公开(公告)号：WO2006007299A1

公开(公告)日：2006-01-19

申请号：PCT/US2005/019884

申请日：2005-06-03

Applicant: INTEL CORPORATION ,  MALTSEV, Alexander ,  SADRI, Ali ,  TIRASPOLSKY, Sergey ,  FLAKSMAN, Alexander ,  DAVYDOV, Alexei

Inventor： MALTSEV, Alexander ,  SADRI, Ali ,  TIRASPOLSKY, Sergey ,  FLAKSMAN, Alexander ,  DAVYDOV, Alexei

IPC: H04J99/00 ,  H04B7/06 ,  H04B7/08 ,  H04L25/02 ,  H04L25/03 ,  H04L27/26

CPC classification number: H04B7/066 ,  H04B7/0617 ,  H04B7/0634 ,  H04B7/0641 ,  H04B7/0842 ,  H04L25/03343 ,  H04L2025/03414 ,  H04L2025/03783

Abstract: A multicarrier receiver generates a quantized transmit beamformer matrix (V) for each subcarrier of a multicarrier communication channel for use by a multicarrier transmitting station. The multicarrier receiver applies a corrected receiver beamformer matrix (U H ) to received subcarriers signals generated by signals received from the transmitting station.

Abstract translation: 多载波接收机为由多载波发射台使用的多载波通信信道的每个子载波生成量化的发射波束形成矩阵（V）。 多载波接收机对由从发射站接收的信号产生的接收到的子载波信号应用经校正的接收机波束形成矩阵（U H SUP）。

公开(公告)号：WO2007004910A1

公开(公告)日：2007-01-11

申请号：PCT/RU2005/000360

申请日：2005-06-30

Applicant: INTEL CORPORATION ,  MALTSEV, Alexander Alexandrovich ,  RUBTSOV, Alexey Evgenevich ,  PUDEYEV, Andrey Vyacheslavovich ,  SERGEYEV, Vadim Sergeyevich ,  TIRASPOLSKY, Sergey Alexandrovich ,  DAVYDOV, Alexey Vladimirovich

Inventor： MALTSEV, Alexander Alexandrovich ,  RUBTSOV, Alexey Evgenevich ,  PUDEYEV, Andrey Vyacheslavovich ,  SERGEYEV, Vadim Sergeyevich ,  TIRASPOLSKY, Sergey Alexandrovich ,  DAVYDOV, Alexey Vladimirovich

IPC: H04B1/707 ,  H04L27/00

CPC classification number: H04B1/70757 ,  H04L2027/0026

Abstract: An apparatus, system, method, and article for downlink (DL) preamble processing for initial acquisition are described. The apparatus may include an autocorrelator node to determine an autocorrelation response of samples and to detect a downlink preamble based on the autocorrelation response. The samples may include a periodic sequence having two or more periods. The apparatus may include a frequency domain matched filter processing node to perform downlink preamble recognition based on a maximum peak of a frequency domain matched filter response and on an index of the downlink preamble. Other embodiments are described and claimed.

Abstract translation: 描述用于初始采集的下行链路（DL）前导码处理的装置，系统，方法和文章。 该装置可以包括自相关器节点，用于确定采样的自相关响应并且基于自相关响应来检测下行链路前导码。 样本可以包括具有两个或更多个周期的周期序列。 该装置可以包括频域匹配滤波处理节点，用于基于频域匹配滤波器响应的最大峰值和下行链路前导码的索引来执行下行链路前导码识别。 描述和要求保护其他实施例。

公开(公告)号：WO2008039097A1

公开(公告)日：2008-04-03

申请号：PCT/RU2006/000507

申请日：2006-09-29

Applicant: INTEL CORPORATION ,  MALTSEV, Alexander Alexandrovich ,  RUBTSOV, Alexey Evgenevich ,  DAVYDOV, Alexey Vladimirovich ,  TIRASPOLSKY, Sergey Alexandrovich ,  PUDEYEV, Andrey Vyacheslavovich

Inventor： MALTSEV, Alexander Alexandrovich ,  RUBTSOV, Alexey Evgenevich ,  DAVYDOV, Alexey Vladimirovich ,  TIRASPOLSKY, Sergey Alexandrovich ,  PUDEYEV, Andrey Vyacheslavovich

IPC: H04L27/26 ,  H04L1/20

CPC classification number: H04L27/2608 ,  H04L1/20 ,  H04L27/0008

Abstract: A method and apparatus for determining a channel quality indicator (CQI) to be used in link adaptation for Orthogonal Frequency Division Multiplexing (OFDM) communications. In one embodiment of the invention, the CQI is based on a set of capacity values for subcarrier components in a received OFDM signal. In another embodiment, a minimum value from a running average of the set of capacity values is used to determine the CQI.

