About the T-DMB/DAB Option
R&S
®
SMCVB-K156
13
User Manual 1179.1029.02 ─ 02
3.2.1
DAB Network
The figure bellow illustrates the outline of a DAB network.
Figure 3-1: DAB network
The DAB network has three main parts: the service or service component provider, the
multiplex or ensemble provision and the transmission network provision.
The interfaces between these there blocks are scope of ETSI standards. The STI (Ser-
vice Transport Interface) is defined to provide a standardized way of transporting DAB
service components, service information and control messages in a DAB collection
network.
The Ensemble Transport Interface (ETI) links the Multiplexer of the Ensemble Provider
with the transmitters of the Transmission Network Provider.
3.2.2
DAB Transmission System
The following block diagramm shows the components of the DAB transmission system.
Figure 3-2: Components of the Transmission System DAB
The DAB transmission signal is defined as the sum of two signals; the main signal s (t)
and an optional signal sTII (t) as illustrated in the figure above.
About DAB/T-DMB
