Method and system for logging on a mobile unit at a fixed...

Multiplex communications – Communication over free space – Having a plurality of contiguous regions served by...

Reexamination Certificate

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C370S347000, C455S426100

Reexamination Certificate

active

07133390

ABSTRACT:
A method and system for the wire-free transmission of data between a mobile unit and a fixed station in time slots on one of a number of carrier frequencies with fixed station and the mobile unit each respectively include both a device for outputting a predetermined sequence which prescribes the carrier frequencies of the time slots, the carrier frequencies of two successive time slots being different, and an RF module for transmitting the data in time slots, the carrier frequencies of the time slots each being prescribed by the predetermined frequency of the output device.

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