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相关论文: Large-Scale Cloud Radio Access Networks with Pract…

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Power saving is a main pillar in the operation of wireless communication systems. In this paper, we investigate cloud radio access network (C-RAN) capability to reduce power consumption based on the user equipment (UE) requirement. Aiming…

信息论 · 计算机科学 2024-05-24 Yuchao Chang , Hongli Wang , Wen Chen , Yonghui Li , Naofal Al-Dhahir

We propose an improved convergence analysis technique that characterizes the distributed learning paradigm of federated learning (FL) with imperfect/noisy uplink and downlink communications. Such imperfect communication scenarios arise in…

机器学习 · 计算机科学 2023-07-17 Antesh Upadhyay , Abolfazl Hashemi

The anticipated densification of contemporary communications infrastructure expects the use of drone small cells (DSCs). Thus, we experimentally evaluate the capability of providing local and personalized coverage with a drone mounted Wi-Fi…

网络与互联网体系结构 · 计算机科学 2021-07-01 Igor Donevski , Christian Raffelsberger , Micha Sende , Aymen Fakhreddine , Jimmy Jessen Nielsen

Feasibility of the promising large intelligent surface (LIS) concept, as well as its scalability, relies on the use of low-cost hardware components, raising concerns about the effects of hardware distortion. We analyze LIS systems with…

信号处理 · 电气工程与系统科学 2025-11-04 Ashkan Sheikhi , Juan Vidal Alegría , Ove Edfors

This paper presents the first ever fully open-source implementation of Load Balancing (LB) in an experimental Fifth Generation (5G) New Radio (NR) Standalone (SA) network using Open Radio Access Network (O-RAN) architecture. The deployment…

网络与互联网体系结构 · 计算机科学 2025-09-03 Fahim Bashar , Asheesh Tripathi , Mayukh Roy Chowdhury , Aloizio Da Silva , Alexandre Huff

Centralized coded caching and delivery is studied for a partially-connected fog radio access network (F-RAN), whereby a set of H edge nodes (ENs) (without caches), connected to a cloud server via orthogonal fronthaul links, serve K users…

信息论 · 计算机科学 2018-02-27 Ahmed Roushdy , Abolfazl Seyed Motahari , Mohammed Nafie , Deniz Gunduz

This paper investigates the fronthaul compression problem in a user-centric cloud radio access network, in which single-antenna users are served by a central processor (CP) cooperatively via a cluster of remote radio heads (RRHs). To…

信息论 · 计算机科学 2024-03-15 Ruihua Qiao , Tao Jiang , Wei Yu

With the rapid deployment of 5G systems, remote interference (RI) caused by atmospheric ducting has emerged as an occasional, but critical challenge. This phenomenon occurs when the downlink (DL) signals from distant base stations (BSs)…

信息论 · 计算机科学 2025-10-14 Xuyang Sun , Hussein A. Ammar , Israfil Bahceci , Raviraj Adve , Gary Boudreau , Zehua Li

Network energy efficiency is a main pillar in the design and operation of wireless communication systems. In this paper, we investigate a dense radio access network (dense-RAN) capable of radiated power management at the base station (BS).…

信号处理 · 电气工程与系统科学 2023-04-18 Yuchao Chang , Wen Chen , Jun Li , Jianpo Liu , Haoran Wei , Zhendong Wang , Naofal Al-Dhahir

This work studies the uplink of a multi-tenant cloud radio access network (C-RAN) system with spectrum pooling. In the system, each operator has a cloud processor (CP) connected to a set of proprietary radio units (RUs) through…

信号处理 · 电气工程与系统科学 2020-01-29 Junbeom Kim , Daesung Yu , Seok-Hwan Park , Osvaldo Simeone , Shlomo Shamai

The growth of wireless devices affects the availability of limited frequencies or spectrum bands as it has been known that spectrum bands are a natural resource that cannot be added. Meanwhile, the licensed frequencies are idle most of the…

网络与互联网体系结构 · 计算机科学 2019-03-01 Kurniawan D. Irianto , Demetres D. Kouvatsos

The implementation of a Cloud Radio Access Network (C-RAN) with Full Dimensional (FD)-MIMO is faced with the challenge of controlling the fronthaul overhead for the transmission of baseband signals as the number of horizontal and vertical…

信息论 · 计算机科学 2016-11-15 Jinkyu Kang , Osvaldo Simeone , Joonhyuk Kang , Shlomo Shamai

The emerging Cloud-RAN architecture within the fifth generation (5G) of wireless networks plays a vital role in enabling higher flexibility and granularity. On the other hand, Cloud-RAN architecture introduces an additional link between the…

网络与互联网体系结构 · 计算机科学 2019-05-01 Ghizlane Mountaser , Maliheh Mahlouji , Toktam Mahmoodi

A massive MIMO system entails a large number (tens or hundreds) of base station antennas serving a much smaller number of terminals. These systems demonstrate large gains in spectral and energy efficiency compared with conventional MIMO…

信息论 · 计算机科学 2017-01-19 Ansuman Adhikary , Alexei Ashikhmin , Thomas L. Marzetta

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

Future sixth-generation (6G) networks are expected to support low-altitude wireless networks (LAWNs), where unmanned aerial vehicles (UAVs) and aerial robots operate in highly dynamic three-dimensional environments under stringent latency,…

系统与控制 · 电气工程与系统科学 2026-01-26 Lingxiao Sun , Zhaoyang Zhang , Zihan Lin , Zirui Chen , Weijie Zhou , Zhaohui Yang , Tony Q. S. Quek

This paper considers an uplink cellular system, in which each base station (BS) is equipped with a large number of antennas to serve multiple single-antenna user equipments (UEs) simultaneously. Uplink training with pilot reusing is adopted…

信息论 · 计算机科学 2016-11-18 Ning Liang , Wenyi zhang , Cong Shen

We present asymptotic expressions for user throughput in a multi-user wireline system with a linear decoder, in increasingly large system sizes. This analysis can be seen as a generalization of results obtained for wireless communication.…

信号处理 · 电气工程与系统科学 2018-03-19 Itsik Bergel , S. M. Zafaruddin , Amir Leshem

A fog computing based radio access network (F-RAN) is presented in this article as a promising paradigm for the fifth generation (5G) wireless communication system to provide high spectral and energy efficiency. The core idea is to take…

信息论 · 计算机科学 2016-11-17 Mugen Peng , Shi Yan , Kecheng Zhang , Chonggang Wang

User demand on network communication infrastructure has never been greater with applications such as extended reality, holographic telepresence, and wireless brain-computer interfaces challenging current networking capabilities. Open RAN…

网络与互联网体系结构 · 计算机科学 2024-04-29 Noe Yungaicela-Naula , Vishal Sharma , Sandra Scott-Hayward