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We model the scenarios of network slicing allocation for the micro-operator (MO) network. The MO creates the slices "as a service" of wireless resource and then allocates these slices to multiple mobile network operators (MNOs). We propose…

Information Theory · Computer Science 2018-11-06 Tachporn Sanguanpuak , Nandana Rajatheva , Dusit Niyato , Matti Latva-aho

Network slicing is an effective 5G concept for improved resource utilization and service scalability tailored to users (UEs) requirements. According to the standardization, 5G system should support UEs through specification of its…

Networking and Internet Architecture · Computer Science 2021-06-30 Sharvari Ravindran , Saptarshi Chaudhuri , Jyotsna Bapat , Debabrata Das

In this paper, we employ a user-centric (UC) cell-free massive MIMO (CFmMIMO) network for providing ultra reliable low latency communication (URLLC) when traditional ground users (GUs) coexist with unmanned aerial vehicles (UAVs). We study…

Information Theory · Computer Science 2022-12-06 Mohamed Elwekeil , Alessio Zappone , Stefano Buzzi

The ever increasing number of connected devices and of new and heterogeneous mobile use cases implies that 5G cellular systems will face demanding technical challenges. For example, Ultra-Reliable Low-Latency Communication (URLLC) and…

Networking and Internet Architecture · Computer Science 2020-05-21 Matteo Pagin , Francesco Agostini , Tommaso Zugno , Michele Polese , Michele Zorzi

Cell-free networks outperform cellular networks in many aspects, yet their efficiency is affected by imperfect channel state information (CSI). In order to address this issue, this work presents a robust resource allocation framework…

Information Theory · Computer Science 2025-05-20 S. Mashdour , A. Flores , R. C. de Lamare

In this paper, we study the resource slicing problem in a dynamic multiplexing scenario of two distinct 5G services, namely Ultra-Reliable Low Latency Communications (URLLC) and enhanced Mobile BroadBand (eMBB). While eMBB services focus on…

Networking and Internet Architecture · Computer Science 2020-11-13 Madyan Alsenwi , Nguyen H. Tran , Mehdi Bennis , Shashi Raj Pandey , Anupam Kumar Bairagi , Choong Seon Hong

We consider the system-wide utility maximization problem in the downlink of a cell-free massive multiple-input multiple-output (MIMO) system whereby a very large number of access points (APs) simultaneously serve a group of users.…

Signal Processing · Electrical Eng. & Systems 2020-09-22 Muhammad Farooq , Hien Quoc Ngo , Een-Kee Hong , Le-Nam Tran

This paper considers a mobile edge computing-enabled cell-free massive MIMO wireless network. An optimization problem for the joint allocation of uplink powers and remote computational resources is formulated, aimed at minimizing the total…

Information Theory · Computer Science 2022-02-17 Giovanni Interdonato , Stefano Buzzi

Driven by green communications, energy efficiency (EE) has become a new important criterion for designing wireless communication systems. However, high EE often leads to low spectral efficiency (SE), which spurs the research on EE-SE…

Networking and Internet Architecture · Computer Science 2016-05-10 Lei Deng , Wenjie Zhang , Yun Rui , Yeo Chai Kiat

This paper considers the resource allocation algorithm design for downlink multiple-input single-output (MISO) orthogonal frequency division multiple access (OFDMA) ultra-reliable low latency communication (URLLC) systems. To meet the…

Information Theory · Computer Science 2019-10-15 Walid R. Ghanem , Vahid Jamali , Yan Sun , Robert Schober

Recently, the so-called cell-free (CF) Massive MIMO architecture has been introduced, wherein a very large number of distributed access points (APs) simultaneously and jointly serve a much smaller number of mobile stations (MSs). The paper…

Information Theory · Computer Science 2018-03-07 Stefano Buzzi , Carmen D'Andrea , Alessio Zappone

Cell-free massive multiple-input multiple-output (MIMO) employs a large number of distributed access points (APs) to serve a small number of user equipments (UEs) via the same time/frequency resource. Due to the strong macro diversity gain,…

Information Theory · Computer Science 2021-11-23 Jiayi Zhang , Jing Zhang , Derrick Wing Kwan Ng , Shi Jin , Bo Ai

In this paper, we consider resource allocation optimization problem in cellular networks for different types of users running multiple applications simultaneously. In our proposed model, each user application is assigned a utility function…

Networking and Internet Architecture · Computer Science 2016-11-17 Haya Shajaiah , Ahmed Abdelhadi , Charles Clancy

Network slicing allows 5G network operators to provide service to multiple tenants with diverging service requirements. This paper considers network slicing aware optimal resource allocation in terms of throughput and energy efficiency. We…

Information Theory · Computer Science 2018-12-19 Bho Matthiesen , Osman Aydin , Eduard A. Jorswieck

With the increasing number of user equipment (UE) and data demands, denser access points (APs) are being employed. Resource allocation problems have been extensively researched with interference treated as noise. It is well understood that…

Networking and Internet Architecture · Computer Science 2020-04-20 Jing Li , Dongning Guo

We propose an effective interference management and beamforming mechanism for uplink communication systems that yields fair allocation of rates. In particular, we consider a hotspot area of a millimeter-wave (mmWave) access network…

Networking and Internet Architecture · Computer Science 2021-08-10 Rafail Ismayilov , Bernd Holfeld , Renato L. G. Cavalcante , Megumi Kaneko

Cell-Free (CF) Massive MIMO (mMIMO) is a technology which can potentially augment not only the deployment of 5G, but also the deployment of beyond 5G (B5G) wireless networks. However, the cost for rolling out such systems may be…

Information Theory · Computer Science 2022-08-02 Ioannis Chiotis , Aris L. Moustakas

This paper addresses the cell association problem in the downlink of a multi-tier heterogeneous network (HetNet), where base stations (BSs) have finite number of resource blocks (RBs) available to distribute among their associated users.…

Networking and Internet Architecture · Computer Science 2014-05-13 Hamidreza Boostanimehr , Vijay K. Bhargava

Cell-free Massive MIMO is considered as a promising technology for satisfying the increasing number of users and high rate expectations in beyond-5G networks. The key idea is to let many distributed access points (APs) communicate with all…

Information Theory · Computer Science 2019-09-19 Emil Björnson , Luca Sanguinetti

In this paper, we investigate the uplink (UL) radio resource management for 5G aerial corridors with an open-radio access network (O-RAN)-enabled cell-free (CF) massive multiple-input multiple-output (mMIMO) system. Our objective is to…

Systems and Control · Electrical Eng. & Systems 2026-01-22 Manobendu Sarker , Md. Zoheb Hassan , Xianbin Wang