Error probability of digital communications using relay diversity over Nakagami-m fading channels

Lie Liang Yang, Hsiao Hwa Chen

研究成果: Article

89 引文 斯高帕斯(Scopus)

摘要

The (lower-bound) symbol error rate (SER) performance of cooperative digital communication schemes is investigated, where multiple dual-hop relays are invoked for achieving the cooperative diversity with the aid of the maximal ratio combining (MRC). A range of closed-form expressions are obtained for the probability density functions (PDFs) of the relay-channels' output signal-to-noise ratio (SNR). Accurate and approximated closed-form expressions are derived for computing the SER. Our study shows that, with the aid of the closed-form expressions obtained in this contribution, the SER performance of the relay-assisted digital communications schemes, which may employ various classes of coherent modulations, can be readily evaluated in the context of a variety of fading scenarios that the cooperative signals might experience.

原文English
文章編號4524273
頁(從 - 到)1806-1811
頁數6
期刊IEEE Transactions on Wireless Communications
7
發行號5
DOIs
出版狀態Published - 2008 五月 1

All Science Journal Classification (ASJC) codes

  • Computer Science Applications
  • Electrical and Electronic Engineering
  • Applied Mathematics

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