WO2020147836A1 - 以太帧的传输方法和通信设备 - Google Patents
以太帧的传输方法和通信设备 Download PDFInfo
- Publication number
- WO2020147836A1 WO2020147836A1 PCT/CN2020/072749 CN2020072749W WO2020147836A1 WO 2020147836 A1 WO2020147836 A1 WO 2020147836A1 CN 2020072749 W CN2020072749 W CN 2020072749W WO 2020147836 A1 WO2020147836 A1 WO 2020147836A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- ethernet frame
- field
- frame
- ethernet
- length
- Prior art date
Links
Images
Classifications
-
- 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
- H04W28/065—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information using assembly or disassembly of packets
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0006—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
- H04L1/0007—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format by modifying the frame length
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/22—Parsing or analysis of headers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/004—Arrangements for detecting or preventing errors in the information received by using forward error control
- H04L1/0056—Systems characterized by the type of code used
- H04L1/0061—Error detection codes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/04—Protocols for data compression, e.g. ROHC
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/12—Wireless traffic scheduling
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/02—Data link layer protocols
-
- 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
Definitions
- the present disclosure relates to the field of communication technologies, and in particular, to a transmission method and communication equipment of an Ethernet frame.
- the 3 rd Generation Partnership Project (3GPP) organization has defined the 5G system (5GS) as a black box to support the transmission of Ethernet frames, that is to say, the terminal and the 3GPP network as a whole are regarded as a virtual Network bridge, regardless of internal structure.
- 5GS 5G system
- the terminal is the exit of the bridge
- UPF User Plane Function
- the terminal is the entrance of the bridge
- UPF is the exit of the bridge.
- most of the effective data (payload) carried by the Ethernet frame is relatively small. If a complete Ethernet frame is transmitted in a 5G system, the resource overhead required for the transmission of the Ethernet frame will be relatively large.
- the embodiments of the present disclosure provide an Ethernet frame transmission method and communication device to solve the problem of relatively large resource overhead required for transmission of the Ethernet frame.
- some embodiments of the present disclosure provide an Ethernet frame transmission method applied to a first device, including:
- some embodiments of the present disclosure provide an Ethernet frame transmission method applied to a second device, including:
- some embodiments of the present disclosure provide a communication device, where the communication device is a first device and includes:
- Remove module used to remove specific domain from Ethernet frame
- the first sending module is configured to send the Ethernet frame with the specific domain removed to the second device.
- some embodiments of the present disclosure provide a communication device, where the communication device is a second device and includes:
- the first receiving module is configured to receive the Ethernet frame with the specific domain removed from the first device
- the adding module is used to add the specific domain to the Ethernet frame.
- some embodiments of the present disclosure provide a communication device including: a memory, a processor, and a program stored on the memory and running on the processor, the program being executed by the processor When realizing the steps in the Ethernet frame transmission method provided by the first aspect, or, when the program is executed by the processor, realizes the steps in the Ethernet frame transmission method provided by the second aspect.
- some embodiments of the present disclosure provide a computer-readable storage medium with a computer program stored on the computer-readable storage medium, and when the computer program is executed by a processor, the Ethernet frame provided in the first aspect is implemented. Or, when the program is executed by the processor, the steps in the Ethernet frame transmission method provided in the second aspect are implemented.
- the specific domain is removed from the Ethernet frame; the Ethernet frame after the specific domain is removed is sent to the second device. Because specific fields are removed from the Ethernet frame, the resource overhead required for transmission of the Ethernet frame can be reduced.
- FIG. 1 is a schematic diagram of the architecture of a wireless communication system to which some embodiments of the present disclosure can be applied;
- FIG. 2 is a flowchart of an Ethernet frame transmission method provided by some embodiments of the present disclosure
- FIG. 3 is another flowchart of an Ethernet frame transmission method provided by some embodiments of the present disclosure.
- Figure 4 is a structural diagram of a communication device provided by some embodiments of the present disclosure.
- FIG. 5 is a structural diagram of a communication device provided by some embodiments of the present disclosure.
- Figure 6 is a structural diagram of a communication device provided by some embodiments of the present disclosure.
- FIG. 7 is a structural diagram of a communication device provided by some embodiments of the present disclosure.
- FIG. 8 is a structural diagram of a communication device provided by some embodiments of the present disclosure.
- FIG. 9 is a structural diagram of a communication device provided by some embodiments of the present disclosure.
- FIG. 10 is a structural diagram of a communication device provided by some embodiments of the present disclosure.
- FIG. 11 is a structural diagram of a communication device provided by some embodiments of the present disclosure.
- words such as “exemplary” or “for example” are used as examples, illustrations, or illustrations. Any embodiment or design solution described as “exemplary” or “for example” in some embodiments of the present disclosure should not be construed as being more preferable or advantageous than other embodiments or design solutions. Rather, the use of words such as “exemplary” or “for example” is intended to present relevant concepts in a specific manner.
- the Ethernet frame transmission method and communication device provided by some embodiments of the present disclosure can be applied to a wireless communication system.
- the wireless communication system may be a 5G system, or an evolved Long Term Evolution (eLTE) system, or an LTE system, or a subsequent evolved communication system.
- eLTE evolved Long Term Evolution
- FIG. 1 is a schematic diagram of the architecture of a wireless communication system to which some embodiments of the present disclosure can be applied.
- a terminal taking UE as an example
- a wireless communication network form a network bridge, as shown by the dashed box.
- the bridge is a virtual bridge.
- the bridge includes terminals (taking UE as an example), New Radio-Radio Access Network (NG-RAN), Access Management Function (AMF), and Session Management Function (Session Management Function).
- Management Function (SMF), Policy Control Function (PCF), User Plane Function (UPF).
- the UE is the egress device of a bridge (Bridge), and the UPF is the ingress device of the bridge.
- UE is the entrance device of the bridge
- UPF is the exit device of the bridge.
- the UE can establish a connection with the first external device
- the UPF can establish a connection with the second external device.
- the external device is not limited, and it can arbitrarily be able to communicate with the UE or with the UPF. Establish a connected device.
- the terminal may be a User Equipment (UE) or other terminal-side equipment, such as a mobile phone, a tablet (Personal Computer), and a laptop (Laptop Computer) , Personal Digital Assistant (PDA), Mobile Internet Device (MID), or Wearable Device (Wearable Device) and other terminal side devices.
- UE User Equipment
- PDA Personal Digital Assistant
- MID Mobile Internet Device
- WMA Wearable Device
- the specific type of terminal 11 is not limited.
