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Ambient Interference Effects in Wi-Fi Networks [chapter]

Aniket Mahanti, Niklas Carlsson, Carey Williamson, Martin Arlitt
2010 Lecture Notes in Computer Science  
Overall, we find that the campus network is exposed to a large variety of non-Wi-Fi devices, and that these devices can have a significant impact on the interference level in the network.  ...  Using both controlled experiments and production environment measurements, we quantify the impact of these devices on the performance of 802.11 Wi-Fi networks.  ...  Acknowledgements Financial support for this research was provided by Informatics Circle of Research Excellence (iCORE) in the Province of Alberta, as well as by Canada's Natural Sciences and Engineering  ... 
doi:10.1007/978-3-642-12963-6_13 fatcat:t6ggsca3izewnnnoshrzo46h7y

Multi-channel reliability and spectrum usage in real homes: Empirical studies for home-area sensor networks

Mo Sha, Gregory Hackmann, Chenyang Lu
2011 2011 IEEE Nineteenth IEEE International Workshop on Quality of Service  
We characterize the ambient wireless environment in six apartments through passive spectrum analysis across the entire 2.4 GHz band over seven days in each apartment.  ...  These applications impose unique QoS constraints, requiring low data rates but high network reliability in the face of unpredictable wireless environments.  ...  If Wi-Fi is indeed the dominant interferer in residential settings, then HANs could leverage solutions which are specifically designed to avoid interference from Wi-Fi networks (e.g., [15] ).  ... 
doi:10.1109/iwqos.2011.5931349 dblp:conf/iwqos/ShaHL11 fatcat:a7jpbflhbrf7hey7g6c44wjife

Wi-Fi and LTE-LAA coexistence problems, challenges and features in 5GHz unlicensed bandwidth

Maqsood Sulaimani, Seçkin Arı
2019 Sakarya University Journal of Science  
The extension of LTE to the 5GHz unlicensed bandwidth where it is already in used by Wi-Fi will create huge coexistence problems between Wi-Fi and LTE.  ...  To find an effective solution and expand the capacity of cellular networks, operators have started deployment of Long Term Evolution (LTE) in unlicensed bandwidth, exactly utilizing 5GHz unlicensed bandwidth  ...  Hence, the performance of Wi-Fi degrades when coexist with LAA and LTE-U.The study in [15] evaluated the ambient inference effects in 2.4GHz for Wi-Fi networks.  ... 
doi:10.16984/saufenbilder.557409 fatcat:d5qhyczblvhzdfui2mynhvfsvu

Green Environment Monitoring System (Gems) for Industries using Li-Fi Technology

S. Vijay, K. Geetha
2016 Indian Journal of Science and Technology  
Different sensors are deployed to monitor various parameters namely temperature, Gas and light intensity in an industrial environment and these sensors transmit the sensed information using Li-Fi technology  ...  The designed system provides communication at the rate of 1.5 Mb/s over a distance of 5 meters and they are free from electromagnetic interference.  ...  The Li-Fi solves the traditional issues in radio frequency communication such as Wi-Fi and Zigbee interference in industrial monitoring applications.  ... 
doi:10.17485/ijst/2016/v9i48/108019 fatcat:swvhaufeibhutlb42mzokj4clq

Wi-Fi as a Commercial Service: New Technology and Policy Implications

David P. Reed, Jim Lansford
2013 Social Science Research Network  
Consequently, with the Wi-Fi ecosystem functioning as an effective spectrum manager, we conclude that the service provider investment in Public Wi-Fi networks is rational and the risk posed by saturation  ...  Thus, service providers increasingly need functionality in Wi-Fi technology to manage interference, and monitor and improve network performance.  ... 
doi:10.2139/ssrn.2238158 fatcat:wkatpkphjbezxagr4lg7mgb4vm

Wi-Fi as a Commercial Service: New Technology and Policy Implications

David Reed, James Lansford
2014 Telecommunications Policy  
Consequently, with the Wi-Fi ecosystem functioning as an effective spectrum manager, we conclude that the service provider investment in Public Wi-Fi networks is rational and the risk posed by saturation  ...  Thus, service providers increasingly need functionality in Wi-Fi technology to manage interference, and monitor and improve network performance.  ... 
doi:10.1016/j.telpol.2014.04.005 fatcat:zmquehd3afcrlhtzdi5z2qzisy

Passive Wi-Fi: Bringing Low Power to Wi-Fi Transmissions

Bryce Kellogg, Vamsi Talla, Shyamnath Gollakota, Joshua R. Smith
2016 Symposium on Networked Systems Design and Implementation  
Wi-Fi has traditionally been considered a power-consuming communication system and has not been widely adopting in the sensor network and IoT space.  ...  Building on this, we also present a network stack design that enables passive Wi-Fi transmitters to coexist with other devices in the ISM band, without incurring the power consumption of carrier sense  ...  This work was funded in part by NSF under awards CNS-1452494 and CNS-1407583 and a Qualcomm fellowship.  ... 
dblp:conf/nsdi/KelloggTGS16 fatcat:4hsqjj3yvbbz5ois4bxxtzxo4q

A Survey on Spectrum Utilization in Wireless Sensor Networks

Hongyao Luo, Zhichuan Huang, Ting Zhu
2015 Journal of Sensors  
Moreover, ISM band, as the main communication medium of WSN, should be reasonably utilized in an efficient and effective manner.  ...  In recent years, the industrial, scientific, and medical (ISM) bands have been intensively shared with unlicensed wireless communications applications such as wireless sensor networks (WSNs).  ...  In contrast to battery based sensor network, the goal of SSN is to effectively utilize ambient energy.  ... 
doi:10.1155/2015/624610 fatcat:zwp2y6zchzfpfeutagtsp5d3hu

