METHOD FOR MODULATION DETECTION
    41.
    发明申请
    METHOD FOR MODULATION DETECTION 审中-公开
    调制检测方法

    公开(公告)号:WO2005043927A2

    公开(公告)日:2005-05-12

    申请号:PCT/US2004031128

    申请日:2004-09-23

    CPC classification number: H04L27/0012

    Abstract: A method of modulation detection. A signal is received (710). A first decision statistic can be generated based on the received signal (720). The received signal can be transformed (725). A second decision statistic can be generated based on the transformed received signal (735). A selected modulation type can be determined based on comparing the first decision statistic with the second decision statistic (740).

    Abstract translation: 调制检测方法。 接收到信号(710)。 可以基于接收到的信号来生成第一判定统计量(720)。 接收到的信号可以被转换(725)。 可以基于变换的接收信号来生成第二判定统计量(735)。 可以基于将第一判定统计量与第二判定统计量进行比较来确定选择的调制类型(740)。

    REDUCING INTERFERENCE IN A GSM COMMUNICATION SYSTEM
    42.
    发明申请
    REDUCING INTERFERENCE IN A GSM COMMUNICATION SYSTEM 审中-公开
    减少GSM通信系统中的干扰

    公开(公告)号:WO2004073185A3

    公开(公告)日:2004-12-23

    申请号:PCT/US2004004424

    申请日:2004-02-11

    Abstract: A method for reducing interference in a desired signal in a GSM communication system uses a finite-impulse-response filter for alternate linear equalization. The method includes a first step (300) of inputting a burst of data of a received waveform including interference from a channel of the communication system. A next step (302) includes training the finite-impulse-response filter with a set of symbols of specific quadrature phase, known a priori, in the burst of data of the received waveform. For example known real only and imaginary only symbols are alternatively selected from a midamble of the data burst. A next step (304) includes operating on the received waveform with the finite-impulse-response filter to alternately linearly equalize the burst of data to provide an estimate of the desired signal.

    Abstract translation: 用于减少GSM通信系统中的期望信号的干扰的方法使用有限脉冲响应滤波器进行交替的线性均衡。 该方法包括:输入包括来自通信系统的信道的干扰的接收波形的数据的突发的第一步骤(300)。 下一步骤(302)包括在接收波形的数据脉冲串中先验已知的具有特定正交相位的一组符号来训练有限脉冲响应滤波器。 例如,可以从数据脉冲串的中同步码中选择已知的仅实际和仅虚拟符号。 下一步骤(304)包括利用有限脉冲响应滤波器对接收到的波形进行操作,以交替地线性均衡数据突发以提供期望信号的估计。

    WIRELESS COMMUNICATION SYSTEM FRAME STRUCTURE HAVING VARIABLE SIZED CYCLIC PREFIX
    43.
    发明申请
    WIRELESS COMMUNICATION SYSTEM FRAME STRUCTURE HAVING VARIABLE SIZED CYCLIC PREFIX 审中-公开
    无线通信系统帧结构具有可变大小的循环前缀

    公开(公告)号:WO2008045628A3

    公开(公告)日:2008-11-13

    申请号:PCT/US2007076941

    申请日:2007-08-28

    CPC classification number: H04B7/2656

    Abstract: A wireless communication system that communicates (500) frames having first and second sub-frames (510, 520) with time-frequency resource elements. The first sub-frame including first reference symbol information and the second sub-frame including second reference symbol information, and not more than one of the first and second sub-frames including user specific radio resource assignment information. Wireless communication entities receiving the frames process the time-frequency elements of the first sub-frame using the first reference symbol information and processing the time-frequency elements of the second sub-frame using the second reference symbol information.

    Abstract translation: 一种无线通信系统,其将具有第一和第二子帧(510,520)的帧与时频资源元素进行通信(500)。 第一子帧包括第一参考符号信息,而第二子帧包括第二参考符号信息,并且不多于一个第一和第二子帧包括用户特定无线电资源分配信息。 接收帧的无线通信实体使用第一参考符号信息处理第一子帧的时间 - 频率分量,并使用第二参考符号信息处理第二子帧的时间 - 频率分量。

    APPARATUS AND METHOD FOR FREQUENCY HOPPING IN A BROADCAST NETWORK
    45.
    发明申请
    APPARATUS AND METHOD FOR FREQUENCY HOPPING IN A BROADCAST NETWORK 审中-公开
    用于广播网络中频率偏好的装置和方法

    公开(公告)号:WO2007124227A3

    公开(公告)日:2008-08-28

    申请号:PCT/US2007064879

    申请日:2007-03-26

    CPC classification number: H04W16/02 H04W16/00 H04W56/00

    Abstract: Disclose is a synchronized wireless communication network (100) operating in single frequency network mode comprising a first base station (502) broadcasting, on a first channel, broadcast data and a common sequence (508) that is generated from a first channel identifier, and wherein the first base station transmits data on a common control channel. A second base station (510), adjacent to the first base station and synchronized with the first base station, the second base station simultaneously broadcasting on the first channel the broadcast data and the common sequence, and wherein the second base station transmits data on a common control channel.

    Abstract translation: Disclose是在单频网络模式下工作的同步无线通信网络(100),包括在第一信道上广播从第一信道标识符生成的广播数据和公共序列(508)的第一基站(502),以及 其中第一基站在公共控制信道上发送数据。 第二基站(510),与第一基站相邻并与第一基站同步,第二基站同时在第一信道上广播广播数据和公共序列,并且其中第二基站在一个 公共控制通道。

    APPARATUS AND METHODS FOR HANDLING A MESSAGE DIFFERENCE PRIOR TO DECODING BASED ON APRIORI KNOWLEDGE OF MODIFIED CODEWORD TRANSMISSION
    46.
    发明申请
    APPARATUS AND METHODS FOR HANDLING A MESSAGE DIFFERENCE PRIOR TO DECODING BASED ON APRIORI KNOWLEDGE OF MODIFIED CODEWORD TRANSMISSION 审中-公开
    基于修改编码传输的APRIORI知识解码前的消息差异的装置和方法

    公开(公告)号:WO2007087511A3

    公开(公告)日:2008-04-03

    申请号:PCT/US2007060867

    申请日:2007-01-22

    Abstract: A method and apparatus for handling a difference between a first and second message prior to decoding is disclosed The signaling scenapo illustrated by FIG 1 and using the codeword properties defined herein, the vanous embodiments may combine multiple messages under the hypothesis that the value of a message portion corresponding to any subsequent observed transmission is different Accordingly, a first set of observations (LLR's) (601 ) may be compared with a second or subsequent set of observations (603), and if the observations are found sufficiently similar, may be further compared in the context of a hypothesized difference (607) in constituent message information words Once any difference in information words is identified, the second or subsequent set of observations may be combined (611) with the first set of observations after suitable arithmetic processing, and prior to further decoding.

    Abstract translation: 公开了一种用于在解码之前处理第一和第二消息之间的差异的方法和装置。图1所示的信令场景和使用本文所定义的码字属性,该虚拟实施例可以组合多个消息,假设消息的值 对应于任何后续观察到的传输的部分是不同的。因此,可以将第一组观察值(LLR)(601)与第二或随后的观测集(603)进行比较,并且如果发现观察值足够相似,则可以进一步比较 在构成消息信息字中的假设差异(607)的上下文中一旦识别出信息字中的任何差异,则可以在适当的算术处理之后将第二组或后续观察组合(611)与第一组观察结果组合(611) 进一步解码。

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