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公开(公告)号：US09756625B2
公开(公告)日：2017-09-05
申请号：US14611837
申请日：2015-02-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Kunpeng Liu , Chi Gao , Jianghua Liu , Jianqin Liu
CPC classification number: H04W72/042 , H04L5/0007 , H04L5/0053 , H04W72/04
Abstract: This application provides an enhanced physical downlink control channel transmission method and apparatus. The method includes: in a physical resource block set, separately arranging first resource groups in each physical resource block pair PRB pair, where the first resource groups are resource element groups eREGs or REGs, and the physical resource block set includes at least one of the physical resource block pairs; numbering second resource groups according to a correspondence between the first resource groups and the second resource groups in the physical resource block set, where the second resource groups are control channel element eCCE groups or control channel candidates; determining numbers of the second resource groups for transmitting an E-PDCCH; and mapping, according to the determined numbers, the E-PDCCH to the corresponding first resource groups for transmission. The technical solution of this application resolves an E-PDCCH transmission problem.
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22.发明授权公开(公告)号：US09673947B2
公开(公告)日：2017-06-06
申请号：US14611999
申请日：2015-02-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiang Wu , Chi Gao , Jianqin Liu , Jianghua Liu
CPC classification number: H04L5/0048 , H04L5/001 , H04L5/0053 , H04L5/0064 , H04W72/04 , H04W72/0406
Abstract: The present invention provides methods for transmitting and receiving a control channel, a base station, and a user equipment. The method for transmitting a control channel includes: determining m PRB pairs used for transmitting a control channel to be transmitted; when a distributed transmission mode is used for transmission, determining an aggregation level L of the control channel to be transmitted; determining, according to the aggregation level L, a first control channel candidate at the aggregation level L; and placing, on physical resources to which the first control channel candidate is mapped, control information of the control channel to be transmitted, and transmitting the control information. The present invention improves multiplexing efficiency of control channels of different modes.
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23.发明授权公开(公告)号：US09577724B2
公开(公告)日：2017-02-21
申请号：US15090446
申请日：2016-04-04
Applicant: Huawei Technologies Co., Ltd.
Inventor： Leiming Zhang , Qiang Wu , Jianghua Liu
CPC classification number: H04B7/0417 , H04B1/0475 , H04B7/0452 , H04B7/0456 , H04B7/0478 , H04B7/0486 , H04B7/0639 , H04L25/03006
Abstract: The present invention provides a precoding matrix indicator feedback method, a receive end, and a transmit end. The method includes: selecting, by a receive end based on a reference signal, a precoding matrix W from a codebook, where a coefficient α is used to perform phase adjustment on φn in W, φn represents a phase difference between weighted values of a first antenna group and a second antenna group of a transmit end for a transmission signal from a same transmission layer, φ n ∈ { ⅇ j2π n Q } , and the first antenna group and the second antenna group belong to a same multi-antenna system; and sending, by the receive end, a precoding matrix indicator (PMI) to the transmit end. In this way, using the coefficient α to perform the phase adjustment on φn can increase a size of a codebook set applicable to different antenna configurations, and improve precision of the receive end to feed back a PMI.
Abstract translation: 本发明提供预编码矩阵指示符反馈方法，接收端和发送端。 该方法包括：基于参考信号的接收端选择来自码本的预编码矩阵W，其中使用系数±来对W中的n进行相位调整，Õn表示加权的 对于来自同一传输层的传输信号的发射端的第一天线组和第二天线组的值，n是非负整数，Q是 正整数，第一天线组和第二天线组属于相同的多天线系统; 并且由接收端将发送端的预编码矩阵指示符PMI发送到发送端，使得发送端根据PMI确定W。 以这种方式，使用系数±来执行相位调整可以增加适用于不同天线配置的码本集的大小，并且提高接收端的反馈PMI的精度。
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公开(公告)号：US20170026953A1
公开(公告)日：2017-01-26
申请号：US15282651
申请日：2016-09-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianguo Wang , Yongxing Zhou , Jianghua Liu
CPC classification number: H04W72/0413 , H04L1/0026 , H04L1/0028 , H04L5/0053 , H04L5/0057 , H04W72/048
Abstract: Embodiments of the present invention disclose a CSI reporting method and a device, and the method may include: receiving subband size configuration information sent by a base station, where the subband size configuration information includes a user equipment-specific subband size configuration index; determining a subband size according to the user equipment-specific subband size configuration index; determining CSI, where the CSI reflects transmission on at least one subband, and the subband is determined according to the subband size; and sending the CSI to the base station. According to the embodiments of the present invention, performance of a communications system can be improved.
