WO2023087320A1 - 通信方法、装置、设备以及存储介质 - Google Patents
通信方法、装置、设备以及存储介质 Download PDFInfo
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- Embodiments of the present disclosure relate to the field of mobile communication technologies, and specifically, embodiments of the present disclosure relate to a communication method, device, device, and storage medium.
- Wireless Local Area Network has the characteristics of flexibility, mobility and low cost.
- WLAN sensing is currently being researched, and its main application scenarios are: location discovery in dense environments (home environment and enterprise environment), proximity detection and presence detection, etc. , and the Null Data Packet (NDP) frame corresponding to the WLAN sensing initiating device (Initiating Station, ISTA) and the wireless LAN sensing response device (Responding Station, RSTA) can support the bandwidth of 160MHz, 80MHz, 40MHz and 20MHz, But the jury is still out on supporting other bandwidths.
- NDP Null Data Packet
- Embodiments of the present disclosure provide a communication method, device, device, and storage medium, which can enable an initiating device and a responding device to indicate that the bearer bandwidth of a corresponding NDP frame is 320 MHz during a wireless local area network sensing process.
- an embodiment of the present disclosure provides a communication method, which can be applied to a wireless local area network awareness initiating device, and the method includes:
- the above-mentioned first message frame includes a perception parameter field, and the bandwidth subfield in the above-mentioned perception parameter field is used to indicate that the bearer bandwidth of the empty data packet NDP frame corresponding to the initiating device to the responding device (ISTAtoRSTA, I2R) is 320MHz ;
- an embodiment of the present disclosure provides a communication method, which can be applied to a wireless local area network sensing and responding device, and the method includes:
- the second message frame includes a sensing parameter field, and the bandwidth subfield in the sensing parameter field is used to indicate that the bearer bandwidth of the empty data packet NDP frame corresponding to the responding device to the initiating device (RSTAtoISTA, R2I) is 320MHz ;
- an embodiment of the present disclosure further provides a communication device, which includes:
- the first determining module is configured to determine a first message frame, where the first message frame includes a sensing parameter field, and the bandwidth subfield in the sensing parameter field is used to indicate the bearer of the null data packet NDP frame corresponding to the I2R from the initiating device to the responding device
- the bandwidth is 320MHz;
- the first sending module is configured to send the above-mentioned first message frame.
- an embodiment of the present disclosure further provides a communication device, which includes:
- the second determining module is configured to determine a second message frame, where the second message frame includes a sensing parameter field, and the bandwidth subfield in the sensing parameter field is used to indicate the bearer of the empty data packet NDP frame corresponding to the responding device to the initiating device R2I
- the bandwidth is 320MHz;
- the second sending module is configured to send the above-mentioned second message frame.
- the embodiment of the present disclosure also provides a wireless local area network perception initiating device, including a memory, a processor, and a computer program stored in the memory and operable on the processor.
- a wireless local area network perception initiating device including a memory, a processor, and a computer program stored in the memory and operable on the processor. Example of the communication method provided in the first aspect.
- the embodiment of the present disclosure also provides a wireless local area network sensing response device, including a memory, a processor, and a computer program stored on the memory and operable on the processor.
- a wireless local area network sensing response device including a memory, a processor, and a computer program stored on the memory and operable on the processor. Example of the communication method provided in the second aspect.
- the embodiments of the present disclosure also provide a computer-readable storage medium, on which a computer program is stored, and when the computer program is executed by a processor, any one of the methods provided in the embodiments of the present disclosure can be realized. communication method.
- the wireless local area network sensing initiating device and the responding device may indicate that the bearer bandwidth of the corresponding NDP frame is 320 MHz during the wireless local area network sensing process.
- FIG. 1 is a flowchart of a communication method provided by an embodiment of the present disclosure
- FIG. 2 is another flowchart of a communication method provided by an embodiment of the present disclosure
- FIG. 3 is a schematic structural diagram of a communication device provided by an embodiment of the present disclosure.
- FIG. 4 is another schematic structural diagram of a communication device provided by an embodiment of the present disclosure.
- FIG. 5 is a schematic structural diagram of a wireless local area network initiating device provided by an embodiment of the present disclosure
- Fig. 6 is a schematic structural diagram of a wireless local area network response device provided by an embodiment of the present disclosure.
- first, second, third, etc. may be used in the present disclosure to describe various information, the information should not be limited to these terms. These terms are only used to distinguish information of the same type from one another.
- first information may also be called second information, and similarly, second information may also be called first information.
- word “if” as used herein could be interpreted as “at” or “when” or "in response to a determination.”
- the process of wireless local area network awareness may be as follows: an initiating device initiates wireless local area network awareness (for example, initiates a wireless local area network awareness session), and there may be multiple responding devices responding to it.
- initiating devices and responding devices may include, but are not limited to: cellular phones, smart phones, wearable devices, computers, personal digital assistants (PDAs), personal communication system (PCS) devices, personal information managers (PIMs), personal navigation devices (PND), GPS, multimedia devices, Internet of Things (IoT) devices, etc.
- PDAs personal digital assistants
- PCS personal communication system
- PIMs personal information managers
- PND personal navigation devices
- GPS GPS
- multimedia devices Internet of Things (IoT) devices, etc.
