Filters








189 Hits in 4.9 sec

Access points selection in super WiFi network powered by solar energy harvesting

Tingwu Wang, Chunxiao Jiang, Yong Ren
2016 2016 IEEE Wireless Communications and Networking Conference  
In this paper, we study the access point selection strategy from users' perspectives and consider Super WiFi networks powered by solar energy harvesting.  ...  Super WiFi is expected to enable the Internet access everywhere in a country. Considering the infrastructure deployment issues, energy harvesting technology is a promising solution for power supply.  ...  CONCLUSION In this paper, we have studied the selection problem of AP in Super WiFi powered by solar energy with negative externality.  ... 
doi:10.1109/wcnc.2016.7564863 dblp:conf/wcnc/WangJR16 fatcat:j6qm7cfpxrgybcbysaef4qyrta

Network Association Strategies for an Energy Harvesting Aided Super-WiFi Network Relying on Measured Solar Activity

Jingjing Wang, Chunxiao Jiang, Zhu Han, Yong Ren, Lajos Hanzo
2016 IEEE Journal on Selected Areas in Communications  
Index Terms-Super WiFi network, access point selection algorithm, energy harvesting model, MDP, POMDP.  ...  Relying on the rapidly developing energy harvesting techniques, we focus our attention on the sophisticated access point selection strategies conceived for the energy harvesting aided super-WiFi network  ...  Inspired by the above-mentioned open problems, in this paper, we conceive sophisticated AP selection strategies for an energy harvesting aided super-WiFi network.  ... 
doi:10.1109/jsac.2016.2621361 fatcat:yo6apvka3vhmjnegrdyqex5uiy

Access Strategy in Super WiFi Network Powered by Solar Energy Harvesting: A POMDP Method

Tingwu Wang, Jian Wang, Chunxiao Jiang, Jingjing Wang, Yong Ren
2016 2016 IEEE 83rd Vehicular Technology Conference (VTC Spring)  
In this paper, we propose a practical and efficient framework for multiple base stations access strategy in an EH powered Super Wi-Fi network.  ...  The recently announced Super Wi-Fi Network proposal in United States is aiming to enable Internet access in a nation-wide area.  ...  It is worth to mention that although our work focuses on solar energy harvesting, the conclusion and the algorithm could be generalized to any access problems in EH powered network.  ... 
doi:10.1109/vtcspring.2016.7504116 dblp:conf/vtc/WangWJWR16 fatcat:vsc4v3j4mjdntc7uevhhcataeu

Water Quality Monitoring Using Wireless Sensor Networks

Kofi Sarpong Adu-Manu, Cristiano Tapparello, Wendi Heinzelman, Ferdinand Apietu Katsriku, Jamal-Deen Abdulai
2017 ACM transactions on sensor networks  
In particular, we highlight recent developments in the sensor devices, data acquisition procedures, communication and network architectures, and power management schemes to maintain a long-lived operational  ...  In developing countries, 80% of people are without access to potable water. Cholera is still reported in over 50 countries.  ...  In this real-world application, ion-selective electrode transducers and solar panels for energy harvesting were used.  ... 
doi:10.1145/3005719 fatcat:bwpsetsadffnxi26nm2ls3cz7m

I3Mote: An Open Development Platform for the Intelligent Industrial Internet

Borja Martinez, Xavier Vilajosana, Il Kim, Jianwei Zhou, Pere Tuset-Peiró, Ariton Xhafa, Dominique Poissonnier, Xiaolin Lu
2017 Sensors  
This article describes the platform design, firmware and software ecosystem and characterizes its performance in terms of energy consumption.  ...  The I3Mote features the most advanced low-power components to tackle sensing, on-board computing and wireless/wired connectivity for demanding industrial applications.  ...  Il Han Kim specified the hardware and performed the various experiments to optimize the system performance, such as power consumption and energy harvesting, and contributed to the writing of the article  ... 
doi:10.3390/s17050986 pmid:28452945 pmcid:PMC5469339 fatcat:l4gswfigu5fw3l5nyggcxpmjpu

Remote health, activity, and asset monitoring with wireless sensor networks

M. Marzencki, P. Lin, T. Cho, J. Guo, B. Ngai, B. Kaminska
2011 2011 IEEE 13th International Conference on e-Health Networking, Applications and Services  
Monitoring of personnel and assets in harsh or remote environments is a great challenge both from the organizational and the technical points of view.  ...  The proposed system is reliable, inexpensive, rapidly deployable by minimally qualified personnel, automatically reconfigurable, and completely autonomous.  ...  To this end, we not only carefully optimized the energy consumption of these devices, but we also equipped them with ambient energy harvesting subsystems extending their lifetime through use of solar or  ... 
doi:10.1109/health.2011.6026796 fatcat:6pzv5v4wenhlzh43pis6zthope

A wireless carbon monoxide sensor node with hybrid power supply

Alexander Baranov, Denis Spirjakin, Saba Akbari, Andrey Somov, Roberto Passerone
2015 2015 IEEE International Instrumentation and Measurement Technology Conference (I2MTC) Proceedings  
To guarantee an autonomous operation, the sensor node is supported by a hybrid power supply, which takes advantage of both wind and solar ambient energy sources to power the node and to charge super capacitors  ...  Keywords-CO wireless gas sensor, gas monitoring, energy harvesting, power management This full text paper was peer-reviewed at the direction of IEEE Instrumentation and Measurement Society prior to the  ...  If the voltage across the super capacitors exceeds 0.4 V, the one with the most charged unit is selected for powering the node. C1 is supplied by wind energy and C2 by solar energy.  ... 
doi:10.1109/i2mtc.2015.7151410 dblp:conf/i2mtc/BaranovSASP15 fatcat:gj4qnik3qzf77kzrurkhjic37i

