WO2024259565A1 - 无线通信的方法及用户设备 - Google Patents
无线通信的方法及用户设备 Download PDFInfo
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- WO2024259565A1 WO2024259565A1 PCT/CN2023/101089 CN2023101089W WO2024259565A1 WO 2024259565 A1 WO2024259565 A1 WO 2024259565A1 CN 2023101089 W CN2023101089 W CN 2023101089W WO 2024259565 A1 WO2024259565 A1 WO 2024259565A1
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- Prior art keywords
- relay
- indication information
- remote
- message
- discovery
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
Definitions
- the present application relates to the field of communication technology, and more specifically, to a wireless communication method and user equipment (UE).
- UE user equipment
- the standard stipulates that the relay UE can send warning messages by broadcasting, but there is currently no clear solution on how to implement it.
- the present application provides a wireless communication method and user equipment.
- the following introduces various aspects involved in the present application.
- a wireless communication method comprising: a relay UE sends first indication information to a remote UE, wherein the first indication information is associated with an alarm message.
- a wireless communication method including: a remote UE receives first indication information sent by a relay UE, where the first indication information is associated with an alarm message.
- a UE is provided, wherein the UE is a relay UE, and the relay UE includes: a communication module, configured to send first indication information to a remote UE, wherein the first indication information is associated with an alarm message.
- a UE is provided, wherein the UE is a remote UE, and the remote UE includes: a communication module, configured to receive first indication information sent by a relay UE, wherein the first indication information is associated with an alarm message.
- a UE comprising a transceiver, a memory and a processor, wherein the memory is used to store programs, and the processor is used to call the programs in the memory and control the transceiver to receive or send signals so that the UE executes the method described in the first aspect or the second aspect.
- a device comprising a processor, configured to call a program from a memory so that the device executes the method described in the first aspect or the second aspect.
- a chip comprising a processor for calling a program from a memory so that a device equipped with the chip executes the method described in the first aspect or the second aspect.
- a computer-readable storage medium on which a program is stored, wherein the program enables a computer to execute the method as described in the first aspect or the second aspect.
- a computer program product comprising a program, wherein the program enables a computer to execute the method described in the first aspect or the second aspect.
- a computer program is provided, wherein the computer program enables a computer to execute the method as described in the first aspect or the second aspect.
- the embodiment of the present application introduces indication information associated with the warning message, and exchanges the indication information between the relay UE and the remote UE, which helps to realize the broadcast of the warning message.
- FIG1 is a diagram showing an example of a system architecture of a wireless communication system to which an embodiment of the present application may be applied.
- Figure 2 is an architecture diagram of the core network of the new radio (NR) system.
- NR new radio
- Figure 3 is a diagram showing an example of the system architecture of U2N relay.
- FIG. 4 is a flowchart of a discovery process based on mode A.
- FIG5 is a flowchart of the discovery process based on mode B.
- FIG6 is a flow chart of a wireless communication method provided in an embodiment of the present application.
- FIG. 7 is a flowchart of a possible implementation of FIG. 6 .
- FIG. 8 is a flowchart of another possible implementation of FIG. 6 .
- FIG. 9 is a flowchart of another possible implementation of FIG. 6 .
- FIG. 10 is a schematic diagram of the structure of a UE provided in one embodiment of the present application.
- FIG11 is a schematic diagram of the structure of a UE provided in another embodiment of the present application.
- FIG. 12 is a schematic diagram of a device according to an embodiment of the present application.
- FIG1 is a diagram showing an example of the system architecture of a wireless communication system 100 to which an embodiment of the present application can be applied.
- the wireless communication system 100 may include a network device 110 and a UE 120.
- the network device 110 may be a device that communicates with the UE 120.
- the network device 110 may provide network coverage for a specific geographic area, and may communicate with the UE 120 located within the coverage area.
- the UE 120 may access a network (such as a wireless network) through the network device 110.
- the wireless communication system 100 may also include other network entities such as a network controller and a mobile management entity, which is not limited in the embodiment of the present application.
- the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: the fifth generation (5G) system or NR, long term evolution (LTE) system, LTE frequency division duplex (FDD) system, LTE time division duplex (TDD) system, etc.
- LTE long term evolution
- FDD frequency division duplex
- TDD time division duplex
- the technical solutions provided by the present application can also be applied to future communication systems, such as the sixth generation mobile communication system, satellite communication system, etc.
- the UE in the embodiment of the present application may also be referred to as terminal equipment, access terminal, user unit, user station, mobile station, mobile station (MS), mobile terminal (MT), remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user device.
- the UE in the embodiment of the present application may be a device that provides voice and/or data connectivity to a user, and can be used to connect people, objects and machines, such as a handheld device with wireless connection function, a vehicle-mounted device, etc.
- the UE in the embodiments of the present application may be a mobile phone, a tablet computer, a laptop computer, a PDA, a mobile internet device (MID), a wearable device, a virtual reality (VR) device, an augmented reality (AR) device, a wireless terminal in industrial control, a wireless terminal in self-driving, a wireless terminal in remote medical surgery, a wireless terminal in smart grid, a wireless terminal in transportation safety, a wireless terminal in smart city, a wireless terminal in smart home, etc.
- the UE may be used to act as a base station.
- the UE may act as a scheduling entity that provides sidelink signals between UEs in V2X or D2D, etc.
- a cellular phone and a car communicate with each other using sidelink signals.
- Cellular phones and smart home devices communicate with each other without relaying communication signals through a base station.
- the network device in the embodiment of the present application may be a device for communicating with a UE.
- the network device may be, for example, an access network device or a wireless access network device.
- the network device may be a base station.
- the base station may broadly cover the following various names, or be replaced with the following names: NodeB, evolved NodeB (eNB), next generation NodeB (gNB), relay station, access point, transmission point (transmitting and receiving point, TRP), transmitting point (transmitting point, TP), home base station, network controller, access node, wireless node, access point (access point, AP), transmission node, transceiver node, baseband unit (base band unit, BBU), remote radio unit (remote radio unit, RRU), active antenna unit (active antenna unit, AAU), remote radio head (remote radio head, RRH), central unit (central unit, CU), distributed unit (distributed unit, DU), positioning node, etc.
- the base station may be a macro base station
- Sidelink communication can also be called proximity services (ProSe) communication, unilateral communication, sidelink communication, and device to device (D2D) communication.
- ProSe proximity services
- D2D device to device
- the core network is an important part of the wireless communication system.
- Figure 2 shows the network architecture diagram of the core network of the NR system.
- the core network of the NR system may include one or more of the following functional entities: access and mobility management function (AMF), session management function (SMF), policy control function (PCF), user plane function (UPF), application function (AF), network slice selection function (NSSF), authentication and authorization service function (AUSF), unified data management (UDM), etc.
- AMF access and mobility management function
- SMF session management function
- PCF policy control function
- UPF user plane function
- AF application function
- NSSF network slice selection function
- AUSF authentication and authorization service function
- UDM unified data management
- AMF is the network element responsible for mobility management in the core network. In addition to managing the mobility of the UE, AMF can also be responsible for forwarding session management related messages between the UE and SMF.
- SMF is the network element responsible for session management in the core network.
- SMF can also be responsible for one or more of the following tasks: UE Internet protocol (IP) address allocation and management, selection of manageable user plane functions, policy control, termination points of charging function interfaces and downlink data notification, configuration of routing information for user plane functions, etc.
- IP Internet protocol
- UPF is a user plane network element in the core network.
- UPF can be responsible for forwarding and receiving user data of UE.
- UPF can receive user data from a data network (DN) and transmit the user data to UE through an access network device.
- DN data network
- UPF can receive user data sent by UE through an access network device and then forward the user data to DN.
- SMF The transmission resources and scheduling functions in UPF that provide services to UE can be managed and controlled by SMF.
- PCF is the network element responsible for policy control in the core network.
- PCF can be responsible for formulating mobility management, session management, and billing with UE. and other related strategies.
- AF mainly supports interaction with the 3rd Generation Partnership Project (3GPP) core network to provide services.
- 3GPP 3rd Generation Partnership Project
- AF can be used to convey the requirements of the application side to the network side.
- AF can be understood as a third-party server, for example, AF can be an application server in the Internet.
- AF can also be a content provider (CP).
- CP content provider
- 3GPP R17 (release 17) proposed to use the ProSe project to design solutions for short-range business communications.
- wireless communication systems can support one or more new business forms.
- NCIS network controlled interactive service
- the NCIS business is mainly aimed at applications such as augmented reality (AR)/virtual reality (VR), games, etc. Therefore, the NCIS business has high requirements for indicators such as rate, latency, packet loss rate, and encoding and decoding. For example, for VR games, the transmission rate of business data needs to reach 10Gbps, and the packet loss rate cannot exceed 10E-4.
- the session established for the NCIS service is an NCIS session, and the UEs in the same NCIS session can be considered to form an NCIS group, such as: teaming in a game.
- the establishment of the ProSe project can enable the wireless communication system to better support interactive services such as AR/VR.
- U2N relay is to relay the data of the remote UE to the remote UE through the relay UE, so that the remote UE can communicate with the network equipment.
- U2N relay includes U2N relay based on layer 2 and U2N relay based on layer 3.
- FIG3 is a diagram showing an example of the system architecture of U2N relay based on layer 3.
- a direct link (PC5 link) is established between the remote UE and the relay UE, and the relay UE is connected to the network device through an air interface (Uu interface).
- the relay UE can use a protocol data unit (PDU) session to relay data from the remote UE for the remote UE.
- PDU session is configured with a corresponding data type.
- the data type may include, for example, one or more of the following data types: internet protocol version 4 (IPv4), internet protocol version 6 (IPv6), Ethernet, and unstructured.
- IPv4 internet protocol version 4
- IPv6 internet protocol version 6
- Ethernet Ethernet
- the relay UE and the remote UE need to obtain necessary configuration parameters before relay communication. These configuration parameters can come from the PCF or application server, or they can be pre-configured in the UE or the UE's subscriber identity module (SIM) card.
- SIM subscriber identity module
- the remote UE needs to discover a suitable relay UE and establish a direct link with the relay UE.
- the discovery process of the relay UE may include two discovery modes, namely model A and model B.
- FIG4 shows the discovery process based on model A.
