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802.11 Link Quality and Its Prediction – An Experimental Study
[chapter]
2004
Lecture Notes in Computer Science
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We conclude that shadowing is an especially significant and hitherto underestimated factor in link quality prediction in MANETs. ...
In this paper it is shown that popular link quality prediction algorithms for 802.11 MANETs perform much more poorly when applied in real urban environments than they do in corresponding simulations. ...
Real-Time sentient objects: architectures and EXperimental evaluation). ...
doi:10.1007/978-3-540-30199-8_13
fatcat:bd2ee2wpkrctxgci43lced5wlu
An Experimental Study of Location Assisted Proactive Handover
2007
IEEE GLOBECOM 2007-2007 IEEE Global Telecommunications Conference
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We illustrate an experimental system that takes advantage of the mobile's relative location with the neighboring access point to perform proactive handoff. ...
It keeps track of the current location of the mobile and then uses the information from the neighboring networks to help perform the proactive handoff. ...
During the site survey process, an Ekahau Client does an active scan of 1 through 11 channels and determines the existing 802.11 APs in the neighborhood and creates an RSSI list. ...
doi:10.1109/glocom.2007.390
dblp:conf/globecom/DuttaCTFOFS07
fatcat:pmzn5svprfhcvilyow6fogdt64
Wireless Coexistence and Spectrum Sensing in Industrial Internet of Things: An Experimental Study
2015
International Journal of Distributed Sensor Networks
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IEEE 802.11. ...
The adoption of dense wireless sensor networks in industrial plants is mandatorily paired with the development of methods and tools for connectivity prediction. ...
The authors would like to express their gratitude to CNPq and Capes on their support for this work. They also thank Petrobras and Finep. ...
doi:10.1155/2015/627083
fatcat:rkonba5fbbgfjotsjbtp7uazz4
An experimental study on performance comparison of rate adaptation and fixed rate in IEEE 802.11g
2011
2011 Australasian Telecommunication Networks and Applications Conference (ATNAC)
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Qiang Fu for the continuous help and support of my master study and research, for his patience, motivation, enthusiasm, and immense knowledge. ...
IEEE 802.11 technology provides a low-cost wireless networking solution. ...
To perform an accurate comparable and repeatable experimental study of a wireless link, multiple tests must be obtained to reduce the impact on the external interference. ...
doi:10.1109/atnac.2011.6096661
dblp:conf/itnac/XiaF11
fatcat:hz6qgkma7nexflayoedb7zboja
An experimental study of inter-cell interference effects on system performance in unplanned wireless LAN deployments
2008
Computer Networks
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In this paper, we report on our experimental study of the effects of inter-cell interference on IEEE 802.11 performance. ...
According to conventional wisdom, the efficiency of an IEEE 802.11 network is determined by the number of active clients. ...
Acknowledgement We thank Dipankar Raychaudhuri and Ivan Seskar of WINLAB, Rutgers University for their valuable comments on this study. ...
doi:10.1016/j.comnet.2008.05.013
fatcat:xfkj3zw25jgr7jwghap5d54g7u
Applications and challenges of the 802.11e EDCA mechanism: an experimental study
2005
IEEE Network
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Applications and Challenges of the 802.11e EDCA Mechanism: An Experimental Study ...
In this article we conduct an experimental study of the enhanced distributed channel access mechanism of the upcoming 802.11e standard. ...
Acknowledgments The authors would like to thank José Félix Kukielka, Christos Douligeris, and anonymous referees for their insightful comments on earlier versions of this article. ...
doi:10.1109/mnet.2005.1470683
fatcat:6xm4vrjhbje7rikcxcu7obq2re
COMMUNICATION SUPPORT FOR MOBILE COLLABORATIVE WORK: AN EXPERIMENTAL STUDY
2012
International Journal of Information Technology and Decision Making
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This paper presents an experimental study with real devices and networks on a realistic physical environment that shows how ad-hoc networks can effectively support mobile collaborative work and the practical ...
The paper also presents the lessons learned in the study and it provides recommendations to deal with some networking issues related to real-world ad hoc networks. ...
Acknowledgments This work was partially supported by Fondecyt (Chile), grants 1120207, 11090224 and 1080352, by LACCIR grant R1210LAC002, and by the Spanish MEC project DELFIN TIN2010-20140-C03-01. ...
doi:10.1142/s0219622012400147
fatcat:k4xyal24l5evfcnsxbygdznn4i
MAC Rate Adaptation and Cross Layer Behavior for Vehicular WiFi Access: An Experimental Study
[article]
2016
arXiv
pre-print
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Our experimental study reveals that in general these algorithm perform poorly in vehicular settings, and can have an extremely adverse impact on TCP performance. ...
