Energy efficient and best throughput MAC protocol
Journal Title: International Journal of engineering Research and Applications - Year 2018, Vol 8, Issue 12
Abstract
“Smart Cities” has been envisioned during the last decay. Moreover, various projects have been initiated to bring this concept into reality. Smart City is basically an emergence of the existing and new ICT technologies to make our living standard more safe and digitized. Wireless communications such as sensors, actuators, intelligent transportation systems, smart grids have played a vital role in the dissemination of information under the given circumstances. Similarly, it is hard to declare any “city” as a “smart” without taking benefits from Wireless Sensor Networks (WSN). However, with new requirements, and delay sensitive applications, the existing WSN requires significant alterations at several layers. In this paper, a new TDMA based MAC protocol, called Energy efficient and Best throughput MAC (EEBTMAC) is proposed for adaptive traffic in hierarchical Wireless Sensor Networks (WSNs) that can be deployed in the smart cities. EEBTMAC is specifically designed to improve the quality control of such smart cities applications where diverse traffic is required and loss or delay in data traffic is unacceptable. The main contribution of EEBTMAC is that: (a) it uses small size time slots. (b) the number of those time slots are more than the number of member nodes. (c) Knapsack algorithm is used to schedule time slots. (d) Short node address (1 Byte) is proposed to identify member nodes. First two contributions of (EEBTMAC) handle adaptive traffic loads of all members in an efficient manner. The knapsack algorithm not only reduces the job completion time of a node but also minimizes the average packet delay with better link utilization. The short node address reduces the control overhead that improves the energy efficiency. The simulation results verify that the proposed EEBTMAC transmits more data with less delay and energy consumption compared to the existing MAC protocols.
Authors and Affiliations
Gorre Narsimhulu, Dr. D. Srinivasa Rao
Keywords
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