CN103686934A - Data receiving method and data sending method, and equipment - Google Patents
Data receiving method and data sending method, and equipment Download PDFInfo
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- CN103686934A CN103686934A CN201210327247.5A CN201210327247A CN103686934A CN 103686934 A CN103686934 A CN 103686934A CN 201210327247 A CN201210327247 A CN 201210327247A CN 103686934 A CN103686934 A CN 103686934A
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Abstract
The embodiment of the invention provides a data receiving method and a data sending method, and equipment. The receiving method comprises the following steps: beacon frames are broadcast by AP, and carry at least one first instruction information and second instruction information corresponding to each first instruction information; the first instruction information is used for identifying the station (STA) of uploading data, which is indicated by the AP, and the second instruction information is used for identifying the time window, which is indicated by the AP for STA to upload data and identified by the first instruction information corresponding to the second instruction information; uplink data sent by a first STA are received by the AP, and the uplink data is sent in the time window identified by the second instruction information corresponding to the first instruction information after data needed to be uploaded to AP is determined by the first STA according to the received first instruction information in the beacon frames. Through the adoption of the technical scheme, wasting of resources caused by a crash generated when STA is used for passively uploading data is reduced.
Description
Technical field
The present invention relates to the communication technology, relate in particular to a kind of data receive method, sending method and equipment.
Background technology
In the application scenarios of 802.11ah, can support at most 6000 transducer websites (Station, referred to as STA).These STA are generally some Intelligent reading meter apparatus, such as being the device that water meter, ammeter, gas meter etc. are read.STA need to be to the control appliance of far-end, for example wireless access accessing points (Access Point, referred to as AP) uploading data.At present, there are two kinds of application demands to AP uploading data in STA, is respectively active upload demand and the passive demand of uploading.
For active upload demand, STA normally adopts active upload mode, with certain transmission cycle regularly to AP uploading data.For the passive demand of uploading, do not have at present good solution.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of data receive method, sending method and equipment, in order to realize the passive of data, uploads.
First aspect provides a kind of data receive method, comprising:
Wireless access point AP broadcast beacon frame, described beacon frame carries at least one first indication information and the second indication information corresponding to each first indication information, described the first indication information is for identifying the site STA of described AP indication uploading data, and described the second indication information is for the time window of the STA uploading data that identifies described AP indication described first indication information corresponding with described the second indication information and identify;
Described AP receives the upstream data that a STA sends, described upstream data is that a described STA determines and need to, after described AP uploading data, in the time window identifying, send at the second indication information corresponding to described the first indication information according to the first indication information in the described beacon frame receiving.
Second aspect provides a kind of data transmission method for uplink, comprising:
The first site STA receives the beacon frame of wireless access point AP broadcast, described beacon frame carries at least one first indication information and the second indication information corresponding to each first indication information, described the first indication information is for identifying the STA of described AP indication uploading data, and described the second indication information is for the time window of the STA uploading data that identifies described AP indication described first indication information corresponding with described the second indication information and identify;
A described STA determines self according to described at least one first indication information need to be after described AP uploading data, determine need to be corresponding to the first indication information of described AP uploading data the time window that identifies of the second indication information in to described AP, send upstream data.
The 3rd invention provides a kind of wireless access point AP, comprising:
Sending module, for broadcast beacon frame, described beacon frame carries at least one first indication information and the second indication information corresponding to each first indication information, described the first indication information is for identifying the site STA of described AP indication uploading data, and described the second indication information is for the time window of the STA uploading data that identifies described AP indication described first indication information corresponding with described the second indication information and identify;
Receiver module, the upstream data sending for receiving a STA, described upstream data is that a described STA determines and need to, after described AP uploading data, in the time window identifying, send at the second indication information corresponding to described the first indication information according to the first indication information in the described beacon frame receiving.
Fourth aspect provides a kind of site STA, comprising:
Receiver module, for receiving the beacon frame of wireless access point AP broadcast, described beacon frame carries at least one first indication information and the second indication information corresponding to each first indication information, described the first indication information is for identifying the STA of described AP indication uploading data, and described the second indication information is for the time window of the STA uploading data that identifies described AP indication described first indication information corresponding with described the second indication information and identify;
Sending module, need to be after described AP uploading data for determining described STA according to described at least one first indication information, determine need to be corresponding to the first indication information of described AP uploading data the time window that identifies of the second indication information in to described AP, send upstream data.
The data receive method that the embodiment of the present invention provides, sending method and equipment, AP by beacon frame, carry sign AP indication uploading data STA at least one first indication information and be used to indicate the second indication information of the time window of the STA uploading data that each first indication information identifies, make in time window that STA that each first indication information identifies identifies at the second indication information corresponding with this first indication information to AP uploading data, realize STA by trend AP uploading data, met the existing passive demand of uploading.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
The flow chart of the data receive method that Fig. 1 provides for one embodiment of the invention;
The AP that Fig. 2 provides for one embodiment of the invention carries a kind of implementation structure of the first indication information and the second indication information simultaneously by newly-increased IE;
Fig. 3 carries a kind of implementation structure of the first indication information and the second indication information for the AP that one embodiment of the invention provides simultaneously by multiplexing IE;
Fig. 4 carries the another kind of implementation structure of the first indication information and the second indication information for the AP that one embodiment of the invention provides simultaneously by multiplexing IE;
The AP that Fig. 5 provides for one embodiment of the invention carries a kind of implementation structure of the first indication information, the second indication information and the 3rd indication information simultaneously by newly-increased IE;
Fig. 6 carries a kind of implementation structure of the first indication information, the second indication information and the 3rd indication information for the AP that one embodiment of the invention provides simultaneously by multiplexing IE;
Fig. 7 carries the another kind of implementation structure of the first indication information, the second indication information and the 3rd indication information for the AP that one embodiment of the invention provides simultaneously by multiplexing IE;
The flow chart of the data transmission method for uplink that Fig. 8 provides for one embodiment of the invention;
The structural representation of the AP that Fig. 9 provides for one embodiment of the invention;
The structural representation of the AP that Figure 10 provides for another embodiment of the present invention;
The structural representation of the STA that Figure 11 provides for one embodiment of the invention;
The structural representation of the STA that Figure 12 provides for another embodiment of the present invention.
