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WO2023125166A1 - 数据处理方法、装置、计算机可读存储介质及处理器 - Google Patents

数据处理方法、装置、计算机可读存储介质及处理器 Download PDF

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Publication number
WO2023125166A1
WO2023125166A1 PCT/CN2022/140442 CN2022140442W WO2023125166A1 WO 2023125166 A1 WO2023125166 A1 WO 2023125166A1 CN 2022140442 W CN2022140442 W CN 2022140442W WO 2023125166 A1 WO2023125166 A1 WO 2023125166A1
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WIPO (PCT)
Prior art keywords
frame
target
station
identification
site
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Application number
PCT/CN2022/140442
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English (en)
French (fr)
Inventor
童娣
吴昌强
Original Assignee
联洲集团有限公司
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Publication date
Application filed by 联洲集团有限公司 filed Critical 联洲集团有限公司
Publication of WO2023125166A1 publication Critical patent/WO2023125166A1/zh
Priority to US18/753,643 priority Critical patent/US20240348407A1/en

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/11—Allocation or use of connection identifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08—Access point devices

Definitions

  • the present disclosure relates to the field of wireless communication, and in particular, to a data processing method, device, computer-readable storage medium, and processor.
  • PSMP Power-save multi-poll
  • AP Access Point
  • PSMP uses a single PSMP frame
  • DTT Downlink Transmission Time
  • UTT Uplink Transmission Time
  • UTT Uplink Transmission Time
  • NAV Network Allocation Vector
  • the PSMP-scheduled STA can know its own DTT time and UTT time only if it correctly decodes the PSMP frame. That is, if the STA fails to successfully decode the PSMP frame, it may miss its own PSMP-UTT. According to the protocol, if a workstation fails to If the PSMP frame is demodulated and misses its own PSMP-UTT, then no data will be sent within the PSMP-UTT time of the station.
  • the AP may send the data in the PSMP-UTT During this period, PSMP frames (called PSMP recovery frames) are sent to resume the transmission: after the PSMP-UTT starts, the carrier sense mechanism (Carrier Sense, CS) instructs the medium to transmit the transmission priority interframe space (Transmission Priority Interframe Space, TxPIFS)
  • TxPIFS Transmission Priority Interframe Space
  • the slot boundary is idle; the PSMP-UTT duration is longer than the total time of the PSMP recovery frame plus PIFS.
  • the TxPIFS time slot boundary is the MAC time slot boundary.
  • TxSIFS Transmission Short Interframe Space
  • TxDIFS Transmission Distributed (coordination function) Interframe Space
  • These slot boundaries define when the Multiple Access Channel (Multiple Access Channel, MAC) should turn on the transmitter to meet the different Interframe Space (IFS) on the medium after detecting the CCA result of the previous slot time. )timing.
  • IFS Interframe Space
  • the circle marks are the transmission priority interframe space (TxPIFS) slot boundaries.
  • the STA will remain active throughout the entire PSMP service period, so it can hear the new PSMP schedule, but for unplanned PSMP, because the STA fails to decode the PSMP frame, it does not Not knowing that there is a PSMP sequence including it, it may enter sleep mode. In this case, it may miss its own PSMP-DTT and PSMP-UTT, and even if the AP sends a PSMP recovery frame, the STA may not be able to receive it. In this case, the PSMP-DTT and PSMP-UTT resources allocated by the AP to the STA will be wasted.
  • Embodiments of the present disclosure provide a data processing method, device, computer-readable storage medium, and processor, so as to at least solve the problem that the transmission mechanism in the related art tends to waste the downlink transmission resources and uplink transmission resources allocated by the wireless access point for the relevant stations. resource technical issues.
  • a data processing method applied to a wireless access point including: before sending a target frame to a target station, sending an identification frame, wherein the identification frame includes at least station identification information , the site identification information is used to indicate the site specified by the target frame; when the target site receives the identification frame and the target site is the site specified by the target frame, receiving the A predetermined confirmation frame returned by the target station; determining to send the target frame to the target station according to the predetermined confirmation frame, wherein the target frame includes downlink transmission time and uplink transmission time allocated for the target station time.
  • the identification frame adopts the following format: the first field includes the frame type and subtype, the second field is the duration, the third field is the broadcast address, the fourth field is the wireless access point address, and the fifth field includes At least one site identification information, the sixth field is the frame check sequence.
  • the predetermined confirmation frame includes a confirmation frame and identification content at the end of the confirmation frame.
  • receiving the predetermined confirmation frame returned by the target station includes: receiving the confirmation frame; receiving the identification content after a preset signal time after receiving the confirmation frame, wherein the identification content
  • the duration is one signal time
  • the signal time is the sum of one OFDM symbol time and guard interval time of the confirmation frame.
  • the identification frame is not received at the target site or the identification frame is received at the target site and the target site is not specified by the target frame
  • the operation of receiving the predetermined confirmation frame returned by the target site is not performed.
  • a data processing method applied to a station including: receiving an identification frame sent by a wireless access point, wherein the identification frame includes at least station identification information, and the station The identification information is used to indicate the station specified by the target frame; when the target station receives the identification frame and the target station is the station specified by the target frame, a predetermined confirmation is sent to the wireless access point frame, so that the wireless access point sends the target frame to the target station, wherein the target frame includes a downlink transmission time and an uplink transmission time allocated for the target station.
  • a data processing device applied to a wireless access point, including a first sending unit, a first receiving unit, and a determining unit, wherein the first sending unit is configured In order to send an identification frame before sending the target frame to the target site, wherein the identification frame includes at least site identification information, and the site identification information is used to indicate the site specified by the target frame; the first receiving unit is It is configured to receive a predetermined confirmation frame returned by the target site when the target site receives the identification frame and the target site is the site specified by the target frame; the determining unit is configured to The predetermined confirmation frame determines to send the target frame to the target station, wherein the target frame includes a downlink transmission time and an uplink transmission time allocated for the target station.
  • an acknowledgment-based object processing device which is applied to a station, and includes a second receiving unit and a second sending unit, wherein the second receiving unit is configured to receive wireless An identification frame sent by the access point, wherein the identification frame includes at least site identification information, and the site identification information is used to indicate the site specified by the target frame; the second sending unit is configured to receive the If the identification frame and the target station is the station specified by the target frame, then send a predetermined confirmation frame to the wireless access point, so that the wireless access point sends the target station the A target frame, wherein the target frame includes downlink transmission time and uplink transmission time allocated for the target station.
  • a computer-readable storage medium includes a stored program, wherein when the program is running, the computer-readable storage medium is controlled
  • the device implements any one of the described confirmation-based object processing methods.
  • a processor configured to run a program, wherein, when the program is running, any one of the confirmation-based object processing methods described above is executed.
  • the above-mentioned acknowledgment-based target processing method is applied to the wireless access point.
  • an identification frame including at least site identification information is sent, and the site identification information is used for Indicate the station specified by the target frame; then, when the target station receives the identification frame and the target station is the station specified by the target frame, receive a predetermined confirmation returned by the target station frame; finally, according to the predetermined acknowledgment frame, it is determined to send the target frame to the target station, and the target frame includes the downlink transmission time and uplink transmission time allocated for the target station.
  • the target station designated by the target frame receives the identification frame, it receives the predetermined confirmation frame returned by the target station, and then determines to send the target frame to the target station according to the predetermined confirmation frame.
  • the station that replies to confirm does not perform scheduling, so as to ensure that the downlink transmission resources and uplink transmission resources that the AP will allocate for the STA will not be wasted, thereby solving the problem that the transmission mechanism in the related technology is easy to waste the wireless access point as the relevant station Technical issues of allocated downlink transmission resources and uplink transmission resources.
  • Fig. 1 is a schematic diagram according to the TxPIFS time slot boundary in the related art
  • FIG. 2 is a flowchart of a data processing method according to an embodiment of the disclosure
  • Fig. 3 is a schematic diagram of a PSMP Poll frame format according to an embodiment of the present disclosure
  • FIG. 4 is a schematic diagram of a PSMP ACK format according to an embodiment of the disclosure.
