Reducing resource discovery time by spatio-temporal information in vehicular ad-hoc networks

Wolfson, Ouri; Xu, Bo; Yin, Huabei

doi:10.1145/1080754.1080773

Cited by 9 publications

(4 citation statements)

References 3 publications

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“…Let us compare DIK with other data dissemination metrics, including throughput, response time, trip-time [4] (the time taken by a vehicle to move from a source to a destination), and resource-discovery-time [8] (the time taken by a vehicle to discover and capture a physical resource such as a parking slot). First, DIK integrates throughput and response time.…”

Section: Discussionmentioning

confidence: 99%

Disseminating real-time traffic information in vehicular ad-hoc networks

Zhong

Wolfson

2008

2008 IEEE Intelligent Vehicles Symposium

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Abstract-In this paper we propose an algorithm for disseminating reports about real-time traffic conditions in vehicular ad-hoc networks. Using this method, each vehicle makes local decision on when to disseminate reports, how many to disseminate, and which reports to disseminate. In order to deal with the bandwidth and memory constraints, reports are prioritized in terms of their value, as reflected by supply and demand. We compare the proposed algorithm with Grassroots, an existing VANET dissemination algorithm. The comparison is based on simulation of vehicle mobility in a real road network and of the 802.11 protocol. The simulation results show that the proposed algorithm outperforms Grassroots in the environments where VANET dissemination is challenging.

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Section: Discussionmentioning

confidence: 99%

Disseminating real-time traffic information in vehicular ad-hoc networks

Zhong

Wolfson

2008

2008 IEEE Intelligent Vehicles Symposium

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“…Finally, in this paper we use the relevance function to prioritize the communicated resource reports. This paper differs from our prior work [14] in that in [14] we compare PPB with the client/server model whereas in this paper we compare PPB with other algorithms.…”

Section: Relevant Workmentioning

confidence: 95%

Resource Discovery Using Spatio-temporal Information in Mobile Ad-Hoc Networks

Wolfson

Yin

et al. 2005

Web and Wireless Geographical Information Systems

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Abstract. In this paper we examine the benefit of reports about resources in mobile ad-hoc networks. Each disseminated report represents information about a spatio-temporal event, such as the availability of a parking slot or a cab request. Reports are disseminated by a peer-to-peer broadcast paradigm, in which an object periodically broadcasts the reports it carries to encountered objects. We evaluate the value of resource information in terms of how much time is saved when using the information to discover resources, compared to the case when the information is not used.

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“…Relevance describes the degree of applicability of a received report. The relevance of a resource report R is calculated through a relevance function r(R) = -б-d e /v e [13]. During a vehicle's trip, it receives resource reports from resources or other vehicles.…”

Section: B Selection Strategy Based On Relevancementioning

confidence: 99%

A Novel Approach to Reduce Traffic Chaos in Emergency and Evacuation Scenarios

Rizvi

Olariu

Weigle

et al. 2007

2007 IEEE 66th Vehicular Technology Conference

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This paper proposes a novel chaos reducing information dissemination approach for spatio-temporal traffic information related to first responders and evacuation scenarios using Vehicular Ad Hoc Networks (VANETs). In our approach, we provide an emergency vehicle path clearing technique. Therefore, traffic confusion and chaos is lowered on evacuation and emergency vehicle routes. Simulation results show that our approach works efficiently without fully relying on any message relaying infrastructure.

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Reducing resource discovery time by spatio-temporal information in vehicular ad-hoc networks

Cited by 9 publications

References 3 publications

Disseminating real-time traffic information in vehicular ad-hoc networks

Disseminating real-time traffic information in vehicular ad-hoc networks

Resource Discovery Using Spatio-temporal Information in Mobile Ad-Hoc Networks

A Novel Approach to Reduce Traffic Chaos in Emergency and Evacuation Scenarios

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