Beamforming with nulling techniques for wireless...

Details Beamforming with nulling techniques for wireless... Beamforming with nulling techniques for wireless...

2007-09-08

2011-12-27

Phillips, Hassan (Department: 2467)

Multiplex communications

Generalized orthogonal or special mathematical techniques

Particular set of orthogonal functions

C370S328000, C375S260000, C455S069000, C455S562100

Reexamination Certificate

active

08085653

ABSTRACT:
Beamforming with nulling techniques for wireless communications networks are disclosed. For example, an apparatus may include a beamforming module and a weight determination module. The beamforming module applies beamforming weights to a downlink user channel with a first mobile station. The weight determination module determines the beamforming weights based on user channel information and interfering channel information. This user channel information is received from the first mobile station and includes characteristics of the downlink user channel. However, the interfering channel information includes characteristics of one or more downlink interfering channels received by one or more further mobile stations. These downlink interfering channels are associated with transmissions across the downlink user channel with the first mobile station.

REFERENCES:
patent: 7069009 (2006-06-01), Li et al.
patent: 2006/0203891 (2006-09-01), Sampath et al.
patent: 2006/0210001 (2006-09-01), Li et al.
patent: 2008/0107035 (2008-05-01), Zhu et al.
patent: 2010/0020702 (2010-01-01), Wong et al.
patent: 2010/0208712 (2010-08-01), Wax et al.

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