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11.发明申请公开(公告)号：US20170156134A1
公开(公告)日：2017-06-01
申请号：US15327617
申请日：2015-08-05
Inventor： Rui ZHAO , Qiubin GAO , Wenhong CHEN , Ying PENG
IPC: H04W72/04
CPC classification number: H04W72/0406 , H04L5/0051 , H04L5/0053 , H04W72/044 , H04W76/14
Abstract: The present disclosure provides a data reception method, a data transmission method, a data reception device and a data transmission device for device-to-device (D2D) communication, so as to enable a UE to receive data from a transmitting UE in the case that the UE does not know resource pool configuration information of the transmitting UE. The data reception method includes steps of: detecting control information from a transmitter using each set of locally-stored resource pool configuration information; determining resource pool configuration information used by the transmitter in accordance with the detected control information; and receiving data information from the transmitter in accordance with the determined resource pool configuration information and the control information.
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公开(公告)号：US20160316352A1
公开(公告)日：2016-10-27
申请号：US15102475
申请日：2014-12-04
Inventor： Wenhong CHEN , Quibin GAO , Ying PENG , Rui ZHAO
CPC classification number: H04W8/005 , H04W4/06 , H04W72/042 , H04W76/14
Abstract: Disclosed are a D2D signal detecting method and device, comprising: a user equipment determines a physical resource for discovery signal detection; the user equipment determines the number of discovery resources used by the discovery signals according to the physical resource area for discovery signal detection, or according to a discovery resource set of the discovery sequence contained in the discovery signal detected in the physical resource area, the number of discovery resources being the number of discovery resources used in one discovery period or in the physical resource area for sending the same discovery signal; the user equipment detects the discovery signals according to the determined number of discovery resources. The present invention can improve performance loss caused by D2D signal detection and can reduce the complexity of D2D signal detection by user equipment.
Abstract translation: 公开了一种D2D信号检测方法和装置，包括：用户设备确定用于发现信号检测的物理资源; 用户设备根据发现信号检测的物理资源区域确定发现信号使用的发现资源的数量，或者根据包含在物理资源区域中检测到的发现信号中的发现序列的发现资源集，确定数量 发现资源是在一个发现周期中或在用于发送相同发现信号的物理资源区域中使用的发现资源的数量; 用户设备根据确定的发现资源数量来检测发现信号。 本发明可以改善由D2D信号检测引起的性能损失，并且可以降低用户设备的D2D信号检测的复杂性。
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公开(公告)号：US20210218456A1
公开(公告)日：2021-07-15
申请号：US16081878
申请日：2017-02-21
Inventor： Hui LI , Quibin GAO , Runhua CHEN , Wenhong CHEN , Rakesh TAMRAKAR
IPC: H04B7/06 , H04B7/0456
Abstract: A CSI feedback method and a CSI feedback device are provided. The CSI feedback method includes: determining a first precoding matrix in a set of first precoding matrices, and determining a first precoding matrix index value corresponding to the first precoding matrix; determining a second precoding matrix in a set of second precoding matrices, and determining a second precoding matrix index value corresponding to the second precoding matrix, the second precoding matrix including a beam selection section for selecting beams from the beam groups for each antenna group and a phase adjustment section for adjusting phases among the plurality of antenna groups; and feeding back the first precoding matrix index value and the second precoding matrix index value to an access device, so as to enable the access device to select corresponding precoding matrices from the set of first precoding matrices and the set of second precoding matrix in accordance with the first precoding matrix index value and the second precoding matrix index value, and implement calculation on the selected precoding matrices to obtain a precoding matrix for data transmission.
