WO2022032672A1 - 无线通信方法和终端 - Google Patents
无线通信方法和终端 Download PDFInfo
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- WO2022032672A1 WO2022032672A1 PCT/CN2020/109330 CN2020109330W WO2022032672A1 WO 2022032672 A1 WO2022032672 A1 WO 2022032672A1 CN 2020109330 W CN2020109330 W CN 2020109330W WO 2022032672 A1 WO2022032672 A1 WO 2022032672A1
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- message
- service mode
- relay
- terminal
- remote terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/14—Direct-mode setup
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/005—Transmission of information for alerting of incoming communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
Definitions
- the embodiments of the present application relate to the field of communication, and more particularly, to a wireless communication method and terminal.
- the 3rd Generation Partnership Project introduced a layer 3 relay-based terminal-to-network relay function , Specifically, the relay terminal with the layer 3 relay function transmits data between the remote terminal and the network, and the remote terminal and the relay terminal are connected through a side link.
- Rel-15 Wearable Device In Rel-15 Wearable Device (FeD2D), 3GPP has studied the relay function of terminal to network based on layer 2 relay. Similar to Rel-13ProSe, the relay terminal with layer 2 relay function is used in the remote terminal and the network. Data is transferred between networks, and the remote terminal and the relay terminal are connected by side links.
- the current design of the relay terminal only involves combining the relay protocol layer into layer 3 or layer 2, while the specific relay function or relay service of the relay protocol layer, that is, the specific working mode of the relay terminal, There is no relevant technical solution, and if the working mode of the relay terminal is not designed, the resources of the relay terminal cannot be reasonably utilized, and the work efficiency and processing capability of the relay terminal are reduced.
- a wireless communication method and terminal are provided, which can not only enable a remote terminal to access a network through a relay terminal, but also improve the work efficiency and processing capability of the relay terminal without wasting the resources of the relay terminal. .
- a wireless communication method including:
- the remote terminal sends a first message, where the first message is used to indicate that the relay service mode required by the remote terminal is the first service mode and/or the second service mode.
- a wireless communication method including:
- the relay terminal receives the first message, where the first message is used to indicate that the relay service mode required by the remote terminal is the first service mode and/or the second service mode.
- a remote terminal for executing the method in the above-mentioned first aspect or each of its implementations.
- the remote terminal includes a functional module for executing the method in the above-mentioned first aspect or each implementation manner thereof.
- a relay terminal for executing the method in the second aspect or each implementation manner thereof.
- the relay terminal includes a functional module for executing the method in the second aspect or each implementation manner thereof.
- a remote terminal including a processor and a memory.
- the memory is used for storing a computer program
- the processor is used for calling and running the computer program stored in the memory, so as to execute the method in the above-mentioned first aspect or each implementation manner thereof.
- a relay terminal including a processor and a memory.
- the memory is used for storing a computer program
- the processor is used for calling and running the computer program stored in the memory, so as to execute the method in the above-mentioned second aspect or each implementation manner thereof.
- a chip for implementing any one of the above-mentioned first aspect to the second aspect or the method in each implementation manner thereof.
- the chip includes: a processor for calling and running a computer program from a memory, so that a device installed with the chip executes any one of the above-mentioned first to second aspects or each of its implementations method in .
- a computer-readable storage medium for storing a computer program, and the computer program causes a computer to execute the method in any one of the above-mentioned first aspect to the second aspect or each implementation manner thereof.
- a computer program product comprising computer program instructions, the computer program instructions causing a computer to execute the method in any one of the above-mentioned first to second aspects or the implementations thereof.
- a computer program which, when run on a computer, causes the computer to perform the method in any one of the above-mentioned first to second aspects or the respective implementations thereof.
- the first message enables the relay terminal to determine the relay service mode required by the remote terminal, thereby facilitating the relay terminal based on the first service mode or the second service mode indicated by the first message
- the service mode provides relay services for the terminal equipment, so that the remote terminal can access the network through the relay terminal.
- the service mode of the relay terminal terminal can also be managed according to the service requirements of the remote terminal. On the premise of not wasting the resources of the relay terminal, the work efficiency and processing capability of the relay terminal are improved.
- FIG. 1 is an example of an application scenario provided by this application.
- FIG. 2 is a schematic flowchart of a wireless communication method provided by an embodiment of the present application.
- FIG. 3 is a schematic block diagram of a remote terminal provided by an embodiment of the present application.
- FIG. 4 is a schematic block diagram of a relay terminal provided by an embodiment of the present application.
- FIG. 5 is a schematic block diagram of a communication device provided by an embodiment of the present application.
- FIG. 6 is a schematic block diagram of a chip provided by an embodiment of the present application.
- GSM global system of mobile communication
- CDMA code division multiple access
- WCDMA wideband code division multiple access
- GPRS General Packet Radio Service
- LTE Long Term Evolution
- LTE-A Advanced Long Term Evolution
- NR New Radio
- UMTS Universal Mobile Telecommunication System
- WLAN Wireless Local Area Networks
- WiFi Wireless Fidelity
- next-generation communication systems or other communications system etc.
- this application can also be applied to Device to Device (D2D) communication, Machine to Machine (M2M) communication, Machine Type Communication (MTC), and Vehicle to Vehicle (Vehicle to Vehicle) , V2V) communication, etc.
- the communication system in this embodiment of the present application may be applied to a carrier aggregation (Carrier Aggregation, CA) scenario, a dual connectivity (Dual Connectivity, DC) scenario, or a standalone (Standalone, SA) distribution. web scene.
- Carrier Aggregation, CA Carrier Aggregation, CA
- DC Dual Connectivity
- SA standalone
- Figure 1 is an example of a system framework provided by this application.
- the system framework 100 may include a remote terminal 110 , a relay terminal 120 , an access network device 130 , a core network device 140 , and an application server (application server, AS) 150 .
- a remote terminal 110 may include a remote terminal 110 , a relay terminal 120 , an access network device 130 , a core network device 140 , and an application server (application server, AS) 150 .
- AS application server
- the remote terminal 110 and the relay terminal 120 may be terminal devices that have been authenticated through the network when covered by the network.
- the remote terminal 110 may be a terminal device that is authenticated as being able to access the wireless network through a relay terminal, in other words, the remote terminal 110 is authorized to act as a remote user equipment (Remote UE).
- the relay terminal 120 may be a terminal device authenticated as a relay node. Both the remote terminal 110 and the relay terminal 120 may be authorized to send and receive relay discovery-related messages, which may include discovery messages and discovery request messages.
- the remote terminal 110 and the relay terminal 120 may be any device or apparatus configured with a physical layer and a medium access control layer, and the terminal device may also be referred to as an access terminal.
- the terminal device may also be referred to as an access terminal.
- the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), a wireless Communication-enabled handheld devices, computing devices or other linear processing devices connected to wireless modems, in-vehicle devices, wearable devices, etc.
- SIP Session Initiation Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistant
- the embodiment of the present invention is described by taking a vehicle-mounted terminal as an example, but is not limited thereto.
- the remote terminal 110 may support an end-to-end protocol stack, and the end-to-end protocol stack may include a Packet Data Convergence Protocol (PDCP) layer of the 3GPP PC5 interface and An upper protocol layer above the PDCP layer, the upper protocol layer may include a user plane protocol layer and a control plane protocol layer.
- PDCP Packet Data Convergence Protocol
- the upper protocol layer may include a user plane protocol layer and a control plane protocol layer.
- Described user plane protocol layer includes but not limited to Service Data Adaptation Protocol (Service Data Adaptation Protocol, SDAP) layer and Internet Protocol (Internet Protocol, IP) layer
- described control plane protocol layer includes but not limited to Radio Resource Control (Radio Resource Control (Radio Resource Control) Resource Control, RRC) layer and Non-Access Stratum (NAS).
- NAS Non-Access Stratum
- the remote terminal 110 and the relay terminal 120 may support a point-to-point protocol stack, and the point-to-point protocol stack may include layer 2 (L2) and layer 1 (L1) of the 3GPP PC5 interface
- L2 and L2 protocol stacks include but are not limited to a radio link layer control (Radio Link Control, RLC) layer, a media access control (Media Access Control, MAC) layer and a physical (PHY) layer.
- RLC Radio Link Control
- MAC media access control
- PHY physical
- the relay terminal 120 may be provided with a relay protocol layer.
- the functions of the relay protocol layer can be used to transmit data packets and related control information between remote terminals through the relay terminal.
- the relay protocol layer may be a terminal-to-network relay function based on layer 3 relay, which is used to transfer control messages.
- layer 3 relay which is used to transfer control messages.
- the Internet Protocol Internet Protocol, IP
- RRC Radio Resource Control
- NAS non-access stratum
- the remote terminal accesses the network through a relay terminal with a layer 3 relay function, for example, the relay terminal undertakes the function of an IP layer relay.
- the relay terminal with the layer 3 relay function transmits data between the remote terminal and the network, and the remote terminal and the relay terminal are connected through a side link.
- the relay protocol layer may be a terminal-to-network relay function based on layer 3 relay, and layer 2 is used to provide correct transmission and reception of signaling messages, including partial duplication detection.
- Layer 2 may include Media Access Control (MAC), Radio Link Control (RLC) and Physical (PHY) layers. That is, the remote terminal accesses the network through a relay terminal with a layer 2 relay function, and the relay terminal carries the functions of the access stratum (Access Stratum, AS) and below the RLC layer. Similar to Rel-13ProSe, the relay terminal with layer 2 relay function transfers data between the remote terminal and the network, and the remote terminal and the relay terminal are connected by side links.
- MAC Media Access Control
- RLC Radio Link Control
- PHY Physical
- the remote terminal (Remote UE) 110 can access the network device 130 through the relay terminal 120.
- the remote terminal 110 and the relay terminal 120 may be connected or communicated through the PC5 interface of the 3GPP system.
- the end-to-end connection or communication between the relay terminal 120 and the network device 130 may also be performed through the Uu interface of the 3GPP system.
- the remote terminal 110 or the relay terminal 120 may also be referred to as user equipment, access terminal, subscriber unit, subscriber station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication device, user agent or user equipment, etc.
- the terminal device can be a station (STAION, ST) in the WLAN, can be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a personal digital processing (Personal Digital Assistant, PDA) devices, handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, and next-generation communication systems, such as terminal devices in NR networks or Terminal equipment in the future evolved Public Land Mobile Network (Public Land Mobile Network, PLMN) network, etc.
- STAION, ST in the WLAN
- SIP Session Initiation Protocol
- WLL Wireless Local Loop
- PDA Personal Digital Assistant
- the remote terminal 110 or the relay terminal 120 may also be a wearable device.
- Wearable devices can also be called wearable smart devices, which are the general term for the intelligent design of daily wear and the development of wearable devices using wearable technology, such as glasses, gloves, watches, clothing and shoes.
- a wearable device is a portable device that is worn directly on the body or integrated into the user's clothing or accessories. Wearable device is not only a hardware device, but also realizes powerful functions through software support, data interaction, and cloud interaction.
- wearable smart devices include full-featured, large-scale, complete or partial functions without relying on smart phones, such as smart watches or smart glasses, and only focus on a certain type of application function, which needs to cooperate with other devices such as smart phones.
- the access network device may be an evolved base station (Evolutional Node B, eNB or eNodeB) in a Long Term Evolution (Long Term Evolution, LTE) system, or a next-generation radio access network (Next Generation Radio Access Network, NG RAN) device, or a base station (gNB) in an NR system, or a wireless controller in a cloud radio access network (Cloud Radio Access Network, CRAN), or the network device 120 can It is a relay station, an access point, a vehicle-mounted device, a wearable device, a hub, a switch, a bridge, a router, or a network device in the future evolution of the Public Land Mobile Network (PLMN).
- PLMN Public Land Mobile Network
- the core network device 140 may be a 5G core network (5G Core, 5GC) device, for example, an Access and Mobility Management Function (AMF), and for example, an authentication server A function (Authentication Server Function, AUSF), another example, a user plane function (User Plane Function, UPF), another example, a session management function (Session Management Function, SMF).
- the core network device 130 may also be an evolved packet core (Evolved Packet Core, EPC) device of an LTE network, for example, a session management function+core network data gateway (Session Management Function+Core Packet Gateway, SMF+PGW- C) Equipment.
- EPC evolved packet core
- the SMF+PGW-C can simultaneously implement the functions that the SMF and the PGW-C can implement.
- the above-mentioned core network equipment may also be called by other names, or a new network entity may be formed by dividing the functions of the core network, which is not limited in this embodiment of the present application.
