WO2023010791A1 - 通信方法、电子设备和存储介质 - Google Patents

通信方法、电子设备和存储介质 Download PDF

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Publication number
WO2023010791A1
WO2023010791A1 PCT/CN2021/142864 CN2021142864W WO2023010791A1 WO 2023010791 A1 WO2023010791 A1 WO 2023010791A1 CN 2021142864 W CN2021142864 W CN 2021142864W WO 2023010791 A1 WO2023010791 A1 WO 2023010791A1
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WIPO (PCT)
Prior art keywords
user equipment
indication information
information
base station
communication
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PCT/CN2021/142864
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English (en)
French (fr)
Inventor
徐敏
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Spreadtrum Communications Shanghai Co Ltd
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Spreadtrum Communications Shanghai Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/30—Services specially adapted for particular environments, situations or purposes
    • H04W4/33—Services specially adapted for particular environments, situations or purposes for indoor environments, e.g. buildings

Definitions

  • the present application relates to the technical field of communication, and in particular to a communication method, electronic equipment and a storage medium.
  • the access network equipment in the CPN network mainly includes indoor base stations and residential gateways. That is to say, after the service transmission link is established, the user equipment needs to pass through the indoor base station and the residential gateway in order to upload the service data to the core network, and then the core network element sends the service data to the peer user equipment step by step.
  • the transmission path is long, especially when two user equipments correspond to the same indoor base station, or correspond to the same residential gateway, there are many unnecessary transmission paths, the communication efficiency is not high, and the delay is large.
  • Embodiments of the present application provide a communication method, electronic equipment, and a storage medium, which are used to shorten data transmission paths between user equipments, reduce communication delays, and improve communication efficiency in indoor communication scenarios. It should be noted that the embodiments of the present application may also be applicable to communication scenarios covered by outdoor small base stations.
  • an embodiment of the present application provides a communication method, the method is applied to an access network device accessed by a first user equipment, and the method includes: sending first indication information to a core network device, the first The indication information is used to indicate that the first user equipment is located in the first customer premises network CPN; receiving second indication information, the second indication information is used to indicate that the first user equipment performs local communication.
  • the second indication information includes: first user equipment information and second user equipment information that perform local communication in the first CPN; and/or, in the first CPN The service information of the first user equipment and the service information of the second user equipment performing local communication in the network.
  • the first user equipment information and the second user equipment information include a combination of one or more of the following: transport layer information, an interface protocol identifier, and a user equipment identifier.
  • the access network device is a gateway; the method further includes: sending the first user equipment information and/or the service information of the first user equipment to the first A first base station accessed by the user equipment; and, sending the second user equipment information and/or the service information of the second user equipment to the second base station accessed by the second user equipment.
  • the method further includes: sending data transmission address information to the first base station and the second base station respectively, and the data transmission address information is used for the first base station and the second base station The second base station respectively establishes a local transmission channel with the gateway.
  • the method further includes: sending the second user equipment information and/or second base station information to the first base station; and sending the first User equipment information and/or first base station information.
  • the access network device is a base station; the method further includes: sending third indication information to the first user equipment and the second user equipment, the third indication information It is used to instruct the first user equipment to directly communicate with the second user equipment.
  • the method further includes: sending a handover request message to the target cell, where the handover request message carries a local communication instruction and/or service information of the local communication.
  • the method further includes: sending fourth indication information to the core network device, where the fourth indication information is used to notify the first user equipment and/or the second user equipment The device maintains local communication after switching cells.
  • the embodiment of the present application provides a communication method, the method is applied to the core network equipment, including: receiving the first indication information sent by the access network equipment, the first indication information is used to indicate the first The user equipment is located in the first customer premises network CPN; sending second indication information to the access network device, where the second indication information is used to instruct the first user equipment to perform local communication in the first CPN.
  • the access network device is a base station; the method further includes: receiving fourth indication information sent by the base station, where the fourth indication information is used to notify the first user equipment And/or the second user equipment maintains local communication after the cell is switched.
  • an embodiment of the present application provides a communication device, the device including: a first sending module, configured to send first indication information to a core network device, the first indication information is used to indicate that the first user The device is located in the first CPN; the first receiving module is configured to receive second indication information, where the second indication information is used to instruct the first user equipment to perform local communication in the first CPN.
  • an embodiment of the present application provides a communication device, the device including: a second receiving module, configured to receive first indication information sent by an access network device, where the first indication information is used to indicate that the first indication information A user equipment is located in a first customer premises network CPN; a second sending module is configured to send second indication information to the access network device, where the second indication information is used to indicate that the first user equipment is in the Local communication is performed in the first CPN.
  • an embodiment of the present application provides an electronic device, including: at least one processor; and at least one memory communicated with the processor, wherein: the memory stores a program executable by the processor Instructions, the processor invokes the program instructions to execute the method as described in the first aspect.
  • the embodiment of the present application provides an electronic device, including: at least one processor; and at least one memory communicated with the processor, wherein: the memory stores a program executable by the processor Instructions, the processor invokes the program instructions to execute the method as described in the second aspect.
  • an embodiment of the present application provides a computer-readable storage medium, where the computer-readable storage medium stores computer instructions, and the computer instructions cause the computer to execute the methods described in the first aspect and the second aspect.
  • the access network device may send the first indication information to the core network device, to indicate that the first user equipment is located in the first customer premises network CPN.
  • the core network device may send and receive second indication information to the access network device according to the first indication information, so as to instruct the first user equipment to perform local communication in the first CPN.
  • FIG. 1 is a flowchart of a communication method provided by an embodiment of the present application
  • FIG. 2 is a flow chart of another communication method provided by the embodiment of the present application.
  • FIG. 3 is a flow chart of another communication method provided by the embodiment of the present application.
  • FIG. 4 is a schematic structural diagram of a communication device provided in an embodiment of the present application.
  • FIG. 5 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of an electronic device provided by an embodiment of the present application.
  • the user equipment is a device with a wireless transceiver function, which can be called a terminal (terminal), terminal equipment, mobile station (mobile station, MS), mobile terminal (mobile terminal, MT), access terminal equipment , vehicle terminal equipment, industrial control terminal equipment, UE unit, UE station, mobile station, remote station, remote terminal equipment, mobile equipment, UE terminal equipment, wireless communication equipment, UE agent or UE device, etc.
  • Terminal terminal
  • terminal equipment mobile station
  • MS mobile terminal
  • mobile terminal mobile terminal
  • MT mobile terminal
  • access terminal equipment vehicle terminal equipment
  • industrial control terminal equipment UE unit
  • UE station mobile station
  • remote station remote terminal equipment
  • mobile equipment UE terminal equipment
  • wireless communication equipment UE agent or UE device
  • the user equipment may be a mobile phone (mobile phone), a tablet computer (pad), a desktop computer, a notebook computer, an all-in-one computer, a vehicle terminal, a virtual reality (virtual reality, VR) terminal device, an augmented reality (augmented reality, AR) terminal Equipment, wireless terminals in industrial control, wireless terminals in self driving, wireless terminals in remote medical surgery, wireless terminals in smart grid, transportation safety Wireless terminals in (transportation safety), wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless Local loop (wireless local loop, WLL) stations, personal digital assistants (personal digital assistant, PDA), handheld devices with wireless communication capabilities, computing devices or other processing devices connected to wireless modems, wearable devices, future mobile communications
  • the user equipment may also be a device capable of transmit
  • the user equipment can support at least one wireless communication technology, for example: Narrow Band-internet of Things (NB-IoT), Global System for Mobile Communications (Global System for Mobile Communications, GSM), enhanced Enhanced Data Rate for GSMEvolution (EDGE), Wideband Code Division Multiple Access (WCDMA), Code Division Multiple Access 2000 (Code Division Multiple Access, CDMA2000), Time Division Synchronous Code Division Multiple Access System (Time division-Synchronization Code Division Multiple Access, TDSCDMA), Long Term Evolution System (Long Term evolution, LTE), fifth-generation mobile communication system or possible sixth-generation, seventh-generation mobile communication system, vehicle-mounted wireless short-distance Communication systems and future mobile communication systems, etc.
  • NB-IoT Narrow Band-internet of Things
  • GSM Global System for Mobile Communications
  • EDGE enhanced Enhanced Data Rate for GSMEvolution
  • WCDMA Wideband Code Division Multiple Access
  • CDMA2000 Code Division Multiple Access 2000
  • Time Division Synchronous Code Division Multiple Access System Time division-Synchronization Code Division Multiple Access
  • the base station in the embodiment of the present application may also be referred to as base station equipment, which is a device deployed on a radio access network (Radio Access Network, RAN) to provide wireless communication functions.
