Title :
Multi-channel MAC protocol for wireless sensor networks: A schedule-based approach
Author :
Hamid, M.A. ; Abdullah-Al-Wadud, M. ; Chong, Ilyoung
Author_Institution :
Dept. of Inf. & Commun., Hankuk Univ. of Foreign Studies, Yongin, South Korea
Abstract :
Limited bandwidth remains a pressing issue for wireless sensor networks (WSNs) due to the half-duplex property of the sensor radio and the broadcast nature of wireless medium. Designing multi-channel MAC protocol attracts the interest of many researchers as a cost effective solution to meet the higher bandwidth demand for the limited bandwidth in WSN. In this paper, we present a scheduled-based multi-channel MAC protocol to improve the network performance. In our protocol, each receiving node selects (schedules) some timeslot(s), in which it may receive data from the intending sender(s). The timeslot selection is done in a conflict free manner, where a node avoids the slots that are already selected by others in its interference range. To minimize the conflicts during timeslot selection, we propose a unique solution by splitting the neighboring nodes into different groups, where nodes of a group may select the slots allocated to that group only. We demonstrate the effectiveness of our approach thorough simulations in terms of performance parameters such as aggregate throughput, packet delivery ratio, end-to-end delay, and energy consumption.
Keywords :
access protocols; wireless sensor networks; aggregate throughput; end-to-end delay; energy consumption; half-duplex property; multi-channel MAC protocol; packet delivery ratio; receiving node; sensor radio; timeslot selection; wireless sensor networks; Delay; Media Access Protocol; Multiaccess communication; Schedules; Throughput; Wireless sensor networks; Medium access control; multichannel single radio; scheduled access; wireless sensor network;
Conference_Titel :
Information Networking (ICOIN), 2011 International Conference on
Conference_Location :
Barcelona
Print_ISBN :
978-1-61284-661-3
DOI :
10.1109/ICOIN.2011.5723136