RICA: a ring-based information collection architecture in wireless sensor networks

Authors:
Shih-Chang Huang;Rong-Hong Jan;Wuu Yang
Affiliations:
Department of Computer Science, National Chiao Tung University, Hsinchu 30050, Taiwan.;Department of Computer Science, National Chiao Tung University, Hsinchu 30050, Taiwan.;Department of Computer Science, National Chiao Tung University, Hsinchu 30050, Taiwan
Venue:
International Journal of Sensor Networks
Year:
2006

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Abstract

We propose a novel data collection architecture, calledRing-based Information Collection Architecture (RICA), for sensornetworks. In the RICA scheme, sensors are organised into a ring.According to our study, the transmission delay time of datacollection in a ring is only a half of that in PEGASIS, in whichsensors are organised into a chain. We present a ring constructionalgorithm for RICA, which can reduce the average transmissiondistance between every pair of adjacent sensors. In addition, wealso propose another scheme, called L-RICA, to further reduce thetransmission delay time of RICA. L-RICA makes use of a layered-ringarchitecture for concurrent transmissions. Simulation results showthat RICA indeed has longer-life time and lower Energy ×Delay than both the cluster-based scheme (e.g. LEACH) and thechain-based scheme (e.g. PEGASIS). Compared to other layeredarchitecture, L-RICA outperforms the chain-based binary andchain-based three-level schemes.