Threshold decision adaptive modulation and coding schemes for OFDM communications

Authors:
Mohamed M. A. Moustafa
Affiliations:
Communications and Electronics Engineering, Akhbar El Yom Academy, Egypt
Venue:
WOCN'09 Proceedings of the Sixth international conference on Wireless and Optical Communications Networks
Year:
2009

Citing 2
Cited 0

Multi-Carrier and Spread Spectrum Systems

Multi-Carrier and Spread Spectrum Systems
Simplified channel estimation for OFDM systems with multiple transmit antennas

IEEE Transactions on Wireless Communications

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Abstract

This paper presents a Threshold-Decision Adaptive Modulation and Coding (TD-AMC) technique for OFDM systems. The proposed technique makes the transmitter changes the order of the modulation on each sub-carrier separately depending on the BER on this sub-carrier at the receiver side. The simulation results show an overall average gain in the BER performance of the proposed technique of normal fixed order modulation techniques.