no code implementations • 18 Aug 2023 • Anish Pradhan, Harpreet S. Dhillon, Fredrik Tufvesson, Andreas F. Molisch
For example, the condition of visibility of a scatterer from the perspective of a BS is different from that of an MS and depends on the height of the scatterer.
no code implementations • 18 Aug 2023 • Anish Pradhan, J. Kartheek Devineni, Andreas F. Molisch, Harpreet S. Dhillon
This paper introduces a novel line-of-sight (LoS) $\beta-\gamma$ terahertz (THz) channel model that closely mirrors physical reality by considering radiation trapping.
no code implementations • 30 Jun 2023 • Don-Roberts Emenonye, Anik Sarker, Alan T. Asbeck, Harpreet S. Dhillon, R. Michael Buehrer
More specifically, we investigate the possibility of using on-body RISs to estimate the location information over time of upper limbs that may have been impaired due to stroke.
no code implementations • 1 Mar 2023 • Anish Pradhan, Harpreet S. Dhillon
We rigorously establish that for the unconstrained case, the optimal points of the reformulation and the original problem coincide.
no code implementations • 2 Oct 2022 • Anish Pradhan, Mohamed A. Abd-Elmagid, Harpreet S. Dhillon, Andreas F. Molisch
Terahertz (THz) communication signals are susceptible to severe degradation because of the molecular interaction with the atmosphere in the form of subsequent absorption and re-radiation.
no code implementations • 19 Jul 2022 • Deniz Gunduz, Zhijin Qin, Inaki Estella Aguerri, Harpreet S. Dhillon, Zhaohui Yang, Aylin Yener, Kai Kit Wong, Chan-Byoung Chae
Communication systems to date primarily aim at reliably communicating bit sequences.
no code implementations • 3 Jun 2022 • Don-Roberts Emenonye, Harpreet S. Dhillon, R. Michael Buehrer
Specifically, we start from the assumption that the position and orientation of a RIS can be viewed as prior information for RIS-aided localization in wireless systems and derive Bayesian bounds for the localization of a user equipment (UE).
no code implementations • 10 Feb 2022 • Charles E. Thornton, R. Michael Buehrer, Harpreet S. Dhillon, Anthony F. Martone
More recently, reinforcement learning has been proposed for waveform selection, in which the problem is framed as a Markov decision process (MDP), allowing for long-term planning.
no code implementations • 4 Feb 2022 • Joseph Thaliath, Solmaz Niknam, Sukhdeep Singh, Rahul Banerji, Navrati Saxena, Harpreet S. Dhillon, Jeffrey H. Reed, Ali Kashif Bashir, Avinash Bhat, Abhishek Roy
To cater to the dynamic service requirements of these verticals and meet the required quality-of-service (QoS) mentioned in the service-level agreement (SLA), network slices need to be isolated through dedicated elements and resources.
no code implementations • 21 Jun 2021 • Keerthana Bhogi, Chiranjib Saha, Harpreet S. Dhillon
We find the best representation of the optimal precoder as a function of Kronecker Product (KP) of two low-dimensional precoders, respectively corresponding to the horizontal and vertical dimensions of the UPA, obtained from the tensor decomposition of the channel.
no code implementations • 2 Jun 2021 • Anish Pradhan, J. Kartheek Devineni, Harpreet S. Dhillon, Andreas F. Molisch
The operation of Terahertz (THz) communication can be significantly impacted by the interaction between the transmitted wave and the molecules in the atmosphere.
2 code implementations • 13 Feb 2021 • Jorge Gomez Ponce, Thomas Choi, Naveed A. Abbasi, Aldo Adame, Alexander Alvarado, Colton Bullard, Ruiyi Shen, Fred Daneshgaran, Harpreet S. Dhillon, Andreas F. Molisch
Unmanned Aerial Vehicles (UAVs), popularly called drones, are an important part of future wireless communications, either as user equipment that needs communication with a ground station, or as base station in a 3D network.
no code implementations • 18 May 2020 • Keerthana Bhogi, Chiranjib Saha, Harpreet S. Dhillon
This paper focuses on the design of beamforming codebooks that maximize the average normalized beamforming gain for any underlying channel distribution.
no code implementations • 17 May 2020 • Solmaz Niknam, Abhishek Roy, Harpreet S. Dhillon, Sukhdeep Singh, Rahul Banerji, Jeffery H. Reed, Navrati Saxena, Seungil Yoon
Building on the principles of openness and intelligence, there has been a concerted global effort from the operators towards enhancing the radio access network (RAN) architecture.
