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公开(公告)号：US11128423B2
公开(公告)日：2021-09-21
申请号：US16477135
申请日：2018-02-02
Inventor： Xin Su , Qiubin Gao , Tamrakar Rakesh , Runhua Chen , Hui Li , Chuanjun Li , Qiuping Huang , Mengjun Wang
IPC: H04B7/0456 , H04B7/06 , H04B7/08 , H04L5/00 , H04L25/02 , H04W8/24 , H04W24/10 , H04W72/04 , H04W88/02 , H04W88/08 , H04W88/12 , H04W92/10
Abstract: Disclosed are a beam forming and transmission method and a network device, for resolving the defects of limited flexibility and performance in prior art methods for improving the quality of channel estimation. The method comprises: a network side determining the configuration information of physical resource block (PRB) bundling parameters, the time domain configuration information of the configuration information of said PRB bundling parameters being configurable; the network side sending the configuration information of the PRB bundling parameters to a terminal so that after having received the configuration information of the PRB bundling parameters, the terminal uses a precoding mode corresponding to the configuration information of the PRB bundling parameters to perform channel estimation and demodulation.
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公开(公告)号：US11005550B2
公开(公告)日：2021-05-11
申请号：US16623369
申请日：2018-05-15
Inventor： Qiuping Huang , Tamrakar Rakesh , Runhua Chen , Qiubin Gao , Xin Su , Hui Li , Mengjun Wang , Chuanjun Li
IPC: H04L12/26 , H04B7/06 , H04B7/0417 , H04B7/0456 , H04L5/00 , H04L25/02 , H04W72/04
Abstract: Embodiments of the present application provide a method and apparatus for transmitting downlink control information (DCI), for solving the technical problem that neither the existing protocol nor the communication system has a method for encoding sounding reference signal resource indication (SRI) and pre-coding matrix indication (TPMI) or rank indication (TRI) information. The method comprises: a network device determines the number of candidate values of preset indication information borne by a preset indication field in the downlink control information (DCI), the preset indication information comprising one of or a combination of two of the sounding reference signal resource indication (SRI) and pre-coding matrix indication (TPMI) or rank indication (TRI) information; the network device determines the length of the preset indication field according to the number of candidate values of the preset indication information, and encodes the preset indication information according to the length to generate the DCI; and the network device sends the DCI to the UE.
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公开(公告)号：US10931339B2
公开(公告)日：2021-02-23
申请号：US16638265
申请日：2018-07-10
Inventor： Qiuping Huang , Qiubin Gao , Tamrakar Rakesh , Xin Su , Runhua Chen , Hui Li , Mengjun Wang
IPC: H04B7/0456
Abstract: Disclosed are a method and device for determining an uplink transmission codebook. The method includes: transmitting by the terminal data transmission capability information to a base station, the data transmission capability information being used to characterize a data transmission capability that current antennas of the terminal can support; receiving by the terminal codebook indication information transmitted by the base station, the codebook indication information including codebook information used for indicating the terminal to perform uplink transmission, and/or information used for characterizing that the base station successfully decodes or fails to decode the data transmission capability information; and determining by the terminal the codebook corresponding to the uplink transmission, according to the codebook indication information.
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公开(公告)号：US10826574B2
公开(公告)日：2020-11-03
申请号：US16330731
申请日：2017-08-17
Inventor： Qiubin Gao , Runhua Chen , Rakesh Tamrakar , Xin Su , Qiuping Huang
IPC: H04B7/04 , H04B7/0417 , H04B7/06 , H04B7/08 , H04B17/309 , H04W72/04
Abstract: The beam processing method for use in the base station includes: transmitting a first downlink transmission beam training signal to a UE, and receiving first recommended beam-related information reported by the UE in accordance with the first downlink transmission beam training signal; transmitting a second downlink transmission beam training signal to the UE, and receiving second recommended beam-related information reported by the UE in accordance with the second downlink transmission beam training signal; determining a target downlink transmission beam in accordance with the first recommended beam-related information and the second recommended beam-related information; and performing a switching operation on one or more currently-adopted valid downlink transmission beams in accordance with the target downlink transmission beam.
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公开(公告)号：US10778307B2
公开(公告)日：2020-09-15
申请号：US16337373
申请日：2017-09-13
Inventor： Xin Su , Qiubin Gao , Rakesh Tamrakar , Runhua Chen , Chuanjun Li , Mengjun Wang , Hui Li , Qiuping Huang
Abstract: A beam scanning and search tracking method and device are provided. The method includes constructing analog beams and performing digital beam-forming to the analog beams so as to form equivalent beams; transmitting reference signals to a second communication node by using the equivalent beams; receiving beam information about the equivalent beams and corresponding channel state information fed back by the second communication node according to the reference signals; performing a beam scanning operation and a search tracking operation by using the beam information and the channel state information.
