CN118677496A - Satellite communication method and device - Google Patents
Satellite communication method and device Download PDFInfo
- Publication number
- CN118677496A CN118677496A CN202310274341.7A CN202310274341A CN118677496A CN 118677496 A CN118677496 A CN 118677496A CN 202310274341 A CN202310274341 A CN 202310274341A CN 118677496 A CN118677496 A CN 118677496A
- Authority
- CN
- China
- Prior art keywords
- satellite
- data
- transmitted
- gateway station
- network
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/185—Space-based or airborne stations; Stations for satellite systems
- H04B7/1851—Systems using a satellite or space-based relay
- H04B7/18513—Transmission in a satellite or space-based system
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Astronomy & Astrophysics (AREA)
- Aviation & Aerospace Engineering (AREA)
- General Physics & Mathematics (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Radio Relay Systems (AREA)
Abstract
The application provides a satellite communication method and a satellite communication device, and relates to the technical field of satellite communication. The method comprises the steps of receiving first data to be transmitted sent by a first gateway station through a target beam, wherein the target beam is an access beam adopted by first terminal equipment accessed to a first satellite, and the first gateway station and the first terminal equipment are accessed to the first satellite through a unified wireless access technology; the first data to be transmitted is forwarded to the second satellite. In the application, the gateway station and the user terminal equipment share the same target wave beam, and the same wireless access technology is used for accessing the satellite base station, so that the gateway station and the user terminal equipment share the air interface time-frequency resource.
Description
Technical Field
The application relates to the technical field of satellite communication, in particular to a satellite communication method and a satellite communication device.
Background
In the related art, an access beam needs to be designed between a user terminal device and an access link of a satellite, a feed link of a ground gateway station and the satellite needs to be designed, the access link of the user terminal device and the satellite and the feed link of the ground gateway station and the satellite have differences in frequency bands and technical systems, a satellite load needs to be designed into an access unit and a feed unit, and certain system redundancy exists.
Disclosure of Invention
The application aims to solve the technical problem that the satellite-to-ground frequency resource cannot be shared by the user terminal equipment and the gateway station at least to a certain extent.
To this end, an object of the present application is to propose a satellite communication method, performed by a first satellite, comprising: receiving first data to be transmitted sent by a first gateway station through a target beam, wherein the target beam is an access beam adopted by first terminal equipment accessed to a first satellite, and the first gateway station and the first terminal equipment access the first satellite by a unified wireless access technology; the first data to be transmitted is forwarded to the second satellite.
A second object of the present application is to propose a satellite communication method, carried out by a first gateway station.
A third object of the present application is to provide a satellite communication device, which is applicable to a first satellite side.
A fourth object of the present application is to provide a satellite communication device, which is suitable for the first gateway station side.
A fifth object of the present application is to propose an electronic device.
A sixth object of the present application is to propose a non-transitory computer readable storage medium.
A seventh object of the application is to propose a computer programme product.
To achieve the above object, an embodiment of a first aspect of the present application provides a satellite communication method, which is performed by a first satellite, including: receiving first data to be transmitted sent by a first gateway station through a target beam, wherein the target beam is an access beam adopted by first terminal equipment accessed to a first satellite, and the first gateway station and the first terminal equipment access the first satellite by a unified wireless access technology; the first data to be transmitted is forwarded to the second satellite.
According to one embodiment of the present application, before receiving first data to be transmitted sent by a first gateway station through a target beam, the method includes: receiving a network access authentication request sent by a first gateway station to a first satellite; judging whether the first gateway station meets the condition of network access authentication according to the network access authentication request; and responding to the condition that the first gateway station meets the network access authentication, sending a network access authentication success indication to the first gateway station, wherein the network access authentication success indication is used for indicating the first gateway station to send first data to be transmitted to the first satellite.
According to one embodiment of the application, forwarding first data to be transmitted to a second satellite includes: acquiring a satellite identifier carried by first data to be transmitted; and determining a second satellite from the plurality of candidate satellites according to the satellite identification, and forwarding the first data to be transmitted to the second satellite, wherein the second satellite corresponds to at least one second gateway station accessed to the second satellite and at least one second terminal device accessed to the second satellite.
According to one embodiment of the present application, the satellite communication method further includes: receiving second data to be transmitted sent by a third satellite, wherein the second data to be transmitted is data sent to the third satellite by a third gateway station or a third terminal device accessed to the third satellite; determining a target first gateway station corresponding to the second data to be transmitted from all first gateway stations accessed to the first satellite according to the gateway station identification carried by the second data to be transmitted; and sending the second data to be transmitted to the target first gateway station.
