R&S®FSQ-K91ac WLAN Application Firmware

R&S®FSQ-K91 Upgrade to IEEE 802.11ac

  • Overview

Key Facts

  • Analysis at the RF or in the analog/digital baseband (optional)
  • Demodulation of 80 MHz
  • Modulation formats for IEEE 802.11a/g/j/n/ac: BPSK, QPSK, 16QAM, 64QAM, 256QAM

Brief Description

The R&S®FSQ-K91 application firmware covers standard-related tests as well as further evaluations for in-depth analysis in development for signals in line with the WLAN IEEE 802.11 a/b/g/j standard.

Features

  • R&S®FSQ-K91 WLAN application firmware
  • R&S®FSQ-K91n WLAN application firmware
  • R&S®FSQ-K91ac WLAN application firmware
  • Analyzers supporting WLAN measurements

Specifications

Model Frequency range
R&S®FSW 2 Hz to 8/13.6/26.5/43.5 Ghz
R&S®FSQ 20 Hz to 3.6/8/26.5/40 GHz
R&S®FSG 9 kHz to 8/13 GHz
R&S®FSV 20 Hz to 3/7/13/30 GHz
R&S®FSL 9 kHz to 3/6/18 GHz

Key Facts

  • Analysis at the RF or in the analog/digital baseband (optional)
  • Demodulation of 80 MHz
  • Modulation formats for IEEE 802.11a/g/j/n/ac: BPSK, QPSK, 16QAM, 64QAM, 256QAM
  • Modulation formats for IEEE 802.11b: DBPSK, DQPSK, CCK, short PLCP, long PLCP
  • Very low residual EVM of –44/–46 dB (0.7% at 2.4 GHz)
  • Support of very high throughput (VHT)

Brief Description

The R&S®FSQ-K91 application firmware covers standard-related tests as well as further evaluations for in-depth analysis in development for signals in line with the WLAN IEEE 802.11 a/b/g/j standard. The R&S®FSQ-K91n application firmware extends the functionality of R&S®FSQ-K91 to include spectrum and modulation measurements in accordance with the IEEE 802.11n standard.

For measurements in line with the IEEE802.11ac standard, the R&S®FSQ-K91ac application firmware is needed.

Features & Benefits

  • R&S®FSQ-K91 WLAN application firmware
    • Expands the R&S®FSQ signal and spectrum analyzer by adding the capability to perform spectrum and modulation measurements on signals in line with the IEEE 802.11 a/b/g/j standard
    • Provides complex WLAN measurements at a keystroke (automatic setting of modulation format)
    • Performs measurements in the RF/IF range and in the baseband (analog and digital)
    • Offers the ideal solution for a wide scope of WLAN applications
    • Optimally designed for research, design, verification, and production applications
    • Allows remote control of all functions via IEC/IEEE bus or LAN
  • R&S®FSQ-K91n WLAN application firmware
    • Expands the R&S®FSQ signal and spectrum analyzer by adding the capability to perform spectrum and modulation measurements on WLAN IEEE 802.11n signals
    • Maximum analysis bandwith of 40 MHz with the R&S®FSQ analyzers (equipped with the R&S®FSQ-B72 option).
    • Support of legacy/mixed/Greenfield mode of IEEE 802.11n signals
  • R&S®FSQ-K91ac WLAN application firmware
    • Adds the capability to perform spectrum and modulation measurements on WLAN IEEE 802.11ac signals to the R&S®FSQ signal and spectrum analyzer
    • Maximum analysis bandwidth of 80 MHz with the R&S®FSQ analyzers (equipped with the R&S®FSQ-B72 option)
    • Supports very high throughput (VHT) and 256 QAM
  • Analyzers supporting WLAN measurements

    Rohde & Schwarz offers a wide range of signal and spectrum analyzers for WLAN measurements:

    • The R&S®FSQ-K91 and R&S®FSQ-K91n options provide the same user interface for a wide range of different spectrum and signal analyzers, offer optimal solutions for every application. No additional time is needed for transfer of T & M equipment from R & D to production
    • Analyzers equipped with the R&S®FSQ-K91/ R&S®FSQ-K91n WLAN options are one-box solutions, which makes remote control easy. Test setups are straight-forward and space-saving.

