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WO2024239217A1 - Procédé de communication, dispositif électronique et support de stockage - Google Patents

Procédé de communication, dispositif électronique et support de stockage Download PDF

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Publication number
WO2024239217A1
WO2024239217A1 PCT/CN2023/095641 CN2023095641W WO2024239217A1 WO 2024239217 A1 WO2024239217 A1 WO 2024239217A1 CN 2023095641 W CN2023095641 W CN 2023095641W WO 2024239217 A1 WO2024239217 A1 WO 2024239217A1
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Prior art keywords
twt
tdls
restricted
service
information
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PCT/CN2023/095641
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English (en)
Chinese (zh)
Inventor
程亚军
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Beijing Xiaomi Mobile Software Co Ltd
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Beijing Xiaomi Mobile Software Co Ltd
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Priority to CN202380009501.3A priority Critical patent/CN116868618A/zh
Priority to PCT/CN2023/095641 priority patent/WO2024239217A1/fr
Publication of WO2024239217A1 publication Critical patent/WO2024239217A1/fr
Anticipated expiration legal-status Critical
Pending legal-status Critical Current

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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the embodiments of the present disclosure relate to the field of mobile communication technology. Specifically, the embodiments of the present disclosure relate to a communication method, an electronic device, and a storage medium.
  • the Target Wake Time (TWT) mechanism is proposed to support energy saving work under large-scale Internet of Things (IoT) devices; at the same time, in order to ensure the transmission of services such as low-latency services, the Restricted-TWT (R-TWT) mechanism is proposed.
  • TWT Target Wake Time
  • R-TWT Restricted-TWT
  • the embodiments of the present disclosure provide a communication method, an electronic device, and a storage medium to further improve the R-TWT mechanism and ensure the transmission of low-latency services.
  • an embodiment of the present disclosure provides a communication method, which is applied to an access point device AP, and the method includes:
  • the first radio frame includes first identification information, and the first identification information identifies a service type allowed to be transmitted between TDLS devices through a TDLS link within an SP scheduled by R-TWT;
  • the service types include low-latency services
  • a first radio frame is sent.
  • the embodiment of the present disclosure further provides a communication method, which is applied to a TDLS device, and the method includes:
  • the first wireless frame includes first identification information, and the first identification information identifies the service type allowed to be transmitted between TDLS devices through the TDLS link within the SP scheduled by R-TWT; wherein the service type includes low-latency service.
  • an embodiment of the present disclosure further provides an electronic device, the electronic device is an access point device AP, and the electronic device includes:
  • a determination module configured to determine a first radio frame; wherein the first radio frame includes first identification information, and the first identification information identifies a service type allowed to be transmitted between TDLS devices through a TDLS link within an SP scheduled by R-TWT;
  • the service types include low-latency services
  • a sending module is used to send a first wireless frame.
  • the embodiment of the present disclosure further provides an electronic device, the electronic device is a TDLS Equipment, electronic equipment includes:
  • a receiving module configured to receive a first wireless frame
  • the first radio frame includes first identification information, and the first identification information identifies a service type allowed to be transmitted between TDLS devices through a TDLS link within an SP scheduled by the R-TWT;
  • the service types include low-latency services.
  • the embodiments of the present disclosure also provide an electronic device, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, one or more methods in the embodiments of the present disclosure are implemented.
  • the embodiments of the present disclosure further provide a computer-readable storage medium, on which a computer program is stored.
  • a computer program is stored.
  • the computer program is executed by a processor, one or more methods in the embodiments of the present disclosure are implemented.
  • the AP determines and sends a first wireless frame; wherein the first wireless frame includes first identification information, and the first identification information identifies the type of service that is allowed to be transmitted between TDLS devices through the TDLS link within the SP scheduled by R-TWT; the service type includes low-latency service; and the R-TWT SP is not only used for low-latency service transmission between the R-TWT scheduled AP and the R-TWT scheduled member STA, but also supports the R-TWT scheduled member STA to transmit low-latency services through the TDLS link during the TDLS R-TWT duration.
  • the transmission of deterministic low-latency services is effectively guaranteed through a periodic target wake-up mechanism, thereby improving the transmission efficiency of low-latency communication services.
  • communication between STAs is realized in the absence of an AP.
  • This peer-to-peer (P2P) communication method does not require data transmission through an access point, thereby avoiding delays caused by network congestion, reducing the energy consumption of terminal devices, and improving data transmission efficiency.
  • the disclosed embodiment provides a communication method to further improve the R-TWT mechanism and ensure the transmission of low-latency services.
  • FIG1 is a schematic diagram of one of the embodiments of the present disclosure.
  • FIG2 is a second schematic diagram of an embodiment of the present disclosure.
  • FIG3 is a flow chart of a communication method according to an embodiment of the present disclosure.
  • FIG4 is a second flowchart of the communication method provided in an embodiment of the present disclosure.
  • FIG5 is a third flowchart of the communication method provided in an embodiment of the present disclosure.
  • FIG6 is a fourth flowchart of the communication method provided in an embodiment of the present disclosure.
  • FIG7 is a schematic diagram of a structure of an electronic device provided by an embodiment of the present disclosure.
