Ratnam V. Raja Kumar

Affiliations:
  • Indian Institute of Technology Kharagpur, Department of Electronics and Electrical Communications, India


According to our database1, Ratnam V. Raja Kumar authored at least 51 papers between 1984 and 2023.

Collaborative distances:
  • Dijkstra number2 of five.
  • Erdős number3 of four.

Timeline

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Bibliography

2023
A MIMO moving target detection radar with optimal transmit and receive weightage.
Signal Process., July, 2023

2021
A Distributed MIMO Radar With Joint Optimal Transmit and Receive Signal Combining.
IEEE Trans. Aerosp. Electron. Syst., 2021

2015
Performance Analysis of the IEEE 802.16 Uplink for Best-Effort Traffic.
Wirel. Pers. Commun., 2015

A Method for Accessing Spatial Spectrum Holes for Relay Based Cognitive Cellular Networks.
IEEE Wirel. Commun. Lett., 2015

Performance analysis of flexible reuse in cellular networks.
IET Commun., 2015

2014
Bandwidth Partitioning and SINR Threshold Analysis of Fractional Frequency Reuse in OFDMA Cellular Networks for Real Time and Best Effort Traffic.
Wirel. Pers. Commun., 2014

2013
Data Aided Iterative Channel Estimation in OFDM Systems Using a Controlled Superimposition of Training Sequences.
Wirel. Pers. Commun., 2013

2012
Measurement of power consumption in multimedia mobiles for various network activities in 2G/3G networks.
Proceedings of the IEEE International Conference on Advanced Networks and Telecommuncations Systems, 2012

2011
An Efficient Maximum Likelihood Carrier Frequency Offset Estimator for OFDM Using Null Subcarriers and Cyclic Prefix.
Wirel. Pers. Commun., 2011

Improved superimposed training-based channel estimation method for closed-loop multiple input multiple output orthogonal frequency division multiplexing systems.
IET Commun., 2011

Some interesting results on compatible BER analysis issues related to multi-band timing and frequency synchronizers applicable for MB-OFDM based UWB communications.
Digit. Signal Process., 2011

A Wideband RF Frontend Architecture for Software Defined Radio.
Circuits Syst. Signal Process., 2011

Energy Efficient Timing Synchronizer for MB-OFDM UWB.
Proceedings of the 73rd IEEE Vehicular Technology Conference, 2011

Combined BER Analysis for Time-Frequency Synchronization Schemes for MB-OFDM UWB.
Proceedings of the 73rd IEEE Vehicular Technology Conference, 2011

2010
Frequency Offset Estimation by Multi-Band Averaging Method: A New Approach for MB-OFDM Based Ultra-Wideband Communication System.
Wirel. Pers. Commun., 2010

An Adaptive Timing Synchronization Scheme for Multi-Band Orthogonal Frequency Division Multiplexing Based Ultra-Wideband Communication Systems.
Wirel. Pers. Commun., 2010

Optimal Superimposed Training Sequences for Channel Estimation in MIMO-OFDM Systems.
EURASIP J. Adv. Signal Process., 2010

Channel Estimation in OFDM Systems Using a Controlled Superimposition of Training Sequences.
Circuits Syst. Signal Process., 2010

A High Level Performance Estimation: Modeling the Effects of Parameters on Performance Properties for a Tool Assisted SDR Development.
Proceedings of IEEE International Conference on Communications, 2010

2009
A minimum entropy based switched adaptive predictor for lossless compression of images.
Signal Image Video Process., 2009

An efficient technique for the integer frequency offset estimation in OFDM systems.
Signal Process., 2009

A personalised information support system for searching portals and e-resources.
Program, 2009

A Technique for Frequency Synchronization in Multi-Band OFDM in Realistic UWB Channel.
Circuits Syst. Signal Process., 2009

2008
An Efficient Frequency Offset Estimation Scheme for Multi-Band OFDM Ultra-Wideband Systems.
Proceedings of the 67th IEEE Vehicular Technology Conference, 2008

