WO2018196535A1 - 一种网络接入的方法和装置、存储介质 - Google Patents
一种网络接入的方法和装置、存储介质 Download PDFInfo
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- WO2018196535A1 WO2018196535A1 PCT/CN2018/080735 CN2018080735W WO2018196535A1 WO 2018196535 A1 WO2018196535 A1 WO 2018196535A1 CN 2018080735 W CN2018080735 W CN 2018080735W WO 2018196535 A1 WO2018196535 A1 WO 2018196535A1
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- random access
- access
- radio frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Definitions
- the accessing module performs a random access operation with the first access point, including: performing, according to the number of resource units carried by the first radio frame, a frequency division multiple access access backoff OBO counter. Decrement, when the OBO counter is decremented to zero and the detection condition is met, one resource unit is selected to transmit data from the resource units carried by the first radio frame.
- the access module when the device is an unassociated site, performs a random access operation only with the first access point during the random access operation, until the random access is completed.
- the access module is further configured to perform a random access operation according to parameters carried by the third radio frame.
- a device for network access comprising a memory and a processor, wherein
- a storage medium storing computer executable instructions that, when executed, implement the method of network access as described in any of the above aspects.
- the present application provides a method and apparatus for network access, which can reduce network collisions and improve transmission efficiency.
- FIG. 2 is a schematic diagram of a random access operation of an associated site in the case of Multiple BSSID according to an embodiment of the present application;
- FIG. 5 is a schematic diagram of a random access operation of two access points that do not support multiple BSSIDs in an unassociated site according to an embodiment of the present application;
- FIG. 6 is a schematic diagram of a random access operation in which an unassociated station has two access points in the vicinity of the embodiment of the present application, and one of the multiple BSSIDs is supported;
- Step 11 The station receives a first radio frame of the first access point, where the first radio frame indicates a resource unit used for a random access operation.
- the AP uses three BSSIDs to establish three BSSs (BSS1, BSS2, BSS3), which form a basic service set set.
- the AP broadcasts information such as the BSSID, SSID, and the like corresponding to the three BSSs in the beacon frame or the probe response frame, and the AP also notifies the above n value.
- STA1 is associated with BSS1
- STA2 is associated with STA3 and BSS2
- STA4 is associated with BSS3. as shown in picture 2.
- the AP sends a trigger frame.
- the sending address carries the public identifier and five resource units are scheduled for random access.
- the STA2 and the STA3 After receiving the trigger frame, the STA2 and the STA3 determine that the address carried by the trigger frame is a public identifier of the associated AP, and may perform a random access operation.
- the current value of the OBO counter is 7 and 6, respectively, which is greater than the number of resource units used for random access in the trigger frame scheduling.
- the OBO counters of STA2 and STA3 are reduced to 2 and 1, respectively. Since the OBO counter is not reduced to 0, STA2 and STA3 Random access cannot be performed using the resource unit scheduled by the trigger frame.
- the STA4 After receiving the trigger frame, the STA4 determines that the address carried by the trigger frame is a public identifier of the associated AP, and performs a random access operation.
- the current value of the OBO counter is 5, which is equal to the number of resource units used for random access in the trigger frame scheduling.
- the OBO counter of STA4 is reduced to 0. STA4 randomly selects one of the 5 random access resource units currently scheduled, and satisfies other In case of conditions, the transmission is performed.
- the STA1 and the STA4 receive the triggering frame, and determine that the address carried by the triggering frame is not the public identifier of the associated AP or the identifier of the associated BSS, and the station cannot use the resource unit scheduled by the triggering frame to perform random access.
- STA2 and STA3 receive the trigger frame, and determine that the address carried by the trigger frame is the address of the BSS associated with itself (that is, a proprietary identifier), and the random access operation can be performed.
- the OBO counters of STA2 and STA3 are 2 and 1, respectively, which are smaller than the number of resource units for random access scheduled by the trigger frame.
- the OBO counters of STA2 and STA3 are respectively reduced to 0. STA2 and STA3 randomly select one of the four random access resource units currently scheduled, and transmit them if other conditions are met.
- STA1, STA2, STA3, and STA4 receive the triggering frame of the other AP.
- the triggering frame contains the random access resource unit for the associated site
- the address carried by the sending address in the triggering frame is not the public identifier of the associated AP.
- STA1 cannot perform random access operations.
- the BSSID indicated by the transmission address in the beacon frame carrying the above information or the search response frame is referred to as a transmitted BSSID, and the other BSSID is referred to as a non-transmitted BSSID, and the public identity is here a transmission BSSID.
- the AP sends a trigger frame, and the trigger frame indicates that one or more resource units are used for random access of unassociated sites.
- the sending address of the trigger frame is set to the BSSID of the BSS2 (ie, BSSID2) for triggering random access of the station that wants to associate with the BSS2.
