Hand-off algorithm for elongated radiotelephone cells

Details Hand-off algorithm for elongated radiotelephone cells Hand-off algorithm for elongated radiotelephone cells

1990-11-07

1992-12-08

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

455 334, 455 89, 455 541, 379 60, H04Q 700

Patent

active

051704854

ABSTRACT:
The hand-off process of the present invention minimizes the number of hand-offs in radiotelephone system using smaller, elongated cells that may provide radiotelephone coverage in an urban environment along streets. While in the idle mode, the process of the present invention keeps track of the radiotelephone's direction of travel. When the radiotelephone is making a call, the base station process of the present invention keeps track of any fade condition that occurs, both short term and long term, and hands the radiotelephone off to another cell if one of these conditions occur.

REFERENCES:
patent: 5042082 (1991-08-01), Dahlin
Jansson et al., "The Future of Cellular Telephony" Ericsson Review No. 1, vol. 67 1990 pp. 42-52.

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