Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Paaso, Henna"'
Autor:
Paaso, Henna
Publikováno v:
Paaso, H 2018, ' Direction of arrival estimation algorithms for leaky-wave antennas and antenna arrays : Dissertation ', Doctor Degree, University of Oulu . < http://urn.fi/urn:isbn:9789526220741 >
The focus of this thesis is to study direction of arrival (DoA) estimation algorithms for reconfigurable leaky-wave antennas and advanced antenna arrays. Directional antennas can greatly improve the spectrum reuse, interference avoidance, and object
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=355e65625b88::87d95a67ffd68e298f83e63234065648
https://cris.vtt.fi/en/publications/a7b9cb60-59c8-44d9-bcaf-4e65b82f8e4a
https://cris.vtt.fi/en/publications/a7b9cb60-59c8-44d9-bcaf-4e65b82f8e4a
Autor:
Paaso, Henna, Hakkarainen, Aki, Gulati, Nikhil, Patron, Damiano, Dandekar, Kapil R., Valkama, Mikko, Mämmelä, Aarne
Publikováno v:
International Journal of Antennas and Propagation, Vol 2017 (2017)
Paaso, H, Hakkarainen, A, Gulati, N, Patron, D, Dandekar, K, Valkama, M & Mammela, A 2017, ' Experimental Results of Novel DoA Estimation Algorithms for Compact Reconfigurable Antennas ', International Journal of Antennas and Propagation, vol. 2017, no. April, 1613638 . https://doi.org/10.1155/2017/1613638
Paaso, H, Hakkarainen, A, Gulati, N, Patron, D, Dandekar, K, Valkama, M & Mammela, A 2017, ' Experimental Results of Novel DoA Estimation Algorithms for Compact Reconfigurable Antennas ', International Journal of Antennas and Propagation, vol. 2017, no. April, 1613638 . https://doi.org/10.1155/2017/1613638
Reconfigurable antenna systems have gained much attention for potential use in the next generation wireless systems. However, conventional direction-of-arrival (DoA) estimation algorithms for antenna arrays cannot be used directly in reconfigurable a
Autor:
Puttonen, Jani, Zhang, Jie, Puchko, Oleksandr, Kurjenniemi, Janne, Salaris, Paolo, Masci, Aldo, Romanato, Roberto, Di Lanzo, Domenico, Falzini, Stefano, Buchanan, Neil, Kim, Haesik, Paaso, Henna, Seppänen, Janne, Järvensivu, Pertti, Martini, Gianluca, Pagnani, Alberto, Aguilar Sánchez, Ignacio
Publikováno v:
Puttonen, J, Zhang, J, Puchko, O, Kurjenniemi, J, Salaris, P, Masci, A, Romanato, R, Di Lanzo, D, Falzini, S, Buchanan, N, Kim, H, Paaso, H, Seppänen, J, Järvensivu, P, Martini, G, Pagnani, A & Aguilar Sánchez, I 2016, Robust telemetry system for future launchers . in 2016 International Workshop on Tracking, Telemetry and Command Systems for Space Applications (TTC) . European Space Agency (ESA), 7th ESA International Workshop on Tracking, Telemetry and Command Systems for Space Applications, TTC 2016, Noordwijk, Netherlands, 13/09/16 . < https://ieeexplore.ieee.org/document/7802832 >
This article presents a consideration of a new robust telemetry (TM) system for future launchers. The main target is to increase the maximum data rate of TM system to at least 5 Mbps with improvements such as more efficient physical layer, advanced a
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=355e65625b88::f76781191e139f0a72399ed0770f52c7
https://cris.vtt.fi/en/publications/b2347c60-5075-43e6-bbf6-acc32277fe15
https://cris.vtt.fi/en/publications/b2347c60-5075-43e6-bbf6-acc32277fe15
Autor:
Anttonen, Antti, Apilo, Olli, Aurinsalo, Jouko, Boumard, Sandrine, Chen, Xianfu, Chen, Tao, Dufva, Tommi, Evesti, Antti, Hekkala, Atso, Hiivala, Mikko, Horsmanheimo, Seppo, Höyhtyä, Marko, Järvensivu, Pertti, Kim, Haesik, Kotelba, Adrian, Maskey, Niwas, Matinmikko, Marja, Mustonen, Miia, Mämmelä, Aarne, Mämmelä, Olli, Ojanperä, Tiia, Paaso, Henna, Palola, Marko, Pinola, Jarno, Piri, Esa, Rautio, Teemu, Ruponen, Sami, Sten, Johan, Suomalainen, Jani, Tuomimäki, Lotta, Vehkaperä, Janne
