Data transmission method, device and equipment and readable storage medium

Abstract

Provided in the present application are a data transmission method, apparatus and device, and a readable storage medium, the method comprising: a transmitting end device transmitting an extended long-distance physical layer protocol data unit (ELR) PPDU according to first configuration information, the ELR PPDU comprising an ELR preamble field, the ELR preamble field comprising an extended long-distance signal (ELR)-SIG field, the first configuration information comprises at least one of the following items: time domain configuration of the ELR-SIG field; the frequency domain configuration of the ELR-SIG field is carried out; configuring the power of the ELR preamble field; modulation configuration of the ELR leading field is carried out; carrying out modulation coding configuration on the ELR preamble field; and the content of the ELR-SIG field is configured.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of communication, and more particularly, to a data transmission method, device, apparatus and readable storage medium. BACKGROUND

[0002] In some scenarios, such as wireless video monitoring scenarios, greater coverage is required, and using multi-AP relaying to enhance the distance is usually not an economically effective solution. Therefore, an ELR (Enhanced / Extended Long Range) WiFi solution is considered to be introduced to enhance the coverage capability of scenarios such as wireless video monitoring. However, in the related art, the ELR PPDU (Physical Layer Protocol Data Unit) is not specifically designed. Therefore, how to perform ELR PPDU transmission to improve signal coverage is an urgent problem to be solved. SUMMARY

[0003] The present application provides a data transmission method, device, apparatus and readable storage medium, which is beneficial to improve the coverage range of the ELR PPDU.

[0004] In a first aspect, a data transmission method is provided, comprising:

[0005] A transmitting end device transmits an ELR (Extended Long Range) PPDU (Physical Layer Protocol Data Unit) according to first configuration information, wherein the ELR PPDU comprises an ELR preamble field, and the ELR preamble field comprises an ELR-SIG (Extended Long Range Signal) field, and wherein the first configuration information comprises at least one of the following:

[0006] a time domain configuration of the ELR-SIG field;

[0007] a frequency domain configuration of the ELR-SIG field;

[0008] a power configuration of the ELR preamble field;

[0009] a modulation configuration of the ELR preamble field;

[0010] a modulation and coding configuration of the ELR preamble field;

[0011] a content configuration of the ELR-SIG field.

[0012] In a second aspect, a data transmission method is provided, comprising:

[0013] The receiving end device receives an extended long range physical layer protocol data unit (ELR PPDU) according to the first configuration information, wherein the ELR PPDU comprises an ELR preamble field, and the ELR preamble field comprises an extended long range signal (ELR-SIG) field, and the first configuration information comprises at least one of the following:

[0014] a time domain configuration of the ELR-SIG field;

[0015] a frequency domain configuration of the ELR-SIG field;

[0016] a power configuration of the ELR preamble field;

[0017] a modulation configuration of the ELR preamble field;

[0018] a modulation and coding configuration of the ELR preamble field;

[0019] a content configuration of the ELR-SIG field.

[0020] In a third aspect, a communication apparatus is provided, comprising:

[0021] The sending module is configured to send an extended long range physical layer protocol data unit (ELR PPDU) according to the first configuration information, wherein the ELR PPDU comprises an ELR preamble field, and the ELR preamble field comprises an extended long range signal (ELR-SIG) field, and the first configuration information comprises at least one of the following:

[0022] a time domain configuration of the ELR-SIG field;

[0023] a frequency domain configuration of the ELR-SIG field;

[0024] a power configuration of the ELR preamble field;

[0025] a modulation configuration of the ELR preamble field;

[0026] a modulation and coding configuration of the ELR preamble field;

[0027] a content configuration of the ELR-SIG field.

[0028] In a fourth aspect, a communication apparatus is provided, comprising:

[0029] The receiving module is configured to receive an extended long range physical layer protocol data unit (ELR PPDU) according to the first configuration information, wherein the ELR PPDU comprises an ELR preamble field, and the ELR preamble field comprises an extended long range signal (ELR-SIG) field, and the first configuration information comprises at least one of the following:

[0030] a time domain configuration of the ELR-SIG field;

[0031] a frequency domain configuration of the ELR-SIG field;

[0032] a power configuration of the ELR preamble field;

[0033] a modulation configuration of the ELR preamble field;

[0034] a modulation and coding configuration of the ELR preamble field;

[0035] a content configuration of the ELR-SIG field.

[0036] In a fifth aspect, a communication device is provided, including a processor and a memory. The memory is configured to store a computer program, and the processor is configured to invoke and run the computer program stored in the memory to execute the method in the first aspect or the implementation manner thereof, or the method in the second aspect or the implementation manner thereof.

[0037] In a sixth aspect, a chip is provided, configured to implement the method in any one of the first aspect to the second aspect or the implementation manner thereof. Specifically, the chip includes a processor configured to invoke and run a computer program from a memory, so that a device installed with the chip executes the method in any one of the first aspect to the second aspect or the implementation manner thereof.

[0038] In a seventh aspect, a readable storage medium is provided, configured to store a computer program, which causes a computer to execute the method in any one of the first aspect to the second aspect or the implementation manner thereof.

[0039] In an eighth aspect, a computer program product is provided, including computer program instructions, which causes a computer to execute the method in any one of the first aspect to the second aspect or the implementation manner thereof.

[0040] In a ninth aspect, a computer program is provided, which, when running on a computer, causes the computer to execute the method in any one of the first aspect to the second aspect or the implementation manner thereof.

[0041] By the technical solution, the sending end device can transmit the ELR PPDU according to the first configuration information, wherein the ELR PPDU includes an ELR preamble field, the ELR preamble field includes an extended long distance signal ELR-SIG field, the first configuration information includes at least one of a time domain configuration of the ELR-SIG field, a frequency domain configuration of the ELR-SIG field, a power configuration of the ELR preamble field, a modulation configuration of the ELR preamble field, a modulation and coding configuration of the ELR preamble field, and a content configuration of the ELR-SIG field, which is beneficial to increase the coverage range of the ELR PPDU and extend the transmission distance. BRIEF DESCRIPTION OF DRAWINGS

[0042] Figure 1 is a schematic diagram of a communication system suitable for embodiments of the present application.

[0043] Figure 2 is a schematic interaction diagram of a data transmission method provided by embodiments of the present application.

[0044] Figure 3 is an example of the time domain length of the ELR-SIG field being an integer multiple of 4 microseconds provided by embodiments of the present application.

[0045] Figure 4 is an example of the time domain length of the ELR-SIG field being an integer multiple of 3.2 microseconds provided by embodiments of the present application.

[0046] Figure 5 is an example of the time domain length of the ELR-SIG field being an integer multiple of 1 OFDM symbol provided by embodiments of the present application.

[0047] Figure 6 is an example of the time domain length of the OFDM symbol within the ELR-SIG field being an integer multiple of 4 microseconds provided by embodiments of the present application.

[0048] Figure 7 is an example of the bandwidth of the ELR-SIG field being an integer multiple of 20 MHz provided by embodiments of the present application.

[0049] Figure 8 is an example of the bandwidth of the ELR-SIG field being an integer multiple of 2 MHz provided by embodiments of the present application.

[0050] Figure 9 is an example of repeatedly transmitting the 2 MHz bandwidth signal within the ELR-SIG field 4 times in the frequency domain provided by embodiments of the present application.

[0051] Figure 10 is a schematic diagram of a wireless communication device provided by embodiments of the present application.

[0052] Figure 11 is a schematic diagram of another wireless communication device provided by an embodiment of the present application.

[0053] Figure 12 is a schematic block diagram of a communication device provided by an embodiment of the present application.

[0054] Figure 13 is a schematic block diagram of a chip provided by an embodiment of the present application.

[0055] Figure 14 is a schematic block diagram of a communication system provided by an embodiment of the present application. DETAILED DESCRIPTION

[0056] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all of them. All other embodiments obtained by those of ordinary skill in the art without creative effort on the basis of the embodiments in the present application shall fall within the scope of the present application.

[0057] It should be noted that, in this document, the terms "comprising", "including", or any other variant thereof are intended to cover non-exclusive inclusion, so that processes, methods, articles, or devices that comprise a series of elements not only include those elements, but also include other elements not explicitly listed, or inherent to such processes, methods, articles, or devices. In addition, the terms "first" and "second" and the like referred to herein are only used to distinguish different objects, and are not used to describe a specific order.

[0058] It should be noted that, in the embodiments of the present application, "at least one" refers to one or more, "more than one" refers to two or more, and "at least two" refers to two or more. "At least one" or the like can refer to any combination of these items. For example, at least one of a, b or c can mean: a, b, c, "a and b", "a and c", "b and c", or "a and b and c".

[0059] It should be noted that, in the embodiments of the present application, "and / or" means that the connected objects can have three relationships, for example, "A and / or B" can mean: only A, only B, and A and B exist at the same time. The character " / " generally represents that the front and rear associated objects are in an "or" relationship.

[0060] It should be understood that the "indication" mentioned in the embodiments of the present application can be direct indication or indirect indication. For example, A indicates B, which can mean that B can be obtained by A directly, or A indirectly indicates B, for example, A indicates C, and B can be obtained by C, for example, B and C have an association relationship.

[0061] The technical solutions provided by the embodiments of the present application can be applied to a wireless local area network (wireless local area network, abbreviated as WLAN) system, such as a WiFi protocol. The WiFi protocol may, for example, include but is not limited to 802.11 series protocols, such as 802.11b protocol, 802.11a protocol, 802.11g protocol, 802.11n protocol, 802.11ac protocol, 802.11ax, 802.11be, 802.11bn protocol or next-generation protocol, etc. Alternatively, it can also be applied to a wireless personal area network system based on Ultra Wide Band (Ultra Wide Band, abbreviated as UWB), a sensing system, etc.

[0062] Figure 1 A schematic structural diagram of a communication system 100 suitable for an embodiment of the present application is shown. The communication system 100 can include an access point (Access Point, abbreviated as AP) 110 and a station (STATION, abbreviated as STA) 120. The station 120 can access the network through the access point 110.

[0063] The access point can support communication or sensing based on the WiFi protocol, for example, support communication or sensing based on the 802.11b protocol, the 802.11a protocol, the 802.11g protocol, the 802.11n protocol, the 802.11ac protocol, the 802.11ax, the 802.11be, the 802.11bn protocol or the next-generation protocol, etc.

[0064] The station can support communication or sensing based on the WiFi protocol, for example, support communication or sensing based on the 802.11b protocol, the 802.11a protocol, the 802.11g protocol, the 802.11n protocol, the 802.11ac protocol, the 802.11ax, the 802.11be, the 802.11bn protocol or the next-generation protocol, etc.

[0065] The communication in the communication system 100 can be communication between the access point and the station, or it can also be communication between the stations, or it can also be communication between the access points.

[0066] The access point is equivalent to a bridge connecting wired network and wireless network, and mainly functions to connect various wireless network clients together and then access the wireless network to Ethernet.

[0067] The station or non-AP station (English: non-AP STA), the access point or AP station (English: AP STA), that is, in a certain sense, the access point is also a station.

[0068] In some scenarios, the access point and the station can be devices applied to the Internet of Vehicles, Internet of Things nodes, sensors, etc. in the Internet of Things (English: Internet Of Things, abbreviated as IoT), smart cameras, smart remote controllers, smart water meters, etc. in smart homes, and sensors, etc. in smart cities.

[0069] In some scenarios, the access point can be a terminal device (such as a mobile phone, etc.) or a network device (such as a router, etc.) with a WiFi chip.

[0070] In the embodiments of the present application, the station can be a mobile phone, a tablet computer, a computer, a virtual reality (English: Virtual Reality, VR) device, an augmented reality (English: Augmented Reality, abbreviated as AR) device, a wireless device in industrial control, a set-top box, a wireless device in self-driving, a vehicle-mounted communication device, a wireless device in remote medical treatment, a wireless device in smart grid, a wireless device in transportation safety, a wireless device in smart city, or a wireless device in smart home, a wireless communication chip, etc. supporting WLAN or WiFi technology.

[0071] It should be understood that, Figure 1 Only one access point and two stations are exemplified, and optionally, the communication system 100 can include multiple access points, or other numbers of stations, and the embodiments of the present application do not limit this.

