WO2021164628A1 - 无线数据传输方法及装置、存储介质、ap、sta - Google Patents

无线数据传输方法及装置、存储介质、ap、sta Download PDF

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Publication number
WO2021164628A1
WO2021164628A1 PCT/CN2021/076122 CN2021076122W WO2021164628A1 WO 2021164628 A1 WO2021164628 A1 WO 2021164628A1 CN 2021076122 W CN2021076122 W CN 2021076122W WO 2021164628 A1 WO2021164628 A1 WO 2021164628A1
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Prior art keywords
txop
data transmission
sta
sender
wireless data
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PCT/CN2021/076122
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English (en)
French (fr)
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赵育仁
徐彦超
余庆华
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展讯通信（上海）有限公司
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Publication of WO2021164628A1 publication Critical patent/WO2021164628A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
    • H04W28/18—Negotiating wireless communication parameters
    • H04W28/20—Negotiating bandwidth

Definitions

  • the present invention relates to the field of communication technology, in particular to a wireless data transmission method and device, storage medium, AP, and STA.
  • TXOP competition is an important content of wireless channel access, which is composed of an initial time and a maximum duration (TXOP limit).
  • TXOP limit a maximum duration
  • the TXOP can be obtained through competition or allocation, and the station that obtains the TXOP can continuously use the channel to transmit multiple data frames within the TXOP limit time without having to compete for the channel again.
  • Primary20, Primary40, Primary80 or other bandwidths can be used respectively.
  • the state of the primary 20MHz channel such as channel 1
  • the states of the other non-primary channels are all busy
  • only "Primary20” can be used, and the available bandwidth at this time is 20MHz.
  • the status of the main 40MHz channel such as channel 1, 2) is idle and the status of the other non-primary channels are all busy
  • only "Primary40” can be used, and the available bandwidth at this time is 40MHz.
  • the status of the primary 80MHz channel such as channels 1, 2, 3, and 4) is idle, and the status of the remaining non-primary channels are all busy
  • only "Primary80" can be used, and the available bandwidth at this time is 80MHz.
  • single-link or multi-link devices that support a larger total bandwidth can only use a smaller total bandwidth for transmission when there is interference in the secondary channel; or when full bandwidth transmission is required Because of interference, it is more difficult to obtain the opportunity of full-bandwidth transmission compared to devices that only support narrow bandwidth.
  • the technical problem solved by the present invention is to provide a wireless data transmission method and device, storage medium, AP, STA, which can have the opportunity to determine a more appropriate sender through the cooperation of STA and AP, and the judgment of AP, so that it can effectively Improve the data transmission efficiency of the system.
  • an embodiment of the present invention provides a wireless data transmission method, which is suitable for an access point, and includes the following steps: receiving a control right of TXOP from a STA, and the control right of the TXOP is obtained by the STA through TXOP competition. After the TXOP, it is forwarded when it is determined that the STA's own available total bandwidth is less than the reference total bandwidth; the sender is determined, and the sender uses the TXOP for data transmission.
  • the wireless data transmission method further includes: if the STA has a TXOP storage record, recording the number of transfers of the STA plus 1; if the STA does not have a TXOP storage record, recording all The number of transfers of the STA is 1.
  • the determining the sender includes: querying one or more STAs with TXOP saving records in a sequential or parallel manner to determine whether each STA with TXOP saving records needs to use the TXOP for data transmission, Wherein, the number of handovers of the STAs with TXOP saving records is greater than or equal to 1; receiving feedback information from the one or more STAs with TXOP saving records; determining the sender according to the feedback information; if the sending If the party is one of the STAs, the control right of the TXOP is transferred to the sender, and the number of transfers of the STA receiving the control right is reduced by one.
  • inquiring about one or more STAs with TXOP saved records in a sequential or parallel manner includes: sending a trigger frame to the one or more STAs with TXOP saved records to trigger uplink OFDMA transmission, so that all The one or more STAs with TXOP saved records use the uplink OFDMA to transmit feedback information.
  • determining the sender according to the feedback information includes: if the feedback information indicates that there are two or more STAs that need to use the TXOP for data transmission, determining the sender according to a preset priority The sender is one of the STAs.
  • the wireless data transmission method further includes: sending a trigger frame to the one or more STAs with TXOP save records to trigger uplink OFDMA transmission, so that the one or more TXOP save records
  • the STA of STA uses the uplink OFDMA to transmit TXOP for data transmission.
  • determining the sender according to the feedback information includes: if the feedback information indicates that there is no STA that needs to use the TXOP for data transmission, and the access point itself has data to be transmitted that can be transmitted using the TXOP , It is determined that the sender is the access point itself, and the TXOP is used for data transmission.
  • determining the sender according to the feedback information includes: if the feedback information indicates that there is no STA that needs to use the TXOP for data transmission, and the access point itself does not have the data to be transmitted that can be transmitted using the TXOP , It is determined to release the TXOP.
  • the determining the sender includes: determining that the sender is the access point itself, and using the TXOP for data transmission.
  • the embodiment of the present invention provides a wireless data transmission method, which is suitable for STAs, and includes the following steps: after obtaining TXOP through TXOP competition, determining that the STA's own available total bandwidth is less than the reference total bandwidth; The control right is transferred to the access point, so that the access point determines the sender, and the sender uses the TXOP for data transmission.
  • the wireless data transmission method further includes: receiving an inquiry from the access point in a sequential or parallel manner, and the inquiry is used to determine whether each STA with a TXOP save record needs to use the TXOP for processing.
  • Data transmission wherein the number of handovers of the STA with a saved TXOP record is greater than or equal to 1; feedback information is sent to the access point so that the access point can determine the sender according to the feedback information; If the sender is the STA itself, the control right of the TXOP is received, and the number of handovers of the STA is reduced by one.
  • receiving the inquiries from the access point in a sequential or parallel manner includes: receiving a trigger frame from the access point, the trigger frame being used to trigger uplink OFDMA transmission; and using the uplink OFDMA to transmit feedback information .
  • the wireless data transmission method further includes: receiving a trigger frame from the access point, where the trigger frame is used to trigger uplink OFDMA transmission; and using the uplink OFDMA transmission TXOP for data transmission.
  • an embodiment of the present invention provides a wireless data transmission device suitable for access points, including: a control right receiving module adapted to receive control right of TXOP from STA, the control right of said TXOP is said After the STA obtains the TXOP through the TXOP competition, it is forwarded when it determines that the STA's own available total bandwidth is less than the reference total bandwidth; the sender determination module is adapted to determine the sender, and the sender uses the TXOP for data transmission.
  • an embodiment of the present invention provides a wireless data transmission device suitable for STAs, including: a TXOP obtaining module, adapted to determine that the STA's own available total bandwidth is less than the reference total bandwidth after obtaining the TXOP through TXOP competition; control;
  • the right transfer module is adapted to transfer the control right of the TXOP to an access point, so that the access point determines the sender, and the sender uses the TXOP for data transmission.
  • an embodiment of the present invention provides a storage medium on which computer instructions are stored, and the steps of the wireless data transmission method are executed when the computer instructions are executed.
  • an embodiment of the present invention provides an AP, including a memory and a processor, the memory stores computer instructions that can run on the processor, and the processor executes the computer instructions when the computer instructions are run. The steps of the above-mentioned wireless data transmission method.
