WO2023065127A1

WO2023065127A1 - Method and apparatus for transmitting paging message, and storage medium

Info

Publication number: WO2023065127A1
Application number: PCT/CN2021/124793
Authority: WO
Inventors: 杨星
Original assignee: 北京小米移动软件有限公司
Priority date: 2021-10-19
Filing date: 2021-10-19
Publication date: 2023-04-27
Also published as: CN114128364A; CN114128364B

Abstract

The present disclosure provides a method and apparatus for transmitting a paging message, and a readable storage medium. The method comprises: sending a paging indication to a remote user equipment (UE), wherein the paging indication is used for indicating a paging message sent by a network device to the remote UE; and sending a feedback indication to the network device based on whether the paging indication is sent to a corresponding remote UE, wherein the feedback indication is used for indicating whether the paging message is sent successfully. In embodiments of the present disclosure, after a relay UE sends the paging indication to the remote UE, the feedback indication can be sent to the network device according to the forwarding condition, such that the network device can know whether the paging message is successfully sent or not in time. When the paging message fails to be sent, the network device can retransmit the paging message in time, thereby ensuring that the paging message is successfully sent to the remote UE without being lost.

Description

A method, device and storage medium for transmitting paging messages

technical field

The present disclosure relates to the technical field of wireless communication, and in particular to a method, device and readable storage medium for transmitting paging messages.

Background technique

In order to support direct communication between user equipment (User Equipment, UE) and UE, a sidelink (sidelink) communication mode is introduced. The user equipment can directly communicate with the base station, and when the remote user equipment is far away from the network coverage of the base station, it can also implement relay communication with the base station through another user equipment serving as a relay node.

In relay communication, the user equipment not directly connected to the base station equipment is called remote user equipment (remote user equipment, remote UE), and the user equipment serving as a relay node is called relay user equipment (relay user equipment, relay UE). ).

When the relay UE is in the connected state and the remote UE is in the idle state or inactive state, the base station can send the paging message to the relay UE, and forward the paging message to the remote UE through the relay UE.

Contents of the invention

In view of this, the present disclosure provides a method, device and readable storage medium for transmitting paging messages.

According to the first aspect of the embodiments of the present disclosure, there is provided a method for transmitting a paging message, the method is performed by a relay user equipment UE, including:

sending a paging indication to a remote user equipment UE, where the paging indication is used to indicate a paging message sent by a network device to the remote UE;

Sending a feedback indication to the network device based on whether the paging indication is sent to the corresponding remote user equipment UE, where the feedback indication is used to indicate whether the paging message is sent successfully.

With this method, after the relay UE receives the paging message sent by the network equipment and sends the paging indication to the remote UE, it can also send a feedback indication to the network equipment according to the forwarding situation, so that the network equipment can know the paging information of this time in a timely manner. Whether the paging message is successfully sent to the remote UE. When the paging message fails to be sent, the network device can resend the paging message in time to ensure that the paging message can be successfully sent to the remote UE without being lost.

In a possible implementation manner, before the step of sending the paging indication to the remote user equipment UE, the method further includes: receiving a paging message sent by the network device.

In one possible implementation,

The paging indication includes the paging message, and the paging message includes an identifier of at least one remote UE.

In a possible implementation manner, the identifier of the remote UE includes at least one of the following:

The 5G service temporary mobile subscriber identity 5G-S-TMSI of the remote UE,

The inactive radio network temporary identifier I-RNTI of the remote UE,

The sidelink identifier of the remote UE.

In one possible implementation,

The step of sending the paging indication to the remote user equipment UE includes:

sending a sidelink RRC message to the remote UE; wherein, the sidelink RRC message includes the paging indication.

In one possible implementation,

The paging indication corresponds to an indication bit.

In one possible implementation,

The step of sending a feedback indication to the network device based on whether the paging indication is sent to the corresponding remote user equipment UE includes:

If sending the paging indication to the remote UE fails, sending the feedback indication indicating that the transmission of the paging indication fails to the network device.

In one possible implementation,

If sending the paging indication to the remote UE succeeds, sending the feedback indication indicating successful transmission of the paging indication to the network device.

According to the second aspect of the embodiments of the present disclosure, there is provided a method for receiving a paging indication, the method is executed by a remote user equipment UE, including:

receiving a paging indication sent by the relay UE, where the paging indication is used to indicate a paging message sent by the network device to the remote UE;

Sending a feedback indication to the relay UE, where the feedback indication is used to indicate whether the paging indication is successfully received.

With this method, the remote UE can receive the paging indication sent by the relay UE, thereby receiving the paging message sent by the network device. Moreover, based on the sidelink connection between the remote UE and the relay UE, the relay UE may also determine a feedback indication to report to the network device whether the current paging message is successfully sent to the remote UE.

In a possible implementation manner, the method also includes:

If the remote UE is in an idle state, send a radio resource control RRC connection establishment to the relay UE.

In a possible implementation manner, if the remote UE is in an inactive state, send a radio resource control RRC connection recovery to the relay UE.

In a possible implementation manner, the step of sending a feedback indication to the relay UE includes:

If the paging indication is successfully received, sending the feedback indication indicating that the paging indication is received successfully to the relay UE.

If receiving the paging indication fails, sending the feedback indication indicating failure to receive the paging indication to the relay UE.

According to a third aspect of an embodiment of the present disclosure, there is provided a method for sending a paging message, the method being executed by a network device, including:

receiving a feedback indication sent by the relay UE; wherein, the feedback indication is after the relay UE sends a paging indication to the remote user equipment UE, based on whether the paging indication is sent to the corresponding remote user equipment UE to the A feedback indication sent by the network device, wherein the paging indication is used to indicate a paging message sent by the network device to the remote UE, and the feedback indication is used to indicate whether the paging message is sent successfully;

Resending the paging message to the relay UE.

With this method, after sending the paging message, the network device can receive the feedback indication sent by the relay UE, so as to know in time whether the paging message is successfully sent to the remote UE. When the feedback indication is a paging indication transmission failure indication, the network device can resend the paging message in time to ensure that the paging message is successfully sent to the remote UE without being lost.