Towards this end, we evaluate the performance of four MAC bit rate adaptation algorithms; SampleRate, AMRR, Minstrel, and RRAA, and their interactions with transport layer protocols such as TCP in real ...
Each of these algorithms have an estimation window; an interval of packets or time which is used to predict the next bit rate. ...
arXiv:1610.03834v1
fatcat:whm6osalknbhxh5smaw2vcjkm4
Beam Searching for mmWave Networks with sub-6 GHz WiFi and Inertial Sensors Inputs: an experimental study
2021
Zenodo
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We leverage these findings to introduce SLASH, an algorithm that adaptively narrows the sector search space and accelerates link establishment, link maintenance and handover between mm-wave devices. ...
We experimentally evaluate SLASH with commodity hardware, including a 60 GHz testbed, commercial sub-6 GHz WiFi APs and smartphones. ...
Acknowledgment This research work was sponsored in part by the European Union's Horizon 2020 research and innovation programme under Grant No. 871249 (LOCUS), and in part by Ministerio de Ciencia, Innovación ...
doi:10.5281/zenodo.5602887
fatcat:s4arefnfl5egrbvg6l6qyqyn6m
Video Freeze Assessment of TPCAST Wireless Virtual Reality: An Experimental Study
2022
Applied Sciences
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This paper reports an experimental study that focuses on the VR video frame freeze length characteristics of a wireless VR solution. ...
Apart from bandwidth dynamics and latency, video freezes and their lengths are important temporal performance indicators that impact on the quality of experience (QoE) of networked VR applications and ...
It was decided to execute this experimental study using an HMD mounted on the headrest of a fullswivel chair, and to post-analyze the video traces for the appearance and length of potential freezes. ...
doi:10.3390/app12031733
fatcat:hu7ade4odjavdjkehepbn33mxu
An Exploratory Study of Experimental Tools for Wireless Sensor Networks
2011
Wireless Sensor Network
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These experimental tools provide the better option for studying the behavior of WSNs before and after implementing the physical one. ...
Also the statistics gathered from these experimental tools can be realistic and convenient. ...
the end-to-end data packet yield, a prediction for the future and the RF link quality, but is limited to these features.It allows querying the sensor network for collected data in a database-like manner ...
doi:10.4236/wsn.2011.37025
fatcat:xmmujz25sbdwdo4kf56wuc42n4
Comparability of RF-based indoor localisation solutions in heterogeneous environments: an experimental study
2016
International Journal of Ad Hoc and Ubiquitous Computing
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been evaluated using multiple metrics in three different test environments: two types of office environments and an industry-like factory environment. ...
To evaluate how these different conditions influence the localisation performance, in this paper an exhaustive set of experiments has been performed, in which three different localisation solutions have ...
measured RF energy and the quality of the received signals. ...
doi:10.1504/ijahuc.2016.078483
fatcat:t47r543nn5holbqjn5bmb22kty
An empirical study of bandwidth predictability in mobile computing
2008
Proceedings of the third ACM international workshop on Wireless network testbeds, experimental evaluation and characterization - WiNTECH '08
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While bandwidth predictability has been well studied in static environments, it remains largely unexplored in the context of mobile computing. ...
To gain a deeper understanding of this important issue in the mobile environment, we conducted an eight-month measurement study consisting of 71 repeated trips along a 23Km route in Sydney under typical ...
It is known that all these tools take a long time to converge to an estimate, which is not an issue for static networks. ...
doi:10.1145/1410077.1410081
dblp:conf/mobicom/YaoKH08
fatcat:ddsmgaazqjcqzn6kmeb4pvak4m
An experimental study on the effect of pattern recognition parameters on the accuracy of wireless-based task time estimation
2013
International Journal of Production Economics
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The results indicate that the parameters of the kNN algorithm can be experimentally tuned to improve the accuracy and to dramatically reduce the necessary computational time and the costs of performing ...
such radio frequency data is subject to systemic and random noise, leading to a reduction in the accuracy of the task time estimation. ...
The JN5139 microcontroller measures received power in terms of a link quality indicator (LQI) value on an integer scale that ranges from 0 to 255, where 255 represents the strongest signal. ...
doi:10.1016/j.ijpe.2013.04.006
fatcat:kwbuke6c5rf6jlg4lebt6gbdni
Link assessment in an indoor 802.11 network
2006
IEEE Wireless Communications and Networking Conference, 2006. WCNC 2006.
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This paper presents the empirical results and analysis of a link variability study for an indoor, stationary 802.11 network subject to external interference. ...
predict link quality in environments with significant external interference. ...
Our study focuses on an indoor 802.11 network and sheds further light on the causes of varying link quality. ...
doi:10.1109/wcnc.2006.1696492
dblp:conf/wcnc/SouryalKMM06
fatcat:kmvsyb5obbeutgnrv6tanhfts4
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