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    Antenna array calibration for wireless communication systems
    2.
    发明专利
    Antenna array calibration for wireless communication systems 有权
    无线通信系统的天线阵列校准

    公开(公告)号：JP2012165389A

    公开(公告)日：2012-08-30

    申请号：JP2012040100

    申请日：2012-02-27

    Applicant: Qualcomm Inc ,  クゥアルコム・インコーポレイテッドQualcomm Incorporated

    Inventor： NAGUIB AYMAN FAWZY ,  ALEXEI GOROKHOV ,  VIJAYAN RAJIV

    IPC: H04B7/10

    Abstract: PROBLEM TO BE SOLVED: To provide a system and/or methodology of calibrating in antenna arrays employed in wireless communication devices.SOLUTION: A receiver observes an overall or equivalent channel between input of a transmitter digital to analog converter (DAC) and output of a receiver analog to digital converter (ADC). Calibration for a transmit chain of a device transmitting information to multiple devices over wireless links includes selecting from two or more calibration determination techniques. In certain aspects, the techniques include phase only calibration and phase and amplitude calibration.

    Abstract translation: 要解决的问题：提供在无线通信设备中采用的天线阵列中的校准系统和/或方法。 解决方案：接收机观察发射机数模转换器（DAC）的输入和接收机模数转换器（ADC）的输出之间的总体或等效通道。 通过无线链路向多个设备发送信息的设备的发射链的校准包括从两个或更多个校准确定技术中进行选择。 在某些方面，这些技术包括仅相位校准和相位和幅度校准。 版权所有（C）2012，JPO＆INPIT

    Time-varying cyclic delay diversity of ofdm
    4.
    发明专利
    Time-varying cyclic delay diversity of ofdm 有权
    OFDM的时变周期延迟多样性

    公开(公告)号：JP2013102463A

    公开(公告)日：2013-05-23

    申请号：JP2012277645

    申请日：2012-12-20

    Applicant: Qualcomm Inc ,  クゥアルコム・インコーポレイテッドQualcomm Incorporated

    Inventor： NAGUIB AYMAN FAWZY ,  AGRAWAL AVNEESH

    IPC: H04J99/00 ,  H04B7/005 ,  H04B7/02 ,  H04B7/04 ,  H04B7/06 ,  H04J11/00 ,  H04L1/00 ,  H04L1/06 ,  H04L25/02 ,  H04L27/26

    CPC classification number: H04B7/0671 ,  H04B7/0417 ,  H04B7/0632 ,  H04B7/0673 ,  H04L1/0003 ,  H04L1/0009 ,  H04L1/0026 ,  H04L1/0071 ,  H04L1/0618 ,  H04L25/0224 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2631 ,  H04L27/2647 ,  H04W52/42

    Abstract: PROBLEM TO BE SOLVED: To provide methods and apparatuses that apply a time-varying delay to symbols to be transmitted from one or more antennas.SOLUTION: A transmit data processor 202 demultiplexes transmit data into Nnumber of data streams, and encodes and interleaves the data streams. A MIMO processor 204 causes the Nnumber of data streams to undergo symbol mapping and modulation to generate modulation symbols, which are then converted into their time-domain representations in IFFT blocks, provided with a cyclic prefix, and each provided with a time-varying delay. In one embodiment, the delay varies among a plurality of symbols to be consecutively transmitted. In another embodiment, all of the symbols in a frame or burst period have the same delay with each frame or burst period having a different delay for each symbol than a preceding or following frame or burst period.

    Abstract translation: 要解决的问题：提供对从一个或多个天线发送的符号应用时变延迟的方法和装置。 解决方案：发送数据处理器202将发送数据解复用为N T“数据流，并对数据流进行编码和交织。 MIMO处理器204使数据流的N T“数量进行符号映射和调制以产生调制符号，然后将调制符号转换成它们在IFFT块中的时域表示，提供 具有循环前缀，并且每个具有时变延迟。 在一个实施例中，延迟在要连续发送的多个符号之间变化。 在另一个实施例中，帧或突发周期中的所有符号具有相同的延迟，每个帧或突发周期对于每个符号具有与先前或后续帧或突发周期不同的延迟。 版权所有（C）2013，JPO＆INPIT

    Reception of h-arq transmissions with interference cancellation in a quasi-orthogonal communication system
    5.
    发明专利
    Reception of h-arq transmissions with interference cancellation in a quasi-orthogonal communication system 有权
    接收正交通信系统中干扰消除的H-ARQ传输

