Minimizing Completion Time for Relay-Assisted Multicast With Instantly Decodable Network Coding

被引：3

作者：

Gou, Liang ^{[1
]}

Zhang, Gengxin ^{[1
]}

Bian, Zhengguo ^{[1
]}

Bian, Dongming ^{[1
]}

Xie, Zhidong ^{[1
]}

机构：

[1] PLA Univ Sci & Technol, Coll Commun Engn, Nanjing 210007, Jiangsu, Peoples R China

来源：

IEEE COMMUNICATIONS LETTERS | 2016年 / 20卷 / 03期

基金：

中国国家自然科学基金;

关键词：

Relay-assisted multicast; completion time; network coding; selective retransmission; packet scheduling;

D O I：

10.1109/LCOMM.2016.2518163

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

We propose a selective retransmission (SR) protocol for relay-assisted multicast systems with instantly decodable network coding (IDNC). Our protocol consists of three stages, the initial transmission stage, selective retransmission stage, and relay retransmission stage. To reduce the computational complexity, weighted packet scheduling (WPS) algorithm, which is used to select coded packets in greed manner has been presented. The object of our protocol and algorithm is to maximize transmission gain so as to minimize completion time. The simulation results indicate that our new SR-WPS scheme achieves good performance in terms of block completion time.

引用

页码：434 / 437

页数：4

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