WO2021228046A1 - Procédé et appareil de négociation pour mode de fonctionnement, et puce - Google Patents

Procédé et appareil de négociation pour mode de fonctionnement, et puce Download PDF

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Publication number
WO2021228046A1
WO2021228046A1 PCT/CN2021/092816 CN2021092816W WO2021228046A1 WO 2021228046 A1 WO2021228046 A1 WO 2021228046A1 CN 2021092816 W CN2021092816 W CN 2021092816W WO 2021228046 A1 WO2021228046 A1 WO 2021228046A1
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Prior art keywords
bandwidth
indication
preamble puncturing
content channel
channel
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PCT/CN2021/092816
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English (en)
Chinese (zh)
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于健
李云波
郭宇宸
淦明
狐梦实
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华为技术有限公司
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W24/00—Supervisory, monitoring or testing arrangements
    • H04W24/02—Arrangements for optimising operational condition
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
    • H04L1/0013—Rate matching, e.g. puncturing or repetition of code symbols
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/20—Negotiating bandwidth

Definitions

  • This application relates to the field of wireless communication, and in particular to a method, device, and chip for negotiating an operation mode.
  • the Institute of Electrical and Electronics Engineers (IEEE) 802.11 is one of the current mainstream wireless access standards, and it has been widely used in commercial applications.
  • IEEE802.11a/g standard only 20 megahertz (MHz) bandwidth is supported, and the bandwidth continues to increase in the subsequent standard evolution process.
  • the 802.11n standard supports a maximum bandwidth of 40MHz
  • the 802.11ac/ax standard supports a maximum bandwidth of 160MHz
  • the next-generation wireless access standard 802.11be a maximum bandwidth of 320MHz is supported.
  • the 802.11ax standard introduces the transmission method of preamble puncturing, which allows the transmission of physical protocol data units (PPDU) even when the preamble (and subsequent data) is not transmitted in some 20MHz channels. .
  • PPDU physical protocol data units
  • OMI operation mode indication
  • this application discloses the negotiation method, equipment and chip system of the operation mode, computer readable storage medium, computer product and so on.
  • this application provides an operation mode negotiation method, including: the initiator sends an operation mode indication (OMI) to the responder, the OMI includes a preamble puncturing bandwidth indicator, and the preamble puncturing bandwidth
  • OMI operation mode indication
  • the indication is used to indicate the bandwidth range of the bearer signaling field; the signaling field carries at least one piece of all signaling information required to demodulate the data in the PPDU; after negotiation with the responder, the initiator performs the command according to the preamble.
  • the bandwidth range indicated by the hole bandwidth indicator is used for PPDU transmission with the responder.
  • the preamble puncturing bandwidth indication includes at least one of a preamble puncturing reception bandwidth indication and a preamble puncturing transmission bandwidth indication; wherein, the preamble puncturing reception bandwidth indication is used to indicate It is the bandwidth range of the signaling field in which the receiving end of the PPDU can read at least one piece of all signaling information required to demodulate the data in the PPDU;
  • the preamble puncturing transmission bandwidth indication is used to indicate the bandwidth range occupied by the signaling field corresponding to all the signaling information required to demodulate the data in the PPDU by the sending end of the PPDU to send at least one copy.
  • the preamble puncturing transmission bandwidth indicator is used to indicate the initiator of OMI negotiation.
  • the sender of the PPDU at least one piece of all the signaling information required to demodulate the data in the PPDU will not be sent.
  • Exceeding the bandwidth range indicated by the preamble puncturing transmission bandwidth indicator correspondingly, the receiving end of the PPDU can receive or read at least one piece of all the signaling required to demodulate the data in the PPDU within this bandwidth range information.
  • This method enables the initiator and responder of the OMI negotiation to negotiate the preamble puncturing bandwidth range according to the preamble puncturing situation, and the responding terminal only receives and parses the signaling field from the bandwidth range indicated by the preamble puncturing bandwidth indication, There is no need to receive and parse signaling fields from the entire channel bandwidth, which improves the efficiency of parsing signaling fields; in addition, when the negotiated preamble puncturing bandwidth is small, power consumption can be reduced and energy saving is achieved; when the negotiated preamble When the puncturing bandwidth is large, a more flexible preamble puncturing method can be supported, which further improves the transmission throughput and rate.
  • the OMI also includes a channel bandwidth indicator, which is used to indicate the range of the entire channel bandwidth for transmitting PPDUs.
  • the channel bandwidth indication and the preamble puncturing bandwidth indication may be jointly indicated. That is, the channel bandwidth indication and the preamble puncturing bandwidth indication use the same indication information to indicate. This method takes advantage of the feature that the preamble puncturing bandwidth does not exceed the channel bandwidth and saves a lot of items wasted by unnecessary combinations. The bit value is saved and the indication overhead is reduced.
  • control information corresponding to the control subfield carries the OMI
  • the OMI includes a preamble puncturing bandwidth indication
  • the extremely high throughput (EHT) operation element of the management frame may also carry the OMI, and the OMI includes a preamble puncturing bandwidth indicator, and the preamble puncturing bandwidth indicator is used to indicate The bandwidth range of the bearer signaling field.
  • control subfield includes a control identifier (identifier, ID), and the control ID is one of the reserved control IDs.
  • the preamble puncturing reception bandwidth indicator can be used to indicate any of the bandwidths of 40MHz, 80MHz, and 160MHz; it can also be used to indicate any of the bandwidths of 80MHz and 160MHz; two indicators The number of bits required by the method is different. For example, 2 bits are used to indicate any of the bandwidths of 40 MHz, 80 MHz, and 160 MHz, 00 means 40 MHz, 01 means 80 MHz, 10 means 160 MHz, and 11 means reserved bits. For another example, 1 bit is used to indicate any of the bandwidths of 80MHz and 160MHz, 0 means 80MHz, 1 means 160MHz, or vice versa.
  • the preamble puncturing transmission bandwidth indicator can be used to indicate any of the bandwidths of 40MHz, 80MHz, and 160MHz; it can also be used to indicate any of the bandwidths of 80MHz and 160MHz; two indicators The number of bits required by the method is different. For example, 2 bits are used to indicate any of the bandwidths of 40 MHz, 80 MHz, and 160 MHz, 00 means 40 MHz, 01 means 80 MHz, 10 means 160 MHz, and 11 means reserved bits. For another example, 1 bit is used to indicate any of the bandwidths of 80MHz and 160MHz, 0 means 80MHz, 1 means 160MHz, or vice versa.
  • the channel bandwidth indicator and the preamble puncturing bandwidth indicator jointly indicate one of the following situations:
  • the channel bandwidth is 20MHz, and the preamble puncturing bandwidth is 20MHz;
  • the channel bandwidth is 40MHz, and the preamble puncturing bandwidth is 40MHz;
  • the channel bandwidth is 80MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 160MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 240MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 240MHz, and the preamble puncturing bandwidth is 160MHz;
  • the channel bandwidth is 320MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 320MHz, and the preamble puncturing bandwidth is 160MHz.
  • the method provided in the first aspect uses OMI to indicate the preamble puncturing bandwidth.
  • This method uses the initiator to semi-statically indicate the preamble puncturing bandwidth OM supported by the responder, which better balances the throughput and power consumption. /the complexity.
  • the present application provides a method for negotiating an operation mode, including: the initiator sends an operation mode indicator OMI to the responder, the OMI includes a content channel mode indicator, and the content channel mode indicator is used to indicate the content of the transmission signaling field Channel mode: After negotiation with the responder, the initiator transmits PPDUs with the responder according to the content channel mode indicated by the content channel mode indicator.
  • control information corresponding to the control subfield carries the OMI
  • the OMI includes a content channel mode indicator
  • the content channel mode indicator is used to indicate the content channel mode of the transmission signaling field.
  • the OMI may also be carried in the EHT operation element of the management frame, and the OMI includes a content channel mode indicator, and the content channel mode indicator is used to indicate the content channel mode of the transmission signaling field.
  • control subfield includes a control ID
  • control ID is one of the reserved control IDs.
  • the content channel mode indication is used to indicate one of the following content channel modes:
  • the first content channel-the first content channel-the second content channel-the second content channel that is, after carrying one type of signaling information in the four content channels, another type of signaling information is carried.
  • the first content channel-the second content channel-the third content channel-the fourth content channel that is, the four content channels respectively carry different signaling information in sequence.
  • the first content channel-the first content channel-the first content channel-the first content channel-the first content channel; that is, the signaling information carried by the four content channels is the same, or only different forms or mathematical transformations of the same signaling information.
  • the number of the foregoing content channels is four as an example. In a specific implementation, the number can be more flexible, and this is only an example.
  • the method provided by the second aspect uses OMI to indicate the content channel mode, and supports a more flexible content channel mode, so that the initiator and responder of OMI negotiation can clarify the mode of content channel transmission in the subsequent PPDU transmission process. , So as to prevent the receiving end of the PPDU from parsing the PPDU according to the traditional content channel mode, resulting in parsing errors. Furthermore, a more flexible preamble puncturing method is supported, thereby improving the transmission throughput and rate.
  • the present application provides a method for negotiating an operation mode, including: the initiator sends an operation mode indication OMI to the responder, the OMI includes a signaling field receiving position indication, and the signaling field receiving position indication is used to indicate signaling The receiving position of the field; after negotiation with the responder, the initiator transmits the PPDU with the responder according to the receiving position indicated by the receiving position indication of the signaling field.
  • control information corresponding to the control subfield carries the OMI
  • the OMI includes a signaling field receiving position indication
  • the signaling field receiving position indication is used to indicate the receiving position of the signaling field.
  • the EHT operation element of the management frame may also carry the OMI, and the OMI includes a signaling field reception position indication, and the signaling field reception position indication is used to indicate the reception position of the signaling field.
  • control subfield includes a control ID
  • control ID is one of the reserved control IDs.
  • the signaling field receiving position indication is used to indicate one of the receiving positions of the following signaling fields:
  • the minimum frequency is 80MHz
  • the frequency is the next lower 80MHz;
  • the second highest frequency is 80MHz
  • the frequency is up to 80MHz.
  • the method provided in the third aspect uses OMI to indicate the receiving position of the signaling field, which accurately indicates that the responding end obtains and analyzes the signaling field on a certain 80MHz channel bandwidth, without receiving signaling from the entire channel bandwidth.
  • Field parsing improves the efficiency of parsing signaling fields, and further improves the transmission throughput and rate.
  • the present application provides an operation mode negotiation method, including: the responding end receives an operation mode indication OMI sent by the initiator, the OMI includes a preamble puncturing bandwidth indicator, and the preamble puncturing bandwidth indicator is used to indicate The bandwidth range of the bearer signaling field; the signaling field carries at least one piece of all signaling information needed to demodulate the data in the PPDU; after negotiation with the initiator, the responder indicates the puncturing bandwidth according to the preamble.
  • the indicated bandwidth range is used for PPDU transmission with the initiator.
  • the responder after receiving the OMI, the responder will reply with an acknowledgement frame.
  • the preamble puncturing bandwidth indication includes at least one of a preamble puncturing reception bandwidth indication and a preamble puncturing transmission bandwidth indication; wherein, the preamble puncturing reception bandwidth indication is used to indicate It is the bandwidth range of the signaling field in which the receiving end of the PPDU can read at least one piece of all signaling information required to demodulate the data in the PPDU;
  • the preamble puncturing transmission bandwidth indication is used to indicate the bandwidth range occupied by the signaling field corresponding to all the signaling information required to demodulate the data in the PPDU by the sending end of the PPDU to send at least one copy.
  • the preamble puncturing transmission bandwidth indicator is used to indicate the responding end of the OMI negotiation.
  • the transmitting end of the PPDU at least one piece of all the signaling information required to demodulate the data in the PPDU will not be sent.
  • Exceeding the bandwidth range indicated by the preamble puncturing transmission bandwidth indicator correspondingly, the receiving end of the PPDU can receive or read at least one piece of all the signaling required to demodulate the data in the PPDU within this bandwidth range information.
