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In Wireless Ad hoc network, cooperation of nodes can be achieved by more interactions at higher protocol layers, particularly the MAC (Medium Access Control) and network layers play vital role. MAC facilitates a routing protocol based on position location of nodes at network layer specially known as Beacon-Less Geographic Routing (BLGR) using Contention-based selection process. This paper proposes two levels of cross-layer framework -a MAC network cross-layer design for forwarder selection (or routing) and a MAC-PHY for relay selection.
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