WO2024114642A2 - Procédé de traitement de paquets de données et dispositif de communication - Google Patents

Procédé de traitement de paquets de données et dispositif de communication Download PDF

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Publication number
WO2024114642A2
WO2024114642A2 PCT/CN2023/134779 CN2023134779W WO2024114642A2 WO 2024114642 A2 WO2024114642 A2 WO 2024114642A2 CN 2023134779 W CN2023134779 W CN 2023134779W WO 2024114642 A2 WO2024114642 A2 WO 2024114642A2
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Prior art keywords
group
packet
data packets
data packet
data
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PCT/CN2023/134779
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English (en)
Chinese (zh)
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WO2024114642A3 (fr
Inventor
陈力
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维沃移动通信有限公司
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Publication of WO2024114642A2 publication Critical patent/WO2024114642A2/fr
Publication of WO2024114642A3 publication Critical patent/WO2024114642A3/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information

Definitions

  • the present application belongs to the field of communication technology, and specifically relates to a data packet processing method and communication equipment.
  • some data packets may be discarded according to the packet discard/drop mechanism.
  • the current packet discard mechanism usually determines whether to discard the corresponding data packet based on whether the discard timer (Discard Timer) has timed out.
  • the network-side device can set the duration of the packet discard timer.
  • the current business scenarios for transmitting data packets are usually more complex, and different business scenarios may correspond to different business needs. If the decision to discard a data packet is based solely on a packet loss timer, it may result in the data packet being discarded incorrectly or useless data packets continuing to be transmitted, resulting in a waste of resources.
  • the embodiments of the present application provide a data packet processing method and communication device, which can solve the problem that the current packet loss mechanism may cause data packets to be erroneously discarded or useless data packets to continue to be transmitted.
  • a method for processing a data packet comprising:
  • the transmitting end determines whether the first group satisfies a first preset condition, the first group includes a plurality of data packets, and the first preset condition is related to a delay requirement of the first group and/or a delay requirement of data packets in the first group;
  • the transmitting end determines that the first packet satisfies the first preset condition, the transmitting end performs a data packet discarding operation on the first packet.
  • a data packet processing device comprising:
  • a determination module configured to determine whether a first group satisfies a first preset condition, wherein the first group includes a plurality of data packets, and the first preset condition is related to a delay requirement of the first group and/or a delay requirement of data packets in the first group;
  • a processing module configured to determine that, if the first group satisfies the first preset condition, The group performs the packet discard operation.
  • a communication device comprising a processor and a memory, wherein the memory stores a program or instruction that can be executed on the processor, and when the program or instruction is executed by the processor, the steps of the method described in the first aspect are implemented.
  • a communication device comprising a processor and a communication interface, wherein the processor is used to determine whether a first packet satisfies a first preset condition, wherein the first packet contains multiple data packets, and the first preset condition is related to the delay requirement of the first packet and/or the delay requirement of the data packets in the first packet; when it is determined that the first packet satisfies the first preset condition, a data packet discard operation is performed on the first packet.
  • a readable storage medium on which a program or instruction is stored.
  • the program or instruction is executed by a processor, the steps of the method described in the first aspect are implemented.
  • a chip comprising a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run a program or instruction to implement the method described in the first aspect.
  • a computer program/program product is provided, wherein the computer program/program product is stored in a storage medium and is executed by at least one processor to implement the steps of the method for processing a data packet as described in the first aspect.
  • the transmitting end can determine whether the first packet satisfies a first preset condition, and when determining that the first packet satisfies the first preset condition, perform a data packet discard operation on the first packet, wherein the first preset condition is related to the delay requirement of the first packet and/or the delay requirement of the data packets in the first packet.
  • the delay requirement of the data packet and/or the delay requirement of the data packet grouping can be taken into account, and whether to discard the data packet is determined based on the preset conditions related to the delay requirement of the data packet and/or the data packet grouping, therefore, it is possible to avoid, to a certain extent, the waste of resources caused by the erroneous discarding of data packets or the continued transmission of useless data packets.
  • FIG1 is a schematic diagram of a wireless communication system according to an embodiment of the present application.
  • FIG2 is a schematic flow chart of a method for processing a data packet according to an embodiment of the present application
  • FIG3 is a schematic diagram of the structure of a data packet processing device according to an embodiment of the present application.
  • FIG4 is a schematic diagram of the structure of a communication device according to an embodiment of the present application.
  • FIG5 is a schematic diagram of the structure of a communication device according to an embodiment of the present application.
  • FIG6 is a schematic diagram of the structure of a communication device according to an embodiment of the present application.
  • first, second, etc. in the specification and claims of the present application are used to distinguish similar objects, and are not used to describe a specific order or sequence. It should be understood that the terms used in this way are interchangeable under appropriate circumstances, so that the embodiments of the present application can be implemented in an order other than those illustrated or described here, and the objects distinguished by “first” and “second” are generally of the same type, and the number of objects is not limited.
  • the first object can be one or more.
  • “and/or” in the specification and claims represents at least one of the connected objects, and the character “/" generally represents that the objects associated with each other are in an "or” relationship.
  • LTE Long Term Evolution
  • LTE-A Long Term Evolution
  • CDMA Code Division Multiple Access
  • TDMA Time Division Multiple Access
  • FDMA Frequency Division Multiple Access
  • OFDMA Orthogonal Frequency Division Multiple Access
  • SC-FDMA Single-carrier Frequency Division Multiple Access
  • NR new radio
  • FIG1 shows a block diagram of a wireless communication system applicable to an embodiment of the present application.
  • the wireless communication system includes a terminal 11 and a network side device 12.
  • the terminal 11 may be a mobile phone, a tablet computer (Tablet Personal Computer), a laptop computer (Laptop Computer) or a notebook computer, a personal digital assistant (Personal Digital Assistant, PDA), a handheld computer, a netbook, an ultra-mobile personal computer (ultra-mobile personal computer, UMPC), a mobile Internet device (Mobile Internet Device, MID), an augmented reality (augmented reality, AR)/virtual reality (virtual reality, VR) device, a robot, a wearable device (Wearable Device), a vehicle-mounted device (VUE), a pedestrian terminal (PUE), a smart home (home appliances with wireless communication functions, such as refrigerators, televisions, washing machines or furniture, etc.), a game console, a personal computer (personal computer, PC), a teller machine or a self-service machine and other terminal side devices, and
  • the network side device 12 may include an access network device or a core network device, wherein the access network device 12 may also be referred to as a radio access network device, a radio access network (Radio Access Network, RAN), a radio access network function or a radio access network unit.
  • the access network device 12 may include a base station, a WLAN access point or a WiFi node, etc.
  • the base station may be referred to as a node B, an evolved node B (eNB), an access point, a base transceiver station (Base Transceiver Station, BTS), a radio base station, a radio transceiver, a basic service set (Basic Service Set, BSS), an extended service set (Extended Service Set, ESS), a home B node, a home evolved B node, a transmitting and receiving point (Transmitting Receiving Point, TRP) or the field described above
  • the base station is not limited to specific technical terms as long as the same technical effect is achieved. It should be noted that in the embodiments of the present application, only the base station in the NR system is used as an example for introduction, and the specific type of the base station is not limited.
