WO2014161453A1 - 一种进行通信的方法和设备 - Google Patents

一种进行通信的方法和设备 Download PDF

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Publication number
WO2014161453A1
WO2014161453A1 PCT/CN2014/074393 CN2014074393W WO2014161453A1 WO 2014161453 A1 WO2014161453 A1 WO 2014161453A1 CN 2014074393 W CN2014074393 W CN 2014074393W WO 2014161453 A1 WO2014161453 A1 WO 2014161453A1
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WO
WIPO (PCT)
Prior art keywords
uplink
downlink
downlink subframe
configuration
user equipment
Prior art date
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Ceased
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PCT/CN2014/074393
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English (en)
French (fr)
Inventor
潘学明
沈祖康
徐婧
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China Academy of Telecommunications Technology CATT
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China Academy of Telecommunications Technology CATT
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Publication date
Application filed by China Academy of Telecommunications Technology CATT filed Critical China Academy of Telecommunications Technology CATT
Priority to US14/780,574 priority Critical patent/US10219251B2/en
Priority to KR1020157030355A priority patent/KR20150135418A/ko
Priority to JP2016505692A priority patent/JP2016515781A/ja
Priority to EP14779462.2A priority patent/EP2983320A4/en
Publication of WO2014161453A1 publication Critical patent/WO2014161453A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829Arrangements specially adapted for the receiver end
    • H04L1/1864ARQ related signaling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1812Hybrid protocols; Hybrid automatic repeat request [HARQ]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/12Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1867Arrangements specially adapted for the transmitter end
    • H04L1/1896ARQ related signaling
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/0091Signalling for the administration of the divided path, e.g. signalling of configuration information
    • H04L5/0096Indication of changes in allocation
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00Arrangements affording multiple use of the transmission path
    • H04L5/14Two-way operation using the same type of signal, i.e. duplex
    • H04L5/1469Two-way operation using the same type of signal, i.e. duplex using time-sharing
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation
    • H04W72/044Wireless resource allocation based on the type of the allocated resource
    • H04W72/0446Resources in time domain, e.g. slots or frames
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/20Control channels or signalling for resource management

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a method and device for performing communication.
  • TDD Time division duplex
  • the uplink and downlink transmissions use the same frequency resource and transmit uplinks on different time slots. Downstream signal.
  • 3G TD-SCDMA Time Division Synchronized Code Division Multiple Access; Time Division Synchronous Code Division Multiple Access
  • 4G TD-LTE TD-SCDMA Long Term Evolution, Time Division Synchronous Code Division Multiple Access - Long Term Evolution
  • the division of uplink and downlink time slots is static or semi-static, and the usual practice is in network planning.
  • the uplink and downlink time slot ratios are determined according to the cell type and the approximate service ratio, and remain unchanged. change. This is a relatively simple approach in the context of large coverage of macro cells, and is also more effective.
  • a radio frame has a length of 10 ms, and includes 10 subframes in a special subframe and a regular subframe. Each subframe is 1ms.
  • the special subframe is divided into 3 subframes: DwPTS (Downlink Pilot Time Slot, Downlink pilot subframe); GP (for guard interval between downlink and uplink); UpPTS (Uplink Pilot) Time Slot, uplink pilot subframe).
  • the regular subframe includes an uplink subframe and a downlink subframe for transmission. Line/downlink control channel and service data.
  • two special children can be configured.
  • Frames located in subframes 1 and 6) can also be configured with a special subframe (located in subframe 1).
  • Subframe 0 and sub Frame 5 and DwPTS subframes in special subframes are always used as downlink transmission, subframe 2 and special subframe.
  • the UpPTS subframe in the uplink is always used for uplink transmission, and other subframes can be configured to be used as uplinks as needed. Transmission or downlink transmission.
  • 3GPP TR36.828 Signaling design scheme to support flexible UL-DL subframe allocation in a TDD cell, one of which The base station sends a TDD uplink and downlink subframe to the user equipment by using a control channel and/or signal of the physical layer.
  • the configured information informs the user equipment of the uplink and downlink subframe configuration information currently used in the cell.
  • the physical layer control channel can use the PDCCH (Physical Downlink Control Channel). Specific DCI (Downlink Control Information) in the downlink control channel) Format, or PBCH (Physical Broadcast Channel) Physical channel, etc.
  • the current physical layer control channel such as PDCCH, PBCH, etc.
  • HARQ Hybrid
  • Automatic Repeat reQuest hybrid automatic retransmission request
  • the physical layer control signaling of the downlink subframe configuration information is demodulated, and the user equipment cannot learn the cell.
  • the uplink and downlink subframe configuration used in the current radio frame so the blind detection cannot be determined PDCCH/EPDCCH (Enhanced PDCCH) subframe, and uplink and downlink HARQ timing In conjunction with the automatic retransmission request feedback timing relationship), etc., in this uplink and downlink subframe reconfiguration period, The device cannot communicate properly with the network, causing a serious drop in user throughput.
  • PDCCH/EPDCCH Enhanced PDCCH
  • the user equipment fails to correctly receive the uplink and downlink sub-networks sent by the network side
  • the physical layer control signaling of the frame configuration information the user equipment cannot communicate with the network normally, causing the user The throughput is seriously degraded.
  • the present invention provides a method and apparatus for performing communication to solve problems existing in the prior art.
  • the user equipment fails to correctly receive the physical layer control carried by the network side and carries the configuration information of the uplink and downlink subframes. Signaling, the user equipment cannot communicate with the network normally, causing serious problem of user throughput.
  • the user equipment receives the uplink and downlink sent by the network side device in the current uplink and downlink subframe reconfiguration period.
