WLAN RFSG SCPI Command Reference

Description

Specifies the external attenuation for all active chains. External attenuation is applied on top of any attenuation provided for the specified port.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Description

External attenuation per chain. The size of the array depends on the current defined number of chains.

Datatype

Double

Default Value

0.00

Range

[-100.00:100.00]

Unit

dB

Description

Specifies the external attenuation. External attenuation is applied on top of any attenuation provided for the specified port.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Description

External attenuation.

Datatype

Double

Default Value

0.00

Range

[-100.00:100.00]

Unit

dB

Description

Specifies the center frequency for signal generation.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Default Value

2.412000000000000E+009

Range

[1.000000000000000E+008:6.000000000000000E+009]

Unit

Hz

Description

Calculates the carrier frequency of the WLAN signal to generate, according to the numbering scheme, by converting a set of input parameters into the carrier frequency. The device computes the carrier frequency according to sections 17.4.6, 18.3.8.3, 20.3.15 of IEEE Standard 802.11-2012 and section 22.3.14 of IEEE Standard 802.11ac-2013.

Availability

Command

Execution Mode

Overlapped

Description

Specifies the offset of the center frequency, in increments of 5 MHz, above the starting frequency of the channel.
            When you set BWIDth to 40 MHz, FREQuency:CHANnel is the primary channel number and the corresponding channel center frequency is the primary channel center frequency. Channel center frequency is calculated using the following formula:
            channel center frequency (Hz) = channel starting frequency (Hz) + (channel number * 5 MHz)

Datatype

Integer32

Default Value

0

Range

[0:200]

Description

Specifies whether the secondary channel is above or below the primary channel when you set BWIDth to 40 MHz.
            A 40 MHz channel is created by combining the primary channel and the secondary channel, where each of the channels have a bandwidth of 20 MHz.
            The secondary channel number is given by the following formula:
            secondary channel number = primary channel number + (4 * secondary factor)
            The secondary channel center frequency is given by the following formula:
            secondary channel center frequency (Hz) = channel starting frequency (Hz) + (secondary channel number * 5 MHz)

Datatype

Integer32

Default Value

0

Range

[-1:1]

Description

Specifies the port name for the chain index 1..n.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Description

Port name per chain. The size of the array depends on the current defined number of chains.

Datatype

String

Default Value

"SG0"

Description

Specifies the port name for the chain index (CHAin<i>).

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Default Value

"SG0"

Description

Specifies the average power level of the active portion of the burst for signal generation. The active portion of the burst is the WLAN packet excluding the interframe spacing.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Default Value

-10.00

Range

[-140.00:50.00]

Unit

dBm

Description

Specifies whether to enable chains for signal generation.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Description

MIMO configurations are supported by enabling multiple chains. The array size depends on the current defined number of chains.
            0 | OFF: Disables a chain.
            1 | ON Enables a chain.

Datatype

Boolean

Default Value

1

Range

0 | 1 | OFF | ON

Description

Specifies whether to enable a specific chain for signal generation.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

MIMO configurations are supported by enabling multiple chains.
            0 | OFF: Disables a chain.
            1 | ON Enables a chain.

Datatype

Boolean

Default Value

0

Range

0 | 1 | OFF | ON

Description

Specifies the waveform the instrument uses for signal generation. This command loads the waveform from disk, if necessary.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Overlapped

Description

File name of the waveform to use for signal generation.

Datatype

String

Default Value

""

Description

Specifies the bandwidth of the orthogonal frequency division multiplexing (OFDM) signal to be generated. Configure this property only when you configure the device for OFDM|HT|VHT generation.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Description

5: Specifies a 5 MHz channel bandwidth.
            10: Specifies a 10 MHz channel bandwidth.
            20: Specifies a 20 MHz channel bandwidth.
            40: Specifies a 40 MHz channel bandwidth .
            80: Specifies an 80 MHz channel bandwidth.
            160: Specifies a 160 MHz channel bandwidth.
            
