Technical Interests
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- Wireless communication systems
- Signal processing
- Digital communications
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Professional Experience
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MEMBER OF TECHNICAL STAFF,
Bell Laboratories -
Lucent Technologies,
1997 - present
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Responsible for forward-looking work on next generation wireless communications systems, including signal processing research for broadband CDMA.
RESEARCH ASSISTANT,
Communications & Signal Processing,
University of Delaware - US Army Research Labs,
1993 - 1997
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Developed new detection techniques for improved
CDMA multiuser communications.
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Introduced novel nonlinear receivers for
efficient communications under thunderstorm noise.
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Established a theory of robust signal processing
which attracted two government grants and served
as the basis of 3 doctoral dissertations and 3
master's theses at the University of Delaware.
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Prepared and wrote, in association with two
faculty members, a successful research grant
proposal awarded with more than $300,000 by NSF.
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Designed and led several research projects on
communications and signal processing. Project
contribution included initial concept, system
specification and student co-supervision.
TELECOMMUNICATIONS ENGINEER,
City of Medellin Telecom Company,
Colombia, 1990 - 1993
- Responsible for traffic-related planning and
design aspects of the company's 700,000+ suscribers
network.
- Designed channel and routing policies that
directly influenced project investments of over
$1,000,000.
- Performed cost-benefit studies and economic-
technological recommendations involving issues on
SS7, ISDN, digital switching and transmission.
- Designed and developed a testing system for the
company's public payphones (software and hardware).
Led a team of four technicians that successfully
implemented the final prototype.
VISITING PROFESSOR of Electrical Engineering,
Pontificia Bolivariana University,
Colombia, 1992 - 1993
- Designed and taught three different senior
courses on communications and signal processing.
GENERAL MANAGER,
Miramar Farm,
Colombia, 1990
- Full responsibility for the operation of a medium-sized coffee farm. Duties included personnel supervision, management of operations and product trade.
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Education
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Ph. D. ELECTRICAL ENGINEERING
University of Delaware,
USA, 1997
Dissertation:
Robust Techniques for Wireless
Communications in NonGaussian Environments
Advisor:
Dr. Gonzalo R. Arce
GPA: 3.93 / 4.00
M.S. ELECTRICAL ENGINEERING
University of Delaware,
USA, 1995
Thesis:
A New Approach to Suppressing Abnormal
Tremor through Signal Equalization
M.S. STATISTICS
National University of Colombia at Medellin,
Colombia, 1993
Thesis:
Elements for a Theory of Estimation of Impulsive Processes
with
Applications in Telecommunications
B.S. ELECTRICAL ENGINEERING (With Honors)
Pontificia Bolivariana University,
Colombia, 1990
Thesis:
Design and Development of a Novel Testing System for
Digital Telephone Boards
B.S. MATHEMATICS
National University of Colombia at Medellin,
Colombia, 1990
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Selected Publications
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Has written around 20 journal and conference
papers in the areas of communications and
signal processing.
The complete list, including abstracts, demos and
full article copies, is available on the WWW.
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"NonLinear Matched Filter Receivers for Communications
over Impulsive Channels."
Submitted to the
IEEE Trans. on Info. Theory, 1997.
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"Weighted Myriad Filters - A Powerful Framework
for Efficient Filtering in Impulsive Environments."
Submitted to the
IEEE Trans. on Signal Processing, 1997.
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"Adaptive Reception in a Poisson-Type DS-CDMA
Interference Field."
To be submitted to the
IEEE Trans. on Communications, 1997.
- "Multiple Access in Wireless Communications."
Col. Telecomm. Mag., Nov. 1995.
- "Efficient Data Transmission Techniques for
Bandlimited Channels."
Tech. Rep. EE Dpt, U. of Delaware, 1995.
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Selected Honors & Awards
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Has been recognized
with several international honors,
including a scientific paper award, an honor degree
distinction in
electrical engineering, and a variety of outstanding
positions in academic
competitions at national and international levels.
The complete list, indicating merit and description
of the awards,
is available on the WWW.
- Honor Degree Distinction in Electrical
Engineering, Bolivariana University,
Medellin, Colombia, 1995.
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Whitaker Scientific Paper Award, RESNA
International Conference, Vancouver, Canada, 1995 .
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First place (out of ten thousand) in the VI
Colombian Mathematical
Olympiads, 1986.
- AHSME Honor Roll International Medal, 1986.
- Bronze medal in the First Iberoamerican
Mathematical Olympiads, Paipa, Colombia, 1985 .
- Graduate Honor Scholarship in Statistics,
National University of Colombia, Medellin,
Colombia, 1993 .
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Other Professional Activities
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Peer reviewer for the following scientific journals and
foundations:
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Executive board member of the
Forum for Colombian Development,
a U.S. nonprofit organization that aims for the
scientific development of Colombia.
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Created and directed for three years the company
Solving Math, specialized in mathematics and
statistics education.
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Member of the IEEE Communications Society.
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Skills
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Telecommunications
Extensive involvement (research level) with
wireless communication technologies: reception,
modulation, multiple access, equalization, fading
and multipath channels, etc.
Extensive knowledge of teletraffic and network
planning engineering.
Experience with Fetex-150, AXE, ARF and AGF
telephone switches. Technically involved with
SS7, ISDN and SDH technologies.
Computer
Experience developing communications and signal
processing applications in MATLAB, Pascal,
Fortran and C.
Experienced user of PLANITU, the network planning
package of the ITU.
Literate in Internet-related applications,
WWW, HTML and webpage design.
Operating systems: UNIX, DOS, VMS, MS-Windows.
Statistics tools: Statgraphics, Shazam.
Clip-art and word processing: LaTeX, Framemaker,
MS-Word, Xfig, Showcase.
Foreign Languages
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References
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Dr. Gonzalo R. Arce,
Department of Electrical Engineering
University of Delaware, Newark, DE, 19711
Email:
arce@ee.udel.edu
Ph.: (302) 831-8030
Dr. A. Brinton Cooper, III,
Senior Research Scientist
U.S. Army Research Laboratory, Attn.: AMSRL-IS-TP
Aberdeen Proving Ground, MD 21005-5067
Email:
abc@arl.mil
Ph.: (410) 278-6883
Dr. Xiang-Gen Xia
Department of Electrical Engineering
University of Delaware, Newark, DE, 19711
Email:
xxia@ee.udel.edu
Ph.: (302) 831-8038
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This page last modified, November 8, 1997.
Please send comments or questions about this web site to
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