CN105453690A

CN105453690A - Method and apparatus for sta state transition in wlan system

Info

Publication number: CN105453690A
Application number: CN201380078430.9A
Authority: CN
Inventors: 罗俊; 张佳胤; 马驰翔
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2013-12-18
Filing date: 2013-12-18
Publication date: 2016-03-30
Also published as: WO2015089770A1

Abstract

A method and an apparatus for STA state transition in a WLAN system are provided in the embodiments of the present invention and the method includes: when in a connected state, and if determining that there is no data to be received or transmitted by the STA in the waiting duration, the STA transmits a connection release request to an Access Point (AP); the STA receives a connection release response transmitted from the AP and transits from a connected state to an idle state, or stays in a connected state according to the connection release response. In the method, the idle state of the STA is introduced to enable a large amount of STAs with no data or accidental data to enter the idle state, to reduce transmission of management frames for the STAs in the idle state, and to reduce the influence of transmitting a large amount of management frames by this kind of STAs on competition collision of the entire network so that the MAC efficiency of the WLAN system in a dense deployment situation is enhanced. Besides, STAs with more data to be transmitted are enabled to occupy wireless resources and wireless resources utilization rate is increased by reducing the transmission of the management frames of STAs with no data or accidental data.

Description

Method and apparatus for sta state transition in wlan system

The method and apparatus technical field that STA states are shifted in wlan system

The present invention relates to the method and apparatus that STA states in data communication technology, more particularly to a kind of wlan system are shifted.Background technology is with the development of mobile Internet and the popularization of intelligent terminal, and data traffic shows the growth trend of explosion type.WLAN（Wireless Local Area Network, abbreviation WLAN) possess advantage in terms of message transmission rate and cost, one of important wireless technology for meeting hot spot region data traffic demand is become, WLAN is in media access control（Media Access Control, abbreviation MAC) MAC layer listens multiple access/conflict avoidance using the carrier frame based on competition（Carrier Sense Multiple Access/Collision Avoidance, abbreviation CSMA/CA) mechanism accesses channel, and its MAC efficiency is always by one of the problem of extensive concern in wlan system.

For wlan system, the transmission of data is completed by competitive channel, as website (STATION, abbreviation STA) no data or when having sporadic data, also some management frames such as probe requests thereby (probe request), wireless measurement report (radio measurement report) etc. can be intermittently sent, the transmission of these management frames needs also exist for competitive channel to complete.Especially in dense deployment access point（Access Point, abbreviation AP) and STA scene under（Such as gymnasium, airport/railway station）There can be the STA of a large amount of no datas or sporadic data in network, because the STA of no data or sporadic data is also required to channel competition when sending management frame, the channel competition for having the STA of big data demand can be impacted, trigger mutual competitions and conflicts between large-scale node, reduce the overall MAC efficiency of network.

In the prior art, for the STA that saves no data or sporadic data energy, wlan system defines two kinds of different energy saver modes：Traffic Indication Map（Traffic Indication Map, abbreviation TIM) and transmitted traffic instruction figure（Delivery Traffic Indication Map, abbreviation DTIM), TIM and DTIM information is in beacon frame（Beacon it is transmitted in).When STA does not have data to send, power save mode is carried out, STA is not sent under power save mode in any data, TIM technologies, when AP has data to send to STA, AP includes the STA ID of required notice in TIM information, Notify there is downlink data in the STA of power save mode, STA is heard in TIM after the ID containing oneself, send PS-Poll message to AP, notify AP its all set, can start to receive data.In DTIM technologies, AP broadcast needs the packet that may issue, and STA wakes up received data packet at the DTIM moment, without sending poll message.Although TIM/DTIM technologies can reduce a large amount of management frames of the transmission of no data or sporadic data STA, need STA to enter power save mode, all management frames can not all be sent under power save mode.In actual application, STA still has part management frame to need transmission under power save mode, and TIM/DTIM technologies can not the entirely appropriate lifting demand to MAC efficiency.The content of the invention embodiment of the present invention provides the method and apparatus that STA states are shifted in a kind of wlan system, can reduce the transmission of management frame, improves MAC efficiency.

First aspect present invention provides a kind of site STA, including：

Determining module, for when the STA is in connection status, determining that the STA does not have data receiver or transmission within waiting time；

Sending module, for after the determining module determines that the STA does not have data receiver or sent within waiting time, connection release request to be sent to access point AP；

Receiving module, for receiving the connection release response that the AP is sent；

State adjusting module, for the STA to be transferred into idle condition from connection status according to the connection release response, or keeps connection status according to the connection release response.

In the first possible implementation of first aspect present invention, the STA is transferred to after idle condition by the state adjusting module according to the connection release response from connection status,

The determining module is additionally operable to：Determine whether the STA there are data to send or receive；

The sending module is additionally operable to：If the STA there are data to send or receive, send connection to the AP and set up request；

The receiving module is additionally operable to：Receive the connection establishment response that the AP is sent；

The state adjusting module is additionally operable to：The STA is transferred to by connection status from idle condition according to the connection establishment response, or, idle condition is kept according to the connection establishment response.

In second of possible implementation of first aspect present invention, the determining module specifically for：Receive in the first beep-page message that the AP is sent, first beep-page message and include the STA Mark, first beep-page message be the AP have data to the STA sends when to the STA transmission；

Determine that the STA has data to reception according to the STA included in first beep-page message mark.

In the third possible implementation of first aspect present invention, the determining module specifically for：The second paging request message is sent to the AP；

The mark for including the STA in the second page response that the AP is returned, second page response is received, the STA determines that the STA has data receiver according to the STA included in second page response mark.

In the 4th kind of possible implementation of first aspect present invention, the determining module specifically for：It is determined that sending in caching has data to be sent, it is determined that the STA has data to send.

In the 5th kind of possible implementation of first aspect present invention, the determining module is additionally operable to before the first beep-page message that the AP is sent is received：

Paging capability, paging interval, paging duration that the AP sends are received, and the first beep-page message that the AP is sent is received according to the paging capability, paging interval, paging duration.

In the 6th kind of possible implementation of first aspect present invention, the STA is transferred to after connection status by the state adjusting module according to the connection establishment response from idle condition, and the sending module is additionally operable to：Management frame is sent to the AP；

The receiving module is additionally operable to：Receive the management frame that the AP is sent.

