WO2020073756A1 - 通信方法、装置、计算机可读介质及电子设备 - Google Patents
通信方法、装置、计算机可读介质及电子设备 Download PDFInfo
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- WO2020073756A1 WO2020073756A1 PCT/CN2019/104409 CN2019104409W WO2020073756A1 WO 2020073756 A1 WO2020073756 A1 WO 2020073756A1 CN 2019104409 W CN2019104409 W CN 2019104409W WO 2020073756 A1 WO2020073756 A1 WO 2020073756A1
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
- H04W4/08—User group management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
Definitions
- This application relates to the field of computers and communication technologies, and specifically to group communication.
- LTE Long Term Evolution
- LAN local area network
- the terminal can be controlled to turn on an analog access point (soft AccessPoint, softAP) to realize a LAN based on a cellular system, and then multiple terminals are tethered to implement communication, but this mode has uncontrollable problems , The constructed LAN cannot be effectively controlled, resulting in low reliability of group communication.
- softAP an analog access point
- the embodiments of the present application provide a communication method, apparatus, computer readable medium, and electronic equipment, and at least to a certain extent, effective management and control of the device group can be achieved, and the reliability of group communication is improved.
- a communication method for a wireless communication system is provided, which is applied to a network-side device.
- the method includes: receiving group data sent by a sender device through an uplink channel; and acquiring the group The target cell to which the group data needs to be sent, and the target transmission method used to send the group data to the target cell; based on the target transmission method, the group data is transmitted to the target cell through a downlink channel , For the receiving device to receive.
- a communication apparatus for a wireless communication system including: a receiving unit for receiving group data sent by a sender device through an uplink channel; and a first acquiring unit for acquiring A target cell to which the group data needs to be sent, and a target transmission method adopted to send the group data to the target cell; a transmission unit, configured to pass the group data based on the target transmission method
- the downlink channel is transmitted to the target cell for receiving by the receiver device.
- the first obtaining unit is configured to: obtain an indication message sent by the sender device; and determine the target cell and the target transmission mode according to the indication message.
- the first acquiring unit is configured to acquire the indication message sent by the sender device for different data packets to determine that the different data packets correspond to The target transmission method.
- the first acquiring unit is configured to acquire the indication message from a specified packet header of the data packet sent by the sender device.
- the Ethernet packet header of the data packet sent by the sender device is compressed before transmission, and the specified packet header includes a service data adaptation protocol (Service Data Adaptation Protocol, SDAP) header, Packet Data Convergence Protocol (PDCP) header or Radio Link Control Protocol (Radio Link Control, RLC) header.
- SDAP Service Data Adaptation Protocol
- PDCP Packet Data Convergence Protocol
- RLC Radio Link Control Protocol
- the communication apparatus for a wireless communication system further includes: a second obtaining unit, configured to obtain cell information of a cell where the user equipment is located; and a sending unit, configured to use The cell information of the cell where the user equipment is located is sent to the sender device, so that the sender device determines, according to the cell information of the cell where the user equipment is located as the receiver device, the group data needs to be sent Target cell.
- the second acquiring unit is configured to: acquire location information of the user equipment; and determine the user equipment according to the location information of the user equipment and the coverage of the cell The cell information of the cell.
- the second acquiring unit is configured to acquire cell information of the cell where the user equipment is located provided by itself.
- the second obtaining unit is configured to receive cell information reported by the user equipment.
- the first acquiring unit is configured to determine the target cell and the target transmission mode according to a bearer mode of the group data during transmission.
- the first acquiring unit is configured to: determine the data wireless bearer used by the group data during transmission; and transmit the pre-configured data to the group data during transmission
- the cell and the transmission mode corresponding to the data radio bearer used at the time are used as the target cell and the target transmission mode.
- the first acquisition unit is configured to: determine a network slice where the group data is located at the time of transmission; The cell corresponding to the network slice and the transmission mode are used as the target cell and the target transmission mode.
- the data packet header of the group data carries group information, and the group information is used by the receiver device to determine whether the group data is Data sent to itself.
- the first acquiring unit is configured to: if different types of group data use the same data wireless bearer during transmission, send the different types of group data To a target device; acquiring a target cell to which the different types of group data determined by the target device are to be sent, and a target transmission method used to send the different types of group data to the target cell.
- the target transmission mode includes: unicast, broadcast, and multicast.
- a computer readable medium on which a computer program is stored, and when the computer program is executed by a processor, the communication for the wireless communication system as described in the above embodiment is implemented method.
- an electronic device including: one or more processors; a storage device, configured to store one or more programs, when the one or more programs are When executed by multiple processors, the one or more processors are caused to implement the communication method for the wireless communication system as described in the above embodiments.
- the group communication mechanism by receiving the group data sent by the sender device through the uplink channel, and acquiring the target cell and the target transmission mode to which the group data needs to be sent, based on the target transmission mode
- the group data is transmitted to the target cell through the downlink channel, so that in a wireless communication system (such as a 5G system), the group communication mechanism can be implemented with the assistance of network-side devices (such as base stations, application servers, etc.), and can pass
- the network-side device realizes effective management and control of the built device group, and improves the reliability of group communication.
- FIG. 1 shows a schematic diagram of an exemplary system architecture to which the technical solutions of the embodiments of the present application can be applied;
- FIG. 2 schematically shows a flowchart of a communication method provided according to an embodiment of the present application
- FIG. 3 shows a schematic diagram of an application scenario of the technical solution according to an embodiment of the present application
- FIG. 4 shows a schematic diagram of a user plane protocol stack of 5G LAN according to an embodiment of the present application
- FIG. 5 schematically shows a block diagram of a communication device provided according to an embodiment of the present application
- FIG. 6 shows a schematic structural diagram of a computer system suitable for implementing the electronic device provided by the embodiment of the present application.
- Example embodiments will now be described more fully with reference to the drawings.
- the example embodiments can be implemented in various forms and should not be construed as being limited to the examples set forth herein; on the contrary, providing these embodiments makes the application more comprehensive and complete, and fully conveys the concept of the example embodiments For those skilled in the art.
- FIG. 1 shows a schematic diagram of an exemplary system architecture to which the technical solutions of the embodiments of the present application can be applied.
- the system architecture may include user equipment 101, user equipment 102, user equipment 103, and base station 104.
- the user equipment 101, the user equipment 102, and the user equipment 103 may be smartphones, tablets, portable computers, desktop computers, etc .; the user equipment 101 and the user equipment 102 are in the cell 1, and the user equipment 102 and the user equipment 103 are in the cell 2.
- the user equipment 101, the user equipment 102, and the user equipment 103 constitute a communication group.
- FIG. 1 the numbers of user equipment and base stations shown in FIG. 1 are only schematic. According to implementation needs, there may be any number of user equipments and base stations.
- the base station 104 (which may also be other network-side devices, such as an application server located at the core network or network edge) receives the group data (the group data sent by the user equipment 102 through the uplink channel) May be sent to the user equipment 101 and the user equipment 103), the target cells (ie, cell 1 and cell 2) to which the group data needs to be sent can be obtained, and the group data is sent to the target cell Target transmission mode (such as unicast, multicast or broadcast, etc.), and then the group data can be transmitted to the target cell through the downlink channel based on the determined target transmission mode for the recipient device (ie, user equipment 101 and user equipment 103) Receive.
- the group data the group data sent by the user equipment 102 through the uplink channel
- the target cells ie, cell 1 and cell 2
- the group data is sent to the target cell Target transmission mode (such as unicast, multicast or broadcast, etc.)
- the group data can be transmitted to the target cell through the downlink channel based on the determined target transmission mode for the recipient
- the technical solutions of the embodiments of the present application can implement the group communication mechanism with the assistance of network-side devices (such as base stations, application servers, etc.), and can effectively manage and control the constructed device group through the network-side devices, improving The reliability of group communication.
- network-side devices such as base stations, application servers, etc.
- FIG. 2 schematically shows a flowchart of a communication method provided according to an embodiment of the present application.
- the communication method may be used in a wireless communication system provided by an embodiment of the present application.
- the communication method may be performed by a network-side device, for example, It is executed by a base station or an application server located at the core network or network edge.
