Method of reducing blockages in handing over calls in a mobile,

Details Method of reducing blockages in handing over calls in a mobile, Method of reducing blockages in handing over calls in a mobile,

1991-03-07

1992-01-14

Ng, Jin F.

Telephonic communications

Audio message storage, retrieval, or synthesis

379 59, 455 33, 455 34, H04M 1100, H04Q 704

Patent

active

050816713

ABSTRACT:
A method of reducing blockages and call interruption in handling over calls in a cellular mobile radio system. When the signal strength from a base station to a mobile and vice versa falls below a given value the handover shall take place to another base station. In order that the call will not be interrupted, a smaller number of channels are reserved, so-called rescue channels, from the ordinary channels in the system. The rescue channels can be fixed or dynamic for a given base station.

REFERENCES:
patent: 3764915 (1973-10-01), Cox et al.
patent: 4485486 (1984-11-01), Webb et al.
patent: 4608711 (1986-08-01), Goldman
patent: 4670899 (1987-06-01), Brody et al.
patent: 4723266 (1988-02-01), Perry
Jan-Erik Stjernvall, "Calculation of Capacity and Co-Channel Interferences in a Cellular System", Nordic Seminar on Digital Land Mobile Radio-Communications, Feb. 5-7, 1985, Espoo, Finland, pp. 209-217.

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