CN103916964A - Wireless communication method and access point device - Google Patents
Wireless communication method and access point device Download PDFInfo
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Abstract
The embodiment of the invention discloses a wireless communication method which comprises the steps that a first beacon frame is generated at the first time point by an access point, wherein the first beacon frame contains first competitive stage duration information which represents the duration of a fist competition stage; the first beacon frame is transmitted according to the broadcasting period of the first beacon frame; a second beacon frame is generated at the second time point, wherein the second beacon frame contains second competition stage duration information which represents the duration of a second competition stage; the second beacon frame is transmitted according to the broadcast period of the second beacon frame. The duration of the first competition stage is different from the duration of the second competition stage. The invention further discloses an access point device. By the adoption of the wireless communication method and the access point device, the transmission period of the beacon frames is reduced greatly, effective communication time is increased, and the effective utilization rate of spectra is increased.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of wireless communications method and access point apparatus.
Background technology
Along with the progress of ICT (information and communication technology), various wireless communication technologys are recently developed.In the middle of these wireless communication technologys, wireless lan (wlan) is that one can be by being used portable terminal (such as intelligent mobile terminal, panel computer, portable media player etc.) in family or enterprise or the technology with wireless mode online in the region of special services being provided.
Availability of frequency spectrum efficiency in existing Wireless Fidelity (WIreless Fidelity, Wi-Fi) technology is the hot issue that people pay close attention to; Current through experiment statistics, analyze website (Station in Wi-Fi technology, STA) with access point (Access Point, AP) set up and initially connect and communicate institute's transmission frame in process, discovery management frames (as, probe response (Probe response) frame etc.) proportion that accounts for is very large, shows that access point is carrying out the initial action connecting in the most of the time of communication, and the shared proportion of the active data traffic is little; Because the proportion of the management frames sending in communication process (for the wireless initial connection of equipment room) is excessive, the time that makes to carry out valid data transmission is very few, causes effective utilization ratio of frequency spectrum very low.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of wireless communications method and access point apparatus are provided, and greatly reduces the quantity forwarded of management frames, has increased effective call duration time, has improved the effective rate of utilization of frequency spectrum.
First aspect, the embodiment of the present invention provides a kind of wireless communications method, comprising:
Access point is at very first time dot generation the first beacon frame, and described the first beacon frame comprises the first competition phase duration information, and described the first competition phase duration information represents the first competition phase duration;
Send described the first beacon frame according to the broadcast cycle of described the first beacon frame;
Generate the second beacon frame at the second time point, described the second beacon frame comprises the second competition phase duration information, and described the second competition phase duration information represents the second competition phase duration;
Send described the second beacon frame according to the broadcast cycle of described the second beacon frame;
Wherein said the first competition phase duration is different from described the second competition phase duration.
In conjunction with first aspect, in the possible implementation of the first, the broadcast cycle of described the first beacon frame is identical with the broadcast cycle of described the second beacon frame.
In conjunction with first aspect, in the possible implementation of the second, described before the second time point generates the second beacon frame, also comprise:
The load state information of access point monitors self, and adjust described the first competition phase duration according to described load state information, the first competition phase duration after adjusting is as described the second competition phase duration.
In conjunction with the possible implementation of the second of first aspect, in the third possible implementation, described load state information comprises following at least one information:
Concentrate the quantity information of setting up the website being initially connected with described access point in basic service;
Basic service concentrate set up the initial website being connected with described access point on average tell the amount of gulping down; Or
Concentrate the average connection data speed of setting up the website being initially connected with described access point in basic service.
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation, described according to described load state information adjust described first competition phase duration comprise:
The size of more described load state information and predetermined threshold value;
In the time that the magnitude relationship of described load state information and predetermined threshold value changes, adjust described the first competition phase duration; In the time that the magnitude relationship of described load state information and predetermined threshold value does not change, maintain described the first competition phase duration.
In conjunction with the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation, described method also comprises: be provided with at least two predetermined threshold value, each predetermined threshold value correspondence is provided with competition phase duration separately;
In the time that the magnitude relationship of described load state information and predetermined threshold value changes, adjust described the first competition phase duration and comprise:
When the maximum preset threshold value reaching when described load state information changes, described the first competition phase duration is adjusted into competition phase duration corresponding to maximum preset threshold value reaching.