- the access network device 130 is an NG RAN device
- the core network device 140 is a 5GC device
- the remote terminal 110 can be connected to the relay terminal 120 through the PC5 interface
- the relay terminal 120 can be connected to the relay terminal 120 through the PC5 interface.
- the Uu interface is connected to the access network device 130, thereby connecting the core network device 140
- the core network device 140 is connected to the AS 150 through the N6 interface.
- the framework 100 may also be applicable to other 3GPP communication systems, such as a 4G communication system, or a future 3GPP communication system, which is not limited in this application.
- the application server (AS) in FIG. 1 may also be other terminal devices or an external public safety Internet.
- a device having a communication function in the network/system can be referred to as a communication device.
- the communication device may include a network device 120 and a terminal device 110 with a communication function, and the network device 120 and the terminal device 110 may be the devices described above, which will not be repeated here;
- the communication device may further include other devices in the communication system 100, for example, other network entities such as a network controller and a mobility management entity, which are not limited in this embodiment of the present application.
- the specific relay function or relay service of the relay protocol layer of the relay terminal 120 is designed, that is, the specific work of the relay terminal. Accordingly, the working efficiency and processing capability of the relay terminal can be improved without wasting the resources of the relay terminal.
- FIG. 2 shows a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application.
- the method 200 may be interactively executed by a remote terminal and a relay terminal.
- the remote terminal shown in FIG. 2 may be the remote terminal 110 shown in FIG. 1
- the relay terminal shown in FIG. 2 may be the relay terminal 120 shown in FIG. 1 .
- the method 200 may include:
- the remote terminal sends a first message to the relay terminal, where the first message is used to indicate that the relay service mode required by the remote terminal is the first service mode and/or the second service mode.
- the relay terminal is enabled to determine the relay service mode required by the remote terminal, thereby facilitating the relay terminal to provide the relay terminal based on the first service mode or the second service mode indicated by the first message.
- the terminal equipment provides relay services, so that the remote terminal can access the network through the relay terminal.
- it can also manage the service mode of the relay terminal terminal according to the service requirements of the remote terminal. On the premise of the resources of the terminal, the work efficiency and processing capability of the relay terminal are improved.
- the first service mode and the second service mode are described below.
- the first service mode includes a service mode for communication connection and/or a service mode for forwarding uplink data.
- the first service mode may include a service mode in which uplink data needs to be forwarded.
- the first service mode may include a service mode that needs to forward uplink data and downlink data.
- the first service mode may include a service mode in which uplink data needs to be forwarded and downlink data does not need to be forwarded.
- the first service mode is used to indicate that the remote terminal has been or will be in a connected state.
- the first service mode is used to indicate that the remote terminal needs to establish a communication connection.
- the second service mode includes a service mode not used for communication connection and/or a service mode only used for forwarding the first downlink message.
- the second service mode is used to indicate that the remote terminal has been or will be in an inactive state or an idle state.
- the first downlink message includes at least one of the following messages: a system message change message, an Earthquake and Tsunami Waming System (ETWS) message, and a commercial mobile warning service (Commercial Mobile Warning Service). Mobile Alert Service, CMAS) message or paging message.
- a system message change message an Earthquake and Tsunami Waming System (ETWS) message
- a commercial mobile warning service Communication Mobile Warning Service
- CMAS Mobile Alert Service
- the second transceiving mode includes at least one of the following information: information used to indicate a second downlink message that the remote terminal needs to receive, and identity information of the remote terminal or the paging cycle information of the remote terminal.
- the second downlink message includes at least one of the following messages: a system message change message, an ETWS message, a CMAS message or a paging message.
- the second service mode includes at least one item:
- the relay terminal does not need to provide the remote terminal with the service of sending and receiving uplink messages
- the relay terminal needs to provide the remote terminal with the service of sending and receiving downlink messages; for example, the system message change message, ETWS message, CMAS message or paging message, etc.;
- a system message change message for example, an ETWS message, a CMAS message, a paging message, the identity information of the remote terminal or the paging cycle information; Subscriber Identification Number, IMSI) related information; for example, the identity information of the remote terminal may be a value obtained by modulo IMSI.
- the method 200 may further include:
- the relay terminal determines whether the communication connection is successfully established or whether the downlink message can be successfully received.
- the relay terminal does not establish a communication connection with the network device, it is checked whether the attempt to establish the communication connection is successful.
- the communication connection includes but is not limited to a radio bearer core network bearer, and/or a PDU session/connection.
- the relay terminal checks whether the required downlink messages can be successfully received, for example, whether a common search space (common search space) is configured on the active BWP, or whether the relevant time resources are configured. Whether the above-mentioned relay terminal cannot normally receive downlink messages due to the limitation of sidelink/downlink interference.
- a common search space common search space
- the method 200 may further include:
- the remote terminal receives a second message sent by the relay terminal in response to the first message.
- the first message is used to indicate that the relay service mode required by the remote terminal is the first service mode
- the second message is used to instruct the relay terminal to communicate with Whether a communication connection is successfully established between network devices.
- the first message is used to indicate that the relay service mode required by the remote terminal is the first service mode
- the second message is used after a communication connection is successfully established between the relay terminal and the network device. send.
- the communication connection includes at least one of the following: a radio bearer connection, a core network bearer connection, or a protocol data unit (Protocol Data Unit, PDU) session connection.
- PDU Protocol Data Unit
- the first message is used to indicate that the relay service mode required by the remote terminal is the second service mode
- the second message is used to indicate whether the relay terminal is Downlink messages can be successfully received.
- the first message is used to indicate that the relay service mode required by the remote terminal is the second service mode
- the second message is sent when the relay terminal can successfully receive downlink messages.
- the relay terminal that can successfully receive the downlink message includes at least one of the following: the relay terminal is configured with a public search space on an activated bandwidth part (Bandwidth Part, BWP), or the relay terminal is configured with a common search space. The terminal cannot receive downlink messages due to sidelink and/or downlink interference limitations.
- the second message is used to indicate that the relay terminal cannot successfully receive the downlink message.
- the second message is further used to instruct the remote terminal to disconnect or update the connection.
- the second message is only used to indicate that the relay terminal cannot successfully receive the downlink message.
- the second message is used to indicate that the relay terminal cannot successfully receive the downlink message, and is used to instruct the remote terminal to disconnect or update the connection.
- the second message is a first PC5-S message.
- the first PC5-S message is a connection establishment/modification success message; or, the first PC5-S message is a connection establishment/modification rejection message.
- the second message is a first PC5-Radio Resource Control (Radio Resource Control, RRC) message.
- the first PC5-RRC message includes at least one of the following: a response message for a message requesting relay services, a response message for configuration signaling for sidelink bearer of Uu data, or Response message for signaling requesting downlink messages.
- the sidelink bearer for Uu data may be Uu SRB 0/1/2.
- the downlink message requested by the signaling for requesting downlink messages includes, but is not limited to, a system message change message, an ETWS message, a CMAS message or a paging message.
- the downlink message requested by the signaling for requesting downlink messages may be a paging control channel (Paging Control Channel, PCCH) or a broadcast control channel (Broadcast Control Channel, BCCH).
- PCCH paging Control Channel
- BCCH Broadcast Control Channel
- the method 200 may further include:
- the remote terminal receives an update message sent by the relay terminal, where the update message is used to indicate the updated state of the relay terminal.
- the update message includes the reason for the interruption of the communication connection between the relay terminal and the network device, or the related information of the cell for which the communication connection is restored.
- the cell related information may be cell identification related information.
- the reason for the communication connection to the terminal includes at least one of the following: a link failure occurs, the relay terminal does not configure a common search space on the activated bandwidth part BWP, or the The relay terminal cannot receive downlink messages due to sidelink and/or downlink interference limitations.
- the method 200 may further include:
- the relay terminal determines whether the communication connection is successfully established or whether the downlink message can be successfully received.
- a communication connection has been established between the relay terminal and the network device, but a link failure scenario may occur, such as T304, T312, T310, T307, multiple access failures or Radio link layer control (Radio Link Control, RLC) retransmits to the maximum number of times, etc.
- RLC Radio Link layer control
- the relay terminal sends the update message to the remote terminal.
- the communication connection includes but is not limited to a radio bearer core network bearer, and/or a PDU session/connection.
- the update message includes the reason for the interruption of the communication connection between the relay terminal and the network device, such as a scenario of link failure, such as T304, T312, T310, T307, multiple access failures or Radio link layer control (Radio Link Control, RLC) retransmits to the maximum number of times, etc.
- a scenario of link failure such as T304, T312, T310, T307
- multiple access failures or Radio link layer control (Radio Link Control, RLC) retransmits to the maximum number of times, etc.
- Radio Link layer control Radio Link Control
- the relay terminal checks whether the required downlink messages can be successfully received, for example, whether a common search space (common search space) is configured on the active BWP, or whether the relevant time resources are configured. Whether the above-mentioned relay terminal cannot normally receive downlink messages due to the limitation of sidelink/downlink interference.
- the relay terminal may also send the update message to the remote terminal to indicate the restoration of the communication connection and/or the information about the cell for which recovery of the communication connection occurs.
- the update message is a second PC5-S message.
- the second PC5-S message is a connection interruption/modification message.
- the update message is a second PC5-RRC message.
- the second PC5-RRC message includes at least one of the following: a response message for a message requesting relay services, a response message for configuration signaling for sidelink bearer of Uu data, or Response message for signaling requesting downlink messages.
- the sidelink bearer for Uu data may be Uu SRB0/1/2.
- the downlink message requested by the signaling for requesting downlink messages includes, but is not limited to, a system message change message, an ETWS message, a CMAS message or a paging message.
- the downlink message requested by the signaling for requesting downlink messages may be a paging control channel (Paging Control Channel, PCCH) or a broadcast control channel (Broadcast Control Channel, BCCH).
- PCCH paging Control Channel
- BCCH Broadcast Control Channel
- the first message is a third PC5-S message.
- the third PC5-S message is a connection establishment request/modification message.
- the remote terminal can indicate the relay service required by the relay terminal through the connection establishment request/modification information, for example, whether to provide a communication connection or to receive a paging message.
- the first message is a third PC5-RRC message or a Uu-RRC message.
- the third PC5-RRC message includes at least one of the following: a message for requesting a relay service, a configuration signaling for a sidelink bearer for Uu data, or a message for requesting a relay service. Signaling of downlink messages.
- the first message includes at least one of the following: an RRC connection establishment/restoration/reestablishment message, a protocol data unit PDU/service data unit SDU on a sidelink bearer for Uu data, or PDU/SDU on the sidelink bearer for downlink messages.
- the sidelink bearer for Uu data may be Uu SRB0/1/2.
- the downlink message requested by the signaling for requesting downlink messages includes, but is not limited to, a system message change message, an ETWS message, a CMAS message or a paging message.
- the downlink message requested by the signaling for requesting downlink messages may be a paging control channel (Paging Control Channel, PCCH) or a broadcast control channel (Broadcast Control Channel, BCCH).
- PCCH paging Control Channel
- BCCH Broadcast Control Channel
- the relay terminal can decide whether to establish a radio bearer with a network device based on the relay service required by the remote terminal. For example, in the case where a communication connection is required, if the relay terminal successfully establishes the connection with the network device, it will reply a connection establishment/modification success message, otherwise it will reply a connection establishment/modification rejection message. For another example, if the network connection of the relay terminal is interrupted during the communication process, the relay terminal may notify the remote terminal to disconnect or modify the connection.
- the relay terminal In the case of needing to receive the paging message, if the relay terminal can successfully receive the paging message, it will reply a connection establishment/modification success message, otherwise it will reply a connection establishment/modification rejection message; Problem If the paging message cannot be received successfully, the relay terminal can notify the remote terminal to disconnect or update the connection. In other words, the service mode of the relay terminal terminal can be managed according to the service requirements of the remote terminal, and accordingly, the work efficiency and processing capability of the relay terminal can be improved without wasting the resources of the relay terminal.
- the PC5-S message involved in this application may be a sidelink (sidelink) message sent through the PC5 interface
- the involved PC5-RRC message may be an RRC message sent through the PC5 interface
- the various types of interfaces involved in this application may be the interfaces specified in 3GPP.
- the PC5 interface can be used to transmit data between terminals
- the Uu interface can be used to transmit data between terminals and access network equipment. data.
- the size of the sequence numbers of the above-mentioned processes does not mean the sequence of execution, and the execution sequence of each process should be determined by its functions and internal logic, and should not be dealt with in the present application.
- the implementation of the embodiments constitutes no limitation.
- the terms “downlink” and “uplink” are used to indicate the transmission direction of signals or data, wherein “downlink” is used to indicate that the transmission direction of signals or data is from the site to the user equipment of the cell In the first direction, “uplink” is used to indicate that the transmission direction of the signal or data is the second direction sent from the user equipment of the cell to the site.