- IoT Internet of Things
- a client initiates WLAN sensing as an initiating device, and multiple associated or non-associated WLAN sensing responding devices (for example, three access points (AP, access point)) may respond.
- client initiates WLAN sensing as an initiating device
- multiple associated or non-associated WLAN sensing responding devices for example, three access points (AP, access point)
- AP access point
- associated may refer to the establishment of an associated connection for communication between the initiating device and the responding device
- non-associated may refer to the establishment of no associated connection for communication between the initiating device and the responding device.
- An AP is a wireless switch for a wireless network and also an access device for a wireless network.
- the AP may include software applications and/or circuitry to enable other types of nodes in the wireless network to communicate with the outside and inside of the wireless network through the AP.
- the AP may be a terminal device or a network device equipped with a Wi-Fi (Wireless Fidelity, wireless fidelity) chip.
- Wi-Fi Wireless Fidelity, wireless fidelity
- both the initiating device and the responding device can be clients, and both can communicate by connecting to the same AP.
- the client serves as the initiating device and the AP serves as the responding device in the above description
- the present disclosure is not limited thereto.
- the AP may serve as the initiating device and the client may serve as the responding device.
- the number of initiating devices and responding devices is not limited.
- Embodiments of the present disclosure provide a communication method, device, device, and storage medium, which are used to enable an initiating device and a responding device to negotiate the bearer bandwidth of their corresponding NDP frames during the process.
- the method and the device are based on the same disclosed concept, and since the principles of the method and the device to solve problems are similar, the implementation of the device and the method can be referred to each other, and the repetition will not be repeated.
- an embodiment of the present disclosure provides a communication method.
- the method may be applied to a wireless local area network awareness initiating device.
- the communication method shown in Figure 1 may specifically include the following steps:
- Step 101 Determine the first message frame.
- the first message frame includes a perception parameter field, and the bandwidth subfield in the perception parameter field is used to indicate that the bearer bandwidth of the null data packet NDP frame corresponding to the I2R from the initiating device to the responding device is 320 MHz.
- the first message frame includes a perception parameter field, which may be identified by 24 or more bits.
- the perception parameter field includes a bandwidth (bandwidth) subfield, which can be identified by multiple bits.
- 6 bits in the perception parameter field may be used to identify the bandwidth subfield.
- the bandwidth subfield in the perception parameter field is used to indicate that the bearer bandwidth of the NDP frame corresponding to the I2R is 320 MHz.
- the bearer bandwidth of the NDP frame corresponding to I2R is 320MHz when supporting the High Efficient (HE) and Extremely High Throughput (EHT) formats.
- HE High Efficient
- EHT Extremely High Throughput
- the bandwidth sub-field may indicate 160 MHz through the first identification bit and the second identification bit respectively, so as to indicate that the bearer bandwidth of the NDP frame corresponding to I2R is 320 MHz through the first identification bit and the second identification bit.
- Step 102 sending a first message frame.
- the initiating device may send the first message frame to the responding device, so as to complete the negotiation of the wireless local area network sensing parameters.
- the bandwidth subfield in the above perception parameter field further includes at least one of the following:
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to I2R is 160MHz
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to the I2R is 80MHz;
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to I2R is 40MHz
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to the I2R is 20MHz.
- the bandwidth subfield in the perception parameter field may also indicate at least one of the following through different identification bits:
- the bearer bandwidth of the NDP frame corresponding to I2R is 160MHz when supporting HE and EHT formats
- the NDP frame corresponding to I2R has a bearer bandwidth of 80MHz when supporting HE, EHT and Very High Throughput (VHT) formats;
- the bearer bandwidth of the NDP frame corresponding to I2R is 40MHz when supporting HE, EHT and VHT formats;
- the bearer bandwidth of the NDP frame corresponding to I2R is 20MHz when supporting HE, EHT and VHT formats.
- the bandwidth sub-field may indicate 80 MHz through the third identification bit and the fourth identification bit respectively, so as to indicate that the bearer bandwidth of the NDP frame corresponding to I2R is 160 MHz through the third identification bit and the fourth identification bit.
- the HE corresponds to the 802.11n standard protocol
- the VHT corresponds to the 802.11ac standard protocol
- the EHT corresponds to the 802.11be standard protocol. That is, the bandwidth subfield can be used to indicate the possible bearer bandwidth of the NDP frame corresponding to the I2R when the initiating device supports different standard protocols.
- the bandwidth subfield indicates any of the above-mentioned bearer bandwidths through the corresponding identification bits
- the corresponding identification bits correspond to different field values
- the field values of the identification bits corresponding to any of the above-mentioned bearer bandwidths are not limited here. . As shown in Table 1:
- the Format column indicates the format supported by the NDP frame
- the NDP format column indicates the bearer bandwidth of the NDP frame
- the Fieldvalue identifies the field value.
- the corresponding field value is 4; the corresponding field value of the NDP frame corresponding to I2R supports HE and EHT format and the bearer bandwidth is 160MHz is 3; the NDP frame corresponding to I2R supports HE, EHT and VHT formats and the corresponding field value is 2 when the bearer bandwidth is 80MHz; the corresponding field value of the NDP frame corresponding to I2R supports HE, EHT and VHT formats and the bearer bandwidth is 40MHz
- the field value is 1; the NDP frame corresponding to I2R supports HE, EHT, and VHT formats and the corresponding field value is 0 when the bearer bandwidth is 20MHz; other field values are used as reserved field values to identify other information.
