TW202021416A - Wireless communication method, and terminal device and access network device - Google Patents

Abstract

Provided are a wireless communication method, a terminal device, and an access network device, which can implement header compression of Ethernet PDUs carrying a VLAN header and not carrying a VLAN header. The method comprises: a terminal device receiving first information sent by an access network device, wherein the first information is used to indicate that a first SDAP device correspondingly processes a data packet of an Ethernet frame structure including a VLAN header or indicates that the first SDAP device correspondingly processes a data packet of an Ethernet frame structure not including the VLAN header; and the terminal device mapping the data packet of the Ethernet frame structure including the VLAN header or the data packet of the Ethernet frame structure not including the VLAN header to a first SDAP device according to the first information.

Description

Wireless communication method, terminal equipment and access network equipment

Embodiments of the present application relate to the field of communications, and more specifically, to wireless communication methods, terminal devices, and access network devices.

In the Long Term Evolution (LTE) system, the protocol data unit (PDU) session type is an Internet Protocol (IP) type, but in the fifth generation mobile communication technology The 5-Generation New Radio (5G NR) system not only supports the IP type, but also introduces the Ethernet type. For the PDU layer, when the PDU Session type is IPv4 or IPv6 or IPv4v6, the PDU Session corresponds to IPv4 packets and/or IPv6 packets; when the PDU Session type is Ethernet, the PDU Session corresponds to Is the Ethernet frame structure (frames).

In LTE and NR systems, a public network system is usually deployed, that is, a public land network based on a public land mobile network (Public Land Mobile Network, PLMN). At the same time, in some scenarios, such as office, home, factory, etc., in order to be able to manage more safely and effectively, the local network is usually deployed by local users or managers, and only authorized users with access to Get the permission of the local network.

In the scenario where the public network system and the local network coexist, when the PDU session is Ethernet frames, the Ethernet PDU may carry the virtual local area network (Virtual Local Area Network, VLAN) prefix, or may not carry the VLAN prefix. The corresponding Ethernet frame structure is different. In the header compression process, the header compression algorithms used by the two PDUs are different. Therefore, how to implement header compression of Ethernet PDUs carrying VLAN headers and not carrying VLAN headers is an urgent problem to be solved.

Embodiments of the present application provide a wireless communication method, a terminal device, and an access network device. The terminal device can send a packet of an Ethernet frame structure that includes a VLAN prefix or data of an Ethernet frame structure that does not include a VLAN prefix. Packets are mapped to Service Data Adaptation Protocol (SDAP) equipment, so that header compression of Ethernet PDUs that carry VLAN headers and those that do not.

In a first aspect, a wireless communication method is provided. The method includes:

The terminal device receives the first information sent by the access network device, and the first information is used to indicate that the first SDAP device of the terminal device correspondingly processes the data packet including the Ethernet frame structure of the VLAN header or indicates the first An SDAP device corresponds to a packet with an Ethernet frame structure that does not include the VLAN prefix;

Based on the first information, the terminal device maps an Ethernet frame structure data packet including a VLAN header or an Ethernet frame structure data packet not including a VLAN header to the first SDAP of the terminal device equipment.

It should be noted that this method can be applied in a scenario where a public network system and/or a local network scenario, and/or a public network system and a local network coexist.

Specifically, before the terminal device receives the first information, the method further includes:

The terminal device reports the support capability for header compression and de-header compression of the entire Ethernet frame structure, or the support capability for header compression and de-header compression of the Ethernet header and data column, respectively, It is used to indicate whether the terminal device supports header compression of the Ethernet frame structure and/or whether it supports header compression of the Ethernet frame structure of the VLAN header.

In a second aspect, a wireless communication method is provided. The method includes:

The access network device sends first information to the terminal device, where the first information is used to instruct the first SDAP device of the terminal device to process the data packet including the Ethernet frame structure including the VLAN header or to indicate the The first SDAP device of the terminal device corresponds to the data packet of the Ethernet frame structure excluding the VLAN prefix.

Specifically, the first information includes first indication information, and the first indication information is used to indicate that the first SDAP device of the terminal device correspondingly processes a packet with an Ethernet frame structure including a VLAN header or Instructing that the first SDAP device of the terminal device correspondingly processes a data packet of an Ethernet frame structure that does not include a VLAN prefix.

Specifically, the first information is radio resource control RRC signal, or system block SIB information.

Specifically, if the first information is an RRC signal, the first indication information is carried in data radio bearer DRB configuration information or SDAP configuration information.

Specifically, the first indication information occupies 1 bit resource.

Specifically, the method further includes:

The access network device extends the DRB logo from 1~32 to 1~64.

Specifically, the first information further includes PDCP configuration information of the first packet-separating data aggregation protocol, and the first PDCP configuration information is used to configure the terminal device to support the use of packets with an Ethernet frame structure including a VLAN prefix The header compression configuration of the VLAN, and/or, the first PDCP configuration information is used for the terminal device to use a header compression configuration that does not support VLAN in the packet of the Ethernet frame structure that does not include the VLAN header.

Specifically, the first information includes first SDAP configuration information, and the first SDAP configuration information is used to configure a first preset DRB and/or a second preset DRB, and the first preset DRB is used for mapping including In the data packet of the Ethernet frame structure of the VLAN prefix, the second preset DRB is used to map the data packet of the Ethernet frame structure not including the VLAN prefix.

Specifically, the VLAN-related information is a mapping relationship between a service quality QoS data flow identifier and a VLAN, or is Ethernet PDU information including VLAN information.

Specifically, before the access network device sends the first information, the method further includes:

The access network device receives the support capability for header compression and de-header compression of the entire Ethernet frame structure reported by the terminal device, or separately reports header compression for the Ethernet header and data column The support capability of reconciling header compression is used to indicate whether the terminal device supports header compression of the Ethernet frame structure and/or whether it supports header compression of the Ethernet frame structure of the VLAN header.

Specifically, before the access network device sends the first information, the method further includes:

The access network device determines the first information according to at least one of user capability, QoS data flow, and VLAN indication, where the user capability is used to indicate whether the terminal device supports the Ethernet frame structure Header compression and/or whether header compression of the Ethernet frame structure of the VLAN header is supported, and the VLAN indication is used to indicate whether the Ethernet frame structure of the PDU session data flow includes a VLAN domain.

Specifically, the user capability is reported by the terminal device, and the VLAN indication is obtained from the core network device.

In a third aspect, a terminal device is provided for performing the method in the above-mentioned first aspect or various implementations thereof.

Specifically, the terminal device includes a functional module for performing the method in the above-mentioned first aspect or various implementations thereof.

The terminal equipment includes:

The communication unit is used to receive the first information sent by the access network device, and the first information is used to indicate that the first service data adaptation protocol of the terminal device adapts to the SDAP device to include the VLAN prefix of the virtual local area network. A data packet with an Ethernet frame structure or indicating that the first SDAP device of the terminal device corresponds to a data packet with an Ethernet frame structure that does not include a VLAN prefix;

The processing unit is configured to map a packet with an Ethernet frame structure including a VLAN header or a packet with an Ethernet frame structure not including a VLAN header to the first device based on the first information SDAP equipment.

Specifically, the first information includes first SDAP configuration information, and the first SDAP configuration information is used to configure a first preset DRB and/or a second preset DRB, and the first preset DRB is used for mapping including A packet with an Ethernet frame structure of a VLAN prefix, and the second preset DRB is used to map a packet with an Ethernet frame structure that does not include a VLAN prefix;

The processing unit is specifically used for:

According to the first SDAP configuration information and VLAN-related information, a packet with an Ethernet frame structure that includes a VLAN header or a packet with an Ethernet frame structure that does not include a VLAN header is mapped to the first An SDAP device.