In conjunction with first aspect, or the implementation that the first of first aspect is possible, or the implementation that the second of first aspect is possible, or the third possible implementation of first aspect, or the 4th kind of possible implementation of first aspect, or the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation, described the second competition phase duration is zero, and described the second beacon frame comprises controlled competition phase information element; Described controlled competition phase information element comprises the information that is used to indicate the 3rd competition time started phase and end time;
Before the described broadcast cycle according to described the second beacon frame sends described the second beacon frame, described method also comprises: receive the probe request of supporting that the website of Wireless Fidelity standard of future generation sends; And return to probing response frame to described website, within described the 3rd competition phase, described website carries out initial network entry connection foundation;
Or support Wireless Fidelity standard of future generation and the website in battery saving mode within described the 3rd competition phase by send the mode of power saving training in rotation frame compete obtain data cached.In conjunction with the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation, described method also comprises:
The information that is provided for representing described controlled competition phase information element in information element table, comprises element term, component identification and element size.
Second aspect, the embodiment of the present invention provides a kind of access point apparatus, comprising:
The first beacon frame generation module, at very first time dot generation the first beacon frame, described the first beacon frame comprises the first competition phase duration information, and described the first competition phase duration information represents the first competition phase duration;
The first sending module, for sending described the first beacon frame according to the broadcast cycle of described the first beacon frame;
The second beacon frame generation module, for generating the second beacon frame at the second time point, described the second beacon frame comprises the second competition phase duration information, and described the second competition phase duration information represents the second competition phase duration;
The second sending module, for sending described the second beacon frame according to the broadcast cycle of described the second beacon frame;
Wherein said the first competition phase duration is different from described the second competition phase duration.
In conjunction with second aspect, in the possible implementation of the first, the broadcast cycle of described the first beacon frame is identical with the broadcast cycle of described the second beacon frame.
In conjunction with second aspect, in the possible implementation of the second, described equipment also comprises:
Load monitoring module, for monitoring the load state information of self;
Competition phase adjusting module, for adjust described the first competition phase duration according to described load state information, the first competition phase duration after adjusting is as described the second competition phase duration.
In conjunction with the possible implementation of the second of second aspect, in the third possible implementation, described load state information comprises following at least one information:
Concentrate the quantity information of setting up the website being initially connected with described access point in basic service;
Basic service concentrate set up the initial website being connected with described access point on average tell the amount of gulping down; Or
Concentrate the average connection data speed of setting up the website being initially connected with described access point in basic service.
In conjunction with the third possible implementation of second aspect, in the 4th kind of possible implementation, described competition phase adjusting module comprises:
Comparing unit, for the size of more described load state information and predetermined threshold value;
Adjustment unit, in the time that the magnitude relationship of described load state information and predetermined threshold value changes, adjusts described the first competition phase duration; In the time that the magnitude relationship of described load state information and predetermined threshold value does not change, maintain described the first competition phase duration.
In conjunction with the 4th kind of possible implementation of second aspect, in the 5th kind of possible implementation, described access point apparatus also comprises threshold value setting module, and at least two predetermined threshold value are set, each predetermined threshold value correspondence is provided with competition phase duration separately;
Described adjustment unit specifically for: when the maximum preset threshold value reaching when described load state information changes, described the first competition phase duration is adjusted into competition phase duration corresponding to maximum preset threshold value reaching.
In conjunction with second aspect, or the implementation that the first of second aspect is possible, or the implementation that the second of second aspect is possible, or the third possible implementation of second aspect, or the 4th kind of possible implementation of second aspect, or the 5th kind of possible implementation of second aspect, in the 6th kind of possible implementation, described the second competition phase duration is zero, and described the second beacon frame comprises controlled competition phase information element; Described controlled competition phase information element comprises the information that is used to indicate the 3rd competition time started phase and end time; Described equipment also comprises:
The second receiver module, before sending described the second beacon frame at described the second sending module according to the broadcast cycle of described the second beacon frame, receives the probe request of supporting that the website of Wireless Fidelity standard of future generation sends; And return to probing response frame to described website;
The 3rd receiver module described website within described the 3rd competition phase carries out initial network entry and connects foundation;
Or receive and support that Wireless Fidelity standard of future generation and the website in battery saving mode send power saving training in rotation frame within described the 3rd competition phase, and described station for acquiring in battery saving mode is data cached.In conjunction with the 6th kind of possible implementation of second aspect, in the 7th kind of possible implementation, described equipment also comprises:
Information element table arranges module, for be provided for representing the information of described controlled competition phase information element in information element table, comprises element term, component identification and element size.
