Results 51 to 60 of about 4,255 (193)

Boosting Fronthaul Capacity: Global Optimization of Power Sharing for Centralized Radio Access Network

, 2018
The limited fronthaul capacity imposes a challenge on the uplink of centralized radio access network (C-RAN). We propose to boost the fronthaul capacity of massive multiple-input multiple-output (MIMO) aided C-RAN by globally optimizing the power sharing
Chen, Sheng, Guo, Xinying, Hanzo, Lajos, Shi, Jia, Zhang, Jiankang   +4 more
core   +1 more source

Optical Wireless Communications with Metasurfaces: Current Status and Potential for Intelligent Communications

Advanced Photonics Research, Volume 6, Issue 7, July 2025.
Optical wireless communications (OWCs) provide a promising alternative to spectrum‐congested microwave wireless communications. Recently, the use of metasurfaces with sub‐wavelength features for dynamic beam steering, beam manipulation, and spatial or optical‐angular‐momentum mode generation, conversion, and multiplexing in OWCs is proposed and ...
Ke Wang, Chengwei Fang, Md Osman Ali, Xiaojun Chen, Safa Alghadi, Shuo Li, Jiayuan He, Sithamparanathan Kandeepan   +7 more
wiley   +1 more source

Harnessing Free Space Optics for Efficient 6G Fronthaul Networks: Challenges and Opportunities

Engineering Reports, Volume 7, Issue 3, March 2025.
The article investigates the potential of free space optics (FSO) for efficient 6G fronthaul networks. FSO is a promising solution to meet the demanding requirements of future 6G applications, either in terrestrial or in nonterrestrial communications. ABSTRACT As standardization work is ongoing for the upcoming sixth generation of cellular networking ...
Abdulhalim Fayad, István Pelle, Tibor Cinkler, Balázs Sonkoly   +3 more
wiley   +1 more source

Integrating Optical and Wireless Techniques towards Novel Fronthaul and Access Architectures in a 5G NR Framework

Applied Sciences, 2021
The fifth-generation of mobile network (5G) and beyond requires a radio access network (RAN) update in order to cope with the incoming increase of wireless data traffic and new applications.
Ramon Maia Borges, Celso Henrique de Souza Lopes, Eduardo Saia Lima, Marco Aurélio de Oliveira, Matheus Sêda Borsato Cunha, Luciano Camilo Alexandre, Luis Gustavo da Silva, Luiz Augusto Melo Pereira, Danilo Henrique Spadoti, Murilo Araujo Romero, Arismar Cerqueira Sodré Junior   +10 more
doaj   +1 more source

Full-Duplex Cloud Radio Access Network: Stochastic Design and Analysis [PDF]

, 2017
Full-duplex (FD) has emerged as a disruptive communications paradigm for enhancing the achievable spectral efficiency (SE), thanks to the recent major breakthroughs in self-interference (SI) mitigation. The FD versus half-duplex (HD) SE gain, in cellular
Shojaeifard, Arman, Tang, Jie, Wong, Kai-Kit, Yu, Wei, Zheng, Gan   +4 more
core   +1 more source

Cooperative Beamforming Design for Multi‐BS Integrated Sensing and Communication Systems

IET Communications, Volume 19, Issue 1, January/December 2025.
This paper investigates a cooperative multi‐BS ISAC system with multi‐target and multi‐user. In particular, communication and sensing are performed by multiple BSs with a cooperative manner. ABSTRACT Integrated sensing and communication (ISAC) is regarded as a promising paradigm for future sixth‐generation (6G) networks, which effectively improves ...
Peng Wang, Dongsheng Han, Xi Song
wiley   +1 more source

Joint Power Control and Fronthaul Rate Allocation for Throughput Maximization in OFDMA-based Cloud Radio Access Network [PDF]

, 2015
The performance of cloud radio access network (C-RAN) is constrained by the limited fronthaul link capacity under future heavy data traffic. To tackle this problem, extensive efforts have been devoted to design efficient signal quantization/compression ...
Bi, Suzhi, Liang, Liu, Zhang, Rui
core  

Echo State Networks for Proactive Caching in Cloud-Based Radio Access Networks with Mobile Users

, 2017
In this paper, the problem of proactive caching is studied for cloud radio access networks (CRANs). In the studied model, the baseband units (BBUs) can predict the content request distribution and mobility pattern of each user, determine which content to
Chen, Mingzhe, Debbah, Mérouane, Saad, Walid, Yin, Changchuan   +3 more
core   +3 more sources

Analog Mobile Fronthaul for 6G and Beyond

Journal of Lightwave Technology
This paper highlights the potential of photonic-assisted analog fronthaul solutions, particularly analog radio-over-fiber (ARoF) and analog radio-over-free-space-optics (ARoFSO), as prospective alternatives for the development of 6G applications. First, we present (New-Radio) NR/5G conformance testing of ARoF and ARoFSO fronthaul links ...
Rafael Puerta, Tianyu Jiang, Mahdieh Joharifar, Armands Ostrovskis, Toms Salgals, Kristaps Rubuls, Richard Schatz, Anders Djupsjöbacka, Fabio Pittalà, Markus Gruen, Hadrien Louchet, Lu Zhang, Sandis Spolitis, Vjaceslavs Bobrovs, Xianbin Yu, Oskars Ozolins, Xiaodan Pang   +16 more
openaire   +2 more sources

UAVs‐Assisted Low‐Bit Quantized CF‐mMIMO Systems With MmWave Communications Under MRC Detection

IET Communications, Volume 19, Issue 1, January/December 2025.
ABSTRACT The cell‐free massive multiple input multiple output (CF‐mMIMO) approach, due to its high coverage and the ability to attenuate the large‐scale fading impacts in wireless communications, has drawn a lot of attention. Additionally, because of their movement ability, low power, and low‐cost employed infrastructures, unmanned aerial vehicles ...
Sogol Moshirvaziri, Jamshid Abouei
wiley   +1 more source