公开(公告)号：EP1838030A3

公开(公告)日：2011-08-03

申请号：EP06025649.2

申请日：2006-12-12

申请人： Samsung Electronics Ltd.

发明人： Ko, Seong-Yun ,  Youn, Myeon-Kee ,  Park, Joo-Yong

IPC分类号： H04L5/02 ,  H04L27/26 ,  H04L25/02 ,  H04J11/00 ,  H04L25/03 ,  H04L5/00

CPC分类号： H04L25/03159 ,  H04J11/0043 ,  H04L5/0007 ,  H04L25/03821 ,  H04L2025/03426 ,  H04L2027/003

摘要： An uplink signal receiving method and apparatus using successive interference cancellation (SIC) in a wireless transmission system based on Orthogonal Frequency Division Multiple Access (OFDMA) are provided. The uplink signal receiving method includes storing in a provisional storage each uplink intermediate frequency (IF) signal received through an antenna of a base station and subjected to analog-to-digital conversion; analyzing the uplink IF signals stored in the provisional storage and determining a terminal to be restored; converting a data symbol of the determined terminal to be restored from a time domain into a frequency domain; performing channel/phase correction on the converted data symbol; demodulating the corrected data symbol; determining if there is a terminal to be restored; and when there is a terminal to be restored, removing the demodulated data symbol of the terminal to be restored from the temporarily stored uplink IF signals and then updating the uplink IF signals; thereby, to reducing interference between sub-carriers of the terminals caused by deviation of a center frequency of the sub-carriers of terminals constituting the uplink signal in the OFDMA-based wireless transmission system.

公开(公告)号：EP2425596B1

公开(公告)日：2018-12-12

申请号：EP10720482.8

申请日：2010-04-27

申请人： BlackBerry Limited

发明人： JIA, Yongkang ,  FONG, Mo-Han ,  CAI, Zhijun ,  YU, Yi ,  XU, Hua

IPC分类号： H04L25/03 ,  H04B1/707

CPC分类号： H04L25/0328 ,  H04J11/004 ,  H04J11/0043 ,  H04L1/0048 ,  H04L25/03331 ,  H04L2025/03426

摘要： A method and system for multiple input, multiple output (MIMO) detection and channel decoding comprising: decomposing a channel complex gain matrix into a unitary matrix and an upper right hand triangular matrix; providing a received signal to a complex conjugate transpose of the unitary matrix, thereby creating a plurality of signals; normalizing a last of the plurality of signals; channel decoding the normalized last of the plurality of signals, thereby recovering a last codeword signal; encoding the last codeword signal; utilizing the encoded last codeword signal to recover a second last codeword signal; and repeating the utilizing until all codeword signals are recovered. Also, a method and system for providing an imbalanced modulation and coding scheme for successive interference cancellation.

公开(公告)号：EP3297189A1

公开(公告)日：2018-03-21

申请号：EP16792443.0

申请日：2016-03-30

申请人： Sony Corporation

发明人： MATSUDA, Hiroki ,  KIMURA, Ryota

IPC分类号： H04J99/00 ,  H04J11/00

CPC分类号： H04W72/042 ,  H04J11/0043 ,  H04J11/005 ,  H04L1/0071 ,  H04L5/0057 ,  H04W72/0473 ,  H04W72/082

摘要： To provide a device, method, and program capable of further improving decoding precision of a desired signal in a case in which multiplexing/multiple access is performed using power allocation. The device includes a transmission processing unit configured to set each of transmission signal sequences of a plurality of power layers that are to be multiplexed using power allocation as a target and apply at least one of a scrambler using a scramble pattern and an interleaver using an interleave pattern corresponding to information regarding the power allocation.

摘要翻译： 提供能够在使用功率分配执行复用/多址访问的情况下进一步提高期望信号的解码精度的设备，方法和程序。 该装置包括发送处理单元，该发送处理单元被配置为将要使用功率分配复用的多个功率层的每个发送信号序列设置为目标，并且使用加扰模式应用扰码器和使用交织的交织器中的至少一个 模式对应于关于功率分配的信息。

公开(公告)号：EP3238355A1

公开(公告)日：2017-11-01

申请号：EP15735911.8

申请日：2015-07-02

申请人： Huawei Technologies Co., Ltd.