            If you set PHY to OFDM (80211A/G/J/P OFDM), you must set BWIDth to 5 MHz, 10 MHz, or 20 MHz, as defined in section 18.2.2 of IEEE Standard 802.11-2012. If you set PHY to HT (80211N MIMOOFDM), you must set BWIDth to 20 MHz or 40 MHz, as defined in section 20.2.3 of IEEE Standard 802.11n-2009. If you set PHY to VHT (80211AC MIMOOFDM), you must set BWIDth to 20 MHz, 40 MHz, 80 MHz, or 160 MHz, as defined in section 22.2.2 of IEEE Standard 802.11ac-2013. For OFDM signals, channel bandwidth determines the number of pilot and data subcarriers used.

Datatype

Enumeration

Default Value

20

Range

5 | 10 | 20 | 40 | 80 | 160 | 80+80

Description

Specifies the interframe spacing for signal generation. The waveform contains zeros for the duration of the interframe spacing.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Default Value

0.00001

Range

[0.00000:0.20000]

Unit

s

Description

Specifies whether to enable injection of impairments in the signal.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

0 | OFF : Disables impairments.
            1 | ON : Enables impairments.

Datatype

Boolean

Default Value

0

Range

0 | 1 | OFF | ON

Description

The amount of Gaussian white noise added to the signal. If a digitally modulated signal, this will be Eb/No.  If an analog modulated signal, this will be the SNR value.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Default Value

INF

Range

[0.00:Inf]

Unit

dB

Description

Specifies the offset of the center frequency of the complex baseband signal.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Default Value

0.0000000000E+000

Range

[-5.0000000000E+007:5.0000000000E+007]

Unit

Hz

Description

Specifies the amount of gain imbalance between the in-phase and quadrature-phase signal.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Ratio of the mean amplitude of the in-phase (I) signal to the mean amplitude of the quadrature-phase (Q) signal.

Datatype

Double

Default Value

0.00

Range

[-6.00:6.00]

Unit

dB

Description

Specifies the in-phase offset impairment.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

DC offset in the in-phase (I) channel as a percentage of the root mean square (RMS) magnitude of the unaltered I channel.

Datatype

Double

Default Value

0.00

Range

[-100.00:100.00]

Unit

%

Description

Specifies quadrature-phase offset impairment.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

DC offset in the quadrature-phase (Q) channel as a percentage of the root mean square (RMS) magnitude of the unaltered Q channel.

Datatype

Double

Default Value

0.00

Range

[-100.00:100.00]

Unit

%

Description

Specifies quadrature skew impairment.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Deviation in angle from 90 degrees between the in-phase (I) and quadrature-phase (Q) signals.

Datatype

Double

Default Value

0.00

Range

[-30.00:30.00]

Unit

deg

Description

Specifies the position of the marker relative to WLAN packet. This is relevant to the trigger export settings in the TRIG:RFSG:WLAN:EXPort command.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

PACKETSTART: The marker is located at the beginning of the burst.
            PACKETEND: The marker is located at the end of the burst.

Datatype

Enumeration

Default Value

PACKETSTART

Range

PACKETSTART | PACKETEND

Description

Specifies the generation mode of the WLAN signal generator.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Overlapped

Description

DYNAMIC: Use the configured properties in the PACKet subsystem to dynamic configure a WLAN generation.
            ARB: Use a waveform file to generate a WLAN signal.

Datatype

Enumeration

Default Value

DYNAMIC

Range

DYNAMIC | ARB

Description

Specifies the number of active chains.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Default Value

1

Range

[1:4]

Description

Specifies the number of packets the generator should generate.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Default Value

-1

Range

[-1:2147483647]

Description

Specifes the identifer of the BSS (Basic Service Set) from which the 802.11ax PPDU is transmitted.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Default Value

63

Range

[0:63]

Description

Specifies whether to enable dual carrier modulation (DCM). DCM modulates the same information on a pair of sub-carriers. DCM is an optional modulation scheme for the HE-SIG-B and data fields. DCM is only applied to BPSK, QPSK and 16-QAM modulations. Note: With this command, DCM is only applied to HE SU PPDU and HE extended range SU PPDU.  For OFDMA multi-users, refer to SOURce:RFSG:WLAN<i>:PACKet:USER<i>:DCM:[ENABle] and SOURce:RFSG:WLAN<i>:PACKet:DCM:ALL[:ENABle]

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

0 | OFF: Disables DCM.
            1 | ON: Enables DCM.

