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Dissertations / Theses on the topic 'Ad-hoc Collaboration'

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Published: 4 June 2021

Last updated: 9 February 2022

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1

Jiang, Ning. "COLLABORATION ENFORCEMENT IN MOBILE AD HOC NETWORKS." Doctoral diss., University of Central Florida, 2006. http://digital.library.ucf.edu/cdm/ref/collection/ETD/id/2718.

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Mobile Ad hoc NETworks (MANETs) have attracted great research interest in recent years. Among many issues, lack of motivation for participating nodes to collaborate forms a major obstacle to the adoption of MANETs. Many contemporary collaboration enforcement techniques employ reputation mechanisms for nodes to avoid and penalize malicious participants. Reputation information is propagated among participants and updated based on complicated trust relationships to thwart false accusation of benign nodes. The aforementioned strategy suffers from low scalability and is likely to be exploited by ad

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2

Chardin, Ivan Sergeyevich 1977. "Spatial aspects of mobile ad hoc collaboration." Thesis, Massachusetts Institute of Technology, 2003. http://hdl.handle.net/1721.1/61140.

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Thesis (S.M.)--Massachusetts Institute of Technology, School of Architecture and Planning, Program in Media Arts and Sciences, 2003.<br>Includes bibliographical references (p. 72-76).<br>Traditionally, communication devices are designed to overcome distance in space or time. How can personal mobile tools augment local interaction and promote spontaneous collaboration between users in proximity? Mobile ad hoc collaboration is an emerging framework that attempts to answer this question. This thesis reviews current research in mobile ad hoc collaboration, explores its precedents in art, and exami

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Citro, Sandy, and c1tro@yahoo com au. "A Framework for Real Time Collaborative Editing in a Mobile Replicated Architecture." RMIT University. Computer Science and Information Technology, 2008. http://adt.lib.rmit.edu.au/adt/public/adt-VIT20080424.113836.

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Mobile collaborative work is a developing sub-area of Computer Supported Collaborative Work (CSCW). The future of this field will be marked by a significant increase in mobile device usage as a tool for co-workers to cooperate, collaborate and work on a shared workspace in real-time to produce artefacts such as diagrams, text and graphics regardless of their geographical locations. A real-time collaboration editor can utilise a centralised or a replicated architecture. In a centralised architecture, a central server holds the shared document as well as manages the various aspects of the c

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Perez, Priego Juan Gabriel. "Ad-Hoc Sharing for Palm Devices." ScholarWorks@UNO, 2005. http://scholarworks.uno.edu/td/239.

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The current generation of Palm PDA devices is designed to share information records primarily with a base desktop system, or a server. Therefore, their built- in features for sharing data during ad-hoc collaboration among groups of mobile users are inadequate. In this thesis, we describe a new framework that addresses this problem by allowing users to transparently share the record databases of common applications during spontaneous collaborative sessions. The framework also allows users to define custom sharing policies for each application/user pair. These policies determine the manner

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5

Manescu, Corneliu. "Video and voice coding for mobile ad-hoc collaboration." [Gainesville, Fla.] : University of Florida, 2003. http://purl.fcla.edu/fcla/etd/UFE0000740.

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6

Lee, Wei-Hsing. "Decentralized ad-hoc groupware API and framework for mobile collaboration." [Florida] : State University System of Florida, 2000. http://etd.fcla.edu/etd/uf/2000/ane5959/master.pdf.

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Thesis (M.S.)--University of Florida, 2000.<br>Title from first page of PDF file. Document formatted into pages; contains ix, 83 p.; also contains graphics. Vita. Includes bibliographical references (p. 81-82).

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7

Heinemann, Andreas. "Collaboration in Opportunistic Networks." Phd thesis, Saarbrücken VDM Verlag Dr. Müller, 2007. http://tuprints.ulb.tu-darmstadt.de/834/1/heinemann07-diss.pdf.

