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WO2024108440A1 - Tdls通信方法、电子设备及存储介质 - Google Patents

Tdls通信方法、电子设备及存储介质 Download PDF

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Publication number
WO2024108440A1
WO2024108440A1 PCT/CN2022/133815 CN2022133815W WO2024108440A1 WO 2024108440 A1 WO2024108440 A1 WO 2024108440A1 CN 2022133815 W CN2022133815 W CN 2022133815W WO 2024108440 A1 WO2024108440 A1 WO 2024108440A1
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WIPO (PCT)
Prior art keywords
channel
tdls
low
identifier
latency service
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Application number
PCT/CN2022/133815
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English (en)
French (fr)
Inventor
董贤东
Original Assignee
北京小米移动软件有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 北京小米移动软件有限公司 filed Critical 北京小米移动软件有限公司
Priority to PCT/CN2022/133815 priority Critical patent/WO2024108440A1/zh
Priority to CN202280005023.4A priority patent/CN118383061A/zh
Publication of WO2024108440A1 publication Critical patent/WO2024108440A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements

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 TDLS communication method, an electronic device, and a storage medium.
  • the Tunneled Direct Link Setup (TDLS) mechanism is of great significance for the transmission of low latency services; therefore, it is necessary to provide a method for transmitting low latency services through the TDLS mechanism to support UHR.
  • TDLS Tunneled Direct Link Setup
  • the embodiments of the present disclosure provide a TDLS communication method, an electronic device, and a storage medium to provide a way to transmit low-latency services through a TDLS mechanism.
  • the first wireless frame is sent to instruct the access point device to broadcast the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • an embodiment of the present disclosure further provides a TDLS communication method, which is applied to an access point device AP, and the method includes:
  • the embodiment of the present disclosure further provides a TDLS communication method, which is applied to a second station device STA, and the method includes:
  • an embodiment of the present disclosure further provides an electronic device, where the electronic device is a first station device STA, and the electronic device includes:
  • a determination module configured to determine a first wireless frame; the first wireless frame includes a first identifier, the first identifier indicating that a first STA transmits a low-latency service and indicating that a channel corresponding to a transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel;
  • a sending module is used to send the first wireless frame, instructing the access point device to broadcast the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • a first receiving module is configured to receive a first wireless frame; the first wireless frame includes a first identifier, the first identifier indicates that a first station device STA transmits a low-latency service and indicates that a channel corresponding to a transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel;
  • a transmission module is used for broadcasting the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • an embodiment of the present disclosure further provides an electronic device, where the electronic device is a second station device STA, and the electronic device includes:
  • a second receiving module is configured to receive a second wireless frame broadcast by an access point device; wherein the second wireless frame includes a second identifier and SP information of the low-latency service; the second identifier indicates that the first STA transmits the low-latency service and indicates a TDLS channel or an off-channel TDLS channel of the low-latency service;
  • a confirmation module is used to send a confirmation message frame to the access point device.
  • 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 described 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 of the methods described in the embodiments of the present disclosure are implemented.
  • FIG1 is a flow chart of a TDLS communication method according to an embodiment of the present disclosure
  • FIG2 is a schematic diagram of a first example of an embodiment of the present disclosure
  • FIG7 is a second structural diagram of an electronic device provided in an embodiment of the present disclosure.
  • FIG8 is a third structural diagram of an electronic device provided in an embodiment of the present disclosure.
  • FIG. 9 is a third schematic diagram of the structure of the electronic device provided in the 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 TDLS communication method, an electronic device, and a storage medium, which are used to provide a way to transmit low-latency services through the TDLS mechanism.
  • 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.
  • an embodiment of the present disclosure provides a TDLS communication method.
  • the method can be applied to a first station device (Station, STA);
  • an access point (Access Point, AP) device is, for example, a device with a wireless to wired bridging function, and the AP is responsible for extending the services provided by the wired network to the wireless network;
  • the station STA is, for example, an electronic device with a wireless network access function, and provides a frame delivery (Frame Delivery) service to enable information to be transmitted.
  • the method may include the following steps:
  • Step 101 determine a first wireless frame; the first wireless frame includes a first identifier, the first identifier indicates that a first STA transmits a low-latency service and indicates that a channel corresponding to the transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel.
  • a Basic Service Set can be composed of an AP and one or more stations (STA) communicating with the AP.
  • a Basic Service Set can be connected to a Distribution System (DS) through its AP, and then connected to another Basic Service Set to form an Extended Service Set (ESS).
  • DS Distribution System
  • ESS Extended Service Set
  • AP1 and STA1 form BSS1
  • AP2 and STA2 form BSS2; if the coverage of two or more BSSs overlap, an Overlapping Basic Service Set (BSS, OBSS) is formed.
  • BSS1 and BSS2 overlap to form an OBSS.
  • AP and STA may be devices supporting multiple connections, for example, may be represented as AP MLD and non-AP MLD, respectively; AP MLD may represent an access point supporting multiple connection communication functions, and non-AP MLD may represent a site supporting multiple connection communication functions.
  • AP MLD may include three subordinate APs, such as AP1, AP2 and AP3 as shown in FIG3 ; each AP may work in connection 1, connection 2 and connection 3 respectively; non-AP MLD may also include three subordinate STAs, such as STA1, STA2 and STA3 as shown in FIG2 ; STA1 works in connection 1, STA2 works in connection 2 and STA3 works in connection 3.
  • Link 1 to Link 3 may be multiple connections at different frequencies, for example, connections at 2.4 GHz, 5 GHz, and 6 GHz, or several connections of the same or different bandwidths at 2.4 GHz.
  • multiple channels may exist under each connection.
  • an AP MLD may be connected to multiple (three) non-AP MLDs, or under each connection, an AP may communicate with multiple other types of stations.
  • TDLS technology allows two STAs in the same BSS to directly skip the AP to transmit data after establishing a TDLS connection, so that they are not constrained by the AP and use the fastest rate standard supported by the two STAs for direct transmission.
  • Direct transmission can be carried out on the original channel or switched to a new extended channel. Therefore, it can avoid data transmission delays caused by network congestion, which is of great significance for the transmission of low-latency services.
  • the first STA is the STA that initiates the establishment of the TDLS channel
  • the second STA is the first STA, which is the target STA that initiates the TDLS connection establishment (TDLS Setup);
  • the first STA establishes a TDLS connection with the second STA through the AP, and can establish multiple TDLS connections with multiple STAs.
  • These TDLS connections can be non-simultaneous transmitting and receiving (NSTR) connection pairs or simultaneous transmitting and receiving (STR) connection pairs.
  • the first STA determines a first radio frame and carries a first identifier in the first radio frame; the first identifier, on the one hand, identifies that the first STA is about to transmit the low-latency service, and on the other hand, identifies the TDLS channel (base channel) or TDLS channel or extended off-channel TDLS channel corresponding to the transmission identifier (Traffic Identifier, TID) of the low-latency service, so as to map the TID of the low-latency service to the TDLS channel or off-channel TDLS channel; for example, the TDLS channel operates in the 2.4 GHz frequency band, and the off-channel TDLS channel operates in the 5 GHz frequency band.