  • FIG. 5 is a schematic diagram of receiving PSMP ACK Signature according to an embodiment of the present disclosure
  • Fig. 6 is a flowchart of a data processing method according to other embodiments of the present disclosure.
  • FIG. 7 is a schematic diagram of a data processing device according to an embodiment of the present disclosure.
  • Fig. 8 is a schematic diagram of a data processing device according to other embodiments of the present disclosure.
  • the transmission mechanism in the related art tends to waste the downlink transmission resources and uplink transmission resources allocated by the wireless access point for the relevant stations.
  • a data processing method device, computer-readable storage medium, and processor.
  • a data processing method is provided, which can be applied to a wireless access point.
  • Fig. 2 is a flowchart of a data processing method according to an embodiment of the present disclosure. As shown in Fig. 2, the method includes the following steps:
  • Step S101 before sending the target frame to the target site, sending an identification frame, wherein the above-mentioned identification frame includes at least site identification information, and the above-mentioned site identification information is used to indicate the site specified by the above-mentioned target frame;
  • the above-mentioned target frame includes but not limited to PSMP frame
  • the above-mentioned identification frame includes but not limited to PSMP Poll frame.
  • the target frame, the identification frame, etc. may be determined according to the transmission protocols supported by both the target station and the wireless access point, and no limitation is made here.
  • Step S102 when the above-mentioned target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, receiving the predetermined confirmation frame returned by the above-mentioned target station;
  • Step S103 determining to send the above target frame to the above target station according to the above predetermined confirmation frame, wherein the above target frame includes the downlink transmission time and uplink transmission time allocated for the above target station.
  • the above data processing method is applied to the wireless access point.
  • an identification frame including at least station identification information is sent, and the above station identification information is used to indicate the station specified by the above target frame;
  • the above-mentioned target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, it receives the predetermined confirmation frame returned by the above-mentioned target station; finally, according to the above-mentioned predetermined confirmation frame, it is determined to send the above-mentioned target frame to the above-mentioned target station , the target frame includes the downlink transmission time and the uplink transmission time allocated for the target site, the method receives the schedule returned by the target site when the target site designated by the target frame receives the identification frame Confirm the frame, and then determine to send the above target frame to the above target station according to the above predetermined confirmation frame, and do not schedule for the station that has not responded to the confirmation
  • the above data processing method is not only applicable to the PSMP mechanism, but also applicable to all uplink multi-user confirmation methods before the 11ax protocol.
  • OFDMA Orthogonal Frequency Division Multiple Access
  • MU-MIMO Multi-User Multiple Input Multiple Output
  • the above identification frame adopts the following format: the first field includes the frame type and subtype, the second field is the duration, the third field is the broadcast address, and the fourth field is the wireless access point address, The fifth field includes at least one station identification information, and the sixth field is a frame check sequence.
  • the above-mentioned identification frame includes but is not limited to a PSMPPoll frame.
  • the PSMPPoll frame format schematic diagram is shown in FIG. 3, wherein the first field FrameControl The frame type and subtype in the (frame control) field indicate that this is a PSMPPoll frame, the second field Duration duration, the third field RA (receiving address) is the broadcast address, the fourth field TA (transmitting address) is the AP address, and the second field is Duration.
  • the five-field PSMPPollinformation (energy-saving multi-poll polling information) field includes one or more site identification information, and each site identification information is 2 bytes in length.
  • the site identification information is the identity identification (AID) information of the STA, indicating The STAs that the AP will schedule in PSMP frames.
  • the above-mentioned predetermined acknowledgment frame includes the acknowledgment frame and the identification content at the end of the acknowledgment frame.
  • the predetermined confirmation frame may adopt the PSMPACK format.
  • the PSMPACK format includes an ACK (acknowledgment character) frame and a PSMPACKSignature at the end of the ACK frame, wherein the PSMPACKSignature is the identification content .
  • the aforementioned PSMPACKSignature may be a unique identifier used to identify the tail of the PSMPACK frame, for example, it may be an ASCII value corresponding to a certain symbol.
  • receiving the confirmation frame returned by the above-mentioned target site includes: receiving the above-mentioned confirmation frame; receiving the above-mentioned identification content after a preset signal time after receiving the above-mentioned confirmation frame, wherein the above-mentioned identification content
  • the duration is one signal time
  • the above signal time is the sum of one OFDM symbol time and guard interval time of the above confirmation frame.
  • the PSMP Poll frame (energy-saving multi-poll frame) sent by the AP (access point) indicates a total of N STAs (workstations) to participate in the PSMP (energy-saving multi-poll frame) scheduling , the AID position of the STA in the PSMPPoll frame is the nth, then it receives the predetermined confirmation frame returned by the above-mentioned target station, as shown in Figure 5, at the end of the above-mentioned ACK (acknowledgment character) frame after ( ⁇ 1) signal time
  • Send a PSMPACKSignature energy-saving multi-poll frame confirmation character identification content
  • the signal time is the sum of an OFDM symbol time and the guard interval time of the above ACK frame.
  • the AP judges whether the corresponding STA receives the TPSMPPollACK (energy-saving multi-poll frame confirmation character) frame according to whether the PSMPACKSignature. STAs that do not receive the PSMPPollACK frame do not allocate resources, which avoids waste of resources. Sending PSMPPoll and subsequent STA responses require certain overhead, but these overheads are basically negligible compared to the DTT time and UTT time allocated for each STA in the PSMP frame.
  • the identification frame after sending the identification frame, it also includes: the identification frame is not received at the target site or the identification frame is received at the target site and the target site is not When the station specified by the above-mentioned target frame is selected, the operation of receiving the confirmation frame returned by the above-mentioned target station is not performed.
  • a data processing method is provided, which can be applied to a website.
  • Fig. 6 is a flowchart of a data processing method according to other embodiments of the present disclosure. As shown in Fig. 6, the method includes the following steps:
  • Step S201 receiving an identification frame sent by a wireless access point, wherein the above identification frame includes at least site identification information, and the above site identification information is used to indicate the site specified by the target frame;
  • Step S202 when the target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, then send a predetermined confirmation frame to the above-mentioned wireless access point, so that the above-mentioned wireless access point sends a message to the above-mentioned target station sending the target frame, wherein the target frame includes downlink transmission time and uplink transmission time allocated for the target station.
  • the above data processing method is applied to a station.
  • the above station identification information is used to indicate the station specified by the above target frame; after that, the target site receives the above If the frame is identified and the above-mentioned target station is the station specified by the above-mentioned target frame, then send a predetermined confirmation frame to the above-mentioned wireless access point, so that the above-mentioned wireless access point sends the above-mentioned target frame to the above-mentioned target station, wherein the above-mentioned target
  • the frame includes downlink transmission time and uplink transmission time allocated for the above-mentioned target stations.
  • the target station when the target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, it sends a predetermined confirmation frame to the above-mentioned wireless access point, and does not perform scheduling for the station that does not reply to the confirmation, thereby Ensure that the downlink transmission resources and uplink transmission resources that the AP would have allocated for the STA will not be wasted, and then solve the problem that the transmission mechanism in the related technology is easy to waste the downlink transmission resources and uplink transmission resources allocated by the wireless access point for the relevant stations technical problems.
  • the embodiment of the present disclosure also provides a data processing device, which is applied to a wireless access point. It should be noted that the data processing device in the embodiment of the present disclosure can be used to execute the data processing method provided in the embodiment of the present disclosure.
  • the data processing apparatus provided by the embodiments of the present disclosure is introduced below.
