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1. 发明授权

US08694851B1 Adaptive multiple-input multiple-ouput successive interference cancellation receivers 有权
标题翻译：自适应多输入多输出连续干扰消除接收机
公开(公告)号：US08694851B1
公开(公告)日：2014-04-08
申请号：US13210812
申请日：2011-08-16
申请人： Yakun Sun , Jihwan P. Choi , Jiwoong Choi , Hui-Ling Lou
发明人： Yakun Sun , Jihwan P. Choi , Jiwoong Choi , Hui-Ling Lou
IPC分类号： H03M13/00
CPC分类号： H04L1/0054 , H03M13/09 , H03M13/27 , H03M13/29 , H03M13/3738 , H03M13/3746 , H03M13/3776 , H03M13/6331 , H04J11/004 , H04L1/208 , H04L25/03891 , H04L25/067 , H04L2025/03426
摘要： A system including a first receiver module and a first interference canceller module. The first receiver module is configured to receive a first signal including a first set of codewords and to generate a first set of decoded codewords by decoding at least one of the first set of codewords. The first interference canceller module is configured to measure first reliability metrics of codewords corresponding to the first set of decoded codewords; based on the first reliability metrics, select a second set of decoded codewords from the first set; generate a second signal based on the second set of decoded codewords; and subtract at least a portion of the second signal from the first signal to cancel interference of codewords corresponding to the second set of decoded codewords on the second set of codewords in the first signal.
摘要翻译：一种包括第一接收机模块和第一干扰消除器模块的系统。第一接收器模块被配置为接收包括第一组码字的第一信号，并且通过解码第一组码字中的至少一个来生成第一组解码码字。第一干扰消除器模块被配置为测量与第一组解码码字相对应的码字的第一可靠性度量; 基于所述第一可靠性度量，从所述第一集合中选择第二组解码码字; 基于所述第二组解码码字生成第二信号; 并且从所述第一信号中减去所述第二信号的至少一部分，以消除所述第一信号中所述第二码字集合上对应于所述第二解码码字集合的码字的干扰。

2. 发明授权

US08451931B1 Method and apparatus for implementing transmit diversity in OFDM systems 有权
公开(公告)号：US08451931B1
公开(公告)日：2013-05-28
申请号：US13403949
申请日：2012-02-23
申请人： Jungwon Lee , Jihwan P. Choi , Hui-Ling Lou , Rohit Nabar , Yakun Sun
发明人： Jungwon Lee , Jihwan P. Choi , Hui-Ling Lou , Rohit Nabar , Yakun Sun
IPC分类号： H04B7/00
CPC分类号： H04L27/2627 , H04B7/0413 , H04B7/0669 , H04B7/0671 , H04L1/0625 , H04L5/0023 , H04L5/0087 , H04L25/0204 , H04L25/03159 , H04L2025/03414 , H04L2025/03426
摘要： A plurality of diagonal matrices Ci is determined, where the plurality of diagonal matrices Ci is for modifying a plurality of transmit signals to be transmitted via a plurality of transmit antennas, each diagonal matrix Ci for modifying an i-th block of sub-carriers, adjacent in frequency, in the plurality of transmit signals. The plurality of diagonal matrices Ci is used to modify the plurality of transmit signals to implement transmit diversity.

3. 发明申请

US20120140690A1 Synchronized Interference Mitigation Scheme for Heterogeneous Wireless Networks 有权
标题翻译：异构无线网络的同步干扰减轻方案
公开(公告)号：US20120140690A1
公开(公告)日：2012-06-07
申请号：US13307471
申请日：2011-11-30
申请人： Jihwan P. Choi , Yakun Sun , Hui-Ling Lou
发明人： Jihwan P. Choi , Yakun Sun , Hui-Ling Lou
IPC分类号： H04W72/12 , H04H20/71 , H04W52/02 , H04J3/00 , H04B7/14
CPC分类号： H04W72/1231 , G01S19/03 , G01S19/21 , H04J11/0023 , H04J11/0026 , H04J13/00 , H04L5/0073 , H04L5/0085 , H04L5/26 , H04W28/04 , H04W28/18 , H04W52/0216 , H04W72/1226 , H04W84/12 , H04W84/18 , Y02D70/00 , Y02D70/1242 , Y02D70/1262 , Y02D70/142 , Y02D70/144 , Y02D70/146 , Y02D70/164
摘要： In a method of synchronizing time domain multiplexing interference mitigation schemes of at least a first, second, and third wireless communication link within a first, second, and third network, respectively, a first set of parameters defining a first set of time intervals is determined. The first set of time intervals is utilized to schedule transmissions of the first wireless communication link to reduce interference with transmissions of the second wireless communication link. A second set of parameters defining a second set of time intervals is determined. The second set of time intervals is utilized to schedule transmissions of the first wireless communication link to reduce interference with transmissions of the third wireless communication link. The second set of parameters is determined based at least in part on at least one of the first set of parameters.
摘要翻译：在分别在第一，第二和第三网络内同步至少第一，第二和第三无线通信链路的时域复用干扰减轻方案的方法中，确定定义第一组时间间隔的第一组参数。第一组时间间隔被用于调度第一无线通信链路的传输以减少对第二无线通信链路的传输的干扰。确定定义第二组时间间隔的第二组参数。第二组时间间隔被用于调度第一无线通信链路的传输以减少对第三无线通信链路的传输的干扰。至少部分地基于第一组参数中的至少一个来确定第二组参数。