  • Row subframe configuration information
  • the user equipment is configured according to a specific uplink and downlink subframe, and is configured in the period and the network side. Prepare for communication.
  • the user equipment determines a specific uplink and downlink subframe configuration, including:
  • the user equipment uplink/downlink corresponding to the latest uplink and downlink subframe configuration information successfully received
  • the subframe configuration is configured as a specific uplink and downlink subframe; or
  • the user equipment selects a downlink subframe or an uplink subframe from all candidate uplink and downlink subframe configurations.
  • the most uplink and downlink subframe configuration is configured as a specific uplink and downlink subframe; or
  • the user equipment is sent according to a specific upper and lower signaling sent by the network side device received by the high layer signaling Performing subframe configuration information to determine a specific uplink and downlink subframe configuration; or
  • the user equipment sends the previously received network side device through the uplink and downlink sub-sends sent by the system broadcast.
  • the uplink and downlink subframe configuration corresponding to the frame configuration information is configured as a specific uplink and downlink subframe; or
  • the user equipment will be used to determine the reference for DL HARQ timing or UL HARQ timing
  • the downlink subframe configuration is configured as a specific uplink and downlink subframe; or
  • the user equipment selects one uplink and downlink configuration from the uplink and downlink configurations specified in 3GPP TS36.211 Set as a specific uplink and downlink subframe configuration.
  • the user equipment selects up and down from the uplink and downlink configuration specified by 3GPP TS36.211. Line configuration 2 or uplink and downlink configuration 5.
  • the user equipment selects up and down from the uplink and downlink configuration specified by 3GPP TS36.211. Line configuration 0.
  • the user equipment communicates with the network side device during the period, including Part or all of the column mode:
  • the user equipment is configured with the network side device according to a specific uplink and downlink subframe in the period. Communicating, the specific uplink and downlink subframe configuration is used to determine a current uplink and downlink subframe reconfiguration period Intra-subframe and/or downlink sub-frames;
  • the user equipment is configured with the network side device according to a specific uplink and downlink subframe in the period. Communicating, configuring the specific uplink and downlink subframes to determine a blind detection PDCCH and/or an E-PDCCH Subframe
  • the user equipment is configured with the network side device according to a specific uplink and downlink subframe in the period. Communicating, configuring the specific uplink and downlink subframe to determine DL HARQ timing;
  • the user equipment is configured with the network side device according to a specific uplink and downlink subframe in the period. Communicating, configuring the specific uplink and downlink subframes to determine uplink PUSCH scheduling timing and Line HARQ timing.
  • a receiving module configured to send, by the network side device, in a current uplink and downlink subframe reconfiguration period Up and down downlink subframe configuration information
  • a determining module configured to: after failing to receive the uplink and downlink subframe configuration information in the period, Determining a specific uplink and downlink subframe configuration;
  • a communication module configured to configure a specific uplink and downlink subframe, and the network side in the period The device communicates.
  • the determining module is specifically configured to:
  • the uplink and downlink subframe configuration corresponding to the last successfully received uplink and downlink subframe configuration information is used as Specific uplink and downlink subframe configuration;
  • the subframe configuration is configured as a specific uplink and downlink subframe; or
  • the pair of uplink and downlink subframe configuration information sent by the previously received network side device through the system broadcast The uplink and downlink subframe configuration should be configured as a specific uplink and downlink subframe; or
  • Reference uplink and downlink subframe configuration to be used for determining DL HARQ timing or UL HARQ timing As a specific uplink and downlink subframe configuration
  • the determining module is specifically configured to:
  • the determining module is specifically configured to:
  • the uplink and downlink configuration 0 is selected from the uplink and downlink configurations specified in 3GPP TS36.211.
  • the communication module is specifically configured to:
  • Communicating with the network side device during the period includes part or all of the following modes unit:
  • the specific uplink and downlink subframe configuration is used to determine an uplink subframe in a current uplink and downlink subframe reconfiguration period. And/or downlink subframes;
  • the specific uplink and downlink subframe configuration is configured to determine a subframe of a blind detection PDCCH and/or an E-PDCCH;
  • the specific uplink and downlink subframe configuration is used to determine DL HARQ timing
  • the specific uplink and downlink subframe configuration is used to determine uplink PUSCH scheduling timing and uplink HARQ. Timing.
  • the embodiment of the invention further provides a user equipment, including a processor and a data transceiver, wherein:
  • the processor is configured to: receive a network during a current uplink and downlink subframe reconfiguration period The uplink and downlink subframe configuration information sent by the side device; when the uplink and downlink subframe configuration is not received within the period After the information is determined, the specific uplink and downlink subframe configuration is determined; according to the specific uplink and downlink subframe configuration, in the cycle
  • the network side device performs communication;
  • the data transceiver is configured to implement data transmission between the processor and a network side device.
  • the user equipment receives the network side in the current uplink and downlink subframe reconfiguration period. After the configuration information of the uplink and downlink subframes that are to be sent fails, according to the specific uplink and downlink subframe configuration, The network side device communicates in the uplink and downlink subframe reconfiguration period, thereby reducing the user equipment.
  • the physical layer control signaling carried by the network side and carrying the configuration information of the uplink and downlink subframes can be correctly received. The probability that the device cannot communicate with the network normally improves the user throughput.
  • FIG. 1 is a schematic diagram of a frame structure of a TD-LTE system in the background art
  • FIG. 2 is a schematic flowchart of a method for performing communication according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a user equipment according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of sending uplink and downlink subframe configuration information according to an embodiment of the present invention.
  • the user equipment receives the network side in the current uplink and downlink subframe reconfiguration period.
  • the network side device communicates in the uplink and downlink subframe reconfiguration period, thereby reducing the failure of the user equipment. It is determined that the physical layer control signaling that carries the configuration information of the uplink and downlink subframes sent by the network side is reduced. The probability of a user device failing to communicate properly with the network increases user throughput.