To achieve the above object, an embodiment of a second aspect of the present application provides a satellite communication method, which is performed by a first gateway station, including: receiving first data to be transmitted sent to a first gateway station by a first private network; and transmitting the first data to be transmitted to the first satellite based on the target beam, wherein the target beam is a shared beam of the first gateway station and the first terminal equipment, and the first gateway station and the first terminal equipment access the first satellite through a unified wireless access technology.
According to one embodiment of the application, before the first data to be transmitted is sent to the first satellite based on the target beam, the method further comprises the steps of sending a network access authentication request to the first satellite; and receiving an access authentication success indication sent by the first satellite to the first gateway station.
According to one embodiment of the present application, the satellite communication method further includes: receiving second data to be transmitted sent by the first satellite, wherein the second data to be transmitted is data which is sent to a third satellite by a third gateway station or a third terminal device accessed to the third satellite and then sent to the first satellite by the third satellite; and sending the second data to be transmitted to the target network.
According to one embodiment of the application, sending the second data to be transmitted to the target network comprises: responding to the second data to be transmitted as the data which is transmitted to the third satellite by the third gateway station accessing the third satellite and then transmitted to the first satellite by the third satellite, and taking a second special network corresponding to the second data to be transmitted as the target network; and responding to the second data to be transmitted, which is the data transmitted to the first satellite by the third satellite after being transmitted to the third satellite by the third terminal equipment accessed to the third satellite, and taking a core network corresponding to the second data to be transmitted as the target network.
To achieve the above object, an embodiment of a third aspect of the present application provides a satellite communication device, which is applicable to a first satellite side, and includes: the first receiving module is used for receiving first data to be transmitted, which is sent by a first gateway station through a target beam, wherein the target beam is an access beam adopted by first terminal equipment accessed to a first satellite, and the first gateway station and the first terminal equipment are accessed to the first satellite by a unified wireless access technology; and the first sending module is used for forwarding the first data to be transmitted to the second satellite.
To achieve the above object, a fourth aspect of the present application provides a satellite communication device, adapted for a first gateway station side, comprising: the second receiving module is used for receiving first data to be transmitted, which is sent to the first gateway station by the first private network; and the second sending module is used for sending the first data to be transmitted to the first satellite based on a target beam, wherein the target beam is a shared beam of the first gateway station and the first terminal equipment, and the first gateway station and the first terminal equipment access the first satellite through a unified wireless access technology.
To achieve the above object, an embodiment of a fifth aspect of the present application provides an electronic device, including: at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to implement a satellite communication method as in the first aspect of the embodiments or the second aspect of the application.
To achieve the above object, an embodiment of a sixth aspect of the present application proposes a non-transitory computer readable storage medium storing computer instructions for implementing a satellite communication method as an embodiment of the first aspect or an embodiment of the second aspect of the present application.
To achieve the above object, an embodiment of a seventh aspect of the present application proposes a computer program product comprising a computer program which, when executed by a processor, implements a satellite communication method as in the embodiment of the first aspect or the embodiment of the second aspect of the present application.
The application at least realizes the following beneficial effects: in the application, the gateway station and the user terminal equipment share the same target wave beam, and the same wireless access technology is used for accessing the satellite base station, so that the gateway station and the user terminal equipment share the air interface time-frequency resource.
Drawings
The foregoing and/or additional aspects and advantages of the application will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings, in which:
fig. 1 is a general architecture diagram of a satellite communication system according to an embodiment of the present application.
Fig. 2 is a schematic diagram of a satellite communication system according to an embodiment of the application.
Fig. 3 is a schematic diagram showing an exemplary implementation of a satellite communication method performed by a first satellite according to an embodiment of the present application.
Fig. 4 is a schematic diagram showing an exemplary implementation of yet another satellite communication method performed by a first satellite according to an embodiment of the present application.
Fig. 5 is a schematic diagram illustrating an exemplary implementation of a satellite communication method performed by a first gateway station according to an embodiment of the present application.
Fig. 6 is a schematic diagram illustrating an exemplary implementation of yet another satellite communication method performed by the first gateway station according to one embodiment of the present application.
Fig. 7 is a schematic diagram illustrating a point-to-point communication between ground gateway stations according to an embodiment of the present application.
Fig. 8 is a schematic diagram illustrating a user base terminal accessing a core network according to an embodiment of the present application.
Fig. 9 is a schematic diagram of a satellite communication device according to an embodiment of the application.
Fig. 10 is a schematic diagram of a satellite communication device according to an embodiment of the application.
Fig. 11 is a schematic diagram of an electronic device according to an embodiment of the present application.
Detailed Description
Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.
