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公开(公告)号：US11128510B2
公开(公告)日：2021-09-21
申请号：US16165109
申请日：2018-10-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Haibao Ren , Yuanjie Li
Abstract: This application relates to a data transmission method. The method includes: receiving, in a subframe, first data and first demodulation reference signal(s) that are sent by a first network side device by using n antenna port(s), and second data and second demodulation reference signal(s) that are sent by a second network side device by using m antenna port(s), where time-frequency resources occupied by the first demodulation reference signal(s) are different from time-frequency resources occupied by the second demodulation reference signal(s), and a time-frequency resource occupied by the first data and that occupied by the second data at least partly overlap; and performing demodulation processing on the data based on the first demodulation reference signal(s) and the second demodulation reference signal(s). The data transmission method may be applied to coordinated multipoint transmission/reception in which a plurality of network side devices that are not quasi-co-located simultaneously send data to user equipment.
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公开(公告)号：US11128349B2
公开(公告)日：2021-09-21
申请号：US16288823
申请日：2019-02-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Ting Wang , Shengyue Dou , Yuanjie Li
Abstract: This application discloses a communication method, a communications apparatus, a network device, and a terminal. Quasi co-location QCL beam information is determined. The QCL beam information includes beam information that has a QCL relationship with a reference signal antenna port. The QCL beam information is sent. A terminal receives the QCL beam information. The QCL beam information includes the beam information that has the QCL relationship with the reference signal antenna port. The terminal determines, based on the beam information that is included in the QCL beam information and that has the QCL relationship with the reference signal antenna port, a beam that has the QCL relationship with the reference signal antenna port.
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13.发明授权公开(公告)号：US11102744B2
公开(公告)日：2021-08-24
申请号：US16843781
申请日：2020-04-08
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Jian Zhang , Yuanjie Li , Ting Wang , Qinghai Zeng , Haibao Ren
Abstract: Embodiments of the present disclosure provide a downlink synchronization method, an apparatus, and a system, and relate to the communications field, so as to reduce downlink synchronization complexity and improve downlink synchronization efficiency. According to the downlink synchronization method, abase station sends downlink synchronization reference information to UE by using dedicated signaling or a system message, where the downlink synchronization reference information is used to instruct the UE to perform downlink synchronization in a second cell by referring to a downlink synchronization channel of a first cell; and the base station sends, in the second cell according to location information of the UE, a beam including a downlink synchronization channel to the UE, where the first cell and the second cell include an overlapped coverage area. The embodiments of the present disclosure are applied to synchronization channel sending.
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公开(公告)号：US11064498B2
公开(公告)日：2021-07-13
申请号：US16521811
申请日：2019-07-25
Applicant: Huawei Technologies Co., Ltd.
Inventor： Ming Wu , Chi Zhang , Yueying Zhao , Yuanjie Li
Abstract: A resource allocation method and an apparatus in a communications system are provided. A terminal receives resource allocation indication information, where the resource allocation indication information is used to determine a subband corresponding to an allocated resource. The terminal receives second configuration information, where the second configuration information indicates one of a plurality of configurations of the first frequency domain resource unit size corresponding to the subband. And the terminal determines a size of a first frequency domain resource unit corresponding to the subband based on first configuration information and the second configuration information, where the first configuration information includes a correspondence between the subband and a plurality of configurations of the first frequency domain resource unit size.
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公开(公告)号：US11025316B2
公开(公告)日：2021-06-01
申请号：US16368645
申请日：2019-03-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Shengyue Dou , Yuanjie Li , Haibao Ren
IPC: H04B7/0456 , H04B7/024 , H04B7/04 , H04L25/03
Abstract: Embodiments of this application disclose a method used for data transmission. This method is applicable to coordinated transmission/reception in NR, and is relatively flexible. This method includes: determining, by a network device, a plurality of groups of antenna ports, where each group of antenna ports includes at least two antenna ports, and any two antenna ports in a same group of antenna ports meet quasi-co-location QCL; and sending, by the network device, at least one piece of first indication information to a terminal device, where the first indication information is used to determine QCL configuration information corresponding to a target antenna port used for sending first data, the QCL configuration information is used to indicate an antenna port that is QCLed with the corresponding target antenna port.
