Adaptive modulation with diversity combining based on output-threshold MRC

Young Chai Ko; Hong Chuan Yang; Seung Sik Eom; Mohamed Slim Alouini

doi:10.1109/TWC.2007.060090

Adaptive modulation with diversity combining based on output-threshold MRC

Young Chai Ko, Hong Chuan Yang, Seung Sik Eom, Mohamed Slim Alouini

Research output: Contribution to journal › Article › peer-review

39 Citations (Scopus)

Abstract

In this paper, we propose a combined adaptive modulation transmission and output threshold MRC diversity reception scheme for high spectral and power efficiency wireless transceiver design. The modulation constellation size and the number of combined diversity paths are jointly determined to achieve the highest spectral efficiency but with low combining complexity, given the fading channel conditions and the required error rate performance. We derive the statistics of the resulting output signal-to-noise ratio (SNR) and then use it to analyze the proposed system (i) performance in terms of outage probability and average bit error rate, (ii) complexity in terms of the average number of path estimation and the average number of combined paths, and (iii) spectral efficiency. Some selected numerical examples are finally presented and discussed to illustrate the tradeoff offered by this scheme.

Original language	English
Pages (from-to)	3728-3737
Number of pages	10
Journal	IEEE Transactions on Wireless Communications
Volume	6
Issue number	10
DOIs	https://doi.org/10.1109/TWC.2007.060090
Publication status	Published - 2007 Oct

Bibliographical note

Funding Information:
Manuscript received March 18, 2006; revised June 13, 2006 and October 22, 2006; accepted October 23, 2006. The associate editor coordinating the review of this paper and approving it for publication was K. K. Wong. This work was supported by grant No. R01-2003-000-10155-0(2003) from the Basic Research Program of the Korea Science & Engineering Foundation, and by a Discovery Grant from NSERC Canada. This is an expanded version of work which was presented at the IEEE Vehicular Technology Conference (VTC’06), Melbourne, Australia, May 2006.

Keywords

Adaptive modulation
Diversity techniques
Maximum ratio combining
Performance analysis

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

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10.1109/TWC.2007.060090

Cite this

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abstract = "In this paper, we propose a combined adaptive modulation transmission and output threshold MRC diversity reception scheme for high spectral and power efficiency wireless transceiver design. The modulation constellation size and the number of combined diversity paths are jointly determined to achieve the highest spectral efficiency but with low combining complexity, given the fading channel conditions and the required error rate performance. We derive the statistics of the resulting output signal-to-noise ratio (SNR) and then use it to analyze the proposed system (i) performance in terms of outage probability and average bit error rate, (ii) complexity in terms of the average number of path estimation and the average number of combined paths, and (iii) spectral efficiency. Some selected numerical examples are finally presented and discussed to illustrate the tradeoff offered by this scheme.",

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AU - Alouini, Mohamed Slim

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AB - In this paper, we propose a combined adaptive modulation transmission and output threshold MRC diversity reception scheme for high spectral and power efficiency wireless transceiver design. The modulation constellation size and the number of combined diversity paths are jointly determined to achieve the highest spectral efficiency but with low combining complexity, given the fading channel conditions and the required error rate performance. We derive the statistics of the resulting output signal-to-noise ratio (SNR) and then use it to analyze the proposed system (i) performance in terms of outage probability and average bit error rate, (ii) complexity in terms of the average number of path estimation and the average number of combined paths, and (iii) spectral efficiency. Some selected numerical examples are finally presented and discussed to illustrate the tradeoff offered by this scheme.

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Adaptive modulation with diversity combining based on output-threshold MRC

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

Access to Document

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