Fig. 1 is a general architecture diagram of a satellite communication system according to the present application, and as shown in fig. 1, the satellite communication system is mainly composed of three components, namely a space segment, a user segment and a ground segment. The space section consists of thousands of satellites, and is networked by adopting an inter-satellite chain transmission mode. The user section consists of terminal equipment such as a handheld terminal, an Internet of things terminal, an Internet of vehicles terminal and the like, and provides satellite Internet access service for users. The ground section is composed of a ground gateway station, a measurement and control system, a core network and other systems, the functions of satellite-ground feed service, measurement and control management, network management, operation management, service and the like of the satellite communication system are completed, and interconnection and intercommunication of the satellite internet system and other systems are realized.
Fig. 2 is a schematic diagram of a satellite communication system according to the present application, as shown in fig. 2, including a space segment, a user segment, and a ground segment, wherein:
The User segment includes a terminal device (UE), which is a device for a User to access the satellite network. Optionally, the terminal device may include a mobile phone, a tablet, a computer, a wearable device, an internet of things terminal, and the like.
The ground section comprises Gateway (GW) which is used as a satellite-to-ground link access anchor point and is used for providing a feed link connected with a core network for a satellite network, completing satellite constellation feed signal processing and realizing feed information transmission, wherein the feed link has satellite-to-ground user data transmission capability and satellite-to-ground network management and telemetry and remote control data transmission capability.
The gateway station includes a gateway station terminal (GW-UE), a gateway station Router (GW-Router), and a user plane function (User Plane Function, UPF).
Wherein: the gateway terminal, as part of the gateway function, accesses the satellite network for providing a wireless link between the gateway and the satellite.
And the gateway station router is used as a part of gateway station functions and is used for realizing the establishment of satellite-to-ground route bearing and finishing the mapping and forwarding of information from the ground bearing network to the gateway station terminal.
And the user plane function unit is used as a part of gateway station functions and used for routing and forwarding the user plane data packets of the core network.
The space segment includes a plurality of satellites, each Satellite including a Satellite integrated management unit, a Satellite-borne base station (Satellite-gNB), a Satellite-borne feed control (SATELLITE FEED control, SFC) unit, and a Satellite-borne Router.
The satellite-borne feed control unit is used as a part of a satellite system, and is used for providing network access control and security authentication functions for gateway stations corresponding to satellites and providing service quality (Quality of Service, qoS) mapping management functions for feed links corresponding to the gateway stations.
The satellite comprehensive management unit is used as a part of a satellite system and is used for completing comprehensive management functions of satellite management, attitude and orbit control management, data acquisition, measurement and control management and the like of the whole satellite.
The satellite-borne base station is used as a part of a satellite system and is used for realizing wireless access and data transmission for terminal equipment and gateway stations so as to realize satellite-to-ground transmission of user data and feed data.
The satellite-borne router is used as a part of a satellite system and is used for providing a routing function for an inter-satellite network or a satellite-to-ground network so as to realize day-based data forwarding and load balancing and update satellite-to-ground routing information according to the feed link state.
Each satellite corresponds to at least one gateway station and at least one terminal device, the gateway stations and the terminal devices access the satellite by a unified wireless access technology and complete data transmission under a target beam, so that the gateway stations and the terminal devices corresponding to the satellite share air interface time-frequency resources. The gateway station and the terminal device access the satellite base station by a unified wireless access technology, but the gateway station and the terminal device can carry different identification information, so that the satellite can accurately know whether the gateway station or the terminal device is in communication with the gateway station or the terminal device.
Further, the ground section also comprises a core network and a measurement and operation controller.
The core network is used for providing core network related content for the terminal equipment. Such as authentication, security, mobility management, paging, session management, user IP address assignment and management, etc.
The measurement and operation control is used for controlling the operation of the satellite communication system, has the satellite-ground integrated network management function, and provides the remote measurement, remote control and operation control management functions for the satellite.
In the satellite communication system with integrated access and feed, the gateway station and the user terminal equipment share the same target wave beam, and the same wireless access technology is used for accessing the satellite base station.
Fig. 3 is a schematic diagram of an exemplary embodiment of a satellite communication method according to the present application, performed by a first satellite, as shown in fig. 3, comprising the steps of:
S301, receiving first data to be transmitted sent by a first gateway station through a target beam, wherein the target beam is an access beam adopted by first terminal equipment accessed to a first satellite, and the first gateway station and the first terminal equipment access the first satellite through a unified wireless access technology.
And taking the gateway station accessed to the first satellite as a first gateway station, taking the data transmitted to the first satellite by the first gateway station as first data to be transmitted, and after the first gateway station transmits the first data to be transmitted to the first satellite, receiving the first data to be transmitted by the first gateway station through the target beam by the first satellite.
