NDLI: Inter-frame interleaved Bi-SOVA alogrithm for Underwater Acoustic Communication

Content Provider	IEEE Xplore Digital Library
Author	Huaidong Tang Min Zhu Yanbo Wu Lijun Xu Zeping Xing
Copyright Year	2012
Description	Author affiliation: Institute of Acoustics, Chinese Academy of Sciences, Beijing, China (Huaidong Tang; Min Zhu; Yanbo Wu; Lijun Xu; Zeping Xing)
Abstract	For divergence of the adaptive DFE leading to loss of data frames and affecting the performance of Turbo decoding in harsh UAC (Underwater Acoustic Communication) channel, inter-frame interleaved Bi-SOVA decoding algorithm was proposed. Inter-frame interleaved Bi-SOVA algorithm encodes and decodes the whole data packet (28 frames) to correct the lost frames, since it can distribute error bits randomly. For inter-frame interleaved Bi-SOVA decoding algorithm leading to large data storage and intolerable decoding delay, sliding window decoding technology and the golden prime interleaver are adopted to optimize data storage, meanwhile DMA technology of ADSP-21160 is applied to optimize decoding delay. According to the result of practical experiment, under the same size of data packet, inter-frame interleaved Bi-SOVA, compared to classical Bi-SOVA, doesn't increase data storage and decoding delay, meanwhile improve the decoding performance greatly. And it will correct 20% error frames under the best conditions.
Starting Page	1865
Ending Page	1869
File Size	357080
Page Count	5
File Format	PDF
ISBN	9781457714146
e-ISBN	9781457714153
DOI	10.1109/CECNet.2012.6202023
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-04-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Algorithm design and analysis Inter-frame interleaved Bi-SOVA Memory Underwater acoustic communication ADSP-21160 Turbo Turbo codes Decoding Underwater acoustics Iterative decoding Delay
Content Type	Text
Resource Type	Article

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