  • Fig. 7 is a schematic diagram of a data processing device according to an embodiment of the present disclosure. As shown in Fig. 7, the device includes:
  • the first sending unit 10 is configured to send an identification frame before sending the target frame to the target site, wherein the identification frame includes at least site identification information, and the site identification information is used to indicate the site specified by the target frame;
  • the first receiving unit 20 is configured to receive a predetermined confirmation frame returned by the target site when the target site receives the identification frame and the target site is the site specified by the target frame;
  • the determining unit 30 is configured to determine to send the target frame to the target station according to the predetermined confirmation frame, wherein the target frame includes downlink transmission time and uplink transmission time allocated for the target station.
  • the above-mentioned data processing device is applied to a wireless access point, and the above-mentioned first sending unit 10 transmits an identification frame including at least station identification information before sending the target frame to the target station, and the above-mentioned station identification information is used to indicate that the above-mentioned target frame specifies the station; then by the first receiving unit 20 at the above-mentioned target station when the above-mentioned identification frame is received and the above-mentioned target station is the station specified by the above-mentioned target frame, receive the predetermined confirmation frame returned by the above-mentioned target station; finally through the above-mentioned determination
  • the unit 30 determines to send the above-mentioned target frame to the above-mentioned target station according to the above-mentioned predetermined confirmation frame, the above-mentioned target frame includes the downlink transmission time and the uplink transmission time allocated for the above-mentioned target station, and the device transmits the above-mentioned target station at
  • the above PSMP Poll frame adopts the following format: the first field includes the frame type and subtype, the second field is the duration, the third field is the broadcast address, and the fourth field is the wireless access point address , the fifth field includes at least one station identification information, and the sixth field is a frame check sequence.
  • the PSMP Poll frame format is as shown in Figure 3, wherein, the frame type and subtype in the first field Frame Control field indicate that this is a PSMP Poll frame, and the second field Duration is the duration,
  • the third field RA is the broadcast address, the fourth field TA is the AP address, and the fifth field PSMP Poll information includes one or more site identification information, and each site identification is 2 bytes in length.
  • the station identification information is the identity identification (AID) information of the STA, indicating the STA to be scheduled by the AP in the PSMP frame.
  • the above-mentioned predetermined acknowledgment frame includes the acknowledgment frame and the identification content at the end of the acknowledgment frame.
  • the above-mentioned predetermined confirmation frame adopts the PSMP ACK format, as shown in Figure 4, the above-mentioned PSMP ACK format includes the ACK frame and the PSMP ACK Signature at the end of the above-mentioned ACK frame, wherein the above-mentioned PSMP ACK Signature is an identification content.
  • the above PSMP ACK Signature can be a unique identifier used to identify the tail of the PSMPACK frame, for example, it can be the ASCII value corresponding to a certain symbol.
  • the above-mentioned first receiving unit includes a first receiving subunit and a second receiving subunit, wherein the above-mentioned first receiving subunit is used to receive the above-mentioned confirmation frame; the above-mentioned second receiving subunit is used to After receiving the preset signal time after the above-mentioned confirmation frame, the above-mentioned identification content is received, wherein the duration of the above-mentioned identification content is one signal time, and the above-mentioned signal time is one OFDM symbol time and protection of the above-mentioned confirmation frame sum of interval times.
  • the PSMP Poll frame sent by the AP indicates a total of N STAs to participate in the PSMP scheduling, and the AID position of the STA in the PSMP Poll frame is the nth, then it receives the AID returned by the above-mentioned target station.
  • Acknowledgment frame sends a PSMP ACK Signature with a length of one signal time at the end of the above-mentioned ACK frame after (n-1) signal time, and the signal time is an OFDM of the above-mentioned ACK frame The time to add the symbol time to the guard interval.
  • the AP judges whether the corresponding STA has responded to the PSMP ACK frame according to whether the PSMP ACK Signature is resolved within the nth signal time, and then reasonably allocates DTT resources and UTT resources according to this information. For those STAs that do not reply to the PSMP ACK frame Redistribute resources to avoid waste of resources. Sending PSMP Poll frames and subsequent STA responses requires certain overhead, but these overheads are basically negligible compared to the DTT time and UTT time allocated for each STA in the PSMP frame.
  • the above-mentioned apparatus further includes a third receiving unit, and the above-mentioned third receiving unit is configured to send the identification frame when the target station does not receive the above-mentioned identification frame or at the When the target station receives the identification frame and the target station is not the station specified by the target frame, the operation of receiving the confirmation frame returned by the target station is not performed.
  • the embodiment of the present disclosure also provides a data processing device, which is applied to a site. It should be noted that the data processing device in the embodiment of the present disclosure can be used to execute the data processing method provided in the embodiment of the present disclosure.
  • the data processing apparatus provided by the embodiments of the present disclosure is introduced below.
  • Fig. 8 is a schematic diagram of a data processing device according to other embodiments of the present disclosure. As shown in Fig. 8, the device includes:
  • the second receiving unit 40 is configured to receive an identification frame sent by the wireless access point, wherein the identification frame includes at least site identification information, and the site identification information is used to indicate the site specified by the target frame;
  • the second sending unit 50 is configured to send a predetermined confirmation frame to the above-mentioned wireless access point when the target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, so that the above-mentioned wireless access point The point sends the above-mentioned target frame to the above-mentioned target station, wherein the above-mentioned target frame includes the downlink transmission time and the uplink transmission time allocated for the above-mentioned target station.
  • the above-mentioned data processing device is applied to a station, and receives, through the above-mentioned second receiving unit 40, an identification frame sent by the wireless access point that includes at least station identification information, and the above-mentioned station identification information is used to indicate the station specified by the target frame; then through the above-mentioned second The second sending unit 40 sends a predetermined confirmation frame to the above-mentioned wireless access point when the target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, so that the above-mentioned wireless access point sends a predetermined confirmation frame to the above-mentioned target
  • the station sends the target frame, wherein the target frame includes downlink transmission time and uplink transmission time allocated for the target station.
  • the device When the target station receives the identification frame and the target station is the station specified by the target frame, the device sends a predetermined confirmation frame to the wireless access point, and does not perform scheduling for stations that do not respond to confirmation, thereby Ensure that the downlink transmission resources and uplink transmission resources that the AP would have allocated for the STA will not be wasted, and then solve the problem that the transmission mechanism in the related technology is easy to waste the downlink transmission resources and uplink transmission resources allocated by the wireless access point for the relevant stations technical problems.
  • the above-mentioned data processing device includes a processor and a memory.
  • the first sending unit, the first receiving unit, the determining unit, the second receiving unit, and the second sending unit are all stored in the memory as program units, and are executed by the processor and stored in the memory.
  • the above-mentioned program unit in to realize the corresponding function.
  • the processor includes a kernel, and the kernel calls corresponding program units from the memory.
  • One or more kernels can be set, and the problem that the transmission mechanism in the related art tends to waste the downlink transmission resources and uplink transmission resources allocated by the wireless access point for the relevant stations is solved by adjusting the kernel parameters.
  • Memory may include non-permanent storage on computer-readable media, random access memory (RAM), nonvolatile memory, or both random access memory (RAM) and nonvolatile memory, such as read-only memory (ROM) or flash memory (flash RAM), the memory includes at least one memory chip.
  • RAM random access memory
  • ROM read-only memory
  • flash RAM flash memory
  • An embodiment of the present disclosure provides a computer-readable storage medium on which a program is stored, and when the program is executed by a processor, the above data processing method is implemented.
  • An embodiment of the present disclosure provides a processor, where the processor is configured to run a program, where the data processing method is executed when the program is running.
  • An embodiment of the present disclosure provides a device.
  • the device includes a processor, a memory, and a program stored on the memory and operable on the processor.
  • the processor executes the program, at least the following steps are implemented:
  • Step S101 before sending the target frame to the target site, sending an identification frame, wherein the above-mentioned identification frame includes at least site identification information, and the above-mentioned site identification information is used to indicate the site specified by the above-mentioned target frame;
  • Step S102 when the above-mentioned target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, receiving the predetermined confirmation frame returned by the above-mentioned target station;
  • Step S103 determining to send the above-mentioned target frame to the above-mentioned target station according to the above-mentioned predetermined confirmation frame, wherein the above-mentioned target frame includes the downlink transmission time and uplink transmission time allocated for the above-mentioned target station.