  • an embodiment of the present invention provides an STA, including a memory and a processor, the memory stores computer instructions that can run on the processor, and the processor executes the computer instructions when the computer instructions are run. The steps of the above-mentioned wireless data transmission method.
  • the AP by setting the STA to transfer the TXOP control right when its total available bandwidth is less than the reference total bandwidth, the AP can determine the sender. Since the AP is the creator of the wireless network, it has the status of the central node of the network. The control right of TXOP can be allocated to the sender in need. Compared with the prior art, the STA that has the control right can only decide whether to perform data transmission, and only a smaller one can be selected when there is interference. The bandwidth is used for data transmission, or only TXOP can be released without data transmission.
  • the sender is determined according to the STA feedback information and the control of the TXOP is transferred to the sender. Therefore, STAs that have data transmission needs and can use the total bandwidth to meet the requirements can be quickly determined, thereby effectively improving the data transmission efficiency of the system.
  • the AP itself uses the TXOP for data transmission, thereby avoiding waste of all data.
  • the TXOP can further effectively improve the data transmission efficiency of the system.
  • the AP releases the TXOP by itself, thereby determining that there is no appropriate sender. In the case of, release the TXOP as soon as possible to avoid affecting the use of the system by the needy members, that is, effectively improving the data transmission efficiency of the system.
  • Figure 1 is a flowchart of a wireless data transmission method in an embodiment of the present invention
  • FIG. 2 is a flowchart of a specific implementation of step S12 in FIG. 1;
  • FIG. 3 is a flowchart of a specific implementation of step S23 in FIG. 2;
  • Fig. 4 is a schematic structural diagram of a wireless data transmission device in an embodiment of the present invention.
  • the usable bandwidth of the transmitting end or the receiving end is often limited due to the existence of interference in the use environment with interference.
  • the transmitting end and the The usable bandwidth between the receiving ends may also be different. Therefore, there are multiple bandwidth combinations, which often results in the use of smaller bandwidth to transmit data in order to meet the needs of the smaller bandwidth party, resulting in lower transmission efficiency.
  • Primary20, Primary40, Primary80 or other bandwidths can be used respectively. Among them, when the state of the primary 20MHz channel (such as channel 1) is idle and the states of the other non-primary channels are all busy, only "Primary20" can be used, and the available bandwidth at this time is 20MHz.
  • the inventor of the present invention has discovered through research that in the prior art, when the STA obtains the control right, the STA can only decide whether to perform data transmission according to the available bandwidth at the time, and the STA can only release without data transmission. TXOP leads to lower data transmission efficiency of the system.
  • the control right of the TXOP is received from the STA, and the control right of the TXOP is transferred when the STA determines that its total available bandwidth is less than the reference total bandwidth after obtaining the TXOP through the TXOP competition; determining the sender, The sender uses the TXOP for data transmission.
  • the AP can determine the sender. Since the AP is the creator of the wireless network and has the status of the central node of the network, it can be realized The control right of TXOP is allocated to the sender in need.
  • the STA that has the control right can only decide whether to perform data transmission, and only a smaller bandwidth can be selected when there is interference.
  • Data transmission, or TXOP can only be released without data transmission.
  • the scheme of the embodiment of the present invention there is a chance to determine a more appropriate sender through the judgment of the AP, so that the STA can be affected by the transmission opportunity. In the case of impact, there are more opportunities to use a larger bandwidth for data transmission, which can effectively improve the data transmission efficiency of the system.
  • FIG. 1 is a flowchart of a wireless data transmission method in an embodiment of the present invention.
  • the wireless data transmission method may include step S11 to step S12:
  • Step S11 Receive the control right of the TXOP from the STA.
  • the control right of the TXOP is transferred when the STA determines that the total available bandwidth of the STA is less than the reference total bandwidth after obtaining the TXOP through the TXOP competition;
  • Step S12 Determine the sender, and the sender uses the TXOP for data transmission.
  • step S11 the STA can obtain the control right of the TXOP via the TXOP competition, and the steps can be implemented in a conventional manner.
  • the step of the STA obtaining the control right of the TXOP via the TXOP competition may include: randomly determining the initial value of the reciprocal from the initial backoff window; each reciprocal time interval (backoff interval), when the state of the main 20MHz channel When it is idle, reduce the initial value of the original reciprocal by one to obtain the updated reciprocal value; when the updated reciprocal value is zero, it is determined that the STA can obtain the control right of the TXOP.
  • backoff interval when the state of the main 20MHz channel When it is idle, reduce the initial value of the original reciprocal by one to obtain the updated reciprocal value; when the updated reciprocal value is zero, it is determined that the STA can obtain the control right of the TXOP.
  • the STA determines that its total available bandwidth is less than the reference total bandwidth, it transfers the control right of the TXOP to an access point (Access Point, AP).
  • an access point Access Point, AP
  • the available total bandwidth is compared with the reference total bandwidth.
  • the available total bandwidth (Available Total Bandwidth, ATBW) is used to indicate the total available bandwidth that can be used when the STA determines to use the TXOP to send data.
  • ATBW Average Total Bandwidth
  • the total available bandwidth can be regarded as the available bandwidth of a link, for example, the available bandwidth of the single link; if the wireless data transmission When the method is used for multi-link data transmission, the total available bandwidth can be regarded as the sum of the available bandwidth of multiple links.
  • the reference total bandwidth (Reference Total Bandwidth, RTBW) is used to indicate a value for comparison, so that the STA at least determines whether to use the TXOP to transmit according to the comparison result of the available total bandwidth and the reference total bandwidth. Data or transfer control of TXOP to the access point.
  • the reference total bandwidth may be a preset static value, or a dynamic value determined according to historical data.
  • the reference total bandwidth can be determined in different ways.
  • the reference total bandwidth may be regarded as the sum of the reference bandwidths of one or more links; in another specific implementation manner, the reference total bandwidth may also be regarded as a preset historical duration The average value of the total available bandwidth within.
  • the reference bandwidth of each link is not defined, but the reference total bandwidth is directly set or obtained.
  • step S12 the appropriate sender is determined, which may be other STAs or the AP itself, and the sender may use the TXOP for data transmission.
  • the wireless data transmission method may further include: the initial value of the number of handovers of the STA is 0, and the STA transfers the control right of the TXOP to the access point, then recording the number of handovers of the STA plus 1.
  • the STA has a TXOP save record according to whether the parameter of the number of transfers is greater than or equal to 1. Furthermore, by setting the number of transfers plus 1, it is possible to quickly determine how many TXOPs have been saved by the STA by reading the parameter of the number of transfers after receiving the control right of the TXOP using the solution of the present invention.
  • the appropriate sender is determined, and if the determined sender is another STA, the number of handovers of the other STA is recorded minus one.
  • the parameter of the number of handovers is greater than or equal to 1, it is possible to preferentially determine whether the STA with the number of handovers greater than or equal to 1 is an appropriate sender.
  • FIG. 2 is a flowchart of a specific implementation of step S12 in FIG. 1.
  • the step of determining the sender may include step S21 to step S24, and each step will be described below.
  • step S21 query one or more STAs with TXOP saved records in a sequential or parallel manner to determine whether each STA with TXOP saved records needs to use the TXOP for data transmission, wherein the TXOP The number of transfers of STAs that save records is ⁇ 1.
  • each STA with a TXOP saved record is an STA whose number of handovers is greater than or equal to 1.