According to a third aspect of the embodiments of the present disclosure, a communication device is provided. The communication apparatus may be used to perform the steps performed by the relay user equipment UE in the above first aspect or any possible design of the first aspect. The relay UE may implement each function in the above methods in the form of a hardware structure, a software module, or a hardware structure plus a software module.

When the communication device described in the third aspect is realized by a software module, the communication device may include a transceiver module, where the transceiver module may be used to support the communication device to perform communication.

When performing the steps described in the above first aspect, the transceiver module is configured to send a paging indication to the remote user equipment UE, wherein the paging indication is used to indicate the paging sent by the network equipment to the remote UE message; further configured to send a feedback indication to the network device based on whether the paging indication is sent to the corresponding remote user equipment UE, where the feedback indication is used to indicate whether the paging message is sent successfully.

According to a fourth aspect of the embodiments of the present disclosure, a communication device is provided. The communication apparatus may be used to execute the steps performed by the remote user equipment UE in the above second aspect or any possible design of the second aspect. The remote UE can implement each function in the above methods in the form of a hardware structure, a software module, or a hardware structure plus a software module.

When the communication device described in the fourth aspect is realized by a software module, the communication device may include a transceiver module, wherein the transceiver module may be used to support the communication device to perform communication.

When performing the steps described in the second aspect above, the transceiver module is configured to receive the paging indication sent by the relay UE, wherein the paging indication is used to indicate the paging message sent by the network device to the remote UE ; Also used to send a feedback indication to the relay UE, where the feedback indication is used to indicate whether the paging indication is successfully received.

According to a fifth aspect of the embodiments of the present disclosure, a communication device is provided. The communication device may be used to execute the steps executed by the network device in any possible design of the first aspect or the third aspect. The network device can realize each function in the above-mentioned methods in the form of a hardware structure, a software module, or a hardware structure plus a software module.

When the communication device described in the fifth aspect is implemented by a software module, the communication device may include a transceiver module, wherein the transceiver module may be used to support the communication device to perform communication.

When performing the steps described in the third aspect above, the transceiver module is configured to receive a feedback indication sent by the relay UE, wherein the feedback indication is based on the relay UE sending the paging indication to the remote user equipment UE Whether the paging indication is sent to the feedback indication sent by the corresponding remote user equipment UE to the network device, wherein the paging indication is used to indicate the paging message sent by the network equipment to the remote UE, the The feedback indication is used to indicate whether the paging message is sent successfully; and is also used to resend the paging message to the relay UE.

According to a sixth aspect of the embodiments of the present disclosure, there is provided a communication device, including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program, so as to realize the first aspect or the first Any possible design of the aspect.

According to a seventh aspect of the embodiments of the present disclosure, there is provided a communication device, including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program, so as to realize the second aspect or the second Any possible design of the aspect.

According to an eighth aspect of the embodiments of the present disclosure, there is provided a communication device, including a processor and a memory; the memory is used to store a computer program; the processor is used to execute the computer program, so as to realize the third aspect or the third Any possible design of the aspect.

According to a ninth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, the computer-readable storage medium stores instructions (or called computer programs, programs), and when they are invoked and executed on a computer, the The computer implements the above first aspect or any possible design of the first aspect.

According to a tenth aspect of the embodiments of the present disclosure, there is provided a computer-readable storage medium, the computer-readable storage medium stores instructions (or called computer programs, programs), and when they are invoked and executed on a computer, the The computer implements the second aspect or any possible design of the second aspect.

According to an eleventh aspect of the embodiments of the present disclosure, a computer-readable storage medium is provided, the computer-readable storage medium stores instructions (or called computer programs, programs), and when they are invoked and executed on a computer, Make the computer execute the third aspect or any possible design of the third aspect.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the present disclosure.

Description of drawings

The drawings described here are used to provide a further understanding of the embodiments of the present disclosure, and constitute a part of the application. The schematic embodiments of the embodiments of the present disclosure and their descriptions are used to explain the embodiments of the present disclosure, and do not constitute a reference to the embodiments of the present disclosure. undue limitation. In the attached picture:

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the embodiments of the disclosure, and together with the description serve to explain the principles of the embodiments of the disclosure.

FIG. 1 is a schematic diagram of a wireless communication system architecture provided by an embodiment of the present disclosure;

Fig. 2 is a flow chart showing a method for transmitting a paging message according to an exemplary embodiment;

Fig. 3 is a flow chart showing another method for transmitting a paging message according to an exemplary embodiment;

Fig. 4 is a structural diagram of a device for transmitting a paging message according to an exemplary embodiment;

Fig. 5 is a structural diagram of another device for transmitting a paging message according to an exemplary embodiment;

Fig. 6 is a structural diagram of another device for receiving a paging message according to an exemplary embodiment;

Fig. 7 is a structural diagram of another device for sending a paging message according to an exemplary embodiment;

Fig. 8 is a structural diagram of another device for sending a paging message according to an exemplary embodiment.

Detailed ways

Embodiments of the present disclosure will now be further described in conjunction with the accompanying drawings and specific implementation methods.

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, the same numerals in different drawings refer to the same or similar elements unless otherwise indicated. The implementations described in the following exemplary embodiments do not represent all implementations consistent with the embodiments of the present disclosure. Rather, they are merely examples of apparatuses and methods consistent with aspects of the present disclosure as recited in the appended claims.

As shown in FIG. 1 , the method for transmitting a paging message provided by this embodiment of the present disclosure may be applied to a wireless communication system 100, which may include but not limited to a network device 101 and multiple user equipments. The user equipment is configured to support carrier aggregation, and the user equipment can be connected to multiple carrier components of the network device 101 , including one primary carrier component and one or more secondary carrier components.

Wherein, the multiple user equipments that are directly connected to the network equipment 101 and provide the relay function are called relay user equipment (relay User Equipment, relay UE) 102, and the multiple user equipments that are not directly connected with the network equipment 101 are called A remote user equipment (remote User Equipment, remote UE) 103. The relay UE 102 communicates with the remote UE 103 based on a sidelink (sidelink), and the remote UE 103 communicates with the network device 101 through the relay UE 102.

