Maximizing the spectral efficiency of amplify-and-forward relaying systems over Nakagami-m fading

Jae Woo Kwon; Kyu Sung Hwang; Young Chai Ko; Hong Chuan Yang

doi:10.1109/VETECF.2010.5594310

Maximizing the spectral efficiency of amplify-and-forward relaying systems over Nakagami-m fading

Jae Woo Kwon, Kyu Sung Hwang, Young Chai Ko, Hong Chuan Yang

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

In this paper, we propose and study a cooperative transmission scheme for amplify-and-forward (AF) relaying system with adaptive modulation. Unlike the conventional incremental relaying with adaptive modulation (IR-AM) scheme in [1], which improves the spectral efficiency with the minimum usage of relaying, our proposed scheme adaptively utilizes cooperative relaying to maximize the system spectral efficiency. We quantify the average spectral efficiency performance of the proposed scheme through statistical analysis and obtain the closed-form solutions for some practical scenarios of interest. Selected numerical results demonstrate that the spectral efficiency gain of the proposed scheme over the IR-AM scheme occurs mainly over the median signal-to-noise ratio range.

Original language	English
Title of host publication	2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall - Proceedings
DOIs	https://doi.org/10.1109/VETECF.2010.5594310
Publication status	Published - 2010
Event	2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall - Ottawa, ON, Canada Duration: 2010 Sept 6 → 2010 Sept 9

Publication series

Name	IEEE Vehicular Technology Conference
ISSN (Print)	1550-2252

Other

Other	2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall
Country/Territory	Canada
City	Ottawa, ON
Period	10/9/6 → 10/9/9

ASJC Scopus subject areas

Computer Science Applications
Electrical and Electronic Engineering
Applied Mathematics

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10.1109/VETECF.2010.5594310

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Maximizing the spectral efficiency of amplify-and-forward relaying systems over Nakagami-m fading. / Kwon, Jae Woo; Hwang, Kyu Sung; Ko, Young Chai et al.
2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall - Proceedings. 2010. 5594310 (IEEE Vehicular Technology Conference).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Kwon, JW, Hwang, KS, Ko, YC & Yang, HC 2010, Maximizing the spectral efficiency of amplify-and-forward relaying systems over Nakagami-m fading. in 2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall - Proceedings., 5594310, IEEE Vehicular Technology Conference, 2010 IEEE 72nd Vehicular Technology Conference Fall, VTC2010-Fall, Ottawa, ON, Canada, 10/9/6. https://doi.org/10.1109/VETECF.2010.5594310

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abstract = "In this paper, we propose and study a cooperative transmission scheme for amplify-and-forward (AF) relaying system with adaptive modulation. Unlike the conventional incremental relaying with adaptive modulation (IR-AM) scheme in [1], which improves the spectral efficiency with the minimum usage of relaying, our proposed scheme adaptively utilizes cooperative relaying to maximize the system spectral efficiency. We quantify the average spectral efficiency performance of the proposed scheme through statistical analysis and obtain the closed-form solutions for some practical scenarios of interest. Selected numerical results demonstrate that the spectral efficiency gain of the proposed scheme over the IR-AM scheme occurs mainly over the median signal-to-noise ratio range.",

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PY - 2010

Y1 - 2010

N2 - In this paper, we propose and study a cooperative transmission scheme for amplify-and-forward (AF) relaying system with adaptive modulation. Unlike the conventional incremental relaying with adaptive modulation (IR-AM) scheme in [1], which improves the spectral efficiency with the minimum usage of relaying, our proposed scheme adaptively utilizes cooperative relaying to maximize the system spectral efficiency. We quantify the average spectral efficiency performance of the proposed scheme through statistical analysis and obtain the closed-form solutions for some practical scenarios of interest. Selected numerical results demonstrate that the spectral efficiency gain of the proposed scheme over the IR-AM scheme occurs mainly over the median signal-to-noise ratio range.

AB - In this paper, we propose and study a cooperative transmission scheme for amplify-and-forward (AF) relaying system with adaptive modulation. Unlike the conventional incremental relaying with adaptive modulation (IR-AM) scheme in [1], which improves the spectral efficiency with the minimum usage of relaying, our proposed scheme adaptively utilizes cooperative relaying to maximize the system spectral efficiency. We quantify the average spectral efficiency performance of the proposed scheme through statistical analysis and obtain the closed-form solutions for some practical scenarios of interest. Selected numerical results demonstrate that the spectral efficiency gain of the proposed scheme over the IR-AM scheme occurs mainly over the median signal-to-noise ratio range.

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Maximizing the spectral efficiency of amplify-and-forward relaying systems over Nakagami-m fading

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