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Artigo Acesso aberto

Hisham Zorghani, Ivica Kostanic,

... narrowband and were mainly developed for voice communication.Push-to-Talk is a multicast (group call) half-duplex type ... offers.This paper proposes an analytical model of Push-to-Talk over LTE networks to study their performance by ... to improve the Grade of Service (GOS) of Push-to-Talk over LTE systems.

Tópico(s): Wireless Networks and Protocols

2019 - | Universal Journal of Communications and Network

Artigo Revisado por pares

Yanyan Zhang, Sheng Chang, Robert Wang, Yunkai Deng,

... focus are described, based on which an innovative push-to-talk (PTT) scheme is first put forward to solve ...

Tópico(s): Microwave Imaging and Scattering Analysis

2021 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Geoscience and Remote Sensing

Artigo

Sang Won Choi, Yong-Soo Song, Won-Yong Shin, Juyeop Kim,

... article, we study feasibility issues of mission-critical push-to-talk (MCPTT), which is an evolution of a group ...

Tópico(s): Opportunistic and Delay-Tolerant Networks

2019 - Institute of Electrical and Electronics Engineers | IEEE Communications Magazine

Artigo Acesso aberto Revisado por pares

Aitor Sanchoyerto, Rubén Solozabal, Bego Blanco, Fidel Liberal,

... from 4G architectures toward 5G on mission critical push-to-talk (MCPTT) key performance indicators (KPIs). This paper focuses ...

Tópico(s): IoT Networks and Protocols

2019 - Institute of Electrical and Electronics Engineers | IEEE Access

Artigo Acesso aberto Revisado por pares

Rubén Solozabal, Aitor Sanchoyerto, Eneko Atxutegi, Bego Blanco, José Oscar Fajardo, Fidel Liberal,

... 5G ETSI MEC-based architecture for mission-critical push-to-talk (MCPTT) services. The proposal suggests a hierarchical distributed ...

Tópico(s): IoT Networks and Protocols

2018 - Institute of Electrical and Electronics Engineers | IEEE Access

Artigo Revisado por pares

Lin-Huang Chang, Chih‐Hsuan Sung, Huang Chu, Jiun‐Jian Liaw,

Push-to-talk (PTT) is a walkie-talkie like service which performs an efficient and instant voice over Internet ...

Tópico(s): Opportunistic and Delay-Tolerant Networks

2009 - Institution of Engineering and Technology | IET Communications

Artigo Revisado por pares

J.-F. Lin, Ai‐Chun Pang, Yung‐Chi Wang,

... paper proposes iPTT, a peer‐to‐peer (P2P) Push‐to‐Talk (PTT) service for Voice over IP (VoIP). In ...

Tópico(s): Peer-to-Peer Network Technologies

2008 - Wiley | Wireless Communications and Mobile Computing

Artigo Acesso aberto Revisado por pares

Meng‐Hsun Tsai, Yi‐Bing Lin,

Push-to-talk over cellular (PoC) is a ldquowalkie- talkie-likerdquo service designed for mobile networks. In this service, ...

Tópico(s): Wireless Networks and Protocols

2008 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Wireless Communications

Artigo Revisado por pares

Chai‐Hien Gan, Yi‐Bing Lin,

Push to talk (PTT) is a walkie-talkie like service. In this service, several predefined group members participate in ...

Tópico(s): Opportunistic and Delay-Tolerant Networks

2007 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Intelligent Transportation Systems

Artigo Revisado por pares

Lin‐Yi Wu, Meng‐Hsun Tsai, Yi‐Bing Lin, Jen‐Shun Yang,

... This paper proposes a client architecture for the push to talk over cellular (PoC) service based on the open ...

Tópico(s): Wireless Networks and Protocols

2006 - Wiley | Wireless Communications and Mobile Computing

Artigo

Veton Këpuska, Jason Breitfeller,

... shift is a radical departure from the current "push-to-talk" paradigm currently applied to all speech-to-text ... Voice Activated applications utilizing the current solution without "push-to-talk" paradigm. The technique has been developed with hardware ...

Tópico(s): Speech and dialogue systems

2006 - SPIE | Proceedings of SPIE, the International Society for Optical Engineering/Proceedings of SPIE

Artigo

Luiz A. DaSilva, Gwyn Morgan, C.W. Bostian, D.G. Sweeney, Scott F. Midkiff, Jeffrey H. Reed, Charles Thompson, W.G. Newhall, B.D. Woerner,

Push-to-talk (PTT) technologies date back to the advent of the telegraph and more recently have been the ...

Tópico(s): Wireless Communication Networks Research

2006 - Institute of Electrical and Electronics Engineers | IEEE Communications Magazine

Artigo Revisado por pares

Margaret H. Szymanski, Erik Vinkhuyzen, Paul M. Aoki, Allison Woodruff,

... study investigates the organization of conversational interaction via push-to-talk mobile radios. Operating like long-range walkie-talkies, ...

Tópico(s): Speech and dialogue systems

2006 - Cambridge University Press | Language in Society

Artigo Revisado por pares

Yonghyuck Kim, Younghan Kim, Namhi Kang,

We propose a distributed Push-to-Talk (PTT) system model to support a one-to-many multimedia content distribution service. We also present a home-monitoring service ...

Tópico(s): Peer-to-Peer Network Technologies

2010 - Institute of Electrical and Electronics Engineers | IEEE Transactions on Consumer Electronics

Artigo Revisado por pares

Muhammad T. Alam, Zheng Wu,

Abstract The PoC (push‐to‐talk over cellular) application allows point‐to‐point or point‐to‐multipoint voice communication between mobile network users. The related ...

