Relevant bibliographies by topics / Traffic Information Service Broadcast

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Traffic Information Service Broadcast'

Author: Grafiati
Published: 4 June 2021
Last updated: 7 February 2022

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Journal articles on the topic "Traffic Information Service Broadcast"

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Zeitlin, A. D., and R. C. Strain. "Augmenting ADS-B with traffic information service-broadcast." IEEE Aerospace and Electronic Systems Magazine 18, no. 10 (October 2003): 13–18. http://dx.doi.org/10.1109/maes.2003.1244770.

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Su, Tianhong, Sujie Shao, Shaoyong Guo, and Min Lei. "Blockchain-Based Internet of Vehicles Privacy Protection System." Wireless Communications and Mobile Computing 2020 (September 7, 2020): 1–10. http://dx.doi.org/10.1155/2020/8870438.

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With the development of wireless local area networks and intelligent transportation technologies, the Internet of Vehicles is considered to be an effective method to alleviate the severe situation of the current transportation system. The vehicles in the Internet of Vehicles system build the Vehicular Ad Hoc Networks through wireless communication technology and dynamically provide different services through the real-time driving information broadcast by the vehicles. Vehicle drivers can control the distance, planning the driving route, between vehicles according to the current traffic environment, which improves the overall safety and efficiency of the traffic system. Due to the particularity of the Internet of Vehicles system service, vehicles need to broadcast their location information frequently. Attackers can collect and analyze vehicle broadcast information to steal privacy and even directionally track the owner through the driving trajectory, bringing serious security risks. This paper proposes a blockchain-based privacy protection system for the Internet of Vehicles. The system combines the blockchain with the Internet of Vehicles system to design a safe and efficient two-way authentication and key agreement algorithm through encryption and signature algorithm, which also solves the central dependency problem of the traditional Internet of Vehicles system.
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Vasudevan, Meenakshy, Karl Wunderlich, James Larkin, and Alan Toppen. "Comparison of Mobility Impacts on Urban Commuting." Transportation Research Record: Journal of the Transportation Research Board 1910, no. 1 (January 2005): 38–45. http://dx.doi.org/10.1177/0361198105191000105.

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This paper explores the effectiveness of relying on commercial radio as a source of traveler information and presents an approach to quantify mobility benefits from radio traffic advisories. The study, conducted for the Washington, D.C., metropolitan area, used an analytical technique called the heuristic online web-linked arrival time estimator to examine whether broadcast traffic advisories could have mobility benefits similar to a prospective notification-based traveler information service offering personalized estimates of travel times. Traffic reports were recorded from a local radio station and manually coded to translate them into a suitable format for analysis. Results from the analysis of 37 weekdays consisting of 4,410 advisories indicated that radio traffic advisories were less effective in improving traveler on-time reliability or reducing travel disutility than a service offering route-specific travel time reports. The simulated commuter receiving regular quantitative estimates of travel times on relevant roadways typically made more effective route and trip-timing decisions than the simulated commuter receiving comparatively incomplete, irregular, and vague advisories on prevailing congestion conditions from broadcast traffic reports. In contrast, the simulated commuter listening to radio advisories recorded similar benefits to those of the simulated control subject, who ignored all forms of traveler information. During the morning peak period, the simulated radio listener fared worse than the simulated control subject and recorded lower on-time reliability performance and higher travel disutility. During the afternoon peak period, the simulated radio listener had lower travel disutility but also experienced a nominal reduction in on-time reliability performance.
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Calafell, Jordi, and Martin Pyne. "In-vehicle Traffic Information Systems in Europe: Never Mind the (Band)Width, Feel the Quality." Journal of Navigation 54, no. 3 (September 2001): 329–35. http://dx.doi.org/10.1017/s0373463301001527.

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The ever-increasing number of vehicles on the road has created a serious demand for traffic information not only on the move but also at the planning stage of a journey. While on the move, the driver will be able to re-route his/her journey avoiding traffic congestion, but this information could be even more valuable before starting the journey. Today there are differences between the three main ITS markets (USA, Japan and Europe). Japan is leading the way, with the introduction in 1995 of the Vehicle Information Communication System (VICS), which is a free service. Vehicles are equipped with VICS receivers taking information from a network of road beacons installed on main roads, transmitting traffic flows by infrared rays, wave beacons, and FM multiplex broadcast. Europe has been involved in driver information systems from the early '90s when RDS was developed, which is another free service, and most of the car radios sold in Europe are able to process RDS signals. Since then, new free services have been developed – for example, RDS-TMC. In the UK, the private sector has been heavily involved recently, its major player being Trafficmaster. The Trafficmaster system is based on a network of traffic detection sensors, which covers all major UK motorways and most of the major A roads, with plans to expand into the continent. Trafficmaster collects road traffic flows and disseminates this information to its subscribers via a range of technologies, including GSM. The quality of the information supplied by the free and subscription services can be improved by being fully integrated with on-board navigation systems and by providing more detailed and wider types of information. All current methods are described/analysed and compared in this paper, with future enhancement highlighted. One of the main limitations lies in current data transmission routes, which are not fast enough to support the data required for an optimal use of the system. Some technologies available will potentially allow the many service providers to transmit information.
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Englisher, Larry S., Richard D. Juster, Susan Bregman, David G. Koses, and Alicia Powell Wilson. "User Perceptions of SmarTraveler Advanced Traveler Information System: Findings from Second-Year Evaluation." Transportation Research Record: Journal of the Transportation Research Board 1537, no. 1 (January 1996): 63–69. http://dx.doi.org/10.1177/0361198196153700109.