It should be understood that the above wireless communication system 100 may be applicable to both low-frequency scenarios and high-frequency scenarios. The application scenarios of the wireless communication system 100 include but are not limited to long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD) system, global Interoperability microwave access (worldwide interoperability for micro wave access, WiMAX) communication system, cloud radio access network (cloud radio access network, CRAN) system, future fifth-generation (5th-Generation, 5G) system, new wireless (new radio, NR) communication system or future evolved public land mobile network (public land mobile network, PLMN) system, etc.

The user equipment shown above may be user equipment (user equipment, UE), terminal (terminal), access terminal, terminal unit, terminal station, mobile station (mobile station, MS), remote station, remote terminal, mobile terminal (mobile terminal), wireless communication equipment, terminal agent or user equipment, etc. The user equipment may have a wireless transceiver function, which can communicate with one or more network devices of one or more communication systems (such as wireless communication), and accept network services provided by the network device 102, where the network devices include but not Restricted to the base station shown.

Wherein, the user equipment may be a cellular phone, a cordless phone, a session initiation protocol (session initiation protocol, SIP) phone, a wireless local loop (wireless local loop, WLL) station, a personal digital assistant (PDA) device, a wireless Handheld devices with communication functions, computing devices or other processing devices connected to wireless modems, vehicle-mounted devices, wearable devices, user equipment in future 5G networks or user equipment in future evolved PLMN networks, etc.

The network device 101 may be an access network device (or called an access network site). Wherein, the access network device refers to a device that provides a network access function, such as a radio access network (radio access network, RAN) base station and the like. Specifically, the network device may include a base station (base station, BS) device, or include a base station device and a radio resource management device for controlling the base station device, and the like. The network device may also include a relay station (relay device), an access point, and a base station in a future 5G network, a base station in a future evolved PLMN network or an NR base station, and the like. Network devices can be wearable or in-vehicle. The network device can also be a communication chip with a communication module.

For example, the network device 101 includes but is not limited to: a next-generation base station (gnodeB, gNB) in 5G, an evolved node B (evolved node B, eNB) in an LTE system, a radio network controller (radio network controller, RNC), Node B (node B, NB) in WCDMA system, wireless controller under CRAN system, base station controller (basestation controller, BSC), base transceiver station (base transceiver station, BTS) in GSM system or CDMA system, home Base station (for example, home evolved nodeB, or home node B, HNB), baseband unit (baseband unit, BBU), transmission point (transmitting and receiving point, TRP), transmission point (transmitting point, TP) or mobile switching center, etc.

In the process of using the relay UE 102 to forward the paging message, there may be the following two scenarios:

The connection between the relay UE 102 and the remote UE 103 is lost due to channel deterioration;

The remote UE 103 is reselected by the relay UE 102, and loses connection with the original relay UE 102.

The above scenario may lead to the unsuccessful transmission of the paging message to the remote UE 103, but the network device 101 does not know that the paging message is not successfully transmitted, resulting in loss of the paging message.

An embodiment of the present disclosure provides a method for transmitting a paging message. Fig. 2 is a flowchart of a method for transmitting a paging message according to an exemplary embodiment. As shown in Fig. 2, the method includes:

S21, the relay UE 102 receives the paging message sent by the network device 101;

S22. The relay UE 102 sends a paging indication to the remote UE 103; wherein, the paging indication is used to indicate a paging message sent by the network device to the remote UE.

S23. The remote UE 103 receives the paging indication sent by the relay UE 102.

S24. The relay UE 102 sends a feedback indication to the network device 101 based on whether the paging indication is sent to the corresponding remote user equipment UE, where the feedback indication is used to indicate whether the paging message is sent successfully.

S25, the network device 101 receives the paging message transmission failure feedback indication sent by the relay UE 102; wherein, the paging message transmission failure feedback indication is that the relay UE 102 sends a paging message to the network device 101 after the failure to send the paging indication to the remote UE 103 Send the paging indication transmission failure feedback indication.

S26. The network device 101 resends the paging message to the relay UE 102.

In some possible implementation manners, the paging message is a message for the network device to page the user equipment, and is generally used to page the user equipment in the RRC_INACTIVE state or in the RRC_IDLE state, and the paging message generally includes the information of the user equipment being paged. logo.

In some possible implementation manners, the paging indication is used to indicate a paging message. In a possible example, the paging indication includes a paging message, and the paging message includes an identifier of at least one remote UE. In a possible example, the paging indication corresponds to an indication bit, and the number of bits occupied by the indication bit may be 1.

In some possible implementation manners, after step S26 is executed in the process of sending the paging message this time, the process of sending the paging message next time can also be started, and the above steps are executed cyclically.

In the embodiment of the present disclosure, after the network device 101 sends a paging message to the remote UE 103 through the relay UE 102, the relay UE 102 can also send a feedback instruction to the network device 101 according to the forwarding situation, so that the network device 101 can know in time Whether the paging message is sent successfully. When the paging message fails to be sent, the network device 101 can resend the paging message in time, thereby ensuring that the paging message is successfully sent to the remote UE 103 without loss.

An embodiment of the present disclosure provides a method for transmitting a paging message. The method is performed by the relay user equipment UE 102. Fig. 3 is a flowchart of a method for transmitting a paging message according to an exemplary embodiment. As shown in Fig. 3 , the method includes:

Step S101, sending a paging indication to a remote user equipment UE, wherein the paging indication is used to indicate a paging message sent by a network device to the remote UE;

Step S102, based on whether the paging indication is sent to the corresponding remote user equipment UE, a feedback indication is sent to the network device, wherein the feedback indication is used to indicate whether the paging message is sent successfully.

In some possible implementation manners, the network device 101, the relay UE 102 and the remote UE 103 are connected in sequence. The network device 101 forwards the paging message to the remote UE 103 through the relay UE 102.

In some possible implementation manners, based on the result of the relay UE 102 sending the feedback indication, the feedback indication may indicate that the paging indication is sent successfully, or the paging indication is sent unsuccessfully.