  • the core network equipment may include but is not limited to at least one of the following: core network node, core network function, mobility management entity (Mobility Management Entity, MME), access mobility management function (Access and Mobility Management Function, AMF), session management function (Session Management Function, SMF), user plane function (User Plane Function, UPF), policy control function (Policy Control Function, PCF), policy and charging rules function unit (Policy and Charging Rules Function, PCRF), edge application service discovery function (Edge Application Server Discovery Function, EASDF), unified data management (Unified Data Management, UDM), unified data storage (Unified Data Repository, UDR), home user server (Home Subscriber Server, HSS), centralized network configuration (CNC), network storage function (Network Repository Function, NRF), network exposure function (Network Exposure Function, NEF), local NEF (Local NEF, or L-NEF), binding support function (Binding Support Function, BSF), application function (Application Function, AF), etc. It should be noted that in
  • an embodiment of the present application provides a method 200 for processing a data packet, which can be executed by a sending end.
  • the method for processing a data packet can be executed by software or hardware installed in the sending end, and the method for processing a data packet includes the following steps.
  • the transmitting end determines whether a first packet satisfies a first preset condition, the first packet includes multiple data packets, and the first preset condition is related to a delay requirement of the first packet and/or a delay requirement of data packets in the first packet.
  • the transmitting end may be a communication device for transmitting data packets.
  • the transmitting end may be a terminal, or may also be a network-side device (such as a base station). They may correspond to uplink (UL) or downlink (DL), respectively.
  • the first packet may be a packet of data packets to be transmitted in a certain protocol layer of the transmitting end, or may be a packet of data packets received by a certain protocol layer of the transmitting end from an upper layer or a lower layer (protocol layer), and the first packet may contain multiple data packets.
  • the first group may include at least one of the following:
  • Protocol Data Unit (PDU) set that is, PDU set;
  • PDU group i.e. PDU set group
  • Burst packet i.e. burst
  • Frame that is, frame
  • Slice that is, slice
  • Picture that is, picture
  • GOP Group of picture
  • PDU group that is, group of PDU
  • IP Internet Protocol
  • An upper layer data packet including at least one of the following: an application layer, an IP layer, a Radio Resource Control (RRC) layer, a Service Data Adaptation Protocol (SDAP) layer, a Packet Data Convergence Protocol (PDCP) layer, a Radio Link Control (RLC) layer, and a Medium Access Control (MAC) layer;
  • RRC Radio Resource Control
  • SDAP Service Data Adaptation Protocol
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • MAC Medium Access Control
  • the data packets corresponding to the Quality-of-service (QoS) flow that is, the data packets corresponding to the QoS flow.
  • data packets may be included in the first group, and optionally, at least one of the following may be included:
  • SDU PDCP service data unit
  • RLC carries the corresponding data packets
  • the first group and the data packets in the first group may have a corresponding relationship.
  • the data packets contained in the first group may be PDUs, not pictures or slices, etc.
  • the data packets contained in the first group may be PDU sets, not PDUs, nor burst packets or frames, etc. Examples are not given here one by one.
  • the first preset condition is a judgment condition related to the delay requirement of the first group and/or the delay requirement of the data packet in the first group.
  • the delay requirement of the first group and the delay requirement of the data packet in the first group are related to the actual business scenario of the data packet transmission, which is not specifically limited here.
  • the transmitting end may determine whether the first packet satisfies the first preset condition, so as to determine whether to discard the first packet or one or more data packets in the first packet, or whether to continue to transmit the first packet or one or more data packets in the first packet. Wherein, if the judgment result is that the first packet satisfies the first preset condition, S204 may be executed.
  • the transmitting end can perform a data packet discarding operation on the first packet.
  • the judgment is no longer based solely on the discard timer configured by the network side device, but the delay requirement of the data packet and/or the delay requirement of the data packet grouping is taken into account, and the determination of whether to discard the data packet is based on the preset conditions related to the delay requirement of the data packet and/or the data packet grouping. Therefore, it can avoid, to a certain extent, the waste of resources caused by the erroneous discarding of data packets or the continued transmission of useless data packets.
  • the first group satisfies the first preset condition, which may include at least one of the following (i) to (iv):
  • All data packets in the first group satisfy the first preset condition, which may include at least one of the following (1) to (3):
  • the preset time may include at least one of the following:
  • Protocol data unit delay budget PDB
  • protocol data unit set delay budget PDU set delay budget
  • PDB and PSDB can be the delay requirement of the sender or the delay requirement of the sender within a preset node.
  • the preset node can be the Radio Access Network (RAN) or the Core Network (CN).
  • the delay requirement can be the PDB or PSDB on the RAN side, or the PDB or PSDB on the CN side.
  • the remaining PDB/PSDB can be the total PDB/PSDB minus the delay of the previous transmission node or transmission interface or protocol layer processing.
  • the total PDB/PSDB minus the transmission and/or processing delay on the CN side can obtain the remaining PDB/PSDB on the RAN side.
  • the PDB/PSDB on the RAN side minus the transmission and/or processing delay of the SDAP layer can obtain the remaining PDB/PSDB of the PDCP layer.
  • the Discard Timer is a timer configured by the network side device.
  • the sending end When a protocol layer of the sending end needs to transmit the first packet, or when a protocol layer of the sending end receives the first packet sent by the previous protocol layer, the sending end will start the discard timer corresponding to each data packet in the first packet or the discard timer corresponding to the SDU corresponding to each data packet, and determine whether the discard timer has timed out.
  • the network side device that configures the discard timer can be a base station, and when the sending end is a base station, the network side device can be a core network node.
  • the remaining data packets in the first group may include at least one of the following:
  • the first group Data packets In addition to the transmitted data packets (including successfully transmitted data packets and failed transmission data packets), the first group Data packets;
  • Data packets in the first group other than data packets delivered to an upper layer or a lower layer;
  • the remaining data packets in the first group satisfy the first preset condition, which may include at least one of the following (1) to (4):
  • the preset time may include at least one of the following:
  • PDB and PSDB are the delay requirements of the sender or the delay requirements of the sender in a preset node, such as PDB or PSDB on the RAN side, or PDB or PSDB on the CN side.
  • the remaining PDB/PSDB can be the total PDB/PSDB minus the delay of the previous transmission node or transmission interface or protocol layer processing.
  • the preset ratio may be configured by a network-side device or agreed upon by a protocol, and is not specifically limited here.
  • the second target data packet in the first group may include at least one of the following (1) to (13):
  • the data packets in the first group can be divided into three levels according to priority: high, medium and low.
  • the second target data packet can be a data packet of other priorities except the highest priority in the first group, for example, a data packet of medium priority, or a data packet of low priority, or a data packet of medium priority and low priority.
  • the factors determining the priority of the data packet can be determined according to the actual business scenario, or the priority of the data packet can also be indicated by the network side device, which is not specifically limited here.
  • the priority includes three levels, namely, high, medium and low, is used here for explanation.
  • the priority may also have two or more levels, and the second target data packet may be a data packet of one or more priorities other than the highest priority. Examples will not be given one by one here.
  • the data packets in the first group can be divided into three levels according to their importance: high, medium and low.
  • the second target data packet can be a data packet of other levels of importance in the first group except the high level, for example, a data packet of medium importance, a data packet of low importance, or a data packet of medium and low importance.
  • the factors that determine the importance of the data packet can be determined according to the actual business scenario, or the importance of the data packet can also be indicated by the network side device, which is not specifically limited here.