The first gateway station and the first terminal equipment access the first satellite by using a unified wireless access technology, and the target beam is an access beam adopted by the first terminal equipment accessing the first satellite, namely the first gateway station multiplexes the access beam adopted by the first terminal equipment.
And S302, forwarding the first data to be transmitted to a second satellite.
And taking the satellite-borne router corresponding to the first satellite as the first satellite-borne router, and after the first satellite receives the first data to be transmitted sent by the first gateway station through the target beam, forwarding the first data to be transmitted to the second satellite based on the first satellite-borne router based on the space-based carrier network.
When the first satellite forwards the first data to be transmitted to the second satellite based on the first satellite-borne router, the first satellite can acquire a satellite identifier carried by the first data to be transmitted, determine the second satellite from a plurality of candidate satellites according to the satellite identifier, and forward the first data to be transmitted to the second satellite, wherein the second satellite also corresponds to at least one second gateway station accessed to the second satellite and at least one second terminal device accessed to the second satellite.
In the embodiment of the application, the first gateway station accesses the first satellite in the same wireless access mode as the first terminal equipment, and the first gateway station multiplexes the access beam corresponding to the first terminal equipment as the target beam so as to realize that the first gateway station corresponding to the first satellite and the first terminal equipment share the air interface time-frequency resource.
Further, before receiving the first data to be transmitted sent by the first gateway station through the target beam, the first gateway station and the first satellite need to complete network access authentication, which specifically includes the following steps: the satellite-borne feed control unit included in the first satellite is called a first satellite-borne feed control unit, the first satellite receives a network access authentication request sent by the first gateway station to the first satellite-borne feed control unit of the first satellite, the first satellite-borne feed control unit of the first satellite judges whether the first gateway station meets the network access authentication condition according to the network access authentication request, and if the first gateway station meets the network access authentication condition, the first satellite-borne feed control unit sends a network access authentication success indication to the first gateway station, and the network access authentication success indication is used for indicating the first gateway station to send first data to be transmitted to the first satellite. The condition meeting the network access authentication can be preset, for example, the network access authentication request can be set to carry the gateway station identification information of the first gateway station, and if the gateway station identification information of the first gateway station is the identification information existing in the first satellite-borne feed control unit identification information list, the first gateway station is considered to meet the condition of the network access authentication.
Fig. 4 is a schematic diagram of an exemplary embodiment of a satellite communication method according to the present application, performed by a first satellite, as shown in fig. 4, comprising the steps of:
s401, receiving second data to be transmitted sent by a third satellite, wherein the second data to be transmitted is data sent to the third satellite by a third gateway station or a third terminal device accessed to the third satellite.
The foregoing embodiments describe a communication process when the first satellite is a satellite that forwards data to other satellites, and it is not easy to understand that the first satellite may not only forward data to other satellites, but also receive data forwarded from other satellites.
And taking the data sent by the third satellite to the first satellite as second data to be transmitted, and receiving the second data to be transmitted sent by the third satellite by the first satellite.
The second data to be transmitted is data sent to the third satellite by the third gateway station or the third terminal equipment accessed to the third satellite.
The third satellite may be the same satellite as the second satellite, or may be other satellites than the first satellite and the second satellite. When the third satellite and the second satellite are the same satellite, that is, the first satellite and the second satellite can be considered as the process of replying the data to the first satellite by the first satellite when the first satellite and the second satellite are in communication.
S402, determining a target first gateway station corresponding to the second data to be transmitted from all first gateway stations accessed to the first satellite according to the gateway station identification carried by the second data to be transmitted.
After the first satellite receives second data to be transmitted sent by the third satellite, the first satellite determines a target first gateway station corresponding to the second data to be transmitted from all first gateway stations accessed to the first satellite according to the gateway station identification carried by the second data to be transmitted.
S403, the second data to be transmitted is sent to the target first gateway station.
And after the first satellite determines the target first gateway station corresponding to the second data to be transmitted, the second data to be transmitted is sent to the target first gateway station.
The embodiment of the application introduces the implementation steps of the first satellite from the perspective that the first satellite is used for receiving the forwarding data of other satellites, and the first satellite can not only send the data to other satellites, but also receive the data of other satellites and send the data to the gateway station, so that the function introduction of the first satellite is more complete.
Fig. 5 is a schematic diagram of an exemplary embodiment of a satellite communication method according to the present application, performed by a first gateway station, as shown in fig. 5, comprising the steps of:
s501, first data to be transmitted sent to a first gateway station by a first private network is received.
