Method for creating beamformed...

Details Method for creating beamformed... Method for creating beamformed...

2011-04-12

2011-04-12

Kim, Kevin Y (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

C375S267000

Reexamination Certificate

active

07924957

ABSTRACT:
The present invention discloses a method for generating beamformed multiple-input-multiple-output (MIMO) channels. The method comprises receiving by a base station (BS) a first plurality of receiving signals transmitted from a first antenna on a mobile station (MS), receiving by the BS a second plurality of receiving signals transmitted from a second antenna on the MS, nulling out a first predetermined percentage of the second plurality of receiving signals to generate a third plurality of receiving signals, calculating a first beamforming weighting vector corresponding to the first antenna on the MS using the first and third pluralities of receiving signals and creating a first beamformed MIMO channel from the BS to the first antenna on the MS using the first beamforming weighting vector.

REFERENCES:
patent: 6687492 (2004-02-01), Sugar et al.
patent: 2003/0003880 (2003-01-01), Ling et al.
patent: 2006/0146725 (2006-07-01), Li et al.
patent: 2007/0060061 (2007-03-01), Sampath
International Search Report, dated Apr. 18, 2008 in International Application No. PCT/US07/081700.

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