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https://www.readbyqxmd.com/read/28545239/lora-scalability-a-simulation-model-based-on-interference-measurements
#1
Jetmir Haxhibeqiri, Floris Van den Abeele, Ingrid Moerman, Jeroen Hoebeke
LoRa is a long-range, low power, low bit rate and single-hop wireless communication technology. It is intended to be used in Internet of Things (IoT) applications involving battery-powered devices with low throughput requirements. A LoRaWAN network consists of multiple end nodes that communicate with one or more gateways. These gateways act like a transparent bridge towards a common network server. The amount of end devices and their throughput requirements will have an impact on the performance of the LoRaWAN network...
May 23, 2017: Sensors
https://www.readbyqxmd.com/read/28525391/titanium-dioxide-nanowire-sensor-array-integration-on-cmos-platform-using-deterministic-assembly
#2
Oren Gall, Xiahua Zhong, Daniel Schulman, Myungkoo Kang, Ali Razavieh, Theresa Mayer
Nanosensor arrays have recently received significant attention due to their utility in a wide range of applications, including gas sensing, fuel cells, internet of things (IoT), and portable health monitoring systems. Less attention has been given to the production of sensor platforms in the µW range for ultra-low power applications. Here, we discuss how to scale the nanosensor energy demand by developing a process for integration of nanowire sensing arrays on a monolithic CMOS chip. This work demonstrates an off-chip nanowire fabrication method; subsequently nanowires link to a fused SiO2 substrate using electric-field assisted directed assembly...
May 19, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28505078/intra-minute-cloud-passing-forecasting-based-on-a-low-cost-iot-sensor-a-solution-for-smoothing-the-output-power-of-pv-power-plants
#3
Primož Sukič, Gorazd Štumberger
Clouds moving at a high speed in front of the Sun can cause step changes in the output power of photovoltaic (PV) power plants, which can lead to voltage fluctuations and stability problems in the connected electricity networks. These effects can be reduced effectively by proper short-term cloud passing forecasting and suitable PV power plant output power control. This paper proposes a low-cost Internet of Things (IoT)-based solution for intra-minute cloud passing forecasting. The hardware consists of a Raspberry PI Model B 3 with a WiFi connection and an OmniVision OV5647 sensor with a mounted wide-angle lens, a circular polarizing (CPL) filter and a natural density (ND) filter...
May 13, 2017: Sensors
https://www.readbyqxmd.com/read/28483744/etest-developing-a-smart-home-hiv-testing-kit-that-enables-active-real-time-follow-up-and-referral-after-testing
#4
Tyler Wray, Philip A Chan, Erik Simpanen, Don Operario
BACKGROUND: Men who have sex with men (MSM) are the group at highest risk for contracting human immunodeficiency virus (HIV) in the United States, but many do not test as frequently as recommended. Home-based self-testing (HBST) for HIV holds promise for promoting regular testing among these individuals, but currently available HBSTs have limited follow-up options, providing only a 1-800 number that participants can call. Failure to actively conduct follow-up counseling and referrals after HBST use could result in delays in seeking confirmatory testing and care among users receiving reactive (preliminary positive) test results...
May 8, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28479561/a-hybrid-algorithm-for-fall-detection
#5
Serkan Turkeli, Fikri Elmas, Huseyin Tanzer Atay, Kenan Kaan Kurt, Remzi Yalın Sonmez
Falling is a major problem among the people globally, frequently due to some health problems including vision loss or balance disorder as a consequence of aging. As a result of the falling in elder people; injuries, complications, neurological problems and mortality are generally occurred. This situation also affects the patients' families psychologically. A large number of studies show that significant fractures, injuries and in some cases death are commonly encountered in elderly. Nonetheless, in the immediate intervention, the rate of damage is reduced and the life quality can be significantly restored...
