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The current flash memory technology focuses on the cost minimization of its static storage capacity. However, the resulting approach supports a relatively small number of program-erase cycles. This technology is effective for consumer…

信息论 · 计算机科学 2015-01-05 Eyal En Gad , Eitan Yaakobi , Anxiao , Jiang , Jehoshua Bruck

In this paper, we address inter-beam inter-cell interference mitigation in 5G networks that employ millimeter-wave (mmWave), beamforming and non-orthogonal multiple access (NOMA) techniques. Those techniques play a key role in improving…

网络与互联网体系结构 · 计算机科学 2021-03-10 Medhat Elsayed , Kevin Shimotakahara , Melike Erol-Kantarci

Flash memory devices are winning the competition for storage density against magnetic recording devices. This outcome results from advances in physics that allow storage of more than one bit per cell, coupled with advances in signal…

信息论 · 计算机科学 2020-12-09 Ahmed Hareedy , Beyza Dabak , Robert Calderbank

Conflict-avoiding codes are used in the multiple-access collision channel without feedback. The number of codewords in a conflict-avoiding code is the number of potential users that can be supported in the system. In this paper, a new upper…

信息论 · 计算机科学 2010-11-09 Kenneth W. Shum , Wing Shing Wong , Chung Shue Chen

Channel memory and inter-symbol interference (ISI) are harmful factors in diffusion-based molecular communication (DBMC) between bionanosensors. To tackle these problems, this paper proposes a lightweight ISI-mitigating coding scheme to…

信息论 · 计算机科学 2023-05-24 Dongliang Jing , Andrew W. Eckford

Inter-cell interference (ICI) is one of the major performance-limiting factors in the context of modern cellular systems. To tackle ICI, coordinated multi-point (CoMP) schemes have been proposed as a key technology for next-generation…

信息论 · 计算机科学 2019-03-29 Hamed Pezeshki , Masoumeh Sadeghi , Martin Haenggi , J. Nicholas Laneman

We study error-correcting codes for permutations under the infinity norm, motivated by a novel storage scheme for flash memories call rank modulation. In this scheme, a set of $n$ flash cells are combined to create a single virtual…

信息论 · 计算机科学 2009-08-02 Itzhak Tamo , Moshe Schwartz

In data storage and data transmission, certain patterns are more likely to be subject to error when written (transmitted) onto the media. In magnetic recording systems with binary data and bipolar non-return-to-zero signaling, patterns that…

信息论 · 计算机科学 2020-02-25 Ahmed Hareedy , Robert Calderbank

Non-Volatile Memory (NVM) cells are used in neuromorphic hardware to store model parameters, which are programmed as resistance states. NVMs suffer from the read disturb issue, where the programmed resistance state drifts upon repeated…

神经与进化计算 · 计算机科学 2022-01-28 Ankita Paul , Shihao Song , Twisha Titirsha , Anup Das

In this paper we introduce a new class of codes for over-loaded synchronous wireless and optical CDMA systems which increases the number of users for fixed number of chips without introducing any errors. Equivalently, the chip rate can be…

信息论 · 计算机科学 2008-10-18 P. Pad , F. Marvasti , K. Alishahi , S. Akbari

Molecular communication suffers from severe inter-symbol interference, which makes constrained coding essential for reliable transmission. Run-length-limited ISI-mitigation codes are attractive because they select low-weight constrained…

信息论 · 计算机科学 2026-05-01 Melih Şahin , Ozgur B. Akan

Resistive memories have limited lifetime caused by limited write endurance and highly non-uniform write access patterns. Two main techniques to mitigate endurance-related memory failures are 1) wear-leveling, to evenly distribute the writes…

硬件体系结构 · 计算机科学 2020-10-07 Leonid Yavits , Lois Orosa , Suyash Mahar , João Dinis Ferreira , Mattan Erez , Ran Ginosar , Onur Mutlu

PCM is a popular backing memory for DRAM main memory in tiered memory systems. PCM has asymmetric access energy; writes dominate reads. MLC asymmetry can vary by an order of magnitude. Many schemes have been developed to take advantage of…

硬件体系结构 · 计算机科学 2021-12-06 Stephen Longofono , Seyed Mohammad Seyedzadeh , Alex K. Jones

The scaling of high density NOR Flash memory devices with multi level cell (MLC) hits the reliability break wall because of relatively high intrinsic bit error rate (IBER). The chip maker companies offer two solutions to meet the output bit…

信息论 · 计算机科学 2013-06-25 Daniel L. Miller

Intersymbol Interference (ISI) has a detrimental impact on any Molecular Communication via Diffusion (MCvD) system. Also, the receiver noise can severely degrade the MCvD channel performance. However, the channel codes proposed in the…

信息论 · 计算机科学 2025-02-28 Tamoghno Nath , Krishna Gopal Benerjee , Adrish Banerjee

High-capacity NAND flash memories use multi-level cells (MLCs) to store multiple bits per cell and achieve high storage densities. Higher densities cause increased raw bit error rates (BERs), which demand powerful error correcting codes.…

信息论 · 计算机科学 2012-02-08 Jiadong Wang , Guiqiang Dong , Tong Zhang , Richard Wesel

Non-orthogonal multiple access (NOMA) allows multiple users to simultaneously access the same time-frequency resource by using superposition coding and successive interference cancellation (SIC). Thus far, most papers on NOMA have focused…

信息论 · 计算机科学 2017-12-12 Lei You , Lei Lei , Di Yuan , Sumei Sun , Symeon Chatzinotas , Björn Ottersten

Content Addressable Memories (CAMs) are considered a key-enabler for in-memory computing (IMC). IMC shows order of magnitude improvement in energy efficiency and throughput compared to traditional computing techniques. Recently, analog CAMs…

硬件体系结构 · 计算机科学 2022-03-07 Jinane Bazzi , Jana Sweidan , Mohammed E. Fouda , Rouwaida Kanj , Ahmed M. Eltawil

This paper focuses on constructions for optimal $2$-D $(n\times m,3,2,1)$-optical orthogonal codes with $m\equiv 0\ ({\rm mod}\ 4)$. An upper bound on the size of such codes is established. It relies heavily on the size of optimal…

组合数学 · 数学 2018-04-13 Tao Feng , Lidong Wang , Xiaomiao Wang

In this paper, we consider a multiple-input-multiple-output optical wireless communication (MIMO-OWC) system in the presence of log-normal fading. In this scenario, a general criterion for the design of full-diversity space code (FDSC) with…

信息论 · 计算机科学 2015-09-25 Yan-Yu Zhang , Hong-Yi Yu , Jian-Kang Zhang , Yi-Jun Zhu , Jin-Long Wang , Tao Wang