Communication system traffic control
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ICC 2021 - IEEE International Conference on Communications
IEEE ICC is one of the two flagship IEEE conferences in the field of communications; Montreal is to host this conference in 2021. Each annual IEEE ICC conference typically attracts approximately 1,500-2,000 attendees, and will present over 1,000 research works over its duration. As well as being an opportunity to share pioneering research ideas and developments, the conference is also an excellent networking and publicity event, giving the opportunity for businesses and clients to link together, and presenting the scope for companies to publicize themselves and their products among the leaders of communications industries from all over the world.
The ACC is the annual conference of the American Automatic Control Council (AACC, the U.S. national member organization of the International Federation for Automatic Control (IFAC)). The ACC is internationally recognized as a premier scientific and engineering conference dedicated to the advancement of control theory and practice. The ACC brings together an international community of researchers and practitioners to discuss the latest findings in automatic control. The 2020 ACC technical program will
The International Conference on Image Processing (ICIP), sponsored by the IEEE SignalProcessing Society, is the premier forum for the presentation of technological advances andresearch results in the fields of theoretical, experimental, and applied image and videoprocessing. ICIP 2020, the 27th in the series that has been held annually since 1994, bringstogether leading engineers and scientists in image and video processing from around the world.
The 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020) will be held in Metro Toronto Convention Centre (MTCC), Toronto, Ontario, Canada. SMC 2020 is the flagship conference of the IEEE Systems, Man, and Cybernetics Society. It provides an international forum for researchers and practitioners to report most recent innovations and developments, summarize state-of-the-art, and exchange ideas and advances in all aspects of systems science and engineering, human machine systems, and cybernetics. Advances in these fields have increasing importance in the creation of intelligent environments involving technologies interacting with humans to provide an enriching experience and thereby improve quality of life. Papers related to the conference theme are solicited, including theories, methodologies, and emerging applications. Contributions to theory and practice, including but not limited to the following technical areas, are invited.
The Optical Fiber Communication Conference and Exhibition (OFC) is the largest global conference and exhibition for optical communications and networking professionals. For over 40 years, OFC has drawn attendees from all corners of the globe to meet and greet, teach and learn, make connections and move business forward.OFC attracts the biggest names in the field, offers key networking and partnering opportunities, and provides insights and inspiration on the major trends and technology advances affecting the industry. From technical presentations to the latest market trends and predictions, OFC is a one-stop-shop.
The IEEE Aerospace and Electronic Systems Magazine publishes articles concerned with the various aspects of systems for space, air, ocean, or ground environments.
The theory, design and application of Control Systems. It shall encompass components, and the integration of these components, as are necessary for the construction of such systems. The word `systems' as used herein shall be interpreted to include physical, biological, organizational and other entities and combinations thereof, which can be represented through a mathematical symbolism. The Field of Interest: shall ...
The IEEE Transactions on Automation Sciences and Engineering (T-ASE) publishes fundamental papers on Automation, emphasizing scientific results that advance efficiency, quality, productivity, and reliability. T-ASE encourages interdisciplinary approaches from computer science, control systems, electrical engineering, mathematics, mechanical engineering, operations research, and other fields. We welcome results relevant to industries such as agriculture, biotechnology, healthcare, home automation, maintenance, manufacturing, pharmaceuticals, retail, ...
Broadcast technology, including devices, equipment, techniques, and systems related to broadcast technology, including the production, distribution, transmission, and propagation aspects.
Video A/D and D/A, display technology, image analysis and processing, video signal characterization and representation, video compression techniques and signal processing, multidimensional filters and transforms, analog video signal processing, neural networks for video applications, nonlinear video signal processing, video storage and retrieval, computer vision, packet video, high-speed real-time circuits, VLSI architecture and implementation for video technology, multiprocessor systems--hardware and software-- ...
IRE Transactions on Communications Systems, 1958
One of the major obstacles to the solution of the air-traffic control problem is the limitation imposed on information flow by the outdated air-to-ground communication system now in use. A study of the present system and its deficiencies gives a set of requirements for a communication system that will assist materially in the solution of the air-traffic control problem. Another ...
IEEE Transactions on Communications, 2007
<para> In order to meet the requirements of real-time applications, optical burst switched backbone networks need to provide quantitative edge-to-edge loss guarantees to traffic flows. For this purpose, there have been several proposals based on the relative differentiation quality of service (QoS) model. However, this model has an inherent difficulty in communicating information about internal network states to the edge ...
