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With recent advancements in drone technology, researchers are now considering the possibility of deploying small cells served by base stations mounted on flying drones. A major advantage of such drone small cells is that the operators can…

Information Theory · Computer Science 2017-04-06 Azade Fotouhi , Ming Ding , Mahbub Hassan

Heterogeneous networks (HetNets) are proposed in order to meet the increasing demand for next generation cellular wireless networks, but they also increase the energy consumption of the base stations. In this paper, an activity management…

Networking and Internet Architecture · Computer Science 2019-01-30 Irmak Aykin , Ezhan Karasan

Drone base stations can assist cellular networks in a variety of scenarios. To serve the maximum number of users in an area without apriori user distribution information, we proposed a two-stage algorithm to find the optimal deployment of…

Systems and Control · Computer Science 2018-09-20 Xiaohui Li , Li Xing

As future networks aim to meet the ever-increasing requirements of high data rate applications, dense and heterogeneous networks (HetNets) will be deployed to provide better coverage and throughput. Besides the important implications for…

Information Theory · Computer Science 2016-03-30 Howard H. Yang , Giovanni Geraci , Tony Q. S. Quek

Cellular operators are increasingly turning towards renewable energy (RE) as an alternative to using traditional electricity in order to reduce operational expenditure and carbon footprint. Due to the randomness in both RE generation and…

Networking and Internet Architecture · Computer Science 2019-12-03 Muhammad Junaid Farooq , Hakim Ghazzai , Abdullah Kadri , Hesham ElSawy , Mohamed-Slim Alouini

Unmanned aerial vehicles (UAVs) can be used as flying base stations (BSs) to offload Macro-BSs in hotspots. However, due to the limited battery on-board, UAVs can typically stay in operation for less than 1.5 hours. Afterward, the UAV has…

Signal Processing · Electrical Eng. & Systems 2020-07-02 Yujie Qin , Mustafa A. Kishk , Mohamed-Slim Alouini

Motivated by the promising benefits of dynamic Time Division Duplex (TDD), in this paper, we use a unified framework to investigate both the technical issues of applying dynamic TDD in homogeneous small cell networks (HomSCNs), and the…

Information Theory · Computer Science 2020-06-29 Ming Ding , David Lopez-Perez , Ruiqi Xue , Athanasios V. Vasilakos , Wen Chen

This work studies optimal solar charging for solar-powered self-sustainable UAV communication networks, considering the day-scale time-variability of solar radiation and user service demand. The objective is to optimally trade off between…

Systems and Control · Electrical Eng. & Systems 2023-02-14 Longxin Wang , Saugat Tripathi , Ran Zhang , Nan Cheng , Miao Wang

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

We propose a novel Energy-Predictive Drone Service (EPDS) framework for efficient package delivery within a skyway network. The EPDS framework incorporates a formal modeling of an EPDS and an adaptive bidirectional Long Short-Term Memory…

Robotics · Computer Science 2025-08-05 Guanting Ren , Babar Shahzaad , Balsam Alkouz , Abdallah Lakhdari , Athman Bouguettaya

The use of drone small cells (DSCs) which are aerial wireless base stations that can be mounted on flying devices such as unmanned aerial vehicles (UAVs), is emerging as an effective technique for providing wireless services to ground users…

Information Theory · Computer Science 2015-09-08 Mohammad Mozaffari , Walid Saad , Mehdi Bennis , Merouane Debbah

The densification and expansion of wireless network pose new challenges on interference management and reducing energy consumption. This paper studies energy-efficient resource management in heterogeneous networks by jointly optimizing cell…

Information Theory · Computer Science 2016-02-11 Quan Kuang , Wolfgang Utschick

In a heterogeneous cellular network (HetNet) consisting of $M$ tiers of densely-deployed base stations (BSs), consider that each of the BSs in the HetNet that are associated with multiple users is able to simultaneously schedule and serve…

Signal Processing · Electrical Eng. & Systems 2020-09-01 Chun-Hung Liu , Di-Chun Liang , Po-Chia Chen , Jie-Ru Yang

This study proposes a novel stochastic geometry framework analyzing power control strategies in spatially correlated network topologies. Heterogeneous networks are studied, with users modeled via the superposition of homogeneous and Poisson…

Signal Processing · Electrical Eng. & Systems 2024-02-23 Martin Willame , Charles Wiame , Jérôme Louveaux , Claude Oestges , Luc Vandendorpe

The use of Unmanned Aerial Vehicles (UAVs) has gained interest in wireless networks for its many uses and advantages such as rapid deployment and multi-purpose functionality. This is why wide deployment of UAVs has the potential to be…

Signal Processing · Electrical Eng. & Systems 2018-07-26 Mohamed Y. Selim , Ahmad Alsharoa , Ahmed E. Kamal

Nowadays, Unmanned Aerial Vehicles (UAVs) have been significantly improved, and one of their most important applications is to provide temporary coverage for cellular users. Static Base Station cannot service all users due to temporary…

Networking and Internet Architecture · Computer Science 2022-02-09 Mehdi Sookhak , Amir Hossein Mohajerzadeh

The unprecedented increase in the demand for mobile data, fuelled by new emerging applications such as HD video streaming and heightened online activities has caused massive strain on the existing cellular networks. As a solution, the 5G…

Networking and Internet Architecture · Computer Science 2020-03-24 Shan Jaffry , Rasheed Hussain , Xiang Gui , Syed Faraz Hasan

Dramatic mobile data traffic growth has spurred a dense deployment of small cell base stations (SCBSs). Small cells enhance the spectrum efficiency and thus enlarge the capacity of mobile networks. Although SCBSs consume much less power…

Networking and Internet Architecture · Computer Science 2014-12-18 Tao Han , Nirwan Ansari

We model and analyze heterogeneous cellular networks with multiple antenna BSs (multi-antenna HetNets) with K classes or tiers of base stations (BSs), which may differ in terms of transmit power, deployment density, number of transmit…

Information Theory · Computer Science 2014-11-04 Abhishek K. Gupta , Harpreet S. Dhillon , Sriram Vishwanath , Jeffrey G. Andrews

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