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GPS-Free Event-to-Sink Routing Scheme for Data Aggregation in Wireless Sensor Networks

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3 Author(s)
Bing-Hong Liu ; Dept. of Electron. Eng., Nat. Kaohsiung Univ. of Appl. Sci., Kaohsiung, Taiwan ; Jyun-Yu Jhang ; Kuo-Wen Su

Recently, many researchers address on the problem of reducing power consumption for data aggregation in wireless sensor networks. However, many existing event-to-sink routing schemes for data aggregation require assistance from a global positioning system (GPS), which is not always available. In this paper, we propose a GPS-free event-to-sink routing scheme for data aggregation in wireless sensor networks (GFESR). In GFESR, an axis-based virtual coordinate assignment protocol (ABVCap) that requires no GPS assistance is used to assign each node at least a virtual coordinate in wireless sensor networks. The event-to-sink routing scheme based on ABVCap is proposed to aggregate data for reducing the power consumption. In GFESR, the sensors are grouped into a number of cells. The events in the same cell are aggregated by intra-cell routing scheme and the events in different cells are aggregated by inter-cell routing scheme.

Published in:

Innovations in Bio-inspired Computing and Applications (IBICA), 2011 Second International Conference on

Date of Conference:

16-18 Dec. 2011