[0072] Optionally, the communication system 100 can further include other devices, such as a network controller, a gateway, and other network entities, and the present application does not limit this.

[0073] Outdoor IoT applications and some indoor applications require longer range, more efficient, more compatible WiFi solutions. For example, wireless video doorbells, outdoor surveillance cameras, wireless garage door controllers, outdoor sprinkler controllers, wireless speakers, smart appliances, and security IoT devices.

[0074] Relay with multiple APs can enhance the distance, but it is not an economically efficient solution, so it is only suitable for high data rate and relatively expensive applications. Most home video surveillance includes indoor wireless video surveillance and outdoor wireless video surveillance. One of the biggest obstacles for outdoor wireless video surveillance is the lack of coverage.

[0075] Therefore, there is an urgent need for a Wi-Fi solution to enhance the coverage capability of scenarios such as wireless video surveillance.

[0076] The technical solutions of the present application are described in detail below through specific embodiments. The above related technologies can be combined with the technical solutions of the embodiments of the present application as optional solutions, which all belong to the protection scope of the embodiments of the present application.

[0077] Figure 2 is a schematic interaction diagram of the data transmission method 200 according to the embodiments of the present application, as shown in Figure 2 The method 200 includes at least part of the following contents:

[0078] S210, the sending end device sends the ELR PPDU according to the first configuration information.

[0079] Correspondingly, the receiving end device receives the ELR PPDU according to the first configuration information.

[0080] In some embodiments, the sending end device can be a station device, and the receiving end device can be an access point device.

[0081] In other embodiments, the sending end device can be an access point device, and the receiving end device can be a station device.

[0082] Optionally, the station device in the embodiments of the present application can be a station 120 in the communication system as shown in Figure 1 , or a non-AP STA, for example, the first station device can be but is not limited to various types of station 120, and the access point device in the embodiments of the present application can be an access point 110 in the communication system as shown in Figure 1 , or an AP STA, for example, the access point device can be but is not limited to various types of access point 110.

[0083] In some embodiments, the ELR PPDU comprises an ELR preamble field, which comprises an extended long range signal (ELR-SIG) field.

[0084] In some embodiments, the ELR preamble field further comprises an extended long range short training field (ELR-STF), and / or, an extended long range long training field (ELR-LTF).

[0085] Optionally, the ELR-STF field can be used for frame synchronization, automatic gain control, initial frequency offset estimation, initial time synchronization, etc.

[0086] Optionally, the ELR-LTF field can be used for fine frequency synchronization, channel estimation, etc.

[0087] In some embodiments, the ELR-SIG field can carry parsing information for parsing the ELR PPDU.

[0088] Optionally, the parsing information can comprise, but not limited to, at least one of the following:

[0089] a physical layer version information of the ELR PPDU;

[0090] a bandwidth information of the ELR PPDU;

[0091] a transmission direction information of the ELR PPDU, e.g., uplink or downlink;

[0092] a basic service set (BSS) color information of the ELR PPDU;

[0093] a time length of a transmission opportunity (TXOP) of the ELR PPDU;

[0094] a CRC of the above information of the ELR PPDU;

[0095] an indication information for indicating whether to continue receiving the ELR PPDU;

[0096] a PPDU type information;

[0097] a demodulation information of a data part of the ELR PPDU.

[0098] Optionally, the PPDU type information can be used for indicating at least one of the following PPDU types:

[0099] Trigger Based (TB) PPDU, Single User (SU) PPDU, Multiple User (MU) PPDU.

[0100] Optionally, the demodulation information of the data part of the ELR PPDU comprises at least one of the following information:

[0101] user identity, Modulation and Coding Scheme (MCS) information, Number of Spatial Streams (NSS) information, beamforming information, coding information.

[0102] In some embodiments, the ELR PPDU can be a trigger frame based ELR PPDU, or can also be an ELR PPDU initiated by the sending end device itself, which is not limited in the present application.

[0103] In some embodiments of the present application, the first configuration information comprises at least one of the following, but is not limited to:

[0104] time domain configuration of the ELR-SIG field;

[0105] frequency domain configuration of the ELR-SIG field;

[0106] power configuration of the ELR preamble field;

[0107] modulation configuration of the ELR preamble field (or ELR-SIG field);

[0108] modulation and coding configuration of the ELR preamble field (or ELR-SIG field);

[0109] content configuration of the ELR-SIG field.

[0110] In some specific embodiments, the first configuration information comprises the following configuration information:

[0111] time domain configuration of the ELR-SIG field;

[0112] frequency domain configuration of the ELR-SIG field;

[0113] modulation configuration of the ELR preamble field (or ELR-SIG field);

[0114] a modulation configuration of the ELR preamble field (or, ELR-SIG field).

[0115] Optionally, in this case, the power configuration and the content configuration of the ELR preamble field can adopt a default configuration, for example, for the power configuration, a power boosting manner is adopted for power boosting by default, and for the content configuration, a default ELR-SIG field includes all the fields shown in the following example.

[0116] In some embodiments, the first configuration information includes the following configuration information:

[0117] a time domain configuration of the ELR-SIG field;

[0118] a frequency domain configuration of the ELR-SIG field.

[0119] a power configuration of the ELR preamble field.

[0120] Optionally, in this case, the modulation configuration, the modulation and coding configuration, and the content configuration of the ELR-SIG field can adopt a default configuration, for example, the modulation configuration adopts BPSK or QBPSK by default, the modulation and coding configuration adopts MCS0, MCS1, or MCS2 by default, and the content configuration a default ELR-SIG field includes all the fields shown in the following example.

[0121] In some embodiments, the first configuration information includes the following configuration information:

[0122] a time domain configuration of the ELR-SIG field;

[0123] a frequency domain configuration of the ELR-SIG field.

[0124] Optionally, in this case, the power configuration, the modulation configuration, the modulation and coding configuration, and the content configuration of the ELR-SIG field can adopt a default configuration, for example, for the power configuration, a power boosting manner is adopted for power boosting by default, for the modulation configuration, BPSK or QBPSK is adopted by default, for the modulation and coding configuration, MCS0, MCS1, or MCS2 is adopted by default, and for the content configuration, a default ELR-SIG field includes all the fields shown in the following example.

[0125] In some embodiments of the present application, the time domain configuration of the ELR-SIG field is used to configure the transmission manner of the ELR-SIG field in the time domain, for example, the length of the time domain occupied, whether to perform repeated transmission in the time domain, the number of times of repeated transmission in the time domain, and the like.

[0126] In some embodiments, the time domain configuration of the ELR-SIG field is used to configure at least one of the following:

[0127] a time domain length of the ELR-SIG field in the ELR preamble field;

[0128] a number of the ELR-SIG fields repeated in time domain in the ELR preamble field;

[0129] a number of Orthogonal frequency-division multiplexing (OFDM) symbols in the ELR-SIG fields repeated in time domain in the ELR preamble field;

[0130] a maximum number of repetitions N max supported by the ELR-SIG fields in the ELR preamble field in time domain;

[0131] a maximum number of repetitions N max supported by the OFDM symbols in the ELR-SIG fields in the ELR preamble field in time domain;

[0132] a combination of a time domain length (e.g. time domain symbol length) and a guard interval length supported by the ELR-SIG fields in the ELR preamble field.

[0133] Therefore, in the embodiments of the present application, the transmitting end device can be configured to repeatedly transmit the ELR-SIG field in time domain, which is beneficial to increase the coverage range of the ELR PPDU, so as to extend the signal transmission distance.

[0134] It should be understood that the present application does not limit the time domain length unit of the ELR-SIG field, which can be microsecond, or OFDM symbol, or other time units, and the present application is not limited thereto.

[0135] In some embodiments, the time domain length of the ELR-SIG field in the ELR preamble field is an integer multiple of X microsecond, wherein X is a positive number. That is, the ELR-SIG field in the ELR preamble field can be repeatedly transmitted in time domain with X microsecond as a unit. For example, the ELR preamble field can include N ELR-SIG fields repeated in time domain with a time domain length of X microsecond. By repeatedly transmitting the ELR-SIG field in time domain, the coverage range of the ELR PPDU can be increased, so as to extend the signal transmission distance.

[0136] Optionally, X microsecond can be 4 microsecond or 3.2 microsecond. Figure 3 is an example of the time domain length of the ELR-SIG field being an integer multiple of 4 microsecond provided by the embodiments of the present application, Figure 4is an example provided by an embodiment of the present application that the time domain length of the ELR-SIG field is an integer multiple of 3.2 microseconds. It should be understood that, Figure 3 and Figure 4 The example multiple is only an example, but the present application is not limited thereto, for example, it can be 1 times, or 2 times, or 4 times, etc.

[0137] In some embodiments, the time domain length of the ELR-SIG field in the ELR preamble field is an integer multiple of Y OFDM symbols, where Y is a positive integer. That is, the ELR-SIG field in the ELR preamble field can be repeatedly transmitted in units of Y OFDM symbols in the time domain. For example, the ELR preamble field can include N ELR-SIG fields whose time domain length is Y OFDM symbols and which are repeated in the time domain. By repeatedly transmitting the ELR-SIG field in the time domain, the coverage of the ELR PPDU can be increased, thereby enabling the signal transmission distance to be extended.

[0138] Optionally, Y = 1, or Y can also be other values, which are not limited by the present application. Figure 5 is an example provided by an embodiment of the present application that the time domain length of the ELR-SIG field is an integer multiple of 1 OFDM symbol. It should be understood that, Figure 5 The example multiple is only an example, but the present application is not limited thereto, for example, it can be 1 times, or 2 times, or 4 times, etc.

[0139] In some embodiments, the time domain length of the OFDM symbol in the ELR-SIG field is an integer multiple of X microseconds, where X is a positive number. That is, the OFDM symbol in the ELR-SIG field can be repeatedly transmitted in units of X microseconds in the time domain. For example, the ELR preamble field can include N ELR-SIG fields whose time domain length is X microseconds and which are repeated in the time domain. By repeatedly transmitting the ELR-SIG field in the time domain, the coverage of the ELR PPDU can be increased, thereby enabling the signal transmission distance to be extended.

[0140] Figure 6 is an example provided by an embodiment of the present application that the time domain length of the OFDM symbol in the ELR-SIG field is an integer multiple of 4 microseconds. In Figure 6 (a) of FIG. 4, the ELR-SIG field includes one OFDM symbol (i.e., symbol 1), which can be repeatedly transmitted 4 times in units of 4 microseconds in the time domain. In Figure 6 (b) of FIG. 4, the ELR-SIG field includes 2 OFDM symbols (i.e., symbol 1 and symbol 3), which can be repeatedly transmitted 2 times in units of 4 microseconds in the time domain. In Figure 6In (c), the ELR-SIG field includes two OFDM symbols (i.e., symbol 1 and symbol 2), which can be transmitted twice as a whole. It should be understood that... Figure 6 The number of OFDM symbols included in the ELR-SIG field and the number of repeated transmissions shown in the example are merely examples, but this application is not limited to them.

[0141] In some embodiments, the ELR preamble includes N time-domain repeated ELR-SIG fields, where N is a positive integer greater than 1. That is, in this embodiment, the ELR-SIG fields in the ELR preamble can support repeated transmission in the time domain. Optionally, the time-domain length of each ELR-SIG field in the ELR preamble can be X microseconds or Y OFDM symbols. Optionally, N can be flexibly configured. By flexibly configuring the number of ELR-SIG fields repeatedly transmitted in the time domain, or in other words, the number of times the ELR-SIG fields are repeatedly transmitted in the time domain, the coverage of the ELR PPDU can be flexibly adjusted, thereby adapting to application scenarios requiring different coverage ranges.

[0142] In some embodiments, the ELR preamble field includes N groups of OFDM symbols within the ELR-SIG field that are repeated in the time domain, where N is a positive integer greater than 1, and each group of OFDM symbols includes at least one OFDM symbol. That is, in this embodiment, it is possible to support the repeated transmission of OFDM symbols within the ELR-SIG field of the ELR preamble field in the time domain. Optionally, N can be flexibly configured. By flexibly configuring the number of times the OFDM symbols within the ELR-SIG field are repeatedly transmitted in the time domain, the coverage of the ELR PPDU can be flexibly adjusted, thereby adapting to application scenarios requiring different coverage ranges.

