CN108270530A - Sending method, access point and the website of user's confirmation message - Google Patents

Sending method, access point and the website of user's confirmation message Download PDF

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Publication number
CN108270530A
CN108270530A CN201611260638.4A CN201611260638A CN108270530A CN 108270530 A CN108270530 A CN 108270530A CN 201611260638 A CN201611260638 A CN 201611260638A CN 108270530 A CN108270530 A CN 108270530A
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CN
China
Prior art keywords
website
data buffer
acknowledgement frame
buffer storage
information
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CN201611260638.4A
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Chinese (zh)
Inventor
韩志强
吕开颖
邢卫民
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ZTE Corp
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ZTE Corp
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Priority to CN201611260638.4A priority Critical patent/CN108270530A/en
Publication of CN108270530A publication Critical patent/CN108270530A/en
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1854—Scheduling and prioritising arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received
    • H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
    • H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
    • H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
    • H04L1/1829—Arrangements specially adapted for the receiver end
    • H04L1/1861—Physical mapping arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path
    • H04L5/0003—Two-dimensional division
    • H04L5/0005—Time-frequency
    • H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
    • H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/003—Arrangements for allocating sub-channels of the transmission path
    • H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
    • H04L5/0055—Physical resource allocation for ACK/NACK

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  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of sending method, access point and the website of user's confirmation message, the method includes：Access point receives the radio frames that multiple websites are sent；Access point carries the data buffer storage status indication information of each website in multi-site block acknowledgement frame, and sends the multi-site block acknowledgement frame to each website.Specifically, access point carries out information field extension to multi-site block acknowledgement frame, and pass through the data buffer storage status indication information that the information field expanded carries each website, or, by the reservation bit position of information field specified in multi-site block acknowledgement frame, the data buffer storage status indication information of each website is carried.The present invention is by modifying to multi-site block acknowledgement frame so that it can carry the data buffer storage status indication information of multi-site, solve the problems, such as that data buffer storage instruction can not be carried out to multiple confirmation users by multi-site block acknowledgement frame in the prior art.

Description

Sending method, access point and the website of user's confirmation message
Technical field
The present invention relates to field of communication technology more particularly to a kind of sending method, access point and the stations of user's confirmation message Point.
Background technology
It is applied with the burst of WLAN (Wireless LAN, WLAN) network, the deployment of wlan network is continuous Densification, network load are also constantly aggravating, and with the increase of network, and the situation that the network coverage is overlapped is also more serious. The efficiency of wlan network will appear the trend being decreased obviously, simple to solve the problems, such as this by improving radio interface rate.Therefore, Ieee standard tissue has set up relevant group of task and has been dedicated to solving wlan network efficiency.Wherein, network-intensive is disposed In the case of interference avoid with the technology of improved efficiency become discuss hot spot.
Multi-user transmission technology can significantly improve the efficiency of WLAN, including uplink and downlink OFDMA (Orthogonal Frequency Division Multiple Access, Orthogonal Frequency Division Multiple Access) technology, uplink and downlink MU-MIMO (Multi-User Multiple-Input Multiple-Output, multi-user's multiple-input, multiple-output) combination between technology, or both.Particularly In upgoing O FDMA or uplink MU-MIMO transmission, access point simultaneously confirms the data of multiple users transmission, such as Fig. 1 It is shown, it is the frame format of multi-site block acknowledgement frame Multi-STA BlockAck (Multi-STA BA).In block confirmation message (BA Information) confirm starting sequence comprising one or more every AID TID information (Per AID TID Info) domains, block in domain Row control (Block Ack Starting Sequence Control) domain and block acknowledgement bit figure (Block Ack Bitmap).Per AID TID Info domains include three subdomains：AID subdomains confirm type (Ack Type) subdomain and TID Domain.Wherein, what AID domains carried is the association identification (Association identifier) of user, and the carrying of TID subdomains is industry Business mark (traffic identifier), ACK type subdomains are used to indicate Block Ack Starting Sequence Control domains and Block Ack Bitmap domains whether there is.In the radio frames of IEEE802.11 in Frame Control domains The purpose of More Data subdomains is the buffer unit for indicating whether to have intended recipient in sender.When More Data are set to 1, Represent that sender has the buffer unit of intended recipient.When More Data are set to 0, represent that sender does not have intended recipient Buffer unit (or referred to as data cached).However, More Data subdomains are in Frame Control domains, thus It can cause multi-site block acknowledgement frame that can not carry out buffer status instruction to multiple confirmation users
Invention content
The present invention provides a kind of sending method, access point and the website of user's confirmation message, to solve in the prior art The problem of can not data buffer storage state instruction being carried out to multiple confirmation users by multi-site block acknowledgement frame.
One side according to the present invention provides a kind of sending method of user's confirmation message, including：
Access point receives the radio frames that multiple websites are sent；
Access point carries the data buffer storage status indication information of each website in multi-site block acknowledgement frame, and to each The website sends the multi-site block acknowledgement frame.
Optionally, described access point carries the data buffer storage state instruction of each website in multi-site block acknowledgement frame Information, including：
Described access point carries out information field extension to multi-site block acknowledgement frame, and passes through the information field expanded and carry each The data buffer storage status indication information of website；
Alternatively, described access point is carried each by the reservation bit position of information field specified in multi-site block acknowledgement frame The data buffer storage status indication information of website.
Optionally, the information field expanded is located at the block confirmation message BA information of multi-site block acknowledgement frame In domain.
Optionally, the information field expanded includes：The station state information field that is increased newly for each website or Person, the Per AID TID Info domains increased newly for each website.
Optionally, described access point carries the data buffer storage state instruction letter of each website in multi-site block acknowledgement frame Breath, including：
The data buffer storage status indication information of each website is added to what is increased newly in multi-site block acknowledgement frame by described access point Confirm the instruction of control BA control domains originally in the station state information field of each website and by the block of multi-site block acknowledgement frame The frame type of multi-site block acknowledgement frame is the multi-site block acknowledgement frame with extension information field；
Alternatively, the data buffer storage status indication information of each website is added in multi-site block acknowledgement frame newly by described access point In the ACK type subdomains in the Per AID TID Info domains of each website increased and pass through each newly-increased Per AID TID TID subdomains instruction ACK type subdomains in Info domains carry data buffer storage status indication information.
Optionally, described access point is by enabling the TID subdomains in each newly-increased Per AID TID Info domains take certain reservation Bit value, come indicate ACK type subdomains carry data buffer storage status indication information.
Optionally, the information field specified includes：BA control domains, alternatively, block confirms starting sequence number control Block ACK Starting Sequence Control domains.
Optionally, the information field specified includes point in Block ACK Starting Sequence Control domains Segment number Fragment Number subdomains.