By implementing the embodiment of the present invention, the first competition phase duration of the first beacon frame is different from the second competition phase duration of the second beacon frame, can be according to the competition phase duration of practical communication load adjustment website competitive channel, thereby control the quantity of communicating pair transmission management frames, solve in prior art because the proportion of the management frames sending in communication process is excessive, the time that makes to carry out valid data transmission is very few, cause the very low technical problem of effective utilization ratio of frequency spectrum, and when communication load reaches threshold value, it is zero that the second competition phase duration can be set, and by being set, controlled competition phase information word usually realizes the website that only allows to support Wireless Fidelity standard of future generation and initiated initial connection in access point by the 3rd competition phase competitive channel resource, do not allow not support the website of Wireless Fidelity standard of future generation, and do not initiate with access point the website competitive channel resource being initially connected, further reduced the proportion of the management frames sending in communication process, increase effective call duration time, improve the effective rate of utilization of frequency spectrum.
Brief description of the drawings
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 only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the schematic flow sheet of wireless communications method provided by the invention;
Fig. 2 is the structural representation of access point apparatus provided by the invention;
Fig. 3 is the structural representation of another embodiment of access point apparatus provided by the invention;
Fig. 4 is the structural representation of competition phase adjusting module provided by the invention;
Fig. 5 is the structural representation of another embodiment of access point apparatus provided by the invention;
Fig. 6 is the structural representation of another embodiment of access point apparatus provided by the invention;
Fig. 7 is the structural representation of another embodiment of access point apparatus provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, the term using is in embodiments of the present invention only for describing the object of specific embodiment, but not is intended to limit the present invention." one ", " described " and " being somebody's turn to do " of the singulative using in the embodiment of the present invention and appended claims are also intended to comprise most forms, unless context clearly represents other implications.It is also understood that term "and/or" used herein refer to and comprise one or more projects of listing that are associated any or all may combine.
Referring to Fig. 1, be the schematic flow sheet of wireless communications method provided by the invention, the method comprises:
Step S100: access point is at very first time dot generation the first beacon frame, and described the first beacon frame comprises the first competition phase duration information, described the first competition phase duration information represents the first competition phase duration;
Particularly, this very first time point can be some time points of communication process, the first competition phase duration information that this first beacon frame comprises can be illustrated in the one section of duration sending after this first beacon frame, and website can obtain channel resource by the mode of competition; For example, the broadcast cycle of this first beacon frame is 200ms, the first competition phase duration is 40ms, and the first competition phase duration information that the first beacon frame comprises so can be illustrated in the 40ms time sending after this first beacon frame, and website can obtain channel resource by the mode of competition; In the follow-up 160ms time, it is non-competing phase duration.
Step S102: send described the first beacon frame according to the broadcast cycle of described the first beacon frame;
Step S104: generate the second beacon frame at the second time point, described the second beacon frame comprises the second competition phase duration information, described the second competition phase duration information represents the second competition phase duration;
Particularly, this second time point is the time point that is different from above-mentioned very first time point, be that access point can be according to the setting of self or Rule of judgment in communication process, generate the second beacon frame at another time point, the second competition phase duration difference that the second competition phase duration information that this second beacon frame comprises represents and above-mentioned the first competition phase duration.
Step S106: send described the second beacon frame according to the broadcast cycle of described the second beacon frame.
Particularly, for example, the broadcast cycle of this first beacon frame is 200ms, the first competition phase duration is 40ms, and the broadcast cycle of this first beacon frame is 200ms, and the second competition phase duration is 20ms, after Competition adjustment phase duration has reduced so, the quantity of the management frames that website sends in the second competition phase duration has obtained minimizing, thereby has increased effective call duration time, has improved the effective rate of utilization of frequency spectrum.
It should be noted that, the first beacon frame in the embodiment of the present invention and the broadcast cycle of the second beacon frame can be identical can be not identical yet, preferably, the broadcast cycle of the first beacon frame is identical with the broadcast cycle of the second beacon frame.