  • TID Transmission Identifier
  • Step 102 Send the first wireless frame to instruct the access point device to broadcast the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • the first STA sends a first wireless frame, so that the AP broadcasts, according to the first identifier, that the first STA is about to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel; for example, taking the establishment of a restricted target wake time (rTWT) mechanism as an example, the AP determines the rTWT information element corresponding to the TID according to the TID, and then broadcasts the first STA in the rTWT information element to perform TDLS communication transmission of the low-latency service; after receiving the rTWT information element broadcast by the AP, the STA confirms whether the service period (Service Period, SP) of the RTWT is allocated to itself according to the broadcast TWT ID and the address of the AP.
  • rTWT restricted target wake time
  • the embodiment of the present disclosure provides a TDLS communication method.
  • the method may be applied to a first station device (Station, STA).
  • the method may include the following steps:
  • the first wireless frame includes a first identifier
  • the first identifier indicates that the first STA transmits a low-latency service and indicates that a channel corresponding to the transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel
  • the first identifier is carried in a buffer status report (Buffer Status Report, BSR) of the first wireless frame, and the first STA notifies the AP through the BSR that the low-latency service is about to be transmitted;
  • BSR Buffer Status Report
  • the first wireless frame is sent to instruct the access point device to broadcast the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • the embodiment of the present disclosure provides a TDLS communication method.
  • the method may be applied to a first station device (Station, STA).
  • the method may include the following steps:
  • the first wireless frame includes a first identifier
  • the first identifier indicates that the first STA transmits a low-latency service and indicates that a channel corresponding to the transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel
  • the first identifier is carried in a buffer status report BSR of the first wireless frame, and the first STA notifies the AP through the BSR that the low-latency service is about to be transmitted.
  • the first wireless frame is sent to instruct the access point device to broadcast the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • the second wireless frame includes a second identifier and service period SP information; the second identifier indicates that the first STA transmits a low-latency service and indicates a TDLS channel or an off-channel TDLS channel of the low-latency service;
  • the first STA sends a first wireless frame, causing the AP to broadcast a second wireless frame, wherein the second wireless frame includes a second identifier and SP information during the service; the second identifier indicates that the first STA transmits a low-latency service and indicates a TDLS channel or an off-channel TDLS channel for the low-latency service; for example, taking the establishment of the rTWT mechanism as an example, the AP determines the rTWT information element corresponding to the TID based on the TID, and then carries the rTWT information element in the second wireless frame, and broadcasts the second wireless frame to broadcast the first STA through the second identifier for TDLS communication transmission of low-latency services.
  • the STA After receiving the rTWT information element broadcast by the AP, the STA confirms whether the RTWT service period (SP) is allocated to itself based on the broadcast TWT ID and the address of the AP, and transmits the low-latency service to the second STA on the TDLS channel or the off-channel TDLS channel within the SP allocated to the STA.
  • SP RTWT service period
  • the duration of the SP is determined according to the size of the BSR; the first STA sends the amount of data to be transmitted in the low-latency service to the AP through the BSR, the AP determines the data amount based on the BSR, and then allocates a service period for the low-latency service according to the amount of data to be transmitted.
  • the embodiment of the present disclosure provides a TDLS communication method.
  • the method may be applied to a first station device (Station, STA).
  • the method may include the following steps:
  • the first STA first maps the TID of the low-latency service to the corresponding TDLS channel or the off-channel TDLS channel;
  • the first wireless frame includes a first identifier, the first identifier indicates that the first STA transmits a low-latency service and indicates that a channel corresponding to the transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel;
  • the first wireless frame is sent to instruct the access point device to broadcast the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • the first STA determines a first radio frame, carries a first identifier in the first radio frame, indicates the first STA transmits a low-latency service and indicates a TDLS channel or an off-channel TDLS channel corresponding to the transmission identifier TID of the low-latency service; sends the first radio frame, instructs the AP to broadcast the first STA transmitting the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • the disclosed embodiment provides a method for transmitting low-latency services through the TDLS mechanism, making it suitable for UHR requirements.
  • an embodiment of the present disclosure provides a TDLS communication method.
  • the method may be applied to a network device, and the network device may be an access point device AP.
  • the method may include the following steps:
  • Step 401 receiving a first wireless frame; the first wireless frame includes a first identifier, the first identifier indicates that the first site device STA transmits a low-latency service and indicates that a channel corresponding to the transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel.
  • TDLS technology allows two STAs in the same BSS to directly skip the AP to transmit data after establishing a TDLS connection, so that they are not constrained by the AP and use the fastest rate standard supported by the two STAs for direct transmission.
  • Direct transmission can be carried out on the original channel or switched to a new extended channel. Therefore, it can avoid data transmission delays caused by network congestion, which is of great significance for the transmission of low-latency services.
  • the first STA is the STA that initiates the establishment of the TDLS channel
  • the second STA is the first STA, which is the target STA that initiates the TDLS connection establishment (TDLS Setup);
  • the first STA establishes a TDLS connection with the second STA through the AP, and can establish multiple TDLS connections with multiple STAs.
  • These TDLS connections can be non-simultaneous transmitting and receiving (NSTR) connection pairs or simultaneous transmitting and receiving (STR) connection pairs.
  • the AP receives a first wireless frame sent by the first STA and obtains a first identifier carried in the first wireless frame; the first identifier, on the one hand, identifies that the first STA is about to transmit the low-latency service, and on the other hand, identifies the TDLS channel (base channel) or TDLS channel or extended off-channel TDLS channel corresponding to the transmission identifier (Traffic Identifier, TID) of the low-latency service, so as to map the TID of the low-latency service to the TDLS channel or off-channel TDLS channel; for example, the TDLS channel operates in the 2.4 GHz frequency band, and the off-channel TDLS channel operates in the 5 GHz frequency band.
  • TID Transmission Identifier
  • Step 402 Broadcast the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • the AP broadcasts, based on the first identifier, that the first STA is about to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel; for example, taking the establishment of the rTWT mechanism as an example, the AP determines the rTWT information element corresponding to the TID based on the TID, and then broadcasts the first STA in the rTWT information element to perform TDLS communication transmission of the low-latency service.
  • the STA (the first STA and the second STA) confirms whether the service period (Service Period, SP) of the rTWT is allocated to itself based on the broadcast TWT ID and the address of the AP. Within the SP allocated to the STA, the first STA transmits the low-latency service to the second STA on the TDLS channel or the off-channel TDLS channel.
  • the embodiment of the present disclosure provides a TDLS communication method.
  • the method may be applied to a network device, and the network device may be an access point device AP.
  • the method may include the following steps:
  • a first wireless frame is received; the first wireless frame includes a first identifier, wherein the first identifier indicates that a first station device STA transmits a low-latency service and indicates that a channel corresponding to the transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel; the first identifier is carried in a buffer status report BSR of the first wireless frame, and the first STA notifies the AP through the BSR that a low-latency service is about to be transmitted.
  • the embodiment of the present disclosure provides a TDLS communication method.
  • the method may be applied to a network device, and the network device may be an access point device AP.
  • the method may include the following steps:
  • a first wireless frame is received; the first wireless frame includes a first identifier, wherein the first identifier indicates that a first site device STA transmits a low-latency service and indicates that a channel corresponding to the transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel; the first identifier is carried in a buffer status report BSR of the first wireless frame.