Embodiment
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Embodiment based in the present invention, those of ordinary skills, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
The flow chart of the data receive method that Fig. 1 provides for one embodiment of the invention.As shown in Figure 1, the method for the present embodiment comprises:
Step 102, AP receive the upstream data that a STA sends, this upstream data is that a STA determines and need to, after AP uploading data, in the time window identifying, send at the second indication information corresponding to the first indication information according to the first indication information in the beacon frame receiving.
In the present embodiment, AP is by carrying at least one (described at least one comprise one and two or more several situations) the first indication information and second indication information corresponding to each first indication information in the beacon frame in broadcast, make in time window that STA that each first indication information identifies identifies at the second indication information corresponding with this first indication information to AP uploading data, realize STA by trend AP uploading data, met the existing passive demand of uploading.
Optionally, if AP is by carrying a plurality of (described a plurality of refer to two or more) the first indication information and the second indication information corresponding to each first indication information in the beacon frame in broadcast, can realize a plurality of STA of indication uploading data are divided into groups, thereby a plurality of STA that make to indicate uploading data respectively in different time windows to AP uploading data, thereby reduced the quantity of while to the STA of AP uploading data, reduce the probability bumping, and then reduced the wasting of resources causing because of collision.
For STA, receive the beacon frame of AP broadcast, according at least one first indication information in beacon frame, judge oneself whether to need to AP uploading data, need to be to AP uploading data if judged, in corresponding time window contention access channel with to AP reported data; If judged, do not need the uploading data to AP, can abandon this beacon frame end operation.Concerning each STA, its processing procedure is identical, therefore the present embodiment be take the i.e. STA of one of them STA() describe as example.
Suppose that a STA is according at least one first indication information in beacon frame, determining oneself need to be to AP uploading data (namely AP indication the one STA be to its uploading data), determine oneself need to be corresponding to the first indication information of AP uploading data the time window that identifies of the second indication information in contention access channel, and after access channel, to AP, send upstream data in competition.Concerning AP, after broadcast beacon frame, receive the upstream data that a STA sends.
Wherein, the mode that AP carries at least one first indication information and the second indication information corresponding to each first indication information by beacon frame can have multiple, illustrates several comparatively preferred implementations below.
A kind of execution mode that AP carries at least one first indication information and the second indication information corresponding to each first indication information by beacon frame is: AP is newly-increased cell units (Information Element in beacon frame, referred to as IE), in this newly-increased IE, carry at least one first indication information and the second indication information corresponding to each first indication information.Optionally, in this embodiment, AP can be used newly-increased IE to carry separately at least one first indication information and the second indication information corresponding to each first indication information.That is to say, this newly-increased IE is only for carrying these first indication informations and the second indication information, for example, these first indication informations and the second indication information take all territories (each IE is divided at least one territory) in this IE, or these first indication informations and the second indication information only take the part territory in this IE, and other territory of this IE is idle.Optionally, in this embodiment, AP can also be used newly-increased IE to carry the second indication information that at least one first indication information, each first indication information are corresponding and other indication informations except at least one first indication information and the second indication information corresponding to each the first indication information simultaneously.That is to say, these first indication informations and the second indication information and other indication informations form this newly-increased IE jointly, and for example the first indication information and the second indication information take the part territory of this IE, and other information take other territories of this IE.
In specific implementation, the second indication information that the first indication information and the first indication information are corresponding can be used as a field and realizes, and this field can be called passive transfer of data (Passive Data Transmission, referred to as PDT).Based on this, as shown in Figure 2, this newly-increased IE comprises the sign (ID) of the IE that this is newly-increased, the length (length) of this newly-increased IE and N PDT to a kind of implementation structure of newly-increased IE; Each PDT comprises the first indication information and the second indication information.As shown in Figure 2, a kind of optional implementation of the second indication information identified time window is: the second indication information comprises initial time (Start time) and the length of window (Duration) of time window.Newly-increased IE shown in Fig. 2 only comprises the first indication information and the second indication information corresponding to the first indication information, but is not limited to this.
The another kind of execution mode that AP carries at least one first indication information and the second indication information corresponding to each first indication information by beacon frame is: the IE having existed in the multiplexing beacon frame of AP carries at least one first indication information and the second indication information corresponding to each first indication information in multiplexing IE.The optional execution mode of the IE having existed in the multiplexing beacon frame of a kind of AP is: AP adds multiplexing indication field in multiplexing IE, according to this multiplexing indication field, in multiplexing IE, carry at least one first indication information and the second indication information corresponding to each first indication information.In other words, AP is by add multiplexing indication field in multiplexing IE, and realizes multiplexing to this IE by multiplexing indication field.
Optionally, this multiplexing indication field comprises multiplexing sign, and AP distinguishes this IE by this multiplexing sign, and current which kind of information what carry be.For example, when multiplexing sign is the first numerical value, AP carries at least one first indication information and the second indication information corresponding to each first indication information in this multiplexing IE.Accordingly, when multiplexing sign is second value, this multiplexing IE is for carrying the original information of carrying of this multiplexing IE.Here the first numerical value and second value are not identical, and its occurrence does not limit.For example, the first numerical value and second value can be respectively 0 and 1, and when the multiplexing sign in multiplexing indication field is 0 like this, what represent that this multiplexing IE carries is the second indication information that the first indication information and the first indication information are corresponding; When the multiplexing sign in multiplexing indication field is 1, what illustrate that this multiplexing IE carries is the information that this multiplexing IE carried originally.
Optionally, above-mentioned multiplexing indication field, except comprising multiplexing sign, can also comprise multiplexing position indication information.AP is by multiplexing sign and multiplexing position indication information, the IE having existed in multiplexing beacon frame more flexibly.For example, at least one first indication information and the second indication information corresponding to each first indication information are carried in the position that AP can this multiplexing position indication information identifies in multiplexing IE.In addition, AP can also carry the first indication information, the second indication information and the original information of carrying of this multiplexing IE that the first indication information is corresponding according to this multiplexing position indication information in this multiplexing IE simultaneously.For example, when multiplexing sign is third value, AP can in multiplexing IE, multiplexing position indication information identifies position carry at least one first indication information and the second indication information corresponding to each first indication information, and the original information of carrying of this multiplexing IE is carried in other positions the position identifying except this multiplexing position indication information in multiplexing IE.
