Zobrazeno 1 - 9
of 9
pro vyhledávání: '"Johannes Hejselbaek"'
Autor:
Panawit Hanpinitsak, Kentaro Saito, Wei Fan, Johannes Hejselbaek, Jun-Ichi Takada, Gert Frolund Pedersen
Publikováno v:
IEEE Access, Vol 7, Pp 75420-75433 (2019)
This paper presents an analysis of geometry-based cluster frequency dependency at super-high-frequency bands, including 3, 10, and 28 GHz. First, multipath components were extracted from the measured data by using the space-alternating generalized ex
Externí odkaz:
https://doaj.org/article/5e0a9682fa424a1d82e19ff4228ec43c
Publikováno v:
IEEE Access, Vol 6, Pp 54052-54063 (2018)
This paper presents continuous-wave power measurements conducted in forest terrain with a focus on path-loss in a device-to-device (D2D) communication scenario. The measurements are performed at 917.5 MHz with measurement ranges extending to more tha
Externí odkaz:
https://doaj.org/article/bfa20021d1e24b4ebf30367f1747e09e
Autor:
Panawit Hanpinitsak, Gert Frølund Pedersen, Wei Fan, Johannes Hejselbaek, Kentaro Saito, Jun-ichi Takada
Publikováno v:
HANPINITSAK, P, Kentaro, S, Fan, W, Hejselbaek, J, Takada, J & Pedersen, G F 2020, Cluster Intensity and Spread Characteristics in Classroom Scenario at 10 and 28 GHz Bands . in 2020 14th European Conference on Antennas and Propagation (EuCAP) ., 9135687, IEEE, Porceedings of the IEEE European Conference on Antennas and Propagation (EuCAP), 14th European Conference on Antennas and Propagation, Copenhagen, Denmark, 15/03/2020 . https://doi.org/10.23919/EuCAP48036.2020.9135687
This paper discusses the cluster spreads and scattering intensity (SI) characteristics at 10 and 28 GHz band in a typical classroom environment. The multi-path components (MPCs) were calculated from the measurement data using space-alternating genera
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2e6ca61b5c214cd45fd7cf3137d98d92
https://vbn.aau.dk/da/publications/6ad799a2-3147-4865-a444-3a99c574da85
https://vbn.aau.dk/da/publications/6ad799a2-3147-4865-a444-3a99c574da85
Publikováno v:
Hejselbæk, J, Nielsen, J Ø, Fan, W & Pedersen, G F 2018, ' Empirical Study of Near Ground Propagation in Forest Terrain for Internet-of-Things type Device-to-Device Communication ', IEEE Access, vol. 6, 8468151, pp. 54052-54063 . https://doi.org/10.1109/ACCESS.2018.2871368
IEEE Access, Vol 6, Pp 54052-54063 (2018)
IEEE Access, Vol 6, Pp 54052-54063 (2018)
This paper presents continuous-wave power measurements conducted in forest terrain with a focus on path-loss in a device-to-device (D2D) communication scenario. The measurements are performed at 917.5 MHz with measurement ranges extending to more tha
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50e1015bf61f053b8978df59555042fa
https://doi.org/10.1109/access.2018.2871368
https://doi.org/10.1109/access.2018.2871368
Publikováno v:
Hejselbæk, J, Nielsen, J Ø, Drewes, C, Fan, W & Pedersen, G F 2018, Propagation Measurements for Device-to-Device Communication in Forest Terrain . in 12th European Conference on Antennas and Propagation (EuCAP) . Institution of Engineering and Technology, 12th European Conference on Antennas and Propagation (EuCAP), London, United Kingdom, 09/04/2018 . https://doi.org/10.1049/cp.2018.0389
In this paper, we present a measurement campaign conducted in forest terrain with focus on path-loss. The aim of the measurement campaign is to study the coverage in a Device-to-Device (D2D) communication scenario. The measurement campaign was conduc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2322c9195703556b81c5f097a477ba28
https://doi.org/10.1049/cp.2018.0389
https://doi.org/10.1049/cp.2018.0389
Publikováno v:
