Opportunistic Scheduling for Wireless Network Coding

被引：20
|
作者：
Yomo, Hiroyuki [1 ]
Popovski, Petar [1 ]
机构：
[1] Aalborg Univ, Dept Elect Syst, Antenna Propagat & Networking Grp, Aalborg, Denmark
来源：
IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2009年 / 8卷 / 06期
关键词：
Wireless network coding; fading; rate adaptation; adaptive modulation; opportunistic scheduling;
D O I：
10.1109/TWC.2009.080266
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This letter addresses a scheduling problem for wireless network coding (WNC). In our previous work, we have theoretically shown that the optimum number of nodes to be included into a network-coded packet as well as its transmission rate depends on time-varying link condition between a transmitting node and receiving nodes [1]. Based on this observation, this letter designs practical scheme which opportunistically selects scheduled nodes, packets to be coded and an employed modulation level according to time-varying channel conditions and packet length. The numerical results show that the proposed opportunistic scheduling can improve the overall throughput as compared with non-opportunistic approach.
引用
收藏
页码：2766 / 2770
页数：5
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