WO2025119321A1 - Information transmission method and apparatus, and terminal and network device - Google Patents

Abstract

Provided in the present disclosure are an information transmission method and apparatus, and a terminal and a network device. The method is executed by means of a terminal and comprises: receiving downlink information from a first network, wherein the downlink information comprises at least one of the following: a downlink channel, downlink signaling, downlink data and a downlink signal; and transmitting uplink information to a second network, wherein the uplink information comprises at least one of the following: an uplink channel, uplink signaling, uplink data and an uplink signal, one of the first network and the second network being a terrestrial network and the other being a non-terrestrial network.

Description

Information transmission method, device, terminal and network equipment

CROSS-REFERENCE TO RELATED APPLICATIONS

This disclosure claims priority to the Chinese patent application filed with the China Patent Office on December 8, 2023, with application number 202311682714.0 and application name “Information Transmission Method, Device, Terminal and Network Equipment”, all contents of which are incorporated by reference in this disclosure.

Technical Field

The present disclosure relates to the field of communication technology, and in particular to an information transmission method, device, terminal and network equipment.

Background Art

The current mobile communication network can be divided into terrestrial network (TN) and non-terrestrial network (NTN). The propagation delay of NTN is much greater than that of TN, which seriously limits the application scope of NTN and the enthusiasm of related applications to use NTN, which is not conducive to the effective use of NTN.

Summary of the invention

The embodiments of the present disclosure provide an information transmission method, apparatus, terminal and network equipment to reduce the communication delay when using a non-terrestrial network, increase the enthusiasm of related applications to use the non-terrestrial network, and improve the network utilization rate of the non-terrestrial network.

In order to solve the above technical problems, the present disclosure provides an information transmission method, including:

receiving downlink information from the first network, the downlink information comprising at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal;

Sending uplink information to the second network, the uplink information comprising at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal;

One of the first network and the second network is a terrestrial network, and the other is a non-terrestrial network.

Optionally, the method further comprises at least one of the following:

Receiving first uplink configuration information and first downlink configuration information sent by a first network, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network;

Second uplink configuration information and second downlink configuration information sent by the second network are received, where the second uplink configuration information is used for the second network, and the second downlink configuration information is used for the first network.

Optionally, the first uplink configuration information and/or the second uplink configuration information includes at least one of the following:

indication information of the second network;

Uplink resources of the second network.

Optionally, the uplink resource includes at least one of the following:

Physical uplink shared channel resources;

Physical uplink control channel resources;

Detection of reference signal related resources;

Scheduling request related resources.

Optionally, the first downlink configuration information and/or the second downlink configuration information includes at least one of the following:

Indication information of the first network;

Physical downlink control channel configuration information.

Optionally, the sending uplink information to the second network includes:

Sending a random access preamble to the second network;

The receiving downlink information from the first network includes:

A random access response is received from the first network.

Optionally, the method further includes:

The system information of the first network is acquired from the second network or the system information of the first network is acquired from the first network.

Optionally, the system information of the first network includes: physical downlink control channel configuration information.

Optionally, the method further includes:

Acquire the system information of the second network from the second network; or

The system information of the second network is acquired from the first network.

Optionally, the acquiring the system information of the second network from the second network includes:

continuing to receive system information of the second network from the second network; or

When it is necessary to access the network, system information is obtained from the second network.

Optionally, after acquiring system information from the second network when accessing the network is required, the method further includes:

receiving a system information update notification of the second network from the first network;

The system information of the second network is updated according to the system information update notification.

The embodiment of the present disclosure further provides an information transmission method, which is executed by a first network device and includes:

Sending downlink information to the terminal, the downlink information including at least one of the following: downlink channel, downlink signaling, downlink data, and downlink signal;

The first network device belongs to a first network, and the first network is a terrestrial network or a non-terrestrial network.

Optionally, the method further includes:

Sending first uplink configuration information and/or first downlink configuration information to the terminal, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network;

The second network is a terrestrial network or a non-terrestrial network, and the second network is different from the first network.

Optionally, the first uplink configuration information includes:

indication information of the second network;

Uplink resources of the second network.

Optionally, the uplink resource includes at least one of the following:

Physical uplink shared channel resources;

Physical uplink control channel resources;

Detection of reference signal related resources;

Scheduling request related resources.

Optionally, the method further includes:

Send second downlink configuration information to the second network device, where the second downlink configuration information is used for the first network.

Optionally, the first downlink configuration information and/or the second downlink configuration information includes at least one of the following:

Indication information of the first network;

Physical downlink control channel configuration information.

Optionally, the sending downlink information to the terminal includes:

Send a random access response to the terminal.

Optionally, the method further includes:

Sending system information of the first network to the terminal; or

The system information of the first network is sent to the second network device.

Optionally, the system information of the first network includes: physical downlink control channel configuration information.

Optionally, the method further includes:

Receiving system information of the second network sent by the second network device;

The system information of the second network is sent to the terminal.

Optionally, the method further includes:

Sending a system information update notification of the second network to the terminal.

The embodiment of the present disclosure further provides an information transmission method, which is executed by a second network device, including:

receiving uplink information sent by a terminal, wherein the uplink information includes at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal;

The second network device belongs to a second network, and the second network is a non-terrestrial network or a terrestrial network.

Optionally, the method further includes:

First uplink configuration information is sent to the first network device, where the first uplink configuration information is used for the second network.

Optionally, the method further includes:

Sending second uplink configuration information and/or second downlink configuration information to the terminal, where the second downlink configuration information is used for the first network, and the second uplink configuration information is used for the second network;

The first network is a terrestrial network or a non-terrestrial network, and the first network is different from the second network.

Optionally, the first uplink configuration information and/or the second uplink configuration information includes at least one of the following:

indication information of the second network;

Uplink resources of the second network.

Optionally, the uplink resource includes at least one of the following:

Physical uplink shared channel resources;

Physical uplink control channel resources;

Detection of reference signal related resources;

Scheduling request related resources.

Optionally, the second downlink configuration information includes at least one of the following:

Indication information of the first network;

Physical downlink control channel configuration information.

Optionally, the uplink information sent by the receiving terminal includes:

The random access preamble code sent by the receiving terminal.

Optionally, the method further includes:

Receiving system information of the first network sent by the first network device;

The system information of the first network is sent to the terminal.

Optionally, the system information of the first network includes: physical downlink control channel configuration information.

Optionally, the method further includes:

sending the system information of the second network to the terminal; or

The system information of the second network is sent to the first network device.

The present disclosure also provides a terminal, including a memory, a transceiver, and a processor:

A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:

Receiving downlink information from the first network through a receiver, the downlink information comprising at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal;

Sending uplink information to the second network through the receiver, wherein the uplink information includes at least one of the following: an uplink channel, an uplink signaling, an uplink data, and an uplink signal;

One of the first network and the second network is a terrestrial network, and the other is a non-terrestrial network.

Optionally, the processor is configured to read the computer program in the memory and further perform at least one of the following operations:

Receiving first uplink configuration information and first downlink configuration information sent by a first network, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network;

Second uplink configuration information and second downlink configuration information sent by the second network are received, where the second uplink configuration information is used for the second network, and the second downlink configuration information is used for the first network.

Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

Sending a random access preamble to the second network;

A random access response is received from the first network.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

The system information of the first network is acquired from the second network or the system information of the first network is acquired from the first network.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Acquire the system information of the second network from the second network; or

The system information of the second network is acquired from the first network.

Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

continuing to receive system information of the second network from the second network; or

When it is necessary to access the network, system information is obtained from the second network.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

receiving a system information update notification of the second network from the first network;

The system information of the second network is updated according to the system information update notification.

The embodiment of the present disclosure further provides a network device, which is a first network device, including a memory, a transceiver, and a processor:

A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:

Sending downlink information to the terminal through the receiver, wherein the downlink information includes at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal;

The first network device belongs to a first network, and the first network is a terrestrial network or a non-terrestrial network.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Sending first uplink configuration information and/or first downlink configuration information to the terminal, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network;

The second network is a terrestrial network or a non-terrestrial network, and the second network is different from the first network.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Send second downlink configuration information to the second network device, where the second downlink configuration information is used for the first network.

Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

Send a random access response to the terminal.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Sending system information of the first network to the terminal; or

The system information of the first network is sent to the second network device.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Receiving system information of the second network sent by the second network device;

The system information of the second network is sent to the terminal.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Sending a system information update notification of the second network to the terminal.

The embodiment of the present disclosure further provides a network device, which is a second network device, including a memory, a transceiver, and a processor:

A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations:

Receiving, by a receiver, uplink information sent by a terminal, the uplink information comprising at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal;

The second network device belongs to a second network, and the second network is a non-terrestrial network or a terrestrial network.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

First uplink configuration information is sent to the first network device, where the first uplink configuration information is used for the second network.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Sending second uplink configuration information and/or second downlink configuration information to the terminal, where the second downlink configuration information is used for the first network, and the second uplink configuration information is used for the second network;

The first network is a terrestrial network or a non-terrestrial network, and the first network is different from the second network.

Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

The random access preamble code sent by the receiving terminal.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Receiving system information of the first network sent by the first network device;

The system information of the first network is sent to the terminal.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

sending the system information of the second network to the terminal; or

The system information of the second network is sent to the first network device.

