Issued Patents All Time
Showing 26–50 of 91 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6580930 | Signal detector selector and method for selecting a detector | Tracy L. Fulghum, R. David Koilpillai | 2003-06-17 |
| 6563861 | Doppler spread estimation system | Leonid Krasny, David Koilpillai | 2003-05-13 |
| 6535547 | Random access in a mobile telecommunications system | Bo Lyckegård, Riaz Esmailzadeh, Johan Nyström, Erik Dahlman, Karim Jamal | 2003-03-18 |
| 6532374 | Distributed radio telephone for use in a vehicle | David Townsend, David R. Irvin, Randy Bright | 2003-03-11 |
| 6493322 | Satellite diversity scheme | Amer A. Hassan, Barbara Molnar, Karl Molnar, Rajaram Ramesh | 2002-12-10 |
| 6483828 | System and method for coding in a telecommunications environment using orthogonal and near-orthogonal codes | Kumar Balachandran, Rajaram Ramesh, Havish Koorapaty, Eric Wang, Amer A. Hassan | 2002-11-19 |
| 6414945 | High power short message service using TDMA frames and/or broadcast control channel | Nils Rydbeck, Amer A. Hassan, Paul W. Dent | 2002-07-02 |
| 6415154 | METHOD AND APPARATUS FOR COMMUNICATING AUXILLIARY INFORMATION AND LOCATION INFORMATION BETWEEN A CELLULAR TELEPHONE NETWORK AND A GLOBAL POSITIONING SYSTEM RECEIVER FOR REDUCING CODE SHIFT SEARCH TIME OF THE RECEIVER | Yi-Pin Eric Wang | 2002-07-02 |
| 6335954 | Method and apparatus for joint synchronization of multiple receive channels | Gregory E. Bottomley | 2002-01-01 |
| 6327317 | Combined equalization and decoding techniques | Ravinder D. Koilpillai | 2001-12-04 |
| 6314081 | High power short message service using dedicated carrier frequency | Nils Rydbeck, Amer A. Hassan, Paul W. Dent | 2001-11-06 |
| 6226507 | Apparatus and method for selecting between a plurality of antennas utilized by a microcellular communications terminal for reception of a signal | Rajaram Ramesh | 2001-05-01 |
| 6212368 | Measurement techniques for diversity and inter-frequency mobile assisted handoff (MAHO) | Rajaram Ramesh, Gregory E. Bottomley | 2001-04-03 |
| 6192503 | Communications system and methods employing selective recursive decording | Amer A. Hassan | 2001-02-20 |
| 6137843 | Methods and apparatus for canceling adjacent channel signals in digital communications systems | Rajaram Ramesh, Gregory E. Bottomley, Paul W. Dent | 2000-10-24 |
| 6134286 | Synchronization techniques and systems for radiocommunication | Karl Molnar | 2000-10-17 |
| 6134260 | Method and apparatus for frequency acquisition and tracking for DS-SS CDMA receivers | Gregory E. Bottomley, Raymond L. Toy, 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, Gregory E. Bottomley | 2000-08-22 |
| 6091936 | Method and apparatus for reducing co-channel interference | Stanley Reinhold | 2000-07-18 |
| 6085103 | Compensating for fading in analog AM radio signals | Rajaram Ramesh | 2000-07-04 |
| 6046990 | High-penetration transmission method for a radiocommunication system | Nils Rydbeck, Amer A. Hassan, Paul W. Dent | 2000-04-04 |
| 6035178 | Satellite communication system for local-area coverage | Nils Rydbeck, Amer A. Hassan, Stanley Reinhold, David R. Irvin | 2000-03-07 |
| 6034987 | System for improving the quality of a received radio signal | Gregory E. Bottomley, Paul W. Dent | 2000-03-07 |
| 6031913 | Apparatus and method for secure communication based on channel characteristics | Amer A. Hassan, John Erik Hershey | 2000-02-29 |
| 6031874 | Unequal error protection in coded modulation schemes | Ravinder D. Koilpillai | 2000-02-29 |