- STA1 learns the random access parameters supported by the AP through active scanning or passive scanning.
- An Frequency Division Multiple Access (OFDMA) contention window is set according to the random access parameters supported by the AP, and an OBO counter is initialized.
- OFDMA Frequency Division Multiple Access
- the AP sends a trigger frame, and the sending address of the trigger frame is set to a public identifier (the public identifier here is a transmission BSSID), and three resource units are indicated in the trigger frame for random connection of unassociated sites.
- the public identifier here is a transmission BSSID
- the STA1 After receiving the trigger frame, the STA1 finds that the sending address of the triggering frame is set to be the same as the public identifier of the AP that you want to associate with, and the STA1 is instructed according to the triggering frame.
- the resource unit for random access of the unassociated site performs a random access operation.
- STA1 discovers that the AP1 and AP2 do not support the Multiple BSSID capability through the beacon frame or the discovery response frame sent by AP1 or AP2.
- the public identifiers of the two APs are all empty, and the private identifier is the MAC address of the AP.
- AP1 sends a trigger frame, sets the sending address of the trigger frame to the MAC address of AP1, and indicates in the trigger frame that several resource units are used for random access of unassociated sites.
- AP1 sends a trigger frame, sets the sending address of the trigger frame to the MAC address of AP1, and indicates four resource units in the trigger frame for random access of unassociated sites.
- STA1 After receiving the trigger frame, STA1 finds that the address carried by the trigger frame carries the same address as the MAC address of the AP to be communicated, and the OBO counter of STA1 is set to 0 (the current value of OBO counter is less than that indicated in the trigger frame).
- the number of resource units of the random access operation of the unassociated site is 4), and STA1 randomly selects one of the four random access resource units currently scheduled, and transmits if the other conditions are met.
- the STA1 may terminate the AP1-based random access operation.
- the frequency division multiple access (OFDMA) contention window is set according to the random access parameter of the AP2, and the OBO counter is initialized, and the random access operation is performed based on the AP2.
- OFDMA frequency division multiple access
- FIG. 4 is a schematic diagram of two access points (AP1 and AP2) surrounding an unassociated station STA1 according to an embodiment of the present application.
- STA1 wants to communicate with the two access points before the association, such as understanding the services supported by the two access points (printing, video downloading, etc.), STA1 positioning, association, and so on.
- the BSSID indicated by the transmission address in the beacon frame or the search response frame carrying the above information is referred to as a transmission BSSID, and the other BSSID is referred to as a non-transmission BSSID.
- AP1 sets BSSID1 to the transport BSSID, which is the public identity.
- AP1 sends a trigger frame, sets the sending address of the trigger frame to BSSID1, and indicates in the trigger frame that several resource units are used for random access of unassociated sites.
- STA1 Before performing the above operations, STA1 needs to know the random access parameters of AP1 and AP2.
- AP1 sends a trigger frame, sets the sending address of the trigger frame to the public identifier of AP1, and indicates three resource units in the trigger frame for random access of unassociated sites.
- STA1 After receiving the trigger frame, STA1 finds that the address carried by the trigger frame carries the same address as the public identity of the AP that wants to communicate with the STA. STA1 sets the frequency division multiple access (OFDMA) contention window according to the parameters of AP1, and initializes it. OBO counter with an initial value of 6. Here, STA1 sets the contention window and initializes the OBO counter value. It may be after receiving the trigger frame of AP1 or before receiving the trigger frame of AP1.
- OFDMA frequency division multiple access
- STA1 After STA1 receives the trigger frame of AP1, STA1 finds that the trigger frame carries three resource units, and the OBO counter of STA1 is set to 3 (current value 6 - number of resource units for random access of unassociated stations 3).
- the OBO counter finds that one is decremented by one according to the resource unit used for random access of the unassociated site, or finds the total number of resource units used for random access of the unassociated site, and is reduced together, and the specific operation is not limited.
- AP1 sends a trigger frame, sets the sending address of the trigger frame to BSSID2 (Proprietary Identity), and indicates 4 resource units in the trigger frame for random access of unassociated sites.
- BSSID2 Primary Identity
- STA1 After receiving the trigger frame, STA1 finds that the address carried by the trigger frame carries the same address as the communication specific identifier, and the OBO counter of STA1 is set to 0 (the current value of OBO counter is less than that indicated in the trigger frame).
- the number of resource units of the random access operation of the unassociated station is 4), and STA1 randomly selects one of the currently scheduled four random access resource units, and transmits if the other conditions are met.
- the access module is configured to perform a random access operation when the sending address of the first radio frame is a public identifier or a dedicated identifier.