- the relay UE sends (or broadcasts, such as periodically broadcasting) a discovery announcement message, and carries the relay service code (RSC) that it can provide relay service in the discovery announcement message.
- FIG5 shows the discovery process based on model B.
- model B the remote UE actively sends a discovery solicitation message, and carries the RSC of the relay service it needs in the discovery solicitation message. Then, the remote UE discovers and selects the relay UE through the discovery response message returned by the relay UE.
- the relay UE and the remote UE can establish a PC5 connection.
- PWS public warning system
- network equipment such as base stations
- PSTN public warning system
- Public warning messages can be used to notify UEs of relevant warning information such as earthquakes and/or tsunamis.
- Some standards (for example, see document S2-2307647 adopted in 3GPP SA2#157 meeting) standardize the relaying of public warning information from relay UE to remote UE.
- the standard states that the relay UE can relay public warning information to the remote UE, and when relaying the public warning message, the remote UE is not required to establish a direct link (or PC5 connection) with the relay UE. In other words, the relay UE can broadcast the public warning information to the remote UE in a broadcast manner.
- the network equipment will configure the layer 2 identification (L2ID) and quality of service (QoS) parameters for sending and receiving public warning messages for the relay UE and the remote UE.
- L2ID layer 2 identification
- QoS quality of service
- warning messages such as the public warning messages mentioned above
- the embodiment of the present application introduces indication information associated with the warning message (hereinafter referred to as the first indication information).
- the relay UE can send the first indication information to the remote UE (see step S610 in Figure 6) to assist in the transmission of the warning message.
- the relay UE may send the first indication information to a specific remote UE, or may send the first indication information to an unspecified remote UE.
- the relay UE may send the first indication information to an unspecified remote UE, for example, by broadcasting the first indication information.
- step S610 may also be replaced by the relay UE sending or broadcasting the first indication information.
- the embodiment of the present application does not specifically limit the timing of sending the first indication information or the bearing method. Two possible implementation methods are given below in combination with Embodiment 1 and Embodiment 2.
- Embodiment 1 The first indication information is transmitted through the first discovery message (or the first indication information is carried in the first discovery message)
- the first discovery message may be a discovery announcement message. That is, the discovery process may be performed between the relay UE and the remote UE in mode A. In mode A, the relay UE broadcasts the discovery announcement message; while broadcasting the discovery announcement message, the relay UE may carry the first indication information in the discovery announcement message.
- the first discovery message may be a discovery response message. That is, the discovery process may be performed between the relay UE and the remote UE in mode B. In mode B, the remote UE first sends a discovery solicitation message. After receiving the discovery solicitation message, if the relay UE decides to provide service to the remote UE, it will send a discovery response message to the remote UE; while sending the discovery response message, the relay UE may carry the first indication information in the discovery response message.
- the first indication information may be used to indicate a warning message (such as a public warning message or a PWS message). Therefore, in this embodiment, the first indication information may also be referred to as indication information of a warning message, or a warning message indication (such as a public warning message indication). Alternatively, the first indication information may also be referred to as a public warning system indication (PWS indication).
- a warning message such as a public warning message or a PWS message
- PWS indication public warning system indication
- the first indication information may be used to indicate that the relay UE is capable of relaying the warning message.
- the first indication information may be used to indicate that a direct link is not established between the relay UE and the remote UE (or that a direct link does not need to be established). In some embodiments, the first indication information indicates that a direct link does not need to be established between the relay UE and the remote UE, which may indicate that the relay UE is capable of relaying the warning message (because the warning message can be transmitted by broadcasting and does not require a direct link).
- the first indication information may be used to simultaneously indicate that the relay UE is capable of relaying the warning message, and that a direct link does not need to be established between the relay UE and the remote UE.
- the first indication information can be represented by 2 bits. If the value of the 2 bits is the first value (such as "01"), it can indicate that the relay UE can relay the alarm message. If the value of the 2 bits is the second value (such as "10"), it can indicate that there is no need to establish a direct link between the relay UE and the remote UE. If the value of the 2 bits is the third value (such as "11"), it can indicate that the relay UE can relay the alarm message, and there is no need to establish a direct link between the relay UE and the remote UE.
- the first indication information may be a relay service code (or indicated by a relay service code).
- the value of the relay service code is a first value, it may represent that the relay service code is the first indication information or indicates the first indication information.
- the first value may be, for example, a special value of the relay service code.
- the first indication information may be a new parameter (or indicated by a new parameter).
- a new parameter may be added to the first discovery message (such as a discovery notification message or a discovery response message), and the parameter may be used to indicate the first indication information.
- the new parameter may be an information element (IE) in the first discovery message.
- the IE may include an ID, that is, IEI. That is, if the first discovery message includes an IE with the ID, it means that the first discovery message includes the first indication information.
- the IE also includes one or more fields.
- the one or more fields may include one or more bits.
- the first indication information may be indicated based on the one or more bits.
- the IE may also be represented by 1 bit.
- the first indication information may include a warning message.
- the first indication information may be a container including the warning message.
- the remote UE may obtain the warning message from the first indication information.
- the remote UE may find the container from the first discovery message and extract the warning message from the container.
- the discovery request message sent by the remote UE may include second indication information.
- the second indication information may be indication information associated with an alarm message.
- the second indication information may be used to indicate that the remote UE expects or needs to receive an alarm message.
- the second indication information may be used to indicate that the remote UE expects or needs to receive an alarm message relayed by a relay UE.
- the second indication information may be referred to as an alarm message request indication, or a public alarm system request indication (PWS request indication).
- the second indication information may be used to indicate that the remote UE does not expect to establish a direct link with the relay UE. In some embodiments, the second indication information indicates that the remote UE does not expect to establish a direct link with the relay UE, which may indicate that the remote UE needs to receive a warning message relayed by the relay UE in a broadcast manner.
- the second indication information may be used to simultaneously indicate that the remote UE expects or needs to receive a warning message, and that the remote UE does not expect to establish a direct link with the relay UE.
- the second indication information may be a relay service code (or indicated by a relay service code).
- the value of the relay service code is the second value, it represents the second indication information.
- the second value may be, for example, a special value of the relay service code.
- the first indication information and the second indication information are the first RSC and the second RSC, respectively, and the values of the first RSC and the second RSC are the same.
- the second indication information may be a new parameter (or indicated by a new parameter).
- a new parameter is added to the request message, and the parameter is used to indicate the second indication information.
- the new parameter may be, for example, an IE in the discovery request message.
- the IE may include an ID, that is, IEI. That is, if the discovery request message includes an IE with the ID, it means that the discovery request message includes the second indication information.
- the IE may also include one or more fields.
- the one or more fields may include one or more bits.
- the second indication information may be indicated based on the one or more bits.
- the IE may also be represented by 1 bit.
- the first indication information and the second indication information may be represented by the same parameter.
- the remote UE may not establish a direct link with the relay UE.
- the remote UE may start to monitor the alarm message relayed by the relay UE. That is, the remote UE does not need to monitor the alarm message relayed by the relay UE all the time, but starts to monitor the alarm message relayed by the relay UE after receiving the first indication information, thereby reducing the power consumption of the remote UE.
- the remote UE may establish a QoS flow (QoS flow) of the receiving end according to the QoS parameters configured by the network device. Then, the remote UE may receive the alarm message through the QoS flow based on the layer 2 identifier corresponding to the alarm message configured by the network device.
- QoS flow QoS flow
- the remote UE can determine that it is not necessary to establish a direct link with the relay UE according to the first indication information, and start to monitor the warning message relayed by the relay UE. It can be seen that in this embodiment, the remote UE does not need to establish a direct link with the relay UE to monitor and attempt to receive the warning message.
- the remote UE may establish a direct link with the relay UE.
- the direct link may be used, for example, for the remote UE and the relay UE to transmit service data other than the warning message.
- the relay UE may start to monitor the warning message relayed by the relay UE.
- the remote UE learns from the first indication information that the relay UE will relay the warning message, so the remote UE may first establish a direct link with the relay UE to transmit other service data other than the warning message; after the direct link is established, the remote UE may start to monitor and receive the warning message.
- the warning message may be transmitted via a direct link between the relay UE and the remote UE.
- Embodiment 2 The first indication information is transmitted via a direct link
- the first indication information is transmitted via a discovery message.
- the relay UE transmits the first indication information via a direct link between the relay UE and the remote UE.
- the first indication information is carried in a first signaling
- the first signaling is a signaling transmitted on a direct link between the relay UE and the remote UE.
- the first signaling may be signaling of the ProSe layer.
- the first signaling may be signaling of the radio resource control (PC5-radio resource control, PC5-RRC) layer of the PC5 interface.
- PC5-radio resource control PC5-RRC
- the PC5-RRC layer may notify the ProSe layer that it needs to receive a PWS message.
- the first indication information may be triggered by a network device.
- the relay UE may receive third indication information sent by the network device.
- the third indication information may be used to instruct the relay UE to receive the warning message, or the third indication information may be used to instruct the relay UE to relay the warning message to the remote UE.
- the relay UE After receiving the third indication information, the relay UE sends the first indication information to the remote UE.
- the network device may be a base station or a core network element (such as AMF).
- AMF core network element
- the first indication information may be used to indicate that the relay UE is ready to send a warning message, or to indicate that the remote UE is ready to receive a warning message.
- the remote UE may start to monitor the alarm message relayed by the relay UE. That is, the remote UE does not need to monitor the alarm message relayed by the relay UE all the time, but starts to monitor the alarm message relayed by the relay UE after receiving the first indication information, thereby reducing the power consumption of the remote UE.
- the remote UE may establish a QoS flow (QoS flow) of the receiving end according to the QoS parameters configured by the network device. Then, the remote UE may receive the alarm message through the QoS flow based on the layer 2 identifier corresponding to the alarm message configured by the network device.
- QoS flow QoS flow
- the warning message may be transmitted via a direct link between the relay UE and the remote UE.
- warning message mentioned in the embodiments of the present application may refer to or be replaced by a public warning message or a public warning system message.
- the warning message may, for example, indicate information related to an earthquake and/or a tsunami.
- the direct link mentioned in the embodiment of the present application may refer to a PC5 link, for example.
- the direct link mentioned in the embodiment of the present application may refer to a link used for unicast transmission.
- Fig. 7 is an example diagram of a wireless communication method provided by an embodiment of the present application.