- downlink signal indicates that the transmission direction of the signal is the first direction.
- the term “and/or” is only an association relationship for describing associated objects, indicating that there may be three kinds of relationships. Specifically, A and/or B can represent three situations: A exists alone, A and B exist at the same time, and B exists alone.
- the character "/" in this document generally indicates that the related objects are an "or" relationship.
- FIG. 3 is a schematic block diagram of a remote terminal 300 according to an embodiment of the present application.
- the remote terminal 300 may include:
- the communication unit 310 is configured to send a first message, where the first message is used to indicate that the relay service mode required by the remote terminal is the first service mode and/or the second service mode.
- the first service mode includes a service mode for communication connection and/or a service mode that needs to forward uplink data.
- the first service mode is used to indicate that the remote terminal has been or will be in a connected state.
- the second service mode includes a service mode not used for communication connection and/or a service mode only used for forwarding the first downlink message.
- the second service mode is used to indicate that the remote terminal has been or will be in an inactive state or an idle state.
- the first downlink message includes at least one of the following messages: a system message change message, an earthquake and tsunami early warning system ETWS message, a commercial mobile alert service CMAS message, or a paging message.
- the second transceiving mode includes at least one of the following information: information used to indicate a second downlink message that the remote terminal needs to receive, and identity information of the remote terminal or the paging cycle information of the remote terminal.
- the second downlink message includes at least one of the following messages: a system message change message, an earthquake and tsunami early warning system ETWS message, a commercial mobile alert service CMAS message, or a paging message.
- the communication unit 310 is further configured to:
- a second message is received in response to the first message.
- the first message is used to indicate that the relay service mode required by the remote terminal is the first service mode
- the second message is used to instruct the relay terminal to communicate with Whether a communication connection is successfully established between network devices.
- the first message is used to indicate that the relay service mode required by the remote terminal is the first service mode
- the second message is used between the relay terminal and the network device. It is sent after the communication connection is successfully established between the two.
- the communication connection includes at least one of the following: a radio bearer connection, a core network bearer connection, or a protocol data unit (PDU) session connection.
- a radio bearer connection e.g., a radio bearer connection, a core network bearer connection, or a protocol data unit (PDU) session connection.
- PDU protocol data unit
- the first message is used to indicate that the relay service mode required by the remote terminal is the second service mode
- the second message is used to indicate whether the relay terminal is Downlink messages can be successfully received.
- the first message is used to indicate that the relay service mode required by the remote terminal is the second service mode, and the second message can be successfully received by the relay terminal Sent in the case of downlink messages.
- the relay terminal that can successfully receive the downlink message includes at least one of the following: the relay terminal is configured with a common search space on the activated bandwidth part BWP, or the relay terminal is configured with a common search space.
- the terminal cannot receive downlink messages due to sidelink and/or downlink interference limitations.
- the second message is used to indicate that the relay terminal cannot successfully receive the downlink message.
- the second message is further used to instruct the remote terminal to disconnect or update the connection.
- the second message is a first PC5-S message.
- the first PC5-S message is a connection establishment/modification success message; or, the first PC5-S message is a connection establishment/modification rejection message.
- the second message is a first PC5-Radio Resource Control RRC message.
- the first PC5-RRC message includes at least one of the following: a response message for a message requesting a relay service, a configuration for a sidelink bearer for Uu data A signaling response message, or a signaling response message for requesting downlink messages.
- the communication unit 310 is further configured to:
- An update message is received, where the update message is used to indicate the updated state of the relay terminal.
- the update message includes the reason for the interruption of the communication connection between the relay terminal and the network device, or the related information of the cell for which the communication connection is restored.
- the reason for the communication connection to the terminal includes at least one of the following: a link failure occurs, the relay terminal does not configure a common search space on the activated bandwidth part BWP, or the The relay terminal cannot receive downlink messages due to sidelink and/or downlink interference limitations.
- the update message is a second PC5-S message.
- the second PC5-S message is a connection interruption/modification message.
- the update message is a second PC5-Radio Resource Control RRC message.
- the second PC5-RRC message includes at least one of the following: a response message for a message requesting a relay service, a configuration for a sidelink bearer for Uu data A signaling response message, or a signaling response message for requesting downlink messages.
- the first message is a third PC5-S message.
- the third PC5-S message is a connection establishment request/modification message.
- the first message is a third PC5-RRC message or a Uu-RRC message.
- the third PC5-RRC message includes at least one of the following: a message for requesting a relay service, configuration signaling for a sidelink bearer for Uu data, Or for signaling for requesting downlink messages.
- the first message includes at least one of the following: an RRC connection setup/restoration/reestablishment message, a protocol data unit PDU/service on a sidelink bearer for Uu data Data unit SDU, or PDU/SDU on the sidelink bearer for downlink messages.
- the apparatus embodiments and the method embodiments may correspond to each other, and similar descriptions may refer to the method embodiments.
- the remote terminal 300 shown in FIG. 3 may correspond to the corresponding subject in executing the method 200 of the embodiment of the present application, and the foregoing and other operations and/or functions of the various units in the remote terminal 300 are for the purpose of realizing the For the sake of brevity, the corresponding processes in each method in 2 will not be repeated here.
- FIG. 4 is a schematic block diagram of a relay terminal 400 according to an embodiment of the present application.
- the relay terminal 400 may include:
- the communication unit 410 is configured to receive a first message, where the first message is used to indicate that the relay service mode required by the remote terminal is the first service mode and/or the second service mode.
- the first service mode includes a service mode for communication connection and/or a service mode for forwarding uplink data.
- the first service mode is used to indicate that the remote terminal has been or will be in a connected state.
- the second service mode includes a service mode not used for communication connection and/or a service mode only used for forwarding the first downlink message.
- the second service mode is used to indicate that the remote terminal has been or will be in an inactive state or an idle state.
- the first downlink message includes at least one of the following messages: a system message change message, an earthquake and tsunami early warning system ETWS message, a commercial mobile alert service CMAS message, or a paging message.
- the second transceiving mode includes at least one of the following information: information used to indicate a second downlink message that the remote terminal needs to receive, and identity information of the remote terminal or the paging cycle information of the remote terminal.
- the second downlink message includes at least one of the following messages: a system message change message, an earthquake and tsunami early warning system ETWS message, a commercial mobile alert service CMAS message, or a paging message.
- the communication unit 410 is further configured to:
- the relay terminal sends a second message in response to the first message.
- the first message is used to indicate that the relay service mode required by the remote terminal is the first service mode
- the second message is used to instruct the relay terminal to communicate with Whether a communication connection is successfully established between network devices.
- the first message is used to indicate that the relay service mode required by the remote terminal is the first service mode
- the second message is used between the relay terminal and the network device. It is sent after the communication connection is successfully established between the two.
- the communication connection includes at least one of the following: a radio bearer connection, a core network bearer connection, or a protocol data unit (PDU) session connection.
- a radio bearer connection e.g., a radio bearer connection, a core network bearer connection, or a protocol data unit (PDU) session connection.
- PDU protocol data unit
- the first message is used to indicate that the relay service mode required by the remote terminal is the second service mode
- the second message is used to indicate whether the relay terminal is Downlink messages can be successfully received.
- the first message is used to indicate that the relay service mode required by the remote terminal is the second service mode, and the second message can be successfully received by the relay terminal Sent in the case of downlink messages.
- the relay terminal that can successfully receive the downlink message includes at least one of the following: the relay terminal is configured with a common search space on the activated bandwidth part BWP, or the relay terminal is configured with a common search space.
- the terminal cannot receive downlink messages due to sidelink and/or downlink interference limitations.
- the second message is used to indicate that the relay terminal cannot successfully receive the downlink message.
- the second message is further used to instruct the remote terminal to disconnect or update the connection.
- the second message is a first PC5-S message.
- the first PC5-S message is a connection establishment/modification success message; or, the first PC5-S message is a connection establishment/modification rejection message.
- the second message is a first PC5-Radio Resource Control RRC message.
- the first PC5-RRC message includes at least one of the following: a response message for a message requesting a relay service, a configuration for a sidelink bearer for Uu data A signaling response message, or a signaling response message for requesting downlink messages.
- the communication unit 410 is further configured to:
- the relay terminal sends an update message, where the update message is used to indicate the updated state of the relay terminal.
- the update message includes the reason for the interruption of the communication connection between the relay terminal and the network device, or the related information of the cell for which the communication connection is restored.
- the reason for the communication connection to the terminal includes at least one of the following: a link failure occurs, the relay terminal does not configure a common search space on the activated bandwidth part BWP, or the The relay terminal cannot receive downlink messages due to sidelink and/or downlink interference limitations.
- the update message is a second PC5-S message.
- the second PC5-S message is a connection interruption/modification message.
- the update message is a second PC5-Radio Resource Control RRC message.
- the second PC5-RRC message includes at least one of the following: a response message for a message requesting a relay service, a configuration for a sidelink bearer for Uu data A signaling response message, or a signaling response message for requesting downlink messages.
- the first message is a third PC5-S message.
- the third PC5-S message is a connection establishment request/modification message.
- the first message is a third PC5-RRC message or a Uu-RRC message.
- the third PC5-RRC message includes at least one of the following: a message for requesting a relay service, configuration signaling for a sidelink bearer for Uu data, Or for signaling for requesting downlink messages.
- the first message includes at least one of the following: an RRC connection setup/restoration/reestablishment message, a protocol data unit PDU/service on a sidelink bearer for Uu data Data unit SDU, or PDU/SDU on the sidelink bearer for downlink messages.
- the apparatus embodiments and the method embodiments may correspond to each other, and similar descriptions may refer to the method embodiments.
- the relay terminal 400 shown in FIG. 4 may correspond to the corresponding subject in executing the method 200 of the embodiment of the present application, and the aforementioned and other operations and/or functions of the respective units in the relay terminal 400 are for the purpose of realizing the For the sake of brevity, the corresponding processes in each method in 2 will not be repeated here.
- the steps of the method embodiments in the embodiments of the present application may be completed by hardware integrated logic circuits in the processor and/or instructions in the form of software, and the steps of the methods disclosed in conjunction with the embodiments of the present application may be directly embodied as hardware
- the execution of the decoding processor is completed, or the execution is completed by a combination of hardware and software modules in the decoding processor.
- the software modules may be located in random access memory, flash memory, read-only memory, programmable read-only memory, electrically erasable programmable memory, registers, and other storage media mature in the art.
- the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps in the above method embodiments in combination with its hardware.
- processing unit and the communication unit referred to above may be implemented by a processor and a transceiver, respectively.
- FIG. 5 is a schematic structural diagram of a communication device 500 according to an embodiment of the present application.
- the communication device 500 may include a processor 510 .
- the processor 510 may call and run a computer program from the memory to implement the methods in the embodiments of the present application.
- the communication device 500 may further include a memory 520 .
- the memory 520 may be used to store instruction information, and may also be used to store codes, instructions, etc. executed by the processor 510 .
- the processor 510 may call and run a computer program from the memory 520 to implement the methods in the embodiments of the present application.
- the memory 520 may be a separate device independent of the processor 510 , or may be integrated in the processor 510 .
- the communication device 500 may further include a transceiver 530 .
- the processor 510 may control the transceiver 530 to communicate with other devices, specifically, may send information or data to other devices, or receive information or data sent by other devices.
- Transceiver 530 may include a transmitter and a receiver.
- the transceiver 530 may further include antennas, and the number of the antennas may be one or more.
- each component in the communication device 500 is connected through a bus system, wherein the bus system includes a power bus, a control bus and a status signal bus in addition to a data bus.
- the communication device 500 may be a terminal device of an embodiment of the present application, and the communication device 500 may implement the corresponding processes implemented by the remote terminal in each method of the embodiment of the present application, that is, the embodiment of the present application
- the communication device 500 may correspond to the remote terminal in the embodiment of the present application, and may correspond to the corresponding subject in executing the method 200 according to the embodiment of the present application, which is not repeated here for brevity.
- the communication device 500 may be the network device of the embodiment of the present application, and the communication device 500 may implement the corresponding processes implemented by the relay terminal in each method of the embodiment of the present application. That is to say, the communication device 500 in the embodiment of the present application may correspond to the relay terminal in the embodiment of the present application, and may correspond to the corresponding subject in executing the method 200 according to the embodiment of the present application. Repeat.
- the embodiment of the present application also provides a chip.
- the chip may be an integrated circuit chip, which has a signal processing capability, and can implement or execute the methods, steps, and logic block diagrams disclosed in the embodiments of the present application.
