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Related papers: RIS Meets O-RAN: A Practical Demonstration of Mult…

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Open Radio Access Networks (O-RAN) are transforming telecommunications by shifting from centralized to distributed architectures, promoting flexibility, interoperability, and innovation through open interfaces and multi-vendor environments.…

Cryptography and Security · Computer Science 2025-03-12 Zaineh Abughazzah , Emna Baccour , Ahmed Refaey , Amr Mohamed , Mounir Hamdi

Reconfigurable Intelligent Surfaces (RISs) are a promising technique for enhancing the performance of Next Generation (NextG) wireless communication systems in terms of both spectral and energy efficiency, as well as resource utilization.…

Networking and Internet Architecture · Computer Science 2025-04-22 Maria Tsampazi , Tommaso Melodia

Antenna array technology enables directional transmission and reception of wireless signals, for communications, localization, and sensing purposes. The signal processing algorithms that underpin this technology began to be developed…

Signal Processing · Electrical Eng. & Systems 2022-03-09 Emil Björnson , Henk Wymeersch , Bho Matthiesen , Petar Popovski , Luca Sanguinetti , Elisabeth de Carvalho

Reconfigurable intelligent surface (RIS) is an emerging technology that is under investigation for different applications in wireless communications. RISs are often analyzed and optimized by considering simplified electromagnetic…

The need for intelligent and efficient resource provisioning for the productive management of resources in real-world scenarios is growing with the evolution of telecommunications towards the 6G era. Technologies such as Open Radio Access…

Networking and Internet Architecture · Computer Science 2024-07-22 Vaishnavi Kasuluru , Luis Blanco , Engin Zeydan , Albert Bel , Angelos Antonopoulos

We introduce an information-theoretic framework to dynamically pair up different reconfigurable intelligent surfaces (RISs) with wireless users with goal of maximizing the fundamental network capacity. We focus on a double RIS-aided…

Information Theory · Computer Science 2025-02-05 Alireza Vahid

Integrated sensing and communication (ISAC) is emerging as a key enabler to address the growing spectrum congestion problem and satisfy increasing demands for ubiquitous sensing and communication. By sharing various resources and…

Signal Processing · Electrical Eng. & Systems 2022-06-20 Rang Liu , Ming Li , Honghao Luo , Qian Liu , A. Lee Swindlehurst

The disruptive reconfigurable intelligent surface (RIS) technology is steadily gaining relevance as a key element in future 6G networks. However, a one-size-fits-all RIS hardware design is yet to be defined due to many practical…

Networking and Internet Architecture · Computer Science 2022-03-17 Fabio Maresca , Antonio Albanese , Placido Mursia , Vincenzo Sciancalepore , Xavier Costa-Pérez

Open Radio Access Network (O-RAN) is transforming the telecommunications landscape by enabling flexible, intelligent, and multi-vendor networks. Central to its architecture are xApps hosted on the Near-Real-Time RAN Intelligent Controller…

Networking and Internet Architecture · Computer Science 2025-01-27 Anastasios Giannopoulos , Sotirios Spantideas , Levis George , Kalafatelis Alexandros , Panagiotis Trakadas

RAN Intelligent Controllers (RICs) are programmable platforms that enable data-driven closed-loop control in the O-RAN architecture. They collect telemetry and data from the RAN, process it in custom applications, and enforce control or new…

Networking and Internet Architecture · Computer Science 2024-11-13 Angelo Feraudo , Stefano Maxenti , Andrea Lacava , Paolo Bellavista , Michele Polese , Tommaso Melodia

Reconfigurable Intelligent Surfaces (RISs) are programmable metasurfaces that can adaptively steer received electromagnetic energy in desired directions by employing controllable phase shifting cells. Among other uses, an RIS can modify the…

Signal Processing · Electrical Eng. & Systems 2025-05-15 Ender Ayanoglu , Filippo Capolino , A. Lee Swindlehurst

Connected Vehicles (CVs) can leverage the unique features of 5G and future 6G/NextG networks to enhance Intelligent Transportation System (ITS) services. However, even with advancements in cellular network generations, CV applications may…

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

A reconfigurable intelligent surface (RIS) is a prospective wireless technology that enhances wireless channel quality. An RIS is often equipped with passive array of elements and provides cost and power-efficient solutions for coverage…

Information Theory · Computer Science 2024-03-20 Hyuckjin Choi , Ly V. Nguyen , Junil Choi , A. Lee Swindlehurst

Reconfigurable Intelligent Surfaces (RIS) are planar structures connected to electronic circuitry, which can be employed to steer the electromagnetic signals in a controlled manner. Through this, the signal quality and the effective data…

Information Theory · Computer Science 2021-12-21 Long Kong , Steven Kisseleff , Symeon Chatzinotas , Björn Ottersten , Melike Erol-Kantarci

This paper investigates the problem of resource allocation for a wireless communication network with distributed reconfigurable intelligent surfaces (RISs). In this network, multiple RISs are spatially distributed to serve wireless users…

Signal Processing · Electrical Eng. & Systems 2020-05-04 Zhaohui Yang , Mingzhe Chen , Walid Saad , Wei Xu , Mohammad Shikh-Bahaei , H. Vincent Poor , Shuguang Cui

The next generation of wireless systems will take the concept of communications and networking to another level through the seamless integration of terrestrial, aerial, satellite, maritime and underwater communication systems.…

Networking and Internet Architecture · Computer Science 2022-08-02 Parisa Ramezani , Bin Lyu , Abbas Jamalipour

Reconfigurable intelligent surfaces (RISs) are widely considered to become an integral part of future wireless communication systems. Various methodologies exist to design such surfaces; however, most consider or require a very large number…

Optimization and Control · Mathematics 2023-09-01 Hans-Dieter Lang , Michel A. Nyffenegger , Heinz Mathis , Xingqi Zhang

We propose a new reconfigurable intelligent surface (RIS) structure, referred to as interconnected RIS (I-RIS), which allows the RIS elements to be interconnected and share the incident signals using simple binary radio frequency (RF)…

Information Theory · Computer Science 2024-07-17 Sajjad Nassirpour , Naoki Kusashima , Jose Flordelis , Alireza Vahid

O-RAN (Open-Radio Access Network) offers a flexible, open architecture for next-generation wireless networks. Network slicing within O-RAN allows network operators to create customized virtual networks, each tailored to meet the specific…

Networking and Internet Architecture · Computer Science 2025-04-25 Sihem Bakri , Indrakshi Dey , Harun Siljak , Marco Ruffini , Nicola Marchetti

The plethora of wirelessly connected devices, whose deployment density is expected to largely increase in the upcoming sixth Generation (6G) of wireless networks, will naturally necessitate substantial advances in multiple access schemes.…

Information Theory · Computer Science 2024-10-29 Konstantinos D. Katsanos , Paolo Di Lorenzo , George C. Alexandropoulos
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