- the core network element may include but is not limited to at least one of the following: core network device, core network node, core network function, core network element, and mobility management entity (Mobility Management) Entity, MME), access mobility management function (Access Management Function, AMF), session management function (Session Management Function, SMF), user plane function (User Plane Function, UPF), service gateway (serving GW, SGW), PDN Gateway (PDN Gateway), policy control function (Policy Control Function, PCF), policy and charging rule function unit (Policy and Charging Rules Function, PCRF), GPRS service support node (Serving GPRS Support Node, SGSN) , Gateway GPRS Support Node (Gateway GPRS Support Node, GGSN) and wireless access network equipment.
- MME mobility management entity
- Access Management Function Access Management Function
- SMF session management function
- UPF User Plane Function
- UPF User Plane Function
- SGW service gateway
- PDN Gateway PDN Gateway
- Policy Control Function Policy Control Function
- the RAN network element may include but is not limited to at least one of the following: radio access network equipment, radio access network node, radio access network function, radio access network unit, 3GPP radio access network , Non-3GPP radio access network, Centralized Unit (CU), Distributed Unit (DU), base station, evolved Node B (eNB), 5G base station (gNB), radio network controller (Radio Network Controller, RNC), base station (NodeB), non-3GPP Inter Working Function (N3IWF), access control (Access Controller, AC) node, access point (Access Point, AP) equipment Or a wireless local area network (Wireless Local Area Networks, WLAN) node.
- radio access network equipment radio access network node
- radio access network function radio access network unit
- 3GPP radio access network Non-3GPP radio access network
- Non-3GPP radio access network Centralized Unit (CU), Distributed Unit (DU), base station, evolved Node B (eNB), 5G base station (gNB), radio network controller (Radio Network Controller, RNC), base station (NodeB
- FIG. 2 is a flowchart of an Ethernet frame transmission method provided by some embodiments of the present disclosure. The method is applied to the first device, as shown in FIG. 2, and includes the following steps:
- Step 201 Remove a specific domain from the Ethernet frame.
- the above-mentioned specific domain may be a specific domain corresponding to the format of the above-mentioned Ethernet frame (also referred to as a frame format).
- the specific domain may be configured for different formats in advance.
- this is not limited.
- the above-mentioned specific fields may be uniformly agreed upon by the protocol, such as uniformly agreed as the preamble field and the start frame delimiter field, etc., or the above-mentioned specific fields may be configured by the network.
- the aforementioned Ethernet frame may be an uplink Ethernet frame or a downlink Ethernet frame.
- Step 202 Send the Ethernet frame with the specific domain removed to the second device.
- the Ethernet frame can be compressed and transmitted, thereby reducing the resource overhead required for the transmission of the Ethernet frame.
- the first device may be an ingress device of a network bridge
- the second device may be an egress device of the network bridge.
- the first device may be as shown in FIG. 1 Or the ingress device in the network architecture shown in FIG. 2 or the 5G system
- the second device may be the egress device in the network architecture shown in FIG. 1 or FIG. 2 or the 5G system.
- this is not limited.
- the above-mentioned first device when applied to a network architecture other than the network architecture shown in FIG. 1 and FIG. 2, the above-mentioned first device may be a terminal or a terminal in another network architecture.
- the core network element for example: UPF
- the second device may also be a core network element or a terminal.
- the foregoing specific domain includes at least one of the following:
- Preamble Preamble
- SFD start frame delimiter
- FCS frame check sequence
- length indicator length
- padding field extension field.
- the above-mentioned preamble field may be a preamble field of N bytes at the beginning of an Ethernet frame, for example: a preamble field of 7 bytes at the beginning of an Ethernet frame.
- the above-mentioned start frame delimiter field may be a 1-byte start frame delimiter field immediately following the preamble field in the Ethernet frame.
- the length indication field may be an indication field of M (for example: two) bytes before the data field in the Ethernet frame, which may be used to indicate the length of the data field.
- the above-mentioned frame check field may be a K (for example: four) byte frame check field after the data field or the padding field in the Ethernet frame.
- the aforementioned padding field may be a padding field that is filled after the data field in the Ethernet frame.
- the above extension field (or called the extended bit field) can be the extension field at the end of the ether frame
- Ethernet frames may include different fields.
- some Ethernet frames include length indication field, frame check field, padding field, and extension field; but other Ethernet frames may not include the above At least one of the length indication field, the frame check field, the padding field, and the extended field.
- the above-mentioned specific field does not include these fields.
- Ethernet frame includes all of the above-mentioned multiple domains, it does not mean that the above-mentioned specific domain includes these multiple domains. It may also only include parts of these multiple domains. Set up.
- At least one of the preamble field, the start frame delimiter field, the frame check field, the length indicator field, the padding field and the extension field can be removed, thereby reducing the resources required for Ethernet frame transmission.
- the removed domain must be the domain included in the aforementioned Ethernet frame. For example: if the Ethernet frame contains the frame check field, remove the frame check field from the Ethernet frame; if the Ethernet frame contains the length indicator field, remove the length indicator field from the Ethernet frame; if the Ethernet frame contains padding Field, the padding field is removed from the Ethernet frame; if the Ethernet frame contains the extended field, the extended field is removed from the Ethernet frame.
- the format or type of the foregoing Ethernet frame is not limited, and the positions of the foregoing multiple fields are not limited.
- the removal of the specific domain from the Ethernet frame includes at least one of the following:
- the Ethernet frame includes the frame check field according to the first Ethernet frame size and the second Ethernet frame size, or according to the format of the Ethernet frame, it is determined that the Ethernet frame includes the frame check field , Remove the frame check field, where the first Ethernet frame size is the actual received Ethernet frame size of the Ethernet frame, and the second Ethernet frame size is determined by parsing the format of the Ethernet frame Ether frame size;
- the padding field is included in the Ethernet frame, or according to the type field in the Ethernet frame , then the padding field is removed, wherein the actual data field length is the length indicated by the length indication field, or the actual data field length is based on the Ethernet The length of the data field of the Ethernet frame determined by the type field in the frame;
- the extended field is removed.
- Ethernet frame size determined by parsing the format of the Ethernet frame does not include the frame check field.
- the determination that the Ethernet frame includes the frame check field may be: if the first Ethernet frame size and the second Ethernet frame size are different, the Ethernet frame is determined The frame check field is included in the, otherwise, it can be determined that the frame check field is not included. In addition, in some Ethernet frame formats, a frame check field is always included or not included, so that it can be determined that the Ethernet frame includes the frame check field according to the format of the Ethernet frame.
- the padding field is included in the Ethernet frame, if the actual data field length is less than The above minimum data field length is determined to include the padding field, otherwise, it may be determined not to include the padding field.
