The Application of M-Ary Quantum Evolutionary Algorithm in Bit and Power Allocation for OFDM System over the Power Line

Abstract:

Adaptive resource allocation in orthogonal frequency division multiplexing (OFDM) systems is a very promising technique to improve spectral efficiency. According to actual transmission behavior of the channel environment over low voltage power line, M-ary Quantum Evolutionary Algorithm (MQEA) is proposed to allocate bit and power on different sub-carrier channel, which maximizes the total data rate of the system in a downlink transmission with a total power and bit-error rate(BER) constraints. Simulation results show that the proposed algorithm achieve a higher data rate.

• Periodical: Advanced Materials Research (Volumes 219-220)
• Pages: 1085-1088
• DOI: https://doi.org/10.4028/www.scientific.net/AMR.219-220.1085
• Online since: March 2011
• Authors: Tao Zhang, Rui Zhang, Yue Jun Liu, Cheng Yang
• Keywords: Bit Allocation, M-Ary Quantum Evolutionary Algorithm, Power Allocation, Power Line Communication OFDM

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