  • the equipment providing base station function in 2G network includes Base Transceiver Station (BTS)
  • the equipment providing base station function in 3G network includes Node B (NodeB)
  • the equipment providing base station function in 4G network includes evolved Node B (evolved NodeB, eNB), in the wireless local area network (Wireless Local Area Networks, WLAN)
  • the device that provides the base station function is the access point (Access Point, AP for short), in the 5G new wireless (New Radio, NR)
  • FIG. 1 is a flowchart of a communication method provided by an embodiment of the present application. As shown in Figure 1, the above communication method may include:
  • Step 101 the access network device sends first indication information to the core network device to indicate that the first user equipment is located in the first customer premises network CPN.
  • Figure 2 shows the flow chart of establishing a data communication link.
  • the first user equipment may send a service request message to the access network device, and then the access network device sends the service request message to the core network device.
  • the access network device may include a base station and a gateway. Specifically, first, the first user equipment may send a service request message to the accessed base station.
  • the base station accessed by the first user equipment may be any kind of indoor base station. Exemplarily, it may be a building wireless access station (Premises Radio Access Station, PRAS).
  • PRAS Premises Radio Access Station
  • the base station can forward the service request message to the corresponding gateway.
  • the gateway corresponding to the first user equipment may be any residential gateway involved in the indoor communication scenario, for example, it may be an evolved residential gateway (Evolved Residential Gateway, eRG).
  • eRG evolved Residential Gateway
  • the gateway may send the received service request message to the core network device.
  • the customer premise networks Customer Premises Network, CPN
  • CPN Customer Premises Network
  • the embodiment of the present application may add the first indication information in the service request message.
  • the first indication information is used to indicate that the first user equipment is located in the first CPN.
  • the first indication information may be a CPN indication, or a local communication indication.
  • the first indication information may also be any kind of information that can uniquely identify the CPN. Exemplarily, it may be an access network device identifier or a CPN identifier, which is not limited in this application.
  • the first user equipment may add the first indication information in the service request message. Specifically, the first user equipment may receive the cell broadcast sent by the base station. If the first user equipment determines that it accesses the CPN network according to the cell broadcast, then the first indication information may be added to the service request message according to the cell broadcast. Or, the first user equipment adds the first indication information to other non-access stratum (Non Access Stratum, NAS) messages sent to the core network device.
  • Non Access Stratum Non Access Stratum
  • the base station accessible by the first user equipment adds the first indication information to the information including the service request message. Specifically, after receiving the service request message, the base station accessed by the first user equipment may add the first indication information to the information containing the service request message.
  • the information including the service request message may be an N2 interface message.
  • the gateway corresponding to the first user equipment may add the first indication information to the information including the service request message. Specifically, after receiving the service request message, the gateway may add the first indication information to the information containing the service request message.
  • Step 102 the core network device receives first indication information sent by the access network device.
  • the core network device may receive the request message sent by the access network device, and obtain the first indication information carried therein. Therefore, the core network device can determine that the first user equipment is located in the first CPN according to the first indication information.
  • the core network equipment may also page the corresponding second user equipment according to the service request message of the first user equipment.
  • the core network device may determine the corresponding second user equipment according to the service request message. Then, a paging message may be sent to the second user equipment to trigger a service response of the second user equipment.
  • the second user equipment After the second user equipment receives the paging message sent by the core network equipment, similar to the first user equipment, the second user equipment can send a service response message to the gateway corresponding to the second user equipment through the base station accessed by itself. Then, the gateway corresponding to the second user equipment may send the service response message to the core network equipment. Therefore, the core network device can determine the CPN where the second user equipment is located according to the access network device identifier or the CPN identifier carried in the service response message.
  • the core network device may be, for example, a user plane function (User Plane Function, UPF) network element, an access and mobility management function (Access and Mobility Management Function, AMF) network element, a session management function (Session Management Function, SMF) network element, etc.
  • UPF User Plane Function
  • AMF Access and Mobility Management Function
  • SMF Session Management Function
  • Step 103 the core network device sends second indication information to the access network device, for instructing the first user equipment to perform local communication in the first CPN.
  • the core network device may determine whether the CPN where the second user equipment is located is the same as the CPN where the first user equipment is located. After it is determined that the second user equipment is also located in the first CPN, it may be considered that the first user equipment and the second user equipment access the same gateway. At this time, the core network device may send the second indication information to the gateway. The second indication information may indicate that the first user equipment performs local communication in the first CPN.
  • the second indication information may include: first user equipment information and second user equipment information that perform local communication in the first CPN, and/or, the first user that performs local communication in the first CPN Service information of the device and service information of the second user equipment.
  • the first user equipment information and the second user equipment information may include but not limited to: transport layer information, user equipment interface identifiers, user equipment identifiers, and the like.
  • the user equipment interface identifier includes: NG interface application protocol identifier (NG Application Protocol ID, NGAP ID). It can be the network protocol NG interface application protocol ID (Action Message Format UE NG Application Protocol ID, AMF UE NGAP ID), or the wireless access network NG interface application protocol ID (Wireless Access Network UE NG Application Protocol ID, RAN UE NGAP ID) .
  • NG interface application protocol ID Action Message Format UE NG Application Protocol ID, AMF UE NGAP ID
  • wireless access network NG interface application protocol ID Wireless Access Network UE NG Application Protocol ID, RAN UE NGAP ID
  • the transport layer information may be user plane transport layer information (UP Transport Layer Information, UP TLI). It can also be GPRS Tunneling Protocol (GPRS Tunneling Protocol, GPRS GTP) information, including transport layer address, tunnel end identification (Tunnel Endpoint Identifier, GTP-TEID), port number, etc.
  • UP Transport Layer Information UP Transport Layer Information
  • GPRS GTP GPRS Tunneling Protocol
  • the identifier of the user equipment may be a Cell-Radio Network Temporary Identifier (C-RNTI). It can also be, 5G Globally Unique Temporary UE Identity (5G Globally Unique Temporary UE Identity, 5G-GUT I), 5G Temporary Mobile Subscription Identifier (5G S-Temporary Mobile Subscription Identifier, 5G-S-TMSI), subscription permanent identity ( Subscription Permanent Identifier, SUPI), etc.
  • C-RNTI Cell-Radio Network Temporary Identifier
  • 5G Globally Unique Temporary UE Identity 5G Globally Unique Temporary UE Identity, 5G-GUT I
  • 5G Temporary Mobile Subscription Identifier 5G S-Temporary Mobile Subscription Identifier, 5G-S-TMSI
  • subscription permanent identity Subscription Permanent Identifier, SUPI
  • the service information may include a protocol data unit session identifier (Protocol Data Unit Session Identifier, PDU Session ID) of the user equipment, or one or more flow identifiers (Flow Identifier, Flow ID), etc.
  • a protocol data unit session identifier Protocol Data Unit Session Identifier, PDU Session ID
  • flow identifiers Flow Identifier, Flow ID
  • Step 104 the access network device receives the second indication information, and determines that the first user equipment performs local communication in the first CPN.
  • the gateway may determine that the first user equipment performs local communication in the first CPN. Thereafter, the gateway may respectively determine base stations accessed by the first user equipment and the second user equipment according to the second indication information. Then, the local transmission link of the first user equipment in the first CPN may be determined according to the base stations accessed by the first user equipment and the second user equipment.
  • the gateway determines that the first user equipment and the second user equipment respectively access different base stations. Then, it may be determined that the service data path between the first user equipment and the second user equipment includes: a gateway, a first base station, and a second base station.
  • the gateway may respectively send user equipment information and service information to the first base station accessed by the first user equipment and the second base station accessed by the second user equipment.
  • the embodiment of the present application may provide several possible implementation manners.
  • the gateway may send the first user equipment information and/or the service information of the first user equipment to the first base station accessed by the first user equipment. And, sending the second user equipment information and/or the service information of the second user equipment to the second base station accessed by the second user equipment. Therefore, the first base station and the second base station can determine user equipments for local communication and perform services for local communication.
  • the gateway can respectively send local communication instructions to the first base station and the second base station through a user equipment dedicated transmission channel, instead of sending user equipment information and service information. Therefore, the first base station and the second base station can determine the information of the user equipment performing local communication according to the user equipment dedicated transmission channel. And, the first base station and the second base station may determine all services performed by the first user equipment and the second user equipment as services performed in a local communication manner.
  • the gateway may only send the first user equipment information to the first base station, and send the second user equipment information to the second base station without sending service information.
  • the first base station and the second base station may determine all services performed by the first user equipment and the second user equipment as services performed in a local communication manner.
  • the gateway may send the service information of the first user equipment to the first base station through the user equipment dedicated transmission channel, and send the service information of the second user equipment to the second base station. Therefore, the first base station and the second base station can determine the user equipment performing local communication according to the user equipment dedicated transmission channel. And, according to the received service information, determine the service for local communication.
