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Machine learning provides automated means to capture complex dynamics of wireless spectrum and support better understanding of spectrum resources and their efficient utilization. As communication systems become smarter with cognitive radio…

Networking and Internet Architecture · Computer Science 2021-01-08 Yalin E. Sagduyu , Tugba Erpek , Yi Shi

Creating a secure environment for communications is becoming a significantly challenging task in 5G Heterogeneous Networks (HetNets) given the stringent latency and high capacity requirements of 5G networks. This is particularly factual…

Cryptography and Security · Computer Science 2018-02-07 Christian Miranda , Georges Kaddoum , Elias Bou-Harb

5G and beyond cellular systems embrace the disaggregation of Radio Access Network (RAN) components, exemplified by the evolution of the fronthaul (FH) connection between cellular baseband and radio unit equipment. Crucially, synchronization…

In-band full-duplex (FD) communication is considered a potential candidate to be adopted by the fifth generation (5G) cellular networks. FD communication renders the entire spectrum simultaneously accessible by uplink and downlink, and…

Information Theory · Computer Science 2016-04-12 Hesham ElSawy , Ahmad AlAmmouri , Osama Amin , Mohamed-Slim Alouini

An essential component for the Fifth Generation of Mobile Networks deployments is the 5G Core (5GC), which bridges the 5G Radio Access Network (RAN) to the rest of the Internet. Some open-source platforms for the 5GC have emerged and been…

Networking and Internet Architecture · Computer Science 2024-12-31 Maria Barbosa , Marcelo Silva , Ednelson Cavalcanti , Kelvin Dias

Fifth-generation (5G) systems will extensively employ radio access network (RAN) softwarization. This key innovation enables the instantiation of "virtual cellular networks" running on different slices of the shared physical infrastructure.…

Networking and Internet Architecture · Computer Science 2022-02-23 Leonardo Bonati , Salvatore D'Oro , Francesco Restuccia , Stefano Basagni , Tommaso Melodia

5G communications proposed significant improvements over 4G in terms of efficiency and security. Among these novelties, the 5G Network Slicing seems to have a prominent role: deploy multiple virtual network slices, each providing a…

Cryptography and Security · Computer Science 2020-11-02 Xavier Salleras , Vanesa Daza

In this work, we propose a novel framework to identify and mitigate a recently disclosed covert channel scheme exploiting unprotected broadcast messages in cellular MAC layer protocols. Examples of covert channel are used in data…

Cryptography and Security · Computer Science 2022-09-14 Reza Soosahabi , Magdy Bayoumi

Until the 4th Generation (4G) cellular 3GPP systems, a user equipment's (UE) cell association has been based on the downlink received power from the strongest base station. Recent work has shown that - with an increasing degree of…

Networking and Internet Architecture · Computer Science 2016-11-15 Hisham Elshaer , Federico Boccardi , Mischa Dohler , Ralf Irmer

We perform experiments on the wireless communication between a drone flying at different heights and a commercial 5G base station. An Android-based tool deployed on a 5G test platform is used to record radio link parameters in the up- and…

Networking and Internet Architecture · Computer Science 2020-05-26 Raheeb Muzaffar , Christian Raffelsberger , Aymen Fakhreddine , José López Luque , Driton Emini , Christian Bettstetter

The recent progress in the area of self-interference cancellation (SIC) design has enabled the development of full-duplex (FD) single and multiple antenna systems. In this paper, we propose a design for FD eNodeB (eNB) and user equipment…

Information Theory · Computer Science 2015-07-09 Chandan Pradhan , Kunal Sankhe , Sumit Kumar , Garimella Rama Murthy

The introduction of 5G has changed the wireless communication industry. Whereas previous generations of cellular technology are mainly based on communication for people, the wireless industry is discovering that 5G may be an era of…

Information Theory · Computer Science 2023-03-09 Bohang Zhang , Zhaoujun Nan , Sheng Zhou , Zhisheng Niu

In cellular systems, confidentiality of uplink transmission with respect to eavesdropping terminals can be ensured by creating intentional inteference via scheduling of concurrent downlink transmissions. In this paper, this basic idea is…

Information Theory · Computer Science 2008-05-06 Petar Popovski , Osvaldo Simeone

Communication technologies play a crucial role in battlefields. They are an inalienable part of any tactical response, whether at the battlefront or inland. Such scenarios require that the communication technologies be versatile, scalable,…

Signal Processing · Electrical Eng. & Systems 2024-06-17 Akshay Jain , Karthik Upadhya , Mikko A. Uusitalo , Harish Viswanathan

Advances in fifth-generation (5G) networks enable unprecedented reliability, speed, and connectivity compared to previous mobile networks. These advancements can revolutionize various sectors by supporting applications requiring real-time…

Cryptography and Security · Computer Science 2024-07-25 Shari-Ann Smith-Haynes

Precise positioning is a key enabler for emerging 5G applications, from autonomous transport to industrial automation. Yet the open physical layer (PL) leaves standard positioning reference signals (PRSs) vulnerable to manipulation. This…

Ultra dense cloud small cell network (UDCSNet), which combines cloud computing and massive deployment of small cells, is a promising technology for the fifth-generation (5G) LTE-U mobile communications because it can accommodate the…

Information Theory · Computer Science 2016-07-26 Haijun Zhang , Yanjie Dong , Julian Cheng , Md. Jahangir Hossain , Victor C. M. Leung

To cope with the growing demand for wireless data and to extend service coverage, future 5G networks will increasingly rely on the use of low powered nodes to support massive connectivity in diverse set of applications and services [1]. To…

Information Theory · Computer Science 2014-07-08 H. Baligh , M. Hong , W. -C. Liao , Z. -Q. Luo , M. Razaviyayn , M. Sanjabi , R. Sun

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…

Networking and Internet Architecture · Computer Science 2014-10-28 Katerina Smiljkovikj , Hisham Elshaer , Petar Popovski , Federico Boccardi , Mischa Dohler , Liljana Gavrilovska , Ralf Irmer

Security attacks at the physical layer, in the form of radio jamming for denial of service, are an increasing threat in the Industry 4.0 scenarios. In this paper, we consider the problem of jamming detection in 5G-and-beyond communication…

Signal Processing · Electrical Eng. & Systems 2021-06-16 Leonardo Chiarello , Paolo Baracca , Karthik Upadhya , Saeed R. Khosravirad , Thorsten Wild