activity
20172024
most citedDeep Learning for THz Channel Estimation and Beamforming Prediction via Sub-6GHz Channel

17 citations · 31 across the 17 of their papers we have counts for

collaborators

18 papers

eess.SP2024★ 17 cited

Deep Learning for THz Channel Estimation and Beamforming Prediction via Sub-6GHz Channel

Sagnik Bhattacharya, Abhishek K. Gupta

An efficient channel estimation is of vital importance to help THz communication systems achieve their full potential. Conventional uplink channel estimation methods, such as least…

cs.IT2023

On the Coverage of Cognitive mmWave Networks with Directional Sensing and Communication

Shuchi Tripathi, Abhishek K. Gupta, SaiDhiraj Amuru

Millimeter-waves' propagation characteristics create prospects for spatial and temporal spectrum sharing in a variety of contexts, including cognitive spectrum sharing (CSS). Howev…

cs.IT2023★ 1 cited

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…

cs.NI2022

Interference Constrained Beam Alignment for Time-Varying Channels via Kernelized Bandits

Yuntian Deng, Xingyu Zhou, Arnob Ghosh +2

To fully utilize the abundant spectrum resources in millimeter wave (mmWave), Beam Alignment (BA) is necessary for large antenna arrays to achieve large array gains. In practical d…

cs.IT2021★ 2 cited

Impact of Blocking Correlation on the Performance of mmWave Cellular Networks

Saurabh Kumar Gupta, Vikrant Malik, Abhishek K. Gupta +1

In mmWave networks, a large or nearby object can obstruct multiple communication links, which results in spatial correlation in the blocking probability between a user and two or m…

cs.IT2021

Channel Characterization and Performance of a 3-D Molecular Communication System with Multiple Fully-Absorbing Receivers

Nithin V. Sabu, Abhishek K. Gupta, Neeraj Varshney +1

Molecular communication (MC) can enable the transfer of information between nanomachines using molecules as the information carrier. In MC systems, multiple receiver nanomachines o…

cs.IT2021

On the Performance of the Primary and Secondary Links in a 3-D Underlay Cognitive Molecular Communication

Nithin V. Sabu, Neeraj Varshney, Abhishek K. Gupta

Molecular communication often involves coexisting links where certain links may have priority over others. In this work, we consider a system in three-dimensional (3-D) space with…

cs.IT2020★ 11 cited

Detection Probability in a Molecular Communication via Diffusion System with Multiple Fully-absorbing Receivers

Nithin V. Sabu, Abhishek K. Gupta

In this letter, we consider a 3D molecular communication via diffusion system (MCvDS) with a single point transmitter and multiple fully-absorbing spherical receivers whose centers…

cs.IT2020

kth Distance Distributions of n-Dimensional Matérn Cluster Process

Kaushlendra Pandey, Abhishek K. Gupta

In this letter, we derive the CDF (cumulative distribution function) of th contact distance (CD) and nearest neighbor distance (NND) of the -dimensional (-D) Matérn cluste…

cs.IT2020

Analysis of Diffusion Based Molecular Communication System with Multiple Transmitters

Nithin V. Sabu, Abhishek K. Gupta

Due to the limited capabilities of a single bio-nanomachine, complicated tasks can be performed only with the co-operation of multiple bio-nanomachines. In this work, we consider a…

cs.IT2020

3-D Diffusive Molecular Communication with Two Fully-Absorbing Receivers: Hitting Probability and Performance Analysis

Nithin V. Sabu, Neeraj Varshney, Abhishek K. Gupta

Exact analytical channel models for molecular communication via diffusion (MCvD) systems involving multiple fully absorbing receivers (FARs) in a three-dimensional (3- D) medium ar…

cs.IT2020

Analysis of Diffusion Based Molecular Communication with Multiple Transmitters having Individual Random Information Bits

Nithin V. Sabu, Abhishek K. Gupta

In this paper, we present an analytical framework to derive the performance of a molecular communication system where a transmitter bio-nano-machine (TBN) is communicating with a f…

cs.GT2019

Modeling and Analysis of Heterogeneous Traffic Networks with Anarchists and Socialist Traffic

Abhishek k Gupta, Adrish Banerjee

In this paper, we consider a heterogeneous traffic network with multiple users classes which differ considerably in their path selection objective. In particular, we consider two c…

cs.IT2019

On the Contact and Nearest-Neighbor Distance Distributions for the n-Dimensional Matern Cluster Process

Kaushlendra Pandey, Harpreet S. Dhillon, Abhishek K. Gupta

This letter provides exact characterization of the contact and nearest-neighbor distance distributions for the n dimensional (n-D) Matern cluster process (MCP). We also provide nov…

cs.IT2019

On Hybrid MoSK-CSK Modulation based Molecular Communication: Error Rate Performance Analysis using Stochastic Geometry

Nithin V. Sabu, Neeraj Varshney, Abhishek K. Gupta

Data transmission rate in molecular communication systems can be improved by using multiple transmitters and receivers. In molecular multiple-input multiple-output (MIMO) systems w…

eess.SY2018

On Socially Optimal Traffic Flow in the Presence of Random Users

Anant Chopra, Deepak S. Kalhan, Amrit S. Bedi +2

Traffic assignment is an integral part of urban city planning. Roads and freeways are constructed to cater to the expected demands of the commuters between different origin-destina…

cs.IT2018

On the Spatial Performance of Users in Indoor VLC Networks with Multiple Reflections

Abhishek K. Gupta, Adrish Banerjee

In this paper, we present a stochastic geometry based framework to analyze the performance of downlink indoor visible light communication (VLC) networks at a typical receiver while…

eess.SY2017

VehSense: Slippery Road Detection Using Smartphones

Yunfei Hou, Abhishek Gupta, Tong Guan +3

This paper investigates a new application of vehicular sensing: detecting and reporting the slippery road conditions. We describe a system and associated algorithm to monitor vehic…