研究了在瑞利和瑞利衰落信道上利用啁啾扩频技术对抗多径干扰的可行性

Ywh-Ren Tsai, Jin-Fu Chang
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引用次数: 37

摘要

本文研究了利用啁啾扩频信号对抗瑞利和瑞利衰落信道上二进制数字通信系统多径干扰的可行性。啁啾系统可以使用表面声波器件来实现,并且可以制作成紧凑的尺寸。在加性高斯白噪声的影响下,成功地推导了误码概率。数值算例表明,利用啁啾系统可以大大降低多径干扰的影响。这种安排在部署(例如室内无线通信)方面非常有吸引力。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The feasibility of combating multipath interference by chirp spread spectrum techniques over Rayleigh and Rician fading channels
This paper studies the feasibility of using chirp spread spectrum signals to combat multipath interference in binary digital communication systems over Rayleigh and Rician fading channels. The chirp system can be implemented using surface acoustic wave devices and can be made compact in size. Under also the influence of additive white Gaussian noise, the bit error probability has been successfully derived. Through numerical examples it is witnessed that chirp system can be used to greatly reduce the effect of multipath interference. The arrangement is quite attractive in deploying, for example, indoor wireless communications.<>
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