RAJENDRA KUMAR

PUBLICATIONS

 

I. REFERRED JOURNAL PAPERS

 

  • 1. R. Kumar and P. Munjal, "GPS / WAAS Enhancement with Novel Estimators Involving Parallel Kalman Filters," Navigation, The Journal of the Institute of Navigation , submitted for publication.

 

  • 2. R. Kumar and K. Lau, "Deconvolution Approach to Carrier and Code Multipath Error Elimination in High Precision GPS," Navigation, The Journal of the Institute of Navigation , accepted for publication.

 

  • 3. R. Kumar, "Quantized-State Adaptive Algorithms for Multibeam Antenna Signal Processing," submitted to IEEE Transactions for publication (manuscript has about 30 pages).

 

  • 4. T.M. Nguyen, R. Kumar and H.G. Yeh, "Performance Evaluation of BPSK Receiver in the Presence of Intersymbol Interference and Slowly Fading Channels", IEEE Transactions on Communications (submitted for publication).

 

  • 5. R Kumar, "Novel Multi-Receiver System Configurations Based on Optimal Estimation Theory," IEEE Transactions on Communications, Vol. 40, November 1992, pp. 1767-1780.

 

  • 6. R. Kumar and I. Hattar, "Improved Performance Phase Locked Loops," under preparation for submission to IEEE Transactions.

 

  • 7. R. Kumar, "Novel Adaptive Least Squares Algorithms for Multi- Element Array Signal Reconstruction," International Journal of Adaptive Control and Signal Processing, Vol. 6, December 1992, pp. 561-588.

 

  • 8. R. Kumar, "A Novel Multistage Estimation of Signal Parameters," IEEE Transactions on Aerospace and Electronic Systems, Vol. 26, No. 1, January 1990, pp. 181-194.

 

  • 9. R. Kumar, "Fast Frequency Acquisition via Adaptive Least Squares Algorithm," IEEE Proceedings, Vol. 136, Pt.F, No. 4, August 1989, pp. 150-160.

 

  • 10. V.A. Vilnrotter, S. Hinedi and R. Kumar, "A Comparison of Frequency Estimation Techniques for High Dynamic Trajectories," IEEE Transactions on Aerospace and Electronic Systems, Vol. 25, No. 4, July 1989, pp. 559-77.

 

  • 11. R. Kumar and W.J. Hurd, "Fixed-Lag Smoothers for Carrier Phase and Frequency Tracking," International Journal of Modeling and Simulation, vol. 10, No. 2, March 1990, pp. 43-51.

 

  • 12. R. Kumar, "Application of Adaptive Least Squares Algorithm to Multi-Element Array Signal Reconstruction," TDA Progress Report 42-99, November 1989, pp. 141-160, Jet Propulsion Laboratory, California Institute of Technology.

 

  • 13. R Kumar, "Efficient Detection and Signal Parameter Estimation with Applications to High Dynamic GPS Receivers," IEICE Transactions, Vol. E47, N0.9, September 1991, pp. 2612- 2624.

 

  • 14. R. Kumar and W.J. Hurd, "A Class of Optimum Digital Phase Locked Loops for the Deep Space Receivers," TDA Progress Report 42-83, July-September 1985, pp. 63-80, Jet Propulsion Laboratory, California Institute of Technology.

 

  • 15. R. Kumar, "A Fast Algorithm for Solving Toeplitz System of Equations,” IEEE Transactions on Acoustics, Speech and Signal Processing, Vol. 33, No. 1, February 1985, pp. 254- 267.

 

  • 16. R. Kumar and J. B. Moore, "On Adaptive Minimum Variance Regu­lation for NonMinimum-Phase Plants,” Automatica, Vol. 19. No. 4., July 1983, pp. 449-451.

 

  • 17. R. Kumar, "Simultaneous Adaptive Control and Identification Via Weighted Least Squares Algorithm," IEEE Transactions on Automatic Control, Vol. 29, March 1984, pp. 259-263.