Datatype

Boolean

Default Value

0

Range

0 | 1 | OFF | ON

Description

Specifies whether to enable the dual carrier modulation (DCM) for all users in a multi-user (MU) protocol data unit (PPDU) and trigger-based PPDU.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

The size of the array depends on the current defined number of users.
            0 | OFF: Disables DCM.
            1 | ON: Enables DCM.

Datatype

Boolean

Default Value

0

Range

0 | 1 | OFF | ON

Description

Specifies the data rate, in MBps, for the payload.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Description

R1M: Specifies a data rate of 1 MBps, as defined in sections 18.4.6.3 and 18.4.6.4 of IEEE Standard 802.11b-1999.
            R2M: Specifies a data rate of 2 MBps, as defined in sections 18.4.6.3 and 18.4.6.4 of IEEE Standard 802.11b-1999.
            R5M5: Specifies a data rate of 5.5 MBps.
            R6M: Specifies a data rate of 1.5 MBps, 3 MBps, and 6 MBps for respective channel bandwidths of 5 MHz, 10 MHz, and 20 MHz.
            R9M: Specifies a data rate of 2.25 MBps, 4.5 MBps, and 9 MBps for respective channel bandwidths of 5 MHz, 10 MHz, and 20 MHz.
            R11M: Specifies a data rate of 11 MBps.
            R12M: Specifies a data rate of 3 MBps, 6 MBps, and 12 MBps for respective channel bandwidths of 5 MHz, 10 MHz, and 20 MHz.
            R18M: Specifies a data rate of 4.5 MBps, 9 MBps, and 18 MBps for respective channel bandwidths of 5 MHz, 10 MHz, and 20 MHz.
            R24M: Specifies a data rate of 6 MBps, 12 MBps, and 24 MBps for respective channel bandwidths of 5 MHz, 10 MHz, and 20 MHz.
            R36M: Specifies a data rate of 9 MBps, 18 MBps, and 36 MBps for respective channel bandwidths of 5 MHz, 10 MHz, and 20 MHz.
            R48M: Specifies a data rate of 12 MBps, 24 MBps, and 48 MBps for respective channel bandwidths of 5 MHz, 10 MHz, and 20 MHz.
            R54M: Specifies a data rate of 13.5 MBps, 27 MBps, and 54 MBps for respective channel bandwidths of 5 MHz, 10 MHz, and 20 MHz.

Datatype

Enumeration

Default Value

R54M

Range

R1M | R2M | R5M5 | R6M | R9M | R11M | R12M | R18M | R24M | R36M | R48M | R54M

Description

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Default Value

LONG

Range

SHORT | LONG

Description

Specifies the guard interval to use.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

LONG: Uses the long guard interval (1/4).
            SHORT: Uses the short guard interval (1/8).
            G1F4: Guard interval length is equal to one-fourth of the IDFT/DFT period.
            G1F8: Guard interval length is equal to one-eighth of the IDFT/DFT period
            G1F16: Guard interval length is equal to one-sixteen of the IDFT/DFT period.