Further, before step S104, the embodiment of the present invention can also comprise: the load state information of access point monitors self, and adjust described the first competition phase duration according to described load state information, the first competition phase duration after adjusting is as described the second competition phase duration.
Particularly, this load state information can comprise at least one or combination in any:
Concentrate the quantity information of setting up the website being initially connected with described access point in basic service;
Basic service concentrate set up the initial website being connected with described access point on average tell the amount of gulping down; Or
Concentrate the average connection data speed of setting up the website being initially connected with described access point in basic service.
Again at length, for example (,) access point can dynamically adjust the first competition phase duration according to the load condition of self.For example, concentrate single access point can only support at most 30 websites in same basic service, access point can preset monitoring adjustment algorithm so, in the time monitoring present load quantity and exceed 15 websites, the first competition phase duration is turned down, and the first competition phase duration after adjusting is as the second competition phase duration of the second beacon frame, thereby control communicating pair sends the quantity of management frames, increase effective call duration time, improve the effective rate of utilization of frequency spectrum.
Again further, described according to described load state information adjust described first competition phase duration can comprise: the size of more described load state information and predetermined threshold value; In the time that the magnitude relationship of described load state information and predetermined threshold value changes, adjust described the first competition phase duration; In the time that the magnitude relationship of described load state information and predetermined threshold value does not change, maintain described the first competition phase duration.
Particularly, being included in basic service taking this load state information concentrates the quantity of setting up the website being initially connected with described access point as example, describe: suppose that predetermined threshold value is 15, the quantity of the website being originally initially connected with access point foundation is less than 15, if the website quantity of monitoring is always lower than 15 so, maintain this first competition phase duration, when the website quantity of monitoring is higher than 15 time, adjust this first competition phase duration, the first competition phase duration can be turned down, as the second competition phase duration; Or the quantity of the website being originally initially connected with access point foundation is greater than 15, if the website quantity of monitoring is greater than 15 so always, maintain this first competition phase duration, in the time that the website quantity of monitoring is less than 15, adjust this first competition phase duration, the first competition phase duration can be tuned up, as the second competition phase duration.
Again further, the embodiment of the present invention can also comprise: be provided with at least two predetermined threshold value, each predetermined threshold value correspondence is provided with competition phase duration separately; In the time that the magnitude relationship of described load state information and predetermined threshold value changes, adjusting described the first competition phase duration comprises: when the maximum preset threshold value reaching when described load state information changes, described the first competition phase duration is adjusted into competition phase duration corresponding to maximum preset threshold value reaching.
Particularly, predetermined threshold value in the embodiment of the present invention can also have multiple, and each threshold value is to there being beacon frame broadcast cycle separately, being included in basic service taking this load state information equally concentrates the quantity of setting up the website being initially connected with described access point as example, describe, as following table:
| Predetermined threshold value | Competition phase duration (ms) |
| 20 | 10 |
| 15 | 25 |
| 10 | 40 |
In the time that the website quantity of monitoring is 12, adjusting this first competition phase duration is 40ms, as the second competition phase duration; In the time that the website quantity of monitoring is 16, adjusting this first competition phase duration is 25ms, as the second competition phase duration; In the time that the website quantity of monitoring is 25, adjusting this first competition phase duration is 10ms, as the second competition phase duration.
Again further, the competition of second in embodiment of the present invention phase duration can be adjusted into zero, and this second beacon frame can comprise controlled competition phase information element; This controlled competition phase information element comprises the information that is used to indicate the 3rd competition time started phase and end time;
Particularly, can preset certain threshold value, when arriving after this threshold value, the second competition phase duration is adjusted into zero, and be provided with controlled competition phase information element in this second beacon frame, to indicate the information of the 3rd competition time started phase and end time.Intelligible, access point and website can be consulted to be scheduled in advance, only has the Wireless Fidelity standard of future generation of support (High Efficiency WLAN, HEW) website just can parse the controlled competition phase information element in this second beacon frame, then obtain the information of the 3rd competition time started phase and end time, and in the duration of the 3rd competition phase competitive channel resource; At length, there are following two kinds of embodiment:
The first:;
Particularly, support HEW and set up with access point the initial website being connected receive access point send the second beacon frame after, resolve this second beacon frame and obtain controlled competition phase information element, get the 3rd competition time started phase and end time (now, the second competition phase duration that the second beacon frame is corresponding concerning this website is exactly the duration of the 3rd competition phase), in the time knowing that access point has buffer memory downlink data to be sent, can in the duration of the 3rd competition phase, send power-save poll frame (PS-Poll) by the mode of competition and obtain downlink data.