  • This method enables the initiator and responder of the OMI negotiation to negotiate the preamble puncturing bandwidth range according to the preamble puncturing situation, and the responding terminal only receives and parses the signaling field from the bandwidth range indicated by the preamble puncturing bandwidth indication, There is no need to receive and parse signaling fields from the entire channel bandwidth, which improves the efficiency of parsing signaling fields; in addition, when the negotiated preamble puncturing bandwidth is small, power consumption can be reduced and energy saving is achieved; when the negotiated preamble When the puncturing bandwidth is large, a more flexible preamble puncturing method can be supported, which further improves the transmission throughput and rate.
  • the OMI also includes a channel bandwidth indicator, which is used to indicate the range of the entire channel bandwidth for transmitting PPDUs.
  • the channel bandwidth indication and the preamble puncturing bandwidth indication may be jointly indicated. That is, the channel bandwidth indication and the preamble puncturing bandwidth indication use the same indication information to indicate. This method takes advantage of the feature that the preamble puncturing bandwidth does not exceed the channel bandwidth and saves a lot of items wasted by unnecessary combinations. The bit value is saved and the indication overhead is reduced.
  • the responder parses the OMI from the received control information corresponding to the control subfield, and obtains the preamble puncturing bandwidth indication.
  • the responder parses the OMI from the EHT operation element in the received management frame, and obtains a preamble puncturing bandwidth indication, which is used to indicate the bandwidth of the signaling field. Scope.
  • control subfield includes a control ID
  • control ID is one of the reserved control IDs.
  • the preamble puncturing reception bandwidth indicator can be used to indicate any of the bandwidths of 40MHz, 80MHz, and 160MHz; it can also be used to indicate any of the bandwidths of 80MHz and 160MHz; two indicators The number of bits required by the method is different. For example, 2 bits are used to indicate any of the bandwidths of 40 MHz, 80 MHz, and 160 MHz, 00 means 40 MHz, 01 means 80 MHz, 10 means 160 MHz, and 11 means reserved bits. For another example, 1 bit is used to indicate any of the bandwidths of 80MHz and 160MHz, 0 means 80MHz, 1 means 160MHz, or vice versa.
  • the preamble puncturing transmission bandwidth indicator can be used to indicate any of the bandwidths of 40MHz, 80MHz, and 160MHz; it can also be used to indicate any of the bandwidths of 80MHz and 160MHz; two indicators The number of bits required by the method is different. For example, 2 bits are used to indicate any of the bandwidths of 40 MHz, 80 MHz, and 160 MHz, 00 means 40 MHz, 01 means 80 MHz, 10 means 160 MHz, and 11 means reserved bits. For another example, 1 bit is used to indicate any of the bandwidths of 80MHz and 160MHz, 0 means 80MHz, 1 means 160MHz, or vice versa.
  • the channel bandwidth indicator and the preamble puncturing bandwidth indicator jointly indicate one of the following situations:
  • the channel bandwidth is 20MHz, and the preamble puncturing bandwidth is 20MHz;
  • the channel bandwidth is 40MHz, and the preamble puncturing bandwidth is 40MHz;
  • the channel bandwidth is 80MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 160MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 240MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 240MHz, and the preamble puncturing bandwidth is 160MHz;
  • the channel bandwidth is 320MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 320MHz, and the preamble puncturing bandwidth is 160MHz.
  • the method provided by the fourth aspect uses OMI to indicate the preamble puncturing bandwidth.
  • This method uses the initiator to semi-statically indicate the preamble puncturing bandwidth OM supported by the responder, which better balances throughput and power consumption. /the complexity.
  • the present application provides an operation mode negotiation method, including: the responding end receives an operation mode indicator OMI sent by the initiator, the OMI includes a content channel mode indicator, and the content channel mode indicator is used to indicate a transmission signaling field Content channel mode; After negotiation with the initiator, the responder transmits PPDUs with the initiator according to the content channel mode indicated by the content channel mode indicator.
  • the responder after receiving the OMI, the responder will reply with an acknowledgement frame.
  • the responder parses the OMI from the received control information corresponding to the control subfield to obtain a content channel mode indication, and the content channel mode indication is used to indicate the content channel mode of the transmission signaling field.
  • the responder parses the OMI from the EHT operation element in the received management frame, and obtains the content channel mode indication, and the content channel mode indication is used to indicate the content channel mode of the transmission signaling field.
  • control subfield includes a control identifier ID, and the control ID is one of the reserved control IDs.
  • the content channel mode may indicate one of the following content channel modes:
  • the first content channel-the first content channel-the second content channel-the second content channel that is, after carrying one type of signaling information in the four content channels, another type of signaling information is carried.
  • the first content channel-the second content channel-the third content channel-the fourth content channel that is, the four content channels respectively carry different signaling information in sequence.
  • the first content channel-the first content channel-the first content channel-the first content channel-the first content channel; that is, the signaling information carried by the four content channels is the same, or only different forms or mathematical transformations of the same signaling information.
  • the number of the foregoing content channels is four as an example. In a specific implementation, the number can be more flexible, and this is only an example.
  • the method provided by the fifth aspect uses OMI to indicate the content channel mode, and supports a more flexible content channel mode, so that the initiator and responder of OMI negotiation can clarify the mode of content channel transmission in the subsequent PPDU transmission process. , So as to prevent the receiving end of the PPDU from parsing the PPDU according to the traditional content channel mode, resulting in parsing errors. Furthermore, a more flexible preamble puncturing method is supported, thereby improving the transmission throughput and rate.
  • the present application provides a method for negotiating an operation mode, including: the responding end receives an operation mode indication OMI sent by the sending end, the OMI includes a signaling field receiving position indication, and the signaling field receiving position indication is used to indicate The receiving position of the signaling field; after negotiation with the initiating end, the responding end performs PPDU transmission with the initiating end according to the receiving position indicated by the receiving position indication of the signaling field.
  • the responder after receiving the OMI, the responder will reply with an acknowledgement frame.
  • the responder parses the OMI from the control information corresponding to the received control subfield, and obtains the signaling field reception position indication, and the signaling field reception position indication is used to indicate the reception position of the signaling field .
  • the responder parses the OMI from the EHT operation element in the received management frame, and obtains the signaling field reception position indication, and the signaling field reception position indication is used to indicate the reception position of the signaling field .
  • control subfield includes a control ID
  • control ID is one of the reserved control IDs.
  • the signaling field receiving position indication is used to indicate one of the receiving positions of the following signaling fields:
  • the minimum frequency is 80MHz
  • the frequency is the next lower 80MHz;
  • the second highest frequency is 80MHz
  • the frequency is up to 80MHz.
  • the method provided by the sixth aspect uses OMI to indicate the receiving position of the signaling field, which accurately indicates that the responding end obtains and analyzes the signaling field on a certain 80MHz channel bandwidth, without receiving the signal from the entire channel bandwidth.
  • Parallel analysis of fields improves the efficiency of parsing signaling fields, and further improves the transmission throughput and rate.
  • the present application provides an initiating terminal that has some or all of the functions of the initiating terminal in the method example described in the first aspect.
  • the function can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above-mentioned functions.
  • the structure of the initiator may include a processing unit and a communication unit, and the processing unit is configured to support the initiator to perform corresponding functions in the foregoing method.
  • the communication unit is used to support communication between the initiator and other devices.
  • the initiator may also include a storage unit configured to couple with the processing unit and the sending unit, and store program instructions and data of the initiator.
  • the initiating end includes:
  • the communication unit is configured to send an operation mode indicator OMI, the OMI including a preamble puncturing bandwidth indicator; the preamble puncturing bandwidth indicator is used to indicate the bandwidth range of a signaling field; the signaling field carries at least one copy All the signaling information needed to demodulate the data in the physical layer protocol data unit PPDU;
  • a processing unit configured to identify the bandwidth range indicated by the preamble puncturing bandwidth indicator
  • the communication unit is further configured to perform PPDU transmission between the responding end and the bandwidth range indicated by the preamble puncturing bandwidth indication.
  • the processing unit may be a processor
  • the communication unit may be a transceiver
  • the storage unit may be a memory
  • the initiating end includes:
  • the transceiver is configured to send an operation mode indicator OMI, the OMI includes a preamble puncturing bandwidth indicator; the preamble puncturing bandwidth indicator is used to indicate the bandwidth range of a signaling field; the signaling field carries at least one copy All the signaling information needed to demodulate the data in the physical layer protocol data unit PPDU;
  • a processor configured to identify the bandwidth range indicated by the preamble puncturing bandwidth indication
  • the transceiver is also configured to perform PPDU transmission between the responding end and the bandwidth range indicated by the preamble puncturing bandwidth indication.
  • the preamble puncturing bandwidth indication includes at least one of a preamble puncturing reception bandwidth indication and a preamble puncturing transmission bandwidth indication; wherein, the preamble puncturing reception bandwidth indication is used to indicate It is the bandwidth range of the signaling field in which the receiving end of the PPDU can read at least one piece of all signaling information required to demodulate the data in the PPDU;
  • the preamble puncturing transmission bandwidth indication is used to indicate the bandwidth range occupied by the signaling field corresponding to all the signaling information required to demodulate the data in the PPDU by the sending end of the PPDU to send at least one copy.
  • the preamble puncturing transmission bandwidth indicator is used to indicate the initiator of OMI negotiation.
  • the sender of the PPDU at least one piece of all the signaling information required to demodulate the data in the PPDU will not be sent.
  • Exceeding the bandwidth range indicated by the preamble puncturing transmission bandwidth indicator correspondingly, the receiving end of the PPDU can receive or read at least one piece of all the signaling required to demodulate the data in the PPDU within this bandwidth range information.
  • This method enables the initiator and responder of the OMI negotiation to negotiate the preamble puncturing bandwidth range according to the preamble puncturing situation, and the responding terminal only receives and parses the signaling field from the bandwidth range indicated by the preamble puncturing bandwidth indication, There is no need to receive and parse signaling fields from the entire channel bandwidth, which improves the efficiency of parsing signaling fields; in addition, when the negotiated preamble puncturing bandwidth is small, power consumption can be reduced and energy saving is achieved; when the negotiated preamble When the puncturing bandwidth is large, a more flexible preamble puncturing method can be supported, which further improves the transmission throughput and rate.
  • the OMI also includes a channel bandwidth indicator, which is used to indicate the range of the entire channel bandwidth for transmitting PPDUs.
  • the channel bandwidth indication and the preamble puncturing bandwidth indication may be jointly indicated. That is, the channel bandwidth indication and the preamble puncturing bandwidth indication use the same indication information to indicate. This method takes advantage of the feature that the preamble puncturing bandwidth does not exceed the channel bandwidth and saves a lot of items wasted by unnecessary combinations. The bit value is saved and the indication overhead is reduced.
  • control information corresponding to the control subfield carries the OMI
  • the OMI includes a preamble puncturing bandwidth indication
  • the extremely high throughput (EHT) operation element of the management frame may also carry the OMI, and the OMI includes a preamble puncturing bandwidth indicator, and the preamble puncturing bandwidth indicator is used to indicate The bandwidth range of the bearer signaling field.
  • control subfield includes a control identifier (identifier, ID), and the control ID is one of the reserved control IDs.
  • the preamble puncturing reception bandwidth indicator can be used to indicate any of the bandwidths of 40MHz, 80MHz, and 160MHz; it can also be used to indicate any of the bandwidths of 80MHz and 160MHz; two indicators The number of bits required by the method is different. For example, 2 bits are used to indicate any of the bandwidths of 40 MHz, 80 MHz, and 160 MHz, 00 means 40 MHz, 01 means 80 MHz, 10 means 160 MHz, and 11 means reserved bits. For another example, 1 bit is used to indicate any of the bandwidths of 80MHz and 160MHz, 0 means 80MHz, 1 means 160MHz, or vice versa.
  • the preamble puncturing transmission bandwidth indicator can be used to indicate any of the bandwidths of 40MHz, 80MHz, and 160MHz; it can also be used to indicate any of the bandwidths of 80MHz and 160MHz; two indicators The number of bits required by the method is different. For example, 2 bits are used to indicate any of the bandwidths of 40 MHz, 80 MHz, and 160 MHz, 00 means 40 MHz, 01 means 80 MHz, 10 means 160 MHz, and 11 means reserved bits. For another example, 1 bit is used to indicate any of the bandwidths of 80MHz and 160MHz, 0 means 80MHz, 1 means 160MHz, or vice versa.
  • the channel bandwidth indicator and the preamble puncturing bandwidth indicator jointly indicate one of the following situations:
  • the channel bandwidth is 20MHz, and the preamble puncturing bandwidth is 20MHz;
  • the channel bandwidth is 40MHz, and the preamble puncturing bandwidth is 40MHz;
  • the channel bandwidth is 80MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 160MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 240MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 240MHz, and the preamble puncturing bandwidth is 160MHz;
  • the channel bandwidth is 320MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 320MHz, and the preamble puncturing bandwidth is 160MHz.
  • the initiator provided by the seventh aspect uses OMI to indicate the preamble puncturing bandwidth, so that the initiator can semi-statically indicate the preamble puncturing bandwidth OM supported by the responder, which better balances the throughput and power consumption. /the complexity.
  • the present application provides an initiating terminal that has part or all of the functions of the initiating terminal in the method example described in the second aspect.
  • the function can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above-mentioned functions.
  • the structure of the initiator may include a processing unit and a communication unit, and the processing unit is configured to support the initiator to perform corresponding functions in the foregoing method.
  • the communication unit is used to support communication between the initiator and other devices.
  • the initiator may also include a storage unit configured to couple with the processing unit and the sending unit, and store program instructions and data of the initiator.
  • the initiating end includes:
  • the communication unit is configured to send an operation mode indication OMI, where the OMI includes a content channel mode indication; the content channel mode indication is used to indicate a content channel mode of a transmission signaling field;
  • a processing unit configured to identify the content channel mode indicated by the content channel mode indication
  • the communication unit is further configured to perform PPDU transmission with the responder according to the content channel mode indicated by the content channel mode indication.
  • the processing unit may be a processor
  • the communication unit may be a transceiver
  • the storage unit may be a memory
  • the initiating end includes:
  • a transceiver configured to send an operation mode indication OMI, the OMI including a content channel mode indication; the content channel mode indication is used to indicate a content channel mode of a transmission signaling field;
  • a processor configured to identify the content channel mode indicated by the content channel mode indication
  • the transceiver is also configured to perform PPDU transmission with the responder according to the content channel mode indicated by the content channel mode indication.
  • control information corresponding to the control subfield carries the OMI
  • the OMI includes a content channel mode indicator
  • the content channel mode indicator is used to indicate the content channel mode of the transmission signaling field.
  • the EHT operation element of the management frame may also carry the OMI, and the OMI includes a content channel mode indicator, and the content channel mode indicator is used to indicate the content channel mode of the transmission signaling field.
  • control subfield includes a control ID
  • control ID is one of the reserved control IDs.
  • the content channel mode indication is used to indicate one of the following content channel modes:
  • the first content channel-the first content channel-the second content channel-the second content channel that is, after carrying one type of signaling information in the four content channels, another type of signaling information is carried.
  • the first content channel-the second content channel-the third content channel-the fourth content channel that is, the four content channels respectively carry different signaling information in sequence.
  • the first content channel-the first content channel-the first content channel-the first content channel-the first content channel; that is, the signaling information carried by the four content channels is the same, or only different forms or mathematical transformations of the same signaling information.
  • the number of the foregoing content channels is four as an example. In a specific implementation, the number can be more flexible, and this is only an example.
  • the initiator provided by the eighth aspect uses OMI to indicate the content channel mode, and supports a more flexible content channel mode, so that the initiator and responder of OMI negotiation can clarify the content channel transmission during the subsequent PPDU transmission process. Mode, so as to prevent the receiving end of the PPDU from parsing the PPDU according to the traditional content channel mode, resulting in parsing errors. Furthermore, a more flexible preamble puncturing method is supported, thereby improving the transmission throughput and rate.
  • the present application provides an initiating terminal that has some or all of the functions of the initiating terminal in the method example described in the third aspect.
  • the function can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above-mentioned functions.
  • the structure of the initiator may include a processing unit and a communication unit, and the processing unit is configured to support the initiator to perform corresponding functions in the foregoing method.
  • the communication unit is used to support communication between the initiator and other devices.
  • the initiator may also include a storage unit configured to couple with the processing unit and the sending unit, and store program instructions and data of the initiator.
  • the initiating end includes:
  • the communication unit is configured to send an operation mode indication OMI, the OMI including a signaling field reception position indication; the signaling field reception position indication is used to indicate the reception position of the signaling field;
  • a processing unit configured to identify the receiving position indicated by the receiving position indication of the signaling field
  • the communication unit is further configured to perform PPDU transmission with the responding end according to the receiving position indicated by the receiving position indication of the signaling field.
  • the processing unit may be a processor
  • the communication unit may be a transceiver
  • the storage unit may be a memory
  • the initiating end includes:
  • a transceiver configured to send an operation mode indication OMI, where the OMI includes a signaling field reception position indication; the signaling field reception position indication is used to indicate a reception position of a signaling field;
  • a processor configured to identify the receiving position indicated by the receiving position indication of the signaling field
  • the transceiver is further configured to perform PPDU transmission with the responding end according to the receiving position indicated by the receiving position indication of the signaling field.
  • control information corresponding to the control subfield carries the OMI
  • the OMI includes a signaling field receiving position indication
  • the signaling field receiving position indication is used to indicate the receiving position of the signaling field.
  • the OMI may also be carried in the EHT operation element of the management frame, and the OMI includes a signaling field reception position indication, and the signaling field reception position indication is used to indicate the reception position of the signaling field.
  • control subfield includes a control ID
  • control ID is one of the reserved control IDs.
  • the signaling field receiving position indication is used to indicate one of the receiving positions of the following signaling fields:
  • the minimum frequency is 80MHz
  • the frequency is the next lower 80MHz;
  • the second highest frequency is 80MHz
  • the frequency is up to 80MHz.
  • the initiator provided by the ninth aspect uses OMI to indicate the receiving position of the signaling field, which accurately indicates that the responding terminal obtains and analyzes the signaling field on a certain 80MHz channel bandwidth, without receiving the signal from the entire channel bandwidth.
  • Parallel analysis of fields improves the efficiency of parsing signaling fields, and further improves the transmission throughput and rate.
  • the present application provides a responder, which has some or all of the functions of the initiator in the method example described in the fourth aspect.
  • the function can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above-mentioned functions.
  • the structure of the responding terminal may include a processing unit and a communication unit, and the processing unit is configured to support the responding terminal to perform corresponding functions in the foregoing method.
  • the communication unit is used to support communication between the responder and other devices.
  • the responding end may also include a storage unit, which is configured to be coupled with the processing unit and the sending unit, and stores the program instructions and data of the initiator.
  • the responder includes:
  • the communication unit is configured to receive an operation mode indication OMI, where the OMI includes a preamble puncturing bandwidth indication; the preamble puncturing bandwidth indication is used to indicate the bandwidth range of a signaling field; the signaling field carries at least one copy All the signaling information needed to demodulate the data in the physical layer protocol data unit PPDU;
  • OMI operation mode indication
  • the preamble puncturing bandwidth indication is used to indicate the bandwidth range of a signaling field
  • the signaling field carries at least one copy All the signaling information needed to demodulate the data in the physical layer protocol data unit PPDU;
  • a processing unit configured to identify the bandwidth range indicated by the preamble puncturing bandwidth indicator
  • the communication unit is further configured to perform PPDU transmission with the initiator according to the bandwidth range indicated by the preamble puncturing bandwidth indication.
  • the processing unit may be a processor
  • the communication unit may be a transceiver
  • the storage unit may be a memory
  • the responder includes:
  • the transceiver is configured to receive an operation mode indicator OMI, the OMI including a preamble puncturing bandwidth indicator; the preamble puncturing bandwidth indicator is used to indicate the bandwidth range of a signaling field; the signaling field carries at least one copy All the signaling information needed to demodulate the data in the physical layer protocol data unit PPDU;
  • OMI operation mode indicator
  • a preamble puncturing bandwidth indicator is used to indicate the bandwidth range of a signaling field
  • the signaling field carries at least one copy All the signaling information needed to demodulate the data in the physical layer protocol data unit PPDU;
  • a processor configured to identify the bandwidth range indicated by the preamble puncturing bandwidth indication
  • the transceiver is also used to perform PPDU transmission with the initiator according to the bandwidth range indicated by the preamble puncturing bandwidth indication.
  • the responder after receiving the OMI, the responder will reply with an acknowledgement frame.
  • the preamble puncturing bandwidth indication includes at least one of a preamble puncturing reception bandwidth indication and a preamble puncturing transmission bandwidth indication; wherein, the preamble puncturing reception bandwidth indication is used to indicate It is the bandwidth range of the signaling field in which the receiving end of the PPDU can read at least one piece of all signaling information required to demodulate the data in the PPDU;
  • the preamble puncturing transmission bandwidth indication is used to indicate the bandwidth range occupied by the signaling field corresponding to all the signaling information required to demodulate the data in the PPDU by the sending end of the PPDU to send at least one copy.
  • the preamble puncturing transmission bandwidth indicator is used to indicate the responding end of the OMI negotiation.
  • the transmitting end of the PPDU at least one piece of all the signaling information required to demodulate the data in the PPDU will not be sent.
  • Exceeding the bandwidth range indicated by the preamble puncturing transmission bandwidth indicator correspondingly, the receiving end of the PPDU can receive or read at least one piece of all the signaling required to demodulate the data in the PPDU within the bandwidth range information.
  • This method enables the initiator and responder of the OMI negotiation to negotiate the preamble puncturing bandwidth range according to the preamble puncturing situation, and the responding terminal only receives and parses the signaling field from the bandwidth range indicated by the preamble puncturing bandwidth indication, There is no need to receive and parse signaling fields from the entire channel bandwidth, which improves the efficiency of parsing signaling fields; in addition, when the negotiated preamble puncturing bandwidth is small, power consumption can be reduced and energy saving is achieved; when the negotiated preamble When the puncturing bandwidth is large, a more flexible preamble puncturing method can be supported, which further improves the transmission throughput and rate.
  • the OMI also includes a channel bandwidth indicator, which is used to indicate the range of the entire channel bandwidth for transmitting PPDUs.
  • the channel bandwidth indication and the preamble puncturing bandwidth indication may be jointly indicated. That is, the channel bandwidth indication and the preamble puncturing bandwidth indication use the same indication information to indicate. This method takes advantage of the feature that the preamble puncturing bandwidth does not exceed the channel bandwidth and saves a lot of items wasted by unnecessary combinations. The bit value is saved and the indication overhead is reduced.
  • the responder parses the OMI from the received control information corresponding to the control subfield, and obtains the preamble puncturing bandwidth indication.
  • the responder parses the OMI from the EHT operation element in the received management frame, and obtains a preamble puncturing bandwidth indication, which is used to indicate the bandwidth of the signaling field. Scope.
  • control subfield includes a control ID
  • control ID is one of the reserved control IDs.
  • the preamble puncturing reception bandwidth indicator can be used to indicate any of the bandwidths of 40MHz, 80MHz, and 160MHz; it can also be used to indicate any of the bandwidths of 80MHz and 160MHz; two indicators The number of bits required by the method is different. For example, 2 bits are used to indicate any of the bandwidths of 40 MHz, 80 MHz, and 160 MHz, 00 means 40 MHz, 01 means 80 MHz, 10 means 160 MHz, and 11 means reserved bits. For another example, 1 bit is used to indicate any of the bandwidths of 80MHz and 160MHz, 0 means 80MHz, 1 means 160MHz, or vice versa.
  • the preamble puncturing transmission bandwidth indicator can be used to indicate any of the bandwidths of 40MHz, 80MHz, and 160MHz; it can also be used to indicate any of the bandwidths of 80MHz and 160MHz; two indicators The number of bits required by the method is different. For example, 2 bits are used to indicate any of the bandwidths of 40 MHz, 80 MHz, and 160 MHz, 00 means 40 MHz, 01 means 80 MHz, 10 means 160 MHz, and 11 means reserved bits. For another example, 1 bit is used to indicate any of the bandwidths of 80MHz and 160MHz, 0 means 80MHz, 1 means 160MHz, or vice versa.
  • the channel bandwidth indicator and the preamble puncturing bandwidth indicator jointly indicate one of the following situations:
  • the channel bandwidth is 20MHz, and the preamble puncturing bandwidth is 20MHz;
  • the channel bandwidth is 40MHz, and the preamble puncturing bandwidth is 40MHz;
  • the channel bandwidth is 80MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 160MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 240MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 240MHz, and the preamble puncturing bandwidth is 160MHz;
  • the channel bandwidth is 320MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 320MHz, and the preamble puncturing bandwidth is 160MHz.
  • the responder provided by the tenth aspect negotiates the preamble puncturing bandwidth through OMI, so that the initiator semi-statically indicates the preamble puncturing bandwidth OM supported by the responder, which better balances throughput and power consumption. the complexity.
  • the present application provides a responder, which has some or all of the functions of the initiator in the method example described in the fifth aspect.
  • the function can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above-mentioned functions.
  • the structure of the responding terminal may include a processing unit and a communication unit, and the processing unit is configured to support the responding terminal to perform corresponding functions in the foregoing method.
  • the communication unit is used to support communication between the responder and other devices.
  • the responding end may also include a storage unit, which is configured to be coupled with the processing unit and the sending unit, and stores the program instructions and data of the initiator.
  • the responder includes:
  • the communication unit is configured to receive an operation mode indication OMI, where the OMI includes a content channel mode indication; the content channel mode indication is used to indicate the content channel mode of the transmission signaling field;
  • a processing unit configured to identify the content channel mode indicated by the content channel mode indication
  • the communication unit is further configured to perform PPDU transmission with the initiator according to the content channel mode indicated by the content channel mode indication.
  • the processing unit may be a processor
  • the communication unit may be a transceiver
  • the storage unit may be a memory
  • the responder includes:
  • a transceiver configured to receive an operation mode indication OMI, where the OMI includes a content channel mode indication; the content channel mode indication is used to indicate a content channel mode of a transmission signaling field;
  • a processor configured to identify the content channel mode indicated by the content channel mode indication
  • the transceiver is also configured to perform PPDU transmission with the initiator according to the content channel mode indicated by the content channel mode indication.
  • the responder after receiving the OMI, the responder will reply with an acknowledgement frame.
  • the responder parses the OMI from the received control information corresponding to the control subfield to obtain a content channel mode indication, and the content channel mode indication is used to indicate the content channel mode of the transmission signaling field.
  • the responder parses the OMI from the EHT operation element in the received management frame, and obtains the content channel mode indication, and the content channel mode indication is used to indicate the content channel mode of the transmission signaling field.
  • control subfield includes a control identifier ID, and the control ID is one of the reserved control IDs.
  • the content channel mode may indicate one of the following content channel modes:
  • the first content channel-the first content channel-the second content channel-the second content channel that is, after carrying one type of signaling information in the four content channels, another type of signaling information is carried.
  • the first content channel-the second content channel-the third content channel-the fourth content channel that is, the four content channels respectively carry different signaling information in sequence.
  • the first content channel-the first content channel-the first content channel-the first content channel-the first content channel; that is, the signaling information carried by the four content channels is the same, or only different forms or mathematical transformations of the same signaling information.
  • the number of the foregoing content channels is four as an example. In a specific implementation, the number can be more flexible, and this is only an example.
  • the responder provided by the eleventh aspect negotiates the content channel mode through OMI, which supports a more flexible content channel mode, so that the initiator and responder of the OMI negotiation can specify the content channel transmission in the subsequent PPDU transmission process.
  • OMI optical microcontroller
  • the initiator and responder of the OMI negotiation can specify the content channel transmission in the subsequent PPDU transmission process.
  • the receiving end of the PPDU from parsing the PPDU according to the traditional content channel mode, resulting in parsing errors.
  • a more flexible preamble puncturing method is supported, thereby improving the transmission throughput and rate.
  • the present application provides a responder, which has some or all of the functions of the initiator in the method example described in the sixth aspect.
  • the function can be realized by hardware, or by hardware executing corresponding software.
  • the hardware or software includes one or more units or modules corresponding to the above-mentioned functions.
  • the structure of the responding terminal may include a processing unit and a communication unit, and the processing unit is configured to support the responding terminal to perform corresponding functions in the foregoing method.
  • the communication unit is used to support communication between the responder and other devices.
  • the responding end may also include a storage unit, which is configured to be coupled with the processing unit and the sending unit, and stores the program instructions and data of the initiator.
  • the responder includes:
  • a transceiver configured to receive an operation mode indication OMI, where the OMI includes a signaling field reception position indication; the signaling field reception position indication is used to indicate a reception position of a signaling field;
  • a processor configured to identify the receiving position indicated by the receiving position indication of the signaling field
  • the transceiver is also used to perform PPDU transmission with the initiator according to the receiving position indicated by the receiving position indication of the signaling field.
  • the processing unit may be a processor
  • the communication unit may be a transceiver
  • the storage unit may be a memory
  • the responder includes:
  • a transceiver configured to receive an operation mode indication OMI, where the OMI includes a signaling field reception position indication; the signaling field reception position indication is used to indicate a reception position of a signaling field;
  • a processor configured to identify the receiving position indicated by the receiving position indication of the signaling field
  • the transceiver is also used to perform PPDU transmission with the initiator according to the receiving position indicated by the receiving position indication of the signaling field.
  • the responder after receiving the OMI, the responder will reply with an acknowledgement frame.
  • the responder parses the OMI from the control information corresponding to the received control subfield, and obtains the signaling field reception position indication, and the signaling field reception position indication is used to indicate the reception position of the signaling field .
  • the responder parses the OMI from the EHT operation element in the received management frame, and obtains the signaling field reception position indication, and the signaling field reception position indication is used to indicate the reception position of the signaling field .
  • control subfield includes a control ID
  • control ID is one of the reserved control IDs.
  • the signaling field receiving position indication is used to indicate one of the receiving positions of the following signaling fields:
  • the minimum frequency is 80MHz
  • the frequency is the next lower 80MHz;
  • the second highest frequency is 80MHz
  • the frequency is up to 80MHz.
  • the responder provided by the twelfth aspect negotiates the receiving position of the signaling field through OMI, so that the responder can obtain and analyze the signaling field on the specific 80MHz channel bandwidth without receiving signaling from the entire channel bandwidth.
  • Field parsing improves the efficiency of parsing signaling fields, and further improves the transmission throughput and rate.
  • the present application provides a chip system that includes a processor and an interface, and is used to support the initiator to implement the functions involved in the first aspect, for example, to determine or process the data and data involved in the above-mentioned method. At least one of the information.
  • the chip system further includes a memory, and the memory is used to store terminal device program instructions and data.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the chip system includes: at least one processor and an interface
  • the interface is used to output the operation mode indicator OMI, the OMI includes the preamble puncturing bandwidth indicator; the preamble puncturing bandwidth indicator is used to indicate the bandwidth range of the signaling field; the signaling field carries at least one copy of the All the signaling information needed to demodulate the data in the physical layer protocol data unit PPDU;
  • a processor configured to identify the bandwidth range indicated by the preamble puncturing bandwidth indication
  • the interface is also used to perform PPDU transmission between the responding end and the bandwidth range indicated by the preamble puncturing bandwidth indication.
  • the present application provides a chip system, which includes a processor and an interface, and is used to support the initiator to implement the functions involved in the second aspect, for example, to determine or process the data and data involved in the above method. At least one of the information.
  • the chip system further includes a memory, and the memory is used to store terminal device program instructions and data.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the chip system includes: at least one processor and an interface
  • An interface for outputting an operation mode indicator OMI including a content channel mode indicator; the content channel mode indicator is used to indicate a content channel mode of a transmission signaling field;
  • a processor configured to identify the content channel mode indicated by the content channel mode indication
  • the interface is also used to perform PPDU transmission with the responder according to the content channel mode indicated by the content channel mode indication.
  • this application provides a chip system that includes a processor and an interface, and is used to support the initiator to implement the functions involved in the third aspect, for example, to determine or process the data and data involved in the above method. At least one of the information.
  • the chip system further includes a memory, and the memory is used to store terminal device program instructions and data.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the chip system includes: at least one processor and an interface
  • An interface for outputting an operation mode indicator OMI including a signaling field receiving position indicator; the signaling field receiving position indicator is used to indicate a receiving position of a signaling field;
  • a processor configured to identify the receiving position indicated by the receiving position indication of the signaling field
  • the interface is also used to perform PPDU transmission with the responding end according to the receiving position indicated by the receiving position indication of the signaling field.
  • the present application provides a chip system that includes a processor and an interface, and is used to support the responder to implement the functions involved in the fourth aspect, for example, to determine or process the data and data involved in the above method. At least one of the information.
  • the chip system further includes a memory, and the memory is used to store terminal device program instructions and data.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the chip system includes: at least one processor and an interface
  • the interface is used to input the operation mode indicator OMI, the OMI includes the preamble puncturing bandwidth indicator; the preamble puncturing bandwidth indicator is used to indicate the bandwidth range of the signaling field; the signaling field carries at least one copy of the All the signaling information needed to demodulate the data in the physical layer protocol data unit PPDU;
  • the interface is also used to output confirmation frames
  • a processor configured to identify the bandwidth range indicated by the preamble puncturing bandwidth indication
  • the interface is also used to perform PPDU transmission with the initiator according to the bandwidth range indicated by the preamble puncturing bandwidth indication.
  • the present application provides a chip system, which includes a processor and an interface, and is used to support the responder to implement the functions involved in the fifth aspect, for example, to determine or process the data and data involved in the above method. At least one of the information.
  • the chip system further includes a memory, and the memory is used to store terminal device program instructions and data.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the chip system includes: at least one processor and an interface
  • An interface for inputting an operation mode indicator OMI including a content channel mode indicator; the content channel mode indicator is used to indicate a content channel mode of a transmission signaling field;
  • the interface is also used to output confirmation frames
  • a processor configured to identify the content channel mode indicated by the content channel mode indication
  • the interface is also used to perform PPDU transmission with the initiator according to the content channel mode indicated by the content channel mode indication.
  • the present application provides a chip system, which includes a processor and an interface, and is used to support the responder to implement the functions involved in the sixth aspect, for example, to determine or process the data and data involved in the above method. At least one of the information.
  • the chip system further includes a memory, and the memory is used to store terminal device program instructions and data.
  • the chip system can be composed of chips, and can also include chips and other discrete devices.
  • the chip system includes: at least one processor and an interface
  • An interface for inputting an operation mode indication OMI including a signaling field reception position indication; the signaling field reception position indication is used to indicate a reception position of a signaling field;
  • the interface is also used to output confirmation frames
  • a processor configured to identify the receiving position indicated by the receiving position indication of the signaling field
  • the interface is also used to perform PPDU transmission with the initiator according to the receiving position indicated by the receiving position indication of the signaling field.
  • this application provides a computer-readable storage medium for storing computer software instructions used by the above-mentioned initiator, which includes the first, second, and third aspects of the above-mentioned method The procedures involved.
  • this application provides a computer-readable storage medium for storing computer software instructions used by the above-mentioned responding terminal, which includes the fourth, fifth, and sixth aspects of the above-mentioned method. The procedures involved.
  • the present application provides a computer program product including instructions, which when run on a computer, cause the computer to execute the methods described in the first, second, and third aspects.
  • this application provides a computer program product including instructions, which when run on a computer, causes the computer to execute the methods described in the fourth, fifth, and sixth aspects above.
  • the present application provides a functional entity, which is used to execute the method described in any one of the first aspect to the sixth aspect.
  • FIG. 1 is a schematic diagram of a network structure provided by an embodiment of the present application.
  • FIG. 2 is a schematic diagram of the structure of a communication device provided by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of a chip structure provided by an embodiment of the present application.
  • Fig. 4 is a schematic diagram of a MAC frame format provided by an embodiment of the present application.
  • FIG. 5 is a schematic diagram of a frame structure of an aggregation control subfield provided by an embodiment of the present application.
  • FIG. 6 is a schematic diagram of a frame structure of an OM control subfield provided by an embodiment of the present application.
  • FIG. 7 is a schematic diagram of a frame structure of a PPDU provided by an embodiment of the present application.
  • FIG. 8 is a schematic flowchart of a method for negotiating a preamble puncturing bandwidth OM according to an embodiment of the present application
  • FIG. 9 is a schematic diagram of an A-control subfield frame structure provided by an embodiment of the present application.
  • FIG. 10 is a schematic diagram of a management frame structure provided by an embodiment of the present application.
  • FIG. 11 is a schematic diagram of a 160 MHz channel distribution provided by an embodiment of the present application.
  • FIG. 12 is a schematic flowchart of a channel bandwidth OM negotiation method provided by an embodiment of the present application.
  • FIG. 13 is a schematic diagram of an A-control subfield frame structure provided by an embodiment of the present application.
  • FIG. 14 is a schematic diagram of a management frame structure provided by an embodiment of the present application.
  • 15 is a schematic flowchart of a joint negotiation method for channel bandwidth OM and preamble puncturing bandwidth OM according to an embodiment of the present application;
  • FIG. 16 is a schematic diagram of an A-control subfield frame structure provided by an embodiment of the present application.
  • FIG. 17 is a schematic diagram of a management frame structure provided by an embodiment of the present application.
  • FIG. 19 is a schematic diagram of an A-control subfield frame structure provided by an embodiment of the present application.
  • FIG. 20 is a schematic diagram of a management frame structure provided by an embodiment of the present application.
  • FIG. 21 is a schematic flowchart of a method for negotiating a signaling field receiving position OM according to an embodiment of the present application
  • FIG. 22 is a schematic flowchart of a joint negotiation method for content channel mode OM and signaling field receiving location OM according to an embodiment of the present application
  • FIG. 23 is a schematic diagram of an example of joint negotiation of a content channel mode OM and a signaling field receiving position OM provided by an embodiment of the present application.
  • FIG. 1 Take Fig. 1 as an example to illustrate the applicable network structure of the OM negotiation method described in this application.
  • FIG. 1 is a schematic diagram of a network structure provided by an embodiment of the present application.
  • the network structure may include one or more access point (AP)-type sites and one or more non-access point-type sites ( none access point station, non-AP STA).
  • AP access point
  • non-AP STA non-access point-type sites
  • this article refers to the access point type of station as an access point (AP), and the non-access point type of station as a station (STA).
  • AP access point
  • STA station
  • both AP and STA can serve as the initiator and responder of OM negotiation.
  • the initiator and responder of OM negotiation are for the OM negotiation process.
  • the initiator that initiates OM negotiation actively is called the initiator and responds.
  • the OM negotiated is called the responder.
  • the sending end and the receiving end are for the transmission process.
  • the party sending the data is the sending end, and the party receiving the data is the receiving end.
  • the initiating end of OM negotiation can be the sending end or the receiving end of communication transmission; the responding end of OM negotiation can be the sending end of communication transmission or the responding end of communication transmission.
  • AP acts as the initiator of OM negotiation
  • STA1 or STA2 acts as the responder of OM negotiation
  • AP serves as the initiator of OM negotiation, and another AP serves as the responder of OM negotiation;
  • STA1 serves as the initiator of the OM negotiation
  • STA2 serves as the responder of the OM negotiation.
  • both the initiator and the responder of the OM negotiation can be used as the sending end of the communication transmission, and can also be used as the receiving end of the communication transmission, which is not limited in this application.
  • the access point may be an access point for terminal devices (such as mobile phones) to enter a wired (or wireless) network. It is mainly deployed in homes, buildings, and parks. The typical coverage radius is from tens of meters to hundreds of meters. Of course, it can also be deployed outdoors.
  • the access point is equivalent to a bridge connecting the wired network and the wireless network. The main function is to connect each wireless network client together, and then connect the wireless network to the Ethernet.
  • the access point may be a terminal device (such as a mobile phone) or a network device (such as a router) with a wireless-fidelity (WiFi) chip.
  • WiFi wireless-fidelity
  • the access point can be a device that supports the 802.11be standard.
  • the access point may also be a device supporting multiple wireless local area networks (WLAN) standards of the 802.11 family such as 802.11ax, 802.11ac, 802.11n, 802.11g, 802.11b, and 802.11a.
  • WLAN wireless local area networks
  • the access point in this application can be an HE-AP or EHT-AP, or an access point that is applicable to a future generation of WiFi standards.
  • the site can be a wireless communication chip, a wireless sensor, or a wireless communication terminal, etc., and can also be referred to as a user.
  • the site can be a mobile phone that supports WiFi communication function, a tablet computer that supports WiFi communication function, a set-top box that supports WiFi communication function, a smart TV that supports WiFi communication function, a smart wearable device that supports WiFi communication function, and WiFi communication function is supported.
  • the station can support the 802.11be standard.
  • the site can also support multiple WLAN standards of the 802.11 family such as 802.11ax, 802.11ac, 802.11n, 802.11g, 802.11b, and 802.11a.
  • the access point in the embodiment of the present application may be an HE-STA or EHT-STA, and may also be an STA applicable to a future generation of WiFi standard.
  • access points and sites can be devices used in the Internet of Vehicles, Internet of Things (IoT) nodes, sensors, etc., smart cameras, smart remote controls, smart water meters, and electricity meters in smart homes. And sensors in smart cities, etc.
  • IoT Internet of Things
  • the AP site and non-AP site in this application may also be a wireless communication device that supports multiple links to transmit in parallel, for example, called a multi-link device or multi-link device.
  • Multi-band device multi-band device. Compared with devices that only support single link transmission, multi-link devices have higher transmission efficiency and higher throughput.
  • the multi-link device includes one or more affiliated STAs (affiliated STA), and the affiliated STA is a logical station and can work on one link.
  • affiliated STA is a logical station and can work on one link.
  • the initiating end and the responding end of the OM negotiation involved in the embodiments of the present application can also be collectively referred to as a communication device, which can include a hardware structure and a software module, and is implemented in the form of a hardware structure, a software module, or a hardware structure plus a software module The above functions.
  • a communication device can include a hardware structure and a software module, and is implemented in the form of a hardware structure, a software module, or a hardware structure plus a software module The above functions.
  • One of the above-mentioned functions can be implemented in a hardware structure, a software module, or a hardware structure plus a software module.
  • FIG. 2 is a schematic structural diagram of a communication device provided by an embodiment of the application.
  • the communication device 200 may include a processor 201, a transceiver 205, and optionally a memory 202.
  • the transceiver 205 may be called a transceiver unit, a transceiver, or a transceiver circuit, etc., for implementing the transceiver function.
  • the transceiver 205 may include a receiver and a transmitter.
  • the receiver may be referred to as a receiver or a receiving circuit, etc., to implement a receiving function;
  • the transmitter may be referred to as a transmitter or a transmitting circuit, etc., to implement a transmitting function.
  • the memory 202 may store a computer program or software code or instruction 204, and the computer program or software code or instruction 204 may also be referred to as firmware.
  • the processor 201 can control the MAC layer and the PHY layer by running the computer program or software code or instruction 203 therein, or by calling the computer program or software code or instruction 204 stored in the memory 202, so as to realize the following aspects of this application.
  • the OM negotiation method provided by the embodiment.
  • the processor 201 may be a central processing unit (CPU), and the memory 302 may be, for example, a read-only memory (ROM) or a random access memory (RAM).
  • the processor 201 and the transceiver 205 described in this application can be implemented in an integrated circuit (IC), analog IC, radio frequency integrated circuit RFIC, mixed signal IC, application specific integrated circuit (ASIC), printed circuit Printed circuit board (PCB), electronic equipment, etc.
  • IC integrated circuit
  • analog IC analog IC
  • radio frequency integrated circuit RFIC radio frequency integrated circuit
  • mixed signal IC mixed signal IC
  • ASIC application specific integrated circuit
  • PCB printed circuit Printed circuit board
  • electronic equipment etc.
  • the above-mentioned communication device 200 may further include an antenna 206, and each module included in the communication device 200 is only an example for illustration, and this application is not limited thereto.
  • the communication device described in the above embodiment may be an access point or a station, but the scope of the communication device described in this application is not limited to this, and the structure of the communication device may not be limited by FIG. 2.
  • the communication device may be a stand-alone device or may be part of a larger device.
  • the implementation form of the communication device may be:
  • Independent integrated circuit IC or chip, or, chip system or subsystem
  • the IC collection may also include storage for storing data and instructions Components; (3) Modules that can be embedded in other devices; (4) Receivers, smart terminals, wireless devices, handhelds, mobile units, vehicle-mounted devices, cloud devices, artificial intelligence devices, etc.; (5) Others, etc. .
  • the implementation form of the communication device is a chip or a chip system
  • the chip shown in FIG. 3 includes a processor 301 and an interface 302.
  • the number of processors 301 may be one or more, and the number of interfaces 302 may be more than one.
  • the chip or chip system may include a memory 303.
  • the initiator and responder of the OM negotiation in this application can be an access point (AP) type station, or a non-access point station (none access point station, non-AP STA). );
  • the access point or station in this application may be a multi-link device (MLD).
  • MLD multi-link device
  • At least one means one or more
  • Multiple means two or more.
  • A/B can indicate A or B.
  • Media access control protocol data unit (medium access control protocol data unit, MPDU)
  • the MPDU includes a frame header, a frame body, and a frame check sequence.
  • the frame header includes frame control, corresponding address information and sequence control information, etc.; the frame body carries Data or management and control information passed by the upper layer; frame check is used to check whether the MPDU is transmitted correctly.
  • the sender can transmit control information.
  • high-efficiency variants of the high-throughput control field include high-throughput variants, very high-throughput variants, and high-efficiency variants, and the A-control subfield is carried in this high-efficiency variant.
  • the A-control subfield uses a structure of one or more control identifiers plus control information to carry one or more control information. Its frame structure design is shown in Figure 5, where the control identifier is used to indicate the type of control information.
  • the OMI initiator can negotiate the operating mode with the OMI responder, so that the initiator and the responder can communicate in different operating modes more flexibly according to different channel environments and conditions. For example, in the 802.11ax standard, the OMI on channel bandwidth is designed.
  • the main process is as follows: The OMI initiator sends a MAC frame with the OM control subfield to the OMI responder.
  • the frame structure of the OM control subfield is shown in Figure 6.
  • the OM control subfield is carried in the A-control subfield, where the channel bandwidth is used to indicate the channel bandwidth of the PPDU sent or received by the OMI initiator; the OMI responder receives the OMI sent by the OMI initiator After controlling the MAC frame of the subfield, the confirmation frame is returned; the subsequent two parties communicate according to the negotiated OM.
  • PPDU includes the traditional short training field (Legacy Short Training Field, L-STF), the traditional long training field (Legacy Long Training Field, L-LTF), the traditional signaling field (Legacy Signal Field, L-SIG), Repeating traditional signaling fields (RL-SIG), universal signaling fields U-SIG (universal SIG, U-SIG), ultra-high throughput signaling fields, or extremely high throughput signaling fields (extremely high throughput, EHT-SIG) ), EHT short training field (EHT-STF), EHT long training field (EHT-LTF) and data (data).
  • L-STF, L-LTF, L-SIG, RL-SIG, U-SIG, EHT-SIG, EHT-STF, EHT-LTF are part of the structure in the preamble of the PPDU.
  • L-STF, L-LTF, and L-SIG can be understood as traditional preamble fields to ensure the coexistence of new equipment with traditional equipment.
  • RL-SIG is used to enhance the reliability of traditional signaling fields.
  • U-SIG and EHT-SIG are signaling fields.
  • U-SIG is used to carry some common information, such as information indicating the PPDU version, information indicating the uplink/downlink, information indicating the frequency domain bandwidth of the PPDU, and puncturing indication information.
  • the EHT-SIG includes information indicating resource allocation and information indicating data demodulation.
  • the field in the PPDU in the 802.11be scenario is used as an example for description.
  • the fields in the PPDU mentioned in the embodiments of this application are not limited to fields related to 802.11be, and the fields in the PPDU mentioned in the embodiments of this application may also be fields related to standard versions after 802.11be.
  • the high efficiency signal B (HE-SIG-B) in the PPDU uses 20 MHz as a bandwidth unit to transmit signaling information.
  • the bandwidth is greater than 20MHz, in order to take into account both the efficiency and the complexity of the receiving end, two CCs are introduced, namely CC1 and CC2.
  • the receiving end needs to receive at least one CC1 and at least one CC2 at the same time to obtain the required demodulation of the subsequent data. Signaling message.
  • the 20MHz with the lowest frequency of HE-SIG-B and the 20MHz with the highest frequency of HE-SIG-B will carry the information of CC1 and CC2 in turn; when the bandwidth is 80MHz, HE-SIG-B goes from the lowest frequency to the highest frequency 20Mhz, it will carry the information of CC1, CC2, CC1, CC2 in turn; when the bandwidth is 160MHz, HE-SIG-B will carry CC1, CC2, CC1, CC2, from the lowest frequency to the highest frequency 20Mhz, CC1, CC2 information.
  • the EHT-SIG in the PPDU may continue to use 20Mhz as the bandwidth unit for signaling information transmission, or may use other granular bandwidth units for signaling information transmission.
  • EHT-SIG may continue to use the two-CC mode for signaling information transmission, it may also use the four-CC mode for signaling information transmission, or it may use the 1-CC mode for signaling information transmission. It is also possible to use multiple CCs but each CC transmits the same or similar signaling information mode.
  • This application relates to a method for negotiating operation modes and corresponding devices. Specifically, in one implementation manner, this application implements a preamble puncturing bandwidth operation mode (Operation Mode, OM) negotiation method and corresponding device; in another implementation manner, this application implements a A method and corresponding device for negotiating an operating mode of channel bandwidth; in yet another implementation manner, this application implements a method and corresponding device for jointly negotiating an operating mode of channel bandwidth and preamble puncturing bandwidth; yet another In the implementation manner, this application implements a content channel (CC) mode operation mode negotiation method and corresponding device; in another implementation manner, this application implements an operation of the receiving position of the signaling field Mode negotiation method and corresponding device; in yet another implementation manner, the present application implements a negotiation method and corresponding device that combine the content channel mode and the operation mode of the receiving position of the signaling field.
  • CC content channel
  • the present application implements a negotiation method and corresponding device that combine the content channel mode and the operation mode of the receiving position of the signaling field.
  • the initiator and responder of the OM negotiation involved in the embodiments of the present application are specific to the OM negotiation process.
  • the initiator that actively initiates the OM negotiation is called the initiator, and the responder that responds to the OM negotiation is called the responder.
  • the sending end and the receiving end are for the transmission process.
  • the party sending the data is the sending end, and the party receiving the data is the receiving end.
  • the initiating end of OM negotiation can be the sending end of communication transmission or the receiving end of communication transmission; the response end of OM negotiation can be the sending end of communication transmission or the responding end of communication transmission.
  • a technology for negotiating the preamble puncturing bandwidth OM is mainly described.
  • the technology uses the initiator to semi-statically indicate the preamble puncturing bandwidth OM supported by the responder, which is better. Weigh throughput and power consumption/complexity.
  • the preamble puncturing bandwidth OM negotiation technology includes:
  • step 800 the initiator sends an OMI to the responder.
  • the OMI includes a preamble puncturing bandwidth indicator; the preamble puncturing bandwidth indicator is used to indicate the bandwidth range of the signaling field; the signaling field carries at least one copy for demodulation All the signaling information required for the data in the PPDU; specifically, step 800 can be performed by the transceiver 205 as shown in FIG. 2;
  • the signaling field is in units of 20Mhz, divided into two content channels and carried on 80Mhz, and the mode is CC1-CC2-CC1-CC2; then CC1 and CC2 carried on the main 40Mhz carry a copy for demodulation of PPDU
  • the initiator of the OMI negotiation can send the preamble puncturing bandwidth indication to the responder, indicating that the bandwidth range of the signaling field is 40Mhz. Of course, it can also indicate the bandwidth range of the signaling field. It is 80Mhz. At this time, 80Mhz carries two copies of all the signaling information needed to demodulate the data in the PPDU.
  • Step 810 the responder receives the OMI, and parses the preamble puncturing bandwidth indication from it; optionally, the responder replies with a confirmation frame; specifically, step 810 can receive the OMI or reply through the transceiver 205 as shown in FIG. 2
  • the confirmation frame the OMI is parsed by the processor 201 as shown in FIG. 2 and the preamble puncturing bandwidth indication is obtained;
  • Step 820 the initiator and the responder transmit PPDUs according to the OMI; specifically, step 820 may be performed by the transceiver 205 in FIG. 2.
  • the preamble puncturing reception bandwidth indicator is used to indicate the bandwidth range of the receiving signaling field when used as the receiving end of the transmission PPDU. It means that at least one copy can be received or read in this bandwidth range.
  • the signaling fields of all the signaling information required to demodulate the data in the PPDU do not exclude the information of the signaling fields. In addition to the bandwidth range, it is also carried in other bandwidth ranges.
  • the information of the signaling fields corresponding to CC1 and CC2 can be received on the main 40Mhz; but it is not excluded from the bandwidth range of 40Mhz, and in other bandwidth ranges, you can also receive the information of the copied and backup signaling fields. For example, when CC1 and CC2 are repeatedly sent from 40Mhz, CC1 and CC2 can also be received from 40Mhz.
  • All the signaling information needed to demodulate the data in the PPDU here refers to CC1+CC2.
  • CC1+CC2+CC3+CC4 Calculate one copy of all the signaling information needed to demodulate the data in the PPDU; for CC1-CC1-CC1-CC1, one CC1 calculates one copy of all the signaling information needed to demodulate the data in the PPDU.
  • the preamble puncturing transmission bandwidth indicator is used to indicate the bandwidth range of the signaling field when used as the transmitting end of the PPDU transmission. It means that at least one copy of the data used to demodulate the PPDU is sent within the bandwidth range.
  • the signaling fields corresponding to all the required signaling information for example, the content of the signaling fields corresponding to CC1 and CC2 are sent on the main 40Mhz; that is, the preamble puncturing transmission bandwidth indicator is used to indicate the initiator of the OMI negotiation, as a PPDU At least one piece of all signaling information required to demodulate the data in the PPDU will not exceed the bandwidth range of 40Mhz indicated by the preamble puncturing transmission bandwidth indicator.
  • the receiving end of the PPDU Can receive or read at least one copy of all the information needed to demodulate the data in the PPDU in the bandwidth range of 40Mhz; but it does not rule out that it is outside the bandwidth range, and the copy is also sent in other bandwidth ranges
  • the content of the backed-up signaling field for example, repeatedly sending CC1 and CC2 from 40Mhz; or sending the content of the signaling field that needs to be received by other responders in other bandwidth ranges.
  • the preamble puncturing bandwidth indication includes at least one of a preamble puncturing reception bandwidth indication and a preamble puncturing transmission bandwidth indication; wherein the preamble puncturing reception bandwidth indication is used to indicate that the receiving end of the PPDU can read
  • the preamble puncturing transmission bandwidth indicator is used to instruct the sender of the PPDU to send all the information required to demodulate the data in the PPDU Let the bandwidth range occupied by the signaling field corresponding to the information.
  • the signaling field here includes but is not limited to the EHT-SIG field.
  • the preamble puncturing reception bandwidth indicator is 2 bits, which can be used to indicate any of the 40MHz, 80MHz, and 160MHz bandwidths; similarly, the preamble puncturing transmission bandwidth indicator is 2 bits, which can be used To indicate any of the bandwidths of 40MHz, 80MHz, and 160MHz.
  • the corresponding preamble puncturing reception bandwidth is 40MHz, which means that the bandwidth range of the signaling field that needs to be read by the receiving end for PPDU transmission must not exceed 40MHz;
  • the corresponding preamble puncturing reception bandwidth is 80MHz, which means that the bandwidth range of the signaling field that needs to be read by the receiving end for PPDU transmission must not exceed 80MHz;
  • the index of the code puncturing reception bandwidth indicator is 10
  • the corresponding preamble puncturing reception bandwidth is 160MHz, which means that the bandwidth range of the signaling field that needs to be read by the receiving end for PPDU transmission must not exceed 160MHz; the current preamble puncturing reception When the index of the bandwidth indicator is 11, it is temporarily reserved.
  • the indication mode of the preamble puncturing transmission field is similar to the indication mode of the foregoing preamble puncturing reception field, and will not be repeated here. It should be understood that Table 1 is only an illustration of the corresponding relationship between the index and the indicated bandwidth, and the indication manner provided in the embodiment of the present application has other combinations or variations, and no examples are given here.
  • the preamble puncturing reception bandwidth indicator is 1 bit, which can be used to indicate any of the 80MHz and 160MHz bandwidths; similarly, the preamble puncturing transmission bandwidth indicator is 1 bit, which can be used to indicate either 80MHz or 160MHz bandwidth. Indicates either of 80MHz or 160MHz bandwidth.
  • the corresponding preamble puncturing reception bandwidth is 80MHz, which means that the bandwidth range of the signaling field that the receiver needs to read for PPDU transmission must not exceed 80MHz; when the index of the current preamble puncturing reception bandwidth indicator is 1, its corresponding preamble puncturing reception bandwidth is 160MHz, which means that the bandwidth range of the signaling field that the receiving end needs to read for PPDU transmission must not exceed 160MHz.
  • the indication mode of the preamble puncturing transmission field is similar to the indication mode of the foregoing preamble puncturing reception field, and will not be repeated here. Compared with the aforementioned 2-bit indication mode, this indication mode only requires 1 bit, which reduces the indication overhead. It should be understood that Table 2 is only an illustration of the corresponding relationship between the index and the indicated bandwidth, and the indication method provided in the embodiment of the present application has other combinations or variations, and no examples are given here.
  • the OMI containing the preamble puncturing bandwidth indication is carried in the Aggregated Control (A-control) subfield.
  • the A-control subfield contains at least one control subfield.
  • the field (indicated as control subfield 2 in the figure) is used to carry the preamble puncturing bandwidth indication information.
  • the control subfield contains a control identifier (identifier, ID) and control information.
  • the control ID can be one of the reserved control IDs, as in Table 3, the control ID value is one of 7-14.
  • the subfield corresponding to the control ID value of 10 is defined as the preamble puncturing bandwidth indicator ;
  • the control information contains at least one of the preamble puncturing reception bandwidth indication and the preamble puncturing transmission bandwidth indication.
  • the OMI including the preamble puncturing bandwidth indication is carried in the management frame, as shown in FIG. 10, and is specifically carried in the EHT operation element.
  • the initiating end may use the form of broadcast to notify the OMI together for multiple responding ends.
  • Next-generation standards support a more flexible preamble puncturing method.
  • the 802.11be standard allows the receiving end of the PPDU to pass its corresponding main 160MHz Obtain content channel 1 (content channel 1, CC1) and content channel 2 (content channel 2, CC2) on the (primary 160, P160) channel.
  • Table 4 shows the bandwidth indication field in the 802.11ax standard. This indication method can only support obtaining CC1 and CC2 from the P80 at most. Therefore, in some scenarios, this indication method cannot support preamble puncturing, as shown in Figure 11.
  • Table 5 shows a possible bandwidth indication field in the 802.11be standard.
  • the bandwidth indication field is more diverse and flexible.
  • the bandwidth field is 0, 1, 2, 3, 4, 6, and 8.
  • the entire channel bandwidth is not punctured or the puncturing is not in the first 40Mhz, so CC1 and CC2 are received only in the first 40MHz; at this time, the preamble puncturing reception/transmission bandwidth indication indicates the bandwidth range It can be 40Mhz or more.
  • the conditions indicated by the bandwidth field of 5, 7, and 9 require an 80 MHz preamble puncturing bandwidth mode; at this time, the bandwidth range indicated by the preamble puncturing reception/transmission bandwidth indicator can be 80 MHz or more.
  • the conditions indicated by the bandwidth field as 11, 12, 13, and 14 require a 160MHz preamble puncturing bandwidth mode.
  • the 160MHz can still be indicated to the responder.
  • the bandwidth field 11 can be used to indicate the 160MHz puncturing mode, P80 only contains the content channel contained in P20 (S20 in P40 and S20 in S40 are punctured), and another content The channel is in the lower frequency channel in S80; for another example, the bandwidth field 12 can indicate that in 160MHz puncturing mode, P80 only has the content channel contained in P20, and the other content channel is in the higher frequency channel in S80.
  • the bandwidth range indicated by the preamble puncturing reception/transmission bandwidth indication may be 160Mhz or above.
  • the bandwidth indication shown in Table 5a can support more flexible puncturing modes and larger transmission bandwidth.
  • Table 5a A possible bandwidth indication field in the 802.11be standard
  • the channel bandwidth of the PPDU and the preamble puncturing information can be separately indicated.
  • Table 5b separately shows the preamble puncturing indicated by the preamble puncturing indication field.
  • Table 5b A possible preamble puncturing indication field in the 802.11be standard
  • Table 5c Another possible preamble puncturing indication field in the 802.11be standard
  • a possible preamble puncturing indication field in another 802.11be standard and later standards is described, as shown in Table 5c, where X indicates that a certain 20MHz subchannel is punctured, and 1 indicates a certain The 20MHz channel is not punctured, and Y indicates that a certain 20MHz channel can be punctured or unpunctured. In the case of a bandwidth of 80MHz, 4 Ys do not exist.
  • the conditions indicated by the bandwidth field of 0, 3, 4, and 6 require a 40MHz preamble puncturing bandwidth mode, that is, CC1 and CC2 can be received only on a 40MHz bandwidth; at this time, the preamble puncturing reception/
  • the bandwidth range indicated by the sending bandwidth indication may be 40 MHz or above.
  • the conditions indicated by the bandwidth field of 1, 2, 5, 7 require 80MHz preamble puncturing bandwidth mode, that is, CC1 and CC2 can be received only on the 80MHz bandwidth; at this time, the preamble puncturing reception/transmission bandwidth
  • the indicated bandwidth range can be 80MHz or above.
  • the 160MHz preamble puncturing bandwidth mode is required, that is, CC1 and CC2 need to be received on the 160MHz bandwidth; at this time, the preamble puncturing reception/transmission bandwidth indication is required
  • the indicated bandwidth range can be 160MHz or above.
  • the OMI indicates the preamble puncturing receiving bandwidth indication and the preamble puncturing sending bandwidth indication. At least one of the following, so that the responding end of the OM negotiation can receive the bandwidth indication by puncturing the preamble and sending the bandwidth indication according to the preamble puncturing, and only receive and parse the signaling field from the corresponding bandwidth range, and does not need to receive from the entire channel bandwidth.
  • the signaling field is parsed together, which improves the efficiency of parsing the signaling field, and further improves the transmission throughput and rate. This solves the problem of reduced transmission throughput and rate caused by the non-supporting flexible channel bandwidth puncturing mode in 802.11ax.
  • the OM negotiation technology can also be used to negotiate channel bandwidth. That is, in addition to indicating the preamble puncturing bandwidth, the OMI further indicates the channel bandwidth for transmitting the PPDU.
  • a channel bandwidth OM negotiation technology is mainly described. This technology is applicable to the next-generation 802.11be standard. This technology can support indicating a larger channel bandwidth, such as indicating a channel bandwidth exceeding 160 MHz.
  • the channel bandwidth OM negotiation technology includes:
  • Step 1200 the initiator sends an OMI to the responder, and the OMI includes a channel bandwidth indicator; the channel bandwidth indicator is used to indicate the range of the entire channel bandwidth for transmitting PPDUs; specifically, step 1200 can be performed by the transceiver 205 in FIG. 2;
  • Step 1210 the responder receives the OMI and parses the channel bandwidth indication from it; optionally, the responder replies with a confirmation frame; specifically, step 1210 can receive the OMI or reply with the confirmation frame through the transceiver 205 as shown in FIG. 2, Parse the OMI through the processor 201 in FIG. 2 and obtain the channel bandwidth indication;
  • Step 1220 the initiator and the responder transmit PPDUs according to the OMI; specifically, step 1220 can be performed by the transceiver 205 in FIG. 2.
  • the OMI containing the channel bandwidth indication is carried in the Aggregated Control (A-control) subfield, as shown in FIG. 13, the A-control subfield contains at least one control subfield (FIG. Denoted as control subfield 2) is used to carry channel bandwidth indication information.
  • the control subfield contains a control identifier (identifier, ID) and control information.
  • the control ID can be one of the reserved control IDs.
  • the control ID value in Table 3 is one of 7-14; the control information includes a channel bandwidth indication.
  • the OMI including the channel bandwidth indication is carried in the management frame, as shown in FIG. 14, and is specifically carried in the EHT operation element.
  • the initiating end may use the form of broadcast to notify the OMI together for multiple responding ends.
  • the channel bandwidth OM negotiation method can indicate the channel bandwidth for transmitting PPDUs through 3 bits, and the indicated channel bandwidths are 20MHz, 40MHz, 80MHz, 160MHz, 240MHz, and 320MHz. Compared with the channel bandwidth indicator in the 802.11ax standard, the indicator for 240MHz and 320MHz channel bandwidth has been increased, and the throughput of transmitting PPDUs has been increased.
  • a joint negotiation method of channel bandwidth OM and preamble puncturing bandwidth OM is mainly described. This method combines the preamble puncturing bandwidth negotiation method in the first embodiment and the channel bandwidth negotiation method in the second embodiment. , The use of the feature that the preamble puncturing bandwidth does not exceed the channel bandwidth, saves a lot of items wasted by unnecessary combinations, saves bit values, and reduces indication overhead.
  • the joint negotiation method of channel bandwidth OM and preamble puncturing bandwidth OM provided in this application includes:
  • step 1500 the initiator sends an OMI to the responder.
  • the OMI includes a joint indication for jointly indicating the channel bandwidth and the preamble puncturing bandwidth; the OMI is used to jointly indicate the range of the entire channel bandwidth for transmitting PPDUs and the information that bears the signaling field.
  • Bandwidth range specifically, step 1500 can be performed by the transceiver 205 as shown in FIG. 2;
  • Step 1510 the responder receives the OMI, and parses the joint indication of the channel bandwidth and the preamble puncturing bandwidth from it; the optional responder replies with an acknowledgment frame; specifically, step 1210 can be performed by the transceiver 205 as shown in FIG. 2 Receiving the OMI or reply confirmation frame, parse the OMI through the processor 201 as shown in FIG. 2 and obtain a joint indication of the channel bandwidth and the preamble puncturing bandwidth;
  • Step 1520 the initiator and the responder transmit PPDUs according to the OMI; specifically, step 1520 can be performed by the transceiver 205 in FIG. 2.
  • the OMI containing the joint indication of the channel bandwidth and the preamble puncturing bandwidth is carried in the Aggregated Control (A-control) subfield, as shown in FIG. 16, in the A-control subfield
  • At least one control subfield (indicated as control subfield 2 in the figure) is used to carry the joint indication information of the channel bandwidth and the preamble puncturing bandwidth.
  • the control subfield contains a control identifier (ID) and control information.
  • the control ID can be one of the reserved control IDs.
  • the control ID value in Table 3 is one of 7-14; the control information includes a joint indication of the channel bandwidth and the preamble puncturing bandwidth.
  • the OMI including the joint indication of the channel bandwidth and the preamble puncturing bandwidth is carried in the management frame, as shown in FIG. 17, and is specifically carried in the EHT operation element.
  • the initiating end may use the form of broadcast to notify the OMI together for multiple responding ends.
  • the joint OM negotiation method of the channel bandwidth and the preamble puncturing bandwidth may use 3 bits to jointly indicate the channel bandwidth and the preamble puncturing bandwidth for transmitting PPDUs.
  • the channel bandwidth is 20MHz, and the preamble puncturing bandwidth is 20MHz;
  • the channel bandwidth is 40MHz, and the preamble puncturing bandwidth is 40MHz;
  • the channel bandwidth is 80MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 160MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 240MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 240MHz, and the preamble puncturing bandwidth is 160MHz;
  • the channel bandwidth is 320MHz, and the preamble puncturing bandwidth is 80MHz;
  • the channel bandwidth is 320MHz, and the preamble puncturing bandwidth is 160MHz.
  • Table 7 can be split into Table 8 and Table 9, respectively indicating the combination of channel bandwidth and preamble puncturing reception bandwidth, and the combination of channel bandwidth and preamble puncturing transmission bandwidth, and the same channel
  • the preamble puncturing reception bandwidth and the preamble transmission bandwidth corresponding to the bandwidth may be different.
  • the joint OM negotiation method of channel bandwidth and preamble puncturing reception bandwidth can use 3 bits to jointly indicate the channel bandwidth for transmitting PPDU and the preamble puncturing reception bandwidth; similarly, as shown in Table 9
  • the joint OM negotiation method of channel bandwidth and preamble puncturing transmission bandwidth can jointly indicate the channel bandwidth for transmitting PPDU and the preamble puncturing transmission bandwidth through 3 bits.
  • the channel bandwidth can be matched with the same or different preamble puncturing reception bandwidth and preamble puncturing transmission bandwidth. For example, when the channel bandwidth is 240MHz and the preamble puncturing reception bandwidth is 80MHz, in this case, the preamble puncturing The transmission bandwidth can be 80MHz or 160MHz.
  • Table 7 Channel bandwidth and preamble puncturing bandwidth
  • Table 8 Channel bandwidth and preamble puncturing reception bandwidth
  • Table 9 Channel bandwidth and preamble puncturing transmission bandwidth
  • a method for negotiating the content channel mode OM is mainly described.
  • the method is used to indicate the content channel mode of the transmission signaling field.
  • the channel bandwidth OM negotiation method includes:
  • step 1800 the initiator sends OMI to the responder, and the OMI includes a content channel mode indicator; the content channel mode indicator is used to indicate the content channel mode of the signaling field; specifically, step 1800 can be performed through the transceiver 205 in FIG. 2 implement;
  • Step 1810 the responder receives the OMI and parses the content channel mode indication from it; optionally, the responder replies with a confirmation frame; specifically, step 1810 can receive the OMI or reply with the confirmation frame through the transceiver 205 as shown in FIG. 2 , Parse the OMI through the processor 201 in FIG. 2 and obtain the content channel mode indication;
  • Step 1820 the initiator and the responder transmit PPDUs according to the OMI; specifically, step 1820 can be performed by the transceiver 205 in FIG. 2.
  • the OMI containing the content channel mode indication is carried in the Aggregated Control (A-control) subfield.
  • the A-control subfield contains at least one control subfield ( In the figure, the control subfield 2) is used to carry content channel mode indication information.
  • the control subfield contains a control identifier (identifier, ID) and control information.
  • the control ID can be one of the reserved control IDs.
  • the control ID value in Table 3 is one of 7-14; the control information contains the content channel mode indication.
  • the OMI including the content channel mode indication is carried in the management frame, as shown in FIG. 20, and is specifically carried in the EHT operation element.
  • the initiating end may use the form of broadcast to notify the OMI together for multiple responding ends.
  • the content channel mode negotiation method can indicate different content channel modes through 2 bits. Specifically: when the index is 00, the content channel mode indicated by it is parity content The channels alternately carry two different signaling information. Taking 4 content channels as an example, the 4 content channels alternately carry two different signaling information, expressed as: first content channel-second content channel-first content channel -The second content channel, abbreviated as CC1-CC2-CC1-CC2, or 1-2-1-2, means that EHT-SIG will carry CC1, CC2, CC1, CC2 in turn from the lowest frequency to the highest frequency 20MHz, and Copy it in this order; when the index is 01, the indicated content channel mode is that multiple content channels carry two different signaling information in sequence, for example, a high-frequency content channel carries one type of signaling information, and a low-frequency content channel carries Another type of signaling information; taking 4 content channels as an example, after carrying one type of signaling information, another type of signaling information is carried, which is expressed as:
  • the 4 content channels carry different signaling information in sequence.
  • Signaling information After carrying one type of signaling information, another type of signaling information is carried, which is expressed as: the first content channel-the second content channel-the third content channel-the fourth content channel, referred to as CC1-CC2-CC3-CC4 , Or 1-2-3-4, which means that EHT-SIG will carry CC1, CC2, CC3, and CC4 from the lowest frequency to the highest frequency 20MHz, and copy them in this order; when the index is 11, all The indicated content channel mode is reserved or the signaling information carried by multiple content channels is the same, or only a different form or mathematical transformation of the same signaling information.
  • the signaling information carried by the 4 content channels is the same, expressed as the first content channel-the first content channel-the first content channel-the first content channel, referred to as 1-1-1-1 -Or 1A-1B-1C-1D, when the content mode is 1A-1B-1C-1D, it means that EHT-SIG carries CC1 from the lowest frequency to the highest frequency 20MHz, which means that the channel carries the same meaning
  • the same or similar signaling information is transmitted on the content channel, but with different deformations or mathematical processing.
  • the content channel mode supported by the content channel mode indication method in this embodiment is more diverse and flexible.
  • the 1-2-1-2 mode requires a bandwidth of at least 40MHz to obtain CC1 and CC2, thereby obtaining all the signaling information needed to demodulate the subsequent data, while the 1-1-1-1 mode only needs All signaling information can be obtained with a bandwidth of 20 MHz.
  • the content channel mode indication method of the embodiment of the present application can improve the efficiency of parsing signaling fields, thereby further improving the transmission throughput and rate; for another example, For the 1-2-1-2 mode, if the second and fourth 20MHz channels are punctured, CC2 cannot be obtained from the P80, so complete signaling information cannot be obtained. For 1-1-2 -2 mode, even if the second and fourth 20MHz channels are punctured, CC1 and CC2 can still be obtained from the first and third 20MHz channels respectively.
  • the more flexible content channel mode can support more flexible Preamble puncturing method; another example, if there is no clear content channel mode indication information, when the real content channel mode is 11-2-2, the receiving end still reads in the way of 1-2-1-2
  • the signaling field that is, only reading the signaling field of the first 40 MHz channel, CC2 cannot be received, and subsequent data is erroneously demodulated.
  • the content channel mode indication in this embodiment can avoid this.
  • a method for negotiating the receiving position OM of the signaling field is mainly described.
  • the method is used to indicate the receiving position of the signaling field that the responding end needs to read.
  • the signaling field includes, but is not limited to, EHT-SIG Field, in this embodiment, EHT-SIG is taken as an example for illustration.
  • the signaling field receiving position OM indication method includes:
  • Step 2100 the initiator sends OMI to the responder, and the OMI includes the EHT-SIG receiving position indicator; the EHT-SIG receiving position indicator is used to indicate the receiving position of the EHT-SIG; specifically, step 2100 can be through the sending and receiving as shown in Figure 2. ⁇ 205 execution;
  • Step 2110 the responder receives the OMI, and parses the EHT-SIG reception location indication from it; optionally, the responder replies with a confirmation frame; specifically, step 2110 can receive the OMI or reply through the transceiver 205 as shown in Figure 2
  • the confirmation frame the OMI is parsed by the processor 201 as shown in FIG. 2 and the EHT-SIG receiving position indication is obtained;
  • Step 2120 the initiator and the responder transmit PPDUs according to the OMI; specifically, step 2120 can be performed by the transceiver 205 in FIG. 2.
  • the OMI containing the EHT-SIG receiving location is carried in the Aggregated Control (A-control) subfield.
  • the A-control subfield includes at least one control subfield. (Indicated as control subfield 2 in the figure) It is used to carry the indication information of the receiving position of the EHT-SIG.
  • the control subfield contains a control identifier (identifier, ID) and control information.
  • the control ID can be one of the reserved control IDs.
  • the control ID value in Table 3 is one of 7-14; the control information includes the EHT-SIG receiving position indication.
  • the OMI including the receiving position of the EHT-SIG is carried in the management frame, as shown in FIG. 20, and is specifically carried in the EHT operation element.
  • the initiating end may use the form of broadcast to notify the OMI together for multiple responding ends.
  • the EHT-SIG receiving position indication mode can indicate different receiving positions by using 2 bits. Specifically: when the index is 00, the indicated EHT-SIG receiving position It is the lowest frequency 80MHz, which means that the responding end receives EHT-SIG on the lowest frequency 80MHz; when the index is 01, the receiving position of the EHT-SIG indicated by it is the second lowest frequency 80MHz, which means that the responding end is the second lowest frequency EHT-SIG is received at 80MHz of frequency; when the index is 10, the receiving position of EHT-SIG indicated by it is 80MHz with the second highest frequency, which means that the responding end receives EHT-SIG at 80MHz with the second highest frequency; when the index is 11 When the receiving position of the EHT-SIG indicated by it is the highest frequency 80MHz, it means that the responding end receives the EHT-SIG on the highest frequency 80MHz.
  • the first two indexes in Table 7 can be used to indicate two 80MHz; when the PPDU bandwidth is 240Mhz, the first three indexes in Table 7 can be used to indicate three 80MHz respectively; When the PPDU bandwidth is 320Mhz, the four indexes in Table 7 can be used to indicate four 80MHz respectively.
  • the signaling field receiving position OM negotiation in this embodiment can more specifically instruct the responder to receive the signaling field on a certain 80MHz channel, for example, If the preamble puncturing bandwidth OM negotiation in the first embodiment is used, when the current preamble puncturing bandwidth is indicated as 160MHz, the responder may need to receive and parse the signaling field on the entire 160MHz channel bandwidth; similarly, in this implementation In the example, the responder only needs to receive and parse the signaling field on one of the 80MHz channel bandwidth with the lowest frequency or the 80MHz channel bandwidth with the second lowest frequency, which improves the efficiency of parsing the signaling field and further improves the transmission throughput and rate. .
  • a method for joint negotiation of content channel mode OM and signaling field receiving position OM is mainly described. This method enables the transceiver to design different operation modes for different channel environments, and improves channel utilization.
  • the signaling field includes but is not limited to the EHT-SIG field.
  • EHT-SIG is taken as an example for illustration.
  • Step 2200 The initiator sends an OMI to the responder through a non-high throughput (Non-HT) copied PPDU format.
  • the OMI includes a content channel mode indicator and an EHT-SIG receiving position indicator; the content channel mode indicator is used for Indicate the content channel mode of EHT-SIG transmission; the EHT-SIG receiving position indicator is used to indicate the receiving position of EHT-SIG; specifically, step 2200 can be performed by the transceiver 205 as shown in FIG. 2;
  • Step 2210 the responder receives the OMI, and parses the content channel mode indication and the EHT-SIG receiving position indication from it; optionally, the responder replies with a confirmation frame; specifically, step 2210 can be through the transceiver 205 as shown in FIG. 2
  • the processor 201 as shown in FIG. 2 parses the OMI and obtains the content channel mode indication and the EHT-SIG receiving position indication;
  • Step 2220 the initiator and the responder transmit PPDUs according to the OMI; specifically, step 2220 can be performed by the transceiver 205 in FIG. 2.
  • the initiator sends the content channel mode and the EHT-SIG receiving position OM to the responder 1 (denoted as STA1 in the figure) and the responder 2 (denoted as STA2 in the figure) at the same time, where
  • the content channel mode indicated to the responder 1 is the 1-2-1-2 mode corresponding to the index number 00
  • the content channel mode indicated to the responder 2 is the 1-1-2-2 mode corresponding to the index number 01.
  • the initiator Using non-HT replication, the content channel mode and EHT-SIG receiving position OM are transmitted on channels 1-5 and 7, and channels 6 and 8 are punctured.
  • the EHT-SIG receiving position indicated by the initiator to the responder 1 is the first 80 MHz
  • the EHT-SIG receiving position indicated by the initiator to the responder 2 is the second 80 MHz.
  • the responder 1 receives the EHT-SIG on the first 80MHz, that is, receives the EHT-SIG on the lowest frequency 80MHz
  • the responder 2 receives the EHT-SIG on the second 80MHz, that is, The EHT-SIG is received on the next lowest frequency 80MHz.
  • the responder 2 can obtain CC1 and CC2 within the first 80 MHz. It can be seen that the joint negotiation method of the content channel mode OM and the signaling field receiving position OM in this embodiment enables the transceiver to flexibly design different operation modes for different channel environments, and maximizes the channel utilization rate.
  • the processor may be a general-purpose processor, a digital signal processor, an application specific integrated circuit, a field programmable gate array or other programmable logic device, a discrete gate or transistor logic device, or a discrete hardware component, which may implement or Perform the methods, steps, and logic block diagrams disclosed in the embodiments of the present application.
  • the general-purpose processor may be a microprocessor or any conventional processor or the like.
  • the steps of the method disclosed in combination with the embodiments of the present application may be directly embodied as being executed and completed by a hardware processor, or executed and completed by a combination of hardware and software modules in the processor.
  • the memory may be a non-volatile memory, such as a hard disk drive (HDD) or a solid-state drive (SSD), etc., or a volatile memory (volatile memory), for example Random-access memory (random-access memory, RAM).
  • the memory is any other medium that can be used to carry or store desired program codes in the form of instructions or data structures and that can be accessed by a computer, but is not limited to this.
  • the memory in the embodiments of the present application may also be a circuit or any other device capable of realizing a storage function, for storing program instructions and/or data.
  • the computer program product includes one or more computer instructions.
  • the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
  • the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium. For example, the computer instructions may be transmitted from a website, computer, server, or data center.
  • the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server or a data center integrated with one or more available media.
  • the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a high-density digital video disc (digital video disc, DVD)), or a semiconductor medium (for example, a solid state disk, SSD)) etc.

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Abstract

Un procédé de négociation pour un mode de fonctionnement, et un dispositif et un système de puce sont décrits. L'invention concerne un procédé de négociation de mode de fonctionnement. Le procédé consiste : à envoyer, par une extrémité d'initiation, une indication de mode de fonctionnement (OMI), l'OMI comprenant une indication de largeur de bande poinçonnée de préambule, l'indication de largeur de bande poinçonnée de préambule étant utilisée pour indiquer une plage de bande passante permettant de prendre en charge un champ de signalisation, et le champ de signalisation contenant au moins toutes les informations de signalisation requises pour démoduler des données dans une unité de données de protocole physique (PPDU) ; et à effectuer ensuite, par l'extrémité d'initiation, une transmission PPDU avec une extrémité de réponse en fonction de la plage de bande passante indiquée par l'indication de largeur de bande poinçonnée de préambule. Au moyen du procédé, une extrémité d'initiation indique, de manière semi-statique, un mode de fonctionnement de bande passante poinçonnée de préambule (OM) pris en charge par une extrémité de réponse, de telle sorte que le débit et la consommation/complexité de puissance sont mieux équilibrés. L'invention concerne en outre un mode de canal de contenu OM, et un procédé de négociation de position de réception de champ de signalisation OM.
PCT/CN2021/092816 2020-05-09 2021-05-10 Procédé et appareil de négociation pour mode de fonctionnement, et puce WO2021228046A1 (fr)

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CN109315012A (zh) * 2016-06-15 2019-02-05 高通股份有限公司 针对多个用户的全带宽多播指示
WO2019152240A1 (fr) * 2018-01-30 2019-08-08 Qualcomm Incorporated Multiplexage de clients dans des transmissions de réseau local sans fil

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EP3340713B1 (fr) * 2015-08-21 2023-01-18 LG Electronics Inc. Procédé et dispositif de transmission de données dans un système de communication sans fil
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CN108432173A (zh) * 2015-12-21 2018-08-21 高通股份有限公司 用于高效无线局域网的前导设计方面
CN109315012A (zh) * 2016-06-15 2019-02-05 高通股份有限公司 针对多个用户的全带宽多播指示
WO2019152240A1 (fr) * 2018-01-30 2019-08-08 Qualcomm Incorporated Multiplexage de clients dans des transmissions de réseau local sans fil

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