English
Related papers

Related papers: Learning Self-Awareness Models for Physical Layer …

200 papers

Cognitive Radio (CR) operates in different fields as varied, one of these is cognitive radio networks. In this paper, we propose a new approach used CR, which aims to manage potential failures of computer systems and applications through…

Networking and Internet Architecture · Computer Science 2014-04-03 Mohammed Zakarya Baba-Ahmed , Badr Benmammar , Fethi Tarik Bendimerad

The very original concept of cognitive radio (CR) raised by Mitola targets at all the environment parameters, including those in physical layer, MAC layer, application layer as well as the information extracted from reasoning. Hence the…

Information Theory · Computer Science 2015-03-09 Kaiqing Zhang , Feifei Gao , Qihui Wu

The concept of cognitive radar (CR) enables radar systems to achieve intelligent adaption to a changeable environment with feedback facility from receiver to transmitter. However, the implementation of CR in a fast-changing environment…

Signal Processing · Electrical Eng. & Systems 2021-10-08 Pengfei Liu , Yimin Liu , Tianyao Huang , Yuxiang Lu , Xiqin Wang

Technologies which will lead to adaptive, intelligent, and aware wireless communications systems are expected to offer solutions to the capacity, interference, and reliability problems of wireless networks. The spectrum sensing feature of…

Networking and Internet Architecture · Computer Science 2016-11-17 Ali Gorcin , Huseyin Arslan

It has been 20 years since the concept of cognitive radio (CR) was proposed, which is an efficient approach to provide more access opportunities to connect massive wireless devices. To improve the spectrum efficiency, CR enables unlicensed…

Networking and Internet Architecture · Computer Science 2019-09-26 Zhijin Qin , Xiangwei Zhou , Lin Zhang , Yue Gao , Ying-Chang Liang , Geoffrey Ye Li

The ability to intelligently utilize resources to meet the need of growing diversity in services and user behavior marks the future of wireless communication systems. Intelligent wireless communications aims at enabling the system to…

Information Theory · Computer Science 2018-12-27 Xiangwei Zhou , Mingxuan Sun , Geoffrey Ye Li , Biing-Hwang Juang

Cognitive Radio (CR) operates in different fields as varied, one of these is cognitive radio networks. In this paper, we propose a new approach used CR, which aims to manage potential failures of computer systems and applications through…

Networking and Internet Architecture · Computer Science 2014-04-23 Mohammed Zakarya Baba-Ahmed , Badr Benmammar , Fethi Tarik Bendimerad

Cognitive radio (CR) is a new paradigm that utilizes the available spectrum band. The key characteristic of CR system is to sense the electromagnetic environment to adapt their operation and dynamically vary its radio operating parameters.…

Networking and Internet Architecture · Computer Science 2013-09-27 Anita Garhwal , Partha Pratim Bhattacharya

Cognitive radio (CR) is an important technique for improving spectral efficiency, letting a secondary system operate in a wireless spectrum when the primary system does not make use of it. While it has been widely explored over the past 25…

Systems and Control · Electrical Eng. & Systems 2025-10-13 Omer Gokalp Serbetci , Lei Chu , Andreas F. Molisch

Cognitive radio is an intelligent radio that can be programmed and configured dynamically to fully use the frequency resources that are not used by licensed users. It defines the radio devices that are capable of learning and adapting to…

Machine Learning · Computer Science 2014-10-14 Peter Hossain , Adaulfo Komisarczuk , Garin Pawetczak , Sarah Van Dijk , Isabella Axelsen

We introduce "Wireless 2.0": The future generation of wireless communication networks, where the radio environment becomes controllable, programmable, and intelligent by leveraging the emerging technologies of reconfigurable metasurfaces…

Signal Processing · Electrical Eng. & Systems 2020-02-26 Haris Gacanin , Marco Di Renzo

Cognitive radio (CR) is considered as a key enabling technology for dynamic spectrum access to improve spectrum efficiency. Although the CR concept was invented with the core idea of realizing cognition, the research on measuring CR…

Networking and Internet Architecture · Computer Science 2018-03-21 Monireh Dabaghchian , Amir Alipour-Fanid , Songsong Liu , Kai Zeng , Xiaohua Li , Yu Chen

Nowadays, It has been shown that spectrum scarcity increased due to tremendous growth of new players in wireless base system by the evolution of the radio communication. Resent survey found that there are many areas of the radio spectrum…

Networking and Internet Architecture · Computer Science 2010-07-15 Santosh Kumar Singh , Krishna Chandra Roy , Vibhakar Pathak

Cognitive Radios (CRs) build upon Software Defined Radios (SDRs) to allow for autonomous reconfiguration of communication architectures. In recent years, CRs have been identified as an enabler for Dynamic Spectrum Access (DSA) applications…

Signal Processing · Electrical Eng. & Systems 2024-04-02 William H. Clark , Joseph M. Ernst , Robert W. McGwier

With the development of the 5G and Internet of Things, amounts of wireless devices need to share the limited spectrum resources. Dynamic spectrum access (DSA) is a promising paradigm to remedy the problem of inefficient spectrum utilization…

Networking and Internet Architecture · Computer Science 2021-06-18 Xiang Tan , Li Zhou , Haijun Wang , Yuli Sun , Haitao Zhao , Boon-Chong Seet , Jibo Wei , Victor C. M. Leung

This paper studies the wireless spectrum sharing between a pair of distributed primary radio (PR) and cognitive radio (CR) links. Assuming that the PR link adapts its transmit power and/or rate upon receiving an interference signal from the…

Information Theory · Computer Science 2015-03-13 Rui Zhang

Green energy powered cognitive radio (CR) network is capable of liberating the wireless access networks from spectral and energy constraints. The limitation of the spectrum is alleviated by exploiting cognitive networking in which wireless…

Networking and Internet Architecture · Computer Science 2014-08-07 Xueqing Huang , Tao Han , Nirwan Ansari

Cognitive Radio (CR) systems, which dynamically adapt to changing spectrum environments, could benefit significantly from advancements in machine learning technologies. These systems can be enhanced in terms of spectral efficiency,…

Machine Learning · Computer Science 2026-01-16 Andrea Melis , Andrea Piroddi , Roberto Girau

Cognitive radio (CR) is an effective solution to improve the spectral efficiency (SE) of wireless communications by allowing the secondary users (SUs) to share spectrum with primary users. Meanwhile, intelligent reflecting surface (IRS),…

Signal Processing · Electrical Eng. & Systems 2019-12-24 Jie Yuan , Ying-Chang Liang , Jingon Joung , Gang Feng , Erik G. Larsson

Future wireless networks are expected to constitute a distributed intelligent wireless communications, sensing, and computing platform, which will have the challenging requirement of interconnecting the physical and digital worlds in a…

‹ Prev 1 2 3 10 Next ›