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<CENTER>
 <FONT COLOR="#0000FF" SIZE=+6><H3>Propagator</H3></FONT>

 <HR>

<FONT SIZE=+1><H4>Volume 5, No. 2, Spring/Summer 1995</H4></FONT>
</CENTER>

<HR>

<BR>
<A NAME="TOP">
<FONT COLOR="#0000CC" SIZE=3><B class="body">Contents</B></FONT>

<UL>
<DIV class="block">

<A HREF="#symposium95" class="body">1995 Symposium on Wireless Personal Communications Promises Excitement</A><BR>

<A HREF="#awards" class="body">MPRG RECEIVES NEW AWARDS</A><BR>

<A HREF="#studentprofiles" class="body">STUDENT PROFILES</A><BR>

<A HREF="#graduates" class="body">RECENT GRADUATES</A><BR>

<A HREF="#newstaff" class="body">NEW STAFF</A><BR>

<A HREF="#SISP" class="body">MPRG HOSTS FIRST SISP WORKSHOP</A><BR>

<A HREF="#PCS" class="body">CELLULAR/PCS CLASS ENJOYS RECORD ENROLLMENT</A><BR>

<A HREF="#education" class="body">VIRGINIA TECH METHOD FOR EDUCATING WIRELESS ENGINEERS</A><BR>

<A HREF="#antenna" class="body">THE ADAPTIVE ANTENNA TESTBED</A><BR>

<A HREF="#affiliateprofile" class="body">MPRG AFFILIATE PROFILE - GRAYSON ELECTRONICS</A><BR>

<A HREF="#publications" class="body">RECENT MPRG PUBLICATIONS</A><BR>

<A HREF="#visits" class="body">RECENT VISITS</A><BR>

<A HREF="#IEEE" class="body">NEW CELLULAR/PCS AT-HOME LEARNING PROGRAM UNVEILED BY IEEE</A><BR>

<A HREF="#calendar" class="body">CORDLESS CALENDAR</A><BR>

</DIV>
</UL>

<HR WIDTH="100%">

<BR>
<H3>FIFTH ANNIVERSARY!!!</H3>
<BR>
<A NAME="symposium95"><FONT SIZE=+1><B class="black">1995 Symposium on Wireless Personal Communications Promises Excitement</B></FONT></A>
<P>MPRG celebrates its fifth annual symposium with a superb technical program that includes four technical sessions and two cutting-edge evening panel sessions.  Given the industry's rapid adoption of new services and standards for wireless communications, this year's technical program features the results of real world trials and insights gained by service providers and manufacturers for a host of emerging services. </P>

<P>On May 31 - June 2, 1995, industry and university experts from around the globe will meet on the Virginia Tech campus to share the latest theories and techniques that are shaping the wireless future.  Four technical sessions  include papers and posters that cover the topics of wireless networks and services, wireless CDMA, radio propagation and system design, and simulation, modulation, and equalization for wireless communications.</P>

<P>This year's program also includes Wednesday and Thursday evening panel sessions on two of the hottest topics in the wireless communications industry: the Personal Communications System (PCS) buildout, and emerging Intelligent Transportation Systems (ITS).  The panel on ITS will present the views of visionaries in Intelligent Transportation Systems who will discuss new ITS communication products and problems for the mass market, with particular emphasis on Automatic Vehicle Monitoring (AVM) systems.  The panel will be chaired by Jim Chadwick of MITRE Corporation and will include Graham Smith from MobileVision, Wayne Stargardt with Pinpoint Communications, and Jonathan Riso of Southwestern Bell Mobile Systems.  The Thursday evening panel session features leading business and technical leaders who are deploying a wide range of PCS networks in the United States.  The PCS buildout panel will discuss the field challenges and successes of narrowband PCS, GSM PCS (DCS 1800), the Qualcomm CDMA PCS system, and ESMR.  The panel will be chaired by Mark Warner, a co-founder of Nextel and Telular, and an active PCS business developer, and Dr. Tom Stanley, Chief Engineer of the FCC.  Other panelists include Anil Kripalani from Qualcomm, Don Shirley from PageNet, Sorin Cohn from Northern Telecom, and Louis Olsen of LCC, Inc.  Both panel sessions promise to be lively and enlightening.</P>

