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Massive multiple-input multiple-output (mMIMO) antenna systems and inter-band carrier aggregation (CA)-enabled multi-band communication are two key technologies to achieve very high data rates in beyond fifth generation (B5G) wireless…

Networking and Internet Architecture · Computer Science 2024-07-31 Nuwan Balasuriya , Amine Mezghani , Ekram Hossain

We describe the performance of amplifiers in the 4 GHz--8 GHz range using Direct Current Superconducting Quantum Interference Devices(DC SQUIDs) in a lumped element configuration. We have used external impedance transformers to couple power…

Superconductivity · Physics 2015-05-14 Lafe Spietz , Kent Irwin , Jose Aumentado

Reconfigurable antennas possess the capability to dynamically adjust their fundamental operating characteristics, thereby enhancing system adaptability and performance. To fully exploit this flexibility in modern wireless communication…

Signal Processing · Electrical Eng. & Systems 2025-12-19 Mengzhen Liu , Ming Li , Rang Liu , Qian Liu

The main focus and contribution of this paper is a novel network-MIMO TDD architecture that achieves spectral efficiencies comparable with "Massive MIMO", with one order of magnitude fewer antennas per active user per cell. The proposed…

Information Theory · Computer Science 2016-11-15 Hoon Huh , Giuseppe Caire , Haralabos C. Papadopoulos , Sean A. Ramprashad

In this paper we propose a novel design approach for an ultrathin metasurface energy harvester based on a surrogate model of dipole antenna. A significant advantage of this idea is the reduction of the time of the design process retrieved…

Applied Physics · Physics 2024-07-19 Alireza Ghaneizadeh , Mojtaba Joodaki , Josef Börcsök , Khalil Mafinezhad

Future autonomous systems require wireless connectivity able to support extremely stringent requirements on both latency and reliability. In this paper, we leverage recent developments in the field of finite-blocklength information theory…

Information Theory · Computer Science 2016-11-29 Johan Östman , Giuseppe Durisi , Erik G. Ström , Jingya Li , Henrik Sahlin , Gianluigi Liva

Non-orthogonal access techniques have recently gained renewed interest in the context of next generation wireless networks. As the relative gain, with respect to traditionally employed orthogonal-access techniques depends on many factors,…

Information Theory · Computer Science 2017-09-26 Uri Erez

This paper explores the road to vastly improving the broadband connectivity in future 6G wireless systems. Different categories of use cases are considered, with peak data rates up to 1 Tbps. Several categories of enablers at the…

In this work, a rectangular microstrip antenna with inset is designed, simulated and optimized. In the optimization process the patch is deformed, it new antenna present a amorphous patch. The optimization process was conducted with Genetic…

Numerical Analysis · Mathematics 2024-02-12 Luis Alberto Rabanal Ramirez , Cláudio Márcio de Freitas Silva

Wave motion in a continuous elastic rod with a periodically attached inertial-amplification mechanism is investigated. The mechanism has properties similar to an "inerter" typically used in vehicle suspensions, however here it is…

Other Condensed Matter · Physics 2021-09-01 Niels M. M. Frandsen , Osama R. Bilal , Jakob S. Jensen , Mahmoud I. Hussein

The construction of channel gain map (CGM) is essential for realizing environment-aware wireless communications expected in 6G, for which a fundamental problem is how to predict the channel gains at unknown locations effectively by a finite…

Networking and Internet Architecture · Computer Science 2025-02-25 Jiayi Chen , Ruifeng Gao , Jue Wang , Shu Sun , Yi Wu

Superscattering, induced by degenerate resonances, breaks the fundamental single-channel limit of scattering cross section of subwavelength structures; in principle, an arbitrarily large total cross section can be achieved via…

Classical Physics · Physics 2018-12-17 Chao Qian , Xiao Lin , Yi Yang , Xiaoyan Xiong , Huaping Wang , Erping Li , Ido Kaminer , Baile Zhang , Hongsheng Chen

This paper studies fast downlink beamforming algorithms using deep learning in multiuser multiple-input-single-output systems where each transmit antenna at the base station has its own power constraint. We focus on the…

Information Theory · Computer Science 2020-03-02 Juping Zhang , Wenchao Xia , Minglei You , Gan Zheng , Sangarapillai Lambotharan , Kai-Kit Wong

This paper presents a configurable version of Extreme Bandwidth Extension Network (EBEN), a Generative Adversarial Network (GAN) designed to improve audio captured with body-conduction microphones. We show that although these microphones…

Audio and Speech Processing · Electrical Eng. & Systems 2024-07-18 Julien Hauret , Thomas Joubaud , Véronique Zimpfer , Éric Bavu

We employ a detailed balance approach to model a single-junction solar cell with a realistic narrow-band, non-unity-quantum-yield upconverter. As upconverter bandwidths are increased from 0 to 0.5 eV, maximum cell efficiencies increase from…

Optics · Physics 2013-09-23 Justin A. Briggs , Ashwin C. Atre , Jennifer A. Dionne

Path gain and effective directional gain in azimuth in urban canyons from actual rooftop base station sites are characterized based on a massive data set of 3000 links on 12 streets in two cities, with over 21 million individual continuous…

In practical application of speech codecs, a multitude of factors such as the quality of the radio connection, limiting hardware or required user experience necessitate trade-offs between achievable perceptual quality, engendered bitrate…

Audio and Speech Processing · Electrical Eng. & Systems 2026-02-25 Kishan Gupta , Srikanth Korse , Andreas Brendel , Nicola Pia , Guillaume Fuchs

To achieve efficient long-range wireless power transfer (WPT), large antenna systems are necessary spanning lengths of tens to thousands of meters in one dimension. This creates an array in the order of at least hundreds of thousands to…

Systems and Control · Electrical Eng. & Systems 2025-08-21 Charleston Dale M. Ambatali , Shinichi Nakasuka

A broadband sound absorption attained by a deep-subwavelength structure is of great interest to the noise control community especially for extremely low frequencies (20-100 Hz) in room acoustics. Coupling multiple different resonant unit…

Applied Physics · Physics 2021-01-12 Jun Ji , Dongting Li , Yong Li , Yun Jing

The allocation of a large amount of bandwidth by regulating bodies in the 70/80 GHz band, i.e., the E-band, has opened up new potentials and challenges for providing affordable and reliable Gigabit per second wireless point-to-point links.…

Networking and Internet Architecture · Computer Science 2016-11-18 Hani Mehrpouyan , M. Reza Khanzadi , Michail Matthaiou , Akbar M. Sayeed , Robert Schober , Yingbo Hua
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