- the chip may also be referred to as a system-on-chip, a system-on-chip, a system-on-a-chip, or a system-on-a-chip, or the like.
- the chip can be applied to various communication devices, so that the communication device installed with the chip can execute the methods, steps and logic block diagrams disclosed in the embodiments of the present application.
- FIG. 6 is a schematic structural diagram of a chip 600 according to an embodiment of the present application.
- the chip 600 includes a processor 610 .
- the processor 610 may call and run a computer program from the memory to implement the methods in the embodiments of the present application.
- the chip 600 may further include a memory 620 .
- the processor 610 may call and run a computer program from the memory 620 to implement the methods in the embodiments of the present application.
- the memory 620 may be used to store instruction information, and may also be used to store codes, instructions and the like executed by the processor 610 .
- the memory 620 may be a separate device independent of the processor 610 , or may be integrated in the processor 610 .
- the chip 600 may further include an input interface 630 .
- the processor 610 may control the input interface 630 to communicate with other devices or chips, and specifically, may acquire information or data sent by other devices or chips.
- the chip 600 may further include an output interface 640 .
- the processor 610 can control the output interface 640 to communicate with other devices or chips, and specifically, can output information or data to other devices or chips.
- the chip 600 can be applied to the remote terminal in the embodiments of the present application, and the chip can implement the corresponding processes implemented by the relay terminal in each method of the embodiments of the present application, and can also implement the embodiments of the present application. For the sake of brevity, the corresponding processes implemented by the relay terminal in each method will not be repeated here. It should also be understood that various components in the chip 600 are connected through a bus system, wherein the bus system includes a power bus, a control bus and a status signal bus in addition to a data bus.
- the processors referred to above may include, but are not limited to:
- DSP Digital Signal Processor
- ASIC Application Specific Integrated Circuit
- FPGA Field Programmable Gate Array
- the processor may be used to implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of this application.
- the steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied as executed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
- the software module may be located in random access memory, flash memory, read-only memory, programmable read-only memory or erasable programmable memory, registers and other storage media mature in the art.
- the storage medium is located in the memory, and the processor reads the information in the memory, and completes the steps of the above method in combination with its hardware.
- the memory mentioned above includes but is not limited to:
- Non-volatile memory may be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically programmable read-only memory (Erasable PROM, EPROM). Erase programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. Volatile memory may be Random Access Memory (RAM), which acts as an external cache.
- RAM Random Access Memory
- RAM Static RAM
- DRAM Dynamic RAM
- SDRAM Synchronous DRAM
- SDRAM double data rate synchronous dynamic random access memory
- Double Data Rate SDRAM DDR SDRAM
- enhanced SDRAM ESDRAM
- synchronous link dynamic random access memory SLDRAM
- Direct Rambus RAM Direct Rambus RAM
- Embodiments of the present application also provide a computer-readable storage medium for storing a computer program.
- the computer-readable storage medium stores one or more programs, the one or more programs including instructions that, when executed by a portable electronic device including a plurality of application programs, enable the portable electronic device to perform the implementation shown in method 200 example method.
- the computer-readable storage medium can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
- the computer program enables the computer to execute the corresponding processes implemented by the network device in the various methods of the embodiments of the present application.
- the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. , and are not repeated here for brevity.
- the embodiments of the present application also provide a computer program product, including a computer program.
- the computer program product can be applied to the network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the network device in each method of the embodiments of the present application. Repeat.
- the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the mobile terminal/terminal device in each method of the embodiments of the present application, in order to It is concise and will not be repeated here.
- a computer program is also provided in the embodiments of the present application.
- the computer program When the computer program is executed by a computer, the computer can execute the method of the embodiment shown in method 200 .
- the computer program can be applied to the network device in the embodiments of the present application.
- the computer program runs on the computer, the computer executes the corresponding processes implemented by the network device in each method of the embodiments of the present application. For the sake of brevity. , and will not be repeated here.
- an embodiment of the present application further provides a communication system, which may include the above-mentioned terminal equipment and network equipment to form a communication system 100 as shown in FIG. 1 , which is not repeated here for brevity.
- a communication system which may include the above-mentioned terminal equipment and network equipment to form a communication system 100 as shown in FIG. 1 , which is not repeated here for brevity.
- system and the like in this document may also be referred to as “network management architecture” or “network system” and the like.
- a software functional unit If implemented in the form of a software functional unit and sold or used as a stand-alone product, it may be stored in a computer-readable storage medium.
- the technical solutions of the embodiments of the present application can be embodied in the form of software products in essence, or the parts that make contributions to the prior art or the parts of the technical solutions, and the computer software products are stored in a storage medium , including several instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in the embodiments of the present application.
- the aforementioned storage medium includes: a U disk, a removable hard disk, a read-only memory, a random access memory, a magnetic disk or an optical disk and other media that can store program codes.
- division of units, modules or components in the apparatus embodiments described above is only a logical function division, and other division methods may be used in actual implementation.
