The DOI matches its Crossref record; 27 of the 27 references it cites were found in a registry or an index.
Collaborative wideband sensing for cognitive radios
Open accessAbstract
Cognitive radio (CR) has recently emerged as a promising technology to revolutionize spectrum utilization in wireless communications. In a CR network, secondary users continuously sense the spectral environment and adapt transmission parameters to opportunistically use the available spectrum. A fundamental problem for CRs is spectrum sensing; secondary users need to reliably detect weak primary signals of possibly different types over a targeted wide frequency band in order to identify spectral holes for opportunistic communications. Conceptually and practically, there is growing awareness that collaboration among several CRs can achieve considerable performance gains. This article provides an overview of the challenges and possible solutions for the design of collaborative wideband sensing in CR networks. It is argued that collaborative spectrum sensing can make use of signal processing gains at the physical layer to mitigate strict requirements on the radio frequency front-end and to exploit spatial diversity through network cooperation to significantly improve sensing reliability.
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Cognitive radio: brain-empowered wireless communications
Haykin, S. (2005) · IEEE Journal on Selected Areas in Communications · doi:10.1109/jsac.2004.839380 · Cited by 11,916
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An Introduction to Signal Detection and Estimation
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Self-citationSensing-Throughput Tradeoff for Cognitive Radio Networks
Liang, Y.-C., Zeng, Y., Peh, E. C. Y., & Hoang, A. T. (2008) · IEEE Transactions on Wireless Communications · doi:10.1109/twc.2008.060869 · Cited by 2,974
A Survey of Dynamic Spectrum Access
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Self-citationImplementation issues in spectrum sensing for cognitive radios
Cabric, D., Mishra, S. M., & Brodersen, R. W. (2005) · Conference Record of the Thirty-Eighth Asilomar Conference on Signals, Systems and Computers, 2004. · doi:10.1109/acssc.2004.1399240 · Cited by 2,589
Cited by
Cognitive internet of things: A new paradigm beyond connection
Wu, Q., Ding, G., Xu, Y., Feng, S., Du, Z., Wang, J., & Long, K. (2014) · IEEE Internet of Things Journal · doi:10.1109/jiot.2014.2311513 · Cited by 550
Cognitive Radio Techniques Under Practical Imperfections: A Survey
Sharma, S. K., Bogale, T. E., Chatzinotas, S., Ottersten, B., Le, L. B., & Wang, X. (2015) · IEEE Communications Surveys & Tutorials · doi:10.1109/comst.2015.2452414 · Cited by 221
Metadata
- Authors
- Quan, Z., Cui, S., Poor, H. V., & Sayed, A. H.
- Venue
- IEEE Signal Processing Magazine
- Published
- 2008-11
- Volume
- 25
- Issue
- 6
- Pages
- 60-73
- ISSN
- 1053-5888 (ISSN-L)
- 1558-0792
- OpenAlex
- W2124590431
- Cited by
- 375
- References
- 27
- FWCI
- 72.98
- Type
- journal article
- Language
- en
- Open access
- green
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