- the communication method includes at least steps S210 to S230, which are described in detail as follows:
- step S210 the group data sent by the sending device through the uplink channel is received.
- the sender device may be a smart phone, tablet computer, portable computer, desktop computer, or the like as a user equipment (User Equipment).
- the uplink channel when the sender device sends the group data may be the uplink channel in the 5G communication system.
- the group data sent by the sender device is data that needs to be sent to other user devices in the same group as the sender device.
- the user equipment in the same group as the sender device may be located in the same cell or in different cells, that is, the user equipment in each group is not limited by the cell plan for mobile communication.
- the sender devices in different groups may be designated by the network-side device or determined by each user device actively as the sender device.
- step S220 a target cell to which the group data needs to be sent is acquired, and a target transmission method used to send the group data to the target cell.
- the target transmission modes include: unicast, broadcast, and multicast.
- step S220 The specific implementation of step S220 is described in detail below:
- an indication message sent by a sender device may be obtained, and then the target cell and the target transmission mode may be determined according to the indication message. That is, the technical solution of this embodiment is to determine the target cell that needs to be sent by the group data and the transmission method used by the indication message sent by the sender device.
- an indication message sent by a sender device for different data packets may be obtained to determine target transmission modes corresponding to different data packets. That is, the sender device can indicate the transmission mode based on each data packet, which improves the flexibility of group data transmission.
- the foregoing indication message may be obtained from a specified packet header of the data packet sent by the sender device.
- the Ethernet packet header of the data packet sent by the sender device is compressed before sending, then the multicast or multicast address in the data packet will be removed, so you can choose not to according to the compression of the data packet.
- the above indication message is added to the compressed other message headers (such as SDAP header, PDCP header or RLC header, etc.).
- the indication message when the indication message indicates a specific transmission mode, it can be represented by two bits, that is, the two bits in the corresponding packet header are used to indicate the transmission mode, for example, by "00 "" Means broadcast, "01” means unicast, and "11" means multicast.
- the network-side device may also obtain the cell information where each user equipment is located, and then send the cell information where each user equipment is located to the sender equipment, so that the sender equipment can use the cell where the receiver equipment is located.
- the information determines the target cell to which the group data needs to be sent.
- the network-side device when acquiring the information of the cell where each user equipment is located, may obtain the location information of each user equipment, and then determine the location information of each user equipment and the coverage of each cell to determine Information about the cell where each user equipment is located.
- the network side device when acquiring the cell information where each user equipment is located, may acquire the cell information where each user equipment provided by other network side equipment is located.
- the application server may obtain cell information where each user equipment provided by the base station or the core network element is located.
- the network side device when acquiring the cell information where each user equipment is located, may receive the cell information reported by each user equipment.
- the target cell and the target transmission mode may be determined according to the above-mentioned group data bearing mode during transmission.
- the data radio bearer (Data Radio Bearer, DRB) used by the group data during transmission can be determined, and then the pre-configured data used by the group data during transmission can be used
- the cell corresponding to the data radio bearer and the transmission mode are used as the target cell and the target transmission mode. That is, in this embodiment, the target cell to which the group data is to be sent and the target transmission method used may be determined according to the data radio bearer when the group data is transmitted.
- the network slice where the group data is transmitted may also be determined, and then the pre-configured cell and transmission method corresponding to the network slice where the group data is transmitted are used as the description
- the target cell and the target transmission mode that is, in this embodiment, the target cell to which the group data is to be sent and the target transmission method used may be determined according to the network slice where the group data is transmitted.
- the group information may be carried in the data packet header of the group data, so that the receiver device can determine whether the group data is based on the group information Data sent to itself.
- the different types of group data are sent to the target device to obtain different types determined by the target device
- the target cell to which the group data is to be sent, and the target transmission method used to send the different types of group data to the target cell are sent to the target device to obtain different types determined by the target device
- the target device such as an edge computing device or an application server, etc.
- step S230 the group data is transmitted to the target cell through a downlink channel based on the target transmission mode, so that the receiver device can receive it.
- the receiver device may be a device in the same communication group as the sender device.
- the sender device and the receiver device may be located in the same cell or in different cells.
- the target cell is the cell where the sender device is located.
- the technical solution of the embodiment shown in FIG. 2 makes it possible to implement a group communication mechanism with the assistance of network-side devices in a wireless communication system, and to achieve effective management and control of the constructed device group through network-side devices, which improves Reliability of group communication.
- user equipment 301 and user equipment 302 belong to one 5G LAN 1
- user equipment 302, user equipment 303, and user equipment 304 belong to another 5G LAN 2.
- all user equipment in 5G LAN1 ie, user equipment 301 and user equipment 302 are located in the same cell
- user equipment in 5G LAN2 is located in different cells (ie, user equipment 303 and user equipment 304 are located The cell is different from the cell where the user equipment 302 is located).
- the group data transmitted between the user equipments does not need to be forwarded through the interface between the base stations when sending; and for user equipments in 5G LANs located in different cells
- the group data transmitted between the user equipment needs to be forwarded between the base stations, and the delay between the base stations will affect the data transmission delay.
- the AMF shown in Figure 3 is the access and mobility function entity (Access and Mobility Function)
- UPF is the user port function entity (User Port Function)
- SMF is the service management point (Service Management Point)
- NEF is the network element function (Network Element).
- the network-side device that maintains the location information of the 5G LAN device may be the application server shown in FIG. 3 (the application server may be a 5G LAN application server), or may be a base station or other network element (Such as SMF, etc.).
- the location information of the 5G LAN device can be a cell or a set of cells carrying a 5G LAN, or a sector or beam set of a cell carrying a 5G LAN.
- the scheme for collecting and maintaining the location information of 5G LAN devices may include the following embodiments:
- Example 1 of collecting and maintaining 5G LAN device location information
- the network-side device is determined based on the physical location of the 5G LAN device. Specifically, the network side device may obtain the specific physical location of each 5G LAN device, and then determine the cell information where the 5G LAN device is located according to the coverage data of the cell and the specific physical address.
- the technical solution of this embodiment is suitable for the case where the deployment of 5G cells is relatively simple. If multiple cells are deployed close to each other, the actual cell coverage may be affected by the power and interference factors of different base stations, resulting in irregular coverage, which may affect the determined 5G.
- the information of the cell where the LAN device is located lacks accuracy.
- Example 3 Collecting and maintaining 5G LAN device location information:
- the terminal may send the cell information where the 5G LAN device is located to the network-side device at the application layer, for example, to the 5G LAN application server.
- the group data can be sent as uplink data to a network-side device (such as a base station or a functional entity co-located with the base station such as an edge computing entity, etc.,
- a network-side device such as a base station or a functional entity co-located with the base station such as an edge computing entity, etc.
- the base station can decide whether to process it by itself or forward it to the 5G LAN application server for processing according to its function.
- the base station's decision to process by itself may have the following two embodiments:
- the sender device when the sender device sends the group data to the network side device, it needs to indicate to the base station the cell where the receiver device of the group data is located (such as whether it is in the same cell as the sender device), and When transmitting group data, whether to use unicast, broadcast or multicast for downlink transmission.
- the technical solution of this embodiment is premised on the premise that the application layer of the sender device knows the cell location where the receiver device (or receiver group) is located, for example, the network-side device can send the collected and maintained device location information to the sender in advance ⁇ ⁇ Party equipment.
- the specific information indicated by the device to the base station may be embodied in the corresponding data message.
- the indication information bits that need to be introduced can be added to the packet header according to the compression condition of the data packet, for example, to the IP header, PDCP header, or RLC packet header. More specifically, as shown in the 5G LAN user plane protocol stack shown in FIG. 4, if the Ethernet header of the data packet sent by the sender device is compressed before sending, the multicast or multicast address in the data packet will be It is removed, so you can choose other headers that are not compressed (such as SDAP header, PDCP header, or RLC header, etc.) according to the compression of the data packet.
- the MAC shown in Figure 4 is the media access control layer (Media Access Control); PHY is the port physical layer (Port Physical) Layer; GTP-U is the GPRS channel protocol-user plane (GPRS Tunnel Protocol User Plane); UDP is the User Datagram Protocol; the Xn interface is the interface between the base station gNB; the NG interface is the interface between the base station gNB and the 5G core network. It should be noted that some air interface protocol stacks with compressed headers will be removed at the sending end and restored at the receiving end.