- the length of the padding field is the difference between the minimum data field length and the actual data field length
- determining that the padding field is included in the Ethernet frame according to the type field in the Ethernet frame may be determined based on the type field in the Ethernet frame that the data field of the Ethernet frame carries IP, address resolution protocol ( Address Resolution Protocol (ARP) or Reverse Address Resolution Protocol (RARP) protocol data packets, and then determine whether the Ethernet frame carries a padding field and the number of bytes occupied by the padding field. For example: based on the type field, it is determined that the data field of the Ethernet frame carries the data packet of the ARP protocol. Then the data packet according to the ARP protocol always occupies 28 bytes. It can be determined that the Ethernet frame carries the padding field. According to the length of the minimum data field, Determine the number of bytes occupied by the padding field.
- ARP Address Resolution Protocol
- RARP Reverse Address Resolution Protocol
- the length of the time slot of the Ethernet and the minimum frame size supported by the format of the Ethernet frame it may be determined that the extended field is included in the Ethernet frame. If the minimum frame size is less than the length of the time slot, then the determination The Ethernet frame includes the above-mentioned extended field, otherwise, it can be determined that the extended field is not included.
- the length of the extended field is the difference between the length of the time slot and the size of the Ethernet frame determined by parsing the format of the Ethernet frame, where the Ethernet frame size here does not include the extended field. .
- the time slot length information of the Ethernet can be learned through the interaction between the 5GS and the Ethernet device before the data transmission is established.
- the method further includes at least one of the following:
- a second indication is sent to the second device, where the second indication is used to indicate that the extended domain in the Ethernet frame is removed.
- the above at least one item may mean that any one or more of the above two items are included. That is to say, if there is a case where the frame check field and the extended field are removed, in this case, it can be sent
- the first instruction and the second instruction may also only send the first instruction or the second instruction. For example, because it can be determined whether the frame check field is included in the Ethernet frame according to the format of the Ethernet frame, in this case, the above-mentioned first instruction may not be sent.
- the above-mentioned first indication and the second indication can be sent through the same message or through different messages. Of course, it is not ruled out that they can be sent through the above-mentioned Ethernet frame.
- one bit indicates the above-mentioned first indication and another one is used.
- the bit indicates the above-mentioned second indication.
- the foregoing first instruction and/or second instruction can be sent, so as to accurately notify the second device of the removal of the foregoing Ethernet frame, so that the second device can correctly decompress.
- the removing the specific domain from the Ethernet frame includes:
- Ethernet frame If the received Ethernet frame is a valid Ethernet frame, remove the specific field from the Ethernet frame.
- the method further includes:
- the invalid Ethernet frame can be determined whether it is an invalid Ethernet frame after determining the format of the received Ethernet frame. If it is not an invalid Ethernet frame, it can be determined as a valid Ethernet frame.
- define invalid Ethernet frames as follows:
- the Ethernet frame is an invalid Ethernet frame
- the Ethernet frame is an invalid Ethernet frame
- the Ethernet frame is an invalid Ethernet frame.
- the mismatch between the value indicated by the length indicator field of the Ethernet frame and the data field length of the Ethernet frame may be that the value indicated by the length indicator field in the Ethernet frame does not match the length of the data field in the Ethernet frame.
- the frame check code algorithm may be an algorithm agreed by a protocol or a network configuration.
- the frame check code calculated by the first device through the frame check code algorithm does not match the value indicated by the frame check field in the Ethernet frame It may be that the frame check code calculated by the first device through the frame check code algorithm does not match the value indicated by the frame check field in the Ethernet frame.
- the sending the Ethernet frame with the specific domain removed to the second device may include:
- the foregoing Ethernet frame may be an uplink Ethernet frame or a downlink Ethernet frame.
- the Ethernet header of the Ethernet frame is a compressed Ethernet header.
- the compression may be to remove the Ethernet frame header of a specific Ethernet frame domain.
- the specific Ethernet frame domain may include but is not limited to at least one of the following:
- Media access control MAC source address field Media access control MAC source address field, MAC destination address field, type field, outer tag field (S-TAG) field, priority code point (PCP) field, discard identification (DEI) field and virtual local area network identifier (VID) area.
- S-TAG outer tag field
- PCP priority code point
- DEI discard identification
- VIP virtual local area network identifier
- the foregoing compression of the Ethernet frame header may be performed by the foregoing first device, such as a core network element (for example: UPF) or a terminal for compression, and then sent to the RAN.
- the network element may send relationship information including the value of the above-mentioned specific Ethernet frame field to the terminal and/or the RAN network element.
- the relationship information may also be the compressed Ethernet frame header The length of information, which is convenient for the terminal to decompress.
- the foregoing compression may be performed by the RAN network element, which is not limited.
- the terminal and the core network element are used as anchor points to perform the Ethernet header compression and header decompression, and the compressed Ethernet frame It is sent to the egress equipment of the 5G system via the RAN;
- the 5G system is configured to perform Ethernet header compression between the terminal and the RAN, the terminal and the RAN network element are used as anchor points to perform the Ethernet header compression and header decompression.
- the specific domain is removed from the Ethernet frame; the Ethernet frame after the specific domain is removed is sent to the second device. Because specific fields are removed from the Ethernet frame, the resource overhead required for transmission of the Ethernet frame can be reduced.
- FIG. 3 is another flowchart of an Ethernet frame transmission method provided by some embodiments of the present disclosure. The method is applied to a second device, as shown in FIG. 3, and includes the following steps:
- Step 301 Receive an Ethernet frame with a specific domain removed from the first device.
- Step 302 Add the specific domain to the Ethernet frame.
- adding the specific domain to the ether frame can be understood as a decompression process, that is, adding specific domains that are not transmitted (ie, removed) in the ether frame, specifically adding the values of these specific domains .
- the compressed Ethernet frame can be transmitted, thereby reducing the resource overhead required for the transmission of the Ethernet frame.
- the foregoing specific domain includes at least one of the following:
- Preamble field start frame delimiter field, frame check field, length indication field, padding field and extension field.
- the value of the length indication field corresponds to the length of the data field of the Ethernet frame.
- the corresponding Ethernet frame format of the above-mentioned Ethernet frame carries a length indicator field
- add a length indicator field to a specific position in the Ethernet frame that is, the position of the length indicator field
- set the value of the field The length of the actual data field in the Ethernet frame.
- the above-mentioned preamble field can be in the position of the preamble field, and the value of this field is set to the value agreed by the protocol, for example: add a 7-byte preamble field before the start position of the Ethernet frame, and set the value of the field Set to the value agreed by the agreement.
- the above-mentioned start frame delimiter field may be at the position of the start frame delimiter field, and the value of the field is set to a value agreed by the protocol. For example: add a one-byte SFD field immediately after the preamble field, and set the value of this field to the value agreed by the protocol.
- the method further includes at least one of the following:
- a first indication sent by the first device is received, where the first indication is used to indicate that the frame check field in the Ethernet frame is Remove
- the adding the specific domain to the Ethernet frame includes at least one of the following:
- the second instruction If the second instruction is received, add the extended field to the Ethernet frame, where the length of the extended field is the difference between the length of the time slot of the Ethernet and the actual received length of the Ethernet frame ;
- the padding field is added to the Ethernet frame, where the padding field length is The difference between the minimum data field length and the actual data field length.
