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1.发明授权公开(公告)号：US11973578B2
公开(公告)日：2024-04-30
申请号：US17199050
申请日：2021-03-11
发明人： Yong Liu , Mingxin Gong , Bingyu Qu , Yongxing Zhou , Xiaoyan Bi , Lu Rong , Su Huang
IPC分类号： H04J13/18 , H04L5/00 , H04L27/26 , H04L41/0806 , H04W72/51
CPC分类号： H04J13/18 , H04L5/0048 , H04L27/262 , H04L41/0806 , H04W72/51
摘要： This disclosure discloses signal configuration methods and apparatuses. In an implementation, a method comprises: generating at least two reference signals of a same type corresponding to at least two antenna ports indicated to a terminal device, wherein the at least two reference signals comprise a first reference signal and a second reference signal, wherein a first sequence of the first reference signal is obtained based on a first initialization factor determined based on an index of a first code division multiplexing (CDM) group, and wherein a second sequence of the second reference signal different from the first sequence is obtained based on a second initialization factor determined based on an index of a second CDM group; and transmitting the at least two reference signals.
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公开(公告)号：US11962449B2
公开(公告)日：2024-04-16
申请号：US17686094
申请日：2022-03-03
发明人： Lixia Xue , Xu Zhang , Yongxing Zhou
CPC分类号： H04L27/2613 , H04L5/00 , H04L5/0048 , H04L5/0051 , H04L27/2666 , H04W72/04 , H04W72/23 , H04W76/27 , H04W88/02 , H04B7/0452 , H04L5/0007
摘要： This application relates to the mobile communications field, and in particular, to a technology for obtaining a reference signal in a wireless communications system. In one example method for obtaining a reference signal, a terminal device obtains position offset information. The terminal device obtains a first sequence based on the position offset information. The terminal device demodulates, by using the first sequence, a control channel signal carried in a control channel resource set to obtain downlink control information.
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公开(公告)号：US11831379B2
公开(公告)日：2023-11-28
申请号：US17873580
申请日：2022-07-26
发明人： Jianguo Wang , Yongxing Zhou , Leiming Zhang
IPC分类号： H04B7/06 , H04N19/124 , G06F17/16 , H04B7/0413
CPC分类号： H04B7/0626 , H04B7/0634 , H04B7/0639 , G06F17/16 , H04B7/0413 , H04N19/124
摘要： The present disclosure relates to methods for feeding back channel state information, user equipment, and base stations. One example method includes receiving a reference signal sent by a base station, selecting a precoding matrix W from a codebook according to the reference signal, where a column vector of the precoding matrix W may be expressed as α[vejϕv]T, v=[1 ejθ], and sending a precoding matrix indicator (PMI) to the base station, where the PMI corresponds to the precoding matrix W.
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公开(公告)号：US20230328699A1
公开(公告)日：2023-10-12
申请号：US18164466
申请日：2023-02-03
IPC分类号： H04W72/0446 , H04W28/20 , H04L5/00 , H04B7/06 , H04L41/0803 , H04W24/06 , H04W74/00
CPC分类号： H04W72/0446 , H04W28/20 , H04L5/0092 , H04L5/0044 , H04L5/0094 , H04L5/0058 , H04L5/0053 , H04B7/0626 , H04L41/0803 , H04W24/06 , H04W74/006 , H04L5/0078 , H04B17/309
摘要： Embodiments of the present invention provide a bandwidth allocation method and apparatus, user equipment, and a base station. The method includes: receiving, by user equipment, virtual bandwidth configuration information, where the virtual bandwidth configuration information is used for indicating a configuration of a virtual bandwidth; and performing, by the user equipment, signal reception and/or signal processing according to the virtual bandwidth indicated by the virtual bandwidth configuration information, where each virtual bandwidth is a part or all of a downlink maximum available bandwidth or a downlink transmission bandwidth, and the downlink maximum available bandwidth is a maximum bandwidth available for downlink transmission. In the embodiments of the present invention, reduction of overheads and reduction of complexity of signal reception and signal processing are implemented, and overheads and complexity of signal reception and processing feedback can be flexibly controlled.
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公开(公告)号：US20230217419A1
公开(公告)日：2023-07-06
申请号：US17912743
申请日：2021-03-19
发明人： Yun Liu , Haibo Xu , Zhou Wang , Yongxing Zhou
摘要： A resource determining method includes obtaining, by a terminal device, resource information, determining, by the terminal device, a first resource jointly reserved by N services, where N is greater than or equal to 2, and determining whether to use the first resource as a candidate resource based on signal strength thresholds of the N services and signal strength of the N services.
