WO2019014264A1 - Format de trame amélioré pour communications sans fil par canal de 2,16 ghz mono-utilisateur - Google Patents

Format de trame amélioré pour communications sans fil par canal de 2,16 ghz mono-utilisateur Download PDF

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Publication number
WO2019014264A1
WO2019014264A1 PCT/US2018/041505 US2018041505W WO2019014264A1 WO 2019014264 A1 WO2019014264 A1 WO 2019014264A1 US 2018041505 W US2018041505 W US 2018041505W WO 2019014264 A1 WO2019014264 A1 WO 2019014264A1
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Prior art keywords
edmg
single user
mmwave
golay sequence
ppdu
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PCT/US2018/041505
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English (en)
Inventor
Carlos Cordeiro
Artyom LOMAYEV
Claudio DA SILVIA
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Intel IP Corporation
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H04L27/261—Details of reference signals
    • H04L27/2613—Structure of the reference signals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/26—Systems using multi-frequency codes
    • H04L27/2601—Multicarrier modulation systems
    • H04L27/2602—Signal structure
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols

Definitions

  • This disclosure generally relates to systems and methods for wireless communications and, more particularly, to a frame format for single user 2.16 GHz channel enhanced directional multi-gigabit (EDMG) physical layer protocol data unit (PPDU) transmissions.
  • EDMG enhanced directional multi-gigabit
  • PPDU physical layer protocol data unit
  • Wireless devices are becoming widely prevalent and are increasingly requesting access to wireless channels.
  • the growing density of wireless deployments require increased network and spectrum availability.
  • Wireless devices may communicate over a next generation 60 GHz (NG60) network, an enhanced directional multi-gigabit (EDMG) network, and/or any other network.
  • NG60 next generation 60 GHz
  • EDMG enhanced directional multi-gigabit
  • FIG. 1 is a network diagram illustrating an example network environment, in accordance with one or more example embodiments of the present disclosure.
  • FIG. 2 illustrates a portion of an enhanced single user 2.16 GHz EDMG PPDU format, in accordance with one or more example embodiments of the present disclosure.
  • FIG. 3A depicts a flow diagram of an illustrative process for enhanced single user 2.16 GHz channel wireless communications, in accordance with one or more example embodiments of the present disclosure.
  • FIG. 3B depicts a flow diagram of an illustrative process for enhanced single user 2.16 GHz channel wireless communications, in accordance with one or more example embodiments of the present disclosure.
  • FIG. 4 shows a functional diagram of an exemplary communication station that may be suitable for use as a user device, in accordance with one or more example embodiments of the present disclosure.
  • FIG. 5 is a block diagram of an example machine upon which any of one or more techniques (e.g., methods) may be performed, in accordance with one or more example embodiments of the present disclosure.
  • the IEEE 802.11ay wireless communication standard has defined protocols for wireless Wi-Fi communications in the millimeter wave (mmWave) band (e.g., 60 GHz), which represents an evolution of the IEEE 802.1 lad standard known as WiGig.
  • the protocols defined in the IEEE 802.1 lay standard may increase a transmission data rate by applying multiple input, multiple output (MIMO) and channel bonding techniques.
  • MIMO may refer to a device transmitter sending or receiver receiving more than one wireless signal using multiple communication paths.
  • Channel bonding may refer to the combination of multiple communication links (e.g., multiple 20 MHz channels).
  • the IEEE 802.1 lay standard may define mesh networking, which may require changes to the existing design of physical layer (PHY) and medium access control (MAC) layer protocols (e.g., as defined in other versions of the IEEE 802.11 standard).
  • PHY physical layer
  • MAC medium access control
  • the structure of a PHY frame may need to be modified.
  • some EDMG fields of an mmWave EDMG PPDU e.g., as opposed to legacy fields
  • the undefined EDMG fields may be useful to devices in determining interference, for example.
  • the currently undefined EDMG fields of the 2.16 GHz mmWave EDMG PPDU in single user mode for a single spatial stream may be transmitted using the same complementary Golay sequences with a length of 128 chips.
  • some existing legacy fields in the single user 2.16 GHz mmWave EDMG PPDU may include sufficient information for performing interference estimations, so including the currently undefined fields with the same Golay sequences of length 128 may add significant overhead to the EDMG PPDU.
  • the currently undefined EDMG fields may be useful in multi-user detections and calculations (e.g., identifying that an EDMG PPDU is addressed to a particular device, and determining interference), so their inclusion in an mmWave EDMG PPDU in a 2.16 GHz transmission in single user mode may be useful if the fields are enhanced.
  • Example embodiments of the present disclosure relate to systems, methods, and devices for enhanced single user 2.16 GHz channel mmWave EDMG PPDU communications.
  • an mmWave EDMG PPDU format may be defined for 2.16 GHz single user communications in a single spatial stream.
  • an existing EDMG PPDU format may be modified for a single space-time stream to define the EDMG short training field (EDMG-STF) and the EDMG channel estimation field (EDMG-CEF) of an EDMG PPDU for single user 2.16 GHz channel single user communications.
  • EDMG-STF and EDMG-CEF fields may use complementary Golay sequences to support a signal structure.
  • Existing EDMG PPDUs may include fields such as a legacy short training field (L- STF), a legacy channel estimation field (L-CEF), a legacy header (L-Header), an EDMG- Header-A field, an EDMG-STF field, and EDMG-CEF field, a data field, and an optional training field (TRN).
  • L-STF, L-CEF, and L-Header fields may be directional multi-gigabit (DMG) compatible and configured according to the legacy IEEE 802. Had standard.
  • the EDMG fields may be new, and the EDMG-STF field and EDMG-CEF field may not be defined for single user 2.16 GH communications.
  • the EDMG-STF field and EDMG-CEF field may be included and defined in the EDMG PPDU using Golay sequences.
  • a mesh network for EDMG communications may require the EDMG-STF and EDMG-CEF fields even in a transmission using a 2.16 GHz channel in single user mode.
  • Enhanced modifications to existing EDMG PPDUs may include the EDMG-STF and EDMG-CEF fields, whose inclusion in an EDMG PPDU may be indicated by a dedicated bit in the L-Header or in the EDMG-Header-A.
  • the EDMG-STF and EDMG-CEF fields may use complementary Golay sequences (e.g., Golay sequences Ga and Gb), which may be mutually orthogonal to all sequences used in an IEEE 802.1 lay EDMG PPDU design for single input, single output (SISO) and MIMO transmissions.
  • a station device (STA) dynamically may select the Ga and Gb sequences used for the EDMG-STF and EDMG-CEF fields from a predefined set of Golay sequences, or an access point (AP) may configure an STA to use specific Ga and Gb sequences.
  • the recursive procedure may generate pairs of complementary sequences (e.g., a pair of Ga and Gb).
  • W k may be a weight vector
  • D k may be a delay vector.
  • the pairs of complementary Golay sequences for the EDMG-STF and EDMG-CEF fields may be generated.
  • a complementary Golay sequence pair may be included in the EDMG-STF and EDMG-CEF fields of a single user 2.16 GHz mmWave EDMG PPDU.
  • the EDMG-STF may include one or more Ga sequences
  • the EDMG- CEF may include one or more combinations of Ga and Gb (e.g., Ga, Gb, -Ga, Gb, Ga, -Gb, etc.).
  • the combinations of Ga and Gb in the EDMG-CEF may be generated using a phase shift (e.g., a 180 degree phase shift using binary phase shift keying), so the respective Ga and Gb sequences may be multiplied by a +1 or -1 value.
  • the Ga and Gb sequences in the EDMG-STF and EDMG-CEF fields may indicate an identifier of a device for which an EDMG PPDU is intended.
  • the sequences may be defined on a per-user basis to allow for differentiation between users.
  • the pair of Ga and Gb may be unique and associated with a particular device. This way, a receiving device may identify whether the Ga and Gb are associated with the device or whether the EDMG PPDU is interference to the device.
  • FIG. 1 is a network diagram illustrating an example network environment 100, according to some example embodiments of the present disclosure.
  • Wireless network 100 may include one or more user devices 120 and one or more access points(s) (AP) 102, which may communicate in accordance with IEEE 802.11 communication standards.
  • the user device(s) 120 may be mobile devices that are non-stationary (e.g., not having fixed locations) or may be stationary devices.
  • the user devices 120 and the AP 102 may include one or more computer systems similar to that of the functional diagram of FIG. 4 and/or the example machine/system of FIG. 5.
  • One or more illustrative user device(s) 120 and/or AP(s) 102 may be operable by one or more user(s) 110. It should be noted that any addressable unit may be a station (STA). An STA may take on multiple distinct characteristics, each of which shape its function. For example, a single addressable unit might simultaneously be a portable STA, a quality-of- service (QoS) STA, a dependent STA, and a hidden STA. The one or more illustrative user device(s) 120 and the AP(s) 102 may be STAs.
  • STA station
  • An STA may take on multiple distinct characteristics, each of which shape its function. For example, a single addressable unit might simultaneously be a portable STA, a quality-of- service (QoS) STA, a dependent STA, and a hidden STA.