Optionally, described access point carries the data buffer storage state instruction letter of each website in multi-site block acknowledgement frame Breath, including：
It is indicated in BA information domains by reservation bit position in the BA Control domains of multi-site block acknowledgement frame There are data cached in access point side for top n difference website；Wherein, N is the number that access point side has data cached website；
Alternatively, the data buffer storage status indication information of each website is added to the BA of multi-site block acknowledgement frame by described access point Reservation bit position in information domains in the Block ACK Starting Sequence Control domains of each website.
Other side according to the present invention also provides a kind of sending method of user's confirmation message, including：
Website sends radio frames to access point；
Website carries after the multi-site block acknowledgement frame for receiving described access point transmission in the multi-site block acknowledgement frame Multi-site data buffer storage status indication information in obtain the data buffer storage status indication information of this website.
Optionally, in the multi-site data buffer storage status indication information that the website is carried in the multi-site block acknowledgement frame The data buffer storage status indication information of this website is obtained, including：
The multi-site data buffer storage state that the website is carried in the multi-site block acknowledgement frame by the information field of extension The data buffer storage status indication information of this website is got in instruction information；
Alternatively, the website carried in the multi-site block acknowledgement frame by the reservation bit position of specified information field it is more The data buffer storage status indication information of this website is got in station data buffer status instruction information.
Optionally, the information field of the extension is located at the block confirmation message BA information domains of multi-site block acknowledgement frame In.
Optionally, the information field of the extension includes：For the station state information field that each website increases newly, alternatively, The Per AID TID Info domains increased newly for each website.
Optionally, in the multi-site data buffer storage status indication information that the website is carried in the multi-site block acknowledgement frame The data buffer storage status indication information of this website is obtained, including：
The website parses the multi-site block acknowledgement frame, and multi-site block acknowledgement frame is indicated when parsing BA control domains Frame type be with extension information field multi-site block acknowledgement frame when, from the station state information increased newly for each website The data buffer storage status indication information of this website is parsed in domain.
Alternatively, the website parses the multi-site block acknowledgement frame, when in the multi-site block acknowledgement frame with this website pair When the TID subdomains instruction ACK type subdomains in the Per AID TID Info domains answered carry data buffer storage status indication information, The data buffer storage status indication information of this website is extracted from the ACK type subdomains in the Per AID TID Info domains.
Optionally, the information field specified includes：BA control domains, alternatively, Block ACK Starting Sequence Control domains.
Optionally, the information field specified includes：Point in Block ACK Starting Sequence Control domains Segment number Fragment Number subdomains.
Optionally, in the multi-site data buffer storage status indication information that the website is carried in the multi-site block acknowledgement frame The data buffer storage status indication information of this website is obtained, including：
The website parses the multi-site block acknowledgement frame, obtains the value N of reservation bit position in BA control domains, and Ranking value of the corresponding BA information domains of this website in all website BA information domains is detected, works as ranking value During less than or equal to N, determine that the data buffer storage status indication information of this website is access point side there are data cached, otherwise, really The data buffer storage status indication information for making this website is that there is no data cached for access point side；
Alternatively, the website parses the multi-site block acknowledgement frame, from the multi-site block acknowledgement frame with this website pair The data buffer storage state of this website is extracted in the reserved bit in Block ACK Starting Sequence Control domains answered Indicate information.
In terms of third according to the present invention, a kind of access point is provided, including：
Frame receiving module, for receiving the radio frames that multiple websites are sent；
Frame acknowledgment processing module, the data buffer storage state for carrying each website in multi-site block acknowledgement frame refer to Show information, and the multi-site block acknowledgement frame is sent to each website.
Optionally, the frame acknowledgment processing module, specifically for carrying out information field extension, and lead to multi-site block acknowledgement frame Cross the data buffer storage status indication information that the information field expanded carries each website；Alternatively, by multi-site block acknowledgement frame The reservation bit position for the information field specified carries the data buffer storage status indication information of each website.
Optionally, the information field expanded is located at the block confirmation message BA information of multi-site block acknowledgement frame In domain.
Optionally, the information field expanded includes：The station state information field that is increased newly for each website or Person, the Per AID TID Info domains increased newly for each website.
Optionally, the frame acknowledgment processing module, specifically for the data buffer storage status indication information of each website is added It is true in the station state information field of newly-increased each website and by the block of multi-site block acknowledgement frame into multi-site block acknowledgement frame Recognize control BA control domains and indicate that the frame type of this multi-site block acknowledgement frame is that the multi-site block with extension information field confirms Frame；Alternatively, the data buffer storage status indication information of each website is added to the Per of each website increased newly in multi-site block acknowledgement frame In the ACK type subdomains in AID TID Info domains and pass through the TID subdomains in each newly-increased Per AID TID Info domains Indicate that ACK type subdomains carry data buffer storage status indication information.
Optionally, the frame acknowledgment processing module is by enabling the TID subdomains in each newly-increased Per AID TID Info domains The bit value that certain is taken to retain, to indicate that ACK type subdomains carry data buffer storage status indication information.
Optionally, the information field specified includes：BA control domains, alternatively, block confirms starting sequence number control Block ACK Starting Sequence Control domains.
Optionally, the information field specified includes：Point in Block ACK Starting Sequence Control domains Segment number Fragment Number subdomains.
Optionally, the frame acknowledgment processing module, in the BA Control domains specifically for passing through multi-site block acknowledgement frame Reservation bit position indicates that there are data cached in access point side for top n difference website in BA information domains；It alternatively, will The data buffer storage status indication information of each website is added to each website in the BA information domains of multi-site block acknowledgement frame Reservation bit position in Block ACK Starting Sequence Control domains；Wherein, N has caching for access point side The number of the website of data.
The 4th aspect according to the present invention, provides a kind of website, including：
Frame sending module, for sending radio frames to access point；
Data obtaining module, for receive described access point transmission multi-site block acknowledgement frame after, in the multistation The data buffer storage status indication information of this website is obtained in the multi-site data buffer storage status indication information that point block acknowledgement frame carries.
Optionally, described information acquisition module, specifically for the information field for passing through extension in the multi-site block acknowledgement frame The data buffer storage status indication information of this website is got in the multi-site data buffer storage status indication information of carrying；Alternatively, The multi-site block acknowledgement frame is believed by the multi-site data buffer storage state instruction that the reservation bit position of specified information field carries The data buffer storage status indication information of this website is got in breath.
Optionally, the information field of the extension is located at the block confirmation message BA information domains of multi-site block acknowledgement frame In.
Optionally, the information field of the extension includes：For the station state information field that each website increases newly, alternatively, The Per AID TID Info domains increased newly for each website.
Optionally, described information acquisition module, specifically for parsing the multi-site block acknowledgement frame, when parsing BA When the frame type of control domains instruction multi-site block acknowledgement frame is the multi-site block acknowledgement frame with extension information field, from being every The data buffer storage status indication information of this website is parsed in the station state information field that a website increases newly；
Alternatively, the multi-site block acknowledgement frame is parsed, as Per corresponding with this website in the multi-site block acknowledgement frame When the TID subdomains instruction ACK type subdomains in AID TID Info domains carry data buffer storage status indication information, from the Per The data buffer storage status indication information of this website is extracted in ACK type subdomains in AID TID Info domains.