2009 Chinese Control and Decision Conference, 2009
The methods of controlling the transmit power of integration to limit the interferences which are resulted from air-to-air communication in the traffic alert collision avoidance system are proposed. The dynamic controlling of tracking integration power for mode S targets and the variable steps whisper/shout interrogation for mode A/C targets are presented. In order to analyze the validity of the methods, ...
IEEE Transactions on Automatic Control, 1998
We consider a multiclass multiplexer with support for multiple service classes and dedicated buffers for each service class. Under specific scheduling policies for sharing bandwidth among these classes, we seek the asymptotic (as the buffer size goes to infinity) tail of the buffer overflow probability for each dedicated buffer. We assume dependent arrival and service processes as is usually the ...
2006 International Symposium on Intelligent Signal Processing and Communications, 2006
There major challenges for current intrusion detection systems (IDS) which attempt to identify suspicious network traffic including virtual private networks (VPNs). Due to the high percentage of alerts generated by such systems, the level of false positives is among the significant problems. We present intelligent strategies for reduction of false positives and infrastructure protection using a novel approach using adaptive ...
Technologies for 5G course, Part 4 - IEEE Smart Tech Workshop
Technologies for 5G course, Part 1 - IEEE Smart Tech Workshop
Technologies for 5G course, Part 3 - IEEE Smart Tech Workshop
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One of the major obstacles to the solution of the air-traffic control problem is the limitation imposed on information flow by the outdated air-to-ground communication system now in use. A study of the present system and its deficiencies gives a set of requirements for a communication system that will assist materially in the solution of the air-traffic control problem. Another set of communication system requirements is obtained by analysis of the characteristics of the future air-traffic-control system. The composite of these two classes of requirements can be satisfied to a large extent by many communication techniques presently available. The problem of determining an optimum air-trafficcontrol communication system is now in the process of being solved. This system will be called the Air-Traffic-Control Signaling System.
<para> In order to meet the requirements of real-time applications, optical burst switched backbone networks need to provide quantitative edge-to-edge loss guarantees to traffic flows. For this purpose, there have been several proposals based on the relative differentiation quality of service (QoS) model. However, this model has an inherent difficulty in communicating information about internal network states to the edge in a timely manner for making admission control decisions. In this paper, we propose an absolute QoS framework to overcome this difficulty. The key idea is to offer quantitative loss guarantees at each hop using a differentiation mechanism and an admission control mechanism. The edge-to-edge loss requirement is then translated into a series of small per-node loss probabilities that are allocated to the intermediate core nodes. The framework includes a preemptive differentiation scheme, a node-based admission control scheme, and an edge-to-edge reservation scheme. The schemes are analyzed and evaluated through simulation. It is shown that the framework can effectively offer quantitative edge-to-edge loss guarantees under various traffic conditions. </para>
The methods of controlling the transmit power of integration to limit the interferences which are resulted from air-to-air communication in the traffic alert collision avoidance system are proposed. The dynamic controlling of tracking integration power for mode S targets and the variable steps whisper/shout interrogation for mode A/C targets are presented. In order to analyze the validity of the methods, the distribution model of aircraft traffic density is established. Additionally, the procedure for interrogations power controlling and the implementation in surveillance function are described.
We consider a multiclass multiplexer with support for multiple service classes and dedicated buffers for each service class. Under specific scheduling policies for sharing bandwidth among these classes, we seek the asymptotic (as the buffer size goes to infinity) tail of the buffer overflow probability for each dedicated buffer. We assume dependent arrival and service processes as is usually the case in models of bursty traffic. In the standard large deviations methodology, we provide a lower and a matching (up to first degree in the exponent) upper bound on the buffer overflow probabilities. We introduce a novel optimal control approach to address these problems. In particular, we relate the lower bound derivation to a deterministic optimal control problem, which we explicitly solve. Optimal state trajectories of the control problem correspond to typical congestion scenarios. We explicitly and in detail characterize the most likely modes of overflow. We specialize our results to the generalized processor sharing policy (GPS) and the generalized longest queue first policy (GLQF). The performance of strict priority policies is obtained as a corollary. We compare the GPS and GLQF policies and conclude that GLQF achieves smaller overflow probabilities than GPS for all arrival and service processes for which our analysis holds. Our results have important implications for traffic management of high-speed networks and can be used as a basis for an admission control mechanism which guarantees a different loss probability for each class.
