-
21.发明申请POWER CONTROL METHOD AND DEVICE FOR DEVICE TO DEVICE (D2D) TRANSMISSION 有权用于设备（D2D）传输的设备的功率控制方法和设备公开(公告)号：US20160057709A1
公开(公告)日：2016-02-25
申请号：US14783847
申请日：2014-03-18
Inventor： Qiubin Gao , Rui ZHAO , Wenhong CHEN , Ying PENG
CPC classification number: H04W52/243 , H04W52/04 , H04W52/08 , H04W52/367 , H04W52/383 , H04W72/0473
Abstract: Disclosed are a power control method and device for D2D transmission. The method includes determining an upper limit value of interference power corresponding to a terminal. The upper limit value of the interference power is the maximum interference value which is allowed by a base station and generated by D2D transmission to cellular transmission. The base station sending the upper limit value of the interference power to the terminal the terminal determines the upper limit value of D2D transmission power by using the upper limit value of the interference power. The terminal determines the upper limit value of the D2D transmission power, and determines the D2D transmission power, the D2D transmission power of the terminal device can be controlled, transmitting power of the D2D transmission is controlled to make the interference generated by same to the cellular transmission to a controlled range, and the interference of a D2D signal to a cellular signal is controlled.
Abstract translation: 公开了用于D2D传输的功率控制方法和装置。 该方法包括确定对应于终端的干扰功率的上限值。 干扰功率的上限值是由基站允许并由D2D传输到蜂窝传输产生的最大干扰值。 基站向终端发送干扰功率的上限值，终端通过使用干扰功率的上限值来确定D2D发送功率的上限值。 终端确定D2D发射功率的上限值，并确定D2D发射功率，可以控制终端设备的D2D发射功率，控制D2D传输的发射功率，使其产生的干扰与蜂窝 传输到受控范围，并且控制D2D信号对蜂窝信号的干扰。
-
公开(公告)号：US20180205439A1
公开(公告)日：2018-07-19
申请号：US15745122
申请日：2016-07-19
Inventor： Wenhong CHEN , Qiubin GAO , Hui LI , Tamrakar RAKESH , Runhua CHEN
CPC classification number: H04B7/0626 , H04B7/04 , H04B7/0643 , H04W24/10 , H04W72/0413 , H04W72/0446
Abstract: Disclosed are a channel status information (CSI) feedback and control method and device. The method comprises: a terminal receives trigger signaling sent by a base station, the trigger signaling being used for instructing the terminal to report CSI obtained within a specified measurement window; and the terminal reports the CSI that is measured by the terminal within the specified measurement window to the base station. Because a terminal reports only CSI that is measured by the terminal within a specified measurement window, the frequency of feeding back CSI by the terminal is reduced, and CSI feedback overheads are also reduced.
-
公开(公告)号：US20180138954A1
公开(公告)日：2018-05-17
申请号：US15570263
申请日：2016-03-31
Inventor： Qiubin GAO , Shanzhi CHEN , Wenhong CHEN , Hui LI , Runhua CHEN , Rakesh TAMRAKAR
IPC: H04B7/04
Abstract: The embodiments of the present disclosure provide a method and a device for constraining a codebook subset. The method includes steps of: determining codebook subset constraint parameters for all or parts of matrix sets for constructing a codebook respectively, each codebook subset constraint parameter indicating an available matrix in a corresponding matrix set; and transmitting the determined codebook subset constraint parameters to a UE. The number of the matrices in each matrix set for constructing the codebook is far less than the number of precoding matrices in the codebook.
