Array antenna arrangement

Details Array antenna arrangement Array antenna arrangement

2011-05-24

2011-05-24

Tarcza, Thomas H (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a steerable array

C342S374000

Reexamination Certificate

active

07948436

ABSTRACT:
The present invention relates to an array antenna arrangement comprising at least two antenna sub-arrays and at least one antenna element in each antenna sub-array. The array antenna arrangement is adapted for calculation of a total covariance matrix (R) of a received signal vector (x). The array antenna arrangement further comprises at least one switch, where the number of switches corresponds to the number of antenna elements in each antenna sub-array. Each switch is connected to a respective radio chain, and is arranged to connect the antenna elements of a respective corresponding antenna sub-array to the respective radio chain cyclically. At least one full switch cycle, comprising a set of received signals for each switch configuration, is carried out for a calculation of the total covariance matrix (R). The present invention also relates to a corresponding method.

REFERENCES:
patent: 6104345 (2000-08-01), Tweg et al.
patent: 6795424 (2004-09-01), Kapoor et al.
patent: 7009912 (2006-03-01), Haley
patent: 7822442 (2010-10-01), Jin et al.
patent: 2002/0190902 (2002-12-01), Samson et al.
patent: 2004/0198452 (2004-10-01), Roy
patent: 2005/0101253 (2005-05-01), Pajukoski et al.
patent: 2005/0195103 (2005-09-01), Davis et al.
patent: 2006/0158375 (2006-07-01), Macleod
patent: 2007/0285315 (2007-12-01), Davis et al.

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