Error Probability of Digital Communications Using Relay Diversity over Nakagami-$m$ Fading Channels
Yang, Lie-Liang and Chen, H.-H. (2007) Error Probability of Digital Communications Using Relay Diversity over Nakagami-$m$ Fading Channels. IEEE Transactions on Wireless Communications
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Description/Abstract
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 (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.
| Item Type: | Article |
|---|---|
| Keywords: | Cooperative communications, cooperative diversity, Nakagami fading, symbol error rate. |
| Divisions: | Faculty of Physical and Applied Science > Electronics and Computer Science > Comms, Signal Processing & Control |
| Item ID: | 264860 |
| Date Deposited: | 16 Nov 2007 16:00 |
| Last Modified: | 21 Aug 2012 04:15 |
| Contributors: | Yang, Lie-Liang (Author) Chen, H.-H. (Author) |
| Date: | 2007 |
| Status: | Unpublished |
| Further Information: | Google Scholar |
| ISI Citation Count: | 37 |
| URI: | http://eprints.soton.ac.uk/id/eprint/264860 |
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