EMI-Specific Performance Integrity of OS Migration (Teleportation) Over a Wireless Channel Such as WLAN

Yusuke Kimura, Masahiko Sano, Perambur S. Neelakanta
2012 Advanced Computational Techniques in Electromagnetics  
Specifically, the interfering effects of coexisting IEEE 802.11 devices on OS migration are analyzed via spectrum spill-over effects and host-to-interferer separation.  ...  The performance aspects of OS migration implemented in a wireless LAN (WLAN) environment is investigated taking into account of underlying physical-layer based constraints due to EMI/RFI implications in  ...  Further, he deeply appreciates the courtesy of FAU in hosting him and he gratefully recognizes Dr. P.S.  ... 
doi:10.5899/2012/acte-00120 fatcat:mey2dt7bmfflfbmk2yihqsewam

Wi-FM: Resolving Neighborhood Wireless Network Affairs by Listening to Music

Marcel Flores, Uri Klarman, Aleksandar Kuzmanovic
2015 2015 IEEE 23rd International Conference on Network Protocols (ICNP)  
In particular, we focus on the problem commonly arising in home networks where devices from neighboring, yet autonomous and non-collaborative, Wi-Fi networks systematically "step on each other's feet",  ...  To the best of our knowledge, our system is the first to enable such mutuallybeneficial, autonomous, and implicit harmonization among Wi-Fi devices across administrative network bounds.  ...  While similar in its use of RDS, Wi-FM enables effective node harmonization among unmanaged Wi-Fi networks and devices.  ... 
doi:10.1109/icnp.2015.52 dblp:conf/icnp/FloresKK15 fatcat:doet2mqdjbg2phwhp42fecj4km

Evaluation of Electromagnetic Interference and Exposure Assessment from s-Health Solutions Based on Wi-Fi Devices

Silvia de Miguel-Bilbao, Erik Aguirre, Peio Lopez Iturri, Leire Azpilicueta, José Roldán, Francisco Falcone, Victoria Ramos
2015 BioMed Research International  
In this work, the emissions from Wi-Fi transceivers applicable to context aware scenarios are analyzed in terms of potential interference and assessment on exposure guideline compliance.  ...  The results show in general compliance with exposure levels and the impact of overall network deployment, which can be optimized in order to reduce overall interference levels while maximizing system performance  ...  A specific architecture to generate traffic from the Wi-Fi module was implemented in order to operate the employed Wi-Fi module, depicted in Figure 2 .  ... 
doi:10.1155/2015/784362 pmid:25632400 pmcid:PMC4303011 fatcat:knvbadynenb23emas5f6f42qyu

PASSIVE WI-FI

Bryce Kellogg, Vamsi Talla, Joshua R. Smith, Shyamnath Gollakot
2017 GetMobile Mobile Computing and Communications  
Wi-Fi has traditionally been considered a power-consuming communication system and has not been widely adopting in the sensor network and IoT space.  ...  Building on this, we also present a network stack design that enables passive Wi-Fi transmitters to coexist with other devices in the ISM band, without incurring the power consumption of carrier sense  ...  This work was funded in part by NSF under awards CNS-1452494 and CNS-1407583 and a Qualcomm fellowship.  ... 
doi:10.1145/3036699.3036711 fatcat:eju2x6vj4zakdhmxj2pnnbnzbu

Effects of Implementing Adaptable Channelization in Wi-Fi Networks

Abid Hussain, Nazar Abbas Saqib
2016 Mobile Information Systems  
In this work, we investigate the use of dynamic and flexible channelization, for optimal spectrum utilization in Wi-Fi networks.  ...  The situation becomes even worse due to inefficient frequency distribution protocols, deployed in trivial Wi-Fi networks.  ...  A central management server constituting Dell There is no interference of any other Wi-Fi network operating in close vicinity.  ... 
doi:10.1155/2016/7494903 fatcat:7i6z7hsnxzaspeqq4dtkrwumii

Video Streaming over 802.11b in the Presence of Fading Due to Human Traffic and Bluetooth Interference

Karma Kelzang Eudon, Brent R. Petersen
2009 2009 Seventh Annual Communication Networks and Services Research Conference  
The performance of video streaming over 802.11b is evaluated through experimental measurements in the presence of fading due to human traffic, distance and Bluetooth interference, which shares the same  ...  The received video signal quality was measured in terms of the clock jumps observed in the video showing a ticking analog clock.  ...  The measurement was repeated at Q2 in the same location by keeping the fire door open for Wi-Fi network coverage.  ... 
doi:10.1109/cnsr.2009.16 dblp:conf/cnsr/EudonP09 fatcat:rg7mbeasn5gv5eehqhj7htldie

ISM-Advanced: Improved access rules for unlicensed spectrum

Arturas Medeisis, John Sydor, Ligia C. Cremene, Oliver Holland, Aurimas Anskaitis, Dariusz Wiecek, Yoram Haddad, Tomas Cuzanauskas
2014 2014 IEEE International Symposium on Dynamic Spectrum Access Networks (DYSPAN)  
Access to unlicensed spectrum has thus far been based on simplistic rules, such as a transmission power limitation, requirement for tolerance of interference, and a relaxed out-of-band transmission mask  ...  In view of the increased use and allocations being seen of unlicensed spectrum, it is suggested that the policies and technical rules that govern dynamic spectrum access in ISM bands be reviewed bringing  ...  Real world testing of Wi-Fi networks [31] reveals that networks working in congested interference environments can sustain considerable throughput degradation.  ... 
doi:10.1109/dyspan.2014.6817796 dblp:conf/dyspan/MedeisisSCHAWHC14 fatcat:vqqqeq3fgfebzkh2m7my7kgiae
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