-
公开(公告)号：US20180069613A1
公开(公告)日：2018-03-08
申请号：US15563464
申请日：2016-02-03
Inventor： Hui LI , Qiubin GAO , Runhua CHEN , Tamrakar RAKESH , Wenhong CHEN
CPC classification number: H04B7/0639 , H04B7/0456 , H04B7/0478 , H04B7/06 , H04B7/0617 , H04B7/0632 , H04B7/0634 , H04B7/066 , H04L1/0026 , H04W24/10
Abstract: Disclosed are a channel state information feedback and acquisition method and device. The application comprises: acquiring, by a terminal, a first-dimension downlink reference signal resource, S second-dimension downlink reference signal resources and a first corresponding relationship of the above configured by a network device; measuring, by the terminal and according to the first-dimension downlink reference signal resource, a first-dimension downlink reference signal, and selecting, by the terminal and according to the measured first-dimension PMI and the first corresponding relationship, a resource for measuring a second-dimension downlink reference signal, measuring, according to the resource, the second-dimension downlink reference signal, and feeding back channel state information, wherein the second-dimension reference signal is transmitted after forming a first-dimension beamforming weight. The present application enables acquisition of channel state information between a network device and a terminal, and adjustment of the first-dimension beamforming weight for forming the second-dimension reference signal according to the PMI fed back by the first-dimension.
-
公开(公告)号：US20160381661A1
公开(公告)日：2016-12-29
申请号：US15112106
申请日：2015-01-15
Inventor： Rui Zhao , Qiubin GAO , Wenhong CHEN , Ying PENG
CPC classification number: H04W72/02 , H04W72/0446 , H04W76/14 , H04W84/18 , H04W88/02
Abstract: Disclosed are a D2D data transmission method and device. The method comprises: determining, by a D2D data sending end, a state of each sending opportunity in a sending window in the same manner as a D2D data receiving end, wherein the sending window is uniformly divided into a plurality of sending opportunities, and the state of each sending opportunity comprises a data sending state and a silent state; and sending D2D data to the D2D data receiving end in the sending opportunity of each data sending state in the sending window. By means of the technical solution provided in the embodiments of the present application, a D2D data sending end sends data on different resources (sending opportunities) or becomes silent, so that different D2D data sending ends are staggered on the resources, thereby alleviating the influence of “near-far” effects.
Abstract translation: 公开了一种D2D数据传输方法和装置。 该方法包括：以与D2D数据接收端相同的方式，通过D2D数据发送端确定发送窗口中每个发送机会的状态，其中发送窗口被均匀地划分为多个发送机会，并且 每个发送机会的状态包括数据发送状态和静默状态; 并且在发送窗口中的每个数据发送状态的发送机会中向D2D数据接收端发送D2D数据。 通过本申请实施例提供的技术方案，D2D数据发送端发送关于不同资源（发送机会）的数据或者变得无声，使得不同的D2D数据发送结束在资源上交错，从而减轻影响 的“近远”效应。
-
Patent Agency Ranking
26.发明申请公开(公告)号：US20160143024A1
公开(公告)日：2016-05-19
申请号：US14930493
申请日：2015-11-02
Inventor： Wenhong CHEN , Ya'nan Lin , Xuejuan Gao
CPC classification number: H04W72/0413 , H04L1/0073 , H04L1/06 , H04L1/08 , H04L1/1671 , H04L1/1858 , H04L5/0026 , H04L5/0055 , H04L2001/125
Abstract: The present invention provides a method and apparatus for processing uplink control information (UCI) and a method for transmitting the UCI based on a multiple input multiple output system, which processing method comprises: repeating ACK/NACK source bits and/or rank indicator (RI) source bits in the uplink control information to form M groups, with each group corresponding to a code word (S302), wherein M is the total number of code words; carrying out channel encoding on the ACK/NACK source bits and/or RI source bits of each code word to obtain QACK*Li output bits (S304), wherein QACK is the channel encoding output bits corresponding to each layer in a certain code word, L is the total number of layers, and the layer number corresponding to the i-th code word is Li; and multiplexing and interleaving the output bits and the data bits of the corresponding code word (S306). The present invention solves the problems of transmission and channel encoding of the ACK/NACK and/or RI in the multiple input multiple output (MIMO) system, and at the same time takes into account high load situations and backward compatibility.
