Implementation of Energy Efficient technique using distribution election scheme based on GRMAC for Wireless Sensor Network

Abstract: The gridlock robust medium access control (GRMAC) is introduced in wireless sensor networks for collision-free channel access. GRMAC decreases the consumption of energy by allowing low-power and idle state to nodes whenever they are free i.e. neither transmitting nor receiving which ensures that all transmissions have no collisions including broadcast, unicast and multicast. GRMAC uses a time slot and a distribution election scheme which contains the information about the traffic at each node to find out which node can transmit at a particular time slot. GRMAC does not provide time slots to nodes which have no traffic to send, and also enable nodes to find out whether they are idle or not using the traffic information. GRMAC is good enough as no idle node is an intended receiver and no receiver suffers collisions. The efficiency of GRMAC can be find out through extensive simulations using both scenarios synthetic- as well as sensor-network. The results indicate that GRMAC gives contention-based protocols (e.g., CSMA, 802.11 and S-MAC) as well as scheduling-based protocols (e.g., NAMA) with significant energy savings.

Keywords: GRMAC (gridlock robust medium access control), wireless sensor network, collision free channel, CSMA (carrier sense multiple access).