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Both physical and MAC-layer need to be jointly optimized to maximize the autonomy of IoT devices. Therefore, a cross-layer design is imperative to effectively realize Low Power Wide Area networks (LPWANs). In the present paper, a…

Signal Processing · Electrical Eng. & Systems 2020-03-23 Gilles Callebaut , Geoffrey Ottoy , Liesbet Van der Perre

The increasing density of transistors in Integrated Circuits (ICs) has enabled the development of highly integrated Systems-on-Chip (SoCs) and, more recently, Multiprocessor Systems-on-Chip (MPSoCs). To address scalability challenges in…

Hardware Architecture · Computer Science 2025-04-29 Rodrigo Cataldo , Cesar Marcon , Debora Matos

In-memory computing (IMC) utilizing synaptic crossbar arrays is promising for energy-efficient deep neural network (DNN) accelerators. Various technologies (CMOS and post-CMOS) have been explored as synaptic device candidates, each with its…

Emerging Technologies · Computer Science 2024-08-15 Chunguang Wang , Jeffry Victor , Sumeet K. Gupta

Recently, crossbar array based in-memory accelerators have been gaining interest due to their high throughput and energy efficiency. While software and compiler support for the in-memory accelerators has also been introduced, they are…

Hardware Architecture · Computer Science 2025-01-14 Jihoon Park , Jeongin Choe , Dohyun Kim , Jae-Joon Kim

Distributed-Multiple Input Multiple Output (DMIMO) networks is a promising enabler to address the challenges of high traffic demand in future wireless networks. A limiting factor that is directly related to the performance of these systems…

Networking and Internet Architecture · Computer Science 2016-11-18 Athanasios S. Lioumpas , Petros S. Bithas , Angeliki Alexiou

Data centers require high-performance network equipment that consume low power and support high bandwidth requirements. In this context, a combinatorial approach was proposed to design data center network (DCN) equipment from a library of…

Networking and Internet Architecture · Computer Science 2017-11-17 Ganesh C. Sankaran , Pachava Srinivas , Balaji Srinivasan , Krishna M. Sivalingam

Memristor is a promising building block for the next generation nonvolatile random access memory and bio-inspired computing systems. Organizing memristors into high density crossbar arrays, although challenging, is critical to meet the…

Mesoscale and Nanoscale Physics · Physics 2018-11-16 Shuang Pi , Can Li , Hao Jiang , Weiwei Xia , Huolin Xin , J. Joshua Yang , Qiangfei Xia

The emergence of optical intelligent reflecting surface (OIRS) technologies marks a milestone in optical wireless communication (OWC) systems, enabling enhanced control over light propagation in indoor environments. This capability allows…

Signal Processing · Electrical Eng. & Systems 2025-01-08 Jalal Jalali , Hina Tabassum , Jeroen Famaey , Walid Saad , Murat Uysal

Mode division multiplexing (MDM) in optical fibers enables multichannel capabilities for various applications, including data transmission, quantum networks, imaging, and sensing. However, MDM optical fiber systems, usually necessities…

Optics · Physics 2023-11-10 Kaihang Lu , Zengqi Chen , Hao Chen , Wu Zhou , Zunyue Zhang , Hon Ki Tsang , Yeyu Tong

Memristive crossbars have become a popular means for realizing unsupervised and supervised learning techniques. In previous neuromorphic architectures with leaky integrate-and-fire neurons, the crossbar itself has been separated from the…

Emerging Technologies · Computer Science 2019-01-24 Walt Woods , Christof Teuscher

This two-part paper presents a feedback-based cross-layer framework for distributed sensing and estimation of a dynamic process by a wireless sensor network (WSN). Sensor nodes wirelessly communicate measurements to the fusion center (FC).…

Systems and Control · Computer Science 2015-06-23 Nicolo Michelusi , Urbashi Mitra

Silicon photonics enables on-chip ultra-high bandwidth optical communications networks which is critical for the future of microelectronics1,2. By encoding information on-chip using multiple wavelength channels through the process of…

Processing-in-memory (PIM) is a promising computing paradigm to tackle the "memory wall" challenge. However, PIM system-level benefits over traditional von Neumann architecture can be reduced when the memory array cannot fully store all the…

Hardware Architecture · Computer Science 2025-03-03 Peilin Chen , Xiaoxuan Yang

Stacked intelligent metasurface (SIM), which consists of multiple layers of intelligent metasurfaces, is emerging as a promising solution for future wireless communication systems. In this timely context, we focus on broadcast…

Information Theory · Computer Science 2025-10-22 Nemanja Stefan Perović , Eduard E. Bahingayi , Le-Nam Tran

With growing system complexity and closer cyber-physical interaction, there are increasingly stronger dependencies between different function and architecture layers in automotive systems. This paper first introduces several cross-layer…

Systems and Control · Electrical Eng. & Systems 2020-06-02 Zhilu Wang , Hengyi Liang , Chao Huang , Qi Zhu

General purpose computing systems are used for a large variety of applications. Extensive supports for flexibility in these systems limit their energy efficiencies. Neural networks, including deep networks, are widely used for signal…

Machine Learning · Computer Science 2016-06-16 Raqibul Hasan , Tarek Taha

The memristive crossbar array (MCA) has been successfully applied to accelerate matrix computations of signal detection in massive multiple-input multiple-output (MIMO) systems. However, the unique property of massive MIMO channel matrix…

Signal Processing · Electrical Eng. & Systems 2025-03-24 Jia-Hui Bi , Shaoshi Yang , Ping Zhang , Sheng Chen

The vision of connecting billions of battery operated devices to be used for diverse emerging applications calls for a wireless communication system that can support stringent reliability and latency requirements. Both reliability and…

Information Theory · Computer Science 2017-09-18 Aamir Mahmood , M M Aftab Hossain , Mikael Gidlund

Optical differentiation and optical Hilbert transformation play important roles in communications, computing, information processing and signal analysis in optical domain which offering huge bandwidth. Meanwhile, silicon-based photonic…

Optics · Physics 2014-10-08 Ting Yang , Jianji Dong , Li Liu , Shasha Liao , Sisi Tan , Lei Shi , Dingshan Gao , Xinliang Zhang

Conventional digital beamforming for wideband multiuser orthogonal frequency-division multiplexing (OFDM) demands numerous power-hungry components, increasing hardware costs and complexity. By contrast, the stacked intelligent metasurfaces…

Signal Processing · Electrical Eng. & Systems 2025-09-11 Zheao Li , Jiancheng An , Chau Yuen