Wireless communication method, apparatus, and system

    公开(公告)号:US09674791B2

    公开(公告)日:2017-06-06

    申请号:US14757677

    申请日:2015-12-23

    Inventor: Chaojun Li

    CPC classification number: H04W52/146 H04L5/1469 H04W52/16 H04W52/54 H04W72/042

    Abstract: Embodiments of the present invention provide a wireless communication method, an apparatus, and a system. The method includes: receiving, by UE in a fixed downlink subframe whose subframe number is i−KUL, at least one TPC command sent by a base station, where the at least one TPC command is carried on a PDCCH whose format is a DCI format 3/3A, and the at least one TPC command includes a TPC command of an uplink signal that is sent in an uplink subframe whose subframe number is i; determining, by the UE according to the TPC command of the uplink signal that is sent in the uplink subframe whose subframe number is i, a problem that in a scenario in which a dynamic TDD uplink-downlink subframe configuration is applied, a base station fails to receive an uplink signal.

    Method and apparatus for transmitting control signaling
    93.
    发明授权
    Method and apparatus for transmitting control signaling 有权
    用于发送控制信令的方法和装置

    公开(公告)号:US09497750B2

    公开(公告)日:2016-11-15

    申请号:US14134932

    申请日:2013-12-19

    CPC classification number: H04W72/042 H04B7/0417 H04L5/0091

    Abstract: The present invention discloses a method and an apparatus for transmitting control signaling. The method includes: determining that a physical downlink shared channel PDSCH transmission scheme for a non-backward compatible component carrier is a user equipment-specific reference signal UE RS-based non-precoding matrix indicator Non-PMI feedback transmission scheme or a UE RS-based up to 8 layer transmission scheme; and sending downlink control information DCI to a UE, where the DCI is used to indicate the determined PDSCH transmission scheme. The apparatus includes a determining module and a first sending module. The method and apparatus in embodiments of the present invention can expand application scenarios of the non-backward compatible component carrier, increase spectrum utilization of the system, and avoid a system capacity decrease problem caused by limitations on the application scenarios of the non-backward compatible component carrier.

    Abstract translation: 本发明公开了一种用于发送控制信令的方法和装置。 该方法包括:确定用于非向后兼容分量载波的物理下行链路共享信道PDSCH传输方案是基于用户设备的参考信号基于UE RS的非预编码矩阵指示符非PMI反馈传输方案或UE RS- 基于8层传输方案; 并向UE发送下行链路控制信息DCI,其中DCI用于指示所确定的PDSCH传输方案。 该装置包括确定模块和第一发送模块。 本发明的实施例中的方法和装置可以扩展非向后兼容分量载波的应用场景,增加系统的频谱利用率,并避免系统容量减少问题,这是由于对非向后兼容的应用场景的限制 分量载体。

    Methods for transmitting and receiving control channel, base station, and user equipment
    94.
    发明授权
    Methods for transmitting and receiving control channel, base station, and user equipment 有权
    发送和接收控制信道,基站和用户设备的方法

    公开(公告)号:US09426796B2

    公开(公告)日:2016-08-23

    申请号:US14326644

    申请日:2014-07-09

    CPC classification number: H04W72/042 H04L5/0048 H04L5/0053 H04W72/0453

    Abstract: Embodiments of the present invention provide methods for transmitting and receiving a control channel, a base station, and a user equipment, which relate to the communication field, and can solve a transmission problem of available changing transmission resources caused by introduction of an E-PDCCH. A method for configuring a control channel resource includes: determining, by a base station according to a system configuration and/or user configuration, resource elements REs included in an extended control channel element E-CCE, and transmitting an extended physical downlink control channel E-PDCCH to a user equipment, where the E-PDCCH is carried by the E-CCE; and receiving, by the user equipment, the E-PDCCH, and obtaining the REs included in the E-CCE, and receiving, over the REs included in the E-CCE, the E-PDCCH transmitted by the base station. The embodiments of the present invention are used for configuring and detecting a control channel resource.