  • FIG8 is a second structural diagram of an electronic device provided in an embodiment of the present disclosure.
  • FIG9 is a third structural diagram of an electronic device provided in an embodiment of the present disclosure.
  • first, second, third, etc. may be used in the present disclosure to describe various information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
  • first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
  • word “if” used herein may be interpreted as "at the time of” or "when” or "in response to determining”.
  • the embodiments of the present disclosure provide a communication method, an electronic device, and a storage medium to further improve the R-TWT mechanism and ensure the transmission of low-latency services.
  • the method and the device are based on the same application concept. Since the method and the device solve the problem in a similar principle, the implementation of the device and the method can refer to each other, and the repeated parts will not be repeated.
  • FIG. 1 and FIG. 2 show partial structural schematic diagrams of TWT elements in the communication method provided in each embodiment of the present disclosure.
  • the access point (AP) device broadcasts the service type allowed to be transmitted between TDLS devices through the TDLS link within the R-TWT SP (Service Period) of the Restricted-Target Wake Time (R-TWT) schedule to the Tunneled Direct Link Setup (TDLS) device through the first wireless frame.
  • the TDLS device negotiates with the AP through the TWT setup frame and joins as a member of a R-TWT schedule.
  • the AP is a device with wireless to wired bridging function, and the AP is responsible for extending the services provided by the wired network to the wireless network.
  • the TDLS device is a station device (STA), and the STA is an electronic device with wireless network access function, which provides frame delivery service to enable information to be transmitted.
  • the AP determines and sends a first wireless frame, which includes first identification information.
  • the first identification information identifies the service type allowed to be transmitted between TDLS devices through the TDLS link within the SP scheduled by R-TWT; wherein the service type may include low-latency services or all services.
  • Figure 1 is a schematic diagram of a partial structure of an optional TWT element.
  • the broadcast TWT parameter set field (Broadcast TWT set parameter) of the TWT element of the first wireless frame includes: a restricted TWT information field (Restricted TWT Info field);
  • the restricted TWT information field includes: restricted TWT information control (Restricted TWT Info Control) information;
  • the restricted TWT information control information includes: restricted TWT TDLS traffic information presence (Restricted TWT TDLS Traffic Info Present) flag;
  • the restricted TWT information field includes a restricted TWT TDLS traffic information (Restricted TWT TDLS Traffic Info) field;
  • the first identification information is carried in the restricted TWT TDLS service information field.
  • the TWT element includes other fields not shown in Figure 1, such as the Element ID field, the Length Control field, the TWT Parameter Information field, etc.
  • Other not shown content should also be understood as the content of the TWT element.
  • the first parameter value may be set to 1, that is, when the TWT TDLS service information restriction existence flag is set to 1, the TWT information restriction field includes the TWT TDLS service information restriction field.
  • FIG 2 is a schematic diagram of a partial structure of another optional TWT element.
  • the broadcast TWT parameter set field (Broadcast TWT set parameter) of the TWT element of the first wireless frame includes: a restricted TWT information field (Restricted TWT Info field);
  • the restricted TWT information field includes: restricted TWT TDLS parameter information (R-TWT TDLS Parameter Info) field;
  • the restricted TWT TDLS parameter information control (Restricted TWT TDLS Parameter Info Control) field of the restricted TWT TDLS parameter information field includes: a restricted TWT TDLS traffic information presence (Restricted TWT TDLS Traffic Info Present) flag bit;
  • the restricted TWT TDLS parameter information (R-TWT TDLS Parameter Info) field includes: a restricted TWT TDLS traffic information (Restricted TWT TDLS Traffic Info) field;
  • the first identification information is carried in the restricted TWT TDLS service information field.
  • the TWT element includes other fields not shown in Figure 2, such as the Element ID field, the Length Control field, the TWT Parameter Information field, etc.
  • Other content not shown should also be understood as the content of the TWT element.
  • the second parameter value can be set to 1, that is, when the TWT TDLS service information restriction existence flag is set to 1, the TWT TDLS service information restriction field includes: the TWT TDLS service information restriction field.
  • the first identification information includes: a restricted TWT TDLS service bitmap (Restricted TWT TDLS TID Bitmap) field in the restricted TWT TDLS service information field.
  • a restricted TWT TDLS service bitmap restricted TWT TDLS TID Bitmap
  • the restricted TWT TDLS service bitmap field can be used to identify: the service type of low-latency service transmitted through the TDLS link between TDLS devices within the SP scheduled by R-TWT.
  • the restricted TWT TDLS service information field also includes: a restricted TWT TDLS service bitmap valid (Restricted TWT TDLS TID Bitmap Valid) identification bit;
  • the restricted TWT TDLS service bitmap is valid (Restricted TWT TDLS TID Bitmap Valid) flag is set to the third parameter value, within the SP scheduled by R-TWT, the service type allowed to be transmitted between TDLS devices through the TDLS link is the low-latency service identified by the first identification information (TWT TDLS service bitmap field);
  • the third parameter value may be set to 1, that is, when the restricted TWT TDLS service bitmap is valid (Restricted TWT TDLS TID Bitmap Valid) flag is set to 1
  • the restricted TWT TDLS service bitmap is valid (Restricted TWT TDLS TID Bitmap Valid) flag is set to 1
  • the low-latency service type marked by the TWT TDLS service bitmap field is restricted, it is effective.