- a discovery process based on mode A is performed between the remote UE and the relay UE, and the PWS indication is carried in the discovery notification message.
- the relay UE sends a discovery notification message.
- the discovery notification message includes a PWS indication.
- the PWS indication may indicate that the relay UE is capable of relaying PWS messages. Alternatively, the PWS indication may indicate that a direct link does not need to be established.
- the PWS indication may be a special value of RSC.
- the PWS indication may be a new parameter (such as an IE) carried in the discovery notification message.
- the new parameter may include an IE identifier.
- the new parameter may include an IEI and one or more fields, and the one or more fields may include one or more bits. If a bit in the one or more bits has a value of "1", it means that the parameter is a PWS indication.
- the new parameter may be a container containing a PWS message.
- step S720 the remote UE determines that it is not necessary to establish a direct link with the relay UE according to the PWS indication, and the remote UE starts to monitor the PWS message relayed by the relay UE.
- the remote UE may obtain the warning message from the container.
- the remote UE still establishes a direct link with the relay UE.
- the direct link can be used to transmit other services besides PWS messages.
- the remote UE can be informed by the PWS indication that the relay UE will relay the PWS message. Therefore, after the direct link is established, the remote UE starts to monitor and receive PWS messages.
- Fig. 8 is another example diagram of a wireless communication method provided by an embodiment of the present application.
- a discovery process based on mode B is performed between the remote UE and the relay UE, and the PWS indication is carried in the discovery response message.
- step S810 when the remote UE needs to find a relay UE that can relay the PWS message, the remote UE sends a discovery request message.
- the discovery request message contains a PWS request indication.
- the PWS request indication may indicate that the remote UE needs to receive a relayed PWS message. Alternatively, the PWS request indication may indicate that the remote UE does not want to establish a direct link.
- the PWS request indication may be a special value of RSC. Alternatively, the PWS indication may be a new parameter in the discovery request message.
- the relay UE After the relay UE receives the discovery request message, it can be informed that the remote UE needs to receive the PWS message according to the PWS request indication in the discovery request message.
- the relay UE sends a discovery response message, and the discovery response message includes a PWS indication.
- the PWS indication can indicate that the relay UE can relay the PWS message.
- the PWS indication can indicate that a direct link does not need to be established.
- the PWS indication may be a special value of the RSC. Further, in some embodiments, the PWS request indication and the PWS indication may be the first RSC and the second RSC, respectively, and the values of the first RSC and the second RSC are the same.
- the PWS indication may be a new parameter carried in the discovery notification message.
- the new parameter may include a parameter identifier.
- the new parameter may include a parameter identifier and one or more fields.
- the one or more fields may include one or more bits, and a bit in the one or more bits may have a value of "1", representing the PWS indication.
- the new parameter may be a container containing a PWS message. Further, in some embodiments, the PWS request indication and the PWS indication may correspond to the same parameter.
- step S830 the remote UE determines that it does not need to establish a direct link with the relay UE according to the PWS indication and starts to monitor the PWS message relayed by the relay UE.
- the remote UE can implement the relay of PWS messages without establishing a direct link with the relay UE.
- the remote UE still establishes a direct link with the relay UE.
- the direct link can be used to transmit other services besides PWS messages.
- the remote UE can know that the relay UE will relay the PWS message according to the PWS indication. Therefore, after the direct link is established, the remote UE starts to monitor and receive PWS messages.
- Figure 9 is another example diagram of a wireless communication method provided by an embodiment of the present application.
- a direct link is first established between the remote UE and the relay UE, and then the relay UE sends a first signaling carrying a PWS indication to the remote UE through the direct link, thereby instructing the remote UE to start monitoring PWS messages.
- a remote UE establishes a direct link with a relay UE.
- the direct link may be established based on a discovery process.
- step S920 when the relay UE needs to relay a PWS message, the relay UE sends a first signaling to the remote UE.
- the relay UE when the relay UE receives an indication of a relay PWS message sent by a base station or a core network element (such as an AMF), the relay UE sends the above-mentioned first signaling to the remote UE.
- a relay PWS message sent by a base station or a core network element (such as an AMF)
- the relay UE sends the above-mentioned first signaling to the remote UE.
- the first signaling may carry a PWS indication, and the PWS indication may be used to indicate to the remote UE that a PWS message needs to be received.
- the first signaling may be signaling of the ProSe layer; or, the first signaling may be signaling of the PC5-RRC layer.
- step S930 after receiving the PWS indication, the remote UE establishes a QoS flow at the receiving end according to the QoS parameters configured by the network device. Then, the remote UE can start to monitor and receive PWS messages. In addition, if the PWS indication is transmitted using signaling of the PC5RRC layer, the PC5RRC layer can notify the ProSe layer that it needs to receive the PWS message.
- FIG10 is a schematic diagram of the structure of a UE provided by an embodiment of the present application.
- the UE 1000 of FIG10 may be the relay UE mentioned above.
- the relay UE includes a communication module 1010.
- the communication module 1010 may be used to send a first indication information to a remote UE, wherein the first indication information is associated with an alarm message.
- the first indication information is carried in a first discovery message.
- the first discovery message is a discovery notification message or a discovery response message.
- the communication module 1010 is also used to: before the relay UE sends the first indication information to the remote UE, receive a discovery request message sent by the remote UE, and the discovery request message includes second indication information, and the second indication information is used to indicate one or more of the following: the remote UE expects to receive the alarm message; the remote UE does not expect to establish a direct link with the relay UE.
- the second indication information is a relay service code.
- the first indication information is used to indicate one or more of the following: the relay UE is capable of relaying the warning message; and there is no need to establish a direct link between the relay UE and the remote UE.
- the first indication information is a relay service code; or, the first indication information includes the warning message.
- the relay UE after the relay UE sends the first indication information to the remote UE, the relay UE does not establish a direct link with the remote UE; or, after the relay UE sends the first indication information to the remote UE, the relay UE and the remote UE transmit business data other than the warning message through a direct link.
- the first indication information is carried in a first signaling
- the first signaling is a signaling transmitted on a direct link between the relay UE and the remote UE.
- the first signaling is signaling of the ProSe layer or the PC5-RRC layer.
- the communication module 1010 is further used to: before the relay UE sends the first indication information to the remote UE, receive third indication information sent by the network device, and the third indication information is used to instruct the relay UE to relay the alarm message to the remote UE.
- the first indication information is used to instruct the remote UE to receive the warning message.
- FIG11 is a schematic diagram of the structure of a UE provided in another embodiment of the present application.
- the UE 1100 of FIG11 may be the remote UE mentioned above.
- the remote UE includes a communication module 1110.
- the communication module 1110 may be used to receive first indication information sent by a relay UE, wherein the first indication information is associated with an alarm message.
- the first indication information is carried in a first discovery message.
- the first discovery message is a discovery notification message or a discovery response message.
- the communication module 1110 is also used to: before the remote UE receives the first indication information sent by the relay UE, send a discovery request message to the relay UE, and the discovery request message includes second indication information, and the second indication information is used to indicate one or more of the following: the remote UE expects to receive the alarm message; the remote UE does not expect to establish a direct link with the relay UE.
- the second indication information is a relay service code.
- the first indication information is used to indicate one or more of the following: the relay UE is capable of relaying the warning message; and there is no need to establish a direct link between the relay UE and the remote UE.
- the first indication information is a relay service code; or, the first indication information includes the warning message.
- the remote UE after the remote UE receives the first indication information sent by the relay UE, the remote UE does not establish a direct link with the relay UE; or, after the remote UE receives the first indication information sent by the relay UE, the remote UE and the relay UE transmit business data other than the alarm message through a direct link.
- the first indication information is carried in a first signaling
- the first signaling is a signaling transmitted on a direct link between the relay UE and the remote UE.
- the first signaling is signaling of the ProSe layer or the PC5-RRC layer.
- the first indication information is used to instruct the remote UE to receive the warning message.
- the remote UE further includes: a processing module, configured to monitor the warning message broadcast by the relay UE after the remote UE receives the first indication information sent by the relay UE; or, to obtain the warning message from the first indication information.
- a processing module configured to monitor the warning message broadcast by the relay UE after the remote UE receives the first indication information sent by the relay UE; or, to obtain the warning message from the first indication information.
- FIG12 is a schematic structural diagram of a communication device according to an embodiment of the present application.
- the dotted lines in FIG12 indicate that the unit or module is optional.
- the device 1200 may be used to implement the method described in the above method embodiment.
- the device 1200 may be a chip, a UE, or a network device.
- the device 1200 may include one or more processors 1210.
- the processor 1210 may support the device 1200 to implement the method described in the above method embodiment.
- the processor 1210 may be a general-purpose processor or a dedicated processor.
- the processor may be a central processing unit Central processing unit (CPU).
- the processor may be other general-purpose processors, digital signal processors (DSP), application specific integrated circuits (ASIC), field programmable gate arrays (FPGA) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
- a general-purpose processor may be a microprocessor or the processor may be any conventional processor, etc.
- the apparatus 1200 may further include one or more memories 1220.
- the memory 1220 stores a program, which can be executed by the processor 1210, so that the processor 1210 executes the method described in the above method embodiment.
- the memory 1220 may be independent of the processor 1210 or integrated in the processor 1210.
- the apparatus 1200 may further include a transceiver 1230.
- the processor 1210 may communicate with other devices or chips through the transceiver 1230.
- the processor 1210 may transmit and receive data with other devices or chips through the transceiver 1230.
- the present application also provides a computer-readable storage medium for storing a program.
- the computer-readable storage medium can be applied to a terminal or network device provided in the present application, and the program enables a computer to execute the method performed by the terminal or network device in each embodiment of the present application.
- the embodiment of the present application also provides a computer program product.
- the computer program product includes a program.
- the computer program product can be applied to the terminal or network device provided in the embodiment of the present application, and the program enables the computer to execute the method performed by the terminal or network device in each embodiment of the present application.
- the embodiment of the present application also provides a computer program.
- the computer program can be applied to the terminal or network device provided in the embodiment of the present application, and the computer program enables a computer to execute the method executed by the terminal or network device in each embodiment of the present application.
- the "indication" mentioned can be a direct indication, an indirect indication, or an indication of an association relationship.
