Method and apparatus for single carrier and OFDM sub-block transmission
    71.
    发明授权
    Method and apparatus for single carrier and OFDM sub-block transmission 有权
    用于单载波和OFDM子块传输的方法和装置

    公开(公告)号:US08418040B2

    公开(公告)日:2013-04-09

    申请号:US12248786

    申请日:2008-10-09

    Applicant: Ismail Lakkis

    Inventor: Ismail Lakkis

    CPC classification number: H04B1/69 H04B1/707

    Abstract: A wireless device comprises a code-assignment module configured for assigning Golay codes to be used for spreading, a spreading module configured for spreading data with the Golay codes to produce a signal, wherein the Golay codes are randomly used to spread the data, and a transmitter configured for transmitting the signal. The wireless device may transmit a first beacon signal via a set of quasi-omni beam patterns, and a second beacon signal via a set directional beam patterns. The first beacon signal has a first transmission rate that is higher than the second beacon signal's the transmission rate. Extended Golay codes having zero periodic cross-correlation may be generated from a Golay code and a set of short sequences. A data block transmitted by the wireless device may comprise Golay codes and data portions, wherein every data portion is between two Golay codes and every Golay code is between two data portions.

    Abstract translation: 一种无线装置,包括配置用于分配要用于扩展的Golay码的码分配模块,配置成用Golay码扩展数据以产生信号的扩展模块,其中随机使用Golay码来传播数据, 发射机被配置为发送信号。 无线设备可以经由一组准全波束模式发送第一信标信号,并且经由设置的定向波束模式发送第二信标信号。 第一信标信号具有比第二信标信号的传输速率高的第一传输速率。 可以从Golay码和一组短序列生成具有零周期互相关的扩展Golay码。 由无线设备发送的数据块可以包括Golay码和数据部分,其中每个数据部分在两个Golay码之间,并且每个Golay码在两个数据部分之间。

    SYSTEMS AND METHODS FOR INDOOR POSITIONING
    74.
    发明申请
    SYSTEMS AND METHODS FOR INDOOR POSITIONING 有权
    室内定位系统与方法

    公开(公告)号:US20120002702A1

    公开(公告)日:2012-01-05

    申请号:US13151246

    申请日:2011-06-01

    Abstract: A positioning system comprises a plurality of controllers, each controller comprising a wideband receiver and a narrow band transmitter, the each controller configured to receive a wideband positioning frame using the wideband receiver from one or more devices and to transmit acknowledgement frames using the narrow band transmitter that include timing and control data for use by the devices to establish timing for transmission of the positioning frame; and at least one device comprising a wideband transmitter and a narrow band receiver, the device configured to transmit a positioning frame to the plurality of controllers using the wideband transmitter and to receive an acknowledgement frame from one or more controllers using the narrow band receiver, extract timing and control information from the frame, and adjust the timing and synchronization of the wideband transmitter using the timing and control information.

    Abstract translation: 定位系统包括多个控制器,每个控制器包括宽带接收机和窄带发射机,每个控制器被配置为使用来自一个或多个设备的宽带接收机接收宽带定位帧,并使用窄带发射机发送确认帧 其包括由设备使用以建立定位框架的传输定时的定时和控制数据; 以及包括宽带发射机和窄带接收机的至少一个设备,所述设备被配置为使用所述宽带发射机向所述多个控制器发送定位帧并且使用所述窄带接收机从一个或多个控制器接收确认帧,提取 来自帧的定时和控制信息,并且使用定时和控制信息来调整宽带发射机的定时和同步。

    Method and Apparatus for a Single-Carrier Wireless Communication System
    75.
    发明申请
    Method and Apparatus for a Single-Carrier Wireless Communication System 有权
    单载波无线通信系统的方法和装置

    公开(公告)号:US20110110457A1

    公开(公告)日:2011-05-12

    申请号:US12911735

    申请日:2010-10-26

    Applicant: Ismail Lakkis

    Inventor: Ismail Lakkis

    Abstract: A method of communication comprises partitioning a single-carrier data stream into equal-size blocks, and partitioning each block into a plurality of equal-size sub-blocks. A first set of cyclic prefixes and/or postfixes is inserted into the blocks to allow a linear convolution of a frequency-selective multipath channel having a long delay spread to be modeled as a circular convolution at a receiver. A second set of cyclic prefixes and/or postfixes is inserted into the sub-blocks to allow a linear convolution of a frequency-selective multipath channel having a short delay spread to be modeled as a circular convolution at the receiver. Upon receiving a transmitted data frame from the multipath channel, the receiver measures a link quality index (LQI) of a short channel impulse response; and selects block-by-block equalization or sub-block by sub-block equalization based on the LQI.