  • the service type allowed to be transmitted through the TDLS link between TDLS devices is the low-latency service marked by the TWT TDLS service bitmap field.
  • the fourth parameter value may be set to 0, that is, when the Restricted TWT TDLS TID Bitmap Valid flag is set to 0, the low-latency service type identified by the Restricted TWT TDLS Service Bitmap field is invalid.
  • all service types are allowed to be transmitted between TDLS devices through the TDLS link.
  • the restricted TWT TDLS service bitmap valid identification bit may be included in the restricted TWT TDLS parameter information control (Restricted TWT TDLS Traffic Info Control) subfield in the restricted TWT TDLS service information (Restricted TWT TDLS Traffic Info) field.
  • FIG. 3 and FIG. 4 show application scenario schematic diagrams and process schematic diagrams of the communication method in the embodiment of the present disclosure.
  • the AP sends a first radio frame to TDLS device 1 and TDLS device 2 to broadcast R-TWT scheduling of low-latency services between TDLS devices through the TDLS link, as shown in step 41 in Figure 4.
  • the first radio frame includes a Beacon frame or a Probe Response frame; the first radio frame carries a TWT element.
  • the AP negotiates the R-TWT scheduling by receiving and responding to the first TWT setup frame (TWT Setup frame) sent by TDLS device 1 and TDLS device 2, as shown in step 42 in Figure 4.
  • TWT Setup frame the first TWT setup frame sent by TDLS device 1 and TDLS device 2, as shown in step 42 in Figure 4.
  • the TWT Request identification information of the first TWT establishment frame indicates that the first TWT establishment frame is a TWT establishment request; the first TWT establishment frame is a TWT establishment request, indicating that the TDLS device (the TDLS device that sends the first TWT establishment frame) requests to become a member of the R-TWT scheduling.
  • the TWT Request identification information can be 1 or 0.
  • the TWT Request identification information in the first TWT establishment frame sent by STA1 or STA2 to the AP is 1, indicating a request to become a member of the R-TWT scheduling;
  • the TWT Request identification information in the TWT establishment frame responded by the AP is 0, indicating that the TWT establishment frame is a TWT establishment response, indicating that the AP responds to the TWT establishment request sent by the TDLS device.
  • the TWT element corresponding to the R-TWT scheduling to which the TDLS devices (TDLS device 1 and TDLS device 2) join carries a restricted TWT TDLS service bitmap (Restricted TWT TDLS TID Bitmap), then within the corresponding SP scheduled in the R-TWT scheduling, services can be transmitted between the TDLS devices (TDLS device 1 and TDLS device 2) through the TDLS link, as shown in step 43 in Figure 4; otherwise, data exchange on the TDLS link is not performed between the TDLS devices, as shown in step 45 in Figure 4.
  • a restricted TWT TDLS service bitmap restricted TWT TDLS service bitmap
  • the TWT element carries a restricted TWT TDLS service bitmap (Restricted TWT TDLS TID Bitmap), and TDLS devices can transmit services through the TDLS link.
  • determine whether the restricted TWT TDLS service bitmap is valid (Restricted TWT TDLS TID Bitmap Valid) flag is 1, as shown in step 44 in Figure 4; if it is 1, within the corresponding R-TWT scheduling service time, TDLS devices can transmit the low-latency service identified by the restricted TWT TDLS service bitmap (Restricted TWT TDLS TID Bitmap) through the TDLS link, as shown in step 46 in Figure 4; otherwise, within the corresponding R-TWT scheduling service time, TDLS devices can exchange data of all service types through the TDLS link, as shown in step 47 in Figure 4.
  • R-TWT SP is not only used for low-latency service transmission between R-TWT scheduling AP and R-TWT scheduling member STA, but also supports R-TWT scheduling member STA to transmit low-latency services through TDLS link during the duration of TDLS R-TWT.
  • R-TWT mechanism Based on the R-TWT mechanism, the transmission of deterministic low-latency services is effectively guaranteed through a periodic target wake-up mechanism, thereby improving the transmission efficiency of low-latency communication services.
  • communication between STAs is realized in the absence of AP based on the TDLS link.
  • This peer-to-peer (P2P) communication method does not require data transmission through an access point, thus avoiding delays caused by network congestion, reducing the energy consumption of terminal devices, and improving data transmission efficiency.
  • the disclosed embodiment provides a communication method to further improve the R-TWT mechanism and ensure the transmission of low-latency services.
  • an embodiment of the present disclosure provides a communication method, which is applied to an access point device AP.
  • the method includes:
  • Step 501 determining a first radio frame; wherein the first radio frame includes first identification information, and the first identification information identifies a service type allowed to be transmitted between TDLS devices through a TDLS link within an SP scheduled by R-TWT;
  • the service types include low-latency services
  • Step 502 Send a first wireless frame.
  • TWT is a technology for energy saving, which aims to further reduce the power consumption of Wi-Fi networks.