Specifically, the VLAN-related information is a mapping relationship between a service quality QoS data flow identifier and a VLAN, or is Ethernet PDU information including VLAN information.

Specifically, if a first preset DRB is configured on the first SDAP device of the terminal device, and the first preset DRB is used to map a data packet including an Ethernet frame structure of a VLAN prefix, the processing The unit is also used to map the QoS data flow to the DRB according to the first rule,

Wherein, the first rule is to perform header compression for the Ethernet frame structure supporting VLAN for the first default DRB, and select a DRB that does not support VLAN as the target for the Ethernet frame structure not supporting VLAN Head compression.

Specifically, if a second preset DRB is configured on the first SDAP device of the terminal device, and the second preset DRB is used to map a data packet that does not include a VLAN header Ethernet frame structure, the The processing unit is also used to map the QoS data flow to the DRB according to the second rule,

Wherein, the second rule is to perform header compression on the second preset DRB that does not support the Ethernet frame structure of VLAN, and select a DRB that supports VLAN as the header that supports the Ethernet frame structure of VLAN compression.

Specifically, if a first preset DRB or a second preset DRB is configured on the first SDAP device of the terminal device, and the first preset DRB is used to map an Ethernet frame structure including a VLAN prefix Data packet, the second preset DRB is used to map the data packet of the Ethernet frame structure that does not include the VLAN prefix, and the processing unit is further used to map the QoS data flow to the DRB according to the third rule,

Among them, the third rule is to select another DRB that supports VLAN as the header compression for the Ethernet frame structure that supports VLAN and another DRB that does not support VLAN as the target for the Ethernet frame structure that does not support VLAN. Head compression.

According to a fourth aspect, an access network device is provided for executing the method in the second aspect or its implementations.

Specifically, the access network device includes a functional module for performing the method in the above-mentioned second aspect or various implementations thereof.

The access network equipment includes:

The communication unit is used to send first information to the terminal device, and the first information is used to indicate that the first service data adaptation agreement SDAP device of the terminal device corresponds to the Ethernet including the virtual area network VLAN prefix The data packet of the frame structure or the first SDAP device indicating that the terminal device corresponds to the data packet of the Ethernet frame structure that does not include the VLAN prefix.

Specifically, the first information includes first indication information, and the first indication information is used to indicate that the first SDAP device of the terminal device correspondingly processes a packet with an Ethernet frame structure including a VLAN header or Instructing that the first SDAP device of the terminal device correspondingly processes a data packet of an Ethernet frame structure that does not include a VLAN prefix.

Specifically, the first information is radio resource control RRC signal, or system block SIB information.

Specifically, if the first information is an RRC signal, the first indication information is carried in data radio bearer DRB configuration information or SDAP configuration information.

Specifically, the first indication information occupies 1 bit resource.

Specifically, the access network device further includes:

The processing unit is used to extend the DRB logo from 1 to 32 to 1 to 64.

Specifically, the first information further includes first PDCP configuration information, and the first PDCP configuration information is used to configure the terminal device to adopt a VLAN-capable header for the Ethernet frame structure packet including the VLAN prefix Compression configuration, and/or, the first PDCP configuration information is used for the terminal device to use a header compression configuration that does not support VLAN in a packet of an Ethernet frame structure that does not include a VLAN header.

Specifically, the first information includes first SDAP configuration information, and the first SDAP configuration information is used to configure a first preset DRB and/or a second preset DRB, and the first preset DRB is used for mapping including In the data packet of the Ethernet frame structure of the VLAN prefix, the second preset DRB is used to map the data packet of the Ethernet frame structure not including the VLAN prefix.

Specifically, the VLAN-related information is a mapping relationship between a service quality QoS data flow identifier and a VLAN, or is Ethernet PDU information including VLAN information.

Specifically, before the communication unit sends the first information, the communication unit is also used to receive the support capability reported by the terminal device for header compression and decompression of the entire Ethernet frame structure, Or, separately report support for header compression and decompression of headers and headers in the Ethernet column to indicate whether the terminal device supports header compression of the Ethernet frame structure and/or whether it supports VLAN words The header of the Ethernet frame structure is compressed.

Specifically, before the communication unit sends the first information, the access network device further includes:

The processing unit is configured to determine the first information according to at least one of user capability, QoS data flow, and VLAN indication, wherein the user capability is used to indicate whether the terminal device supports the Ethernet frame structure standard Header compression and/or whether header compression of the Ethernet frame structure of the VLAN header is supported, and the VLAN indication is used to indicate whether the Ethernet frame structure of the PDU session data flow includes a VLAN field.

Specifically, the user capability is reported by the terminal device, and the VLAN indication is obtained from the core network device.

In a fifth aspect, a terminal device is provided, including a processor and a memory. The memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the first aspect or various implementations thereof.

In a sixth aspect, an access network device is provided, including a processor and a memory. The memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in the second aspect or each implementation manner thereof.

According to a seventh aspect, a wafer is provided for implementing any one of the above-mentioned first to second aspects or the method in each of the implementations thereof.

Specifically, the chip includes: a processor for calling and running a computer program from the memory, so that the device installed with the chip executes any one of the first aspect to the second aspect described above or various implementations thereof Methods.

According to an eighth aspect, a computer-readable storage medium is provided for storing a computer program, which causes the computer to execute the method in any one of the above first to second aspects or the respective implementations thereof.

According to a ninth aspect, a computer program product is provided, which includes computer program instructions that cause a computer to execute the method in any one of the above first to second aspects or in various implementations thereof.

According to a tenth aspect, there is provided a computer program which, when run on a computer, causes the computer to execute the method in any one of the above first to second aspects or in various implementations thereof.

Through the above technical solution, the terminal device can map the packet with the Ethernet frame structure including the VLAN header or the packet with the Ethernet frame structure not including the VLAN header to the SDAP device, so that the VLAN header can be carried And header compression for Ethernet PDUs that do not carry VLAN prefixes.

Further, based on the configuration of the access network device, the terminal device may map the data packet of the Ethernet frame structure including the VLAN header or the data packet of the Ethernet frame structure not including the VLAN header to the SDAP device.

The technical solutions in the embodiments of the present application will be described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, but not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present application.

The technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile Communication (GSM) system, Code Division Multiple Access (CDMA) system, and Broadband Code Division Multiple Access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (GPRS), Long Term Evolution (LTE) system, LTE Frequency Division Duplex (FDD) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunication System (UMTS), Global Interoperability for Microwave Access (WiMAX) communication system or 5G system, etc.

Exemplarily, the communication system 100 applied in the embodiment of the present application is shown in FIG. 1. The communication system 100 may include a terminal device 110, which may be located within the coverage of the access network device 120. As used herein, "terminal equipment" includes but is not limited to connection via wired lines, such as via Public Switched Telephone Networks (PSTN), Digital Subscriber Line (DSL), digital cables, and direct cable connections Cable; and/or another data connection/network; and/or via a wireless interface, eg, for cellular networks, wireless local area networks (Wireless Local Area Network, WLAN), digital TV networks such as DVB-H networks Road, satellite network, AM-FM broadcast transmitter; and/or another terminal device set to receive/transmit communication signals; and/or Internet of Things (IoT) equipment. Terminal devices configured to communicate through a wireless interface may be referred to as "wireless communication terminals", "wireless terminals", or "mobile terminals". Examples of mobile terminals include, but are not limited to, satellites or mobile phones; Personal Communications System (PCS) terminals that can combine cellular radiotelephones with data processing, fax, and data communication capabilities; can include radiotelephones, pagers, and Internet /Intranet access, Web browser, notepad, calendar, and/or Global Positioning System (GPS) receiver PDA; and conventional laptop and/or palm-type receivers or including radio telephone transceivers Other electronic devices. Terminal equipment can refer to access terminal, user equipment (User Equipment, UE), user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless Communication equipment, user agent or user device. The access terminal may be a mobile phone, a wireless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), or a wireless communication function Handheld devices, computing devices, or other processing devices connected to wireless modems, in-vehicle devices, wearable devices, terminal devices in 5G networks, or terminal devices in PLMN that will evolve in the future.