- a indicates B which can mean that A directly indicates B, for example, B can be obtained through A; it can also mean that A indirectly indicates B, for example, A indicates C, and B can be obtained through C; it can also mean that there is an association relationship between A and B.
- B corresponding to A means that B is associated with A, and B can be determined according to A.
- determining B according to A does not mean determining B only according to A, and B can also be determined according to A and/or other information.
- the term "corresponding" may indicate that there is a direct or indirect correspondence between the two, or an association relationship between the two, or a relationship of indication and being indicated, configuration and being configured, etc.
- pre-definition or “pre-configuration” can be implemented by pre-saving corresponding codes, tables or other methods that can be used to indicate relevant information in a device (for example, including UE and network equipment), and the present application does not limit the specific implementation method.
- pre-definition can refer to what is defined in the protocol.
- the “protocol” may refer to a standard protocol in the communication field, for example, it may include an LTE protocol, an NR protocol, and related protocols used in future communication systems, and the present application does not limit this.
- the term "and/or" is only a description of the association relationship of the associated objects, indicating that there can be three relationships.
- a and/or B can represent: A exists alone, A and B exist at the same time, and B exists alone.
- the character "/" in this article generally indicates that the associated objects before and after are in an "or" relationship.
- the size of the serial numbers of the above-mentioned processes does not mean the order of execution.
- the execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.
- the disclosed systems, devices and methods can be implemented in other ways.
- the device embodiments described above are only schematic.
- the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.
- Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
- all or part of the embodiments may be implemented by software, hardware, firmware, or any combination thereof.
- all or part of the embodiments may be implemented in the form of a computer program product.
- the computer program product includes one or more computer instructions.
- the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device.
- the computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium.
- the computer instructions may be transmitted from one website, computer, server or data center to another website, computer, server or data center by wired (e.g., coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means.
- the computer-readable storage medium may be any available medium that can be read by a computer or a data storage device such as a server or data center that includes one or more available media integrated therein.
- the available medium may be a magnetic medium (e.g., a floppy disk, a hard disk, a magnetic tape), an optical medium (e.g., a digital video disc (DVD)) or a semiconductor medium (e.g., a solid state disk (SSD)), etc.
- a magnetic medium e.g., a floppy disk, a hard disk, a magnetic tape
- an optical medium e.g., a digital video disc (DVD)
- DVD digital video disc
- SSD solid state disk
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Abstract
提供了一种无线通信的方法和用户设备。所述方法包括:中继用户设备向远端用户设备发送第一指示信息,所述第一指示信息与告警消息关联。本申请实施例引入了与告警消息关联的指示信息,并在中继用户设备与远端用户设备之间交互该指示信息,有助于实现告警消息的广播。
Description
本申请涉及通信技术领域,并且更为具体地,涉及一种无线通信的方法及用户设备(user equipment,UE)。
在UE到网络中继(UE-to-network relay,U2N relay)场景中,标准规定中继UE可以采用广播的方式发送告警消息,但具体应当如何实现,目前还没有明确的方案。
发明内容
本申请提供一种无线通信的方法及用户设备。下面对本申请涉及的各个方面进行介绍。
第一方面,提供了一种无线通信的方法,包括:中继UE向远端UE发送第一指示信息,所述第一指示信息与告警消息关联。
第二方面,提供一种无线通信的方法,包括:远端UE接收中继UE发送的第一指示信息,所述第一指示信息与告警消息关联。
第三方面,提供一种UE,所述UE为中继UE,所述中继UE包括:通信模块,用于向远端UE发送第一指示信息,所述第一指示信息与告警消息关联。
第四方面,提供一种UE,所述UE为远端UE,所述远端UE包括:通信模块,用于接收中继UE发送的第一指示信息,所述第一指示信息与告警消息关联。
第五方面,提供一种UE,包括收发器、存储器和处理器,所述存储器用于存储程序,所述处理器用于调用所述存储器中的程序,并控制所述收发器接收或发送信号,以使所述UE执行如第一方面或第二方面所述的方法。
第六方面,提供一种装置,包括处理器,用于从存储器中调用程序,以使所述装置执行如第一方面或第二方面所述的方法。
第七方面,提供一种芯片,包括处理器,用于从存储器调用程序,使得安装有所述芯片的设备执行如第一方面或第二方面所述的方法。
第八方面,提供一种计算机可读存储介质,其上存储有程序,所述程序使得计算机执行如第一方面或第二方面所述的方法。
第九方面,提供一种计算机程序产品,包括程序,所述程序使得计算机执行如第一方面或第二方面所述的方法。
第十方面,提供一种计算机程序,所述计算机程序使得计算机执行如第一方面或第二方面所述的方法。
本申请实施例引入了与告警消息关联的指示信息,并在中继UE与远端UE之间交互该指示信息,有助于实现告警消息的广播。
图1为可应用本申请实施例的无线通信系统的系统架构示例图。
图2为新无线(new radio,NR)系统的核心网的架构图。
图3为U2N relay的系统架构示例图。
图4为基于模式A的发现流程的流程示意图。
图5为基于模式B的发现流程的流程示意图。
图6是本申请实施例提供的无线通信方法的流程示意图。
图7是图6的一种可能的实现方式的流程示意图。
图8是图6的另一种可能的实现方式的流程示意图。
图9是图6的另一种可能的实现方式的流程示意图。
图10是本申请一个实施例提供的UE的结构示意图。
图11是本申请另一实施例提供的UE的结构示意图。
图12是本申请实施例的装置的示意图。
下面将结合附图,对本申请中的技术方案进行描述。
无线通信系统
图1是可应用本申请实施例的无线通信系统100的系统架构示例图。该无线通信系统100可以包括网络设备110和UE 120。网络设备110可以是与UE 120通信的设备。网络设备110可以为特定的地理区域提供网络覆盖,并且可以与位于该覆盖区域内的UE 120进行通信。UE 120可以通过网络设备110接入网络(如无线网络)。可选地,该无线通信系统100还可以包括网络控制器、移动管理实体等其他网络实体,本申请实施例对此不作限定。
