Digital Signal Processing Reference
In-Depth Information
broadcasts public service programs which is why 3 data streams or trans-
mitting frequencies are sufficient here. The Brotjacklriegel antenna is also
of similar construction to the Wendelstein antenna.
Table 31.5.
Technical parameters Brotjacklriegel transmitter
Channel
Frequency
Average
transmitter
output
power
ERP
7
191.5 MHz
4.6 kW
25 kW
33
570 MHz
5 kW
50 kW
28
522 MHz
3.4 kW
100 kW
Table 31.6.
Range of programs distributed by the Brotjacklriegel transmitter
Channel Modula-
tion
Code rate
Guard
Data rate
[Mbit/s]
Number
of pro-
grams
Programs
7
16QAM
3/4
1/4
13.06
4
Das Erste,
Phoenix,
arte,
1plus
33
16QAM
2/3
1/4
13.27
3
+
DVB-H
+ MHP
Bayr.
Fernse-
hen,
BR-
Alpha,
Südwest-
BW
28
16QAM
2/3
1/4
13.27
3
+ MHP
ZDF,
Info/3sat,
Doku
/Kika
The Hoher Bogen (Bayerischer Wald, Furth im Wald) and Hohe Linie
(Regensburg) transmitting stations are comparable sites of the Bayerischer
Rundfunk in the Eastern Bavarian DVB-T network.
Channel 7 of the "Brotjacklriegel" transmitter runs synchronously in a
single-frequency network with the "Hohe Linie" transmitter at 84 km dis-
tance near Regensburg and the "Hoher Bogen" transmitter at 54 km dis-
tance. However, the distance to the "Hohe Linie“ would violate the guard
interval constraint (77 km in the VHF band) which is why the "Brot-
jacklriegel" signal in channel 7 is radiated 20 Μs earlier which effectively
Search WWH ::
Custom Search