Abstract:
In this study, the author proposed a simple cross layer design between Physical (PHY) and Medium Access Control (MAC) layers for power conservation based on transmission power control. The Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) mechanism of IEEE 802.11 Wireless Local Area Network (WLAN) standard is integrated with the power control algorithm. In this method, the exchange of RTS/CTS control signals is used to piggyback the necessary information to enable the transmitting nodes to discover the required minimum amount of power that is needed to transmit their data packets. The author have implemented simulation using Global Mobile Simulator (GIoMoSim) and studied its performance using on-demand routing protocols such as Ad-hoc On-demand Distance Vector (AODV) and Node Transition Probability (NTP) based routing. AODV is a standardized protocol that uses shortest path metric, whereas NTP based routing is a recently proposed protocol that uses transition probabilities of nodes and chooses the nearest neighbour for next hop. Author obtained around 7% power conservation with AODV and 17.5% power conservation with NTP based routing protocol.
Page(s):
125-131
DOI:
DOI not available
Published:
Journal: Information technology Journal, Volume: 4, Issue: 2, Year: 2005