The method comprises the steps that a gateway station accessed to a first satellite is used as a first gateway station, data transmitted to the first satellite by the first gateway station is used as first data to be transmitted, in the communication process of a first special network corresponding to the first gateway station accessed to the first satellite and a second special network corresponding to a second gateway station accessed to a second satellite, before the first gateway station transmits the first data to be transmitted to the first satellite, the first gateway station receives the first data to be transmitted, which is transmitted to the first gateway station by the first special network, namely, the first data to be transmitted is the data transmitted to the first gateway station by the first special network, and the first gateway station transmits the first data to the first satellite.
The first private network may be a specific network such as a large museum network, for example.
And S502, transmitting the first data to be transmitted to the first satellite based on a target beam, wherein the target beam is a shared beam of the first gateway station and the first terminal equipment, and the first gateway station and the first terminal equipment access the first satellite by a unified wireless access technology.
After receiving first data to be transmitted sent to the first gateway station by the first private network, the first gateway station sends the first data to be transmitted to the first satellite based on a target beam, wherein the target beam is a shared beam of the first gateway station and the first terminal device, and the first gateway station and the first terminal device access the first satellite through a unified wireless access technology.
In the embodiment of the application, the first gateway station accesses the first satellite in the same wireless access mode as the first terminal equipment, and the first gateway station multiplexes the access beam corresponding to the first terminal equipment as the target beam so as to realize that the first gateway station corresponding to the first satellite and the first terminal equipment share the air interface time-frequency resource.
Further, before the first gateway station sends the first data to be transmitted to the first satellite based on the target beam, the first gateway station and the first satellite need to complete network access authentication, which specifically includes the following steps: the first gateway station sends a network access authentication request to a first satellite-borne feed control unit of the first satellite, and after the first satellite-borne feed control unit passes the network access authentication request, the first gateway station receives a network access authentication success indication sent by the first satellite-borne feed control unit of the first satellite to the first gateway station. The network access authentication success indication is used for indicating the first gateway station to send first data to be transmitted to the first satellite.
Fig. 6 is a schematic diagram of an exemplary embodiment of a satellite communication method according to the present application, performed by a first gateway station, as shown in fig. 6, comprising the steps of:
S601, receiving second data to be transmitted sent by the first satellite, wherein the second data to be transmitted is data sent to the third satellite by a third gateway station or a third terminal device accessed to the third satellite and then sent to the first satellite by the third satellite.
The above embodiment describes the communication process when the first gateway station is used as the gateway station for forwarding data to the first satellite, and it is easy to understand that the first gateway station may not only forward data to the first satellite, but also receive data forwarded from the first satellite.
The first gateway station receives second data to be transmitted sent by the first satellite, wherein the second data to be transmitted is data sent to the third satellite by a third gateway station or a third terminal device accessed to the third satellite and then sent to the first satellite by the third satellite.
The third satellite may be the same satellite as the second satellite in the above embodiment, or may be other satellites than the first satellite and the second satellite. When the third satellite and the second satellite are the same satellite, that is, the embodiment of the application can be considered as a process that the first satellite and the second satellite communicate, after the second satellite replies data to the first satellite, the first satellite forwards the replied data to the first gateway station.
And S602, sending the second data to be transmitted to the target network.
After the first gateway station receives the second data to be transmitted sent by the first satellite, the first gateway station sends the second data to be transmitted to the target network.
As an implementation manner, if the second data to be transmitted is the data that is accessed to the third satellite and sent to the third satellite and then sent to the first satellite by the third satellite, the first gateway station forwards the second data to be transmitted to the second private network by using the second private network corresponding to the second data to be transmitted on the first satellite side as the target network, so that the point-to-point communication function of the first private network under the third gateway station on the third satellite side and the second private network under the first gateway station on the first satellite side can be realized.
As another implementation manner, if the second data to be transmitted is the data that is transmitted to the third satellite by the third terminal device accessing the third satellite and then transmitted to the first satellite by the third satellite, the core network corresponding to the first satellite side of the second data to be transmitted is used as the target network, and the second data to be transmitted is transmitted to the core network corresponding to the first gateway station based on the ground bearing network, so that the function that the terminal device accessing the third satellite accesses the core network under the first satellite can be realized.
The embodiment of the application introduces the implementation steps of the first gateway station from the perspective that the first gateway station is used for receiving the data forwarded by the first satellite, and the first gateway station can not only send the data to the first satellite, but also receive the data sent by the first satellite, so that the subsequent access to a core network or a private network is convenient, and the function introduction of the first gateway station is more complete.