The present disclosure also provides an information transmission device, which is applied to a terminal and includes:

A first receiving unit, configured to receive downlink information from a first network, wherein the downlink information includes at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal;

A first sending unit, configured to send uplink information to the second network, wherein the uplink information includes at least one of the following: an uplink channel, an uplink signaling, an uplink data, and an uplink signal;

One of the first network and the second network is a terrestrial network, and the other is a non-terrestrial network.

The embodiment of the present disclosure further provides an information transmission device, which is applied to a first network device, including:

A second sending unit, configured to send downlink information to the terminal, wherein the downlink information includes at least one of the following: a downlink channel, a downlink signaling, downlink data, and a downlink signal;

The first network device belongs to a first network, and the first network is a terrestrial network or a non-terrestrial network.

The embodiment of the present disclosure further provides an information transmission device, which is applied to a second network device, including:

A second receiving unit, configured to receive uplink information sent by a terminal, wherein the uplink information includes at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal;

The second network device belongs to a second network, and the second network is a non-terrestrial network or a terrestrial network.

An embodiment of the present disclosure further provides a processor-readable storage medium, wherein the processor-readable storage medium stores a computer program, and the computer program is used to enable the processor to execute the above method.

The beneficial effects of the present disclosure are:

The above scheme can reduce the communication delay of using the non-terrestrial network, increase the enthusiasm of related applications to use the non-terrestrial network, and improve the network utilization rate of the non-terrestrial network by separating the uplink information and the downlink information from the non-terrestrial network and the terrestrial network respectively.

BRIEF DESCRIPTION OF THE DRAWINGS

In order to more clearly illustrate the embodiments of the present disclosure or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments recorded in the present disclosure. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

FIG1 is a structural diagram of a network system applicable to an embodiment of the present disclosure;

FIG2 is a schematic diagram showing one of the flow charts of the information transmission method according to an embodiment of the present disclosure;

FIG3 is a schematic diagram showing one of the examples of the communication process according to the embodiment of the present disclosure;

FIG4 shows a second schematic diagram of an example of a communication process according to an embodiment of the present disclosure;

FIG5 is a second flow chart of the information transmission method according to an embodiment of the present disclosure;

FIG6 is a third flow chart of the information transmission method according to an embodiment of the present disclosure;

FIG7 shows one of the unit schematic diagrams of the information transmission device according to an embodiment of the present disclosure;

FIG8 is a block diagram of a terminal according to an embodiment of the present disclosure;

FIG9 shows a second unit schematic diagram of the information transmission device according to an embodiment of the present disclosure;

FIG10 is a block diagram of a network device according to an embodiment of the present disclosure;

FIG. 11 shows a third unit schematic diagram of the information transmission device according to an embodiment of the present disclosure.

DETAILED DESCRIPTION

The following will be combined with the drawings in the embodiments of the present disclosure to clearly and completely describe the technical solutions in the embodiments of the present disclosure. Obviously, the described embodiments are part of the embodiments of the present disclosure, rather than all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present disclosure.

The terms "first", "second", etc. in the specification and claims of the present disclosure are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present disclosure described herein, for example, are implemented in a sequence other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product, or device that includes a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products, or devices.

In the embodiments of the present disclosure, the term "and/or" describes the association relationship of associated objects, indicating that three relationships may exist. For example, A and/or B may represent three situations: A exists alone, A and B exist at the same time, and B exists alone. The character "/" generally indicates that the associated objects before and after are in an "or" relationship. In the embodiments of the present disclosure, the term "plurality" refers to two or more than two, and other quantifiers are similar.

In the embodiments of the present disclosure, words such as "exemplary" or "for example" are used to indicate examples, illustrations, or descriptions. Any embodiment or design described as "exemplary" or "for example" in the embodiments of the present disclosure should not be interpreted as being more preferred or more advantageous than other embodiments or designs. Specifically, the use of words such as "exemplary" or "for example" is intended to present related concepts in a specific way.

The relevant concepts mentioned in this disclosure are briefly described below.

1. Satellite communication system

In satellite communications, there are two operating modes:

One is the transparent forwarding mode, where the satellite only transparently forwards the signal without any processing, and the terminal and the gateway communicate. That is, the satellite only performs frequency conversion, wireless signal amplification and other operations on the uplink/downlink signals, and its function is similar to that of a RF relay.

In satellite communications, the connection between the end user and the satellite is called the user link, and the connection between the satellite and the gateway is the feeder link.

One is the regenerative communication mode, in which the satellite can detect the information of the received signal and process and forward it, completing the function of the base station and connecting the terminal and the gateway. That is, the satellite can perform frequency conversion, wireless signal amplification, encoding/modulation, demodulation/decoding and other functions on the uplink/downlink signal. In other words, the satellite can have all or part of the functions of the next generation base station (the next Generation Node B, gNB) and can regenerate the signal.

Earth-Fixed cell: refers to a situation where the ground coverage area of a satellite's service cell does not change with the movement of the satellite within a certain period of time. In other words, it adopts a staring mode. The satellite is moving, but within a certain period of time, the satellite is similar to staring at a certain area on the ground. For example, when the satellite moves from time T1 to time T2, the satellite's ground coverage area is always area A. Quasi-Earth Fixed cell refers to a quasi-Earth Fixed cell, which means that the satellite stares at the ground for a relatively short time, that is, the time between T1 and T2 is short. In this scenario, as the satellite moves, the angle between the satellite antenna and the ground changes, thereby ensuring that the area covered by the satellite antenna remains unchanged.

Earth-moving cell: refers to the ground coverage area of the satellite's service cell that changes as the satellite moves. The satellite's coverage area is A at time T1 and B at time T2. In this scenario, as the satellite moves, the angle between the satellite antenna and the ground remains almost unchanged.

Whether it is the above transparent forwarding mode or the regeneration mode, whether it is quasi-Earth-Fixed cell or Earth-moving cell, in the non-terrestrial network (NTN), signals and data need to be transmitted through at least one bend pipe, UE-satellite-UE, and some may need to be transmitted through a bend pipe, such as UE-satellite-ground station-satellite-UE. The delay of the above bend pipe transmission can range from more than ten ms to tens of milliseconds, or even up to hundreds of milliseconds, depending on the altitude of the satellite orbit. It is much longer than the propagation delay of the terrestrial network (TN). The longer propagation delay of NTN will seriously limit the applications that can be used in NTN, because it may not meet the end-to-end propagation delay requirements.

Therefore, how to solve the propagation delay caused by using NTN is the current key issue.

The following is an introduction to the embodiments of the present disclosure in conjunction with the accompanying drawings. The information transmission method, device, terminal and network device provided in the embodiments of the present disclosure can be applied to a wireless communication system. The wireless communication system can be a system using the fifth generation (5th Generation, 5G) mobile communication technology (hereinafter referred to as a 5G system). Those skilled in the art can understand that the 5G NR system is only an example and is not a limitation.

Referring to FIG. 1 , FIG. 1 is a structural diagram of a network system applicable to the embodiment of the present disclosure. As shown in FIG. 1 , the network system includes a user terminal 11 and a base station 12, wherein the user terminal 11 may be a user equipment (UE), for example, a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer), a personal digital assistant (PDA), a mobile Internet device (Mobile Internet Device, MID) or a wearable device (Wearable Device) and other terminal side devices. It should be noted that the specific type of the user terminal 11 is not limited in the embodiment of the present disclosure. The base station 12 may be a base station of 5G and later versions (for example, gNB, 5G NR NB), or a base station in other communication systems, or referred to as a node B. It should be noted that in the embodiment of the present disclosure, only a 5G base station is taken as an example, but the specific type of the base station 12 is not limited.

The embodiments of the present disclosure provide an information transmission method, apparatus, terminal and network equipment to reduce the communication delay when using a non-terrestrial network, increase the enthusiasm of related applications to use the non-terrestrial network, and improve the network utilization rate of the non-terrestrial network.

It should be noted that the above-mentioned non-terrestrial network may include a satellite network, such as a high-orbit satellite network, a medium-orbit satellite network, or a low-orbit satellite network, etc.; it may also include a near-space network, such as a communication network composed of an airship, a drone, a hot air balloon, etc. carrying a communication module. The present disclosure does not limit the type of non-terrestrial network.

Among them, the method and the device are based on the same application concept. Since the method and the device solve the problem in a similar principle, the implementation of the device and the method can refer to each other, and the repeated parts will not be repeated.

As shown in FIG. 2 , an embodiment of the present disclosure provides an information transmission method, which is executed by a terminal and includes:

Step S201: receiving downlink information from a first network, where the downlink information includes at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal.

It should be noted that the downlink channel may include but is not limited to at least one of the following: physical downlink control channel (Physical downlink control channel, PDCCH), physical downlink shared channel (Physical downlink shared channel, PDSCH).

Step S202: Send uplink information to the second network, where the uplink information includes at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal.

It should be noted that the uplink channel may include but is not limited to at least one of the following: physical uplink control channel (Physical uplink control channel, PUCCH) and physical uplink shared channel (Physical uplink shared channel, PUSCH).

One of the first network and the second network is a terrestrial network (TN), and the other is a non-terrestrial network (NTN).