- the specific information indicated by the device to the base station may also be embodied in the UE context configured in the control plane.
- the device can determine the sending method for each data packet when instructing, that is, the device can perform unicast or multicast transmission of data packets in the 5G LAN group without relying on Address indication in the data packet header.
- the sender device does not indicate to the base station the cell where the receiver device is located when sending the group data to the network side device (such as a base station), and uses unicast and broadcast when transmitting the group data
- the network side device such as a base station
- uses unicast and broadcast when transmitting the group data
- the downlink transmission is still in the multicast mode, and the base station performs it according to the context of the network configuration.
- the network-side device may maintain a forwarding table to determine the sending location and sending method of 5G LAN data through the forwarding table.
- the forwarding table can be configured according to DRB ID.
- the data of DRB1 is all broadcast in the local cell (ie, the cell where the sender device is located); the data of DRB2 is unicast in the local cell and forwarded to a neighboring cell.
- the network slice ID such as S-NSSAI, which is Single Network Slice Selection Selection Assistance Information
- S-NSSAI Single Network Slice Selection Selection Assistance Information
- Network slice 1 broadcast no Network slice 2 Unicast Yes ... ... ...
- Embodiment 2 eliminates the need for the network-side device to rely on the instructions of the 5G LAN device, but each data packet needs to carry 5G LAN group information (such as a unicast address, multicast address, or broadcast address) ), So that the receiver device decides whether a certain data packet is sent to itself based on the group information.
- 5G LAN group information such as a unicast address, multicast address, or broadcast address
- the base station if it cannot determine to which cell to transmit the group data, it can transmit the data to the 5G LAN application server (or edge computing device on the network side), and the 5G LAN application server decides to transfer The group data is sent to which cell or cells in the downlink mode. Specifically, for example, if different 5G LAN data is mixed on a DRB and cannot be distinguished at the access layer (Access Stratum, AS), then the base station can send 5G LAN data to the 5G LAN application server to implement above the IP layer 5G LAN data forwarding, that is, determine the cell or cells to which 5G LAN data needs to be forwarded above the IP layer, and whether to forward it through unicast, multicast or broadcast.
- the 5G LAN application server or edge computing device on the network side
- the multicast and broadcast in the above embodiments may be implemented based on unicast (that is, sent to N target terminals through N downlink transmissions), or may be based on a multimedia broadcast multicast service (MultimediaBroadcastMulticastService, MBMS) technology, it can also be based on single cell-to-multipoint (Single Cell-Point to Multi-point, SC-PTM) technology or other new broadcast mechanisms introduced in 5G .
- MBMS MultimediaBroadcastMulticastService
- SC-PTM Single Cell-Point to Multi-point
- the technical solution of the above embodiments of the present application is suitable for future use of a 5G-based air interface to transmit data packets between industrial control devices with high reliability and low latency, such as IP packets or non-IP packets, and Ethernet packets. Etc., to meet the requirements of Industrial Internet (Things, IIoT) for low latency and reliability.
- the technical solutions in the embodiments of the present application may be integrated into industrial control equipment, or may be independently deployed.
- FIG. 5 schematically shows a block diagram of a communication device provided according to an embodiment of the present application.
- the communication device may be used in the wireless communication system provided by the embodiments of the present application.
- a communication device 500 for a wireless communication system includes: a receiving unit 502, a first acquiring unit 504, and a transmitting unit 506.
- the receiving unit 502 is used to receive the group data sent by the sender device through the uplink channel; the first obtaining unit 504 is used to obtain the target cell to which the group data needs to be sent, and send the group data to all The target transmission mode adopted by the target cell; the transmission unit 506 is used to transmit the group data to the target cell through a downlink channel based on the target transmission mode for the receiver device to receive.
- the first obtaining unit 504 is configured to: obtain an indication message sent by the sender device; and determine the target cell and the target transmission mode according to the indication message.
- the first obtaining unit 504 is configured to obtain the indication message sent by the sender device for different data packets to determine the target transmission corresponding to the different data packets respectively the way.
- the first obtaining unit 504 is configured to obtain the indication message from a specified packet header of the data packet sent by the sender device.
- the Ethernet packet header of the data packet sent by the sender device is compressed before transmission, and the designated packet header includes an SDAP header, a PDCP header, or an RLC header.
- the communication device 500 for a wireless communication system further includes: a second acquiring unit, configured to acquire cell information of a cell where the user equipment is located; a sending unit, configured to use the user equipment The cell information of the located cell is sent to the sender device, so that the sender device determines the target cell to which the group data needs to be sent according to the cell information of the cell where the user equipment as the receiver device is located.
- the second acquiring unit is configured to: acquire location information of the user equipment; determine the location of the cell where the user equipment is located according to the location information of the user equipment and the coverage of the cell Cell information.
- the second acquiring unit is configured to acquire the cell information provided by itself and required by the user equipment.
- the second obtaining unit is configured to receive cell information reported by the user equipment.
- the first obtaining unit 504 is configured to determine the target cell and the target transmission mode according to a bearer mode of the group data during transmission.
- the first obtaining unit 504 is configured to: determine the data wireless bearer used by the group data during transmission; and configure the pre-configured data used by the group data during transmission
- the cell corresponding to the wireless bearer and the transmission method are used as the target cell and the target transmission method.
- the first acquiring unit 504 is configured to: determine a network slice where the group data is located at the time of transmission; and correspond a pre-configured network slice where the group data is located at the time of transmission
- the cell and the transmission method are used as the target cell and the target transmission method.
- the data packet header of the group data carries group information
- the group information is used by the receiver device to determine whether the group data is sent to itself data.
- the first obtaining unit 504 is configured to: if different types of group data use the same data radio bearer during transmission, send the different types of group data to the target device; obtain A target cell to which the different types of group data to be sent determined by the target device are to be sent, and a target transmission method adopted for sending the different types of group data to the target cell.
- the target transmission mode includes: unicast, broadcast, and multicast.
- FIG. 6 shows a schematic structural diagram of a computer system suitable for implementing the electronic device provided by the embodiment of the present application.
- the computer system 600 includes a central processing unit (Central Processing Unit, CPU) 601, which can be loaded into a random portion according to a program stored in a read-only memory (Read-Only Memory, ROM) 602 or from the storage section 608
- the program in the memory (Random Access Memory) 603 is accessed to perform various appropriate actions and processes.
- RAM 603 various programs and data required for system operation are also stored.
- the CPU 601, ROM 602, and RAM 603 are connected to each other through a bus 604.
- An input / output (I / O) interface 605 is also connected to the bus 604.
- the following components are connected to the I / O interface 605: input section 606 including keyboard, mouse, etc .; including output section 607 such as cathode ray tube (Cathode Ray Tube, CRT), liquid crystal display (Liquid Crystal Display, LCD), etc. ; A storage section 608 including a hard disk, etc .; and a communication section 609 including a network interface card such as a LAN card, a modem, etc. The communication section 609 performs communication processing via a network such as the Internet.
- the driver 610 is also connected to the I / O interface 605 as needed.
- a removable medium 611 such as a magnetic disk, an optical disk, a magneto-optical disk, a semiconductor memory, or the like, is installed on the drive 610 as needed, so that the computer program read out therefrom is installed into the storage section 608 as needed.
- embodiments of the present application include a computer program product that includes a computer program carried on a computer-readable medium, the computer program containing program code for performing the method shown in the flowchart.
- the computer program may be downloaded and installed from the network through the communication section 609, and / or installed from the removable medium 611.
- CPU central processing unit
- the computer-readable medium shown in the embodiments of the present application may be a computer-readable signal medium or a computer-readable storage medium, or any combination of the two.
- the computer-readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any combination of the above.
- Computer-readable storage media may include, but are not limited to: electrical connections with one or more wires, portable computer diskettes, hard drives, random access memory (RAM), read-only memory (ROM), erasable Erasable Programmable Read Only Memory (EPROM), flash memory, optical fiber, portable compact disk read-only memory (Compact Disc Read-Only Memory, CD-ROM), optical storage device, magnetic storage device, or any suitable The combination.