    公开(公告)号：JP2012120193A

    公开(公告)日：2012-06-21

    申请号：JP2012000250

    申请日：2012-01-04

    Applicant: Qualcomm Inc ,  クゥアルコム・インコーポレイテッドQualcomm Incorporated

    Inventor： NAGUIB AYMAN FAWZY ,  ALEXEI GOROKHOV ,  DHANANJAY ASHOK GORE ,  JI TINGFANG ,  SUTIVONG ARAK

    IPC: H04J11/00 ,  H04B7/04 ,  H04J1/00 ,  H04W28/04

    CPC classification number: H04L1/1819 ,  H04B2001/7152 ,  H04L5/0023 ,  H04L25/0224

    Abstract: PROBLEM TO BE SOLVED: To provide a method for receiving packets via H-ARQ transmissions with interference cancellation in a quasi-orthogonal communication system.SOLUTION: To receive packets with interference cancellation, block transmissions for the packets are received on time-frequency blocks used by these packets. Receiver spatial processing is performed on input symbols to obtain detected symbols. For each packet that is decoded correctly, the transmission for the packet is terminated, and the interference due to the packet is estimated. Receiver spatial processing is performed on the interference-canceled symbols to obtain new detected symbols for all time-frequency blocks used by all correctly decoded packets. Each packet decoded in error and overlapping at least partially with any correctly decoded packet may be demodulated and decoded based on all detected symbols available for that packet.

    Abstract translation: 要解决的问题：提供一种在准正交通信系统中通过具有干扰消除的H-ARQ传输来接收分组的方法。 解决方案：为了接收具有干扰消除的分组，在这些分组使用的时间频率块上接收分组的块传输。 对输入符号执行接收机空间处理以获得检测符号。 对于正确解码的每个分组，分组的传输被终止，并且估计由于分组引起的干扰。 对干扰消除的符号进行接收机空间处理，以获得由所有正确解码的分组使用的所有时间频率块的新的检测符号。 至少部分地与任何正确解码的分组进行错误解码和重叠的每个分组可以基于可用于该分组的所有检测到的符号进行解调和解码。 版权所有（C）2012，JPO＆INPIT

    Multiplexing of feedback channels in wireless communication system
    6.
    发明专利
    Multiplexing of feedback channels in wireless communication system 审中-公开
    无线通信系统中反馈信道的多路复用

    公开(公告)号：JP2013062799A

    公开(公告)日：2013-04-04

    申请号：JP2012198772

    申请日：2012-09-10

    Applicant: Qualcomm Inc ,  クゥアルコム・インコーポレイテッドQualcomm Incorporated

    Inventor： NAGUIB AYMAN FAWZY ,  JI TINGFANG

    IPC: H04W72/02 ,  H04J11/00 ,  H04J99/00

    CPC classification number: H04L27/2602 ,  H04L5/0007 ,  H04L5/0053

    Abstract: PROBLEM TO BE SOLVED: To efficiently send signaling in a wireless communication system.SOLUTION: A different subset of subcarriers in each of at least one tile is allocated to each feedback channel. A subscriber station may determine time frequency resources including first and second portions of time frequency resources for first and second feedback channels, respectively. The subscriber station may send vectors of modulation symbols of a first length on the first feedback channel and/or vectors of modulation symbols of a second length on the second feedback channel. A base station may receive the first and second feedback channels and may perform detection on vectors of received symbols for each feedback channel to recover the signaling sent on that feedback channel.

    Abstract translation: 要解决的问题：在无线通信系统中有效地发送信令。 解决方案：将至少一个瓦片中的每一个中的子载波的不同子集分配给每个反馈信道。 用户站可以分别确定包括第一和第二反馈信道的时间频率资源的第一和第二部分的时间频率资源。 订户站可以在第一反馈信道上发送第一长度的调制符号向量和/或在第二反馈信道上发送第二长度的调制符号向量。 基站可以接收第一和第二反馈信道，并且可以对每个反馈信道的接收符号的向量执行检测，以恢复在该反馈信道上发送的信令。 版权所有（C）2013，JPO＆INPIT

    System and method for power control in wireless communication system
    7.
    发明专利
    System and method for power control in wireless communication system 有权
    无线通信系统功率控制系统与方法