- the bandwidth subfield may include any one or more types of identification bits mentioned above to indicate the bearer bandwidth of the NDP frame corresponding to the I2R.
- the bandwidth subfield in the perception parameter field further includes an identification bit for indicating that the bearer bandwidth of the NDP frame corresponding to the I2R is 160 MHz.
- the bandwidth subfield in the perception parameter field further includes an identification bit for indicating that the bearer bandwidth of the NDP frame corresponding to the I2R is 80 MHz.
- the bandwidth subfield in the perception parameter field above also includes an identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to I2R is 40MHz, and an identification bit used to indicate that the NDP frame corresponding to I2R An identification bit with a bearer bandwidth of 20 MHz.
- the above-mentioned perceptual parameter field includes an I2R repetition (repetition) subfield, and the I2R repetition subfield is used to indicate the long training field (Long Training Field, LFT).
- the I2R repetition subfield may use 4 or more bits to indicate the maximum number of LFTs included in the NDP frame corresponding to the I2R.
- the corresponding field value of the I2R repetition subfield may indicate the maximum number of LFTs included in the NDP frame corresponding to the I2R.
- the above perceptual parameter field includes at least one of the following:
- the identification bit used to indicate the maximum number of SS used by the NDP frame corresponding to I2R when the bandwidth is less than 80MHz, and the identification bit used to indicate the maximum number of SS used by the NDP frame corresponding to I2R when the bandwidth is greater than or equal to 80MHz , and an identification bit used to indicate the maximum number of SS used by the NDP frame corresponding to the I2R when the bandwidth is greater than or equal to 160MHz;
- the perception parameter field can indicate the maximum number of SSs used by the NDP frame corresponding to I2R when the bandwidth is less than 80MHz and greater than or equal to 80MHz when the limit is 80Mhz, and it can also indicate that when the limit is 80MHz and 160MHz, the bandwidth is less than In the case of 80MHz, greater than or equal to 80MHz, and greater than or equal to 160MHz, the maximum number of SSs used by the NDP frame corresponding to I2R can also indicate the I2R corresponding to 80Mhz when the bandwidth is less than 80MHz and greater than or equal to 80MHz. Maximum number of SS and STS used by NDP frames.
- the perception parameter field may also indicate the maximum number of SSs used by the NDP frame corresponding to the I2R in different bandwidth ranges when 20MHz or 40Mhz is taken as the limit.
- the first message frame includes a wireless local area network sensing parameter information element, and the sensing parameter field is carried in the wireless local area network sensing parameter information element.
- the wireless local area network awareness information element in the first message frame includes various parameters corresponding to the I2R.
- the first message frame includes a wireless local area network sensing parameter information element, and the sensing parameter field is carried in the wireless local area network sensing parameter information element.
- the WLAN perception parameter information element includes at least one of the following:
- the sub-information element used to indicate that the wireless local area network sensing parameter information element includes the parameters required by the triggered (triggered-based, TB) sensing mode or the parameters required by the non-triggered (Non-triggered-based, Non-TB) sensing mode area;
- the ElementID sub-information element field is used to indicate the identification of the wireless LAN sensing parameter information element; the Length sub-information element field is used to indicate the length of the wireless LAN sensing parameter information element; the Element ID extension (extended) sub-information element field is used to indicate the wireless local area network sensing
- the parameter information element includes the parameters required based on the triggered (triggered-based, TB) sensing mode or the parameters required based on the non-triggered (Non-triggered-based, Non-TB) sensing mode; the Sensing subelement sub-information element domain is used to indicate Parameters required in TB awareness mode or parameters required in Non-TB awareness mode.
- the WLAN sensing parameters sub-information element field is the aforementioned sensing parameter field.
- the wireless local area network awareness parameter information element when the wireless local area network awareness parameter information element includes the parameters required by the TB awareness mode, it indicates the parameters required by the TB awareness mode included in it through the corresponding sub-information element field, and includes the parameters required by the Non-TB awareness mode.
- the corresponding sub-information element field indicates the parameters required by the Non-TB sensing mode included.
- any combination of one or more sub-information element fields mentioned above may be carried in the wireless local area network perception parameter information element as a sub-information element field in an independent embodiment.
- the first message frame includes a wireless local area network awareness parameter information element
- the wireless local area network awareness parameter information element includes a sub information element field for indicating a wireless local area network awareness parameter information element identifier.
- the first message frame includes a wireless local area network sensing parameter information element
- the wireless local area network sensing parameter information element includes a sub information element field for indicating the length of the wireless local area network sensing parameter information element.
- the first message frame includes a WLAN-aware parameter information element
- the WLAN-aware parameter information element includes a parameter used to indicate that the WLAN-aware parameter information element includes a TB-aware mode.
- the first message frame includes a wireless local area network sensing parameter information element
- the wireless local area network sensing parameter information element includes a sub-information element field based on parameters required by the Non-TB sensing mode.
