Method and device for suppressing multipath interference in...

Details Method and device for suppressing multipath interference in... Method and device for suppressing multipath interference in...

2007-09-11

2007-09-11

Nguyen, Duc M. (Department: 2617)

Telecommunications

Receiver or analog modulated signal frequency converter

Plural receivers

C455S179100, C455S193100, C455S226200

Reexamination Certificate

active

10473563

ABSTRACT:
A method and a device for a receiver for electromagnetic waves having at least two antennas are described; using this method and this device it is possible to effectively suppress multipath interference, while a portion of the antenna signals may also be utilized for other purposes at least temporarily, e.g., to allow better utilization of the possibilities of RDS activities. To do so, a first antenna signal (1) is used as the basis for generating a playback signal (23) when the signal quality of the first antenna signal (1) is above a defined threshold for undisturbed reception—case 1. In this case 1, the signal quality of the first antenna signal (1) is determined. If the signal quality of the first antenna signal (1) falls below this threshold—case 2—then a new signal y generated from at least two antenna signals (1, 2) is used as the basis for generating the playback signal (23). In case 2, the signal quality of new generated signal y and the signal quality of at least one antenna signal (2) are determined. New generated signal y is used as the basis for generating the playback signal (23) as long as the signal quality determined for the one antenna signal (2) is below this threshold and is evaluated as being inferior to the signal quality of the new generated signal y.

REFERENCES:
patent: 5345602 (1994-09-01), Wiedemann et al.
patent: 6141536 (2000-10-01), Cvetkovic et al.
patent: 6172970 (2001-01-01), Ling et al.
patent: 6952384 (2005-10-01), Shoji et al.
patent: 0 961 419 (1999-12-01), None
patent: 0 967 746 (1999-12-01), None

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