Research Interests
Wireless Communication
Wireless communication, digital communication systems, navigation position location.
Education
- Ph D, (1983), University Of Wisconsin - Madison, Wisconsin
- MS, (1979), University Of Wisconsin - Madison Wisconsin
- BS, (1977), University Of Wisconsin - Madison Wisconsin
Selected Publications
- Weitzen, J.A., Rashid, M.M., Johnston, S.P., Maase, E.L., Willis, D.J. (2015). A methodology for restructuring our first year introduction to engineering sequence at University of Massachusetts Lowell (122nd ASEE Annual Conference and Exposition: Making Value for Society:). American Society for Engineering Education
- Weitzen, J.A., Wakim, R.E., Webster, E. (2015). Comparison of Coverage Quality RSRP,CQI, SINR for coordinated and uncoordinated LTE Small Cell Clusters . Proceedings IEEE COMCAS Conference
- Weitzen, J.A., Grosch, T. (2015). Measurements of Inter-Femtocell Reverse Link Interference, . Proceedings 2015 International Conference on Wireless Networks
- Weitzen, J.A., Wakim, R.E. (2015). Using Informatics to Manage and Measure Performance of Large Femtocell Networks . Journal of Data Analysis and Information Processing (JDAIP).
- Weitzen, J., Rux, A., Webster, E. (2014). The university of massachusetts lowell laboratory in a box a new teaching technique for ECE labs. ASEE Annual Conference and Exposition, Conference Proceedings
- Weitzen, J.b., Li, M., Anderland, E., Eyuboglu, V. (2013). Large-scale deployment of residential small cells. Proceedings of the IEEE, 101(11) 2367-2380.
- Weitzen, J., Wakim, R. (2013). Managing and measuring performance of large femtocell networks. 2013 IEEE International Conference on Microwaves, Communications, Antennas and Electronic Systems, COMCAS 2013
- Sevindik, V., Bayat, O., Weitzen, J.A. (2011). Scheduler design for traffic classification in CDMA2000 1xEVDO network. Wireless Networks, 17(8) 1731-1744.
- Sevindik, V., Bayat, O., Weitzen, J.A. (2011). Traffic differentiation for BE users in CDMA 1xEVDO networks. Multimedia Tools and Applications, 55(3) 507-523.
- Sivananthan, S., Weitzen, J.A. (2010). Sub-optimality of the prefilter in deeply coupled integration of GPS and INS. Navigation, Journal of the Institute of Navigation, 57(3) 175-184.
- Fagen, D., Vicharelli, P.A., Weitzen, J.A. (2008). Automated wireless coverage optimization with controlled overlap. IEEE Transactions on Vehicular Technology, 57(4) 2395-2403.
- Cannon, P.S., Weitzen, J.A., Ostergaard, J., Rasmussen, J.E. (1996). Relative impact of meteor scatter and other long-distance high-latitude propagation modes on VHF communication systems. Radio Science, 31(5) 1129-1140.
- Mawrey, R.S., Weitzen, J.A. (1995). Measured performance of meteor burst systems using antenna beam steering. IEEE Transactions on Communications, 43(2 -4 pt 3) 1467-1476.
- Ralston, W.T., Weitzen, J.A. (1995). Spread spectrum multiple access for mobile meteor burst communications. IEEE Transactions on Vehicular Technology, 44(2) 280-290.
- Sheridan, P.F., Weitzen, J.A. (1989). Evaluation of network planning and design for corporate internetworks. IEEE Network, 3(6) 11-14.
- Weitzen, J.A., Sowa, M.J., Scofidio, R.A., Quinn, J. (1987). CHARACTERIZING THE MULTIPATH AND DOPPLER SPREADS OF THE HIGH-LATITUDE METEOR BURST COMMUNICATION CHANNEL. IEEE Transactions on Communications, COM-35(10) 1050-1058.
- Weitzen, J.A. (1987). COMMUNICATING VIA METEOR BURST AT SHORT RANGES. IEEE Transactions on Communications, COM-35(11) 1217-1221.