  • processor implements at least the following steps when executing the program:
  • Step S201 receiving an identification frame sent by a wireless access point, wherein the above identification frame includes at least site identification information, and the above site identification information is used to indicate the site specified by the target frame;
  • Step S202 when the target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, then send a predetermined confirmation frame to the above-mentioned wireless access point, so that the above-mentioned wireless access point sends a message to the above-mentioned target station sending the target frame, wherein the target frame includes downlink transmission time and uplink transmission time allocated for the target station.
  • the devices in this article can be servers, PCs, PADs, mobile phones, etc.
  • the present disclosure also provides a computer program product adapted, when executed on a data processing device, to execute a program initialized with at least the following method steps:
  • Step S101 before sending the target frame to the target site, sending an identification frame, wherein the above-mentioned identification frame includes at least site identification information, and the above-mentioned site identification information is used to indicate the site specified by the above-mentioned target frame;
  • Step S102 when the above-mentioned target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, receiving the predetermined confirmation frame returned by the above-mentioned target station;
  • Step S103 determining to send the above target frame to the above target station according to the above predetermined confirmation frame, wherein the above target frame includes the downlink transmission time and uplink transmission time allocated for the above target station.
  • Step S201 receiving an identification frame sent by a wireless access point, wherein the above identification frame includes at least site identification information, and the above site identification information is used to indicate the site specified by the target frame;
  • Step S202 when the target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, then send a predetermined confirmation frame to the above-mentioned wireless access point, so that the above-mentioned wireless access point sends a message to the above-mentioned target station sending the target frame, wherein the target frame includes downlink transmission time and uplink transmission time allocated for the target station.
  • the disclosed technical content can be realized in other ways.
  • the device embodiments described above are only schematic.
  • the division of the above units can be a logical function division.
  • there may be another division method for example, multiple units or components can be combined or integrated. to another system, or some features may be ignored, or not implemented.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be through some interfaces, and the indirect coupling or communication connection of units or modules may be in electrical or other forms.
  • the units described above as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place, or may be distributed to multiple units. Part or all of the units can be selected according to actual needs to achieve the purpose of the solution of this embodiment.
  • each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, each unit may exist separately physically, or two or more units may be integrated into one unit.
  • the above-mentioned integrated units can be implemented in the form of hardware or in the form of software functional units.
  • the above integrated units are realized in the form of software function units and sold or used as independent products, they can be stored in a computer-readable storage medium. Based on such an understanding, the essence of the technical solution of the present disclosure or the part that contributes to the related technology or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium.
  • a computer device which may be a personal computer, a server or a network device, etc.
  • the aforementioned storage media include: U disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), mobile hard disk, magnetic disk or optical disc, etc., which can store program codes. .
  • the above-mentioned data processing method of the present disclosure is applied to a wireless access point.
  • an identification frame including at least station identification information is sent, and the above-mentioned station identification information is used to indicate that the above-mentioned target frame contains designated station; then, when the above-mentioned target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, receive the predetermined confirmation frame returned by the above-mentioned target station; finally, according to the above-mentioned predetermined confirmation frame
  • the above-mentioned target station sends the above-mentioned target frame, and the above-mentioned target frame includes the downlink transmission time and the uplink transmission time allocated for the above-mentioned target station.
  • the target station specified by the above-mentioned target frame receives the above-mentioned identification frame, Receive the scheduled confirmation frame returned by the above-mentioned target station, and then determine to send the above-mentioned target frame to the above-mentioned target station according to the above-mentioned scheduled confirmation frame, and do not perform scheduling for the station that does not reply to the confirmation, so as to ensure that the AP that will be allocated for the STA will not be wasted.
  • the downlink transmission resource and the uplink transmission resource thereby solving the technical problem that the transmission mechanism in the related art is easy to waste the downlink transmission resource and the uplink transmission resource allocated by the wireless access point for the relevant station.
  • the above-mentioned data processing method of the present disclosure is applied to a station, first, receiving an identification frame sent by a wireless access point including at least station identification information, and the above-mentioned station identification information is used to indicate the station specified by the target frame; after that, in When the target station receives the identification frame and the target station is the station specified by the target frame, it sends a predetermined confirmation frame to the wireless access point, so that the wireless access point sends the target frame to the target station , wherein the target frame includes downlink transmission time and uplink transmission time allocated for the target station.
  • the target station when the target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame, it sends a predetermined confirmation frame to the above-mentioned wireless access point, and does not perform scheduling for the station that does not reply to the confirmation, thereby Ensure that the downlink transmission resources and uplink transmission resources that the AP would have allocated for the STA will not be wasted, and then solve the problem that the transmission mechanism in the related technology is easy to waste the downlink transmission resources and uplink transmission resources allocated by the wireless access point for the relevant stations technical problems.
  • the above-mentioned data processing device of the present disclosure is applied to a wireless access point, and the above-mentioned first sending unit sends an identification frame including at least station identification information before sending the target frame to the target station, and the above-mentioned station identification information is used to indicate The station specified by the above-mentioned target frame; and then receiving the predetermined confirmation frame returned by the above-mentioned target station through the above-mentioned first receiving unit when the above-mentioned target station receives the above-mentioned identification frame and the above-mentioned target station is the station specified by the above-mentioned target frame; Finally, the above-mentioned determining unit determines to send the above-mentioned target frame to the above-mentioned target station according to the above-mentioned predetermined confirmation frame, and the above-mentioned target frame includes the downlink transmission time and the uplink transmission time allocated for the above-mentioned target station, and the device specifies in the above-ment
  • the above-mentioned data processing device of the present disclosure is applied to a station, and receives, through the above-mentioned second receiving unit 40, an identification frame including at least station identification information sent by the wireless access point, and the above-mentioned station identification information is used to indicate the target frame specified station; then, when the target site receives the above-mentioned identification frame and the above-mentioned target site is the site specified by the above-mentioned target frame through the above-mentioned second sending unit, then send a predetermined confirmation frame to the above-mentioned wireless access point, so that the above-mentioned wireless access point
  • the ingress sends the target frame to the target station, wherein the target frame includes downlink transmission time and uplink transmission time allocated for the target station.
  • the device When the target station receives the identification frame and the target station is the station specified by the target frame, the device sends a predetermined confirmation frame to the wireless access point, and does not perform scheduling for stations that do not respond to confirmation, thereby Ensure that the downlink transmission resources and uplink transmission resources that the AP would have allocated for the STA will not be wasted, and then solve the problem that the transmission mechanism in the related technology is easy to waste the downlink transmission resources and uplink transmission resources allocated by the wireless access point for the relevant stations technical problems.