<P>In keeping with MPRG tradition, the symposium opens with registration and a gourmet reception from 6:00 - 8:30 PM on Wednesday, May 31. The ITS panel session immediately follows the reception on Wednesday evening.  Technical sessions on Thursday and Friday follow a single session format to encourage participation and interaction by all attendees.  The PCS buildout panel session follows the Thursday evening reception, and a Virginia style party featuring a barbecue and live music will close the symposium on Friday evening.  The registration includes receptions on Wednesday and Thursday evenings, breakfasts and luncheons on Thursday and Friday, and the Friday evening party.  A high quality bound proceedings of all papers presented at the symposium are also included with the registration. </P>

<P>Conference fees, lodging and registration information, and a complete program is included on the back pages of this issue of The Propagator.  Be sure to register early, as attendance will be limited to ensure close interaction.  We look forward to hosting you at this year's Symposium!</P>

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<A NAME="awards"><FONT SIZE=+1><B class="black">MPRG RECEIVES NEW AWARDS</B></FONT></A>
<P>MPRG has received several recent contracts and awards to support student research in the field of wireless communications.  The Office of National Drug Control Policy (ONDCP) recently announced a 3-year $850,000 contract for the development of site specific radio propagation modeling tools.  Principal Investigators Ted Rappaport and Prab Koushik will be supporting several students to develop site specific ray-tracing models that can be used in the SISP framework.  SISP is the MPRG's open-architecture propagation prediction software that incorporates outdoor, indoor and building penetration models using a variety of databases.  Ultimately, MPRG plans to deploy SISP in real time on a notebook computer, so that instant channel predictions or system design may be made in the field.  The contract also provides for RF measurement system design and analysis, so that law enforcement agencies can rapidly measure or deploy wireless systems in a variety of scenarios.</P>

<P>MCI presented a $25,000 grant to MPRG for the development of the adaptive antenna testbed project.  Joe Liberti, a Ph.D candidate in MPRG, has developed a working 4 element smart antenna prototype based upon several Ariel DSP-96 boards to support the recent $1.7 Million award from ARPA.  Under the ARPA contract, four MPRG faculty are working together to fuse new concepts in computing, adaptive antennas, interference rejection, and multistage CDMA rake receiver detection, in order to develop a system with at least two orders of magnitude of capacity increase over AMPS.  MCI's grant allowed MPRG to purchase the smart antenna hardware before actual receipt of the ARPA contract, thereby providing a "head start" to the research.</P>

<P>National Semiconductor recently awarded MPRG with a $35,000 grant to investigate the performance of DECT radio systems.  The work will improve the RF channel measurement capability in MPRG, and will allow students to investigate the performance of various antennas in a DECT indoor environment.  As part of the grant, National Semiconductor is providing several working DECT phones for use by students in MPRG, thereby providing real user feedback for National.</P>

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<A NAME="studentprofiles"><FONT SIZE=+1><B class="black">STUDENT PROFILES</B></FONT></A><BR>
<strong>Mansoor Ahmed</strong> is a Masters student who joined MPRG in January 1995.  He is presently working on Site Specific Propagation Prediction (SISP) using ray tracing techniques with Dr. Rappaport.  He earned his undergraduate degree from the University of Nysore, India.<BR>
<BR>
<strong>Chris Carter</strong> is a Masters student working with Dr. Rappaport.  He joined the group in June of last year.  His interests are in propagation modeling and wireless communications.  Chris is working on the outdoor portion of the SISP project.  He received his BSEE at the University of Alaska, Fairbanks in May 1993.  Chris expects to graduate in the latter part of 1995.<BR>
<BR>
<strong>Dan Bailey</strong> joined the MPRG in January of 1994.  He works with Dr. Reed and is involved in the development of a frequency hopping transceiver for the 902-928 MHz ISM band.  He is currently a Masters candidate with research interests in Digital Signal Processing, filter design, algorithm implementation, and adaptive signal processing.  His thesis research includes the development of a digital filter simulator and Motorola DSP56x code generator for various filter structures for use in quantifying Signal to Quantization Noise performance.  Prior to pursuing a graduate degree, Dan was employed as a Hardware Design Engineer with the Raytheon Missile Systems Laboratory developing navigation and tracking systems.<BR>
<BR>
<strong>Tom Baugh</strong> joined MPRG in January 1995.  He is a Ph.D. student working with Dr. Rappaport with  interests in embedded software and hardware, including DSP, along with network issues associated with cellular communication.  Tom is re-engineering MPRG's real time simulation tool, BERSIM, for use on the WAMIS contract.  He received a B.S. in Control Systems from the U.S. Naval Academy in 1988 and a M.S. in Electrical Engineering from Virginia Tech in 1994.  He was recently employed as a Captain in the United States Marine Corps.<BR>
<BR>
<strong>Steve Kaminaris</strong> is currently a junior majoring in electrical engineering expecting to graduate in May 1996.  Since October 1994, he has been working at MPRG as an undergraduate researcher with Dr. Rappaport under a National Science Foundation scholarship.  His involvement at MPRG has been in Site Specific Propagation Prediction, Microsoft Access database design, and AutoCAD building database conversion.  After graduation, he plans to pursue a M.S. in the area of wireless communications.<BR>
<BR>
<strong>Parag Agashe</strong> joined Virginia Tech in the fall of 1994.  He is working with Dr. Woerner investigating the use of Interference Cancellation in a Multicell CDMA Environment.  He received his B.E. in Electronics and Telecommunications from the University of Poona, India.  His research interest lies in wireless communications.<BR>
<BR>
<strong>Matthew Welborn</strong> is a new M.S. student working with Dr. Reed.  He is studying methods to demodulate FM cellular signals using modern spectral estimation techniques.  The goal of his work is to develop methods that will be more resistant to co-channel interference than conventional demodulation techniques.  Matt recently left the United States Navy after serving for five years as a Nuclear Submarine Officer.<BR>
<BR>
<strong>Milap Majmunder</strong> joined MPRG as a M.S. student working with Dr. Reed.  He is currently investigating the performance of the Optimal Time Dependent Receiver applied to differentially decoded signals to mitigate co-channel interference.  Prior to coming to Virginia Tech for his graduate studies, Milap received his Bachelor's degree from Gujarat University, India.<BR>
<BR>
<strong>Scott Elson</strong> is working with Dr. Reed on link level simulations to evaluate the performance of Cellular Digital Packet Data systems.  Scott graduated with a B.S. in EE from Virginia Tech in 1993.  While an undergraduate, he was a four-year letterman for the soccer team.<BR>
<BR>
<strong>Kevin Saldanha</strong>, a Masters student joined the MPRG this spring.  He will examine issues that concern hand-off implementation in IS-95 and GSM systems.  At present, he is helping Dr. Rappaport format his text book, "<u>Wireless Communications: Principles and Practice.</u>"  He was awarded the Gold Medal for his undergraduate studies at the University of Bombay, India, and is currently seeking a summer co-op in the wireless field.<BR>
<BR>
<strong>Lara Beisgen</strong> is a M.S. student working with Dr. Brian Woerner on the use of spread spectrum technology for ITS applications.  Along with working at MPRG, she co-oped during the fall semester at BNR in Raleigh, NC where she worked in the DMS-10 Hardware Design Group.<BR>
<BR>
<strong>Ning Zhang</strong> is a M.S. student working with Prab Koushik and Ted Rappaport.  His research interests are applying computer methods in Site Specific Propagation Prediction, spread spectrum, and digital communication systems.  He completed his BSEE (Summa Cum Laude) and BS in Mathematics (Summa Cum Laude) from the University of Houston in May 1994.<BR>
<BR>
<strong>Keith Brafford</strong> joined the MPRG in February.  He brings to the group experience in high- and low-level software engineering and application development from three years of co-op experience with IBM, along with experience using hardware microcontrollers.  He is working with Tom Baugh and  Dr. Rappaport on the Autonomous Guided Vehicle project for indoor propagation measurements.<BR>
<BR>
<strong>Paul Petrus</strong> completed his M.S. in Adaptive Array Algorithms for IS-54 and AMPS and will be continuing with MPRG for his Ph.D.<BR>