  • the gateway may forward the received second indication information to the first base station and the second base station respectively. Therefore, the first base station and the second base station can determine the user equipment performing local communication and the corresponding service according to the second indication information.
  • Radio Bearer Identifier Identifier
  • LCI Logical Channel Identifier
  • the gateway may also send data transmission address information to the first base station and the second base station respectively.
  • the data transmission address information is used by the first base station and the second base station to respectively establish local transmission channels with the gateway. Therefore, the service data between the first user equipment and the second user equipment can be transmitted through the local transmission channel instead of passing through the core network.
  • the gateway may also send second user equipment information and/or second base station information to the first base station. Therefore, when performing cell handover, the first base station may use the second base station as a preferred target base station to perform cell handover according to the received information.
  • the gateway may also send the first user equipment information and/or the first base station information to the second base station. Therefore, when performing cell handover, the second base station may use the first base station as a preferred target base station to perform cell handover according to the received information.
  • the first base station and/or the second base station may carry a local communication indication and/or local communication service information in a handover request sent to the target base station. Therefore, the target base station can determine the user equipment performing local communication and the service performing local communication. At the same time, the transmission channel for local transmission with the gateway can be switched from the first base station and/or the second base station to the target base station.
  • the first base station and/or the second base station may also send fourth indication information to the core network device.
  • the fourth indication information may be used to notify the first user equipment and/or the second user equipment to maintain local communication after cell switching.
  • the gateway determines that the first user equipment and the second user equipment respectively access the same base station. Then, it may be determined that the service data path between the first user equipment and the second user equipment includes: a base station accessed by the first user equipment and the second user equipment.
  • the gateway may send the first user equipment information, and/or the service information of the first user equipment, and the second user equipment information, and/or the service information of the second user equipment to the base station. Therefore, the base station can determine two user equipments performing local communication, and services of the two user equipments performing local communication.
  • the base station may also send third indication information to the first user equipment and the second user equipment.
  • the third indication information is used to indicate that the first user equipment communicates directly with the second user equipment. It should be noted that yes, at this moment, the first user equipment and the second user equipment may still maintain a connection with the base station.
  • the transmission quality of the direct communication link between the first user equipment and the second user equipment is difficult to support direct communication, it can quickly switch to the transmission link with the base station, and perform local communication through the base station.
  • the access network device may send the first indication information to the core network device, to indicate that the first user equipment is located in the first customer premises network CPN.
  • the core network device may send and receive second indication information to the access network device according to the first indication information, so as to instruct the first user equipment to perform local communication in the first CPN.
  • FIG. 3 is a flow chart of another communication method provided by the embodiment of the present application. As shown in Figure 3, the above communication method may include:
  • Step 201 the access network device sends first indication information to the core network device to indicate that the first user equipment is located in the first customer premises network CPN.
  • Step 202 the core network device receives the first indication information sent by the access network device, and pages the corresponding second user equipment.
  • Step 203 the core network device receives a service response message sent by the second user equipment, and the service response message includes a CNP identifier corresponding to the second user equipment.
  • Step 204 the core network device determines that the second user equipment is located in the first CPN according to the CPN identifier, and sends second indication information to the access network device, instructing the first user equipment to perform local communication in the first CPN.
  • Step 205 the gateway determines whether the base stations accessed by the first user equipment and the second user equipment are the same in response to the second indication information. If they are the same, go to step 206; otherwise, go to step 207.
  • Step 206 the gateway determines that the service data path between the first user equipment and the second user equipment includes: the gateway, the first base station accessed by the first user equipment, and the second base station accessed by the second user equipment.
  • the first user equipment and the second user equipment may upload the service data to the respective accessed base stations when performing service data communication , and uploaded by the base station to the gateway. Then, the gateway can directly deliver the received service data to the base station of the peer user equipment without going through the core network.
  • the data transmission path can be shortened.
  • the gateway determines that the service data path between the first user equipment and the second user equipment includes: the base station accessed by the first user equipment and the second user equipment.
  • the first user equipment and the second user equipment may send service data to the accessed base station when communicating service data , and furthermore, the base station may directly send the service data to the peer user equipment without going through the gateway and the core network. Therefore, the data transmission path between user equipments can be greatly shortened, the transmission delay can be effectively reduced, and the communication efficiency can be improved.
  • the base station may also send third indication information to the first user equipment and the second user equipment.
  • the third indication information is used to indicate that the first user equipment communicates directly with the second user equipment.
  • a direct communication interface PC5 path may be established between the first user equipment and the second user equipment to implement direct communication. Therefore, the first user equipment and the second user equipment can directly send service data to the peer user equipment through the direct data connection path.
  • the technical solution provided by the embodiment of the present application can further shorten the data transmission path between user equipment when the base stations accessed by the first user equipment and the second user equipment are the same, Therefore, the communication delay can be effectively reduced and the communication efficiency can be improved.
  • FIG. 4 is a schematic structural diagram of a communication device provided by an embodiment of the present application.
  • the communication device provided in the embodiment of the present application may include: a first sending module 41 and a first receiving module 42 .
  • the first sending module 41 is configured to send first indication information to the core network equipment, where the first indication information is used to indicate that the first user equipment is located in the first customer premises network CPN.
  • the first receiving module 42 is configured to receive second indication information, where the second indication information is used to instruct the first user equipment to perform local communication in the first CPN.
  • the second indication information includes: first user equipment information and second user equipment information that perform local communication in the first CPN; and/or, the second user equipment that performs local communication in the first CPN Service information of a user equipment and service information of a second user equipment.
  • the first user equipment information and the second user equipment information include a combination of one or more of the following: transport layer information, interface protocol identifier, and user equipment identifier.
  • the first sending module 41 is also configured to send the first user equipment information and/or the service information of the first user equipment to the first base station accessed by the first user equipment;
  • the user equipment information and/or the service information of the second user equipment are sent to the second base station accessed by the second user equipment.
  • the first sending module 41 is also used to send data transmission address information to the first base station and the second base station respectively, and the data transmission address information is used for the first base station and the second base station to respectively establish communication with the gateway. local transmission channel.
  • the first sending module 41 is also configured to send the second user equipment information and/or the second base station information to the first base station; and send the first user equipment information and/or the second base station information to the second base station A base station information.
  • the first sending module 41 is further configured to send third indication information to the first user equipment and the second user equipment, and the third indication information is used to instruct the first user equipment to communicate directly with the second user equipment .
  • the first sending module 41 is further configured to send a handover request message to the target cell, where the handover request message carries a local communication instruction and/or service information of the local communication.
  • the first sending module 41 is also used to send fourth indication information to the core network equipment, and the fourth indication information is used to notify the first user equipment and/or the second user equipment to maintain local communication.
  • FIG. 5 is a schematic structural diagram of another communication device provided by an embodiment of the present application.
  • the communication device provided in the embodiment of the present application may include: a second receiving module 51 and a second sending module 52 .
  • the second receiving module 51 is configured to receive first indication information sent by the access network device, where the first indication information is used to indicate that the first user equipment is located in the first customer premises network CPN.
  • the second sending module 52 is configured to send second indication information to the access network device, where the second indication information is used to instruct the first user equipment to perform local communication in the first CPN.
  • the second receiving module 51 is also specifically configured to receive fourth indication information sent by the base station, the fourth indication information is used to notify the first user equipment and/or the second user equipment to maintain local communication.
  • Fig. 6 is a schematic diagram of an electronic device provided by an embodiment of the present application.
  • the above-mentioned electronic device may include at least one processor; and at least one memory connected to the above-mentioned processor in communication, wherein:
  • the program instruction executed by the processor, the processor calling the program instruction can execute the communication method provided by the embodiment of the present application.
  • the above-mentioned electronic device may be a communication device, and this embodiment does not limit the specific form of the above-mentioned electronic device.
  • FIG. 6 shows a block diagram of an exemplary electronic device suitable for implementing embodiments of the present application.
  • the electronic device shown in FIG. 6 is only an example, and should not limit the functions and scope of use of the embodiment of the present application.
  • the electronic device takes the form of a general-purpose computing device.
  • Components of the electronic device may include, but are not limited to: one or more processors 410, memory 430, communication interface 420, and communication bus 440 connecting different system components (including memory 430 and processor 410).
  • Communication bus 440 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, an accelerated graphics port, a processor, or a local bus using any of a variety of bus structures.
  • these architectures include but are not limited to Industry Standard Architecture (Industry Standard Architecture; hereinafter referred to as: ISA) bus, Micro Channel Architecture (Micro Channel Architecture; hereinafter referred to as: MAC) bus, enhanced ISA bus, video electronics Standards Association (Video Electronics Standards Association; hereinafter referred to as: VESA) local bus and Peripheral Component Interconnection (hereinafter referred to as: PCI) bus.
