Adaptive Square-Shaped Trajectory-Based Service Location Protocol in Wireless Sensor Networks

Autor: Hwa-Jung Lim, Joa-Hyoung Lee, Heon-Guil Lee
Jazyk: angličtina
Rok vydání: 2010
Předmět:
Zdroj: Sensors, Vol 10, Iss 5, Pp 4497-4520 (2010)
Druh dokumentu: article
ISSN: 1424-8220
DOI: 10.3390/s100504497
Popis: In this paper we propose an adaptive square-shaped trajectory (ASST)-based service location method to ensure load scalability in wireless sensor networks. This first establishes a square-shaped trajectory over the nodes that surround a target point computed by the hash function and any user can access it, using the hash. Both the width and the size of the trajectory are dynamically adjustable, depending on the number of queries made to the service information on the trajectory. The number of sensor nodes on the trajectory varies in proportion to the changing trajectory shape, allowing high loads to be distributed around the hot spot area.
Databáze: Directory of Open Access Journals