    Abstract translation: 本发明的实施例提供了用于发送和接收与通信领域有关的控制信道,基站和用户设备的方法,并且可以解决由引入的E-PDCCH引起的可用的改变的传输资源的传输问题 。 一种用于配置控制信道资源的方法包括:由基站根据系统配置和/或用户配置确定包括在扩展控制信道单元E-CCE中的资源元素RE,并且发送扩展物理下行链路控制信道E -PDCCH发送到用户设备,其中E-PDCCH由E-CCE承载; 并且由用户设备接收E-PDCCH,并且获得包含在E-CCE中的RE,并且通过包括在E-CCE中的RE接收由基站发送的E-PDCCH。 本发明的实施例用于配置和检测控制信道资源。

    Method for sending and receiving control information, apparatus and communication system
    95.
    发明授权
    Method for sending and receiving control information, apparatus and communication system 有权
    发送和接收控制信息,设备和通信系统的方法

    公开(公告)号:US09220097B2

    公开(公告)日:2015-12-22

    申请号:US14810951

    申请日:2015-07-28

    Abstract: The present invention provides a method for sending and receiving control information, an apparatus and a communication system. The method for sending control information includes: setting respective control bits in a downlink control information (DCI) format to generate control information applied by a network side to a terminal, wherein indication information indicating whether to swap a corresponding relationship between a transmission block and a codeword is not carried in a control bit in the DCI format, if a dedicated demodulation reference signal used to demodulate data is preconfigured by the network side for the terminal and respective codewords correspond to the same number of layers; and the indication information is carried in a control bit in the DCI format, if the dedicated demodulation reference signal used to demodulate data is not preconfigured by the network side for the terminal; and sending the generated control information to the terminal.

    Abstract translation: 本发明提供一种发送和接收控制信息的方法,装置和通信系统。 用于发送控制信息的方法包括:以下行链路控制信息(DCI)格式设置各个控制比特,以生成由网络侧向终端应用的控制信息,其中指示是否交换传输块和 如果用于解调数据的专用解调参考信号由网络侧为终端预配置,并且相应的码字对应于相同数量的层,则码流不以DCI格式的控制位中携带; 并且如果用于解调数据的专用解调参考信号未被终端的网络侧预配置,则指示信息被携带在DCI格式的控制位中; 并将所生成的控制信息发送到终端。

    Method, system and apparatus of multi-subframe scheduling
    96.
    发明授权
    Method, system and apparatus of multi-subframe scheduling 有权
    多子帧调度的方法,系统和装置

    公开(公告)号:US09059849B2

    公开(公告)日:2015-06-16

    申请号:US13624438

    申请日:2012-09-21

    Abstract: The present invention discloses a method, system and apparatus of multi-subframe scheduling. The method of multi-subframe scheduling comprises: sending a terminal a continuous scheduling indication, a first Hybrid Automatic Repeat Request (HARQ) process number corresponding to a first scheduled subframe, and a scheduling configuration parameter of multi-subframe scheduling; acquiring a second HARQ process number corresponding to a currently-scheduling subframe according to the first HARQ process number corresponding to the first scheduled subframe and the continuous scheduling indication, and performing a data packet transmission of the corresponding second HARQ process number in the currently-scheduling subframe by using the scheduling configuration parameter, each scheduled subframe of the multi-subframe scheduling carrying one data packet, and each scheduled subframe of the multi-subframe scheduling using the scheduling configuration parameter. The embodiments of the present invention may save control signaling overhead of the system and improve spectrum efficiency of the system.

    Abstract translation: 本发明公开了一种多子帧调度的方法,系统和装置。 多子帧调度的方法包括:向终端发送连续调度指示,对应于第一调度子帧的第一混合自动重复请求(HARQ)处理号和多子帧调度的调度配置参数; 根据与第一调度子帧对应的第一HARQ进程号和连续调度指示,获取对应于当前调度子帧的第二HARQ进程号,并在当前调度中执行对应的第二HARQ进程号的数据分组传输 通过使用调度配置参数,携带一个数据分组的多子帧调度的每个调度子帧,以及使用调度配置参数的多子帧调度的每个调度子帧。 本发明的实施例可以节省系统的控制信令开销并提高系统的频谱效率。

    METHOD, APPARATUS AND SYSTEM FOR RECEIVING AND SENDING SCHEDULING INFORMATION
    97.
    发明申请
    METHOD, APPARATUS AND SYSTEM FOR RECEIVING AND SENDING SCHEDULING INFORMATION 有权
    方法,接收和发送调度信息的装置和系统

