WO2026007120A1 - 通信方法、设备以及存储介质 - Google Patents

通信方法、设备以及存储介质

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Publication number
WO2026007120A1
WO2026007120A1 PCT/CN2024/103988 CN2024103988W WO2026007120A1 WO 2026007120 A1 WO2026007120 A1 WO 2026007120A1 CN 2024103988 W CN2024103988 W CN 2024103988W WO 2026007120 A1 WO2026007120 A1 WO 2026007120A1
Authority
WO
WIPO (PCT)
Prior art keywords
uplink
modulation scheme
sta
information field
subfield
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
PCT/CN2024/103988
Other languages
English (en)
French (fr)
Inventor
董贤东
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Xiaomi Mobile Software Co Ltd
Original Assignee
Beijing Xiaomi Mobile Software Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Xiaomi Mobile Software Co Ltd filed Critical Beijing Xiaomi Mobile Software Co Ltd
Priority to CN202480001445.3A priority Critical patent/CN121753284A/zh
Priority to PCT/CN2024/103988 priority patent/WO2026007120A1/zh
Publication of WO2026007120A1 publication Critical patent/WO2026007120A1/zh
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received

Definitions

  • This disclosure relates to the field of communication technology, and in particular to a communication method, device, and storage medium.
  • a STA can transmit uplink physical layer protocol data units (PPDUs) through multiple uplink spatial streams (SS).
  • PPDUs physical layer protocol data units
  • SS uplink spatial streams
  • This disclosure provides a communication method, a device, and a storage medium.
  • embodiments of this disclosure provide a communication method, the method comprising:
  • the AP determines a first radio frame, which includes a first information field.
  • the first information field is used to indicate the modulation scheme used by each uplink spatial stream (SS) when the STA transmits uplink physical layer protocol data unit (PPDU) via unequal modulation.
  • the aforementioned AP sends the aforementioned first wireless frame.
  • embodiments of this disclosure provide a communication method, the method comprising:
  • the STA receives a first radio frame, which includes a first information field.
  • the first information field is used to indicate the modulation scheme used by each uplink SS when the STA transmits uplink PPDU via unequal modulation.
  • an AP including:
  • the processing module is used to determine a first radio frame, wherein the first radio frame includes a first information field, wherein the first information field is used to indicate the modulation scheme adopted by each uplink SS when the STA transmits uplink PPDU through unequal modulation;
  • the transceiver module is used to send the aforementioned first wireless frame.
  • a STA including:
  • the transceiver module is used to receive a first radio frame, the first radio frame including a first information field, the first information field being used to indicate the modulation scheme used by each uplink SS when the STA transmits uplink PPDU via unequal modulation.
  • embodiments of this disclosure provide a communication device including one or more processors; wherein, when the communication device is used as an AP, the processor is used to execute the communication method provided in the first aspect of this disclosure, and when the communication device is used as a STA, the processor is used to execute the communication method provided in the second aspect of this disclosure.
  • embodiments of this disclosure provide a storage medium storing instructions that, when executed on a communication device, cause the communication device to perform the communication method provided in the first or second aspect of embodiments of this disclosure.
  • embodiments of this disclosure provide a communication system comprising an AP and a STA; wherein the AP determines and transmits a first radio frame, the first radio frame comprising a first information field, the first information field being used to indicate the modulation scheme used by each uplink spatial stream SS when the STA transmits uplink physical layer protocol data unit PPDU via unequal modulation; and the STA receives the first radio frame.
  • an indication method for the modulation scheme adopted by each uplink SS under unequal modulation can be provided.
  • Figure 1 is a schematic diagram of the architecture of a communication system according to an embodiment of this disclosure
  • Figure 2 is an interactive schematic diagram of the communication method shown in an embodiment of this disclosure
  • Figure 3 is a flowchart illustrating one of the communication methods according to an embodiment of this disclosure.
  • Figure 4 is a second schematic flowchart illustrating the communication method according to an embodiment of this disclosure.
  • Figure 5 is a schematic diagram of the structure of the AP shown in an embodiment of this disclosure.
  • Figure 6 is a schematic diagram of the structure of STA shown in an embodiment of this disclosure.
  • Figure 7 is a schematic diagram of the structure of the communication device proposed in an embodiment of this disclosure.
  • Figure 8 is a schematic diagram of the chip structure proposed in an embodiment of this disclosure.
  • This disclosure provides a communication method, device, and storage medium.
  • embodiments of this disclosure provide a communication method, the method comprising:
  • the AP determines a first radio frame, which includes a first information field.
  • the first information field is used to indicate the modulation scheme used by each uplink spatial stream (SS) when the STA transmits uplink physical layer protocol data unit (PPDU) via unequal modulation.
  • the aforementioned AP sends the aforementioned first wireless frame.
  • the AP can indicate the modulation method used by each uplink SS when the STA transmits uplink PPDU through unequal modulation via the first information field, thereby enabling the STA to transmit uplink PPDU with unequal modulation when supporting multiple SS, thus improving transmission efficiency.
  • the first radio frame includes a second information field, the second information field including an uplink bandwidth UL BW subfield, the UL BW subfield being used to indicate the uplink bandwidth corresponding to the STA;
  • the uplink bandwidth is less than or equal to 160MHz.
  • dRU Distributed Resource Unit
  • RU Resource Unit
  • MRU Multiple Resource Unit
  • the AP can also indicate the uplink bandwidth corresponding to the STA through the UL BW subdomain, which is beneficial for the STA to simultaneously determine the modulation method and uplink bandwidth used by each uplink SS, thereby further improving the transmission efficiency.
  • the first information field includes an uplink modulation and coding strategy UL MCS subfield, wherein the UL MCS subfield indicates the modulation scheme used by each uplink SS through at least one identifier bit.
  • one uplink SS uses one modulation scheme, while other uplink SSs use another identical modulation scheme;
  • the aforementioned UL MCS subdomain includes at least one of the following:
  • the first identifier bit indicates a combination of modulation schemes used by each uplink SS through different index values;
  • the second identifier bit indicates a modulation scheme used by an uplink SS through different index values, and the third identifier bit indicates another identical modulation scheme used by each other uplink SS through different index values.
  • the first radio frame can directly indicate the modulation scheme used by each uplink SS through the first identifier bit of the UL MCS subdomain, and can also directly indicate an uplink SS that uses a different modulation scheme from other uplink SSs by jointly indicating the modulation scheme used by each uplink SS through the second and third identifier bits. This is beneficial for the STA to quickly determine the modulation scheme used by each uplink SS, thereby improving the efficiency of uplink PPDU transmission using unequal modulation.
  • the first information field includes an association identifier AID subfield, which is used to indicate the association identifier assigned to the STA by the AP during the association process with the STA.
  • the first information field supports the unique associated identifier corresponding to the STA through the AID subfield, which helps the STA to quickly determine the modulation scheme used by each uplink SS indicated by the AP to the STA, thereby improving transmission efficiency.
  • the first information field includes a first uplink target receive power (ULtargetreceiverpower) subfield and a second ULtargetreceiverpower subfield.
  • ULtargetreceiverpower uplink target receive power
  • the first ULtargetreceiverpower subfield is used to indicate the uplink target receive power corresponding to the first uplink SS
  • the second ULtargetreceiverpower subfield is used to indicate the uplink target receive power corresponding to other uplink SSs besides the first uplink SS.
  • the modulation scheme used by the first uplink SS is different from the modulation scheme used by the other uplink SSs.
  • the first radio frame can indicate the uplink target received power corresponding to the uplink SS using the same modulation scheme through the first ULtargetreceiverpower subdomain and the second ULtargetreceiverpower subdomain, which can improve the indication efficiency of uplink target received power while saving signaling resources.
  • the first radio frame includes a fourth identifier bit, which is used to indicate that one uplink SS uses one modulation scheme and other uplink SSs use another identical modulation scheme.
  • embodiments of this disclosure provide a communication method, the method comprising:
  • the STA receives a first radio frame, which includes a first information field.
  • the first information field is used to indicate the modulation scheme used by each uplink SS when the STA transmits uplink PPDU via unequal modulation.
  • the AP can indicate the modulation method used by each uplink SS when the STA transmits uplink PPDU through unequal modulation via the first information field, thereby enabling the STA to transmit uplink PPDU with unequal modulation when supporting multiple SS, thus improving transmission efficiency.
  • the first radio frame includes a second information field
  • the second information field includes a UL BW subfield
  • the UL BW subfield is used to indicate the uplink bandwidth corresponding to the STA.
  • the uplink bandwidth is less than or equal to 160MHz.
  • the AP can also indicate the uplink bandwidth corresponding to the STA through the UL BW subdomain, which is beneficial for the STA to simultaneously determine the modulation method and uplink bandwidth used by each uplink SS, thereby further improving the transmission efficiency.
  • the first information field mentioned above includes a UL MCS subfield, which indicates the modulation scheme used by each uplink SS through at least one identifier bit.
  • one uplink SS uses one modulation scheme, while other uplink SSs use another identical modulation scheme;
  • the aforementioned UL MCS subdomain includes at least one of the following:
  • the first identifier bit indicates a combination of modulation schemes used by each uplink SS through different index values;
  • the second identifier bit indicates a modulation scheme used by an uplink SS through different index values, and the third identifier bit indicates another identical modulation scheme used by each other uplink SS through different index values.
  • the first radio frame can directly indicate the modulation scheme used by each uplink SS through the first identifier bit of the UL MCS subdomain, and can also directly indicate an uplink SS that uses a different modulation scheme from other uplink SSs by jointly indicating the modulation scheme used by each uplink SS through the second and third identifier bits. This is beneficial for the STA to quickly determine the modulation scheme used by each uplink SS, thereby improving the efficiency of uplink PPDU transmission using unequal modulation.
  • the first information field includes an AID subfield, which is used to indicate the association identifier assigned to the STA by the AP during the association process with the STA.
  • the first information field supports the unique associated identifier corresponding to the STA through the AID subfield, which helps the STA to quickly determine the modulation scheme used by each uplink SS indicated by the AP to the STA, thereby improving transmission efficiency.
  • the first information field mentioned above includes a first ULtargetreceiverpower subfield and a second ULtargetreceiverpower subfield.
  • the first ULtargetreceiverpower subfield is used to indicate the uplink target receive power corresponding to the first uplink SS
  • the second ULtargetreceiverpower subfield is used to indicate the uplink target receive power corresponding to other uplink SSs besides the first uplink SS.
  • the modulation scheme used by the first uplink SS is different from the modulation scheme used by the other uplink SSs.
  • the first radio frame can indicate the uplink target received power corresponding to the uplink SS using the same modulation scheme through the first ULtargetreceiverpower subdomain and the second ULtargetreceiverpower subdomain, which can improve the indication efficiency of uplink target received power while saving signaling resources.
  • the first radio frame includes a fourth identifier bit, which is used to indicate that one uplink SS uses one modulation scheme and other uplink SSs use another identical modulation scheme.
  • an AP including:
  • the processing module is used to determine a first radio frame, the first radio frame including a first information field, the first information field being used to indicate the modulation scheme used by each uplink SS when the STA transmits uplink PPDU via unequal modulation;
  • the transceiver module is used to send the first wireless frame.
  • a STA including:
  • the transceiver module is used to receive a first radio frame, the first radio frame including a first information field, the first information field being used to indicate the modulation scheme used by each uplink SS when the STA transmits uplink PPDU via unequal modulation.
  • embodiments of this disclosure provide a communication device, including one or more processors;
  • the processor executes the communication method provided by the first aspect and its optional embodiments; or when it is used as a STA, the processor executes the communication method provided by the second aspect and its optional embodiments.
  • embodiments of this disclosure provide a storage medium storing instructions that, when executed on a communication device, cause the communication device to perform the methods described in the first aspect, the second aspect, optional embodiments of the first aspect, and optional embodiments of the second aspect.
  • embodiments of this disclosure provide a program product that, when executed by a communication device, causes the communication device to perform the methods described in the first aspect, the second aspect, optional embodiments of the first aspect, and optional embodiments of the second aspect.