  • step S22 feedback information is received from the one or more STAs with a saved record of TXOP.
  • each STA with a saved record of TXOP is an STA whose number of handovers is greater than or equal to 1.
  • the control right transfer step of the TXOP is further set.
  • inquiring about one or more STAs with TXOP saved records in a sequential or parallel manner includes: sending a trigger frame to the one or more STAs with TXOP saved records to trigger uplink OFDMA transmission, so that the One or more STAs with saved TXOP records use the uplink OFDMA to transmit feedback information.
  • step S23 the sender is determined according to the feedback information.
  • Fig. 3 is a flowchart of a specific implementation of step S23 in Fig. 2.
  • the step of determining the sender according to the feedback information may include step S31, or may include step S32, or may include step S33, and each step is described below.
  • step S31 if the feedback information indicates that there are two or more STAs that need to use the TXOP for data transmission, the sender is determined to be one of the STAs according to a preset priority.
  • the sender by querying one or more STAs with TXOP saved record transfer times greater than or equal to 1 in a sequential or parallel manner, the sender is determined according to the STA feedback information and the control right of the TXOP is determined. By forwarding to the sender, it is possible to quickly determine STAs that have data transmission needs and can use the total bandwidth to meet the requirements, thereby effectively improving the data transmission efficiency of the system.
  • step S32 if the feedback information indicates that there is no STA that needs to use the TXOP for data transmission, and the access point itself has data to be transmitted that can be transmitted using the TXOP, then it is determined that the sender is the access point And use the TXOP for data transmission.
  • the AP itself uses the TXOP for data transmission Therefore, waste of the TXOP can be avoided, and the data transmission efficiency of the system can be further effectively improved.
  • the wireless data transmission method may further include: sending a trigger frame to the one or more STAs with TXOP records to trigger uplink orthogonal frequency division multiple access (Orthogonal Frequency Division Multiple Access, OFDMA) transmission , So that the one or more STAs with a saved record of TXOP use the uplink OFDMA to transmit the TXOP for data transmission.
  • OFDMA Orthogonal Frequency Division Multiple Access
  • the one or more STAs with TXOP save records are STAs with the number of handovers greater than or equal to 1.
  • the AP can be configured to send trigger frames and uplink OFDMA to guide the STA to perform the steps of data transmission.
  • the solutions of the embodiments of the present invention can be implemented based on the existing trigger frames and uplink transmission of OFDMA, which helps to improve applicability, and Improve the efficiency of data transmission.
  • step S33 if the feedback information indicates that there is no STA that needs to use the TXOP for data transmission, and the access point itself does not have the data to be transmitted that can be transmitted by the TXOP, it is determined to release the TXOP.
  • the AP releases the TXOP by itself, thereby determining If there is no proper sender, the TXOP should be released as soon as possible to avoid affecting the use of the system by the needy members, that is, effectively improving the data transmission efficiency of the system.
  • the wireless data transmission method may further include: sending a trigger frame to the one or more STAs with TXOP records, and uplink transmission of OFDMA, so that the one or more TXOPs
  • the STA that saves the record uses the TXOP for data transmission.
  • the one or more STAs with TXOP records may be STAs that have fed back that they do not need to use the TXOP for data transmission.
  • the AP guides the STA to use the TXOP according to its own judgment, which helps improve the applicability. And improve the efficiency of data transmission.
  • step S24 if the sender is one of the STAs, the control right of the TXOP is transferred to the sender.
  • step S23 if it is determined that the sender is one of the STAs, the control right of the TXOP is transferred to the STA; if it is determined that the sender is itself, the step S32 or step S33 can be used The way is executed, there is no restriction here.
  • the AP may also directly determine that the sender is the access point itself, and use the TXOP for data transmission.
  • the AP receives the control right of the TXOP from the STA, it directly determines that the sender is itself and uses the TXOP for data transmission. Compared with the prior art, it can only be determined by the STA that has the control right. Whether to perform data transmission, the AP has no chance to judge and transmit at all. By adopting the solution of the embodiment of the present invention, the opportunity for the AP to perform data transmission can be improved, thereby effectively improving the data transmission efficiency of the system.
  • the AP by setting the STA to transfer the TXOP control right when its total available bandwidth is less than the reference total bandwidth, the AP can determine the sender. Since the AP is the creator of the wireless network, it has the status of the central node of the network. The control right of TXOP can be allocated to the sender in need. Compared with the prior art, the STA that has the control right can only decide whether to perform data transmission, and only a smaller one can be selected when there is interference. The bandwidth is used for data transmission, or only TXOP can be released without data transmission.
  • a wireless data transmission method is also disclosed in the embodiment of the present invention, which is applicable to STAs, including the following steps: After obtaining TXOP through TXOP competition, determine that the STA's own available total bandwidth is less than the reference total bandwidth; The control right of the TXOP is transferred to the access point, so that the access point determines the sender, and the sender uses the TXOP for data transmission.
  • the wireless data transmission method further includes: receiving inquiries from the access point in a sequential or parallel manner, and the inquiries are used to determine whether each STA with a TXOP save record needs to use the TXOP to perform data Transmission, wherein the number of handovers of the STA with a saved TXOP record is greater than or equal to 1; feedback information is sent to the access point so that the access point can determine the sender according to the feedback information; if the If the sender is the STA itself, the control right of the TXOP is received, and the number of handovers of the STA is reduced by one.
  • receiving the inquiries from the access point in a sequential or parallel manner includes: receiving a trigger frame from the access point, the trigger frame being used to trigger uplink OFDMA transmission; and using the uplink OFDMA to transmit feedback information.
  • the wireless data transmission method further includes: receiving a trigger frame from the access point, the trigger frame being used to trigger uplink OFDMA transmission; and using the uplink OFDMA transmission TXOP for data transmission.
  • the AP by setting the STA to transfer the TXOP control right when its total available bandwidth is less than the reference total bandwidth, the AP can determine the sender. Since the AP is the creator of the wireless network, it has the status of the central node of the network. The control right of TXOP can be allocated to the sender in need. Compared with the prior art, the STA that has the control right can only decide whether to perform data transmission, and only a smaller one can be selected when there is interference. The bandwidth is used for data transmission, or only TXOP can be released without data transmission.
  • FIG. 4 is a schematic structural diagram of a wireless data transmission device in an embodiment of the present invention.
  • the wireless data transmission device may include:
  • the control right receiving module 41 is adapted to receive the control right of the TXOP from the STA, and the control right of the TXOP is transferred when the STA determines that the STA's own available total bandwidth is less than the reference total bandwidth after obtaining the TXOP through the TXOP competition;
  • the sender determining module 42 is adapted to determine the sender, and the sender uses the TXOP for data transmission.
  • a wireless data transmission device which is suitable for STAs, and includes: a TXOP obtaining module, adapted to determine that the total available bandwidth of the access point itself is less than the reference total bandwidth after obtaining the TXOP through TXOP competition;
  • the control right transfer module is adapted to transfer the control right of the TXOP to an access point, so that the access point determines the sender, and the sender uses the TXOP for data transmission.
  • the embodiment of the present invention also provides a storage medium on which computer instructions are stored, and the steps of the above-mentioned wireless data transmission method are executed when the computer instructions are executed.
  • the storage medium may be a computer-readable storage medium, for example, it may include non-volatile memory (non-volatile) or non-transitory (non-transitory) memory, and may also include optical disks, mechanical hard drives, solid state hard drives, and the like.
