Method and apparatus for reducing interference in a radio commun

Details Method and apparatus for reducing interference in a radio commun Method and apparatus for reducing interference in a radio commun

1997-04-07

1998-09-15

Vo, Nguyen

Telecommunications

Transmitter and receiver at separate stations

Distortion, noise, or other interference prevention,...

455446, 455450, 455 62, 455562, H04B 1500, H04B 138, H04M 100

Patent

active

058094016

ABSTRACT:
A method and apparatus is provided for reducing interference in a radio communication link from a central site (230) to a mobile unit (228) in a cellular communication system. The central site (230) includes a first (202) and a second (216) antenna which serve the geographic region (214) in which the mobile unit (228) is located. The radio communication link may be provided by communicating a signal in a first radio communication channel between the first central site antenna (202) and the mobile unit (228). Similarly, the radio communication link may be provided by communicating a signal in a second radio communication channel between the second central site antenna (216) and the mobile unit (228). A measure of interference in the first radio communication channel providing the radio communication link is determined. The radio communication link is switched, in response to the measure of interference being above a predetermined threshold, from the first to the second radio communication channel.

REFERENCES:
patent: 4932049 (1990-06-01), Lee
patent: 5428818 (1995-06-01), Meidan et al.
patent: 5678187 (1997-10-01), Meidan et al.

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