  • QoS quality-of- service
  • the one or more illustrative user device(s) 120 and/or AP(s) 102 may operate as a personal basic service set (PBSS) control point/access point (PCP/AP).
  • PBSS personal basic service set
  • PCP/AP control point/access point
  • the user device(s) 120 (e.g., 124, 126, or 128) and/or AP(s) 102 may include any suitable processor-driven device including, but not limited to, a mobile device or a non-mobile, (e.g., static) device.
  • user device(s) 120 and/or AP(s) 102 may include, a user equipment (UE), a station (STA), an access point (AP), a software enabled AP (SoftAP), a personal computer (PC), a wearable wireless device (e.g., bracelet, watch, glasses, ring, etc.), a desktop computer, a mobile computer, a laptop computer, an ultrabookTM computer, a notebook computer, a tablet computer, a server computer, a handheld computer, a handheld device, an internet of things (IoT) device, a sensor device, a PDA device, a handheld PDA device, an on-board device, an off-board device, a hybrid device (e.g., combining cellular phone functionalities with PDA device functionalities), a consumer device, a vehicular device, a non-vehicular device, a mobile or portable device, a non-mobile or non-portable device, a mobile phone, a cellular telephone, a PCS device, a PDA
  • IoT Internet of Things
  • IP Internet protocol
  • ID Bluetooth identifier
  • NFC near-field communication
  • An IoT device may have a passive communication interface, such as a quick response (QR) code, a radio-frequency identification (RFID) tag, an NFC tag, or the like, or an active communication interface, such as a modem, a transceiver, a transmitter-receiver, or the like.
  • QR quick response
  • RFID radio-frequency identification
  • An IoT device may have a particular set of attributes (e.g., a device state or status, such as whether the IoT device is on or off, open or closed, idle or active, available for task execution or busy, and so on, a cooling or heating function, an environmental monitoring or recording function, a light-emitting function, a sound-emitting function, etc.) that may be embedded in and/or controlled/monitored by a central processing unit (CPU), microprocessor, ASIC, or the like, and configured for connection to an IoT network such as a local ad-hoc network or the Internet.
  • a device state or status such as whether the IoT device is on or off, open or closed, idle or active, available for task execution or busy, and so on, a cooling or heating function, an environmental monitoring or recording function, a light-emitting function, a sound-emitting function, etc.
  • CPU central processing unit
  • ASIC application specific integrated circuitry
  • IoT devices may include, but are not limited to, refrigerators, toasters, ovens, microwaves, freezers, dishwashers, dishes, hand tools, clothes washers, clothes dryers, furnaces, air conditioners, thermostats, televisions, light fixtures, vacuum cleaners, sprinklers, electricity meters, gas meters, etc., so long as the devices are equipped with an addressable communications interface for communicating with the IoT network.
  • IoT devices may also include cell phones, desktop computers, laptop computers, tablet computers, personal digital assistants (PDAs), etc.
  • the IoT network may be comprised of a combination of "legacy" Internet-accessible devices (e.g., laptop or desktop computers, cell phones, etc.) in addition to devices that do not typically have Internet-connectivity (e.g., dishwashers, etc.).
  • “legacy” Internet-accessible devices e.g., laptop or desktop computers, cell phones, etc.
  • devices that do not typically have Internet-connectivity e.g., dishwashers, etc.
  • the user device(s) 120 and/or AP(s) 102 may also include mesh stations in, for example, a mesh network, in accordance with one or more IEEE 802.11 standards and/or 3 GPP standards.
  • Any of the user device(s) 120 may be configured to communicate with each other via one or more communications networks 130 and/or 135 wirelessly or wired.
  • the user device(s) 120 may also communicate peer-to-peer or directly with each other with or without the AP(s) 102.
  • Any of the communications networks 130 and/or 135 may include, but not limited to, any one of a combination of different types of suitable communications networks such as, for example, broadcasting networks, cable networks, public networks (e.g., the Internet), private networks, wireless networks, cellular networks, or any other suitable private and/or public networks.
  • any of the communications networks 130 and/or 135 may have any suitable communication range associated therewith and may include, for example, global networks (e.g., the Internet), metropolitan area networks (MANs), wide area networks (WANs), local area networks (LANs), or personal area networks (PANs).
  • any of the communications networks 130 and/or 135 may include any type of medium over which network traffic may be carried including, but not limited to, coaxial cable, twisted-pair wire, optical fiber, a hybrid fiber coaxial (HFC) medium, microwave terrestrial transceivers, radio frequency communication mediums, white space communication mediums, ultra-high frequency communication mediums, satellite communication mediums, or any combination thereof.
  • coaxial cable twisted-pair wire
  • optical fiber a hybrid fiber coaxial (HFC) medium
  • microwave terrestrial transceivers microwave terrestrial transceivers
  • radio frequency communication mediums white space communication mediums
  • ultra-high frequency communication mediums satellite communication mediums, or any combination thereof.
  • Any of the user device(s) 120 may include one or more communications antennas.
  • the one or more communications antennas may be any suitable type of antennas corresponding to the communications protocols used by the user device(s) 120 (e.g., user devices 124, 126 and 128), and AP(s) 102.
  • suitable communications antennas include Wi-Fi antennas, Institute of Electrical and Electronics Engineers (IEEE) 802.11 family of standards compatible antennas, directional antennas, non-directional antennas, dipole antennas, folded dipole antennas, patch antennas, multiple-input multiple-output (MIMO) antennas, omnidirectional antennas, quasi- omnidirectional antennas, or the like.
  • the one or more communications antennas may be communicatively coupled to a radio component to transmit and/or receive signals, such as communications signals to and/or from the user devices 120 and/or AP(s) 102.
  • Any of the user device(s) 120 may be configured to perform directional transmission and/or directional reception in conjunction with wirelessly communicating in a wireless network.
  • Any of the user device(s) 120 e.g., user devices 124, 126, 128), and AP(s) 102 may be configured to perform such directional transmission and/or reception using a set of multiple antenna arrays (e.g., DMG antenna arrays or the like). Each of the multiple antenna arrays may be used for transmission and/or reception in a particular respective direction or range of directions.
  • Any of the user device(s) 120 (e.g., user devices 124, 126, 128), and AP(s) 102 may be configured to perform any given directional transmission towards one or more defined transmit sectors. Any of the user device(s) 120 (e.g., user devices 124, 126, 128), and AP(s) 102 may be configured to perform any given directional reception from one or more defined receive sectors.
  • MIMO beamforming in a wireless network may be accomplished using RF beamforming and/or digital beamforming.
  • user devices 120 and/or AP(s) 102 may be configured to use all or a subset of its one or more communications antennas to perform MIMO beamforming.
  • Any of the user devices 120 may include any suitable radio and/or transceiver for transmitting and/or receiving radio frequency (RF) signals in the bandwidth and/or channels corresponding to the communications protocols utilized by any of the user device(s) 120 and AP(s) 102 to communicate with each other.
  • the radio components may include hardware and/or software to modulate and/or demodulate communications signals according to pre-established transmission protocols.
  • the radio components may further have hardware and/or software instructions to communicate via one or more Wi-Fi and/or Wi-Fi direct protocols, as standardized by the Institute of Electrical and Electronics Engineers (IEEE) 802.11 standards.
  • the radio component in cooperation with the communications antennas, may be configured to communicate via 2.4 GHz channels (e.g., 802.11b, 802. l lg, 802.11 ⁇ , 802.1 lax), 5 GHz channels (e.g., 802.11 ⁇ , 802.11ac, 802.1 lax), or 60 GHz channels (e.g., 802.1 lad).
  • non-Wi-Fi protocols may be used for communications between devices, such as Bluetooth, dedicated short-range communication (DSRC), Ultra-High Frequency (UHF) (e.g. IEEE 802.11af, IEEE 802.22), white band frequency (e.g., white spaces), or other packetized radio communications.
  • the radio component may include any known receiver and baseband suitable for communicating via the communications protocols.
  • the radio component may further include a low noise amplifier (LNA), additional signal amplifiers, an analog-to-digital (A/D) converter, one or more buffers, and digital baseband.
  • LNA low noise amplifier
  • A/D analog-to-digital converter
  • the AP 102 and user devices 120 may exchange EDMG PPDUs 142.
  • the exchange of the EDMG PPDUs 142 may be in a single spatial stream in a single user 2.16 GHz transmission, and the EDMG PPDUs may include EDMG-STF and EDMG-CEF fields with complementary pairs of Golay sequences.
  • FIG. 2 illustrates a portion 200 of enhanced single user 2.16 GHz EDMG PPDU format, in accordance with one or more example embodiments of the present disclosure.
  • the portion 200 of the enhanced single user 2.16 GHz mmWave EDMG PPDU may include multiple fields, such as an L-STF 202, an L-CEF 204, an L-Header 206, an EDMG-Header-A 208, an EDMG-STF 210, and EDMG-CEF 212, a data field 214 and optional training field (TRN) 216 (e.g., for beamforming training).