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Patent Agency Ranking
公开(公告)号：US11005592B2
公开(公告)日：2021-05-11
申请号：US16503246
申请日：2019-07-03
Applicant: Huawei Technologies Co., Ltd.
Inventor： Ting Wang , Jinyao Liang , Shengyue Dou , Yuanjie Li
Abstract: A method includes: generating, by a first network device, parameter information of a resource in which a channel state information CSI reference signal is located, where the parameter information is used by the second network device to determine one or more of the following information of the resource in which the CSI reference signal is located: subcarrier spacing information, cyclic prefix length information, frame structure time length information, and symbol quantity information; and sending, by the first network device, the parameter information to the second network device.
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公开(公告)号：US10952200B2
公开(公告)日：2021-03-16
申请号：US16368652
申请日：2019-03-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Haibao Ren , Yi Huang , Yuanjie Li , Zheng Wang
Abstract: The present application relates to an indication method for transmitting a physical control channel. The method includes: determining, by a radio node, one of space frequency block coding SFBC transmission and single frequency transmission, as a receiving mode used by user equipment to receive a downlink physical control channel; and sending, by the radio node, an indication message to the user equipment, where the indication message is used to instruct the user equipment to receive, in the receiving mode, the downlink physical control channel sent by the radio node. The user equipment receives the downlink physical control channel according to the receiving mode, thereby improving system performance.
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公开(公告)号：US10924174B2
公开(公告)日：2021-02-16
申请号：US16401427
申请日：2019-05-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yi Huang , Haibao Ren , Shengyue Dou , Yuanjie Li
IPC: H04W88/02 , H04B7/06 , H04B7/0456 , H04L5/00
Abstract: A precoding matrix indication method relating to the field of wireless communications technologies, an apparatus, and a system that are in a wireless communications system are provided. A combination of a plurality of stages of codebooks and a corresponding PMI feedback method are further provided. User equipment receives indication information sent by a network device, where the indication information includes information about codebooks used to report precoding matrix indicators (PMI), the information about the codebooks indicates that the used codebooks are at least two of a first codebook to an Nth codebook, the PMIs include at least two of a first PMI to an Nth PMI, and the first PMI to the Nth PMI are respectively used to indicate a precoding matrix in the first codebook to a precoding matrix in the Nth codebook; and sends the PMIs based on the indication information.
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公开(公告)号：US10863444B2
公开(公告)日：2020-12-08
申请号：US16505225
申请日：2019-07-08
Applicant: Huawei Technologies Co., Ltd.
Inventor： Ting Wang , Shengyue Dou , Yuanjie Li
Abstract: A power configuration method and a related device are provided. The method includes: receiving a first power configuration parameter and a second power configuration parameter from a network device; and when receiving a reference signal and data of a first antenna port group and a reference signal and data of a second antenna port group, determining, based on the first power configuration parameter and the reference signal of the first antenna port group, a power of the data that is from the first antenna port group, and determining, based on the second power configuration parameter and the reference signal of the second antenna port group, a power of the data that is from the second antenna port group, so that data sent by a corresponding antenna port group can be separately demodulated based on an obtained power, thereby improving accuracy for demodulating data of a plurality of antenna port groups.
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公开(公告)号：US10778287B2
公开(公告)日：2020-09-15
申请号：US16149518
申请日：2018-10-02
Applicant: Huawei Technologies Co., Ltd.
Inventor： Na Deng , Haibao Ren , Yuanjie Li , Ting Wang
IPC: H04B7/024 , H04B7/0413 , H04W72/04 , H04W28/16 , H04W16/28
Abstract: A data transmission method and apparatus are provided. The method includes: receiving control information from a network side device, wherein the control information comprises transmission parameter indication information, wherein the transmission parameter indication information is used to indicate a quantity of transport layers for at least two codewords and port numbers of ports for the at least two codewords; and determining, based on the transmission parameter indication information, a quantity of transport layers for at least two codewords and port numbers of ports for the at least two codewords, wherein ports used by different codewords of the at least two codewords are non-quasi-co-location, and ports used by one codeword of the at least two codewords are quasi-co-location when the codeword has more than one port.
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