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71. 发明申请

US20120294170A1 METHOD FOR TRANSMITTING FRAME WITH INTERFERENCE AVOIDANCE IN WIRELESS LOCAL AREA NETWORK SYSTEM AND APPRATUS FOR THE SAME 审中-公开
标题翻译：用于在无线局域网系统中发送具有干扰避免的帧的方法及其设备
公开(公告)号：US20120294170A1
公开(公告)日：2012-11-22
申请号：US13413961
申请日：2012-03-07
申请人： Heejung YU , Hun Sik Kang , Sok Kyu Lee
发明人： Heejung YU , Hun Sik Kang , Sok Kyu Lee
IPC分类号： H04W24/00 , H04W84/12
CPC分类号： H04W72/082 , H04B7/0617 , H04L25/0242
摘要： A method for transmitting a frame in a wireless local area network system is provided. The method includes obtaining, by a station (STA), interference channel information of an interference channel between the STA and neighbor STA that is a frame transmission object of an access point (AP); determining, by the STA, a transmitting beam vector based on the interference channel information; and transmitting, by the STA, a data frame to a transmission target STA using a multiple input multiple output (MIMO) transmission based on the transmitting beam vector.
摘要翻译：提供了一种在无线局域网系统中发送帧的方法。该方法包括：通过站（STA）获取作为接入点（AP）的帧传输对象的STA与相邻STA之间的干扰信道的干扰信道信息; 由所述STA确定基于所述干扰信道信息的发射波束矢量; 以及基于所述发送波束矢量，通过所述STA将使用多输入多输出（MIMO）传输的数据帧发送到发送目标STA。

72. 发明授权

US08315335B2 OFDM spectral control 有权
标题翻译： OFDM频谱控制
公开(公告)号：US08315335B2
公开(公告)日：2012-11-20
申请号：US12541426
申请日：2009-08-14
申请人： Paul Wilkinson Dent , Ali S. Khayrallah
发明人： Paul Wilkinson Dent , Ali S. Khayrallah
IPC分类号： H04K1/02
CPC分类号： H04L27/2626 , H04L25/0202 , H04L25/0242 , H04L27/2634 , H04L27/2647
摘要： A method and apparatus for configuring a variable filter in an OFDM transmitter based on the number of subcarrier frequencies selected for the input data block is described herein. An exemplary OFDM transmitter comprises a control unit, OFDM modulator, and variable filter. The control unit selects the number of subcarriers for the input data block, and configures one or more filter properties for the variable filter based on the selected number of subcarriers. The modulator, which has a size greater than the selected number of subcarriers, pads an input data block generated for the selected number of subcarriers to generate an expanded data block having a size equal to the size of the modulator, and modulates the expanded data block to generate an OFDM signal. The filter, as configured by the control unit, filters the OFDM signal.
摘要翻译：这里描述了一种基于为输入数据块选择的子载波频率的数量来配置OFDM发射机中的可变滤波器的方法和装置。示例性OFDM发射机包括控制单元，OFDM调制器和可变滤波器。控制单元选择输入数据块的子载波数，并且基于所选择的子载波数量来配置可变滤波器的一个或多个滤波器特性。具有大于所选择的副载波数量的调制器，对于所选择的子载波数量产生的输入数据块，以产生具有等于调制器大小的扩展数据块，并调制扩展数据块以产生OFDM信号。由控制单元配置的滤波器对OFDM信号进行滤波。

73. 发明授权

US08300677B2 Signal detecting method and device for multi-codeword MIMO system 有权
标题翻译：用于多码字MIMO系统的信号检测方法和装置
公开(公告)号：US08300677B2
公开(公告)日：2012-10-30
申请号：US12981878
申请日：2010-12-30
申请人： Meng Hua , Gengshi Wu , Chunling Zhang , Shurong Jiao
发明人： Meng Hua , Gengshi Wu , Chunling Zhang , Shurong Jiao
IPC分类号： H04B1/00
CPC分类号： H04L1/06 , H04L25/0242
摘要： A signal detecting method and device for a multi-codeword multi-input multi-output (MIMO) system are provided, which are used in the field of communication and solve the problem that it is complex to implement a signal detecting method in the multi-codeword MIMO system and the error between the signal obtained through detection and the signal actually transmitted from the transmitting end is large. The method includes: converting a received complex number signal into a real number signal; performing channel estimation to obtain a channel matrix; correcting the channel matrix to obtain an equivalent corrected matrix; generating an equivalent detecting signal according to the equivalent corrected matrix and the real number signal obtained through conversion; quantizing the equivalent detecting signal to obtain an equivalent quantized detecting signal; and generating a signal transmitted from a transmitting end according to the equivalent quantized detecting signal. The method and device can be applied in a receiving device of a multi-codeword MIMO system.
摘要翻译：提供了一种用于多码字多输入多输出（MIMO）系统的信号检测方法和装置，其用于通信领域，并且解决了在多通道中实现信号检测方法复杂的问题，码字MIMO系统和通过检测获得的信号与从发送端实际发送的信号之间的误差大。该方法包括：将接收到的复数信号转换为实数信号; 执行信道估计以获得信道矩阵; 校正信道矩阵以获得等效校正矩阵; 根据等效校正矩阵和通过转换获得的实数信号产生等效检测信号; 量化等效检测信号以获得等效量化检测信号; 以及根据等效量化检测信号生成从发送端发送的信号。该方法和装置可以应用于多码字MIMO系统的接收装置中。

