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

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Cloud radio access network (C-RAN) is a promising technology for fifth-generation (5G) cellular systems. However the burden imposed by the huge amount of data to be collected (in the uplink) from the radio remote heads (RRHs) and processed…

信息论 · 计算机科学 2017-06-28 Alessandro Brighente , Stefano Tomasin

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

In this paper, we consider the network power minimization problem in a downlink cloud radio access network (C-RAN), taking into account the power consumed at the baseband unit (BBU) for computation and the power consumed at the remote radio…

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

This paper considers a cloud radio access network (C-RAN) where spatially distributed remote radio heads (RRHs) communicate with a full-duplex user. In order to reflect a realistic scenario, the uplink (UL) and downlink (DL) RRHs are…

信息论 · 计算机科学 2016-03-01 Mohammadali Mohammadi , Himal A. Suraweera , Chintha Tellambura

The gains afforded by cloud radio access network (C-RAN) in terms of savings in capital and operating expenses, flexibility, interference management and network densification rely on the presence of high-capacity low-latency fronthaul…

信息论 · 计算机科学 2016-08-29 Osvaldo Simeone , Jinkyu Kang , Joonhyuk Kang , Shlomo Shamai

This paper studies the resource allocation algorithm design for multiuser coordinated multipoint (CoMP) networks with simultaneous wireless information and power transfer (SWIPT). In particular, remote radio heads (RRHs) are connected to a…

信息论 · 计算机科学 2014-07-03 Derrick Wing Kwan Ng , Robert Schober

We propose a power-and rate-adaptation scheme for cloud radio access networks (C-RANs), where each radio remote head (RRH) is connected to the baseband unit (BBU) pool through optical links. The RRHs jointly support the users by efficiently…

信息论 · 计算机科学 2018-06-15 Hong Ren , Nan Liu , Cunhua Pan , Maged Elkashlan , Arumugam Nallanathan , Xiaohu You , Lajos Hanzo

The cloud radio access network (C-RAN) provides high spectral and energy efficiency performances, low expenditures and intelligent centralized system structures to operators, which has attracted intense interests in both academia and…

信息论 · 计算机科学 2014-10-30 Jian Li , Mugen Peng , Aolin Cheng , Yuling Yu , Chonggang Wang

This paper considers the uplink of a cloud radio access network (C-RAN) comprised of several multi-antenna remote radio units (RUs) which send the data that they received from multiple mobile users (MUs) to a central unit (CU) via a…

信息论 · 计算机科学 2017-04-20 Marzieh Najafi , Vahid Jamali , Derrick Wing Kwan Ng , Robert Schober

In cloud radio access networks (C-RANs), the baseband processing of the radio units (RUs) is migrated to remote control units (CUs). This is made possible by a network of backhaul links that connects RUs and CUs and that carries compressed…

信息论 · 计算机科学 2013-12-30 Seok-Hwan Park , Osvaldo Simeone , Onur Sahin , Shlomo Shamai

This paper addresses the coordinated scheduling problem in cloud-enabled networks. Consider the downlink of a cloud-radio access network (C-RAN), where the cloud is only responsible for the scheduling policy and the synchronization of the…

信息论 · 计算机科学 2014-11-18 Ahmed Douik , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

A key problem in the design of cloud radio access networks (CRANs) is that of devising effective baseband compression strategies for transmission on the fronthaul links connecting a remote radio head (RRH) to the managing central unit (CU).…

网络与互联网体系结构 · 计算机科学 2015-10-07 Eunhye Heo , Osvaldo Simeone , Hyuncheol Park

Wireless positioning systems that are implemented by means of a Cloud Radio Access Networks (C-RANs) may provide cost-effective solutions, particularly for indoor localization. In a C-RAN, the baseband processing, including localization, is…

信息论 · 计算机科学 2016-11-18 Seongah Jeong , Osvaldo Simeone , Alexander Haimovich , Joonhyuk Kang

This paper jointly optimizes the precoding matrices and the set of active remote radio heads (RRHs) to minimize the network power consumption (NPC) for a user-centric cloud radio access network (C-RAN), where both the RRHs and users have…

信息论 · 计算机科学 2017-02-14 Cunhua Pan , Huiling Zhu , Nathan J. Gomes , Jiangzhou Wang

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

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

Cloud radio access networks (C-RAN) are a promising technology to enable the ambitious vision of the fifth generation (5G) communication networks. In spite of the potential benefits of C-RAN, the operational costs are still a challenging…

信息论 · 计算机科学 2016-07-22 Alaa Alameer , Aydin Sezgin

In this paper, by considering multiple slices, a downlink transmission of a sparse code multiple access (SCMA) based cloud-radio access network (C-RAN) is investigated. In this regard, by supposing multiple input and single output (MISO)…

网络与互联网体系结构 · 计算机科学 2019-02-26 Mohammad. Moltafet , Saeedeh. Parsaeefard , Mohammad R. Javan , Nader. Mokari

Cloud radio access network (C-RAN) has become a promising network architecture to support the massive data traffic in the next generation cellular networks. In a C-RAN, a massive number of low-cost remote antenna ports (RAPs) are connected…

信息论 · 计算机科学 2018-02-27 Zhiyang Liu , Hong Wu , Yingxin Zhao , Shuxue Ding

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