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WO2019153363A1 - Procédé et dispositif de communication radio - Google Patents

Procédé et dispositif de communication radio Download PDF

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Publication number
WO2019153363A1
WO2019153363A1 PCT/CN2018/076576 CN2018076576W WO2019153363A1 WO 2019153363 A1 WO2019153363 A1 WO 2019153363A1 CN 2018076576 W CN2018076576 W CN 2018076576W WO 2019153363 A1 WO2019153363 A1 WO 2019153363A1
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WO
WIPO (PCT)
Prior art keywords
logical channel
parameter value
configuration parameter
data
value
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/076576
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English (en)
Chinese (zh)
Inventor
石聪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangdong Oppo Mobile Telecommunications Corp Ltd
Original Assignee
Guangdong Oppo Mobile Telecommunications Corp Ltd
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 Guangdong Oppo Mobile Telecommunications Corp Ltd filed Critical Guangdong Oppo Mobile Telecommunications Corp Ltd
Priority to PCT/CN2018/076576 priority Critical patent/WO2019153363A1/fr
Priority to CN201880036967.1A priority patent/CN110710317B/zh
Publication of WO2019153363A1 publication Critical patent/WO2019153363A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

Definitions

  • the present application relates to the field of communications and, more particularly, to a method and apparatus for wireless communication.
  • multiple network nodes can serve terminal devices, and copy data can be transmitted between the cell group and the terminal devices.
  • the transmission of the replicated data may be performed between multiple carriers.
  • the replication data transmission function between the cell group and the terminal device may be activated or deactivated for a specific bearer.
  • the embodiment of the present application provides a wireless communication method and device, which can meet the requirement of data transmission when a copy data transmission function is switched between an active state and an inactive state.
  • a wireless communication method including:
  • the configuration parameter value of the first logical channel and the configuration parameter of the second logical channel are respectively based on the same initial value
  • the value is updated, wherein, in the first activation state, the first logical channel and the second logical channel transmit the same duplicate data, where the configuration parameter value is configured by the RRC layer to the logical channel.
  • the method further includes:
  • the method further includes:
  • Resetting the configuration parameters of the first logical channel and the second logical channel in a case of determining that the data replication function of the radio bearer transitions from the first deactivated state to the first activated state The value is the initial value.
  • the initial value is 0.
  • the method further includes:
  • the method further includes:
  • the configuration parameter value of the second logical channel is updated with the configuration parameter value of the first logical channel while the data replication function is in the first deactivated state.
  • the first logical channel and the second logical channel are logical channels corresponding to data radio bearers. Or a logical channel corresponding to the signaling radio bearer.
  • a wireless communication device for performing the method of any of the above first aspect or any of the possible implementations of the first aspect.
  • the wireless communication device comprises functional modules for performing the method of the first aspect or any of the possible implementations of the first aspect described above.
  • a wireless communication device in a third aspect, includes a processor, a memory, and a transceiver.
  • the processor, the memory, and the transceiver communicate with each other through an internal connection path, transmitting control and/or data signals, such that the wireless communication device performs any of the above aspects or any possible implementation of the first aspect The method in the way.
  • a computer readable medium for storing a computer program, the computer program comprising instructions for performing the above method or any possible implementation.
  • a computer program product comprising instructions which, when run on a computer, cause the computer to perform the method of the above method or any possible implementation.
  • the configuration parameter values of the first logical channel are respectively based on the same initial value.
  • the value of the configuration parameter of the second logical channel is updated, so that the initial values of the configuration parameter values of the first logical channel and the second logical channel are different, and the subsequent determination of the service data size to be transmitted differs greatly.
  • FIG. 1 is a schematic diagram of a protocol architecture for replicating data according to an embodiment of the present application.
  • FIG. 2 is a schematic diagram of a protocol architecture for replicating data in accordance with an embodiment of the present application.
  • FIG. 3 is a schematic flowchart of a wireless communication method according to an embodiment of the present application.
  • FIG. 4 is a schematic block diagram of a wireless communication device in accordance with an embodiment of the present application.
  • FIG. 5 is a schematic block diagram of a system chip in accordance with an embodiment of the present application.
  • FIG. 6 is a schematic block diagram of a communication device in accordance with an embodiment of the present application.