- the computer-readable storage medium may be any tangible medium that contains or stores a program, and the program may be used by or in combination with an instruction execution system, apparatus, or device.
- the computer-readable signal medium may include a data signal propagated in the baseband or as part of the carrier wave, in which the computer-readable program code is carried.
- This propagated data signal can take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above.
- the computer-readable signal medium may also be any computer-readable medium other than a computer-readable storage medium, and the computer-readable medium may send, propagate, or transmit a program for use by or in combination with an instruction execution system, apparatus, or device. .
- the program code contained on the computer-readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wired, etc., or any suitable combination of the foregoing.
- each block in the flowchart or block diagram may represent a module, a program segment, or a part of code, and the above-mentioned module, program segment, or part of code contains one or more for implementing a specified logical function Executable instructions.
- the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession can actually be executed in parallel, and sometimes they can also be executed in reverse order, depending on the functions involved.
- each block in the block diagram or flowchart, and a combination of blocks in the block diagram or flowchart can be implemented with a dedicated hardware-based system that performs the specified function or operation, or can be used It is realized by a combination of dedicated hardware and computer instructions.
- the units described in the embodiments of the present application may be implemented in software or hardware, and the described units may also be provided in a processor. Among them, the names of these units do not constitute a limitation on the unit itself under certain circumstances.
- An embodiment of the present application also provides a computer program product including instructions, which, when it runs on a server, causes the server to execute the communication method provided by the foregoing embodiment.
- the present application also provides a computer-readable medium, which may be contained in the electronic device described in the foregoing embodiments; or may exist alone without being assembled into the electronic device in.
- the computer-readable medium carries one or more programs. When the one or more programs are executed by one electronic device, the electronic device causes the electronic device to implement the method described in the foregoing embodiments.
- the example embodiments described herein can be implemented by software, or can be implemented by software in combination with necessary hardware. Therefore, the technical solution according to the embodiments of the present application can be embodied in the form of a software product, which can be stored in a non-volatile storage medium (which can be a CD-ROM, U disk, mobile hard disk, etc.) or on the network , Including several instructions to enable a computing device (which may be a personal computer, server, touch terminal, or network device, etc.) to perform the method according to the embodiments of the present application.
- a computing device which may be a personal computer, server, touch terminal, or network device, etc.
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Abstract
本申请的实施例提供了一种通信方法、装置、计算机可读介质及电子设备。该用于无线通信***的通信方法应用于网络侧设备,所述方法包括:接收发送方设备通过上行信道发送的群组数据;获取所述群组数据需要发送到的目标小区,以及将所述群组数据发送至所述目标小区所采用的目标传输方式;基于所述目标传输方式将所述群组数据通过下行信道传输至所述目标小区,以供接收方设备进行接收。本申请实施例的技术方案可以通过网络侧设备的辅助来实现群组通信机制,并且能够通过网络侧设备实现对所构建的设备群组的有效管控,提高了群组通信的可靠性。
Description
本申请要求于2018年10月08日提交中国专利局、申请号为201811168975.X、申请名称为“通信方法、装置、计算机可读介质及电子设备”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。
本申请涉及计算机及通信技术领域,具体而言,涉及群组通信。
长期演进(Long Term Evolution,LTE)并未以标准化的方式来支持局域网(Local Area Network,LAN)承载。在具体实现时,可以控制终端开启模拟接入点(soft AccessPoint,softAP)实现基于蜂窝***的LAN,然后多个终端搭载(tether)多个LAN来实现通信,但这种模式存在不可管控的问题,无法对所构建的LAN进行有效的管控,导致群组通信的可靠性较低。