In the embodiment of the present disclosure, after receiving the paging message sent by the network device 101 and sending the paging instruction to the remote UE 103, the relay UE 102 can also send a feedback instruction to the network device 101 according to the forwarding situation, so that the network The device 101 can know in time whether the paging message is successfully sent to the remote UE 103. When the paging message fails to be sent, the network device 101 can resend the paging message in time to ensure that the paging message can be successfully sent to the remote UE 103 without loss.

An embodiment of the present disclosure provides a method for transmitting a paging message. The method is performed by the relay user equipment UE 102. The method includes:

Step S100, receiving a paging message sent by a network device.

In some possible implementation manners, receiving the paging message sent by the network device in step S100 includes: the relay UE 102 receiving the dedicated signaling sent by the network device 101, where the dedicated signaling includes the paging message.

In some possible implementation manners, the dedicated signaling is a radio resource control RRC connection reconfiguration message.

In some possible implementation manners, receiving the paging message sent by the network device in step S100 includes: the relay UE 102 receiving the broadcast message sent by the network device 101, where the broadcast message includes the paging message.

In the embodiment of the present disclosure, the relay UE 102 can receive the paging message sent by the network device 101 in various ways.

Step S100, the relay UE 102 receives the paging message sent by the network device 101; wherein,

The paging message includes at least one identifier of the remote UE, and the identifier of the remote UE 103 includes at least one of the following:

The remote UE's 5G service temporary mobile subscriber identity 5G-S-TMSI,

Inactive Radio Network Temporary Identifier I-RNTI of the remote UE,

The sidelink ID of the remote UE.

Step S101, sending a paging indication to a remote user equipment UE, wherein the paging indication includes a paging message;

In some possible implementation manners, sending the paging indication to the remote user equipment UE in step S101 includes: sending the paging indication to the corresponding remote UE based on the identity of the remote UE included in the paging message.

In the embodiment of the present disclosure, the network device 101 can send multiple forms of remote UE 103 identifiers to the relay UE 102, so that the relay UE 102 can more accurately and efficiently determine the remote UE 103 corresponding to the relay link, and further Accurately send a paging indication to the remote UE 103.

Step S201, sending a sidelink RRC message to the remote UE; wherein the sidelink RRC message includes a paging indication, wherein the paging indication is used to indicate a paging message sent by the network device to the remote UE;

Step S202, based on whether the paging indication is sent to the corresponding remote user equipment UE, send a feedback indication to the network device, wherein the feedback indication is used to indicate whether the paging message is sent successfully.

In the embodiment of the present disclosure, the relay UE 102 may send a paging indication through a sidelink RRC message type.

An embodiment of the present disclosure provides a method for transmitting a paging message. The method is performed by the relay user equipment UE 102. The method includes step S101 to step S102, or, the method includes step S201 to step S202, in the method:

The paging indication includes a paging message, and the paging message includes an identifier of at least one remote UE.

In some possible implementation manners, the remote UE establishing a sidelink with the relay UE 102 is: the remote UE 103. The paging message includes the identity of the remote UE 103.

In an example, the identifier of the remote UE 103 may be: the 5G-S-TMSI (5G S-Temporary Mobile Subscription Identifier) of the remote UE 103, or the C-RNTI (CellRadioNetworkTemporaryIdentifier) of the remote UE 103, or is the sidelink identifier of the remote UE103.

In some possible implementation manners, the remote UEs that establish a sidelink with the relay UE 102 include: the remote UE 103 and the remote UE 104. The paging message includes the identifiers of the remote UE 103 and the remote UE 104.

In the embodiment of the present disclosure, the relay UE 102 can send a paging indication to one or more remote UEs 103 according to the paging message sent by the network device 101.

The paging indication corresponds to an indication bit.

In some possible implementation manners, the value of the indication bit indicating the paging indication is 0 or 1.

In some possible implementation manners, the indicator bit may also occupy more than 1 bit, for example, occupy 2 bits or 3 bits, or more indicator bits.

In some possible implementation manners, the number of bits occupied by the indication bits is less than a set value.

An embodiment of the present disclosure provides a method for transmitting a paging message. The method is performed by the relay user equipment UE 102. The method includes, in the method:

Sending a sidelink RRC message to the remote UE; wherein, the sidelink RRC message includes an indication bit, and the indication bit corresponds to a paging indication, and the paging indication is used to indicate the paging message sent by the network device to the remote UE.

A feedback indication is sent to the network device based on whether the paging indication is sent to the corresponding remote user equipment UE, where the feedback indication is used to indicate whether the paging message is sent successfully.

sending a paging indication to the remote user equipment UE, where the paging indication is used to indicate the paging message sent by the network equipment to the remote UE;

If the relay UE 102 fails to send the paging indication to the remote UE 103, it sends a feedback indication indicating that the transmission of the paging indication fails to the network device 101.

In the embodiment of the present disclosure, in the scenario where the relay UE 102 fails to send the paging indication, the relay UE 102 will report the paging indication transmission failure feedback indication to the network device 101. After the network device 101 learns that the sending of the paging indication fails, it is convenient to resend the paging message in time.

If the relay UE 102 receives the reception failure feedback message for the sidelink message carrying the paging indication sent by the remote UE 103, it determines that sending the paging indication to the remote UE 103 fails.

If sending the paging indication to the remote UE fails, send a feedback indication indicating that the paging indication transmission fails to the network device 101 .

In the embodiment of the present disclosure, the first way for the relay UE 102 to determine that sending the paging indication fails is disclosed. In this way, when the remote UE 103 fails to receive the paging indication, it will send a reception failure feedback message to the relay UE 102. Therefore, the relay UE 102 can more efficiently determine that it is in a scenario where sending the paging indication fails, and on this basis, the relay UE 102 can report to the network device 101 in time.

If the relay UE 102 does not receive the reception result feedback message for the sidelink sidelink message carrying the paging indication sent by the remote UE 103 (the reception result feedback message is a reception success feedback message or a reception failure feedback message), determine to send The remote UE 103 fails to send the paging indication.

In the embodiments of the present disclosure, a second manner in which the relay UE 102 determines that sending the paging indication fails is disclosed. In this way, the relay UE 102 fails to receive the reception result feedback message sent by the remote UE 103, thereby determining that it is in a scene where the paging indication fails to be sent. On this basis, the relay UE 102 can report to the network device 101 in time.