应理解,本申请实施例的技术方案可以应用于各种通信系统,例如:第五代(5th generation,5G)系统或NR、长期演进(long term evolution,LTE)系统、LTE频分双工(frequency division duplex,FDD)系统、LTE时分双工(time division duplex,TDD)等。本申请提供的技术方案还可以应用于未来的通信系统,如第六代移动通信系统,又如卫星通信系统,等等。
本申请实施例中的UE也可称为终端设备、接入终端、用户单元、用户站、移动站、移动台(mobile station,MS)、移动终端(mobile Terminal,MT)、远方站、远程终端、移动设备、用户终端、终端、无线通信设备、用户代理或用户装置。本申请实施例中的UE可以是指向用户提供语音和/或数据连通性的设备,可以用于连接人、物和机,例如具有无线连接功能的手持式设备、车载设备等。本申请的实施例中的UE可以是手机(mobile phone)、平板电脑(Pad)、笔记本电脑、掌上电脑、移动互联网设备(mobile internet device,MID)、可穿戴设备,虚拟现实(virtual reality,VR)设备、增强现实(augmented reality,AR)设备、工业控制(industrial control)中的无线终端、无人驾驶(self driving)中的无线终端、远程手术(remote medical surgery)中的无线终端、智能电网(smart grid)中的无线终端、运输安全(transportation safety)中的无线终端、智慧城市(smart city)中的无线终端、智慧家庭(smart home)中的无线终端等。可选地,UE可以用于充当基站。例如,UE可以充当调度实体,其在V2X或D2D等中的UE之间提供侧行链路信号。比如,蜂窝电话和汽车利用侧行链路信号彼此通信。蜂窝电话和智能家居设备之间通信,而无需通过基站中继通信信号。
本申请实施例中的网络设备可以是用于与UE通信的设备。该网络设备例如可以是接入网设备或无线接入网设备。比如,网络设备可以是基站。基站可以广义的覆盖如下中的各种名称,或与如下名称进行替换:节点B(NodeB)、演进型基站(evolved NodeB,eNB)、下一代基站(next generation NodeB,gNB)、中继站、接入点、传输点(transmitting and receiving point,TRP)、发射点(transmitting point,TP)、家庭基站、网络控制器、接入节点、无线节点、接入点(access piont,AP)、传输节点、收发节点、基带单元(base band unit,BBU)、射频拉远单元(remote radio unit,RRU)、有源天线单元(active antenna unit,AAU)、射频头(remote radio head,RRH)、中心单元(central unit,CU)、分布式单元(distributed unit,DU)、定位节点等。基站可以是宏基站、微基站、中继节点、施主节点或类似物,或其组合。
UE与UE之间可以通过侧行链路(sidelink)进行通信。侧行链路通信也可称为邻近服务(proximity services,ProSe)通信、单边通信、旁链通信、设备到设备(device to device,D2D)通信。
核心网架构
核心网是无线通信系统的重要组成部分。图2示出了NR系统的核心网的网络架构图。参见图2,NR系统的核心网可以包括以下功能实体中的一个或多个:接入和移动性管理功能(access and mobility management function,AMF)、会话管理功能(session management function,SMF)、策略控制功能(policy control function,PCF)、用户面功能(user plane function,UPF)、应用功能(application function,AF)、网络切片选择功能(network slice selection function,NSSF)、认证授权业务功能(authentication server function,AUSF)、统一数据管理(unified data management,UDM)等。下面对这些功能实体进行简要介绍。
AMF为核心网中的负责移动性管理的网元。除了对UE进行移动性管理之外,AMF还可以负责会话管理相关消息在UE和SMF之间的转发。
SMF为核心网中的负责会话管理的网元。除了会话管理之外,SMF还可以负责以下工作中的一种或多种:UE的网络互连协议(internet protocol,IP)地址分配和管理、选择可管理用户平面功能、策略控制、收费功能接口的终结点以及下行数据通知、为用户面功能配置路由信息等。
UPF为核心网中的用户面网元。UPF可以负责UE的用户数据的转发和接收。示例性地,UPF可以从数据网络(data network,DN)接收用户数据,并通过接入网设备将用户数据传输至UE。或者,UPF可以通过接入网设备接收UE发送的用户数据,然后将该用户数据转发到DN。UPF中的为UE提供服务的传输资源和调度功能可以由SMF管理和控制。
PCF为核心网中的负责策略控制的网元。PCF可以负责制定与UE的移动性管理、会话管理、计费
等相关的策略。
AF主要支持与第三代合作伙伴计划(3rd generation partnership project,3GPP)核心网交互来提供服务。或者说,AF可以用于传递应用侧对网络侧的需求。在一些实施例中,AF可以理解为第三方服务器,例如,AF可以是英特网中的应用服务器。在一些实施例中,AF也可以是内容提供商(content provider,CP)。
U2N relay
3GPP R17(release 17)提出使用ProSe项目来对近距离业务通信的方案进行设计。基于ProSe,可以使得无线通信系统支持一种或多种新的业务形态。例如,随着5G应用的不断发展,网络控制互动服务(network controlled interactive service,NCIS)业务作为一个新的业务形态被引入到标准中进行相关的标准化业务。NCIS业务主要针对的是增强现实(augmented reality,AR)/虚拟现实(virtual reality,VR)、游戏等应用。因此,NCIS业务对速率、时延、丢包率、编解码等指标有很高的要求。例如,对于VR游戏,业务数据的传输速率需要达到10Gbps,且丢包率不可超过10E-4。针对NCIS业务建立的会话为NCIS会话,在相同NCIS会话的UE可以认为组成一个NCIS组,例如:游戏中组队。ProSe项目的立项,可以使得无线通信系统更好地支持AR/VR等交互式业务。
Prose项目的一个重要场景是U2N relay场景。U2N relay是通过中继UE(relay UE)为远端UE(remote UE)中继远端UE的数据,从而使远端UE可以与网络设备进行通信。U2N relay包括基于层2的U2N relay和基于层3的U2N relay。
图3为基于层3的U2N relay的系统架构示例图。从图3可以看出,远端UE和中继UE之建立了直连链路(PC5链路),中继UE与网络设备之间通过空口(Uu口)连接。中继UE可以使用协议数据单元(protocol data unit,PDU)会话(sesseion)为远端UE中继来自远端UE的数据。每个PDU会话配置有对应的数据类型。该数据类型例如可以包括以下数据类型中的一种或多种:网际协议版本4(internet protocol version 4,IPv4),网际协议版本6(internet protocol version 6,IPv6),以太网(ethernet),无结构(Unstructured)。对于每个PDU会话而言,只有该PDU会话对应的数据类型才能通过PDU会话来传输。
为了实现中继通信,在进行中继通信之前,中继UE与远端UE需要获得必要的配置参数。这些配置参数可以来自PCF或应用服务器,也可以预配置在UE或者UE的用户身份模块(subscriber identity module,SIM)卡中。此外,远端UE在传输数据之前,需要先发现(discovery)合适的中继UE,并与该中继UE建立直连链路。
中继UE的发现过程可以包括两种发现模式,分别是模式A(model A)和模式B(model B)。图4示出的是基于模式A的发现流程。参见图4,在模式A中,中继UE会发送(或广播,如周期性广播)发现通告消息(discovery announcement message),并在发现通告消息中携带自己可以提供中继服务的中继服务码(relay service code,RSC)。图5示出的是基于模式B的发现流程。参见图5,在模式B中,远端UE会主动发送发现请求消息(discovery solicitation message),并在发现请求消息中携带自己需要的中继服务的RSC。然后,远端UE通过中继UE返回的发现响应消息(discovery response message)来发现和选择中继UE。发现流程结束之后,中继UE和远端UE可以建立PC5连接。
公共告警系统
在公共告警系统(public warning system,PWS)系统中,网络设备(如基站)会通过系统广播信息向网络设备覆盖范围内的UE发送公共告警消息(public warning message)。公共告警消息可用于向UE通知如地震和/或海啸等相关的告警信息。
某些标准(例如,可以参见3GPP SA2#157会议中通过了S2-2307647文稿)对中继UE向远端UE中继公共告警信息进行了标准化。该标准指出,中继UE可以向远端UE中继公共告警信息,且在中继公共告警消息时,不要求远端UE与中继UE建立直连链路(或PC5连接)。也就是说,中继UE可以以广播的方式向远端UE广播公共告警信息。为了支持公共告警消息的接收,网络设备会给中继UE和远端UE配置发送和接收公共告警消息的层2标识(L2ID)、服务质量(quality of service,QoS)参数。
目前标准规定中继UE可以采用广播的方式发送告警消息(如前文提到的公共告警消息),但具体应当如何实现,目前还没有明确的方案。例如,中继UE是否需要与远端UE建立直连连接。又如,中继UE如何实现告警消息的广播。又如,远端UE应当何时接收告警消息等。
针对上述问题中的一个或多个,本申请实施例引入了与告警消息关联的指示信息(下称第一指示信息)。在告警消息传输场景中,中继UE可以向远端UE发送该第一指示信息(参见图6中的步骤S610),以辅助告警消息的传输。
中继UE可以向特定的远端UE发送第一指示信息,也可以向不特定的远端UE发送第一指示信息。中继UE向不特定的远端UE发送第一指示信息,例如可以是中继UE广播第一指示信息。在一些实施
例中,步骤S610也可替换为中继UE发送或广播第一指示信息。
本申请实施例对第一指示信息的发送时机或承载方式不作具体限定,下面结合实施例一和实施例二,给出两种可能的实现方式。
实施例一:第一指示信息通过第一发现消息传输(或第一指示信息承载于第一发现消息中)
在一些实施例中,第一发现消息可以为发现通告消息(discovery announcement message)。也就是说,中继UE与远端UE之间可以采用模式A执行发现流程。在模式A中,中继UE会广播发现通告消息;在广播发现通告消息的同时,中继UE可以在发现通告消息中携带该第一指示信息。
在一些实施例中,第一发现消息可以为发现响应消息(discovery response message)。也就是说,中继UE与远端UE之间可以采用模式B执行发现流程。在模式B中,远端UE会先发送发现请求消息(discovery solicitation message)。中继UE在接收到发现请求消息之后,如果决定为远端UE提供服务,会向远端UE发送发现响应消息;在发送发现响应消息的同时,中继UE可以在发现响应消息中携带该第一指示信息。