发明内容
本申请的实施例提供了一种通信方法、装置、计算机可读介质及电子设备,进而至少在一定程度上可以实现对设备群组的有效管控,提高了群组通信的可靠性。
本申请的其他特性和优点将通过下面的详细描述变得显然,或部分地通过本申请的实践而习得。
根据本申请实施例的一个方面,提供了一种用于无线通信***的通信方法,应用于网络侧设备,所述方法包括:接收发送方设备通过上行信道发送的群组数据;获取所述群组数据需要发送到的目标小区,以及将所述群组数据发送至所述目标小区所采用的目标传输方式;基于所述目标传输方式将所述群组数据通过下行信道传输至所述目标小区,以供接收方设备进行接收。
根据本申请实施例的一个方面,提供了一种用于无线通信***的通信装置,包括:接收单元,用于接收发送方设备通过上行信道发送的群组数据;第一获取单元,用于获取所述群组数据需要发送到的目标小区,以及将所述群组数据发送至所述目标小区所采用的目标传输方式;传输单元,用于基于所述目标传输方式将所述群组数据通过下行信道传输至所述目标小区,以供接收方设备进行接收。
在本申请的一些实施例中,基于前述方案,所述第一获取单元配置为:获取所述发送方设备发送的指示消息;根据所述指示消息确定所述目标小区和所述目标传输方式。
在本申请的一些实施例中,基于前述方案,所述第一获取单元配置为:获取所述发送方设备针对不同数据报文发送的所述指示消息,以确定所述不同数据报文分别对应的所述目标传输方式。
在本申请的一些实施例中,基于前述方案,所述第一获取单元配置为:从所述发送方设备发送的数据报文的指定报文头中获取所述指示消息。
在本申请的一些实施例中,基于前述方案,所述发送方设备发送的数据报文的以太网(Ethernet)报文头在发送前被压缩,所述指定报文头包括业务数据适配协议(Service Data Adaptation Protocol,SDAP)头、分组数据汇聚协议(Packet Data Convergence Protocol,PDCP)头或无线链路层控制协议(Radio Link Control,RLC)头。
在本申请的一些实施例中,基于前述方案,所述的用于无线通信***的通信装置还包括:第二获取单元,用于获取用户设备所在小区的小区信息;发送单元,用于将所述用户设备所在小区的小区信息发送至所述发送方设备,以供所述发送方设备根据作为所述接收方设备的所述用户设备所在小区的小区信息确定所述群组数据需要发送到的目标小区。
在本申请的一些实施例中,基于前述方案,所述第二获取单元配置为:获取所述用户设备的位置信息;根据所述用户设备的位置信息和小区的覆盖范围,确定所述用户设备所在小区的小区信息。
在本申请的一些实施例中,基于前述方案,所述第二获取单元配置为:获取自身提供的所述用户设备所在小区的小区信息。
在本申请的一些实施例中,基于前述方案,所述第二获取单元配置为:接收所述用户设备上报的小区信息。
在本申请的一些实施例中,基于前述方案,所述第一获取单元配置为:根据所述群组数据在传输时的承载方式,确定所述目标小区和所述目标传输方式。
在本申请的一些实施例中,基于前述方案,所述第一获取单元配置为:确 定所述群组数据在传输时所采用的数据无线承载;将预配置的与所述群组数据在传输时所采用的数据无线承载相对应的小区及传输方式作为所述目标小区和所述目标传输方式。
在本申请的一些实施例中,基于前述方案,所述第一获取单元配置为:确定所述群组数据在传输时所在的网络切片;将预配置的与所述群组数据在传输时所在的网络切片相对应的小区及传输方式作为所述目标小区和所述目标传输方式。
在本申请的一些实施例中,基于前述方案,所述群组数据的数据报文头中携带有群组信息,所述群组信息用于所述接收方设备确定所述群组数据是否为发送至自身的数据。
在本申请的一些实施例中,基于前述方案,所述第一获取单元配置为:若不同类型的群组数据在传输时采用相同的数据无线承载,则将所述不同类型的群组数据发送至目标设备;获取所述目标设备确定的所述不同类型的群组数据要发送到的目标小区,以及将所述不同类型的群组数据发送至所述目标小区所采用的目标传输方式。
在本申请的一些实施例中,基于前述方案,所述目标传输方式包括:单播、广播、组播。
根据本申请实施例的一个方面,提供了一种计算机可读介质,其上存储有计算机程序,所述计算机程序被处理器执行时实现如上述实施例中所述的用于无线通信***的通信方法。
根据本申请实施例的一个方面,提供了一种电子设备,包括:一个或多个处理器;存储装置,用于存储一个或多个程序,当所述一个或多个程序被所述一个或多个处理器执行时,使得所述一个或多个处理器实现如上述实施例中所述的用于无线通信***的通信方法。
在本申请的一些实施例所提供的技术方案中,通过接收发送方设备通过上行信道发送的群组数据,并获取该群组数据需要发送到的目标小区和目标传输方式,以基于目标传输方式将该群组数据通过下行信道传输至目标小区,使得在无线通信***(如5G***)中,可以通过网络侧设备(如基站、应用服务器等)的辅助来实现群组通信机制,并且能够通过网络侧设备实现对所构建的 设备群组的有效管控,提高了群组通信的可靠性。
应当理解的是,以上的一般描述和后文的细节描述仅是示例性和解释性的,并不能限制本申请。
图1示出了可以应用本申请实施例技术方案的示例性***架构的示意图;
图2示意性示出了根据本申请实施例所提供通信方法的流程图;
图3示出了根据本申请实施例的技术方案的一个应用场景示意图;
图4示出了根据本申请的一个实施例的5G LAN的用户面协议栈示意图;
图5示意性示出了根据本申请实施例所提供通信装置的框图;
图6示出了适于用来实现本申请实施例所提供电子设备的计算机***结构示意图。
现在将参考附图更全面地描述示例实施方式。然而,示例实施方式能够以多种形式实施,且不应被理解为限于在此阐述的范例;相反,提供这些实施方式使得本申请将更加全面和完整,并将示例实施方式的构思全面地传达给本领域的技术人员。
此外,所描述的特征、结构或特性可以以任何合适的方式结合在一个或更多实施例中。在下面的描述中,提供许多具体细节从而给出对本申请的实施例的充分理解。然而,本领域技术人员将意识到,可以实践本申请的技术方案而没有特定细节中的一个或更多,或者可以采用其它的方法、组元、装置、步骤等。在其它情况下,不详细示出或描述公知方法、装置、实现或者操作以避免模糊本申请的各方面。
附图中所示的方框图仅仅是功能实体,不一定必须与物理上独立的实体相对应。即,可以采用软件形式来实现这些功能实体,或在一个或多个硬件模块或集成电路中实现这些功能实体,或在不同网络和/或处理器装置和/或微控制器装置中实现这些功能实体。
附图中所示的流程图仅是示例性说明,不是必须包括所有的内容和操作/步骤,也不是必须按所描述的顺序执行。例如,有的操作/步骤还可以分解,而有的操作/步骤可以合并或部分合并,因此实际执行的顺序有可能根据实际 情况改变。
图1示出了可以应用本申请实施例技术方案的示例性***架构的示意图。
如图1所示,***架构可以包括用户设备101、用户设备102、用户设备103和基站104。其中,用户设备101、用户设备102和用户设备103可以是智能手机、平板电脑、便携式计算机、台式计算机等;用户设备101和用户设备102处于小区1中,用户设备102和用户设备103处于小区2中,且用户设备101、用户设备102和用户设备103构成了通信群组。
应该理解,图1中所示的用户设备和基站的数目仅仅是示意性的。根据实现需要,可以具有任意数目的用户设备和基站。
在本申请的一个实施例中,基站104(也可以是其它网络侧设备,如位于核心网或网络边缘的应用服务器)在接收到用户设备102通过上行信道发送的群组数据(该群组数据可以是发送至用户设备101和用户设备103的)后,可以获取到该群组数据需要发送到的目标小区(即小区1和小区2),以及将该群组数据发送至该目标小区所采用的目标传输方式(如单播、组播或广播等),进而可以基于确定的目标传输方式将该群组数据通过下行信道传输至目标小区,以供接收方设备(即用户设备101和用户设备103)进行接收。可见,本申请实施例的技术方案可以通过网络侧设备(如基站、应用服务器等)的辅助来实现群组通信机制,并且能够通过网络侧设备实现对所构建的设备群组的有效管控,提高了群组通信的可靠性。
以下对本申请实施例的技术方案的实现细节进行详细阐述:
图2示意性示出了根据本申请实施例所提供通信方法的流程图,该通信方法可以用于本申请实施例所提供的无线通信***,该通信方法可以由网络侧设备来执行,比如可以由基站,或者位于核心网或网络边缘的应用服务器来执行。参照图2所示,该通信方法至少包括步骤S210至步骤S230,详细介绍如下:
在步骤S210中,接收发送方设备通过上行信道发送的群组数据。
在本申请的一个实施例中,发送方设备可以是作为用户设备(User Equipment,UE)的智能手机、平板电脑、便携式计算机、台式计算机等。发送方设备在发送群组数据时的上行信道可以是5G通信***中的上行信道,发送方设备发送的群组数据是需要发送至与发送方设备处于同一群组中的其他 用户设备的数据。其中,与发送方设备处于同一群组的用户设备可以位于同一个小区内,也可以位于不同的小区内,即各个群组中用户设备不受移动通信的小区规划限定。同时,不同群组中的发送方设备可以由网络侧设备指定或由各个用户设备主动决定是否作为发送方设备。