  • the importance includes three levels: high, medium and low. In other possible implementations, the importance may also have two or more levels.
  • the second target data packet may be a data packet of the highest importance except the highest level. As for data packets of one or more levels other than the level 1, examples are not given one by one here.
  • the first data packet is not dependent on other data packets in the first group or is not associated with other data packets in the first group, and the transmission or demodulation of the first data packet is not dependent on other data packets in the first group or is not associated with other data packets in the first group.
  • the receiving end receives data packet 1 and data packet 2 successively.
  • demodulating the data packets if the demodulation of data packet 2 is irrelevant to whether data packet 1 is successfully demodulated, it can be said that data packet 2 is not dependent on data packet 1 or is not associated with data packet 1.
  • the second data packet is not dependent on or associated with other data packets in the first group, and the transmission or demodulation of other data packets in the first group is not dependent on or associated with the second data packet.
  • the receiving end receives data packet 1 and data packet 2 successively.
  • demodulating the data packets if the demodulation of data packet 2 is irrelevant to whether data packet 1 is successfully demodulated, it can be said that data packet 1 is not dependent on or associated with data packet 2.
  • a third data packet in the first group is not dependent on or associated with a data packet in the second group, and the second group is a group other than the first group;
  • the second group is a group different from the first group.
  • the data packets and data packet types contained in the second group can refer to the above explanation of the first group, and will not be described again here.
  • the third data packet in the first group is not dependent on or associated with the data packet in the second group. It can be that the transmission or demodulation of the data packet in the second group does not depend on the third data packet or is associated with the third data packet. For details, please refer to the example description in the above item (4), and will not be described again here.
  • the data packets in the first group can be divided into three levels according to the priority: high, medium and low.
  • the second target data packet can be the data packet with the highest priority in the first group.
  • the factors that determine the priority of the data packet can be determined according to the actual business scenario, or the priority of the data packet can be indicated by the network side device, which is not specifically limited here.
  • the priority includes three levels: high, medium and low.
  • the priority may also have two or more levels, and the second target data packet may be the highest priority data packet. Examples will not be given one by one here.
  • the data packets in the first group can be divided into three levels according to their importance: high, medium and low.
  • the second target data packet can be a data packet with high importance in the first group.
  • the factors that determine the importance of the data packet can be determined according to the actual business scenario, or the importance of the data packet can be indicated by the network side device, which is not specifically limited here.
  • the importance including three levels of high, medium and low is used as an example here for explanation. In other possible implementations, the importance may also have two or more levels.
  • the second target data packet may be a data packet with the highest importance level. Examples will not be given one by one here.
  • the fourth data packet depends on other data packets in the first group or is associated with other data packets in the first group, and the transmission or demodulation of the fourth data packet depends on other data packets in the first group or is associated with other data packets in the first group.
  • the receiving end receives data packet 1 and data packet 2 successively.
  • demodulating the data packets if data packet 2 can be demodulated only after data packet 1 is successfully demodulated, it can be said that data packet 2 depends on data packet 1 or is associated with data packet 1.
  • the fifth data packet is dependent on or associated with other data packets in the first group, and the transmission or demodulation of other data packets in the first group depends on or is associated with the fifth data packet.
  • the receiving end receives data packet 1 and data packet 2 successively.
  • demodulating the data packets if data packet 2 can be demodulated only after data packet 1 is successfully demodulated, it can be said that data packet 1 is dependent on or associated with data packet 2.
  • the second group is a group of other data packets, and for details, please refer to the above explanation of the first group, which will not be repeated here.
  • the sixth data packet in the first group is dependent on or associated with the data packet in the second group, and the transmission or demodulation of the data packet in the second group may be dependent on the sixth data packet or associated with the sixth data packet, and for details, please refer to the example description in the above item (9), which will not be repeated here.
  • the data packets in the first group all have corresponding sequence numbers (sequence number, SN) or numbers. According to the order of the sequence numbers or numbers, the first data packet in the first group can be used as the second target data packet, or the first N data packets in the first group can be used as the second target data packets, where N is a positive integer greater than 1, which can be specifically configured by the network side device or agreed upon by the protocol.
  • the data packets in the first group all have corresponding serial numbers or numbers. According to the order of the serial numbers or numbers, the last data packet in the first group can be used as the second target data packet, or the last M data packets in the first group can be used as the second target data packets, where M is a positive integer greater than 1, which can be specifically configured by the network side device or agreed upon by the protocol.
  • the network side device can indicate which data packets in the first group are the second target data packets.
  • the network side device when the transmitting end is a terminal, can be a base station, and when the transmitting end is a base station, the network side device can be a core network device or a core network node.
  • the data packets indicated by the network side device are data packets that can be discarded.
  • the second target data packet in the first group satisfies the first preset condition, which may include any of the following (1) to (3): One less item:
  • the preset time may include at least one of the following:
  • PDB or PSDB Remaining PDB or Remaining PSDB.
  • PDB and PSDB are the delay requirements of the sender or the delay requirements of the sender in a preset node, for example, it can be PDB or PSDB on the RAN side, or PDB or PSDB on the CN side.
  • the remaining PDB/PSDB can be the total PDB/PSDB minus the delay of the previous transmission node or transmission interface or protocol layer processing.
  • the first group satisfies the second preset condition, which may include at least one of the following (1) to (6):
  • the preset time may include at least one of the following:
  • PDB and PSDB are the delay requirements of the sender or the delay requirements of the sender in a preset node, such as PDB or PSDB on the RAN side, or PDB or PSDB on the CN side.
  • the remaining PDB/PSDB can be the total PDB/PSDB minus the delay of the previous transmission node or transmission interface or protocol layer processing.
  • the preset threshold may be configured or indicated by a network side device, or may be agreed upon by a protocol.
  • the network side device when the transmitting end is a terminal, the network side device may be a base station, and when the transmitting end is a base station, the network side device may be a core network device or a core network node.
  • the remaining delay may include at least one of the following:
  • the PDB and/or PSDB remaining at the transmitting end or protocol layer of the first packet or the data packets in the first packet;
  • the remaining delay requirement of the first packet or the data packets in the first packet at the sending end or the protocol layer is the remaining delay requirement of the first packet or the data packets in the first packet at the sending end or the protocol layer.
  • the remaining PDB/PSDB here can be the total PDB/PSDB minus the delay of the previous transmission node or transmission interface or protocol layer processing, and the remaining delay requirements are the same.
  • the total PDB/PSDB minus the transmission and/or processing delay on the CN side can be used to obtain the remaining PDB/PSDB on the RAN side.
  • the PDB/PSDB on the RAN side minus the transmission and/or processing delay of the SDAP layer can be used to obtain the remaining PDB/PSDB on the PDCP layer.
  • the protocol layer may include at least one of the following:
  • SDAP Service Data Adaptation Protocol
  • PDCP Packet Data Convergence Protocol
  • Radio Link Control (RLC) layer Radio Link Control (RLC) layer
  • MAC Medium Access Control
  • PHY Physical layer
  • Non-Access Stratum (NAS) layer is N-Access Stratum (NAS) layer.
  • NAS Non-Access Stratum
  • the first group has insufficient resources
  • the insufficient resources here may be insufficient resources used by the transmitting end to send the first packet, or insufficient resources corresponding to the first packet, specifically, the resources cannot transmit the complete first packet.