- multiple units, modules or components may be combined or integrated.
- To another system, or some units or modules or components can be ignored, or not implemented.
- the above-mentioned units/modules/components described as separate/display components may or may not be physically separated, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units/modules/components may be selected according to actual needs to achieve the purpose of the embodiments of the present application.
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Abstract
一种无线通信方法和终端,该方法包括:远端终端发送第一消息,第一消息用于指示远端终端需要的中继服务模式为第一服务模式和/或第二服务模式。通过第一消息,使得中继终端能够确定远端终端需要的中继服务模式,继而便于中继终端基于第一消息指示的第一服务模式或第二服务模式为远端终端提供中继服务,使得远端终端能够通过中继终端接入网络,此外,还可以针对远端终端的服务需求管理中继终端的服务模式,能够在不浪费中继终端的资源的前提下,提升中继终端的工作效率和处理能力。
Description
本申请实施例涉及通信领域,并且更具体地,涉及无线通信方法和终端。
在第13版本(Rel-13)邻近服务(Proximity based Service,ProSe)中,第三代合作伙伴计划(The 3rd Generation Partnership Project,3GPP)引入了基于层3中继的终端到网络的中继功能,具体的,具有层3中继功能的中继终端在远端终端和网络间传递数据,而远端终端和中继终端通过侧行链路相连。
在Rel-15可穿戴设备(FeD2D)中,3GPP研究了基于层2中继的终端到网络的中继功能,与Rel-13ProSe类似,具有层2中继功能的中继终端在远端终端和网络间传递数据,而远端终端和中继终端通过侧行链路相连。
但是,目前针对中继终端的设计,仅涉及将中继协议层结合到层3或层2,而针对中继协议层的具体中继功能或中继服务,即中继终端的具体工作方式,并没有相关的技术方案,不对中继终端的工作方式进行设计,会导致中继终端的资源不能得到合理的利用,并降低了中继终端的工作效率和处理能力。
发明内容
提供了一种无线通信方法和终端,不仅能够使得远端终端通过中继终端接入网络,还能够在不浪费所述中继终端的资源的前提下,提升中继终端的工作效率和处理能力。
第一方面,提供了一种无线通信方法,包括:
远端终端发送第一消息,所述第一消息用于指示所述远端终端需要的中继服务模式为第一服务模式和/或第二服务模式。
第二方面,提供了一种无线通信方法,包括:
中继终端接收第一消息,所述第一消息用于指示远端终端需要的中继服务模式为第一服务模式和/或第二服务模式。
第三方面,提供了一种远端终端,用于执行上述第一方面或其各实现方式中的方法。具体地,所述远端终端包括用于执行上述第一方面或其各实现方式中的方法的功能模块。
第四方面,提供了一种中继终端,用于执行上述第二方面或其各实现方式中的方法。具体地,所述中继终端包括用于执行上述第二方面或其各实现方式中的方法的功能模块。
第五方面,提供了一种远端终端,包括处理器和存储器。所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,以执行上述第一方面或其各实现方式中的方法。
第六方面,提供了一种中继终端,包括处理器和存储器。所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,以执行上述第二方面或其各实现方式中的方法。
第七方面,提供了一种芯片,用于实现上述第一方面至第二方面中的任一方面或其各实现方式中的方法。具体地,所述芯片包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第八方面,提供了一种计算机可读存储介质,用于存储计算机程序,所述计算机程序使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第九方面,提供了一种计算机程序产品,包括计算机程序指令,所述计算机程序指令使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
第十方面,提供了一种计算机程序,当其在计算机上运行时,使得计算机执行上述第一方面至第二方面中的任一方面或其各实现方式中的方法。
基于以上技术方案,通过所述第一消息,使得中继终端能够确定远端终端需要的中继服务模式,继而便于所述中继终端基于所述第一消息指示的第一服务模式或第二服务模式为所述终端设备提供中继服务,使得远端终端能够通过中继终端接入网络,此外,还可以针对远端终端的服务需求管理中继终端终端的服务模式,相应的,能够在不浪费所述中继终端的资源的前提下,提升中继终端的工作效率和处理能力。
图1是本申请提供的应用场景的示例。
图2是本申请实施例提供的无线通信方法的示意性流程图。
图3是本申请实施例提供的远端终端的示意性框图。
图4是本申请实施例提供的中继终端的示意性框图。
图5是本申请实施例提供的通信设备的示意性框图。
图6是本申请实施例提供的芯片的示意性框图。
下面将结合本申请实施例中的附图,对本申请实施例中的技术方案进行描述,显然,所描述的实施例是本申请一部分实施例,而不是全部的实施例。针对本申请中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本申请保护的范围。
应理解,本申请实施例可以应用于各种通信系统,例如:全球移动通讯(Global System of Mobile communication,GSM)系统、码分多址(Code Division Multiple Access,CDMA)系统、宽带码分多址(Wideband Code Division Multiple Access,WCDMA)系统、通用分组无线业务(General Packet Radio Service,GPRS)、长期演进(Long Term Evolution,LTE)系统、先进的长期演进(Advanced long term evolution,LTE-A)系统、新空口(New Radio,NR)系统、NR系统的演进系统、免授权频谱上的LTE(LTE-based access to unlicensed spectrum,LTE-U)系统、免授权频谱上的NR(NR-based access to unlicensed spectrum,NR-U)系统、通用移动通信系统(Universal Mobile Telecommunication System,UMTS)、无线局域网(Wireless Local Area Networks,WLAN)、无线保真(Wireless Fidelity,WiFi)、下一代通信系统或其他通信系统等。此外,本申请还可以应用于设备到设备(Device to Device,D2D)通信,机器到机器(Machine to Machine,M2M)通信,机器类型通信(Machine Type Communication,MTC),以及车辆间(Vehicle to Vehicle,V2V)通信等。可选地,本申请实施例中的通信系统可以应用于载波聚合(Carrier Aggregation,CA)场景,也可以应用于双连接(Dual Connectivity,DC)场景,还可以应用于独立(Standalone,SA)布网场景。
图1是本申请提供的系统框架的示例。
如图1所示,所述系统框架100可包括远端终端110、中继终端120、接入网设备130、核心网设备140以及应用服务器(application server,AS)150。
作为示例,所述远端终端110和所述中继终端120可以是在有网络覆盖的时候已经通过网络进行了认证的终端设备。所述远端终端110可以是被认证为可以通过中继终端接入到无线网络的终端设备,换言之,所述远端终端110被授权可以作为远端用户设备(Remote UE)。所述中继终端120可以是被认证为可以作为中继节点工作的终端设备。所述远端终端110和所述中继终端120都可被授权为可以发送和接收与中继发现相关的消息,所述与中继发现相关的消息可包括发现消息和发现请求消息。
其中,所述远端终端110和所述中继终端120可以是任何配置有物理层和媒体接入控制层的设备或装置,终端设备也可称为接入终端。例如,用户设备(User Equipment,UE)、用户单元、用户站、移动站、移动台、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。接入终端可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字线性处理(Personal Digital Assistant,PDA)、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它线性处理设备、车载设备、可穿戴设备等等。本发明实施例以车载终端为例进行说明,但并不限于此。
在本申请的一些实施例中,所述远端终端110可以支持端到端的协议栈,所述端到端协议栈可以包括3GPP PC5接口的分组数据汇聚协议(Packet Data Convergence Protocol,PDCP)层以及PDCP层之上的上层协议层,所述上层协议层可包括用户面协议层以及控制面协议层。所述用户面协议层包括但不限于服务数据适应协议(Service Data Adaptation Protocol,SDAP)层和互连网的协议(Internet Protocol,IP)层,所述控制面协议层包括但不限于无线资源控制(Radio Resource Control,RRC)层和非接入层(NAS)。
在本申请的一些实施例中,所述远端终端110和中继终端120可以可支持点对点协议栈,所述点对点的协议栈可包括3GPP PC5接口的层2(L2)和层1(L1)的协议栈,所述L1和L2协议栈包括但不限于无线链路层控制(Radio Link Control,RLC)层、媒体接入控制(Media Access Control,MAC)层和物理(PHY)层。
此外,所述中继终端120可以设置有中继协议层。所述中继协议层的功能可以用于在远端终端之间通过中继终端传送数据包和相关的控制信息。
例如,所述中继协议层可以是基于层3中继的终端到网络的中继功能,层3用于传递控制消息。例如,互连网的协议(Internet Protocol,IP)层和无线资源控制(Radio Resource Control,RRC)层,以及非接入层(NAS)。即远端终端通过具有层3中继功能的中继终端接入网络,例如中继终端承担有IP层中继的功能。具体的,具有层3中继功能的中继终端在远端终端和网络间传递数据,而远端终端和中继终端通过侧行链路相连。
再如,所述中继协议层可以是基于层3中继的终端到网络的中继功能,层2用于提供信令消息的正确传输和接收,包括部分重复检测。例如,层2可包括媒体接入控制(Media Access Control,MAC),无线链路层控制(Radio Link Control,RLC)和物理(PHY)层。即远端终端通过具有层2中继功能的中继终端接入网络,中继终端承载有接入层(Access Stratum,AS)和RLC层以下的功能。与Rel-13ProSe类似,具有层2中继功能的中继终端在远端终端和网络间传递数据,而远端终端和中继终端通过侧行链路相连。
在所述框架100中,所述远端终端(Remote UE)110可通过所述中继终端120接入网网络设备130。具体的,所述远端终端110和所述中继终端120之间可以通过3GPP系统的PC5接口进行连接或通信。所述中继终端120和所述网络设备130之间端到端也可以通过3GPP系统的Uu接口进行连接或通信。
在本申请的一些实施例中,所述远端终端110或中继终端120也可以称为用户设备、接入终端、用户单元、用户站、移动站、移动台、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等。终端设备可以是WLAN中的站点(STAION,ST),可以是蜂窝电话、无绳电话、会话启动协议(Session Initiation Protocol,SIP)电话、无线本地环路(Wireless Local Loop,WLL)站、个人数字处理(Personal Digital Assistant,PDA)设备、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备以及下一代通信系统,例如,NR网络中的终端设备或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)网络中的终端设备等。
在本申请的一些实施例中,所述远端终端110或中继终端120也还可以是可穿戴设备。可穿戴设备也可以称为穿戴式智能设备,是应用穿戴式技术对日常穿戴进行智能化设计、开发出可以穿戴的设备的总称,如眼镜、手套、手表、服饰及鞋等。可穿戴设备即直接穿在身上,或是整合到用户的衣服或配件的一种便携式设备。可穿戴设备不仅仅是一种硬件设备,更是通过软件支持以及数据交互、云端交互来实现强大的功能。广义穿戴式智能设备包括功能全、尺寸大、可不依赖智能手机实现完整或者部分的功能,例如:智能手表或智能眼镜等,以及只专注于某一类应用功能,需要和其它设备如智能手机配合使用,如各类进行体征监测的智能手环、智能首饰等。
在本申请的一些实施例中,所述接入网设备可以是长期演进(Long Term Evolution,LTE)系统中的演进型基站(Evolutional Node B,eNB或eNodeB),或者是下一代无线接入网(Next Generation Radio Access Network,NG RAN)设备,或者是NR系统中的基站(gNB),或者是云无线接入网络(Cloud Radio Access Network,CRAN)中的无线控制器,或者该网络设备120可以为中继站、接入点、车载设备、可穿戴设备、集线器、交换机、网桥、路由器,或者未来演进的公共陆地移动网络(Public Land Mobile Network,PLMN)中的网络设备等。
在本申请的一些实施例中,核心网设备140可以是5G核心网(5G Core,5GC)设备,例如,接入与移动性管理功能(Access and Mobility Management Function,AMF),又例如,认证服务器功能(Authentication Server Function,AUSF),又例如,用户面功能(User Plane Function,UPF),又例如,会话管理功能(Session Management Function,SMF)。可选地,核心网络设备130也可以是LTE网络的分组核心演进(Evolved Packet Core,EPC)设备,例如,会话管理功能+核心网络的数据网关(Session Management Function+Core Packet Gateway,SMF+PGW-C)设备。应理解,SMF+PGW-C可以同时实现SMF和PGW-C所能实现的功能。在网络演进过程中,上述核心网设备也有可能叫其它名字,或者通过对核心网的功能进行划分形成新的网络实体,对此本申请实施例不做限制。
作为示例,假设所述接入网设备130为NG RAN设备,所述核心网设备140为5GC设备,所述远端终端110可通过PC5接口连接到中继终端120,以及中继终端120可通过Uu接口连接接入网设备130,从而连接核心网设备140,核心网设备140通过N6接口连接到AS 150。
当然,所述框架100也可以适用于其他3GPP通信系统,例如4G通信系统,或者未来的3GPP通信系统,本申请对此并不限定。另外,在本申请实施例中,图1中的应用服务器(AS)也可以是其他的终端设备或者外部公共安全互联网。