在步骤S220中,获取所述群组数据需要发送到的目标小区,以及将所述群组数据发送至所述目标小区所采用的目标传输方式。
在本申请的一个实施例中,目标传输方式包括:单播、广播、组播。以下对步骤S220的具体实现方式进行详细阐述:
实现方式一:
在本申请的一个实施例中,可以获取发送方设备发送的指示消息,然后根据该指示消息确定所述目标小区和所述目标传输方式。即该实施例的技术方案是通过发送方设备发送的指示消息来确定群组数据需要发送的目标小区和所采用的传输方式。
在本申请的一个实施例中,可以获取发送方设备针对不同数据报文发送的指示消息,以确定不同数据报文分别对应的目标传输方式。即发送方设备可以基于每个数据报文来指示传输方式,提高了群组数据发送的灵活性。
在本申请的一个实施例中,可以从发送方设备发送的数据报文的指定报文头中获取上述的指示消息。其中,若发送方设备发送的数据报文的Ethernet报文头在发送前被压缩,那么数据报文中的组播或多播地址会被去除,因此可以根据数据报文的压缩情况,选择未被压缩的其它报文头(如SDAP头、PDCP头或RLC头等)中添加上述的指示消息。
在本申请的一个实施例中,指示消息在指示具体的传输方式时,可以通过两个比特位来表示,即使用相应的报文头中的两个比特位来表示传输方式,比如通过“00”表示广播、“01”表示单播、“11”表示组播。
在本申请的一个实施例中,网络侧设备还可以获取各个用户设备所在的小区信息,然后将各个用户设备所在的小区信息发送至发送方设备,以供发送方设备根据接收方设备所在的小区信息确定所述群组数据需要发送到的目标小区。
在本申请的一个实施例中,网络侧设备在获取各个用户设备所在的小区信 息时,可以获取各个用户设备所在的位置信息,然后根据各个用户设备所在的位置信息和各个小区的覆盖范围,确定各个用户设备所在的小区信息。
在本申请的一个实施例中,网络侧设备在获取各个用户设备所在的小区信息时,可以获取其它网络侧设备提供的各个用户设备所在的小区信息。比如应用服务器可以获取基站或核心网网元提供的各个用户设备所在的小区信息。
在本申请的一个实施例中,网络侧设备在获取各个用户设备所在的小区信息时,可以接收各个用户设备上报的小区信息。
实现方式二:
在本申请的一个实施例中,可以根据上述的群组数据在传输时的承载方式,确定所述目标小区和所述目标传输方式。
可选地,在本申请的一个实施例中,可以确定群组数据在传输时所采用的数据无线承载(Data Radio Bearer,DRB),然后将预配置的与该群组数据在传输时所采用的数据无线承载相对应的小区及传输方式作为所述目标小区和所述目标传输方式。即该实施例中可以根据群组数据在传输时的数据无线承载来确定群组数据所要发送到的目标小区和所采用的目标传输方式。
在本申请的一个实施例中,还可以确定群组数据在传输时所在的网络切片,然后将预配置的与该群组数据在传输时所在的网络切片相对应的小区及传输方式作为所述目标小区和所述目标传输方式。即该实施例中可以根据群组数据在传输时所在的网络切片来确定群组数据所要发送到的目标小区和所采用的目标传输方式。
在本申请的一个实施例中,对于实现方式二的技术方案,可以在群组数据的数据报文头中携带群组信息,以便于接收方设备根据该群组信息确定该群组数据是否为发送至自身的数据。
实现方式三:
在本申请的一个实施例中,若不同类型的群组数据在传输时采用相同的数据无线承载,则将所述不同类型的群组数据发送至目标设备,以获取该目标设备确定的不同类型的群组数据要发送到的目标小区,以及将所述不同类型的群组数据发送至目标小区所采用的目标传输方式。即该实施例的技术方案使得在不同类型的群组数据混用在一个DRB上时,可以基于目标设备(如边缘计算设 备或应用服务器等)的辅助来确定不同类型的群组数据要发送到的目标小区及所采用的目标传输方式。
继续参照图2所示,在步骤S230中,基于所述目标传输方式将所述群组数据通过下行信道传输至所述目标小区,以供接收方设备进行接收。
在本申请的一个实施例中,接收方设备可以是与发送方设备处于同一通信群组中的设备。其中,发送方设备与接收方设备可以位于同一个小区内,也可以位于不同的小区内,当接收方设备与发送方设备位于同一个小区内时,目标小区即为发送方设备所在的小区。
图2所示实施例的技术方案使得在无线通信***中,可以通过网络侧设备的辅助来实现群组通信机制,并且能够通过网络侧设备实现对所构建的设备群组的有效管控,提高了群组通信的可靠性。
以下以在5G通信***中进行群组通信为例,对本申请实施例的技术方案进行详细阐述:
在本申请的一个实施例中,如图3所示,用户设备301和用户设备302属于一个5G LAN 1,用户设备302、用户设备303和用户设备304属于另一个5G LAN 2。其中,5G LAN 1中的所有用户设备(即用户设备301和用户设备302)都位于同一个小区内,5G LAN 2中的用户设备位于不同的小区内(即用户设备303和用户设备304所在的小区与用户设备302所在的小区不同)。对于5G LAN中的所有用户设备位于同一个小区内的情况,用户设备之间传输的群组数据在发送时不需要经过基站之间的接口进行转发;而对于5G LAN中的用户设备位于不同小区的情况,则用户设备之间传输的群组数据需要进行基站之间的转发,而基站之间转发的时延会影响数据传输的时延。当确定群组数据是否需要在基站之间转发时,需要判断5G LAN设备是否位于同一小区内,即网络侧设备需要维护各个用户设备的位置信息,进而可以决定将群组数据在哪些小区/扇区甚至波束集合上进行发送。其中,图3中所示的AMF即为接入和移动性功能实体(Access and Mobility Function),UPF即为用户端口功能实体(User Port Function),SMF即为业务管理点(Service Management Point),NEF即为网元功能(Network Element Function)。
在本申请的一个实施例中,维护5G LAN设备的位置信息的网络侧设备可 以是图3中所示的应用服务器(该应用服务器可以是5G LAN应用服务器),也可以是基站或者其他网元(如SMF等)。5G LAN设备的位置信息可以是承载5G LAN的小区或小区集合,也可以是承载5G LAN的小区的扇区或者波束集合。
在本申请的实施例中,收集和维护5G LAN设备的位置信息的方案可以包括如下实施例:
收集和维护5G LAN设备位置信息的实施例1:
网络侧设备基于5G LAN设备的物理位置来确定。具体地,网络侧设备可以获取每个5G LAN设备的具体物理位置,然后根据小区的覆盖数据和该具体物理地址来确定5G LAN设备所在的小区信息。该实施例的技术方案适合于5G小区部署较简单的情况,如果多小区临近部署,则实际的小区覆盖可能受到不同基站的功率和干扰因素影响会导致覆盖范围不规则,进而会影响确定的5G LAN设备所在小区信息缺乏准确性。
收集和维护5G LAN设备位置信息的实施例2:
基于网络能力开放来确定5G LAN设备的位置信息。具体地,网络侧的部分网元(如基站或者核心网网元)可以将终端的上下文信息开放给5G LAN服务器,该实施例的技术方案需要借助于5G网络能力的开放。
收集和维护5G LAN设备位置信息的实施例3:
基于终端的应用层汇报来确定5G LAN设备的位置信息。具体地,终端可以在应用层把5G LAN设备所在的小区信息发送给网络侧设备,如发送给5G LAN应用服务器。
在本申请的一个实施例中,当5G LAN设备需要发送群组数据时,可以将群组数据作为上行数据发送给网络侧设备(如基站或者与基站共址的功能实体如边缘计算实体等,以下以基站为例进行说明),基站可以根据自身功能决定是由自身进行处理,还是进一步转发给5G LAN应用服务器进行处理。其中,基站决定由自身进行处理可以有如下两个实施例:
实施例1:
在本申请的一个实施例中,发送方设备在向网络侧设备发送群组数据时,需要向基站指示群组数据的接收方设备所在的小区(如是否与发送方设备在同 一小区),以及在传输群组数据时是采用单播、广播还是组播的方式进行下行发送。该实施例的技术方案的实现前提是发送方设备的应用层知晓接收方设备(或接收方群组)所处的小区位置,比如网络侧设备可以事先将收集和维护的设备位置信息发送给发送方设备。
在本申请的一个实施例中,设备向基站指示的具体信息可以在相应的数据报文中进行体现。具体地,可以依据数据报文的压缩情况,将需要引入的指示信息比特添加到报文头中,如添加至IP头、PDCP头或者RLC报文头中。更具体地,如图4所示的5G LAN用户面协议栈,若发送方设备发送的数据报文的Ethernet报文头在发送前被压缩,那么数据报文中的组播或多播地址会被去除,因此可以根据数据报文的压缩情况,选择未被压缩的其它报文头(如SDAP头、PDCP头或RLC头等,若IP头未被压缩,则也可以将指示信息添加至IP头中)中***比特指示。图4中所示的MAC即为媒体介入控制层(Media Access Control);PHY即为端口物理层(Port Physical Layer);GTP-U即为GPRS通道协议-用户面(GPRS Tunnel Protocol User Plane);UDP即为用户数据报协议(User Datagram Protocol);Xn接口即为基站gNB之间的接口;NG接口即为基站gNB与5G核心网之间的接口。需要说明的是,报文头压缩后的一些空中接口协议栈会在发送端被去掉而在接收端被恢复。
在本申请的一个实施例中,设备向基站指示的具体信息也可以在控制面配置的UE上下文中进行体现。
