WO2016206481A1 - 竞争传输方法及装置 - Google Patents

竞争传输方法及装置 Download PDF

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Publication number
WO2016206481A1
WO2016206481A1 PCT/CN2016/081321 CN2016081321W WO2016206481A1 WO 2016206481 A1 WO2016206481 A1 WO 2016206481A1 CN 2016081321 W CN2016081321 W CN 2016081321W WO 2016206481 A1 WO2016206481 A1 WO 2016206481A1
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Prior art keywords
access
data
sent
trigger
station
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PCT/CN2016/081321
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English (en)
French (fr)
Inventor
李楠
吕开颖
孙波
邢卫民
韩志强
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中兴通讯股份有限公司
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Publication of WO2016206481A1 publication Critical patent/WO2016206481A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/04—Scheduled access
    • H04W74/06—Scheduled access using polling
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/001—Synchronization between nodes
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
    • H04W56/005—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by adjustment in the receiver
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/30—Resource management for broadcast services

Definitions

  • This document relates to, but is not limited to, the field of communications, and in particular to a competitive transmission method and apparatus.
  • Multi-user parallel transmission has emerged as an alternative technology for solving network efficiency, which has attracted extensive attention and research.
  • multi-user parallel transmission technologies include MU-MIMO (multi-user MIMO) technology (space domain multiple access), OFDMA technology (frequency domain multiple access), and the like.
  • an access point (AP) and a plurality of non-AP stations (non-AP STAs) associated with the AP form a basic service set (basic service).
  • BSS basic service set
  • the multi-user parallel transmission in the WLAN is generally that multiple non-AP STAs simultaneously send data to the AP.
  • this is an uplink multi-user (UL MU) transmission, or the AP simultaneously gives multiple non- The AP STA sends data, which is called downlink multi-user (DL MU) transmission.
  • DL MU downlink multi-user
  • the typical uplink and downlink multi-user transmission frame exchange sequence is shown in Figure 2.
  • the UL MU transmission needs to be triggered by the AP.
  • the AP may send a trigger frame to trigger, or the AP may trigger in a manner that the radio frame carries the radio frame carrying the trigger information field.
  • the trigger frame or the radio frame carrying the trigger information field carries the scheduling information of the station, such as the identification information of the station, the time and frequency resource information used by the station for uplink transmission, and the time-frequency offset calibration information of the station.
  • the station receives the trigger frame or the radio frame carrying the trigger information field. If the identity information is carried in the station, it indicates that it is scheduled to be in the current UL MU transmission. If the data is to be sent by itself, it is prepared, and synchronized according to the time-frequency offset calibration information indicated by the AP, and transmitted on the allocated time and frequency resources.
  • the mode is divided into contention transmission and non-contention transmission.
  • the competition transmission mechanism is EDCA (enhanced distributed channel access), that is, the service flow data has priority attributes, and each data packet is mapped to 4 ACs (Access Category) according to the priority.
  • the queue is queued for transmission.
  • Each AC has a set of contention parameters.
  • the contention parameters include the interframe space (AIFS), the maximum duration of the channel transmission opportunity, the maximum value of the contention window CWmax (Contention Window), and the minimum value CWmin.
  • Different ACs have different competition parameters, which reflects the priority of the AC.
  • the competition process is: for each AC, the station sets the initial value of the CW window to CWmin, and randomly selects an integer in [0, CWmin], and sets it back with this value.
  • Backoff timer The station monitors the channel. When the channel is idle to meet the interval of the AIFS of the AC, the station performs random backoff. Whenever a time slot is idle, the Backoff timer is decremented by one. When the Backoff timer is reduced to 0, the AC obtains the transmission opportunity. And send the data. When the transmission collides, the CW is increased exponentially, and the final value does not exceed CWmax. When the transmission is successful, the CW value is reset to CWmin.
  • the control frame and the management frame are not data frames, and it is often dictated in the related art that the control frame and the management frame are transmitted using a specific AC.
  • the trigger frame may be sent in a manner of a predetermined transmission time, or may be sent in a contention manner.
  • the site may report the length of the cache queue of each AC, and the AP side obtains the cache data length of the AC queue at the site side.
  • the uplink AC queue also participates in the competition on the AP side. If the uplink AC is successfully contending, the trigger frame of the AC queue is sent to trigger the UL MU transmission.
  • the station performs the UL MU transmission according to the indication of the trigger frame.
  • the CW value of the uplink AC queue on the site side and the AP side and the Backoff timer should be handled.
  • the related technology does not provide a solution. .
  • the CW value of the uplink AC queue on the site side and the AP side and how the Backoff timer should be handled have not yet provided an effective solution.
  • the embodiment of the invention provides a contention transmission method and device, which ensures that the competition parameters of the same queue of the site on the access point side and the non-access point side can be kept synchronized, and the busy state of the channel is displayed.
  • a method for competing transmission includes: an access station transmitting a trigger frame or a radio frame carrying a trigger information field to one or more non-access stations, and triggering the one or more non-access stations to perform uplink multi-user transmission; After receiving the data sent by one or more non-access stations, the access station resets the contention window of the access category to an initial value.
  • the access category includes that the access station sends when the one or more non-access stations specified in the trigger frame or the radio frame carrying the trigger information field perform uplink multi-user transmission.
  • the access category of the data includes that the access station sends when the one or more non-access stations specified in the trigger frame or the radio frame carrying the trigger information field perform uplink multi-user transmission.
  • the method further includes: after the access station receives the data, the access station adjusts a cache queue length parameter of an access category corresponding to the data.
  • the access station when the data includes a buffer queue length parameter of one or more access categories of the one or more non-access stations, the access station is configured according to the one or more accesses
  • the Cache Queue Length parameter of the class adjusts the Cache Queue Length parameter of one or more access categories of the access site.
  • the trigger frame or the radio frame carrying the trigger information field includes: indication information indicating that the one or more non-access stations send data of a service flow that is sent in a non-contention manner.
  • another contention transmission method including: a non-access station receiving a trigger frame sent by an access station or a radio frame carrying a trigger information field;
  • the trigger frame or the radio frame carrying the trigger information field sends data to the access station; after receiving the response message of the access station, the non-access station accesses the data correspondingly
  • the contention window of the category is reset to an initial value; the non-access site clears the backoff timer of the access category corresponding to the data.
  • the non-access station sends data to the access station according to the trigger frame or the radio frame carrying the trigger information field, including: the trigger frame or the wireless carrying the trigger information field
  • the non-access station sends data corresponding to the specified access category; or the non-access station sends a priority level equal to or greater than the specified access.
  • the non-access station transmits data corresponding to any access category, and includes data corresponding to the specified access category; or the non-access station sends an access category corresponding to any access category Data; or, when there is no data to be sent in the buffer queue of the non-access site arbitrary access category, the non-access station transmits data of the service flow that is sent in a non-contention manner; or By default, the inbound site sends data for at least the traffic that is sent in a non-contention manner.
  • the method further includes: when the triggering frame or the radio frame carrying the trigger information field specifies to send data of a service flow that is sent in a non-contention manner, the non-access station sends the Data of a service flow sent in a non-competitive manner.
  • the non-access station transmitting data of the service flow that is sent in a non-contention manner includes: when the non-access site does not use data of a service flow that is sent in a non-contention manner, the non-access site Send data for any access category.
  • the data includes a cache queue length parameter of one or more access categories of the non-access site.
  • the non-access station reports, to the access site, a cache queue length of the service flow sent in a non-contention manner.
  • the method further includes: when the non-access station does not receive the trigger frame or the radio frame carrying the trigger information field within a predetermined time, the non-access station uses an arbitrary access category. A competing transmission opportunity to transmit data of a service flow transmitted in a non-contention manner.
  • a contention transmission apparatus is further provided, which is applied to an access station, where the apparatus includes: a sending module, configured to: send a trigger frame or a radio frame carrying a trigger information field to one or The plurality of non-access stations trigger the one or more non-access stations to perform uplink multi-user transmission; and the setting module is configured to: after receiving the data sent by the one or more non-access stations, The contention window of the incoming category is reset to the initial value.
  • the access category includes that the access station sends when the one or more non-access stations specified in the trigger frame or the radio frame carrying the trigger information field perform uplink multi-user transmission.
  • the access category of the data includes that the access station sends when the one or more non-access stations specified in the trigger frame or the radio frame carrying the trigger information field perform uplink multi-user transmission.
  • the device further includes: a first adjustment module, configured to: adjust the data corresponding The cache queue length parameter of the access category.
  • the apparatus further includes: a second adjusting module, configured to: when the data includes a buffer queue length parameter of one or more access categories of the one or more non-access sites, The access station adjusts a buffer queue length parameter of one or more access categories on the access point side according to a buffer queue length parameter of the one or more access categories.
  • a second adjusting module configured to: when the data includes a buffer queue length parameter of one or more access categories of the one or more non-access sites, The access station adjusts a buffer queue length parameter of one or more access categories on the access point side according to a buffer queue length parameter of the one or more access categories.
  • the trigger frame or the radio frame carrying the trigger information field includes: indication information indicating that the non-access station sends data of a service flow that is sent in a non-contention manner.
  • another contention transmission apparatus is further provided, which is applied to a non-access site, and the apparatus includes: a receiving module, configured to: receive a trigger frame sent by the access station or carry trigger information a radio frame of the domain; the first sending module is configured to send data to the access station according to the trigger frame or the radio frame carrying the trigger information field; and the setting module is configured to: receive the access After the response message of the site, the contention window of the access category corresponding to the data is reset to an initial value; and the clearing module is configured to: clear the backoff timer of the access category corresponding to the data.
  • the first sending module includes: a first sending unit, configured to: send data corresponding to the specified access category when the access category is specified in the trigger frame or the radio frame carrying the trigger information field Or the non-access station sends data corresponding to the priority of the specified access category; or the non-access station sends data corresponding to any access category, and includes the specified The data corresponding to the access category; or the second sending unit is configured to: send data corresponding to any access category; or the third sending unit is configured to: when the non-access station has an access queue of any access category When there is no data to be sent, the data of the service flow is sent in a non-contention manner; or the non-access station sends at least the data of the service flow that is sent in a non-contention manner by default.