  • the method for communicating in the embodiment of the present invention includes the following steps:
  • Step 201 The user equipment sends the network side device in the current uplink and downlink subframe reconfiguration period.
  • Step 202 When the user equipment fails to receive the uplink and downlink in the current uplink and downlink subframe reconfiguration period After the subframe configuration information, determining a specific uplink and downlink subframe configuration;
  • Step 203 The user equipment reconfigures the current uplink and downlink subframe according to the specific uplink and downlink subframe configuration. Communicate with network side devices during the period.
  • the user equipment may use one of the following uplink and downlink subframe configurations as a specific uplink and downlink.
  • Subframe configuration :
  • the user equipment compares the uplink and downlink subframes corresponding to the uplink and downlink subframe configuration information that was successfully received last time. Configured as a specific uplink and downlink subframe configuration; or
  • the user equipment selects the downlink subframe or the uplink subframe from all the alternate uplink and downlink subframe configurations.
  • the uplink and downlink subframe configuration is configured as a specific uplink and downlink subframe; or
  • the user equipment sends a specific uplink and downlink subroutine according to the previously received network side device through high layer signaling.
  • Frame configuration information determining a specific uplink and downlink subframe configuration, in this manner, determined by the user equipment
  • the front network side informs the user equipment of a specific uplink and downlink subframe configuration information through high layer signaling in advance; or
  • the user equipment allocates the uplink and downlink subframes sent by the network side device previously received through the system broadcast.
  • the uplink and downlink subframe configuration corresponding to the information is configured as a specific uplink and downlink subframe; or
  • the subframe configuration is configured as a specific uplink and downlink subframe, which is used to determine DL HARQ timing or
  • the reference uplink and downlink subframe of the UL HARQ timing may be notified to the user equipment by the network side, and May be agreed upon by the agreement; or
  • the user equipment selects an uplink and downlink configuration from the uplink and downlink configurations specified in 3GPP TS36.211. Configured for specific uplink and downlink subframes.
  • the user equipment selects the uplink and downlink configuration from the uplink and downlink configurations specified in 3GPP TS36.211.
  • the user equipment selects the uplink and downlink configuration from the uplink and downlink configurations specified in 3GPP TS36.211. Set to 0, that is, the uplink and downlink configuration 0 in Table 1.
  • the user equipment communicates with the network side device in a cycle, including the following ones Minute or all:
  • the user equipment communicates with the network side device according to the specific uplink and downlink subframe configuration in the period, and
  • the specific uplink and downlink subframe configuration is used to determine an uplink subframe and/or a current uplink and downlink subframe reconfiguration period.
  • the downlink subframe is determined according to the specific uplink and downlink subframe configuration, and the current uplink and downlink subframe reconfiguration period is determined.
  • the uplink subframe and/or the downlink subframe are determined according to the determined uplink subframe and/or the downlink subframe and the network in the period.
  • Side devices communicate;
  • the user equipment communicates with the network side device according to the specific uplink and downlink subframe configuration in the period, and
  • the specific uplink and downlink subframe configuration is used to determine a subframe of the blind detection PDCCH and/or the E-PDCCH, that is, according to the special Determining a downlink subframe configuration to determine a subframe of a blind detection PDCCH and/or an E-PDCCH;
  • the user equipment communicates with the network side device according to the specific uplink and downlink subframe configuration in the period, and
  • the specific uplink and downlink subframe configuration is used to determine DL HARQ timing, that is, according to a specific uplink and downlink subframe configuration. Determining a HARQ process feedback timing of the downlink data PDSCH;
  • the user equipment communicates with the network side device according to the specific uplink and downlink subframe configuration in the period, and
  • the specific uplink and downlink subframe configuration is used to determine uplink PUSCH scheduling timing and uplink HARQ timing, That is, determining the scheduling timing of the uplink PUSCH and the uplink PUSCH according to the specific uplink and downlink subframe configuration.
  • HARQ process feedback timing That is, determining the scheduling timing of the uplink PUSCH and the uplink PUSCH according to the specific uplink and downlink subframe configuration.
  • a user equipment is also provided in the embodiment of the present invention,
  • the principle of solving the problem is similar to the method of communicating with the embodiment of the present invention, so the implementation of the device See the implementation of the method, and the repetition will not be repeated.
  • the user equipment in this embodiment of the present invention includes: a receiving module 300, and a determining module. 310 and communication module 320.
  • the receiving module 300 is configured to receive, by the network side device, the current uplink and downlink subframe reconfiguration period.
  • the determining module 310 is configured to determine, after failing to receive the uplink and downlink subframe configuration information in the period, Specific uplink and downlink subframe configuration;
  • the communication module 320 is configured to go to the network side device in a period according to a specific uplink and downlink subframe configuration. Line communication.
  • the determining module 310 is specifically configured to:
  • the uplink and downlink subframe configuration corresponding to the last successfully received uplink and downlink subframe configuration information is used as Specific uplink and downlink subframe configuration;
  • the subframe configuration is configured as a specific uplink and downlink subframe; or
  • the pair of uplink and downlink subframe configuration information sent by the previously received network side device through the system broadcast The uplink and downlink subframe configuration should be configured as a specific uplink and downlink subframe; or
  • Reference uplink and downlink subframe configuration to be used for determining DL HARQ timing or UL HARQ timing As a specific uplink and downlink subframe configuration
  • the determining module 310 is specifically configured to:
  • the determining module 310 is specifically configured to:
  • the uplink and downlink configuration 0 is selected from the uplink and downlink configurations specified in 3GPP TS36.211.
