WO2019153109A1 - Procédé, appareil et dispositif permettant de réaliser un remappage d'un flux de qualité de service, et support d'informations - Google Patents

Procédé, appareil et dispositif permettant de réaliser un remappage d'un flux de qualité de service, et support d'informations Download PDF

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Publication number
WO2019153109A1
WO2019153109A1 PCT/CN2018/075361 CN2018075361W WO2019153109A1 WO 2019153109 A1 WO2019153109 A1 WO 2019153109A1 CN 2018075361 W CN2018075361 W CN 2018075361W WO 2019153109 A1 WO2019153109 A1 WO 2019153109A1
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WO
WIPO (PCT)
Prior art keywords
drb
transmitted
sdap
timer
sdap pdu
Prior art date
Application number
PCT/CN2018/075361
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English (en)
Chinese (zh)
Inventor
尤心
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to CN201880003576.XA priority Critical patent/CN109804660B/zh
Priority to PCT/CN2018/075361 priority patent/WO2019153109A1/fr
Publication of WO2019153109A1 publication Critical patent/WO2019153109A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/24—Negotiating SLA [Service Level Agreement]; Negotiating QoS [Quality of Service]

Definitions

  • the present invention relates to a wireless network technology, and in particular, to a method, an apparatus, a device, and a storage medium for implementing a quality of service flow re-mapping.
  • QoS Quality of Service
  • NR 5G New Radio
  • NAS Mapping Non-Access Stratum Mapping
  • AS Mapping Access Stratum Mapping
  • DRB Data Radio Bearer
  • FIG. 1 is a schematic diagram of the location and function of the existing SDAP sublayer. As shown in Figure 1, the SDAP sublayer can be used to complete the mapping of QoS flow to DRB.
  • SDAP Service Data Adaptation Protocol
  • the RAN side When the RRC (Radio Resource Control) connection is initially established, the RAN side only establishes the default bearer, that is, the default DRB. Then, data from different QoS flows is mapped to the default DRB. After the DRB corresponding to a certain QoS flow is established, the data of the QoS flow needs to be remapped to the new DRB.
  • the RRC Radio Resource Control
  • FIG. 2 is a schematic diagram of an existing QoS flow remapping. As shown in Figure 2, initially, the data of QoS flow1 and QoS flow2 are mapped to DRB1. When DRB2 with higher priority is established (more in line with the requirements of QoS flow2), the data of QoS flow 2 needs to be remapped to On the DRB2.
  • QoS flow remapping may also occur in scenarios such as handover and dual connectivity.
  • the present invention provides a method, an apparatus, a device, and a storage medium for implementing a quality of service flow re-mapping.
  • a method for implementing quality of service flow re-mapping includes:
  • the already transmitted SDAP PDU continues to be transmitted on the first DRB
  • the untransmitted SDAP SDU is transmitted on the second DRB.
  • a service quality flow re-mapping implementation device includes: a first transmission unit and a second transmission unit;
  • the first transmission unit is configured to continue to transmit the already transmitted SDAP PDU on the first DRB when it is determined that it is required to remap from the first DRB to the second DRB for any QoS flow;
  • the second transmission unit is configured to: when it is determined that the SDAP PDU transmitted on the first DRB is successfully transmitted, transmit the untransmitted SDAP SDU on the second DRB.
  • a computer apparatus comprising a memory, a processor, and a computer program stored on the memory and operative on the processor, the processor implementing the method as described above.
  • a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements a method as described above.
  • the already transmitted SDAP PDU can continue to be transmitted on the first DRB.
  • the untransmitted SDAP SDU is transmitted on the second DRB, thereby providing a feasible QoS flow remapping implementation method and ensuring QoS flow data. Submit in order, etc.
  • FIG. 1 is a schematic diagram of the position and function of a conventional SDAP sublayer.
  • FIG. 2 is a schematic diagram of an existing QoS flow remapping.
  • FIG. 3 is a flowchart of a first embodiment of a method for implementing QoS flow remapping according to the present invention.
  • FIG. 4 is a flowchart of a second embodiment of a method for implementing QoS flow remapping according to the present invention.
  • FIG. 5 is a schematic diagram of a process for implementing QoS flow remapping according to the present invention.
  • FIG. 6 is a schematic structural diagram of an embodiment of an apparatus for implementing QoS flow re-mapping according to the present invention.
  • FIG. 7 shows a block diagram of an exemplary computer system/server 12 suitable for use in implementing embodiments of the present invention.
  • FIG. 3 is a flowchart of a first embodiment of a method for implementing QoS flow remapping according to the present invention. As shown in FIG. 3, the following specific implementation manners are included.
  • the untransmitted SDAP Service Data Unit (SDU, Service Data Uni) is transmitted on the second DRB.
