Longform — Long-form writing on the AT Protocol

SYSTEM AND METHOD FOR RANGING WITH CHANNEL SOUNDING

A system and method to determine a range between a first device (e.g., an object device) and a second device (e.g., a remote device) based on a characteristic of phase determined with respect to trans…

DRIVE·Mar 19·1 min read

G01S13/84 DENSO International America, Inc.

COMBINED PHASE AND TIME-OF-FLIGHT MEASUREMENT

Systems and methods of measuring distance between two wireless devices by combining phase shift and time-of-flight measurements. A first wireless devices sends a first packet to the second wireless de…

DRIVE·Dec 7·1 min read

G01S13/84 Texas Instruments Incorporated

UP-SAMPLING AND CROSS-CORRELATION FOR TIME OF ARRIVAL DETERMINATIONS IN PASSIVE ENTRY/PASSIVE START SYSTEMS

A system is provided and includes a receiver and an access module. The receiver is configured to receive a signal transmitted from a portable access device to a vehicle. The access module is configure…

DRIVE·Oct 26·1 min read

G01S13/84 DENSO International America, Inc.

COMBINED PHASE AND TIME-OF-FLIGHT MEASUREMENT

Systems and methods of measuring distance between two wireless devices by combining phase shift and time-of-flight measurements. A first wireless devices sends a first packet to the second wireless de…

DRIVE·Oct 6·1 min read

G01S13/84 TEXAS INSTRUMENTS INCORPORATED

DISTANCE MEASUREMENT APPARATUS

A distance measurement apparatus of an embodiment includes a first device provided in a vehicle and a second device provided in a key-fob, and calculates a distance between the vehicle and the key-fob…

DRIVE·Sep 2·1 min read

G01S13/84 Kabushiki Kaisha Toshiba

#G01S13/84

SYSTEM AND METHOD FOR RANGING WITH CHANNEL SOUNDING

COMBINED PHASE AND TIME-OF-FLIGHT MEASUREMENT

UP-SAMPLING AND CROSS-CORRELATION FOR TIME OF ARRIVAL DETERMINATIONS IN PASSIVE ENTRY/PASSIVE START SYSTEMS

COMBINED PHASE AND TIME-OF-FLIGHT MEASUREMENT

DISTANCE MEASUREMENT APPARATUS