  • the communication module 320 is specifically configured to:
  • Communicating with network side devices during the cycle includes some or all of the following:
  • the row subframe configuration is used to determine an uplink subframe and/or a downlink subframe in the current uplink and downlink subframe reconfiguration period. frame;
  • the row subframe configuration is used to determine a subframe of the blind detection PDCCH and/or the E-PDCCH;
  • the row subframe configuration is used to determine uplink PUSCH scheduling timing and uplink HARQ timing.
  • the embodiment of the invention further provides a user equipment, including a processor and a data transceiver, wherein:
  • the processor is configured to: receive a network during a current uplink and downlink subframe reconfiguration period The uplink and downlink subframe configuration information sent by the side device; when the uplink and downlink subframe configuration is not received within the period After the information is determined, the specific uplink and downlink subframe configuration is determined; according to the specific uplink and downlink subframe configuration, in the cycle
  • the network side device performs communication;
  • the data transceiver is configured to implement data transmission between the processor and a network side device.
  • the following is the upper and lower subframe configuration information corresponding to the last successful reception by the user equipment.
  • the line subframe configuration is taken as an example of a specific uplink and downlink subframe configuration, and the solution of the present invention is described.
  • the base station uses the PDCCH to transmit the subframe 0 in each radio frame.
  • the DCI of the line subframe configuration informs the user equipment of the uplink and downlink subframe configuration adopted by the cell in the radio frame.
  • the user equipment correctly receives the uplink and downlink configuration used by the network in subframe 0 of the radio frame i as configuration 0. Then communicate with the network in the manner defined by configuration 0;
  • embodiments of the present invention may be provided as a method, system, or Computer program product. Accordingly, the present invention may employ an entirely hardware embodiment, an entirely software embodiment, Or in the form of an embodiment of the software and hardware aspects. Moreover, the invention may be employed in one or more Computer usable storage media (including but not limited to disk) containing computer usable program code The form of a computer program product implemented on a memory, CD-ROM, optical memory, or the like.
  • the present invention is directed to a method, apparatus (system), and computer program according to an embodiment of the present invention.
  • the flow chart and/or block diagram of the product is described. It should be understood that the flow chart can be implemented by computer program instructions And/or each flow and/or block in the block diagram, and the flow in the flowchart and/or block diagram And/or a combination of boxes.
