A Hierarchical Scheduling Scheme in WSNs Based on Node-Failure Pretreatment. (7th July 2015)
- Record Type:
- Journal Article
- Title:
- A Hierarchical Scheduling Scheme in WSNs Based on Node-Failure Pretreatment. (7th July 2015)
- Main Title:
- A Hierarchical Scheduling Scheme in WSNs Based on Node-Failure Pretreatment
- Authors:
- Liu, Hai-yuan
Guo, Yi-nan
Chen, Mei-rong
Zhu, Yuan-shun - Abstract:
- One of the most important challenges in designing wireless sensor networks is how to recover a broken network within a very short time as the active nodes are failed or out-of-energy. Focusing on this problem, a hierarchical scheduling scheme based on node-failure pretreatment is proposed, in which the global optimization method is used to find the minimum connected tree and the local multilayer recovery algorithm is used to find a candidate sensor node instead of the failed one. Three highlights of this scheme are as follows: (1) The importance of sensor nodes is defined in terms of their locations in minimum connected tree and coverage acreage. (2) The neighborhood radius of failed sensor node varies with its importance, and then its candidate-node set is dynamically constructed. (3) A novel multilayer recovery strategy including node recovery and regional recovery is presented. Simulation results show that hierarchical scheduling scheme finds the optimal candidate sensor node in less time to make the repaired network with lowest energy consumption. Though the less sensor nodes are activated, the network lifetime is slightly shorter. Moreover, this scheme can be applied in the problem that the communication radius of sensor node is less than two times of its sensing radius.
- Is Part Of:
- International journal of distributed sensor networks. Volume 11:Number 7(2015)
- Journal:
- International journal of distributed sensor networks
- Issue:
- Volume 11:Number 7(2015)
- Issue Display:
- Volume 11, Issue 7 (2015)
- Year:
- 2015
- Volume:
- 11
- Issue:
- 7
- Issue Sort Value:
- 2015-0011-0007-0000
- Page Start:
- Page End:
- Publication Date:
- 2015-07-07
- Subjects:
- Sensor networks -- Periodicals
Intelligent agents (Computer software) -- Periodicals
Multisensor data fusion -- Periodicals
681.2 - Journal URLs:
- http://www.informaworld.com/smpp/title~content=t714578688~db=all ↗
http://www.metapress.com/openurl.asp?genre=journal&issn=1550-1329 ↗
http://dsn.sagepub.com/ ↗
http://www.tandfonline.com/ ↗ - DOI:
- 10.1155/2015/397615 ↗
- Languages:
- English
- ISSNs:
- 1550-1329
- Deposit Type:
- Legaldeposit
- View Content:
- Available online (eLD content is only available in our Reading Rooms) ↗
- Physical Locations:
- British Library DSC - 4542.186400
British Library DSC - BLDSS-3PM
British Library HMNTS - ELD Digital store - Ingest File:
- 7299.xml