    公开(公告)号：JP2011188529A

    公开(公告)日：2011-09-22

    申请号：JP2011121189

    申请日：2011-05-31

    Applicant: Qualcomm Inc ,  クゥアルコム・インコーポレイテッドQualcomm Incorporated

    Inventor： NAGUIB AYMAN FAWZY ,  AGRAWAL AVNEESH

    IPC: H04J11/00 ,  G11C5/00 ,  H04B1/713 ,  H04B7/005 ,  H04B7/06 ,  H04B7/12 ,  H04J99/00 ,  H04L27/26

    CPC classification number: H04L27/2624 ,  H04W52/34 ,  H04W52/42

    Abstract: PROBLEM TO BE SOLVED: To provide a system and method for power control in a wireless communication system. SOLUTION: A system and method for controlling transmission power are provided. The system and method vary the power of a signal provided to a power amplifier, based on the location of a frequency or frequencies of signals to be transmitted within the transmission frequency band, the location of a hop region within the transmission frequency band, the location of a frequency or frequency band of signals to be transmitted, or the combinations of these approaches. COPYRIGHT: (C)2011,JPO&INPIT

    Abstract translation: 要解决的问题：提供一种用于无线通信系统中的功率控制的系统和方法。 解决方案：提供一种用于控制传输功率的系统和方法。 该系统和方法基于在发送频带内要发送的信号的频率或频率的位置，发送频带内的跳频区域的位置，位置 要发送的信号的频率或频带，或这些方法的组合。 版权所有（C）2011，JPO＆INPIT

    BEAM SPACE-TIME CODING BASED ON CHANNEL QUALITY FEEDBACK
    8.
    发明专利
    BEAM SPACE-TIME CODING BASED ON CHANNEL QUALITY FEEDBACK 审中-公开

    公开(公告)号：JP2013255234A

    公开(公告)日：2013-12-19

    申请号：JP2013139045

    申请日：2013-07-02

    Applicant: QUALCOMM INC

    Inventor： NAGUIB AYMAN FAWZY

    IPC: H04B7/06 ,  H04B7/02 ,  H04B7/10 ,  H04J99/00

    Abstract: PROBLEM TO BE SOLVED: To increase a diversity gain at a receiver by applying beamforming to a transmit diversity space-time coded signal.SOLUTION: A transmit stream including pilot signals is generated (710) and separated into G groups (720); the G signal streams are then time diversity/space time encoded (730); and the G encoded signal streams are divided into a group of K signals (740). CQI values are received and processed (750); a weight vector is generated for each of the G groups (760); each of the K signal streams in each of the G groups is weighted based on the weight vector (770); and the transmitter system proceeds to the block 780 to transmit the signals over N=G×K antennas (780).

    Beam space time coding and transmit diversity
    10.
    发明专利
    Beam space time coding and transmit diversity 有权
    光束空间时间编码和传输多样性

    公开(公告)号：JP2013153473A

    公开(公告)日：2013-08-08

    申请号：JP2013039824

    申请日：2013-02-28

    Applicant: Qualcomm Inc ,  クゥアルコム・インコーポレイテッドQualcomm Incorporated

    Inventor： NAGUIB AYMAN FAWZY

    IPC: H04B7/02 ,  H04B7/10 ,  H04J99/00 ,  H04W16/28

    CPC classification number: H04B7/0667 ,  H04B7/0617 ,  H04B7/0669 ,  H04B7/0671 ,  H04L1/0625

    Abstract: PROBLEM TO BE SOLVED: To increase diversity gain at a receiver by applying beamforming to transmit diversity space-time coded signals.SOLUTION: A transmit signal is space-time coded over a plurality of space-time antenna groups, with each space-time antenna group associated with a specific space-time code. The signal at each space-time antenna group is beamformed by a plurality of antennas in the space-time antenna group. Each of the plurality of antennas in a space-time antenna group is weighted with a distinct weight relative to the other antennas in the space-time group. Each weight can have a distinct amplitude, phase, or combination of an amplitude and a phase. The weights can be static or dynamic. The dynamic weights can vary the amplitude, the phase, or the combination of the amplitude and the phase of each weight over time.

    Abstract translation: 要解决的问题：通过应用波束形成来增加接收机的分集增益，以发射分集时空编码信号。解决方案：发射信号在多个时空天线组上进行空时编码，每个时空天线 组与特定的时空代码相关联。 每个时空天线组中的信号由时空天线组中的多个天线波束形成。 空时天线组中的多个天线中的每一个相对于时空组中的其他天线以相同的权重加权。 每个重量可以具有不同的振幅，相位或振幅和相位的组合。 权重可以是静态或动态的。 动态权重可以随时间改变振幅，相位或每个权重的振幅和相位的组合。

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