中文
相关论文

相关论文: Smart Helper-Aided F-RANs: Improving Delay and Red…

200 篇论文

Fog-aided network architectures for 5G systems encompass wireless edge nodes, referred to as remote radio systems (RRSs), as well as remote cloud center (RCC) processors, which are connected to the RRSs via a fronthaul access network. RRSs…

信息论 · 计算机科学 2017-06-23 Jinkyu Kang , Osvaldo Simeone , Joonhyuk Kang , Shlomo Shamai

The use of a large excess of service antennas brings a variety of performance benefits to distributed MIMO C-RAN, but the corresponding high fronthaul data loads can be problematic in practical systems with limited fronthaul capacity. In…

信息论 · 计算机科学 2022-02-01 Fred Wiffen , Woon Hau Chin , Angela Doufexi

A Fog radio access network is considered as a network architecture candidate to meet the soaring demand in terms of reliability, spectral efficiency, and latency in next generation wireless networks. This architecture combines the benefits…

信息论 · 计算机科学 2017-06-26 Jaber Kakar , Soheil Gherekhloo , Aydin Sezgin

In this paper, we study the stochastic optimization of cloud radio access networks (C-RANs) by joint remote radio head (RRH) activation and beamforming in the downlink. Unlike most previous works that only consider a static optimization…

信息论 · 计算机科学 2016-11-15 Jian Li , Jingxian Wu , Mugen Peng , Ping Zhang

We consider scalable cell-free massive multiple-input multiple-output networks under an open radio access network paradigm comprising user equipments (UEs), radio units (RUs), and decentralized processing units (DUs). UEs are served by…

信息论 · 计算机科学 2024-07-08 Zhiyang Li , Fabian Göttsch , Siyao Li , Ming Chen , Giuseppe Caire

This work studies the robust design of downlink precoding for cloud radio access network (C-RAN) in the presence of asynchronism among remote radio heads (RRHs). Specifically, a C-RAN downlink system is considered in which non-ideal…

信息论 · 计算机科学 2016-09-21 Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

Current Distributed Radio Access Networks~(D-RANs), which are characterized by a static configuration and deployment of Base Stations~(BSs), have exposed their limitations in handling the temporal and geographical fluctuations of capacity…

网络与互联网体系结构 · 计算机科学 2017-10-03 Abolfazl Hajisami , Tuyen X. Tran , Dario Pompili

It is known that data rates in standard cellular networks are limited due to inter-cell interference. An effective solution of this problem is to use the multi-cell cooperation idea. In Cloud Radio Access Network (C-RAN), which is a…

信息论 · 计算机科学 2021-02-16 Fehmi Emre Kadan , Ali Özgür Yılmaz

This work studies the advantages of coded multicasting for the downlink of a Fog Radio Access Network (F-RAN) system equipped with a multicast fronthaul link. In this system, a control unit (CU) in the baseband processing unit (BBU) pool is…

信息论 · 计算机科学 2017-05-12 Seok-Hwan Park , Osvaldo Simeone , Wonju Lee , Shlomo Shamai

This work studies multigroup multicasting transmission in cloud radio access networks (C-RANs) with simultaneous wireless information and power transfer, where densely packed remote radio heads (RRHs) cooperatively provide information and…

信息论 · 计算机科学 2021-06-10 Fangqing Tan , Peiran Wu , Yik-Chung Wu , Minghua Xia

To meet the increasing demands of next-generation cellular networks (e.g., 6G), advanced networking technologies must be incorporated. On one hand, the Fog Radio Access Network (F-RAN), has been proposed as an enhancement to the Cloud Radio…

网络与互联网体系结构 · 计算机科学 2023-01-23 Sifat Ut Taki , Spyridon Mastorakis

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…

网络与互联网体系结构 · 计算机科学 2019-04-25 Salvatore D'Oro , Marcelo Antonio Marotta , Cristiano Bonato Both , Luiz DaSilva , Sergio Palazzo

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'…

信息论 · 计算机科学 2018-10-17 Kien-Giang Nguyen , Quang-Doanh Vu , Markku Juntti , Le-Nam Tran

We study the problem of uplink compression for cell-free multi-input multi-output networks with limited fronthaul capacity. In compress-forward mode, remote radio heads (RRHs) compress the received signal and forward it to a central unit…

信息论 · 计算机科学 2025-06-16 Zehua Li , Jingjie Wei , Raviraj Adve

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

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…

Cell-free massive MIMO (multiple-input multiple-output) enhances spectral and energy efficiency compared to conventional cellular networks by enabling joint transmission and reception across a large number of distributed access points…

信号处理 · 电气工程与系统科学 2026-02-10 Özlem Tuğfe Demir , Emil Björnson

In a Fog-Radio Access Network (F-RAN), edge caching and fronthaul connectivity to a cloud processor are utilized for the purpose of content delivery. Additional Device-to-Device (D2D) communication capabilities can support the operation of…

信息论 · 计算机科学 2019-12-20 Roy Karasik , Osvaldo Simeone , Shlomo Shamai

A novel non-orthogonal multiple access (NOMA) based low-delay service framework is proposed for fog radio access networks (F-RANs). Fog access points (FAPs) leverage NOMA for local delivery of cached content, while the cloud access point…

信号处理 · 电气工程与系统科学 2026-02-26 Yuan Ai , Xidong Mu , Pengbo Si , Yuanwei Liu

The fog-radio-access-network (F-RAN) has been proposed to address the strict latency requirements, which offloads computation tasks generated in user equipments (UEs) to the edge to reduce the processing latency. However, it incorporates…

信号处理 · 电气工程与系统科学 2022-07-04 Haonan Hu , Yan Jiang , Jiliang Zhang , Yanan Zheng , Qianbin Chen , Jie Zhang