It should be noted that by transmitting uplink information and downlink information separately from NTN and TN respectively, the communication delay of using NTN can be reduced, the enthusiasm of related applications to use NTN can be increased, and the network utilization rate of NTN can be improved.

It should be noted that there is no obvious sequence relationship between step 201 and step 202. The limitation of the above two steps is only to indicate that the uplink information and the downlink information are transmitted separately and independently. That is to say, the embodiment of the present disclosure is limited to the independent transmission of the uplink information and the downlink information.

It should be noted here that the first network includes a first network device, and the second network includes a second network device; for example, when the first network is NTN and the second network is TN, the first network device can be an NTN network base station, for example, including a satellite, that is, a satellite that can realize the function of a base station, which can also be called a satellite base station, or, in the NTN transparent transmission mode, the satellite only transparently transmits the signaling or data between the terminal and the ground base station supporting satellite communication, then, the first network device is a base station deployed on the ground supporting satellite communication (through the satellite, necessary forwarding is done between the terminal and the ground base station supporting the satellite), and the second network device is a TN network base station; for example, when the first network is TN and the second network is NTN, the first network device can be a TN network base station, and the second network device is an NTN network base station, for example, including a satellite base station, or in the transparent transmission mode, the second network device can be a base station deployed on the ground supporting satellite communication (through the satellite, necessary forwarding is done between the terminal and the ground base station supporting the satellite).

Optionally, the reception from the first network mentioned in the embodiment of the present disclosure can be understood as receiving from a first network device corresponding to the first network, and the brief expression is: receiving from the first network device; the sending to the second network mentioned in the embodiment of the present disclosure can be understood as sending to the second network device corresponding to the second network, and the brief expression is: sending to the second network device.

It should be noted that, for NTN, its corresponding ground base station may or may not be co-located with the ground base station of TN.

It should be noted that the embodiments of the present disclosure mainly provide two uplink and downlink implementation schemes, namely, completing access in the network (the first network or the second network) where the terminal resides, and then configuring uplink and downlink separation; and, in the random access phase, starting to use the uplink and downlink separation method to transmit information. The two implementation schemes are described in detail below.

Implementation plan 1: Complete access to the network where the terminal resides (the first network or the second network), and then configure uplink and downlink separation

Optionally, in this case, the method further comprises at least one of the following:

A11. Receive first uplink configuration information and first downlink configuration information sent by the first network, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network;

It should be noted that this situation can be understood as the terminal residing in the first network and receiving relevant configurations of the first network and the second network from the first network.

It should be noted here that the first uplink configuration information and the first downlink configuration information may be sent to the terminal by the first network through different messages, or may be sent to the terminal by the first network simultaneously or separately through the same message. For example, the first network sends the first downlink configuration information and/or the first uplink configuration information to the terminal through a Radio Resource Control (RRC) reconfiguration message.

Optionally, in an implementation manner, the first uplink configuration information includes at least one of the following:

A111, indication information of the second network;

It should be noted that the indication information is mainly used to indicate the cell under the second network.

A112, uplink resources of the second network;

Optionally, the uplink resource includes at least one of the following:

A1121, PUSCH resources;

A1122, PUCCH resources;

A1123, Sounding Reference Signal (SRS) related resources;

A1124, Scheduling Request (SR) related resources.

Optionally, in an implementation manner, the first downlink configuration information includes at least one of the following:

A113, indication information of the first network;

It should be noted that the indication information is mainly used to indicate the cell under the first network.

A114, PDCCH configuration information.

A12. Receive second uplink configuration information and second downlink configuration information sent by the second network, where the second uplink configuration information is used for the second network, and the second downlink configuration information is used for the first network;

It should be noted that this situation can be understood as the terminal residing in the second network, and receiving relevant configurations of the first network and the second network from the second network.

It should be noted here that the second uplink configuration information and the second downlink configuration information may be sent to the terminal respectively by the second network through different messages, or may be sent to the terminal simultaneously by the first network through the same message.

For example, the second network sends second downlink configuration information to the terminal through an RRC reconfiguration message. Optionally, the second network may also update the second downlink configuration information of the first network according to changes in the cell of the first network (including changes in the cell of the first network and changes in the downlink configuration of the cell of the first network for uplink and downlink separation when the cell of the first network remains unchanged).

Optionally, in an implementation manner, the second uplink configuration information includes at least one of the following:

A121, indication information of the second network;

It should be noted that the indication information is mainly used to indicate the cell under the second network.

A122, uplink resources of the second network;

Optionally, the uplink resource includes at least one of the following:

A1221, PUSCH resources;

A1222, PUCCH resources;

A1223, SRS related resources;

A1224, SR related resources.

Optionally, in an implementation manner, the second downlink configuration information includes at least one of the following:

A123, indication information of the first network;

It should be noted that the indication information is mainly used to indicate the cell under the first network.

A124, PDCCH configuration information.

For example, the first network is NTN and the second network is TN. The above implementation is illustrated as follows:

Case 1: The terminal is connected from TN, NTN is configured, and uplink and downlink separation configuration is completed

As shown in Figure 3, the main process includes the following:

Step 31: The terminal resides in the TN and completes RRC connection establishment in the TN;

Step 32, TN configures NTN for the terminal;

Step 33: NTN performs downlink scheduling, uplink authorization and/or downlink transmission;

Step 34: The terminal performs uplink transmission or transmits a Hybrid Automatic Repeat reQuest (HARQ) result for downlink transmission;

Step 35: The base station of TN sends the HARQ result for downlink transmission to the base station of NTN.

Case 2: The terminal is connected from NTN, TN is configured, and uplink and downlink separation configuration is completed

As shown in Figure 4, the main process includes the following:

Step 41: The terminal resides in the NTN and completes RRC connection establishment in the NTN;

Step 42, NTN configures TN for the terminal;

Step 43: NTN performs downlink scheduling, uplink authorization and/or downlink transmission;

Step 44: The terminal performs uplink transmission or transmits a HARQ result for downlink transmission;

Step 45: The base station of TN sends the HARQ result for downlink transmission to the base station of NTN.

It should be noted that if the base station gNB1 of the NTN network and the base station gNB2 of the TN network are co-located, the inter-station interaction can be avoided, that is, the HARQ result does not need to be interacted between the stations. For example, in the above case 1, TN configures NTN for the terminal, or in case 2, NTN configures TN for the terminal. It is necessary to exchange each other's configuration between the TN network and the NTN network. If the base stations of the TN network and the NTN network are co-located (deployed together or integrated together), then the inter-station interaction can be avoided. This situation exists, for example, when the base stations of the TN network are upgraded to support the NTN network.

Implementation plan 2: In the random access phase, start using uplink and downlink separation to transmit information

Optionally, in this case, the sending uplink information to the second network includes:

Sending a random access preamble to the second network;

The receiving downlink information from the first network includes:

A Random Access Response (RAR) is received from the first network.

It should be noted that this situation refers to the terminal starting to perform uplink and downlink separation in the random access phase, that is, the uplink information in the random access process is sent to the second network, and the downlink information in the random access process is received from the first network.

It should be noted that the operations performed by the terminal are slightly different depending on the network where the terminal resides. The specific implementations in different residency situations are described in detail below.

1. The terminal resides in the second network

In this case, the method further includes:

The system information of the first network is acquired from the second network or the system information of the first network is acquired from the first network.

That is to say, when the terminal resides in the second network, the terminal can directly obtain the system information of the second network from the second network, and the system information of the first network can be obtained by the terminal from the first network or from the second network. In the case of obtaining the system information of the first network from the second network, the first network needs to send the system information to the second network, that is, the first network device corresponding to the first network needs to send the system information to the second network device corresponding to the second network.

Optionally, the system information of the first network includes: PDCCH configuration information. Optionally, the PDCCH configuration information includes PDCCH configuration information of the RAR of the first network.

It should be noted that the random access process in this case is mainly as follows:

The terminal obtains RACH configuration by monitoring the system information of the second network, and sends a preamble on the second network;

The terminal obtains the PDCCH configuration information required for the RACH process from the obtained system information of the first network, receives the RAR through the PDCCH configuration information, and thus completes the RRC connection establishment through the random access process.

For example, the terminal obtains the physical random access channel (PRACH) configuration from the second network, sends a preamble, and then the terminal needs to know the PDCCH configuration information of the RAR of the first network. Usually, the PDCCH configuration information is indicated by the system information, for example, the PDCCH configuration information is indicated by the random access search space (ra-SearchSpace) in the PDCCH configuration (PDCCH-ConfigCommon) in the common configuration (Bandwidth Part, BWP) configuration (BWP-DownlinkCommon) in the SIB serving cell common configuration (ServingCellConfigCommonSIB) in the system information block 1 (System Information Block, SIB1). Other PDCCH configuration information except the PDCCH configuration information of the RAR of the first network can be sent through dedicated signaling.

Optionally, in this case, the manner in which the terminal continuously obtains the system information of the first network may include one of the following:

B11. The second network sends the system information of the first network, such as defining a separate SIB (such as SIBx). The change of SIBx will not trigger the system information change indication, because the second network does not change, and the cells of the first network on it are always changing. Therefore, SIBx changes with the changes of the first network. The terminal reads SIBx when needed (for example, when random access needs to be initiated). SIBx can contain the configuration information of the cell of the first network, such as frequency, synchronization signal block (Synchronization Signal and PBCH block, SSB) information, etc.