1 code implementation • 21 Apr 2020 • Chiranjib Saha, Harpreet S. Dhillon
In this letter, we characterize the distribution of the number of users associated with the typical base station (BS), termed the typical cell load, in a cellular network where the BSs are distributed as a homogeneous Poisson point process (PPP) and the users are distributed as an independent Poisson cluster process (PCP).
Information Theory Information Theory
1 code implementation • 6 Apr 2020 • Morteza Banagar, Harpreet S. Dhillon, Andreas F. Molisch
This paper studies the impact of unmanned aerial vehicle (UAV) wobbling on the coherence time of the wireless channel between UAVs and a ground user equipment (UE), using a Rician multi-path channel model.
Information Theory Signal Processing Information Theory
1 code implementation • 16 Feb 2020 • Morteza Banagar, Vishnu Vardhan Chetlur, Harpreet S. Dhillon
This letter analyzes the handover probability in a drone cellular network where the initial positions of drone base stations (DBSs) serving a set of user equipment (UE) on the ground are modeled by a homogeneous Poisson point process (PPP).
Information Theory Signal Processing Information Theory
1 code implementation • 24 Aug 2019 • Morteza Banagar, Harpreet S. Dhillon
All the other DBSs are considered as interfering DBSs for the typical UE.
Information Theory Signal Processing Information Theory
1 code implementation • 14 Aug 2019 • Morteza Banagar, Harpreet S. Dhillon
In this paper, we characterize the performance of several canonical mobility models in a drone cellular network in which drone base stations (DBSs) serve user equipments (UEs) on the ground.
Information Theory Information Theory
no code implementations • 30 Jul 2019 • Solmaz Niknam, Harpreet S. Dhillon, Jeffery H. Reed
There is a growing interest in the wireless communications community to complement the traditional model-based design approaches with data-driven machine learning (ML)-based solutions.
1 code implementation • 2 May 2019 • Morteza Banagar, Harpreet S. Dhillon
To the best of our knowledge, this is the first work to perform a rigorous analysis of the 3GPP-inspired drone mobility model and establish connection between this model and the more general non-linear mobility models.
Information Theory Signal Processing Information Theory
1 code implementation • 1 May 2019 • Chiranjib Saha, Harpreet S. Dhillon
In wireless networks, many problems can be formulated as subset selection problems where the goal is to select a subset from the ground set with the objective of maximizing some objective function.
1 code implementation • 17 Feb 2019 • Chiranjib Saha, Harpreet S. Dhillon
With the goal of elucidating key design trends for this new paradigm, we develop an analytical framework for a two-tier HetNet with IAB where the macro base stations (MBSs) provide mm-wave backhaul to the small cell base stations (SBSs).
Information Theory Information Theory
1 code implementation • 26 Jan 2019 • Vishnu Vardhan Chetlur, Harpreet S. Dhillon
In this paper, we present the downlink coverage and rate analysis of a cellular vehicle-to-everything (C-V2X) communication network where the locations of vehicular nodes and road side units (RSUs) are modeled as Cox processes driven by a Poisson line process (PLP) and the locations of cellular macro base stations (MBSs) are modeled as a 2D Poisson point process (PPP).
Information Theory Networking and Internet Architecture Information Theory
1 code implementation • 5 Dec 2018 • Chiranjib Saha, Harpreet S. Dhillon, Naoto Miyoshi, Jeffrey G. Andrews
Owing to its flexibility in modeling real-world spatial configurations of users and base stations (BSs), the Poisson cluster process (PCP) has recently emerged as an appealing way to model and analyze heterogeneous cellular networks (HetNets).
Information Theory Networking and Internet Architecture Information Theory
1 code implementation • 28 Nov 2018 • Vishnu Vardhan Chetlur, Harpreet S. Dhillon, Carl P. Dettmann
While the Euclidean distance characteristics of the Poisson line Cox process (PLCP) have been investigated in the literature, the analytical characterization of the path distances is still an open problem.
Information Theory Networking and Internet Architecture Information Theory