基于OFDM的放大转发中继系统中载波频偏引起的SNR退化
信息论
2017-03-22 v1 math.IT
摘要
在这封信中,分析了衰落信道中存在载波频偏(CFO)时,基于正交频分复用(OFDM)的放大转发(AF)中继系统的信噪比(SNR)性能。推导了单中继节点场景下的SNR表达式,并进一步扩展到多中继节点场景。分析结果表明,SNR对CFO相当敏感,且SNR对CFO的敏感性主要由相应链路信道的功率和增益因子决定。
引用
@article{arxiv.1703.07074,
title = {SNR Degradation due to Carrier Frequency Offset in OFDM based Amplify-and-Forward Relay Systems},
author = {Yanxiang Jiang and Yanxing Hu and Xiaohu You},
journal= {arXiv preprint arXiv:1703.07074},
year = {2017}
}
备注
4 pages, 4 figures, IEICE Trans. Commun