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WO2018195354A1 - Adressage destiné à une rétroaction courte - Google Patents

Adressage destiné à une rétroaction courte Download PDF

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Publication number
WO2018195354A1
WO2018195354A1 PCT/US2018/028435 US2018028435W WO2018195354A1 WO 2018195354 A1 WO2018195354 A1 WO 2018195354A1 US 2018028435 W US2018028435 W US 2018028435W WO 2018195354 A1 WO2018195354 A1 WO 2018195354A1
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WO
WIPO (PCT)
Prior art keywords
field
aid
station
value
user information
Prior art date
Application number
PCT/US2018/028435
Other languages
English (en)
Inventor
Laurent Cariou
Qinghua Li
Xiaogang Chen
Huaning Niu
Wenting CHANG
Feng Jiang
Original Assignee
Intel IP Corporation
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Intel IP Corporation filed Critical Intel IP Corporation
Publication of WO2018195354A1 publication Critical patent/WO2018195354A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]

Definitions

  • Some embodiments relate to methods, computer readable media, and apparatus for addressing for short feedback. Some embodiments relate to physical layout of resource units for short feedback.
  • FIG. 2 illustrates a front-end module circuitry for use in the radio architecture of FIG. I in accordance with some embodiments
  • FIG. 4 illustrates a baseband processing circuitry for use in the radio architecture of FIG.1 in accordance with some embodiments
  • FIG. 7 illustrates a block diagram of an example wireless device upon which any one or more of the techniques (e.g., methodologies or operations) discussed herein may perform;
  • FIG 17 illustrates addressing for short feedback in accordance with some embodiments
  • the radio architecture 100 may be configured to receive and transmit orthogonal frequency division multiplexed (OFDM) or orthogonal frequency division multiple access (OFDMA) communication signals over a multicarrier communication channel.
  • OFDM orthogonal frequency division multiplexed
  • OFDMA orthogonal frequency division multiple access
  • the radio architecture 100 may be configured for communication over various channel bandwidths including bandwidths having center frequencies of about 900 MHz, 2.4 GHz, 5 GHz, and bandwidths of about 1 MHz, 2 MHz, 2.5 MHz, 4 MHz, 5MHz, 8 MHz, 10 MHz, 16 MHz, 20 MHz, 40MHz, 80MHz (with contiguous
  • Mixer circuitry 302 may comprise, according to one embodiment: quadrature passive mixers (e.g., for the in-phase (I) and quadrature phase (Q) paths).
  • RF input signal 207 from Fig. 3 may be down- converted to provide I and Q baseband output signals to be sent to the baseband processor
  • a divider control input (e.g., N) may be determined from a look-up table (e.g., within a Wi-Fi card) based on a channel number and a channel center frequency as determined or indicated by the application processor 111.
  • the baseband processing circuitry 400 may include ADC 410 to convert analog baseband signals received from the radio IC circuitry 106 to digital baseband signals for processing by the RX BBP 402.
  • ADC 410 to convert analog baseband signals received from the radio IC circuitry 106 to digital baseband signals for processing by the RX BBP 402.
  • the antennas 101 are identical to each other. [0058] Referring back to FIG. 1, in some embodiments, the antennas 101 are identical to each other.
  • FIG. 1 may each comprise 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.
  • the antennas may be effectively separated to take advantage of spatial diversity and the different channel characteristics that may result.
  • Antennas 101 may each include a set of phased-array antennas, although embodiments are not so limited.
  • radio-architecture 100 is illustrated as having several separate functional elements, one 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 comprise one or more microprocessors, DSPs, field-programmable gate arrays
  • the functional elements may refer to one or more processes operating on one or more processing elements.
  • the FIE AP 502 may be an AP using the IEEE 802.11 to transmit and receive.
  • the HE AP 502 may be a base station.
  • the HE AP 502 may use other communications protocols as well as the IEEE 802, 1 1 protocol .
  • the IEEE 802.11 protocol may be IEEE 802.1 lax.
  • the IEEE 802.11 protocol may include using orthogonal frequency division multiple-access (QFDMA), time division multiple access (TDMA), and/or code division multiple access (CDMA).
  • the IEEE 802. 1 1 protocol may include a multiple access technique.
  • the IEEE 802.1 1 protocol may include space-division multiple access (SDMA) and/or multiple-user multiple-input multiple-output (MU-MIMQ).
  • SDMA space-division multiple access
  • MU-MIMQ multiple-user multiple-input multiple-output
  • There may be more than one HE AP 502 that is part of an extended service set (ESS).
  • a controller (not illustrated) may store information that is common to the
  • the legacy devices 506 may operate in accordance with one or more of IEEE 802.11 a/b/g/n/ac/ad/af/ah/aj/ay/az, or another legacy wireless communication standard.
  • the legacy devices 506 may be STAs or IEEE STAs.
  • the HE STAs 504 may be wireless transmit and receive devices such as cellular telephone, portable electronic wireless communication devices, smart telephone, handheld wireless device, wireless glasses, wireless watch, wireless personal device, tablet, or another device that may be transmitting and receiving using the IEEE 802.11 protocol such as IEEE 802.1 lax or another wireless protocol.
  • the HE STAs 504 may be termed high efficiency (HE) stations.
  • HE high efficiency
  • a HE frame may be configurable to have the same bandwidth as a channel.
  • the HE frame may be a PPDU.