B12. If the terminal is always in downlink synchronization with the cell of the first network, that is, it can always obtain the master information block (MIB), then the terminal can read the SIB1 of the first network when needed.

2. The terminal resides in the first network

In this case, the method further includes one of the following:

C11. Acquire system information of the second network from the second network;

That is, when the terminal resides in the first network, the system information of the second network can be directly acquired from the second network.

Optionally, in an implementation manner, the acquiring the system information of the second network from the second network specifically includes the following:

C111. Continue to receive system information of the second network from the second network;

It should be noted that, in this case, when the terminal resides in the first network, it can continuously receive the system information of the first network and update the system information as needed.

C112. when it is necessary to access the network, obtain system information from the second network;

It should be noted that the need to access the network means that the terminal needs to access the network, and the terminal can determine whether it needs to access the network by itself. For example, the terminal determines that it needs to access the network after making a call or monitoring a paging message.

It should be noted that, in this case, the terminal does not continuously receive the system information of the second network, but reads the system information of the second network when needed. Since the system information retained by the terminal is not up to date in real time, the embodiment of the present disclosure provides a system information update method. Optionally, the method further includes:

receiving a system information update notification of the second network from the first network;

The system information of the second network is updated according to the system information update notification.

That is, the terminal sends a system information update notification of the second network through the first network: for example, a system information SIBy is defined, and the SIBy transmits the system information update notification of the second network under the cell of the first network, for example, a cell list of the second network is defined, and the cell list contains information of one or more cells of the second network. The information of the cell of the second network is mainly the system information change indication information of the corresponding cell of the second network, indicating whether the system information has changed, which system information has changed (needs to be updated), etc. Optionally, if the number of cells of the first network in the first network is too large, the area can be divided, for example, area 1 contains cell 1, cell 2, ..., cell m, if the system information of any cell of the second network in area 1 is changed, it indicates that the system information of the cell of the second network in area 1 has changed, and the terminals in area 1 re-acquire the system information of the cell of the second network where they are located.

It should be noted that, in this case, the first acquisition method of the system information of the second network is not limited in the embodiment of the present disclosure. For example, when the terminal resides in the first network, the system information of a cell of the second network can be obtained simultaneously based on the terminal implementation.

It should be noted that the random access process in this case is mainly as follows:

If the terminal needs to access the network, it determines the random access resource according to the system information of the cell of the second network, and initiates random access in the second network, that is, sends a preamble to the second network. The second network receives the preamble sent by the terminal, and sends RAR through the cell of the first network (if it is L1/L2 mobility enhancement, it can be L1/L2 triggering mobility (LTM) command). The timing advance (TA) carried in the RAR is the TA of the cell of the second network. RAR is generated by the second network, sent to the first network, and forwarded to the terminal through the first network. The terminal receives the RAR from the first network, completes the uplink synchronization according to the downlink synchronization of the cell of the second network maintained by itself and the TA in the RAR, and sends Message 3 (Message 3, Msg3). The terminal continuously receives the scheduling of the cell of the second network from the first network, and sends uplink in the cell of the second network. While the terminal resides in the cell of the first network, the cell of the second network that it needs to monitor may change due to the movement of the terminal. Cell reselection will not be triggered here because the cell where the terminal resides is the cell of the first network. However, the system information of the new cell of the second network can be obtained (for example, based on the terminal implementation), and then the maintenance of the system information of the new cell of the first network is completed based on the above process. If the system information of the cell of the first network or the cell of the second network monitored by the terminal changes, the terminal needs to ensure that valid system information of the first network is obtained before initiating random access to the network through the second network (for example, based on the terminal implementation). For example, the terminal can switch to the cell of the second network to receive the system information of the cell of the second network when it does not need to monitor downlink signaling/downlink signals in the first network.

C12. Acquire system information of the second network from the first network;

This situation means that the first network first obtains the system information of the second network, and then sends the system information of the second network to the terminal. That is to say, the second network needs to send the system information to the first network first, and the first network then sends the system information of the second network to the terminal. That is, the second network device corresponding to the second network needs to send the system information to the first network device corresponding to the first network first, and the first network device corresponding to the first network then sends the system information of the second network to the terminal.

It should be noted that there is interaction between base stations during the implementation of Solution 2, so the timing relationship needs to change. For example, after the preamble is sent, the second network needs to send the RAR to the first network before the first network can send the RAR. Therefore, the start time of the RA window may need to be delayed. The first network delays the round-trip time (RTT) of the first network, but it may not be necessary to delay that long here, only half the RTT of the second network and half the RTT of the first network. It should also be noted that the start of the HARQ-related timer also needs to be adjusted accordingly.

Optionally, if the NTN network base station gNB1 and the TN network base station gNB2 are co-located, inter-station interaction can be avoided, that is, the system information of the first network or the second network does not need to be interacted between stations.

Optionally, how the first network obtains the resources of the cell of the second network, the cell of the second network can reserve resources for scheduling by the first network, such as a carrier, one or more BWPs in a carrier, etc. The first network schedules these reserved resources as needed. It should be noted that the above situation requires base station interaction. Similarly, if the terminal accesses the first network through the second network and configures the resources of the first network through the second network, the cell of the second network also needs to configure the resources of the cell of the first network to the terminal, and the cell of the first network can also reserve resources, such as a carrier, one or more BWPs in a carrier, etc. Of course, it can also be some time-divided resources, such as defining a time period, and the resources within the time period are used for downlink transmission of the second network or uplink transmission of the first network.

For example, the first network is NTN and the second network is TN. The above implementation is illustrated as follows:

Case 1: The terminal resides in the TN (the terminal can directly perform downlink synchronization and system information reception of the TN), and initiates network access from the TN: The terminal needs to obtain the relevant configuration of the NTN from the TN in which it resides, so that the terminal can monitor the PDCCH from the NTN

Optionally, the terminal obtains the PRACH configuration from the TN and sends a preamble. Then the terminal needs to know the PDCCH configuration information of the RAR of the NTN. Usually, the PDCCH configuration information is indicated in SIB1->ServingCellConfigCommonSIB->DownlinkConfigCommon->BWP-DownlinkCommon->PDCCH-ConfigCommon->ra-Search Space. Therefore, the terminal only needs to obtain the SIB1 of the NTN cell. Subsequent other PDCCH configuration information is implemented through proprietary signaling.

The specific process is: the terminal obtains RACH configuration by monitoring TN system information and sends preamble on TN; the terminal obtains PDCCH (on NTN) configuration required for RACH process by obtaining SIB1 of NTN and receives RAR, and then completes RRC connection establishment through random access process.

Optionally, the terminal resides in the TN and can continuously obtain the SIB1 of the NTN in one of the following ways:

Mode 1: TN can send SIB1 covering NTN cells covered by TN;

For example, a separate SIBx is defined. The change of SIBx will not trigger the system information change indication, because the TN does not change, but the NTN cell on it keeps changing. Therefore, SIBx changes with the change of NTN. When the terminal needs (for example, when it needs to initiate random access), it reads SIBx. SIBx can contain the configuration information of the NTN cell, such as frequency, SSB information, etc.

Method 2: If the terminal is always in downlink synchronization with the NTN cell, that is, the terminal can always obtain the MIB of NTN, then the SIB1 of NTN can be read when needed.

Case 2: The terminal resides in the NTN (the terminal can directly perform downlink synchronization and system information reception of the NTN), and initiates network access from the TN

Specifically, the terminal obtains the system information of the TN, and a specific method of obtaining uplink and downlink synchronization of the TN includes the following:

1. The terminal can receive TN system information from NTN

It should be noted here that since there are too many TN cells under the NTN cell, if the system information of the TN cells is broadcasted through the NTN, there will be a problem of too much system overhead.

2. The terminal obtains TN system information from TN

Specifically, it includes one of the following methods:

Method 1: While staying in the NTN cell, continuously receive the system information of the TN cell and update the system information as needed.

Method 2: When you need to access the network (for example, after making a call or monitoring a paging message), receive the TN network configuration

It should be noted that in this case, the terminal needs to obtain and maintain the system information of the TN. The first acquisition method of the TN system information is not limited in this disclosure. For example, when the terminal resides in the NTN, the system information of a TN cell can be obtained at the same time (for example, based on the terminal implementation). Specifically, the system information maintenance method is as follows:

The system information update notification of the TN is sent through the NTN, and the terminal updates the system information of the TN based on the system information update notification.

For example, a system information SIBy is defined, and the SIBy transmits the system information update notification of the TN under the NTN cell, such as defining a TN cell list, and the TN cell list contains the information of one or more TN cells. The information of the TN cell is mainly the system information change indication information of the corresponding TN cell, indicating whether the system information has changed, which system information has changed (needs to be updated), etc. Optionally, if there are too many TN cells in the NTN, the area can be divided, for example, area1 contains TN1, TN2, ..., TNm, if the system information of any TN cell in area 1 is changed, it indicates that the TN system information in area 1 has changed, and the terminals in area 1 re-acquire the system information of the TN cell where they are located.

