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In this paper, cooperative edge caching problem is studied in fog radio access networks (F-RANs). Given the non-deterministic polynomial hard (NP-hard) property of the problem, a dueling deep Q network (Dueling DQN) based caching update…

信号处理 · 电气工程与系统科学 2022-06-24 Yanxiang Jiang , Min Zhang , Fu-Chun Zheng , Yan Chen , Mehdi Bennis , Xiaohu You

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…

信息论 · 计算机科学 2016-09-07 Oussama Dhifallah , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

As a promising paradigm for the fifth generation wireless communication (5G) system, the fog radio access network (F-RAN) has been proposed as an advanced socially-aware mobile networking architecture to provide high spectral efficiency…

信息论 · 计算机科学 2017-09-18 Mugen Peng , Kecheng Zhang

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 explores the application of uplink fronthaul compression techniques within Open RAN (O-RAN) to mitigate fronthaul load in decentralized distributed MIMO (DD-MIMO) systems. With the ever-increasing demand for high data rates and…

信号处理 · 电气工程与系统科学 2025-07-08 Mostafa Rahmani , Junbo Zhao , Vida Ranjbar , Ahmed Al-Tahmeesschi , Hamed Ahmadi , Sofie Pollin , Alister G. Burr

Ultra-dense (UD) wireless networks and cloud radio access networks (CRAN) are two promising network architectures for the emerging fifth-generation (5G) wireless communication systems. By jointly employing them, a new appealing network…

信息论 · 计算机科学 2017-02-09 Reuben George Stephen , Rui Zhang

This paper presents a compression scheme developed for the transport of downlink radio signals in packet fronthaul of centralized-radio access networks (C-RAN). The technique is tailored to frequency-domain functional splits, in which…

信号处理 · 电气工程与系统科学 2020-01-13 Cleverson Nahum , Leonardo Ramalho , Joary Fortuna , Chenguang Lu , Miguel Berg , Igor Almeida , Aldebaro Klautau

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

This paper is interested in maximizing the total throughput of cloud radio access networks (CRANs) in which multiple radio remote heads (RRHs) are connected to a central computing unit known as the cloud. The transmit frame of each RRH…

信息论 · 计算机科学 2018-01-17 Mohammed S. Al-Abiad , Ahmed Douik , Sameh Sorour , MD Jahangir Hossain

Cloud-Radio Access Networks (Cloud-RANs) are separating the mobile networks base station functions into three units, the connection between the two of them is referred to as the fronthaul network. This work demonstrates the transmission of…

网络与互联网体系结构 · 计算机科学 2021-04-13 Line Larsen , Frank Slyne , Ghizlane Mountaser , Marco Ruffini , Toktam Mahmoodi

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…

信息论 · 计算机科学 2020-02-12 Wanming Hao , Gangcan Sun , Ming Zeng , Zhengyu Zhu , Bin Jiang , Shouyi Yang

A multi-user fog radio access network (F-RAN) is designed for supporting content-centric services. The requested contents are partitioned into sub-contents, which are then 'beam- formed' by the remote radio heads (RRHs) for transmission to…

信息论 · 计算机科学 2021-08-17 W. Zhu , H. D. Tuan , E. Dutkiewicz , Y. Fang , L. Hanzo

We consider computation offloading for Internet-of-things (IoT) applications in multiple-input-multiple-output (MIMO) cloud-radio-access-network (C-RAN). Due to the limited battery life and computational capability in the IoT devices…

网络与互联网体系结构 · 计算机科学 2019-09-25 Chandan Pradhan , Ang Li , Changyang She , Yonghui Li , Branka Vucetic

A hybrid cloud radio access network (H-CRAN) architecture has been proposed to alleviate the midhaul capacity limitation in C-RAN. In this architecture, functional splitting is utilized to distribute the processing functions between a…

网络与互联网体系结构 · 计算机科学 2019-07-02 Ajay Sriram , Meysam Masoudi , Abdulrahman Alabbasi , Cicek Cavdar

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

Cloud radio access network (CRAN), in which remote radio heads (RRHs) are deployed to serve users in a target area, and connected to a central processor (CP) via limited-capacity links termed the fronthaul, is a promising candidate for the…

信息论 · 计算机科学 2016-12-14 Reuben George Stephen , Rui Zhang

In this paper, the distributed edge caching problem in fog radio access networks (F-RANs) is investigated. By considering the unknown spatio-temporal content popularity and user preference, a user request model based on hidden Markov…

机器学习 · 计算机科学 2019-02-28 Liuyang Lu , Yanxiang Jiang , Mehdi Bennis , Zhiguo Ding , Fu-Chun Zheng , Xiaohu You

Spectrum pooling allows multiple operators, or tenants, to share the same frequency bands. This work studies the optimization of spectrum pooling for the downlink of a multi-tenant Cloud Radio Access Network (C-RAN) system in the presence…

信息论 · 计算机科学 2017-10-18 Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

In a multistatic cloud radar system, receive sensors measure signals sent by a transmit element and reflected from a target and possibly clutter, in the presence of interference and noise. The receive sensors communicate over non-ideal…

信息论 · 计算机科学 2016-01-13 Seongah Jeong , Shahrouz Khalili , Osvaldo Simeone , Alexander Haimovich , Joonhyuk Kang

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