On the basis of the above, optionally, above-mentioned multiplexing indication field can also comprise two multiplexing position indication information, and sign is carried the position of the first indication information and the second indication information corresponding to the first indication information and carried the position of the original information of carrying of this multiplexing IE respectively.
Optionally, a kind of implementation of multiplexing position indication information indicating positions information can be: this multiplexing position indication information comprises original position indication and position length indication.
Optionally, multiplexing IE can be originally for carrying the IE of restriction access window (Restrcted Access Window, referred to as RAW) in beacon frame here.Wherein, RAW is mainly used in identifying AP and to the STA in this RAW group, sends the time window of downlink data.For example, a kind of optional implementation structure of the IE of multiplexing indication RAW as shown in Figure 3, comprises the ID of this IE, the length of this IE, multiplexing indication field and N PDT.In Fig. 3, the multiplexing indication field of take indicates this IE to carry at least one first indication information and the second corresponding indication information is example, therefore that carry after multiplexing indication field in Fig. 3 is N PDT.As shown in Figure 3, each PDT comprises the first indication information and the second indication information corresponding to the first indication information.As shown in Figure 3, a kind of optional implementation of the second indication information identified time window is: the second indication information comprises initial time (Start time) and the length of window (Duration) of time window.Multiplexing IE shown in Fig. 3 only carries the first indication information and the second indication information corresponding to the first indication information, but is not limited to this.Again for example, the optional implementation structure of another kind of the IE of multiplexing indication RAW as shown in Figure 4, comprises the ID of this IE, the length of this IE, multiplexing indication field and K PDT and M RAW.In Fig. 4, the multiplexing indication field of take indicates this IE to carry the first indication information simultaneously and corresponding the second indication information and the original RAW carrying of this IE is example, therefore carry PDT and RAW in Fig. 4 after multiplexing indication field simultaneously.As shown in Figure 4, each RAW comprises RAW group (Group) ID, and for identifying the STA of downlink data receiving, initial time and length of window, for identifying the time window that allows the STA downlink data receiving that this RAW group ID identifies.
Based on above-mentioned each optional execution mode, in another optional execution mode, the beacon frame of AP broadcast also carries the 3rd indication information that each first indication information is corresponding.The 3rd indication information received the time of the uploading data indication information of AP transmission before uploading data for the STA that identifies AP indication the first indication information corresponding with the 3rd indication information and identify.The uploading data indication information is here mainly used in the condition of indicating uploading data satisfied.The satisfied condition of uploading data can be according to the difference of far-end application and difference can be the satisfied data type of requirement uploading data and/or time range etc. such as this condition.For example, for each the first indication information, the 3rd indication information of its correspondence all can indicate STA after receiving beacon frame, to receive immediately the uploading data indication information that AP sends, the STA that each first indication information identifies like this can receive immediately the uploading data indication information that AP sends after receiving this beacon frame, but is not limited to this.For example, AP can also specify for the STA that different the first indication informations identify the time of different reception uploading data indication informations, and the 3rd indication information that different the first indication informations are corresponding is not identical.
Based on above-mentioned, the upstream data that AP receives a STA transmission comprises before: the time that AP identifies at the 3rd indication information, the STA identifying to the first indication information corresponding to the 3rd indication information sends uploading data indication information.Based on this, the upstream data that AP receives a STA transmission is specially: AP receives the indicated upstream data of uploading data indication information that a STA sends.For example, if uploading data indication information is used to indicate the type of uploading data, a STA sends the upstream data of the indicated type of uploading data indication information to AP; If uploading data indication information is used to indicate the time range of uploading data, a STA sends the upstream data in the indicated time range of uploading data indication information to AP, etc.
Optionally, the first indication information, the second indication information and the 3rd indication information corresponding to the first indication information that the first indication information is corresponding can be used as a field, and for example PDT realizes.
Based on above-mentioned, a kind of optional execution mode that AP carries the first indication information, the second indication information and the 3rd indication information simultaneously in beacon frame is: AP can increase IE newly in beacon frame, carries the first indication information, the second indication information and the 3rd indication information in newly-increased IE simultaneously.Optionally, AP can independently carry the first indication information, the second indication information and the 3rd indication information in newly-increased IE.Optionally, AP can also carry the first indication information, the second indication information, the 3rd indication information and other indication informations except the first indication information, the second indication information and the 3rd indication information in newly-increased IE simultaneously.A kind of optional implementation structure that AP carries the first indication information, the second indication information and the 3rd indication information in newly-increased IE simultaneously as shown in Figure 5.As shown in Figure 5, this newly-increased IE comprises the ID of this IE, the length of this IE and N PDT.As shown in Figure 5, each PDT comprises the first indication information, the second indication information and the 3rd indication information corresponding to the first indication information that the first indication information is corresponding; Second indication information of take in Fig. 5 comprises that initial time (Start time) and the length of window (Duration) of time window are example, but the implementation of the second indication information is not limited to this.