Second aspect of the present invention provides a kind of access point AP, including：

Receiving module, the connection release request sent for receiving station STA, the connection release request is that STA determines within waiting time not having certainly to send to the AP when data receiver or transmission in connection status；

Determining module, is used to determine whether to allow the STA to be transferred to idle condition from connection status；Sending module, for the determination result according to the determining module, returns to connection release response, the connection release response is used to indicate that the STA is transferred to idle condition from connection status, or indicates that the STA keeps connection status to the STA.

In the first possible implementation of second aspect of the present invention, if the STA is transferred to idle condition from connection status, the receiving module is additionally operable to：

The connection foundation request that the STA is sent is received, it is that the STA is true that request is set up in the connection It is fixed itself to have what is sent when data transmission or reception to the AP；

The determining module is additionally operable to：Determine whether that the STA is transferred to connection status from idle condition；

The sending module is additionally operable to：According to the determination result of the determining module, connection establishment response is sent to the STA, the connection establishment response is used to indicate that the STA is transferred to connection status from idle condition, or, indicate that the STA keeps idle condition.

In second of possible implementation of second aspect of the present invention, when the AP has data to be sent to the STA, the sending module is additionally operable to：Sending the first beep-page message to the STA notifies the STA to have data to the mark for including the STA in reception, first beep-page message.

In the third possible implementation of second aspect of the present invention, the receiving module is additionally operable to：Receive the second paging request message that the STA is sent；

The mark for including the STA in the second page response, second page response is returned to the STA according to second paging request message.

In the 4th kind of possible implementation of second aspect of the present invention, the sending module sends first to the STA and sought before STA described in message informing has data to reception, is additionally operable to：

Its paging capability, paging interval, paging duration are broadcasted, so that the STA receives the first beep-page message that the AP is sent according to the paging capability, paging interval, paging duration.

In the 5th kind of possible implementation of second aspect of the present invention, the sending module specifically for:According to the default cycle first beep-page message is sent to the STA.

Third aspect present invention provides a kind of transfer method of STA states in wlan system, including：When site STA is in connection status, the STA determines from not having data receiver or transmission within waiting time, then to send connection release request to access point AP；

The STA receives the connection release response that the AP is sent, and idle condition is transferred to from connection status according to the connection release response, or the STA keeps connection status according to the connection release response.

In the first possible implementation of third aspect present invention, the STA receives the connection release response that the AP is sent, and is transferred to according to the connection release response from connection status after idle condition, in addition to：

The STA determines itself have data to send or receive, then the STA sends connection to the AP and sets up request； The STA receives the connection establishment response that the AP is sent, and connection status is transferred to from idle condition according to the connection establishment response, or, the STA keeps idle condition according to the connection establishment response.

In second of possible implementation of third aspect present invention, the STA determines itself there is data receiver, including：

The STA receives the mark for including the STA in the first beep-page message that the AP is sent, first beep-page message, and first beep-page message is that the AP is sent when having data to be sent to the STA to the STA；

The STA determines that the STA has data to reception according to the STA included in first beep-page message mark.

In the third possible implementation of third aspect present invention, the STA determines itself there is data receiver, including：

The STA sends the second paging request message to the AP；

The STA receives the mark for including the STA in the second page response that the AP is returned, second page response, and the STA determines that itself has data receiver according to the mark comprising the STA in second page response.

In the 4th kind of possible implementation of third aspect present invention, the STA determines itself there is data transmission, including：

The STA, which determines to send in caching, data to be sent, it is determined that itself have data to send.In the 5th kind of possible implementation of third aspect present invention, the STA is receiving described

Before the first beep-page message that AP is sent, in addition to：

The paging capability of the STA receptions AP transmissions, paging interval, paging duration, and the first beep-page message that the AP is sent is received according to the paging capability, paging interval, paging duration.

In the 6th kind of possible implementation of third aspect present invention, the STA receives the connection establishment response that the AP is sent, and is transferred to according to the connection establishment response from idle condition after connection status, in addition to：

The STA sends management frame to the AP, or, the STA receives the management frame that the AP is sent.

Fourth aspect present invention provides a kind of method that STA states are shifted in wlan system, including： The connection release request that access point AP receiving stations STA is sent, the connection release request is that STA determines within waiting time not having certainly to send to the AP when data receiver or transmission in connection status；

The AP determines whether that the STA is transferred to idle condition from connection status；

If so, the AP sends connection release response to the STA, the connection release response is used to indicate that the STA is transferred to idle condition from connection status；

If it is not, the AP sends connection release response to the STA, the connection release response is used to indicate that the STA keeps connection status.

In the first possible implementation of fourth aspect present invention, if the STA is transferred to idle condition from connection status, the AP is returned to the STA after connection release response, in addition to：The AP receives the connection foundation request that the STA is sent, and it is that the STA determines to send to the AP when itself having data to send or receive that request is set up in the connection；

The AP sets up request according to the connection, and connection establishment response is sent to the STA, and the connection establishment response is used to indicate that the STA is transferred to connection status from idle condition, or, indicate that the STA keeps idle condition.

In second of possible implementation of fourth aspect present invention, in addition to：

When the AP has data to be sent to the STA, the AP sends the first beep-page message to the STA and notifies the STA to have data to the mark for including the STA in reception, first beep-page message.

In the third possible implementation of fourth aspect present invention, in addition to：

The AP receives the second paging request message that the STA is sent；

The AP returns to the mark for including the STA in the second page response, second page response according to second paging request message to the STA.

In the 4th kind of possible implementation of fourth aspect present invention, the AP sends first to the STA and sought before STA described in message informing has data to reception, in addition to：

The AP broadcasts its paging capability, paging interval, paging duration, so that the STA receives the first beep-page message that the AP is sent according to the paging capability, paging interval, paging duration.

In the 6th kind of possible implementation of fourth aspect present invention, the AP sends the first beep-page message to the STA and notifies the STA to have data to reception, including： The AP sends the first beep-page message to the STA according to the default cycle and notifies the STA to have data to reception.

