Analysis and comparison of several simple impulsive noise mitigation schemes for OFDM receivers

In this paper, we analyze and compare the performance of OFDM receivers with blanking, clipping and combined blanking-clipping nonlinear preprocessors in the presence of impulsive noise. Closed-form analytical expressions for the signal-to-noise ratio at the output of three types of nonlinearity are...

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Bibliographic Details
Published in:IEEE transactions on communications 2008-01, Vol.56 (1), p.5-9
Main Author: Zhidkov, S.V.
Format: Article
Language:English
Subjects:
Applied sciences
Baseband
Blanking
Detection, estimation, filtering, equalization, prediction
Detectors
Exact sciences and technology
Exact solutions
Gaussian noise
Information, signal and communications theory
Interference
Mathematical analysis
Modulation, demodulation
Multiplexing
Noise
Nonlinearity
OFDM
Orthogonal Frequency Division Multiplexing
Performance analysis
Phase shift keying
Receivers
Signal and communications theory
Signal to noise ratio
Signal, noise
Simulation
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
Working environment noise
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Description
Summary:In this paper, we analyze and compare the performance of OFDM receivers with blanking, clipping and combined blanking-clipping nonlinear preprocessors in the presence of impulsive noise. Closed-form analytical expressions for the signal-to-noise ratio at the output of three types of nonlinearity are derived. Simulation results are provided that show good agreement with theory.
ISSN:0090-6778
1558-0857
DOI:10.1109/TCOMM.2008.050391