Wlan ac rf analyzer (r&s, Cmw-km656 option), Modulation analysis – Atec Rohde-Schwarz-CMW500 User Manual
Page 47
Version 11.00, May 2013
Rohde & Schwarz R&S
®
CMW500 Wideband Radio Communication Tester 47
Statistics
Statistical count
1 to 1000
Values
current, average, maximum, standard
deviation
Trigger
Trigger sources
BASE: external TRIG A
BASE: external TRIG B
GPRF: BB generator
WLAN: IF power
High throughput (HT)
PPDU format
mixed mode,
greenfield mode
Modulation analysis
Bandwidth
20 MHz, 40 MHz
Level range
–28 dBm to +42 dBm
32
Payload length
≥ 16 symbol or
Analysis modes
BPSK code rate 1/2 (MCS0),
BPSK code rate 3/4,
QPSK code rate 1/2 (MCS1),
QPSK code rate 3/4 (MCS2),
16QAM code rate 1/2 (MCS3),
16QAM code rate 3/4 (MCS4),
64QAM code rate 1/2,
64QAM code rate 2/3 (MCS5),
64QAM code rate 3/4 (MCS6),
64QAM code rate 5/6 (MCS7)
for optional 40 MHz MCS format
BPSK code rate 1/2 (MCS32)
Measured parameters
numeric results and standard deviation
total power,
EVM all carriers,
EVM data carriers,
EVM pilot carriers,
center frequency error,
symbol clock error,
numeric results for each spatial stream
EVM all carriers,
EVM data carriers,
EVM pilot carriers
power
I/Q offset
WLAN AC RF analyzer (R&S
®
CMW-KM656 option)
Frequency range
WLAN IEEE 802.11ac (5 GHz band),
prerequisite: R&S
®
CMW-KB036 option
5000 MHz to 6000 MHz,
for frequency exceptions for inherent
spurious response, see general technical
specifications
Statistics
Statistical count
1 to 1000
Values
current, average, maximum, standard
deviation
Trigger
Trigger sources
WLAN: IF power
High throughput (HT)
PPDU format
mixed mode,
32
The maximum permissible continuous power is +34 dBm due to thermal limits.