There major challenges for current intrusion detection systems (IDS) which attempt to identify suspicious network traffic including virtual private networks (VPNs). Due to the high percentage of alerts generated by such systems, the level of false positives is among the significant problems. We present intelligent strategies for reduction of false positives and infrastructure protection using a novel approach using adaptive responses from firewall packet filters in what we call, network quarantine channels (NQC). The originality in this paper is the effective design of intelligent network infrastructure communication systems, involving integration of NQCs, virtual private networks (VPNs) and multiple protocols in various subnetworks for traffic segmentation, access controls and packet filters, for efficient responses to suspicious traffic and network attacks. These strategies provide intelligent communication systems and network protocols, intelligent communications, intelligent response systems for security signal processing
Extending VoIP beyond Internet telephony, we propose a case study of applying the technology outside of its intended domain to solve a real-world problem. This work is an attempt to understand an analog hardwired communication system of the U.S. Federal Aviation Administration, and effectively translate it into a generic standards-based VoIP system that runs on their existing data network. We develop insights into the air traffic training and weigh in on the design choices for building a soft real-time data communication system. We also share our real world deployment and maintenance experiences, as the FAA Academy has been successfully using this VoIP system in six training rooms since early 2006 to train the future air traffic controllers of the U.S. and the world.
This paper considers the fundamental and pervasive role of communications in the operation of the current air traffic control system and in the planning of the advanced systems of the future. The authors discuss the evolution of the present system through its successive "generations" and present the major features of the proposed upgraded third-generation system, with emphasis on the communications requirements imposed by the elements of the upgraded third. Advanced systems concepts, both satellite and ground based, applicable to oceanic as well as continental service, are discussed. The overview concludes with a discussion of communications in relation to automation. The potential capacity of advanced system designs can best be realized by highly automated management.
Currently there is a trend for the implementation of industrial communication systems on top of wireless communications. However, keeping up with the timing constraints of real-time traffic in open medium environments is a hard task. The main source for complexity is that, if the set of communicating devices is not previously agreed, the timing constraints imposed by such devices cannot be predicted at the system setup time, nor can be effectively controlled at the system run-time. In this paper, we propose the VTP-CSMA architecture to deal with this problem. This architecture allows the coexistence of default IEEE 802.11e devices with real-time devices sharing the same communication medium, enabling the prioritization of real-time traffic. The proposed solution is based on the control of the medium access rights by means of a virtual token passing procedure (VTP), complemented by an underlying traffic separation mechanism that prioritizes realtime traffic over the traffic from default IEEE 802.11 stations. The simulation analysis shows that the VTP-CSMA architecture guarantees values for both the throughput and the average access delay that significantly improves the results obtained for default IEEE 802.11e stations operating under EDCA mode
The types of communication required for the implementation of an intelligent vehicle highway system (IVHS) are discussed. The focus is on the use of the existing and planned communication infrastructure, particularly optic cable plant, to meet some of the IVHS communication requirements. Existing communication systems for urban control traffic systems, freeway traffic management systems, transit and other government services are described, drawing on the authors' experience in the design and implementation of these communication systems. Potential methods to utilize the existing infrastructure, including the use of spare data and video channels, the use of spare optical fibers, conduits, and existing radio links to vehicles are explored. There a number of special requirements and technical issues relating to communication systems for IVHS. These include requirements for the integration of control centers and control center functions, as well as more distributed communication requirements. New design requirements include more flexibility, increased use of standards, and careful consideration of future requirements.
Correct system operation, especially in a safety-critical environment, is all the more important since the consequences in case of failure might be catastrophic. This is particularly true for automotive electronics, which are building complex distributed systems comprising more than 70 electronic control units. In such a context, systematic test operation urgently requires the capability to repeat a given scenario in order (a) to track down the root of a failure (cyclic debugging) or (b) to apply a given - standardized -test pattern for validation or benchmarking. However, deterministic re-execution of a given scenario is difficult to achieve due to the large number of inputs and the concurrent process execution. The focus of our ExTraCT project is set to the communication network due to its central role in distributed systems. More especially, it is the aim of this paper to present a novel approach for the deterministic replay of network bus traffic in case of time-triggered communication protocols such as FlexRay (Mores et al., 2001). This low level replay aims at emulating parts of the system, thus decreasing the test complexity with respect to reproducibility
The project defines a standard for high-speed (>100 Mbps at the physical layer) communication devices via electric power lines, so-called broadband over power line (BPL) devices. This standard uses transmission frequencies below 100 MHz. It is usable by all classes of BPL devices, including BPL devices used for the first-mile/last-mile connection (<1500 m to the premise) to broadband services as ...