- the first message frame includes a wireless local area network awareness parameter information element
- the wireless local area network awareness parameter information element includes a sub information element field for indicating parameters required by the TB awareness mode
- the first message frame includes a wireless local area network awareness parameter information element
- the wireless local area network awareness parameter information element includes a sub information element field for indicating parameters required by the Non-TB awareness mode.
- the above first message frame may be any message frame sent by the initiating device during the process of establishing a sensing session between the initiating device and the responding device.
- the first message frame is a wireless local area network awareness request frame.
- an embodiment of the present disclosure provides a communication method.
- the method may be applied to a wireless local area network sensing and responding device.
- the communication method shown in Figure 1 may specifically include the following steps:
- Step 201 Determine the second message frame.
- the second message frame includes a sensing parameter field, and the bandwidth subfield in the sensing parameter field is used to indicate that the bearer bandwidth of the null data packet NDP frame corresponding to the responding device to the initiating device R2I is 320 MHz.
- the second message frame includes a perception parameter field, which may be identified by 24 or more bits.
- the perception parameter field in the second message frame also includes a bandwidth subfield, which can be identified by multiple bits, for example, the bandwidth subfield can be identified by 6 bits in the perception parameter field.
- the bandwidth subfield in the perception parameter field in the second message frame is used to indicate that the bearer bandwidth of the NDP frame corresponding to the R2I is 320 MHz.
- the bearer bandwidth of the NDP frame corresponding to the R2I is 320MHz when the HE and EHT formats are supported.
- the bandwidth sub-field in the second message frame may simultaneously indicate 160MHz through different identification bits, so as to indicate that the bearer bandwidth of the NDP frame corresponding to R2I is 320MHz.
- Step 202 sending a second message frame.
- the responding device may send the second message frame to the initiating device, so as to complete the negotiation of the wireless local area network sensing parameters.
- the bandwidth subfield in the second message frame further includes at least one of the following:
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to R2I is 160MHz;
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to R2I is 80MHz;
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to R2I is 40MHz
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to the R2I is 20 MHz.
- the bandwidth subfield in the second message frame may also indicate at least one of the following through different identification bits:
- the bearer bandwidth of the NDP frame corresponding to R2I is 160MHz when supporting HE and EHT formats
- the bearer bandwidth of the NDP frame corresponding to R2I is 80MHz when supporting HE, EHT and VHT formats;
- the bearer bandwidth of the NDP frame corresponding to R2I is 40MHz when supporting HE, EHT and VHT formats;
- the bearer bandwidth of the NDP frame corresponding to R2I is 20MHz when HE, EHT and VHT formats are supported.
- the bandwidth subfield in the second message frame may simultaneously indicate 80MHz through different identification bits, so as to indicate that the bearer bandwidth of the NDP frame corresponding to R2I is 160MHz.
- the corresponding identification bits correspond to different field values, and the field of the identification bits corresponding to any of the above bearer bandwidths
- the value is not limited here, and it is similar to the format of the bandwidth subfield in the first message frame shown in Table 1, and details are not described here.
- the bandwidth subfield in the second message frame may include any one or more of the above identification bits to indicate the bearer bandwidth of the NDP frame corresponding to the R2I.
- the bandwidth subfield in the perception parameter field further includes an identification bit for indicating that the bearer bandwidth of the NDP frame corresponding to the R2I is 160 MHz.
- the bandwidth subfield in the perception parameter field further includes an identification bit for indicating that the bearer bandwidth of the NDP frame corresponding to the R2I is 80 MHz.
- the bandwidth subfield in the perception parameter field above also includes an identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to R2I is 40MHz, and an identification bit used to indicate that the NDP frame corresponding to R2I An identification bit with a bearer bandwidth of 20MHz.
- the perception parameter field in the second message frame may also include an R2I repetition subfield, and the R2I repetition subfield is used to indicate the maximum number of LFTs included in the NDP frame corresponding to R2I .
- the R2I repetition subfield may indicate the maximum number of LFTs included in the NDP frame corresponding to R2I through 4 or more bits.
- the corresponding field value of the R2I repetition subfield may indicate the maximum number of LFTs included in the NDP frame corresponding to R2I.
- the perception parameter field in the second message frame further includes at least one of the following:
- the identification bit used to indicate the maximum number of SS used by the NDP frame corresponding to R2I when the bandwidth is less than 80MHz, and the identification bit used to indicate the maximum number of SS used by the NDP frame corresponding to R2I when the bandwidth is greater than or equal to 80MHz , and an identification bit used to indicate the maximum number of SSs used by the NDP frame corresponding to R2I when the bandwidth is greater than or equal to 160MHz;
- the perception parameter field in the second message frame can also indicate the maximum number of SSs used by the NDP frame corresponding to R2I when the bandwidth is less than 80MHz and greater than or equal to 80MHz when the limit is 80Mhz.
- the maximum number of SSs used by the NDP frame corresponding to R2I can also indicate when the bandwidth is less than 80MHz and greater than or equal to 80Mhz. In the case of 80MHz, the maximum number of SS and STS used by the NDP frame corresponding to R2I.
- the perception parameter field in the second message frame can also indicate the SS used in different bandwidth ranges by the NDP frame corresponding to R2I when 20MHz or 40Mhz is used as the limit. greatest amount.
- the second message frame also includes a wireless local area network sensing parameter information element, and the sensing parameter field is carried in the wireless local area network sensing parameter information element.