在一些实施例中,第一指示信息可用于指示告警消息(如公共告警消息或PWS消息)。因此,在该实施例中,第一指示信息也可称为告警消息的指示信息,或告警消息指示(如公共告警消息指示)。或者,该第一指示信息也可称为公共告警系统指示(PWS indication)。
在一些实施例中,第一指示信息可用于指示中继UE能够中继告警消息。
在一些实施例中,第一指示信息可用于指示中继UE和远端UE之间不建立直连链路(或不需要建立直连链路)。在一些实施例中,第一指示信息指示中继UE和远端UE之间不需要建立直连链路,则可以表示中继UE能够中继告警消息(因为告警消息可以通过广播的方式传输,不需要直连链路)。
在一些实施例中,第一指示信息可用于同时指示中继UE能够中继告警消息,且中继UE和远端UE之间不需要建立直连链路。
例如,该第一指示信息可以采用2个比特表示。如果该2个比特的取值为第一值(如“01”),则可以表示中继UE能够中继告警消息。如果该2个比特的取值为第二值(如“10”),则可以表示中继UE和远端UE之间不需要建立直连链路。如果该2个比特的取值为第三值(如“11”),则可以表示中继UE能够中继告警消息,且中继UE和远端UE之间不需要建立直连链路。
在一些实施例中,第一指示信息可以是中继服务码(或通过中继服务码指示)。例如,如果中继服务码的取值为第一值,则可以代表该中继服务码为该第一指示信息或指示该第一指示信息。该第一值例如可以是中继服务码的某个特殊值。
在一些实施例中,第一指示信息可以是新的参数(或通过一个新的参数指示)。例如,可以在第一发现消息(如发现通告消息或发现响应消息)中添加一个新的参数,该参数可用于指示该第一指示信息。
该新的参数可以是第一发现消息中的信息单元(information element,IE)。该IE可以包含ID,也就是IEI。也就是说,如果第一发现消息中包含具有该ID的IE,则代表该第一发现消息包含第一指示信息。或者,该IE除了包含ID,还包含一个或多个字段。该一个或多个字段可以包含一个或多个比特。该第一指示信息可以基于该一个或多个比特进行指示。或者,该IE也可以采用1个比特表示。
在一些实施例中,第一指示信息可以包含告警消息。例如,第一指示信息可以是包含告警消息的容器。进一步地,在一些实施例中,远端UE可以从第一指示信息中获取告警消息。例如,远端UE可以从第一发现消息中找到该容器,并从该容器中提取该告警消息。
在一些实施例中,如果第一发现消息为发现响应消息,则远端UE发送的发现请求消息中可以包含第二指示信息。该第二指示信息可以是与告警消息关联的指示信息。该第二指示信息可用于指示远端UE期望或者需要接收告警消息。或者,该第二指示信息可用于指示远端UE期望或者需要接收中继UE中继的告警消息。在一些实施例中,该第二指示信息可以被称为告警消息请求指示,或者公共告警系统请求指示(PWS request indication)。
在一些实施例中,第二指示信息可用于指示远端UE不期望与中继UE建立直连链路。在一些实施例中,第二指示信息指示远端UE不期望与中继UE建立直连链路,可以表示远端UE需要接收中继UE以广播的方式中继的告警消息。
在一些实施例中,第二指示信息可用于同时指示远端UE期望或者需要接收告警消息,且远端UE不期望与中继UE建立直连链路。
在一些实施例中,第二指示信息可以是中继服务码(或通过中继服务码指示)。例如,如果中继服务码的取值为第二值,则代表该第二指示信息。该第二值例如可以是中继服务码的某个特殊值。或者,在一些实施例中,第一指示信息和第二指示信息分别为第一RSC和第二RSC,且第一RSC和第二RSC的取值相同。
在一些实施例中,第二指示信息可以是新的参数(或通过一个新的参数指示)。例如,可以在发现
请求消息中添加一个新的参数,该参数用于指示该第二指示信息。该新的参数例如可以是发现请求消息中的IE。该IE可以包含ID,也就是IEI。也就是说,如果发现请求消息中包含具有该ID的IE,则代表该发现请求消息包含第二指示信息。或者,该IE除了包含ID,还包含一个或多个字段。该一个或多个字段可以包含一个或多个比特。该第二指示信息可以基于该一个或多个比特进行指示。或者,该IE也可以采用1个比特表示。
进一步地,在一些实施例中,第一指示信息和第二指示信息可以采用同一参数表示。
在一些实施例中,在中继UE向远端UE发送第一指示信息(如通过第一发现消息发送的第一指示信息)之后,远端UE可以不与中继UE建立直连链路。
在一些实施例中,在中继UE向远端UE发送第一指示信息之后,远端UE可以开始监听中继UE中继的告警消息。也就是说,远端UE无需一直监听中继UE中继的告警消息,而是在收到第一指示信息之后再开始监听中继UE中继的告警消息,从而可以降低远端UE的功耗。例如,远端UE可以根据网络设备配置的QoS参数建立接收端的QoS流(QoS flow)。然后,远端UE可以基于网络设备配置的告警消息对应的层二标识,通过该QoS流接收告警消息。
在一些实施例中,在中继UE向远端UE发送第一指示信息之后,远端UE可以根据第一指示信息判断不需要与中继UE建立直连链路,并开始监听中继UE中继的告警消息。由此可见,在本实施例中,远端UE不需要与中继UE建立直连链路,即可监听并尝试接收告警消息。
在一些实施例中,在中继UE向远端UE发送第一指示信息之后,远端UE可以与中继UE建立直连链路。该直连链路例如可用于远端UE和中继UE传输除告警消息之外的业务数据。进一步地,中继UE可以开始监听中继UE中继的告警消息。例如,远端UE根据第一指示信息获知中继UE会中继告警消息,因此,远端UE可以先与中继UE建立直连链路,从而传输除告警消息之外的其他业务数据;在直连链路建立完成之后,远端UE可以开始监听并接收告警消息。
在一些实施例中,告警消息可以通过中继UE和远端UE之间的直连链路传输。
实施例二:第一指示信息通过直连链路传输
实施例一中,第一指示信息是通过发现消息进行传输的。不同于实施例一,在实施例二中,中继UE通过中继UE与远端UE的直连链路传输该第一指示信息。
在一些实施例中,该第一指示信息承载于第一信令中,且该第一信令为中继UE与远端UE之间的直连链路上传输的信令。
在一些实施例中,该第一信令可以为ProSe层的信令。
在一些实施例中,该第一信令可以为PC5接口的无线资源控制(PC5-radio resource control,PC5-RRC)层的信令。
在一些实施例中,如果第一信令为PC5-RRC层的信令,则PC5-RRC层可以通知ProSe层需要接收PWS消息。
在一些实施例中,该第一指示信息可以是由网络设备触发的。例如,中继UE可以接收网络设备发送的第三指示信息。该第三指示信息可用于指示中继UE接收告警消息,或者该第三指示信息可用于指示中继UE向远端UE中继告警消息。在收到该第三指示信息之后,中继UE向远端UE发送该第一指示信息。
在一些实施例中,该网络设备可以是基站,也可以是核心网网元(如AMF)。
在一些实施例中,该第一指示信息可用于指示中继UE准备发送告警消息,或者指示远端UE接收告警消息。
在一些实施例中,在中继UE向远端UE发送第一指示信息之后,远端UE可以开始监听中继UE中继的告警消息。也就是说,远端UE无需一直监听中继UE中继的告警消息,而是在收到第一指示信息之后再开始监听中继UE中继的告警消息,从而可以降低远端UE的功耗。例如,远端UE可以根据网络设备配置的QoS参数建立接收端的QoS流(QoS flow)。然后,远端UE可以基于网络设备配置的告警消息对应的层二标识,通过该QoS流接收告警消息。
在一些实施例中,告警消息可以通过中继UE和远端UE之间的直连链路传输。
应理解,本申请实施例提及的告警消息可以指或替换为公共告警消息,或公共告警系统消息。该告警消息例如可以指示地震和/或海啸相关的信息。
还应理解,本申请实施例提及的直连链路例如可以是指PC5链路。或者,本申请实施例提及的直连链路可以指用于单播传输的链路。
下面以图7至图9为例,更加详细地描述本申请实施例。在图7至图9的示例中,前文提到的第一指示信息被示例性地称为PWS指示,第二指示信息被称为PWS请求指示,告警消息被示例性地称为PWS消息。应理解,图7至图9的例子仅仅是为了帮助本领域技术人员理解本申请实施例,而非要将
本申请实施例限于所例示的具体数值或具体场景。本领域技术人员根据所给出的图7至图9的例子,显然可以进行各种等价的修改或变化,这样的修改或变化也落入本申请实施例的范围内。
图7是本申请实施例提供的无线通信方法的一个示例图。在图7的示例中,远端UE与中继UE之间执行基于模式A的发现流程,且PWS指示被承载在发现通告消息中。
参见图7,在步骤S710中,中继UE发送发现通告消息。该发现通告消息包含PWS指示。该PWS指示可以指示中继UE能够中继PWS消息。或者,PWS指示可以指示不需要建立直连链路。该PWS指示可以是RSC的一个特殊取值。或者,该PWS指示可以是承载在发现通告消息中的一个新参数(如一个IE)。该新参数可以包含IE标识。或者,该新参数可以包含IEI以及一个或多个字段,且该一个或多个字段可以包含一个或多个比特。该一个或多个比特中的某个比特取值为“1”,则代表该参数为PWS指示。或者,该新参数可以是包含PWS消息的容器。
继续参见图7,在步骤S720中,远端UE根据PWS指示判断不需要与中继UE建立直连链路。并且,远端UE开始监听中继UE中继的PWS消息。
或者,如果PWS指示承载于发现通告消息中的新参数中,且该新参数是包含PWS消息的容器,则远端UE可以从该容器中获取该告警消息。
或者,远端UE仍然与中继UE建立直连链路。且该直连链路可用于传输除PWS消息之外的其它业务。此外,远端UE可以根据PWS指示获知中继UE会中继PWS消息。因此,在直连链路建立完成后,远端UE开始监听、接收PWS消息。
图8是本申请实施例提供的无线通信方法的另一示例图。在图8的示例中,远端UE与中继UE之间执行基于模式B的发现流程,且PWS指示被承载在发现响应消息中。
参见图8,在步骤S810中,在远端UE需要寻找可以中继PWS消息的中继UE的情况下,远端UE发送发现请求消息。该发现请求消息中包含PWS请求指示。该PWS请求指示可以指示远端UE需要接收中继的PWS消息。或者,该PWS请求指示可以指示远端UE不希望建立直连链路。该PWS请求指示可以是RSC的一个特殊取值。或者,该PWS指示可以是发现请求消息中的一个新参数。
中继UE接收发现请求消息后,可以根据发现请求消息中的PWS请求指示获知远端UE需要接收PWS消息。继续参见图8,在步骤S820,如果中继UE可以中继PWS消息,则中继UE发送发现响应消息,且该发现响应消息中包含PWS指示。该PWS指示可以指示中继UE能够中继PWS消息。或者,PWS指示可以指示不需要建立直连链路。
该PWS指示可以是RSC的一个特殊取值。进一步地,在一些实施例中,PWS请求指示和PWS指示可以分别为第一RSC和第二RSC,且第一RSC和第二RSC的取值相同。
或者,该PWS指示可以是承载在发现通告消息中的一个新参数。该新参数可以包含参数标识。或者,该新参数可以包含参数标识以及一个或多个字段。该一个或多个字段可以包含一个或多个比特,且该一个或多个比特中的某个比特取值为“1”,代表该PWS指示。或者,该新参数可以是包含PWS消息的容器。进一步地,在一些实施例中,PWS请求指示和PWS指示可以对应同一参数。
继续参见图8,在步骤S830,远端UE根据PWS指示判断不需要与中继UE建立直连链路并开始监听中继UE中继的PWS消息。也就是说,远端UE可以在不与中继UE建立直连链路的情况下,实现PWS消息的中继。
或者,远端UE仍然与中继UE建立直连链路。且该直连链路可用于传输除PWS消息之外的其它业务。此外,远端UE可以根据PWS指示知道中继UE会中继PWS消息。因此,在直连链路建立完成后,远端UE开始监听、接收PWS消息。
图9是本申请实施例提供的无线通信方法的另一示例图。在图9的示例中,远端UE与中继UE之间先建立了直连链路,然后,中继UE通过该直连链路向远端UE发送承载PWS指示的第一信令,从而指示远端UE开始监听PWS消息。
