11 citations · 23 across the 24 of their papers we have counts for
27 papers
GLRT for Reconfigurable Intelligent Surface aided Spectrum Sensing
Nikhilsingh Parihar, Praful Mankar, Sachin Chaudhari
Spectrum sensing (SS) is crucial for realising cognitive radio networks, where the secondary user (SU) needs to detect the presence of a primary user (PU) in order to utilise the s…
Near-field Wideband Multi-User Localization using NFMR-Net
Pearl Hetul Shah, Srikar Sharma Sadhu, Praful D. Mankar
This paper proposes a deep learning based method for wideband near-field multi-user localization. In particular, the proposed approach utilizes the Zadoff-Chu (ZC) sequence based p…
Time-Frequency Pilot Sequence Design and LoS Delay-Doppler Estimation
Aadarsh Devanand, Praful D. Mankar
We present a novel framework for line-of-sight (LoS) delay-Doppler (DD) estimation in dense scattering propagation environments. We present two time-frequency (TF) domain pilot seq…
Detection of Number of Subcarriers of OFDM Systems using Eigen-Spectral Analysis
Vishnu Priya Chekuru, Ganapathiraju S S Ananya Varma, Arti Yardi +1
Orthogonal Frequency-Division Multiplexing (OFDM) is widely used in modern wireless communication systems due to its robustness against time-dispersive channels. In this work, we c…
Capacity Analysis of Cascaded BD-RIS Assisted MIMO Systems
M. S. S. Manasa, Praful D. Mankar, Sundaram Vanka
This paper examines the cascaded deployment of beyond diagonal (BD) reconfigurable intelligent surfaces (RISs) and explores its potential to enhance the performance of MIMO systems…
Near-field Anchor-free Localization using Reconfigurable Intelligent Surfaces
Srikar Sharma Sadhu, Praful D. Mankar, Santosh Nannuru
Near-field localization is expected to play a crucial role in enabling a plethora of applications under the paradigm of 6G networks. The conventional localization methods rely on c…
Near-field 5D Pose Estimation using Reconfigurable Intelligent Surfaces
Srikar Sharma Sadhu, Praful D. Mankar, Santosh Nannuru
The advent of 6G is expected to enable many use cases which may rely on accurate knowledge of the location and orientation of user equipment (UE). The conventional localization met…
Peak Age of Information under Tandem of Queues
Ashirwad Sinha, Shubhransh Singhvi, Praful D. Mankar +1
This paper considers a communication system where a source sends time-sensitive information to its destination via queues in tandem. We assume that the arrival process as well as t…
Characterization of Capacity and Outage of RIS-aided Downlink Systems under Rician Fading
Kali Krishna Kota, Praful D. Mankar, Harpreet S. Dhillon
This letter presents optimal beamforming and outage analysis for a Reconfigurable Intelligent Surface (RIS)-aided multiple input single output downlink system under Rician fading o…
Capacity Maximization for RIS-assisted Multi-user MISO Communication Systems
M. S. S. Manasa, Kali Krishna Kota, Praful D. Mankar +1
We consider a multi-user multiple input single output (MU-MISO) system assisted by a reconfigurable intelligent surface (RIS). For such a system, we aim to optimally select the RIS…
RIS-NOMA integrated low-complexity transceiver architecture: Sum rate and energy efficiency perspective
Kali Krishna Kota, Praful D. Mankar
This paper aims to explore reconfigurable intelligent surface (RIS) integration in a millimeter wave (mmWave) communication system with low-complexity transceiver architecture unde…
Maximum Eigenvalue Detection based Spectrum Sensing in RIS-aided System with Correlated Fading
Nikhilsingh Parihar, Praful D. Mankar, Sachin Chaudhari
Robust spectrum sensing is crucial for facilitating opportunistic spectrum utilization for secondary users (SU) in the absense of primary users (PU). However, propagation environme…
Statistically Optimal Beamforming and Ergodic Capacity for RIS-aided MISO Systems
Kali Krishna Kota, M. S. S. Manasa, Praful D. Mankar +1
This paper focuses on optimal beamforming to maximize the mean signal-to-noise ratio (SNR) for a reconfigurable intelligent surface (RIS)-aided MISO downlink system under correlate…
Age of Information with On-Off Service
Ashirwad Sinha, Praful D. Mankar, Nikolaos Pappas +1
This paper considers a communication system where a source sends time-sensitive information to its destination. We assume that both arrival and service processes of the messages ar…
Coding Gain for Age of Information in a Multi-source System with Erasure Channel
Shubhransh Singhvi, Praful D. Mankar
In our work, we study the age of information ($\AoI$) in a multi-source system where sources transmit updates of their time-varying processes via a common-aggregator node to a…
Optimal Beamforming and Outage Analysis for Max Mean SNR under RIS-aided Communication
Kali Krishna Kota, Praful D. Mankar, Harpreet S. Dhillon
This paper considers beamforming for a reconfigurable intelligent surface (RIS)-aided multiple input single output (MISO) communication system in the presence of Rician multipath f…
Deep Learning based Coverage and Rate Manifold Estimation in Cellular Networks
Washim Uddin Mondal, Praful D. Mankar, Goutam Das +2
This article proposes Convolutional Neural Network-based Auto Encoder (CNN-AE) to predict location-dependent rate and coverage probability of a network from its topology. We train…
Adaptive Rate NOMA for Cellular IoT Networks
G. Sreya, S. Saigadha, Praful D. Mankar +2
Internet-of-Things (IoT) technology is envisioned to enable a variety of real-time applications by interconnecting billions of sensors/devices deployed to observe some random physi…
Spatial Distribution of the Mean Peak Age of Information in Wireless Networks
Praful D. Mankar, Mohamed A. Abd-Elmagid, Harpreet S. Dhillon
This paper considers a large-scale wireless network consisting of source-destination (SD) pairs, where the sources send time-sensitive information, termed status updates, to their…
Throughput and Age of Information in a Cellular-based IoT Network
Praful D. Mankar, Zheng Chen, Mohamed A. Abd-Elmagid +2
This paper studies the interplay between device-to-device (D2D) communications and real-time monitoring systems in a cellular-based Internet of Things (IoT) network. In particular,…
Downlink Analysis for the Typical Cell in Poisson Cellular Networks
Praful D. Mankar, Priyabrata Parida, Harpreet S. Dhillon +1
Owing to its unparalleled tractability, the Poisson point process (PPP) has emerged as a popular model for the analysis of cellular networks. Considering a stationary point process…
Downlink Analysis of NOMA-enabled Cellular Networks with 3GPP-inspired User Ranking
Praful D. Mankar, Harpreet S. Dhillon
This paper provides a comprehensive downlink analysis of non-orthogonal multiple access (NOMA) enabled cellular networks using tools from stochastic geometry. As a part of this ana…
Distance from the Nucleus to a Uniformly Random Point in the 0-cell and the Typical Cell of the Poisson-Voronoi Tessellation
Praful D. Mankar, Priyabrata Parida, Harpreet S. Dhillon +1
Consider the distances and from the nucleus to a uniformly random point in the 0-cell and the typical cell, respectively, of the -dimensional Poisson-Voronoi…
Meta Distribution for Downlink NOMA in Cellular Networks with 3GPP-inspired User Ranking
Praful D. Mankar, Harpreet S. Dhillon
This paper presents the meta distribution analysis of the downlink two-user non-orthogonal multiple access (NOMA) in cellular networks. We propose a novel user ranking technique wh…