Zobrazeno 1 - 6
of 6
pro vyhledávání: '"Per Ligander"'
Autor:
Jonas Gustavsson, Per Ligander, Dimitris Siomos, Mikael Horberg, Martin Sjodin, Daniel Sjöberg, Dimitris Polydorou, Jan Sandberg, Cristian Bogdan Czegledi, Jonas Hansryd
Publikováno v:
2020 IEEE/MTT-S International Microwave Symposium (IMS).
Wireless backhaul using line-of-sight MIMO (LOS-MIMO) has the potential to support the increased data-rate demands brought by the introduction of the fifth generation of mobile access technology. In this paper, we present results from an outdoor 1.5-
Publikováno v:
RWS
Line-of-sight MIMO (LOS-MIMO) has the potential to greatly improve the capacity and spectral efficiency of microwave links in backhaul networks. In this paper we present results from an outdoor experiment with a single polarization LOS-MIMO system wi
Autor:
Herbert Zirath, Thomas Emanuelsson, Per Ligander, Mikael Horberg, Szhau Lai, Dan Kuylenstierna
Publikováno v:
IEEE Microwave and Wireless Components Letters. 27:46-48
This letter presents a radio frequency micro-electromechanical systems (RF-MEMS) tuned cavity oscillator for X-band. The active part of the oscillator is implemented in GaN-HEMT MMIC technology. The RF-MEMS-switches are realized on a quartz substrate
Autor:
Per Ligander, Katarina Boustedt
Publikováno v:
2013 IEEE 63rd Electronic Components and Technology Conference.
By extending the wireless backhaul network to higher frequencies, more bandwidth is available, enabling the higher capacity microwave radio links, to accommodate the increase in traffic from, for example, data use in smartphones. Products for the E-b
Autor:
Fabrizio Cacciamani, Ove Persson, Per Ligander, Roberto Sorrentino, Luca Pelliccia, Paola Farinelli
Publikováno v:
2012 42nd European Microwave Conference.
This paper presents the first experimental results of innovative MEMS-tunable waveguide filters showing very high Q (>1000) in K-band. Ohmic RF-MEMS cantilever switches are used to connect printed line sections placed over the side wall of a TE101 mo
Autor:
Paul Hallbjörner, Camilla Kärnfelt, Herbert Zirath, Per Ligander, Arne Alping, Katarina Boustedt
Publikováno v:
2005 European Microwave Conference.
A 60 GHz design comprising a three-stage pHEMT amplifier integrated with a high gain antenna on an alumina substrate is presented. The amplifier has 18 dB gain, and the antenna a directivity of 14 dBi. The amplifier is ribbon bonded to the substrate