Results 31 to 40 of about 400 (179)

A 100 Gbps OFDM-Based 28 GHz Millimeter-Wave Radio over Fiber Fronthaul System for 5G

Optics, 2021
Due to the unprecedented growth in mobile data traffic, emerging mobile access networks such as fifth-generation (5G) would require huge bandwidth and a mobile fronthaul architecture as an essential solution in providing a high capacity for support in ...
James Dzisi Gadze, Reynah Akwafo, Kwame Agyeman-Prempeh Agyekum, Kwasi Adu-Boahen Opare   +3 more
doaj   +1 more source

Key technology and deployment strategy of 5G fronthaul transport networks

Dianxin kexue, 2019
As one of the frontier communication technology,5G mobile communication technology has attracted much attention in China and abroad.Before large-scale deployment of 5G base station,the transport network must be planned and ready in advance.Four kinds of ...
Fengchao FU, Peng WANG, Yu MAO, Yongmei HUANG, Yuanbao XIE, Aihua ZHANG, Guoqiang LIN   +6 more
doaj   +2 more sources

Flexible Function Splitting and Resource Allocation in C-RAN for Delay Critical Applications

IEEE Access, 2020
The concept of cloud radio access network (C-RAN) architecture is being proposed to fully meet the requirements of 5G mobile networks. Thanks to the centralized cloud baseband unit (BBU), C-RAN reduces the energy consumption and cost of deployment ...
Masumehsadat Tohidi, Hamidreza Bakhshi, Saeedeh Parsaeefard   +2 more
doaj   +1 more source

Digital Twin‐Based Optimization of Service Availability in LEO Mega Constellations Considering Handover Delays in Open RAN

International Journal of Satellite Communications and Networking, EarlyView.
ABSTRACT As non‐terrestrial networks (NTNs) become integral to future 6G systems, ensuring seamless connectivity and service continuity over low Earth orbit (LEO) satellite constellations is essential. This work investigates the impact of open radio access network (RAN) functional splits on handover performance in NTNs, focusing on minimizing service ...
Siva Satya Sri Ganesh Seeram, Luca Feltrin, Mustafa Ozger, Cicek Cavdar   +3 more
wiley   +1 more source

Phase and Time Synchronization for 5G C-RAN: Requirements, Design Challenges and Recent Advances in Standardization [PDF]

EAI Endorsed Transactions on Industrial Networks and Intelligent Systems, 2018
Cloud-RAN is one of the key enablers for 5G. In this paper we present the importance of network synchronization for the fronthaul architectures. The term network synchronization refers to the distribution of time and frequency among spatially distributed
Daniel Venmani, Yannick Lagadec, Olivier Lemoult, Fabrice Deletre   +3 more
doaj   +1 more source

Millimeter‐Wave Antennas: A Comprehensive State‐of‐the‐Art Review of Design Approaches, Operating Bands, Challenges, and Applications in Body‐Centric and Emerging Systems

Radio Science, Volume 61, Issue 5, May 2026.
Abstract This paper reviews and classifies more than 120 recent contributions on millimeter‐wave (mm‐wave) antennas, with emphasis on their operating bands, design methods, and application domains. It surveys the main mm‐wave frequency ranges and their use in 5G/6G communications, radar and sensing, biomedical and body‐centric systems, imaging, and ...
Sarra Khacha, Chemseddine Zebiri, Mohammad Alibakhshikenari, Djamel Sayad, Issa Elfergani, Muhammad Akmal Chaudhary, Nisar Ahmad Abbasi, Arpan Desai, Jonathan Rodriguez, Takfarinas Saber, Ernesto Limiti   +10 more
wiley   +1 more source

Framework for Task Offloading in O‐RAN Architecture for Heterogeneous Computing Applications

Transactions on Emerging Telecommunications Technologies, Volume 37, Issue 2, February 2026.
This work proposes a task offloading framework in ORAN architecture, optimizing computational assignment across user devices, edge cloud, and regional cloud. By efficiently selecting processing nodes and allocating computational and radio resources, it minimizes delay while accommodating diverse latency requirements for gold, silver, and bronze‐tier ...
Samira Taheri, Neda Moghim, Naser Movahhedinia, Sachin Shetty   +3 more
wiley   +1 more source

FttC-Based Fronthaul for 5G Dense/Ultra-Dense Access Network: Performance and Costs in Realistic Scenarios

Future Internet, 2017
One distinctive feature of the next 5G systems is the presence of a dense/ultra-dense wireless access network with a large number of access points (or nodes) at short distances from each other.
Franco Mazzenga, Romeo Giuliano, Francesco Vatalaro   +2 more
doaj   +1 more source

Deep Reinforcement Learning‐Based Power Control Optimisation for Maximising Energy Efficiency in mmWave User‐Centric Cell‐Free Massive MIMO

IET Communications, Volume 20, Issue 1, January/December 2026.
The multi‐agent Deep Reinforcement Learning (DRL)‐based uplink power control algorithm significantly improves energy efficiency using multi‐agent Deep Deterministic Twin Policy Gradient (MATD3) with dynamic clustering. The Proposed algorithm outperforms single‐agent DRL and classical methods.
Dramane Diarra, Heywood Ouma Absaloms, Philip Kibet Langat   +2 more
wiley   +1 more source

Joint Time Synchronisation and Localisation Method by TDOA Observation in 5G Networks

IET Radar, Sonar &Navigation, Volume 20, Issue 1, January/December 2026.
This work proposes a method for joint time synchronisation and localisation problems and proposes to obtain the initial values of the alternating iteration algorithm through solving the MVIE problem. The simulations showcase the satisfying positioning accuracy and clock synchronisation accuracy of the proposed method.
Qiao Liu, Yutong Tian, Zhihang Qu, Yong Li   +3 more
wiley   +1 more source