公开(公告)号：US09590690B2

公开(公告)日：2017-03-07

申请号：US14574487

申请日：2014-12-18

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： Alan P Conrad ,  Kevin G Doberstein

IPC: H04B1/7097

CPC classification number: H04B1/7097 ,  H04J11/004

Abstract: Disclosed herein are methods and systems for canceling a blocking signal to obtain a desired signal. An example process includes receiving both a blocking signal and a set of blocking bits corresponding to a demodulation of the blocking signal. A remodulated blocking signal is generated by modulating the received set of blocking bits. The remodulated blocking signal is passed through a blocking-band bandpass filter to generate an estimated blocking signal, and is also passed through a desired-band bandpass filter to generate an unconditioned reference signal. One or more signal-parameter differences between the blocking signal and the estimated blocking signal are identified, and one or more signal compensations are accordingly applied to the unconditioned reference signal to generate a conditioned reference signal, which is then output to a blocking-signal-canceling system.

Abstract translation: 这里公开了用于消除阻塞信号以获得期望信号的方法和系统。 示例性处理包括接收阻塞信号和对应于阻塞信号的解调的一组阻塞位。 通过调制所接收的阻塞位组来产生再调制的阻塞信号。 重新调制的阻塞信号通过阻带带通滤波器以产生估计的阻塞信号，并且还通过期望带通带通滤波器以产生无条件参考信号。 识别阻塞信号和估计阻塞信号之间的一个或多个信号参数差异，并且相应地将一个或多个信号补偿应用于未条件参考信号以产生经调节的参考信号，然后输出到阻塞信号 - 取消系统。

公开(公告)号：US09042856B2

公开(公告)日：2015-05-26

申请号：US13938623

申请日：2013-07-10

Applicant: MOTOROLA SOLUTIONS, INC

Inventor： Kevin G Doberstein ,  Yadunandana N Rao ,  Charles R Ruelke

IPC: H04L1/00

CPC classification number: H04L1/0045 ,  H04L25/067

Abstract: A method and apparatus for using erasure to improve signal decoding when data is impacted by an interference event. Embodiments may include receiving in an RF receiver a desired on-channel signal that includes an information signal modulated on to the desired on-channel signal; generating a sampled received signal with an analog-to-digital (A/D) converter; detecting an interference event using an interference detector as well as generating a mask based on the interference event; processing the sampled received signal using the mask to generate decoding data for use by a soft decoder; and, providing the decoding data to the soft decoder.

Abstract translation: 一种当数据受到干扰事件的影响时，使用擦除来改善信号解码的方法和装置。 实施例可以包括在RF接收机中接收包含被调制到期望的开通信道信号的信息信号的期望的通道信号; 利用模数（A / D）转换器生成采样的接收信号; 使用干扰检测器检测干扰事件以及基于所述干扰事件生成掩码; 使用掩码处理采样的接收信号以产生解码数据供软解码器使用; 并向软解码器提供解码数据。