  • the L-STF 202, L-CEF 204, L-Header 206 may be legacy fields defined by the IEEE 802. Had standard, for example, and the L-STF 202 and the L-CEF 204 may be sufficient to perform estimations such as whether the EDMG PPDU is intended for a particular device or is interference for a particular device.
  • a complementary Golay sequence pair may be included in the EDMG-STF 210 and EDMG-CEF 212 of a single user 2.16 GHz EDMG PPDU.
  • the EDMG-STF 210 may include one or more Ga sequences
  • the EDMG- CEF 212 may include one or more combinations of Ga and Gb (e.g., Ga, Gb, -Ga, Gb, Ga, - Gb, etc.).
  • the combinations of Ga and Gb in the EDMG-CEF 212 may be generated using a phase shift (e.g., a 180 degree phase shift using binary phase shift keying), so the respective Ga and Gb sequences may be multiplied by a +1 or -1 value.
  • a phase shift e.g., a 180 degree phase shift using binary phase shift keying
  • the L-Header 206 or the EDMG-Header-A 208 may include an indication (e.g., using a dedicated bit) that the EDMG-STF 210 and the EDMG- CEF 212 are present in a 2.16 GHz transmission.
  • the device may determine whether the EDMG-STF 210 and the EDMG-CEF 212 are present based on an identification of the indication in the L-Header 206 or the EDMG-Header- A 208.
  • the EDMG-STF 210 and EDMG-CEF 212 may include a pair of complementary Golay sequences to indicate whether the EDMG PPDU is intended for a particular device or is interference for a particular device.
  • the pair of complementary Golay sequences may be mutually orthogonal to all sequences used in an IEEE 802.1 lay EDMG PPDU design for single input, single output (SISO) and MIMO transmissions.
  • An STA dynamically may select the Ga and Gb sequences used for the EDMG- STF 210 and EDMG-CEF 212 from a predefined set of Golay sequences, or an access point (AP) may configure an STA to use specific Ga and Gb sequences.
  • the recursive procedure may generate pairs of complementary sequences (e.g., a pair of Ga and Gb).
  • W k may be a weight vector
  • D k may be a delay vector.
  • the W k vector may correspond to the sequences shown below in Table 1. [0041] Table 1: Weight Vectors Corresponding to Sequences in a Set
  • the Golay sequences and frame format for the EDMG single user 2.16 GHz PPDU in single user mode for a single spatial stream may be used in part or entirely by EDMG PPDU frame formats for other bandwidths (e.g., 4.32 GHz, 6.48 GHz, 8.64 GHz, 2.16 GHz+2.16 GHz aggregated, 4.32 GHz+4.32 GHz aggregated) and/or other numbers of spatial streams.
  • bandwidths e.g., 4.32 GHz, 6.48 GHz, 8.64 GHz, 2.16 GHz+2.16 GHz aggregated, 4.32 GHz+4.32 GHz aggregated
  • FIG. 3A illustrates a flow diagram of an illustrative process 300 for enhanced single user 2.16 GHz channel wireless communications, in accordance with one or more embodiments of the disclosure.
  • one or more processors of a device may determine an EDMG-STF (e.g., EDMG-STF 210 of FIG. 2) of a single user mmWave EDMG PPDU, the EDMG-STF including a first Golay sequence of a complementary Golay sequence pair.
  • the Golay sequence pair may be one of multiple pairs of Golay sequences for which each pair of Golay sequences corresponds to a specific STA (e.g., user device 120 of FIG. 1).
  • An STA may select a Golay sequence pair by communicating an indication of the pair to the device, or the device may communicate an indication of the respective Golay sequence pair associated with an STA.
  • the Golay sequences may be generated using an iterative process that includes determining a weight vector and a delay vector.
  • the weight vector may vary based on a sequence (e.g., as shown in Table 1), and the delay vector may be constant.
  • the iterative process may generate Golay sequences of length 128, with Golay sequence pairs including Golay sequences being complementary to one another.
  • the one or more processors of the device may determine an EDMG- CEF (e.g., EDMG-CEF 212 of FIG. 2) of the single user mmWave EDMG PPDU, the EDMG- CEF including the first Golay sequence and a second Golay sequence of the complementary Golay sequence pair.
  • the first and second Golay sequences in the pair may be selected based on an STA (e.g., user device 120 of FIG. 1) to which the EDMG PPDU is addressed.
  • a receiving STA may identify the EDMG-STF and EDMG-CEF, which may not normally be defined in a 2.16 GHz transmission in single user mode, and may determine whether the EDMG PPDU is intended for the STA or is interference.
  • the one or more processors of the device may determine the single user mmWave EDMG PPDU, comprising an indication of a presence of the EDMG-STF and of the EDMG-CEF.
  • the indication of a presence of the EDMG-STF and the EDMG-CEF may be included in an L-Header (e.g., L-Header 206 of FIG. 2) or in an EDMG-Header-A (e.g., EDMG-Header-A 208 of FIG. 2).
  • the indication may be a dedicated bit which indicates that the EDMG-STF and the EDMG-CEF are present and defined by in the EDMG PPDU.
  • the one or more processors of the device may cause the device to send the single user mmWave EDMG PPDU in a 2.16 GHz channel.
  • the transmission of an EDMG PPDU in a 2.16 GHz channel in a single user mode normally may not include the EDMG-STF and the EDMG-CEF, so the defined frame format may be an enhancement.
  • the transmission of the EDMG PPDU may be in a single spatial stream.
  • FIG. 3B illustrates a flow diagram of an illustrative process 350 for enhanced single user 2.16 GHz channel wireless communications, in accordance with one or more embodiments of the disclosure.
  • one or more processors of a device may identify a first single user mmWave EDMG PPDU received from an AP (e.g., AP 102 of FIG. 1) in a 2.16 GHz channel.
  • the EDMG PPDU may be transmitted in a single spatial stream.
  • the one or more processors of the device may determine an EDMG- STF (e.g., EDMG-STF 210 of FIG. 2) of the first single user mmWave EDMG PPDU, the EDMG-STF including a first Golay sequence of a complementary Golay sequence pair.
  • the Golay sequence pair may be one of multiple pairs of Golay sequences for which each pair of Golay sequences corresponds to a specific STA (e.g., user device 120 of FIG. 1).
  • An STA may select a Golay sequence pair by communicating an indication of the pair to the device, or the device may communicate an indication of the respective Golay sequence pair associated with an STA.
  • the Golay sequences may be generated using an iterative process that includes determining a weight vector and a delay vector.
  • the weight vector may vary based on a sequence (e.g., as shown in Table 1), and the delay vector may be constant.
  • the iterative process may generate Golay sequences of length 128, with Golay sequence pairs including Golay sequences being complementary to one another.
  • the one or more processors of the device may determine an EDMG- CEF (e.g., EDMG-CEF 212 of FIG. 2) of the first single user mmWave EDMG PPDU, the EDMG-CEF including the first Golay sequence and a second Golay sequence of the complementary Golay sequence pair.
  • the first and second Golay sequences in the pair may be selected based on the device to which the EDMG PPDU is addressed.
  • the one or more processors of the receiving device may determine, based at least in part on the first Golay sequence and the second Golay sequence, that the first single user mmWave EDMG PPDU is addressed to the first station device.
  • the device may determine an L-Header (e.g., L-Header 206 of FIG. 2) of the first single user EDMG PPDU, wherein the L-Header includes an indication of a presence of the EDMG-STF and of the EDMG- CEF.
  • the device may determine an EDMG-Header-A (e.g., EDMG-Header-A 208 of FIG.
  • the EDMG-Header-A includes an indication of a presence of the EDMG-STF and of the EDMG-CEF.
  • the indication may be a dedicated bit.
  • the device may identify another single user EDMG PPDU in a 2.16 GHz transmission, and may determine that a Golay sequence pair in the EDMG-STF and of the EDMG-CEF is associated with another STA and is therefore interference.
  • FIG. 4 shows a functional diagram of an exemplary communication station 400 in accordance with some embodiments.
  • FIG. 4 illustrates a functional block diagram of a communication station that may be suitable for use as an AP 102 (FIG. 1) or a user device 120 (FIG. 1) in accordance with some embodiments.
  • the communication station 400 may also be suitable for use as a handheld device, a mobile device, a cellular telephone, a smartphone, a tablet, a netbook, a wireless terminal, a laptop computer, a wearable computer device, a femtocell, a high data rate (HDR) subscriber station, an access point, an access terminal, or other personal communication system (PCS) device.
  • HDR high data rate
  • the communication station 400 may include communications circuitry 402 and a transceiver 410 for transmitting and receiving signals to and from other communication stations using one or more antennas 401.
  • the transceiver 410 may be a device comprising both a transmitter and a receiver that are combined and share common circuitry (e.g., communication circuitry 402).
  • the communications circuitry 402 may include amplifiers, filters, mixers, analog to digital and/or digital to analog converters.
  • the transceiver 410 may transmit and receive analog or digital signals.
  • the transceiver 410 may allow reception of signals during transmission periods. This mode is known as full-duplex, and may require the transmitter and receiver to operate on different frequencies to minimize interference between the transmitted signal and the received signal.