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公开(公告)号：US11546944B2
公开(公告)日：2023-01-03
申请号：US16992399
申请日：2020-08-13
发明人： Jianqin Liu , Xiang Gao , Yongxing Zhou
摘要： A random access resource configuration method and a communications device. The method includes receiving, by a terminal device, index indication information, where the index indication information is used to indicate a first configuration index, determining, by the terminal device based on the first configuration index, first configuration information corresponding to the first configuration index, where the first configuration information is used to indicate a time domain resource for a first group of random access preamble occasions (ROs) or a time domain resource for a second group of ROs, and where the time domain resource for the first group of ROs and the time domain resource for the second group of ROs are located in a first time unit in a random access configuration period.
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公开(公告)号：US11265045B2
公开(公告)日：2022-03-01
申请号：US16811002
申请日：2020-03-06
发明人： Ruiqi Zhang , Yongxing Zhou
IPC分类号： H04B7/0417 , H04B7/0456 , H04B7/06
摘要： A method in the embodiments of this application includes: generating, by a terminal device, first information, where the first information includes parameters q, m1, m2, . . . , mL, and indication information of a vector V; q is an integer, and q 1; 0≤ml≤N−1, and 1≤l≤L; L>1, N, L, and l are integers, and N is a quantity of subbands in a frequency domain bandwidth; and the vector V includes L elements and satisfies V=Fq×C, where C is a vector formed by N elements c1, . . . , cN, C=[c1 c2 . . . cN]T, ck is used to indicate channel state information on a kth frequency domain subband, ck is a complex number, a modulus of ck is |ck|≤1, and 1≤k≤N; and sending, by the terminal device, the first information to a network device.
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公开(公告)号：US11184062B2
公开(公告)日：2021-11-23
申请号：US16937561
申请日：2020-07-23
发明人： Jianguo Wang , Yongxing Zhou , Jianghua Liu
IPC分类号： H04B7/02 , H04B7/06 , H04B7/08 , H04L7/00 , H04B7/0456 , H04B7/0417
摘要： Embodiments of the present invention provide a method includes: receiving a reference signal sent by a base station; selecting, based on the reference signal, a precoding matrix from a codebook, where a precoding matrix W included in the codebook is a product of three matrices being W1, Z, and W2, that is, W=W1ZW2, where both W1 and Z are block diagonal matrices, W1=a formula (I), Z=a formula (II), each of W1 and Z includes at least one block matrix, that is, NB≥1, and each column of each block matrix Zi in the matrix Z has the following structure formula (III); and sending a precoding matrix indicator PMI to the base station, where the PMI corresponds to the selected precoding matrix, and is used by the base station to obtain the selected precoding matrix W according to the PMI.
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公开(公告)号：US20210022186A1
公开(公告)日：2021-01-21
申请号：US17039581
申请日：2020-09-30
发明人： Jianqin Liu , Xiang Gao , Yongxing Zhou
摘要： This application discloses a communications method, and the method includes: receiving, by a terminal device, first information, where the first information is used to indicate one or more first time units in a random access system frame; and determining, by the terminal device, the one or more first time units based on the first information and a configuration table, where one or more time units in the configuration table are determined based on an uplink-downlink configuration period and a second time unit, the one or more first time units are an optional time domain resource of a random access sequence, and the second time unit is an optional time domain resource of a synchronization channel block. According to the method and the apparatus in this application, the optional time domain resource of the random access sequence can be determined.
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公开(公告)号：US10791504B2
公开(公告)日：2020-09-29
申请号：US15716763
申请日：2017-09-27
发明人： Kunpeng Liu , Yongxing Zhou , Leiming Zhang
摘要： A wireless access method and apparatus, the method including sending N first signal sets on N first resources, where N is an integer greater than 1, receiving Z response signals from a terminal for the N first signal sets, where each response signal of the response signals comprises indication information of a resource on which the respective first signal set of the N first signal sets is located, Z is an integer greater than or equal to 1, and Z is less than or equal to N, and sending M second signal sets on M second resources according to the Z response signals, where M is an integer greater than or equal to 1, and each second signal set of the M second signal sets corresponds to at least one of the N first signal sets.
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