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Patent Agency Ranking
公开(公告)号：US11949620B2
公开(公告)日：2024-04-02
申请号：US16496698
申请日：2018-03-14
Inventor： Rakesh Tamrakar , Qiubin Gao , Xin Su , Hui Li , Qiuping Huang
IPC: H04L5/00 , H04W72/044 , H04W72/1268 , H04W72/23
CPC classification number: H04L5/0051 , H04W72/046 , H04W72/1268 , H04W72/23
Abstract: A signal processing method and device are provided. The method includes indicating a first uplink sounding reference signal resource to a terminal, wherein the first uplink sounding reference signal resource is used for uplink beam scanning; receiving a uplink sounding reference signal transmitted by the terminal by using the first uplink sounding reference signal resource; determining a target uplink sounding reference signal based on the uplink sounding reference signal transmitted by the terminal, and transmitting an identifier of the target uplink sounding reference signal to the terminal; indicating a second uplink sounding reference signal resource to the terminal, the second uplink sounding reference signal resource being used to cause the terminal to transmit an uplink sounding reference signal for channel measurement based on the identifier of the target uplink sounding reference signal and the second uplink sounding reference signal resource.
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公开(公告)号：US11770757B2
公开(公告)日：2023-09-26
申请号：US16317945
申请日：2017-07-11
Inventor： Hui Li , Qiubin Gao , Runhua Chen , Chuanjun Li , Xin Su , Yang Song , Rakesh Tamrakar , Yu Yang , Qiuping Huang , Mengjun Wang
CPC classification number: H04W48/08 , H04L5/0094 , H04L27/2666
Abstract: A method and a device for accessing a system information area or a network area are provided. The method includes: receiving, by a terminal, at least one initial access signal (IAS) transmitted from the system information area or the network area; and obtaining, by the terminal, one or more of a subframe boundary, a system bandwidth, a starting frequency and an ending frequency of the system information area or the network area based on the received IAS.
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18.发明授权公开(公告)号：US11463219B2
公开(公告)日：2022-10-04
申请号：US16645413
申请日：2018-09-05
Inventor： Hui Li , Qiubin Gao , Rakesh Tamrakar , Runhua Chen , Xin Su , Deshan Miao , Qiuping Huang
IPC: H04L5/00
Abstract: The present disclosure provides a reference signal transmission method, a reference signal transmission device, a base station and a user equipment. The transmission method of the present disclosure includes: implicitly or explicitly indicating to a user equipment (UE), position information of a target subcarrier for mapping a target phase tracking reference signal (PTRS) port, among subcarriers occupied by a target demodulation reference signal (DMRS) port. The target DMRS port is a DMRS port associated with the target PTRS port.
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公开(公告)号：US11323219B2
公开(公告)日：2022-05-03
申请号：US16322460
申请日：2017-07-18
Inventor： Rakesh Tamrakar , Runhua Chen , Qiubin Gao , Hui Li , Qiuping Huang , Yang Song , Chuanjun Li , Mengjun Wang , Xin Su , Yu Yang
Abstract: A triggering method and a transmitting method for an uplink reference signal in a communication system, apparatuses thereof, and a storage medium are provided. The communication system includes at least two different signal parameters. The triggering method applied to a network side includes: generating, by the network side, a trigger signaling for triggering a terminal to transmit the uplink reference signal to the network side for one or more times; and transmitting, by the network side, the trigger signaling to the terminal.
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公开(公告)号：US11218277B2
公开(公告)日：2022-01-04
申请号：US16645524
申请日：2018-06-28
Inventor： Hui Li , Qiubin Gao , Tamrakar Rakesh , Runhua Chen , Xin Su , Deshan Miao , Qiuping Huang , Mengjun Wang
IPC: H04L5/00
Abstract: Provided in the embodiments of the present application are a channel state indication (CSI) information reporting and receiving method and a communication device, which are used to provide for a terminal in an NR system a solution for mapping CSI information to an uplink channel and transmitting the same. The method comprises: a terminal receives an uplink channel resource configuration signaling and/or a demodulation reference signal (DMRS) configuration signaling sent by a base station, and determines a mapping symbol set, wherein the DMRS configuration signaling is used to indicate the number of DMRSes configured by a system for an uplink channel and the time-frequency location of an occupied OFDM symbol, the uplink channel resource configuration signaling represents the time-frequency resource of the uplink channel, and the mapping symbol set is a set of symbols adjacent to the OFDM symbol; and the terminal measures a downlink channel, calculates CSI information, encodes the CSI information, and maps an information part comprising rank indication (RI) information onto an RE of at least one orthogonal frequency-division multiplexing (OFDM) symbol in the mapping symbol set to carry out transmission.
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