公开(公告)号：US20170338868A1

公开(公告)日：2017-11-23

申请号：US15371840

申请日：2016-12-07

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qiang Wu ,  Leiming Zhang ,  Jianghua Liu

IPC: H04B7/0456 ,  H04B7/0417 ,  H04B7/06 ,  H04L1/06

CPC classification number: H04B7/0456 ,  H04B7/0417 ,  H04B7/0639 ,  H04L1/06

Abstract: Embodiments disclose a method for transmitting a 4-antenna precoding matrix, a user equipment, and a base station. The method includes determining a rank used for indicating the number of transmission layers, determining a first precoding matrix in a codebook set corresponding to the rank, determining a first PMI and a second PMI used for indicating the first precoding matrix, and sending the first PMI and the second PMI used for indicating the first precoding matrix to a base station.

公开(公告)号：US20170311298A1

公开(公告)日：2017-10-26

申请号：US15599260

申请日：2017-05-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu ,  Kunpeng Liu ,  Qiang Wu ,  Jianghua Liu

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/0053 ,  H04L5/0064 ,  H04W72/0406

Abstract: In a system and method of control channel transmission in the communications field, REs, except those used for transmitting a DMRS, are grouped in each physical resource block pair of L physical resource block pairs. The L physical resource block pairs are determined to be used to transmit a control channel into N eREGs. The number of valid REs are calculated except other overheads in each eREG of the N eREGs. Each of the eCCEs are mapped onto M eREGs according to the number of valid REs included in each eREG of the N eREGs of each physical resource block pair. The eCCE is sent in the REs included in the eREG.

公开(公告)号：US20170302410A1

公开(公告)日：2017-10-19

申请号：US15637752

申请日：2017-06-29

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu ,  Qiang Wu ,  Yongxing Zhou ,  Bingyu Qu

IPC: H04L1/18 ,  H04W76/04 ,  H04W72/04 ,  H04L5/00 ,  H04W88/02

Abstract: A control information transmission method, a base station, and user equipment are disclosed. The transmission method includes: sending, by a base station, first control information on a second carrier, where the first control information is used by the base station to send data on a first carrier according to the first control information; and sending, by the base station, the data on the first carrier according to the first control information; where duration of a transmission time interval of the first carrier is less than duration of a transmission time interval of the second carrier.

公开(公告)号：US09730203B2

公开(公告)日：2017-08-08

申请号：US14599841

申请日：2015-01-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Jianqin Liu ,  Kunpeng Liu ,  Qiang Wu ,  Yongxing Zhou ,  Jianghua Liu

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/042 ,  H04L5/00 ,  H04L5/0053 ,  H04W72/04

Abstract: The present invention provides a method for assigning the number of control channel candidates and the number of blind detection times, a base station, and a user equipment. The method includes determining a first aggregation level set {L1i} and determining the number of EPDCCH candidates corresponding to each aggregation level in the {L1i}. {L1i} is formed by N aggregation levels supported by an EPDCCH. A second aggregation level set {L2j} is determined along with the number of EPDCCH candidates corresponding to each aggregation level in the {L2j}. {L2j} is formed by M aggregation levels supported by an EPDCCH to be detected, {L2j} is a subset of {L1i}, and the number of EPDCCH candidates corresponding to L2j in {L2j} is greater than or equal to the number of EPDCCH candidates corresponding to L2j in {L1i}.