Optionally, the information field specified includes：BA control domains, alternatively, Block ACK Starting Sequence Control domains.
Optionally, the information field specified includes：Point in Block ACK Starting Sequence Control domains Segment number Fragment Number subdomains.
Optionally, described information acquisition module specifically for parsing the multi-site block acknowledgement frame, obtains BAcontrol The value N of reservation bit position in domain, and the corresponding BA information domains of this website are detected in all BA information Ranking value in domain, when ranking value is less than or equal to N, the data buffer storage status indication information for determining this website is access point side There are data cached, otherwise, it determines going out the data buffer storage status indication information of this website, for access point side, there is no data cached；
Alternatively, the multi-site block acknowledgement frame is parsed, the Block corresponding with this website from the multi-site block acknowledgement frame The data buffer storage status indication information of this website is extracted in the reserved bit in ACK Starting Sequence Control domains.
The present invention has the beneficial effect that：
The present invention is by modifying to Multi-STA BA so that it can carry the data buffer storage state of multi-site and refer to Show information, data buffer storage instruction can not be carried out by Multi-STA BA to multiple confirmation users in the prior art by, which solving, asks Topic.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention, And it can be implemented in accordance with the contents of the specification, and in order to allow above and other objects of the present invention, feature and advantage can It is clearer and more comprehensible, below the special specific embodiment for lifting the present invention.
Description of the drawings
By reading the detailed description of hereafter preferred embodiment, it is various other the advantages of and benefit it is common for this field Technical staff will become clear.Attached drawing is only used for showing the purpose of preferred embodiment, and is not considered as to the present invention Limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings：
Fig. 1 is the frame format schematic diagram of multi-site block acknowledgement frame in the prior art；
Fig. 2 is a kind of flow chart of the sending method of user's confirmation message provided in an embodiment of the present invention；
Fig. 3 is the flow chart of the sending method of a kind of user's confirmation message that first embodiment of the invention provides；
Fig. 4 is the content schematic diagram of BA information fields in the embodiment of the present invention；
Fig. 5 is the schematic diagram for the caching instruction for carrying website in the embodiment of the present invention in STA Status Info；
Fig. 6 is the caching instruction for carrying each access category of website in the embodiment of the present invention in STA Status Info Schematic diagram；
Fig. 7 is the schematic diagram of multi-user's instruction of BA information fields in the embodiment of the present invention；
Fig. 8 is the flow chart of the sending method of a kind of user's confirmation message that second embodiment of the invention provides；
Schematic diagrames of the Fig. 9 to indicate cache information in the embodiment of the present invention by special TID；
Figure 10 is the schematic diagram that cache information is indicated by special TID another in the embodiment of the present invention；
Figure 11 is the flow chart of the sending method of a kind of user's confirmation message that third embodiment of the invention provides；
Figure 12 is to indicate there there are slow multiple websites in BA Information by BA control domains in the embodiment of the present invention The schematic diagram of deposit data；
Figure 13 is to indicate that 2 users have data cached signal in AP sides by BA Control domains in the embodiment of the present invention Figure；
Figure 14 is the flow chart of the sending method of a kind of user's confirmation message that fourth embodiment of the invention provides；
Figure 15 is to indicate caching letter by Block Ack Starting Sequence Control in the embodiment of the present invention The schematic diagram of breath；
Figure 16 is that Multi-STA BA indicate multi-user's cache information in multi-user transmission in fifth embodiment of the invention Frame interaction schematic diagram；
Figure 17 is the flow chart of the sending method of a kind of user's confirmation message that sixth embodiment of the invention provides；
Figure 18 is the structure diagram of a kind of access point that seventh embodiment of the invention provides；
Figure 19 is the structure diagram of a kind of website that eighth embodiment of the invention provides.
Specific embodiment
The exemplary embodiment of the disclosure is more fully described below with reference to accompanying drawings.Although the disclosure is shown in attached drawing Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure Completely it is communicated to those skilled in the art.
In order to solve multiple confirmation users progress data buffer storages can not to be referred to by multi-site block acknowledgement frame in the prior art The problem of showing, the embodiment of the present invention provide a kind of sending method, access point and the website of user's confirmation message, the embodiment of the present invention The scheme of offer can indicate the state of each user while multi-user's confirmation is carried out, particularly to user's Data buffer storage state is indicated.
Specifically, the sending method of user's confirmation message provided in an embodiment of the present invention, as shown in Fig. 2, including following step Suddenly：
Step S201, access point receive the radio frames that multiple websites are sent；
Step S202, the data that access point carries each website in multi-site block acknowledgement frame Multi-STA BA are delayed Status indication information is deposited, and the multi-site block acknowledgement frame is sent to each website.
In the embodiment of the present invention, the data buffer storage state that access point carries each website in Multi-STA BA refers to Show that the mode of information includes but not limited to be：
Mode one：Access point carries out information field extension to Multi-STA BA, and passes through the information field expanded and carry often The data buffer storage status indication information of a website；
In the embodiment of the present invention, the information field expanded is located in the BA information domains of Multi-STA BA.Tool Body, the information field expanded includes：For the station state information field that each website increases newly, alternatively, for each station The newly-increased Per AID TID Info domains of point.
Mode two：Access point carries each website by the reservation bit position for the information field specified in Multi-STA BA Data buffer storage status indication information.
In the embodiment of the present invention, the information field specified include but not limited to be：BA control domains, alternatively, Block ACK Starting Sequence Control domains.
In summary, the method for the embodiment of the present invention, by modifying to Multi-STA BA so that it can take Data buffer storage status indication information with multi-site, solving in the prior art can not be by Multi-STA BA to multiple confirmations User carries out the problem of data buffer storage instruction.
Below by several specific embodiments, to the mode of above-mentioned each data buffer storage status indication information for carrying multi-site It is described in detail.
In the first embodiment of the present invention, a kind of sending method of user's confirmation message is provided, as shown in figure 3, including：
Step S301, access point receive the radio frames that multiple websites are sent；
Step S302, access point carry each website by the station state information field expanded in Multi-STA BA Data buffer storage status indication information, and send the multi-site block acknowledgement frame to each website.
That is, the embodiment of the present invention on the basis of present Multi-STA BA, designs a kind of new Multi- STA BA, the embodiment of the present invention is referred to herein as the Multi-STA BA of extension.The BA of the Multi-STA BA of extension The form in information domains is as shown in Figure 4.The confirmation message of each user is included：Per AID TID domains, Block ACK Starting Sequence Control domains, Block ACK Bitmap domains and station state information field (i.e. STA Status Info domains).The Multi-STA BA of extension and existing Multi-STA BA differences are described in the present embodiment Multi-STA BA increase the confirmation message of each website one station state information field.Here it is that the embodiment of the present invention is It is named as defined in this domain, this domain may also exist with other titles.