-
27.发明申请公开(公告)号：US20180309556A1
公开(公告)日：2018-10-25
申请号：US15770156
申请日：2016-09-12
Inventor： Wenhong CHEN , Xueming PAN , Qiubin GAO , Rakesh TAMRAKAR
Abstract: A method and a device for determining a CSI-RS transmission resource are provided. The method includes: acquiring, by a UE, uplink/downlink subframe configuration information for determining a position of a CSI-RS resource; determining, by the UE, a type of a subframe within which the CSI-RS is to be transmitted in accordance with the uplink/downlink subframe configuration information; and determining, by the UE, the position of the CSI-RS resource within the subframe within which the CSI-RS is to be transmitted in accordance with the determined type of the subframe.
-
公开(公告)号：US20180241449A1
公开(公告)日：2018-08-23
申请号：US15751460
申请日：2016-08-08
Inventor： Hui LI , Qiubin GAO , Runhua CHEN , Wenhong CHEN , Rakesh TAMRAKAR
CPC classification number: H04B7/0486 , H04B7/0473 , H04B7/0478 , H04B7/0617 , H04B7/0639
Abstract: A precoding matrix determination method and a precoding matrix determination device are provided. The precoding matrix determination method includes: dividing each of the groups of vertical-dimension beams into a plurality of subgroups of vertical-dimension beams, and dividing each of the groups of horizontal-dimension beams into a plurality of subgroups of horizontal-dimension beams; determining a first stage codebook in accordance with a Kronecker product of each subgroup of vertical-dimension beams acquired by dividing each of the groups of vertical-dimension beams and each subgroup of horizontal-dimension beams acquired by dividing each of the groups of horizontal-dimension beams; and selecting a plurality of columns of beams from the determined first stage codebook using a second stage codebook, and performing phase adjustment to determine a precoding matrix.
-
29.发明申请公开(公告)号：US20180241445A1
公开(公告)日：2018-08-23
申请号：US15755090
申请日：2016-07-19
Inventor： Hui LI , Shanzhi CHEN , Qiubin GAO , Runhua CHEN , Wenhong CHEN , Tamrakar RAKESH
IPC: H04B7/0456 , H04B7/06
Abstract: Methods and apparatuses for transmitting coding indication information and determining a precoding 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: determining first precoding indication information and second precoding indication information, the first precoding indication information corresponding to a first-stage precoding matrix, the second precoding indication information corresponding to a direction weighting vector and a phase adjustment factor, the direction weighting vector being used for performing interpolation processing on parts representing angles corresponding to beam vectors in the all beam vectors in each polarization direction in the first-stage precoding matrix, the phase adjusting factor being used for performing phase adjustment on different polarization directions of the first-stage precoding matrix, and the first-stage precoding matrix, the direction weighting vector, and the phase adjustment factor being used for generating a precoding matrix. The resolution of a precoding matrix is flexibly adjusted by using a direction weighting vector.
-
公开(公告)号：US20170373772A1
公开(公告)日：2017-12-28
申请号：US15539981
申请日：2015-12-09
Inventor： Qiubin GAO , Runhua CHEN , Wenhong CHEN , Hui LI , Rakesh TAMRAKAR
IPC: H04B17/318 , H04L25/02 , H04B7/0452
Abstract: The present disclosure provides a cell measurement method and a terminal. The cell measurement method includes steps of: measuring a pilot signal from a to-be-measured cell, so as to acquire an channel estimation of N pilot signal transmission ports of the to-be-measured cell, N≧1; determining an equivalent received power corresponding to each precoding matrix in accordance with each precoding matrix in a set of precoding matrices and the channel estimation of the N pilot signal transmission ports of the to-be-measured cell; and determining an equivalent received power of the to-be-measured cell in accordance with the equivalent received power corresponding to each precoding matrix.
-
-
-
-
-
-
-
-
-
Search Results
34
records
(took 0.029 seconds)