发明人： CHEN, Jianjun ,  RUSEK, Fredrik ,  CHEN, Junshi ,  ALMERS, Peter ,  XU, Baicheng

IPC分类号： H04J11/00 ,  H04W24/02

CPC分类号： H04L1/0048 ,  H04J11/0043 ,  H04L25/03006

摘要： A receiving device including a receiver configured to receive a communication signal (CS) in a current time frame, and a processor configured to determine a set of candidate Control Channels (CCHs), determine a decoding order for the candidate CCHs in the set, decode at least one candidate CCH in the set according to the decoding order, compute a possible Radio Network Temporary Identifier (RNTI) for the decoded candidate CCH, compute a metric value (MV) for the decoded candidate CCH, the MV provides an indication when the decoded candidate CCH might be an actual CCH, determine when the decoded candidate CCH is an actual CCH based on the computed possible RNTI and the MV, derive control information (CI) from the decoded candidate CCH when the decoded candidate CCH is determined as an actual CCH, and cancel or suppress interference in the CS based on the derived CI.

摘要翻译： 本发明涉及一种接收器装置。 接收器设备（100）包括：接收器（104），被配置为在当前时间帧中接收通信信号（CS）;接收器 （102），其被配置为：确定一组候选控制信道（CCH），其中所述组中的每个候选CCH被寻址用于所述通信信号的另一个接收机设备（400）并且与数据信道（DCH）相关联 （CS）; 确定集合中的候选CCH的解码顺序; 根据解码顺序解码集合中的至少一个候选CCH; 为解码后的候选CCH计算可能的无线网络临时标识符（RNTI）; 计算解码候选CCH的度量值（MV），度量值（MV）提供指示解码候选CCH是否可能是实际CCH; 基于计算出的可能的RNTI和度量值（MV）来确定解码后的候选CCH是否为实际CCH; 如果解码后的候选CCH被确定为实际CCH，则从解码后的候选CCH导出控制信息（CI） 基于所导出的控制信息（CI），消除干扰或抑制通信信号（CS）中的干扰。 此外，本发明还涉及相应的方法，计算机程序和计算机程序产品。

公开(公告)号：EP3193471A4

公开(公告)日：2017-08-02

申请号：EP15840122

申请日：2015-06-12

申请人： NTT DOCOMO INC

发明人： BENJEBBOUR ANASS ,  KISHIYAMA YOSHIHISA

IPC分类号： H04J99/00 ,  H04B7/06 ,  H04J11/00 ,  H04W52/14 ,  H04W52/24 ,  H04W52/26 ,  H04W72/08 ,  H04W72/12

CPC分类号： H04W52/24 ,  H04B7/0417 ,  H04B7/0639 ,  H04J11/0043 ,  H04L1/0003 ,  H04L5/0048 ,  H04L5/0057 ,  H04W52/143 ,  H04W52/241 ,  H04W52/243 ,  H04W52/26 ,  H04W52/262 ,  H04W72/0473 ,  H04W88/02 ,  H04W88/08

摘要： For each UE, a base station determines the number of streams for transmitting a data signal, performs different precoding on the data signal depending on the UE, and allocates different transmission powers to at least two UEs. The base station transmits streams addressed to the at least two UEs in a form in which these streams are non-orthogonally mixed, with transmission powers that are different for the UEs. For each of the streams addressed to these UEs, the base station estimates predictive indices for these UEs from channel state information determined by the UEs to which those streams are addressed, and, based on the predictive indices, allocates different transmission powers to those UEs such that the better the predictive index is, the lower the transmission power is.

