An alternative method to compute the bit error probability of modulation schemes subject to Nakagami-m fading

Authors:
Wamberto J. L. Queiroz;Waslon T. A. Lopes;Francisco Madeiro;Marcelo S. Alencar
Affiliations:
Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande, Campina Grande, PB, Brazil;Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande, Campina Grande, PB, Brazil;Escola Politécnica de Pernambuco, Universidade de Pernambuco, Recife, PE, Brazil;Departamento de Engenharia Elétrica, Universidade Federal de Campina Grande, Campina Grande, PB, Brazil
Venue:
EURASIP Journal on Advances in Signal Processing
Year:
2010

Citing 2
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Error probability of binary and M-ary signals with spatial diversity in Nakagami-q (Hoyt) fading channels

EURASIP Journal on Wireless Communications and Networking
Performance analysis of orthogonal space-time block codes in spatially correlated MIMO Nakagami fading channels

IEEE Transactions on Wireless Communications

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Abstract

This paper presents an alternative method for determining exact expressions for the bit error probability (BEP) of modulation schemes subject to Nakagami-m fading. In this method, the Nakagami-m fading channel is seen as an additive noise channel whose noise is modeled as the ratio between Gaussian and Nakagami-m random variables. The method consists of using the cumulative density function of the resulting noise to obtain closed-form expressions for the BEP of modulation schemes subject to Nakagami m fading. In particular, the proposed method is used to obtain closed-form expressions for the BEP of M-ary quadrature amplitude modulation (M-QAM), M-ary pulse amplitude modulation (M-PAM), and rectangular quadrature amplitude modulation (I × J- QAM) under Nakagami-m fading. The main contribution of this paper is to show that this alternative method can be used to reduce the computational complexity for detecting signals in the presence of fading.