The method and apparatus that STA states are shifted in wlan system provided in an embodiment of the present invention, introduce STA idle condition and connection status, the STA of a large amount of no datas or sporadic data is allowed to enter idle condition, reduce the transmission of management frame for entering the STA of idle condition, reduce the influence that conflict is competed whole network when this kind of STA sends a large amount of management frames, to lift the MAC efficiency of wlan system under dense deployment scene, and reduce the transmission of the STA management frames of no data or sporadic data, other can be allowed to have more data to send STA and take Radio Resource, lift wireless resource utility efficiency.Brief description of the drawings is in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are some embodiments of the present invention, for those of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is a kind of STA structural representation provided in an embodiment of the present invention；

Fig. 2 is another STA provided in an embodiment of the present invention structural representation；

Fig. 3 is a kind of AP structural representation provided in an embodiment of the present invention；

Fig. 4 is the flow chart of the embodiment of the method one of STA states transfer in wlan system of the present invention；Fig. 5 is the flow chart of the embodiment of the method two of STA states transfer in wlan system of the present invention；Fig. 6 is the flow chart of the embodiment of the method three of STA states transfer in wlan system of the present invention；Fig. 7 is the signaling process figure of the embodiment of the method four of STA states transfer in wlan system of the present invention；

Fig. 8 is the signaling process figure of the embodiment of the method five of STA states transfer in wlan system of the present invention；

Fig. 9 is another STA provided in an embodiment of the present invention structural representation；

Figure 10 is another AP provided in an embodiment of the present invention structural representation.Embodiment

To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with this Accompanying drawing in inventive embodiments, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.

Fig. 1 is a kind of STA structural representation provided in an embodiment of the present invention, as shown in figure 1, the STA that the present embodiment is provided includes：Determining module 11, sending module 12, receiving module 13, state adjusting module 14.

Wherein it is determined that module 11, for when STA is in connection status, determining that STA does not have data receiver or transmission within waiting time.

In various embodiments of the present invention, STA idle condition is introduced（Radio-IDLE) and connection status

(radio-connected), allow no data or sporadic data STA it is unsure according to send when enter idle condition, STA enter idle condition after, configuration enter idle condition STA reduce management frame transmission.When STA is in connection status, determining module 11 judges that STA sent or received either with or without data within waiting time.

Sending module 12, for after determining module 11 determines that STA does not have data receiver or sent within waiting time, connection release request to be sent to access point AP.

If it is determined that module 11 judges that STA does not have any data to send or receive within waiting time, then sending module 12 sends connection release request to AP, and request is transferred to idle condition from connection status.

Receiving module 13, the connection release response for receiving AP transmissions.

State adjusting module 14, for STA to be transferred into idle condition from connection status according to connection release response, or keeps connection status according to connection release response.

AP is received after the connection release request of STA transmissions, determine whether to carry out state transfer to STA, and return to connection release response to STA, if AP allows STA to carry out state transfer, then state adjusting module 14 is transferred to idle condition according to connection release response from connection status, if AP does not allow STA to carry out state transfer, state adjusting module 14 keeps connection status according to connection release response, it is achieved thereby that management of the AP to STA.

It should be noted that, STA is not off Receiver And Transmitter in an idle state in the present embodiment, STA remains able to send data, simply STA reduces the transmission of management frame in an idle state, it can just enter idle condition for the STA without data or sporadic data, the frequency of management frame transmission can be reduced for the STA under idle condition, sends within every 10 seconds and once manages if any the mass data STA to be sent Manage frame, then for the STA under idle condition, it can configure its 20 seconds or 30 seconds or even the longer time just send a management frame, the transmission of management frame is reduced for the STA without data or sporadic data, the transmission of this kind of STA normal datas can't be influenceed, but the transmission of this kind of STA management frames is reduced, this kind of STA and the STA competitive channels for having mass data to be sent can be avoided, the MAC efficiency of whole system is improved.

The STA that the present embodiment is provided, introduce STA idle condition and connection status, the STA of a large amount of no datas or sporadic data is allowed to enter idle condition, reduce the transmission of management frame for entering the STA of idle condition, reduce the influence that conflict is competed whole network when this kind of STA sends a large amount of management frames, to lift the MAC efficiency of wlan system under dense deployment scene, and reduce the transmission of the STA management frames of no data or sporadic data, other can be allowed to have more data to send STA and take Radio Resource, wireless resource utility efficiency is lifted.

Fig. 2 is another STA provided in an embodiment of the present invention structural representation, as shown in Fig. 2 the STA that the present embodiment is provided includes：Determining module 21, sending module 22, receiving module 23, state adjusting module 24.

Wherein it is determined that module 21, for when STA is in connection status, determining that STA does not have data receiver or transmission within waiting time；

Sending module 22, for after determining module 21 determines that STA does not have data receiver or sent within waiting time, connection release request to be sent to access point AP；

Receiving module 23, the connection release response for receiving AP transmissions；

State adjusting module 24, for STA to be transferred into idle condition from connection status according to connection release response, or keeps connection status according to connection release response.

After STA is transferred to idle condition from connection status, determining module 21 is additionally operable to：Determine whether STA there are data to send or receive, if STA has data to send or receive, sending module 22 sends connection to AP and sets up request, request is transferred to connection status from idle condition, AP sets up request to STA return connection establishment responses according to connection, receiving module 23 receives the connection establishment response that AP is sent, STA is transferred to connection status by state adjusting module 24 according to connection establishment response from idle condition, or, idle condition is kept according to connection establishment response.

Determining module 21 determines that STA has data to reception especially by following two modes：

First way, when AP has data to send to STA, AP actively sends the first beep-page message to STA（Paging), determining module 21 receives the first beep-page message that AP is sent, the first paging STA mark is included in message, determining module 21 determines that STA has data to reception according to the STA included in the first beep-page message mark.In this fashion, AP also needs to broadcast transmission its paging capability, paging interval, paging duration etc., so that determining module 21 receives the first beep-page message that AP is sent in the corresponding time according to AP paging capability, paging interval, paging duration.AP can be in beacon frame（) or probing response frame Beacon（Probe response) in RP Radio Paging relevant information, specifically, paging capability field, paging interval field and paging Duration field can be increased newly in beacon frame or probing response frame.

The second way, STA actively sends the second paging request message to AP, and whether inquiry has the downlink data for oneself, if so, then AP replys the second page response with the STA ID（Paging response), notify STA to have downlink data.Determining module 21 receives the mark for including STA in the second page response that AP is returned, the second page response, and determining module 21 finds the mark for including STA in the second page response, it is determined that STA has data receiver.

In the present embodiment, determining module 21 determines that STA has data transmission, specifically, determining whether STA transmission has data to be sent in caching, if so, then determining that STA has data to send.

In the present embodiment, STA is transferred to after connection status by state adjusting module 24 from idle condition, and sending module 22 is additionally operable to：Management frame is sent to AP；Receiving module 23 is additionally operable to：Receive the management frame that AP is sent.