  • there may be different types of PPDUs that may have different fields and different physical layers and/or different media access control (MAC) layers.
  • MAC media access control
  • the bandwidth of a channel may be 20MHz, 40M I i/. or 80M I i/.
  • the bandwidth of a channel may be 1 MHz, 1.25MHz, 2.03MHz, 2.5MHz, 4.06 MHz, 5MHz and 10MHz, or a combination thereof or another bandwidth that is less or equal to the available bandwidth may also be used.
  • the bandwidth of the channels may be based on a number of active data subcarriers. In some embodiments the bandwidth of the channels is based on 26, 52, 106, 242, 484, 996, or 2x996 active data subcarriers or tones that are spaced by 20 MHz. In some embodiments the bandwidth of the channels is 256 tones spaced by 20
  • a 20 MHz channel may comprise 242 active data subcarriers or tones, which may determine the size of a Fast Fourier Transform (FFT).
  • FFT Fast Fourier Transform
  • An allocation of a bandwidth or a number of tones or sub- carriers may be termed a resource unit (RU) allocation in accordance with some embodiments.
  • the RU are used in the 20 MHz, 40 MHz, 80 MHz, 160 MHz and 80+80 MHz OFDMA HE PPDU formats.
  • the 106-subcarrier RU is used in the 20 MHz, 40 MHz, 80 MHz, 160 MHz and 80+80 MHz OFDMA and MU-MIMO HE PPDU formats.
  • the 242-subearrier RU is used in the 40 MHz, 80 MHz, 160 MHz and 80+80 MHz OFDMA and MU- MIMO HE PPDU formats.
  • the 484-subcarrier RU is used in the 80 MHz, 160 MHz and 80+80 MHz OFDMA and MU-MIMO HE PPDU formats.
  • the 996-subcarrier RU is used in the 160
  • a HE frame may be configured for transmitting a number of spatial streams, which may be in accordance with MU-MIMO and may be in accordance with OFDMA
  • the HE AP 502, HE ST A 504, and/or legacy device 506 may also implement different technologies such as code division multiple access (CDMA) 2000, CDMA 2000 I X, CDM A 2000 Evolution-Data Optimized (EV-DO), Interim Standard 2000 (IS-2000), Interim Standard 95 (IS-95), Interim Standard 856 (IS-856), Long Term Evolution
  • LTE Global System for Mobile communications
  • GSM Global System for Mobile communications
  • EDGE Enhanced Data rates for GSM Evolution
  • GERAN GSM EDGE
  • IEEE 802.16 i.e., Worldwide Interoperability for Microwave Access (WiMAX)
  • WiMAX Worldwide Interoperability for Microwave Access
  • a HE AP 502 may operate as a master station which may be arranged to contend for a wireless medium (e.g., during a contention period) to receive exclusive control of the medium for an HE control peri od.
  • the HE control period may be termed a transmission opportunity (TXOP).
  • the HE AP 502 may transmit a HE master-sync transmission, which may be a trigger frame or HE control and schedule transmission, at the beginning of the HE control period.
  • the HE AP 502 may transmit a time duration of the TXOP and sub-channel information.
  • HE STAs 504 may communicate with the HE AP 502 in accordance with a non-contention based multiple access technique such as OFDMA or MU-MIMO. This is unlike conventional WLAN communications in which devices communicate in accordance with a contention- based communication technique, rather than a multiple access technique.
  • the HE AP 502 may communicate with HE stations 504 using one or more HE frames.
  • the HE STAs 504 may operate on a sub-channel smaller than the operating range of the HE AP 502.
  • legacy stations refrain from communicating. The legacy stations may need to receive the communication from the HE AP 502 to defer from communicating.
  • the trigger frame may indicate an uplink (UL) UL-MU-MIMO and/or UL OF DMA. TXOP.
  • the trigger frame mav include a DL UL-MU-MIMO and/or DL OFDMA with a schedule indicated in a preamble portion of trigger frame.
  • the HE AP 502 may also communicate with legacy stations 506 and/or HE stations 504 in accordance with legacy IEEE 802.1 1 communication techniques.
  • the HE AP 502 may also be configurable to communicate with HE stations 504 outside the HE TXOP in accordance with legacy IEEE 802.1 1 communication techniques, although this is not a requirement.
  • the HE station 504 may be a "group owner" (GO) for peer-to-peer modes of operation.
  • a wireless device may be a HE station 502 or a HE AP 502.
  • the HE stations 504, HE AP 502, an apparatus of the HE stations 504, and/or an apparatus of the HE AP 502 may include one or more of the following: the radio architecture of FIG. 1, the front- end module circuitry of FIG. 2, the radio IC circuitry of FIG , 3, and/or the baseband processing circuitry of FIG. 4.
  • the HE station 504 and/or the HE AP are HE stations 504 and/or the HE AP.
  • AP and STA may refer to HE access point 502 and/or HE station 504 as well as legacy devices 506.
  • a HE AP STA may refer to a HE AP 502 and a HE ST As 504 that is operating a HE APs 502.
  • when an HE STA 504 is not operating as a HE AP it may be referred to as a HE non-AP STA or HE non-AP.
  • HE STA 504 may be referred to as either a HE AP STA or a HE non-AP.
  • FIG. 6 illustrates a block diagram of an example machine 600 upon which any one or more of the techniques (e.g., methodologies) discussed herein may perform.