- Weitzen, J.A. (1987). DATA BASE APPROACH TO ANALYSIS OF METEOR BURST DATA. Radio Science, 22(1) 133-140.
- Weitzen, J.A. (1986). PREDICTING THE ARRIVAL OF METEORS USEFUL FOR METEOR BURST COMMUNICATION. Radio Science, 21(6) 1009-1020.
- Weitzen, J.A., Birkemeier, W.P., Grossi, M.D. (1984). ESTIMATE OF THE CAPACITY OF THE METEOR BURST CHANNEL. IEEE Transactions on Communications, COM-32(8) 972-974.
- Weitzen, J.A., Grossi, M.D., Birkemeier, W.P. (1984). HIGH-RESOLUTION MULTIPATH MEASUREMENTS OF THE METEOR SCATTER CHANNEL. Radio Science, 19(1) 375-381.
- Weitzen, J.A., Fontaine, A.B., Birkemeier, W.P. (1981). SKEW ESTIMATOR METHOD FOR ALIGNMENT OF TROPOSCATTER ANTENNAS AND SYNCHRONIZATION OF MASTER CLOCKS. IEEE Transactions on Instrumentation and Measurement, IM-31(1) 56-60.
Selected Presentations
- Constraints of operating femtocells co-channel with macro networks - IEEE COMCAS 2011 Conference, November 2011 - Tel Aviv Israel
- Traffic differentiation for BE users in CDMA 1xEVDO networks - Multi-media tools and networks, Springer Verlag, July 2010
- Measuring Coverage Quality for Femtocell and Macrocell Broadband Data Services - IEEE COMCAS 2009 Conference, November 2009 - Tel Aviv, Israel
- Advantages of Femtocells for Mobile Broadband Data Services - Advantages of Femtocells for Mobile Broadband Data Services, July 2009 - London United Kingdon
- Analysis of Inter-User Best Effort Class Users in CDMA 1xEVDO Network - 2009 NetEval, April 2009 - Boston, MA
- Automated Coverage Optimization in Wireless Networks - VTC Fall 2006, 2006
- Multicarrier CDMA with cross-system interference cancellation - Wireless Communications and Networking Conference, 2004
- On the use of unlicensed frequency spectrum, use rule evolution, and interference mitigation - Wireless Communication Association Conference, 2001 - San Jose
- Spatial and Angular correlation properties of Log-Normal shadowing and applications to design of CDMA systems - IEEE Vehicular Technology Conference, 2000 - Boston, MA
- Performance of Dual slant polarization relative to vertical polarization with horizontal space diversity in operational CDMA Personal Communication Networks - 1998 Personal Indoor mobile Radio Conference, September 1998 - Boston, MA
- Simulation of a Vessel Tracking System using the DSC protocol - Mass Tech Conf on Research in Mass, March 1996 - Lowell, MA
- Performance Comparison of Polarization Diversity and Horizontal Space Diversity in an Operational AMPS Cellular Base Station Receiver - Mass Telecom, Research in Mass Conference, March 1996
- Analysis of a Vessel Traffic System using the DSC Protocol - Research in Mass Conference, March 1996
- The Relative Importance of Meteor Burst and Other Long Distance Polar Cap Propagation Modes in the Low VHF Band - AGARD Advisory Group 244, 1993 - Trieste, Italy
- The relative importance of meteor burst and other long distance polar cap propagation modes in the low VHF band - AGARD, Electromagnetic Wage propagation Panel Symposium, October 1993 - Rotterdam The Netherlands
- Direct sequence CDMA for Large Meteor Burst Networks - IEEE MILCOM, October 1993 - Boston, MA
- Meteor Burst System Design Using an Advanced Computer Based Prediction Model - IEEE MILCOM-93, October 1993 - Boston, MA
- Design of a meteor scatter communication network for vehicle tracking - IEEE Vehicle Technology Symposium, May 1993 - Secaucus NJ
- "The use of meteor scatter and extended Range VHF for vehicle tracking and communication" - IVHS America 1993 Annual Meeting., April 1993 - Washington, D.C.
