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公开(公告)号：US20210376976A1
公开(公告)日：2021-12-02
申请号：US16637752
申请日：2018-06-28
Inventor： Hui LI , Tamrakar RAKESH , Qiubin GAO , Runhua CHEN , Xin SU
Abstract: Embodiments of the present application provide a pilot configuration method, a channel measurement method, and a communication device, for use in resolving the technical problem in an NR system that a terminal cannot determine the location of a time-frequency resource occupied by a CSI-RS. The pilot configuration method comprises: a base station determines configuration information of CSI-RSs of N ports according to a predefined CSI-RS configuration pattern of a system, wherein the CSI-RS configuration pattern is used for representing configurations for time-frequency locations of resource elements (REs) of the CSI-RSs of different ports in a time slot when at least one OFDM symbol in a PRB is used as a time domain unit, the configuration information at least comprises the number of ports and an index parameter, and the index parameter is used for indicating the time-frequency location of the RE of the CSI-RS of each of the N ports in the time slot; the base station transmits the configuration information to a terminal connected to the base station by signaling, and transmits the CSI-RSs according to the configuration information, so that the terminal determines the time-frequency locations of the REs of the CSI-RSs in the time slot according to the configuration information and the predefined CSI-RS configuration pattern of the system, and performs channel measurement by using the CSI-RSs at the time-frequency locations.
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公开(公告)号：US20210344407A1
公开(公告)日：2021-11-04
申请号：US16324880
申请日：2017-08-03
Inventor： Qiuping HUANG , Qiubin GAO , Runhua Chen , Hui Li , Rakesh Tamrakar , Yang Song , Xin Su , Yu Yang , Mengjun Wang , Chuanjun Li
IPC: H04B7/08 , H04B7/0408 , H04B7/06
Abstract: A method and a device for transmitting downlink reception beam training signals are provided. The method at the second device side includes: receiving a downlink reception beam training trigger notification message sent by a first device; receiving downlink reception beam training signals sent by the first device, based on the downlink reception beam training trigger notification message; and performing a downlink reception beam training based on the downlink reception beam training signals. The method at the first device side includes: sending a downlink reception beam training trigger notification message to a second device when determining that a downlink reception beam training is to be performed for the second device, and sending downlink reception beam training signals to the second device after the downlink reception beam training trigger notification message is sent to the second device.
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公开(公告)号：US20210306198A1
公开(公告)日：2021-09-30
申请号：US16324907
申请日：2017-07-03
Inventor： Xuejuan GAO , Fang-Chen CHENG , Xueming PAN , Qiubin GAO
Abstract: Disclosed are a method and device for determining a baseband parameter, used for solving the problem of there not yet being an explicit solution for how to determine a numerology in a new radio communication system. The method comprises: according to an initial synchronization signal it detects, a terminal determining the TRP group to which said terminal belongs; according to a third synchronization signal detected in the TRP group and/or system information of the terminal group, the terminal determining the numerology. The solution provided by the embodiments of the present invention correctly identifies numerologies corresponding to different sub-bands, different TRPs, and/or different beams in a TRP group, thus achieving synchronization with different sub-bands, different TRPs, and/or different beams in the TRP group and ensuring that the terminal may operate, according to correct numerology, on a corresponding sub-band, TRP, or beam.
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公开(公告)号：US20210143952A1
公开(公告)日：2021-05-13
申请号：US16607433
申请日：2018-03-28
Inventor： Rakesh TAMRAKAR , Qiubin GAO , Hui LI
Abstract: Embodiments of the present disclosure provide a signal processing method and a signal processing device, which relate to the field of communication technology and used for the purpose of saving signaling resources. The signal processing method provided by embodiments of the present disclosure includes: transmitting a first indication message to a terminal device, wherein the first indication message is to trigger the terminal device to transmit feedback information on pilot signals; transmitting N downlink pilot signals to the terminal device, where N is an integer greater than or equal to 2, and the transmission manner of the N downlink pilot signals is semi-persistent transmission or aperiodic transmission, so that the terminal device, according to an acquired precoding manner of the downlink pilot signals and the first indication message, determines a feedback manner of the feedback information on the N downlink pilot signals and performs feedback, and wherein the feedback manner includes not feeding back or one-time feeding back of the feedback information on the N downlink pilot signals. In the embodiments of the present disclosure, the base station or the terminal device may not transmit feedback information on a plurality of pilot signals, or may one-time transmit feedback information on a plurality of pilot signals, thereby effectively saving signaling resources.
