CN111670603A

CN111670603A - Method, device, user equipment and storage medium for monitoring channel

Info

Publication number: CN111670603A
Application number: CN202080000722.0A
Authority: CN
Inventors: 杨星
Original assignee: Beijing Xiaomi Mobile Software Co Ltd
Current assignee: Beijing Xiaomi Mobile Software Co Ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-09-15
Anticipated expiration: 2040-04-13
Also published as: CN111670603B; WO2021207892A1

Abstract

The embodiment of the disclosure provides a method for monitoring a channel, wherein the method is applied to a terminal and comprises the following steps: determining a Discontinuous Reception (DRX) configuration parameter corresponding to the position of the terminal; and monitoring a direct link SL channel according to the DRX configuration parameters.

Description

Method, device, user equipment and storage medium for monitoring channel

Technical Field

The present disclosure relates to the field of wireless communications technologies, but not limited to the field of wireless technologies, and in particular, to a method and an apparatus for monitoring a channel, a user equipment, and a storage medium.

Background

In order to support direct communication between User Equipment (UE) and UE, a communication mode of a direct link (SL) is introduced, and after the communication mode of the SL is introduced, direct data transmission may be performed between the UE and the UE without using a network device.

In the SL communication, in order to save energy consumption of the UE, the network may configure Discontinuous Reception (DRX) for the UE. However, in the DRX based mechanism, a DRX configuration parameter is configured for the UE, and the active state of the UE is determined according to the running state of a timer configured according to the DRX configuration parameter. In this configuration, the situation that the UE performs unnecessary monitoring on the channel still exists, which causes high power consumption and short endurance time of the UE.

Disclosure of Invention

The embodiment of the disclosure discloses a method and a device for monitoring a channel, user equipment and a storage medium.

According to a first aspect of the embodiments of the present disclosure, there is provided a method for monitoring a channel, where the method is applied in a terminal, and the method includes:

determining a Discontinuous Reception (DRX) configuration parameter corresponding to the position of the terminal;

and monitoring a direct link SL channel according to the DRX configuration parameters.

In one embodiment, different positions of the terminal correspond to different Discontinuous Reception (DRX) configuration parameters; wherein at least one of the following parameters of the different DRX configuration parameters is different: period parameter, offset value parameter, timer duration.

In one embodiment, the determining the DRX configuration parameter corresponding to the location of the terminal includes:

determining a mapping relation between the position of the terminal and Discontinuous Reception (DRX) configuration parameters;

and determining the discontinuous reception DRX configuration parameters corresponding to the position of the terminal according to the mapping relation between the position of the terminal and the discontinuous reception DRX configuration parameters.

In one embodiment, the determining the mapping relationship between the location of the terminal and the discontinuous reception DRX configuration parameters includes:

and receiving the mapping relation between the position of the terminal sent by the base station through the Radio Resource Control (RRC) signaling and the Discontinuous Reception (DRX) configuration parameters.

In one embodiment, the monitoring a SL channel according to the DRX configuration parameter includes:

and responding to the received discontinuous reception DRX configuration parameters, the terminal enters an activated state and monitors a physical direct link control channel (PSCCH) and/or a physical direct link shared channel (PSSCH).

determining corresponding Discontinuous Reception (DRX) configuration parameters based on the area identifier of the area where the terminal is located;

or,

determining corresponding Discontinuous Reception (DRX) configuration parameters based on the longitude and latitude information of the terminal;

or,

and determining corresponding Discontinuous Reception (DRX) configuration parameters based on the channel measurement result of the terminal and the position information of opposite terminal equipment of the channel to be measured.

In one embodiment, the method further comprises:

determining the position coordinates of the position of the terminal;

and according to the area identification of the area to which the position indicated by the position coordinate belongs.

In one embodiment, the method further comprises: and determining the mapping relation between the position coordinates of the terminal and the belonged area, wherein each area has a corresponding area identifier.

In one embodiment, the determining, based on the latitude and longitude information of the terminal, a corresponding DRX configuration parameter includes:

determining whether the distance between the position of the terminal and the reference position is in a first range or not according to the longitude and latitude information;

and in response to the fact that the distance between the position of the terminal and the reference position is within the first range, determining the DRX configuration parameter corresponding to the reference position as the corresponding discontinuous reception DRX configuration parameter.

In an embodiment, the determining a corresponding DRX configuration parameter based on a channel measurement result of the terminal and location information of an opposite device of a channel to be measured includes:

determining whether the distance between the terminal and the opposite terminal equipment is within a second range or not based on the detected receiving power of the reference signal sent by the opposite terminal equipment and the position information of the opposite terminal equipment;

and determining the DRX configuration parameter corresponding to the position of the opposite terminal equipment as the corresponding discontinuous reception DRX configuration parameter in response to the fact that the distance between the terminal and the opposite terminal equipment is within the second range.

In one embodiment, the method further comprises:

and responding to the position change when the terminal is in an activated state, and monitoring the SL channel of the direct connection link based on the corresponding discontinuous reception DRX configuration parameters before the position change.

In one embodiment, the method further comprises:

and in response to the terminal after the position change switching from the active state to the inactive state, monitoring the SL channel of the direct link based on the corresponding DRX configuration parameters after the position change.

In one embodiment, the method further comprises:

and determining that the terminal is in an activated state or an inactivated state according to the position of the terminal.

According to a second aspect of the embodiments of the present disclosure, there is provided an apparatus for monitoring a channel, wherein the apparatus is applied in a terminal, the apparatus includes a monitoring module, wherein,

the listening module configured to: determining a Discontinuous Reception (DRX) configuration parameter corresponding to the position of the terminal; and monitoring a direct link SL channel according to the DRX configuration parameters.