If the relay UE 102 fails to send the paging indication to the remote UE 103, it sends a feedback indication indicating that the transmission of the paging indication fails to the network device 101. Wherein, the feedback indication indicating that the transmission of the paging indication fails includes: a failure reason.

In some possible implementations, the failure reason includes one of the following:

receiving a reception failure feedback message sent by the remote UE for the sidelink message carrying the paging indication,

The reception result feedback message for the sidelink message carrying the paging indication sent by the remote UE is not received.

In some possible implementation manners, the sidelink message is a sidelink HARQ message or a sidelink RRC message.

In some possible examples, the reception result feedback message for the sidelink sidelink message carrying the paging indication includes RRCRecongfigurationCompleteSidelink, where RRCRecongfigurationCompleteSidelink is a reception success feedback message.

In some possible examples, the reception result feedback message for the sidelink sidelink message carrying the paging indication includes RRCRecongfigurationFailureSidelink, where RRCRecongfigurationFailureSidelink is a reception failure feedback message.

In the embodiment of the present disclosure, in the scenario where the sending of the paging indication fails, the relay UE 102 can report the failure reason to the network device 101, so that the network device 101 can optimize the processing or adjust the sending of the paging message based on the failure reason, and improve the efficiency of the paging message. The probability of sending a paging message successfully. Moreover, in the scenario where sending the paging indication fails, the relay UE 102 can report multiple failure reasons, so that the network device 101 can perform targeted optimization processing or adjustments based on different failure reasons.

If the relay UE 102 sends the paging indication to the remote UE 103 successfully, it sends a paging indication transmission success feedback indication to the network device 101.

In the embodiment of the present disclosure, in the scenario where the relay UE 102 sends the paging indication successfully, the relay UE 102 will report the feedback indication of the successful transmission of the paging indication to the network device 101. In this way, the network device 101 learns the result of sending the paging message in time.

If the reception success feedback message for the sidelink sidelink message carrying the paging indication sent by the remote UE 103 is received, it is determined that the paging indication is successfully sent to the remote UE 103.

In the embodiment of the present disclosure, a manner in which the relay UE 102 determines that the sending of the paging indication is successful is exemplified. In this manner, when the remote UE 103 receives the paging indication successfully, it will send a reception success feedback message to the relay UE 102. Therefore, the relay UE 102 can more efficiently determine that it is in a scene where the paging indication is successfully sent, and on this basis, the relay UE 102 can report to the network device 101 in time.

An embodiment of the present disclosure provides a method for receiving a paging indication. The method is performed by the remote user equipment UE 103. The method includes:

Step S301, receiving a paging indication sent by a relay UE, wherein the paging indication is used to indicate a paging message sent by a network device to the remote UE.

Step S302, sending a feedback indication to the relay UE, wherein the feedback indication is used to indicate whether the paging indication is successfully received.

In the embodiment of the present disclosure, the remote UE 103 can receive the paging indication sent by the relay UE 102, thereby receiving the paging message sent by the network device 101. Moreover, based on the sidelink connection between the remote UE 103 and the relay UE 102, the relay UE 102 may also determine a feedback indication to report whether the paging message to the network device 101 is successfully sent to the remote UE 103 this time.

Step S303a, if the remote UE 103 is in an idle state, the remote UE 103 sends a radio resource control RRC connection establishment to the relay UE 102.

Step S303b, if the remote UE 103 is in an inactive state, the remote UE 103 sends a radio resource control RRC connection recovery to the relay UE 102.

In step S302a, if the paging indication is received successfully, a feedback indication indicating that the paging indication is successfully received is sent to the relay UE.

In the embodiment of the present disclosure, the remote user equipment UE sends a feedback indication indicating that the paging indication is successfully received to the relay UE, so that the relay UE determines that the paging indication is successfully sent to the remote UE based on the feedback indication, so that the relay UE The UE accurately obtains the sending result of the paging indication.

Step S302b, if receiving the paging indication fails, sending a feedback indication indicating failure to receive the paging indication to the relay UE.

In the embodiment of the present disclosure, the remote user equipment UE sends a feedback indication indicating failure to receive the paging indication to the relay UE, so that the relay UE determines that sending the paging indication to the remote UE fails based on the feedback indication, so that the relay UE The UE accurately obtains the sending result of the paging indication.

receiving a paging indication sent by the relay UE, wherein the paging indication is used to indicate the paging message sent by the network device to the remote UE; and sending a reception failure feedback message to the relay UE.

In the embodiment of the present disclosure, the remote user equipment UE sends a reception failure feedback message to the relay UE, so that the relay UE can determine the failure to send the paging indication to the remote UE based on the reception failure feedback message, so that the relay UE can accurately know The result of sending the paging indication.

Receive the sidelink RRC message sent by the relay UE, wherein the sidelink RRC message includes a paging indication, and the paging indication is used to indicate the paging message sent by the network device to the remote UE; The reception failure feedback message of the sidelink sidelink RRC message.

In some possible implementation manners, the reception failure feedback message for the sidelink RRC message carrying the paging indication includes RRCRecongfigurationFailureSidelink, where RRCRecongfigurationFailureSidelink is used to indicate reception failure.

In the embodiment of the present disclosure, the remote user equipment UE sends a reception failure feedback message for the sidelink feedback message carrying the paging indication to the relay UE, so that the relay UE determines to send a message to the remote terminal based on the reception failure feedback message The UE fails to send the paging indication, so that the relay UE can accurately know the sending result of the paging indication.

Receive the sidelink HARQ message sent by the relay UE, wherein the sidelink HARQ message includes a paging indication, and the paging indication is used to indicate the paging message sent by the network device to the remote UE; The reception failure feedback message of the sidelink sidelink HARQ message.

In the embodiment of the present disclosure, the remote user equipment UE sends a reception failure feedback message for the sidelink HARQ message carrying the paging indication to the relay UE, so that the relay UE determines to send a message to the remote terminal based on the reception failure feedback message. The UE fails to send the paging indication, so that the relay UE can accurately know the sending result of the paging indication.

receiving a paging indication sent by the relay UE, wherein the paging indication is used to indicate the paging message sent by the network device to the remote UE; and sending a reception success feedback message to the relay UE.

