beautypg.com

Atec Rohde-Schwarz-SMIQ Series User Manual

Page 17

background image

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