- the wireless local area network awareness information element in the second message frame includes various parameters corresponding to the R2I.
- the second message frame also includes a wireless local area network sensing parameter information element, and the sensing parameter field is carried in the wireless local area network sensing parameter information element.
- the WLAN sensing parameter information element in the second message frame further includes at least one of the following:
- the sub-information element field used to indicate that the wireless local area network sensing parameter information element includes the parameters required based on the triggered sensing mode or the parameters required based on the non-triggered sensing mode;
- the format of the WLAN sensing parameter information element in the second message frame is similar to the format of the WLAN sensing parameter information element in the first message frame in Table 2, and will not be repeated here.
- the wireless local area network awareness parameter information element in the second message frame when the wireless local area network awareness parameter information element in the second message frame includes the parameters required by the TB awareness mode, it indicates the parameters required by the TB awareness mode included in the corresponding sub-information element field, and when it includes Non- When specifying the parameters required by the TB awareness mode, the corresponding sub-information element fields indicate the parameters required by the Non-TB awareness mode included.
- any combination of one or more sub-information element fields mentioned above may be carried in the WLAN awareness parameter information element of the second message frame as a sub-information element field in an independent embodiment.
- the second message frame includes a wireless local area network awareness parameter information element
- the wireless local area network awareness parameter information element includes a sub-information element field for indicating a wireless local area network awareness parameter information element identifier.
- the second message frame includes a wireless local area network sensing parameter information element
- the wireless local area network sensing parameter information element includes a sub information element field for indicating the length of the wireless local area network sensing parameter information element.
- the second message frame includes a WLAN-aware parameter information element
- the WLAN-aware parameter information element includes a parameter used to indicate that the WLAN-aware parameter information element includes a TB-aware mode.
- the second message frame includes a wireless local area network sensing parameter information element
- the wireless local area network sensing parameter information element includes a sub information element field based on parameters required by the Non-TB sensing mode.
- the second message frame includes a wireless local area network awareness parameter information element
- the wireless local area network awareness parameter information element includes a sub information element field for indicating parameters required by the TB awareness mode
- the second message frame includes a wireless local area network awareness parameter information element
- the wireless local area network awareness parameter information element includes a sub information element field for indicating parameters required by the Non-TB awareness mode.
- the second message frame may be any message frame sent by the responding device during the process of establishing a sensing session between the initiating device and the responding device.
- the second message frame is a WLAN sensing response frame.
- a parameter format of the WLAN sensing parameter information element and various parameters indicated by the WLAN sensing parameter information element can be provided for the initiating device and the responding device during the process of establishing the sensing session, Moreover, based on the wireless local area network sensing parameter information element, the negotiation of related parameters of wireless local area network sensing (such as the bearer bandwidth of each corresponding NDP frame, etc.) can be completed during the establishment of the sensing session, which has high applicability.
- an embodiment of the present disclosure provides a communication device, including:
- the first determining module 301 is configured to determine a first message frame, where the first message frame includes a sensing parameter field, and the bandwidth subfield in the sensing parameter field is used to indicate the number of empty data packet NDP frames corresponding to the I2R from the initiating device to the responding device Bearer bandwidth is 320MHz;
- the first sending module 302 is configured to send the above-mentioned first message frame.
- the bandwidth subfield further includes at least one of the following:
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to I2R is 160MHz
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to the I2R is 80MHz;
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to I2R is 40MHz
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to the I2R is 20 MHz.
- the above sensing parameter field further includes an I2R repetition subfield, and the above I2R repetition subfield is used to indicate the maximum number of long training fields LFT included in the NDP frame corresponding to I2R.
- the above perception parameter field further includes at least one of the following:
- the identification bit used to indicate the maximum number of SS used by the NDP frame corresponding to I2R when the bandwidth is less than 80MHz, and the identification bit used to indicate the maximum number of SS used by the NDP frame corresponding to I2R when the bandwidth is greater than or equal to 80MHz , and an identification bit used to indicate the maximum number of SS used by the NDP frame corresponding to the I2R when the bandwidth is greater than or equal to 160MHz;
- the first message frame includes a wireless local area network sensing parameter information element, and the wireless local area network sensing parameter information element includes the sensing parameter field;
- the above wireless local area network sensing parameter information element also includes at least one of the following:
- a sub-IE field used to indicate the identification of the above-mentioned wireless local area network sensing parameter information element
- the wireless local area network sensing parameter information element includes a sub-information element field based on the parameters required to trigger the TB awareness mode or based on the parameters required to trigger the Non-TB awareness mode;
- the foregoing first message frame is a wireless local area network awareness request frame.
- an embodiment of the present disclosure provides a communication device, including:
- the second determination module 401 is configured to determine a second message frame, where the second message frame includes a perception parameter field, and the bandwidth subfield in the perception parameter field is used to indicate the number of empty data packet NDP frames corresponding to the responding device to the initiating device R2I Bearer bandwidth is 320MHz;
- the second sending module 402 is configured to send the above-mentioned second message frame.
- the foregoing bandwidth subfield includes at least one of the following:
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to R2I is 160MHz;
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to R2I is 80MHz;
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to R2I is 40MHz
- An identification bit used to indicate that the bearer bandwidth of the NDP frame corresponding to the R2I is 20MHz.
