期刊
IEICE TRANSACTIONS ON COMMUNICATIONS
卷 E104B, 期 10, 页码 1207-1216出版社
IEICE-INST ELECTRONICS INFORMATION COMMUNICATION ENGINEERS
DOI: 10.1587/transcom.2020DSI0002
关键词
cognitive radio; spectrum sensing; compressed sensing; machine learning
资金
- Engineering and Physical Sciences Research Council in United Kingdom [EP/R00711X/2]
This paper highlights the importance of cognitive radio in addressing spectrum scarcity, reviews spectrum sensing and learning algorithms, and discusses the application of sub-sampling framework and recovery algorithms based on compressed sensing theory in 5G and 6G communication systems. The paper also investigates recent progress in machine learning for spectrum sensing technology.
Cognitive radio provides a feasible solution for alleviating the lack of spectrum resources by enabling secondary users to access the unused spectrum dynamically. Spectrum sensing and learning, as the fundamental function for dynamic spectrum sharing in 5G evolution and 6G wireless systems, have been research hotspots worldwide. This paper reviews classic narrowband and wideband spectrum sensing and learning algorithms. The sub-sampling framework and recovery algorithms based on compressed sensing theory and their hardware implementation are discussed under the trend of high channel bandwidth and large capacity to be deployed in 5G evolution and 6G communication systems. This paper also investigates and summarizes the recent progress in machine learning for spectrum sensing technology.
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