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<A NAME="graduates"><FONT SIZE=+1><B class="black">RECENT GRADUATES</B></FONT></A>
<BR>

<strong>Subramanian T. Parameswaran (TPS)</strong> is now working for National Semiconductor in California.  TPS graduated from MPRG in December 1994 with a M.S. degree.<BR>
<BR>
<strong>JiannAn Tsai</strong> has accepted a job with LCC.  He received his M.S. degree in the Performance of IS-95 at Variable Vehicle Speeds.<BR>

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<A NAME="newstaff"><FONT SIZE=+1><B class="black">NEW STAFF</B></FONT></A>
<BR>

<strong>Angie Nelson</strong> has joined MPRG as a part-time graphics artist.  She has been a great addition to the group and a big help to the faculty, staff, and students of MPRG.  She has added a decorative touch to the student and staff works areas, and prepared all of the materials for the recent SISP workshop.  Angie is now coordinating the activities and invitations for the MPRG 5th Year Reunion that takes place the Saturday following the wireless symposium.  Angie's husband, Doug, is professor of Mechanical Engineering at Virginia Tech, and they have two boys.  Welcome aboard, Angie!<BR>
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<A NAME="SISP"><FONT SIZE=+1><B class="black">MPRG HOSTS FIRST SISP WORKSHOP</B></FONT></A>
<P>Several industry and government sponsors recently spent the day at MPRG, learning about progress in SISP (Site Specific Propagation Prediction).  SISP is MPRG's universal academic/industry channel modeling tool that is being developed under sponsorship from ARPA in order to support wireless system installation, design and research using the best knowledge of real-world radio channel conditions.</P>

<P>MPRG's work in microcell ray tracing, urban cellular modeling and prediction, and a new angle of arrival measurement system was demonstrated to industrial affiliates and visitors from the FBI, AT&T, Motorola, BNR, and Grayson Electronics.  Nine MPRG students and staff demonstrated research and implementation results during the workshop.</P>

<P>Of particular interest to the visitors was the uniform data standard which MPRG has developed for representing buildings and terrain features for site specific channel modeling.  Using the experiences and ideas of several former and current MPRG students, the SISP research team has developed standardized databases for all aspects of propagation measurement and prediction, for indoor, microcell, and outdoor mobile radio environments.  The Generalized Data Format (GDF) now allows manipulation of measurements as well as propagation predictions with computer generated maps.  The new building/terrain database standard handles photogrammetry data in a flexible AutoCAD format, and handles terrain in either USGS or AutoCAD formats.  Experience has indicated that the lack of well thought out standards for representing the "real-world" has limited the portability and accessibility of databases such as building floor plans and building orientations over terrain.  A six month brainstorming effort resulted in the new standards, which are being implemented and verified in SISP.</P>

<P>The Office of National Drug Control Policy recently demonstrated their interest in continuing the MPRG work on SISP for the development of a field-deployable wireless CAD tool that can support law enforcement, government, and commercial site deployment needs.  With a 3-year, $850K contract, MPRG will be expanding their efforts to create a new standard in computer-based wireless channel measurement, modeling and system design, so that in-situ system design and analysis can be carried out on a portable lap-top computer by a "non-expert".</P>

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<A NAME="PCS"><FONT SIZE=+1><B class="black">CELLULAR/PCS CLASS ENJOYS RECORD ENROLLMENT</B></FONT></A>
<P>The EE 6644 course in Virginia Tech's Bradley Department of Electrical Engineering reached a record attendance level this semester.  In the Spring 1995 semester, no less than 46 graduate students are enrolled in "Cellular Radio and Personal Communications".  The course covers wireless system design, standards, propagation, modulation, and networking, and involves system design problems that are close to real world.  Earlier in the semester, Deborah Stokes and Bob Bloedon of BNR met with the class, and explained the vision for PCS in the next 10 years.  A field trip to Blue Ridge Cellular is also planned during the semester.  </P>

