Wideband Channel Characterization for Low-Elevation Satellites in L-Band

The results of a wideband measurement campaign carried out at L-band in order to characterize the receiver end of the radio link between satellites with elevations lower than 5° and mobile receivers are summarized in this paper. A swept time-delay cross-correlation (STDCC) channel sounder with 1.675...

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Bibliographic Details
Published in:IEEE transactions on antennas and propagation 2013-04, Vol.61 (4), p.2231-2240
Main Authors: Iglesias, D. R., Sanchez, M. G.
Format: Article
Language:English
Subjects:
Applied sciences
Bandwidth
Coherence bandwidth
Delay
delay spread
Equipments and installations
Exact sciences and technology
land mobile satellite (LMS)
Mobile radiocommunication systems
multipath channels
Noise
Radiocommunications
Radiorelay links
Receivers
Satellite broadcasting
satellite propagation
Satellites
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Transmission and modulation (techniques and equipments)
Transmitters
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Description
Summary:The results of a wideband measurement campaign carried out at L-band in order to characterize the receiver end of the radio link between satellites with elevations lower than 5° and mobile receivers are summarized in this paper. A swept time-delay cross-correlation (STDCC) channel sounder with 1.675-GHz carrier frequency and 12.5-ns delay resolution was used to obtain complex low-pass impulse responses of the propagation channel in urban, suburban, rural, lightly wooded, and heavily wooded environments. Delay spreads and coherence bandwidths have been obtained and studied according to three different propagation conditions. Results show how shadowing and blockage together with the propagation environment impact on the delay spread and the coherence bandwidth.
ISSN:0018-926X
1558-2221
DOI:10.1109/TAP.2012.2236292