Hejselbæk, J, Syrytsin, I A & Eggers, P C F 2018, Measurements of UWB Pulse Propagation Along a Wind Turbine Blade at 1 to 20 GHz . in 12th European Conference on Antennas and Propagation (EuCAP) . Institution of Engineering and Technology, 12th European Conference on Antennas and Propagation (EuCAP), London, United Kingdom, 09/04/2018 . https://doi.org/10.1049/cp.2018.0588
This paper describes propagation measurements of an Ultra Wide Band (UWB) pulse along a full-scale wind turbine blade. The aim is to use the UWB channel characteristics to determine the deflection of the wind turbine blade under different wind loads.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::cda9d7f7c57dfd9694e31f344b671923
https://doi.org/10.1049/cp.2018.0588
https://doi.org/10.1049/cp.2018.0588
Publikováno v:
Hejselbæk, J, Ji, Y, Fan, W & Pedersen, G F 2017, ' Channel Sounding System for MM-Wave Bands and Characterization of Indoor Propagation at 28 GHz ', International Journal of Wireless Information Networks, vol. 24, no. 3, pp. 204-216 . https://doi.org/10.1007/s10776-017-0365-0
The aim of this work is to present a vectornetwork analyzer (VNA) based channel sounding sys-tem capable of performing measurements in the rangefrom 2 to 50 GHz. Further, this paper describes anindoor measurement campaign performed at 26 to 30GHz. Th
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::68be7ae4dc3193a332e43a5febdc8f41
https://vbn.aau.dk/da/publications/324a8c71-9289-4486-918e-25654c671577
https://vbn.aau.dk/da/publications/324a8c71-9289-4486-918e-25654c671577
Publikováno v:
PIMRC
Hejselbæk, J, Fan, W & Pedersen, G F 2016, Ultrawideband VNA Based Channel Sounding System for Centimetre and Millimetre Wave Bands . in Personal, Indoor, and Mobile Radio Communications (PIMRC), 2016 IEEE 27th Annual International Symposium on . IEEE, I E E E International Symposium Personal, Indoor and Mobile Radio Communications, IEEE 27th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications-(PIMRC), Valencia, Spain, 04/09/2016 . https://doi.org/10.1109/PIMRC.2016.7794728
Hejselbæk, J, Fan, W & Pedersen, G F 2016, Ultrawideband VNA Based Channel Sounding System for Centimetre and Millimetre Wave Bands . in Personal, Indoor, and Mobile Radio Communications (PIMRC), 2016 IEEE 27th Annual International Symposium on . IEEE, I E E E International Symposium Personal, Indoor and Mobile Radio Communications, IEEE 27th Annual IEEE International Symposium on Personal, Indoor and Mobile Radio Communications-(PIMRC), Valencia, Spain, 04/09/2016 . https://doi.org/10.1109/PIMRC.2016.7794728
Channel characterization of multipath channels at centimetre and millimetre wave bands is of interest from both academia and industry, especially for the frequency bands that are under consideration for 5G mobile communication systems. In this paper,
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::561b3164529ae6fe14c22072524d7599
https://doi.org/10.1109/pimrc.2016.7794728
https://doi.org/10.1109/pimrc.2016.7794728
Publikováno v:
Hejselbæk, J, Karstensen, A & Pedersen, G F 2016, Angular Power Distribution Measurements and Modelling of Outdoor Urban Environment Using Ray-tracing At 2 and 18 GH . in 2016 10th European Conference on Antennas and Propagation (EuCAP) . IEEE, The 10th European Conference on Antennas and Propagation (EuCap), 2016, Davos, Switzerland, 10/04/2016 . https://doi.org/10.1109/EuCAP.2016.7481354
To enable the fifth generation of mobile communication (5G), understanding of the expected radio channel is needed. This knowledge will enable modelling of the radio environment for use in network planning and development. Due to this, channel measur
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7cf20d0f8570318235c7b75c1fed3f50
https://vbn.aau.dk/da/publications/cfc31569-0a4a-461d-bd39-f6297587ee4b
https://vbn.aau.dk/da/publications/cfc31569-0a4a-461d-bd39-f6297587ee4b