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We investigate the user-to-cell association (or user-clustering) and beamforming design for Cloud Radio Access Networks (CRANs) and Fog Radio Access Networks (FogRANs) for 5G. CRAN enables cloud centralized resource and power allocation…

信号处理 · 电气工程与系统科学 2018-02-06 Nicolas Pontois , Megumi Kaneko , Thi Ha Ly Dinh , Lila Boukhatem

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…

信息论 · 计算机科学 2019-01-01 Jiankang Zhang , Sheng Chen , Xinying Guo , Jia Shi , Lajos Hanzo

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…

信息论 · 计算机科学 2016-02-11 Yigit Ugur , Zohaib Hassan Awan , Aydin Sezgin

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…

网络与互联网体系结构 · 计算机科学 2019-11-06 Mojdeh Karbalaee Motalleb , Vahid Shah-Mansouri , Salar Nouri Naghadeh

Cloud-radio access networks (C-RAN) help overcoming the scarcity of radio resources by enabling dense deployment of base-stations (BSs), and connecting them to a central-processor (CP). This paper considers the downlink of a C-RAN, where…

信息论 · 计算机科学 2019-04-23 Alaa Alameer Ahmad , Hayssam Dahrouj , Anas Chaaban , Aydin Sezgin , Mohamed-Slim Alouini

Recently, an evolution of the Cloud Radio Access Network (C-RAN) has been proposed, named as Fog Radio Access Network (F-RAN). Compared to C-RAN, the Radio Units (RUs) in F-CAN are equipped with local caches, which can store some frequently…

信息论 · 计算机科学 2016-02-23 Di Chen , Stephan Schedler , Volker Kuehn

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…

信号处理 · 电气工程与系统科学 2020-09-16 Nazanin Moosavi , Mahnaz Sinaie , Paeiz Azmi , Pin-Hsun Lin , Eduard Jorswieck

Mobile cloud and edge computing protocols make it possible to offer computationally heavy applications to mobile devices via computational offloading from devices to nearby edge servers or more powerful, but remote, cloud servers. Previous…

信号处理 · 电气工程与系统科学 2021-03-31 Seok-Hwan Park , Seongah Jeong , Jinyeop Na , Osvaldo Simeone , Shlomo Shamai

As a promising paradigm to reduce both capital and operating expenditures, the cloud radio access network (C-RAN) has been shown to provide high spectral efficiency and energy efficiency. Motivated by its significant theoretical performance…

信息论 · 计算机科学 2016-04-05 Mugen Peng , Yaohua Sun , Xuelong Li , Zhendong Mao , Chonggang Wang

This dissertation paper presents the main contributions to the design and the implementation of a Cloud-RAN solution. We concretely address the two main challenges of Cloud-RAN systems: real-time processing of radio signals and reduced…

网络与互联网体系结构 · 计算机科学 2019-12-03 Veronica Quintuna Rodriguez , Fabrice Guillemin

Heterogeneous cloud radio access networks (HCRANs) are potential solutions to improve both spectral and energy efficiencies by embedding cloud computing into heterogeneous networks (HetNets). The interference among remote radio heads (RRHs)…

信息论 · 计算机科学 2016-11-15 Mugen Peng , Xinqian Xie , Qiang Hu , Jie Zhang , H. Vincent Poor

In this paper, we propose a cross layer energy efficient resource allocation and remote radio head (RRH) selection algorithm for heterogeneous traffic in power domain - non-orthogonal multiple access (PD-NOMA) based heterogeneous cloud…

信号处理 · 电气工程与系统科学 2018-03-22 Ali Mokdad , Paeiz Azmi , Nader Mokari , Mohammad Moltafet , Mohsen Ghaffari-Miab

This work studies the joint design of cloud and edge processing for the downlink of a fog radio access network (F-RAN). In an F-RAN, as in cloud-RAN (C-RAN), a baseband processing unit (BBU) can perform joint baseband processing on behalf…

信息论 · 计算机科学 2016-01-12 Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

The fifth-generation of mobile radio technologies is expected to be agile, flexible, and scalable while provisioning ultra-reliable and low-latency communication (uRLLC), enhanced mobile broadband (eMBB), and massive machine type…

网络与互联网体系结构 · 计算机科学 2022-05-10 Sourav Mondal , Marco Ruffini

Heterogeneous cloud radio access networks (H-CRANs) are envisioned to be promising in the fifth generation (5G) wireless networks. H-CRANs enable users to enjoy diverse services with high energy efficiency, high spectral efficiency, and…

网络与互联网体系结构 · 计算机科学 2018-01-09 Fuhui Zhou , Yongpeng Wu , Rose Qingyang Hu , Yuhao Wang , Kai-Kit Wong

In a Fog Radio Access Network (Fog-RAN), edge caching is combined with cloud-aided transmission in order to compensate for the limited hit probability of the caches at the base stations (BSs). Unlike the typical wired scenarios studied in…

网络与互联网体系结构 · 计算机科学 2017-07-11 Igor Stanojev , Osvaldo Simeone

In this paper, we consider an uplink heterogeneous cloud radio access network (H-CRAN), where a macro base station (BS) coexists with many remote radio heads (RRHs). For cost-savings, only the BS is connected to the baseband unit (BBU) pool…

信息论 · 计算机科学 2019-01-08 Wenchao Xia , Jun Zhang , Tony Q. S. Quek , Shi Jin , Hongbo Zhu

The cloud radio access network (C-RAN) is a promising network architecture for future mobile communications, and one practical hurdle for its large scale implementation is the stringent requirement of high capacity and low latency fronthaul…

信息论 · 计算机科学 2015-06-23 Xiongbin Rao , Vincent K. N. Lau

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…

信号处理 · 电气工程与系统科学 2018-10-11 Jobin Francis , Gerhard Fettweis

This paper considers a downlink ultra-dense heterogeneous cloud radio access network (H-CRAN) which guarantees seamless coverage and can provide high date rates. In order to reduce channel state information (CSI) feedback overhead,…

信息论 · 计算机科学 2018-04-24 Hao Xu , Cunhua Pan , Wei Xu , Gordon L. Stüber , Jianfeng Shi , Ming Chen