  • the processor may be a central processing unit (central processing unit, CPU for short), and the processor may also be other general-purpose processors or digital signal processors (DSP for short). ), application specific integrated circuit (ASIC for short), field programmable gate array (FPGA for short) or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, etc.
  • the general-purpose processor may be a microprocessor or the processor may also be any conventional processor or the like.
  • the memory in the embodiments of the present application may be volatile memory or non-volatile memory, or may include both volatile and non-volatile memory.
  • the non-volatile memory can be read-only memory (read-only memory, ROM for short), programmable read-only memory (programmable ROM, PROM for short), erasable PROM (EPROM for short) , Electrically Erasable Programmable Read-Only Memory (EPROM, EEPROM for short) or flash memory.
  • the volatile memory may be a random access memory (random access memory, RAM for short), which is used as an external cache.
  • random access memory random access memory
  • static random access memory static random access memory
  • DRAM dynamic random access memory
  • SDRAM synchronous Dynamic random access memory
  • DDR SDRAM double data rate synchronous dynamic random access memory
  • ESDRAM enhanced synchronous dynamic random access memory
  • Synchronously connect dynamic random access memory switchlink DRAM, SLDRAM
  • direct memory bus random access memory direct rambus RAM, DR RAM for short
  • An embodiment of the present invention also provides an AP, including a memory and a processor, the memory stores computer instructions that can run on the processor, and the processor executes the above-mentioned wireless data transmission when the computer instructions are executed. Method steps.
  • An embodiment of the present invention also provides an STA, including a memory and a processor, the memory stores computer instructions that can run on the processor, and the processor executes the above-mentioned wireless data transmission when the computer instructions are executed. Method steps.

Abstract

一种无线数据传输方法及装置、存储介质、AP、STA，所述方法包括：从STA接收TXOP的控制权，所述TXOP的控制权是所述STA经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽时转交的；确定发送方，所述发送方采用所述TXOP进行数据传输。本申请方案可以有机会通过AP的判断，确定更适当的发送方，从而可以有效地提高系统的数据传输效率。

Description

无线数据传输方法及装置、存储介质、AP、STA
本申请要求于2020年2月20日提交中国专利局、申请号为202010104878.5、发明名称为“无线数据传输方法及装置、存储介质、AP、STA”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及通信技术领域，尤其涉及一种无线数据传输方法及装置、存储介质、AP、STA。
背景技术
在传统的电气和电子工程师协会802.11(Institute of Electrical and Electronics Engineers 802.11，IEEE802.11)协议中，只定义了单一链路的系统，例如为无线局域网(Wireless Local Area Network，WLAN)协议。随着技术发展，在802.11be中开始对新型多链路系统进行讨论。
在无线数据传输技术中，发送机会(Transmission Opportunity，TXOP)竞争是无线信道接入的重要内容，由初始时间和最大持续时间(TXOP limit)组成。具体地，TXOP可以通过竞争或分配等方式获得，获得TXOP的站点在TXOP limit时间内可以连续使用信道传输多个数据帧，而无需再重新竞争信道。
然而，在现有技术中，只能由取得控制权的站点(Station，STA)决定是否进行数据传输，且在不进行数据传输的情况下只能释放TXOP，导致系统的数据传输效率较低。
在单链路系统中，由于发送端和接收端使用的带宽常常存在不 同，因此，存在多种带宽组合，导致经常为了满足较小带宽一方的需求，而采用较小带宽传输数据，导致传输效率较低。例如，可以分别采用Primary20，Primary40，Primary80或其他带宽。其中，当主20MHz信道(如信道1)的状态为闲，而其余非主信道的状态均为忙时,仅能使用“Primary20”，此时的可用带宽为20MHz。当主40MHz信道(如信道1、2)的状态为闲，而其余非主信道的状态均为忙时,仅能使用“Primary40”，此时的可用带宽为40MHz。当主80MHz信道(如信道1、2、3和4)的状态为闲，而其余非主信道的状态均为忙时,仅能使用“Primary80”，此时的可用带宽为80MHz。
这个问题在同步多链路系统中则更加严重，更容易发生传输效率较低的问题。具体而言，在同步多链路系统中，由于可能存在有一条或多条辅链路、主/辅链路均可以使用多种带宽，导致确定的信道带宽受到多个条件的限制，可能进一步减小。
因此,支持较大总频宽的单链路或多链路装置,在secondary channel存在干扰的情况下,只能使用较小的总频宽发送；或者是在要求使用全频宽发送的情况下,因为干扰的存在,相较于仅支持窄频宽的装置,较难取得全频宽发送的机会。
发明内容
本发明解决的技术问题是提供一种无线数据传输方法及装置、存储介质、AP、STA，可以有机会通过STA与AP的配合,以及AP的判断，确定更适当的发送方，从而可以有效地提高系统的数据传输效率。