  • embodiments of this disclosure provide a computer program that, when run on a computer, causes the computer to perform the methods described in the first aspect, the second aspect, optional embodiments of the first aspect, and optional embodiments of the second aspect.
  • embodiments of this disclosure provide a chip or chip system.
  • the chip or chip system includes processing circuitry configured to perform the methods described in the first aspect, the second aspect, optional embodiments of the first aspect, and optional embodiments of the second aspect.
  • embodiments of this disclosure provide a communication system comprising an AP and a STA; wherein the AP determines and transmits a first radio frame, the first radio frame including a first information field, the first information field being used to instruct the STA to perform unequal modulation.
  • This disclosure provides a communication method, device, and storage medium.
  • the terms “communication method” and “information processing method” can be used interchangeably, as can the terms “communication device” and “information processing device,” and the terms “information processing system” and “communication system.”
  • each step in a particular embodiment can be implemented as an independent embodiment, and the steps can be arbitrarily combined.
  • a solution after removing some steps in a particular embodiment can also be implemented as an independent embodiment, and the order of the steps in a particular embodiment can be arbitrarily interchanged.
  • the optional implementation methods in a particular embodiment can be arbitrarily combined; moreover, the embodiments can be arbitrarily combined, for example, some or all steps of different embodiments can be arbitrarily combined, and a particular embodiment can be arbitrarily combined with the optional implementation methods of other embodiments.
  • multiple refers to two or more.
  • the terms “at least one of”, “one or more”, “a plurality of”, “multiple”, etc., may be used interchangeably.
  • the notation "at least one of A and B", “A and/or B", “A in one case, B in another”, “in response to one case A, in response to another case B”, etc. may include the following technical solutions depending on the situation: in some embodiments, A (execute A regardless of B); in some embodiments, B (execute B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed); in some embodiments, A and B (both A and B are executed). The same applies when there are more branches such as A, B, C, etc.
  • the notation "A or B” may include the following technical solutions, depending on the situation: in some embodiments, A (execution of A regardless of B); in some embodiments, B (execution of B regardless of A); in some embodiments, execution is selected from A and B (A and B are selectively executed). The same applies when there are more branches such as A, B, C, etc.
  • the descriptive object is a "field,” the ordinal numbers preceding "field” in “first field” and “second field” do not restrict the position or order of the "fields.” "First” and “second” do not restrict whether the "fields” they modify are in the same message, nor do they restrict the order of "first field” and “second field.”
  • the descriptive object is a "level,” the ordinal numbers preceding "level” in “first level” and “second level” do not restrict the priority between “levels.”
  • the number of descriptive objects is not limited by ordinal numbers and can be one or more. For example, in “first device,” the number of "devices" can be one or more.
  • the objects modified by different prefixes can be the same or different.
  • first device and second device can be the same device or different devices, and their types can be the same or different.
  • first information and second information can be the same information or different information, and their content can be the same or different.
  • “including A,” “containing A,” “for indicating A,” and “carrying A” can be interpreted as directly carrying A or indirectly indicating A.
  • the terms “in response to...”, “in response to determining...”, “in the case of...”, “when...”, “if...”, “if...”, etc., can be used interchangeably.
  • the terms “greater than,” “greater than or equal to,” “not less than,” “more than,” “more than or equal to,” “not less than,” “higher than,” “higher than or equal to,” “not lower than,” and “above” can be used interchangeably, as can the terms “less than,” “less than or equal to,” “not greater than,” “less than,” “less than or equal to,” “not more than,” “lower than,” “lower than or equal to,” “not higher than,” and “below”.
  • the acquisition of data, information, etc. may comply with the laws and regulations of the country where the location is situated.
  • data, information, etc. may be obtained with the user's consent.
  • each element, each row, or each column in the table of this disclosure can be implemented as an independent embodiment, and any combination of any element, any row, or any column can also be implemented as an independent embodiment.
  • Figure 1 is a schematic diagram of the architecture of a communication system according to an embodiment of the present disclosure.
  • the communication system 100 includes AP101 and STA102.
  • AP101 can be a standalone AP or an auxiliary AP of an access point device (AP Multi-Link Device, AP MLD) that supports multiple links; there are no restrictions on this.
  • AP Multi-Link Device AP MLD
  • STA102 can be a standalone STA or an auxiliary STA of a Non-AP MLD, without any restrictions.
  • AP101 and STA102 are related.
  • AP101 and STA102 may be terminal devices or network devices equipped with wireless fidelity chips.
  • AP101 Before receiving the uplink PPDU sent by STA102, AP101 can first determine and send a first radio frame to STA102, so as to indicate the modulation method used by each uplink spatial stream (SS) when STA sends uplink PPDU using unequal modulation (UEQM) through the first information field in the first radio frame.
  • SS uplink spatial stream
  • UEQM unequal modulation
  • the STA102 can transmit uplink PPDUs using unequal modulation and can use different modulation methods between different uplink SSs.
  • the STA102 can transmit uplink PPDUs using unequal modulation, employing one modulation scheme in one uplink SS and another in the others, thereby achieving better spectrum utilization and system performance.
  • the following embodiments of this disclosure can be applied to the communication system 100 shown in FIG1, or to some of the main bodies, but are not limited thereto.
  • the main bodies shown in FIG1 are illustrative.
  • the communication system may include all or some of the main bodies in FIG1, or may include other main bodies outside of FIG1.
  • the number and form of each main body are arbitrary.
  • Each main body may be physical or virtual.
  • the link relationship between the main bodies is illustrative.
  • the link may be in any form, such as a direct link or an indirect link, a wired link or a wireless link.
  • WLANs Wireless Local Area Networks
  • IEEE 802.11 system standards including 802.11a/b/g, 802.11n, 802.11ac, 802.11ax, 802.11bf, 802.11be, or their next generation, such as 802.11bn.
  • WLAN systems such as Internet of Things (IoT) networks or Vehicle-to-X (V2X) networks.
  • IoT Internet of Things
  • V2X Vehicle-to-X
  • LTE Long Term Evolution
  • FDD Frequency Division Duplex
  • TDD Time Division Duplex
  • UMTS Universal Mobile Telecommunication System
  • WiMAX Worldwide Interoperability for Microwave Access
  • 5G 5th Generation
  • Figure 2 is an interactive schematic diagram of the communication method shown in an embodiment of this disclosure.
  • the communication method shown in Figure 2 includes:
  • the AP sends a first radio frame, the first radio frame includes a first information field, the first information field is used to indicate the modulation method used by each uplink SS when the STA sends uplink PPDU by unequal modulation.
  • Unequal Modulation refers to the use of different modulation schemes for the data portion of the PPDU in different SSs, such as one SS2 using 16QAM modulation and another SS using 64QAM modulation.
  • the first radio frame may be a trigger frame or other radio frames sent by the AP to the STA, without limitation.
  • the first radio frame is a trigger frame, which includes a userinfo field.
  • the userinfo field indicates the modulation scheme used by each uplink SS when the STA transmits uplink PPDUs via unequal modulation. Specifically, at least one uplink SS corresponding to the STA uses one modulation scheme, while the remaining uplink SSs use another modulation scheme.
  • the first radio frame includes an uplink bandwidth UL BW subdomain, which is used to indicate the uplink bandwidth corresponding to the STA.
  • the first radio frame includes a second information field, which includes a UL BW subfield used to indicate the uplink bandwidth corresponding to the STA.
  • the second information field can be the commoninfo field.
  • the uplink bandwidth corresponding to STA can be 20MHz, 40MHz, 80MHz, 160MHz or 320MHz.
  • the AP when the AP indicates the modulation scheme used by each uplink SS and the uplink bandwidth corresponding to the STA, it can also allocate RU to the STA within the uplink bandwidth range, so that the STA can send uplink PPDU according to the RU allocated by the AP and the corresponding modulation scheme.
  • the AP can also allocate dRUs to the STA within the uplink bandwidth range, so that the STA can send uplink PPDUs using unequal modulation schemes according to the dRUs allocated by the AP and the corresponding modulation schemes.
  • the AP can also allocate MRU to the STA within the uplink bandwidth range, so that the STA can send uplink PPDU using unequal modulation scheme according to the MRU allocated by the AP and the corresponding modulation scheme.
  • the RU, dRU, or MRU allocated by the AP to the STA is associated with the uplink bandwidth corresponding to the STA.
  • the AP can allocate dRUs of types such as 26-tone-dRU, 52-tone-dRU, 106-tone-dRU, and 242-tone-dRU within the 20MHz bandwidth to the STA.
  • the first information field includes an uplink UL modulation and coding scheme (MCS) subfield, which indicates the modulation scheme used by each uplink SS through at least one identifier bit.
  • MCS modulation and coding scheme
  • the maximum number of uplink SSs supported by the STA can be 4, 8 or 16, and there is no limitation here.
  • the maximum number of uplink SS supported by the STA is 4.
  • At least one uplink SS uses one modulation scheme, while the other remaining uplink SSs use another identical modulation scheme.
  • multiple uplink SSs can use the same modulation scheme, while other multiple SSs can use a different, identical modulation scheme.
  • one uplink SS uses one modulation scheme, while the remaining uplink SSs use another identical modulation scheme.
  • any uplink SS may employ a modulation method including at least one of Binary Phase Shift Keying (BPSK), Quadrature Phase Shift Keying (QPSK), and Quadrature Amplitude Modulation (QAM).
  • BPSK Binary Phase Shift Keying
  • QPSK Quadrature Phase Shift Keying
  • QAM Quadrature Amplitude Modulation
  • Quadrature amplitude modulation includes 16-QAM, 64-QAM, 256-QAM, 1024-QAM, and 4096-QAM.
  • the modulation method adopted can be at least one of BPSK, QPSK, 16-QAM, 64-QAM, 256-QAM, 1024-QAM, and 4096-QAM.
  • the userinfo field corresponding to STA and the UL MCS subfield can be identified using the associated identifier corresponding to STA.
  • the first information field includes the Association Identifier (AID) subfield.
  • the AID subfield is used to indicate the unique association identifier (AID) assigned to the STA by the AP through the association response frame or the reassociation response frame during the association process between the AP and the STA.
  • the AID subdomain in the first information field corresponds to the UL MCS subdomain and/or the userinfo field, and is used to indicate that the content indicated by the UL MCS subdomain and/or the userinfo field is indicated by the AP to the STA corresponding to the AID identified by the AID subdomain.
  • the UL MCS subfield when the STA transmits the uplink PPDU via unequal modulation, and one uplink SS uses one modulation scheme while other uplink SSs use another identical modulation scheme, the UL MCS subfield includes a first identifier bit.
  • the first identifier bit indicates a combination of modulation schemes used by each uplink SS through different index values.
  • the specific value of the index corresponding to the first identifier is not restricted here.
  • the first identifier can indicate a combination of modulation schemes used by each uplink SS through M ⁇ N ⁇ (N-1) different index values. In each combination, one uplink SS uses one modulation scheme, and the other remaining uplink SSs use another identical modulation scheme.
  • each uplink SS supports BPSK and 16-QAM modulation schemes, and the STA uses 4 uplink SSs (SS1, SS2, SS3 and SS4 respectively).
  • the index value (MCS index) indicated by the first flag bit is k, it indicates that the modulation scheme used by SS1 is BPSK, and SS2- SS4 uses 16-QAM modulation; when the index value of the first flag bit is k+1, it indicates that SS2 uses BPSK modulation, and SS1, SS3-SS4 use 16-QAM modulation; when the index value of the first flag bit is k+2, it indicates that SS3 uses BPSK modulation, and SS1-SS2 and SS4 use 16-QAM modulation; when the index value of the first flag bit is k+3, it indicates that SS4 uses BPSK modulation, and SS1-SS3 use 16-QAM modulation; when the index value of the first flag bit is k+4, it indicates that...
  • the modulation scheme used by SS1 is 16-QAM
  • the modulation scheme used by SS2-SS4 is BPSK.
  • the index value indicated by the first flag bit is k+5
  • it is used to indicate that the modulation scheme used by SS2 is 16-QAM
  • the modulation scheme used by SS1, SS3-SS4 is BPSK.