Based on above-mentioned, the optional execution mode of another kind that AP carries the first indication information, the second indication information and the 3rd indication information in beacon frame is simultaneously: the IE having existed in the multiplexing beacon frame of AP carries the first indication information, the second indication information and the 3rd indication information corresponding to the first indication information that the first indication information is corresponding in multiplexing IE.Wherein, the mode of the IE having existed in the multiplexing beacon frame of AP can be referring to the description of aforementioned embodiments, here be only with the difference of aforementioned embodiments: in the situation that multiplexing IE carries the first indication information and the second indication information, carry the 3rd indication information simultaneously; About other descriptions, do not repeat them here.Illustrate, a kind of implementation structure that the IE of the multiplexing indication of AP RAW carries the first indication information, the second indication information and the 3rd indication information as shown in Figure 6.As shown in Figure 6, this multiplexing IE comprises the ID of IE, the length of IE, multiplexing indication field and N PDT.In Fig. 6, it is example that the multiplexing indication field of take indicates this IE to carry the first indication information, the second indication information and the 3rd indication information, therefore that carry after multiplexing indication field in Fig. 6 is N PDT.As shown in Figure 6, each PDT comprises the first indication information, the second indication information and the 3rd indication information corresponding to the first indication information that the first indication information is corresponding.As shown in Figure 6, a kind of optional implementation of the second indication information identified time window is: the second indication information comprises initial time (Start time) and the length of window (Duration) of time window.Multiplexing IE shown in Fig. 6 only carries the first indication information, the second indication information and the 3rd indication information corresponding to the first indication information that the first indication information is corresponding, but is not limited to this.Again for example, the optional implementation structure of another kind of the IE of the multiplexing indication of AP RAW as shown in Figure 7, comprises the ID of this IE, the length of this IE, multiplexing indication field and K PDT and M RAW.In Fig. 7, it is example that the multiplexing indication field of take indicates this IE to carry the first indication information, the second indication information, the 3rd indication information and the original RAW carrying of this IE simultaneously, therefore carry PDT and RAW in Fig. 7 after multiplexing indication field simultaneously.As shown in Figure 7, each RAW comprises RAW group (Group) ID, and for identifying the STA of downlink data receiving, initial time and length of window, for identifying the time window that allows the STA downlink data receiving that this RAW group ID identifies.
In this explanation, above-mentioned the first indication information can be AP indication uploading data STA place multicast group sign, the associated identifiers (Association ID, referred to as AID) of the STA association of AP indication uploading data, sign of the STA of the sign of user's group at the STA place of AP indication uploading data or AP indication uploading data etc.For example, if AP need to be take multicast group and be specified the STA of uploading data as benchmark, AP can identify with the ID of multicast group the STA of indication uploading data, add the STA of the multicast group that the ID of this multicast group identifies can the time window corresponding at the ID of this multicast group in to AP uploading data.In addition, the first indication information can comprise the ID of a plurality of multicast group simultaneously, this means the STA of these multicast group need to be in identical time window contention access tunnel, then to AP uploading data.Again for example, if AP uses AID based on layer structure to distinguish the STA of different multicast group, AP can identify with AID the STA of indication uploading data.Again for example, AP can also divide into groups to STA according to the application demand on upper strata, is divided into different user's groups and joins an ID for each user's component, and AP can identify according to the ID of application demand user group the STA of indication uploading data.
In sum, in the present embodiment, AP realizes at least one first indication information of the STA that carries sign AP indication uploading data in beacon frame by variety of way and is used to indicate the second indication information of the time window of the STA uploading data that each first indication information identifies, make in time window that STA that each first indication information identifies identifies at the second indication information corresponding with this first indication information to AP uploading data, realize STA by trend AP uploading data, met the existing passive demand of uploading.
Further, when AP realizes a plurality of the first indication informations of the STA that carries sign AP indication uploading data in beacon frame by variety of way and be used to indicate second indication information of time window of the STA uploading data that each first indication information identifies, can also make the STA of AP indication uploading data can be to AP uploading data in different time windows, by the STA of uploading data is dispersed in different time window, reduced the quantity of while to the STA of AP uploading data, reduce the probability bumping, thereby reduced the wasting of resources causing because of collision.
The flow chart of the data transmission method for uplink that Fig. 8 provides for one embodiment of the invention.As shown in Figure 8, the method for the present embodiment comprises:
In the present embodiment, AP is by carrying at least one first indication information and the second indication information corresponding to each first indication information in the beacon frame in broadcast, make in time window that STA that each first indication information identifies identifies at the second indication information corresponding with this first indication information to AP uploading data, realize STA by trend AP uploading data, met the existing passive demand of uploading.
Optionally, if AP is by carrying a plurality of the first indication informations and the second indication information corresponding to each first indication information in the beacon frame in broadcast, can realize a plurality of STA of indication uploading data are divided into groups, thus a plurality of STA that make to indicate uploading data respectively in different time windows to AP uploading data.
For STA, receive the beacon frame of AP broadcast, according at least one first indication information in beacon frame, judge oneself whether to need to AP uploading data, need to be to AP uploading data if judged, in corresponding time window contention access channel with to AP reported data; If judged, do not need the uploading data to AP, can abandon this beacon frame end operation.Concerning each STA, its processing procedure is identical, therefore the present embodiment be take the i.e. STA of one of them STA() describe as example.
Suppose that a STA is according at least one first indication information in beacon frame, determining oneself need to be to AP uploading data (namely AP indication the one STA be to its uploading data), determine oneself need to be corresponding to the first indication information of AP uploading data the time window that identifies of the second indication information in contention access channel, and after access channel, to AP, send upstream data in competition.Concerning AP, after broadcast beacon frame, receive the upstream data that a STA sends.
Optionally, above-mentioned the first indication information can be AP indication uploading data STA place multicast group sign, the associated identifiers (Association ID, referred to as AID) of the STA association of AP indication uploading data, sign of the STA of the ID of user's group at the STA place of AP indication uploading data or AP indication uploading data etc.Depending on the difference of the first indication information implementation, a STA judges whether according at least one first indication information need to be different to the mode meeting of AP uploading data.For example, if the ID of the ID that the first indication information is multicast group, user group or AID etc., a STA can judge that the multicast group, user's group at own place or associated AID are whether in certain first indication information; When judging the multicast group, user's group at own place or associated AID in certain first indication information time, determining oneself need to be to AP uploading data, and then obtain the second indication information corresponding to the multicast group, user's group at own place or first indication information at associated AID place (determine oneself need to the first indication information of AP uploading data), in the time window identifying at this second indication information, to AP, send upstream data.
In an optional execution mode, the beacon frame of above-mentioned AP broadcast also carries the 3rd indication information that the first indication information is corresponding.The 3rd indication information received the time of the uploading data indication information of AP transmission before uploading data for the STA that identifies AP indication the first indication information corresponding with the 3rd indication information and identify.The uploading data indication information is here used to indicate the satisfied condition of uploading data.The satisfied condition of uploading data can be according to the difference of far-end application and difference can be the satisfied data type of requirement uploading data and/or time range etc. such as this condition.
