INTERNATIONAL JOURNAL OF RESEARCH IN COMPUTER APPLICATIONS AND ROBOTICS www.ijrcar.com Vol.3 Issue 11, Pg.: 33-47 November 2015 Rishabh Raghuvanshi, Pulkit Jain, Shrey Baderiya & Kakelli Anil Kumar Page 33 INTERNATIONAL JOURNAL OF RESEARCH IN COMPUTER APPLICATIONS AND ROBOTICS ISSN 2320-7345 A NEW MAC PROTOCOL IN WIRELESS SENSOR NETWORKS FOR ENERGY PRESERVING Rishabh Raghuvanshi 1 , Pulkit Jain 2 , Shrey Baderiya 3 , Kakelli Anil Kumar 4 1 BE (Computer Science), Indore Institute of Science & Technology-II, Indore (M.P.), India (rishabhraghuvanshi@gmail.com) 2 BE (Computer Science), Indore Institute of Science & Technology-II, Indore (M.P.), India (pulkit0304@gmail.com) 3 BE (Computer Science), Indore Institute of Science & Technology-II, Indore (M.P.), India (shreybaderiya@gmail.com) 4 Associate Professor, Department of CSE, Indore Institute of Science & Technology-II, Indore (M.P.), India (anilsekumar@gmail.com) Author Correspondence: Rishabh Raghuvanshi, 550/7 Nanda Nagar Indore (M.P.) India, +91-9669522051 (rishabhraghuvanshi@gmail.com) Abstract: - A New MAC Protocol in Wireless Sensor Networks (WSN) for Energy Preserving is a research based project in the field of wireless sensor networks. The literature survey on WSN results in understanding the working of wireless sensor networks on various applications. We studied the various available MAC protocols in wireless sensor networks, and the applications of the protocols, along with their implementations in the layered architecture of WSN. In our study we observed that, the wastage of energy in wireless sensor networks is high due to communication overhead between nodes. In wireless sensor networks energy plays a most important role for the sensing, processing and communication at node level. The nodes in the wireless sensor networks have their own power source, but it is very limited. However, the sensor nodes do not get replaced or recharged after their deployment. Hence energy preservation is the most important feature in wireless sensor network. Our review paper introduces WSN introduction, its applications, protocol stack and various MAC protocol in wireless sensor networks. Keywords: Wireless Sensor Network (WSN), Energy Preservation, MAC Protocol. 1. Introduction to Wireless Sensor Networks: A Wireless Sensor Network [1] is a combination of various distributed autonomous sensors (nodes) to monitor physical or environmental conditions like pressure, sound, temperature etc. The field of Wireless Sensor Networks includes sensing & computation of gathered information and a communication system in a single small device [5] . A wireless sensor network is sometimes also called as wireless sensor and actor network as it collects the data and further transfers the data to the main location where the main server of the sensor is located. The new modern sensor networks support the bidirectional working of the sensor; it also enables us to control the sensor activity. Basically the development of wireless sensor networks was motivated from the technique of