  • the index value indicated by the first flag bit is k+6
  • it is used to indicate that the modulation scheme used by SS3 is 16-QAM
  • the modulation scheme used by SS1-SS2 and SS4 is BPSK.
  • the index value indicated by the first flag bit is k+7
  • it is used to indicate that the modulation scheme used by SS4 is 16-QAM
  • the modulation scheme used by SS1-SS3 is BPSK.
  • the UL MCS subfield includes a second identifier bit and a third identifier bit.
  • the second identifier bit indicates a modulation scheme used by an uplink SS through different index values
  • the third identifier bit indicates another identical modulation scheme used by each other uplink SS through different index values
  • the second identifier bit and the second identifier bit can correspond to M ⁇ N ⁇ (N-1) index value combinations.
  • the index value corresponding to the second identifier bit indicates a modulation scheme used by an uplink SS
  • the index value corresponding to the third identifier bit in each index value combination indicates another modulation scheme used by all other uplink SSs except the uplink SS indicated by the second identifier bit.
  • the index value indicated by the second identifier bit can be M ⁇ N
  • the index value of the third identifier bit that forms an index value combination with each index value indicated by the second identifier bit can be N-1.
  • each uplink SS supports BPSK and 16-QAM modulation schemes, and the STA uses 4 uplink SSs (SS1, SS2, SS3 and SS4 respectively).
  • index value indicated by the second flag bit When the index value indicated by the second flag bit (MCS index1) is k, it indicates that the modulation scheme used by SS1 is BPSK; when the index value indicated by the second flag bit (MCS index2) is r, it indicates that the modulation scheme used by SS2-SS4 is 16-QAM.
  • index value indicated by the first flag bit When the index value indicated by the first flag bit is k+1, it indicates that the modulation scheme used by SS2 is BPSK; when the index value indicated by the second flag bit (MCS index2) is r+1, it indicates the modulation scheme used by SS1, SS3-SS4.
  • the modulation scheme is 16-QAM.
  • index value indicated by the first flag bit When the index value indicated by the first flag bit is k+2, it indicates that the modulation scheme used by SS3 is BPSK.
  • index value indicated by the second flag bit indicates that the modulation scheme used by SS1-SS2 and SS4 is 16-QAM.
  • index value indicated by the first flag bit is k+3, it indicates that the modulation scheme used by SS4 is BPSK.
  • index value indicated by the second flag bit is r+3, it indicates that the modulation scheme used by SS1-SS3 is 16-QAM.
  • index value indicated by the second flag bit (MCS index2) is r+6, it is used to indicate that the modulation scheme used by SS1-SS2 and SS4 is BPSK.
  • index value indicated by the first flag bit is k+7, it is used to indicate that the modulation scheme used by SS4 is 16-QAM.
  • index value indicated by the second flag bit (MCS index2) is r+7, it is used to indicate that the modulation scheme used by SS1-SS3 is BPSK.
  • the UL MCS subfield when the STA transmits the uplink PPDU via unequal modulation, and multiple uplink SSs use one modulation scheme while other multiple uplink SSs use another identical modulation scheme, the UL MCS subfield includes a first identifier bit.
  • the first identifier bit indicates a combination of modulation schemes used by each uplink SS through different index values.
  • the specific value of the index corresponding to the first identifier is not restricted here.
  • each uplink SS there are multiple uplink SSs using the same modulation scheme, while all other remaining uplink SSs use another identical modulation scheme.
  • the UL MCS subfield may include a second identifier bit and a second identifier bit.
  • the second identifier bit indicates a modulation scheme used by one or more uplink SSs through different index values
  • the third identifier bit indicates a modulation scheme used by one or more uplink SSs through different index values.
  • the second and third identifier bits through a combination of index values, jointly indicate the modulation scheme used by each uplink SS.
  • the index value corresponding to the second identifier bit indicates that multiple uplink SSs use one modulation scheme
  • the index value corresponding to the third identifier bit in each index value combination indicates that all other uplink SSs except the uplink SS indicated by the second identifier bit use another modulation scheme.
  • the first radio frame includes a fourth identifier bit, which is used to indicate that at least one uplink SS uses a different modulation scheme than other SSs, while the other uplink SSs use the same modulation scheme.
  • the fourth identifier can be an identifier in the first information field, the second information field, or a newly defined other information field.
  • the newly defined other information field can be the special information field (specialinfo) or any other information field, without any restrictions.
  • the fourth identifier can be located in the userinfo field, or in the commoninfo field, or in the specialinfo field; there are no restrictions here.
  • the first information field further includes a first uplink target receive power (ULtargetreceiverpower) subfield and a second ULtargetreceiverpower subfield.
  • ULtargetreceiverpower uplink target receive power
  • the first ULtargetreceiverpower subfield is used to indicate the uplink target receive power corresponding to the first uplink SS
  • the second ULtargetreceiverpower subfield is used to indicate the uplink target receive power corresponding to other uplink SSs besides the first uplink SS.
  • the first uplink SS uses a different modulation scheme than the other uplink SSs.
  • the number of uplink SSs used by the STA when sending uplink PPDU is 4, that is, the uplink SSs are SS1-SS4.
  • the first ULtargetreceiverpower subfield is used to indicate the uplink target received power corresponding to SS1
  • the second ULtargetreceiverpower subfield is used to indicate the uplink target received power corresponding to SS2-SS4.
  • the first ULtargetreceiverpower subfield is used to indicate the uplink target received power corresponding to SS2
  • the second ULtargetreceiverpower subfield is used to indicate the uplink target received power corresponding to SS1 and SS3-SS4.
  • the first ULtargetreceiverpower subfield is used to indicate the uplink target received power corresponding to SS3
  • the second ULtargetreceiverpower subfield is used to indicate the uplink target received power corresponding to SS1-SS2 and SS4.
  • the first ULtargetreceiverpower subfield is used to indicate the uplink target receive power corresponding to SS4
  • the second ULtargetreceiverpower subfield is used to indicate the uplink target receive power corresponding to SS1-SS3.
  • S22, AP and STA perform uplink PPDU transmission.
  • the STA may send uplink PPDUs to the AP via unequal modulation according to the modulation scheme used for each uplink SS as indicated by the AP.
  • the AP may receive the uplink PPDUs sent by the STA after sending the first radio frame, according to the modulation scheme used for each uplink SS as indicated by the STA.
  • the communication method involved in the embodiments of this disclosure may include the foregoing steps and at least one of the embodiments.
  • any one of steps S21-S22 may be implemented as an independent embodiment, but is not limited thereto.
  • Figure 3 is a flowchart illustrating one of the communication methods of this disclosure. As shown in Figure 3, the method is executed by the AP and includes:
  • the S31 determine the first radio frame, the first radio frame includes a first information field, the first information field is used to indicate the modulation method used by each uplink SS when the STA transmits uplink PPDU through unequal modulation.
  • the first radio frame may be a trigger frame or other radio frames sent by the AP to the STA, without limitation.
  • the first information field may be the user information field (userinfo) or other information fields in the first radio frame, without limitation.
  • the first radio frame is a trigger frame, which includes a userinfo field.
  • the userinfo field indicates the modulation scheme used by each uplink SS when the STA transmits uplink PPDUs via unequal modulation. Specifically, at least one uplink SS corresponding to the STA uses one modulation scheme, while the remaining uplink SSs use another modulation scheme.
  • the first radio frame includes a first information field, which is used to indicate the modulation scheme used by each uplink spatial stream SS when the STA transmits uplink physical layer protocol data unit PPDU via unequal modulation;
  • the AP sends the first wireless frame.
  • the first radio frame includes a second information field, which includes an uplink bandwidth UL BW subfield, which is used to indicate the uplink bandwidth corresponding to the STA.
  • the uplink bandwidth is less than or equal to 160MHz.
  • dRU Distributed Resource Unit
  • RU Resource Unit
  • MRU Multiple Resource Unit
  • the first information field includes an uplink modulation and coding strategy (UL MCS) subfield, which indicates the modulation scheme used by each uplink SS through at least one identifier bit.
  • UL MCS uplink modulation and coding strategy
  • one uplink SS uses one modulation scheme, while other uplink SSs use another identical modulation scheme.
  • UL MCS subdomains include at least one of the following:
  • the first identifier bit indicates a combination of modulation schemes used by each uplink SS through different index values; when the UL MCS subdomain includes a second identifier bit and a third identifier bit, the second identifier bit indicates a modulation scheme used by an uplink SS through different index values, and the third identifier bit indicates another identical modulation scheme used by each other uplink SS through different index values.
  • the first information field includes an association identifier (AID) subfield, which indicates the association identifier assigned to the STA by the AP during the association process with the STA.
  • AID association identifier
  • the first information field includes a first uplink target receiver power (UL) subfield and a second UL target receiver power subfield;
  • UL uplink target receiver power
  • the first UL target receiver power subfield is used to indicate the uplink target receiver power corresponding to the first uplink SS
  • the second UL target receiver power subfield is used to indicate the uplink target receiver power corresponding to other uplink SSs besides the first uplink SS.
  • the modulation scheme used by the first uplink SS is different from the modulation scheme used by the other uplink SSs.
  • the first radio frame includes a fourth identifier bit, which is used to indicate that one uplink SS uses one modulation scheme and other uplink SSs use another identical modulation scheme.
  • the AP may, after transmitting the first radio frame, receive uplink PPDUs transmitted by the STA via unequal modulation, according to the modulation scheme used for each uplink SS indicated for the STA.
  • the communication method involved in the embodiments of this disclosure may include the foregoing steps and at least one of the embodiments.
  • any one of steps S31-S32 may be implemented as an independent embodiment, but is not limited thereto.
  • Figure 4 is a second schematic flowchart illustrating a communication method according to an embodiment of this disclosure. As shown in Figure 4, the method is executed by a first A, and the method includes:
  • the S41 Receive a first radio frame.
  • the first radio frame includes a first information field, which is used to indicate the modulation scheme used by each uplink SS when the STA transmits uplink PPDU via unequal modulation.
  • the first radio frame includes a first information field, which is used to indicate the modulation scheme used by each uplink SS when the STA transmits uplink PPDU via unequal modulation.
  • the first radio frame may be a trigger frame or other radio frames sent by the AP to the STA, without limitation.
  • the first information field may be the user information field (userinfo) or other information fields in the first radio frame, without limitation.
  • the first radio frame is a trigger frame, which includes a userinfo field.
  • the userinfo field indicates the modulation scheme used by each uplink SS when the STA transmits uplink PPDUs via unequal modulation. Specifically, at least one uplink SS corresponding to the STA uses one modulation scheme, while the remaining uplink SSs use another modulation scheme.
  • the first radio frame includes a second information field, which includes a UL BW subfield, and the UL BW subfield is used to indicate the uplink bandwidth corresponding to the STA.
  • the uplink bandwidth is less than or equal to 160MHz.
  • the first information field includes a UL MCS subfield, which indicates the modulation scheme used by each uplink SS through at least one identifier bit.
  • one uplink SS uses one modulation scheme, while other uplink SSs use another identical modulation scheme.
  • UL MCS subdomains include at least one of the following:
  • the first identifier bit indicates a combination of modulation schemes used by each uplink SS through different index values; when the UL MCS subdomain includes a second identifier bit and a third identifier bit, the second identifier bit indicates a modulation scheme used by an uplink SS through different index values, and the third identifier bit indicates another identical modulation scheme used by each other uplink SS through different index values.
  • the first information field includes an AID subfield, which indicates the association identifier assigned to the STA by the AP during the association process with the STA.
  • the first information field includes a first UL target receiver power subfield and a second UL target receiver power subfield
  • the first UL target receiver power subfield is used to indicate the uplink target receiver power corresponding to the first uplink SS
  • the second UL target receiver power subfield is used to indicate the uplink target receiver power corresponding to other uplink SSs besides the first uplink SS.
  • the modulation scheme used by the first uplink SS is different from the modulation scheme used by the other uplink SSs.
  • the first radio frame includes a fourth identifier bit, which is used to indicate that one uplink SS uses one modulation scheme and other uplink SSs use another identical modulation scheme.
  • the STA can send uplink PPDUs to the AP via unequal modulation according to the modulation scheme used by each uplink SS as indicated by the AP.
  • FIG. 5 is a schematic diagram of the structure of the AP proposed in this embodiment.
  • the AP 500 may include a processing module 510 and a transceiver module 520.
  • the processing module 510 is configured to determine a first radio frame, the first radio frame including a first information field, the first information field being used to indicate the modulation scheme used by each uplink SS when the STA transmits uplink PPDU via unequal modulation.
  • the transceiver module 520 is configured to transmit a first wireless frame.
  • the processing module 510 is used to execute at least one of the processing steps (e.g., S31, but not limited thereto) performed by the AP in any of the above methods, which will not be described in detail here.
  • the transceiver module 520 is used to execute at least one of the transceiver steps (e.g., steps S21, S22, and S31, but not limited thereto) performed by the AP in any of the above methods, which will not be described in detail here.
  • FIG. 6 is a schematic diagram of the structure of the STA proposed in an embodiment of this disclosure.
  • the STA 600 may include a transceiver module 610.
  • the transceiver module 610 is configured to receive a first radio frame, the first radio frame including a first information field, the first information field being used to indicate the modulation scheme used by each uplink SS when the STA transmits uplink PPDU via unequal modulation.
  • the transceiver module 610 is used to execute at least one of the transceiver steps (such as step S22, step S31, but not limited thereto) executed by the STA in any of the above methods, which will not be elaborated here.
  • units or modules can be implemented in the form of a processor calling software: for example, including a processor connected to memory, with instructions stored in the memory, and the processor calling the instructions stored in the memory to implement any of the above methods or to implement the functions of the above units or modules.
  • the processor can be, for example, a general-purpose processor, such as a Central Processing Unit (CPU) or a microprocessor, and the memory can be internal or external to the device.
  • the units or modules in the device can be implemented in the form of hardware circuits.
  • the functionality of some or all of the units or modules can be achieved through the design of these hardware circuits, which can be understood as one or more processors.
  • the hardware circuit is an application-specific integrated circuit (ASIC).
  • ASIC application-specific integrated circuit
  • the functionality of some or all of the units or modules is achieved through the design of the logical relationships between the components within the circuit.
  • the hardware circuit can be implemented using a programmable logic device (PLD). Taking a field-programmable gate array (FPGA) as an example, it can include a large number of logic gates. The connection relationships between the logic gates are configured through configuration files, thereby achieving the functionality of some or all of the units or modules. All units or modules of the above device can be implemented entirely through processor-called software, entirely through hardware circuits, or partially through processor-called software with the remaining parts implemented through hardware circuits.
  • PLD programmable logic device
  • the processor is a circuit with signal processing capabilities.
  • the processor can be a circuit with instruction read and execute capabilities, such as a Central Processing Unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), or a digital signal processor (DSP).
  • the processor can implement certain functions through the logical relationships of hardware circuits. The logical relationships of the aforementioned hardware circuits are fixed or reconfigurable.
  • the processor is a hardware circuit implemented using an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA.
  • ASIC application-specific integrated circuit
  • PLD programmable logic device
  • the process of the processor loading a configuration document and configuring the hardware circuit can be understood as the process of the processor loading instructions to implement the functions of some or all of the above units or modules.
  • it can also be hardware circuits designed for artificial intelligence, which can be understood as ASICs, such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • ASICs such as Neural Network Processing Unit (NPU), Tensor Processing Unit (TPU), Deep Learning Processing Unit (DPU), etc.
  • FIG. 7 is a schematic diagram of the structure of the communication device proposed in an embodiment of this disclosure.
  • the communication device 700 can be an AP or a STA, or it can be a chip, chip system, or processor that supports the AP or STA in implementing any of the above methods.
  • the communication device can be used to implement the methods described in the above method embodiments, and for details, please refer to the description in the above method embodiments.
  • the communication device 700 includes one or more processors 701.
  • the processor 701 can be a general-purpose processor or a dedicated processor, such as a baseband processor or a central processing unit.
  • the baseband processor can be used to process communication protocols and communication data.
  • the central processing unit (CPU) can be used to control communication devices (such as base stations, baseband chips, terminal equipment, terminal equipment chips, DUs or CUs, etc.), execute programs, and process program data.
  • Communication device 700 is used to execute any of the above methods.
  • the communication device 700 further includes one or more memories 702 for storing instructions.
  • the memories 702 may be located outside the communication device 700.
  • the communication device 700 further includes one or more transceivers 703.
  • the transceivers 703 perform at least one of the communication steps such as sending and/or receiving in the above method (e.g., steps S21, S22, S32, and S41, but not limited thereto), and the processor 701 performs at least one of other steps (e.g., step S31, but not limited thereto).
  • a transceiver may include a receiver and/or a transmitter, which may be separate or integrated.
  • the terms transceiver, transceiver unit, transceiver, transceiver circuit, etc. may be used interchangeably; the terms transmitter, transmitting unit, transmitter, transmitting circuit, etc., may be used interchangeably; and the terms receiver, receiving unit, receiver, receiving circuit, etc., may be used interchangeably.
  • the communication device 700 may include one or more interface circuits 704.
  • the interface circuit 704 is connected to the memory 702, and the interface circuit 704 can be used to receive signals from the memory 702 or other devices, and can be used to send signals to the memory 702 or other devices.
  • the interface circuit 704 can read instructions stored in the memory 702 and send the instructions to the processor 701.
  • the communication device 700 described in the above embodiments may be a first network device or a second network device, but the scope of the communication device 700 described in this disclosure is not limited thereto, and the structure of the communication device 700 may not be limited by FIG. 7.
  • the communication device may be a standalone device or a part of a larger device.
  • the above-mentioned communication device may be: (1) a standalone integrated circuit IC, or chip, or chip system or subsystem; (2) a collection of one or more ICs, optionally, the above-mentioned IC collection may also include storage components for storing data and programs; (3) an ASIC, such as a modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal device, smart terminal device, cellular phone, wireless device, handheld device, mobile unit, vehicle device, network device, cloud device, artificial intelligence device, etc.; (6) others, etc.
  • FIG. 8 is a schematic diagram of the structure of the chip 800 proposed in an embodiment of this disclosure.
  • the chip 800 includes one or more processors 801, and the chip 800 is used to perform any of the above methods.
  • chip 800 further includes one or more interface circuits 803.
  • the interface circuit 803 is connected to memory 802, and the interface circuit 803 can be used to receive signals from memory 802 or other devices, and the interface circuit 803 can be used to send signals to memory 802 or other devices.
  • the interface circuit 803 can read instructions stored in memory 802 and send the instructions to processor 801.
  • the interface circuit 803 performs at least one of the communication steps such as sending and/or receiving in the above method (e.g., steps S21, S22, S32, and S41, but not limited thereto), and the processor 801 performs at least one of other steps (e.g., step S31, but not limited thereto).
  • interface circuit In some embodiments, the terms interface circuit, interface, transceiver pin, transceiver, etc., can be used interchangeably.
  • chip 800 further includes one or more memories 802 for storing instructions.
  • all or part of the memories 802 may be located outside of chip 800.
  • the storage medium is an electronic storage medium.
  • the storage medium is a computer-readable storage medium, but not limited thereto; it may also be a storage medium readable by other devices.
  • the storage medium may be a non-transitory storage medium, but not limited thereto; it may also be a temporary storage medium.
  • This disclosure also provides a program product that, when executed by the communication device 700, causes the communication device 700 to perform any of the above methods.
  • the program product is a computer program product.
  • This disclosure also proposes a computer program that, when run on a computer, causes the computer to perform any of the above methods.
  • the above description is merely a preferred embodiment of this disclosure and an explanation of the technical principles employed.
  • Those skilled in the art should understand that the scope of this disclosure is not limited to technical solutions formed by specific combinations of the above-described technical features, but should also cover other technical solutions formed by arbitrary combinations of the above-described technical features or their equivalents without departing from the above-described concept.

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Abstract

本公开实施例涉及通信技术领域,提供了一种通信方法、设备以及存储介质。该方法应用于AP,包括:AP确定第一无线帧,第一无线帧包括第一信息域,第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式;AP发送第一无线帧。本公开实施例可提供一种STA通过不等调制发送上行PPDU时各上行SS采用的调制方式的指示方式。

Description

通信方法、设备以及存储介质 技术领域
本公开涉及通信技术领域,尤其涉及一种通信方法、设备以及存储介质。
背景技术
现有技术中,STA可通过多个上行空间流(Spatial Stream,SS)发送上行物理层协议数据单元(Physical Protocol Data Unit,PPDU)。但是如果STA通过不等调制发送PPDU时,每个上行SS采用的调制方式需要重新进行指示。
发明内容
本公开实施例提供了一种通信方法、设备以及存储介质。
第一方面,本公开实施例提供了一种通信方法,该方法包括:
AP确定第一无线帧,上述第一无线帧包括第一信息域,上述第一信息域用于指示STA通过不等调制发送上行物理层协议数据单元PPDU时每个上行空间流SS采用的调制方式;
上述AP发送上述第一无线帧。
第二方面,本公开实施例提供了一种通信方法,该方法包括:
STA接收第一无线帧,上述第一无线帧包括第一信息域,上述第一信息域用于指示上述STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
第三方面,本公开实施例提供了一种AP,包括:
处理模块,用于确定第一无线帧,上述第一无线帧包括第一信息域,上述第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式;
收发模块,用于发送上述第一无线帧。
第四方面,本公开实施例提供了一种STA,包括:
收发模块,用于接收第一无线帧,上述第一无线帧包括第一信息域,上述第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
第五方面,本公开实施例提供了一种通信设备,包括一个或多个处理器;其中,上述通信设备作为AP时,上述处理器用于执行本公开实施例第一方面提供的通信方法,上述通信设备作为STA时,上述处理器用于执行本公开实施例第二方面提供的通信方法。
第六方面,本公开实施例提供了一种存储介质,该存储介质存储有指令,当该指令在通信设备上运行时,使得通信设备执行本公开实施例第一方面或者第二方面提供的通信方法。
第七方面,本公开实施例提出了通信系统,上述通信系统包括AP和STA;其中,上述AP确定并发送第一无线帧,上述第一无线帧包括第一信息域,上述第一信息域用于指示STA通过不等调制发送上行物理层协议数据单元PPDU时每个上行空间流SS采用的调制方式;上述STA接收上述第一无线帧。
基于本公开实施例提供的通信方法、设备以及存储介质,可提供一种不等调制下各上行SS采用的调制方式的指示方式。
本公开实施例附加的方面和优点将在下面的描述中部分给出,这些将从下面的描述中变得明显,或通过本公开的实践了解到。
附图说明
为了更清楚地说明本公开实施例的技术方案,下面将对本公开实施例的描述中所需要使用的附图作简单地介绍,显而易见地,下面描述中的附图仅仅是本公开的一些实施例,对于本领域普通技术人员来讲,在不付出创造性劳动性的前提下,还可以根据这些附图获得其他的附图。
图1是本公开实施例示出的通信系统的架构示意图;
图2是本公开实施例示出的通信方法的交互示意图;
图3是本公开实施例示出的通信方法的流程示意图之一;
图4是本公开实施例示出的通信方法的流程示意图之二;
图5是本公开实施例示出的AP的结构示意图;
图6是本公开实施例示出的STA的结构示意图;
图7是本公开实施例提出的通信设备的结构示意图;
图8是本公开实施例提出的芯片的结构示意图。
具体实施方式
本公开实施例提出了一种通信方法、设备以及存储介质。
第一方面,本公开实施例提出了一种通信方法,该方法包括:
AP确定第一无线帧,上述第一无线帧包括第一信息域,上述第一信息域用于指示STA通过不等调制发送上行物理层协议数据单元PPDU时每个上行空间流SS采用的调制方式;
上述AP发送上述第一无线帧。
在上述实施例中,AP可通过第一信息域指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式,从而使得STA在支持多SS的情况下可采用不等调试传输上行PPDU,提升传输效率。
结合第一方面的一些实施例,在一些实施例中,上述第一无线帧包括第二信息域,上述第二信息域包括上行带宽UL BW子域,上述UL BW子域用于指示上述STA对应的上行带宽;
其中,当上述STA通过分布式资源单元dRU、资源单元RU或多资源单元MRU发送上行PPDU时,上述上行带宽小于或者等于160MHz。
在上述实施例中,AP还可通过UL BW子域指示STA对应的上行带宽,有利于STA同时确定每个上行SS采用的调制方式以及上行带宽,进而进一步提升传输效率。
结合第一方面的一些实施例,在一些实施例中,上述第一信息域包括上行调制与编码策略UL MCS子域,上述UL MCS子域通过至少一个标识位指示每个上行SS采用的调制方式。
结合第一方面的一些实施例,在一些实施例中,上述STA通过不等调制发送上行PPDU时一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式;
上述UL MCS子域包括以下至少一项:
第一标识位;
第二标识位和第三标识位;
其中,上述UL MCS子域包括上述第一标识位时,上述第一标识位通过不同的索引值指示每个上行SS采用的调制方式的一种组合;上述UL MCS子域包括上述第二标识位和上述第三标识位时,上述第二标识位通过不同的索引值指示一个上行SS采用的一种调制方式,上述第三标识位通过不同的索引值指示其他每个上行SS采用的另一种相同的调制方式。
在上述实施例中,第一无线帧可通过UL MCS子域的第一标识位直接指示每个上行SS所采用的调制方式,可也通过第二标识位和第三标识位联合指示每个上行SS所采用的调制方式的同时,直接指示与其他上行SS采用不同调制方式的一个上行SS,有利于STA快速确定每个上行SS采用的调制方式,进而提升采用不等调制传输上行PPDU的效率。
结合第一方面的一些实施例,在一些实施例中,上述第一信息域包括关联标识符AID子域,上述AID子域用于指示上述AP在与上述STA进行关联过程中为上述STA分配的关联标识符。
在上述实施例中,第一信息域通过AID子域支持STA对应的唯一关联标识符,有助于STA快速确定AP向STA指示的每个上行SS采用的调制方式,进而提升传输效率。
结合第一方面的一些实施例,在一些实施例中,上述第一信息域包括第一上行目标接收功率ULtargetreceiverpower子域和第二ULtargetreceiverpower子域;
其中,上述第一ULtargetreceiverpower子域用于指示第一上行SS对应的上行目标接收功率,上述第二ULtargetreceiverpower子域用于指示上述第一上行SS以外的其他上行SS对应的上行目标接收功率,上述第一上行SS采用的调制方式与其他上行SS采用的调制方式不同。
在上述实施例中,第一无线帧可通过第一ULtargetreceiverpower子域和第二ULtargetreceiverpower子域分别指示采用相同调制方式的上行SS所对应的上行目标接收功率,可在节约信令资源的同时提升上行目标接收功率的指示效率。
结合第一方面的一些实施例,在一些实施例中,上述第一无线帧包括第四标识位,上述第四标识位用于指示一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式。
第二方面,本公开实施例提出了一种通信方法,该方法包括:
STA接收第一无线帧,上述第一无线帧包括第一信息域,上述第一信息域用于指示上述STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
在上述实施例中,AP可通过第一信息域指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式,从而使得STA在支持多SS的情况下可采用不等调试传输上行PPDU,提升传输效率。
结合第二方面的一些实施例,在一些实施例中,上述第一无线帧包括第二信息域,上述第二信息域包括UL BW子域,上述UL BW子域用于指示上述STA对应的上行带宽;
其中,当上述STA通过dRU、RU或MRU发送上行PPDU时,上述上行带宽小于或者等于160MHz。
在上述实施例中,AP还可通过UL BW子域指示STA对应的上行带宽,有利于STA同时确定每个上行SS采用的调制方式以及上行带宽,进而进一步提升传输效率。
结合第二方面的一些实施例,在一些实施例中,上述第一信息域包括UL MCS子域,上述UL MCS子域通过至少一个标识位指示每个上行SS采用的调制方式。
结合第二方面的一些实施例,在一些实施例中,上述STA通过不等调制发送上行PPDU时一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式;
上述UL MCS子域包括以下至少一项:
第一标识位;
第二标识位和第三标识位;
其中,上述UL MCS子域包括上述第一标识位时,上述第一标识位通过不同的索引值指示每个上行SS采用的调制方式的一种组合;上述UL MCS子域包括上述第二标识位和上述第三标识位时,上述第二标识位通过不同的索引值指示一个上行SS采用的一种调制方式,上述第三标识位通过不同的索引值指示其他每个上行SS采用的另一种相同的调制方式。
在上述实施例中,第一无线帧可通过UL MCS子域的第一标识位直接指示每个上行SS所采用的调制方式,可也通过第二标识位和第三标识位联合指示每个上行SS所采用的调制方式的同时,直接指示与其他上行SS采用不同调制方式的一个上行SS,有利于STA快速确定每个上行SS采用的调制方式,进而提升采用不等调制传输上行PPDU的效率。
结合第二方面的一些实施例,在一些实施例中,上述第一信息域包括AID子域,上述AID子域用于指示上述AP在与上述STA进行关联过程中为上述STA分配的关联标识符。
在上述实施例中,第一信息域通过AID子域支持STA对应的唯一关联标识符,有助于STA快速确定AP向STA指示的每个上行SS采用的调制方式,进而提升传输效率。
结合第二方面的一些实施例,在一些实施例中,上述第一信息域包括第一ULtargetreceiverpower子域和第二ULtargetreceiverpower子域;
其中,上述第一ULtargetreceiverpower子域用于指示第一上行SS对应的上行目标接收功率,上述第二ULtargetreceiverpower子域用于指示上述第一上行SS以外的其他上行SS对应的上行目标接收功率,上述第一上行SS采用的调制方式与其他上行SS采用的调制方式不同。
在上述实施例中,第一无线帧可通过第一ULtargetreceiverpower子域和第二ULtargetreceiverpower子域分别指示采用相同调制方式的上行SS所对应的上行目标接收功率,可在节约信令资源的同时提升上行目标接收功率的指示效率。
结合第二方面的一些实施例,在一些实施例中,上述第一无线帧包括第四标识位,上述第四标识位用于指示一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式。
第三方面,本公开实施例提供了一种AP,包括:
处理模块,用于确定第一无线帧,所述第一无线帧包括第一信息域,所述第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式;
收发模块,用于发送所述第一无线帧。
第四方面,本公开实施例提供了一种STA,包括:
收发模块,用于接收第一无线帧,所述第一无线帧包括第一信息域,所述第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
第五方面,本公开实施例提供了一种通信设备,包括一个或多个处理器;
其中,上述通信设备作为AP时,上述处理器执行如第一方面以及第一方面的可选实施方式所提供的通信方法,或者作为STA时,上述处理器执行如第二方面以及第二方面的可选实施方式所提供的通信方法。
第六方面,本公开实施例提出了存储介质,上述存储介质存储有指令,当上述指令在通信设备上运行时,使得上述通信设备执行如第一方面、第二方面、第一方面的可选实施方式以及第二方面的可选实施方式所描述的方法。
第七方面,本公开实施例提出了程序产品,上述程序产品被通信设备执行时,使得上述通信设备执行如第一方面、第二方面、第一方面的可选实施方式以及第二方面的可选实施方式所描述的方法。
第八方面,本公开实施例提出了计算机程序,当其在计算机上运行时,使得计算机执行如第一方面、第二方面、第一方面的可选实施方式以及第二方面的可选实施方式所描述的方法。
第九方面,本公开实施例提供了一种芯片或芯片系统。该芯片或芯片系统包括处理电路,被配置为执行第一方面、第二方面、第一方面的可选实施方式以及第二方面的可选实施方式所描述的方法。
第十方面,本公开实施例提出了一种通信系统,上述通信系统包括AP和STA;其中,上述AP确定并发送第一无线帧,上述第一无线帧包括第一信息域,上述第一信息域用于指示STA通过不等调 制发送上行PPDU时每个上行SS采用的调制方式;上述STA接收上述第一无线帧。
可以理解地,上述AP、STA、通信系统、通信设备、存储介质、程序产品、计算机程序、芯片或芯片系统均用于执行本公开实施例所提出的方法。因此,其所能达到的有益效果可以参考对应方法中的有益效果,此处不再赘述。
本公开实施例提出了一种通信方法、设备以及存储介质。在一些实施例中,通信方法与信息处理方法、通信方法等术语可以相互替换,通信装置与信息处理装置等术语可以相互替换,信息处理系统、通信系统等术语可以相互替换。
本公开实施例并非穷举,仅为部分实施例的示意,不作为对本公开保护范围的具体限制。在不矛盾的情况下,某一实施例中的每个步骤均可以作为独立实施例来实施,且各步骤之间可以任意组合,例如,在某一实施例中去除部分步骤后的方案也可以作为独立实施例来实施,且在某一实施例中各步骤的顺序可以任意交换,另外,某一实施例中的可选实现方式可以任意组合;此外,各实施例之间可以任意组合,例如,不同实施例的部分或全部步骤可以任意组合,某一实施例可以与其他实施例的可选实现方式任意组合。
在各本公开实施例中,如果没有特殊说明以及逻辑冲突,各实施例之间的术语和/或描述具有一致性,且可以互相引用,不同实施例中的技术特征根据其内在的逻辑关系可以组合形成新的实施例。
本公开实施例中所使用的术语只是为了描述特定实施例的目的,而并非作为对本公开的限制。
在本公开实施例中,除非另有说明,以单数形式表示的元素,如“一个”、“一种”、“该”、“上述”、“上述”、“前述”、“这一”等,可以表示“一个且只有一个”,也可以表示“一个或多个”、“至少一个”等。例如,在翻译中使用如英语中的“a”、“an”、“the”等冠词(article)的情况下,冠词之后的名词可以理解为单数表达形式,也可以理解为复数表达形式。
在本公开实施例中,“多个”是指两个或两个以上。
在一些实施例中,“至少一者(至少一项、至少一个)(at least one of)”、“一个或多个(one or more)”、“多个(a plurality of)”、“多个(multiple)等术语可以相互替换。
在一些实施例中,“A、B中的至少一者”、“A和/或B”、“在一情况下A,在另一情况下B”、“响应于一情况A,响应于另一情况B”等记载方式,根据情况可以包括以下技术方案:在一些实施例中A(与B无关地执行A);在一些实施例中B(与A无关地执行B);在一些实施例中从A和B中选择执行(A和B被选择性执行);在一些实施例中A和B(A和B都被执行)。当有A、B、C等更多分支时也类似上述。
在一些实施例中,“A或B”等记载方式,根据情况可以包括以下技术方案:在一些实施例中A(与B无关地执行A);在一些实施例中B(与A无关地执行B);在一些实施例中从A和B中选择执行(A和B被选择性执行)。当有A、B、C等更多分支时也类似上述。
本公开实施例中的“第一”、“第二”等前缀词,仅仅为了区分不同的描述对象,不对描述对象的位置、顺序、优先级、数量或内容等构成限制,对描述对象的陈述参见权利要求或实施例中上下文的描述,不应因为使用前缀词而构成多余的限制。例如,描述对象为“字段”,则“第一字段”和“第二字段”中“字段”之前的序数词并不限制“字段”之间的位置或顺序,“第一”和“第二”并不限制其修饰的“字段”是否在同一个消息中,也不限制“第一字段”和“第二字段”的先后顺序。再如,描述对象为“等级”,则“第一等级”和“第二等级”中“等级”之前的序数词并不限制“等级”之间的优先级。再如,描述对象的数量并不受序数词的限制,可以是一个或者多个,以“第一装置”为例,其中“装置”的数量可以是一个或者多个。此外,不同前缀词修饰的对象可以相同或不同,例如,描述对象为“装置”,则“第一装置”和“第二装置”可以是相同的装置或者不同的装置,其类型可以相同或不同;再如,描述对象为“信息”,则“第一信息”和“第二信息”可以是相同的信息或者不同的信息,其内容可以相同或不同。
在一些实施例中,“包括A”、“包含A”、“用于指示A”、“携带A”,可以解释为直接携带A,也可以解释为间接指示A。
在一些实施例中,“响应于……”、“响应于确定……”、“在……的情况下”、“在……时”、“当……时”、“若……”、“如果……”等术语可以相互替换。
在一些实施例中,“大于”、“大于或等于”、“不小于”、“多于”、“多于或等于”、“不少于”、“高于”、“高于或等于”、“不低于”、“以上”等术语可以相互替换,“小于”、“小于或等于”、“不大于”、“少于”、“少于或等于”、“不多于”、“低于”、“低于或等于”、“不高于”、“以下”等术语可以相互替换。
在一些实施例中,获取数据、信息等可以遵照所在地国家的法律法规。
在一些实施例中,可以在得到用户同意后获取数据、信息等。
此外,本公开实施例的表格中的每一元素、每一行、或每一列均可以作为独立实施例来实施,任意元素、任意行、任意列的组合也可以作为独立实施例来实施。
下面将进一步结合附图对本公开实施例中的技术方案进行清楚、完整地描述,显然,所描述的实 施例仅仅是本公开一部分实施例,并不是全部的实施例。基于本公开中的实施例,本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例,都属于本公开保护的范围。
图1是根据本公开实施例示出的通信系统的架构示意图。
如图1所示,通信系统100包括AP101和STA102。
其中,AP101可以是独立的AP或者是支持多链路的接入点设备(AP Multi-Link Device,AP MLD)的附属AP,在此不做限制。
其中,STA102可以是独立的STA或者是Non-AP MLD的附属STA,在此不做限制。
其中,AP101和STA102相关联。
在一些实施例中,AP101和STA102可以是带有无线保真芯片的终端设备或者网络设备。
其中,AP101在接收STA102发送的上行PPDU之前,可先确定并向STA102发送第一无线帧,以通过第一无线帧中的第一信息域指示STA采用不等调制(Unequal Modulation,UEQM)发送上行PPDU时每个上行空间流(Spatial Stream,SS)采用的调制方式。
基于此,STA102可通过不等调制的方式发送上行PPDU,并在不同的上行SS之间可以采用不同的调制方式。
例如,STA102可通过不等调制的方式发送上行PPDU,可在其中一个上行SS采用一种调制方式,在其他上行SS采用另一种调制方式,实现更优的频谱利用和系统性能。
可以理解的是,本公开实施例描述的通信系统是为了更加清楚的说明本公开实施例的技术方案,并不构成对于本公开实施例提出的技术方案的限定,本领域普通技术人员可知,随着系统架构的演变和新业务场景的出现,本公开实施例提出的技术方案对于类似的技术问题同样适用。
下述本公开实施例可以应用于图1所示的通信系统100、或部分主体,但不限于此。图1所示的各主体是例示,通信系统可以包括图1中的全部或部分主体,也可以包括图1以外的其他主体,各主体数量和形态为任意,各主体可以是实体的也可以是虚拟的,各主体之间的链路关系是例示,其链路可以是任意方式,可以是直接链路也可以是间接链路,可以是有线链路也可以是无线链路。
本公开各实施例可以应用于无线局域网(Wireless Local Area Network,WLAN),如可以适用于IEEE 802.11系统标准,例如802.11a/b/g标准、802.11n标准、802.11ac标准、802.11ax标准、802.11bf、802.11be标准,或其下一代,例如802.11bn。或者,本公开各实施例也可以适用于物联网(internet of things,IoT)网络或车联网(Vehicle to X,V2X)网络等无线局域网系统中。当然,本公开各实施例还可以适用于其他可能的通信系统,例如,长期演进(long term evolution,LTE)系统、LTE频分双工(frequency division duplex,FDD)系统、LTE时分双工(time division duplex,TDD)、通用移动通信系统(universal mobile telecommunication system,UMTS)、全球互联微波接入(worldwide interoperability for microwave access,WiMAX)通信系统、以及第五代(5th generation,5G)通信系统等。
图2是本公开实施例示出的通信方法的交互示意图。图2所示的通信方法包括:
S21,AP发送第一无线帧,第一无线帧包括第一信息域,第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
在一些实施例中,不等调制(UEQM)是指在不同的SS中PPDU的数据部分采用不同的调制方式,譬如一个SS2采用16QAM的调制方式,另一个SS采用64-QAM的调制方式。
在一些实施例中,第一无线帧可以为触发trigger帧,也可以为AP向STA发送的其他无线帧,在此不做限制。
在一些实施例中,第一信息域可以为用户信息userinfo域,也可以为第一无线帧中的其他信息域,在此不做限制。
作为一示例,第一无线帧为触发帧,触发帧包括userinfo域,userinfo信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。其中,STA对应的至少一个上行SS采用一种调制方式,其他剩余上行SS采用另一种调制方式。
在一些实施例中,第一无线帧包括上行带宽UL BW子域,UL BW子域用于指示STA对应的上行带宽。
可选地,第一无线帧包括第二信息域,第二信息域包括UL BW子域,UL BW子域用于指示STA对应的上行带宽。
其中,第二信息域可以为公共信息commoninfo域。
其中,STA对应的上行带宽可以为20MHz、40MHz、80MHz、160MHz或者320MHz。
其中,当STA通过分布式资源单元(Distributed Resource Unit,dRU),资源单元(Resource Unit,RU)或者多资源单元(Multiple Resource Unit,MRU)发送上行PPDU时,STA对应的上行带宽小于或者等于160MHz,即此时STA对应的上行带宽可以为20MHz、40MHz、80MHz或者160MHz。
其中,AP在指示每个上行SS采用的调制方式以及STA对应的上行带宽时,还可在上行带宽范围内为STA分配RU,以使STA根据AP分配的RU以及相应的调制方式发送上行PPDU。
其中,AP在指示每个上行SS采用的调制方式以及STA对应的上行带宽时,还可在上行带宽范围内为STA分配dRU,以使STA根据AP分配的dRU以及相应的调制方式,采用不等调制方式发送上行PPDU。
其中,AP在指示每个上行SS采用的调制方式以及STA对应的上行带宽时,还可在上行带宽范围内为STA分配MRU,以使STA根据AP分配的MRU以及相应的调制方式,采用不等调制方式发送上行PPDU。
其中,AP向STA分配的RU、dRU或者MRU与STA对应的上行带宽相关联,例如,当STA对应的上行带宽为20MHz时,AP可向STA分配20MHz带宽内的26-tone-dRU、52-tone-dRU、106-tone-dRU以及242-tone-dRU等类型的dRU。
在一些实施例中,第一信息域包括上行UL调制与编码策略(Modulation and Coding Scheme,MCS)子域,UL MCS子域通过至少一个标识位指示每个上行SS采用的调制方式。
其中,本公开实施例中STA支持的上行SS的最大数量可以是4、8或者16,在此不做限制。
其中,在STA使用不等调制发送上行PPDU的情况下,STA支持的上行SS的最大数量为4。
其中,STA通过不等调制发送上行PPDU时至少一个上行SS采用一种调制方式,其他剩余上行SS采用另一种相同的调制方式。
作为一示例,STA通过不等调制发送上行PPDU时多个上行SS可以采用同一种调制方式,其他多个SS可以采用另外一种相同的调制方式。
作为一示例,STA通过不等调制发送上行PPDU时一个上行SS采用一种调制方式,剩余上行SS采用另一种相同的调制方式。
其中,本公开实施例中任意一个上行SS可以采用的调制方式包括二进制相移键控(Binary Phase Shift Keying,BPSK)、进制相移键控(Quadrature Phase Shift Keying,QPSK)、正交幅度调制(Quadrature Amplitude Modulation,QAM)中的至少一项。
其中,正交幅度调制包括16-QAM、64-QAM、256-QAM、1024-QAM、4096-QAM。
也即,本公开实施例中任意一个上行SS采用的调制方式可以为BPSK、QPSK、16-QAM、64-QAM、256-QAM、1024-QAM、4096-QAM中的至少一项。
其中,STA对应的userinfo域以及UL MCS子域可以用STA对应的关联标识符进行标识。
也即,第一信息域包括关联标识符(Association Identifier,AID)子域,AID子域用于指示AP与STA进行关联过程中通过关联响应帧(association response)或者重关联响应(Reassociation response)帧为STA分配的唯一关联标识符AID。
其中,第一信息域中的AID子域与UL MCS子域和/或userinfo域相对应,用于表示UL MCS子域和/或userinfo域所指示的内容是AP向AID子域标识的AID所对应的STA所指示的。
在一些实施例中,STA通过不等调制发送上行PPDU时一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式时,UL MCS子域包括第一标识位。
其中,第一标识位通过不同的索引值指示每个上行SS采用的调制方式的一种组合。
其中,第一标识位对应的索引值的具体数值在此不做限制。
其中,当每个上行SS支持的调制方式的种类数为N,且STA使用的上行SS数量为M时,第一标识位可以通过M×N×(N-1)个不同的索引值指示每个上行SS采用的调制方式的一种组合,每种组合中的一个上行SS采用一种调制方式,其他剩余上行SS采用另一种相同的调制方式。
作为一示例,如下表所示,每个上行SS支持的调制方式(Modulation)为BPSK和16-QAM,且STA使用的上行SS数量为4(分别为SS1、SS2、SS3以及SS4)。
当第一标识位指示的索引值(MCS index)为k时,用于指示SS1采用的调制方式为BPSK,SS2- SS4采用的调制方式为16-QAM;第一标识位指示的索引值为k+1时,用于指示SS2采用的调制方式为BPSK,SS1、SS3--SS4采用的调制方式为16-QAM;第一标识位指示的索引值为k+2时,用于指示SS3采用的调制方式为BPSK,SS1-SS2、SS4采用的调制方式为16-QAM;第一标识位指示的索引值为k+3时,用于指示SS4采用的调制方式为BPSK,SS1-SS3采用的调制方式为16-QAM;第一标识位指示的索引值为k+4时,用于指示SS1采用的调制方式为16-QAM,SS2-SS4采用的调制方式为BPSK;第一标识位指示的索引值为k+5时,用于指示SS2采用的调制方式为16-QAM,SS1、SS3-SS4采用的调制方式为BPSK;第一标识位指示的索引值为k+6时,用于指示SS3采用的调制方式为16-QAM,SS1-SS2、SS4采用的调制方式为BPSK;第一标识位指示的索引值为k+7时,用于指示SS4采用的调制方式为16-QAM,SS1-SS3采用的调制方式为BPSK。
可选地,STA通过不等调制发送上行PPDU时一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式时,UL MCS子域包括第二标识位和第三标识位。
其中,第二标识位通过不同的索引值指示一个上行SS采用的一种调制方式,第三标识位通过不同的索引值指示其他每个上行SS采用的另一种相同的调制方式。
其中,第二标识位和第三标识位对应的索引值的具体数值在此不做限制。
其中,当每个上行SS支持的调制方式的种类数为N,且STA使用的上行SS数量为M时,第二标识位和第二标识位可以对应M×N×(N-1)个索引值组合,每个索引值组合中第二标识位对应的索引值指示一个上行SS使用的一种调制方式,每个索引值组合中第三标识位对应的索引值指示除第二标识位指示的上行SS以外的其他所有上行SS所使用的另一种调制方式。
其中,在第二标识位和第三标识位对应的索引值组合中,第二标识位指示的索引值可以有M×N个,且与每个第二标识位指示的索引值构成一个索引值组合的第三标识位的索引值可以有N-1个。
作为一示例,如下表所示,每个上行SS支持的调制方式(Modulation)为BPSK和16-QAM,且STA使用的上行SS数量为4(分别为SS1、SS2、SS3以及SS4)。
当第二标识位指示的索引值(MCS index1)为k时,用于指示SS1采用的调制方式为BPSK,第二标识位指示的索引值(MCS index2)为r时,用于指示SS2-SS4采用的调制方式为16-QAM;第一标识位指示的索引值为k+1时,用于指示SS2采用的调制方式为BPSK,第二标识位指示的索引值(MCS index2)为r+1时,用于指示SS1、SS3--SS4采用的调制方式为16-QAM;第一标识位指示的索引值为k+2时,用于指示SS3采用的调制方式为BPSK,第二标识位指示的索引值(MCS index2)为r+2时,用于指示SS1-SS2、SS4采用的调制方式为16-QAM;第一标识位指示的索引值为k+3时,用于指示SS4采用的调制方式为BPSK,第二标识位指示的索引值(MCS index2)为r+3时,用于指示SS1-SS3采用的调制方式为16-QAM;第一标识位指示的索引值为k+4时,用于指示SS1采用的调制方式为16-QAM,第二标识位指示的索引值(MCS index2)为r+4时,用于指示SS2-SS4采用的调制方式为BPSK;第一标识位指示的索引值为k+5时,用于指示SS2采用的调制方式为16-QAM,第二标识位指示的索引值(MCS index2)为r+5时,用于指示SS1、SS3-SS4采用的调制方式为BPSK;第一标识位指示的索引值为k+6时,用于指示SS3采用的调制方式为16-QAM,第二标识位指示的索引值(MCS index2)为r+6时,用于指示SS1-SS2、SS4采用的调制方式为BPSK;第一标识位指示的索引值为k+7时,用于指示SS4采用的调制方式为16-QAM,第二标识位指示的索引值(MCS index2)为r+7时,用于指示SS1-SS3采用的调制方式为BPSK。
在一些实施例中,STA通过不等调制发送上行PPDU时多个上行SS采用一种调制方式,其他多个上行SS采用另一种相同的调制方式时,UL MCS子域包括第一标识位。
其中,第一标识位通过不同的索引值指示每个上行SS采用的调制方式的一种组合。
其中,第一标识位对应的索引值的具体数值在此不做限制。
其中,每个上行SS采用的调制方式的一种组合中,存在多个上行SS采用同一种调制方式,其他剩余所有上行SS采用另一种相同的调制方式。
可选地,UL MCS子域可以包括第二标识位和第二标识位。
其中,第二标识位通过不同的索引值指示一个多个上行SS采用一种调制方式,第三标识位通过不同的索引值指示多个上行SS采用的一种调制方式。
其中,第二标识位和第三标识位通过索引值组合联合指示每个上行SS采用的调制方式。每个索引值组合中第二标识位对应的索引值指示多个上行SS使用一种调制方式,每个索引值组合中第三标识位对应的索引值指示除第二标识位指示的上行SS以外的其他所有上行SS使用另一种调制方式。
在一些实施例中,第一无线帧包括第四标识位,第四标识位用于指示至少一个上行SS采用的调制方式与其他SS采用的调制方式不同,其他上行SS采用的调制方式相同。
其中,第四标识位可以是第一信息域、第二信息域或者新定义的其他信息域中的标识位,其中,新定义的其他信息域可以为特殊信息specialinfo域,也可以为其他信息域,在此不做限制。
例如,第四标识位可以位于userinfo域,或者位于commoninfo域,或者specialinfo域,在此不做限制。
在一些实施例中,第一信息域还包括第一上行目标接收功率ULtargetreceiverpower子域和第二ULtargetreceiverpower子域。
其中,第一ULtargetreceiverpower子域用于指示第一上行SS对应的上行目标接收功率,第二ULtargetreceiverpower子域用于指示第一上行SS以外的其他上行SS对应的上行目标接收功率。
其中,第一上行SS与其他上行SS采用的调制方式不同。
作为一示例,假设STA发送上行PPDU时使用的上行SS的数量为4,即上行SS分别为SS1-SS4。
当SS1采用的调制方式与SS1-SS4中的其他所有上行SS采用的调制方式均不同时,第一ULtargetreceiverpower子域用于指示SS1对应的上行目标接收功率,第二ULtargetreceiverpower子域用于指示SS2-SS4对应的上行目标接收功率。当SS2采用的调制方式与SS1-SS4中的其他所有上行SS采用的调制方式均不同时,第一ULtargetreceiverpower子域用于指示SS2对应的上行目标接收功率,第二ULtargetreceiverpower子域用于指示SS1、SS3-SS4对应的上行目标接收功率。当SS3采用的调制方式与SS1-SS4中的其他所有上行SS采用的调制方式均不同时,第一ULtargetreceiverpower子域用于指示SS3对应的上行目标接收功率,第二ULtargetreceiverpower子域用于指示SS1-SS2、SS4对应的上行目标接收功率。当SS4采用的调制方式与SS1-SS4中的其他所有上行SS采用的调制方式均不同时,第一ULtargetreceiverpower子域用于指示SS4对应的上行目标接收功率,第二ULtargetreceiverpower子域用于指示SS1-SS3对应的上行目标接收功率。
S22,AP和STA进行上行PPDU传输。
在一些实施例中,STA可根据AP指示的每个上行SS采用的调制方式,通过不等调制向AP发送上行PPDU。AP可在发送第一无线帧之后,根据为STA指示的每个上行SS采用的调制方式,接收STA发送的上行PPDU。
本公开实施例所涉及的通信方法可以包括前述步骤以及实施例中的至少一者。例如,步骤S21-步骤S22中任意一个步骤可以作为独立的实施例来实施,步骤S21-步骤S22可以作为独立的实施例来实施,但不限于此。
图3是本公开实施例示出的通信方法的流程示意图之一。如图3所示,该方法由AP执行,该方法包括:
S31,确定第一无线帧,第一无线帧包括第一信息域,第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
在一些实施例中,第一无线帧可以为触发trigger帧,也可以为AP向STA发送的其他无线帧,在此不做限制。
在一些实施例中,第一信息域可以为用户信息userinfo域,也可以为第一无线帧中的其他信息域,在此不做限制。
作为一示例,第一无线帧为触发帧,触发帧包括userinfo域,userinfo信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。其中,STA对应的至少一个上行SS采用一种调制方式,其他剩余上行SS采用另一种调制方式。
在一些实施例中,第一无线帧包括第一信息域,第一信息域用于指示STA通过不等调制发送上行物理层协议数据单元PPDU时每个上行空间流SS采用的调制方式;
AP发送第一无线帧。
在一些实施例中,第一无线帧包括第二信息域,第二信息域包括上行带宽UL BW子域,UL BW子域用于指示STA对应的上行带宽;
其中,当STA通过分布式资源单元dRU、资源单元RU或多资源单元MRU发送上行PPDU时,上行带宽小于或者等于160MHz。
在一些实施例中,第一信息域包括上行调制与编码策略UL MCS子域,UL MCS子域通过至少一个标识位指示每个上行SS采用的调制方式。
在一些实施例中,STA通过不等调制发送上行PPDU时一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式;
UL MCS子域包括以下至少一项:
第一标识位;
第二标识位和第三标识位;
其中,UL MCS子域包括第一标识位时,第一标识位通过不同的索引值指示每个上行SS采用的调制方式的一种组合;UL MCS子域包括第二标识位和第三标识位时,第二标识位通过不同的索引值指示一个上行SS采用的一种调制方式,第三标识位通过不同的索引值指示其他每个上行SS采用的另一种相同的调制方式。
在一些实施例中,第一信息域包括关联标识符AID子域,AID子域用于指示AP在与STA进行关联过程中为STA分配的关联标识符。
在一些实施例中,第一信息域包括第一上行目标接收功率UL target receiver power子域和第二UL target receiver power子域;
其中,第一UL target receiver power子域用于指示第一上行SS对应的上行目标接收功率,第二UL target receiver power子域用于指示第一上行SS以外的其他上行SS对应的上行目标接收功率,第一上行SS采用的调制方式与其他上行SS采用的调制方式不同。
在一些实施例中,第一无线帧包括第四标识位,第四标识位用于指示一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式。
S32,发送第一无线帧。
在一些实施例中,AP可在发送第一无线帧之后,根据为STA指示的每个上行SS采用的调制方式,接收STA通过不等调制发送的上行PPDU。
本公开实施例所涉及的通信方法可以包括前述步骤以及实施例中的至少一者。例如,步骤S31-步骤S32中任意一个步骤可以作为独立的实施例来实施,步骤S31-步骤S32可以作为独立的实施例来实施,但不限于此。
图4是本公开实施例示出的通信方法的流程示意图之二。如图4所示,该方法由第一A执行,该方法包括:
S41,接收第一无线帧,第一无线帧包括第一信息域,第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
在一些实施例中,第一无线帧包括第一信息域,第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
在一些实施例中,第一无线帧可以为触发trigger帧,也可以为AP向STA发送的其他无线帧,在此不做限制。
在一些实施例中,第一信息域可以为用户信息userinfo域,也可以为第一无线帧中的其他信息域,在此不做限制。
作为一示例,第一无线帧为触发帧,触发帧包括userinfo域,userinfo信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。其中,STA对应的至少一个上行SS采用一种调制方式,其他剩余上行SS采用另一种调制方式。
在一些实施例中,,第一无线帧包括第二信息域,第二信息域包括UL BW子域,UL BW子域用于指示STA对应的上行带宽;
其中,当STA通过dRU、RU或MRU发送上行PPDU时,上行带宽小于或者等于160MHz。
在一些实施例中,第一信息域包括UL MCS子域,UL MCS子域通过至少一个标识位指示每个上行SS采用的调制方式。
在一些实施例中,STA通过不等调制发送上行PPDU时一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式;
UL MCS子域包括以下至少一项:
第一标识位;
第二标识位和第三标识位;
其中,UL MCS子域包括第一标识位时,第一标识位通过不同的索引值指示每个上行SS采用的调制方式的一种组合;UL MCS子域包括第二标识位和第三标识位时,第二标识位通过不同的索引值指示一个上行SS采用的一种调制方式,第三标识位通过不同的索引值指示其他每个上行SS采用的另一种相同的调制方式。
在一些实施例中,第一信息域包括AID子域,AID子域用于指示AP在与STA进行关联过程中为STA分配的关联标识符。
在一些实施例中,第一信息域包括第一UL target receiver power子域和第二UL target receiver power子域;
其中,第一UL target receiver power子域用于指示第一上行SS对应的上行目标接收功率,第二UL target receiver power子域用于指示第一上行SS以外的其他上行SS对应的上行目标接收功率,第一上行SS采用的调制方式与其他上行SS采用的调制方式不同。
在一些实施例中,第一无线帧包括第四标识位,第四标识位用于指示一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式。
在一些实施例中,STA可根据AP指示的每个上行SS采用的调制方式,通过不等调制向AP发送上行PPDU。
图5是本公开实施例提出的AP的结构示意图。如图5所示,AP500可以包括:处理模块510和收发模块520。
在一些实施例中,上述处理模块510,用于确定第一无线帧,所述第一无线帧包括第一信息域,所述第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
在一些实施例中,上述收发模块520,用于发送第一无线帧。
可选地,上述处理模块510用于执行以上任一方法中AP执行的处理步骤(例如S31,但不限于此)中的至少一者,此处不再赘述。上述收发模块520用于执行以上任一方法中AP执行的收发步骤(例如步骤S21、步骤S22、步骤S31,但不限于此)中的至少一者,此处不再赘述。
图6是本公开实施例提出的STA的结构示意图。如图6所示,STA600可以包括:收发模块610。
在一些实施例中,上述收发模块610,用于接收第一无线帧,所述第一无线帧包括第一信息域,所述第一信息域用于指示所述STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
可选地,上述收发模块610用于执行以上任一方法中STA执行的收发步骤(例如步骤S22、步骤S31,但不限于此)中的至少一者,此处不再赘述。
应理解以上各单元或模块的划分仅是一种逻辑功能的划分,在实际实现时可以全部或部分集成到一个物理实体上,也可以物理上分开。此外,单元或模块可以以处理器调用软件的形式实现:例如包括处理器,处理器与存储器连接,存储器中存储有指令,处理器调用存储器中存储的指令,以实现以上任一方法或实现上述各单元或模块的功能,其中处理器例如为通用处理器,例如中央处理单元(Central Processing Unit,CPU)或微处理器,存储器为设备内外的存储器。或者,设备中的单元或模块可以以硬件电路的形式实现,可以通过对硬件电路的设计实现部分或全部单元或模块的功能,上述硬件电路可以理解为一个或多个处理器;例如,在一种实现中,上述硬件电路为专用集成电路(application-specific integrated circuit,ASIC),通过对电路内元件逻辑关系的设计,实现以上部分或全部单元或模块的功能;再如,在另一种实现中,上述硬件电路为可以通过可编程逻辑器件(programmable logic device,PLD)实现,以现场可编程门阵列(Field Programmable Gate Array,FPGA)为例,其可以包括大量逻辑门电路,通过配置文件来配置逻辑门电路之间的连接关系,从而实现以上部分或全部单元或模块的功能。以上装置的所有单元或模块可以全部通过处理器调用软件的形式实现,或全部通过硬件电路的形式实现,或部分通过处理器调用软件的形式实现,剩余部分通过硬件电路的形式实现。
在本公开实施例中,处理器是具有信号处理能力的电路,在一种实现中,处理器可以是具有指令读取与运行能力的电路,例如中央处理单元(Central Processing Unit,CPU)、微处理器、图形处理器(graphics processing unit,GPU)(可以理解为微处理器)、或数字信号处理器(digital signal processor,DSP)等;在另一种实现中,处理器可以通过硬件电路的逻辑关系实现一定功能,上述硬件电路的逻辑关系是固定的或可以重构的,例如处理器为专用集成电路(application-specific integrated circuit,ASIC)或可编程逻辑器件(programmable logic device,PLD)实现的硬件电路,例如FPGA。在可重构的硬件电路中,处理器加载配置文档,实现硬件电路配置的过程,可以理解为处理器加载指令,以实现以上部分或全部单元或模块的功能的过程。此外,还可以是针对人工智能设计的硬件电路,其可以理解为ASIC,例如神经网络处理单元(Neural Network Processing Unit,NPU)、张量处理单元(Tensor Processing Unit,TPU)、深度学习处理单元(Deep learning Processing Unit,DPU)等。
图7是本公开实施例提出的通信设备的结构示意图。通信设备700可以是AP或者STA,也可以是支持AP或者STA实现以上任一方法的芯片、芯片系统、或处理器等。通信设备可用于实现上述方法实施例中描述的方法,具体可以参见上述方法实施例中的说明。
如图7所示,通信设备700包括一个或多个处理器701。处理器701可以是通用处理器或者专用处理器等,例如可以是基带处理器或中央处理器。基带处理器可以用于对通信协议以及通信数据进行 处理,中央处理器可以用于对通信装置(如,基站、基带芯片,终端设备、终端设备芯片,DU或CU等)进行控制,执行程序,处理程序的数据。通信设备700用于执行以上任一方法。
在一些实施例中,通信设备700还包括用于存储指令的一个或多个存储器702。可选地,全部或部分存储器702也可以处于通信设备700之外。
在一些实施例中,通信设备700还包括一个或多个收发器703。在通信设备700包括一个或多个收发器703时,收发器703执行上述方法中的发送和/或接收等通信步骤(例如步骤S21、步骤S22、步骤S32、步骤S41,但不限于此)中的至少一者,处理器701执行其他步骤(例如步骤S31,但不限于此)中的至少一者。
在一些实施例中,收发器可以包括接收器和/或发送器,接收器和发送器可以是分离的,也可以集成在一起。可选地,收发器、收发单元、收发机、收发电路等术语可以相互替换,发送器、发送单元、发送机、发送电路等术语可以相互替换,接收器、接收单元、接收机、接收电路等术语可以相互替换。
在一些实施例中,通信设备700可以包括一个或多个接口电路704。可选地,接口电路704与存储器702连接,接口电路704可用于从存储器702或其他装置接收信号,可用于向存储器702或其他装置发送信号。例如,接口电路704可读取存储器702中存储的指令,并将该指令发送给处理器701。
以上实施例描述中的通信设备700可以是第一网络设备或者第二网络设备,但本公开中描述的通信设备700的范围并不限于此,通信设备700的结构可以不受图7的限制。通信设备可以是独立的设备或者可以是较大设备的一部分。例如上述通信设备可以是:1)独立的集成电路IC,或芯片,或,芯片系统或子系统;(2)具有一个或多个IC的集合,可选地,上述IC集合也可以包括用于存储数据,程序的存储部件;(3)ASIC,例如调制解调器(Modem);(4)可嵌入在其他设备内的模块;(5)接收机、终端设备、智能终端设备、蜂窝电话、无线设备、手持机、移动单元、车载设备、网络设备、云设备、人工智能设备等等;(6)其他等等。
图8是本公开实施例提出的芯片800的结构示意图。芯片800包括一个或多个处理器801,芯片800用于执行以上任一方法。
在一些实施例中,芯片800还包括一个或多个803接口电路。可选地,接口电路803与存储器802连接,接口电路803可以用于从存储器802或其他装置接收信号,接口电路803可用于向存储器802或其他装置发送信号。例如,接口电路803可读取存储器802中存储的指令,并将该指令发送给处理器801。
在一些实施例中,接口电路803执行上述方法中的发送和/或接收等通信步骤(例例如步骤S21、步骤S22、步骤S32、步骤S41,但不限于此)中的至少一者,处理器801执行其他步骤(例如步骤S31,但不限于此)中的至少一者。
在一些实施例中,接口电路、接口、收发管脚、收发器等术语可以相互替换。
在一些实施例中,芯片800还包括用于存储指令的一个或多个存储器802。可选地,全部或部分存储器802可以处于芯片800之外。
本公开还提出存储介质,上述存储介质上存储有指令,当上述指令在通信设备700上运行时,使得通信设备700执行以上任一方法。可选地,上述存储介质是电子存储介质。可选地,上述存储介质是计算机可读存储介质,但不限于此,其也可以是其他装置可读的存储介质。可选地,上述存储介质可以是非暂时性存储介质,但不限于此,其也可以是暂时性存储介质。
本公开还提出程序产品,上述程序产品被通信设备700执行时,使得通信设备700执行以上任一方法。可选地,上述程序产品是计算机程序产品。
本公开还提出计算机程序,当其在计算机上运行时,使得计算机执行以上任一方法。以上描述仅为本公开的较佳实施例以及对所运用技术原理的说明。本领域技术人员应当理解,本公开中所涉及的公开范围,并不限于上述技术特征的特定组合而成的技术方案,同时也应涵盖在不脱离上述公开构思的情况下,由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本公开中公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。

Claims (19)

  1. 一种通信方法,其特征在于,所述方法包括:
    AP确定第一无线帧,所述第一无线帧包括第一信息域,所述第一信息域用于指示STA通过不等调制发送上行物理层协议数据单元PPDU时每个上行空间流SS采用的调制方式;
    所述AP发送所述第一无线帧。
  2. 根据权利要求1所述的方法,其特征在于,所述第一无线帧包括第二信息域,所述第二信息域包括上行带宽UL BW子域,所述UL BW子域用于指示所述STA对应的上行带宽;
    其中,当所述STA通过分布式资源单元dRU、资源单元RU或多资源单元MRU发送上行PPDU时,所述上行带宽小于或者等于160MHz。
  3. 根据权利要求1所述的方法,其特征在于,所述第一信息域包括上行调制与编码策略UL MCS子域,所述UL MCS子域通过至少一个标识位指示每个上行SS采用的调制方式。
  4. 根据权利要求3所述的方法,其特征在于,所述STA通过不等调制发送上行PPDU时,一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式;
    所述UL MCS子域包括以下至少一项:
    第一标识位;
    第二标识位和第三标识位;
    其中,所述UL MCS子域包括所述第一标识位时,所述第一标识位通过不同的索引值指示每个上行SS采用的调制方式的一种组合;所述UL MCS子域包括所述第二标识位和所述第三标识位时,所述第二标识位通过不同的索引值指示一个上行SS采用的一种调制方式,所述第三标识位通过不同的索引值指示其他每个上行SS采用的另一种相同的调制方式。
  5. 根据权利要求4所述的方法,其特征在于,所述第一信息域包括第一上行目标接收功率ULtargetreceiverpower子域和第二ULtargetreceiverpower子域;
    其中,所述第一ULtargetreceiverpower子域用于指示第一上行SS对应的上行目标接收功率,所述第二ULtargetreceiverpower子域用于指示所述第一上行SS以外的其他上行SS对应的上行目标接收功率,所述第一上行SS采用的调制方式与其他上行SS采用的调制方式不同。
  6. 根据权利要求3所述的方法,其特征在于,所述第一信息域包括关联标识符AID子域,所述AID子域用于指示所述AP在与所述STA进行关联过程中为所述STA分配的关联标识符。
  7. 根据权利要求1所述的方法,其特征在于,所述第一无线帧包括第四标识位,所述第四标识位用于指示一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式。
  8. 一种通信方法,其特征在于,所述方法包括:
    STA接收第一无线帧,所述第一无线帧包括第一信息域,所述第一信息域用于指示所述STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
  9. 根据权利要求8所述的方法,其特征在于,所述第一无线帧包括第二信息域,所述第二信息域包括UL BW子域,所述UL BW子域用于指示所述STA对应的上行带宽;
    其中,当所述STA通过dRU、RU或MRU发送上行PPDU时,所述上行带宽小于或者等于160MHz。
  10. 根据权利要求8所述的方法,其特征在于,所述第一信息域包括UL MCS子域,所述UL MCS子域通过至少一个标识位指示每个上行SS采用的调制方式。
  11. 根据权利要求10所述的方法,其特征在于,所述STA通过不等调制发送上行PPDU时一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式;
    所述UL MCS子域包括以下至少一项:
    第一标识位;
    第二标识位和第三标识位;
    其中,所述UL MCS子域包括所述第一标识位时,所述第一标识位通过不同的索引值指示每个上行SS采用的调制方式的一种组合;所述UL MCS子域包括所述第二标识位和所述第三标识位时,所述第二标识位通过不同的索引值指示一个上行SS采用的一种调制方式,所述第三标识位通过不同的索引值指示其他每个上行SS采用的另一种相同的调制方式。
  12. 根据权利要求11所述的方法,其特征在于,所述第一信息域包括第一ULtargetreceiverpower子域和第二ULtargetreceiverpower子域;
    其中,所述第一ULtargetreceiverpower子域用于指示第一上行SS对应的上行目标接收功率,所述第二ULtargetreceiverpower子域用于指示所述第一上行SS以外的其他上行SS对应的上行目标接收功率,所述第一上行SS采用的调制方式与其他上行SS采用的调制方式不同。
  13. 根据权利要求10所述的方法,其特征在于,所述第一信息域包括AID子域,所述AID子域用于指示所述AP在与所述STA进行关联过程中为所述STA分配的关联标识符。
  14. 根据权利要求8所述的方法,其特征在于,所述第一无线帧包括第四标识位,所述第四标识位用于指示一个上行SS采用一种调制方式,其他上行SS采用另一种相同的调制方式。
  15. 一种AP,其特征在于,包括:
    处理模块,用于确定第一无线帧,所述第一无线帧包括第一信息域,所述第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式;
    收发模块,用于发送所述第一无线帧。
  16. 一种STA,其特征在于,包括:
    收发模块,用于接收第一无线帧,所述第一无线帧包括第一信息域,所述第一信息域用于指示STA通过不等调制发送上行PPDU时每个上行SS采用的调制方式。
  17. 一种通信设备,其特征在于,包括:
    一个或多个处理器;
    其中,所述处理器用于执行权利要求1-7或者权利要求8-14中任一项所述的通信方法。
  18. 一种存储介质,其特征在于,所述存储介质存储有指令,当所述指令在通信设备上运行时,使得所述通信设备执行权利要求1-7或者权利要求8-14中任一项所述的通信方法。
  19. 一种通信系统,所述通信系统包括AP和STA;其中,AP确定并发送第一无线帧,所述第一无线帧包括第一信息域,所述第一信息域用于指示STA通过不等调制发送上行物理层协议数据单元PPDU时每个上行空间流SS采用的调制方式;所述STA接收所述第一无线帧。
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