Dr. Murat F. Karsi, Founder.

Dr. Karsi has led several government and commercial communication systems design projects for which Tosia Communications is chosen as a sub-contractor. A well recognized expert in communications systems theory and design, Dr. Karsi received his Ph.D. degree in electrical engineering from the University of Southern California, Los Angeles specializing in digital communication systems.

Prior to founding Tosia Communications Inc., Dr. Karsi held several senior technical management and engineering positions including Director of Systems Engineering at Prominent Communications of San Diego, Director of Advanced Development at Ellipsis Digital Systems of Carlsbad, California, and design team lead and engineering positions in the Wireless Communications Design and Advanced Development Units of IBM, Texas Instruments, Alantro Communications, and CommQuest Technologies. 

Dr. Karsi is a senior member of Institute of Electrical and Electronics Engineers (IEEE). He is the inventor of several patents and author of several publications on digital communications systems. A selected list is provided below:

Selected Patents, Publications, Reports:

Method, apparatus, and system for power amplifier efficiency improvement, US patent number 7,411,896. Issue date 08/12/2008. 

System , methiod and apparatus to implement low power high performance transceivers with scalable analog to digital conversion resolution and dynamic range, US patent number 7,295,645, issue date November 13, 2007. 

Digital Conversion and Compensation System, US patent number 7,285,599, issue date 11/13/2007.

Method, system, and apparatus to apply protocol-driven power management to reduce power consumption of digital communication transceivers, US patent number 7,073,079, issue date July 4, 2006.

Method for applying gain control signal to variable gain power amplifier, Japan patent number 3619162, registration date, 11/19/2004. 

Method and apparatus for providing gain control feedback in RF amplifiers, US patent number 6,920,334, issue date 07/19/2005.

Adaptive Encoding of Analog Signals, ISPACS, 2003, International Symposium on Intelligent Signal Processing and Communication Systems, 12/07/03, Awaji Island, Japan.

Effects of CW Interference on Carrier Synchronization, IEEE Transactions on Communications, May 2000, p.886 - 896.

 Method, system, and apparatus to apply protocol-driven power management to reduce power consumption of digital communication transceivers, US patent number 7,073,079, issue date July 4, 2006, US Patent Number 6,724,331 issue date April, 20, 2004. 

Method and Apparatus for Estimating and Digitizing Instantaneous Frequency and Phase of Band-pass Signals, US patent number 6,456,950, issue date 09/24/2002.

Effects of CW Interference on Carrier Tracking, MILCOM, Oct. 2-5 1994, Fort Monmouth, New Jersey.

Effects of Multiple CW Interferers on Carrier Synchronization, GLOBECOM, No.27, Dec.1 1994, San Francisco, California.

Performance of Minimum Mean Square Error Square Type Synchronizers for Partial Response Systems, National Congress of Electrical Engineering, Istanbul, Sep.1989.

Dr. Karsi can be reached at  mkarsi@tosiacomm.com.

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