Atec Rohde-Schwarz-SMIQ Series User Manual
Page 17
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Vector Signal Generator R&S SMIQ – Specifications
17
Link direction
uplink (reverse link) and downlink (forward link)
Sequence length
1 to 13 frames
Baseband filter
Standard
√cos, α = 0.22
Other filters
√cos, (α = 0.1 to 0.99), cos (α = 0.1 to 0.99), user filter
Clipping level
Setting of clipping value relative to highest peak in percent.
Clipping takes place prior to baseband filtering and reduces the
crest factor.
The range is 1 to 100 %.
Code channels
Downlink
Uplink
up to 512 data channels (plus special channels) divided among up
to four base stations (BS) with 128 code channels each
up to four mobile stations (MS) each operating in one of modes
PRACH only, PCPCH only, DPCCH + DPDCHs
Physical channels in downlink
P-CPICH
Symbol rate
Channelization code
Slot structure
Primary Common Pilot Channel
15 ksps, fixed
0, fixed
predefined symbols
S-CPICH
Symbol rate
Channelization code
Slot structure
Secondary Common Pilot Channel
15 ksps, fixed
0 to 255
predefined symbols
P-SCH
Symbol rate
Slot structure
Primary Sync Channel
15 ksps, fixed
synchronization code (SC)
S-SCH
Symbol rate
Slot structure
Secondary Sync Channel
15 ksps, fixed
synchronization code (SC)
P-CCPCH
Symbol rate
Channelization code
Slot structure
Primary Common Control Physical Channel
15 ksps, fixed
1, fixed
data
S-CCPCH
Symbol rate
Channelization code
Slot structure
Secondary Common Control Physical Channel
15, 30, 60, 120, 240, 480, 960 ksps
depending on symbol rate, 0 to max. 255
data, TFCI, pilot
PICH
Symbol rate
Channelization code
Number of PIs per frame
Slot structure
Page Indication Channel
15 ksps, fixed
0 to 255
18, 36, 72, 144
page indicator bits, not used bits
AP-AICH
Symbol rate
Channelization code
Slot structure
Access Preamble Acquisition Indication Channel
15 ksps, fixed
0 to 255
acquisition indicators, empty symbols