<P>Virginia Tech is one of a handful of universities that offer courses in wireless communications.  The course is being taught from a draft of the textbook "Wireless Communications - Principles and Practice" due out by Prentice Hall in the summer, and the IEEE Press book "Cellular Radio and Personal Communications: Selected Readings".</P>

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<A NAME="education"><FONT SIZE=+1><B class="black">VIRGINIA TECH METHOD FOR EDUCATING WIRELESS ENGINEERS</B></FONT></A>
<P>Educating wireless engineers and creating tomorrow's wireless industry leaders are the primary missions of MPRG.  Our graduates receive many job offers and are often given responsibilities normally reserved for seasoned engineers.</P>

<P>Educating wireless engineers is especially challenging for the MPRG faculty.  Wireless communications is a rapidly changing area, more so than most areas of electrical engineering.  The curriculum must be dynamic to reflect the rapid pace of change in the wireless industry.  MPRG is also working to help engineers keep up with the field and to train those engineers who are changing career paths to take advantage of the opportunities in wireless communications.</P>

<P>There are philosophical principles followed by MPRG faculty to address these challenges.  The first of these principles is to make material practical and relevant to industrial needs.  This is often accomplished by integrating research into the classroom and having much of the research tied directly to problems suggested by MPRG industrial affiliate sponsors.  A second philosophical principle followed by the MPRG faculty is to closely advise students, providing them guidance in job selection, career opportunities, and co-op opportunities.  This mentoring relationship often continues well after a student has graduated.  The MPRG Industrial Affiliates program has enabled the faculty and affiliate sponsors to target students for specific jobs and needs.</P>

<P>The third philosophical principle is to look for non-traditional and innovative ways for educating students.  Student technical organizations are a non-traditional means of exposing students to campus visitors and late-breaking events.  Virginia Tech is home for the first student chapter of the IEEE Communications/Vehicular Technology Societies.  This student group engages in hardware projects and enlists speakers from industry.  To address the needs of both working engineers and traditional students, the MPRG faculty have edited several books and Dr. Rappaport has created an IEEE self-study course and textbook in wireless communications.  To further support the education of working engineers, MPRG faculty provides on-site short courses.  Selected classes are also televised over the Virginia Tech instructional television network to sites throughout North America.</P>

<P>Finally, it is extremely important to have a well-balanced curriculum.  Virginia Tech's Bradley Department of Electrical Engineering offers a broad, yet thorough, selection in wireless communications, including classes in analog and digital communications, advanced graduate classes in digital communications, radio design, laboratory classes, antenna design and analysis, microwave theory and techniques, communication circuits, spread spectrum communications, coding theory, satellite communications, communication system design, and telecommunication networks.  Virginia Tech is one of the few universities that offers a class in cellular and personal communications.  At Virginia Tech, even EE classes that are not directly communications oriented, include applications to wireless communications.</P>

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<A NAME="antenna"><FONT SIZE=+1><B class="black">THE ADAPTIVE ANTENNA TESTBED</B></FONT></A>
<P>MPRG Ph.D. student Joe Liberti has developed a testbed that will be used to validate adaptive array techniques on live signals.  As part of the ARPA WAMIS project, the testbed is implemented using a PC equipped with three Ariel DSP-96 boards, each of which is equipped with a 40 MHz Motorola 96002 processor.  Each board has two analog-to-digital converters which are synchronized such that they sample within 20 ns of each other.  The boards are interconnected so that communication is possible between the boards without the intervention of the host PC.  The system can operate on signals with carrier frequencies ranging from 800 MHz to 3.5 GHz.  The testbed currently works in real-time using four elements or it can be operated in a data-collection mode using six elements.  In the data collection mode, processing may be performed after data collection on a PC or workstation.  In real-time mode, all array processing is performed on the DSP boards.</P>

<P>In the four element real-time configuration, the signals from each of the four elements are down-converted to an IF frequency of 24 kHz and sampled at 96 kHz.  A digital downconversion technique is used to efficiently recover the In-Phase (I) and Quadrature (Q) portions of the signal from each element.  The signal from each element is multiplied by a complex weight and all of the weighted signals are summed together.  This results in an effective beam pattern that may be altered by adjusting the weights.  The system currently uses a steepest descent 2-2 form Constant Modulus Algorithm (CMA) to update the weights.  This algorithm updates the weights to form a beam that attempts to restore the constant-envelope property of the transmitted signal by minimizing the effects of interference, noise, and multipath.  The system can support an RF bandwidth of 30 kHz which is ideal for testing interference mitigation techniques for voice signals in AMPS, the current generation analog cellular radio standard.</P>