  • These computer program instructions can be provided to a general purpose computer, a special purpose computer, An embedded processor or processor of another programmable data processing device to generate a machine Instructions executed by a processor of a computer or other programmable data processing device are generated for implementation in the stream a process or a process and/or a block diagram of a function specified in a box or blocks Device.
  • These computer program instructions can also be stored in a bootable computer or other programmable data processing device.
  • a computer readable memory that operates in a particular manner such that it is stored in the computer readable memory
  • the instruction in the production includes an article of manufacture of the instruction device, the instruction device being implemented in a flow of the flowchart or Multiple processes and/or block diagrams The functions specified in one or more boxes.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device. Enabling a series of operational steps on a computer or other programmable device to produce a computer implemented Processing instructions that are executed on a computer or other programmable device are provided for implementation in the flowchart a step in a process or multiple processes and/or block diagrams of a function specified in a box or blocks Step.

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

Abstract

本申请实施例涉及无线通信技术领域,特别涉及一种进行通信的方法和设备,用以解决现有技术中存在的如果用户设备未能正确接收网络侧发送的携带上下行子帧配置信息的物理层控制信令,则用户设备无法与网络正常通信,造成用户吞吐量严重下降的问题。本申请实施例的方法包括:当用户设备未能在所述周期内接收到所述上下行子帧配置信息后,确定特定上下行子帧配置;用户设备按照特定上下行子帧配置,在所述周期内与所述网络侧设备进行通信。釆用本申请实施例的方案降低了用户设备未能正确接收网络侧发送的携带上下行子帧配置信息的物理层控制信令,则用户设备无法与网络正常通信的情况发生的几率,提高了用户吞吐量。

Description

一种进行通信的方法和设备
本申请要求在2013年4月1日提交中国专利局、申请号为201310111461.1、发明名称为“一种 进行通信的方法和设备”的中国专利申请的优先权,其全部内容通过引用结合在本申请中。
技术领域
本发明涉及无线通信技术领域,特别涉及一种进行通信的方法和设备。
背景技术
作为两大基本双工制式之一的TDD(Time division duplex,时分双工)模 式,在宽带移动通信对带宽需求不断增长的背景下,受到了越来越多的关注。 TDD系统中上行和下行传输使用相同的频率资源,在不同的时隙上传输上行/ 下行信号。在常见的TDD系统中,包括3G的TD-SCDMA(Time Division  Synchronized Code Division Multiple Access;时分同步码分多址)系统和4G 的TD-LTE(TD-SCDMA Long Term Evolution,时分同步码分多址-长期演进) 系统,上行和下行时隙的划分是静态或半静态的,通常的做法是在网络规划 过程中根据小区类型和大致的业务比例确定上下行时隙比例划分并保持不 变。这在宏小区大覆盖的背景下是较为简单的做法,并且也较为有效。3GPP (3rd Generation Partnership Project,第三代移动通信标准化组织)LTE Rel(版 本)-8/9/10中TDD模式的采用如图1所示的帧结构;上下行子帧分配方式支 持如表1所示的7种方式。
一个无线帧长度为10ms,包含特殊子帧和常规子帧两类共10个子帧, 每个子帧为1ms。特殊子帧分为3个子帧:DwPTS(Downlink Pilot Time Slot, 下行导频子帧);GP(用于下行和上行之间的保护间隔);UpPTS(Uplink Pilot  Time Slot,上行导频子帧)。常规子帧包括上行子帧和下行子帧,用于传输上 行/下行控制信道和业务数据等。其中在一个无线帧中,可以配置两个特殊子 帧(位于子帧1和6),也可以配置一个特殊子帧(位于子帧1)。子帧0和子 帧5以及特殊子帧中的DwPTS子帧总是用作下行传输,子帧2以及特殊子帧 中的UpPTS子帧总是用于上行传输,其他子帧可以依据需要配置为用作上行 传输或者下行传输。
表1
Figure PCTCN2014074393-appb-000001
随着网络的发展,3GPP TR36.828以及部分3GPP会议提案中公开了一些 信令设计方案,以支持TDD小区中灵活的UL-DL子帧分配,其中一种方式 是基站通过物理层的控制信道/或信号向用户设备发送指示TDD上下行子帧 配置的信息,将小区中目前使用的上下行子帧配置信息告知用户设备。这里 物理层控制信道可以使用PDCCH(Physical Downlink Control Channel,物理 下行控制信道)中特定的DCI(Downlink Control Information,下行控制信息) format(格式),或者PBCH(Physical Broadcast Channel,物理广播信道)等 物理信道等。