  • the step of broadcasting the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier includes:
  • the second radio frame includes a second identifier and SP information of the low-latency service; the second identifier indicates that the first STA transmits the low-latency service and indicates a TDLS channel or an off-channel TDLS channel of the low-latency service;
  • the second radio frame is broadcast.
  • the AP broadcasts a second wireless frame, which includes a second identifier and SP information during the service; the second identifier indicates that the first STA transmits a low-latency service and indicates a TDLS channel or an off-channel TDLS channel for the low-latency service; for example, taking the establishment of the rTWT mechanism as an example, the AP determines the rTWT information element corresponding to the TID based on the TID, and then carries the rTWT information element in the second wireless frame, and broadcasts the second wireless frame to broadcast the first STA through the second identifier for TDLS communication transmission of low-latency services.
  • the STA After receiving the rTWT information element broadcast by the AP, the STA (the first STA and the second STA) confirms whether the service period (SP) of the rTWT is allocated to itself according to the broadcast TWT ID and the address of the AP. Within the SP allocated to the STA, the first STA transmits the low-latency service to the second STA on the TDLS channel or the off-channel TDLS channel.
  • SP service period
  • the duration of the SP is determined according to the size of the BSR; the first STA sends the amount of data to be transmitted in the low-latency service to the AP through the BSR, the AP determines the data amount based on the BSR, and then allocates a service period for the low-latency service according to the amount of data to be transmitted.
  • the AP receives a first wireless frame, obtains a first identifier carried in the first wireless frame, and broadcasts the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • the embodiment of the present disclosure provides a method for transmitting low-latency services through the TDLS mechanism, which is suitable for UHR requirements.
  • an embodiment of the present disclosure provides a TDLS communication method.
  • the method may be applied to a second station device STA.
  • the method may include the following steps:
  • Step 501 receiving a second wireless frame broadcasted by an access point device; wherein the second wireless frame includes a second identifier and SP information of the low-latency service; the second identifier indicates that the first STA transmits the low-latency service and indicates a TDLS channel or an off-channel TDLS channel of the low-latency service;
  • the AP Before transmitting the low-latency service, the AP broadcasts through a second wireless frame that the first STA is about to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel; the second STA receives the second wireless frame, determines that the low-latency service is about to be transmitted in the TDLS channel or the off-channel TDLS channel according to the second identifier in the second wireless frame, and determines the time to receive the low-latency service through the SP information of the low-latency service.
  • Step 502 Send a confirmation message frame to the access point device.
  • the second STA sends a confirmation message frame to the AP, so that the AP and the first STA confirm that the low-latency service can be transmitted to the second STA on the TDLS channel or the off-channel TDLS channel.
  • the disclosed embodiment provides a method for transmitting low-latency services through the TDLS mechanism, making it suitable for UHR requirements.
  • the embodiment of the present disclosure further provides an electronic device, the electronic device is a first station device STA, and the electronic device includes:
  • the determination module 601 is used to determine a first radio frame; the first radio frame includes a first identifier, the first identifier indicates that the first STA transmits a low-latency service and indicates that a channel corresponding to the transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel;
  • the sending module 602 is used to send the first wireless frame, instructing the access point device to broadcast the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • the first identifier is carried in a buffer status report BSR of the first radio frame.
  • the electronic device further includes:
  • a third receiving module is configured to receive a second wireless frame broadcast by the access point device; wherein the second wireless frame includes a second identifier and service period SP information; the second identifier indicates that the first STA transmits a low-latency service and indicates a TDLS channel or an off-channel TDLS channel of the low-latency service;
  • An acquisition module is used to acquire the SP information, and transmit the low-latency service on the TDLS channel or the off-channel TDLS channel within the SP corresponding to the SP information.
  • the duration of the SP is determined according to the size of the BSR.
  • the electronic device further includes:
  • a channel determination module is used to determine the TDLS channel or the off-channel TDLS channel corresponding to the TID of one or more of the low-latency services.
  • the embodiment of the present disclosure further provides a TDLS communication device, which is applied to a first station device STA, and the device includes:
  • a wireless frame determination module configured to determine a first wireless frame; the first wireless frame includes a first identifier, the first identifier indicates that a first STA transmits a low-latency service and indicates that a channel corresponding to a transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel;
  • the wireless frame sending module is used to send the first wireless frame, instructing the access point device to broadcast the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • 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 first station device STA, and the electronic device includes:
  • the first receiving module 701 is used to receive a first wireless frame; the first wireless frame includes a first identifier, the first identifier indicates that the first station device STA transmits a low-latency service and indicates that the channel corresponding to the transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or expand an off-channel TDLS channel;
  • the transmission module 702 is used to broadcast the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • the first identifier is carried in a buffer status report BSR of the first radio frame.
  • the transmission module 702 includes:
  • the second radio frame includes a second identifier and SP information of the low-latency service; the second identifier indicates that the first STA transmits the low-latency service and indicates a TDLS channel or an off-channel TDLS channel of the low-latency service;
  • the second radio frame is broadcast.
  • the duration of the SP is determined according to the size of the BSR.
  • the embodiment of the present disclosure further provides a TDLS communication device, which is applied to a first station device STA, and the device includes:
  • a first receiving module is configured to receive a first wireless frame; the first wireless frame includes a first identifier, the first identifier indicates that a first station device STA transmits a low-latency service and indicates that a channel corresponding to a transmission identifier TID of the low-latency service is directly connected to establish a TDLS channel or extend an off-channel TDLS channel;
  • a transmission module is used for broadcasting the first STA to transmit the low-latency service in the TDLS channel or the off-channel TDLS channel according to the first identifier.
  • 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 first station device STA, and the electronic device includes:
  • the second receiving module 801 is used to receive a second wireless frame broadcast by the access point device; wherein the second wireless frame includes a second identifier and SP information of the low-latency service; the second identifier indicates that the first STA transmits the low-latency service and indicates a TDLS channel or an off-channel TDLS channel of the low-latency service;
  • the confirmation module 802 is configured to send a confirmation message frame to the access point device.
  • the embodiment of the present disclosure further provides a TDLS communication device, which is applied to a first station device STA, and the device includes:
  • a second receiving module is configured to receive a second wireless frame broadcast by an access point device; wherein the second wireless frame includes a second identifier and SP information of the low-latency service; the second identifier indicates that the first STA transmits the low-latency service and indicates a TDLS channel or an off-channel TDLS channel of the low-latency service;
  • a confirmation module is used to send a confirmation message frame to the access point device.
  • 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 900 shown in FIG9 may be a server, including: a processor 901 and a memory 903.
  • the processor 901 and the memory 903 are connected, such as through a bus 902.
  • the electronic device 900 may further include a transceiver 904. It should be noted that in actual applications, the transceiver 904 is not limited to one, and the structure of the electronic device 900 does not constitute a limitation on the embodiment of the present disclosure.
  • Processor 901 can 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 can implement or execute various exemplary logic blocks, modules and circuits described in conjunction with the disclosure of the present invention. Processor 901 can 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 902 may include a path for transmitting information between the above components.