应理解,本申请实施例中网络/系统中具有通信功能的设备均可称为通信设备。以图1示出的通信系统100为例,通信设备可包括具有通信功能的网络设备120和终端设备110,网络设备120和终端设备110可以为上文所述的设备,此处不再赘述;通信设备还可包括通信系统100中的其他设备, 例如网络控制器、移动管理实体等其他网络实体,本申请实施例中对此不做限定。
应理解,本文中术语“系统”和“网络”在本文中常被可互换使用。本文中术语“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。
本申请实施例中,基于上述远端终端110所需的中继服务模式,设计了所述中继终端120的中继协议层的具体中继功能或中继服务,即中继终端的具体工作方式,相应的,能够在不浪费所述中继终端的资源的前提下,提升中继终端的工作效率和处理能力。
图2示出了根据本申请实施例的无线通信方法200的示意性流程图,所述方法200可以由远端终端和中继终端交互执行。图2中所示的远端终端可以是如图1所示的远端终端110,图2中所示的中继终端可以是图1所示的中继终端120。
如图2所示,所述方法200可包括:
S210,远端终端向中继终端发送第一消息,所述第一消息用于指示所述远端终端需要的中继服务模式为第一服务模式和/或第二服务模式。
通过所述第一消息,使得中继终端能够确定远端终端需要的中继服务模式,继而便于所述中继终端基于所述第一消息指示的第一服务模式或第二服务模式为所述终端设备提供中继服务,使得远端终端能够通过中继终端接入网络,此外,还可以针对远端终端的服务需求管理中继终端终端的服务模式,相应的,能够在不浪费所述中继终端的资源的前提下,提升中继终端的工作效率和处理能力。
下面对所述第一服务模式和所述第二服务模式进行说明。
在本申请的一些实施例中,所述第一服务模式包括用于通信连接的服务模式和/或需要转发上行数据的服务模式。例如,所述第一服务模式可以包括需要转发上行数据的服务模式。例如,所述第一服务模式可以包括需要转发上行数据和下行数据的服务模式。再如,所述第一服务模式可以包括需要转发上行数据且不需要转发下行数据的服务模式。
在本申请的一些实施例中,所述第一服务模式用于指示所述远端终端已经或将要处于连接态。
换言之,所述第一服务模式用于指示所述远端终端需要建立通信连接。
在本申请的一些实施例中,所述第二服务模式包括不用于通信连接的服务模式和/或仅用于转发第一下行消息的服务模式。
在本申请的一些实施例中,所述第二服务模式用于指示所述远端终端已经或将要处于非激活态或空闲态。
在本申请的一些实施例中,所述第一下行消息包括以下消息中的至少一项:系统消息变更消息、地震和海啸预警系统(Earthquake andTsunami WamingSystem,ETWS)消息、商业移动告警服务(Commercial Mobile Alert Service,CMAS)消息或寻呼消息。
在本申请的一些实施例中,所述第二收发模式包括以下信息中的至少一项:用于指示所述远端终端需要接收的第二下行消息的信息、所述远端终端的身份信息或所述远端终端的寻呼周期信息。例如,所述第二下行消息包括以下消息中的至少一项:系统消息变更消息、ETWS消息、CMAS消息或寻呼消息。
例如,所述第二服务模式包括至少一项:
中继终端不需要为远端终端提供数据收发上行消息的服务;
中继终端需要为远端终端提供数据收发下行消息的服务;例如系统消息变更消息、ETWS消息、CMAS消息或寻呼消息等;
指示远端终端需要进入/处于非激活/空闲态;
其他参数;例如用于指示所述远端终端需要接收的下行消息的类型的信息。例如系统消息变更消息、ETWS消息、CMAS消息、寻呼消息、远端终端的身份信息或寻呼周期信息;可选的,所述远端终端的身份信息可以是国际移动用户识别码(International Mobile Subscriber Identification Number,IMSI)相关信息;例如,所述远端终端的身份信息可以是IMSI取模后的数值。
如图2所示,所述方法200还可包括:
S220,中继终端确定是否成功建立通信连接或是否可成功接收下行消息。
例如,针对第一服务模式,如果中继终端没有建立与网络设备之间的通信连接,则检查尝试建立通信连接是否成功。可选的,所述通信连接包括但不限于无线承载核心网承载,和/或PDU会话/连接等。
再如,针对第二服务模式,所述中继终端则检查是否可以成功接收所需的下行消息,例如是否在活动的BWP上配置了公共搜索空间(common search space),或在相关的时间资源上所述中继终端 是否由于侧行链路/下行链路干扰的限制,无法正常接收下行消息等。
如图2所示,所述方法200还可包括:
S230,所述远端终端接收所述中继终端发送的响应于所述第一消息的第二消息。
在本申请的一些实施例中,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第一服务模式,所述第二消息用于指示所述中继终端与网络设备之间是否成功建立通信连接。例如,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第一服务模式,所述第二消息在所述中继终端与网络设备之间成功建立通信连接后发送。可选的,所述通信连接包括以下中的至少一项:无线承载连接、核心网承载连接或协议数据单元(Protocol Data Unit,PDU)会话连接。
在本申请的一些实施例中,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第二服务模式,所述第二消息用于指示所述中继终端是否可成功接收下行消息。例如,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第二服务模式,所述第二消息在所述中继终端可成功接收下行消息的情况下发送。可选的,所述中继终端可成功接收下行消息包括以下中的至少一项:所述中继终端在激活的带宽部分(Bandwidth Part,BWP)上配置有公共搜索空间,或所述中继终端不由于侧行链路和/或下行链路的干扰限制无法接收下行消息。
在本申请的一些实施例中,所述第二消息用于指示所述中继终端不能成功接收下行消息。
在本申请的一些实施例中,所述第二消息还用于指示所述远端终端断开连接或者更新连接。
例如,所述第二消息仅用于指示所述中继终端不能成功接收下行消息。再如,所述第二消息用于指示所述中继终端不能成功接收下行消息,且用于指示所述远端终端断开连接或更新连接。
在本申请的一些实施例中,所述第二消息为第一PC5-S消息。例如,所述第一PC5-S消息为连接建立/修改成功消息;或者,所述第一PC5-S消息为连接建立/修改拒绝消息。
在本申请的一些实施例中,所述第二消息为第一PC5-无线资源控制(Radio Resource Control,RRC)消息。例如,所述第一PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息的响应消息、针对用于Uu数据的侧行链路承载的配置信令的响应消息、或针对用于请求下行消息的信令的响应消息。例如,所述用于Uu数据的侧行链路承载可以是Uu SRB 0/1/2。例如,所述用于请求下行消息的信令所请求的下行消息包括但不限于:系统消息变更消息、ETWS消息、CMAS消息或寻呼消息。例如,所述用于请求下行消息的信令所请求的下行消息可以是寻呼控制信道(Paging Control Channel,PCCH)或广播控制信道(Broadcast Control Channel,BCCH)。
如图2所示,所述方法200还可包括:
S250,所述远端终端接收中继终端发送的更新消息,所述更新消息用于指示所述中继终端更新后的状态。
在本申请的一些实施例中,所述更新消息包括所述中继终端和网络设备之间的通信连接发生中断的原因,或所述通信连接发生恢复所针对的小区相关信息。例如,所述小区相关信息可以是小区标识相关信息。
在本申请的一些实施例中,所述通信连接终端的原因包括以下中的至少一项:发生链路失败、所述中继终端在激活的带宽部分BWP上未配置公共搜索空间,或所述中继终端由于侧行链路和/或下行链路的干扰限制无法接收下行消息。
如图2所示,所述方法200还可包括:
S240,中继终端确定是否成功建立通信连接或是否可成功接收下行消息。
例如,针对第一服务模式,所述中继终端和所述网络设备之间已建立了通信连接,但是可能发生链路失败的场景,例如T304,T312,T310,T307,多次接入失败或无线链路层控制(Radio Link Control,RLC)重传达到最大次数等。可选的,如果中继终端与网络设备之间的通信连接发生终端,则所述中继终端向所述远端终端发送所述更新消息。可选的,所述通信连接包括但不限于无线承载核心网承载,和/或PDU会话/连接等。可选的,所述更新消息包括所述中继终端和网络设备之间的通信连接发生中断的原因,例如发生链路失败的场景,例如T304,T312,T310,T307,多次接入失败或无线链路层控制(Radio Link Control,RLC)重传达到最大次数等。
再如,针对第二服务模式,所述中继终端则检查是否可以成功接收所需的下行消息,例如是否在活动的BWP上配置了公共搜索空间(common search space),或在相关的时间资源上所述中继终端是否由于侧行链路/下行链路干扰的限制,无法正常接收下行消息等。当然,若所述中继终端和所述网络设备之间已中断的通信连接恢复,所述中继终端也可以向所述远端终端发送所述更新消息,以指示通信连接恢复和/或所述通信连接发生恢复所针对的小区相关信息。
在本申请的一些实施例中,所述更新消息为第二PC5-S消息。例如,所述第二PC5-S消息为连接中断/修改消息。
在本申请的一些实施例中,所述更新消息为第二PC5-RRC消息。例如,所述第二PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息的响应消息、针对用于Uu数据的侧行链路承载的配置信令的响应消息、或针对用于请求下行消息的信令的响应消息。例如,所述用于Uu数据的侧行链路承载可以是Uu SRB0/1/2。例如,所述用于请求下行消息的信令所请求的下行消息包括但不限于:系统消息变更消息、ETWS消息、CMAS消息或寻呼消息。例如,所述用于请求下行消息的信令所请求的下行消息可以是寻呼控制信道(Paging Control Channel,PCCH)或广播控制信道(Broadcast Control Channel,BCCH)。
在本申请的一些实施例中,所述第一消息为第三PC5-S消息。例如,所述第三PC5-S消息为连接建立请求/修改消息。
换言之,所述远端终端可通过连接建立请求/修改信息指示中继终端所需的中继服务,例如是需要提供通信连接,还是需要接收寻呼消息。
在本申请的一些实施例中,所述第一消息为第三PC5-RRC消息或Uu-RRC消息。可选的,所述第三PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息、针对用于Uu数据的侧行链路承载的配置信令、或针对用于请求下行消息的信令。可选的,所述第一消息包括以下中的至少一项:RRC连接建立/恢复/重建消息、针对用于Uu数据的侧行链路承载上的协议数据单元PDU/服务数据单元SDU、或针对下行消息的侧行链路承载上的PDU/SDU。例如,所述用于Uu数据的侧行链路承载可以是Uu SRB0/1/2。例如,所述用于请求下行消息的信令所请求的下行消息包括但不限于:系统消息变更消息、ETWS消息、CMAS消息或寻呼消息。例如,所述用于请求下行消息的信令所请求的下行消息可以是寻呼控制信道(Paging Control Channel,PCCH)或广播控制信道(Broadcast Control Channel,BCCH)。
综上所述,所述中继终端可基于所述远端终端所需的中继服务,决定是否需要建立和网络设备之间的无线承载。例如,对于需要进行通信连接的情况,若中继终端成功建立与网络设备的连接,则回复连接建立/修改成功消息,否则回复连接建立/修改拒绝消息。再如,若在通信过程中继终端发生网络连接的中断,中继终端可以通知远端终端断开连接或修改连接。对于需要接收寻呼消息的情况,若中继终端可以成功接收寻呼消息,则回复连接建立/修改成功消息,否则回复连接建立/修改拒绝消息;可选的,若在通信过程中继终端发生问题无法成功接收寻呼消息,中继终端可以通知远端终端断开连接或更新连接。换言之,可以针对远端终端的服务需求管理中继终端终端的服务模式,相应的,能够在不浪费所述中继终端的资源的前提下,提升中继终端的工作效率和处理能力。
需要说明的是,本申请涉及的PC5-S消息可以是通过PC5接口发送的侧行链路(sidelink)的消息,涉及的PC5-RRC消息可以是通过PC5接口发送的RRC消息。此外,本申请涉及的各种类型的接口可以是3GPP中规定的接口,例如,PC5接口可用于在终端和终端之间传输数据,再如Uu接口可用于在终端和接入网设备之间传输数据。
以上结合附图详细描述了本申请的优选实施方式,但是,本申请并不限于上述实施方式中的具体细节,在本申请的技术构思范围内,可以对本申请的技术方案进行多种简单变型,这些简单变型均属于本申请的保护范围。例如,在上述具体实施方式中所描述的各个具体技术特征,在不矛盾的情况下,可以通过任何合适的方式进行组合,为了避免不必要的重复,本申请对各种可能的组合方式不再另行说明。又例如,本申请的各种不同的实施方式之间也可以进行任意组合,只要其不违背本申请的思想,其同样应当视为本申请所公开的内容。
还应理解,在本申请的各种方法实施例中,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。此外,在本申请实施例中,术语“下行”和“上行”用于表示信号或数据的传输方向,其中,“下行”用于表示信号或数据的传输方向为从站点发送至小区的用户设备的第一方向,“上行”用于表示信号或数据的传输方向为从小区的用户设备发送至站点的第二方向,例如,“下行信号”表示该信号的传输方向为第一方向。另外,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。具体地,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。
上文结合图2详细描述了本申请的方法实施例,下文结合图3至图6,详细描述本申请的装置实施例。
图3是本申请实施例的远端终端300的示意性框图。
如图3所示,所述远端终端300可包括:
通信单元310,用于发送第一消息,所述第一消息用于指示所述远端终端需要的中继服务模式为第一服务模式和/或第二服务模式。
在本申请的一些实施例中,所述第一服务模式包括用于通信连接的服务模式和/或需要转发上行 数据的服务模式。
在本申请的一些实施例中,所述第一服务模式用于指示所述远端终端已经或将要处于连接态。
在本申请的一些实施例中,所述第二服务模式包括不用于通信连接的服务模式和/或仅用于转发第一下行消息的服务模式。
在本申请的一些实施例中,所述第二服务模式用于指示所述远端终端已经或将要处于非激活态或空闲态。
在本申请的一些实施例中,所述第一下行消息包括以下消息中的至少一项:系统消息变更消息、地震和海啸预警系统ETWS消息、商业移动告警服务CMAS消息或寻呼消息。
在本申请的一些实施例中,所述第二收发模式包括以下信息中的至少一项:用于指示所述远端终端需要接收的第二下行消息的信息、所述远端终端的身份信息或所述远端终端的寻呼周期信息。
在本申请的一些实施例中,所述第二下行消息包括以下消息中的至少一项:系统消息变更消息、地震和海啸预警系统ETWS消息、商业移动告警服务CMAS消息或寻呼消息。
在本申请的一些实施例中,所述通信单元310还用于:
接收响应于所述第一消息的第二消息。
在本申请的一些实施例中,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第一服务模式,所述第二消息用于指示所述中继终端与网络设备之间是否成功建立通信连接。
在本申请的一些实施例中,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第一服务模式,所述第二消息在所述中继终端与网络设备之间成功建立通信连接后发送。
在本申请的一些实施例中,所述通信连接包括以下中的至少一项:无线承载连接、核心网承载连接或协议数据单元PDU会话连接。
在本申请的一些实施例中,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第二服务模式,所述第二消息用于指示所述中继终端是否可成功接收下行消息。
在本申请的一些实施例中,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第二服务模式,所述第二消息在所述中继终端可成功接收下行消息的情况下发送。
在本申请的一些实施例中,所述中继终端可成功接收下行消息包括以下中的至少一项:所述中继终端在激活的带宽部分BWP上配置有公共搜索空间,或所述中继终端不由于侧行链路和/或下行链路的干扰限制无法接收下行消息。
