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The validity of sensed data that labels the change events plays the most important role in the accuracy and reliability of the Internet of Things (IoT)-based Wireless sensor network (WSN) applications to assure data quality for perfect decision making. In this study, we suggested and implemented a sensor data validation approach based on adaptive threshold for real-time IOT/WSN sensor node level....
One can run through a series of easy, virtually free changes in the closing activities to accomplish quick and substantial improvements. This chapter presents the most effective of all those free changes, which is altering the timing of closing activities. A considerable number of activities can be either partially or completely shifted out of the core closing period, either by moving them into the...
Nowadays some High Level Synthesis (HLS) tools are introduced which are able to generate Hardware Description Language (HDL) codes from high level floating point arithmetic expressions for implementation on FPGAs. Before this conversion, changing the form of high level expressions usually leads to significant improvements in the final implementation in terms of accuracy, resource usage and latency...
In the last decade, cellular technology has grown tremendously and has been able to reach each and every individual. But with this huge increase in number of users the need for a better management of bandwidth and resources has also increased tremendously and for better resource management and for good end user experience optimizing paging scheme has become important. Hence, various paging schemes...
Adders are inevitable components in digital system design and embedded applications. The performance parameters of adders play a vital role in maximizing the efficiency of these applications. The necessity of error-tolerant circuits was prefigured in the 2003 International Technology Roadmap for Semiconductors (ITRS). Earlier works that deal with error-tolerance include flagged prefix adder and fixed...
The emerging cloud services are often provisioned as web applications. Web browsers provide user-friendly interfaces for users to interact with different Internet contents with flexible and rich plug-in environments. Due to their ubiquitous and flexible nature, we propose to evaluate the performance of cloud services in a browser-based network measurement platform. Delay is one of the fundamental...
An adjustable pulse module with FPGA-based 0.1 ns resolution is designed, which has the function of simultaneously generating multi-channel pulse. Various pulses time delay can be adjusted each other. Therefore it can improve the small target RCS (radar cross section) test accuracy under the complex environment. At present, the technology is successfully applied to a RCS tester.
A multi-phase technique for speeding up the measurement of delays via sub-sampling is presented. Measurement of delays using the sub-sampling approach leads to a very simple system implementation, and also provides the opportunity of trading off between bandwidth and accuracy. Such a scheme becomes extremely attractive for deep sub-micron processes due to its highly-digital nature and the ability...
This paper describes the use of Bayesian Information Criteria (BIC) along with some standard feature extraction methods and Linear Discriminant Analysis (LDA) classification algorithm to separate 8 different phases of gait by using electromyographic (EMG) signal data of the lower limb. Four time domain features along with 4th order Auto-Regressive model were used to get feature vector set from the...
A new reversible Error Tolerant Adder (ETA) based on the reversible Logic is proposed. RH and RS gates are the novel reversible logic gates based on which the ETA is designed. The reversible 3×3 RH gate is derived from existing 2×2 quantum gates — CNOT, Controlled-V and Controlled-V+. The reversible 3×3 RS gate consists of the existing CNOT and Peres Quantum gates. The design of the proposed reversible...
Impulse-radio(IR)-based Ultra-wide band (UWB) technology has great potential in the fields of positioning, target detection and data transfer due to its significant advantages. In this paper, the ability of UWB to perceive different transmission environment is discussed. Four scenarios are simulated using finite-difference time-domain (FDTD) method. There are three NLOS(obstacle are concrete wall,...
Test failure data produced during post-silicon validation contain accurate design- and process-specific information about the DUD (design-under-debug). Prior research efforts and industry practice focused on feeding this information back to the design flow via bug root-cause analysis. However, the value of this silicon data for helping further improvement of the post-silicon validation process has...
Digital Signal Processors (DSP) based on Residue Number System (RNS) are superior to conventional DSP especially in terms of parallel signal processing and power consumption. For modern state of the art biomedical applications, signal processing efficiency and robustness are of paramount importance. Therefore, the huge silicon overhead area and high power consumption of traditional Analog-to- Digital...
Acquisition of periodic waveforms is an integral part of characterizing high speed system performance. Various techniques are used to reduce the equipment cost, dominated by the cost of the digitizer. Incoherent under-sampling provides an attractive solution for signal acquisition. However, due to the aliasing present in under-sampled signal and the windowing effects, high resolution spectral estimation...
Process variation comes from several aspects during IC manufacturing, resulting in tremendous yield loss in advanced CMOS process. Recently, post-silicon tuning techniques that could adaptively manipulate failed chips to compensate the variations have been widely studied. Yet, full-chip adjustments can also increase dynamic and leakage power consumption. A fine-grain voltage-control architecture was...
This paper presents the Intrinsic Mode Function Time Delay Method (IMFTDM) which is based on Hilbert Huang Transform (HHT) and its application in beamforming. The IMFTDM can delay the broadband Intrinsic Mode Function (IMF) by arbitrary time accurately. And in this work, the IMFTDM is performed using the simulated and real data in beamforming to test its performance. The results show that it can improve...
Sophisticated voice source estimation techniques, such as closed-phase pitch synchronous inverse filtering method, relay on accurate estimates of glottal closure instants (GCIs). In this paper, a group delay approach to GCI estimation is presented. Specifically, the average group delay and the energy weighted group delay measures are discussed in detail. We propose an improvement to the implementation...
As the use of Plug-in Hybrid Electrical Vehicles is expected to rise, their rather high energy consumption and long charging times has the potential to impact power grid stability. While coordinated charging is generally considered the answer to such issues, often overlooked aspects in coordination schemes are reliability, fault tolerance and ease of implementation. In our research we adapt an existing...
The ability to localize Internet hosts is appealing for a range of applications from online advertising to localizing cyber attacks. Recently, measurement-based approaches have been proposed to accurately identify the location of Internet hosts. These approaches typically produce erroneous results due to measurement errors. In this paper, we propose an Enhanced Learning Classifier approach for estimating...
A hybrid simulator is a simulator which embeds a hardware experiment in a numerical simulation. However, the hybrid simulator is generally subjected to an inherent problem of energy increase in collision of two hardwares in the loop because of delay times. To solve this problem, Osaki et al. proposed a compensation method of delay time that can realize a variable coefficient of restitution [1]. However,...
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