Neighbor Turn Taking MAC - A Loosely Scheduled Access Protocol for Wireless Networks

In this paper a new approach to medium access in a wireless ad hoc network based on neighbor knowledge and their activity is presented. Nodes take turns to transmit based on their neighbors and their transmissions, which reduces the collision probability and avoids the latency due to backoff (and exponential backoff) experienced in random access protocols. The scheme uses features from 802.11 DCF MAC and adopts a loose scheduling approach which is distributed. The performance of this scheme is compared with 802.11 DCF MAC as this is the more popular random access MAC for wireless ad hoc networks.