The second: access point is zero adjusting the second competition phase duration, and before sending the second beacon frame according to the broadcast cycle of the second beacon frame, support the website of HEW to initiate to set up initial connection to this access point,, access point receives the probe request of supporting that the website of HEW sends, and returns to probing response frame to this website; But after access point sends the second beacon frame according to the broadcast cycle of the second beacon frame, also do not set up complete initial connection with this access point, after access point sends the second beacon frame according to the broadcast cycle of the second beacon frame, the embodiment of the present invention can also comprise so: receive described website and connect and set up message frame at the initial network entry of the interim transmission of described the 3rd competition; Connect and set up message frame according to described initial network entry, set up and be initially connected with described website.
Particularly, this website receives after the second beacon frame of access point transmission, resolve this second beacon frame and obtain controlled competition phase information element, got for the 3rd competition time started phase and end time, then in the duration of the 3rd competition phase, send the initial network entry connections such as association request frame, open authentication claim frame or authentication request frames by the mode of competition and set up message frame, access point receives this initial network entry connection and sets up after message frame, completes initial establishment of connection with this website.
Will be understood that, in above-mentioned two kinds of embodiment, do not support the website of HEW receiving after this second beacon frame, resolve this second beacon frame and find not compete phase duration, be non-competing phase duration entirely, therefore can not send initial network entry connection to website and set up message frame.Initial network entry connection in the embodiment of the present invention is set up message frame and is included but not limited to probe request, association request frame, open authentication claim frame, authentication request frames etc.
It should be noted that, controlled competition phase information element can be packaged into the form as following table in this second beacon frame:
| Element?ID | Length | CP?start?time | CP?end?time |
Comprise further again component identification Element ID, element size Length, competition time started phase CP start time and competition end time phase CP end time, but be not limited to above-mentioned packing forms.
Again further, the embodiment of the present invention can also comprise: in information element table, be provided for representing the information of described controlled competition phase information element, comprise element term Element, component identification Element ID and element size Length of indicatedelement.
Particularly, as shown in the table:
Particularly, element term can be the controlled competition phase, and component identification can be 175, and element size can self-definedly arrange.
By implementing the embodiment of the present invention, the first competition phase duration of the first beacon frame is different from the second competition phase duration of the second beacon frame, can be according to the competition phase duration of practical communication load adjustment website competitive channel, thereby control the quantity of communicating pair transmission management frames, solve in prior art because the proportion of the management frames sending in communication process is excessive, the time that makes to carry out valid data transmission is very few, cause the very low technical problem of effective utilization ratio of frequency spectrum, and when communication load reaches threshold value, it is zero that the second competition phase duration can be set, and by being set, controlled competition phase information word usually realizes the website that only allows to support Wireless Fidelity standard of future generation and initiated initial connection in access point by the 3rd competition phase competitive channel resource, do not allow not support the website of Wireless Fidelity standard of future generation, and do not initiate with access point the website competitive channel resource being initially connected, further reduced the proportion of the management frames sending in communication process, increase effective call duration time, improve the effective rate of utilization of frequency spectrum.
The above-mentioned method that elaborates the embodiment of the present invention, below for the ease of implementing better the such scheme of the embodiment of the present invention, correspondingly, is also provided for coordinating the relevant device of implementing such scheme below.
The structural representation of access point apparatus provided by the invention as shown in Figure 2, access point apparatus 20 comprises: the first beacon frame generation module 200, the first sending module 202, the second beacon frame generation module 204 and the second sending module 206, wherein
The first beacon frame generation module 200 is at very first time dot generation the first beacon frame, and described the first beacon frame comprises the first competition phase duration information, and described the first competition phase duration information represents the first competition phase duration;
The first sending module 204 is for sending described the first beacon frame according to the broadcast cycle of described the first beacon frame;
The second beacon frame generation module 206 is for generating the second beacon frame at the second time point, and described the second beacon frame comprises the second competition phase duration information, and described the second competition phase duration information represents the second competition phase duration;
The second sending module 208 is for sending described the second beacon frame according to the broadcast cycle of described the second beacon frame;
Wherein said the first competition phase duration is different from described the second competition phase duration.
