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Search Publications by: Richard A. Rouil (Fed)

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Displaying 1 - 25 of 63

System-Level Evaluation of 5G NR UE-Based Relays

December 25, 2023
Author(s)
Samantha Gamboa Quintiliani, Aziza Ben Mosbah, Wesley Garey, Chunmei Liu, Richard A. Rouil
The notion of UE-based relays started with the introduction of Proximity Services (ProSe) and Device-to-Device (D2D) communication, and evolved with the adaptation of the Fifth Generation (5G) New Radio (NR) interface. While the main goal of relays is to

O-RAN with Machine Learning in ns-3

December 11, 2023
Author(s)
Wesley Garey, Tanguy Ropitault, Richard A. Rouil, Evan Black, Weichao Gao
The Open Radio Access Network (O-RAN) Alliance is an industryled standardization effort, with the main objective of evolving the Radio Access Network (RAN) to be open, intelligent, interoperable, and autonomous to support the ever growing need of improved

O-RAN with Machine Learning in ns-3

June 28, 2023
Author(s)
Wesley Garey, Richard A. Rouil, Evan Black, Tanguy Ropitault, Weichao Gao
The Open Radio Access Network (O-RAN) Alliance is the industry led standardization effort, with the sole purpose of evolving the Radio Access Network (RAN) to be more open, intelligent, interoperable, and autonomous to support the ever growing need of

5G New Radio Sidelink Link-Level Simulator and Performance Analysis

October 24, 2022
Author(s)
Peng Liu, Chen Shen, Chunmei Liu, Fernando Cintron, Lyutianyang Zhang, Liu Cao, Richard A. Rouil, Sumit Roy
Since the Third Generation Partnership Project (3GPP) specified 5G New Radio (NR) sidelink in Release 16, researchers have been expressing increasing interest in sidelink in various research areas, such as Proximity Services (ProSe) and Vehicle-to

2019 Public Safety Broadband Stakeholder Presentations by NIST Authors

October 25, 2021
Author(s)
Richard A. Rouil, Tom Henderson, Marco Mezzavilla, Michele Polese, Jaden Pieper, Chunmei Liu, Silas Thompson, David W. Griffith, Christopher Walton, Christopher D. Dennis, Fabio C. da Silva, John S. Garofolo, James M. Horan, Samuel Hood, Julie Stroup, Christine Task, Terese Manley, Sam Ray, Alison Kahn, Maxwell Maurice, Hien V. Nguyen, Frederick R. Byers, Kristen K. Greene, Mary Theofanos, Yee-Yin Choong, Sandra Spickard Prettyman, Pamela J. Konkol, Jeffrey Cichonski, Bill Fisher, Gema Howell, Mike Dolan, Adam Lewis, Michael Ogata, John Beltz, Michael Bartock, Sarah Hughes, Santosh Rajvaidya, Craig Connelly, Scott Ledgerwood, Megan Waldock, Dereck R. Orr, Donald Bradshaw, Jeb Benson
2019 Public Safety Broadband Stakeholder Presentations by NIST Authors

Modeling Public Safety Communication Scenarios: School Shooting Incident

October 15, 2021
Author(s)
Richard A. Rouil, Antonio Izquierdo Manzanares, Chunmei Liu, Wesley Garey
Public safety practitioners performing day-to-day activities and responding to incidents communicate in ways that are very different from the general public. In order to determine if a particular technology or network deployment can meet the performance

Modeling MCPTT and User Behavior in ns-3

September 9, 2021
Author(s)
Wesley Garey, Thomas Henderson, Yishen Sun, Richard A. Rouil, Samantha Gamboa Quintiliani
To support the advancement of public safety communications technology, the Third Generation Partnership Project (3GPP) has created several standards to define Mission Critical Push-To-Talk (MCPTT) over Long Term Evolution (LTE) networks. As this is a new

NetSimulyzer: A 3D Network Simulation Analyzer for ns-3

July 16, 2021
Author(s)
Evan Black, Samantha Gamboa Quintiliani, Richard A. Rouil
The increased complexity of network protocols and scenarios simulated using ns-3 is making the verification of simulation correctness and the analysis of simulation outputs a challenging task. In this paper, we present a new and flexible visualization tool

NetSimulyzer: a 3D Network Simulation Analyzer for ns-3

June 23, 2021
Author(s)
Evan Black, Samantha Gamboa Quintiliani, Richard A. Rouil
The increased complexity of network protocols and scenarios simulated using ns-3 is making the verification of simulation correctness and the analysis of simulation outputs a challenging task. In this paper, we present a new and flexible visualization tool

