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The Dynamic Allocation Algorithm for Efficient Data Transmission in Wireless Sensor Network  

Kim, Ji-Won (Dept. of Electronic Engineering Inha University)
Yoon, Wan-Oh (Dept. of Electronic Engineering Inha University)
Kim, Kang-Hee (Dept. of Electronic Engineering Inha University)
Hong, Chang-Ki (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 CI / v.49, no.3, 2012 , pp. 62-73 More about this Journal
Abstract
IEEE 802.15.4 standard which has low-speed, low-power, low-cost can be efficiently used in wireless sensor network environment. Among various topologies used in IEEE 802.15.4 standard, a cluster-tree topology which has many nodes in it, transmit delay, energy consumption and data loss due to traffic concentration around the sink node. In this paper, we propose the MRS-DCA algorithm that minimizes conflicts between packets for efficient data transmission, and dynamically allocates the active period for efficient use of limited energy. The MRS-DCA algorithm allocates RP(Reservation Period) to the active period of IEEE 802.15.4 and guarantees reliable data transmission by allocating RP and CAP dynamically which is based on prediction using EWMA. The comparison result shows that the MRS-DCA algorithm reduces power consumption by reducing active period, and increasing transmission rate by avoiding collision.
Keywords
IEEE 802.15.4 standard; Superframe; Sensor Network; Cluster-tree topology;
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Times Cited By KSCI : 1  (Citation Analysis)
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