[0143] In some embodiments, the maximum value of N is N max N max It is a positive integer greater than 1.

[0144] Optional, N max It can be as specified in the protocol, or it can be flexibly configured.

[0145] In some embodiments, the combination of time domain length and guard interval length supported by the ELR-SIG field in the ELR preamble can be flexibly configured. Optionally, multiple combinations can be configured for different application scenarios, such as different transmission distances or coverage areas. In this way, configuring the transmitting device to use an appropriate combination of time domain length and guard interval length for ELR PPDU transmission according to different application scenarios is beneficial to meeting the transmission requirements of the application scenario and improving resource utilization efficiency.

[0146] As an example but not limitation, a first combination and a second combination can be configured, the first combination supports a first transmission distance, the second combination supports a second transmission distance, wherein the first transmission distance is greater than the second transmission distance, then the guard interval length in the first combination can be greater than the guard interval length in the second combination, the time domain length in the first combination is greater than the time domain length in the second combination, then when the transmission distance is within the second transmission distance, the transmission of the ELR PPDU based on the second combination can be selected, which can enable the devices within the second transmission distance to receive the ELR PPDU, or, in the case where the transmission distance is less than the first transmission distance, the first combination can be selected for the transmission of the ELR PPDU, which can enable the devices within the first transmission distance to receive the ELR PPDU, and the appropriate combination is selected for the transmission of the ELR PPDU according to the transmission distance, rather than directly selecting the combination supporting the maximum transmission distance for the transmission of the ELR PPDU, which can improve the resource utilization.

[0147] Optionally, the guard interval length supported by the ELR-SIG field includes at least one of the following: 0.1us, 0.2us, 0.4us, 0.6us, 0.8us, 1.6us, 3.2us, 6.4us, 12.8us, 25.6us, etc.

[0148] In some embodiments of the present application, the frequency domain configuration of the ELR-SIG field is used to configure the transmission manner of the ELR-SIG field in the frequency domain, such as the occupied bandwidth size, whether to perform repeated transmission in the frequency domain, the number of repeated transmission in the frequency domain, etc.

[0149] In some embodiments, the frequency domain configuration of the ELR-SIG field is used to configure at least one of the following:

[0150] The bandwidth of the ELR-SIG field in the ELR preamble field;

[0151] The number of ELR-SIG fields repeated in the frequency domain in the ELR preamble field;

[0152] The number of frequency bands within the ELR-SIG field repeated in the frequency domain in the ELR preamble field;

[0153] The maximum number of repetitions M supported by the ELR-SIG field in the ELR preamble field in the frequency domain max ;

[0154] The maximum number of repetitions M supported by the frequency band within the ELR-SIG field in the ELR preamble field in the frequency domain max .

[0155] Therefore, in the embodiments of the present application, the transmitting end device can be configured to repeatedly transmit the ELR-SIG field in the frequency domain, which is beneficial to increase the coverage range of the ELR PPDU, thereby being able to extend the signal transmission distance.

[0156] It should be understood that the present application does not limit the unit of the bandwidth of the ELR-SIG field or the frequency band within the ELR-SIG field, which can be MHz, or can also be a resource unit (English: Resource Unit, abbreviated as RU), or can also be other frequency domain units, such as a subcarrier, and the present application is not limited thereto.

[0157] In some embodiments, the bandwidth of the ELR-SIG field in the ELR preamble field is an integer multiple of P MHz, where P is a positive integer. That is, the ELR-SIG field in the ELR preamble field can be repeatedly transmitted in the frequency domain with P MHz as the unit. For example, the ELR preamble field can include M ELR-SIG fields with a bandwidth of P MHz repeatedly in the frequency domain. By repeatedly transmitting the ELR-SIG field in the frequency domain, the coverage range of the ELR PPDU can be increased, thereby being able to extend the signal transmission distance.

[0158] Optionally, P = 2 or 20, or can also be other values, which are not limited by the present application. Figure 7 is an example provided by the embodiments of the present application, in which the bandwidth of the ELR-SIG field is an integer multiple of 20 MHz, Figure 8 is an example provided by the embodiments of the present application, in which the bandwidth of the ELR-SIG field is an integer multiple of 2 MHz, and it should be understood that, Figure 7 and Figure 8 The multiples shown in the examples are only examples, but the present application is not limited thereto, for example, it can be 1 times, or 2 times, or 4 times, etc.

[0159] In some embodiments, the bandwidth of the ELR-SIG field in the ELR preamble field is an integer multiple of Q RUs, where Q is a positive integer. That is, the ELR-SIG field in the ELR preamble field can be repeatedly transmitted in the frequency domain with Q RUs as the unit. For example, the ELR preamble field can include M ELR-SIG fields with a bandwidth of Q RUs repeatedly in the frequency domain. By repeatedly transmitting the ELR-SIG field in the frequency domain, the coverage range of the ELR PPDU can be increased, thereby being able to extend the signal transmission distance.

[0160] Optionally, Q = 1 or 2, or can also be other values, which are not limited by the present application.

[0161] In some embodiments, the ELR preamble field includes M ELR-SIG fields repeated in frequency domain, where M is a positive integer greater than 1. That is, in the embodiments of the present application, the ELR-SIG fields in the ELR preamble field can support repeated transmission in frequency domain. Optionally, the bandwidth of each ELR-SIG field in the ELR preamble field can be PMHz or Q RUs. Optionally, M can be flexibly configured, and the number of repeated transmissions of the ELR-SIG fields in frequency domain can be flexibly adjusted to adjust the coverage of the ELR PPDU, so as to be applicable to application scenarios requiring different coverage.

[0162] In some embodiments, the ELR preamble field includes M frequency bands in the ELR-SIG fields repeated in frequency domain, where M is a positive integer greater than 1. That is, in the embodiments of the present application, the frequency bands in the ELR-SIG fields in the ELR preamble field can support repeated transmission in frequency domain. Optionally, M can be flexibly configured, and the number of repeated transmissions of the frequency bands in the ELR-SIG fields in frequency domain can be flexibly adjusted to adjust the coverage of the ELR PPDU, so as to be applicable to application scenarios requiring different coverage.

[0163] Optionally, the frequency band in the ELR-SIG field can be a specific bandwidth, for example, 2MHz. That is, the ELR-SIG field can include a 2MHz bandwidth signal, and the 2MHz bandwidth signal can be repeatedly transmitted in frequency domain, Figure 9 is an example of repeatedly transmitting a 2MHz bandwidth signal in the ELR-SIG field 4 times in frequency domain provided by the embodiments of the present application.

[0164] In some embodiments, the maximum value of M is M max , where M is a positive integer greater than 1. max

[0165] Optionally, M max may be specified by a protocol or can be flexibly configured.

[0166] In some embodiments of the present application, the ELR preamble field uses a power boosting method for transmit power boosting.

[0167] Optionally, the ELR preamble field uses a power boosting method for transmit power boosting, which can be determined based on the power configuration of the ELR preamble field or can be by default. In this case, the first configuration information can not include the power configuration of the ELR preamble field.

[0168] ​Therefore, in the embodiments of the present application, the transmission power of the ELR preamble field is increased by power boosting, which is beneficial to increase the coverage range of the ELR PPDU, thereby extending the signal transmission distance.

[0169] In some embodiments of the present application, the sending end device modulates the ELR-SIG field by using a low-order modulation mode, for example, by using a binary phase shift keying (BPSK) or a quadrature binary phase shift keying (QBPSK) to modulate the ELR-SIG field.

[0170] Optionally, the sending end device modulating the ELR-SIG field by using a low-order modulation mode can be configured by the modulation configuration of the ELR preamble field, or the modulation configuration can be used by default, in which case the first configuration information can not include the modulation configuration of the ELR preamble field.

[0171] The low-order modulation mode has a high tolerance to channel noise and interference due to the simple signal waveform, and thus can maintain a relatively stable signal strength in long-distance transmission, thereby enabling the signal to be transmitted to a farther distance. Therefore, the embodiments of the present application modulate the ELR-SIG field by using a low-order modulation mode, which is beneficial to transmit the ELR PPDU to a farther distance, increase the coverage range of the ELR PPDU, and thereby extend the signal transmission distance.

[0172] In some embodiments of the present application, the sending end device modulates and encodes the ELR-SIG field by using a modulation and coding scheme (MCS) corresponding to the low-order modulation mode. For example, the sending end device modulates and encodes the ELR-SIG field by using MCS0, MCS1, or MCS2.

[0173] Optionally, the sending end device modulating and encoding the ELR-SIG field by using the MCS corresponding to the low-order modulation mode can be configured by the modulation and coding configuration of the ELR preamble field, or the modulation and coding configuration can be used by default, in which case the first configuration information can not include the modulation and coding configuration of the ELR preamble field.

[0174] Therefore, the embodiments of the present application modulate and encode the ELR-SIG field by using the MCS corresponding to the low-order modulation mode, which can enable the ELR PPDU to be transmitted to a farther distance, increase the coverage range of the ELR PPDU, and thereby extend the signal transmission distance.

[0175] In some embodiments of the present application, the ELR-SIG field comprises at least one of:

[0176] A bits of a physical layer version identifier (PHY Version Identifier) field, where A is a positive integer;

[0177] B bits of a bandwidth (Bandwidth) field, where B is a positive integer;

[0178] C bits of a transmission direction field (or UL / DL field), where C is a positive integer;

[0179] D bits of a BSS color (BSS Color) field, where D is a positive integer;

[0180] E bits of a transmission opportunity (TXOP) field, for indicating the time length of TXOP, where E is a positive integer;

[0181] F bits of a first disregard (Disregard) field, where F is a positive integer;

[0182] G bits of a second disregard field, where G is a positive integer;

[0183] H bits of a cyclical redundancy check (CRC) field, for indicating the CRC of the fields before the CRC field in the ELR preamble field, where H is a positive integer;

[0184] I bits of a tail (Tail) field, for aborting convolutional decoding, where I is a positive integer;

[0185] J bits of a validate (Validate) field, for indicating whether to continue receiving the ELR PPDU, where J is a positive integer;

[0186] K bits of a PPDU type and compressed mode (PPDU Type And Compressed Mode) field, for indicating the PPDU type, where K is a positive integer;

[0187] L bits of a user field, for carrying information for demodulating the data part of the ELR PPDU, where L is a positive integer.

[0188] It should be understood that the present application does not limit the positions and lengths of the various fields in the ELR-SIG field, which can be flexibly adjusted according to actual needs, or the positions and lengths of each field are specified by the protocol.

[0189] In some embodiments, the PHY Version Identifier field is used to indicate the physical layer version of the PPDU, e.g., an EHT PPDU, a UHR PPDU, or an ELR PPDU, etc.

[0190] Optionally, A = 3. Optionally, a reserved value (e.g., 2-7) of the A bit is used to indicate that the PPDU is an ELR PPDU. Optionally, the A bit takes a value of 2 to indicate that the PPDU is an ELR PPDU.

[0191] In some embodiments, the Bandwidth field is used to indicate the bandwidth size of the ELR-SIG field, wherein different values of the B bit can be used to indicate different bandwidths of the ELR-SIG field.

[0192] Optionally, B = 3.

[0193] By way of example and not limitation, the correspondence between the values of the Bandwidth field and the bandwidth sizes is as follows:

[0194] 0: 2MHz or 20MHz;

[0195] 1: 4MHz or 40MHz;

[0196] 2: 8MHz or 80MHz;

[0197] 3: 16MHz or 1600MHz;

[0198] 4: 32MHz or 320MHz.

[0199] Optionally, other correspondence between values and bandwidths can also be included, which is not limited in the present application.

[0200] In some embodiments, the transmission direction field (or UL / DL field) is used to indicate whether the ELR PPDU is an uplink PPDU or a downlink PPDU.

[0201] Optionally, C = 1.

[0202] For example, the transmission direction field takes a value of 0 to indicate that the ELR PPDU is a downlink PPDU, and takes a value of 1 to indicate that the ELR PPDU is an uplink PPDU.

[0203] Optionally, the BSS Color field is used to indicate the identifier of the BSS corresponding to the ELR PPDU.

[0204] Optionally, D = 6.