<P>In the IF and baseband stages, the testbed is implemented entirely in software and is therefore extremely flexible.  Researchers can easily investigate different adaptive algorithms and implement other digital receiver techniques as needed without needing to modify the existing hardware.</P>

<P>In the future, the adaptive antenna array may be used as part of an angle-of-arrival (AOA) measurement system for CW or swept-carrier measurements.  In a parallel effort, a unique laboratory course is being developed around the testbed hardware.  The mission of this lab course is to expose students to the unique combination of skills in adaptive signal processing, radio engineering, antenna design, and real-world DSP techniques required to successfully implement an adaptive antenna array.  MPRG research Rias Muhamed is learning about the array and serving as a test student for the lab course.</P>

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<A HREF="#TOP">[Contents]</A>
<BR><BR>


<A NAME="affiliateprofile"><FONT SIZE=+1><B class="black">MPRG AFFILIATE PROFILE - GRAYSON ELECTRONICS</B></FONT></A>
<P>Grayson Electronics Company, specializing in the design and manufacture of high quality, high performance electronic wireless communication products, is well poised to face the challenges of the fast-paced telecommunication industry in the nineties.  The organization, which has grown to over one hundred employees since 1987, remains lean and flexible, with a top-notch engineering group; dedicated, creative assembly and support teams; highly skilled sales and marketing; and a progressive minded management staff.  The culture at Grayson has become well established and is readily apparent even to casual visitors - it is a culture characterized by total employee involvement, continuous improvement, and complete customer satisfaction.</P>

<P>With engineering offices in Lynchburg and Blacksburg, Grayson designs a wide variety of wireless products, including cellular repeaters, microcells and wireless PBX equipment, hand-held data terminals, and, since its acquisition of TSR Technologies in 1993, an array of highly advanced communication test equipment for cellular, paging, and PCS systems.  All Grayson products are manufactured in a modern, highly automated facility specializing in surface-mount assembly and automated RF testing.</P>

<P>When asked for the key to the success of Grayson, president Terry Garner responds, "From the beginning, we strived to hire only the very best people and created an organization that allows - actually that demands - everyone to participate in the operation of this business.  Our continued success depends on our ability to produce high quality products in a highly technical, rapidly changing industry.  To meet the technical challenges, and also to maintain a source of skilled, talented new employees, we rely heavily on our close association with Virginia Tech and MPRG."  A member of MPRG since 1991, Garner says he is often questioned how such a small company can afford the affiliation.  "Quite simply," he responds, "we can't afford not to be a part of MPRG.  The advantages have been many - outstanding research in our specific field; close association with the key players in the industry; and a chance to meet the finest wireless engineering students in the country.  MPRG has also been instrumental in arranging a number of business opportunities with other companies in the area.  Dr.'s Rappaport, Woerner, and Reed have created an organization we're truly proud to be a part of."</P>

<P>Grayson's future plans call for continued growth, and increased emphasis on their Blacksburg facility as a development center.  Currently staffed with engineers from the former TSR Technologies organization, a number of new positions will be created in 1995, and the operation will be moved to a larger facility.  A number of Grayson employees currently are working on advanced degrees at Tech, and the Blacksburg facility is seen as the means for maintaining close ties with the academic community.</P>

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<A NAME="publications"><FONT SIZE=+1><B class="black">RECENT MPRG PUBLICATIONS</B></FONT></A><BR>
<B><U>Books</U></B>
<ul>
<li>"<i>Cellular Radio and Personal Communications: Selected Readings</i>," edited by T. S. Rappaport, IEEE Press, c. 1995.
</ul>

