Adaptive cooperative FEC based on combination of network coding and channel coding for wireless sensor networks

被引：1

作者：

Jin, Yong ^{[1
]}

Ruan, Peng ^{[1
]}

机构：

[1] Scholl of Computer Science and Engineering, Changshu Institute of Technology

来源：

Journal of Networks | 2014年 / 9卷 / 02期

关键词：

Cooperative Communication; Forward Error Correction; Network Coding; Wireless Sensor Networks;

D O I：

10.4304/jnw.9.2.481-487

中图分类号：

学科分类号：

摘要：

The data delivery over wireless links with QoS-guarantee is a big challenge because of the unreliable and dynamic characteristics of wireless sensor networks, as well as QoS diversity requirements of applications. In this paper, we propose an adaptive cooperative Forward Error Correction algorithm based on network coding, in the hope quality of experience could be satisfied on receivers with high quality. The algorithm, based on wireless link and distance, adjusts the RS coder parameter and selects the optimal relay nodes. On the other hand, we combine the channel coding and network coding technology at the data link layer to fulfil the requirements of QoS diversity. Both mathematical analysis and NS simulation results demonstrate the proposed mechanism is superior to the traditional FEC and cooperative FEC alone at the reliability, real time performance and energy efficiency. In addition, the proposed mechanism can significantly improve quality of media streaming, in terms of playable frame rate on the receiving side. © 2014 Academy publisher.

引用

页码：481 / 487

页数：6

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