公开(公告)号：US09571238B2

公开(公告)日：2017-02-14

申请号：US14455050

申请日：2014-08-08

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Chi Gao ,  Jianghua Liu ,  Qiang Wu

IPC: H04L5/00 ,  H04B7/06 ,  H04W72/04 ,  H04W72/12

CPC classification number: H04L5/0005 ,  H04B7/0697 ,  H04L5/0053 ,  H04L5/0058 ,  H04L5/006 ,  H04W72/0413 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/1273

Abstract: Embodiments of the present invention provide a control channel resource transmission method, a base station and a user equipment which can ensure balance between performance of E-CCEs on a resource set, and further ensure scheduling and receiving performance of the E-CCEs. A control channel resource transmission method includes: mapping, by a base station, more than one enhanced control channel element E-CCE onto a resource set, where each E-CCE is mapped onto a corresponding first resource subset and a corresponding second resource subset respectively, so that each E-CCE occupies a resource of the same size or a difference between sizes of resources occupied by the E-CCEs is less than a preset threshold, where the E-CCEs are carried on the resource set for transmission; and transmitting the resource set that carries the E-CCEs to a user equipment; and demodulating, by the user equipment, the resource set and performing receiving.

Abstract translation: 本发明的实施例提供一种控制信道资源传输方法，基站和用户设备，其可以确保资源集上的E-CCE的性能之间的平衡，并进一步确保E-CCE的调度和接收性能。 控制信道资源传输方法包括：由基站将多于一个增强控制信道单元E-CCE映射到资源集合，其中每个E-CCE分别映射到对应的第一资源子集和对应的第二资源子集 使得每个E-CCE占用相同大小的资源，或者由E-CCE占用的资源的大小之间的差异小于预设的阈值，其中E-CCE被携带在用于传输的资源集上; 并将携带E-CCE的资源集合发送给用户设备; 并且由用户设备解调资源集合并执行接收。

公开(公告)号：US09497750B2

公开(公告)日：2016-11-15

申请号：US14134932

申请日：2013-12-19

Applicant: Huawei Technologies Co., Ltd.

Inventor： Chaojun Li ,  Yongxia Lv ,  Qiang Wu ,  Jianghua Liu

IPC: H04B7/00 ,  H04W72/04 ,  H04B7/04 ,  H04L5/00

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。

公开(公告)号：US09479994B2

公开(公告)日：2016-10-25

申请号：US14319507

申请日：2014-06-30

Applicant: Huawei Technologies Co., Ltd.

Inventor： Mingyu Zhou ,  Liang Xia ,  Qiang Wu

IPC: H04W40/14 ,  H04L1/18 ,  H04L1/06 ,  H04W72/04 ,  H04B7/02 ,  H04B7/06

CPC classification number: H04W40/14 ,  H04B7/026 ,  H04B7/0686 ,  H04L1/0625 ,  H04L1/1893 ,  H04W72/042

Abstract: Embodiments of the present invention provide a retransmission method and device. The method includes: controlling, by a network side device, a network side node to send a second space processing mode to a terminal after the network side node receives a negative acknowledgement fed back by the terminal, where the negative acknowledgement is used to indicate that the terminal fails in decoding the downlink data sent by a first node, the second space processing mode is used to indicate a space processing mode applied by the second node to the downlink data, and the second space processing mode is different from a first space processing mode applied by the first node to the downlink data; and controlling, by the network side device, the second node to perform space processing for the downlink data by using the second space processing mode and then retransmit the downlink data to the terminal.

Abstract translation: 本发明的实施例提供一种重传方法和装置。 所述方法包括：在所述网络侧节点接收到由所述终端反馈的否定确认之后，由网络侧设备控制网络侧节点向终端发送第二空间处理模式，其中所述否定确认用于指示所述终端 终端解码由第一节点发送的下行链路数据，第二空间处理模式用于指示由第二节点向下行链路数据应用的空间处理模式，并且第二空间处理模式与第一空间处理不同 模式由第一节点应用于下行链路数据; 以及由所述网络侧设备控制所述第二节点，以通过使用所述第二空间处理模式对所述下行链路数据进行空间处理，然后将所述下行链路数据重新发送到所述终端。

公开(公告)号：US09426796B2

公开(公告)日：2016-08-23

申请号：US14326644

申请日：2014-07-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Kunpeng Liu ,  Chaojun Li ,  Qiang Wu