According to a third aspect of the embodiments of the present disclosure, there is provided a communication apparatus, including:

a processor;

a memory for storing the processor-executable instructions;

wherein the processor is configured to: when the executable instructions are executed, the method of any embodiment of the present disclosure is implemented.

According to a fourth aspect of embodiments of the present disclosure, there is provided a computer storage medium storing a computer-executable program which, when executed by a processor, implements the method of any of the embodiments of the present disclosure.

In the embodiment of the disclosure, a Discontinuous Reception (DRX) configuration parameter corresponding to the position of the terminal is determined; and monitoring a direct link SL channel according to the DRX configuration parameters. Here, the time periods of data transmission on the SL channel of the direct link may be different when the terminal is located at different positions, and different DRX configuration parameters may be configured according to the different positions of the terminal, so as to meet the requirement that the terminal needs to monitor the channel at different time periods at different positions. According to the technical scheme, the terminal can flexibly monitor the SL channel of the direct connection link based on the discontinuous reception DRX configuration parameters adaptive to the position of the terminal, so that unnecessary monitoring is reduced, the power consumption of the terminal is reduced, and the endurance time of the terminal is prolonged.

Drawings

Fig. 1 is a schematic diagram of a wireless communication system.

Fig. 2 is a flow chart illustrating a method of listening to a channel in accordance with an example embodiment.

Fig. 3 is a flow chart illustrating a method of listening to a channel in accordance with an example embodiment.

Fig. 4 is a flow chart illustrating a method of listening to a channel in accordance with an example embodiment.

Fig. 5 is a diagram illustrating states of DRX according to an example embodiment.

Fig. 6 is a flow chart illustrating a method of listening to a channel in accordance with an example embodiment.

FIG. 7 is a schematic diagram illustrating regions according to an exemplary embodiment.

Fig. 8a is a flow chart illustrating a method of listening to a channel according to an example embodiment.

FIG. 8b is a schematic diagram illustrating a range of regions according to an example embodiment.

Fig. 9 is a diagram illustrating a method of listening to a channel according to an example embodiment.

Fig. 10 is a flow chart illustrating a method of listening to a channel in accordance with an example embodiment.

Fig. 11 is a diagram illustrating movement of a terminal according to an example embodiment.

Fig. 12 is a diagram illustrating movement of a terminal according to an example embodiment.

Fig. 13 is a flow chart illustrating a method of listening to a channel in accordance with an example embodiment.

Fig. 14 is a flow chart illustrating a method of listening to a channel in accordance with an example embodiment.

Fig. 15 is a block diagram illustrating an apparatus for listening to a channel in accordance with an example embodiment.

Fig. 16 is a block diagram illustrating a user device according to an example embodiment.

Fig. 17 is a block diagram illustrating a base station in accordance with an example embodiment.

Detailed Description

Reference will now be made in detail to the exemplary embodiments, examples of which are illustrated in the accompanying drawings. When the following description refers to the accompanying drawings, like numbers in different drawings represent the same or similar elements unless otherwise indicated. The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with embodiments of the present disclosure. Rather, they are merely examples of apparatus and methods consistent with certain aspects of the disclosed embodiments, as detailed in the appended claims.

The terminology used in the embodiments of the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the embodiments of the present disclosure. As used in the disclosed embodiments and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

It is to be understood that although the terms first, second, third, etc. may be used herein to describe various information in the embodiments of the present disclosure, such information should not be limited by these terms. These terms are only used to distinguish one type of information from another. For example, first information may also be referred to as second information, and similarly, second information may also be referred to as first information, without departing from the scope of embodiments of the present disclosure. The word "if" as used herein may be interpreted as "at … …" or "when … …" or "in response to a determination", depending on the context.

Referring to fig. 1, a schematic structural diagram of a wireless communication system according to an embodiment of the present disclosure is shown. As shown in fig. 1, the wireless communication system is a communication system based on a cellular mobile communication technology, and may include: a number of user equipments 110 and a number of base stations 120.

User device 110 may refer to, among other things, a device that provides voice and/or data connectivity to a user. The user equipment 110 may communicate with one or more core networks via a Radio Access Network (RAN), and the user equipment 110 may be internet of things user equipment, such as a sensor device, a mobile phone (or "cellular" phone), and a computer having the internet of things user equipment, and may be a fixed, portable, pocket, handheld, computer-included, or vehicle-mounted device, for example. For example, a Station (STA), a subscriber unit (subscriber unit), a subscriber Station (subscriber Station), a mobile Station (mobile), a remote Station (remote Station), an access point, a remote user equipment (remote), an access user equipment (access terminal), a user equipment (user terminal), a user agent (user agent), a user equipment (user device), or a user equipment (user equipment). Alternatively, user device 110 may also be a device of an unmanned aerial vehicle. Alternatively, the user device 110 may also be a vehicle-mounted device, for example, a vehicle computer with a wireless communication function, or a wireless user device externally connected to the vehicle computer. Alternatively, the user device 110 may be a roadside device, for example, a street lamp, a signal lamp or other roadside device with a wireless communication function.

The base station 120 may be a network side device in a wireless communication system. The wireless communication system may be a fourth generation mobile communication (4G) system, which is also called a Long Term Evolution (LTE) system; alternatively, the wireless communication system may be a 5G system, which is also called a new air interface system or a 5G NR system. Alternatively, the wireless communication system may be a next-generation system of a 5G system. Among them, the Access Network in the 5G system may be referred to as NG-RAN (New Generation-Radio Access Network, New Generation Radio Access Network).

