METHOD AND APPARATUS FOR MITIGATING OSCILLATION BETWEEN REPEATERS
    32.
    发明申请
    METHOD AND APPARATUS FOR MITIGATING OSCILLATION BETWEEN REPEATERS 审中-公开
    用于减轻重复振荡的方法和装置

    公开(公告)号:WO2008036401A3

    公开(公告)日:2008-07-10

    申请号:PCT/US2007020485

    申请日:2007-09-21

    CPC classification number: H04B7/155 H04W16/26

    Abstract: A first repeater operating within a wireless network including a second repeater capable of communicating with the first repeater, and first and second wireless station devices capable of communicating with at least one of the first repeater and the second repeater, includes a reception device for receiving a wireless signal at a reception frequency; a detector for detecting if a predetermined portion of the received wireless signal includes a modified portion to thereby determine that the received signal is from the second repeater; and a transmission device for transmitting the wireless signal to one of the first and second wireless station devices at a transmission frequency to thereby repeat the wireless signal.

    Abstract translation: 在包括能够与第一中继器通信的第二中继器的无线网络中工作的第一中继器以及能够与第一中继器和第二中继器中的至少一个通信的第一和第二无线站设备包括:接收装置, 接收频率的无线信号; 检测器,用于检测所接收的无线信号的预定部分是否包括修改部分,从而确定接收到的信号来自第二中继器; 以及传输设备,用于以传输频率将无线信号发射到第一和第二无线站设备中的一个,从而重复无线信号。

    NON-FREQUENCY TRANSLATING REPEATER WITH DETECTION AND MEDIA ACCESS CONTROL
    33.
    发明申请
    NON-FREQUENCY TRANSLATING REPEATER WITH DETECTION AND MEDIA ACCESS CONTROL 审中-公开
    非频率转换器,具有检测和媒体访问控制

    公开(公告)号:WO2005115022A2

    公开(公告)日:2005-12-01

    申请号:PCT/US2005016592

    申请日:2005-05-12

    CPC classification number: H04B7/1555 H04B7/2606 H04W88/04

    Abstract: A non-frequency translating repeater (110, 210, 300) for use in a time division duplex (TDD) radio protocol communications system includes detection retransmission and automatic gain control. Detection is performed by detectors (309, 310) and a processor (313). Detection can be overridden by processor (313) using logic elements (314). Antennae (220, 230) having various form factors can be used to couple a base station (222) to a subscriber terminal (232) which can be located in a sub-optimal location such as deep inside a building or the like.

    Abstract translation: 用于时分双工(TDD)无线电协议通信系统的非频率转换中继器(110,210,300)包括检测重传和自动增益控制。 由检测器(309,310)和处理器(313)执行检测。 处理器(313)可以使用逻辑元件(314)覆盖检测。 可以使用具有各种形状因子的天线(220,230)来将基站(222)耦合到可以位于诸如建筑物内部等深处的次最佳位置的用户终端(232)。

    TRANSMISSION CANCELLER FOR WIRELESS LOCAL AREA NETWORK REPEATER

    公开(公告)号:WO2004095763A3

    公开(公告)日:2004-11-04

    申请号:PCT/US2004/007708

    申请日:2004-04-06

    Abstract: A frequency translating repeater (200) for use in a wireless local area network includes a cancellation unit. Canceller (402) is controlled by control (401) to provide an injection signal for canceling leakage in a receive signal path. Reference coupler (403) provides a reference signal from the transmit signal, injection coupler (404) injects a correction signal, and sample coupler (405) provides a sample for feedback. A processor (510) receives the sample signal through a detector (415). Although the present invention is intended for a frequency translating repeater, it has broad applications in radio transceivers in general. One specific application is with frequency division duplex (FDD) handsets or base stations utilizing CDMA technologies such as W-CDMA and IS-2000 or 1XEV-DV/DO.