Based on above-mentioned, a kind of optional execution mode of step 802 comprises: a STA determines self according to the first indication information need to be after AP uploading data, determine need to be corresponding to the first indication information of AP uploading data time of identifying of the 3rd indication information receive above-mentioned uploading data indication information; Then, a STA determine need to be corresponding to the first indication information of AP uploading data the time window that identifies of the second indication information in to AP, send the indicated upstream data of above-mentioned uploading data indication information.
In this explanation, STA obtains the mode of the first indication information, the second indication information from beacon frame and mode that AP carries the first indication information, the second indication information in beacon frame adapts, and those skilled in the art can run away with, therefore be not described in detail in this.
From above-mentioned, in the present embodiment, STA matches with AP, AP realizes at least one first indication information of the STA that carries sign AP indication uploading data in beacon frame by variety of way and is used to indicate the second indication information of the time window of the STA uploading data that each first indication information identifies, STA is after receiving the beacon frame of AP transmission, according at least one first indication information in beacon frame, determining oneself need to be after AP uploading data, determine need to be corresponding to the first indication information of AP uploading data the time window that identifies of the second indication information in to AP uploading data, realized STA by trend AP uploading data, met the existing passive demand of uploading.
Further, in the present embodiment, STA can also match with AP, a plurality of the first indication informations in the beacon frame sending according to AP are determined oneself need to be after AP uploading data, determine need to be corresponding to the first indication information of AP uploading data the time window that identifies of the second indication information in to AP uploading data, realized with other STA of AP indication uploading data and being dispersed in different time window, in each time window, reduced the quantity of while to the STA of AP uploading data, reduced the probability bumping, thereby reduced the wasting of resources causing because of collision.
The structural representation of the AP that Fig. 9 provides for one embodiment of the invention.As shown in Figure 9, the AP of the present embodiment comprises: sending module 91 and receiver module 92.
Sending module 91, for broadcast beacon frame, this beacon frame carries at least one first indication information and the second indication information corresponding to each first indication information, described the first indication information is for identifying the site STA of the AP indication uploading data of the present embodiment, and described the second indication information is for the time window of the STA uploading data that identifies AP indication described first indication information corresponding with described the second indication information of the present embodiment and identify.
In an optional execution mode, sending module 91, specifically for newly-increased IE in described beacon frame, carries described at least one first indication information and the second indication information corresponding to each first indication information in described newly-increased IE.Optionally, sending module 91 specifically can be used for using described newly-increased IE to carry separately described at least one first indication information and the second indication information corresponding to each first indication information.Or sending module 91 specifically can be used for using described newly-increased IE to carry the second indication information that described at least one first indication information, each first indication information are corresponding and other indication informations except described at least one first indication information and the second indication information corresponding to each the first indication information simultaneously.
In an optional execution mode, the IE of sending module 91 specifically for having existed in multiplexing described beacon frame carries described at least one first indication information and the second indication information corresponding to each first indication information in described multiplexing IE.Optionally, sending module 91 specifically for adding multiplexing indication field in described multiplexing IE, according to described multiplexing indication field, in described multiplexing IE, carry described at least one first indication information and the second indication information corresponding to each first indication information.
Optionally, described multiplexing indication field comprises multiplexing sign.Based on this, sending module 91, specifically for when described multiplexing sign is the first numerical value, carries described at least one first indication information and the second indication information corresponding to each first indication information in described multiplexing IE; Wherein, when described multiplexing sign is second value, described multiplexing IE is for carrying the original information of carrying of described multiplexing IE.
Further, described multiplexing indication field also comprises multiplexing position indication information.Based on this, sending module 91 is also specifically for when described multiplexing sign is third value, described at least one first indication information and the second indication information corresponding to each first indication information are carried in the position identifying in multiplexing position indication information described in described multiplexing IE, and the original information of carrying of described multiplexing IE is carried in other positions the position identifying except described multiplexing position indication information in described multiplexing IE.
Optionally, above-mentioned multiplexing position indication information comprises: original position indication and position length are indicated.
In an optional execution mode, described beacon frame also carries the 3rd indication information that each first indication information is corresponding, described the 3rd indication information received time of uploading data indication information of the AP transmission of the present embodiment before uploading data for the STA that identifies AP indication described first indication information corresponding with described the 3rd indication information of the present embodiment and identify, described uploading data indication information is used to indicate the satisfied condition of uploading data.The satisfied condition of uploading data can be according to the difference of far-end application and difference, and for example this condition can be the satisfied data type of requirement uploading data and/or time range.
Based on above-mentioned the 3rd indication information, sending module 91 is also for before receiving the upstream data of a described STA transmission at receiver module 92, the time identifying at described the 3rd indication information, the STA identifying to described the first indication information corresponding to described the 3rd indication information sends described uploading data indication information.Accordingly, the indicated upstream data of described uploading data indication information that receiver module 92 sends specifically for receiving a described STA.
Optionally, above-mentioned the second indication information can comprise initial time and the length of window of described time window.
Optionally, above-mentioned the first indication information can be for the sign of multicast group at the STA place of described AP indication uploading data be, the sign of the sign of user's group at the STA place of AID, the described AP indication uploading data of the STA association of described AP indication uploading data or the STA of described AP indication uploading data.
Each functional module of the AP that the present embodiment provides can be used for the corresponding flow process in data receive method shown in execution graph 1, and its specific works principle repeats no more, and refers to the description of embodiment of the method.
The AP that the present embodiment provides, by in beacon frame, carry sign AP indication uploading data STA at least one first indication information and be used to indicate the second indication information of the time window of the STA uploading data that each first indication information identifies, make in time window that STA that each first indication information identifies identifies at the second indication information corresponding with this first indication information to AP uploading data, realize STA by trend AP uploading data, met the existing passive demand of uploading.
Further, when the AP that the present embodiment provides can be realized a plurality of the first indication informations of the STA that carries sign AP indication uploading data in beacon frame and is used to indicate second indication information of time window of the STA uploading data that each first indication information identifies by variety of way, can also make like this STA of AP indication uploading data can be to AP uploading data in different time windows, by the STA of uploading data is dispersed in different time window, reduced the quantity of while to the STA of AP uploading data, reduced the probability bumping, thereby reduced the wasting of resources causing because of collision.