Datatype

Enumeration

Default Value

LONG

Range

LONG | SHORT | G1F4 | G1F8 | G1F16

Description

Specifies the HE-LTF symbol size in the 802.11ax signals. The IEEE Standard 802.11ax specifies the following combinations of the HE-LTF symbol size and the GUARD INTERVAL.
If you set the PPDU TYPE to SU_PPDU, MU_PPDU or EXTENDED_RANGE_SU_PPDU, the HE_LTF_SIZE  is 4X, and the GUARD_INTERVAL value is 1/4.
If you set thePPDU_TYPE to SU_PPDU, MU_PPDU or EXTENDED_RANGE_SU_PPDU, HE_LTF_SIZE  value is 2X, and the GUARD_INTERVAL value is 1/8.
If you set the PPDU_TYPEto SU_PPDU, MU_PPDU or EXTENDED_RANGE_SU_PPDU, the HE_LTF_SIZE value is 2X or 4X, and the GUARD_INTERVAL value is 1/16.
If you set the PPDU_TYPE to TRIGGER_BASED_PPDU, the HE_LTF_SIZE value is 4X and theGUARD_INTERVAL Value is 1/4.
If you set the PPDU_TYPE to TRIGGER_BASED_PPDU, the HE_LTF_SIZE value is 2X and the GUARD_INTERVAL value is 1/8.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

AUTO: Specifies 4x as HE-LTF symbol duration for the guard interval type value of 1/4; or 2x otherwise.
            4X: Specifies 4x as the HE-LTF symbol duration.
            2X: Specifies 2x as the HE-LTF symbol duration
            1X: Specifies 1x as the HE-LTF symbol duration

Datatype

Enumeration

Default Value

AUTO

Range

AUTO | 4X | 2X | 1X

Description

Specifies the LDPC Extra Symbol Segment field in the trigger frame which is used for 802.11ax Trigger-based PPDU generation.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

The default value is -1, which indicates LDPC Extra Symbol Segment is derived from the payload settings.

Datatype

Integer32

Default Value

-1

Range

[-2147483647:2147483647]

Description

Specifies the value of LENGTH field in the trigger frame which is used for 802.11ax Trigger-based PPDU generation.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

The default value is -1, which indicates LENGTH is derived from the payload settings.

Datatype

Integer32

Default Value

-1

Range

[-2147483647:2147483647]

Description

Specifies the value of the modulation and coding scheme (MCS) index in 802.11n. The MCS index is a compact representation that determines the modulation scheme, coding rate, and number of spatial streams as specified in section 20.3.5 of IEEE Standard 802.11n-2009.
in 802.11ac the MCS index represent only the the modulation scheme and coding tate as described in section 22.5 of IEEE Standard 802.11ac-2013.

802.11ac has the number of space time streams set thru the command: CONFigure:RFSA:WLAN<i>:PACKet:NSTS

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Description

Modulation and coding scheme (MCS) index.

Datatype

Integer32

Default Value

7

Range

[0:31]

Description

Specifies the value of the modulation and coding scheme (MCS) index for all users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Modulation and coding scheme (MCS) index. The size of the array depends on the current defined number of users.

Datatype

Integer32

Default Value

7

Range

[0:31]

Description

Specifies the mapping matrix to use for MIMO generation.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Overlapped

Description

DIRECT: Use a direct mapping where every channel has only one stream. In the case where the number of transmit chains exceeds the number of streams, streams are repeated as nessesary.
            
            HADAMARD: Use a Hadamard mapping matrix.
            
            FOURIER: Use a Fourier mapping matrix.

Datatype

Enumeration

Default Value

DIRECT

Range

DIRECT | HADAMARD | FOURIER

Description

Specifies the number of space-time streams to use.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Default Value

1

Range

[1:16]

Description

Specifies the number of space-time streams for all users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Number of streams. The size of the array depends on the current defined number of users.

Datatype

Integer32

Default Value

1

Range

[0:16]

Description

Specifies the number of users in a multi-user (MU) physical layer convergence procedure (PLCP) protocol data unit (PPDU).

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Default Value

1

Range

[1:1000]

Description

Specifies whether to enable the HE-Sig-B Dual Carrier Modulation.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Specifies whether to enable the HE-Sig-B Dual Carrier Modulation (DCM).

Datatype

Boolean

Default Value

0

Range

0 | 1 | OFF | ON

Description

Specifies the HE-Sig-B-MCS.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

The HE-SIG-B MCS index.

