Method and apparatus for an adaptive multiple-input...

Details Method and apparatus for an adaptive multiple-input... Method and apparatus for an adaptive multiple-input...

2005-11-22

2008-12-23

Eisen, Alexander (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S025000, C455S013300, C455S063400, C455S575700, C455S101000, C370S310000, C370S314000, C370S330000, C370S323000, C370S345000

Reexamination Certificate

active

07469152

ABSTRACT:
An adaptive MIMO communications system includes a multifunctional reconfigurable antenna with a selectively alterable effective physical antenna array configuration and radiation/polarization properties, which configuration and properties is a component in the optimization of the adaptive system parameters. The multifunctional reconfigurable antenna comprises a plurality of antenna components and a plurality of selectively controllable switches coupling selected ones of the plurality of antenna components together into a multifunctional reconfigurable subarray of antenna components. A processing unit coupled to the multifunctional reconfigurable antenna determines communication channel conditions for generating adaptive control signals to the plurality of selectively controllable switches to selectively apply a selected space-time coding protocol or a selected beam forming protocol together on the plurality of antenna components depending on channel conditions.

REFERENCES:
patent: 6417807 (2002-07-01), Hsu et al.
patent: 2002/0131516 (2002-09-01), El-Gamal et al.
patent: 2002/0132600 (2002-09-01), Rudrapatna
patent: 2006/0030364 (2006-02-01), Olesen et al.
patent: 2006/0034244 (2006-02-01), Huang et al.
patent: 2006/0039312 (2006-02-01), Walton et al.

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