Issued Patents All Time
Showing 101–125 of 146 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426978 | Digital communication systems and methods for differential and/or amplitude encoding and decoding secondary symbols | Rajaram Ramesh | 2002-07-30 |
| 6421371 | Modulation sequence synchronization methods and apparatus employing partial sequence correlation | Essam Sourour, R. David Koilpillai | 2002-07-16 |
| 6374098 | Systems and methods for locating remote units operating in a radiocommunication system using an adjunct system | Alex Krister Raith, R. David Koilpillai, Havish Koorapaty, Rajaram Ramesh | 2002-04-16 |
| 6363104 | Method and apparatus for interference cancellation in a rake receiver | — | 2002-03-26 |
| 6335954 | Method and apparatus for joint synchronization of multiple receive channels | Sandeep Chennakeshu | 2002-01-01 |
| 6333953 | System and methods for selecting an appropriate detection technique in a radiocommunication system | Jyun-Cheng Chen, R. David Koilpillai | 2001-12-25 |
| 6304618 | Methods and systems for reducing co-channel interference using multiple timings for a received signal | Abdulrauf Hafeez, Karl Molnar | 2001-10-16 |
| 6282181 | Pseudorandom number sequence generation in radiocommunication systems | Wayne E. Stark, Paul W. Dent | 2001-08-28 |
| 6252918 | Method and apparatus for digital symbol detection using medium response estimates | Karl Molnar, Rajaram Ramesh | 2001-06-26 |
| 6243428 | Method and apparatus for band-adaptive demodulation | Torbjorn Solve | 2001-06-05 |
| 6212368 | Measurement techniques for diversity and inter-frequency mobile assisted handoff (MAHO) | Rajaram Ramesh, Sandeep Chennakeshu | 2001-04-03 |
| 6195399 | Method and apparatus for converting a wideband if signal to a complex (quadrature) baseband signal | Paul W. Dent, Rajaram Ramesh, Richard H. Myers | 2001-02-27 |
| 6173014 | Method of and apparatus for interference rejection combining and downlink beamforming in a cellular radio communications system | Ulf Forssen, Thomas Ostman | 2001-01-09 |
| 6154507 | System and method for signal demodulation | — | 2000-11-28 |
| 6147982 | System and method for synchronizing acquisition for a code modulated communication system | Essam Sourour, Rajaram Ramesh | 2000-11-14 |
| 6137843 | Methods and apparatus for canceling adjacent channel signals in digital communications systems | Sandeep Chennakeshu, Rajaram Ramesh, Paul W. Dent | 2000-10-24 |
| 6134260 | Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers | Raymond L. Toy, Sandeep Chennakeshu, Karl Molnar | 2000-10-17 |
| 6108517 | Methods and apparatus for joint demodulation of adjacent channel signals in digital communications systems | Huseyin Arslan, Someshwar C. Gupta, Sandeep Chennakeshu | 2000-08-22 |
| 6081566 | Method and apparatus for interference rejection with different beams, polarizations, and phase references | Karl Molnar, Thomas Ostman | 2000-06-27 |
| 6073005 | Systems and methods for identifying emergency calls in radiocommunication systems | Alex Krister Raith, John Walter Diachina | 2000-06-06 |
| 6034987 | System for improving the quality of a received radio signal | Sandeep Chennakeshu, Paul W. Dent | 2000-03-07 |
| 6004028 | Device and method for receiving and reconstructing signals with improved perceived signal quality | — | 1999-12-21 |
| 6005887 | Despreading of direct sequence spread spectrum communications signals | Rajaram Ramesh, Paul W. Dent, Sandeep Chennakeshu | 1999-12-21 |
| 5991331 | System for improving the quality of a received radio signal | Sandeep Chennakeshu, Paul W. Dent | 1999-11-23 |
| 5937015 | Interference mitigation by joint decoding of overlapped signals | Paul W. Dent | 1999-08-10 |