  • a first sending unit configured to: send data corresponding to the specified access category when the access category is specified in the trigger frame or the radio frame carrying the trigger information field Or the non-access station sends data corresponding to the priority of the specified access category; or the non-access station send
  • the device further includes: a second sending module, configured to: when the triggering frame or the radio frame carrying the trigger information field is specified to send data of a service flow that is sent in a non-contention manner, The non-access site sends the data of the service flow sent in a non-contention manner.
  • a second sending module configured to: when the triggering frame or the radio frame carrying the trigger information field is specified to send data of a service flow that is sent in a non-contention manner, The non-access site sends the data of the service flow sent in a non-contention manner.
  • the second sending module is further configured to: send data of an arbitrary access category queue when the non-access station does not use data of a service flow that is sent in a non-contention manner.
  • the data is set to: a cache queue length parameter of one or more access categories including non-access sites.
  • the apparatus further includes: a third sending module, configured to: report, to the access station, a buffer queue length of the service flow that is sent in a non-contention manner.
  • a third sending module configured to: report, to the access station, a buffer queue length of the service flow that is sent in a non-contention manner.
  • the device further includes: a fourth sending module, configured to: when the non-access station does not receive the trigger frame or the radio frame carrying the trigger information field within a predetermined time, the non-access node The access site uses the transmission opportunity that any access category contends to transmit data of the service flow transmitted in a non-contention manner.
  • a fourth sending module configured to: when the non-access station does not receive the trigger frame or the radio frame carrying the trigger information field within a predetermined time, the non-access node The access site uses the transmission opportunity that any access category contends to transmit data of the service flow transmitted in a non-contention manner.
  • the access station after receiving the data sent by the non-access station, the access station resets the contention window of the access category to an initial value; the access station clears the back-off timer of the access category. It is ensured that the competition parameters of the same queue of the site on the access point side and the non-access point side can be kept synchronized, and the busy state of the channel is displayed.
  • FIG. 1 is a diagram showing an example of a WLAN basic service set BSS
  • FIG. 2 is a diagram showing an example of a frame exchange process in which an AP triggers a UL MU transmission
  • FIG. 3 is a flow chart of a contention transmission method according to an embodiment of the present invention.
  • FIG. 4 is a structural block diagram of a contention transmission apparatus according to an embodiment of the present invention.
  • FIG. 5 is a structural block diagram (1) of a contention transmission apparatus according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram (2) of a contention transmission apparatus according to an embodiment of the present invention.
  • FIG. 7 is a flowchart (1) of a contention transmission method according to an embodiment of the present invention.
  • FIG. 8 is a structural block diagram (3) of a contention transmission apparatus according to an embodiment of the present invention.
  • FIG. 9 is a structural block diagram (4) of a contention transmission apparatus according to an embodiment of the present invention.
  • FIG. 10 is a structural block diagram (5) of a contention transmission apparatus according to an embodiment of the present invention.
  • FIG. 11 is a structural block diagram (6) of a contention transmission apparatus according to an embodiment of the present invention.
  • FIG. 12 is a structural block diagram (7) of a contention transmission apparatus according to an embodiment of the present invention.
  • FIG. 13 is a diagram showing an example of an AP establishing an uplink AC queue for a station according to an embodiment of the present invention
  • FIG. 14 is a second example of an AP establishing an uplink AC queue for a station according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a contention transmission method according to an embodiment of the present invention. As shown in FIG. 3, the process includes the following steps:
  • Step S302 the access station sends the trigger frame or the radio frame carrying the trigger information field to one or more non-access stations, and triggers one or more non-access stations to perform uplink multi-user transmission;
  • Step S304 after receiving the data sent by one or more non-access stations, the access station resets the contention window of the access category to an initial value.
  • the access station After receiving the data sent by the non-access site, the access station resets the contention window of the access category to an initial value, ensuring the same queue of the site on the access point side and the non-access point side.
  • the competitive parameters can be kept in sync while demonstrating the busy state of the channel.
  • the access station before the access station receives the data sent by the non-access station, the access station sends the trigger frame or the radio frame carrying the trigger information field to one or more non-access stations, so that The non-access station transmits data to the access station according to the trigger frame or the radio frame carrying the trigger information field.
  • the trigger frame or the radio frame carrying the trigger information field carries the scheduling information of one or more non-access stations, and the trigger frame and the radio frame carrying the trigger information field are used to trigger one or more non-access stations to perform uplink. Multi-user transmission.
  • the access category includes the data sent by the access station when the one or more non-access stations specified in the trigger frame or the radio frame carrying the trigger information field perform uplink multi-user transmission. Into the category.
  • the access station after receiving the data, the access station adjusts the cache queue length parameter of the access category corresponding to the data.
  • the access station caches according to one or more access categories.
  • the Queue Length parameter adjusts the Cache Queue Length parameter of one or more access categories on the access point side.
  • the trigger frame or the radio frame carrying the trigger information field includes: indication information indicating that the non-access station sends data of the service flow sent in a non-contention manner.
  • a competing transmission device is also provided in the embodiment of the present invention.
  • the device is used to implement the foregoing embodiments and optional implementations, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 4 is a structural block diagram of a contention transmission apparatus according to an embodiment of the present invention, which is applied to an access station.
  • the apparatus includes: a sending module 42 configured to: trigger a frame or a radio frame carrying a trigger information field. Sending to one or more non-access stations, triggering one or more non-access stations for uplink multi-user transmission; setting module 44, configured to: after receiving data sent by one or more non-access stations, The contention window of the access category is reset to the initial value.
  • the access category includes an access category of the data sent by the access station when the one or more non-access stations specified in the trigger frame or the radio frame carrying the trigger information field perform uplink multi-user transmission. .
  • FIG. 5 is a structural block diagram (1) of a contention transmission apparatus according to an embodiment of the present invention. As shown in FIG. 5, the apparatus further includes: a first adjustment module 52 configured to: adjust a buffer queue of an access category corresponding to the data. Length parameter.
  • FIG. 6 is a structural block diagram (2) of a contention transmission apparatus according to an embodiment of the present invention.
  • the apparatus further includes: a second adjustment module 62 configured to: when the data includes one or more accesses of a non-access site When the cache queue length parameter of the category is used, the access station adjusts the cache queue length parameter of one or more access categories on the access point side according to the buffer queue length parameter of the one or more access categories.
  • the trigger frame or the radio frame carrying the trigger information field includes: indication information indicating that the non-access station sends data of the service flow sent in a non-contention manner.
  • each of the above modules may be implemented by software or hardware. For the latter, the following manners may be implemented, but are not limited thereto: each of the above modules may be located in the same process. Or each of the above modules may be located in the first processor, the second processor, and the third processor, respectively.
  • FIG. 7 is a flowchart (1) of a contention transmission method according to an embodiment of the present invention. As shown in FIG. 7, the process includes the following steps:
  • Step S702 The non-access station receives the trigger frame sent by the access station or the radio frame carrying the trigger information field.
  • Step S704 The non-access station sends data to the access site according to the trigger frame or the radio frame carrying the trigger information field.
  • Step S706 after receiving the response message of the access site, the non-access site resets the contention window of the access category corresponding to the data to an initial value;
  • Step S708 the non-access station clears the backoff timer of the access category corresponding to the data.
  • the non-access station After receiving the response message sent by the access station, the non-access station resets the contention window of the access category to an initial value, and clears the back-off timer of the access category to ensure the access point.
  • the contention parameters of the same queue of the side and non-access point side stations can be kept synchronized, and the busy state of the channel is displayed. It should be noted that the above steps S706 and S708 have no limitation of the order.
  • step S704 involves the non-access station transmitting data to the access station according to the trigger frame or the radio frame carrying the trigger information field.
  • the data is specified in the trigger frame or the radio frame carrying the trigger information field.
  • the non-access site sends data corresponding to the specified access category; or the non-access site sends the data with the priority level equal to or greater than the data corresponding to the specified access category; or the non-access site sends any The data corresponding to the access category and the data corresponding to the specified access category.
  • the non-access site transmits data corresponding to any access category.
  • the non-access station sends data of the service flow that is sent in a non-contention manner; or, By default, the access site sends at least data of the service flow that is sent in a non-contention manner.
  • the non-access station transmits data of the service flow transmitted in a non-contention manner.
  • the non-access site when the non-access site does not use the data of the service flow that is sent in a non-contention manner, the non-access site sends any connection. Data into the category queue.
  • the data includes a cache queue length of one or more access categories of the non-access site.
  • the non-access site reports to the access site the cache queue length of the traffic flow sent in a non-contention manner.
  • the non-access station when the non-access station does not receive the trigger frame or the radio frame carrying the trigger information field within a predetermined time, the non-access station uses the non-competition station to use any of the access categories to compete for the transmission to use non-competition.
  • the data of the service flow that is sent in the manner.
  • module may implement a combination of software and/or hardware of a predetermined function.
  • apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 8 is a structural block diagram (3) of a contention transmission apparatus according to an embodiment of the present invention. The method is applied to a non-access station.
  • the apparatus includes: a receiving module 82, configured to: receive a trigger sent by an access station. a frame or a radio frame carrying a trigger information field; the first sending module 84 is configured to: send data to the access station according to the trigger frame or the radio frame carrying the trigger information field; and the setting module 86 is configured to: receive the connection After the response message of the inbound station, the contention window of the access category corresponding to the data is reset to an initial value; the clearing module 88 is configured to: clear the backoff timer of the access category corresponding to the data.
  • FIG. 9 is a structural block diagram (4) of a contention transmission apparatus according to an embodiment of the present invention.
  • the first sending module 84 includes: a first sending unit 842, configured to: trigger a frame or carry a trigger information field.
  • the access category is specified in the radio frame
  • the data corresponding to the specified access category is sent; or the sending priority level is equal to or greater than the data corresponding to the specified access category; or Sending data corresponding to any access category, and including data corresponding to the specified access category
  • the second sending unit 844 is configured to: send data corresponding to any access category
  • the third sending unit 846 is configured to When the data is not to be sent in the cache queue of the access category of the non-access site, the data of the service flow is sent in a non-contention manner; or the non-access site sends at least the service flow sent by the non-contention mode by default.