- Conversational voice communication over a high performance meteor burst channel - IEEE Milcom-92, October 1992 - San Diego, CA.
- Use of Antenna Beam Steering to Improve the Performance of Meteor Burst Communication Systems - IEEE Milcom-92, October 1992 - San Diego, CA.
- "Network Waiting time for meteor-burst communication" - MILCOM, October 1992 - San Diego, CA.
- Real time simulation of atmospheric noise for use in characterizing Loran-C receivers - Wild Goose Association, International Symposium., August 1992 - Birmingham U.K.
- Design of a Meteor Scatter Communication Network for Vehicle Tracking - IEEE Vehicle Technology Conference, May 1992 - Denver CO
- Probability of message contention in a very large meteor scatter communication network, Accepted - Vehicular Technology Conference, Denver Colorado, May 1992 - Denver Colorado
- Feasibility of large meteor scatter networks for vehicle tracking, 1992 Wireless Information Laboratory Conference - Wireless Information Laboratory Conference, Rutgers University, April 1992 - Rutgers University
- Performance of Large Meteor Scatter Networks using Code Division Multiple Access (CDMA) - (CDMA), 1991 MILCOM, 1991 - Washington DC.
- Improving the resistance of meteor scatter communication to interception - 1991 MILCOM, 1991 - Washington, DC.
- Seasonal Variations in Meteoric And Non-meteoric Duty Cycle in the Polar Cap and Auroral Regions, IEE International HF Conference, Edinborough, Scotland, 1991,July 1991 - IEE International HF Conference, July 1991 - Edinborough, Scotland
- New Results on Effect of Polar Cap Absorption on High Latitude Meteor Scatter Communication, U.S. Navy High Special Meeting on High Latitude Propagation - U.S. Navy High Special Meeting on High Latitude Propagation, February 1991 - Monterey Ca
- Meteor Scatter Network/Channel Simulator - 1990 MILCOM Military Communication Conference, September 1990
- DPSK Signaling Rates That Maximize the Performance of 60 GHz Crosslinks in a Doubly Dispersive Channel - 1990 Military Communication Conference, September 1990
- Effect of Polar Cap Absorption on High Latitude Meteor Scatter Communication, Proceedings, 1990 Ionospheric Effects Symposium, Washington DC, May 1-3, - 1990 Ionospheric Effects Symposium, May 1990 - Washington DC
- Distributions of meteor trail amplitudes and its application to meteor scatter communication system design - International Phoenix Conference on Computers and Communication, March 1990 - Phoenix, AZ
- Effects of polarization Coupling Loss Mechanism on Design of Meteor Scatter Antennas for Short and Long Range Communication - Radio Science, August 1989
- Performance predictions for several meteor scatter antenna configurations - International Communication Conference, June 1989 - Boston, MA
- Effects of auroral multipath interference on meteor communication, 1989 Communication Theory Workshop - 1989 Communication Theory Workshop, April 1989 - Hawks Cay Florida
- A study of the ground interceptability of meteor scatter communication - MILCOM Communication Conference, October 1988
- Optimum bit rate predictions for meteor communication - MILCOM Communication Conference, October 1988 - San Diego, CA.
- Some observations on the distribution of Meteor Trail Amplitudes and Duration's and Ramifications on the Design of Meteor Scatter Communication Protocols - MILCOM Communication Conference, October 1988 - San Diego, Ca
- Some Observations on the Performance of Meteor Scatter communication at short ranges - NATO STC Symposium on Meteor Scatter Communication, November 1987 - The Hague Netherlands.
- The Effect of Auroral Clutter on Meteor Communication - TTCP/STC-8 Workshop on Meteor Communication, June 1987 - Farnborough, UK
- The Range Dependence of Meteor Burst Communication - MILCOM Communication Conference, October 1986
- Predicting the Occurrence of Meteors in Meteor Burst Communication - IEEE MILCOM Conference, October 1985
- High Speed Meteor Burst Communications for Military Applications - DCEC Symposium on Meteor Burst Communications, October 1983 - Reston, Va.
