Spectrum-aware wireless sensor networks

Author

Peng Du ; Roussos, G.

Author_Institution

Dept. of Comput. Sci. & Inf. Syst., Univ. of London, London, UK

fYear

2013

fDate

8-11 Sept. 2013

Firstpage

2321

Lastpage

2325

Abstract

Wireless sensor networks (WSN) are one of the enabling technologies for the Internet of Things. Due to the restricted capability of sensor, the performance of WSN is sensitive to interference from nearby wireless devices utilizing the same band. The channel hopping technique is adopted by IEEE 802.15.4e standard to mitigate such adverse effect. In this paper we propose the Adaptive Time-slotted Channel Hopping (A-TSCH) framework which augments standard IEEE 802.15.4e channel hopping with mechanisms for learning the spectral condition and blacklisting. Complete design and implementation are provided, followed by analysis of experimental results. We discover that A-TSCH improves the packet delivery in the presence of interference from co-located devices, leading to substantially enhanced reliability of WSN based on IEEE 802.15.4e.

Keywords

Zigbee; radio spectrum management; radiofrequency interference; signal detection; telecommunication network reliability; wireless channels; wireless sensor networks; A-TSCH framework; IEEE 802.15.4e standard; Internet of Things; WSN; adaptive time-slotted channel hopping framework; adverse effect mitigation; channel hopping technique; colocated wireless device; interference; packet delivery; reliability; spectrum-aware wireless sensor network; Channel estimation; IEEE 802.15 Standards; Noise; Noise measurement; Smoothing methods; Wireless sensor networks;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal Indoor and Mobile Radio Communications (PIMRC), 2013 IEEE 24th International Symposium on

Conference_Location

London

ISSN

2166-9570

Type

conf

DOI

10.1109/PIMRC.2013.6666532

Filename

6666532