  • the transceiver 410 may operate in a half-duplex mode, where the transceiver 410 may transmit or receive signals in one direction at a time.
  • the communications circuitry 402 may include circuitry that may operate the physical layer (PHY) communications and/or media access control (MAC) communications for controlling access to the wireless medium, and/or any other communications layers for transmitting and receiving signals.
  • the communication station 400 may also include processing circuitry 406 and memory 408 arranged to perform the operations described herein. In some embodiments, the communications circuitry 402 and the processing circuitry 406 may be configured to perform operations detailed in FIGs. 2, 3A, and 3B.
  • the communications circuitry 402 may be arranged to contend for a wireless medium and configure frames or packets for communicating over the wireless medium.
  • the communications circuitry 402 may be arranged to transmit and receive signals.
  • the communications circuitry 402 may also include circuitry for modulation/demodulation, upconversion/downconversion, filtering, amplification, etc.
  • the processing circuitry 406 of the communication station 400 may include one or more processors.
  • two or more antennas 401 may be coupled to the communications circuitry 402 arranged for sending and receiving signals.
  • the memory 408 may store information for configuring the processing circuitry 406 to perform operations for configuring and transmitting message frames and performing the various operations described herein.
  • the memory 408 may include any type of memory, including non-transitory memory, for storing information in a form readable by a machine (e.g., a computer).
  • the memory 408 may include a computer-readable storage device, read-only memory (ROM), random-access memory (RAM), magnetic disk storage media, optical storage media, flash-memory devices and other storage devices and media.
  • the communication station 400 may be part of a portable wireless communication device, such as a personal digital assistant (PDA), a laptop or portable computer with wireless communication capability, a web tablet, a wireless telephone, a smartphone, a wireless headset, a pager, an instant messaging device, a digital camera, an access point, a television, a medical device (e.g., a heart rate monitor, a blood pressure monitor, etc.), a wearable computer device, or another device that may receive and/or transmit information wirelessly.
  • PDA personal digital assistant
  • laptop or portable computer with wireless communication capability such as a personal digital assistant (PDA), a laptop or portable computer with wireless communication capability, a web tablet, a wireless telephone, a smartphone, a wireless headset, a pager, an instant messaging device, a digital camera, an access point, a television, a medical device (e.g., a heart rate monitor, a blood pressure monitor, etc.), a wearable computer device, or another device that may receive and/or transmit information wirelessly.
  • the communication station 400 may include one or more antennas 401.
  • the antennas 401 may include one or more directional or omnidirectional antennas, including, for example, dipole antennas, monopole antennas, patch antennas, loop antennas, microstrip antennas, or other types of antennas suitable for transmission of RF signals.
  • a single antenna with multiple apertures may be used instead of two or more antennas.
  • each aperture may be considered a separate antenna.
  • MIMO multiple-input multiple-output
  • the antennas may be effectively separated for spatial diversity and the different channel characteristics that may result between each of the antennas and the antennas of a transmitting station.
  • the communication station 400 may include one or more of a keyboard, a display, a non-volatile memory port, multiple antennas, a graphics processor, an application processor, speakers, and other mobile device elements.
  • the display may be an LCD screen including a touch screen.
  • the communication station 400 is illustrated as having several separate functional elements, two or more of the functional elements may be combined and may be implemented by combinations of software-configured elements, such as processing elements including digital signal processors (DSPs), and/or other hardware elements.
  • processing elements including digital signal processors (DSPs), and/or other hardware elements.
  • DSPs digital signal processors
  • some elements may include one or more microprocessors, DSPs, field-programmable gate arrays (FPGAs), application specific integrated circuits (ASICs), radio-frequency integrated circuits (RFICs) and combinations of various hardware and logic circuitry for performing at least the functions described herein.
  • the functional elements of the communication station 400 may refer to one or more processes operating on one or more processing elements.
  • Certain embodiments may be implemented in one or a combination of hardware, firmware, and software. Other embodiments may also be implemented as instructions stored on a computer-readable storage device, which may be read and executed by at least one processor to perform the operations described herein.
  • a computer-readable storage device may include any non-transitory memory mechanism for storing information in a form readable by a machine (e.g., a computer).
  • a computer-readable storage device may include read-only memory (ROM), random-access memory (RAM), magnetic disk storage media, optical storage media, flash-memory devices, and other storage devices and media.
  • the communication station 400 may include one or more processors and may be configured with instructions stored on a computer-readable storage device.
  • FIG. 5 illustrates a block diagram of an example of a machine 500 or system upon which any one or more of the techniques (e.g., methodologies) discussed herein may be performed.
  • the machine 500 may operate as a standalone device or may be connected (e.g., networked) to other machines.
  • the machine 500 may operate in the capacity of a server machine, a client machine, or both in server-client network environments.
  • the machine 500 may act as a peer machine in peer-to-peer (P2P) (or other distributed) network environments.
  • P2P peer-to-peer
  • the machine 500 may be a personal computer (PC), a tablet PC, a set-top box (STB), a personal digital assistant (PDA), a mobile telephone, a wearable computer device, a web appliance, a network router, a switch or bridge, or any machine capable of executing instructions (sequential or otherwise) that specify actions to be taken by that machine, such as a base station.
  • PC personal computer
  • PDA personal digital assistant
  • STB set-top box
  • mobile telephone a wearable computer device
  • web appliance e.g., a web appliance
  • network router e.g., a router, or bridge
  • switch or bridge any machine capable of executing instructions (sequential or otherwise) that specify actions to be taken by that machine, such as a base station.
  • machine shall also be taken to include any collection of machines that individually or jointly execute a set (or multiple sets) of instructions to perform any one or more of the methodologies discussed herein, such as cloud computing, software as a service (SaaS), or other computer
  • Examples, as described herein, may include or may operate on logic or a number of components, modules, or mechanisms.
  • Modules are tangible entities (e.g., hardware) capable of performing specified operations when operating.
  • a module includes hardware.
  • the hardware may be specifically configured to carry out a specific operation (e.g., hardwired).
  • the hardware may include configurable execution units (e.g., transistors, circuits, etc.) and a computer readable medium containing instructions where the instructions configure the execution units to carry out a specific operation when in operation. The configuring may occur under the direction of the executions units or a loading mechanism. Accordingly, the execution units are communicatively coupled to the computer-readable medium when the device is operating.
  • the execution units may be a member of more than one module.
  • the execution units may be configured by a first set of instructions to implement a first module at one point in time and reconfigured by a second set of instructions to implement a second module at a second point in time.
  • the machine 500 may include a hardware processor 502 (e.g., a central processing unit (CPU), a graphics processing unit (GPU), a hardware processor core, or any combination thereof), a main memory 504 and a static memory 506, some or all of which may communicate with each other via an interlink (e.g., bus) 508.
  • the machine 500 may further include a power management device 532, a graphics display device 510, an alphanumeric input device 512 (e.g., a keyboard), and a user interface (UI) navigation device 514 (e.g., a mouse).
  • a hardware processor 502 e.g., a central processing unit (CPU), a graphics processing unit (GPU), a hardware processor core, or any combination thereof
  • main memory 504 e.g., main memory 504
  • static memory 506 e.g., static memory
  • the machine 500 may further include a power management device 532, a graphics display device 510, an alphanumeric input device 512 (
  • the graphics display device 510, alphanumeric input device 512, and UI navigation device 514 may be a touch screen display.
  • the machine 500 may additionally include a storage device (i.e., drive unit) 516, a signal generation device 518 (e.g., a speaker), an enhanced sequence device 519, a network interface device/transceiver 520 coupled to antenna(s) 530, and one or more sensors 528, such as a global positioning system (GPS) sensor, a compass, an accelerometer, or other sensor.
  • GPS global positioning system
  • the machine 500 may include an output controller 534, such as a serial (e.g., universal serial bus (USB), parallel, or other wired or wireless (e.g., infrared (IR), near field communication (NFC), etc.) connection to communicate with or control one or more peripheral devices (e.g., a printer, a card reader, etc.)).
  • a serial e.g., universal serial bus (USB), parallel, or other wired or wireless (e.g., infrared (IR), near field communication (NFC), etc.) connection to communicate with or control one or more peripheral devices (e.g., a printer, a card reader, etc.)).
  • USB universal serial bus
  • IR infrared
  • NFC near field communication
  • the storage device 516 may include a machine readable medium 522 on which is stored one or more sets of data structures or instructions 524 (e.g., software) embodying or utilized by any one or more of the techniques or functions described herein.
  • the instructions 524 may also reside, completely or at least partially, within the main memory 504, within the static memory 506, or within the hardware processor 502 during execution thereof by the machine 500.
  • one or any combination of the hardware processor 502, the main memory 504, the static memory 506, or the storage device 516 may constitute machine-readable media.
  • the enhanced sequence device 519 may carry out or perform any of the operations and processes (e.g., the process 300 of FIG. 3A, and the process 350 of FIG. 3B) described and shown above.
  • the enhanced sequence device 519 may define an mmWave EDMG PPDU format for 2.16 GHz single user communications in a single spatial stream.