Fig. 7 is a schematic diagram showing that peer-to-peer communication is completed between ground gateway stations according to the present application, as shown in fig. 7, when a private network 1 corresponding to a first gateway station wants to perform peer-to-peer communication with a private network 2 corresponding to a second gateway station, the first gateway station sends a network access authentication request to a first satellite-borne feed control unit, after the first satellite-borne feed control unit agrees with the network access authentication request of the first gateway station and completes network access authentication, if the first gateway station receives first data to be transmitted sent by the private network 1 to be forwarded to a first satellite, the first satellite forwards the first data to be transmitted to the first satellite, and the first satellite receives the first data to be transmitted to the first satellite and forwards the first data to be transmitted to the second satellite based on a first satellite-borne router on a space-borne carrier network. The second satellite receives the first data to be transmitted sent by the first satellite, forwards the first data to be transmitted to a second gateway station corresponding to the second satellite, and forwards the first data to be transmitted to the private network 2 by the second gateway station, so that point-to-point communication between the private network 1 corresponding to the first gateway station and the private network 2 corresponding to the second gateway station is completed. The second gateway station is in a state of completing network access authentication with the second satellite-borne feed control unit, so that point-to-point communication between the private network 1 corresponding to the first gateway station and the private network 2 corresponding to the second gateway station is realized. In fig. 7, the dotted line indicates a link of point-to-point communication between the private network 1 corresponding to the first gateway station and the private network 2 corresponding to the second gateway station.
Fig. 8 is a schematic diagram of a user terminal device accessing a core network according to the present application, as shown in fig. 8, after a third terminal device sends second data to be transmitted to a third satellite, the third satellite forwards the second data to be transmitted to a first satellite based on a space-based carrier network, the first satellite receives the second data to be transmitted sent by the third satellite, and determines a target first gateway station corresponding to the second data to be transmitted from all first gateway stations accessed to the first satellite according to a gateway station identifier carried by the second data to be transmitted, and then forwards the second data to the corresponding target first gateway station. The target first gateway station receives the second data to be transmitted forwarded by the first satellite, and sends the second data to be transmitted to a core network corresponding to the target first gateway station based on the ground bearing network, so that the access to the Internet service for the common user is realized. Wherein the broken line in fig. 8 represents the link of the user terminal device to access the core network.
Fig. 9 is a schematic diagram of a satellite communication device shown in the application, and as shown in fig. 9, the satellite communication device 900 is suitable for a first satellite side, and includes a first receiving module 901 and a first transmitting module 902, where:
the first receiving module 901 is configured to receive first data to be transmitted sent by a first gateway station through a target beam, where the target beam is an access beam adopted by a first terminal device accessing a first satellite, and the first gateway station and the first terminal device access the first satellite with a unified wireless access technology.
A first transmitting module 902, configured to forward the first data to be transmitted to the second satellite.
In the device, the first gateway station accesses the first satellite in the same wireless access mode as the first terminal equipment, and the first gateway station multiplexes the access beam corresponding to the first terminal equipment as the target beam so as to realize that the first gateway station corresponding to the first satellite and the first terminal equipment share the space-time-frequency resource.
Further, the first receiving module 901 is further configured to: receiving a network access authentication request sent by the first gateway station to the first satellite; judging whether the first gateway station meets the condition of network access authentication according to the network access authentication request; and responding to the condition that the first gateway station meets network access authentication, sending a network access authentication success indication to the first gateway station, wherein the network access authentication success indication is used for indicating the first gateway station to send the first data to be transmitted to the first satellite.
Further, the first sending module 902 is further configured to: acquiring a satellite identifier carried by the first data to be transmitted; and determining the second satellite from a plurality of candidate satellites according to the satellite identification, and forwarding the first data to be transmitted to the second satellite, wherein the second satellite corresponds to at least one second gateway station accessed to the second satellite and at least one second terminal device accessed to the second satellite.
Further, the satellite communication device 900 further includes: the data receiving module 903 is configured to receive second data to be transmitted sent by a third satellite, where the second data to be transmitted is data sent to the third satellite by a third gateway station or a third terminal device that accesses the third satellite; the gateway station determining module 904 is configured to determine, according to the gateway station identifier carried by the second data to be transmitted, a target first gateway station corresponding to the second data to be transmitted from all first gateway stations that access the first satellite; and a data sending module 905, configured to send the second data to be transmitted to the target first gateway station.
Fig. 10 is a schematic diagram of a satellite communication device shown in the application, and as shown in fig. 10, the satellite communication device 1000 is suitable for a first gateway station side, and includes a second receiving module 1001 and a second transmitting module 1002, where:
the second receiving module 1001 is configured to receive first data to be transmitted sent by the first private network to the first gateway station.