IPC: H04W72/04 ,  H04L5/00

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。

公开(公告)号：US20160197662A1

公开(公告)日：2016-07-07

申请号：US15073147

申请日：2016-03-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Qiang Wu ,  Leiming Zhang ,  Jianghua Liu

IPC: H04B7/06 ,  H04W24/02 ,  H04W72/04

CPC classification number: H04B7/0632 ,  H04B7/0639 ,  H04L1/0026 ,  H04L1/0028 ,  H04W24/02 ,  H04W72/042 ,  H04W88/02

Abstract: The present invention discloses a channel state information feedback method and apparatus. User equipment determines a PMI and a CQI, and a feedback expression manner of the PMI and the CQI, where the feedback expression manner includes a first or a second feedback expression manner, and sends the PMI and the CQI to a network device in the determined feedback expression manner of the PMI and the CQI, where the first feedback expression manner includes: using T CQI values to express CQI of M codewords, and using one PMI value to indicate one PMI, where T is less than M, and there is at least one CQI value that can express CQI of at least two codewords; and the second feedback expression manner includes: using M CQI values to express CQI of M codewords. The present invention may be applied to a scenario in which an antenna quantity increases.

Abstract translation: 本发明公开了一种信道状态信息反馈方法及装置。 用户设备确定PMI和CQI以及反馈表达方式包括第一或第二反馈表达方式的PMI和CQI的反馈表达方式，并将PMI和CQI发送到确定的网络设备 PMI和CQI的反馈表达方式，其中第一反馈表达方式包括：使用T CQI值来表示M个码字的CQI，并且使用一个PMI值来指示一个PMI，其中T小于M，并且存在 可以表示至少两个码字的CQI的至少一个CQI值; 并且第二反馈表达方式包括：使用M个CQI值来表示M个码字的CQI。 本发明可以应用于天线数量增加的情况。

公开(公告)号：US09258044B2

公开(公告)日：2016-02-09

申请号：US14844714

申请日：2015-09-03

Applicant: Huawei Technologies Co., Ltd.

Inventor： Leiming Zhang ,  Qiang Wu ,  Jianghua Liu ,  Jianguo Wang

IPC: H04B7/02 ,  H04B7/04 ,  H04B7/06 ,  H04L1/00

CPC classification number: H04B7/0456 ,  H04B7/0469 ,  H04B7/0639 ,  H04B7/0691 ,  H04L1/0026

Abstract: The present disclosure provides a method for feeding back a precoding matrix indicator, a receive end and a transmit end, where the method includes: selecting, by a receive end, a precoding matrix W from a codebook based on a reference signal, where W ∈ [ X 1 ⁡ ( θ 1 ) X 2 ⁡ ( θ 2 , φ n ) ] , the θ1 and the θ2 indicate a phase difference of weighted values for signal transmission between two neighboring antennas in a first antenna group of a transmit end and a phase difference of weighted values for signal transmission between two neighboring antennas in a second antenna group of the transmit end, the φn indicates a phase difference of weighted values for signal transmission between the first antenna group and the second antenna group, where the signal transmission between the first antenna group and the second antenna group is for a same transmission layer, φ n = ⅇ j ⁢ ⁢ 2 ⁢ π ⁢ ⁢ n M , and sending, by the receive end, a precoding matrix indicator PMI to the transmit end.

Abstract translation: 本公开提供了一种用于反馈预编码矩阵指示符，接收端和发送端的方法，其中该方法包括：基于参考信号从码本中选择预编码矩阵W，其中W∈ [X 1⁡（＆thetas; 1）X 2⁡（＆thetas; 2，＆phgr; n）]，第一个天线中的两个相邻天线之间的信号传输的加权值的相位差 发送端的第二天线组中的两个相邻天线之间的信号传输的加权值的发送端组和相位差表示第一天线组和第二天线组之间的信号传输的加权值的相位差 第二天线组，其中第一天线组和第二天线组之间的信号传输用于相同的传输层， n =ⅇj⁢2＆pgr; ，并且由接收端向发送端发送预编码矩阵指示符PMI。