The structural representation of the AP that Figure 10 provides for another embodiment of the present invention.As shown in figure 10, the AP of the present embodiment comprises: transmitter 1001 and receiver 1002.
The AP of the present embodiment also comprises memory 1003, the data that receive for storing received device 1002, and the upstream data that for example a STA sends, and the data that send for interim storage transmitter 1001, such as beacon frame etc.
Wherein, between transmitter 1001, receiver 1002 and memory 1003, by bus, connect, described bus can be industry standard architecture (Industry Standard Architecture, referred to as ISA) bus, peripheral component interconnect (Peripheral Component, referred to as PCI) bus or extended industry-standard architecture (Extended Industry Standard Architecture, referred to as EISA) bus etc.Described bus can be divided into address bus, data/address bus, control bus etc.For ease of representing, in Figure 10, only with a thick line, represent, but do not represent only to have the bus of a bus or a type.
The AP that the present embodiment provides can be used for the corresponding flow process in data receive method shown in execution graph 1, and its specific works principle repeats no more, and refers to the description of embodiment of the method.
The AP that the present embodiment provides, by in beacon frame, carry sign AP indication uploading data STA at least one first indication information and be used to indicate the second indication information of the time window of the STA uploading data that each first indication information identifies, make in time window that STA that each first indication information identifies identifies at the second indication information corresponding with this first indication information to AP uploading data, realize STA by trend AP uploading data, met the existing passive demand of uploading.
Further, when the AP that the present embodiment provides can be realized a plurality of the first indication informations of the STA that carries sign AP indication uploading data in beacon frame and is used to indicate second indication information of time window of the STA uploading data that each first indication information identifies by variety of way, can also make like this STA of AP indication uploading data can be to AP uploading data in different time windows, by the STA of uploading data is dispersed in different time window, reduced the quantity of while to the STA of AP uploading data, reduced the probability bumping, thereby reduced the wasting of resources causing because of collision.
The structural representation of the STA that Figure 11 provides for one embodiment of the invention.As shown in figure 11, the STA of the present embodiment comprises: receiver module 111 and sending module 112.
Sending module 112, need to be after described AP uploading data for determine the STA of the present embodiment according to described at least one first indication information, determine need to be corresponding to the first indication information of described AP uploading data the time window that identifies of the second indication information in to described AP, send upstream data.
In an optional execution mode, described beacon frame also carries the 3rd indication information that described the first indication information is corresponding, described the 3rd indication information received the time of the uploading data indication information of described AP transmission before uploading data for the STA that identifies described AP indication described the first indication information corresponding with described the 3rd indication information and identify, described uploading data indication information is used to indicate type or the time range of uploading data.
Based on above-mentioned, receiver module 111 also need to be after AP uploading data for determine the STA of the present embodiment at sending module 112, determine need to be corresponding to the first indication information of AP uploading data time of identifying of the 3rd indication information receive described uploading data indication information.Accordingly, sending module 112 need to be after described AP uploading data specifically for determine the STA of the present embodiment according to the first indication information, determine need to be corresponding to the first indication information of described AP uploading data the time window that identifies of the second indication information in the indicated upstream data of described uploading data indication information that receives to described AP sending/receiving module 111.
Optionally, above-mentioned the first indication information is that the sign of multicast group at STA place of described AP indication uploading data is, the sign of the sign of user's group at the STA place of AID, the described AP indication uploading data of the STA association of described AP indication uploading data or the STA of described AP indication uploading data.
Each functional module of the STA that the present embodiment provides can be used for the corresponding flow process in data receive method shown in execution graph 8, and its specific works principle repeats no more, and refers to the description of embodiment of the method.
The STA of the present embodiment, the AP providing with above-described embodiment matches, after receiving the beacon frame of AP transmission, according at least one first indication information in beacon frame, determining oneself need to be after AP uploading data, determine need to be corresponding to the first indication information of AP uploading data the time window that identifies of the second indication information in to AP uploading data, by matching with AP, realized the uploading data by trend AP, met the existing passive demand of uploading.
Further, the AP that the STA of the present embodiment can also provide with above-described embodiment matches, according to a plurality of the first indication informations in beacon frame, determining oneself need to be after AP uploading data, determine need to be corresponding to the first indication information of AP uploading data the time window that identifies of the second indication information in to AP uploading data, realized with other STA of AP indication uploading data and being dispersed in different time window, in each time window, reduced the quantity of while to the STA of AP uploading data, reduced the probability bumping, thereby reduced the wasting of resources causing because of collision.
The structural representation of the STA that Figure 12 provides for another embodiment of the present invention.As shown in figure 12, the STA providing of the present embodiment comprises: receiver 121 and transmitter 122.
The STA of the present embodiment also comprises memory 123, the data that receive for storing received device 111, and beacon frame for example, and the data that send for interim storage transmitter 122, such as upstream data etc.
Wherein, between transmitter 122, receiver 121 and memory 123, by bus, connect, described bus can be isa bus, pci bus or eisa bus etc.Described bus can be divided into address bus, data/address bus, control bus etc.For ease of representing, in Figure 12, only with a thick line, represent, but do not represent only to have the bus of a bus or a type.
The STA that the present embodiment provides can be used for the corresponding flow process in data receive method shown in execution graph 8, and its specific works principle repeats no more, and refers to the description of embodiment of the method.
The STA of the present embodiment, the AP providing with above-described embodiment matches, after receiving the beacon frame of AP transmission, according at least one first indication information in beacon frame, determining oneself need to be after AP uploading data, determine need to be corresponding to the first indication information of AP uploading data the time window that identifies of the second indication information in to AP uploading data, by matching with AP, realized the uploading data by trend AP, met the existing passive demand of uploading.
Further, the AP that the STA of the present embodiment can also provide with above-described embodiment matches, according to a plurality of the first indication informations in beacon frame, determining oneself need to be after AP uploading data, determine need to be corresponding to the first indication information of AP uploading data the time window that identifies of the second indication information in to AP uploading data, realized with other STA of AP indication uploading data and being dispersed in different time window, in each time window, reduced the quantity of while to the STA of AP uploading data, reduced the probability bumping, thereby reduced the wasting of resources causing because of collision.