  • the channel conflict or congestion here may be that there is a channel conflict or congestion when the transmitting end sends the first packet, or there is a conflict or congestion on the channel corresponding to the first packet.
  • the channel quality of the first group is lower than the preset threshold.
  • the channel quality being lower than the preset threshold may be that the quality of the channel used to send the first packet is lower than the preset threshold.
  • the preset threshold may be configured or indicated by a network side device, or agreed upon by a protocol.
  • the transmitting end when the transmitting end determines that the first packet satisfies any one or more of the above (i) to (iv), the first packet can be considered to meet the first preset condition.
  • the transmitting end can perform a data packet discard operation on the first packet.
  • the transmitting end performs a data packet discarding operation on the first packet, which may include at least one of the following:
  • the first target data packet in the first group is discarded.
  • the sender may discard all data packets in the first group (i.e., discard the first group), and/or discard part of the data packets in the first group, which may be the remaining data packets in the first group and/or the first target data packets in the first group.
  • the remaining data packets in the first group can refer to the explanation of the remaining data packets in the above-mentioned item (ii) of the first group satisfying the first preset condition, and will not be repeated here.
  • the first target data packet in the first group may include at least one of the following (1) to (6):
  • a third data packet in the first group is not dependent on or associated with a data packet in the second group, and the second group includes one or more data packets;
  • the above items (1) to (5) included in the first target data packet can refer to the above explanations of items (1) to (5) in the second target data packet, and will not be repeated here.
  • the sender may perform any one or more of the above data packet discarding operations.
  • the sending end may further include the following steps:
  • the sender may also determine whether the communication state satisfies the third preset condition.
  • the third preset condition may include at least one of the following (1) to (4):
  • the insufficient resources here may be insufficient system resources of the sending end itself, that is, insufficient system resources used by the sending end to transmit data (including but not limited to the system resources corresponding to the first packet).
  • channel conflict or congestion may be that the sending end itself has channel conflict or congestion, that is, the sending end has channel conflict or congestion when transmitting data (including but not limited to data corresponding to the first packet).
  • the channel quality here may be the channel quality for the transmitting end, including but not limited to the quality of the channel used to transmit the first packet.
  • the preset threshold may be configured or indicated by the network side device, or agreed upon by a protocol.
  • the sending end receives first indication information related to the data packet.
  • the first indication information is indication information related to the data packet to be transmitted by the transmitting end.
  • the first indication information may be indicated by a network side device (when the transmitting end is a terminal, the network side device may be a base station, and when the transmitting end is a base station, the network side device may be a core network device or a core network node), and/or the first indication information may be carried in the first packet or in a data packet within the first packet.
  • the first indication information may be used to indicate at least one of the following (1) to (4):
  • the sender can discard data packets or packets
  • the first indication information can be used to indicate that the sender can perform a discard operation on a data packet or a data packet grouping.
  • the operation of discarding a data packet or a data packet grouping can be performed, or the operation of discarding a data packet or a data packet grouping can be not performed.
  • the sender may discard the first packet or a data packet in the first packet
  • the first indication information can be used to indicate that the sender can perform a discard operation on the first group or the data packets in the first group.
  • the discard operation on the first group or the data packets in the first group can be performed, or the discard operation on the first group or the data packets in the first group can not be performed.
  • the first packet or a data packet in the first packet may be discarded
  • the first indication information can be used to indicate that the first packet or a data packet in the first packet can be discarded.
  • the sender under the indication of the first indication information, it can be known that the first packet can be discarded or a data packet in the first packet can be discarded.
  • a discardable data packet or a discardable group or a discardable data packet type or a discardable group type is a discardable group type.
  • the first indication information can be used to indicate which data packets can be discarded, or which data packet groups can be discarded, or which types of data packets can be discarded, or which types of data packet groups can be discarded.
  • the discardable data packets or groups can be indicated in the first indication information, so that the sender can know that the data packets or groups in the first indication information can be discarded.
  • the transmitting end may perform a data packet discarding operation on the first packet when determining that its communication state satisfies any one or more of the above four third preset conditions.
  • the transmitting end may discard the first packet and/or discard part of the data packets in the first packet (such as the remaining data packets in the first packet or the first target data packet), and if the communication state of the transmitting end satisfies item (4) of the above third preset conditions, the transmitting end may discard the data packet or packet indicated by the first indication information.
  • the sender when the sender determines whether to discard the first packet or the data packet in the first packet, it can make the judgment only based on the first preset condition, that is, when the first packet meets the first preset condition, it is determined to discard the first packet or the data packet in the first packet.
  • the sender can also make the judgment only based on the third preset condition, that is, when the communication state of the sender meets the third preset condition, it is determined to discard the first packet or the data packet in the first packet.
  • the first packet meets the first preset condition and the communication state of the sender meets the third preset condition, it is determined to discard the first packet or the data packet in the first packet. No specific limitation is made here.
  • the sending end may further include the following steps:
  • Determining whether the first group satisfies a fourth preset condition Determining whether the first group satisfies a fourth preset condition, where the fourth preset condition is related to a delay requirement of the first group and/or a delay requirement of a data packet in the first group;
  • the sender before transmitting the first packet, the sender can determine whether the first packet meets the fourth preset condition. If so, the sender may not discard the first packet or the data packets in the first packet, but perform a transmission operation on the first packet, that is, continue to transmit the first packet or the data packets in the first packet.
  • the fourth preset condition may be related to the delay requirement of the first packet and/or the delay requirement of the data packets in the first packet.
  • the delay requirement of the first packet and/or the delay requirement of the data packets in the first packet may be taken into account, and a determination may be made based on the preset condition related to the delay requirement of the first packet and/or the data packets in the first packet whether to continue transmitting the data packets. Therefore, the problem of waste of resources caused by continued transmission of invalid data packets may be avoided.
  • the first group satisfies the fourth preset condition, which may include at least one of the following (i) to (iv):
  • the first group contains a data packet that satisfies the fourth preset condition, which may include at least one of the following (1) to (3):
  • the preset time may include at least one of the following:
  • PDB and PSDB are the delay requirements of the sender or the delay requirements of the sender in a preset node, such as PDB or PSDB on the RAN side, or PDB or PSDB on the CN side.
  • the remaining PDB/PSDB can be the total PDB/PSDB minus the delay of the previous transmission node or transmission interface or protocol layer processing.
  • the remaining data packets in the first group may include at least one of the following:
  • Data packets in the first group other than data packets delivered to an upper layer or a lower layer;
  • the remaining data packets of the first group contain data packets that meet the fourth preset condition, which may include at least one of the following (1) to (4):
  • the preset time may include at least one of the following:
  • PDB and PSDB are the delay requirements of the sender or the delay requirements of the sender in a preset node, such as PDB or PSDB on the RAN side, or PDB or PSDB on the CN side.
  • the remaining PDB/PSDB can be the total PDB/PSDB minus the delay of the previous transmission node or transmission interface or protocol layer processing.
  • the remaining data packets of the first group are less than or equal to a preset ratio.
  • the preset ratio may be configured by the network side device or agreed upon by protocol.