- the values of the above-mentioned padding field and the above-mentioned extended field may be the values agreed by the agreement.
- the first device is an ingress device of a network bridge
- the second device is an egress device of the network bridge.
- the method further includes:
- a complete Ethernet frame can be sent to an external device to improve transmission performance.
- the receiving the Ethernet frame with the specific domain removed from the first device includes:
- the Ethernet frame header of the Ethernet frame is a compressed Ethernet frame header, and after the Ethernet frame sent by the first device has been removed through the RAN, the method further include:
- the foregoing decompression of the Ethernet frame header may be adding and removing specific Ethernet frame fields, for example: at least one of the following:
- MAC source address field MAC destination address field
- type field outer tag (S-TAG) field
- priority code point (PCP) field PCP
- discard identification (DEI) field MAC source address field
- VIP virtual local area network identifier
- the value of the above-mentioned specific Ethernet frame field can be obtained based on the uncompressed Ethernet frame header, that is, the Ethernet frame including the uncompressed Ethernet frame header can be transmitted first, and after the successful reception, the Ethernet frame including the compressed Ethernet frame header can be transmitted. frame.
- the value of the above-mentioned specific Ethernet frame field is configured through relationship information, so that the Ethernet frame including the compressed Ethernet frame header can be directly transmitted.
- Ethernet frame with the specific domain added and the decompressed Ethernet frame header may be sent to the external device of the network bridge.
- the transmission overhead can be further reduced.
- This embodiment can reduce the resource overhead required for Ethernet frame transmission.
- Step 1 The entrance device of the 5G system receives the Ethernet frame from the external device (such as the Ethernet sending terminal device or the bridge or the Ethernet switch), and then determines the specific format of the received Ethernet frame by analyzing each field in the Ethernet frame Then, the processing behavior of the received Ethernet frame is any one of the following;
- the ingress device will discard the Ethernet frame
- the ingress device will discard the Ethernet frame
- the entry device of the 5G system does not discard the received Ethernet frame based on the above determination conditions, it is determined that the received Ethernet frame is a valid Ethernet frame, and the field in the Ethernet frame is continued to be processed, and the processing behavior is as follows: Any combination of items or multiple items:
- Ethernet frame contains the frame check field, remove the frame check field from the Ethernet frame, such as the data field or the four-byte FCS (frame check sequence) field after the padding field;
- FCS frame check sequence
- the Ethernet frame contains the length indicator field, remove the length indicator field from the Ethernet frame, such as the length field of the two bytes before the data field;
- the Ethernet frame contains a padding field, remove the padding field from the Ethernet frame, such as the padding field after the data field;
- Ethernet frame contains the extended bit field
- remove the extended bit field from the Ethernet frame such as the extension field at the end of the Ethernet frame.
- FCS frame check field
- Ethernet frame If it is determined that the Ethernet frame carries the frame check field, remove the four bytes after the data field or the padding field (if any);
- the removal of padding is specifically as follows:
- the bytes after the data field in the Ethernet frame are removed, and the specific number of bytes removed is: the difference between the minimum data field length supported by the protocol and the actual data field length.
- the removal of the extension domain is specifically:
- Ethernet slot length for example, 1000Mbps slot time (slotTime) is 512 bytes
- minimum frame size supported by the corresponding Ethernet frame format for example, for 10Mbps or 100Mbps
- the time slot length is fixed at 64 bytes
- the minimum Ethernet frame size agreed by the protocol is 64 bytes, which means that in this scenario, the transmitted Ethernet frame does not carry the extended domain.
- the extended field at the end of the Ethernet frame is removed.
- the specific number of bytes removed is: the length of the Ethernet time slot and the Ethernet frame size determined by parsing the Ethernet frame (the extended field is not calculated Within) the difference;
- Step 2 The entry device of the 5G system sends the valid Ethernet frame processed in step 1 to the packet filter, which is filtered into a quality of service flow (QoS flow), and sent to the exit device of the 5G system via the RAN.
- QoS flow quality of service flow
- the terminal and the core network element are used as anchor points to perform the Ethernet header compression and header decompression, and the compressed Ethernet frame is sent to the 5G system via the RAN.
- the terminal and RAN network elements are used as anchor points to perform Ethernet header compression and header decompression;
- Step 3 Before sending the decompressed Ethernet frame from the exit, the export device of the 5G system performs corresponding processing on the decompressed Ethernet frame based on relevant instructions and/or agreement operation.
- the processing behavior is any combination of one or more of the following:
- Add a preamble field to the Ethernet frame such as adding a 7-byte preamble field before the start position of the Ethernet frame, and set the value of this field to the value agreed by the protocol;
- Add the start frame delimiter field to the Ethernet frame for example, add a one-byte SFD field immediately after the preamble field, and set the value of this field to the value agreed by the agreement;
- the corresponding Ethernet frame format carries a length indicator field, add a length indicator field at a specific position in the Ethernet frame, and set the value of this field to the length of the actual data field in the Ethernet frame;
- a padding field is added after the data field of the Ethernet frame.
- the length of the padding field is the minimum data field length supported by the Ethernet frame format and The difference in the length of the actual data field in the Ethernet, and set the field value to the value agreed by the protocol;
- the length of the extended field is the Ethernet slot length field and the Ethernet frame that is not transmitted in 5GS is restored.
- Step 4 The export device of the 5G system sends the Ethernet frame processed in step 3 to an external device (such as an Ethernet receiving terminal or a bridge or an Ethernet switch).
- an external device such as an Ethernet receiving terminal or a bridge or an Ethernet switch.
- FIG. 4 is a structural diagram of a communication device provided by an implementation of the present disclosure.
- the communication device is the first device.
- the communication device 400 includes:
- the removing module 401 is used to remove a specific domain from the Ethernet frame
- the first sending module 402 is configured to send the Ethernet frame with the specific domain removed to the second device.
- the specific domain includes at least one of the following:
- Preamble field start frame delimiter field, frame check field, length indication field, padding field and extension field.
- the removal module 401 is configured to perform at least one of the following:
- the Ethernet frame includes the frame check field according to the first Ethernet frame size and the second Ethernet frame size, or according to the format of the Ethernet frame, it is determined that the Ethernet frame includes the frame check field , Remove the frame check field, where the first Ethernet frame size is the actual received Ethernet frame size of the Ethernet frame, and the second Ethernet frame size is determined by parsing the format of the Ethernet frame Ether frame size;
- the padding field is included in the Ethernet frame, or according to the type field in the Ethernet frame , It is determined that the padding field is included in the Ethernet frame, then the padding field is removed, wherein the actual data field length is the length indicated by the length indication field;
- the extended field is removed.