  • the data is not to be sent in the cache queue of the access category of the non-access site, the data of the service flow is sent in
  • FIG. 10 is a structural block diagram (5) of a contention transmission apparatus according to an embodiment of the present invention.
  • the apparatus further includes: a second sending module 102 configured to: in a trigger frame or a radio frame carrying a trigger information field
  • the non-access station transmits the data of the service flow transmitted in the non-contention mode.
  • the second sending module 102 is further configured to: send data of any access category queue when the non-access station does not use the data of the service flow that is sent in a non-contention manner.
  • the data is set to: a cache queue length that includes one or more access categories of the non-access site.
  • FIG. 11 is a structural block diagram (6) of a contention transmission apparatus according to an embodiment of the present invention. As shown in FIG. 11, the apparatus further includes: a third sending module 112 configured to report to the access station that the non-contention mode is used for sending The length of the cache queue for the traffic flow.
  • a third sending module 112 configured to report to the access station that the non-contention mode is used for sending The length of the cache queue for the traffic flow.
  • FIG. 12 is a structural block diagram (7) of a contention transmission apparatus according to an embodiment of the present invention.
  • the apparatus further includes: a fourth sending module 122, configured to: the non-access station does not receive within a predetermined time.
  • the trigger frame or the radio frame carrying the trigger information field is sent, the data of the service flow transmitted in a non-contention manner is transmitted.
  • the trigger frame or the radio frame carrying the trigger information field carries the scheduling information of the non-access station, and the trigger frame and the radio frame carrying the trigger information field are used to trigger one or more non-access stations to perform uplink multi-user transmission.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, each of the above modules may be located in the same processor; or each of the above The modules may be located in the first processor, the second processor, and the third processor, respectively.
  • FIG. 13 is a schematic diagram of an example of an AP establishing an uplink AC queue for a station according to an embodiment of the present invention. As shown in FIG. 13, the AP side collects a buffer queue length of its own four AC queues reported by one or more STAs associated with the AP. Information, AC priority order from low to high is AC-BK (background), AC-BE (best effort), AC-VI (video), AC-VO (voice).
  • AC-BK background
  • AC-BE best effort
  • AC-VI video
  • AC-VO voice
  • the AP side establishes four uplink AC queues, and the data of each STA belonging to the same AC queue enters the same queue and is queued for transmission.
  • the four AC queues compete with the four downstream AC queues of the AP itself.
  • the STA may also report the buffer queue length of one or more service flows sent by the non-contention mode to the AP.
  • the AP sends a trigger frame or a frame carrying the trigger information field.
  • the AP schedules STA1 to STA4 to perform uplink multi-user data transmission in the trigger frame or the trigger information field.
  • the AP specifies that the data sent by STA1 to STA4 in the trigger frame is the data of the AC-VO queue.
  • STA1 to STA4 receive the trigger frame, and perform uplink multi-user transmission according to the scheduling information in the trigger frame and the time-frequency offset calibration information.
  • the AP specifies that the transmitted data is the data of the AC-VO queue, and STA1 to STA4 both need to send the data of the AC-VO queue.
  • the AP After receiving the uplink multi-user data, the AP successfully completes the checksum demodulation, and then resets the contention window of the uplink AC-VO queue on the AP side to the initial value CWmin.
  • the AP sends an acknowledgement frame to the received uplink multi-user data to the station.
  • the station receives the acknowledgement frame
  • the AP resets the contention window of its own AC-VO queue to the initial value CWmin, and clears the backoff timer of the AC-VO queue. zero.
  • the AP receives the data sent by STA1 to STA4, and the AP adjusts the uplink AC-VO buffer queue length parameter on the side of the AP according to the number of data packets. If STA1 to STA4 carry one or more access class caches in the uplink data. The length of the queue, the AP updates the cache queue length parameter of the corresponding uplink AC on the AP side according to the information provided by the station.
  • the AP side collects buffer queue length information of its own four AC queues reported by one or more STAs associated with it.
  • the four queues are AC-BK (background), AC-BE (best effort), and AC-VI (video). ), AC-VO (voice).
  • the AP side establishes four uplink AC queues, and the data of each STA belonging to the same AC queue enters the same queue and is queued for transmission.
  • the four AC queues compete with the four downstream AC queues of the AP itself.
  • the AP sends a trigger frame or a radio frame carrying the trigger information field.
  • the AP schedules STA1 to STA4 to perform uplink multi-user data transmission in the trigger frame.
  • the AP specifies that the data sent by STA1 to STA4 in the trigger frame is the data of the AC-VO queue.
  • STA1 to STA4 receive the trigger frame, and perform uplink multi-user transmission according to the scheduling information in the trigger frame and the time-frequency offset calibration information.
  • the AP specifies that the data to be sent is the data of the AC-VO queue, and STA1 to STA4 can transmit data of any AC queue and ensure at least the data of the AC-VO queue.
  • the AP After receiving the uplink multi-user data, the AP successfully completes the checksum demodulation, and then resets the contention window of the uplink AC-VO queue on the AP side to the initial value CWmin.
  • the AP sends an acknowledgement frame to the received uplink multi-user data to the site.
  • the site receives the acknowledgement frame
  • the AP resets the contention window of the AC queue corresponding to the data transmitted by itself to the initial value CWmin, and sets the backoff timer of the AC queue. Cleared.
  • the AP receives the data sent by STA1 to STA4, and the AP adjusts the length of the uplink AC-VO buffer queue on the side of the AP and the buffer queue length parameter of the uplink AC corresponding to the received data. If STA1 to STA4 carry the data in the uplink data, The current cache queue length parameter of the corresponding uplink AC on the AP side is updated according to the information provided by the site.
  • the AP side collects buffer queue length information of its own four AC queues reported by one or more STAs associated with it.
  • the four queues are AC-BK (background), AC-BE (best effort), and AC-VI (video). ), AC-VO (voice).
  • the AP side establishes four uplink AC queues, and the data of each STA belonging to the same AC queue enters the same queue and is queued for transmission.
  • the four AC queues compete with the four downstream AC queues of the AP itself.
  • One of the uplink ACs for example, if the AC-VO competition is successful, then the AP participates in the competition of AC-VO. The number is sent to trigger the frame.
  • the AP schedules STA1 to STA4 to perform uplink multi-user data transmission in the trigger frame, and the AP does not specify the AC of the data sent by STA1 to STA4 in the trigger frame.
  • STA1 to STA4 receive the trigger frame, and perform uplink multi-user transmission according to the scheduling information in the trigger frame and the time-frequency offset calibration information. Since the AP does not specify the AC queue to be sent, STA1 to STA4 can send data of any AC queue in the A-MPDU.
  • the AC that specifies the data sent by the STA1 to the STA4 in the trigger frame is the AC-VO, but the STA1 to the STA4 receive the trigger frame, and the data of any AC queue can be sent in the A-MPDU.
  • the AP After receiving the uplink multi-user data, the AP successfully completes the checksum demodulation, and then resets the contention window of the uplink AC queue on the corresponding AP side to the initial value CWmin.
  • the AP sends an acknowledgement frame to the received uplink multi-user data to the site.
  • the site receives the acknowledgement frame
  • the AP resets the contention window of the AC queue corresponding to the data transmitted by itself to the initial value CWmin, and sets the backoff timer of the AC queue. Cleared.
  • the AP receives the data sent by STA1 to STA4, and the AP adjusts the buffer queue length parameter of the uplink AC corresponding to the received data on the side of the AP; if STA1 to STA4 carry the current one or more access class caches in the uplink data.
  • the length of the queue the AP updates the cache queue length parameter of the corresponding uplink AC on the AP side according to the information provided by the station.
  • the AP side collects the buffer queue length information of its own four AC queues reported by one or more STAs associated with it, and the AP side establishes four uplink AC queues. The four AC queues compete with the four downlink AC queues of the AP itself. .
  • the AP sends a trigger frame or a frame carrying the trigger information field.
  • the AP schedules STA1 to STA4 to perform uplink multi-user data transmission in the trigger frame or the radio frame carrying the trigger information field, and the AP indicates that the AC allowed to access is the AC-BE in the trigger frame.
  • STA1 to STA4 are allowed to send data of the queue with the AC priority higher than that of the AC-BE. That is, STA1 to STA4 can send data of the AC-BE, AC-VI, and AC-VO queues.
  • the AP After receiving the uplink multi-user data, the AP successfully completes the checksum demodulation, and then resets the contention window of the uplink AC-BE queue on the AP side to the initial value CWmin.
  • the AP sends an acknowledgement frame to the received uplink multi-user data to the site.
  • the site receives the acknowledgement frame
  • the AP resets the contention window of the AC queue corresponding to the data transmitted by itself to the initial value CWmin, and sets the backoff timer of the AC queue. Cleared.
  • the AP receives the data sent by the STA1 to the STA4, and the AP adjusts the length of the uplink AC buffer queue on the side of the AP according to the number of the data packets. If the STA1 to STA4 carry the current one or more access class cache queue lengths in the uplink data. The AP updates the cache queue length parameter of the corresponding uplink AC on the AP side according to the information provided by the station.
  • FIG. 14 is a second example of an AP establishing an uplink AC queue for a station according to an embodiment of the present invention. As shown in FIG. 14, only one uplink queue is established on the AP side, and all AC data of each STA enters the queue and waits for contention.
  • the uplink queue has a pre-configured competition parameter. When the competition is successful, the AP sends a trigger frame to trigger uplink multi-user transmission.
  • STA1 to STA4 receive the trigger frame, and perform uplink multi-user transmission according to the scheduling information in the trigger frame and the time-frequency offset calibration information.
  • the AP specifies that the current uplink multi-user transmission AC is AC-VO, but when there is no data to be sent in the four AC cache queues of the station, the station can send data of the service flow that is sent in a non-contention manner.
  • the station performs uplink data transmission, and the AP receives the uplink data sent by the station, and successfully completes the checksum demodulation, and then resets the contention window of the uplink AC queue on the corresponding AP side to the initial value CWmin.
  • the AP receives the data sent by the STA1 to the STA4. If the STA1 to the STA4 carry the current one or more access class cache queue lengths in the uplink data, the AP sets the length of the corresponding uplink AC cache queue according to the information provided by the AP. Parameter update.