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SmarTraveler was implemented as an operational test of an advanced traveler information system in the Boston metropolitan area. Users call the service from cellular or conventional telephones to receive realtime, route-specific traffic and transit information free of charge (except for any telephone company charges). Several evaluations were conducted since the service began in January 1993, to assess public acceptance of the information provided by SmarTraveler. Findings on user perceptions of and response to the program during its second year of operation, from April through December 1994, are summarized. Calling frequency increased during this period. Calls from cellular telephones made up 61 percent of the total calls received, even though cellular telephone callers were in the minority of the user population. Users were found to be quite satisfied with the service, especially in comparison with broadcast media traffic reports. In particular, they found SmarTraveler easy to use and were pleased with its availability on demand, its up-to-the-minute information, and its coverage of major routes. Two-thirds of current users said that SmarTraveler helped reduce anxiety. Although virtually all users said they would continue calling SmarTraveler in the future, users indicated substantial sensitivity to the potential imposition of a service fee.
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Wang, Wenjie, Tao Luo, and Ying Hu. "An Adaptive Information Quantity-Based Broadcast Protocol for Safety Services in VANET." Mobile Information Systems 2016 (2016): 1–12. http://dx.doi.org/10.1155/2016/2195496.

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Vehicle-to-vehicle communication plays a significantly important role in implementing safe and efficient road traffic. When disseminating safety messages in the network, the information quantity on safety packets changes over time and space. However, most of existing protocols view each packet the same to disseminate, preventing vehicles from collecting more recent and precise safety information. Hence, an information quantity-based broadcast protocol is proposed in this paper to ensure the efficiency of safety messages dissemination. In particular, we propose the concept of emergency-degree to evaluate packets’ information quantity. Then we present EDCast, an emergency-degree-based broadcast protocol. EDCast differentiates each packet’s priority for accessing the channel based on its emergency-degree so as to provide vehicles with more safety information timely and accurately. In addition, an adaptive scheme is presented to ensure fast dissemination of messages in different network condition. We compare the performance of EDCast with those of three other representative protocols in a typical highway scenario. Simulation results indicate that EDCast achieves higher broadcast efficiency and less redundancy with less delivery delay. What we found demonstrates that it is feasible and necessary for incorporating information quantity of messages in designing an efficient safety message broadcast protocol.
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Zhao, HongJian. "Optimization method of navigation information mode under the condition of multi-exit city expressway." E3S Web of Conferences 283 (2021): 02022. http://dx.doi.org/10.1051/e3sconf/202128302022.

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In recent years, mobile phone navigation software has been widely used, but the voice broadcast information of many navigation software is not clear, which is easy to cause confused driving. Urban expressway is an important artery of the city. The road and traffic conditions of urban expressways are extremely complicated, and there are many types of exits, which can easily cause confused driving. Therefore, optimization of navigation modes under the condition of multi-exit urban expressways is particularly important. Based on the experimental data of simulated driving, this paper focuses on the influence of voice navigation broadcast timing on driving under urban expressway, founding driver’s behavior is significantly different under diverse navigation modes. This paper uses the principal component analysis method to comprehensively evaluate the navigation broadcast timing, and gives the optimal navigation broadcast timings for various multi-exit urban expressways. In most cases, the first broadcast time should be 1500m from the exit. This paper clarifies the impact of navigation broadcast timing on driving, and optimizes the navigation mode of multi-exit urban expressways, which is of great significance for reducing yaw under navigation and improving navigation services.
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Poularakis, Konstantinos, and Leandros Tassiulas. "Cooperation and information replication in wireless networks." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 374, no. 2062 (March 6, 2016): 20150123. http://dx.doi.org/10.1098/rsta.2015.0123.