  • TWT technology enables STA and AP to negotiate the service period (SP) to determine the STA sleep and wake-up time and frequency; STA remains active and communicates during the service time, so that it can sleep outside the service time to achieve the purpose of energy saving.
  • SP service period
  • TWT technology can also enable AP to provide higher quality services to multiple STAs, minimize competition or overlap, and improve spectrum efficiency while reducing the power consumption of Wi-Fi networks.
  • the restricted-target wake time (R-TWT) is proposed based on the technology of TWT.
  • the R-TWT mechanism allows the AP to use enhanced media access protection mechanisms and resource reservation mechanisms to provide more predictable delays to distinguish delay-sensitive traffic from other types of traffic, so that the AP can reduce the worst-case delay and/or reduce jitter to provide more reliable services.
  • the AP determines and sends a first radio frame, and the first radio frame includes first identification information, and the first identification information identifies the type of service that is allowed to be transmitted between TDLS devices through the TDLS link within the SP scheduled by the R-TWT; wherein the service type includes a low-latency service.
  • the first radio frame includes a beacon frame or a probe response frame.
  • the broadcast TWT parameter set field (Broadcast TWT set parameter) of the TWT element of the first wireless frame includes: a restricted TWT information field (Restricted TWT Info field);
  • the restricted TWT information field includes: restricted TWT information control (Restricted TWT Info Control) information;
  • the restricted TWT information control information includes: restricted TWT TDLS traffic information presence (Restricted TWT TDLS Traffic Info Present) flag;
  • the restricted TWT information field includes a restricted TWT TDLS traffic information (Restricted TWT TDLS Traffic Info) field;
  • the first identification information is carried in the restricted TWT TDLS service information field.
  • the identification bit for limiting the TWT TDLS service information is set to a first parameter value, and the first parameter value indicates that the limited TWT information field includes a limited TWT TDLS service information field.
  • the identification bit for limiting the existence of TWT TDLS service information is included in the TWT element of the first wireless frame.
  • the first parameter value may be set to 1, that is, when the TWT TDLS service information restriction existence flag is set to 1, the TWT information restriction field includes the TWT TDLS service information restriction field.
  • the broadcast TWT parameter set field (Broadcast TWT set parameter) of the TWT element of the first wireless frame includes: a restricted TWT information field (Restricted TWT Info field);
  • the restricted TWT information field includes: restricted TWT TDLS parameter information (R-TWT TDLS Parameter Info) field;
  • the restricted TWT TDLS parameter information control (Restricted TWT TDLS Parameter Info Control) field of the restricted TWT TDLS parameter information field includes: a restricted TWT TDLS traffic information presence (Restricted TWT TDLS Traffic Info Present) flag bit;
  • the restricted TWT TDLS parameter information (R-TWT TDLS Parameter Info) field includes: restricted TWT TDLS traffic information (Restricted TWT TDLS Traffic Info) field;
  • the first identification information is carried in the restricted TWT TDLS service information field.
  • the TWT TDLS service information restriction presence flag is set to a second parameter value, and the second parameter value indicates that the TWT TDLS service information restriction parameter information field includes a TWT TDLS service information restriction field.
  • the identification bit for limiting the existence of TWT TDLS service information is included in the TWT element of the first wireless frame.
  • the second parameter value can be set to 1, that is, when the TWT TDLS service information restriction existence flag is set to 1, the TWT TDLS service information restriction field includes: the TWT TDLS service information restriction field.
  • the first identification information includes: a restricted TWT TDLS service bitmap (Restricted TWT TDLS TID Bitmap) field in the restricted TWT TDLS service information field.
  • a restricted TWT TDLS service bitmap restricted TWT TDLS TID Bitmap
  • the restricted TWT TDLS service bitmap field can be used to identify the type of low-latency service transmitted through the TDLS link between TDLS devices within the SP scheduled by R-TWT.
  • the restricted TWT TDLS service information field also includes: a restricted TWT TDLS service bitmap valid (Restricted TWT TDLS TID Bitmap Valid) flag bit;
  • the restricted TWT TDLS service bitmap is valid (Restricted TWT TDLS TID Bitmap Valid) flag is set to the third parameter value, within the SP scheduled by R-TWT, the service type allowed to be transmitted between TDLS devices through the TDLS link is the low-latency service identified by the first identification information (TWT TDLS service bitmap field);
  • the restricted TWT TDLS service bitmap valid identification bit may be included in the restricted TWT TDLS parameter information control (Restricted TWT TDLS Traffic Info Control) subfield in the restricted TWT TDLS service information (Restricted TWT TDLS Traffic Info) field.
  • the third parameter value can be set to 1; that is, when the TWT TDLS service bitmap valid identification bit is set to 1, within the SP scheduled by R-TWT, the service type allowed to be transmitted between TDLS devices through the TDLS link is the low-latency service identified by the first identification information (TWT TDLS service bitmap field);
  • the method includes:
  • TWT Setup frame (TWT Setup frame) sent by the TDLS device
  • the TWT Request identification information of the first TWT establishment frame indicates that the first TWT establishment frame is a TWT establishment request; the first TWT establishment frame indicates that the TDLS device requests to become a member of the R-TWT scheduling.
  • the AP negotiates R-TWT scheduling by receiving and responding to the first TWT setup frame (TWT Setup frame) sent by TDLS device 1 and TDLS device 2.
  • TWT Setup frame the first TWT setup frame sent by TDLS device 1 and TDLS device 2.
  • the TWT Request identification information can be 1 or 0.
  • the TWT Request identification information in the first TWT establishment frame sent by STA1 or STA2 to the AP is 1, indicating a request to become a member of the R-TWT scheduling; the TWT Request identification information of the AP response is 0, indicating that the TDLS device becomes a member of the R-TWT scheduling.
  • the AP determines and sends a first wireless frame; wherein the first wireless frame includes first identification information, and the first identification information identifies the type of service that is allowed to be transmitted between TDLS devices through the TDLS link within the SP scheduled by R-TWT; the service type includes low-latency service; and the R-TWT SP is not only used for low-latency service transmission between the R-TWT scheduled AP and the R-TWT scheduled member STA, but also supports the R-TWT scheduled member STA to transmit low-latency services through the TDLS link during the TDLS R-TWT duration.
  • the transmission of deterministic low-latency services is effectively guaranteed through a periodic target wake-up mechanism, thereby improving the transmission efficiency of low-latency communication services.
  • communication between STAs is realized in the absence of an AP.
  • This peer-to-peer (P2P) communication method does not require data transmission through an access point, thereby avoiding delays caused by network congestion, reducing the energy consumption of terminal devices, and improving data transmission efficiency.
  • the disclosed embodiment provides a communication method to further improve the R-TWT mechanism and ensure the transmission of low-latency services.
  • an embodiment of the present disclosure provides a communication method.
  • the method is applied to a TDLS device.
  • the method includes:
  • Step 601 Receive a first wireless frame; wherein the first wireless frame includes first identification information, and the first identification information identifies a service type allowed to be transmitted between TDLS devices through a TDLS link within an SP scheduled by R-TWT.
  • the service types include low-latency services.
  • the TDLS device receives the first radio frame, obtains the first identification information included in the first radio frame, and determines the service type transmitted between the TDLS devices through the TDLS link through the first identification information, wherein the service type includes a low-latency service.
  • the first wireless frame includes a beacon frame or a probe response frame.
  • the broadcast TWT parameter set field (Broadcast TWT set parameter) of the TWT element of the first wireless frame includes: a restricted TWT information field (Restricted TWT Info field);
  • the restricted TWT information field includes: restricted TWT information control (Restricted TWT Info Control) information;
  • the restricted TWT information control information includes: restricted TWT TDLS traffic information presence (Restricted TWT TDLS Traffic Info Present) flag;
  • the restricted TWT information field includes a restricted TWT TDLS service information (Restricted TWT TDLS Traffic Info) field;
  • the first identification information is carried in the restricted TWT TDLS service information field.
  • the identification bit for limiting the TWT TDLS service information is set to a first parameter value, and the first parameter value indicates that the limited TWT information field includes a limited TWT TDLS service information field.
  • the identification bit for limiting the existence of TWT TDLS service information is included in the TWT element of the first wireless frame.
  • the first parameter value may be set to 1, that is, when the TWT TDLS service information restriction existence flag is set to 1, the TWT information restriction field includes the TWT TDLS service information restriction field.
  • the broadcast TWT parameter set field (Broadcast TWT set parameter) of the TWT element of the first wireless frame includes: a restricted TWT information field (Restricted TWT Info field);
  • the restricted TWT information field includes: restricted TWT TDLS parameter information (R-TWT TDLS Parameter Info) field;
  • the restricted TWT TDLS parameter information control (Restricted TWT TDLS Parameter Info Control) field of the restricted TWT TDLS parameter information field includes: a restricted TWT TDLS traffic information presence (Restricted TWT TDLS Traffic Info Present) flag bit;
  • the restricted TWT TDLS parameter information (R-TWT TDLS Parameter Info) field includes: restricted TWT TDLS traffic information (Restricted TWT TDLS Traffic Info) field;
  • the first identification information is carried in the restricted TWT TDLS service information field.
  • the identification bit for limiting the TWT TDLS service information is set to a second parameter value, and the second parameter value indicates that the TWT TDLS parameter information field for limiting the TWT TDLS service information field includes a TWT TDLS service information field for limiting the TWT TDLS service information field.
  • the identification bit for limiting the existence of TWT TDLS service information is included in the TWT element of the first wireless frame.
  • the second parameter value can be set to 1, that is, when the TWT TDLS service information restriction existence flag is set to 1, the TWT TDLS service information restriction field includes: the TWT TDLS service information restriction field.
  • the first identification information includes: a restricted TWT TDLS service bitmap (Restricted TWT TDLS TID Bitmap) field in the restricted TWT TDLS service information field.
  • a restricted TWT TDLS service bitmap restricted TWT TDLS TID Bitmap
  • the restricted TWT TDLS service bitmap field can be used to identify the type of low-latency service transmitted through the TDLS link between TDLS devices within the SP scheduled by R-TWT.
  • the restricted TWT TDLS service information field also includes: a restricted TWT TDLS service bitmap valid (Restricted TWT TDLS TID Bitmap Valid) identification bit;
  • the restricted TWT TDLS service bitmap is valid (Restricted TWT TDLS TID Bitmap Valid) flag is set to the third parameter value, within the SP scheduled by R-TWT, the service type allowed to be transmitted between TDLS devices through the TDLS link is the low-latency service identified by the first identification information (TWT TDLS service bitmap field);
  • the restricted TWT TDLS service bitmap valid identification bit may be included in the restricted TWT TDLS parameter information control (Restricted TWT TDLS Traffic Info Control) field in the restricted TWT TDLS service information (Restricted TWT TDLS Traffic Info) field.
  • the third parameter value may be set to 1, that is, when the TWT TDLS service bitmap valid flag is set to 1, the low-latency service type identified by the TWT TDLS service bitmap field is valid.
  • the service type allowed to be transmitted between TDLS devices through the TDLS link is the low-latency service identified by the TWT TDLS service bitmap field.
  • the fourth parameter value may be set to 0, that is, when the Restricted TWT TDLS TID Bitmap Valid flag is set to 0, the low-latency service type identified by the Restricted TWT TDLS Service Bitmap field is invalid.
  • all service types are allowed to be transmitted between TDLS devices through the TDLS link.
  • the method includes:
  • a first TWT setup frame (TWT Setup frame) is sent to the access point device AP; wherein the TWT Request identification information of the first TWT setup frame indicates that the first TWT setup frame is a TWT setup request; the first TWT setup frame indicates that the TDLS device requests to become a member of the R-TWT scheduling;
  • the TWT Request identification information of the second TWT establishment frame indicates that the second TWT establishment frame is a TWT establishment response; the second TWT establishment frame is sent in response to the first TWT establishment frame.
  • the TWT Request identification information can be 1 or 0.
  • the TWT Request identification information in the first TWT establishment frame sent by STA1 or STA2 to the AP is 1, indicating a request to become a member of the R-TWT scheduling;
  • the TWT Request identification information in the TWT establishment frame responded by the AP is 0, indicating that the TWT establishment frame is a TWT establishment response, indicating that the AP responds to the TWT establishment request sent by the TDLS device.
  • the method after receiving the second TWT establishment frame fed back by the AP, the method includes:
  • service data is transmitted through the TDLS link according to the service type identified by the first identification information.
  • service data can be transmitted through the TDLS link according to the service type identified by the first identification information.
  • transmitting service data through the TDLS link according to the service type identified by the first identification information includes:
  • the effective identification bit of the restricted TWT TDLS service bitmap is set to the third parameter value, the low-latency service identified by the restricted TWT TDLS service bitmap field is transmitted through the TDLS link;
  • TWT TDLS service bitmap valid flag When the TWT TDLS service bitmap valid flag is set to the fourth parameter value, service data of all service types are transmitted through the TDLS link.
  • the third parameter value can be set to 1; that is, when the TWT TDLS service bitmap valid identification bit is set to 1, within the SP scheduled by R-TWT, the service type transmitted between TDLS devices through the TDLS link is the low-latency service identified by the first identification information (TWT TDLS service bitmap field);
  • the fourth parameter value can be set to 0; when the TWT TDLS service bitmap valid flag is set to 0, within the SP scheduled by R-TWT, service data of all service types are transmitted between TDLS devices through the TDLS link.
  • R-TWT SP is not only used for low-latency service transmission between R-TWT scheduling AP and R-TWT scheduling member STA, but also supports R-TWT scheduling member STA to transmit low-latency services through TDLS link during the duration of TDLS R-TWT.
  • R-TWT mechanism Based on the R-TWT mechanism, the transmission of deterministic low-latency services is effectively guaranteed through a periodic target wake-up mechanism, thereby improving the transmission efficiency of low-latency communication services.
  • communication between STAs is realized in the absence of AP.
  • This peer-to-peer (P2P) communication method does not require data transmission through an access point, thus avoiding delays caused by network congestion, reducing the energy consumption of terminal devices, and improving data transmission efficiency.
  • the disclosed embodiment provides a communication method to further improve the R-TWT mechanism and ensure the transmission of low-latency services.
  • the embodiment of the present disclosure further provides an electronic device, the electronic device is an access point device AP, and the electronic device includes:
  • the determination module 701 is used to determine a first radio frame; wherein the first radio frame includes first identification information, and the first identification information identifies a service type allowed to be transmitted between TDLS devices through a TDLS link within an SP scheduled by R-TWT;
  • the service types include low-latency services
  • the sending module 702 is configured to send a first radio frame.
  • the embodiment of the present disclosure also provides a low-latency service transmission device, which is applied to an access point device AP, and the device includes:
  • a radio frame determination module configured to determine a first radio frame; wherein the first radio frame includes first identification information, the first identification information identifies a service type allowed to be transmitted between TDLS devices over a TDLS link within an SP scheduled by R-TWT;
  • the wireless frame sending module is used to send a first wireless frame.
  • the device also includes other modules of the electronic device in the aforementioned embodiment, which will not be described in detail here.
  • the embodiment of the present disclosure further provides an electronic device, the electronic device is a TDLS device, and the electronic device includes:
  • the receiving module 801 is configured to receive a first radio frame
  • the first radio frame includes first identification information, and the first identification information identifies a service type allowed to be transmitted between TDLS devices over a TDLS link within an SP scheduled by the R-TWT;
  • the service types include low-latency services.
  • the embodiment of the present disclosure further provides a low-latency service transmission device, which is applied to a first TDLS device, and the device includes:
  • a wireless frame receiving module configured to receive a first wireless frame
  • the first radio frame includes first identification information, and the first identification information identifies a service type allowed to be transmitted between TDLS devices over a TDLS link within an SP scheduled by the R-TWT;
  • the service types include low-latency services.
  • the device also includes other modules of the electronic device in the aforementioned embodiment, which will not be described in detail here.
  • the embodiment of the present disclosure further provides an electronic device, as shown in FIG9
  • the electronic device 700 shown in FIG9 may be a server, including: a processor 701 and a memory 703.
  • the processor 701 and the memory 703 are connected, such as through a bus 702.
  • the electronic device 700 may further include a transceiver 704. It should be noted that in actual applications, the transceiver 704 is not limited to one, and the structure of the electronic device 700 does not constitute a limitation on the embodiment of the present disclosure.
  • Processor 701 may be a CPU (Central Processing Unit), a general-purpose processor, a DSP (Digital Signal Processor), an ASIC (Application Specific Integrated Circuit), an FPGA (Field Programmable Gate Array) or other programmable logic devices, transistor logic devices, hardware components or any combination thereof. It may implement or execute various exemplary logic blocks, modules and circuits described in conjunction with the disclosure of the present invention. Processor 701 may also be a combination that implements computing functions, such as a combination of one or more microprocessors, a combination of a DSP and a microprocessor, etc.
  • the bus 702 may include a path for transmitting information between the above components.
  • the bus 702 may be a PCI (Peripheral Component Interconnect) bus or an EISA (Extended Industry Standard Architecture) bus, etc.
  • the bus 702 may be divided into an address bus, a data bus, a control bus, etc.
  • FIG9 only uses a thick line, but it does not mean that there is only one bus or one type of bus.
  • the memory 703 may be a ROM (Read Only Memory) or a storable
  • the invention may be a static storage device that can store static information and instructions, a RAM (Random Access Memory) or other types of dynamic storage devices that can store information and instructions, or an EEPROM (Electrically Erasable Programmable Read Only Memory), a CD-ROM (Compact Disc Read Only Memory) or other optical disk storage, optical disk storage (including compressed optical disk, laser disk, optical disk, digital versatile disk, Blu-ray disk, etc.), a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store the desired program code in the form of instructions or data structures and can be accessed by a computer, but is not limited to this.
  • the memory 703 is used to store application code for executing the solution of the present disclosure, and the execution is controlled by the processor 701.
  • the processor 701 is used to execute the application code stored in the memory 703 to implement the content shown in the above method embodiment.
  • the electronic devices include, but are not limited to, mobile phones, laptop computers, digital broadcast receivers, PDAs (personal digital assistants), PADs (tablet computers), PMPs (portable multimedia players), vehicle-mounted terminals (such as vehicle-mounted navigation terminals), etc., and fixed terminals such as digital TVs, desktop computers, etc.
  • PDAs personal digital assistants
  • PADs tablet computers
  • PMPs portable multimedia players
  • vehicle-mounted terminals such as vehicle-mounted navigation terminals
  • fixed terminals such as digital TVs, desktop computers, etc.
  • the electronic device shown in FIG8 is only an example and should not bring any limitation to the functions and scope of use of the embodiments of the present disclosure.
  • the server provided by the present disclosure may be an independent physical server, or a server cluster or distributed system composed of multiple physical servers, or a cloud server that provides basic cloud computing services such as cloud services, cloud databases, cloud computing, cloud functions, cloud storage, network services, cloud communications, middleware services, domain name services, security services, CDN, and big data and artificial intelligence platforms.
  • the terminal may be a smart phone, tablet computer, laptop computer, desktop computer, smart speaker, smart watch, etc., but is not limited thereto.
  • the terminal and the server may be directly or indirectly connected via wired or wireless communication, which is not limited by the present disclosure.
  • An embodiment of the present disclosure provides a computer-readable storage medium, on which a computer program is stored.
  • the computer-readable storage medium is run on a computer, the computer can execute the corresponding contents of the aforementioned method embodiment.
  • the computer-readable medium of the present disclosure may be a computer-readable signal medium or a computer-readable storage medium or any combination of the two.
  • the 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 of the above. More specific examples of computer-readable storage media may include, but are not limited to: an electrical connection with one or more wires, a portable computer, or a computer program product.
  • a computer readable storage medium may be any tangible medium containing or storing a program that can be used by or in combination with an instruction execution system, device or device.
  • a computer readable signal medium may include a data signal propagated in a baseband or as part of a carrier wave, which carries a computer readable program code. Such propagated data signals may take a variety of forms, including but not limited to electromagnetic signals, optical signals, or any suitable combination of the above.
