Abstract

In wireless sensor network (WSN), a number of different sensors are put in environmental field. The sensors capture the climatic conditions and changes. All captured data are sent to the destination node. The parameters of WSN are energy efficiency, congestion, throughput, scalability, latency, and delay. Energy efficiency and congestion are the challenging issues of a network. For efficient performance of the network, Mac and routing protocols are used. This paper studies MDSA Mac protocol, ABSD algorithm, TRMAC, and on-the-fly (OTF) bandwidth reservation algorithm. There are also certain techniques introduced, such as cross-layer operational model and CSMA protocol with polling technique. It provides advantage to increase the energy efficiency, improve network performance, and schedule bandwidth according to the traffic load. This paper is useful for beginners for studying and achieving the various QoS factors using different Mac protocols and techniques to improve the network performance.

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