  • the execution bodies of the above 301 and 302 are both senders.
  • the sending end may be a user equipment (UE, User Equipment) side or a base station side.
  • UE User Equipment
  • the transmission of the already transmitted SDAP PDU in the QoS flow may continue on the first DRB.
  • a timer may be started for the last transmitted SDAP PDU on the first DRB, so that if the transmission of the last transmitted SDAP PDU is determined to be successful before the timer reaches a preset timing, the determinable/determined The transmission of the SDAP PDU transmitted on a DRB is successful.
  • the SDAP SDU When the data arrives at the SDAP sublayer, it is a SDAP SDU.
  • the SDAP SDU can be added with a packet header to obtain a SDAP PDU.
  • the transmission is accurate, and the SDAP PDU can be transmitted on the first DRB.
  • the SDAP PDU arrives at the packet data.
  • the PDCP (Packet Data Convergence Protocol) sublayer When the PDCP (Packet Data Convergence Protocol) sublayer is formed, it becomes a PDCP SDU.
  • PDCP Packet Data Convergence Protocol
  • a timer may also be started.
  • the timer may be PDCP. Discard timer.
  • the timing of the timer can be preset, and the specific value can be determined according to actual needs.
  • the timer can be started when the last transmitted SDAP PDU starts transmission.
  • the transmission of the last transmitted SDAP PDU may be determined that the transmission of the SDAP PDU transmitted on the first DRB is successful.
  • the successful transmission of the last transmitted SDAP PDU may refer to receipt of an acknowledgment (ACK) feedback for the last transmitted SDAP PDU, and the like.
  • the untransmitted SDAP SDU in the QoS flow can be transmitted on the second DRB.
  • the received SDAP SDU can be submitted to the upper layer.
  • the PDCP SDU corresponding to the timer may be discarded, and the PDCP SDU corresponding to the last transmitted SDAP PDU may be discarded, and the untransmitted SDAP SDU in the QoS flow may be discarded. Transmitted on the second DRB.
  • the received SDAP SDU can be submitted to the upper layer.
  • the transmitting end When performing uplink data transmission, the transmitting end may be the UE side, and correspondingly, the receiving end may be the base station side.
  • the transmitting end When performing downlink data transmission, the transmitting end may be the base station side, and correspondingly, the receiving end is the UE side.
  • FIG. 4 is a flowchart of a second embodiment of a method for implementing QoS flow remapping according to the present invention. As shown in FIG. 4, the following specific implementation manners are included.
  • the timer can be a PDCP discard timer.
  • the successful transmission of the last transmitted SDAP PDU may refer to receiving ACK feedback for the last transmitted SDAP PDU, and the like.
  • the untransmitted SDAP SDU in the QoS flow is transmitted on the second DRB, and then the flow ends.
  • the SDAP SDU in the remaining QoS flow can be started to be transmitted on the second DRB.
  • the receiving end can deliver the received SDAP SDU to the upper layer.
  • the PDCP SDU corresponding to the timer is discarded, and the untransmitted SDAP SDU in the QoS flow is transmitted on the second DRB, and then the process ends.
  • the PDCP SDU corresponding to the timer may be discarded, and the SDAP SDU in the remaining QoS flow may be started to be transmitted on the second DRB.
  • the receiving end can deliver the received SDAP SDU to the upper layer.
  • FIG. 5 is a schematic diagram of a QoS flow remapping implementation process according to the present invention.
  • the data of QoS flow 1 and QoS flow 2 are mapped to DRB1, and the data of QoS flow 3 is mapped to DRB2.
  • QoS flow 2 needs to be remapped from DRB1 to DRB2.
  • the already transmitted SDAP PDU in QoS flow 2 continues to be transmitted on DRB1, and the timer can be started for the last transmitted SDAP PDU in DRB1 in QoS flow 2, if the last transmitted SDAP before the timer expires If the PDU is successfully transmitted, the untransmitted SDAP SDU in QoS flow 2 can be transmitted on DRB2.
  • the PDCP SDU corresponding to the timer can be discarded and the QoS is discarded.
  • the untransmitted SDAP SDU in flow 2 is transmitted on DRB2. After remapping, the data of QoS flow 2 and QoS flow 3 are mapped to DRB2.
  • the on-demand delivery of QoS flow data can be realized, and the transmission of QoS flow data is not interrupted as much as possible and no packet loss is ensured.
  • FIG. 6 is a schematic structural diagram of an embodiment of an apparatus for implementing QoS flow re-mapping according to the present invention. As shown in FIG. 6, the first transmission unit 601 and the second transmission unit 602 are included.
  • the first transmission unit 601 is configured to, for any QoS flow, continue to transmit the already transmitted SDAP PDU on the first DRB when it is determined that the first DRB needs to be remapped to the second DRB.
  • the second transmission unit 602 is configured to: when it is determined that the SDAP PDU transmitted on the first DRB is successfully transmitted, transmit the untransmitted SDAP SDU on the second DRB.
