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Search Publications by: Yishen Sun (Fed)

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Displaying 1 - 8 of 8

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

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

PSCR 2020_ LMR Data Collection for Traffic Modeling

October 29, 2020
Author(s)
Christopher D. Dennis, Yishen Sun
The Land Mobile Radio (LMR) Data Collection Project creates a database of Public Safety (PS) LMR usage for traffic/call modeling. The generated models are used by telecom providers and PS entities for future technology deployments (e.g., LTE and 5G). This

Access Time Analysis of MCPTT Off-Network Mode over LTE

April 2, 2019
Author(s)
Yishen Sun, Wesley D. Garey, Richard A. Rouil, Priam C. Varin
Public Safety organizations around the world started migrating toward Long Term Evolution (LTE) networks to support the increasing needs for video and data. To address the unique requirements of first responders, the Third 3rd Generation Partnership

2018 Stakeholder Meeting Presentations, Day 3, Room 29ABCD

October 16, 2018
Author(s)
Richard A. Rouil, Antonio Izquierdo Manzanares, Paul Sutton, Seun Sangodoyin, Andreas Molisch, Richard Lau, William Johnson, Heechang Kim, Eric Beck, Fidel Liberal, Jani Lyrintzis, Terry Costa, Yishen Sun, Wesley D. Garey