Results 51 to 60 of about 172,090 (150)

Compact waveguide-integrated metasurface twist with filtering and phase shifting capabilities for millimeter-wave guided-wave applications

iScience
Summary: Recent advancements in metasurfaces have enabled precise control of wave properties such as amplitude, phase, and polarization, which are critical for multifunctional devices in modern communications.
Amirmasood Bagheri, Zahra Rahimian Omam, Pei Xiao, Seyed Ehsan Hosseininejad, Mohsen Khalily   +4 more
doaj   +1 more source

Tối ưu hiệu suất năng lượng cho hệ thống Massive MIMO đường xuống

Tạp chí Khoa học và Công nghệ, 2023
Massive MIMO (mMIMO) được xem là công nghệ cốt lõi cho mạng 5G và là thành phần chính cho các thế hệ mạng tiếp theo (6G trở đi). Việc sử dụng mMIMO mang lại nhiều lợi ích đáng kể như tăng tốc độ truyền dữ liệu, tăng độ tin cậy, giảm thời gian trễ, tăng ...
Nguyễn Trung Hiếu, Lê Thị Phương Mai, Nguyễn Văn Hiếu   +2 more
doaj  

A Survey for Intrusion Detection Systems in Open RAN

IEEE Access
Open Radio Access Network (RAN) introduces a groundbreaking industry standard for Radio Access Networks, fostering vendor interoperability and network flexibility through open interfaces while leveraging network softwarization, Artificial, and Machine ...
Emmanuel N. Amachaghi, Mohammad Shojafar, Chuan Heng Foh, Klaus Moessner   +3 more
doaj   +1 more source

NL-COMM: Enabling High-Performing Next-Generation Networks via Advanced Non-Linear Processing

Future Internet
Future wireless networks are expected to deliver enhanced spectral efficiency while being energy efficient. MIMO and other non-orthogonal transmission schemes, such as non-orthogonal multiple access (NOMA), offer substantial theoretical spectral ...
Chathura Jayawardena, George Ntavazlis Katsaros, Konstantinos Nikitopoulos   +2 more
doaj   +1 more source

High-Throughput Accelerator for Exact-MMSE Soft-Output Detection in Open RAN Systems

IEEE Access
Open Radio Access Networks (Open RANs), realized fully in software, require excessive computing resources to support time-sensitive signal-processing algorithms in the physical layer.
Thomas James Thomas, Konstantinos Nikitopoulos   +1 more
doaj   +1 more source

Active Gain-Controlled Beam-Steering Transmissive Surface

IEEE Open Journal of Antennas and Propagation
Engineered electromagnetic surfaces enable enhancing the strength of a signal in the desired direction(s) using anomalous reflection/transmission. However, to boost the gain of the conventional surfaces, the common solution is to increase its aperture ...
Seyed Ehsan Hosseininejad, Amirmasood Bagheri, Fan Wang, Mohsen Khalily, Rahim Tafazolli   +4 more
doaj   +1 more source

Time-modulated 1-bit amplitude-coded metasurface for space-frequency beam shaping

Scientific Reports
Two-dimensional (2D) space-encoded metamaterials enable the progressive development of a multitude of functionalities for controlling electromagnetic (EM) waves. Recently, time-modulated phase-coded metasurfaces have been introduced into 2D metamaterials,
Seyed Ehsan Hosseininejad, Mohsen Khalily, Rahim Tafazolli   +2 more
doaj   +1 more source

CC-OLIA: A dynamic congestion control algorithm for multipath QUIC in mobile networks

Digital Communications and Networks
High-quality services in today's mobile networks require stable delivery of bandwidth-intensive network content. Multipath QUIC (MPQUIC), as a multipath protocol that extends QUIC, can utilize multiple paths to support stable and efficient transmission ...
Haoyu Wang, Yang Liu, Zijun Li, Yu Zhang, Wenjing Gong, Tao Jiang, Ting Bi, Jiaxi Zhou   +7 more
doaj   +1 more source

6G PHY: Insights From 6G-ANNA Research Initiative

IEEE Open Journal of the Communications Society
Published by IEEE, [New York, NY]
Bitan Banerjee, Bharat Agarwal, Abdullah Ahmad, Carsten Bockelmann, Renato L. G. Cavalcante, Alireza Danaee, Armin Dekorsy, Gerhard P. Fettweis, Jochen Fink, Norman Franchi, Rick Fritschek, Florian Gast, Pramesh Gautam, Johannes Kortz, Chu Li, Miguel Lopez, Maximilian Lübke, Lorenzo Miretti, Ahmad Nimr, Mohammad Parvini, Stefan Roth 0004, Rafael F. Schaefer, Anke Schmeink, Gerhard Schreiber, Sadra Seyedmasoumian, Aydin Sezgin, Slawomir Stanczak, Yanpeng Su, Dirk Wübben, Christian T. Zenger   +29 more
openaire   +2 more sources

Verso la tecnologia 6G per i luoghi della cultura

Archeomatica, 2023
Considering the remarkable historical, artistic, monumental, demoethno-anthropological, archaeological, archival and national library heritage, in order to improve the management and safety of places of culture, it becomes essential to focus attention ...
Luca Papi, Francesco Paolo Russo
doaj