Motorola Solutions, Inc.

Boaz Or-Shraga

Uzi Cohen

Menahem Raif

Itzhak Avayu

Imanuel Aminov

Inna Kogan

Michael Cherniak

A telecommunications terminal () includes an input audio transducer (), a receiver () for receiving an electrical signal representing a transmitted audio signal, a noise energy estimator () for estimating an audio noise energy input received by the input audio transducer and an audio enhancement means () for applying to the received electrical signal in a selected audio frequency band a gain which is greater than the gain applied to audio frequencies of the received electrical signal outside the selected band, the gain applied being a function of the audio noise energy input.

Telecommunications terminal and method of operation of the terminal

A mobile station () for use in a cellular communication system () includes a processor () operable to determine whether the mobile station should undergo cell re-selection by handover from a first base station () to a second base station (), wherein the determination includes comparing a value of a property (RSSI) of a signal received from the second base station with a value of the same property of a signal received from the first base station and calculating whether the difference between the two values is greater than a pre-determined reference difference (SRH), characterised in that the processor is operable to apply in the difference calculation a reference difference (SRH(), SRH() . . . ) which varies as a function of time during an idle mode of operation of the mobile station. Also disclosed is a system and method incorporating the mobile station.

Mobile station, system and method for use in cellular communications

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Gush-Dan, Israel

Boaz Or-Shraga