 

  • 18. H. J. Kushner and R. Kumar, "Convergence and Rate of Conver­gence of a Recursive Identification and Adaptive Control Method Which Uses Truncated Estimators," IEEE Transactions on Automatic Control, Vol. 27, August 1982, pp. 775-782.

 

  • 19. R. Kumar and J. B. Moore, "Convergence of Adaptive Minimum Variance Algorithms Via Weighting Coefficient Section," IEEE Transactions on Automatic Control, Vol. 27, February 1982, pp. 146-153.

 

  • 20. R. Kumar and J. B. Moore, "Adaptive Equalization Via Fast Quantized State Methods," IEEE Transactions on Communications, Vol. 29, October 1981, pp. 1492-1501.

 

  • 21. R. Kumar and P. R. K. Rao, "Series Expressions for the Per­formance of Binary Detection Receivers," IEEE Transactions on Communications, Vol. 26, June 1978, pp. 794-806.

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  • 22. R. Kumar and J. B. Moore, "Detection Techniques in Least Squares Identification," Automatica, Vol. 17, November 1981, pp. 805-819.

 

  • 23. R. Kumar and J. B. Moore, "State Inverse and Decorrelated State Stochastic Approximation, “Automatica, Vol. 16, May 1980, pp. 259-311.

 

  • 24. R. Kumar, "Fast Frequency Acquisition via Adaptive Least Squares Algorithm," TDA Progress Report 42-85, January-March 1986, pp. 53-61, Jet Propulsion Laboratory, California Institute of Technology.

 

  • 25. S. Aguire, W.J. Hurd, R. Kumar and J. Statman, "A Comparison of Methods for DPLL Loop Filter Design," TDA Progress Report 42-87, pp. 114-124, Jet Propulsion Laboratory, California Institute of Technology, Pasadena , California .

 

  • 26. R. Kumar and R. Kupsh, "CDMA Cellular System Capacity under Non-Uniform User Distribution", under preparation for submission to IEEE Transactions.

 

 

 

  • REFERRED CONFERENCE PAPERS

 

  • R. Kumar, “Scattering Functions for Fading Channels Characterized by Ionospheric Scintillation and Terrestrial Multipath,” 2005 IEEE Aero Conference, Big Sky, Montana , March 5-12, 2005 .

 

  • R. Kumar, D. Taggart, and C. Chen, “Probability of Error Analysis of Analog-to-Digital Converters with Multiple 8-PSK Modulated Input Signals,” 2005 IEEE Aero Conference, Big Sky, Montana, March 5-12, 2005.

 

  • R. Kumar, D. Taggart, R. Monzingo and G. Goo, “Wideband Gapfiller Communication Satellite System,” 2005 IEEE Aero Conference, Big Sky, Montana, March 5-12, 2005.

 

  • R. Kumar, “ Analysis of FM Demodulator Output Noise With Applications to FM Telemetry,” International Telemetry Conference, San Diego , California , October 18-21, 2004 .

 

  • R. Kumar and M. Ahmad, “Comparison of Multipath Error Elimination Techniques under Relatively Severe Multipath Environments,” Institute of Navigation of Navigation 2004 GNSS Conference, Long Beach, California, September 21-24, 2004.

 

  • R. Kumar, “ Mathematical Modeling of the CDMA Channel under Power Control,” IEEE Vehicular Technology Conference 2004-Fall, Los Angeles, California, September 26- 29, 2004.

 

  • R. Kumar, D. Taggart, C. Chen, G. Goo and Y. Krikorian, “Modeling, Simulation, and Analysis of Analog-to- Digital Converters for Wireless Communication,” IEEE Vehicular Technology Conference 2004-Fall, Los Angeles, California, September 26- 29, 2004.

 

  • R. Kumar, D. Taggart, C. Chen and N. Wagner, ”Simulation and Modeling of Amplifier Nonlinearities with 16-QAM Modulated Waveforms in Wireless Communication Systems,” IEEE Vehicular Technology Conference 2004-Fall, Los Angeles , California , September 26- 29, 2004.