- the above sensing parameter field further includes an R2I repetition subfield, and the above R2I repetition subfield is used to indicate the maximum number of long training fields LFT included in the NDP frame corresponding to R2I.
- the above perception parameter field further includes at least one of the following:
- the identification bit used to indicate the maximum number of SS used by the NDP frame corresponding to R2I when the bandwidth is less than 80MHz, and the identification bit used to indicate the maximum number of SS used by the NDP frame corresponding to R2I when the bandwidth is greater than or equal to 80MHz , and an identification bit used to indicate the maximum number of SSs used by the NDP frame corresponding to R2I when the bandwidth is greater than or equal to 160 MHz;
- the second message frame includes a wireless local area network sensing parameter information element, and the wireless local area network sensing parameter information element includes the sensing parameter field;
- the above wireless local area network sensing parameter information element also includes at least one of the following:
- a sub-IE field used to indicate the identification of the above-mentioned wireless local area network sensing parameter information element
- the wireless local area network sensing parameter information element includes a sub-information element field based on the parameters required to trigger the TB awareness mode or based on the parameters required to trigger the Non-TB awareness mode;
- the foregoing second message frame is a wireless local area network awareness response frame.
- the initiating device and the responding device can provide a parameter format of the WLAN sensing parameter information element and various parameters indicated by the WLAN sensing parameter information element during the establishment of the sensing session, Moreover, based on the wireless local area network sensing parameter information element, the negotiation of related parameters of wireless local area network sensing (such as the bearer bandwidth of each corresponding NDP frame, etc.) can be completed during the establishment of the sensing session, which has high applicability.
- the wireless local area network initiating device 5000 shown in FIG. 5 may be a server, and includes: a processor 5001 and a memory 5003 . Wherein, the processor 5001 is connected to the memory 5003 , such as through a bus 5002 .
- the wireless local area network awareness initiating device 5000 may further include a transceiver 5004 . It should be noted that, in practical applications, the transceiver 5004 is not limited to one, and the structure of the wireless local area network initiating device 5000 does not limit the embodiment of the present disclosure.
- the memory 5003 is used to store the application program codes for executing the embodiments of the present disclosure, and the execution is controlled by the processor 5001 .
- the processor 5001 is configured to execute the application program code stored in the memory 5003, so as to implement the communication method applicable to the wireless local area network awareness initiating device in this solution.
- the wireless local area network initiating device 5000 shown in FIG. 5 may be a server, and includes: a processor 5001 and a memory 5003 . Wherein, the processor 5001 is connected to the memory 5003 , such as through a bus 5002 .
- the wireless local area network awareness initiating device 5000 may further include a transceiver 5004 . It should be noted that, in practical applications, the transceiver 5004 is not limited to one, and the structure of the wireless local area network initiating device 5000 does not limit the embodiment of the present disclosure.
- the memory 5003 is used to store the application program codes for executing the embodiments of the present disclosure, and the execution is controlled by the processor 5001 .
- the processor 5001 is configured to execute the application program code stored in the memory 5003, so as to implement the communication method in FIG. 1 applicable to the wireless local area network awareness initiating device.
- the wireless local area network response device 6000 shown in FIG. 6 may be a server, including: a processor 6001 and a memory 6003 . Wherein, the processor 6001 is connected to the memory 6003 , such as through a bus 6002 .
- the wireless local area network sensing and responding device 6000 may also include a transceiver 6004 . It should be noted that, in practical applications, the transceiver 6004 is not limited to one, and the structure of the wireless local area network responding device 6000 does not limit the embodiment of the present disclosure.
- the memory 6003 is used to store application program codes for executing the embodiments of the present disclosure, and the execution is controlled by the processor 6001 .
- the processor 6001 is configured to execute the application program code stored in the memory 6003, so as to implement the communication method in FIG. 2 applicable to the wireless local area network sensing and responding device.
- processor 5001 and processor 6001 can be CPU (Central Processing Unit, central processing unit), general-purpose processor, DSP (Digital Signal Processor, data signal processor), ASIC (Application Specific Integrated Circuit, application-specific integrated circuit), FPGA (Field Programmable Gate Array, Field Programmable Gate Array) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof. It may implement or execute the various illustrative logical blocks, modules and circuits described in connection with the present disclosure.
- the processor 5001 and the processor 6001 may also be a combination to realize computing functions, for example, a combination of one or more microprocessors, a combination of a DSP and a microprocessor, and the like.
- Bus 5002 and bus 6002 may include a path for transferring information between the components described above.
- the bus 5002 and the bus 6002 may be a PCI (Peripheral Component Interconnect, Peripheral Component Interconnect Standard) bus or an EISA (Extended Industry Standard Architecture, Extended Industry Standard Architecture) bus, etc.
- the bus 5002 and the bus 6002 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is used in FIG. 5 and FIG. 6 , but it does not mean that there is only one bus or one type of bus.
- the memory 5003 and the memory 6003 can be read-only memory (Read Only Memory, ROM) or other types of static storage devices that can store static information and instructions, random access memory (Random Access Memory, RAM) or memory that can store information and instructions
- ROM read-only memory
- RAM random access memory
- Other types of dynamic storage devices can also be Electrically Erasable Programmable Read Only Memory (EEPROM), Compact Disc Read Only Memory (CD-ROM) or other optical disc storage, optical disc storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program code in the form of instructions or data structures and can be programmed by a computer Any other medium accessed, but not limited to.
- EEPROM Electrically Erasable Programmable Read Only Memory
- CD-ROM Compact Disc Read Only Memory
- CD-ROM Compact Disc Read Only Memory
- optical disc storage including compact discs, laser discs, optical discs, digital versatile disc
- Embodiments of the present disclosure provide a computer-readable storage medium, on which a computer program is stored, and when the computer program is run on a computer, the computer can execute the corresponding content in the foregoing method embodiments.
- the computer-readable storage medium mentioned above in the present disclosure may be a computer-readable signal medium or a computer-readable storage medium, or any combination of the above two.
- a computer readable storage medium may be, for example, but not limited to, an electrical, magnetic, optical, electromagnetic, infrared, or semiconductor system, device, or device, or any combination thereof. More specific examples of computer-readable storage media may include, but are not limited to, electrical connections with one or more wires, portable computer diskettes, hard disks, random access memory (RAM), read-only memory (ROM), erasable Programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the above.
- a computer-readable storage medium may be any tangible medium that contains or stores a program that can be used by or in conjunction with an instruction execution system, apparatus, or device.
- a computer-readable signal medium may include a data signal propagated in baseband or as part of a carrier wave carrying computer-readable program code therein. Such propagated data signals may take many forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the foregoing.
- a computer-readable signal medium may also be any computer-readable storage medium other than a computer-readable storage medium that can transmit, propagate, or transmit information for use by or in connection with an instruction execution system, apparatus, or device. program.
- Program code embodied on a computer readable storage medium may be transmitted by any appropriate medium, including but not limited to: wires, optical cables, RF (radio frequency), etc., or any suitable combination of the above.
- the above-mentioned computer-readable storage medium may be contained in the above-mentioned wireless local area network initiating device or responding device; or exist independently without being assembled into the wireless local area network initiating device or responding device.
- the computer-readable storage medium carries one or more programs, and when the one or more programs are executed by the wireless local area network initiating device or the responding device, the initiating device or the responding device executes a corresponding communication method.
- a computer program product or computer program comprising computer instructions stored in a computer readable storage medium.
- the processor of the computer device reads the computer instruction from the computer-readable storage medium, and the processor executes the computer instruction, so that the computer device executes the communication method provided in the various optional implementation manners above.
- Computer program code for carrying out the operations of the present disclosure can be written in one or more programming languages, or combinations thereof, including object-oriented programming languages—such as Java, Smalltalk, C++, and conventional Procedural Programming Language - such as "C" or a similar programming language.
- the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server.
- the remote computer can be connected to the user computer through any kind of network, including a local area network (LAN) or a wide area network (WAN), or it can be connected to an external computer (such as through an Internet service provider). Internet connection).
- LAN local area network
- WAN wide area network
- Internet service provider such as AT&T, MCI, Sprint, EarthLink, MSN, GTE, etc.
- each block in a flowchart or block diagram may represent a module, program segment, or portion of code that contains one or more logical functions for implementing specified executable instructions.
- the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or they may sometimes be executed in the reverse order, depending upon the functionality involved.
- each block of the block diagrams and/or flowchart illustrations, and combinations of blocks in the block diagrams and/or flowchart illustrations can be implemented by a dedicated hardware-based system that performs the specified functions or operations , or may be implemented by a combination of dedicated hardware and computer instructions.
- the modules involved in the embodiments described in the present disclosure may be implemented by software or by hardware. Wherein, the name of the module does not constitute a limitation of the module itself under certain circumstances, for example, the A module may also be described as "the A module for performing the B operation".
