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2007 IEEE 65th Vehicular Technology Conference - VTC2007-Spring

Date 22-25 April 2007

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Displaying Results 1 - 25 of 650
  • [Title page - VTC Spring 2007]

    Publication Year: 2007, Page(s):ii - i
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  • [Copyright notice - VTC Spring 2007]

    Publication Year: 2007, Page(s): ii
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  • Welcome Messge from the General Chair - VTC Spring 2007

    Publication Year: 2007, Page(s): iii
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  • 04_Welcome from the Technical Programme Chair - VTC Spring 2007

    Publication Year: 2007, Page(s): iv
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  • Welcome from the Publications Chair - VTC Spring 2007

    Publication Year: 2007, Page(s): v
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  • Welcome from the VTS President - VTC Spring 2007

    Publication Year: 2007, Page(s): vi
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  • Patrons - VTC Spring 2007

    Publication Year: 2007
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  • Organizing Committees - VTC Spring 2007

    Publication Year: 2007, Page(s): viii
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  • Committees - VTC Spring 2007

    Publication Year: 2007, Page(s):ix - xii
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  • list-reviewer

    Publication Year: 2007, Page(s):xiii - l
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  • Final Program - VTC Spring 2007

    Publication Year: 2007, Page(s):li - lxxx
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  • Table of contents - VTC Spring 2007

    Publication Year: 2007, Page(s):lxxxi - cxvii
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  • Efficient Selective Image Transmission in Visual Sensor Networks

    Publication Year: 2007, Page(s):1 - 5
    Cited by:  Patents (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (121 KB) | HTML iconHTML

    Wireless sensor networks are under active research for tracking systems, where camera nodes are installed in a large area to take images of a targeted object. In this paper, we consider the scenario where the sensors around the object of interest capture images of it. Since some sensors are in similar viewing directions, the images they capture likely exhibit certain levels of correlation among th... View full abstract»

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  • Flexible Hardware/Software Platform for Tracking Applications

    Publication Year: 2007, Page(s):6 - 10
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (369 KB) | HTML iconHTML

    This paper describes the design, implementation and performance evaluation of a wireless sensor network based scalable outdoor vehicular tracking system. The system is highly flexible and configurable both from software and hardware architecture point of views and enables it to adapt to a wide range of vehicle tracking applications. We also present some intermediate results and the rationale behin... View full abstract»

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  • StreetSmart Traffic: Discovering and Disseminating Automobile Congestion Using VANET's

    Publication Year: 2007, Page(s):11 - 15
    Cited by:  Papers (56)  |  Patents (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (331 KB) | HTML iconHTML

    Automobile traffic is a major problem in developed societies. We collectively waste huge amounts of time and resources traveling through traffic congestion. Drivers choose the route that they believe will be the fastest; however traffic congestion can significantly change the duration of a trip. Significant savings of fuel and time could be achieved if traffic congestion patterns could be effectiv... View full abstract»

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  • Mobile Ad Hoc Network for Motorway Transport Applications

    Publication Year: 2007, Page(s):16 - 20
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (209 KB) | HTML iconHTML

    Mobile ad hoc networks in road transport applications exhibit special characteristics, mainly due to their dynamic chain behaviour. In this paper, we introduce a node decision algorithm in both the routing and packet priority mechanism, based on the node's driving direction with respect to the next hope towards packet destination. In the routing algorithm, a router direction index (RDI) parameter ... View full abstract»

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  • Adaptive Traffic Lights Using Car-to-Car Communication

    Publication Year: 2007, Page(s):21 - 25
    Cited by:  Papers (57)  |  Patents (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (361 KB) | HTML iconHTML

    Traffic coordination in intersections is a very studied and challenging topic. This paper presents an adaptive traffic light system based on wireless communication between vehicles and fixed controller nodes deployed in intersections. We present the integrated simulation environment we have developed in order to study the system. We argue that our system can significantly improve traffic fluency i... View full abstract»

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  • Data Fragmentation Scheme in IEEE 802.15.4 Wireless Sensor Networks

    Publication Year: 2007, Page(s):26 - 30
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (129 KB) | HTML iconHTML