In the present embodiment, after STA is transferred to idle condition by connection status, if it is determined that module 24 determines that STA has data to send or received, sending module 22 sends connection to AP and sets up request, request is transferred to connection status from idle condition, and STA has data to send and includes STA and have management frame to send here.The connection that AP receives STA transmissions is set up after request, determine whether to STA being transferred to connection status by idle condition, for example, request is set up in the connection that AP receives STA transmissions, then, judge whether the STA of present access network data reach default threshold value, if the STA of current network access quantity has exceeded threshold value, illustrate that the STA data accessed in network are a lot, now, AP can refuse STA and be transferred to connection status by idle condition, then AP indicates that STA keeps idle condition in the connection establishment response returned to STA, so as to reduce the transmission of the STA management frames, avoid the STA and other STA competitive channels.If the STA of current network access quantity is less than threshold value, AP allows STA to be transferred to connection status from idle condition, then AP indicates that STA is transferred to connection status from idle condition in the connection establishment response returned to STA.Certainly, AP can also determine whether that STA is transferred to other states from idle condition by other conditions. The STA that the present embodiment is provided, introduce STA idle condition, allow no data to send or the sporadic data STA to be sent enters idle condition, reduce the transmission of management frame for entering the STA of idle condition, and notify STA to have downlink data by way of AP sends paging and STA actively carries out paging, STA is enabled normally to send necessary management frame, whole network competition conflict can be reduced while not influenceing and reducing the transmission of this kind of STA management frames to ring, to lift the MAC efficiency of wlan system under dense deployment scene.

Fig. 3 is a kind of AP structural representation provided in an embodiment of the present invention, as shown in figure 3, the AP that the present embodiment is provided includes：Receiving module 31, determining module 32, sending module 33.

Wherein, receiving module 31, the connection release request sent for receiving station STA, connection release request is that STA determines within waiting time not having certainly to send to AP when data receiver or transmission in connection status.

When STA is in connection status, if STA does not have any data to send or receive within waiting time, then STA sends connection release request to AP, and request is transferred to idle condition from connection status, and receiving module 31 receives the connection release request that STA is sent.

Determining module 32, is used to determine whether to allow STA to be transferred to idle condition from connection status；Sending module 33, for the determination result according to determining module 32, returns to connection release response, connection release response is used to indicate that STA is transferred to idle condition from connection status, or indicates that STA keeps connection status to STA.

Receiving module 31 is received after the connection release request of STA transmissions, determining module 32 determines whether to carry out state transfer to STA, for example, determining module 32 judges whether the STA of present access network data reach default threshold value, if the STA of current network access quantity has exceeded threshold value, illustrate that the STA data accessed in network are a lot, now, AP can refuse STA and be transferred to connection status by idle condition, then AP indicates that STA keeps idle condition in the connection establishment response returned to STA, so as to reduce the transmission of the STA management frames, avoid the STA and other STA competitive channels.If the STA of current network access quantity is less than threshold value, AP allows STA to be transferred to connection status from idle condition, then AP indicates that STA is transferred to connection status from idle condition in the connection establishment response returned to STA.Certainly, determining module 32 can also determine whether that STA is transferred to other states from idle condition by other conditions.

Specific determination methods are referred to the description of embodiment illustrated in fig. 2, if allowing STA to be transferred to idle condition from connection status, sending module 33 indicates STA in connection release response is returned to STA Idle condition is transferred to from connection status, if not allowing STA to be transferred to idle condition from connection status, sending module 33 indicates that STA keeps connection status in connection release response is returned to STA.

In STA after connection status is transferred to idle condition, request is set up in the connection that receiving module 31 also receives STA transmissions, and the connection sets up request and determines for STA and itself have data to send or receive that when sends to AP.Determining module 32 is additionally operable to：Determine whether that STA is transferred to connection status from idle condition；If allowing STA to be transferred to connection status from idle condition, then sending module 33 indicates that STA is transferred to connection status from idle condition in connection establishment response is sent to STA, if not allowing STA to be transferred to connection status from idle condition, sending module 33 indicates that STA keeps idle condition in connection establishment response is sent to STA.

In the present embodiment, when AP has data to be sent to STA, sending module 33 is additionally operable to：Sending the first beep-page message to STA notifies STA to have data to receive, and STA mark is included in the first beep-page message.STA is received after the first beep-page message, is determined itself to have data to receive according to the mark comprising STA in the first beep-page message, then the data that AP is sent are received in the corresponding time.Sending module 33 sends first to STA and sought before message informing STA has data to reception, is additionally operable to：Its paging capability, paging interval, paging duration are broadcasted, so that STA receives the first beep-page message that AP is sent according to paging capability, paging interval, paging duration.Sending module 33 periodically can send the first beep-page message according to the default cycle to STA.

In the present embodiment, when STA actively can send the second paging request message to AP, whether inquiry has the downlink data for oneself, and receiving module 31 receives the second paging request message that STA is sent；If AP has data to send to STA, the second page response identified with the STA is replied to STA.

Fig. 4 be wlan system of the present invention in STA states shift embodiment of the method one flow chart, as shown in figure 4, the present embodiment offer method Bao include Yi Xia Walk it is rapid：

Walk rapid 101, when STA is in connection status, STA is determined from not having data receiver or transmission within waiting time, then sends connection release request to AP.

In various embodiments of the present invention, STA idle condition is introduced（Radio-IDLE) and connection status (radio-connected), allow no data or sporadic data STA it is unsure according to send when enter idle condition, after STA enters idle condition, configuration enters the transmission of the STA reduction management frames of idle condition.When STA is in connection status, if STA does not have any data to send or receive within waiting time, STA sends connection release request to AP, and request is transferred to idle shape from connection status State.

Walk rapid 102, STA receive the connection release response that AP is sent, and idle condition is transferred to from connection status according to connection release response, or STA keeps connection status according to connection release response.

AP is received after the connection release request of STA transmissions, determine whether to carry out state transfer to STA, and return to connection release response to STA, if AP allows STA to carry out state transfer, then STA is transferred to idle condition according to connection release response from connection status, if AP does not allow STA to carry out state transfer, STA keeps connection status according to connection release response, it is achieved thereby that management of the AP to STA.

