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In this paper, we address the problem of power-efficient resource management in Cloud Radio Access Networks (C-RANs). Specifically, we consider the case where Remote Radio Heads (RRHs) perform data transmission, and signal processing is…

Networking and Internet Architecture · Computer Science 2019-04-25 Salvatore D'Oro , Marcelo Antonio Marotta , Cristiano Bonato Both , Luiz DaSilva , Sergio Palazzo

Cloud radio access network (C-RAN) and massive multiple-input-multiple-output (MIMO) are two key enabling technologies to meet the diverse and stringent requirements of the 5G use cases. In a C-RAN system with massive MIMO, fronthaul is…

Signal Processing · Electrical Eng. & Systems 2018-10-11 Jobin Francis , Gerhard Fettweis

Cloud radio access network (C-RAN) has emerged as a potential candidate of the next generation access network technology to address the increasing mobile traffic, while mobile cloud computing (MCC) offers a prospective solution to the…

Networking and Internet Architecture · Computer Science 2016-11-17 Kezhi Wang , Kun Yang , Chathura Sarathchandra Magurawalage

In this paper, we consider the network power minimization problem in a downlink cloud radio access network (C-RAN), taking into account the power consumed at the baseband unit (BBU) for computation and the power consumed at the remote radio…

Information Theory · Computer Science 2019-01-08 Wenchao Xia , Jun Zhang , Tony Q. S. Quek , Shi Jin , Hongbo Zhu

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 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…

Information Theory · Computer Science 2019-01-01 Jiankang Zhang , Sheng Chen , Xinying Guo , Jia Shi , Lajos Hanzo

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

Recently, Cloud-based Radio Access Network (C-RAN) has been proposed as a potential solution to reduce energy cost in cellular networks. C-RAN centralizes the baseband processing capabilities of Base Stations (BSs) in a cloud computing…

Information Theory · Computer Science 2016-08-25 Qiang Fan , Hancheng Lu , Wei Jiang , Peilin Hong , Jun Wu , Chang Wen Chen

This paper investigates the resource allocation problem combined with fronthaul precoding and access link sparse precoding design in cloud radio access network (C-RAN) wireless fronthaul systems.Multiple remote antenna units (RAUs) in C-RAN…

Information Theory · Computer Science 2023-05-26 Peng Jiang , Jiafei Fu , Pengcheng Zhu , Jiamin Li , Xiaohu You

In light of the premises of beyond fifth generation (B5G) networks, the need for better exploiting the capabilities of cloud-enabled networks arises, so as to cope with the large-scale interference resulting from the massive increase of…

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 this paper, by considering multiple slices, a downlink transmission of a sparse code multiple access (SCMA) based cloud-radio access network (C-RAN) is investigated. In this regard, by supposing multiple input and single output (MISO)…

Networking and Internet Architecture · Computer Science 2019-02-26 Mohammad. Moltafet , Saeedeh. Parsaeefard , Mohammad R. Javan , Nader. Mokari

Cloud-based Radio Access Network (C-RAN) is a promising architecture for future cellular networks, in which Baseband Units (BBUs) are placed at a centralized location, with capacity-constrained fronthaul connected to multiple distributed…

Information Theory · Computer Science 2017-06-23 Lei You , Di Yuan

A cloud radio access network (C-RAN) is considered as a candidate to meet the expectations of higher data rate de- mands in wireless networks. In C-RAN, low energy base stations (BSs) are deployed over a small geography and are allowed to…

Information Theory · Computer Science 2016-02-11 Yigit Ugur , Zohaib Hassan Awan , Aydin Sezgin

As a promising paradigm for fifth generation (5G) wireless communication systems, cloud radio access networks (C-RANs) have been shown to reduce both capital and operating expenditures, as well as to provide high spectral efficiency (SE)…

Information Theory · Computer Science 2016-11-15 M. Peng , C. Wang , V. Lau , H. V. Poor

Cloud radio access networks (C-RAN) are a promising technology to enable the ambitious vision of the fifth generation (5G) communication networks. In spite of the potential benefits of C-RAN, the operational costs are still a challenging…

Information Theory · Computer Science 2016-07-22 Alaa Alameer , Aydin Sezgin

Cloud-Radio Access Network (C-RAN) is a promising network architecture to reduce energy consumption and the increasing number of base station deployment costs in mobile networks. However, the necessity of enormous fronthaul bandwidth…

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

We propose a power-and rate-adaptation scheme for cloud radio access networks (C-RANs), where each radio remote head (RRH) is connected to the baseband unit (BBU) pool through optical links. The RRHs jointly support the users by efficiently…

Information Theory · Computer Science 2018-06-15 Hong Ren , Nan Liu , Cunhua Pan , Maged Elkashlan , Arumugam Nallanathan , Xiaohu You , Lajos Hanzo

This correspondence paper investigates joint design of small base station (SBS) clustering, multicast beamforming for access and backhaul links, as well as frequency allocation in backhaul transmission to minimize the total power…

Signal Processing · Electrical Eng. & Systems 2019-09-04 Jun Xu , Pengcheng Zhu , Jiamin Li , Xiaohu You

In this paper, we investigate the joint beamforming and power splitting design problem in a base station (BS) cluster-based cloud radio access network (C-RAN) with multicast fronthaul, where users are jointly served by BSs within each…

Information Theory · Computer Science 2020-02-12 Wanming Hao , Gangcan Sun , Ming Zeng , Zhengyu Zhu , Bin Jiang , Shouyi Yang
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