摘要翻译： 对于每个UE，基站确定用于传输数据信号的流的数量，根据UE对数据信号执行不同的预编码，并且向至少两个UE分配不同的传输功率。 基站以这些流被非正交混合的形式发送寻址到至少两个UE的流，其中发射功率对于UE是不同的。 对于寻址到这些UE的每个流，基站根据由这些流寻址到的UE确定的信道状态信息来估计这些UE的预测指数，并且基于预测指数向这些UE分配不同的传输功率 预测指数越好，发射功率越低。

公开(公告)号：EP3193471A1

公开(公告)日：2017-07-19

申请号：EP15840122.4

申请日：2015-06-12

申请人： NTT DOCOMO, INC.

发明人： BENJEBBOUR, Anass ,  KISHIYAMA, Yoshihisa

IPC分类号： H04J99/00 ,  H04W52/24 ,  H04W52/26

CPC分类号： H04W52/24 ,  H04B7/0417 ,  H04B7/0639 ,  H04J11/0043 ,  H04L1/0003 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0057 ,  H04L27/261 ,  H04W52/143 ,  H04W52/241 ,  H04W52/243 ,  H04W52/26 ,  H04W52/262 ,  H04W72/0473 ,  H04W88/02 ,  H04W88/08

摘要： For each UE, a base station determines the number of streams for transmitting a data signal, performs different precoding on the data signal depending on the UE, and allocates different transmission powers to at least two UEs. The base station transmits streams addressed to the at least two UEs in a form in which these streams are non-orthogonally mixed, with transmission powers that are different for the UEs. For each of the streams addressed to these UEs, the base station estimates predictive indices for these UEs from channel state information determined by the UEs to which those streams are addressed, and, based on the predictive indices, allocates different transmission powers to those UEs such that the better the predictive index is, the lower the transmission power is.

摘要翻译： 对于每个UE，基站确定用于传输数据信号的流的数量，根据UE对数据信号执行不同的预编码，并且向至少两个UE分配不同的传输功率。 基站以这些流被非正交混合的形式发送寻址到至少两个UE的流，其中发射功率对于UE是不同的。 对于寻址到这些UE的每个流，基站根据由这些流寻址到的UE确定的信道状态信息来估计这些UE的预测指数，并且基于预测指数向这些UE分配不同的传输功率 预测指数越好，发射功率越低。

公开(公告)号：EP2938095B1

公开(公告)日：2017-03-01

申请号：EP14305610.9

申请日：2014-04-25

申请人： ALCATEL LUCENT

发明人： Coomans, Werner ,  Chow, Hungkei ,  Maes, Jochen

IPC分类号： H04Q11/04 ,  H04B3/32 ,  H04L27/26 ,  H04J11/00

CPC分类号： H04L5/0037 ,  H04B3/32 ,  H04B17/309 ,  H04B17/318 ,  H04B17/345 ,  H04J11/0026 ,  H04J11/0043 ,  H04L5/0005 ,  H04L5/14 ,  H04L27/2691 ,  H04Q11/04 ,  H04Q2213/19 ,  H04Q2213/292

摘要： The present invention relates to a method for assigning transmission resources (101) to communications between an access node (11) and a plurality of subscriber devices (41 to 46) coupled to a shared transmission medium. In accordance with an embodiment of the invention, the method comprises characterizing interference between respective ones of the plurality of subscriber devices over the shared transmission medium, grouping highly-interfering subscriber devices into respective interfering groups (G1, G2, G3, G4) based on the so-characterized interference, and assigning disjoint transmission time intervals to upstream communication from any one subscriber device of any one interfering group and to downstream communication towards any other subscriber device of the same interfering group. The present invention also relates to a resource controller.

摘要翻译： 本发明涉及一种用于将传输资源（101）分配给接入节点（11）和耦合到共享传输介质的多个用户设备（41至46）之间的通信的方法。 根据本发明的一个实施例，该方法包括通过共享传输介质来表征多个用户设备中各个用户设备之间的干扰，将高干扰用户设备分组成各自的干扰组（G1，G2，G3，G4），基于 以及如何表征的干扰，以及从任何一个干扰组的任何一个用户设备向上游通信分配不相交的传输时间间隔，并向相同干扰组的任何其他用户设备发送下游通信。 本发明还涉及资源控制器。

