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Deployment of small cells in dense urban areas dedicated to the heterogeneous network (HetNet) and associated relay nodes for improving backhauling is expected to be an important structural element in the design of beyond 5G (B5G) and 6G…

网络与互联网体系结构 · 计算机科学 2022-02-04 Jongyul Lee , Vasilis Friderikos

How would a cellular network designed for maximal energy efficiency look like? To answer this fundamental question, tools from stochastic geometry are used in this paper to model future cellular networks and obtain a new lower bound on the…

信息论 · 计算机科学 2016-04-06 Emil Björnson , Luca Sanguinetti , Marios Kountouris

Small-cell cellular base stations are going to be used for mmWave and sub-THz communication systems to provide multi-Gbps data rates and reliable coverage to mobile users. This paper analyzes the base station coverage of sub-THz…

信息论 · 计算机科学 2022-03-18 Yunchou Xing , Ojas Kanhere , Shihao Ju , Theodore S. Rappaport

To satisfy the ever-increasing capacity demand and quality of service (QoS) requirements of users, 5G cellular systems will take the form of heterogeneous networks (HetNets) that consist of macro cells and small cells. To build and operate…

网络与互联网体系结构 · 计算机科学 2016-11-18 Sangkyu Park , Chan-Byoung Chae , Saewoong Bahk

Extremely large-scale antenna arrays (ELAAs) have emerged as a pivotal technology for addressing the unprecedented performance demands of next-generation wireless communication systems. To enhance their practicality, we propose…

信号处理 · 电气工程与系统科学 2026-01-21 Zhengyu Wang , Tiebin Mi , Gui Zhou , Robert C. Qiu

Existing cellular networks suffer from inflexible and expensive equipment, and complex control-plane protocols. To address these challenges, we present SoftCell, a scalable architecture for supporting fine-grained policies for mobile…

网络与互联网体系结构 · 计算机科学 2013-05-16 Xin Jin , Li Erran Li , Laurent Vanbever , Jennifer Rexford

Transmission Expansion Planning (TEP) is the process of optimizing the development and upgrade of the power grid to ensure reliable, efficient, and cost-effective electricity delivery while addressing grid constraints. To support growing…

系统与控制 · 电气工程与系统科学 2024-12-06 Kevin Wu , Rabab Haider , Pascal Van Hentenryck

Full-duplex (FD) communications with bidirectional transmitting and receiving at the same time and frequency radio resource have long been deemed a promising way to boost spectrum efficiency, but hindered by the techniques for…

信息论 · 计算机科学 2016-04-12 Rongpeng Li , Yan Chen , Geoffrey Ye Li , Guangyi Liu

Multi-tenancy allows diverse agents sharing the infrastructure in the 5 th generation of mobile networks. Such a feature calls for more automated and faster planning procedures in order to adapt the network capacity to the varying traffic…

网络与互联网体系结构 · 计算机科学 2021-05-03 Pablo Muñoz , Oriol Sallent , Jordi Pérez-Romero

In this paper, we address the problem of optimal relay placement in a cellular network assuming network densification, with the aim of maximizing cell capacity. In our model, a fraction of radio resources is dedicated to the base-station…

网络与互联网体系结构 · 计算机科学 2013-07-17 Jean-Marc Kelif , Marceau Coupechoux , Marc Sigelle

The use of a very large number of antennas at each base station site (referred to as "Massive MIMO") is one of the most promising approaches to cope with the predicted wireless data traffic explosion. In combination with Time Division…

网络与互联网体系结构 · 计算机科学 2015-02-10 Dilip Bethanabhotla , Ozgun Bursalioglu , Haralabos Papadopoulos , Giuseppe Caire

Network densification and heterogenisation through the deployment of small cellular access points (picocells and femtocells) are seen as key mechanisms in handling the exponential increase in cellular data traffic. Modelling such networks…

网络与互联网体系结构 · 计算机科学 2017-05-11 Pete Pratt , Carl P. Dettmann , Orestis Georgiou

This paper first considers a multicell network deployment where the base station (BS) of each cell communicates with its cell-edge user with the assistance of an amplify-and-forward (AF) relay node. Equipped with a power splitter and a…

信息论 · 计算机科学 2016-11-17 Ali A. Nasir , Duy T. Ngo , Xiangyun Zhou , Rodney A. Kennedy , Salman Durrani

Non-cooperative cellular massive MIMO, combined with power control, is known to lead to significant improvements in per-user throughput compared with conventional LTE technology. In this paper, we investigate further refinements to massive…

To improve the cellular energy efficiency, without sacrificing quality-of-service (QoS) at the users, the network topology must be densified to enable higher spatial reuse. We analyze a combination of two densification approaches, namely…

信息论 · 计算机科学 2013-10-22 Emil Björnson , Marios Kountouris , Mérouane Debbah

Efficiently implementing remote sensing image classification with high spatial resolution imagery can provide a significant value in Land Use and Land Cover (LULC) classification. The new advances in remote sensing and deep learning…

计算机视觉与模式识别 · 计算机科学 2021-12-06 Raoof Naushad , Tarunpreet Kaur , Ebrahim Ghaderpour

Recent advances in holography, wireless sensing and light fidelity technologies have resulted in the need for antennas that can support highly efficient beam directivity for a broad angular range. Transmitarrays have been shown to be…

光学 · 物理学 2017-11-07 Nikolaos Vasilantonakis , Jacob Scheuer , Amir Boag

We propose a cell segmentation method for analyzing images of densely clustered cells. The method combines the strengths of marker-controlled watershed transformation and a convolutional neural network (CNN). We demonstrate the method…

图像与视频处理 · 电气工程与系统科学 2020-04-06 Filip Lux , Petr Matula

The rapid development of communication technologies in the past decades has provided immense vertical opportunities for individuals and enterprises. However, conventional terrestrial cellular networks have unfortunately neglected the huge…

信号处理 · 电气工程与系统科学 2021-06-22 Shicong Liu , Zhen Gao , Yongpeng Wu , Derrick Wing Kwan Ng , Xiqi Gao , Kai-Kit Wong , Symeon Chatzinotas , Bjorn Ottersten

Wireless networks employing small cells like femtocells are considered to be the choice of network deployment for 4G or advanced networks. This hierarchical deployment of cells introduces the necessity of effective frequency planning for…

网络与互联网体系结构 · 计算机科学 2018-10-08 Md. Tashikur Rahman , Md. Didarul Alam , Mostafa Zaman Chowdhury