  • an existing EDMG PPDU format may be modified for a single space- time stream to define the EDMG-STF and the EDMG-CEF of an EDMG PPDU for single user 2.16 GHz channel single user communications.
  • the EDMG-STF and EDMG- CEF fields may use complementary Golay sequences to support a signal structure.
  • the enhanced sequence device 519 may modify existing EDMG PPDUs may include the EDMG-STF and EDMG-CEF fields, whose inclusion in an EDMG PPDU may be indicated by a dedicated bit in the L-Header or in the EDMG- Header-A.
  • the enhanced sequence device 519 may include the EDMG-STF and EDMG-CEF fields, which may use complementary Golay sequences (e.g., Golay sequences Ga and Gb), which may be mutually orthogonal to all sequences used in an IEEE 802. Hay EDMG PPDU design for SISO and MIMO transmissions.
  • An STA dynamically may select the Ga and Gb sequences used for the EDMG-STF and EDMG-CEF fields from a predefined set of Golay sequences, or an AP may configure an STA to use specific Ga and Gb sequences.
  • the recursive procedure may generate pairs of complementary sequences (e.g., a pair of Ga and Gb).
  • W k may be a weight vector
  • D k may be a delay vector.
  • EDMG-CEF fields may be generated.
  • the enhanced sequence device 519 may include a complementary Golay sequence pair may in the EDMG-STF and EDMG-CEF fields of a single user 2.16 GHz mmWave EDMG PPDU.
  • the EDMG-STF may include one or more Ga sequences
  • the EDMG-CEF may include one or more combinations of Ga and Gb (e.g., Ga, Gb, -Ga, Gb, Ga, -Gb, etc.).
  • the combinations of Ga and Gb in the EDMG-CEF may be generated using a phase shift (e.g., a 180 degree phase shift using binary phase shift keying), so the respective Ga and Gb sequences may be multiplied by a +1 or -1 value.
  • a phase shift e.g., a 180 degree phase shift using binary phase shift keying
  • the enhanced sequence device 519 may use the Ga and Gb sequences in the EDMG-STF and EDMG-CEF fields to indicate an identifier of a device for which an EDMG PPDU is intended.
  • the sequences may be defined on a per-user basis to allow for differentiation between users.
  • the pair of Ga and Gb may be unique and associated with a particular device. This way, a receiving device may identify whether the Ga and Gb are associated with the device or whether the EDMG PPDU is interference to the device.
  • machine-readable medium 522 is illustrated as a single medium, the term “machine-readable medium” may include a single medium or multiple media (e.g., a centralized or distributed database, and/or associated caches and servers) configured to store the one or more instructions 524.
  • machine-readable medium may include a single medium or multiple media (e.g., a centralized or distributed database, and/or associated caches and servers) configured to store the one or more instructions 524.
  • Various embodiments may be implemented fully or partially in software and/or firmware.
  • This software and/or firmware may take the form of instructions contained in or on a non-transitory computer-readable storage medium. Those instructions may then be read and executed by one or more processors to enable performance of the operations described herein.
  • the instructions may be in any suitable form, such as but not limited to source code, compiled code, interpreted code, executable code, static code, dynamic code, and the like.
  • Such a computer-readable medium may include any tangible non-transitory medium for storing information in a form readable by one or more computers, such as but not limited to read only memory (ROM); random access memory (RAM); magnetic disk storage media; optical storage media; a flash memory, etc.
  • machine-readable medium may include any medium that is capable of storing, encoding, or carrying instructions for execution by the machine 500 and that cause the machine 500 to perform any one or more of the techniques of the present disclosure, or that is capable of storing, encoding, or carrying data structures used by or associated with such instructions.
  • Non- limiting machine-readable medium examples may include solid-state memories and optical and magnetic media.
  • a massed machine-readable medium includes a machine -readable medium with a plurality of particles having resting mass.
  • massed machine -readable media may include non-volatile memory, such as semiconductor memory devices (e.g., electrically programmable read-only memory (EPROM), or electrically erasable programmable read-only memory (EEPROM)) and flash memory devices; magnetic disks, such as internal hard disks and removable disks; magneto-optical disks; and CD-ROM and DVD- ROM disks.
  • semiconductor memory devices e.g., electrically programmable read-only memory (EPROM), or electrically erasable programmable read-only memory (EEPROM)
  • EPROM electrically programmable read-only memory
  • EEPROM electrically erasable programmable read-only memory
  • the instructions 524 may further be transmitted or received over a communications network 526 using a transmission medium via the network interface device/transceiver 520 utilizing any one of a number of transfer protocols (e.g., frame relay, internet protocol (IP), transmission control protocol (TCP), user datagram protocol (UDP), hypertext transfer protocol (HTTP), etc.).
  • transfer protocols e.g., frame relay, internet protocol (IP), transmission control protocol (TCP), user datagram protocol (UDP), hypertext transfer protocol (HTTP), etc.
  • Example communications networks may include a local area network (LAN), a wide area network (WAN), a packet data network (e.g., the Internet), mobile telephone networks (e.g., cellular networks), plain old telephone (POTS) networks, wireless data networks (e.g., Institute of Electrical and Electronics Engineers (IEEE) 802.11 family of standards known as Wi-Fi®, IEEE 802.16 family of standards known as WiMax®), IEEE 802.15.4 family of standards, and peer-to-peer (P2P) networks, among others.
  • the network interface device/transceiver 520 may include one or more physical jacks (e.g., Ethernet, coaxial, or phone jacks) or one or more antennas to connect to the communications network 526.
  • the network interface device/transceiver 520 may include a plurality of antennas to wirelessly communicate using at least one of single-input multiple- output (SIMO), multiple-input multiple-output (MIMO), or multiple-input single-output (MISO) techniques.
  • transmission medium shall be taken to include any intangible medium that is capable of storing, encoding, or carrying instructions for execution by the machine 500 and includes digital or analog communications signals or other intangible media to facilitate communication of such software.
  • the operations and processes described and shown above may be carried out or performed in any suitable order as desired in various implementations. Additionally, in certain implementations, at least a portion of the operations may be carried out in parallel. Furthermore, in certain implementations, less than or more than the operations described may be performed.
  • the word "exemplary” is used herein to mean “serving as an example, instance, or illustration.” Any embodiment described herein as “exemplary” is not necessarily to be construed as preferred or advantageous over other embodiments.
  • the terms “computing device,” “user device,” “communication station,” “station,” “handheld device,” “mobile device,” “wireless device” and “user equipment” (UE) as used herein refers to a wireless communication device such as a cellular telephone, a smartphone, a tablet, a netbook, a wireless terminal, a laptop computer, a femtocell, a high data rate (HDR) subscriber station, an access point, a printer, a point of sale device, an access terminal, or other personal communication system (PCS) device.
  • the device may be either mobile or stationary.
  • the term "communicate” is intended to include transmitting, or receiving, or both transmitting and receiving. This may be particularly useful in claims when describing the organization of data that is being transmitted by one device and received by another, but only the functionality of one of those devices is required to infringe the claim. Similarly, the bidirectional exchange of data between two devices (both devices transmit and receive during the exchange) may be described as “communicating,” when only the functionality of one of those devices is being claimed.
  • the term “communicating” as used herein with respect to a wireless communication signal includes transmitting the wireless communication signal and/or receiving the wireless communication signal.
  • a wireless communication unit which is capable of communicating a wireless communication signal, may include a wireless transmitter to transmit the wireless communication signal to at least one other wireless communication unit, and/or a wireless communication receiver to receive the wireless communication signal from at least one other wireless communication unit.
  • the term "access point" (AP) as used herein may be a fixed station.
  • An access point may also be referred to as an access node, a base station, an evolved node B (eNodeB), or some other similar terminology known in the art.
  • An access terminal may also be called a mobile station, user equipment (UE), a wireless communication device, or some other similar terminology known in the art.
  • Embodiments disclosed herein generally pertain to wireless networks. Some embodiments may relate to wireless networks that operate in accordance with one of the IEEE 802.11 standards.
  • Some embodiments may be used in conjunction with various devices and systems, for example, a personal computer (PC), a desktop computer, a mobile computer, a laptop computer, a notebook computer, a tablet computer, a server computer, a handheld computer, a handheld device, a personal digital assistant (PDA) device, a handheld PDA device, an onboard device, an off-board device, a hybrid device, a vehicular device, a non- vehicular device, a mobile or portable device, a consumer device, a non-mobile or non-portable device, a wireless communication station, a wireless communication device, a wireless access point (AP), a wired or wireless router, a wired or wireless modem, a video device, an audio device, an audio- video (A/V) device, a wired or wireless network, a wireless area network, a wireless video area network (WVAN), a local area network (LAN), a wireless LAN (WLAN), a personal area network (PAN), a wireless PAN (W
  • Some embodiments may be used in conjunction with one way and/or two-way radio communication systems, cellular radio-telephone communication systems, a mobile phone, a cellular telephone, a wireless telephone, a personal communication system (PCS) device, a PDA device which incorporates a wireless communication device, a mobile or portable global positioning system (GPS) device, a device which incorporates a GPS receiver or transceiver or chip, a device which incorporates an RFID element or chip, a multiple-input multiple-output (MIMO) transceiver or device, a single input multiple output (SIMO) transceiver or device, a multiple-input single-output (MISO) transceiver or device, a device having one or more internal antennas and/or external antennas, digital video broadcast (DVB) devices or systems, multi- standard radio devices or systems, a wired or wireless handheld device, e.g., a smartphone, a wireless application protocol (WAP) device, or the like.
  • WAP wireless application protocol
  • Some embodiments may be used in conjunction with one or more types of wireless communication signals and/or systems following one or more wireless communication protocols, for example, radio frequency (RF), infrared (IR), frequency-division multiplexing (FDM), orthogonal FDM (OFDM), time-division multiplexing (TDM), time-division multiple access (TDM A), extended TDMA (E-TDMA), general packet radio service (GPRS), extended GPRS, code-division multiple access (CDMA), wideband CDMA (WCDMA), CDMA 2000, single-carrier CDMA, multi-carrier CDMA, multi-carrier modulation (MDM), discrete multi- tone (DMT), Bluetooth®, global positioning system (GPS), Wi-Fi, Wi-Max, ZigBee, ultra- wideband (UWB), global system for mobile communications (GSM), 2G, 2.5G, 3G, 3.5G, 4G, fifth generation (5G) mobile networks, 3 GPP, long term evolution (LTE), LTE advanced, enhanced
  • Example 1 may include a device, the device comprising storage and processing circuitry configured to: determine an enhanced directional multi-gigabit short training field (EDMG-STF) of a single user millimeter wave (mmWave) EDMG physical layer protocol data unit (PPDU), the EDMG-STF comprising a first Golay sequence of a complementary Golay sequence pair; determine an EDMG channel estimation field (EDMG-CEF) of the single user mmWave EDMG PPDU, the EDMG-CEF comprising the first Golay sequence and a second Golay sequence of the complementary Golay sequence pair; determine the single user mmWave EDMG PPDU, comprising an indication of a presence of the EDMG-STF and of the EDMG- CEF; and cause to send the single user mmWave EDMG PPDU using a channel.
  • EDMG-STF enhanced directional multi-gigabit short training field
  • mmWave EDMG physical layer protocol data unit
  • Example 2 may include the device of example 1 and/or some other example herein, wherein to determine the single user mmWave EDMG PPDU comprises the storage and the processing circuitry being further configured to determine a legacy header field (L-Header) comprising the indication.
  • Example 3 may include the device of example 1 and/or some other example herein, wherein to determine the single user mmWave EDMG PPDU comprises the storage and the processing circuitry being further configured to determine an EDMG-Header-A field comprising the indication.
  • Example 4 may include the device of any one of examples 1-3 and/or some other example herein wherein the storage and the processing circuitry are further configured to determine the complementary Golay sequence pair by being further configured to: determine a weight vector; determine a delay vector; and determine the first Golay sequence and the second Golay sequence based at least in part on the weight vector and the delay vector.
  • Example 5 may include the device of example 4 and/or some other example herein, wherein the delay vector is constant, wherein the weight vector is one of a plurality of weight vectors, and wherein the weight vector is associated with a sequence.
  • Example 6 may include the device of any one of examples 1-5 and/or some other example herein, wherein the complementary Golay sequence pair is associated with a station device.
  • Example 7 may include the device of example 6 and/or some other example herein, wherein the storage and processing circuitry are further configured to: determine the station device; and determine the complementary Golay sequence pair based at least in part on the station device.
  • Example 8 may include the device of example 6 and/or some other example herein, wherein the storage and processing circuitry are further configured to cause to identify an indication of the complementary Golay sequence pair received from the station device.
  • Example 9 may include the device of any one of examples 1-8 and/or some other example herein, wherein to cause to send the single user mmWave EDMG PPDU comprises the storage and the processing circuitry being further configured to cause to send the single user mmWave EDMG PPDU in a single spatial stream, and wherein the channel is a 2.16 GHz channel.
  • Example 10 may include the device of any one of examples 1-9 and/or some other example herein, further comprising a transceiver configured to transmit and receive wireless signals.
  • Example 11 may include the device of example 10 and/or some other example herein, further comprising one or more antennas coupled to the transceiver.
  • Example 12 may include a non-transitory computer-readable medium storing computer-executable instructions which when executed by one or more processors result in performing operations comprising: identifying, at a first station device, a first single user millimeter wave (mmWave) enhanced directional multi-gigabit (EDMG) physical layer protocol data unit (PPDU) received from an access point device in a channel; determining an EDMG short training field (EDMG-STF) of the first single user mmWave EDMG PPDU, the EDMG-STF comprising a first Golay sequence of a complementary Golay sequence pair; determining an EDMG channel estimation field (EDMG-CEF) of the first single user mmWave EDMG PPDU, the EDMG-CEF comprising the first Golay sequence and a second Golay sequence of the complementary Golay sequence pair; and determining, based at least in part on the first Golay sequence and the second Golay sequence, that the first single user mmWave EDMG
  • Example 13 may include the non- transitory computer-readable medium of example 12 and/or some other example herein, the operations further comprising determining a legacy header field (L-Header) of the first single user mmWave EDMG PPDU, wherein the L-Header comprises an indication of a presence of the EDMG-STF and of the EDMG-CEF.
  • L-Header legacy header field
  • Example 14 may include the non- transitory computer-readable medium of example 12 and/or some other example herein, the operations further comprising determining an EDMG- Header-A field of the first single user mmWave EDMG PPDU, wherein the EDMG-Header-A field comprises an indication of a presence of the EDMG-STF and of the EDMG-CEF.
  • Example 15 may include the non- transitory computer-readable medium of any one of examples 12-14 and/or some other example herein, wherein the first Golay sequence and the second Golay sequence are based at least in part on a weight vector and a delay vector.
  • Example 16 may include the non- transitory computer-readable medium of example 15 and/or some other example herein, wherein the delay vector is constant, wherein the weight vector is one of a plurality of weight vectors, and wherein the weight vector is associated with a sequence.
  • Example 17 may include the non- transitory computer-readable medium of any one of examples 12-16 and/or some other example herein, wherein determining that the first single user mmWave EDMG PPDU is addressed to the first station device comprises determining that the first Golay sequence and the second Golay sequence are associated with the first station device.
  • Example 18 may include the non- transitory computer-readable medium of any one of examples 12-17 and/or some other example herein, wherein identifying the first single user mmWave EDMG PPDU comprises identifying the first single user mmWave EDMG PPDU in a single spatial stream, wherein the channel is a 2.16 GHz channel.
  • Example 19 may include the non-transitory computer-readable medium of any one of examples 12-18 and/or some other example herein, the operations further comprising: identifying a second single user mmWave EDMG PPDU received from the access point in the channel, the second single user mmWave EDMG PPDU comprising an indication of a second complementary Golay sequence pair; and determining that the second complementary Golay sequence pair is associated with a second station device.
  • Example 20 may include a method comprising: determining, by processing circuitry of an access point device, an enhanced directional multi-gigabit short training field (EDMG-STF) of a single user millimeter wave (mmWave) EDMG physical layer protocol data unit (PPDU), the EDMG-STF comprising a first Golay sequence of a complementary Golay sequence pair; determining, by the processing circuitry, an EDMG channel estimation field (EDMG-CEF) of the single user mmWave EDMG PPDU, the EDMG-CEF comprising the first Golay sequence and a second Golay sequence of the complementary Golay sequence pair; determining, by the processing circuitry, the single user mmWave EDMG PPDU, comprising an indication of a presence of the EDMG-STF and of the EDMG-CEF; and causing to send, by the processing circuitry, the single user mmWave EDMG PPDU in a channel.
  • EDMG-STF enhanced directional multi
  • Example 21 may include the method of example 20 and/or some other example herein, wherein determining the single user mmWave EDMG PPDU comprises determining a legacy header field (L- Header) comprising the indication.
  • L- Header legacy header field
  • Example 22 may include the method of example 20 and/or some other example herein, wherein determining the single user mmWave EDMG PPDU comprises determining an EDMG-Header-A field comprising the indication.
  • Example 23 may include the method of any one of examples 20-22 and/or some other example herein, further comprising determining the complementary Golay sequence pair by: determining a weight vector; determining a delay vector; and determining the first Golay sequence and the second Golay sequence based at least in part on the weight vector and the delay vector.
  • Example 24 may include the method of example 23 and/or some other example herein, wherein the delay vector is constant, wherein the weight vector is one of a plurality of weight vectors, and wherein the weight vector is associated with a sequence.
  • Example 25 may include the method any one of examples 20-24 and/or some other example herein, wherein causing to send the single user mmWave EDMG PPDU comprises causing to send the single user mmWave EDMG PPDU in a single spatial stream, wherein the channel is a 2.16 GHz channel.
  • Example 26 may include the method any one of examples 20-24 and/or some other example herein, wherein the complementary Golay sequence pair is associated with a station device.
  • Example 27 may include the method of example 26 and/or some other example herein, further comprsing: determining the station device; and determine the complementary Golay sequence pair based at least in part on the station device.
  • Example 28 may include the method of example 26 and/or some other example herein, further comprising causing to identify an indication of the complementary Golay sequence pair received from the station device.
  • Example 29 may include an apparatus comprising means for performing a method as in any one of examples 20-28.
  • Example 30 may include a system, comprising at least one memory device having programmed instruction that, in response to execution cause at least one processor to perform the method of any one of examples 20-28.
  • Example 31 may include a machine readable medium including code, when executed, to cause a machine to perform the method of any one of examples 20-28.
  • Example 32 may include a non-transitory computer-readable medium storing computer-executable instructions which when executed by one or more processors result in performing operations comprising to: determine an enhanced directional multi-gigabit short training field (EDMG-STF) of a single user millimeter wave (mmWave) EDMG physical layer protocol data unit (PPDU), the EDMG-STF comprising a first Golay sequence of a complementary Golay sequence pair; determine an EDMG channel estimation field (EDMG- CEF) of the single user mmWave EDMG PPDU, the EDMG-CEF comprising the first Golay sequence and a second Golay sequence of the complementary Golay sequence pair; determine the single user mmWave EDMG PPDU, comprising an indication of a presence of the EDMG- STF and of the EDMG-CEF; and cause to send the single user mmWave EDMG PPDU using a channel.
  • EDMG-STF enhanced directional multi-gigabit short training
  • Example 33 may include the non- transitory computer-readable medium of example 32 and/or some other example herein, wherein to determine the single user mmWave EDMG PPDU comprises to determine a legacy header field (L-Header) comprising the indication.
  • L-Header legacy header field
  • Example 34 may include the non-transitory computer-readable medium of example 32 and/or some other example herein, wherein to determine the single user mmWave EDMG PPDU comprises to determine an EDMG-Header-A field comprising the indication.
  • Example 35 may include the non- transitory computer-readable medium of any one of examples 32-34 and/or some other example herein, wherein the operations further comprise determining the complementary Golay sequence pair by being further configured to: determine a weight vector; determine a delay vector; and determine the first Golay sequence and the second Golay sequence based at least in part on the weight vector and the delay vector.
  • Example 36 may include the non- transitory computer-readable medium of example 35 and/or some other example herein, wherein the delay vector is constant, wherein the weight vector is one of a plurality of weight vectors, and wherein the weight vector is associated with a sequence.
  • Example 37 may include the non-transitory computer-readable medium of any one of examples 32-36 and/or some other example herein, wherein the complementary Golay sequence pair is associated with a station device.
  • Example 38 may include the non- transitory computer-readable medium of example 37 and/or some other example herein, the operations further comprising: determining the station device; and determining the complementary Golay sequence pair based at least in part on the station device.
  • Example 39 may include the non-transitory computer-readable medium of example 37 and/or some other example herein, the operations further comprising causing to identify an indication of the complementary Golay sequence pair received from the station device.
  • Example 40 may include the non-transitory computer-readable medium of any of examples 32-39 and/or some other example herein, wherein to cause to send the single user mmWave EDMG PPDU comprises to cause to send the single user mmWave EDMG PPDU in a single spatial stream, and wherein the channel is a 2.16 GHz channel.
  • Example 41 may include an apparatus comprising means for: determining an enhanced directional multi-gigabit short training field (EDMG-STF) of a single user millimeter wave (mmWave) EDMG physical layer protocol data unit (PPDU), the EDMG-STF comprising a first Golay sequence of a complementary Golay sequence pair; determining an EDMG channel estimation field (EDMG-CEF) of the single user mmWave EDMG PPDU, the EDMG-CEF comprising the first Golay sequence and a second Golay sequence of the complementary Golay sequence pair; determining the single user mmWave EDMG PPDU, comprising an indication of a presence of the EDMG-STF and of the EDMG-CEF; and causing to send the single user mmWave EDMG PPDU using a channel.
  • EDMG-STF enhanced directional multi-gigabit short training field
  • PPDU physical layer protocol data unit
  • Example 42 may include the apparatus of example 41 and/or some other example herein, wherein means for determining the single user mmWave EDMG PPDU comprises means for determining a legacy header field (L-Header) comprising the indication.
  • means for determining the single user mmWave EDMG PPDU comprises means for determining a legacy header field (L-Header) comprising the indication.
  • L-Header legacy header field
  • Example 43 may include the apparatus of example 41 and/or some other example herein, wherein means for determining the single user mmWave EDMG PPDU means for determining an EDMG-Header-A field comprising the indication.
  • Example 44 may include the apparatus of any one of examples 41-43 and/or some other example herein, further comprising means for determining the complementary Golay sequence pair by being further configured to: determine a weight vector; determine a delay vector; and determine the first Golay sequence and the second Golay sequence based at least in part on the weight vector and the delay vector.
  • Example 45 may include the apparatus of example 44 and/or some other example herein, wherein the delay vector is constant, wherein the weight vector is one of a plurality of weight vectors, and wherein the weight vector is associated with a sequence.
  • Example 46 may include the apparatus of any one of examples 41-45 and/or some other example herein, wherein the complementary Golay sequence pair is associated with a station device.
  • Example 47 may include the apparatus of example 46 and/or some other example herein, further comprising means for: determining the station device; and determining the complementary Golay sequence pair based at least in part on the station device.
  • Example 48 may include the apparatus of example 46 and/or some other example herein, further comprising means for causing to identify an indication of the complementary Golay sequence pair received from the station device.
  • Example 49 may include the apparatus of any one of examples 41-48 and/or some other example herein, wherein means for causing to send the single user mmWave EDMG PPDU comprises means for causing to send the single user mmWave EDMG PPDU in a single spatial stream, and wherein the channel is a 2.16 GHz channel.
  • Example 50 may include a device, the device comprising memory and processing circuitry configured for: identifying, at a first station device, a first single user millimeter wave (mmWave) enhanced directional multi-gigabit (EDMG) physical layer protocol data unit (PPDU) received from an access point device in a channel; determining an EDMG short training field (EDMG-STF) of the first single user mmWave EDMG PPDU, the EDMG-STF comprising a first Golay sequence of a complementary Golay sequence pair; determining an EDMG channel estimation field (EDMG-CEF) of the first single user mmWave EDMG PPDU, the EDMG-CEF comprising the first Golay sequence and a second Golay sequence of the complementary Golay sequence pair; and determining, based at least in part on the first Golay sequence and the second Golay sequence, that the first single user mmWave EDMG PPDU is addressed to the first station device.
  • mmWave millimeter wave
  • Example 51 may include the device of example 50 and/or some other example herein, wherein the storage and the processing circuitry are further configured to determine a legacy header field (L-Header) of the first single user mmWave EDMG PPDU, wherein the L-Header comprises an indication of a presence of the EDMG-STF and of the EDMG-CEF.
  • L-Header legacy header field
  • Example 52 may include the device of example 50 and/or some other example herein, wherein the storage and the processing circuitry are further configured to determine an EDMG- Header-A field of the first single user mmWave EDMG PPDU, wherein the EDMG-Header-A field comprises an indication of a presence of the EDMG-STF and of the EDMG-CEF.
  • Example 53 may include the device of any one of examples 50-52 and/or some other example herein, wherein the first Golay sequence and the second Golay sequence are based at least in part on a weight vector and a delay vector.
  • Example 54 may include the device of example 53 and/or some other example herein, wherein the delay vector is constant, wherein the weight vector is one of a plurality of weight vectors, and wherein the weight vector is associated with a sequence.
  • Example 55 may include the device of any one of examples 50-54 and/or some other example herein, wherein determining that the first single user mmWave EDMG PPDU is addressed to the first station device comprises determining that the first Golay sequence and the second Golay sequence are associated with the first station device.
  • Example 56 may include the device of any one of examples 50-55 and/or some other example herein, wherein identifying the first single user mmWave EDMG PPDU comprises identifying the first single user mmWave EDMG PPDU in a single spatial stream, wherein the channel is a 2.16 GHz channel.
  • Example 57 may include the device of any one of examples 50-56 and/or some other example herein, wherein the storage and the processing circuitry are further configured to identify a second single user mmWave EDMG PPDU received from the access point in the channel, the second single user mmWave EDMG PPDU comprising an indication of a second complementary Golay sequence pair; and determining that the second complementary Golay sequence pair is associated with a second station device.
  • Example 58 may include a method comprising: identifying, at a first station device, a first single user millimeter wave (mmWave) enhanced directional multi-gigabit (EDMG) physical layer protocol data unit (PPDU) received from an access point device in a channel; determining an EDMG short training field (EDMG-STF) of the first single user mmWave EDMG PPDU, the EDMG-STF comprising a first Golay sequence of a complementary Golay sequence pair; determining an EDMG channel estimation field (EDMG-CEF) of the first single user mmWave EDMG PPDU, the EDMG-CEF comprising the first Golay sequence and a second Golay sequence of the complementary Golay sequence pair; and determining, based at least in part on the first Golay sequence and the second Golay sequence, that the first single user mmWave EDMG PPDU is addressed to the first station device.
  • mmWave millimeter wave
  • EDMG physical layer protocol data
  • Example 59 may include the method of example 58 and/or some other example herein, further comprising determining a legacy header field (L-Header) of the first single user mmWave EDMG PPDU, wherein the L-Header comprises an indication of a presence of the EDMG-STF and of the EDMG-CEF.
  • L-Header legacy header field
  • Example 60 may include the method of example 58 and/or some other example herein, further comprising determining an EDMG-Header-A field of the first single user mmWave EDMG PPDU, wherein the EDMG-Header-A field comprises an indication of a presence of the EDMG-STF and of the EDMG-CEF.
  • Example 61 may include the method of any one of examples 58-60 and/or some other example herein, wherein the first Golay sequence and the second Golay sequence are based at least in part on a weight vector and a delay vector.
  • Example 62 may include the method of example 61 and/or some other example herein, wherein the delay vector is constant, wherein the weight vector is one of a plurality of weight vectors, and wherein the weight vector is associated with a sequence.
  • Example 63 may include the method of any one of examples 58-62 and/or some other example herein, wherein determining that the first single user mmWave EDMG PPDU is addressed to the first station device comprises determining that the first Golay sequence and the second Golay sequence are associated with the first station device.
  • Example 64 may include the method of any one of examples 58-63 and/or some other example herein, wherein identifying the first single user mmWave EDMG PPDU comprises identifying the first single user mmWave EDMG PPDU in a single spatial stream, wherein the channel is a 2.16 GHz channel.
  • Example 65 may include the method of any one of examples 58-64 and/or some other example herein, further comprising: identifying a second single user mmWave EDMG PPDU received from the access point in the channel, the second single user mmWave EDMG PPDU comprising an indication of a second complementary Golay sequence pair; and determining that the second complementary Golay sequence pair is associated with a second station device.
  • Example 66 may include an apparatus comprising means for performing a method as in any one of examples 58-65.
  • Example 67 may include a system, comprising at least one memory device having programmed instruction that, in response to execution cause at least one processor to perform the method of any one of examples 58-65.
  • Example 68 may include a machine readable medium including code, when executed, to cause a machine to perform the method of any one of examples 58-65.
  • Example 69 may include an apparatus comprising means for: identifying, at a first station device, a first single user millimeter wave (mmWave) enhanced directional multi-gigabit (EDMG) physical layer protocol data unit (PPDU) received from an access point device in a channel; determining an EDMG short training field (EDMG-STF) of the first single user mmWave EDMG PPDU, the EDMG-STF comprising a first Golay sequence of a complementary Golay sequence pair; determining an EDMG channel estimation field (EDMG-CEF) of the first single user mmWave EDMG PPDU, the EDMG-CEF comprising the first Golay sequence and a second Golay sequence of the complementary Golay sequence pair; and determining, based at least in part on the first Golay sequence and the second Golay sequence, that the first single user mmWave EDMG PPDU is addressed to the first station device.
  • mmWave millimeter wave
  • EDMG physical layer protocol
  • Example 70 may include the apparatus of example 69 and/or some other example herein, further comprising means for determining a legacy header field (L-Header) of the first single user mmWave EDMG PPDU, wherein the L-Header comprises an indication of a presence of the EDMG-STF and of the EDMG-CEF.
  • L-Header legacy header field
  • Example 71 may include the apparatus of example 69 and/or some other example herein, further comprising means for determining an EDMG-Header-A field of the first single user mmWave EDMG PPDU, wherein the EDMG-Header-A field comprises an indication of a presence of the EDMG-STF and of the EDMG-CEF.
  • Example 72 may include the apparatus of example 69-71 and/or some other example herein, wherein the first Golay sequence and the second Golay sequence are based at least in part on a weight vector and a delay vector.
  • Example 73 may include the apparatus of example 72 and/or some other example herein, wherein the delay vector is constant, wherein the weight vector is one of a plurality of weight vectors, and wherein the weight vector is associated with a sequence.
  • Example 74 may include the apparatus of example 69-73 and/or some other example herein, wherein means for determining that the first single user mmWave EDMG PPDU is addressed to the first station device comprises means for determining that the first Golay sequence and the second Golay sequence are associated with the first station device.
  • Example 75 may include the apparatus of example 69-74 and/or some other example herein, wherein means for identifying the first single user mmWave EDMG PPDU comprises means for identifying the first single user mmWave EDMG PPDU in a single spatial stream, wherein the channel is a 2.16 GHz channel.
  • Example 76 may include the apparatus of example 69-75 and/or some other example herein, further comprising means for: identifying a second single user mmWave EDMG PPDU received from the access point in the channel, the second single user mmWave EDMG PPDU comprising an indication of a second complementary Golay sequence pair; and determining that the second complementary Golay sequence pair is associated with a second station device.
  • Example 77 may include one or more non- transitory computer-readable media comprising instructions to cause an electronic device, upon execution of the instructions by one or more processors of the electronic device, to perform one or more elements of a method described in or related to any of examples 1-76, or any other method or process described herein.
  • Example 78 may include an apparatus comprising logic, modules, and/or circuitry to perform one or more elements of a method described in or related to any of examples 1-76, or any other method or process described herein.
  • Example 79 may include a method, technique, or process as described in or related to any of examples 1-76, or portions or parts thereof.
  • Example 80 may include an apparatus comprising means for causing the one or more processors to perform the method, techniques, or process as described in or related to any of examples 1-76, or portions thereof.
  • Embodiments according to the disclosure are in particular disclosed in the attached claims directed to a method, a storage medium, a device and a computer program product, wherein any feature mentioned in one claim category, e.g., method, can be claimed in another claim category, e.g., system, as well.
  • the dependencies or references back in the attached claims are chosen for formal reasons only. However, any subject matter resulting from a deliberate reference back to any previous claims (in particular multiple dependencies) can be claimed as well, so that any combination of claims and the features thereof are disclosed and can be claimed regardless of the dependencies chosen in the attached claims.
  • These computer-executable program instructions may be loaded onto a special- purpose computer or other particular machine, a processor, or other programmable data processing apparatus to produce a particular machine, such that the instructions that execute on the computer, processor, or other programmable data processing apparatus create means for implementing one or more functions specified in the flow diagram block or blocks.
  • These computer program instructions may also be stored in a computer-readable storage media or memory that may direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable storage media produce an article of manufacture including instruction means that implement one or more functions specified in the flow diagram block or blocks.
  • certain implementations may provide for a computer program product, comprising a computer- readable storage medium having a computer-readable program code or program instructions implemented therein, said computer-readable program code adapted to be executed to implement one or more functions specified in the flow diagram block or blocks.
  • the computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational elements or steps to be performed on the computer or other programmable apparatus to produce a computer-implemented process such that the instructions that execute on the computer or other programmable apparatus provide elements or steps for implementing the functions specified in the flow diagram block or blocks.
  • blocks of the block diagrams and flow diagrams support combinations of means for performing the specified functions, combinations of elements or steps for performing the specified functions and program instruction means for performing the specified functions. It will also be understood that each block of the block diagrams and flow diagrams, and combinations of blocks in the block diagrams and flow diagrams, may be implemented by special-purpose, hardware-based computer systems that perform the specified functions, elements or steps, or combinations of special-purpose hardware and computer instructions.
  • Conditional language such as, among others, "can,” “could,” “might,” or “may,” unless specifically stated otherwise, or otherwise understood within the context as used, is generally intended to convey that certain implementations could include, while other implementations do not include, certain features, elements, and/or operations. Thus, such conditional language is not generally intended to imply that features, elements, and/or operations are in any way required for one or more implementations or that one or more implementations necessarily include logic for deciding, with or without user input or prompting, whether these features, elements, and/or operations are included or are to be performed in any particular implementation.

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Abstract

La présente invention concerne des systèmes, des procédés et des dispositifs liés à un format de trame pour des transmissions d'unités de données de protocole de couche physique (PPDU) multi-gigabit directionnelles améliorées (EDMG) sur un canal de 2,16 GHz mono-utilisateur. Un dispositif peut déterminer un champ d'apprentissage court EDMG (STF-EDMG) d'une PPDU EDMG mono-utilisateur, l'EDMG-STF comprenant une première séquence de Golay d'une paire de séquences de Golay complémentaires. Le dispositif peut déterminer un champ d'estimation de canal EDMG (CEF-EDMG) de la PPDU EDMG mono-utilisateur, le CEF-EDMG comprenant la première séquence de Golay et une seconde séquence de Golay de la paire de séquences de Golay complémentaires. Le dispositif peut déterminer la PPDU EDMG mono-utilisateur, comprenant une indication d'une présence du STF-EDMG et du CEF-EDMG. Le dispositif peut envoyer la PPDU EDMG mono-utilisateur dans un canal de 2,16 GHz.
PCT/US2018/041505 2017-07-12 2018-07-10 Format de trame amélioré pour communications sans fil par canal de 2,16 ghz mono-utilisateur WO2019014264A1 (fr)

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