Recursive reduction of channel state feedback

Details Recursive reduction of channel state feedback Recursive reduction of channel state feedback

2008-04-22

2008-04-22

Kim, Kevin (Department: 2611)

Pulse or digital communications

Transmitters

Plural diversity

C375S347000

Reexamination Certificate

active

07362822

ABSTRACT:
Feedback bandwidth may be reduced in a closed loop MIMO system by Householder transformations and vector quantization using codebooks.

REFERENCES:
patent: 4559605 (1985-12-01), Norsworthy
patent: 5999826 (1999-12-01), Whinnett
patent: 6597678 (2003-07-01), Kuwahara et al.
patent: 6847805 (2005-01-01), Liu
patent: 6927728 (2005-08-01), Vook et al.
patent: 7236748 (2007-06-01), Li et al.
patent: 2003/0085832 (2003-05-01), Yu
patent: 2003/0086366 (2003-05-01), Branlund et al.
patent: 2003/0125040 (2003-07-01), Walton, Jr. et al.
patent: 2003/0210750 (2003-11-01), Onggosanusi et al.
patent: 2004/0235433 (2004-11-01), Hugl et al.
patent: 2005/0101259 (2005-05-01), Tong et al.
patent: 2006/0056335 (2006-03-01), Lin et al.
patent: 2006/0056531 (2006-03-01), Li et al.
patent: 2006/0068718 (2006-03-01), Li et al.
patent: 2006/0068738 (2006-03-01), Li et al.
International Search Report and Written Opinion of the Inernational Searching Authority; Dated Jan. 31, 2006; PCT/US2005/031585, pp. 1-13.
Jihoon, C. , “Interpolation based transmit beamforming for MIMO-OFDM with Limited Feedback”,IEEE International Conference on Paris, France, Piscataway, NJ, USA., P20442PCT—PCT Search Report Written Opinion from PCT application serial No. PCT/US2005/031585,(Jun. 20, 2004), pp. 249-253.
“PCT Search Report”, PCT/US2005/031979, (Jan. 23, 2006), 12 pages.
June, C. R., “Channel Feedback Quantization Method for MISO and MIMO Systems”,Personal Indoor and Mobile Radio Communications, IEEE International Symposium, vol. 2, (Sep. 5, 2004), 805-809.
Onggosanusi, E. N., et al., “A Feedback-based Adaptive Multi-Input Multi-Output Signaling Scheme”,Conference Record of the 36th Asilomar Conference on Signals, Systems, & Computers, IEEE, US, vol. 1 (2), Conf. 36, (Nov. 3, 2002), 1694-1698.
Roh, June C., et al., “An Efficient Feedback Method for MIMO Systems with Slowly Time-Varying Channels”,WCNC 2004/IEEE Communications Society, 760-764.

Affiliated with

Also associated with

Rating

Recursive reduction of channel state feedback does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Recursive reduction of channel state feedback, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Recursive reduction of channel state feedback will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2752009