Search Results - "Sreeraj, S J"

Optical Upconversion of OFDM Signals for Next Generation Fronthauling Using Frequency Doubling and Quadrupling by Sreeraj, S J, Lakshman, B, Ganti, Radhakrishna, Nirmalathas, Ampalavanapillai, Koilpillai, R David, Venkitesh, Deepa

“…Fronthaul data rates in case of mmWave wireless systems scale up to several Gbps in the currently deployed digitized radio over fiber solutions, resulting in…”
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Experimental Demonstration of Multi-channel Frequency Quadrupling for Analog Optical Fronthauling by Sreeraj, S J, Lakshman, B, Ganti, Radhakrishna, Koilpillai, David, Nirmalathas, Ampalavanapillai, Venkitesh, Deepa

“…This paper experimentally demonstrates multichannel frequency quadrupling for analog radio-over-fiber for fronthauling multi-sector antennas in the mmWave…”
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An Arbitrary Biased EOM-Based Pulse-Picker with Programmable Repetition Rate Using FPGA by Dutta, Joydip, Singh, Karamdeep, J, Sreeraj S, Venkitesh, Deepa

“…We experimentally demonstrate an arbitrarily biased electro-optic Mach-Zehnder modulator-based pulse picker with variable repetition rate (from 50 MHz to…”
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Performance Optimization of a Frequency Quadrupler Based Analog Radio-over-Fiber Fronthaul for 5G mmWave by S J, Sreeraj, B, Lakshman, Ganti, Radhakrishna, Koilpillai, David, Venkitesh, Deepa

“…An analog optical frequency quadrupling system is realized for transport of 5G mmWave (26.4 GHz) over 2 km fiber. Optimization of operating conditions for 100…”
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Kerr Nonlinearity Tolerance with Reference Constellation Adaptation by Mir, Sameer Ahmad, Venkatasubramani, Lakshmi Narayanan, J, Sreeraj S, Barry, Liam, Koilpillai, R. David, Venkitesh, Deepa

“…Technological improvements have created a large need for increased optical backbone network transmission capacity. Higher launch powers into the fibre are one…”
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Frequency Doubler Based Optical Generation and Transport of 5G mmWave Signals for Fronthauling by S J, Sreeraj, B, Lakshman, Ganti, Radhakrishna, Koilpillai, David, Venkitesh, Deepa

“…An analog optical doubler system is realized for the transport of 5G mmWave (26.4 GHz) over 2 km fiber. Optimization of operating conditions for error-free…”
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Influence of pulse repetition rate on SINAD performance of time-stretched photonic ADCs by Singh, Karamdeep, J, Sreeraj S, Srinivasan, Balaji, Venkitesh, Deepa

“…Functionality of single-shot time-stretch photonic front for ADC applications is demonstrated. Impact of choice of pulse repetition rate of MLL on the…”
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Optical Sub-Nyquist Sampling of S and C-band Signals with 1 GHz Clock Source and Its Performance by Singh, Karamdeep, Siva Subramaniyam, C N, Sreeraj, S J, Srinivasan, Balaji, Venkitesh, Deepa

“…We demonstrate sub-sampled photonic down conversion with 500 MHz digitization bandwidth using home assembled 1 GHz AHMLL as clock source. We have evaluated…”
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Analog optical generation and transport for 5G millimeter wave systems by Sreeraj, S J, Venkitesh, Deepa, Koilpillai, Ravinder David, Nirmalathas, Ampalavanapillai

“…A scheme for optical generation and transport of 5G NR signals in the analog format using a frequency upconverter is discussed with simulation and experimental…”
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Influence of Optical Fiber Length on the Jitter Performance of Subsampled Photonic Downconverter for S-band RADAR Systems by Singh, Karamdeep, Sreeraj, S.J., Vikas T.R., Sai, Kumar, Krishna, Venkitesh, Deepa

“…A packaged sub-sampled photonic downconverter is demonstrated with digitization bandwidth of 42.3 MHz for S-band operation. Nyquist folding of a single-tone…”
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A Novel Photonic Instantaneous Frequency Measurement Technique Using Binary Deduction by S J, Sreeraj, Dutta, Joydip, Varsha, Diddi Pavitra, Venkitesh, Deepa

“…In this paper, we introduce a novel sub-Nyquist-based photonic instantaneous frequency measurement (IFM) system leveraging a binary deduction algorithm. We…”
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Device dependent distortion correction in time-stretch photonic analog to digital converters using deep neural networks by Singh, Mandeep, Dutta, Joydip, J, Sreeraj S, Sankar, Viswanathan, Srinivasan, Balaji, Theagarajan, Lakshmi Narasimhan, Venkitesh, Deepa

“…We experimentally demonstrate a novel deep learning-aided time-stretch photonic front end architecture to overcome device-dependent distortions to improve the…”
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Improved geometric filter algorithm for device free localization by Sreeraj, S. J., Ramanathan, R.

“…Device Free Localization (DFL) is one of the emerging applications of Wireless Sensor Networks, which can find people or objects in a monitored area - even…”
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Simulation of a wideband frequency measurement system using parallel photonic sub-Nyquist sampling and binary deduction by J, Sreeraj S, Singh, Karamdeep, Srinivasan, Balaji, Christopher, S, Venkitesh, Deepa

“…A novel photonic sub-Nyquist based wideband frequency measurement system based on a pulsed laser, a set of interleavers and a binary deduction algorithm is…”
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