The specific random access process is mainly as follows:

If the terminal needs to access the network, it determines the random access resources based on the system information of the TN cell and initiates random access in the TN cell. The TN cell receives the preamble sent by the terminal and sends a RAR through the NTN cell (if it is L1/L2 mobility enhancement, it can be an LTM command). The TA carried in the RAR is the TA of the TN cell. It should be noted that the RAR is generated by the TN, sent to the NTN, and forwarded to the terminal through the NTN. The terminal receives the RAR from the NTN cell, completes the uplink synchronization based on the downlink synchronization of the TN cell maintained by itself and the TA in the RAR, and sends Msg3. The terminal continues to receive the scheduling of the TN cell from the NTN and sends uplink in the TN cell.

Optionally, the security anchor point, i.e., whether the encryption of data or signaling is performed at the NTN base station or the TN base station. For example, security operations can be completed at the TN network node, and security data packets (such as Packet Data Convergence Protocol (PDCP)) can be sent to the NTN base station, and then sent to the terminal through the NTN base station.

It should be noted that at least one embodiment of the present disclosure separates the uplink and downlink of a service, which greatly reduces the propagation delay and improves the participation rate of NTN in supporting services; through this mechanism, the enthusiasm of UE to use NTN can be increased and the utilization rate of the NTN system can be improved.

The technical solution provided by the embodiments of the present disclosure can be applicable to a variety of systems, especially 5G systems. For example, the applicable systems can be global system of mobile communication (GSM) system, code division multiple access (CDMA) system, wideband code division multiple access (WCDMA) general packet radio service (GPRS) system, long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD) system, long term evolution advanced (LTE-A) system, universal mobile telecommunication system (UMTS), worldwide interoperability for microwave access (WiMAX) system, 5G new radio (NR) system, etc. These systems include terminals (also called terminal devices) and network devices. The system can also include core network parts, such as Evolved Packet System (EPS) and 5G System (5G System, 5GS).

The terminal involved in the embodiments of the present disclosure may also be referred to as a terminal device, which may be a device that provides voice and/or data connectivity to a user, a handheld device with a wireless connection function, or other processing devices connected to a wireless modem, etc. In different systems, the name of the terminal device may also be different. For example, in a 5G system, the terminal device may be referred to as a user equipment (UE). A wireless terminal device may communicate with one or more core networks (CN) via a radio access network (RAN). A wireless terminal device may be a mobile terminal device, such as a mobile phone (or "cellular" phone) and a computer with a mobile terminal device, for example, a portable, pocket-sized, handheld, computer-built-in or vehicle-mounted mobile device, which exchanges language and/or data with a radio access network. For example, Personal Communication Service (PCS) phones, cordless phones, Session Initiated Protocol (SIP) phones, Wireless Local Loop (WLL) stations, Personal Digital Assistant (PDA) and other devices. Wireless terminal devices may also be referred to as systems, subscriber units, subscriber stations, mobile stations, mobile stations, remote stations, access points, remote terminal devices, access terminal devices, user terminal devices, user agents, and user devices, which are not limited in the embodiments of the present disclosure.

The network device involved in the embodiments of the present disclosure may be a base station, which may include multiple cells providing services to the terminal. Depending on the specific application scenario, the base station may also be called an access point, or may be a device in the access network that communicates with the wireless terminal device through one or more sectors on the air interface, or other names. The network device can be used to interchange received air frames with Internet Protocol (IP) packets, acting as a router between the wireless terminal device and the rest of the access network, where the rest of the access network may include an IP communication network. The network device can also coordinate the attribute management of the air interface. For example, the network device involved in the embodiments of the present disclosure may be a network device (Base Transceiver Station, BTS) in the Global System for Mobile communications (GSM) or Code Division Multiple Access (CDMA), or a network device (NodeB) in Wide-band Code Division Multiple Access (WCDMA), or an evolved network device (evolutional Node B, eNB or e-NodeB) in the Long Term Evolution (LTE) system, a 5G base station (gNB) in the 5G network architecture (next generation system), or a Home evolved Node B (HeNB), a relay node, a home base station (femto), a pico base station (pico), etc., but is not limited in the embodiments of the present disclosure. In some network structures, network devices may include centralized unit (CU) nodes and distributed unit (DU) nodes, and the centralized unit and the distributed unit may also be geographically separated.

Network devices and terminal devices can each use one or more antennas for multiple input multiple output (MIMO) transmission. MIMO transmission can be single user MIMO (SU-MIMO) or multi-user MIMO (MU-MIMO). Depending on the form and number of antenna combinations, MIMO transmission can be two-dimensional MIMO (2D-MIMO), three-dimensional MIMO (3D-MIMO), full-dimensional MIMO (FD-MIMO) or massive MIMO, or it can be diversity transmission, precoded transmission or beamforming transmission, etc.

As shown in FIG5 , an embodiment of the present disclosure provides an information transmission method, which is executed by a first network device and includes:

Step S501, sending downlink information to the terminal, wherein the downlink information includes at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal;

The first network device belongs to a first network, and the first network is a terrestrial network or a non-terrestrial network.

Optionally, the method further includes:

Sending first uplink configuration information and/or first downlink configuration information to the terminal, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network;

The second network is a terrestrial network or a non-terrestrial network, and the second network is different from the first network.

Optionally, the first uplink configuration information includes:

indication information of the second network;

Uplink resources of the second network.

Optionally, the uplink resource includes at least one of the following:

Physical uplink shared channel resources;

Physical uplink control channel resources;

Detection of reference signal related resources;

Scheduling request related resources.

Optionally, the method further includes:

Send second downlink configuration information to the second network device, where the second downlink configuration information is used for the first network.

Optionally, the first downlink configuration information and/or the second downlink configuration information includes at least one of the following:

Indication information of the first network;

Physical downlink control channel configuration information.

Optionally, the sending downlink information to the terminal includes:

Send a random access response to the terminal.

Optionally, the method further comprises:

Sending system information of the first network to the terminal; or

The system information of the first network is sent to the second network device.

Optionally, the system information of the first network includes: physical downlink control channel configuration information.

Optionally, the method further includes:

Receiving system information of the second network sent by the second network device;

The system information of the second network is sent to the terminal.

Optionally, the method further includes:

Sending a system information update notification of the second network to the terminal.

It should be noted that all implementation methods in the above embodiments are applicable to the embodiments of the information transmission method applied to the first network device side, and can achieve the same technical effect, which will not be repeated here.

As shown in FIG6 , an embodiment of the present disclosure provides an information transmission method, which is executed by a second network device and includes:

Step S601, receiving uplink information sent by a terminal, wherein the uplink information includes at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal;

The second network device belongs to a second network, and the second network is a non-terrestrial network or a terrestrial network.

Optionally, the method further includes:

First uplink configuration information is sent to the first network device, where the first uplink configuration information is used for the second network.

Optionally, the method further includes:

Sending second uplink configuration information and/or second downlink configuration information to the terminal, where the second downlink configuration information is used for the first network, and the second uplink configuration information is used for the second network;

The first network is a terrestrial network or a non-terrestrial network, and the first network is different from the second network.

Optionally, the first uplink configuration information and/or the second uplink configuration information includes at least one of the following:

indication information of the second network;

Uplink resources of the second network.

Optionally, the uplink resource includes at least one of the following:

Physical uplink shared channel resources;

Physical uplink control channel resources;

Detection of reference signal related resources;

Scheduling request related resources.

Optionally, the second downlink configuration information includes at least one of the following:

Indication information of the first network;

Physical downlink control channel configuration information.

Optionally, the uplink information sent by the receiving terminal includes:

The random access preamble code sent by the receiving terminal.

Optionally, the method further includes:

Receiving system information of the first network sent by the first network device;

The system information of the first network is sent to the terminal.

Optionally, the system information of the first network includes: physical downlink control channel configuration information.

Optionally, the method further includes:

sending the system information of the second network to the terminal; or

The system information of the second network is sent to the first network device.

It should be noted that all implementation methods in the above embodiments are applicable to the embodiments of the information transmission method applied to the second network device side, and can achieve the same technical effect, which will not be repeated here.

As shown in FIG. 7 , an embodiment of the present disclosure provides an information transmission device 700, which is applied to a terminal and includes:

The first receiving unit 701 is configured to receive downlink information from the first network, where the downlink information includes at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal;

The first sending unit 702 is configured to send uplink information to the second network, where the uplink information includes at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal;

One of the first network and the second network is a terrestrial network, and the other is a non-terrestrial network.

Optionally, the device further comprises at least one of the following:

A third receiving unit, configured to receive first uplink configuration information and first downlink configuration information sent by the first network, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network;

The fourth receiving unit is used to receive second uplink configuration information and second downlink configuration information sent by the second network, where the second uplink configuration information is used for the second network and the second downlink configuration information is used for the first network.

Optionally, the first uplink configuration information and/or the second uplink configuration information includes at least one of the following:

indication information of the second network;

Uplink resources of the second network.

Optionally, the uplink resource includes at least one of the following:

Physical uplink shared channel resources;

Physical uplink control channel resources;

Detection of reference signal related resources;

Scheduling request related resources.