- the communication device 400 further includes at least one of the following:
- the second sending module 403 is configured to send a first indication to the second device when the frame check field is removed, where the first indication is used to indicate the frame check in the Ethernet frame Domain is removed;
- the third sending module 404 is configured to send a second indication to the second device when the extension domain is removed, where the second indication is used to indicate that the extension domain in the Ethernet frame is removed .
- the length of the padding field is the difference between the minimum data field length and the actual data field length; and/or
- the length of the extended field is the difference between the length of the time slot and the size of the Ethernet frame determined by analyzing the format of the Ethernet frame.
- the removing the specific domain from the Ethernet frame includes:
- Ethernet frame If the received Ethernet frame is a valid Ethernet frame, remove the specific field from the Ethernet frame.
- the communication device 400 further includes:
- the discarding module 405 is configured to discard the Ethernet frame if the received Ethernet frame is an invalid Ethernet frame.
- the Ethernet frame is an invalid Ethernet frame
- the Ethernet frame is an invalid Ethernet frame
- the Ethernet frame is an invalid Ethernet frame.
- the first device is an ingress device of a network bridge
- the second device is an egress device of the network bridge.
- the first sending module 402 is configured to send the Ethernet frame after the specific domain is removed to the second device through the RAN.
- the Ethernet header of the Ethernet frame is a compressed Ethernet header.
- the communication device 400 can implement each process implemented by the first device in the method embodiment of the present disclosure and achieve the same beneficial effects. To avoid repetition, details are not described herein again.
- FIG. 7 is another structural diagram of a communication device provided by some embodiments of the present disclosure.
- the communication device is a second device.
- the communication device 700 includes:
- the first receiving module 701 is configured to receive an Ethernet frame with a specific domain removed from the first device;
- the adding module 702 is configured to add the specific domain to the Ethernet frame.
- the specific domain includes at least one of the following:
- Preamble field start frame delimiter field, frame check field, length indication field, padding field and extension field.
- the communication device 700 further includes at least one of the following:
- the second receiving module 703 is configured to receive a first indication sent by the first device when the frame check field is removed from the ether frame, and the first indication is used to indicate the ether frame The frame check field described in is removed;
- the third receiving module 704 is configured to receive a second instruction sent by the first device in the case of removing the extended field in the Ethernet frame, and the second instruction is used to indicate all data in the Ethernet frame. The extended domain is removed.
- the value of the length indication field corresponds to the length of the data field of the Ethernet frame.
- the adding module 702 is configured to perform at least one of the following:
- the extended field is added to the Ethernet frame, where the length of the extended field is the length of the time slot of the Ethernet and the Ethernet frame determined by parsing the format of the Ethernet frame The difference between the size (not counting the expansion field);
- the padding field is added to the Ethernet frame, where the padding field length is The difference between the minimum data field length and the actual data field length.
- the first device is an ingress device of a network bridge
- the second device is an egress device of the network bridge.
- the communication device 700 further includes:
- the sending module 705 is configured to send the Ethernet frame with the specific domain added to the external device of the network bridge.
- the first receiving module 701 is configured to receive, through the RAN, the Ethernet frame sent by the first device after the specific domain is removed.
- the Ethernet frame header of the Ethernet frame is a compressed Ethernet frame header.
- the communication device 700 further includes:
- the decompression module 706 is configured to decompress the Ethernet frame header.
- the communication device 700 can implement each process implemented by the second device in the method embodiment of the present disclosure and achieve the same beneficial effects. To avoid repetition, details are not described herein again.
- FIG. 11 is another structural diagram of a communication device provided by some embodiments of the present disclosure.
- the communication device 1100 includes a memory 1101, a processor 1102, and a computer program 11011 that is stored on the memory 1101 and can run on the processor 1102.
- the computer program 11011 is executed by the processor 1102 to implement the following steps:
- the specific domain includes at least one of the following:
- Preamble field start frame delimiter field, frame check field, length indication field, padding field and extension field.
- the removal of the specific domain from the Ethernet frame includes at least one of the following:
- the Ethernet frame includes the frame check field according to the first Ethernet frame size and the second Ethernet frame size, or according to the format of the Ethernet frame, it is determined that the Ethernet frame includes the frame check field , Remove the frame check field, where the first Ethernet frame size is the actual received Ethernet frame size of the Ethernet frame, and the second Ethernet frame size is determined by parsing the format of the Ethernet frame Ether frame size;
- the padding field is included in the Ethernet frame, or according to the type field in the Ethernet frame , Determining that the Ethernet frame includes the padding field, then removing the padding field, where the actual data field length is the length indicated by the length indication field;
- the extended field is removed.
- processor 1102 is further configured to perform at least one of the following:
- a second indication is sent to the second device, where the second indication is used to indicate that the extended domain in the Ethernet frame is removed.
- the length of the padding field is the difference between the minimum data field length and the actual data field length; and/or
- the length of the extended field is the difference between the length of the time slot and the size of the Ethernet frame determined by analyzing the format of the Ethernet frame.
- the removing a specific domain from the Ethernet frame performed by the processor 1102 includes:
- Ethernet frame If the received Ethernet frame is a valid Ethernet frame, remove the specific field from the Ethernet frame.
- processor 1102 is also used to execute:
- the Ethernet frame is an invalid Ethernet frame
- the Ethernet frame is an invalid Ethernet frame
- the Ethernet frame is an invalid Ethernet frame.
- the first device is an ingress device of a network bridge
- the second device is an egress device of the network bridge.
- the sending of the Ethernet frame after the specific domain is removed to the second device performed by the processor 1102 includes:
- the Ethernet header of the Ethernet frame is a compressed Ethernet header.
- the computer program 11011 is executed by the processor 1102 to implement the following steps:
- the specific domain includes at least one of the following:
- Preamble field start frame delimiter field, frame check field, length indication field, padding field and extension field.
- processor 1102 is further configured to perform at least one of the following:
- a first indication sent by the first device is received, where the first indication is used to indicate that the frame check field in the Ethernet frame is Remove
- the value of the length indication field corresponds to the length of the data field of the Ethernet frame.
- the adding the specific domain to the Ethernet frame includes at least one of the following:
- the extended field is added to the Ethernet frame, where the length of the extended field is the length of the time slot of the Ethernet and the Ethernet frame determined by parsing the format of the Ethernet frame Difference in size;
- the padding field is added to the Ethernet frame, where the padding field length is The difference between the minimum data field length and the actual data field length.
- the first device is an ingress device of a network bridge
- the second device is an egress device of the network bridge.
