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公开(公告)号：US11147076B2
公开(公告)日：2021-10-12
申请号：US16504260
申请日：2019-07-06
发明人： Xiaoyong Tang , Xiaona Wang
摘要： This application discloses an information sending method. The method includes: generating, by a network device, control information, where the control information includes first indication information, second indication information, and third indication information, the first indication information is used to indicate a plurality of channel state information-reference signal CSI-RS resources, the second indication information is used to indicate at least one piece of the following information: beam index information of the plurality of CSI-RS resources that is sent by the network device, beam index information of the plurality of CSI-RS resources that is received by a terminal device, or beam pair information corresponding to the network device and the terminal, and the third indication information is used to indicate a measurement method of the plurality of CSI-RS resources; and sending, by the network device, the control information to the terminal device.
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公开(公告)号：US11051182B2
公开(公告)日：2021-06-29
申请号：US16522945
申请日：2019-07-26
发明人： Xiaoyong Tang , Xiaona Wang , Huang Huang
摘要： Example information configuration methods, apparatus, and systems are described. One example method includes generating first configuration information by a network device. The first configuration information includes at least one of the following information: receive beam indication information of a terminal device, reference signal sending and channel state information feedback period indication information, reference signal function indication information, or beam sweeping method indication information. The network device sends the first configuration information to the terminal device by using layer one or layer two signaling. The embodiments of the present invention provide a measurement information configuration solution when a narrow beam technology is used in a high-frequency band.
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公开(公告)号：US11855928B2
公开(公告)日：2023-12-26
申请号：US17390484
申请日：2021-07-30
发明人： Xiaona Wang , Peng Guan
IPC分类号： H04L5/00
CPC分类号： H04L5/0092 , H04L5/006 , H04L5/0051
摘要： Embodiments of the application disclose a reference signal management method, an apparatus, and a system, to resolve a problem of relatively large system overheads in an existing high frequency beam management process. A terminal device receives first information sent by a network device. The first information is used to indicate a first reference signal group that is on a first carrier, there is a correspondence between the first reference signal group that is on the first carrier and a first reference signal that is on a second carrier, and the first reference signal group that is on the first carrier includes at least two reference signals. The terminal device receives the first reference signal group that is on the first carrier and that is sent by the network device.
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公开(公告)号：US10432281B2
公开(公告)日：2019-10-01
申请号：US15991672
申请日：2018-05-29
发明人： Jing Qiu , Kin Nang Lau , Xiaona Wang
摘要： A communication beam determining method and a corresponding apparatus are disclosed. The method includes respectively sending, by a network side device, downlink sounding signals by using M beams with a first width, where main lobe directions of any two of the M beams are different; receiving, by the network side device, sounding results returned by user equipment (UE), and determining N beams with a second width based on the sounding results, where the second width is less than the first width, a coverage area of a set of the N beams is smaller than a coverage area of a set of the M beams, and M and N are integers and not less than 2; and respectively sending, by the network side device, downlink scanning signals by using the N beams, and determining, based on scanning results returned by the UE, a first beam for data transmission with the UE.
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公开(公告)号：US11134406B2
公开(公告)日：2021-09-28
申请号：US16671712
申请日：2019-11-01
发明人： Xiaona Wang , Xiaoyong Tang , Peng Guan
摘要： The present invention relates to a measurement reporting method, and a communications apparatus. In the method, measurement reporting parameters reported to a base station satisfies reporting rules including: (a) a reporting setting with a smaller identifier has priority over a reporting setting with a larger identifier; (b) a serving cell with a smaller identifier has priority over a serving cell with a larger identifier; (c) a reporting type involving a beam index indication has priority over a reporting type involving an RI; and (d) aperiodic measurement reporting has priority over semi-persistent measurement reporting, or semi-persistent measurement reporting has priority over periodic measurement reporting. According to the method, performance of a wireless communications system is improved.