Optionally, the first downlink configuration information and/or the second downlink configuration information includes at least one of the following:

Indication information of the first network;

Physical downlink control channel configuration information.

Optionally, the first sending unit 702 is configured to:

Sending a random access preamble to the second network;

The first receiving unit 701 is configured to:

A random access response is received from the first network.

Optionally, the device further comprises:

The first acquiring unit is configured to acquire the system information of the first network from the second network or acquire the system information of the first network from the first network.

Optionally, the system information of the first network includes: physical downlink control channel configuration information.

Optionally, the device further comprises:

A second acquiring unit is configured to acquire the system information of the second network from the second network; or

The third acquiring unit is configured to acquire the system information of the second network from the first network.

Optionally, the second acquiring unit is used to:

continuing to receive system information of the second network from the second network; or

When it is necessary to access the network, system information is obtained from the second network.

Optionally, after acquiring system information from the second network when accessing the network is required, the device further includes:

A fifth receiving unit, configured to receive a system information update notification of the second network from the first network;

An updating unit is used to update the system information of the second network according to the system information update notification.

It should be noted that the device embodiment is a device that corresponds one-to-one to the above-mentioned method embodiment. All implementation methods in the above-mentioned method embodiment are applicable to the device embodiment and can achieve the same technical effect.

It should be noted that the division of units in the embodiments of the present disclosure is schematic and is only a logical function division. There may be other division methods in actual implementation. In addition, each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of the present disclosure is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present disclosure. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk and other media that can store program code.

As shown in FIG8 , an embodiment of the present disclosure further provides a terminal, including a processor 800, a transceiver 810, a memory 820, and a program stored in the memory 820 and executable on the processor 800; wherein the transceiver 810 is connected to the processor 800 and the memory 820 through a bus interface, wherein the processor 800 is used to read the program in the memory and execute the following process:

Receiving downlink information from the first network through a receiver, the downlink information comprising at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal;

Sending uplink information to the second network through the receiver, wherein the uplink information includes at least one of the following: an uplink channel, an uplink signaling, an uplink data, and an uplink signal;

One of the first network and the second network is a terrestrial network, and the other is a non-terrestrial network.

The transceiver 810 is configured to receive and send data under the control of the processor 800 .

Among them, in Figure 8, the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 800 and various circuits of memory represented by memory 820 are linked together. The bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits together, which are all well known in the art, and therefore, are not further described herein. The bus interface provides an interface. The transceiver 810 can be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, and these transmission media include transmission media such as wireless channels, wired channels, and optical cables. For different user devices, the user interface 830 can also be an interface that can be connected to external and internal devices, and the connected devices include but are not limited to keypads, displays, speakers, microphones, joysticks, etc.

The processor 800 is responsible for managing the bus architecture and general processing, and the memory 820 can store data used by the processor 800 when performing operations.

Optionally, the processor 800 can be a central processing unit (CPU), an application specific integrated circuit (ASIC), a field programmable gate array (FPGA) or a complex programmable logic device (CPLD), and the processor can also adopt a multi-core architecture.

The processor calls the computer program stored in the memory to execute any of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions. The processor and the memory can also be arranged physically separately.

Optionally, the processor is configured to read the computer program in the memory and further perform at least one of the following operations:

Receiving first uplink configuration information and first downlink configuration information sent by a first network, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network;

Second uplink configuration information and second downlink configuration information sent by the second network are received, where the second uplink configuration information is used for the second network, and the second downlink configuration information is used for the first network.

Optionally, the first uplink configuration information and/or the second uplink configuration information includes at least one of the following:

indication information of the second network;

Uplink resources of the second network.

Optionally, the uplink resource includes at least one of the following:

Physical uplink shared channel resources;

Physical uplink control channel resources;

Detection of reference signal related resources;

Scheduling request related resources.

Optionally, the first downlink configuration information and/or the second downlink configuration information includes at least one of the following:

Indication information of the first network;

Physical downlink control channel configuration information.

Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

Sending a random access preamble to the second network;

A random access response is received from the first network.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

The system information of the first network is acquired from the second network or the system information of the first network is acquired from the first network.

Optionally, the system information of the first network includes: physical downlink control channel configuration information.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Acquire the system information of the second network from the second network; or

The system information of the second network is acquired from the first network.

Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

continuing to receive system information of the second network from the second network; or

When it is necessary to access the network, system information is obtained from the second network.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

receiving a system information update notification of the second network from the first network;

The system information of the second network is updated according to the system information update notification.

It should be noted here that the above-mentioned terminal provided in the embodiment of the present disclosure can implement all the method steps implemented in the above-mentioned method embodiment and can achieve the same technical effect. The parts and beneficial effects that are the same as those in the method embodiment will not be described in detail here.

The disclosed embodiment also provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the information transmission method applied to a terminal. The processor-readable storage medium may be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (e.g., floppy disk, hard disk, magnetic tape, magneto-optical disc (MO), etc.), optical storage (e.g., compact disc (CD), digital video disc (DVD), Blu-ray disc (BD), high-definition versatile disc (HVD), etc.), and semiconductor storage (e.g., ROM, erasable programmable read-only memory (EPROM), electrically erasable programmable read-only memory (EEPROM), non-volatile memory (NAND FLASH), solid-state disk (SSD), etc.).

As shown in FIG. 9 , an embodiment of the present disclosure provides an information transmission device 900, which is applied to a first network device, including:

The second sending unit 901 is used to send downlink information to the terminal, where the downlink information includes at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal;

The first network device belongs to a first network, and the first network is a terrestrial network or a non-terrestrial network.

Optionally, the device further comprises:

A third sending unit, configured to send first uplink configuration information and/or first downlink configuration information to the terminal, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network;

The second network is a terrestrial network or a non-terrestrial network, and the second network is different from the first network.

Optionally, the first uplink configuration information includes:

indication information of the second network;

Uplink resources of the second network.

Optionally, the uplink resource includes at least one of the following:

Physical uplink shared channel resources;

Physical uplink control channel resources;

Detection of reference signal related resources;

Scheduling request related resources.

Optionally, the device further comprises:

The fourth sending unit is used to send second downlink configuration information to the second network device, where the second downlink configuration information is used for the first network.

Optionally, the first downlink configuration information and/or the second downlink configuration information includes at least one of the following:

Indication information of the first network;

Physical downlink control channel configuration information.

Optionally, the second sending unit 901 is configured to:

Send a random access response to the terminal.

Optionally, the device further comprises:

a fifth sending unit, configured to send the system information of the first network to the terminal; or

A sixth sending unit is used to send the system information of the first network to the second network device.

Optionally, the system information of the first network includes: physical downlink control channel configuration information.

Optionally, the device further comprises:

A sixth receiving unit, configured to receive system information of the second network sent by the second network device;

A seventh sending unit is used to send the system information of the second network to the terminal.

Optionally, the device further comprises:

An eighth sending unit is configured to send a system information update notification of the second network to the terminal.

It should be noted that the device embodiment is a device that corresponds one-to-one to the above-mentioned method embodiment. All implementation methods in the above-mentioned method embodiment are applicable to the device embodiment and can achieve the same technical effect.

It should be noted that the division of units in the embodiments of the present disclosure is schematic and is only a logical function division. There may be other division methods in actual implementation. In addition, each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of the present disclosure is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present disclosure. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk and other media that can store program code.

As shown in FIG10 , an embodiment of the present disclosure further provides a network device, which is a first network device, comprising a processor 1000, a transceiver 1010, a memory 1020, and a program stored in the memory 1020 and executable on the processor 1000; wherein the transceiver 1010 is connected to the processor 1000 and the memory 1020 via a bus interface, wherein the processor 1000 is used to read the program in the memory and execute the following process: wherein the processor is used to read the computer program in the memory and execute the following operations:

Sending downlink information to the terminal through the receiver, wherein the downlink information includes at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal;

The first network device belongs to a first network, and the first network is a terrestrial network or a non-terrestrial network.

The transceiver 1010 is configured to receive and send data under the control of the processor 1000 .

Among them, in Figure 10, the bus architecture may include any number of interconnected buses and bridges, specifically one or more processors represented by processor 1000 and various circuits of memory represented by memory 1020 are linked together. The bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits together, which are all well known in the art, so they are not further described herein. The bus interface provides an interface. The transceiver 1010 can be a plurality of components, namely, a transmitter and a receiver, providing a unit for communicating with various other devices on a transmission medium, and these transmission media include transmission media such as wireless channels, wired channels, and optical cables. For different user devices, the user interface 1030 can also be an interface that can be connected to external and internal devices, and the connected devices include but are not limited to keypads, displays, speakers, microphones, joysticks, etc.

The processor 1000 is responsible for managing the bus architecture and general processing, and the memory 1020 can store data used by the processor 1000 when performing operations.

Optionally, the processor 1000 may be a CPU, an ASIC, an FPGA or a CPLD, and the processor may also adopt a multi-core architecture.

The processor calls the computer program stored in the memory to execute any of the methods provided by the embodiments of the present disclosure according to the obtained executable instructions. The processor and the memory can also be arranged physically separately.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Sending first uplink configuration information and/or first downlink configuration information to the terminal, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network;

The second network is a terrestrial network or a non-terrestrial network, and the second network is different from the first network.