 

  • D. Taggart, R. Kumar, S. Raghavan, N. Wagner, G. Goo, J. Chen, and Y. Krikorian, “ Simulation and Modeling of Amplifier Nonlinearities for Multicarrier Wireless Communication Systems,” IEEE Vehicular Technology Conference 2004-Fall, Los Angeles, California, September 26- 29, 2004.

 

  • R. Kumar and R. Martinez,” CDMA Satellite System Capacity with Multiple User Classes,” 2004 AIAA International Communication Satellites Systems Conference, Monterey , California , May 9-12, 2004 .

 

  • R. Kumar, D. Taggart and G. Goo,” Performance of the MPSK and QAM Modulation Schemes in the Presence of Narrowband Interference,” 2004 AIAA International Communication Satellites Systems Conference, Monterey , California , May 9-12, 2004 .

 

  • R. Kumar, “Phase Noise Analysis in the Presence of Spurious Signals,” 2004 AIAA International Communication Satellites Systems Conference, Monterey , California , May 9-12, 2004 .

 

  • R. Kumar and D. Taggart, ”Analog–to-Digital Converters Load Factor Analysis for Wideband Communication Satellite Systems,” 2004 AIAA International Communication Satellites Systems Conference, Monterey , California , May 9-12, 2004 .

 

  • R. Kumar, “Performance of an Incoherent Receiver for the Command Destruct Signals of the Space Lift Range System,” 2004 AIAA International Communication Satellites Systems Conference, Monterey , California , May 9-12, 2004 .

 

  • R. Kumar, D. Taggart and G. Goo,” Performance Analysis of Analog-to-Digital Converters for Wideband Digitally Modulated Signals,” 2004 IEEE Aero Conference, Big Sky, Montana , March 6-13, 2004 .

 

  • D. Taggart, R. Kumar, L. Cooper, N. Wagner, G. Goo,” Affects of Tone Interference on the Performance of QPSK and 8-PSK Modulated Signals in Satellite Communication,” 2004 IEEE Aero Conference, Big Sky, Montana, March 6-13, 2004.

 

  • J. C. Chen, L. Cooper, T. Nguyen, J. Yoh, G. Leon, N. S. Wagner, R. Kumar, D. Taggart, and G. W. Goo,” Performance of MPSK and 16QAM in the Satellite Communication Environment,” 2004 IEEE Aero Conference, Big Sky, Montana, March 6-13, 2004.

 

  • D. Taggart, R. Kumar, N. Wagner, Y. Krikorian, C. Wang, N. Elyashar, M. Cutler, C. Stevens, “ PCM/FM Performance Enhancement Using Reed Solomon Channel Coding,” 2004 IEEE Aero Conference, Big Sky, Montana, March 6-13, 2004.

 

  • R. Kumar, “A Novel Approach to the Analysis of Non-Uniform Analog-to-Digital Converters for Wideband Communication Systems,: AIAA – 21 st International Communication Satellite Systems Conference, April 16-19, Tokyo , Japan .

 

  • R. Kumar and D. Taggart, “Analysis and Simulation Results on the Non-Uniform Analog-to-Digital Converters Performance for Wideband Communication Systems,: AIAA – 21 st International Communication Satellite Systems Conference, April 16-19, Tokyo , Japan .

 

  • R. Kumar, D. Taggart and C. Wang, “Performance Analysis of a Command Destruct Subsystem of the Spacelift Range system,” Proceedings of the 2003 IEEE International Conference on Aerospace and electronic systems, March 8-15, 2003 , Montana .

 

  • Y. Krikorian, D. Taggart, C. Wang, J. Chen, S. Do, R. Kumar, et. al.,” Dynamic Link Analysis Tool for a Telemetry Downlink System,” 2003 IEEE Aero Conference, Big Sky, Montana , March 8-15, 2004 .

 

  • R. Kumar and D. Taggart, “QPSK Performance in the Presence of Phase Spurious Signals,” Proceedings of the 2002 IEEE International Conference on Military Communication,” October 10-12, Anaheim , California .