Publikováno v:
Lasanen, M (ed.), Anttonen, A, Apilo, O, Aurinsalo, J, Boumard, S, Chen, X, Chen, T, Dufva, T, Evesti, A, Hekkala, A, Hiivala, M, Horsmanheimo, S, Höyhtyä, M, Järvensivu, P, Kim, H, Kotelba, A, Maskey, N, Matinmikko, M, Mustonen, M, Mämmelä, A, Mämmelä, O, Ojanperä, T, Paaso, H, Palola, M, Pinola, J, Piri, E, Rautio, T, Ruponen, S, Sten, J, Suomalainen, J, Tuomimäki, L & Vehkaperä, J 2015, Critical technologies towards 5G : Research Results Report . VTT Technical Research Centre of Finland . < https://publications.vtt.fi/julkaisut/muut/2015/Critical_technologies_towards_5G.pdf >
Research and development of the fifth generation (5G) mobile networks has started strongly and European Commission sees that "5G will be the very backbone of the new digital economy." This report presents many example research results obtained in VTT
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=355e65625b88::de20c23f3d21909ab9cdd5fffe9387f0
https://cris.vtt.fi/en/publications/c6ad1c12-216c-480d-9e98-f6615a7f8309
https://cris.vtt.fi/en/publications/c6ad1c12-216c-480d-9e98-f6615a7f8309
Akademický článek
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Autor:
Paaso, Henna
Publikováno v:
Paaso, H 2010, ' Modelling and Simulation of Indirect and direct nonlinear predistortion methods for high power amplifiers : Licenciate thesis ', Licentiate Degree, University of Oulu, Oulu .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=355e65625b88::ce18d943202ed32ad139773f2448df98
https://cris.vtt.fi/en/publications/900ea43b-834b-4f74-8264-5dec9ed7bac0
https://cris.vtt.fi/en/publications/900ea43b-834b-4f74-8264-5dec9ed7bac0
Autor:
Paaso, Henna, Mämmelä, Aarne
Publikováno v:
Paaso, H & Mämmelä, A 2008, Comparison of direct learning and indirect learning predistortion architechtures . in 2008 IEEE International Symposium on Wireless Communication Systems . IEEE Institute of Electrical and Electronic Engineers, pp. 309-313 .
Power amplifiers in a communication system are inherently nonlinear. Digital predistorters can compensate these nonlinearity effects. In this paper, two memory polynomial predistorters including direct and indirect learning architectures are compared
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=355e65625b88::4a9552fb316caa24fbb188b35b2c0692
https://cris.vtt.fi/en/publications/cdecbb6c-9f99-4d77-9af8-8950230a7d76
https://cris.vtt.fi/en/publications/cdecbb6c-9f99-4d77-9af8-8950230a7d76
Autor:
Järvensivu, Pertti, Holmberg, Jan, Karttaavi, Timo, Kiviranta, Markku, Lamminen, Antti, Mämmelä, Aarne, Paaso, Henna, Säily, Jussi, Vimpari, Antti
Publikováno v:
Järvensivu, P, Holmberg, J, Karttaavi, T, Kiviranta, M, Lamminen, A, Mämmelä, A, Paaso, H, Säily, J & Vimpari, A 2006, ' Nopeampi WLAN halvemmalla : CMOS-ja LTCC-tekniikoilla 60 gigahertsin radio ', Prosessori, vol. 26, no. 11, pp. 62-63 .
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=355e65625b88::6af8ff90aa0123f80146b5c5c15c0a40
https://cris.vtt.fi/en/publications/7258d1d2-ef39-4f2a-81e3-00a3163b4ac0
https://cris.vtt.fi/en/publications/7258d1d2-ef39-4f2a-81e3-00a3163b4ac0
Autor:
Hakkarainen, Aki, Werner, Janis, Gulati, Nikhil, Patron, Damiano, Pfeil, Doug, Paaso, Henna, Mammela, Aarne, Dandekar, Kapil, Valkama, Mikko
Publikováno v:
2014 9th International Conference on Cognitive Radio Oriented Wireless Networks & Communications (CROWNCOM); 2014, p454-459, 6p
Publikováno v:
8th International Conference on Cognitive Radio Oriented Wireless Networks; 2013, p166-171, 6p