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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…

Information Theory · Computer Science 2019-04-23 Alaa Alameer Ahmad , Hayssam Dahrouj , Anas Chaaban , Aydin Sezgin , Mohamed-Slim Alouini

Next-generation networks aim to provide performance guarantees to real-time interactive services that require timely and cost-efficient packet delivery. In this context, the goal is to reliably deliver packets with strict deadlines imposed…

Networking and Internet Architecture · Computer Science 2026-03-05 Ozan Aygün , Vincenzo Norman Vitale , Antonia M. Tulino , Hao Feng , Elza Erkip , Jaime Llorca

Stochastic network optimization problems entail finding resource allocation policies that are optimum on an average but must be designed in an online fashion. Such problems are ubiquitous in communication networks, where resources such as…

Optimization and Control · Mathematics 2018-05-09 Amrit S. Bedi , Ketan Rajawat

Inspired by several delay-bounded mission-critical applications, optimizing the end-to-end reliability of multi-hop networks is an important problem subject to end-to-end delay constraints on the packets. Towards that direction, Automatic…

Information Theory · Computer Science 2022-07-26 Jaya Goel , J. Harshan

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…

Information Theory · Computer Science 2021-06-10 Fangqing Tan , Peiran Wu , Yik-Chung Wu , Minghua Xia

The problem of uplink transmissions in massive connectivity is commonly dealt with using schemes for grant-free random access. When a large number of devices transmit almost synchronously, the receiver may not be able to resolve the…

Signal Processing · Electrical Eng. & Systems 2024-12-09 Ao Chen , Wei Chen , Bo Ai , Petar Popovski

Recently, implementing Radio Access Network (RAN) functionalities on cloud-based computing platform has become an emerging solution that leverages the many advantages of cloud infrastructure, such as shared computing resources and storage…

Networking and Internet Architecture · Computer Science 2016-10-25 Tuyen X. Tran , Dario Pompili

Wireless content caching has recently been considered as an efficient way in fog radio access networks (FRANs) to alleviate the heavy burden on capacity-limited fronthaul links and reduce delivery latency. In this paper, an advanced minimal…

Signal Processing · Electrical Eng. & Systems 2020-02-19 Bonan Yin , Mugen Peng , Shi Yan , Chunjing Hu

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…

Signal Processing · Electrical Eng. & Systems 2024-05-31 Jale Sadreddini , Omer Haliloglu , Andres Reial

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,…

Information Theory · Computer Science 2015-09-28 Jingchu Liu , Sheng Zhou , Jie Gong , Zhisheng Niu , Shugong Xu

Collaborative edge computing (CEC) is an emerging paradigm for heterogeneous devices to collaborate on edge computation jobs. For congestible links and computing units, delay-optimal forwarding and offloading for service chain tasks (e.g.,…

Distributed, Parallel, and Cluster Computing · Computer Science 2023-12-12 Jinkun Zhang , Edmund Yeh

This work describes the orchestration of a fleet of rotary-wing Unmanned Aerial Vehicles (UAVs) for harvesting prioritized traffic from random distributions of heterogeneous users with Multiple Input Multiple Output (MIMO) capabilities. In…

Systems and Control · Electrical Eng. & Systems 2024-04-02 Bharath Keshavamurthy , Nicolo Michelusi

In part I of this paper, a distributed and a centralized architecture for an optimal radio resource allocation aware of the traffic delay-tolerance nature, user subscription type, and application usage variations were developed. In the…

Networking and Internet Architecture · Computer Science 2014-11-17 Ahmed Abdelhadi , Mo Ghorbanzadeh , Charles Clancy

Today's mobile data traffic is dominated by content-oriented traffic. Caching popular contents at the network edge can alleviate network congestion and reduce content delivery latency. This paper provides a comprehensive and unified study…

Information Theory · Computer Science 2019-04-17 Meixia Tao , Deniz Gündüz , Fan Xu , Joan S. Pujol Roig

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…

Statistics Theory · Mathematics 2015-06-23 Shahrouz Khalili , Osvaldo Simeone , Alexander M. Haimovich

We consider scalable cell-free massive multiple-input multiple-output networks under an open radio access network paradigm comprising user equipments (UEs), radio units (RUs), and decentralized processing units (DUs). UEs are served by…

Information Theory · Computer Science 2024-07-08 Zhiyang Li , Fabian Göttsch , Siyao Li , Ming Chen , Giuseppe Caire

This paper studies the energy efficiency of the cloud radio access network (C-RAN), specifically focusing on two fundamental and different downlink transmission strategies, namely the data-sharing strategy and the compression strategy. In…

Information Theory · Computer Science 2016-01-08 Binbin Dai , Wei Yu

Cloud Radio Access Network (C-RAN) is a prominent architecture for 5G wireless cellular system that is based on the centralization of baseband processing for multiple distributed radio units (RUs) at a control unit (CU). In this work, it is…

Information Theory · Computer Science 2017-05-19 Seongah Jeong , Osvaldo Simeone , Alexander Haimovich , Joonhyuk Kang

This paper studies the problem of scheduling in single-hop wireless networks with real-time traffic, where every packet arrival has an associated deadline and a minimum fraction of packets must be transmitted before the end of the deadline.…

Networking and Internet Architecture · Computer Science 2010-07-12 Juan Jose Jaramillo , R. Srikant , Lei Ying

The fronthaul connection is a key component of Centralized RAN (C-RAN) architectures, consistently required to handle high capacity demands. However, this critical feature is at risk when the transport link relies on wireless technology.…

Networking and Internet Architecture · Computer Science 2024-11-22 Marcello Morini , Eugenio Moro , Ilario Filippini , Danilo De Donno , Salvatore Moscato , Antonio Capone