Channel switching system for mobile communication

Details Channel switching system for mobile communication Channel switching system for mobile communication

1997-04-09

1999-04-27

Le, Thanh Cong

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

455 62, 455450, H04Q 700

Patent

active

058989269

ABSTRACT:
In a simplified portable telephone system having a small radius of a radio zone, a channel switching failure during high-speed movement or an instantaneous disconnection at the time of switching often occurs. Judgment is made upon whether a mobile station moves at high speed or low speed based on a degree of reduction in an electric field intensity of a channel currently used for a telephone call, and a radio base station having an electric field intensity, which is above a specified value and shows a largest increases is selected froze surrounding radio base stations which can be a target of channel switching during high-speed movement, thereby performing channel switching.

REFERENCES:
patent: 5396645 (1995-03-01), Huff
patent: 5432842 (1995-07-01), Kinoshita et al.
patent: 5574971 (1996-11-01), Aihara

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