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    • 4. 发明授权
    • System and method for transmitting and receiving signal with quasi-periodic pulse sequence
    • 用准周期脉冲序列发送和接收信号的系统和方法
    • US09130816B2
    • 2015-09-08
    • US14250259
    • 2014-04-10
    • QUALCOMM Incorporated
    • Petru Cristian BudianuJun ShiDavid Jonathan Julian
    • H03K9/00H04L25/49H04B1/717H04B1/7183H04B1/69
    • H04L25/49H04B1/7174H04B1/7183H04B2001/6908
    • System and method are disclosed for synchronization of a transmitting device and a receiving device that communicate with each other via pulse modulation. The synchronization technique entails the transmitting device sending one or more quasi-periodic pulse sequences to the receiving device. A quasi-periodic pulse sequence is based on a substantially periodic pulse sequence, and may include some non-periodic pulses or not include some periodic pulses. The transmitting device may transmit frames each including a preamble that comprises one or more quasi-periodic pulse sequences, and a data payload that may comprise data. The receiving device receives the signal, generates samples of the signal, and detects the quasi-periodic pulse sequences in the received signal by analyzing samples based on a sample associated with a pulse and the period associated with the substantially periodic pulse sequence. The receiving device is further able to detect frames based on the detection of the sequence, and extract data therefrom.
    • 公开了用于通过脉冲调制相互通信的发送设备和接收设备的同步的系统和方法。 同步技术需要发送设备向接收设备发送一个或多个准周期脉冲序列。 准周期性脉冲序列基于基本上周期性的脉冲序列,并且可以包括一些非周期脉冲或不包括一些周期脉冲。 发送设备可以发送各自包括包括一个或多个准周期性脉冲序列的前同步码的帧和可以包括数据的数据有效载荷。 接收装置接收信号,产生信号样本,并且通过基于与脉冲相关联的样本和与基本周期性脉冲序列相关联的周期来分析样本来检测接收信号中的准周期脉冲序列。 接收装置还能够根据序列的检测来检测帧,并从中提取数据。