Bit error probability for a M-ary QAM OFDM-based system

Results and the general expression for the bit error rate (BER) of M-ary QAM for single carrier systems are well known, but are not readily available for M-ary QAM combined with orthogonal frequency division multiplexing (OFDM). In this paper, a generalized closed-form BER expression of M-ary QAM OF...

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Bibliographic Details
Main Authors: van Wyk, J., Linde, L.
Format: Conference Proceeding
Language:English
Subjects:
ADSL
AWGN
Bandwidth
BER expression
bit error probability
Bit error rate
Error probability
Genetic expression
M-ary QAM OFDM
Monte Carlo simulation
MQAM-N
OFDM modulation
QPSK
Quadrature amplitude modulation
Quadrature phase shift keying
System testing
Wireless LAN
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Description
Summary:Results and the general expression for the bit error rate (BER) of M-ary QAM for single carrier systems are well known, but are not readily available for M-ary QAM combined with orthogonal frequency division multiplexing (OFDM). In this paper, a generalized closed-form BER expression of M-ary QAM OFDM is empirically derived and verified in the presence of additive white Gaussian noise (AWGN), using a Monte Carlo simulation. Theoretical BER graphs up to 1024-QAM over up to 256 subchannels are also presented.
ISSN:2153-0025
2153-0033
DOI:10.1109/AFRCON.2007.4401578