  • the second target data packet is the same as the second target data packet in the above-mentioned “the second target data packet in the first group satisfies the first preset condition”, and may include at least one of the following:
  • the data packets in the first group have a medium, low or non-high priority
  • the data packets in the first group are of medium, low or non-high importance
  • first data packet in a first group, the first data packet being independent of or not associated with other data packets in the first group;
  • the third data packet is not dependent on or associated with a data packet in the second group, and the second group is a group other than the first group;
  • the data packets with high or non-low or non-medium priority in the first group are the data packets with high or non-low or non-medium priority in the first group;
  • a sixth data packet in the first group the sixth data packet being dependent on or associated with other data packets in the second group;
  • the last data packet or the last M data packets in the first group where M is configured by the network device or agreed upon by the protocol;
  • the data packets indicated by the network side device are data packets that can be discarded.
  • the second target data packets of the first group contain data packets that meet the fourth preset condition, which may include at least one of the following (1) to (3):
  • the preset time may include at least one of the following:
  • PDB and PSDB are the delay requirements of the sender or the delay requirements of the sender in a preset node, such as PDB or PSDB on the RAN side, or PDB or PSDB on the CN side.
  • the remaining PDB/PSDB can be the total PDB/PSDB minus the delay of the previous transmission node or transmission interface or protocol layer processing.
  • the first group satisfies the fifth preset condition, which may include at least one of the following (1) to (6):
  • the preset time may include at least one of the following:
  • PDB and PSDB are the delay requirements of the sender or the delay requirements of the sender in a preset node, such as PDB or PSDB on the RAN side, or PDB or PSDB on the CN side.
  • the remaining PDB/PSDB can be the total PDB/PSDB minus the delay of the previous transmission node or transmission interface or protocol layer processing.
  • the preset threshold may be configured or indicated by a network-side device, or may be agreed upon by a protocol.
  • the remaining delay may include at least one of the following:
  • the PDB and/or PSDB remaining at the transmitting end or protocol layer of the first packet or the data packets in the first packet;
  • the remaining delay requirement of the first packet or the data packets in the first packet at the sending end or the protocol layer is the remaining delay requirement of the first packet or the data packets in the first packet at the sending end or the protocol layer.
  • the remaining PDB/PSDB here can be the total PDB/PSDB minus the delay of the previous transmission node or transmission interface or protocol layer processing, and the remaining delay requirements are the same.
  • the total PDB/PSDB minus the transmission and/or processing delay on the CN side is obtained to obtain the remaining PDB/PSDB on the RAN side.
  • the PDB/PSDB on the RAN side minus the transmission and/or processing delay of the SDAP layer is obtained to obtain the remaining PDB/PSDB of the PDCP layer.
  • the protocol layer may include at least one of the following:
  • SDAP layer SDAP layer; PDCP layer; RLC layer; MAC layer; PHY layer; NAS layer.
  • the first group has sufficient resources
  • the sufficient resources here may refer to sufficient resources used by the transmitting end to send the first packet, or sufficient resources corresponding to the first packet, and specifically refers to that the resources can transmit the complete first packet.
  • the absence of channel conflict or congestion may mean that there is no channel conflict or congestion when the transmitting end sends the first packet, or there is no conflict or congestion on the channel corresponding to the first packet.
  • the channel quality of the first group is higher than or equal to a preset threshold.
  • the channel quality being higher than or equal to the preset threshold may be that the quality of the channel used to send the first packet is higher than or equal to the preset threshold.
  • the preset threshold may be configured or indicated by a network side device, or agreed upon by a protocol.
  • the transmitting end when the transmitting end determines that the first packet satisfies any one or more of the above (i) to (iv), the first packet may be considered to meet the fourth preset condition.
  • the transmitting end may perform a transmission operation on the first packet.
  • the transmitting end performs a data packet transmission operation on the first packet, which may include at least one of the following:
  • a first target data packet in a first packet is transmitted.
  • the transmitting end may transmit all data packets in the first group (i.e., transmit the first group), and/or transmit part of the data packets in the first group, which may be the remaining data packets in the first group and/or the first target data packets in the first group.
  • the remaining data packets in the first group can refer to the above explanation of the remaining data packets when the remaining data packets in the first group are discarded, and the description is not repeated here.
  • the first target data packet in the first group can refer to the above explanation of the first target data packet when the transmitting end discards the first target data packet, which may specifically include at least one of the following:
  • the data packets in the first group have a medium, low or non-high priority
  • the data packets in the first group are of medium, low or non-high importance
  • a first data packet in a first group the first data packet is not dependent on other data packets in the first group or is not related to the Other data packets in the first group are associated;
  • a third data packet in the first group not being dependent on or associated with a data packet in the second group, the second group including one or more data packets;
  • the transmitting end may perform any one or more of the above data packet transmission operations.
  • the sending end may further include the following steps:
  • a data packet transmission operation is performed on the first packet.
  • the transmitting end may also determine whether the communication state satisfies the sixth preset condition.
  • the sixth preset condition includes at least one of the following (1) to (4):
  • the sending end has sufficient resources
  • the sufficient resources here may be sufficient system resources of the sending end itself, that is, sufficient system resources used by the sending end to transmit data (including but not limited to the system resources corresponding to the first packet).
  • channel conflict or congestion means that the sending end itself does not have channel conflict or congestion, that is, the sending end does not have channel conflict or congestion when transmitting data (including but not limited to data corresponding to the first packet).
  • the channel quality here may be the channel quality for the transmitting end, including but not limited to the quality of the channel used to transmit the first packet.
  • the preset threshold may be configured or indicated by the network side device, or agreed upon by a protocol.
  • the sending end receives second indication information related to the data packet.
  • the second indication information is indication information related to the data packet to be transmitted by the transmitting end.
  • the second indication information may be indicated by a network side device (when the transmitting end is a terminal, the network side device may be a base station, and when the transmitting end is a base station, the network side device may be a core network device or a core network node), and/or the second indication information may be carried in the first packet or in a data packet within the first packet.
  • the second indication information may be used to indicate at least one of the following (1) to (4):
  • the second indication information can be used to indicate that the sending end cannot perform a discard operation on the data packet or the data packet grouping. For the sending end, under the instruction of the second indication information, the data packet or the data packet grouping cannot be discarded.
  • the second indication information can be used to indicate that the sender cannot perform a discard operation on the first packet or a data packet in the first packet.
  • the first packet or a data packet in the first packet cannot be discarded.
  • the second indication information can be used to indicate that the first packet or the data packets in the first packet cannot be discarded.
  • the sender under the indication of the second indication information, it can be known that the first packet or the data packets in the first packet cannot be discarded.
  • Non-discardable data packet or non-discardable group or non-discardable data packet type or non-discardable group type
  • the second indication information can be used to indicate which data packets cannot be discarded, or which data packet groups cannot be discarded, or which types of data packets cannot be discarded, or which types of data packet groups cannot be discarded.
  • the data packets or groups that cannot be discarded can be indicated in the second indication information, so that the sending end can know that the data packets or groups in the second indication information cannot be discarded.
  • the transmitting end may perform a data packet transmission operation for the first group when determining that its communication state satisfies any one or more of the above four sixth preset conditions.
  • the transmitting end may continue to transmit the first group and/or part of the data packets in the first group (such as the remaining data packets in the first group or the first target data packet), and if the communication state of the transmitting end satisfies item (4) of the above sixth preset condition, the transmitting end may continue to transmit the data packets or groups indicated by the second indication information.
  • the sender when the sender determines whether to continue transmitting the first packet or the data packets in the first packet, it can make the judgment only based on the fourth preset condition, that is, when the first packet meets the fourth preset condition, it is determined to continue transmitting the first packet or the data packets in the first packet.
