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12. Error Performance Analysis of M-ary \theta-QAM.

Author

Lee, Jaeyoon, Yoon, Dongweon, and Cho, Kyongkuk

Subjects
*BIT error rate, *SYMBOL error rate, *ELECTRONIC modulation, *NUMERICAL integration, *RANDOM noise theory
Abstract

In this paper, we derive new exact and general expressions for the symbol error rate (SER) and bit error rate (BER) of M-ary \theta-quadrature amplitude modulation (QAM) for M = \2^l, l \geq \4, based on not only square-QAM (SQAM) for M = \2^2l, l \geq \2 but cross-QAM (CQAM) as well, for M = \2^2l + 1, l \geq \2 in additive white Gaussian noise (AWGN) and various fading channels; we also present the optimum angle and constellation of M-ary \theta-QAM. Through computer simulations, we confirm the results of the theoretical analysis. Because the SER and BER expressions are provided in terms of 2-D Gaussian Q -function in AWGN and various fading channels, they will be very useful for numerical evaluations in various cases of practical interest in QAM systems. [ABSTRACT FROM PUBLISHER]

Published
2012
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