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Receivers for mmWave systems suffer from high power consumption in Analog to Digital Converters (ADC), and there is a need to compare the three major receiver architectures: Analog, Hybrid and Digital Combining (AC, HC and DC). Moreover,…

Information Theory · Computer Science 2019-01-29 Waqas bin Abbas , Felipe Gomez-Cuba , Michele Zorzi

In this work, we study the achievable rate and the energy efficiency of Analog, Hybrid and Digital Combining (AC, HC and DC) for millimeter wave (mmW) receivers. We take into account the power consumption of all receiver components, not…

Information Theory · Computer Science 2020-02-21 Waqas bin Abbas , Felipe Gomez-Cuba , Michele Zorzi

Reconfigurable metasurfaces are potent platforms to control the propagation properties of light dynamically. Among different reconfiguration mechanisms available at optical frequencies, using non-volatile phase change materials is one of…

Optics · Physics 2024-12-03 Luis Manuel Máñez-Espina , Ana Díaz-Rubio

Realization of electromagnetic energy confinement beyond the diffraction limit is of paramount importance for novel applications like nano-imaging, information processing, and energy harvest. Current approaches based on surface plasmon…

Optics · Physics 2021-07-19 T. C. Huang , B. X. Wang , W. B. Zhang , C. Y. Zhao

Ultra-reliable target-aware actuation-where timely and accurate sensing information is used to trigger critical actions in emerging 6G sensing-based applications-demands tight integration of sensing and communication under stringent…

Information Theory · Computer Science 2025-07-30 Zinat Behdad , Özlem Tuğfe Demir , Ki Won Sung , Cicek Cavdar

Integrated sensing and communications (ISAC) has opened up numerous game-changing opportunities for future wireless systems. In this paper, we develop a novel ISAC scheme that utilizes the diffusion model to sense the electromagnetic (EM)…

Signal Processing · Electrical Eng. & Systems 2024-10-22 Yuhua Jiang , Feifei Gao , Shi Jin , Tie Jun Cui

Electromagnetically induced absorption (EIA) was observed on a sample of $% ^{85}Rb$ in a magneto-optical trap using low intensity cw copropagating pump and probe optical fields. At moderate trapping field intensity, the EIA spectrum is…

Atomic Physics · Physics 2016-09-08 A. Lipsich , S. Barreiro , P. Valente , A. Lezama

This paper introduces the weighted-sum energy efficiency (WSEE) as an advanced performance metric designed to represent the uplink energy efficiency (EE) of individual user equipment (UE) in a user-centric Cell-Free massive MIMO (CF-mMIMO)…

Signal Processing · Electrical Eng. & Systems 2026-03-18 Donghwi Kim , Liesbet Van der Perre , Wan Choi

This study investigates the nonlinear interactions between electrons and electron-cyclotron resonance (ECR) heating beams in magnetized, low-temperature fusion plasmas, focusing on enhancing pre-ionization efficiency. We analyse key…

Plasma Physics · Physics 2025-07-15 Tulchhi Ram , T. Wauters , P. C. de Vries , P. K. Sharma , Raju Daniel

The programmable metasurface is regarded as one of the most promising transformative technologies for next-generation wireless system applications. Due to the lack of effective perception ability of the external electromagnetic environment,…

Electro-momentum coupling in piezoelectric metamaterials with broken inversion symmetry enables asymmetric elastic wave transport by linking macroscopic electric fields to momentum, an effect analogous to Willis coupling in elastic media. A…

Applied Physics · Physics 2025-10-17 Hrishikesh Danawe , Serife Tol

Energy states below the bandgap of a semiconductor, such as trap states or charge transfer states in organic donor acceptor blends, can contribute to light absorption. Due to their low number density or ultrasmall absorption cross-section,…

Applied Physics · Physics 2019-11-27 Christina Kaiser , Stefan Zeiske , Paul Meredith , Ardalan Armin

Wearable biosensors increasingly require continuous and battery-free power sources, but conventional skin-mounted thermoelectric generators are limited by the small temperature differences available in real environments. This work…

Computational Engineering, Finance, and Science · Computer Science 2025-12-10 Hamidreza Moradi , Melika Filvantorkaman

Dynamic metasurface antennas (DMAs) are a promising hybrid analog/digital beamforming technology to realize next-generation wireless systems with low cost, footprint, and power consumption. The research on DMA-empowered wireless systems is…

Signal Processing · Electrical Eng. & Systems 2025-06-12 François Yven , Jean Tapie , Jérôme Sol , Philipp del Hougne

This paper shows that customised broadband absorption of electromagnetic waves having arbitrary polarisation is possible by use of lossy cut-wire (CW) metamaterials. These useful features are confirmed by numerical simulations in which…

Electromagnetic metamaterials are a class of materials which have been artificially structured on a subwavelength scale. They are currently the focus of a great deal of interest because they allow access to previously unrealisable…

Materials Science · Physics 2009-11-13 F. Magnus , B. Wood , J. Moore , K. Morrison , G. Perkins , J. Fyson , M. C. K. Wiltshire , D. Caplin , L. F. Cohen , J. B. Pendry

Low resolution analog-to-digital converters (ADCs) can be employed to improve the energy efficiency (EE) of a wireless receiver since the power consumption of each ADC is exponentially related to its sampling resolution and the hardware…

Signal Processing · Electrical Eng. & Systems 2020-03-11 Aryan Kaushik , Christos Tsinos , Evangelos Vlachos , John Thompson

Ambitions for the next generation of wireless communication include high data rates, low latency, ubiquitous access, ensuring sustainability (in terms of consumption of energy and natural resources), all while maintaining a reasonable level…

Signal Processing · Electrical Eng. & Systems 2025-05-01 Maryam Rezvani , Raviraj Adve , Akram bin Sediq , Amr El-Keyi

Increasing attention on microwave ultra-broadband metamaterial absorbers has been paid due to their promising applications. While most microwave ultra-broadband metamaterial absorbers developed so far are based on metallic resonant…

Applied Physics · Physics 2021-12-28 Jingda Wen , Qiang Ren , Ruiguang Peng , Haoyang Yao , Yuchang Qing , Jianbo Yin , Qian Zhao

The main usage of cellular networks has changed from voice to data traffic, mostly requested by static users. In this paper, we analyze how a cellular network should be designed to provide such wireless broadband access with maximal energy…

Information Theory · Computer Science 2015-04-29 Emil Björnson , Luca Sanguinetti , Marios Kountouris
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