The Experts below are selected from a list of 15852 Experts worldwide ranked by ideXlab platform
Apostolis K Salkintzis - One of the best experts on this subject based on the ideXlab platform.
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evolving Public Safety Communication systems by integrating wlan and tetra networks
IEEE Communications Magazine, 2006Co-Authors: Apostolis K SalkintzisAbstract:This article contributes to the evolution of Public Safety Communication systems by specifying a novel solution for integrating WLAN and Terrestrial Trunked Radio (TETRA) networks. The specified solution allows TETRA terminals to interface to the TETRA Switching and Management Infrastructure (SwMI) over a broadband WLAN radio access network, instead of the conventional narrowband TETRA radio network. These terminals are fully interoperable with conventional TETRA terminals and can employ all TETRA services, including group calls, short data messaging, packet data, and so forth. In addition, however, such terminals can support a range of brand new capabilities enabled by the WLAN, such as broadband data services, true concurrent voice and data services, simultaneous reception of many group calls, reduced call setup and voice transmission delays, improved voice quality, and so forth. The specified solution is solely based on IP multicast and Voice-over-IP (VoIP) technologies and thus fits ideally to the all-IP architecture being introduced by the MESA project for the next generation of Public Safety and disaster relief Communication systems.
Reggiani L. - One of the best experts on this subject based on the ideXlab platform.
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Surveying pervasive Public Safety Communication technologies in the context of terrorist attacks
'Elsevier BV', 2020Co-Authors: Masood A., Scazzoli D., Sharma N., Moullec Y. L., Ahmad R., Reggiani L., Magarini M., Alam M. M.Abstract:Existing Public Safety networks (PSNs) are not designed to cope with disasters such as terrorist attacks, consequently leading to long delays and intolerable response times. First responders’ life threats when accessing the attacked zone are more severe in comparison to other disasters and the accuracy of basic information such as the number of terrorists, the number of trapped people, their locations and identity, etc., is vital to the reduction of the response time. Recent technologies for PSNs are designed to manage natural disaster scenarios; these are not best suited for situations like terrorist attacks because a proper Communication infrastructure is required for operating most of the classical PSNs. This serious concern makes it highly desirable to develop reliable and adaptive pervasive Public Safety Communication technologies to counter such a kind of emergency situation. Device-to-device (D2D) Communication can be a vital paradigm to design PSNs that are fit for dealing with terrorist attacks thanks to long-term evolution (LTE)-sidelink, which could allow the devices that people carry with themselves in the attacked zone to communicate directly. To our best knowledge, this is the first survey paper on Public Safety Communication in the context of terrorist attacks. We discuss PSN scenarios, architectures, 3rd generation partnership project (3GPP) standards, and recent or ongoing related projects. We briefly describe a system architecture for disseminating the critical information, and we provide an extensive literature review of the technologies that could have a significant impact in Public Safety scenarios especially in terrorist attacks, such as beamforming and localization for unmanned aerial vehicles (UAVs), LTE sidelink for both centralized (base-station assisted) and decentralized (without base-station) architectures, multi-hop D2D routing for PSN, and jamming and anti-jamming in mobile networks. Furthermore, we also cover the channel models available in the literature to evaluate the performance of D2D Communication in different contexts. Finally, we discuss the open challenges when applying these technologies for PSN
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A Primer On Public Safety Communication in the Context of Terror Attacks: The NATO SPS “COUNTER-TERROR” Project
2019Co-Authors: Alam M. M., Magarini M., Le Moullec Y., Ahmadm R., Reggiani L.Abstract:Terrorism is emerging as one of the most serious threats worldwide. Terrorist attacks are becoming more coordinated, sophisticated and hence more devastating. One of the important reasons for higher casualities is the “sluggish response time”. In some of the recent attacks, police and law enforcement agencies even after many hours were unable to have some of the basic information such as how many people are inside the attacked premises, the number of seriously injured persons, the number of terrorists, what their location is and so on. So, one of the most important questions is “How to provide the fundamental information to Public Safety agencies as quickly as possible to reduce the response time following terrorist attacks”? The NATO – Science for Peace (SPS) “COUNTER-TERROR” G5482 project (2019–2021) presented in this paper investigates and proposed innovative ideas and solutionsto address this question from an information and Communication technology viewpoint, including the establishment of secure D2D Communication networks to quickly gather information and the use of UAVs to discover and localize weak signals. It is envisioned that “connecting” the on-scene available (OS-A) heterogeneous devices (through multi-hop device-to-device (D2D) Communication) to the nearest mobile deployed command center in an efficient way cannot only rapidly disseminate fundamental information but also aid in significantly reducing the response times and, consequently, many lives and infrastructure. The objectives of this project are to design and evaluate efficient heterogeneous resource management by adaptive power control, throughput enhancement and interference management for device-to-device (D2D) Communication. The originality is to exploit machine learning (ML) techniques to improve