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Introduction
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Digital Video Broadcast - Satellite to Handheld (DVB-SH) is an
efficient approach for providing mobile broadcasting services in S-band
(mobile TV) by using an hybrid infrastructure including satellite and
terrestrial repeaters.
The J-ORTIGIA project aims at providing DVB-SH
technology trials in Italy, Spain and Japan from May 2008 to April
2009. The J-ORTIGIA consortium integrates partners from the whole value
chain including
- satellite and terrestrial operators (Eutelsat,
SES
Astra, Abertis Telecom)
- equipment designers and manufacturers
(Fraunhofer IIS, Kenwood, UBS)
- radio network supplier (MBI)
- research centers (DLR)
In the framework of the J-ORTIGIA project AWE
Communications will provide the coverage planning of the different
trial networks and will refine the DVB-SH module of the WinProp
planning suite. This software tool will allow future DVB-SH operators
to analyze the coverage and capacity before the deployment stage.
The J-ORTIGIA study includes development and trial activities which are
intended to conclude the analysis and definition of the system and
network architecture. For the purpose of the trials the W2A satellite
will be used as well as the ETS-8 satellite in Japan. In order to
provide urban and indoor coverage, the
trial activities will include the
deployment of terrestrial
repeaters in the urban areas of Pisa, Lucca, Barcelona and Tokyo.
Accordingly the DVB-SH
trials will be performed in Italy, Spain, and
Japan.
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Contribution
of AWE Communications
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AWE
Communications refines the planning tool for DVB-SH considering the
satellite as well as the terrestrial repeater
segment in the framework of the J-ORTIGIA project in collaboration with
the partners and partly funded by ESA.
The DVB-SH radio network planning tool allows the investigation of the
DVB-SH performance in terms of coverage and system margin for
different satellite and terrestrial repeater configurations within
various environments (rural,
urban,
and indoor).
Based on the accurate prediction of the satellite and
repeater (gap-filler) links in terms of path loss delay profiles by
using deterministic ray-optical
wave propagation models the defined DVB-SH network is evaluated.
The
calculation of the different path loss delay profiles forms the basis
for the DVB-SH system
simulation. Besides the refinement of the DVB-SH
radio planning tool AWE is responsible for the radio planning of the
different trial networks.
Radio Planning of Trial Networks in
Tuscany, Barcelona and Tokyo:
For the planning of
the trials in the Tuscany area including the cities of Pisa and Lucca
coverage predictions of the different possible sites (e.g. Monte Serra)
are computed by using the:
The following figures
show the considered database of the Lucca scenario and a coverage
prediction for the Monte Serra repeater
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Database
of considered Lucca area
(incl.
3D building and topographical data)
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Prediction
of received power
for
the Monte Serra repeater
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For the planning of
the trials in Barcelona also a TV tower site (Coserolla tower) and
different sites located in the urban area are considered. The following
figures
show the considered database of the Barcelona scenario and a coverage
prediction for the urban sites visualized in Google Earth.
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Database
of considered Barcelona area
(topographical
data)
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Prediction
of received power
in
Barcelona city center based on two urban sites
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In
Tokyo different sites located in the urban area are evaluated, taking
into account the selected architecture concerning the RF configuration
(transmitter, antenna). The following
figures
show the considered database of the Tokyo scenario and a coverage
prediction for the urban sites visualized in Google Earth.
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Scenario
of considered Tokyo area
(topographical
and clutter data)
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Prediction
of received power in Tokyo area
based on two urban sites visualized in Google Earth
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Download
a brochure with
information about the DVB-SH Module.
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Download
an application note to
DVB-SH Network Planning.
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Read
more about the ORTIGIA
project
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Read
more about satellite propagation models.
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Read
scientific publications related to DVB-SH.
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J-ORTIGIA is the
successor of the
ORTIGIA project
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