Optionally, the first uplink configuration information includes:

indication information of the second network;

Uplink resources of the second network.

Optionally, the uplink resource includes at least one of the following:

Physical uplink shared channel resources;

Physical uplink control channel resources;

Detection of reference signal related resources;

Scheduling request related resources.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Send second downlink configuration information to the second network device, where the second downlink configuration information is used for the first network.

Optionally, the first downlink configuration information and/or the second downlink configuration information includes at least one of the following:

Indication information of the first network;

Physical downlink control channel configuration information.

Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

Send a random access response to the terminal.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Sending system information of the first network to the terminal; or

The system information of the first network is sent to the second network device.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Receiving system information of the second network sent by the second network device;

The system information of the second network is sent to the terminal.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Sending a system information update notification of the second network to the terminal.

It should be noted here that the above-mentioned network device provided in the embodiment of the present disclosure can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.

The disclosed embodiment also provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the information transmission method applied to the first network device. The processor-readable storage medium may be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (e.g., floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (e.g., CD, DVD, BD, HVD, etc.), and semiconductor storage (e.g., ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)), etc.

As shown in FIG. 11 , an embodiment of the present disclosure provides an information transmission device 1100, which is applied to a second network device, including:

The second receiving unit 1101 is configured to receive uplink information sent by a terminal, where the uplink information includes at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal;

The second network device belongs to a second network, and the second network is a non-terrestrial network or a terrestrial network.

Optionally, the device further comprises:

The ninth sending unit is used to send first uplink configuration information to the first network device, where the first uplink configuration information is used for the second network.

Optionally, the device further comprises:

a tenth sending unit, configured to send second uplink configuration information and/or second downlink configuration information to the terminal, where the second downlink configuration information is used for the first network, and the second uplink configuration information is used for the second network;

The first network is a terrestrial network or a non-terrestrial network, and the first network is different from the second network.

Optionally, the first uplink configuration information and/or the second uplink configuration information includes at least one of the following:

indication information of the second network;

Uplink resources of the second network.

Optionally, the uplink resource includes at least one of the following:

Physical uplink shared channel resources;

Physical uplink control channel resources;

Detection of reference signal related resources;

Scheduling request related resources.

Optionally, the second downlink configuration information includes at least one of the following:

Indication information of the first network;

Physical downlink control channel configuration information.

Optionally, the second receiving unit 1101 is configured to:

The random access preamble code sent by the receiving terminal.

Optionally, the device further comprises:

A seventh receiving unit, configured to receive system information of the first network sent by the first network device;

An eleventh sending unit is configured to send the system information of the first network to a terminal.

Optionally, the system information of the first network includes: physical downlink control channel configuration information.

Optionally, the device further comprises:

a twelfth sending unit, configured to send the system information of the second network to the terminal; or

The thirteenth sending unit is used to send the system information of the second network to the first network device.

It should be noted that the device embodiment is a device that corresponds one-to-one to the above-mentioned method embodiment. All implementation methods in the above-mentioned method embodiment are applicable to the device embodiment and can achieve the same technical effect.

It should be noted that the division of units in the embodiments of the present disclosure is schematic and is only a logical function division. There may be other division methods in actual implementation. In addition, each functional unit in each embodiment of the present disclosure may be integrated into a processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a processor-readable storage medium. Based on this understanding, the technical solution of the present disclosure is essentially or the part that contributes to the prior art or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a storage medium, including several instructions to enable a computer device (which can be a personal computer, server, or network device, etc.) or a processor (processor) to perform all or part of the steps of the method described in each embodiment of the present disclosure. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk and other media that can store program code.

The embodiment of the present disclosure further provides a network device, which is a second network device. The structure of the second network device can be seen in FIG. 10 , and will not be described in detail here.

Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

Receiving, by a receiver, uplink information sent by a terminal, the uplink information comprising at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal;

The second network device belongs to a second network, and the second network is a non-terrestrial network or a terrestrial network.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

First uplink configuration information is sent to the first network device, where the first uplink configuration information is used for the second network.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Sending second uplink configuration information and/or second downlink configuration information to the terminal, where the second downlink configuration information is used for the first network, and the second uplink configuration information is used for the second network;

The first network is a terrestrial network or a non-terrestrial network, and the first network is different from the second network.

Optionally, the first uplink configuration information and/or the second uplink configuration information includes at least one of the following:

indication information of the second network;

Uplink resources of the second network.

Optionally, the uplink resource includes at least one of the following:

Physical uplink shared channel resources;

Physical uplink control channel resources;

Detection of reference signal related resources;

Scheduling request related resources.

Optionally, the second downlink configuration information includes at least one of the following:

Indication information of the first network;

Physical downlink control channel configuration information.

Optionally, the processor is configured to read the computer program in the memory and perform the following operations:

The random access preamble code sent by the receiving terminal.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

Receiving system information of the first network sent by the first network device;

The system information of the first network is sent to the terminal.

Optionally, the system information of the first network includes: physical downlink control channel configuration information.

Optionally, the processor, for reading the computer program in the memory, further performs the following operations:

sending the system information of the second network to the terminal; or

The system information of the second network is sent to the first network device.

It should be noted here that the above-mentioned network device provided in the embodiment of the present disclosure can implement all the method steps implemented in the above-mentioned method embodiment, and can achieve the same technical effect. The parts and beneficial effects of this embodiment that are the same as the method embodiment will not be described in detail here.

The disclosed embodiment also provides a computer-readable storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the information transmission method applied to the second network device. The processor-readable storage medium may be any available medium or data storage device that the processor can access, including but not limited to magnetic storage (e.g., floppy disk, hard disk, magnetic tape, magneto-optical disk (MO), etc.), optical storage (e.g., CD, DVD, BD, HVD, etc.), and semiconductor storage (e.g., ROM, EPROM, EEPROM, non-volatile memory (NAND FLASH), solid-state drive (SSD)), etc.

Those skilled in the art will appreciate that the embodiments of the present disclosure may be provided as methods, systems, or computer program products. Therefore, the present disclosure may take the form of a complete hardware embodiment, a complete software embodiment, or an embodiment combining software and hardware. Moreover, the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) containing computer-usable program code.

The present disclosure is described with reference to the flowchart and/or block diagram of the method, device (system), and computer program product according to the embodiment of the present disclosure. It should be understood that each process and/or box in the flowchart and/or block diagram, as well as the combination of the process and/or box in the flowchart and/or block diagram can be implemented by computer executable instructions. These computer executable instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded processor or other programmable data processing device to produce a machine, so that the instructions executed by the processor of the computer or other programmable data processing device produce a device for implementing the functions specified in one process or multiple processes in the flowchart and/or one box or multiple boxes in the block diagram.

These processor-executable instructions may also be stored in a processor-readable memory that can direct a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the processor-readable memory produce a product including an instruction device that implements the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.

These processor-executable instructions may also be loaded onto a computer or other programmable data processing device so that a series of operational steps are executed on the computer or other programmable device to produce a computer-implemented process, whereby the instructions executed on the computer or other programmable device provide steps for implementing the functions specified in one or more processes in the flowchart and/or one or more boxes in the block diagram.

It should be noted that it should be understood that the division of the above modules is only a division of logical functions. In actual implementation, they can be fully or partially integrated into one physical entity, or they can be physically separated. And these modules can all be implemented in the form of software called by processing elements; they can also be all implemented in the form of hardware; some modules can also be implemented in the form of software called by processing elements, and some modules can be implemented in the form of hardware. For example, the determination module can be a separately established processing element, or it can be integrated in a chip of the above-mentioned device for implementation. In addition, it can also be stored in the memory of the above-mentioned device in the form of program code, and called and executed by a processing element of the above-mentioned device. The implementation of other modules is similar. In addition, these modules can be fully or partially integrated together, or they can be implemented independently. The processing element described here can be an integrated circuit with signal processing capabilities. In the implementation process, each step of the above method or each module above can be completed by an integrated logic circuit of hardware in the processor element or instructions in the form of software.

For example, each module, unit, sub-unit or sub-module may be one or more integrated circuits configured to implement the above method, such as one or more application specific integrated circuits (ASIC), or one or more microprocessors (digital signal processors, DSP), or one or more field programmable gate arrays (FPGA), etc. For another example, these modules can be integrated together and implemented in the form of a system-on-a-chip (SOC).

Obviously, those skilled in the art can make various changes and modifications to the present disclosure without departing from the spirit and scope of the present disclosure. Thus, if these modifications and variations of the present disclosure fall within the scope of the claims of the present disclosure and their equivalents, the present disclosure is also intended to include these modifications and variations.