One of ordinary skill in the art will appreciate that: all or part of step that realizes above-mentioned each embodiment of the method can complete by the relevant hardware of program command.Aforesaid program can be stored in a computer read/write memory medium.This program, when carrying out, is carried out the step that comprises above-mentioned each embodiment of the method; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CDs.
Finally it should be noted that: each embodiment, only in order to technical scheme of the present invention to be described, is not intended to limit above; Although the present invention is had been described in detail with reference to aforementioned each embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or some or all of technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the scope of various embodiments of the present invention technical scheme.
Claims (28)
1. a data receive method, is characterized in that, comprising:
Wireless access point AP broadcast beacon frame, described beacon frame carries at least one first indication information and the second indication information corresponding to each first indication information, described the first indication information is for identifying the site STA of described AP indication uploading data, and described the second indication information is for the time window of the STA uploading data that identifies described AP indication described first indication information corresponding with described the second indication information and identify;
Described AP receives the upstream data that a STA sends, described upstream data is that a described STA determines and need to, after described AP uploading data, in the time window identifying, send at the second indication information corresponding to described the first indication information according to the first indication information in the described beacon frame receiving.
2. data receive method according to claim 1, is characterized in that, described AP carries at least one first indication information by described beacon frame and the second indication information corresponding to each first indication information comprises:
Described AP is newly-increased cell units IE in described beacon frame, carries described at least one first indication information and the second indication information corresponding to each first indication information in described newly-increased IE; Or
The IE having existed in the multiplexing described beacon frame of described AP carries described at least one first indication information and the second indication information corresponding to each first indication information in described multiplexing IE.
3. data receive method according to claim 2, is characterized in that, described AP carries described at least one first indication information in described newly-increased IE and the second indication information corresponding to each first indication information comprises:
Described AP is used described newly-increased IE to carry separately described at least one first indication information and the second indication information corresponding to each first indication information; Or
Described AP is used described newly-increased IE to carry the second indication information that described at least one first indication information, each first indication information are corresponding and other indication informations except described at least one first indication information and the second indication information corresponding to each the first indication information simultaneously.
4. data receive method according to claim 2, it is characterized in that, the IE having existed in the multiplexing described beacon frame of described AP carries described at least one first indication information and the second indication information corresponding to each first indication information and comprises in described multiplexing IE:
Described AP adds multiplexing indication field in described multiplexing IE;
Described AP, according to described multiplexing indication field, carries described at least one first indication information and the second indication information corresponding to each first indication information in described multiplexing IE.
5. data receive method according to claim 4, is characterized in that, described multiplexing indication field comprises multiplexing sign;
Described AP, according to described multiplexing indication field, carries described at least one first indication information and the second indication information corresponding to each first indication information and comprises in described multiplexing IE:
When described multiplexing sign is the first numerical value, described AP carries described at least one first indication information and the second indication information corresponding to each first indication information in described multiplexing IE; Wherein, when described multiplexing sign is second value, described multiplexing IE is for carrying the original information of carrying of described multiplexing IE.
6. data receive method according to claim 5, is characterized in that, described multiplexing indication field also comprises multiplexing position indication information;
Described AP, according to described multiplexing indication field, carries described at least one first indication information and the second indication information corresponding to each first indication information and also comprises in described multiplexing IE:
When described multiplexing sign is third value, described at least one first indication information and the second indication information corresponding to each first indication information are carried in the position that described AP identifies in multiplexing position indication information described in described multiplexing IE, and the original information of carrying of described multiplexing IE is carried in other positions the position identifying except described multiplexing position indication information in described multiplexing IE.
7. data receive method according to claim 6, is characterized in that, described multiplexing position indication information comprises: original position indication and position length indication.
8. according to the data receive method described in claim 1-7 any one, it is characterized in that, described beacon frame also carries the 3rd indication information that each first indication information is corresponding, described the 3rd indication information received the time of the uploading data indication information of described AP transmission before uploading data for the STA that identifies described AP indication described the first indication information corresponding with described the 3rd indication information and identify, described uploading data indication information is used to indicate the satisfied condition of uploading data.
9. data receive method according to claim 8, is characterized in that, the upstream data that described AP receives a described STA transmission comprises before:
The time that described AP identifies at described the 3rd indication information, the STA identifying to described the first indication information corresponding to described the 3rd indication information sends described uploading data indication information;
The upstream data that described AP receives a described STA transmission comprises:
Described AP receives the indicated upstream data of described uploading data indication information that a described STA sends.
10. according to the data receive method described in claim 1-7 any one, it is characterized in that, described the second indication information comprises initial time and the length of window of described time window.
11. according to the data receive method described in claim 1-7 any one, it is characterized in that, described the first indication information is that the sign of multicast group at STA place of described AP indication uploading data is, the sign of the sign of user's group at the STA place of AID, the described AP indication uploading data of the STA association of described AP indication uploading data or the STA of described AP indication uploading data.
12. 1 kinds of data transmission method for uplink, is characterized in that, comprising:
The first site STA receives the beacon frame of wireless access point AP broadcast, described beacon frame carries at least one first indication information and the second indication information corresponding to each first indication information, described the first indication information is for identifying the STA of described AP indication uploading data, and described the second indication information is for the time window of the STA uploading data that identifies described AP indication described first indication information corresponding with described the second indication information and identify;
A described STA determines self according to described at least one first indication information need to be after described AP uploading data, determine need to be corresponding to the first indication information of described AP uploading data the time window that identifies of the second indication information in to described AP, send upstream data.
13. data transmission method for uplink according to claim 12, it is characterized in that, described beacon frame also carries the 3rd indication information that described the first indication information is corresponding, described the 3rd indication information received the time of the uploading data indication information of described AP transmission before uploading data for the STA that identifies described AP indication described the first indication information corresponding with described the 3rd indication information and identify, described uploading data indication information is used to indicate type or the time range of uploading data;
A described STA determines self according to described the first indication information need to be after described AP uploading data, determine need to be corresponding to the first indication information of described AP uploading data the time window that identifies of the second indication information in to described AP, send upstream data and comprise:
A described STA determines self according to described the first indication information need to be after described AP uploading data, determine need to be corresponding to the first indication information of described AP uploading data time of identifying of the 3rd indication information receive described uploading data indication information;
A described STA determine need to be corresponding to the first indication information of described AP uploading data the time window that identifies of the second indication information in to described AP, send the indicated upstream data of described uploading data indication information.