 

  • R. Kumar and T. Nguyen, “Simulation Results on the Performance of Digital Polyphase Channelizer,” Proceedings of the 20 th AIAA International Communication Satellite Systems Conference, May 12-15, Montreal , Canada .

 

  • R. Kumar, D. Taggart and G. Goo, “Performance of A/D Converters in Broadband Communication Satellites,” Proceedings of the 20 th AIAA International Communication Satellite Systems Conference, May 12-15, Montreal , Canada .

 

  • R. Kumar, et. al., “Signal Processing Techniques for Wideband Communications Systems,” Proceedings of the 1999 IEEE Military Communications Conference, October 31- November 3, Atlanta City , New Jersey .

 

  • A. Qureshi and R. Kumar, “ System Optimization with Active Power Control During High Traffic in Cellular CDMA,”

 

  • R. Kumar, et. al., “ The CDMA Limits of C/A Codes in GPS Applications – Analysis and Laboratory Test Results,” Proceedings of the Institute of Navigation Conference on GPS, September 1999, Nashville , Tennessee .

 

  • R. Kumar, et. al., “ Analysis of Code Cross Correlation Noise in GPS Receivers Operating in Augmented GPS Systems,” Proceedings of the Institute of Navigation 1999 National Technical Meeting, January 25-27, 1999, San Diego, California, pp. 295-304.

 

  • R. Kumar,” Impact of Ionospheric Scintillation on the GPS/WAAS System and its Mitigation Techniques,” Proceedings of the Institute of Navigation 1999 National Technical Meeting, January 25-27, 1999, San Diego, California, pp. 809-823.

 

  • R. Kumar, et. al. “Cochannel Interference Analysis, a Valuable Tool for GPS Sharing Studies,” Proceedings of the Institute of Navigation Conference on GPS, September 1998, Nashville, Tennessee, pp. 819-825.

 

  • R. Kumar and P. Munjal, “Simulation Studies for Ionospheric Scintillation,” Proceedings of the Institute of Navigation 54th Annual Meeting, June 1998, Denver, Colorado, pp. 303-315.

 

  • R. Kumar, “Adaptive Algorithms for Antenna Array Signal Processing,” Proceedings of the 31st Annual Conference on Information Sciences and Systems, March 19-21, John Hopkins University Baltimore, MD, pp. 379-386.

 

  • R. Kumar and P. Munjal, “GUS code-Carrier Control Algorithm,” Proceedings of the Institute of Navigation, National Technical Meeting January 14-16, 1997, Santa Monica, California, pp. 683-693.

 

  • R. Kumar and P. Munjal, “Ionospheric Modeling for WAAS,” Proceedings of the Institute of Navigation 53 rd Annual Meeting, June 30-July2, 1997, Albuquerque, N.M., pp. 431-439.

 

  • R. Kumar, P. Munjal and S. Hwang , “GPS Application Enhancement with Block II Civilian Dual Frequency,” Institute of Navigation 52 nd Annual Technical Meeting, Cambridge , Massachusetts , June19-21, 1996, pp. 37-48 (Plenary Session)

 

  • R. Kumar and P. Munjal, “A Novel Real Time and High-Precision Ionospheric Estimation Algorithm, “Proceedings of the 3rd St. Petersburg International Conference on Integrated Navigation Systems, St. Petersburg, Russia, May 22-27, 1996.

 

  • K. O’leary and R. Kumar, “Design of a CDMA Cellular System for Automated Monitoring of Power Meters in the City of Long Beach,” under preparation for publication.

 

  • R. Kumar and P. Munjal, "GPS / WAAS Enhancement with Novel Estimators Involving Parallel Kalman Filters," Proceedings of the Institute of Navigation National Technical Meeting, Santa Monica , January 1996, pp. 917-931.

 

  • R. Kumar and K. Lau, "Deconvolution Approach to Carrier and Code Multipath Error Elimination in High Precision GPS," Proceedings of the Institute of Navigation National Technical Meeting, Santa Monica , January 1996. pp. 729-737.