- the receiving module is further configured to receive a second radio frame sent by the first access point, where the second radio frame carries a basic service set set supported by the second access point. Information and/or random access parameters, the information of the basic service set set including the public identity and the proprietary identity.
- the apparatus further includes:
- the site When the site is an unassociated site, the site performs a random access operation only with the first access point in the process of performing a random access operation until the random access is completed (success or failure), not with the second The access point performs a random access operation.
- the public identifier includes: a transport basic service set identifier of the basic service set set, or a medium access control address of the first access point, or a medium of the first access point The value obtained by the operation of the access control address.
- the private identifier is an identifier of a basic service set associated with the device in the basic service set set; and the public identifier is a basic service that all stations in the basic service set set can communicate Set of logos.
- the access module performs a random access operation, including: decrementing the frequency division multiple access backoff OBO counter according to the number of resource units carried by the first radio frame, when the OBO When the counter is decremented to zero and the detection condition is met, one resource unit is selected to transmit data from the resource units carried by the first radio frame.
- the apparatus further includes:
- the processor is configured to execute an instruction stored by the memory.
- Embodiments of the present application also provide a computer readable storage medium storing computer executable instructions, the method of implementing the network access when the computer executable instructions are executed.
- a first radio frame of a first access point is received by a station, where the first radio frame indicates a resource unit used for a random access operation; and when a sending address of the first radio frame is a public identifier Or a proprietary identity, the site performs a random access operation. It can reduce network collisions and improve transmission efficiency.
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Abstract
Description
Claims (20)
- 一种网络接入的方法,包括:站点接收第一接入点的第一无线帧,所述第一无线帧指示用于随机接入操作的资源单位;当所述第一无线帧的发送地址是公共标识或专有标识时,所述站点进行随机接入操作。
- 如权利要求1所述的方法,其中:所述站点接收第一无线帧之前,还包括:接收到所述第一接入点发送的第二无线帧,所述第二无线帧携带所述第一接入点支持的基本服务集集合的信息和/或随机接入的参数,所述基本服务集集合的信息包括所述公共标识和所述专有标识。
- 如权利要求2所述的方法,其中:所述站点接收到所述第一接入点发送的第二无线帧后,还包括:根据所述第二无线帧携带的随机接入参数设置竞争窗参数,对频分多址接入退避OBO计数器进行初始化。
- 如权利要求2所述的方法,其中:当所述站点是未关联站点时,所述专有标识为所述基本服务集集合中所述站点待通信的基本服务集的标识;或者,当所述站点是未关联站点时,所述公共标识为所述基本服务集集合中所有站点均能通信的基本服务集的标识。
- 如权利要求2所述的方法,其中:所述公共标识包括:所述基本服务集集合的传输基本服务集标识、或所述第一接入点的介质接入控制地址、或所述第一接入点的介质接入控制地址经过运算获得的值。
- 如权利要求2所述的方法,其中:所述专有标识是所述基本服务集集合中所述站点关联的基本服务集的标识;或者,所述公共标识为所述基本服务集集合中所有站点均能通信的基本服务集的标识。
- 如权利要求1-6任一项所述的方法,其中:所述站点与所述第一接入点进行随机接入操作,包括:所述站点根据所述第一无线帧携带的资源单位的数目对频分多址接入退避OBO计数器进行递减,当所述OBO计数器递减为零并满足检测条件时,从所述第一无线帧携带的资源单位中选择一个资源单位发送数据。
- 如权利要求1-5任一项所述的方法,其中:当所述站点是未关联站点时,所述站点在进行随机接入操作的过程中,仅与第一接入点进行随机接入操作,直到随机接入完成。
- 如权利要求1-5任一项所述的方法,其中:所述站点与所述第一接入点进行随机接入操作的过程中,还包括:所述站点接收到第二接入点的第三无线帧,根据所述第二接入点通知的随机接入参数重设竞争窗参数,重新初始化化频分多址接入退避OBO计数器,根据所述第三无线帧携带的参数进行随机接入操作。