The communication system 100 may include an access network device 120, and the access network device 120 may be a device that communicates with the terminal device 110 (or referred to as a communication terminal or terminal). The access network device 120 can provide communication coverage for a specific geographic area, and can communicate with terminal devices located in the coverage area. Optionally, the access network device 120 may be a base station (Base Transceiver Station, BTS) in the GSM system or CDMA system, may also be a Node B (NodeB, NB) in the WCDMA system, or may be an LTE system. Evolutionary Node B (Evolutional Node B, eNB or eNodeB), or a wireless controller in the Cloud Radio Access Network (CRAN), or the network equipment can be a mobile switching center, a relay station, a storage Access points, in-vehicle devices, wearable devices, hubs, switches, bridges, routers, network-side devices in 5G networks or network devices in future public land mobile networks (PLMN) Wait.

The wireless communication system 100 also includes a core network device 130 that communicates with the access network device. Optionally, the core network device 130 may be a 5G core network device, for example, an access and mobility management function (Access and Mobility Management Function, AMF), which is responsible for access and mobility management, and has the functions of authenticating and switching users , Location update and other functions. For another example, the Session Management Function (SMF) is responsible for session management, including the establishment, modification, and release of packet data unit (PDU) sessions. For another example, the user plane function (UPF) is responsible for forwarding user data. The core network device may be the core network device of the LTE system or other systems.

Alternatively, the 5G system or 5G network may also be referred to as a New Radio (NR) system or NR network.

In the embodiment of the present application, the access network device provides services for the cell, and the terminal device communicates with the network device through the transmission resources (for example, frequency domain resources, or spectrum resources) used by the cell. The cell may be a network The cell corresponding to the road equipment (such as a base station). The cell may belong to a macro base station or a base station corresponding to a small cell (Small cell). The small cell here may include: an urban cell (Metro cell) and a micro cell (Micro cells, pico cells, femto cells, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.

It should be understood that the Packet Data Convergence Protocol (PDCP) protocol introduces header compression and decompression functions, used to support different data radio bearers (Data Radio Bearer, DRB), according to the configuration of the header compression configuration ( profile) Use different header compression and header compression parameters. PDCP uses the Robust Information Header Compression (ROHC) protocol. The supported header compression protocols (protocols) and profiles (profiles) are shown in Table 1 below. Specifically, as shown in Table 1 below, the compressed objects with different header compression configurations may be Real-time Transport Protocol (RTP), IP, User Datagram Protocol (UDP), and encapsulated security At least one of Encapsulating Security Payload (ESP) and No Compression (No compression). The compression strategy can be specifically the RFC (Request For Comments) series of files shown in Table 1 below.

Table 1

Optionally, the embodiments of the present application may be used in public land networks or local networks.

The public land network may be a public land network based on PLMN.

The local network can also be referred to as a local area network or a private network. The local network is usually deployed in office scenes, home scenes, and factories, which can achieve more effective and safe management, usually with local users or managers. Local network. Generally, authorized users who have access have access to the local network.

The local network may be managed or governed by a public land network, but it may or may not be managed or governed by a public land network.

Alternatively, the local network may use unlicensed frequency bands for communication, or it may share the authorized frequency band with a public land network.

Alternatively, the local network may be a network belonging to the 3GPP category. The core network of the local network may be the core network of NR or LTE, and the local network may be accessed to the core network through the NR access network, LTE access network, or wireless fidelity (Wireless Fidelity, Wifi).

Optionally, in the embodiment of the present application, the public land network and the local network may share the core network, and the access network is independent; or, the access network may be shared, and the core network is independent; or, may The access network and the core network are shared; alternatively, the access network and the core network are not shared.

Optionally, in the embodiments of the present application, multiple or multiple local networks may share the core network and the access network is independent; or, the access network may be shared and the core network is independent; or, may be shared Access network and core network; or, access network and core network are not shared.

It should be noted that, in a public network system, and/or a local network scenario, and/or a scenario where a public network system and a local network coexist, when the PDU session is an Ethernet frame, the Ethernet PDU may carry the VLAN word. The header may not carry the VLAN prefix, and the corresponding Ethernet frame structure is different. In the header compression process, the header compression algorithms used by the two PDUs are different. At this stage, there is no distinction processing for this scenario. Therefore, the header compression of Ethernet PDUs carrying VLAN headers and not carrying VLAN headers cannot be achieved. Based on the above problems, the present application proposes a method for configuring the Ethernet frame header compression.

It should be understood that, in the embodiments of the present application, the network side entity is not limited to the access network device, but may also be a core network device. Correspondingly, the processing layer of the terminal device and the network device may be the SDAP layer and the PDCP layer, or may be other entities or layers.

It should also be understood that, in the embodiments of the present application, the SDAP device may also be called a PDCP layer, and the PDCP device may also be called a PDCP layer.

FIG. 2 is a schematic flowchart of a wireless communication method 200 according to an embodiment of the present application. As shown in FIG. 2, the method 200 may include the following content:

S210. The terminal device receives the first information sent by the access network device. The first information is used to instruct the first SDAP device of the terminal device to process the data packet including the Ethernet frame structure including the VLAN header or to indicate the The first SDAP device of the terminal device corresponds to a packet with an Ethernet frame structure that does not include the VLAN prefix;

S220, according to the first information, the terminal device maps a packet of an Ethernet frame structure including a VLAN header or a packet of an Ethernet frame structure not including a VLAN header to the first SDAP device of the terminal device .

Optionally, in the embodiment of the present application, the terminal device may also receive the first information sent by the core network device, that is, the core network device may directly configure the first information for the terminal device, and the core network device may, for example, Is an AMF device, or UPF device. Similarly, the following descriptions about access network devices are also applicable to core network devices. In the following, the terminal device receives the first information from the access network device as an example for specific explanation.

It should be noted that the first SDAP device is laid out on the side of the terminal device. At the same time, this application only uses the first SDAP device laid out on the terminal device side as an example for description, and other SDAP devices laid out on the terminal device side are also applicable.

It should also be noted that the corresponding processing of the first SDAP device is to map a quality of service flow (Quality of Service Flow, QoS Flow) to a data radio bearer (Data Radio Bearer, DRB).

Optionally, in the embodiment of the present application, the first SDAP device of the terminal device delivers the mapped data packet to the first PDCP device of the terminal device;

The first PDCP device of the terminal device performs header compression on the data packet including the VLAN header using the header compression method corresponding to the VLAN header, or uses the label excluding the VLAN header corresponding to the data packet not including the VLAN header The header compression method performs header compression.

It should be noted that the first PDCP device is laid out on the terminal device side. At the same time, this application only uses the first PDCP device laid out on the terminal device side as an example for description, and other PDCP devices laid out on the terminal device side are also applicable.