目前的物理层控制信道例如PDCCH、PBCH等均不存在HARQ(Hybrid  Automatic Repeat reQuest,混合自动重传请求)机制,如果用户设备对携带上 下行子帧配置信息的物理层控制信令解调错误,那么用户设备无法获知小区 在当前无线帧中使用的上下行子帧配置,因此无法确定盲检测 PDCCH/EPDCCH(增强的PDCCH)的子帧、以及上下行HARQ timing(混 合自动重传请求反馈定时关系)等,此时在该上下行子帧重配置周期内,用 户设备无法与网络正常通信,造成用户吞吐量严重下降。
综上所述,目前如果用户设备未能正确接收网络侧发送的携带上下行子 帧配置信息的物理层控制信令,则用户设备无法与网络正常通信,造成用户 吞吐量严重下降。
发明内容
本发明提供一种进行通信的方法和设备,用以解决现有技术中存在的如 果用户设备未能正确接收网络侧发送的携带上下行子帧配置信息的物理层控 制信令,则用户设备无法与网络正常通信,造成用户吞吐量严重下降的问题。
本发明实施例提供的一种确定上下行子帧配置信息的方法,包括:
用户设备在当前上下行子帧重配置周期内,接收网络侧设备发送的上下 行子帧配置信息;
当用户设备未能在所述周期内接收到所述上下行子帧配置信息后,确定 特定上下行子帧配置;
所述用户设备按照特定上下行子帧配置,在所述周期内与所述网络侧设 备进行通信。
较佳地,所述用户设备确定特定上下行子帧配置,包括:
所述用户设备将最近一次成功接收的上下行子帧配置信息对应的上下行 子帧配置作为特定上下行子帧配置;或
所述用户设备从所有备选的上下行子帧配置中选择下行子帧或上行子帧 最多的上下行子帧配置作为特定上下行子帧配置;或
所述用户设备根据之前收到的网络侧设备通过高层信令发送的特定上下 行子帧配置信息,确定特定上下行子帧配置;或
所述用户设备将之前收到的网络侧设备通过系统广播中发送的上下行子 帧配置信息对应的上下行子帧配置作为特定上下行子帧配置;或
所述用户设备将用于确定DL HARQ timing或UL HARQ timing的参考上 下行子帧配置作为特定上下行子帧配置;或
所述用户设备从3GPP TS36.211规定的上下行配置中选择一个上下行配 置作为特定上下行子帧配置。
较佳地,所述用户设备从3GPP TS36.211规定的上下行配置中选择上下 行配置2或上下行配置5。
较佳地,所述用户设备从3GPP TS36.211规定的上下行配置中选择上下 行配置0。
较佳地,所述用户设备在所述周期内与所述网络侧设备进行通信包括下 列方式中的部分或全部:
所述用户设备在所述周期内按照特定上下行子帧配置与所述网络侧设备 进行通信,将所述特定上下行子帧配置用于确定当前上下行子帧重配置周期 内的上行子帧和/或下行子帧;
所述用户设备在所述周期内按照特定上下行子帧配置与所述网络侧设备 进行通信,将所述特定上下行子帧配置用于确定盲检PDCCH和/或E-PDCCH 的子帧;
所述用户设备在所述周期内按照特定上下行子帧配置与所述网络侧设备 进行通信,将所述特定上下行子帧配置用于确定DL HARQ timing;
所述用户设备在所述周期内按照特定上下行子帧配置与所述网络侧设备 进行通信,将所述特定上下行子帧配置用于确定上行PUSCH调度timing和上 行HARQ timing。
本发明实施例提供的一种确定上下行子帧配置信息的用户设备,包括:
接收模块,用于在当前上下行子帧重配置周期内,接收网络侧设备发送 的上下行子帧配置信息;
确定模块,用于当未能在所述周期内接收到所述上下行子帧配置信息后, 确定特定上下行子帧配置;
通信模块,用于按照特定上下行子帧配置,在所述周期内与所述网络侧 设备进行通信。
较佳地,所述确定模块具体用于:
将最近一次成功接收的上下行子帧配置信息对应的上下行子帧配置作为 特定上下行子帧配置;或
从所有备选的上下行子帧配置中选择下行子帧或上行子帧最多的上下行 子帧配置作为特定上下行子帧配置;或
根据之前收到的网络侧设备通过高层信令发送的特定上下行子帧配置信 息,确定特定上下行子帧配置;或
将之前收到的网络侧设备通过系统广播中发送的上下行子帧配置信息对 应的上下行子帧配置作为特定上下行子帧配置;或
将用于确定DL HARQ timing或UL HARQ timing的参考上下行子帧配置 作为特定上下行子帧配置;或
从3GPP TS36.211规定的上下行配置中选择一个上下行配置作为特定上 下行子帧配置。
较佳地,所述确定模块具体用于:
从3GPP TS36.211规定的上下行配置中选择一个上下行配置作为特定上 下行子帧配置时,从3GPP TS36.211规定的上下行配置中选择上下行配置2 或上下行配置5。
较佳地,所述确定模块具体用于:
从3GPP TS36.211规定的上下行配置中选择一个上下行配置作为特定上 下行子帧配置时,从3GPP TS36.211规定的上下行配置中选择上下行配置0。
较佳地,所述通信模块具体用于:
在所述周期内与所述网络侧设备进行通信包括下列方式中的部分或全 部:
在所述周期内按照特定上下行子帧配置与所述网络侧设备进行通信,将 所述特定上下行子帧配置用于确定当前上下行子帧重配置周期内的上行子帧 和/或下行子帧;
在所述周期内按照特定上下行子帧配置与所述网络侧设备进行通信,将 所述特定上下行子帧配置用于确定盲检PDCCH和/或E-PDCCH的子帧;
在所述周期内按照特定上下行子帧配置与所述网络侧设备进行通信,将 所述特定上下行子帧配置用于确定DL HARQ timing;
在所述周期内按照特定上下行子帧配置与所述网络侧设备进行通信,将 所述特定上下行子帧配置用于确定上行PUSCH调度timing和上行HARQ  timing。
本发明实施例还提供一种用户设备,包括处理器和数据收发信机,其中:
所述处理器被配置为用于:在当前上下行子帧重配置周期内,接收网络 侧设备发送的上下行子帧配置信息;当未能在周期内接收到上下行子帧配置 信息后,确定特定上下行子帧配置;按照特定上下行子帧配置,在周期内与 网络侧设备进行通信;
所述数据收发信机用于实现所述处理器与网络侧设备间的数据传输。
本发明实施例用户设备在当前上下行子帧重配置周期内,接收网络侧设 备发送的上下行子帧配置信息失败后,按照特定上下行子帧配置,与在当前 上下行子帧重配置周期内所述网络侧设备进行通信,从而降低了用户设备未 能正确接收网络侧发送的携带上下行子帧配置信息的物理层控制信令,则用 户设备无法与网络正常通信的情况发生的几率,提高了用户吞吐量。
附图说明
图1为背景技术中TD-LTE系统帧结构示意图;
图2为本发明实施例进行通信的方法流程示意图;
图3为本发明实施例用户设备的结构示意图;
图4为本发明实施例发送上下行子帧配置信息的示意图。
具体实施方式
本发明实施例用户设备在当前上下行子帧重配置周期内,接收网络侧设 备发送的上下行子帧配置信息失败后,按照特定上下行子帧配置,与在当前 上下行子帧重配置周期内网络侧设备进行通信,从而降低了用户设备未能正 确接收网络侧发送的携带上下行子帧配置信息的物理层控制信令,则降低了 用户设备无法与网络正常通信的情况发生的几率,提高了用户吞吐量。
如图2所示,本发明实施例进行通信的方法包括下列步骤:
步骤201、用户设备在当前上下行子帧重配置周期内,接收网络侧设备发 送的上下行子帧配置信息;
步骤202、当用户设备未能在当前上下行子帧重配置周期内接收到上下行 子帧配置信息后,确定特定上下行子帧配置;
步骤203、用户设备按照特定上下行子帧配置,在当前上下行子帧重配置 周期内与网络侧设备进行通信。
