Method employed by a base station for controlling initial...

Details Method employed by a base station for controlling initial... Method employed by a base station for controlling initial...

2005-01-04

2005-01-04

Urban, Edward F. (Department: 2685)

Telecommunications

Transmitter and receiver at separate stations

Plural transmitters or receivers

C455S063100, C455S069000, C455S067150

Reexamination Certificate

active

06839567

ABSTRACT:
A base station for controlling transmission power during the establishment of a communication channel utilizes the reception of a short code during initial power ramp-up. The short code is a sequence for detection by the base station which has a much shorter period than a conventional access code. The ramp-up starts from a power level that is lower than the required power level for detection by the base station. The power of the short code is quickly increased until the signal is detected by the base station. Once the base station detects the short code, it transmits an indication that the short code has been detected.

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