Title :
A Free Collision and Distributed Slot Assignment Algorithm for Wireless Sensor Networks
Author :
Slama, Ines ; Jouaber, Badii ; Zeghlache, Djamal
Author_Institution :
Wireless Networks & Multimedia Services Dept., TELECOM & Manage. Sudparis, Evry
Abstract :
This paper introduces I-MAC a new hybrid medium access control protocol for wireless sensor networks (WSNs). I- MAC combines both CSMA and TDMA techniques while introducing prioritization. It aims to improve energy efficiency as well as channel utilization. I-MAC is composed of two phases: a setup phase and a transmission phase. During the setup phase, several operations such as neighborhood discovery, slot assignment, local framing and global synchronization are run. During the transmission phase, a priority scheme is investigated to control the access to the channel. We focus in this paper on the description and evaluation of the different setup phase operations particularly DNIB, a new TDMA free collision slot assignment algorithm proposed for WSNs.
Keywords :
carrier sense multiple access; time division multiple access; wireless sensor networks; CSMA; I-MAC; TDMA free collision; channel utilization; distributed slot assignment algorithm; energy efficiency; global synchronization; hybrid medium access control protocol; local framing; setup phase; transmission phase; wireless sensor networks; Access protocols; Clocks; Energy consumption; Media Access Protocol; Multiaccess communication; Network topology; Synchronization; Time division multiple access; Wireless application protocol; Wireless sensor networks;
Conference_Titel :
Global Telecommunications Conference, 2008. IEEE GLOBECOM 2008. IEEE
Conference_Location :
New Orleans, LO
Print_ISBN :
978-1-4244-2324-8
DOI :
10.1109/GLOCOM.2008.ECP.78
