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App. Res. of Comp. Accepted Paper
Vol. 42, 2025 No. 3

Priority-based and Zigzag decodable online fountain codes for underwater acoustic networks

Du Xiujuan1,2
Wang Yujie1
Liu Xiuxiu1
Zhao Jian1
1. College of Computer, Qinghai Provincial Key Laboratory of IoT, Qinghai Normal University, Xining 810008, China
2. The State Key Laboratory of Tibetan Intelligent Information Processing & Application, Xining 810008, China
DOI: 10.19734/j.issn.1001-3695.2024.07.0246

Abstract

Underwater Acoustic Networks (UANs) are characterized by long propagation delay, high bit error rate, low bandwidth, and half-duplex communication, seriously affecting the reliable transmission of data in UANs. While online fountain codes have many advantages such as online control, low coding and decoding complexity, and code rate adaption, online fountain codes are suitable for guaranteeing reliable transmission of data in UANs. Aiming at the problems of higher overhead and frequent feedback of Recursive Online Fountain Codes with Limited Feedback (ROFC-LF) resulted by unideal coverage and four-membered rings, a Priority-based and Zigzag-decodable ROFC-LF (P-ZROFC-LF) for UANs is proposed. P-ZROFC-LF selects the original packet with the highest priority in the build-up phase and encodes until all original packets are encoded. Further, Zigzag-Decodable code is introduced to convert useless packets into useful packets by shifting and XORing operation to improve decoding performance. The relationship between the number of encoded packets required by P-ZROFC-LF and the number of original packets is analyzed by random graph theory. Theoretical analysis and simulation results show that compared with most online fountain codes, P-ZROFC-LF significantly improves the feedback and overhead performance. Specifically, P-ZROFC-LF reduces the feedback and overhead by 18% and 0.0176 respectively, compared with ROFC-LF, making it more suitable for UANs.

Foundation Support

青海省自然科学基金资助项目(2024-ZJ-929)

Publish Information

DOI: 10.19734/j.issn.1001-3695.2024.07.0246
Publish at: Application Research of Computers Accepted Paper, Vol. 42, 2025 No. 3

Publish History

[2024-12-03] Accepted Paper

Cite This Article

杜秀娟, 王玉杰, 柳秀秀, 等. 水声网络基于优先级与可Zigzag解码的在线喷泉码 [J]. 计算机应用研究, 2025, 42 (3). (2024-12-16). https://doi.org/10.19734/j.issn.1001-3695.2024.07.0246. (Du Xiujuan, Wang Yujie, Liu Xiuxiu, et al. Priority-based and Zigzag decodable online fountain codes for underwater acoustic networks [J]. Application Research of Computers, 2025, 42 (3). (2024-12-16). https://doi.org/10.19734/j.issn.1001-3695.2024.07.0246. )

About the Journal

  • Application Research of Computers Monthly Journal
  • Journal ID ISSN 1001-3695
    CN  51-1196/TP

Application Research of Computers, founded in 1984, is an academic journal of computing technology sponsored by Sichuan Institute of Computer Sciences under the Science and Technology Department of Sichuan Province.

Aiming at the urgently needed cutting-edge technology in this discipline, Application Research of Computers reflects the mainstream technology, hot technology and the latest development trend of computer application research at home and abroad in a timely manner. The main contents of the journal include high-level academic papers in this discipline, the latest scientific research results and major application results. The contents of the columns involve new theories of computer discipline, basic computer theory, algorithm theory research, algorithm design and analysis, blockchain technology, system software and software engineering technology, pattern recognition and artificial intelligence, architecture, advanced computing, parallel processing, database technology, computer network and communication technology, information security technology, computer image graphics and its latest hot application technology.

Application Research of Computers has many high-level readers and authors, and its readers are mainly senior and middle-level researchers and engineers engaged in the field of computer science, as well as teachers and students majoring in computer science and related majors in colleges and universities. Over the years, the total citation frequency and Web download rate of Application Research of Computers have been ranked among the top of similar academic journals in this discipline, and the academic papers published are highly popular among the readers for their novelty, academics, foresight, orientation and practicality.

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