الفهرس 
Problem Statement
Directed DiffusionOnly 14 pages are availabe for public view
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Abstract
Over recent years, Wireless sensor networks(WSNs)take more researchers’ attraction because of their support many types of applications such as combat field management and disaster surveillance. The main problem in WSNs is energy consumption for communicating and sending data between sensors.Therefore,Using efficient methods in both routing and clustering process are essential need to prolong the network lifetime.