Instrument Function
R&S
®
SMBV100A
343Operating Manual 1176.8016.02 ─ 17
Table 5-3: Permissible coding combinations for modulation symbols and modulation type
OFF Differ-
ential
Phase
Diff.
Diff.
+Gray
Gray GSM NADC,
PDC,
PHS,
TETRA,
APCO25
(PSK),
PWT
TFTS/
TETRA
INMARSAT,
ICO,
WCDMA,
cdma2000
VDL APCO25
(FSK)
APCO25
(8PSK)
ASK X X
X X
BPSK X X
X X
pi/2 DBPSK X
X
QPSK X X
X X
X
QPSK EDGE X
QPSK45° Off-
set
X X
X X
Pi/4 QPSK X X
X
Pi/4 DQPSK X
X
X X
8PSK X X
X X
X
AQPSK X X
X X
OQPSK X X
X X
8PSK_EDGE X
Pi/8 D8PSK X
X
X
MSK X X
X X X
2FSK X X
X X X
4FSK X X
X X
X
8FSK X X
X X
16FSK X X
X X
16QAM X X X X X
16QAM EDGE X
32QAM X X X X X
32QAM EDGE X
64QAM X X X X X
128QAM X X X X X
256QAM X X X X X
1024QAM X X X X X
Modulation type pi/4DQPSK
With differential coding switched on at the same time, a constellation diagram is
obtained for pi/4DQPSK which is similar to that obtained for 8PSK. Phase shifts are
Baseband Signal - Baseband Block
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