  • Electronic devices typically include a variety of computer system readable media. These media can be any available media that can be accessed by the electronic device and include both volatile and nonvolatile media, removable and non-removable media.
  • the memory 430 may include a computer system-readable medium in the form of a volatile memory, such as a random access memory (Random Access Memory; RAM for short) and/or a cache memory.
  • the electronic device may further include other removable/non-removable, volatile/nonvolatile computer system storage media.
  • a disk drive for reading and writing to a removable nonvolatile disk such as a "floppy disk”
  • a disk drive for a removable nonvolatile disk such as a CD-ROM (Compact Disc Read Only Memory; hereinafter referred to as: CD-ROM), Digital Video Disc Read Only Memory (hereinafter referred to as: DVD-ROM) or other optical media).
  • CD-ROM Compact Disc Read Only Memory
  • DVD-ROM Digital Video Disc Read Only Memory
  • each drive may be connected to communication bus 440 through one or more data media interfaces.
  • the memory 430 may include at least one program product having a set (for example, at least one) of program modules configured to perform the functions of the various embodiments of the present application.
  • a program/utility having a set (at least one) of program modules may be stored in memory 430, such program modules including - but not limited to - an operating system, one or more application programs, other program modules, and program data , each or some combination of these examples may include implementations of network environments.
  • the program modules generally perform the functions and/or methods in the embodiments described herein.
  • the electronic device can also communicate with one or more external devices (e.g., keyboards, pointing devices, displays, etc.), and with one or more devices that enable a user to interact with the electronic device, and/or communicate with one or more Any device (eg, network card, modem, etc.) capable of communicating with one or more other computing devices communicates. Such communication may occur through communication interface 420 .
  • external devices e.g., keyboards, pointing devices, displays, etc.
  • Any device eg, network card, modem, etc.
  • the electronic device can also communicate with one or more networks (such as a local area network (Local Area Network; hereinafter referred to as: LAN), a wide area network (Wide Area Network; hereinafter referred to as: WAN) and/or or a public network, such as the Internet), the above-mentioned network adapter can communicate with other modules of the electronic device through the communication bus 440 .
  • networks such as a local area network (Local Area Network; hereinafter referred to as: LAN), a wide area network (Wide Area Network; hereinafter referred to as: WAN) and/or or a public network, such as the Internet
  • RAID Redundant Arrays of Independent Drives
  • the processor 410 executes various functional applications and data processing by running the programs stored in the memory 430, for example, implementing the communication method provided by the embodiment of the present application.
  • An embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium stores computer instructions, and the computer instructions cause the computer to execute the communication method provided in the embodiment of the present application.
  • the computer readable medium may be a computer readable signal medium or a computer readable storage medium.
  • a computer readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination thereof.
  • a computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.
  • a computer readable signal medium may include a data signal carrying computer readable program code in baseband or as part of a carrier wave. Such propagated data signals may take many forms, including - but not limited to - electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • a computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, which can send, propagate, or transmit a program for use by or in conjunction with an instruction execution system, apparatus, or device. .
  • Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including - but not limited to - wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
  • Computer program code for performing the operations of the present application may be written in one or more programming languages or combinations thereof, including object-oriented programming languages—such as Java, Smalltalk, C++, and conventional Procedural Programming Language - such as "C" or a similar programming language.
  • the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server.