为解决上述技术问题，本发明实施例提供一种无线数据传输方法，适用于接入点，包括以下步骤：从STA接收TXOP的控制权，所述TXOP的控制权是所述STA经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽时转交的；确定发送方，所述发送方采用所述TXOP进行数据传输。
可选的，所述的无线数据传输方法还包括：如果所述STA已具有TXOP的保存记录，则记录所述STA的转交次数加1；如果所述STA尚未具有TXOP的保存记录，则记录所述STA的转交次数为1。
可选的，所述确定发送方包括：以循序或并行的方式询问一个或多个具有TXOP的保存记录的STA，以确定各个具有TXOP的保存记录的STA是否需要采用所述TXOP进行数据传输，其中，所述具有TXOP的保存记录的STA的转交次数≥1；从所述一个或多个具有TXOP的保存记录的STA接收反馈信息；根据所述反馈信息确定所述发送方；如果所述发送方为所述STA中的一个，则将所述TXOP的控制权转交至所述发送方，且接收所述控制权的STA的转交次数减1。
可选的，以循序或并行的方式询问一个或多个具有TXOP的保存记录的STA包括：向所述一个或多个具有TXOP的保存记录的STA发送触发帧，触发上行OFDMA传输，以使所述一个或多个具有TXOP的保存记录的STA采用所述上行OFDMA传输反馈信息。
可选的，根据所述反馈信息确定所述发送方包括：如果所述反馈信息指示有两个或两个以上需要采用所述TXOP进行数据传输的STA，则根据预设的优先级确定所述发送方为其中一个STA。
可选的，所述的无线数据传输方法还包括：向所述一个或多个具有TXOP的保存记录的STA发送触发帧，触发上行OFDMA传输，以使所述一个或多个具有TXOP的保存记录的STA采用所述上行OFDMA传输TXOP进行数据传输。
可选的，根据所述反馈信息确定所述发送方包括：如果所述反馈信息指示没有需要采用所述TXOP进行数据传输的STA，并且接入点自己具有能够采用所述TXOP传输的待发送数据，则确定所述发送方为接入点自己，并采用所述TXOP进行数据传输。
可选的，根据所述反馈信息确定所述发送方包括：如果所述反馈信息指示没有需要采用所述TXOP进行数据传输的STA，并且接入点 自己没有能够采用所述TXOP传输的待发送数据，则确定释放所述TXOP。
可选的，所述确定发送方包括：确定所述发送方为接入点自己，并采用所述TXOP进行数据传输。
为解决上述技术问题，本发明实施例提供一种无线数据传输方法，适用于STA，包括以下步骤：经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽；转交所述TXOP的控制权至接入点，以使所述接入点确定发送方，所述发送方采用所述TXOP进行数据传输。
可选的，所述无线数据传输方法还包括：接收所述接入点以循序或并行的方式进行的询问，所述询问用于确定各个具有TXOP的保存记录的STA是否需要采用所述TXOP进行数据传输，其中，所述具有TXOP的保存记录的STA的转交次数≥1；向所述接入点发送反馈信息，以使所述接入点根据所述反馈信息确定所述发送方；如果所述发送方为STA自己，则接收所述TXOP的控制权，所述STA的转交次数减1。
可选的，接收所述接入点以循序或并行的方式进行的询问包括：从所述接入点接收触发帧，所述触发帧用于触发上行OFDMA传输；采用所述上行OFDMA传输反馈信息。
可选的，所述的无线数据传输方法还包括：从所述接入点接收触发帧，所述触发帧用于触发上行OFDMA传输；采用所述上行OFDMA传输TXOP进行数据传输。
为解决上述技术问题，本发明实施例提供一种无线数据传输装置，适用于接入点，包括：控制权接收模块，适于从STA接收TXOP的控制权，所述TXOP的控制权是所述STA经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽时转交的；发送方确定模块，适于确定发送方，所述发送方采用所述TXOP进行数 据传输。
为解决上述技术问题，本发明实施例提供一种无线数据传输装置，适用于STA，包括：TXOP获得模块，适于经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽；控制权转交模块，适于转交所述TXOP的控制权至接入点，以使所述接入点确定发送方，所述发送方采用所述TXOP进行数据传输。
为解决上述技术问题，本发明实施例提供一种存储介质，其上存储有计算机指令，所述计算机指令运行时执行上述无线数据传输方法的步骤。
为解决上述技术问题，本发明实施例提供一种AP，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机指令，所述处理器运行所述计算机指令时执行上述无线数据传输方法的步骤。
为解决上述技术问题，本发明实施例提供一种STA，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机指令，所述处理器运行所述计算机指令时执行上述无线数据传输方法的步骤。
与现有技术相比，本发明实施例的技术方案具有以下有益效果：
在本发明实施例中，通过设置STA在自己的可用总带宽小于参考总带宽时转交TXOP控制权，可以由AP确定发送方，由于AP为无线网络的创建者，具有网络的中心节点的地位，可以实现将TXOP的控制权分配给有需要的发送方，相比于现有技术中只能由取得控制权的STA决定是否进行数据传输，且在当下存在干扰的情况下只能选择较小的频宽进行数据传输，或是不进行数据传输的情况下只能释放TXOP，采用本发明实施例的方案，可以有机会通过AP的判断，确定更适当的发送方，可以让STA能够在获得传输机会不受影响的情况下，有更多的机会使用较大的频宽进行数据传输，从而可以有效 地提高系统的数据传输效率。
进一步，通过以循序或并行的方式询问一个或多个具有TXOP的保存记录转交次数大于等于1的STA，进而根据STA反馈信息确定所述发送方并将所述TXOP的控制权转交至所述发送方，可以快速确定有数据传输需要且当下可使用总频宽达到要求的STA，从而有效地提高系统的数据传输效率。
进一步，如果所述反馈信息指示没有需要采用所述TXOP进行数据传输的STA，并且AP自己具有能够采用所述TXOP传输的待发送数据，则AP自己采用所述TXOP进行数据传输，从而避免浪费所述TXOP，进一步有效地提高系统的数据传输效率。
进一步，如果所述反馈信息指示没有需要采用所述TXOP进行数据传输的STA，并且自己没有能够采用所述TXOP传输的待发送数据，则AP自己释放所述TXOP，从而在确定没有适当的发送方的情况下，尽快释放该TXOP，避免影响系统的有需要的成员使用，也即有效地提高系统的数据传输效率。
附图说明
图1是本发明实施例中一种无线数据传输方法的流程图；
图2是图1中步骤S12的一种具体实施方式的流程图；
图3是图2中步骤S23的一种具体实施方式的流程图；
图4是本发明实施例中一种无线数据传输装置的结构示意图。
具体实施方式
如前所述，在现有的无线数据传输技术的单链路系统中，由于在有干扰的使用环境中,发送端或接收端的可使用带宽常常因干扰的存在而限缩,此外发送端和接收端之间的可使用带宽也可能不同，因 此，存在多种带宽组合，导致经常为了满足较小带宽一方的需求，而采用较小带宽传输数据，导致传输效率较低。例如，可以分别采用Primary20，Primary40，Primary80或其他带宽。其中，当主20MHz信道(如信道1)的状态为闲，而其余非主信道的状态均为忙时,仅能使用“Primary20”，此时的可用带宽为20MHz。当主40MHz信道(如信道1、2)的状态为闲，而其余非主信道的状态均为忙时,仅能使用“Primary40”，此时的可用带宽为40MHz。当主80MHz信道(如信道1、2、3和4)的状态为闲，而其余非主信道的状态均为忙时,仅能使用“Primary80”，此时的可用带宽为80MHz。
本发明的发明人经过研究发现，在现有技术中，当STA取得控制权时，只能由STA决定是否根据当时可使用频宽进行数据传输，且在不进行数据传输的情况下STA只能释放TXOP，导致系统的数据传输效率较低。
在本发明实施例中，从STA接收TXOP的控制权，所述TXOP的控制权是所述STA经由TXOP竞争获得TXOP后，确定自己的可用总带宽小于参考总带宽时转交的；确定发送方，所述发送方采用所述TXOP进行数据传输。采用上述方案，通过设置STA在自己的可用总带宽小于参考总带宽时转交TXOP控制权，可以由AP确定发送方，由于AP为无线网络的创建者，具有网络的中心节点的地位，可以实现将TXOP的控制权分配给有需要的发送方，相比于现有技术中只能由取得控制权的STA决定是否进行数据传输，且在当下存在干扰的情况下只能选择较小的频宽进行数据传输，或是不进行数据传输的情况下只能释放TXOP，采用本发明实施例的方案，可以有机会通过AP的判断，确定更适当的发送方，可以让STA能够在获得传输机会不受影响的情况下，有更多的机会使用较大的频宽进行数据传输，从而可以有效地提高系统的数据传输效率。