Optionally, in the embodiment of the present application, the first information may be a radio resource control (Radio Resource Control, RRC) signal, or system information (System Information Block, SIB) information.

Specifically, the first information includes first indication information, and the first indication information used for the first SDAP device to process the data packet including the Ethernet frame structure of the VLAN header or to instruct the first SDAP device to process correspondingly It is a data packet that does not include the Ethernet frame structure of the VLAN prefix. Further, according to the first instruction information, the terminal device maps the data packet of the Ethernet frame structure including the VLAN header or the data packet of the Ethernet frame structure not including the VLAN header to the first SDAP device.

Optionally, if the first information is an RRC signal, the first indication information may be carried in DRB configuration information and occupy 1 bit resource. The DRB configuration information is, for example, a DRB-ToAddMod message.

Optionally, if the first information is an RRC signal, the first indication information may be carried in SDAP configuration information and occupy 1 bit resource. The SDAP configuration information may be, for example, an SDAP-Config message.

Optionally, in the embodiment of the present application, the terminal device may extend the DRB identifier from 1~32 to 1~64.

It should be noted that the extension of the DRB logo from 1 to 32 to 1 to 64 can meet the requirements of packets with an Ethernet frame structure that includes a VLAN prefix and packets with an Ethernet frame structure that does not include a VLAN prefix. Identify requirements.

Optionally, in the embodiment of the present application, the first information may further include first PDCP configuration information, and the first PDCP configuration information is used to configure a packet with an Ethernet frame structure including a VLAN prefix to support VLAN Header compression configuration, and/or, the first PDCP configuration information is used to configure the packet of the Ethernet frame structure that does not include the VLAN header to a header compression configuration that does not support VLAN.

That is to say, the access network device configures a header compression profile that supports the VLAN header for packets with an Ethernet frame structure that includes a VLAN header, and a packet that has an Ethernet frame structure that does not include a VLAN header. , Configure header compression profile that does not support VLAN prefix.

Specifically, according to the first PDCP configuration information, the terminal device may perform compression or decompression of the header of the Ethernet frame structure including the VLAN header to support VLAN header compression, and/or will not include the VLAN header Packets of the Ethernet frame structure are compressed or decompressed without supporting VLAN headers.

Optionally, in the embodiment of the present application, the first information includes first SDAP configuration information, and the first SDAP configuration information is used to configure a first preset DRB and/or a second preset DRB, the first preset The DRB is used to map data packets that include the Ethernet frame structure of the VLAN header. The second preset DRB is used to map data packets that do not include the Ethernet frame structure of the VLAN header.

It should be noted that the first preset DRB or the second preset DRB may be the original preset DRB stored on the terminal device side, that is, the access network device may only newly configure a preset DRB. Of course, the The access network device can also be configured with two new preset DRBs.

Optionally, the first SDAP configuration information is directed to all SDAP devices on the terminal device side.

Specifically, according to the first SDAP configuration information and VLAN-related information, the terminal device maps a packet with an Ethernet frame structure including a VLAN header or a packet with an Ethernet frame structure not including a VLAN header to the The first SDAP device.

For example, if the first preset DRB is configured on the first SDAP device, the terminal device maps the data packet including the Ethernet frame structure of the VLAN prefix to the first SDAP device.

For another example, if the first preset DRB is configured on the first SDAP device, the terminal device maps the data packet including the Ethernet frame structure of the VLAN prefix to the first SDAP device; and/or, the terminal The device maps packets with an Ethernet frame structure that do not include a VLAN header to other DRBs or one of the other DRBs that can map packets with a VLAN header that correspond to the same PDU-session, or The terminal device maps the data packet of the Ethernet frame structure that does not include the VLAN header to the original preset DRB stored on the terminal device side.

For another example, if the second preset DRB is configured on the first SDAP device, the terminal device maps the data packet of the Ethernet frame structure that does not include the VLAN prefix to the first SDAP device.

For another example, if the second preset DRB is configured on the first SDAP device, the terminal device maps the data packet of the Ethernet frame structure that does not include the VLAN prefix to the first SDAP device; and/or The terminal device maps the data packet including the Ethernet frame structure of the VLAN header to other DRB or one of the other DRBs corresponding to the same PDU-session that can map the data packet without the Ethernet frame structure of the VLAN header, Or, the terminal device maps the data packet including the Ethernet frame structure of the VLAN prefix to the original preset DRB stored on the terminal device side.

For another example, if the first preset DRB is configured on the first SDAP device and the second preset DRB is configured on the second SDAP device, the terminal device may store the data of the Ethernet frame structure including the VLAN prefix The packet is mapped to the first SDAP device, or the data packet of the Ethernet frame structure that does not include the VLAN header may be mapped to the second SDAP device.

It should be noted that the first SDAP device and the second SDAP device are the same device and correspond to different PDCP entities;

Or the first SDAP device and the second SDAP device are different devices.

Optionally, the VLAN-related information is the mapping relationship between the QoS Flow ID and the VLAN, or is Ethernet PDU information including VLAN information. The VLAN-related information may be pre-configured, or may be notified by the network side, or may be obtained interactively between various layers of the user.

Optionally, as an example, if a first preset DRB is configured on the first SDAP device, and the first preset DRB is used to map a data packet including an Ethernet frame structure of a VLAN prefix, the terminal device The QoS data flow is mapped to DRB according to the first rule.

Among them, the first rule is to perform header compression for the Ethernet frame structure supporting VLAN for the first preset DRB, and select a DRB that does not support VLAN to perform header compression for Ethernet frame structure that does not support VLAN .

Optionally, as another example, if a second preset DRB is configured on the first SDAP device, and the second preset DRB is used to map the data packet of the Ethernet frame structure that does not include the VLAN prefix, the The terminal device maps the QoS data flow to the DRB according to the second rule.

Wherein, the second rule is to perform header compression of the Ethernet frame structure that does not support VLAN for the second preset DRB, and select a DRB that supports VLAN to perform header compression of the Ethernet frame structure that supports VLAN.

Optionally, as another example, if the first preset DRB or the second preset DRB is configured on the first SDAP device, and the first preset DRB is used to map an Ethernet frame structure including a VLAN prefix Data packet, the second preset DRB is used to map the data packet of the Ethernet frame structure that does not include the VLAN prefix, and the terminal device maps the QoS data flow to the DRB according to the third rule.

Among them, the third rule is to select another DRB that supports VLAN as the header compression for the Ethernet frame structure that supports VLAN, and another one to select a DRB that does not support VLAN as the header frame structure that does not support VLAN. compression.

It should be noted that, in the above example, there may be a mapping relationship between uplink QoS Flow and DRB at the terminal device, or there may be no mapping relationship between uplink QoS Flow and DRB.

Optionally, in the embodiment of the present application, before receiving the first information, the terminal device reports the support capability for header compression and de-header compression of the entire Ethernet frame structure, or separately reports to B Support for header compression and de-header compression in the Ethernet header and data column, used to indicate whether the terminal device supports header compression of the Ethernet frame structure and/or whether it supports the Ethernet header structure of the VLAN header Header compression.

It should be noted that the information reported by the terminal device is used to assist the access network device to determine the first information.

Therefore, in the embodiment of the present application, the terminal device may map the data packet of the Ethernet frame structure including the VLAN header or the data packet of the Ethernet frame structure not including the VLAN header to the SDAP device, so that it can be realized Header compression for Ethernet PDUs that carry VLAN headers and those that do not.

Further, based on the configuration of the access network device, the terminal device may map the data packet of the Ethernet frame structure including the VLAN header or the data packet of the Ethernet frame structure not including the VLAN header to the SDAP device.

