R&S FSL WLAN TX Measurements (Option K91 / K91n)
1300.2519.12 4.409 E-11
WLAN TX Measurements (Option K91 / K91n)
The WLAN TX Measurements option extends the functionality of the R&S FSL spectrum analyzer to
enable Wireless LAN TX measurements according to IEEE standards 802.11 a, b, g, j and n.
TX measurement of wireless LAN Device Under Test (DUT) according to the standards specified for the
device can be performed:
• Modulation formats:
– IEEE 802.11a, j, g (OFDM): BPSK, QPSK, 16QAM, 64QAM
– IEEE 802.11b, g (single carrier): DBPSK, DQPSK, CCK (5.5 & 11 Mbps), PBCC (5.5, 11 & 22
Mbps)
– IEEE 802.11n (OFDM): BPSK (6.5 & 7.2 Mbps), QPSK (13, 14.4, 19.5 & 21.7 Mbps), 16QAM
(26, 28.9, 39 & 43.3 Mbps), 64QAM (52, 57.8, 58.5, 65 & 72.2 Mbps)
• Modulation measurements:
– Constellation diagram
– Constellation diagram per OFDM carrier
– I/Q offset and I/Q imbalance
– Carrier and symbol frequency errors
– Modulation error (EVM) per OFDM carrier or symbol
– Amplitude response and group–delay distortion (spectral flatness)
• Amplitude statistics (CCDF) and crest factor
• Transmit spectrum mask
• FFT, also over a selected part of the signal, e.g. preamble
• Payload bit information
• Capture time selectable up to 15 ms (dependent on selected standard), multiple sweeps possible
for large number of bursts (10922).
The option R&S FSL-K91 is available from firmware version 1.20.
The option R&S FSL-K91n is available from firmware version 1.90.
To open the WLAN menu
If the WLAN mode is not the active measurement mode, press the MODE key and activate the
WLAN option.
If the WLAN mode is already active, press the MENU or MEAS key.
The WLAN menu is displayed. .
To exit the WLAN measurement mode, select another option. For details refer also to section
"Measurement Mode Selection – MODE Key" on page 4.129.
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