  • the remote computer may be connected to the user computer through any kind of network, including a Local Area Network (hereinafter referred to as LAN) or a Wide Area Network (hereinafter referred to as WAN), or it may Connect to an external computer (for example via the Internet using an Internet Service Provider).
  • LAN Local Area Network
  • WAN Wide Area Network
  • first and second are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features.
  • the features defined as “first” and “second” may explicitly or implicitly include at least one of these features.
  • “plurality” means at least two, such as two, three, etc., unless otherwise specifically defined.
  • terminals involved in the embodiments of the present application may include, but are not limited to, personal computers (Personal Computer; hereinafter referred to as: PC), personal digital assistants (Personal Digital Assistant; hereinafter referred to as: PDA), wireless handheld devices, tablet Computer (Tablet Computer), mobile phone, MP3 player, MP4 player, etc.
  • PC Personal Computer
  • PDA Personal Digital Assistant
  • Tablet Computer Tablet Computer
  • mobile phone MP3 player, MP4 player, etc.
  • the disclosed systems, devices and methods may be implemented in other ways.
  • the device embodiments described above are only illustrative.
  • the division of the units is only a logical function division. In actual implementation, there may be other division methods.
  • multiple units or components can be combined Or it can be integrated into another system, or some features can be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of devices or units may be in electrical, mechanical or other forms.
  • each functional unit in each embodiment of the present application may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware, or in the form of hardware plus software functional units.

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Abstract

本申请提出了一种通信方法、电子设备和存储介质，涉及通信技术领域。其中，上述通信方法包括：接入网设备向核心网设备发送第一指示信息，用以指示第一用户设备位于第一用户驻地网络CPN中。核心网设备根据第一指示信息，向接入网设备发送接收第二指示信息，用以指示第一用户设备在第一CPN中进行本地通信。通过上述技术方案，可缩短室内通信场景中，用户设备间的数据传输路径，降低通信时延，提高通信效率。

Description

通信方法、电子设备和存储介质
本申请要求于2021年8月4日提交中国专利局、申请号为202110889555.6、申请名称为“通信方法、电子设备和存储介质”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及通信技术领域，尤其涉及一种通信方法、电子设备和存储介质。
背景技术
在楼宇、厂房等室内通信场景中，用户设备间进行通信时，需要先接入用户驻地网络(Customer Premises Network，CPN)，然后再接入核心网。其中，CPN网络中的接入网设备主要包括室内基站以及住宅网关。也就是说，建立业务传输链路之后，用户设备需要依次通过室内基站、住宅网关，将业务数据上传核心网，再由核心网元逐级下发至对端的用户设备。传输路径较长，尤其是当两个用户设备对应同一个室内基站，或者对应同一个住宅网关时，不必要的传输路径较多，通信效率不高，时延较大。
发明内容
本申请实施例提供了一种通信方法、电子设备和存储介质，用以在室内通信场景中，缩短用户设备间的数据传输路径，降低通信时延，提高通信效率。需要说明的是，本申请实施例可也适用于室外小基站覆盖的通信场景中。
第一方面，本申请实施例提供一种通信方法，所述方法应用于第一用户设备接入的接入网设备，所述方法包括：向核心网设备发送第一指示信息，所述第一指示信息用于指示所述第一用户设备位于第一用户驻地网络CPN中；接收第二指示信息，所述第二指示信息用于指示所述第一用户设备在所述第一CPN中进行本地通信。
其中一种可能的实现方式中，所述第二指示信息包括：在所述第一CPN中进行本地通信的第一用户设备信息以及第二用户设备信息；和/或，在所述第一CPN中进行本地通信的第一用户设备的业务信息以及第二用户设备的业务信息。
其中一种可能的实现方式中，所述第一用户设备信息以及所述第二用户设备信息包括以下中的一项或多项的组合：传输层信息、接口协议标识、用户设备的标识。
其中一种可能的实现方式中，所述接入网设备为网关；所述方法还包括：将所述第一用户设备信息和/或所述第一用户设备的业务信息发送给所述第一用户设备接入的第一基站；以及，将所述第二用户设备信息和/或所述第二用户设备的业务信息发送给所述第二用户设备接入的第二基站。
其中一种可能的实现方式中，所述方法还包括：分别向所述第一基站和所述第二基站发送数据传输地址信息，所述数据传输地址信息用于所述第一基站和所述第二基站分别建 立与所述网关之间的本地传输通道。
其中一种可能的实现方式中，所述方法还包括：向所述第一基站发送所述第二用户设备信息和/或第二基站信息；以及，向所述第二基站发送所述第一用户设备信息和/或第一基站信息。
其中一种可能的实现方式中，所述接入网设备为基站；所述方法还包括：向所述第一用户设备和所述第二用户设备发送第三指示信息，所述第三指示信息用于指示所述第一用户设备与所述第二用户设备直接通信。
其中一种可能的实现方式中，所述方法还包括：向目标小区发送切换请求消息，所述切换请求消息中携带本地通信指示和/或本地通信的业务信息。
其中一种可能的实现方式中，所述方法还包括：向所述核心网设备发送第四指示信息，所述第四指示信息用于通知所述第一用户设备和/或所述第二用户设备在切换小区后保持本地通信。
第二方面，本申请实施例提供一种通信方法，所述方法应用于核心网设备，包括：接收接入网设备发送的第一指示信息，所述第一指示信息用于指示所述第一用户设备位于第一用户驻地网络CPN中；向所述接入网设备发送第二指示信息，所述第二指示信息用于指示所述第一用户设备在所述第一CPN中进行本地通信。
其中一种可能的实现方式中，所述接入网设备为基站；所述方法还包括：接收所述基站发送的第四指示信息，所述第四指示信息用于通知所述第一用户设备和/或第二用户设备在切换小区后保持本地通信。
第三方面，本申请实施例提供一种通信装置，所述装置包括：第一发送模块，用于向核心网设备发送第一指示信息，所述第一指示信息用于指示所述第一用户设备位于第一用户驻地网络CPN中；第一接收模块，用于接收第二指示信息，所述第二指示信息用于指示所述第一用户设备在所述第一CPN中进行本地通信。
第四方面，本申请实施例提供一种通信装置，所述装置包括：第二接收模块，用于接收接入网设备发送的第一指示信息，所述第一指示信息用于指示所述第一用户设备位于第一用户驻地网络CPN中；第二发送模块，用于向所述接入网设备发送第二指示信息，所述第二指示信息用于指示所述第一用户设备在所述第一CPN中进行本地通信。
第五方面，本申请实施例提供一种电子设备，包括：至少一个处理器；以及与所述处理器通信连接的至少一个存储器，其中：所述存储器存储有可被所述处理器执行的程序指令，所述处理器调用所述程序指令能够执行如第一方面所述的方法。
第六方面，本申请实施例提供一种电子设备，包括：至少一个处理器；以及与所述处理器通信连接的至少一个存储器，其中：所述存储器存储有可被所述处理器执行的程序指令，所述处理器调用所述程序指令能够执行如第二方面所述的方法。
第七方面，本申请实施例提供一种计算机可读存储介质，所述计算机可读存储介质存储计算机指令，所述计算机指令使所述计算机执行如第一方面和第二方面所述的方法。
以上技术方案中，接入网设备可向核心网设备发送第一指示信息，用以指示第一用户设备位于第一用户驻地网络CPN中。核心网设备可根据第一指示信息，向接入网设备发送接收第二指示信息，用以指示第一用户设备在第一CPN中进行本地通信。通过上述技术方案，可缩短室内通信场景中，用户设备间的数据传输路径，降低通信时延，提高通信效率。
附图说明
为了更清楚地说明本申请实施例的技术方案，下面将对实施例中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本申请的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其它的附图。
图1为本申请实施例提供的一种通信方法的流程图；
图2为本申请实施例提供的另一种通信方法的流程图；
图3为本申请实施例提供的另一种通信方法的流程图；
图4为本申请实施例提供的一种通信装置的结构示意图；
图5为本申请实施例提供的另一种通信装置的结构示意图；
图6为本申请实施例提供的一种电子设备的示意图。
具体实施方式
应理解，本申请中涉及的“第一”、“第二”等词汇，仅用于区分描述的目的，而不能理解为指示或暗示相对重要性，也不能理解为指示或暗示顺序。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。例如包含了一系列步骤或单元的过程、方法、系统、产品或设备没有限定于已列出的步骤或单元，而是可选地还包括没有列出的步骤或单元，或可选地还包括对于这些过程、方法、产品或设备固有的其他步骤或单元。
