NDLI: Adaptive modulation and coding for two-way amplify-and-forward relay networks

Content Provider	IEEE Xplore Digital Library
Author	Kun Yang Lingyang Song
Copyright Year	2012
Description	Author affiliation: State Key Laboratory of Advanced Optical Communication Systems and Networks, School of Electrical Engineering and Computer Science, Peking University, Beijing, China (Kun Yang; Lingyang Song)
Abstract	In this paper, we introduce an adaptive modulation and coding protocol for all-participate amplify-and-forward relay network systems to achieve a better overall system performance. In the proposed scheme, all the relays are available and have chances to amplify and forward (AF) the signal candidates to the terminals, and for fairness all the relays submit to the same power limitation for the signal amplification. The two source nodes adaptively choose the appropriate modulation and coding scheme based on the information from the feedback channels to ensure that the block error rate (BLER) of the relay system is under the system requirement. Furthermore, we derive closed form expressions for the system performances over Rayleigh Channels, including average spectral efficiency and average BLER. Numerical results show that the analytical results figure out the system performance asymptotically.
Starting Page	197
Ending Page	202
File Size	244563
Page Count	6
File Format	PDF
ISBN	9781467328142
e-ISBN	9781467328159
e-ISBN	9781467328135
DOI	10.1109/ICCChina.2012.6356877
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-08-15
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols Adaptive systems Modulation Encoding Approximation methods Relays Signal to noise ratio
Content Type	Text
Resource Type	Article

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