为使本发明的上述目的、特征和有益效果能够更为明显易懂，下面结合附图对本发明的具体实施例做详细的说明。
参照图1，图1是本发明实施例中一种无线数据传输方法的流程图。所述无线数据传输方法可以包括步骤S11至步骤S12：
步骤S11：从STA接收TXOP的控制权，所述TXOP的控制权是所述STA经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽时转交的；
步骤S12：确定发送方，所述发送方采用所述TXOP进行数据传输。
在步骤S11中，所述STA可以经由TXOP竞争获得TXOP的控制权，其步骤可以采用常规的方式实现。
具体地，所述STA经由TXOP竞争获得TXOP的控制权的步骤可以包括：从初始退避窗口(back off window)随机确定倒数初始值；每一倒数时间间隔(back off interval)，当主20MHz信道的状态为闲时，使所述原始倒数初始值减一，以得到更新后的倒数数值；当所述更新后的倒数数值为零时，确定所述STA可以获得TXOP的控制权。
然后，当STA确定自己的可用总带宽小于参考总带宽时转交TXOP的控制权至接入点(Access Point，AP)。
具体地，对可用总带宽与参考总带宽进行比较。
其中，所述可用总带宽(Available Total Bandwidth，ATBW)用于指示当所述STA在确定采用该TXOP发送数据时，可以采用的可用总带宽。具体地，如果所述无线数据传输方法用于单链路数据传输时，所述可用总带宽可以视为一条链路的可用带宽，例如为该单链路的可用带宽；如果所述无线数据传输方法用于多链路数据传输时，所述可用总带宽可以视为多条链路的可用带宽之和。
所述参考总带宽(Reference Total Bandwidth，RTBW)用于指示一个用于比较的值，以使所述STA至少根据所述可用总带宽与所述参考总带宽的比较结果，确定是否采用该TXOP发送数据或是转交TXOP的控制权至接入点。具体地，所述参考总带宽可以是预设的静 态值，还可以是根据历史数据确定的动态值。
需要指出的是，所述参考总带宽可以采用不同的方式确定。在一种具体实施方式中，所述参考总带宽可以视为一条或多条链路的参考带宽之和；在另一种具体实施方式中，所述参考总带宽还可以视为预设历史时长内可用总带宽的平均值。
在本发明实施例的又一种具体实施方式中，未定义每条链路的参考带宽而直接设定或是获得所述参考总带宽。
在步骤S12的具体实施中，确定适当的发送方，可以为其他STA或AP自己，所述发送方可以采用所述TXOP进行数据传输。
进一步地，所述无线数据传输方法还可以包括：所述STA的转交次数初始值为0，所述STA转交TXOP的控制权至接入点，则记录所述STA的转交次数加1。
在本发明实施例中，可以根据转交次数这一参数是否大于等于1，确定所述STA已经有过TXOP的保存记录。进一步地，通过设置转交次数加1，可以在每次采用本发明方案接收TXOP的控制权后，通过读取转交次数这一参数，快速确定STA已经有过几次TXOP的保存记录。
进一步地，所述确定适当的发送方，若确定的发送方为其他STA，则记录该其他STA的转交次数减1。在本发明实施例中，可以根据转交次数这一参数是否大于等于1，优先确定所述转交次数大于等于1的STA是否为适当的发送方。
参照图2，图2是图1中步骤S12的一种具体实施方式的流程图。所述确定发送方的步骤可以包括步骤S21至步骤S24，以下对各个步骤进行说明。
在步骤S21中，以循序或并行的方式询问一个或多个具有TXOP的保存记录的STA，以确定各个具有TXOP的保存记录的STA是否需要采用所述TXOP进行数据传输，其中，所述具有TXOP的保存 记录的STA的转交次数≥1。
换言之，所述各个具有TXOP的保存记录的STA为转交次数大于等于1的STA。
可以理解的是，采用循序方式询问多个STA，可以是依照预设的优先级依次询问各个STA，以有机会减少询问的次数；采用并行方式询问多个STA，可以同时询问各个STA，以有机会提高询问的效率。
在步骤S22中，从所述一个或多个具有TXOP的保存记录的STA接收反馈信息。
其中，所述各个具有TXOP的保存记录的STA为转交次数大于等于1的STA。
在具体实施中，通过询问具有TXOP的保存记录转交次数大于等于1的STA并接收反馈信息，可以确定各个具有TXOP的保存记录转交次数大于等于1的STA是否需要采用所述TXOP进行数据传输，进而在确定存在有STA需要采用该TXOP进行数据传输时，进一步设置TXOP的控制权转交步骤。
进一步地，以循序或并行的方式询问一个或多个具有TXOP的保存记录的STA包括：向所述一个或多个具有TXOP的保存记录的STA发送触发帧，触发上行OFDMA传输，以使所述一个或多个具有TXOP的保存记录的STA采用所述上行OFDMA传输反馈信息。
在本发明实施例中，通过向所述一个或多个具有TXOP的保存记录的STA发送触发帧，以使所述一个或多个具有TXOP的保存记录的STA采用所述上行OFDMA传输反馈信息，可以有效地提高传输反馈信息的效率。
在步骤S23中，根据所述反馈信息确定所述发送方。
参照图3，图3是图2中步骤S23的一种具体实施方式的流程图。根据所述反馈信息确定所述发送方的步骤可以包括步骤S31，或者可 以包括步骤S32，或者可以包括步骤S33，以下对各个步骤进行说明。
在步骤S31中，如果所述反馈信息指示有两个或两个以上需要采用所述TXOP进行数据传输的STA，则根据预设的优先级确定所述发送方为其中一个STA。
在本发明实施例中，通过以循序或并行的方式询问一个或多个具有TXOP的保存记录转交次数大于等于1的STA，进而根据STA反馈信息确定所述发送方并将所述TXOP的控制权转交至所述发送方，可以快速确定有数据传输需要且当下可使用总频宽达到要求的STA，从而有效地提高系统的数据传输效率。
在步骤S32中，如果所述反馈信息指示没有需要采用所述TXOP进行数据传输的STA，并且接入点自己具有能够采用所述TXOP传输的待发送数据，则确定所述发送方为接入点自己，并采用所述TXOP进行数据传输。
在本发明实施例中，如果所述反馈信息指示没有需要采用所述TXOP进行数据传输的STA，并且AP自己具有能够采用所述TXOP传输的待发送数据，则AP自己采用所述TXOP进行数据传输，从而可以避免浪费所述TXOP，进一步有效地提高系统的数据传输效率。
进一步地，所述的无线数据传输方法还可以包括：向所述一个或多个具有TXOP的保存记录的STA发送触发帧，触发上行正交频分多址(Orthogonal Frequency Division Multiple Access，OFDMA)传输，以使所述一个或多个具有TXOP的保存记录的STA采用所述上行OFDMA传输TXOP进行数据传输。
其中，所述一个或多个具有TXOP的保存记录的STA为转交次数大于等于1的STA。
具体地，可以通过设置AP发送触发帧并且上行传输OFDMA，引导STA进行数据传输的步骤，可以根据现有的触发帧以及上行传输OFDMA实现本发明实施例的方案，有助于提高适用性，并且提高 数据传输的效率。
在步骤S33中，如果所述反馈信息指示没有需要采用所述TXOP进行数据传输的STA，并且接入点自己没有能够采用所述TXOP传输的待发送数据，则确定释放所述TXOP。
在本发明实施例中，如果所述反馈信息指示没有需要采用所述TXOP进行数据传输的STA，并且自己没有能够采用所述TXOP传输的待发送数据，则AP自己释放所述TXOP，从而在确定没有适当的发送方的情况下，尽快释放该TXOP，避免影响系统的有需要的成员使用，也即有效地提高系统的数据传输效率。
需要指出的是，所述的无线数据传输方法还可以包括：向所述一个或多个具有TXOP的保存记录的STA发送触发帧，并且上行传输OFDMA，以使所述一个或多个具有TXOP的保存记录的STA采用所述TXOP进行数据传输。其中，所述一个或多个具有TXOP的保存记录的STA可以是反馈过不需要采用所述TXOP进行数据传输的STA，然而AP根据自己的判断引导该STA采用所述TXOP，有助于提高适用性，并且提高数据传输的效率。
在步骤S24中，如果所述发送方为所述STA中的一个，则将所述TXOP的控制权转交至所述发送方。
具体地，在步骤S23中，如果确定发送方为所述STA中的一个，则将所述TXOP的控制权转交至该STA；如果确定发送方为自己，则可以采用步骤S32或步骤S33中的方式执行，此处不再限制。