The base station 120 may be an evolved node b (eNB) used in a 4G system. Alternatively, the base station 120 may be a base station (gNB) adopting a centralized distributed architecture in the 5G system. When the base station 120 adopts a centralized distributed architecture, it generally includes a Centralized Unit (CU) and at least two Distributed Units (DUs). A Packet Data Convergence Protocol (PDCP) layer, a Radio Link layer Control Protocol (RLC) layer, and a Media Access Control (MAC) layer are provided in the central unit; a Physical (PHY) layer protocol stack is disposed in the distribution unit, and the embodiment of the present disclosure does not limit the specific implementation manner of the base station 120.

The base station 120 and the user equipment 110 may establish a radio connection over a radio air interface. In various embodiments, the wireless air interface is based on a fourth generation mobile communication network technology (4G) standard; or the wireless air interface is based on a fifth generation mobile communication network technology (5G) standard, for example, the wireless air interface is a new air interface; alternatively, the wireless air interface may be a wireless air interface based on a 5G next generation mobile communication network technology standard.

In some embodiments, an E2E (End to End) connection may also be established between user devices 110. Scenarios such as V2V (vehicle to vehicle) communication, V2I (vehicle to Infrastructure) communication, and V2P (vehicle to vehicle) communication in vehicle networking communication (V2X).

Here, the user equipment described above may be regarded as the terminal equipment of the following embodiments.

In some embodiments, the wireless communication system may further include a network management device 130.

Several base stations 120 are connected to the network management device 130, respectively. The network Management device 130 may be a Core network device in a wireless communication system, for example, the network Management device 130 may be a Mobility Management Entity (MME) in an Evolved Packet Core (EPC). Alternatively, the Network management device may also be other core Network devices, such as a Serving GateWay (SGW), a Public Data Network GateWay (PGW), a Policy and Charging Rules Function (PCRF), a Home Subscriber Server (HSS), or the like. The implementation form of the network management device 130 is not limited in the embodiment of the present disclosure.

As shown in fig. 2, the present embodiment provides a method for monitoring a channel, where the method is applied in a terminal, and the method includes:

step 21, determining Discontinuous Reception (DRX) configuration parameters corresponding to the position of the terminal.

And step 22, monitoring a direct link (SL, Silelink) channel according to the DRX configuration parameters.

Here, the terminal may be, but is not limited to, a mobile phone, a wearable device, a vehicle-mounted terminal, a smart home terminal, an industrial sensing device, and/or a medical device.

In one embodiment, the terminal may be a terminal located at a fixed location. For example, a Road Side Unit (RSU) installed on a roadside, an industrial sensor device installed on an industrial line, and the like.

In one embodiment, the terminal may be a mobile terminal. Such as a vehicle mounted terminal, a wearable device, etc.

In an embodiment, in a communication method based on the direct link SL, the terminal may be used as a transmitting end or a receiving end.

In one embodiment, the terminal may trigger the positioning sensor to acquire the information of the position where the terminal is located when the terminal position moves.

In one embodiment, the location of the terminal may be a geographic location.

In one embodiment, the location of the terminal may be represented by a location coordinate. For example, the terminal is at the point of coordinates a (a, b).

In one embodiment, the location of the terminal may be represented by a region. For example, the location where the terminal may appear may be divided into a plurality of regions of equal area, such as a region a, B region C region, etc., and when the terminal enters the region a, the terminal is located in the region a.

In one embodiment, the terminal may acquire coordinates of the terminal in real time by using the positioning sensor, and determine the current area where the terminal is located according to a relationship between the coordinates and a preset area. For example, the obtained coordinates of the terminal are a (x, y), and a is located in the area range corresponding to the B area, then the location of the terminal is the B area.

In one embodiment, the location of the terminal is a spatial location. In one embodiment, the terminals are located at different positions when the terminals are located on the 1 st floor and the 10 th floor in the same building.

In one embodiment, the terminal may be located at a relative position with respect to a fixed reference point.

In one embodiment, the terminal may be located at a relative position with respect to a certain moving reference point. For example, when the terminal performs SL communication, the terminal is located at a position corresponding to the opposite device that has moved.

In one embodiment, it may be the base station that configures the terminal with the discontinuous reception DRX configuration parameters.

In another embodiment, the user may configure the terminal with the discontinuous reception DRX configuration parameter.

In one embodiment, Discontinuous Reception (DRX) configuration parameters are configured for a terminal in advance.

In one embodiment, the discontinuous reception DRX configuration parameters configured by the terminal at different locations are different. For example, the position a is a road junction in a remote mountain area, the terminal is a monitoring camera, and the terminal generally only needs to work in the daytime (corresponding to the first time period) and does not need to work in the evening (corresponding to the second time period). I.e., there is data transmission (e.g., video data) with the peer device during the first time period, and there is no data transmission with the peer device during the second time period. According to the working time period of the monitoring camera, the discontinuous reception DRX configuration parameters that the monitoring camera monitors the SL channel in the first time period and does not monitor the SL channel in the second time period can be configured, so that unnecessary monitoring is reduced, the power consumption of the monitoring camera is reduced, and the endurance time of the terminal is prolonged.