2017: Studies in Health Technology and Informatics
https://www.readbyqxmd.com/read/28475110/public-auditing-with-privacy-protection-in-a-multi-user-model-of-cloud-assisted-body-sensor-networks
#6
Song Li, Jie Cui, Hong Zhong, Lu Liu
Wireless Body Sensor Networks (WBSNs) are gaining importance in the era of the Internet of Things (IoT). The modern medical system is a particular area where the WBSN techniques are being increasingly adopted for various fundamental operations. Despite such increasing deployments of WBSNs, issues such as the infancy in the size, capabilities and limited data processing capacities of the sensor devices restrain their adoption in resource-demanding applications. Though providing computing and storage supplements from cloud servers can potentially enrich the capabilities of the WBSNs devices, data security is one of the prevailing issues that affects the reliability of cloud-assisted services...
May 5, 2017: Sensors
https://www.readbyqxmd.com/read/28473306/using-a-medical-intranet-of-things-system-to-prevent-bed-falls-in-an-acute-care-hospital-a-pilot-study
#7
Henri U Balaguera, Diana Wise, Chun Yin Ng, Han-Wen Tso, Wan-Lin Chiang, Aimee M Hutchinson, Tracy Galvin, Lee Hilborne, Cathy Hoffman, Chi-Cheng Huang, C Jason Wang
BACKGROUND: Hospitalized patients in the United States experience falls at a rate of 2.6 to 17.1 per 1000 patient-days, with the majority occurring when a patient is moving to, from, and around the bed. Each fall with injury costs an average of US $14,000. OBJECTIVE: The aim was to conduct a technology evaluation, including feasibility, usability, and user experience, of a medical sensor-based Intranet of things (IoT) system in facilitating nursing response to bed exits in an acute care hospital...
May 4, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28473195/-does-fertility-treatment-increase-the-risk-of-breast-cancer-current-knowledge-and-meta-analysis
#8
V Gabriele, J-C Benabu, J Ohl, C Akladios Youssef, C Mathelin
OBJECTIVE: The objective of this review was to assess the level of risk of breast cancer for women exposed to ovulation-inducing therapy (OIT). METHODS: The 25 selected studies were extracted from the PUBMED database from January 2000 until March 2016 with the following key-words: "fertility agents", "infertility treatments", "clomiphene citrate", "buserelin", "ovarian stimulation", "assisted reproductive technology" and "breast cancer". Our meta-analysis was performed using Review Manager software, Cochrane Collaboration, 2014...
May 2017: Gynecologie, Obstetrique, Fertilite & Senologie
https://www.readbyqxmd.com/read/28471390/software-defined-networking-for-improved-wireless-sensor-network-management-a-survey
#9
REVIEW
Musa Ndiaye, Gerhard P Hancke, Adnan M Abu-Mahfouz
Wireless sensor networks (WSNs) are becoming increasingly popular with the advent of the Internet of things (IoT). Various real-world applications of WSNs such as in smart grids, smart farming and smart health would require a potential deployment of thousands or maybe hundreds of thousands of sensor nodes/actuators. To ensure proper working order and network efficiency of such a network of sensor nodes, an effective WSN management system has to be integrated. However, the inherent challenges of WSNs such as sensor/actuator heterogeneity, application dependency and resource constraints have led to challenges in implementing effective traditional WSN management...
May 4, 2017: Sensors
https://www.readbyqxmd.com/read/28468330/openshs-open-smart-home-simulator
#10
Nasser Alshammari, Talal Alshammari, Mohamed Sedky, Justin Champion, Carolin Bauer
This paper develops a new hybrid, open-source, cross-platform 3D smart home simulator, OpenSHS, for dataset generation. OpenSHS offers an opportunity for researchers in the field of the Internet of Things (IoT) and machine learning to test and evaluate their models. Following a hybrid approach, OpenSHS combines advantages from both interactive and model-based approaches. This approach reduces the time and efforts required to generate simulated smart home datasets. We have designed a replication algorithm for extending and expanding a dataset...
