Assisted-Leach (A-Leach) Energy Efficient Routing Protocol for Wireless Sensor Networks

Provided by: International Association of Computer Science & Information Technology (IACSIT)
Topic: Networking
Format: PDF
The nodes in a wireless sensor network have limited energy and hence, lifetime maximization is the prime task during protocol design. Low Energy Adaptive Clustering Hierarchy (LEACH) protocol is a benchmark Clustering Protocol which imposes upon cluster heads the complete load of aggregation and relay of messages to base-station. The authors' protocol Assisted LEACH (A-LEACH) achieves lessened and uniform distribution of dissipated energy by separating the tasks of Routing and Data Aggregation. It introduces the concept of Helper Nodes which assist Cluster Heads for Multi-hop Routing. A new algorithm has been formulated to facilitate energy efficient Multi-hop Route Setup for helper nodes to reach base station.

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