  • the bus 902 may be a PCI (Peripheral Component Interconnect) bus or an EISA (Extended Industry Standard Architecture) bus, etc.
  • the bus 902 may be divided into an address bus, a data bus, a control bus, etc.
  • FIG. 9 is represented by only one thick line, but it does not mean that there is only one bus or one type of bus.
  • the memory 903 can be a ROM (Read Only Memory) or other types of static storage devices 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.), 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 these.
  • ROM Read Only Memory
  • RAM Random Access Memory
  • EEPROM Electrically Erasable Programmable Read Only Memory
  • CD-ROM Compact Disc Read Only Memory
  • optical disk storage including compressed optical disk, laser disk, optical disk, digital versatile disk, Blu-ray disk, etc.
  • magnetic disk storage medium or other magnetic storage device or any other medium
  • the memory 903 is used to store application code for executing the solution of the present disclosure, and the execution is controlled by the processor 901.
  • the processor 901 is used to execute the application code stored in the memory 903 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 FIG9 is only an example and should not limit 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 disclosed above may be a computer-readable signal medium or a computer-readable storage medium or any combination of the above 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.
  • Computer-readable storage media may include, but are not limited to: an electrical connection with one or more wires, a portable computer disk, a hard disk, a random access memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the above.
  • a computer-readable storage medium may be any tangible medium containing or storing a program that may 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, in which a computer-readable program code is carried.
  • This propagated data signal may take a variety of forms, including but not limited to an electromagnetic signal, an optical signal, or any suitable combination of the above.
  • the 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 conjunction with an instruction execution system, apparatus 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 comprising computer instructions, the computer instructions being 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 executes 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 square box in the flow chart or block diagram can represent a module, a program segment or a part of a code, and the module, the program segment or a part of the code contains one or more executable instructions for realizing the specified logical function.
  • the functions marked in the square box can also occur in a sequence different from that marked in the accompanying drawings. For example, two square boxes represented in succession can actually be executed substantially in parallel, and they can sometimes be executed in the opposite order, depending on the functions involved.
  • each square box in the block diagram and/or flow chart, and the combination of the square boxes in the block diagram and/or flow chart can be implemented with a dedicated hardware-based system that performs a specified function or operation, or can be implemented with 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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Abstract

本公开实施例涉及移动通信技术领域，提供了一种TDLS通信方法、电子设备及存储介质。所述TDLS通信方法应用于第一站点设备STA，所述方法包括：确定第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；发送所述第一无线帧，指示接入点设备根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。本公开实施例提供了一种通过TDLS机制传输低时延业务的方式。

Description

TDLS通信方法、电子设备及存储介质 技术领域
本公开实施例涉及移动通信技术领域，具体而言，本公开实施例涉及一种TDLS通信方法、电子设备及存储介质。
背景技术
随着移动通信技术的迅速发展，无线保真(Wireless Fidelity，Wi-Fi)技术在传输速率以及吞吐量等方面已经取得了巨大的进步。目前，Wi-Fi技术所研究的内容例如超高可靠性(Ultra High Reliability，UHR)，其愿景为提高无线局域网(Wireless Local Area Networks，WLAN)连接的可靠性、减少延迟、提高可管理性、在不同信噪比(Signal to Noise Ratio，SNR)级别下增加吞吐量并降低设备级功耗等。并且，在UHR中，为了提高系统的吞吐量，提出了在sub7GHz(吉赫兹)与45GHz和/或60GHz频段下同时进行通信的方式。
在UHR中，通道直接连接建立(Tunneled Direct Link Setup，TDLS)机制对于低时延(Low Latency)业务的传输具有重要意义；因此，需要提供一种通过TDLS机制传输低时延业务的方式，以支持UHR。
发明内容
本公开实施例提供了一种TDLS通信方法、电子设备及存储介质，以提供一种通过TDLS机制传输低时延业务的方式。
一方面，本公开实施例提供了一种TDLS通信方法，应用于第一站点设备STA，所述方法包括：
确定第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对 应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
