Communication method and device, and storage medium
By sending wireless frames containing modulation scheme indicators via the AP, the problem of low transmission efficiency of STA under unequal modulation is solved, and more efficient uplink PPDU transmission is achieved.
Patent Information
- Application Number
- PCT/CN2024/103988
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2026-01-08
AI Technical Summary
In the prior art, when the STA transmits uplink physical layer protocol data unit (PPDU) using unequal modulation, the modulation scheme of each uplink spatial stream (SS) needs to be re-indicated, resulting in low transmission efficiency.
The AP determines and transmits a radio frame containing a first information field, instructing the STA on the modulation scheme of each uplink spatial stream (SS) under unequal modulation, including the UL BW subdomain, UL MCS subdomain, and AID subdomain, so that the STA can determine the modulation scheme and bandwidth of each uplink SS.
It improves the transmission efficiency of STA in multi-SS scenarios and enhances the overall performance of the communication system by simplifying the indication of signaling resources and quickly determining the modulation scheme.
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Figure CN2024103988_08012026_PF_FP_ABST
Abstract
Description
Communication method, device, and storage medium TECHNICAL FIELD
[0001] The present disclosure relates to the technical field of communication, and in particular to a communication method, device, and storage medium. BACKGROUND
[0002] In the prior art, a STA can send an uplink physical layer protocol data unit (PPDU) through multiple uplink spatial streams (SSs). However, if the STA sends the PPDU through unequal modulation, the modulation mode used by each uplink SS needs to be indicated again.
[0003] SUMMARY
[0004] Embodiments of the present disclosure provide a communication method, device, and storage medium.
[0005] In a first aspect, embodiments of the present disclosure provide a communication method, comprising:
[0006] An AP determines a first radio frame, wherein the first radio frame comprises a first information field, and the first information field is used to indicate a modulation mode used by each uplink spatial stream (SS) when a STA sends an uplink physical layer protocol data unit (PPDU) through unequal modulation.
[0007] The AP sends the first radio frame.
[0008] In a second aspect, embodiments of the present disclosure provide a communication method, comprising:
[0009] A STA receives a first radio frame, wherein the first radio frame comprises a first information field, and the first information field is used to indicate a modulation mode used by each uplink spatial stream (SS) when the STA sends an uplink physical layer protocol data unit (PPDU) through unequal modulation.
[0010] In a third aspect, embodiments of the present disclosure provide an AP, comprising:
[0011] A processing module is configured to determine a first radio frame, wherein the first radio frame comprises a first information field, and the first information field is used to indicate a modulation mode used by each uplink spatial stream (SS) when a STA sends an uplink physical layer protocol data unit (PPDU) through unequal modulation.
[0012] A transceiver module is configured to send the first radio frame.
[0013] In a fourth aspect, embodiments of the present disclosure provide a STA, comprising:
[0014] The transceiving module is configured to receive a first wireless frame, wherein the first wireless frame comprises a first information field, and the first information field is used to indicate a modulation mode of each uplink spatial stream (SS) when the STA transmits an uplink physical layer protocol data unit (PPDU) by using unequal modulation.
[0015] In a fifth aspect, an embodiment of the present disclosure provides a communication device, comprising one or more processors; when the communication device is an AP, the processor is configured to execute the communication method provided in the first aspect of the present disclosure; and when the communication device is a STA, the processor is configured to execute the communication method provided in the second aspect of the present disclosure.
[0016] In a sixth aspect, an embodiment of the present disclosure provides a storage medium, which stores instructions, and when the instructions are executed on a communication device, the communication device executes the communication method provided in the first aspect or the second aspect of the present disclosure.
[0017] In a seventh aspect, an embodiment of the present disclosure provides a communication system, comprising an AP and a STA; the AP determines and transmits a first wireless frame, wherein the first wireless frame comprises a first information field, and the first information field is used to indicate a modulation mode of each uplink spatial stream (SS) when the STA transmits an uplink physical layer protocol data unit (PPDU) by using unequal modulation; and the STA receives the first wireless frame.
[0018] Based on the communication method, device and storage medium provided in the embodiments of the present disclosure, an indication method of the modulation mode of each uplink SS under unequal modulation can be provided.
[0019] Additional aspects and advantages of the embodiments of the present disclosure will be in part apparent and in part explicit from the following description. BRIEF DESCRIPTION OF DRAWINGS
[0020] In order to more clearly illustrate the technical solutions of the embodiments of the present disclosure, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present disclosure. Obviously, the drawings in the following description are only some embodiments of the present disclosure, and other drawings can be obtained by those skilled in the art without any creative effort on the basis of these drawings.
[0021] FIG. 1 is an architecture schematic diagram of a communication system according to an embodiment of the present disclosure;
[0022] FIG. 2 is an interaction schematic diagram of a communication method according to an embodiment of the present disclosure;
[0023] FIG. 3 is a flow schematic diagram of a communication method according to an embodiment of the present disclosure;
[0024] FIG. 4 is a flowchart of a communication method according to an embodiment of the present disclosure;
[0025] FIG. 5 is a structural diagram of an AP according to an embodiment of the present disclosure;
[0026] FIG. 6 is a structural diagram of an STA according to an embodiment of the present disclosure;
[0027] FIG. 7 is a structural diagram of a communication device according to an embodiment of the present disclosure;
[0028] FIG. 8 is a structural diagram of a chip according to an embodiment of the present disclosure. DETAILED DESCRIPTION
[0029] The present disclosure provides a communication method, device and storage medium.
[0030] In a first aspect, the present disclosure provides a communication method, comprising:
[0031] The AP determines a first wireless frame, wherein the first wireless frame comprises a first information field, and the first information field is used to indicate a modulation mode of each uplink spatial stream (SS) of a STA when the STA transmits an uplink physical layer protocol data unit (PPDU) by using unequal modulation.
[0032] The AP transmits the first wireless frame.
[0033] In the above embodiment, the AP can indicate the modulation mode of each uplink SS of the STA when the STA transmits an uplink PPDU by using unequal modulation through the first information field, so that the STA can transmit the uplink PPDU by using unequal modulation in the case of supporting multiple SSs, thereby improving transmission efficiency.
[0034] In some embodiments of the first aspect, the first wireless frame comprises a second information field, the second information field comprises an uplink bandwidth (UL BW) subfield, and the UL BW subfield is used to indicate an uplink bandwidth corresponding to the STA.
[0035] When the STA transmits the uplink PPDU by using a distributed resource unit (dRU), a resource unit (RU) or a multiple resource unit (MRU), the uplink bandwidth is less than or equal to 160 MHz.
[0036] In the above embodiment, the AP can also indicate the uplink bandwidth corresponding to the STA through the UL BW subfield, which is beneficial for the STA to determine the modulation mode of each uplink SS and the uplink bandwidth at the same time, thereby further improving transmission efficiency.
[0037] In some embodiments of the first aspect, in some embodiments, the first information field comprises an uplink modulation and coding strategy (UL MCS) subfield, and the UL MCS subfield indicates a modulation scheme of each uplink SS by at least one identification bit.
[0038] In some embodiments of the first aspect, in some embodiments, when the STA transmits the uplink PPDU by using different modulation schemes, one uplink SS uses one modulation scheme, and the other uplink SS uses another same modulation scheme.
[0039] The UL MCS subfield comprises at least one of the following:
[0040] a first identification bit;
[0041] a second identification bit and a third identification bit;
[0042] When the UL MCS subfield comprises the first identification bit, the first identification bit indicates a combination of modulation schemes of each uplink SS by different index values; when the UL MCS subfield comprises the second identification bit and the third identification bit, the second identification bit indicates a modulation scheme of one uplink SS by different index values, and the third identification bit indicates another same modulation scheme of each uplink SS by different index values.