Abstract translation: 一种用于确定在正交频分复用（OFDM）通信的链路适配中使用的信道质量指示符（CQI）的方法和装置。 在本发明的一个实施例中，CQI基于接收的OFDM信号中的子载波分量的一组容量值。 在另一个实施例中，使用来自该组容量值的运行平均值的最小值来确定CQI。

公开(公告)号：WO2008039096A1

公开(公告)日：2008-04-03

申请号：PCT/RU2006/000506

申请日：2006-09-29

Applicant: INTEL CORPORATION ,  MALTSEV, Alexander Alexandrovich ,  PUDEYEV, Andrey Vyacheslavovich ,  DAVYDOV, Alexey Vladimirovich ,  TIRASPOLSKY, Sergey Alexandrovich ,  RUBTSOV, Alexey Evgenevich

Inventor： MALTSEV, Alexander Alexandrovich ,  PUDEYEV, Andrey Vyacheslavovich ,  DAVYDOV, Alexey Vladimirovich ,  TIRASPOLSKY, Sergey Alexandrovich ,  RUBTSOV, Alexey Evgenevich

IPC: H04L27/26

CPC classification number: H04L27/2613 ,  H04L25/022 ,  H04L27/2647

Abstract: A method and apparatus for identifying the preamble for an unknown signal received in Orthogonal Frequency Division Multiplexing (OFDM) communications. In one embodiment, the preamble is identified from a set of known preambles using a detection statistic based on a generalized likelihood ratio (GLR) method. In another embodiment, the GLR detection statistic relies on a priori assumptions about a transfer function represented by the received signal.

Abstract translation: 一种用于识别在正交频分复用（OFDM）通信中接收的未知信号的前导码的方法和装置。 在一个实施例中，使用基于广义似然比（GLR）方法的检测统计量，从一组已知的前导码中识别前导码。 在另一实施例中，GLR检测统计量依赖于关于由接收信号表示的传递函数的先验假设。

公开(公告)号：WO2006060241A1

公开(公告)日：2006-06-08

申请号：PCT/US2005/042319

申请日：2005-11-17

Applicant: INTEL CORPORATION ,  SADRI, Ali ,  SANDHU, Sumeet ,  MALTSEV, Alexander ,  PUDEYEV, Andrey ,  TIRASPOLSKY, Sergey ,  DAVYDOV, Alexei

Inventor： SADRI, Ali ,  SANDHU, Sumeet ,  MALTSEV, Alexander ,  PUDEYEV, Andrey ,  TIRASPOLSKY, Sergey ,  DAVYDOV, Alexei

IPC: H04L27/26 ,  H04B7/06

CPC classification number: H04L1/0026 ,  H04B7/0417 ,  H04B7/0613 ,  H04B7/0626 ,  H04L1/06 ,  H04L25/0204 ,  H04L25/03343 ,  H04L27/2647 ,  H04L2025/03414 ,  H04L2025/03426 ,  H04L2025/03802

Abstract: In a multiple-input multiple-output (MIMO) multicarrier communication system, a mobile station sends a quantized time-domain representation of the channel transfer function to a base station for use by the base station in generating beamforming coefficients for use in subsequent transmissions to the mobile station. In some embodiments, the quantized time-domain representation of the channel transfer function may be generated from selected most significant rays of an initial estimated sampled channel impulse response. Other embodiments may be described and claimed.

Abstract translation: 在多输入多输出（MIMO）多载波通信系统中，移动台向基站发送信道传递函数的量化时域表示，供基站用于生成波束形成系数以用于后续传输中 移动台。 在一些实施例中，信道传递函数的量化时域表示可以从初始估计采样信道脉冲响应的选定的最高有效射线产生。 可以描述和要求保护其他实施例。

公开(公告)号：WO2007105980A1

公开(公告)日：2007-09-20

申请号：PCT/RU2006/000120

申请日：2006-03-16

Applicant: INTEL CORPORATION ,  MALTSEV, Alexander Alexandrovich ,  PUDEYEV, Andrey Vyacheslavovich ,  RUBTSOV, Alexey Evgenievich ,  SERGEYEV, Vadim Sergeyevich ,  TIRASPOLSKY, Sergey Alexandrovich ,  DAVYDOV, Alexei Vladimirovich

Inventor： MALTSEV, Alexander Alexandrovich ,  PUDEYEV, Andrey Vyacheslavovich ,  RUBTSOV, Alexey Evgenievich ,  SERGEYEV, Vadim Sergeyevich ,  TIRASPOLSKY, Sergey Alexandrovich ,  DAVYDOV, Alexei Vladimirovich

IPC: H04L25/02 ,  H04L27/26

CPC classification number: H04L27/2647 ,  H04L25/023

Abstract: Embodiments of a multicarrier receiver with interference-aware demodulation and methods for channel estimation using recursive filtering in wireless networks are generally described herein. Other embodiments may be described and claimed. In some embodiments, orders of a recursive filter are allocated to track a main channel and one or more interfering channels to generate channel estimates.