In one embodiment, the discontinuous reception DRX configuration parameters configured by different types of terminals at the same location may be different. For example, the road condition equipment at the same position includes a monitoring terminal and a fault detection terminal. The monitoring terminal only needs to monitor the road condition in a time period with large traffic flow and transmit the monitoring data to the opposite terminal server. In order to comprehensively detect various devices in the road condition devices in real time, the fault detection terminal needs to continuously detect the road condition devices and transmit detection data to the opposite-end server. Here, different DRX configuration parameters may be set according to the need for the monitoring terminal and the failure detection terminal to transmit data at different periods.

In one embodiment, the DRX configuration parameter is used at least to configure the terminal to operate in an active state or an inactive state.

In one embodiment, the active state may be a state in which the terminal needs to listen to the SL channel; the inactive state may be a state in which the terminal does not need to listen to the SL channel.

In an embodiment, when the terminal operates in the inactive state, the terminal may turn off the wireless transceiver circuit, and stop monitoring the SL channel of the direct link.

In another embodiment, the terminal may turn on the transceiver circuit to monitor the SL channel when the terminal is operating in the active state.

In one embodiment, listening to the SL channel may be detecting the SL channel to determine whether there is data transmission on the SL channel.

In one embodiment, the signal strength of a signal on a SL channel of a direct link is detected, and when the signal strength on the SL channel of the direct link is greater than a threshold, it is determined that there is data transmission on the SL channel of the direct link; and when the signal intensity on the SL channel of the direct link is smaller than a threshold value, determining that no data is transmitted on the SL channel of the direct link.

In one embodiment, in the SL-based communication scheme, the DRX configuration parameter may include at least one of: the configuration parameters include configuration parameters of an inactivity Timer, configuration parameters of an awake Timer, a period parameter and a start offset parameter, configuration parameters of an uplink Hybrid Automatic Repeat reQuest (HARQ) Real-time Timer (RRT), configuration parameters of a downlink HARQ Real-time Timer, configuration parameters of an uplink retransmission Timer, and/or configuration parameters of a downlink retransmission Timer. Here, the period, the start offset, and the configuration parameters of the awake timer may be used to determine a period start time point of the awake timer.

In one embodiment, different positions of the terminal correspond to different Discontinuous Reception (DRX) configuration parameters; wherein at least one of the following parameters of different DRX configuration parameters is different: period parameter, offset value parameter, timer duration.

In one embodiment, the period parameter, the offset value parameter, and the timer duration may be used to determine a period start time point for the wakeup timer.

In the embodiment of the present disclosure, the time periods of data transmission on the SL channel of the direct link may be different when the terminal is located at different positions, and different DRX configuration parameters may be configured according to the different positions of the terminal, so as to meet the requirement that the terminal needs to monitor the channel at different time periods at different positions. According to the technical scheme, the terminal can flexibly monitor the SL channel of the direct connection link based on the discontinuous reception DRX configuration parameters adaptive to the position of the terminal, unnecessary monitoring is reduced, the power consumption of the terminal is reduced, and the endurance time of the terminal is prolonged.

As shown in fig. 3, this embodiment further provides a method for monitoring a channel, wherein in step 21, determining a DRX configuration parameter corresponding to a location of a terminal includes:

step 31, determining the mapping relation between the position of the terminal and the discontinuous reception DRX configuration parameters.

And step 32, determining the discontinuous reception DRX configuration parameters corresponding to the position of the terminal according to the mapping relation between the position of the terminal and the discontinuous reception DRX configuration parameters.

In one embodiment, the mapping relationship between the location of the terminal and the discontinuous reception DRX configuration parameters may be determined by: the base station is configured to the UE through signaling; or, may be determined according to the communication protocol employed; or, the parameter information or the configuration information may be calculated according to the parameter information or the configuration information configured to the UE by the base station; alternatively, it may be determined from historical information; or may be determined in any other way.

In one embodiment, the mapping relationship between the location of the terminal and the discontinuous reception DRX configuration parameters may be sent to the terminal by the base station through radio resource control RRC signaling. Here, the base station may be an access device for the user equipment to access the mobile network. The base station may be various types of base stations, for example, the base station is a 3G base station, a 4G base station, or a 5G base station, and may also be a base station of any subsequent generation communication standard.

In one embodiment, the base station may send the terminal a set of configuration parameters including a mapping relationship between the location of the terminal and the discontinuous reception DRX configuration parameters. The configuration parameter set comprises DRX configuration parameter information corresponding to any position where the terminal is located.

In one embodiment, the configuration parameter set contains information as shown in table one. The configuration parameter set comprises information of the position of the terminal and information of Discontinuous Reception (DRX) configuration parameters of the position of the terminal. Configuring a first Discontinuous Reception (DRX) configuration parameter corresponding to a position A in a parameter set; the position B corresponds to a second discontinuous reception DRX configuration parameter; the location C corresponds to a third discontinuous reception DRX configuration parameter.

Table one, information schematic table contained in configuration parameter set

In an embodiment, after the terminal determines the location of the terminal by positioning, the terminal may query, in the configuration parameter set, the discontinuous reception DRX configuration parameters corresponding to the location of the terminal.

In one embodiment, Radio Resource Control (RRC) signaling is received carrying a mapping relationship.

Here, the radio resource control RRC signaling may be an RRC connection reconfiguration (ConnectionReconfiguration) message or may be system information.

As shown in fig. 4, this embodiment further provides a method for monitoring a channel, wherein in step 21, monitoring a SL channel of a direct link according to DRX configuration parameters includes:

step 41, in response to the received DRX configuration parameter, the terminal enters an active state, and monitors a Physical direct link Control Channel (PSCCH) and/or a Physical direct link shared Channel (PSCCH).

