On the RSS biases in WLAN-based indoor Positioning

Elina Laitinen; Jukka Talvitie; Elena-Simona Lohan

doi:10.1109/ICCW.2015.7247277

On the RSS biases in WLAN-based indoor Positioning

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › Scientific › peer-review

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Abstract

Fluctuations in the Received Signal Strength, caused for example by temporal propagation dynamics or various mobile types, can decrease the positioning accuracy in WLAN-based indoor fingerprinting. In this paper, the effect of an offset between Received Signal Strength values in the training and estimation phases is investigated. Our study is based on a huge measurement campaign that covers in total eight different buildings with several floors each, in two countries. Different offset types and offset values are studied on a large scale, in terms of 3D positioning accuracy and floor detection probability. We will show that biases between 􀀀20 dB and +10 dB do not affect the positioning results in a significant way and that such biases could be also tolerated without calibration.

Original language	English
Title of host publication	2015 IEEE International Conference on Communication Workshop, ICCW 2015
Publisher	IEEE
Pages	797-802
Number of pages	6
ISBN (Print)	9781467363051
DOIs	https://doi.org/10.1109/ICCW.2015.7247277
Publication status	Published - 2015
Publication type	A4 Article in conference proceedings
Event	IEEE International Conference on Communications - Duration: 1 Jan 2000 → …

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Conference	IEEE International Conference on Communications
Period	1/01/00 → …

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10.1109/ICCW.2015.7247277

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Cite this

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title = "On the RSS biases in WLAN-based indoor Positioning",

abstract = "Fluctuations in the Received Signal Strength, caused for example by temporal propagation dynamics or various mobile types, can decrease the positioning accuracy in WLAN-based indoor fingerprinting. In this paper, the effect of an offset between Received Signal Strength values in the training and estimation phases is investigated. Our study is based on a huge measurement campaign that covers in total eight different buildings with several floors each, in two countries. Different offset types and offset values are studied on a large scale, in terms of 3D positioning accuracy and floor detection probability. We will show that biases between 􀀀20 dB and +10 dB do not affect the positioning results in a significant way and that such biases could be also tolerated without calibration.",

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AU - Talvitie, Jukka

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N2 - Fluctuations in the Received Signal Strength, caused for example by temporal propagation dynamics or various mobile types, can decrease the positioning accuracy in WLAN-based indoor fingerprinting. In this paper, the effect of an offset between Received Signal Strength values in the training and estimation phases is investigated. Our study is based on a huge measurement campaign that covers in total eight different buildings with several floors each, in two countries. Different offset types and offset values are studied on a large scale, in terms of 3D positioning accuracy and floor detection probability. We will show that biases between 􀀀20 dB and +10 dB do not affect the positioning results in a significant way and that such biases could be also tolerated without calibration.

AB - Fluctuations in the Received Signal Strength, caused for example by temporal propagation dynamics or various mobile types, can decrease the positioning accuracy in WLAN-based indoor fingerprinting. In this paper, the effect of an offset between Received Signal Strength values in the training and estimation phases is investigated. Our study is based on a huge measurement campaign that covers in total eight different buildings with several floors each, in two countries. Different offset types and offset values are studied on a large scale, in terms of 3D positioning accuracy and floor detection probability. We will show that biases between 􀀀20 dB and +10 dB do not affect the positioning results in a significant way and that such biases could be also tolerated without calibration.

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DO - 10.1109/ICCW.2015.7247277

M3 - Conference contribution

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PB - IEEE

T2 - IEEE International Conference on Communications

Y2 - 1 January 2000

ER -

On the RSS biases in WLAN-based indoor Positioning

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