较佳地,用户设备可以将下列上下行子帧配置中的一种作为特定上下行 子帧配置:
用户设备将最近一次成功接收的上下行子帧配置信息对应的上下行子帧 配置作为特定上下行子帧配置;或
用户设备从所有备选的上下行子帧配置中选择下行子帧或上行子帧最多 的上下行子帧配置作为特定上下行子帧配置;或
用户设备根据之前收到的网络侧设备通过高层信令发送的特定上下行子 帧配置信息,确定特定上下行子帧配置,对于这种方式,在用户设备确定之 前网络侧预先通过高层信令告知用户设备一个特定上下行子帧配置信息;或
用户设备将之前收到的网络侧设备通过系统广播中发送的上下行子帧配 置信息对应的上下行子帧配置作为特定上下行子帧配置;或
用户设备将用于确定DL HARQ timing或UL HARQ timing的参考上下行 子帧配置作为特定上下行子帧配置,这种方式中用于确定DL HARQ timing或 UL HARQ timing的参考上下行子帧可以由网络侧通过信令告知用户设备,还 可以采用协议约定的方式;或
用户设备从3GPP TS36.211规定的上下行配置中选择一个上下行配置作 为特定上下行子帧配置。
较佳地,用户设备从3GPP TS36.211规定的上下行配置中选择上下行配 置2或上下行配置5,即表1中的上下行配置2或上下行配置5。
较佳地,用户设备从3GPP TS36.211规定的上下行配置中选择上下行配 置0,即表1中的上下行配置0。
较佳地,用户设备在周期内与网络侧设备进行通信包括下列方式中的部 分或全部:
用户设备在周期内按照特定上下行子帧配置与网络侧设备进行通信,将 特定上下行子帧配置用于确定当前上下行子帧重配置周期内的上行子帧和/或 下行子帧,即根据特定上下行子帧配置确定当前上下行子帧重配置周期内的 上行子帧和/或下行子帧,在周期内按照确定的上行子帧和/或下行子帧与网络 侧设备进行通信;
用户设备在周期内按照特定上下行子帧配置与网络侧设备进行通信,将 特定上下行子帧配置用于确定盲检PDCCH和/或E-PDCCH的子帧,即根据特 定上下行子帧配置确定盲检PDCCH和/或E-PDCCH的子帧;
用户设备在周期内按照特定上下行子帧配置与网络侧设备进行通信,将 特定上下行子帧配置用于确定DL HARQ timing,即根据特定上下行子帧配置 确定下行数据PDSCH的HARQ进程反馈时序;
用户设备在周期内按照特定上下行子帧配置与网络侧设备进行通信,将 特定上下行子帧配置用于确定上行PUSCH调度timing和上行HARQ timing, 即根据特定上下行子帧配置确定上行PUSCH的调度时序和上行PUSCH的 HARQ进程反馈时序。
基于同一发明构思,本发明实施例中还提供了一种用户设备,由于该设 备解决问题的原理与本发明实施例进行通信的方法相似,因此该设备的实施 可以参见方法的实施,重复之处不再赘述。
如图3所示,本发明实施例的用户设备包括:接收模块300、确定模块 310和通信模块320。
接收模块300,用于在当前上下行子帧重配置周期内,接收网络侧设备发 送的上下行子帧配置信息;
确定模块310,用于当未能在周期内接收到上下行子帧配置信息后,确定 特定上下行子帧配置;
通信模块320,用于按照特定上下行子帧配置,在周期内与网络侧设备进 行通信。
较佳地,确定模块310具体用于:
将最近一次成功接收的上下行子帧配置信息对应的上下行子帧配置作为 特定上下行子帧配置;或
从所有备选的上下行子帧配置中选择下行子帧或上行子帧最多的上下行 子帧配置作为特定上下行子帧配置;或
根据之前收到的网络侧设备通过高层信令发送的特定上下行子帧配置信 息,确定特定上下行子帧配置;或
将之前收到的网络侧设备通过系统广播中发送的上下行子帧配置信息对 应的上下行子帧配置作为特定上下行子帧配置;或
将用于确定DL HARQ timing或UL HARQ timing的参考上下行子帧配置 作为特定上下行子帧配置;或
从3GPP TS36.211规定的上下行配置中选择一个上下行配置作为特定上 下行子帧配置。
较佳地,确定模块310具体用于:
从3GPP TS36.211规定的上下行配置中选择一个上下行配置作为特定上 下行子帧配置时,从3GPP TS36.211规定的上下行配置中选择上下行配置2 或上下行配置5。
较佳地,确定模块310具体用于:
从3GPP TS36.211规定的上下行配置中选择一个上下行配置作为特定上 下行子帧配置时,从3GPP TS36.211规定的上下行配置中选择上下行配置0。
较佳地。通信模块320具体用于:
在周期内与网络侧设备进行通信包括下列方式中的部分或全部:
在周期内按照特定上下行子帧配置与网络侧设备进行通信,将特定上下 行子帧配置用于确定当前上下行子帧重配置周期内的上行子帧和/或下行子 帧;
在周期内按照特定上下行子帧配置与网络侧设备进行通信,将特定上下 行子帧配置用于确定盲检PDCCH和/或E-PDCCH的子帧;
在周期内按照特定上下行子帧配置与网络侧设备进行通信,将特定上下 行子帧配置用于确定DL HARQ timing;
在周期内按照特定上下行子帧配置与网络侧设备进行通信,将特定上下 行子帧配置用于确定上行PUSCH调度timing和上行HARQ timing。
本发明实施例还提供一种用户设备,包括处理器和数据收发信机,其中:
所述处理器被配置为用于:在当前上下行子帧重配置周期内,接收网络 侧设备发送的上下行子帧配置信息;当未能在周期内接收到上下行子帧配置 信息后,确定特定上下行子帧配置;按照特定上下行子帧配置,在周期内与 网络侧设备进行通信;
所述数据收发信机用于实现所述处理器与网络侧设备间的数据传输。
下面以用户设备将最近一次成功接收的上下行子帧配置信息对应的上下 行子帧配置作为特定上下行子帧配置为例,对本发明方案进行说明。
如图4所示,基站使用PDCCH在每个无线帧中的子帧0发送携带有上下 行子帧配置的DCI,告知用户设备在该无线帧中小区采用的上下行子帧配置。
用户设备在无线帧i的子帧0正确接收到网络使用的上下行配置为配置0, 则在按照配置0定义的方式与网络进行通信;
在下一无线帧i+1的网络侧将上下行配置修改为配置2,而用户设备在子 帧0未能正确收到网络侧发送的携带有上下行子帧配置的PDCCH,则用户设 备仍然按照与前一无线帧i相同的配置0方式与网络进行通信。
本领域内的技术人员应明白,本发明的实施例可提供为方法、系统、或 计算机程序产品。因此,本发明可采用完全硬件实施例、完全软件实施例、 或结合软件和硬件方面的实施例的形式。而且,本发明可采用在一个或多个 其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘 存储器、CD-ROM、光学存储器等)上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产 品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图 和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程 和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、 嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器,使得通 过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流 程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的 装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设 备以特定方式工作的计算机可读存储器中,使得存储在该计算机可读存储器 中的指令产生包括指令装置的制造品,该指令装置实现在流程图一个流程或 多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上, 使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的 处理,从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图 一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步 骤。