公开(公告)号：EP2139186A1

公开(公告)日：2009-12-30

申请号：EP08305338.9

申请日：2008-06-27

申请人： Alcatel Lucent

发明人： Rüegg, Andreas ,  Schaepperle, Joerg

IPC分类号： H04L27/26

CPC分类号： H04L27/2649 ,  H04J11/0043 ,  H04L1/0003 ,  H04L1/0009

摘要： The present invention relates to a method for decoding a composite radio signal at a receiver said composite radio signal being a superposition of at least two signals sent by at least one transmitter, each signal being transmitted using the same radio resource on a set of frequency subchannels of an OFDM system. A robustness parameter is calculated for each signal. The estimated bit error rate for each signal is calculated using the signal power or signal-to-noise ratio, the modulation scheme and the coding scheme. The signal with the lowest estimated BER is decoded first.

摘要翻译： 本发明涉及一种用于在接收机处对复合无线电信号进行解码的方法，所述复合无线电信号是由至少一个发射机发送的至少两个信号的叠加，每个信号使用相同的无线电资源在一组频率子信道上传输 的OFDM系统。 为每个信号计算鲁棒性参数。 使用信号功率或信噪比，调制方案和编码方案来计算每个信号的估计误码率。 首先解码具有最低估计BER的信号。

公开(公告)号：EP3327983A1

公开(公告)日：2018-05-30

申请号：EP18152543.7

申请日：2015-06-12

申请人： NTT DOCOMO, INC.

发明人： Benjebbour, Anass ,  Kishiyama, Yoshihisa

IPC分类号： H04L5/00 ,  H04W72/04 ,  H04W52/14 ,  H04J11/00 ,  H04B7/0417 ,  H04L1/00 ,  H04W52/24 ,  H04W52/26 ,  H04W88/02 ,  H04W88/08 ,  H04L27/26

CPC分类号： H04W52/24 ,  H04B7/0417 ,  H04B7/0639 ,  H04J11/0043 ,  H04L1/0003 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0057 ,  H04L27/261 ,  H04W52/143 ,  H04W52/241 ,  H04W52/243 ,  H04W52/26 ,  H04W52/262 ,  H04W72/0473 ,  H04W88/02 ,  H04W88/08

摘要： For each UE, a base station determines the number of streams for transmitting a data signal, performs different precoding on the data signal depending on the UE, and allocates different transmission powers to at least two UEs. The base station transmits streams addressed to the at least two UEs in a form in which these streams are non-orthogonally mixed, with transmission powers that are different for the UEs. For each of the streams addressed to these UEs, the base station estimates predictive indices for these UEs from channel state information determined by the UEs to which those streams are addressed, and, based on the predictive indices, allocates different transmission powers to those UEs such that the better the predictive index is, the lower the transmission power is.

公开(公告)号：EP3138210A4

公开(公告)日：2018-01-17

申请号：EP15786820

申请日：2015-05-04

申请人： SAMSUNG ELECTRONICS CO LTD

发明人： JI HYOUNGJU ,  KIM YOUNSUN ,  KIM YOUNGBUM ,  LEE HYOJIN ,  CHOI SEUNGHOON

IPC分类号： H04B7/04 ,  H04B7/06 ,  H04J11/00 ,  H04L5/00

CPC分类号： H04B7/0619 ,  H04B7/0452 ,  H04B7/0456 ,  H04B7/0617 ,  H04B7/0626 ,  H04B7/063 ,  H04B7/0632 ,  H04B7/0639 ,  H04J11/0026 ,  H04J11/0043 ,  H04L5/005 ,  H04L5/0057 ,  H04L5/0073 ,  H04W24/08 ,  H04W24/10 ,  H04W72/0413 ,  H04W72/1231

摘要： Systems, base stations, terminals, and methods for group-selective channel feedback in a wireless communication system are described. In one signal measurement method for a base station supporting Multiuser Multiple-Input Multiple-Output (MU-MIMO), the base station allocates a group identifier to a terminal group for performing and reporting signal measurements simultaneously. When the base station transmits control information including the group identifier, each one of terminals belonging to the terminal group performs signal measurement, generates signal measurement feedback, and simultaneously transmits the signal measurement feedback to the base station.