Active antenna system for cognitive network enhancement

M. Heikkilä, T. Kippola, J. Jämsä, A. Nykänen, J. Keskimaula, Marja Matinmikko

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

10 Citations (Scopus)

Abstract

Cognitive Infocommunications (CogInfo Com) studies the connections between infocommunications and cognitive experiences. This paper presents a practical performance evaluation of an active antenna system (AAS) based on tests performed in a field trial environment with a cellular high-speed packet access (HSPA) network. Cellular networks face the challenges of constantly growing data traffic and demands to reduce network costs, which call for new approaches for optimizing network performance. The demands in different parts of the cellular network change because of the spatially and temporarily varying usage characteristics. An AAS can offer a solution to these demands with flexible beamforming to respond to the changing situations in the network. This study shows that the AAS can gain improvements in system performance in terms of achievable throughputs. The spatial cell isolation needs to be taken care of in order to maintain optimal system operation by avoiding inter-cell interference. Since the changing radio network requires continuous optimization, an AAS needs intelligent control for full advantage. This can be accomplished with cognitive decision making by exploiting Self-Organizing Networks (SON) features. Later, network performance optimization with an AAS could use "cognitive engines" to intelligently add sectors where capacity is needed and switch them off when the capacity demand decreases. Cognition combined with an AAS could optimize the network and adjust the AAS parameters according to different needs in the changing environment.
Original languageEnglish
Title of host publication5th IEEE Conference on Cognitive Infocommunications (CogInfoCom) 2014
Subtitle of host publicationProceedings
PublisherInstitute of Electrical and Electronic Engineers IEEE
Pages19-24
ISBN (Print)978-147997280-7
DOIs
Publication statusPublished - 2014
MoE publication typeA4 Article in a conference publication
EventIEEE 5th International Conference on Cognitive Infocommunications, CogInfoCom 2014 - Vietri sul Mare, Italy
Duration: 5 Nov 20147 Nov 2014

Conference

ConferenceIEEE 5th International Conference on Cognitive Infocommunications, CogInfoCom 2014
Abbreviated titleCogInfoCom 2014
CountryItaly
CityVietri sul Mare
Period5/11/147/11/14

Fingerprint

Antennas
Network performance
Optimal systems
Intelligent control
Beamforming
Decision making
Switches
Throughput
Engines
Costs

Keywords

  • active antenna system
  • veamforming
  • drive test
  • HSPA
  • vertical sectorization
  • cognitive engine

Cite this

Heikkilä, M., Kippola, T., Jämsä, J., Nykänen, A., Keskimaula, J., & Matinmikko, M. (2014). Active antenna system for cognitive network enhancement. In 5th IEEE Conference on Cognitive Infocommunications (CogInfoCom) 2014: Proceedings (pp. 19-24). Institute of Electrical and Electronic Engineers IEEE. https://doi.org/10.1109/CogInfoCom.2014.7020452
Heikkilä, M. ; Kippola, T. ; Jämsä, J. ; Nykänen, A. ; Keskimaula, J. ; Matinmikko, Marja. / Active antenna system for cognitive network enhancement. 5th IEEE Conference on Cognitive Infocommunications (CogInfoCom) 2014: Proceedings. Institute of Electrical and Electronic Engineers IEEE, 2014. pp. 19-24
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Heikkilä, M, Kippola, T, Jämsä, J, Nykänen, A, Keskimaula, J & Matinmikko, M 2014, Active antenna system for cognitive network enhancement. in 5th IEEE Conference on Cognitive Infocommunications (CogInfoCom) 2014: Proceedings. Institute of Electrical and Electronic Engineers IEEE, pp. 19-24, IEEE 5th International Conference on Cognitive Infocommunications, CogInfoCom 2014, Vietri sul Mare, Italy, 5/11/14. https://doi.org/10.1109/CogInfoCom.2014.7020452

Active antenna system for cognitive network enhancement. / Heikkilä, M.; Kippola, T.; Jämsä, J.; Nykänen, A.; Keskimaula, J.; Matinmikko, Marja.

5th IEEE Conference on Cognitive Infocommunications (CogInfoCom) 2014: Proceedings. Institute of Electrical and Electronic Engineers IEEE, 2014. p. 19-24.

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

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AB - Cognitive Infocommunications (CogInfo Com) studies the connections between infocommunications and cognitive experiences. This paper presents a practical performance evaluation of an active antenna system (AAS) based on tests performed in a field trial environment with a cellular high-speed packet access (HSPA) network. Cellular networks face the challenges of constantly growing data traffic and demands to reduce network costs, which call for new approaches for optimizing network performance. The demands in different parts of the cellular network change because of the spatially and temporarily varying usage characteristics. An AAS can offer a solution to these demands with flexible beamforming to respond to the changing situations in the network. This study shows that the AAS can gain improvements in system performance in terms of achievable throughputs. The spatial cell isolation needs to be taken care of in order to maintain optimal system operation by avoiding inter-cell interference. Since the changing radio network requires continuous optimization, an AAS needs intelligent control for full advantage. This can be accomplished with cognitive decision making by exploiting Self-Organizing Networks (SON) features. Later, network performance optimization with an AAS could use "cognitive engines" to intelligently add sectors where capacity is needed and switch them off when the capacity demand decreases. Cognition combined with an AAS could optimize the network and adjust the AAS parameters according to different needs in the changing environment.

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PB - Institute of Electrical and Electronic Engineers IEEE

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Heikkilä M, Kippola T, Jämsä J, Nykänen A, Keskimaula J, Matinmikko M. Active antenna system for cognitive network enhancement. In 5th IEEE Conference on Cognitive Infocommunications (CogInfoCom) 2014: Proceedings. Institute of Electrical and Electronic Engineers IEEE. 2014. p. 19-24 https://doi.org/10.1109/CogInfoCom.2014.7020452