74. 发明申请

US20120250541A1 METHOD FOR TRANSMITTING EFFECTIVE CHANNEL STATUS INFORMATION IN WIRELESS COMMUNICATION SYSTEM SUPPORTING MULTIPLE CARRIERS 有权
标题翻译：支持多载波无线通信系统发送有效通道状态信息的方法
公开(公告)号：US20120250541A1
公开(公告)日：2012-10-04
申请号：US13244209
申请日：2011-09-23
申请人： Hyunsoo Ko , Moonil Lee
发明人： Hyunsoo Ko , Moonil Lee
IPC分类号： H04L12/26
CPC分类号： H04L5/0053 , H04B7/0456 , H04L1/0009 , H04L1/0026 , H04L1/0029 , H04L1/06 , H04L5/001 , H04L5/0023 , H04L5/0057 , H04L25/0242 , H04L25/03898 , H04L27/18 , H04W24/10
摘要： A method and apparatus for transmitting effective channel status information (CSI) in a wireless communication system supporting multiple carriers are disclosed. The method for indicating CSI transmission in a wireless communication system supporting multiple carriers includes transmitting downlink control information (DCI) including a channel quality information (CQI) request field to a user equipment (UE) over a physical downlink control channel (PDCCH), and receiving CSI reporting of a single downlink carrier or multiple downlink carriers from the UE over a physical uplink shared channel (PUSCH) without receiving uplink data. If the CSI for the single downlink carrier is reported, the number (NPRB) of resource blocks (RBs) established for the CSI reporting is identical to or less than X (NPRB≦X), and if the CSI for the multiple downlink carriers is reported, NPRB is identical to or less than M (where M>X).
摘要翻译：公开了一种用于在支持多个载波的无线通信系统中发送有效信道状态信息（CSI）的方法和装置。在支持多个载波的无线通信系统中，用于指示CSI发送的方法包括通过物理下行链路控制信道（PDCCH）向用户装置（UE）发送包括信道质量信息（CQI）请求字段的下行链路控制信息（DCI），以及通过物理上行链路共享信道（PUSCH）从UE接收单个下行链路载波或多个下行链路载波的CSI报告，而不接收上行链路数据。如果报告单个下行链路载波的CSI，则为CSI报告建立的资源块（RB）的数量（NPRB）等于或小于X（NPRB＆nlE; X），并且如果多个下行链路载波的CSI为报道，NPRB等于或小于M（其中M> X）。

75. 发明申请

US20120230233A1 CLOSED-LOOP MIMO SYSTEMS AND METHODS 有权
标题翻译：闭环MIMO系统和方法
公开(公告)号：US20120230233A1
公开(公告)日：2012-09-13
申请号：US13435002
申请日：2012-03-30
申请人： Ming JIA , Jianglei MA , Wen TONG , Peiying ZHU
发明人： Ming JIA , Jianglei MA , Wen TONG , Peiying ZHU
IPC分类号： H04L25/49 , H04L27/06 , H04B1/38 , H04L5/16
CPC分类号： H04L5/0048 , H04B7/0417 , H04B7/0456 , H04B7/0634 , H04B7/0639 , H04L5/14 , H04L25/0204 , H04L25/0224 , H04L25/0242 , H04L25/03343 , H04L27/2601 , H04L27/2613 , H04L2025/03426 , H04L2025/03802
摘要： Methods, devices and systems are provided for transmitting and receiving MIMO signals. In one embodiment, transmitting_of the MIMO signals involves pre-coding each of at least two data symbols using a respective pre-coding codeword to preclude a corresponding plurality of pre-coded data symbols. A respective signal is transmitted from each of a plurality of antennas, the respective signal including one of the pre-coded signals and at least one pilot for use in channel estimation. The signals collectively further include at least one beacon pilot vector consisting of a respective beacon pilot per antenna, the beacon pilot vector containing contents known to a receiver for use by the receiver in determining the codeword used to pre-code the at least one data signal.
摘要翻译：提供了发送和接收MIMO信号的方法，设备和系统。在一个实施例中，MIMO信号的传输涉及使用相应的预编码码字对至少两个数据符号中的每一个进行预编码，以排除对应的多个预编码数据符号。相应的信号从多个天线中的每一个发送，各个信号包括一个预编码信号和至少一个导频，用于信道估计。信号集体地进一步包括由每个天线的每个信标导频组成的至少一个信标导频向量，信标导频向量包含接收机已知的内容，以供接收机在确定用于对所述至少一个数据信号进行预编码的码字时使用。

