Search Results - "Darak, Sumit"

Multiplayer Bandits: A Trekking Approach by Hanawal, Manjesh Kumar, Darak, Sumit J.

“…In this article, we study stochastic multiarmed bandits with many players. The players do not know the number of players, cannot communicate with each other,…”
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Multi-Player Multi-Armed Bandits for Stable Allocation in Heterogeneous Ad-Hoc Networks by Darak, Sumit J., Hanawal, Manjesh K.

“…Next generation networks are expected to be ultra-dense and aim to explore spectrum sharing paradigm that allows users to communicate in licensed, shared as…”
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Online-Learning-Based Multi-RIS-Aided Wireless Systems by Sharma, Ishaan, Kumar, Rohit, Darak, Sumit J.

“…The evolution of software-defined radios and reconfigurable intelligent surfaces (RIS) has enabled on-the-fly control and reconfigurability at the physical…”
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Low Complexity Deep Learning Augmented Wireless Channel Estimation for Pilot-Based OFDM on Zynq System on Chip by Sharma, Animesh, Haq, Syed Asrar Ul, Darak, Sumit J.

“…Channel estimation (CE) is one of the critical signal-processing tasks of the wireless physical layer (PHY). Recent deep learning (DL) based CE have…”
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Hardware-Software Co-Design of Statistical and Deep-Learning Frameworks for Wideband Sensing on Zynq System on Chip by Rajesh, Rohith, Darak, Sumit J., Jain, Akshay, Chandhok, Shivam, Sharma, Animesh

“…With the introduction of spectrum sharing and heterogeneous services in next-generation networks, the base stations need to sense the wideband spectrum and…”
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Spectral Coexistence of LDACS and DME: Analysis via Hardware Software Co-Design in Presence of Real Channels and RF Impairments by Agrawal, Niharika, Darak, Sumit J., Bader, Faouzi

“…To meet the exponentially increasing air traffic, L-band (960--1164 MHz) digital aeronautical communication system (LDACS) has been introduced. The LDACS aims…”
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Beam Alignment in Multipath Environments for Integrated Sensing and Communication Using Bandit Learning by Sneh, Akanksha, Ram, Shobha Sundar, Darak, Sumit J, Tewari, Aakanksha

“…Prior works have explored multi-armed bandit (MAB) algorithms for the selection of optimal beams for millimeter-wave (mmW) communications between base station…”
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Multiarmed Bandit Algorithms on Zynq System-on-Chip: Go Frequentist or Bayesian? by Santosh, S. V. Sai, Darak, Sumit J.

“…Multiarmed Bandit (MAB) algorithms identify the best arm among multiple arms via exploration-exploitation trade-off without prior knowledge of arm statistics…”
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New Spectrum Efficient Reconfigurable Filtered-OFDM Based L-Band Digital Aeronautical Communication System by Agrawal, Niharika, Darak, Sumit J., Bader, Faouzi

“…To meet an ever-increasing demand of the spectrum for aeronautical communication, we propose new L -band digital aeronautical communication system using…”
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Deep Neural Network Augmented Wireless Channel Estimation for Preamble-Based OFDM PHY on Zynq System on Chip by Haq, Syed Asrar Ul, Gizzini, Abdul Karim, Shrey, Shakti, Darak, Sumit J., Saurabh, Sneh, Chafii, Marwa

“…Reliable and fast channel estimation is crucial for next-generation wireless networks supporting a wide range of vehicular and low-latency services. Recently,…”
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Intelligent and Reconfigurable Architecture for KL Divergence-Based Multi-Armed Bandit Algorithms by Santosh, S. V. Sai, Darak, Sumit J.

“…The Multi-armed bandit (MAB) algorithms do not need any training phase and can be deployed directly in an unknown environment. MAB algorithms can identify the…”
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Novel deep learning framework for wideband spectrum characterization at sub-Nyquist rate by Chandhok, Shivam, Joshi, Himani, Subramanyam, A. V., Darak, Sumit J.

“…Limited availability and high auction cost of the sub-6 GHz spectrum led to the introduction of spectrum-sharing in 5G networks. This demands base stations…”
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Low-Complexity Reconfigurable and Intelligent Ultrawideband Angular Sensing by Joshi, Himani, Darak, Sumit J., Kumar, Achanna Anil

“…Paradigms such as multiantenna transceivers, spectrum sharing, and beamforming are critical to meet the desired throughput, reliability, latency, spectrum, and…”
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Reconfigurable and Intelligent Ultrawideband Angular Sensing: Prototype Design and Validation by Joshi, Himani, Darak, Sumit J., Alaee-Kerahroodi, Mohammad, Mysore Rama Rao, Bhavani Shankar

“…The emergence of beyond-licensed spectrum sharing in FR1 (0.45-6 GHz) and FR2 (24-52 GHz) along with the multi-antenna narrow-beam-based directional…”
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Throughput Optimized Non-Contiguous Wideband Spectrum Sensing via Online Learning and Sub-Nyquist Sampling by Joshi, Himani, Darak, Sumit J., Kumar, A. Anil, Kumar, Rohit

“…In this letter, we consider non-contiguous wideband spectrum sensing (WSS) using the sub-Nyquist sampling approach. Compared to contiguous WSS which senses the…”
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Low Complexity Deep Learning Aided Channel Estimation Architecture for Vehicular Networks by Ul Haq, Syed Asrar, Darak, Sumit J., Gizzini, Abdul Karim

“…The channel estimation (CE) in ultra-reliable vehicular communication is challenging due to dynamically varying channel conditions. In this direction, various…”
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Distributed Learning and Coordination in Cognitive Infrastructureless Networks of Unknown Size by Kumar, Rohit, Darak, Sumit J., Hanawal, Manjesh K., Yadav, Ankit

“…The cognitive infrastructureless network has received significant attention to reduce signaling load in next-generation networks, which are expected to be…”
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Two-stage decision making policy for opportunistic spectrum access and validation on USRP testbed by Kumar, Rohit, Darak, Sumit J., Sharma, Ajay K., Tripathi, Rajiv

“…“Recently, various paradigms, for instance, device-to-device communications, LTE-unlicensed and cognitive radio based on an opportunistic spectrum access (OSA)…”
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Low-Complexity Reconfigurable Fast Filter Bank for Multi-Standard Wireless Receivers by Darak, Sumit J., Gopi, Smitha Kavallur Pisharath, Prasad, Vinod Achutavarrier, Lai, Edmund

“…This brief presents a new low-complexity reconfigurable fast filter bank (RFFB) for wireless communication applications such as spectrum sensing and…”
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Reconfigurable Wireless PHY with Dynamically Controlled Out-of-Band Emission on Zynq SoC by Tewari, Aakanksha, Singh, Neelam, Darak, Sumit J., Kizheppatt, Vipin, Jafri, Mohammed Sajjad

“…After successful deployment in 4G and WiFi, orthogonal frequency division multiplexing (OFDM) based physical layer (PHY) is preferred for 5G and…”
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