bandwidth estimation for ieee802.11-based adhoc network system project and implimentation details
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hari krishna.chebrolu
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#1
28-05-2010, 01:23 AM


hai this is hari,studying final year mca ,at jesus pg college at hyd.i select the above project and implimentation for my acdamic year .i don't know about this project and implimentation so please help me
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projectsofme
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#2
01-07-2010, 09:43 PM


submitted by:Samarth H. Shah, Kai Chen, Klara Nahrstedt
Department of Computer Science
University of Illinois at Urbana-Champaign

INTRODUCTION

Available bandwidth estimation is a vital component of admission control for quality-of-service (QoS) in both wireline as well as wireless networks. In wireless networks, the available bandwidth undergoes fast time-scale variations due to channel fading and error from physical obstacles. These effects are not present in wireline networks, and make estimation of available bandwidth in wireless networks a challenging task. Furthermore, the wireless channel is also a shared-access medium, and the available bandwidth also varies with the number of hosts contending for the channel. Wireless last-hop networks employing the IEEE 802.11 protocol in Distributed Co-ordination Function (DCF) mode are becoming increasingly popular. In DCF mode, the 802.11 protocol does not require any centralized entity to co-ordinate usersâ„¢ transmissions. The MAC layer uses a CSMA/CA algorithm for shared use of the medium. In this extended abstract, we present an available bandwidth estimation scheme for IEEE 802.11-based wireless networks. Our scheme does not modify the CSMA/CA MAC protocol in any manner, but gauges the effect of phenomena such as medium contention, channel fading and interference, which influence the available bandwidth, on it. Based on the effect of the phenomena on the working of the medium-access scheme, we estimate the available bandwidth of a wireless host to each of its neighbors . for more information about bandwidth estimation for ieee802.11-based adhoc network system



please follow this link:
citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.11.796&rep=rep1&type=pdf
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sravanthiphani
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#3
15-03-2011, 07:27 PM

sir,i want code for bandwidth estimaiton for ieee802.11 based adhoc networks.can help me?
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