  • the machine 600 may operate as a standalone device or may be connected (e.g., networked) to other machines.
  • the machine 600 may operate in the capacity of a server machine, a client machine, or both in server-client network environments.
  • the machine 600 may act as a peer machine in peer-to-peer (P2P) (or other distributed) network environment.
  • P2P peer-to-peer
  • the machine 600 may be a HE AP 502, HE station 504, personal computer (PC ), a tablet PC, a set-top box (STB), a personal digital assistant (PDA), a portable communications device, a mobile telephone, a smart phone, a web appliance, a network router, switch or bridge, or any machine capable of executing instructions (sequential or otherwise) that specify actions to be taken by that machine.
  • PC personal computer
  • PDA personal digital assistant
  • portable communications device a mobile telephone
  • smart phone a web appliance
  • network router switch or bridge
  • RAM Random Access Memory
  • semiconductor memory devices which may include, in some embodiments, storage locations in semiconductors such as registers.
  • the machine 600 may further include a display device 610, an input device 612 (e.g., a keyboard), and a user interface (UT) navigation device 614 (e.g., a mouse).
  • the display device 610, input device 612 and UI navigation device 614 may be a touch screen display.
  • the machine 600 may additionally include a mass storage (e.g., drive unit) 616, a signal generation device 618 (e.g., a speaker), a network interface device 620, and one or more sensors 621, such as a global positioning system (GPS) sensor, compass, accelerometer, or other sensor.
  • GPS global positioning system
  • the machine 600 may include an output controller 628, 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 or control one or more peripheral devices (e.g., a printer, 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 or control one or more peripheral devices (e.g., a printer, card reader, etc.).
  • the processor 602 and/or instructions 624 may comprise processing circuitry and/or transceiver circuitry.
  • the storage device 616 may include a machine readable medium
  • machine readable media may include: nonvolatile memory, such as semiconductor memory devices (e.g., EPROM or EEPROM) and flash memory devices; magnetic disks, such as internal hard disks and removable disks; magneto-optical disks; RAM; and CD-ROM and DVD-ROM disks.
  • nonvolatile memory such as semiconductor memory devices (e.g., EPROM or EEPROM) and flash memory devices
  • magnetic disks such as internal hard disks and removable disks
  • magneto-optical disks such as CD-ROM and DVD-ROM disks.
  • the apparatus may be intended as a component of the machine 600 to perform one or more of the methods and/or operations disclosed herein, and/or to perform a portion of one or more of the methods and/or operations disclosed herein.
  • the apparatus may include a pin or other means to receive power.
  • the apparatus may include power conditioning hardware.
  • machine readable medium may include any medium that is capable of storing, encoding, or carrying instructions for execution by the machine 600 and that cause the machine 600 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.
  • machine readable media may include: non-volatile memory, such as semiconductor memory devices (e.g., Electrically Programmable Read-Only Memory (EPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM)) and flash memory devices, magnetic disks, such as internal hard disks and removable disks; magneto-optical disks; Random Access Memory (RAM), and CD-ROM and DVD-ROM disks.
  • EPROM Electrically Programmable Read-Only Memory
  • EEPROM Electrically Erasable Programmable Read-Only Memory
  • flash memory devices e.g., Electrically Programmable Read-Only Memory (EPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM)
  • flash memory devices e.g., Electrically Programmable Read-Only Memory (EPROM), Electrically Erasable Programmable Read-Only Memory (EEPROM)
  • flash memory devices e.g., Electrically Erasable Programmable Read-Only Memory (EEPROM)
  • flash memory devices e.g., Electrical
  • the instructions 624 may further be transmitted or received over a communications network 626 using a transmission medium via the network interface device 620 utilizing any one of a number of transfer protocols (e.g., frame relay, internet protocol (IP), transmission control protocol (TCP), user datagram protocol (HDP), hypertext transfer protocol (HTTP), etc.).
  • transfer protocols e.g., frame relay, internet protocol (IP), transmission control protocol (TCP), user datagram protocol (HDP), hypertext transfer protocol (HTTP), etc.
  • Example communication 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, and 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, a Long Term Evolution (LTE) family of standards, a Universal Mobile Telecommunications System (UMTS) family of standards, peer-to-peer (P2P) networks, among others.
  • LAN local area network
  • WAN wide area network
  • POTS Plain Old Telephone
  • 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 e.g., Institute of Electrical and Electronics Engineers (IEEE
  • the network interface device 620 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 626.
  • the network interface device 620 may include one or more antennas 660 to wirelessly communicate using at least one of single-input multiple-output (SIMO), multiple-input multiple-output (MB/10), or multiple-input single-output (MISO) techniques.
  • SIMO single-input multiple-output
  • MB/10 multiple-input multiple-output
  • MISO multiple-input single-output
  • the network interface device 620 may wirelessly communicate using Multiple User MIMO 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 600, and includes digital or analog communications signals or other intangible medium to facilitate communication of such software,
  • module is understood to encompass a tangible entity, be that an entity that is physically constructed, specifically configured (e.g., hardwired), or temporarily (e.g., transitorily) configured (e.g., programmed) to operate in a specified manner or to perform part or all of any operation described herein.
  • each of the modules need not be instantiated at any one moment in time.
  • the modules comprise a general -purpose hardware processor configured using software
  • the general-purpose hardware processor may be configured as respective different modules at different times.
  • Software may accordingly configure a hardware processor, for example, to constitute a particular module at one instance of time and to constitute a different module at a different instance of time.
  • FIG. 7 illustrates a block diagram of an example wireless device
  • the antennas 712 may comprise 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.
  • the antennas 7 2 may be effectively separated to take advantage of spatial diversity and the different channel characteristics that may result.
  • some elements may comprise 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 may refer to one or more processes operating on one or more processing elements.
  • the MAC circuitry 706 may be arranged to contend for a wireless medium during a contention period to receive control of the medium for a HE TXOP and encode or decode an HE PPDU. In some embodiments, the MAC circuitry 706 may be arranged to contend for the wireless medium based on channel contention settings, a transmitting power level, and a clear channel assessment level (e.g., an energy detect level).
  • a clear channel assessment level e.g., an energy detect level
  • the processing circuitry 708 may include one or more processors.
  • the processing circuitry 708 may be configured to perform functions based on instructions being stored in a RAM or ROM, or based on special purpose circuitry.
  • the processing circuitry 708 may include a processor such as a general potpose processor or special purpose processor.
  • the processing circuitry 708 may implement one or more functions associated with antennas 712, the transceiver 702, the PHY circuitry 704, the MAC circuitry
  • the frequency 806 indicates a bandwidth of a channel, e.g. as illustrated the frequency may be 20 MHz, 40 MHz, 80 MHz, 80+80 MHz, or 160 MHz, 160+160 MHz, or 320 MHz.
  • the channels may include one or more subcarriers or tones.
  • the transmitter 804 indicates the wireless device that is transmitting at each of the operations 850.
  • the transmitters are HE AP 502 and HE stations 504.1 through 504. X .
  • the feedback type field 830, user information fields 832, a BW field 834, multiplying flag field 1412, and common information field 838 may be the same or similar as disclosed in conj unction with FIGS. 10 through 19.
  • the RU tone set table 1020 may be an implicit mapping between RU tone sets 1024 and the RU tone set index 1018 and, in some embodiments, the BW field 834.
  • RU tone sets 1024 may be numbered from a top left to a bottom right according to a diagram of the RU tone sets 1024.
  • Other mappings are possible so that a RU tone set index 1018 may be used to determine an RU tone set 1024.
  • FIG. 14 illustrates addressing for short feedback 1400 in accordance with some embodiments. Illustrated in FIG. 14 is a starting AID field 1402, a reserved field 1404, a feedback type field 1406, a reserved field 1408, a target received signal strength indication (RSSI) field 1410, a
  • RSSI target received signal strength indication
  • Equation (1): NSTA 18 X 2 bw X (multiplexing flag), where BW is the value of the BW field (e.g., 1310) and multiplexing flag is the value of the multiplexing flag field 1412.
  • BW is the value of the BW field (e.g., 1310)
  • multiplexing flag is the value of the multiplexing flag field 1412.
  • the number of HE-LTF s field 1316 indicates the number of HE-LTF symbols present in the NDP feedback report response and is set to 2 for 2 HE-LTF symbols, in accordance with some embodiments.
  • Equation (6) Starting STS N JM - floor of (AID -
  • FIG. 16 illustrates addressing for short feedback 1600 in accordance with some embodiments. Illustrated in FIG. 16 is starting AID field 1602, AID Step field 1604, feedback type field 1606, blocked access field 1608, target RS SI field 1610, a multiplexing flag field 1612, and an AID Step Size field 1616. One or more of the fields of FIG. 16 may not be present or may be located in a different portion of the trigger frame 1200. Additionally, one or more additional fields may be present. In some embodiments, one or more of the fields 1602, 1604, 1606, 1608, 1610, 1612, 1616 for addressing for short feedback 1600 are part of a trigger frame, e.g., trigger frame 1200.
  • a trigger frame e.g., trigger frame 1200.
  • the starting AID field 1602 may indicate a starting AID.
  • a HE STA 504 may remain blocked either for the one trigger frame (e.g., 1200) or for multiple trigger frames (e.g., 1200). For example, being blocked may indicate that the HE STA 504 is blocked until explicated unblocked or for a fixed time or number of trigger frames.
  • the target RSSI field 1610 may he the same or similar to the target RSSI field 1410 as disclosed herein.
  • the multiplexing flag field 1612 may he the same or similar as multiplexing flag field 1612 as disclosed herein.
  • the RU_TO E_SET_INDEX and starting_STS_NUM may be used by the HE STA 504 to determine an RU for the HE STA 504 to use to respond to the trigger frame 1200 as described herein. In some embodiments, the HE STA 504 may use a different way to determine how to determine an RU to use to respond to the trigger frame 1200.
  • one or more fields for addressing for short feedback 1700 may be part of a trigger dependent common information field (e.g., 1334), a user information field (e.g., 1212), and/or common information (e.g., 1210).
  • a trigger dependent common information field e.g. 1334
  • a user information field e.g., 1212
  • common information e.g., 1210
  • the starting AID field 1702 may indicate a starting AID.
  • AID Range Size field 1716 may indicate a range to be added to the starting AID field 1702.
  • the HE STAs 504 whose AID (e.g., 1012) falls within the range of Starting AID field 1716 through Starting AID field 1716 + AID Range Size field 1716 are solicited by the trigger frame (e.g., 1200).
  • the number of HE STAs 504 that can be solicited by one user information field 1212 is equal to the AID Range Size field 1716 (or AID Range Size field 1716 plus 1), in accordance with some embodiments.
  • the feedback type field 1706 may be the same or similar to the feedback type field 1406 as described herein.
  • the blocked access field 1708 may indicate whether the HE STAs 504 indicated by the starting AID field 1702 and AID Range Size 1716 are blocked (e.g., a value of 1 ), i.e., are not supposed to respond to the trigger frame (e.g., 1200), or are supposed to respond (e.g., a value of 0) to the trigger frame (e.g., trigger frame 1200).
  • the target RSSI field 1710 may be the same or similar to the target RSSI field 1410 as disclosed herein.
  • the multiplexing flag field 1712 may be the same or similar as multiplexing flag field 1412 as disclosed herein.
  • HE STAs 504 whose AID (e.g., 1012) falls within the range of Starting AID field 1602 through Starting AID field 1602 AID Range Size field 1716 is solicited for feedback, i.e., to respond to the trigger frame 1200.
  • the value of the Starting AID field 1702 + AID Range Size field 1716 may be adjusted.
  • AID Range Size field 1716 may be multiplied by a number, a number added to AID Range Size field 1716, etc.
  • the result of Starting AID field 1702 + AID Range Size field 1716 may be adjusted, e.g., multiplied by a number or a number added to the result.
  • the range may include both the end points.
  • the AID field 1802 may indicate a HE STA 504.
  • the AID field 1 802 i s a MAC address of the HE STA 504 or another address of the HE STA 504 that may be used to address the HE STA 504.
  • an RU for the HE STA 504 to respond with may be determined based on the position of the AID field 1802 within the list of AID field 1802.1 through AID field 1802.N. For example, there may be a predetermined order of RU such as RU tone set table 1020. In some
  • RU_TONE_SET_INDEX and Starting , STS__NUM may be used by the HE STA 504 to determine an RU for the HE STA 504 to use to respond to the FRP TF 1200 as described herein. In some embodiments, the HE STA 504 may use a different way to determine how to determine an RU to use to respond to the trigger frame 1200.
  • the RUs may include RUs for a code, time, space, and/or frequency domain.
  • the order of the AID within the AIDs 1802.1 through 1802.N may determine which RU is selected based on a predetermined order.
  • FIG. 19 illustrates addressing for short feedback 1900 in accordance with some embodiments. Illustrated in FIG. 19 is starting AID field 1902, ending AID field 1904, feedback type field 1906, bit map field 1908, target RSSI field 1910, and multiplexing flag field 1512. One or more of the fields of FIG. 19 may not be present or may be located in a different portion of the trigger frame 1200. Additionally, one or more additional fields may be present. In som e embodi ments, one or more of the fields 1902 through 1912 for addressing for short feedback 1900 are part of a trigger frame, e.g., trigger frame 1200. For example, one or more fields for addressing for short feedback 1900 may be part of a trigger dependent common information field (e.g., 1334), a user information field (e.g., 1212), and/or common information (e.g., 1210).
  • a trigger dependent common information field e.g. 1334
  • a user information field e.g., 1212
  • common information e.
  • the feedback type field 1906 may be the same or similar to the feedback type field 1406 as described herein.
  • the target RSSI field 1910 may be the same or similar to the target RSSI field 1410 as disclosed herein.
  • the multiplexing flag field 1912 may be the same or similar as multiplexing flag field 1412 as disclosed herein,
  • the Ending AID 1904 may indicate an offset as described in conjunction with FIGS. 16 and 17.
  • the Bit Map field 1908 may have size that is based on the number of AIDs between Starting Aid field 1902 and Ending Aid field 1904.
  • the number of HE STAs is the number of HE STAs.
  • RU_TONE_SET_INDEX and starting ST S _NUM may be used by the HE STA 504 to determine an RU for the HE STA 504 to use to respond to the trigger frame 1200 as described herein. In some embodiments, the HE STA 504 may use a different way to determine how to determine an RU to use to respond to the trigger frame 1200.
  • bit Map field 1908 there may only be a Bit Map field 1908 that indicates which HE STAs 504 are to respond.
  • the Bit Map field 1908 may ⁇ be mapped to a portion of a AID range.
  • the method 2000 continues at operation 2008 with is the HE station scheduled for an NDP feedback report response.
  • the method 2000 returns to operation 2002 with start if the HE station i s not scheduled. If the HE station is scheduled, the method 2000 continues at operation 2010 with determining a resource unit (RU) tone set index based on the TF for the NDP feedback report poll . For example, HE stations 504.1 through 504. N determine a RU tone set index as described in conjunction with FIGS. 8 and 10.
  • RU resource unit
  • the method 2000 continues at operation 2010 with determining a response to a feedback type indicated in the feedback type field.
  • HE stations 504. 1 through 504.N determine a response to the trigger frame 808 as described in conjunction with FIGS. 8 and 10.
  • the method 2000 may be performed by an apparatus of HE station 504, a HE station 504, a HE access point, or an apparatus of a HE access point, in accordance with some embodiments. One or more of the operations may be omitted. The method 2000 may include one or more additional operations. In some embodiments, the operations may be in a different order.
  • FIG. 21 illustrates a method of addressing for short feedback 2100 in accordance with some embodiments.
  • the method 2100 may begin at operation 2102 with encoding a TF for NDP feedback report poll, the TF comprising user information fields, where the user information fields indicate ranges of AIDs, the TF indicating RU tone sets for the HE stations indicated by the ranges of AIDs to transmit a NDP feedback report response.
  • HE access point 502 of FIG. 8 may encode trigger frame 808 as disclosed in conjunction with FIGS. 8 and 11.
  • the method 2100 may continue at operation 2104 with configuring the HE access point to transmit the TF to the HE station.
  • an apparatus of the HE access point 502 may generate signal ing to cause the HE access point 502 to transmit the trigger frame 808 as disclosed in conjunction with FIGS. 8 and 1 1.
  • the method 2100 may continue at operation 2106 with decoding the NDP feedback report responses from the HE stations in accordance with RU tone sets indicated by the TF.
  • HE access point 502 may decode the NDP feedback 809, 810, and 811 as disclosed in conjunction with FIGS. 8 and 11.
  • Example 2 the subject matter of Example 1 optionally includes where the user information fields further comprise a block access field, and where the processing circuitry is further configured to: determine the TF indicates the HE station is not scheduled for the NDP feedback report response if the AID of the HE station is between the value of the starting AID and the value of the ending AID for one of the user information fields, and a value of the block access field for the one user information field indicates blocked.
  • Example 3 the subject matter of any one or more of Examples
  • Example 4 the subject matter of Example undefined optionally includes where the user information fields comprise a starting AID field and an AID step field to indicate the ranges of AIDs, and the TF further includes an AID step size field, and where the processing circuitry is further configured to: determine the TF indicates the HE station is scheduled for the NDP feedback report response if an AID of the HE station is between the value of the starting AID field and a value of the value of the starting AID field plus a value of the AID step field times a value of the AID step size field for one of the user information fields.
  • Example 6 the subject matter of any one or more of Examples
  • the user information fields further comprise a bit map field
  • the processing circuitry is further configured to: determine the TF indicates the HE station is scheduled for the NDP feedback report response if the AID of the HE station is between the value of the starting AID field and the value of the value of the starting AID field plus the value of the
  • Example 7 the subject matter of Example undefined optionally includes , where the user information fields comprise a starting AID field to indicate the ranges of AIDs, and the TF further includes an AID range size field, and where the processing circuitry is further configured to: determine the TF indicates the HE station is scheduled for the NDP feedback report response if an AID of the HE station is between the value of the starting AID field and a value of the value of the starting AID field plus a value of the AID range size fi eld for one of the user information fields.
  • the user information fields further comprise a bit map field
  • the processing circuitry is further configured to: determine the TF indicates the HE station is scheduled for the NDP feedback report response if an AID of the HE station is between the value of the starting AID field and a value of the value of the starting AID field plus a value of the AID range size field, and a corresponding bit of the bit map field for the one user information field indicates scheduled.
  • Example 10 the subject matter of Example undefined optionally includes where the processing circuitry is further configured to: map tones of the RU tone set to a corresponding tone of a HE long-training field (HE- LTF) sequence, and where generate signaling further includes configure the HE station to transmit energy on the tones of the RU tone set in accordance with the corresponding tone of the HE-LTF sequence.
  • HE- LTF HE long-training field
  • Example 12 the subject matter of any one or more of
  • Example 13 the subject matter of Example undefined optionally includes where the TF further includes an indication of a bandwidth (BW) for the response, and where the processing circuitry is further configured to: determine the RU tone set based on the RU tone set index, the BW, and the response.
  • BW bandwidth
  • Example 14 the subject matter of Example undefined optionally includes access point.
  • Example 16 is a non-transitory computer-readable storage medium that stores instructions for execution by one or more processors of an apparatus of a high-efficiency (HE) station, the instructions to configure the one or more processors to: decode a trigger frame (TF) for a null data packet (NDP) feedback report poll, the TF including user information fields, where the user information fields indicate ranges of association identifications (AIDs), and where the TF further includes a feedback type field, the TF received from an HE access point; determine whether the TF indicates that the HE station is scheduled for an NDP feedback report response based on the range of AIDs indicated by the user information fields; when the HE station is scheduled for an NDP feedback report response, determine a resource unit (RU) tone set index based on the TF for the NDP feedback report poll, determine a response to a feedback type indicated in the feedback type fi eld, determine a RU tone set based on the RU tone set index and the response, and generate signaling to cause the HE station to transmit
  • TF
  • Example 17 the subject matter of Example 16 optionally includes where the user information fields comprise a starting AID field and an ending AID field to indicate the ranges of AIDs, and where the instructions further configure the one or more processors to: determine the TF indicates the HE station is scheduled for the NDP feedback report response if an AID of the HE station is between a value of the starting AID field and a value of the ending AID for one of the user information fields.