[0043] In the above embodiments, the first wireless frame can directly indicate the modulation scheme of each uplink SS by the first identification bit of the UL MCS subfield, and can also directly indicate one uplink SS using a different modulation scheme from the other uplink SS while jointly indicating the modulation scheme of each uplink SS by the second identification bit and the third identification bit, which is beneficial to the STA to quickly determine the modulation scheme of each uplink SS, and further improves the transmission efficiency of the uplink PPDU using different modulation schemes.
[0044] In some embodiments of the first aspect, in some embodiments, the first information field comprises an association identifier (AID) subfield, and the AID subfield is used to indicate an association identifier allocated by the AP to the STA in an association process.
[0045] In the above embodiments, the first information field supports a unique association identifier of the STA by the AID subfield, which is helpful for the STA to quickly determine the modulation scheme of each uplink SS indicated by the AP to the STA, and further improves the transmission efficiency.
[0046] In some embodiments of the first aspect, in some embodiments, the first information field includes a first uplink target receiver power (ULtargetreceiverpower) subfield and a second ULtargetreceiverpower subfield.
[0047] The first ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to the first uplink SS, and the second ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to other uplink SSs than the first uplink SS, and the modulation mode used by the first uplink SS is different from the modulation mode used by other uplink SSs.
[0048] In the above embodiments, the first radio frame can indicate the uplink target receiver power corresponding to the uplink SSs using the same modulation mode through the first ULtargetreceiverpower subfield and the second ULtargetreceiverpower subfield, which can save signaling resources and improve the indication efficiency of the uplink target receiver power.
[0049] In some embodiments of the first aspect, in some embodiments, the first radio frame includes a fourth identification bit, and the fourth identification bit is used to indicate that one uplink SS uses one modulation mode and other uplink SSs use another same modulation mode.
[0050] In a second aspect, the embodiments of the present disclosure provide a communication method, which includes:
[0051] The STA receives a first radio frame, and the first radio frame includes a first information field, and the first information field is used to indicate the modulation mode used by each uplink SS when the STA transmits an uplink PPDU through unequal modulation.
[0052] In the above embodiments, the AP can indicate the modulation mode used by each uplink SS when the STA transmits an uplink PPDU through unequal modulation through the first information field, so that the STA can transmit an uplink PPDU through unequal modulation in the case of supporting multiple SSs, thereby improving the transmission efficiency.
[0053] In some embodiments of the second aspect, in some embodiments, the first radio frame includes a second information field, and the second information field includes an uplink bandwidth (UL BW) subfield, and the UL BW subfield is used to indicate the uplink bandwidth corresponding to the STA.
[0054] When the STA transmits an uplink PPDU through a data unit (dRU), an RU, or a multiple RU (MRU), the uplink bandwidth is less than or equal to 160 MHz.
[0055] In the above embodiments, the AP can also indicate the uplink bandwidth corresponding to the STA through the UL BW subfield, which is beneficial to the STA to determine the modulation mode of each uplink SS and the uplink bandwidth at the same time, thereby further improving the transmission efficiency.
[0056] In some embodiments in combination with the second aspect, the first information field includes an UL MCS subfield, and the UL MCS subfield indicates the modulation mode of each uplink SS through at least one identification bit.
[0057] In some embodiments in combination with the second aspect, when the STA transmits the uplink PPDU through the unequal modulation, one uplink SS adopts one modulation mode, and the other uplink SS adopts another same modulation mode.
[0058] The UL MCS subfield includes at least one of the following:
[0059] The first identification bit;
[0060] The second identification bit and the third identification bit;
[0061] When the UL MCS subfield includes the first identification bit, the first identification bit indicates one combination of the modulation modes of each uplink SS through different index values; when the UL MCS subfield includes the second identification bit and the third identification bit, the second identification bit indicates one modulation mode of one uplink SS through different index values, and the third identification bit indicates another same modulation mode of each uplink SS through different index values.
[0062] In the above embodiments, the first wireless frame can directly indicate the modulation mode of each uplink SS through the first identification bit of the UL MCS subfield, and can also directly indicate one uplink SS with a different modulation mode from the other uplink SS while jointly indicating the modulation modes of each uplink SS through the second identification bit and the third identification bit, which is beneficial to the STA to quickly determine the modulation mode of each uplink SS, thereby improving the efficiency of transmitting the uplink PPDU through the unequal modulation.
[0063] In some embodiments in combination with the second aspect, the first information field includes an AID subfield, and the AID subfield is used to indicate an association identifier allocated by the AP to the STA in an association process with the STA.
[0064] In the above embodiments, the first information field supports the unique association identifier corresponding to the STA through the AID subfield, which is beneficial to the STA to quickly determine the modulation mode of each uplink SS indicated by the AP to the STA, thereby improving the transmission efficiency.
[0065] In some embodiments of the second aspect, in some embodiments, the first information field includes a first ULtargetreceiverpower subfield and a second ULtargetreceiverpower subfield.
[0066] The first ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to the first uplink SS, and the second ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to other uplink SSs except the first uplink SS. The modulation mode used by the first uplink SS is different from the modulation mode used by other uplink SSs.
[0067] In the above embodiments, the first radio frame can indicate the uplink target receiver power corresponding to the uplink SSs using the same modulation mode through the first ULtargetreceiverpower subfield and the second ULtargetreceiverpower subfield, so as to save signaling resources and improve the indication efficiency of the uplink target receiver power.
[0068] In some embodiments of the second aspect, in some embodiments, the first radio frame includes a fourth identification bit, and the fourth identification bit is used to indicate that one uplink SS uses one modulation mode and other uplink SSs use another same modulation mode.
[0069] In a third aspect, the embodiments of the present disclosure provide an AP, including:
[0070] A processing module is configured to determine a first radio frame, and the first radio frame includes a first information field, and the first information field is used to indicate the modulation mode used by each uplink SS when the STA transmits an uplink PPDU through unequal modulation.
[0071] A transceiver module is configured to transmit the first radio frame.
[0072] In a fourth aspect, the embodiments of the present disclosure provide a STA, including:
[0073] A transceiver module is configured to receive a first radio frame, and the first radio frame includes a first information field, and the first information field is used to indicate the modulation mode used by each uplink SS when the STA transmits an uplink PPDU through unequal modulation.
[0074] In a fifth aspect, the embodiments of the present disclosure provide a communication device, including one or more processors.
[0075] The processor executes the communication method provided by the first aspect and the optional implementation of the first aspect when the communication device is the AP, or executes the communication method provided by the second aspect and the optional implementation of the second aspect when the communication device is the STA.
[0076] In a sixth aspect, the embodiments of the present disclosure provide a storage medium, which stores instructions. When the instructions are executed on a communication device, the communication device executes the method described in the first aspect, the second aspect, the optional implementation of the first aspect, and the optional implementation of the second aspect.
[0077] In a seventh aspect, the embodiments of the present disclosure provide a program product, which is executed by a communication device, so that the communication device executes the method described in the first aspect, the second aspect, the optional implementation of the first aspect, and the optional implementation of the second aspect.
[0078] In an eighth aspect, the embodiments of the present disclosure provide a computer program, which is executed on a computer, so that the computer executes the method described in the first aspect, the second aspect, the optional implementation of the first aspect, and the optional implementation of the second aspect.