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Abstract

本公开公开了一种数据处理方法、装置、计算机可读存储介质及处理器。该方法包括：在向目标站点发送目标帧之前，发送至少包括站点标识信息的标识帧，站点标识信息用于指示目标帧所指定的站点；在目标站点接收到标识帧且目标站点为目标帧所指定的站点的情况下，接收目标站点返回的预定确认帧；根据预定确认帧确定向目标站点发送目标帧，目标帧包括为目标站点分配的下行链路传输时间和上行链路传输时间，本公开解决了相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的技术问题。

Description

数据处理方法、装置、计算机可读存储介质及处理器
本公开要求于2021年12月31日提交中国专利局、申请号为2021116769061、申请名称“数据处理方法、装置、计算机可读存储介质及处理器”的中国专利申请的优先权，其全部内容通过引用结合在本公开中。
技术领域
本公开涉及无线通信领域，具体而言，涉及一种数据处理方法、装置、计算机可读存储介质及处理器。
背景技术
节能多轮询(power-save multi-poll，PSMP)是802.11n中引入的一种节能调度技术，具体原理为：接入点(Access Point，AP)首先发送PSMP管理帧，PSMP使用单个PSMP帧来调度多个站，并在PSMP帧中为每个站点(Station，STA)分配相应的下行传输资源和上行传输资源，STA只需要在自己所分配的下行传输时间(Downlink Transmission Time，DTT)醒来接收帧，并在上行传输时间(Uplink Transmission Time，UTT)醒来发送帧，而无需执行空闲信道评估(Clear Channel Assessment，CCA)并忽略任何网络分配向量(Network Allocation Vector，NAV)设置，在其他时间可以进入睡眠。PSMP用于优化周期性地接收和发送少量数据的设备的信道访问，并且希望它们的通信接口在大部分时间内保持非活动状态以节省电能，即不主动地发送或接收帧。
PSMP调度的STA只有正确解出PSMP帧才可以知道自己的DTT时间和UTT时间，即如果STA没有成功解出PSMP帧，其可能会错过自己的PSMP-UTT，协议中规定，如果一个工作站没有成功解调PSMP帧而错过自己的PSMP-UTT，那么在该工作站的PSMP-UTT时间内就不会发送数据，AP检测到该情况后，如果满足以下两个条件时，AP可能会在PSMP-UTT期间发送PSMP帧(称为PSMP恢复帧)来恢复该次传输：在PSMP-UTT开始后，载波侦听机制(Carrier Sense，CS)指示介质在传输优先帧间间隔(Transmission Priority Interframe Space，TxPIFS)时隙边界空闲；PSMP-UTT持续时间长于PSMP恢复帧加上PIFS的总时间。其中，TxPIFS时隙边界是MAC时隙边界，另外，还有传输短帧间间隔(Transmission Short Interframe Space，TxSIFS)、传输分布式帧间间隔(Transmission Distributed(coordination function)Interframe Space，TxDIFS)等，这些时隙边界定义了在检测到前一时隙时间的CCA结果后，多址接入信道(Multiple Access Channel，MAC)应何时开启发射机以满足介质上的不同帧间间隔(Interframe Space，IFS)定时。如图1所示，圆圈标记处是传输优先帧间间隔(TxPIFS) 时隙边界。
这是针对计划的PSMP而言，STA会在整个PSMP服务周期内保持活跃状态，所以可以听到新的PSMP调度，但是对于非计划的PSMP而言，由于STA没有成功解出PSMP帧，其并不知道后面是一个包括它的PSMP序列，可能会进入睡眠模式，这种情况下，其可能会错过自己的PSMP-DTT和PSMP-UTT，并且就算AP发送PSMP恢复帧，STA也不一定能收到，在这种情况下，就会浪费掉AP为该STA分配的PSMP-DTT和PSMP-UTT资源。
针对上述的问题，目前尚未提出有效的解决方案。
发明内容
本公开实施例提供了一种数据处理方法、装置、计算机可读存储介质及处理器，以至少解决相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的技术问题。
根据本公开实施例的一个方面，提供了一种数据处理方法，应用于无线接入点，包括：在向目标站点发送目标帧之前，发送标识帧，其中，所述标识帧至少包括站点标识信息，所述站点标识信息用于指示所述目标帧所指定的站点；在所述目标站点接收到所述标识帧且所述目标站点为所述目标帧所指定的站点的情况下，接收所述目标站点返回的预定确认帧；根据所述预定确认帧确定向所述目标站点发送所述目标帧，其中，所述目标帧包括为所述目标站点分配的下行链路传输时间和上行链路传输时间。
可选地，所述标识帧采用以下格式：第一字段包括帧类型与子类型，第二字段为持续时间，第三字段为广播地址，第四字段为无线接入点地址，第五字段包括至少一个站点标识信息，第六字段为帧校验序列。
可选地，所述预定确认帧包括确认帧以及在所述确认帧尾部的标识内容。
可选地，接收所述目标站点返回的预定确认帧，包括：接收所述确认帧；在接收所述确认帧后的预设的信号时间后，接收所述标识内容，其中，所述标识内容的时长为一个信号时间，所述信号时间为所述确认帧的一个正交频分复用符号时间与保护间隔时间之和。
可选地，在发送标识帧之后，还包括：在所述目标站点未接收到所述标识帧或者在所述目标站点接收到所述标识帧且所述目标站点不是所述目标帧所指定的站点时，则不执行接收所述目标站点返回的预定确认帧的操作。
根据本公开实施例的另一方面，还提供了一种数据处理方法，应用于站点，包括： 接收无线接入点发送的标识帧，其中，所述标识帧至少包括站点标识信息，所述站点标识信息用于指示目标帧所指定的站点；在目标站点接收到所述标识帧且所述目标站点为所述目标帧所指定的站点的情况下，则向所述无线接入点发送预定确认帧，以使所述无线接入点向所述目标站点发送所述目标帧，其中，所述目标帧包括为所述目标站点分配的下行链路传输时间和上行链路传输时间。
根据本公开实施例的另一方面，还提供了一种数据处理装置，应用于无线接入点，包括第一发送单元、第一接收单元以及确定单元，其中，所述第一发送单元被配置为在向目标站点发送目标帧之前，发送标识帧，其中，所述标识帧至少包括站点标识信息，所述站点标识信息用于指示所述目标帧所指定的站点；所述第一接收单元被配置为在所述目标站点接收到所述标识帧且所述目标站点为所述目标帧所指定的站点的情况下，接收所述目标站点返回的预定确认帧；所述确定单元被配置为根据所述预定确认帧确定向所述目标站点发送所述目标帧，其中，所述目标帧包括为所述目标站点分配的下行链路传输时间和上行链路传输时间。
根据本公开实施例的另一方面，还提供了一种基于确认的目标处理装置，应用于站点，包括第二接收单元和第二发送单元，其中，所述第二接收单元被配置为接收无线接入点发送的标识帧，其中，所述标识帧至少包括站点标识信息，所述站点标识信息用于指示目标帧所指定的站点；所述第二发送单元被配置为在目标站点接收到所述标识帧且所述目标站点为所述目标帧所指定的站点的情况下，则向所述无线接入点发送预定确认帧，以使所述无线接入点向所述目标站点发送所述目标帧，其中，所述目标帧包括为所述目标站点分配的下行链路传输时间和上行链路传输时间。
根据本公开实施例的另一方面，还提供了一种计算机可读存储介质，所述计算机可读存储介质包括存储的程序，其中，在所述程序运行时控制所述计算机可读存储介质所在设备执行任一种所述的基于确认的目标处理方法。
根据本公开实施例的另一方面，还提供了一种处理器，所述处理器被配置为运行程序，其中，所述程序运行时执行任一种所述的基于确认的目标处理方法。
在本公开实施例中，上述基于确认的目标处理方法，应用于无线接入点，首先，在向目标站点发送目标帧之前，发送至少包括站点标识信息的标识帧，所述站点标识信息用于指示所述目标帧所指定的站点；然后，在所述目标站点接收到所述标识帧且所述目标站点为所述目标帧所指定的站点的情况下，接收所述目标站点返回的预定确认帧；最后，根据所述预定确认帧确定向所述目标站点发送所述目标帧，所述目标帧包括为所述目标站点分配的下行链路传输时间和上行链路传输时间，本公开在所述目标帧所指定的目标站点接收到所述标识帧的情况下，接收所述目标站点返回的预定确认帧，再根据所述预定确认帧确定向所述目标站点发送所述目标帧，对于没有回复确 认的站点不进行调度，从而保证不会浪费掉AP本将会为该STA分配的下行传输资源和上行传输资源，进而解决了相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的技术问题。
附图说明
此处所说明的附图用来提供对本公开的进一步理解，构成本公开的一部分，本公开的示意性实施例及其说明用于解释本公开，并不构成对本公开的不当限定。在附图中：
图1是根据相关技术中TxPIFS时隙边界的示意图；
图2是根据本公开实施例的数据处理方法的流程图；
图3是根据本公开实施例的PSMP Poll帧格式的示意图；
图4是根据本公开实施例的PSMP ACK格式的示意图；
图5是根据本公开实施例的接收PSMP ACK Signature的示意图；
图6是根据本公开另一些实施例的数据处理方法的流程图；
图7是根据本公开实施例的数据处理装置的示意图；
图8是根据本公开另一些实施例的数据处理装置的示意图。
具体实施方式