    公开(公告)号:US20140086184A1

    公开(公告)日:2014-03-27

    申请号:US14094022

    申请日:2013-12-02

    CPC classification number: H04L5/0053 H04L5/001 H04L5/0055 H04W72/1289

    Abstract: The present invention discloses a method and a terminal for receiving and sending scheduling information, and relates to the field of communications technologies. The method comprises: obtaining, by a terminal, transmission mode information of each carrier of N carriers configured by a network device, where N is a natural number greater than 1; determining a set of candidate downlink control information DCI formats according to the transmission mode information, where the set of candidate DCI formats includes at least a first DCI format and a second DCI format, where a physical downlink control channel PDCCH corresponding to the first DCI format carries scheduling information of at least two carriers of the N carriers, and a PDCCH corresponding to the second DCI format carries scheduling information of one carrier of the N carriers; and receiving and detecting a PDCCH corresponding to each DCI format in the set of candidate DCI formats.

    Abstract translation: 本发明公开了一种接收和发送调度信息的方法和终端,涉及通信技术领域。 该方法包括:由终端获得由网络设备配置的N个载波的每个载波的传输模式信息,其中N是大于1的自然数; 根据传输模式信息确定一组候选下行链路控制信息DCI格式,其中候选DCI格式的集合至少包括第一DCI格式和第二DCI格式,其中对应于第一DCI格式的物理下行链路控制信道PDCCH 携带N个载波的至少两个载波的调度信息,与第二DCI格式对应的PDCCH携带N个载波的一个载波的调度信息; 以及在所述一组候选DCI格式中接收和检测对应于每个DCI格式的PDCCH。

    METHOD, APPARATUS, AND SYSTEM FOR TRANSMITTING DATA
    98.
    发明申请
    METHOD, APPARATUS, AND SYSTEM FOR TRANSMITTING DATA 有权
    用于发送数据的方法,装置和系统

    公开(公告)号:US20140029552A1

    公开(公告)日:2014-01-30

    申请号:US14043027

    申请日:2013-10-01

    Abstract: Embodiments of the present invention disclose a method, an apparatus, and a system for transmitting data and relate to the communications field. In order to enable more flexible configuration of flexible subframes and increase downlink throughput, a technical solution provided in the present invention is as follows: configuring an HARQ synchronization attribute of a data packet, where the HARQ synchronization attribute includes synchronous HARQ or asynchronous HARQ; configuring an HARQ process ID of the data packet when the HARQ synchronization attribute is configured to asynchronous HARQ; and sending downlink control information for scheduling the data packet to a user equipment.

    Abstract translation: 本发明的实施例公开了一种用于发送数据并涉及通信领域的方法,装置和系统。 为了实现灵活子帧的更灵活配置和增加下行吞吐量,本发明提供的技术方案如下:配置数据分组的HARQ同步属性,其中HARQ同步属性包括同步HARQ或异步HARQ; 当所述HARQ同步属性被配置为异步HARQ时,配置所述数据分组的HARQ进程ID; 并向用户设备发送用于调度数据分组的下行链路控制信息。

    Method, Base Station, and User Equipment for Feeding Back ACK/NACK Information for Carrier Aggregation
    99.
    发明申请
    Method, Base Station, and User Equipment for Feeding Back ACK/NACK Information for Carrier Aggregation 有权
    用于馈送ACK / NACK信息的方法,基站和用户设备用于载波聚合

    公开(公告)号:US20130107846A1

    公开(公告)日:2013-05-02

    申请号:US13725413

    申请日:2012-12-21

    Abstract: The present invention provides a method, a base station, and a user equipment for feeding back ACK/NACK information for carrier aggregation. The method includes configuring a common field preset in DCI as at least one type of command field related to ACK/NACK feedback of at least two types of command fields related to ACK/NACK feedback, where the common field can be configured as the command fields related to ACK/NACK feedback; and sending the DCI to a user equipment, so that the user equipment feeds back ACK/NACK information according to the DCI.

    Abstract translation: 本发明提供一种用于反馈用于载波聚合的ACK / NACK信息的方法,基站和用户设备。 该方法包括将DCI中预设的公共字段配置为与ACK / NACK反馈相关的至少两种类型的命令字段的ACK / NACK反馈相关的至少一种类型的命令字段,其中公共字段可以被配置为命令字段 与ACK / NACK反馈相关; 并将DCI发送给用户设备,使得用户设备根据DCI反馈ACK / NACK信息。

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