Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7876849 | Data transmission method and apparatus using networked receivers having spatial diversity | — | 2011-01-25 |
| 7852868 | Method and apparatus for establishing circuit connections over local area networks with frequency selective impairments | James E. Petranovich | 2010-12-14 |
| 7830907 | Frame structure for OFDM signaling, including beacons and traffic | James E. Petranovich, Neal Riedel, Deepak Ayyagari, Daniel J. Park, Garold B. Gaskill | 2010-11-09 |
| 7724637 | Method and apparatus for controlled spectrum multi-carrier modulation | — | 2010-05-25 |
| 7450604 | Method and apparatus for establishing circuit connections over local area networks with frequency selective impairments | James E. Petranovich | 2008-11-11 |
| 7376075 | Circular constellations with coherent gain/differential phase and pilots | James E. Petranovich, Yiorgos M. Peponides, Cenk Köse | 2008-05-20 |
| 7257165 | Method and apparatus for preamble detection and time synchronization estimation in OFDM communication systems | — | 2007-08-14 |
| 6854059 | Method and apparatus for medium access control in powerline communication network systems | — | 2005-02-08 |
| 6370135 | Continuous CDPD base station and method of facilitating efficient data transfer | — | 2002-04-09 |
| 6188903 | Method and apparatus for frequency reuse in cellular communication systems | Sheldon L. Gilbert, Carl HARDIN, James E. Petranovich | 2001-02-13 |
| 6122527 | Cellular digital packet data mobile data base station | Mark T. Robinson, Matt Wong, Seton Paul Kasmir, Kumar Balachandran, Sue Graham +2 more | 2000-09-19 |
| 6058289 | Method and apparatus for low power mobile unit for cellular communications system | Carl HARDIN, James E. Petranovich | 2000-05-02 |
| 6038455 | Reverse channel reuse scheme in a time shared cellular communication system | Sheldon L. Gilbert, Carl HARDIN, James E. Petranovich | 2000-03-14 |
| 5946624 | Synchronized frequency hopping | James E. Petranovich, Sheldon L. Gilbert | 1999-08-31 |
| 5819182 | Method and apparatus for improving receiver performance in a land mobile communications system | Carl HARDIN | 1998-10-06 |
| 5729557 | Cellular communication system with multiple code rates | James E. Petranovich, C. Thomas Hardin | 1998-03-17 |
| 5627499 | Digital modulator and upconverter having single-bit delta-sigma data converters | — | 1997-05-06 |
| 5544222 | Cellular digtial packet data mobile data base station | Mark T. Robinson, Matt Wong, Seton Paul Kasmir, Kumar Balachandran, Sue Graham +2 more | 1996-08-06 |
| 5533029 | Cellular digital packet data mobile data base station | — | 1996-07-02 |
| 5517530 | Method and apparatus for dual demodulation of mobile channel signals | — | 1996-05-14 |
| 5511098 | Digital methods and apparatus reverse link signal detection and recovery in a mobile data base station | — | 1996-04-23 |
| 5504786 | Open loop phase estimation methods and apparatus for coherent combining of signals using spatially diverse antennas in mobile channels | — | 1996-04-02 |
| 5473637 | Open-loop phase estimation methods and apparatus for coherent demodulation of phase modulated carriers in mobile channels | — | 1995-12-05 |
| 5412353 | Phase-locked loop frequency modulation circuit for input modulation signals having low-frequency content | Naom Chaplik, Seton Paul Kasmir | 1995-05-02 |
| 4879720 | Decoder ring system | William A. Shumate, Daniel R. Kindred, Franklin P. Antonio, Krishnanand Kelkar, Thomas R. Bilotta +1 more | 1989-11-07 |