  • the AP indicates, in the system information, one or more trigger frames or a transmission time of the radio frame including the trigger information field, and transmits a trigger frame or a radio frame including the trigger information field when the predetermined time arrives.
  • the AP collects the buffer queue length of the service flow sent by the STA in the non-contention mode.
  • the data that the AP specifies for the uplink multi-user transmission in the trigger frame or the radio frame carrying the trigger information field is the data of the service flow that is sent in a non-contention manner.
  • the AC frame that is carried in the trigger frame or the radio frame carrying the trigger information field is not the AC identifier, but is a service flow that is sent in a non-contention manner.
  • the station When the station receives the trigger frame or the radio frame carrying the trigger information field, the station sends the data of the service flow that is sent in a non-contention manner. If the site does not use the data of the service flow sent in a non-contention manner at this time, the station can send data of any AC queue.
  • the AP indicates, in the system information, one or more trigger frames or a transmission time of the radio frame including the trigger information field, and transmits a trigger frame or a radio frame including the trigger information field when the predetermined time arrives.
  • the station does not receive the trigger frame sent by the receiving AP or the radio frame carrying the trigger information field at the scheduled time.
  • the station may use the sending opportunity that any access category contends to send the data of the service flow that is sent in a non-contention manner.
  • the AP side collects buffer queue length information of its own four AC queues reported by one or more STAs associated with it.
  • the four queues are AC-BK (background), AC-BE (best effort), and AC-VI (video). ), AC-VO (voice).
  • the AP side establishes four uplink AC queues, and the data of each STA belonging to the same AC queue enters the same queue and is queued for transmission.
  • the four AC queues compete with the four downstream AC queues of the AP itself.
  • the AP side establishes an uplink AC queue, and all the AC queue data of all STAs enter the queue and wait for the contention to be sent.
  • the AP After the uplink AC is successfully contending, the AP sends a trigger frame or a frame with a trigger information field, and triggers STA1 to STA4 to perform uplink multi-user transmission.
  • the AP instructs STA1 to STA4 to send AC-VI in the trigger frame or the radio frame carrying the trigger information field.
  • Data the above site sends AC-VI data, or can send AC-VI and AC with higher priority than AC-VI, that is, AC-VO data.
  • the data of the service flow sent in the non-contention mode can always be sent by default. Traffic flows that are sent in a non-competitive manner can be considered as the highest priority, and can always be sent in any case.
  • the station performs uplink data transmission, and the AP receives the uplink data sent by the station, and successfully completes the checksum demodulation, and then resets the contention window of the uplink AC queue on the corresponding AP side to the initial value CWmin.
  • the AP receives the data sent by STA1 to STA4, and updates the cache queue length parameter of the corresponding uplink AC and the uplink non-contention mode of the service flow according to the number of received data packets. If the STA1 to STA4 carry the current one or more access class cache queue lengths in the uplink data and the cache queue length parameter of the service flow that is sent in the non-contention mode, the AP sends the corresponding uplink AC on the AP side according to the information provided by the station. The cache queue length parameter is updated.
  • the content parameter of the site side is adjusted according to the data transmission state in time, thereby reflecting the busy state of the channel, and the site side is
  • the competition parameters of the same queue of the site on the AP side can be kept synchronized, which provides a good fairness for the competition between the sites of the entire network.
  • a storage medium is further provided, wherein the software includes the above-mentioned software, including but not limited to: an optical disk, a floppy disk, a hard disk, an erasable memory, and the like.
  • modules or steps of the embodiments of the present invention can be implemented by a general computing device, which can be concentrated on a single computing device or distributed in multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from The steps shown or described are performed sequentially, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated into a single integrated circuit module. Thus, the application is not limited to any particular combination of hardware and software.
  • all or part of the steps of the above embodiments may also be implemented using an integrated circuit.
  • the steps may be separately fabricated into individual integrated circuit modules, or a plurality of modules or steps may be fabricated into a single integrated circuit module.
  • the devices/function modules/functional units in the above embodiments may be implemented by a general-purpose computing device, which may be centralized on a single computing device or distributed over a network of multiple computing devices.