尽管已描述了本发明的优选实施例,但本领域内的技术人员一旦得知了 基本创造性概念,则可对这些实施例作出另外的变更和修改。所以,所附权 利要求意欲解释为包括优选实施例以及落入本发明范围的所有变更和修改。
显然,本领域的技术人员可以对本发明进行各种改动和变型而不脱离本 发明的精神和范围。这样,倘若本发明的这些修改和变型属于本发明权利要 求及其等同技术的范围之内,则本发明也意图包含这些改动和变型在内。

Claims (10)

  1. 一种进行通信的方法,其特征在于,该方法包括:
    用户设备在当前上下行子帧重配置周期内,接收网络侧设备发送的上下 行子帧配置信息;
    当用户设备未能在所述周期内接收到所述上下行子帧配置信息后,确定 特定上下行子帧配置;
    所述用户设备按照特定上下行子帧配置,在所述周期内与所述网络侧设 备进行通信。
  2. 如权利要求1所述的方法,其特征在于,所述用户设备确定特定上下 行子帧配置,包括:
    所述用户设备将最近一次成功接收的上下行子帧配置信息对应的上下行 子帧配置作为特定上下行子帧配置;或
    所述用户设备从所有备选的上下行子帧配置中选择下行子帧或上行子帧 最多的上下行子帧配置作为特定上下行子帧配置;或
    所述用户设备根据之前收到的网络侧设备通过高层信令发送的特定上下 行子帧配置信息,确定特定上下行子帧配置;或
    所述用户设备将之前收到的网络侧设备通过系统广播中发送的上下行子 帧配置信息对应的上下行子帧配置作为特定上下行子帧配置;或
    所述用户设备将用于确定下行混合自动重传请求反馈定时关系DL  HARQ timing或上行混合自动重传请求反馈定时关系UL HARQ timing的参考 上下行子帧配置作为特定上下行子帧配置;或
    所述用户设备从第三代移动通信标准化组织标准3GPP TS36.211规定的 上下行配置中选择一个上下行配置作为特定上下行子帧配置。
  3. 如权利要求2所述的方法,其特征在于,所述用户设备从3GPP TS36.211 规定的上下行配置中选择上下行配置2或上下行配置5。
  4. 如权利要求2所述的方法,其特征在于,所述用户设备从3GPP TS36.211 规定的上下行配置中选择上下行配置0。
  5. 如权利要求1~4任一所述的方法,其特征在于,所述用户设备在所述 周期内与所述网络侧设备进行通信包括下列方式中的部分或全部:
    所述用户设备在所述周期内按照特定上下行子帧配置与所述网络侧设备 进行通信,将所述特定上下行子帧配置用于确定当前上下行子帧重配置周期 内的上行子帧和/或下行子帧;
    所述用户设备在所述周期内按照特定上下行子帧配置与所述网络侧设备 进行通信,将所述特定上下行子帧配置用于确定盲检物理下行控制信道 PDCCH和/或增强的物理下行控制信道E-PDCCH的子帧;
    所述用户设备在所述周期内按照特定上下行子帧配置与所述网络侧设备 进行通信,将所述特定上下行子帧配置用于确定DL HARQ timing;
    所述用户设备在所述周期内按照特定上下行子帧配置与所述网络侧设备 进行通信,将所述特定上下行子帧配置用于确定上行PUSCH调度timing和上 行HARQ timing。
  6. 一种进行通信的用户设备,其特征在于,该用户设备包括:
    接收模块,用于在当前上下行子帧重配置周期内,接收网络侧设备发送 的上下行子帧配置信息;
    确定模块,用于当未能在所述周期内接收到所述上下行子帧配置信息后, 确定特定上下行子帧配置;
    通信模块,用于按照特定上下行子帧配置,在所述周期内与所述网络侧 设备进行通信。
  7. 如权利要求6所述的用户设备,其特征在于,所述确定模块具体用于:
    将最近一次成功接收的上下行子帧配置信息对应的上下行子帧配置作为 特定上下行子帧配置;或
    从所有备选的上下行子帧配置中选择下行子帧或上行子帧最多的上下行 子帧配置作为特定上下行子帧配置;或
    根据之前收到的网络侧设备通过高层信令发送的特定上下行子帧配置信 息,确定特定上下行子帧配置;或
    将之前收到的网络侧设备通过系统广播中发送的上下行子帧配置信息对 应的上下行子帧配置作为特定上下行子帧配置;或
    将用于确定DL HARQ timing或UL HARQ timing的参考上下行子帧配置 作为特定上下行子帧配置;或
    从3GPP TS36.211规定的上下行配置中选择一个上下行配置作为特定上 下行子帧配置。
  8. 如权利要求7所述的用户设备,其特征在于,所述确定模块具体用于:
    从3GPP TS36.211规定的上下行配置中选择一个上下行配置作为特定上 下行子帧配置时,从3GPP TS36.211规定的上下行配置中选择上下行配置2 或上下行配置5。
  9. 如权利要求7所述的用户设备,其特征在于,所述确定模块具体用于:
    从3GPP TS36.211规定的上下行配置中选择一个上下行配置作为特定上 下行子帧配置时,从3GPP TS36.211规定的上下行配置中选择上下行配置0。
  10. 如权利要求6~9任一所述的用户设备,其特征在于,所述通信模块 具体用于:
    在所述周期内与所述网络侧设备进行通信包括下列方式中的部分或全 部:
    在所述周期内按照特定上下行子帧配置与所述网络侧设备进行通信,将 所述特定上下行子帧配置用于确定当前上下行子帧重配置周期内的上行子帧 和/或下行子帧;
    在所述周期内按照特定上下行子帧配置与所述网络侧设备进行通信,将 所述特定上下行子帧配置用于确定盲检PDCCH和/或E-PDCCH的子帧;
    在所述周期内按照特定上下行子帧配置与所述网络侧设备进行通信,将 所述特定上下行子帧配置用于确定DL HARQ timing;
    在所述周期内按照特定上下行子帧配置与所述网络侧设备进行通信,将 所述特定上下行子帧配置用于确定上行PUSCH调度timing和上行HARQ  timing。
PCT/CN2014/074393 2013-04-01 2014-03-31 一种进行通信的方法和设备 Ceased WO2014161453A1 (zh)

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