CDMA mobile communication system of automatically changing frequ

Details CDMA mobile communication system of automatically changing frequ CDMA mobile communication system of automatically changing frequ

1998-03-04

2000-12-05

Ngo, Ricky

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

370480, 370329, 445 671, 445561, H04B 138, H04J 100

Patent

active

061576298

ABSTRACT:
In a method of automatically changing a frequency in a CDMA mobile communication system where multiple frequencies are assigned to a base transceiver station, states of an RFC, ACC, and SIC are periodically checked thus parts of them where errors are detected are cut off, a frequency processed by the part having the error is detected and excluded from overhead data, and, when the frequency which is processed by the part having the error is a fundamental frequency, other part is made to take charge of the fundamental frequency. Reversely, parts which are restored from an error state to a normal state are turned "ON", and the restored part is made to process the fundamental frequency as was before and a part which currently processes the fundamental frequency is made to process its original frequency when the restored part is one for the fundamental frequency.

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