Experimental Validation of FSO Channel Models

2016 ◽  
pp. 69-86
Author(s):  
Ondrej Fiser ◽  
Vladimir Brazda
Keyword(s):  
Experimental Validation ◽  
Channel Models

scholarly journals Emulating Realistic Bidirectional Spatial Channels for MIMO OTA Testing

2015 ◽  
Vol 2015 ◽  
pp. 1-13 ◽  
Author(s):  
Wei Fan ◽  
Pekka Kyösti ◽  
Jesper Ø. Nielsen ◽  
Lassi Hentilä ◽  
Gert F. Pedersen
Keyword(s):  
Communication Systems ◽  
Experimental Validation ◽  
Multiple Input Multiple Output ◽  
Line Of Sight ◽  
Channel Models ◽  
Bidirectional Communication ◽  
Multiple Input ◽  
Input Multiple Output ◽  
Time Division ◽  
Space Line

This paper discusses over the air (OTA) testing for multiple input multiple output (MIMO) capable terminals with emphasis on modeling bidirectional spatial channel models in multiprobe anechoic chamber (MPAC) setups. In the literature, work on this topic has been mainly focused on how to emulate downlink channel models, whereas uplink channel is often modeled as free space line-of-sight channel without fading. Modeling realistic bidirectional (i.e., both uplink and downlink) propagation environments is essential to evaluate any bidirectional communication systems. There have been works stressing the importance of emulating full bidirectional channel and proposing possible directions to implement uplink channels in the literature. Nevertheless, there is no currently published work reporting an experimental validation of such concepts. In this paper, a general framework to emulate bidirectional channels for time division duplexing (TDD) and frequency division duplexing (FDD) communication systems is proposed. The proposed technique works for MPAC setups with arbitrary uplink and downlink probe configurations, that is, possibly different probe configurations (e.g., number of probes or their configurations) in the uplink and downlink. The simulation results are further supported by measurements in a practical MPAC setup. The proposed algorithm is shown to be a valid method to emulate bidirectional spatial channel models.

Experimental validation of the predicted TGR5 binding mode model

2015 ◽  
Vol 53 (01) ◽  
Author(s):  
L Spomer ◽  
CGW Gertzen ◽  
D Häussinger ◽  
H Gohlke ◽  
V Keitel
Keyword(s):  
Experimental Validation ◽  
Binding Mode

Experimental Validation of Factors Causing Flicker from Frequency Feedback Method with Step Injection of Reactive Power

2018 ◽  
Vol 138 (8) ◽  
pp. 651-658 ◽  
Author(s):  
Keisuke Shirasaki ◽  
Naotaka Okada ◽  
Kenichiro Sano ◽  
Hideki Iwatsuki
Keyword(s):  
Experimental Validation ◽  
Reactive Power ◽  
Feedback Method

Discrete Modeling and Experimental Validation of the Model of a Cantilever Flexible Beam

2015 ◽  
Vol 8 (2) ◽  
pp. 205
Author(s):  
Antonio Carlos de Assis Silva ◽  
João Bosco Gonçalves ◽  
Alvaro Manoel de Souza Soares
Keyword(s):  
Experimental Validation ◽  
Flexible Beam ◽  
Discrete Modeling

Experimental Validation of Conifer and Broad-Leaf Tree Classification Using High Resolution PolSAR Data above X-Band

2019 ◽  
Vol E102.B (7) ◽  
pp. 1345-1350 ◽  
Author(s):  
Yoshio YAMAGUCHI ◽  
Yuto MINETANI ◽  
Maito UMEMURA ◽  
Hiroyoshi YAMADA
Keyword(s):  
High Resolution ◽  
Experimental Validation ◽  
X Band ◽  
Broad Leaf
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