Particularly, the broadcast cycle of described the first beacon frame is identical with the broadcast cycle of described the second beacon frame.
Further, the structural representation of another embodiment of access point apparatus provided by the invention as shown in Figure 3, access point apparatus 20 comprises outside the first beacon frame generation module 200, the first sending module 202, the second beacon frame generation module 204 and the second sending module 206, can also comprise: load monitoring module 208 and competition phase adjusting module 2010, wherein
Load monitoring module 208 is for monitoring the load state information of self;
Competition phase adjusting module 2010 is for adjusting described the first competition phase duration according to described load state information, the first competition phase duration after adjusting is as described the second competition phase duration.
Particularly, described load state information comprises following at least one information:
Concentrate the quantity information of setting up the website being initially connected with described access point in basic service;
Basic service concentrate set up the initial website being connected with described access point on average tell the amount of gulping down; Or
Concentrate the average connection data speed of setting up the website being initially connected with described access point in basic service.
Again further, the structural representation of competition phase adjusting module provided by the invention as shown in Figure 4, competition phase adjusting module 2010 comprises comparing unit 20100 and adjustment unit 20102, wherein
Comparing unit 20100 is for the size of more described load state information and predetermined threshold value;
Adjustment unit 20102, in the time that the magnitude relationship of described load state information and predetermined threshold value changes, is adjusted described the first competition phase duration; In the time that the magnitude relationship of described load state information and predetermined threshold value does not change, maintain described the first competition phase duration.
Again further, the structural representation of another embodiment of access point apparatus provided by the invention as shown in Figure 5, access point apparatus 20 comprises outside the first beacon frame generation module 200, the first sending module 202, the second beacon frame generation module 204, the second sending module 206, load monitoring module 208 and competition phase adjusting module 2010, can also comprise threshold value setting module 2012, for at least two predetermined threshold value are set, each predetermined threshold value correspondence is provided with competition phase duration separately;
Described adjustment unit specifically for: when the maximum preset threshold value reaching when described load state information changes, described the first competition phase duration is adjusted into competition phase duration corresponding to maximum preset threshold value reaching.
Adjustment unit 20102 can be specifically for so, when the maximum preset threshold value reaching when described load state information changes, described the first competition phase duration is adjusted into competition phase duration corresponding to maximum preset threshold value reaching.
Again further, described the second competition phase duration is zero, and described the second beacon frame comprises controlled competition phase information element; Described controlled competition phase information element comprises the information that is used to indicate the 3rd competition time started phase and end time; The structural representation of another embodiment of access point apparatus provided by the invention as shown in Figure 6, access point apparatus 20 comprises outside the first beacon frame generation module 200, the first sending module 202, the second beacon frame generation module 204, the second sending module 206, load monitoring module 208, competition phase adjusting module 2010 and threshold value setting module 2012, can also comprise the first receiver module 2014 and data interaction module 2016, wherein
The first receiver module 2014 has been set up initial connection and the power-save poll frame (PS-Poll) of website (STA) in battery saving mode for the website that receives described support Wireless Fidelity standard of future generation and described access point, and sends downlink data to described website.
Again further, described the second competition phase duration is zero, and described the second beacon frame comprises controlled competition phase information element; Described controlled competition phase information element comprises the information that is used to indicate the 3rd competition time started phase and end time; The structural representation of another embodiment of access point apparatus provided by the invention as shown in Figure 7, access point apparatus 20 comprises outside the first beacon frame generation module 200, the first sending module 202, the second beacon frame generation module 204, the second sending module 206, load monitoring module 208, competition phase adjusting module 2010 and threshold value setting module 2012, can also comprise the second receiver module 2018, the 3rd receiver module 2020 and initially be connected and set up module 2022, wherein
The second receiver module 2018, for before sending described the second beacon frame at the second sending module 206 according to the broadcast cycle of described the second beacon frame, receives the probe request of supporting that the website of Wireless Fidelity standard of future generation sends; And return to probing response frame to described website;
The 3rd receiver module 2020 is for after the second sending module 206 sends described the second beacon frame according to the broadcast cycle of described the second beacon frame, when described access point has not been set up initial connection with described website, connect and set up message frame at the initial network entry of the interim reception of described the 3rd competition;
Initial connection set up module 2022 for connecting and set up message frame according to described initial network entry, set up and be initially connected with described website, described initial network entry connection is set up message frame and is comprised probe request, association request frame, open authentication claim frame, authentication request frames etc.