[0079] In a ninth aspect, the embodiments of the present disclosure provide a chip or a chip system. The chip or the chip system includes processing circuitry configured to execute the method described in the first aspect, the second aspect, the optional implementation of the first aspect, and the optional implementation of the second aspect.
[0080] In a tenth aspect, the embodiments of the present disclosure provide a communication system, which includes an AP and a STA. The AP determines and sends a first wireless frame, the first wireless frame includes a first information field, and the first information field is used to indicate the modulation mode of each uplink SS when the STA transmits an uplink PPDU by unequal modulation. The STA receives the first wireless frame.
[0081] It can be understood that the AP, the STA, the communication system, the communication device, the storage medium, the program product, the computer program, the chip or the chip system are all used to execute the method provided by the embodiments of the present disclosure. Therefore, the beneficial effects achieved thereby can refer to the beneficial effects in the corresponding method, which will not be described here.
[0082] The embodiments of the present disclosure provide a communication method, a device, and a storage medium. In some embodiments, the terms of the communication method and the information processing method can be replaced with each other, the terms of the communication device and the information processing device can be replaced with each other, and the terms of the information processing system and the communication system can be replaced with each other.
[0083] The embodiments of the present disclosure are not exhaustive, but only illustrate some embodiments, and are not specific limitations on the protection scope of the present disclosure. In the case of no contradiction, each step in an embodiment can be implemented as an independent embodiment, and the steps can be combined arbitrarily, for example, the scheme after removing part of the steps in an embodiment can also be implemented as an independent embodiment, and the order of the steps in an embodiment can be exchanged arbitrarily, in addition, the optional implementation in an embodiment can be combined arbitrarily; in addition, the embodiments can be combined arbitrarily, for example, part or all steps of different embodiments can be combined arbitrarily, an embodiment can be combined with optional implementation of other embodiments.
[0084] In each embodiment of the present disclosure, the terms and / or descriptions between the embodiments are consistent if there is no special description and logical conflict, and can be referred to each other, and the technical features in different embodiments can be combined to form new embodiments according to their inherent logical relationship.
[0085] The terms used in the embodiments of the present disclosure are only for the purpose of describing the specific embodiments, and not as a limitation on the present disclosure.
[0086] In the embodiments of the present disclosure, unless otherwise specified, the elements expressed in singular form, such as "one", "a", "the", "the above", "the above", "the above", "this" and the like, can represent "one and only one", and can also represent "one or more", "at least one" and the like. For example, in the case of using articles such as "a", "an", "the" and the like in English, the noun after the article can be understood as singular expression, and can also be understood as plural expression.
[0087] In the embodiments of the present disclosure, "a plurality of" means two or more.
[0088] In some embodiments, the terms "at least one of", "one or more", "a plurality of", "multiple" and the like can be replaced with each other.
[0089] In some embodiments, "at least one of A, B", "A and / or B", "in one case A, in another case B", "responsive to case A, responsive to case B" and the like, can be used to represent one or more of the following technical solutions: in some embodiments, A (A is executed regardless of B); in some embodiments, B (B is executed regardless of A); in some embodiments, A and B are selected from (A and B are selectively executed); in some embodiments, A and B (A and B are executed). When there are more branches such as A, B, C, and the like, the above is similar.
[0090] In some embodiments, "A or B" and the like can include the following technical solutions according to the case: in some embodiments, A (A is executed regardless of B); in some embodiments, B (B is executed regardless of A); in some embodiments, A and B are selected from (A and B are selectively executed). When there are more branches such as A, B, C, and the like, the above is similar.
[0091] In the embodiments of the present disclosure, the prefix words "first", "second" and the like are only used to distinguish different description objects, and do not constitute limitations on the position, order, priority, quantity or content of the description objects. The description of the description objects should be referred to the description in the context of the claims or embodiments, and should not be limited by the prefix words. For example, the description object is "field", and the ordinal words before "field" in "first field" and "second field" do not limit the position or order between "fields", and "first" and "second" do not limit whether the "fields" modified thereby are in the same message or not, nor limit the order of "first field" and "second field". For another example, the description object is "level", and the ordinal words before "level" in "first level" and "second level" do not limit the priority between "levels". For another example, the quantity of the description object is not limited by the ordinal words, and can be one or more. For example, "first device", wherein the quantity of "device" can be one or more. In addition, the objects modified by different prefix words can be the same or different, for example, the description object is "device", and "first device" and "second device" can be the same device or different devices, and the types thereof can be the same or different; for another example, the description object is "information", and "first information" and "second information" can be the same information or different information, and the content thereof can be the same or different.
[0092] In some embodiments, "including A", "containing A", "for indicating A", "carrying A" can be interpreted as directly carrying A, or indirectly indicating A.
[0093] In some embodiments, the terms "in response to", "in response to determining", "in the case of", "when", "when", "if", "if" and the like can be replaced with each other.
[0094] In some embodiments, 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", "above", and the like can be replaced with each other, and 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", "below", and the like can be replaced with each other.
[0095] In some embodiments, obtaining data, information, and the like can comply with the laws and regulations of the country where the location is located.
[0096] In some embodiments, data, information, and the like can be obtained after obtaining the consent of the user.
[0097] In addition, each element, each row, or each column in the table of the embodiments of the present 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.
[0098] The technical solutions in the embodiments of the present disclosure will be further described clearly and completely in combination with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present disclosure, and not all embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by a person of ordinary skill in the art without creative labor are within the scope of protection of the present disclosure.
[0099] FIG. 1 is a schematic diagram of an architecture of a communication system according to an embodiment of the present disclosure.
[0100] As shown in FIG. 1, the communication system 100 includes an AP 101 and a STA 102.
[0101] The AP 101 can be an independent AP or an affiliated AP of an AP Multi-Link Device (AP MLD), which is not limited here.
[0102] The STA 102 can be an independent STA or an affiliated STA of a Non-AP MLD, which is not limited here.
[0103] The AP 101 and the STA 102 are associated.
[0104] In some embodiments, the AP 101 and the STA 102 can be terminal devices or network devices with a wireless fidelity chip.
[0105] The AP 101 can determine and send a first wireless frame to the STA 102 before receiving the uplink PPDU sent by the STA 102, to indicate the modulation mode of each uplink spatial stream (SS) when the STA 102 sends the uplink PPDU by using unequal modulation (UEQM) through a first information field in the first wireless frame.
[0106] Based on this, the STA 102 can send the uplink PPDU by using unequal modulation, and different modulation modes can be used between different uplink SSs.
[0107] For example, the STA 102 can send the uplink PPDU by using unequal modulation, and one modulation mode can be used in one uplink SS and another modulation mode can be used in other uplink SSs, to achieve better spectrum utilization and system performance.
[0108] It can be understood that the communication system described in the embodiments of the present disclosure is for more clearly illustrating the technical solutions of the embodiments of the present disclosure, and does not constitute a limitation on the technical solutions proposed in the embodiments of the present disclosure. It can be known by those skilled in the art that, as the system architecture evolves and new business scenarios appear, the technical solutions proposed in the embodiments of the present disclosure are also applicable to similar technical problems.
[0109] The following embodiments of the present disclosure can be applied to the communication system 100 shown in FIG. 1 or part of the subject, but are not limited thereto. The subjects shown in FIG. 1 are exemplary, and the communication system can include all or part of the subjects in FIG. 1, or other subjects other than those in FIG. 1. The number and form of each subject is arbitrary, each subject can be physical or virtual, and the link relationship between each subject is exemplary. The link can be in any way, can be a direct link or an indirect link, and can be a wired link or a wireless link.