Abstract translation: 本发明的实施例公开了一种CSI报告方法和装置，并且所述方法可以包括：接收由基站发送的子带大小配置信息，其中所述子带大小配置信息包括用户设备特定子带尺寸配置索引; 根据用户设备特定的子带大小配置索引确定子带大小; 确定CSI，其中CSI反映在至少一个子带上的传输，并且该子带根据子带大小来确定; 并将CSI发送到基站。 根据本发明的实施例，可以提高通信系统的性能。
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25.发明申请METHOD FOR FEEDING BACK CHANNEL QUALITY INDICATOR, AND METHOD AND APPARATUS FOR SENDING RESOURCE SCHEDULING INFORMATION 审中-公开送信道质量指标的方法，以及发送资源调度信息的方法和装置公开(公告)号：US20160381697A1
公开(公告)日：2016-12-29
申请号：US15263165
申请日：2016-09-12
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiang Wu , Weijun Sun , Leiming Zhang , Jianghua Liu
CPC classification number: H04W72/1231 , H04B7/0626 , H04B7/0632 , H04L1/0026 , H04L1/0029
Abstract: Embodiments of the present invention provide a method for feeding back a channel quality indicator, and a method and an apparatus for sending resource scheduling information. An apparatus for feeding back a channel quality indicator includes: a determining module, configured to determine a feedback granularity of a CQI according to a system bandwidth, a CQI feedback mode, and antenna port quantity information specified by a network device; and a feedback module, configured to feed back the CQI to the network device according to the feedback granularity of the CQI. The method for feeding back a channel quality indicator, and the method and the apparatus for sending resource scheduling information provided in the embodiments of the present invention are used to reduce system overheads.
Abstract translation: 本发明的实施例提供了一种用于反馈信道质量指示符的方法，以及用于发送资源调度信息的方法和装置。 用于反馈信道质量指示符的装置包括：确定模块，被配置为根据系统带宽，CQI反馈模式和由网络设备指定的天线端口数量信息来确定CQI的反馈粒度; 以及反馈模块，被配置为根据CQI的反馈粒度将CQI反馈到网络设备。 用于反馈信道质量指示符的方法，以及用于发送本发明的实施例中提供的资源调度信息的方法和装置用于减少系统开销。
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Patent Agency Ranking
公开(公告)号：US09526117B2
公开(公告)日：2016-12-20
申请号：US14466037
申请日：2014-08-22
Applicant: Huawei Technologies Co., Ltd.
Inventor： Kunpeng Liu , Jianghua Liu
CPC classification number: H04W74/0833 , H04W72/0406 , H04W72/14 , H04W74/0866
Abstract: Embodiments of the present invention provide a method and a device for processing random access. The method includes: detecting a random access preamble sequence which is sent by a user equipment (UE) according to configuration information; determining a control channel corresponding to the detected random access preamble sequence, and scheduling random access response information corresponding to the random access preamble sequence by using the control channel.
Abstract translation: 本发明的实施例提供了一种用于处理随机存取的方法和装置。 该方法包括：根据配置信息检测用户设备（UE）发送的随机接入前导序列; 确定与检测到的随机接入前导序列相对应的控制信道，并且通过使用控制信道调度与随机接入前同步码序列相对应的随机接入响应信息。
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公开(公告)号：US09490949B2
公开(公告)日：2016-11-08
申请号：US14319366
申请日：2014-06-30
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Chi Gao , Mingyu Zhou , Liang Xia , Qiang Wu , Jianghua Liu
CPC classification number: H04L5/0048 , H04L5/0051 , H04W72/042
Abstract: Various embodiments of the present invention provide a pilot resource allocation method, where the method includes: determining, according to an aggregation level and multiplexing information of an enhanced control channel element E-CCE in a resource block pair, the number of resource elements REs that are allocated to and occupied by a demodulation pilot signal DMRS in the resource block pair. Various embodiments of the present invention further provide a corresponding user equipment. By implementing the method and device, the efficiency of time-frequency resource utilization can be improved.
Abstract translation: 本发明的各种实施例提供一种导频资源分配方法，其中该方法包括：根据资源块对中的增强控制信道单元E-CCE的聚合级别和复用信息，确定资源块对的数量RE 被分配给资源块对中的解调导频信号DMRS占用。 本发明的各种实施例还提供相应的用户设备。 通过实施该方法和装置，可以提高时频资源利用效率。
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公开(公告)号：US20160315683A1
公开(公告)日：2016-10-27
申请号：US15198939
申请日：2016-06-30
Applicant: Huawei Technologies Co., Ltd.
