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With the improvement of flash memory storage density, data reliability and flash lifetime are decreased. Error correction codes (ECC) and error management schemes can boost both reliability and lifetime. However, in order to develop effective fault tolerance algorithms and management solutions, it is very necessary to have a more profound understanding of failure modes of flash memory. To enable such...
Over the past few years, NAND flash-based Solid State Drives (SSDs) are progressively replacing Hard Disk Drives (HDDs) in various applications ranging from personal computers to large-scale storage servers, due to their high performance and low power consumption. However, SSDs suffer from limited endurance, which is a major concern for their utilization in the server domain. Based on the unique characteristics...
Continuous technology scaling makes NAND flash cells much denser. As a result, NAND flash is becoming more prone to various interference errors. Due to the hardware circuit design mechanisms of NAND flash, retention errors have been recognized as the most dominant errors, which affect the data reliability and flash lifetime. Furthermore, after experiencing a large number of programm/erase (P/E) cycles,...
To study the intraobserver and interobserver reliability of the diagnosis of interosseous ligament (IOL) rupture in a cadaver model.On 12 fresh frozen cadavers, radial heads were cut using an identical incision and osteotomy. After randomization, the soft tissues of the limbs were divided into 4 groups: both IOL and triangular fibrocartilage (TFCC) intact; IOL disruption but TFCC intact; both IOL...
Network coding techniques have absorbed much attention for providing reliable broadcasting services in wireless networks. However, the intrinsic tradeoff among throughput, decoding delay, and feedback overhead has obstructed the application of the previously proposed schemes in practice. In this paper, we firstly propose a rate-controlled network coding scheme (RANC), which can effectively reduce...
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