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Carotid — femoral pulse wave velocity is an established measure to assess cardiovascular risk and an interesting surrogate parameter towards non-invasive continuous blood pressure inference. Due to progress in sensing technologies for wearable wrist worn sensors, there are low cost sensor combinations of photo-plethysmography and high fidelity accelerometers available offering access to pulse information...
Wireless Body Area Networks (WBANs) are one of the key technologies that support the development of digital health care, which has attracted increasing attention in recent years. Compared with general Wireless Sensor Networks (WSNs), WBANs have more stringent requirements on reliability and energy efficiency. Though WBANs are applied within limited transmission range, the on-body channel condition...
The area of wireless sensor network (WSN) being alluring among community of researchers finding it to be diverse for instance defence security, civilian applications & medical research. Issues of routing in WSN for the sake of usability in computationally constrained and resource constrained micro sensors are complex. Aforementioned coercion hinder line-up of conventional networking system devised...
With the advancement of sensor-embedded mobile electronic devices, participatory sensing has attracted more and more attention because it can collect data, analyze information and outsource tasks to those devices' users. However, range query results obtained at the requesters and dissemination data produced at the providers are usually sensitive and private to be disclosed, e.g., users' locations,...
Cooperative spectrum sensing(CSS) can effectively improve sensing accuracy and suppress channel fading effects. But it can be threatened by malicious users (MUs). MUs may try to forge sensing results to indicate that the primary user exists even when there is no primary user(PU). So MUs can monopolize the spectrum usage, thereby depriving other users of their spectrum opportunities. Based on a more...
This paper describes a reasoning approach to decision making with uncertain heterogeneous (soft and hard) information of variable reliability based on belief-based argumentation. Arguments are built to support or refute a set of hypotheses about the situation of interest. Beliefs in the arguments are fused and used for decision making. The fusion process is complicated by different models used for...
Wireless sensor network is spatially distributed sensors with limited battery life and buffer capacity, in disaster prone sensor network event occurrence ratio is very high, in such situations there are lot of chances of congestion and data loss, reliable data collection in such situation is very challenging task, the proposed tour strategy with ADCN will help to reduce the data loss with tour strategy...
Spin-transfer torque random access memory (STT-RAM) has emerged as a promising nonvolatile memory technology for its fast speed, small footprint and zero standby power. However, the unique and unusual high asymmetric error rates at different memory bit operations, which are proved to be far beyond the efficiency of common error correction codes (ECCs), greatly hinder its applications. In this work,...
In the near future, networked wireless devices outnumber traditional electronic appliances. Internet of Things will enable a plethora of new applications in environmental monitoring, agricultural industry, medical diagnostics, security and transportation business, in analysis of equipment performance, conditions, troubleshooting and monitoring. Nowadays, the concept of wireless sensor networks is...
Phase change memory (PCM) has emerged as a promising non-volatile memory technology. Multi-level cell (MLC) PCM, while effectively reducing per bit fabrication cost, suffers from resistance drift based soft errors. It is challenging to construct reliable MLC chips that achieve high performance, high storage density, and low energy consumption simultaneously. In this paper, we propose ReadDuo, a fast...
This paper proposes a system for management, control and monitoring a group of LED luminaires of a street lighting infrastructure, enabling the measurement of certain parameters that are useful for a more proper and efficient operation of public lighting, while still monitoring the power quality of the electrical grid. These parameters include dimming level, power consumption, power factor, detection...
This paper reviews the state of the art on several issues in connected health networks and devices, such as testing and verification of these systems, security and privacy issues, efficiency and analysis of connected health. Then several open issues and challenges in the area are presented. Due to the increasing interest of medical and health related devices and networks, a review that summarizes...
In cognitive radio systems, diversity of missed detection probability reflects the reliability of spectrum sensing. In this paper, we quantify the diversity order of missed detection probability over a Rayleigh frequency-selective channel with independent taps. We show that the diversity order is equal to the rank of the primary user's code matrix. If the secondary user gets enough samples from the...
Abstract-Recent dramatic development of science and technology has made optoelectronic devices, a crucial pole in many sophisticated systems, more powerful, accurate and complicated than ever. As a result, the development of these optoelectronic products not only increases the complexity of their structures, but leads to increasing challenge to predict the reliability of them. Based on this situation,...
Variability and reliability have become major threats in nano scale era. Both leads to variation in transistor parameters that eventually affect the performance parameters. One of the failure mechanism is Bias Temperature Instability (BTI) which impacts mobility and threshold voltage (Vth) of the transistor. This paper investigates the impact of BTI on SRAM sense amplifier at different process corners...
Cognitive radio (CR) is a prominent candidate to solve the spectrum scarcity problem faced by the proposed as well as existing wireless services. It exploits the opportunities, also called as spectrum holes, and created due to the underutilization of the licensed spectrum. Spectrum sensing plays the most important role to detect these spectrum holes. Individual CR sometimes faces problems in accurate...
Demand response management (DRM) is envisaged to play a key role in the smart grid operation, which requires reliable communications between power providers and consumers. To reduce communication cost, the cognitive radio technique is proposed to transmit the meter data from consumers to the control center. Unlike most existing studies on cognitive enabled smart grid, where only individual spectrum...
In this paper a rad-hard design flow for emerging non-volatile memories is discussed. The always growing demand of memory performances is driving to an increasing investigation in new technologies; many emerging technological solutions have been introduced and, as all of them are still an embryonic stage, it is necessary to improve and optimize their characterization process in order to achieve as...
This paper develops a new principled frameworkto solve a hardness-aware truth discovery problem in socialsensing applications. Social sensing has emerged as a new applicationparadigm where a large crowd of social sensors (humansor devices on their behalf) are recruited to or voluntarily reportobservations about the physical environment at scale. Theseobservations may be either true or false, and hence...
Navigation parameters like position, velocity, and attitude are essential for many UAV (Unmanned Aerial Vehicle) applications. Especially for automatic or autonomous UAV applications, the navigation parameters have to be very accurate and reliable. Currently, the reliability of all critical system components (like the communication or the navigation module) is improved by the redundancy concept. Therefore,...
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