在本文中提及“实施例”意味着，结合实施例描述的特定特征、结构或特性可以包含在本申请的至少一个实施例中。在说明书中的各个位置出现该短语并不一定均是指相同的实施例，也不是与其它实施例互斥的独立的或备选的实施例。本领域技术人员显式地和隐式地理解的是，本文所描述的实施例可以与其它实施例相结合。
首先，对本申请实施例中涉及的部分名词进行解释，以便于本领域技术人员理解。
1、用户设备(user equipment，UE)。本申请实施例中用户设备是一种具有无线收发功能的设备，可以称为终端(terminal)、终端设备、移动台(mobile station，MS)、移动终端(mobile terminal，MT)、接入终端设备、车载终端设备、工业控制终端设备、UE单元、UE站、移动站、远方站、远程终端设备、移动设备、UE终端设备、无线通信设备、UE代理或UE装置等。用户设备可以是固定的或者移动的。例如，用户设备可以是手机(mobile phone)、平板电脑(pad)、台式机、笔记本电脑、一体机、车载终端、虚拟现实(virtual reality，VR)终端设备、增强现实(augmented reality，AR)终端设备、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、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、个人数字助理(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处理设备、可穿戴设备、未来移动通信网络中的终端设备或者未来演进的公共移动陆地网络(public land mobile network，PLMN)中的终端设备等。在本申请的一些实施例中，用户设备还可以是具有收发功能的装置，例如芯片系统。其中，芯片系统可以包括芯片，还可以包括其它分立器件。
需要说明的是，用户设备可以支持至少一种无线通信技术，例如：窄带物联网系统(Narrow Band-internet of Things，NB-IoT)、全球移动通信系统(Global System for Mobile Communications，GSM)、增强型数据速率演进系统(Enhanced Data Rate for GSMEvolution,EDGE)、宽带码分多址系统(Wideband Code Division Multiple Access，WCDMA)、码分多址2000系统(Code Division Multiple Access，CDMA2000)、时分同步码分多址系统(Time division-Synchronization Code Division Multiple Access,TDSCDMA)、长期演进系统(Long Term evolution，LTE)、第五代移动通信系统或者可能的第六代、第七移动通信系统、车载无线短距通信系统以及未来移动通信系统等。
2、基站(Base Station，BS)。本申请实施例中的基站，也可称为基站设备，是一种部署在无线接入网(Radio Access Network，RAN)用以提供无线通信功能的装置。例如在2G网络中提供基站功能的设备包括基地无线收发站(Base Transceiver Station，BTS)，3G网络中提供基站功能的设备包括节点B(NodeB)，在4G网络中提供基站功能的设备包括演进的节点B(evolved NodeB，eNB)，在无线局域网络(Wireless Local Area Networks，WLAN)中，提供基站功能的设备为接入点(Access Point，简称AP)，5G新无线(New Radio，NR)中的提供基站功能的设备gNB，以及继续演进的节点B(ng-eNB),其中gNB和终端之间采用NR技术进行通信，ng-eNB和终端之间采用陆地无线接入网(Evolved Universal Terrestrial Radio Access，E-UTRA)技术进行通信，gNB和ng-eNB均可连接到5G核心网。本申请实施例中的基站还包含在未来新的通信系统中提供基站功能的设备等。
在本申请实施例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。
为了更好的理解本申请的技术方案，下面结合附图对本申请实施例进行详细描述。
应当明确，所描述的实施例仅仅是本申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其它实施例，都属于本申请保护的范围。
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”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。
图1为本申请实施例提供的一种通信方法的流程图。如图1所示，上述通信方法可以包括：
步骤101，接入网设备向核心网设备发送第一指示信息，以指示第一用户设备位于第一用户驻地网络CPN中。
以室内通信场景为例，图2给出了数据通信链路的建立流程图。
如图2所示，第一用户设备与任意用户设备进行数据通信之前，可向接入网设备发送业务请求消息，然后，由接入网设备将业务请求消息发送给核心网设备。
本申请实施例中，接入网设备可包括基站以及网关。具体的，首先，第一用户设备可向所接入的基站发送业务请求消息。第一用户设备接入的基站可以是任意一种室内基站。示例性的，可以是楼宇无线接入站(Premises Radio Access Station，PRAS)。
然后，基站在接收到业务请求消息之后，可将业务请求消息转发至对应的网关。本申请实施例中，第一用户设备对应的网关可以是室内通信场景所涉及的任意一种住宅网关，示例性的，可以是演进型住宅网关(Evolved Residential Gateway，eRG)。
最后，可由网关将接收到的业务请求消息发送给核心网设备。
进一步的，在室内通信场景中，用户设备接入不同的接入网设备时，其所属的用户驻地网络(Customer Premises Network，CPN)也不相同。
基于上述说明，为标识第一用户设备所在的CPN，本申请实施例可在业务请求消息中添加第一指示信息。第一指示信息用于指示第一用户设备位于第一CPN。第一指示信息可以是CPN指示，或本地通信指示。第一指示信息还可以是能够唯一标识CPN的任意一种信息，示例性的，可以是接入网设备标识，还可以是CPN标识，本申请对此不作限制。
一种可能的实现方式中，可由第一用户设备在业务请求消息中添加第一指示信息。具体的，第一用户设备可接收基站发送的小区广播。如果第一用户设备根据小区广播确定自身接入CPN网络，那么，可根据小区广播，将第一指示信息添加在业务请求消息中。或者，第一用户设备在发送给核心网设备的其他非接入层(Non Access Stratum，NAS)消息中添加第一指示信息。
另一种可能的实现方式中，可由第一用户设备接入的基站在包含业务请求消息的信息中添加第一指示信息。具体的，第一用户设备接入的基站可在接收到业务请求消息后，将第一指示信息添加在包含业务请求消息的信息中。其中，包含业务请求消息的信息可以是N2接口消息。
再一种可能的实现方式中，可由第一用户设备对应的网关在包含业务请求消息的信息中添加第一指示信息。具体的，网关在接收到业务请求消息后，可将第一指示信息添加在包含业务请求消息的信息中。
步骤102，核心网设备接收接入网设备发送的第一指示信息。
本申请实施例中，核心网设备可接收接入网设备发送的请求消息，并获取其中携带的第一指示信息。从而，核心网设备可根据第一指示信息，确定第一用户设备位于第一 CPN中。
进一步的，核心网设备还可根据第一用户设备的业务请求消息，寻呼对应的第二用户设备。
如图2所示，核心网设备在接收到业务请求消息之后，可根据业务请求消息确定对应的第二用户设备。然后，可向第二用户设备发送寻呼消息，以触发第二用户设备的业务响应。
第二用户设备在接收到核心网设备发送的寻呼消息之后，与第一用户设备类似的，第二用户设备可通过自身接入的基站，向第二用户设备对应的网关发送业务响应消息。然后，第二用户设备对应的网关可将业务响应消息发送给核心网设备。从而，核心网设备可根据业务响应消息携带的接入网设备标识或CPN标识，确定第二用户设备所在的CPN。
本申请实施例中，核心网设备例如可以是用户面功能(User Plane Function，UPF)网元、接入和移动性管理功能(Access and Mobility Management Function，AMF)网元、会话管理功能(Session Management Function，SMF)网元等。
步骤103，核心网设备向接入网设备发送第二指示信息，用于指示第一用户设备在第一CPN中进行本地通信。
本申请实施例中，核心网设备可确定第二用户设备所在的CPN与第一用户设备所在的CPN是否相同。在确定第二用户设备也位于第一CPN之后，可认为第一用户设备与第二用户设备接入相同的网关。此时，核心网设备可向网关发送第二指示信息。第二指示信息可指示第一用户设备在第一CPN中进行本地通信。
本申请实施例中，第二指示信息可包括：在第一CPN中进行本地通信的第一用户设备信息以及第二用户设备信息，和/或，在第一CPN中进行本地通信的第一用户设备的业务信息以及第二用户设备的业务信息。其中，第一用户设备信息以及第二用户设备信息可以包括但不限于：传输层信息、用户设备接口标识以及用户设备的标识等。
其中，用户设备接口标识包括：NG接口应用协议标识(NG Application Protocol ID，NGAP ID)。可以是网络协议NG接口应用协议标识(Action Message Format UE NG Application Protocol ID，AMF UE NGAP ID)，或者无线接入网NG接口应用协议标识(Wireless Access Network UE NG Application Protocol ID，RAN UE NGAP ID)。
传输层信息可以是用户面传输层信息(UP Transport Layer Information，UP TLI)。还可以是，GPRS隧道协议(GPRS Tunneling Protocol，GPRS GTP)信息，包括传输层地址、隧道端标识(Tunnel Endpoint Identifier，GTP-TEID)、端口号等。
用户设备的标识可以是小区无线网络临时标识(Cell-Radio Network Temporary Identifier，C-RNTI)。还可以是，5G全局唯一的临时UE标识(5G Globally Unique Temporary UE Identity，5G-GUT I)、5G临时移动签约标识(5G S-Temporary Mobile Subscription Identifier，5G-S-TMSI)、签约永久标识(Subscription Permanent  Identifier，SUPI)等。
业务信息可以包括用户设备的协议数据单元会话标识(Protocol Data Unit Session Identifier，PDU Session ID)，或者一个或多个流标识(Flow Identifier，Flow ID)等。
步骤104，接入网设备接收第二指示信息，确定第一用户设备在第一CPN中进行本地通信。