FIG. 3 is a schematic flowchart of a wireless communication method 300 according to an embodiment of the present application. As shown in FIG. 3, the method 300 may include the following content:

S310. The access network device sends first information to the terminal device. The first information is used to indicate that the first SDAP device of the terminal device corresponds to a packet with an Ethernet frame structure including a VLAN header or to instruct the terminal. The first SDAP device of the device corresponds to a packet with an Ethernet frame structure that does not include the VLAN prefix.

Optionally, in the embodiment of the present application, the core network device may also send the first information, that is, the core network device may directly configure the first information for the terminal device, and the core network device may be, for example, an AMF device, or UPF equipment. Similarly, the following descriptions about access network devices are also applicable to core network devices. The following uses the access network device to send the first information as an example for specific explanation.

Optionally, in the embodiment of the present application, the first information includes first indication information, and the first indication information is used by the first SDAP device to process data packets including an Ethernet frame structure including a VLAN prefix or Instructs the first SDAP device to process the data packet of the Ethernet frame structure that does not include the VLAN prefix.

Optionally, the first information is an RRC signal, or SIB information.

Optionally, if the first information is an RRC signal, the first indication information is carried in DRB configuration information or SDAP configuration information. For example, the first indication information occupies 1 bit resource.

Optionally, the access network device extends the DRB logo from 1~32 to 1~64.

Optionally, in the embodiment of the present application, the first information further includes first PDCP configuration information, and the first PDCP configuration information is used to configure the terminal device to configure the packet configuration of the Ethernet frame structure including the VLAN prefix To support VLAN header compression configuration, and/or, the first PDCP configuration information is used by the terminal device to configure a packet of the Ethernet frame structure that does not include a VLAN header to not support VLAN header compression configuration.

Optionally, in the embodiment of the present application, the first information includes first SDAP configuration information, and the first SDAP configuration information is used to configure a first preset DRB and/or a second preset DRB, the first preset The DRB is used to map data packets that include the Ethernet frame structure of the VLAN header. The second preset DRB is used to map data packets that do not include the Ethernet frame structure of the VLAN header.

Optionally, the VLAN-related information is the mapping relationship between the QoS Flow ID and the VLAN, or is Ethernet PDU information including VLAN information. The VLAN-related information may be pre-configured, or may be notified by the network side, or may be obtained interactively between various layers of the user.

Optionally, in the embodiment of the present application, before the access network device sends the first information, the access network device receives the header compression and de-header for the entire Ethernet frame structure reported by the terminal device Support for compression, or, respectively, reporting support for header compression and decompression of headers and headers in the Ethernet column to indicate whether the terminal device supports header compression and/or Ethernet frame structure Whether to support the header compression of the Ethernet frame structure of the VLAN prefix.

It should be noted that the terminal device can report the support capability for header compression and de-header compression of the entire Ethernet frame structure by means of capability reporting, or report the header and data of the Ethernet respectively The column header compression and de-header compression support capabilities.

Optionally, in the embodiment of the present application, before the access network device sends the first information, the access network device determines the first information according to at least one of user capabilities, QoS data flow, and VLAN indication. , Where the user capability is used to indicate whether the terminal device supports header compression of the Ethernet frame structure and/or whether it supports header compression of the Ethernet frame structure of the VLAN header, the VLAN indication is used to indicate the PDU Whether the Ethernet frame structure of the session data flow includes the VLAN domain.

Optionally, the user capability is reported by the terminal device, and the VLAN indication is obtained from the core network device.

For example, the VLAN indication is obtained by the access network device through the User Plane Function (UPF) device or the Access and Mobility Management Function (AMF) device.

Optionally, in the embodiment of the present application, the access network device determines the service mapping and configuration criteria and configures the SDAP configuration and PDCP configuration of each DRB based on user capabilities, QoS, VLAN indication and other information. The configured DRB is mapped to only one Ethernet frame type, that is, either an Ethernet frame type that includes a VLAN header or a type that does not include an Ethernet frame.

For example, business mapping and configuration guidelines include but are not limited to the following:

Data flows with the same or similar QoS characteristics can be mapped into a DRB;

The data flow corresponding to an Ethernet frame with a VLAN header cannot be mapped to the same DRB as the data flow corresponding to an Ethernet frame without a VLAN header;

Data flows mapped to different ports of the same PDU session cannot be mapped to a DRB.

It should be understood that, for the steps in the wireless communication method 300, reference may be made to the corresponding steps in the wireless communication method 200, and for the sake of brevity, no further description is provided here.

Therefore, in the embodiment of the present application, the terminal device may map the data packet of the Ethernet frame structure including the VLAN header or the data packet of the Ethernet frame structure not including the VLAN header to the SDAP device, so that it can be realized Header compression for Ethernet PDUs that carry VLAN headers and those that do not.

Further, based on the configuration of the access network device, the terminal device may map the data packet of the Ethernet frame structure including the VLAN header or the data packet of the Ethernet frame structure not including the VLAN header to the SDAP device.

FIG. 4 shows a schematic block diagram of a terminal device 400 according to an embodiment of the present application. As shown in FIG. 4, the terminal device 400 includes:

The communication unit 410 is configured to receive the first information sent by the access network device, and the first information is used to indicate that the first SDAP device of the terminal device corresponds to the data of the Ethernet frame structure including the VLAN prefix A packet or an instruction indicating that the first SDAP device of the terminal device correspondingly processes a data packet of an Ethernet frame structure that does not include a VLAN prefix;

The processing unit 420 is configured to map the data packet of the Ethernet frame structure including the VLAN header or the data packet of the Ethernet frame structure not including the VLAN header to the first device according to the first information An SDAP device.

Optionally, the processing unit 420 is also used to:

Controlling the first SDAP device of the terminal device to deliver the mapped data packet to the first PDCP device of the terminal device;

Control the first PDCP device of the terminal device to perform header compression on the data packet including the VLAN header by using the header compression method corresponding to the VLAN header, or to correspond to the data packet not including the VLAN header by not including the VLAN header The header compression method performs header compression.

Optionally, the first information includes first indication information, and the first indication information is used to indicate that the first SDAP device of the terminal device correspondingly processes a packet with an Ethernet frame structure including a VLAN header Or indicating that the first SDAP device of the terminal device corresponds to a packet with an Ethernet frame structure that does not include a VLAN prefix;

The processing unit 420 is specifically used to:

According to the first instruction information, the data packet including the Ethernet frame structure of the VLAN header or the data packet not including the VLAN frame structure is mapped to the first SDAP device of the terminal device.

Optionally, the first information is RRC signal or SIB information.

Optionally, if the first information is an RRC signal, the first indication information is carried in DRB configuration information or SDAP configuration information.

Optionally, the first indication information occupies 1 bit resource.

Optionally, the processing unit 420 is further configured to extend the DRB logo from 1 to 32 to 1 to 64.

Optionally, the first information further includes first PDCP configuration information, and the first PDCP configuration information is used to use a header compression configuration that supports VLAN for a packet with an Ethernet frame structure including a VLAN header, and And/or, the first PDCP configuration information is used to adopt a header compression configuration that does not support VLAN in the data packet of the Ethernet frame structure that does not include the VLAN header.

Optionally, the first information includes first SDAP configuration information, the first SDAP configuration information is used to configure a first preset DRB and/or a second preset DRB, and the first preset DRB is used for mapping A data packet including the Ethernet frame structure of the VLAN prefix, and the second preset DRB is used to map a data packet of the Ethernet frame structure not including the VLAN prefix;

The processing unit 420 is specifically used to:

According to the first SDAP configuration information and VLAN-related information, a packet with an Ethernet frame structure that includes a VLAN header or a packet with an Ethernet frame structure that does not include a VLAN header is mapped to the first An SDAP device.