  • Example 20 is an apparatus of a high-efficiency (HE) access point, the apparatus including: memory; and processing circuitry coupled to the memory, the processing circuity configured to: encode a trigger frame (TF) for a null data packet (NDP) feedback report poll, the TF including user information fields, where the user information fields indicate ranges of association identifications (AIDs), the TF indicating resource unit (RU) tone sets for the HE stations indicated by the ranges of AIDs to transmit a NDP feedback report response; generate signaling to cause the HE access point to transmit the TF to the HE stations; and decode the NDP feedback report responses from the HE stations in accordance with RU tone sets indicated by the TF,
  • a trigger frame for a null data packet (NDP) feedback report poll
  • the TF including user information fields, where the user information fields indicate ranges of association identifications (AIDs), the TF indicating resource unit (RU) tone sets for the HE stations indicated by the ranges of AIDs to transmit a NDP feedback report response
  • Example 22 the subject matter of any one or more of
  • Examples 20-21 optionally include where the user information fields comprise a starting AID field and an AID step field to indicate the ranges of AIDs, and the TF further includes an AID step size field,
  • Examples 20-22 optionally include where the processing circuitry is further configured to: determine energy was transmitted on a RU tone set of the RU tone sets when tones of the RU tone set correspond to a corresponding tone of a HE long-training field (HE-LTF) sequence.
  • HE-LTF HE long-training field
  • Example 24 the subject matter of any one or more of
  • Examples 20-23 optionally include transceiver circuitry coupled to the processing circuitry; and, one or more antennas coupled to the transceiver circuitry, where the memory is configured to store the NDP feedback report poll.
  • Examples 25-26 optionally include where the user information fields comprise a starting AID field and an AID step field to indicate the ranges of AIDs, and the TF further includes an AID step size field,
  • Example 28 the subject matter of any one or more of
  • Examples 25-27 optionally include where the instructions further configure the one or more processors to: determine energy was transmitted on a RU tone set of the RU tone sets when tones of the RU tone set correspond to a corresponding tone of a HE long-training field (HE-LTF) sequence.
  • HE-LTF HE long-training field
  • Example 29 is a method performed by an apparatus of a high- efficiency (HE) access point, the method including: encoding a trigger frame (TF) for a null data packet (NDP) feedback report poll, the TF including user information fields, where the user information fields indicate ranges of association identifications (AIDs), the TF indicating resource unit (RU) tone sets for the HE stations indicated by the ranges of AIDs to transmit a NDP feedback report response; generating signaling to cause the HE access point to transmit the TF to the HE stations; and decoding the NDP feedback report responses from the HE stations in accordance with RU tone sets indicated by the TF.
  • AIDs ranges of association identifications
  • RU resource unit
  • Example 30 the subject matter of Example 29 optionally includes where the user information fields comprise a starting AID field and an ending AID field to indicate the ranges of AIDs.
  • Example 31 the subject matter of any one or more of
  • Example 32 the subject matter of any one or more of
  • Examples 29-31 optionally include the method further including: determining energy was transmitted on a RU tone set of the RU tone sets when tones of the RU tone set correspond to a corresponding tone of a HE long-training field (HE- LTF) sequence
  • Example 33 is an apparatus of a high-efficiency (HE) access point, the apparatus including: means for encoding a trigger frame (TF) for a null data packet (NDP) feedback report poll, the TF including user information fields, where the user information fields indicate ranges of association identifications (AIDs), the TF indicating resource unit (RU) tone sets for the HE stations indicated by the ranges of AIDs to transmit a NDP feedback report response; means for generating signaling to cause the HE access point to transmit the TF to the HE stations; and means for decoding the NDP feedback report responses from the HE stations in accordance with RU tone sets indicated by the TF.
  • a trigger frame TF
  • NDP null data packet
  • Examples 33-34 optionally include where the user information fields comprise a starting AID field and an AID step field to indicate the ranges of AIDs, and the TF further includes an AID step size field.
  • Example 36 the subject matter of any one or more of
  • Examples 33-35 optionally include the apparatus further including: means for determining energy was transmitted on a RU tone set of the RU tone sets when tones of the RU tone set correspond to a corresponding tone of a HE long- training field (HE-LTF) sequence.
  • HE-LTF HE long- training field
  • Example 37 is an apparatus of a high-efficiency (HE) station, the apparatus including: means for decoding a trigger frame (TF) for a null data packet (NDP) feedback report poll, the TF including user information fields, where the user information fields indicate ranges of association identifications (AIDs), and where the TF further includes a feedback type field, the TF received from an HE access point; means for determining whether the TF indicates that the HE station is scheduled for an NDP feedback report response based on the range of AIDs indicated by the user information fields; when the HE station is scheduled for an NDP feedback report response, means for determining a resource unit (RU) tone set index based on the TF for the NDP feedback report poll, means for determining a response to a feedback type indicated in the feedback type field, means for determining a RU tone set based on the RU tone set index and the response, and means for generating signaling to cause the HE station to transmit on the tones of the RU tone set.
  • RU resource unit
  • Example 39 the subject matter of Example 38 optionally includes where the user information fields further comprise a block access field, and where the apparatus further includes: means for determining the TF indicates the HE station is not scheduled for the NDP feedback report response if the AID of the HE station is between the value of the starting AID and the value of the ending AID for one of the user information fields, and a value of the block access field for the one user information field indicates blocked.
  • Example 40 the subject matter of any one or more of
  • Examples 38-39 optionally include where the user information fields further comprise a bit map field, and where the apparatus further including: means for determining the TF indicates the FIE station is scheduled for the NDP feedback report response if the AID of the HE station is between the value of the starting AID and the value of the ending AID for one of the user information fields and a corresponding bit of the bit map field for the one user information field indicates scheduled.
  • Example 41 the subject matter of any one or more of
  • Examples 37-40 optionally include where the user information fields comprise a starting AID field and an AID step field to indicate the ranges of AIDs, and the TF further includes an AID step size field, and where the apparatus further includes: means for determining the TF indicates the HE station is scheduled for the NDP feedback report response if an AID of the HE station is between the value of the starting AID field and a value of the value of the starting AID field plus a value of the AID step field times a value of the AID step size field for one of the user information fields.
