no code implementations • 16 Apr 2023 • Yunseong Cho, Jinseok Choi, Brian L. Evans
First, we add a dithering signal to artificially decrease the SNR and then infer the likelihood function from the quantized dithered signals by using an SNR estimate derived from a deep neural network-based estimator which is trained offline.
no code implementations • 13 Nov 2022 • Yunseong Cho, Jinseok Choi, Brian L. Evans
At low SNR, observations vary frequently in value but the high noise power makes capturing the effect of the channel difficult.
1 code implementation • 5 Sep 2022 • Elyes Balti, Chris Dick, Brian L. Evans
We consider an integrated access and backhaul (IAB) node operating in full-duplex (FD) mode.
no code implementations • 8 Aug 2022 • Yunseong Cho, Jinseok Choi, Brian L. Evans
We show that strong duality holds between the primal DL formulation and its manageable Lagrangian dual problem which can be interpreted as the virtual uplink (UL) problem with adjustable noise covariance matrices.
no code implementations • 28 Mar 2022 • Elyes Balti, Brian L. Evans
In this work, we consider a full-duplex (FD) massive multiple-input multiple-output (MIMO) cellular network with low-resolution analog-to-digital converters (ADCs) and digital-to-analog converter (DACs).
no code implementations • 7 Mar 2022 • Elyes Balti, Brian L. Evans
In this work, we consider a full-duplex (FD) massive multiple-input multiple-output (MIMO) cellular network with low resolution analog-to-digital converters (ADCs) and digital-to-analog converters (DACs).
no code implementations • 24 Jan 2022 • Elyes Balti, Brian L. Evans
We consider a wideband integrated access and backhaul system operating in full-duplex mode between the New Radio gNB donor and single user equipment.
no code implementations • 20 Nov 2021 • Elyes Balti, Brian L. Evans
In this paper, we provide an analytical framework for full-duplex (FD) massive multiple-input multiple-output (MIMO) cellular networks with low resolution analog-to-digital and digital-to-analog converters (ADCs and DACs).
no code implementations • 23 Oct 2021 • Elyes Balti, Brian L. Evans
Full-duplex (FD) systems have the capability to transmit and receive at the same time in the same frequency band.
no code implementations • 19 Oct 2021 • Yunseong Cho, Jinseok Choi, Brian L. Evans
In this work, we present a solution for coordinated beamforming for large-scale downlink (DL) communication systems with low-resolution data converters when employing a per-antenna power constraint that limits the maximum antenna power to alleviate hardware cost.
no code implementations • 26 May 2021 • Elyes Balti, Brian L. Evans
Recently, full duplex (FD) has been studied in 5G LTE millimeter wave (mmWave) cellular communications for New Radio in 3GPP releases 15-17.
no code implementations • 10 Nov 2020 • Pooja Nuti, Brian L. Evans
Subject to the non-convex constraints due to the RIS phase shifts, we maximize the spectral efficiency or equivalent channel power as a proxy.
no code implementations • 2 May 2020 • Junmo Sung, Brian L. Evans
To support millimeter wave (mmWave) frequency bands in cellular communications, both the base station and the mobile platform utilize large antenna arrays to steer narrow beams towards each other to compensate the path loss and improve communication performance.
1 code implementation • 2 Oct 2019 • Faris B. Mismar, Ahmad AlAmmouri, Ahmed Alkhateeb, Jeffrey G. Andrews, Brian L. Evans
Our proposed classifier-based band switching policy instead exploits spatial and spectral correlation between radio frequency signals in different bands based on knowledge of the UE location.
2 code implementations • 13 Aug 2018 • Faris B. Mismar, Jinseok Choi, Brian L. Evans
In this paper, we formulate cellular network performance tuning as a reinforcement learning (RL) problem and provide a solution to improve the performance for indoor and outdoor environments.
no code implementations • 10 Jul 2017 • Faris B. Mismar, Brian L. Evans
We propose a reinforcement learning (RL) based closed loop power control algorithm for the downlink of the voice over LTE (VoLTE) radio bearer for an indoor environment served by small cells.
no code implementations • 10 Jul 2017 • Faris B. Mismar, Brian L. Evans
We propose an algorithm to automate fault management in an outdoor cellular network using deep reinforcement learning (RL) against wireless impairments.
1 code implementation • 30 Aug 2016 • Faris B. Mismar, Brian L. Evans
We propose a method for downlink coordinated multipoint (DL CoMP) in heterogeneous fifth generation New Radio (NR) networks.
no code implementations • 7 Jun 2013 • Marcel Nassar, Philip Schniter, Brian L. Evans
We propose a novel receiver for orthogonal frequency division multiplexing (OFDM) transmissions in impulsive noise environments.