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相关论文: User-centric Performance Optimization with Remote …

200 篇论文

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…

网络与互联网体系结构 · 计算机科学 2016-11-17 Kezhi Wang , Kun Yang , Chathura Sarathchandra Magurawalage

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

This paper considers a joint transmission scheme (JT) developed for cloud radio access networks (C-RANs). This proposed scheme features cooperative sets of remote radio heads (RRH) defined in a disk around each user location. The nodes…

信息论 · 计算机科学 2021-04-15 Charles Wiame , Luc Vandendorpe , Claude Oestges

Characterizing user to Remote Radio Head (RRH) association strategies in cloud radio access networks (C-RANs) is critical for performance optimization. In this letter, the single nearest and N--nearest RRH association strategies are…

信息论 · 计算机科学 2016-11-17 Mugen Peng , Shi Yan , H. Vincent Poor

We consider wireless networks of remote radio heads (RRH) with large antenna-arrays, operated in TDD, with uplink (UL) training and channel-reciprocity based downlink (DL) transmission. To achieve large area spectral efficiencies, we…

信息论 · 计算机科学 2017-01-26 Ozgun Y. Bursalioglu , Chenwei Wang , Haralabos Papadopoulos , Giuseppe Caire

The ultra-dense cloud radio access network (UD-CRAN), in which remote radio heads (RRHs) are densely deployed in the network, is considered. To reduce the channel estimation overhead, we focus on the design of robust transmit beamforming…

信号处理 · 电气工程与系统科学 2018-04-12 Cunhua Pan , Hong Ren , Maged Elkashlan , Arumugam Nallanathan , Lajos Hanzo

This paper considers the channel estimation (CE) and multi-user detection (MUD) problems in cloud radio access network (C-RAN). Assuming that active users are sparse in the network, we solve CE and MUD problems with compressed sensing (CS)…

信息论 · 计算机科学 2017-02-22 Qi He , Tony Q. S. Quek , Zhi Chen , Shaoqian Li

We consider resource allocation (RA) in multi-carrier coordinated multi-point (CoMP) systems with limited feedback, in which a cluster of base stations (BSs), each equipped with multiple antennas, are connect to each other and/or a central…

信息论 · 计算机科学 2019-08-21 Mohammad G. Khoshkholgh , Victor C. M. Leung , Kang G. Shin , Keivan Navaie

The cloud radio access network (C-RAN) has become the foundational structure for various emerging communication paradigms, leveraging the flexible deployment of distributed access points (APs) and centralized task processing. In this paper,…

信息论 · 计算机科学 2023-11-17 Chang Wu , Hancheng Lu , Yuang Chen , Langtian Qin

A cloud radio access network (C-RAN) is a promising cellular network, wherein densely deployed multi-antenna remote-radio-heads (RRHs) jointly serve many users using the same time-frequency resource. By extremely high signaling overheads…

信号处理 · 电气工程与系统科学 2021-07-30 Deokhwan Han , Jeonghun Park , Seok-Hwan Park , Namyoon Lee

The performance of cloud radio access network (C-RAN) is constrained by the limited fronthaul link capacity under future heavy data traffic. To tackle this problem, extensive efforts have been devoted to design efficient signal…

信息论 · 计算机科学 2015-04-15 Liu Liang , Suzhi Bi , Rui Zhang

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

信息论 · 计算机科学 2016-11-17 Mingyi Hong , Alfredo Garcia , Jorge Alviar

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…

信息论 · 计算机科学 2023-05-26 Peng Jiang , Jiafei Fu , Pengcheng Zhu , Jiamin Li , Xiaohu You

We study the important and challenging problem of virtualized radio access network (vRAN) design in its most general form. We develop an optimization framework that decides the number and deployment locations of central/cloud units (CUs);…

网络与互联网体系结构 · 计算机科学 2020-07-31 Fahri Wisnu Murti , Andres Garcia-Saavedra , Xavier Costa-Perez , George Iosifidis

In this paper, we consider an edge cache-assisted millimeter wave cloud radio access network (C-RAN). Each remote radio head (RRH) in the C-RAN has a local cache, which can pre-fetch and store the files requested by the actuators. Multiple…

信息论 · 计算机科学 2020-02-12 Wanming Hao , Ming Zeng , Gangcan Sun , Pei Xiao

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…

信息论 · 计算机科学 2017-03-20 Kien-Giang Nguyen , Quang-Doanh Vu , Markku Juntti , Le-Nam Tran

Over the last few years, Cloud Radio Access Network (C-RAN) has arisen as a transformative architecture for 5G cellular networks that brings the flexibility and agility of cloud computing to wireless communications. At the same time,…

信息论 · 计算机科学 2017-04-11 Tuyen X. Tran , Abolfazl Hajisami , Dario Pompili

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

In this paper, a cloud radio access network (Cloud-RAN) based collaborative edge AI inference architecture is proposed. Specifically, geographically distributed devices capture real-time noise-corrupted sensory data samples and extract the…

信息论 · 计算机科学 2024-04-10 Pengfei Zhang , Dingzhu Wen , Guangxu Zhu , Qimei Chen , Kaifeng Han , Yuanming Shi

The massive scale of future wireless networks will create computational bottlenecks in performance optimization. In this paper, we study the problem of connecting mobile traffic to Cloud RAN (C-RAN) stations. To balance station load, we…

网络与互联网体系结构 · 计算机科学 2018-05-07 Georgios Paschos , Nikolaos Liakopoulos , Merouane Debbah , Tong Wen