Zobrazeno 1 - 10
of 19
pro vyhledávání: '"Anders Karstensen"'
Autor:
Anders Karstensen, Troels Kolding, Claudio Rosa, Luis G. Uzeda Garcia, Klaus I. Pedersen, Navin Hathiramani
Publikováno v:
IEEE Access, Vol 10, Pp 69346-69353 (2022)
This paper investigates the challenges and opportunities for assigning spectrum for private 5G networks, with particular emphasis on the 3.5 GHz band and regulation issued by the Danish spectrum authority Energistyrelsen. We are chiefly interested in
Externí odkaz:
https://doaj.org/article/e867dd6aff3c434abfd8da2798e397ac
Autor:
Roberto Maldonado, Anders Karstensen, Guillermo Pocovi, Ali A. Esswie, Claudio Rosa, Olli Alanen, Mika Kasslin, Troels Kolding
Publikováno v:
IEEE Access, Vol 9, Pp 86928-86937 (2021)
The use of wireless communications in Industrial Internet of Things (IIoT) enables unparalleled levels of flexibility and instantaneous reconfiguration for autonomous industrial processes. In this paper, the focus is on optimizing and evaluating Wi-F
Externí odkaz:
https://doaj.org/article/b4a873f53be64da0b5800f5874f8d2e1
Autor:
Jesper Odum Nielsen, Anders Karstensen, Patrick C. F. Eggers, Elisabeth De Carvalho, Gerhard Steinbock, Martin Alm
Publikováno v:
IEEE Access, Vol 8, Pp 193644-193654 (2020)
This paper analyzes the performance of well-known precoding schemes for massive multiple-input multiple-output (MMIMO) systems. The investigations are based on extensive measurements made with a sounding system capable of capturing the dynamic channe
Externí odkaz:
https://doaj.org/article/2de7e925318a47e6956c8176d87b8753
Publikováno v:
International Journal of Antennas and Propagation, Vol 2018 (2018)
Ray tracing- (RT-) assisted beamforming, where beams are directly steered to dominant paths tracked by ray tracing simulations, is a promising beamforming strategy, since it avoids the time-consuming exhaustive beam searching adopted in conventional
Externí odkaz:
https://doaj.org/article/c190bd8823224be09f5b5d9d5134c49e
Autor:
Andreas Fink, Rasmus Suhr Mogensen, Ignacio Rodriguez, Troels Kolding, Anders Karstensen, Guillermo Pocovi
Publikováno v:
Fink, A, Mogensen, R S, Rodriguez, I, Kolding, T, Karstensen, A & Pocovi, G 2022, Radio-Aware Multi-Connectivity Solutions based on Layer-4 Scheduling for Wi-Fi in IIoT Scenarios . in 2022 IEEE Wireless Communications and Networking Conference, WCNC 2022 . IEEE, I E E E Wireless Communications and Networking Conference. Proceedings, pp. 1821-1826, IEEE Wireless Communications and Networking Conference, Austin, United States, 10/04/2022 . https://doi.org/10.1109/WCNC51071.2022.9771995
Due to mobility and interference, using enterprise Wi-Fi for communication in industrial networks can result in control loop latencies exceeding 100 ms for at least 0.1% of the time, even in those cases where Wi-Fi handover-specific parameters have b
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::50744c945aa38d2757e4d68b90ac8190
https://vbn.aau.dk/da/publications/cc020af1-a68e-4f6d-829f-eaf40ecf06d2
https://vbn.aau.dk/da/publications/cc020af1-a68e-4f6d-829f-eaf40ecf06d2
Autor:
Gert Frølund Pedersen, Gerhard Steinbock, Elisabeth de Carvalho, Anders Karstensen, Jesper Ødum Nielsen, Patrick Claus F. Eggers, Martin Alm
Publikováno v:
Karstensen, A, Nielsen, J Ø, Eggers, P C F, De Carvalho, E, Pedersen, G F, Alm, M & Steinbock, G 2022, ' Multi-User Spatial Consistency Analysis of Outdoor Massive-MIMO Measurements ', I E E E Transactions on Antennas and Propagation, vol. 70, no. 1, pp. 680-691 . https://doi.org/10.1109/TAP.2021.3111411
This article presents a massive multiple-input multiple-output (MMIMO) outdoor measurement campaign with bidirectional angular discrimination. Two dynamic user arrays of eight elements each are measured simultaneously. Multiuser consistency and spati
