N-TWR: An accurate time-of-flight-based N-ary ranging protocol for Ultra-Wide band
In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Despaux, François [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2018transfer abstract |
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| Umfang: |
19 |
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| Übergeordnetes Werk: |
Enthalten in: Sialorphin and its analog as ligands for copper(II) ions - Kamysz, Elżbieta ELSEVIER, 2013transfer abstract, Amsterdam [u.a.] |
|---|---|
| Übergeordnetes Werk: |
volume:79 ; year:2018 ; pages:1-19 ; extent:19 |
| Links: |
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| DOI / URN: |
10.1016/j.adhoc.2018.05.016 |
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ELV043877605 |
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| 520 | |a In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. | ||
| 520 | |a In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. | ||
| 700 | 1 | |a van den Bossche, Adrien |4 oth | |
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| 700 | 1 | |a Val, Thierry |4 oth | |
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10.1016/j.adhoc.2018.05.016 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000996.pica (DE-627)ELV043877605 (ELSEVIER)S1570-8705(18)30271-3 DE-627 ger DE-627 rakwb eng 540 VZ 300 610 VZ 44.06 bkl Despaux, François verfasserin aut N-TWR: An accurate time-of-flight-based N-ary ranging protocol for Ultra-Wide band 2018transfer abstract 19 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. van den Bossche, Adrien oth Jaffrès-Runser, Katia oth Val, Thierry oth Enthalten in Elsevier Science Kamysz, Elżbieta ELSEVIER Sialorphin and its analog as ligands for copper(II) ions 2013transfer abstract Amsterdam [u.a.] (DE-627)ELV016769562 volume:79 year:2018 pages:1-19 extent:19 https://doi.org/10.1016/j.adhoc.2018.05.016 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.06 Medizinsoziologie VZ AR 79 2018 1-19 19 |
| spelling |
10.1016/j.adhoc.2018.05.016 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000996.pica (DE-627)ELV043877605 (ELSEVIER)S1570-8705(18)30271-3 DE-627 ger DE-627 rakwb eng 540 VZ 300 610 VZ 44.06 bkl Despaux, François verfasserin aut N-TWR: An accurate time-of-flight-based N-ary ranging protocol for Ultra-Wide band 2018transfer abstract 19 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. van den Bossche, Adrien oth Jaffrès-Runser, Katia oth Val, Thierry oth Enthalten in Elsevier Science Kamysz, Elżbieta ELSEVIER Sialorphin and its analog as ligands for copper(II) ions 2013transfer abstract Amsterdam [u.a.] (DE-627)ELV016769562 volume:79 year:2018 pages:1-19 extent:19 https://doi.org/10.1016/j.adhoc.2018.05.016 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.06 Medizinsoziologie VZ AR 79 2018 1-19 19 |
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10.1016/j.adhoc.2018.05.016 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000996.pica (DE-627)ELV043877605 (ELSEVIER)S1570-8705(18)30271-3 DE-627 ger DE-627 rakwb eng 540 VZ 300 610 VZ 44.06 bkl Despaux, François verfasserin aut N-TWR: An accurate time-of-flight-based N-ary ranging protocol for Ultra-Wide band 2018transfer abstract 19 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. van den Bossche, Adrien oth Jaffrès-Runser, Katia oth Val, Thierry oth Enthalten in Elsevier Science Kamysz, Elżbieta ELSEVIER Sialorphin and its analog as ligands for copper(II) ions 2013transfer abstract Amsterdam [u.a.] (DE-627)ELV016769562 volume:79 year:2018 pages:1-19 extent:19 https://doi.org/10.1016/j.adhoc.2018.05.016 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.06 Medizinsoziologie VZ AR 79 2018 1-19 19 |
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10.1016/j.adhoc.2018.05.016 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000996.pica (DE-627)ELV043877605 (ELSEVIER)S1570-8705(18)30271-3 DE-627 ger DE-627 rakwb eng 540 VZ 300 610 VZ 44.06 bkl Despaux, François verfasserin aut N-TWR: An accurate time-of-flight-based N-ary ranging protocol for Ultra-Wide band 2018transfer abstract 19 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. van den Bossche, Adrien oth Jaffrès-Runser, Katia oth Val, Thierry oth Enthalten in Elsevier Science Kamysz, Elżbieta ELSEVIER Sialorphin and its analog as ligands for copper(II) ions 2013transfer abstract Amsterdam [u.a.] (DE-627)ELV016769562 volume:79 year:2018 pages:1-19 extent:19 https://doi.org/10.1016/j.adhoc.2018.05.016 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.06 Medizinsoziologie VZ AR 79 2018 1-19 19 |
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10.1016/j.adhoc.2018.05.016 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000000996.pica (DE-627)ELV043877605 (ELSEVIER)S1570-8705(18)30271-3 DE-627 ger DE-627 rakwb eng 540 VZ 300 610 VZ 44.06 bkl Despaux, François verfasserin aut N-TWR: An accurate time-of-flight-based N-ary ranging protocol for Ultra-Wide band 2018transfer abstract 19 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. van den Bossche, Adrien oth Jaffrès-Runser, Katia oth Val, Thierry oth Enthalten in Elsevier Science Kamysz, Elżbieta ELSEVIER Sialorphin and its analog as ligands for copper(II) ions 2013transfer abstract Amsterdam [u.a.] (DE-627)ELV016769562 volume:79 year:2018 pages:1-19 extent:19 https://doi.org/10.1016/j.adhoc.2018.05.016 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 44.06 Medizinsoziologie VZ AR 79 2018 1-19 19 |
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N-TWR: An accurate time-of-flight-based N-ary ranging protocol for Ultra-Wide band |
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In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. |
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In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. |
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In the last decade, wireless positioning systems have drawn a strong interest from a research point of view, especially for indoor environments where Global Positioning Systems (GPS) is not available. As an alternative, emerging applications relying on Ultra-Wide Band (UWB) communication technology have been proposed to offer a ranging accuracy in the order of some dozens of centimeters. Indeed, UWB radios’ increased accuracy originates in the high time resolution of UWB signals that can be leveraged to measure precisely travel times of signals (e.g. Time of Flight, ToF). ToF can be easily translated to inter-node distance. In this work we propose N-TWR, a ToF-based N-ary ranging protocol created for localization using UWB. The proposed N-TWR protocol is based on the estimation of the ToF between a target node to be localized (which may be mobile or static) and a set of N anchors. It has been designed to minimize the number of messages exchanged between all nodes compared to a naive solution that exploits the state-of-the-art UWB ranging method. Validation has been made using experiments carried out in our Open Source Framework, DecaDuino, which enables fast prototyping of protocols sitting on top of UWB Physical layer. The N-ary ranging provided by N-TWR achieves the same level of accuracy as the naive protocol exploiting SDS-TWR but using four times less messages. We exhibit as well that N-TWR can be efficiently leveraged to design a simple and elegant trilateration localization algorithm. |
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