发送所述第一无线帧，指示接入点设备根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
另一方面，本公开实施例还提供了一种TDLS通信方法，应用于接入点设备AP，所述方法包括：
接收第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一站点设备STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
另一方面，本公开实施例还提供了一种TDLS通信方法，应用于第二站点设备STA，所述方法包括：
第二接收模块，用于接收接入点设备广播的第二无线帧；其中，所述第二无线帧包括第二标识以及所述低时延业务的SP信息；所述第二标识指示第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
确认模块，用于向所述接入点设备发送确认消息帧。
另一方面，本公开实施例还提供了一种电子设备，所述电子设备为第一站点设备STA，所述电子设备包括：
确定模块，用于确定第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
发送模块，用于发送所述第一无线帧，指示接入点设备根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
另一方面，本公开实施例还提供了一种电子设备，所述电子设备为接 入点设备AP，所述电子设备包括：
第一接收模块，用于接收第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一站点设备STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
传输模块，用于根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
另一方面，本公开实施例还提供了一种电子设备，所述电子设备为第二站点设备STA，所述电子设备包括：
第二接收模块，用于接收接入点设备广播的第二无线帧；其中，所述第二无线帧包括第二标识以及所述低时延业务的SP信息；所述第二标识指示第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
确认模块，用于向所述接入点设备发送确认消息帧。
本公开实施例还提供了一种电子设备，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，处理器执行程序时实现如本公开实施例中一个或多个所述的方法。
本公开实施例还提供了一种计算机可读存储介质，该计算机可读存储介质上存储有计算机程序，该计算机程序被处理器执行时实现如本公开实施例中一个或多个所述的方法。
本公开实施例中，第一STA确定第一无线帧，在所述第一无线帧中携带第一标识，指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的TDLS信道或off-channel TDLS信道；发送所述第一无线帧，指示AP根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
本公开实施例附加的方面和优点将在下面的描述中部分给出，这些将从下面的描述中变得明显，或通过本公开的实践了解到。
附图说明
为了更清楚地说明本公开实施例的技术方案，下面将对本公开实施例的描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本公开的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。
图1为本公开实施例提供的TDLS通信方法的流程图之一；
图2为本公开实施例的第一示例的示意图之一；
图3为本公开实施例的第一示例的示意图之二；
图4为本公开实施例提供的TDLS通信方法的流程图之二；
图5为本公开实施例提供的TDLS通信方法的流程图之三；
图6为本公开实施例提供的电子设备的结构示意图之一；
图7为本公开实施例提供的电子设备的结构示意图之二；
图8为本公开实施例提供的电子设备的结构示意图之三；
图9为本公开实施例提供的电子设备的结构示意图之三。
具体实施方式
这里将详细地对示例性实施例进行说明，其示例表示在附图中。下面的描述涉及附图时除非另有表示，不同附图中的相同数字表示相同或相似的要素。以下示例性实施例中所描述的实施方式并不代表与本发明相一致的所有实施方式。相反，它们仅是与如所附权利要求书中所详述的、本发明的一些方面相一致的装置和方法的例子。
在本公开实施例中，使用的术语是仅仅出于描述特定实施例的目的，而非旨在限制本公开。在本公开和所附权利要求书中所使用的单数形式的“一种”、“所述”和“该”也是旨在包括多数形式，除非上下文清楚地表示其他含义。还应当理解，本文中使用的术语“和/或”是指并包含一个或多个相关联的列出项目的任何或所有可能组合。例如，A和/或B，可以表示：单独 存在A，同时存在A和B，单独存在B这三种情况。字符“/”一般表示前后关联对象是一种“或”的关系。术语“多个”是指两个或两个以上，鉴于此，本公开实施例中也可以将“多个”理解为“至少两个”。
应当理解，尽管在本公开可能采用术语第一、第二、第三等来描述各种信息，但这些信息不应限于这些术语。这些术语仅用来将同一类型的信息彼此区分开。例如，在不脱离本公开范围的情况下，第一信息也可以被称为第二信息，类似地，第二信息也可以被称为第一信息。取决于语境，例如，在此所使用的词语“如果”可以被解释成为“在……时”或“当……时”或“响应于确定”。
下面将结合本公开实施例中的附图，对本公开实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本公开一部分实施例，并不是全部的实施例。基于本公开中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本公开保护的范围。
本公开实施例提供了一种TDLS通信方法、电子设备及存储介质，用以提供一种通过TDLS机制传输低时延业务的方式。
其中，方法和装置是基于同一申请构思的，由于方法和装置解决问题的原理相似，因此装置和方法的实施可以相互参见，重复之处不再赘述。
如图1中所示，本公开实施例提供了一种TDLS通信方法，可选地，所述方法可应用于第一站点设备(Station，STA)；可选地，本公开实施例中，接入点(Access Point，AP)设备例如具有无线至有线桥接(Bridging)功能的设备，AP负责将有线网络所提供的服务延伸至无线网络；站STA例如具有无线网络接入功能的电子设备，提供帧传递(Frame Delivery)服务让信息得以传递。
该方法可以包括以下步骤：
步骤101，确定第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信 道。
在无线局域网中，一个基本服务集(Basic Service Sets Basic Service Set，BSS)可以由AP以及与AP通信的一个或多个站点(Station，STA)构成。一个基本服务集可以通过其AP连接到分配系统(Distribution System，DS)，然后再接入到另一个基本服务集，构成扩展的服务集(Extended Service Set，ESS)。作为第一示例，参见图2，AP1与STA1构成了BSS1，AP2与STA2构成了BSS2；两个及两个以上的BSS的覆盖范围重叠，则形成重叠基本服务集(Overlapping Basic Service Sets Basic Service Set，BSS，OBSS)，如图2中，BSS1与BSS2重叠形成OBSS。
可选地，在本公开实施例中，AP和STA可以为支持多连接的设备，例如，可以被分别表示为AP MLD和non-AP MLD；AP MLD可以表示支持多连接通信功能的接入点，non-AP MLD可以表示支持多连接通信功能的站点。
参照图3，AP MLD可以包括三个附属AP，如图3所示的AP1、AP2和AP3；每个AP可以分别工作在连接1、连接2以及连接3；non-AP MLD也可以工包括三个附属STA，如图2所示的STA1、STA2和STA3；STA1工作在连接1、STA2工作在连接2以及STA3工作在连接3。
为了便于描述，在下文中，主要描述一个AP与一个STA在多连接下进行通信的示例，然而，本公开的示例实施例不限于此。在图3的示例中，假设AP1与STA1通过对应的第一连接Link 1进行通信，类似地，AP2与STA2通过对应的第二连接Link 2进行通信，AP通过第三连接Link 3与STA3进行通信。此外，Link 1至Link 3可以分别是不同频率下的多个连接，例如，2.4GHz、5GHz、6GHz下的连接，或2.4GHz下的几个相同或不同带宽的连接。此外，在每个连接下可以存在多个信道。可以理解的是，图2所示的通信场景仅是示例性的，本公开构思不限于此，例如，AP MLD可以连接到多个(三个)non-AP MLD，或者在每个连接下，AP可以与多个其他类型的站点进行通信。
TDLS技术使得同一个BSS中的两台STA在建立TDLS连接后，可 直接跳过AP传输数据，从而不受AP的约束，采用两台STA支持的最快速率标准进行直接传输。直接传输可以是在原来信道进行，也可以切换到新的扩展信道上进行，因此能够避免由于网络拥塞而引起的数据传输延迟，对于低时延业务的传输具有重要意义。本公开实施例中，第一STA即发起TDLS信道建立的STA，第二STA即所述第一STA即发起TDLS连接建立(TDLS Setup)的目标STA；第一STA通过AP与第二STA建立TDLS连接，可以与多个STAs建立多个TDLS连接，这些TDLS连接可以互为非同时收发(Non-Simultaneous Transmitting and Receiving，NSTR)连接对或同时收发(Simultaneous Transmitting and Receiving，STR)连接对。