Inventor： Kunpeng Liu , Jianghua Liu
CPC classification number: H04B7/0632 , H01Q1/246 , H01Q9/285 , H01Q21/26 , H04B7/0456 , H04B7/0469 , H04B7/0602 , H04B7/0617 , H04B7/0626 , H04B7/0691 , H04L5/0023 , H04L5/0048 , H04L5/0094 , H04W72/046
Abstract: Embodiments of the present disclosure provide a method for acquiring channel information, an apparatus, and a system, relate to the communications field, and can reduce overhead of pilot signals in a process of acquiring channel state information. In various embodiments, a base station selects first preset antennas from an antenna array, maps the first preset antennas to pilot signals, and sends the pilot signals and antenna configuration information to a terminal, and the terminal obtains channel state information of second preset antennas by means of calculation according to the pilot signals and the antenna configuration information. The present disclosure can be applied for acquiring channel state information.
Abstract translation: 本公开的实施例提供了一种用于获取与通信领域有关的信道信息，装置和系统的方法，并且可以在获取信道状态信息的过程中减少导频信号的开销。 在各种实施例中，基站从天线阵列中选择第一预设天线，将第一预设天线映射到导频信号，并将导频信号和天线配置信息发送给终端，终端通过以下方式获取第二预设天线的信道状态信息 根据导频信号和天线配置信息计算的装置。 本公开可以应用于获取信道状态信息。
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公开(公告)号：US09386603B2
公开(公告)日：2016-07-05
申请号：US14460899
申请日：2014-08-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Kunpeng Liu , Yuhua Chen , Wei Quan , Jianghua Liu
CPC classification number: H04W74/0833 , H04L5/0044 , H04W40/00 , H04W72/00 , H04W72/08
Abstract: The present invention provides a random access method, a base station, and a user equipment. The method includes: obtaining, by the UE, a PRACH sequence; and sending, by the UE, the PRACH sequence to the base station to perform random access, and carrying first information when sending the PRACH sequence so that the base station receives the first information in a random access process. In the technical solutions of the present invention, the UE sends the first information in the random access process, which improves transmission efficiency of the first information. The present invention is particularly applicable to services of small packets.
Abstract translation: 本发明提供了一种随机接入方法，基站和用户设备。 该方法包括：由UE获取PRACH序列; 以及由所述UE向所述基站发送所述PRACH序列以执行随机接入，以及在发送所述PRACH序列时携带第一信息，以使得所述基站在随机接入过程中接收所述第一信息。 在本发明的技术方案中，UE在随机接入过程中发送第一信息，提高第一信息的传输效率。 本发明特别适用于小包的服务。
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30.发明授权公开(公告)号：US09350435B2
公开(公告)日：2016-05-24
申请号：US14924395
申请日：2015-10-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Leiming Zhang , Qiang Wu , Jianghua Liu
CPC classification number: H04B7/0417 , H04B1/0475 , H04B7/0452 , H04B7/0456 , H04B7/0478 , H04B7/0486 , H04B7/0639 , H04L25/03006
Abstract: The present invention provides a precoding matrix indicator feedback method, a receive end, and a transmit end. The method includes: selecting, by a receive end based on a reference signal, a precoding matrix W from a codebook, where a coefficient α is used to perform phase adjustment on φn in W, φn represents a phase difference between weighted values of a first antenna group and a second antenna group of a transmit end for a transmission signal from a same transmission layer, φ n ∈ { ⅇ j 2 π n Q } , and the first antenna group and the second antenna group belong to a same multi-antenna system; and sending, by the receive end, a precoding matrix indicator (PMI) to the transmit end. In this way, using the coefficient α to perform the phase adjustment on φn can increase a size of a codebook set applicable to different antenna configurations, and improve precision of the receive end to feed back a PMI.
Abstract translation: 本发明提供预编码矩阵指示符反馈方法，接收端和发送端。 该方法包括：基于参考信号的接收端选择来自码本的预编码矩阵W，其中使用系数α对W进行相位调整，n表示加权的相位差 来自同一传输层的发送信号的发送端的第一天线组和第二天线组的值， n∈{ⅇj2＆pgr; 笨n Q}，第一天线组和第二天线组属于相同的多天线系统; 并且由接收端将发送端的预编码矩阵指示符（PMI）发送给发送端。 以这种方式，使用系数α来执行相位调整可以增加适用于不同天线配置的码本集的大小，并且提高接收端的反馈PMI的精度。
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