Optionally, the VLAN-related information is the mapping relationship between the QoS Flow ID and the VLAN, or is Ethernet PDU information including VLAN information. The VLAN-related information may be pre-configured, or may be notified by the network side, or may be obtained interactively between various layers of the user.

Optionally, if a first preset DRB is configured on the first SDAP device of the terminal device, and the first preset DRB is used to map a data packet including an Ethernet frame structure of a VLAN prefix, the The processing unit 420 is also used to map the QoS data flow to the DRB according to the first rule.

Wherein, the first rule is to perform header compression for the Ethernet frame structure supporting VLAN for the first default DRB, and select a DRB that does not support VLAN as the target for the Ethernet frame structure not supporting VLAN Head compression.

Optionally, if a second preset DRB is configured on the first SDAP device of the terminal device, and the second preset DRB is used to map a data packet that does not include a VLAN prefix in the Ethernet frame structure, The processing unit 420 is also used to map the QoS data flow to the DRB according to the second rule.

Wherein, the second rule is to perform header compression on the second preset DRB that does not support the Ethernet frame structure of VLAN, and select a DRB that supports VLAN as the header that supports the Ethernet frame structure of VLAN compression.

Optionally, if a first preset DRB or a second preset DRB is configured on the first SDAP device of the terminal device, and the first preset DRB is used to map an Ethernet frame structure including a VLAN prefix For the data packet, the second preset DRB is used to map the data packet of the Ethernet frame structure that does not include the VLAN header. The processing unit 420 is also used to map the QoS data flow to the DRB according to the third rule.

Among them, the third rule is to select another DRB that supports VLAN as the header compression for the Ethernet frame structure that supports VLAN and another DRB that does not support VLAN as the target for the Ethernet frame structure that does not support VLAN. Head compression.

Optionally, before the communication unit 410 receives the first information, the communication unit 410 is also used to report support for header compression and de-header compression of the entire Ethernet frame structure, or, respectively Reporting support for header compression and decompression of headers and headers in the Ethernet column, used to indicate whether the terminal device supports header compression of the Ethernet frame structure and/or whether it supports Ethernet header B The header compression of the Ethernet frame structure.

It should be understood that the terminal device 400 according to the embodiment of the present application may correspond to the terminal device in the method embodiment of the present application, and the above-mentioned and other operations and/or functions of each unit in the terminal device 400 are respectively for implementing the method shown in FIG. 2 For the sake of brevity, the corresponding process of the terminal device in 200 will not be repeated here.

FIG. 5 shows a schematic block diagram of an access network device 500 according to an embodiment of the present application. As shown in FIG. 5, the access network device 500 includes:

The communication unit 510 is used to send first information to the terminal device, and the first information is used to indicate that the first SDAP device of the terminal device corresponds to a packet or an indication of an Ethernet frame structure including a VLAN header The first SDAP device of the terminal device correspondingly processes a data packet with an Ethernet frame structure that does not include a VLAN prefix.

Optionally, the first information includes first indication information, and the first indication information is used for the first SDAP device to process a data packet including an Ethernet frame structure including a VLAN header or to indicate the first SDAP device Corresponding to the processing is the packet without the Ethernet frame structure of the VLAN prefix.

Optionally, the first information is RRC signal or SIB information.

Optionally, if the first information is an RRC signal, the first indication information is carried in DRB configuration information or SDAP configuration information.

Optionally, the first indication information occupies 1 bit resource.

Optionally, the access network device 500 further includes:

The processing unit 520 is configured to extend the DRB logo from 1 to 32 to 1 to 64.

Optionally, the first information further includes first PDCP configuration information, and the first PDCP configuration information is used to configure the terminal device to adopt a VLAN-capable packet with an Ethernet frame structure including a VLAN prefix Header compression configuration, and/or, the first PDCP configuration information is used by the terminal device to adopt a header compression configuration that does not support VLAN for packets with an Ethernet frame structure that does not include a VLAN header.

Optionally, the first information includes first SDAP configuration information, the first SDAP configuration information is used to configure a first preset DRB and/or a second preset DRB, and the first preset DRB is used for mapping For the data packet of the Ethernet frame structure including the VLAN header, the second preset DRB is used to map the data packet of the Ethernet frame structure not including the VLAN header.

Optionally, the VLAN-related information is the mapping relationship between the QoS Flow ID and the VLAN, or is Ethernet PDU information including VLAN information. The VLAN-related information may be pre-configured, or may be notified by the network side, or may be obtained interactively between various layers of the user.

Optionally, before the communication unit 510 sends the first information, the communication unit 510 is further configured to receive the header compression and de-header compression of the entire Ethernet frame structure reported by the terminal device. Supporting capability, or, respectively, reporting support for header compression and decompression of headers and headers in the Ethernet column to indicate whether the terminal device supports header compression and/or whether the Ethernet frame structure Supports header compression for Ethernet frame structure with VLAN prefix.

Optionally, before the communication unit 510 sends the first information, the access network device 500 further includes:

The processing unit 520 is configured to determine the first information according to at least one of user capability, QoS data flow, and VLAN indication, where the user capability is used to indicate whether the terminal device supports the Ethernet frame structure Header compression and/or whether header compression of the Ethernet frame structure of the VLAN header is supported, and the VLAN indication is used to indicate whether the Ethernet frame structure of the PDU session data flow includes a VLAN domain.

Optionally, the user capability is reported by the terminal device, and the VLAN indication is obtained from the core network device.

It should be understood that the access network device 500 according to the embodiment of the present application may correspond to the access network device in the method embodiment of the present application, and the above and other operations and/or functions of each unit in the access network device 500 are The corresponding process of implementing the access network device in the method 300 shown in FIG. 3 will not be repeated here for brevity.

FIG. 6 is a schematic structural diagram of a communication device 600 provided by an embodiment of the present application. The communication device 600 shown in FIG. 6 includes a processor 610, and the processor 610 can call and run a computer program from the memory to implement the method in the embodiment of the present application.

Optionally, as shown in FIG. 6, the communication device 600 may further include a memory 620. The processor 610 can call and run a computer program from the memory 620 to implement the method in the embodiments of the present application.

The memory 620 may be a separate device independent of the processor 610, or may be integrated in the processor 610.

Optionally, as shown in FIG. 6, the communication device 600 may further include a transceiver 630, and the processor 610 may control the transceiver 630 to communicate with other devices, specifically, may send information or data to other devices, or receive other Information or data sent by the device.

Among them, the transceiver 630 may include a transmitter and a receiver. The transceiver 630 may further include antennas, and the number of antennas may be one or more.

Optionally, the communication device 600 may specifically be an access network device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the access network device in each method of the embodiment of the present application. This will not be repeated here.

Optionally, the communication device 600 may specifically be a mobile terminal/terminal device according to an embodiment of the present application, and the communication device 600 may implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, for simplicity And will not be repeated here.

7 is a schematic structural diagram of a wafer according to an embodiment of the present application. The chip 700 shown in FIG. 7 includes a processor 710, and the processor 710 can call and run a computer program from the memory to implement the method in the embodiment of the present application.

Optionally, as shown in FIG. 7, the chip 700 may further include a memory 720. The processor 710 can call and run a computer program from the memory 720 to implement the method in the embodiment of the present application.

