A Routing Mechanism Based on the Sensing Relevancies of Source Nodes for Time-Critical Applications in Visual Sensor Networks

• Type: Article in International Conference Proceedings Book
• Date: 2013

Authors

D. Costa (Author) Other; L. Guedes (Author) Other; Francisco Vasques (Author) FEUP; Paulo Portugal (Author) FEUP

Conference proceedings International

Title: 2012 IFIP WIRELESS DAYS (WD)

Pages: 1-6

IFIP Wireless Days (WD)

Dublin, IRELAND, NOV 21-23, 2012

Indexing

ISI Web of Knowledge - 27 Citations

Scopus - 17 Citations

Scientific classification

FOS: Engineering and technology > Electrical engineering, Electronic engineering, Information engineering

CORDIS: Technological sciences > Engineering > Electrical engineering

Other information

Authenticus ID: P-008-97A

DOI: 10.1109/wd.2012.6402808

Abstract (EN): Wireless sensor networks may be deployed to retrieve visual information from the monitored field, enriching monitoring and control applications. Whenever a set of camera-enabled sensor nodes are deployed for time-critical monitoring, visual information as still images and video streams may need to reach the sink as soon as possible, requiring a differentiated treating of the network when compared with non-critical visual data. In such way, considering that source nodes may have different sensing relevancies for the application, according to the desired monitoring tasks and the current sensors' poses and fields of view, we propose a delay-aware multihop routing mechanism where higher relevant visual data packets are routed through paths with lower end-to-end delay. As sensor nodes are expected to be energy-constrained, transmitting only high-relevant packets through shorter/faster paths may prolong their lifetime and assure longer time-critical delivering, with low impact to the overall monitoring quality.

Language: English

Type (Professor's evaluation): Scientific

No. of pages: 6