Modeling and Simulation Analysis of the Physical Sidelink Shared Channel (PSSCH)

Griffith, David; Cintrón, Fernando J.; Galazka, Aneta; Hall, Timothy A.; Rouil, Richard

doi:10.1109/icc.2018.8422164

Cited by 7 publications

(8 citation statements)

References 8 publications

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“…In this work, multiple devices were considered but conservative assumptions were made regarding the channel effects. A follow-up work by Griffith et al was done to evaluate data transmissions over the shared channel [15] and a similar work was completed by Cipriano and Panaitopol [16]. The results of those contributions can help operators allocate resources based on a desired performance target but do not consider end-to-end performance metrics such as latency.…”

Section: Introductionmentioning

confidence: 99%

Access Time Analysis of MCPTT Off-Network Mode over LTE

Sun

Garey

Rouil

et al. 2019

Wireless Communications and Mobile Computing

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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 voice communication requirements of first responders, the 3rd Generation Partnership Project (3GPP) introduced new capabilities that aim at providing similar functionalities as the traditional Land Mobile Radio (LMR) systems, namely, Direct Mode communication and mission critical push-to-talk (MCPTT). Direct Mode communication, also called Proximity Services (ProSe), allows public safety users to communicate directly with each other regardless of the network status. MCPTT was the first mission critical service, and first application, standardized by 3GPP to provide both on- and off-network voice capability. Assessing the performance of those capabilities is critical to accelerate their deployment and adoption by first responders. In this study, we evaluate the performance of an off-network mode MCPTT device over ProSe by focusing on the access time, a measure of the delay incurred before a user can talk. We develop analytical models for various types of calls and verify the accuracy of the predicted access time using ns-3 simulations. We perform sensitivity analysis to show the validity of the models for various scenarios. Finally, we show how the models can be used to guide parameter configuration for both MCPTT and ProSe to optimize the performance.

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Section: Introductionmentioning

confidence: 99%

Access Time Analysis of MCPTT Off-Network Mode over LTE

Sun

Garey

Rouil

et al. 2019

Wireless Communications and Mobile Computing

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“…Works [4][5][6][7][8] focus their efforts on characterizing the performance of ProSe alone. In [4], a thorough investigation is conducted that studies Block Error Rate (BLER) performance for the various ProSe channels at the physical layer.…”

Section: Introductionmentioning

confidence: 99%

“…While [5] considers many different deployment scenarios and the impact of various system parameters, it does not take into account the different applications that will use ProSe, e.g., mission critical applications. A mathematical model is presented in [6] that characterizes the likelihood of a UE receiving a message when multiple UEs are sharing the same channel. While [6] is thorough, it assumes any collisions that occur result in the loss of a message and does not consider the Signal-to-Interference-Plus-Noise Ratio (SINR) of the received message that could potentially be recovered, making it a very conservative approach.…”

Section: Introductionmentioning

confidence: 99%

“…A mathematical model is presented in [6] that characterizes the likelihood of a UE receiving a message when multiple UEs are sharing the same channel. While [6] is thorough, it assumes any collisions that occur result in the loss of a message and does not consider the Signal-to-Interference-Plus-Noise Ratio (SINR) of the received message that could potentially be recovered, making it a very conservative approach. In [7], an investigation of Mission Critical Pushto-Talk (MCPTT) Access Time is performed to analyze how soon a first responder should expect to gain access to the channel after a Push-to-Talk (PTT) request is made.…”

Section: Introductionmentioning

confidence: 99%

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Performance Evaluation of Proximity Services and Wi-Fi for Public Safety Mission Critical Voice Application

Garey

Sun

Rouil

2020

Wireless Communications and Mobile Computing

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Proximity Services (ProSe) and Wi-Fi are two promising technologies that may provide support for Mission Critical Voice (MCV) applications in remote and rural areas by enabling Device-to-Device (D2D) communication. In this paper, several performance metrics of ProSe and Wi-Fi are evaluated and compared side-by-side under various configurations. The ns-3 simulation results show that ProSe outperforms Wi-Fi in terms of coverage range and access time with a medium traffic load, while Wi-Fi has a shorter access time under a light traffic load. In addition, with various user densities, ProSe offers better coverage range and access time a majority of the time. The evaluation in this paper provides insights to first responders on what to expect with either technology and how to improve the performance by adjusting different system parameters.

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“…Due to the lack of coordination on the communication resources when the air interface is absent, direct communication can suffer from interference created by resource contending UEs. Griffith et al [3] and [4], modeled and evaluated the performance of direct communication's control and data channel, respectively, in mode 2 out-of-coverage, disclosing potential resource interference and channel inherited half duplex constrains.…”

Section: Introductionmentioning

confidence: 99%

Performance evaluation of LTE device-to-device out-of-coverage communication with frequency hopping resource scheduling

Cintron¹

2018

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This document presents a performance evaluation of Long Term Evolution (LTE) Deviceto-device (D2D) communication when enabling frequency hopping resource scheduling. Moreover, as secondary objective, this document serves as a compendium for frequency hopping related procedures over D2D communications as defined by The 3 rd Generation Partnership Project (3GPP) for the LTE standard. D2D communication is modeled and simulated using discrete event network simulator (ns-3). Simulated scenarios are designed to capture communication conditions occurring outside network infrastructure coverage, alike those experienced by authorized network users, such as public safety first responders, during network outages.

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Modeling and Simulation Analysis of the Physical Sidelink Shared Channel (PSSCH)

Cited by 7 publications

References 8 publications

Access Time Analysis of MCPTT Off-Network Mode over LTE

Access Time Analysis of MCPTT Off-Network Mode over LTE

Performance Evaluation of Proximity Services and Wi-Fi for Public Safety Mission Critical Voice Application

Performance evaluation of LTE device-to-device out-of-coverage communication with frequency hopping resource scheduling

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