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Performance Analysis of Distributed Mac Protocol with Physical Layer Network Coding Scheme

Mobile ad hoc network consists of mobile nodes and all the mobile nodes arrange in a distributed architecture. This network is an infrastructure less network connected by mobile devices. Each node in the mobile ad hoc network can move free from one place to another place. From cooperative communication can increase the throughput and reduce the cost of the network. Conventional network coding (CNC) and physical layer network coding (PNC) are the existing techniques for the wireless network to share the medium simultaneously to avoid the collision. But these existing techniques cannot apply in the multi hop network. To overcome these issues proposed a new technique called physical layer network coding in distributed medium access control protocol (PNC-DMAC). This technique is applicable for simultaneously transmit the data from source to destination without collision in multi hop wireless network. This proposed protocol is used to increase the throughput, packet delivery ratio and network lifetime. Using the relay nodes can perform the transmission with CSMA (Carrier Sense Multiple Access) strategy and used the extension of IEEE 802.11 medium access control protocol. Simulation results analyze the performance of the proposed protocol using quality of service parameters.