2-D Indoor Localization Resolution Improvement Using IR-UWB Stepped Frequencies Signals

Jean Christophe Cousin; Muriel Muller; Nour Awarkeh; Nel Samama

doi:10.1109/LSENS.2023.3328793

2-D Indoor Localization Resolution Improvement Using IR-UWB Stepped Frequencies Signals

L2S, CNRS, Univ Paris-Sud

Research output: Contribution to journal › Article › peer-review

Abstract

This letter discusses the ability to improve the resolution of range and azimuth angle measurements by an interferometric localization system used to locate beacons within its line of sight (LoS) by exploiting stepped frequency signals impulse radio-ultra wideband (UWB) centered on two frequencies. This improvement does not require increasing the frequency bandwidth used. This solution uses a phase correlation method, usually applied to continuous wave signals, adapted to UWB pulse signals. The results obtained are compared with those computed by a classical method of energy detection by exploiting the same frequency band.

Original language	English
Article number	3503404
Pages (from-to)	1-4
Number of pages	4
Journal	IEEE Sensors Letters
Volume	7
Issue number	12
DOIs	https://doi.org/10.1109/LSENS.2023.3328793
Publication status	Published - 1 Dec 2023

Keywords

Microwave millimeter wave sensors
interferometric processing
localization resolution improvement
multistatic impulse radio-ultra wideBand (IR-UWB) radar
short range localization system

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10.1109/LSENS.2023.3328793

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title = "2-D Indoor Localization Resolution Improvement Using IR-UWB Stepped Frequencies Signals",

abstract = "This letter discusses the ability to improve the resolution of range and azimuth angle measurements by an interferometric localization system used to locate beacons within its line of sight (LoS) by exploiting stepped frequency signals impulse radio-ultra wideband (UWB) centered on two frequencies. This improvement does not require increasing the frequency bandwidth used. This solution uses a phase correlation method, usually applied to continuous wave signals, adapted to UWB pulse signals. The results obtained are compared with those computed by a classical method of energy detection by exploiting the same frequency band.",

keywords = "Microwave millimeter wave sensors, interferometric processing, localization resolution improvement, multistatic impulse radio-ultra wideBand (IR-UWB) radar, short range localization system",

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AU - Cousin, Jean Christophe

AU - Muller, Muriel

AU - Awarkeh, Nour

AU - Samama, Nel

PY - 2023/12/1

Y1 - 2023/12/1

N2 - This letter discusses the ability to improve the resolution of range and azimuth angle measurements by an interferometric localization system used to locate beacons within its line of sight (LoS) by exploiting stepped frequency signals impulse radio-ultra wideband (UWB) centered on two frequencies. This improvement does not require increasing the frequency bandwidth used. This solution uses a phase correlation method, usually applied to continuous wave signals, adapted to UWB pulse signals. The results obtained are compared with those computed by a classical method of energy detection by exploiting the same frequency band.

AB - This letter discusses the ability to improve the resolution of range and azimuth angle measurements by an interferometric localization system used to locate beacons within its line of sight (LoS) by exploiting stepped frequency signals impulse radio-ultra wideband (UWB) centered on two frequencies. This improvement does not require increasing the frequency bandwidth used. This solution uses a phase correlation method, usually applied to continuous wave signals, adapted to UWB pulse signals. The results obtained are compared with those computed by a classical method of energy detection by exploiting the same frequency band.

KW - Microwave millimeter wave sensors

KW - interferometric processing

KW - localization resolution improvement

KW - multistatic impulse radio-ultra wideBand (IR-UWB) radar

KW - short range localization system

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ER -

2-D Indoor Localization Resolution Improvement Using IR-UWB Stepped Frequencies Signals

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Keywords

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