具体地，在传输低时延业务之前，第一STA确定第一无线帧，在第一无线帧中携带第一标识；第一标识一方面标识第一STA即将传输低时延业务，另一方面标识所述低时延业务的传输标识(Traffic Identifier，TID)对应的TDLS信道(base channel)或TDLS信道或扩展off-channel TDLS信道，实现将低时延业务的TID映射到TDLS信道或off-channel TDLS信道；例如，TDLS信道工作在2.4GHz频段，off-channel TDLS信道工作在5GHz频段。
步骤102，发送所述第一无线帧，指示接入点设备根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
第一STA发送第一无线帧，使得AP根据第一标识广播所述第一STA即将在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务；例如，以限制目标唤醒时间(restricted Target Wake Time，rTWT)机制建立为例，AP根据所述TID确定与所述TID对应的rTWT信息元素，然后在所述rTWT信息元素中广播第一STA进行TDLS通信传输低时延业务；接收到AP所广播的rTWT信息元素，STA根据broadcast TWT ID以及AP的地址来确认RTWT的服务周期(Service Period，SP)是否分配给自己。
本公开实施例提供了一种TDLS通信方法，可选地，所述方法可应用于第一站点设备(Station，STA)，该方法可以包括以下步骤：
确定第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；所述第一标识携带在所述第一无线帧的缓冲区状态报告(Buffer Status Report，BSR)中，第一STA通过BSR通知AP即将传输低时延业务；
发送所述第一无线帧，指示接入点设备根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
本公开实施例提供了一种TDLS通信方法，可选地，所述方法可应用于第一站点设备(Station，STA)，该方法可以包括以下步骤：
确定第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；所述第一标识携带在所述第一无线帧的缓冲区状态报告BSR中，第一STA通过BSR通知AP即将传输低时延业务。
发送所述第一无线帧，指示接入点设备根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
接收所述接入点设备广播的第二无线帧；其中，所述第二无线帧包括第二标识以及服务期间SP信息；所述第二标识指示所述第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
获取所述SP信息，在所述SP信息对应的SP内，在所述TDLS信道或所述off-channel TDLS信道上传输所述低时延业务。
第一STA发送第一无线帧，使得AP广播第二无线帧，所述第二无线帧包括第二标识以及服务期间SP信息；所述第二标识指示所述第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel  TDLS信道；例如，以rTWT机制建立为例，AP根据所述TID确定与所述TID对应的rTWT信息元素，然后将所述rTWT信息元素携带在第二无线帧中，广播第二无线帧，以通过第二标识广播第一STA进行TDLS通信传输低时延业务。
接收到AP所广播的rTWT信息元素，STA根据broadcast TWT ID以及AP的地址来确认RTWT的服务周期(Service Period，SP)是否分配给自己，在分配给STA的SP内，在所述TDLS信道或所述off-channel TDLS信道上向第二STA传输所述低时延业务。
在一个可选实施例中，所述SP的时长根据所述BSR的大小确定；第一STA将低时延业务中即将传输的数据量通过BSR发送给AP，AP根据BSR确定所述数据量，进而根据即将传输的数据量为所述低时延业务分配服务周期。
本公开实施例提供了一种TDLS通信方法，可选地，所述方法可应用于第一站点设备(Station，STA)，该方法可以包括以下步骤：
确定一个或多个所述低时延业务的TID对应的所述TDLS信道或所述off-channel TDLS信道；在传输低时延业务之前，第一STA首先将低时延业务的TID映射到对应的TDLS信道或所述off-channel TDLS信道；
确定第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
发送所述第一无线帧，指示接入点设备根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
本公开实施例中，第一STA确定第一无线帧，在所述第一无线帧中携带第一标识，指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的TDLS信道或off-channel TDLS信道；发送所述第 一无线帧，指示AP根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。本公开实施例提供了一种通过TDLS机制传输低时延业务的方式，使之适用于UHR需求。
参见图4，本公开实施例提供了一种TDLS通信方法，可选地，所述方法可应用于网络设备，所述网络设备可以是接入点设备AP，该方法可以包括以下步骤：
步骤401，接收第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一站点设备STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道。
TDLS技术使得同一个BSS中的两台STA在建立TDLS连接后，可直接跳过AP传输数据，从而不受AP的约束，采用两台STA支持的最快速率标准进行直接传输。直接传输可以是在原来信道进行，也可以切换到新的扩展信道上进行，因此能够避免由于网络拥塞而引起的数据传输延迟，对于低时延业务的传输具有重要意义。本公开实施例中，第一STA即发起TDLS信道建立的STA，第二STA即所述第一STA即发起TDLS连接建立(TDLS Setup)的目标STA；第一STA通过AP与第二STA建立TDLS连接，可以与多个STAs建立多个TDLS连接，这些TDLS连接可以互为非同时收发(Non-Simultaneous Transmitting and Receiving，NSTR)连接对或同时收发(Simultaneous Transmitting and Receiving，STR)连接对。
具体地，在传输低时延业务之前，AP接收第一STA发送的第一无线帧，获取第一无线帧中携带的第一标识；第一标识一方面标识第一STA即将传输低时延业务，另一方面标识所述低时延业务的传输标识(Traffic Identifier，TID)对应的TDLS信道(base channel)或TDLS信道或扩展off-channel TDLS信道，实现将低时延业务的TID映射到TDLS信道或off-channel TDLS信道；例如，TDLS信道工作在2.4GHz频段，off-channel TDLS信道工作在5GHz频段。
步骤402，根据所述第一标识广播所述第一STA在所述TDLS信道或 所述off-channel TDLS信道中传输所述低时延业务。
AP根据第一标识广播所述第一STA即将在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务；例如，以rTWT机制建立为例，AP根据所述TID确定与所述TID对应的rTWT信息元素，然后在所述rTWT信息元素中广播第一STA进行TDLS通信传输低时延业务。接收到AP所广播的rTWT信息元素，STA(第一STA及第二STA)根据broadcast TWT ID以及AP的地址来确认rTWT的服务周期(Service Period，SP)是否分配给自己，在分配给STA的SP内，第一STA在所述TDLS信道或所述off-channel TDLS信道上向第二STA传输所述低时延业务。
本公开实施例提供了一种TDLS通信方法，可选地，所述方法可应用于网络设备，所述网络设备可以是接入点设备AP，该方法可以包括以下步骤：
接收第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一站点设备STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；所述第一标识携带在所述第一无线帧的缓冲区状态报告BSR中，第一STA通过BSR通知AP即将传输低时延业务。
根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
本公开实施例提供了一种TDLS通信方法，可选地，所述方法可应用于网络设备，所述网络设备可以是接入点设备AP，该方法可以包括以下步骤：
接收第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一站点设备STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；所述第一标识携带在所述第一无线帧的缓冲区状态报告BSR中。
根据所述第一标识广播所述第一STA在所述TDLS信道或所述 off-channel TDLS信道中传输所述低时延业务。所述根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务，包括：
确定第二无线帧；其中，所述第二无线帧包括第二标识以及所述低时延业务的SP信息；所述第二标识指示所述第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
广播所述第二无线帧。
AP广播第二无线帧，所述第二无线帧包括第二标识以及服务期间SP信息；所述第二标识指示所述第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；例如，以rTWT机制建立为例，AP根据所述TID确定与所述TID对应的rTWT信息元素，然后将所述rTWT信息元素携带在第二无线帧中，广播第二无线帧，以通过第二标识广播第一STA进行TDLS通信传输低时延业务。