In one embodiment, referring to fig. 5, one DRX configuration cycle includes two phases, an active state and an inactive state, according to the configuration of the DRX configuration parameters corresponding to the location of the terminal.

In one embodiment, when the terminal enters an inactive state, the terminal needs to turn off the wireless transceiver circuit and stop monitoring the SL channel of the direct link.

In another embodiment, when the terminal enters the active state, the terminal needs to turn on the wireless transceiver circuit to monitor the SL channel of the direct link.

In one embodiment, when the terminal is in an activated state, the terminal starts a wireless transceiver circuit, detects a physical direct link control channel PSCCH and/or a physical direct link shared channel PSCCH, and receives a data packet transmitted by an opposite terminal device through the direct link control channel PSCCH and/or the physical direct link shared channel PSCCH.

As shown in fig. 6, this embodiment further provides a method for monitoring a channel, wherein in step 21, determining a DRX configuration parameter corresponding to a location of a terminal includes:

step 61, determining corresponding Discontinuous Reception (DRX) configuration parameters based on the area identification of the area where the terminal is located;

or,

determining corresponding Discontinuous Reception (DRX) configuration parameters based on longitude and latitude information of the terminal;

or,

and determining corresponding Discontinuous Reception (DRX) configuration parameters based on the channel measurement result of the terminal and the position information of opposite terminal equipment of the measured channel.

In one embodiment, the area in which the terminal may be present may be divided into different sub-areas. In one embodiment, the region in which the terminal may appear is divided into a plurality of rectangular sub-regions of equal area, each of which is represented by a different region identifier. For example, the a rectangular subregion may be represented by "001"; the B rectangular sub-region may be denoted by "010".

In one embodiment, a positioning sensor is arranged in the terminal, the terminal can position the position of the terminal in real time by using the positioning sensor to obtain a positioning coordinate, the positioning coordinate is compared with preset area information after being obtained, the area where the terminal is located is determined, and the area identification information of the area where the terminal is located is obtained.

In one embodiment, the location coordinates may be latitude and longitude coordinates.

In one embodiment, referring to fig. 7, the area of the a rectangular sub-area is labeled as "001", and the coordinates of the four corners of the a rectangular sub-area are a₁(200,400)、A₂(600,400)、A₃(200,0)、A₄(600,0). The coordinates of the position of the terminal obtained by the terminal positioning are (50,200), the coordinates (50,200) are positioned in the A rectangular subregion, and the terminal can be determinedThe area at which the location is located is identified as "001".

In one embodiment, the method further comprises: determining the position coordinates of the position of the terminal; and according to the area identification of the area to which the position indicated by the position coordinate belongs. Here, referring to fig. 7 again, the position coordinates of the position where the positioning acquisition terminal is located are (50,200), and the area of the area to which the position indicated by the position coordinates belongs is identified as "001".

In one embodiment, please refer to table two, which illustrates the correspondence between the area identifier and the discontinuous reception DRX configuration parameter.

Watch two

Region(s)	Region identification	Corresponding Discontinuous Reception (DRX) configuration parameters
			A rectangular subregion	001	First Discontinuous Reception (DRX) configuration parameter
B rectangular subregion	010	Second Discontinuous Reception (DRX) configuration parameter
			C rectangular subregion	100	Third Discontinuous Reception (DRX) configuration parameter

In an embodiment, the channel measurement result may be a signal strength of a reference signal sent by the peer device detected by the terminal, a relative distance between the terminal and the peer device may be determined according to the signal strength, and the location of the terminal may be determined according to the relative distance and location information of the peer device.

In one embodiment, the peer device may be a mobile device.

In an embodiment, the peer device may send the location information of the current location to the terminal in real time.

In one embodiment, a mapping relationship between the position coordinates of the terminal and the region to which the terminal belongs is determined, wherein each region has a corresponding region identifier.

In one embodiment, the mapping relationship between the position coordinates of the terminal and the belonging area may be determined by: the base station is configured to the UE through signaling; or, may be determined according to the communication protocol employed; or, the parameter information or the configuration information may be calculated according to the parameter information or the configuration information configured to the UE by the base station; alternatively, it may be determined from historical information; or may be determined in any other way.

As shown in fig. 8a, this embodiment further provides a method for monitoring a channel, where in step 61, determining a corresponding DRX configuration parameter based on latitude and longitude information of a terminal includes:

and step 81, determining whether the distance between the position of the terminal and the reference position is in the first range or not according to the longitude and latitude information.

In one embodiment, please refer to fig. 8b, the latitude and longitude coordinates of the reference location are: north latitude 28.19, east longitude 112.98, first range a. If the position of the terminal is in a circular area with the longitude and latitude coordinates as the circle center and A as the radius, the distance between the position of the terminal and the reference position is in a first range; and if the position of the terminal is not in the circular area with the longitude and latitude coordinates as the center of the circle and A as the radius, the distance between the position of the terminal and the reference position is not in the first range.

And step 82, responding to the distance between the position of the terminal and the reference position being in the first range, and determining the DRX configuration parameter corresponding to the reference position as the corresponding discontinuous reception DRX configuration parameter.

In one embodiment, a plurality of reference positions are uniformly distributed in an area where a terminal may appear, and the DRX configuration parameters corresponding to each reference position may be different.

In one embodiment, the terminal selects a reference location having a distance from the location of the terminal within a first range. And when a plurality of reference positions exist, determining the DRX configuration parameter corresponding to the reference position with the shortest distance between the positions of the terminals as the corresponding discontinuous reception DRX configuration parameter.