The data buffer storage state of website is indicated in STA Status Info domains, that is, is used to indicate More Data subdomains, The mode of instruction is as shown in Figure 5.Wherein, More Data subdomains occupy 1 bit.That is, STA Status Info domains are only It needs to occupy 1 byte.
Further, in above-mentioned confirmation message, can also be carried for each access category (access category, AC) buffer status indicates, as shown in Figure 6.For in existing 802.11 agreement four access categories (Best effort (BE), Background (BK), Voice (VO), Video (VI)) indicate respectively whether have it is data cached.Further, in suspend mode mould After the website of formula receives the Multi-STA BA of data cached instruction, data cached connect can be shown with according to four AC middle fingers The access category for entering lowest priority in classification sends economize on electricity inquiry frame (PS-Poll, Power Save-Poll) or uses The access category that four AC middle fingers are shown with highest priority in data cached access category sends economize on electricity inquiry frame.
In the embodiment of the present invention, the BA information domains of Multi-STA BA are the groups of multiple website confirmation messages It closes, as shown in fig. 7, containing the confirmation message of multiple websites, the confirmation message of each website includes one or more Per again AID TID domains, Block ACK Starting Sequence Control domains, Block ACK Bitmap domains and STA Status Info domains.It should be pointed out that the confirmation message of same website includes multiple Per AID TID domains, Block When ACK Starting Sequence Control domains, Block ACK Bitmap domains and STA Status Info domains, each STA It is identical for the data buffer storage state instruction of same access category in Status Info domains.
The specific frame type of existing Multi-STA BA is indicative by the bit combination in BA Control. The frame type of Multi-STA BA described in the embodiment of the present invention can continue to continue to use this rule, by BA Control Bit indicated.
In addition, it is necessary to, it is noted that the STA Status Info domains in the embodiment of the present invention can also carry other and be directed to The information of each website, such as economize on electricity information, the next rate information transmitted of suggestion etc..
In summary, the embodiment of the present invention in BA information domains by expanding new station state information field Mode, to carry the data buffer storage status indication information of multi-site, solving can not pass through well in the prior art The problem of Multi-STA BA carry out data buffer storage instruction to multiple confirmation users.
In the second embodiment of the present invention, a kind of sending method of user's confirmation message is provided, as shown in figure 8, including：
Step S801, access point receive the radio frames that multiple websites are sent；
Step S802, access point are carried by the Per AID TID Info subdomains expanded in Multi-STA BA The data buffer storage status indication information of each website, and send the multi-site block acknowledgement frame to each website.
That is, the embodiment of the present invention still continues to use the frame format of existing multi-user's acknowledgement frame, pass through multiplexing Information in the Per AID TID Info subdomains of Multi-STA BA frames is believed to indicate whether the user carries More Data Breath.
In the embodiment of the present invention, the side of More Data information is carried by the Per AID TID Info subdomains expanded Formula specifically includes：Access point by the data buffer storage status indication information of each website be added in multi-site block acknowledgement frame increase newly it is each In ACK type subdomains in the Per AID TID Info domains of website and pass through each newly-increased Per AID TID Info domains In TID subdomains instruction ACK type subdomains carry data buffer storage status indication information.
In the embodiment of the present invention, it is contemplated that TID subdomains also have several retentions to be not used by present, so, the present embodiment In, TID subdomains can be enabled to take certain retention, represent that the information that Ack Type subdomains carry is data buffer storage status indication information.Than Such as, TID subdomains take retention 13, then it represents that Ack Type subdomains are More Data subdomains.
Further, in the embodiment of the present invention, access point can also be only to there is the expansion of the confirmation message of data cached website New Per AID TID Info domains are put on display, to carry the information of More Data subdomains, to indicate that the website has in access point side It is data cached.It, can not be to the Per AID TID for confirming that Information expansion is new of the website for no data cached website Info domains, that is to say, that by way of not extending Per AID TID Info domains, the website, access point are informed come what is implied The not no website in side it is data cached.
Below by a specific example, the implementation process of the embodiment of the present invention is illustrated.In the present embodiment, if AP Need to send multi-site block acknowledgement frames to 2 users (STA1 corresponding As ID 1, STA2 corresponding A ID2), STA1 have TID for 1 really Recognize information, STA2 has the confirmation message that TID is 2.AP sides have STA1 data cached, without the data cached of STA2.At this point, AP to STA1, STA2 send the M-BA frames of broadcast, as shown in figure 9, other domains are omitted in Fig. 9, only describe BA The indicating mode in Information domains, as seen from the figure, the TID that STA1 is carried in BA Information domains is 1 confirmation letter Breath, and another Per AID TID Info domain is carried, being set to 13 by TID, (AID subdomains include the association mark of STA1 Know AID), represent that the ACK Type subdomains in the subdomain are More Data subdomains, and More Data subdomains are set to 1, table It is shown with the data cached of the website.Since AP sides do not have that STA2's is data cached, when being indicated to STA2, Fig. 9 may be used Mode can also be by the way of Figure 10.Fig. 9 does not carry caching instruction, is equivalent to for the mode that STA2 is implicit instruction Do not have data cached, and Figure 10 is the mode for showing instruction for STA2, indicates not cache number by carrying caching instruction According to.
In summary, the embodiment of the present invention in BA information domains by expanding new Per AID TID The mode in Info domains, to carry the data buffer storage status indication information of multi-site, solving can not lead to well in the prior art Cross the problem of Multi-STA BA carry out data buffer storage instruction to multiple confirmation users.
In the third embodiment of the present invention, a kind of sending method of user's confirmation message is provided, as shown in figure 11, packet It includes：
Step S1101, access point receive the radio frames that multiple websites are sent；
Step S1102, the reservation bit position in the BA Control domains that access point passes through Multi-STA BA carry each The data buffer storage status indication information of website, and send the multi-site block acknowledgement frame to each website.
The embodiment of the present invention is multiple website confirmation messages in view of the BA information domains of Multi-STA BA Combination, i.e., BA information domains contain the confirmation message of multiple websites.So in the embodiment of the present invention, pass through BA Reservation bit position caches to indicate in BA information domains that top n difference website exists in access point side in Control domains Data.Wherein, N is the number that access point side has data cached website.That is, in the present embodiment, BA is being filled in During the information in information domains, before the confirmation message with data cached website is placed on, without data cached The confirmation message of website puts posterior mode and carries out information solicitation.Website side can be according to N values and this website really in this way Ranking value of the information in each website confirmation message is recognized, to determine the data buffer storage state of this website.