4. 发明授权

US08767616B2 Synchronized interference mitigation scheme for heterogeneous wireless networks 有权
标题翻译：异构无线网络的同步干扰减轻方案
公开(公告)号：US08767616B2
公开(公告)日：2014-07-01
申请号：US13307471
申请日：2011-11-30
申请人： Jihwan P. Choi , Yakun Sun , Hui-Ling Lou
发明人： Jihwan P. Choi , Yakun Sun , Hui-Ling Lou
IPC分类号： H04L5/00 , H04L5/22 , H04J11/00 , H04J13/00 , H04B7/185 , H04W4/00 , H04H20/71 , H04L5/26
CPC分类号： H04W72/1231 , G01S19/03 , G01S19/21 , H04J11/0023 , H04J11/0026 , H04J13/00 , H04L5/0073 , H04L5/0085 , H04L5/26 , H04W28/04 , H04W28/18 , H04W52/0216 , H04W72/1226 , H04W84/12 , H04W84/18 , Y02D70/00 , Y02D70/1242 , Y02D70/1262 , Y02D70/142 , Y02D70/144 , Y02D70/146 , Y02D70/164
摘要： In a method of synchronizing time domain multiplexing interference mitigation schemes of at least a first, second, and third wireless communication link within a first, second, and third network, respectively, a first set of parameters defining a first set of time intervals is determined. The first set of time intervals is utilized to schedule transmissions of the first wireless communication link to reduce interference with transmissions of the second wireless communication link. A second set of parameters defining a second set of time intervals is determined. The second set of time intervals is utilized to schedule transmissions of the first wireless communication link to reduce interference with transmissions of the third wireless communication link. The second set of parameters is determined based at least in part on at least one of the first set of parameters.
摘要翻译：在分别在第一，第二和第三网络内同步至少第一，第二和第三无线通信链路的时域复用干扰减轻方案的方法中，确定定义第一组时间间隔的第一组参数。第一组时间间隔被用于调度第一无线通信链路的传输以减少对第二无线通信链路的传输的干扰。确定定义第二组时间间隔的第二组参数。第二组时间间隔被用于调度第一无线通信链路的传输以减少对第三无线通信链路的传输的干扰。至少部分地基于第一组参数中的至少一个来确定第二组参数。

5. 发明授权

US08472381B1 Methods and apparatus for antenna spoofing 有权
标题翻译：天线欺骗的方法和装置
公开(公告)号：US08472381B1
公开(公告)日：2013-06-25
申请号：US12856421
申请日：2010-08-13
申请人： Jungwon Lee , Jihwan P. Choi , Hui-Ling Lou , Yakun Sun
发明人： Jungwon Lee , Jihwan P. Choi , Hui-Ling Lou , Yakun Sun
IPC分类号： H04W4/00
CPC分类号： H04B7/0456 , H04B7/0417 , H04B7/0608 , H04B7/0617 , H04B7/0671 , H04B7/12 , H04L25/0242 , H04L25/03898 , H04L25/03949 , H04L49/101
摘要： In a method for utilizing beamforming in a wireless communication system, reference signals corresponding to a first communication channel from a first communication device to a second communication device are received, and an estimate of the first communication channel is generated using the received reference signals. One or more transmit beamforming vectors are calculated using the estimate of the first communication channel, and the one or more transmit beamforming vectors are utilized to transmit signals via a second communication channel from the second communication device to the first communication device while the first communication device assumes that the first second communication device is not utilizing beamforming.
摘要翻译：在无线通信系统中利用波束形成的方法中，接收对应于从第一通信设备到第二通信设备的第一通信信道的参考信号，并且使用所接收的参考信号来生成第一通信信道的估计。使用第一通信信道的估计来计算一个或多个发射波束形成向量，并且利用一个或多个发射波束成形向量将信号经由第二通信信道从第二通信设备传输到第一通信设备，同时第一通信设备假设第一第二通信设备不使用波束形成。

