Kamat, Maznah and Ismail, Abdul Samad and Olariu, Stephan (2007) Optimized-hilbert for mobility in wireless sensor networks. In: International Conference on Computational Science and Its Applications (ICCSA 2007), 25-29 Aug 2007, Kuala Lumpur.
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Abstract
In wireless sensor networks (WSNs), mobilizing sink node for data collection can minimize communication and maximize network lifetime. Several mobility algorithms have been proposed to control sink node's movement. However, they do not consider mobility for coverage area problem. Hilbert space-filling curves technique is modified to navigate mobile sink in traversing specflic area of the sensor field. The algorithm is called optimized-Hilbert, which provides mobility pattern of a sink node in covering an ellipsoidal monitoring area during data collection for a specific mission by traversing the entire area from an entry point and finish at an exit point of square grids. The optimized-Hilbert requires less number of steps as compared to conventional Hilbert. Additionally, it is also compared with circular mobility, and result indicates the efficiency of optimized Hilbert.
Item Type: | Conference or Workshop Item (Paper) |
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Uncontrolled Keywords: | hilbert space-filling curves technique, data collection, ellipsoidal monitoring, mobility algorithms |
Subjects: | Q Science > QA Mathematics > QA75 Electronic computers. Computer science |
Divisions: | Computer Science and Information System |
ID Code: | 25075 |
Deposited By: | INVALID USER |
Deposited On: | 08 May 2012 05:14 |
Last Modified: | 06 Aug 2017 00:50 |
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