the existing state of the art. Further, the use of unmanned aerial vehicle (UAV) for weak signal detection and devices accurate position evaluation is an important objective. The deployed setup with UAV assisted connectivity is one of the novel contributions of this project. In addition, context aware and reliable D2D multi-hop routing and network connections to ensure high end-to-end throughout and low end-to-end energy consumption and delay is another core objective. In order to enable the emergence of future pervasive Communication systems enabling life-critical, Public Safety and preparedness, D2D Communication can be realized both in licensed (driven by cellular spectrum) and un-licensed spectrums (used by other wireless technologies e.g., WiFi Direct, long term evolution (LTE) Direct, Bluetooth). In the licensed spectrum, smart phones can connect through LTE-A and can create multi-hop Communication by exploiting UAVs (i.e., relay nodes). Whereas, in the unlicensed spectrum, smartphones can connect through WiFi Direct, LTE Direct, or LTE-U. The fundamental aspect of this work is to connect the devices (i.e., establish and maintain reliable connections) in harsh environments and existing works have to be extended and tested so that they can deal with such conditions. So far, there have been only a few research projects specific to the context of terrorist attacks. To enable future pervasive Public Safety Communication systems, this work will foster the vision to achieve beyond state-of-the-art ambitious, highly innovative and challenging research and development goals. For the given context, in particular, connecting the OS-A devices in an efficient way to optimize their heterogeneous resources and improve reliability is key factor to the innovation of the proposed system. By implementing the proposed D2D-based solution, the average response time shall be reduced by an average of 8 to 10 times. The direct positive consequences are that more lives will be saved, the number and severity of injuries will be reduced, and damages to infrastructure will be decreased
Alam M. M. - One of the best experts on this subject based on the ideXlab platform.
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Surveying pervasive Public Safety Communication technologies in the context of terrorist attacks
'Elsevier BV', 2020Co-Authors: Masood A., Scazzoli D., Sharma N., Moullec Y. L., Ahmad R., Reggiani L., Magarini M., Alam M. M.Abstract:Existing Public Safety networks (PSNs) are not designed to cope with disasters such as terrorist attacks, consequently leading to long delays and intolerable response times. First responders’ life threats when accessing the attacked zone are more severe in comparison to other disasters and the accuracy of basic information such as the number of terrorists, the number of trapped people, their locations and identity, etc., is vital to the reduction of the response time. Recent technologies for PSNs are designed to manage natural disaster scenarios; these are not best suited for situations like terrorist attacks because a proper Communication infrastructure is required for operating most of the classical PSNs. This serious concern makes it highly desirable to develop reliable and adaptive pervasive Public Safety Communication technologies to counter such a kind of emergency situation. Device-to-device (D2D) Communication can be a vital paradigm to design PSNs that are fit for dealing with terrorist attacks thanks to long-term evolution (LTE)-sidelink, which could allow the devices that people carry with themselves in the attacked zone to communicate directly. To our best knowledge, this is the first survey paper on Public Safety Communication in the context of terrorist attacks. We discuss PSN scenarios, architectures, 3rd generation partnership project (3GPP) standards, and recent or ongoing related projects. We briefly describe a system architecture for disseminating the critical information, and we provide an extensive literature review of the technologies that could have a significant impact in Public Safety scenarios especially in terrorist attacks, such as beamforming and localization for unmanned aerial vehicles (UAVs), LTE sidelink for both centralized (base-station assisted) and decentralized (without base-station) architectures, multi-hop D2D routing for PSN, and jamming and anti-jamming in mobile networks. Furthermore, we also cover the channel models available in the literature to evaluate the performance of D2D Communication in different contexts. Finally, we discuss the open challenges when applying these technologies for PSN
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A Primer On Public Safety Communication in the Context of Terror Attacks: The NATO SPS “COUNTER-TERROR” Project
2019Co-Authors: Alam M. M., Magarini M., Le Moullec Y., Ahmadm R., Reggiani L.Abstract:Terrorism is emerging as one of the most serious threats worldwide. Terrorist attacks are becoming more coordinated, sophisticated and hence more devastating. One of the important reasons for higher casualities is the “sluggish response time”. In some of the recent attacks, police and law enforcement agencies even after many hours were unable to have some of the basic information such as how many people are inside the attacked premises, the number of seriously injured persons, the number of terrorists, what their location is and so on. So, one of the most important questions is “How to provide the fundamental information to Public Safety agencies as quickly as possible to reduce the response time following terrorist attacks”? The NATO – Science for Peace (SPS) “COUNTER-TERROR” G5482 project (2019–2021) presented in this paper investigates and proposed innovative ideas and solutionsto address this question from an information and Communication technology viewpoint, including the establishment of secure D2D Communication networks to quickly gather information and the use of UAVs to discover and localize weak signals. It is envisioned that “connecting” the on-scene available (OS-A) heterogeneous devices (through multi-hop device-to-device (D2D) Communication) to