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Wireless sensor networks (WSNs) consist of multiple sensor nodes, which communicate with each other under the constrained energy resources. Retransmissions caused by collision and interference during the communication among sensor nodes increase overall network delay. Since the network delay increases as the node’s waiting time increases, the network performance is reduced. Thus, the link scheduling...
Transmission reliability and energy consumptions are two critical concerns associated with wireless sensor network (WSN) design for a long time and continuous operation. With the increase in reliability of the transmission, the energy consumption increases by affecting the efficiency of the network. This paper proposes the Schedule based Collision Avoidance (SCA) algorithm for finding the tradeoff...
Collision Sense Multiple Access (CSMA) has been preferred to Time Division Multiple Access (TDMA) as medium access scheme for Wireless Multimedia Sensor Network (WMSN) in the scenarios where the traffic is bursty in nature and multiple consecutive and contiguous packets generated from the same collision neighborhood need to be sent. Protocols based on nonuniform probability distribution do not perform...
Designing of media access control (MAC) protocol is one of the major challenges in underwater acoustic sensor networks. Because of the long and changeful propagation delay, MAC protocols for traditional terrestrial sensor networks are unavailable. We propose a TDMA-based approach which is easy to dispose and energy-efficient. In brief, our MAC protocol includes the lightweight synchronization designed...
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