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14.发明申请公开(公告)号：US20200244322A1
公开(公告)日：2020-07-30
申请号：US15754954
申请日：2016-07-14
Inventor： Hui LI , Qiubin GAO , Runhua CHEN , Wenhong CHEN , Tamrakar RAKESH
IPC: H04B7/0456 , H04B7/06
Abstract: Disclosed are methods and apparatuses for transmitting coding indication information and determining a pre-coding matrix, for use in resolving the problem that the resolution of code words in a codebook generated by using a combination of a beam vector subgroup and column selection cannot be flexibly adjusted. The method comprises: user equipment determines first pre-coding indication information and second pre-coding indication information, the first pre-coding indication information corresponding to a first-stage pre-coding matrix, the first-stage pre-coding matrix comprising beam vectors in different polarizations, the second pre-coding indication information corresponding to a second-stage pre-coding matrix, the second-stage pre-coding matrix being used for performing amplitude weighting and phase adjusting on all beam vectors in each polarization in the first-stage pre-coding matrix, and the first-stage pre-coding matrix and the second-stage pre-coding matrix being used for generating a pre-coding matrix. Amplitude weighting and phase adjusting are performed on all beam vectors in each polarization in a first-stage pre-coding matrix, so that the resolution of a pre-coding matrix is flexibly adjusted, and the system performance is improved.
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15.发明申请公开(公告)号：US20190044597A1
公开(公告)日：2019-02-07
申请号：US15760582
申请日：2016-08-31
Inventor： Rakesh TAMRAKAR , Qiubin GAO , Wenhong CHEN , Runhua CHEN , Hui LI
Abstract: A channel state information receiving method, a channel state information feedback method, a device, a base station and a terminal are provided. It is related to telecommunication field. The receiving method includes: obtaining group identifiers of groups into which multiple terminals having accessed to a base station are classified; transmitting a triggering signaling to one group of terminals having an identical group identifier; and receiving, on a pre-configured resource block, pieces of channel state information respectively fed back by the group of terminals having the identical group identifier in response to the triggering signaling. With the above technical solution, consumption of downlink signalings of the base station can be reduced and feedback efficiency of channel state information can be improved.
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Patent Agency Ranking
公开(公告)号：US20180331744A1
公开(公告)日：2018-11-15
申请号：US15774268
申请日：2016-10-26
Inventor： Qiubin GAO , Shanzhi CHEN , Runhua CHEN , Wenhong CHEN , Hui LI , Tamrakar RAKESH , Shaohui SUN
IPC: H04B7/06 , H04B7/0417 , H04B7/0456
Abstract: Disclosed are channel state information feedback and data transmission method and apparatus. The method comprises: determining a first codebook on a base station side, the first codebook being a set composed of precoding matrixes; determining a first codebook on a terminal side, the first codebook being a set composed of precoding matrixes; calculating channel state information according to the first codebooks; and feeding back the channel state information to a base station. Data transmission is performed on the terminal on the base station side, and in the data transmission process, some or all of the precoding matrixes in the first codebooks are utilized to perform processing, over a resource allocated to a terminal, on data to be transmitted. By using the present application, preceding matrixes needed for open-loop MIMO calculation can be determined, traversing of whole space is avoided, difficulties in system design and implementation are reduced, and the system performance is improved.
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公开(公告)号：US20180262245A1
公开(公告)日：2018-09-13
申请号：US15752576
申请日：2016-07-08
Inventor： Hui LI , Qiubin GAO , Runhua CHEN , Wenhong CHEN , Rakesh TAMRAKAR
Abstract: The present disclosure relates to the field of communication technology, and provides an information feedback method, an information feedback device and a UE. The information feedback method includes steps of: acquiring PMIs of multiple-level component precoding matrices of a precoding matrix for downlink data transmission; and feeding back the PMI of each of the multiple-level component precoding matrices of the precoding matrix to a base station individually, or feeding back the jointly encoded PMIs, each of which is the PMI of each of the multiple-level component precoding matrices of the precoding matrix, to the base station.
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公开(公告)号：US20180152858A1
公开(公告)日：2018-05-31
申请号：US15576273
申请日：2016-05-11
Inventor： Wenhong CHEN
IPC: H04W24/10 , H04B17/309 , H04W72/04 , H04B7/06
Abstract: A channel state information (CSI) feedback method and a terminal are provided to enable the terminal to determine a CSI feedback approach based on received information for CSI feedback and perform CSI measurement and CSI feedback. A network device indicates a CSI feedback configuration group for CSI feedback to the terminal. After receiving the CSI feedback configuration group, the terminal determines the CSI feedback approach corresponding to the CSI feedback configuration group.