  • a computer readable signal medium may also be any computer readable medium other than a computer readable storage medium, which may send, propagate, or transmit a program for use by or in combination with an instruction execution system, device or device.
  • the program code contained on the computer readable medium may be transmitted using any suitable medium, including but not limited to: wires, optical cables, RF (radio frequency), etc., or any suitable combination of the above.
  • the computer-readable medium may be included in the electronic device, or may exist independently without being incorporated into the electronic device.
  • the computer-readable medium carries one or more programs.
  • the electronic device executes the method shown in the above embodiment.
  • a computer program product or a computer program includes computer instructions, the computer instructions are stored in a computer-readable storage medium.
  • a processor of a computer device reads the computer instructions from the computer-readable storage medium, and the processor executes the computer instructions, so that the computer device performs the methods provided in the above-mentioned various optional implementations.
  • Computer program code for performing the operations of the present disclosure may be written in one or more programming languages, or a combination thereof, including object-oriented programming languages, such as Java, Smalltalk, C++, and conventional procedural programming languages, such as "C" or similar programming languages.
  • the program code may be executed entirely on the user's computer, partially on the user's computer, as a separate software package, partially on the user's computer and partially on a remote computer, or entirely on a remote computer or server.
  • the remote computer may be connected to the user's computer through any type of network, including a local area network (LAN) or a wide area network (WAN), or may be connected to an external computer (e.g., through the Internet using an Internet service provider).
  • LAN local area network
  • WAN wide area network
  • Internet service provider e.g., AT&T, MCI, Sprint, EarthLink, MSN, GTE, etc.
  • each box in the flowchart or block diagram may represent a module, a program segment, or a portion of code, which contains one or more executable instructions for implementing the specified logical functions.
  • the functions marked in the boxes may also occur in an order different from that marked in the accompanying drawings. For example, two boxes represented in succession may actually be executed substantially in parallel, and they may sometimes be executed in the opposite order, depending on the functions involved.
  • each box, block diagram and/or flowchart, As well as combinations of blocks in the block diagrams and/or flowcharts, may be implemented by dedicated hardware-based systems that perform the specified functions or operations, or may be implemented by a combination of dedicated hardware and computer instructions.
  • modules involved in the embodiments described in the present disclosure may be implemented by software or hardware.
  • the name of a module does not limit the module itself in some cases.
  • module A may also be described as "module A for performing operation B".

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  • Mobile Radio Communication Systems (AREA)

Abstract

Les modes de réalisation de la présente divulgation, qui relèvent du domaine technique des communications mobiles, concernent un procédé de communication, un dispositif électronique et un support de stockage. Le procédé de communication selon les modes de réalisation de la présente divulgation comprend : la détermination d'une première trame radioélectrique, la première trame radioélectrique comprenant des premières informations d'identification, et les premières informations d'identification identifiant les types de trafics dont la transmission est autorisée, dans une période SP planifiée de temps R-TWT, entre des dispositifs TDLS au moyen de liaisons TDLS, les types de trafics comprenant un trafic à faible latence ; et l'envoi de la première trame radioélectrique. Les modes de réalisation de la présente divulgation concernent en outre un mode de transmission de données de trafic à faible latence.
PCT/CN2023/095641 2023-05-22 2023-05-22 Procédé de communication, dispositif électronique et support de stockage Pending WO2024239217A1 (fr)

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CN202380009501.3A CN116868618A (zh) 2023-05-22 2023-05-22 通信方法、电子设备及存储介质
PCT/CN2023/095641 WO2024239217A1 (fr) 2023-05-22 2023-05-22 Procédé de communication, dispositif électronique et support de stockage

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US20220132428A1 (en) * 2020-10-27 2022-04-28 Facebook Technologies, Llc Systems and method of target wake time for peer-to-peer communication
US20230021113A1 (en) * 2021-07-09 2023-01-19 Samsung Electronics Co., Ltd. Restricted twt operation for peer-to-peer communication
US20230104446A1 (en) * 2021-09-22 2023-04-06 Qualcomm Incorporated Low latency schemes for peer-to-peer (p2p) communications
WO2023069691A1 (fr) * 2021-10-21 2023-04-27 Meta Platforms Technologies, Llc Systèmes et procédés de twt restreint pour communication sans fil
CN116724608A (zh) * 2023-03-30 2023-09-08 北京小米移动软件有限公司 通信方法、电子设备及存储介质

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US20220132428A1 (en) * 2020-10-27 2022-04-28 Facebook Technologies, Llc Systems and method of target wake time for peer-to-peer communication
US20230021113A1 (en) * 2021-07-09 2023-01-19 Samsung Electronics Co., Ltd. Restricted twt operation for peer-to-peer communication
US20230104446A1 (en) * 2021-09-22 2023-04-06 Qualcomm Incorporated Low latency schemes for peer-to-peer (p2p) communications
WO2023069691A1 (fr) * 2021-10-21 2023-04-27 Meta Platforms Technologies, Llc Systèmes et procédés de twt restreint pour communication sans fil
CN116724608A (zh) * 2023-03-30 2023-09-08 北京小米移动软件有限公司 通信方法、电子设备及存储介质

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