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...

2008-12-08

2009-11-17

Afshar, Kamran (Department: 2617)

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

C455S063400, C455S575700, C343S7000MS

Reexamination Certificate

active

07620424

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: 6714169 (2004-03-01), Chau et al.
patent: 2002/0132600 (2002-09-01), Rudrapatna
patent: 2005/0085270 (2005-04-01), Sobczak et al.
patent: 2005/0088358 (2005-04-01), Larry et al.

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