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Advances in the Internet of Things are revolutionizing data acquisition, enhancing artificial intelligence and quality of service. Unmanned Aerial Vehicles (UAVs) provide an efficient data-gathering solution across varied environments. This…

Networking and Internet Architecture · Computer Science 2025-04-14 Priyavrat Dev Sharma , Ibrahim Sorkhoh , Muthucumaru Maheswaran

This paper considers LEO satellite- and cache-assisted UAV communications for content delivery in terrestrial networks, which shows great potential for next-generation systems to provide ubiquitous connectivity and high capacity.…

Information Theory · Computer Science 2021-06-10 Dinh-Hieu Tran , Symeon Chatzinotas , Björn Ottersten

In this paper, we investigate maximum distance separable (MDS) codes based group coded caching in fog radio access networks (F-RANs). The goal is to minimize the average fronthaul rate under nonuniform file popularity. Firstly, an MDS codes…

Information Theory · Computer Science 2022-06-24 Qianli Tan , Yanxiang Jiang , Fu-Chun Zheng , Mehdi Bennis , Xiaohu You

This article investigates the cache-enabling unmanned aerial vehicle (UAV) cellular networks with massive access capability supported by non-orthogonal multiple access (NOMA). The delivery of a large volume of multimedia contents for ground…

Signal Processing · Electrical Eng. & Systems 2020-08-13 Tiankui Zhang , Ziduan Wang , Yuanwei Liu , Wenjun Xu , Arumugam Nallanathan

Fog Radio Access Network (F-RAN) architectures can leverage both cloud processing and edge caching for content delivery to the users. To this end, F-RAN utilizes caches at the edge nodes (ENs) and fronthaul links connecting a cloud…

Information Theory · Computer Science 2018-04-25 Seyyed Mohammadreza Azimi , Osvaldo Simeone , Avik Sengupta , Ravi Tandon

In a Fog Radio Access Network (Fog-RAN), edge caching is combined with cloud-aided transmission in order to compensate for the limited hit probability of the caches at the base stations (BSs). Unlike the typical wired scenarios studied in…

Networking and Internet Architecture · Computer Science 2017-07-11 Igor Stanojev , Osvaldo Simeone

In traditional Fog-Radio Access Networks (F-RANs), enhanced remote radio heads (eRRHs) are connected to a macro base station (MBS) through fronthaul links. Deploying a massive number of eRRHs is not always feasible due to site constraints…

Information Theory · Computer Science 2024-08-30 Hesameddin Mokhtarzadeh , Mohammed S. Al-Abiad , Md Jahangir Hossain , Julian Cheng

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

Non-orthogonal multiple access (NOMA) enabled fog radio access networks (NOMA-F-RANs) have been taken as a promising enabler to release network congestion, reduce delivery latency, and improve fog user equipments' (F-UEs') quality of…

Signal Processing · Electrical Eng. & Systems 2021-12-03 Zhong Yang , Yaru Fu , Yuanwei Liu , Yue Chen , Junshan Zhang

Aerial networks, composed of Unmanned Aerial Vehicles (UAVs) acting as Wi-Fi access points or cellular base stations, are emerging as an interesting solution to provide on-demand wireless connectivity to users, when there is no network…

Networking and Internet Architecture · Computer Science 2023-02-23 Eduardo Nuno Almeida , André Coelho , José Ruela , Rui Campos , Manuel Ricardo

In this paper, performance of a lossy cooperative unmanned aerial vehicle (UAV) relay communication system is analyzed. In this system, the UAV relay adopts lossy forward (LF) strategy and the receiver has certain distortion requirements…

Networking and Internet Architecture · Computer Science 2024-10-04 Ya Lian , Wensheng Lin , Lixin Li , Fucheng Yang , Zhu Han , Tad Matsumoto

In this work, we consider a Fog Radio Access Network (F-RAN) system with a partially connected wireless topology and no channel state information available at the cloud and Edge Nodes (ENs). An F-RAN consists of ENs that are equipped with…

Information Theory · Computer Science 2019-12-20 Wei-Ting Chang , Ravi Tandon , Osvaldo Simeone

In this work, we study a full-duplex (FD) cloud radio access network (C-RAN) from the aspects of infrastructure sharing and information secrecy, where the central unit utilizes FD remote radio units (RU)s belonging to the same operator,…

Information Theory · Computer Science 2021-07-20 Omid Taghizadeh , Tianyu Yang , Hiroki Iimori , Giuseppe Abreu , Ali Cagatay Cirik , Rudolf Mathar

Unmanned Aerial Vehicles (UAVs), which are at the forefront of cutting-edge technology, have unmatched potential for pioneering applications in a wide range of disciplines. In particular, in the field of cognitive radio (CR), which is a key…

Networking and Internet Architecture · Computer Science 2022-01-25 Anas Osman , Morteza Alijani

The caching paradigm has been introduced to alleviate backhaul traffic load and to reduce latencies due to massive never ending increase in data traffic. To fully exploit the benefits offered by caching, unmanned aerial vehicles (UAVs) and…

Information Theory · Computer Science 2024-01-18 Emre Gures , Pavel Mach

This paper studies the decentralized coded caching for a Fog Radio Access Network (F-RAN), whereby two edge-nodes (ENs) connected to a cloud server via fronthaul links with limited capacity are serving the requests of $K_r$ users. We…

Information Theory · Computer Science 2018-05-01 Antonious M. Girgis , Ozgur Ercetin , Mohammed Nafie , Tamer ElBatt

In this paper, we consider an unmanned aerial vehicle (UAV)-enabled radio access network (RAN) with the UAV acting as an aerial platform to communicate with a set of ground users (GUs) in a variety of modes of practical interest, including…

Information Theory · Computer Science 2018-10-17 Jingwei Zhang , Yong Zeng , Rui Zhang

In a cloud radio access network (C-RAN), distributed remote radio heads (RRHs) are coordinated by baseband units (BBUs) in the cloud. The centralization of signal processing provides flexibility for coordinated multi-point transmission…

Information Theory · Computer Science 2021-01-21 Lei You , Di Yuan

A Fog Radio Access Network (F-RAN) is a cellular wireless system that enables content delivery via the caching of popular content at edge nodes (ENs) and cloud processing. The existing information-theoretic analyses of F-RAN systems, and…

Information Theory · Computer Science 2017-04-19 Jasper Goseling , Osvaldo Simeone , Petar Popovski

The use of unmanned aerial vehicles (UAV) as flying radio access network (RAN) nodes offers a promising complement to traditional fixed terrestrial deployments. More recently yet still in the context of wireless networks, drones have also…

Information Theory · Computer Science 2022-05-09 David Gesbert , Omid Esrafilian , Junting Chen , Rajeev Gangula , Urbashi Mitra