Abstract translation: 具有干扰感知解调的多载波接收机和在无线网络中使用递归滤波的信道估计方法的实施例在这里通常被描述。 可以描述和要求保护其他实施例。 在一些实施例中，分配递归滤波器的顺序以跟踪主信道和一个或多个干扰信道以生成信道估计。

公开(公告)号：WO2007091908A1

公开(公告)日：2007-08-16

申请号：PCT/RU2006/000045

申请日：2006-02-06

Applicant: INTEL CORPORATION ,  MALTSEV, Alexander Alexandrovich ,  PUDEYEV, Andrey Vyacheslavovich ,  DAVYDOV, Alexei Vladimirovich ,  TIRASPOLSKY, Sergey Alexandrovich ,  RUBTSOV, Alexey Evgenevich

Inventor： MALTSEV, Alexander Alexandrovich ,  PUDEYEV, Andrey Vyacheslavovich ,  DAVYDOV, Alexei Vladimirovich ,  TIRASPOLSKY, Sergey Alexandrovich ,  RUBTSOV, Alexey Evgenevich

IPC: H04L25/02 ,  H04L1/06

CPC classification number: H04L25/0232 ,  H04L1/06 ,  H04L25/0206 ,  H04L25/024

Abstract: System and method for interference reduction in a broadband wireless access (BWA) network are disclosed. A mobile station performs a recursive process to update channel estimates of interfering channels on a symbol-by-symbol basis for use in canceling interference from data subcarriers received through two or more antennas.

Abstract translation: 公开了宽带无线接入（BWA）网络中用于干扰减少的系统和方法。 移动台执行递归处理以逐个符号地更新干扰信道的信道估计，以用于消除通过两个或多个天线接收的数据子载波的干扰。

公开(公告)号：WO2004086708A1

公开(公告)日：2004-10-07

申请号：PCT/RU2003/000124

申请日：2003-03-28

Applicant: INTEL CORPORATION ,  MALTSEV, Alexander A. ,  PUDEYEV, Andrey V. ,  SOUPIKOV, Alexei M. ,  TIRASPOLSKY, Sergey A.

Inventor： MALTSEV, Alexander A. ,  PUDEYEV, Andrey V. ,  SOUPIKOV, Alexei M. ,  TIRASPOLSKY, Sergey A.

IPC: H04L27/26

CPC classification number: H04L27/2675 ,  H04L7/041 ,  H04L7/10 ,  H04L27/2663 ,  H04L27/2665

Abstract: An OFDM packet is initially detected by auto-correlating short training symbols to generate an initial packet detection signal. The initial packet detection signal may be used to initiate a coarse timing synchronization process, which may use a short symbol matched filter. A coarse timing signal may be generated from at least some of the short training symbols by correlating sampled short training symbols with short filter matched coefficients. The coarse-timing signal may be used to initiate the operation of a fine timing synchronization process, which may use a long symbol matched filter. A fine timing signal may be generated from at least some of the long training symbols by correlating sampled long training symbols with long filter-matched coefficients. The fine timing signal may be used to initiate channel estimation by performing a Fast Fourier Transform (FFT) operation on the long training symbols. The fine timing signal may also be used to initiate data signal processing using the channel estimation and may include starting an FFT operation on data symbols.

Abstract translation: 最初通过自动相关短训练符号来检测OFDM分组，以产生初始分组检测信号。 初始分组检测信号可以用于发起可以使用短符号匹配滤波器的粗略定时同步过程。 通过将采样的短训练符号与短的滤波器匹配系数相关联，可以从至少一些短训练符号生成粗定时信号。 粗定时信号可以用于启动精细定时同步过程的操作，其可以使用长符号匹配滤波器。 通过将采样的长训练符号与长滤波器匹配系数相关联，可以从至少一些长训练符号生成精细定时信号。 精细定时信号可以用于通过对长训练符号执行快速傅里叶变换（FFT）操作来启动信道估计。 精细定时信号也可以用于使用信道估计来启动数据信号处理，并且可以包括对数据符号开始FFT操作。