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

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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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288 - 14 self

BibTeX

@INPROCEEDINGS{Ye02atwo-tier,
    author = {Fan Ye and Haiyun Luo and Jerry Cheng and Songwu Lu and Lixia Zhang},
    title = {A Two-Tier Data Dissemination Model for Large-scale Wireless Sensor Networks},
    booktitle = {},
    year = {2002},
    pages = {148--159}
}

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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.

Keyphrases

mobile sink two-tier data dissemination model large-scale wireless sensor network sensor node grid structure stationary sink data source low overhead two-tier data dissemination approach limited battery power supply local cell excessive drain extensive simulation experiment increased collision multiple sink future data report ttdd performance cient data delivery sensor field wireless transmission frequent location update

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