  • the sender can also make the judgment only based on the sixth preset condition, that is, when the communication status of the sender meets the sixth preset condition, it is determined to continue transmitting the first packet or the data packets in the first packet.
  • the fourth preset condition and the sixth preset condition at the same time, that is, when the first packet meets the fourth preset condition and the communication status of the sender meets the sixth preset condition, it is determined to continue transmitting the first packet or the data packets in the first packet. No specific limitation is made here.
  • Embodiment 1 When a first packet satisfies a first preset condition, and the first preset condition is that all data packets in the first packet exceed a preset time, the transmitting end may discard the first packet.
  • the first group is a PDU set. If the PDBs of all PDUs in the PDU set have timed out (that is, all data packets in the first group exceed the preset time), the sender can discard the PDU set.
  • Embodiment 2 When the remaining data packets in the first group meet the first preset condition, the transmitting end may discard the remaining data packets in the first group.
  • Embodiment 3 When the second target data packet in the first group meets the first preset condition, the transmitting end may The first packet or the first target data packet in the first packet is discarded.
  • the transmitting end may discard the first target data packet or the first group, and the first target data packet here may be the same as the second target data packet.
  • the transmitting end may discard the first target data packet or the first group, where the first target data packet may be a data packet with low priority and/or a data packet with low importance in the first group.
  • Embodiment 4 When the first packet satisfies the first preset condition, and the first preset condition is that the first packet exceeds a preset time, the transmitting end may discard the first packet.
  • the first packet is a PDU set. If the PSDB of the PDU set times out (that is, the first packet exceeds the preset time), the sender can discard the PDU set.
  • Embodiment 5 When the first packet satisfies the first preset condition, and the first preset condition is that all data packets in the first packet exceed the preset time and the first packet exceeds the preset time, the transmitting end may discard the first packet.
  • the first packet is a PDU set. If the PSDB of the PDU set times out (that is, the first packet exceeds the preset time), and the PDBs of all PDUs in the PDU set time out (that is, all data packets in the first packet exceed the preset time), the sender can discard the PDU set.
  • the PDU can continue to be transmitted.
  • the PDU can also continue to be transmitted.
  • Embodiment 6 Before transmitting the first packet, if the transmitting end determines that its communication state satisfies at least one of the following conditions, the transmitting end may discard the first packet or a data packet in the first packet.
  • the conditions include:
  • the sending end receives first indication information related to the data packet.
  • the first group is a PDU set. If the sending end has insufficient resources and receives indication information indicating that the PDU set can be discarded, the sending end can discard the PDU set.
  • Embodiment 7 The first group satisfies the fourth preset condition, and the fourth preset condition is that there is When the number of data packets that have not exceeded the preset time and the number of remaining data packets in the first group is less than or equal to the preset ratio, the transmitting end may continue to transmit the first group or the data packets in the first group.
  • the first group is a PDU set. If the PSDB of the PDU set is expired, but the PDB of the PDU in the PDU set is not expired (i.e., there are data packets in the first group that have not exceeded the preset time (PDB)), and the proportion of remaining data packets in the PDU set is less than the preset proportion (i.e., the remaining data packets in the first group are less than the preset proportion), then the sender can continue to transmit the PDU set.
  • PDB of the PDU in the PDU set is not expired (i.e., there are data packets in the first group that have not exceeded the preset time (PDB)
  • the proportion of remaining data packets in the PDU set is less than the preset proportion (i.e., the remaining data packets in the first group are less than the preset proportion)
  • Embodiment 8 Before transmitting the first packet, if the transmitting end determines that its communication state satisfies at least one of the following conditions, the transmitting end may continue to transmit the first packet or a data packet in the first packet.
  • the conditions include:
  • the sending end has sufficient resources
  • the sending end receives second indication information related to the data packet.
  • the first packet is a PDU set. If the current resources of the sender are sufficient, or there is no communication conflict or congestion at the sender, or the signal condition at the sender meets the communication requirements, the sender can continue to transmit the PDU set.
  • the transmitting end can determine whether the first packet satisfies a first preset condition, and when determining that the first packet satisfies the first preset condition, perform a data packet discard operation on the first packet, wherein the first preset condition is related to the delay requirement of the first packet and/or the delay requirement of the data packets in the first packet.
  • the delay requirement of the data packet and/or the delay requirement of the data packet grouping can be taken into account, and whether to discard the data packet is determined based on the preset conditions related to the delay requirement of the data packet and/or the data packet grouping, therefore, it is possible to avoid, to a certain extent, the waste of resources caused by the erroneous discarding of data packets or the continued transmission of useless data packets.
  • the data packet processing method provided in the embodiment of the present application can be executed by a data packet processing device.
  • the data packet processing device provided in the embodiment of the present application is described by taking the data packet processing method executed by the data packet processing device as an example.
  • Fig. 3 is a schematic diagram of the structure of a data packet processing device according to an embodiment of the present application, and the device may correspond to a transmitting end in other embodiments. As shown in Fig. 3, the device 300 includes the following modules.
  • a determination module 301 is used to determine whether a first group satisfies a first preset condition, wherein the first group includes multiple data packets, and the first preset condition is related to a delay requirement of the first group and/or a delay requirement of data packets in the first group;
  • the processing module 302 is used to perform a data packet discarding operation on the first group when it is determined that the first group meets the first preset condition.
  • processing module 302 is used for at least one of the following:
  • the first target data packet in the first group is discarded.
  • the first group satisfies the first preset condition, including at least one of the following:
  • the remaining data packets in the first group meet the first preset condition
  • the second target data packet in the first group meets the first preset condition
  • the first group meets a second preset condition.
  • all data packets in the first group satisfy the first preset condition, including at least one of the following:
  • the discard timers corresponding to all the data packets in the first group have timed out
  • the discard timers corresponding to the service data units SDU corresponding to all the data packets in the first group have timed out.
  • the remaining data packets in the first group satisfy the first preset condition, including at least one of the following:
  • the remaining data packets in the first group all exceed the preset time
  • the discard timers corresponding to the remaining data packets in the first group all time out
  • the discard timers corresponding to the SDUs corresponding to the remaining data packets in the first group all time out;
  • the remaining data packets in the first group are greater than or equal to a preset ratio.
  • the second target data packet in the first group satisfies the first preset condition, including:
  • the second target data packets in the first group all exceed the preset time
  • the discard timers corresponding to the second target data packets in the first group all time out
  • the discard timers corresponding to the SDUs corresponding to the second target data packet in the first group all time out.
  • the first group satisfies the second preset condition, including at least one of the following:
  • the first group exceeds a preset time
  • the discard timer corresponding to the SDU corresponding to the first packet times out
  • the remaining delay corresponding to the first group is less than a preset threshold
  • the resources of the first group are insufficient
  • the channel quality of the first group is lower than a preset threshold.
  • the determination module 301 is further used to determine whether the communication state meets a third preset condition
  • the processing module 302 is further configured to, when it is determined that the communication state satisfies the third preset condition, perform a data packet discarding operation on the first packet;
  • the third preset condition includes at least one of the following:
  • the sending end has insufficient resources
  • the channel quality of the transmitting end is lower than a preset threshold
  • the sending end receives first indication information related to the data packet.