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Motivation. With the increasing integration of wireless short-range communication technologies (Bluetooth, 802.11b WiFi) into mobile devices, novel applications for spontaneous communication, interaction and collaboration are possible. We distinguish between active and passive collaboration. The devices help users become aware of each other and stimulate face-to-face conversation (active collaboration). Also, autonomous device communication for sharing information without user interaction is possible, i.e., devices pass information to other devices in their vicinity (passive collaboration). Bo

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8

Kedji, Komlan Akpédjé. "Modélisation et mise en œuvre de processus collaboratifs ad hoc." Phd thesis, Université Toulouse le Mirail - Toulouse II, 2013. http://tel.archives-ouvertes.fr/tel-00912975.

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Le développement logiciel est une activité intensément collaborative. Les problématiques habituelles de collaboration (organisation des tâches, utilisation des ressources, communication, etc.) y sont exacerbées par le rythme rapide des changements, la complexité et la grande interdépendance des artéfacts, le volume toujours croissant d'informations de contexte à traiter, la distribution géographique des participants, etc. Par conséquent, la question du support outillé de la collaboration se pose plus fortement que jamais en ingénierie logicielle. Dans cette thèse, nous abordons la question de

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9

Braconnot, Velloso Pedro. "Un modèle de confiance pour les réseaux ad hoc." Paris 6, 2008. http://www.theses.fr/2008PA066121.

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Cette thèse aborde le problème de l’evaluation et de la gestion de la confiance dans les réseaux ad hoc, où les noeuds accumulent le rôle de routeur, de serveur et de client, les obligeant coopérer pour un bon fonctionnement du réseau. Plusieurs protocoles et applications ont été proposés puisque les solutions conventionnelles ne sont pas adaptées aux réseaux ad hoc. Cependant, la plupart des ces travaux considèrent l’existence d’une parfaite coopération entre les noeuds supposant qu’ils se comportent tous selon les spécifications des applications et des protocoles précédemment déterminés pour

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10

Kwong, Mylène D. "Transmission efficace en temps réel de la voix sur réseaux ad hoc sans fil." Thèse, Université de Sherbrooke, 2008. http://savoirs.usherbrooke.ca/handle/11143/1827.

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La téléphonie mobile se démocratise et de nouveaux types de réseaux voient le jour, notamment les réseaux ad hoc. Sans focaliser exclusivement sur ces réseaux particuliers, le nombre de communications vocales effectuées chaque minute est en constante augmentation mais les réseaux sont encore souvent victimes d'erreurs de transmission. L'objectif de cette thèse porte sur l'utilisation de méthodes de codage en vue d'une transmission de la voix robuste face aux pertes de paquets, sur un réseau mobile et sans fil perturbé permettant le multichemin. La méthode envisagée prévoit l'utilisation d'un

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11

Boulkenafed, Malika. "Gestion de l'accès aux données dans les réseaux sans fil en mode ad hoc." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2003. http://tel.archives-ouvertes.fr/tel-00469416.

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12

Boulkaibet, Ilyes. "Modelling collaborative motion in mobile ad hoc networks." Thesis, Stellenbosch : University of Stellenbosch, 2010. http://hdl.handle.net/10019.1/5155.

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Thesis (MSc (Mathematical Sciences)--University of Stellenbosch, 2010.<br>ENGLISH ABSTRACT: In this thesis, a pricing mechanism to stimulate cooperation between nodes in ad hoc networks is explored. The model incorporates incentives for users to act as transit nodes and carry the traffic between other nodes on multi-hop paths, and to be rewarded with their own ability to send traffic. The thesis investigates the consequences of this pricing model by means of simulation of a network and illustrates the way in which network resources are allocated to users according to their geographical p

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13

Baalaji, Venkateshwaraiyer S. "Collaborative services in an ad hoc wireless network." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2004. http://library.nps.navy.mil/uhtbin/hyperion/04Sep%5FBaalaji%5FITM.pdf.