76. 发明授权

US08249206B2 Method and apparatus for channel estimation in communication systems, and related computer program product 有权
标题翻译：通信系统中信道估计的方法和装置，以及相关的计算机程序产品
公开(公告)号：US08249206B2
公开(公告)日：2012-08-21
申请号：US12201218
申请日：2008-08-29
申请人： Edoardo Gallizio , Sandro Bellini , Alessandro Tomasoni
发明人： Edoardo Gallizio , Sandro Bellini , Alessandro Tomasoni
IPC分类号： H04B1/00
CPC分类号： H04L27/2647 , H04L25/0224 , H04L25/0242
摘要： A method of channel estimation in orthogonal frequency-division multiplexing communication employing three or more subcarriers, wherein frequency correlation exists between the subcarriers. The method includes: calculating a coarse channel estimate for each of the subcarriers, and calculating from the coarse channel estimates refined channel estimates for each of the subcarriers, wherein calculation of the refined channel estimates includes calculating the parameters of a Wiener Filter having a length of 2 L+1, where L is a positive integer, and filtering the coarse channel estimates with the Wiener Filter.
摘要翻译：一种使用三个或更多个子载波的正交频分复用通信中的信道估计方法，其中在子载波之间存在频率相关。该方法包括：计算每个子载波的粗信道估计，以及从粗信道估计每个子载波的精细信道估计，其中精细信道估计的计算包括计算维纳滤波器的参数，该维纳滤波器的长度为 2 L + 1，其中L是正整数，并且使用维纳滤波器对粗信道估计进行滤波。

77. 发明授权

US08204434B2 Data transmission system for transmitting data via relay having multiple antennas 有权
标题翻译：用于经由具有多个天线的中继器发送数据的数据传输系统
公开(公告)号：US08204434B2
公开(公告)日：2012-06-19
申请号：US12425179
申请日：2009-04-16
申请人： Namyoon Lee , Young-Doo Kim , Eung Sun Kim
发明人： Namyoon Lee , Young-Doo Kim , Eung Sun Kim
IPC分类号： H04B7/14
CPC分类号： H04B7/155 , H04L25/0204 , H04L25/0224 , H04L25/0242 , H04L25/03343
摘要： Disclosed is a data transmission system that transmits data using a relay. During a first time slot, a base station may transmit base station data to the relay, and a mobile station may transmit mobile station data to the relay. During a second time slot, the relay may transmit the mobile station data to the base station, and transmit the base station data to the mobile station.
摘要翻译：公开了使用中继发送数据的数据传输系统。在第一时隙期间，基站可以向中继发送基站数据，并且移动台可以向中继发送移动站数据。在第二时隙期间，中继可以将移动站数据发送到基站，并将基站数据发送到移动站。

78. 发明申请

US20120151305A1 FILTERING METHOD, SYSTEM AND EQUIPMENT 有权
标题翻译：过滤方法，系统和设备
公开(公告)号：US20120151305A1
公开(公告)日：2012-06-14
申请号：US13399170
申请日：2012-02-17
申请人： Pengrui Zhang , Guozhu Long , Cheng Li , Huishen Dong , Yuchen Jia
发明人： Pengrui Zhang , Guozhu Long , Cheng Li , Huishen Dong , Yuchen Jia
IPC分类号： G06F11/07
CPC分类号： H04B3/32 , H04B7/0654 , H04B7/0658 , H04L25/0204 , H04L25/0242 , H04L25/03343 , H04L27/2601
摘要： A filtering method, system, and equipment applied in digital communication technologies are disclosed in the embodiments of the present invention. The filtering method of the present embodiments includes: acquiring filtering coefficients of a part of all subcarriers according to data transmission errors; acquiring filtering coefficients of remaining subcarriers through an interpolation algorithm according to the filtering coefficients of the part of subcarriers; and finally, filtering the data corresponding to the multiple subcarriers according to the filtering coefficients of the part of subcarriers and the filtering coefficients of the remaining subcarriers. The part of subcarriers may be selected at a regular interval, or may be subcarriers which are located at a motion value away from the part of subcarriers selected in the previous update of the filtering coefficients. The method of the present embodiments reduces the amount of operation and hardware expenditure, and saves the cost.
摘要翻译：在本发明的实施例中公开了一种在数字通信技术中应用的滤波方法，系统和设备。本实施例的滤波方法包括：根据数据传输错误获取所有子载波的一部分的滤波系数; 根据部分子载波的滤波系数，通过插值算法获取剩余子载波的滤波系数; 最后，根据子载波部分的滤波系数和剩余子载波的滤波系数，对与多个子载波对应的数据进行滤波。可以以规则的间隔选择子载波的一部分，或者可以是位于远离在先前更新滤波系数中的子载波的部分的运动值的子载波。本实施例的方法减少了操作量和硬件支出，并节省了成本。

