Issued Patents All Time
Showing 101–115 of 115 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7970081 | Delay-doppler channel response demodulation method and apparatus | Abdulrauf Hafeez, Dennis Hul | 2011-06-28 |
| 7889799 | Method and apparatus for OFDM channel estimation | Havish Koorapaty | 2011-02-15 |
| 7848468 | Adaptive pilot symbol allocation method and apparatus | Afif Osseiran | 2010-12-07 |
| 7747250 | Calibration method to achieve reciprocity of bidirectional communication channels | Peter Larsson | 2010-06-29 |
| 7733989 | Method and system of channel estimation | — | 2010-06-08 |
| 7711029 | Hopping pilot pattern for telecommunications | — | 2010-05-04 |
| 7453856 | Method, apparatus, and communications interface for sending and receiving data blocks associated with different multiple access techniques | — | 2008-11-18 |
| 7313110 | Methods, systems, and computer program products for allocating bandwidth in a radio packet data system based on data rate estimates determined for one or more idle transmitter/sector scenarios | Leonid Krasny | 2007-12-25 |
| 6876645 | Delay and channel estimation for multi-carrier CDMA system | Essam Sourour | 2005-04-05 |
| 6754253 | Receiver architecture for transmit diversity in CDMA system | — | 2004-06-22 |
| 6594793 | Methods and systems for multiplexing and decoding variable length messages in digital communications systems | — | 2003-07-15 |
| 6480556 | Rate detection apparatus and method for variable rate speech encoding | — | 2002-11-12 |
| 6332006 | Apparatus and methods for providing high-penetration messaging in wireless communications systems | Nils Rydbeck, Barbara Molnar, Ali S. Khayrallah, R. David Koilpillai | 2001-12-18 |
| 6320843 | Wireless communications systems with standard and robust services and methods of operation thereof | Nils Rydbeck, Barbara Molnar, Ali S. Khayrallah, R. David Koilpillai | 2001-11-20 |
| 6047171 | Method and apparatus for combating adjacent channel interference using multiple IF filters | Ali S. Khayrallah | 2000-04-04 |