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Improvements in main memory storage density are primarily driven by process technology scaling, which negatively impacts reliability by exacerbating various circuit-level error mechanisms. To compensate for growing error rates, both memory…

硬件体系结构 · 计算机科学 2022-04-25 Minesh Patel

In this paper, we consider the problem of reducing the bit error rate of flash-based solid state drives (SSDs) when cells are subject to inter-cell interference (ICI). By observing that the outputs of adjacent victim cells can be correlated…

信息论 · 计算机科学 2019-02-12 Hachem Yassine , Mihai-Alin Badiu , Justin Coon

Crossbar resistive memory with the 1 Selector 1 Resistor (1S1R) structure is attractive for nonvolatile, high-density, and low-latency storage-class memory applications. As technology scales down to the single-nm regime, the increasing…

系统与控制 · 电气工程与系统科学 2021-04-30 Zehui Chen , Lara Dolecek

In this paper, we propose a learning-based block-wise planar channel estimator (LBPCE) with high accuracy and low complexity to estimate the time-varying frequency-selective channel of a multiple-input multiple-output (MIMO) orthogonal…

信号处理 · 电气工程与系统科学 2024-05-21 Chenchen Liu , Wenjun Jiang , Xiaojun Yuan

To assist researchers to identify Environmental Microorganisms (EMs) effectively, a Multiscale CNN-CRF (MSCC) framework for the EM image segmentation is proposed in this paper. There are two parts in this framework: The first is a novel…

计算机视觉与模式识别 · 计算机科学 2021-02-25 Jinghua Zhang , Chen Li , Frank Kulwa , Xin Zhao , Changhao Sun , Zihan Li , Tao Jiang , Hong Li , Shouliang Qi

Voltage underscaling below the nominal level is an effective solution for improving energy efficiency in digital circuits, e.g., Field Programmable Gate Arrays (FPGAs). However, further undervolting below a safe voltage level and without…

硬件体系结构 · 计算机科学 2019-04-01 Behzad Salami , Osman S. Unsal , Adrian Cristal Kestelman

In this work, we study a recently proposed direct shaping code for flash memory. This rate-1 code is designed to reduce the wear for SLC (one bit per cell) flash by minimizing the average fraction of programmed cells when storing structured…

信息论 · 计算机科学 2020-07-14 Yi Liu , Paul H. Siegel

In this letter, we study the reference signal-aided channel estimation concept which is a crucial requirement to address the realistic performance of spatial media-based modulation (SMBM) systems where the radio frequency mirrors are…

信号处理 · 电气工程与系统科学 2020-09-29 Akif Kabacı , Mehmet Başaran , Hakan Ali Çırpan

Recently, machine learning-based channel estimation has attracted much attention. The performance of machine learning-based estimation has been validated by simulation experiments. However, little attention has been paid to the theoretical…

信号处理 · 电气工程与系统科学 2021-07-15 Kai Mei , Jun Liu , Xiaochen Zhang , Nandana Rajatheva , Jibo Wei

Equivalent Circuit Model(ECM)has been widelyused in battery modeling and state estimation because of itssimplicity, stability and interpretability.However, ECM maygenerate large estimation errors in extreme working conditionssuch as…

信号处理 · 电气工程与系统科学 2024-07-31 Zelin Guo , Yiyan Li , Zheng Yan , Mo-Yuen Chow

We present a methodology to learn explicit Model Predictive Control (eMPC) laws from sample data points with tunable complexity. The learning process is cast in a special Neural Network setting where the coefficients of two linear layers…

系统与控制 · 电气工程与系统科学 2019-11-26 E. T. Maddalena , C. G. da S. Moraes , G. Waltrich , C. N. Jones

This paper determines the range of feasible values of standard error exponents for binary-input memoryless symmetric channels of fixed capacity $C$ and shows that extremes are attained by the binary symmetric and the binary erasure channel.…

信息论 · 计算机科学 2012-12-06 Albert Guillen i Fabregas , Ingmar Land , Alfonso Martinez

In this paper, we investigate the error floors of non-binary low-density parity-check (LDPC) codes transmitted over the memoryless binary-input output-symmetric (MBIOS) channels. We provide a necessary and sufficient condition for…

信息论 · 计算机科学 2015-05-28 Takayuki Nozaki , Kenta Kasai , Kohichi Sakaniwa

General trends in computer architecture are shifting more towards parallelism. Multicore architectures have proven to be a major step in processor evolution. With the advancement in multicore architecture, researchers are focusing on…

硬件体系结构 · 计算机科学 2019-10-22 Arsalan Shahid , Muhammad Tayyab , Muhammad Yasir Qadri , Nadia N. Qadri , Jameel Ahmed

Channel polarization is a method of constructing capacity achieving codes for symmetric binary-input discrete memoryless channels (B-DMCs) [1]. In the original paper, the construction complexity is exponential in the blocklength. In this…

信息论 · 计算机科学 2009-05-23 Ryuhei Mori , Toshiyuki Tanaka

Filter bank-based multicarrier (FBMC) systems based on offset QAM (FBMC/OQAM) have recently attracted increased interest in several applications due to their enhanced flexibility, higher spectral efficiency, and better spectral containment…

信息论 · 计算机科学 2014-01-30 Eleftherios Kofidis

Predictive models that accurately emulate complex scientific processes can achieve exponential speed-ups over numerical simulators or experiments, and at the same time provide surrogates for improving the subsequent analysis. Consequently,…

We consider a generalization of the discrete memoryless channel, in which the channel probability distribution is replaced by a uniform distribution over clouds of channel output sequences. For a random ensemble of such channels, we derive…

信息论 · 计算机科学 2022-09-22 Sergey Tridenski , Anelia Somekh-Baruch

In this paper, we introduce a new practical and general method for solving the main problem of designing the capacity approaching, optimal rate, irregular low-density parity-check (LDPC) code ensemble over binary erasure channel (BEC).…

信息论 · 计算机科学 2016-11-18 H. Tavakoli , M. Ahmadian Attari , M. Reza Peyghami

Doubly-selective channels, such as those that occur when the transmitter and the receiver move relative to each other at high speeds, are a key scenario for fifth generation (5G) cellular systems, which are mostly based in the use of the…

信号处理 · 电气工程与系统科学 2024-01-30 Tomás Domínguez-Bolaño , José Rodríguez-Piñeiro , José A. García-Naya , Luis Castedo