Datatype

Integer32

Default Value

0

Range

[0:5]

Description

Specifies the length of the payload.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Description

Payload length, in bytes.

Datatype

Integer32

Default Value

1024

Range

[-2147483647:2147483647]

Description

Specifies the payload length, in bytes, of the expected incoming signal.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Default Value

100

Range

[0:2147483647]

Description

Specifies the forward error correction (FEC) type.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

BCC : Uses the binary convolutional code FEC coding type.
            LDPC : Uses the low-density parity check FEC coding type.

Datatype

Enumeration

Default Value

BCC

Range

BCC | LDPC

Description

Specifies the forward error correction (FEC) type for all users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

BCC: Uses binary convolutional code (BCC) FEC coding.
            LDPC: Uses low-density parity check (LDPC) FEC coding.
            The size of the array depends on the current defined number of users.

Datatype

Enumeration

Default Value

LDPC

Range

BCC | LDPC

Description

Specifies the six-byte Address1 field as defined in section 7.1.3 of IEEE Standard 802.11-2007 and IEEE Standard 802.11n-2009. This field is represented with the least significant byte in the leftmost position and each byte is represented with the least significant bit in the rightmost position.
For example, the medium access control (MAC) address 12-34-56-78-9A-BC is represented by the number 0 x 123456789ABC.
Configure all devices with the same address.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Default Value

"FF:FF:FF:FF:FF:FF"

Description

Specifies the six-byte Address1 field as defined in section 7.1.3 of IEEE Standard 802.11-2007 and IEEE Standard 802.11n-2009. This field is represented with the least significant byte in the leftmost position and each byte is represented with the least significant bit in the rightmost position.
For example, the medium access control (MAC) address 12-34-56-78-9A-BC is represented by the number 0 x 123456789ABC.
Configure each device address individually.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Default Value

"FF:FF:FF:FF:FF:FF"

Description

Specifies the number of the MAC header frame control.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Number of the MAC header frame control.

Datatype

Integer32

Default Value

8

Range

[0:1024]

Description

Specifies the power boost for all users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

The size of the array depends on the current defined number of users. Note: For multi-user (MU) protocol data unit (PPDU), the range is between -20 dB and 20 dB. For trigger-based PPDU the range is between -100 dB and 100 dB.

Datatype

Double

Default Value

0.00

Range

[-100.00:100.00]

Unit

dB

Description

Specifies the length of the payload for specific users.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Sequential

Description

Payload length, in bytes.

Datatype

Integer32

Default Value

100

Range

[0:2147483647]

Description

Specifies the type of forward error correction (FEC) coding used for specific users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

BCC: Uses binary convolutional code (BCC) FEC coding.
            LDPC: Uses low-density parity check (LDPC) FEC coding.

Datatype

Enumeration

Default Value

LDPC

Range

BCC | LDPC

Description

Specifies the power boost for specific users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Specifies the power boost for specific users. Note: For multi-user (MU) protocol data unit (PPDU), the range is between -20 dB and 20 dB. For trigger-based PPDU the range is between -100 dB and 100 dB.

Datatype

Double

Default Value

0.00

Range

[-100.00:100.00]

Unit

dB

Description

Specifies the PE Disambiguity sub-field in the trigger frame which is used for 802.11ax Trigger-based PPDU generation

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

The default value is -1, which indicates PE Disambiguity is derived from the payload settings.

Datatype

Integer32

Default Value

-1

Range

[-2147483647:2147483647]

Description

Specifies the Pre-FEC Padding Factor sub-field in the trigger frame which is used for 802.11ax Trigger-based PPDU generation.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

The default value is -1, which indicates Pre-FEC Padding Factor is derived from the payload settings.

Datatype

Integer32

Default Value

-1

Range

[-2147483647:2147483647]

Description

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Sets the  PLCP frame format.
            MIXED: Mixed frame format.
            GREENFIELD: Greenfield frame format.