- the processor 1102 is further configured to:
- the receiving, by the processor 1102, the Ethernet frame sent by the first device with a specific domain removed includes:
- the Ethernet frame header of the Ethernet frame is a compressed Ethernet frame header, and after the Ethernet frame sent by the first device is removed through the RAN, the processor 1102 further Used for:
- the communication device 1100 can implement each process implemented by the communication device in the foregoing method embodiment, and in order to avoid repetition, details are not described herein again.
- Some embodiments of the present disclosure also provide a computer-readable storage medium on which a computer program is stored, and when the computer program is executed by a processor, each process of any one of the above-mentioned Ethernet frame transmission method embodiments is implemented. And can achieve the same technical effect, in order to avoid repetition, I will not repeat them here.
- the computer-readable storage medium such as read-only memory (Read-Only Memory, ROM for short), random access memory (Random Access Memory, RAM for short), magnetic disk or optical disk, etc.
- the methods in the above embodiments can be implemented by means of software plus a necessary general hardware platform, and of course, can also be implemented by hardware, but in many cases the former is better Implementation.
- the technical solution of the present disclosure can be embodied in the form of a software product in essence or part that contributes to the existing technology, and the computer software product is stored in a storage medium (such as ROM/RAM, magnetic disk,
- the CD-ROM includes several instructions to enable a terminal (which may be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to perform the methods described in various embodiments of the present disclosure.
- the disclosed device and method may be implemented in other ways.
- the device embodiments described above are only schematic.
- the division of the unit is only a logical function division, and there may be other divisions in actual implementation, for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored, or not implemented.
- 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 in electrical, mechanical, or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they may be located in one place, or they 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.
- the functional units in the various embodiments of the present disclosure may be integrated into one processing unit, or each unit may exist alone physically, or two or more units may be integrated into one unit.
- 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.
- the technical solution of the present disclosure essentially or the part that contributes to the prior art or the part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including Several instructions are used to make a computer device (which may be a personal computer, a server, or a network device, etc.) execute all or part of the steps of the methods described in the various embodiments of the present disclosure.
- the foregoing storage media include various media that can store program codes, such as a U disk, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
- each component or each step can be decomposed and/or recombined.
- These decompositions and/or recombinations should be regarded as equivalent solutions of the present disclosure.
- the steps for performing the above-mentioned series of processing can naturally be executed in chronological order in the order described, but it does not necessarily need to be executed in chronological order, and some steps can be executed in parallel or independently of each other.
- Those of ordinary skill in the art can understand that all or any of the steps or components of the methods and devices of the present disclosure can be used in any computing device (including a processor, storage medium, etc.) or a network of computing devices, using hardware and firmware , Software, or a combination of them. This can be achieved by those of ordinary skill in the art using their basic programming skills after reading the description of the present disclosure.
- the embodiments described in the embodiments of the present disclosure may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
- the processing unit can be implemented in one or more application specific integrated circuits (Application Specific Integrated Circuits, ASIC), digital signal processor (Digital Signal Processing, DSP), digital signal processing device (DSP Device, DSPD), programmable Logic Device (Programmable Logic Device, PLD), Field Programmable Gate Array (Field-Programmable Gate Array, FPGA), general-purpose processor, controller, microcontroller, microprocessor, others for performing the functions described in this disclosure Electronic unit or its combination.
- ASIC Application Specific Integrated Circuits
- DSP Digital Signal Processing
- DSP Device digital signal processing device
- DPD digital signal processing device
- PLD programmable Logic Device
- Field Programmable Gate Array Field-Programmable Gate Array
- FPGA Field-Programmable Gate Array
- the technology described in the embodiments of the present disclosure may be implemented through modules (eg, procedures, functions, etc.) that perform the functions described in the embodiments of the present disclosure.
- the software codes can be stored in the memory and executed by the processor.
