802.11n/ac (Wi-Fi 4 and Wi-Fi 5)

Receive 802.11n/ac (HT and VHT) waveforms

Model HT- and VHT-related signal reception functionality.

Functions

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wlanPacketDetectEstimate timing offset of OFDM packet using L-STF
wlanFormatDetectDetect packet format
wlanSymbolTimingEstimateFine symbol timing estimate using L-LTF
wlanCoarseCFOEstimatePerform coarse CFO estimation
wlanFineCFOEstimatePerform fine CFO estimation
wlanSampleRateNominal sample rate
wlanVHTTrackPilotErrorTrack errors using pilot subcarriers of VHT waveform (Since R2025a)
wlanLLTFChannelEstimateChannel estimation using L-LTF
wlanLLTFNoiseEstimateNoise estimation using L-LTF or S1G-LTF1 (Since R2023a)
wlanVHTLTFChannelEstimateChannel estimation using VHT-LTF
wlanHTLTFChannelEstimateChannel estimation using HT-LTF
wlanVHTDemodulateOFDM-demodulate received time-domain VHT waveform (Since R2025a)
wlanVHTEqualizeEqualize demodulated VHT field symbols (Since R2025a)
wlanLLTFDemodulateDemodulate L-LTF waveform
wlanVHTLTFDemodulateDemodulate VHT-LTF waveform
wlanHTLTFDemodulateDemodulate HT-LTF waveform
wlanVHTOFDMInfoOFDM information for VHT transmission
wlanHTOFDMInfoOFDM information for HT transmission
wlanVHTDataBitRecoverRecover bits from VHT-Data field (Since R2025a)
wlanFieldIndicesPPDU field indices
wlanLSIGBitRecoverRecover information bits in L-SIG field
wlanLSIGRecoverRecover L-SIG information bits
wlanInterpretScramblerStateRecover bandwidth signaling from initial scrambler state
wlanVHTSIGARecoverRecover bits from VHT-SIG-A field
wlanVHTSIGBRecoverRecover VHT-SIG-B information bits
wlanHTSIGRecoverRecover HT-SIG information bits
wlanHTDataRecoverRecover bits from HT-Data field
wlanVHTDataRecoverRecover bits from VHT-Data field
wlanScrambleScramble and descramble binary input sequence
wlanConstellationDemapConstellation demapping
wlanStreamDeparseStream-deparse spatial streams
wlanBCCDecodeBCC-decode input data
wlanBCCDeinterleaveDeinterleave BCC-interleaved input
wlanSegmentDeparseBitsSegment-deparse data bits
wlanSegmentParseSymbolsSegment-parse data subcarriers
wlanAMPDUDeaggregateDeaggregate A-MPDU and extract MPDUs
wlanMPDUDecodeDecode MPDU
displayIEsDisplay list of IEs in MAC management frame

Topics

See Also

802.11n/ac (Wi-Fi 4 and Wi-Fi 5)

Transmit 802.11n/ac (HT and VHT) signals

Featured Examples

802.11ac Multi-User MIMO Precoding

802.11ac Multi-User MIMO Precoding

Perform transmit and receive processing for an IEEE® 802.11ac™ multi-user downlink transmission over a fading channel.

Recovery Procedure for an 802.11ac Packet

Recovery Procedure for an 802.11ac Packet

Detect a packet and decode payload bits in an IEEE 802.11ac waveform.

Joint Sampling Clock and Carrier Frequency Offset Tracking

Joint Sampling Clock and Carrier Frequency Offset Tracking

Measure and correct offset of sampling rate and carrier frequency in a WLAN receiver.

802.11 MAC Frame Decoding

802.11 MAC Frame Decoding

Decode IEEE 802.11™ MAC frames.