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A significant portion of today's network traffic is due to recurring downloads of a few popular contents. It has been observed that replicating the latter in caches installed at network edges—close to users—can drastically reduce network bandwidth usage and improve content access delay. Such caching architectures are gaining increasing interest in recent years as a way of dealing with the explosive traffic growth, fuelled further by the downward slope in storage space price. In this work, we provide an overview of caching with a particular emphasis on emerging network architectures that enable caching at the radio access network. In this context, novel challenges arise due to the broadcast nature of the wireless medium, which allows simultaneously serving multiple users tuned into a multicast stream, and the mobility of the users who may be frequently handed off from one cell tower to another. Existing results indicate that caching at the wireless edge has a great potential in removing bottlenecks on the wired backbone networks. Taking into consideration the schedule of multicast service and mobility profiles is crucial to extract maximum benefit in network performance.
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Chambers, C. J. "Future traffic demands and characteristics from a media perspective." Philosophical Transactions of the Royal Society A: Mathematical, Physical and Engineering Sciences 374, no. 2062 (March 6, 2016): 20140433. http://dx.doi.org/10.1098/rsta.2014.0433.

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Providing topical information and entertainment began with wall paintings, the spoken word and face-to-face performance, then the addition of the written and printed word along with illustrations and pictures, followed by audio recording. In the early 1920s, regular broadcast radio services began, followed by television in the late 1930s, and this has provided the basis of broadcast media we know today. These innovations frequently pushed boundaries and challenged the status quo, but not all of these challenges were technical by any means. However, it could be argued that the development of accessible technologies has been fundamental to the successful deployment of information and entertainment media in all their forms throughout history. Today, the merging of audio and video media with a whole range of digital services is becoming commonplace. With the ability of such services to develop new approaches in supporting people’s everyday living experiences, this will take communication networks into a new era central to the way we live. This paper postulates that the historical trends with audio and video media developments from the early 1900s will continue to push future boundaries, and attempts to highlight the key demands and the developing trends from a communication network point of view.
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Lin, Hua Yi, and Tzu Chiang Chiang. "Intrusion Detection Mechanisms Based on Queuing Theory in Remote Distribution Sensor Networks." Advanced Materials Research 121-122 (June 2010): 58–63. http://dx.doi.org/10.4028/www.scientific.net/amr.121-122.58.

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Recently, sensor networks are usually applied on collecting remote sensing information. The deployed sensor nodes are separated and responsible for specific purposes, and act as an individual device. They cooperatively transmit sensed data to the base station, as shown in Fig.1. However, the transmitted data are exposed to open environments, and possibly contain confidential information. If malicious attacks interfere in the communication using huge packets to break the communication, thus the system can not work properly. In general, attackers exploit a broadcast storm or a Distributed Denial-of-Service (DDoS) attack to paralyze the entire network. Therefore, this study proposes a queuing theory based scheme to detect whether the system encounters malicious attacks. Our proposed scheme provides the arrival requests with a queuing service on the base station, which is responsible for dealing with transmitted jobs. Once the jammed traffic is anomalous for long periods, the system immediately detects the malicious attacks using our proposed approach.
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Dissertations / Theses on the topic "Traffic Information Service Broadcast"

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Antonsson, Daniel. "A server application for Traffic Information Service : Broadcast." Thesis, Linköping University, Department of Electrical Engineering, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-1606.

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The need for increased safety and efficiency in civil aviation is pushing the introduction of Automatic Dependent Surveillance - Broadcast (ADS-B). The basic principle of ADS-B is that each aircraft is able to communicate its position and status over a radio data link to surrounding aircraft. In this way each aircraft obtains a detailed picture of the surrounding traffic. During a period of transition from today's radar surveillance to ADS-B many aircraft will not be equipped with the new data link technology and will therefore be invisible to the ADS-B equipped aircraft. The Traffic Information Service - Broadcast (TIS-B) has been conceived to be the solution to this problem. TIS-B is defined as a broadcast surveillance service in which data from the ordinary ground radar system is transmitted from a ground station to airborne systems, providing an air situation picture of the non-ADS-B stations.

The topics of this thesis are the definition and implementation of a TIS-B server. The presented solution is an evaluation TIS-B server that will receive data from a data-fusing tracker and provide one or several TIS-B ground stations with data filtered according to the settings of the server.

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Gundlegård, David. "Automotive Telematics Services based on Cell Broadcast." Thesis, Linköping University, Department of Science and Technology, 2003. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2003.

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Cell Broadcast is a relatively old technique within the GSM-network which makes it possible to broadcast text messages to one or more cells in the network. As efforts in Sweden have been made to develop both traffic safety and information technology, the automotive telematics market is predicted to grow rapidly in the near future. The characteristics of Cell Broadcast make it especially suitable for automotive telematics services. The main purpose of this thesis is to investigate possible automotive telematics services based on Cell Broadcast and how these services can affect traffic safety.

The most important characteristics for Cell Broadcast in the automotive telematics market are close connection to the GSM/UMTS network, location-based information and information of push character. These characteristics allows the mobile operator to offer a number of automotive telematics services based on Cell Broadcast, some of them as service provider and some of them in joint ventures with car and mobile terminal manufacturers.