After STA is transferred to idle condition from connection status, if STA determines itself have data to send or receive, then STA sends connection to AP and sets up request, request is transferred to connection status from idle condition, it should be noted that, STA is not off Receiver And Transmitter in an idle state in the present embodiment, STA remains able to send data, simply STA reduces the transmission of management frame in an idle state, it can just enter idle condition for the STA without data or sporadic data, the frequency of management frame transmission can be reduced for the STA under idle condition, a management frame is sent if any the mass data STA to be sent within every 10 seconds, then for the STA under idle condition, it can configure its 20 seconds or 30 seconds or even the longer time just send a management frame, the transmission of management frame is reduced for the STA without data or sporadic data, the transmission of this kind of STA normal datas can't be influenceed, but reduce the transmission of this kind of STA management frames, this kind of STA and the STA competitive channels for having mass data to be sent can be avoided, improve the MAC efficiency of whole system.

The method that the present embodiment is provided, introduce STA idle condition, the STA of a large amount of no datas or sporadic data is allowed to enter idle condition, reduce the transmission of management frame for entering the STA of idle condition, reduce the influence that conflict is competed whole network when this kind of STA sends a large amount of management frames, to lift the MAC efficiency of wlan system under dense deployment scene, and reduce the transmission of the STA management frames of no data or sporadic data, other can be allowed to have more data to send STA and take Radio Resource, wireless resource utility efficiency is lifted.

It should be noted that, in the feasible implementation of the present invention, when STA determines do not have data receiver or transmission within waiting time certainly, STA can not send connection release request to AP, STA is directly transferred to idle condition from connection status, and send a state call announcement message to AP after idle condition is transferred to, AP oneself is notified to be transferred to idle condition from connection status, so that AP is able to know that STA state, preferably realize the management to STA, in this mode, AP to STA without sending out Connection release response is sent, the expense of AP signaling is reduced, but this mode also has some drawbacks, because in some cases, AP does not allow STA to be transferred to idle condition from connection status.In various embodiments of the present invention, both modes are all feasible, and the present invention is not limited this.

Fig. 5 be wlan system of the present invention in STA states shift embodiment of the method two flow chart, as shown in figure 5, the present embodiment offer method Bao include Yi Xia Walk it is rapid：

Walk rapid 201, when STA is in connection status, STA is determined from not having data receiver or transmission within waiting time, then sends connection release request to AP.

Walk rapid 202, STA receive the connection release response that AP is sent, and idle condition is transferred to from connection status according to connection release response.

Walk rapid 203, STA determine itself have data to send or receive, then STA sends connection to AP and sets up request.

In the present embodiment, STA determines that itself has data receiver, there is following two modes：

First way, when AP has data to send to STA, AP actively sends the first beep-page message to STA（Paging), STA receives the mark for including STA in the first beep-page message that AP is sent, the first beep-page message；STA is received after the first beep-page message, finds to include the mark of itself in the first beep-page message, then STA determines itself to have data to receive.In this fashion, AP also needs to broadcast transmission its paging capability, paging interval, paging duration etc., so that STA receives the first beep-page message that AP is sent in the corresponding time according to AP paging capability, paging interval, paging duration.AP can be in beacon frame (Beacon) or probing response frame（Probe response) in RP Radio Paging relevant information, specifically, paging capability field, paging interval field and paging Duration field can be increased newly in beacon frame or probing response frame.

The second way, STA actively sends the second paging request message to AP, and whether inquiry has the downlink data for oneself, if so, then AP replys the second page response with the STA ID（Paging response), notify STA to have downlink data.STA receives the mark for including STA in the second page response that AP is returned, the second page response, and STA has found to include the mark of itself in the second page response, it is determined that itself has data receiver.

In the present embodiment, STA determines itself there is data transmission, specifically, STA determines whether there are data to be sent in the transmission caching of itself, if so, then determining itself to have data to send.

Walk rapid 204, STA receive the connection establishment response that AP is sent, and connection status is transferred to from idle condition according to connection establishment response. In the present embodiment, after STA is transferred to idle condition by connection status, oneself have data to send or receive if STA is determined, then STA sends connection to AP and sets up request, request is transferred to connection status from idle condition, and STA has data to send and includes STA and have management frame to send here.The connection that AP receives STA transmissions is set up after request, determine whether to STA being transferred to connection status by idle condition, for example, request is set up in the connection that AP receives STA transmissions, then, judge whether the STA of present access network data reach default threshold value, if the STA of current network access quantity has exceeded threshold value, illustrate that the STA data accessed in network are a lot, now, AP can refuse STA and be transferred to connection status by idle condition, then AP indicates that STA keeps idle condition in the connection establishment response returned to STA, so as to reduce the transmission of the STA management frames, avoid the STA and other STA competitive channels.If the STA of current network access quantity is less than threshold value, AP allows STA to be transferred to connection status from idle condition, then AP indicates that STA is transferred to connection status from idle condition in the connection establishment response returned to STA.Certainly, AP can also determine whether that STA is transferred to other states from idle condition by other conditions.

STA receives the connection establishment response that AP is sent, and connection status is transferred to from idle condition according to connection establishment response, certainly, and AP does not allow if STA is transferred to connection status in some cases, then STA keeps idle condition according to connection status response.

The method that the present embodiment is provided, bow 1 enters STA idle condition, allow and largely enter idle condition, reduce the transmission of management frame for entering the STA of idle condition, and notify STA to have downlink data by way of AP sends paging and STA actively carries out paging, STA is enabled normally to send necessary management frame, whole network competition conflict can be reduced while not influenceing and reducing the transmission of this kind of STA management frames to ring, to lift the MAC efficiency of wlan system under dense deployment scene.

Fig. 6 be wlan system of the present invention in STA states shift embodiment of the method three flow chart, as shown in fig. 6, the present embodiment offer method Bao include Yi Xia Walk it is rapid：

Walk rapid 301, AP receive the connection release request that STA is sent, and connection release request is that STA determines within waiting time not having certainly to send to AP when data receiver or transmission in connection status.

In the present embodiment, when STA is in connection status, if STA does not have any data to send or receive within waiting time, STA sends connection release request to AP, request is transferred to idle condition from connection status, and AP receives the connection release request that STA is sent.

Walk rapid 302, AP determine whether that STA is transferred to idle condition from connection status.

If so, Zhi Hang Walk rapid 303, if it is not, Zhi Hang Walk rapid 304. Walk rapid 303, AP send connection release response to STA, and connection release response is used to indicate that STA is transferred to idle condition from connection status.

If AP determines to allow STA to be transferred to idle condition from connection status, this Walk is performed rapid.

Walk rapid 304, AP send connection release response to STA, and connection release response is used to indicate that STA keeps connection status.