    Abstract translation: 一种通信方法包括将单载波数据流划分成相等大小的块,并将每个块划分成多个相等大小的子块。 将第一组循环前缀和/或后缀插入块中以允许具有长延迟扩展的频率选择性多径信道的线性卷积在接收机处被建模为循环卷积。 将第二组循环前缀和/或后缀插入到子块中,以允许具有短延迟扩展的频率选择性多径信道的线性卷积在接收机处被建模为循环卷积。 在接收到来自多路径信道的传输数据帧时,接收机测量短信道脉冲响应的链路质量指数(LQI); 并通过基于LQI的子块均衡来选择逐块均衡或子块。

    Turbo LDPC decoding
    76.
    发明授权
    Turbo LDPC decoding 有权
    Turbo LDPC解码

    公开(公告)号:US07934147B2

    公开(公告)日:2011-04-26

    申请号:US12501018

    申请日:2009-07-10

    Applicant: Ismail Lakkis

    Inventor: Ismail Lakkis

    Abstract: An iterative low-density parity-check (LDPC) decoding system comprises a first shift register for storing bit estimates, a plurality of parity-check processing node banks configured for processing the bit estimates for generating messages, combiners configured for combining the messages with the bit estimates for generating updated bit estimates, and fixed permuters for permuting the updated bit estimates to facilitate storage and access of the bit estimates. A second shift register is provided for storing the messages, and a subtraction module subtracts messages generated a predetermined number of cycles earlier from the updated bit estimates.

    Abstract translation: 迭代低密度奇偶校验(LDPC)解码系统包括用于存储比特估计的第一移位寄存器,被配置用于处理用于产生消息的比特估计的多个奇偶校验处理节点库,被配置用于将消息与 用于生成更新的比特估计的比特估计,以及用于置换更新的比特估计以促进比特估计的存储和访问的固定置换器。 提供第二移位寄存器用于存储消息,减法模块从更新的比特估计中减去产生预定数量的周期的消息。

    SPREAD-SPECTRUM CODS GENERATION
    77.
    发明申请
    SPREAD-SPECTRUM CODS GENERATION 有权
    传播频谱产生

    公开(公告)号:US20100272158A1

    公开(公告)日:2010-10-28

    申请号:US12430099

    申请日:2009-04-26

    Applicant: Ismail Lakkis

    Inventor: Ismail Lakkis

    Abstract: Certain aspects of the present disclosure relate to a method for generating Golay codes and generalized Golay codes in a wireless communication system, and for efficient spreading at a transmitter and despreading at a receiver.

    Abstract translation: 本公开的某些方面涉及用于在无线通信系统中生成戈莱码和广义格雷码的方法,并且用于在发射机处的高效扩展和在接收机处的解扩。

    Frequency synthesizer
    78.
    发明授权
    Frequency synthesizer 失效
    频率合成器

    公开(公告)号:US07683724B2

    公开(公告)日:2010-03-23

    申请号:US11950274

    申请日:2007-12-04

    Applicant: Ismail Lakkis

    Inventor: Ismail Lakkis

    CPC classification number: B21C37/26 F28D1/0477 F28F1/24 F28F2215/04 H03B27/00

    Abstract: A voltage-controlled ring oscillator comprises a ring oscillator having a plurality of differential delay stages for generating signals having a common programmable oscillation frequency with different phases, and a pair of single-sideband mixers coupled to the differential delay stages for producing in-phase and quadrature phase signals having a frequency that is higher than the oscillation frequency.

    Abstract translation: 压控环形振荡器包括具有多个差分延迟级的环形振荡器,用于产生具有不同相位的公共可编程振荡频率的信号,以及耦合到差分延迟级的一对单边带混频器,用于产生同相和 具有高于振荡频率的频率的正交相位信号。

    COMMON MODE AND UNIFIED FRAME FORMAT
    79.
    发明申请
    COMMON MODE AND UNIFIED FRAME FORMAT 有权
    共同模式和统一的帧格式

    公开(公告)号:US20100061320A1

    公开(公告)日:2010-03-11

    申请号:US12496496

    申请日:2009-07-01

    Applicant: Ismail Lakkis

    Inventor: Ismail Lakkis

    CPC classification number: H04L27/2602 H04J13/0014

    Abstract: Certain aspects of the present disclosure relate to a method for generating a frame structure that can be used with multiple transmission schemes, such as a Single Carrier (SC) transmission scheme and an Orthogonal Frequency Division Multiplexing (OFDM) transmission scheme.

    Abstract translation: 本公开的某些方面涉及用于生成可以与诸如单载波(SC)传输方案和正交频分复用(OFDM)传输方案的多种传输方案一起使用的帧结构的方法。

    SPREAD-SPECTRUM CODING OF DATA BURSTS
    80.
    发明申请
    SPREAD-SPECTRUM CODING OF DATA BURSTS 有权
    数据爆破的传播频谱编码

    公开(公告)号:US20090279590A1

    公开(公告)日:2009-11-12

    申请号:US12412797

    申请日:2009-03-27

    Applicant: Ismail Lakkis

    Inventor: Ismail Lakkis

    CPC classification number: H04B1/69

    Abstract: Certain aspects of the present disclosure relate to a method for generating spread-spectrum coded signals for transmission in a wireless communication system, and particularly for generating spread sequences of data with spreading codes that facilitate computationally efficient frequency-domain processing at a receiver.

    Abstract translation: 本公开的某些方面涉及用于产生用于在无线通信系统中进行传输的扩频编码信号的方法,特别是用于利用扩展码产生扩展序列的数据的方法,该扩展码有利于接收机处的计算上有效的频域处理。

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