  • the first indication information is used to indicate at least one of the following:
  • the transmitting end may discard data packets or packets
  • the transmitting end may discard the first packet or a data packet in the first packet
  • the first group or a data packet in the first group may be discarded
  • a discardable data packet or a discardable packet or a discardable data packet type or a discardable packet type is a discardable packet type.
  • the first indication information is indicated by a network side device, and/or the first indication information is carried in the first group or in a data packet within the first group.
  • the determination module 301 is further used to determine whether the first group meets a fourth preset condition, where the fourth preset condition is related to a delay requirement of the first group and/or a delay requirement of a data packet in the first group;
  • the processing module 302 is further configured to, when it is determined that the first group satisfies the fourth preset condition, perform a data packet transmission operation on the first group.
  • processing module 302 is further used for at least one of the following:
  • the first target data packet in the first group is transmitted.
  • the first group satisfies the fourth preset condition, including at least one of the following:
  • the first group meets a fifth preset condition.
  • the first group contains a data packet that satisfies the fourth preset condition, including at least one of the following:
  • the first group contains a data packet whose discard timer corresponding to the corresponding SDU has not timed out.
  • the remaining data packets of the first group contain data packets that meet the fourth preset condition, including at least one of the following:
  • the remaining data packets of the first group are less than or equal to a preset ratio.
  • a data packet satisfying the fourth preset condition in the second target data packet of the first group including at least one of the following:
  • the second target data packet of the first group contains a data packet whose discard timer corresponding to the corresponding SDU has not timed out.
  • the first group satisfies a fifth preset condition, including at least one of the following:
  • the first group does not exceed the preset time
  • the discard timer corresponding to the SDU corresponding to the first packet has not timed out
  • the remaining delay corresponding to the first group is greater than or equal to a preset threshold
  • the resources of the first group are sufficient;
  • the channel quality of the first group is higher than or equal to a preset threshold.
  • the determination module 301 is further used to determine whether the communication state meets a sixth preset condition
  • the processing module 302 is further configured to, when it is determined that the communication state satisfies the sixth preset condition, perform a data packet transmission operation on the first group;
  • the sixth preset condition includes at least one of the following:
  • the sending end has sufficient resources
  • the channel quality of the transmitting end is higher than or equal to a preset threshold
  • the sending end receives second indication information related to the data packet.
  • the second indication information is used to indicate at least one of the following:
  • the transmitting end may not discard data packets or packets
  • the transmitting end cannot discard the first packet or the data packets in the first packet
  • the first group or the data packets in the first group cannot be discarded
  • Non-discardable data packet or non-discardable packet or non-discardable data packet type or non-discardable packet type are examples of
  • the second indication information is indicated by a network side device, and/or the second indication information is carried in the first group or in a data packet within the first group.
  • the first target data packet includes at least one of the following:
  • the data packets in the first group have a medium, low or non-high priority
  • the data packets in the first group are of medium, low or non-high importance
  • the first data packet being independent of or not associated with other data packets in the first group;
  • a third data packet in the first group the third data packet being not dependent on or associated with a data packet in the second group, the second group including one or more data packets;
  • the remaining data packets include at least one of the following:
  • the data packets in the first group except the data packets that have been delivered to the upper layer or the lower layer;
  • the second target data packet includes at least one of the following:
  • the data packets in the first group have a medium, low or non-high priority
  • the data packets in the first group are of medium, low or non-high importance
  • the first data packet being independent of or not associated with other data packets in the first group;
  • the third data packet is not dependent on or associated with a data packet in the second group, and the second group is a group other than the first group;
  • the data packets in the first group have a high priority or a non-low priority or a non-medium priority
  • the data packets in the first group are of high importance or non-low importance or non-medium importance;
  • a sixth data packet in the first group the sixth data packet being dependent on or associated with other data packets in the second group;
  • the last data packet or the last M data packets in the first group where M is configured by the network side device or agreed upon by the protocol;
  • the remaining delay includes at least one of the following:
  • the PDB and/or PSDB remaining at the transmitting end or protocol layer of the first packet or the data packets in the first packet;
  • the remaining delay requirement of the first group or the data packets in the first group at the sending end or the protocol layer is the remaining delay requirement of the first group or the data packets in the first group at the sending end or the protocol layer.
  • the sending end is a terminal or a network side device.
  • the protocol layer includes at least one of the following:
  • Radio link control RLC layer Radio link control RLC layer
  • Non-access NAS layer is a Non-access NAS layer.
  • the preset time includes at least one of the following:
  • the PDB and the PSDB are the delay requirements of the sending end or the delay requirements of the sending end within a preset node.
  • the first group includes at least one of the following:
  • Protocol data unit set PDU set
  • An upper layer data packet including at least one of the following: an application layer, an IP layer, a radio resource control RRC layer, a SDAP, a layer, a PDCP layer, a RLC layer, and a MAC layer;
  • the data packet contained in the first group includes at least one of the following:
  • RLC carries the corresponding data packets
  • the process of the method 200 corresponding to the embodiment of the present application can be referred to, and the various units/modules in the device 300 and the above-mentioned other operations and/or functions are respectively for implementing the corresponding processes in the method 200, and can achieve the same or equivalent technical effects. For the sake of brevity, they will not be repeated here.
  • the data packet processing device in the embodiment of the present application may be an electronic device, such as an electronic device with an operating system, or a component in an electronic device, such as an integrated circuit or a chip.
  • the electronic device may be a terminal, or may be other devices other than a terminal.
  • the terminal may include but is not limited to the types of terminal 11 listed above, and other devices may be servers, network attached storage (NAS), etc., which are not specifically limited in the embodiment of the present application.
  • the data packet processing device provided in the embodiment of the present application can implement each process implemented by the method embodiment of Figure 2 and achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiment of the present application further provides a communication device 400, including a processor 401 and a memory 402, wherein the memory 402 stores a program or instruction that can be run on the processor 401.
  • the communication device 400 is a terminal
  • the program or instruction is executed by the processor 401 to implement the various steps of the embodiment of the method for processing the above-mentioned data packet, and can achieve the same technical effect.
  • the communication device 400 is a network side device
  • the program or instruction is executed by the processor 401 to implement the various steps of the embodiment of the method for processing the above-mentioned data packet, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiment of the present application also provides a communication device, including a processor and a communication interface, the processor is used to determine whether a first group meets a first preset condition, the first group contains multiple data packets, and the first preset condition is related to the delay requirement of the first group and/or the delay requirement of the data packets in the first group; when it is determined that the first group meets the first preset condition, a data packet discard operation is performed on the first group.
  • This communication device embodiment corresponds to the above-mentioned sending end side method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to the communication device embodiment, and can achieve the same technical effect.
  • Figure 5 is a schematic diagram of the hardware structure of a communication device that implements an embodiment of the present application.
  • the terminal 500 includes but is not limited to: a radio frequency unit 501, a network module 502, an audio output unit 503, an input unit 504, a sensor 505, a display unit 506, a user input unit 507, an interface unit 508, a memory 509 and at least some of the components of a processor 510.
  • the terminal 500 may also include a power source (such as a battery) for supplying power to each component, and the power source may be logically connected to the processor 510 through a power management system, so that the power management system can manage charging, discharging, and power consumption management.
  • a power source such as a battery
  • the terminal structure shown in FIG5 does not constitute a limitation on the terminal, and the terminal may include more or fewer components than shown in the figure, or combine certain components, or arrange components differently, which will not be described in detail here.
