WO2022178854A1 - 通信方法和通信设备 - Google Patents
通信方法和通信设备 Download PDFInfo
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- WO2022178854A1 WO2022178854A1 PCT/CN2021/078228 CN2021078228W WO2022178854A1 WO 2022178854 A1 WO2022178854 A1 WO 2022178854A1 CN 2021078228 W CN2021078228 W CN 2021078228W WO 2022178854 A1 WO2022178854 A1 WO 2022178854A1
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- qam
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- support capability
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- 238000004891 communication Methods 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 66
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- 230000005540 biological transmission Effects 0.000 claims description 45
- 238000004590 computer program Methods 0.000 claims description 12
- 238000001228 spectrum Methods 0.000 abstract description 4
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- 238000005516 engineering process Methods 0.000 description 6
- 239000000523 sample Substances 0.000 description 6
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- 230000002776 aggregation Effects 0.000 description 4
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/53—Allocation or scheduling criteria for wireless resources based on regulatory allocation policies
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/32—Carrier systems characterised by combinations of two or more of the types covered by groups H04L27/02, H04L27/10, H04L27/18 or H04L27/26
- H04L27/34—Amplitude- and phase-modulated carrier systems, e.g. quadrature-amplitude modulated carrier systems
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signaling for the administration of the divided path
- H04L5/0092—Indication of how the channel is divided
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- 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]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
Definitions
- the present disclosure relates to the field of communication, and more particularly, to a communication method and a communication device in wireless communication.
- the current research scope of Wi-Fi technology is: 320MHz bandwidth transmission, aggregation and coordination of multiple frequency bands, etc. It is expected to increase the rate and throughput by at least four times compared with the existing standards.
- the main application scenarios are: Video transmission, AR (Augmented Reality, augmented reality), VR (Virtual Reality, virtual reality), etc.
- the aggregation and coordination of multiple frequency bands refers to the simultaneous communication between devices in the 2.4GHz, 5.8GHz and 6-7GHz frequency bands.
- a new MAC Media Access Control, media access control
- control control
- the current multi-band aggregation and system technology will support a maximum bandwidth of 320MHz (160MHz+160MHz), and may also support 240MHz (160MHz+80MHz) and other bandwidths.
- Quadrature Amplitude Modulation QAM: Quadrature Amplitude Modulation
- 64QAM Quadrature Amplitude Modulation
- 256QAM Quadrature Amplitude Modulation
- 1k QAM 1k QAM
- 4k QAM modulation methods are expected to be used.
- 4k QAM there is no application definition for 4k QAM in existing standards.
- the communication method may include: determining a first message frame, wherein the first message frame includes first information indicating that the 4096- QAM support capability; sending the first message frame.
- the communication method may include: receiving a first message frame, wherein the first message frame includes first information indicating that the 4096- The support capability of QAM; the communication operation is performed based on the first message frame.
- the communication apparatus may include: a processing module configured to: determine a first message frame, wherein the first message frame includes first information indicating a single resource unit for a first size and/or The composite resource unit is applied to the support capability of 4096-QAM; the transceiver module is configured to: send the first message frame.
- the communication apparatus may include a transceiver module configured to receive a first message frame, wherein the first message frame includes first information indicating a single resource unit for a first size and/or The composite resource unit is applied to the support capability of 4096-QAM; the processing module is configured to: control the transceiver module to perform a communication operation based on the first message frame.
- the electronic device includes a memory, a processor, and a computer program stored on the memory and executable on the processor.
- the processor executes the computer program to implement the method as described above.
- a computer-readable storage medium is provided according to example embodiments of the present disclosure.
- a computer program is stored on the computer-readable storage medium.
- the computer program when executed by a processor, implements the method as described above.
- FIG. 1 is an exemplary diagram illustrating a wireless communication scenario.
- FIG. 2 is a flowchart illustrating a communication method according to an example embodiment of the present disclosure.
- FIG. 3 is a flowchart illustrating another communication method according to an example embodiment of the present disclosure.
- FIG. 4 is a block diagram illustrating a communication apparatus according to an example embodiment of the present disclosure.
- FIG. 1 is an exemplary diagram illustrating a wireless communication scenario.
- a basic service set can be composed of multiple stations (STA: station).
- the STA may include an Access Point (AP) device and one or more non-AP (non-AP) devices that communicate with the AP device.
- a basic service set can be connected to the distribution system DS (Distribution System) through its AP device, and then connected to another basic service set to form an extended service set ESS (Extended Service Set).
- DS Distribution System
- ESS Extended Service Set
- the AP device is a wireless switch used in a wireless network and is also the core of the wireless network.
- AP equipment can be used as a wireless base station, mainly used as a bridge for connecting wireless networks and wired networks. Using this AP device, you can integrate wired and wireless networks.
- an AP device may include software applications and/or circuitry to enable other types of nodes in a wireless network to communicate with the outside and inside of the wireless network through the AP.
- the AP device may be a terminal device or a network device equipped with a Wi-Fi (Wireless Fidelity, wireless fidelity) chip.
- Wi-Fi Wireless Fidelity, wireless fidelity
- non-AP devices may include, but are not limited to: cellular phones, smart phones, wearable devices, computers, personal digital assistants (PDAs), personal communication system (PCS) devices, personal information managers (PIMs), personal navigation Devices (PND), Global Positioning Systems, Multimedia Devices, Internet of Things (IoT) devices, etc.
- PDAs personal digital assistants
- PCS personal communication system
- PIMs personal information managers
- PND personal navigation Devices
- IoT Internet of Things
- AP devices and non-AP devices may be of any number and/or of any type.
- the AP device and the non-AP device may be a multi-link device (MLD: multi-link device), for example, may be represented as AP MLD and non-AP STA MLD, respectively. That is, that is, the AP MLD and the non-AP STA MLD support the function of being able to transmit and/or receive simultaneously under multiple connections at the same time. For example, there may be multiple connections at different frequencies between the AP MLD and the non-AP STA MLD, for example, connections at 2.4GHz, 5GHz, 6GHz, etc., or several same or different at 2.4GHz, 5GHz, 6GHz bandwidth connection. Furthermore, multiple channels can exist under each connection.
- the communication method and communication device provided according to the embodiments of the present disclosure can be applied to the communication between the AP MLD and the non-AP STA MLD, that is, can be applied to a multi-connection communication environment.
- Orthogonal Frequency Division Multiple Access defines a single resource unit (hereinafter referred to as "RU") and a composite resource unit (hereinafter referred to as "MRU”) ).
- the supported RUs can be: 26-tone (subcarrier), 52-tone, 106-tone, 242-tone, 484-tone, 996-tone and 2*996 -tone, in addition, considering the differences in hardware, the ability of 1k QAM to be applied to RUs smaller than 242-tone (eg, 26-tone, 52-tone, 106-tone) is identified.
- a maximum of 4k QAM can be supported and either a single resource unit (RU) or a composite resource unit (MRU) can be applied, wherein RUs smaller than 242-tone can be: 26-tone, 52-tone tone, 106-tone; and MRUs smaller than 242-tone can be: 52+26-tone, 106+26-tone.
- RU&MRU composite resource unit
- the embodiments of the present disclosure focus on RU&MRU smaller than 242-tone and examples of 1k QAM and 4k QAM, but the present disclosure is not limited thereto, for example, the communication provided according to the embodiments of the present disclosure
- the method and communication apparatus can also be applied to other types of resource units (eg, 242-tone, 484-tone, 484+242-tone, 996-tone, 996+484-tone, 996+484+242-tone, 2* 996-tone, 2*996+484-tone, 3*996-tone, 3*996+484-tone, 4*996-tone, etc.) and other types of QAM.
- resource units eg, 242-tone, 484-tone, 484+242-tone, 996-tone, 996+484-tone, 996+484+242-tone, 2* 996-tone, 2*996+484-tone, 3*996-tone, 3*996+484-tone, 4*996-
- FIG. 2 is a flowchart illustrating a communication method according to an example embodiment of the present disclosure.
- the communication method shown in FIG. 2 may be a method performed on the sender side, and correspondingly, another communication method described later with reference to FIG. 3 may be a method performed on the receiver side.
- the methods shown in FIG. 2 and FIG. 3 provided according to the embodiment can be applied to multi-connection communication, that is, the sender can be one of the above-mentioned AP MLD and non-AP STA MLD, and correspondingly, the receiver can is the other of AP MLD and non-AP STA MLD.
- the present disclosure is not limited thereto, and the communication methods described in FIGS. 2 and 3 may also be used for other communication than multi-connection communication.
- a first message frame may be determined.
- the first message frame may be determined under any of a plurality of connections between the sender and the receiver.
- the sender may generate the first message frame according to at least one of the following conditions: network conditions, load conditions, and hardware of the sending/receiving device Capability, service type, and related protocol provisions; there is no specific limitation on this embodiment of the present disclosure.
- the sender may also acquire the first message frame from the outside, which is not specifically limited in this embodiment of the present disclosure.
- the first message frame may be a beacon (beacon) frame, a probe response (probe response) frame, an association response (association response) frame or a re-association response (Re-association response) frame;
- the first message frame may be a probe request (probe request) frame, an association request (association request) frame, or a re-association request (Re-association request) frame.
- the first message frame may include first information, where the first information may indicate a support capability applied to a first type of QAM for a single resource unit and/or a composite resource unit of a first size.
- the first type of QAM may be 4096-QAM, that is, the first information may indicate the support capability applied to 4096-QAM for single resource units and/or composite resource units of the first size.
- the single resource unit and/or the composite resource unit of the first size may be a resource unit smaller than 242-tone.
- a composite resource unit may consist of a single type of resource unit.
- a composite resource unit may consist of two specific single-type resource units and is bandwidth related.
- the composite resource unit may include at least: a first single-type resource unit and a second single-type resource unit, wherein the first single-type resource unit and the second single-type resource unit have different numbers of subcarriers (tone ). That is, a composite resource unit may consist of at least two different single-type resource units.
- a single resource unit (RU) smaller than 242-tone may be 26-tone, 52-tone, 106-tone, and a composite resource unit (MRU) smaller than 242-tone may be 52+26-tone , 106+26-tone.
- RUs and MRUs described herein are illustrative and not restrictive, and that other possible RUs and MRUs are also included within the scope of the present disclosure.
- the first message frame may include second information, wherein the second information may indicate support for a single resource unit and/or composite resource unit of the first size applied to the second type of QAM ability.
- the second type of QAM may be 1024-QAM, that is, the second information may indicate the support capability applied to 1024-QAM for single resource units and/or composite resource units of the first size.
- a single resource unit (RU) smaller than 242-tone may be 26-tone, 52-tone, 106-tone
- a composite resource unit (MRU) smaller than 242-tone may be 52+26 -tone, 106+26-tone.
- the first message frame may carry both, or one of the first and second information .
- the second information may be set to support a single resource unit of the first size Resource units and/or composite resource units apply to 1024-QAM. In this case, it may be considered to omit the second information (for 1024-QAM), or not.
- the first information (for 4096-QAM) and/or the second information (for 1024-QAM) may be included in the very high throughput (EHT) physical layer (PHY) of the first message frame Capability information (eg, EHT PHY Capability Information Element).
- EHT very high throughput
- PHY physical layer
- the first message frame may be a beacon frame, a probe response frame, an association response frame or a reassociation response frame.
- the EHT PHY capability information may be encapsulated in the above frame to be transmitted by the AP MLD.
- the order number of the EHT PHY capability information in the frame body of the beacon frame may be 90, however, this is only exemplary , the present disclosure is not limited thereto.
- the first message frame may be a probe request frame, an association request frame, or a reassociation request frame.
- the EHT PHY capability information may be encapsulated in the above frame to be transmitted by the non-AP STA MLD.
- the first information and/or the second information may be identified in an EHT PHY capability information element.
- EHT PHY capability information element EHT PHY capability information element
- the first information and the second information will be described in detail with reference to Tables 1 to 4 later.
- Embodiments of the first information are first described in detail with reference to Tables 1 and 2.
- the first information may include a first identification and a second identification.
- the first identifier may indicate the support capability applied to 4096-QAM reception for single resource units and composite resource units of the first size; the second identifier may indicate that the single resource unit and composite resource units of the first size are applied to 4096-QAM transmission support capability.
- the first information may be as shown in Table 1 below.
- Rx 4096-QAM ⁇ 242-tone support may correspond to a first identifier to indicate a support capability applied to 4096-QAM reception for a single resource unit and/or composite resource unit of a first size.
- Rx 4096-QAM ⁇ 242-tone support may indicate a single resource unit smaller than 242-tone and/or a composite resource unit smaller than 242-tone applied to the support capability of 4096-QAM reception.
- the first flag (Rx 4096-QAM ⁇ 242-tone support) is set to a first value (eg, "1"), it may indicate that the sender supports a single resource unit that will be less than 242-tone and/or Composite resource elements are used for 4096-QAM reception.
- the first flag (Rx 4096-QAM ⁇ 242-tone support) is set to a second value (eg, "0"), it may indicate that the sender does not support single resource units and/or smaller than 242-tone Or composite resource units for 4096-QAM reception.
- Tx 4096-QAM ⁇ 242-tone support may correspond to the second flag to indicate the support capability applied to 4096-QAM transmission for single resource units and composite resource units of the first size.
- Tx 4096-QAM ⁇ 242-tone support may indicate the support capability of single resource unit less than 242-tone and composite resource unit less than 242-tone applied to 4096-QAM transmission.
- the second flag Tx 4096-QAM ⁇ 242-tone support
- the sender may be instructed to support single resource units and composite resources that will be smaller than 242-tone Unit applies to 4096-QAM transmission.
- the second flag (Tx 4096-QAM ⁇ 242-tone support) is set to a second value (eg, "0"), it may indicate that the sender does not support single-resource units smaller than 242-tone and composite Resource units are used for 4096-QAM transmission.
- the sender is an access point (eg, AP MLD)
- the second identity (Tx 4096-QAM ⁇ 242-tone support) can be reserved, because the AP can be defaulted MLD supports full functionality, ie, supports all functions.
- the RU and the MRU can be identified together with one bit, that is, the first identification and the second identification in Table 1 can each have one bit.
- Rx 4096-QAM ⁇ 242-tone support can be set to "0" to identify sub-carriers smaller than 242-tone are not supported (eg, 26-tone, 52-tone, 52+26-tone, 106-tone tone, 106+26-tone) is used for 4096-QAM (4k QAM) reception, and when it is set to "1", it indicates support;
- Tx 4096-QAM ⁇ 242-tone support can be set to "0" to indicate that Subcarriers smaller than 242-tone (eg, 26-tone, 52-tone, 52+26-tone, 106-tone, 106+26-tone) are not supported for 4096-QAM (4k QAM) transmission (for AP MLD side, Tx 4096-QAM ⁇ 242-tone support is reserved), and when set to "1", indicates support.
- only the first flag eg, Rx 4096-QAM ⁇ 242-tone support with one bit
- a second identifier for example, Tx 4096-QAM ⁇ 242-tone support with one bit
- Tx 4096-QAM ⁇ 242-tone support with one bit can be used to simultaneously indicate less than 242 - Support capability of single resource unit of tone and composite resource unit of less than 242-tone.
- both the first identifier and the second identifier may have multiple bits to indicate which resource units among resource units smaller than 242-tone are selectively supported for 4096-QAM.
- a plurality of bits may correspond to a single resource unit smaller than 242-tone and a composite resource unit smaller than 242-tone, respectively.
- the first identification (Rx 4096-QAM ⁇ 242-tone support) can have three bits, when the first identification is set to 001, it can indicate that 26-tone is used for 4096-tone QAM reception; when the first flag is set to 011, it can be instructed to use 52-tone for 4096-QAM reception; when the first flag is set to 010, it can be instructed to use 106-tone for 4096-QAM reception; When the flag is set to 100, it can be instructed to use 26-52-tone for 4096-QAM reception; when the first flag is set to 101, it can be instructed to use 106-52-tone for 4096-QAM reception.
- the above setting methods are only exemplary, and the present disclosure is not limited thereto.
- the first identifier can be set to 111, it can indicate that all single resource units and composite resource units smaller than 242-tone can be applied to 4096-QAM reception.
- the above-mentioned setting example of the first identifier can also be applied to the second identifier, and for the sake of brevity, repeated descriptions are omitted here.
- the first information may be included in the EHT PHY capability information, therefore, the first identification (Rx 4096-QAM ⁇ 242-tone support) and the second identification (Tx 4096-QAM shown in Table 1) ⁇ 242-tone support) may be an identification bit in the EHT PHY capability information, and the EHT PHY capability information may be encapsulated in the first message frame as described above.
- the first information may include a third identification and a fourth identification.
- both the third identification and the fourth identification may include multiple bits (eg, at least two bits).
- at least one bit in the third identifier may indicate a support capability applied to 4096-QAM reception for a single resource unit of the first size
- at least one bit in the third identifier may indicate a composite resource unit of the first size
- at least one bit in the fourth identifier may indicate the support capability applied to 4096-QAM transmission for a single resource unit of the first size
- at least one bit in the fourth identifier may indicate The support capability applied to 4096-QAM transmission for composite resource elements of the first size.
- the first information may be shown in Table 2 below.
- the third identification of the first information may include Rx 4096-QAM ⁇ 242-tone RU support and Rx 4096-QAM ⁇ 242-tone MRU support.
- the third flag may be defined as having two bits, and these two bits may correspond to Rx 4096-QAM ⁇ 242-tone RU support and Rx 4096-QAM ⁇ 242-tone of Table 2, respectively MRU support.
- the embodiment of the present disclosure is not limited thereto, and the third identifier may have more bits.
- Rx 4096-QAM ⁇ 242-tone RU support in the third identification may have multiple bits to indicate which resource units among single resource units smaller than 242-tone are selectively supported and applied to 4096-QAM take over.
- Rx 4096-QAM ⁇ 242-tone MRU support in the third identification may have multiple bits to indicate which resource unit among composite resource units smaller than 242-tone is selectively supported and applied to 4096-QAM take over.
- At least one bit of the third identifier may indicate a single resource unit smaller than 242-tone (eg, 26-tone, 52-tone, 106-tone tone) applied to the support capability of 4096-QAM reception.
- Rx 4096-QAM ⁇ 242-tone RU support is set to a third value (eg, 1), support may be indicated; and if it is set to a fourth value (eg, 0), no support may be indicated .
- At least one bit of the third identifier may indicate a composite resource unit smaller than 242-tone (eg, 52+26-tone, 106+26-tone tone) applied to the support capability of 4096-QAM reception.
- Rx 4096-QAM ⁇ 242-tone MRU support is set to a third value (eg, 1), support may be indicated; and if it is set to a fourth value (eg, 0), no support may be indicated .
- the third identification may have multiple bits to identify the RU and MRU separately.
- the fourth identification of the first information may include Tx 4096-QAM ⁇ 242-tone RU support and Tx 4096-QAM ⁇ 242-tone MRU support.
- the fourth flag may be defined as having two bits, and these two bits may correspond to Tx 4096-QAM ⁇ 242-tone RU support and Tx 4096-QAM ⁇ 242-tone of Table 2, respectively MRU support.
- the embodiment of the present disclosure is not limited thereto, and the fourth identifier may have more bits.
- Tx 4096-QAM ⁇ 242-tone RU support in the fourth identification may have multiple bits to indicate which resource unit among single resource units smaller than 242-tone is selectively supported for 4096-QAM send.
- Tx 4096-QAM ⁇ 242-tone MRU support in the fourth identification may have multiple bits to indicate which resource unit among composite resource units smaller than 242-tone is selectively supported and applied to 4096-QAM send.
- At least one bit of the fourth identifier may indicate a single resource unit smaller than 242-tone (eg, 26-tone, 52-tone, 106-tone tone) applied to the support capability of 4096-QAM transmission.
- Tx 4096-QAM ⁇ 242-tone RU support is set to a third value (eg, 1), support may be indicated; while being set to a fourth value (eg, 0), no support may be indicated .
- At least one bit of the fourth identifier may indicate a composite resource unit smaller than 242-tone (eg, 52+26-tone, 106+26-tone tone) applied to the support capability of 4096-QAM transmission.
- Tx 4096-QAM ⁇ 242-tone MRU support is set to a third value (eg, 1), support may be indicated; and if it is set to a fourth value (eg, 0), no support may be indicated .
- the fourth identification may have multiple bits to identify the RU and the MRU separately.
- the fourth identification (Tx 4096-QAM ⁇ 242-tone RU support and Tx 4096-QAM ⁇ 242-tone MRU support) can be reserved.
- two bits can be used to identify the RU and the MRU respectively. Specifically, it includes: sub-domain settings of Rx 4096-QAM ⁇ 242-tone RU support and sub-domain settings of Rx 4096-QAM ⁇ 242-tone MRU support; sub-domain settings of Tx 4096-QAM ⁇ 242-tone RU support and Tx 4096 -QAM ⁇ 242-tone MRU support subfield setting. It will be understood that the example that each of the third identification and the fourth identification has two bits is for illustration only, and not for limitation of the present disclosure.
- the first information may be included in the EHT PHY capability information, therefore, the third identifiers shown in Table 2 (Rx 4096-QAM ⁇ 242-tone RU support and Rx 4096-QAM ⁇ 242-tone MRU support) and the fourth flag (Tx 4096-QAM ⁇ 242-tone RU support and Tx 4096-QAM ⁇ 242-tone MRU support) can be the flag bits in the EHT PHY capability information, and the EHT PHY capability information can be encapsulated in in the first message frame as described above.
- the second information may include a fifth identification and a sixth identification.
- the fifth flag may indicate the support capability applied to 1024-QAM reception for single resource unit and composite resource unit of the first size; the sixth flag may indicate that the single resource unit and composite resource unit of the first size are applied to 1024-QAM transmission support capability.
- the second information may be shown in Table 3 below.
- Rx 1024-QAM ⁇ 242-tone support may correspond to the fifth flag to indicate the support capability applied to 1024-QAM reception for single resource units and composite resource units smaller than 242-tone.
- Tx 1024-QAM ⁇ 242-tone support may correspond to the sixth flag to indicate the support capability applied to 1024-QAM transmission for single resource elements and composite resource elements smaller than 242-tone.
- the value setting methods of the fifth identifier and the sixth identifier shown in Table 3 can be respectively similar to the value setting methods of the first identifier and the second identifier shown in Table 1, and repetitions are omitted here for brevity. description of.
- the sender is an access point (for example, AP MLD)
- the sixth identification Tx 1024-QAM ⁇ 242-tone support
- the AP MLD supports full-tone support by default. Functionality, that is, all functions are supported.
- the fifth flag eg., Rx 1024-QAM ⁇ 242-tone support with one bit
- the sixth identifier for example, Tx 1024-QAM ⁇ 242-tone support with one bit
- the fifth and sixth identifications have one bit is for illustration only, and not for limitation of the present disclosure.
- the fifth flag and the sixth flag may each have multiple bits to indicate which resource units among resource units smaller than 242-tone are selectively supported for 1024-QAM, except that the types of QAM are different , the above-described embodiment with reference to Table 1 about the first identifier and the second identifier having multiple bits can be similarly applied to Table 3, and repeated descriptions are omitted here for brevity.
- the second information may be included in the EHT PHY capability information, therefore, the fifth identification (Rx 1024-QAM ⁇ 242-tone support) and the sixth identification (Tx 1024-QAM) shown in Table 3 ⁇ 242-tone support) may be an identification bit in the EHT PHY capability information, and the EHT PHY capability information may be encapsulated in the first message frame as described above.
- the second information may include a seventh identification and an eighth identification.
- both the seventh identification and the eighth identification may include multiple bits (eg, at least two bits).
- at least one bit in the seventh flag may indicate a support capability applied to 1024-QAM reception for a single resource unit of the first size
- at least one bit in the seventh flag may indicate a composite resource unit of the first size
- at least one bit in the eighth flag may indicate the support capability applied to 1024-QAM transmission for a single resource unit of the first size
- at least one bit in the eighth flag may indicate The support capability applied to 1024-QAM transmission for composite resource elements of the first size.
- the second information may be shown in Table 4 below.
- Rx 1024-QAM ⁇ 242-tone RU support and Rx 1024-QAM ⁇ 242-tone MRU support may correspond to the seventh identifier of the second information, that is, for 1024-QAM reception, the seventh identifier may There are multiple bits to identify RU and MRU separately.
- Tx 1024-QAM ⁇ 242-tone RU support and Tx 1024-QAM ⁇ 242-tone MRU support may correspond to the eighth identifier of the second information, that is, for 1024-QAM transmission, the eighth identifier There may be multiple bits to identify RU and MRU separately.
- both the seventh flag and the eighth flag may be defined as having two bits, that is, each subfield shown in Table 4 may have one bit.
- the embodiment of the present disclosure is not limited thereto, and both the seventh identification and the eighth identification may have more bits. Except for the different types of QAMs, the values of the seventh and eighth identifiers shown in Table 4 can be set similarly to the values of the third and fourth identifiers shown in Table 2, which are omitted here for brevity. Duplicate description. According to an embodiment of the present disclosure, in the case where the sender is an access point (eg, AP MLD), the eighth identification (Tx 1024-QAM ⁇ 242-tone RU support and Tx 1024-QAM ⁇ 242-tone MRU support) can be reserved.
- the eighth identification Tx 1024-QAM ⁇ 242-tone RU support and Tx 1024-QAM ⁇ 242-tone MRU support
- two bits can be used to identify the RU and the MRU respectively. Specifically, it includes: subdomain settings of Rx 1024-QAM ⁇ 242-tone RU support and subdomain settings of Rx 1024-QAM ⁇ 242-tone MRU support; subdomain settings of Tx 1024-QAM ⁇ 242-tone RU support and Tx 1024 -QAM ⁇ 242-tone MRU support subfield setting. It will be understood that the examples in which the seventh and eighth identifiers each have two bits shown in Table 4 are only for illustration, not for limitation of the present disclosure.
- Rx 1024-QAM ⁇ 242-tone RU support in the seventh flag may have multiple bits to indicate which resource unit among single resource units smaller than 242-tone is selectively supported for 1024-QAM take over.
- Rx 1024-QAM ⁇ 242-tone MRU support in the seventh flag may have multiple bits to indicate which resource unit among composite resource units smaller than 242-tone is selectively supported for 1024-QAM take over.
- both Tx 1024-QAM ⁇ 242-tone RU support and Tx 1024-QAM ⁇ 242-tone MRU support in the eighth identification may have multiple bits.
- the second information may be included in the EHT PHY capability information, therefore, the seventh identifier shown in Table 4 (Rx 1024-QAM ⁇ 242-tone RU support and Rx 1024-QAM ⁇ 242-tone MRU support) and the eighth flag (Tx 1024-QAM ⁇ 242-tone RU support and Tx 1024-QAM ⁇ 242-tone MRU support) can be the flag bits in the EHT PHY capability information, and the EHT PHY capability information can be encapsulated in in the first message frame as described above.
- the high efficiency (HE) PHY capability information element of the first message frame can be reused to indicate Rx 1024-QAM ⁇ 242 in the seventh identifier -tone RU support and 1024-QAM ⁇ 242-tone RU support in the eighth sign.
- multiple bits of the seventh identifier may be respectively included in different capability information elements (for example, the bits corresponding to Rx 1024-QAM ⁇ 242-tone MRU support of the seventh identifier may be included in the EHT In the PHY capability information, the bits corresponding to the Rx 1024-QAM ⁇ 242-tone RU support of the seventh identification can be included in the HE PHY capability information.
- the multiple bits of the eighth identification can be respectively Included in different capability information elements, repeated descriptions are omitted here for brevity.
- the first information is set to support single resource unit and/or composite resource unit of the first size applied to 4096-QAM according to, for example, Table 1 and Table 2
- the second information shown in Table 3 and Table 4 Single resource units and/or composite resource units that may be set to support the first size are applied to 1024-QAM. That is to say, for 4096-QAM reception and transmission, the flag supporting 4096-QAM may also indirectly flag support for 1024-QAM.
- the first information of the first message frame may indicate, in addition to the support capability applied to 4096-QAM for a single resource unit and/or a composite resource unit of the first size, a single resource unit of the first size at the same time. Resource elements and/or composite resource elements apply to the support capabilities of 1024-QAM.
- the first information shown in Table 1 may be changed to Table 5, or the first information may include both the letter of Table 1 and the information of Table 5.
- the information shown in Table 5 may be included in the EHT PHY Capability information element of the first message frame.
- the identifier corresponding to Rx 4096-QAM&1024-QAM ⁇ 242-tone support may indicate the support capability of resource units (including RU and MRU) smaller than 242-tone for 4096-QAM and 1024-QAM reception. For example, if the flag is set to 1, it indicates that all resource units smaller than 242-tone (including RU and MRU) are supported for 4096-QAM and 1024-QAM reception; if the flag is set to 0, it indicates that it is not supported.
- the identifier corresponding to Tx 4096-QAM&1024-QAM ⁇ 242-tone support can indicate the support capability of resource units (including RU and MRU) smaller than 242-tone for 4096-QAM and 1024-QAM transmission. For example, if the flag is set to 1, it indicates that all resource units smaller than 242-tone (including RU and MRU) are supported for 4096-QAM and 1024-QAM transmission; if the flag is set to 0, it indicates that it is not supported.
- each element in Tables 1 to 4 of the present disclosure exists independently, and these elements are exemplarily listed in the same table, but it does not mean that all elements in the table must be based on the table coexist as shown in .
- the value of each element is not dependent on the value of any other element in Tables 1 to 4. Therefore, those skilled in the art can understand that the value of each element in Table 1 to Table 4 of the present disclosure is an independent embodiment.
- a first message frame may be sent.
- the connection used for sending the first message frame and the connection used for determining the first message frame in step 210 may be the same or different, which is not specifically limited in the present disclosure.
- the sender may notify the receiver of its capability information by sending a first message frame carrying the first information and/or the second information, so that the sender and the receiver can communicate according to corresponding capabilities.
- FIG. 3 is a flowchart illustrating another communication method according to an embodiment of the present disclosure.
- the communication method described in FIG. 3 may be a method performed at the receiver, and corresponding to FIG. 2 , the receiver may be one of the above-mentioned non-AP STA MLD and AP MLD.
- a first message frame may be received.
- the receiver may receive the first message frame through any one of the multiple connections.
- the first message frame may include first information, and the first information may indicate a support capability applied to 4096-QAM for a single resource unit and/or a composite resource unit of a first size.
- the single resource unit and/or the composite resource unit of the first size is a resource unit smaller than 242-tone.
- the first information may include a first identification and a second identification.
- the first identification may indicate the support capability applied to 4096-QAM reception for single and composite resource elements of the first size
- the second identification may indicate that the single and composite resource elements of the first size are applied to 4096-QAM transmission support capability.
- the first information may include a third identification and a fourth identification. Both the third identification and the fourth identification may have multiple bits. For example, at least one bit in the third identifier may indicate a support capability applied to 4096-QAM reception for a single resource unit of the first size, and at least one bit in the third identifier may indicate a composite resource unit of the first size Applied to the support capability of 4096-QAM reception, at least one bit in the fourth identifier may indicate the support capability applied to 4096-QAM transmission for a single resource unit of the first size, and at least one bit in the fourth identifier may indicate The support capability applied to 4096-QAM transmission for composite resource elements of the first size.
- This embodiment may be similar to the embodiment described above with reference to Table 2, and repeated descriptions are omitted here for brevity.
- the first message frame may further include second information.
- the second information may indicate support capabilities applied to 1024-QAM for single resource units and/or composite resource units of the first size.
- the second information includes a fifth identification and a sixth identification.
- the fifth flag may indicate the support capability applied to 1024-QAM reception for single resource unit and composite resource unit of the first size
- the sixth flag may indicate that the single resource unit and composite resource unit of the first size are applied to 1024-QAM transmission support capability.
- the second information may include a seventh identification and an eighth identification. Both the seventh identification and the eighth identification may have multiple bits. For example, at least one bit in the seventh flag may indicate a support capability applied to 1024-QAM reception for a single resource unit of the first size, and at least one bit in the seventh flag may indicate a composite resource unit of the first size Applied to the support capability of 1024-QAM reception, at least one bit in the eighth flag may indicate the support capability applied to 1024-QAM transmission for a single resource unit of the first size, and at least one bit in the eighth flag may indicate The support capability applied to 1024-QAM transmission for composite resource elements of the first size.
- This embodiment may be similar to the embodiment described above with reference to Table 4, and repeated descriptions are omitted here for brevity.
- the second information is set to support a single resource of the first size Cells and/or composite resource cells are applied to 1024-QAM.
- the embodiments described above with reference to Table 5 may be applied to this, and repeated descriptions are omitted here for brevity.
- the receiver can learn the support capabilities of 4096-QAM and 1024-QAM at the same time by parsing the first information.
- the first information and/or the second information are included in the very high throughput physical layer capability information of the first message frame.
- a communication operation may be performed based on the first message frame.
- the receiver may parse the first information and/or the second information carried in the first message frame to obtain capability information of the sender, so as to select appropriate communication resources, modulation methods and/or communication schemes to perform communication.
- the communication method described with reference to FIG. 2 and FIG. 3 can identify the support capability of single resource unit and composite resource unit applied to 4096-QAM and 1024-QAM, so as to provide spectrum utilization.
- FIG. 4 is a block diagram illustrating a communication apparatus according to an example embodiment of the present disclosure.
- the communication apparatus shown in FIG. 4 can be applied to a multi-connection device, for example, an AP MLD or a non-AP STA MLD.
- a multi-connection device for example, an AP MLD or a non-AP STA MLD.
- this is only exemplary, and the present disclosure is not limited thereto.
- the communication apparatus 400 may include a processing module 410 and a transceiver module 420 .
- the communication apparatus shown in FIG. 4 may be applied to the sender to perform the method shown in FIG. 2 .
- the communication apparatus shown in FIG. 4 may be applied to the receiver to perform the method shown in FIG. 3 .
- the communication apparatus 400 shown in FIG. 4 may be applied to the sender.
- the processing module 410 may be configured to: determine a first message frame, wherein the first message frame may include first information that may indicate a single resource unit and/or a composite resource unit for the first size Applied to the support capability of 4096-QAM; the transceiver module 420 may be configured to: send the first message frame.
- the first message frame may further include second information, and the second information may indicate a support capability applied to 1024-QAM for a single resource unit and/or a composite resource unit of the first size. That is, the communication apparatus 400 may perform the communication method described with reference to FIG.
- first information and the second information may be similar to the embodiments described above with reference to Table 1 and Table 4, and further, the description with reference to Table 5
- the embodiment can also be applied to the embodiment of FIG. 4 , and repeated descriptions are omitted here for brevity.
- the communication apparatus 400 shown in FIG. 4 is applied to the receiving side.
- the transceiving module 420 may be configured to receive a first message frame, wherein the first message frame may include first information that may indicate that the application is applied to a single resource unit and/or a composite resource unit of the first size Based on the support capability of 4096-QAM; the processing module 410 may be configured to perform a communication operation based on the first message frame, for example, the processing module 410 may control the transceiver module 420 to perform a communication operation based on the first message frame.
- the processing module 410 can parse the first information and/or the second information carried in the first message frame to obtain the capability information of the sender, so as to select an appropriate communication resource, modulation mode and/or communication scheme to perform communication.
- the first message frame may further include second information, and the second information may indicate a support capability applied to 1024-QAM for a single resource unit and/or a composite resource unit of the first size.
- the communication device 400 may perform the communication method described with reference to FIG. 3 , and the first information and the second information may be similar to the embodiments described above with reference to Table 1 and Table 4, and further, described with reference to Table 5
- the embodiment of FIG. 4 can also be applied to the embodiment of FIG. 4 , and repeated descriptions are omitted here for brevity.
- the communication apparatus 400 shown in FIG. 4 is only exemplary, and embodiments of the present disclosure are not limited thereto, for example, the communication apparatus 400 may further include other modules, such as a memory module and the like. Furthermore, the various modules in the multi-connection communication device 400 may be combined into more complex modules, or may be divided into more separate modules.
- the communication apparatus 400 can identify the support capability of the single resource unit and the composite resource unit applied to 4096-QAM and 1024-QAM, so as to provide spectrum utilization.
- the embodiment of the present disclosure further provides an electronic device, the electronic device includes a processor and a memory; wherein, the memory stores machine-readable instructions (or may referred to as a "computer program"); a processor for executing machine-readable instructions to implement the methods described with reference to FIGS. 2 and 3 .
- the electronic device includes a processor and a memory; wherein, the memory stores machine-readable instructions (or may referred to as a "computer program"); a processor for executing machine-readable instructions to implement the methods described with reference to FIGS. 2 and 3 .
- Embodiments of the present disclosure also provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the method described with reference to FIG. 2 and FIG. 3 is implemented.
- a processor may be used to implement or execute various exemplary logical blocks, modules and circuits described in connection with the present disclosure, for example, a CPU (Central Processing Unit, central processing unit), general processing device, DSP (Digital Signal Processor, data signal processor), ASIC (Application Specific Integrated Circuit, application-specific integrated circuit), FPGA (Field Programmable Gate Array, Field Programmable Gate Array) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof.
- a processor may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, and the like.
- the memory may be, for example, ROM (Read Only Memory), RAM (Random Access Memory), EEPROM (Electrically Erasable Programmable Read Only Memory) Read memory), CD-ROM (Compact Disc Read Only Memory, CD-ROM) or other optical disc storage, optical disc storage (including compact disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.), magnetic disk storage media or other magnetic A storage device, or any other medium that can be used to carry or store program code in the form of instructions or data structures and that can be accessed by a computer, without limitation.
- ROM Read Only Memory
- RAM Random Access Memory
- EEPROM Electrically Erasable Programmable Read Only Memory
- CD-ROM Compact Disc Read Only Memory
- CD-ROM Compact Disc Read Only Memory
- optical disc storage including compact disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.
- magnetic disk storage media or other magnetic A storage device, or any other medium that can be used to carry or store program code in the form of instructions or data structures and that can
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Abstract
Description
Rx 4096-QAM<242-tone support | Tx 4096-QAM<242-tone support |
Rx 1024-QAM<242-tone support | Tx 1024-QAM<242-tone support |
Claims (26)
- 一种通信方法,包括:确定第一消息帧,其中,所述第一消息帧包括第一信息,所述第一信息指示对于第一大小的单资源单元和/或复合资源单元应用于4096-QAM的支持能力;发送所述第一消息帧。
- 根据权利要求1所述的通信方法,其中,所述第一大小的单资源单元和/或复合资源单元为小于242-tone的资源单元。
- 根据权利要求2所述的通信方法,其中,所述第一信息包括第一标识和第二标识,其中,所述第一标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述4096-QAM接收的支持能力,其中,所述第二标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述4096-QAM发送的支持能力。
- 根据权利要求2所述的通信方法,其中,所述第一信息包括第三标识和第四标识,其中,所述第三标识中的至少一个比特位指示对于所述第一大小的单资源单元应用于所述4096-QAM接收的支持能力,其中,所述第三标识中的至少一个比特位指示对于所述第一大小的复合资源单元应用于所述4096-QAM接收的支持能力,其中,所述第四标识中的至少一个比特位指示对于所述第一大小的单资源单元应用于所述4096-QAM发送的支持能力,其中,所述第四标识中的至少一个比特位指示对于所述第一大小的复合资源单元应用于所述4096-QAM发送的支持能力。
- 根据权利要求1至4中的任一项所述的通信方法,其中,所述第一消息帧还包括第二信息,其中,所述第二信息指示对于所述第一大小的单资源单元和/或复合资源单元应用于1024-QAM的支持能力。
- 根据权利要求5所述的通信方法,其中,所述第二信息包括第五标识和第六标识,其中,所述第五标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述1024-QAM接收的支持能力,其中,所述第六标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述1024-QAM发送的支持能力。
- 根据权利要求5所述的通信方法,其中,所述第二信息包括第七标识和第八标识,其中,所述第七标识中的至少一个比特位指示对于所述第一大小的单资源单元应用于所述1024-QAM接收的支持能力,其中,所述第七标识中的至少一个比特位指示对于所述第一大小的复合资源单元应用于所述1024-QAM接收的支持能力,其中,所述第八标识中的至少一个比特位指示对于所述第一大小的单资源单元应用于所述1024-QAM发送的支持能力,其中,所述第八标识中的至少一个比特位指示对于所述第一大小的复合资源单元应用于所述1024-QAM发送的支持能力。
- 根据权利要求5所述的通信方法,其中,在所述第一信息被设置为支持所述第一大小的单资源单元和/或复合资源单元应用于所述4096-QAM的情况下,所述第二信息被设置为支持所述第一大小的单资源单元和/或复合资源单元应用于所述1024-QAM。
- 根据权利要求2所述的通信方法,其中,所述第一消息帧中的所述第一信息还同时指示对于所述第一大小的单资源单元和/或复合资源单元应用于1024-QAM的支持能力。
- 根据权利要求9所述的通信方法,其中,所述第一信息包括第九标识和第十标识,其中,所述第九标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述4096-QAM和1024QAM接收的支持能力,其中,所述第十标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述4096-QAM和1024QAM发送的支持能力。
- 根据权利要求5所述的通信方法,其中,所述第一信息和/或所述第二信息包括在所述第一消息帧的极高吞吐量物理层能力信息元素中。
- 一种通信方法,包括:接收第一消息帧,其中,所述第一消息帧包括第一信息,所述第一信息指示对于第一大小的单资源单元和/或复合资源单元应用于4096-QAM的支持能力;基于所述第一消息帧执行通信操作。
- 根据权利要求12所述的通信方法,其中,所述第一大小的单资源单元和/或所述复合资源单元为小于242-tone的资源单元。
- 根据权利要求13所述的通信方法,其中,所述第一信息包括第一标识和第二标识,其中,所述第一标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述4096-QAM接收的支持能力,其中,所述第二标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述4096-QAM发送的支持能力。
- 根据权利要求13所述的通信方法,其中,所述第一信息包括第三标识和第四标识,其中,所述第三标识中的至少一个比特位指示对于所述第一大小的单资源单元应用于所述4096-QAM接收的支持能力,其中,所述第三标识中的至少一个比特位指示对于所述第一大小的复合资源单元应用于所述4096-QAM接收的支持能力,其中,所述第四标识中的至少一个比特位指示对于所述第一大小的单资源单元应用于所述4096-QAM发送的支持能力,其中,所述第四标识中的至少一个比特位指示对于所述第一大小的复合资源单元应用于所述4096-QAM发送的支持能力。
- 根据权利要求12至15中的任一项所述的通信方法,其中,所述第一消息帧还包括第二信息,其中,所述第二信息指示对于所述第一大小的单资源单元和/或复合资源单元应用于1024-QAM的支持能力。
- 根据权利要求16所述的通信方法,其中,所述第二信息包括第五标识和第六标识,其中,所述第五标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述1024-QAM接收的支持能力,其中,所述第六标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述1024-QAM发送的支持能力。
- 根据权利要求16所述的通信方法,其中,所述第二信息包括第七标识和第八标识,其中,所述第七标识中的至少一个比特位指示对于所述第一大小的单资源单元应用于所述1024-QAM接收的支持能力,其中,所述第七标识中的至少一个比特位指示对于所述第一大小的复 合资源单元应用于所述1024-QAM接收的支持能力,其中,所述第八标识中的至少一个比特位指示对于所述第一大小的单资源单元应用于所述1024-QAM发送的支持能力,其中,所述第八标识中的至少一个比特位指示对于所述第一大小的复合资源单元应用于所述1024-QAM发送的支持能力。
- 根据权利要求16所述的通信方法,其中,在所述第一信息被设置为支持所述第一大小的单资源单元和/或复合资源单元应用于所述4096-QAM的情况下,所述第二信息被设置为支持所述第一大小的单资源单元和/或复合资源单元应用于所述1024-QAM。
- 根据权利要求13所述的通信方法,其中,所述第一消息帧中的所述第一信息还同时指示对于所述第一大小的单资源单元和/或复合资源单元应用于1024-QAM的支持能力。
- 根据权利要求20所述的通信方法,其中,所述第一信息包括第九标识和第十标识,其中,所述第九标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述4096-QAM和1024QAM接收的支持能力,其中,所述第十标识指示对于所述第一大小的单资源单元和复合资源单元应用于所述4096-QAM和1024QAM发送的支持能力。
- 根据权利要求16所述的通信方法,其中,所述第一信息和/或所述第二信息包括在所述第一消息帧的极高吞吐量物理层能力信息元素中。
- 一种通信装置,包括:处理模块,被配置为:确定第一消息帧,其中,所述第一消息帧包括第一信息,所述第一信息指示对于第一大小的单资源单元和/或复合资源单元应用于4096-QAM的支持能力;收发模块,被配置为:发送所述第一消息帧。
- 一种通信装置,包括:收发模块,被配置为:接收第一消息帧,其中,所述第一消息帧包括第一信息,所述第一信息指示对于第一大小的单资源单元和/或复合资源单元应用于4096-QAM的支持能力;处理模块,被配置为:基于所述第一消息帧控制所述收发模块执行通信操作。
- 一种电子装置,包括存储器、处理器及存储在所述存储器上并在所述处理器上可运行的计算机程序,其中,所述处理器执行所述计算机程序时实现权利要求1至11中的任一项所述的方法或者权利要求12至22中的任一项所述的方法。
- 一种计算机可读存储介质,其中,所述计算机可读存储介质上存储有计算机程序,该计算机程序被处理器执行时实现权利要求1至11中的任一项所述的方法或者权利要求12至22中的任一项所述的方法。
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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EP21927290.3A EP4301084A4 (en) | 2021-02-26 | 2021-02-26 | COMMUNICATION METHOD AND COMMUNICATION DEVICE |
PCT/CN2021/078228 WO2022178854A1 (zh) | 2021-02-26 | 2021-02-26 | 通信方法和通信设备 |
KR1020237032421A KR20230146650A (ko) | 2021-02-26 | 2021-02-26 | 통신 방법 및 통신 기기 |
CN202180000509.4A CN115336385B (zh) | 2021-02-26 | 2021-02-26 | 通信方法和通信设备 |
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