A Key 6G Challenge and Opportunity – Connecting the Remaining 4 Billions: A Survey on Rural Connectivity [article]

Elias Yaacoub, Mohamed-Slim Alouini
2019 arXiv   pre-print
In addition, energy and cost efficiency of the studied technologies are analyzed. Typical application scenarios in rural areas are discussed, and several country-specific use cases are surveyed.  ...  Providing connectivity to around half of the World population living in rural or underprivileged areas is a tremendous challenge, but also a unique opportunity.  ...  of renewable energy to the grid whenever the generated power by solar panels exceeds the network needs [247] .  ... 
arXiv:1906.11541v1 fatcat:kb6tpkvskjggbp25bt7it5iibm

A Comprehensive Review on Energy Harvesting Integration in IoT Systems from MAC Layer Perspective: Challenges and Opportunities

Golshan Famitafreshi, M. Shahwaiz Afaqui, Joan Melià-Seguí
2021 Sensors  
to select the suitable energy harvesters for different communication technologies within IoT systems.  ...  Due to the increasing trend in the number of IoT devices and their different levels of energy requirements, one of the significant concerns in IoT implementations is powering up the IoT devices with conventional  ...  The proposed protocol is implemented in the PowWow [177] platform, with a solar cell and a super capacitor to save the harvested energy.  ... 
doi:10.3390/s21093097 pmid:33946778 fatcat:u3sm7pvydve7jlg427ngdjaap4

Pixelated VLC-Backscattering for Self-Charging Indoor IoT Devices

Sihua Shao, Abdallah Khreishah, Hany Elgala
2017 IEEE Photonics Technology Letters  
In general, n-fold throughput enhancement is realized by utilizing n smaller VLC backscatters while incurring negligible additional energy using the same device space as that of a single large backscatter  ...  Visible light communication (VLC) backscatter has been proposed as a wireless access option for Internet of Things (IoT).  ...  The energy harvested from external sources (e.g. solar power, thermal energy and kinetic energy) is sufficient for the signal generation of the IoT devices [3] .  ... 
doi:10.1109/lpt.2016.2631946 fatcat:f7vv42dc3vb65al7vjoixy4zde

Project Codename — "Sensor Data Remote Acquisition"

Peteris Apse-Apsitis
2014 Journal of Advances in Computer Networks  
Data sensing in a variety of ways, transmission, collection, storage, analysis and resulting control, alarms, statistics etc. require knowledge in different fields to achieve the best and effective result  ...  "Meaning and importance of sensor data", "energy efficiency", "the most effective way for data transmission" etc. are common questions during system development and article share some practical experience  ...  air, 6) via energy harvesting from electromagnetic waves (radio stations, mobile networks), 7) via energy harvesting from electrostatic field (fluorescent lamps / compact fluorescent lamps), 8) via energy  ... 
doi:10.7763/jacn.2014.v2.119 fatcat:usjqedqx7nbifcpxehvoiuelmm

Long Range Communication on Batteryless Devices [article]

Simeon Babatunde, Nirnay Jain, Vishwas Powar
2020 arXiv   pre-print
that operate solely on harvested energy.  ...  In this paper, we present the technique for achieving Kilometer range communication on batteryless constraint devices by harnessing the capabilities of LoRa technology.  ...  In this paper, we present the technique for achieving Kilometer range communication on constrained devices that are powered by harvested energy (Solar) for long term operation.  ... 
arXiv:2009.09487v1 fatcat:ttkjom3psnbchgxe26sp2m7v4q

Towards the 1G of Mobile Power Network: RF, Signal and System Designs to Make Smart Objects Autonomous [article]

Bruno Clerckx, Alessandra Costanzo, Apostolos Georgiadis, Nuno Borges Carvalho
2017 arXiv   pre-print
We start by reviewing the engineering requirements and design challenges of making mobile power a reality.  ...  We then review the state-of-the-art in a wide range of areas spanning sensors and devices, RF design for wireless power and wireless communications.  ...  In this multi-user deployment, the energy harvested by a given rectenna in general depends on the energy harvested by the other rectennas.  ... 
arXiv:1712.06088v1 fatcat:nsmf55sj3fcsdjy5tvtkuenjn4

Advances and Open Problems in Backscatter Networking [article]

Vamsi Talla, Joshua Smith, Shyamnath Gollakota
2020 arXiv   pre-print
We then identify 10 research problems that remain to be solved in backscatter networking.  ...  We believe that addressing these problems can help deliver on backscatter's promise of low-power ubiquitous connectivity.  ...  Another approach is to leverage advances in video super resolution at the access point. 7. Acoustic backscatter on surfaces and in air.  ... 
arXiv:2011.03242v1 fatcat:eferd2ok4bbczpyri4sne6shf4

6G Massive Radio Access Networks: Key Applications, Requirements and Challenges

Ying Loong Lee, Donghong Qin, Li-Chun Wang, Gek Hong Sim
2020 IEEE Open Journal of Vehicular Technology  
Driven by the emerging use cases in massive access future networks, technological advancements and evolutions are needed for wireless communications beyond the fifth-generation (5G) networks.  ...  Last but not least, we present an artificial-intelligence-assisted network architecture for flexible 6G massive RANs with energy harvesting.  ...  For example, as depicted in Fig. 3 , terrestrial and drone communications can be supported by solar energy. Vibration and kinetic energies can power human body wearables.  ... 
doi:10.1109/ojvt.2020.3044569 fatcat:gweyrbufhze6pcicremz5sfnoe
« Previous Showing results 1 — 15 out of 189 results