As shown in fig. 9, this embodiment further provides a method for monitoring a channel, wherein in step 61, determining a corresponding DRX configuration parameter based on a channel measurement result of a terminal and location information of an opposite device of a channel to be measured includes:

step 91, determining whether the distance between the terminal and the peer device is within the second range based on the detected receiving power of the peer device sending the reference signal and the location information of the peer device.

In one embodiment, the peer device may be a device that performs SL communication with the terminal. Here, the peer device may be a fixed device or a moving device. Here, the peer device corresponds to a SL terminal identifier of a direct link. The terminal can select the opposite terminal device according to the terminal identifier of the direct link SL and perform the SL communication with the opposite terminal device.

In an embodiment, the SL terminal identifier of the direct link is used to identify a ue in the direct link, and the bit length occupied by the SL terminal identifier of the direct link may be 24 bits. When the user equipment sends data on the direct link, the user equipment carries a corresponding source direct link SL terminal identifier and a target direct link SL terminal identifier, and the user equipment receiving the data judges whether the data should be received or not according to the direct link SL terminal identifier.

In one embodiment, the terminal may request the peer device to send the reference signal to the terminal, or the peer device may actively send the reference information to the terminal.

In one embodiment, the terminal may detect a reference signal transmitted by the peer device, and obtain a received power of the reference signal. The relative distance between the terminal and the opposite terminal equipment can be determined according to the size of the received power.

In one embodiment, the location information of the peer device may include longitude and latitude information of the peer device.

And step 92, in response to that the distance between the terminal and the opposite terminal device is within the second range, determining the DRX configuration parameter corresponding to the position of the opposite terminal device as the corresponding DRX configuration parameter for discontinuous reception.

In one embodiment, different peer devices may correspond to different DRX configuration parameters.

In an embodiment, when a plurality of peer devices exist around a terminal, determining a DRX configuration parameter corresponding to a location of the peer device with a shortest distance between the peer devices as a corresponding DRX discontinuous reception configuration parameter.

As shown in fig. 10, this embodiment further provides a method for listening to a channel, where the method further includes:

step 101, in response to a position change when the terminal is in an active state, monitoring a SL channel of the direct link based on a corresponding DRX configuration parameter before the position change.

In an embodiment, referring to fig. 11, when the terminal in the active state moves from the C area to the D area, and the DRX configuration parameter corresponding to the C area is different from the DRX configuration parameter corresponding to the D area, the terminal monitors the SL channel based on the DRX configuration parameter corresponding to the C area before switching from the active state to the inactive state.

In one embodiment, referring to fig. 12, when the terminal in the active state moves from the E position (corresponding to one coordinate point) to the F position (corresponding to another coordinate point), and the DRX configuration parameter corresponding to the E position is different from the DRX configuration parameter corresponding to the F position, the terminal monitors the SL channel of the direct link based on the DRX configuration parameter corresponding to the E position before switching from the active state to the inactive state.

In the embodiment of the present disclosure, when the terminal is in an active state, the non-connection reception DRX configuration parameter of the SL channel that the terminal monitors the direct link is not changed, thereby reducing a situation that the terminal cannot receive data being transmitted due to the change of the non-connection reception DRX configuration parameter.

As shown in fig. 13, this embodiment further provides a method for monitoring a channel, where the method further includes:

step 131, in response to the terminal after the location change switching from the active state to the inactive state, monitoring the SL channel of the direct link based on the corresponding DRX configuration parameter after the location change.

In an embodiment, referring to fig. 11 again, the terminal in the active state moves from the C area to the D area, and the DRX configuration parameter corresponding to the C area is different from the DRX configuration parameter corresponding to the D area, and monitors the SL channel based on the DRX configuration parameter corresponding to the C area before the terminal switches from the active state to the inactive state; and after the terminal is switched from the active state to the inactive state, monitoring a direct link SL channel based on the non-connection receiving DRX configuration parameters corresponding to the D area. In this way, the updating of the non-connected reception DRX configuration parameters does not interrupt the data reception of the terminal.

In one embodiment, please refer to fig. 12 again, when the terminal in the active state moves from the E position (corresponding to one coordinate point) to the F position (corresponding to another coordinate point), and the DRX configuration parameter corresponding to the E position is different from the DRX configuration parameter corresponding to the F position, the terminal monitors the SL channel of the direct link based on the DRX configuration parameter corresponding to the E position before switching from the active state to the inactive state; and after the terminal is switched from the active state to the inactive state, monitoring a direct connection link SL channel based on the discontinuous reception DRX configuration parameter corresponding to the F position. The updating of the non-connected reception DRX configuration parameter does not interrupt data reception of the terminal.

As shown in fig. 14, this embodiment further provides a method for monitoring a channel, where the method further includes:

step 141, determining that the terminal is in an activated state or an inactivated state according to the position of the terminal.

In one embodiment, the terminal is a sensor on the pipeline, and data transmission with the outside is prohibited in a security shielding area of a factory, so that the sensor can be determined to be always in an inactive state.

In one embodiment, the terminal is a road side unit, and when a vehicle passes through a red road lamp intersection without interruption, direct link SL communication is required to be performed between the terminal and the server, so that the road side unit can be determined to be always in an activated state.

As shown in fig. 15, the embodiment of the present disclosure provides an apparatus for listening to a channel, wherein the apparatus is applied in a terminal, and the apparatus includes a determining module 151 and a listening module 152, wherein,

a determining module 151 configured to determine a Discontinuous Reception (DRX) configuration parameter corresponding to a location of the terminal;

a monitoring module 152 configured to monitor a direct link SL channel according to DRX configuration parameters.

