SDMA system using MU-SIMO for the uplink and MU-MISO for the...

Multiplex communications – Diagnostic testing – Determination of communication parameters

Reexamination Certificate

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

C370S329000, C370S341000

Reexamination Certificate

active

10843218

ABSTRACT:
The present invention relates to multiple antenna wireless access points that multiplex signals by spatial division. In particular, it relates to grouping clients of the access point for spatial division multiplexing. Particular aspects of the present invention are described in the claims, specification and drawings.

REFERENCES:
patent: 5642353 (1997-06-01), Roy et al.
patent: 5909649 (1999-06-01), Saunders
patent: 6041237 (2000-03-01), Farsakh
patent: 6240098 (2001-05-01), Thibault et al.
patent: 6377819 (2002-04-01), Gesbert et al.
patent: 6865377 (2005-03-01), Lindskog et al.
patent: 6870808 (2005-03-01), Liu et al.
patent: 6965774 (2005-11-01), Kasapi et al.
patent: 2002/0114269 (2002-08-01), Onggosanusi et al.
patent: WO 03/069816 (2003-08-01), None
Bolcskei et al., “On the Capacity of OFDM-Based Spatial Multiplexing Systems”, IEEE Transactions on Communications, vol. 50, No. 2, Feb. 2002, pp. 225-234.
Bonek et al., “Smart Antennas for Mobile Communication Systems”, Project Report, Dec. 18, 1998, Technische Universitat Wien, Institut fur Nachrichtentechnik und Hochfrequenztechnik, 21 pages.
Gore et al., “MIMO Antenna Subset Selection With Space-Time Coding,” IEEE Transactions on Signal Processing, vol. 50, No. 10, Oct. 2002, pp. 2580-2588.
Laurila et al., “Semi-Blind Signal Estimation for Smart Antennas Using Subspace Tracking”, IEEE Catalog No. 99EX304, , 5 pages, 2d IEEE Signal Processing Workshop on Signal Processing Advances in Wireless Communications, May 9-12, 1999, Annapolis, MD.
Nabar et al., “Cut-Off Rate Based Transmit Optimization for Spatial Multiplexing on General MIMO Channels”, Communication Technology Laboratory ETH Zurich and Information Systems Laboratory, Stanford University, CA, ICASSP 2003, pp. V-61-V64.
Paulraj et al., Space-Time Modems for Wireless Personal Communications, IEEE Personal Communications, Feb. 1998, pp. 36-48.
Ponnekanti, “An Overview of Smart Antenna Technology for Heterogeneous Networks”, IEEE Communications Surveys, 4th Quarter 1999, vol. 2, No. 4, pp. 14-23.
Sandhu et al., “Introduction to Space-Time Codes”, 33 pages, (2003).
Stevanovic et al., “Smart Antenna Systems for Mobile Communications,” Final Report, Jan. 2003, Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland, 110 pages.
Thoen et al., “Constrained Least Squares Detector for OFDM/SDMA-Based Wireless Networks”, Interuniversity Micro Electronics Center, Heverlee, Belgium, IEEE 2001, pp. 866-870.
Utschick et al., “Comparison of Two DOA Tracking Implementations for SDMA”, Lehrstuhl fur Netzwerktheorie und Signalverarbeitung Technische Universitat, Munich, Germany, 5 pages, (2003).
Will, “Introduction to the Singular Value Decomposition”, (c) 1999, printed Jan. 21, 2004 at www.uwlax.edu/faculty/will/svd/index.html, 112 pages.
International Search Report for PCT/US2005/16498 dated Jun. 14, 2006.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

SDMA system using MU-SIMO for the uplink and MU-MISO for the... does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with SDMA system using MU-SIMO for the uplink and MU-MISO for the..., we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and SDMA system using MU-SIMO for the uplink and MU-MISO for the... will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-3870960

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.