3GPP NR V2X Mode 2: Overview, Models and System-level Evaluation

June 21, 2021
Author(s)
Zoraze Ali, Sandra Lagen, Lorenza Giupponi, Richard A. Rouil
Following the successful use of sidelink in Long Term Evolution (LTE) for Proximity Services (ProSe) and Cellular Vehicular-to-everything (C-V2X), the 3rd Generation Partnership Project (3GPP) is working towards its evolution in New Radio (NR) systems in

Study of 5G New Radio (NR) Support for Direct Mode Communications

May 7, 2021
Author(s)
Fernando Cintron, David W. Griffith, Chunmei Liu, Richard A. Rouil, Yishen Sun, Jian Wang, Peng Liu, Chen Shen, Aziza Ben Mosbah, Samantha Gamboa Quintiliani
In public safety communications, direct mode communication is essential to keep first responders connected, especially when there is no network coverage. Direct mode communication is supported in Third Generation Partnership Project (3GPP) Long Term

A Comprehensive Analysis on Multicast and Unicast Performance and Selection

April 14, 2021
Author(s)
Chen Shen, Chunmei Liu, Richard A. Rouil
Multicast transmission has long been studied along with its evolved standards, but few work provides comprehensive comparisons to Long Term Evolution (LTE) unicast transmissions. With focus on LTE Multicast Broadcast Single Frequency Network (MBSFN)

UE-to-Network Relay Model B Discovery in ProSe-Enabled LTE Networks

April 6, 2021
Author(s)
Alexandre C. Moreaux, Samantha Gamboa Quintiliani, David W. Griffith, Richard A. Rouil
In this paper, we expand previous analytical models to offer a more complete representation of Model B ProSe direct discovery. Using these models, we can obtain performance metrics such as the average time a given Remote User Equipment (UE) takes to

Evaluation of Timers Related to ProSe-based UE-to-Network Relays

March 24, 2021
Author(s)
Aziza Ben Mosbah, Samantha Gamboa Quintiliani, Richard A. Rouil
User Equipment (UE)-to-Network Relay functionality was introduced in Release 13 of the Third Generation Partnership Project (3GPP) Long Term Evolution (LTE) to extend and improve user connectivity using the sidelink (SL) channels. The UE-to-Network Relay

Study of Multicast Broadcast Single Frequency Network Area in Multicast Communication

December 15, 2020
Author(s)
Chen Shen, Chunmei Liu, Richard A. Rouil, Hyeong Ah-Choi
Multicast was introduced in Long-Term Evolution (LTE) in release 8 as the technology of the Evolved Multimedia Broadcast Multicast Services (eMBMS) and has been steadily updated in the later releases. Its prominent advantage in full resource access of each

PSCR 2020_The Evolution of Direct Mode in 3GPP

October 29, 2020
Author(s)
Richard A. Rouil
Direct Mode communication remains one of the major hurdles for transitioning from Land Mobile Radio (LMR) to broadband technology. This session will start by providing some background information on 3GPP Long Term Evolution (LTE) direct mode, called

Evaluating Unicast and MBSFN in Public Safety Networks

September 3, 2020
Author(s)
Chunmei Liu, Chen Shen, Jack Chuang, Richard A. Rouil, Hyeong-Ah Choi
Public safety incidents typically involve a significant amount of group traffic and have a stringent requirement of connection reliability. Hence multicast could potentially improve network and user performance significantly, which triggered our study on

UE-to-Network Relay Discovery in ProSe-enabled LTE Networks

March 30, 2020
Author(s)
Samantha M. Gamboa Quintiliani, Alexandre C. Moreaux, David W. Griffith, Richard A. Rouil
The UE-to-Network Relay functionality was introduced to Long Term Evolution (LTE) cellular networks in Release 13. In this technology, User Equipment (UEs) acting as Relay UEs are used to extend network coverage to cell-edge and out-of-coverage Remote UEs

On Selecting Channel Parameters for Public Safety Network Applications in LTE Direct

March 26, 2020
Author(s)
Siyuan Feng, Hyong-Ah Choi, David W. Griffith, Richard A. Rouil
The Third Generation Partnership Project (3GPP) defines various pre-configured channel parameters for the Long- Term Evolution (LTE) Device-to-Device (D2D) communications with Physical Sidelink (SL) Channels. In this paper, we investigate the impacts of