The stream adaptation block and GSE deframer blocks then remove the BB header and decapsulate back into Ethernet packets, respectively. Through its own header, the PL framer creates the start of frame followed by information used to decode the entire FEC frame. These reports can be exported to the CSV format for documentation and archiving purposes and easily processed in MS Office programs. A block diagram of our E2IQ core is shown in Figure 3. Challenges The experiments assess and provide results on the critical aspects of the operation of DVB-S2 by satellite in terms of functional behaviour and performance. Objectives The main objective of the DVB-S2 Satellite Experiment project is to perform an in-depth verification and optimisation by satellite of the many new features present in the DVB-S2 standard, such as high order modulations, enhanced coding and ACM, through extensive test campaigns consisting of field trials and measurements. The project now concentrates on the test campaigns in lab and by satellite:
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The space and ground segment and other test equipment are specified in detail together with the link budgets.
DVB-xx tests for set-top boxes
The project now concentrates on the test campaigns in lab and by satellite:. The focus of current efforts is use of non linear pre-compensation tests of high-order modulation at 16APSK and 32APSK operation at near transponder saturation levels.
The detailed list of experiments has been defined to get the most consistent and valuable feedback for the verification of the new features of the DVB-S2 standard. Additionally, modem control configures the modulation block to use the appropriate symbol rate.
The key topics are: Contractor Portals esa-p daptiv esa-star emits. Current status Phase 1 has been completed successfully, with the detailed definition of the rvb, the test-bed equipment and space and ground segments. The IO Output marker control is enabled, with all supported markers in the following default states:.
The key topics are:. The experiments assess and provide results on the critical aspects of the operation of DVB-S2 by satellite in terms of functional behaviour and performance. To enable us to optimize our website for you, cookies may be saved on your computer when you visit our website in order to analyze website browsing habits.
Results are reported and published in several dissemination documents, including a feedback to the standardisation group and an article for a conference.
Telesat Canada Canada http: The test cases have a modular structure fvb can be documented in easy-toreproduce, editable reports. The outcome of the experiments will concern primarily the operators wishing to move to DVB-S2 for their applications HDTV, interactive and professional services, etc.
The stream adaptation block and GSE deframer blocks then remove the BB header and decapsulate back into Ethernet packets, respectively. Master Setup Fade ext in Fader Setup. Three platforms corresponding to the main profiles of the DVB-S2 standard – broadcast, interactive and professional – are set up to achieve the following objectives:.
Integration is on-going on this second phase.
Lopback experiment’s feedback should also be interesting for standardisation groups, space agencies and institutions, academics and equipment manufacturers working on the DVB-S2 subject. The second and final part of test campaign will use commercial grade equipment with advanced Quality of Service traffic shaping device controlled by the network management system upgraded for ACM operation.
[linux-dvb] AW: Re: Software-only Loopback DVB
The project now concentrates on the test campaigns in lab and by satellite: The three test platforms are based on the DVB-S2 end-to-end communication chains that include gateway hubs and user equipment receivers, set-top boxesand the operator’s space and ground segments. Taking into account outcomes from previous analysis, simulations and studies, as well as operators experience feedback and perspectives on DVB-S2, the main test areas are:.
Looks like you’re from the United States. Many different parameters can be set and monitored. Many different types of measurements, including the bit error rate BERare possible. This test system enables users in development or production to test and assess compliance with the various specifications, as well as the DUTs’ operability and the RF characteristics. Most but not all modes of signal generation seen under the MXG’s Mode key are supported.
Change your location X. On the SDR implementation, the average performance gap of 0. Phase 1 has been completed successfully, with the detailed definition of the experiments, the test-bed equipment and space and ground segments.
Taking into account outcomes from previous analysis, simulations and studies, as well as operators experience feedback and perspectives on DVB-S2, the main test areas are: The following theoretical performance gains are expected to be obtained in real satellite operation:.