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Fredriksson, Daniel, and Anders Schweitz. "Technical Verification and Validation of TIS-B using VDL Mode 4." Thesis, Linköping University, Department of Science and Technology, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-2393.

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This report is a technical verification and validation of Traffic Information Service Broadcast (TIS-B) using the data link VDL Mode 4.

The main objective of the report is to examine the usefulness of TIS-B considering the results from tests performed in the Stockholm Terminal Area and for the Advanced Surface Movement Guidance and Control System (A-SMGCS) at Arlanda airport. The results are compared with the requirements that have been set by the standardisation organisations ICAO, RTCA, Eurocontrol and Eurocae. TIS-B is however such a new concept, so most of the operational requirements have not yet been defined.

The process for performing the evaluation of TIS-B involves three stages:

· Study the requirements on TIS-B, ADS-B, radar and A-SMGCS.

· Verify TIS-B by performing tests at Arlanda airport.

· Validate the test results through analysis.

A theoretical study of slot allocation optimisation is performed to decide how the slot allocation is to be implemented.

The report includes a Functional Hazard Analysis (FHA). The FHA is done to see if the applications for TIS-B are ready for implementation or if more hazard preventing actions has to be taken, before any operational actions can be performed.

The report also involves a theoretical introduction to Air Traffic Management (ATM), Surveillance techniques and TIS-B.

All parts included in the report results in conclusions and recommendations regarding the TIS-B service.

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Löfås, Peter. "Advanced Traffic Service." Thesis, Linköping University, Department of Computer and Information Science, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-374.

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More and more travellers use navigation-aid software to find the way while driving. Most of todays systems use static maps with little or no information at all about currently yeilding roads conditions and disturbances in the network. It is desirable for such services

in the future to include information about road works, accidents, surface conditions and other types of events that affects what route is currently the best.

It is also desirable to notify users about changes in the prerequisites of the chosen route after they have started their trip.

This thesis investigates methods to include dynamic traffic information in route calculations and notifying users when the characteristics change for their chosen route.

The thesis utilizes dynamic traffic information from The Swedish Road Agencys (Vägverket) central database for traffic information, TRISS and calculates affected clients with help of positioning through the GSM network.

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Misiewicz, Michael V. K. "Modeling and simulation of a Global Broadcast Service reach back architecture for information dissemination management." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 1998. http://handle.dtic.mil/100.2/ADA356515.

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Thesis (M.S. in Space Systems Operations) Naval Postgraduate School, September 1998.
"September 1998." Thesis advisor(s): Dan C. Boger, Carl R. Jones, John S. Osmundson. Includes bibliographical references (p. 191-194). Also available online.
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Harrison, William. "Malleability, obliviousness and aspects for broadcast service attachment." Universität Potsdam, 2010. http://opus.kobv.de/ubp/volltexte/2010/4138/.

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An important characteristic of Service-Oriented Architectures is that clients do not depend on the service implementation's internal assignment of methods to objects. It is perhaps the most important technical characteristic that differentiates them from more common object-oriented solutions. This characteristic makes clients and services malleable, allowing them to be rearranged at run-time as circumstances change. That improvement in malleability is impaired by requiring clients to direct service requests to particular services. Ideally, the clients are totally oblivious to the service structure, as they are to aspect structure in aspect-oriented software. Removing knowledge of a method implementation's location, whether in object or service, requires re-defining the boundary line between programming language and middleware, making clearer specification of dependence on protocols, and bringing the transaction-like concept of failure scopes into language semantics as well. This paper explores consequences and advantages of a transition from object-request brokering to service-request brokering, including the potential to improve our ability to write more parallel software.
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Stine, William V. "A study in applying optical character recognition technology for the Foreign Broadcast Information Service field bureaus." Master's thesis, This resource online, 1993. http://scholar.lib.vt.edu/theses/available/etd-03172010-020135/.

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Kayahan, Hüseyin. "Treatment Framework : Traffic Steering via Source-Routing in SDN for Service Function Chaining." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-247926.