- A New Method for Alignment of Troposcatter Antennas and Synchronization of Master Clocks - IEEE MTIC Conference, September 1982 - Ottawa, Canada
Selected Intellectual Property
- - Parl, S.A., Bussgang, J.B., Weitzen, J.A., Zagami, J.A."A novel technique for position location using angle or arrival and time difference of arrival," US Patent 5,883,598 United States
Selected Contracts, Fellowships, Grants and Sponsored Research
- Managing Large Femtcoell networks (2012), - Airvana, Chelmsford Ma
Weitzen, J. (Principal), Weitzen, J. (Principal)
- Airvana Test Plans for Femtocell and System (2010), -
Weitzen, J.A. (Principal)
- Tools for Testing and Analysis of 1xEV-DO Performance Data (2003), - Airvana, Chelmsford Ma
Weitzen, J. (Principal), Weitzen, J. (Principal)
- TDOA Position Location System For Locating GSM Phones (Phase 1 SBIR (2002), - USMC through Signatron Technology Corporation
Weitzen, J. (Principal), Weitzen, J. (Principal)
- Personal Locator System for Alzheimer's patients Phase II (STTR) (1998), - National Institute on Aging, Signatron Technology Corporation
Weitzen, J. (Co-Principal), Melillo, K., Futrell, M.
- Support of Panama Canal Communication and Tracking System (1998), - US Department of Transportation, Volpe Center Cambridge
Weitzen, J., Weitzen, J. (Principal)
- Personal Locator System for Alzheimer's patients Phase I (STTR) (1994), - National Institute on Aging, Signatron Technology Corporation
Weitzen, J. (Principal), Weitzen, J. (Principal)
- HF Groundwave Identification (1994), - US. Navy (Navy Undersea Systems Center (from Signatron, Inc.)
Weitzen, J. (Co-Principal), Weitzen, J. (Principal), Sales, G. (Principal)
- Hybrid GPS/Loran-C navigation availability (1994), - Department of Transportation, VNTSC
Weitzen, J. (Principal), Weitzen, J. (Principal)
- LF atmospheric noise model (1992), - Department of Transportation, VNTSC
Weitzen, J. (Principal), Weitzen, J. (Principal)
- High Latitude Radio Propagation Program Phase III (1991), - Air Force Geophysics Laboratory
Weitzen, J. (Co-Principal), Ostergaard, J. (Principal), Weitzen, J. (Principal), Reinisch, B. (Principal), Sales, G. (Principal)
- Meteor Scatter Communication Research (1991), - Meteor Communication Corporation
Weitzen, J. (Principal), Weitzen, J. (Principal)
- VHF beyond line of sight modeling (1991), - Boeing Aerospace
Weitzen, J. (Principal), Weitzen, J. (Principal)
- High Latitude Radio Propagation Program Phase II (1988), - Air Force Geophysics Laboratory
Weitzen, J. (Co-Principal), Weitzen, J. (Principal), Reinisch, B. (Principal), Sales, G. (Principal)
- Ground Illumination and Space Diversity Model (1990), - GE Aerospace
Weitzen, J. (Principal), Weitzen, J. (Principal)
- SICBM Communication Performance Prediction (1990), - GE Aerospace
Weitzen, J. (Principal), Weitzen, J. (Principal)
- Space Diversity in Meteor Scatter Networks (1989), - Signatron, Inc.
Weitzen, J. (Principal), Weitzen, J. (Principal)
- Short Range Meteor Scatter Communication Study (1988), - USAF Rome Air Development Center, Subcontract from Signatron.
Weitzen, J. (Principal), Weitzen, J. (Principal)
- High Latitude Meteor scatter Modeling (1988), - US. Navy Ocean Systems Center
Weitzen, J. (Principal), Weitzen, J. (Principal)
- High Latitude Meteor Scatter Research (1987), - Air Force Geophysics Laboratory/Northwest Research
Weitzen, J., Reinisch, B. (Principal), Weitzen, J. (Principal)