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6.发明授权公开(公告)号：US10951332B2
公开(公告)日：2021-03-16
申请号：US16521376
申请日：2019-07-24
发明人： Xiaona Wang , Peng Guan
IPC分类号： H04L1/00 , H04B17/345 , H04B7/06 , H04L5/00 , H04L12/24
摘要： Embodiments of the present invention provide a method used for wireless communication and an apparatus. The method includes: configuring measurement parameters of channel state information for a terminal device, where the measurement parameters include a channel state information-reference signal configuration and a quasi-co-location indication, the channel state information-reference signal configuration includes configurations of at least two groups of antenna ports, and the quasi-co-location indication is used to indicate whether the at least two groups of antenna ports have a quasi-co-location relationship; and sending the measurement parameters to the terminal device.
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公开(公告)号：US20200068422A1
公开(公告)日：2020-02-27
申请号：US16671712
申请日：2019-11-01
发明人： Xiaona Wang , Xiaoyong Tang , Peng Guan
摘要： The present invention relates to a measurement reporting method, and a communications apparatus. In the method, measurement reporting parameters reported to a base station satisfies reporting rules including: (a) a reporting setting with a smaller identifier has priority over a reporting setting with a larger identifier; (b) a serving cell with a smaller identifier has priority over a serving cell with a larger identifier; (c) a reporting type involving a beam index indication has priority over a reporting type involving an RI; and (d) aperiodic measurement reporting has priority over semi-persistent measurement reporting, or semi-persistent measurement reporting has priority over periodic measurement reporting. According to the method, performance of a wireless communications system is improved.
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公开(公告)号：US11870551B2
公开(公告)日：2024-01-09
申请号：US17808939
申请日：2022-06-24
发明人： Xiaona Wang , Jingjing Cheng
IPC分类号： H04J13/00 , H04L1/00 , H04L1/18 , H04L1/1812
CPC分类号： H04J13/0077 , H04L1/0003 , H04L1/0009 , H04L1/0046 , H04L1/0056 , H04L1/1819 , H04J2203/0089
摘要： This application discloses a multi-codeword transmission method and an apparatus. The method includes: generating, by a network device, downlink control information corresponding to each of a plurality of code words to be sent to a terminal device, where the downlink control information corresponding to each code word includes at least one of the following: a physical downlink shared channel resource element mapping and quasi-co-location indicator, and an antenna port(s), scrambling identity and number of layers; and sending, by the network device, downlink control information corresponding to the plurality of code words to the terminal device. Corresponding apparatuses are further disclosed. According to the technical solutions of this application, the network device generates the downlink control information corresponding to each of the plurality of code words to be sent to the terminal device, and the terminal device may demodulate data for the plurality of code words based on downlink control information corresponding to the plurality of code words. This ensures that the terminal device correctly demodulates data in a multi-codeword transmission scenario.
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公开(公告)号：US11496204B2
公开(公告)日：2022-11-08
申请号：US17095017
申请日：2020-11-11
发明人： Peng Guan , Xiaoyong Tang , Xiaona Wang , Xi Zhang
IPC分类号： H04B7/08 , H04B7/06 , H04B7/0413
摘要： Embodiments of this application disclose beam training methods, apparatuses, and systems. One method includes: receiving, from a network device, interference-related information; receiving, from the network device, a downlink signal sent through two or more beams, wherein the two or more beams comprise an interfering beam that causes interference to a terminal device; and transmitting, to the network device, information related to a beam selected from the two or more beams, wherein the beam is selected by the terminal device based on the interference-related information and a measurement result obtained from measuring the downlink signal.
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公开(公告)号：US12101833B2
公开(公告)日：2024-09-24
申请号：US17510202
申请日：2021-10-25
发明人： Xiaona Wang , Peng Guan , Jiehua Xiao
摘要： This application discloses a secondary cell activation method and an apparatus, and relates to the communication field, so that a terminal device can report a channel state information measurement result in a secondary cell activation phase to a network device. The secondary cell activation method includes: A terminal device receives first indication information, where the first indication information is used to indicate an uplink resource for reporting a channel state information measurement result in a secondary cell activation phase; and the terminal device sends the channel state information measurement result to a network device based on the first indication information.
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