中文
相关论文

相关论文: Electromagnetics-Compliant Optimization of Dynamic…

200 篇论文

This paper presents an optimization framework for near-field localization with Dynamic Metasurface Antenna (DMA) receivers. This metasurface technology offers enhanced angular and range resolution realizing efficient hybrid Analog and…

信号处理 · 电气工程与系统科学 2024-11-15 Ioannis Gavras , George C. Alexandropoulos

Dynamic metasurface antennas (DMA) provide low-power beamforming through reconfigurable radiative slots. Each slot has a tunable component that consumes low power compared to typical analog components like phase shifters. This makes DMAs a…

信号处理 · 电气工程与系统科学 2025-10-10 Joseph M. Carlson , Nitish V. Deshpande , Miguel Rodrigo Castellanos , Robert W. Heath

Dynamic metasurface antennas (DMAs) are an emerging technology for next-generation wireless base stations, distinguished by hybrid analog/digital beamforming capabilities with low hardware complexity. However, the intrinsic coupling between…

应用物理 · 物理学 2025-07-11 Hugo Prod'homme , Philipp del Hougne

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…

信号处理 · 电气工程与系统科学 2025-06-12 François Yven , Jean Tapie , Jérôme Sol , Philipp del Hougne

Dynamic metasurface antennas (DMAs) are a promising embodiment of next-generation reconfigurable antenna technology to realize base stations and access points with reduced cost and power consumption. A DMA is a thin structure patterned on…

应用物理 · 物理学 2025-09-25 Hugo Prod'homme , Jean Tapie , Luc Le Magoarou , Philipp del Hougne

Sensing the direction of arrival and polarization of impinging signals is a key prerequisite for beamforming and interference mitigation in modern wireless communication systems. Dynamic metasurface antennas (DMAs) can multiplex direction-…

信号处理 · 电气工程与系统科学 2026-04-30 Jean Tapie , Philipp del Hougne

Dynamic metasurface antennas (DMAs) arise as a promising technology in the field of massive multiple-input multiple-output (mMIMO) systems, offering the possibility of integrating a large number of antennas in a limited -- and potentially…

信号处理 · 电气工程与系统科学 2022-12-23 Robin Jess Williams , Pablo Ramirez-Espinosa , Jide Yuan , Elisabeth De Carvalho

Dynamic Metasurface Antennas (DMAs) have emerged as promising candidates for basestation deployment in the next generation of wireless communications. While overlooking the practical and hardware limitations of DMA, previous studies have…

信号处理 · 电气工程与系统科学 2024-07-31 Maryam Rezvani , Raviraj Adve , Amr El-Keyi , Akram bin Sediq

Dynamic metasurface antennas (DMAs), surfaces patterned with reconfigurable metamaterial elements (meta-atoms) that couple waves from waveguides or cavities to free space, are a promising technology to realize 6G wireless base stations and…

信号处理 · 电气工程与系统科学 2024-12-03 Hugo Prod'homme , Philipp del Hougne

Dynamic Metasurface Antennas (DMAs) constitute a promising solution for extremely large antenna arrays, requiring lower power consumption and reduced hardware cost as compared to conventional phased arrays. In this paper, we consider a…

信号处理 · 电气工程与系统科学 2026-05-06 Konstantinos D. Katsanos , Panagiotis Gavriilidis , George C. Alexandropoulos

Dynamic metasurface antennas (DMAs) provide a new paradigm to realize large-scale antenna arrays for future wireless systems. In this paper, we study the downlink millimeter wave (mmWave) DMA systems with limited number of radio frequency…

信号处理 · 电气工程与系统科学 2022-10-25 Wei Huang , Haiyang Zhang , Nir Shlezinger , Yonina C. Eldar

Dynamic metasurface antennas (DMAs) beamform through low-powered components that enable reconfiguration of each radiating element. Previous research on a single-user multiple-input-single-output (MISO) system with a dynamic metasurface…

信号处理 · 电气工程与系统科学 2024-12-03 Nitish Vikas Deshpande , Joseph Carlson , Miguel R. Castellanos , Robert W. Heath

Dynamic metasurface antennas (DMAs) are an alternative application of metasurfaces as active reconfigurable antennas with advanced analog signal processing and beamforming capabilities, which have been proposed to replace conventional…

信息论 · 计算机科学 2024-09-17 Nemanja Stefan Perović

The recent surge in deploying extremely large antenna arrays is expected to play a vital role in future sixth generation wireless networks, enabling advanced radar target localization with enhanced angular and range resolution. This paper…

信号处理 · 电气工程与系统科学 2025-04-29 Ioannis Gavras , George C. Alexandropoulos

Dynamic metasurface antennas (DMA) provide a solution to form compact, cost-effective, energy-efficient multiple-input-multiple output (MIMO) arrays. In this paper, we implement a practical hierarchical codebook with a realistic DMA design…

信号处理 · 电气工程与系统科学 2023-05-17 Joseph Carlson , Miguel R. Castellanos , Robert W. Heath

Dynamic metasurface antennas (DMAs) represent a novel approach to programmable and affordable electromagnetic wave manipulation for enhanced wireless communications, sensing, and imaging applications. Nevertheless, current DMA designs and…

信号处理 · 电气工程与系统科学 2025-10-24 Abdul Jabbar , Aakash Bansal , William Whittow

Future wireless communications are largely inclined to deploy massive numbers of antennas at the base stations (BSs) by leveraging cost- and energy-efficient as well as environmentally friendly antenna arrays. The emerging technology of…

信息论 · 计算机科学 2023-01-11 Li You , Jie Xu , George C. Alexandropoulos , Jue Wang , Wenjin Wang , Xiqi Gao

This work focuses on designing a power-efficient network for Dynamic Metasurface Antennas (DMA)-aided multi-user multiple-input single-output (MISO) antenna systems. Power efficiency is achieved through holographic beamforming in a…

信息论 · 计算机科学 2025-10-09 Askin Altinoklu , Leila Musavian

Sixth generation (6G) cellular communications are expected to support enhanced wireless localization capabilities. The widespread deployment of large arrays and high-frequency bandwidths give rise to new considerations for localization…

信号处理 · 电气工程与系统科学 2022-10-31 Qianyu Yang , Anna Guerra , Francesco Guidi , Nir Shlezinger , Haiyang Zhang , Davide Dardari , Baoyun Wang , Yonina C. Eldar

This paper investigates the impact of practical features of the emerging antenna array technology of Dynamic Metasurface Antennas (DMAs) when used for wideband sensing. By adopting a realistic DMA response model capturing frequency…

信号处理 · 电气工程与系统科学 2026-04-14 Ioannis Gavras , George C. Alexandropoulos
‹ 上一页 1 2 3 10 下一页 ›