  • the radio frequency unit 501 after receiving downlink data from the network side device, can transmit the data to the processor 510 for processing; in addition, the radio frequency unit 501 can send uplink data to the network side device.
  • the radio frequency unit 501 includes but is not limited to an antenna, an amplifier, a transceiver, a coupler, a low noise amplifier, a duplexer, etc.
  • the memory 509 can be used to store software programs or instructions and various data.
  • the memory 509 may mainly include a first storage area for storing programs or instructions and a second storage area for storing data, wherein the first storage area may store an operating system, an application program or instruction required for at least one function (such as a sound playback function, an image playback function, etc.), etc.
  • the memory 509 may include a volatile memory or a non-volatile memory, or the memory 509 may include both volatile and non-volatile memories.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), an electrically erasable programmable read-only memory (EEPROM), or a flash memory.
  • the volatile memory may be a random access memory (RAM), a static random access memory (SRAM), a dynamic random access memory (DRAM), a synchronous dynamic random access memory (SDRAM), a double data rate synchronous dynamic random access memory (DDRSDRAM), an enhanced synchronous dynamic random access memory (ESDRAM), a synchronous link dynamic random access memory (SLDRAM) and a direct memory bus random access memory (DRRAM).
  • the memory 509 in the embodiment of the present application includes but is not limited to these and any other suitable types of memory.
  • the processor 510 may include one or more processing units; optionally, the processor 510 integrates an application processor and a modem processor, wherein the application processor mainly processes operations related to an operating system, a user interface, and application programs, and the modem processor mainly processes wireless communication signals, such as a baseband processor. It is understandable that the modem processor may not be integrated into the processor 510.
  • the processor 510 is configured to determine whether a first packet satisfies a first preset condition, wherein the first packet includes a plurality of data packets, and the first preset condition is consistent with a delay requirement of the first packet and/or data in the first packet.
  • the delay requirement of the packet is related; when it is determined that the first packet meets the first preset condition, a data packet discarding operation is performed on the first packet.
  • a data packet discarding operation is performed on the first group, wherein the first preset condition is related to the delay requirement of the first group and/or the delay requirement of the data packets in the first group.
  • the delay requirement of the data packet and/or the delay requirement of the data packet group can be taken into account, and whether to discard the data packet is determined based on the preset conditions related to the delay requirement of the data packet and/or the data packet group, therefore, it is possible to avoid, to a certain extent, the waste of resources caused by the erroneous discarding of data packets or the continued transmission of useless data packets.
  • the communication device 500 provided in the embodiment of the present application can also implement the various processes of the embodiment shown in Figure 2 above, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the embodiment of the present application also provides a communication device, including a processor and a communication interface, the processor is used to determine whether a first group meets a first preset condition, the first group contains multiple data packets, the first preset condition is related to the delay requirement of the first group and/or the delay requirement of the data packets in the first group; when it is determined that the first group meets the first preset condition, the data packet discarding operation is performed on the first group.
  • This communication device embodiment corresponds to the above-mentioned sending end method embodiment, and each implementation process and implementation method of the above-mentioned method embodiment can be applied to the communication device embodiment, and can achieve the same technical effect.
  • the communication device 600 includes: an antenna 61, a radio frequency device 62, a baseband device 63, a processor 64, and a memory 65.
  • the antenna 61 is connected to the radio frequency device 62.
  • the radio frequency device 62 receives information through the antenna 61 and sends the received information to the baseband device 63 for processing.
  • the baseband device 63 processes the information to be sent and sends it to the radio frequency device 62.
  • the radio frequency device 62 processes the received information and sends it out through the antenna 61.
  • the method executed by the transmitting end in the above embodiment may be implemented in the baseband device 63, which includes a baseband processor.
  • the baseband device 63 may include, for example, at least one baseband board, on which a plurality of chips are arranged, as shown in FIG6 , wherein one of the chips is, for example, a baseband processor, which is connected to the memory 65 through a bus interface to call a program in the memory 65 and execute the transmitting end operation shown in the above method embodiment.
  • the communication device may also include a network interface 66, which is, for example, a common public radio interface (CPRI).
  • a network interface 66 which is, for example, a common public radio interface (CPRI).
  • CPRI common public radio interface
  • the communication device 600 of the embodiment of the present invention also includes: instructions or programs stored in the memory 65 and executable on the processor 64.
  • the processor 64 calls the instructions or programs in the memory 95 to execute the methods executed by the modules shown in Figure 3 and achieve the same technical effect. To avoid repetition, it will not be described here.
  • An embodiment of the present application also provides a readable storage medium, on which a program or instruction is stored.
  • a program or instruction is stored.
  • each process of the above-mentioned data packet processing method embodiment is implemented, and the same technical effect can be achieved. To avoid repetition, it will not be repeated here.
  • the processor is the processor in the terminal described in the above embodiment.
  • the readable storage medium includes a computer readable storage medium, such as a computer read-only memory ROM, a random access memory RAM, a magnetic disk or an optical disk.
  • An embodiment of the present application further provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is used to run programs or instructions to implement the various processes of the above-mentioned data packet processing method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the chip mentioned in the embodiments of the present application can also be called a system-level chip, a system chip, a chip system or a system-on-chip chip, etc.
  • the embodiment of the present application further provides a computer program/program product, which is stored in a storage medium.
  • the computer program/program product is executed by at least one processor to implement the various processes of the above-mentioned data packet processing method embodiment, and can achieve the same technical effect. To avoid repetition, it will not be repeated here.
  • the technical solution of the present application can be embodied in the form of a computer software product, which is stored in a storage medium (such as ROM/RAM, a magnetic disk, or an optical disk), and includes a number of instructions for enabling a terminal (which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.) to execute the methods described in each embodiment of the present application.
  • a storage medium such as ROM/RAM, a magnetic disk, or an optical disk
  • a terminal which can be a mobile phone, a computer, a server, an air conditioner, or a network device, etc.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Communication Control (AREA)

Abstract

La présente demande appartient au domaine technique des communications. Sont divulgués un procédé de traitement de paquets de données et un dispositif de communication. Le procédé de traitement de paquets de données dans les modes de réalisation de la présente demande comprend les étapes suivantes : une extrémité d'envoi détermine si un premier groupe satisfait une première condition prédéfinie, le premier groupe comprenant une pluralité de paquets de données, et la première condition prédéfinie étant associée à une exigence de retard du premier groupe et/ou à une exigence de retard des paquets de données dans le premier groupe ; et l'extrémité d'envoi exécute une opération de rejet de paquets de données pour le premier groupe lorsqu'il est déterminé que le premier groupe satisfait la première condition prédéfinie.
PCT/CN2023/134779 2022-12-02 2023-11-28 Procédé de traitement de paquets de données et dispositif de communication WO2024114642A2 (fr)

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CN202211538330.7A CN118139109A (zh) 2022-12-02 2022-12-02 数据包的处理方法及通信设备

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CN103312441B (zh) * 2012-03-15 2017-11-17 华为技术有限公司 数据包传输方法及系统、发送端设备与接收端设备
CN112567838A (zh) * 2018-08-07 2021-03-26 Idac控股公司 用于拥塞控制的nr v2x方法
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CN115996423A (zh) * 2021-10-19 2023-04-21 维沃移动通信有限公司 数据传输方法、装置及终端
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