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In this paper, we consider a novel cache-enabled heterogeneous network (HetNet), where macro base stations (BSs) with traditional sub-6 GHz are overlaid by dense millimeter wave (mmWave) pico BSs. These two-tier BSs, which are modeled as…

Information Theory · Computer Science 2018-07-16 Wenqiang Yi , Yuanwei Liu , Arumugam Nallanathan

Having a cognitive and self-optimizing network that proactively adapts not only to channel conditions, but also according to its users needs can be one of the highest forthcoming priorities of future 6G Heterogeneous Networks (HetNets). In…

Networking and Internet Architecture · Computer Science 2020-03-20 Mohammed S. Hadi , Ahmed Q. Lawey , Taisir E. H. El-Gorashi , Jaafar M. H. Elmirghani

Integrating unmanned aerial vehicles (UAVs) as user equipment (UE) and base-stations (BSs) into an existing LTE-Advanced heterogeneous network (HetNet) can further enhance wireless connectivity and support emerging services. However, this…

Networking and Internet Architecture · Computer Science 2018-10-23 Abhaykumar Kumbhar , Hamidullah Binol , Ismail Guvenc , Kemal Akkaya

Heterogeneous networks (het-nets) - comprising of conventional macrocell base stations overlaid with femtocells, picocells and wireless relays - offer cellular operators burgeoning traffic demands through cell-splitting gains obtained by…

Information Theory · Computer Science 2011-12-08 Lars Lindbom , Robert Love , Sandeep Krishnamurthy , Chunhai Yao , Nobuhiko Miki , Vikram Chandrasekhar

Managing interference in a network of macrocells underlaid with femtocells presents an important, yet challenging problem. A majority of spatial (frequency/time) reuse based approaches partition the users based on coloring the interference…

Information Theory · Computer Science 2015-04-28 Kartik Ahuja , Yuanzhang Xiao , Mihaela van der Schaar

The increasing complexity of modern applications demands wireless networks capable of real time adaptability and efficient resource management. The Open Radio Access Network (O-RAN) architecture, with its RAN Intelligent Controller (RIC)…

Artificial Intelligence · Computer Science 2025-12-17 Fatemeh Lotfi , Fatemeh Afghah

Heterogeneous network (HetNet) is a specified cellular platform to tackle the rapidly growing anticipated data traffic. From communications perspective, data loads can be mapped to energy loads that are generally placed on the operator…

Networking and Internet Architecture · Computer Science 2021-10-13 Khondoker Ziaul Islam , MD. Sanwar Hossain , B. M. Ruhul Amin , Ferdous Sohel

This paper studies the coexistence of enhanced mobile broadband (eMBB) and ultra-reliable and low-latency communication (URLLC) services in a cellular network that is assisted by a reconfigurable intelligent surface (RIS). The system model…

Signal Processing · Electrical Eng. & Systems 2021-08-06 Mohammed AL-Mekhlafi , Mohamed Amine Arfaoui , Mohamed Elhattab , Chadi Assi , Ali Ghrayeb

In this paper, we devise a novel radio resource block (RB) structure named dynamic resource block structure (D-RBS) which can handle low latency traffics and large fluctuations in data rates by exploiting smart time and frequency duplexing.…

Signal Processing · Electrical Eng. & Systems 2020-02-04 Mohammad R. Abedi , Mohammad R. Javan , Nader Mokari , Eduard . A. Jorswieck

As rapidly growing AI computational demands accelerate the need for new hardware installation and maintenance, this work explores optimal data center resource management by balancing operational efficiency with fault tolerance through…

Artificial Intelligence · Computer Science 2025-04-02 Chang-Lin Chen , Jiayu Chen , Tian Lan , Zhaoxia Zhao , Hongbo Dong , Vaneet Aggarwal

In this paper, the problems of user offloading and resource optimization are jointly addressed to support ultra-reliable and low latency communications (URLLC) in HetNets. In particular, a multi-tier network with a single macro base station…

Networking and Internet Architecture · Computer Science 2019-05-14 Mohammad Yousefvand , Kenza Hamidouche , Narayan B. Mandayam

In this paper an innovative Radio Resource Management (RRM) algorithm is proposed with the purpose of increasing High Speed Packet Access (HSPA) performances, in terms of system capacity and service quality, when the Multimedia Broadcast…

Information Theory · Computer Science 2016-06-08 G. Araniti , V. Scordamaglia , A. Molinaro , A. Iera , G. Interdonato , F. Spanò

Fifth generation (5G) new radio introduced flexible numerology to provide the necessary flexibility for accommodating heterogeneous services. However, optimizing the scheduling of heterogeneous services with differing delay and throughput…

Signal Processing · Electrical Eng. & Systems 2021-03-03 Sotiris Skaperas , Nasim Ferdosian , Arsenia Chorti , Lefteris Mamatas

The rapid technological advances of cellular technologies will revolutionize network automation in industrial internet of things (IIoT). In this paper, we investigate the two-timescale resource allocation problem in IIoT networks with…

Signal Processing · Electrical Eng. & Systems 2022-03-25 Yanhua He , Yun Ren , Zhenyu Zhou , Shahid Mumtaz , Saba Al-Rubaye , Antonios Tsourdos , Octavia A. Dobre

We propose a novel hierarchical frequency and voltage control design for multi-area power system integrated with inverter-based resources (IBRs). The design is based on the idea of prioritizing the use of IBRs over conventional…

Systems and Control · Electrical Eng. & Systems 2022-02-08 Rahul Chakraborty , Aranya Chakrabortty , Evangelos Farantatos , Mahendra Patel , Hossein Hooshyar , Atena Darvishi

Small cells have been identified as an effective solution for coping with the important traffic increase that is expected in the coming years. But this solution is accompanied by additional interference that needs to be mitigated. The…

Networking and Internet Architecture · Computer Science 2014-08-22 Abdoulaye Tall , Zwi Altman , Eitan Altman

Considering a heterogeneous network (HetNet) where both macro base station (BS) and small cell (SC) nodes are equipped with massive antennas, this paper studies the performance for multiple-input multiple-output (MIMO) downlinks when the…

Information Theory · Computer Science 2016-08-15 Yongyu Dai , Xiaodai Dong , Hai Lin

Remote monitoring systems analyze the environment dynamics in different smart industrial applications, such as occupational health and safety, and environmental monitoring. Specifically, in industrial Internet of Things (IoT) systems, the…

Networking and Internet Architecture · Computer Science 2023-05-04 Rami Hamdi , Ahmed Ben Said , Emna Baccour , Aiman Erbad , Amr Mohamed , Mounir Hamdi , Mohsen Guizani

We consider a heterogeneous cellular network (HetNet) where a macrocell tier with a large antenna array base station (BS) is overlaid with a dense tier of small cells (SCs). We investigate the potential benefits of incorporating a massive…

Information Theory · Computer Science 2016-11-17 Marios Kountouris , Nikolaos Pappas

Heterogeneous networks (HetNets) with offloading is considered as an effective way to meet the high data rate demand of future wireless service. However, the offloaded users suffer from strong inter-tier interference, which reduces the…

Information Theory · Computer Science 2015-02-27 Yueping Wu , Ying Cui , Bruno Clerckx