Analysis of a simple recruiting method for cooperative routes and strip networks

Authors:
Aravind Kailas;Mary Ann Ingram
Affiliations:
School of Electrical and Computer Engineering, Georgia Institute of Technology, Altanta, GA;School of Electrical and Computer Engineering, Georgia Institute of Technology, Altanta, GA
Venue:
IEEE Transactions on Wireless Communications
Year:
2010

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Abstract

The opportunistic large array (OLA) is the basis for a simple cooperative transmission protocol that is suitable for broadcasting in wireless sensor networks and in which every node transmits once per broadcast. OLA with transmission threshold (OLA-T) is an energy-efficient extension of the OLA protocol that limits node participation during broadcasting. Performance of OLA-T has been studied for disc-shaped networks. In this paper, we propose a method to systematically set the transmission threshold and design the OLAs for two-dimensional strip-shaped networks. Theoretical bounds and conditions for achieving sustained OLA propagation and reducing the total energy consumption in the network using OLA-T have been derived in this paper. These results would also apply to arbitrarily shaped networks that have node participation limited to strip-shaped collections.