Datatype

Enumeration

Default Value

MIXED

Range

MIXED | GREENFIELD

Description

Specifies the type of physical layer convergence procedure (PLCP) protocal data unit (PPDU).

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

SUPPDU: Specifies a single user (SU) PPDU.
            MUPPDU: Specifies a multi-user (MU) PPDU.
            ERSUPPDU: Specifies a  Extended Range SU PPDU.
            TBPPDU:  Specifies a trigger-based PPDU.

Datatype

Enumeration

Default Value

SUPPDU

Range

SUPPDU | MUPPDU | ERSUPPDU | TBPPDU

Description

Specifies the RU size for Extended Range SU PPDU.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Specifies the RU size for extended range SU PPDU. The PPDU type must be set to extended range SU PPDU only for single spatial stream, channel bandwidth set to 20 MHz with RU Size of 242 with MCS index of 0,1 and 2 or with RU Size of 106 with MCS index of 0 only.

Datatype

Enumeration

Default Value

RU242

Range

RU106 | RU242

Description

Specifies the size of resource unit (RU) for all users in terms of the number of subcarriers for the 802.11ax signal. This size is specified when you set the PPDU Type to MU PPDU or trigger-based PPDU.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Similar to OFDM, OFDMA employs multiple subcarriers, but the subcarriers are divided into several groups of subcarriers where each group is denoted as a resource unit (RU). The 802.11ax standard calls the smallest subchannel a Resouce Unit (RU), with a minimum size of 26 subcarriers. The size of the array depends on the current defined number of users.

Datatype

Enumeration

Default Value

RU26

Range

RU26 | RU52 | RU106 | RU242 | RU484 | RU996 | RU1992

Description

Specifies the location of the resource unit (RU) for all users, in terms of the index of 26-tone RU assuming all the 26-tone RUs over entire bandwidth, of 802.11ax signal.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

The size of the array depends on the current defined number of users.

Datatype

Integer32

Default Value

0

Range

[0:72]

Description

Specifies the Station ID for all users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

The size of the array depends on the current defined number of users.

Datatype

Integer32

Default Value

0

Range

[-1:2147483647]

Description

Refer to Draft P802.11ax_D1.1 Table 28-21-RU allocation signaling: Arrangement and number of MU-MIMO allocations. To be mentioned, please configure the PPDU type to MUPPDU, Number of Users and multi user parameters such as DCM, MCS index, NSTS, STAid, FEC Type, Power Boost before you select the Tone Map. After the Tone map is selected the RU size and RU offset for all users will be configured.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

refer to Table 28-21-RU allocation signaling: Arrangement and number of MU-MIMO allocations.

Datatype

Enumeration

Default Value

A00000000

Range

A00000000 | A00000001 | A00000010 | A00000011 | A00000100 | A00000101 | A00000110 | A00000111 | A00001000 | A00001001 | A00001010 | A00001011 | A00001100 | A00001101 | A00001110 | A00001111 | A0001XXXX | A00100YYY | A00101YYY | A00110YYY | A00111YYY | A01000YYY | A01001YYY | A01010YYY | A01011YYY | A011XXXXX | A10YYYYYY | A11000YYY | A11001YYY | A11010YYY | A11011YYY

Description

Specifies whether to enable the dual carrier modulation (DCM) for specific users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

0 | OFF: Disables DCM.
            1 | ON: Enables DCM.

Datatype

Boolean

Default Value

0

Range

0 | 1 | OFF | ON

Description

Specifies the value of the modulation and coding scheme (MCS) index for specific users. Note: Multi-user is only supported in 802.11ax.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Default Value

7

Range

[0:31]

Description

Specifies the number of space-time streams for specific users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Number of streams.

Datatype

Integer32

Default Value

1

Range

[0:16]

Description

Specifies the RU size for specific users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Specifies the RU size for specific users.

Datatype

Enumeration

Default Value

RU26

Range

RU26 | RU52 | RU106 | RU242 | RU484 | RU996 | RU1992

Description

Specifies the RU offset size for specific users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Specifies the RU offset for specific users.