  • GSM Global System of Mobile Communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • the present application describes various embodiments in connection with a terminal device.
  • the terminal device may also refer to a user equipment (User Equipment, UE), an access terminal, a subscriber unit, a subscriber station, a mobile station, a mobile station, a remote station, a remote terminal, a mobile device, a user terminal, a terminal, a wireless communication device, and a user agent.
  • the access terminal may be a cellular phone, a cordless phone, a Session Initiation Protocol (SIP) phone, a Wireless Local Loop (WLL) station, a Personal Digital Assistant (PDA), with wireless communication.
  • PLMN public land mobile network
  • the present application describes various embodiments in connection with a network device.
  • the network device may be a device for communicating with the terminal device, for example, may be a base station (Base Transceiver Station, BTS) in the GSM system or CDMA, or may be a base station (NodeB, NB) in the WCDMA system, or may be An evolved base station (Evolutional Node B, eNB or eNodeB) in an LTE system, or the network device may be a relay station, an access point, an in-vehicle device, a wearable device, and a network side device in a future 5G network or a future evolved PLMN network. Network side devices, etc.
  • CGs Cell Groups
  • replica data can be transmitted between cell groups and terminal devices.
  • the CG may be equivalent to a network node or a network device or the like.
  • the protocol structure of the data replication transmission mode may be as shown in FIG. 1 .
  • the data replication transmission method adopts a protocol scheme of a split bearer.
  • the Packet Data Convergence Protocol (PDCP) is located in a certain CG (Master CG (MCG) or SCG (Secondary CG, SCG)), which is the anchor CG (anchor).
  • CG Master CG
  • SCG Secondary CG
  • CG anchor CG
  • CG CG
  • PDCP can copy PDCP Protocol Data Units (PDUs) into the same two copies, such as one PDCP PDU, one Duplicated PDCP PDU, and two PDCPs through different CG wireless.
  • PDUs Packet Data Convergence Protocol
  • the Link Control (RLC) layer and the Media Access Control (MAC) layer arrive at the terminal (downlink) or the base station (uplink) corresponding MAC and RLC layers through the air interface, and finally converge to the PDCP.
  • the PDCP layer detects that two PDCPs are the same duplicate version, that is, discard one of them and submit the other to the upper layer.
  • the PDCP entity can support the data replication function, that is, the PDCP replication data function is used, so that the copied data is separately transmitted to two Radio Link Control (RLC) entities (corresponding to two Different logical channels), and finally ensure that the copied PDCP PDUs can be transmitted on different physical layer aggregate carriers to achieve frequency diversity gain to improve data transmission reliability.
  • RLC Radio Link Control
  • the PDCP entity corresponding to a radio bearer has a split bearer replication function, and the data process of the PDCP service data unit (SDU) is copied and encapsulated into two PDCP PDU1, and the two PDCP PDUs have the same
  • the content, that is, the data payload and the header header are the same.
  • the two PDCP PDUs and the PDCP PDUs are respectively mapped to different Radio Link Control (RLC) entities, and different RLC entities correspond to different logical channels.
  • RLC Radio Link Control
  • the replicated data is transmitted on different carriers, for example, the replicated data transmitted in one RLC entity is transmitted on the physical carrier 1, and the other RLC entity is The transmitted duplicate data is transmitted on physical carrier 2.
  • MAC Media Access Control
  • a MAC-control element (Control Element, CE) can be used to dynamically activate or de-activate a data transfer of a bearer. Transfer function.
  • a media access control (MAC) entity When a media access control (MAC) entity receives an uplink scheduling resource or acquires a pre-configured resource, it may start a Link Control Protocol (LCP) process, where the LCP process includes starting to generate a MAC PDU (wherein , Protocol Data Unit (PDU).
  • LCP Link Control Protocol
  • PDU Protocol Data Unit
  • the amount of transmission is determined by some configuration parameters of the logical channel, such as Priority Bit Rate (PBR), B j . Where subscript j in B j represents which of the corresponding logical channels.
  • PBR Priority Bit Rate
  • the MAC entity may initialize the logical channel B j to be zero.
  • B j may be increased according to PBR ⁇ T, where Bj is the distance from the last update. time. If the value of B j is greater than a specific value (bucket size, ie, PBR ⁇ BSD), B j is set to the specific value.
  • the MAC entity may allocate resources for the logical channel, the MAC entity may allocate resources for the logical channel whose B j is greater than 0, and may lower the B j of the corresponding logical channel based on the processed MAC SDU.
  • the value of B j can be a negative value.
  • the RLC layer of one of the logical channels does not receive the data of the PDCP layer, and the buffered data is also cleared; in this case, the Bj value of the logical channel.
  • PBR*BSD bucketet size duration
  • the Bj of the RLC layer of another logical channel is updated. But B j will subtract the corresponding service data size each time it gets transmitted.
  • the Bj one maximum value, one normal update value
  • the embodiments of the present application provide the following methods, which can solve the problem.