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Abstract
Description
Field value | Format | NDP format |
0 | HE/EHT/VHT | 20 |
1 | HE/EHT/VHT | 40 |
2 | HE/EHT/VHT | 80 |
3 | HE/EHT | 160/80+80 |
4 | EHT | 320/160+160 |
5-127reserved |
Claims (17)
- 一种通信方法,其特征在于,应用于无线局域网感知发起设备,所述方法包括:确定第一消息帧,所述第一消息帧包括感知参数域,所述感知参数域中的带宽子域用于指示发起设备至响应设备I2R对应的空数据分组NDP帧的承载带宽为320MHz;发送所述第一消息帧。
- 根据权利要求1所述的方法,其特征在于,所述带宽子域还包括以下至少一项:用于指示I2R对应的NDP帧的承载带宽为160MHz的标识位;用于指示I2R对应的NDP帧的承载带宽为80MHz的标识位;用于指示I2R对应的NDP帧的承载带宽为40MHz的标识位;用于指示I2R对应的NDP帧的承载带宽为20MHz的标识位。
- 根据权利要求1所述的方法,其特征在于,所述感知参数域还包括I2R重复子域,所述I2R重复子域用于指示I2R对应的NDP帧所包括的长训练字段LFT的最大数量。
- 根据权利要求1所述的方法,其特征在于,所述感知参数域还包括以下至少一项:用于指示在带宽小于80MHz的情况下I2R对应的NDP帧使用的空间流SS的最大数量的标识位、以及用于指示在带宽大于或者等于80MHz的情况下I2R对应的NDP帧使用的SS的最大数量的标识位;用于指示在带宽小于80MHz的情况下I2R对应的NDP帧使用的SS的最大数量的标识位、用于指示在大于或者等于80MHz的情况下I2R对应的NDP帧使用的SS的最大数量的标识位、以及用于指示在带宽大于或者等于160MHz的情况下I2R对应的NDP帧使用的SS的最大数量的标识位;用于指示在带宽小于80MHz的情况下I2R对应的NDP帧使用的空间流SS和空时流STS的最大数量的标识位、以及用于指示在带宽大于或者等于80MHz的情况下I2R对应的NDP帧使用的SS和STS的最大数量的标识位。
- 根据权利要求1所述的方法,其特征在于,所述第一消息帧包括无线局域网感知参数信息元素,所述无线局域网感知参数信息元素包括所述感知参数域;所述无线局域网感知参数信息元素还包括以下至少一项:用于指示所述无线局域网感知参数信息元素标识的子信息元素域;用于指示所述无线局域网感知参数信息元素长度的子信息元素域;用于指示所述无线局域网感知参数信息元素包括基于触发TB感知模式所需的参数或者基于非触发Non-TB感知模式所需的参数的子信息元素域;用于指示TB感知模式所需的参数或者Non-TB感知模式所需的参数的子信息元素域。
- 根据权利要求1所述的方法,其特征在于,所述第一消息帧为无线局域网感知请求帧。
- 一种通信方法,其特征在于,应用于无线局域网感知响应设备,所述方法包括:确定第二消息帧,所述第二消息帧包括感知参数域,所述感知参数域中的带宽子域用于指示响应设备至发起设备R2I对应的空数据分组NDP帧的承载带宽为320MHz;发送所述第二消息帧。
- 根据权利要求7所述的方法,其特征在于,所述带宽子域包括以下至少一项:用于指示R2I对应的NDP帧的承载带宽为160MHz的标识位;用于指示R2I对应的NDP帧的承载带宽为80MHz的标识位;用于指示R2I对应的NDP帧的承载带宽为40MHz的标识位;用于指示R2I对应的NDP帧的承载带宽为20MHz的标识位。
- 根据权利要求7所述的方法,其特征在于,所述感知参数域还包括R2I重复子域,所述R2I重复子域用于指示R2I对应的NDP帧所包括的长训练字段LFT的最大数量。
- 根据权利要求7所述的方法,其特征在于,所述感知参数域还包括以下至少一项:用于指示在带宽小于80MHz的情况下R2I对应的NDP帧使用的空间流SS的最大数量的标识位、以及用于指示在带宽大于或者等于80MHz的情况下R2I对应的NDP帧使用的SS的最大数量的标识位;用于指示在带宽小于80MHz的情况下R2I对应的NDP帧使用的SS的最大数量的标识位、用于指示在大于或者等于80MHz的情况下R2I对应的NDP帧使用的SS的最大数量的标识位、以及用于指示在带宽大于或者等于160MHz的情况下R2I对应的NDP帧使用的SS的最大数量的标识位;用于指示在带宽小于80MHz的情况下R2I对应的NDP帧使用的空间流SS和空时流STS的最大数量的标识位、以及用于指示在带宽大于或者等于80MHz的情况下R2I对应的NDP帧使用的SS和STS的最大数量的标识位。
- 根据权利要求7所述的方法,其特征在于,所述第二消息帧包括无线局域网感知参数信息元素,所述无线局域网感知参数信息元素包括所述感知参数域;所述无线局域网感知参数信息元素还包括以下至少一项:用于指示所述无线局域网感知参数信息元素标识的子信息元素域;用于指示所述无线局域网感知参数信息元素长度的子信息元素域;用于指示所述无线局域网感知参数信息元素包括基于触发TB感知模式所需的参数或者基于非触发Non-TB感知模式所需的参数的子信息元素域;用于指示TB感知模式所需的参数或者Non-TB感知模式所需的参数的 子信息元素域。
- 根据权利要求7所述的方法,其特征在于,所述第二消息帧为无线局域网感知响应帧。
- 一种通信装置,其特征在于,所述装置包括:第一确定模块,用于确定第一消息帧,所述第一消息帧包括感知参数域,所述感知参数域中的带宽子域用于指示发起设备至响应设备I2R对应的空数据分组NDP帧的承载带宽为320MHz;第一发送模块,用于发送所述第一消息帧。
- 一种通信装置,其特征在于,所述装置包括:第二确定模块,用于确定第二消息帧,所述第二消息帧包括感知参数域,所述感知参数域中的带宽子域用于指示响应设备至发起设备R2I对应的空数据分组NDP帧的承载带宽为320MHz;第二发送模块,用于发送所述第二消息帧。
- 一种无线局域网感知发起设备,其特征在于,所述发起设备包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述处理器执行所述程序时实现权利要求1至6中任一项所述的方法。
- 一种无线局域网感知响应设备,其特征在于,所述响应设备包括存储器、处理器及存储在存储器上并可在处理器上运行的计算机程序,所述处理器执行所述程序时实现权利要求7至12中任一项所述的方法。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现权利要求1至12中任一项所述的方法。
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