继续参照图1，在步骤S12的另一种具体实施方式中，所述AP还可以直接确定所述发送方为接入点自己，并采用所述TXOP进行数据传输。
具体地，所述AP一旦从STA接收TXOP的控制权，便直接确定所述发送方为自己，并采用所述TXOP进行数据传输，相比于现有技术中只能由取得控制权的STA决定是否进行数据传输，AP完全没 有机会进行判断以及传输，采用本发明实施例的方案，可以提高AP进行数据传输的机会，从而有效地提高系统的数据传输效率。
在本发明实施例中，通过设置STA在自己的可用总带宽小于参考总带宽时转交TXOP控制权，可以由AP确定发送方，由于AP为无线网络的创建者，具有网络的中心节点的地位，可以实现将TXOP的控制权分配给有需要的发送方，相比于现有技术中只能由取得控制权的STA决定是否进行数据传输，且在当下存在干扰的情况下只能选择较小的频宽进行数据传输，或是不进行数据传输的情况下只能释放TXOP，采用本发明实施例的方案，可以有机会通过AP的判断，确定更适当的发送方，可以让STA能够在获得传输机会不受影响的情况下，有更多的机会使用较大的频宽进行数据传输，从而可以有效地提高系统的数据传输效率。
需要指出的是，本发明实施例中还公开了一种无线数据传输方法，适用于STA，包括以下步骤：经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽；转交所述TXOP的控制权至接入点，以使所述接入点确定发送方，所述发送方采用所述TXOP进行数据传输。
进一步地，所述无线数据传输方法还包括：接收所述接入点以循序或并行的方式进行的询问，所述询问用于确定各个具有TXOP的保存记录的STA是否需要采用所述TXOP进行数据传输，其中，所述具有TXOP的保存记录的STA的转交次数≥1；向所述接入点发送反馈信息，以使所述接入点根据所述反馈信息确定所述发送方；如果所述发送方为STA自己，则接收所述TXOP的控制权，所述STA的转交次数减1。
进一步地，接收所述接入点以循序或并行的方式进行的询问包括：从所述接入点接收触发帧，所述触发帧用于触发上行OFDMA传输；采用所述上行OFDMA传输反馈信息。
进一步地，所述的无线数据传输方法还包括：从所述接入点接收 触发帧，所述触发帧用于触发上行OFDMA传输；采用所述上行OFDMA传输TXOP进行数据传输。
在本发明实施例中，通过设置STA在自己的可用总带宽小于参考总带宽时转交TXOP控制权，可以由AP确定发送方，由于AP为无线网络的创建者，具有网络的中心节点的地位，可以实现将TXOP的控制权分配给有需要的发送方，相比于现有技术中只能由取得控制权的STA决定是否进行数据传输，且在当下存在干扰的情况下只能选择较小的频宽进行数据传输，或是不进行数据传输的情况下只能释放TXOP，采用本发明实施例的方案，可以有机会通过AP的判断，确定更适当的发送方，可以让STA能够在获得传输机会不受影响的情况下，有更多的机会使用较大的频宽进行数据传输，从而可以有效地提高系统的数据传输效率。
更多内容请参照前文及图1至图3示出的关于无线数据传输方法的相关描述，此处不再赘述。
参照图4，图4是本发明实施例中一种无线数据传输装置的结构示意图。所述无线数据传输装置可以包括：
控制权接收模块41，适于从STA接收TXOP的控制权，所述TXOP的控制权是所述STA经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽时转交的；
发送方确定模块42，适于确定发送方，所述发送方采用所述TXOP进行数据传输。
关于该无线数据传输装置的原理、具体实现和有益效果请参照前文及图1至图4示出的关于无线数据传输方法的相关描述，此处不再赘述。
在本发明实施例中，还公开了一种无线数据传输装置，适用于STA，包括：TXOP获得模块，适于经由TXOP竞争获得TXOP后，确定接入点自己的可用总带宽小于参考总带宽；控制权转交模块，适 于转交所述TXOP的控制权至接入点，以使所述接入点确定发送方，所述发送方采用所述TXOP进行数据传输。
关于该无线数据传输装置的原理、具体实现和有益效果请参照前文及图1至图4示出的关于无线数据传输方法的相关描述，此处不再赘述。
需要指出的是，本方明技术方案可适用于5G(5Generation)通信系统，还可适用于4G、3G通信系统，还可适用于未来新的各种通信系统，例如6G、7G等。
本发明实施例还提供了一种存储介质，其上存储有计算机指令，所述计算机指令运行时执行上述无线数据传输方法的步骤。所述存储介质可以是计算机可读存储介质，例如可以包括非挥发性存储器(non-volatile)或者非瞬态(non-transitory)存储器，还可以包括光盘、机械硬盘、固态硬盘等。
具体地，在本发明实施例中，所述处理器可以为中央处理单元(central processing unit，简称CPU)，该处理器还可以是其他通用处理器、数字信号处理器(digital signal processor，简称DSP)、专用集成电路(application specific integrated circuit，简称ASIC)、现成可编程门阵列(field programmable gate array，简称FPGA)或者其他可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件等。通用处理器可以是微处理器或者该处理器也可以是任何常规的处理器等。
还应理解，本申请实施例中的存储器可以是易失性存储器或非易失性存储器，或可包括易失性和非易失性存储器两者。其中，非易失性存储器可以是只读存储器(read-only memory，简称ROM)、可编程只读存储器(programmable ROM，简称PROM)、可擦除可编程只读存储器(erasable PROM，简称EPROM)、电可擦除可编程只读存储器(electrically EPROM，简称EEPROM)或闪存。易失性存储器可以是随机存取存储器(random access memory，简称RAM)，其用作外部高速缓存。通过示例性但不是限制性说明，许多形式的随机存 取存储器(random access memory，简称RAM)可用，例如静态随机存取存储器(static RAM，简称SRAM)、动态随机存取存储器(DRAM)、同步动态随机存取存储器(synchronous DRAM，简称SDRAM)、双倍数据速率同步动态随机存取存储器(double data rate SDRAM，简称DDR SDRAM)、增强型同步动态随机存取存储器(enhanced SDRAM，简称ESDRAM)、同步连接动态随机存取存储器(synchlink DRAM，简称SLDRAM)和直接内存总线随机存取存储器(direct rambus RAM，简称DR RAM)。
本发明实施例还提供了一种AP，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机指令，所述处理器运行所述计算机指令时执行上述无线数据传输方法的步骤。
本发明实施例还提供了一种STA，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机指令，所述处理器运行所述计算机指令时执行上述无线数据传输方法的步骤。
虽然本发明披露如上，但本发明并非限定于此。任何本领域技术人员，在不脱离本发明的精神和范围内，均可作各种更动与修改，因此本发明的保护范围应当以权利要求所限定的范围为准。

Claims (18)

  1. 一种无线数据传输方法，其特征在于，适用于接入点，包括以下步骤：
    从STA接收TXOP的控制权，所述TXOP的控制权是所述STA经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽时转交的；
    确定发送方，所述发送方采用所述TXOP进行数据传输。
  2. 根据权利要求1所述的无线数据传输方法，其特征在于，还包括：如果所述STA已具有TXOP的保存记录，则记录所述STA的转交次数加1；
    如果所述STA尚未具有TXOP的保存记录，则记录所述STA的转交次数为1。
  3. 根据权利要求1所述的无线数据传输方法，其特征在于，所述确定发送方包括：
    以循序或并行的方式询问一个或多个具有TXOP的保存记录的STA，以确定各个具有TXOP的保存记录的STA是否需要采用所述TXOP进行数据传输，其中，所述具有TXOP的保存记录的STA的转交次数≥1；
    从所述一个或多个具有TXOP的保存记录的STA接收反馈信息；根据所述反馈信息确定所述发送方；
    如果所述发送方为所述STA中的一个，则将所述TXOP的控制权转交至所述发送方，且接收所述控制权的STA的转交次数减1。