Tópico(s): Advanced MIMO Systems Optimization

2007 - Wiley | International Journal of Network Management

Artigo Revisado por pares

Collin Brady, Sumit Roy,

In this letter, we investigate Mission Critical Push-to-Talk (MCPTT) communications used by emergency first responders that are currently migrating from legacy trunked digital Land Mobile Radio (LMR) systems to Fourth Generation ( ...

Tópico(s): Wireless Networks and Protocols

2020 - Institute of Electrical and Electronics Engineers | IEEE Wireless Communications Letters

Artigo Revisado por pares

Yi‐Bing Lin, Chun‐Chieh Wang, Chih‐Hung Lu, Miao‐Ru Hsu,

... This paper describes a conformance test tool for push‐to‐talk over cellular network developed on an Open Mobile ...

Tópico(s): Network Traffic and Congestion Control

2007 - Wiley | Wireless Communications and Mobile Computing

Artigo Revisado por pares

Yanyan Zhang, Ruwei Zhang, Robert Wang, Heng Zhang,

... several factors, especially clock synchronization. Recently, an innovative push-to-talk (PTT) scheme was proposed to tackle the clock ...

Tópico(s): Inertial Sensor and Navigation

2022 - Institute of Electrical and Electronics Engineers | IEEE Geoscience and Remote Sensing Letters

Artigo Acesso aberto Revisado por pares

Jani Suomalainen, Jukka Julku, Mikko Vehkaperä, Harri Posti,

... commercial infrastructure, and mission-critical applications, starting from push-to-talk and group video communication and leading to situational- ...

Tópico(s): Network Security and Intrusion Detection

2021 - IEEE Communications Society | IEEE Open Journal of the Communications Society

Artigo Acesso aberto Revisado por pares

Ioannis P. Chochliouros, Anastasia S. Spiliopoulou, Pavlos I. Lazaridis, Zaharias D. Zaharis, Maria-Rita Spada, J. Pérez-Romero, Bego Blanco, Hicham Khalifé, Ehsan Ebrahimi Khaleghi, Michail‐Alexandros Kourtis,

... use case, able to offer a mission critical push-to-talk service as well as a Chat and Localisation ...

Tópico(s): IoT Networks and Protocols

2021 - Springer Science+Business Media | Wireless Personal Communications

Artigo Acesso aberto

Arie Kouwen, Mark Scanlon, Kim–Kwang Raymond Choo, Nhien‐An Le‐Khac,

... these devices also integrate with smartphones, which delivers Push-To-Talk services that make it possible to setup connections ...

Tópico(s): Digital Media Forensic Detection

2018 - Elsevier BV | Digital Investigation

Artigo Acesso aberto Revisado por pares

Jinchuan Tang, Gaojie Chen, Justin P. Coon,

Recently, the mission-critical push-to-talk (MCPTT) system has emerged as the new broadband technology for public safety networks. In this paper, we propose a route ...

Tópico(s): Cooperative Communication and Network Coding

2018 - Institute of Electrical and Electronics Engineers | IEEE Systems Journal

Artigo Acesso aberto Revisado por pares

Abhaykumar Kumbhar, Farshad Koohifar, İsmail Güvenç, B.D. Mueller,

... LMRS-LTE convergence as well as mission-critical push-to-talk over LTE. A simulation study of LMRS and ...

Tópico(s): Wireless Body Area Networks

2016 - Institute of Electrical and Electronics Engineers | IEEE Communications Surveys & Tutorials

Artigo Revisado por pares

Zhibin Wu, Vincent D. Park, Junyi Li,

... D2D) broadcast capability that can enable off-network push-to-talk (PTT) group communications in a manner equivalent to ...

Tópico(s): Wireless Networks and Protocols

2015 - Institute of Electrical and Electronics Engineers | IEEE Journal on Selected Areas in Communications

Artigo

R. Ferrús, Rafal Pisz, O. Sallent, Gianmarco Baldini,

... rich set of voice-centric services [e.g., push-to-talk (PTT) group calls] but have very limited data ...

Tópico(s): Power Line Communications and Noise

2013 - Institute of Electrical and Electronics Engineers | IEEE Vehicular Technology Magazine

Artigo Revisado por pares

Nikos Dimitriou, A. Polydoros, Ahmed Barnawi,

... of the network to carry delay-sensitive applications (push-to-talk voice, streaming video) in uninterrupted manner. It is ...

Tópico(s): Wireless Networks and Protocols

2013 - Elsevier BV | Ad Hoc Networks

Artigo Acesso aberto

Ahmed Barnawi,

... of Services (QoS) like multiple sessions per call, Push to Talk etc often requiring multiple types of media (including ...

Tópico(s): Cloud Computing and Remote Desktop Technologies

2012 - | International Journal of Software Engineering & Applications

Artigo Revisado por pares

Yi‐Bing Lin, Meng‐Hsun Tsai, Yuan‐Kuang Tu,

... can be resolved by the emergency call and push-to-talk over cellular services in IP Multimedia Subsystem. This ...

Tópico(s): Wireless Networks and Protocols

2011 - Institute of Electrical and Electronics Engineers | IEEE Wireless Communications

Artigo Revisado por pares

Jamie C. Gorman, Nancy J. Cooke, Polemnia G. Amazeen, Shannon Fouse,

... 40-minute missions. Because team members communicated using push-to-talk buttons, communication sequences were automatically generated during each ...

Tópico(s): Neural Networks and Applications

2011 - SAGE Publishing | Human Factors The Journal of the Human Factors and Ergonomics Society

Artigo Revisado por pares

Sangkyu Baek, Jung Je Son, Bong Dae Choi,

Tópico(s): Advanced MIMO Systems Optimization

2010 - Springer Science+Business Media | Telecommunication Systems