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The middlebox architecture is long known for its inharmonious presence within the Internet architecture. Network functions realized in middleboxes are inclined to interpose end to end connections, modifying the datagram header or spawning new connections on behalf, which renders policy enforcement challenging. Moreover, their tight coupling with metadata makes its distributed persistence difficult, which hampers the flexible utilization and scalable provisioning of the middlebox infrastructure resources under varying loads. Existing attempts at mitigating these problems include middlebox placement, packet tagging and metadata migration; each solving only a part of the problem.Investing in the extensible nature of IPv6, the Treatment Framework (TRF) exploits source routing with the flavor of a discretionarily classifiable address space. Datagrams traverse the treatment domain with an extension header pushed and popped at the domain’s edges, for which forwarding takes place based on the information encoded within. The forwarding mechanics that leverage SDN consists of one match and three OpenFlow actions implementation, whereby TRF obviates the need for an underlying transport. Customizable address space allows providers to tailor routing aggregation to their middlebox farms topology, reducing the number of flow rules in the core to preinstallable sizes.Middleboxes in a treatment domain match traffic to the respective local policy based on the information encoded in the extension header. Extension headers are native to IPv6 and defined by standards, hence the middlebox modification problem is addressed without requiring alteration nor visibility into proprietary code. The framework resolves the policy enforcement problem altogether and allows asymmetric service chaining. While eliminating the flow setup time in the core, the framework’s footprint at ingress that push the extension header can get heavy with respect to flow churn rate.
Det har länge varit känt att arkitektur baserad på mellanliggande utrustning, s.k.middlebox-arkitektur, inte alltid rimmar väl med Internet i övrigt. Nätverksfunktioner som implmenteras i middleboxar tenderar att leda till olika typer av förbindelser, modifierande av pakethuvuden eller nya uppkopplingar, vilket medför att det blir utmanande att verkställa olika typer av policy. Middlebox-lösningar är dessutom tätt kopplade till olika typer av metadata vilket innebär svårigheter för dess distribuerade fortlevnad och hindrar ett flexibelt utnyttjande och skalbar utbyggnad middleboxresurser under varierande trafiklast. Befintliga försök att mildra sådana problem inkluderar placering av mellanliggande utrustning, paketmärkning och migration av metadata; vart och ett av dessa löser endast delar av problemet.TRF (Treatment Framework) drar nytta av den utbyggbarhet som finns i IPv6 och använder vägval som styrs helt från avsändaren tillsammans med diskretionär adressrymd. IP-paketen traverserar en behandlings-domän och ett utökat pakethuvud används inom domänen. Det utökade pakethuvudet läggs till när paketet är på väg in i domänen och tas bort när paketet lämnar domänen. Inom domänen används information i det utökade pakethuvudet för att styra vidarebefordringen av paketet. Mekanismerna för vidarebefordring av paket använder sig av SDN och består av en match-operation och tre OpenFlow-åtgärder, varmed TRF kringgår behov av en underliggande transport. En anpass-ningsbart adressrymd gör det möjligt för leverantörer att skräddarsy vägvalsaggregering till sin middlebox-lösning, vilket gör att antalet trafikregler i kärnan av deras nät kan reduceras till förinställbara storlekar.En middlebox-lösning i en behandlings-domän matchar trafik mot respektive lokal policy baserad på information kodad i det utökade pakethuvudet. Tekniken med utökat pakethuvud är inbyggd i IPv6 och standardiserad vilket göra att paketmodifiering i en middlebox kan adresseras utan att kräva ändringar eller insyn i proprietär programvara. Ramverket löser problemet med verkställa olika typer av policy i sin helhet och medger skapandet av assymtriska kedjor av paketbehandlingstjänster. Tiden för att sätta upp paketflöden i kärnan av nätet kan elimineras, men det fotavtryck som ramverket ger i ingressdelen av domänen, där det utökade pakethuvudet skapas och läggs till inkommand paket, kan bli betydande med avseende på flödeshastigheten.
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Zhang, Ge. "Unwanted Traffic and Information Disclosure in VoIP Networks : Threats and Countermeasures." Doctoral thesis, Karlstads universitet, Avdelningen för datavetenskap, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kau:diva-13408.

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The success of the Internet has brought significant changes to the telecommunication industry. One of the remarkable outcomes of this evolution is Voice over IP (VoIP), which enables realtime voice communications over packet switched networks for a lower cost than traditional public switched telephone networks (PSTN). Nevertheless, security and privacy vulnerabilities pose a significant challenge to hindering VoIP from being widely deployed. The main object of this thesis is to define and elaborate unexplored security and privacy risks on standardized VoIP protocols and their implementations as well as to develop suitable countermeasures. Three research questions are addressed to achieve this objective: Question 1:  What are potential unexplored threats in a SIP VoIP network with regard to availability, confidentiality and privacy by means of unwanted traffic and information disclosure? Question 2:  How far are existing security and privacy mechanisms sufficient to counteract these threats and what are their shortcomings? Question 3:  How can new countermeasures be designed for minimizing or preventing the consequences caused by these threats efficiently in practice? Part I of the thesis concentrates on the threats caused by "unwanted traffic", which includes Denial of Service (DoS) attacks and voice spam. They generate unwanted traffic to consume the resources and annoy users. Part II of this thesis explores unauthorized information disclosure in VoIP traffic. Confidential user data such as calling records, identity information, PIN code and data revealing a user's social networks might be disclosed or partially disclosed from VoIP traffic. We studied both threats and countermeasures by conducting experiments or using theoretical assessment. Part II also presents a survey research related to threats and countermeasures for anonymous VoIP communication.
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Tomic, David. "Service Aware Traffic Distribution in Heterogeneous A2G Networks." Thesis, KTH, Skolan för elektroteknik och datavetenskap (EECS), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-248995.