为了使本技术领域的人员更好地理解本公开方案，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的实施例，而不是全部的实施例。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，都应当属于本公开保护的范围。
需要说明的是，本公开的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本公开的实施例能够以除了在这里图示或描述的那些以外的顺序实施。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、系统、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。
应该理解的是，当元件(诸如层、膜、区域、或衬底)描述为在另一元件“上”时，该元件可直接在该另一元件上，或者也可存在中间元件。而且，在说明书以及权利要求书中，当描述有元件“连接”至另一元件时，该元件可“直接连接”至该另一元件，或者通过第三元件“连接”至该另一元件。
正如背景技术中所说的，相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源，为了解决上述问题，本公开的一种典型的实施方式中，提供了一种数据处理方法、装置、计算机可读存储介质及处理器。
根据本公开的一些实施例，提供了一种数据处理方法，该方法可以应用于无线接入点。
图2是根据本公开实施例的数据处理方法的流程图，如图2所示，该方法包括如下步骤：
步骤S101，在向目标站点发送目标帧之前，发送标识帧，其中，上述标识帧至少包括站点标识信息，上述站点标识信息用于指示上述目标帧所指定的站点；
在具体实施过程中，上述目标帧包括但不限于PSMP帧，上述标识帧包括但不限于PSMP Poll帧。可选地，可以根据目标站点与无线接入点均支持的传输协议来确定目标帧、标识帧等，在此不做任何限定。
步骤S102，在上述目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，接收上述目标站点返回的预定确认帧；
步骤S103，根据上述预定确认帧确定向上述目标站点发送上述目标帧，其中，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间。
上述数据处理方法应用于无线接入点，首先，在向目标站点发送目标帧之前，发送至少包括站点标识信息的标识帧，上述站点标识信息用于指示上述目标帧所指定的站点；然后，在上述目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，接收上述目标站点返回的预定确认帧；最后，根据上述预定确认帧确定向上述目标站点发送上述目标帧，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间，该方法在上述目标帧所指定的目标站点接收到上述标识帧的情况下，接收上述目标站点返回的预定确认帧，再根据上述预定确认帧确定向上述目标站点发送上述目标帧，对于没有回复确认的站点不进行调度，从而保证不会浪费掉AP本将会为该STA分配的下行传输资源和上行传输资源，进而解决了相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的技术问题。
需要说明的是，上述数据处理方法不仅适用于PSMP机制，还可以适用于所有的在11ax协议之前的上行多用户确认方式中，例如，11ax协议中有正交频分多址技术(Orthogonal Frequency Division Multiple Access，简称OFDMA)/多用户-多输入多输出技术(Multi-User Multiple Input Multiple Output，简称MU-MIMO)，采用上述数据处理方法能够解决上行多用户传输问题。
需要说明的是，在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机系统中执行，并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。
为了将一些简要的STA信息包括在标识帧中，用以指示该目标帧将要指向哪些STA。本公开的一种实施例中，上述标识帧采用以下格式：第一字段包括帧类型与子类型，第二字段为持续时间，第三字段为广播地址，第四字段为无线接入点地址，第五字段包括至少一个站点标识信息，第六字段为帧校验序列。
[根据细则26改正 28.01.2023]
本公开的一些具体的实施例中,上述标识帧包括但不限于PSMPPoll帧,在目标帧为PSMP帧，标识帧为PSMPPoll帧时,PSMPPoll帧格式示意图如图3所示,其中,第一字段FrameControl（帧控制）字段里面的帧类型和子类型指示这是一个PSMPPoll帧，第二字段Duration持续时间，第三字段RA（接收地址）为广播地址，第四字段TA（发送地址）为AP地址,第五字段PSMPPollinformation（节能多轮询轮询信息）字段里包括一个或多个站点标识信息，每个站点标识信息为2个字节长度"该站点标识信息为STA的身份标识（AID）信息，指示AP将要在PSMP帧中调度的STA。
[根据细则26改正 28.01.2023]
为了能区分每个STA是否发出确认的同时，减少开销，也就是尽量减少所需时间，上述预定确认帧包括确认帧以及在确认帧尾部的标识内容。本公开的另一些实施例中，上述预定确认帧可以采用PSMPACK格式，如图4所示，上述PSMPACK格式包括ACK（确认字符）帧以及在上述ACK帧尾部的PSMPACKSignature,其中，上述PSMPACKSignature为标识内容。上述PSMPACKSignature可以是唯一标识用来识别是PSMPACK帧的尾部拖尾，比如可以是某一个符号对应的ASCII值。
本公开的又一些实施例中，接收上述目标站点返回的确认帧，包括：接收上述确认帧；在接收上述确认帧后的预设的信号时间后，接收上述标识内容，其中，上述标识内容的时长为一个信号时间，上述信号时间为上述确认帧的一个正交频分复用符号时间与保护间隔时间之和。
[根据细则26改正 28.01.2023]
本公开的一些具体的实施例中，AP（接入点）发送的PSMPPoll帧（节能多轮询轮询帧）中一共指示N个STA（工作站）参与该次PSMP（节能多轮询帧）调度,STA在PSMPPoll帧中的AID位置为第n个,则其接收上述目标站点返回的预定确认帧,如图5所示，在上述ACK（确认字符）帧尾部隔（『I）个信号时间再发送一个长为一个信号时间的PSMPACKSignature（节能多轮询帧确认字符标识内容）,该信号时间为上述ACK帧的一个正交频分复用符号时间与保护间隔时间相加之和。另外，AP根据在第n个信号时间内是否解出PSMPACKSignature.,来判断相应的STA是否接收TPSMPPollACK（节能多轮询帧确认字符）帧，根据该信息再合理分配DTT资源和UTT资源，对于那些没有接收PSMPPollACK帧的STA不再分配资源，避免了资源浪费。发送PSMPPoll帔以及后面的STA做出应答都需要一定的开销，但是这些开销相较于PSMP帧中为每个STA分配的DTT时间和UTT时间来说基本可以忽略。
为了更进一步避免资源浪费，本公开的再一些实施例中，在发送标识帧之后，还包括：在上述目标站点未接收到上述标识帧或者在上述目标站点接收到上述标识帧且上述目标站点不是上述目标帧所指定的站点时，则不执行接收上述目标站点返回的确认帧的操作。
根据本公开的另一些实施例，提供了一种数据处理方法，该方法可以应用于站点。
图6是根据本公开另一些实施例的数据处理方法的流程图，如图6所示，该方法包括如下步骤：
步骤S201，接收无线接入点发送的标识帧，其中，上述标识帧至少包括站点标识信息，上述站点标识信息用于指示目标帧所指定的站点；
步骤S202，在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，以使上述无线接入点向上述目标站点发送上述目标帧，其中，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间。
上述数据处理方法，应用于站点，首先，接收无线接入点发送的至少包括站点标识信息的标识帧，上述站点标识信息用于指示上述目标帧所指定的站点；之后，在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，以使上述无线接入点向上述目标站点发送上述目标帧，其中，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间。该方法在在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，对于没有回复确认的站点不进行调度，从而保证不会浪费掉AP本将会为该STA分配的下行传输资源和上行传输资源，进而解决了相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的技术问题。
本公开实施例还提供了一种数据处理装置，该装置应用于无线接入点，需要说明的是，本公开实施例的数据处理装置可以用于执行本公开实施例所提供的数据处理方 法。以下对本公开实施例提供的数据处理装置进行介绍。
图7是根据本公开实施例的数据处理装置的示意图，如图7所示，该装置包括：
第一发送单元10，用于在向目标站点发送目标帧之前，发送标识帧，其中，上述标识帧至少包括站点标识信息，上述站点标识信息用于指示上述目标帧所指定的站点；