In the embodiment of the present disclosure, the remote user equipment UE sends a reception success feedback message to the relay UE, so that the relay UE determines that the paging indication is successfully sent to the remote UE based on the reception success feedback message, so that the relay UE can accurately know The result of sending the paging indication.

Receive the sidelink RRC message sent by the relay UE, wherein the sidelink RRC message includes a paging indication, and the paging indication is used to indicate the paging message sent by the network device to the remote UE; Feedback message for successful reception of the sidelink RRC message.

In some possible implementation manners, the reception success feedback message for the sidelink sidelink RRC message carrying the paging indication includes RRCRecongfigurationCompleteSidelink, where RRCRecongfigurationCompleteSidelink is used to indicate successful reception.

In the embodiment of the present disclosure, the remote user equipment UE sends a reception success feedback message for the sidelink feedback message carrying the paging indication to the relay UE, so that the relay UE determines to send The UE sends the paging indication successfully, so that the relay UE can accurately know the sending result of the paging indication.

Receive the sidelink HARQ message sent by the relay UE, wherein the sidelink HARQ message includes a paging indication, and the paging indication is used to indicate the paging message sent by the network device to the remote UE; Feedback message for successful reception of the sidelink HARQ message.

In the embodiment of the present disclosure, the remote user equipment UE sends a reception success feedback message for the sidelink HARQ message carrying the paging indication to the relay UE, so that the relay UE determines to send a message to the remote terminal based on the reception success feedback message. The UE sends the paging indication successfully, so that the relay UE can accurately know the sending result of the paging indication.

An embodiment of the present disclosure provides a method for sending a paging message. The method is executed by the network device 101 . The method includes:

Step S401, receiving a feedback indication sent by the relay UE; wherein, the feedback indication is sent to the network device based on whether the paging indication is sent to the corresponding remote user equipment UE after the relay UE sends the paging indication to the remote user equipment UE A feedback indication, wherein the paging indication is used to indicate the paging message sent by the network device to the remote UE, and the feedback indication is used to indicate whether the paging message is sent successfully;

Step S402, the network device 101 resends the paging message to the relay UE 102.

In the embodiment of the present disclosure, after sending the paging message, the network device 101 can receive the feedback indication sent by the relay UE 102, so as to know in time whether the paging message is successfully sent to the remote UE 103. When the feedback indication is a paging indication transmission failure indication, the network device 101 can resend the paging message in time to ensure that the paging message is successfully sent to the remote UE 103 without loss.

Based on the same concept as the above method embodiment, the embodiment of the present disclosure also provides a communication device, which can have the function of the relay user equipment UE 102 in the above method embodiment, and is used to implement the method provided by the above embodiment. The steps performed by the UE 102 are relayed. This function can be implemented by hardware, and can also be implemented by software or hardware executes corresponding software. The hardware or software includes one or more modules corresponding to the above functions.

In a possible implementation manner, the communication device 400 shown in FIG. 4 can serve as the relay UE 102 involved in the above method embodiment, and execute the steps performed by the relay UE 102 in the above method embodiment. As shown in FIG. 4 , the communication device 400 may include a transceiver module 401 . The transceiver module 401 can be used to support the communication device 400 to communicate, and the transceiver module 401 can have a wireless communication function, for example, it can perform wireless communication with other communication devices through a wireless air interface.

When performing the steps implemented by the relay UE 102, the transceiver module 401 is used to send a paging indication to the remote user equipment UE, wherein the paging indication is used to indicate the paging message sent by the network equipment to the remote UE; It is configured to send a feedback indication to the network device based on whether the paging indication is sent to the corresponding remote user equipment UE, where the feedback indication is used to indicate whether the paging message is sent successfully.

When the communication device is a relay UE 102, its structure may also be as shown in FIG. 5 . The device 500 may be a mobile phone, a computer, a digital broadcast terminal, a messaging device, a game console, a tablet device, a medical device, a fitness device, a personal digital assistant, and the like.

5, device 500 may include one or more of the following components: processing component 502, memory 504, power supply component 506, multimedia component 508, audio component 510, input/output (I/O) interface 512, sensor component 514, and communication component 516 .

The processing component 502 generally controls the overall operations of the device 500, such as those associated with display, telephone calls, data communications, camera operations, and recording operations. The processing component 502 may include one or more processors 520 to execute instructions to complete all or part of the steps of the above method. Additionally, processing component 502 may include one or more modules that facilitate interaction between processing component 502 and other components. For example, processing component 502 may include a multimedia module to facilitate interaction between multimedia component 508 and processing component 502 .

Memory 504 is configured to store various types of data to support operations at device 500 . Examples of such data include instructions for any application or method operating on device 500, contact data, phonebook data, messages, pictures, videos, and the like. The memory 504 can be implemented by any type of volatile or non-volatile storage device or their combination, 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 Disk.

The power supply component 506 provides power to various components of the device 500 . Power components 506 may include a power management system, one or more power supplies, and other components associated with generating, managing, and distributing power for device 500 .

The multimedia component 508 includes a screen that provides an output interface between the device 500 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 input signals from a user. The touch panel includes one or more touch sensors to sense touches, swipes, and gestures on the touch panel. The touch sensor may not only sense the boundary of a touch or swipe action, but also detect the duration and pressure associated with the touch or swipe action. In some embodiments, the multimedia component 508 includes a front camera and/or a rear camera. When the device 500 is in an operation mode, such as a shooting mode or a video mode, the front camera and/or the rear camera can receive external multimedia data. Each front camera and rear camera can be a fixed optical lens system or have focal length and optical zoom capability.

The audio component 510 is configured to output and/or input audio signals. For example, the audio component 510 includes a microphone (MIC), which is configured to receive external audio signals when the device 500 is in operation modes, such as call mode, recording mode and voice recognition mode. Received audio signals may be further stored in memory 504 or sent via communication component 516 . In some embodiments, the audio component 510 also includes a speaker for outputting audio signals.