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Airplanes have different ways to connect to the ground, including satellite air-to-ground communication (SA2GC) and direct air-to-ground communication (DA2GC). Each connection/link offers a different varying amount of transmission capacity over flight time. The traffic generated in the airplane must be forwarded/sent to ground over the available links. It is however not clear how the traffic should be forwarded so that traffic quality of service (QoS) requirements are met. The thesis at hand considers this question, and implements an algorithm handling the forwarding decision with three different forwarding schemes. Those consider traffic parameters in calculating a value assigned to each traffic flow, over a combination of priority, delay requirement and the number of times a traffic flow is dropped. The forwarding algorithm relies on proposed in-flight broadband connectivity (IFBC) network traffic and air-to-ground (A2G) link models, which aim at approximating the network environment of future IFBC networks. It is shown that QoS requirements of traffic flows in terms of packet loss and delay cannot be satisfied with capacities offered by current DA2GC and SA2GC technology. For a future scenario, with higher assumed link capacities, the QoS requirements are met to a higher extent. This is shown in lower packet loss and delay experienced by the respective traffic flows. Further, it is shown that the performance can be improved with specific forwarding schemes used by the forwarding algorithm. It is also investigated how a web cache can be used as a fallback technology. For this a required web cache hit rate is found, which should be high enough to offload the network with content served from the cache. Overall, the thesis aims at proposing an efficient traffic forwarding technique, and at giving insight into an alternative if this technique fails.
Flygplan har olika sätt att ansluta till marken, inklusive satellit-mark-kommunikation (SA2GC) och direkt luft till markkommunikation (DA2GC). Varje anslutning/länk erbjuder en annan varierande mängd överföringskapacitet under flygtid. Den trafik som genereras i flygplanet måste vidarebefordras/skickas till marken över de tillgängliga länkarna. Det är emellertid inte klart hur trafiken ska vidarebefordras så att trafiksäkerhetskvaliteten (QoS) uppfylls. Avhandlingen handlar om denna fråga och implementerar en algoritm som hanterar vidarebefordringsbeslutet med tre olika vidarebefordringssystem. De betraktar trafikparametrar vid beräkning av ett värde som tilldelas varje trafikflöde, över en kombination av prioritet, fördröjningskrav och antalet gånger ett trafikflöde tappas. Vidarebefordringsalgoritmen är beroende av föreslagna bredbandsförbindelser (IFBC) i nätverk och A2G-länkmodeller, som syftar till att approximera nätverksmiljön för framtida IFBC-nätverk. Det visas att QoS-krav på trafikflöden när det gäller paketförlust och fördröjning inte kan tillgodoses med kapacitet som erbjuds av nuvarande DA2GC- och SA2GC-teknik. För ett framtida scenario, med högre antagna länkkapacitet, uppfylls QoS-kraven i högre utsträckning. Detta visas med lägre paketförlust och fördröjning som upplevs av respektive trafikflöden. Vidare är det visat att prestanda kan förbättras med specifika vidarekopplingsscheman som används av vidarebefordringsalgoritmen. Det undersöks också hur en webbcache kan användas som en återgångsteknik. För detta hittas en obligatorisk webbcache-träfffrekvens, som bör vara tillräckligt hög för att ladda upp nätverket med innehåll som serveras från cacheminnet. Sammanfattningsvis syftar uppsatsen till att föreslå en effektiv trafiköverföringsteknik och att ge insikt om ett alternativ om denna teknik misslyckas.
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Books on the topic "Traffic Information Service Broadcast"

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Council, International Civil Aviation Organization. Air traffic services: Air traffic control service, flight information service, alerting service : international standards and recommended practices. 9th ed. Montreal, Quebec, Canada: International Civil Aviation Organization, 1990.

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Li, Tao. Traffic Measurement on the Internet. New York, NY: Springer New York, 2013.

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Misiewicz, Michael V. K. Modeling and simulation of a Global Broadcast Service reach back architecture for information dissemination management. Monterey, Calif: Naval Postgraduate School, 1998.

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Wang, Wuhong. Computational Intelligence for Traffic and Mobility. Paris: Atlantis Press, 2013.

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Prinzo, O. Veronika. Automatic Dependent Surveillance-Broadcast/cockpit display of traffic information: Innovations in aircraft navigation on the airport surface. Washington, D.C: U.S. Federal Aviation Administration, Office of Aerospace Medicine, 2004.

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Boyle, Linda. Effectiveness of safety and public service announcement (PSA) messages on dynamic message signs (DMS). Washington, D.C: U.S. Department of Transportation, Federal Highway Administration, 2014.

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Office, General Accounting. Customs Service: Information on user fees : fact sheet for Congressional committees. Washington, D.C: The Office, 1994.

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McEachern, Michael J. Voice-enabled applications over the Internet - voice XML interrogation of a web-enabled database for the provision of a traffic information service. Oxford: Oxford Brookes University, 2002.