[0110] Embodiments of the present disclosure can be applied to a wireless local area network (WLAN), such as can be applicable to IEEE 802.11 system standards, for example, 802.11a / b / g standards, 802.11n standards, 802.11ac standards, 802.11ax standards, 802.11bf, 802.11be standards, or the next generation thereof, for example, 802.11bn. Alternatively, embodiments of the present disclosure can also be applicable to a wireless local area network system such as an internet of things (IoT) network or a vehicle to X (V2X) network. Of course, embodiments of the present disclosure can also be applicable to other possible communication systems, for example, a long term evolution (LTE) system, an LTE frequency division duplex (FDD) system, an LTE time division duplex (TDD), a universal mobile telecommunication system (UMTS), a worldwide interoperability for microwave access (WiMAX) communication system, and a 5th generation (5G) communication system, etc.
[0111] FIG. 2 is an interaction diagram of a communication method according to an embodiment of the present disclosure. The communication method shown in FIG. 2 includes:
[0112] S21, the AP sends a first wireless frame, the first wireless frame including a first information field, the first information field being used to indicate a modulation mode adopted by each uplink SS when the STA transmits an uplink PPDU by unequal modulation.
[0113] In some embodiments, unequal modulation (UEQM) refers to that different modulation modes are adopted for data portions of PPDUs in different SSs, for example, one SS adopts a 16QAM modulation mode, and another SS adopts a 64-QAM modulation mode.
[0114] In some embodiments, the first wireless frame can be a trigger frame, or can be another wireless frame sent by the AP to the STA, which is not limited herein.
[0115] In some embodiments, the first information field can be a user information (userinfo) field, or can be another information field in the first wireless frame, which is not limited herein.
[0116] As an example, the first wireless frame is a trigger frame, the trigger frame includes a userinfo field, the userinfo field is used to indicate a modulation mode used by each uplink SS when the STA transmits an uplink PPDU by unequal modulation. Wherein, at least one uplink SS corresponding to the STA uses one modulation mode, and other remaining uplink SS uses another modulation mode.
[0117] In some embodiments, the first wireless frame includes an uplink bandwidth (UL BW) subfield, the UL BW subfield is used to indicate an uplink bandwidth corresponding to the STA.
[0118] Optionally, the first wireless frame includes a second information field, the second information field includes an UL BW subfield, the UL BW subfield is used to indicate an uplink bandwidth corresponding to the STA.
[0119] Wherein, the second information field can be a common information (common info) field.
[0120] Wherein, the uplink bandwidth corresponding to the STA can be 20MHz, 40MHz, 80MHz, 160MHz or 320MHz.
[0121] Wherein, when the STA transmits an uplink PPDU by a distributed resource unit (dRU), a resource unit (RU) or a multiple resource unit (MRU), the uplink bandwidth corresponding to the STA is less than or equal to 160MHz, that is, the uplink bandwidth corresponding to the STA can be 20MHz, 40MHz, 80MHz or 160MHz.
[0122] Wherein, when indicating the modulation mode used by each uplink SS and the uplink bandwidth corresponding to the STA, the AP can also allocate a RU within the uplink bandwidth range for the STA, so that the STA transmits an uplink PPDU according to the RU allocated by the AP and the corresponding modulation mode.
[0123] Wherein, when indicating the modulation mode used by each uplink SS and the uplink bandwidth corresponding to the STA, the AP can also allocate a dRU within the uplink bandwidth range for the STA, so that the STA transmits an uplink PPDU by unequal modulation according to the dRU allocated by the AP and the corresponding modulation mode.
[0124] Wherein, when indicating the modulation mode used by each uplink SS and the uplink bandwidth corresponding to the STA, the AP can also allocate a MRU within the uplink bandwidth range for the STA, so that the STA transmits an uplink PPDU by unequal modulation according to the MRU allocated by the AP and the corresponding modulation mode.
[0125] The RU, dRU or MRU allocated by the AP to the STA is associated with the uplink bandwidth corresponding to the STA, for example, when the uplink bandwidth corresponding to the STA is 20 MHz, the AP can allocate 26-tone-dRU, 52-tone-dRU, 106-tone-dRU and 242-tone-dRU and the like types of dRU within the 20 MHz bandwidth to the STA.
[0126] In some embodiments, the first information field includes an uplink UL modulation and coding scheme (MCS) subfield, and the UL MCS subfield indicates the modulation mode adopted by each uplink SS through at least one identification bit.
[0127] In the embodiments of the present disclosure, the maximum number of uplink SSs supported by the STA can be 4, 8 or 16, which is not limited here.
[0128] In the case where the STA transmits the uplink PPDU by using unequal modulation, the maximum number of uplink SSs supported by the STA is 4.
[0129] In the case where the STA transmits the uplink PPDU by using unequal modulation, at least one uplink SS adopts one modulation mode, and the other remaining uplink SSs adopt another same modulation mode.
[0130] As an example, in the case where the STA transmits the uplink PPDU by using unequal modulation, a plurality of uplink SSs can adopt one same modulation mode, and the other plurality of SSs can adopt another same modulation mode.
[0131] As an example, in the case where the STA transmits the uplink PPDU by using unequal modulation, one uplink SS adopts one modulation mode, and the remaining uplink SSs adopt another same modulation mode.
[0132] In the embodiments of the present disclosure, the modulation mode that can be adopted by any one uplink SS includes at least one of binary phase shift keying (BPSK), quadrature phase shift keying (QPSK) and quadrature amplitude modulation (QAM).
[0133] The quadrature amplitude modulation includes 16-QAM, 64-QAM, 256-QAM, 1024-QAM and 4096-QAM.
[0134] That is, the modulation mode used by any one of the uplink SSs in the embodiments of the present disclosure can be at least one of BPSK, QPSK, 16-QAM, 64-QAM, 256-QAM, 1024-QAM, 4096-QAM.
[0135] The Association Identifier (AID) subfield in the first information field corresponds to the UL MCS subfield and / or the userinfo field, and is used to indicate that the content indicated by the UL MCS subfield and / or the userinfo field is indicated by the STA corresponding to the AID identified by the AID subfield.
[0136] That is, the first information field includes an Association Identifier (AID) subfield, and the AID subfield is used to indicate a unique association identifier AID allocated to the STA by the AP through an association response frame or a Reassociation response frame in an association process.
[0137] The AID subfield in the first information field corresponds to the UL MCS subfield and / or the userinfo field, and is used to indicate that the content indicated by the UL MCS subfield and / or the userinfo field is indicated by the STA corresponding to the AID identified by the AID subfield.
[0138] In some embodiments, when one uplink SS uses one modulation mode and the other uplink SS uses another same modulation mode when the STA transmits the uplink PPDU through the unequal modulation, the UL MCS subfield includes a first identification bit.
[0139] The first identification bit indicates one combination of the modulation modes used by each uplink SS through different index values.
[0140] The specific value of the index value corresponding to the first identification bit is not limited herein.
[0141] When the number of modulation modes supported by each uplink SS is N, and the number of uplink SSs used by the STA is M, the first identification bit can indicate one combination of the modulation modes used by each uplink SS through MxNx(N-1) different index values, one uplink SS in each combination uses one modulation mode, and the other remaining uplink SSs use another same modulation mode.
[0142] As an example, as shown in the following table, the modulation mode supported by each uplink SS is BPSK and 16-QAM, and the number of uplink SSs used by the STA is 4 (SS1, SS2, SS3, and SS4).
[0143] When the index value (MCS index) indicated by the first identification bit is k, the modulation mode adopted by SS1 is BPSK, and the modulation modes adopted by SS2-SS4 are 16-QAM; when the index value indicated by the first identification bit is k+1, the modulation mode adopted by SS2 is BPSK, and the modulation modes adopted by SS1, SS3-SS4 are 16-QAM; when the index value indicated by the first identification bit is k+2, the modulation mode adopted by SS3 is BPSK, and the modulation modes adopted by SS1-SS2, SS4 are 16-QAM; when the index value indicated by the first identification bit is k+3, the modulation mode adopted by SS4 is BPSK, and the modulation modes adopted by SS1-SS3 are 16-QAM; when the index value indicated by the first identification bit is k+4, the modulation mode adopted by SS1 is 16-QAM, and the modulation modes adopted by SS2-SS4 are BPSK; when the index value indicated by the first identification bit is k+5, the modulation mode adopted by SS2 is 16-QAM, and the modulation modes adopted by SS1, SS3-SS4 are BPSK; when the index value indicated by the first identification bit is k+6, the modulation mode adopted by SS3 is 16-QAM, and the modulation modes adopted by SS1-SS2, SS4 are BPSK; when the index value indicated by the first identification bit is k+7, the modulation mode adopted by SS4 is 16-QAM, and the modulation modes adopted by SS1-SS3 are BPSK.
[0144] Optionally, when one uplink SS adopts one modulation mode and other uplink SSs adopt another same modulation mode when the STA transmits the uplink PPDU by the unequal modulation, the UL MCS subfield includes a second identification bit and a third identification bit.
[0145] The second identification bit indicates one modulation mode adopted by one uplink SS through different index values, and the third identification bit indicates another same modulation mode adopted by each of the other uplink SSs through different index values.
[0146] The specific values of the index values corresponding to the second identification bit and the third identification bit are not limited herein.
[0147] When the number of types of modulation modes supported by each uplink SS is N, and the number of uplink SSs used by the STA is M, the second identification bit and the third identification bit can correspond to M×N×(N-1) index value combinations, the index value corresponding to the second identification bit in each index value combination indicates one modulation mode used by one uplink SS, and the index value corresponding to the third identification bit in each index value combination indicates another modulation mode used by all the other uplink SSs except the uplink SS indicated by the second identification bit.
[0148] In the index value combination corresponding to the second identification bit and the third identification bit, the index value indicated by the second identification bit can be MxN, and the index value of the third identification bit constituting an index value combination with each index value indicated by the second identification bit can be N-1.
[0149] As an example, as shown in the following table, the modulation mode (Modulation) supported by each uplink SS is BPSK and 16-QAM, and the number of uplink SS used by the STA is 4 (SS1, SS2, SS3 and SS4 respectively).
[0150] When the index value (MCS index1) indicated by the second identification bit is k, the modulation mode adopted by SS1 is BPSK, and when the index value (MCS index2) indicated by the second identification bit is r, the modulation mode adopted by SS2-SS4 is 16-QAM; when the index value indicated by the first identification bit is k+1, the modulation mode adopted by SS2 is BPSK, and when the index value (MCS index2) indicated by the second identification bit is r+1, the modulation mode adopted by SS1, SS3-SS4 is 16-QAM; when the index value indicated by the first identification bit is k+2, the modulation mode adopted by SS3 is BPSK, and when the index value (MCS index2) indicated by the second identification bit is r+2, the modulation mode adopted by SS1-SS2, SS4 is 16-QAM; when the index value indicated by the first identification bit is k+3, the modulation mode adopted by SS4 is BPSK, and when the index value (MCS index2) indicated by the second identification bit is r+3, the modulation mode adopted by SS1-SS3 is 16-QAM; when the index value indicated by the first identification bit is k+4, the modulation mode adopted by SS1 is 16-QAM, and when the index value (MCS index2) indicated by the second identification bit is r+4, the modulation mode adopted by SS2-SS4 is BPSK; when the index value indicated by the first identification bit is k+5, the modulation mode adopted by SS2 is 16-QAM, and when the index value (MCS index2) indicated by the second identification bit is r+5, the modulation mode adopted by SS1, SS3-SS4 is BPSK; when the index value indicated by the first identification bit is k+6, the modulation mode adopted by SS3 is 16-QAM, and when the index value (MCS index2) indicated by the second identification bit is r+6, the modulation mode adopted by SS1-SS2, SS4 is BPSK; when the index value indicated by the first identification bit is k+7, the modulation mode adopted by SS4 is 16-QAM, and when the index value (MCS index2) indicated by the second identification bit is r+7, the modulation mode adopted by SS1-SS3 is BPSK.
[0151] In some embodiments, the STA adopts one modulation mode for a plurality of uplink SSs and another same modulation mode for other plurality of uplink SSs when sending the uplink PPDU by unequal modulation, and the UL MCS subfield includes a first identification bit.
[0152] The first identification bit indicates one combination of modulation modes adopted by each uplink SS through different index values.
[0153] The specific value of the index value corresponding to the first identification bit is not limited herein.
[0154] In one combination of modulation modes adopted by each uplink SS, a plurality of uplink SSs adopt one same modulation mode, and all the remaining uplink SSs adopt another same modulation mode.
[0155] Optionally, the UL MCS subfield can include a second identification bit and a third identification bit.
[0156] The second identification bit indicates one modulation mode adopted by a plurality of uplink SSs through different index values, and the third identification bit indicates one modulation mode adopted by a plurality of uplink SSs through different index values.
[0157] The second identification bit and the third identification bit jointly indicate the modulation mode adopted by each uplink SS through index value combinations. In each index value combination, the index value corresponding to the second identification bit indicates one modulation mode adopted by a plurality of uplink SSs, and the index value corresponding to the third identification bit indicates another modulation mode adopted by all the remaining uplink SSs except the uplink SSs indicated by the second identification bit.
[0158] In some embodiments, the first radio frame includes a fourth identification bit, and the fourth identification bit is used to indicate that at least one uplink SS adopts a modulation mode different from the modulation mode adopted by other SSs, and the modulation mode adopted by other uplink SSs is the same.
[0159] The fourth identification bit can be an identification bit in the first information field, the second information field, or a newly defined other information field. The newly defined other information field can be a special information specialinfo field or other information field, which is not limited herein.
[0160] For example, the fourth identification bit can be located in the userinfo field, or in the commoninfo field, or in the specialinfo field, which is not limited herein.
[0161] In some embodiments, the first information field further comprises a first uplink target receiver power ULtargetreceiverpower subfield and a second ULtargetreceiverpower subfield.
[0162] The first ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to the first uplink SS, and the second ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to other uplink SSs than the first uplink SS.
[0163] The first uplink SS adopts a modulation mode different from that of other uplink SSs.
[0164] As an example, it is assumed that the number of uplink SSs used by the STA when sending the uplink PPDU is 4, i.e., the uplink SSs are SS1-SS4.
[0165] When the modulation mode adopted by SS1 is different from that of all other uplink SSs in SS1-SS4, the first ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to SS1, and the second ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to SS2-SS4. When the modulation mode adopted by SS2 is different from that of all other uplink SSs in SS1-SS4, the first ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to SS2, and the second ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to SS1, SS3-SS4. When the modulation mode adopted by SS3 is different from that of all other uplink SSs in SS1-SS4, the first ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to SS3, and the second ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to SS1-SS2, SS4. When the modulation mode adopted by SS4 is different from that of all other uplink SSs in SS1-SS4, the first ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to SS4, and the second ULtargetreceiverpower subfield is used to indicate the uplink target receiver power corresponding to SS1-SS3.
[0166] S22, the AP and the STA perform uplink PPDU transmission.
[0167] In some embodiments, the STA can send the uplink PPDU to the AP by unequal modulation according to the modulation mode of each uplink SS indicated by the AP. The AP can receive the uplink PPDU sent by the STA according to the modulation mode of each uplink SS indicated for the STA after sending the first wireless frame.
[0168] The communication method related to the embodiments of the present disclosure can include the foregoing steps and at least one of the embodiments. For example, any one of steps S21-S22 can be implemented as an independent embodiment, and steps S21-S22 can be implemented as an independent embodiment, but are not limited thereto.
[0169] FIG. 3 is one of flow diagrams of a communication method according to an embodiment of the present disclosure. As shown in FIG. 3, the method is performed by an AP, and the method includes:
[0170] S31, determining a first wireless frame, the first wireless frame including a first information field, the first information field being used to indicate a modulation mode of each uplink SS when the STA sends an uplink PPDU by unequal modulation.
[0171] In some embodiments, the first wireless frame can be a trigger frame, or can be another wireless frame sent by the AP to the STA, which is not limited herein.
[0172] In some embodiments, the first information field can be a userinfo field, or can be another information field in the first wireless frame, which is not limited herein.
[0173] As an example, the first wireless frame is a trigger frame, and the trigger frame includes a userinfo field, the userinfo field being used to indicate a modulation mode of each uplink SS when the STA sends an uplink PPDU by unequal modulation. Among them, at least one uplink SS corresponding to the STA adopts one modulation mode, and the other remaining uplink SS adopts another modulation mode.
[0174] In some embodiments, the first wireless frame includes a first information field, the first information field being used to indicate a modulation mode of each uplink spatial stream SS when the STA sends an uplink physical layer protocol data unit PPDU by unequal modulation;
[0175] The AP sends the first wireless frame.
[0176] In some embodiments, the first wireless 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 an uplink bandwidth corresponding to the STA;
[0177] When the STA transmits the uplink PPDU through the distributed resource unit dRU, the resource unit RU, or the multiple resource unit MRU, the uplink bandwidth is less than or equal to 160 MHz.
[0178] In some embodiments, the first information field includes an uplink modulation and coding strategy UL MCS subfield, and the UL MCS subfield indicates a modulation scheme adopted by each uplink SS through at least one identification bit.
[0179] In some embodiments, when the STA transmits the uplink PPDU through the unequal modulation, one uplink SS adopts one modulation scheme, and other uplink SS adopts another same modulation scheme.
[0180] The UL MCS subfield includes at least one of the following:
[0181] The first identification bit;
[0182] The second identification bit and the third identification bit;
[0183] When the UL MCS subfield includes the first identification bit, the first identification bit indicates one combination of modulation schemes adopted by each uplink SS through different index values; and when the UL MCS subfield includes the second identification bit and the third identification bit, the second identification bit indicates one modulation scheme adopted by one uplink SS through different index values, and the third identification bit indicates another same modulation scheme adopted by each of other uplink SS through different index values.
[0184] In some embodiments, the first information field includes an association identifier AID subfield, and the AID subfield is used to indicate an association identifier allocated by the AP to the STA in an association process.
[0185] In some embodiments, the first information field includes a first uplink target receiver power UL target receiver power subfield and a second UL target receiver power subfield.
[0186] The first UL target receiver power subfield is used to indicate an uplink target receiver power corresponding to the first uplink SS, the second UL target receiver power subfield is used to indicate an uplink target receiver power corresponding to other uplink SS except the first uplink SS, and the modulation scheme adopted by the first uplink SS is different from the modulation scheme adopted by other uplink SS.
[0187] In some embodiments, the first wireless frame includes a fourth identification bit, and the fourth identification bit is used to indicate that one uplink SS adopts one modulation scheme and other uplink SS adopts another same modulation scheme.
[0188] S32, transmitting the first wireless frame.
[0189] In some embodiments, the AP can receive the uplink PPDU sent by the STA through unequal modulation according to the modulation mode adopted by each uplink SS indicated for the STA after transmitting the first wireless frame.
[0190] The communication method related to the embodiments of the present disclosure can include the foregoing steps and at least one of the embodiments. For example, any one of steps S31-S32 can be implemented as an independent embodiment, and steps S31-S32 can be implemented as an independent embodiment, but are not limited thereto.
[0191] FIG. 4 is a flow diagram of a communication method according to an embodiment of the present disclosure. As shown in FIG. 4, the method is performed by a first A, and the method includes:
[0192] S41, receiving a first wireless frame, the first wireless frame including a first information field, the first information field being used to indicate a modulation mode adopted by each uplink SS when the STA sends an uplink PPDU through unequal modulation.
[0193] In some embodiments, the first wireless frame includes a first information field, and the first information field is used to indicate a modulation mode adopted by each uplink SS when the STA sends an uplink PPDU through unequal modulation.
[0194] In some embodiments, the first wireless frame can be a trigger frame, or can be another wireless frame sent by the AP to the STA, which is not limited herein.
[0195] In some embodiments, the first information field can be a userinfo field, or can be another information field in the first wireless frame, which is not limited herein.
[0196] As an example, the first wireless frame is a trigger frame, and the trigger frame includes a userinfo field, and the userinfo field is used to indicate a modulation mode adopted by each uplink SS when the STA sends an uplink PPDU through unequal modulation. Among them, at least one uplink SS corresponding to the STA adopts a modulation mode, and the other remaining uplink SS adopts another modulation mode.
[0197] In some embodiments, the first wireless frame includes a second information field, and the second information field includes an UL BW subfield, and the UL BW subfield is used to indicate an uplink bandwidth corresponding to the STA.
[0198] Among them, when the STA sends an uplink PPDU through a dRU, an RU, or an MRU, the uplink bandwidth is less than or equal to 160 MHz.
[0199] In some embodiments, the first information field comprises a UL MCS subfield, and the UL MCS subfield indicates a modulation mode adopted by each uplink SS through at least one identification bit.
[0200] In some embodiments, when the STA transmits the uplink PPDU through unequal modulation, one uplink SS adopts one modulation mode, and other uplink SS adopts another same modulation mode.
[0201] The UL MCS subfield comprises at least one of:
[0202] a first identification bit;
[0203] a second identification bit and a third identification bit;
[0204] When the UL MCS subfield comprises the first identification bit, the first identification bit indicates one combination of modulation modes adopted by each uplink SS through different index values; when the UL MCS subfield comprises the second identification bit and the third identification bit, the second identification bit indicates one modulation mode adopted by one uplink SS through different index values, and the third identification bit indicates another same modulation mode adopted by each of other uplink SS through different index values.
[0205] In some embodiments, the first information field comprises an AID subfield, and the AID subfield is used to indicate an association identifier allocated by the AP to the STA in an association process.
[0206] In some embodiments, the first information field comprises a first UL target receiver power subfield and a second UL target receiver power subfield.
[0207] The first UL target receiver power subfield is used to indicate uplink target receiving power corresponding to the first uplink SS, the second UL target receiver power subfield is used to indicate uplink target receiving power corresponding to other uplink SS except the first uplink SS, and the modulation mode adopted by the first uplink SS is different from the modulation mode adopted by other uplink SS.
[0208] In some embodiments, the first wireless frame comprises a fourth identification bit, and the fourth identification bit is used to indicate that one uplink SS adopts one modulation mode and other uplink SS adopts another same modulation mode.
[0209] In some embodiments, the STA can transmit the uplink PPDU to the AP through unequal modulation according to the modulation mode adopted by each uplink SS indicated by the AP.
[0210] Figure 5 is a schematic diagram of the structure of an AP according to an embodiment of the present disclosure. As shown in Figure 5, the AP 500 can include a processing module 510 and a transceiver module 520.
[0211] In some embodiments, the processing module 510 is configured to determine a first wireless frame, the first wireless frame including a first information field, the first information field being used to indicate a modulation mode used by each uplink SS when the STA transmits an uplink PPDU by unequal modulation.
[0212] In some embodiments, the transceiver module 520 is configured to transmit the first wireless frame.
[0213] Optionally, the processing module 510 is configured to perform at least one of the processing steps performed by the AP in any of the methods described above (for example, step S31, but not limited thereto), which will not be described here again. The transceiver module 520 is configured to perform at least one of the transceiving steps performed by the AP in any of the methods described above (for example, step S21, step S22, step S31, but not limited thereto), which will not be described here again.
[0214] Figure 6 is a schematic diagram of the structure of an STA according to an embodiment of the present disclosure. As shown in Figure 6, the STA 600 can include a transceiver module 610.
[0215] In some embodiments, the transceiver module 610 is configured to receive a first wireless frame, the first wireless frame including a first information field, the first information field being used to indicate a modulation mode used by each uplink SS when the STA transmits an uplink PPDU by unequal modulation.
[0216] Optionally, the transceiver module 610 is configured to perform at least one of the transceiving steps performed by the STA in any of the methods described above (for example, step S22, step S31, but not limited thereto), which will not be described here again.
[0217] It should be understood that the division of the above units or modules is only a logical function division, and all or part of them can be integrated into a physical entity or physically separated in actual implementation. In addition, the units or modules can be implemented in the form of processor calling software: for example, including a processor, a memory connected to the processor, and instructions stored in the memory, and the processor calls the instructions stored in the memory to implement any of the above methods or realize the functions of the above units or modules, wherein the processor is, for example, a general processor such as a central processing unit (CPU) or a microprocessor, and the memory is a memory inside or outside the device. Alternatively, the units or modules in the device can be implemented in the form of hardware circuit, and the functions of part or all of the units or modules can be realized by the design of the hardware circuit. The above hardware circuit can be understood as one or more processors; for example, in one implementation, the above hardware circuit is an application-specific integrated circuit (ASIC), and the functions of part or all of the above units or modules are realized by the design of the logical relationship between the elements in the circuit; for example, in another implementation, the above hardware circuit is realized by a programmable logic device (PLD), and a field programmable gate array (FPGA) is taken as an example, which can include a large number of logic gate circuits, and the connection relationship between the logic gate circuits is configured by a configuration file, so as to realize the functions of part or all of the above units or modules. All units or modules of the above device can be realized by processor calling software, or all units or modules can be realized by hardware circuit, or part of the units or modules can be realized by processor calling software, and the remaining part can be realized by hardware circuit.
[0218] In the embodiments of the present disclosure, the processor is a circuit with signal processing capability. In one implementation, the processor can be a circuit with instruction reading and running capability, such as a central processing unit (CPU), a microprocessor, a graphics processing unit (GPU) (which can be understood as a microprocessor), a digital signal processor (DSP), or the like. In another implementation, the processor can implement certain functions through a logical relationship of hardware circuits, and the logical relationship of the hardware circuits is fixed or can be reconfigured. For example, the processor is a hardware circuit implemented by an application-specific integrated circuit (ASIC) or a programmable logic device (PLD), such as an FPGA. In the reconfigurable hardware circuit, the processor loads a configuration document to implement the configuration of the hardware circuit. It can be understood that the processor loads instructions to implement the functions of the above part or all units or modules. In addition, it can also be a hardware circuit designed for artificial intelligence, which can be understood as an ASIC, such as a neural network processing unit (NPU), a tensor processing unit (TPU), a deep learning processing unit (DPU), and the like.
[0219] FIG. 7 is a structural schematic diagram of a communication device according to an embodiment of the present disclosure. The communication device 700 can be an AP or a STA, and can also be a chip, a chip system, or a processor supporting the implementation of the AP or the STA of any of the above methods. The communication device can be used to implement the method described in the above method embodiments, and specific implementation can be referred to the description in the above method embodiments.
[0220] As shown in FIG. 7, the communication device 700 includes one or more processors 701. The processor 701 can be a general-purpose processor or a special-purpose processor, such as a baseband processor or a central processor. The baseband processor can be used to process communication protocols and communication data, and the central processor can be used to control a communication device (such as a base station, a baseband chip, a terminal device, a terminal device chip, a DU or a CU, etc.), execute a program, and process data of the program. The communication device 700 is configured to execute any of the above methods.
[0221] In some embodiments, the communication device 700 further includes one or more memories 702 for storing instructions. Optionally, all or part of the memories 702 can also be outside the communication device 700.
[0222] In some embodiments, the communication device 700 further includes one or more transceivers 703. When the communication device 700 includes one or more transceivers 703, the transceiver 703 performs at least one of the communication steps (for example, steps S21, steps S22, steps S32, steps S41, but not limited to) in the above methods, and the processor 701 performs at least one of the other steps (for example, step S31, but not limited to).
[0223] In some embodiments, the transceiver can include a receiver and / or a transmitter, which can be separate or integrated together. Optionally, the terms of transceiver, transceiving unit, transceiver, transceiving circuit, etc. can be replaced with each other, the terms of transmitter, transmitting unit, transmitter, transmitting circuit, etc. can be replaced with each other, and the terms of receiver, receiving unit, receiver, receiving circuit, etc. can be replaced with each other.
[0224] In some embodiments, the communication device 700 can include one or more interface circuits 704. Optionally, the interface circuit 704 is connected with 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. For example, the interface circuit 704 can read the instructions stored in the memory 702 and send the instructions to the processor 701.
[0225] The communication device 700 described in the above embodiments can be a first network device or a second network device, but the scope of the communication device 700 described in the present disclosure is not limited to this, and the structure of the communication device 700 can not be limited by Figure 7. The communication device can be a standalone device or can be part of a larger device. For example, the above communication device can be: 1) a standalone integrated circuit (IC), or a chip, or a chip system or subsystem; (2) a set of one or more ICs, optionally, the above IC set can also include a storage component for storing data, programs; (3) an ASIC, such as a Modem; (4) a module that can be embedded in other devices; (5) a receiver, terminal device, intelligent terminal device, cellular phone, wireless device, handset, mobile unit, vehicle-mounted device, network device, cloud device, artificial intelligence device, etc.; (6) other, etc.
[0226] Figure 8 is a structural schematic diagram of a chip 800 according to an embodiment of the present disclosure. The chip 800 includes one or more processors 801, and the chip 800 is configured to execute any of the above methods.
[0227] In some embodiments, the chip 800 further comprises one or more interface circuits 803. Optionally, the interface circuit 803 is connected with the memory 802, the interface circuit 803 can be used to receive signals from the memory 802 or other devices, the interface circuit 803 can be used to send signals to the memory 802 or other devices. For example, the interface circuit 803 can read instructions stored in the memory 802 and send the instructions to the processor 801.
[0228] In some embodiments, the interface circuit 803 performs at least one of the communication steps (for example, steps S21, S22, S32, S41, but not limited thereto) in the above-described methods, and the processor 801 performs at least one of the other steps (for example, step S31, but not limited thereto).
[0229] In some embodiments, the terms interface circuit, interface, transceiver pin, transceiver, etc. can be replaced with each other.
[0230] In some embodiments, the chip 800 further comprises one or more memories 802 for storing instructions. Optionally, all or part of the memory 802 can be outside the chip 800.
[0231] The present disclosure also proposes a storage medium, and the above-mentioned storage medium stores instructions, when the above-mentioned instructions run on the communication device 700, the communication device 700 executes any one of the above methods. Optionally, the above-mentioned storage medium is an electronic storage medium. Optionally, the above-mentioned storage medium is a computer readable storage medium, but not limited thereto, it can also be a storage medium readable by other devices. Optionally, the above-mentioned storage medium can be a non-transitory storage medium, but not limited thereto, it can also be a transitory storage medium.
[0232] The present disclosure also proposes a program product, and the above-mentioned program product is executed by the communication device 700, so that the communication device 700 executes any one of the above methods. Optionally, the above-mentioned program product is a computer program product.
[0233] The present disclosure also proposes a computer program, when it runs on a computer, so that the computer executes any one of the above methods. The above description is only the preferred embodiments of the present disclosure and the explanation of the applied technical principles. Those skilled in the art should understand that the disclosure range involved in the present disclosure is not limited to the technical solutions formed by the specific combination of the above technical features, and should also cover other technical solutions formed by any combination of the above technical features or their equivalent features without departing from the above disclosure concept. For example, the above-mentioned features and the technical features disclosed in the present disclosure (but not limited to) with similar functions are replaced with each other to form a technical solution.
Claims
1. A communication method characterized by comprising: The method comprises: The AP determines a first wireless frame, the first wireless frame comprising a first information field, the first information field being used to indicate a modulation mode adopted by each uplink spatial stream (SS) of a STA when the STA transmits an uplink physical layer protocol data unit (PPDU) by unequal modulation; The AP transmits the first wireless frame.
2. The method of claim 1, wherein, The first wireless frame comprises a second information field, the second information field comprising an uplink bandwidth (UL BW) subfield, the UL BW subfield being used to indicate a corresponding uplink bandwidth of the STA; When the STA transmits an uplink PPDU by a distributed resource unit (dRU), a resource unit (RU) or a multiple resource unit (MRU), the uplink bandwidth is less than or equal to 160 MHz.
3. The method of claim 1, wherein, The first information field comprises an uplink modulation and coding strategy (UL MCS) subfield, the UL MCS subfield indicating a modulation mode adopted by each uplink SS by at least one identification bit.
4. The method of claim 3, wherein, When the STA transmits an uplink PPDU by unequal modulation, one uplink SS adopts one modulation mode and other uplink SSes adopt another same modulation mode; The UL MCS subfield comprises at least one of: A first identification bit; A second identification bit and a third identification bit; When the UL MCS subfield comprises the first identification bit, the first identification bit indicates one combination of modulation modes adopted by each uplink SS by different index values; when the UL MCS subfield comprises the second identification bit and the third identification bit, the second identification bit indicates one modulation mode adopted by one uplink SS by different index values, and the third identification bit indicates another same modulation mode adopted by each of other uplink SSes by different index values.
5. The method of claim 4, wherein, The first information field comprises a first uplink target receiver power (ULtargetreceiverpower) subfield and a second ULtargetreceiverpower subfield; The first ULtargetreceiverpower subfield is used to indicate an uplink target receiver power corresponding to a first uplink SS, and the second ULtargetreceiverpower subfield is used to indicate an uplink target receiver power corresponding to other uplink SSes except the first uplink SS, the modulation mode adopted by the first uplink SS being different from the modulation mode adopted by other uplink SSes.
6. The method of claim 3, wherein, The first information field comprises an association identifier (AID) subfield, the AID subfield being used to indicate an association identifier allocated to the STA by the AP in an association process.
7. The method of claim 1, wherein, The first wireless frame comprises a fourth identification bit, the fourth identification bit being used to indicate that one uplink SS adopts one modulation mode and other uplink SSes adopt another same modulation mode.
8. A communication method characterized by comprising: The method comprises: The STA receives a first wireless frame, the first wireless frame comprising a first information field, the first information field being used to indicate a modulation mode adopted by each uplink spatial stream (SS) of the STA when the STA transmits an uplink physical layer protocol data unit (PPDU) by unequal modulation.
9. The method of claim 8, wherein, The first wireless frame comprises a second information field, and the second information field comprises an UL BW subfield, and the UL BW subfield is used for indicating an uplink bandwidth corresponding to the STA. When the STA transmits an uplink PPDU through a dRU, an RU or an MRU, the uplink bandwidth is less than or equal to 160 MHz.
10. The method of claim 8, wherein, The first information field comprises an UL MCS subfield, and the UL MCS subfield is used for indicating a modulation mode adopted by each uplink SS through at least one identification bit.
11. The method of claim 10, wherein, When the STA transmits an uplink PPDU through unequal modulation, one uplink SS adopts one modulation mode, and other uplink SS adopts another same modulation mode. The UL MCS subfield comprises at least one of the following: a first identification bit; a second identification bit and a third identification bit; When the UL MCS subfield comprises the first identification bit, the first identification bit is used for indicating one combination of modulation modes adopted by each uplink SS through different index values; and when the UL MCS subfield comprises the second identification bit and the third identification bit, the second identification bit is used for indicating one modulation mode adopted by one uplink SS through different index values, and the third identification bit is used for indicating another same modulation mode adopted by each uplink SS through different index values.
12. The method of claim 11, wherein, The first information field comprises a first UL target receiver power subfield and a second UL target receiver power subfield. The first UL target receiver power subfield is used for indicating an uplink target receiver power corresponding to a first uplink SS, and the second UL target receiver power subfield is used for indicating an uplink target receiver power corresponding to other uplink SS than the first uplink SS, and the modulation mode adopted by the first uplink SS is different from the modulation mode adopted by other uplink SS.
13. The method of claim 10, wherein, The first information field comprises an AID subfield, and the AID subfield is used for indicating an association identifier allocated to the STA by the AP in an association process.
14. The method of claim 8, wherein, The first wireless frame comprises a fourth identification bit, and the fourth identification bit is used for indicating one modulation mode adopted by one uplink SS and another same modulation mode adopted by other uplink SS.
15. An AP, comprising: The method comprises the following steps: A processing module is configured to determine a first wireless frame, and the first wireless frame comprises a first information field, and the first information field is used for indicating a modulation mode adopted by each uplink SS when the STA transmits an uplink PPDU through unequal modulation. A transceiver module is configured to transmit the first wireless frame.
16. A STA, comprising: The method comprises the following steps: A transceiver module is configured to receive a first wireless frame, and the first wireless frame comprises a first information field, and the first information field is used for indicating a modulation mode adopted by each uplink SS when the STA transmits an uplink PPDU through unequal modulation.
17. A communication device, characterized by The method comprises the following steps: One or more processors; The processor is configured to perform the communication method in any one of claims 1-7 or claims 8-14.
18. A storage medium, characterized by The storage medium stores instructions which, when executed on the communication device, cause the communication device to perform the communication method of any one of claims 1-7 or claims 8-14.
19. A communication system comprising an AP and a STA; wherein, The AP determines and sends a first wireless frame, the first wireless frame comprising a first information field, the first information field being used to indicate a modulation mode adopted by each uplink spatial stream (SS) when the STA sends an uplink physical layer protocol data unit (PPDU) by unequal modulation; and the STA receives the first wireless frame.
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