对数正态衰落信道中相干与差分相干调制方案在高信噪比下的误码率比较
信息论
2016-11-15 v1 math.IT
摘要
利用辅助随机变量技术,我们证明了二进制差分相移键控和二进制相移键控在对数正态衰落信道中具有相同的渐近误码率性能。我们还表明,在高信噪比机制下,在对数正态衰落信道上,差分四相相移键控的性能恰好比四相相移键控差 2.32 dB。
引用
@article{arxiv.1407.7097,
title = {High SNR BER Comparison of Coherent and Differentially Coherent Modulation Schemes in Lognormal Fading Channels},
author = {Xuegui Song and Julian Cheng and Mohamed-Slim Alouini},
journal= {arXiv preprint arXiv:1407.7097},
year = {2016}
}
备注
Manuscript accepted for publication in IEEE Communications Letters (4 pages with 2 figures)