79. 发明授权

US08199863B2 Multiple-antenna space multiplexing system using enhancement signal detection and method thereof 有权
标题翻译：使用增强信号检测的多天线空间复用系统及其方法
公开(公告)号：US08199863B2
公开(公告)日：2012-06-12
申请号：US12527644
申请日：2008-04-11
申请人： Peng Chen , Young-Hak Kim
发明人： Peng Chen , Young-Hak Kim
IPC分类号： H03D1/04 , H03D1/06 , H03K5/01 , H03K6/04 , H04B1/10 , H04L1/00 , H04L25/08
CPC分类号： H04L1/0631 , H04B7/0413 , H04B7/0669 , H04B7/0697 , H04L1/0656 , H04L5/0023 , H04L25/022 , H04L25/0238 , H04L25/0242 , H04L25/03006 , H04L25/03114 , H04L2025/03426
摘要： The multiple-antenna space multiplexing system using enhancement signal detection comprising: a code modulation module for coding and modulating bit information; a signal transmission module for transmitting the modulated signals; a signal reception module for receiving the signals; a signal form transform module for transforming form of a channel matrix H and the received signal vector r; a signal detection module for detecting the received signals; a signal reconstruction module for reconstructing the detection results of in the signal detection module, and obtaining a detected signal; a demodulation decoding module for demodulating and decoding the output of the signal reconstruction module, and outputting bit information. Compared with the conventional detection methods, the system performance is improved in considering the realization complexity.
摘要翻译：使用增强信号检测的多天线空间复用系统包括：用于编码和调制比特信息的码调制模块; 用于发送调制信号的信号传输模块; 用于接收信号的信号接收模块; 用于变换信道矩阵H和接收信号矢量r的信号形式变换模块; 信号检测模块，用于检测所接收的信号; 信号重建模块，用于重建信号检测模块中的检测结果，并获得检测信号; 解调解码模块，用于对信号重建模块的输出进行解调和解码，并输出比特信息。与常规检测方法相比，考虑到复杂度的提高，系统性能得到提高。

80. 发明申请

US20120128109A1 NOISE ESTIMATION FORWIRELESS COMMUNICATION 有权
标题翻译：噪声估计无线通信
公开(公告)号：US20120128109A1
公开(公告)日：2012-05-24
申请号：US13361610
申请日：2012-01-30
申请人： Mark S. Wallace , Peter Monsen
发明人： Mark S. Wallace , Peter Monsen
IPC分类号： H04B1/10
CPC分类号： H04L1/20 , H04L25/0242 , H04L25/03305 , H04L27/2613 , H04L27/2647 , H04L2025/03414 , H04L2025/03426
摘要： Techniques for deriving and using noise estimate for data reception in a wireless communication system are described. A noise estimate may be derived for each packet received in a data transmission. Data detection may then be performed for each packet using the noise estimate for that packet. For noise estimation, a first sample sequence and a second sample sequence may be obtained from each receiver used for data reception. A phase offset between the first and second sample sequences may be determined and applied to the first sample sequence for each receiver to obtain a third sample sequence for that receiver. A noise estimate may then be derived based on the power of the differences between the second and third sample sequences for the at least one receiver.
摘要翻译：描述了在无线通信系统中导出和使用数据接收的噪声估计的技术。可以为在数据传输中接收的每个分组导出噪声估计。然后可以使用该分组的噪声估计对每个分组执行数据检测。对于噪声估计，可以从用于数据接收的每个接收机获得第一采样序列和第二采样序列。可以确定第一和第二采样序列之间的相位偏移并将其应用于每个接收机的第一采样序列，以获得该接收机的第三采样序列。然后可以基于对于至少一个接收器的第二和第三采样序列之间的差的功率来导出噪声估计。

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