基于并行组合扩频通信的混沌序列优选
首发时间:2013-11-26
摘要:并行组合扩频通信是一种具有较高通信效率的扩频通信方式,但是采用常用扩频码,受到扩频码个数限制,无法降低并行通道之间的干扰和保证系统的保密性。为了提高并行组合扩频通信的传输可靠性、保密性和安全性,采用混沌序列作为并行组合扩频通信系统的扩频码。通过对混沌扩频序列进行优选,使优选后的扩频序列适用于并行组合扩频通信,有效的降低系统误码率,提高系统安全性。
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Optimized Selection of chaotic spread sequence for parallel combinatory spread spectrum communication
Abstract:Parallel combinatory spread spectrum communication is a kind of high-efficiency mode in spread spectrum communication, however the system under common spreading codes, can not reduce interference between parallel channels and ensure confidentiality, because of the limiting in the amount of spreading codes. In order to improve the transmission reliability, confidentiality and security, the system use the chaotic sequence as the spreading codes. And pick out suitable sequence to apply to the communication system to effectively reduce the bit error rate and improve system security.?????
Keywords: parallel combinatory spread spectrum Chaotic sequence Optimized Selection
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