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5.发明申请公开(公告)号：US20200287687A1
公开(公告)日：2020-09-10
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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Patent Agency Ranking
公开(公告)号：US20200059958A1
公开(公告)日：2020-02-20
申请号：US16606172
申请日：2018-04-10
Inventor： Runhua CHEN , Qiubin GAO , Hui LI
Abstract: The message decoding method in accordance with embodiments of the present disclosure includes: receiving, by a receiving end device, a second message associated with a first message from a transmitting end device; determining, by the receiving end device, a target receiver parameter for decoding the first message in accordance with the second message; and decoding, by the receiving end device, the first message from the transmitting end device in accordance with the target receiver parameter.
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公开(公告)号：US20200059277A1
公开(公告)日：2020-02-20
申请号：US16476507
申请日：2018-02-07
Inventor： Xin SU , Qiubin GAO , Chuanjun LI , Mengjun WANG , Rakesh TAMRAKAR , Runhua CHEN , Hui LI , Qiuping HUANG
IPC: H04B7/0456 , H04B7/06 , H04L5/00 , H04L5/10 , H04L1/00
Abstract: The present disclosure provides a data transmission control method, a network side device and a terminal side device. The data transmission control method includes: mapping, by a network side device, a codeword to at least one data layer; mapping, by the network side device, the at least one data layer to at least one QCL group, the QCL group being an antenna port group established in accordance with a QCL relationship among antenna ports; and performing, by the network side device, data transmission in accordance with the QCL group. According to the present disclosure, it is able to perform the data transmission through multi-array antennae.
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8.发明申请公开(公告)号：US20200036417A1
公开(公告)日：2020-01-30
申请号：US16461087
申请日：2017-11-10
Inventor： Rakesh TAMRAKAR , Qiubin GAO , Hui LI , Runhua CHEN , Chuanjun LI , Mengjun WANG , Xin SU , Qiuping HUANG
IPC: H04B7/0456 , H04B7/06 , H04L5/00
Abstract: A method for indicating precoding information, user equipment (UE) and an access network entity are provided according to the disclosure. The method includes: receiving, by a user equipment (UE), a control signaling transmitted by an access network entity; determining, by the UE, a multilevel codebook index in response to the control signaling; and determining, by the UE, a target precoding matrix based on the multilevel codebook index and a multilevel codebook obtained in advance.
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公开(公告)号：US20200028560A1
公开(公告)日：2020-01-23
申请号：US16337961
申请日：2017-07-31
Inventor： Qiubin GAO , Runhua CHEN , Tamrakar RAKESH , Xin SU , Chuanjun LI
IPC: H04B7/06 , H04W16/28 , H04B7/0417 , H04B7/08 , H04W72/04
Abstract: Disclosed in the present application are an antenna beam management method and related device, used for solving the problem in current large-scale antenna technology wherein the overhead of beam management control signaling is large. The method is: a terminal sending related information of a downlink beam of the terminal to a base station so that the base station determines a first downlink sending beam on the basis of the related information of the downlink beam; the terminal receiving notification information related to the first downlink sending beam send by the base station, the notification information comprising indication information that is used by the terminal to determine at least one first downlink receiving beam; the terminal determining the at least one first downlink receiving beam on the basis of the notification information; and the terminal receiving a downlink signal on the basis of the at least one first downlink receiving beam.
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公开(公告)号：US20200028553A1
公开(公告)日：2020-01-23
申请号：US16335660
申请日：2017-09-12
Inventor： Runhua CHEN , Qiuping HUANG , Qiubin GAO , Rakesh TAMRAKAR
IPC: H04B7/0456 , H04B7/06 , H04B7/0417 , H04L27/26
Abstract: A signal transmission method and device are provided. The method includes: determining a codebook C being a set of matrices W; determining a matrix set Ω={W}∈C from the codebook C; generating one or more layers of signals, beamforming the signals with matrixes in the matrix set Ω, and cyclically mapping the matrixes in the matrix set Ω to different locations of transmission resources; and transmitting the beamformed signals at the different locations of the transmission resources.
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