- 一种网络接入的装置,包括:接收模块,用于接收到第一接入点的第一无线帧,所述第一无线帧指示用于随机接入操作的资源单位;接入模块,用于当所述第一无线帧的发送地址是公共标识或专有标识时,进行随机接入操作。
- 如权利要求10所述的装置,其中:所述接收模块,还用于接收到所述第一接入点发送的第二无线帧, 所述第二无线帧携带所述第一接入点支持的基本服务集集合的信息和/或随机接入的参数,所述基本服务集集合的信息包括所述公共标识和所述专有标识。
- 如权利要求11所述的装置,其中:所述装置还包括:初始化模块,用于根据所述第二无线帧携带的随机接入参数设置竞争窗参数,对频分多址接入退避OBO计数器进行初始化。
- 如权利要求11所述的装置,其中:当所述装置是未关联站点时,所述专有标识为所述基本服务集集合中所述装置待通信的基本服务集的标识;或者,当所述装置是未关联站点时,所述公共标识为所述基本服务集集合中所有站点均能通信的基本服务集的标识。
- 如权利要求11所述的装置,其中:所述公共标识包括:所述基本服务集集合的传输基本服务集标识、或所述第一接入点的介质接入控制地址、或所述第一接入点的介质接入控制地址经过运算获得的值。
- 如权利要求11所述的装置,其中:所述专有标识是所述基本服务集集合中所述装置关联的基本服务集的标识;或者,所述公共标识为所述基本服务集集合中所有站点均能通信的基本服务集的标识。
- 如权利要求10-15任一项所述的装置,其中:所述接入模块,与所述第一接入点进行随机接入操作,包括:根据所述第一无线帧携带的资源单位的数目对频分多址接入退避OBO计数器进行递减,当所述OBO计数器递减为零并满足检测条件时,从所述第一无线帧携带的资源单位中选择一个资源单位发送数据。
- 如权利要求10-14任一项所述的装置,其中:所述接入模块,当所述装置是未关联站点时,在进行随机接入操作的过程中,仅与第一接入点进行随机接入操作,直到随机接入完成。
- 如权利要求10-14任一项所述的装置,其中:所述装置还包括:所述初始化模块,接收到第二接入点的第三无线帧,根据所述第二接入点通知的随机接入的参数重设竞争窗参数,重新初始化频分多址接入退避OBO计数器;所述接入模块,还用于根据所述第三无线帧携带的参数进行随机接入操作。
- 一种网络接入的装置,包括存储器和处理器;所述存储器,存储有以下指令:接收第一接入点的第一无线帧,所述第一无线帧指示用于随机接入操作的资源单位;当所述第一无线帧的发送地址是公共标识或专有标识时,进行随机接入操作;所述处理器,用于执行所述存储器存储的指令。
- 一种存储介质,存储有计算机可执行指令,所述计算机可执行指令被执行时实现上述权利要求1-9任意一项所述的网络接入的方法。
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| EP18791309.0A EP3618559B1 (en) | 2017-04-28 | 2018-03-27 | Network access method and apparatus and storage medium |
| US16/609,083 US11109419B2 (en) | 2017-04-28 | 2018-03-27 | Network access method and apparatus and storage medium |
| JP2019558593A JP6998398B2 (ja) | 2017-04-28 | 2018-03-27 | ネットワークアクセス方法および装置、記憶媒体 |
| ES18791309T ES3060529T3 (en) | 2017-04-28 | 2018-03-27 | Network access method and apparatus and storage medium |
| US17/459,759 US11706818B2 (en) | 2017-04-28 | 2021-08-27 | Network access method and apparatus and storage medium |
| JP2021205890A JP7248771B2 (ja) | 2017-04-28 | 2021-12-20 | ネットワークアクセス方法および装置、記憶媒体 |
| JP2023041818A JP7675757B2 (ja) | 2017-04-28 | 2023-03-16 | ネットワークアクセス方法および装置、記憶媒体 |
| US18/127,640 US11974329B2 (en) | 2017-04-28 | 2023-03-28 | Network access method and apparatus and storage medium |
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| CN201710296171.7A CN108811169B (zh) | 2017-04-28 | 2017-04-28 | 一种网络接入的方法和装置 |
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| US17/459,759 Continuation US11706818B2 (en) | 2017-04-28 | 2021-08-27 | Network access method and apparatus and storage medium |
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| CN112469136A (zh) * | 2019-09-06 | 2021-03-09 | 华为技术有限公司 | 一种上行正交频分多址随机接入的方法和装置 |
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| CN110730515A (zh) * | 2019-10-24 | 2020-01-24 | 普联技术有限公司 | 一种接入方法、装置、站点及存储介质 |
| WO2023279340A1 (zh) * | 2021-07-08 | 2023-01-12 | Oppo广东移动通信有限公司 | 无线通信的方法、站点设备和接入点设备 |
| US20250240705A1 (en) * | 2021-10-09 | 2025-07-24 | Beijing Xiaomi Mobile Software Co., Ltd. | Communication method and apparatus, and electronic device and storage medium |
| US12376136B2 (en) * | 2022-12-31 | 2025-07-29 | Fortinet, Inc. | Bandwidth selection in Wi-Fi 7 access points |
| US12532339B2 (en) | 2022-12-31 | 2026-01-20 | Fortinet, Inc. | Allocation of multi resource units to Wi-Fi stations |
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| JP2020518204A (ja) | 2020-06-18 |
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| US11706818B2 (en) | 2023-07-18 |
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| ES3060529T3 (en) | 2026-03-26 |
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