The second sending module 1002 is configured to send the first data to be transmitted to the first satellite based on a target beam, where the target beam is a common beam of the first gateway station and the first terminal device, and the first gateway station and the first terminal device access the first satellite with a unified radio access technology.
In the device, the first gateway station accesses the first satellite in the same wireless access mode as the first terminal equipment, and the first gateway station multiplexes the access beam corresponding to the first terminal equipment as the target beam so as to realize that the first gateway station corresponding to the first satellite and the first terminal equipment share the space-time-frequency resource.
Further, the second sending module 1002 is further configured to: sending a network access authentication request to the first satellite; and receiving an access authentication success indication sent by the first satellite to the first gateway station.
Further, the satellite communication device 1000 further includes: the second data to be transmitted receiving module 1003 is configured to receive second data to be transmitted sent by the first satellite, where the second data to be transmitted is data sent to a third satellite by a third gateway station or a third terminal device that accesses the third satellite, and then sent to the first satellite by the third satellite; the second data to be transmitted receiving module 1004 is configured to send the second data to be transmitted to a target network.
Further, the second data receiving module to be transmitted 1004 is further configured to: responding to the second data to be transmitted as the data which is transmitted to the third satellite by the third gateway station accessing the third satellite and then transmitted to the first satellite by the third satellite, and taking a second special network corresponding to the second data to be transmitted as the target network; and responding to the second data to be transmitted, which is the data transmitted to the first satellite by the third satellite after being transmitted to the third satellite by the third terminal equipment accessed to the third satellite, and taking a core network corresponding to the second data to be transmitted as the target network.
In order to implement the foregoing embodiments, an embodiment of the present application further proposes an electronic device 1100, as shown in fig. 11, where the electronic device 1100 includes: the processor 1101 and a memory 1102 communicatively coupled to the processor, the memory 1102 storing instructions executable by the at least one processor, the instructions being executable by the at least one processor 1101 to implement a satellite communication method as shown in the above-described embodiments.
In order to implement the above-described embodiments, the embodiments of the present application also propose a non-transitory computer-readable storage medium storing computer instructions for causing a computer to implement the satellite communication method as shown in the above-described embodiments.
In order to implement the above embodiments, the embodiments of the present application also provide a computer program product comprising a computer program which, when executed by a processor, implements the satellite communication method as shown in the above embodiments.
In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present application and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present application.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present application have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the application, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the application.
Claims (13)
1. A method of satellite communication, performed by a first satellite, comprising:
Receiving first data to be transmitted sent by a first gateway station through a target beam, wherein the target beam is an access beam adopted by first terminal equipment accessed to the first satellite, and the first gateway station and the first terminal equipment access the first satellite by a unified wireless access technology;
And forwarding the first data to be transmitted to a second satellite.
2. The method of claim 1, wherein prior to receiving the first data to be transmitted sent by the first gateway station via the target beam, comprising:
receiving a network access authentication request sent by the first gateway station to the first satellite;
Judging whether the first gateway station meets the condition of network access authentication according to the network access authentication request;
And responding to the condition that the first gateway station meets network access authentication, sending a network access authentication success indication to the first gateway station, wherein the network access authentication success indication is used for indicating the first gateway station to send the first data to be transmitted to the first satellite.
3. The method according to claim 1 or 2, wherein said forwarding said first data to be transmitted to a second satellite comprises:
Acquiring a satellite identifier carried by the first data to be transmitted;
And determining the second satellite from a plurality of candidate satellites according to the satellite identification, and forwarding the first data to be transmitted to the second satellite, wherein the second satellite corresponds to at least one second gateway station accessed to the second satellite and at least one second terminal device accessed to the second satellite.
4. The method according to claim 1, characterized in that the method further comprises:
Receiving second data to be transmitted sent by a third satellite, wherein the second data to be transmitted is data sent to the third satellite by a third gateway station or a third terminal device accessed to the third satellite;
determining a target first gateway station corresponding to the second data to be transmitted from all first gateway stations accessed to the first satellite according to the gateway station identification carried by the second data to be transmitted;
And sending the second data to be transmitted to the target first gateway station.
5. A method of satellite communication, performed by a first gateway station, comprising:
Receiving first data to be transmitted sent to a first gateway station by a first private network;
And transmitting the first data to be transmitted to a first satellite based on a target beam, wherein the target beam is a common beam of the first gateway station and first terminal equipment, and the first gateway station and the first terminal equipment access the first satellite by a unified wireless access technology.
6. The method of claim 5, wherein the transmitting the first data to be transmitted to the first satellite based on the target beam further comprises:
Sending a network access authentication request to the first satellite;
and receiving an access authentication success indication sent by the first satellite to the first gateway station.
