Time Difference on Arrival Extraction from Two-Way Ranging

Rathje, Patrick

doi:10.48550/arxiv.2204.08996

Cited by 1 publication

(2 citation statements)

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“…Once making sure that the server has received the navigation request, the process will get into the following loop: 1. First the device of the user will try to get the distances to at least 3 tags with SS-TWR technology [9]. It will send a signal to all the surrounding tags, which contains an id (S1) and a time stamp (T0).…”

Section: Solution Implementationmentioning

confidence: 99%

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Cloud & IoT based indoor positioning solution with intuitive AR guidance

Peng,

Cao,

Liu

et al. 2023

ACE

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GPS, the most frequently used outdoor navigation system used in the contemporary world in peoples mobile phones, however, does not prove to be reliable in indoor settings. Neither do some wireless protocols such as Bluetooth and WIFI with RSSI do an effective job due to their susceptibility to physical obstacles such as walls and objects in the building. Our team came up with a solution utilizing UWB wireless communication protocol with SS-TWA to help users with an AR device, or similarly an AR application on smartphones, to navigate in indoor settings with clear graphic guidance, similar to the guiding systems already used by people in contemporary society. The map of the indoor setting and related calculations during the navigation process are all based on clouds, and we will show in detail how we implement our design. Finally, we discussed how our solution projects about indoor positioning can also be related to fields like ML, Open World and Metaverse.

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Section: Solution Implementationmentioning

confidence: 99%

“…The SS-TWR technology itself is not perfect since its accuracy will be affected by the clock drift caused by different clock frequencies between the user device and the tag. Rathje & Landsiedel have also mentioned several methods like Carrier Frequency Offset or the TDoA Extraction to improve the accuracy [9]. 2.…”

Section: Solution Implementationmentioning

confidence: 99%