  • the configuration parameter values mentioned below are the above mentioned B j .
  • FIG. 3 is a schematic flowchart of a wireless communication method 100 according to an embodiment of the present application.
  • the method can optionally be performed by a terminal device.
  • the method 100 includes at least a portion of the following.
  • the configuration parameter value of the first logical channel and the second logical channel are respectively determined based on the same initial value.
  • the configuration parameter value is updated, wherein, in the first activation state, the first logical channel and the second logical channel transmit the same duplicate data, where the configuration parameter value is a parameter configured by the RRC layer to the logical channel by the RRC layer. value.
  • the initial value of the configuration parameter value is 0, and one logical channel corresponds to one RLC entity.
  • the first logical channel and the second logical channel may be a logical channel for transmitting duplicate data in a CA scenario, or may be a logical channel for transmitting duplicate data in a DC scenario.
  • the PDCP entity in the activated state, delivers data to the corresponding RLC entity of the first logical channel and the second logical channel; and in the deactivated state, the PDCP entity transmits data to the PLC entity corresponding to the first logical channel, The data is not passed to the RLC entity corresponding to the second logical channel.
  • the first logical channel and the second logical channel are logical channels corresponding to data radio bearers, or logical channels corresponding to signaling radio bearers.
  • the current configuration parameter value of the first logical channel can be acquired.
  • the configuration parameter value of the second logical channel is set to the current configuration parameter value of the first logical channel.
  • the configuration of the first logical channel and the second logical channel is reset in a case where it is determined that the data replication function of the wireless bearer changes from the first deactivated state to the first activated state.
  • the parameter value is the initial value.
  • the initial value is zero.
  • the two can be reset.
  • the configuration parameter value of the logical channel is such that the configuration parameter values of the two logical channels after reconfiguration are the same.
  • the configuration parameter value of the second logical channel is updated along with the configuration parameter value of the first logical channel during the data deactivation function.
  • the first logical channel can be based on the real time. a configuration parameter value, updating a configuration parameter value of the second logical channel, and a configuration parameter value of the first logical channel and a configuration parameter value of the second logical channel when the data replication function transitions from the first deactivated state to the first activated state Always consistent.
  • the configuration parameter value of the second logical channel is suspended for updating. And further, in the case of transitioning from the first deactivated state to the first activated state, the updating of the configuration parameter values of the second logical channel may be re-opened.
  • this implementation may not be applicable to 110, that is, it is not necessary to set the configuration parameter value of the first logical channel and the configuration parameter value of the second logical channel to the same value.
  • the configuration parameter values of the first logical channel and the second logical channel may not be changed by the transition from the deactivated state to the activated state due to the copy data function.
  • the configuration parameter value of the second logical channel is set to zero. If the update is further suspended, in the case of transitioning from the first deactivated state to the first activated state, the update of the configuration parameter value of the second logical channel may be re-opened. It should be understood that this implementation may not be applicable to 110, that is, it is not necessary to set the configuration parameter value of the first logical channel and the configuration parameter value of the second logical channel to the same value. For example, the configuration parameter values of the first logical channel and the second logical channel may not be changed by the transition from the deactivated state to the activated state due to the copy data function.
  • a data size of the first logical channel to be served is determined based on the updated configuration parameter value of the first logical channel.
  • a data size of the second logical channel to be served is determined based on the updated configuration parameter value of the second logical channel.
  • the configuration parameter values of the first logical channel are respectively based on the same initial value.
  • the value of the configuration parameter of the second logical channel is updated, so that the initial values of the configuration parameter values of the first logical channel and the second logical channel are different, and the subsequent determination of the service data size to be transmitted differs greatly.
  • the 4 is a schematic block diagram of a wireless communication device 200 in accordance with an embodiment of the present application.
  • the method 200 includes at least some of the following.
  • the device 200 includes an update unit 210 and an allocation unit 220;