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Thesis (M.S. in Information Technology Management)--Naval Postgraduate School, Sept. 2004.<br>Thesis advisor(s): Alex Bordetsky, Gurminder Singh. Includes bibliographical references (p. 71). Also available online.

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14

Janson, Thomas [Verfasser], and Christian [Akademischer Betreuer] Schindelhauer. "Energy-efficient collaborative beamforming in wireless ad hoc networks." Freiburg : Universität, 2015. http://d-nb.info/1114996335/34.

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15

Buszko, Dominik. "A lightweight collaborative API for ad-hoc mobile computing." [Florida] : State University System of Florida, 2000. http://etd.fcla.edu/etd/uf/2000/ane5875/edt5.pdf.

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Thesis (M.S.)--University of Florida, 2000.<br>Title from first page of PDF file. Document formatted into pages; contains x, 92 p.; also contains graphics. Vita. Includes bibliographical references (p. 88-91).

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16

Vu, Cong Hoan, and Adeyinka Soneye. "An Analysis of Collaborative Attacks on Mobile Ad hoc Networks." Thesis, Blekinge Tekniska Högskola, Sektionen för datavetenskap och kommunikation, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-2407.

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A Mobile Ad hoc Network (MANET) consists of a set of communicating wireless mobile nodes or devices that do not have any form of fixed infrastructure or centralized authority. The security in MANET has become a significant and active topic within the research community. This is because of high demand in sharing streaming video and audio in various applications, one MANET could be setup quickly to facilitate communications in a hostile environment such as battlefield or emergency situation likes disaster rescue operation. In spite of the several attacks aimed at specific nodes in MANET that hav

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17

Riedel, Alexander. "Collaborative scheduling using context-awarenes." Thesis, KTH, Kommunikationssystem, CoS, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-91110.

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Today most cellular phones, personal digital assistants, PCs, etc. offer an electronic calendar. Electronic calendars are especially useful for people who have many different meetings each day and who need to know when the meetings start and who is involved in each meeting. With the aid of a program a calendar can be published on web, shared with other people to enable collaboration, or synchronized between different devices. Current calendaring software offers an almost unlimited set of features and services. However, today such software does not utilize context-awareness, for example exploit

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18

Patibandla, Siva Teja. "Development of Mobile Ad-Hoc Network for Collaborative Unmanned Aerial Vehicles." VCU Scholars Compass, 2013. http://scholarscompass.vcu.edu/etd/3155.

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The purpose of this research was to develop a mobile ad-hoc network for collaborative Unmanned Aerial Vehicles (UAVs) based on a mesh networking standard called IEEE 802.11s. A low-cost, small form-factor, IEEE 802.11a based wireless modem was selected and integrated with the existing flight control system developed at Virginia Commonwealth University (VCU) UAV Laboratory. A self-configurable user-space application on the wireless modem was developed to provide functionality to collaborative algorithms, and to monitor the performance of the wireless network. The RAMS simulator, developed at VC

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19

Jingzhi, Guo, and n/a. "Integrating Ad Hoc Electronic Product Catalogues Through Collaborative Maintenance of Semantic Consistency." Griffith University. School of Computing and Information Technology, 2005. http://www4.gu.edu.au:8080/adt-root/public/adt-QGU20050824.125257.

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Existing electronic markets are fragmented in the sense that each is an information island. The interoperation of product information between them is difficult especially in semantics communication. This prevents the formation of global electronic markets and the lowering distribution cost through market globalisation. The traditional and contemporary ap-proaches of product standardisation and ontology mediation could solve the problem only if all markets could adopt the same product standards, or mediation systems could mediate all heterogeneous standards and markets without semantic conflict

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20

Gao, Feng. "Improving communications with Bluetooth enabled collaborative middleware in mobile ad-hoc networks." Thesis, University of Salford, 2010. http://usir.salford.ac.uk/26686/.

