This Letter presents a search for new resonances with mass larger than 250 GeV, decaying to a Z boson and a photon. The dataset consists of an integrated luminosity of 3.2 fb−1 of pp collisions collected at s=13 TeV w...
Electromagnetic interference (EMI) issues are becoming crucial for three-dimensional integrated components which combine multi-core Systems-On-Chip, multi-band radio frequency circuits (RF), Giga-bit memories, as well...
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Electromagnetic interference (EMI) issues are becoming crucial for three-dimensional integrated components which combine multi-core Systems-On-Chip, multi-band radio frequency circuits (RF), Giga-bit memories, as well as advanced analog circuits. In this first paper, the technology roadmap towards 3D-ICs is illustrated and the associated EMC challenges are described. This first paper also focuses on the role of interposers, associated electrical parasitics, and addresses concerns about signal and power integrity.
Heterogenous cellular networks (HCN) consist of macrocells and small cells that are overlaid in the same geographical area. Hence, is critical that the high power macrocell shuts off its transmissions for a fraction o...
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ISBN:
(纸本)9781467364300
Heterogenous cellular networks (HCN) consist of macrocells and small cells that are overlaid in the same geographical area. Hence, is critical that the high power macrocell shuts off its transmissions for a fraction of the time to allow the low power small cells to transmit without interference. This is the time-domain resource partitioning (TDRP) mechanism. In this paper we investigate video communication in HCNs when TDRP is employed. More specifically we consider the problem of maximizing the average video quality of all users, by jointly optimizing the rate allocated to each specific video stream and the quality that it is streamed. The resulting mixed integer linear program (MILP) formulation is solved numerically. Simulation results indicate clearly that as the small cells and the users are increased the proposed system can improve significantly the video quality.
highperformancecomputing and its applications are innumerable and the fact that it has seen a tremendous change in the recent years has given it the chance of becoming the future of computing world. The growing need...
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Unpredictable power outages in NAND flashbased Solid State Drives (SSDs) may cause system failure or reliability problems. Capacitors are widely adopted as the interim power supplier when power interruption happens. H...
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ISBN:
(纸本)9781479989386
Unpredictable power outages in NAND flashbased Solid State Drives (SSDs) may cause system failure or reliability problems. Capacitors are widely adopted as the interim power supplier when power interruption happens. However, since the energy provided by backup capacitors is limited, and the capacitance of a capacitor will gradually degrade with time, it is imperative to improve the efficiency and reliability of the backup process for SSDs with capacitors. This paper presents a novel backup scheme called SmartBackupfor MLC NAND flash-based SSDs with backup capacitors. In SmartBackup, by exploiting the feature of the discharge process of capacitors, all available SSD channels are fully utilized and dynamically adjusted based on the available voltage, so data can be efficiently stored in a reliable manner. Moreover, in SmartBackup, to write data in a time/energyefficient manner with better reliability, we adopt a fast and reliable programming strategy by only writing LSB (Least Significant Bit) pages in MLC NAND flash. To the best of our acknowledge, this is the first work to jointly utilize the property of the multi-page architecture of MLC NAND flash and the discharge characteristic of capacitors to improvethe efficiency and reliability of the backup process in SSDswith backup capacitors. The experimental results show thatSmartBackup can effectively accelerate the backup processand improve the reliability.
In this paper we have described the impact on efficiency of algebraic computation due to multi core systems using java as the programming language. Hence we had taken two machines with different specification having v...
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Shortest path is a fundamental graph problem with numerous applications. However, the concept of classic shortest path is insufficient or even flawed in a temporal graph, as the temporal information determines the ord...
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The fast Fourier transform (FFT), a spectral method that computes the discrete Fourier transform and its inverse, per-vades many applications in digital signal processing, such as imaging, tomography, and software-den...
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The security of source has become an increasingly important issue in quantum cryptography. Based on the framework of measurement-device-independent quantum key distribution (MDI-QKD), the source becomes the only regio...
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The security of source has become an increasingly important issue in quantum cryptography. Based on the framework of measurement-device-independent quantum key distribution (MDI-QKD), the source becomes the only region exploitable by a potential eavesdropper (Eve). Phase randomization is a cornerstone assumption in most discrete-variable (DV) quantum communication protocols (e.g., QKD, quantum coin tossing, weak-coherent-state blind quantum computing, and so on), and the violation of such an assumption is thus fatal to the security of those protocols. In this paper, we show a simple quantum hacking strategy, with commercial and homemade pulsed lasers, by Eve that allows her to actively tamper with the source and violate such an assumption, without leaving a trace afterwards. Furthermore, our attack may also be valid for continuous-variable (CV) QKD, which is another main class of QKD protocol, since, excepting the phase random assumption, other parameters (e.g., intensity) could also be changed, which directly determine the security of CV-QKD.
With the development of information technology, the demand for video transmission in wireless networks rapidly increases. The traditional traffic shaping algorithms cannot fully (or adequately) meet the demand for hig...
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With the development of information technology, the demand for video transmission in wireless networks rapidly increases. The traditional traffic shaping algorithms cannot fully (or adequately) meet the demand for high-quality video transmission in wireless networks. Aiming to reduce this problem, this paper proposes a new multi-service flow, token bucket shaping scheme in an IEEE 802.11e environment. In view of the characteristics of video stream transmission in an IEEE 802.11e wireless network, this scheme adopts a multi-service token bucket technology on the basis of the traffic shaping scheme. After creating a simulation model in NS2, the simulation results show that the scheme can effectively improve the quality of service for video streaming in a wireless environment.
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