NDLI: Vehicular opportunistic communication under the microscope

Please wait, while we are loading the content...

Cell phones as a research platform

Context browsing with mobiles - when less is more

NodeMD: diagnosing node-level faults in remote wireless sensor systems

Improving mobile database access over wide-area networks without degrading consistency

Shooter localization and weapon classification with soldier-wearable networked sensors

Triage: balancing energy and quality of service in a microserver

MobiSteer: using steerable beam directional antenna for vehicular network access

SmokeScreen: flexible privacy controls for presence-sharing

Simplifying cyber foraging for mobile devices

P2P, DSM, and other products of the complexity factory

PageTailor: reusable end-user customization for the mobile web

MyExperience: a system for in situ tracing and capturing of user feedback on mobile phones

Real-time deployment of multihop relays for range extension

Experiences of designing and deploying intelligent sensor nodes to monitor hand-arm vibrations in the field

Context-for-wireless: context-sensitive energy-efficient wireless data transfer

Vehicular opportunistic communication under the microscope

Preserving location privacy in wireless lans

COMBINE: leveraging the power of wireless peers through collaborative downloading

MobiUS: enable together-viewing video experience across two mobile devices

Dali: a communication-centric data abstraction layer for energy-constrained devices in mobile sensor networks

Radio interferometric tracking of mobile wireless nodes

Wireless wakeups revisited: energy management for voip over wi-fi smartphones

Surface street traffic estimation

SmartSiren: virus detection and alert for smartphones

Vehicular opportunistic communication under the microscope

Content Provider	ACM Digital Library
Author	Hadaller, David Brecht, Tim Keshav, Srinivasan Agarwal, Shubham
Abstract	We consider the problem of providing vehicular Internet access using roadside 802.11 access points. We build on previous work in this area [18, 8, 5, 11] with an extensive experimental analysis of protocol operation at a level of detail not previously explored. We report on data gathered with four capture devices from nearly 50 experimental runs conducted with vehicles on a rural highway. Our three primary contributions are: (1) We experimentally demonstrate that, on average, current protocols only achieve 50% of the overall throughput possible in this scenario. In particular, even with a streamlined connection setup procedure that does not use DHCP, high losses early in a vehicular connection are responsible for the loss of nearly 25% of overall throughput, 15% of the time. (2) We quantify the effects of ten problems caused by the mechanics of existing protocols that are responsible for this throughput loss; and (3) We recommend best practices for using vehicular opportunistic connections. Moreover, we show that overall throughput could be significantly improved if environmental information was made available to the 802.11 MAC and to TCP. The central messagein this paper is that wireless conditions in the vicinity of a roadside access point are predictable, and by exploiting this information, vehicular opportunistic access can be greatly improved.
Starting Page	206
Ending Page	219
Page Count	14
File Format	PDF
ISBN	9781595936141
DOI	10.1145/1247660.1247685
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2007-06-13
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Opportunistic internet access Vehicular communication 802.11 mac bit rate selection
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Determining precise distance in a highly mobile environment using imprecise GPS measurements

Bit-Rate Selection in Multi-vehicular Networks

Vehicular Opportunistic Communication Under the Microscope (2007)

TITLE = {Opportunistic Wireless Internet Access in Vehicular Environments Using Enhanced

An opportunistic IEEE 802.11 medium access control protocol

Vehicular Opportunistic Communication Under the Microscope, MobiSys 2007

BRAVE: bit-rate adaptation in vehicular environments

Performance analysis of 802.11-based Internet access for highways with multiclass traffic flows

Throughput and Fairness Analysis of 802.11-Based Vehicle-to-Infrastructure Data Transfers

Vehicular opportunistic communication under the microscope

Similar Documents

Determining precise distance in a highly mobile environment using imprecise GPS measurements

Bit-Rate Selection in Multi-vehicular Networks

Vehicular Opportunistic Communication Under the Microscope (2007)

TITLE = {Opportunistic Wireless Internet Access in Vehicular Environments Using Enhanced

An opportunistic IEEE 802.11 medium access control protocol

Vehicular Opportunistic Communication Under the Microscope, MobiSys 2007

BRAVE: bit-rate adaptation in vehicular environments

Performance analysis of 802.11-based Internet access for highways with multiclass traffic flows

Throughput and Fairness Analysis of 802.11-Based Vehicle-to-Infrastructure Data Transfers

Vehicular opportunistic communication under the microscope