Cellular self-organization architecture for wireless sensor networks

Abstract - Wireless sensor networks are composed of large number of sensor nodes, which are limited in resources i.e. memory, energy and computation power. Sensor network life time is directly related to nodes energy. Wireless sensor networks are expected to be capable of self-organization in an efficient, reliable and continues manner during the life time of the network. Self-organization of wireless sensor networks are usually involved in partitioning the network into connected groups or clusters and is challenging task because of limited bandwidth and energy resources available in these networks. In this paper we propose a new cellular self-organized architecture for wireless sensor networks that extends the network life by efficiently utilizing nodes energy and distribute management tasks to support the scalability of management system in a densely deployed sensor networks. In our solution the network is partitioned into a virtual grid of cells. A cell manager and a gateway node are chosen in each cell to perform management tasks. Cell manager and gateway nodes coordinate with each other to perform management with minimum energy consumption. We assume a homogenous network where all nodes are equal in resources