Switching center for radiomobile application

Details Switching center for radiomobile application Switching center for radiomobile application

1989-10-17

1994-03-01

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370 681, 379 59, 455 332, H04Q 1100

Patent

active

052914763

ABSTRACT:
A switching center of the invention includes a service access exchange and a control point which are interconnected by an interconnection multiplex link. The exchange is connected to base station controllers via first multiplex links and to the public switched telephone network by second multiplex links which also convey signalling relating to a permanent file, relating to a temporary file, and relating to other switching centers. The exchange sets up semipermanent links between the interconnection multiplex link connecting it to the control point and both the first multiplex links for the purpose of interchanging signalling, and to the second multiplex links for interchanging signalling with the permanent and temporary files and with other switching centers.

REFERENCES:
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patent: 4856048 (1989-08-01), Yamamoto et al.
patent: 4912705 (1990-03-01), Paneth et al.
patent: 4955050 (1990-09-01), Yamauchi
Communication & Transmission, No. 2, 1988, pp. 5-14, Sotelec, Paris, France; P. Duplessis et al.: "Pan-European Digital Cellular System For Mobile Telephones".
P. Bocker: "ISDN das diensteintegrierende digitale Nachrichtennetz, Konzept, Verfahren, Systeme", 1986, pp. 141-143 Springer Verlag, Berlin, Germany.
38th IEEE Vehicular Technology Conference "Telecommunications freedom-Technology on the move", Philadelphia, Pa., 15-17, Jun. 1988, pp. 30-37, IEEE, New York, W. Fuhrmann et al.: radio access protocol of the new GSM land mobile communication standard, p. 30,S3,p. 32, S4.2.
International Switching Symposium 1987, Phoenix, Ariz., 15-20 Jun. 1987, pp. 734-738, IEE, New York; B. Ghillebaert: "the second generation cellular system".
IEEE Communications Magazine, vol. 25, No. 6, Jun. 1987, pp. 22-30, IEEE New York; E. S. K. Chien et al.: "Cellular Access Digital Networks of the future", pp. 22-25, left column-line 17.

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