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In the realm of programmable photonic integrated circuits (PICs), precise wire length control is crucial for the performance of on-chip programmable components such as optical ring resonators, Mach-Zehnder interferometers, and optical true…

Emerging Technologies · Computer Science 2026-02-13 Xiaoke Wang , Dirk Stroobandt

Cyclic liftings are proposed to lower the error floor of low-density parity-check (LDPC) codes. The liftings are designed to eliminate dominant trapping sets of the base code by removing the short cycles which form the trapping sets. We…

Information Theory · Computer Science 2010-02-24 Reza Asvadi , Amir H. Banihashemi , Mahmoud Ahmadian-Attari

The problem of cell association is considered for cellular users present in the field. This has become a challenging problem with the deployment of 5G networks which will share the sub-6 GHz bands with the legacy 4G networks. Instead of…

Signal Processing · Electrical Eng. & Systems 2019-10-31 Yinsong Wang , Hessam Mahdavifar , Kamran Entesari , Shahin Shahrampour

In this paper we develop a tractable framework for SINR analysis in downlink heterogeneous cellular networks (HCNs) with flexible cell association policies. The HCN is modeled as a multi-tier cellular network where each tier's base stations…

Information Theory · Computer Science 2016-11-18 Han-Shin Jo , Young Jin Sang , Ping Xia , Jeffrey G. Andrews

Designing a rate limiter that is simultaneously accurate, available, and scalable presents a fundamental challenge in distributed systems, primarily due to the trade-offs between algorithmic precision, availability, consistency, and…

Distributed, Parallel, and Cluster Computing · Computer Science 2026-02-13 Bo Guan

A recent work (Korten, Pitassi, and Impagliazzo, FOCS 2025) established an insightful connection between static data structure lower bounds, range avoidance of $\text{NC}^0$ circuits, and the refutation of pseudorandom CSP instances,…

Computational Complexity · Computer Science 2025-07-31 Venkatesan Guruswami , Xin Lyu , Weiqiang Yuan

Programmable Logic Controllers (PLCs) execute critical control software that drives Industrial Automation and Control Systems (IACS). PLCs can become easy targets for cyber-adversaries as they are resource-constrained and are usually built…

Cryptography and Security · Computer Science 2021-01-07 Awais Tanveer , Roopak Sinha , Stephen G. MacDonell , Paulo Leitao , Valeriy Vyatkin

Recent trends in the software development practices (Agile, DevOps, CI) have shortened the development life-cycle causing the need for efficient security-by-design approaches. In this context, software architectures are analyzed for…

Software Engineering · Computer Science 2019-06-06 Katja Tuma , Danial Hosseini , Kyriakos Malamas , Riccardo Scandariato

To meet the urgent demands for spectral efficiency and multi-user access in high-frequency application scenario for the sixth-generation wireless communication, this paper investigates a rate splitting multiple access (RSMA) system assisted…

Signal Processing · Electrical Eng. & Systems 2026-04-17 Peiyu Wang , Hong Wang , Yaru Fu , Rongfang Song

As DNA data storage moves closer to practical deployment, minimizing sequencing coverage depth is essential to reduce both operational costs and retrieval latency. This paper addresses the recently studied Random Access Problem, which…

Information Theory · Computer Science 2026-01-13 Chen Wang , Eitan Yaakobi

Cellular networks are critical infrastructure supporting billions of worldwide users and safety- and mission-critical services. Vulnerabilities in cellular networks can therefore cause service disruption, privacy breaches, and broad…

Cryptography and Security · Computer Science 2026-01-21 Ke Xie , Xingyi Zhao , Yiwen Hu , Shuhan Yuan , Tian Xie

Given the increasing adoption of modern AI-enabled control systems, ensuring their safety and reliability has become a critical task in software testing. One prevalent approach to testing control systems is falsification, which aims to find…

Software Engineering · Computer Science 2025-01-22 Jieke Shi , Zhou Yang , Junda He , Bowen Xu , Dongsun Kim , DongGyun Han , David Lo

A significant challenge in wet lab experiments with current drug design generative models is the trade-off between pharmacological properties and synthesizability. Molecules predicted to have highly desirable properties are often difficult…

Machine Learning · Computer Science 2025-04-04 Songtao Liu , Dandan Zhang , Zhengkai Tu , Hanjun Dai , Peng Liu

Starting from 22-nm, a standard cell must be designed to be full lithography-compliant, which includes Design Rule Check, Design-for-Manufacturability and Double-Patterning compliant. It has become a great challenge for physical layout…

Other Computer Science · Computer Science 2018-05-29 Yongfu Li , Wan Chia Ang , Chin Hui Lee , Kok Peng Chua , Yoong Seang Jonathan Ong , Chiu Wing Colin Hui

In this paper, we investigate novel strategies for generating rate-compatible (RC) irregular low-density parity-check (LDPC) codes with short/moderate block lengths. We propose three puncturing and two extension schemes, which are designed…

Information Theory · Computer Science 2014-07-22 J. Liu , R. C. de Lamare

In current chip design processes, using multiple tools to obtain a gate-level netlist often results in the loss of source code correlation. SynAlign addresses this challenge by automating the alignment process, simplifying iterative design,…

Hardware Architecture · Computer Science 2025-01-03 Sakshi Garg , Jose Renau

A joint resource allocation (RA), user association (UA), and power control (PC) problem is addressed for proportional fairness maximization in a cooperative multiuser downlink small cell network with limited backhaul capacity, based on…

Networking and Internet Architecture · Computer Science 2018-08-14 Jonggyu Jang , Hyun Jong Yang , Hyekyung Jwa

Integrity checking is ubiquitous in data networks, but not all network traffic needs integrity protection. Many applications can tolerate slightly damaged data while still working acceptably, trading accuracy versus efficiency to save time…

Networking and Internet Architecture · Computer Science 2015-10-15 Benjamin Ransford , Luis Ceze

As minimum area SRAM bit-cells are obtained when using cell ratio and pull-up ratio of 1, we analyze the possibility of decreasing the cell ratio from the conventional values comprised between 1.5-2.5 to 1. The impact of this option on…

Hardware Architecture · Computer Science 2024-11-28 Gabriel Torrens , Bartomeu Alorda , Cristian Carmona , Daniel Malagon-Perianez , Jaume Segura , Sebastia Antoni Bota

Digital data transfer can be protected by means of suitable error correcting codes. Among the families of state-of-the-art codes, LDPC (Low Density Parity-Check) codes have received a great deal of attention recently, because of their…

Information Theory · Computer Science 2022-10-10 Massimo Battaglioni , Giovanni Cancellieri