Claims (52)

An information transmission method, executed by a terminal, comprising: receiving downlink information from the first network, the downlink information comprising at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal; Sending uplink information to the second network, the uplink information comprising at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal; One of the first network and the second network is a terrestrial network, and the other is a non-terrestrial network. The method according to claim 1, further comprising at least one of the following: Receiving first uplink configuration information and first downlink configuration information sent by a first network, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network; Second uplink configuration information and second downlink configuration information sent by the second network are received, where the second uplink configuration information is used for the second network, and the second downlink configuration information is used for the first network. The method according to claim 2, wherein the first uplink configuration information and/or the second uplink configuration information comprises at least one of the following: indication information of the second network; The uplink resources of the second network. The method according to claim 3, wherein the uplink resource comprises at least one of the following: Physical uplink shared channel resources; Physical uplink control channel resources; Detection of reference signal related resources; Scheduling request related resources. The method according to claim 2, wherein the first downlink configuration information and/or the second downlink configuration information includes at least one of the following: Indication information of the first network; Physical downlink control channel configuration information. The method according to claim 1, wherein the sending uplink information to the second network comprises: Sending a random access preamble to the second network; The receiving downlink information from the first network includes: A random access response is received from the first network. The method according to claim 6, further comprising: The system information of the first network is acquired from the second network or the system information of the first network is acquired from the first network. The method according to claim 7, wherein the system information of the first network includes: physical downlink control channel configuration information. The method according to claim 6, further comprising: Acquire the system information of the second network from the second network; or The system information of the second network is acquired from the first network. The method according to claim 9, wherein the acquiring the system information of the second network from the second network comprises: continuing to receive system information of the second network from the second network; or When it is necessary to access the network, system information is obtained from the second network. The method according to claim 10, wherein after acquiring system information from the second network when access to the network is required, the method further comprises: receiving a system information update notification of the second network from the first network; The system information of the second network is updated according to the system information update notification. An information transmission method, performed by a first network device, comprising: Sending downlink information to the terminal, the downlink information including at least one of the following: downlink channel, downlink signaling, downlink data, and downlink signal; The first network device belongs to a first network, and the first network is a terrestrial network or a non-terrestrial network. The method according to claim 12, further comprising: Sending first uplink configuration information and/or first downlink configuration information to the terminal, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network; The second network is a terrestrial network or a non-terrestrial network, and the second network is different from the first network. The method according to claim 13, wherein the first uplink configuration information comprises: indication information of the second network; Uplink resources of the second network. The method according to claim 14, wherein the uplink resource comprises at least one of the following: Physical uplink shared channel resources; Physical uplink control channel resources; Detection of reference signal related resources; Scheduling request related resources. The method according to claim 12, further comprising: Send second downlink configuration information to the second network device, where the second downlink configuration information is used for the first network. The method according to claim 13 or 16, wherein the first downlink configuration information and/or the second downlink configuration information includes at least one of the following: Indication information of the first network; Physical downlink control channel configuration information. The method according to claim 12, wherein the sending downlink information to the terminal comprises: Send a random access response to the terminal. The method according to claim 18, further comprising: Sending system information of the first network to the terminal; or The system information of the first network is sent to the second network device. The method according to claim 19, wherein the system information of the first network includes: physical downlink control channel configuration information. The method according to claim 18, further comprising: Receiving system information of the second network sent by the second network device; The system information of the second network is sent to the terminal. The method according to claim 21, further comprising: Sending a system information update notification of the second network to the terminal. An information transmission method, performed by a second network device, comprising: receiving uplink information sent by a terminal, wherein the uplink information includes at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal; The second network device belongs to a second network, and the second network is a non-terrestrial network or a terrestrial network. The method according to claim 23, further comprising: First uplink configuration information is sent to the first network device, where the first uplink configuration information is used for the second network. The method according to claim 23, further comprising: Sending second uplink configuration information and/or second downlink configuration information to the terminal, where the second downlink configuration information is used for the first network, and the second uplink configuration information is used for the second network; The first network is a terrestrial network or a non-terrestrial network, and the first network is different from the second network. The method according to claim 24 or 25, wherein the first uplink configuration information and/or the second uplink configuration information includes at least one of the following: indication information of the second network; Uplink resources of the second network. The method according to claim 26, wherein the uplink resource comprises at least one of the following: Physical uplink shared channel resources; Physical uplink control channel resources; Detection of reference signal related resources; Scheduling request related resources. The method according to claim 25, wherein the second downlink configuration information includes at least one of the following: Indication information of the first network; Physical downlink control channel configuration information. The method according to claim 23, wherein the receiving uplink information sent by the terminal comprises: The random access preamble code sent by the receiving terminal. The method according to claim 29, further comprising: Receiving system information of the first network sent by the first network device; The system information of the first network is sent to the terminal. The method according to claim 30, wherein the system information of the first network includes: physical downlink control channel configuration information. The method according to claim 29, further comprising: sending the system information of the second network to the terminal; or The system information of the second network is sent to the first network device. A terminal includes a memory, a transceiver, and a processor: A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations: Receiving downlink information from the first network through a receiver, the downlink information comprising at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal; Sending uplink information to the second network through the receiver, wherein the uplink information includes at least one of the following: an uplink channel, an uplink signaling, an uplink data, and an uplink signal; One of the first network and the second network is a terrestrial network, and the other is a non-terrestrial network. The terminal according to claim 33, wherein the processor is further configured to read the computer program in the memory and perform the following operations: Receiving first uplink configuration information and first downlink configuration information sent by a first network, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network; Second uplink configuration information and second downlink configuration information sent by the second network are received, where the second uplink configuration information is used for the second network, and the second downlink configuration information is used for the first network. The terminal according to claim 34, wherein the first uplink configuration information and/or the second uplink configuration information comprises at least one of the following: indication information of the second network; Uplink resources of the second network. The terminal according to claim 35, wherein the uplink resource comprises at least one of the following: Physical uplink shared channel resources; Physical uplink control channel resources; Detection of reference signal related resources; Scheduling request related resources. The terminal according to claim 34, wherein the first downlink configuration information and/or the second downlink configuration information comprises at least one of the following: Indication information of the first network; Physical downlink control channel configuration information. The terminal according to claim 33, wherein the processor is further configured to read the computer program in the memory and perform the following operations: Sending a random access preamble to the second network; A random access response is received from the first network. The terminal according to claim 38, wherein the processor is further configured to read the computer program in the memory and perform the following operations: The system information of the first network is acquired from the second network or the system information of the first network is acquired from the first network. The terminal according to claim 39, wherein the system information of the first network includes: physical downlink control channel configuration information. The terminal according to claim 38, wherein the processor is further configured to read the computer program in the memory and perform the following operations: Acquire the system information of the second network from the second network; or The system information of the second network is acquired from the first network. The terminal according to claim 41, wherein the processor is further configured to read the computer program in the memory and perform the following operations: continuing to receive system information of the second network from the second network; or When it is necessary to access the network, system information is obtained from the second network. The terminal according to claim 42, wherein the processor is further configured to read the computer program in the memory and perform the following operations: receiving a system information update notification of the second network from the first network; The system information of the second network is updated according to the system information update notification. A network device, the network device being a first network device, comprises a memory, a transceiver, and a processor: A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations: Sending downlink information to the terminal through the receiver, wherein the downlink information includes at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal; The first network device belongs to a first network, and the first network is a terrestrial network or a non-terrestrial network. The network device according to claim 44, wherein the processor is further configured to read the computer program in the memory and perform the following operations: Sending first uplink configuration information and/or first downlink configuration information to the terminal, where the first uplink configuration information is used for the second network, and the first downlink configuration information is used for the first network; The second network is a terrestrial network or a non-terrestrial network, and the second network is different from the first network. A network device, the network device being a second network device, comprising a memory, a transceiver, and a processor: A memory for storing a computer program; a transceiver for transmitting and receiving data under the control of the processor; and a processor for reading the computer program in the memory and performing the following operations: Receiving, by a receiver, uplink information sent by a terminal, the uplink information comprising at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal; The second network device belongs to a second network, and the second network is a non-terrestrial network or a terrestrial network. The network device according to claim 46, wherein the processor is further configured to read the computer program in the memory and perform the following operations: First uplink configuration information is sent to the first network device, where the first uplink configuration information is used for the second network. The network device according to claim 47, wherein the processor is further configured to read the computer program in the memory and perform the following operations: Sending second uplink configuration information and/or second downlink configuration information to the terminal, where the second downlink configuration information is used for the first network, and the second uplink configuration information is used for the second network; The first network is a terrestrial network or a non-terrestrial network, and the first network is different from the second network. An information transmission device, applied to a terminal, comprising: A first receiving unit, configured to receive downlink information from a first network, wherein the downlink information includes at least one of the following: a downlink channel, downlink signaling, downlink data, and a downlink signal; A first sending unit, configured to send uplink information to the second network, wherein the uplink information includes at least one of the following: an uplink channel, an uplink signaling, an uplink data, and an uplink signal; One of the first network and the second network is a terrestrial network, and the other is a non-terrestrial network. An information transmission device, applied to a first network device, comprising: A second sending unit, configured to send downlink information to the terminal, wherein the downlink information includes at least one of the following: a downlink channel, a downlink signaling, downlink data, and a downlink signal; The first network device belongs to a first network, and the first network is a terrestrial network or a non-terrestrial network. An information transmission device, applied to a second network device, comprising: A second receiving unit, configured to receive uplink information sent by a terminal, wherein the uplink information includes at least one of the following: an uplink channel, an uplink signaling, uplink data, and an uplink signal; The second network device belongs to a second network, and the second network is a non-terrestrial network or a terrestrial network. A processor-readable storage medium storing a computer program, wherein the computer program is used to cause the processor to execute the method according to any one of claims 1 to 32.