7. The method according to claim 5, further comprising:
Receiving second data to be transmitted sent by the first satellite, wherein the second data to be transmitted is data sent to a third satellite by a third gateway station or a third terminal device accessed to the third satellite and then sent to the first satellite by the third satellite;
And sending the second data to be transmitted to a target network.
8. The method of claim 5, wherein the sending the second data to be transmitted to the target network comprises:
responding to the second data to be transmitted as the data which is transmitted to the third satellite by the third gateway station accessing the third satellite and then transmitted to the first satellite by the third satellite, and taking a second special network corresponding to the second data to be transmitted as the target network;
And responding to the second data to be transmitted, which is the data transmitted to the first satellite by the third satellite after being transmitted to the third satellite by the third terminal equipment accessed to the third satellite, and taking a core network corresponding to the second data to be transmitted as the target network.
9. A satellite communications device, comprising:
the first receiving module is used for receiving first data to be transmitted sent by a first gateway station through a target beam, wherein the target beam is an access beam adopted by first terminal equipment accessed to the first satellite, and the first gateway station and the first terminal equipment access the first satellite through a unified wireless access technology;
And the first sending module is used for forwarding the first data to be transmitted to the second satellite.
10. A satellite communications device, comprising:
The second receiving module is used for receiving first data to be transmitted, which is sent to the first gateway station by the first private network;
And the second sending module is used for sending the first data to be transmitted to the first satellite based on a target beam, wherein the target beam is a shared beam of the first gateway station and the first terminal equipment, and the first gateway station and the first terminal equipment access the first satellite through a unified wireless access technology.
11. An electronic device, comprising:
At least one processor; and
A memory communicatively coupled to the at least one processor; wherein,
The memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-4 or claims 5-8.
12. A non-transitory computer readable storage medium storing computer instructions for causing the computer to perform the method of any one of claims 1-4 or claims 5-8.
13. A computer program product comprising a computer program which, when executed by a processor, implements the steps of any of claims 1-4 or claims 5-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310274341.7A CN118677496A (en) | 2023-03-17 | 2023-03-17 | Satellite communication method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310274341.7A CN118677496A (en) | 2023-03-17 | 2023-03-17 | Satellite communication method and device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118677496A true CN118677496A (en) | 2024-09-20 |
Family
ID=92730684
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310274341.7A Pending CN118677496A (en) | 2023-03-17 | 2023-03-17 | Satellite communication method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118677496A (en) |
-
2023
- 2023-03-17 CN CN202310274341.7A patent/CN118677496A/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3993347A1 (en) | Method and device for application migration | |
| US8179840B2 (en) | Method for extending mobile IP and AAA to enable integrated support for local access and roaming access connectivity | |
| EP1697852B1 (en) | Providing location-specific services to a mobile node | |
| CA2655603C (en) | Network selection | |
| US9148373B2 (en) | Network system | |
| US6871065B2 (en) | Mobile communication system, mobile communication method and mobile communication program | |
| US8159988B2 (en) | Relay apparatus, relay method, and recording medium storing relay program | |
| US20110106955A1 (en) | Data communication terminal, proxy device, data communication system, and data communication method | |
| US12028648B2 (en) | Information processing apparatus, information processing method therefor, and computer-readable storage medium | |
| US20120063440A1 (en) | Wireless lan access point device, mobile communication terminal, communication method, and program | |
| EP3890195B1 (en) | Apparatus and methods for g3-plc bootstrap in hybrid networks | |
| US20080165692A1 (en) | Method and system for opportunistic data communication | |
| EP1248413B1 (en) | A method, system, and apparatus for transmitting information to mobile terminals | |
| JP2002199004A (en) | Mobile communication method via IP network | |
| CN118677496A (en) | Satellite communication method and device | |
| CN112054834A (en) | Satellite differential positioning service system compatible with VSLAM and method for providing position service | |
| US20030167341A1 (en) | Communications system, communications method, network manager, and transfer device | |
| US10368388B2 (en) | Method for peer to peer communication and related communication device | |
| EP2600572A2 (en) | Network system | |
| US11206581B2 (en) | Space-based long term evolution (LTE) communications architecture | |
| JPWO2007138652A1 (en) | COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND HANDOVER METHOD | |
| CN103701952A (en) | Downlink transmission method of business data and grouped data gateway | |
| JP3862717B2 (en) | Wireless communication system | |
| JP3785394B2 (en) | Mobile terminal, communication control method, and communication system | |
| US20200137726A1 (en) | Communications device and communication method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |