US 11,902,070 B2
Apparatus, system and method of communicating a physical layer protocol data unit (PPDU) including a training field
Artyom Lomayev, Nizhny Novgorod (RU); Alexander Maltsev, Nizhny Novgorod (RU); Claudio Da Silva, Portland, OR (US); and Carlos Cordeiro, Portland, OR (US)
Assigned to INTEL CORPORATION, Santa Clara, CA (US)
Filed by INTEL CORPORATION, Santa Clara, CA (US)
Filed on Oct. 24, 2022, as Appl. No. 17/972,200.
Application 17/972,200 is a continuation of application No. 17/120,473, filed on Dec. 14, 2020, granted, now 11,516,062.
Application 17/120,473 is a continuation of application No. 16/056,787, filed on Aug. 7, 2018, granted, now 10,904,062, issued on Jan. 26, 2021.
Claims priority of provisional application 62/556,453, filed on Sep. 10, 2017.
Claims priority of provisional application 62/554,083, filed on Sep. 5, 2017.
Claims priority of provisional application 62/542,372, filed on Aug. 8, 2017.
Prior Publication US 2023/0308331 A1, Sep. 28, 2023
This patent is subject to a terminal disclaimer.
Int. Cl. H04L 27/26 (2006.01); H04L 5/00 (2006.01)
CPC H04L 27/26136 (2021.01) [H04L 27/262 (2013.01); H04L 27/2613 (2013.01); H04L 27/2617 (2013.01); H04L 27/2646 (2013.01); H04L 27/2662 (2013.01); H04L 27/2666 (2013.01); H04L 27/2672 (2013.01); H04L 5/0007 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An apparatus comprising:
Enhanced Directional Multi-Gigabit (DMG) (EDMG) Physical Layer (PHY) circuitry configured to:
provide a plurality of Orthogonal Frequency Division Multiplexing (OFDM) Training (TRN) sequences in a frequency domain, the plurality of OFDM TRN sequences corresponding to a plurality of transmit chains to transmit a TRN field of an EDMG OFDM PHY Protocol Data Unit (PPDU) over a channel bandwidth of 2.16 Gigahertz (GHz), the plurality of OFDM TRN sequences comprising a first OFDM TRN sequence corresponding to a first transmit chain, and a second OFDM TRN sequence corresponding to a second transmit chain,
wherein the first OFDM TRN sequence comprises a sequence TRN-BASIC1−177,177=[Seq1left, 176, 0, 0, 0, Seq1right, 176],
wherein Seq1left, 176={−1 −j −j +1 +j −j +1 −1 +1 −j −1 +1 −1 +1 −j −1 −1 +j +j +j −1 −1 +1 +j +j −1 −j +j −1 +1 −1 +j +1 +1 −1 +1 −j −1 −1 +j +j +j −1 −1 +j −1 −1 −j +1 −1 −j +j −j −1 +j −j +j −j −1 +j +j +1 +1 +1 +j +j +j −1 −1 −j +1 −1 −j +j −j −1 +j +j −j +j +1 −j −j −1 −1 −1 −j −j +j −1 −1 −j +1 −1 −j +j −j −1 +j −j +j −j −1 +j +j +1 +1 +1 +j +j −j +1 +1 +j −1 +1 +j −j +j +1 −j −j +j −j −1 +j +j +1 +1 +1 +j +j −1 −j −j +1 +j −j +1 −1 +1 −j −1 +1 −1 +1 −j −1 −1 +j +j +j −1 −1 −1 −j −j +1 +j −j +1 −1 +1 −j −1 −1 +1 −1 +j +1 +1 −j −j −j +1 +1},
and Seq1right, 176={−1 −j −j +1 +j −j +1 −1 +1 −j −1 +1 −1 +1 −j −1 −1 +j +j +j −1 −1 +1 +j +j −1 −j +j −1 +1 −1 +j +1 +1 −1 +1 −j −1 −1 +j +j +j −1 −1 +j −1 −1 −j +1 −1 −j +j −j −1 +j −j +j −j −1 +j +j +1 +1 +1 +j +j +j −1 −1 −j +1 −1 −j +j −j −1 +j +j −j +j +1 −j −j −1 −1 −1 −j −j −j +1 +1 +j −1 +1 +j −j +j +1 −j +j −j +j +1 −j −j −1 −1 −1 −j −j +j −1 −1 −j +1 −1 −j +j −j −1 +j +j −j +j +1 −j −j −1 −1 −1 −j −j +1 +j +j −1 −j +j −1 +1 −1 +j +1 −1 +1 −1 +j +1 +1 −j −j −j +1 +1 +1 +j +j −1 −j +j −1 +1 −1 +j +1 +1 −1 +1 −j −1 −1 +j +j +j −1 −1},
wherein the second OFDM TRN sequence comprises a sequence TRN-BASIC2−177,177=[Seq2left, 176, 0, 0, 0, Seq2right, 176],
wherein Seq2left, 176={+1 −j −j −1 +j −j −1 +1 −1 −j +1 +1 −j −j −1 +j −j −1 +1 −1 −j +1 +j +1 +1 −j −1 +1 −j +j −j +1 +j −j −1 −1 +j +1 −1 +j −j +j −1 −j +1 −1 +1 +j −1 −1 −j −j −j −1 −1 +1 −1 +1 +j −1 −1 −j −j −j −1 −1 +j −j +j −1 −j −j +1 +1 +1 −j −j −j +j −j +1 +j +j −1 −1 −1 +j +j +j +1 +1 −j −1 +1 −j +j −j +1 +j −j −1 −1 +j +1 −1 +j −j +j −1 −j −1 +j +j +1 −j +j +1 −1 +1 +j −1 −1 +j +j +1 −j +j +1 −1 +1 +j −1 −j +j −j +1 +j +j −1 −1 −1 +j +j +j −j +j −1 −j −j +1 +1 +1 −j −j +1 −1 +1 +j −1 −1 −j −j −j −1 −1 +1 −1 +1 +j −1 −1 −j −j −j −1 −1},
and Seq2right, 176={−1 +j +j +1 −j +j +1 −1 +1 +j 1 −1 +j +j +1 −j +j +1 −1 +1 +j −1 +j +1 +1 −j −1 +1 −j +j −j +1 +j −j −1 −1 +j +1 −1 +j −j +j −1 −j −1 +1 −1 −j +1 +1 +j +j +j +1 +1 −1 +1 −1 −j +1 +1 +j +j +j +1 +1 +j −j +j −1 −j −j +1 ++1 −j −j −j +j −j +1 +j +j −1 −1 −1 +j +j −j −1 −1 +j +1 −1 +j −j +j −1 −j +j +1 +1 −j −1 +1 −j +j −j +1 +j −1 +j +j +1 −j +j +1 −1 +1 +j −1 −1 +j +j +1 −j +j +1 −1 +1 +j −1 +j −j +j −1 −j −j +1 +1 +1 −j −j −j +j −j +1 +j +j −1 −1 −1 +j +j +1 −1 +1 +j −1 −1 −j −j −j −1 −1 +1 −1 +1 +j −1 −1 −j −j −j −1 −1}; and
generate a plurality of TRN transmit waveforms in a time domain based on the plurality of OFDM TRN sequences, wherein the plurality of TRN transmit waveforms comprises a first TRN transmit waveform based on the first OFDM TRN sequence corresponding to the first transmit chain, and a second TRN transmit waveform based on the second OFDM TRN sequence corresponding to the second transmit chain; and memory circuitry to store information processed by the EDMG PHY circuitry.