  • the updating unit 210 is configured to, when determining that the data replication function of the radio bearer transitions from the first deactivated state to the first active state, respectively, based on the same initial value, respectively, the configuration parameter value of the first logical channel and the second The configuration parameter value of the logical channel is updated, wherein, in the first activation state, the first logical channel and the second logical channel transmit the same duplicate data, where the configuration parameter value is a radio resource control RRC layer to the logical channel.
  • Configured parameter values
  • the allocating unit 220 is configured to: determine, according to the updated configuration parameter value of the first logical channel, a size of data to be served of the first logical channel; and the updated configuration parameter value based on the second logical channel Determining a size of data to be served of the second logical channel.
  • the device further includes a setting unit 230, configured to:
  • the device further includes a setting unit 230, configured to:
  • the configuration parameter value of the first logical channel and the second logical channel is the initial value, in a case that the data replication function of the radio bearer is changed from the first deactivated state to the first activated state.
  • the initial value is zero.
  • the updating unit 210 is further configured to:
  • the device 200 further includes a setting unit 230, configured to set the configuration parameter value of the second logical channel to zero.
  • the updating unit 210 is further configured to:
  • the configuration parameter value of the second logical channel is updated along with the configuration parameter value of the first logical channel.
  • the first logical channel and the second logical channel are logical channels corresponding to data radio bearers, or logical channels corresponding to signaling radio bearers.
  • wireless communication device 400 can implement corresponding operations in the method 100, and details are not described herein for brevity.
  • FIG. 5 is a schematic structural diagram of a system chip 800 according to an embodiment of the present application.
  • the system chip 800 of FIG. 5 includes an input interface 801, an output interface 802, the processor 803, and a memory 804 that can be connected by an internal communication connection line.
  • the processor 603 is configured to execute code in the memory 804.
  • the processor 803 implements the method 100 when the code is executed. For the sake of brevity, it will not be repeated here.
  • FIG. 6 is a schematic block diagram of a communication device 900 in accordance with an embodiment of the present application.
  • the communication device 900 includes a processor 910 and a memory 920.
  • the memory 920 can store program code, and the processor 910 can execute the program code stored in the memory 920.
  • the communication device 900 can include a transceiver 930 that can control the transceiver 930 to communicate externally.
  • the processor 910 can execute the method 100 by using the program code stored in the memory 920.
  • the processor 910 can execute the method 100 by using the program code stored in the memory 920.
  • the processor of the embodiment of the present application may be an integrated circuit chip with signal processing capability.
  • each step of the foregoing method embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
  • the processor may be a general-purpose processor, a digital signal processor (DSP), an application specific integrated circuit (ASIC), a Field Programmable Gate Array (FPGA), or the like. Programming logic devices, discrete gates or transistor logic devices, discrete hardware components.
  • the methods, steps, and logical block diagrams disclosed in the embodiments of the present application can be implemented or executed.
  • the general purpose processor may be a microprocessor or the processor or any conventional processor or the like.
  • the steps of the method disclosed in the embodiments of the present application may be directly implemented by the hardware decoding processor, or may be performed by a combination of hardware and software modules in the decoding processor.
  • the software module can be located in a conventional storage medium such as random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, registers, and the like.
  • the storage medium is located in the memory, and the processor reads the information in the memory and combines the hardware to complete the steps of the above method.
  • the memory in the embodiments of the present application may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory may be a read-only memory (ROM), a programmable read only memory (PROM), an erasable programmable read only memory (Erasable PROM, EPROM), or an electric Erase programmable read only memory (EEPROM) or flash memory.
  • the volatile memory can be a Random Access Memory (RAM) that acts as an external cache.
  • RAM Random Access Memory
  • many forms of RAM are available, such as static random access memory (SRAM), dynamic random access memory (DRAM), synchronous dynamic random access memory (Synchronous DRAM).
  • SDRAM Double Data Rate SDRAM
  • DDR SDRAM Double Data Rate SDRAM
  • ESDRAM Enhanced Synchronous Dynamic Random Access Memory
  • SLDRAM Synchronous Connection Dynamic Random Access Memory
  • DR RAM direct memory bus random access memory
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • 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 application 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 functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present application which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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

Abstract

Selon un mode de réalisation, la présente invention concerne un procédé et un dispositif de communication radio capables de répondre à une exigence de transmission de données lorsqu'une fonction de réplication et de transmission de données commute entre un état actif et un état inactif. Le procédé comprend les étapes suivantes : s'il est déterminé qu'une fonction de réplication et de transmission de données d'un support radio commute d'un premier état inactif à un premier état actif, effectuer respectivement, sur la base de la même valeur initiale, une mise à jour d'une valeur <u/> de paramètre de configuration d'un premier canal logique et de la valeur de paramètre de configuration d'un second canal logique, le premier canal logique et le second canal logique transmettant les mêmes données répliquées, et la valeur de paramètre de configuration étant une valeur de paramètre configurée pour le canal logique par une couche RRC ; déterminer, sur la base de la valeur de paramètre de configuration mise à jour du premier canal logique, une taille de données à desservir par le premier canal logique ; et déterminer, sur la base de la valeur de paramètre de configuration mise à jour du second canal logique, une taille de données à desservir par le second canal logique.
PCT/CN2018/076576 2018-02-12 2018-02-12 Procédé et dispositif de communication radio Ceased WO2019153363A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/CN2018/076576 WO2019153363A1 (fr) 2018-02-12 2018-02-12 Procédé et dispositif de communication radio
CN201880036967.1A CN110710317B (zh) 2018-02-12 2018-02-12 无线通信方法和设备

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Application Number Priority Date Filing Date Title
PCT/CN2018/076576 WO2019153363A1 (fr) 2018-02-12 2018-02-12 Procédé et dispositif de communication radio

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Citations (3)

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WO2014110800A1 (fr) * 2013-01-18 2014-07-24 华为技术有限公司 Procédé de transmission de données, station de base, et équipement utilisateur
US20160066311A1 (en) * 2014-08-26 2016-03-03 Qualcomm Incorporated Cell update procedure enhancements
CN105814957A (zh) * 2013-12-13 2016-07-27 夏普株式会社 针对多连接操作的系统和方法

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CN107438976B (zh) * 2017-03-28 2021-03-09 北京小米移动软件有限公司 数据传输方法及装置、数据接收方法及装置、电子设备
CN107147479B (zh) * 2017-04-27 2020-04-10 电信科学技术研究院 一种进行重复传输控制的方法和设备
CN107342851B (zh) * 2017-06-15 2020-05-26 电信科学技术研究院 一种重复传输的配置及重复传输方法及装置

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Publication number Priority date Publication date Assignee Title
WO2014110800A1 (fr) * 2013-01-18 2014-07-24 华为技术有限公司 Procédé de transmission de données, station de base, et équipement utilisateur
CN105814957A (zh) * 2013-12-13 2016-07-27 夏普株式会社 针对多连接操作的系统和方法
US20160066311A1 (en) * 2014-08-26 2016-03-03 Qualcomm Incorporated Cell update procedure enhancements

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