本申请实施例中，网关在接收到核心网设备发送的第二指示信息后，可确定第一用户设备在第一CPN中进行本地通信。此后，网关可根据第二指示信息，分别确定第一用户设备和第二用户设备接入的基站。然后，可根据第一用户设备和第二用户设备接入的基站，确定第一用户设备在第一CPN中的本地传输链路。
一种可能的实现方式中，网关确定第一用户设备与第二用户设备分别接入不同的基站。那么，可确定第一用户设备和第二用户设备之间的业务数据路径包括：网关、第一基站以及第二基站。
此时，网关可分别向第一用户设备接入的第一基站以及第二用户设备接入的第二基站发送用户设备信息以及业务信息。对此，本申请实施例可提供几种可能的实现方式。
方式一
网关可将第一用户设备信息，和/或第一用户设备的业务信息，发送给第一用户设备接入的第一基站。以及，将第二用户设备信息，和/或第二用户设备的业务信息发送给第二用户设备接入的第二基站。从而，第一基站和第二基站可确定本地通信的用户设备以及执行本地通信的业务。
方式二
网关可通过用户设备专用传输通道，分别向第一基站和第二基站发送本地通信指示，而不再发送用户设备信息和业务信息。从而，第一基站和第二基站可根据用户设备专用传输通道，确定执行本地通信的用户设备信息。以及，第一基站和第二基站可将第一用户设备和第二用户设备执行的全部业务，确定为以本地通信方式执行的业务。
方式三
网关可仅将第一用户设备信息发送给第一基站，以及，将第二用户设备信息发送给第二基站，而不再发送业务信息。第一基站和第二基站可将第一用户设备和第二用户设备执行的全部业务，确定为以本地通信方式执行的业务。
方式四
网关可通过用户设备专用传输通道，向第一基站发送第一用户设备的业务信息，以及，向第二基站发送第二用户设备的业务信息。从而，第一基站和第二基站可根据用户设备专用传输通道，确定执行本地通信的用户设备。以及，根据接收到的业务信息，确定进行本地通信的业务。
方式五
网关可以将接收到的第二指示信息分别转发给第一基站和第二基站。从而，第一基站和第二基站可根据第二指示信息，确定进行本地通信的用户设备和对应的业务。
需要说明的是，上述用户设备的业务信息可以通过关联的无线承载标识(Radio Bearer Identifier，RBI)来标识，或者，还可以通过逻辑信道标识(Logical Channel Identifier，LCI)来标识。
进一步的，网关还可分别向第一基站和第二基站发送数据传输地址信息。数据传输地址信息用于第一基站和第二基站分别建立与网关之间的本地传输通道。从而，第一用户设备和第二用户设备之间的业务数据可通过本地传通道进行传输，而不再经过核心网。
考虑到移动通信场景下，第一用户设备和第二用户设备的小区切换，网关还可向第一基站发送第二用户设备信息，和/或第二基站信息。从而，当执行小区切换时，第一基站可根据接收到的信息，将第二基站作为优选的目标基站执行小区切换。相应的，网关还可向第二基站发送第一用户设备信息，和/或第一基站信息。从而，当执行小区切换时，第二基站可根据接收到的信息，将第一基站作为优选的目标基站执行小区切换。
需要说明的是，在执行小区切换时，第一基站和/或第二基站可在发送给目标基站的切换请求中携带本地通信指示和/或本地通信的业务信息。从而，可使目标基站确定执行本地通信的用户设备，以及执行本地通信的业务。同时，可将与网关进行本地传输的传输通道从第一基站和/或第二基站切换到目标基站。
小区切换完成后，第一基站和/或第二基站还可向核心网设备发送第四指示信息。第四指示信息可用于通知第一用户设备和/或第二用户设备在切换小区后保持本地通信。
另一种可能的实现方式中，网关确定第一用户设备与第二用户设备分别接入相同的基站。那么，可确定第一用户设备和第二用户设备之间的业务数据路径包括：第一用户设备和第二用户设备接入的基站。
此时，网关可向该基站发送第一用户设备信息，和/或第一用户设备的业务信息，以及，第二用户设备信息，和/或第二用户设备的业务信息。从而，基站可确定执行本地通信的两个用户设备，以及两个用户设备执行本地通信的业务。
进一步的，基站在接收到上述信息之后，还可向第一用户设备和第二用户设备发送第三指示信息。第三指示信息用于指示第一用户设备与第二用户设备直接通信。需要说明是的，此时第一用户设备与第二用户设备仍可保持与基站的连接。当第一用户设备与第二用户设备间直接通信链路的传输质量难以支持直接通信时，可以快速切换至与基站之间的传输链路，通过基站进行本地通信。
以上技术方案中，接入网设备可向核心网设备发送第一指示信息，用以指示第一用户设备位于第一用户驻地网络CPN中。核心网设备可根据第一指示信息，向接入网设备发送接收第二指示信息，用以指示第一用户设备在第一CPN中进行本地通信。通过上述技术方案，可缩短用户设备间的数据传输路径，降低通信时延，提高通信效率。
图3为本申请实施例提供的另一种通信方法的流程图。如图3所示，上述通信方法可以包括：
步骤201，接入网设备向核心网设备发送第一指示信息，以指示第一用户设备位于第一用户驻地网络CPN中。
步骤202，核心网设备接收接入网设备发送的第一指示信息，寻呼对应的第二用户设备。
步骤203，核心网设备接收第二用户设备发送的业务响应消息，业务响应消息中包含第二用户设备对应的CNP标识。
步骤204，核心网设备根据CPN标识确定第二用户设备位于第一CPN中，向接入网设备发送第二指示信息，指示第一用户设备在第一CPN进行本地通信。
步骤205，网关响应于第二指示信息，确定第一用户设备和第二用户设备接入的基站是否相同。如果相同，则执行步骤206；否则，执行步骤207。
步骤206，网关确定第一用户设备和第二用户设备之间的业务数据路径包括：网关、第一用户设备接入的第一基站以及第二用户设备接入的第二基站。
本申请实施例中，如果第一用户设备和第二用户设备接入的基站不同，那么，第一用户设备和第二用户设备在进行业务数据通信时，可将业务数据上传各自接入的基站，并由基站上传至网关。然后，网关可不经核心网，直接将接收到的业务数据下发至对端用户设备的基站。从而，可缩短数据传输路径。
步骤207，网关确定第一用户设备和第二用户设备之间的业务数据路径包括：第一用户设备和第二用户设备接入的基站。
本申请实施例中，如果第一用户设备和第二用户设备接入的基站相同，那么，第一用户设备和第二用户设备在进行业务数据通信时，可将业务数据发送给接入的基站，进而，该基站可不经过网关以及核心网，而是直接将业务数据发送给对端用户设备。由此，可大大缩短用户设备间的数据传输路径，可有效减小传输时延，提高通信效率。
进一步的，基站还可向第一用户设备和第二用户设备发送第三指示信息。第三指示信息用于指示第一用户设备与第二用户设备直接通信。示例性的，第一用户设备与第二用户设备之间可建立直连通信接口PC5路径，实现直接通信。从而，第一用户设备和第二用户设备可通过数据直连路径，直接将业务数据发送给对端用户设备。
在室内通信、室外小基站覆盖等通信场景下，本申请实施例提供的技术方案可在第一用户设备和第二用户设备接入的基站相同时，进一步地缩短用户设备间的数据传输路径，从而可以有效降低通信时延，提高通信效率。
图4为本申请实施例提供的一种通信装置的结构示意图。如图4所示，本申请实施 例提供的通信装置可以包括：第一发送模块41以及第一接收模块42。
第一发送模块41，用于向核心网设备发送第一指示信息，第一指示信息用于指示第一用户设备位于第一用户驻地网络CPN中。
第一接收模块42，用于接收第二指示信息，第二指示信息用于指示第一用户设备在第一CPN中进行本地通信。
在具体的实现过程中，所述第二指示信息包括：在第一CPN中进行本地通信的第一用户设备信息以及第二用户设备信息；和/或，在第一CPN中进行本地通信的第一用户设备的业务信息以及第二用户设备的业务信息。
在具体的实现过程中，第一用户设备信息以及第二用户设备信息包括以下中的一项或多项的组合：传输层信息、接口协议标识、用户设备的标识。
在具体的实现过程中，第一发送模块41还用于，将第一用户设备信息和/或第一用户设备的业务信息发送给第一用户设备接入的第一基站；以及，将第二用户设备信息和/或第二用户设备的业务信息发送给第二用户设备接入的第二基站。
在具体的实现过程中，第一发送模块41还用于，分别向第一基站和第二基站发送数据传输地址信息，数据传输地址信息用于第一基站和第二基站分别建立与网关之间的本地传输通道。
在具体的实现过程中，第一发送模块41还用于，向第一基站发送第二用户设备信息和/或第二基站信息；以及，向第二基站发送第一用户设备信息和/或第一基站信息。
在具体的实现过程中，第一发送模块41还用于，向第一用户设备和第二用户设备发送第三指示信息，第三指示信息用于指示第一用户设备与第二用户设备直接通信。
在具体的实现过程中，第一发送模块41还用于，向目标小区发送切换请求消息，切换请求消息中携带本地通信指示和/或本地通信的业务信息。
在具体的实现过程中，第一发送模块41还用于，向核心网设备发送第四指示信息，第四指示信息用于通知第一用户设备和/或第二用户设备在切换小区后保持本地通信。
图5为本申请实施例提供的另一种通信装置的结构示意图。如图5所示，本申请实施例提供的通信装置可以包括：第二接收模块51以及第二发送模块52。
第二接收模块51，用于接收接入网设备发送的第一指示信息，第一指示信息用于指示第一用户设备位于第一用户驻地网络CPN中。
第二发送模块52，用于向接入网设备发送第二指示信息，第二指示信息用于指示第一用户设备在第一CPN中进行本地通信。
在具体的实现过程中，第二接收模块51具体还用于，接收基站发送的第四指示信息，第四指示信息用于通知第一用户设备和/或第二用户设备在切换小区后保持本地通信。
图6为本申请实施例提供的一种电子设备的示意图，如图6所示，上述电子设备可以包括至少一个处理器；以及与上述处理器通信连接的至少一个存储器，其中：存储器存储有可被处理器执行的程序指令，上述处理器调用上述程序指令能够执行本申请实施例提供的通信方法。
其中，上述电子设备可以为通信设备，本实施例对上述电子设备的具体形态不作限定。
图6示出了适于用来实现本申请实施方式的示例性电子设备的框图。图6显示的电子设备仅仅是一个示例，不应对本申请实施例的功能和使用范围带来任何限制。
如图6所示，电子设备以通用计算设备的形式表现。电子设备的组件可以包括但不限于：一个或者多个处理器410，存储器430，通信接口420，连接不同系统组件(包括存储器430和处理器410)的通信总线440。
通信总线440表示几类总线结构中的一种或多种，包括存储器总线或者存储器控制器，外围总线，图形加速端口，处理器或者使用多种总线结构中的任意总线结构的局域总线。举例来说，这些体系结构包括但不限于工业标准体系结构(Industry Standard Architecture；以下简称：ISA)总线，微通道体系结构(Micro Channel Architecture；以下简称：MAC)总线，增强型ISA总线、视频电子标准协会(Video Electronics Standards Association；以下简称：VESA)局域总线以及外围组件互连(Peripheral Component Interconnection；以下简称：PCI)总线。
电子设备典型地包括多种计算机系统可读介质。这些介质可以是任何能够被电子设备访问的可用介质，包括易失性和非易失性介质，可移动的和不可移动的介质。