A Low Complexity Null Subcarrier Aided Frequency Offset Estimation Technique for OFDM.
Proceedings of the 67th IEEE Vehicular Technology Conference, 2008

An Iterative Channel Estimation Method using Superimposed Training in OFDM Systems.
Proceedings of the 68th IEEE Vehicular Technology Conference, 2008

Mathematical analysis of signal propagation in ultra-wideband transceiver system with frequency offset correction.
Proceedings of the IEEE 19th International Symposium on Personal, 2008

An optimal superimposed training sequence for channel estimation in OFDM systems.
Proceedings of the IEEE 19th International Symposium on Personal, 2008

An efficient maximum likelihood carrier frequency offset estimation technique for OFDM systems.
Proceedings of the 13th IEEE Symposium on Computers and Communications (ISCC 2008), 2008

A Switched Predictive Coding Method for Lossless Video Coding.
Proceedings of the Sixth Indian Conference on Computer Vision, Graphics & Image Processing, 2008

Least squares based optimal switched predictors for lossless compression of images.
Proceedings of the 2008 IEEE International Conference on Multimedia and Expo, 2008

An Efficient Maximum Likelihood CFO Estimation Technique for OFDMA Uplink Transmissions.
Proceedings of the IEEE Reglon 10 Colloquium and Third International Conference on Industrial and Information Systems, 2008

A Multi-Band Timing Estimation and Compensation Scheme for Ultra-Wideband Communications.
Proceedings of the Global Communications Conference, 2008. GLOBECOM 2008, New Orleans, LA, USA, 30 November, 2008

An Efficient Near Blind Carrier Frequency Offset Estimation Scheme for MIMO-OFDM Systems.
Proceedings of the Global Communications Conference, 2008. GLOBECOM 2008, New Orleans, LA, USA, 30 November, 2008

Symbol timing synchronization for ultra-wideband (UWB) multi-band OFDM (MB-OFDM) systems.
Proceedings of the Third International Conference on COMmunication System softWAre and MiddlewaRE (COMSWARE 2008), 2008

Multiple Access Using MSE-OFDM.
Proceedings of the 5th IEEE Consumer Communications and Networking Conference, 2008

2007
Least-Squares Based Switched Adaptive Predictors for Lossless Video Coding.
Proceedings of the International Conference on Image Processing, 2007

2006
Performance analysis of a novel matched filter detector with reduced out-of-band response for narrowband signals.
IEEE Trans. Signal Process., 2006

Optimized VLIW Architecture for Non-zero IF QAM-Modem Implementations.
Proceedings of the 19th International Conference on VLSI Design (VLSI Design 2006), 2006

2005
Performance analysis of the UMTS system for Web traffic over dedicated channels.
Proceedings of the ITRE 2005, 2005

Optimal slope bin classification in gradient adjusted predictor for lossless compression of medical images.
Proceedings of the 2005 International Conference on Image Processing, 2005

A switched adaptive predictor for lossless compression of high resolution images.
Proceedings of IEEE International Conference on Communications, 2005

2003
Recursive estimation of wavelet based time varying AR models of speech.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

Estimation of time-varying AR models of speech through Gauss-Markov modeling.
Proceedings of the 2003 IEEE International Conference on Acoustics, 2003

2000
A near-optimum detector with reduced out-of band response for narrowband signals.
IEEE Trans. Signal Process., 2000

1999
An end-connected dual bus topology for metropolitan area networks.
Comput. Networks, 1999

1997
Mean convergence behavioural analysis of IIR adaptive filters.
Signal Process., 1997

1990
Tracking of bandpass signals using center-frequency adaptive filters.
IEEE Trans. Acoust. Speech Signal Process., 1990

1986
Recursive center-frequency adaptive filters for the enhancement of bandpass signals.
IEEE Trans. Acoust. Speech Signal Process., 1986

1985
A gradient algorithm for center-frequency adaptive recursive bandpass filters.
Proc. IEEE, 1985

1984
Separation of sinusoids using the constrained adaptive line enhancer.
Proceedings of the IEEE International Conference on Acoustics, 1984


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