It should be pointed out that having a case that multiple confirmation messages for a website, the embodiment of the present invention is in setting N When, as a website come from the point of view of, that is to say, that N values are that have the number of data cached website rather than each website tool The number of how many confirmation message.Similarly, website side is in confirmation message of the confirmation message for determining oneself in all websites Sequence when, still as unit of website rather than as unit of confirmation message.
Specifically, it is reservation bit to have 7 bits in BA Control domains at present.A few bits therein may be used herein The numerical value represented is come to indicate in BA Information the More Data values of the continuous several different websites in front be 1, such as Figure 12 It is shown.The continuous several differences in front in BA Information domains are indicated by the combined value of several bits in BA Control domains The More Data values of website are 1.
For example indicate the continuous several different stations in front in BA Information using 3 bits in BA Control The More Data values of point are 1.3 bits can be combined into 8 kinds of different meanings.For example, 3 bits are complete 1, then it represents that BA The More Data information of preceding 7 different users is 1 in Information domains；3 bits are full 0, represent BA Information The More Data information of all users is 0 in domain.
In the present embodiment, the website for indicating that more data are 1 is shown by BA Control domains, and for more Data for 0 website is indicated by implicit mode.This indicating mode needs access point filling in each website really When recognizing information, according to the website that more data are 1 preceding, the posterior mode of website that more data are 0 is filled in.
Below by a specific example, the implementation process of the embodiment of the present invention is illustrated.In the present embodiment, if AP It needs to send acknowledgement frame to three users (STA1, STA2, STA3), there are two the confirmation messages of TID (TID1 and TID2) by STA1. There are STA1 in AP sides, and STA3's is data cached, without the data cached of STA2.It is broadcasted at this point, AP is sent to STA1, STA2 and STA3 M-BA frames, as shown in figure 13.In fig. 13, other domains are omitted, contain only BA Control domains and BA Information domains.Wherein, the TID1 confirmation messages of STA1, the confirmation message of the TID2 of STA1, the confirmation message of STA3 and The confirmation message of STA2 belongs to BA Information, all comprising Per AID TID domains, Block ACK Starting Sequence Control domains and Block ACK Bitmap domains, it is also possible to certain domains are omitted by the instruction of certain bits, such as Whether ACK Type subdomains indicate Block ACK Starting Sequence Control domains and Block ACK Bitmap domains It omits.The More Data domains of preceding 2 different users are 1 in the instruction BA Information domains of BA Control domains.In this way The More Data domains of the first two user STA1 and STA3 are 1 in Multi-STA BA.
In summary, the embodiment of the present invention is delayed by the reservation bit position in BA Control domains come the data to each website The state of depositing is indicated that solving can not confirm users into line number well by Multi-STA BA to multiple in the prior art The problem of being indicated according to caching.
In the fourth embodiment of the present invention, a kind of sending method of user's confirmation message is provided, as shown in figure 14, packet It includes：
Step S1401, access point receive the radio frames that multiple websites are sent；
Step S1402, access point pass through Block ACK Starting Sequence Control in Multi-STA BA Reservation bit in domain, to carry the data buffer storage status indication information of each website, and true to each website transmission multi-site block Recognize frame.
Specifically, the embodiment of the present invention continues to use the frame format of existing Multi-STA BA.By being multiplexed Multi-STA A bit in the Block Ack Starting Sequence Control domains of BA frames indicates whether to carry More Data Information.In one particular embodiment of the present invention, Block Ack Starting Sequence Control domains include two Subdomain, specially fragment number (Fragment Number) subdomain and starting sequence number (Starting Sequence Number) Subdomain.The embodiment of the present invention, can be by by the Fragment in Block Ack Starting Sequence Control domains The bit 3 (Bit 3) of Number subdomains is for carrying out buffer status instruction.As shown in figure 15.Figure 15 is described existing On the basis of Multi-STA BA frame formats, using Block Ack Starting Sequence Control domains to each use The method that family indicates cache information.
In summary, the embodiment of the present invention passes through the guarantor in Block Ack Starting Sequence Control domains Bit is stayed, indicates that solving can not pass through well in the prior art come the data buffer storage state to each website The problem of Multi-STA BA carry out data buffer storage instruction to multiple confirmation users.
In the fifth embodiment of the present invention, a kind of sending method of user's confirmation message is provided, the embodiment of the present invention is led to It crosses with reference to concrete application scene, the implementation process of the present invention is illustrated.
In the embodiment of the present invention, AP sends trigger frame, triggers this to multiple users, such as STA1, STA2, STA3, STA4 Four users are carried out at the same time uplink.After the upstream data of STA1, STA2, STA3 and STA4 is received, to this four users Multi-STA BA confirmations are carried out, and passes through Multi-STA BA and confirms instruction AP sides there are the data cached of STA1 and STA3, There is no that STA2's and STA4 is data cached.AP may be used in first embodiment to fourth embodiment described in any one embodiment Mode indicate cache informations to four users, specific frame interactive process is as shown in figure 16.
In the embodiment of the present invention, AP carry out multi-user's confirmation and carry caching instruction process can be combined with other technologies It uses.Such as in target wake-up time (Target Wake Time, TWT), AP sends Multi-STA BA to multiple users Frame, and carry caching instruction or AP have sent one carrying random access resource trigger frame.Certain site by connecing at random Enter resource and send uplink frame, AP carries caching to when the user of random access resource being used to carry out Multi-STA BA confirmations Instruction.
A kind of sending method of user's confirmation message is provided in the sixth embodiment of the present invention, this method is applied to website Side, as shown in figure 17, the method includes：
Step S1701, website send radio frames to access point；
Step S1702, website are taken after the multi-site block acknowledgement frame for receiving access point transmission in multi-site block acknowledgement frame The data buffer storage status indication information of this website is obtained in the multi-site data buffer storage status indication information of band.
In the embodiment of the present invention, in the multi-site data buffer storage status indication information that website is carried in multi-site block acknowledgement frame Multistation will be carried with access point side in multi-site block acknowledgement frame by obtaining the mode of the data buffer storage status indication information of this website The mode of point data buffer status instruction information matches.Just the access point with reference to described in first to fourth embodiment is realized below The mode of multi-site data buffer storage status indication information is carried in Multi-STA BA, website is obtained in Multi-STA BA The process of the data buffer storage status indication information of this website is taken to illustrate.
When access point carries by the station state information field that is expanded in Multi-STA BA the data of each website When buffer status indicates information, website obtains the side of the data buffer storage status indication information of this website in multi-site block acknowledgement frame Formula includes：
Website parses the Multi-STA BA received, and our station is got in the information field extended in Multi-STA BA The data buffer storage status indication information of point.Specifically, website parses Multi-STA BA, indicated when parsing BA control domains When the frame type of multi-site block acknowledgement frame is the multi-site block acknowledgement frame with extension information field, increased newly from for each website Station state information field in parse the data buffer storage status indication information of this website.
