Interference Mitigation in IEEE 802.15.4 Networks

被引：0
|
作者：
Han, Jin-Seok [1 ]
Kim, Hyung-Sin [1 ]
Bang, Jae-Seok [1 ]
Lee, Yong-Hwan [1 ]
机构：
[1] Seoul Natl Univ, Sch Elect Engn, Kwanak POB 34, Seoul 151600, South Korea
来源：
2011 IEEE GLOBAL TELECOMMUNICATIONS CONFERENCE (GLOBECOM 2011) | 2011年
基金：
新加坡国家研究基金会;
关键词：
ALGORITHMS; POWER;
D O I：
暂无
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：
In this paper, we consider interference mitigation in IEEE 802.15.4 beacon-enabled cluster-tree networks. The proposed scheme first detects the presence of interference by means of packet-error detection and/or channel sensing in a cluster-wise manner. In the presence of interference, the coordinator (or cluster head) fast notifies the presence of interference to its end devices by repeatedly transmitting the channel-handoff command. Then, it avoids the interference by the use of temporary channel hopping through predetermined hopping channels. Finally, it selects the best one among the hopping channels, which will be used as the final handoff channel. Simulation results show that the proposed scheme provides marked performance improvement over conventional schemes even in the presence of heavy interference.
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页数：5
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