AGEM: Adaptive Greedy-Compass Energy-aware Multipath Routing Protocol for WMSNs

TL;DR

This paper introduces AGEM, an energy-aware multipath routing protocol for WMSNs that uses local position-based decisions to enhance network lifetime, QoS, and scalability without requiring global topology knowledge.

Contribution

The paper proposes a novel adaptive greedy-compass routing protocol that improves energy efficiency and scalability in WMSNs by using local position information and load balancing.

Findings

Maximizes network lifetime

Guarantees QoS for video streams

Scales better in dense networks

Abstract

This paper presents an Adaptive Greedy-compass Energy-aware Multipath protocol (AGEM), a novel routing protocol for wireless multimedia sensors networks (WMSNs). AGEM uses sensors node positions to make packet forwarding decisions. These decisions are made online, at each forwarding node, in such a way that there is no need for global network topology knowledge and maintenance. AGEM routing protocol performs load-balancing to minimize energy consumption among nodes using twofold policy: (1) smart greedy forwarding, based on adaptive compass and (2) walking back forwarding to avoid holes. Performance evaluations of AGEM compared to GPSR (Greedy Perimeter Stateless Routing) show that AGEM can: (a) maximize the network lifetime, (b) guarantee quality of service for video stream transmission, and (c) scale better on densely deployed wireless sensors network.