System and method for dynamic channel assignment

Details System and method for dynamic channel assignment System and method for dynamic channel assignment

1999-06-07

2000-04-18

Nguyen, Lee

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455 62, 455 63, 455 671, 455513, H04Q 738

Patent

active

060525967

ABSTRACT:
A system and method for providing dynamic channel assignments in a microcellular system surrounded by a macrocellular system. The method characterizes the RF environment of the microcellular system and the macrocellular environment. Channels are then ranked according to the signal-to-impairment ratio computed from the measured RF characteristics. A call is assigned to a highest ranked idle channel. All active calls are monitored to ensure voice quality and call performance by forcing hand-off to another channel before degradation occurs. In another embodiment, the system is self-configurable to changes in the macrocellular configuration by including remote power adjustment and remote Supervisory Audio Tone assignment functionality.

REFERENCES:
patent: 5134709 (1992-07-01), Bi et al.
patent: 5335356 (1994-08-01), Andersson
patent: 5752190 (1998-05-01), Kaewell et al.
patent: 5828963 (1998-10-01), Grandhi et al.

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