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This paper investigates the compress-and-forward scheme for an uplink cloud radio access network (C-RAN) model, where multi-antenna base-stations (BSs) are connected to a cloud-computing based central processor (CP) via capacity-limited…

信息论 · 计算机科学 2016-11-18 Yuhan Zhou , Yinfei Xu , Wei Yu , Jun Chen

Perceptive mobile networks implement sensing and communication by reusing existing cellular infrastructure. Cell-free multiple-input multiple-output, thanks to the cooperation among distributed access points, supports the deployment of…

信息论 · 计算机科学 2024-03-29 Seongah Jeong , Jinkyu Kang , 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

The uplink of a Cloud Radio Access Network (CRAN) architecture is studied, where decoding at the cloud takes place at distributed decoding processors. To mitigate the impact of straggling decoders in the cloud, the cloud re-encodes the…

信息论 · 计算机科学 2018-07-13 Jinwen Shi , Cong Ling , Osvaldo Simeone , Jörg Kliewer

Massive MIMO and C-RAN are two promising techniques for implementing future wireless communication systems, where a large number of antennas are deployed either being co-located at the base station (BS) or totally distributed at separate…

信息论 · 计算机科学 2015-10-28 Liang Liu , Rui Zhang

Next-generation mobile networks require evolved radio access network (RAN) architectures to meet the demands of high capacity, massive connectivity, reduced costs, and energy efficiency, and to realize communication with ultra-low latency…

信号处理 · 电气工程与系统科学 2024-11-20 Mahmoud A. Hasabelnaby , Mohanad Obeed , Mohammed Saif , Anas Chaaban , M. J. Hossain

This paper studies joint uplink (UL) and downlink (DL) resource allocation in user-centric orthogonal frequency division multiple access (OFDMA) cloud radio access network (CRAN), where the users select the distributed remote radio heads…

信息论 · 计算机科学 2019-06-21 Zehong Lin , Yuan Liu

The Remote-PHY (R-PHY) modular cable network for Data over Cable Service Interface Specification (DOCSIS) service conducts the physical layer processing for the transmissions over the broadcast cable in a remote node. In contrast, the cloud…

网络与互联网体系结构 · 计算机科学 2017-12-22 Akhilesh Thyagaturu , Ziyad Alharbi , Martin Reisslein

In a centralized RAN, the signals from multiple RAPs are processed centrally in a data center. Centralized RAN enables advanced interference coordination strategies while leveraging the elastic provisioning of data processing resources. It…

信息论 · 计算机科学 2015-08-11 Peter Rost , Salvatore Talarico , Matthew C. Valenti

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…

网络与互联网体系结构 · 计算机科学 2021-01-13 Turgay Pamuklu , Cicek Cavdar , Cem Ersoy

Network slicing enables multiple virtual networks to be instantiated and customized to meet heterogeneous use case requirements over 5G and beyond network deployments. However, most of the solutions available today face scalability issues…

网络与互联网体系结构 · 计算机科学 2022-11-08 Farhad Rezazadeh , Lanfranco Zanzi , Francesco Devoti , Hatim Chergui , Xavier Costa-Perez , Christos Verikoukis

The Internet of Medical Things (IoMT) facilitates in-home electronic healthcare, transforming traditional hospital-based medical examination approaches. This paper proposes a novel transmit scheme for fog computing-enabled IoMT that…

系统与控制 · 电气工程与系统科学 2024-05-13 Jiasi Zhou , Yan Chen , Cong Zhou , Yanjing Sun

Cloud radio access network (C-RAN) with centralized baseband processing is envisioned as a promising candidate for the next-generation wireless communication network. However, the joint processing gain of C-RAN is fundamentally constrained…

信息论 · 计算机科学 2015-09-23 Liu Liang , Zhang Rui

The implementation of a Cloud Radio Access Network (C-RAN) with Full Dimensional (FD)-MIMO is faced with the challenge of controlling the fronthaul overhead for the transmission of baseband signals as the number of horizontal and vertical…

信息论 · 计算机科学 2016-11-15 Jinkyu Kang , Osvaldo Simeone , Joonhyuk Kang , Shlomo Shamai

This paper studies the downlink of a cloud radio access network (C-RAN) in which a centralized processor (CP) communicates with mobile users through base stations (BSs) that are connected to the CP via finite-capacity fronthaul links.…

信息论 · 计算机科学 2019-07-23 Pratik Patil , Wei Yu

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

Spectrum management has been identified as a crucial step towards enabling the technology of a cognitive radio network (CRN). Most of the current works dealing with spectrum management in the CRN focus on a single task of the problem, e.g.,…

信息论 · 计算机科学 2011-02-11 Mingyi Hong , Alfredo Garcia , Stephen Wilson

Device-to-Device (D2D) communication can support the operation of cellular systems by reducing the traffic in the network infrastructure. In this paper, the benefits of D2D communication are investigated in the context of a Fog-Radio Access…

信息论 · 计算机科学 2018-04-05 Roy Karasik , Osvaldo Simeone , Shlomo Shamai

The conventional design of cellular systems prescribes the separation of uplink and downlink transmissions via time-division or frequency-division duplex. Recent advances in analog and digital domain self-interference interference…

信息论 · 计算机科学 2016-11-15 O. Simeone , E. Erkip , S. Shamai

Today's mobile data traffic is dominated by content-oriented traffic. Caching popular contents at the network edge can alleviate network congestion and reduce content delivery latency. This paper provides a comprehensive and unified study…

信息论 · 计算机科学 2019-04-17 Meixia Tao , Deniz Gündüz , Fan Xu , Joan S. Pujol Roig