[0205] Optionally, the TXOP field is used to indicate the time length of the TXOP occupied by the ELR PPDU.

[0206] Optionally, the time length set by the TXOP field in the ELR PPDU can be greater than the time length set by the TXOP field in the UHR PPDU, so as to support the ELR PPDU to transmit a farther distance.

[0207] Optionally, E=7.

[0208] Optionally, F=6, G=16.

[0209] Optionally, the CRC field is used to indicate the CRC of the fields before the CRC field in the ELR preamble field (i.e. including the PHYVersion Identifier field, Bandwidth field, UL / DL field, BSS Color field, TXOP field, first ignored field, second ignored field).

[0210] Optionally, H=4.

[0211] Optionally, the Tail field is used to relay the trellis in the convolutional decoder. Optionally, I=6.

[0212] Optionally, J=1.

[0213] Optionally, the PPDU Type And Compressed Mode field is used to indicate the PPDU type, such as TB, or SU or MU. Optionally, K=2.

[0214] Optionally, the User field includes information used to demodulate the data part of the ELR PPDU. Optionally, L=22.

[0215] In some embodiments, the User field includes at least one of the following fields:

[0216] a user identification (STA-ID) field, a MCS field, a number of spatial streams (NSS) field, a beamformed field, a coding field, a reserved field.

[0217] Optionally, the STA-ID field can be set as the STA-ID of the transmitting device of the ELR PPDU.

[0218] Optionally, the STA-ID field can be 11 bits.

[0219] Optionally, the MCS field is used to indicate the MCS used by the ELR PPDU.

[0220] Optionally, the MCS field can be 4 bits.

[0221] In some cases, if the STA-ID field is not equal to 2046, the MCS field indicates the following modulation and coding scheme: set to ELR-MCS n, where n = 0, 1, 2.

[0222] In some cases, if the STA-ID field is equal to 2046, the MCS field can be set to any value.

[0223] If the UL / DL field of the ELR-SIG field is set to 0:

[0224] If the value of the STA-ID field matches the user's STA-ID, the value of EHT-MCS 14 or EHT-MCS 15 is verified without satisfying the conditions described in 36.1.1.

[0225] If the value of the STA-ID field does not match the user's STA-ID, all values are ignored.

[0226] If the UL / DL field of the ELR-SIG field is set to 1, the value of EHT-MCS 14 or EHT-MCS 15 is verified without satisfying the conditions described in 36.1.1.

[0227] It should be noted that for ELR PPDUs, the value of the MCS field is usually set to a smaller value than UHR PPDUs. This means that in ELR mode, a lower MCS can be used to cover a longer distance, at the expense of throughput to increase the transmission distance of the signal.

[0228] Optionally, the NSS field is used to indicate the NSS used by the ELR PPDU.

[0229] Optionally, the NSS field can be 4 bits.

[0230] Optionally, the NSS field is set to the number of spatial streams minus one.

[0231] Optionally, if the STA-ID field is equal to 2046, it is set to any value.

[0232] Optionally, in the case where the UL / DL field of the ELR-SIG field is set to 0, if the value of the STA-ID field matches the user's STA-ID, the value indicating more than eight spatial streams is valid; if the value of the STA-ID field does not match the user's STA-ID, all values are ignored. If the UL / DL field of the ELR-SIG field is set to 1, the value indicating more than eight spatial streams is valid.

[0233] where a spatial stream refers to the number of independent data streams that can be used simultaneously in the transmission of wireless signals. In wireless communication, increasing the number of spatial streams can improve the throughput of data transmission, but also increases the complexity of the system and the requirements for hardware. If the STA-ID matches the user's STA-ID and the UL / DL field is set to 0 or 1, the system may accept and validate values indicating more than eight spatial streams, which usually means that the device supports advanced multi-antenna technology to achieve higher data transmission rates. However, if the STA-ID does not match, all values are ignored because the information is not applicable to the current user.

[0234] Optionally, the Beamformed field is used to indicate that beamforming is transmitted.

[0235] Optionally, the Beamformed field can be 1 bit.

[0236] Optionally, if the STA-ID field is not 2046 (which can be a special reserved value or a broadcast identifier), the Beamformed field is used to indicate that beamforming is transmitted.

[0237] If beamforming steering matrices are applied to the waveform in non-Multi-User Multiple-Input Multiple-Output (MU-MIMO) allocation, it is set to 1. Otherwise, it is set to 0.

[0238] If the STA-ID field is 2046, the Beamformed field is set to any value.

[0239] where beamforming is a signal processing technique used to concentrate the energy direction of wireless signals by adjusting the elements in the antenna array, thereby enhancing signal strength and reducing interference. In MIMO systems, beamforming can be used to improve the reliability and efficiency of data transmission. In non-MU-MIMO allocation, beamforming is usually used to improve the reception performance of a single user (i.e., STA). If the STA indicated by the STA-ID field is the target of the current communication and a beamforming steering matrix is used, the Beamformed field will be set to 1 to indicate that beamforming technology is applied. If beamforming is not applied or the STA-ID field is 2046, the value of the Beamformed field will be different.

[0240] Optionally, if the STA-ID field is not equal to 2046, the Coding field indicates whether to use Block Check Character (BCC) or Low Density Parity Check Code (LDPC). For example, setting to 0 means using BCC. Setting to 1 means using LDPC. If the STA-ID field is 2046, it is set to any value.

[0241] If the UL / DL field of the ELR-SIG field is set to 0 and the value of the STA-ID field does not match the user's STA-ID, all values are disregarded.

[0242] BCC and LDPC are two different channel coding techniques used to increase the reliability of data transmission in wireless communication. BCC is a simpler encoding method suitable for some scenarios where complexity is required. LDPC is a more powerful encoding method that can provide higher coding gain, but also has higher computational complexity. Through the STA-ID subfield, the system can indicate which encoding technique has been selected for a specific communication session. However, if the STA-ID does not match or the UL / DL field of the ELR-SIG field is set to a specific value (e.g., 0), these indications may not apply to the current user device, so all related values will be disregarded.

[0243] Optionally, the Coding field can be 1 bit.

[0244] Optionally, the reserved field can be 1 bit.

[0245] Optionally, the reserved field can be set to 1.

[0246] Optionally, in the case where the UL / DL field of the ELR-SIG field is set to 0, if the value of the STA-ID field matches the user's STA-ID, the reserved field is Validate. This means that when UL / DL indicates uplink (UL) or downlink (DL) and the STA-ID matches, the information or status contained in the reserved field is considered valid for the current user device. If the value of the STA-ID field does not match the user's STA-ID, the reserved field is disregarded. This indicates that if the STA-ID does not match, any information or status in the reserved field is not applicable to the current user device, so it does not need to be further processed.

[0247] Optionally, if the UL / DL field of the ELR-SIG field is set to 1, the reserved field is validated. This means that the reserved field is considered to be valid regardless of the value of the STA-ID, as long as the ELR-SIG indicates another direction (possibly another communication mode or state).

[0248] In some embodiments, the ELR PPDU can further include a legacy preamble field and a data field.

[0249] Optionally, the legacy preamble field can include at least one of the following fields:

[0250] a legacy short training field (L-STF);

[0251] a legacy long training field (L-LTF);

[0252] a legacy signal field (L-SIG);

[0253] a repeated L-SIG (RL-SIG) which is a repetition of the L-SIG;

[0254] a universal signal field (U-SIG).

[0255] In some embodiments of the present application, the first configuration information can be determined by the transmitting device.

[0256] For example, at least one set of configuration information can be pre-configured on the transmitting device, and the transmitting device can select target configuration information (i.e., the first configuration information) from the at least one set of configuration information, and further use the target configuration information for transmission of the ELR PPDU.

[0257] In some specific embodiments, the at least one set of configuration information includes multiple sets of configuration information, and each set of configuration information can be applicable to different application scenarios, for example, for different transmission distances or coverage ranges. In this way, the transmitting device selects appropriate configuration information according to the actual application scenario for transmission of the ELR PPDU, which is conducive to meeting the transmission requirements of the application scenario and improving resource utilization efficiency.

[0258] In some embodiments of the present application, the at least one set of configuration information includes first configuration information and second configuration information, which are respectively used for the first transmission distance and the second transmission distance, wherein the first transmission distance is greater than the second transmission distance. Optionally, the time domain length of the ELR-SIG field in the first configuration information is greater than the time domain length of the ELR-SIG field in the second configuration information. Optionally, the number of the ELR-SIG fields repeated in the time domain in the first configuration information is greater than the number of the ELR-SIG fields repeated in the time domain in the second configuration information. Optionally, the bandwidth of the ELR-SIG field in the first configuration information is greater than the bandwidth of the ELR-SIG field in the second configuration information. Optionally, the number of the ELR-SIG fields repeated in the frequency domain in the first configuration information is greater than the number of the ELR-SIG fields repeated in the frequency domain in the second configuration information.

[0259] In some other embodiments of the present application, the first configuration information can also be configured or indicated by the receiving end device to the sending end device, or the first configuration information can also be predefined, or part of the configuration information is predefined or default, and the other configuration information is determined by the sending end device or configured or indicated by the receiving end device.

[0260] In some embodiments, the method 200 further includes:

[0261] The sending end device receives the first configuration information from the receiving end device.

[0262] For example, the sending end device is a station device, and the receiving end device is an access point device. The access point device can send the first configuration information to the station device for the station device to perform the sending of the ELR PPDU.

[0263] Optionally, the access point device can send the first configuration information to the station device through a trigger frame, wherein the trigger frame is used to trigger the sending of the ELR PPDU.

[0264] In some other embodiments, the method 200 further includes:

[0265] The sending end device receives first indication information from the receiving end device, and the first indication information is used to indicate the first configuration information.

[0266] For example, at least one set of configuration information can be preconfigured on the sending end device, and the receiving end device can indicate the target configuration information (i.e. the first configuration information) in the at least one set of configuration information to the sending end device, i.e. indicate which set of configuration information in the at least one set of configuration information is used for the sending end device to perform the sending of the ELR PPDU.

[0267] Optionally, each of the at least one set of configuration information corresponds to a configuration index, and the first indication information can indicate the configuration index, so that the sending end device can learn which set of configuration information is used for sending the ELR PPDU according to the configuration index.

[0268] In some embodiments, the at least one set of configuration information includes multiple sets of configuration information, and each set of configuration information can be applicable to different application scenarios, for example, for different transmission distances or coverage ranges, so that the receiving end device configures the sending end device with appropriate configuration information according to the actual application scenario for transmission of the ELR PPDU, which is conducive to meeting the transmission requirements of the application scenario and improving resource utilization efficiency. Optionally, the specific implementation of the multiple sets of configuration information is described in the foregoing embodiments, and details are not repeated here for brevity.

[0269] In some embodiments of the present application, the method 200 further includes:

[0270] The receiving end device sends second indication information and part of the configuration information in the first configuration information to the sending end device, wherein the second indication information is used to indicate other configuration information in the first configuration information.

[0271] That is, part of the configuration information in the first configuration information can be configured by the receiving end device, and other configuration information can be indicated by the receiving end device. For example, the basic configuration in the first configuration information can be indicated by the receiving end device, and the flexible configuration (or dynamic configuration) in the first configuration information can be configured by the receiving end device.

[0272] For example, at least one set of basic configuration can be preconfigured on the sending end device, and the receiving end device can indicate a target basic configuration in the at least one set of basic configuration to the sending end device through the second indication information. For example, each set of basic configuration corresponds to a configuration index, and the second indication information can indicate the configuration index corresponding to the target basic configuration.

[0273] Optionally, the basic configuration can include but is not limited to at least one of the following:

[0274] Modulation and coding configuration, modulation configuration, spatial stream number configuration.

[0275] Optionally, the modulation and coding configuration in the basic configuration can be used to configure MCS corresponding to a low-order modulation mode, for example, MCS0, MCS1 or MCS2.

[0276] Optionally, the modulation configuration in the basic configuration can be used to configure a low-order modulation mode, for example, BPSK, QBPSK, etc.

[0277] Optionally, the number of spatial streams in the basic configuration can be configured to be 1 or 2, etc.

[0278] Optionally, the flexible configuration can include, but is not limited to, at least one of the following:

[0279] Bandwidth configuration, time domain configuration, frequency domain configuration, power configuration.

[0280] Optionally, different flexible configurations can be used for different application scenarios, such as for different transmission distances or coverage ranges. The receiving end device dynamically adjusts the flexible configuration used by the sending end device to send the ELR PPDU according to different application scenarios, which is beneficial to meet the transmission requirements of different application scenarios and improve resource utilization efficiency.

[0281] In some embodiments of the present application, the method 200 further includes:

[0282] The sending end device receives third indication information from the receiving end device, the third indication information being used to indicate whether to send or receive the ELR PPDU.

[0283] Optionally, in the case where the third indication information indicates to send or receive the ELR PPDU, the sending end device can use a default configuration or a preset configuration to send the ELR PPDU, i.e., the first configuration information can be the default configuration or the preset configuration. Optionally, the third indication information can be 1 bit, and different values of the 1 bit are respectively used to indicate to send or receive the ELR PPDU, or not to send or not to receive the ELR PPDU.

[0284] Optionally, the sending end device pre-stores at least one set of configurations, and the default configuration can be the first set of configurations in the at least one set of configurations. For example, each set of configurations corresponds to a configuration index, and the default configuration can be the configuration with the smallest index or the configuration with the largest index.

[0285] Optionally, the default configuration can be used to configure the sending end device to use a specific modulation method (such as BPSK or QBPSK) to send the ELR PPDU, or to use a specific MCS (such as MCS0, MCS1 or MCS2) to send the ELR PPDU, or to use a specific time domain configuration (such as a specific number of repeated transmissions, such as 2 or 4), or to use a specific frequency domain configuration (such as a specific number of repeated transmissions, such as 2 or 4), or to use a power enhancement method to enhance power by default, or to use the foregoing configuration to send the ELR PPDU by default.

[0286] Optionally, in a case that the third indication information indicates to send or receive the ELR PPDU, the receiving end device can send the first configuration information to the sending end device, or send part of the configuration information in the first configuration information.

[0287] Optionally, in a case that the third indication information indicates not to send or receive the ELR PPDU, the receiving end device does not send the first configuration information to the sending end device. In some embodiments of the present disclosure, the method 200 further comprises:

[0288] The sending end device receives the third indication information and the second indication information from the receiving end device.

[0289] Correspondingly, the receiving end device sends the third indication information and the second indication information to the sending end device.

[0290] The third indication information is used to indicate whether to send or receive the ELR PPDU, in a case that the third indication information indicates to send or receive the ELR PPDU, part of the configuration information in the first configuration information is a default configuration, and the second indication information is used to indicate other configuration information in the first configuration information.

[0291] That is, the receiving end device can indicate to the sending end device whether to send or receive the ELR PPDU, in a case that the receiving end device indicates to send or receive the ELR PPDU, the sending end device can use a default configuration for part of the configuration information in the first configuration information, and other configuration information can be indicated by the receiving end device to the sending end device.

[0292] Optionally, the part of the configuration information can be a basic configuration in the first configuration information, for example, including but not limited to at least one of the following: modulation and coding configuration, modulation configuration, spatial stream number configuration.

[0293] Optionally, the other configuration information can be a flexible configuration in the first configuration information, for example, including but not limited to at least one of the following: bandwidth configuration, time domain configuration, frequency domain configuration, power configuration.

[0294] For example, different flexible configurations can correspond to different time domain lengths of the ELR-SIG field, and / or the number of repeated ELR-SIG fields in the time domain (i.e. the number of repeated transmissions of the ELR-SIG field in the time domain), and / or different bandwidths of the ELR-SIG field, and / or the number of repeated ELR-SIG fields in the frequency domain (i.e. the number of repeated transmissions of the ELR-SIG field in the frequency domain), and / or the transmission power of the ELR preamble field.

[0295] Optionally, different flexible configurations can be used for different application scenarios, for example, for different transmission distances or coverage ranges, and the receiving end device dynamically adjusts the flexible configuration used by the sending end device to send the ELR PPDU according to different application scenarios, which is beneficial to meet the transmission requirements of different application scenarios and improve resource utilization efficiency.

[0296] For example, there are a first flexible configuration and a second flexible configuration for a first transmission distance and a second transmission distance, respectively, where the first transmission distance is greater than the second transmission distance. Optionally, the time domain length of the ELR-SIG field in the first flexible configuration is greater than the time domain length of the ELR-SIG field in the second flexible configuration. Optionally, the number of ELR-SIG fields repeated in the time domain in the first flexible configuration is greater than the number of ELR-SIG fields repeated in the time domain in the second flexible configuration. Optionally, the bandwidth of the ELR-SIG field in the first flexible configuration is greater than the bandwidth of the ELR-SIG field in the second flexible configuration. Optionally, the number of ELR-SIG fields repeated in the frequency domain in the first flexible configuration is greater than the number of ELR-SIG fields repeated in the frequency domain in the second flexible configuration. Optionally, the transmission power of the ELR preamble field in the first flexible configuration is greater than the transmission power of the ELR preamble field in the second flexible configuration.

[0297] Optionally, the sending end device can pre-store at least one set of basic configurations, and in the case that the third indication information indicates to send or receive the ELR PPDU, the sending end device uses a default basic configuration in the at least one set of basic configurations.

[0298] Optionally, each set of basic configurations in the at least one set of basic configurations corresponds to a configuration index, and the default basic configuration can be a set of configurations with the smallest or largest index.

[0299] Optionally, at least one set of flexible configurations can be pre-stored on the sending end device, and optionally, each set of flexible configurations corresponds to a configuration index. In the case that the third indication information indicates to send or receive the ELR PPDU, the receiving end device can indicate a target flexible configuration in the at least one set of flexible configurations, for example, the second indication information can indicate the configuration index corresponding to the target flexible configuration.

[0300] In some embodiments of the present application, the method 200 further includes:

[0301] The sending end device receives third indication information and other configuration information in the first configuration information from the receiving end device. Correspondingly, the receiving end device sends the third indication information and the other configuration information in the first configuration information to the sending end device.

[0302] The third indication information is used for indicating whether to send or receive the ELR PPDU, and in a case where the third indication information indicates to send or receive the ELR PPDU, part of the first configuration information is a default configuration.

[0303] That is, the receiving end device can indicate to the sending end device whether to send or receive the ELR PPDU, and in a case where it is indicated to send or receive the ELR PPDU, the sending end device can use a default configuration for part of the first configuration information, and other configuration information can be configured by the receiving end device to the sending end device.

[0304] Optionally, the part of the configuration information can be basic configuration in the first configuration information, for example, including but not limited to at least one of the following: modulation and coding configuration, modulation configuration, spatial stream number configuration.

[0305] Optionally, the other configuration information can be flexible configuration in the first configuration information, for example, including but not limited to at least one of the following: bandwidth configuration, time domain configuration, frequency domain configuration, power configuration.

[0306] Optionally, different flexible configurations can be used for different application scenarios, for example, for different transmission distances or coverage ranges, and the receiving end device dynamically adjusts the flexible configuration used by the sending end device to send the ELR PPDU according to different application scenarios, which is beneficial to meet the transmission requirements of different application scenarios and improve resource utilization efficiency.

[0307] Optionally, the sending end device can pre-store at least one set of basic configuration, and in a case where the third indication information indicates to send or receive the ELR PPDU, the sending end device uses a default basic configuration in the at least one set of basic configuration.

[0308] Optionally, each set of basic configuration in the at least one set of basic configuration corresponds to a configuration index, and the default basic configuration can be a set of configuration with the smallest or largest index.

[0309] In summary, in the embodiments of the present application, the sending end device can perform transmission of the ELR PPDU according to the first configuration information, wherein the ELR PPDU includes an ELR preamble field, the ELR preamble field includes an extended long distance signal ELR-SIG field, and the first configuration information includes at least one of time domain configuration of the ELR-SIG field, frequency domain configuration of the ELR-SIG field, power configuration of the ELR preamble field, modulation configuration of the ELR preamble field, modulation and coding configuration of the ELR preamble field, and content configuration of the ELR-SIG field, which is beneficial to increase the coverage range of the ELR PPDU and extend the signal transmission distance.

[0310] The aboveFigures 2 to 9 The method embodiments of the present application are described in detail below, and the following Figures 10 to 14 The device embodiments of the present application are described in detail below, and it should be understood that the device embodiments correspond to the method embodiments, and similar descriptions can be referred to the method embodiments.

[0311] Figure 10 A schematic block diagram of a communication device 500 according to an embodiment of the present application is shown. The communication device 500 can be a sending end device, or a component in the sending end device, such as a chip, a circuit or a module, etc.

[0312] As shown in Figure 10 , the communication device 500 includes:

[0313] The sending module 510 is configured to send an extended long range physical layer protocol data unit (ELR PPDU) according to first configuration information, wherein the ELR PPDU includes an ELR preamble field, and the ELR preamble field includes an extended long range signal (ELR-SIG) field, and the first configuration information includes at least one of the following:

[0314] a time domain configuration of the ELR-SIG field;

[0315] a frequency domain configuration of the ELR-SIG field;

[0316] a power configuration of the ELR preamble field;

[0317] a modulation configuration of the ELR preamble field;

[0318] a modulation and coding configuration of the ELR preamble field;

[0319] a content configuration of the ELR-SIG field.

[0320] In some embodiments, the time domain configuration of the ELR-SIG field is configured to configure at least one of the following:

[0321] a time domain length of the ELR-SIG field in the ELR preamble field;

[0322] a number of the ELR-SIG fields repeated in the time domain in the ELR preamble field;

[0323] a number of orthogonal frequency division multiplexing (OFDM) symbols in the ELR-SIG field repeated in the time domain in the ELR preamble field;

[0324] a maximum repetition number N max supported by the ELR-SIG field in the time domain in the ELR preamble field.

[0325] A maximum repetition number N supported by the OFDM symbols in the ELR-SIG field in the ELR preamble field in the time domain max ;

[0326] A combination of a time domain length and a guard interval length supported by the ELR-SIG field in the ELR preamble field.

[0327] In some embodiments, a time domain length of the ELR-SIG field in the ELR preamble field is an integer multiple of X microseconds, where X is a positive number; or

[0328] A time domain length of the OFDM symbols in the ELR-SIG field in the ELR preamble field is an integer multiple of X microseconds, where X is a positive number; or

[0329] A time domain length of the ELR-SIG field in the ELR preamble field is an integer multiple of Y orthogonal frequency division multiplexing, OFDM, symbols, where Y is a positive integer.

[0330] In some embodiments, the ELR preamble field includes N ELR-SIG fields repeated in the time domain, where N is a positive integer greater than 1; or

[0331] The ELR preamble field includes N groups of OFDM symbols repeated in the time domain in the ELR-SIG fields, where N is a positive integer greater than 1, and each group of OFDM symbols includes at least one OFDM symbol.

[0332] In some embodiments, a maximum value of N is N max , where N max is a positive integer greater than 1.

[0333] In some embodiments, a frequency domain configuration of the ELR-SIG field is configured to configure at least one of:

[0334] A bandwidth of the ELR-SIG field in the ELR preamble field;

[0335] A number of the ELR-SIG fields repeated in the frequency domain in the ELR preamble field;

[0336] A number of frequency bands in the ELR-SIG fields repeated in the frequency domain in the ELR preamble field;

[0337] A maximum repetition number M supported by the frequency bands in the ELR-SIG field in the ELR preamble field in the frequency domain max ;

[0338] A maximum repetition number M supported by the frequency bands in the ELR-SIG field in the ELR preamble field in the frequency domain max .

[0339] In some embodiments, a bandwidth of the ELR-SIG field in the ELR preamble field is an integer multiple of P MHz, where P is a positive integer; or

[0340] A bandwidth of the ELR-SIG field in the ELR preamble field is an integer multiple of Q resource units (RUs), where Q is a positive integer.

[0341] In some embodiments, the ELR preamble field includes M ELR-SIG fields repeated in frequency domain, where M is a positive integer greater than 1; or

[0342] The ELR preamble field includes a frequency band within M ELR-SIG fields repeated in frequency domain, where M is a positive integer greater than 1.

[0343] In some embodiments, a maximum value of M is M max , where M max is a positive integer greater than 1.

[0344] In some embodiments, a power configuration of the ELR preamble field is configured to configure the transmitting device to perform transmit power boosting using a power boosting method for the ELR preamble field.

[0345] In some embodiments, a modulation configuration of the ELR preamble field is configured to configure the transmitting device to modulate the ELR-SIG field using a binary phase shift keying (BPSK) or a quadrature binary phase shift keying (QBPSK) method.

[0346] In some embodiments, a modulation and coding configuration of the ELR preamble field is configured to configure the transmitting device to modulate and encode the ELR-SIG field using one of modulation and coding schemes (MCSs) 0, 1 and 2.

[0347] In some embodiments, a content of the ELR-SIG field is configured to configure the ELR-SIG field to include at least one of:

[0348] A physical layer version identification field of A bits, where A is a positive integer;

[0349] A bandwidth field of B bits, where B is a positive integer;

[0350] A transmission direction field of C bits, configured to indicate that the ELR PPDU is an uplink PPDU or a downlink PPDU, where C is a positive integer;

[0351] A basic service set (BSS) color field of D bits, where D is a positive integer;

[0352] an E-bit transmission opportunity (TXOP) field, wherein E is a positive integer, for indicating a time length of a TXOP;

[0353] an F-bit first ignore field, wherein F is a positive integer;

[0354] an G-bit second ignore field, wherein G is a positive integer;

[0355] an H-bit cyclic redundancy check (CRC) field, wherein H is a positive integer, for indicating a CRC of fields before a CRC field in the ELR preamble field;

[0356] an I-bit tail field, wherein I is a positive integer, for aborting convolutional decoding;

[0357] a J-bit verification field, wherein J is a positive integer, for indicating whether to continue receiving the ELR PPDU;

[0358] a K-bit PPDU type and compression mode field, wherein K is a positive integer, for indicating a PPDU type;

[0359] an L-bit user field, wherein L is a positive integer, for carrying information for demodulating a data part of the ELR PPDU.

[0360] In some embodiments, the user field comprises at least one of the following fields:

[0361] a user identification field, a MCS field, a number of spatial streams (NSS) field, a beamforming field, a coding field, and a reserved field.

[0362] In some embodiments, the apparatus 500 further comprises:

[0363] a receiving module configured to receive the first configuration information from a receiving end device.

[0364] In some embodiments, the apparatus 500 further comprises:

[0365] a receiving module configured to receive first indication information from a receiving end device, the first indication information being used to indicate the first configuration information.

[0366] In some embodiments, the apparatus 500 further comprises:

[0367] a receiving module configured to receive second indication information and part of the first configuration information from a receiving end device, the second indication information being used to indicate other configuration information in the first configuration information.

[0368] In some embodiments, the apparatus 500 further comprises:

[0369] The receiving module is configured to receive third indication information from the receiving end device, where the third indication information is used to indicate whether to send or receive the ELR PPDU, and in a case where the third indication information indicates to send or receive the ELR PPDU, the first configuration information is a default configuration.

[0370] In some embodiments, the apparatus 500 further includes:

[0371] The receiving module is configured to receive third indication information and second indication information from the receiving end device, where the third indication information is used to indicate whether to send or receive the ELR PPDU, and in a case where the third indication information indicates to send or receive the ELR PPDU, part of the first configuration information is a default configuration, and the second indication information is used to indicate other configuration information in the first configuration information.

[0372] In some embodiments, the apparatus 500 further includes:

[0373] The receiving module is configured to receive third indication information and other configuration information in the first configuration information from the receiving end device, where the third indication information is used to indicate whether to send or receive the ELR PPDU, and in a case where the third indication information indicates to send or receive the ELR PPDU, part of the first configuration information is a default configuration.

[0374] Optionally, in some embodiments, the sending module or the receiving module can be a communication interface or a transceiver, or an input / output interface of a communication chip or a system on chip. The processing module can be one or more processors.

[0375] It should be understood that the apparatus 500 according to the embodiments of the present application can correspond to the sending end device in the method embodiments of the present application, and the above and other operations and / or functions of each unit in the apparatus 500 are respectively used to implement the corresponding procedures of the sending end device in the embodiments of the present application. For brevity, they will not be described here again. Figures 2 to 9 The above-mentioned sending module or receiving module can be a communication interface or a transceiver, or an input / output interface of a communication chip or a system on chip.

[0376] Figure 11 is a schematic block diagram of another communication apparatus 600 according to the embodiments of the present application. The communication apparatus 600 can be a receiving end device, or a component in the receiving end device, such as a chip, a circuit or a module, etc. Figures 2 to 9 The communication apparatus 600 includes:

[0377] The receiving module 610 is configured to receive an extended long range physical layer protocol data unit (ELR PPDU) according to the first configuration information, wherein the ELR PPDU comprises an ELR preamble field, and the ELR preamble field comprises an extended long range signal (ELR-SIG) field; and the first configuration information comprises at least one of the following:

[0378] a time domain configuration of the ELR-SIG field;

[0379] a frequency domain configuration of the ELR-SIG field;

[0380] a power configuration of the ELR preamble field;

[0381] a modulation configuration of the ELR preamble field;

[0382] a modulation and coding configuration of the ELR preamble field;

[0383] a content configuration of the ELR-SIG field.

[0384] In some embodiments, the time domain configuration of the ELR-SIG field is configured to configure at least one of the following:

[0385] a time domain length of the ELR-SIG field in the ELR preamble field;

[0386] a number of the ELR-SIG fields repeated in the time domain in the ELR preamble field;

[0387] a number of orthogonal frequency division multiplexing (OFDM) symbols in the ELR-SIG field repeated in the time domain in the ELR preamble field;

[0388] a maximum number of repetitions N supported by the ELR-SIG field in the time domain in the ELR preamble field max ;

[0389] a maximum number of repetitions N supported by the OFDM symbol in the ELR-SIG field in the time domain in the ELR preamble field max ;

[0390] a combination of a time domain length and a guard interval length supported by the ELR-SIG field in the ELR preamble field.

[0391] In some embodiments, the time domain length of the ELR-SIG field in the ELR preamble field is an integer multiple of X microseconds, wherein X is a positive number; or

[0392] the time domain length of the OFDM symbol in the ELR-SIG field in the ELR preamble field is an integer multiple of X microseconds, wherein X is a positive number; or

[0393] A time domain length of the ELR-SIG field in the ELR preamble field is an integer multiple of Y orthogonal frequency division multiplexing (OFDM) symbols, where Y is a positive integer.

[0394] In some embodiments, the ELR preamble field includes N ELR-SIG fields repeatedly in time domain, where N is a positive integer greater than 1; or

[0395] The ELR preamble field includes N groups of OFDM symbols repeatedly in time domain within the ELR-SIG fields, where N is a positive integer greater than 1, and each group of OFDM symbols includes at least one OFDM symbol.

[0396] In some embodiments, a maximum value of N is N max , where N max is a positive integer greater than 1.

[0397] In some embodiments, a frequency domain configuration of the ELR-SIG field is configured to configure at least one of the following:

[0398] A bandwidth of the ELR-SIG field in the ELR preamble field;

[0399] A number of the ELR-SIG fields repeatedly in frequency domain in the ELR preamble field;

[0400] A number of frequency bands within the ELR-SIG fields repeatedly in frequency domain in the ELR preamble field;

[0401] A maximum number of repetitions M max supported in frequency domain by the ELR-SIG field in the ELR preamble field;

[0402] A maximum number of repetitions M max supported in frequency domain by the frequency bands within the ELR-SIG field in the ELR preamble field.

[0403] In some embodiments, a bandwidth of the ELR-SIG field in the ELR preamble field is an integer multiple of P MHz, where P is a positive integer; or

[0404] A bandwidth of the ELR-SIG field in the ELR preamble field is an integer multiple of Q resource units (RUs), where Q is a positive integer.

[0405] In some embodiments, the ELR preamble field includes M ELR-SIG fields repeatedly in frequency domain, where M is a positive integer greater than 1; or

[0406] The ELR preamble field includes M frequency bands repeatedly in frequency domain within the ELR-SIG fields, where M is a positive integer greater than 1.

[0407] In some embodiments, the maximum value of M is M max , M max is a positive integer greater than 1.

[0408] In some embodiments, the power configuration of the ELR preamble field is configured to configure the ELR preamble field to use power boosting for transmission power boosting.

[0409] In some embodiments, the modulation configuration of the ELR preamble field is configured to configure the transmitting device to modulate the ELR-SIG field using binary phase shift keying (BPSK) or quadrature binary phase shift keying (QBPSK).

[0410] In some embodiments, the modulation and coding configuration of the ELR preamble field is configured to configure the transmitting device to modulate and encode the ELR-SIG field using one of modulation and coding schemes (MCS) 0, 1 and 2.

[0411] In some embodiments, the content of the ELR-SIG field is configured to configure the ELR-SIG field to include at least one of:

[0412] A bits of a physical layer version identification field, where A is a positive integer;

[0413] B bits of a bandwidth field, where B is a positive integer;

[0414] C bits of a transmission direction field, used to indicate whether the ELR PPDU is an uplink PPDU or a downlink PPDU, where C is a positive integer;

[0415] D bits of a basic service set (BSS) color field, where D is a positive integer;

[0416] E bits of a transmission opportunity (TXOP) field, used to indicate the length of time of a TXOP, where E is a positive integer;

[0417] F bits of a first ignore field, where F is a positive integer;

[0418] G bits of a second ignore field, where G is a positive integer;

[0419] H bits of a cyclic redundancy check (CRC) field, used to indicate the CRC of the fields before the CRC field in the ELR preamble field, where H is a positive integer;

[0420] I bits of a tail field, used to abort convolutional decoding, where I is a positive integer;

[0421] a verification field of J bits, used to indicate whether to continue receiving the ELR PPDU, wherein J is a positive integer;

[0422] a PPDU type and compression mode field of K bits, used to indicate a PPDU type, wherein K is a positive integer;

[0423] a user field of L bits, used to carry information for demodulating a data part of the ELR PPDU, wherein L is a positive integer.

[0424] In some embodiments, the user field comprises at least one of the following fields:

[0425] a user identification field, an MCS field, a number of spatial streams NSS field, a beamforming field, an encoding field, and a reserved field.

[0426] In some embodiments, the apparatus 500 further comprises:

[0427] a sending module, configured to send the first configuration information to the sending-end device.

[0428] In some embodiments, the apparatus 500 further comprises:

[0429] a sending module, configured to send first indication information to the sending-end device, the first indication information being used to indicate the first configuration information.

[0430] In some embodiments, the apparatus 500 further comprises:

[0431] a sending module, configured to send second indication information and part of the first configuration information to the sending-end device, wherein the second indication information is used to indicate other configuration information in the first configuration information.

[0432] In some embodiments, the apparatus 500 further comprises:

[0433] a sending module, configured to send third indication information to the sending-end device, wherein the third indication information is used to indicate whether to send or receive an ELR PPDU, and in a case where the third indication information indicates to send or receive an ELR PPDU, the first configuration information is a default configuration.

[0434] In some embodiments, the apparatus 500 further comprises:

[0435] The sending module is used to send third indication information and second indication information to the sending end device. The third indication information is used to indicate whether to send or receive an ELR PPDU. When the third indication information indicates to send or receive an ELR PPDU, some configuration information in the first configuration information is the default configuration. The second indication information is used to indicate other configuration information in the first configuration information.

[0436] In some embodiments, the device 500 further includes:

[0437] The sending module is used to send third indication information and other configuration information in the first configuration information to the sending end device. The third indication information is used to indicate whether to send or receive an ELR PPDU. When the third indication information indicates to send or receive an ELR PPDU, some configuration information in the first configuration information is the default configuration.

[0438] Optionally, in some embodiments, the aforementioned transmitting or receiving module may be a communication interface or transceiver, or an input / output interface of a communication chip or system-on-a-chip.

[0439] It should be understood that the apparatus 600 according to the embodiments of this application may correspond to the receiving end device in the method embodiments of this application, and the above and other operations and / or functions of each unit in the apparatus 600 are respectively for implementing Figure 12 The corresponding process of the receiving device in the method embodiment shown will not be described in detail here for the sake of simplicity.

[0440] Figure 12 This is a schematic structural diagram of a communication device 700 provided in an embodiment of this application. Figure 12 The communication device 700 shown includes a processor 710, which can call and run computer programs from memory to implement the methods in the embodiments of this application.

[0441] Optionally, such as Figure 12 As shown, the communication device 700 may further include a memory 720. The processor 710 can call and run a computer program from the memory 720 to implement the methods in the embodiments of this application. For example, when the communication device 700 is a transmitting device, the processor 710 can call and run a computer program from the memory 720 to implement the various steps of the method embodiments executed by the transmitting device, achieving the same technical effect. When the communication device 700 is a receiving device, the processor 710 can call and run a computer program from the memory 720 to implement the various steps of the method embodiments executed by the receiving device, achieving the same technical effect.

[0442] Optionally, the memory 720 can be a separate device independent of the processor 710, or can be integrated in the processor 710.

[0443] Optionally, as shown in FIG. 7, the communication device 700 can further include a transceiver 730, which can be controlled by the processor 710 to communicate with other devices, specifically, to send information or data to other devices, or to receive information or data sent by other devices. Figure 13

[0444] Optionally, the transceiver 730 can include a transmitter and a receiver. The transceiver 730 can further include an antenna, and the number of antennas can be one or more.

[0445] Figure 13 FIG. 8 is a schematic structural diagram of a chip according to an embodiment of the present application. Figure 13 As shown in FIG. 8, the chip 800 includes a processor 810, which can invoke and run a computer program from a memory to implement the method in the embodiments of the present application.

[0446] Optionally, as shown in FIG. 8, the chip 800 can further include a memory 820. The processor 810 can invoke and run a computer program from the memory 820 to implement the method in the embodiments of the present application. Figure 14

[0447] Optionally, the memory 820 can be a separate device independent of the processor 810, or can be integrated in the processor 810.

[0448] Optionally, the chip 800 can further include an input interface 830. The processor 810 can control the input interface 830 to communicate with other devices or chips, for example, to obtain information or data sent by other devices or chips.

[0449] Optionally, the chip 800 can further include an output interface 840. The processor 810 can control the output interface 840 to communicate with other devices or chips, for example, to output information or data to other devices or chips.

[0450] Optionally, the chip can be applied to the sending end device in the embodiments of the present application, and the chip can implement the corresponding processes realized by the sending end device in the various methods of the embodiments of the present application. For the sake of brevity, details are not repeated here.

[0451] Optionally, the chip can be applied to the receiving end device in the embodiments of the present application, and the chip can implement the corresponding processes realized by the receiving end device in the various methods of the embodiments of the present application. For the sake of brevity, details are not repeated here.

[0452] ​​It should be understood that the chip mentioned in the embodiments of the present application can also be referred to as a system chip, a system chip, a chip system or a system on chip, etc.

[0453] Figure 14 is a schematic block diagram of a communication system 900 provided by the embodiments of the present application. As shown in the figure, the communication system 900 includes a sending end device 910 and a receiving end device 920. ​

[0454] The sending end device 910 can be used to implement the corresponding functions of the sending end device in the above method, and the receiving end device 920 can be used to implement the corresponding functions of the receiving end device in the above method. For the sake of brevity, it will not be repeated here.

[0455] It should be understood that the processor of the embodiments of the present application can be an integrated circuit chip with signal processing capability. In the implementation process, each step of the above method embodiment can be completed by integrated logic circuits or instructions in the form of software in the processor. The processor mentioned above can be a general processor, a digital signal processor (Digital Signal Processor, DSP), an application specific integrated circuit (Application Specific Integrated Circuit, ASIC), a ready programmable gate array (Field Programmable Gate Array, FPGA) or other programmable logic device, discrete gate or transistor logic device, discrete hardware component. The disclosed methods, steps and logic block diagrams in the embodiments of the present application can be implemented or executed. The general processor can be a microprocessor or the processor can also be any conventional processor. The steps of the method disclosed in combination with the embodiments of the present application can be directly embodied as hardware code processor execution, or executed by hardware and software module combination in the code processor. The software module can be located in the random access memory, flash memory, read only memory, programmable read only memory or electrically erasable programmable memory, register, etc. The storage medium is mature in the art. The storage medium is located in the memory, and the processor reads the information in the memory, and combines the hardware to complete the steps of the above method.

[0456] ​It is to be understood that the memory in the embodiments of the present application can be a volatile memory or a nonvolatile memory, or can include both volatile and nonvolatile memory. Among them, the nonvolatile memory can be a read-only memory (Read-Only Memory, ROM), a programmable read-only memory (Programmable ROM, PROM), an erasable programmable read-only memory (Erasable PROM, EPROM), an electrically erasable programmable read-only memory (Electrically EPROM, EEPROM) or a flash memory. The volatile memory can be a random access memory (Random Access Memory, RAM) used as an external cache. By way of example, but not limitation, many forms of RAM are available, such as static random access memory (Static RAM, SRAM), dynamic random access memory (Dynamic RAM, DRAM), synchronous dynamic random access memory (Synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (Double Data Rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (Enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (Synchlink DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM). It should be noted that the memory of the system and method described herein is intended to include, but not limited to, these and any other suitable types of memory.

[0457] It should be understood that the above-mentioned memory is exemplary but not limiting, for example, the memory in the embodiments of the present application can also be static random access memory (static RAM, SRAM), dynamic random access memory (dynamic RAM, DRAM), synchronous dynamic random access memory (synchronous DRAM, SDRAM), double data rate synchronous dynamic random access memory (double data rate SDRAM, DDR SDRAM), enhanced synchronous dynamic random access memory (enhanced SDRAM, ESDRAM), synchronous link dynamic random access memory (synch link DRAM, SLDRAM) and direct memory bus random access memory (Direct Rambus RAM, DR RAM) and the like. That is, the memory in the embodiments of the present application is intended to include, but not limited to, these and any other suitable types of memory.

[0458] The embodiment of the present application further provides a readable storage medium, and the readable storage medium stores a computer program.

[0459] Optionally, the readable storage medium can be applied to the sending end device in the embodiment of the present application, and the computer program causes the processor to execute the corresponding process realized by the sending end device in the method embodiment of the present application. To avoid repetition, details are not described herein.

[0460] Optionally, the readable storage medium can be applied to the receiving end device in the embodiment of the present application, and the computer program causes the processor to execute the corresponding process realized by the receiving end device in the method embodiment of the present application. To avoid repetition, details are not described herein.

[0461] The embodiment of the present application further provides a computer program product, which comprises a computer program, and the computer program is executed by a processor to realize various processes of the above method embodiment.

[0462] Optionally, the computer program product can be applied to the sending end device in the embodiment of the present application, and the computer program causes the processor to execute the corresponding process realized by the sending end device in the method embodiment of the present application. To avoid repetition, details are not described herein.

[0463] Optionally, the computer program product can be applied to the receiving end device in the embodiment of the present application, and the computer program causes the processor to execute the corresponding process realized by the station device in the method embodiment of the present application. To avoid repetition, details are not described herein.

[0464] The embodiment of the present application further provides a computer program. The computer program is executed by a processor to realize various processes of the above method embodiment.

[0465] Optionally, the computer program can be applied to the sending end device in the embodiment of the present application, and the computer program causes the processor to execute the corresponding process realized by the sending end device in the method embodiment of the present application. To avoid repetition, details are not described herein.

[0466] Optionally, the computer program can be applied to the receiving end device in the embodiment of the present application, and the computer program causes the processor to execute the corresponding process realized by the receiving end device in the method embodiment of the present application. To avoid repetition, details are not described herein.

[0467] Those skilled in the art can clearly understand that the units and algorithm steps of each example described in combination with the embodiments disclosed herein can be realized by electronic hardware or a combination of computer software and electronic hardware. Whether the functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Those skilled in the art can use different methods to implement the described functions for each specific application, but such implementation should not be considered beyond the scope of the present application.

[0468] Those skilled in the art can clearly understand that, for the convenience and brevity of the description, the specific working processes of the above-described system, device and unit can refer to the corresponding processes in the foregoing method embodiments, which will not be repeated here.

[0469] In several embodiments provided in the present application, it should be understood that the disclosed system, device and method can be implemented in other ways. For example, the above-described device embodiments are only schematic, for example, the division of the units is only a logical function division, and actual implementation can have another division manner, for example, a plurality of units or components can be combined or integrated into another system, or some features can be ignored or not executed. In addition, the coupling or direct coupling or communication connection between the units shown or discussed can be indirect coupling or communication connection through some interface, device or unit, and can be electrical, mechanical or other forms.

[0470] The units described as separate components can or can not be physically separated, and the components shown as units can or can not be physical units, that is, they can be located in one place, or can be distributed on a plurality of network units. Part or all of the units can be selected according to actual needs to achieve the purpose of the embodiment.

[0471] In addition, each functional unit in each embodiment of the present application can be integrated into a processing unit, or each unit can exist physically, or two or more units can be integrated into one unit.

[0472] If the functions are implemented in the form of software function units and sold or used as independent products, they can be stored in a computer readable storage medium. Based on this understanding, the technical solutions of the present application essentially or the parts that contribute to the prior art or parts of the technical solutions can be embodied in the form of a software product. The computer software product is stored in a storage medium and includes a plurality of 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 the various embodiments of the present application. The aforementioned storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and various media that can store program codes.

[0473] The above is only a specific implementation 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 replacements within the technical scope disclosed in the present application, which should be covered within 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 data transmission method, characterized by, Comprising: The sending end device sends an extended long-range physical layer protocol data unit (ELR PPDU) according to the first configuration information, wherein the ELR PPDU comprises an ELR preamble field, and the ELR preamble field comprises an extended long-range signal (ELR-SIG) field, and wherein the first configuration information comprises at least one of the following: a time domain configuration of the ELR-SIG field; a frequency domain configuration of the ELR-SIG field; a power configuration of the ELR preamble field; a modulation configuration of the ELR preamble field; a modulation and coding configuration of the ELR preamble field; a content configuration of the ELR-SIG field.

2. The method of claim 1, wherein, The time domain configuration of the ELR-SIG field is configured to configure at least one of the following: a time domain length of the ELR-SIG field in the ELR preamble field; a number of ELR-SIG fields repeated in the time domain in the ELR preamble field; a number of orthogonal frequency division multiplexing (OFDM) symbols in the ELR-SIG field repeated in the time domain in the ELR preamble field; The ELR-SIG field in the ELR preamble field supports a maximum number of repetitions N in the time domain max ; The maximum number of repetitions N supported in time domain by OFDM symbols within the ELR-SIG field in the ELR preamble field max ; a combination of a time domain length and a guard interval length supported by the ELR-SIG field in the ELR preamble field.

3. The method according to claim 1 or 2, characterized in that, the time domain length of the ELR-SIG field in the ELR preamble field is an integer multiple of X microseconds, wherein X is a positive number; or the time domain length of the OFDM symbol in the ELR-SIG field in the ELR preamble field is an integer multiple of X microseconds, wherein X is a positive number; or the time domain length of the ELR-SIG field in the ELR preamble field is an integer multiple of Y OFDM symbols, wherein Y is a positive integer.

4. The method according to any one of claims 1-3, characterized in that, the ELR preamble field comprises N ELR-SIG fields repeated in the time domain, wherein N is a positive integer greater than 1; or the ELR preamble field comprises N groups of OFDM symbols repeated in the time domain, wherein N is a positive integer greater than 1, and each group of OFDM symbols comprises at least one OFDM symbol.

5. The method of claim 4, wherein, The maximum value of N is N max , N max is a positive integer greater than 1.

6. The method according to any one of claims 1-5, characterized in that, The frequency domain configuration of the ELR-SIG field is configured to configure at least one of the following: a bandwidth of the ELR-SIG field in the ELR preamble field; a number of ELR-SIG fields repeated in the frequency domain in the ELR preamble field; a number of frequency bands in the ELR-SIG field repeated in the frequency domain in the ELR preamble field; The ELR-SIG field in the ELR preamble field supports a maximum number of repetitions M in the frequency domain max ; The maximum number of repetitions M supported in the frequency domain by the band within the ELR-SIG field in the ELR preamble field max .