In one embodiment, the determining module 151 is further configured to: different positions of the terminal correspond to different discontinuous reception DRX configuration parameters; wherein at least one of the following parameters of different DRX configuration parameters is different: period parameter, offset value parameter, timer duration.

In one embodiment, the determining module is further configured to: determining a mapping relation between the position of the terminal and Discontinuous Reception (DRX) configuration parameters; and determining the discontinuous reception DRX configuration parameters corresponding to the position of the terminal according to the mapping relation between the position of the terminal and the discontinuous reception DRX configuration parameters.

In one embodiment, the determining module 151 is further configured to:

In one embodiment, the listening module 152 is further configured to:

In one embodiment, the determining module 151 is further configured to:

determining corresponding Discontinuous Reception (DRX) configuration parameters based on the area identification of the area where the terminal is located;

or,

In one embodiment, the determining module 151 is further configured to:

determining the position coordinates of the position of the terminal;

In one embodiment, the determining module 151 is further configured to: and determining the mapping relation between the position coordinates of the terminal and the belonged area, wherein each area has a corresponding area identifier.

In one embodiment, the determining module 151 is further configured to:

and determining the DRX configuration parameter corresponding to the reference position as the corresponding discontinuous reception DRX configuration parameter in response to the distance between the position of the terminal and the reference position being within a first range.

In one embodiment, the determining module 151 is further configured to:

and in response to the fact that the distance between the terminal and the opposite terminal device is within the second range, determining the DRX configuration parameter corresponding to the position of the opposite terminal device as the corresponding DRX configuration parameter of discontinuous reception.

In one embodiment, the listening module 152 is further configured to:

and responding to the position change when the terminal is in an activated state, and monitoring a direct connection link SL channel based on the corresponding discontinuous reception DRX configuration parameter before the position change.

In one embodiment, the listening module 152 is further configured to:

and in response to the terminal after the position change switching from the active state to the inactive state, monitoring a direct link SL channel based on the corresponding DRX configuration parameters after the position change.

In one embodiment, the determining module 151 is further configured to:

With regard to the apparatus in the above-described embodiment, the specific manner in which each module performs the operation has been described in detail in the embodiment related to the method, and will not be elaborated here.

An embodiment of the present disclosure provides a communication device, including:

a processor;

a memory for storing the processor-executable instructions;

wherein the processor is configured to: when the executable instructions are executed, the method applied to any embodiment of the disclosure is realized.

The processor may include, among other things, various types of storage media, which are non-transitory computer storage media capable of continuing to remember the information stored thereon after a power loss to the communication device.

The processor may be connected to the memory via a bus or the like for reading the executable program stored on the memory.

The embodiment of the present disclosure further provides a computer storage medium, wherein the computer storage medium stores a computer executable program, and the executable program is executed by a processor to implement the method according to any embodiment of the present disclosure. .

Fig. 16 is a block diagram illustrating a User Equipment (UE)800 according to an example embodiment. For example, user device 800 may be a mobile phone, a computer, a digital broadcast user device, a messaging device, a gaming console, a tablet device, a medical device, an exercise device, a personal digital assistant, and so forth.

Referring to fig. 16, user device 800 may include one or more of the following components: processing component 802, memory 804, power component 806, multimedia component 808, audio component 810, input/output (I/O) interface 812, sensor component 814, and communication component 816.

The processing component 802 generally controls overall operation of the user device 800, such as operations associated with display, telephone calls, data communications, camera operations, and recording operations. The processing components 802 may include one or more processors 820 to execute instructions to perform all or a portion of the steps of the methods described above. Further, the processing component 802 can include one or more modules that facilitate interaction between the processing component 802 and other components. For example, the processing component 802 can include a multimedia module to facilitate interaction between the multimedia component 808 and the processing component 802.

Memory 804 is configured to store various types of data to support operations at user device 800. Examples of such data include instructions for any application or method operating on user device 800, contact data, phonebook data, messages, pictures, videos, and so forth. The memory 804 may be implemented by any type or combination of volatile or non-volatile memory devices such as Static Random Access Memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic memory, flash memory, magnetic or optical disks.

The power component 806 provides power to the various components of the user device 800. Power components 806 may include a power management system, one or more power sources, and other components associated with generating, managing, and distributing power for user device 800.

The multimedia component 808 comprises a screen providing an output interface between the user device 800 and the user. In some embodiments, the screen may include a Liquid Crystal Display (LCD) and a Touch Panel (TP). If the screen includes a touch panel, the screen may be implemented as a touch screen to receive an input signal from a user. The touch panel includes one or more touch sensors to sense touch, slide, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or slide action, but also detect the duration and pressure associated with the touch or slide operation. In some embodiments, the multimedia component 808 includes a front facing camera and/or a rear facing camera. The front camera and/or the rear camera may receive external multimedia data when the user equipment 800 is in an operation mode, such as a photographing mode or a video mode. Each front camera and rear camera may be a fixed optical lens system or have a focal length and optical zoom capability.

The audio component 810 is configured to output and/or input audio signals. For example, the audio component 810 includes a Microphone (MIC) configured to receive external audio signals when the user device 800 is in an operational mode, such as a call mode, a recording mode, and a voice recognition mode. The received audio signals may further be stored in the memory 804 or transmitted via the communication component 816. In some embodiments, audio component 810 also includes a speaker for outputting audio signals.

The I/O interface 812 provides an interface between the processing component 802 and peripheral interface modules, which may be keyboards, click wheels, buttons, etc. These buttons may include, but are not limited to: a home button, a volume button, a start button, and a lock button.