  • the device/function module/functional unit in the above embodiment When the device/function module/functional unit in the above embodiment is implemented in the form of a software function module and sold or used as a stand-alone product, it can be stored in a computer readable storage medium.
  • the above mentioned computer readable storage medium may be a read only memory, a magnetic disk or an optical disk or the like.
  • the above technical solution ensures that the contention parameters of the same queue of the site on the access point side and the non-access point side can be kept synchronized, and the busy state of the channel is displayed.

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Abstract

本文公布了一种竞争传输方法及装置，其中，该方法包括：接入站点将触发帧或携带触发信息域的无线帧发送至非接入站点，触发非接入站点进行上行多用户传输；接入站点在接收到非接入站点发送的数据后，将接入类别的竞争窗口重置为初始值。

Description

竞争传输方法及装置 技术领域
本文涉及但不限于通信领域，具体而言，涉及一种竞争传输方法及装置。
背景技术
目前，随着更多的人使用WLAN进行数据通信，WLAN网络负载也在不断加重，且随着用户数目的增多，WLAN网络的效率会出现明显下降的趋势，单纯提高速率并不能解决该问题，多用户并行传输作为解决网络效率的一种备选技术，引起了广泛关注和研究。相关技术中，多用户并行传输技术包括MU-MIMO(multi-user MIMO)技术(空域多址)，OFDMA技术(频域多址)等。
WLAN中，一个接入站点(access point，简称为AP)以及与该AP相关联的多个非接入站点(non-AP Station，简称为non-AP STA)组成了一个基本服务集(basic service set，简称为BSS)，如图1所示。WLAN中的多用户并行传输一般为多个non-AP STA同时向AP发送数据，一般称这种为上行多用户(uplink multi-user，简称为UL MU)传输，或者AP同时给多个non-AP STA发送数据，称之为下行多用户(downlink multi-user，简称为DL MU)传输，典型的上下行多用户传输帧交换序列如图2所示。
相关方案中，UL MU传输需要AP进行触发，例如AP可以发送触发帧来触发，或者AP采用在无线帧中携带携带触发信息域的无线帧的方式触发。触发帧或者携带触发信息域的无线帧中携带了站点的调度信息，如站点的标识信息、站点进行上行传输所使用的时间和频率资源信息、站点的时频偏校准信息等。AP发送触发帧或携带触发信息域的无线帧之后，站点接收触发帧或携带触发信息域的无线帧，如果自己的标识信息携带在其中，则表示自己被调度在本次UL MU传输中，若自己有待发送数据，则进行准备，并按照AP所指示的时频偏校准信息进行同步，在所分配的时间和频率资源上进行发送。
相关技术中，具有QoS(Quality of Service)的WLAN系统的数据发送 方式分为竞争发送和非竞争发送，其中，竞争发送机制是EDCA(enhanced distributed channel access)，即业务流数据具有优先级属性，每个数据包都根据优先级映射到4个AC(Access Category)队列中排队等待传输。每个AC都具有一组竞争参数，竞争参数包括帧间间隔AIFS(arbitration interframe space)、占用信道传输机会的最大时长，竞争窗口的最大值CWmax(Contention Window)和最小值CWmin。不同的AC的竞争参数取值不同，从而体现了AC的优先级。
4个AC进行竞争发送，具体来说竞争的过程是，对于每个AC，站点都将CW窗的初始值设置为CWmin，并在[0,CWmin]中随机选择一个整数，用该值设置回退计时器Backoff timer。站点监听信道，当信道空闲满足该AC的帧间间隔AIFS时长时，站点进行随机回退，每听到一个时隙空闲，则Backoff timer减一，当Backoff timer减到0，该AC获得传输机会，并发送数据。当传输发生碰撞，CW要以指数增加，并且最终值不超过CWmax，当传输成功，CW值重置为CWmin。控制帧和管理帧并非数据帧，相关技术中常常规定控制帧和管理帧采用特定的AC进行发送。
相关技术中，触发帧可以采用预定发送时刻的方式发送，或者采用竞争的方式进行发送，例如，可以令站点上报自己各AC的缓存队列长度，AP侧获得站点侧的AC队列的缓存数据长度后，上行AC队列在AP侧也参与竞争，如果上行某个AC竞争成功，则发送该AC队列的触发帧，触发UL MU传输。
然而，采用竞争方式发送触发帧后，站点按照触发帧的指示进行了UL MU传输，站点侧和AP侧的上行AC队列的CW取值和Backoff timer应该如何处理，相关技术并没有给出解决方案。
针对相关技术中，采用竞争方式发送触发帧后，站点侧和AP侧的上行AC队列的CW取值和Backoff timer应该如何处理的问题，还未提出有效的解决方案。
发明内容
以下是对本文详细描述的主题的概述。本概述并非是为了限制权利要求的保护范围。
本发明实施例提供了一种竞争传输方法及装置，保证了接入点侧和非接入点侧的站点的同一队列的的竞争参数能够保持同步，同时展示了信道的忙闲状态。
一种竞争传输方法，包括：接入站点将触发帧或携带触发信息域的无线帧发送至一个或多个非接入站点，触发所述一个或多个非接入站点进行上行多用户传输；所述接入站点在接收到一个或多个非接入站点发送的数据后，将接入类别的竞争窗口重置为初始值。
可选地，所述接入类别包括所述接入站点在所述触发帧或所述携带触发信息域的无线帧中指定的所述一个或多个非接入站点进行上行多用户传输时发送的数据的接入类别。
可选地，所述方法还包括：所述接入站点接收到所述数据后，所述接入站点调整所述数据对应的接入类别的缓存队列长度参数。
可选地，当所述数据中包含有所述一个或多个非接入站点的一个或多个接入类别的缓存队列长度参数时，所述接入站点根据所述一个或多个接入类别的缓存队列长度参数调整所述接入站点的一个或多个接入类别的缓存队列长度参数。
可选地，所述触发帧或者所述携带触发信息域的无线帧包括:指示所述一个或多个非接入站点发送采用非竞争方式发送的业务流的数据的指示信息。
根据本发明实施例的另一个方面，还提供了另一种竞争传输方法，包括：非接入站点接收接入站点发送的触发帧或携带触发信息域的无线帧；所述非接入站点根据所述触发帧或者所述携带触发信息域的无线帧将数据发送至所述接入站点；所述非接入站点接收到所述接入站点的响应消息后，将所述数据对应的接入类别的竞争窗口重置为初始值；所述非接入站点将所述数据对应的所述接入类别的回退计时器清零。
可选地，所述非接入站点根据所述触发帧或者所述携带触发信息域的无线帧将数据发送至所述接入站点包括：在所述触发帧或者所述携带触发信息域的无线帧中指定接入类别时，所述非接入站点发送指定的接入类别对应的数据；或者，所述非接入站点发送优先级等级等于或者大于所述指定的接入 类别对应的数据；或者，所述非接入站点发送任意接入类别对应的数据，且包含所述指定的接入类别对应的数据；或者，所述非接入站点发送任意接入类别对应的数据；或者，当所述非接入站点任意接入类别的缓存队列中没有待发送数据时，所述非接入站点发送采用非竞争方式进行发送的业务流的数据；或者，所述非接入站点默认至少发送采用非竞争方式进行发送的业务流的数据。
可选地，所述方法还包括：在所述触发帧或所述携带触发信息域的无线帧中指定发送采用非竞争方式进行发送的业务流的数据时，所述非接入站点发送所述采用非竞争方式发送的业务流的数据。
可选地，所述非接入站点发送采用非竞争方式发送的业务流的数据包括：在所述非接入站点没有采用非竞争方式进行发送的业务流的数据时，所述非接入站点发送任意接入类别的数据。
可选地，所述数据包含所述非接入站点的一个或多个接入类别的缓存队列长度参数。
可选地，所述非接入站点向所述接入站点报告采用非竞争方式发送的业务流的缓存队列长度。
可选地，所述方法还包括：所述非接入站点在预定时间内未收到所述触发帧或者所述携带触发信息域的无线帧时，所述非接入站点使用任意接入类别竞争到的发送机会，发送采用非竞争方式发送的业务流的数据。
根据本发明实施例的一个方面，还提供了一种竞争传输装置，应用于接入站点，所述装置包括：发送模块，设置为：将触发帧或携带触发信息域的无线帧发送至一个或多个非接入站点，触发所述一个或多个非接入站点进行上行多用户传输；设置模块，设置为：在接收到所述一个或多个非接入站点发送的数据后，将接入类别的竞争窗口重置为初始值。
可选地，所述接入类别包括所述接入站点在所述触发帧或所述携带触发信息域的无线帧中指定的所述一个或多个非接入站点进行上行多用户传输时发送的数据的接入类别。
可选地，所述装置还包括：第一调整模块，设置为：调整所述数据对应 的接入类别的缓存队列长度参数。
可选地，所述装置还包括：第二调整模块，设置为：当所述数据中包含有所述一个或多个非接入站点的一个或多个接入类别的缓存队列长度参数时，所述接入站点根据所述一个或多个接入类别的缓存队列长度参数调整所述接入点侧的一个或多个接入类别的缓存队列长度参数。
可选地，所述触发帧或者所述携带触发信息域的无线帧包括：指示所述非接入站点发送采用非竞争方式发送的业务流的数据的指示信息。
根据本发明实施例的另一个方面，还提供了另一种竞争传输装置，应用于非接入站点，所述装置包括：接收模块，设置为：接收接入站点发送的触发帧或携带触发信息域的无线帧；第一发送模块，设置为：根据所述触发帧或者所述携带触发信息域的无线帧将数据发送至所述接入站点；设置模块，设置为：接收到所述接入站点的响应消息后，将所述数据对应的接入类别的竞争窗口重置为初始值；清零模块，设置为：将所述数据对应的所述接入类别的回退计时器清零。
可选地，所述第一发送模块包括：第一发送单元，设置为：在所述触发帧或者所述携带触发信息域的无线帧中指定接入类别时，发送指定接入类别对应的数据；或者，所述非接入站点发送优先级等级等于或者大于所述指定的接入类别对应的数据；或者，所述非接入站点发送任意接入类别对应的数据，且包含所述指定的接入类别对应的数据；或者，第二发送单元，设置为：发送任意接入类别对应的数据；或者，第三发送单元，设置为：当所述非接入站点任意接入类别的缓存队列中没有待发送数据时，发送采用非竞争方式进行发送业务流的数据；或者，所述非接入站点默认至少发送采用非竞争方式进行发送的业务流的数据。
可选地，所述装置还包括：第二发送模块，设置为：在所述触发帧或所述携带触发信息域的无线帧中指定发送采用非竞争方式进行发送的业务流的数据时，所述非接入站点发送所述采用非竞争方式发送的业务流的数据。
可选地，所述第二发送模块还设置为：在所述非接入站点没有采用非竞争方式进行发送的业务流的数据时，发送任意接入类别队列的数据。
可选地，所述数据设置为：包含非接入站点的一个或多个接入类别的缓存队列长度参数。
可选地，所述装置还包括：第三发送模块，设置为：向所述接入站点报告所述采用非竞争方式发送的业务流的缓存队列长度。
可选地，所述装置还包括：第四发送模块，设置为：所述非接入站点在预定时间内未收到所述触发帧或者所述携带触发信息域的无线帧时，所述非接入站点使用任意接入类别竞争到的发送机会，发送采用非竞争方式发送的业务流的数据。
通过本发明实施例，采用接入站点在接收到非接入站点发送的数据后，将接入类别的竞争窗口重置为初始值；接入站点将接入类别的回退计时器清零。保证了接入点侧和非接入点侧的站点的同一队列的的竞争参数能够保持同步，同时展示了信道的忙闲状态。
在阅读并理解了附图和详细描述后，可以明白其他方面。