存储器430可以包括易失性存储器形式的计算机系统可读介质，例如随机存取存储器(Random Access Memory；以下简称：RAM)和/或高速缓存存储器。电子设备可以进一步包括其它可移动/不可移动的、易失性/非易失性计算机系统存储介质。尽管图6中未示出，可以提供用于对可移动非易失性磁盘(例如“软盘”)读写的磁盘驱动器，以及对可移动非易失性光盘(例如：光盘只读存储器(Compact Disc Read Only Memory；以下简称：CD-ROM)、数字多功能只读光盘(Digital Video Disc Read Only Memory；以下简称：DVD-ROM)或者其它光介质)读写的光盘驱动器。在这些情况下，每个驱动器可以通过一个或者多个数据介质接口与通信总线440相连。存储器430可以包括至少一个程序产品，该程序产品具有一组(例如至少一个)程序模块，这些程序模块被配置以执行本申请各实施例的功能。
具有一组(至少一个)程序模块的程序/实用工具，可以存储在存储器430中，这样的程序模块包括——但不限于——操作系统、一个或者多个应用程序、其它程序模块以及程序数据，这些示例中的每一个或某种组合中可能包括网络环境的实现。程序模块通常执行本申请所描述的实施例中的功能和/或方法。
电子设备也可以与一个或多个外部设备(例如键盘、指向设备、显示器等)通信，还可与一个或者多个使得用户能与该电子设备交互的设备通信，和/或与使得该电子设备 能与一个或多个其它计算设备进行通信的任何设备(例如网卡，调制解调器等等)通信。这种通信可以通过通信接口420进行。并且，电子设备还可以通过网络适配器(图6中未示出)与一个或者多个网络(例如局域网(Local Area Network；以下简称：LAN)，广域网(Wide Area Network；以下简称：WAN)和/或公共网络，例如因特网)通信，上述网络适配器可以通过通信总线440与电子设备的其它模块通信。应当明白，尽管图6中未示出，可以结合电子设备使用其它硬件和/或软件模块，包括但不限于：微代码、设备驱动器、冗余处理单元、外部磁盘驱动阵列、磁盘阵列(Redundant Arrays of Independent Drives；以下简称：RAID)系统、磁带驱动器以及数据备份存储系统等。
处理器410通过运行存储在存储器430中的程序，从而执行各种功能应用以及数据处理，例如实现本申请实施例提供的通信方法。
本申请实施例还提供一种计算机可读存储介质，上述计算机可读存储介质存储计算机指令，上述计算机指令使上述计算机执行本申请实施例提供的通信方法。
上述计算机可读存储介质可以采用一个或多个计算机可读的介质的任意组合。计算机可读介质可以是计算机可读信号介质或者计算机可读存储介质。计算机可读存储介质例如可以是——但不限于——电、磁、光、电磁、红外线、或半导体的系统、装置或器件，或者任意以上的组合。计算机可读存储介质的更具体的例子(非穷举的列表)包括：具有一个或多个导线的电连接、便携式计算机磁盘、硬盘、随机存取存储器(RAM)、只读存储器(Read Only Memory；以下简称：ROM)、可擦式可编程只读存储器(Erasable Programmable Read Only Memory；以下简称：EPROM)或闪存、光纤、便携式紧凑磁盘只读存储器(CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。在本文件中，计算机可读存储介质可以是任何包含或存储程序的有形介质，该程序可以被指令执行系统、装置或者器件使用或者与其结合使用。
计算机可读的信号介质可以包括在基带中或者作为载波一部分传播的数据信号，其中承载了计算机可读的程序代码。这种传播的数据信号可以采用多种形式，包括——但不限于——电磁信号、光信号或上述的任意合适的组合。计算机可读的信号介质还可以是计算机可读存储介质以外的任何计算机可读介质，该计算机可读介质可以发送、传播或者传输用于由指令执行系统、装置或者器件使用或者与其结合使用的程序。
计算机可读介质上包含的程序代码可以用任何适当的介质传输，包括——但不限于——无线、电线、光缆、RF等等，或者上述的任意合适的组合。
可以以一种或多种程序设计语言或其组合来编写用于执行本申请操作的计算机程序代码，所述程序设计语言包括面向对象的程序设计语言—诸如Java、Smalltalk、C++，还包括常规的过程式程序设计语言—诸如“C”语言或类似的程序设计语言。程序代码可以完全地在用户计算机上执行、部分地在用户计算机上执行、作为一个独立的软件包执行、部分在用户计算机上部分在远程计算机上执行、或者完全在远程计算机或服务器上 执行。在涉及远程计算机的情形中，远程计算机可以通过任意种类的网络——包括局域网(Local Area Network；以下简称：LAN)或广域网(Wide Area Network；以下简称：WAN)连接到用户计算机，或者，可以连接到外部计算机(例如利用因特网服务提供商来通过因特网连接)。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本申请的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不必须针对的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任一个或多个实施例或示例中以合适的方式结合。此外，在不相互矛盾的情况下，本领域的技术人员可以将本说明书中描述的不同实施例或示例以及不同实施例或示例的特征进行结合和组合。
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括至少一个该特征。在本申请的描述中，“多个”的含义是至少两个，例如两个，三个等，除非另有明确具体的限定。
流程图中或在此以其他方式描述的任何过程或方法描述可以被理解为，表示包括一个或更多个用于实现定制逻辑功能或过程的步骤的可执行指令的代码的模块、片段或部分，并且本申请的优选实施方式的范围包括另外的实现，其中可以不按所示出或讨论的顺序，包括根据所涉及的功能按基本同时的方式或按相反的顺序，来执行功能，这应被本申请的实施例所属技术领域的技术人员所理解。
需要说明的是，本申请实施例中所涉及的终端可以包括但不限于个人计算机(Personal Computer；以下简称：PC)、个人数字助理(Personal Digital Assistant；以下简称：PDA)、无线手持设备、平板电脑(Tablet Computer)、手机、MP3播放器、MP4播放器等。
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。
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。上述集成的单元既可以采用硬件的形式实现，也可以采用硬件加软件功能单元的形式实现。
以上所述仅为本申请的较佳实施例而已，并不用以限制本申请，凡在本申请的精神和原则之内，所做的任何修改、等同替换、改进等，均应包含在本申请保护的范围之内。

Claims (16)

  1. 一种通信方法，其特征在于，应用于第一用户设备接入的接入网设备，所述方法包括：
    向核心网设备发送第一指示信息，所述第一指示信息用于指示所述第一用户设备位于第一用户驻地网络CPN中；
    接收第二指示信息，所述第二指示信息用于指示所述第一用户设备在所述第一CPN中进行本地通信。
  2. 根据权利要求1所述的方法，其特征在于，所述第二指示信息包括：
    在所述第一CPN中进行本地通信的第一用户设备信息以及第二用户设备信息；和/或，
    在所述第一CPN中进行本地通信的第一用户设备的业务信息以及第二用户设备的业务信息。
  3. 根据权利要求2所述的方法，其特征在于，所述第一用户设备信息以及所述第二用户设备信息包括以下中的一项或多项的组合：
    传输层信息、接口协议标识、用户设备的标识。
  4. 根据权利要求2所述的方法，其特征在于，所述接入网设备为网关；所述方法还包括：
    将所述第一用户设备信息和/或所述第一用户设备的业务信息发送给所述第一用户设备接入的第一基站；以及，
    将所述第二用户设备信息和/或所述第二用户设备的业务信息发送给所述第二用户设备接入的第二基站。
  5. 根据权利要求4所述的方法，其特征在于，所述方法还包括：
    分别向所述第一基站和所述第二基站发送数据传输地址信息，所述数据传输地址信息用于所述第一基站和所述第二基站分别建立与所述网关之间的本地传输通道。
  6. 根据权利要求4所述的方法，其特征在于，所述方法还包括：
    向所述第一基站发送所述第二用户设备信息和/或第二基站信息；以及，
    向所述第二基站发送所述第一用户设备信息和/或第一基站信息。
  7. 根据权利要求2所述的方法，其特征在于，所述接入网设备为基站；所述方法还包括：
    向所述第一用户设备和所述第二用户设备发送第三指示信息，所述第三指示信息用于指示所述第一用户设备与所述第二用户设备直接通信。
  8. 根据权利要求7所述的方法，其特征在于，所述方法还包括：
    向目标小区发送切换请求消息，所述切换请求消息中携带本地通信指示和/或本地通信的业务信息。
  9. 根据权利要求8所述的方法，其特征在于，所述方法还包括：
    向所述核心网设备发送第四指示信息，所述第四指示信息用于通知所述第一用户设备和/或所述第二用户设备在切换小区后保持本地通信。
  10. 一种通信方法，其特征在于，所述方法应用于核心网设备，包括：
    接收接入网设备发送的第一指示信息，所述第一指示信息用于指示所述第一用户设备位于第一用户驻地网络CPN中；
    向所述接入网设备发送第二指示信息，所述第二指示信息用于指示所述第一用户设备在所述第一CPN中进行本地通信。
  11. 根据权利要求10所述的方法，其特征在于，所述接入网设备为基站；所述方法还包括：
    接收所述基站发送的第四指示信息，所述第四指示信息用于通知所述第一用户设备和/或第二用户设备在切换小区后保持本地通信。
  12. 一种通信装置，其特征在于，包括：
    第一发送模块，用于向核心网设备发送第一指示信息，所述第一指示信息用于指示所述第一用户设备位于第一用户驻地网络CPN中；
    第一接收模块，用于接收第二指示信息，所述第二指示信息用于指示所述第一用户设备在所述第一CPN中进行本地通信。
  13. 一种通信装置，其特征在于，包括：
    第二接收模块，用于接收接入网设备发送的第一指示信息，所述第一指示信息用于指示所述第一用户设备位于第一用户驻地网络CPN中；
    第二发送模块，用于向所述接入网设备发送第二指示信息，所述第二指示信息用于指示所述第一用户设备在所述第一CPN中进行本地通信。
  14. 一种电子设备，其特征在于，包括：
    至少一个处理器；以及
    与所述处理器通信连接的至少一个存储器，其中：
    所述存储器存储有程序指令，所述处理器通过调用所述程序指令执行如权利要求1至9任一项所述的方法。
  15. 一种电子设备，其特征在于，包括：
    至少一个处理器；以及
    与所述处理器通信连接的至少一个存储器，其中：
    所述存储器存储有程序指令，所述处理器通过调用所述程序指令执行如权利要求10-11任一项所述的方法。
  16. 一种计算机可读存储介质，其特征在于，所述计算机可读存储介质存储计算机指令，计算机通过执行所述计算机指令使得如权利要求1至11任一项所述的方法被执行。
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