the nearest mobile deployed command center in an efficient way cannot only rapidly disseminate fundamental information but also aid in significantly reducing the response times and, consequently, many lives and infrastructure. The objectives of this project are to design and evaluate efficient heterogeneous resource management by adaptive power control, throughput enhancement and interference management for device-to-device (D2D) Communication. The originality is to exploit machine learning (ML) techniques to improve the existing state of the art. Further, the use of unmanned aerial vehicle (UAV) for weak signal detection and devices accurate position evaluation is an important objective. The deployed setup with UAV assisted connectivity is one of the novel contributions of this project. In addition, context aware and reliable D2D multi-hop routing and network connections to ensure high end-to-end throughout and low end-to-end energy consumption and delay is another core objective. In order to enable the emergence of future pervasive Communication systems enabling life-critical, Public Safety and preparedness, D2D Communication can be realized both in licensed (driven by cellular spectrum) and un-licensed spectrums (used by other wireless technologies e.g., WiFi Direct, long term evolution (LTE) Direct, Bluetooth). In the licensed spectrum, smart phones can connect through LTE-A and can create multi-hop Communication by exploiting UAVs (i.e., relay nodes). Whereas, in the unlicensed spectrum, smartphones can connect through WiFi Direct, LTE Direct, or LTE-U. The fundamental aspect of this work is to connect the devices (i.e., establish and maintain reliable connections) in harsh environments and existing works have to be extended and tested so that they can deal with such conditions. So far, there have been only a few research projects specific to the context of terrorist attacks. To enable future pervasive Public Safety Communication systems, this work will foster the vision to achieve beyond state-of-the-art ambitious, highly innovative and challenging research and development goals. For the given context, in particular, connecting the OS-A devices in an efficient way to optimize their heterogeneous resources and improve reliability is key factor to the innovation of the proposed system. By implementing the proposed D2D-based solution, the average response time shall be reduced by an average of 8 to 10 times. The direct positive consequences are that more lives will be saved, the number and severity of injuries will be reduced, and damages to infrastructure will be decreased
L Reggiani - One of the best experts on this subject based on the ideXlab platform.
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a primer on Public Safety Communication in the context of terror attacks the nato sps counter terror project
2020Co-Authors: Muhammad Mahtab Alam, Yannick Le Moullec, Rizwan Ahmad, Maurizio Magarini, L ReggianiAbstract:Terrorism is emerging as one of the most serious threats worldwide. Terrorist attacks are becoming more coordinated, sophisticated and hence more devastating. One of the important reasons for higher casualities is the “sluggish response time”. In some of the recent attacks, police and law enforcement agencies even after many hours were unable to have some of the basic information such as how many people are inside the attacked premises, the number of seriously injured persons, the number of terrorists, what their location is and so on.
Xing Zhang - One of the best experts on this subject based on the ideXlab platform.
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privacy enhanced key agreement for Public Safety Communication in wireless mesh networks
Journal of Networks, 2011Co-Authors: Qian Wei, Xing ZhangAbstract:With the requirements of mobility, flexibility, and rapid response, wireless mesh networks are widely used for emergency services to improve the efficiency of Public Safety Communication to prevent or respond to incidents that harm or endanger persons or property. In this paper, we propose a practical scheme of key agreement with asymmetric encryption based on station-to-station protocol and a privacy enhanced scheme of key agreement with directed signature using the elliptic curve ElGamal cryptography for Public Safety Communication in wireless mesh networks. In the result, only both participants can gain the shared secret key, however, any party else can not understand the key agreement process clearly. We analyze the properties of security and efficiency of the privacy enhanced scheme of key agreement in comparison to the station-to-station protocol and the practical scheme of key agreement with asymmetric encryption. The results of experiment show that the privacy enhanced scheme of key agreement can provide resistance to the unknown key-share attacks, privacy protection for sensitive information included in signature and better efficiency in terms of computational cost.
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Behavioral Modeling for Public Safety Communication in Wireless Mesh Networking
2010 6th International Conference on Wireless Communications Networking and Mobile Computing (WiCOM), 2010Co-Authors: Qian Wei, Xing ZhangAbstract:Accompanying dramatic advances in wireless Mesh networking, the demand for advanced mechanisms to employ wireless Mesh networks in Public Safety continues to grow. However, this special field Communication brings new security challenges. In this paper, we import the expectancy-value theory in cognitive psychology to behavioral evaluation of node and propose a behavioral model named NODE EYE for Public Safety Communication in wireless Mesh networks and exercise the model to reason a variation of station-to-station key agreement protocol. We contend that our model facilitates reasoning about protocols designed for Public Safety by integrating the behavioral trust and cryptographic aspects of Communication in the special field. We illustrate our concept by introducing the key agreement to support the special Communication cases associated with the Public Safety.
