Abstract
The received signal strength (RSS) of wireless signals has been widely used in communications, localization and tracking. Theoretical modelling and practical applications often make a white noise assumption when dealing with RSS measurements. However, as we will show in this paper, the noise present in RSS measurements has time-dependency properties. In order to study these properties and provide noise characterisation, we propose to use the Allan Variance (AVAR) and show its better performance in comparison with direct analysis in the frequency domain using a periodogram. We further study the contribution of each component by testing real RSS data. Our results confirm that the noise associated with RSS signals is actually coloured and demonstrate the appropriateness of AVAR for the identification and characterisation of these components.
Original language | English |
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Title of host publication | European Signal Processing Conference |
Publisher | European Signal Processing Conference, EUSIPCO |
Pages | 994-998 |
Number of pages | 5 |
ISBN (Print) | 9780992862619, 2219-5491 |
Publication status | Published - 10 Nov 2014 |
Event | 22nd European Signal Processing Conference, EUSIPCO 2014 - Lisbon, Portugal Duration: 1 Sep 2014 → 5 Sep 2014 |
Conference
Conference | 22nd European Signal Processing Conference, EUSIPCO 2014 |
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Country/Territory | Portugal |
City | Lisbon |
Period | 1/09/14 → 5/09/14 |
Keywords
- 802.11
- Allan variance
- coloured noise
- noise characterisation
- RSS
Profiles
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Gerard Parr
- School of Computing Sciences - Professor of Computing Sciences
- Cyber Security Privacy and Trust Laboratory - Member
- Smart Emerging Technologies - Member
Person: Research Group Member, Academic, Teaching & Research