  4. 根据权利要求3所述的无线数据传输方法，其特征在于，以循序或并行的方式询问一个或多个具有TXOP的保存记录的STA包括：
    向所述一个或多个具有TXOP的保存记录的STA发送触发帧，触发上行OFDMA传输，以使所述一个或多个具有TXOP的保存记录的STA采用所述上行OFDMA传输反馈信息。
  5. 根据权利要求3所述的无线数据传输方法，其特征在于，根据所述反馈信息确定所述发送方包括：
    如果所述反馈信息指示有两个或两个以上需要采用所述TXOP进行数据传输的STA，则根据预设的优先级确定所述发送方为其中一个STA。
  6. 根据权利要求5所述的无线数据传输方法，其特征在于，还包括：向所述一个或多个具有TXOP的保存记录的STA发送触发帧，触发上行OFDMA传输，以使所述一个或多个具有TXOP的保存记录的STA采用所述上行OFDMA传输TXOP进行数据传输。
  7. 根据权利要求3所述的无线数据传输方法，其特征在于，根据所述反馈信息确定所述发送方包括：
    如果所述反馈信息指示没有需要采用所述TXOP进行数据传输的STA，并且接入点自己具有能够采用所述TXOP传输的待发送数据，则确定所述发送方为接入点自己，并采用所述TXOP进行数据传输。
  8. 根据权利要求3所述的无线数据传输方法，其特征在于，根据所述反馈信息确定所述发送方包括：
    如果所述反馈信息指示没有需要采用所述TXOP进行数据传输的STA，并且接入点自己没有能够采用所述TXOP传输的待发送数据，则确定释放所述TXOP。
  9. 根据权利要求1所述的无线数据传输方法，其特征在于，所述确定发送方包括：
    确定所述发送方为接入点自己，并采用所述TXOP进行数据传输。
  10. 一种无线数据传输方法，适用于STA，其特征在于，包括以下步骤：
    经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽；
    转交所述TXOP的控制权至接入点，以使所述接入点确定发送方，所述发送方采用所述TXOP进行数据传输。
  11. 根据权利要求10所述的无线数据传输方法，其特征在于，
    所述无线数据传输方法还包括：
    接收所述接入点以循序或并行的方式进行的询问，所述询问用于确定各个具有TXOP的保存记录的STA是否需要采用所述TXOP进行数据传输，其中，所述具有TXOP的保存记录的STA的转交次数≥1；
    向所述接入点发送反馈信息，以使所述接入点根据所述反馈信息确定所述发送方；
    如果所述发送方为STA自己，则接收所述TXOP的控制权，所述STA的转交次数减1。
  12. 根据权利要求11所述的无线数据传输方法，其特征在于，接收所述接入点以循序或并行的方式进行的询问包括：
    从所述接入点接收触发帧，所述触发帧用于触发上行OFDMA传输；
    采用所述上行OFDMA传输反馈信息。
  13. 根据权利要求11所述的无线数据传输方法，其特征在于，还包括：
    从所述接入点接收触发帧，所述触发帧用于触发上行OFDMA传输；
    采用所述上行OFDMA传输TXOP进行数据传输。
  14. 一种无线数据传输装置，适用于接入点，其特征在于，包括：
    控制权接收模块，适于从STA接收TXOP的控制权，所述TXOP的控制权是所述STA经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽时转交的；
    发送方确定模块，适于确定发送方，所述发送方采用所述TXOP进行数据传输。
  15. 一种无线数据传输装置，适用于STA，其特征在于，包括：
    TXOP获得模块，适于经由TXOP竞争获得TXOP后，确定STA自己的可用总带宽小于参考总带宽；
    控制权转交模块，适于转交所述TXOP的控制权至接入点，以使所述接入点确定发送方，所述发送方采用所述TXOP进行数据传输。
  16. 一种存储介质，其上存储有计算机指令，其特征在于，所述计算机指令运行时执行权利要求1至9任一项所述无线数据传输方法的步骤或者执行权利要求10至13任一项所述无线数据传输方法的步骤。
  17. 一种AP，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机指令，其特征在于，所述处理器运行所述计算机指令时执行权利要求1至9任一项所述无线数据传输方法的步骤。
  18. 一种STA，包括存储器和处理器，所述存储器上存储有能够在所述处理器上运行的计算机指令，其特征在于，所述处理器运行所述计算机指令时执行权利要求10至13任一项所述无线数据传输方法的步骤。
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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012041119A1 (zh) * 2010-09-30 2012-04-05 中兴通讯股份有限公司 一种无线网络中的信道数据传输方法及系统
WO2016127913A1 (en) * 2015-02-09 2016-08-18 Huawei Technologies Co., Ltd. System and method for transmitting data in a wireless lan multi-user transmission opportunity
CN106922035A (zh) * 2015-12-28 2017-07-04 华为技术有限公司 一种传输机会控制方法及装置
CN109587052A (zh) * 2019-01-30 2019-04-05 展讯通信（上海）有限公司 一种多链路数据传输方法及装置
CN109803283A (zh) * 2017-11-16 2019-05-24 展讯通信（上海）有限公司 一种无线通信方法以及通信设备
CN111314966A (zh) * 2020-02-20 2020-06-19 展讯通信（上海）有限公司 无线数据传输方法及装置、存储介质、ap、sta

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101741713B (zh) * 2008-11-14 2012-01-04 北京邮电大学 一种无线局域网上行带宽动态分配方法
US10091813B2 (en) * 2014-12-02 2018-10-02 Mediatek Inc. STA initiated uplink aggregation in wireless communication systems
EP3340723B1 (en) * 2015-08-21 2020-10-07 Nippon Telegraph And Telephone Corporation Wireless communication system and wireless communication method
CN108924945B (zh) * 2015-12-25 2019-08-06 华为技术有限公司 一种接入方法及装置

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012041119A1 (zh) * 2010-09-30 2012-04-05 中兴通讯股份有限公司 一种无线网络中的信道数据传输方法及系统
WO2016127913A1 (en) * 2015-02-09 2016-08-18 Huawei Technologies Co., Ltd. System and method for transmitting data in a wireless lan multi-user transmission opportunity
CN106922035A (zh) * 2015-12-28 2017-07-04 华为技术有限公司 一种传输机会控制方法及装置
CN109803283A (zh) * 2017-11-16 2019-05-24 展讯通信（上海）有限公司 一种无线通信方法以及通信设备
CN109587052A (zh) * 2019-01-30 2019-04-05 展讯通信（上海）有限公司 一种多链路数据传输方法及装置
CN111314966A (zh) * 2020-02-20 2020-06-19 展讯通信（上海）有限公司 无线数据传输方法及装置、存储介质、ap、sta

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