Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1997-03-13
2000-03-21
Bost, Dwayne D.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
455560, 455561, 370435, 370477, H04Q 720, H04B 138, H04M 100, H04S 317
Patent
active
060412305
ABSTRACT:
The invention relates to a transmission method and a cellular radio system comprising a base station and a vocoder which communicate with each other via a transmission path and which transmit a signal to each other. The vocoder receives a signal and encodes the received signal which at least partly consists of spare bits. The cellular radio system comprises a filtering means for filtering spare bits off the signal prior to transmitting the signal to the transmission path. The filtering of the spare bits makes it possible to save the transmission path capacity for other uses.
REFERENCES:
patent: 4534023 (1985-08-01), Peck et al.
patent: 4813040 (1989-03-01), Futato
patent: 5239557 (1993-08-01), Dent
Second Edition of Data and Computer Communications by William Stallings (pp. 150-152), 1988.
Bost Dwayne D.
Nokia Telecommunications Oy
Persino Raymond B.
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