Ratnam V. Raja Kumar - researchr alias

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Viewing Publication 1 - 25 from 25

2021

A Distributed MIMO Radar With Joint Optimal Transmit and Receive Signal CombiningSatya Ganesh Dontamsetti, Ratnam V. Raja Kumar. taes, 57(1):623-635, 2021. [doi]

2013

Data Aided Iterative Channel Estimation in OFDM Systems Using a Controlled Superimposition of Training SequencesJinesh P. Nair, Ratnam V. Raja Kumar. wpc, 68(4):1241-1254, 2013. [doi]

2011

Improved superimposed training-based channel estimation method for closed-loop multiple input multiple output orthogonal frequency division multiplexing systemsJinesh P. Nair, Ratnam V. Raja Kumar. iet-com, 5(2):209-221, 2011. [doi]

An Efficient Maximum Likelihood Carrier Frequency Offset Estimator for OFDM Using Null Subcarriers and Cyclic PrefixS. M. Sameer, Ratnam V. Raja Kumar. wpc, 58(2):259-279, 2011. [doi]

Some interesting results on compatible BER analysis issues related to multi-band timing and frequency synchronizers applicable for MB-OFDM based UWB communicationsDebarati Sen, Saswat Chakrabarti, Ratnam V. Raja Kumar. dsp, 21(2):332-340, 2011. [doi]

Energy Efficient Timing Synchronizer for MB-OFDM UWBDebarati Sen, Saswat Chakrabarti, Ratnam V. Raja Kumar. vtc 2011: 1-6 [doi]

Combined BER Analysis for Time-Frequency Synchronization Schemes for MB-OFDM UWBDebarati Sen, Saswat Chakrabarti, Ratnam V. Raja Kumar. vtc 2011: 1-6 [doi]

2010

Optimal Superimposed Training Sequences for Channel Estimation in MIMO-OFDM SystemsJinesh P. Nair, Ratnam V. Raja Kumar. ejasp, 2010, 2010. [doi]

Channel Estimation in OFDM Systems Using a Controlled Superimposition of Training SequencesJinesh P. Nair, Ratnam V. Raja Kumar. cssp, 29(2):349-360, 2010. [doi]

A High Level Performance Estimation: Modeling the Effects of Parameters on Performance Properties for a Tool Assisted SDR DevelopmentVenkatesh Ramakrishnan, S. Mishra, Gerd Ascheid, Ratnam V. Raja Kumar. icc 2010: 1-5 [doi]

An Adaptive Timing Synchronization Scheme for Multi-Band Orthogonal Frequency Division Multiplexing Based Ultra-Wideband Communication SystemsDebarati Sen, Saswat Chakrabarti, Ratnam V. Raja Kumar. wpc, 53(2):281-298, 2010. [doi]

Frequency Offset Estimation by Multi-Band Averaging Method: A New Approach for MB-OFDM Based Ultra-Wideband Communication SystemDebarati Sen, Saswat Chakrabarti, Ratnam V. Raja Kumar. wpc, 54(4):623-633, 2010. [doi]

2009

An efficient technique for the integer frequency offset estimation in OFDM systemsS. M. Sameer, Ratnam V. Raja Kumar. sigpro, 89(2):252-256, 2009. [doi]

A Technique for Frequency Synchronization in Multi-Band OFDM in Realistic UWB ChannelDebarati Sen, Saswat Chakrabarti, Ratnam V. Raja Kumar. cssp, 28(6):993-1016, 2009. [doi]

2008

2006

Optimized VLIW Architecture for Non-zero IF QAM-Modem ImplementationsAlok Kumar Pani, Ratnam V. Raja Kumar. vlsid 2006: 513-516 [doi]

2005

Performance analysis of the UMTS system for Web traffic over dedicated channelsManju Sarvagya, Ratnam V. Raja Kumar. itre 2005: 414-417 [doi]

A switched adaptive predictor for lossless compression of high resolution imagesAnil Kumar Tiwari, Ratnam V. Raja Kumar. icc 2005: 1097-1101 [doi]

2000

A near-optimum detector with reduced out-of band response for narrowband signalsRatnam V. Raja Kumar. tsp, 48(10):2953-2956, 2000. [doi]

1989

A nonlinear optimization algorithm for the estimation of structure and motion parametersRatnam V. Raja Kumar, Arun P. Tirumalai, Ramesh C. Jain. cvpr 1989: 136-143 [doi]

1985

A gradient algorithm for center-frequency adaptive recursive bandpass filtersRatnam V. Raja Kumar, Ranendra N. Pal. pieee, 73(2):371-372, 1985. [doi]

1984

Separation of sinusoids using the constrained adaptive line enhancerRatnam V. Raja Kumar, Ranendra N. Pal. icassp 1984: 275-278 [doi]

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