Sensor component 814 includes one or more sensors for providing various aspects of state assessment for user device 800. For example, sensor assembly 814 may detect an open/closed state of device 800, the relative positioning of components, such as a display and keypad of user device 800, sensor assembly 814 may also detect a change in the position of user device 800 or a component of user device 800, the presence or absence of user contact with user device 800, the orientation or acceleration/deceleration of user device 800, and a change in the temperature of user device 800. Sensor assembly 814 may include a proximity sensor configured to detect the presence of a nearby object without any physical contact. The sensor assembly 814 may also include a light sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor assembly 814 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor, or a temperature sensor.

Communications component 816 is configured to facilitate communications between user device 800 and other devices in a wired or wireless manner. The user equipment 800 may access a wireless network based on a communication standard, such as WiFi, 2G or 3G, or a combination thereof. In an exemplary embodiment, the communication component 816 receives a broadcast signal or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 816 further includes a Near Field Communication (NFC) module to facilitate short-range communications. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, infrared data association (IrDA) technology, Ultra Wideband (UWB) technology, Bluetooth (BT) technology, and other technologies.

In an exemplary embodiment, the user device 800 may be implemented by one or more Application Specific Integrated Circuits (ASICs), Digital Signal Processors (DSPs), Digital Signal Processing Devices (DSPDs), Programmable Logic Devices (PLDs), Field Programmable Gate Arrays (FPGAs), controllers, micro-controllers, microprocessors or other electronic components for performing the above-described methods.

In an exemplary embodiment, a non-transitory computer-readable storage medium comprising instructions, such as the memory 804 comprising instructions, executable by the processor 820 of the user device 800 to perform the above-described method is also provided. For example, the non-transitory computer readable storage medium may be a ROM, a Random Access Memory (RAM), a CD-ROM, a magnetic tape, a floppy disk, an optical data storage device, and the like.

As shown in fig. 17, an embodiment of the present disclosure shows a structure of a base station. For example, the base station 900 may be provided as a network side device. Referring to fig. 17, base station 900 includes a processing component 922, which further includes one or more processors, and memory resources, represented by memory 932, for storing instructions, such as applications, that are executable by processing component 922. The application programs stored in memory 932 may include one or more modules that each correspond to a set of instructions. Further, the processing component 922 is configured to execute instructions to perform any of the methods described above as applied to the base station, e.g., the methods shown in fig. 2-6.

The base station 900 may also include a power supply component 926 configured to perform power management of the base station 900, a wired or wireless network interface 950 configured to connect the base station 900 to a network, and an input/output (I/O) interface 958. The base station 900 may operate based on an operating system stored in memory 932, such as Windows Server (TM), Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM, or the like.

Other embodiments of the invention will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This disclosure is intended to cover any variations, uses, or adaptations of the invention following, in general, the principles of the invention and including such departures from the present disclosure as come within known or customary practice within the art to which the invention pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the invention being indicated by the following claims.

It will be understood that the invention is not limited to the precise arrangements described above and shown in the drawings and that various modifications and changes may be made without departing from the scope thereof. The scope of the invention is limited only by the appended claims.

Claims

1. A method for monitoring a channel, wherein the method is applied to a terminal, and the method comprises the following steps:

2. The method of claim 1, wherein different locations of the terminal correspond to different Discontinuous Reception (DRX) configuration parameters; wherein at least one of the following parameters of the different DRX configuration parameters is different: period parameter, offset value parameter, timer duration.

3. The method of claim 1, wherein the determining Discontinuous Reception (DRX) configuration parameters corresponding to the location of the terminal comprises:

4. The method of claim 3, wherein the determining a mapping relationship between a location of a terminal and Discontinuous Reception (DRX) configuration parameters comprises:

5. The method of claim 1, wherein the monitoring a direct link (SL) channel according to the DRX configuration parameter comprises:

6. The method of claim 1, wherein the determining Discontinuous Reception (DRX) configuration parameters corresponding to the location of the terminal comprises:

or,

7. The method of claim 6, wherein the method further comprises:

determining the position coordinates of the position of the terminal;

8. The method of claim 6, wherein the method further comprises: and determining the mapping relation between the position coordinates of the terminal and the belonged area, wherein each area has a corresponding area identifier.

9. The method of claim 6, wherein the determining the corresponding Discontinuous Reception (DRX) configuration parameter based on the latitude and longitude information of the terminal comprises:

10. The method according to claim 6, wherein the determining the corresponding DRX configuration parameter based on the channel measurement result of the terminal and the location information of the opposite device of the channel to be measured comprises:

11. The method of claim 1, wherein the method further comprises:

12. The method of claim 11, wherein the method further comprises:

13. The method of claim 1, wherein the method further comprises:

14. An apparatus for monitoring a channel, wherein the apparatus is applied in a terminal, the apparatus comprises a determining module and a monitoring module, wherein,

the determining module is configured to determine a Discontinuous Reception (DRX) configuration parameter corresponding to a location of the terminal;

the monitoring module is configured to monitor a direct link (SL) channel according to the DRX configuration parameter.

15. A communication device, comprising:

an antenna;

a memory;

a processor, coupled to the antenna and the memory, respectively, configured to control the transceiving of the antenna by executing computer-executable instructions stored on the memory, and to implement the method provided by any of claims 1 to 13.

16. A computer storage medium having stored thereon computer-executable instructions capable, when executed by a processor, of carrying out the method provided in any one of claims 1 to 13.