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相关论文: Multi-Tenant C-RAN With Spectrum Pooling: Downlink…

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The emergence of Centralized-RAN (C-RAN) has revolutionized mobile network infrastructure, offering streamlined cell-site engineering and enhanced network management capabilities. As C-RAN gains momentum, the focus shifts to optimizing…

网络与互联网体系结构 · 计算机科学 2024-06-25 Marcello Morini , Eugenio Moro , Ilario Filippini , Danilo De Donno , Antonio Capone

This work studies multigroup multicasting transmission in cloud radio access networks (C-RANs) with simultaneous wireless information and power transfer, where densely packed remote radio heads (RRHs) cooperatively provide information and…

信息论 · 计算机科学 2021-06-10 Fangqing Tan , Peiran Wu , Yik-Chung Wu , Minghua Xia

In cloud radio access networks (C-RANs), a substantial amount of data must be exchanged in both backhaul and fronthaul links, which causes high power consumption and poor quality of service (QoS) experience for real-time services. To solve…

信息论 · 计算机科学 2016-11-18 Zhongyuan Zhao , Mugen Peng , Zhiguo Ding , Wenbo Wang , H. Vincent Poor

This letter studies a cloud radio access network (C-RAN) with multiple intelligent reflecting surfaces (IRS) deployed between users and remote radio heads (RRH). Specifically, we consider the uplink transmission where each RRH quantizes the…

信号处理 · 电气工程与系统科学 2021-04-12 Yu Zhang , Xuelu Wu , Hong Peng , Caijun Zhong , Xiaoming Chen

In this research, we proposes a new method for cooperation and underlay mode selection in cognitive radio networks. We characterize the maximum achievable throughput of our proposed method of hybrid spectrum sharing. Hybrid spectrum sharing…

网络与互联网体系结构 · 计算机科学 2016-04-14 Ramy Amer , Amr A. El-Sherif , Hanaa Ebrahim , Amr Mokhtar

In future networks, an operator may employ a wide range of access points using diverse radio access technologies (RATs) over multiple licensed and unlicensed frequency bands. This paper studies centralized user association and spectrum…

网络与互联网体系结构 · 计算机科学 2016-09-01 Zhiyi Zhou , Dongning Guo , Michael L. Honig

We present an optimization framework for solving multi-agent nonlinear programs subject to inequality constraints while keeping the agents' state trajectories private. Each agent has an objective function depending only upon its own state…

最优化与控制 · 数学 2016-08-03 Matthew Hale , Magnus Egerstedt

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

Cooperative spectrum sensing, despite its effectiveness in enabling dynamic spectrum access, suffers from location privacy threats, merely because secondary users (SUs)' sensing reports that need to be shared with a fusion center to make…

网络与互联网体系结构 · 计算机科学 2018-07-18 Mohamed Grissa , Attila Yavuz , Bechir Hamdaoui

A significant portion of the radio frequency spectrum remains underutilized due to exclusive and static allocation of spectrum. Provisioning secondary access to the underutilized spectrum could be beneficial to the incumbents if they could…

计算机与社会 · 计算机科学 2014-07-29 Nilesh Khambekar , Chad M. Spooner , Vipin Chaudhary

Distributed Multiple-Input and Multiple-Output (D-MIMO) is envisioned to play a significant role in future wireless communication systems as an effective means to improve coverage and capacity. In this paper, we have studied the impact of a…

信号处理 · 电气工程与系统科学 2024-05-31 Jale Sadreddini , Omer Haliloglu , Andres Reial

Simultaneous reuse of spectral resources by uplink and downlink, denoted as in-band full duplex (FD) communication, is promoted to double the spectral efficiency when compared to its half-duplex (HD) counterpart. Interference management,…

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

In this paper, we study a network of distributed radar sensors that collaboratively perform sensing tasks by transmitting their quantized radar signals over capacity-constrained fronthaul links to a central unit for joint processing. We…

信号处理 · 电气工程与系统科学 2024-09-27 Christian Eckrich , Abdelhak M. Zoubir , Vahid Jamali

With the dense deployment of the remote radio heads (RRHs), the huge network power consumption has become a great challenge for green cloud radio access networks (Cloud-RANs), and multiuser downlink beamforming has been proposed as a…

信息论 · 计算机科学 2017-06-16 Zhi Yu , Ke Wang , Lei Chen , Hong Ji

This paper tackles the problem of the simultaneous interference among the multiple users in the downlink of a wireless multiantenna system. In order to exploit the multiuser interference and transform it into useful power at the receiver…

信号处理 · 电气工程与系统科学 2020-11-10 Maha Alodeh , Björn Ottersten

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

The heterogeneous cloud radio access network (HCRAN) is a promising paradigm which integrates the advantages of cloud radio access network (C-RAN) and heterogeneous network (HetNet). In this paper, we study the joint congestion control and…

信息论 · 计算机科学 2016-02-18 Jian Li , Mugen Peng , Yuling Yu , Zhiguo Ding

Cooperative spectrum sensing, despite its effectiveness in enabling dynamic spectrum access, suffers from location privacy threats, merely because secondary users (SUs)' sensing reports that need to be shared with a fusion center to make…

网络与互联网体系结构 · 计算机科学 2018-06-05 Mohamed Grissa , Attila A. Yavuz , Bechir Hamdaoui

In the context of resource allocation in cloud-radio access networks, recent studies assume either signal-level or scheduling-level coordination. This paper, instead, considers a hybrid level of coordination for the scheduling problem in…

信息论 · 计算机科学 2015-04-08 Ahmed Douik , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini