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31.发明申请公开(公告)号：US20180294862A1
公开(公告)日：2018-10-11
申请号：US16006224
申请日：2018-06-12
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jianqin Liu
IPC: H04B7/06 , H04B7/0413 , H04B7/0417 , H04B7/04
Abstract: Embodiments of the present invention provide a method for determining a precoding matrix indicator, a receiving device, and a sending device. The method for determining a precoding matrix indicator includes: selecting, by a receive end, a precoding matrix W from a codebook based on a reference signal sent by a transmit end, where the precoding matrix W is a product of two matrices W1 and W2, where the W1 includes NB block matrices Xi, NB≥1, and the W1 is indicated as: W1=diag{X1, . . . , XNB}, where 1≤i≤NB, and a column xi,j of each block matrix Xi is a Kronecker kronecker product of a first vector Aij and a second vector Bij, that is, xij=Aij⊗Bij; and sending, by the receive end, a precoding matrix indicator PMI corresponding to the precoding matrix W to the transmit end, so that the transmit end obtains the precoding matrix W according to the PMI.
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32.发明授权公开(公告)号：US10084580B2
公开(公告)日：2018-09-25
申请号：US15491290
申请日：2017-04-19
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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公开(公告)号：US20180270802A1
公开(公告)日：2018-09-20
申请号：US15988220
申请日：2018-05-24
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
Inventor： Jianqin Liu , Jianghua Liu , Qiang Wu , Chi Gao
CPC classification number: H04W72/042 , H04L5/0053 , H04W72/04
Abstract: The present application provides a method and an apparatus for allocating control channel candidates, which relate to the communications field, and can allocate control channel candidates at different aggregation levels to K ePDCCH sets and reduce complexity of blind detection performed by a UE. The method includes: determining K sets for transmitting a control channel, where each set in the K sets includes at least one physical resource block pair; and allocating control channel candidates at each aggregation level to at least one set in the K sets according to at least one of aggregation levels supported by the control channel to be transmitted, the number of control channel candidates corresponding to each aggregation level, the K sets for transmitting the control channel, and types of the sets.
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公开(公告)号：US20170353227A1
公开(公告)日：2017-12-07
申请号：US15686692
申请日：2017-08-25
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianqin Liu , Yongxing Zhou , Jianghua Liu , Qiang Wu
CPC classification number: H04B7/0691 , H04B7/06 , H04B7/0617 , H04B7/0695 , H04L5/003 , H04L5/0044 , H04L5/0048 , H04L27/2605 , H04L27/2613 , H04W16/28 , H04W36/00
Abstract: A data transmission method, apparatus, and system, and user equipment are provided. The data transmission method may include determining configuration information of a first time unit in a radio time window, where the first time unit includes multiple sub-time units, a switching time period and a transmission time period are reserved in a first sub-time unit at an interval of at least N sub-time units in the first time unit, the switching time period is used to perform analog beam switching for a common channel and/or a common reference signal, and N is a natural number. The method also includes transmitting the common channel and/or the common reference signal in the first sub-time unit in the first time unit according to the configuration information of the first time unit, where the common channel and/or the common reference signal are/is transmitted in the transmission time period.
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公开(公告)号：US20170201950A1
公开(公告)日：2017-07-13
申请号：US15471817
申请日：2017-03-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianqin Liu
IPC: H04W52/14 , H04L5/00 , H04B7/0456 , H04W52/08
Abstract: Embodiments provide an uplink power control method and an apparatus. The uplink power control method in the present invention includes: receiving a measurement pilot configured by a network device, where the measurement pilot is corresponding to information about a precoding matrix; and receiving a power control parameter configured by the network device, where the power control parameter is corresponding to the configured measurement pilot, and the power control parameter is used by user equipment UE to control transmit power of the UE in a serving cell.
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Patent Agency Ranking
36.发明授权公开(公告)号：US09668254B2
公开(公告)日：2017-05-30
申请号：US14693510
申请日：2015-04-22
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jianqin Liu , Yongxing Zhou , Qiang Wu
CPC classification number: H04W72/042 , H04J11/0069 , H04J13/10 , H04L1/0045 , H04L1/0046 , H04L1/0072 , H04L5/0051 , H04L5/0053 , H04L25/03866 , H04W88/02 , H04W88/08
Abstract: A method and a device for scrambling sequence configuration, a user equipment and a base station are provided. The method includes: obtaining a search space and/or a transmission mode corresponding to an enhanced control channel; performing a scrambling initialization operation according to the search space and/or the transmission mode, and determining an initialization value of a scrambling sequence; determining the scrambling sequence according to the initialization value of the scrambling sequence; and scrambling a transmission signal transmitted by the enhanced control channel according to the scrambling sequence and then transmitting, so that a user equipment which receives the transmission signal performs a descrambling operation according to the scrambling sequence in the transmission signal. Randomization of interferences between different cells or terminals can be guaranteed as far as possible.