参见图9,在步骤S910,远端UE与中继UE建立直连链路。该直连链路可以基于发现流程建立。
在步骤S920中,当中继UE需要中继PWS消息时,中继UE向远端UE发送第一信令。
例如,当中继UE接收到基站或核心网网元(如AMF)发送的中继PWS消息的指示时,中继UE向远端UE发送上述第一信令。
该第一信令可以承载PWS指示。且该PWS指示可用于向远端UE指示有PWS消息需要接收。
该第一信令可以是ProSe层的信令;或者,该第一信令可以是PC5-RRC层的信令。
在步骤S930,远端UE收到PWS指示后,根据网络设备配置的QoS参数,建立接收端的QoS流。然后,远端UE可以开始监听、接收PWS消息。此外,如果使用PC5RRC层的信令传输PWS指示,则PC5RRC层可以通知ProSe层需要接收PWS消息。
上文结合图1至图9,详细描述了本申请的方法实施例,下面结合图10至图12,详细描述本申请
的装置实施例。应理解,方法实施例的描述与装置实施例的描述相互对应,因此,未详细描述的部分可以参见前面方法实施例。
图10是本申请一个实施例提供的UE的结构示意图。图10的UE 1000可以为前文提到的中继UE。所述中继UE包括通信模块1010。通信模块1010可用于向远端UE发送第一指示信息,所述第一指示信息与告警消息关联。
在一些实施例中,所述第一指示信息承载于第一发现消息中。
在一些实施例中,所述第一发现消息为发现通告消息或发现响应消息。
在一些实施例中,如果所述第一发现消息为发现响应消息,则所述通信模块1010还用于:在所述中继UE向远端UE发送第一指示信息之前,接收所述远端UE发送的发现请求消息,所述发现请求消息包含第二指示信息,所述第二指示信息用于指示以下中的一种或多种:所述远端UE期望接收所述告警消息;所述远端UE不期望与中继UE建立直连链路。
在一些实施例中,所述第二指示信息为中继服务码。
在一些实施例中,所述第一指示信息用于指示以下中的一种或多种:所述中继UE能够中继所述告警消息;以及所述中继UE和远端UE之间不需要建立直连链路。
在一些实施例中,所述第一指示信息为中继服务码;或者,所述第一指示信息包含所述告警消息。
在一些实施例中,在所述中继UE向远端UE发送第一指示信息之后,所述中继UE不与所述远端UE建立直连链路;或者,在所述中继UE向远端UE发送第一指示信息之后,所述中继UE与所述远端UE通过直连链路传输除所述告警消息之外的业务数据。
在一些实施例中,所述第一指示信息承载于第一信令中,且所述第一信令为所述中继UE与所述远端UE之间的直连链路上传输的信令。
在一些实施例中,所述第一信令为ProSe层或PC5-RRC层的信令。
在一些实施例中,所述通信模块1010还用于:在所述中继UE向远端UE发送第一指示信息之前,接收网络设备发送的第三指示信息,所述第三指示信息用于指示所述中继UE向所述远端UE中继所述告警消息。
在一些实施例中,所述第一指示信息用于指示所述远端UE接收所述告警消息。
图11是本申请另一实施例提供的UE的结构示意图。图11的UE 1100可以为前文提到的远端UE。所述远端UE包括通信模块1110。通信模块1110可用于接收中继UE发送的第一指示信息,所述第一指示信息与告警消息关联。
在一些实施例中,所述第一指示信息承载于第一发现消息中。
在一些实施例中,所述第一发现消息为发现通告消息或发现响应消息。
在一些实施例中,如果所述第一发现消息为发现响应消息,则所述通信模块1110还用于:在所述远端UE接收中继UE发送的第一指示信息之前,向所述中继UE发送发现请求消息,所述发现请求消息包含第二指示信息,所述第二指示信息用于指示以下中的一种或多种:所述远端UE期望接收所述告警消息;所述远端UE不期望与中继UE建立直连链路。
在一些实施例中,所述第二指示信息为中继服务码。
在一些实施例中,所述第一指示信息用于指示以下中的一种或多种:所述中继UE能够中继所述告警消息;以及所述中继UE和远端UE之间不需要建立直连链路。
在一些实施例中,所述第一指示信息为中继服务码;或者,所述第一指示信息包含所述告警消息。
在一些实施例中,在所述远端UE接收中继UE发送的第一指示信息之后,所述远端UE不与所述中继UE建立直连链路;或者,在所述远端UE接收中继UE发送的第一指示信息之后,所述远端UE与所述中继UE通过直连链路传输除所述告警消息之外的业务数据。
在一些实施例中,所述第一指示信息承载于第一信令中,且所述第一信令为所述中继UE与所述远端UE之间的直连链路上传输的信令。
在一些实施例中,所述第一信令为ProSe层或PC5-RRC层的信令。
在一些实施例中,所述第一指示信息用于指示所述远端UE接收所述告警消息。
在一些实施例中,所述远端UE还包括:处理模块,用于在所述远端UE接收中继UE发送的第一指示信息之后,监听所述中继UE广播的所述告警消息;或者,从所述第一指示信息中获取所述告警消息。
图12是本申请实施例的通信装置的示意性结构图。图12中的虚线表示该单元或模块为可选的。该装置1200可用于实现上述方法实施例中描述的方法。装置1200可以是芯片、UE或网络设备。
装置1200可以包括一个或多个处理器1210。该处理器1210可支持装置1200实现前文方法实施例所描述的方法。该处理器1210可以是通用处理器或者专用处理器。例如,该处理器可以为中央处理单
元(central processing unit,CPU)。或者,该处理器还可以是其他通用处理器、数字信号处理器(digital signal processor,DSP)、专用集成电路(application specific integrated circuit,ASIC)、现成可编程门阵列(field programmable gate array,FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
装置1200还可以包括一个或多个存储器1220。存储器1220上存储有程序,该程序可以被处理器1210执行,使得处理器1210执行前文方法实施例所描述的方法。存储器1220可以独立于处理器1210也可以集成在处理器1210中。
装置1200还可以包括收发器1230。处理器1210可以通过收发器1230与其他设备或芯片进行通信。例如,处理器1210可以通过收发器1230与其他设备或芯片进行数据收发。
本申请实施例还提供一种计算机可读存储介质,用于存储程序。该计算机可读存储介质可应用于本申请实施例提供的终端或网络设备中,并且该程序使得计算机执行本申请各个实施例中的由终端或网络设备执行的方法。
本申请实施例还提供一种计算机程序产品。该计算机程序产品包括程序。该计算机程序产品可应用于本申请实施例提供的终端或网络设备中,并且该程序使得计算机执行本申请各个实施例中的由终端或网络设备执行的方法。
本申请实施例还提供一种计算机程序。该计算机程序可应用于本申请实施例提供的终端或网络设备中,并且该计算机程序使得计算机执行本申请各个实施例中的由终端或网络设备执行的方法。
应理解,本申请中术语“系统”和“网络”可以被可互换使用。另外,本申请使用的术语仅用于对本申请的具体实施例进行解释,而非旨在限定本申请。本申请的说明书和权利要求书及所述附图中的术语“第一”、“第二”、“第三”和“第四”等是用于区别不同对象,而不是用于描述特定顺序。此外,术语“包括”和“具有”以及它们任何变形,意图在于覆盖不排他的包含。
在本申请的实施例中,提到的“指示”可以是直接指示,也可以是间接指示,还可以是表示具有关联关系。举例说明,A指示B,可以表示A直接指示B,例如B可以通过A获取;也可以表示A间接指示B,例如A指示C,B可以通过C获取;还可以表示A和B之间具有关联关系。
在本申请实施例中,“与A相应的B”表示B与A相关联,根据A可以确定B。但还应理解,根据A确定B并不意味着仅仅根据A确定B,还可以根据A和/或其它信息确定B。
在本申请实施例中,术语“对应”可表示两者之间具有直接对应或间接对应的关系,也可以表示两者之间具有关联关系,也可以是指示与被指示、配置与被配置等关系。
本申请实施例中,“预定义”或“预配置”可以通过在设备(例如,包括UE和网络设备)中预先保存相应的代码、表格或其他可用于指示相关信息的方式来实现,本申请对于其具体的实现方式不做限定。比如预定义可以是指协议中定义的。
本申请实施例中,所述“协议”可以指通信领域的标准协议,例如可以包括LTE协议、NR协议以及应用于未来的通信系统中的相关协议,本申请对此不做限定。
本申请实施例中术语“和/或”,仅仅是一种描述关联对象的关联关系,表示可以存在三种关系,例如,A和/或B,可以表示:单独存在A,同时存在A和B,单独存在B这三种情况。另外,本文中字符“/”,一般表示前后关联对象是一种“或”的关系。
在本申请的各种实施例中,上述各过程的序号的大小并不意味着执行顺序的先后,各过程的执行顺序应以其功能和内在逻辑确定,而不应对本申请实施例的实施过程构成任何限定。
在本申请所提供的几个实施例中,应该理解到,所揭露的系统、装置和方法,可以通过其它的方式实现。例如,以上所描述的装置实施例仅仅是示意性的,例如,所述单元的划分,仅仅为一种逻辑功能划分,实际实现时可以有另外的划分方式,例如多个单元或组件可以结合或者可以集成到另一个系统,或一些特征可以忽略,或不执行。另一点,所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口,装置或单元的间接耦合或通信连接,可以是电性,机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的,作为单元显示的部件可以是或者也可以不是物理单元,即可以位于一个地方,或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外,在本申请各个实施例中的各功能单元可以集成在一个处理单元中,也可以是各个单元单独物理存在,也可以两个或两个以上单元集成在一个单元中。
在上述实施例中,可以全部或部分地通过软件、硬件、固件或者其任意组合来实现。当使用软件实现时,可以全部或部分地以计算机程序产品的形式实现。所述计算机程序产品包括一个或多个计算机指令。在计算机上加载和执行所述计算机程序指令时,全部或部分地产生按照本申请实施例所述的流程或功能。所述计算机可以是通用计算机、专用计算机、计算机网络、或者其他可编程装置。所述计算机指
令可以存储在计算机可读存储介质中,或者从一个计算机可读存储介质向另一个计算机可读存储介质传输,例如,所述计算机指令可以从一个网站站点、计算机、服务器或数据中心通过有线(例如同轴电缆、光纤、数字用户线(digital subscriber line,DSL))或无线(例如红外、无线、微波等)方式向另一个网站站点、计算机、服务器或数据中心进行传输。所述计算机可读存储介质可以是计算机能够读取的任何可用介质或者是包含一个或多个可用介质集成的服务器、数据中心等数据存储设备。所述可用介质可以是磁性介质,(例如,软盘、硬盘、磁带)、光介质(例如,数字通用光盘(digital video disc,DVD))或者半导体介质(例如,固态硬盘(solid state disk,SSD))等。
以上所述,仅为本申请的具体实施方式,但本申请的保护范围并不局限于此,任何熟悉本技术领域的技术人员在本申请揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请的保护范围之内。因此,本申请的保护范围应以所述权利要求的保护范围为准。
Claims (54)
- 一种无线通信的方法,其特征在于,包括:中继用户设备UE向远端UE发送第一指示信息,所述第一指示信息与告警消息关联。
- 根据权利要求1所述的方法,其特征在于,所述第一指示信息承载于第一发现消息中。
- 根据权利要求2所述的方法,其特征在于,所述第一发现消息为发现通告消息或发现响应消息。