It should be noted that, the access point apparatus 20 of the embodiment of the present invention can also comprise that information element table arranges module, for be provided for representing the information of described controlled competition phase information element in information element table, comprise element term, component identification and element size.
Access point apparatus 20 in the embodiment of the present invention can be for example Network Management Equipment, router, transmission node, intelligent mobile terminal or other network equipment.
Will be understood that, the function of each functional module of the access point apparatus 20 of the present embodiment can be according to the method specific implementation in said method embodiment, and the specifically corresponding associated description with reference to said method embodiment repeats no more herein.
In sum, by implementing the embodiment of the present invention, the first competition phase duration of the first beacon frame is different from the second competition phase duration of the second beacon frame, can be according to the competition phase duration of practical communication load adjustment website competitive channel, thereby control the quantity of communicating pair transmission management frames, solve in prior art because the proportion of the management frames sending in communication process is excessive, the time that makes to carry out valid data transmission is very few, cause the very low technical problem of effective utilization ratio of frequency spectrum, and when communication load reaches threshold value, it is zero that the second competition phase duration can be set, and by being set, controlled competition phase information word usually realizes the website that only allows to support Wireless Fidelity standard of future generation and initiated initial connection in access point by the 3rd competition phase competitive channel resource, do not allow not support the website of Wireless Fidelity standard of future generation, and do not initiate with access point the website competitive channel resource being initially connected, further reduced the proportion of the management frames sending in communication process, increase effective call duration time, improve the effective rate of utilization of frequency spectrum.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program to complete, described program can be stored in a computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosed is only a kind of preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, one of ordinary skill in the art will appreciate that all or part of flow process that realizes above-described embodiment, and the equivalent variations of doing according to the claims in the present invention, still belong to the scope that invention is contained.
Claims (16)
1. a wireless communications method, is characterized in that, comprising:
Access point is at very first time dot generation the first beacon frame, and described the first beacon frame comprises the first competition phase duration information, and described the first competition phase duration information represents the first competition phase duration;
Send described the first beacon frame according to the broadcast cycle of described the first beacon frame;
Generate the second beacon frame at the second time point, described the second beacon frame comprises the second competition phase duration information, and described the second competition phase duration information represents the second competition phase duration;
Send described the second beacon frame according to the broadcast cycle of described the second beacon frame;
Wherein said the first competition phase duration is different from described the second competition phase duration.
2. the method for claim 1, is characterized in that, the broadcast cycle of described the first beacon frame is identical with the broadcast cycle of described the second beacon frame.
3. the method for claim 1, is characterized in that, described before the second time point generates the second beacon frame, also comprises:
The load state information of access point monitors self, and adjust described the first competition phase duration according to described load state information, the first competition phase duration after adjusting is as described the second competition phase duration.
4. method as claimed in claim 3, is characterized in that, described load state information comprises following at least one information:
Concentrate the quantity information of setting up the website being initially connected with described access point in basic service;
Basic service concentrate set up the initial website being connected with described access point on average tell the amount of gulping down; Or
Concentrate the average connection data speed of setting up the website being initially connected with described access point in basic service.
5. method as claimed in claim 4, is characterized in that, described according to described load state information adjust described first competition phase duration comprise:
The size of more described load state information and predetermined threshold value;
In the time that the magnitude relationship of described load state information and predetermined threshold value changes, adjust described the first competition phase duration; In the time that the magnitude relationship of described load state information and predetermined threshold value does not change, maintain described the first competition phase duration.
6. method as claimed in claim 5, is characterized in that, described method also comprises: be provided with at least two predetermined threshold value, each predetermined threshold value correspondence is provided with competition phase duration separately;
In the time that the magnitude relationship of described load state information and predetermined threshold value changes, adjust described the first competition phase duration and comprise:
When the maximum preset threshold value reaching when described load state information changes, described the first competition phase duration is adjusted into competition phase duration corresponding to maximum preset threshold value reaching.
