A Two-Tier Data Dissemination Model for Large-scale Wireless Sensor Networks

A Two-Tier Data Dissemination Model for Large-scale Wireless Sensor Networks (2002)

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by Fan Ye , Haiyun Luo , Jerry Cheng , Songwu Lu , Lixia Zhang

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Datum	Value	Source
TITLE	A Two-Tier Data Dissemination Model for Large-scale Wireless Sensor Networks	user correction - Legacy Corrections
AUTHOR NAME	Fan Ye	user correction - Legacy Corrections
AUTHOR AFFIL	UCLA Computer Science Department	user correction - Legacy Corrections
AUTHOR ADDR	Los Angeles, CA 900095-1596	user correction - Legacy Corrections
AUTHOR NAME	Haiyun Luo	user correction - Legacy Corrections
AUTHOR AFFIL	UCLA Computer Science Department	user correction - Legacy Corrections
AUTHOR ADDR	Los Angeles, CA 900095-1596	user correction - Legacy Corrections
AUTHOR NAME	Jerry Cheng	user correction - Legacy Corrections
AUTHOR AFFIL	UCLA Computer Science Department	user correction - Legacy Corrections
AUTHOR ADDR	Los Angeles, CA 900095-1596	user correction - Legacy Corrections
AUTHOR NAME	Songwu Lu	user correction - Legacy Corrections
AUTHOR AFFIL	UCLA Computer Science Department	user correction - Legacy Corrections
AUTHOR ADDR	Los Angeles, CA 900095-1596	user correction - Legacy Corrections
AUTHOR NAME	Lixia Zhang	user correction - Legacy Corrections
AUTHOR AFFIL	UCLA Computer Science Department	user correction - Legacy Corrections
AUTHOR ADDR	Los Angeles, CA 900095-1596	user correction - Legacy Corrections
ABSTRACT	networking. It suggests that information about each mobile sink's location be continuously propagated through the sensor field to keep all sensor nodes updated with the direction of forwarding future data reports. Unfortunately frequent location updates from multiple sinks can lead to both excessive drain of sensors' limited battery power supply and increased collisions in wireless transmissions. In this paper we describe TTDD, a Two-Tier Data Dissemination approach that provides scalable and e#cient data delivery to multiple mobile sinks. Each data source in TTDD proactively builds a grid structure which enables mobile sinks to continuously receive data on the move by flooding queries within a local cell only. TTDD's design exploits the fact that sensor nodes are stationary and location-aware to construct and maintain the grid structures with low overhead. We have evaluated TTDD performance through both analysis and extensive simulation experiments. Our results show that TTDD handles multiple mobile sinks e#ciently with performance comparable with that of stationary sinks.	user correction - Legacy Corrections
YEAR	2002	INFERENCE
VENUE TYPE	CONFERENCE	INFERENCE
PAGES	148--159	INFERENCE
CITATIONS	21 found	ParsCit 1.0