Opportunistic Fountain Coding With Coordinative Routing

被引：3

作者：

Peng, Tong ^{[1
]}

Lambotharan, Sangarapillai ^{[2
]}

Zheng, Gan ^{[2
]}

Shikh-Bahaei, Mohammad ^{[3
]}

机构：

[1] Zhejiang Ocean Univ, Sch Informat Engn, Zhoushan 316000, Peoples R China

[2] Loughborough Univ, Wolfson Sch Mech Elect & Mfg Engn, Loughborough LE11 3TU, Leics, England

[3] Kings Coll London, Dept Engn, London WC2R 2LS, England

来源：

IEEE WIRELESS COMMUNICATIONS LETTERS | 2022年 / 11卷 / 04期

基金：

英国工程与自然科学研究理事会;

关键词：

Relays; Encoding; Routing; Maximum likelihood decoding; Codes; Wireless sensor networks; Complexity theory; Partial fountain decoding; opportunistic routing; coordinative forwarding; SECURE;

D O I：

10.1109/LWC.2022.3147601

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Fountain codes are widely employed to improve reliability and efficiency in wireless communication systems due to their simple coding mechanisms. In this letter, we propose an opportunistic decoding and recoding mechanism with coordinative routing algorithm for fountain codes to improve the expected transmission counts (ETX) performance and to reduce computational complexity of fountain decoding at each relay in multi-hop wireless sensor networks. The full recovery in existing cooperative fountain coded networks is replaced by a new partial decoding and recoding mechanism in which both the recovered and the unrecovered packets at the intermediate nodes are considered as recoding candidates. Numerical results show that the proposed algorithm is superior to the existing opportunistic routing-based fountain code schemes.

引用

页码：851 / 855

页数：5

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