在本申请的一些实施例中,所述第二消息用于指示所述中继终端不能成功接收下行消息。
在本申请的一些实施例中,所述第二消息还用于指示所述远端终端断开连接或者更新连接。
在本申请的一些实施例中,所述第二消息为第一PC5-S消息。
在本申请的一些实施例中,所述第一PC5-S消息为连接建立/修改成功消息;或者,所述第一PC5-S消息为连接建立/修改拒绝消息。
在本申请的一些实施例中,所述第二消息为第一PC5-无线资源控制RRC消息。
在本申请的一些实施例中,所述第一PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息的响应消息、针对用于Uu数据的侧行链路承载的配置信令的响应消息、或针对用于请求下行消息的信令的响应消息。
在本申请的一些实施例中,所述通信单元310还用于:
接收更新消息,所述更新消息用于指示所述中继终端更新后的状态。
在本申请的一些实施例中,所述更新消息包括所述中继终端和网络设备之间的通信连接发生中断的原因,或所述通信连接发生恢复所针对的小区相关信息。
在本申请的一些实施例中,所述通信连接终端的原因包括以下中的至少一项:发生链路失败、所述中继终端在激活的带宽部分BWP上未配置公共搜索空间,或所述中继终端由于侧行链路和/或下行链路的干扰限制无法接收下行消息。
在本申请的一些实施例中,所述更新消息为第二PC5-S消息。
在本申请的一些实施例中,所述第二PC5-S消息为连接中断/修改消息。
在本申请的一些实施例中,所述更新消息为第二PC5-无线资源控制RRC消息。
在本申请的一些实施例中,所述第二PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息的响应消息、针对用于Uu数据的侧行链路承载的配置信令的响应消息、或针对用于请求下行消息的信令的响应消息。
在本申请的一些实施例中,所述第一消息为第三PC5-S消息。
在本申请的一些实施例中,所述第三PC5-S消息为连接建立请求/修改消息。
在本申请的一些实施例中,所述第一消息为第三PC5-RRC消息或Uu-RRC消息。
在本申请的一些实施例中,所述第三PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息、针对用于Uu数据的侧行链路承载的配置信令、或针对用于请求下行消息的信令。
在本申请的一些实施例中,所述第一消息包括以下中的至少一项:RRC连接建立/恢复/重建消息、针对用于Uu数据的侧行链路承载上的协议数据单元PDU/服务数据单元SDU、或针对下行消息的侧行链路承载上的PDU/SDU。
应理解,装置实施例与方法实施例可以相互对应,类似的描述可以参照方法实施例。具体地,图3所示的远端终端300可以对应于执行本申请实施例的方法200中的相应主体,并且远端终端300中的各个单元的前述和其它操作和/或功能分别为了实现图2中的各个方法中的相应流程,为了简洁,在此不再赘述。
图4是本申请实施例的中继终端400的示意性框图。
如图4所示,所述中继终端400可包括:
通信单元410,用于接收第一消息,所述第一消息用于指示远端终端需要的中继服务模式为第一服务模式和/或第二服务模式。
在本申请的一些实施例中,所述第一服务模式包括用于通信连接的服务模式和/或需要转发上行数据的服务模式。
在本申请的一些实施例中,所述第一服务模式用于指示所述远端终端已经或将要处于连接态。
在本申请的一些实施例中,所述第二服务模式包括不用于通信连接的服务模式和/或仅用于转发第一下行消息的服务模式。
在本申请的一些实施例中,所述第二服务模式用于指示所述远端终端已经或将要处于非激活态或空闲态。
在本申请的一些实施例中,所述第一下行消息包括以下消息中的至少一项:系统消息变更消息、地震和海啸预警系统ETWS消息、商业移动告警服务CMAS消息或寻呼消息。
在本申请的一些实施例中,所述第二收发模式包括以下信息中的至少一项:用于指示所述远端终端需要接收的第二下行消息的信息、所述远端终端的身份信息或所述远端终端的寻呼周期信息。
在本申请的一些实施例中,所述第二下行消息包括以下消息中的至少一项:系统消息变更消息、地震和海啸预警系统ETWS消息、商业移动告警服务CMAS消息或寻呼消息。
在本申请的一些实施例中,所述通信单元410还用于:
所述中继终端发送响应于所述第一消息的第二消息。
在本申请的一些实施例中,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第一服务模式,所述第二消息用于指示所述中继终端与网络设备之间是否成功建立通信连接。
在本申请的一些实施例中,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第一服务模式,所述第二消息在所述中继终端与网络设备之间成功建立通信连接后发送。
在本申请的一些实施例中,所述通信连接包括以下中的至少一项:无线承载连接、核心网承载连接或协议数据单元PDU会话连接。
在本申请的一些实施例中,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第二服务模式,所述第二消息用于指示所述中继终端是否可成功接收下行消息。
在本申请的一些实施例中,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第二服务模式,所述第二消息在所述中继终端可成功接收下行消息的情况下发送。
在本申请的一些实施例中,所述中继终端可成功接收下行消息包括以下中的至少一项:所述中继终端在激活的带宽部分BWP上配置有公共搜索空间,或所述中继终端不由于侧行链路和/或下行链路的干扰限制无法接收下行消息。
在本申请的一些实施例中,所述第二消息用于指示所述中继终端不能成功接收下行消息。
在本申请的一些实施例中,所述第二消息还用于指示所述远端终端断开连接或者更新连接。
在本申请的一些实施例中,所述第二消息为第一PC5-S消息。
在本申请的一些实施例中,所述第一PC5-S消息为连接建立/修改成功消息;或者,所述第一PC5-S消息为连接建立/修改拒绝消息。
在本申请的一些实施例中,所述第二消息为第一PC5-无线资源控制RRC消息。
在本申请的一些实施例中,所述第一PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息的响应消息、针对用于Uu数据的侧行链路承载的配置信令的响应消息、或针对用于请求下行消息的信令的响应消息。
在本申请的一些实施例中,所述通信单元410还用于:
所述中继终端发送更新消息,所述更新消息用于指示所述中继终端更新后的状态。
在本申请的一些实施例中,所述更新消息包括所述中继终端和网络设备之间的通信连接发生中断的原因,或所述通信连接发生恢复所针对的小区相关信息。
在本申请的一些实施例中,所述通信连接终端的原因包括以下中的至少一项:发生链路失败、所述中继终端在激活的带宽部分BWP上未配置公共搜索空间,或所述中继终端由于侧行链路和/或下行链路的干扰限制无法接收下行消息。
在本申请的一些实施例中,所述更新消息为第二PC5-S消息。
在本申请的一些实施例中,所述第二PC5-S消息为连接中断/修改消息。
在本申请的一些实施例中,所述更新消息为第二PC5-无线资源控制RRC消息。
在本申请的一些实施例中,所述第二PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息的响应消息、针对用于Uu数据的侧行链路承载的配置信令的响应消息、或针对用于请求下行消息的信令的响应消息。
在本申请的一些实施例中,所述第一消息为第三PC5-S消息。
在本申请的一些实施例中,所述第三PC5-S消息为连接建立请求/修改消息。
在本申请的一些实施例中,所述第一消息为第三PC5-RRC消息或Uu-RRC消息。
在本申请的一些实施例中,所述第三PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息、针对用于Uu数据的侧行链路承载的配置信令、或针对用于请求下行消息的信令。
在本申请的一些实施例中,所述第一消息包括以下中的至少一项:RRC连接建立/恢复/重建消息、针对用于Uu数据的侧行链路承载上的协议数据单元PDU/服务数据单元SDU、或针对下行消息的侧行链路承载上的PDU/SDU。
应理解,装置实施例与方法实施例可以相互对应,类似的描述可以参照方法实施例。具体地,图4所示的中继终端400可以对应于执行本申请实施例的方法200中的相应主体,并且中继终端400中的各个单元的前述和其它操作和/或功能分别为了实现图2中的各个方法中的相应流程,为了简洁,在此不再赘述。
上文中结合附图从功能模块的角度描述了本申请实施例的通信设备。应理解,该功能模块可以通过硬件形式实现,也可以通过软件形式的指令实现,还可以通过硬件和软件模块组合实现。
具体地,本申请实施例中的方法实施例的各步骤可以通过处理器中的硬件的集成逻辑电路和/或软件形式的指令完成,结合本申请实施例公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。
可选地,软件模块可以位于随机存储器,闪存、只读存储器、可编程只读存储器、电可擦写可编程存储器、寄存器等本领域的成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法实施例中的步骤。
例如,上文涉及的处理单元和通信单元可分别由处理器和收发器实现。
图5是本申请实施例的通信设备500示意性结构图。
如图5所示,所述通信设备500可包括处理器510。
其中,处理器510可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
请继续参见图5,通信设备500还可以包括存储器520。
其中,该存储器520可以用于存储指示信息,还可以用于存储处理器510执行的代码、指令等。其中,处理器510可以从存储器520中调用并运行计算机程序,以实现本申请实施例中的方法。存储器520可以是独立于处理器510的一个单独的器件,也可以集成在处理器510中。
请继续参见图5,通信设备500还可以包括收发器530。
其中,处理器510可以控制该收发器530与其他设备进行通信,具体地,可以向其他设备发送信息或数据,或接收其他设备发送的信息或数据。收发器530可以包括发射机和接收机。收发器530还可以进一步包括天线,天线的数量可以为一个或多个。
应当理解,该通信设备500中的各个组件通过总线系统相连,其中,总线系统除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。
还应理解,该通信设备500可为本申请实施例的终端设备,并且该通信设备500可以实现本申请实施例的各个方法中由远端终端实现的相应流程,也就是说,本申请实施例的通信设备500可对应于本申请实施例中的远端终端,并可以对应于执行根据本申请实施例的方法200中的相应主体,为了简洁,在此不再赘述。类似地,该通信设备500可为本申请实施例的网络设备,并且该通信设备500可以实现本申请实施例的各个方法中由中继终端实现的相应流程。也就是说,本申请实施例的通信设备500可对应于本申请实施例中的中继终端,并可以对应于执行根据本申请实施例的方法200中的相应主体,为了简洁,在此不再赘述。
此外,本申请实施例中还提供了一种芯片。
例如,芯片可能是一种集成电路芯片,具有信号的处理能力,可以实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。所述芯片还可以称为系统级芯片,系统芯片,芯片系统或片上系统芯片等。可选地,该芯片可应用到各种通信设备中,使得安装有该芯片的通信设备能够执行本申请实施例中的公开的各方法、步骤及逻辑框图。
图6是根据本申请实施例的芯片600的示意性结构图。
如图6所示,所述芯片600包括处理器610。
其中,处理器610可以从存储器中调用并运行计算机程序,以实现本申请实施例中的方法。
请继续参见图6,所述芯片600还可以包括存储器620。
其中,处理器610可以从存储器620中调用并运行计算机程序,以实现本申请实施例中的方法。该存储器620可以用于存储指示信息,还可以用于存储处理器610执行的代码、指令等。存储器620可以是独立于处理器610的一个单独的器件,也可以集成在处理器610中。
请继续参见图6,所述芯片600还可以包括输入接口630。
其中,处理器610可以控制该输入接口630与其他设备或芯片进行通信,具体地,可以获取其他设备或芯片发送的信息或数据。
请继续参见图6,所述芯片600还可以包括输出接口640。
其中,处理器610可以控制该输出接口640与其他设备或芯片进行通信,具体地,可以向其他设备或芯片输出信息或数据。
应理解,所述芯片600可应用于本申请实施例中的远端终端,并且该芯片可以实现本申请实施例的各个方法中由中继终端实现的相应流程,也可以实现本申请实施例的各个方法中由中继终端实现的相应流程,为了简洁,在此不再赘述。还应理解,该芯片600中的各个组件通过总线系统相连,其中,总线系统除包括数据总线之外,还包括电源总线、控制总线和状态信号总线。
上文涉及的处理器可以包括但不限于:
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)、现场可编程门阵列(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、分立硬件组件等等。
所述处理器可以用于实现或者执行本申请实施例中的公开的各方法、步骤及逻辑框图。结合本申请实施例所公开的方法的步骤可以直接体现为硬件译码处理器执行完成,或者用译码处理器中的硬件及软件模块组合执行完成。软件模块可以位于随机存储器,闪存、只读存储器,可编程只读存储器或者可擦写可编程存储器、寄存器等本领域成熟的存储介质中。该存储介质位于存储器,处理器读取存储器中的信息,结合其硬件完成上述方法的步骤。
上文涉及的存储器包括但不限于:
易失性存储器和/或非易失性存储器。其中,非易失性存储器可以是只读存储器(Read-Only Memory,ROM)、可编程只读存储器(Programmable ROM,PROM)、可擦除可编程只读存储器(Erasable PROM,EPROM)、电可擦除可编程只读存储器(Electrically EPROM,EEPROM)或闪存。易失性存储器可以是随机存取存储器(Random Access Memory,RAM),其用作外部高速缓存。通过示例性但不是限制性说明,许多形式的RAM可用,例如静态随机存取存储器(Static RAM,SRAM)、动态随机存取存储器(Dynamic RAM,DRAM)、同步动态随机存取存储器(Synchronous DRAM,SDRAM)、双倍数据速率同步动态随机存取存储器(Double Data Rate SDRAM,DDR SDRAM)、增强型同步动态随机存取存储器(Enhanced SDRAM,ESDRAM)、同步连接动态随机存取存储器(synch link DRAM,SLDRAM)和直接内存总线随机存取存储器(Direct Rambus RAM,DR RAM)。
应注意,本文描述的存储器旨在包括这些和其它任意适合类型的存储器。
本申请实施例中还提供了一种计算机可读存储介质,用于存储计算机程序。该计算机可读存储介质存储一个或多个程序,该一个或多个程序包括指令,该指令当被包括多个应用程序的便携式电子设备执行时,能够使该便携式电子设备执行方法200所示实施例的方法。
可选的,该计算机可读存储介质可应用于本申请实施例中的网络设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机可读存储介质可应用于本申请实施例中的移动终端/终端设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程,为了简洁,在此不再赘述。
本申请实施例中还提供了一种计算机程序产品,包括计算机程序。
可选的,该计算机程序产品可应用于本申请实施例中的网络设备,并且该计算机程序使得计算机 执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
可选地,该计算机程序产品可应用于本申请实施例中的移动终端/终端设备,并且该计算机程序使得计算机执行本申请实施例的各个方法中由移动终端/终端设备实现的相应流程,为了简洁,在此不再赘述。
本申请实施例中还提供了一种计算机程序。当该计算机程序被计算机执行时,使得计算机可以执行方法200所示实施例的方法。
可选的,该计算机程序可应用于本申请实施例中的网络设备,当该计算机程序在计算机上运行时,使得计算机执行本申请实施例的各个方法中由网络设备实现的相应流程,为了简洁,在此不再赘述。
