FTH-PPM多址接入技术在60 GHz脉冲无线通信系统中的性能

doi:10.11959/j.issn.1000-0801.2017233

摘要/Abstract

摘要：

针对60 GHz脉冲无线通信系统中存在的多址接入干扰问题，研究了基于FTH-PPM多址接入方案的性能。在IEEE 802.15.3c信道模型下，分析了系统误码率性能与跳频码数量、信噪比、用户数之间的关系，研究了FTH-PPM多址调制系统特性，并与TH-PPM、TH-PAM方案进行比较。仿真结果表明，系统在多址条件下，可以通过改变信噪比、频率跳数、用户数来满足所需的误码率，同时在一定范围内，FTH-PPM的误码率性能优于TH-PAM和TH-PPM的误码率性能，并且可以根据脉冲占空比的值选择合适的多址调制方式，为60 GHz脉冲无线通信的应用提供技术参考。

关键词: 60GHz, 脉冲无线通信, FTH-PPM, 多址接入干扰

Abstract:

Aiming at the problem of multiple access interference in 60 GHz pulse wireless communication system,the performance of system based on FTH-PPM multiple access scheme was studied.Under the IEEE 802.15.3.c channel model,the relationship between the bit error rate performance of the system and the number of frequency hopping codes,the signal to noise ratio and the number of users were analyzed.The characteristics of FTH-PPM multiple access modulation system were studied and compared with TH-PPM and TH-PAM schemes.The simulation results show that the system can meet the required bit error rate by changing the signal to noise ratio,the number of hops and the number of users.At the same time,the BER performance of FTH-PPM is better than that of TH-PAM and TH-PPM.The system can select the appropriate multiple access modulation mode according to the value of the pulse duty cycle.The research will provide technical reference for the application of 60 GHz pulse wireless communication.

Key words: 60 GHz, pulse wireless communication, FTH-PPM, multiple access interference

中图分类号:

TN914

沈琛,李学华. FTH-PPM多址接入技术在60 GHz脉冲无线通信系统中的性能[J]. 电信科学, 2017, 33(10): 81-89.

Chen SHEN,Xuehua LI. Performance of FTH-PPM multiple access technology in 60 GHz wireless communication system[J]. Telecommunications Science, 2017, 33(10): 81-89.

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