May 2, 2017: Sensors
https://www.readbyqxmd.com/read/28468313/a-novel-certificateless-signature-scheme-for-smart-objects-in-the-internet-of-things
#11
Kuo-Hui Yeh, Chunhua Su, Kim-Kwang Raymond Choo, Wayne Chiu
Rapid advances in wireless communications and pervasive computing technologies have resulted in increasing interest and popularity of Internet-of-Things (IoT) architecture, ubiquitously providing intelligence and convenience to our daily life. In IoT-based network environments, smart objects are embedded everywhere as ubiquitous things connected in a pervasive manner. Ensuring security for interactions between these smart things is significantly more important, and a topic of ongoing interest. In this paper, we present a certificateless signature scheme for smart objects in IoT-based pervasive computing environments...
May 1, 2017: Sensors
https://www.readbyqxmd.com/read/28468291/canoe-an-autonomous-infrastructure-free-indoor-navigation-system
#12
Kai Dong, Wenjia Wu, Haibo Ye, Ming Yang, Zhen Ling, Wei Yu
The development of the Internet of Things (IoT) has accelerated research in indoor navigation systems, a majority of which rely on adequate wireless signals and sources. Nonetheless, deploying such a system requires periodic site-survey, which is time consuming and labor intensive. To address this issue, in this paper we present Canoe, an indoor navigation system that considers shopping mall scenarios. In our system, we do not assume any prior knowledge, such as floor-plan or the shop locations, access point placement or power settings, historical RSS measurements or fingerprints, etc...
April 30, 2017: Sensors
https://www.readbyqxmd.com/read/28465531/high-performance-and-low-power-monolithic-three-dimensional-sub-50%C3%A2-nm-poly-si-thin-film-transistor-tfts-circuits
#13
Tsung-Ta Wu, Wen-Hsien Huang, Chih-Chao Yang, Hung-Chun Chen, Tung-Ying Hsieh, Wei-Sheng Lin, Ming-Hsuan Kao, Chiu-Hao Chen, Jie-Yi Yao, Yi-Ling Jian, Chiung-Chih Hsu, Kun-Lin Lin, Chang-Hong Shen, Yu-Lun Chueh, Jia-Min Shieh
Development of manufacture trend for TFTs technologies has focused on improving electrical properties of films with the cost reduction to achieve commercialization. To achieve this goal, high-performance sub-50 nm TFTs-based MOSFETs with ON-current (Ion)/subthreshold swing (S.S.) of 181 µA/µm/107 mV/dec and 188 µA/µm/98 mV/dec for NMOSFETs and PMOSFETs in a monolithic 3D circuit were demonstrated by a low power with low thermal budget process. In addition, a stackable static random access memory (SRAM) integrated with TFTs-based MOSFET with static noise margins (SNM) equals to 390 mV at VDD = 1...
May 2, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28459848/least-mean-square-fourth-based-microgrid-state-estimation-algorithm-using-the-internet-of-things-technology
#14
Md Masud Rana
This paper proposes an innovative internet of things (IoT) based communication framework for monitoring microgrid under the condition of packet dropouts in measurements. First of all, the microgrid incorporating the renewable distributed energy resources is represented by a state-space model. The IoT embedded wireless sensor network is adopted to sense the system states. Afterwards, the information is transmitted to the energy management system using the communication network. Finally, the least mean square fourth algorithm is explored for estimating the system states...
2017: PloS One
https://www.readbyqxmd.com/read/28452937/an-authentication-protocol-for-future-sensor-networks
#15
Muhammad Bilal, Shin-Gak Kang
Authentication is one of the essential security services in Wireless Sensor Networks (WSNs) for ensuring secure data sessions. Sensor node authentication ensures the confidentiality and validity of data collected by the sensor node, whereas user authentication guarantees that only legitimate users can access the sensor data. In a mobile WSN, sensor and user nodes move across the network and exchange data with multiple nodes, thus experiencing the authentication process multiple times. The integration of WSNs with Internet of Things (IoT) brings forth a new kind of WSN architecture along with stricter security requirements; for instance, a sensor node or a user node may need to establish multiple concurrent secure data sessions...