Datatype

Integer32

Default Value

0

Range

[0:72]

Description

Specifies the Station ID for specific users.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

Specifies the station ID for specific users.

Datatype

Integer32

Default Value

0

Range

[-1:2147483647]

Description

Specifies the standard PHY type of signal to generate.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

DSSS: Generates a DSSS signal type (802.11 b/g-DSSS).
            OFDM: Generates an OFDM signal type (802.11 a/g/j).
            HT: Generates a high throughput (HT) signal type (802.11 n).
            VHT: Generates a very high throughput (VHT) signal type (802.11 ac).
            POFDM: Generates an OFDM signal type (802.11 p).
            HE: Generates a high efficiency (HE) signal type (802.11 ax).

Datatype

Enumeration

Default Value

OFDM

Range

DSSS | OFDM | HT | VHT | POFDM | HE

Description

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

OFF: The generator is OFF for this personality.
            PENDING: The generator is transitioning states.
            ON:  The generator is ON. There is RF power on the specified port from this personality.

Datatype

Enumeration

Default Value

OFF

Range

OFF | PENDING | ON

Description

Specifies the transmission mode.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

STA: Specifies the downlink transmission.
            AP: Specifies the uplink transmission.

Datatype

Enumeration

Default Value

STA

Range

STA | AP

Description

Availability

Query

Execution Mode

Sequential

Description

Version of the SCPI personality.

Datatype

String

Description

Version of the execution framework.

Datatype

String

Description

Specifies whether the trigger asserts on the rising or falling edge of the signal.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Overlapped

Description

RISing: Asserts the trigger on the rising edge of the signal.
            FALLing: Asserts the trigger on the falling edge of the signal.

Datatype

Enumeration

Default Value

RISing

Range

RISing | FALLing

Description

Sets the trigger export. The trigger export automatically triggers an analyzer when the trigger point occurs.

Availability

Command/Query

Execution Mode

Command: Sequential
Query: Sequential

Description

NONE: No signal is exported.
            ISELF: At the marker event in the script, the master VSG exports a trigger signal to the analyzer on the same module.
            IBROADCAST: At the marker event in the script, the master VSG exports a trigger signal to all analyzers on the same connection session.

Datatype

Enumeration

Default Value

NONE

Range

NONE | ISELF | IBROADCAST

Description

Specifies the delay between the frame trigger and the generated packet. Not used if the frame trigger source is set to NONE.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Overlapped

Description

Specifies the delay between the frame trigger and the generated WLAN packet.

Datatype

Double

Default Value

0.000000000000000E+000

Range

[-Inf:Inf]

Unit

s

Description

Specifies the frame trigger source. If a frame trigger is defined, the WLAN generation generates a single frame every time a frame trigger is received.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Overlapped

Description

NONE: No frame trigger is used. WLAN packet spacing is determined by the idle time setting.
            ISELF: Uses an internal trigger sent by the analyzer of the same module.
            IBROADCAST: Uses an internal broadcast trigger from any analyzer in the tester.

Datatype

Enumeration

Default Value

NONE

Range

NONE | ISELF | IBROADCAST

Description

Specifies the source terminal for the trigger.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Overlapped

Description

Immediate - Generates the signal to measure when the hardware is ready.
            Internal - Uses an internal trigger route. Requires you to export a signal to the internal destination with another command.
            PFI 0 - Uses the front panel PFI 0 trigger if available.
            PFI 1 - Uses the front panel PFI 1 trigger if available.

Datatype

String

Default Value

"Immediate"

Description

Specifies the maximum time allowed to meet the trigger condition after committing the configuration to the hardware.

Availability

Command/Query

Execution Mode

Command: Overlapped
Query: Overlapped

Description

Trigger timeout. The timeout watchdog does not start while the hardware configuration is pending. If the trigger timeout exceeds, the generator returns to OFF.

Datatype

Double

Default Value

5.00

Range

[0.00:10000.00]

Unit

sec