7. the method as described in claim 1-6 any one, is characterized in that, described the second competition phase duration is zero, and described the second beacon frame comprises controlled competition phase information element; Described controlled competition phase information element comprises the information that is used to indicate the 3rd competition time started phase and end time;
Before the described broadcast cycle according to described the second beacon frame sends described the second beacon frame, described method also comprises: receive the probe request of supporting that the website of Wireless Fidelity standard of future generation sends; And return to probing response frame to described website, within described the 3rd competition phase, described website carries out initial network entry connection foundation;
Or support Wireless Fidelity standard of future generation and the website in battery saving mode within described the 3rd competition phase by send the mode of power saving training in rotation frame compete obtain data cached.
8. method as claimed in claim 7, is characterized in that, described method also comprises:
The information that is provided for representing described controlled competition phase information element in information element table, comprises element term, component identification and element size.
9. an access point apparatus, is characterized in that, comprising:
The first beacon frame generation module, at very first time dot generation the first beacon frame, described the first beacon frame comprises the first competition phase duration information, and described the first competition phase duration information represents the first competition phase duration;
The first sending module, for sending described the first beacon frame according to the broadcast cycle of described the first beacon frame;
The second beacon frame generation module, for generating the second beacon frame at the second time point, described the second beacon frame comprises the second competition phase duration information, and described the second competition phase duration information represents the second competition phase duration;
The second sending module, for sending described the second beacon frame according to the broadcast cycle of described the second beacon frame;
Wherein said the first competition phase duration is different from described the second competition phase duration.
10. equipment as claimed in claim 9, is characterized in that, the broadcast cycle of described the first beacon frame is identical with the broadcast cycle of described the second beacon frame.
11. equipment as claimed in claim 9, is characterized in that, also comprise:
Load monitoring module, for monitoring the load state information of self;
Competition phase adjusting module, for adjust described the first competition phase duration according to described load state information, the first competition phase duration after adjusting is as described the second competition phase duration.
12. equipment as claimed in claim 11, is characterized in that, described load state information comprises following at least one information:
Concentrate the quantity information of setting up the website being initially connected with described access point in basic service;
Basic service concentrate set up the initial website being connected with described access point on average tell the amount of gulping down; Or
Concentrate the average connection data speed of setting up the website being initially connected with described access point in basic service.
13. equipment as claimed in claim 12, is characterized in that, described competition phase adjusting module comprises:
Comparing unit, for the size of more described load state information and predetermined threshold value;
Adjustment unit, in the time that the magnitude relationship of described load state information and predetermined threshold value changes, adjusts described the first competition phase duration; In the time that the magnitude relationship of described load state information and predetermined threshold value does not change, maintain described the first competition phase duration.
14. equipment as claimed in claim 13, is characterized in that, described access point apparatus also comprises threshold value setting module, and at least two predetermined threshold value are set, each predetermined threshold value correspondence is provided with competition phase duration separately;
Described adjustment unit specifically for, when the maximum preset threshold value reaching when described load state information changes, described the first competition phase duration is adjusted into competition phase duration corresponding to maximum preset threshold value reaching.
15. equipment as described in claim 10-14 any one, is characterized in that, described the second competition phase duration is zero, and described the second beacon frame comprises controlled competition phase information element; Described controlled competition phase information element comprises the information that is used to indicate the 3rd competition time started phase and end time; Described equipment also comprises:
The second receiver module, before sending described the second beacon frame at described the second sending module according to the broadcast cycle of described the second beacon frame, receives the probe request of supporting that the website of Wireless Fidelity standard of future generation sends; And return to probing response frame to described website;
The 3rd receiver module receives described website and carries out initial network entry and connect and set up message frame within described the 3rd competition phase;
Or receive and support that Wireless Fidelity standard of future generation and the website in battery saving mode send power saving training in rotation frame within described the 3rd competition phase, and described station for acquiring in battery saving mode is data cached.
16. equipment as claimed in claim 15, is characterized in that, described equipment also comprises:
Information element table arranges module, for be provided for representing the information of described controlled competition phase information element in information element table, comprises element term, component identification and element size.
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