Issued Patents All Time
Showing 25 most recent of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9706450 | Wireless communication system with adjacent base stations transmitting a common group cell identifier | Henry Chang, Amit Kalhan, David Comstock | 2017-07-11 |
| 9295000 | Power management in a portable communication device configuration version | Henry Chang | 2016-03-22 |
| 8989172 | Data routing through local network connected to a base station | Amit Kalhan | 2015-03-24 |
| 8792468 | System and method for broadcasting overhead parameters in poor coverage regions | Amit Kalhan, Henry Chang, Timothy Thome | 2014-07-29 |
| 8666445 | Apparatus, system, and method for transmission antenna switching in a portable communication device | Henry Chang, Gregory Poilasne | 2014-03-04 |
| 8391865 | System selection method and arrangement for mobile wireless communication devices | Amit Kalhan, Timothy Thome, Henry Chang | 2013-03-05 |
| 8315615 | Wireless communication device management system and method | Amit Kalhan, Henry Chang | 2012-11-20 |
| 8260939 | System and method for scheduling wireless channel resources | Henry Chang | 2012-09-04 |
| 8238921 | User zone information transmission management | Henry Chang | 2012-08-07 |
| 8195156 | System scanning method and arrangement for mobile wireless communication devices | Amit Kalhan, Anupam Juneja | 2012-06-05 |
| 8165577 | Pilot signal transmission management | Henry Chang | 2012-04-24 |
| 8165606 | Apparatus, system, and method for location information management in a portable communication device | Amit Kalhan, Henry Chang | 2012-04-24 |
| 8126468 | Apparatus, system and method for priority call management | Henry Chang, Amit Kalhan | 2012-02-28 |
| 8073500 | Detecting the presence of multiple communication access technologies | Henry Chang | 2011-12-06 |
| 7847740 | Antenna system having receiver antenna diversity and configurable transmission antenna and method of management thereof | Gregory Poilasne, Henry Chang, Huan-Sheng Hwang, Ramon Khalona | 2010-12-07 |
| 7706790 | System scanning method and arrangement for mobile wireless communication devices | Amit Kalhan, Anupam Juneja | 2010-04-27 |
| 7574218 | Systems and methods for transmitting global positioning system information | Tim Forrester, Henry Chang | 2009-08-11 |
| 7567807 | Apparatus and method for performing handoff with a mobile station having a smart antenna | Henry Chang | 2009-07-28 |
| 7508791 | Wireless communication coding and transmission systems and methods | Amit Kalhan, Henry Chang, Ramon Khalona | 2009-03-24 |
| 7499681 | Apparatus, system, and method for managing an antenna network during a half duplex call | Henry Chang, Jorge Fabrega-Sanchez | 2009-03-03 |
| 7499691 | Systems and methods for selecting an antenna configuration in a mobile communication device | Henry Chang | 2009-03-03 |
| 7437170 | System and method for efficient push-to-talk communications | Henry Chang | 2008-10-14 |
| 7333818 | System and method for call processing in a mobile device with position location capability | — | 2008-02-19 |
| 7248845 | Variable-loss transmitter and method of operation | — | 2007-07-24 |
| 7231227 | Systems and methods for blind source separation of wireless communication signals | Amit Kalhan, Ramon Khalona, Henry Chang, Richard J. Camarillo | 2007-06-12 |