Specifications

R&S®FSQ R&S®FSG R&S®FSV R&S®FSL R&S®FMU
RF performance
Frequency range 20 Hz to
3.6/8/26.5/40 GHz
9 kHz to
8/13 GHz
20 Hz to
3/7/13/30 GHz
9 kHz to
3/6/18 GHz
DC to 36 MHz
Resolution bandwidth 1 Hz to
50 MHz
1 Hz to
10 MHz
1 Hz to
40 MHz
1 Hz to
20 MHz
0.5 Hz to
20 MHz
Phase noise at 10 kHz offset typ. –133 dBc
(1 Hz)
typ. –114 dBc
(1 Hz)
typ. –106 dBc
(1 Hz)
typ. –103 dBc
(1 Hz)
typ. –143 dBc
(10 MHz)
Overall measurement uncertainty 0.3 dB
(f < 3.6 GHz)
0.3 dB
(f < 3.6 GHz)
0.4 dB
(f < 7 GHz)
0.5 dB
(f < 3 GHz)
0.3 dB
DANL –158 dBm
(at 1 GHz,
1 Hz RBW)
–154 dBm –152 dBm –117 dBm
(at 1 GHz,
300 Hz RBW),
–152 dBm
(at 1 GHz,
1 Hz RBW, preamplifier)
–151.5 dBm
TOI typ. 27 dBm typ. 21 dBm typ. 17 dBm typ. 15 dBm
I/Q Demodulation
I/Q Demodulation bandwidth 28 MHz, 120 MHz
(R&S®FSQ-B72 option)
28 MHz 28 MHz, 40 MHz
(R&S®FSV-B70 option)
28 MHz 72 MHz
I/Q Memory 16 Msample,
235 Msample,
705 Msample
4 Msample 200 Msample 512 ksample 16 Msample,
optionally
235 Msample,
705 Msample
I/Q baseband
inputs, analog
+
(R&S®FSQ-B71)
+
I/Q baseband
inputs, digital
+ + + +
LXI Class C conformant + + + + +
WLAN
Residual EVM
(averaged over 20 bursts,
f = 2.4 GHz
or 5 GHz)
–46 dB1) –46 dB1) –45 dB1) –40 dB1)
Measurement
speed
typ. 7
frames/s
typ. 7
frames/s
typ. 10
frames/s
typ. 6
frames/s
typ. 7
frames/s
ACLR with noise correction typ. 80 dB typ. 80 dB typ. 70 dB typ. 58 dB typ. 69 dB
IEEE 802.11n + + + +
IEEE 802.11ac +
R&S®FSW R&S®FSQ R&S®FSG R&S®FSV R&S®FSL R&S®FMU
RF performance
Frequency range 2 Hz to
8/13.6/26.5/
43.5 GHz
20 Hz to
3.6/8/26.5/
40 GHz
9 kHz to
8/13 GHz
20 Hz to
3/7/13/30 GHz
9 kHz to
3/6/18 GHz
DC to 36 MHz
Resolution bandwidth 1 Hz to 10 MHz, 80 MHz (with R&S®FSW-B8 option) 1 Hz to
50 MHz
1 Hz to
10 MHz
1 Hz to
40 MHz
1 Hz to
20 MHz
0.5 Hz to
20 MHz
Phase noise at 10 kHz offset typ. –140 dBc
(1 Hz)
typ. –133 dBc
(1 Hz)
typ. –114 dBc
(1 Hz)
typ. –106 dBc
(1 Hz)
typ. –103 dBc
(1 Hz)
typ. –143 dBc
(10 MHz)
Overall measurement uncertainty < 0.4 dB (8 GHz) 0.3 dB
(f < 3.6 GHz)
0.3 dB
(f < 3.6 GHz)
0.4 dB
(f < 7 GHz)
0.5 dB
(f < 3 GHz)
0.3 dB
DANL typ. –159 dBm
(at 2 GHz,
with R&S®FSW-B13 option, 1 Hz RBW)
–158 dBm
(at 1 GHz,
1 Hz RBW)
–154 dBm –152 dBm –117 dBm
(at 1 GHz,
300 Hz RBW),
–152 dBm
(at 1 GHz,
1 Hz RBW, preamplifier)
–151.5 dBm
TOI typ. +30 dBm
(f < 1 GHz)
typ. 27 dBm typ. 21 dBm typ. 17 dBm typ. 15 dBm
I/Q Demodulation
I/Q Demodulation bandwidth 10 MHz,
160 MHz
R&S®FSW-B160 option
28 MHz, 120 MHz
(R&S®FSQ-B72 option)
28 MHz 28 MHz, 40 MHz
(R&S®FSV-B70 option)
28 MHz 72 MHz
I/Q Memory 400 Msample 16 Msample,
235 Msample,
705 Msample
4 Msample 200 Msample 512 ksample 16 Msample,
optionally
235 Msample,
705 Msample
I/Q baseband
inputs, analog
+ +
(R&S®FSQ-B71)
+
I/Q baseband
inputs, digital
+ + + + +
LXI Class C conformant + + + + + +
WLAN
Residual EVM
(averaged over 20 bursts,
f = 2.4 GHz
or 5 GHz)
–54 dB1) –46 dB1) –46 dB1) –45 dB1) –40 dB1)
ACLR with noise correction typ. 80 dB typ. 80 dB typ. 80 dB typ. 70 dB typ. 58 dB typ. 69 dB
IEEE 802.11n + + + + +
IEEE 802.11ac + +

1) Level –30 dBm up to +15 dBm, channel estimation: preamble und payload.

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