<B><U>Journal Papers</U></B>
<ul>
<li>A. Kaul and B. D. Woerner, "Analytic Limits on the Performance of Adaptive Multistage Interference Cancellations for CDMA</i>," IEE Electronic Letters, January, 1995.
<li>T. S. Rappaport and S. Sandhu, "<i>Radio-Wave Propagation for Emerging Wireless Personal Communication Systems</i>," IEEE Antennas & Propagation Magazine, October, 1994.
<li>J. H. Reed, N.M. Yuen and T.C. Hsia, "<i>An Optimal Receiver Using a Time-Dependent Adaptive Filter</i>," IEEE Transactions on Communications, February, 1995.
</ul>

<B><U>Conference Papers</U></B>
<ul>
<li>F. Dominique and P. Petrus, "<i>Spectral Redundancy Exploitation in Narrow Band Interference Rejection for a PN - BPSK System</i>," MILCOM '94, Ft. Monmouth, NJ, October, 1994.
<li>R.D. Holley and J.H.Reed, "<i>Using Spectral Correlation to Reduce Multiple Access Interference in CDMA Systems</i>," The Workshop on Cyclostationary Signal Processing, Monterey, CA, July, 1994
</ul>

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<A NAME="visits"><FONT SIZE=+1><B class="black">RECENT VISITS</B></FONT></A>
<BR>
Joe Tarallo, Steve Cosmas, Carl Weaver, Wei-hung Peng, John Rucki, Max Solondz, <strong>AT&T</strong><BR>

Dave Wood, <strong>Sprint</strong><BR>

David Hyduke, Ziad Sleem, <strong>Comsearch</strong><BR>

Drs. Yogi Mistry, Ron Toddy, <strong>Harris Corporation</strong><BR>

Doug Reed, <strong>Motorola</strong><BR>

Dr. Shalini Periyalwar, <strong>Bell Northern Research</strong><BR>

Dr. Scott Seidel, <strong>Bellcore</strong><BR>

John Clark, Chuck Morrison, Greg Stabler, Paul Stager, <strong>Grayson Electronics</strong><BR>

Pat Harley, Charlie Conti, <strong>FBI</strong><BR>

Philip White, <strong>GTE</strong><BR>

Kurt Schaubach, <strong>Southwestern Bell</strong><BR>

Deborah Stokes, Dr. Bob Bloedon, <strong>Bell Northern Research</strong><BR>

Stephen Garber, Warren Catlett, <strong>CFW Communications</strong><BR>

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<BR><BR>


<A NAME="IEEE"><FONT SIZE=+1><B class="black">NEW CELLULAR/PCS AT-HOME LEARNING PROGRAM UNVEILED BY IEEE</B></FONT></A>
<P>Based on the wireless communications courses at Virginia Tech's MPRG, the IEEE has developed an at-home independent learning program for engineers interested in cellular radio and personal communications.  The independent learning program covers all aspects of wireless communications, including world standards, and includes a course reader (with multiple choice problems), a compendium text, and a comprehensive final exam.  For more information, contact the IEEE Educational Activities Board at (908) 562 5498.</P>

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<A NAME="calendar"><FONT SIZE=+1><B class="black">CORDLESS CALENDAR</B></FONT></A>
<BR>
<ul>
<li>WINLAB Workshop<BR>
April 26-27, 1995<BR>
Piscataway, NJ<BR>
<BR>
<li>5th Annual Virginia Tech Symposium on Wireless Personal Communications<BR>
May 31-June 2, 1995<BR>
Virginia Tech<BR>
<BR>
<li>ICC '95<BR>
June 18-21, 1995<BR>
Seattle, WA<BR>
<BR>
<li>Wireless 95<BR>
July 10-12, 1995<BR>
Calgary, Alberta, Canada<BR>
<BR>
<li>IEEE VTC '95<BR>
July 26-28, 1995<BR>
Rosemont, IL<BR>
<BR>
<li>Personal, Indoor and Mobile Radio Communications (PIMRC'95)<BR>
September 27-29, 1995<BR>
Toronto, Canada<BR>
<BR>
<li>4th International Conference on Universal Personal Communications<BR>
November 6-10, 1995<BR>
Tokyo, Japan<BR>
<BR>
<li>Globecom '95<BR>
November 13-17, 1995<BR>
Singapore<BR>
</ul>

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