6. 发明授权

US08130858B1 Method and apparatus for implementing transmit diversity in OFDM systems 有权
标题翻译：在OFDM系统中实现发射分集的方法和装置
公开(公告)号：US08130858B1
公开(公告)日：2012-03-06
申请号：US12129473
申请日：2008-05-29
申请人： Jungwon Lee , Jihwan P. Choi , Hui-Ling Lou , Rohit U. Nabar , Yakun Sun
发明人： Jungwon Lee , Jihwan P. Choi , Hui-Ling Lou , Rohit U. Nabar , Yakun Sun
IPC分类号： H04B7/02
CPC分类号： H04L27/2627 , H04B7/0413 , H04B7/0669 , H04B7/0671 , H04L1/0625 , H04L5/0023 , H04L5/0087 , H04L25/0204 , H04L25/03159 , H04L2025/03414 , H04L2025/03426
摘要： A plurality of phases are determined. The plurality of phases are to be applied to a plurality of transmit signals to be transmitted via a plurality of transmit antennas. Each transmit signal comprises a plurality of sub-carriers. Each phase of the plurality of phases is to be applied to a corresponding block of sub carriers in the plurality of transmit signals, and each block of sub-carriers comprises a plurality of sub-carriers that are adjacent in frequency. The plurality of phases are applied to the plurality of transmit signals to implement transmit diversity. Each phase is applied to the corresponding block of sub carriers in the plurality of transmit signals.
摘要翻译：确定多个阶段。多个相位应用于要经由多个发射天线发射的多个发射信号。每个发射信号包括多个子载波。将多个相位的每个相位施加到多个发射信号中的相应的子载波块，并且每个子载波块包括在频率上相邻的多个子载波。多个相位被施加到多个发射信号以实现发射分集。每个相位被施加到多个发射信号中的相应的子载波块。

7. 发明授权

US08914019B1 Feedback spoofing for coexistence among multiple wireless communication technologies 有权
标题翻译：反馈欺骗多种无线通信技术共存
公开(公告)号：US08914019B1
公开(公告)日：2014-12-16
申请号：US13553170
申请日：2012-07-19
申请人： Jihwan P. Choi , Ying Cai , Yakun Sun , Hui-Ling Lou
发明人： Jihwan P. Choi , Ying Cai , Yakun Sun , Hui-Ling Lou
IPC分类号： H04W24/00
CPC分类号： H04W72/1226 , H04L5/0091 , H04W72/048 , H04W72/082 , H04W72/1215 , H04W88/06
摘要： Apparatus having corresponding methods and computer-readable media comprise: a Mobile Wireless Standards (MWS) transceiver configured to transceive MWS signals in accordance with a schedule, wherein the schedule is based on link status reports transmitted by the MWS transceiver as part of the MWS signals; one or more Industrial, Scientific and Medical (ISM) band transceivers, wherein each ISM band transceiver is configured to transceive ISM band signals; and an arbiter configured to modify the link status reports, prior to transmission of the link status reports, based on at least one of i) an expected transmission of the ISM band signals by one of the ISM band transceivers, and ii) an expected reception of the ISM band signals by one of the ISM band transceivers.
摘要翻译：具有相应方法和计算机可读介质的装置包括：移动无线标准（MWS）收发机，其被配置为根据时间表收发MWS信号，其中所述调度基于由MWS收发机发送的作为MWS信号的一部分的链路状态报告 ; 一个或多个工业，科学和医疗（ISM）频带收发器，其中每个ISM频带收发机被配置为收发ISM频带信号; 以及仲裁器，其被配置为在传输所述链路状态报告之前，基于以下至少一个来修改所述链路状态报告：i）所述ISM频带收发机之一的ISM频带信号的预期传输，以及ii）预期接收的ISM频带收发器之一的ISM频带信号。