在本申请的一个实施例中,设备在进行指示时,可以针对每个数据报文确定发送方式,即设备在5G LAN群组里可以针对数据报文进行单播或者多播传输,而不依赖于数据报文头中的地址指示。
实施例2:
在本申请的一个实施例中,发送方设备在向网络侧设备(如基站)发送群组数据时不向基站指示接收方设备所在的小区,以及在传输群组数据时是采用单播、广播还是组播的方式进行下行发送,而由基站根据网络配置的上下文来执行。
在本申请的一个实施例中,网络侧设备可以维护转发表,以通过该转发表来确定5G LAN数据的发送位置及发送方式。具体地,如表1所示,如果不同的 5G LAN数据在终端侧基于DRB区分,则可以按DRB ID配置转发表。如DRB1的数据全部在本小区(即发送方设备所在的小区)下行进行广播;DRB 2的数据在本小区下行单播并转发到某个邻小区。
本小区下行发送方式 | 是否转发到其他小区? | |
DRB1 | 广播 | 否 |
DRB2 | 单播 | 是 |
…… | …… | …… |
表1
在本申请的另一个实施例中,如表2所示,如果不同的5G LAN数据可能属于不同的网络切片,则可以按照网络切片的ID(如S-NSSAI,即Single Network Slice Selection Assistance Information)来配置转发表。如表2所示,网络切片1的数据全部在本小区(即发送方设备所在的小区)下行进行广播;网络切片2的数据在本小区下行单播并转发到某个邻小区。
本小区下行发送方式 | 是否转发到其他小区? | |
网络切片1 | 广播 | 否 |
网络切片2 | 单播 | 是 |
…… | …… | …… |
表2
需要说明的是,实施例2的技术方案使得网络侧设备无须依赖于5G LAN设备的指示,但每个数据报文中需要携带5G LAN的组信息(如单播地址、组播地址或广播地址),以便接收方设备根据组信息决定某个数据包是否是发给自己的。
在本申请的一个实施例中,如果基站不能确定将群组数据传输到哪个小区,则可以将数据传输给5G LAN应用服务器(或网络侧的边缘计算设备),由5G LAN应用服务器决定将群组数据通过下行方式发往哪个或者哪些小区。具体地,比如若不同的5G LAN数据混用在一个DRB上,无法在接入层(Access Stratum,AS)进行区分,那么基站可以将5G LAN数据发送至5G LAN应用服务器,以在IP层以上实现5G LAN数据的转发,即在IP层以上确定5G LAN数据 需要转发至哪个小区或哪些小区,以及转发时是通过单播、组播还是广播的方式进行发送。
在本申请的一个实施例中,上述实施例中的组播和广播可以是基于单播实现的(即通过N次下行传输向N个目标终端进行发送),也可以是基于多媒体广播多播业务(Multimedia Broadcast Multicast Service,MBMS)技术实现的,还可以是基于单小区点对多点(Single Cell-Point to Multi-point,SC-PTM)技术或者其他5G中引入的新的广播机制来实现的。
本申请上述实施例的技术方案适用于未来工厂环境下使用基于5G的空中接口来高可靠传输低时延地传输工业控制设备之间地数据包,如IP包或者non-IP包,以及Ethernet包等,满足了工业互联网(Industrial Internet of Things,IIoT)对低时延和可靠性的要求。并且本申请实施例的技术方案可以集成于工业控制设备,也可以独立部署。
本申请上述实施例以在5G通信***中进行群组通信为例进行了阐述,需要说明的是,本申请实施例的技术方案同样适用于其他的无线通信***。
以下介绍本申请的装置实施例,可以用于执行本申请上述实施例中的用于无线通信***的通信方法。对于本申请装置实施例中未披露的细节,请参照本申请上述的用于无线通信***的通信方法的实施例。
图5示意性示出了根据本申请实施例所提供通信装置的框图。该通信装置可以用于本申请实施例所提供的无线通信***。
参照图5所示,根据本申请实施例提供的用于无线通信***的通信装置500,包括:接收单元502、第一获取单元504和传输单元506。
其中,接收单元502用于接收发送方设备通过上行信道发送的群组数据;第一获取单元504用于获取所述群组数据需要发送到的目标小区,以及将所述群组数据发送至所述目标小区所采用的目标传输方式;传输单元506用于基于所述目标传输方式将所述群组数据通过下行信道传输至所述目标小区,以供接收方设备进行接收。
在本申请的一个实施例中,第一获取单元504配置为:获取所述发送方设备发送的指示消息;根据所述指示消息确定所述目标小区和所述目标传输方式。
在本申请的一个实施例中,第一获取单元504配置为:获取所述发送方设备针对不同数据报文发送的所述指示消息,以确定所述不同数据报文分别对应的所述目标传输方式。
在本申请的一个实施例中,第一获取单元504配置为:从所述发送方设备发送的数据报文的指定报文头中获取所述指示消息。
在本申请的一个实施例中,所述发送方设备发送的数据报文的以太网报文头在发送前被压缩,所述指定报文头包括SDAP头、PDCP头或RLC头。
在本申请的一个实施例中,所述的用于无线通信***的通信装置500还包括:第二获取单元,用于获取用户设备所在小区的小区信息;发送单元,用于将所述用户设备所在小区的小区信息发送至所述发送方设备,以供所述发送方设备根据作为所述接收方设备的用户设备所在小区的小区信息确定所述群组数据需要发送到的目标小区。
在本申请的一个实施例中,所述第二获取单元配置为:获取所述用户设备所在的位置信息;根据所述用户设备的位置信息和小区的覆盖范围,确定所述用户设备所在小区的小区信息。
在本申请的一个实施例中,所述第二获取单元配置为:获取自身提供的所述用户设备所在需求的小区信息。
在本申请的一个实施例中,所述第二获取单元配置为:接收所述用户设备上报的小区信息。
在本申请的一个实施例中,第一获取单元504配置为:根据所述群组数据在传输时的承载方式,确定所述目标小区和所述目标传输方式。
在本申请的一个实施例中,第一获取单元504配置为:确定所述群组数据在传输时所采用的数据无线承载;将预配置的与所述群组数据在传输时所采用的数据无线承载相对应的小区及传输方式作为所述目标小区和所述目标传输方式。
在本申请的一个实施例中,第一获取单元504配置为:确定所述群组数据在传输时所在的网络切片;将预配置的与所述群组数据在传输时所在的网络切片相对应的小区及传输方式作为所述目标小区和所述目标传输方式。
在本申请的一个实施例中,所述群组数据的数据报文头中携带有群组信 息,所述群组信息用于所述接收方设备确定所述群组数据是否为发送至自身的数据。
在本申请的一个实施例中,第一获取单元504配置为:若不同类型的群组数据在传输时采用相同的数据无线承载,则将所述不同类型的群组数据发送至目标设备;获取所述目标设备确定的所述不同类型的群组数据要发送到的目标小区,以及将所述不同类型的群组数据发送至所述目标小区所采用的目标传输方式。
在本申请的一个实施例中,所述目标传输方式包括:单播、广播、组播。
图6示出了适于用来实现本申请实施例所提供电子设备的计算机***结构示意图。
需要说明的是,图6示出的电子设备的计算机***600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,计算机***600包括中央处理单元(Central Processing Unit,CPU)601,其可以根据存储在只读存储器(Read-Only Memory,ROM)602中的程序或者从存储部分608加载到随机访问存储器(Random Access Memory,RAM)603中的程序而执行各种适当的动作和处理。在RAM 603中,还存储有***操作所需的各种程序和数据。CPU 601、ROM 602以及RAM 603通过总线604彼此相连。输入/输出(Input/Output,I/O)接口605也连接至总线604。
以下部件连接至I/O接口605:包括键盘、鼠标等的输入部分606;包括诸如阴极射线管(Cathode Ray Tube,CRT)、液晶显示器(Liquid Crystal Display,LCD)等以及扬声器等的输出部分607;包括硬盘等的存储部分608;以及包括诸如LAN卡、调制解调器等的网络接口卡的通信部分609。通信部分609经由诸如因特网的网络执行通信处理。驱动器610也根据需要连接至I/O接口605。可拆卸介质611,诸如磁盘、光盘、磁光盘、半导体存储器等等,根据需要安装在驱动器610上,以便于从其上读出的计算机程序根据需要被安装入存储部分608。
特别地,根据本申请的实施例,下文参考流程图描述的过程可以被实现为计算机软件程序。例如,本申请的实施例包括一种计算机程序产品,其包括承载在计算机可读介质上的计算机程序,该计算机程序包含用于执行流程图所示 的方法的程序代码。在这样的实施例中,该计算机程序可以通过通信部分609从网络上被下载和安装,和/或从可拆卸介质611被安装。在该计算机程序被中央处理单元(CPU)601执行时,执行本申请的***中限定的各种功能。
