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In this paper, the problem of opportunistic spectrum sharing for the next generation of wireless systems empowered by the cloud radio access network (C-RAN) is studied. More precisely, low-priority users employ cooperative spectrum sensing…

信号处理 · 电气工程与系统科学 2019-07-17 Hossein Safi , A. M Montazeri , Javane Rostampoor , Saeedeh Parsaeefard

It is anticipated that much higher network capacity will be achieved by the fifth generation (5G) small cell networks incorporated with the millimeter wave (mmWave) technology. However, mmWave signals are more sensitive to blockages than…

网络与互联网体系结构 · 计算机科学 2018-12-06 Jiaqi Chen , Xiaohu Ge , Qiang Ni

Beyond 5G networks will operate at high frequencies with wide bandwidths. This brings both opportunities and challenges. Opportunities include high throughput connectivity with low latency. However, one of the main challenges in these…

信息论 · 计算机科学 2025-09-30 Vijaya Yajnanarayana

In the evolution of 6th Generation (6G) technology, the emergence of cell-free networking presents a paradigm shift, revolutionizing user experiences within densely deployed networks where distributed access points collaborate. However, the…

信号处理 · 电气工程与系统科学 2024-08-15 Dieter Verbruggen , Hazem Sallouha , Sofie Pollin

In this paper, we propose a novel algorithm to detect anomaly in terms of Key Parameter Indicators (KPI)s over live cellular networks based on the combination of Recurrent Neural Networks (RNN), and Convolutional Neural Networks (CNN), as…

Cellular Automata (CA) are common and most simple models of parallel computations. Edge detection is one of the crucial task in image processing, especially in processing biological and medical images. CA can be successfully applied in…

计算机视觉与模式识别 · 计算机科学 2014-02-07 Deepak Ranjan Nayak , Sumit Kumar Sahu , Jahangir Mohammed

\ac{RAT} classification and monitoring are essential for efficient coexistence of different communication systems in shared spectrum. Shared spectrum, including operation in license-exempt bands, is envisioned in the \ac{5G} standards…

信号处理 · 电气工程与系统科学 2020-07-28 Erika Fonseca , Joao F. Santos , Francisco Paisana , Luiz A. DaSilva

The acute disparity between increasing bandwidth demand and available spectrum, has brought millimeter wave (mmW) bands to the forefront of candidate solutions for the next-generation cellular networks. Highly directional transmissions are…

Our traditional notion of a cell is changing dramatically given the increasing degree of heterogeneity in 4G and emerging 5G systems. Rather than belonging to a specific cell, a device would choose the most suitable connection from the…

网络与互联网体系结构 · 计算机科学 2014-10-28 Katerina Smiljkovikj , Hisham Elshaer , Petar Popovski , Federico Boccardi , Mischa Dohler , Liljana Gavrilovska , Ralf Irmer

It is expected that 5G/6G networks will exploit sub-6 GHz, millimetre wave (mmWave) and terahertz (THz) frequency bands simultaneously and will increase flexibility in user equipment (UE)-cell association. In this paper, we introduce a…

信息论 · 计算机科学 2024-09-13 Yunbai Wang , Chen Chen , Xiaoli Chu

Beam management is central in the operation of beamformed wireless cellular systems such as 5G New Radio (NR) networks. Focusing the energy radiated to mobile terminals (MTs) by increasing the number of beams per cell increases signal power…

To attain the targeted data rates of next generation cellular networks requires dense deployment of small cells in addition to macro cells which provide wide coverage. Dynamic radio resource management is crucial to the success of such…

信息论 · 计算机科学 2019-03-05 Fei Teng , Dongning Guo

For the next wireless communication systems, the major challenges are to provide ubiquitous wireless access abilities and maintain the quality of service and seamless mobility management for mobile communication devices in heterogeneous…

网络与互联网体系结构 · 计算机科学 2026-03-03 A. Nezih Kasim

Initial cell search and selection is one of the first few essential steps that a mobile device must perform to access a mobile network. The distinct features of 5G bring new challenges to the design of initial cell search and selection. In…

网络与互联网体系结构 · 计算机科学 2019-05-22 Ning Wei , Xingqin Lin , Guangrong Yue , Zhongpei Zhang

Agility and resilience requirements of future cellular networks may not be fully satisfied by terrestrial base stations in cases of unexpected or temporary events. A promising solution is assisting the cellular network via low-altitude…

最优化与控制 · 数学 2016-03-02 R. Irem Bor Yaliniz , Amr El-Keyi , Halim Yanikomeroglu

With the exponential increase in mobile users, the mobile data demand has grown tremendously. To meet these demands, cellular operators are constantly innovating to enhance the capacity of cellular systems. Consequently, operators have been…

网络与互联网体系结构 · 计算机科学 2021-12-30 Vanlin Sathya , Srikant Manas Kala , Kalpana Naidu

It is known that data rates in standard cellular networks are limited due to inter-cell interference. An effective solution of this problem is to use the multi-cell cooperation idea. In Cloud Radio Access Network, which is a candidate…

信息论 · 计算机科学 2021-02-16 Fehmi Emre Kadan , Ali Özgür Yılmaz

One of the ways of achieving improved capacity in mobile cellular networks is via network densification. Even though densification increases the capacity of the network, it also leads to increased energy consumption which can be curbed by…

This paper provides an analytical framework to characterize the performance of Heterogeneous Networks (HetNets), where the positions of base stations and users are modeled by spatial Poisson Point Processes (stochastic geometry). We have…

网络与互联网体系结构 · 计算机科学 2017-12-15 Giovanni Giambene , Van Anh Le

We consider the problem of accurately identifying cell boundaries and labeling individual cells in confocal microscopy images, specifically, 3D image stacks of cells with tagged cell membranes. Precise identification of cell boundaries,…

计算机视觉与模式识别 · 计算机科学 2019-09-06 Jiaxiang Jiang , Po-Yu Kao , Samuel A. Belteton , Daniel B. Szymanski , B. S. Manjunath