APPARATUS, SYSTEM AND METHOD OF TRANSMITTING A PPDU

    公开(公告)号:US20230246894A1

    公开(公告)日:2023-08-03

    申请号:US18193241

    申请日:2023-03-30

    Abstract: An apparatus of a transmitter may include, for example, a Golay builder to build modulated Golay sequences for at least a non-EDMG Short Training Field (L-STF), and a non-EDMG Channel Estimation Field (L-CEF) of a PPDU; a scrambler to generate scrambled bits by scrambling bits of a non-EDMG header (L-header) and a data field of the PPDU; an encoder to encode the scrambled bits into encoded bits according to a low-density parity-check (LDPC) code; a constellation mapper to map the encoded bits into a stream of constellation points according to a constellation scheme; a spreader to spread the stream of constellation points according to a Golay sequence; and a transmit chain mapper to map a bit stream output from the Golay builder and the spreader to a plurality of transmit chains by applying a spatial expansion with relative cyclic shift over the plurality of transmit chains.

    Apparatus, system and method of transmitting a PPDU

    公开(公告)号:US11683211B2

    公开(公告)日:2023-06-20

    申请号:US17346951

    申请日:2021-06-14

    Abstract: An apparatus of a transmitter may include, for example, a Golay builder to build modulated Golay sequences for at least a non-EDMG Short Training Field (L-STF), and a non-EDMG Channel Estimation Field (L-CEF) of a PPDU; a scrambler to generate scrambled bits by scrambling bits of a non-EDMG header (L-header) and a data field of the PPDU; an encoder to encode the scrambled bits into encoded bits according to a low-density parity-check (LDDC) code; a constellation mapper to map the encoded bits into a stream of constellation points according to a constellation scheme; a spreader to spread the stream of constellation points according to a Golay sequence; and a transmit chain mapper to map a bit stream output from the Golay builder and the spreader to a plurality of transmit chains by applying a spatial expansion with relative cyclic shift over the plurality of transmit chains.

    Channel estimation fields for wireless networks

    公开(公告)号:US11245553B2

    公开(公告)日:2022-02-08

    申请号:US16684908

    申请日:2019-11-15

    Abstract: This disclosure describes methods, apparatus, and systems related to a channel estimation field (CEF) for various standards, for example, the 802.11ay standard, for single carrier (SC) MIMO channel estimation. In one embodiment, the CEF can use Golay complementary sequences. In another embodiment, the Golay complementary sequences can be defined similar to Golay complementary sequences definitions that can be found in various legacy standards, for example, the legacy 802.11ad standard. Various embodiments of the disclosure can allow channel estimation in the time domain and/or frequency domain, having small or negligible inter-stream interference. Various embodiments of the disclosure can enable an extendable structure for various M×N MIMO configurations, where M and N are positive integers.

    ENHANCED ACKNOWLEDGMENT AND POWER SAVING FOR WIRELESS COMMUNICATIONS

    公开(公告)号:US20200350961A1

    公开(公告)日:2020-11-05

    申请号:US16866762

    申请日:2020-05-05

    Abstract: This disclosure describes systems, methods, and devices related to using enhanced acknowledgment and power save. A device may determine a multi-user (MU) multiple-input multiple-output (MIMO) frame associated with a MU-MIMO group. The device may determine a first portion of the MU-MIMO frame associated with the first station device of the MU-MIMO group, wherein the first portion comprises a first indication of a first time offset associated with the first station device. The device may determine a second portion of the MU-MIMO frame associated with the second station device of the MU-MIMO group, wherein the second portion comprises a second indication of a second time offset associated with the second station device. The device may cause to send the MU-MIMO frame to the MU-MIMO group. The device may identify a first acknowledgment from the first station device based on the first time offset.

    Apparatus, system and method of asymmetric beamforming training

    公开(公告)号:US10826585B2

    公开(公告)日:2020-11-03

    申请号:US16123271

    申请日:2018-09-06

    Abstract: For example, an EDMG initiator STA of an asymmetric beamforming training may be configured to, during a Beacon Transmission Interval (BTI) in a Beacon Interval (BI), transmit a beacon via a sector of the EDMG initiator STA, the beacon including allocation information to allocate a beamforming training allocation for asymmetric beamforming training of the sector during a Data Transfer Interval (DTI) in the BI after the BTI, the beacon including one or more Receive Training (TRN-R) subfields for the asymmetric beamforming training of the sector; during the beamforming training allocation, to listen on the sector for one or more Sector Sweep (SSW) frames from one or more EDMG responder STAs; and, during the beamforming training allocation, to transmit via the sector a sector acknowledgement (ACK) frame including information based on the one or more SSW frames.

    APPARATUS, SYSTEM AND METHOD OF COMMUNICATING A PPDU WITH GOLAY SEQUENCES

    公开(公告)号:US20200313786A1

    公开(公告)日:2020-10-01

    申请号:US16879792

    申请日:2020-05-21

    Abstract: Some demonstrative embodiments include apparatuses, devices, systems and methods of communicating a channel estimation field with Golay Sequences. For example, an apparatus may include logic and circuitry configured to cause a wireless station to determine a first sequence having a length of 1536 based on a first combination of a pair of Golay sequences, each Golay sequence of the pair of Golay sequences having a length of 384; to determine a second sequence having a length of 1536 based on a second combination of the pair of Golay sequences; and to transmit an Enhanced Directional Multi-Gigabit (EDMG) Physical Layer Convergence Protocol (PLCP) Protocol Data Unit (PPDU) over a channel in a frequency band above 45 Ghz, the EDMG PPDU including an EDMG Channel Estimation Field (CEF) including the first sequence followed by the second sequence, the channel having a channel bandwidth of 6.48 GHz or an integer multiple of 6.48 GHz.

    Apparatus, system and method of communicating a single carrier (SC) transmission

    公开(公告)号:US10651978B2

    公开(公告)日:2020-05-12

    申请号:US16403561

    申请日:2019-05-05

    Abstract: Some demonstrative embodiments include apparatus, system and method of communicating a Single Carrier (SC) transmission. For example, an apparatus of a SC Physical Layer (PHY) transmitter may include a spatial stream parser to distribute encoded bits of a Physical Layer Convergence Procedure (PLCP) Service Data Unit (PSDU) to a plurality of spatial streams; a plurality of constellation mappers to map encoded bits of the plurality of spatial streams into a respective plurality of streams of constellation symbols according to a constellation scheme; a Space Time Block Code (STBC) encoder to encode the plurality of streams of constellation symbols into SC symbol blocks over a plurality of space-time streams; and a transmit beamforming module to map the plurality of space-time streams to a plurality of transmit chains.

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