    The IEEE 802.15.4 medium access control (MAC) protocol is designed for low data rate, short distance and low power communication applications such as wireless sensor networks (WSN). However, in the standard 802.15.4 MAC, if the remaining number of backoff periods in the current superframe are not enough to complete data transmission procedure, the sensor nodes hold the transmission until the next ... View full abstract»

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  • Improved Wireless Token Ring Protocol (IWTRP) for Wireless Metropolitan Area Networks

    Publication Year: 2007, Page(s):31 - 35
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (269 KB) | HTML iconHTML

    A multi-hop wireless metropolitan area network (WMAN) is a metropolitan area network that adopts the wireless multi-hop technique to provide high-speed data link between adjacent nodes for metropolitan area. This work presents an improved wireless token ring (IWTRP) protocol for W-MAN. IWTRP adopts the concept of spatial reuse to enhance the throughput of the W-MAN via using multiple tokens. It pr... View full abstract»

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  • An Interference-Aware Busy Tone Based MAC Protocol

    Publication Year: 2007, Page(s):36 - 40
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (236 KB) | HTML iconHTML

    Exposed and hidden terminal problems decrease the performance of 802.11 MAC protocol in mobile ad hoc network (MANET). We figure out that the two problems are due to a single fundamental reason, that is, 802.11 uses an oversimplified interference model. We propose an interference-aware busy tone based MAC protocol (IABT) to improve the throughput of MANET. Encoding the interference information in ... View full abstract»

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  • A Novel Topology Aware MAC Protocol for the Next Generation Wireless Ad Hoc Networks

    Publication Year: 2007, Page(s):41 - 45
    Cited by:  Papers (4)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (382 KB) | HTML iconHTML

    Hidden terminal is one of the major problems in ad hoc networks. In addition, there are scenarios where the destination of interest is located in the radio range of other transmitters, so that the efforts on establishing data communication with this mobile station will fail due to collisions that may occur between transmitted control frames and undesired received control and data frames. This phen... View full abstract»

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  • A Novel Multi-Channel MAC Protocol for Wireless Ad Hoc Networks

    Publication Year: 2007, Page(s):46 - 50
    Cited by:  Papers (7)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (413 KB) | HTML iconHTML

    The medium access control (MAC) protocol, which coordinates channel access between wireless stations, significantly affects network throughput of wireless ad hoc networks. A MAC protocol that is based on a multi-channel model can achieve high throughput by enabling more simultaneous transmission pairs in the network. In this paper, we investigate different designs of multi-channel MAC protocols an... View full abstract»

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  • Efficient Overlay Multicast Protocol in Mobile Ad hoc Networks

    Publication Year: 2007, Page(s):51 - 55
    Cited by:  Papers (1)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (378 KB) | HTML iconHTML

    Overlay multicast protocols in mobile ad hoc networks (MANET) have advantages that are low overhead and robustness in dynamic network topology by using the unicast routing protocol between group members. However, overlay data paths in overlay multicast can remain static even though the underlying physical topology is changing. Overlay multicast may lead to sub-optimal overlay data paths, since the... View full abstract»

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  • An Objective Trust Management Framework for Mobile Ad Hoc Networks

    Publication Year: 2007, Page(s):56 - 60
    Cited by:  Papers (5)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (151 KB) | HTML iconHTML

    In mobile ad hoc networks (MANETs), each node should not only work for itself, but should be cooperative with other nodes. Under such environment, some nodes may misbehave for individual interests. Currently two categories of trust management frameworks, reputation-based framework and trust establishment framework, are used to guarantee nodes to perform normal behavior. However, in reputation-base... View full abstract»

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  • A Novel Routing Path Discovery and Data Delivery Scheme for Ubiquitous Internet Connectivity Based on Hierarchical Mobile AODV6 Networks

    Publication Year: 2007, Page(s):61 - 65
    Cited by:  Papers (2)
    Request permission for commercial reuse | Click to expandAbstract | PDF file iconPDF (270 KB) | HTML iconHTML

    Recently, Internet connectivity in mobile ad hoc network (MANET) has been studied extensively in order to support ubiquitous Internet services to MANET users and provide interworking with other networks such as wireless local area network (WLAN) and cellular networks to extend the coverage of these networks. Although there have been a lot of works on connecting MANET with Internet, few works have ... View full abstract»

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