接收到AP所广播的rTWT信息元素，STA(第一STA及第二STA)根据broadcast TWT ID以及AP的地址来确认rTWT的服务周期(Service Period，SP)是否分配给自己，在分配给STA的SP内，第一STA在所述TDLS信道或所述off-channel TDLS信道上向第二STA传输所述低时延业务。
在一个可选实施例中，所述SP的时长根据所述BSR的大小确定；第一STA将低时延业务中即将传输的数据量通过BSR发送给AP，AP根据BSR确定所述数据量，进而根据即将传输的数据量为所述低时延业务分配服务周期。
本公开实施例中，AP接收第一无线帧，获取所述第一无线帧中携带第一标识，根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。。本公开实施例提供了一种通过TDLS机制传输低时延业务的方式，使之适用于UHR需求。
参见图5，本公开实施例提供了一种TDLS通信方法，可选地，所述方法可应用于第二站点设备STA，该方法可以包括以下步骤：
步骤501，接收接入点设备广播的第二无线帧；其中，所述第二无线帧包括第二标识以及所述低时延业务的SP信息；所述第二标识指示第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
在传输低时延业务之前，AP通过第二无线帧广播第一STA即将在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务；第二STA接收第二无线帧，根据所述第二无线帧中的第二标识确定即将在TDLS信道或off-channel TDLS信道传输低时延业务，并通过所述低时延业务的SP信息确定接收所述低时延业务的时间。
步骤502，向所述接入点设备发送确认消息帧。
第二STA发送确认(confirmation)消息帧帧至AP，使得AP以及第一STA确认可以在TDLS信道或off-channel TDLS信道向第二STA传输低时延业务。本公开实施例提供了一种通过TDLS机制传输低时延业务的方式，使之适用于UHR需求。
参见图6，基于与本公开实施例所提供的方法相同的原理，本公开实施例还提供了一种电子设备，所述电子设备为第一站点设备STA，所述电子设备包括：
确定模块601，用于确定第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
发送模块602，用于发送所述第一无线帧，指示接入点设备根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
在一个可选实施例中，所述第一标识携带在所述第一无线帧的缓冲区状态报告BSR中。
在一个可选实施例中，所述电子设备还包括：
第三接收模块，用于接收所述接入点设备广播的第二无线帧；其中，所述第二无线帧包括第二标识以及服务期间SP信息；所述第二标识指示所述第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
获取模块，用于获取所述SP信息，在所述SP信息对应的SP内在所述TDLS信道或所述off-channel TDLS信道上传输所述低时延业务。
在一个可选实施例中，所述SP的时长根据所述BSR的大小确定。
在一个可选实施例中，所述电子设备还包括：
信道确定模块，用于确定一个或多个所述低时延业务的TID对应的所述TDLS信道或所述off-channel TDLS信道。
本公开实施例还提供了一种TDLS通信装置，应用于第一站点设备STA，所述装置包括：
无线帧确定模块，用于确定第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
无线帧发送模块，用于发送所述第一无线帧，指示接入点设备根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
所述装置还包括前述实施例中电子设备的其他模块，在此不再赘述。
参见图7，基于与本公开实施例所提供的方法相同的原理，本公开实施例还提供了一种电子设备，所述电子设备为第一站点设备STA，所述电子设备包括：
第一接收模块701，用于接收第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一站点设备STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩 展off-channel TDLS信道；
传输模块702，用于根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
在一个可选实施例中，所述第一标识携带在所述第一无线帧的缓冲区状态报告BSR中。
在一个可选实施例中，所述传输模块702包括：
确定第二无线帧；其中，所述第二无线帧包括第二标识以及所述低时延业务的SP信息；所述第二标识指示所述第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
广播所述第二无线帧。
在一个可选实施例中，所述SP的时长根据所述BSR的大小确定。
本公开实施例还提供了一种TDLS通信装置，应用于第一站点设备STA，所述装置包括：
第一接收模块，用于接收第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一站点设备STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
传输模块，用于根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
所述装置还包括前述实施例中电子设备的其他模块，在此不再赘述。
参见图8，基于与本公开实施例所提供的方法相同的原理，本公开实施例还提供了一种电子设备，所述电子设备为第一站点设备STA，所述电子设备包括：
第二接收模块801，用于接收接入点设备广播的第二无线帧；其中，所述第二无线帧包括第二标识以及所述低时延业务的SP信息；所述第二标识指示第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
确认模块802，用于向所述接入点设备发送确认消息帧。
本公开实施例还提供了一种TDLS通信装置，应用于第一站点设备STA，所述装置包括：
第二接收模块，用于接收接入点设备广播的第二无线帧；其中，所述第二无线帧包括第二标识以及所述低时延业务的SP信息；所述第二标识指示第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
确认模块，用于向所述接入点设备发送确认消息帧。
所述装置还包括前述实施例中电子设备的其他模块，在此不再赘述。
在一个可选实施例中，本公开实施例还提供了一种电子设备，如图9所示，图9所示的电子设备900可以为服务器，包括：处理器901和存储器903。其中，处理器901和存储器903相连，如通过总线902相连。可选地，电子设备900还可以包括收发器904。需要说明的是，实际应用中收发器904不限于一个，该电子设备900的结构并不构成对本公开实施例的限定。
处理器901可以是CPU(Central Processing Unit，中央处理器)，通用处理器，DSP(Digital Signal Processor，数据信号处理器)，ASIC(Application Specific Integrated Circuit，专用集成电路)，FPGA(Field Programmable Gate Array，现场可编程门阵列)或者其他可编程逻辑器件、晶体管逻辑器件、硬件部件或者其任意组合。其可以实现或执行结合本公开公开内容所描述的各种示例性的逻辑方框，模块和电路。处理器901也可以是实现计算功能的组合，例如包含一个或多个微处理器组合，DSP和微处理器的组合等。
总线902可包括一通路，在上述组件之间传送信息。总线902可以是PCI(Peripheral Component Interconnect，外设部件互连标准)总线或EISA(Extended Industry Standard Architecture，扩展工业标准结构)总线等。总线902可以分为地址总线、数据总线、控制总线等。为便于表示，图9 中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的总线。
存储器903可以是ROM(Read Only Memory，只读存储器)或可存储静态信息和指令的其他类型的静态存储设备，RAM(Random Access Memory，随机存取存储器)或者可存储信息和指令的其他类型的动态存储设备，也可以是EEPROM(Electrically Erasable Programmable Read Only Memory，电可擦可编程只读存储器)、CD-ROM(Compact Disc Read Only Memory，只读光盘)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。
存储器903用于存储执行本公开方案的应用程序代码，并由处理器901来控制执行。处理器901用于执行存储器903中存储的应用程序代码，以实现前述方法实施例所示的内容。
其中，电子设备包括但不限于：移动电话、笔记本电脑、数字广播接收器、PDA(个人数字助理)、PAD(平板电脑)、PMP(便携式多媒体播放器)、车载终端(例如车载导航终端)等等的移动终端以及诸如数字TV、台式计算机等等的固定终端。图9示出的电子设备仅仅是一个示例，不应对本公开实施例的功能和使用范围带来任何限制。
本公开提供的服务器可以是独立的物理服务器，也可以是多个物理服务器构成的服务器集群或者分布式系统，还可以是提供云服务、云数据库、云计算、云函数、云存储、网络服务、云通信、中间件服务、域名服务、安全服务、CDN、以及大数据和人工智能平台等基础云计算服务的云服务器。终端可以是智能手机、平板电脑、笔记本电脑、台式计算机、智能音箱、智能手表等，但并不局限于此。终端以及服务器可以通过有线或无线通信方式进行直接或间接地连接，本公开在此不做限制。
本公开实施例提供了一种计算机可读存储介质，该计算机可读存储介质上存储有计算机程序，当其在计算机上运行时，使得计算机可以执行前述方法实施例中相应内容。
应该理解的是，虽然附图的流程图中的各个步骤按照箭头的指示依次 显示，但是这些步骤并不是必然按照箭头指示的顺序依次执行。除非本文中有明确的说明，这些步骤的执行并没有严格的顺序限制，其可以以其他的顺序执行。而且，附图的流程图中的至少一部分步骤可以包括多个子步骤或者多个阶段，这些子步骤或者阶段并不必然是在同一时刻执行完成，而是可以在不同的时刻执行，其执行顺序也不必然是依次进行，而是可以与其他步骤或者其他步骤的子步骤或者阶段的至少一部分轮流或者交替地执行。
需要说明的是，本公开上述的计算机可读介质可以是计算机可读信号介质或者计算机可读存储介质或者是上述两者的任意组合。计算机可读存储介质例如可以是——但不限于——电、磁、光、电磁、红外线、或半导体的系统、装置或器件，或者任意以上的组合。计算机可读存储介质的更具体的例子可以包括但不限于：具有一个或多个导线的电连接、便携式计算机磁盘、硬盘、随机访问存储器(RAM)、只读存储器(ROM)、可擦式可编程只读存储器(EPROM或闪存)、光纤、便携式紧凑磁盘只读存储器(CD-ROM)、光存储器件、磁存储器件、或者上述的任意合适的组合。在本公开中，计算机可读存储介质可以是任何包含或存储程序的有形介质，该程序可以被指令执行系统、装置或者器件使用或者与其结合使用。而在本公开中，计算机可读信号介质可以包括在基带中或者作为载波一部分传播的数据信号，其中承载了计算机可读的程序代码。这种传播的数据信号可以采用多种形式，包括但不限于电磁信号、光信号或上述的任意合适的组合。计算机可读信号介质还可以是计算机可读存储介质以外的任何计算机可读介质，该计算机可读信号介质可以发送、传播或者传输用于由指令执行系统、装置或者器件使用或者与其结合使用的程序。计算机可读介质上包含的程序代码可以用任何适当的介质传输，包括但不限于：电线、光缆、RF(射频)等等，或者上述的任意合适的组合。
上述计算机可读介质可以是上述电子设备中所包含的；也可以是单独存在，而未装配入该电子设备中。
上述计算机可读介质承载有一个或者多个程序，当上述一个或者多个程序被该电子设备执行时，使得该电子设备执行上述实施例所示的方法。
根据本公开的一个方面，提供了一种计算机程序产品或计算机程序，该计算机程序产品或计算机程序包括计算机指令，该计算机指令存储在计算机可读存储介质中。计算机设备的处理器从计算机可读存储介质读取该计算机指令，处理器执行该计算机指令，使得该计算机设备执行上述各种可选实现方式中提供的方法。
可以以一种或多种程序设计语言或其组合来编写用于执行本公开的操作的计算机程序代码，上述程序设计语言包括面向对象的程序设计语言—诸如Java、Smalltalk、C++，还包括常规的过程式程序设计语言—诸如“C”语言或类似的程序设计语言。程序代码可以完全地在用户计算机上执行、部分地在用户计算机上执行、作为一个独立的软件包执行、部分在用户计算机上部分在远程计算机上执行、或者完全在远程计算机或服务器上执行。在涉及远程计算机的情形中，远程计算机可以通过任意种类的网络——包括局域网(LAN)或广域网(WAN)—连接到用户计算机，或者，可以连接到外部计算机(例如利用因特网服务提供商来通过因特网连接)。
附图中的流程图和框图，图示了按照本公开各种实施例的系统、方法和计算机程序产品的可能实现的体系架构、功能和操作。在这点上，流程图或框图中的每个方框可以代表一个模块、程序段、或代码的一部分，该模块、程序段、或代码的一部分包含一个或多个用于实现规定的逻辑功能的可执行指令。也应当注意，在有些作为替换的实现中，方框中所标注的功能也可以以不同于附图中所标注的顺序发生。例如，两个接连地表示的方框实际上可以基本并行地执行，它们有时也可以按相反的顺序执行，这依所涉及的功能而定。也要注意的是，框图和/或流程图中的每个方框、以及框图和/或流程图中的方框的组合，可以用执行规定的功能或操作的专用的基于硬件的系统来实现，或者可以用专用硬件与计算机指令的组合来实现。
描述于本公开实施例中所涉及到的模块可以通过软件的方式实现，也可以通过硬件的方式来实现。其中，模块的名称在某种情况下并不构成对该模块本身的限定，例如，A模块还可以被描述为“用于执行B操作的A模块”。
以上描述仅为本公开的较佳实施例以及对所运用技术原理的说明。本领域技术人员应当理解，本公开中所涉及的公开范围，并不限于上述技术特征的特定组合而成的技术方案，同时也应涵盖在不脱离上述公开构思的情况下，由上述技术特征或其等同特征进行任意组合而形成的其它技术方案。例如上述特征与本公开中公开的(但不限于)具有类似功能的技术特征进行互相替换而形成的技术方案。

Claims (15)

  1. 一种TDLS通信方法，应用于第一站点设备STA，其特征在于，所述方法包括：
    确定第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
    发送所述第一无线帧，指示接入点设备根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
  2. 根据权利要求1所述的TDLS通信方法，其特征在于，所述第一标识携带在所述第一无线帧的缓冲区状态报告BSR中。
  3. 根据权利要求2所述的TDLS通信方法，其特征在于，所述发送所述第一无线帧之后，所述方法还包括：
    接收所述接入点设备广播的第二无线帧；其中，所述第二无线帧包括第二标识以及服务期间SP信息；所述第二标识指示所述第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
    获取所述SP信息，在所述SP信息对应的SP内在所述TDLS信道或所述off-channel TDLS信道上传输所述低时延业务。
  4. 根据权利要求3所述的TDLS通信方法，其特征在于，所述SP的时长根据所述BSR的大小确定。
  5. 根据权利要求1所述的TDLS通信方法，其特征在于，所述确定第一无线帧之前，所述方法还包括：
    确定一个或多个所述低时延业务的TID对应的所述TDLS信道或所述off-channel TDLS信道。
  6. 一种TDLS通信方法，应用于接入点设备AP，其特征在于，所述方法包括：
    接收第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指 示第一站点设备STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
    根据所述第一标识广播第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
  7. 根据权利要求6所述的TDLS通信方法，其特征在于，所述第一标识携带在所述第一无线帧的缓冲区状态报告BSR中。
  8. 根据权利要求7所述的TDLS通信方法，其特征在于，所述根据所述第一标识广播所述第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务，包括：
    确定第二无线帧；其中，所述第二无线帧包括第二标识以及所述低时延业务的SP信息；所述第二标识指示所述第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
    广播所述第二无线帧。
  9. 根据权利要求8所述的TDLS通信方法，其特征在于，所述SP的时长根据所述BSR的大小确定。
  10. 一种TDLS通信方法，应用于第二站点设备STA，其特征在于，所述方法包括：
    接收接入点设备广播的第二无线帧；其中，所述第二无线帧包括第二标识以及低时延业务的SP信息；所述第二标识指示第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
    向所述接入点设备发送确认消息帧。
  11. 一种电子设备，所述电子设备为第一站点设备STA，其特征在于，所述电子设备包括：
    确定模块，用于确定第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
    发送模块，用于发送所述第一无线帧，指示接入点设备根据所述第一标识广播第一STA在所述TDLS信道或所述off-channel TDLS信道中传输 所述低时延业务。
  12. 一种电子设备，所述电子设备为接入点设备AP，其特征在于，所述电子设备包括：
    第一接收模块，用于接收第一无线帧；所述第一无线帧中包括第一标识，所述第一标识指示第一站点设备STA传输低时延业务以及指示所述低时延业务的传输标识TID对应的通道直接连接建立TDLS信道或扩展off-channel TDLS信道；
    传输模块，用于根据所述第一标识广播第一STA在所述TDLS信道或所述off-channel TDLS信道中传输所述低时延业务。
  13. 一种电子设备，所述电子设备为第二站点设备STA，其特征在于，所述电子设备包括：
    第二接收模块，用于接收接入点设备广播的第二无线帧；其中，所述第二无线帧包括第二标识以及低时延业务的SP信息；所述第二标识指示第一STA传输低时延业务以及指示所述低时延业务的TDLS信道或off-channel TDLS信道；
    确认模块，用于向所述接入点设备发送确认消息帧。
  14. 一种电子设备，其特征在于，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13中任一项所述的方法。
  15. 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13中任一项所述的方法。
PCT/CN2022/133815 2022-11-23 2022-11-23 Tdls通信方法、电子设备及存储介质 WO2024108440A1 (zh)

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