WO2020175137A1 - Dispositif de communication, dispositif de traitement d'informations, procédé de commande, et programme - Google Patents

Dispositif de communication, dispositif de traitement d'informations, procédé de commande, et programme Download PDF

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Publication number
WO2020175137A1
WO2020175137A1 PCT/JP2020/005310 JP2020005310W WO2020175137A1 WO 2020175137 A1 WO2020175137 A1 WO 2020175137A1 JP 2020005310 W JP2020005310 W JP 2020005310W WO 2020175137 A1 WO2020175137 A1 WO 2020175137A1
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euse
subfield
patia
subband
information
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PCT/JP2020/005310
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English (en)
Japanese (ja)
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光彬 湯川
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キヤノン株式会社
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/06—Optimizing the usage of the radio link, e.g. header compression, information sizing, discarding information
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • 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

  • the present invention relates to a device for communicating data by wireless communication.
  • EEEE 802.11 series standard is known as the WLA N communication standard formulated by Elect r o n ic s Eng i n e er s). Note that W L A N is an abbreviation for W i r e I e s s L o c a l A r e a N e t wor k.
  • the IEE E802.11 series standards include standards such as IEE E802.11 a/b/g/n/ac/aX standards.
  • Patent Document 1 discloses performing wireless communication according to the IEEE 802.1 1a x standard by ⁇ F D MA ( ⁇ r t h o g o n a l f r e q u e n c y — d i v i s i o n m u l t i pI e a c c e s s ).
  • I E E E802.11 ax standard high peak throughput is achieved by executing wireless communication using F D M A.
  • the carrier sense level can be dynamically controlled by a function called Spatia iR Reu se.
  • the next-generation WL AN communication standard is the IEEE 802.11 EHT (Extreme Iy High Throughput) standard, which is the successor to the EEE 802.11 a X standard. Being considered.
  • the IEEE 802.11 EHT standard considers expanding the bandwidth of radio waves to improve throughput.
  • Patent Document 1 Japanese Unexamined Patent Publication No. 2018_50133 Summary of the invention
  • the IEEE 802.11 EHT standard it is considered to extend the bandwidth of radio waves to 320 MHz.
  • the maximum radio bandwidth is 160 MHz, so when communicating using a 320 MHz bandwidth, information related to Spatial Reuse is used. There was no proper frame structure that could be used to communicate.
  • the communication device of the present invention includes a generation unit that generates E HT TB (Trigger—B ased) PP DU (Physical Layer Protocol D ata U nit ), and an LS TF.
  • E HT TB Trigger—B ased
  • PP DU Physical Layer Protocol D ata U nit
  • LS TF LS TF
  • L egacy— short T raining F ield and L-LT F (L egacy— Long T raining F ie I d) after L e L TF and L — SIG (L L egacy—S igna I) and the fields after the L _ SIG, S patial R euse 1 subfield, S patial R euse 2 subfield, S patial R euse 3 subfield, and S patial R euse 4 sub-fields, and if the communication device uses a bandwidth of 320 MHz as the bandwidth, the S patia IR eusel sub-field is information about Spatial Reuse in the first 80 MHz sub-band.
  • the S patial R euse 2 subfield gives information about S patia IR euse in the second 80 MH z subband
  • the S patial R euse 3 subfield shows the S patia R euse 3 subfield in the third 8 OMH z subband.
  • the S patial R euse 4 subfield is the fourth 80 E HT— SIG— A (Extre me ly H igh T h roughput-S ignal -A) indicating information on Spatia IR euse in MH z subband and EH TS TF (after EH TS I G-A) Extre me ly H igh T hroughput-Short T raining F ield), and EH T-LTF (Ex tre me ly H igh T hroughput-Long T raining F ield) after the EH TS TF. It has a transmission means for transmitting the EHTTBPPDU.
  • a communication device is a transmitter that transmits a trigger frame to another communication device, and L-ST F when the trigger frame is transmitted by the transmitter.
  • L-LT F after the L-ST F
  • L-S G after the L-LTF
  • a field after the L-S G where S patial R eusel subfield, S patial R euse 2 subfield, S patial R euse 3 subfield, and S patia IR euse 4 subfield, and when other communication equipment uses a bandwidth of 32 OMHz
  • the S The patia IR euse 1 subfield shows information about S patia IR euse in the first 8 OMH z subband
  • the S patia IR euse 2 subfield shows information about S patia IR euse in the second 80 MH z subband
  • the S patia IR euse 3 subfield gives information about the S patia IR euse in the third 8 MH z subband
  • EHT-SIG-A indicating information about EHT-SIG-A, EHT-ST Ft after the EHT-SIG-A, EHT-LTF after the EHT-STF, and EHTTBPP DU including the other communication device. It has a receiving means for receiving from.
  • the information processing apparatus of the present invention comprises: a receiving unit that receives a trigger frame; and an L-ST F when the receiving unit receives the trigger frame.
  • the S patia IR eusel subfield gives information about the S patial R euse in the first 80 MHz subband and the S patial R euse 2 subfield gives information about the S patia IR euse in the second 80 MH z subband.
  • the S patial R euse 3 subfield gives information about the S patial R euse 3 subfield in the third 8 OMH z sub
  • E HT-S I GA showing information about S patia ⁇ Reuse in the MH z subband, EHT-STF after the E HT-S IG -A, EHT-LTF after the EHT-STF, and It has a generation means for generating EHTTBPPDU including
  • a communication device capable of communicating using a bandwidth of 32 OMH Z can communicate information regarding S p a tia l R e u s e with an appropriate frame configuration.
  • FIG. 1 is a diagram showing a configuration of a network in which a communication device 103 participates.
  • FIG. 2 is a diagram showing a hardware configuration of the communication device 103.
  • FIG. 3 is a diagram showing an example of a PHY frame configuration of an EHTTBPPDU transmitted by the communication device 103.
  • FIG. 9 is a diagram showing an example of meanings corresponding to the value of a field.
  • FIG. 4 is a diagram showing an example of a relationship between 4 subfields and subbands.
  • FIG. 1 shows the configuration of the network in which the communication device 103 according to this embodiment participates.
  • the communication devices 103 to 105 are stations (STA, Stat i on) having a role of participating in the network 101.
  • the communication device 102 is an access point (AP, Ac ce s s P o i n t) having a role of constructing the network 110 1.
  • Each communication device supports the IEE E802.11 EHT standard, and can perform wireless communication conforming to the IEE E802.11 EHT standard via the network 101.
  • E E E is an abbreviation for I n st i t u t e o f E l e c t r i c a l a n d E I e c t r o n i c s En g i n e e r s.
  • E H T is an abbreviation for E x t r e me l y H i g h T h r o u g h p u t.
  • EHT may be interpreted as an abbreviation for ExtrmemeHighThrooghhput.
  • Each communication device can communicate in the frequency bands of 2.4 GHz band, 5 GHz band, and 6 GHz band. Also, each communication device can communicate using bandwidths of 20 MHz, 40 MHz, 80 MHz, 160 MHz, and 320 MHz.
  • the communication devices 102 to 105 perform multi-user (MU, Mu) that multiplexes signals of multiple users by executing ⁇ F DMA communication conforming to the IEEE 802.11 EHT standard.
  • ⁇ F DMA communication conforming to the IEEE 802.11 EHT standard.
  • ti U ser) Communication can be realized.
  • ⁇ FDMA communication is an abbreviation for Orthogonal Frequency Division Multiple Access (Orthogonal Frequency Division Multiple Access).
  • OF D MA communication part of the divided frequency band (RU, Resource Unit) is allocated so that it does not overlap with each STA, and the carriers of each STA are orthogonal. Therefore, the AP can communicate with multiple STAs in parallel. You can
  • the communication devices 102 to 105 are MU M I M ⁇ (Mu l t i U se r
  • the communication device 1002 has a plurality of antennas, and by assigning one or more antennas to each of the communication devices 103 to 105, simultaneous communication with a plurality of STAs can be realized.
  • the communication device 102 can simultaneously transmit radio waves to a plurality of STAs by adjusting the radio waves transmitted to the communication devices 103 to 105 so that they do not interfere with each other.
  • the communication devices 102 to 105 have a function called Spatial Reuse, which is capable of dynamically controlling the carrier sense level.
  • Spatial Reuse ⁇ BSS PD (Packet D et
  • ⁇ BSS is an abbreviation of overlapping basic service set.
  • ⁇ B b SPD-based the communication device sets the carrier based on whether the received packet is from the BSS to which the own device belongs, or from another BSS to which the own device does not belong. Control to change the sense threshold. Specifically, the communication device controls to raise the carrier sense threshold in the case of a bucket from another BSS to which the communication device does not belong. As a result, even if communication is conventionally suppressed, even if another BSS packet to which the own device does not belong is being communicated, the communication of the own device can be performed.
  • the communication device performs transmission from its own device with transmission power that does not affect the receiving operation of other BSSs to which the own device does not belong.
  • SRP_ based can be executed only when another BSS that does not belong to the own device permits its execution.
  • the communication device will be able to transmit data even while the AP of another BSS is receiving the data.
  • the communication devices 103 to 105 which are STAs, are different from the communication device 102, which is an AP, in each of the Spatia IR ates. It is necessary to inform whether the function is permitted to be executed.
  • each function of Spatia IR euse may be set by the user or may be preset. Alternatively, the communication devices 103 to 105 may set whether or not to execute the respective functions of Spatia IR euse, based on the data amount of the data transmitted by the own device and the priority of the data. Further, when executing the Spatia IR euse by SR P-based, the communication devices 103 to 105 need to notify the communication device 102, which is an AP, of the upper limit of the transmission power used by the communication devices. is there. Therefore, the communication devices 103 to 105 notify the communication device 102 of these pieces of information to the communication device 102, which is the AP, by using the P HY frame.
  • the communication devices 102 to 105 comply with the IEEE 802. 11 EHT standard, but in addition to this, in addition to the legacy standard, which is a standard prior to the IEEE 802. 11 E HT standard. May correspond. Specifically, the communication devices 102 to 105 may support at least one of the IEE E802.11 a/b/g/n/a c/a x standards. In addition to the IEE E802.11 series standard, BLUETOOTH (registered trademark), NFC, UWB,
  • UWB is an abbreviation for Ultra Wid e B a n d
  • MB ⁇ A is an abbreviation for M u It i B a n d O F DM A l l i a n c e
  • N F C is an abbreviation of N e a r F i e l d Comm u n i c a t i o n.
  • UWB includes Wireless US B, Wireless 1 394, W i N E T, etc. Further, it may be compatible with a communication standard for wired communication such as wired LAN.
  • Specific examples of the communication device 102 include, but are not limited to, a wireless LAN router and a PC.
  • the communication device 102 is a wireless chip capable of executing wireless communication conforming to the EEE 80 2.1 1 E HT standard.
  • An information processing device such as Further, specific examples of the communication devices 103 to 105 include, but are not limited to, cameras, tablets, smartphones, PCs, mobile phones, and video cameras. Further, the communication devices 103 to 105 may be information processing devices such as wireless chips capable of executing wireless communication conforming to the IEEE 802. 11 EHT standard.
  • the network in Figure 1 is a network consisting of one AP and three STAs, but the number of APs and STAs is not limited to this.
  • An information processing device such as a wireless chip has an antenna for transmitting the generated signal.
  • FIG. 2 shows the hardware configuration of the communication device 103 according to the present invention.
  • the communication device 103 includes a storage unit 201, a control unit 202, a function unit 203, an input unit 204, an output unit 205, a communication unit 206, and an antenna 207.
  • the storage unit 201 is configured by a memory such as a ROM and a RAM, and stores a computer program for performing various operations described below and various information such as communication parameters for wireless communication.
  • ROM is the abbreviation for R a d O n l y Me mo r y
  • RAM is the abbreviation for R a n d om Ac c es s Me mo r y.
  • the storage unit 201 in addition to memories such as ROM and RAM, storage of flexible disks, hard disks, optical disks, magneto-optical disks, CD-ROMs, CD-Rs, magnetic tapes, non-volatile memory cards, DVDs, etc. A medium may be used. Further, the storage unit 201 may include a plurality of memories or the like.
  • the control unit 202 is configured by one or more processors such as CPU and MPU, and controls the entire communication device 103 by executing a computer program stored in the storage unit 201. Note that the control unit 202 may control the entire communication device 103 in cooperation with a computer program stored in the storage unit 201 and O S (Operating System). The control unit 202 also generates data and signals to be transmitted in communication with other communication devices.
  • the CPU is Ce ntra IP rocessin MP U of g U nit is an abbreviation for Micro Processing U nit. Further, the control unit 202 may include a plurality of processors such as a multi-core, and the plurality of processors may control the entire communication device 103.
  • control unit 202 controls the functional unit 203 to execute predetermined processing such as wireless communication, imaging, printing, and projection.
  • the functional unit 203 is hardware for the communication device 103 to execute a predetermined process.
  • the input unit 204 receives various operations from the user.
  • the output unit 205 performs various outputs to the user via the monitor screen and the speaker.
  • the output by the output unit 205 may be a display on a monitor screen, a voice output from a speaker, a vibration output, or the like.
  • both the input unit 204 and the output unit 205 may be realized by one module like a touch panel.
  • the input unit 204 and the output unit 205 may be integrated with the communication device 103 or may be separate units.
  • the communication unit 206 controls wireless communication complying with the IEEE 802.1 1 EHT standard. In addition to the EE E802.11 EHT standard, the communication unit 206 controls wireless communication compliant with other EE E802.11 series standards and wired communication such as wired LAN. Good. The communication unit 206 controls the antenna 207 to transmit and receive a wireless signal generated by the control unit 202 for wireless communication. If the communication device 103 supports the NFC standard, BI uet ⁇ ⁇ th standard, etc. in addition to the ⁇ EEE 802 .11 EHT standard, wireless communication control complying with these communication standards will be performed. You can go.
  • the communication device 103 can execute wireless communication conforming to a plurality of communication standards
  • the communication unit 206 and the antenna 207 corresponding to the respective communication standards may be individually provided.
  • the communication device 103 communicates data such as image data, document data, and video data with the communication device 102 via the communication unit 206.
  • the antenna 207 may be configured separately from the communication unit 206, or may be configured as one module together with the communication unit 206.
  • the communication devices 102, 104, and 105 may also have the same hardware configuration as the communication device 103.
  • FIG. 3 shows an E H T T B with which the communication device 103 communicates in the present embodiment.
  • T B is an abbreviation for T r i g g e r — B a s e d.
  • P P DU is an abbreviation for P h y s i c a l L a y e r (P HY) P r o t o c o l D a t a U n i t.
  • the EHT TBP PDU is a signal transmitted by the communication device 103 that has received the ligature frame transmitted from the communication device 102, which is an AP.
  • E HT TBPP DU is used when transmitted in response to a trigger frame.
  • This frame consists of L-STF 301, L-LT F 302, LS I G303, R LS I G304, EHT-S G G-A 305, E HT-ST F 306, and EH T-LTF 307 from the beginning. Composed.
  • E HT-LT F 307 is configured to be followed by a data field 308, and a Pocket Extention 309. The order of the fields of EHTTBPPDU is not limited to this.
  • EHT is an abbreviation for Extre me I y H igh T hroughput
  • EHT-STF is an abbreviation for E xtre me ly H igh T hroughput S hort T raining F ield.
  • RL—SIG is an abbreviation for Repeated Legacy Signal.
  • the EHTTBPP DU shown in Fig. 3 is transmitted by the communication device 103 from the L—STF 301 in order.
  • 03 may generate and then transmit the entire E HT TBPP DU, or may generate and transmit in parallel in order from L-ST F 301.
  • a communication device In parallel with sending the field after 03 generates L_S TF 301, L_LTF 302 is generated. You can go.
  • L- ST F 301, L- LT F 302, and L- S I G 303 are respectively
  • L-ST F 301, L-LT F 302, and LS IG 303 can be decoded by a communication device supporting the IEEE 802.11 series prior to the IEEE 802.11 ax standard. It's a legacy field.
  • the L-ST F 301 is used for detection of a radio packet signal, automatic gain control (AGC, Aut om a t ic G ain Co n t r o l), timing detection, and the like.
  • the L-LT F 302 is used for high-accuracy frequency/time synchronization and acquisition of propagation channel information (CS I, C h a n n n e l S t a t e In f o r m a t i o n ).
  • the L-S I G303 is used to transmit control information including data transmission rate and packet length information.
  • R L-S I G 304 may be omitted.
  • F 307 is a field that can be decoded by a communication device compatible with the IEE E 802.1 1 EHT standard.
  • L-ST F 301, L-LT F 302, LS I G303, R L- SI G304, E HT-S I G-A305, E HT-ST F 306, and E HT-LT F 307 are collectively referred to as a PHY preamble.
  • the E HT-S I G-A305 is divided into two fields, an E HT-S I G-A 1 field and an E H T-S ⁇ 0-82 field.
  • the EHT-S G-A1 field is composed of the subfields shown in Table 1.
  • the communication device 103 uses the respective subfields of S p a t i a l R e u s e l to 4 to indicate information about S p at i al R e u s e.
  • Fig. 4 shows stations and tastes with respect to the values of the subfields of Spatial aReus e 1 to 4 with respect to J.
  • the sub-field value is 1 to 14, it means the upper limit of the transmission power used by the communication device 103 when executing S p a t i a I R e u u se by S R P — b a s ed.
  • S p a tia l R e u s e l to 4 subfields correspond to 2 OMH z subbands, respectively.
  • Fig. 5 shows the relationship between the Spatia Reuse 1 to 4 subfields and the subbands for each used bandwidth.
  • the Spatial Reusel subfield indicates information on Spatia IR euse in the first 2 OMH z subband.
  • the Spatial Reuse 2 to 4 subfields have the same value as the Spatial Reuse subfield.
  • the S p a t i a l R e u s e l subfield indicates information about S p at i a I R e u s e in the first 2 OMH z subbands.
  • the S p a t i a l R e u s e 2 subfield indicates information about S p at i a I R e u s e in the second 2 OMH z subband.
  • the frequency band being used is the 2.4 GHz band, the same value as the S p a t i a l R e u s e l subfield is entered.
  • the S p a t i a l R e u s e 3 subfield has the same value as the S p a t i a I R e u s e l subfield.
  • the same value as the S p a t i a I R e u s e 2 subfield enters the S p a t i a l R e u s e 4 subfield.
  • the S p a t i a l R e u s e l subfield indicates information about S p at i a I R e u s e in the first 2 OMH z subbands. Also, the S p a t i a l R e u s e 2 subfield indicates information about S p at i a I R e u s e in the second 2 OMH z subband.
  • the S p a tia l R e u s e 3 subfield gives information about S p at i a I R e u s e in the third 2 OMH z subband.
  • the S p a tia l R e u s e 4 subfield provides information about S p at i a I R e u s e in the fourth 20 MHz subband.
  • One subfield gives information about Spatia IR euse in the first 4 OMH z subbands.
  • the Spatial Reuse 2 subfield is 3 31: ⁇ 3 I in the second 4 OMH 2 subband. Shows information about Reuse.
  • the Spatial Reuse 3 subfield provides information on Spatia IR euse in the third 4 OMH z subband.
  • the S patial R euse 4 subfield indicates information on the S patia IR euse in the fourth 40 MHz subband.
  • the S patial R eusel subfield is the S patia IR euse in the first 4 OMH z subband. Indicates information about.
  • the S p a t i a l R e u s e 2 subfield indicates information about S p at i a I R e u s e in the second 4 OMH z subband.
  • the S p a t i a l R e u s e 3 subfield has the same value as the S p at i a I R e u s e l subfield.
  • the same value as the S p a t i a I R e u s e 2 subfield is placed in the S p a t i a l R e u s e 4 subfield.
  • One subfield shows information about Spatia IR euse in the first 8 OMH z subbands.
  • the Spatial Reuse 2 subfield also provides information on Spatia IR euse in the second 8 OMH z subband.
  • the Spatial Reuse 3 subfield provides information on Spatia IR euse in the third 8 OMH z subband.
  • the S patial R euse 4 subfield indicates information on the S patia IR euse in the fourth 80 MHz subband.
  • there are four Spatial Reuse subfields each of which shows information on Spatial Reuse in a subband having a bandwidth of 8 OMHz, but the present invention is not limited to this.
  • one Spatial Reuse subfield may indicate information about Spatia IR euse in a subband having a bandwidth of 20 MHz.
  • the Spatial Reuse subfile The number of lodges increased from 4 to 16 and the number of bits increased accordingly.
  • the present invention is not limited to this, and one Spatial Reuse subfield may indicate information on Spatia IR euse in a subband having a bandwidth of 4 OMH z.
  • the S p a t i a l R e u s e l subfield gives information about S p at i a I R e u s e in the first 80 M H z subband.
  • the S p a t i a l R e u s e 2 subfield shows information on S p a t i a I R e u s e in the second 80 MHz subband.
  • the S p a t i a l R e u s e 3 subfield has the same value as the S p at i a I R e u s e l subfield.
  • the same value as the S p a t i a I R e u s e 2 subfield is entered in the S p a t i a l R e u s e 4 subfield.
  • one S p a t i a l R e u s e subfield may indicate information about S p at i a I R e u s e in a subband of bandwidth 2 OMH z.
  • the number of S p a t i a l R e u s e subfields increases from 4 to 16, and the number of bits increases accordingly.
  • one S p a t i a l R e u s e subfield may indicate information about S p at i a I R e u s e in a subband having a bandwidth of 4 OMH z.
  • the communication device 103 which is the STA, generates and transmits the EHTTBPPDU including the information on the Spatial Reuse, and the communication device 103, which is the AP, transmits the EHTTBPPDU to the communication device 102, which is the own device. You can send information about the use of euse.
  • the communication device 102 which is an AP, receives from the communication device 103 the EHTTBPPDU including the Spatia R eusel ⁇ 4 subfields. By doing so, it is possible to obtain information on the use of the Spatial Reuse of the communication device 103.
  • the Spatial Reuse 1 to 4 subfields are the EHT SU (Single User) that is communicated when performing single-user communication (communication between 3 and 8 of eight and single_). ) Not included in PPDU.
  • S p a t i a I R e u s e 1 to 4 sub-fields are not included in E HT ER (E x t e n d e d R a n g e) S U P P P DU that is communicated when performing single-user communication with an extended communication distance.
  • S p atia I R eu s e 1 to 4 subfields are not included in E HT MU P P DU communicated when executing MU communication.
  • the P HY frame of the E HT T B P P D U is
  • the PHY frame of the EHTTBPPDU may be configured not to include L-STF, L-LTF, L-SIG, and RL-SIGG.
  • the PHY frame of E HT TBP PDU consists of E HT— ST F, E HT— LT F, E HT— SIG— A, EHT— LTF, data field, and packet extension from the beginning. Good.
  • the EHT-LTF following the EHT-SIGG-A field may be omitted.
  • the communication device 103 when the communication device 103 communicates in the 6 GHz band, the communication device supporting only the IEEE 802.11a X standard or earlier does not receive the signal, and therefore, the communication is performed using the EHTTBPPDU that does not include the legacy field. You may.
  • the name of each field, the position of the bit, and the number of bits used in this embodiment are not limited to those described in this embodiment, and similar information includes different field names, different positions, and different bits. It may be stored in the P HY frame by the number of packets. ⁇ 2020/175 137 17 ⁇ (:171? 2020/005310
  • the present invention can be embodied as a system, an apparatus, a method, a program, a recording medium (storage medium), or the like.
  • a plurality of devices eg, host computer, interface device, imaging device, It may be applied to a system composed of a single application, etc.) or to a device composed of one device.
  • the present invention supplies a program that implements one or more functions of the above-described embodiments to a system or device via a network or a storage medium, and one or more processors in a computer of the system or device. Can also be realized by the process of reading and executing the program. It can also be realized by a circuit that realizes one or more functions (for example, eighty-three meters).

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  • Computer Networks & Wireless Communication (AREA)
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Abstract

La présente invention permet, lorsqu'une bande passante de 320 MHz est utilisée comme bande passante, la communication de PPDU EHT TB, y compris EHT-SIG-A qui comprend : une sous-zone de réutilisation spatiale (1) qui indique des informations relatives à la réutilisation spatiale dans une première sous-bande de 80 MHz; une sous-zone de réutilisation spatiale (2) qui indique des informations relatives à la réutilisation spatiale dans une deuxième sous-bande de 80 MHz; une sous-zone de réutilisation spatiale (3) qui indique des informations relatives à la réutilisation spatiale dans une troisième sous-bande de 80 MHz; et une sous-zone de réutilisation spatiale (4) qui indique des informations relatives à la réutilisation spatiale dans une quatrième sous-bande de 80 MHz.
PCT/JP2020/005310 2019-02-28 2020-02-12 Dispositif de communication, dispositif de traitement d'informations, procédé de commande, et programme WO2020175137A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2019-036702 2019-02-28
JP2019036702A JP2020141326A (ja) 2019-02-28 2019-02-28 通信装置、情報処理装置、制御方法、およびプログラム

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114499797A (zh) * 2020-11-12 2022-05-13 华为技术有限公司 Ppdu中空间复用参数字段的确定方法及相关装置

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180062805A1 (en) * 2016-08-25 2018-03-01 Po-Kai Huang Setting of spatial reuse field for he trigger-based ppdu

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10575249B2 (en) * 2016-11-22 2020-02-25 Frontside Transmitting PPDU
US11510098B2 (en) * 2017-08-11 2022-11-22 Intel Corporation Determining a number of spatial streams and a bandwidth

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20180062805A1 (en) * 2016-08-25 2018-03-01 Po-Kai Huang Setting of spatial reuse field for he trigger-based ppdu

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
COFFEY SEAN, REALTEK, INTEL LAURENT CARIOU: "Supplementary instructions related to OBSS_PD spatial reuse Disallow / Prohibit", IEEE 802.11-17/0748RL, 9 May 2017 (2017-05-09), pages 1 - 10, XP055734663, Retrieved from the Internet <URL:https://mentor.ieee.org/802.11/dcn/17/11-17-0748-01-00ax-supplementary-instructions-related-to-obss-pd-spatial-reuse-disallow-prohibit.docx> [retrieved on 20200407] *
HONGYUAN ZHANG (MARVELL ET AL.: "802.11ax Preamble Design and Auto- detection-r4", IEEE 802.11-15/0579, 13 September 2015 (2015-09-13), pages 1 - 46, XP055734728, Retrieved from the Internet <URL:https://mentor.ieee.org/802.11/dcn/15/11-15-0579-04-00ax-preamble-design-and-autodetection.pptx> [retrieved on 20200407] *
LEONARDO LANANTE (KYUSHU INSTITUTE OF TECHNOLOGY ET AL.: "Extensible Preamble Format Design", IEEE 802.11-15/0853R3, 15 September 2015 (2015-09-15), pages 1 - 15, XP055734671, Retrieved from the Internet <URL:https://mentor.ieee.org/802.11/dcn/15/11-15-0853-03-00ax-extensible-preamble-format-design.pptx> [retrieved on 20200407] *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114499797A (zh) * 2020-11-12 2022-05-13 华为技术有限公司 Ppdu中空间复用参数字段的确定方法及相关装置
EP4231773A4 (fr) * 2020-11-12 2024-04-10 Huawei Technologies Co., Ltd. Procédé pour déterminer un champ de paramètre de réutilisation spatiale dans une ppdu, et appareil associé

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