In addition, by first embodiment it is found that access point side, which can also be directed to each access category, carries (access Category, AC) buffer status instruction, that is, for four access category (Best effort in existing 802.11 agreement (BE), Background (BK), Voice (VO), Video (VI)) indicate respectively whether have it is data cached.When access point side issues Multi-STA BA in data cached instructions are carried out to four access categories after, can after website receives the Multi-STA BA Economize on electricity inquiry frame is sent to be shown with the access category of lowest priority in data cached access category according to four AC middle fingers (PS-Poll, Power Save-Poll) or to be shown with highest in data cached access category using four AC middle fingers preferential The access category of grade sends economize on electricity inquiry frame.
When access point carries each station by the Per AID TID Info subdomains expanded in Multi-STA BA During the data buffer storage status indication information of point, website obtains the data buffer storage state instruction of this website in multi-site block acknowledgement frame The mode of information includes：
The Multi-STA BA, the Per AID TID Info expanded in Multi-STA BA that website parsing receives The data buffer storage status indication information of this website is got in subdomain.Specifically, website parses Multi-STA BA, work as Multi- The TID subdomains instruction ACK type subdomains in Per AID TID Info domains corresponding with this website carry data and delay in STA BA When depositing status indication information, the data that this website is extracted from the ACK type subdomains in the Per AID TID Info domains are delayed Deposit status indication information.
When access point is by the reservation bit position in the BA Control domains of Multi-STA BA, the number of each website is carried When indicating information according to buffer status, website obtains the data buffer storage status indication information of this website in multi-site block acknowledgement frame Mode includes：
Website parses Multi-STA BA, obtains the value N of reservation bit position in BA control domains, and detect this website Ranking value of the corresponding BA information domains in all BA information domains, when ranking value is less than or equal to N, really It is access point side there are data cached to make the data buffer storage status indication information of this website, otherwise, it determines going out the number of this website According to buffer status instruction information, for access point side, there is no data cached.
Retain when in Block ACK Starting Sequence Control domains during access point is by Multi-STA BA Bit, come when carrying the data buffer storage status indication information of each website, website obtains this website in multi-site block acknowledgement frame The mode of data buffer storage status indication information includes：
Website parses Multi-STA BA, the Block ACK Starting corresponding with this website from Multi-STA BA The data buffer storage status indication information of this website is extracted in the reserved bit in Sequence Control domains.More specifically, it stands Point Block ACK Starting Sequence Control domains corresponding with this website from Multi-STA BA The data buffer storage status indication information of this website is extracted in the reserved bit of Fragment Number subdomains.For example, The data buffer storage status indication information of this website is extracted in the bit 3 of Fragment Number subdomains.
In summary, it using the website of the method for the embodiment of the present invention, realizes to carrying multi-site data buffer storage The parsing of the Multi-STA BA of state, and therefrom get the data buffer storage status indication information of this website.
A kind of access point is provided in the seventh embodiment of the present invention, as shown in figure 18, including：
Frame receiving module 1801, for receiving the radio frames that multiple websites are sent；
Frame acknowledgment processing module 1802, for carrying the data buffer storage shape of each website in multi-site block acknowledgement frame State indicates information, and sends the multi-site block acknowledgement frame to each website.
In the embodiment of the present invention, frame acknowledgment processing module 1802, specifically for carrying out information field to multi-site block acknowledgement frame Extension, and pass through the data buffer storage status indication information that the information field expanded carries each website；Alternatively, pass through multi-site block The reservation bit position for the information field specified in acknowledgement frame carries the data buffer storage status indication information of each website.
Wherein, the information field expanded is located in the BA information domains of multi-site block acknowledgement frame.
In one particular embodiment of the present invention, the information field expanded includes：The station increased newly for each website Three-point state information domain, alternatively, the Per AID TID Info domains increased newly for each website.
When the information field expanded includes the station state information field increased newly for each website, frame acknowledgment processing mould The data buffer storage status indication information of each website is added to the website of each website increased newly in multi-site block acknowledgement frame by block 1802 The frame type of this multi-site block acknowledgement frame is indicated in status information domain and by the BA control domains of multi-site block acknowledgement frame To have the multi-site block acknowledgement frame of extension information field；
When the information field expanded includes the Per AID TID Info domains increased newly for each website, at frame acknowledgment Module 1802 is managed, the data buffer storage status indication information of each website is added to each website newly-increased in multi-site block acknowledgement frame In the ACK type subdomains in Per AID TID Info domains and pass through the TID in each newly-increased Per AID TID Info domains Subdomain instruction ACK type subdomains carry data buffer storage status indication information.
Specifically, frame acknowledgment processing module 1802 is by enabling the TID subdomains in each newly-increased Per AID TID Info domains The bit value that certain is taken to retain, to indicate that ACK type subdomains carry data buffer storage status indication information.
In one particular embodiment of the present invention, the information field specified includes：BA control domains, alternatively, Block ACK Starting Sequence Control domains.Optionally, the information field specified is Block ACK Starting The Fragment Number subdomains in Sequence Control domains.
When specified information field is BA control domains, frame acknowledgment processing module 1802 passes through multi-site block acknowledgement frame BA Control domains in reservation bit position indicate in BA information domains that top n difference website exists in access point side It is data cached；Wherein, N is the number that access point side has data cached website；
When specified information field is Block ACK Starting Sequence Control domains, frame acknowledgment processing mould The data buffer storage status indication information of each website is added in the BA information domains of multi-site block acknowledgement frame by block 1802 Reservation bit position in the Block ACK Starting Sequence Control domains of each website.
Described access point of the embodiment of the present invention, by modifying to Multi-STA BA so that it can carry multistation Point data buffer storage status indication information, solve in the prior art can not by Multi-STA BA to it is multiple confirmation users into The problem of row data buffer storage indicates.
In the eighth embodiment of the present invention, a kind of website is provided, as shown in figure 19, including：
Frame sending module 1901, for sending radio frames to access point；
Data obtaining module 1902, for receive described access point transmission multi-site block acknowledgement frame after, described The data buffer storage state instruction of this website is obtained in the multi-site data buffer storage status indication information that multi-site block acknowledgement frame carries Information.
Specifically, in the embodiment of the present invention, data obtaining module 1902 passes through extension in the multi-site block acknowledgement frame The data buffer storage status indication information of this website is got in the multi-site data buffer storage status indication information that information field carries；Or Person is referred in the multi-site block acknowledgement frame by the multi-site data buffer storage state that the reservation bit position of specified information field carries Show the data buffer storage status indication information that this website is got in information.
Wherein, the information field of extension is located in the block confirmation message BA information domains of multi-site block acknowledgement frame.
In one particular embodiment of the present invention, the information field of extension includes：The website increased newly for each website Status information domain, alternatively, the Per AID TID Info domains increased newly for each website.