The I/O interface 512 provides an interface between the processing component 502 and a peripheral interface module. The peripheral interface module may be a keyboard, a click wheel, a button, and the like. These buttons may include, but are not limited to: a home button, volume buttons, start button, and lock button.

Sensor assembly 514 includes one or more sensors for providing status assessments of various aspects of device 500 . For example, the sensor component 514 can detect the open/closed state of the device 500, the relative positioning of components, such as the display and keypad of the device 500, and the sensor component 514 can also detect a change in the position of the device 500 or a component of the device 500 , the presence or absence of user contact with the device 500 , the device 500 orientation or acceleration/deceleration and the temperature change of the device 500 . Sensor assembly 514 may include a proximity sensor configured to detect the presence of nearby objects in the absence of any physical contact. Sensor assembly 514 may also include an optical sensor, such as a CMOS or CCD image sensor, for use in imaging applications. In some embodiments, the sensor component 514 may also include an acceleration sensor, a gyroscope sensor, a magnetic sensor, a pressure sensor or a temperature sensor.

The communication component 516 is configured to facilitate wired or wireless communication between the apparatus 500 and other devices. The device 500 can access wireless networks based on communication standards, such as WiFi, 4G or 5G, or a combination thereof. In an exemplary embodiment, the communication component 516 receives broadcast signals or broadcast related information from an external broadcast management system via a broadcast channel. In an exemplary embodiment, the communication component 516 also includes a near field communication (NFC) module to facilitate short-range communication. For example, the NFC module may be implemented based on Radio Frequency Identification (RFID) technology, Infrared Data Association (IrDA) technology, Ultra Wide Band (UWB) technology, Bluetooth (BT) technology and other technologies.

In an exemplary embodiment, apparatus 500 may be programmed by one or more application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable A gate array (FPGA), controller, microcontroller, microprocessor or other electronic component implementation for performing the methods described above.

Based on the same idea as the above method embodiment, the embodiment of the present disclosure also provides a communication device, which can have the function of the remote user equipment UE 103 in the above method embodiment, and is used to execute the method provided by the above embodiment The steps performed by the remote UE 103. This function can be implemented by hardware, and can also be implemented by software or hardware executes corresponding software. The hardware or software includes one or more modules corresponding to the above functions.

In a possible implementation manner, the communication device 600 shown in FIG. 6 can be used as the remote UE 103 involved in the above method embodiment, and execute the steps performed by the remote UE 103 in the above method embodiment. As shown in FIG. 6 , the communication device 600 may include a transceiver module 601 . The transceiver module 601 can be used to support the communication device 600 to communicate, and the transceiver module 601 can have a wireless communication function, for example, it can perform wireless communication with other communication devices through a wireless air interface.

When performing the steps implemented by the remote UE 103, the transceiver module 601 is used to receive the paging indication sent by the relay UE, wherein the paging indication is used to indicate the paging sent by the network equipment to the remote UE The message; is also used to send a feedback indication to the relay UE, where the feedback indication is used to indicate whether the paging indication is successfully received.

When the communication device is a remote UE 103, its structure may also be as shown in FIG. 5 .

Based on the same idea as the above method embodiment, the embodiment of the present disclosure also provides a communication device, which can have the function of the network device 101 in the above method embodiment, and is used to execute the network device 101 provided by the above embodiment steps to execute. This function can be implemented by hardware, and can also be implemented by software or hardware executes corresponding software. The hardware or software includes one or more modules corresponding to the above functions.

In a possible implementation manner, the communication device 700 shown in FIG. 7 may serve as the network device 101 involved in the above method embodiment, and execute the steps performed by the network device 101 in the above method embodiment. As shown in FIG. 7 , the communication device 700 may include a transceiver module 701 . The transceiver module 701 can be used to support the communication device 700 to communicate, and the transceiver module 701 can have a wireless communication function, for example, it can perform wireless communication with other communication devices through a wireless air interface.

When executing the steps implemented by the network device 101, the transceiver module 701 is configured to receive a feedback indication sent by the relay UE, wherein the feedback indication is based on the relay UE sending the paging indication to the remote user equipment UE Whether the paging indication is sent to the feedback indication sent by the corresponding remote user equipment UE to the network device, wherein the paging indication is used to indicate the paging message sent by the network equipment to the remote UE, the The feedback indication is used to indicate whether the paging message is sent successfully; and is also used to resend the paging message to the relay UE.

When the communication device is a network device, its structure may also be as shown in FIG. 8 . The structure of the communication device is described by taking the network device 101 as a base station as an example. As shown in FIG. 8 , an apparatus 800 includes a memory 801 , a processor 802 , a transceiver component 803 , and a power supply component 806 . Wherein, the memory 801 is coupled with the processor 802 and can be used to save the programs and data necessary for the communication device 800 to realize various functions. The processor 802 is configured to support the communication device 800 to execute corresponding functions in the above method, and this function can be realized by calling a program stored in the memory 801 . The transceiver component 803 may be a wireless transceiver, and may be used to support the communication device 800 to receive signaling and/or data and send signaling and/or data through a wireless air interface. The transceiver component 803 may also be called a transceiver unit or a communication unit, and the transceiver component 803 may include a radio frequency component 804 and one or more antennas 805, wherein the radio frequency component 804 may be a remote radio unit (remote radio unit, RRU), specifically It can be used for the transmission of radio frequency signals and the conversion of radio frequency signals and baseband signals, and the one or more antennas 805 can be specifically used for radiating and receiving radio frequency signals.

When the communication device 800 needs to send data, the processor 802 can perform baseband processing on the data to be sent, and output the baseband signal to the radio frequency unit, and the radio frequency unit performs radio frequency processing on the baseband signal, and sends the radio frequency signal through the antenna in the form of electromagnetic waves. When data is sent to the communication device 800, the radio frequency unit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 802, and the processor 802 converts the baseband signal into data and converts the data to process.