 

  • R. Kumar, P. Munjal, K.T. Woo and H. Yeh, "WAAS Avionics Receiver Design Characteristics," Proceedings of the Institute of Navigation National Technical Meeting, Santa Monica, January 1996, pp. 639-654.

 

  • T. N. Nguyen, R. Kumar and H.G. Yeh, "Performance Evaluation of BPSK Receiver in the Presence of Intersymbol Interference and Slowly Fading Channels", IEEE International Conference on Communication Systems, November 1994, pp. 658-662.

 

  • R. Kumar, "Novel Multi-Receiver Communication Systems Configurations Based on Optimal Estimation Theory", Proceedings of the Third International Conference on Advances in Communication and Control Systems, Victoria , Canada , October 1991, pp. 217-228.

 

  • R. Kumar, "Novel Adaptive Least Squares Algorithms for Multi- Element Array Signal Reconstruction", Proceedings of the Third International Conference on Advances in Communication and Control Systems, Victoria, Canada, October 1991, pp. 239-249.

 

  • R. Kumar, "Efficient Detection and Signal Parameter Estimation with Application to High Dynamic GPS Receivers", Proceedings of IEEE International Conference on Communications, Atlanta , Geor­gia , April 1990, pp. 358-364.

 

  • R. Kumar, "A Novel Multistage Estimation of Signal Parame­ters," Proceedings of IEEE International Conference on Acoustics, Speech and Signal Processing, Phoenix , Arizona , April 1990.

 

  • R. Kumar, "Application of Multistage Signal Parameter Estima­tor to High Dynamic GPS Receivers," IEEE 1990 Position Location and Navigation Symposium, Las Vegas , Nevada , March 1990, pp. 166-175.

 

  • R. Kumar, "Differential Sampling for Fast Frequency Acquisition Via Adaptive Least Squares Algorithm," Proceedings of the International Telemetering Conference, San Diego , October 1987, pp. 191-201.

 

  • R. Kumar and W.J. Hurd, "A Class of Optimum Digital Phase Locked Loops," Proceedings of the 25th IEEE Conference on Decision and Control, Athens , Greece , October 1986.

 

  • R. Kumar, "Fast Frequency Acquisition Via Adaptive Least Squares Algorithm," Proceedings of the International Telemetering Conference, Las Vegas, Nevada, October 1986, pp. 91-101.

 

  • R. Kumar and W.J. Hurd, "Fixed Lag Smoothers for Carrier Phase and Frequency Tracking," Proceedings of the IASTED International Conference on Control Systems, Los Angeles , California , October 1986, pp. 160-166.

 

  • R. Kumar, "Convergence of RML1 Algorithms with Truncations for Adaptive Identification and Control of Stable and Unstable Plants," Proceedings of 1984 American Control Conference, San Diego , California , June 1984, pp. 1246-1251.

 

  • R. Kumar, "Convergence of Decision-Directed Adaptive Equalizer," Proceedings of 22nd IEEE Conference on Decision and Control, San Antonio , Texas , December 1983, pp. 1319-1324.

 

  • R. Kumar, "Convergence of an Adaptive Control Scheme Applied to Non-Minimum-Phase Plants," Proceedings of the 22nd IEEE Conference on Decision and Control, San Antonio, Texas, December 1983, pp. 193-198.

 

  • R. Kumar, "A Fast Algorithm for Solving Toeplitz System of Equations," Proceedings of the 1983 IEEE International Conference on Acoustics, Speech and Signal Processing, Boston , Massachusetts , pp. 166-170.

 

  • R. Kumar, "Convergence of Adaptive Control and Prediction Algorithms With and Without Truncation on Their State Estimates and Controls," Proceedings of the 21st IEEE Conference on Decision and Control, Florida , December 1982, pp. 281- 286.

 

  • R. Kumar, "Almost Sure Convergence of Adaptive Identification Predictions and Control Algorithm," Proceedings of the 20th IEEE Conference on Decision and Control, San Diego, California, December 1981, pp. 1241-46.

 

  • R. Kumar, "Convergence of a Decision-Directed Adaptive Equal­izer," Proceedings of the Optimization Days Conference, Montreal , Canada , May 1981.

