Abstract
In fourth generation (4G) wireless networks and beyond, it is strongly anticipated that mobile ad hoc network will be used to economically extend their coverage and capacity. The mobile ad hoc networks provide new applications, but also face significant technical challenges. Recently, it has been argued that layered architectures are not suitable for wireless networks. In an effort to improve the performance of mobile ad hoc networks, there has been increased interest in protocols that rely on cross-layer interactions between different layers. In this paper, we proposed and studied three cross-layer designs among physical, medium access control and routing (network) layers, using Received Signal Strength (RSS) as cross-layer interaction parameter for energy conservation, unidirectional link rejection and reliable route formation in mobile ad hoc networks. These proposed cross-layer designs are implemented using GloMoSim, the Global Mobile Simulator, and the performance of cross-layer protocol frame work is studied.
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