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| Hierarchical Coordination for Data Gathering (HCDG) in Wireless Sensor Networks
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Full
text: |
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Source |
International Journal of Computer Science and Security (IJCSS) |
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Table of Contents |
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Download
Complete Issue PDF(4.17MB) |
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Volume: 5 Issue: 5 |
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Pages: NULL |
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Publication
Date: November / December 2011 |
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ISSN
(Online): 1985-1553 |
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Pages |
443 - 455 |
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Author(s) |
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Published
Date |
15-12-2011 |
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Publisher |
CSC
Journals, Kuala Lumpur,
Malaysia |
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ADDITIONAL
INFORMATION |
| Keywords Abstract References Cited by Related Articles Collaborative
Colleague |
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KEYWORDS: OCR (Optical Character Recognition), Non-OCR, Captcha2, Net |
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| This Manuscript is indexed in the following databases/websites:- |
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| 1. Scribd |
| 2. Google Scholar |
| 3. Bielefeld Academic Search Engine (BASE) |
| 4. Directory of Open Access Journals (DOAJ) |
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| A wireless sensor network (WSN) consists of large number of sensor nodes where each node operates by a finite battery for sensing, computing, and performing wireless communication tasks. Energy aware routing and MAC protocols were proposed to prolong the lifetime of WSNs. MAC protocols reduce energy consumption by putting the nodes into sleep mode for a relatively longer period of time; thereby minimizing collisions and idle listening time. On the other hand, efficient energy aware routing is achieved by finding the best path from the sensor nodes to the Base Sta-tion (BS) where energy consumption is minimal. In almost all solutions there is always a tradeoff between power consumption and delay reduction. This paper presents an improved hierarchical coordination for data gathering (HCDG) routing schema for WSNs based on multi-level chains formation with data aggregation. Also, this paper provides an analytical model for energy consumption in WSN to compare the performance of our proposed HCDG schema with the near optimal energy reduction methodology, PEGASIS. Our results demonstrate that the proposed routing schema provides relatively lower energy consumption with minimum delay for large scale WSNs. |
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