- the memory may be implemented in the processor or external to the processor.
- the purpose of the present disclosure can also be achieved by running a program or a group of programs on any computing device.
- the computing device may be a well-known general-purpose device. Therefore, the object of the present disclosure can also be achieved only by providing a program product containing program code for implementing the method or device. That is, such a program product also constitutes the present disclosure, and a storage medium storing such a program product also constitutes the present disclosure. Obviously, the storage medium may be any known storage medium or any storage medium developed in the future.
- each component or each step can be decomposed and/or recombined. These decompositions and/or recombinations should be regarded as equivalent solutions of the present disclosure.
- the steps for performing the above-mentioned series of processing may naturally be performed in chronological order in the order described, but it is not necessary to be performed in chronological order. Certain steps can be performed in parallel or independently of each other.
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Quality & Reliability (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
- Communication Control (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
Claims (26)
- 一种以太帧的传输方法,应用于第一设备,包括:从以太帧中移除特定域;向第二设备发送移除所述特定域后的所述以太帧。
- 如权利要求1所述的方法,其中,所述特定域包括如下至少一项:前导码域、起始帧定界符域、帧校验域、长度指示域、填充域和扩展域。
- 如权利要求2所述的方法,其中,所述从以太帧中移除特定域,包括如下至少一项:若根据第一以太帧大小和第二以太帧大小,确定所述以太帧中包括所述帧校验域,或者根据所述以太帧的格式,确定所述以太帧中包括所述帧校验域,则移除所述帧校验域,其中,所述第一以太帧大小为所述以太帧的实际接收的以太帧大小,所述第二以太帧大小为通过解析所述以太帧的格式确定的以太帧大小;若根据所述以太帧的格式对应的协议约定的最小数据域长度和所述以太帧的实际数据域长度,确定所述以太帧中包括所述填充域,或者根据所述以太帧中的类型域,确定所述以太帧中包括所述填充域,则移除所述填充域,其中,所述实际数据域长度为所述长度指示域所指示的长度;若根据以太网的时隙长度和所述以太帧的格式所支持的最小帧大小,确定所述以太帧中包括所述扩展域,则移除所述扩展域。
- 如权利要求3所述的方法,还包括如下至少一项:在移除所述帧校验域的情况下,向所述第二设备发送第一指示,所述第一指示用于指示所述以太帧中所述帧校验域被移除;在移除所述扩展域的情况下,向所述第二设备发送第二指示,所述第二指示用于指示所述以太帧中所述扩展域被移除。
- 如权利要求4所述的方法,其中,所述填充域的长度为所述最小数据域长度与所述实际数据域长度的差值;和/或所述扩展域的长度为所述时隙长度与所述解析所述以太帧的格式确定的以太帧大小的差值。
- 如权利要求1至5中任一项所述的方法,其中,所述从以太帧中移除特定域包括:若接收到的所述以太帧为有效以太帧,则从所述以太帧中移除特定域。
- 如权利要求6所述的方法,所述方法还包括:若接收到的所述以太帧为无效以太帧,则丢弃所述以太帧。
- 如权利要求7所述的方法,其中,若所述以太帧的长度不是整数字节,则所述以太帧为无效以太帧;或者若所述以太帧的长度指示域所指示的数值与所述以太帧的数据域长度不匹配,则所述以太帧为无效以太帧;或者若所述第一设备通过帧校验码算法计算得到的帧校验码与所述以太帧中的帧校验域所指示的数值不匹配,则所述以太帧为无效以太帧。
- 如权利要求1至5中任一项所述的方法,其中,所述第一设备为网桥的入口设备,所述第二设备为所述网桥的出口设备。
- 如权利要求1至5中任一项所述的方法,其中,所述向第二设备发送移除所述特定域后的所述以太帧,包括:通过无线接入网RAN向所述第二设备发送移除所述特定域后的所述以太帧。
- 如权利要求1至5中任一项所述的方法,其中,所述以太帧的以太帧头为经过压缩的以太帧头。
- 一种以太帧的传输方法,应用于第二设备,包括:接收第一设备发送的移除特定域的以太帧;在所述以太帧中添加所述特定域。
- 如权利要求12所述的方法,其中,所述特定域包括如下至少一项:前导码域、起始帧定界符域、帧校验域、长度指示域、填充域和扩展域。
- 如权利要求13所述的方法,还包括如下至少一项:在所述以太帧中移除所述帧校验域的情况下,接收所述第一设备发送的第一指示,所述第一指示用于指示所述以太帧中所述帧校验域被移除;在所述以太帧中移除所述扩展域的情况下,接收所述第一设备发送的第二指示,所述第二指示用于指示所述以太帧中所述扩展域被移除。
- 如权利要求13所述的方法,其中,所述长度指示域的数值与所述以太帧的数据域的长度对应。
- 如权利要求14所述的方法,其中,所述在所述以太帧中添加所述特定域包括如下至少一项:若接收到所述第一指示,则在所述以太帧中添加所述帧校验域,其中,所述帧校验域通过帧校验码算法计算得到;若接收到所述第二指示,则在所述以太帧中添加所述扩展域,其中,所述扩展域的长度为以太网的时隙长度与通过解析所述以太帧的格式确定的以太帧大小的差值。
- 如权利要求13所述的方法,其中,若所述以太帧的实际数据域长度小于所述以太帧的格式对应的协议约定的最小数据域长度,则在所述以太帧中添加所述填充域,其中,所述填充域的长度为所述最小数据域长度与所述实际数据域长度的差值。
- 如权利要求12至17中任一项所述的方法,其中,所述第一设备为网桥的入口设备,所述第二设备为所述网桥的出口设备。
- 如权利要求18所述的方法,其中,所述出口设备为终端设备UE或用户面功能UPF。
- 如权利要求18所述的方法,其中,所述在所述以太帧中添加所述特定域之后,所述方法还包括:向所述网桥的外部设备发送添加所述特定域的所述以太帧。
- 如权利要求12至17中任一项所述的方法,其中,所述接收第一设备发送的移除特定域的以太帧,包括:通过RAN接收所述第一设备发送的移除所述特定域后的所述以太帧。
- 如权利要求21所述的方法,其中,所述以太帧的以太帧头为经过压缩的以太帧头,所述通过RAN接收所述第一设备发送的移除所述特定域后的所述以太帧之后,所述方法还包括:对所述以太帧头进行解压缩。
- 一种通信设备,所述通信设备为第一设备,包括:移除模块,用于从以太帧中移除特定域;第一发送模块,用于向第二设备发送移除所述特定域后的所述以太帧。
- 一种通信设备,所述通信设备为第二设备,包括:第一接收模块,用于接收第一设备发送的移除特定域的以太帧;添加模块,用于在所述以太帧中添加所述特定域。
- 一种通信设备,包括:存储器、处理器及存储在所述存储器上并可在所述处理器上运行的程序,所述程序被所述处理器执行时实现如权利要求1至11中任一项所述的以太帧的传输方法中的步骤,或者,所述程序被所述处理器执行时实现如权利要求12至22中任一项所述的以太帧的传输方法中的步骤。
- 一种计算机可读存储介质,其中,所述计算机可读存储介质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权利要求1至11中任一项所述的以太帧的传输方法中的步骤,或者,所述程序被所述处理器执行时实现如权利要求12至22中任一项所述的以太帧的传输方法中的步骤。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP20741333.7A EP3914013A4 (en) | 2019-01-18 | 2020-01-17 | ETHERNET FRAME TRANSMISSION METHOD AND COMMUNICATION DEVICE |
KR1020217025329A KR102661341B1 (ko) | 2019-01-18 | 2020-01-17 | 이더넷 프레임의 전송 방법 및 통신 장치 |
SG11202107838RA SG11202107838RA (en) | 2019-01-18 | 2020-01-17 | Ethernet frame transmission method and communications device |
JP2021541645A JP7214878B2 (ja) | 2019-01-18 | 2020-01-17 | イーサネットフレームの伝送方法及び通信機器 |
US17/377,744 US11943048B2 (en) | 2019-01-18 | 2021-07-16 | Ethernet frame transmission method and communications device |
US18/435,558 US20240178932A1 (en) | 2019-01-18 | 2024-02-07 | Ethernet frame transmission method and communications device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910108455.8 | 2019-01-18 | ||
CN201910108455.8A CN111278062A (zh) | 2019-01-18 | 2019-01-18 | 一种以太帧的传输方法和相关设备 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US17/377,744 Continuation US11943048B2 (en) | 2019-01-18 | 2021-07-16 | Ethernet frame transmission method and communications device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2020147836A1 true WO2020147836A1 (zh) | 2020-07-23 |
Family
ID=70998574
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2020/072749 WO2020147836A1 (zh) | 2019-01-18 | 2020-01-17 | 以太帧的传输方法和通信设备 |
Country Status (7)
Country | Link |
---|---|
US (2) | US11943048B2 (zh) |
EP (1) | EP3914013A4 (zh) |
JP (1) | JP7214878B2 (zh) |
KR (1) | KR102661341B1 (zh) |
CN (1) | CN111278062A (zh) |
SG (1) | SG11202107838RA (zh) |
WO (1) | WO2020147836A1 (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113541910B (zh) * | 2019-02-01 | 2023-03-31 | Oppo广东移动通信有限公司 | 一种头压缩的处理方法及装置 |
