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In this paper, we present an energy efficient routing algorithm for multi-layer femtocell networks. We consider a four-layered architecture that consists users, femtocells, relays, and macro base stations. The traffic to/from users passes through this architecture and is aggregated from/to the Internet through gateways in the relay layer. The traffic demand from users changes from time to time, so...
In cognitive radio networks, multi-hop communication with efficient routing can improve the connectivity and spectrum efficiency for cognitive users. Many routing algorithms have been proposed, but they may provide unnecessarily long routing paths as the existence of primary users and especially their locations have not been explicitly taken into consideration. In this paper, we investigate distributed...
Based on DSR route protocol, this paper advances a proactive link switch strategy for high dynamic Ad Hoc wireless network named dynamic source route link switch mechanism (DSR-LS). In order to envoy packet transmission, DSR-LS utilizes RTS/DATA or CTS/ACK embedded with link switch request or reply option to find a new link in one-hop range of the node at the time of detecting a link breakage trend...
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