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Throughput-delay analysis of one-to-many wireless multi-hop flows based on random linear network coding

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3 Author(s)
Tao Shang ; Sch. of Electron. & Inf. Eng., Beihang Univ., Beijing, China ; Yong Fan ; Jianwei Liu

This paper addresses the issue of throughput-delay of one-to-many wireless multi-hop flows based on random linear network coding (RLNC). Existing research results have been focusing on the single-hop model which is not suitable for wireless multi-hop networks. In addition, the conditions of related system model are too idealistic. To address these limitations, we herein investigate the performance of a wireless multi-hop network, focusing on the one-to-many flows. Firstly, a system model with multi-hop delay was constructed; secondly, the transmission schemes of system model were gradually improved in terms of practical conditions such as limited queue length and asynchronous forwarding way; thirdly, the mean delay and the mean throughput were quantified in terms of coding window size if and number of destination nodes N for the wireless multi-hop transmission. Our findings show a clear relationship between the multi-hop transmission performance and the network coding parameters. This study results will contribute significantly to the evaluation and the optimization of network coding method.

Published in:

Communications and Networks, Journal of  (Volume:15 ,  Issue: 4 )