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Driven by the emerging use cases in massive access future networks, there is a need for technological advancements and evolutions for wireless communications beyond the fifth-generation (5G) networks. In particular, we envisage the upcoming…

Networking and Internet Architecture · Computer Science 2024-10-30 Ying Loong Lee , Donghong Qin , Li-Chun Wang , Gek Hong , Sim

A fog computing based radio access network (F-RAN) is presented in this article as a promising paradigm for the fifth generation (5G) wireless communication system to provide high spectral and energy efficiency. The core idea is to take…

Information Theory · Computer Science 2016-11-17 Mugen Peng , Shi Yan , Kecheng Zhang , Chonggang Wang

A cloud radio access network (Cloud-RAN) is a network architecture that holds the promise of meeting the explosive growth of mobile data traffic. In this architecture, all the baseband signal processing is shifted to a single baseband unit…

Information Theory · Computer Science 2013-10-02 Yuanming Shi , Jun Zhang , Khaled B. Letaief

This paper provides a unified framework to deal with the challenges arising in dense cloud radio access networks (C-RAN), which include huge power consumption, limited fronthaul capacity, heavy computational complexity, unavailability of…

Networking and Internet Architecture · Computer Science 2017-08-23 Cunhua Pan , Huiling Zhu , Nathan J. Gomes , Jiangzhou Wang

This paper considers a downlink transmission of cloud radio access network (C-RAN) in which precoded baseband signals at a common baseband unit are compressed before being forwarded to radio units (RUs) through limited fronthaul capacity…

Information Theory · Computer Science 2017-03-20 Kien-Giang Nguyen , Quang-Doanh Vu , Markku Juntti , Le-Nam Tran

In a cloud radio access network (C-RAN), distributed remote radio heads (RRHs) are coordinated by baseband units (BBUs) in the cloud. The centralization of signal processing provides flexibility for coordinated multi-point transmission…

Information Theory · Computer Science 2021-01-21 Lei You , Di Yuan

In order to make Internet connections ubiquitous and autonomous in our daily lives, maximizing the utilization of radio resources and social information is one of the major research topics in future mobile communication technologies. Fog…

Information Theory · Computer Science 2017-07-24 Haijun Zhang , Yu Qiu , Xiaoli Chu , Keping Long , Victor C. M. Leung

5G and beyond wireless networks are the upcoming evolution for the current cellular networks to provide the essential requirement of future demands such as high data rate, low energy consumption, and low latency to provide seamless…

Signal Processing · Electrical Eng. & Systems 2020-09-16 Nazanin Moosavi , Mahnaz Sinaie , Paeiz Azmi , Pin-Hsun Lin , Eduard Jorswieck

We study downlink of multiantenna cloud radio access networks (C-RANs) with finite-capacity fronthaul links. The aim is to propose joint designs of beamforming and remote radio head (RRH)-user association, subject to constraints on users'…

Information Theory · Computer Science 2018-10-17 Kien-Giang Nguyen , Quang-Doanh Vu , Markku Juntti , Le-Nam Tran

The cloud radio access network (C-RAN) has become the foundational structure for various emerging communication paradigms, leveraging the flexible deployment of distributed access points (APs) and centralized task processing. In this paper,…

Information Theory · Computer Science 2023-11-17 Chang Wu , Hancheng Lu , Yuang Chen , Langtian Qin

The cloud-radio access network (CRAN) is expected to be the core network architecture for next generation mobile radio systems. In this paper, we consider the downlink of a CRAN formed of one central processor (the cloud) and several…

Information Theory · Computer Science 2016-01-28 Oussama Dhifallah , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

This paper provides solutions for virtualizing C-RANs wireless resources and sharing them between multiple mobile network operators (MNOs). The proposed solutions dynamically allocate wireless resources to users who subscribe to MNOs across…

Networking and Internet Architecture · Computer Science 2015-09-17 Mohamad Kalil , Abdallah Shami , Arafat Al-Dweik

Heterogeneous Vehicular NETworks (HetVNETs) can meet various quality-of-service (QoS) requirements for intelligent transport system (ITS) services by integrating different access networks coherently. However, the current network…

Networking and Internet Architecture · Computer Science 2015-10-23 Kan Zheng , Lu Hou , Hanlin Meng , Qiang Zheng , Ning Lu , Lei Lei

In this paper, we investigate the network power minimization problem for the multicast cloud radio access network (Cloud-RAN) with imperfect channel state information (CSI). The key observation is that network power minimization can be…

Information Theory · Computer Science 2015-12-23 Yuanming Shi , Jun Zhang , Khaled B. Letaief

Multicast transmission and wireless caching are effective ways of reducing air and backhaul traffic load in wireless networks. This paper proposes to incorporate these two key ideas for content-centric multicast transmission in a cloud…

Information Theory · Computer Science 2015-08-12 Hao Zhou , Meixia Tao , Erkai Chen , Wei Yu

Cloud radio access network (C-RAN) architecture is a new mobile network architecture that enables cooperative baseband processing and information sharing among multiple cells and achieves high adaptability to nonuniform traffic by…

Information Theory · Computer Science 2017-08-03 Yi Li , M. Cenk Gursoy , Senem Velipasalar

A key problem in the design of cloud radio access networks (CRANs) is that of devising effective baseband compression strategies for transmission on the fronthaul links connecting a remote radio head (RRH) to the managing central unit (CU).…

Networking and Internet Architecture · Computer Science 2015-10-07 Eunhye Heo , Osvaldo Simeone , Hyuncheol Park

Vertical federated learning (FL) is a collaborative machine learning framework that enables devices to learn a global model from the feature-partition datasets without sharing local raw data. However, as the number of the local intermediate…

Information Theory · Computer Science 2023-05-11 Yuanming Shi , Shuhao Xia , Yong Zhou , Yijie Mao , Chunxiao Jiang , Meixia Tao

The fifth-generation (5G) wireless cellular system, which would be deployed by 2020, is expected to deliver significantly higher capacity and better network performance compared to those of the current fourth-generation (4G) system.…

Signal Processing · Electrical Eng. & Systems 2018-11-07 Vu N. Ha

Within 3GPP, the campus network architecture has evolved as a deployment option for industries and can be provisioned using network slicing over already installed 5G public network infrastructure. In campus networks, the ultra-reliable low…

Networking and Internet Architecture · Computer Science 2025-11-20 Iulisloi Zacarias , Francisco Carpio , André Costa Drummond , Admela Jukan