April 28, 2017: Sensors
https://www.readbyqxmd.com/read/28448469/distributed-data-service-for-data-management-in-internet-of-things-middleware
#16
Ruben Cruz Huacarpuma, Rafael Timoteo de Sousa Junior, Maristela Terto de Holanda, Robson de Oliveira Albuquerque, Luis Javier García Villalba, Tai-Hoon Kim
The development of the Internet of Things (IoT) is closely related to a considerable increase in the number and variety of devices connected to the Internet. Sensors have become a regular component of our environment, as well as smart phones and other devices that continuously collect data about our lives even without our intervention. With such connected devices, a broad range of applications has been developed and deployed, including those dealing with massive volumes of data. In this paper, we introduce a Distributed Data Service (DDS) to collect and process data for IoT environments...
April 27, 2017: Sensors
https://www.readbyqxmd.com/read/28448451/time-aware-service-ranking-prediction-in-the-internet-of-things-environment
#17
Yuze Huang, Jiwei Huang, Bo Cheng, Shuqing He, Junliang Chen
With the rapid development of the Internet of things (IoT), building IoT systems with high quality of service (QoS) has become an urgent requirement in both academia and industry. During the procedures of building IoT systems, QoS-aware service selection is an important concern, which requires the ranking of a set of functionally similar services according to their QoS values. In reality, however, it is quite expensive and even impractical to evaluate all geographically-dispersed IoT services at a single client to obtain such a ranking...
April 27, 2017: Sensors
https://www.readbyqxmd.com/read/28447513/clinical-utility-of-different-anti-m%C3%A3-llerian-hormone-amh-assays-for-the-purpose-of-pregnancy-prediction
#18
Joanna Liss, Michal Kunicki, Adam Czyzyk, Ewa Pastuszek, Judyta Zabielska, Blazej Meczekalski, Krzysztof Lukaszuk
PURPOSE: Comparison of outcomes of IVF cycles where the AMH levels was measured with five different AMH kits: Immunotech (IOT), Beckman Coulter II Gen. RUO, Beckman Coulter II Gen. IVD (BC II IVD), Ansh Labs ultrasensitive (Ansh) and the automated Elecsys Roche assay. METHODS: Retrospective analysis of clinical data for 3693 cycles. RESULTS: In women < 35 years with low (<0.6 ng/ml) and high (>1.4 ng/ml) AMH concentrations, and in those > 39 years with medium (≥0...
April 27, 2017: Gynecological Endocrinology
https://www.readbyqxmd.com/read/28434408/secure-internet-of-things-based-cloud-framework-to-control-zika-virus-outbreak
#19
Sanjay Sareen, Sandeep K Sood, Sunil Kumar Gupta
OBJECTIVES: Zika virus (ZikaV) is currently one of the most important emerging viruses in the world which has caused outbreaks and epidemics and has also been associated with severe clinical manifestations and congenital malformations. Traditional approaches to combat the ZikaV outbreak are not effective for detection and control. The aim of this study is to propose a cloud-based system to prevent and control the spread of Zika virus disease using integration of mobile phones and Internet of Things (IoT)...
April 24, 2017: International Journal of Technology Assessment in Health Care
https://www.readbyqxmd.com/read/28423799/global-ehealth-social-business-and-citizen-engagement
#20
Siaw-Teng Liaw, Mahfuz Ashraf, Pradeep Ray
The UNSW WHO Collaborating Centre (WHOCC) in eHealth was established in 2013. Its designated activities are: mHealth and evidence-based evaluation, including use case analyses. The UNSW Yunus Social Business Health Hub (YSBHH), established in 2015 to build on the Yunus Centre/Grameen Bank eHealth initiatives, added social business and community participation dimensions to the UNSW global eHealth program. The Grameen Bank is a social business built around microcredit, which are small loans to poor people to enable them to "produce something, sell something, earn something to develop self-reliance and a life of dignity"...
2017: Studies in Health Technology and Informatics
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