  • the first transmission unit 601 may continue its transmission on the first DRB for the already transmitted SDAP PDU in the QoS flow. Moreover, the first transmission unit 601 can start a timer for the last transmitted SDAP PDU on the first DRB, so that if the timer reaches a preset timing, it determines that the last transmitted SDAP PDU is successfully transmitted, and second. Transmission unit 602 can then determine/determine that the transmission of the SDAP PDU transmitted on the first DRB was successful.
  • the timer may be a PDCP discard timer.
  • the second transmission unit 602 may determine that the transmission of the SDAP PDU transmitted on the first DRB is successful if it determines that the transmission of the last transmitted SDAP PDU is successful.
  • the successful transmission of the last transmitted SDAP PDU may refer to receiving ACK feedback for the last transmitted SDAP PDU, and the like.
  • the second transmission unit 602 can transmit the untransmitted SDAP SDU in the QoS flow on the second DRB. For the receiving end, the received SDAP SDU can be submitted to the upper layer.
  • the second transmission unit 602 may discard the PDCP SDU corresponding to the timer, and may discard the PDCP SDU corresponding to the last transmitted SDAP PDU, and may The untransmitted SDAP SDU is transmitted on the second DRB.
  • the received SDAP SDU can be submitted to the upper layer.
  • FIG. 7 shows a block diagram of an exemplary computer system/server 12 suitable for use in implementing embodiments of the present invention.
  • the computer system/server 12 shown in FIG. 7 is merely an example and should not impose any limitation on the function and scope of use of the embodiments of the present invention.
  • computer system/server 12 is embodied in the form of a general purpose computing device.
  • the components of computer system/server 12 may include, but are not limited to, one or more processors (processing units) 16, memory 28, and a bus 18 that connects different system components, including memory 28 and processor 16.
  • Bus 18 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, a graphics acceleration port, a processor, or a local bus using any of a variety of bus structures.
  • these architectures include, but are not limited to, an Industry Standard Architecture (ISA) bus, a Micro Channel Architecture (MAC) bus, an Enhanced ISA Bus, a Video Electronics Standards Association (VESA) local bus, and peripheral component interconnects ( PCI) bus.
  • ISA Industry Standard Architecture
  • MAC Micro Channel Architecture
  • VESA Video Electronics Standards Association
  • PCI peripheral component interconnects
  • Computer system/server 12 typically includes a variety of computer system readable media. These media can be any available media that can be accessed by computer system/server 12, including both volatile and non-volatile media, removable and non-removable media.
  • Memory 28 may include computer system readable media in the form of volatile memory, such as random access memory (RAM) 30 and/or cache memory 32.
  • Computer system/server 12 may further include other removable/non-removable, volatile/non-volatile computer system storage media.
  • storage system 34 may be used to read and write non-removable, non-volatile magnetic media (not shown in Figure 7, commonly referred to as "hard disk drives").
  • a disk drive for reading and writing to a removable non-volatile disk such as a "floppy disk”
  • a removable non-volatile disk such as a CD-ROM, DVD-ROM
  • each drive can be coupled to bus 18 via one or more data medium interfaces.
  • Memory 28 can include at least one program product having a set (e.g., at least one) of program modules configured to perform the functions of various embodiments of the present invention.
  • a program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, one or more applications, other programs Modules and program data, each of these examples or some combination may include an implementation of a network environment.
  • Program module 42 typically performs the functions and/or methods of the described embodiments of the present invention.
  • Computer system/server 12 may also be in communication with one or more external devices 14 (e.g., a keyboard, pointing device, display 24, etc.), and may also be in communication with one or more devices that enable a user to interact with the computer system/server 12. And/or in communication with any device (e.g., network card, modem, etc.) that enables the computer system/server 12 to communicate with one or more other computing devices. This communication can take place via an input/output (I/O) interface 22. Also, computer system/server 12 may also communicate with one or more networks (e.g., a local area network (LAN), a wide area network (WAN), and/or a public network, such as the Internet) through network adapter 20. As shown in FIG.
  • LAN local area network
  • WAN wide area network
  • public network such as the Internet