需要说明的是,本申请实施例所示的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或者是上述两者的任意组合。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***、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可以包括但不限于:具有一个或多个导线的电连接、便携式计算机磁盘、硬盘、随机访问存储器(RAM)、只读存储器(ROM)、可擦式可编程只读存储器(Erasable Programmable Read Only Memory,EPROM)、闪存、光纤、便携式紧凑磁盘只读存储器(Compact Disc Read-Only Memory,CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。在本申请中,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***、装置或者器件使用或者与其结合使用。而在本申请中,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***、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、有线等等,或者上述的任意合适的组合。
附图中的流程图和框图,图示了按照本申请各种实施例的***、方法和计算机程序产品的可能实现的体系架构、功能和操作。在这点上,流程图或框图中的每个方框可以代表一个模块、程序段、或代码的一部分,上述模块、程序段、或代码的一部分包含一个或多个用于实现规定的逻辑功能的可执行指令。也应当注意,在有些作为替换的实现中,方框中所标注的功能也可以以不同于附图中所标注的顺序发生。例如,两个接连地表示的方框实际上可以基本并行地执行,它们有时也可以按相反的顺序执行,这依所涉及的功能而定。也要注意的是,框图或流程图中的每个方框、以及框图或流程图中的方框的组合,可 以用执行规定的功能或操作的专用的基于硬件的***来实现,或者可以用专用硬件与计算机指令的组合来实现。
描述于本申请实施例中所涉及到的单元可以通过软件的方式实现,也可以通过硬件的方式来实现,所描述的单元也可以设置在处理器中。其中,这些单元的名称在某种情况下并不构成对该单元本身的限定。
本申请实施例还提供了一种包括指令的计算机程序产品,当其在服务器上运行时,使得服务器执行上述实施例提供的通信方法。
作为另一方面,本申请还提供了一种计算机可读介质,该计算机可读介质可以是上述实施例中描述的电子设备中所包含的;也可以是单独存在,而未装配入该电子设备中。上述计算机可读介质承载有一个或者多个程序,当上述一个或者多个程序被一个该电子设备执行时,使得该电子设备实现上述实施例中所述的方法。
应当注意,尽管在上文详细描述中提及了用于动作执行的设备的若干模块或者单元,但是这种划分并非强制性的。实际上,根据本申请的实施方式,上文描述的两个或更多模块或者单元的特征和功能可以在一个模块或者单元中具体化。反之,上文描述的一个模块或者单元的特征和功能可以进一步划分为由多个模块或者单元来具体化。
通过以上的实施方式的描述,本领域的技术人员易于理解,这里描述的示例实施方式可以通过软件实现,也可以通过软件结合必要的硬件的方式来实现。因此,根据本申请实施方式的技术方案可以以软件产品的形式体现出来,该软件产品可以存储在一个非易失性存储介质(可以是CD-ROM,U盘,移动硬盘等)中或网络上,包括若干指令以使得一台计算设备(可以是个人计算机、服务器、触控终端、或者网络设备等)执行根据本申请实施方式的方法。
本领域技术人员在考虑说明书及实践这里公开的发明后,将容易想到本申请的其它实施方案。本申请旨在涵盖本申请的任何变型、用途或者适应性变化,这些变型、用途或者适应性变化遵循本申请的一般性原理并包括本申请未公开的本技术领域中的公知常识或惯用技术手段。
应当理解的是,本申请并不局限于上面已经描述并在附图中示出的精确结构,并且可以在不脱离其范围进行各种修改和改变。本申请的范围仅由所附的 权利要求来限制。
Claims (19)
- 一种用于无线通信***的通信方法,其特征在于,包括:网络侧设备接收发送方设备通过上行信道发送的群组数据;所述网络侧设备获取所述群组数据需要发送到的目标小区,以及将所述群组数据发送至所述目标小区所采用的目标传输方式;所述网络侧设备基于所述目标传输方式将所述群组数据通过下行信道传输至所述目标小区,以供接收方设备进行接收。
- 根据权利要求1所述的用于无线通信***的通信方法,其特征在于,所述网络侧设备获取所述群组数据需要发送到的目标小区,以及将所述群组数据发送至所述目标小区所采用的目标传输方式,包括:所述网络侧设备获取所述发送方设备发送的指示消息;所述网络侧设备根据所述指示消息确定所述目标小区和所述目标传输方式。
- 根据权利要求2所述的用于无线通信***的通信方法,其特征在于,所述网络侧设备获取所述发送方设备发送的指示消息,包括:所述网络侧设备获取所述发送方设备针对不同数据报文发送的所述指示消息,以确定所述不同数据报文分别对应的所述目标传输方式。
- 根据权利要求2所述的用于无线通信***的通信方法,其特征在于,所述网络侧设备获取所述发送方设备发送的指示消息,包括:所述网络侧设备从所述发送方设备发送的数据报文的指定报文头中获取所述指示消息。
- 根据权利要求4所述的用于无线通信***的通信方法,其特征在于,所述发送方设备发送的数据报文的以太网报文头在发送前被压缩,所述指定报文头包括业务数据适配协议SDAP头、分组数据汇聚协议PDCP头或无线链路层控制协议RLC头。
- 根据权利要求2所述的用于无线通信***的通信方法,其特征在于,所述方法还包括:所述网络侧设备获取用户设备所在小区的小区信息;所述网络侧设备将所述用户设备所在小区的小区信息发送至所述发送方 设备,以供所述发送方设备根据作为所述接收方设备的所述用户设备所在小区的小区信息确定所述群组数据需要发送到的目标小区。
- 根据权利要求6所述的用于无线通信***的通信方法,其特征在于,所述网络侧设备获取用户设备所在小区的小区信息,包括:所述网络侧设备获取所述用户设备的位置信息;所述网络侧设备根据所述用户设备的位置信息和小区的覆盖范围,确定所述用户设备所在小区的小区信息。
- 根据权利要求6所述的用于无线通信***的通信方法,其特征在于,所述网络侧设备获取用户设备所在小区的小区信息,包括:所述网络侧设备获取自身提供的所述用户设备所在小区的小区信息。
- 根据权利要求6所述的用于无线通信***的通信方法,其特征在于,所述网络侧设备获取用户设备所在小区的小区信息,包括:所述网络侧设备接收所述用户设备上报的小区信息。
- 根据权利要求1所述的用于无线通信***的通信方法,其特征在于,所述网络侧设备获取所述群组数据需要发送到的目标小区,以及将所述群组数据发送至所述目标小区所采用的目标传输方式,包括:所述网络侧设备根据所述群组数据在传输时的承载方式,确定所述目标小区和所述目标传输方式。
- 根据权利要求10所述的用于无线通信***的通信方法,其特征在于,所述网络侧设备根据所述群组数据在传输时的承载方式,确定所述目标小区和所述目标传输方式,包括:所述网络侧设备确定所述群组数据在传输时所采用的数据无线承载;所述网络侧设备将预配置的与所述群组数据在传输时所采用的数据无线承载相对应的小区及传输方式作为所述目标小区和所述目标传输方式。
- 根据权利要求10所述的用于无线通信***的通信方法,其特征在于,所述网络侧设备根据所述群组数据在传输时的承载方式,确定所述目标小区和所述目标传输方式,包括:所述网络侧设备确定所述群组数据在传输时所在的网络切片;所述网络侧设备将预配置的与所述群组数据在传输时所在的网络切片相 对应的小区及传输方式作为所述目标小区和所述目标传输方式。
- 根据权利要求10所述的用于无线通信***的通信方法,其特征在于,所述群组数据的数据报文头中携带有群组信息,所述群组信息用于所述接收方设备确定所述群组数据是否为发送至自身的数据。
- 根据权利要求1所述的用于无线通信***的通信方法,其特征在于,所述网络侧设备获取所述群组数据需要发送到的目标小区,以及将所述群组数据发送至所述目标小区所采用的目标传输方式,包括:若不同类型的群组数据在传输时采用相同的数据无线承载,则所述网络侧设备将所述不同类型的群组数据发送至目标设备;所述网络侧设备获取所述目标设备确定的所述不同类型的群组数据要发送到的目标小区,以及将所述不同类型的群组数据发送至所述目标小区所采用的目标传输方式。
- 根据权利要求1至14中任一项所述的用于无线通信***的通信方法,其特征在于,所述目标传输方式包括:单播、广播、组播。
- 一种用于无线通信***的通信装置,其特征在于,包括:接收单元,用于接收发送方设备通过上行信道发送的群组数据;第一获取单元,用于获取所述群组数据需要发送到的目标小区,以及将所述群组数据发送至所述目标小区所采用的目标传输方式;传输单元,用于基于所述目标传输方式将所述群组数据通过下行信道传输至所述目标小区,以供接收方设备进行接收。
- 一种计算机可读介质,其上存储有计算机程序,其特征在于,所述计算机程序被处理器执行时实现如权利要求1至15中任一项所述的用于无线通信***的通信方法。
- 一种电子设备,其特征在于,包括:一个或多个处理器;存储装置,用于存储一个或多个程序,当所述一个或多个程序被所述一个或多个处理器执行时,使得所述一个或多个处理器实现如权利要求1至15中任一项所述的用于无线通信***的通信方法。
- 一种包括指令的计算机程序产品,当其在计算机上运行时,使得所述 计算机执行权利要求1-15任意一项所述用于无线通信***的通信方法。
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