Difference between revisions of "The inventors of bluetooth say there could be problems using their tech for coronavirus contact tracing (Q4611)"
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(Created a new Item: The inventors of bluetooth say there could be problems using their tech for coronavirus contact tracing, paper published in May 2020) |
(Created claim: concerns (P110): Received signal strength indication (Q4528)) |
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| Property / official website: https://theintercept.com/2020/05/05/coronavirus-bluetooth-contact-tracing/ / rank | |||||||||||||||
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| Property / concerns: Coronadata / rank | |||||||||||||||
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| Property / concerns: Bluetooth Low Energy / rank | |||||||||||||||
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| Property / concerns: Contact tracing / rank | |||||||||||||||
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| Property / concerns: Received signal strength indication / rank | |||||||||||||||
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| + | 5 May 2020
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| + | In other words, Bluetooth’s inaccuracy may not be a problem for typical applications (connecting to that friend’s speaker, for example), but certainly could be for purposes of determining exposure to a pathogen. | ||||||||||||||
| Property / quote: In other words, Bluetooth’s inaccuracy may not be a problem for typical applications (connecting to that friend’s speaker, for example), but certainly could be for purposes of determining exposure to a pathogen. / rank | |||||||||||||||
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| + | In addition to RSSI uncertainty, you will have the path loss variation. If there is an obstacle, like a human body, between your BLE device and the detected one, there may be some 70dB of attenuation of the signal at 1m (3ft; e.g. in a crowd) but in free space this may well correspond to 10m (30ft) | ||||||||||||||
| Property / quote: In addition to RSSI uncertainty, you will have the path loss variation. If there is an obstacle, like a human body, between your BLE device and the detected one, there may be some 70dB of attenuation of the signal at 1m (3ft; e.g. in a crowd) but in free space this may well correspond to 10m (30ft) / rank | |||||||||||||||
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Latest revision as of 21:59, 14 May 2020
paper published in May 2020
| Language | Label | Description | Also known as |
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| English |
The inventors of bluetooth say there could be problems using their tech for coronavirus contact tracing
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paper published in May 2020
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Statements
5 May 2020
0 references
In other words, Bluetooth’s inaccuracy may not be a problem for typical applications (connecting to that friend’s speaker, for example), but certainly could be for purposes of determining exposure to a pathogen.
0 references
In addition to RSSI uncertainty, you will have the path loss variation. If there is an obstacle, like a human body, between your BLE device and the detected one, there may be some 70dB of attenuation of the signal at 1m (3ft; e.g. in a crowd) but in free space this may well correspond to 10m (30ft)
0 references