NDLI: Particle Filtering Detection in Turbo Coded OFDM System over Underwater Acoustic Communication Channels

Content Provider	IEEE Xplore Digital Library
Author	Liang Zhao Weiqing Zhu
Copyright Year	2006
Description	Author affiliation: Chinese Acad. of Sci., Beijing (Liang Zhao; Weiqing Zhu)
Abstract	In this paper, we address the problem of symbol detection in a turbo coded orthogonal frequency division multiplexing (OFDM) system over underwater acoustic communication channels. The detector is based on the particle filtering (PF) method, which build on the techniques of sequential importance sampling (SIS) and resampling Simultaneously, we introduce the turbo coded scheme to improve the system performance. Being soft-input and soft-output in nature, the proposed PF detector is employed as the first-stage demodulator in a turbo receiver for a turbo coded OFDM system. Such a Turbo receiver successively improves the receiver performance by iteratively exchanging the so-called extrinsic information with two maximum a posterior (MAP) decoder. Finally, simulation results are provided to illustrate the effectiveness of the proposed algorithm.
Starting Page	1
Ending Page	6
File Size	5385675
Page Count	6
File Format	PDF
ISBN	9781424401376
DOI	10.1109/OCEANSAP.2006.4393829
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2007-05-16
Publisher Place	Singapore
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Filtering Acoustic signal detection Underwater tracking Turbo codes OFDM Underwater acoustics Communication channels Detectors Monte Carlo methods System performance
Content Type	Text
Resource Type	Article

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