초록 ▼

The mobile cellular telephony terminal includes a radio transmitter/receiver (1) for communicating with base stations of a cellular network, measuring the Doppler velocity of the transmissions originating from the stations and accordingly operating circuits (2) for estimating the velocity of the ter

The mobile cellular telephony terminal includes a radio transmitter/receiver (1) for communicating with base stations of a cellular network, measuring the Doppler velocity of the transmissions originating from the stations and accordingly operating circuits (2) for estimating the velocity of the terminal, by composition of the Doppler velocities, and updating circuits (4, 5) are provided for updating an inertial unit (10) supplying the radio circuit (1) with the position of the terminal, by comparison between a terminal velocity supplied by the unit (10) and the estimated velocity.

대표청구항 ▼

[ What is claimed is:] [1.] A mobile cellular telephony terminal including radio transmitter/receiver means (1) for communicating with base stations of a cellular network, wherein the radio means (1) are designed to measure the Doppler velocity of the transmissions originating from the stations, and

[ What is claimed is:] [1.] A mobile cellular telephony terminal including radio transmitter/receiver means (1) for communicating with base stations of a cellular network, wherein the radio means (1) are designed to measure the Doppler velocity of the transmissions originating from the stations, and accordingly to operate means (2) for estimating the velocity of the terminal, by composition of the Doppler velocities, and the updating means (4, 5) are provided for updating an inertial unit (10) intended to supply the radio means (1) with the position of the terminal, by comparison between a terminal velocity supplied by the unit (10) and the estimated velocity.