8. 发明授权

US08761302B1 Method and apparatus for implementing transmit diversity in OFDM systems 有权
标题翻译：在OFDM系统中实现发射分集的方法和装置
公开(公告)号：US08761302B1
公开(公告)日：2014-06-24
申请号：US13902961
申请日：2013-05-27
申请人： Jungwon Lee , Jihwan P. Choi , Hui-Ling Lou , Rohit U. Nabar , Yakun Sun
发明人： Jungwon Lee , Jihwan P. Choi , Hui-Ling Lou , Rohit U. Nabar , Yakun Sun
IPC分类号： H04L27/00
CPC分类号： H04L27/2627 , H04B7/0413 , H04B7/0669 , H04B7/0671 , H04L1/0625 , H04L5/0023 , H04L5/0087 , H04L25/0204 , H04L25/03159 , H04L2025/03414 , H04L2025/03426
摘要： A plurality of diagonal matrices Ci is determined, where the plurality of diagonal matrices Ci is for modifying a plurality of transmit signals to be transmitted via a plurality of transmit antennas, each diagonal matrix Ci for modifying an i-th block of sub-carriers, adjacent in frequency, in the plurality of transmit signals. The plurality of diagonal matrices Ci is used to modify the plurality of transmit signals to implement transmit diversity.
摘要翻译：确定多个对角矩阵Ci，其中多个对角矩阵Ci用于修改要经由多个发射天线发射的多个发射信号，用于修改第i个子载波块的每个对角矩阵Ci，频率相邻的多个发送信号。多个对角矩阵Ci用于修改多个发射信号以实现发射分集。

9. 发明授权

US08699644B1 Adaptive low-complexity channel estimation 有权
标题翻译：自适应低复杂度信道估计
公开(公告)号：US08699644B1
公开(公告)日：2014-04-15
申请号：US13282952
申请日：2011-10-27
申请人： Yakun Sun , Jiwoong Choi , Hui-Ling Lou , Rapheal Cendrillon
发明人： Yakun Sun , Jiwoong Choi , Hui-Ling Lou , Rapheal Cendrillon
IPC分类号： H04B1/10
CPC分类号： H04L25/0206 , H04L25/0204 , H04L25/0212 , H04L25/022 , H04L25/0228 , H04L27/2647 , H04L27/2649 , H04L27/38 , H04L2025/03535
摘要： Systems, methods, and other embodiments associated with adaptive low-complexity channel estimation are illustrated. In one embodiment a device includes a receiver configured to receive an orthogonal frequency-division multiplexed (OFDM) signal. The device also includes a controller configured to control a switch to select between processing paths based, at least in part, on the channel conditions of the OFDM signal. The processing paths selectable by the switch include a first processing path and a second processing path.
摘要翻译：示出了与自适应低复杂度信道估计相关联的系统，方法和其他实施例。在一个实施例中，设备包括被配置为接收正交频分复用（OFDM）信号的接收机。该设备还包括控制器，其被配置为至少部分地基于OFDM信号的信道条件来控制交换机在处理路径之间进行选择。由开关可选择的处理路径包括第一处理路径和第二处理路径。

10. 发明授权

US09124944B1 Synchronization of control signal transmissions for a multicast service 有权
标题翻译：多播服务的控制信号传输同步
公开(公告)号：US09124944B1
公开(公告)日：2015-09-01
申请号：US13292720
申请日：2011-11-09
申请人： Jihwan P. Choi , Hui-Ling Lou
发明人： Jihwan P. Choi , Hui-Ling Lou
IPC分类号： H04L12/28 , H04N21/6405 , H04J1/16 , H04L12/18
CPC分类号： H04N21/6405 , H04L12/1845 , H04L12/1877 , H04L12/1881
摘要： In a method for transmitting control signals in a multicast communication system, wherein the multicast communication system broadcasts one or more multicast channels, one or more occurrences of a first control signal are transmitted. The first control signal includes at least control information corresponding to the one or more multicast channels. Additionally, one or more occurrences of a second control signal are transmitted for each of the one or more multicast channels. The second control signal includes at least control information corresponding to the respective multicast channel. At least one transmission of an occurrence of the second control signal is synchronized with at least one transmission of an occurrence of the first control signal.
摘要翻译：在多播通信系统中发送控制信号的方法中，其中多播通信系统广播一个或多个多播信道，发送一个或多个出现的第一控制信号。第一控制信号至少包括与一个或多个多播信道相对应的控制信息。另外，针对一个或多个多播信道中的每一个发送一个或多个出现的第二控制信号。第二控制信号至少包括对应于各个多播信道的控制信息。第二控制信号的发生的至少一次发送与第一控制信号的发生的至少一次发送同步。

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