To provide communications equipment capable of being used as a mobile device (e.g. telephone set of cellular telephone) or a fixed device (e.g. base station for cellular telephone).

This communication equipment 500, consisting of an RF and analog baseband section 510, a receiver 520 and a channel demodulator 530, utilizes information 560 of a global positioning system (GPS) in a Doppler profile generator 550. GPS information is usually generated in the mobile device. The receiver 520 is connected to the generator 550. The receiver 520 utilizes Doppler profile information, when translating a received radio signal into user information.