When the information field of extension includes the station state information field increased newly for each website, data obtaining module 1902, the multi-site block acknowledgement frame is parsed, when the frame type for parsing BA control domains instruction multi-site block acknowledgement frame is During with the multi-site block acknowledgement frame for extending information field, parsed from the station state information field increased newly for each website The data buffer storage status indication information of this website；
When the information field of extension includes the Per AID TID Info domains increased newly for each website, acquisition of information mould Block 1902 parses the multi-site block acknowledgement frame, as Per AID TID corresponding with this website in the multi-site block acknowledgement frame When the TID subdomains instruction ACK type subdomains in Info domains carry data buffer storage status indication information, from the Per AID TID The data buffer storage status indication information of this website is extracted in ACK type subdomains in Info domains.
In one particular embodiment of the present invention, the information field specified includes：BA control domains, alternatively, Block ACK Starting Sequence Control domains.In an alternate embodiment of the present invention where, the information field specified is The Fragment Number subdomains in Block ACK Starting Sequence Control domains.
When specified information field is BA control domains, data obtaining module 1902, specifically for parsing the multistation Point block acknowledgement frame, obtains the value N of reservation bit position in BA control domains, and detect the corresponding BA of this website Ranking value of the information domains in all BA information domains when ranking value is less than or equal to N, determines our station The data buffer storage status indication information of point is access point side there are data cached, otherwise, it determines going out the data buffer storage shape of this website There is no data cached for access point side for state instruction information；
When specified information field is Block ACK Starting Sequence Control domains, data obtaining module 1902, specifically for parsing the multi-site block acknowledgement frame, the Block corresponding with this website from the multi-site block acknowledgement frame The data buffer storage status indication information of this website is extracted in the reserved bit in ACK Starting Sequence Control domains.
In summary, website described in the embodiment of the present invention is realized to carrying multi-site data buffer storage state The parsing of Multi-STA BA, and therefrom get the data buffer storage status indication information of this website.
In this specification, access point and website embodiment, due to its substantially similar and embodiment of the method, so, description Fairly simple, the relevent part can refer to the partial explaination of embodiments of method.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment is can It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage Medium can include：ROM, RAM, disk or CD etc..
In short, the foregoing is merely illustrative of the preferred embodiments of the present invention, it is not intended to limit the scope of the present invention. All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in the present invention's Within protection domain.

Claims (30)

1. a kind of sending method of user's confirmation message, which is characterized in that including：
Access point receives the radio frames that multiple websites are sent；
Access point carries the data buffer storage status indication information of each website in multi-site block acknowledgement frame, and to each described Website sends the multi-site block acknowledgement frame.
2. the method as described in claim 1, which is characterized in that described access point carries each institute in multi-site block acknowledgement frame The data buffer storage status indication information of website is stated, including：
Described access point carries out information field extension to multi-site block acknowledgement frame, and passes through the information field expanded and carry each website Data buffer storage status indication information；
Alternatively, described access point carries each website by the reservation bit position of information field specified in multi-site block acknowledgement frame Data buffer storage status indication information.
3. method as claimed in claim 2, which is characterized in that the information field expanded is located at multi-site block acknowledgement frame In block confirmation message BA information domains.
4. method as claimed in claim 2 or claim 3, which is characterized in that the information field expanded includes：For each station The newly-increased station state information field of point, alternatively, the Per AID TID Info domains increased newly for each website.
5. method as claimed in claim 4, which is characterized in that described access point carries each station in multi-site block acknowledgement frame The data buffer storage status indication information of point, including：
The data buffer storage status indication information of each website is added to each station increased newly in multi-site block acknowledgement frame by described access point Confirm that control BA control domains indicate this multistation in the station state information field of point and by the block of multi-site block acknowledgement frame The frame type of point block acknowledgement frame is the multi-site block acknowledgement frame with extension information field；
Alternatively, the data buffer storage status indication information of each website is added to what is increased newly in multi-site block acknowledgement frame by described access point In the ACK type subdomains in the Per AID TID Info domains of each website and pass through each newly-increased Per AID TID Info domains In TID subdomains instruction ACK type subdomains carry data buffer storage status indication information.
6. method as claimed in claim 5, which is characterized in that described access point is by enabling each newly-increased Per AID TID TID subdomains in Info domains take certain bit value retained, to indicate that ACK type subdomains carry data buffer storage status indication information.
7. method as claimed in claim 2, which is characterized in that the information field specified includes：BA control domains or Person, block confirm starting sequence number control Block ACK Starting Sequence Control domains.
8. the method for claim 7, which is characterized in that the information field specified includes Block ACK Starting The fragment number Fragment Number subdomains in Sequence Control domains.
9. method as claimed in claim 7 or 8, which is characterized in that described access point carries often in multi-site block acknowledgement frame The data buffer storage status indication information of a website, including：
Top n in BA information domains is indicated by reservation bit position in the BA Control domains of multi-site block acknowledgement frame There are data cached in access point side for different websites；Wherein, N is the number that access point side has data cached website；
Alternatively, the data buffer storage status indication information of each website is added to the BA of multi-site block acknowledgement frame by described access point Reservation bit position in information domains in the Block ACK Starting Sequence Control domains of each website.
10. a kind of sending method of user's confirmation message, which is characterized in that including：
Website sends radio frames to access point；
Website carries more after the multi-site block acknowledgement frame for receiving described access point transmission in the multi-site block acknowledgement frame The data buffer storage status indication information of this website is obtained in station data buffer status instruction information.
11. method as claimed in claim 10, which is characterized in that the website carries more in the multi-site block acknowledgement frame The data buffer storage status indication information of this website is obtained in station data buffer status instruction information, including：
The multi-site data buffer storage state instruction that the website is carried in the multi-site block acknowledgement frame by the information field of extension The data buffer storage status indication information of this website is got in information；
Alternatively, the multi-site that the website is carried in the multi-site block acknowledgement frame by the reservation bit position of specified information field The data buffer storage status indication information of this website is got in data buffer storage status indication information.
12. method as claimed in claim 11, which is characterized in that the information field of the extension is located at multi-site block acknowledgement frame In block confirmation message BA information domains.
13. the method as described in claim 11 or 12, which is characterized in that the information field of the extension includes：It is each described The station state information field that website increases newly, alternatively, the Per AID TID Info domains increased newly for each website.
14. method as claimed in claim 13, which is characterized in that the website carries more in the multi-site block acknowledgement frame The data buffer storage status indication information of this website is obtained in station data buffer status instruction information, including：
The website parses the multi-site block acknowledgement frame, when the frame for parsing BA control domains instruction multi-site block acknowledgement frame When type is the multi-site block acknowledgement frame with extension information field, from the station state information field increased newly for each website Parse the data buffer storage status indication information of this website.
