We define a Quality-of-Power-Service (QoPS) metric to evaluate the efficiency of power-aware routing protocols in wireless ad-hoc networks. The aim of power management of routing protocols is to prolong the life-time of individual nodes in wireless network and thus to increase the delivery rate of Unicast transactions. QoPS metric is applied to different location-based Unicast transaction protocols. The results confirm that powerrelative distribution of data streams in multi-paths Unicast

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... ction protocols consume substantially less energy from individual nodes than from other distribution methods. The locality distribution phenomenon discovered by the simulations explains, on the one hand, the long lifetime of large, dense, and highly degree wireless networks, and on the other hand, the short lifetime of small, sparse, and low degree networks