此外,本申请实施例还提供了一种通信系统,所述通信系统可以包括上述涉及的终端设备和网络设备,以形成如图1所示的通信系统100,为了简洁,在此不再赘述。需要说明的是,本文中的术语“系统”等也可以称为“网络管理架构”或者“网络系统”等。
还应当理解,在本申请实施例和所附权利要求书中使用的术语是仅仅出于描述特定实施例的目的,而非旨在限制本申请实施例。
例如,在本申请实施例和所附权利要求书中所使用的单数形式的“一种”、“所述”、“上述”和“该”也旨在包括多数形式,除非上下文清楚地表示其他含义。
所属领域的技术人员可以意识到,结合本文中所公开的实施例描述的各示例的单元及算法步骤,能够以电子硬件、或者计算机软件和电子硬件的结合来实现。这些功能究竟以硬件还是软件方式来执行,取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能,但是这种实现不应认为超出本申请实施例的范围。
如果以软件功能单元的形式实现并作为独立的产品销售或使用时,可以存储在一个计算机可读取存储介质中。基于这样的理解,本申请实施例的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质中,包括若干指令用以使得一台计算机设备(可以是个人计算机,服务器,或者网络设备等)执行本申请实施例所述方法的全部或部分步骤。而前述的存储介质包括:U盘、移动硬盘、只读存储器、随机存取存储器、磁碟或者光盘等各种可以存储程序代码的介质。
所属领域的技术人员可以清楚地了解到,为描述的方便和简洁,上述描述的系统、装置和单元的具体工作过程,可以参考前述方法实施例中的对应过程,在此不再赘述。
在本申请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中单元或模块或组件的划分,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,多个单元或模块或组件可以结合或者可以集成到另一个系统,或一些单元或模块或组件可以忽略,或不执行。
又例如,上述作为分离/显示部件说明的单元/模块/组件可以是或者也可以不是物理上分开的,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/模块/组件来实现本申请实施例的目的。
最后,需要说明的是,上文中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。
以上内容,仅为本申请实施例的具体实施方式,但本申请实施例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实施例揭露的技术范围内,可轻易想到变化或替换,都应涵盖在本申请实施例的保护范围之内。因此,本申请实施例的保护范围应以权利要求的保护范围为准。
Claims (74)
- 一种无线通信方法,其特征在于,包括:远端终端发送第一消息,所述第一消息用于指示所述远端终端需要的中继服务模式为第一服务模式和/或第二服务模式。
- 根据权利要求1所述的方法,其特征在于,所述第一服务模式包括用于通信连接的服务模式和/或需要转发上行数据的服务模式。
- 根据权利要求2所述的方法,其特征在于,所述第一服务模式用于指示所述远端终端已经或将要处于连接态。
- 根据权利要求1至3中任一项所述的方法,其特征在于,所述第二服务模式包括不用于通信连接的服务模式和/或仅用于转发第一下行消息的服务模式。
- 根据权利要求4所述的方法,其特征在于,所述第二服务模式用于指示所述远端终端已经或将要处于非激活态或空闲态。
- 根据权利要求4或5所述的方法,其特征在于,所述第一下行消息包括以下消息中的至少一项:系统消息变更消息、地震和海啸预警系统ETWS消息、商业移动告警服务CMAS消息或寻呼消息。
- 根据权利要求1至6中任一项所述的方法,其特征在于,所述第二收发模式包括以下信息中的至少一项:用于指示所述远端终端需要接收的第二下行消息的信息、所述远端终端的身份信息或所述远端终端的寻呼周期信息。
- 根据权利要求7所述的方法,其特征在于,所述第二下行消息包括以下消息中的至少一项:系统消息变更消息、地震和海啸预警系统ETWS消息、商业移动告警服务CMAS消息或寻呼消息。
- 根据权利要求1至8中任一项所述的方法,其特征在于,所述方法还包括:所述远端终端接收响应于所述第一消息的第二消息。
- 根据权利要求9所述的方法,其特征在于,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第一服务模式,所述第二消息用于指示所述中继终端与网络设备之间是否成功建立通信连接。
- 根据权利要求9所述的方法,其特征在于,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第一服务模式,所述第二消息在所述中继终端与网络设备之间成功建立通信连接后发送。
- 根据权利要求10或11所述的方法,其特征在于,所述通信连接包括以下中的至少一项:无线承载连接、核心网承载连接或协议数据单元PDU会话连接。
- 根据权利要求9所述的方法,其特征在于,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第二服务模式,所述第二消息用于指示所述中继终端是否可成功接收下行消息。
- 根据权利要求9所述的方法,其特征在于,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第二服务模式,所述第二消息在所述中继终端可成功接收下行消息的情况下发送。
- 根据权利要求14所述的方法,其特征在于,所述中继终端可成功接收下行消息包括以下中的至少一项:所述中继终端在激活的带宽部分BWP上配置有公共搜索空间,或所述中继终端不由于侧行链路和/或下行链路的干扰限制无法接收下行消息。
- 根据权利要求9所述的方法,其特征在于,所述第二消息用于指示所述中继终端不能成功接收下行消息。
- 根据权利要求16所述的方法,其特征在于,所述第二消息还用于指示所述远端终端断开连接或者更新连接。
- 根据权利要求9至17中任一项所述的方法,其特征在于,所述第二消息为第一PC5-S消息。
- 根据权利要求18所述的方法,其特征在于,所述第一PC5-S消息为连接建立/修改成功消息;或者,所述第一PC5-S消息为连接建立/修改拒绝消息。
- 根据权利要求9至17中任一项所述的方法,其特征在于,所述第二消息为第一PC5-无线资源控制RRC消息。
- 根据权利要求20所述的方法,其特征在于,所述第一PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息的响应消息、针对用于Uu数据的侧行链路承载的配置信令的响应消息、或针对用于请求下行消息的信令的响应消息。
- 根据权利要求1至21中任一项所述的方法,其特征在于,所述方法还包括:所述远端终端接收更新消息,所述更新消息用于指示所述中继终端更新后的状态。
- 根据权利要求22所述的方法,其特征在于,所述更新消息包括所述中继终端和网络设备之 间的通信连接发生中断的原因,或所述通信连接发生恢复所针对的小区相关信息。
- 根据权利要求23所述的方法,其特征在于,所述通信连接终端的原因包括以下中的至少一项:发生链路失败、所述中继终端在激活的带宽部分BWP上未配置公共搜索空间,或所述中继终端由于侧行链路和/或下行链路的干扰限制无法接收下行消息。
- 根据权利要求22至24中任一项所述的方法,其特征在于,所述更新消息为第二PC5-S消息。
- 根据权利要求25所述的方法,其特征在于,所述第二PC5-S消息为连接中断/修改消息。
- 根据权利要求22至26中任一项所述的方法,其特征在于,所述更新消息为第二PC5-无线资源控制RRC消息。
- 根据权利要求27所述的方法,其特征在于,所述第二PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息的响应消息、针对用于Uu数据的侧行链路承载的配置信令的响应消息、或针对用于请求下行消息的信令的响应消息。
- 根据权利要求1至28中任一项所述的方法,其特征在于,所述第一消息为第三PC5-S消息。
- 根据权利要求29所述的方法,其特征在于,所述第三PC5-S消息为连接建立请求/修改消息。
- 根据权利要求1至28中任一项所述的方法,其特征在于,所述第一消息为第三PC5-RRC消息或Uu-RRC消息。
- 根据权利要求31所述的方法,其特征在于,所述第三PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息、针对用于Uu数据的侧行链路承载的配置信令、或针对用于请求下行消息的信令。
- 根据权利要求1至25中任一项所述的方法,其特征在于,所述第一消息包括以下中的至少一项:RRC连接建立/恢复/重建消息、针对用于Uu数据的侧行链路承载上的协议数据单元PDU/服务数据单元SDU、或针对下行消息的侧行链路承载上的PDU/SDU。
- 一种无线通信方法,其特征在于,包括:中继终端接收第一消息,所述第一消息用于指示远端终端需要的中继服务模式为第一服务模式和/或第二服务模式。
- 根据权利要求34所述的方法,其特征在于,所述第一服务模式包括用于通信连接的服务模式和/或需要转发上行数据的服务模式。
- 根据权利要求35所述的方法,其特征在于,所述第一服务模式用于指示所述远端终端已经或将要处于连接态。
- 根据权利要求34至36中任一项所述的方法,其特征在于,所述第二服务模式包括不用于通信连接的服务模式和/或仅用于转发第一下行消息的服务模式。
- 根据权利要求37所述的方法,其特征在于,所述第二服务模式用于指示所述远端终端已经或将要处于非激活态或空闲态。
- 根据权利要求37或38所述的方法,其特征在于,所述第一下行消息包括以下消息中的至少一项:系统消息变更消息、地震和海啸预警系统ETWS消息、商业移动告警服务CMAS消息或寻呼消息。
- 根据权利要求34至39中任一项所述的方法,其特征在于,所述第二收发模式包括以下信息中的至少一项:用于指示所述远端终端需要接收的第二下行消息的信息、所述远端终端的身份信息或所述远端终端的寻呼周期信息。
- 根据权利要求40所述的方法,其特征在于,所述第二下行消息包括以下消息中的至少一项:系统消息变更消息、地震和海啸预警系统ETWS消息、商业移动告警服务CMAS消息或寻呼消息。
- 根据权利要求34至41中任一项所述的方法,其特征在于,所述方法还包括:所述中继终端发送响应于所述第一消息的第二消息。
- 根据权利要求42所述的方法,其特征在于,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第一服务模式,所述第二消息用于指示所述中继终端与网络设备之间是否成功建立通信连接。
- 根据权利要求42所述的方法,其特征在于,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第一服务模式,所述第二消息在所述中继终端与网络设备之间成功建立通信连接后发送。
- 根据权利要求43或44所述的方法,其特征在于,所述通信连接包括以下中的至少一项:无线承载连接、核心网承载连接或协议数据单元PDU会话连接。
- 根据权利要求42所述的方法,其特征在于,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第二服务模式,所述第二消息用于指示所述中继终端是否可成功接收下行消息。
- 根据权利要求42所述的方法,其特征在于,所述第一消息用于指示所述远端终端需要的中继服务模式为所述第二服务模式,所述第二消息在所述中继终端可成功接收下行消息的情况下发送。
- 根据权利要求47所述的方法,其特征在于,所述中继终端可成功接收下行消息包括以下中的至少一项:所述中继终端在激活的带宽部分BWP上配置有公共搜索空间,或所述中继终端不由于侧行链路和/或下行链路的干扰限制无法接收下行消息。
- 根据权利要求42所述的方法,其特征在于,所述第二消息用于指示所述中继终端不能成功接收下行消息。
- 根据权利要求49所述的方法,其特征在于,所述第二消息还用于指示所述远端终端断开连接或者更新连接。
- 根据权利要求42至50中任一项所述的方法,其特征在于,所述第二消息为第一PC5-S消息。
- 根据权利要求51所述的方法,其特征在于,所述第一PC5-S消息为连接建立/修改成功消息;或者,所述第一PC5-S消息为连接建立/修改拒绝消息。
- 根据权利要求42至50中任一项所述的方法,其特征在于,所述第二消息为第一PC5-无线资源控制RRC消息。
- 根据权利要求53所述的方法,其特征在于,所述第一PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息的响应消息、针对用于Uu数据的侧行链路承载的配置信令的响应消息、或针对用于请求下行消息的信令的响应消息。
- 根据权利要求34至54中任一项所述的方法,其特征在于,所述方法还包括:所述中继终端发送更新消息,所述更新消息用于指示所述中继终端更新后的状态。
- 根据权利要求55所述的方法,其特征在于,所述更新消息包括所述中继终端和网络设备之间的通信连接发生中断的原因,或所述通信连接发生恢复所针对的小区相关信息。
- 根据权利要求56所述的方法,其特征在于,所述通信连接终端的原因包括以下中的至少一项:发生链路失败、所述中继终端在激活的带宽部分BWP上未配置公共搜索空间,或所述中继终端由于侧行链路和/或下行链路的干扰限制无法接收下行消息。
- 根据权利要求55至57中任一项所述的方法,其特征在于,所述更新消息为第二PC5-S消息。
- 根据权利要求58所述的方法,其特征在于,所述第二PC5-S消息为连接中断/修改消息。
- 根据权利要求55至59中任一项所述的方法,其特征在于,所述更新消息为第二PC5-无线资源控制RRC消息。
- 根据权利要求60所述的方法,其特征在于,所述第二PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息的响应消息、针对用于Uu数据的侧行链路承载的配置信令的响应消息、或针对用于请求下行消息的信令的响应消息。
- 根据权利要求34至61中任一项所述的方法,其特征在于,所述第一消息为第三PC5-S消息。
- 根据权利要求62所述的方法,其特征在于,所述第三PC5-S消息为连接建立请求/修改消息。
- 根据权利要求34至61中任一项所述的方法,其特征在于,所述第一消息为第三PC5-RRC消息或Uu-RRC消息。
- 根据权利要求64所述的方法,其特征在于,所述第三PC5-RRC消息包括以下中的至少一项:用于请求中继业务的消息、针对用于Uu数据的侧行链路承载的配置信令、或针对用于请求下行消息的信令。
- 根据权利要求34至65中任一项所述的方法,其特征在于,所述第一消息包括以下中的至少一项:RRC连接建立/恢复/重建消息、针对用于Uu数据的侧行链路承载上的协议数据单元PDU/服务数据单元SDU、或针对下行消息的侧行链路承载上的PDU/SDU。
- 一种无线通信方法,其特征在于,包括:通信单元,用于发送第一消息,所述第一消息用于指示所述远端终端需要的中继服务模式为第一服务模式和/或第二服务模式。
- 一种无线通信方法,其特征在于,包括:通信单元,用于接收第一消息,所述第一消息用于指示远端终端需要的中继服务模式为第一服务模式和/或第二服务模式。
- 一种远端终端,其特征在于,包括:处理器、存储器和收发器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存储器中存储的计算机程序,以执行权利要求1至33中任一项所述的方法。
- 一种网络设备,其特征在于,包括:处理器、存储器和收发器,所述存储器用于存储计算机程序,所述处理器用于调用并运行所述存 储器中存储的计算机程序,以执行权利要求34至66中任一项所述的方法。
- 一种芯片,其特征在于,包括:处理器,用于从存储器中调用并运行计算机程序,使得安装有所述芯片的设备执行如权利要求1至33中任一项所述的方法或如权利要求34至66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,用于存储计算机程序,所述计算机程序使得计算机执行如权利要求1至33中任一项所述的方法或如权利要求34至66中任一项所述的方法。
- 一种计算机程序产品,其特征在于,包括计算机程序指令,所述计算机程序指令使得计算机执行如权利要求1至33中任一项所述的方法或如权利要求34至66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至33中任一项所述的方法或如权利要求34至66中任一项所述的方法。
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