Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1992-05-06
1993-06-08
Kuntz, Curtis
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379 61, 455 341, H04M 1100
Patent
active
052186300
ABSTRACT:
A base station allocates radio channels to radio telephone handsets in a second generation cordless telephone (CT2) communication systems by scanning each channel in a first band, and scanning each channel in a second band to measure an RSS level for each channel scanned. The base station scans the second band at a rate that is substantially faster than the rate at which it scans the first band. If a link request is received on a first channel within the first band, from a calling radio telephone, the base station determines whether the first channel has an RSS level above a predetermined threshold. If the RSS level of the first channel is above the threshold, and the calling radio telephone handset is capable of operating on the second band, the base station re-assigns a second channel, that is within the second band, to the calling radio telephone handset.
REFERENCES:
patent: 4980907 (1990-12-01), Raith et al.
patent: 5109527 (1992-04-01), Akerberg
patent: 5109529 (1992-04-01), Akaiwa
patent: 5119397 (1992-06-01), Dahlin et al.
patent: 5148548 (1992-09-01), Meche et al.
Marko Paul D.
Patsiokas Stelios J.
Wadin Craig P.
Berry Thomas G.
Kuntz Curtis
Meles Pablo
Motorola Inc.
Shankar Vijay
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