If AP determines not allowing STA to be transferred to idle condition from connection status, this Walk is performed rapid.If STA is transferred to idle condition from connection status, if STA has data to send or receive, connection, which is sent, to AP sets up request, AP sets up request according to connection, the connection establishment response connection establishment response is returned for indicating that STA is transferred to connection status from idle condition to STA, or, indicate that STA keeps idle condition.After STA is transferred to connection status from idle condition, STA can carry out normal data transmit-receive.

The method that the present embodiment is provided, when STA does not have data transmission, idle condition is transferred to AP requests from connection status, the STA of a large amount of no datas or sporadic data is allowed to enter idle condition, reduce the transmission of management frame for entering the STA of idle condition, reduce the influence that conflict is competed whole network when this kind of STA sends a large amount of management frames, to lift the MAC efficiency of wlan system under dense deployment scene, and reduce the transmission of the STA management frames of no data or sporadic data, other can be allowed to have more data to send STA and take Radio Resource, lift wireless resource utility efficiency.

Fig. 7 be wlan system of the present invention in STA states shift embodiment of the method four signaling process figure, as shown in fig. 7, the present embodiment offer method Bao include Yi Xia Walk it is rapid：

Walk rapid 401, AP broadcast its paging capability, paging interval, paging duration.

AP broadcasts its paging capability, paging interval, paging duration etc., so that STA receives the first beep-page message that AP is sent according to paging capability, paging interval, paging duration.

Walk rapid 402, AP send the first beep-page message to STA.

When AP has data to be sent to STA, AP sends the first beep-page message to STA and notifies STA to have data to receive, and STA mark is included in the first beep-page message.

In this mode, when AP has data to be sent to STA, AP actively sends the first beep-page message to STA, notifies STA to have downlink data to receive.

Walk rapid 403, STA receive the first beep-page message that AP is sent, and according to the mark that STA is included in the first beep-page message, determine itself there is downlink data reception.

Walk rapid 404, STA send connection to AP and set up request, for asking to be transferred to company from idle condition Connect state.

Walk rapid 405, AP receive the connection foundation request that STA is sent, and request is set up according to connection, to STA transmission connection establishment responses, and connection establishment response is used to indicate that STA is transferred to connection status from idle condition, or, indicate that STA keeps idle condition.

AP receives the connection foundation request that STA is sent, determine whether that STA is transferred to connection status from idle condition, A is for example, request is set up in the connection that AP receives STA transmissions, then, judge whether the STA of present access network data reach default threshold value, if the STA of current network access quantity has exceeded threshold value, illustrate that the STA data accessed in network are a lot, now, AP can refuse STA and be transferred to connection status by idle condition, then AP indicates that STA keeps idle condition in the connection establishment response returned to STA, so as to reduce the transmission of the STA management frames, avoid the STA and other STA competitive channels.If the STA of current network access quantity is less than threshold value, AP allows STA to be transferred to connection status from idle condition, then AP indicates that STA is transferred to connection status from idle condition in the connection establishment response returned to STA.Certainly, AP can also determine whether that STA is transferred to other states from idle condition by other conditions.

Fig. 8 be wlan system of the present invention in STA state transition methods embodiment five signaling process figure, as shown in figure 8, the present embodiment offer method Bao include Yi Xia Walk it is rapid：

Walk rapid 501, STA send the second paging request message to AP.

In the present embodiment, STA actively sends the second paging request message to AP, it is determined whether having will receive for the downlink data of oneself.

Walk rapid 502, AP receive the mark for including STA in the second paging request message that STA is sent, and the second page response sent to STA, the second page response.

If AP have data to send, AP according to the second paging request message to STA return the second page response, and in the second paging request message add STA mark.

Walk rapid 503, STA receive the second page response, according to the STA included in the second page response mark, determine itself there is downlink data reception.

Walk rapid 504, STA send connection to AP and set up request, for asking to be transferred to connection status from idle condition.

Walk rapid 505, AP receive the connection foundation request that STA is sent, and request is set up according to connection, connection establishment response is sent to STA, connection establishment response is used to indicate that STA is transferred to connection status from idle condition, or, indicate that STA keeps idle condition. Fig. 9 is another STA provided in an embodiment of the present invention structural representation, as shown in figure 9, the STA600 that the present embodiment is provided includes：Processor 61, memory 62, transmitter 63, receiver 64, memory 62, transmitter 63, receiver 64 are connected by bus with processor 61 respectively, memory 62 stores execute instruction, when STA600 is run, communicated between processor 61 and memory 62, the execute instruction of processor 61 causes STA600 to perform STA state transition methods in the wlan system that the present invention is provided.

Processor 61, for when STA is in connection status, determining that STA does not have data receiver or transmission within waiting time；

Transmitter 63, for it is determined that STA do not have within waiting time data receiver or send after, to access point AP send connection release request；

Receiver 64, the connection release response for receiving AP transmissions；

Processor 61 is additionally operable to：STA is transferred to from connection status by idle condition according to connection release response, or connection status is kept according to connection release response.

STA is transferred to after idle condition by processor 61 according to connection release response from connection status, is additionally operable to：Determine whether STA there are data to send or receive；Transmitter 63 is additionally operable to：If STA there are data to send or receive, send connection to AP and set up request；Receiver 64 is additionally operable to：The connection establishment response that AP is sent is received, processor 61 is additionally operable to that STA is transferred into connection status from idle condition according to connection establishment response, or, idle condition is kept according to connection establishment response.

In the present embodiment, after STA is transferred to idle condition from connection status state, if STA has data to receive, AP can send the first beep-page message to STA, receiver 64 receives the first beep-page message that AP is sent, STA mark is included in first beep-page message, the first beep-page message is that AP is sent when there are data to be sent to STA to STA；Processor 61 specifically for：Determine that STA has data to reception according to the STA included in the first beep-page message mark.Or, STA can also be asked whether to have data to receive by transmitter 63 to AP the second paging request messages of transmission；Receiver 64 receives the mark for including STA in the second page response that AP is returned, the second page response, and processor 61 determines that STA has data receiver according to the mark comprising STA in the second page response.

In the present embodiment, processor 61 determines whether STA has data to transmission and be specially：There are data to be sent in the transmission caching for determining STA, it is determined that STA has data to send.

In the present embodiment, receiver 64 is additionally operable to before the first beep-page message that AP is sent is received：Receive AP send paging capability, paging interval, the paging duration, and according to AP paging capability, Paging interval, paging duration receive the first beep-page message that AP is sent.

In the present embodiment, STA is transferred to after connection status by processor 61 according to connection establishment response from idle condition, and STA just normally can send management frame to AP, or receive the management frame that AP is sent.