Other implementations of the disclosed embodiments will be readily apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any modification, use or adaptation of the embodiments of the present disclosure, which follow the general principles of the embodiments of the present disclosure and include common knowledge in the technical field not disclosed in the present disclosure or customary technical means. It is intended that the specification and examples be considered exemplary only, with a true scope and spirit of the disclosed embodiments being indicated by the following claims.

It should be understood that the embodiments of the present disclosure are not limited to the precise structures that have been described above and shown in the accompanying drawings, and various modifications and changes may be made without departing from the scope thereof. The scope of the disclosed embodiments is limited only by the appended claims.

Industrial Applicability

After the network device sends the paging message to the remote UE through the relay UE, the relay UE can send a feedback indication to the network device according to the forwarding situation, so that the network device can know in time whether the paging message is sent successfully. When the paging message fails to be sent, the network device can resend the paging message in time, so as to ensure that the paging message is successfully sent to the remote UE without being lost.

Claims

A method for transmitting a paging message, the method being performed by a relay user equipment UE, including:

sending a paging indication to a remote user equipment UE, where the paging indication is used to indicate a paging message sent by a network device to the remote user equipment UE;

Based on whether the paging indication is sent to the corresponding remote user equipment UE, a feedback indication is sent to the network device, where the feedback indication is used to indicate whether the paging message is sent successfully.
The method according to claim 1, wherein, before the step of sending the paging indication to the remote user equipment UE, the method further comprises:

Receive a paging message sent by the network device.
The method according to claim 1, wherein said paging indication comprises said paging message, said paging message comprising at least one identification of remote user equipment (UE).
The method according to claim 3, wherein the identity of the remote user equipment UE includes at least one of the following:

The 5G service temporary mobile subscriber identity 5G-S-TMSI of the remote user equipment UE,

The inactive radio network temporary identifier I-RNTI of the remote user equipment UE,

The sidelink identifier of the remote user equipment UE.
The method according to claim 1, wherein the step of sending the paging indication to the remote user equipment UE comprises:

sending a sidelink RRC message to the remote user equipment UE; wherein, the sidelink RRC message includes the paging indication.
The method of claim 5, wherein the paging indication corresponds to an indication bit.
The method according to claim 1, wherein the step of sending a feedback indication to the network device based on whether the paging indication is sent to the corresponding remote user equipment UE comprises:

If sending the paging indication to the remote user equipment UE fails, sending the feedback indication indicating that the transmission of the paging indication fails to the network device.
The method according to claim 1, wherein the step of sending a feedback indication to the network device based on whether the paging indication is sent to the corresponding remote user equipment UE comprises:

If sending the paging indication to the remote user equipment UE succeeds, sending the feedback indication indicating successful transmission of the paging indication to the network device.
A method for receiving a paging message, the method being performed by a remote user equipment UE, including:

receiving a paging indication sent by a relay user equipment UE, where the paging indication is used to instruct a network device to send a paging message to the remote user equipment UE;

Sending a feedback indication to the relay user equipment UE, where the feedback indication is used to indicate whether the paging indication is successfully received.
The method of claim 9, wherein,

The method also includes:

If the remote user equipment UE is in an idle state, send a radio resource control RRC connection establishment to the relay user equipment.
The method of claim 9, wherein,

The method also includes:

If the remote user equipment UE is in an inactive state, send a radio resource control RRC connection recovery to the relay user equipment.
The method of claim 9, wherein,

The step of sending a feedback indication to the relay user equipment UE includes:

If receiving the paging indication is successful, sending the feedback indication indicating that the paging indication is received successfully to the relay user equipment UE.
The method of claim 9, wherein,

The step of sending a feedback indication to the relay user equipment UE includes:

If receiving the paging indication fails, sending the feedback indication indicating that receiving the paging indication fails to the relay user equipment.
A method for sending a paging message, the method being executed by a network device, including:

receiving a feedback indication sent by the relay user equipment UE;

Wherein, the feedback indication is a feedback indication sent by the relay user equipment to the network device based on whether the paging indication is sent to the corresponding remote user equipment UE after the relay user equipment sends the paging indication to the remote user equipment UE, wherein The paging indication is used to indicate a paging message sent by the network equipment to the remote user equipment UE, and the feedback indication is used to indicate whether the paging message is sent successfully;

resending the paging message to the relay user equipment.
A communication device comprising:

A transceiver module, configured to send a paging indication to a remote user equipment UE, wherein the paging indication is used to indicate a paging message sent by a network device to the remote user equipment UE; Whether the paging indication is sent to the corresponding remote user equipment UE sends a feedback indication to the network device, where the feedback indication is used to indicate whether the paging message is sent successfully.
A communication device comprising:

The transceiver module is configured to receive a paging indication sent by the relay user equipment, wherein the paging indication is used to instruct the network equipment to send a paging message to the remote user equipment UE; The device UE sends a feedback indication, where the feedback indication is used to indicate whether the paging indication is successfully received.
A communication device comprising:

The transceiver module is configured to receive a feedback indication sent by the relay user equipment UE, wherein the feedback indication is based on whether the paging indication is sent to the corresponding user equipment after the relay user equipment sends the paging indication to the remote user equipment UE A feedback indication sent by the remote user equipment UE to the network device, wherein the paging indication is used to indicate a paging message sent by the network equipment to the remote user equipment UE, and the feedback indication is used to indicate the Whether the paging message is sent successfully; and also used to resend the paging message to the relay user equipment.
A communication device, including a processor and a memory;

The memory is used to store computer programs;

The processor is configured to execute the computer program, so as to realize the method according to any one of claims 1-8.
A communication device, including a processor and a memory;

The memory is used to store computer programs;

The processor is configured to execute the computer program to implement the method according to any one of claims 9-13.
A communication device, including a processor and a memory;

The memory is used to store computer programs;

The processor is configured to execute the computer program to implement the method as claimed in claim 14 .
A computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are invoked and executed on a computer, the computer is made to execute the method described in any one of claims 1-8 method.
A computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are invoked and executed on a computer, the computer is made to execute the method described in any one of claims 9-13 method.
A computer-readable storage medium, wherein instructions are stored in the computer-readable storage medium, and when the instructions are invoked and executed on a computer, the computer is made to execute the method as claimed in claim 14 .