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    • 8. 发明授权
    • Method, signal and apparatus for managing the transmission and receipt of broadcast channel information
    • 用于管理广播频道信息的发送和接收的方法,信号和装置
    • US08189581B2
    • 2012-05-29
    • US11765876
    • 2007-06-20
    • Raja S. BachuMichael E. BuckleyKenneth A. Stewart
    • Raja S. BachuMichael E. BuckleyKenneth A. Stewart
    • H04L12/28H04L27/06H04J3/00H04N7/16
    • H04L1/08H04L1/0041H04L1/0072
    • The present invention provides a method for transmitting broadcast channel information as part of a broadcast channel signal having one or more transmission intervals, where each transmission interval includes a plurality of transmissions, and one or more of the transmissions are active frames in which broadcast channel information is transmitted. Invariant portions that are present in the broadcast channel information are identified separate from any variant portions and are encoded for transmission, and the variant portions are used to select transmission specific configurations, which can be detected during the decoding by the receiver. Upon detection of the transmission specific configuration used to encode the invariant portions, the value of the variant portion can be identified and reintroduced as part of the received broadcast channel information.
    • 本发明提供一种用于发送广播频道信息作为具有一个或多个发射间隔的广播信道信号的一部分的方法,其中每个传输间隔包括多个传输,并且一个或多个传输是主动帧,其中广播信道信息 被传送。 存在于广播频道信息中的不变部分被识别为与任何变体部分分离,并被编码用于传输,并且变体部分用于选择传输特定配置,其可以在接收机的解码期间检测。 在检测到用于对不变部分进行编码的传输特定配置时,可以识别变型部分的值并将其重新引入作为所接收的广播信道信息的一部分。
    • 9. 发明授权
    • Broadcast channel signal, apparatus and method for transmitting and decoding broadcast channel information
    • 广播信道信号,用于发送和解码广播信道信息的装置和方法
    • US07899051B2
    • 2011-03-01
    • US11967971
    • 2007-12-31
    • Raja S. BachuMichael E. BuckleyKenneth A. Stewart
    • Raja S. BachuMichael E. BuckleyKenneth A. Stewart
    • H04L27/06H04W4/00
    • H04L1/0072H04L1/0045H04L2001/0093H04W48/12
    • The present invention provides a broadcast channel signal, a wireless communication device and method for transmitting broadcast channel information, where an invariant subportion of a variant portion of the broadcast channel information is separated from the variant subportion of the variant portion and combined with the invariant portion, and encoded separately from the variant subportion. Both encoded portions are transmitted and decoded by a wireless communication device, which uses subsequent transmissions of the broadcast channel information to assist in the decoding in the event the broadcast channel information for a particular transmission frame of a transmission interval cannot be decoded. If the variant subportion cannot be decoded, then using one or more of a set of prestored possible matches defining anticipated bit differences, between multiple successive transmissions, based upon the relative transmission sequence, which can be negated as part of attempting to decode and combine the received information for the multiple received frames.
    • 本发明提供一种广播信道信号,一种用于发送广播频道信息的无线通信装置和方法,其中广播频道信息的变体部分的不变子部分与变体部分的变体子部分分离并与不变部分组合 ,并且与变体子部分分开编码。 两个编码部分由无线通信设备发送和解码,无线通信设备使用广播信道信息的后续传输来帮助在传输间隔的特定传输帧的广播信道信息不能被解码的情况下进行解码。 如果变形子部分不能被解码,则使用基于相对传输序列的多个连续传输之间定义预期比特差的一组预先存储的可能匹配中的一个或多个,其可被否定为尝试解码和组合的一部分 接收到多个接收帧的信息。
    • 10. 发明授权
    • Multi-pass interference reduction in a GSM communication system
    • GSM通信系统中的多通道干扰减少
    • US06944245B2
    • 2005-09-13
    • US10688714
    • 2003-10-17
    • Kenneth A. StewartRaja S. BachuMichael E. BuckleyClint S. Wilkins
    • Kenneth A. StewartRaja S. BachuMichael E. BuckleyClint S. Wilkins
    • H04L25/03H04B1/10
    • H04L25/03038H04L2025/03407H04L2025/03477
    • An iterative method (400) and apparatus (200) for a receiver for reducing interference in a desired signal in a GSM communication system that use a finite-impulse-response filter combined with alternate quadrature component output selection for alternate linear equalization. The method includes inputting a burst of data of a received waveform including interference, training an alternate linear output filter with a midamble of known quadrature phase, providing an estimate of the desired signal by operating on the received waveform with the finite-impulse-response filter, generating log likelihood ratio estimates for a plurality of bits in the burst of data, selecting bits from the burst of data base upon a predetermined condition, and re-training the alternate linear output filter to provide a second improved estimate of the desired signal.
    • 一种用于在GSM通信系统中减少对期望信号的干扰的接收机的迭代方法(400)和装置(200),所述GSM通信系统使用与交替的线性均衡的交替正交分量输出选择相组合的有限脉冲响应滤波器。 该方法包括输入包括干扰的接收波形的数据脉冲串,训练具有已知正交相位的中间码的交替线性输出滤波器,通过利用有限脉冲响应滤波器对接收到的波形进行操作来提供期望信号的估计 ,产生数据突发中的多个比特的对数似然比估计,根据预定条件从数据库突发中选择比特,并重新训练交替的线性输出滤波器以提供期望信号的第二改进估计。