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The main aim of the research presented in this Thesis was to investigate 'how can collaborative middleware based CWE (Collaborative Working Environment), combined \\ith Bluetooth technology, enhance the communications of mobile users.' The high level collaborative middleware is a RTD (Research and Technology Development) challenge and one of most desirable medium to long term research outputs for CWEs. This research activity outlines a collaborative middleware that has been developed on Smartphone technology and enables the creation of a multi-user collaborative \\orking environment via a Blue

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21

Subramanian, Ramanan. "Modeling and analysis of the performance of collaborative wireless ad-hoc networks: an information-theoretic perspective." Diss., Georgia Institute of Technology, 2009. http://hdl.handle.net/1853/37083.

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This work focuses on the performance characterization of distributed collaborative ad-hoc networks, focusing on such metrics as the lifetime, latency, and throughput capacity of two such classes of networks. The first part concerns modeling and optimization of static Wireless Sensor Networks, specifically dealing with the issues of energy efficiency, lifetime, and latency. We analyze and characterize these performance measures and discuss various fundamental design tradeoffs. For example, energy efficiency in wireless sensor networks can only be improved at the cost of the latency (the delay i

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22

Guan, Wenyang. "Adaptive QoS control of DSRC vehicle networks for collaborative vehicle safety applications." Thesis, Swansea University, 2013. https://cronfa.swan.ac.uk/Record/cronfa42507.

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Road traffic safety has been a subject of worldwide concern. Dedicated short range communications (DSRC) is widely regarded as a promising enabling technology for collaborative safety applications (CSA), which can provide robust communication and affordable performance to build large scale CSA system. The main focus of this thesis is to develop solutions for DSRC QoS control in order to provide robust QoS support for CSA. The first design objective is to ensure robust and reliable message delivery services for safety applications from the DSRC networks. As the spectrum resources allocated to D

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23

Tay, Chee Bin, and Whye Kee Mui. "An architecture for network centric operations in unconventional crisis: lessons learnt from Singapore's SARS experience." Thesis, Monterey, California. Naval Postgraduate School, 2004. http://hdl.handle.net/10945/1303.

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Approved for public release, distribution is unlimited<br>Singapore and many parts of Asia were hit with Severe Acute Respiratory Syndrome (SARS) in March 2003. The spread of SARS lead to a rapidly deteriorating and chaotic situation. Because SARS was a new infection, there was no prior knowledge that could be referenced to tackle such a complex, unknown and rapidly changing problem. Fortunately, through sound measures coupled with good leadership, quick action and inter-agency cooperation, the situation was quickly brought under control. This thesis uses the SARS incident as a case study to i

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24

Huth, Carsten [Verfasser]. "Groupware-basiertes Ad-hoc-Workflow-Management: das GroupProcess-System : Konzeption und prototypische Implementierung einer "Collaboration on Demand"-Lösung zur Unterstützung von schwach strukturierten Prozessen in Unternehmen / vorgelegt von Carsten Huth." 2004. http://d-nb.info/987729381/34.

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25

Lin, Shan-Rung, and 林姍蓉. "Collaborative Data Transmission in Vehicular Ad-Hoc Network." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/69867748002524434827.

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碩士<br>國立東華大學<br>資訊工程學系<br>101<br>With the advances in wireless communications technology and affordable hardware, wireless networks have already crept into our daily lives such that people can use wireless communication devices (e.g. mobile phones, tablet PCs and notebook computers) to connect to the Roadside Unit (RSU) at any time and place. Through the network for uploading and downloading data, convenience is greatly improved. In recent years, VANETs (Vehicular Ad-Hoc Networks) issues have gained attention. Many major automobile companies (BMW, Ford, etc.) have extended the concept of acces

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26

Huang, Albert. "Ad-hoc Collaborative Document Annotation on a Tablet PC." 2003. http://hdl.handle.net/1721.1/3847.

