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ThinkMind // ICWMC 2013, The Ninth International Conference on Wireless and Mobile Communications // View article icwmc_2013_3_10_20170


Smart Relay Protocols for Throughput Optimization using AMC in LTE-Advanced Systems

Authors:
Saransh Malik
Sangmi Moon
Bora Kim
Daejin Kim
Youngil Kim
Kunmin Yeo
Intae Hwang

Keywords: AF; DF; DMF; AMC; LTE-A

Abstract:
We propose an Adaptive Modulation and Coding (AMC) scheme using relay protocols AF, DF and DMF. The AMC scheme is used for improving the throughput and reliability of a communication system, using different modulation and coding schemes. We analyze the performance of relay protocols with the AMC scheme and observe that relay protocols with the AMC scheme are capable of providing better average throughput at a lower Signal to Noise Ratio (SNR) level as compared to the conventional scheme with no AMC. We perform Monte Carlo simulations based on 3GPP Long Term Evolution-Advanced (LTE-A) parameters to prove the performance comparison of adaptive Modulation and Coding Scheme (MCS) relay protocols with non-adaptive MCS relay protocols. The simulation results of the proposed system with adaptive MCS prove that among the Amplify-and-Forward (AF), Decode-and-Forward (DF) and De- Modulate-and-Forward (DMF), the DMF protocol performs best, at a lower SNR value and higher average throughput.

Pages: 37 to 43

Copyright: Copyright (c) IARIA, 2013

Publication date: July 21, 2013

Published in: conference

ISSN: 2308-4219

ISBN: 978-1-61208-284-4

Location: Nice, France

Dates: from July 21, 2013 to July 26, 2013

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