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2015
7 Citations (Scopus)

Secure beamforming for cognitive radio networks with artificial noise

Wu, Y., Chen, X. & Chen, X., 2015, Wireless Communications & Signal Processing (WCSP), 2015 International Conference on. IEEE Institute of Electrical and Electronic Engineers , p. 1-5

Research output: Chapter in Book/Report/Conference proceedingConference article in proceedingsScientificpeer-review

Cognitive radio
Beamforming
Antennas
Optimal design
109 Citations (Scopus)

Software defined mobile networks: concept, survey, and research directions

Chen, T., Matinmikko, M., Chen, X., Zhou, X. & Ahokangas, P., 2015, In : IEEE Communications Magazine. 53, 11, p. 126-133

Research output: Contribution to journalArticleScientificpeer-review

Wireless networks
Internet
Network management
Network architecture
Telecommunication traffic

Spectrum occupancy measurements in the 2.3-2.4 GHz band: Guidelines for licensed shared access in Finland

Höyhtyä, M., Matinmikko, M., Chen, X., Hallio, J., Auranen, J., Ekman, R., Röning, J., Engelberg, J., Kalliovaara, J., Taher, T., Riaz, A. & Roberson, D., 2015, In : EAI Endorsed Transactions on Cognitive Communications. 1, 2, 11 p., e2.

Research output: Contribution to journalArticleScientificpeer-review

Open Access
Mobile telecommunication systems
Standardization
Economics
Communication
3 Citations (Scopus)

Use of databases for dynamic spectrum management in cognitive satellite systems

Höyhtyä, M., Ylitalo, J., Chen, X. & Mämmelä, A., 2015, Cooperative and Cognitive Satellite Systems. Academic Press, p. 453-480

Research output: Chapter in Book/Report/Conference proceedingChapter or book articleProfessional

Satellites