====== RTLS ======

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Real-time locating systems (RTLS) are used to automatically identify and track the location of objects or people in real time, usually within a building or other contained area
[[https://en.wikipedia.org/wiki/Real-time_locating_system|RTLS Wikipedia]]
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===== RSSI =====

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RSSI (Received Signal Strength Indication)
[[https://fr.wikipedia.org/wiki/Received_Signal_Strength_Indication|RSSI wiki]]
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==== BLUETOOTH ====

{{:bluetooth.png?nolink&50|}}

[[https://googlechrome.github.io/samples/web-bluetooth/|Web bluetooth]]
[[https://www.nordicsemi.com/Products/Low-power-short-range-wireless/nRF51822|nRF51822]]
[[https://www.developpez.com/actu/244294/Le-Bluetooth-5-1-permettra-de-determiner-la-position-de-vos-objets-compatibles-au-centimetre-pres-et-la-direction-dans-laquelle-le-signal-est-etabli/|Article bluetooth 5.1]]

=== SENSICOIN ===

{{:sensicoin_overview.jpg?nolink|}}

[[https://github.com/honnet/SensiCoin#sensicoin|Github sensicoin]]
[[http://www.holyiot.com|Holyiot]]

== IMU ==

[[https://www.bosch-sensortec.com/bst/products/all_products/bmi160|BM160]]

==== WIFI ====

===== UWB =====

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TWR (TWO WAY RANGING) :
[[https://www.sewio.net/uwb-sniffer/analyzing-decawave-two-way-ranging-twr/|TWR decawave]]

TDOA (TIME DIFFERENCE OF ARRIVAL) :
[[https://www.sewio.net/uwb-technology/time-difference-of-arrival/|TDOA]]

[[https://www.pozyx.io/pozyx-academy/positioning-protocols-explained|Pozyx comparaison]]
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==== POZYX ====

{{:logo_x.png?nolink|}}

{{:pozyx_solutions.png?nolink&800|}}

{{:pozyx_comparaison.png?nolink&800|}}

[[https://www.pozyx.io| Pozyx]]

The highest possible update rate for positioning is around 140Hz.

[[https://github.com/srv/pozyx_drivers|Ros pozyx_drivers]]

==== SEWIO ====

{{:sewio.png?nolink|}}

{{:sewio_.png?nolink&800|}}

[[https://www.sewio.net/real-time-location-system-rtls-on-uwb/|Sewio UWB]]
[[https://www.sewio.net/rtls-demo/|Demo]]
[[https://www.cipam.com/produits/sewio-ultra-large-bande-uwb-151|CIPAM Sewio]]

10Hz pour 100 TAGs

==== SIMATIC SIEMENS ====

{{:simatic.jpg?nolink&150|}}

[[https://support.industry.siemens.com/cs/document/109762169/sales-release-of-the-simatic-rtls-?dti=0&lc=en-WW|Simatic RTLS]]

==== UBISENSE ====

{{:logo_ubisense.png?nolink|}}

{{:sensorv3_2_cutout_0.png?nolink|}}

[[https://www.ubisense.net/|Ubisense]]
[[https://www.ubisense.net/product/dimension4|Dimension 4]]


* pas d'orientation
* précison 20 cm horizontal et 30 cm vertical
* filtres Kalman 
* Line of sight
* TDOA et angle of arrival
* Calibration câble
* 75 Hz - 128 TAGs 0.5 Hz / tag
* puissance de 2 de nombre de tag
* quality of service, optimisé tag mobile et immobile
* discontrol - 200 (34-40 en même temps à 1 ou 2 Hz)
* multi zone optimlisé
* pas de possibilité de mettre plusirurs antenne en multiplex fréquentiel
* windows
* pas open dutout 
* SDK dotnet limité 
* bridge OSC Jonathan
* installation complexe, qualité câble complexe (cat 5e ou cat6, blindage SSTP)
* pas d'IMU
* TAG très petit avec batterie (6 mois- 3 ans)
* position et orientation des ancrages précis au cm près. Photogramétrie. Reality capture (mmm).
Bruit chromatique. Projection avec discoball. Lampe + alu troué.
Scan LIDAR 3D.

==== ESSENSIUM ====
[[http://www.essensium.com/products.html|Essensium RTLS]]

==== LOCALINO ====
[[https://www.localino.net|Localino]]
[[https://www.instructables.com/id/Localino-Open-Source-Indoor-Location-System-Arduin/|Instrutables open]]

==== TTA SOUND ====
[[https://www.tta-sound.com/|TTA sound]]

==== TAME WHERE ====
[[https://www.tame-where.com/fr|Tame where]]

==== ZOZIO ====
[[https://zozio.tech/|Zozio]]

==== BESPOON ====
[[http://bespoon.com/|Bespoon]]

==== OPEN RTLS ====
[[https://openrtls.com/|Open RTLS]]

==== BLINK SIGHT ====
[[https://www.blinksight.com/|Blinksight]]

==== UBUDU ====
[[https://www.ubudu.com/fr/|Ubudu]]

==== DECAWAVE ====

{{:decawave.png?nolink|}}

[[https://ieeexplore.ieee.org/document/7461498|Datasheet DecaDuino]]

=== Dwm 1000 : ===

[[https://www.decawave.com/product/dwm1000-module/|Decawave dwm1000]]
[[https://www.decawave.com/wp-content/uploads/2018/09/dwm1000_brief.pdf|Dwm1000 presentation]]
[[https://www.decawave.com/wp-content/uploads/2018/09/dwm1000-datasheet-1.pdf|Dwm1000 datasheet]]

=== Dwm 1001 : ===

[[https://www.decawave.com/wp-content/uploads/2018/08/dwm1001_system_overview.pdf|Dwm1001 datasheet]]

{{:dwm1001.png?nolink&600 |}}

=== Arduino ===

[[https://github.com/thotro/arduino-dw1000|Arduino dw1000]]

=== Decawino ===

{{:openwino.png?nolink|}}

[[https://wino.cc/|Wino]]
[[https://wino.cc/decawino/|decawino]]
[[https://github.com/irit-irt/DecaDuino/tree/master/examples|Decawino library]]

=== Hackaday ===

{{:hackaday.png?nolink|}}

[[https://hackaday.com/2015/09/24/hackaday-prize-semifinalist-location-services-for-robots/|Location Services For Robots]]
[[https://hackaday.io/project/7183-lps-mini|Lps mini]]

==== ROS ====

{{:ros-logo.jpg?200|}}

[[https://github.com/lijx10/uwb-localization|uwb-localization]]

===== IR =====

==== BLACKTRAX ====

[[https://blacktrax.cast-soft.com/|Blacktrax]]

===== MESH =====

==== WIREPAS ====

{{:wirepas.png?200|}}

===== DIVERS =====

[[https://wirepas.com/|Wirepas]]

mesh et positionnement : présision de 3-5m

==== INPINJ XARRAY ====

{{:impinj_logo.png?200|}}

[[https://www.impinj.com/platform/connectivity/xarray/|Impinj Xarray]]

==== ZEBRA ====

{{:zebra.jpg?200|}}

[[https://www.zebra.com/fr/fr/products/location-technologies.html|Zebra]]

==== PUBLICATION ====

[[http://publications.lib.chalmers.se/records/fulltext/249921/249921.pdf|Robot RTLS]]