Pulse or digital communications – Transceivers – Transmission interface between two stations or terminals
Patent
1995-03-07
1998-04-21
Chin, Stephen
Pulse or digital communications
Transceivers
Transmission interface between two stations or terminals
375285, 375296, 375341, 375346, 375377, 371 374, 370347, 455422, 455517, 455560, 455561, H04Q 730
Patent
active
057426406
ABSTRACT:
A method of cellular communication among a subscriber unit, a base station and a switch controller is provided which comprises the steps of digitally encoding speech signals at the subscriber unit; generating radio forward error correction (FEC) at the subscriber unit to protect the encoded speech signals during transmission; transmitting the encoded speech signals together with the radio FEC by radio from the subscriber unit to the base station; error correcting the transmitted encoded speech signals at the base station using the radio FEC; generating wire FEC to protect the encoded speech signals during transmission; transmitting the encoded speech signals together with the wire FEC from the base station to the controller; error correcting the transmitted encoded speech signals at the controller using the wire FEC; and decoding the digitally encoded speech signals at the controller.
REFERENCES:
patent: 4144409 (1979-03-01), Utano et al.
patent: 4339724 (1982-07-01), Feher
patent: 4644565 (1987-02-01), Seo et al.
patent: 4654867 (1987-03-01), Labedz et al.
patent: 4720839 (1988-01-01), Feher et al.
patent: 4817157 (1989-03-01), Gerson
patent: 4896361 (1990-01-01), Gerson
patent: 5003619 (1991-03-01), Morris et al.
patent: 5170413 (1992-12-01), Hess et al.
patent: 5303226 (1994-04-01), Okanoue et al.
patent: 5303234 (1994-04-01), Kou
patent: 5305468 (1994-04-01), Bruckert et al.
patent: 5313494 (1994-05-01), Park et al.
patent: 5526399 (1996-06-01), Kameda
Frazer E.L. et al., "CDLC-A Data Transmisson Standard For Cellular Radio," The Journal of the Institution of Electronic and Radio Engineers, vol. 57, No. 3, May/Jun. 1987, pp. 129-134.
Murch, A. et al., "Cellular Data Services Over GSM," Microwave Journal, vol. 38, No. 7, Jul. 1, 1995, pp. 90, 92, 94, 96.
Research & Development Center for Radio Systems (RCR), "Personal Digital Cellular Telecommunication System RCR Standard" RCR STD 27B (exerpts).
Research & Development Center for Radio Systems (RCR), "Personal Digital Cellular Telecommunication System RCR Standard" Part II, RCR STD 27B (excerpts).
Fawaz Ayman
Haoui Amine
Kavaler Robert
Chin Stephen
Diva Communications, Inc.
Durant Stephen C.
Le Amanda T.
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