附图概述
图1是WLAN基本服务集BSS示例图；
图2是AP触发UL MU传输的帧交换过程示例图；
图3是根据本发明实施例的竞争传输方法的流程图；
图4是根据本发明实施例的竞争传输装置的结构框图；
图5是根据本发明实施例的竞争传输装置的结构框图(一)；
图6是根据本发明实施例的竞争传输装置的结构框图(二)；
图7是根据本发明实施例的竞争传输方法的流程图(一)；
图8是根据本发明实施例的竞争传输装置的结构框图(三)；
图9是根据本发明实施例的竞争传输装置的结构框图(四)；
图10是根据本发明实施例的竞争传输装置的结构框图(五)；
图11是根据本发明实施例的竞争传输装置的结构框图(六)；
图12是根据本发明实施例的竞争传输装置的结构框图(七)；
图13是根据本发明实施例的AP为站点建立上行AC队列示例图之一；
图14是根据本发明实施例的AP为站点建立上行AC队列示例图之二。
本发明的实施方式
下文中将结合附图对本发明的实施方式进行详细说明。需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。
在本发明实施例中提供了一种竞争传输方法，图3是根据本发明实施例的竞争传输方法的流程图，如图3所示，该流程包括如下步骤：
步骤S302，接入站点将触发帧或携带触发信息域的无线帧发送至一个或多个非接入站点，触发一个或多个非接入站点进行上行多用户传输；
步骤S304，接入站点在接收到一个或多个非接入站点发送的数据后，将接入类别的竞争窗口重置为初始值。
通过上述步骤，接入站点在接收到非接入站点发送的数据后，将接入类别的竞争窗口重置为初始值，保证了接入点侧和非接入点侧的站点的同一队列的的竞争参数能够保持同步，同时展示了信道的忙闲状态。
在一个可选实施例中，在接入站点接收到非接入站点发送的该数据之前，接入站点将触发帧或携带触发信息域的无线帧发送至一个或多个非接入站点，以便于非接入站点根据触发帧或者携带触发信息域的无线帧向接入站点发送数据。其中，触发帧或者携带触发信息域的无线帧携带有一个或多个非接入站点的调度信息，触发帧和携带触发信息域的无线帧均用于触发一个或多个非接入站点进行上行多用户传输。
在一个可选实施例中，上述的接入类别包括接入站点在触发帧或携带触发信息域的无线帧中指定的一个或多个非接入站点进行上行多用户传输时发送的数据的接入类别。
在一个可选实施例中，接入站点接收到数据后，调整数据对应的接入类别的缓存队列长度参数。
在另一个可选实施例中，当上述数据中包含有非接入站点的一个或多个接入类别的缓存队列长度参数时，接入站点根据一个或多个接入类别的缓存 队列长度参数调整接入点侧的一个或多个接入类别的缓存队列长度参数。
可选地，触发帧或者携带触发信息域的无线帧包括：指示非接入站点发送采用非竞争方式发送的业务流的数据的指示信息。
在本发明实施例中还提供了一种竞争传输装置，该装置用于实现上述实施例及可选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图4是根据本发明实施例的竞争传输装置的结构框图，应用于接入站点，如图4所示，该装置包括：发送模块42，设置为：将触发帧或携带触发信息域的无线帧发送至一个或多个非接入站点，触发一个或多个非接入站点进行上行多用户传输；设置模块44，设置为：在接收到一个或多个非接入站点发送的数据后，将接入类别的竞争窗口重置为初始值。
可选地，接入类别包括该接入站点在该触发帧或该携带触发信息域的无线帧中指定的一个或多个非接入站点进行上行多用户传输时的发送的数据的接入类别。
图5是根据本发明实施例的竞争传输装置的结构框图(一)，如图5所示，该装置还包括：第一调整模块52，设置为：调整该数据对应的接入类别的缓存队列长度参数。
图6是根据本发明实施例的竞争传输装置的结构框图(二)，该装置还包括：第二调整模块62，设置为：当上述数据中包含有非接入站点的一个或多个接入类别的缓存队列长度参数时，接入站点根据所述一个或多个接入类别的缓存队列长度参数调整接入点侧的一个或多个接入类别的缓存队列长度参数。
可选地，触发帧或者携带触发信息域的无线帧包括：指示非接入站点发送采用非竞争方式发送的业务流的数据的指示信息。
需要说明的是，上述每个模块是可以通过软件或硬件来实现的，对于后者，可以通过以下方式实现，但不限于此：上述每个模块均可位于同一处理 器中；或者，上述每个模块可分别位于第一处理器、第二处理器和第三处理器…中。
在本发明另一个实施例中还提供了另一种竞争传输方法，图7是根据本发明实施例的竞争传输方法的流程图(一)，如图7所示，该流程包括如下步骤：
步骤S702，非接入站点接收接入站点发送的触发帧或携带触发信息域的无线帧；
步骤S704，非接入站点根据触发帧或者携带触发信息域的无线帧将数据发送至接入站点；
步骤S706，非接入站点接收到接入站点的响应消息后，将该数据对应的接入类别的竞争窗口重置为初始值；
步骤S708，非接入站点将该数据对应的接入类别的回退计时器清零。
通过上述步骤，非接入站点在接收到接入站点发送响应消息之后，将接入类别的竞争窗口重置为初始值，将上述接入类别的回退计时器清零，保证了接入点侧和非接入点侧的站点的同一队列的的竞争参数能够保持同步，同时展示了信道的忙闲状态。需要说明的是，上述步骤S706和步骤S708没有先后顺序的限制。
上述步骤S704涉及到非接入站点根据触发帧或者携带触发信息域的无线帧将数据发送至接入站点，在一个可选实施例中，在触发帧或者携带触发信息域的无线帧中指定接入类别时，非接入站点发送指定接入类别对应的数据；或者，所述非接入站点发送优先级等级等于或者大于所述指定接入类别对应的数据；或者，非接入站点发送任意接入类别对应的数据，且包含该指定接入类别对应的数据。在另一个可选实施例中，非接入站点发送任意接入类别对应的数据。在再一个可选实施例中，或者，当非接入站点任意接入类别的缓存队列中没有待发送数据时，非接入站点发送采用非竞争方式进行发送的业务流的数据；或者，非接入站点默认至少发送采用非竞争方式进行发送的业务流的数据。
在一个可选实施例中，在所述触发帧或所述携带触发信息域的无线帧中 指定发送采用非竞争方式进行发送的业务流的数据时，非接入站点发送采用非竞争方式发送的业务流的数据。
在非接入站点采用非竞争方式发送该数据的过程中，在一个可选实施例中，在非接入站点没有采用非竞争方式进行发送的业务流的数据时，非接入站点发送任意接入类别队列的数据。
在一个可选实施例中，上述数据包含所述非接入站点的一个或多个接入类别的缓存队列长度。
在一个可选实施例中，非接入站点向接入站点报告采用非竞争方式发送的业务流的缓存队列长度。
在一个可选实施例中，在非接入站点在预定时间内未收到触发帧或者携带触发信息域的无线帧时，非接入站点使用任意接入类别竞争到的发送机会发送采用非竞争方式进行发送的业务流的数据。
在本发明实施例中还提供了另一种竞争传输装置，该装置用于实现上述实施例及可选实施方式，已经进行过说明的不再赘述。如以下所使用的，术语“模块”可以实现预定功能的软件和/或硬件的组合。尽管以下实施例所描述的装置较佳地以软件来实现，但是硬件，或者软件和硬件的组合的实现也是可能并被构想的。
图8是根据本发明实施例的竞争传输装置的结构框图(三)，应用于非接入站点，如图8所示，该装置包括：接收模块82，设置为：接收接入站点发送的触发帧或携带触发信息域的无线帧；第一发送模块84，设置为：根据触发帧或者携带触发信息域的无线帧将数据发送至该接入站点；设置模块86，设置为：接收到该接入站点的响应消息后，将该数据对应的接入类别的竞争窗口重置为初始值；清零模块88，设置为：将该数据对应的该接入类别的回退计时器清零。
图9是根据本发明实施例的竞争传输装置的结构框图(四)，如图9所示，第一发送模块84包括：第一发送单元842，设置为：在触发帧或者携带触发信息域的无线帧中指定接入类别时，发送该指定接入类别对应的数据；或者，发送优先级等级等于或者大于所述指定接入类别对应的数据；或者， 发送任意接入类别对应的数据，且包含该指定接入类别对应的数据；或者，第二发送单元844，设置为：发送任意接入类别对应的数据；或者，第三发送单元846，设置为：当非接入站点任意接入类别的缓存队列中没有待发送数据时，发送采用非竞争方式进行发送业务流的数据；或者，非接入站点默认至少发送采用非竞争方式进行发送的业务流的数据。
图10是根据本发明实施例的竞争传输装置的结构框图(五)，如图10所示，该装置还包括：第二发送模块102，设置为：在触发帧或携带触发信息域的无线帧中指定发送采用非竞争方式进行发送的业务流的数据时，非接入站点发送采用非竞争方式发送的业务流的数据。
可选地，第二发送模块102还设置为：在非接入站点没有采用非竞争方式进行发送的业务流的数据时，发送任意接入类别队列的数据。
可选地，该数据设置为：包含非接入站点的一个或多个接入类别的缓存队列长度。
图11是根据本发明实施例的竞争传输装置的结构框图(六)，如图11所示，该装置还包括：第三发送模块112，设置为：向接入站点报告采用非竞争方式发送的业务流的缓存队列长度。
图12是根据本发明实施例的竞争传输装置的结构框图(七)，如图12所示，该装置还包括：第四发送模块122，设置为：该非接入站点在预定时间内未收到该触发帧或者该携带触发信息域的无线帧时，发送采用非竞争方式进行发送的业务流的数据。
可选地，触发帧或者携带触发信息域的无线帧携带有非接入站点的调度信息，触发帧和携带触发信息域的无线帧均用于触发一个或多个非接入站点进行上行多用户传输。
需要说明的是，上述每个模块是可以通过软件或硬件来实现的，对于后者，可以通过以下方式实现，但不限于此：上述每个模块均可位于同一处理器中；或者，上述每个模块可分别位于第一处理器、第二处理器和第三处理器…中。
针对相关技术中存在的上述问题，下面结合具体的可选实施例进行说明。
实施例一
AP和STA建立的业务流的数据发送方式有两种，非竞争方式发送和竞争方式发送。对于竞争方式发送，数据进入AC队列排队等待竞争发送。图13是根据本发明实施例的AP为站点建立上行AC队列示例图之一，如图13所示，AP侧收集与其关联的一个或多个STA上报的自己的四个AC队列的缓存队列长度信息，AC优先级顺序由低到高依次是AC-BK(background)，AC-BE(best effort)，AC-VI(video)，AC-VO(voice)。AP侧建立四个上行AC队列，各STA属于相同AC队列的数据进入同一队列排队等待发送。四个AC队列与AP本身的四个下行AC队列同时进行竞争。对于非竞争方式发送的业务流，STA也可以上报非竞争方式发送的一个或多个业务流的缓存队列长度给AP。
上行AC之一，例如是AC-VO竞争成功，则AP发送触发帧或携带触发信息域的帧。AP在触发帧或触发信息域内调度STA1～STA4进行上行多用户数据传输，AP在触发帧内指定STA1～STA4所发送的数据是AC-VO队列的数据。
STA1～STA4收到触发帧，根据触发帧内的调度信息和时频偏校准信息进行上行多用户传输。AP指定了发送的数据是AC-VO队列的数据，则STA1～STA4均需发送AC-VO队列的数据。
AP收到上行多用户数据，成功完成校验和解调，则将AP侧的上行AC-VO队列的竞争窗口重置为初始值CWmin。
AP对收到的上行多用户数据发送确认帧给站点，站点收到确认帧，则将自己的AC-VO队列的竞争窗口重置为初始值CWmin，将AC-VO队列的回退计时器清零。
AP收到STA1～STA4发送的数据，AP根据数据包数量调整自己这一侧的上行AC-VO缓存队列长度参数；如果STA1～STA4在上行数据中携带了当前自己一个或多个接入类别缓存队列长度，则AP根据站点提供的信息将AP侧相应的上行AC的缓存队列长度参数更新。
实施例二
AP侧收集与其关联的一个或多个STA上报的自己的四个AC队列的缓存队列长度信息，四个队列分别是AC-BK(background)，AC-BE(best effort)，AC-VI(video)，AC-VO(voice)。AP侧建立四个上行AC队列，各STA属于相同AC队列的数据进入同一队列排队等待发送。四个AC队列与AP本身的四个下行AC队列同时进行竞争。
上行AC-VO竞争成功，则AP发送触发帧或携带触发信息域的无线帧。AP在触发帧内调度STA1～STA4进行上行多用户数据传输，AP在触发帧内指定STA1～STA4所发送的数据是AC-VO队列的数据。
STA1～STA4收到触发帧，根据触发帧内的调度信息和时频偏校准信息进行上行多用户传输。AP指定了发送的数据是AC-VO队列的数据，STA1～STA4可以发送任意AC队列的数据，且保证至少包括AC-VO队列的数据。
AP收到上行多用户数据，成功完成校验和解调，则将AP侧的上行AC-VO队列的竞争窗口重置为初始值CWmin。
