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Front. Inform. Technol. Electron. Eng.  2010, Vol. 11 Issue (7): 544-554    DOI: 10.1631/jzus.C0910475
    
Retransmission in the network-coding-based packet network
Zheng Wang1, Hui-fang Chen*,1,2, Lei Xie1,2, Kuang Wang1,2
1 Department of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, China 2 Zhejiang Provincial Key Laboratory of Information Network Technology, Hangzhou 310027, China
Retransmission in the network-coding-based packet network
Zheng Wang1, Hui-fang Chen*,1,2, Lei Xie1,2, Kuang Wang1,2
1 Department of Information Science and Electronic Engineering, Zhejiang University, Hangzhou 310027, China 2 Zhejiang Provincial Key Laboratory of Information Network Technology, Hangzhou 310027, China
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摘要： In this paper, retransmission strategies of the network-coding-based packet network are investigated. We propose two retransmission strategies, the packet-loss-edge-based retransmission strategy (PLERT) and the minimum retransmission strategy (MRT), which focus on optimizing the retransmission efficiency without the constraint on the encoding field size. We compared the performances of the proposed retransmission strategies with the traditional automatic repeat-request (ARQ) strategy and the random retransmission strategy. Simulation results showed that the PLERT strategy works well when the packet loss rate is small. Among these retransmission strategies, the performance of the MRT strategy is the best at the cost of the high complexity that is still polynomial. Furthermore, neither of the proposed strategies is sensitive to the encoding field size.
关键词： Generation;  Network coding;  Packet network;  Retransmission    
Abstract: In this paper, retransmission strategies of the network-coding-based packet network are investigated. We propose two retransmission strategies, the packet-loss-edge-based retransmission strategy (PLERT) and the minimum retransmission strategy (MRT), which focus on optimizing the retransmission efficiency without the constraint on the encoding field size. We compared the performances of the proposed retransmission strategies with the traditional automatic repeat-request (ARQ) strategy and the random retransmission strategy. Simulation results showed that the PLERT strategy works well when the packet loss rate is small. Among these retransmission strategies, the performance of the MRT strategy is the best at the cost of the high complexity that is still polynomial. Furthermore, neither of the proposed strategies is sensitive to the encoding field size.
Key words: Generation    Network coding    Packet network    Retransmission
收稿日期: 2009-08-03 出版日期: 2010-07-06
CLC:  TN915  
基金资助: Project  supported  by  the  Science  and  Technology  Department  of Zhejiang Province, China (Nos. 2008C13081 and 2008C01050-2), the
Natural   Science   Foundation   of   Zhejiang   Province,   China   (No.Y10540720), and the Zhejiang Provincial Foundation for Returnees
通讯作者: Hui-fang CHEN     E-mail: chenhf@zju.edu.cn
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引用本文:

Zheng Wang, Hui-fang Chen, Lei Xie, Kuang Wang. Retransmission in the network-coding-based packet network. Front. Inform. Technol. Electron. Eng., 2010, 11(7): 544-554.

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http://www.zjujournals.com/xueshu/fitee/CN/10.1631/jzus.C0910475    或    http://www.zjujournals.com/xueshu/fitee/CN/Y2010/V11/I7/544

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