The STA that the present embodiment is provided, available for the technical scheme performed shown in Fig. 4 and Fig. 5, specific implementation is similar with technique effect, repeats no more here.

Figure 10 is another AP provided in an embodiment of the present invention structural representation, as shown in Figure 10, and the AP700 that the present embodiment is provided includes：Processor 71, memory 72, transmitter 73, receiver 74, memory 72, transmitter 73, receiver 74 are connected by bus with processor 71 respectively, memory 72 stores execute instruction, when AP700 is run, communicated between processor 71 and memory 72, the execute instruction of processor 71 causes AP700 to perform STA state transition methods in the wlan system that the present invention is provided.

Receiver 74, the connection release request sent for receiving station STA, connection release request is that STA determines within waiting time not having certainly to send to AP when data receiver or transmission in connection status；

Processor 71, is used to determine whether to allow STA to be transferred to idle condition from connection status；Transmitter 73, for the determination result according to processor 71, returns to connection release response, connection release response is used to indicate that STA is transferred to idle condition from connection status, or indicates that STA keeps connection status to STA.

If STA is transferred to idle condition from connection status, receiver 74 is additionally operable to：The connection foundation request that STA is sent is received, it is that STA determines to send to AP when itself there are data to send or receive that request is set up in connection；Processor 71 is additionally operable to：Determine whether that STA is transferred to connection status from idle condition；Transmitter 73 is additionally operable to：If allowing STA to be transferred to connection status from idle condition, then sent to STA and indicate that STA is transferred to connection status from idle condition in connection establishment response, if do not allow STA from idle condition be transferred to connection status or, to STA send connection establishment response in indicate STA keep idle condition.

In the present embodiment, after STA is transferred to idle condition from connection status, if AP has data to be sent to STA, transmitter 73 sends the first beep-page message to STA and notifies STA to have data to receive, and STA mark is included in the first beep-page message.Or, receiver 74 receives the second paging request message that STA is sent, if AP has data to send to STA, according to the second paging request message to STA Return to the mark for including STA in the second page response, the second page response.Wherein, transmitter 73 can according to the default cycle to STA send the first beep-page message.

In the present embodiment, transmitter 73 sends first to STA and sought before message informing STA has data to reception, is additionally operable to：Its paging capability, paging interval, paging duration are broadcasted, so that STA receives the first beep-page message that AP is sent according to paging capability, paging interval, paging duration.

The AP that the present embodiment is provided, available for the technical scheme that embodiment of the method shown in Fig. 6 is provided is performed, specific implementation is similar with technique effect, repeats no more here.

In several embodiments provided by the present invention, it should be understood that disclosed apparatus and method, it can realize by another way.For example, device embodiment described above is only schematical, for example, the division of unit, it is only a kind of division of logic function, there can be other dividing mode when actually realizing, such as multiple units or component can combine or be desirably integrated into another system, or some features can be ignored, or do not perform.Another, it, by some interfaces, the INDIRECT COUPLING or communication connection of device or unit, can be electrical, machinery or other forms that shown or discussed coupling or direct-coupling or communication connection each other, which can be,.

The unit illustrated as separating component can be or may not be physically separate, and the part shown as unit can be or may not be physical location, you can with positioned at a place, or can also be distributed on multiple NEs.Some or all of unit therein can be selected to realize the purpose of this embodiment scheme according to the actual needs.

In addition, each functional unit in each of the invention embodiment can be integrated in a processing unit or unit is individually physically present, can also two or more units it is integrated in a unit.Above-mentioned integrated unit can both be realized in the form of hardware, it would however also be possible to employ hardware adds the form of SFU software functional unit to realize.

The above-mentioned integrated unit realized in the form of SFU software functional unit, can be stored in a computer read/write memory medium.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are to cause a computer equipment（Can be personal computer, server, or network equipment etc.）Or processor（Processor the present invention each embodiment method Bu Fen Walk) are performed rapid.And foregoing storage medium includes：USB flash disk, mobile hard disk, read-only storage（Read-Only Memory, ROM), random access memory（Random Access Memory, RAM), magnetic disc or CD etc. are various can be with the medium of store program codes.

One of ordinary skill in the art will appreciate that：Realize that above method embodiment full portions or Bu Fen Walk are rapid It can be completed by the related hardware of programmed instruction, foregoing program can be stored in a computer read/write memory medium, upon execution, it is rapid that execution includes above method embodiment Walk to the program；And foregoing storage medium includes：ROM, RAM, magnetic disc or CD etc. are various can be with the medium of store program codes.

Finally it should be noted that：Various embodiments above is merely illustrative of the technical solution of the present invention, rather than its limitations；Although the present invention is described in detail with reference to foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part or all technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the scope of various embodiments of the present invention technical scheme.

Claims

Claims

1st, a kind of site STA, it is characterised in that including：

Determining module, for when the STA is in connection status, determining that the STA does not have data receiver or transmission within waiting time；

Sending module, for after the determining module determines that the STA does not have data receiver or sent within waiting time, connection release request to be sent to access point AP；

Receiving module, for receiving the connection release response that the AP is sent；

State adjusting module, for the STA to be transferred into idle condition from connection status according to the connection release response, or keeps connection status according to the connection release response.

2nd, STA according to claim 1, it is characterised in that the STA is transferred to after idle condition by the state adjusting module according to the connection release response from connection status,

The determining module is additionally operable to：Determine whether the STA there are data to send or receive；

The sending module is additionally operable to：If the STA there are data to send or receive, send connection to the AP and set up request；

The receiving module is additionally operable to：Receive the connection establishment response that the AP is sent；

The state adjusting module is additionally operable to：The STA is transferred to by connection status from idle condition according to the connection establishment response, or, idle condition is kept according to the connection establishment response.

3rd, STA according to claim 2, it is characterised in that the determining module specifically for：The mark for including the STA in the first beep-page message that the AP is sent, first beep-page message is received, first beep-page message is that the AP is sent when there are data to be sent to the STA to the STA；

Determine that the STA has data to reception according to the STA included in first beep-page message mark.

4th, STA according to claim 2, it is characterised in that the determining module specifically for：The second paging request message is sent to the AP；

The mark for including the STA in the second page response that the AP is returned, second page response is received, the STA determines that the STA has data receiver according to the STA included in second page response mark.