Alternatively, the website parses the multi-site block acknowledgement frame, when corresponding with this website in the multi-site block acknowledgement frame When the TID subdomains instruction ACK type subdomains in Per AID TID Info domains carry data buffer storage status indication information, from this The data buffer storage status indication information of this website is extracted in ACK type subdomains in Per AID TID Info domains.
15. method as claimed in claim 11, which is characterized in that the information field specified includes：BA control domains or Person, Block ACK Starting Sequence Control domains.
16. method as claimed in claim 15, which is characterized in that the information field specified includes：Block ACK The fragment number Fragment Number subdomains in Starting Sequence Control domains.
17. the method as described in claim 15 or 16, which is characterized in that the website is carried in the multi-site block acknowledgement frame Multi-site data buffer storage status indication information in obtain the data buffer storage status indication information of this website, including：
The website parses the multi-site block acknowledgement frame, obtains the value N of reservation bit position in BA control domains, and detect Ranking value of the corresponding BA information domains of this website in all website BA information domains, when ranking value is less than During equal to N, determine that the data buffer storage status indication information of this website is access point side there are data cached, otherwise, it determines going out There is no data cached for access point side for the data buffer storage status indication information of this website；
Alternatively, the website parses the multi-site block acknowledgement frame, it is corresponding with this website from the multi-site block acknowledgement frame The data buffer storage state instruction of this website is extracted in the reserved bit in Block ACK Starting Sequence Control domains Information.
18. a kind of access point, which is characterized in that including：
Frame receiving module, for receiving the radio frames that multiple websites are sent；
Frame acknowledgment processing module, for carrying the data buffer storage state instruction letter of each website in multi-site block acknowledgement frame Breath, and send the multi-site block acknowledgement frame to each website.
19. access point as claimed in claim 18, which is characterized in that the frame acknowledgment processing module, specifically for multistation Point block acknowledgement frame carries out information field extension, and passes through the data buffer storage state instruction letter that the information field expanded carries each website Breath；Alternatively, by the reservation bit position of information field specified in multi-site block acknowledgement frame, the data buffer storage shape of each website is carried State indicates information.
20. access point as claimed in claim 19, which is characterized in that the information field expanded is located at the confirmation of multi-site block In the block confirmation message BA information domains of frame.
21. the access point as described in claim 19 or 20, which is characterized in that the information field expanded includes：It is each The station state information field that the website increases newly, alternatively, the Per AID TID Info domains increased newly for each website.
22. access point as claimed in claim 21, which is characterized in that the frame acknowledgment processing module, specifically for by each station Point data buffer storage status indication information be added in multi-site block acknowledgement frame increase newly each website station state information field in, And confirm that control BA control domains indicate that the frame type of this multi-site block acknowledgement frame is by the block of multi-site block acknowledgement frame Multi-site block acknowledgement frame with extension information field；Alternatively, the data buffer storage status indication information of each website is added to multistation In the ACK type subdomains in the PerAID TID Info domains of each website increased newly in point block acknowledgement frame and by each newly-increased TID subdomains instruction ACK type subdomains in Per AID TID Info domains carry data buffer storage status indication information.
23. access point as claimed in claim 19, which is characterized in that the information field specified includes：BA control domains, Alternatively, block confirms starting sequence number control Block ACK Starting Sequence Control domains.
24. access point as claimed in claim 23, which is characterized in that the frame acknowledgment processing module is more specifically for passing through Reservation bit position indicates that top n difference website exists in BA information domains in the BA Control domains of website block acknowledgement frame There are data cached for access point side；Alternatively, the data buffer storage status indication information of each website is added to multi-site block acknowledgement frame BA information domains in each website Block ACK Starting Sequence Control domains in reservation bit Position；Wherein, N is the number that access point side has data cached website.
25. a kind of website, which is characterized in that including：
Frame sending module, for sending radio frames to access point；
Data obtaining module, for receive described access point transmission multi-site block acknowledgement frame after, in the multi-site block The data buffer storage status indication information of this website is obtained in the multi-site data buffer storage status indication information that acknowledgement frame carries.
26. website as claimed in claim 25, which is characterized in that described information acquisition module, specifically in the multistation The number of this website is got in the multi-site data buffer storage status indication information that point block acknowledgement frame is carried by the information field of extension Information is indicated according to buffer status；Alternatively, it is carried in the multi-site block acknowledgement frame by the reservation bit position of specified information field Multi-site data buffer storage status indication information in get the data buffer storage status indication information of this website.
27. website as claimed in claim 26, which is characterized in that the information field of the extension includes：For each website Newly-increased station state information field, alternatively, the Per AID TID Info domains increased newly for each website.
28. website as claimed in claim 27, which is characterized in that described information acquisition module is described more specifically for parsing Website block acknowledgement frame, when the frame type for parsing BA control domains instruction multi-site block acknowledgement frame is with extension information field During multi-site block acknowledgement frame, the data buffer storage of this website is parsed from the station state information field increased newly for each website Status indication information；
Alternatively, the multi-site block acknowledgement frame is parsed, as Per AID corresponding with this website in the multi-site block acknowledgement frame When the TID subdomains instruction ACK type subdomains in TID Info domains carry data buffer storage status indication information, from the Per AID The data buffer storage status indication information of this website is extracted in ACK type subdomains in TID Info domains.
29. website as claimed in claim 26, which is characterized in that the information field specified includes：BA control domains or Person, Block ACK Starting Sequence Control domains.
30. website as claimed in claim 29, which is characterized in that described information acquisition module is described more specifically for parsing Website block acknowledgement frame obtains the value N of reservation bit position in BA control domains, and detects the corresponding BA of this website Ranking value of the information domains in all website BA information domains when ranking value is less than or equal to N, is determined The data buffer storage status indication information of this website is access point side there are data cached, otherwise, it determines the data for going out this website are delayed Depositing status indication information, there is no data cached for access point side；Alternatively, the multi-site block acknowledgement frame is parsed, from the multistation It is extracted in the reserved bit in Block ACK Starting Sequence Control domains corresponding with this website in point block acknowledgement frame Go out the data buffer storage status indication information of this website.
CN201611260638.4A 2016-12-30 2016-12-30 Sending method, access point and the website of user's confirmation message Pending CN108270530A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113316954A (en) * 2019-11-08 2021-08-27 北京小米移动软件有限公司 Indication method, receiving method, device, communication equipment and storage medium
WO2023056608A1 (en) * 2021-10-08 2023-04-13 北京小米移动软件有限公司 Communication method and communication apparatus

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113316954A (en) * 2019-11-08 2021-08-27 北京小米移动软件有限公司 Indication method, receiving method, device, communication equipment and storage medium
CN113316954B (en) * 2019-11-08 2023-04-04 北京小米移动软件有限公司 Indication method, receiving method, device, communication equipment and storage medium
WO2023056608A1 (en) * 2021-10-08 2023-04-13 北京小米移动软件有限公司 Communication method and communication apparatus

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Application publication date: 20180710