第一接收单元20，用于在上述目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，接收上述目标站点返回的预定确认帧；
确定单元30，用于根据上述预定确认帧确定向上述目标站点发送上述目标帧，其中，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间。
上述数据处理装置，应用于无线接入点，通过上述第一发送单元10在向目标站点发送目标帧之前，发送至少包括站点标识信息的标识帧，上述站点标识信息用于指示上述目标帧所指定的站点；再通过上述第一接收单元20在上述目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，接收上述目标站点返回的预定确认帧；最后通过上述确定单元30根据上述预定确认帧确定向上述目标站点发送上述目标帧，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间，该装置在上述目标帧所指定的目标站点接收到上述标识帧的情况下，接收上述目标站点返回的预定确认帧，再根据上述预定确认帧确定向上述目标站点发送上述目标帧，对于没有回复确认的站点不进行调度，从而保证不会浪费掉AP本将会为该STA分配的下行传输资源和上行传输资源，进而解决了相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的技术问题。
为了将一些简要的STA信息包括在PSMP Poll帧中，用以指示该PSMP帧将要指向哪些STA。本公开的一种实施例中，上述PSMP Poll帧采用以下格式：第一字段包括帧类型与子类型，第二字段为持续时间，第三字段为广播地址，第四字段为无线接入点地址，第五字段包括至少一个站点标识信息，第六字段为帧校验序列。
本公开的一些具体的实施例中，PSMP Poll帧格式如图3所示，其中，第一字段Frame Control字段里面的帧类型和子类型指示这是一个PSMP Poll帧，第二字段Duration为持续时间，第三字段RA为广播地址，第四字段TA为AP地址，第五字段PSMP Poll information字段里包括一个或多个站点标识信息，每个站点标识为2个字节长度。该站点标识信息为STA的身份标识(AID)信息，指示AP将要在PSMP帧中调度的STA。
为了能区分每个STA是否发出确认的同时，减少开销，也就是尽量减少所需时间，上述预定确认帧包括确认帧以及在确认帧尾部的标识内容。本公开的另一些实施例中，上述预定确认帧采用PSMP ACK格式，如图4所示，上述PSMP ACK格式包括ACK 帧以及在上述ACK帧尾部的PSMP ACK Signature，其中，上述PSMP ACK Signature为标识内容。上述PSMP ACK Signature可以是唯一标识用来识别是PSMPACK帧的尾部拖尾，比如可以是某一个符号对应的ASCII值。
本公开的又一些实施例中，上述第一接收单元包括第一接收子单元和第二接收子单元，其中，上述第一接收子单元用于接收上述确认帧；上述第二接收子单元用于在接收上述确认帧后的预设的信号时间后，接收上述标识内容，其中，上述标识内容的时长为一个信号时间，上述信号时间为上述确认帧的一个正交频分复用符号时间与保护间隔时间之和。
本公开的一些具体的实施例中，AP发送的PSMP Poll帧中一共指示N个STA参与该次PSMP调度，STA在PSMP Poll帧中的AID位置为第n个，则其接收上述目标站点返回的确认帧，如图5所示，在上述ACK帧尾部隔(n-1)个信号时间再发送一个长为一个信号时间的PSMP ACK Signature，该信号时间为上述ACK帧的一个正交频分复用符号时间与保护间隔相加的时间。另外，AP根据在第n个信号时间内是否解出PSMP ACK Signature，来判断相应的STA是否回复了PSMPACK帧，根据该信息再合理分配DTT资源和UTT资源，对于那些没有回复PSMPACK帧的STA不再分配资源，避免了资源浪费。发送PSMP Poll帧以及后面的STA做出应答都需要一定的开销，但是这些开销相较于PSMP帧中为每个STA分配的DTT时间和UTT时间来说基本可以忽略。
为了更进一步避免资源浪费，本公开的再一些实施例中，上述装置还包括第三接收单元，上述第三接收单元用于在发送标识帧之后，在上述目标站点未接收到上述标识帧或者在上述目标站点接收到上述标识帧且上述目标站点不是上述目标帧所指定的站点时，则不执行接收上述目标站点返回的确认帧的操作。
本公开实施例还提供了一种数据处理装置，该装置应用于站点，需要说明的是，本公开实施例的数据处理装置可以用于执行本公开实施例所提供的数据处理方法。以下对本公开实施例提供的数据处理装置进行介绍。
图8是根据本公开另一些实施例的数据处理装置的示意图，如图8所示，该装置包括：
第二接收单元40，用于接收无线接入点发送的标识帧，其中，上述标识帧至少包括站点标识信息，上述站点标识信息用于指示目标帧所指定的站点；
第二发送单元50，用于在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，以使上述无线接入点向上述目标站点发送上述目标帧，其中，上述目标帧包括为上述目标站点分配的下 行链路传输时间和上行链路传输时间。
上述数据处理装置，应用于站点，通过上述第二接收单元40接收无线接入点发送的至少包括站点标识信息的标识帧，上述站点标识信息用于指示目标帧所指定的站点；之后通过上述第二发送单元40在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，以使上述无线接入点向上述目标站点发送上述目标帧，其中，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间。该装置在在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，对于没有回复确认的站点不进行调度，从而保证不会浪费掉AP本将会为该STA分配的下行传输资源和上行传输资源，进而解决了相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的技术问题。
上述数据处理装置包括处理器和存储器，上述第一发送单元、第一接收单元、确定单元、第二接收单元以及第二发送单元等均作为程序单元存储在存储器中，由处理器执行存储在存储器中的上述程序单元来实现相应的功能。
进一步地，处理器中包含内核，由内核去存储器中调取相应的程序单元。内核可以设置一个或以上，通过调整内核参数来解决相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的问题。
存储器可能包括计算机可读介质中的非永久性存储器，随机存取存储器(RAM)、非易失性内存、或者随机存取存储器(RAM)和非易失性内存等形式，如只读存储器(ROM)或闪存(flash RAM)，存储器包括至少一个存储芯片。
本公开实施例提供了一种计算机可读存储介质，其上存储有程序，该程序被处理器执行时实现上述数据处理方法。
本公开实施例提供了一种处理器，上述处理器用于运行程序，其中，上述程序运行时执行上述数据处理方法。
本公开实施例提供了一种设备，设备包括处理器、存储器及存储在存储器上并可在处理器上运行的程序，处理器执行程序时实现至少以下步骤：
步骤S101，在向目标站点发送目标帧之前，发送标识帧，其中，上述标识帧至少包括站点标识信息，上述站点标识信息用于指示上述目标帧所指定的站点；
步骤S102，在上述目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，接收上述目标站点返回的预定确认帧；
步骤S103，根据上述预定确认帧确定向上述目标站点发送上述目标帧，其中，上 述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间。
或者处理器执行程序时实现至少以下步骤：
步骤S201，接收无线接入点发送的标识帧，其中，上述标识帧至少包括站点标识信息，上述站点标识信息用于指示目标帧所指定的站点；
步骤S202，在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，以使上述无线接入点向上述目标站点发送上述目标帧，其中，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间。
本文中的设备可以是服务器、PC、PAD、手机等。
本公开还提供了一种计算机程序产品，当在数据处理设备上执行时，适于执行初始化有至少如下方法步骤的程序：
步骤S101，在向目标站点发送目标帧之前，发送标识帧，其中，上述标识帧至少包括站点标识信息，上述站点标识信息用于指示上述目标帧所指定的站点；
步骤S102，在上述目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，接收上述目标站点返回的预定确认帧；
步骤S103，根据上述预定确认帧确定向上述目标站点发送上述目标帧，其中，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间。
或者执行初始化有至少如下方法步骤的程序：
步骤S201，接收无线接入点发送的标识帧，其中，上述标识帧至少包括站点标识信息，上述站点标识信息用于指示目标帧所指定的站点；