5th, STA according to claim 2, it is characterised in that the determining module specifically for：It is determined that sending in caching has data to be sent, it is determined that the STA has data to send. 6th, STA according to claim 3, it is characterised in that the determining module is additionally operable to before the first beep-page message that the AP is sent is received：

Paging capability, paging interval, paging duration that the AP sends are received, and the first beep-page message that the AP is sent is received according to the paging capability, paging interval, paging duration.

7th, STA according to claim 2, it is characterised in that the STA is transferred to after connection status by the state adjusting module according to the connection establishment response from idle condition, and the sending module is additionally operable to：Management frame is sent to the AP；

The receiving module is additionally operable to：Receive the management frame that the AP is sent.

8th, a kind of access point AP, it is characterised in that including：

Receiving module, the connection release request sent for receiving station STA, the connection release request is that STA determines within waiting time not having certainly to send to the AP when data receiver or transmission in connection status；

Determining module, is used to determine whether to allow the STA to be transferred to idle condition from connection status；Sending module, for the determination result according to the determining module, returns to connection release response, the connection release response is used to indicate that the STA is transferred to idle condition from connection status, or indicates that the STA keeps connection status to the STA.

9th, AP according to claim 8, it is characterised in that if the STA is transferred to idle condition from connection status, the receiving module is additionally operable to：

The connection foundation request that the STA is sent is received, it is that the STA determines to send to the AP when itself there are data to send or receive that request is set up in the connection；

The determining module is additionally operable to：Determine whether that the STA is transferred to connection status from idle condition；

The sending module is additionally operable to：According to the determination result of the determining module, connection establishment response is sent to the STA, the connection establishment response is used to indicate that the STA is transferred to connection status from idle condition, or, indicate that the STA keeps idle condition.

10th, AP according to claim 8, it is characterised in that when the AP has data to be sent to the STA, the sending module is additionally operable to：Sending the first beep-page message to the STA notifies the STA to have data to the mark for including the STA in reception, first beep-page message.

11st, AP according to claim 8, it is characterised in that the receiving module is additionally operable to：Receive the second paging request message that the STA is sent； The mark for including the STA in the second page response, second page response is returned to the STA according to second paging request message.

12nd, AP according to claim 10, it is characterised in that the sending module sends first to the STA and sought before STA described in message informing has data to reception, is additionally operable to：

Its paging capability, paging interval, paging duration are broadcasted, so that the STA receives the first beep-page message that the AP is sent according to the paging capability, paging interval, paging duration.

13rd, AP according to claim 10, it is characterised in that the sending module specifically for：According to the default cycle first beep-page message is sent to the STA.

14th, a kind of method that STA states are shifted in wlan system, it is characterised in that including：When site STA is in connection status, the STA determines from not having data receiver or transmission within waiting time, then to send connection release request to access point AP；

The STA receives the connection release response that the AP is sent, and idle condition is transferred to from connection status according to the connection release response, or the STA keeps connection status according to the connection release response.

15th, method according to claim 14, it is characterised in that the STA receives the connection release response that the AP is sent, and is transferred to according to the connection release response from connection status after idle condition, in addition to：

The STA determines itself have data to send or receive, then the STA sends connection to the AP and sets up request；

The STA receives the connection establishment response that the AP is sent, and connection status is transferred to from idle condition according to the connection establishment response, or, the STA keeps idle condition according to the connection establishment response.

16th, method according to claim 15, it is characterised in that the STA determines itself there is data receiver, including：

The STA receives the mark for including the STA in the first beep-page message that the AP is sent, first beep-page message, and first beep-page message is that the AP is sent when having data to be sent to the STA to the STA；

The STA determines that the STA has data to reception according to the STA included in first beep-page message mark.

17th, method according to claim 15, it is characterised in that the STA determines that itself has Data receiver, including：

The STA sends the second paging request message to the AP；

The STA receives the mark for including the STA in the second page response that the AP is returned, second page response, and the STA determines that the STA has data receiver according to the STA included in second page response mark.

18th, method according to claim 15, it is characterised in that the STA determines itself there is data transmission, including：

The STA, which determines to send in caching, data to be sent, it is determined that itself have data to send.

19th, method according to claim 16, it is characterised in that the STA before the first beep-page message that the AP is sent is received, in addition to：

The paging capability of the STA receptions AP transmissions, paging interval, paging duration, and the first beep-page message that the AP is sent is received according to the paging capability, paging interval, paging duration.

20th, method according to claim 15, it is characterised in that the STA receives the connection establishment response that the AP is sent, and is transferred to according to the connection establishment response from idle condition after connection status, in addition to：

The STA sends management frame to the AP, or, the STA receives the management frame that the AP is sent.

21st, a kind of method that STA states are shifted in wlan system, it is characterised in that including：The connection release request that access point AP receiving stations STA is sent, the connection release request is that STA determines within waiting time not having certainly to send to the AP when data receiver or transmission in connection status；

The AP determines whether that the STA is transferred to idle condition from connection status；

If so, the AP sends connection release response to the STA, the connection release response is used to indicate that the STA is transferred to idle condition from connection status；

If it is not, the AP sends connection release response to the STA, the connection release response is used to indicate that the STA keeps connection status.

22nd, method according to claim 21, it is characterised in that if the STA is transferred to idle condition from connection status, the AP is returned to the STA after connection release response, in addition to：The AP receives the connection foundation request that the STA is sent, and it is described that request is set up in the connection STA determines what is sent when itself having data to send or receive to the AP；

The AP sets up request according to the connection, and connection establishment response is sent to the STA, and the connection establishment response is used to indicate that the STA is transferred to connection status from idle condition, or, indicate that the STA keeps idle condition.

23rd, method according to claim 21, it is characterised in that also include：

When the AP has data to be sent to the STA, the AP sends the first beep-page message to the STA and notifies the STA to have data to the mark for including the STA in reception, first beep-page message.

24th, method according to claim 21, it is characterised in that also include：

The AP receives the second paging request message that the STA is sent；

The AP returns to the mark for including the STA in the second page response, second page response according to second paging request message to the STA.

25th, method according to claim 23, it is characterised in that the AP sends first to the STA and sought before STA described in message informing has data to reception, in addition to：

The AP broadcasts its paging capability, paging interval, paging duration, so that the STA receives the first beep-page message that the AP is sent according to the paging capability, paging interval, paging duration.

26th, method according to claim 23, it is characterised in that the AP sends the first beep-page message to the STA and notifies the STA to have data to reception, including：

The AP sends first beep-page message to the STA according to the default cycle and notifies described

STA has data to receive.