  • network adapter 20 communicates with other modules of computer system/server 12 via bus 18. It should be understood that although not shown in the figures, other hardware and/or software modules may be utilized in conjunction with computer system/server 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, Tape drives and data backup storage systems.
  • the processor 16 executes various functional applications and data processing by running a program stored in the memory 28, for example, implementing the method in the embodiment shown in Fig. 2 or 3.
  • the present invention also discloses a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements the method of the embodiment shown in Figures 2 or 3.
  • the computer readable medium can be a computer readable signal medium or a computer readable storage medium.
  • the computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. More specific examples (non-exhaustive lists) of computer readable storage media include: electrical connections having one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read only memory (ROM), Erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the foregoing.
  • a computer readable storage medium can be any tangible medium that can contain or store a program, which can be used by or in connection with an instruction execution system, apparatus or device.
  • a computer readable signal medium may include a data signal that is propagated in the baseband or as part of a carrier, carrying computer readable program code. Such propagated data signals can take a variety of forms including, but not limited to, electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • the computer readable signal medium can also be any computer readable medium other than a computer readable storage medium, which can transmit, propagate, or transport a program for use by or in connection with the instruction execution system, apparatus, or device. .
  • Program code embodied on a computer readable medium can be transmitted by any suitable medium, including but not limited to wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
  • Computer program code for performing the operations of the present invention may be written in one or more programming languages, or a combination thereof, including an object oriented programming language such as Java, Smalltalk, C++, and conventional A procedural programming language - such as the "C" language or a similar programming language.
  • the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer, partly on the remote computer, or entirely on the remote computer or server.
  • the remote computer can be connected to the user's computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or can be connected to an external computer (eg, using an Internet service provider) Internet connection).
  • LAN local area network
  • WAN wide area network
  • Internet service provider Internet service provider
  • 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, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform the methods of the various embodiments of the present invention. Part of the steps.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a removable hard disk, a read only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Quality & Reliability (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé, un appareil et un dispositif permettant de réaliser le remappage d'un flux de qualité de service, ainsi qu'un support d'informations. Le procédé comprend les étapes consistant : pour un quelconque flux de qualité de service (QoS), lorsqu'il est établi que le flux de qualité de service doit être remappé d'une première porteuse DRB à une seconde porteuse DRB, à transmettre de manière continue, sur la première porteuse DRB, une unité PDU SDAP qui a été transmise ; et, lorsqu'il est établi que la transmission de l'unité PDU SDAP transmise sur la première porteuse DRB a réussi, à transmettre une unité SDU SDAP non transmise sur la seconde porteuse DRB. L'application du système selon la présente invention permet de mettre en œuvre une transmission séquentielle, etc., de données de flux de qualité de service.
PCT/CN2018/075361 2018-02-06 2018-02-06 Procédé, appareil et dispositif permettant de réaliser un remappage d'un flux de qualité de service, et support d'informations WO2019153109A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201880003576.XA CN109804660B (zh) 2018-02-06 2018-02-06 服务质量流重映射实现方法、装置、设备及存储介质
PCT/CN2018/075361 WO2019153109A1 (fr) 2018-02-06 2018-02-06 Procédé, appareil et dispositif permettant de réaliser un remappage d'un flux de qualité de service, et support d'informations

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PCT/CN2018/075361 WO2019153109A1 (fr) 2018-02-06 2018-02-06 Procédé, appareil et dispositif permettant de réaliser un remappage d'un flux de qualité de service, et support d'informations

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CN111163017B (zh) * 2019-12-30 2023-10-24 京信网络系统股份有限公司 数据传输方法、装置、基站设备和计算机可读存储介质
CN112004241B (zh) * 2020-08-27 2024-03-08 深圳市锐尔觅移动通信有限公司 一种数据传输方法、终端、网络设备和存储介质
WO2022056665A1 (fr) * 2020-09-15 2022-03-24 Qualcomm Incorporated Optimisation de latence et fiabilité de communication vocale par duplexage par répartition dans le temps et relais

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