  • Example 43 the subject matter of any one or more of
  • Examples 41 -42 optionally include where the user information fields further comprise a bit map field, and where the apparatus further includes: means for determining the TF indicates the HE station is scheduled for the NDP feedback report response if the AID of the HE station is between the value of the starting AID field and the value of the value of the starting AID field plus the value of the AID step field times the value of the AID step size field, and a corresponding bit of the bit map field for the one user information field indicates scheduled.
  • Example 44 the subject matter of any one or more of
  • Example 45 the subject matter of Example 44 optionally includes where the user information fields further comprise a block access field, and where the apparatus further includes: means for determining the TF indicates the HE station is not scheduled for the NDP feedback report response if an AID of the HE station is between the value of the starting AID field and a value of the value of the starting AID field plus a value of the AID range size fi eld, and a value of the block access field for the one user information field indicates blocked.
  • Example 47 the subject matter of any one or more of

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Abstract

L'invention concerne des appareils, des supports lisibles par ordinateur et des procédés d'adressage destinés à une rétroaction courte. Un appareil d'adressage destiné à une rétroaction courte comprend un circuit de traitement configuré pour décoder une trame de déclenchement (TF) destinée à un sondage de rapport de rétroaction de paquet de données nul (NDP), la TF comprenant des champs d'informations d'utilisateur, les champs d'informations d'utilisateur indiquant des plages d'identifications d'association (AID), et la TF comprenant en outre un champ de type de rétroaction, la TF reçue d'un point d'accès HE. Les circuits de traitement peuvent en outre être configurés pour déterminer si la TF indique que la station HE est programmée pour une réponse de rapport de rétroaction NDP sur la base de la plage d'AID indiquées par les champs d'informations d'utilisateur.
PCT/US2018/028435 2017-04-19 2018-04-19 Adressage destiné à une rétroaction courte WO2018195354A1 (fr)

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US201762487225P 2017-04-19 2017-04-19
US201762487177P 2017-04-19 2017-04-19
US62/487,225 2017-04-19
US62/487,177 2017-04-19
US201862633238P 2018-02-21 2018-02-21
US62/633,238 2018-02-21

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GB2584886A (en) * 2019-06-19 2020-12-23 Canon Kk Adjustable range of aids allowed for random access in short feedback procedures in wireless networks
WO2020254599A1 (fr) * 2019-06-19 2020-12-24 Canon Kabushiki Kaisha Accès aléatoire pour procédures de rétroaction courtes dans des réseaux sans fil
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GB2600740A (en) * 2020-11-06 2022-05-11 Canon Kk Short feedback procedure for signalling multiple technologies in wireless networks
GB2584887B (en) * 2019-06-19 2022-06-22 Canon Kk Collision detection during short feedback procedures in wireless networks

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GB2582022A (en) * 2019-03-08 2020-09-09 Canon Kk Communication methods, communication device station and access point
US20220322426A1 (en) * 2019-06-19 2022-10-06 Canon Kabushiki Kaisha Random access for short feedback procedures in wireless networks
GB2584887B (en) * 2019-06-19 2022-06-22 Canon Kk Collision detection during short feedback procedures in wireless networks
US12177908B2 (en) * 2019-06-19 2024-12-24 Canon Kabushiki Kaisha Random access for short feedback procedures in wireless networks
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CN113994622A (zh) * 2019-06-19 2022-01-28 佳能株式会社 无线网络中的短反馈过程的随机接入
GB2584886B (en) * 2019-06-19 2021-11-03 Canon Kk Adjustable range of aids allowed for random access in short feedback procedures in wireless networks
WO2020254599A1 (fr) * 2019-06-19 2020-12-24 Canon Kabushiki Kaisha Accès aléatoire pour procédures de rétroaction courtes dans des réseaux sans fil
CN113994622B (zh) * 2019-06-19 2024-05-07 佳能株式会社 无线网络中的短反馈过程的随机接入
GB2584886A (en) * 2019-06-19 2020-12-23 Canon Kk Adjustable range of aids allowed for random access in short feedback procedures in wireless networks
KR20220018019A (ko) * 2019-06-19 2022-02-14 캐논 가부시끼가이샤 무선 네트워크들에서의 짧은 피드백 절차들을 위한 랜덤 액세스
GB2585229B (en) * 2019-07-04 2021-10-27 Canon Kk Variable configurations of NFRP RU tone sets in wireless networks
GB2585229A (en) * 2019-07-04 2021-01-06 Canon Kk Variable configurations of NFRP RU tone sets in wireless networks
EP3846373A1 (fr) * 2020-01-05 2021-07-07 Intel Corporation Mac et phy pour ofdma post compatible
GB2600740A (en) * 2020-11-06 2022-05-11 Canon Kk Short feedback procedure for signalling multiple technologies in wireless networks
GB2600740B (en) * 2020-11-06 2023-05-03 Canon Kk Short feedback procedure for signalling multiple technologies in wireless networks
WO2022096619A1 (fr) * 2020-11-06 2022-05-12 Canon Kabushiki Kaisha Procédure de rétroaction courte permettant de signaliser de multiples technologies dans des réseaux sans fil

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