8 citations · 20 across the 33 of their papers we have counts for
36 papers
A Framework for Enterprise Network Dimensioning
Gourab Ghatak
We study radio node (RN) placement for indoor enterprise networks. Using stochastic geometry (SG), we derive the meta-distribution (MD) of the SINR for a test user equipment (UE),…
Networked Control System Under Controller-Actuator Channel Jamming
Chen Quan, Geethu Joseph, Gourab Ghatak
Wireless channels in the networked control systems are vulnerable to intentional interference, such as jamming attacks. This paper investigates jamming attacks on the wireless cont…
Information Age-Controllability Trade-offs in Communication-Constrained Networks
Songita Das, Gourab Ghatak, Chen Quan +1
We investigate the trade-off between controllability, channel access, and age-related performance in a wireless network of control systems. Controllers share a random-access channe…
Joint Sleep Mode Activation and Load Balancing with Dynamic Cell Load: A Combinatorial Bandit Approach
Wajahat Bashir Gilkar, Gourab Ghatak
We propose a combinatorial bandit formulation to opportunistically trigger sleep modes in gNode-B (gNB) small cells (SCs), followed by a cell range expansion (CRE)-based load balan…
Weighted K-Harmonic Means Clustering: Convergence Analysis and Applications to Wireless Communications
Gourab Ghatak
We propose the \emph{weighted K-harmonic means} (WKHM) clustering algorithm, a regularized variant of K-harmonic means designed to ensure numerical stability while enabling soft as…
Spatially Correlated Blockage Aware Placement of RIS in IIoT Networks
Rashmi Kumari, Gourab Ghatak, Abhishek K. Gupta
We study the impact of deploying reconfigurable intelligent surfaces (RISs) in mitigating coverage gaps and enhancing transmission reliability in an industrial internet of things (…
Poisson-Sampled Fréchet Means on Gaussian Information Manifolds
Gourab Ghatak
Distribution-valued marks in a spatial network live on a statistical manifold, whereas their sampling locations are governed by stochastic geometry. We develop a rigorous finite-wi…
Distribution Bounds on the Conditional ROC in a Poisson Field of Interferers and Clutters
Gourab Ghatak
We present a novel analytical framework to characterize the distribution of the conditional receiver operating characteristic (ROC) in radar systems operating within a realization…
UAV-Based Cell-Free Massive MIMO: Joint Placement and Power Optimization under Fronthaul Capacity Limitations
Neetu R. R, Ozan Alp Topal, Özlem Tuğfe Demir +4
We consider a cell-free massive multiple-input multiple-output (mMIMO) network, where unmanned aerial vehicles (UAVs) equipped with multiple antennas serve as distributed UAV-acces…
An Algorithm for Fixed Budget Best Arm Identification with Combinatorial Exploration
Siddhartha Parupudi, Gourab Ghatak
We consider the best arm identification (BAI) problem in the armed bandit framework with a modification - the agent is allowed to play a subset of arms at each time slot instea…
Analysis of Age-Energy Trade-off in IoT Networks Using Stochastic Geometry
Songita Das, Gourab Ghatak
We study an internet of things (IoT) network where devices harvest energy from transmitter power. IoT devices use this harvested energy to operate and decode data packets. We propo…
Fine Grained Analysis and Optimization of Large Scale Automotive Radar Networks
Mohammad Taha Shah, Gourab Ghatak, Shobha Sundar Ram
Advanced driver assistance systems (ADAS) enabled by automotive radars have significantly enhanced vehicle safety and driver experience. However, the extensive use of radars in den…
Channel Access Strategies for Control-Communication Co-Designed Networks
Gourab Ghatak, Geethu Joseph, Chen Quan
We develop a framework for communication-control co-design in a wireless networked control system with multiple geographically separated controllers and controlled systems, modeled…
Target Tracking: Statistics of Successive Successful Target Detection in Automotive Radar Networks
Gourab Ghatak
We introduce a novel metric for stochastic geometry based analysis of automotive radar networks called target {\it tracking probability}. Unlike the well-investigated detection pro…
Shortest Path Lengths in Poisson Line Cox Processes: Approximations and Applications
Gourab Ghatak, Sanjoy Kumar Jhawar, Martin Haenggi
We study street-constrained () shortest paths in a Poisson line Cox process (PLCP), where Poisson points of linear intensity lie on the lines of an underlying Poisson l…
Handover_Management_in_UAV_Networks_with_Blockages
Neetu R R, Gourab Ghatak, Vivek Ashok Bohara
We investigate the performance of unmanned aerial vehicle (UAV)-based networks in urban environments characterized by blockages, focusing on their capability to support the service…
Modeling and Statistical Characterization of Large-Scale Automotive Radar Networks
Mohammad Taha Shah, Gourab Ghatak, Ankit Kumar +1
The impact of discrete clutter and co-channel interference on the performance of automotive radar networks has been studied using stochastic geometry, in particular, by leveraging…
Impact of Urban Street Geometry on the Detection Probability of Automotive Radars
Mohammad Taha Shah, Ankit Kumar, Gourab Ghatak +1
Prior works have analyzed the performance of millimeter wave automotive radars in the presence of diverse clutter and interference scenarios using stochastic geometry tools instead…
Best Arm Identification Based Beam Acquisition in Stationary and Abruptly Changing Environments
Gourab Ghatak
We study the initial beam acquisition problem in millimeter wave (mm-wave) networks from the perspective of best arm identification in multi-armed bandits (MABs). For the stationar…
On the Deployment of Reconfigurable Intelligent Surfaces in the Presence of Blockages
Vikrant Malik, Gourab Ghatak, Abhishek K. Gupta +1
Wireless communications aided by reconfigurable intelligent surfaces (RISs) is a promising way to improve the coverage for cellular users. The controlled reflection of signals from…
The influence of the effective number of active and sterile neutrinos on the determination of the values of cosmological parameters
P. A. Chernikov, A. V. Ivanchik
In the presented work we consider the influence of a hypothetical sterile neutrino (with eV-scale mass) on the determination of cosmological parameters. If it is detected, it will…
Binomial Line Cox Processes: Statistical Characterization and Applications in Wireless Network Analysis
Mohammad Taha Shah, Gourab Ghatak, Souradip Sanyal +1
The current analysis of wireless networks whose transceivers are confined to streets is largely based on Poissonian models, such as Poisson line processes and Poisson line Cox proc…
Cache Enabled UAV HetNets Access xHaul Coverage Analysis and Optimal Resource Partitioning
Neetu R R, Gourab Ghatak, Anand Srivastava +1
We study an urban wireless network in which cache-enabled UAV-Access points (UAV-APs) and UAV-Base stations (UAV-BSs) are deployed to provide higher throughput and ad-hoc coverage…
Fast Change Identification in Multi-Play Bandits and its Applications in Wireless Networks
Gourab Ghatak
Next-generation wireless services are characterized by a diverse set of requirements, to sustain which, the wireless access points need to probe the users in the network periodical…