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The Dynamic Channel Allocation Algorithm for Collision Avoidance in LR-WPAN  

Lim, Jeong-Seob (Dept. of Electronic Engineering Inha University)
Yoon, Wan-Oh (Dept. of Electronic Engineering Inha University)
Seo, Jang-Won (Dept. of Electronic Engineering Inha University)
Choi, Han-Lim (Dept. of Electronic Engineering Inha University)
Choi, Sang-Bang (Dept. of Electronic Engineering Inha University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.47, no.6, 2010 , pp. 10-21 More about this Journal
Abstract
In the cluster-tree network which covers wide area network and has many nodes for monitoring purpose traffic is concentrated around the sink. There are long transmit delay and high data loss due to the intensive traffic when IEEE 802.15.4 is adapted to the cluster-tree network. In this paper we propose Dynamic Channel Allocation algorithm which dynamically allocates channels to increase the channel usage and the transmission success rate. To evaluate the performance of DCA, we assumed the monitoring network that consists of a cluster-tree in which sensing data is transmitted to the sink. Analysis uses the traffic data which is generated around the sink. As a result, DCA is superior when much traffic is generated. During the experiment assuming the least amount of traffic, IEEE 802.15.4, has the minimum length of active period and 90% data transmission success rate. However DCA maintains 11.8ms of active period length and results in 98.9% data transmission success rate.
Keywords
LR-WPAN; IEEE 802.15.4; Zigbee; Beacon-enabled; Sensor network;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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