Communication device for detecting messages based on signal strength

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United States of America Patent

PATENT NO 11818631
APP PUB NO 20230128650A1
SERIAL NO

17510823

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Abstract

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A communication device and method may include at least one tuner circuit that monitors at least a first frequency channel and a second frequency channel. A controller of the radio receiver may measure a first received signal strength indicator (RSSI) value over time for the first frequency channel and a second RSSI value over time for the second frequency channel. The first and second RSSI values are based on a signal strength of radio frequency (RF) energy received on the first and second frequency channels, respectively. The controller may detect a leader portion of a message on the first frequency channel responsive to a change in the first RSSI value exceeding a step change threshold. The controller may extract, via a detector circuit, message data from a carrier wave of the RF message.

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Patent Owner(s)

Patent OwnerAddress
TRANSPORTATION IP HOLDINGS LLC901 MAIN AVENUE NORWALK CT 06851

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Cowan, James Pittsburgh, US 9 68
Haas, Carl L Walkersville, US 31 65
Klemanski, Richard S Walkersville, US 16 147
Kurz, Brian Thurmont, US 19 28
McGee, Daniel Alexandria, US 9 277
Swar, Padam Dhoj Clarksburg, US 14 7

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