DVB-T2 Gateway  by TVIPS
Description
The CP560 DVB-T2 Gateway consists of a powerful and reliable rack unit, particularly addressing the needs of system integrators and transmitter manufacturers to enhance their existing DVB-T2 product range with the “must-have” DVB-T2 gateway. Indeed, the CP560 DVB-T2 Gateway provides all the required features to run DVB-T2 in a Single Frequency Network (SFN) mode in the context of trials as well as commercial network roll-outs. Located at the network head-end, the CP560 DVB-T2 Gateway can easily interface with existing service multiplexers via ASI or IP connections and is responsible for preparing and generating the T2-MI stream (DVB-T2 Modulator Interface).
Best of class technology to operate DVB-T2 in SFN
In contrast with DVB-T, where a very simple MIP Inserter is required, DVB-T2 SFN operation requires more complex processes to be carried out at the head-end. Such processes includes MPTS stream over DVB-T2 Base-Band frames encapsulation, layered modulation stream mapping (so called Multi-PLPs), DVB-T2 signalling insertion,
DVB-T2 SFN stream timing and T2-MI packet transmission over ASI or IP interfaces. In addition to those basic features, the CP560 DVB-T2 Gateway provides the capability to manage a T2-MI stream seamless switch-over for robust network operations and the possibility to remotely control the entire DVB-T2 transmitter network from a central point.
Already proven solution for DVB-T2
The CP560 DVB-T2 Gateway consists of a powerful and reliable rack unit, particularly addressing the needs of system integrators and transmitter manufacturers to enhance their existing DVB-T2 product range with the “must-have” DVB-T2 gateway. Indeed, the CP560 DVB-T2 Gateway provides all the required features to run DVB-T2 in a Single Frequency Network (SFN) mode in the context of trials as well as commercial network roll-outs. Located at the network head-end, the CP560 DVB-T2 Gateway can easily interface with existing service multiplexers via ASI or IP connections and is responsible for preparing and generating the T2-MI stream (DVB-T2 Modulator Interface).
DVB-T2 Gcateway : Overall structure

□ Inputs
• TS inputs
– MPTS
– SPTS
□ Outputs
• T2-MI encapsulation
– BB frames per PLP
– SFN frames
– L1 signalling
DVB-T2 Gateway : Functionality

□ DVB-T2 introduces new features
    • Splitting of TS into PLPs
      – SPTS pipes (PLP)
      – Common PSI/SI pipe (common PLP) saves bandwidth
    • Each PLP can have different modulation/coding
      – Receiver can selectively listen to one PLP (saves receiver battery life )
    • Time-Frequency Slicing
      – A number of PLPs transmitted over several RF channels
    • New distribution format – T2-MI

□ Still need SFN timing synchronisation
    • Accepts more than 1 second transmission delay
DVB-T2 Gateway : Features

• DVB-T2 MI interface to the DVB-T2 modulators
• Encapsulating the transport stream in DVB-T2 baseband frames
• Mapping of input transport streams into individual PLPs
• Multiple Input Single Output (MISO)
• ISSY and Null Packet Deletion
• ASI and IP input/output interfaces
• User-friendly configuration and control
• WEB/XML based remote control
• SNMP agent


DVB-T2 Gateway : System Overview

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