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相关论文: Energy Efficiency Maximization for C-RANs: Discret…

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In this paper, we study a RAN resource-slicing problem for energy-efficient communication in an orthogonal frequency division multiple access (OFDMA) based millimeter-wave (mmWave) downlink (DL) network consisting of enhanced mobile…

信息论 · 计算机科学 2023-06-14 PraveenKumar Korrai , Eva Lagunas , Shree Krishna Sharma , Symeon Chatzinotas

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, which is a candidate…

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

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

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

The heterogeneous cloud radio access network (Cloud-RAN) provides a revolutionary way to densify radio access networks. It enables centralized coordination and signal processing for efficient interference management and flexible network…

信息论 · 计算机科学 2015-06-16 Yuanming Shi , Jun Zhang , Khaled B. Letaief , Bo Bai , Wei Chen

One of the most promising techniques for network-wide interference management necessitates a redesign of the network architecture known as cloud radio access network (CRAN). The cloud is responsible for coordinating multiple Remote Radio…

信息论 · 计算机科学 2018-06-22 Mohammed S. Al-Abiad , Ahmed Douik , Sameh Sorour , Md Jahangir Hossain

Cloud RAN (C-RAN) is a promising enabler for distributed massive MIMO systems, yet is vulnerable to its fronthaul congestion. To cope with the limited fronthaul capacity, this paper proposes a hybrid analog-digital precoding design that…

信息论 · 计算机科学 2017-09-26 Jihong Park , Dong Min Kim , Elisabeth De Carvalho , Carles Navarro Manchón

The evolution of wireless mobile networks towards cloudification, where Radio Access Network (RAN) functions can be hosted at either a central or distributed locations, offers many benefits like low cost deployment, higher capacity, and…

网络与互联网体系结构 · 计算机科学 2023-11-08 Axel Grönland , Bleron Klaiqi , Xavier Gelabert

Resource reservation is an essential step to enable wireless data networks to support a wide range of user demands. In this paper, we consider the problem of joint resource reservation in the backhaul and Radio Access Network (RAN) based on…

信号处理 · 电气工程与系统科学 2021-02-24 Navid Reyhanian , Hamid Farmanbar , Zhi-Quan Luo

Integrated access and backhaul (IAB) network is envisioned as a novel network architecture for increasing the network capacity and coverage. To facilitate the IAB network, the appropriate methods of wireless link association and resource…

信息论 · 计算机科学 2021-08-11 Byungju Lim , Ju-Hyung Lee , Jae-Hong Kwon , Young-Chai Ko

Due to the unique physical-layer characteristics associated with MIMO and cognitive radio (CR), the network performance is tightly coupled with mechanisms at the physical, link, network, and transport layers. In this paper, we consider an…

网络与互联网体系结构 · 计算机科学 2016-11-17 Weiqiang Xu , Wenchu Yuan , Qingjiang Shi , Xiaodong Wang , Yake Zhang

The radio access network (RAN) part of the next-generation wireless networks will require efficient solutions for satisfying low latency and high-throughput services. The open RAN (O-RAN) is one of the candidates to achieve this goal, in…

网络与互联网体系结构 · 计算机科学 2022-02-01 Turgay Pamuklu , Shahram Mollahasani , Melike Erol-Kantarci

This paper proposes energy-efficient coordinated beamforming strategies for multi-cell multi-user multiple-input single-output system. We consider a practical power consumption model, where part of the consumed power depends on the base…

信息论 · 计算机科学 2017-10-03 Oskari Tervo , Antti Tölli , Markku Juntti , Le-Nam Tran

Control data separation architecture (CDSA) is a more efficient architecture to overcome the overhead issue than the conventional cellular networks, especially for the huge bursty traffic like Internet of Things, and over-the-top (OTT)…

信息论 · 计算机科学 2015-11-24 Qiang Liu , Gang Wu , Yingchu Guo , Yusong Zhang

In the Centralized-Radio Access Network (C-RAN) architecture, functions can be placed in the central or distributed locations. This architecture can offer higher capacity and cost savings but also puts strict requirements on the fronthaul…

系统与控制 · 电气工程与系统科学 2023-10-02 Axel Grönland , Alessio Russo , Yassir Jedra , Bleron Klaiqi , Xavier Gelabert

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

In this paper, a joint beamforming design for max-min fair simultaneous wireless information and power transfer (SWIPT) is investigated in a green cloud radio access network (Cloud-RAN) with millimeter wave (mmWave) wireless fronthaul. To…

信息论 · 计算机科学 2018-05-08 Zhao Chen , Haisheng Xu , Lin X. Cai , Yu Cheng

Network virtualization and cloudification in Open Radio Access Networks (O-RAN) enable joint orchestration of the processing and fronthaul resources, which are essential for realizing the energy-saving potential of cell-free massive MIMO…

信号处理 · 电气工程与系统科学 2026-04-07 Ozan Alp Topal , Özlem Tuğfe Demir , Emil Björnson , Cicek Cavdar

Non-Orthogonal Multiple Access (NOMA) and Fog Radio Access Networks (FRAN) are promising candidates within the 5G and beyond systems. This work examines the benefit of adopting NOMA in an FRAN architecture with constrained capacity…

网络与互联网体系结构 · 计算机科学 2019-02-28 Itsikiantsoa Randrianantenaina , Megumi Kaneko , Hayssam Dahrouj , Hesham ElSawy , Mohamed-Slim Alouini

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