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The use of technology as an effective educational tool has been an elusive goal in the past. Specifically, previous attempts at using small personal computers in the classroom to aid students as collaborative and note-taking tools have been met with lukewarm responses. Many of these past attempts were hampered by inferior hardware and the lack of an efficient and user-friendly interface. With the recent introduction of Tablet PC products on the market, however, the limitations imposed on software developers for mobile computing systems have been dramatically lowered. We present a collaborative

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27

Hsu, Wei-Lun, and 徐偉倫. "A Collaborative and Distributed Mechanism for Secure Routing in Mobile Ad-Hoc Networks." Thesis, 2005. http://ndltd.ncl.edu.tw/handle/34587621575084596581.

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碩士<br>國立交通大學<br>電信工程系所<br>93<br>The routing algorithm for the mobile ad-hoc networks enables the ad-hoc networks to use hop-by-hop transmission. This type of the transmission depends on the trust between nodes. If attackers inside the network attempt to fail the routing, it always leads to a lot of damage in the mobile ad-hoc networks routing. Therefore, a mechanism, called “Trust Evaluation Based Security Solution in Ad Hoc Networks [7]”, is proposed. Its idea is that nodes in the network can turn down the transmission request for untrustworthy nodes. This method cooperates with the source r

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Chien, Cheng-Chieh, and 簡正傑. "Improving Data Transmission for Collaborative Work Using Forwarding Nodes in Mobile Ad Hoc Environments." Thesis, 2007. http://ndltd.ncl.edu.tw/handle/38425350043712922317.

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碩士<br>國立成功大學<br>電腦與通信工程研究所<br>95<br>Mobile users are often involved in team activities and exhibit collaborative mobility in realistic ad-hoc network application scenarios. Due to diverse group mobility patterns, the network can remain partitioned for extended durations. This thesis describes an approach to reduce the communication disruptions by deploying forwarding nodes. The forwarding nodes explore periodically in order to gather network information for countering the influence from mobility and sparseness of node deployment. By selecting the rendezvous grids pair, the forwarding nodes can

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29

Yeh, Sheng-Wei, and 葉昇韋. "Simulation and Analysis of Collaborative Localization mechanism based on Distance Estimation between Nodes in Wireless Ad Hoc Networks." Thesis, 2013. http://ndltd.ncl.edu.tw/handle/49976747161705826668.

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碩士<br>國立臺北教育大學<br>資訊科學系碩士班<br>101<br>In recent years, the mobile device and wireless ad hoc network technique have been well developed. In addition, the applications of location technique also become mature. Therefore, under the wireless ad hoc network with enormous nodes, utilizing the received signal strength (RSS) between some fixed reference nodes and the collaborative localization mechanism to find the location of blind nodes is a popular issue in research. Regarding the related works, the algorithm which depends on the received signal strength indicator (RSSI) is the most intuitive way a

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30

Buchanan, Kristopher Ryan. "A Study Of Aperiodic (Random) Arrays of Various Geometries." Thesis, 2011. http://hdl.handle.net/1969.1/ETD-TAMU-2011-05-9415.

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The use of wireless communication techniques and network centric topologies for portable communication networks and platforms makes it important to investigate new distributed beamforming techniques. Platforms such as micro air vehicles (MAVs), unattended ground sensors (UGSs), and unpiloted aerial vehicles (UAVs) can all benefit from advances in this area by enabling advantages in stealth, enhanced survivability, and maximum maneuverability. Collaborative beamforming is an example of a new technique to utilize these systems which uses a randomly distributed antenna array with a fitting phase

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Dao, Thanh-Son. "A Decentralized Approach to Dynamic Collaborative Driving Coordination." Thesis, 2008. http://hdl.handle.net/10012/3927.

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This thesis presents a novel approach to several problems in intelligent transportation systems using collaborative driving coordination. With inter-vehicle communication and intelligent vehicle cooperation, important tasks in transportation such as lane position determination, lane assignment and platoon formation can be solved. Several topics in regard to inter-vehicle communication, lane positioning, lane assignment and platoon formation are explored in this thesis: First, the design and experimental results of low-cost lane-level positioning system that can support a large number of trans

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