Bit Error Rate Performance Analysis of a Threshold-Based Generalized Selection Combining Scheme in Nakagami Fading Channels
| Autor: | Ahmed Iyanda Sulyman, Maan A. Kousa |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2005 |
| Předmět: |
Computer Networks and Communications
business.industry Computer science generalized selection combining mobile communications lcsh:Electronics Nakagami-m fading lcsh:TK7800-8360 Computer Science Applications lcsh:Telecommunication threshold-based GSC Diversity combining Diversity gain lcsh:TK5101-6720 Signal Processing Bit error rate diversity systems Fading Telecommunications business Algorithm Energy (signal processing) Communication channel Diversity scheme |
| Zdroj: | EURASIP Journal on Wireless Communications and Networking, Vol 2005, Iss 2, Pp 242-248 (2005) EURASIP Journal on Wireless Communications and Networking, Vol 2005, Iss 2, p 219758 (2005) |
| ISSN: | 1687-1499 1687-1472 |
| Popis: | The severity of fading on mobile communication channels calls for the combining of multiple diversity sources to achieve acceptable error rate performance. Traditional approaches perform the combining of the different diversity sources using either the conventional selective diversity combining (CSC), equal-gain combining (EGC), or maximal-ratio combining (MRC) schemes. CSC and MRC are the two extremes of compromise between performance quality and complexity. Some researches have proposed a generalized selection combining scheme (GSC) that combines the best branches out of the available diversity resources ( ). In this paper, we analyze a generalized selection combining scheme based on a threshold criterion rather than a fixed-size subset of the best channels. In this scheme, only those diversity branches whose energy levels are above a specified threshold are combined. Closed-form analytical solutions for the BER performances of this scheme over Nakagami fading channels are derived. We also discuss the merits of this scheme over GSC. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
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