步骤S202，在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，以使上述无线接入点向上述目标站点发送上述目标帧，其中，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间。
上述本公开实施例序号仅仅为了描述，不代表实施例的优劣。
在本公开的上述实施例中，对各个实施例的描述都各有侧重，某个实施例中没有详述的部分，可以参见其他实施例的相关描述。
在本公开所提供的几个实施例中，应该理解到，所揭露的技术内容，可通过其它的方式实现。其中，以上所描述的装置实施例仅仅是示意性的，例如上述单元的划分， 可以为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，单元或模块的间接耦合或通信连接，可以是电性或其它的形式。
上述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本公开各个实施例中的各功能单元可以集成在一个处理单元中，也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
上述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本公开的技术方案本质上或者说对相关技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可为个人计算机、服务器或者网络设备等)执行本公开各个实施例上述方法的全部或部分步骤。而前述的存储介质包括：U盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
从以上的描述中，可以看出，本公开上述的实施例实现了如下技术效果：
1)、本公开的上述数据处理方法，应用于无线接入点，首先，在向目标站点发送目标帧之前，发送至少包括站点标识信息的标识帧，上述站点标识信息用于指示上述目标帧所指定的站点；然后，在上述目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，接收上述目标站点返回的预定确认帧；最后，根据上述预定确认帧确定向上述目标站点发送上述目标帧，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间，该方法在上述目标帧所指定的目标站点接收到上述标识帧的情况下，接收上述目标站点返回的预定确认帧，再根据上述预定确认帧确定向上述目标站点发送上述目标帧，对于没有回复确认的站点不进行调度，从而保证不会浪费掉AP本将会为该STA分配的下行传输资源和上行传输资源，进而解决了相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的技术问题。
2)、本公开的上述数据处理方法，应用于站点，首先，接收无线接入点发送的至 少包括站点标识信息的标识帧，上述站点标识信息用于指示目标帧所指定的站点；之后，在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，以使上述无线接入点向上述目标站点发送上述目标帧，其中，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间。该方法在在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，对于没有回复确认的站点不进行调度，从而保证不会浪费掉AP本将会为该STA分配的下行传输资源和上行传输资源，进而解决了相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的技术问题。
3)、本公开的上述数据处理装置，应用于无线接入点，通过上述第一发送单元在向目标站点发送目标帧之前，发送至少包括站点标识信息的标识帧，上述站点标识信息用于指示上述目标帧所指定的站点；再通过上述第一接收单元在上述目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，接收上述目标站点返回的预定确认帧；最后通过上述确定单元根据上述预定确认帧确定向上述目标站点发送上述目标帧，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间，该装置在上述目标帧所指定的目标站点接收到上述标识帧的情况下，接收上述目标站点返回的预定确认帧，再根据上述预定确认帧确定向上述目标站点发送上述目标帧，对于没有回复确认的站点不进行调度，从而保证不会浪费掉AP本将会为该STA分配的下行传输资源和上行传输资源，进而解决了相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的技术问题。
4)、本公开的上述数据处理装置，应用于站点，通过上述第二接收单元40接收无线接入点发送的至少包括站点标识信息的标识帧，上述站点标识信息用于指示目标帧所指定的站点；之后通过上述第二发送单元在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，以使上述无线接入点向上述目标站点发送上述目标帧，其中，上述目标帧包括为上述目标站点分配的下行链路传输时间和上行链路传输时间。该装置在在目标站点接收到上述标识帧且上述目标站点为上述目标帧所指定的站点的情况下，则向上述无线接入点发送预定确认帧，对于没有回复确认的站点不进行调度，从而保证不会浪费掉AP本将会为该STA分配的下行传输资源和上行传输资源，进而解决了相关技术中的传输机制容易浪费掉无线接入点为相关站点分配的下行传输资源和上行传输资源的技术问题。
以上所述仅是本公开的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本公开原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也应视为本公开的保护范围。

Claims (10)

  1. 一种数据处理方法，应用于无线接入点，其中，包括：
    在向目标站点发送目标帧之前，发送标识帧，其中，所述标识帧至少包括站点标识信息，所述站点标识信息用于指示所述目标帧所指定的站点；
    在所述目标站点接收到所述标识帧且所述目标站点为所述目标帧所指定的站点的情况下，接收所述目标站点返回的预定确认帧；
    根据所述预定确认帧确定向所述目标站点发送所述目标帧，其中，所述目标帧包括为所述目标站点分配的下行链路传输时间和上行链路传输时间。
  2. 根据权利要求1所述的方法，其中，所述标识帧采用以下格式：第一字段包括帧类型与子类型，第二字段为持续时间，第三字段为广播地址，第四字段为无线接入点地址，第五字段包括至少一个站点标识信息，第六字段为帧校验序列。
  3. 根据权利要求1所述的方法，其中，所述预定确认帧包括确认帧以及在所述确认帧尾部的标识内容。
  4. 根据权利要求3所述的方法，其中，接收所述目标站点返回的预定确认帧，包括：
    接收所述确认帧；
    在接收所述确认帧后的预设的信号时间后，接收所述标识内容，其中，所述标识内容的时长为一个信号时间，所述信号时间为所述确认帧的一个正交频分复用符号时间与保护间隔时间之和。
  5. 根据权利要求1至4中任意一项所述的方法，其中，在发送标识帧之后，还包括：
    在所述目标站点未接收到所述标识帧或者在所述目标站点接收到所述标识帧且所述目标站点不是所述目标帧所指定的站点时，则不执行接收所述目标站点返回的预定确认帧的操作。
  6. 一种数据处理方法，应用于站点，其中，包括：
    接收无线接入点发送的标识帧，其中，所述标识帧至少包括站点标识信息，所述站点标识信息用于指示目标帧所指定的站点；
    在目标站点接收到所述标识帧且所述目标站点为所述目标帧所指定的站点的情况下，则向所述无线接入点发送预定确认帧，以使所述无线接入点向所述目标站点发送所述目标帧，其中，所述目标帧包括为所述目标站点分配的下行链路传输时间和上行链路传输时间。
  7. 一种数据处理装置，应用于无线接入点，其中，包括：
    第一发送单元，被配置为在向目标站点发送目标帧之前，发送标识帧，其中，所述标识帧至少包括站点标识信息，所述站点标识信息用于指示所述目标帧所指定的站点；
    第一接收单元，被配置为在所述目标站点接收到所述标识帧且所述目标站点为所述目标帧所指定的站点的情况下，接收所述目标站点返回的预定确认帧；
    确定单元，被配置为根据所述预定确认帧确定向所述目标站点发送所述目标帧，其中，所述目标帧包括为所述目标站点分配的下行链路传输时间和上行链路传输时间。
  8. 一种数据处理装置，应用于站点，其中，包括：
    第二接收单元，被配置为接收无线接入点发送的标识帧，其中，所述标识帧至少包括站点标识信息，所述站点标识信息用于指示目标帧所指定的站点；
    第二发送单元，被配置为在目标站点接收到所述标识帧且所述目标站点为所述目标帧所指定的站点的情况下，则向所述无线接入点发送预定确认帧，以使所述无线接入点向所述目标站点发送所述目标帧，其中，所述目标帧包括为所述目标站点分配的下行链路传输时间和上行链路传输时间。
  9. 一种计算机可读存储介质，其中，所述计算机可读存储介质包括存储的程序，其中，在所述程序运行时控制所述计算机可读存储介质所在设备执行权利要求1至5或者权利要求6中任意一项所述的数据处理方法。
  10. 一种处理器，其中，所述处理器用于运行程序，其中，所述程序运行时执行权利要求1至5或者权利要求6中任意一项所述的数据处理方法。
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