Beam forming apparatus and method for an array antenna system

Details Beam forming apparatus and method for an array antenna system Beam forming apparatus and method for an array antenna system

2008-04-01

2008-04-01

Taylor, Barry (Department: 2617)

Multiplex communications

Communication over free space

Having a plurality of contiguous regions served by...

C455S561000, C455S562100, C455S110000

Reexamination Certificate

active

11123235

ABSTRACT:
A joint channel and Direction of Arrival (DOA) estimation apparatus and method simplified to efficiently estimate a channel impulse response associated with a spatially selective transmission channel occurring in a mobile radio channel are provided. To uniformly process all directions, angles associated with a beam are predetermined according to a preset method. This selection calculates a linear system model with regular spatial sampling using regular spatial separation of beam angles. The novel beam forming compensates for a difference between an adaptive array antenna and a sector type antenna using appropriate beam steering according to the calculated linear system model, thereby improving performance and facilitating implementation.

REFERENCES:
patent: 7117016 (2006-10-01), Kisigami et al.
patent: 7239893 (2007-07-01), Yang
patent: 2006/0244660 (2006-11-01), Ann et al.

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