Special Sessions

  • Special Session on «Communication Technologies for Wearables»

    Wearable devices open a new way to manage information. Good examples of wearable devices are Apple Watch, Google Glass and Microsoft HoloLens. Typical wearables platforms for designing and developing applications are smart watches, wristbands, fitness and healthcare devices, augmented reality devices, pet devices, and fabric-contained devices.

    Communications for wearables refer to the transfer of information between wearable devices and also with smart phones or tablets in a peer-to-peer fashion or client-server fashion. We aim to explore how we communicate with ourselves and with the world using wearable devices.

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    Special Session on «QoE in Networking»

    Quality of Experience gains increasing interest in the delivery of services and contents. The management of services and applications to improve the user-perceived quality requires incorporating QoE awareness in networking technologies, protocols, and algorithms. Recent trends in networking technologies like SDN or web browser advances like webRTC allow new possibilities for QoE in networking. Another paradigm is reflected by mobile cloud computing, i.e., many services and applications are migrated to the cloud, especially in the mobile domain. Proper QoE models and QoE monitoring mechanisms are fundamental for realizing QoE in networking, but also for the performance evaluation of such systems. A relevant aspect is to understand and reveal the reasons for bad QoE in the network. Such QoE troubleshooting and root cause analysis is an important step.

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    Special Session on «System, Synchronization and Security: The Trends with Chaos and Complexity»

    Chaos and complexity exist in many physical systems by nature or artificial generation in different dimensions, where, singularity can occur. For example, those are in signals generated by an oscillator, in the rhythms of heart beats, electroencephalogram signals, resource assessment in cloud computing, etc. More specifically, in physical, chaos and complexity occurs in different levels, the lowest at signal and the highest at system one. Besides, the interaction among systems creates much more complexity in compared with individuals, including synchronous phenomena.

    Investigation on phenomena as well as manners of complex systems by means of analyzing on signals and systems are of interest by scientists due to understand intended objects, also to exploit objects’ characteristics for application. So, far, predominant applications of chaos and complexity are in medical diagnosis, modulation and secure communications, cryptography, explanation for economic tendency, detection of outlier in cloud computing, etc. Obviously, the knowledge in deep about objects is essential base for application developments

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    Special Session on «Advances on Physical Layer Security for Wireless Communication Networks»

    Security is a critical issue in wireless networks due to the broadcast nature of wireless communications. This applies in particular to advanced wireless communication networks such as cooperative relaying networks, cognitive radio networks, cognitive cooperative radio networks, decentralized wireless networks, and multi-tier cellular networks. While conventional cryptographic techniques are typically adapted in the upper protocol layers, physical layer security techniques utilize physical layer characteristics such as fading or interference to facilitate a more secure transmission of confidential information. In particular, physical layer security deals with the theoretical analysis, methods, and techniques for increasing the amount of information that can be securely transmitted in the presence of an eavesdropper or attacks.

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    Special Session on «Advanced Photonic and Wireless Technologies for Future Access Networks»

    In recent years, there has been considerable interest in the development of broadband access networks to facilitate the deployment of bandwidth-hungry services and future 5G mobile networks. Advanced wireline and wireless network solutions with ultra-high capacity, low transmission delay, high energy efficiency, and low cost need to be developed to support a wide range of applications and requirements in future networks. In addition, efficient convergence of wireline and wireless networks should be considered to simplify the network configuration, management, and to realize new features and functions.

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    Special Session on «Flexible, Programmable and Energy-Efficient Networking»

    To face the challenges posed by new traffic paradigms and services (emerging, for instance, by 5G mobile networks and the Internet of Things, among others) a more aggressive use of virtualization is being pursued in all network segments. Network Functions Virtualization (NFV) is shifting the network design and resource allocation toward software-oriented solutions. Though NFV greatly enhances the flexibility and programmability of network devices and, alongside Software Defined Networking (SDN), the network controllability in the presence of dynamic traffic variations, both in composition and volume, it is not straightforward to determine to what extent it can influence energy efficiency. Moving network functions from specialized hardware to software-driven general-purpose machines may entail an increase in energy consumption, unless compensated by multi-objective optimization and consolidation techniques, capable of controlling the tradeoff between energy expenditure and Quality of Service (QoS) / Quality of Experience (QoE) requirements.

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