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The fog radio access network (Fog-RAN) has been considered a promising wireless access architecture to help shorten the communication delay and relieve the large data delivery burden over the backhaul links. However, limited by conventional…

Information Theory · Computer Science 2021-03-04 Jun Yu , Rui Wang , Jun Wu

The gains afforded by cloud radio access network (C-RAN) in terms of savings in capital and operating expenses, flexibility, interference management and network densification rely on the presence of high-capacity low-latency fronthaul…

Information Theory · Computer Science 2016-08-29 Osvaldo Simeone , Jinkyu Kang , Joonhyuk Kang , Shlomo Shamai

In this paper, we propose a cross layer energy efficient resource allocation and remote radio head (RRH) selection algorithm for heterogeneous traffic in power domain - non-orthogonal multiple access (PD-NOMA) based heterogeneous cloud…

Signal Processing · Electrical Eng. & Systems 2018-03-22 Ali Mokdad , Paeiz Azmi , Nader Mokari , Mohammad Moltafet , Mohsen Ghaffari-Miab

Cloud radio access network (C-RAN) has been recognized as a promising architecture for next-generation wireless systems to \textcolor{black}{support} the rapidly increasing demand for higher data rate. However, the performance of C-RAN is…

Information Theory · Computer Science 2020-01-22 Yang Li , Minghua Xia , Yik-Chung Wu

Cloud-based Radio Access Network (C-RAN) is a promising architecture for future cellular networks, in which Baseband Units (BBUs) are placed at a centralized location, with capacity-constrained fronthaul connected to multiple distributed…

Information Theory · Computer Science 2017-06-23 Lei You , Di Yuan

This paper considers orthogonal frequency division multiple access systems with simultaneous wireless information and power transfer. We study the resource allocation algorithm design for maximization of the energy efficiency of data…

Information Theory · Computer Science 2016-11-17 Derrick Wing Kwan Ng , Ernest S. Lo , Robert Schober

In this paper, we propose fairness-oriented packet scheduling (PS) schemes with power-efficient control mechanism for future packet radio systems. In general, the radio resource management functionality plays an important role in new OFDMA…

Networking and Internet Architecture · Computer Science 2010-07-15 Stanislav Nonchev , Mikko Valkama

We propose a power-and rate-adaptation scheme for cloud radio access networks (C-RANs), where each radio remote head (RRH) is connected to the baseband unit (BBU) pool through optical links. The RRHs jointly support the users by efficiently…

Information Theory · Computer Science 2018-06-15 Hong Ren , Nan Liu , Cunhua Pan , Maged Elkashlan , Arumugam Nallanathan , Xiaohu You , Lajos Hanzo

This paper aims to characterize the synergy of distributed caching and wireless fronthaul in a fog radio access network (Fog-RAN) where all edge nodes (ENs) and user equipments (UEs) have a local cache and store contents independently at…

Information Theory · Computer Science 2018-05-10 Fan Xu , Meixia Tao

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…

Information Theory · Computer Science 2016-02-18 Jian Li , Mugen Peng , Yuling Yu , Zhiguo Ding

In this paper, we develop a resource allocation framework to optimize the downlink transmission of a backhaul-aware multi-cell cognitive radio network (CRN) which is enabled with multi-carrier non-orthogonal multiple access (MC-NOMA). The…

Signal Processing · Electrical Eng. & Systems 2021-06-09 Hosein Zarini , Ata Khalili , Hina Tabassum , Mehdi Rasti

A key problem in the design of cloud radio access networks (CRANs) is that of devising effective baseband compression strategies for transmission on the fronthaul links connecting a remote radio head (RRH) to the managing central unit (CU).…

Networking and Internet Architecture · Computer Science 2015-10-07 Eunhye Heo , Osvaldo Simeone , Hyuncheol Park

This paper considers the uplink of a cloud radio access network (C-RAN) comprised of several multi-antenna remote radio units (RUs) which send the data that they received from multiple mobile users (MUs) to a central unit (CU) via a…

Information Theory · Computer Science 2017-04-20 Marzieh Najafi , Vahid Jamali , Derrick Wing Kwan Ng , Robert Schober

Non-Orthogonal Multiple Access (NOMA) and Fog Radio Access Networks (FRAN) are promising candidates within the 5G and beyond systems. This work examines the benefit of adopting NOMA in an FRAN architecture with constrained capacity…

Networking and Internet Architecture · Computer Science 2019-02-28 Itsikiantsoa Randrianantenaina , Megumi Kaneko , Hayssam Dahrouj , Hesham ElSawy , Mohamed-Slim Alouini

Cloud radio access networks (C-RAN) are a promising technology to enable the ambitious vision of the fifth generation (5G) communication networks. In spite of the potential benefits of C-RAN, the operational costs are still a challenging…

Information Theory · Computer Science 2016-07-22 Alaa Alameer , Aydin Sezgin

To deal with the rapid growth of high-speed and/or ultra-low latency data traffic for massive mobile users, fog radio access networks (Fog-RANs) have emerged as a promising architecture for next-generation wireless networks. In Fog-RANs,…

Signal Processing · Electrical Eng. & Systems 2017-10-03 Juan Liu , Bo Bai , Jun Zhang , Khaled B. Letaief

The cloud-radio access network (CRAN) is expected to be the core network architecture for next generation mobile radio systems. In this paper, we consider the downlink of a CRAN formed of one central processor (the cloud) and several…

Information Theory · Computer Science 2016-01-28 Oussama Dhifallah , Hayssam Dahrouj , Tareq Y. Al-Naffouri , Mohamed-Slim Alouini

One of the most promising techniques for network-wide interference management necessitates a redesign of the network architecture known as cloud radio access network (CRAN). The cloud is responsible for coordinating multiple Remote Radio…

Information Theory · Computer Science 2018-06-22 Mohammed S. Al-Abiad , Ahmed Douik , Sameh Sorour , Md Jahangir Hossain

The widespread application of wireless services and dense devices access have triggered huge energy consumption. Because of the environmental and financial considerations, energy-efficient design in wireless networks becomes an inevitable…

Information Theory · Computer Science 2017-10-10 Haijun Zhang , Hao Liu , Julian Cheng , Victor C. M. Leung

Proper coordination is needed to guarantee the performance of wireless networks in dense deployments. Contention-based systems suffer badly in terms of latency when multiple devices compete for the same resources. Coordinated Orthogonal…

Networking and Internet Architecture · Computer Science 2025-07-15 Thijs Havinga , Xianjun Jiao , Wei Liu , Baiheng Chen , Robbe Gaeremynck , Ingrid Moerman