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卷积码在UWB通信系统中的性能分析

Performance Analysis of Convolution Codes in UWB Communication System
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摘要 本文介绍了UWB通信系统的系统模型,PAM调制方式,并将Rake接收机与MRC相结合以处理接收信号。本文提出了用卷积编码与重复发送相结合的方式来发送每一个信息比特,给出了卷积码码型选择条件,并对非编码系统和卷积编码系统的性能进行了分析。通过仿真,我们给出了在不同“指峰”数目和不同码率条件下的卷积码的误码性能。 This paper introduces the system model of UWB communication system, pulse amplitude modulation, Rake receiver combined with MRC dealing with the received signals. The combination of convolution codes with repetitious transmission to transmit every information bit is put forward here. The condition of code pattern choice of convolution codes and performance analysis of uncoded system and coded system with convolution codes are given below. By simulations, we give bit error probabilities according to numbers of fingers and code rates.
作者 金莹 李颖 王新梅
机构地区 西安电子科技大学综合业务网国家重点实验室
出处 《北京电子科技学院学报》 2005年第2期23-26,共4页 Journal of Beijing Electronic Science And Technology Institute
基金 国家自然基金资助项目(60272057)
关键词 UWB 卷积码 系统模型 RAKE接收机 UWB convolution codes system model Rake receiver
分类号 TN911.22 [电子电信—通信与信息系统]
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参考文献5

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二级参考文献16

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共引文献29

北京电子科技学院学报
2005年 第2期

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