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相关论文: On the Optimization of Multi-Cloud Virtualized Rad…

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A multistatic radar set-up is considered in which distributed receive antennas are connected to a Fusion Center (FC) via limited-capacity backhaul links. Similar to cloud radio access networks in communications, the receive antennas…

统计理论 · 数学 2015-06-23 Shahrouz Khalili , Osvaldo Simeone , Alexander M. Haimovich

To meet the growing local and distributed computing needs, the cloud is now descending to the network edge and sometimes to user equipments. This approach aims at distributing computing, data processing, and networking services closer to…

网络与互联网体系结构 · 计算机科学 2016-06-06 Mathieu Bouet , Vania Conan , Hicham Khalife , Kevin Phemius , Jawad Seddar

Current Distributed Radio Access Networks~(D-RANs), which are characterized by a static configuration and deployment of Base Stations~(BSs), have exposed their limitations in handling the temporal and geographical fluctuations of capacity…

网络与互联网体系结构 · 计算机科学 2017-10-03 Abolfazl Hajisami , Tuyen X. Tran , Dario Pompili

Radio access network (RAN) virtualization is gaining more and more ground and expected to re-architect the next-generation cellular networks. Existing RAN virtualization studies and solutions have mostly focused on sharing communication…

网络与互联网体系结构 · 计算机科学 2020-12-24 Matthias Sander-Frigau , Tianyi Zhang , Hongwei Zhang , Ahmed E. Kamal , Arun K. Somani

Facing the explosion of mobile data traffic, cloud radio access network (C-RAN) is proposed recently to overcome the efficiency and flexibility problems with the traditional RAN architecture by centralizing baseband processing. However,…

信息论 · 计算机科学 2015-09-28 Jingchu Liu , Sheng Zhou , Jie Gong , Zhisheng Niu , Shugong Xu

Network softwarization has revolutionized the architecture of cellular wireless networks. State-of-the-art container based virtual radio access networks (vRAN) provide enormous flexibility and reduced life cycle management costs, but they…

网络与互联网体系结构 · 计算机科学 2021-04-19 Paris Carbone , Gyoergy Dan , James Gross , Bo Goeransson , Marina Petrova

While network slicing has become a prevalent approach to service differentiation, radio access network (RAN) slicing remains challenging due to the need of substantial adaptivity and flexibility to cope with the highly dynamic network…

网络与互联网体系结构 · 计算机科学 2023-08-23 Conghao Zhou , Jie Gao , Mushu Li , Xuemin Shen , Weihua Zhuang , Xu Li , Weisen Shi

As a critical component of beyond fifth-generation (B5G) and sixth-generation (6G) mobile communication systems, ultra-reliable low-latency communication (uRLLC) imposes stringent requirements on latency and reliability. In recent years,…

信息论 · 计算机科学 2024-12-13 Ziyang Zhang , Dongming Wang , Yunxiang Guo , Yang Cao , Xiaohu You

Centralized/Cloud Radio Access Network (C-RAN) comes into prominence to reduce the rising energy consumptions and maintenance difficulties of the next-generation networks. However, C-RAN has strict delay requirements, and it needs large…

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

This paper proposes and investigates a green virtualization framework for infrastructure sharing among multiple cellular operators whose networks are powered by a combination of conventional and renewable sources of energy. Under the…

网络与互联网体系结构 · 计算机科学 2019-12-03 Muhammad Junaid Farooq , Hakim Ghazzai , Elias Yaacoub , Abdullah Kadri , Mohamed-Slim Alouini

In this paper, we investigate the joint optimal sensing and distributed Medium Access Control (MAC) protocol design problem for cognitive radio (CR) networks. We consider both scenarios with single and multiple channels. For each scenario,…

信息论 · 计算机科学 2014-04-08 Le Thanh Tan , Long Bao Le

To alleviate the burdens on the fronthaul and reduce the transmit latency, the device-to-device (D2D) communication is presented in cloud radio access networks (C-RANs). Considering dynamic traffic arrivals and time-varying channel…

信息论 · 计算机科学 2017-09-15 Yitao Mo , Mugen Peng , Hongyu Xiang , Yaohua Sun , Xiaodong Ji

We develop two distributed downlink resource allocation algorithms for user-centric, cell-free, spatially-distributed, multiple-input multiple-output (MIMO) networks. In such networks, each user is served by a subset of nearby transmitters…

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

The cloud radio access network (Cloud-RAN) has recently been proposed as one cost-effective and energy-efficient technique for 5G wireless networks. By moving the signal processing functionality to a single baseband unit (BBU) pool,…

信息论 · 计算机科学 2015-12-16 Yuanming Shi , Jinkun Cheng , Jun Zhang , Bo Bai , Wei Chen , Khaled B. Letaief

Over-the-air computation (AirComp) has recently been recognized as a promising scheme for a fusion center to achieve fast distributed data aggregation in wireless networks via exploiting the superposition property of multiple-access…

信号处理 · 电气工程与系统科学 2021-06-23 Lukuan Xing , Yong Zhou , Yuanming Shi

As progressive densification of cells, deployment of Cloud-RAN and \ac{MEC} are coming into reality to support the ultra-low latency with high reliability in 5G and beyond, it generates mesh traffic pattern across fronthaul network. This…

网络与互联网体系结构 · 计算机科学 2021-06-02 Sandip Das , Marco Ruffini

The Cloud-Radio Access Network (C-RAN) cellular architecture relies on the transfer of complex baseband signals to and from a central unit (CU) over digital fronthaul links to enable the virtualization of the baseband processing…

信息论 · 计算机科学 2016-08-24 Wonju Lee , Osvaldo Simeone , Joonhyuk Kang , Shlomo Shamai

In this paper, we design a new smart softwaredefined radio access network (RAN) architecture with important properties like flexibility and traffic awareness for sixth generation (6G) wireless networks. In particular, we consider a…

信号处理 · 电气工程与系统科学 2022-02-21 Ali Nouruzi , Atefeh Rezaei , Ata Khalili , Nader Mokari , Mohammad Reza Javan , Eduard A. Jorswieck , Halim Yanikomeroglu

In this paper we investigate the practical design for the multiple-antenna cognitive radio (CR) networks sharing the geographically used or unused spectrum. We consider a single cell network formed by the primary users (PU), which are…

信息论 · 计算机科学 2013-12-10 Pin-Hsun Lin , Gabriel P. Villardi , Zhou Lan , Hiroshi Harada