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Office, General Accounting. Customs Service: Information on the design of the self-inspection program : report to Congressional Committees. Washington, D.C. (P.O. Box 37050, Washington, D.C. 20013): U.S. General Accounting Office, 2000.

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Hugenberger, Charles E. Travelers' highway safety book. Sierra County, Calif. (115 Pike Short Cut Rd., N. San Juan, CA, 95960): C.E. Hugenberger, 1993.

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Book chapters on the topic "Traffic Information Service Broadcast"

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Jiang, Shaoquan, and Guang Gong. "Multi-service Oriented Broadcast Encryption." In Information Security and Privacy, 1–11. Berlin, Heidelberg: Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/978-3-540-27800-9_1.

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Sukuvaara, Timo, Pertti Nurmi, Daria Stepanova, Sami Suopajärvi, Marjo Hippi, Pekka Eloranta, Esa Suutari, and Kimmo Ylisiurunen. "Wireless Traffic Service Communication Platform for Cars." In Communications in Computer and Information Science, 548–57. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-87477-5_58.

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Wang, Xinjing, Longjiang Guo, Jinbao Li, and Meirui Ren. "A Novel Data Broadcast Strategy for Traffic Information Query in the VANETs." In Web-Age Information Management, 453–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-38562-9_46.

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Bureš, Petr, and Martin Langr. "Implementation of Traffic Service Quality Measures in Czechia." In Communications in Computer and Information Science, 18–40. Cham: Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-97955-7_2.

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Bak, A., and W. Burakowski. "A New Traffic Control Algorithm for ABR Service." In Performance of Information and Communication Systems, 189–201. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-0-387-35355-5_15.

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Tan, Guozhen, Chengxu Li, and Jiankun Wu. "A Service-Oriented Framework for Traffic Information Grid." In Scientific Applications of Grid Computing, 197–206. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11423287_18.

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Szwed, Piotr, and Kamil Pekala. "Map-Matching in a Real-Time Traffic Monitoring Service." In Communications in Computer and Information Science, 425–34. Cham: Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-06932-6_41.

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Park, Sang-Hyun, Jeong-Sik Park, and Jae-Young Pyun. "Traffic Management for Video Streaming Service over Diff-Serv." In Advances in Multimedia Information Processing - PCM 2005, 453–64. Berlin, Heidelberg: Springer Berlin Heidelberg, 2005. http://dx.doi.org/10.1007/11582267_40.

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An, Gaeil, and Joon S. Park. "Packet Marking Based Cooperative Attack Response Service for Effectively Handling Suspicious Traffic." In Information Security and Cryptology, 182–95. Berlin, Heidelberg: Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11937807_15.

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Li, Qian, Jizhi Wan, and Guanghui Cao. "Framework Design of Urban Traffic Monitoring and Service System." In Proceedings of the 2015 International Conference on Electrical and Information Technologies for Rail Transportation, 737–43. Berlin, Heidelberg: Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-49370-0_77.

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Conference papers on the topic "Traffic Information Service Broadcast"

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Giovino, Jeffrey. "Geo-Referencing Radar Plot Data for the Traffic Information Service Broadcast." In 2006 ieee/aiaa 25TH Digital Avionics Systems Conference. IEEE, 2006. http://dx.doi.org/10.1109/dasc.2006.313686.

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Satapathy, Goutam, Jensan Chen, Devendra Tolani, James L. Sturdy, James T. Henion, and Gregory Kubat. "A Traffic Information Service-Broadcast model for mixed-equipage Aircraft Simulation." In 2010 Integrated Communications, Navigation and Surveillance Conference (ICNS). IEEE, 2010. http://dx.doi.org/10.1109/icnsurv.2010.5503264.

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Jae-Hoon Song, Kyung-Ryoon Oh, Inkyu Kim, Injung Kim, Sang-Man Moon, Keun-Taek Kim, and Jang-Yeon Lee. "Prototype design of traffic information service-broadcast server using the ADS-B test-bed." In 2008 International Conference on Control, Automation and Systems (ICCAS). IEEE, 2008. http://dx.doi.org/10.1109/iccas.2008.4694485.

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Lo, Sherman, Yu Hsuan Chen, Andrew Barrows, Adrien Perkins, Tyler Reid, Per Enge, and Shau Shiun Jan. "Using Traffic Information Services Broadcast (TIS-B) signals for aviation navigation." In 2016 IEEE/ION Position, Location and Navigation Symposium (PLANS). IEEE, 2016. http://dx.doi.org/10.1109/plans.2016.7479773.

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Aguilar Igartua, Mónica, Cristhian Iza Paredes, José Antonio Uribe Ramírez, Nely Patricia López Márquez, Leticia Lemus, and Ahmad M. Mezher. "Multimedia communications in vehicular adhoc networks for several applications in the smart cities." In XIII Jornadas de Ingenieria Telematica - JITEL2017. Valencia: Universitat Politècnica València, 2017. http://dx.doi.org/10.4995/jitel2017.2017.6584.