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公开(公告)号：US20170064660A1
公开(公告)日：2017-03-02
申请号：US15308832
申请日：2015-05-05
Inventor： Wenhong CHEN , Qiubin GAO , Rui ZHAO , Ying PENG
IPC: H04W56/00
CPC classification number: H04W56/0025 , H04W56/0015 , H04W76/23 , H04W88/04
Abstract: The present disclosure provides a synchronization processing method and a UE, so as to improve synchronization accuracy between the UE outside a coverage area and a UE within the coverage area. The synchronization processing method includes steps of: determining, by the UE outside the coverage area, a synchronization resource starting position of the UE within the coverage area after the UE outside the coverage area has detected a synchronization signal from the UE within the coverage area; determining, by the UE outside the coverage area, its own synchronization resource starting position in accordance with the synchronization resource starting position of the UE within the coverage area; and transmitting, by the UE outside the coverage area, a synchronization signal in accordance with its own synchronization resource starting position and its own synchronization resource period. According to the present disclosure, upon receiving the synchronization signal from the UE within the coverage area, the UE outside the coverage area transmits the synchronization signal continuously in accordance with the received synchronization signal. In addition, according to the present disclosure, it is able to improve the synchronization accuracy between the UE outside the coverage area and the UE within the coverage area.
Abstract translation: 本公开提供了同步处理方法和UE，以便提高覆盖区域外的UE与覆盖区域内的UE之间的同步精度。 所述同步处理方法包括以下步骤：在所述覆盖区域外的所述UE在所述覆盖区域内已经从所述覆盖区域内的UE检测到同步信号之后，由所述覆盖区域外的所述UE确定所述覆盖区域内的所述UE的同步资源开始位置; 根据覆盖区域内的UE的同步资源开始位置，由覆盖区域外的UE确定其自身的同步资源开始位置; 并且由覆盖区域外的UE发送根据其自身的同步资源开始位置和其自己的同步资源周期的同步信号。 根据本公开，在覆盖区域内从UE接收到同步信号时，覆盖区域外的UE根据接收的同步信号连续发送同步信号。 此外，根据本公开，能够提高覆盖区域外的UE与覆盖区域内的UE之间的同步精度。
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公开(公告)号：US20160105878A1
公开(公告)日：2016-04-14
申请号：US14787473
申请日：2014-04-28
Inventor： Rui ZHAO , Qiubin GAO , Wenhong CHEN , Ying PENG
CPC classification number: H04W72/044 , H04L1/1887 , H04L5/0055 , H04L2001/0096 , H04W8/005 , H04W72/10 , H04W72/12 , H04W76/23 , H04W92/18
Abstract: The present invention relates to the technical field of wireless communications. Disclosed are a method, system and device for determining a transmission link type, to solve the receiving/transmitting duplexing problem in the prior art of a D2D link receiving terminal on a D2D link and an N2D link. The method comprises: a D2D receiving terminal reports to a network side device a first resource usage request on an N2D link, such that the network side device, after receiving the first resource usage request, determines the transmission link type of the D2D receiving terminal over a subframe n; and according to the type of the subframe n or the link type indication information received from the network side device, the D2D receiving terminal determines the transmission link type over the subframe n, the subframe n being a D2D subframe. An embodiment of the present invention improves system resource utilization and system performance.
Abstract translation: 本发明涉及无线通信技术领域。 公开了一种用于确定传输链路类型的方法，系统和设备，以解决在D2D链路和N2D链路上的D2D链路接收终端的现有技术中的接收/发送双工问题。 该方法包括：D2D接收终端向网络侧设备报告N2D链路上的第一资源使用请求，使得网络侧设备在接收到第一资源使用请求后，确定D2D接收终端的传输链路类型 子帧n 并且根据从网络侧设备接收到的子帧n的类型或链路类型指示信息，D2D接收终端确定子帧n上的传输链路类型，子帧n是D2D子帧。 本发明的实施例提高了系统资源利用率和系统性能。
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