Issued Patents All Time
Showing 26–47 of 47 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8625713 | Method for beamforming transmissions from a network element having a plurality of antennas, and the network element | Li Li | 2014-01-07 |
| 8620373 | Power allocation in a wireless system with base stations having antenna arrays | Alexei Ashikhmin | 2013-12-31 |
| 8594215 | MIMO system having a plurality of service antennas for data transmission thereof | Alexei Ashikhmin | 2013-11-26 |
| 8582684 | Interference alignment for channel-adaptive waveform modulation | Urs Niesen | 2013-11-12 |
| 8559899 | Method of improving transmission gain at a network element having a plurality of antennas | Li Li, Hong Yang | 2013-10-15 |
| 8427169 | Noninvasive characterization of electrical power distribution systems | Bertrand Hochwald | 2013-04-23 |
| 8179779 | Pilot signal allocation method and apparatus for multi-user wireless systems | Alexei Ashikhmin | 2012-05-15 |
| 8143746 | Automatic tuning for wireless power transfer | Michael G. Zierdt | 2012-03-27 |
| 8140070 | Methods for reducing inter-cell interference by precoding signals for transmission in wireless MIMO system | Alexei Ashikhmin, Jubin Jose | 2012-03-20 |
| 8054925 | Method and apparatus for synchronizing a receiver | Alexei Ashikhmin, Adriaan J. De Lind Van Wijngaarden | 2011-11-08 |
| 7653120 | Channel-adaptive waveform modulation | Aiyou Chen, Jack Salz | 2010-01-26 |
| 7508808 | Frequency-division multiplexing system and method for communication having enhanced reliability in fading environments | — | 2009-03-24 |
| 6693976 | Method of wireless communication using structured unitary space-time signal constellations | Babak Hassibi, Bertrand Hochwald | 2004-02-17 |
| 6452916 | Space-time spreading method of CDMA wireless communication | Bertrand Hochwald, Constantinos Papadias | 2002-09-17 |
| 6363121 | Wireless transmission method for antenna arrays using unitary space-time signals | Bertrand Hochwald, Thomas Richardson, Wim Sweldens, Rudiger L. Urbanke | 2002-03-26 |
| 6349219 | Antenna array having reduced sensitivity to frequency-shift effects | Bertrand Hochwald | 2002-02-19 |
| 6327310 | Wireless transmission method for antenna arrays, having improved resistance to fading | Bertrand Hochwald | 2001-12-04 |
| 6307882 | Determining channel characteristics in a space-time architecture wireless communication system having multi-element antennas | — | 2001-10-23 |
| 6058105 | Multiple antenna communication system and method thereof | Bertrand Hochwald | 2000-05-02 |
| 6044120 | Time-varying weight estimation | Israel Bar-David, Glenn David Golden, Nelson Sollenberger, Jack Winters | 2000-03-28 |
| 4851781 | Method and apparatus for investigating a borehole using an array of elements | Weng C. Chew | 1989-07-25 |
| 4594691 | Sonic well logging | Christopher Kimball | 1986-06-10 |