IEEE Computer Society
Dallas Chapter
29 MAY 2009 Meeting
IEEE Computer Society |
Dallas Chapter 29 MAY 2009 Meeting |
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| When: | Friday 29 MAY 2009 Lunch: 11:30 AM - 12:15 PM Talk: 12:15 PM - 1:00 PM |
| Where: | Texas Instruments ("South Campus") 12500 TI Boulevard (SAME location as 8505 Forest Ln; just redefined main gate) Dallas, TX (Conference Rooms S1 & S2) |
| Topic: | Digitally Enhanced Analog Systems |
| Speaker: | Fernando Mujica, Ph.D. Digitally Enhanced Analog Systems Branch DSP Solutions R&D Center Texas Instruments -- Dallas |
| Abstract: | The trade off between digital and analog design complexity is not new. Recently however, design emphasis is moving from digital and analog partitioning to a digital and analog co-design focus. This means digital and analog teams must understand the inner workings of both domains to squeeze the optimal performance, power and area of the overall system. In some applications, like power amplifier (PA) linearization, this close interaction is driven by a need to reduce operating costs of wireless base stations. In order to increase the PA efficiency, crest factor reduction (CFR) and digital-pre-distortion (DPD) are used to drive the PA closer to saturation while maintaining signal quality requirements. This digital and analog design interplay is best exemplified by the common use of digital signal processing for calibration and compensation of analog to digital converters (ADC). In this seminar, we will discuss some applications of digitally enhanced analog systems (DEAS) including DPD for power amplifiers and compensation of ADCs. |
| Bio: | Fernando Mujica grew up in Caracas, Venezuela. He obtained the Electronic Engineering (Cum Laude) and Magister in Electronic Engineering (graduated with honors) degrees from Universidad Simón Bolívar, Caracas, in 1993 and 1995, respectively. In 1999, he completed the Ph.D. degree in Electrical Engineering from the Georgia Institute of Technology, Atlanta, Georgia. At Georgia Tech, he was affiliated with the Center for Signal and Image Processing (CSIP) and worked under the guidance of Prof. Mark J. T. Smith in multidimensional approaches for motion analysis.
Dr. Mujica joined the DSP Solutions R&D Center of Texas Instruments, Dallas, Texas in January 2000. For five years at TI, he was involved in many aspects of digital subscriber line (DSL) systems, ranging from software development to overall physical layer system engineering. He was elected Member Group Technical Staff of the TI Technical Ladder, in 2002. From January 2005 until the end of 2006, Dr. Mujica developed algorithms and system specifications for multi-input multi-output (MIMO) decoding and initial synchronization for 802.16 (WiMAX). Since January 2007 he has been leading the digital RF project, which focus on digital pre-distortion (DPD) and crest factor reduction (CFR) for wireless base-station power amplifiers (PA). This activity expanded to include various aspects of handset analog front-ends in 2008. Dr. Mujica is now the technical lead and manager of the Digitally Enhanced Analog Systems (DEAS) branch of the DSP Solutions R&D Center. He and his team have developed DEAS solutions to various applications including: DPD and CFR for PAs, I/Q imbalance compensation, antenna impedance matching, analog to digital converter compensation, etc. Dr. Mujica’s research interests are in the general area of signal processing. Dr. Mujica is a Senior Member of the IEEE. He is affiliated with the IEEE Signal Processing, Communication and Circuits and Systems Societies. Dr. Mujica has been granted ten U.S. patents and has more in the pipeline. In his spare time Fernando enjoys playing tennis, photography and motor sports. He is a club-racer and high-performance driving instructor for the BMW Car Club of America. He also instructs for Apex Driving Academy and Street Survival, a teenager driving program. He is married to Gayle, who is also a TIer. They have two daughters, Elena and Sofia. |
| Directions: | Even though TI's Forest Lane site has been given a new official entrance address at 12500 TI Boulevard and been renamed as TI's "South Campus," find our Dallas IEEE CS meetings just as you've always done. Head to the site's SouthEast (SE) entrance off Forest Lane JUST west of Greenville Avenue. Preferred parking is at extreme SE corner of the building. Enter the public lobby at building's SE corner and ask guard to direct you to conference rooms S-1/S-2 (very near this entrance). (See map.) |
| Cost: |
Technical Presentation: FREE to
both IEEE CS Members and the general public. Lunch: $10 to both Members and Non-Members. Please reserve lunch by 25 MAY with our online form or by contacting Lucrecia at 214-480-4194 (Lucrecia) . |
| Access: | Since the meeting rooms are inside TI, some attendees may need to pre-register for access. If you are neither a U.S. citizen nor permanent U.S. resident (with "green card") and are from a "restricted country", please contact Jim at 214-567-2637 (Jim) by 25 MAY to arrange for convenient pre-registration . |
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