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公开(公告)号：US20150327271A1
公开(公告)日：2015-11-12
申请号：US14802585
申请日：2015-07-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Qiang Wu , Jianqin Liu , Jianghua Liu
CPC classification number: H04W72/0453 , H04L5/001 , H04L5/0048 , H04L5/0053 , H04L43/50 , H04W24/02 , H04W72/02 , H04W72/12 , H04W88/08
Abstract: The present invention discloses an enhanced physical downlink control channel (EPDCCH) candidate determining method and device, and relates to the field of wireless communications, so as to avoid EPDCCH blocking and improve reliability of control information transmission. The method of the present invention includes: determining an EPDCCH resource set p in a subframe k, where the EPDCCH resource set p includes NECCE,p,k=q×r enhanced control channel elements (ECCEs), an EPDCCH candidate of an EPDCCH with an aggregation level being L corresponds to L ECCEs having consecutive reference numerals, and an EPDCCH candidate is capable of carrying an EPDCCH; and determining the number of EPDCCH candidates at the aggregation level L of a carrier corresponding to an index Cellindex and an ECCE corresponding to each EPDCCH candidate, where the ECCE corresponding to each EPDCCH candidate at the aggregation level L is related to the index Cellindex.
Abstract translation: 本发明公开了一种增强型物理下行链路控制信道（EPDCCH）候选确定方法和装置，涉及无线通信领域，以避免EPDCCH的阻塞，提高控制信息传输的可靠性。 本发明的方法包括：在子帧k中确定EPDCCH资源集p，其中EPDCCH资源集p包括NECCE，p，k = q×r增强控制信道单元（ECCE），EPDCCH的EPDCCH候选，具有 聚合级别L对应于具有连续参考标号的L ECCE，并且EPDCCH候选能够携带EPDCCH; 以及确定与对应于每个EPDCCH候选的索引Cellindex和ECCE对应的载波的聚合级L的EPDCCH候选的数量，其中与聚合级L上的每个EPDCCH候选相对应的ECCE与索引Cellindex相关。
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公开(公告)号：US20240365254A1
公开(公告)日：2024-10-31
申请号：US18649397
申请日：2024-04-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Bingyu Qu , Jianqin Liu
CPC classification number: H04W56/0005 , H04J11/00 , H04L5/005 , H04L27/26 , H04L27/2613 , H04L27/2655 , H04W56/00
Abstract: This application discloses a synchronization signal sending method and a related device. The method includes: generating, a first synchronization signal sequence and a second synchronization signal sequence, where the first synchronization signal sequence is a sequence obtained based on a first m-sequence, the second synchronization signal sequence is a sequence obtained based on a Gold sequence, the Gold sequence is generated based on a second m-sequence and a third m-sequence, and a generator polynomial of the first m-sequence is the same as a generator polynomial of the second m-sequence; mapping, the first synchronization signal sequence onto M subcarriers in a first time unit to obtain a first synchronization signal, and mapping the second synchronization signal sequence onto M subcarriers in a second time unit to obtain a second synchronization signal, where M and N are positive integers greater than 1.
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39.发明授权公开(公告)号：US12007249B2
公开(公告)日：2024-06-11
申请号：US17889816
申请日：2022-08-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jiqiu Liu , Jianqin Liu , Mingchao Li
CPC classification number: G01C21/3885 , G01C21/3833 , H04W4/025 , H04W4/44
Abstract: A data processing method includes initiating, to a cloud server, a first message used to access a roadside device or used to obtain signal transmit power-related information of static roadside equipment, receiving a second message fed back by the cloud server, where the second message is determined by the cloud server based on the first message and a prestored high-definition map, and the second message includes related information about accessing the roadside device by the vehicle-end device, or the signal transmit power-related information of the static roadside equipment, and accessing the roadside device based on the second message or determining a signal transmit power of the vehicle-end device based on the second message.
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公开(公告)号：US20240169826A1
公开(公告)日：2024-05-23
申请号：US18425360
申请日：2024-01-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Wenkai Fei , Jianqin Liu , Yong Wu
IPC: G08G1/01
CPC classification number: G08G1/0116 , G08G1/0141
Abstract: A method includes obtaining a roadside sensing result that indicates a first group of location points that are of a traffic participant sensed by a first roadside device in a preset time period, and a multi-source fusion sensing result that indicates a second group of location points obtained by fusing a plurality of groups of location points that are of the traffic participant and that are obtained by a plurality of sensing devices in the preset time period; matching the roadside sensing result with the multi-source fusion sensing result; and generating first sensing capability information of the first roadside device based on the matching result.
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