User out-of-range indication for digital wireless systems

Details User out-of-range indication for digital wireless systems User out-of-range indication for digital wireless systems

H - Electricity

04

B

H04B 17/00 (2006.01)

Patent

CA 2190223

A system for notifying users of digital wireless communications that a mobile unit is moving out of range and communication is about to be lost. The system inserts an audible indication as the received signal strength varies. The audible indication can be in the form of noise which is inserted in such a manner that a digital mobile unit mimics the behavior of an analog mobile unit which is moving out of range, in order to provide a readily identifiable indication to the user that the wireless handset is about to go out of range. Such a system can be used to indicate to both users of wireless units, and to telephone users which are in communication with wireless units, that communication is about to be lost.

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