Quality driven voice channel selection in a cellular telephone s

Telecommunications – Radiotelephone system – Zoned or cellular telephone system

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Details

455436, 455439, 455450, 455421, H04Q 720, H04Q 734

Patent

active

060060921

ABSTRACT:
Each base station in a cellular telephone system includes a signal strength measurement device operable to tune to and make signal strength measurements on not only the voice channels assigned to other cells, but also on its own voice channels. The measurements on the own voice channels provide an indication of injected interference useful in making quality driven voice channel assignments during either call set-up or hand-off. In a conventional analog cellular system, the signal strength measurement device comprises the base station signal strength receiver measuring on own idle base station analog voice frequencies. In a time division multiple access (TDMA) cellular system, the signal strength measurement device comprises the base station location verification module measuring during idle time slots on digital voice frequencies.

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