AP对收到的上行多用户数据发送确认帧给站点，站点收到确认帧，则将自己所传输的数据对应的AC队列的竞争窗口重置为初始值CWmin，将AC队列的回退计时器清零。
AP收到STA1～STA4发送的数据，AP调整自己这一侧的上行AC-VO缓存队列长度参数以及其他收到的数据对应的上行AC的缓存队列长度参数；如果STA1～STA4在上行数据中携带当前自己一个或多个接入类别缓存队列长度，则AP根据站点提供的信息将AP侧相应的上行AC的缓存队列长度参数更新。
实施例三
AP侧收集与其关联的一个或多个STA上报的自己的四个AC队列的缓存队列长度信息，四个队列分别是AC-BK(background)，AC-BE(best effort)，AC-VI(video)，AC-VO(voice)。AP侧建立四个上行AC队列，各STA属于相同AC队列的数据进入同一队列排队等待发送。四个AC队列与AP本身的四个下行AC队列同时进行竞争。
上行AC之一，例如是AC-VO竞争成功，则AP按照AC-VO的竞争参 数进行触发帧的发送。
AP在触发帧内调度STA1～STA4进行上行多用户数据传输，AP在触发帧内不指定STA1～STA4所发送的数据的AC。
STA1～STA4收到触发帧，根据触发帧内的调度信息和时频偏校准信息进行上行多用户传输。由于AP没有指定发送的AC队列，STA1～STA4可以在A-MPDU中发送任意AC队列的数据。
或者，AP在触发帧内指定STA1～STA4所发送的数据的AC是AC-VO，但STA1～STA4收到触发帧，可以在A-MPDU中发送任意AC队列的数据。
AP收到上行多用户数据，成功完成校验和解调，则将相应的AP侧的上行AC队列的竞争窗口重置为初始值CWmin。
AP对收到的上行多用户数据发送确认帧给站点，站点收到确认帧，则将自己所传输的数据对应的AC队列的竞争窗口重置为初始值CWmin，将AC队列的回退计时器清零。
AP收到STA1～STA4发送的数据，AP调整自己这一侧的收到的数据对应的上行AC的缓存队列长度参数；如果STA1～STA4在上行数据中携带当前自己一个或多个接入类别缓存队列长度，则AP根据站点提供的信息将AP侧相应的上行AC的缓存队列长度参数更新。
实施例四
AP侧收集与其关联的一个或多个STA上报的自己的四个AC队列的缓存队列长度信息，AP侧建立四个上行AC队列，四个AC队列与AP本身的四个下行AC队列同时进行竞争。
上行AC之一，例如是AC-BE竞争成功，则AP发送触发帧或携带触发信息域的帧。AP在触发帧或携带触发信息域的无线帧内调度STA1～STA4进行上行多用户数据传输，AP在触发帧内指示允许接入的AC是AC-BE。
STA1～STA4收到触发帧后，允许发送AC优先级高于AC-BE的队列的数据，即STA1～STA4可以发送AC-BE，AC-VI和AC-VO队列的数据。
AP收到上行多用户数据，成功完成校验和解调，则将AP侧的上行AC-BE队列的竞争窗口重置为初始值CWmin。
AP对收到的上行多用户数据发送确认帧给站点，站点收到确认帧，则将自己所传输的数据对应的AC队列的竞争窗口重置为初始值CWmin，将AC队列的回退计时器清零。
AP收到STA1～STA4发送的数据，AP根据数据包数量调整自己这一侧的上行AC缓存队列长度参数；如果STA1～STA4在上行数据中携带了当前自己一个或多个接入类别缓存队列长度，则AP根据站点提供的信息将AP侧相应的上行AC的缓存队列长度参数更新。
实施例五
图14是根据本发明实施例的AP为站点建立上行AC队列示例图之二，如图14所示，AP侧仅建立一个上行队列，各STA的所有AC的数据全部进入该队列等待竞争发送。此上行队列具有系统预先配置的竞争参数，当竞争成功，AP发送触发帧，触发上行多用户传输。
STA1～STA4收到触发帧，根据触发帧内的调度信息和时频偏校准信息进行上行多用户传输。AP指定当前上行多用户传输的AC是AC-VO，但站点的四个AC的缓存队列中都没有待发送数据时，站点可以发送采用非竞争方式进行发送的业务流的数据。
站点进行上行数据传输，AP收到站点发送的上行数据，成功完成校验和解调，则将相应的AP侧的上行AC队列的竞争窗口重置为初始值CWmin。
AP收到STA1～STA4发送的数据，如果STA1～STA4在上行数据中携带当前自己一个或多个接入类别缓存队列长度，则AP根据站点提供的信息将AP侧相应的上行AC的缓存队列长度参数更新。
实施例六
AP在系统信息中指示一个或多个触发帧或者含有触发信息域的无线帧的发送时刻，在预定时刻到达时发送触发帧或含有触发信息域的无线帧。
AP收集STA上报的非竞争方式发送的业务流的缓存队列长度。AP在触发帧或携带触发信息域的无线帧中指定站点进行上行多用户传输的数据是采用非竞争方式进行发送的业务流的数据。此时，在触发帧或携带触发信息域的无线帧中携带的不是AC标识，而是采用非竞争方式进行发送的业务流的 标识。
站点收到触发帧或携带触发信息域的无线帧，则发送采用非竞争方式进行发送的业务流的数据。如果站点此时没有采用非竞争方式进行发送的业务流的数据，则站点可以发送任意AC队列的数据。
实施例七
AP在系统信息中指示一个或多个触发帧或者含有触发信息域的无线帧的发送时刻，在预定时刻到达时发送触发帧或含有触发信息域的无线帧。站点在预定时刻没有收到接收AP发送的触发帧或携带触发信息域的无线帧，站点可以使用任意接入类别竞争到的发送机会发送采用非竞争方式进行发送的业务流的数据。
实施例八
AP侧收集与其关联的一个或多个STA上报的自己的四个AC队列的缓存队列长度信息，四个队列分别是AC-BK(background)，AC-BE(best effort)，AC-VI(video)，AC-VO(voice)。AP侧建立四个上行AC队列，各STA属于相同AC队列的数据进入同一队列排队等待发送。四个AC队列与AP本身的四个下行AC队列同时进行竞争。或者，AP侧建立一个上行AC队列，所有STA的所有AC队列的数据都进入该队列等待竞争发送。
上行AC竞争成功，AP发送触发帧或者带有触发信息域的帧，触发STA1～STA4进行上行多用户传输，AP在触发帧或者携带触发信息域的无线帧中指示STA1～STA4发送AC-VI的数据，则上述站点发送AC-VI的数据，或者，可以发送AC-VI和优先级高于AC-VI的AC，即AC-VO的数据。且在上述两种发送情况下，默认总可以发送采用非竞争方式进行发送的业务流的数据。可以将采用非竞争方式进行发送的业务流看作最高优先级，在任何情况下总可以进行发送。
站点进行上行数据传输，AP收到站点发送的上行数据，成功完成校验和解调，则将相应的AP侧的上行AC队列的竞争窗口重置为初始值CWmin。
AP收到STA1～STA4发送的数据，根据收到的数据包数量情况将相应的上行AC以及上行非竞争方式发送的业务流的缓存队列长度参数进行更新。 如果STA1～STA4在上行数据中携带当前自己一个或多个接入类别缓存队列长度，以及非竞争方式发送的业务流的缓存队列长度参数，则AP根据站点提供的信息将AP侧相应的上行AC的缓存队列长度参数更新。
综上所述，通过本发明实施例，能够使得在进行由AP触发的上行多用户传输时站点侧的竞争参数根据数据发送状态及时进行调整，从而反映信道的忙闲状态，并且使得站点侧与AP侧的站点的同一队列的竞争参数能够保持同步，为整个网络的站点之间的竞争提供了较好的公平性。
在另外一个实施例中，还提供了一种软件，该软件用于执行上述实施例及优选实施方式中描述的技术方案。
在另外一个实施例中，还提供了一种存储介质，该存储介质中存储有上述软件，该存储介质包括但不限于：光盘、软盘、硬盘、可擦写存储器等。
显然，本领域的技术人员应该明白，上述的本发明实施例的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，并且在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本申请不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。
本领域普通技术人员可以理解上述实施例的全部或部分步骤可以使用计算机程序流程来实现，所述计算机程序可以存储于一计算机可读存储介质中，所述计算机程序在相应的硬件平台上(如系统、设备、装置、器件等)执行，在执行时，包括方法实施例的步骤之一或其组合。
可选地，上述实施例的全部或部分步骤也可以使用集成电路来实现，这 些步骤可以被分别制作成一个个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。
上述实施例中的装置/功能模块/功能单元可以采用通用的计算装置来实现，它们可以集中在单个的计算装置上，也可以分布在多个计算装置所组成的网络上。
上述实施例中的装置/功能模块/功能单元以软件功能模块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。上述提到的计算机可读取存储介质可以是只读存储器，磁盘或光盘等。
工业实用性
上述技术方案保证了接入点侧和非接入点侧的站点的同一队列的的竞争参数能够保持同步，同时展示了信道的忙闲状态。

Claims (24)

  1. 一种竞争传输方法，包括：
    接入站点将触发帧或携带触发信息域的无线帧发送至一个或多个非接入站点，触发所述一个或多个非接入站点进行上行多用户传输；
    所述接入站点在接收到所述一个或多个非接入站点发送的数据后，将接入类别的竞争窗口重置为初始值。
  2. 根据权利要求1所述的方法，其中，所述接入类别包括所述接入站点在所述触发帧或所述携带触发信息域的无线帧中指定的所述一个或多个非接入站点进行上行多用户传输时发送的数据的接入类别。
  3. 根据权利要求1所述的方法，还包括：
    所述接入站点调整所述数据在所述接入站点对应的接入类别的缓存队列长度参数。
  4. 根据权利要求1所述的方法，还包括：
    当所述数据中包含有所述一个或多个非接入站点的一个或多个接入类别的缓存队列长度参数时，所述接入站点根据所述一个或多个接入类别的缓存队列长度参数调整所述接入站点的一个或多个接入类别的缓存队列长度参数。
  5. 根据权利要求1所述的方法，其中，所述触发帧或者所述携带触发信息域的无线帧包括指示所述非接入站点发送采用非竞争方式发送的业务流的数据的指示信息。
  6. 一种竞争传输方法，包括：
    非接入站点接收接入站点发送的触发帧或携带触发信息域的无线帧；
    所述非接入站点根据所述触发帧或者所述携带触发信息域的无线帧将数据发送至所述接入站点；
    所述非接入站点接收到所述接入站点的响应消息后，将所述数据对应的接入类别的竞争窗口重置为初始值；
    所述非接入站点将所述数据对应的所述接入类别的回退计时器清零。
  7. 根据权利要求6所述的方法，其中，所述非接入站点根据所述触发帧或者所述携带触发信息域的无线帧将数据发送至所述接入站点包括：
    在所述触发帧或者所述携带触发信息域的无线帧中指定接入类别时，所述非接入站点发送指定的接入类别对应的数据；或者，所述非接入站点发送优先级等级等于或者大于所述指定的接入类别对应的数据；或者，所述非接入站点发送任意接入类别对应的数据，且包含所述指定的接入类别对应的数据；或者，
    所述非接入站点发送任意接入类别对应的数据；或者，
    当所述非接入站点任意接入类别的缓存队列中没有待发送数据时，所述非接入站点发送采用非竞争方式进行发送的业务流的数据；或者，所述非接入站点默认至少发送采用非竞争方式进行发送的业务流的数据。
  8. 根据权利要求6所述的方法，还包括：
    在所述触发帧或所述携带触发信息域的无线帧中指定发送采用非竞争方式进行发送的业务流的数据时，所述非接入站点发送所述采用非竞争方式发送的业务流的数据。
  9. 根据权利要求8所述的方法，其中，所述非接入站点发送采用非竞争方式发送的业务流的数据包括：
    在所述非接入站点没有采用非竞争方式进行发送的业务流的数据时，所述非接入站点发送任意接入类别的数据。
  10. 根据权利要求6所述的方法，其中，所述数据包含当前非接入站点的所述接入类别的缓存队列长度。
  11. 根据权利要求6所述的方法，其中，所述非接入站点向所述接入站点报告所述采用非竞争方式发送的业务流的缓存队列长度。
  12. 根据权利要求6所述的方法，还包括：
    所述非接入站点在预定时间内未收到所述触发帧或者所述携带触发信息域的无线帧时，所述非接入站点使用任意接入类别竞争到的发送机会，发送采用非竞争方式发送的业务流的数据。
  13. 一种竞争传输装置，应用于接入站点，包括：
    发送模块，设置为：将触发帧或携带触发信息域的无线帧发送至一个或多个非接入站点，触发所述一个或多个非接入站点进行上行多用户传输；