7. The method according to any one of claims 1 to 6, characterized in that, the bandwidth of the ELR-SIG field in the ELR preamble field is an integer multiple of P MHz, wherein P is a positive integer; or the bandwidth of the ELR-SIG field in the ELR preamble field is an integer multiple of Q resource units (RUs), wherein Q is a positive integer.

8. The method according to any one of claims 1-7, characterized in that, the ELR preamble field comprises M ELR-SIG fields repeated in the frequency domain, wherein M is a positive integer greater than 1; or the ELR preamble field comprises M frequency bands in the ELR-SIG fields repeated in the frequency domain, wherein M is a positive integer greater than 1.

9. The method according to any one of claims 1-8, characterized in that, The maximum value of M is M max , M max is a positive integer greater than 1.

10. The method according to any one of claims 1-9, characterized in that, The power configuration of the ELR preamble field is configured to configure the ELR preamble field to perform transmit power boosting using a power enhancement mode.

11. The method according to any one of claims 1-10, characterized in that, The modulation configuration of the ELR preamble field is configured to configure the transmitting device to modulate the ELR-SIG field by using a binary phase shift keying (BPSK) or a quadrature binary phase shift keying (QBPSK) mode.

12. The method according to any one of claims 1-11, characterized in that, The modulation and coding configuration of the ELR preamble field is configured to configure the transmitting device to modulate and encode the ELR-SIG field by using one of modulation and coding schemes (MCS0, MCS1, and MCS2).

13. The method according to any one of claims 1-12, characterized in that, The content of the ELR-SIG field is configured to configure the ELR-SIG field to include at least one of the following: A physical layer version identification field of B bits, where A is a positive integer; A bandwidth field of B bits, where B is a positive integer; A transmission direction field of C bits, used to indicate whether the ELR PPDU is an uplink PPDU or a downlink PPDU, where C is a positive integer; A basic service set (BSS) color field of D bits, where D is a positive integer; A transmission opportunity (TXOP) field of E bits, used to indicate the length of the TXOP, where E is a positive integer; A first ignore field of F bits, where F is a positive integer; A second ignore field of G bits, where G is a positive integer; A cyclic redundancy check (CRC) field of H bits, used to indicate the CRC of the fields before the CRC field in the ELR preamble field, where H is a positive integer; A tail field of I bits, used to abort convolutional decoding, where I is a positive integer; A verification field of J bits, used to indicate whether to continue receiving the ELR PPDU, where J is a positive integer; A PPDU type and compression mode field of K bits, used to indicate the PPDU type, where K is a positive integer; A user field of L bits, used to carry information for demodulating a data part of the ELR PPDU, where L is a positive integer.

14. The method of claim 13, wherein, The user field includes at least one of the following fields: a user identification field, a MCS field, a number of spatial streams (NSS) field, a beamforming field, a coding field, and a reserved field.

15. The method of any one of claims 1-14, wherein, The method further includes: The transmitting device receives the first configuration information from the receiving device; or The transmitting device receives first indication information from the receiving device, where the first indication information is used to indicate the first configuration information; or The transmitting device receives second indication information and part of the first configuration information from the receiving device, where the second indication information is used to indicate other configuration information in the first configuration information.

16. The method of any one of claims 1-14, wherein, The method further includes: The transmitting device receives third indication information from the receiving device, where the third indication information is used to indicate whether to transmit or receive the ELR PPDU, and in a case where the third indication information indicates to transmit or receive the ELR PPDU, the first configuration information is a default configuration; or The sending end device receives third indication information and second indication information from the receiving end device, wherein the third indication information is used to indicate whether to send or receive an ELR PPDU, in the case that the third indication information indicates to send or receive an ELR PPDU, part of the configuration information in the first configuration information is a default configuration, and the second indication information is used to indicate other configuration information in the first configuration information; or The sending end device receives third indication information and other configuration information in the first configuration information from the receiving end device, wherein the third indication information is used to indicate whether to send or receive an ELR PPDU, in the case that the third indication information indicates to send or receive an ELR PPDU, part of the configuration information in the first configuration information is a default configuration.

17. A data transmission method, characterized by, Comprise: The receiving end device receives an extended long range physical layer protocol data unit (ELR PPDU) according to the first configuration information, wherein the ELR PPDU comprises an ELR preamble field, and the ELR preamble field comprises an extended long range signal (ELR-SIG) field, wherein the first configuration information comprises at least one of the following: Time domain configuration of the ELR-SIG field; Frequency domain configuration of the ELR-SIG field; Power configuration of the ELR preamble field; Modulation configuration of the ELR preamble field; Modulation and coding configuration of the ELR preamble field; Content configuration of the ELR-SIG field.

18. The method of claim 17, wherein, The time domain configuration of the ELR-SIG field is used to configure at least one of the following: Time domain length of the ELR-SIG field in the ELR preamble field; Number of ELR-SIG fields repeated in the time domain in the ELR preamble field; Number of orthogonal frequency division multiplexing (OFDM) symbols within the ELR-SIG field repeated in the time domain in the ELR preamble field; The ELR-SIG field in the ELR preamble field supports a maximum number of repetitions N in the time domain max ; The maximum number of repetitions N supported in time domain by OFDM symbols within the ELR-SIG field in the ELR preamble field max ; Combination of time domain length and guard interval length supported by the ELR-SIG field in the ELR preamble field.

19. The method of claim 17 or 18, wherein, The time domain length of the ELR-SIG field in the ELR preamble field is an integer multiple of X microseconds, wherein X is a positive number; or The time domain length of the OFDM symbol within the ELR-SIG field in the ELR preamble field is an integer multiple of X microseconds, wherein X is a positive number; or The time domain length of the ELR-SIG field in the ELR preamble field is an integer multiple of Y OFDM symbols, wherein Y is a positive integer.

20. The method of any one of claims 17-19, wherein, The ELR preamble field comprises N ELR-SIG fields repeated in the time domain, and N is a positive integer greater than 1; or The ELR preamble field comprises N groups of OFDM symbols repeated in the time domain, and N is a positive integer greater than 1, each group of OFDM symbols comprising at least one OFDM symbol.

21. The method of claim 20, wherein, N is a maximum value of N max , N max is a positive integer greater than 1.

22. The method of any one of claims 17-21, wherein, The frequency domain configuration of the ELR-SIG field is used to configure at least one of the following: Bandwidth of the ELR-SIG field in the ELR preamble field; Number of ELR-SIG fields repeated in the frequency domain in the ELR preamble field; a number of frequency bands in the ELR-SIG field repeatedly in the frequency domain in the ELR preamble field; The ELR-SIG field in the ELR preamble field supports a maximum number of repetitions M in the frequency domain max ; The maximum number of repetitions M supported in the frequency domain by the band within the ELR-SIG field in the ELR preamble field max .

23. The method of any one of claims 17-22, wherein, a bandwidth of the ELR-SIG field in the ELR preamble field is an integer multiple of P MHz, where P is a positive integer; or a bandwidth of the ELR-SIG field in the ELR preamble field is an integer multiple of Q resource units (RUs), where Q is a positive integer.

24. The method of any one of claims 17-23, wherein, the ELR preamble field includes M ELR-SIG fields repeatedly in the frequency domain, where M is a positive integer greater than 1; or the ELR preamble field includes M frequency bands in the ELR-SIG fields repeatedly in the frequency domain, where M is a positive integer greater than 1.

25. The method of any one of claims 17-24, wherein, The maximum value of M is M max , M max is a positive integer greater than 1.

26. The method of any one of claims 17-25, wherein, a power configuration of the ELR preamble field is configured to configure the ELR preamble field to perform transmit power boosting using a power boosting mode.

27. The method of any one of claims 17-26, wherein, a modulation configuration of the ELR preamble field is configured to configure a transmitting device to modulate the ELR-SIG field using a binary phase shift keying (BPSK) or a quadrature binary phase shift keying (QBPSK) mode.

28. The method of any one of claims 17-27, wherein, a modulation and coding configuration of the ELR preamble field is configured to configure a transmitting device to modulate and encode the ELR-SIG field using one of modulation and coding schemes (MCSs) 0, 1, and 2.

29. The method of any one of claims 17-28, wherein, a content of the ELR-SIG field is configured to include at least one of the following: an A-bit physical layer version identification field, where A is a positive integer; a B-bit bandwidth field, where B is a positive integer; a C-bit transmission direction field, configured to indicate that the ELR PPDU is an uplink PPDU or a downlink PPDU, where C is a positive integer; a D-bit basic service set (BSS) color field, where D is a positive integer; an E-bit transmission opportunity (TXOP) field, configured to indicate a time length of a TXOP, where E is a positive integer; an F-bit first ignore field, where F is a positive integer; an G-bit second ignore field, where G is a positive integer; an H-bit cyclic redundancy check (CRC) field, configured to indicate a CRC of a field before a CRC field in the ELR preamble field, where H is a positive integer; an I-bit tail field, configured to abort convolutional decoding, where I is a positive integer; a J-bit verification field, configured to indicate whether to continue receiving an ELR PPDU, where J is a positive integer; a K-bit PPDU type and compression mode field, configured to indicate a PPDU type, where K is a positive integer; an L-bit user field, configured to carry information for demodulating a data part of the ELR PPDU, where L is a positive integer.

30. The method of claim 29, wherein, the user field includes at least one of the following: a user identification field, an MCS field, a number of spatial streams (NSS) field, a beamforming field, an encoding field, and a reserved field.

31. The method of any one of claims 17-30, wherein, the method further includes: the receiving device sends the first configuration information to the transmitting device; or the receiving device sends first indication information to the transmitting device, where the first indication information is configured to indicate the first configuration information; or The receiving end device sends second indication information and part of the first configuration information to the sending end device, wherein the second indication information is used to indicate other configuration information in the first configuration information.

32. The method of any one of claims 17-31, wherein, The method further comprises: The receiving end device sends third indication information to the sending end device, wherein the third indication information is used to indicate whether to send or receive an ELR PPDU, and in the case where the third indication information indicates to send or receive an ELR PPDU, the first configuration information is a default configuration; or The receiving end device sends third indication information and second indication information to the sending end device, wherein the third indication information is used to indicate whether to send or receive an ELR PPDU, and in the case where the third indication information indicates to send or receive an ELR PPDU, part of the first configuration information is a default configuration, and the second indication information is used to indicate other configuration information in the first configuration information; or The receiving end device sends third indication information and other configuration information in the first configuration information to the sending end device, wherein the third indication information is used to indicate whether to send or receive an ELR PPDU, and in the case where the third indication information indicates to send or receive an ELR PPDU, part of the first configuration information is a default configuration.

33. A communications device, characterized by Comprise: The sending module is used to send an extended long-range physical layer protocol data unit (ELR PPDU) according to first configuration information, wherein the ELR PPDU comprises an ELR preamble field, and the ELR preamble field comprises an extended long-range signal (ELR-SIG) field, and the first configuration information comprises at least one of the following: Time domain configuration of the ELR-SIG field; Frequency domain configuration of the ELR-SIG field; Power configuration of the ELR preamble field; Modulation configuration of the ELR preamble field; Modulation and coding configuration of the ELR preamble field; Content configuration of the ELR-SIG field.

34. A communications device, characterized by Comprise: The receiving module is used to receive an extended long-range physical layer protocol data unit (ELR PPDU) according to first configuration information, wherein the ELR PPDU comprises an ELR preamble field, and the ELR preamble field comprises an extended long-range signal (ELR-SIG) field, and the first configuration information comprises at least one of the following: Time domain configuration of the ELR-SIG field; Frequency domain configuration of the ELR-SIG field; Power configuration of the ELR preamble field; Modulation configuration of the ELR preamble field; Modulation and coding configuration of the ELR preamble field; Content configuration of the ELR-SIG field.

35. A communications device, comprising: Comprise: A processor and a memory, the memory is used to store a computer program, and the processor is used to call and run the computer program stored in the memory to execute the method in any one of claims 1 to 16 or the method in any one of claims 17 to 32.

36. A chip, comprising: Comprise: a processor for calling and running a computer program from a memory, such that a device in which the chip is installed performs the method according to any one of claims 1 to 16, or the method according to any one of claims 17-32.

37. A readable storage medium characterized by, a computer program for storing a computer program, such that a computer performs the method according to any one of claims 1 to 16, or the method according to any one of claims 17-32.

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