Difference between revisions of "A BLE RSSI ranking based indoor positioning system for generic smartphones (Q4675)"
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(Created claim: concerns (P110): Bluetooth Low Energy (Q4406)) |
(Created claim: date (P100): 2017) |
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| Property / concerns: Received signal strength indication / rank | |||||||||||||||
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| + | controlled RSSI measurements in a free space at the same position and orientation showed that RSSI varies between phones of different vendors and even between models of the same vendor. This we postulate is due to different RSSI hardware in phones. | ||||||||||||||
| Property / quote: controlled RSSI measurements in a free space at the same position and orientation showed that RSSI varies between phones of different vendors and even between models of the same vendor. This we postulate is due to different RSSI hardware in phones. / rank | |||||||||||||||
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| + | RSSI path loss propagation models are severely affected by any RF attenuating objects, including human bodies, and by the orientation of the receiver when held by a human, as the RF signal goes through the human body when held by a human facing away from the transmitter. | ||||||||||||||
| Property / quote: RSSI path loss propagation models are severely affected by any RF attenuating objects, including human bodies, and by the orientation of the receiver when held by a human, as the RF signal goes through the human body when held by a human facing away from the transmitter. / rank | |||||||||||||||
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| + | 2017
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| Property / date: 2017 / rank | |||||||||||||||
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Latest revision as of 21:23, 26 May 2020
Statements
controlled RSSI measurements in a free space at the same position and orientation showed that RSSI varies between phones of different vendors and even between models of the same vendor. This we postulate is due to different RSSI hardware in phones.
0 references
RSSI path loss propagation models are severely affected by any RF attenuating objects, including human bodies, and by the orientation of the receiver when held by a human, as the RF signal goes through the human body when held by a human facing away from the transmitter.
0 references
2017
0 references