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This paper we presented the design objectives and technical challenges for effective MAC protocols in MANET. Complex environments in ad hoc networks require a joint control of physical (PHY) and medium access control (MAC) layers resources in order to optimize performance. We discuss the benefits of cross-layer frame and give a multichannel MAC approach.
Complex environments in ad hoc networks require a joint control of physical (PHY) and medium access control (MAC) layers resources in order to optimize performance. In this paper, we introduce a new approach to design protocols of MANET. The benefits of protocols which integrate the MAC protocol with higher layers are also considered.
Due to their dynamic topologies, providing quality of service (QoS) in wireless ad hoc networks introduces major new challenges to the research community. Now, the commercially available ad-hoc network products are those based on the IEEE802.11 Distributed Coordination Function (DCF). Cooperative communications fully leverages the broadcast nature of the wireless channel and spatial diversity, thereby...
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