    WIRELESS LOCAL AREA NETWORK REPEATER WITH DETECTION
    35.
    发明申请
    WIRELESS LOCAL AREA NETWORK REPEATER WITH DETECTION 审中-公开
    无线本地区域网络检测器

    公开(公告)号:WO2004047308A3

    公开(公告)日:2004-08-12

    申请号:PCT/US0335050

    申请日:2003-11-17

    CPC classification number: H04B7/15542 H04B7/15564 H04W16/26 H04W84/12

    Abstract: A frequency translating repeater (200) for use in a time division duplex radio protocol communications system includes an automatic gain control feature. Detection is performed by comparators (401, 411) ADCs (402, 412), DACs (404, 414) and a processor (315). Detection can be overridden by processor (315) using logic elements (406, 416, 407, and 417) to control the generation of a Channel A/Channel B signal and a PA_ON signal for controlling a power amplifier associated with the transmitter.

    Abstract translation: 用于时分双工无线电协议通信系统的频率转换中继器(200)包括自动增益控制特征。 由比较器(401,411)ADC(402,412),DAC(404,414)和处理器(315)执行检测。 处理器(315)可以使用逻辑元件(406,416,407和417)来控制产生通道A /通道B信号和用于控制与发送器相关联的功率放大器的PA_ON信号的检测。

    WIRELESS LOCAL AREA NETWORK REPEATER WITH DETECTION
    36.
    发明申请
    WIRELESS LOCAL AREA NETWORK REPEATER WITH DETECTION 审中-公开
    无线局域网重复检测

    公开(公告)号:WO2004047308A2

    公开(公告)日:2004-06-03

    申请号:PCT/US2003/035050

    申请日:2003-11-17

    IPC: H04B

    CPC classification number: H04B7/15542 H04B7/15564 H04W16/26 H04W84/12

    Abstract: A frequency translating repeater (200) for use in a time division duplex radio protocol communications system includes an automatic gain control feature. Detection is performed by comparators (401, 411) ADCs (402, 412), DACs (404, 414) and a processor (315). Detection can be overridden by processor (315) using logic elements (406, 416, 407, and 417) to control the generation of a Channel A/Channel B signal and a PA_ON signal for controlling a power amplifier associated with the transmitter.

    Abstract translation: 用于时分双工无线协议通信系统的频率转换中继器(200)包括自动增益控制特征。 由比较器(401,411)ADC(402,412),DAC(404,414)和处理器(315)执行检测。 处理器(315)可以使用逻辑元件(406,416,407和417)来控制用于控制与发射器相关联的功率放大器的信道A /信道B信号和PA_ON信号的生成来覆盖检测。 p>

    SUPERIMPOSED COMPOSITE CHANNEL FILTER
    39.
    发明申请
    SUPERIMPOSED COMPOSITE CHANNEL FILTER 审中-公开
    超级复合通道过滤器

    公开(公告)号:WO2008109575A3

    公开(公告)日:2009-02-19

    申请号:PCT/US2008055738

    申请日:2008-03-03

    CPC classification number: H04B7/15585 H04B7/15542 H04B7/15571

    Abstract: Methods and systems are provided to generate digital coefficients for a filter. The generation of coefficients relies on a Fourier transformation of an impulse response in time domain that is zero padded, e.g., zeros are appended to an array corresponding to a sampled input signal of length M. A unit prototypical filter is generated through a frequency domain response of length NFFT = Ns+M-1, wherein NS is a sampling length of the incoming signal. The unit prototypical filter is then circularly shifted in order to generate a band pass filter centered at a desired frequency. Circularly shifted filters are point-to-point added to generate a set of composite digital coefficients to filter the incoming signal. The reference frequencies for the composite filter are extracted from a message received from one or more base stations associated with one or more service providers. The composite filter typically operates on a frequency repeater.

    Abstract translation: 提供方法和系统以产生用于滤波器的数字系数。 系数的产生依赖于零填充的时域中的脉冲响应的傅立叶变换,例如,零被附加到与长度为M的采样输入信号相对应的阵列上。通过频域响应产生单元原型滤波器 长度为NFFT = Ns + M-1,其中NS是输入信号的采样长度。 然后将单元原型滤波器循环移位,以便产生以期望频率为中心的带通滤波器。 循环移位滤波器是点对点相加以产生一组复合数字系数来滤波输入信号。 从与一个或多个服务提供商相关联的一个或多个基站接收的消息中提取复合滤波器的参考频率。 复合滤波器通常在频率转发器上运行。

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