The memory 720 may be a separate device independent of the processor 710, or may be integrated in the processor 710.

Optionally, the wafer 700 may further include an input interface 730. The processor 710 can control the input interface 730 to communicate with other devices or chips. Specifically, it can obtain information or data sent by other devices or chips.

Optionally, the wafer 700 may further include an output interface 740. The processor 710 can control the output interface 740 to communicate with other devices or chips. Specifically, it can output information or data to other devices or chips.

Optionally, the wafer can be applied to the access network equipment in the embodiments of the present application, and the wafer can implement the corresponding processes implemented by the access network equipment in the methods of the embodiments of the present application. Repeat.

Optionally, the wafer can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the wafer can implement the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application. For brevity, here No longer.

It should be understood that the wafers mentioned in the embodiments of the present application may also be referred to as system-level wafers, system wafers, wafer systems, or system-on-chip wafers.

FIG. 8 is a schematic block diagram of a communication system 800 provided by an embodiment of the present application. As shown in FIG. 8, the communication system 800 includes a terminal device 810 and an access network device 820.

Among them, the terminal device 810 can be used to implement the corresponding functions implemented by the terminal device in the above method, and the access network device 820 can be used to implement the corresponding functions implemented by the access network device in the above method. This will not be repeated here.

It should be understood that the processor in the embodiment of the present application may be an integrated circuit chip with signal processing capabilities. In the implementation process, the steps of the foregoing method embodiments may be completed by instructions in the form of hardware integrated logic circuits or software in the processor. The aforementioned processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), an existing programmable gate array (Field Programmable Gate Array, FPGA), or Other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components. The methods, steps, and logical block diagrams disclosed in the embodiments of the present application may be implemented or executed. The general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like. The steps of the method disclosed in conjunction with the embodiments of the present application may be directly embodied and executed by a hardware decoding processor, or may be executed and completed by a combination of hardware and software modules in the decoding processor. The software module can be located in random memory, flash memory, read-only memory, programmable read-only memory or electrically readable and writable programmable memory, registers and other mature storage media in the art. The storage medium is located in the memory. The processor reads the information in the memory and combines the hardware to complete the steps of the above method.

It can be understood that the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory. Among them, the non-volatile memory can be read-only memory (Read-Only Memory, ROM), programmable read-only memory (Programmable ROM, PROM), erasable programmable read-only memory (Erasable PROM, EPROM), electrically erasable and programmable read-only memory (Electrically EPROM, EEPROM) or flash memory. The volatile memory may be a random access memory (Random Access Memory, RAM), which is used as an external cache memory. By way of example but not limitation, many forms of RAM are available, such as static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory ( Synchronous DRAM (SDRAM), double data rate synchronous dynamic random access memory (Double SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous connection dynamic random access memory (Synchlink DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM). It should be noted that the memory of the systems and methods described herein is intended to include, but is not limited to, these and any other suitable types of memory.

It should be understood that the foregoing memory is exemplary but not limiting, for example, the memory in the embodiments of the present application may also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM) , DRAM), synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM), etc. That is to say, the memories in the embodiments of the present application are intended to include but are not limited to these and any other suitable types of memories.

The embodiments of the present application also provide a computer-readable storage medium for storing computer programs.

Optionally, the computer-readable storage medium can be applied to the access network device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding processes implemented by the access network device in each method of the embodiments of the present application. It is concise and will not be repeated here.

Optionally, the computer-readable storage medium can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program enables the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiments of the present application For the sake of brevity, I will not repeat them here.

An embodiment of the present application also provides a computer program product, including computer program instructions.

Optionally, the computer program product can be applied to the access network device in the embodiments of the present application, and the computer program instructions enable the computer to execute the corresponding process implemented by the access network device in each method of the embodiments of the present application, for simplicity And will not be repeated here.

Optionally, the computer program product can be applied to the mobile terminal/terminal device in the embodiments of the present application, and the computer program instructions cause the computer to execute the corresponding process implemented by the mobile terminal/terminal device in each method of the embodiment of the present application, For brevity, I will not repeat them here.

The embodiment of the present application also provides a computer program.

Optionally, the computer program can be applied to the access network device in the embodiment of the present application, and when the computer program runs on the computer, the computer can execute the corresponding method implemented by the access network device in each method of the embodiment of the present application For the sake of brevity, I will not repeat them here.

Optionally, the computer program can be applied to the mobile terminal/terminal device in the embodiments of the present application. When the computer program runs on the computer, the computer executes each method of the embodiments of the present application by the mobile terminal/terminal device For the sake of brevity, I will not repeat them here.

Persons of ordinary skill in the art may realize that the units and algorithm steps of the examples described in conjunction with the embodiments disclosed herein can be implemented by electronic hardware, or a combination of computer software and electronic hardware. Whether these functions are executed in hardware or software depends on the specific application of the technical solution and design constraints. Professional technicians can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of this application.

Those skilled in the art can clearly understand that for the convenience and conciseness of the description, the specific working processes of the above-described systems, devices, and units can refer to the corresponding processes in the foregoing method embodiments, and details are not described herein again.

In the several embodiments provided in this application, it should be understood that the disclosed system, device, and method may be implemented in other ways. For example, the device embodiments described above are only schematic. For example, the division of the unit is only a logical function division. In actual implementation, there may be another division manner, for example, multiple units or elements may be combined or may Integration into another system, or some features can be ignored, or not implemented. In addition, the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, and may be electrical, mechanical or other forms.

The unit described as a separate component may or may not be physically separated, and the component displayed as a unit may or may not be a physical unit, that is, it may be located in one place, or may be distributed on multiple network units . Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.

In addition, the functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone, or two or more units may be integrated into one unit.

If the function is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of the present application essentially or part of the contribution to the existing technology or part of the technical solution can be reflected in the form of a software product, the computer software product is stored in a storage medium, including several The instruction is used to enable a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the methods described in the embodiments of the present application. The aforementioned storage media include: flash drives, mobile hard drives, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disks or optical discs, etc. can store program code Medium.

The above is only the specific implementation of this application, but the scope of protection of this application is not limited to this, any person skilled in the art can easily think of changes or replacements within the technical scope disclosed in this application. It should be covered by the scope of protection of this application. Therefore, the scope of protection of this application shall be subject to the scope of protection of the patent application.

100: communication system 110: terminal equipment 120: Access network equipment 130: Core network equipment 200: Method S210, S220: steps 300: Method S310: Step 400: terminal equipment 410: Communication unit 420: processing unit 500: access network equipment 510: Communication unit 600: Communication equipment 610: processor 620: Memory 630: Transceiver 700: chip 710: processor 720: memory 730: Input interface 740: output interface 800: Communication system 810: terminal equipment 820: Access network equipment

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

2 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.

FIG. 3 is a schematic flowchart of another wireless communication method according to an embodiment of the present application.

4 is a schematic block diagram of a terminal device according to an embodiment of the present application.

5 is a schematic block diagram of an access network device according to an embodiment of the present application.

6 is a schematic block diagram of a communication device according to an embodiment of the present application.

7 is a schematic block diagram of a wafer according to an embodiment of the present application.

8 is a schematic block diagram of a communication system according to an embodiment of the present application.