 

  • R. Kumar and J. B. Moore, "Minimum Variance Control Harnessed for Non-Minimum-Phase Plants," Proceedings of the 8th IFAC World Congress, Kyoto , Japan , August, 1981, pp. 77-82.

 

  • R. Kumar and J. B. Moore, "Convergence of Weighted Minimum Variance N-Step Ahead Prediction and Control Schemes," Proceedings of the 19th IEEE Conference on Decision and Control, Albuquerque , New Mexico , December 1980, pp. 968-973. ­

 

  • R. Kumar and J. B. Moore, "Towards Bias Elimination in Least Squares Identification Via Detection Techniques," Proceedings of the 5th IFAC Symposium on Identification and Parameter Estimation, Darmstadt , West Germany , September 1979, pp. 314-322.

 

  • R. Kumar, J. B. Moore and R. J. Evans, "An Inverse State Stochastic Recursion," Proceedings of the Optimization Days Conference (IEEE and SIAM), Montreal, Canada, May 1978.

 

  • R. Kumar and J. B. Moore, "Inverse State and Decorrelated State Stochastic Approximation," Proceedings of the 5th IFAC Symposium on Identification and Parameter Estimation, Darmstadt, West Germany, September 1979, pp. 259-266.

 

  • R. Kumar and V. Sinha, "A Communication Satellite System for India ," Proceedings of the National Systems Conference, Roorkee , India , February, 1976.

 

  • R. Kumar and V. Sinha, "A Multiple Access Techniques for Mobile Platforms" Proceedings of the National Systems Conference, Roorkee , India , February, 1976.

 

  • H.P. Jaiswal, R. Kumar, S.C. Gupta and M.S. Bajwa, "Design of a 200 line TDM-PCM Trunk Switch," Proceedings of the National Defense Conference on Digital Communication, Bangalore, India, 1971.  

III. U.S. GOVERNMENT AND INDUSTRIAL RESEARCH REPORTS:

 

  • R. Kumar and S. Raghavan, Analysis of Code Cross-Correlation Noise in GPS Receivers, Prepared for Space and Missile Systems Center, The Aerospace Corporation, September 1998 (about 60 pages).

 

  • R. Kumar, A Novel Multi-receiver Communications Systems Con­figuration Based on Optimal Estimation Theory, JPL Publication 90-9, National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, February 1990 (about 85 pages).

 

  • R. Kumar, Efficient Detection and Signal Parameter Estimation with Applications to High Dynamic GPS Receivers, JPL Publication 88-42, National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, December 1988 (about 35 pages).

 

  • V.A. Vilnrotter, S. Hinedi and R. Kumar, A Comparison of Frequency Estimation Techniques for High Dynamic Trajectories, JPL Publication 88-21, National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, September 1988 (about 65 pages).

 

  • R. Kumar, A Novel Multistage Estimation of the Signal Parameters of a Possibly Data-Modulated Sinusoid Under Very High Dynamics, JPL Publication 89-11, National Aeronautics and Space Administration, Jet Propulsion Laboratory, California ­ Institute of Technology, Pasadena, California, May 1989 (about 45 pages).

 

  • R. Kumar, Optimum Filters and Smoothers Design for carrier Phase and Frequency Tracking, JPL Publication 87-10, National Aeronautics and Space Administration, Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California, May 1987 (about 70 pages).

 

  • R. Kumar, Almost Sure Convergence of Adaptive Identification Prediction and Control Algorithms, LCDS 81-8, Division of Applied Mathematics, Brown University, Providence, Rhode Island, March 1981 (about 35 pages).

 

  • R. Kumar, Convergence of Decision-Directed Adaptive Equalizer, LCDS 81-26, Division of Applied Mathematics, Brown University, Providence, Rhode Island, September 1981 (about 40 pages).

 

  • R. Kumar, B. Prasada and V. Sinha, Multiple Accessing System for Indian National satellite, Tech. Rept., Advanced Center for Electronic Systems, Indian Institute of Technology, Kanpur , India , 1974 (about 300 pages).

 

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