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Road safety applications envisaged for vehicular ad hoc networks (VANETs) depend largely on the exchange of messages to deliver information to concerned vehicles. Safety applications as well as inherent VANET characteristics make data dissemination an essential service and a challenging task. We are developing a decentralized efficient solution for broadcast data dissemination through two game-theoretical mechanisms. Besides, VANETs can also include autonomous vehicles (AVs). AVs might represent a revolutionary new paradigm that can be a reality in our cities in the next few years. AVs do not need a driver to work; instead, they should copy a proper human behavior to adapt the driving according to the current circumstances, such as speed limit, pedestrian crossing street or wheather conditions. We will develop an AV software module including artificial intelligence (AI) techniques so that AVs can interact with the dynamic scenario throughout time. Finally, we also will include electrical vehicles (EV) in the VANET, so that special services such as finding and reserving an EV charging station place will be welcome. In addition, we are developing a multimetric geographic routing protocol for VANETs to transmit H.265 video (traffic accident, traffic state, commercial….) over VANETs.
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Zhang, Chuang, and Pingyi Fan. "Power allocation for mixed traffic broadcast with service outage constraint." In 2015 IEEE/CIC International Conference on Communications in China (ICCC). IEEE, 2015. http://dx.doi.org/10.1109/iccchina.2015.7448677.

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Xiao-xiong, Weng, Hong Qin-min, and Tan Yu-an. "OGSA-Based Traffic Information System." In 2006 International Conference on Service Systems and Service Management. IEEE, 2006. http://dx.doi.org/10.1109/icsssm.2006.320771.

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Gu, J. B., Y. F. Xie, Y. Y. Wang, and X. Xie. "Key information extraction from Broadcast in traffic domain." In 2015 International Conference on Artificial Intelligence and Industrial Engineering. Paris, France: Atlantis Press, 2015. http://dx.doi.org/10.2991/aiie-15.2015.64.

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Zhao, Hai-Feng, and Yan-Qiu Sun. "Information propagation model with official broadcast in metro emergency." In 2017 14th International Conference on Service Systems and Service Management (ICSSSM). IEEE, 2017. http://dx.doi.org/10.1109/icsssm.2017.7996121.

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Tu, Zhi, WenPei Huang, and Hao Li. "Urban Traffic Integrated Service Information System." In First International Conference on Transportation Engineering. Reston, VA: American Society of Civil Engineers, 2007. http://dx.doi.org/10.1061/40932(246)597.

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Reports on the topic "Traffic Information Service Broadcast"

1

Yan, Yujie, and Jerome F. Hajjar. Automated Damage Assessment and Structural Modeling of Bridges with Visual Sensing Technology. Northeastern University, May 2021. http://dx.doi.org/10.17760/d20410114.

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Recent advances in visual sensing technology have gained much attention in the field of bridge inspection and management. Coupled with advanced robotic systems, state-of-the-art visual sensors can be used to obtain accurate documentation of bridges without the need for any special equipment or traffic closure. The captured visual sensor data can be post-processed to gather meaningful information for the bridge structures and hence to support bridge inspection and management. However, state-of-the-practice data postprocessing approaches require substantial manual operations, which can be time-consuming and expensive. The main objective of this study is to develop methods and algorithms to automate the post-processing of the visual sensor data towards the extraction of three main categories of information: 1) object information such as object identity, shapes, and spatial relationships - a novel heuristic-based method is proposed to automate the detection and recognition of main structural elements of steel girder bridges in both terrestrial and unmanned aerial vehicle (UAV)-based laser scanning data. Domain knowledge on the geometric and topological constraints of the structural elements is modeled and utilized as heuristics to guide the search as well as to reject erroneous detection results. 2) structural damage information, such as damage locations and quantities - to support the assessment of damage associated with small deformations, an advanced crack assessment method is proposed to enable automated detection and quantification of concrete cracks in critical structural elements based on UAV-based visual sensor data. In terms of damage associated with large deformations, based on the surface normal-based method proposed in Guldur et al. (2014), a new algorithm is developed to enhance the robustness of damage assessment for structural elements with curved surfaces. 3) three-dimensional volumetric models - the object information extracted from the laser scanning data is exploited to create a complete geometric representation for each structural element. In addition, mesh generation algorithms are developed to automatically convert the geometric representations into conformal all-hexahedron finite element meshes, which can be finally assembled to create a finite element model of the entire bridge. To validate the effectiveness of the developed methods and algorithms, several field data collections have been conducted to collect both the visual sensor data and the physical measurements from experimental specimens and in-service bridges. The data were collected using both terrestrial laser scanners combined with images, and laser scanners and cameras mounted to unmanned aerial vehicles.
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