200: Method

S210, S220: steps

Claims (20)

A wireless communication method, characterized in that it includes: The terminal device receives the first information sent by the access network device, and the first information is used to indicate that the first service data adaptation agreement SDAP device of the terminal device corresponds to the Ethernet including the virtual area network VLAN prefix. The data packet of the frame structure or the data packet indicating that the first SDAP device correspondingly handles the Ethernet frame structure excluding the VLAN prefix; Based on the first information, the terminal device maps an Ethernet frame structure data packet including a VLAN header or an Ethernet frame structure data packet not including a VLAN header to the first SDAP of the terminal device equipment. The method according to item 1 of the patent application scope, wherein the method further comprises: The first SDAP device of the terminal device submits the mapped data packet to the first packetization data aggregation agreement PDCP device of the terminal device; The first PDCP device of the terminal device performs header compression on the data packet including the VLAN header by using the header compression method corresponding to the VLAN header, or uses the data packet not including the VLAN header corresponding to the header The header compression method performs header compression. The method according to item 2 of the patent application range, wherein the first information includes first indication information, and the first indication information is used to instruct the first SDAP device of the terminal device to process correspondingly including A data packet with an Ethernet frame structure of a VLAN prefix or indicating that the first SDAP device of the terminal device corresponds to a data packet with an Ethernet frame structure that does not include a VLAN prefix; Based on the first information, the terminal device maps an Ethernet frame structure data packet including a VLAN header or an Ethernet frame structure data packet not including a VLAN header to the first SDAP of the terminal device Equipment, including: Based on the first instruction information, the terminal device maps a packet with an Ethernet frame structure including a VLAN header or a packet with an Ethernet frame structure not including a VLAN header to the first SDAP equipment. The method according to item 2 of the patent application scope, wherein the first information is a radio resource control RRC signal, or system block SIB information; If the first information is an RRC signal, the first indication information is carried in data radio bearer DRB configuration information or SDAP configuration information. The method according to item 4 of the patent application scope, wherein the first indication information occupies 1 bit of resources. The method according to any one of items 3 to 5 of the patent application range, wherein the method further comprises: The terminal device extends the DRB logo from 1 to 32 to 1 to 64. The method according to item 6 of the patent application range, wherein the first information further includes first PDCP configuration information, and the first PDCP configuration information is used to use the Ethernet frame structure including the VLAN prefix The data packet adopts a header compression configuration that supports VLAN, and/or, the first PDCP configuration information is used to apply a header compression configuration that does not support VLAN to a data packet of an Ethernet frame structure that does not include a VLAN header. The method according to item 2 of the patent application range, wherein the first information includes first SDAP configuration information, and the first SDAP configuration information is used to configure a first preset DRB and/or a second preset DRB, the first preset DRB is used to map the data packet of the Ethernet frame structure including the VLAN header, and the second preset DRB is used to map the data packet of the Ethernet frame structure not including the VLAN header ; Based on the first information, the terminal device maps an Ethernet frame structure data packet including a VLAN header or an Ethernet frame structure data packet not including a VLAN header to the first SDAP of the terminal device Equipment, including: Based on the first SDAP configuration information and VLAN-related information, the terminal device maps a packet with an Ethernet frame structure including a VLAN header or a packet with an Ethernet frame structure not including a VLAN header to the The first SDAP device of the terminal device. The method according to item 8 of the patent application scope, wherein the VLAN-related information is a mapping relationship between a service quality QoS data flow identifier and a VLAN, or is Ethernet PDU information including VLAN information. The method according to any one of items 3, 4 or 8 of the patent application scope, characterized in that if a first preset DRB is configured at the first SDAP device of the terminal device, and the first preset The DRB is used to map the data packet including the Ethernet frame structure of the VLAN prefix. The method further includes: The terminal device maps the QoS data flow to the DRB according to the first rule, Wherein, the first rule is to perform header compression for the Ethernet frame structure supporting VLAN for the first default DRB, and select a DRB that does not support VLAN as the target for the Ethernet frame structure not supporting VLAN Head compression. The method according to any one of items 3, 4 or 8 of the patent application scope, characterized in that if a second preset DRB is configured at the first SDAP device of the terminal device, and the second preset The DRB is used to map the data packet of the Ethernet frame structure that does not include the VLAN prefix. The method further includes: The terminal device maps the QoS data flow to the DRB according to the second rule, Wherein, the second rule is to perform header compression on the second preset DRB that does not support the Ethernet frame structure of VLAN, and select a DRB that supports VLAN as the header that supports the Ethernet frame structure of VLAN compression. The method according to any one of items 3, 4 or 8 of the patent application range, wherein if the first SDAP device of the terminal device is configured with a first preset DRB or a second preset DRB, and The first preset DRB is used to map data packets that include the Ethernet frame structure of the VLAN header, and the second preset DRB is used to map data packets that do not include the Ethernet frame structure of the VLAN header. The method also includes: The terminal device maps the QoS data flow to the DRB according to the third rule, Among them, the third rule is to select another DRB that supports VLAN as the header compression for the Ethernet frame structure that supports VLAN and another DRB that does not support VLAN as the target for the Ethernet frame structure that does not support VLAN. Head compression. A terminal device is characterized by comprising: The communication unit is used to receive the first information sent by the access network device, and the first information is used to indicate that the first service data adaptation protocol of the terminal device adapts to the SDAP device to include the VLAN prefix of the virtual local area network. A data packet with an Ethernet frame structure or indicating that the first SDAP device of the terminal device corresponds to a data packet with an Ethernet frame structure that does not include a VLAN prefix; The processing unit is configured to map a packet with an Ethernet frame structure including a VLAN header or a packet with an Ethernet frame structure not including a VLAN header to the first device based on the first information SDAP equipment. The terminal device according to item 13 of the patent application range, wherein the processing unit is further used to: Controlling the first SDAP device of the terminal device to deliver the mapped data packet to the first packetization data aggregation agreement PDCP device of the terminal device; Control the first PDCP device of the terminal device to perform header compression on the data packet including the VLAN header by using the header compression method corresponding to the VLAN header, or to correspond to the data packet not including the VLAN header by not including the VLAN header The header compression method performs header compression. The terminal device according to item 14 of the patent application range, wherein the first information includes first indication information, and the first indication information is used to indicate that the first SDAP device of the terminal device corresponds to A data packet including the Ethernet frame structure of the VLAN header or indicating that the first SDAP device of the terminal device correspondingly processes a data packet without the Ethernet frame structure of the VLAN header; The processing unit is specifically used for: According to the first instruction information, the data packet including the Ethernet frame structure of the VLAN header or the data packet not including the VLAN frame structure is mapped to the first SDAP device of the terminal device. The terminal device according to item 15 of the patent application range, wherein the first information is a radio resource control RRC signal or system block SIB information; If the first information is an RRC signal, the first indication information is carried in data radio bearer DRB configuration information or SDAP configuration information. The terminal device according to item 16 of the patent application range, wherein the first indication information occupies 1-bit resources. The terminal device according to any one of items 15 to 17 of the patent application range, wherein the processing unit is further configured to extend the DRB logo from 1 to 32 to 1 to 64. The terminal device according to item 18 of the patent application range, wherein the first information further includes first PDCP configuration information, and the first PDCP configuration information is used to use an Ethernet frame structure including a VLAN prefix Of the data packets adopt a header compression configuration that supports VLAN, and/or, the first PDCP configuration information is used to use a header compression configuration that does not support VLAN in a packet of an Ethernet frame structure that does not include a VLAN header. The terminal device according to item 15 of the patent application range, wherein, before the communication unit receives the first information, the communication unit is also used to report header compression on the entire Ethernet frame structure Support for decompression header compression, or separately report support for header compression and decompression header compression in the Ethernet header and data column, used to indicate whether the terminal device supports the Ethernet frame structure header Compression and/or whether to support header compression of the Ethernet frame structure of the VLAN prefix.

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