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Centralized/Cloud Radio Access Network (C-RAN) comes into prominence to reduce the rising energy consumptions and maintenance difficulties of the next-generation networks. However, C-RAN has strict delay requirements, and it needs large…

Networking and Internet Architecture · Computer Science 2021-01-13 Turgay Pamuklu , Cem Ersoy

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

This paper considers networked sensing in cellular network, where multiple base stations (BSs) first compress their received echo signals from multiple targets and then forward the quantized signals to the central unit (CU) via…

Signal Processing · Electrical Eng. & Systems 2024-09-09 Weifeng Zhu , Shuowen Zhang , Liang Liu

This paper considers a cloud radio access network (C-RAN) where spatially distributed remote radio heads (RRHs) communicate with a full-duplex user. In order to reflect a realistic scenario, the uplink (UL) and downlink (DL) RRHs are…

Information Theory · Computer Science 2016-03-01 Mohammadali Mohammadi , Himal A. Suraweera , Chintha Tellambura

In a cell-free cloud radio access network (C-RAN) architecture, uplink channel estimation is carried out by a centralized baseband processing unit (BBU) connected to distributed remote radio heads (RRHs). When the RRHs have multiple…

Signal Processing · Electrical Eng. & Systems 2019-12-19 Seok-Hwan Park , Osvaldo Simeone , Yonina C. Eldar , Elza Erkip

Fog Radio Access Networks (F-RAN) are gaining worldwide interests for enabling mobile edge computing for Beyond 5G. However, to realize the future real-time and delay-sensitive applications, F-RAN tailored radio resource allocation and…

Networking and Internet Architecture · Computer Science 2020-09-28 Thi Ha Ly Dinh , Megumi Kaneko , Ellen Hidemi Fukuda , Lila Boukhatem

Open radio access network (ORAN) alliance which has been formed recently establishes a flexible, open, and smart radio access network (RAN) by combing the ideas from xRAN and cloud RAN (C-RAN). ORAN divides the functions of the RAN into…

Networking and Internet Architecture · Computer Science 2019-11-06 Mojdeh Karbalaee Motalleb , Vahid Shah-Mansouri , Salar Nouri Naghadeh

In this paper, we address the virtualization and the centralization of real-time network functions, notably in the framework of Cloud RAN (C-RAN). We thoroughly analyze the required fronthaul capacity for the deployment of the proposed…

Networking and Internet Architecture · Computer Science 2019-05-06 Veronica Quintuna Rodriguez , Fabrice Guillemin

Integrated access and backhaul (IAB) network is a novel radio access network (RAN) solution, enabling network densification for 5G and beyond. In this paper, we use power control combined with resource allocation algorithms to develop…

Networking and Internet Architecture · Computer Science 2021-10-18 Olalekan Peter Adare , Haitham Babbili , Charitha Madapatha , Behrooz Makki , Tommy Svensson

Increasing electricity prices motivates the mobile network operators to find new energy-efficient solutions for radio access networks (RANs). In this study, we focus on a specific type of RAN where the stand-alone solar panels are used as…

Networking and Internet Architecture · Computer Science 2020-06-16 Turgay Pamuklu , Cem Ersoy

Benefited from the advances of deep learning (DL) techniques, deep joint source-channel coding (JSCC) has shown its great potential to improve the performance of wireless transmission. However, most of the existing works focus on the…

Information Theory · Computer Science 2022-11-22 Kaiyi Chi , Qianqian Yang , Zhaohui Yang , Yiping Duan , Zhaoyang Zhang

Control data separation architecture (CDSA) is a more efficient architecture to overcome the overhead issue than the conventional cellular networks, especially for the huge bursty traffic like Internet of Things, and over-the-top (OTT)…

Information Theory · Computer Science 2015-11-24 Qiang Liu , Gang Wu , Yingchu Guo , Yusong Zhang

Due to the unique physical-layer characteristics associated with MIMO and cognitive radio (CR), the network performance is tightly coupled with mechanisms at the physical, link, network, and transport layers. In this paper, we consider an…

Networking and Internet Architecture · Computer Science 2016-11-17 Weiqiang Xu , Wenchu Yuan , Qingjiang Shi , Xiaodong Wang , Yake Zhang

Popular content caching is expected to play a major role in efficiently reducing backhaul congestion and achieving user satisfaction in next generation mobile radio systems. Consider the downlink of a cache-enabled cloud radio access…

Information Theory · Computer Science 2016-09-07 Oussama Dhifallah , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

In the Cloud Radio Access Network (C-RAN) architecture, a Control Unit (CU) implements the baseband processing functionalities of a cluster of Base Stations (BSs), which are connected to it through a fronthaul network. This architecture…

Information Theory · Computer Science 2015-10-27 Qing Han , Chenxi Wang , Marco Levorato , Osvaldo Simeone

The downlink of symmetric Cloud Radio Access Networks (C-RANs) with multiple relays and a single receiver is studied. Lower and upper bounds are derived on the capacity. The lower bound is achieved by Marton's coding which facilitates…

Information Theory · Computer Science 2018-02-14 Shirin Saeedi Bidokhti , Gerhard Kramer , Shlomo Shamai

Cloud Radio Access Network (C-RAN) is a prominent architecture for 5G wireless cellular system that is based on the centralization of baseband processing for multiple distributed radio units (RUs) at a control unit (CU). In this work, it is…

Information Theory · Computer Science 2017-05-19 Seongah Jeong , Osvaldo Simeone , Alexander Haimovich , Joonhyuk Kang

Fog-computing network combines the cloud computing and fog access points (FAPs) equipped with mobile edge computing (MEC) servers together to support computation-intensive tasks for mobile users. However, as FAPs have limited computational…

Information Theory · Computer Science 2020-03-28 Yijin Pan , Huilin Jiang , Huiling Zhu , Jiangzhou Wang

The evolution of telecommunication network towards cloud-native environments enables flexible centralization of the base band processing of radio signals. There is however a trade-off between the centralization benefits and the fronthaul…

Networking and Internet Architecture · Computer Science 2021-01-13 Veronica Quintuna Rodriguez , Fabrice Guillemin , Alexandre Ferrieux , Laurent Thomas

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…

Information Theory · Computer Science 2017-04-04 Mingzhe Chen , Walid Saad , Changchuan Yin , Mérouane Debbah