MAC Protocols for Optimal Information Retrieval Pattern in Sensor Networks with Mobile Access. Issue 4 (8th September 2005)

• Record Type: Journal Article
• Authors: Yang, Zhiyu; Dong, Min; Tong, Lang; Sadler, Brian M.
• Is Part Of: EURASIP journal on wireless communications and networking. Volume 2005:Issue 4(2005)
• Page Start: 493
• Page End: 504
• Publication Date: 2005-09-08
• Subjects: medium access control -- signal field reconstruction -- sensor networks; Wireless communication systems -- Periodicals; Signal processing -- Periodicals; 621.38405
• DOI: 10.1155/WCN.2005.493
• Languages: English
• ISSNs: 1687-1499

Abstract

Abstract : In signal field reconstruction applications of sensor network, the locations where the measurements are retrieved from affect the reconstruction performance. In this paper, we consider the design of medium access control (MAC) protocols in sensor networks with mobile access for the desirable information retrieval pattern to minimize the reconstruction distortion. Taking both performance and implementation complexity into consideration, besides the optimal centralized scheduler, we propose three decentralized MAC protocols, namely, decentralized scheduling through carrier sensing, Aloha scheduling, and adaptive Aloha scheduling. Design parameters for the proposed protocols are optimized. Finally, performance comparison among these protocols is provided via simulations.