14. according to the data transmission method for uplink described in claim 12 or 13, it is characterized in that, described the first indication information is that the sign of multicast group at STA place of described AP indication uploading data is, the sign of the sign of user's group at the STA place of AID, the described AP indication uploading data of the STA association of described AP indication uploading data or the STA of described AP indication uploading data.
15. 1 kinds of wireless access point AP, is characterized in that, comprising:
Sending module, for broadcast beacon frame, described beacon frame carries at least one first indication information and the second indication information corresponding to each first indication information, described the first indication information is for identifying the site STA of described AP indication uploading data, and described the second indication information is for the time window of the STA uploading data that identifies described AP indication described first indication information corresponding with described the second indication information and identify;
Receiver module, the upstream data sending for receiving a STA, described upstream data is that a described STA determines and need to, after described AP uploading data, in the time window identifying, send at the second indication information corresponding to described the first indication information according to the first indication information in the described beacon frame receiving.
16. AP according to claim 15, it is characterized in that, described sending module, specifically for newly-increased cell units IE in described beacon frame, carries described at least one first indication information and the second indication information corresponding to each first indication information in described newly-increased IE; Or
The IE of described sending module specifically for having existed in multiplexing described beacon frame carries described at least one first indication information and the second indication information corresponding to each first indication information in described multiplexing IE.
17. AP according to claim 16, is characterized in that, described sending module is specifically for being used described newly-increased IE to carry separately described at least one first indication information and the second indication information corresponding to each first indication information; Or
Described sending module is specifically for used described newly-increased IE to carry the second indication information that described at least one first indication information, each first indication information are corresponding and other indication informations except described at least one first indication information and the second indication information corresponding to each the first indication information simultaneously.
18. AP according to claim 16, it is characterized in that, described sending module specifically for adding multiplexing indication field in described multiplexing IE, according to described multiplexing indication field, in described multiplexing IE, carry described at least one first indication information and the second indication information corresponding to each first indication information.
19. AP according to claim 18, is characterized in that, described multiplexing indication field comprises multiplexing sign;
Described sending module, specifically for when described multiplexing sign is the first numerical value, carries described at least one first indication information and the second indication information corresponding to each first indication information in described multiplexing IE; Wherein, when described multiplexing sign is second value, described multiplexing IE is for carrying the original information of carrying of described multiplexing IE.
20. AP according to claim 19, is characterized in that, described multiplexing indication field also comprises multiplexing position indication information;
Described sending module is also specifically for when described multiplexing sign is third value, described at least one first indication information and the second indication information corresponding to each first indication information are carried in the position identifying in multiplexing position indication information described in described multiplexing IE, and the original information of carrying of described multiplexing IE is carried in other positions the position identifying except described multiplexing position indication information in described multiplexing IE.
21. AP according to claim 20, is characterized in that, described multiplexing position indication information comprises: original position indication and position length indication.
22. according to the AP described in claim 15-21 any one, it is characterized in that, described beacon frame also carries the 3rd indication information that each first indication information is corresponding, described the 3rd indication information received the time of the uploading data indication information of described AP transmission before uploading data for the STA that identifies described AP indication described the first indication information corresponding with described the 3rd indication information and identify, described uploading data indication information is used to indicate the satisfied condition of uploading data.
23. according to the AP described in claim 15-21 any one, it is characterized in that, described sending module is also for before receiving the upstream data of a described STA transmission at described receiver module, the time identifying at described the 3rd indication information, the STA identifying to described the first indication information corresponding to described the 3rd indication information sends described uploading data indication information;
The indicated upstream data of described uploading data indication information that described receiver module sends specifically for receiving a described STA.
24. according to the AP described in claim 15-21 any one, it is characterized in that, described the second indication information comprises initial time and the length of window of described time window.
25. according to the AP described in claim 15-21 any one, it is characterized in that, described the first indication information is that the sign of multicast group at STA place of described AP indication uploading data is, the sign of the sign of user's group at the STA place of AID, the described AP indication uploading data of the STA association of described AP indication uploading data or the STA of described AP indication uploading data.
26. 1 kinds of website SAT, is characterized in that, comprising:
Receiver module, for receiving the beacon frame of wireless access point AP broadcast, described beacon frame carries at least one first indication information and the second indication information corresponding to each first indication information, described the first indication information is for identifying the STA of described AP indication uploading data, and described the second indication information is for the time window of the STA uploading data that identifies described AP indication described first indication information corresponding with described the second indication information and identify;
Sending module, need to be after described AP uploading data for determining described STA according to described at least one first indication information, determine need to be corresponding to the first indication information of described AP uploading data the time window that identifies of the second indication information in to described AP, send upstream data.
27. STA according to claim 26, it is characterized in that, described beacon frame also carries the 3rd indication information that described the first indication information is corresponding, described the 3rd indication information received the time of the uploading data indication information of described AP transmission before uploading data for the STA that identifies described AP indication described the first indication information corresponding with described the 3rd indication information and identify, described uploading data indication information is used to indicate type or the time range of uploading data;
Described receiver module also need to be after described AP uploading data for determine described STA at described sending module, determine need to be corresponding to the first indication information of described AP uploading data time of identifying of the 3rd indication information receive described uploading data indication information;
Described sending module need to be after described AP uploading data specifically for determine described STA according to described the first indication information, determine need to be corresponding to the first indication information of described AP uploading data the time window that identifies of the second indication information in to described AP, send the indicated upstream data of described uploading data indication information that described receiver module receives.
28. according to the STA described in claim 26 or 27, it is characterized in that, described the first indication information is that the sign of multicast group at STA place of described AP indication uploading data is, the sign of the sign of user's group at the STA place of AID, the described AP indication uploading data of the STA association of described AP indication uploading data or the STA of described AP indication uploading data.
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