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4bde7085084ad2528570d84215db18cc
https://vbn.aau.dk/da/publications/eace6afc-1047-4265-ac14-8a6b332949e0
https://vbn.aau.dk/da/publications/eace6afc-1047-4265-ac14-8a6b332949e0
Autor:
Martin Alm, Gerhard Steinbock, Jesper Odum Nielsen, Patrick Claus F. Eggers, Anders Karstensen, Elisabeth de Carvalho
Publikováno v:
Nielsen, J Ø, Karstensen, A, Eggers, P C F, De Carvalho, E, Steinböck, G & Alm, M 2020, ' Precoding for TDD and FDD in Measured Massive MIMO Channels ', IEEE Access, vol. 8, 9235534, pp. 193644-193654 . https://doi.org/10.1109/ACCESS.2020.3033166
IEEE Access, Vol 8, Pp 193644-193654 (2020)
IEEE Access, Vol 8, Pp 193644-193654 (2020)
This paper analyzes the performance of well-known precoding schemes for massive multiple-input multiple-output (MMIMO) systems. The investigations are based on extensive measurements made with a sounding system capable of capturing the dynamic channe
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::983b4c5b623a1598d2b0e64794ad5400
https://vbn.aau.dk/da/publications/3e143f97-592d-4a27-bf3a-ba19fd9c577a
https://vbn.aau.dk/da/publications/3e143f97-592d-4a27-bf3a-ba19fd9c577a
Autor:
Gert Frølund Pedersen, Martin Alm, Gerhard Steinbock, Patrick Claus F. Eggers, Jesper Odum Nielsen, Elisabeth de Carvalho, Anders Karstensen
Publikováno v:
Karstensen, A, Nielsen, J Ø, Eggers, P C F, De Carvalho, E, Pedersen, G F, Alm, M & Steinbock, G 2020, ' Multiuser Correlation and Sum-Rate in Outdoor Measured Massive MIMO Channels ', I E E E Antennas and Wireless Propagation Letters, vol. 19, no. 3, 8970373, pp. 433-437 . https://doi.org/10.1109/LAWP.2020.2969496
This letter analyzes the impact of interuser distance and angular separation on the channel correlation and achievable sum-rate for a massive multiple-input-multiple-output (MIMO) system in non-line-of-sight (NLOS) conditions. The investigation is ba
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::53cc69184c14d9bf0c17504122145614
https://vbn.aau.dk/ws/files/321648551/Multi_User_Correlation_and_Sum_Rate_in_Outdoor_Measured_Massive_MIMO_Channels.pdf
https://vbn.aau.dk/ws/files/321648551/Multi_User_Correlation_and_Sum_Rate_in_Outdoor_Measured_Massive_MIMO_Channels.pdf
Publikováno v:
Di Paola, C, Karstensen, A, Fan, W & Pedersen, G F 2018, ' OTA Evaluation of Mobile Phone Antenna Performance for VoLTE [Measurements Corner] ', I E E E Antennas and Propagation Magazine, vol. 60, no. 2, pp. 122-130 . https://doi.org/10.1109/MAP.2017.2778681
This article compares the over-the-air (OTA) performance of tradit ional voice service and voice-over LTE (VoLTE). We present the results of the OTA measurements of the antenna performance of 22 mobile phones commonly used over the last two years. Vo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bb04390d05235120f2b9d1a428be446
https://doi.org/10.1109/map.2017.2778681
https://doi.org/10.1109/map.2017.2778681
Autor:
Ines Carton, Tommi Jamsa, Gert Frølund Pedersen, Pekka Kyosti, Wei Fan, Mattias Gustafsson, Anders Karstensen
Publikováno v:
Fan, W, Carton, I, Kyosti, P, Karstensen, A, Jamsa, T, Gustafsson, M & Pedersen, G F 2017, ' A Step Toward 5G in 2020 : Low-cost OTA performance evaluation of massive MIMO base stations. ', IEEE Antennas and Propagation Magazine, vol. 59, no. 1, 7797463, pp. 38-47 . https://doi.org/10.1109/MAP.2016.2630020
Massive multiple-input, multiple-output (MIMO) is seen as an enabling technology to fulfill dramatic improvements in spectral efficiency for fifth-generation (5G) deployment in 2020. For massive MIMO systems, the learning loop from early-stage protot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fe778f7d477cee9fb1be65eb2e79a1df
https://doi.org/10.1109/map.2016.2630020
https://doi.org/10.1109/map.2016.2630020