    设置模块，设置为：在接收到所述一个或多个非接入站点发送的数据后，将接入类别的竞争窗口重置为初始值。
  14. 根据权利要求13所述的装置，其中，所述接入类别包括所述接入站点在所述触发帧或所述携带触发信息域的无线帧中指定的所述一个或多个非接入站点进行上行多用户传输时发送的数据的接入类别。
  15. 根据权利要求13所述的装置，还包括：
    第一调整模块，设置为：调整所述数据在所述接入站点对应的接入类别的缓存队列长度参数。
  16. 根据权利要求13所述的装置，还包括：
    第二调整模块，设置为：当所述数据中包含有所述一个或多个非接入站点的一个或多个接入类别的缓存队列长度参数时，所述接入站点根据所述一个或多个接入类别的缓存队列长度参数调整所述接入站点的一个或多个接入类别的缓存队列长度参数。
  17. 根据权利要求13所述的装置，其中，所述触发帧或者所述携带触发信息域的无线帧包括指示所述非接入站点发送采用非竞争方式发送的业务流的数据的指示信息。
  18. 一种竞争传输装置，应用于非接入站点，包括：
    接收模块，设置为：接收接入站点发送的触发帧或携带触发信息域的无线帧；
    第一发送模块，设置为：根据所述触发帧或者所述携带触发信息域的无线帧将数据发送至所述接入站点；
    设置模块，设置为：接收到所述接入站点的响应消息后，将所述数据对应的接入类别的竞争窗口重置为初始值；
    清零模块，设置为：将所述数据对应的所述接入类别的回退计时器清零。
  19. 根据权利要求18所述的装置，其中，所述第一发送模块包括：
    第一发送单元，设置为：在所述触发帧或者所述携带触发信息域的无线帧中指定接入类别时，发送指定的接入类别对应的数据；或者，所述非接入站点发送优先级等级等于或者大于所述指定的接入类别对应的数据；或者，所述非接入站点发送任意接入类别对应的数据，且包含所述指定的接入类别对应的数据；或者，
    第二发送单元，设置为：发送任意接入类别对应的数据；或者，
    第三发送单元，设置为：当所述非接入站点任意接入类别的缓存队列中没有待发送数据时，发送采用非竞争方式进行发送业务流的数据；或者，所述非接入站点默认至少发送采用非竞争方式进行发送的业务流的数据。
  20. 根据权利要求18所述的装置，还包括：
    第二发送模块，设置为：在所述触发帧或所述携带触发信息域的无线帧中指定发送采用非竞争方式进行发送的业务流的数据时，所述非接入站点发送所述采用非竞争方式发送的业务流的数据。
  21. 根据权利要求20所述的装置，所述第二发送模块还设置为：在所述非接入站点没有采用非竞争方式进行发送的业务流的数据时，发送任意接入类别队列的数据。
  22. 根据权利要求18所述的装置，其中，所述数据包含非接入站点的一个或多个接入类别的缓存队列长度参数。
  23. 根据权利要求18所述的装置，还包括：
    第三发送模块，设置为：向所述接入站点报告所述采用非竞争方式发送的业务流的缓存队列长度。
  24. 根据权利要求18所述的装置，还包括：
    第四发送模块，设置为：所述非接入站点在预定时间内未收到所述触发帧或者所述携带触发信息域的无线帧时，发送采用非竞争方式进行发送的业务流的数据。
PCT/CN2016/081321 2015-06-23 2016-05-06 竞争传输方法及装置 WO2016206481A1 (zh)

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111918406B (zh) * 2019-05-09 2024-05-10 中兴通讯股份有限公司 一种无线接入方法和装置
CN112566269B (zh) * 2021-02-23 2021-05-11 乐鑫信息科技（上海）股份有限公司 一种在无线局域网wlan中的上行传输方法和站点设备
CN116744273A (zh) * 2022-03-01 2023-09-12 华为技术有限公司 一种通信方法和通信装置
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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101547497A (zh) * 2008-03-25 2009-09-30 大唐移动通信设备有限公司 一种触发随机接入的方法、系统及装置
CN102118308A (zh) * 2009-12-22 2011-07-06 英特尔公司 用于下行链路多用户多输入多输出中的加权排队的方法和装置
CN102387592A (zh) * 2010-09-02 2012-03-21 中兴通讯股份有限公司 一种资源竞争方法和站点
US20140269544A1 (en) * 2013-03-15 2014-09-18 Samsung Electronics Co., Ltd. Transmission opportunity operation of uplink multi-user multiple-input-multiple-output communication in wireless networks

Family Cites Families (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4578206B2 (ja) 2004-11-02 2010-11-10 パナソニック株式会社 通信装置
JP4591104B2 (ja) * 2005-02-09 2010-12-01 ソニー株式会社 無線通信装置、無線通信方法およびプログラム
US8385272B2 (en) * 2007-10-24 2013-02-26 Hitachi, Ltd. System and method for burst channel access over wireless local area networks
US7839793B2 (en) 2007-11-20 2010-11-23 Siemens Enterprise Communications Gmbh & Co. Kg Method and apparatus for estimating collision probability in a wireless network
US8681793B2 (en) * 2009-05-22 2014-03-25 Lg Electronics Inc. Method and apparatus for space division multiple access for wireless local area network system
US8705340B2 (en) 2009-12-23 2014-04-22 Intel Corporation Packet-loss handling for downlink multi-user multiple-input and multiple-output wireless network
US9668283B2 (en) * 2010-05-05 2017-05-30 Qualcomm Incorporated Collision detection and backoff window adaptation for multiuser MIMO transmission
JP2012094976A (ja) 2010-10-25 2012-05-17 Mitsubishi Electric Corp 無線通信システムおよび無線制御方法
US8885468B2 (en) * 2010-12-30 2014-11-11 Htc Corporation Apparatuses and methods for access point name (APN) based congestion control during a packet data protocol (PDP) context activation procedure
CN102802171B (zh) * 2011-05-25 2016-06-22 华为技术有限公司 用于无线通信系统的退避方法和退避设备
US8743808B2 (en) * 2011-10-10 2014-06-03 Qualcomm Atheros, Inc. Collision reduction in a CSMA/CA system
KR101565102B1 (ko) * 2012-04-04 2015-11-02 주식회사 케이티 이중 우선순위 어플리케이션을 갖는 기계 형태 통신 장치에 대한 접속 제어 방법 및 장치
US9467379B2 (en) * 2013-08-28 2016-10-11 Qualcomm Incorporated Methods and apparatus for multiple user uplink
US20150063190A1 (en) * 2013-08-28 2015-03-05 Qualcomm Incorporated Methods and apparatus for multiple user uplink
US9295074B2 (en) 2013-09-10 2016-03-22 Samsung Electronics Co., Ltd. Acknowledgement, error recovery and backoff operation of uplink multi-user multiple-input-multiple-output communication in wireless networks
CN104640229A (zh) * 2013-11-06 2015-05-20 株式会社Ntt都科摩 一种用户设备接入方法、用户设备及基站
KR102324580B1 (ko) * 2014-05-08 2021-11-12 인터디지탈 패튼 홀딩스, 인크 Ｕｅ를 전용 코어 네트워크 노드에 리디렉트하기 위한 방법들 및 이동성 관리 엔티티(ｍｍｅ)
US10009930B2 (en) * 2014-06-19 2018-06-26 Lg Electronics Inc. Method and apparatus for transmitting frame
KR20170030540A (ko) * 2014-06-26 2017-03-17 엘지전자 주식회사 무선 통신 시스템에서 다중 사용자 상향링크 데이터 전송을 위한 방법 및 이를 위한 장치
USRE49420E1 (en) 2014-08-22 2023-02-14 Lg Electronics Inc. Method for uplink multi-user transmission in wireless communication system and apparatus therefor
EP3588888B1 (en) 2014-12-05 2021-03-10 Lg Electronics Inc. Data transmission method in wireless communication system and device therefor
WO2016167438A1 (ko) * 2015-04-15 2016-10-20 엘지전자 주식회사 무선랜 시스템에서 신호를 송수신하는 방법 및 이를 위한 장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101547497A (zh) * 2008-03-25 2009-09-30 大唐移动通信设备有限公司 一种触发随机接入的方法、系统及装置
CN102118308A (zh) * 2009-12-22 2011-07-06 英特尔公司 用于下行链路多用户多输入多输出中的加权排队的方法和装置
CN102387592A (zh) * 2010-09-02 2012-03-21 中兴通讯股份有限公司 一种资源竞争方法和站点
US20140269544A1 (en) * 2013-03-15 2014-09-18 Samsung Electronics Co., Ltd. Transmission opportunity operation of uplink multi-user multiple-input-multiple-output communication in wireless networks

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