WO2021253432A1 (zh) * | 2020-06-19 | 2021-12-23 | Oppo广东移动通信有限公司 | 无线通信方法、压缩端和解压缩端 |
CN117395327B (zh) * | 2023-12-12 | 2024-03-12 | 浙江国利信安科技有限公司 | 以太网接入epa网络的方法、设备和计算机可读存储介质 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180092113A1 (en) * | 2016-09-27 | 2018-03-29 | Fujitsu Limited | Communication method, communication device, and communication system |
CN110417633A (zh) * | 2018-04-28 | 2019-11-05 | 华为技术有限公司 | 一种通信方法及设备 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5912895A (en) | 1996-05-01 | 1999-06-15 | Northern Telecom Limited | Information network access apparatus and methods for communicating information packets via telephone lines |
CN1992670B (zh) * | 2005-12-30 | 2010-08-11 | 华为技术有限公司 | 一种以太网承载帧中继的方法 |
CN101882975B (zh) * | 2010-06-29 | 2012-12-19 | 上海大学 | 一种利用以太帧前导码传输数据的方法 |
US8467363B2 (en) * | 2011-08-17 | 2013-06-18 | CBF Networks, Inc. | Intelligent backhaul radio and antenna system |
CN103825869A (zh) | 2012-11-19 | 2014-05-28 | 中兴通讯股份有限公司 | 以太网报文头的压缩及解压缩方法、压缩及解压缩设备 |
CN104079488B (zh) * | 2014-07-22 | 2017-03-29 | 武汉虹信通信技术有限责任公司 | 基于以太网二层头压缩的传输设备及方法 |
CN104486112A (zh) * | 2014-12-09 | 2015-04-01 | 中国航空工业集团公司第六三一研究所 | 一种数据帧的接收处理方法 |
CN105119691B (zh) * | 2015-07-21 | 2018-08-24 | 中国航天科工集团第三研究院第八三五七研究所 | 一种以太网点到点可靠传输的方法 |
DE112016007077B4 (de) | 2016-08-22 | 2020-09-03 | Mitsubishi Electric Corporation | Kommunikationsvorrichtung und bandbreiten-steuerverfahren |
US10230654B2 (en) * | 2016-12-28 | 2019-03-12 | Intel IP Corporation | Multiband aggregation data encapsulation |
US20200107221A1 (en) * | 2018-09-27 | 2020-04-02 | Qualcomm Incorporated | Ethernet header removal for ethernet frame delivery over new radio |
-
2019
- 2019-01-18 CN CN201910108455.8A patent/CN111278062A/zh active Pending
-
2020
- 2020-01-17 KR KR1020217025329A patent/KR102661341B1/ko active IP Right Grant
- 2020-01-17 EP EP20741333.7A patent/EP3914013A4/en active Pending
- 2020-01-17 JP JP2021541645A patent/JP7214878B2/ja active Active
- 2020-01-17 SG SG11202107838RA patent/SG11202107838RA/en unknown
- 2020-01-17 WO PCT/CN2020/072749 patent/WO2020147836A1/zh unknown
-
2021
- 2021-07-16 US US17/377,744 patent/US11943048B2/en active Active
-
2024
- 2024-02-07 US US18/435,558 patent/US20240178932A1/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20180092113A1 (en) * | 2016-09-27 | 2018-03-29 | Fujitsu Limited | Communication method, communication device, and communication system |
CN110417633A (zh) * | 2018-04-28 | 2019-11-05 | 华为技术有限公司 | 一种通信方法及设备 |
Non-Patent Citations (6)
Title |
---|
ERICSSON: "Interworking with Ethernet DN", 3GPP TSG-CT WG3 MEETING #96, C3-182382, 23 April 2018 (2018-04-23), pages 1 - 5, XP051435138 * |
ERICSSON: "Interworking with Ethernet DN", 3GPP TSG-CT WG3 MEETING #96, C3-182382, 23 April 2018 (2018-04-23), XP051435138 * |
HUAWEI ET AL.: "Support of Ethernet frames on N4", 3GPP TSG CT4 MEETING #83, C4-182392, 5 March 2018 (2018-03-05), XP051396641 * |
NOKIA ET AL.: "Ethernet traffic", 3GPP TSG CT4 MEETING #84, C4-183246, 6 April 2018 (2018-04-06), XP051412617 * |
See also references of EP3914013A4 * |
VIVO: "Ethernet MAC header compression", 3GPP TSG-RAN WG2 MEETING #104, R2-1816938, 2 November 2018 (2018-11-02), XP051480877 * |
Also Published As
Publication number | Publication date |
---|---|
KR102661341B1 (ko) | 2024-04-25 |
SG11202107838RA (en) | 2021-08-30 |
CN111278062A (zh) | 2020-06-12 |
EP3914013A4 (en) | 2022-03-16 |
US20210344441A1 (en) | 2021-11-04 |
JP2022517665A (ja) | 2022-03-09 |
KR20210113332A (ko) | 2021-09-15 |
US11943048B2 (en) | 2024-03-26 |
US20240178932A1 (en) | 2024-05-30 |
EP3914013A1 (en) | 2021-11-24 |
JP7214878B2 (ja) | 2023-01-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2020147836A1 (zh) | 以太帧的传输方法和通信设备 | |
JP4763682B2 (ja) | Greフレーム中の上位レイヤパケットまたはフレーム境界の情報の提供 | |
US9906491B2 (en) | Improving transmission efficiency of data frames by using shorter addresses in the frame header | |
RU2767321C1 (ru) | Способ и устройство для беспроводной связи | |
WO2010031324A1 (zh) | 数据传输的方法、装置和系统 | |
EP3849123A1 (en) | Ethernet data-based communication method and apparatus | |
WO2021184783A1 (zh) | 实现网络能力开放的方法、装置、电子设备和存储介质 | |
WO2018099221A1 (zh) | 传输数据包的方法和设备 | |
WO2020063318A1 (zh) | 通信方法与设备 | |
WO2019057016A1 (zh) | 一种数据处理方法及终端 | |
WO2009033371A1 (fr) | Système et appareil de remplissage d'unité de données de protocole (pdu) et son procédé de traitement correspondant | |
US11382022B2 (en) | Method, apparatus, and computer program product for packet forwarding control protocol messages bundling | |
JP2023517081A (ja) | 通信方法および装置 | |
WO2011107057A2 (zh) | 数据传输方法、无线接入网设备、无线网关及系统 | |
WO2023207787A1 (zh) | 数据处理方法、装置、通信设备和存储介质 | |
CN111278060B (zh) | 一种以太帧传输方法和相关设备 | |
WO2024067424A1 (zh) | 一种数据处理方法、装置、通信设备和存储介质 | |
EP4191909A1 (en) | Data transmission method and device therefor | |
WO2023208142A1 (zh) | 数据的处理方法及通信设备 | |
WO2023207786A1 (zh) | 数据处理方法及装置 | |
WO2023168573A1 (en) | Wireless communication method and device for extended reality traffic | |
WO2023011006A1 (zh) | 一种通信方法、装置及设备 | |
EP3846397A1 (en) | Method for implementing data transmission, apparatus, and system |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 20741333 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2021541645 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20217025329 Country of ref document: KR Kind code of ref document: A |
|
ENP | Entry into the national phase |
Ref document number: 2020741333 Country of ref document: EP Effective date: 20210818 |