Communication method and device and readable storage medium

Abstract

The invention relates to the field of wireless communication, in particular to a communication method and device and a readable storage medium, the method comprising: transmitting a PPDU according to a carrier plan of a dRU, the carrier plan of the dRU comprising: the number of data subcarriers within any 1 MHz of a 106-tone dRU is less than or equal to 2, and the number of subcarriers within any 1 MHz at the location of a pilot subcarrier is 1; and / or, the number of data subcarriers in any 1 MHz of the 242-tone dRU is less than or equal to 4, and the number of subcarriers in any 1 MHz of the position of the pilot frequency subcarrier is less than or equal to 3. According to the invention, the sending power of the communication device can be improved. The application supports 802.11 series protocols, such as a 802.11 bn / UHR / Wi-Fi8 protocol and a 802.11 be / EHT / Wi-Fi7 protocol, and can also support a UWB protocol or a sensing protocol and the like.

Description

Technical Field

[0001] This application relates to the field of wireless communication technologies, and in particular, to a communication method, apparatus, and readable storage medium. Background Art

[0002] The European Telecommunications Standards Institute (ETSI) has released regulations regarding the 6 GHz spectrum, which limits the maximum transmit power to 23 dBm (decibel-milliwatts) and the maximum power spectral density to 10 dBm / MHz (decibel-milliwatts / megahertz). The Federal Communications Commission of the United States has also promulgated regulations regarding the 6 GHz spectrum, defining a low-power indoor (LPI) communication method and imposing strict restrictions on the maximum transmit power and maximum frequency spectral density. For an access point (AP), the maximum transmit power is limited to 30 dBm, and the maximum power spectral density is 5 dBm / MHz. For a station (STA), the maximum transmit power is limited to 24 dBm, and the maximum power spectral density is -1 dBm / MHz. The transmit power of a device is limited by both the maximum power and the maximum power spectral density, that is, the transmit power cannot exceed the maximum power value, and the power spectral density (PSD) of the transmitted signal cannot exceed the maximum power spectral density. Compared with the maximum power, the limitation of the maximum power spectral density is more stringent, and the allowed maximum transmit power is usually more restricted by the power spectral density. For a station, when the bandwidth is 320 MHz, the transmit power of the station reaches the specified maximum power limit. When the bandwidth is less than 320 MHz, due to the limitation of the maximum power spectral density, the station can only transmit at a lower power (here, lower than the specified maximum power).

[0003] Therefore, taking an 80 MHz bandwidth as an example, the transmit power of a station is mainly limited by the power spectral density. How to increase the transmit power of a device to obtain higher gain has become an urgent problem to be solved. Summary of the Invention

[0004] Embodiments of this application provide a communication method, apparatus, and readable storage medium, which can increase the transmit power of a device without increasing the power spectral density.

[0005] The following introduces this application from different aspects. It should be understood that the implementation manners and beneficial effects of the following different aspects can be referred to each other.

[0006] "Transmission" in this application can be understood as "sending" and / or "receiving". It can also be understood that before sending a physical layer protocol data unit (PPDU), the PPDU can be generated first.

[0007] In a first aspect, this application provides a communication method, which includes: a first communication device generates a PPDU according to the toneplan of a distributed resource unit (dRU) under an 80 MHz bandwidth and sends the PPDU. Among them, the toneplan of the dRU includes: the number of data subcarriers of a 106-tone dRU within any 1 MHz is less than or equal to 2, and the number of subcarriers of a 106-tone dRU within any 1 MHz where the pilot subcarrier is located is 1; and / or, the number of data subcarriers of a 242-tone dRU within any 1 MHz is less than or equal to 4, and the number of subcarriers of a 242-tone dRU within any 1 MHz where the pilot subcarrier is located is less than or equal to 3. Or rather, the toneplan of the dRU includes: the number of subcarriers included within 1 MHz where the pilot subcarrier is located in a 106-tone dRU and / or a 242-tone dRU is less than or equal to the number of subcarriers included within 1 MHz where the data subcarrier is located. Or rather, the toneplan of the dRU includes: the number of dRU subcarriers within any 1 MHz where the data subcarrier of a 106-tone dRU is located is less than or equal to 2, and the number of dRU subcarriers within any 1 MHz where the pilot subcarrier of a 106-tone dRU is located is 1; and / or, the number of dRU subcarriers within any 1 MHz where the data subcarrier of a 242-tone dRU is located is less than or equal to 4, and the number of dRU subcarriers within any 1 MHz where the pilot subcarrier of a 242-tone dRU is located is less than or equal to 3. It can be understood that any 1 MHz here can refer to any 1 MHz within 80 MHz.

[0008] Exemplarily, for the toneplan of the dRU, refer to the description in the following embodiments and will not be elaborated here.

[0009] "Any 1 MHz where the subcarrier is located" in this application can be understood as 1 MHz including this subcarrier, or rather, 13 consecutive subcarriers including this subcarrier, which will not be elaborated below.

[0010] The dRU in this application includes a plurality of subcarriers that are discrete in the frequency domain. The plurality of discrete subcarriers can be partially discrete or completely discrete. In other words, the plurality of discrete subcarriers can include a part of the subcarriers that are continuous in frequency and a part of the subcarriers that are discontinuous in frequency; or, the plurality of discrete subcarriers can also be completely discontinuous in frequency.

[0011] The 106-tone dRU in this application can be understood as a dRU containing 106 subcarriers, and the 242-tone dRU can be understood as a dRU containing 242 subcarriers.

[0012] This application uses dRU for transmission. Compared with the transmission method using continuous RU, the transmission power can be increased under the condition of meeting the power spectral density requirement. In addition, since the number of pilot subcarriers within any 1 MHz of the 106-tone dRU in the carrier plan (toneplan) of the dRU in this application is half of the number of data subcarriers, the potential power of the pilot subcarriers is increased by two times compared with the data subcarriers, that is: the pilot subcarriers can obtain a 3 dB power gain. Similarly, for the 242-tone dRU, the number of data subcarriers within any 1 MHz is less than or equal to 4, then the transmission power of the data subcarriers is PSD / 4; the number of subcarriers within any 1 MHz at the position of the pilot subcarriers is less than or equal to 3, then the transmission power of the pilot subcarriers is PSD - 2×PSD / 4 = PSD / 2; therefore, the potential power of the pilot subcarriers is still twice that of the data subcarriers, that is: the pilot subcarriers can obtain a 3 dB power gain.

[0013] The continuous RU in this application can be understood as an RU composed of a plurality of continuous subcarriers, or the continuous RU is an RU composed of two groups of continuous subcarrier groups. Each group of continuous subcarrier groups includes a plurality of continuous subcarriers, and only guard subcarriers, empty subcarriers, or DC subcarriers are spaced between the two groups of continuous subcarrier groups.

[0014] Second aspect, the present application provides a communication method, which includes: a second communication device receives and processes a PPDU according to the carrier plan (toneplan) of the dRU under an 80 MHz bandwidth. Wherein, the carrier plan of the dRU includes: the number of data subcarriers of the 106-tone dRU within any 1 MHz is less than or equal to 2, and the number of subcarriers of the 106-tone dRU within any 1 MHz where the pilot subcarrier is located is 1; and / or, the number of data subcarriers of the 242-tone dRU within any 1 MHz is less than or equal to 4, and the number of subcarriers of the 242-tone dRU within any 1 MHz where the pilot subcarrier is located is less than or equal to 3. Or rather, the carrier plan of the dRU includes: the number of subcarriers included within 1 MHz where the pilot subcarrier is located in the 106-tone dRU and / or the 242-tone dRU is less than or equal to the number of subcarriers included within 1 MHz where the data subcarrier is located. Or rather, the carrier plan of the dRU includes: the number of dRU subcarriers within any 1 MHz where the data subcarrier of the 106-tone dRU is located is less than or equal to 2, and the number of dRU subcarriers within any 1 MHz where the pilot subcarrier of the 106-tone dRU is located is 1; and / or, the number of dRU subcarriers within any 1 MHz where the data subcarrier of the 242-tone dRU is located is less than or equal to 4, and the number of dRU subcarriers within any 1 MHz where the pilot subcarrier of the 242-tone dRU is located is less than or equal to 3. It can be understood that any 1 MHz here can refer to any 1 MHz within 80 MHz.

[0015] Exemplarily, for the carrier plan of the dRU, refer to the description of the following embodiments, which will not be elaborated here.

[0016] In a possible implementation manner combining any of the above aspects, the carrier plan of the above dRU further includes 37 26-tone dRUs; each 26-tone dRU includes 26 subcarriers, among which there are 24 data subcarriers and 2 pilot subcarriers. Wherein, any 1 MHz of 1 26-tone dRU includes 1 subcarrier.

[0017] Exemplarily, the carrier plan of the dRU may include one or more of the 26-tone dRUs in Table 2 below.

[0018] In a possible implementation manner combining any of the above aspects, the carrier plan of the above dRU further includes 36 26-tone dRUs; each 26-tone dRU includes 26 subcarriers, among which there are 24 data subcarriers and 2 pilot subcarriers. Wherein, any 1 MHz of 1 26-tone dRU includes 1 subcarrier.

[0019] Exemplarily, the carrier plan of the dRU may include one or more 26-tone dRUs in Table 9 below.

[0020] In a possible implementation manner combining any of the above aspects, the carrier plan of the dRU further includes 16 52-tone dRUs; each 52-tone dRU includes 52 subcarriers, among which there are 48 data subcarriers and 4 pilot subcarriers. Among them, any 1 MHz of 1 52-tone dRU contains 1 subcarrier.

[0021] Exemplarily, the carrier plan of the dRU further includes one or more of the following: the 52-tone dRU with index 1 includes the 26-tone dRUs with indices 1 and 2; the 52-tone dRU with index 2 includes the 26-tone dRUs with indices 3 and 4; the 52-tone dRU with index 3 includes the 26-tone dRUs with indices 6 and 7; the 52-tone dRU with index 4 includes the 26-tone dRUs with indices 8 and 9; the 52-tone dRU with index 5 includes the 26-tone dRUs with indices 10 and 11; the 52-tone dRU with index 6 includes the 26-tone dRUs with indices 12 and 13; the 52-tone dRU with index 7 includes the 26-tone dRUs with indices 15 and 16; the 52-tone dRU with index 8 includes the 26-tone dRUs with indices 17 and 18; the 52-tone dRU with index 9 includes the 26-tone dRUs with indices 20 and 21; the 52-tone dRU with index 10 includes the 26-tone dRUs with indices 22 and 23; the 52-tone dRU with index 11 includes the 26-tone dRUs with indices 25 and 26; the 52-tone dRU with index 12 includes the 26-tone dRUs with indices 27 and 28; the 52-tone dRU with index 13 includes the 26-tone dRUs with indices 29 and 30; the 52-tone dRU with index 14 includes the 26-tone dRUs with indices 31 and 32; the 52-tone dRU with index 15 includes the 26-tone dRUs with indices 34 and 35; the 52-tone dRU with index 16 includes the 26-tone dRUs with indices 36 and 37. For example, the carrier plan of the dRU further includes one or more 52-tone dRUs in Table 3 or Table 10 below.

[0022] In a possible implementation manner combining any of the above aspects, the carrier planning of the dRU further includes 8 106-tone dRUs; each 106-tone dRU includes 106 subcarriers, among which there are 102 data subcarriers and 4 pilot subcarriers.

[0023] Exemplarily, the carrier planning of the dRU further includes one or more of the following: The 106-tone dRU with index 1 includes 26-tone dRUs with indices 1, 2, 3, 4, and subcarriers with subcarrier indices {-11, 11}; among them, the pilot subcarrier indices are {-468, -108, 108, 46}; The 106-tone dRU with index 2 includes 26-tone dRUs with indices 6, 7, 8, 9, and subcarriers with subcarrier indices {-15, 15}; among them, the pilot subcarrier indices are {-407, -167, 167, 407}; The 106-tone dRU with index 3 includes 26-tone dRUs with indices 10, 11, 12, 13, and subcarriers with subcarrier indices {-13, 13}; among them, the pilot subcarrier indices are {-470, -110, 110, 470}; The 106-tone dRU with index 4 includes 26-tone dRUs with indices 15, 16, 17, 18, and subcarriers with subcarrier indices {-17, 17}; among them, the pilot subcarrier indices are {-409, -169, 169, 409}; The 106-tone dRU with index 5 includes 26-tone dRUs with indices 20, 21, 22, 23, and subcarriers with subcarrier indices {-12, 12}; among them, the pilot subcarrier indices are {-469, -109, 109, 469}; The 106-tone dRU with index 6 includes 26-tone dRUs with indices 25, 26, 27, 28, and subcarriers with subcarrier indices {-16, 16}; among them, the pilot subcarrier indices are {-408, -168, 168, 408}; The 106-tone dRU with index 7 includes 26-tone dRUs with indices 29, 30, 31, 32, and subcarriers with subcarrier indices {-14, 14}; among them, the pilot subcarrier indices are {-471, -111, 111, 471}; The 106-tone dRU with index 8 includes 26-tone dRUs with indices 34, 35, 36, 37, and subcarriers with subcarrier indices {-18, 18}; among them, the pilot subcarrier indices are {-410, -170, 170, 410}. For example, the carrier planning of the dRU further includes one or more 106-tone dRUs in Table 4 below.

[0024] Exemplarily, the carrier planning of the dRU further includes one or more of the following: the 106-tone dRU with index 1 includes 26-tone dRUs with indices 1, 2, 3, 4, and subcarriers with subcarrier indices {-24, 24}; wherein, the pilot subcarrier indices are {-469, -118, 118, 469}; the 106-tone dRU with index 2 includes 26-tone dRUs with indices 6, 7, 8, 9, and subcarriers with subcarrier indices {-28, 28}; wherein, the pilot subcarrier indices are {-410, -176, 176, 410}; the 106-tone dRU with index 3 includes 26-tone dRUs with indices 10, 11, 12, 13, and subcarriers with subcarrier indices {-26, 26}; wherein, the pilot subcarrier indices are {-471, -120, 120, 471}; the 106-tone dRU with index 4 includes 26-tone dRUs with indices 15, 16, 17, 18, and subcarriers with subcarrier indices {-30, 30}; wherein, the pilot subcarrier indices are {-412, -178, 178, 412}; the 106-tone dRU with index 5 includes 26-tone dRUs with indices 20, 21, 22, 23, and subcarriers with subcarrier indices {-25, 25}; wherein, the pilot subcarrier indices are {-470, -119, 119, 470}; the 106-tone dRU with index 6 includes 26-tone dRUs with indices 25, 26, 27, 28, and subcarriers with subcarrier indices {-29, 29}; wherein, the pilot subcarrier indices are {-411, -177, 177, 411}; the 106-tone dRU with index 7 includes 26-tone dRUs with indices 29, 30, 31, 32, and subcarriers with subcarrier indices {-27, 27}; wherein, the pilot subcarrier indices are {-472, -121, 121, 472}; the 106-tone dRU with index 8 includes 26-tone dRUs with indices 34, 35, 36, 37, and subcarriers with subcarrier indices {-31, 31}; wherein, the pilot subcarrier indices are {-413, -179, 179, 413}. For example, the carrier planning of the dRU further includes one or more 106-tone dRUs in Table 11 below.

[0025] Since the pilot subcarriers of the dRU in this application are dispersed across the entire bandwidth, the impact of channel deep fading on pilot transmission can be reduced, such as reducing the possibility that channel deep fading disrupts all pilot transmissions.

[0026] In a possible implementation manner combining any of the above aspects, the carrier planning of the above dRU further includes 4 242-tone dRUs; each 242-tone dRU includes 242 subcarriers, among which there are 234 data subcarriers and 8 pilot subcarriers.

[0027] Exemplarily, the carrier planning of the dRU further includes one or more of the following: The 242-tone dRU with index 1 includes 26-tone dRUs with indices 1, 2, 3, 4, 5, 6, 7, 8, 9, and subcarriers with subcarrier indices {-15, -11, -7, -3, 3, 7, 11, 15}; among them, the pilot subcarrier indices are {-458, -343, -200, -85, 85, 200, 343, 458}; The 242-tone dRU with index 2 includes 26-tone dRUs with indices 10, 11, 12, 13, 14, 15, 16, 17, 18, and subcarriers with subcarrier indices {-17, -13, -9, -5, 5, 9, 13, 17}; among them, the pilot subcarrier indices are {-442, -327, -175, -68, 68, 175, 327, 442}; The 242-tone dRU with index 3 includes 26-tone dRUs with indices 20, 21, 22, 23, 24, 25, 26, 27, 28 and subcarriers with subcarrier indices {-16, -12, -8, -4, 4, 8, 12, 16}; among them, the pilot subcarrier indices are {-464, -359, -206, -99, 99, 206, 359, 464}; The 242-tone dRU with index 4 includes 26-tone dRUs with indices 29, 30, 31, 32, 33, 34, 35, 36, 37 and subcarriers with subcarrier indices {-18, -14, -10, -6, 6, 10, 14, 18}; among them, the pilot subcarrier indices are {-443, -337, -184, -78, 78, 184, 337, 443}. For example, the carrier planning of the dRU further includes one or more 242-tone dRUs in Table 5 below.