- 根据权利要求3所述的方法,其特征在于,如果所述第一发现消息为发现响应消息,则在所述中继UE向远端UE发送第一指示信息之前,所述方法还包括:所述中继UE接收所述远端UE发送的发现请求消息,所述发现请求消息包含第二指示信息,所述第二指示信息用于指示以下中的一种或多种:所述远端UE期望接收所述告警消息;所述远端UE不期望与中继UE建立直连链路。
- 根据权利要求4所述的方法,其特征在于,所述第二指示信息为中继服务码。
- 根据权利要求1-5中任一项所述的方法,其特征在于,所述第一指示信息用于指示以下中的一种或多种:所述中继UE能够中继所述告警消息;以及所述中继UE和远端UE之间不需要建立直连链路。
- 根据权利要求1-6中任一项所述的方法,其特征在于:所述第一指示信息为中继服务码;或者,所述第一指示信息包含所述告警消息。
- 根据权利要求1-7中任一项所述的方法,其特征在于:在所述中继UE向远端UE发送第一指示信息之后,所述中继UE不与所述远端UE建立直连链路;或者,在所述中继UE向远端UE发送第一指示信息之后,所述中继UE与所述远端UE通过直连链路传输除所述告警消息之外的业务数据。
- 根据权利要求1所述的方法,其特征在于,所述第一指示信息承载于第一信令中,且所述第一信令为所述中继UE与所述远端UE之间的直连链路上传输的信令。
- 根据权利要求9所述的方法,其特征在于,所述第一信令为邻近服务ProSe层或PC5接口的无线资源控制PC5-RRC层的信令。
- 根据权利要求9或10所述的方法,其特征在于,在所述中继UE向远端UE发送第一指示信息之前,所述方法还包括:所述中继UE接收网络设备发送的第三指示信息,所述第三指示信息用于指示所述中继UE向所述远端UE中继所述告警消息。
- 根据权利要求9-11中任一项所述的方法,其特征在于,所述第一指示信息用于指示所述远端UE接收所述告警消息。
- 一种无线通信的方法,其特征在于,包括:远端用户设备UE接收中继UE发送的第一指示信息,所述第一指示信息与告警消息关联。
- 根据权利要求13所述的方法,其特征在于,所述第一指示信息承载于第一发现消息中。
- 根据权利要求14所述的方法,其特征在于,所述第一发现消息为发现通告消息或发现响应消息。
- 根据权利要求15所述的方法,其特征在于,如果所述第一发现消息为发现响应消息,则在所述远端UE接收中继UE发送的第一指示信息之前,所述方法还包括:所述远端UE向所述中继UE发送发现请求消息,所述发现请求消息包含第二指示信息,所述第二指示信息用于指示以下中的一种或多种:所述远端UE期望接收所述告警消息;所述远端UE不期望与中继UE建立直连链路。
- 根据权利要求16所述的方法,其特征在于,所述第二指示信息为中继服务码。
- 根据权利要求13-17中任一项所述的方法,其特征在于,所述第一指示信息用于指示以下中的一种或多种:所述中继UE能够中继所述告警消息;以及所述中继UE和远端UE之间不需要建立直连链路。
- 根据权利要求13-18中任一项所述的方法,其特征在于:所述第一指示信息为中继服务码;或者,所述第一指示信息包含所述告警消息。
- 根据权利要求13-19中任一项所述的方法,其特征在于:在所述远端UE接收中继UE发送的第一指示信息之后,所述远端UE不与所述中继UE建立直连链路;或者,在所述远端UE接收中继UE发送的第一指示信息之后,所述远端UE与所述中继UE通过直连链路传输除所述告警消息之外的业务数据。
- 根据权利要求13所述的方法,其特征在于,所述第一指示信息承载于第一信令中,且所述第一信令为所述中继UE与所述远端UE之间的直连链路上传输的信令。
- 根据权利要求21所述的方法,其特征在于,所述第一信令为邻近服务ProSe层或PC5接口的无线资源控制PC5-RRC层的信令。
- 根据权利要求21或22所述的方法,其特征在于,所述第一指示信息用于指示所述远端UE接收所述告警消息。
- 根据权利要求13-23中任一项所述的方法,其特征在于,在所述远端UE接收中继UE发送的第一指示信息之后,所述方法还包括:所述远端UE监听所述中继UE广播的所述告警消息;或者,所述远端UE从所述第一指示信息中获取所述告警消息。
- 一种用户设备UE,其特征在于,所述UE为中继UE,所述中继UE包括:通信模块,用于向远端UE发送第一指示信息,所述第一指示信息与告警消息关联。
- 根据权利要求25所述的UE,其特征在于,所述第一指示信息承载于第一发现消息中。
- 根据权利要求26所述的UE,其特征在于,所述第一发现消息为发现通告消息或发现响应消息。
- 根据权利要求27所述的UE,其特征在于,如果所述第一发现消息为发现响应消息,则所述通信模块还用于:在所述中继UE向远端UE发送第一指示信息之前,接收所述远端UE发送的发现请求消息,所述发现请求消息包含第二指示信息,所述第二指示信息用于指示以下中的一种或多种:所述远端UE期望接收所述告警消息;所述远端UE不期望与中继UE建立直连链路。
- 根据权利要求28所述的UE,其特征在于,所述第二指示信息为中继服务码。
- 根据权利要求25-29中任一项所述的UE,其特征在于,所述第一指示信息用于指示以下中的一种或多种:所述中继UE能够中继所述告警消息;以及所述中继UE和远端UE之间不需要建立直连链路。
- 根据权利要求25-30中任一项所述的UE,其特征在于:所述第一指示信息为中继服务码;或者,所述第一指示信息包含所述告警消息。
- 根据权利要求25-31中任一项所述的UE,其特征在于:在所述中继UE向远端UE发送第一指示信息之后,所述中继UE不与所述远端UE建立直连链路;或者,在所述中继UE向远端UE发送第一指示信息之后,所述中继UE与所述远端UE通过直连链路传输除所述告警消息之外的业务数据。
- 根据权利要求25所述的UE,其特征在于,所述第一指示信息承载于第一信令中,且所述第一信令为所述中继UE与所述远端UE之间的直连链路上传输的信令。
- 根据权利要求33所述的UE,其特征在于,所述第一信令为邻近服务ProSe层或PC5接口的无线资源控制PC5-RRC层的信令。
- 根据权利要求33或34所述的UE,其特征在于,所述通信模块还用于:在所述中继UE向远端UE发送第一指示信息之前,接收网络设备发送的第三指示信息,所述第三指示信息用于指示所述中继UE向所述远端UE中继所述告警消息。
- 根据权利要求33-35中任一项所述的UE,其特征在于,所述第一指示信息用于指示所述远端UE接收所述告警消息。
- 一种用户设备UE,其特征在于,所述UE为远端UE,所述远端UE包括:通信模块,用于接收中继UE发送的第一指示信息,所述第一指示信息与告警消息关联。
- 根据权利要求37所述的UE,其特征在于,所述第一指示信息承载于第一发现消息中。
- 根据权利要求38所述的UE,其特征在于,所述第一发现消息为发现通告消息或发现响应消息。
- 根据权利要求39所述的UE,其特征在于,如果所述第一发现消息为发现响应消息,则所述通信模块还用于:在所述远端UE接收中继UE发送的第一指示信息之前,向所述中继UE发送发现请求消息,所述发现请求消息包含第二指示信息,所述第二指示信息用于指示以下中的一种或多种:所述远端UE期望接收所述告警消息;所述远端UE不期望与中继UE建立直连链路。
- 根据权利要求40所述的UE,其特征在于,所述第二指示信息为中继服务码。
- 根据权利要求37-41中任一项所述的UE,其特征在于,所述第一指示信息用于指示以下中的一种或多种:所述中继UE能够中继所述告警消息;以及所述中继UE和远端UE之间不需要建立直连链路。
- 根据权利要求37-42中任一项所述的UE,其特征在于:所述第一指示信息为中继服务码;或者,所述第一指示信息包含所述告警消息。
- 根据权利要求37-43中任一项所述的UE,其特征在于:在所述远端UE接收中继UE发送的第一指示信息之后,所述远端UE不与所述中继UE建立直连链路;或者,在所述远端UE接收中继UE发送的第一指示信息之后,所述远端UE与所述中继UE通过直连链路传输除所述告警消息之外的业务数据。
- 根据权利要求37所述的UE,其特征在于,所述第一指示信息承载于第一信令中,且所述第一信令为所述中继UE与所述远端UE之间的直连链路上传输的信令。
- 根据权利要求45所述的UE,其特征在于,所述第一信令为邻近服务ProSe层或PC5接口的无线资源控制PC5-RRC层的信令。
- 根据权利要求45或46所述的UE,其特征在于,所述第一指示信息用于指示所述远端UE接收所述告警消息。
- 根据权利要求37-47中任一项所述的UE,其特征在于,所述远端UE还包括:处理模块,用于在所述远端UE接收中继UE发送的第一指示信息之后,监听所述中继UE广播的所述告警消息;或者,从所述第一指示信息中获取所述告警消息。
- 一种用户设备UE,其特征在于,包括收发器、存储器和处理器,所述存储器用于存储程序,所述处理器用于调用所述存储器中的程序,并控制所述收发器接收或发送信号,以使所述UE执行如权利要求1-24中任一项所述的方法。
- 一种装置,其特征在于,包括处理器,用于从存储器中调用程序,以使所述装置执行如权利要求1-24中任一项所述的方法。
- 一种芯片,其特征在于,包括处理器,用于从存储器调用程序,使得安装有所述芯片的设备执行如权利要求1-24中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,其上存储有程序,所述程序使得计算机执行如权利要求1-24中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括程序,所述程序使得计算机执行如权利要求1-24中任一项所述的方法。
- 一种计算机程序,其特征在于,所述计算机程序使得计算机执行如权利要求1-24中任一项所述的方法。
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US20150280845A1 (en) * | 2012-11-06 | 2015-10-01 | Telefonaktiebolaget L M Ericsson (Publ) | Public warning system indication to users in connected mode |
CN110612728A (zh) * | 2017-05-04 | 2019-12-24 | 黑莓有限公司 | 提供公共警告系统消息 |
WO2021227608A1 (zh) * | 2020-05-09 | 2021-11-18 | 华为技术有限公司 | 通信方法及装置 |
WO2022213258A1 (en) * | 2021-04-06 | 2022-10-13 | Qualcomm Incorporated | Pws support for ue to network relay on cellular network system |
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US20150280845A1 (en) * | 2012-11-06 | 2015-10-01 | Telefonaktiebolaget L M Ericsson (Publ) | Public warning system indication to users in connected mode |
CN110612728A (zh) * | 2017-05-04 | 2019-12-24 | 黑莓有限公司 | 提供公共警告系统消息 |
WO2021227608A1 (zh) * | 2020-05-09 | 2021-11-18 | 华为技术有限公司 | 通信方法及装置 |
WO2022213258A1 (en) * | 2021-04-06 | 2022-10-13 | Qualcomm Incorporated | Pws support for ue to network relay on cellular network system |
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