Products : DVB-T Monitoring : DVB-T Monitoring : FlexMon DVB-T Digital Terrestrial Monitoring Receiver
FlexMon DVB-T Digital Terrestrial Monitoring Receiver
Overview
The FlexMon DVB-T Digital Terrestrial Monitoring Receiver offers the opportunity to control various parameters inside the MPEG Data Stream. On one hand this monitoring can be done based on MPEG data sourced by the RF-Layer and be demodulated at the internal DVB-T receiver. On the other hand based on MPEG Data fed directly in to the unit via the ASI input interface.
An additional and special part at the DVB-T MPEG stream is the MIP (Megaframe Initializing Packets). The MIP carries timing information to synchronize all transmitters in the broadcast DVB-T network. The monitoring system is able to validate all these timing information. General errors will be figured out and alarms will occur when the timing errors frequently exceed the defined limits.
With the GPS reference the system is able to focus on SFN performance in broadcast network. In conjunction with a very well known receiver delay the system is able to figure out synchronization error or changes down to about 1 µs.
Product Highlights
- Realtime RF analysis:
RF level, BER, MER, PER, SNR, Modulation, Constellation, Cell ID - High quality SFN monitoring
- MPEG2 realtime analysis as specified in the ETSI TR101 290 Measurement Guideline (Error of 1st priority/no decodability, Error of 2nd priority/decodability may be affected, Error of 3rd priority/decodability is not affected, MIP table monitoring, Detection of PIDs and bitrates)
- Transport stream via DVB-ASI (in- and output) and Gigabit IP (output)
- MPEG Video, Audio streaming (MPEG2/MPEG4) and decoding
- Monitoring and alarm messages via SNMP, GPIO, email
- Remote access via web interface, windows application and SNMP
Optional:
- SFN impulse response measurement and monitoring
- DVB SI (Service information)/PSI (program specific information) analysis
- GPS Signal Monitoring
- Scan mode for monitoring of multiple multiplexes
- Internal logging of RF Measurements and MPEG Parameters
- Scheduler to set up different monitoring parameters for each multiplex (e.g. regionalization)
