Multichannel multicarrier 3gpp w-cdma personality, Chip rates, Frame duration – Atec Agilent-E4437B User Manual
Page 20: Filters, I/q mapping, Clipping, Downlink, Channel types, Multicarrier, Uplink

20
Multichannel Multicarrier 3GPP
W-CDMA personality
(Option 100, ESG-DP and ESG-D series only)
Supports R99 March 2001 3GPP W-CDMA standard. Provides
partially coded data for component test applications.
Chip rates
3.84 Mchips/sec ± 10%
Frame duration
10 ms
Filters
W-CDMA
α = 0.22
Nyquist, root Nyquist
α = 0 to 1
Gaussian
B
b
T = 0 to 1
IS-95
IS-2000
Custom FIR
Up to 256 coefficients, 16-bit
resolution
Rectangle
APCO 25 c4FM
Reconstruction filters
250 kHz, 2.5 MHz
8.0 MHz, and through
I/Q mapping
Normal, invert
Clipping
Clip location
Pre-or post-FIR filter
Clipping type
|I+jQ|, |I| and |Q|
Clipping range
10% to 100%
(Clip the modulation level to a
percentage of full scale. A level
of 100% equates to no clipping.)
Downlink
Modulation
QPSK
Pre-defined channel configurations (partially coded)
1 DPCH
3 DPCH
PCCPCH + SCH
PCCPCH + SCH + 1 DPCH
PCCPCH + SCH + 3 DPCH
Test Model 1
with 16, 32, or 64 DPCH
Test Model 2
Test Model 3
with 16 or 32 DPCH
Test Model 4
User-defined channel parameters
Symbol rates
7.5, 15, 30, 60, 120, 240, 480, or 960 ksps
Number of channels
Up to 512
Spreading code
0 to 511
Channel power
0 to –40 dB, 0.01 dB resolution
tDPCH offset
0 to 149
Scrambling code
0 to 511
Scramble types
Standard, left alternate, right
alternate
Data pattern
Random, 00 to FF (HEX), PN9
TPC power
–20 to 20 dB relative to channel
power
TPC value
0–5555
TFCI field
On /Off
TFCI value
0–1023
TFCI power
–20 to 20 dB relative to channel
power
Pilot power
–20 to 20 dB relative to channel
power
Pilot bits
4 or 8
Channel Types
(downlink) PICH, OCNS, PCCPCH, SCCPCH,
PSCH, SSCH, CPICH, DPCH
(uplink) DPCCH, DPDCH
Multicarrier
Number of carriers
Up to 4 (user defined, individually
configurable)
Frequency offset (per carrier)
Up to ±7.5 MHz
Offset resolution
<1 Hz
Carrier power (per carrier)
0 dB to –40 dB
Uplink
Modulation
OCQPSK (HPSK)
Pre-defined channel configurations (partially coded)
1 DPCCH
15 ksps, spread code 0
DPCCH + 1 DPDCH
960 ksps, spread code 1
DPCCH + 2 DPDCH
960 ksps, spread code 1
DPCCH + 3 DPDCH
960 ksps, spread code 2
DPCCH + 4 DPDCH
960 ksps, spread code 2
DPCCH + 5 DPDCH
960 ksps, spread code 3
User-defined channel parameters
Symbol rates
15, 30, 60, 120, 240, 480, or 960 ksps
Number of DPDCH
channels
6
Spreading code
0 to 511, symbol rate
Scrambling code
1 to 1FFFFFFFFFF, common for all
channels
Second DPDCH
orientation
I or Q
Channel power
0 to –60 dB
Data pattern
Random, 00 to FF (HEX), PN9
FBI bits
0–2
Error vector magnitude
1
1.8 GHz c <2.2 GHz, default W-CDMA filters, 3.84 Mcps chip rate, ≤4 dBm, (≤7 dBm with Option UNB) (2.3%) Adjacent channel power 1,2 1.8 GHz c <2.2 GHz, default W-CDMA filters, 3.84 Mcps chip rate, ≤–2 dBm, (≤0 dBm with Option H99), 5 MHz offset Electronic Mechanical Low ACP attenuator attenuator (Option H99 (standard) (Option UNB) Rev B) 1 DPCH (–58 dBc) (–58 dBc) –64 (–66 dBc) Test Model 1 (–50 dBc) (–55 dBc) –60 (–63 dBc) + 64 DPCH Alternate channel power 1,2 1.8 GHz ≤-2 dBm (0 dBm with Option H99 and baseband filter ON), 10 MHz Low ACP 1 DPCH -70 (-72 dBc) Test model 1 + 64 DPCH -66 (-68 dBc) 1. Parentheses denote typical performance.
1 DPCH
offset
(Option H99)
2. Valid for 23 ± 5 °C.