[0028] Exemplarily, the carrier planning of the dRU further includes one or more of the following: The 242-tone dRU with index 1 includes 26-tone dRUs with indices 1, 2, 3, 4, 5, 6, 7, 8, 9, and subcarriers with subcarrier indices {-28, -24, -20, -16, 16, 20, 24, 28}; among them, the pilot subcarrier indices are {-459, -347, -207, -95, 95, 207, 347, 459}; The 242-tone dRU with index 2 includes 26-tone dRUs with indices 10, 11, 12, 13, 14, 15, 16, 17, 18, and subcarriers with subcarrier indices {-30, -26, -22, -18, 18, 22, 26, 30}; among them, the pilot subcarrier indices are {-443, -331, -183, -79, 79, 183, 331, 443}; The 242-tone dRU with index 3 includes 26-tone dRUs with indices 20, 21, 22, 23, 24, 25, 26, 27, 28 and subcarriers with subcarrier indices {-29, -25, -21, -17, 17, 21, 25, 29}; among them, the pilot subcarrier indices are {-465, -362, -213, -109, 109, 213, 362, 465}; The 242-tone dRU with index 4 includes 26-tone dRUs with indices 29, 30, 31, 32, 33, 34, 35, 36, 37 and subcarriers with subcarrier indices {-31, -27, -23, -19, 19, 23, 27, 31}; among them, the pilot subcarrier indices are {-449, -341, -197, -89, 89, 197, 341, 449}. For example, the carrier planning of the dRU further includes one or more 242-tone dRUs in Table 12 below.

[0029] Since the pilot subcarriers of the dRU in this application are scattered across the entire bandwidth, the impact of channel deep fading on pilot transmission can be reduced, such as reducing the possibility that channel deep fading destroys all pilot transmissions.

[0030] In a possible implementation manner combining any of the above aspects, the carrier planning of the above dRU further includes 2 484-tone dRUs; each 484-tone dRU includes 484 subcarriers, among which there are 468 data subcarriers and 16 pilot subcarriers. Among them, any 1 MHz of one 484-tone dRU includes at most 7 subcarriers.

[0031] Exemplarily, the carrier planning of the dRU further includes one or more of the following: the 484-tone dRU with index 1 includes 26-tone dRUs with indices from 1 to 18, and subcarriers with subcarrier indices {-17, -15, -13, -11, -9, -7, -5, -3, 3, 5, 7, 9, 11, 13, 15, 17}; the 484-tone dRU with index 2 includes 26-tone dRUs with indices from 20 to 37, and subcarriers with subcarrier indices {-18, -16, -14, -12, -10, -8, -6, -4, 4, 6, 8, 10, 12, 14, 16, 18}. For example, the carrier planning of the dRU further includes one or more 484-tone dRUs in Table 6 below.

[0032] Exemplarily, the carrier planning of the dRU further includes one or more of the following: the 484-tone dRU with index 1 includes 26-tone dRUs with indices from 1 to 18, and subcarriers with subcarrier indices {-30, -28, -26, -24, -22, -20, -18, -16, 16, 18, 20, 22, 24, 26, 28, 30};

[0033] the 484-tone dRU with index 2 includes 26-tone dRUs with indices from 20 to 37, and subcarriers with subcarrier indices {-31, -29, -27, -25, -23, -21, -19, -17, 17, 19, 21, 23, 25, 27, 29, 31}. For example, the carrier planning of the dRU further includes one or more 484-tone dRUs in Table 13 below.

[0034] In a possible implementation manner combining any of the above aspects, the carrier planning of the above dRU further includes 1 996-tone dRU. The 996-tone dRU includes 996 subcarriers, including 980 data subcarriers and 16 pilot subcarriers. The subcarrier indices of the 996-tone dRU are from -500 to -3 and from 3 to 500. Among them, any 1 MHz of the 1 996-tone dRU contains at most 13 subcarriers.

[0035] In a third aspect, the present application provides a communication device, which is used to execute the method in the first aspect or any possible implementation manner of the first aspect. The communication device includes a unit for executing the method in the first aspect or any possible implementation manner of the first aspect.

[0036] Fourthly, the present application provides a communication device, which is used to execute the method in the first aspect or any possible implementation manner of the first aspect. The communication device includes a unit configured to execute the method in the second aspect or any possible implementation manner of the second aspect.

[0037] In the third aspect or the third aspect, the above-mentioned communication device may include a transceiver unit and a processing unit. For the specific descriptions of the transceiver unit and the processing unit, reference may also be made to the device embodiments shown below. The beneficial effects of the second aspect to the fourth aspect may refer to the relevant descriptions of the first aspect and the second aspect above, and will not be elaborated here.

[0038] Fifthly, the present application provides a communication device, which includes a processor configured to execute the method shown in the first aspect, or the second aspect, or any possible implementation manner of any one of them. Alternatively, the processor is configured to execute a program stored in a memory, and when the program is executed, the method shown in the first aspect, or the second aspect, or any possible implementation manner of any one of them is executed.

[0039] In combination with the fifth aspect, in a possible implementation manner, the memory is located outside the above-mentioned communication device.

[0040] In combination with the fifth aspect, in a possible implementation manner, the memory is located inside the above-mentioned communication device.

[0041] In the present application, the processor and the memory may also be integrated into one device, that is, the processor and the memory may also be integrated together.

[0042] In combination with the fifth aspect, in a possible implementation manner, the communication device further includes a transceiver, which is configured to send or receive a PPDU.

[0043] Sixthly, the present application provides a communication device, which may include a processor and an interface circuit, and the processor is connected to the interface circuit. Among them, the interface circuit is used to interact (or transmit / receive or input / output) information or data, and the processor is used to run program instructions so that the communication device executes the method described in the first aspect, or the second aspect, or any possible implementation manner of any one of them. Among them, the interface circuit may be a communication interface or a transceiver. The transceiver may be a radio frequency module in the communication device, or a combination of a radio frequency module and an antenna, or an input / output interface of a chip or a circuit.

[0044] Seventhly, the present application provides a readable storage medium, on which program instructions are stored, and when it runs on a computer, it enables the computer to execute the method described in the first aspect, or the second aspect, or any possible implementation manner of any one of them.

[0045] In an eighth aspect, the present application provides a program product including program instructions, which, when running, cause the method described in any possible implementation manner of the above first aspect, or the above second aspect, or any one of them to be executed.

[0046] In a ninth aspect, the present application provides a wireless communication system, which includes a first communication device and a second communication device; the first communication device is configured to execute the method described in the above first aspect or any possible implementation manner of the first aspect, and the second communication device is configured to execute the method described in the above second aspect or any possible implementation manner of the second aspect.

[0047] The technical effects achieved by the above aspects can be mutually referred to or referred to the beneficial effects in the method embodiments shown below, and will not be elaborated here. Description of the Drawings

[0048] Figure 1 is a network architecture diagram of the wireless communication system provided by the embodiments of the present application;

[0049] Figure 2a is a schematic structural diagram of an access point provided by the embodiments of the present application;

[0050] Figure 2b is a schematic structural diagram of a station provided by the embodiments of the present application;

[0051] Figure 3 is a schematic diagram of the subcarrier distribution and RU distribution of 20 MHz provided by the embodiments of the present application;

[0052] Figure 4 is a schematic diagram of the subcarrier distribution and RU distribution of 40 MHz provided by the embodiments of the present application;

[0053] Figure 5 is a schematic diagram of the subcarrier distribution and RU distribution of 80 MHz provided by the embodiments of the present application;

[0054] Figure 6 is a schematic diagram of the uplink multi-user transmission process provided by the embodiments of the present application;

[0055] Figure 7 is a schematic diagram of the division of subcarriers within an 80 MHz bandwidth provided by the embodiments of the present application;

[0056] Figure 8 is a simulation diagram of the subcarrier power allocation in a 106-tone dRU provided by the embodiments of the present application;

[0057] Figure 9It is a simulation schematic diagram of subcarrier power allocation in a 242-tone dRU provided by an embodiment of the present application;

[0058] Figure 10 It is another simulation schematic diagram of subcarrier power allocation in a 106-tone dRU provided by an embodiment of the present application;

[0059] Figure 11 It is another simulation schematic diagram of subcarrier power allocation in a 242-tone dRU provided by an embodiment of the present application;

[0060] Figure 12 It is a flowchart of a communication method provided by an embodiment of the present application;

[0061] Figure 13 It is a transmission block diagram of a dRU based on BCC coding provided by an embodiment of the present application;

[0062] Figure 14 It is a transmission block diagram of a dRU based on LDPC coding provided by an embodiment of the present application;

[0063] Figure 15 It is a structural schematic diagram of a communication device provided by an embodiment of the present application;

[0064] Figure 16 It is another structural schematic diagram of a communication device provided by an embodiment of the present application;

[0065] Figure 17 It is yet another structural schematic diagram of a communication device provided by an embodiment of the present application. Detailed implementation manners

[0066] Next, the technical solutions in the embodiments of the present application will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present application.

[0067] In the description of the present application, "first", "second", etc. are only used to distinguish different objects, rather than to describe a specific order. In addition, unless otherwise specified, " / " means "or", for example, A / B can represent A or B. "And / or" herein is only a description of the association relationship of associated objects, indicating that three relationships can exist, for example, A and / or B can represent: A exists alone, A and B exist simultaneously, and B exists alone these three situations. In addition, "at least one" means one or more, and "multiple" means two or more. "One (or more) of the following items" or its similar expressions refer to any combination of these items, including any combination of single item (or more) or plural items (or more). For example, at least one of a, b, or c can represent: a, b, c; a and b; a and c; b and c; or a and b and c. Wherein a, b, c can be single or multiple.

[0068] The terms "comprising", "having", and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but may optionally further include steps or units not listed, or may optionally further include other steps or units inherent to these processes, methods, products, or devices.

[0069] In this application, words such as "exemplary" or "for example" are used to indicate examples, illustrations, or explanations. Any embodiment or design described as "exemplary", "for example", or "such as" in this application should not be construed as being more preferred or advantageous than other embodiments or designs. Rather, the use of words such as "exemplary", "for example", or "such as" is intended to present the relevant concepts in a specific manner.

[0070] It can be understood that in this application, "when", "if", and "in case" all refer to the device performing corresponding processing under a certain objective situation, which does not limit the time, nor does it require the device to have a judgment action when implemented, nor does it imply other limitations. Among them, the device performing corresponding processing under a certain objective situation includes: satisfying the objective situation, that is, being able to perform the corresponding processing; or satisfying the objective situation and other situations in order to perform the corresponding processing.

[0071] The "simultaneously" in this application can be understood as "in parallel", or at the same time point, or within a period of time, or within the same cycle, and can be specifically understood in combination with the context.

[0072] In this application, elements represented in the singular are intended to mean "one or more", rather than "one and only one", unless otherwise specified.

[0073] It can be understood that in the embodiments of this application, expressions such as "B corresponding to A", "A corresponding to B", or similar expressions mean that B is associated with A, and B can be determined according to A. Determining B according to A does not mean determining B only according to A, but B can also be determined according to A and / or other information.

[0074] The technical solution provided by the embodiments of the present application can be applicable to wireless local area network (WLAN) scenarios. For example, it supports the Institute of Electrical and Electronics Engineers (IEEE) 802.11 related standards, such as 802.11a / b / g standards, 802.11n standard, 802.11ac standard, 802.11ax standard, the IEEE 802.11ax next-generation Wi-Fi protocol, such as 802.11be, Wi-Fi 7, Extremely High Throughput (EHT), 802.11ad, 802.11ay or 802.11bf, and further such as the next-generation of 802.11be, Wi-Fi 8, etc. It can also be applied to wireless personal area network systems based on Ultra Wide Band (UWB), such as the 802.15 series of standards, and can also be applied to sensing systems, such as the 802.11bf series of standards, and can also be applied to the 802.11bn standard or Ultra-High Reliability (UHR) standard. Among them, the 802.11n standard is called High Throughput (HT), the 802.11ac standard is called Very High Throughput (VHT) standard, the 802.11ax standard is called High Efficient (HE) standard, and the 802.11be standard is called Extremely High Throughput (EHT) standard. Among them, 802.11bf includes two major categories of standards: low frequency (for example, sub7GHz) and high frequency (for example, 60GHz). The implementation of sub7GHz mainly relies on standards such as 802.11ac, 802.11ax, 802.11be and the next-generation, etc., and the implementation of 60GHz mainly relies on standards such as 802.11ad, 802.11ay and the next-generation, etc. Among them, 802.11ad can also be called Directional Multi-Gigabit (DMG) standard, and 802.11ay can also be called Enhanced Directional Multi-Gigabit (EDMG) standard.

[0075] The technical solution of the embodiment of the present application can be applied to the communication scenario between an access point and one or more stations. In the embodiment of the present application, the term "communication" can also be described as "data transmission", "information transmission" or "transmission". In the embodiment of the present application, the term "transmission" can also be described as "send" and / or "receive".

[0076] See Figure 1 , Figure 1 is a network architecture diagram of a wireless communication system provided by an embodiment of the present application. As Figure 1 shown, the wireless communication system may include one or more access point (AP)-like stations (STA) and one or more non-access point-like stations (non-AP STA). For ease of description, in this article, the access point-like station (AP STA) is simply referred to as an access point (AP), and the non-access point-like station (non-AP STA) is simply referred to as a station (STA). The AP and STA support the WLAN communication protocol, which may include 802.11bn (or referred to as UHR), and may also include 802.11be, 802.11ax, 802.11ac and other protocols. Of course, with the continuous evolution and development of communication technologies, the communication protocol may also include the next-generation protocol of 802.11bn, etc. Taking WLAN as an example, the device for implementing the method of the present application may be an AP and / or STA in the WLAN, or a chip or processing system installed in the AP and / or STA.

[0077] It can be understood that Figure 1 taking the wireless communication system including one AP and six stations (STA 1, STA 2, STA 3, STA 4, STA 5, STA 6) as an example for illustration. In practical applications, the number of APs and STAs included in the wireless communication system may be more or less, and the present application does not limit the number of APs and STAs in the wireless communication system.

[0078] In a possible implementation manner, the access point (such as Figure 1The access point (AP) in this application can be a device with wireless communication capabilities, supporting communication using the WLAN protocol and having the function of communicating with other devices (such as stations or other access points) in the WLAN network. This device with wireless communication capabilities can be a complete device, or it can also be a chip or processing system installed in the complete device. The device installed with these chips or processing systems can, under the control of the chip or processing system, implement the methods and functions of the embodiments of this application. The access point can be deployed in homes, inside buildings, and inside campuses, with a coverage radius of dozens of meters to hundreds of meters. Of course, it can also be deployed outdoors. The access point can be understood as a bridge connecting the wired network and the wireless network, and its main function is to connect each wireless network client together and then connect the wireless network to the Ethernet. Exemplarily, the access point can be a terminal device (such as a mobile phone) or a network device (such as a communication server, router, switch, bridge, etc., communication entities) with a wireless-fidelity (Wi-Fi) chip.

[0079] The access point in this application can be a device supporting the 802.11bn standard. Of course, this access point can also support multiple WLAN standards of the 802.11 family, such as 802.11be, 802.11bf, 802.11ax, 802.11ac, 802.11n, 802.11g, 802.11b, 802.11ad, 802.11ay, and 802.11a.

[0080] In a possible implementation, a station (such as Figure 1 any station in) can be a device with wireless communication capabilities, supporting communication using the WLAN protocol and having the ability to communicate with other stations or access points in the WLAN network. This device with wireless communication capabilities can be a complete device, or it can also be a chip or processing system installed in the complete device. The device installed with these chips or processing systems can, under the control of the chip or processing system, implement the methods and functions of the embodiments of this application. The station can also be a wireless communication chip, wireless sensor, or wireless communication terminal, etc., and can also be referred to as a user. For example, the station can be a mobile phone supporting Wi-Fi communication function, a tablet computer supporting Wi-Fi communication function, a set-top box supporting Wi-Fi communication function, a smart TV supporting Wi-Fi communication function, a smart wearable device supporting Wi-Fi communication function, a vehicle-mounted communication device supporting Wi-Fi communication function, or a computer supporting Wi-Fi communication function, etc.

[0081] The station in this application can also be a device supporting the 802.11bn standard. Of course, the station can also support multiple WLAN standards of the 802.11 family, such as 802.11be, 802.11bf, 802.11ax, 802.11ac, 802.11n, 802.11g, 802.11b, 802.11ad, 802.11ay, and 802.11a.

[0082] The WLAN system can provide high-speed and low-latency transmission. With the continuous evolution of WLAN application scenarios, the WLAN system will be applied to more scenarios or industries. For example, it can be applied to the Internet of Things industry, the vehicle-to-everything (V2X) industry, the banking industry, enterprise offices, stadiums and exhibition halls, concert halls, hotel rooms, dormitories, wards, classrooms, shopping malls, squares, streets, production workshops, and warehouses. Of course, devices supporting WLAN communication (such as access points or stations) can be sensor nodes in a smart city (such as smart water meters, smart electricity meters, and smart air detection nodes), smart devices in a smart home (such as smart cameras, projectors, displays, televisions, speakers, refrigerators, washing machines, etc.), nodes in the Internet of Things, entertainment terminals (such as wearable devices like augmented reality (AR) and virtual reality (VR)), smart devices in smart offices (such as printers, projectors, loudspeakers, speakers, etc.), V2X devices in the vehicle-to-everything industry, infrastructure in daily life scenarios (such as vending machines, self-guided navigation stations in shopping malls, self-checkout devices, and self-ordering machines), and devices in large sports and music venues. In the embodiments of this application, the specific forms of the station and the access point are not limited, and this is only an exemplary illustration here.

[0083] It should be understood that the 802.11 standard focuses on the physical layer (PHY) and the medium access control (MAC) layer. In one example, refer to Figure 2a , Figure 2a which is a schematic structural diagram of the access point provided by the embodiments of this application. Among them, the AP can be multi-antenna / multi-radio frequency or single-antenna / single-radio frequency, and the antenna / radio frequency is used to send / receive physical layer protocol data units (PPDUs). In one implementation, the antenna or radio frequency part of the AP can be separated from the main body part of the AP, showing a remote layout structure. Figure 2a In, the AP can include a physical layer processing circuit and a medium access control processing circuit. The physical layer processing circuit can be used to process physical layer signals, and the MAC layer processing circuit can be used to process MAC layer signals. In another example, refer toFigure 2b , Figure 2b is a schematic structural diagram of a site provided by an embodiment of the present application. Figure 2b It shows a schematic structural diagram of a single antenna / single radio frequency STA. In an actual scenario, the STA can also be a multi-antenna / multi-radio frequency one, and can be a device with more than two antennas. This antenna / radio frequency is used to send / receive data packets. In one implementation, the antenna or radio frequency part of the STA can be separated from the main body part of the STA, showing a remote layout structure. Figure 2b In, the STA can include a PHY processing circuit and a MAC processing circuit. The physical layer processing circuit can be used to process physical layer signals, and the MAC layer processing circuit can be used to process MAC layer signals.

[0084] In some embodiments, the aforementioned Figure 1 The AP in the shown wireless communication system can be replaced with an access point multi-link device (AP multi-link device, AP MLD), and the STA can be replaced with a non-access point multi-link device (non-AP multi-link device, non-AP MLD). That is to say, the technical solution provided by the embodiments of the present application can also be applied to the scenario of communication between multi-link devices (multi-link device, MLD). A multi-link device is a wireless communication device that supports parallel transmission of multiple links. Compared with a device that only supports single-link transmission, the multi-link device has higher transmission efficiency and higher throughput. A multi-link device includes one or more affiliated stations STA (affiliated STA). The affiliated STA is a logical station and can work on one link. Among them, the affiliated station can be an access point (AP) or a non-access point station (non-AP STA). A multi-link device with an affiliated station as an AP can be called an AP MLD, and a multi-link device with an affiliated station as a non-AP STA can be called a non-AP MLD.

[0085] In a possible implementation, the multi-link device (which can be either a non-AP MLD or an AP MLD here) involved in the embodiments of the present application is a device with wireless communication functions. This device can be a whole machine device, or can also be a chip or a processing system installed in the whole machine device, etc. The device installed with these chips or processing systems can, under the control of these chips or processing systems, implement the methods and functions of the embodiments of the present application.

[0086] Although the embodiments of the present application are mainly described by taking a network deploying Institute of Electrical and Electronics Engineers (IEEE) 802.11 as an example, those skilled in the art can easily understand that all aspects involved in the present application can be extended to other networks adopting various standards or protocols. For example, a personal area network (PAN), Bluetooth, a high-performance radio LAN (HIPERLAN) (a wireless standard similar to the IEEE 802.11 standard, mainly used in Europe), and a wide area network (WAN) or other networks that are currently known or will be developed in the future. Therefore, regardless of the coverage range and wireless access protocol used, all aspects provided by the present application can be applied to any suitable wireless network.

[0087] Some terms or nouns involved in the present application are briefly described below.

[0088] I. Tone plan based on a resource unit (RU)

[0089] The development of wireless local area networks (WLANs) has gone through multiple generations, including 802.11a / b / g, 802.11n, 802.11ac, 802.11ax, 802.11be, and 802.11bn that is currently under discussion. Among them, 802.11n is also known as high throughput (HT), 802.11ac is also known as very high throughput (VHT), 802.11ax is also known as high efficient (HE), 802.11be is also known as extremely high throughput (EHT), and 802.11bn is also known as ultra high reliability (UHR). In terms of bandwidth, 802.11ax currently supports the following bandwidth configurations: 20 MHz, 40 MHz, 80 MHz, 160 MHz, and 80 + 80 MHz. Among them, the difference between 160 MHz and 80 + 80 MHz is that the former is a continuous frequency band, while the two 80 MHz bands of the latter can be separated. In 802.11be, only continuous frequency bands are supported, and bandwidths of 20 MHz, 40 MHz, 80 MHz, 160 MHz, and 320 MHz are supported.

[0090] In 802.11ax and 802.11be, to improve the spectrum utilization rate, an orthogonal frequency division multiplexing access (OFDMA) transmission mode is defined. In the OFDMA transmission mode, a part of the continuous subcarriers within a bandwidth can be divided into a resource unit (RU). For example, in 802.11ax / be, 9 26-tone RUs are defined within a 20 MHz bandwidth, and each 26-tone RU has 26 continuous subcarriers. A 26-tone RU can be allocated to a user for use. This method can increase the number of user accesses. For the convenience of description in this application, the subcarrier distribution (Tone Plan) currently defined in the 802.11be standard is mainly described. The subcarrier distribution and RU distribution under different bandwidths are described below respectively.

[0091] See Figure 3 , Figure 3 is a schematic diagram of the subcarrier distribution and RU distribution of 20 MHz provided by an embodiment of this application. As Figure 3 shown, when the bandwidth is 20 MHz, the entire bandwidth (i.e., 20 MHz) can include a 242-tone RU, or various combinations of 26-tone RUs, 52-tone RUs, and 106-tone RUs. Among them, each RU includes data subcarriers and pilot subcarriers. The data subcarriers can be used to carry data information, and the pilot subcarriers can be used for phase offset and / or frequency offset estimation. In addition to RUs, the 20 MHz bandwidth also includes some guard subcarriers, null subcarriers, and / or direct current (DC) subcarriers.

[0092] It can be understood that a 242-tone RU can be understood as an RU containing 242 subcarriers. Similarly, a 26-tone RU can be understood as an RU containing 26 subcarriers, a 52-tone RU can be understood as an RU containing 52 subcarriers, and a 106-tone RU can be understood as an RU containing 106 subcarriers.

[0093] See Figure 4 , Figure 4 is a schematic diagram of the subcarrier distribution and RU distribution of 40 MHz provided by an embodiment of this application. As Figure 4As shown, when the bandwidth is 40 MHz, the entire bandwidth (i.e., 40 MHz) can include one 484-tone RU, or various combinations of 26-tone RUs, 52-tone RUs, 106-tone RUs, and 242-tone RUs. Among them, a 484-tone RU can be understood as an RU containing 484 subcarriers.

[0094] See Figure 5 , Figure 5 is a schematic diagram of the subcarrier distribution and RU distribution of 80 MHz provided by an embodiment of the present application. As Figure 5 shown, when the bandwidth is 80 MHz, the entire bandwidth (i.e., 80 MHz) can include one 996-tone RU, or various combinations of 26-tone RUs, 52-tone RUs, 106-tone RUs, 242-tone RUs, and 484-tone RUs. As Figure 5 shown, Figure 5 the 484L in Figure 5 represents the left half of the 484-tone RU (i.e., the subcarrier range [-500:-17] or the subcarrier range [17:500]),

[0095] the 484R in Figure 5 represents the right half of the 484-tone RU. 484L and 484R each contain 242 subcarriers, which is another way of representing 484 + 5DC. Among them, a 996-tone RU can be understood as an RU containing 996 subcarriers. Here, "left" and "right" only refer to the relative relationship with respect to the central position in the frequency domain. Taking the 484-tone RU [-500:-17] as an example, in the actual frequency domain resources, "484L" is the low-frequency part relative to the frequency domain center of this 484-tone RU, that is, [-500:-259], and "484R" is the high-frequency part relative to the frequency domain center of this 484-tone RU, that is, [-258:-17]. Similarly, taking the 484-tone RU [17:500] as an example, "484L" is [17:258], and "484R" is [259:500].

[0095] When the bandwidth is 160 MHz, the entire bandwidth (i.e., 160 MHz) can be understood as a replication of the subcarrier distribution of two 80 MHz. The entire bandwidth (i.e., 160 MHz) can include 2 996-tone RUs, or various combinations of 26-tone RUs, 52-tone RUs, 106-tone RUs, 242-tone RUs, 484-tone RUs, and 996-tone RUs. When the bandwidth is 320 MHz, the entire bandwidth (i.e., 320 MHz) can be understood as a replication of the subcarrier distribution of four 80 MHz. Details are not described one by one here.

[0096] The above-mentioned Figures 3 to 5 For the various subcarrier distributions shown above, taking the 242-tone RU as the unit, assuming Figures 3 to 5 the leftmost RU in it is the lowest frequency, Figures 3 to 5 the rightmost RU in it is the highest frequency. From left to right, the 242-tone RUs can be numbered: the first (1st), the second (2nd), …, the sixteenth (16th). It can be understood that taking a bandwidth of 320 MHz as an example, the Data field in the radio frame occupies at most 16 242-tone RUs. That is to say, in the data field, at most 16 242-tone RUs correspond one-to-one with 16 20-MHz channels in ascending order of frequency.

[0097] In terms of bandwidth, the 26-tone RU approximately corresponds to 2 MHz, the 52-tone RU approximately corresponds to 4 MHz, the 106-tone RU approximately corresponds to 8 MHz, and the 242-tone RU approximately corresponds to 20 MHz. The bandwidths corresponding to other sizes of RUs can be deduced by addition or multiplication accordingly, which will not be elaborated here.

[0098] It can be understood that since the 802.11be standard allows multiple RUs to be allocated to a STA, that is, multiple RUs are combined and allocated to a STA, the 802.11be standard supports multiple resource units (MRUs). In other words, in addition to the several types of RUs mentioned above, the 802.11be standard also introduces some MRUs. Exemplarily, a 52-tone RU and a 26-tone RU can form a 52+26-tone MRU; a 106-tone RU and a 26-tone RU can form a 106+26-tone MRU. Another example, a 484-tone RU and a 242-tone RU can form a 484+242-tone MRU, and a 996-tone RU and a 484-tone RU can form a 996+484-tone MRU. Another example, a 996-tone RU, a 484-tone RU, and a 242-tone RU can form a 996+484+242-tone MRU, two 996-tone RUs and a 484-tone RU can form a 2×996+484-tone MRU, three 996-tone RUs can form a 3×996-tone MRU, three 996-tone RUs and a 484-tone RU can form a 3×996+484-tone MRU, etc. It can be understood that with the continuous evolution and development of communication technologies, the next-generation standard of 802.11be may support more RU or MRU formats, which are not restricted in this application.

[0099] II. Uplink Multi-User Transmission

[0100] Uplink multi-user transmission is an important technology. Refer to Figure 6 , Figure 6 which is a schematic flowchart of the uplink multi-user transmission provided by the embodiments of this application. As Figure 6 shown, the process of uplink multi-user transmission may include: The AP sends a trigger frame to trigger uplink multi-user transmission, and the trigger frame carries identifier information and resource allocation information of one or more stations; after each station receives the trigger frame, it sends an uplink data frame on the allocated resource unit (RU) using a trigger based physical layer protocol data unit (TB PPDU), and receives a block acknowledgment (BA) frame sent by the AP after a short inter-frame space (SIFS).

[0101] III. Distributed Resource Unit (dRU)

[0102] Both the European Telecommunications Standards Institute (ETSI) and the Federal Communications Commission (FCC) in the United States have promulgated regulations on the 6 GHz spectrum, which limit the maximum transmit power and the maximum power spectral density. Compared with the maximum transmit power, the limitation of the maximum power spectral density is more stringent, and the allowable maximum transmit power is usually more restricted by the power spectral density (PSD). Due to the limitation of the maximum power spectral density, the transmit power of a single continuous RU is limited. It should be understood that the continuous RU in this application refers to an RU composed of a continuous plurality of subcarriers, or a continuous RU is an RU composed of two groups of continuous subcarrier groups, where each group of continuous subcarrier groups includes a plurality of continuous subcarriers, and only guard subcarriers, null subcarriers, or DC subcarriers are interposed between the two groups of continuous subcarrier groups. Of course, the continuous RU can also have other names, and this application does not limit the name of the continuous RU.

[0103] The maximum power spectral density can refer to the maximum transmit power within 1 MHz, or rather, the maximum power spectral density is expressed in the form that the transmit power within 1 MHz does not exceed x dBm (dBm = 10lg(mW), where lg represents the logarithm to the base 10). The minimum granularity of the maximum power spectral density is 1 MHz. Therefore, without changing the transmit power within 1 MHz, that is, without changing the power spectral density, the distributed RU technology is proposed to increase the transmit power. Among them, the distributed RU corresponds to the continuous RU. The distributed RU includes a plurality of subcarriers that are discrete in the frequency domain. The plurality of discrete subcarriers can be partially discrete or completely discrete. That is to say, the plurality of discrete subcarriers can include a part of subcarriers that are continuous in frequency and a part of subcarriers that are discontinuous in frequency; or, the plurality of discrete subcarriers can also be completely discontinuous in frequency. It should be understood that the "distributed RU" and "dRU" in this article can be used interchangeably. It should also be understood that the distributed RU mentioned in this article refers to an RU with subcarriers that are discrete in the frequency domain, that is, an RU with this characteristic is called a distributed RU in this article, but in practice, an RU with this characteristic can also have other names, and this application does not make a limitation.

[0104] For the dRU and the continuous RU that contain the same number of subcarriers, the bandwidth spanned by the dRU in the frequency domain from the low-frequency starting position to the high-frequency ending position is greater than the frequency-domain bandwidth occupied by the continuous RU. Thus, with the same maximum power spectral density, the total transmission power of the dRU can be higher than that of the continuous RU. That is to say, under the condition of power spectral density limitation, dispersing a limited number of subcarriers (such as the 26 subcarriers included in a continuous 26-tone RU) to a wider bandwidth, namely, more subcarriers (such as the odd subcarriers of 2 continuous 26-tone RUs), can achieve an increase in the transmission power. Therefore, compared with the continuous RU, when using the dRU for data transmission, the transmission power on each subcarrier can be increased, the total transmission power can be improved, and the signal-to-noise ratio (SNR) can be enhanced.

[0105] In the embodiments of the present application, it can be understood that during a single transmission by a user (such as a STA), the transmission power of each sub-carrier in the resource unit allocated to the STA is the same. Taking a carrier spacing of 78.125 kHz as an example, there are 12.8 (1000 / 78.125 = 12.8, approximately 13) sub-carriers in 1 MHz. Assume that the transmission power of 1 MHz does not exceed p mW (i.e., the maximum power spectral density). The maximum number of sub-carriers carrying signals among any consecutive 13 sub-carriers will determine the average power of each sub-carrier, and thus determine the transmission power of the signal. Among them, the transmission power of the signal is equal to the product of the average power of each sub-carrier and the number of sub-carriers. For example, assume that among any consecutive 13 sub-carriers (1 MHz), the maximum number of sub-carriers carrying signals is 5. Then, the average power of each sub-carrier within a 1 MHz bandwidth is (p / 5) mW. Assume that among any consecutive 13 sub-carriers (1 MHz), the maximum number of sub-carriers carrying signals is 2. Then, the average power of each sub-carrier within a 1 MHz bandwidth is (p / 2) mW. In other words, when the maximum power spectral density is constant, the more sub-carriers carrying signals among any consecutive 13 sub-carriers, the smaller the average power of each sub-carrier, and the smaller the total transmission power. Thus, it can be known that if the resource unit allocated to the STA is a 26-tone dRU, that is, the number of sub-carriers carrying signals is 26. If among any consecutive 13 sub-carriers of the toneplan, the maximum number of sub-carriers carrying signals is 2, such as the bandwidth size occupied by the 26-tone dRU is 26 / 2 = 13 MHz, then the average power of each sub-carrier within a 1 MHz bandwidth is (p / 2) mW. Then, the total transmission power of the 26-tone dRU can be calculated based on the total transmission power of the sub-carriers, specifically (p / 2) * 26 mW, or calculated based on the bandwidth occupied by the sub-carriers, specifically 13 * p mW. If the resource unit allocated to the STA is a continuous 26-tone RU, since the continuous 26-tone RU includes 26 consecutive sub-carriers (2 groups of consecutive 13 sub-carriers), that is, the bandwidth size occupied by the continuous 26-tone RU is 2 MHz, then the average power of each sub-carrier within a 1 MHz bandwidth is (p / 13) mW. Then, the total transmission power of the continuous 26-tone RU can be calculated based on the total transmission power of the sub-carriers, specifically (p / 13) * 26 mW, or calculated based on the bandwidth occupied by the sub-carriers, specifically 2 * p mW. In comparison, under the same maximum power spectral density, the total transmission power of the 26-tone dRU is 6.5 times higher than that of the continuous 26-tone RU.

[0106] In one implementation, dRU tone plan design can be based on equal sub - carrier spacing. For example, the sub - carrier spacing in a 26 - tone dRU within a 20 - MHz bandwidth is 9, the sub - carrier spacing in a 26 - tone dRU within a 40 - MHz bandwidth is 18, and the sub - carrier spacing in a 26 - tone dRU within an 80 - MHz bandwidth is 36. In this dRU tone plan design based on equal sub - carrier spacing, the number of sub - carriers carrying signals within each 1 - MHz frequency - domain window is the same. When the power is evenly distributed to each sub - carrier, the bandwidth corresponding to the total power is less than the actual signal bandwidth, which means that the dRU does not utilize the potential power gain brought by all the bandwidth. For example, within a 20 - MHz bandwidth, there are a total of 242 sub - carriers carrying signals, and the sub - carrier spacing is 78.125 KHz. The maximum power spectral density is x dBm / MHz. Then each 1 - MHz frequency - domain window can cover 13 (1000 / 78.125 = 12.8, approximately 13) sub - carriers. When designing dRU based on equal sub - carrier spacing, the maximum sub - carrier spacing of the sub - carriers carrying signals in a 26 - tone dRU is 9 (242 / 26 = 9.3, rounded down to 9) sub - carriers. In other words, each 1 - MHz frequency - domain window (i.e., 13 sub - carriers) may cover 2 sub - carriers carrying signals within a 26 - tone dRU. Therefore, every two sub - carriers within a 26 - tone dRU share x dBm of transmission power. So the average transmission power of each sub - carrier within a 26 - tone dRU is (x dBm) / 2. At this time, the total transmission power of 26 sub - carriers is (x dBm) / 2 * 26 = 13 * (x dBm), and the corresponding bandwidth is 13 MHz. This shows that this implementation wastes the potential power gain corresponding to the other 7 (20 - 13 = 7) MHz bandwidth.

[0107] Although dispersing the sub - carriers included in the resource unit to a larger bandwidth (larger than the bandwidth occupied by the continuous RU) can increase the transmission power, there is still room for improvement in the power gain of the existing dRU. Therefore, this application provides a carrier plan (tone plan) design for dRU under an 80 - MHz bandwidth. This dRU carrier plan can be applied to uplink and / or downlink transmissions. Taking the application of dRU in uplink (multi - user) transmission as an example, this application provides a communication method. The STA uses its allocated dRU for transmission. Under the condition of meeting the power spectral density requirements, compared with the transmission method using continuous RUs, the transmission power can be increased. And when the data sub - carriers within the 80 - MHz bandwidth reach the dRU power increase limit, the available power of the pilot sub - carriers in various dRUs (such as 106 - tone dRU and 242 - tone dRU) within the 80 - MHz bandwidth can be increased, thereby obtaining a 3 - dB gain improvement.

[0108] In this application, unless otherwise specified, the same or similar parts between various embodiments or implementation manners can be referred to each other. In each embodiment of this application, as well as in each implementation manner / implementation method / realization method in each embodiment, if there is no special specification and logical conflict, the terms and / or descriptions between different embodiments, as well as between each implementation manner / implementation method / realization method in each embodiment, are consistent and can be cited mutually. The technical features in different embodiments, as well as in each implementation manner / implementation method / realization method in each embodiment, can be combined to form new embodiments, implementation manners, implementation methods, or realization methods according to their internal logical relationships. The implementation manners of this application described below do not constitute a limitation on the protection scope of this application.

[0109] To describe the technical solution of this application more clearly, first, the tone plan of the dRU under an 80 MHz bandwidth provided by the embodiments of this application will be described in detail. Exemplarily, the dRU in this application can include a plurality of subcarriers discrete in the frequency domain. The plurality of discrete subcarriers can be partially discrete or completely discrete. Or rather, the plurality of discrete subcarriers can include a part of subcarriers that are continuous in frequency and a part of subcarriers that are discontinuous in frequency; or, the plurality of discrete subcarriers can also be completely discontinuous in frequency.

[0110] It can be understood that the maximum number of subcarriers carrying signals within an 80 MHz bandwidth is 996. In a possible dRU tone plan, within an 80 MHz bandwidth, it can include 1 996-tone dRU, or include 2 484-tone dRUs, or include 4 242-tone dRUs, or include 8 106-tone dRUs, or include 16 52-tone dRUs, or include 37 or 36 26-tone dRUs, or include various combinations of 26-tone dRUs, 52-tone dRUs, 106-tone dRUs, 242-tone dRUs, and 484-tone dRUs.

[0111] Among them, a 26-tone dRU can be understood as a dRU containing 26 subcarriers. Similarly, a 52-tone dRU can be understood as a dRU containing 52 subcarriers, a 106-tone dRU can be understood as a dRU containing 106 subcarriers, a 242-tone dRU can be understood as a dRU containing 242 subcarriers, a 484-tone dRU can be understood as a dRU containing 484 subcarriers, and a 996-tone dRU can be understood as a dRU containing 996 subcarriers. This will not be elaborated further below.

[0112] Each 26-tone dRU includes 24 data subcarriers and 2 pilot subcarriers. Each 52-tone dRU includes 48 data subcarriers and 4 pilot subcarriers, which can be understood as being formed by combining 2 26-tone dRUs. Each 106-tone dRU includes 102 data subcarriers and 4 pilot subcarriers, which can be understood as being formed by combining 2 52-tone dRUs and an additional 2 subcarriers. Each 242-tone dRU includes 234 data subcarriers and 8 pilot subcarriers, which can be understood as being formed by combining 2 106-tone dRUs, 1 26-tone dRU, and an additional 4 subcarriers. Each 484-tone dRU includes 468 data subcarriers and 16 pilot subcarriers, which can be understood as being formed by combining 2 242-tone dRUs. The 996-tone dRU includes 980 data subcarriers and 16 pilot subcarriers, which can be understood as being formed by combining 2 484-tone dRUs, 1 26-tone dRU, and an additional 2 subcarriers, or can be understood as being formed by combining 2 484-tone dRUs and an additional 28 subcarriers.

[0113] Considering that there are direct current subcarriers (DC tones) within the 80 MHz bandwidth, such as the 996-tone dRU having 5 DC tones located at the middle position of the 80 MHz carrier plan (tone plan), in the embodiments of the present application, the 996 subcarriers carrying signals within the 80 MHz bandwidth are divided into two parts according to the positions of the direct current subcarriers, namely the left part and the right part. The left part can be divided into two sub-parts, namely the first sub-part and the second sub-part; the right part can also be divided into two sub-parts, namely the third sub-part and the fourth sub-part. The first sub-part and the third sub-part can each include 468 subcarriers, and the second sub-part and the fourth sub-part can each include 30 subcarriers. It can be understood that the first sub-part to the fourth sub-part are all logical parts, and the actual subcarrier positions corresponding to the first sub-part and the second sub-part can be separated or interspersed with each other; similarly, the actual subcarrier positions corresponding to the third sub-part and the fourth sub-part can be separated or interspersed with each other. Refer to Figure 7 , Figure 7 which is a schematic diagram of the division of subcarriers within the 80 MHz bandwidth provided by the embodiments of the present application. As Figure 7As shown, the tone of the second sub - part can be located on one side of the first sub - part, and correspondingly, the tone of the fourth sub - part can be located on one side of the third sub - part; or the tone of the second sub - part can be interspersed in the middle of the first sub - part, and correspondingly, the tone of the fourth sub - part can also be interspersed in the middle of the third sub - part. The left part and the right part can have a translation relationship or a symmetry relationship. The first sub - part of the left part and the third sub - part of the right part can have a translation relationship or a symmetry relationship, and correspondingly, the second sub - part of the left part and the fourth sub - part of the right part can have a translation relationship or a symmetry relationship. Among them, the first sub - part and the third sub - part have a total of 2 * 468 = 936 sub - carriers, which can be jointly used to construct 36 26 - tone dRUs, that is: 2 * 468 / 26 = 36. The second sub - part and the fourth sub - part have a total of 2 * 30 = 60 sub - carriers, of which 26 sub - carriers can be used to construct 1 26 - tone dRU. For the sake of description, this 26 - tone dRU is called 26 - tone dRU 37; or 26 sub - carriers of these 60 sub - carriers can be used as DC sub - carriers and distributed near the existing 5 DC sub - carriers (such as Figure 7 the DC tone in

[0114] In this article, the symbol "*" represents the multiplication or multiply operation, which will not be elaborated below.

[0115] Exemplarily, based on Figure 7For the subcarrier division within the 80 MHz bandwidth shown, the first sub - part and the third sub - part can be jointly used to construct 36 26 - tone dRUs. One 26 - tone dRU can be composed of the merger of 13 subcarriers in the first sub - part of the left part and 13 subcarriers in the third sub - part of the right part. The 2 pilot subcarriers in one 26 - tone dRU are composed of 1 subcarrier in the first sub - part of the left part and 1 subcarrier in the third sub - part of the right part. The 24 data subcarriers in one 26 - tone dRU are composed of 12 subcarriers in the first sub - part of the left part and 12 subcarriers in the third sub - part of the right part. Different 26 - tone dRUs have different subcarriers. The pilot subcarriers and data subcarriers of the same 26 - tone dRU are not the same. For the 26 - tone dRU 37 constructed from the second sub - part and the fourth sub - part, it can be distributed at intervals greater than 13 subcarriers in the tone plan of the dRU.

[0116] One 52 - tone dRU can be composed of the merger of two 26 - tone dRUs.

[0117] One 106 - tone dRU can be composed of the merger of two 52 - tone dRUs, 1 subcarrier in the second sub - part of the left part, and 1 subcarrier in the fourth sub - part of the right part. The pilot subcarriers of the 106 - tone dRU can be composed of partial pilot subcarriers of the two 52 - tone dRUs that make up this 106 - tone dRU.

[0118] One 242 - tone dRU can be composed of the merger of two 106 - tone dRUs, one 26 - tone dRU, 2 subcarriers in the second sub - part of the left part, and 2 subcarriers in the fourth sub - part of the right part.

[0119] One 484 - tone dRU can be composed of the merger of two 242 - tone dRUs.

[0120] One 996 - tone dRU can be composed of the merger of two 484 - tone dRUs, 26 subcarriers (which can form one 26 - tone dRU, i.e., 26 - tone dRU 37) from the second sub - part and the fourth sub - part (a total of 60 subcarriers), 1 subcarrier in the second sub - part of the left part, and 1 subcarrier in the fourth sub - part of the right part.

[0121] Based on the above Figure 7 shown subcarrier division within the 80 MHz bandwidth, the design concept of the tone plan of the dRU in the embodiments of this application is introduced.

[0122] In a possible implementation, since the first sub - part and the third sub - part can be jointly used to construct 36 26 - tone dRUs, for the sake of convenient description, a dRU composed of 4 26 - tone dRUs can be called a 104 - tone dRU. It can be understood that there is no 104 - tone dRU in the actual dRU carrier planning. These 36 26 - tone dRUs can form 9 104 - tone dRUs. Because in addition to including 4 26 - tone dRUs, 1 106 - tone dRU also needs to be composed of the combination of 1 sub - carrier of the second sub - part and 1 sub - carrier of the fourth sub - part. Therefore, in order to clearly describe how the first sub - part and the third sub - part construct the 106 - tone dRU, a dRU composed of 4 26 - tone dRUs among the 36 26 - tone dRUs jointly constructed by the first sub - part and the third sub - part is called a 104 - tone dRU.

[0123] For the 468 sub - carriers included in the first sub - part or the third sub - part, these 468 sub - carriers can be expressed in the following form:

[0124] {SCdv, SCdu, SCdv, SCpu, SCdv, SCdu, SCdv,

[0125] SCdu, SCdv, SCdu, SCpv, SCdu, SCdv, SCdu,

[0126] SCdv, SCdu, SCdv, SCpu, SCdv, SCdu, SCdv,

[0127] SCdu, SCdv, SCdu, SCpv, SCdu, SCdv, Scdu,

[0128] SCdv, SCdu, SCdv, SCpu, SCdv, SCdu, SCdv,

[0129] SCdu, SCdv, SCdu, SCpv, SCdu, SCdv, SCdu,

[0130] SCdv, SCdu, SCdv, SCpu, SCdv, SCdu, SCdv,

[0131] SCdu, SCdv, SCdu, SCpv, SCdu, SCdv, SCdu}.

[0132] Regarding the meanings of "SCdu", "SCdv", "SCpu", and "SCpv", there are two possible implementation methods respectively.

[0133] Implementation method a:

[0134] One SCdu represents 10 consecutive subcarriers in the first sub - part or the third sub - part. Among them, the first 5 subcarriers and the last 5 subcarriers of SCdu can be represented as {SCd1, SCd2, SCd3, SCd4, SCd5}. "SCd1" represents 2 subcarriers, which are the first subcarrier among the first 5 subcarriers of SCdu and the first subcarrier among the last 5 subcarriers of SCdu respectively. "SCd2" also represents 2 subcarriers, which are the second subcarrier among the first 5 subcarriers of SCdu and the second subcarrier among the last 5 subcarriers of SCdu respectively. "SCd3" also represents 2 subcarriers, which are the third subcarrier among the first 5 subcarriers of SCdu and the third subcarrier among the last 5 subcarriers of SCdu respectively. "SCd4" also represents 2 subcarriers, which are the fourth subcarrier among the first 5 subcarriers of SCdu and the fourth subcarrier among the last 5 subcarriers of SCdu respectively. "SCd5" also represents 2 subcarriers, which are the fifth subcarrier among the first 5 subcarriers of SCdu and the fifth subcarrier among the last 5 subcarriers of SCdu respectively.

[0135] The first 5 subcarriers and the last 5 subcarriers of SCdu can be used for the data subcarriers of 5 104 - tone dRUs respectively, and the subcarriers at the same position in the first 5 subcarriers and the last 5 subcarriers are used for the same 104 - tone dRU. For example: the 2 subcarriers represented by SCd1 are used for the same 104 - tone dRU, the 2 subcarriers represented by SCd2 are used for another 104 - tone dRU, the 2 subcarriers represented by SCd3 are used for yet another 104 - tone dRU, and so on. {SCd1, SCd2, SCd3, SCd4, SCd5} are used for 5 104 - tone dRUs respectively.

[0136] One SCdv represents eight consecutive subcarriers in the first sub - part or the third sub - part. Among them, the first four subcarriers and the last four subcarriers of SCdv can be represented as {SCd6, SCd7, SCd8, SCd9}. "SCd6" represents two subcarriers, which are respectively the first sub - carrier among the first four subcarriers of SCdv and the first sub - carrier among the last four subcarriers of SCdv. "SCd7" also represents two subcarriers, which are respectively the second sub - carrier among the first four subcarriers of SCdv and the second sub - carrier among the last four subcarriers of SCdv. "SCd8" also represents two subcarriers, which are respectively the third sub - carrier among the first four subcarriers of SCdv and the third sub - carrier among the last four subcarriers of SCdv. "SCd9" also represents two subcarriers, which are respectively the fourth sub - carrier among the first four subcarriers of SCdv and the fourth sub - carrier among the last four subcarriers of SCdv.

[0137] The first four subcarriers and the last four subcarriers of SCdv can be respectively used as the data subcarriers of another four 104 - tone dRUs, and the subcarriers at the same positions in the first four subcarriers and the last four subcarriers are used for the same 104 - tone dRU.

[0138] One SCpu represents five consecutive subcarriers in the first sub - part or the third sub - part. Among them, the five subcarriers of SCpu can be represented as {SCp1, SCp2, SCp3, SCp4, SCp5}. These five consecutive subcarriers can be respectively used as the pilot subcarriers of the above - mentioned five 104 - tone dRUs.

[0139] One SCpv represents four consecutive subcarriers in the first sub - part or the third sub - part. Among them, the four subcarriers of SCpv can be represented as {SCp6, SCp7, SCp8, SCp9}. These four consecutive subcarriers can be respectively used as the pilot subcarriers of the above - mentioned another four 104 - tone dRUs.

[0140] Implementation method b:

[0141] One SCdu represents eight consecutive subcarriers in the first sub - part or the third sub - part. Among them, the first four subcarriers and the last four subcarriers of SCdu can be represented as {SCd1, SCd2, SCd3, SCd4}. "SCd1" represents two subcarriers, which are the first subcarrier among the first four subcarriers of SCdu and the first subcarrier among the last four subcarriers of SCdu respectively. "SCd2" also represents two subcarriers, which are the second subcarrier among the first four subcarriers of SCdu and the second subcarrier among the last four subcarriers of SCdu respectively. "SCd3" also represents two subcarriers, which are the third subcarrier among the first four subcarriers of SCdu and the third subcarrier among the last four subcarriers of SCdu respectively. "SCd4" also represents two subcarriers, which are the fourth subcarrier among the first four subcarriers of SCdu and the fourth subcarrier among the last four subcarriers of SCdu respectively.

[0142] The first four subcarriers and the last four subcarriers of SCdu can be used for the data subcarriers of four 104 - tone dRUs respectively, and the subcarriers in the same position among the first four subcarriers and the last four subcarriers are used for the same 104 - tone dRU. For example: the two subcarriers represented by SCd1 are used for the same 104 - tone dRU, the two subcarriers represented by SCd2 are used for another 104 - tone dRU, the two subcarriers represented by SCd3 are used for yet another 104 - tone dRU, and so on. {SCd1, SCd2, SCd3, SCd4} are used for four 104 - tone dRUs respectively.

[0143] One SCdv represents ten consecutive subcarriers in the first sub - part or the third sub - part. Among them, the first five subcarriers and the last five subcarriers of SCdv can be represented as {SCd5, SCd6, SCd7, SCd8, SCd9}. "SCd5" represents two subcarriers, which are the first subcarrier among the first five subcarriers of SCdv and the first subcarrier among the last five subcarriers of SCdv respectively. "SCd6" also represents two subcarriers, which are the second subcarrier among the first five subcarriers of SCdv and the second subcarrier among the last five subcarriers of SCdv respectively. "SCd7" also represents two subcarriers, which are the third subcarrier among the first five subcarriers of SCdv and the third subcarrier among the last five subcarriers of SCdv respectively. "SCd8" also represents two subcarriers, which are the fourth subcarrier among the first five subcarriers of SCdv and the fourth subcarrier among the last five subcarriers of SCdv respectively. "SCd9" also represents two subcarriers, which are the fifth subcarrier among the first five subcarriers of SCdv and the fifth subcarrier among the last five subcarriers of SCdv respectively.

[0144] The first 5 subcarriers and the last 5 subcarriers of SCdv can be respectively used as the data subcarriers of another 5 104-tone dRUs, and the subcarriers at the same positions in the first 5 subcarriers and the last 5 subcarriers are used for the same 104-tone dRU.

[0145] One SCpu represents 4 consecutive subcarriers in the first sub-part or the third sub-part. Among them, the 4 subcarriers of SCpu can be expressed as {SCp1, SCp2, SCp3, SCp4}. These 4 consecutive subcarriers can be respectively used as the pilot subcarriers of the above 4 104-tone dRUs.

[0146] One SCpv represents 5 consecutive subcarriers in the first sub-part or the third sub-part. Among them, the 5 subcarriers of SCpv are expressed as {SCp5, SCp6, SCp7, SCp8, SCp9}. These 5 consecutive subcarriers can be respectively used as the pilot subcarriers of the above another 5 104-tone dRUs.

[0147] In the above two implementation manners (i.e., implementation manner a and implementation manner b), for a subcarrier of SCpu or SCpv used for a 106 (or 104)-tone dRU, within 1 MHz (or 13 subcarriers) centered on it, there is only 1 subcarrier used for this 106 (or 104)-tone dRU. While for a subcarrier of SCdu or SCdv used for a 106 (or 104)-tone dRU, within 1 MHz (or 13 subcarriers) centered on it, there are 2 subcarriers used for this 106 (or 104)-tone dRU. Therefore, when using a subcarrier of SCpu or SCpv as the pilot subcarrier of a 106 (104)-tone dRU, since the number of data subcarriers per MHz in a 106 (104)-tone dRU is 2 times the number of pilot subcarriers, the transmission power of the pilot subcarrier can be increased by 2 times relative to the transmission power of the data subcarrier, that is: the pilot subcarrier can obtain a 3 dB power gain.

[0148] In the above two implementation manners (i.e., implementation manner a and implementation manner b), SCdu and SCdv represent the data subcarriers for 106 (or 104)-tone dRUs, and the subcarriers represented by SCdu and SCdv are respectively used for 9 different 104-tone dRUs. The subcarriers represented by SCpu and SCpv can be wholly or partly used as the pilot subcarriers for 106 (or 104)-tone dRUs, and the subcarriers represented by SCpu and SCpv are respectively used for 9 different 104-tone dRUs. The embodiments of the present application will be described below by taking implementation manner a as an example.

[0149] In the first and third sub - parts, a 104 - toned RU has 8 sub - carriers belonging to SCpu or SCpv and 96 sub - carriers belonging to SCdu or SCdv. A 104 - tone dRU consists of two 52 - tone dRUs, and each of the 2 52 - tone dRUs includes 4 pilot sub - carriers and 48 data sub - carriers.

[0150] One way to split a 104 - tone dRU into two 52 - tone dRUs is: 52 - tone dRU 1 = 104 - tone dRU 1(1:2:103), 52 - tone dRU 2 = 104 - tone dRU 1(2:2:104). Here, 104 - tone dRU1(1:2:103) represents the sub - carriers at odd positions in 104 - tone dRU 1; 104 - tone dRU 1(2:2:104) represents the sub - carriers at even positions in 104 - tone dRU 1. Another way to split a 104 - tone dRU into two 52 - tone dRUs is: the sub - carriers at odd and even positions among the pilot sub - carriers of the 104 - tone dRU are respectively used as the pilot sub - carriers of the two 52 - tone dRUs, and the sub - carriers at odd and even positions among the data sub - carriers of the 104 - tone dRU are respectively used as the data sub - carriers of the two 52 - tone dRUs. Yet another way to split a 104 - tone dRU into two 52 - tone dRUs is: separate the first 52 sub - carriers and the last 52 sub - carriers of the 104 - tone dRU, and the first 52 sub - carriers and the last 52 sub - carriers are respectively used for the two 52 - tone dRUs. The above splitting methods are also applicable to splitting a 52 - tone dRU within an 80 - MHz bandwidth into two 26 - tone dRUs.

[0151] For the second and fourth sub - parts, they can be used together with 26 - tone dRUs and / or 52 - tone dRUs to construct a dRU with a size not less than 106 - tone dRU. Exemplarily, the principles for selecting sub - carriers from the second and fourth sub - parts include: for the same dRU, the sub - carriers selected from the second and / or fourth sub - parts should not make the minimum sub - carrier spacing of the sub - carriers belonging to the first and third sub - parts included in this dRU become smaller.

[0152] For better illustration Figure 7The relationship between the subcarriers in the left part (including the first sub-part and the second sub-part) and the right part (including the third sub-part and the fourth sub-part) within the 80 MHz bandwidth and the dRU is shown in the following table, as shown in Table 1 below. It can be understood that the relationship between the subcarriers in the left part (including the first sub-part and the second sub-part) and the dRU is the same as the relationship between the subcarriers in the right part (including the third sub-part and the fourth sub-part) and the dRU. In Table 1, "26_1 to 26_37" respectively represent 26-tone dRUs with indexes from 1 to 37. Similarly, "52_1 to 52_18" respectively represent 52-tone dRUs with indexes from 1 to 18, "106_1 to 106_9" respectively represent 106-tone dRUs with indexes from 1 to 9, "242_1 to 242_4" respectively represent 242-tone dRUs with indexes from 1 to 4, "484_1 to 484_2" respectively represent 484-tone dRUs with indexes from 1 to 2, and "996_1" represents a 996-tone dRU with an index of 1. For the meanings of SCd1 to SCd9 and SCp1 to SCp9 in Table 1, refer to the description in the foregoing implementation manner a, which will not be elaborated here. In Table 1, "tone 1 to tone 30" represents the 1st to 30th subcarriers in the second sub-part or the fourth sub-part. The same expression below represents the same meaning and will not be elaborated again.

[0153] Table 1

[0154]

[0155]

[0156] Based on the design idea of the dRU carrier plan (tone plan) introduced above, the following examples illustrate various dRUs provided by the embodiments of the present application and the subcarriers they contain.

[0157] It can be understood that within the 80 MHz bandwidth, there are a total of 1024 subcarriers. After removing 23 guard subcarriers, there are 1001 subcarriers left. The indexes (tone indexes) of these 1001 subcarriers can be expressed as [-500:500], that is, -500, -499, -498, …, -1, 0, 1, …, 498, 499, 500. The subcarrier indexes in the embodiments of the present application can be numbered in ascending order of frequency, that is, the subcarrier with the smallest index value has the lowest frequency, and the subcarrier with the largest index value has the highest frequency. Of course, it can also be that the subcarrier indexes are numbered in descending order of frequency, that is, the subcarrier with the smallest index value has the highest frequency, and the subcarrier with the largest index value has the lowest frequency. The embodiments of the present application do not make any restrictions.

[0158] In a possible implementation, 802.11ax defines 37 26-tone RUs, one of which is located near the DC subcarrier. It may be affected by DC leakage on wireless transmission, but it improves the spectral efficiency. Since there are no continuous subcarriers near the DC in dRUs compared to continuous RUs, the number of resource units containing 26 subcarriers can be restored to 37, thus improving the spectral efficiency.

[0159] Example 1: The left and right parts described above Figure 7 are symmetric about the DC subcarrier (DC tone), and the subcarriers of the second subpart are interspersed in the middle of the first subpart, and the subcarriers of the fourth subpart are interspersed in the middle of the third subpart. In addition, tones 1 to 17 of the fourth subpart in the right part respectively correspond to subcarrier indices 11 to 19 and 3 to 10, and tones 18 to 30 of the fourth subpart in the right part are distributed at intervals of more than 13 subcarriers among subcarrier indices 20 to 500 (e.g., tones 18 to 30 respectively correspond to subcarrier indices 20, 52, 79, 112, 172, 199, 232, 292, 319, 352, 412, 439, 472), and the third subpart in the right part corresponds to the remaining 468 subcarriers in sequence among subcarrier indices 20 to 500. Then, according to the relationship between subcarriers and dRUs shown in Table 1 above, the subcarriers included in 37 26-tone dRUs under 80 MHz bandwidth are shown in Table 2 below. Among them, the dRU index in the embodiments of the present application is the logical index of the predefined dRU, which will not be elaborated below.

[0160] Table 2

[0161]

[0162]

[0163]

[0164] In the carrier planning of dRUs, 80 MHz bandwidth can include 16 52-tone dRUs. Each 52-tone dRU can be understood as composed of the combination of 2 26-tone dRUs, and the specific subcarriers included are shown in Table 3 below.

[0165] Table 3

[0166]

[0167]

[0168] In the carrier planning of dRU, an 80 MHz bandwidth can include 8 106-tone dRUs. One 106-tone dRU can be understood as being composed of 2 52-tone dRUs (or 4 26-tone dRUs) and an additional 2 subcarriers merged together. The specific subcarriers included are shown in Table 4 below.

[0169] Table 4

[0170]

[0171]

[0172] In a possible implementation, the 106-tone dRU with index 1 can also be understood as being composed of the 52-tone dRUs with indices 1 and 2 and the subcarriers with subcarrier indices {-11, 11} merged together. The 106-tone dRU with index 2 can also be understood as being composed of the 52-tone dRUs with indices 3 and 4 and the subcarriers with subcarrier indices {-15, 15} merged together. The 106-tone dRU with index 3 can also be understood as being composed of the 52-tone dRUs with indices 5 and 6 and the subcarriers with subcarrier indices {-13, 13} merged together. The 106-tone dRU with index 4 can also be understood as being composed of the 52-tone dRUs with indices 7 and 8 and the subcarriers with subcarrier indices {-17, 17} merged together. The 106-tone dRU with index 5 can also be understood as being composed of the 52-tone dRUs with indices 9 and 10 and the subcarriers with subcarrier indices {-12, 12} merged together. The 106-tone dRU with index 6 can also be understood as being composed of the 52-tone dRUs with indices 11 and 12 and the subcarriers with subcarrier indices {-16, 16} merged together. The 106-tone dRU with index 7 can also be understood as being composed of the 52-tone dRUs with indices 13 and 14 and the subcarriers with subcarrier indices {-14, 14} merged together. The 106-tone dRU with index 8 can also be understood as being composed of the 52-tone dRUs with indices 15 and 16 and the subcarriers with subcarrier indices {-18, 18} merged together.

[0173] In the carrier planning of dRU, an 80 MHz bandwidth can include 4 242-tone dRUs. One 242-tone dRU can be understood as being composed of 2 106-tone dRUs, 1 26-tone dRU, and an additional 4 subcarriers merged together, or one 242-tone dRU can be understood as being composed of 9 26-tone dRUs and an additional 8 subcarriers merged together. The specific subcarriers included are shown in Table 5 below.

[0174] Table 5

[0175]

[0176]

[0177]

[0178] In a possible implementation, the 242-tone dRU with index 1 can also be understood as composed of the 106-tone dRUs with indices 1 and 2 (i.e., the 52-tone dRUs with indices 1 to 4, and the subcarriers with subcarrier indices {-15, -11, 11, 15}), the 26-tone dRU with index 5, and the subcarriers with subcarrier indices {-7, -3, 3, 7} combined. The 242-tone dRU with index 2 can also be understood as composed of the 106-tone dRUs with indices 3 and 4 (i.e., the 52-tone dRUs with indices 5 to 8, and the subcarriers with subcarrier indices {-17, -13, 13, 17}), the 26-tone dRU with index 14, and the subcarriers with subcarrier indices {-9, -5, 5, 9} combined. The 242-tone dRU with index 3 can also be understood as composed of the 106-tone dRUs with indices 5 and 6 (i.e., the 52-tone dRUs with indices 9 to 12, and the subcarriers with subcarrier indices {-16, -12, 12, 16}), the 26-tone dRU with index 24, and the subcarriers with subcarrier indices {-8, -4, 4, 8} combined. The 242-tone dRU with index 4 can also be understood as composed of the 106-tone dRUs with indices 7 and 8 (i.e., the 52-tone dRUs with indices 13 to 16, and the subcarriers with subcarrier indices {-18, -14, 14, 18}), the 26-tone dRU with index 33, and the subcarriers with subcarrier indices {-10, -6, 6, 10} combined.

[0179] In the carrier planning of the dRU, the 80 MHz bandwidth can include 2 484-tone dRUs. One 484-tone dRU can be understood as composed of 2 242-tone dRUs combined, or one 484-tone dRU can be understood as composed of 18 26-tone dRUs and 16 additional subcarriers combined, and the specific subcarriers included are as shown in Table 6 below.

[0180] Table 6

[0181]

[0182]

[0183] In a possible implementation, the 484-tone dRU with index 1 can also be understood as being composed of the merged 242-tone dRUs with indices 1 and 2, or the 106-tone dRUs with indices 1 to 4, the 26-tone dRUs with indices 5 and 14, and the subcarriers with subcarrier indices {-9, -7, -5, -3, 3, 5, 7, 9}, or the 52-tone dRUs with indices 1 to 8, the 26-tone dRUs with indices 5 and 14, and the subcarriers with subcarrier indices {-17, -15, -13, -11, -9, -7, -5, -3, 3, 5, 7, 9, 11, 13, 15, 17}. The 484-tone dRU with index 2 can also be understood as being composed of the merged 242-tone dRUs with indices 3 and 4, or the 106-tone dRUs with indices 5 to 8, the 26-tone dRUs with indices 24 and 33, and the subcarriers with subcarrier indices {-10, -8, -6, -4, 4, 6, 8, 10}, or the 52-tone dRUs with indices 9 to 16, the 26-tone dRUs with indices 24 and 33, and the subcarriers with subcarrier indices {-18, -16, -14, -12, -10, -8, -6, -4, 4, 6, 8, 10, 12, 14, 16, 18}.

[0184] In the carrier planning of the dRU, the 80 MHz bandwidth can include 1 996-tone dRU. 1 996-tone dRU can be understood as being composed of 2 484-tone dRUs, 1 26-tone dRU, and an additional 2 subcarriers merged together, or it can be understood that 1 996-tone dRU is composed of 37 26-tone dRUs and an additional 34 subcarriers merged together. The specific subcarriers included are shown in Table 7 below. The subcarrier indices [-500:-3, 3:500] in Table 7 represent -500, -499, -498, …, -5, -4, -3, 3, 4, 5, …, 498, 499, 500.

[0185] Table 7

[0186]

[0187] The pilot subcarrier indices for achieving pilot power improvement of the dRU under 80 MHz bandwidth are shown in Table 8 below. The symbol " / " in Table 8 indicates that any subcarrier can be used for the pilot. It can be understood that in the case indicated by " / ", there is no power improvement of the pilot subcarrier relative to the data subcarrier.

[0188] Table 8

[0189]

[0190]

[0191] In summary, for any 26-tone dRU in Table 2 above, or any 52-tone dRU in Table 3 above, each subcarrier exclusively occupies 1 MHz, that is: the interval between any subcarriers in 26-tone dRU and 52-tone dRU is greater than or equal to 13. Therefore, when adopting the dRU tone plan provided by the embodiments of the present application, each subcarrier in any 26-tone dRU or 52-tone dRU can transmit with the maximum power under the maximum power spectral density limit.

[0192] For any 106-tone dRU in Table 4 above, there are 8 subcarriers that exclusively occupy 1 MHz (that is, there is at most 1 subcarrier belonging to this 106-tone dRU within 1 MHz of the positions where these 8 subcarriers are located respectively), and for the remaining 98 subcarriers, there are at most 2 subcarriers belonging to this 106-tone dRU within 1 MHz. Therefore, when taking some of these 8 subcarriers as the pilot subcarriers of the 106-tone dRU (as shown in the third column and the fourth row of Table 8 above), since the number of pilot subcarriers within 1 MHz is half of the number of data subcarriers, the potential power of the pilot subcarriers is increased by two times compared with the data subcarriers, that is: the pilot subcarriers can obtain a 3 dB power gain.

[0193] In short, in the embodiments of the present application, the number of data subcarriers within any 1 MHz of any 106-tone dRU is less than or equal to 2, and the number of subcarriers within any 1 MHz where the pilot subcarriers are located is 1. Or rather, the number of subcarriers included within 1 MHz where the pilot subcarriers are located in any 106-tone dRU is less than or equal to the number of subcarriers included within 1 MHz where the data subcarriers are located. Or rather, the interval between the data subcarriers and the pilot subcarriers in any 106-tone dRU is greater than or equal to 13. Or rather, the number of dRU subcarriers within any 1 MHz where the data subcarriers of the 106-tone dRU are located is less than or equal to 2, and the number of dRU subcarriers within any 1 MHz where the pilot subcarriers of the 106-tone dRU are located is 1.

[0194] For any one of the 242-tone dRUs in Table 5 above, within 1 MHz of the positions where 8 subcarriers are located respectively, there are at most 3 subcarriers (that is, within 1 MHz of the positions where these 8 subcarriers are located respectively, at most 3 subcarriers belong to this 242-tone dRU), and within 1 MHz of the positions where the remaining 234 subcarriers are located, there are at most 4 subcarriers. When these 8 subcarriers are used as the pilot subcarriers of the 242-tone dRU (as shown in the third column and fifth row of Table 8 above), and other subcarriers are used as data subcarriers, the transmission power of the data subcarriers is PSD / 4, and the transmission power of the pilot subcarriers is PSD - 2×PSD / 4 = PSD / 2. Therefore, the potential power of the pilot subcarriers is twice that of the data subcarriers, that is: the pilot subcarriers can obtain a 3 dB power gain.

[0195] In short, in the embodiments of the present application, the number of data subcarriers within any 1 MHz of any 242-tone dRU is less than or equal to 4, and the number of subcarriers within any 1 MHz of the position where the pilot subcarriers are located is less than or equal to 3. Or rather, the number of subcarriers included within 1 MHz of the position where the pilot subcarriers are located in any 242-tone dRU is less than or equal to the number of subcarriers included within 1 MHz of the position where the data subcarriers are located. Or rather, the number of dRU subcarriers within any 1 MHz of the position where the data subcarriers of the 242-tone dRU are located is less than or equal to 4, and the number of dRU subcarriers within any 1 MHz of the position where the pilot subcarriers of the 242-tone dRU are located is less than or equal to 3.

[0196] For any one of the 484-tone dRUs in Table 6 above, within 1 MHz of the position where each subcarrier is located, there are at most 7 subcarriers, and there is no power improvement for the pilot subcarriers compared to the data subcarriers. For the 996-tone dRU in Table 7 above, within 1 MHz of the position where each subcarrier is located, there are at most 13 subcarriers.

[0197] The "1 MHz of the position where the subcarrier is located" described in the present application can be understood as "1 MHz including this subcarrier".

[0198] To better illustrate the performance advantages of the dRU carrier planning (tone plan) under 80 MHz bandwidth provided by the embodiments of the present application, the following uses simulation diagrams to illustrate the power gain of the pilot subcarriers in the 106-tone dRU and 242-tone dRU of the embodiments of the present application.

[0199] Exemplarily, assume that the maximum power spectral density is 10 dBm / MHz. Refer to Figure 8 , Figure 8It is a simulation schematic diagram of subcarrier power allocation in a 106-tone dRU provided by an embodiment of the present application. Among them, Figure 8 The abscissa represents the subcarrier index, Figure 8 The ordinate represents the maximum available power of the subcarrier (unit: mW). As Figure 8 shown, taking the 106-tone dRU 1 in Table 4 above as an example, the transmission power (or the maximum available power) of the data subcarriers in the 106-tone dRU 1 is 5 mW, and the transmission power (or the maximum available power) of the pilot subcarriers is 10 mW. Since the transmission power of the pilot subcarriers in the 106-tone dRU 1 is twice that of the data subcarriers, the pilot subcarriers in the 106-tone dRU 1 can obtain a 3 dB power gain compared to the data subcarriers.

[0200] Exemplarily, assume that the maximum power spectral density is 10 dBm / MHz. Refer to Figure 9 , Figure 9 It is a simulation schematic diagram of subcarrier power allocation in a 242-tone dRU provided by an embodiment of the present application. Among them, Figure 9 The abscissa represents the subcarrier index, Figure 9 The ordinate represents the maximum available power of the subcarrier (unit: mW). As Figure 9 shown, taking the 242-tone dRU 1 in Table 5 above as an example, the transmission power (or the maximum available power) of the data subcarriers in the 242-tone dRU 1 is 2.5 mW, and the transmission power (or the maximum available power) of the pilot subcarriers is 5 mW. Since the transmission power of the pilot subcarriers in the 242-tone dRU 1 is twice that of the data subcarriers, the pilot subcarriers in the 242-tone dRU 1 can obtain a 3 dB power gain compared to the data subcarriers.

[0201] In another possible implementation, 802.11be defines 36 26-tone RUs and no longer uses 1 26-tone RU near the DC subcarrier, which can reduce the impact of DC leakage on wireless transmission.

[0202] Example 2: The foregoing Figure 7The left and right parts are symmetric about the DC tone, and the subcarriers of the second subpart are located on one side of the first subpart, and the subcarriers of the fourth subpart are located on one side of the third subpart. Tones 1 to 17 of the fourth subpart in the right part respectively correspond to subcarrier indices 24 to 32 and 26 to 23, and tones 18 to 30 of the fourth subpart in the right part correspond to subcarrier indices 3 to 15, and the third subpart in the right part corresponds to the remaining 468 subcarriers between subcarrier indices 33 and 500 in sequence. Then, according to the relationship between subcarriers and dRUs shown in Table 1 above, the subcarriers included in 36 26-tone dRUs under an 80 MHz bandwidth are as shown in Table 9 below.

[0203] Table 9

[0204]

[0205]

[0206] In the carrier planning of dRUs, an 80 MHz bandwidth can include 16 52-tone dRUs. Each 52-tone dRU can be understood as being composed of the combination of 2 26-tone dRUs, and the specific subcarriers included are as shown in Table 10 below.

[0207] Table 10

[0208]

[0209]

[0210] In the carrier planning of dRUs, an 80 MHz bandwidth can include 8 106-tone dRUs. One 106-tone dRU can be understood as being composed of the combination of 2 52-tone dRUs (or 4 26-tone dRUs) and an additional 2 subcarriers, and the specific subcarriers included are as shown in Table 11 below.

[0211] Table 11

[0212]

[0213]

[0214] In a possible implementation, the 106-tone dRU with index 1 can also be understood as being composed of the 52-tone dRUs with indices 1 and 2 and the subcarriers with subcarrier indices {-24, 24} combined. The 106-tone dRU with index 2 can also be understood as being composed of the 52-tone dRUs with indices 3 and 4 and the subcarriers with subcarrier indices {-28, 28} combined. The 106-tone dRU with index 3 can also be understood as being composed of the 52-tone dRUs with indices 5 and 6 and the subcarriers with subcarrier indices {-26, 26} combined. The 106-tone dRU with index 4 can also be understood as being composed of the 52-tone dRUs with indices 7 and 8 and the subcarriers with subcarrier indices {-30, 30} combined. The 106-tone dRU with index 5 can also be understood as being composed of the 52-tone dRUs with indices 9 and 10 and the subcarriers with subcarrier indices {-25, 25} combined. The 106-tone dRU with index 6 can also be understood as being composed of the 52-tone dRUs with indices 11 and 12 and the subcarriers with subcarrier indices {-29, 29} combined. The 106-tone dRU with index 7 can also be understood as being composed of the 52-tone dRUs with indices 13 and 14 and the subcarriers with subcarrier indices {-27, 27} combined. The 106-tone dRU with index 8 can also be understood as being composed of the 52-tone dRUs with indices 15 and 16 and the subcarriers with subcarrier indices {-31, 31} combined.

[0215] In the carrier planning of the dRU, the 80 MHz bandwidth can include 4 242-tone dRUs. One 242-tone dRU can be understood as being composed of 2 106-tone dRUs, 1 26-tone dRU, and 4 additional subcarriers combined, or one 242-tone dRU can be understood as being composed of 9 26-tone dRUs and 8 additional subcarriers combined. The specific subcarriers included are shown in Table 12 below.

[0216] Table 12

[0217]

[0218]

[0219] In a possible implementation, the 242-tone dRU with index 1 can also be understood as being composed of the 106-tone dRUs with indices 1 and 2 (i.e., the 52-tone dRUs with indices 1 to 4, and the subcarriers with subcarrier indices {-28, -24, 24, 28}), the 26-tone dRU with index 5, and the subcarriers with subcarrier indices {-20, -16, 16, 20}. The 242-tone dRU with index 2 can also be understood as being composed of the 106-tone dRUs with indices 3 and 4 (i.e., the 52-tone dRUs with indices 5 to 8, and the subcarriers with subcarrier indices {-30, -26, 26, 30}), the 26-tone dRU with index 14, and the subcarriers with subcarrier indices {-22, -18, 18, 22}. The 242-tone dRU with index 3 can also be understood as being composed of the 106-tone dRUs with indices 5 and 6 (i.e., the 52-tone dRUs with indices 9 to 12, and the subcarriers with subcarrier indices {-29, -25, 25, 29}), the 26-tone dRU with index 24, and the subcarriers with subcarrier indices {-21, -17, 17, 21}. The 242-tone dRU with index 4 can also be understood as being composed of the 106-tone dRUs with indices 7 and 8 (i.e., the 52-tone dRUs with indices 13 to 16, and the subcarriers with subcarrier indices {-31, -27, 27, 31}), the 26-tone dRU with index 33, and the subcarriers with subcarrier indices {-23, -19, 19, 23}.

[0220] In the carrier planning of the dRU, the 80 MHz bandwidth can include 2 484-tone dRUs. One 484-tone dRU can be understood as being composed of 2 242-tone dRUs merged together, or rather, one 484-tone dRU can be understood as being composed of 18 26-tone dRUs and an additional 16 subcarriers merged together, and the specific subcarriers included are as shown in Table 13 below.

[0221] Table 13

[0222]

[0223]

[0224]

[0225] In one possible implementation, the 484-tone dRU with index 1 can also be understood as being composed of the merged 242-tone dRUs with indices 1 and 2, or the 106-tone dRUs with indices 1 to 4, the 26-tone dRUs with indices 5 and 14, and the subcarriers with subcarrier indices {-22, -20, -18, -16, 16, 18, 20, 22}, or the 52-tone dRUs with indices 1 to 8, the 26-tone dRUs with indices 5 and 14, and the subcarriers with subcarrier indices {-30, -28, -26, -24, -22, -20, -18, -16, 16, 18, 20, 22, 24, 26, 28, 30}. The 484-tone dRU with index 2 can also be understood as being composed of the merged 242-tone dRUs with indices 3 and 4, or the 106-tone dRUs with indices 5 to 8, the 26-tone dRUs with indices 24 and 33, and the subcarriers with subcarrier indices {-23, -21, -19, -17, 17, 19, 21, 23}, or the 52-tone dRUs with indices 9 to 16, the 26-tone dRUs with indices 24 and 33, and the subcarriers with subcarrier indices {-31, -29, -27, -25, -23, -21, -19, -17, 17, 19, 21, 23, 25, 27, 29, 31}.

[0226] In the carrier planning of the dRU, the 80 MHz bandwidth can include 1 996-tone dRU. 1 996-tone dRU can be understood as being composed of the merged 2 484-tone dRUs and an additional 28 subcarriers, or 1 996-tone dRU can be understood as being composed of 36 26-tone dRUs and an additional 60 subcarriers. The specific subcarriers included are shown in Table 14 below. The subcarrier indices [-500:-3, 3:500] in Table 14 represent -500, -499, -498, …, -5, -4, -3, 3, 4, 5, …, 498, 499, 500.

[0227] Table 14

[0228]

[0229] The pilot subcarrier indices for realizing the pilot power improvement of the dRU under the 80 MHz bandwidth are shown in Table 15 below. The symbol " / " in Table 15 indicates that any subcarrier can be used for the pilot. It can be understood that in the case indicated by " / ", there is no power improvement of the pilot subcarrier relative to the data subcarrier.

[0230] Table 15

[0231]

[0232]

[0233] For any one of the 26-tone dRUs in Table 9 above, or any one of the 52-tone dRUs in Table 10 above, each subcarrier exclusively occupies 1 MHz, that is: the interval between any subcarriers in the 26-tone dRU and the 52-tone dRU is greater than or equal to 13. Therefore, when adopting the dRU tone plan provided by the embodiments of the present application, each subcarrier in any one of the 26-tone dRUs or 52-tone dRUs can be transmitted with the maximum power under the maximum power spectral density limit.

[0234] For any one of the 106-tone dRUs in Table 11 above, there are 8 subcarriers that exclusively occupy 1 MHz (that is, there is at most 1 subcarrier belonging to this 106-tone dRU within the 1 MHz where these 8 subcarriers are located respectively), and there are at most 2 subcarriers belonging to this 106-tone dRU within 1 MHz for the remaining 98 subcarriers. Therefore, when taking some of these 8 subcarriers as the pilot subcarriers of the 106-tone dRU (as shown in the third column and the fourth row of Table 15 above), since the number of pilot subcarriers within 1 MHz is half of the number of data subcarriers, the potential power of the pilot subcarriers is increased to twice, that is: the pilot subcarriers can obtain a 3 dB power gain.

[0235] In short, the number of data subcarriers within any 1 MHz of any one of the 106-tone dRUs in the embodiments of the present application is less than or equal to 2, and the number of subcarriers within any 1 MHz where the pilot subcarriers are located is 1. Or rather, the number of subcarriers included within 1 MHz where the pilot subcarriers are located in any one of the 106-tone dRUs is less than or equal to the number of subcarriers included within 1 MHz where the data subcarriers are located. Or rather, the interval between the data subcarriers and the pilot subcarriers in any one of the 106-tone dRUs is greater than or equal to 13. Or rather, the number of dRU subcarriers within any 1 MHz where the data subcarriers of the 106-tone dRU are located is less than or equal to 2, and the number of dRU subcarriers within any 1 MHz where the pilot subcarriers of the 106-tone dRU are located is 1.

[0236] For any one of the 242-tone dRUs in Table 12 above, there are at most 3 subcarriers within 1 MHz of the positions where 8 subcarriers are located respectively (that is, at most 3 subcarriers within 1 MHz of the positions where these 8 subcarriers are located respectively belong to this 242-tone dRU), and there are at most 4 subcarriers within 1 MHz of the positions where the remaining 234 subcarriers are located. When these 8 subcarriers are used as the pilot subcarriers of the 242-tone dRU (as shown in the third column and fifth row of Table 15 above), and other subcarriers are used as data subcarriers, the power of the data subcarriers is PSD / 4, and the power of the pilot subcarriers is PSD - 2×PSD / 4 = PSD / 2. Therefore, the potential power of the pilot subcarriers is twice that of the data subcarriers, that is: the pilot subcarriers can obtain a 3 dB power gain.

[0237] In short, in the embodiments of the present application, the number of data subcarriers within any 1 MHz of any 242-tone dRU is less than or equal to 4, and the number of subcarriers within any 1 MHz of the position where the pilot subcarriers are located is less than or equal to 3. Or rather, the number of subcarriers contained within 1 MHz of the position where the pilot subcarriers are located in any 242-tone dRU is less than or equal to the number of subcarriers contained within 1 MHz of the position where the data subcarriers are located. Or rather, the number of dRU subcarriers within any 1 MHz of the position where the data subcarriers of the 242-tone dRU are located is less than or equal to 4, and the number of dRU subcarriers within any 1 MHz of the position where the pilot subcarriers of the 242-tone dRU are located is less than or equal to 3.

[0238] For any one of the 484-tone dRUs in Table 13 above, there are at most 7 subcarriers within 1 MHz of the position where each subcarrier is located, and there is no power improvement for the pilot subcarriers compared to the data subcarriers. For the 996-tone dRU in Table 14 above, there are at most 13 subcarriers within 1 MHz of the position where each subcarrier is located.

[0239] To better illustrate the performance advantages of the dRU carrier planning (tone plan) under 80 MHz bandwidth provided by the embodiments of the present application, the following uses simulation diagrams to illustrate the power gain of the pilot subcarriers in the 106-tone dRU and 242-tone dRU of the embodiments of the present application.

[0240] Exemplarily, assume that the maximum power spectral density is 10 dBm / MHz. Refer to Figure 10 , Figure 10 is a simulation schematic diagram of the subcarrier power allocation in another 106-tone dRU provided by the embodiments of the present application. Among them, Figure 10 the abscissa represents the subcarrier index, Figure 10The ordinate represents the maximum available power of the subcarriers (unit: mW). As Figure 10 shown, taking the 106-tone dRU 1 in Table 11 above as an example, the transmission power (or the maximum available power) of the data subcarriers in the 106-tone dRU 1 is 5 mW, and the transmission power (or the maximum available power) of the pilot subcarriers is 10 mW. Since the transmission power of the pilot subcarriers in the 106-tone dRU 1 is twice that of the data subcarriers, the pilot subcarriers in the 106-tone dRU 1 can obtain a power gain of 3 dB compared to the data subcarriers.

[0241] Exemplarily, assume that the maximum power spectral density is 10 dBm / MHz. Refer to Figure 11 , Figure 11 which is another simulation schematic diagram of subcarrier power allocation in the 242-tone dRU provided by the embodiments of the present application. Among them, Figure 11 the abscissa represents the subcarrier index, Figure 11 and the ordinate represents the maximum available power of the subcarriers (unit: mW). As Figure 11 shown, taking the 242-tone dRU 1 in Table 12 above as an example, the transmission power (or the maximum available power) of the data subcarriers in the 242-tone dRU 1 is 2.5 mW, and the transmission power (or the maximum available power) of the pilot subcarriers is 5 mW. Since the transmission power of the pilot subcarriers in the 242-tone dRU 1 is twice that of the data subcarriers, the pilot subcarriers in the 242-tone dRU 1 can obtain a power gain of 3 dB compared to the data subcarriers.

[0242] Those skilled in the art can understand that the standard can adopt any one of the above dRU tone plans in the 80 MHz bandwidth or other reasonable replacements of combinations. It can be understood that any dRU tone plan that satisfies the description of the embodiments of the present application "the number of data subcarriers of the 106-tone dRU within 1 MHz is less than or equal to 2, and the number of subcarriers of the 106-tone dRU within 1 MHz where the pilot subcarriers are located is 1; and / or, the number of data subcarriers of the 242-tone dRU within 1 MHz is less than or equal to 4, and the number of subcarriers of the 242-tone dRU within 1 MHz where the pilot subcarriers are located is less than or equal to 3" is within the protection scope of the present application, not limited to the dRU tone plans provided in the above Example 1 and Example 2.

[0243] Based on the 80MHz dRUtone plan adopted by the above standard, the access point can schedule any one dRU in the 80MHz dRUtone plan adopted by the standard, or can schedule multiple non-conflicting dRUs, and each dRU is assigned to one or more different stations. The above non-conflicting means that there are no identical subcarriers, or no overlap. For example, assign the 106-tone dRU with index 1 to one or more stations, and assign the 52-tone dRU with index 3 to one or more other stations, and assign the 26-tone dRU with index 8 to one or more other stations, and assign the 26-tone dRU with index 9 to one or more other stations. Of course, the access point can also use any one dRU in the 80MHz dRU tone plan adopted by the standard, or multiple non-conflicting dRUs.

[0244] The above content details the carrier plan (toneplan) of the dRU under 80MHz bandwidth provided by the embodiments of the present application, and this carrier plan of the dRU can be applied to uplink and / or downlink transmissions. Next, in combination with the carrier plan of the dRU under 80MHz bandwidth, the process of the communication method provided by the present application will be described.

[0245] The communication device in the present application can support 802.11 series protocols, such as 802.11bn standard, or the next-generation standard of 802.11bn, etc. Of course, the communication device in the present application can also support various WLAN standards of the 802.11 family, such as 802.11be, 802.11bf, 802.11ax, 802.11ac, 802.11n, 802.11g, 802.11b, 802.11ad, 802.11ay, and 802.11a. The communication device in the present application can also support other standard protocols, such as sensing or ranging standards, etc., which are not listed one by one here.

[0246] In a possible implementation, the first communication device in the present application can be the AP or STA mentioned above Figure 1 , and the corresponding second communication device can be the STA or AP mentioned above Figure 1 . Of course, the first communication device in the present application can also be an AP MLD or a non-AP MLD. Correspondingly, the second communication device in the present application can be a non-AP MLD or an AP MLD, and the present application does not make any restrictions.

[0247] See Figure 12 , Figure 12 which is a schematic flowchart of a communication method provided by an embodiment of the present application. As shown in Figure 12As shown, the communication method includes but is not limited to the following steps:

[0248] S101. The first communication device generates a PPDU according to the carrier plan of the dRU. The carrier plan of the dRU includes: the number of data subcarriers of the 106-tone dRU within any 1 MHz is less than or equal to 2, and the number of subcarriers of the 106-tone dRU within any 1 MHz at the position where the pilot subcarrier is located is 1; and / or, the number of data subcarriers of the 242-tone dRU within any 1 MHz is less than or equal to 4, and the number of subcarriers of the 242-tone dRU within any 1 MHz at the position where the pilot subcarrier is located is less than or equal to 3.

[0249] S102. The first communication device sends the PPDU.

[0250] S103. The second communication device receives the PPDU according to the above carrier plan of the dRU.

[0251] S104. The second communication device processes the PPDU.

[0252] In a possible implementation, the first communication device may be an AP or an AP MLD, and the second communication device may be an STA or a non-AP MLD. The first communication device may generate a PPDU according to the carrier plan (dRU toneplan) of the dRU under the foregoing 80 MHz bandwidth and send the PPDU. It can be understood that the first communication device (AP or AP MLD) may carry the information (such as size and / or location) of the dRU it uses in the signal (SIG) field of the PPDU, and the dRU may be one or more of the carrier plans (dRU tone plans) of the dRU under the foregoing 80 MHz bandwidth. For example, the dRU may be one or more of the dRUs in Table 2 to Table 7 above, or one or more of the dRUs in Table 9 to Table 14 above. Therefore, after receiving (or parsing) the SIG field of the PPDU, the second communication device (STA or non-AP MLD) may receive other parts (such as data) of the PPDU on the dRU.

[0253] In another possible implementation, the first communication device may be a STA or a non-AP MLD, and the second communication device may be an AP or an AP MLD. The second communication device sends a trigger frame, and the trigger frame includes dRU indication information for indicating the dRU allocated to the first communication device. The dRU allocated to the first communication device is one or more of the dRU carrier plans (dRU tone plan) in the foregoing 80 MHz bandwidth. Exemplarily, the dRU allocated to the first communication device may be one or more dRUs in Table 2 to Table 7 above, or one or more dRUs in Table 9 to Table 14 above. After receiving the trigger frame, the first communication device may determine the dRU allocated to itself according to the dRU indication information in the trigger frame, and may generate and send a PPDU according to the dRU and the foregoing dRU carrier plan. The second communication device may receive the PPDU from the first communication device and process the PPDU according to the dRU allocated to the first communication device and the foregoing dRU carrier plan.

[0254] In a possible implementation, the first communication device sending a PPDU includes: the first communication device sending the data information of the PPDU on the data subcarriers of the dRU, and may send the pilot information of the PPDU on the pilot subcarriers of the dRU. The specific subcarriers included in the dRU may be determined by the dRU carrier plan (tone plan) in the foregoing 80 MHz bandwidth. For the dRU carrier plan in the 80 MHz bandwidth, reference may be made to the foregoing description and will not be elaborated here.

[0255] Exemplarily, taking the dRU transmission encoded based on a binary convolutional code (BCC) as an example, the process of the first communication device sending a PPDU may be as Figure 13 shown. Figure 13 It is a block diagram of dRU transmission based on BCC encoding provided by an embodiment of the present application. As Figure 13As shown, after the first communication device performs BCC interleaving (BCC interleaver) on the signal, constellation mapping can be performed. During the constellation mapping process, the frequency-domain sequence of the signal can be mapped to multiple subcarriers of the dRU, and then through subsequent processing (for example: performing cyclic shift diversity (CSD), spatial and frequency mapping, inverse discrete Fourier transform (IDFT), inserting guard interval (GI) and window, etc. for each stream), and finally sent out through analog and RF operations.

[0256] Exemplarily, taking the dRU uplink transmission based on low-density parity check coding as an example, the process of the first communication device sending a PPDU can be as Figure 14 shown. Figure 14 It is a block diagram of dRU transmission based on LDPC coding provided by an embodiment of the present application. As Figure 14 shown, after the first communication device performs a stream parsing (StreamParser) operation on the signal, constellation mapping is performed for each stream. During the constellation mapping process, the frequency-domain sequence of the signal can be mapped to multiple subcarriers of the dRU, and then through subsequent processing (for example: performing LDPC subcarrier mapping, cyclic shift diversity (CSD), spatial and frequency mapping, inverse discrete Fourier transform (IDFT), inserting guard interval (GI) and window, etc. for each stream after constellation mapping), and finally sent out through analog and RF operations.

[0257] Among them, the above Figure 13 and Figure 14 shown block diagrams can be understood as the process of generating and sending a PPDU. It can be understood that for the process of generating and sending a PPDU, reference can also be made to the prior art (such as the existing 802.11be standard), and only a simple description is given here.

[0258] In a possible implementation, the above-mentioned frame for triggering can adopt various possible frame formats. It can be a type of control frame in the MAC frame specified by the standard, called a trigger frame; it can also be other MAC frames with a triggering function, which is not limited in the embodiments of the present application. Other MAC frames with a triggering function can also be called MAC frames with a TRS (triggered response scheduling) function, and this function is generally implemented by including a TRS Control subfield in the MAC frame. Exemplarily, the above-mentioned dRU indication information can be carried in the RU / dRU allocation field of the user info field in the trigger frame, or in the RU / dRU allocation field of the TRS Control subfield in other MAC frames. Another example is that a new field (such as the dRU allocation field) can be added to the user info field of the trigger frame to carry the above-mentioned dRU indication information; similarly, a new field (such as the dRU allocation field) can be added to the TRS Control subfield of other MAC frames to carry the above-mentioned dRU indication information. At this time, the user info field may contain both the RU allocation field and the dRU allocation field, so more information may be needed to indicate whether the RU allocation field or the dRU allocation field in this user info field is enabled.

[0259] It can be understood that the embodiments of the present application do not limit the structure of the above-mentioned frame for triggering, nor the carrying manner of the above-mentioned dRU indication information in the above-mentioned frame for triggering and the corresponding frame format.

[0260] In a possible implementation, the above dRU indication information may be used to indicate the dRU allocated to the first communication device (such as an STA). The dRU can be determined by its size and position. The size of the dRU may refer to the number of subcarriers in the dRU, and the position of the dRU may refer to the position of the subcarriers in the dRU in the frequency domain. Generally, the subcarrier index range can be used to represent the position of the subcarriers in the dRU in the frequency domain. In the embodiments of the present application, the size and position of the dRU conform to the size and position defined in the dRU tone plan under the aforementioned 80 MHz bandwidth. Exemplarily, the dRU indicated by the above dRU indication information may be one or more dRUs in Table 2 to Table 7 above, or may be one or more dRUs in Table 9 to Table 14 above.

[0261] In a possible implementation, there may be one or more first communication devices (or the station STA) in the embodiments of the present application, and the second communication device (such as an AP) may allocate corresponding dRUs to each of the one or more first communication devices (such as an STA). For example, the second communication device (such as an AP) may determine the dRUs allocated to one or more first communication devices (such as an STA) according to the carrier plan (dRU tone plan) of the dRU under the aforementioned 80 MHz bandwidth. The specific determination method may be the internal policy of the second communication device (such as an AP), which is not limited in the embodiments of the present application. The second communication device (such as an AP) sends a trigger frame for triggering uplink multi-user transmission. The trigger frame includes one or more dRU indication information. One dRU indication information is used to indicate the dRU allocated to a first communication device (such as an STA). The dRUs allocated to different first communication devices (such as an STA) may be different and non-conflicting. Correspondingly, the second communication device (such as an AP) schedules each first communication device (such as an STA) for uplink multi-user transmission to receive the trigger frame. For the convenience of description in the present application, a first communication device (such as an STA) is taken as an example for illustration. The first communication device (such as an STA) determines the dRU allocated to itself based on the dRU indication information in the trigger frame, and may use the dRU allocated to itself to send a PPDU (such as sending a TB PPDU). Among them, the transmission bandwidth of the first communication device (such as an STA) using the dRU for transmission is 80 MHz. Here, the transmission bandwidth can also be understood as the channel bandwidth or working bandwidth of the uplink transmission of this first communication device (such as an STA).

[0262] It can be understood that since the second communication device (such as an AP) can simultaneously schedule multiple first communication devices (such as STAs) for uplink transmission, the second communication device (such as an AP) can determine which subcarrier data belongs to the same first communication device (such as an STA) according to the dRU allocated to each first communication device (such as an STA) and the carrier plan of the dRU under 80 MHz bandwidth, so that the second communication device (such as an AP) can distinguish uplink data from different first communication devices (such as STAs).

[0263] The first communication device in the embodiment of the present application uses the dRU defined in the aforementioned dRU tone plan under 80 MHz bandwidth for transmission. Compared with the transmission method using continuous RUs, the transmission power can be increased under the condition of meeting the power spectral density requirements. And when the data subcarriers reach the dRU power increase limit, the available power of the pilot subcarriers in multiple dRUs (for example: 106-tone dRU and 242-tone dRU) within 80 MHz bandwidth can be increased. Thus, compared with the data subcarriers, the pilot subcarriers can obtain a 3 dB gain improvement. In addition, since the pilot subcarriers of the dRU in the embodiment of the present application are scattered across the entire bandwidth, the influence of deep channel fading on pilot transmission can be reduced, such as reducing the possibility that deep channel fading destroys all pilot transmissions.

[0264] The above content elaborates in detail the method provided by the present application. To facilitate the implementation of the above solutions of the embodiments of the present application, the embodiments of the present application also provide corresponding devices or equipment.

[0265] The present application divides the communication device into functional modules according to the above method embodiments. For example, each functional module can be corresponding to each function, or two or more functions can be integrated into one processing module. The above integrated modules can be implemented in the form of hardware or in the form of software functional modules. It should be noted that the division of modules in the present application is illustrative, only a logical function division, and there can be other division methods in actual implementation. The following will be combined with Figures 15 to 17 Describe the communication device of the embodiment of the present application in detail.

[0266] See Figure 15 , Figure 15 is a schematic structural diagram of the communication device provided by the embodiment of the present application. As Figure 15 shown, the communication device includes: a transceiver unit 10 and a processing unit 20. The transceiver unit 10 can implement corresponding communication functions, and the processing unit 20 is used for data processing. For example, the transceiver unit 10 can also be called a communication interface or a communication unit, etc.

[0267] In some embodiments of the present application, the communication device can be the first communication device shown above. That isFigure 15 The communication device shown can be used to perform the steps or functions, etc., performed by the first communication device in the above method embodiments. Exemplarily, the communication device can be the first communication device or a chip or functional module configured in the first communication device, etc., and the embodiments of the present application do not limit this. The transceiver unit 10 is used to perform the operations related to the transceiver of the first communication device in the above method embodiments, and the processing unit 20 is used to perform the operations related to the processing of the first communication device in the above method embodiments.

[0268] Among them, the processing unit 20 is used to generate a PPDU according to the carrier planning of the dRU; the transceiver unit 10 is used to send the PPDU.

[0269] It can be understood that the transceiver unit 10 can send the PPDU to other communication devices, or the transceiver unit 10 outputs the PPDU from the processing unit 20 to other components or other functional modules in the communication device, etc. The relevant description of the transceiver unit outputting other information is similar, and will not be elaborated below.

[0270] In the embodiments of the present application, the descriptions of the carrier planning of the dRU and the PPDU, etc., can refer to the introductions in the above method embodiments, and will not be elaborated one by one here.

[0271] It can be understood that the specific descriptions of the transceiver unit and the processing unit shown in the embodiments of the present application are only examples. For the specific functions or steps performed by the transceiver unit and the processing unit, etc., reference can be made to the above method embodiments, and will not be elaborated here. In addition, for the technical effects of the embodiments of the present application, refer to the technical effects in the foregoing method embodiments. For the sake of brevity, they will not be repeated here.

[0272] Multiplexing Figure 15 , in some other embodiments of the present application, the communication device can be the second communication device shown above. That is Figure 15 The communication device shown can be used to perform the steps or functions, etc., performed by the second communication device in the above method embodiments. Exemplarily, the communication device can be the second communication device or a chip or functional module configured in the second communication device, etc., and the embodiments of the present application do not limit this. The transceiver unit 10 is used to perform the operations related to the transceiver of the second communication device in the above method embodiments, and the processing unit 20 is used to perform the operations related to the processing of the second communication device in the above method embodiments.

[0273] Among them, the transceiver unit 10 is used to receive the PPDU according to the above carrier planning of the dRU; the processing unit 20 is used to process the PPDU.

[0274] It is understandable that the transceiver unit 10 can receive a PPDU from other communication devices, or the transceiver unit 10 can input the PPDU from other components or other functional modules in the communication device, etc. The relevant description of the transceiver unit inputting other information is similar, and will not be elaborated further below.

[0275] In the embodiments of the present application, the description of the carrier planning of the dRU and the PPDU, etc. can refer to the introduction in the above method embodiments, and will not be elaborated one by one here.

[0276] It is understandable that the specific descriptions of the transceiver unit and the processing unit shown in the embodiments of the present application are only examples. For the specific functions or steps executed by the transceiver unit and the processing unit, etc., reference can be made to the above method embodiments, and will not be elaborated here. In addition, for the technical effects of the embodiments of the present application, refer to the technical effects in the foregoing method embodiments. For the sake of brevity, they will not be repeated here.

[0277] The communication device of the embodiments of the present application has been introduced above. The possible product forms of the communication device will be introduced below. It should be understood that any product form with the functions of the above-mentioned Figure 15 communication device falls within the protection scope of the embodiments of the present application. It should also be understood that the following introduction is only for example, and does not limit the product forms of the communication device of the embodiments of the present application to this.

[0278] In a possible implementation manner, Figure 15 In the shown communication device, the processing unit 20 can be one or more processors, the transceiver unit 10 can be a transceiver, or the transceiver unit 10 can also be a sending unit and a receiving unit. The sending unit can be a transmitter, and the receiving unit can be a receiver. The sending unit and the receiving unit are integrated in a device, such as a transceiver. In the embodiments of the present application, the processor and the transceiver can be coupled, etc. The connection manner between the processor and the transceiver is not limited in the embodiments of the present application. In the process of executing the above method, the process of sending information (such as sending a PPDU) in the above method can be understood as the process of the processor outputting the above information. When outputting the above information, the processor outputs the above information to the transceiver for transmission by the transceiver. After the above information is output by the processor, other processing may be required before it reaches the transceiver. Similarly, the process of receiving information (such as receiving a PPDU) in the above method can be understood as the process of the processor receiving the input above information. When the processor receives the input information, the transceiver receives the above information and inputs it to the processor. Further, after the transceiver receives the above information, other processing may be required before it is input to the processor.

[0279] See Figure 16 , Figure 16It is another schematic structural diagram of the communication device provided by an embodiment of the present application. The communication device may be a first communication device or a second communication device, or a chip therein. Figure 16 Only the main components of the communication device are shown. In addition to the processor 1001, the communication device may further include a transceiver 1002, a memory 1003, and an input / output device (not shown in the figure).

[0280] The processor 1001 is mainly used to process communication protocols and communication data, control the entire communication device, execute software programs, and process the data of software programs. The memory 1003 is mainly used to store software programs and data. The transceiver 1002 may include a control circuit and an antenna. The control circuit is mainly used for the conversion between baseband signals and radio frequency signals and the processing of radio frequency signals. The antenna is mainly used to transmit and receive radio frequency signals in the form of electromagnetic waves. The input / output device, such as a touch screen, a display screen, a keyboard, etc., is mainly used to receive data input by the user and output data to the user.

[0281] After the communication device is powered on, the processor 1001 can read the software program in the memory 1003, interpret and execute the instructions of the software program, and process the data of the software program. When data needs to be wirelessly transmitted, after the processor 1001 performs baseband processing on the data to be transmitted, it outputs a baseband signal to the radio frequency circuit. The radio frequency circuit performs radio frequency processing on the baseband signal and then transmits the radio frequency signal outward in the form of electromagnetic waves through the antenna. When data is sent to the communication device, the radio frequency circuit receives the radio frequency signal through the antenna, converts the radio frequency signal into a baseband signal, and outputs the baseband signal to the processor 1001. The processor 1001 converts the baseband signal into data and processes the data.

[0282] In another implementation, the radio frequency circuit and the antenna may be provided independently of the processor performing baseband processing. For example, in a distributed scenario, the radio frequency circuit and the antenna may be independent of the communication device and arranged in a remote manner.

[0283] Among them, the processor 1001, the transceiver 1002, and the memory 1003 may be connected through a communication bus.

[0284] Exemplarily, when the communication device is used to execute the steps, methods, or functions performed by the first communication device in the above Figure 12 shown method embodiment, the processor 1001 may be used to execute Figure 12 step S101 in, and / or used to execute other processes of the technology described herein; the transceiver 1002 may be used to execute Figure 12 step S102 in, and / or used for other processes of the technology described herein.

[0285] Exemplarily, when the communication device is used to perform the above Figure 12 When the second communication device executes the steps, methods or functions in the method embodiment shown, the processor 1001 can be used to execute Figure 12 Step S104 in, and / or other processes for performing the techniques described herein; the transceiver 1002 may be used to perform Figure 12 Step S103 in, and / or other processes for the technology described herein.

[0286] In any of the above designs, the processor 1001 may include a transceiver for implementing the receiving and sending functions. For example, the transceiver may be a transceiver circuit, or an interface, or an interface circuit. The transceiver circuit, interface, or interface circuit for implementing the receiving and sending functions may be separate or integrated. The above transceiver circuit, interface, or interface circuit may be used for reading and writing code / data, or the above transceiver circuit, interface, or interface circuit may be used for transmitting or delivering signals.

[0287] In any of the above designs, the processor 1001 may store instructions, which may be computer programs. The computer programs run on the processor 1001, and may enable the communication device to perform the method described in the above method embodiment. The computer program may be fixed in the processor 1001, in which case the processor 1001 may be implemented by hardware.

[0288] In one implementation, the communication device may include circuitry that can implement the functions of transmitting, receiving, or communicating in the foregoing method embodiments. The processor and transceiver described in this application can be implemented on an integrated circuit (IC), analog IC, radio frequency integrated circuit (RFIC), mixed-signal IC, application specific integrated circuit (ASIC), printed circuit board (PCB), electronic device, etc. The processor and transceiver can also be fabricated using various IC process technologies, such as complementary metal oxide semiconductor (CMOS), N-type metal oxide semiconductor (NMOS), P-channel metal oxide semiconductor (PMOS), bipolar junction transistor (BJT), BiCMOS, silicon germanium (SiGe), gallium arsenide (GaAs), etc.

[0289] It can be understood that the communication device shown in the embodiments of this application may also have more components, etc., which are not limited in the embodiments of this application. The methods executed by the processor and transceiver shown above are only examples, and for the specific steps executed by the processor and transceiver, reference can be made to the description of the method embodiments above. Figure 16 In another possible implementation,

[0290] In the communication device shown, the processing unit 20 may be one or more logic circuits, and the transceiver unit 10 may be an input / output interface, or also referred to as a communication interface, or interface circuit, or interface, etc. Or the transceiver unit 10 may also be a transmitting unit and a receiving unit. The transmitting unit may be an output interface, and the receiving unit may be an input interface. The transmitting unit and the receiving unit are integrated into one unit, such as an input / output interface. Refer to Figure 15 FIG. Figure 17 , Figure 17 is another structural schematic diagram of the communication device provided by the embodiments of this application. As Figure 17 shown, Figure 17The communication device shown includes a logic circuit 901 and an interface 902. That is, the aforementioned processing unit 20 can be implemented by the logic circuit 901, and the transceiver unit 10 can be implemented by the interface 902. Among them, the logic circuit 901 can be a chip, a processing circuit, an integrated circuit, or a system on chip (SoC) chip, etc., and the interface 902 can be a communication interface, an input / output interface, a pin, etc. Exemplarily, Figure 17 Taking the above communication device as a chip as an example, this chip includes a logic circuit 901 and an interface 902.

[0291] In the embodiments of the present application, the logic circuit and the interface can also be coupled to each other. For the specific connection manner between the logic circuit and the interface, the embodiments of the present application do not make any limitations.

[0292] Exemplarily, when the communication device is used to execute the method, function, or step performed by the first communication device in the foregoing method embodiments, the logic circuit 901 is used to generate a PPDU according to the carrier plan of the dRU; the interface 902 is used to output the PPDU.

[0293] Exemplarily, when the communication device is used to execute the method, function, or step performed by the second communication device in the foregoing method embodiments, the interface 902 is used to input a PPDU according to the carrier plan of the dRU; the logic circuit 901 is used to process the PPDU.

[0294] In the embodiments of the present application, for the specific descriptions of the carrier plan of the dRU, the PPDU, etc., reference can be made to the method embodiments described above Figure 12 and will not be elaborated one by one here.

[0295] It can be understood that the communication device shown in the embodiments of the present application can implement the method provided in the embodiments of the present application in the form of hardware, or can also implement the method provided in the embodiments of the present application in the form of software, etc., and the embodiments of the present application do not make any limitations in this regard.

[0296] For Figure 17 the specific implementation manners of the embodiments shown, reference can also be made to the above-mentioned various embodiments, and will not be elaborated here.

[0297] The embodiments of the present application further provide a wireless communication system, which includes a first communication device and a second communication device, and the first communication device and the second communication device can be used to execute the methods in the foregoing method embodiments.

[0298] In addition, the present application also provides a computer program, which is used to implement the operations and / or processes performed by the first communication device in the method provided by the present application.

[0299] The present application also provides a computer program for implementing the operations and / or processes performed by the second communication device in the method provided by the present application.

[0300] The present application also provides a computer-readable storage medium storing computer code that, when run on a computer, causes the computer to perform the operations and / or processes performed by the first communication device in the method provided by the present application.

[0301] The present application also provides a computer-readable storage medium storing computer code that, when run on a computer, causes the computer to perform the operations and / or processes performed by the second communication device in the method provided by the present application.

[0302] The present application also provides a computer program product comprising computer code or a computer program that, when run on a computer, causes the operations and / or processes performed by the first communication device in the method provided by the present application to be executed.

[0303] The present application also provides a computer program product comprising computer code or a computer program that, when run on a computer, causes the operations and / or processes performed by the second communication device in the method provided by the present application to be executed.

[0304] In several embodiments provided by the present application, it should be understood that the disclosed systems, devices, and methods can be implemented in other ways. For example, the device embodiments described above are merely illustrative. For example, the division of the units is only a logical function division, and there may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Additionally, the displayed or discussed couplings or direct couplings or communication connections to each other can be indirect couplings or communication connections through some interfaces, devices, or units, and can also be electrical, mechanical, or other forms of connection.

[0305] The units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, they can be located in one place or distributed to multiple network units. Some or all of the units can be selected according to actual needs to achieve the technical effects of the solution provided by the embodiments of the present application.

[0306] In addition, in each embodiment of the present application, each functional unit can be integrated into one processing unit, or each unit can exist physically alone, or two or more units can be integrated into one unit. The above-mentioned integrated unit can be implemented in the form of hardware or in the form of a software functional unit.

[0307] If the above-mentioned integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on such an understanding, the technical solution of the present application, in essence, or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product. The computer software product is stored in a readable storage medium and includes several instructions for causing a computer device (which can be a personal computer, a server, or a network device, etc.) to execute all or part of the steps of the methods described in each embodiment of the present application. The aforementioned readable storage medium includes: various media such as USB flash drives, mobile hard disks, read-only memories (ROM), random access memories (RAM), magnetic disks, or optical discs that can store program codes.

[0308] The above is only the specific implementation manner of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art can easily think of changes or substitutions within the technical scope disclosed by the present application, and all of them should be covered by the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A communication method, characterized in that, including: transmitting a Physical Layer Protocol Data Unit (PPDU) according to the carrier plan of a Distributed Resource Unit (dRU), where the carrier plan of the dRU includes: the number of data subcarriers of a 106-tone dRU within 1 MHz is less than or equal to 2, and the number of subcarriers of the 106-tone dRU within 1 MHz at the position of the pilot subcarrier is 1; and / or, the number of data subcarriers of a 242-tone dRU within 1 MHz is less than or equal to 4, and the number of subcarriers of the 242-tone dRU within 1 MHz at the position of the pilot subcarrier is less than or equal to 3.

2. The method according to claim 1, wherein The carrier plan of the dRU further includes 37 26-tone dRUs; each 26-tone dRU includes 26 subcarriers, where 24 are data subcarriers and 2 are pilot subcarriers.

3. The method according to claim 2, wherein The carrier plan of the dRU further includes one or more 26-tone dRUs in Table 2.

4. The method according to claim 1, wherein The carrier plan of the dRU further includes 36 26-tone dRUs; each 26-tone dRU includes 26 subcarriers, where 24 are data subcarriers and 2 are pilot subcarriers.

5. The method according to claim 4, characterized in that The carrier plan of the dRU further includes one or more 26-tone dRUs in Table 9.

6. The method according to any one of claims 2 to 5, characterized in that The carrier plan of the dRU further includes 16 52-tone dRUs; each 52-tone dRU includes 52 subcarriers, where 48 are data subcarriers and 4 are pilot subcarriers.

7. The method according to claim 6, wherein The carrier plan of the dRU further includes one or more of the following: The 52-tone dRU with index 1 includes 26-tone dRUs with indices 1 and 2; The 52-tone dRU with index 2 includes 26-tone dRUs with indices 3 and 4; The 52-tone dRU with index 3 includes 26-tone dRUs with indices 6 and 7; The 52-tone dRU with index 4 includes 26-tone dRUs with indices 8 and 9; The 52-tone dRU with index 5 includes 26-tone dRUs with indices 10 and 11; The 52-tone dRU with index 6 includes 26-tone dRUs with indices 12 and 13; The 52-tone dRU with index 7 includes 26-tone dRUs with indices 15 and 16; The 52-tone dRU with index 8 includes 26-tone dRUs with indices 17 and 18; The 52-tone dRU with index 9 includes 26-tone dRUs with indices 20 and 21; The 52-tone dRU with index 10 includes 26-tone dRUs with indices 22 and 23; The 52-tone dRU with index 11 includes 26-tone dRUs with indices 25 and 26; The 52-tone dRU with index 12 includes 26-tone dRUs with indices 27 and 28; The 52-tone dRU with index 13 includes 26-tone dRUs with indices 29 and 30. The 52-tone dRU with index 14 includes 26-tone dRUs with indices 31 and 32; The 52-tone dRU with index 15 includes 26-tone dRUs with indices 34 and 35; The 52-tone dRU with index 16 includes 26-tone dRUs with indices 36 and 37.

8. The method according to any one of claims 2 to 5, characterized in that, The carrier plan of the dRU also includes 8 106-tone dRUs; each 106-tone dRU includes 106 subcarriers, among which there are 102 data subcarriers and 4 pilot subcarriers.

9. The method according to claim 8, characterized in that, The carrier plan of the dRU also includes one or more of the following: The 106-tone dRU with index 1 includes 26-tone dRUs with indices 1, 2, 3, 4, and subcarriers with subcarrier indices {-11, 11}; among them, the pilot subcarrier indices are {-468, -108, 108, 46}; The 106-tone dRU with index 2 includes 26-tone dRUs with indices 6, 7, 8, 9, and subcarriers with subcarrier indices {-15, 15}; among them, the pilot subcarrier indices are {-407, -167, 167, 407}; The 106-tone dRU with index 3 includes 26-tone dRUs with indices 10, 11, 12, 13, and subcarriers with subcarrier indices {-13, 13}; among them, the pilot subcarrier indices are {-470, -110, 110, 470}; The 106-tone dRU with index 4 includes 26-tone dRUs with indices 15, 16, 17, 18, and subcarriers with subcarrier indices {-17, 17}; among them, the pilot subcarrier indices are {-409, -169, 169, 409}; The 106-tone dRU with index 5 includes 26-tone dRUs with indices 20, 21, 22, 23, and subcarriers with subcarrier indices {-12, 12}; among them, the pilot subcarrier indices are {-469, -109, 109, 469}; The 106-tone dRU with index 6 includes 26-tone dRUs with indices 25, 26, 27, 28, and subcarriers with subcarrier indices {-16, 16}; among them, the pilot subcarrier indices are {-408, -168, 168, 408}; The 106-tone dRU with index 7 includes 26-tone dRUs with indices 29, 30, 31, 32, and subcarriers with subcarrier indices {-14, 14}; among them, the pilot subcarrier indices are {-471, -111, 111, 471}; The 106-tone dRU with index 8 includes 26-tone dRUs with indices 34, 35, 36, 37, and subcarriers with subcarrier indices {-18, 18}; among them, the pilot subcarrier indices are {-410, -170, 170, 410}.

10. The method according to claim 8, wherein The carrier planning of the dRU further includes one or more of the following: The 106-tone dRU with index 1 includes 26-tone dRUs with indices 1, 2, 3, 4, and subcarriers with subcarrier indices {-24, 24}; among them, the pilot subcarrier indices are {-469, -118, 118, 469}; The 106-tone dRU with index 2 includes 26-tone dRUs with indices 6, 7, 8, 9, and subcarriers with subcarrier indices {-28, 28}; among them, the pilot subcarrier indices are {-410, -176, 176, 410}; The 106-tone dRU with index 3 includes 26-tone dRUs with indices 10, 11, 12, 13, and subcarriers with subcarrier indices {-26, 26}; among them, the pilot subcarrier indices are {-471, -120, 120, 471}; The 106-tone dRU with index 4 includes 26-tone dRUs with indices 15, 16, 17, 18, and subcarriers with subcarrier indices {-30, 30}; among them, the pilot subcarrier indices are {-412, -178, 178, 412}; The 106-tone dRU with index 5 includes 26-tone dRUs with indices 20, 21, 22, 23, and subcarriers with subcarrier indices {-25, 25}; among them, the pilot subcarrier indices are {-470, -119, 119, 470}; The 106-tone dRU with index 6 includes 26-tone dRUs with indices 25, 26, 27, 28, and subcarriers with subcarrier indices {-29, 29}; among them, the pilot subcarrier indices are {-411, -177, 177, 411}; The 106-tone dRU with index 7 includes 26-tone dRUs with indices 29, 30, 31, 32, and subcarriers with subcarrier indices {-27, 27}; among them, the pilot subcarrier indices are {-472, -121, 121, 472}; The 106-tone dRU with index 8 includes 26-tone dRUs with indices 34, 35, 36, 37, and subcarriers with subcarrier indices {-31, 31}; among them, the pilot subcarrier indices are {-413, -179, 179, 413}.

11. The method according to any one of claims 2 to 5, characterized in that, The carrier planning of the dRU further includes 4 242-tone dRUs; each 242-tone dRU includes 242 subcarriers, among which there are 234 data subcarriers and 8 pilot subcarriers.

12. The method according to claim 11, characterized in that, The carrier planning of the dRU further includes one or more of the following: The 242-tone dRU with index 1 includes 26-tone dRUs with indices 1, 2, 3, 4, 5, 6, 7, 8, 9, and subcarriers with subcarrier indices {-15, -11, -7, -3, 3, 7, 11, 15}; among them, the pilot subcarrier indices are {-458, -343, -200, -85, 85, 200, 343, 458}; The 242-tone dRU with index 2 includes 26-tone dRUs with indices 10, 11, 12, 13, 14, 15, 16, 17, 18, and subcarriers with subcarrier indices {-17, -13, -9, -5, 5, 9, 13, 17}; among them, the pilot subcarrier indices are {-442, -327, -175, -68, 68, 175, 327, 442}; The 242-tone dRU with index 3 includes 26-tone dRUs with indices 20, 21, 22, 23, 24, 25, 26, 27, 28 and subcarriers with subcarrier indices {-16, -12, -8, -4, 4, 8, 12, 16}; among them, the pilot subcarrier indices are {-464, -359, -206, -99, 99, 206, 359, 464}; The 242-tone dRU with index 4 includes 26-tone dRUs with indices 29, 30, 31, 32, 33, 34, 35, 36, 37 and subcarriers with subcarrier indices {-18, -14, -10, -6, 6, 10, 14, 18}; among them, the pilot subcarrier indices are {-443, -337, -184, -78, 78, 184, 337, 443}.

13. The method according to claim 11, wherein The carrier planning of the dRU further includes one or more of the following: The 242-tone dRU with index 1 includes 26-tone dRUs with indices 1, 2, 3, 4, 5, 6, 7, 8, 9, and subcarriers with subcarrier indices {-28, -24, -20, -16, 16, 20, 24, 28}; among them, the pilot subcarrier indices are {-459, -347, -207, -95, 95, 207, 347, 459}; The 242-tone dRU with index 2 includes 26-tone dRUs with indices 10, 11, 12, 13, 14, 15, 16, 17, 18, and subcarriers with subcarrier indices {-30, -26, -22, -18, 18, 22, 26, 30}; among them, the pilot subcarrier indices are {-443, -331, -183, -79, 79, 183, 331, 443}; The 242-tone dRU with index 3 includes 26-tone dRUs with indices 20, 21, 22, 23, 24, 25, 26, 27, 28 and subcarriers with subcarrier indices {-29, -25, -21, -17, 17, 21, 25, 29}; among which, the pilot subcarrier indices are {-465, -362, -213, -109, 109, 213, 362, 465}; The 242-tone dRU with index 4 includes 26-tone dRUs with indices 29, 30, 31, 32, 33, 34, 35, 36, 37 and subcarriers with subcarrier indices {-31, -27, -23, -19, 19, 23, 27, 31}; among which, the pilot subcarrier indices are {-449, -341, -197, -89, 89, 197, 341, 449}.

14. The method according to any one of claims 2 to 5, characterized in that, The carrier plan of the dRU also includes 2 484-tone dRUs; each 484-tone dRU includes 484 subcarriers, among which 468 are data subcarriers and 16 are pilot subcarriers.

15. The method according to claim 14, wherein The carrier plan of the dRU also includes one or more of the following: The 484-tone dRU with index 1 includes 26-tone dRUs with indices from 1 to 18, and subcarriers with subcarrier indices {-17, -15, -13, -11, -9, -7, -5, -3, 3, 5, 7, 9, 11, 13, 15, 17}; The 484-tone dRU with index 2 includes 26-tone dRUs with indices from 20 to 37, and subcarriers with subcarrier indices {-18, -16, -14, -12, -10, -8, -6, -4, 4, 6, 8, 10, 12, 14, 16, 18}.

16. The method according to claim 14, wherein The carrier plan of the dRU also includes one or more of the following: The 484-tone dRU with index 1 includes 26-tone dRUs with indices from 1 to 18, and subcarriers with subcarrier indices {-30, -28, -26, -24, -22, -20, -18, -16, 16, 18, 20, 22, 24, 26, 28, 30}; The 484-tone dRU with index 2 includes 26-tone dRUs with indices from 20 to 37, and subcarriers with subcarrier indices {-31, -29, -27, -25, -23, -21, -19, -17, 17, 19, 21, 23, 25, 27, 29, 31}.

17. The method according to any one of claims 2 to 5, characterized in that, The carrier plan of the dRU also includes 1 996-tone dRU, the 996-tone dRU includes 996 subcarriers, among which 980 are data subcarriers and 16 are pilot subcarriers, and the subcarrier indices of the 996-tone dRU are from -500 to -3 and 3 to 500.

18. A communication device, characterized in that, Includes units or modules for performing the method according to any one of claims 1 to 17.

19. A communication device, characterized in that, Comprising a processor and an interface circuit, the interface circuit being configured to receive signals from other communication devices and transmit them to the processor or send signals from the processor to other communication devices, the processor being configured to implement the method according to any one of claims 1 to 17 by means of logic circuits or by executing code instructions.

20. A readable storage medium, characterized in that, A program for storage, the program being executed by one or more processors such that a device comprising the one or more processors executes the method according to any one of claims 1 to 17.

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