CN109729569A - Communication means and communication device, access point apparatus and site apparatus - Google Patents
Communication means and communication device, access point apparatus and site apparatus Download PDFInfo
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- CN109729569A CN109729569A CN201711050781.5A CN201711050781A CN109729569A CN 109729569 A CN109729569 A CN 109729569A CN 201711050781 A CN201711050781 A CN 201711050781A CN 109729569 A CN109729569 A CN 109729569A
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- access point
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The present invention provides a kind of communication means of WLAN and communication devices, access point apparatus and site apparatus, wherein the communication means for the WLAN of access point apparatus includes: after the principal communication interface that site apparatus is in power-saving working mode enters WUR operating mode, generate the first beacon frame, figure information element is indicated comprising the first transmission in first beacon frame, and the first message bit pattern position corresponding with site apparatus is not arranged in the first transmission instruction figure information element in access point apparatus, wherein the first message bit pattern position is for indicating that access point apparatus is that site apparatus has cached downlink data frame；Broadcast the first beacon frame.According to the technical solution of the present invention, the facilities that site apparatus corresponding message bit pattern position in the transmission instruction figure information element of access point apparatus can be effectively determined, to meet the needs of IEEE802.11ba, so that equipment more power saving.
Description
Technical field
The present invention relates to field of communication technology, in particular to the communication means of WLAN, WLAN
Communication device, access point apparatus and site apparatus.
Background technique
In July, 2016, IEEE (Institute of Electrical and Electronics Engineers, electricity
Gas and Electronic Engineering Association) 802.11 set up next-generation Wi-Fi (Wireless Fidelity, Wireless Fidelity) technology
Study group WUR (Wake Up Receiver), i.e. IEEE802.11ba, in terms of being mainly used in Internet of Things, in order to the greatest extent
Maximum possible saves the power consumption of equipment, most importantly in order to make to receive wake-up frame (wakeup message frame, i.e. WUR message
Frame) equipment as much as possible save the power consumption of equipment, power consumption needed for wherein equipment receives wake-up frame is not more than 1mW.
When equipment is in WUR operating mode, in a dormant state, and the secondary communication of equipment connects the principal communication interface of equipment
Mouth is in stay awake state or periodical wake states, wherein secondary communication interface is used to receive AP (Access Point, access
Point) send WUR message frame, thus wake up principal communication interface obtain AP be equipment caching downlink data frame.
Existing IEEE802.11 regulation, if site apparatus is in WUR operating mode, i.e. its principal communication interface is in
Dormant state, if further the principal communication interface enters PS (Power Saving, power saving) operating mode, then site apparatus needs
The beacon frame of AP broadcast is listened to, but WUR operating mode and PS are in for principal communication interface in the process based on standard formulation
The regulation of the STAs (Stations, website) of operating mode: site apparatus is not necessarily to continue to listen to the beacon frame of AP broadcast, so right
In the mark for the downlink data frame that AP is site apparatus caching, how AP is arranged site apparatus in TIM (Traffic
Indication Map, transmission instruction figure) information element bitmap (bitmap file) in information, in the process of standard formulation
In do not provide further, so need defined, become technical problem urgently to be resolved.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, proposes the communication plan of new WLAN, can
To effectively determine the setting of site apparatus corresponding message bit pattern position in the transmission instruction figure information element of access point apparatus
Situation, to meet the needs of IEEE802.11ba, so that equipment more power saving.
In view of this, according to the first aspect of the invention, propose a kind of communication means of WLAN, for
Site apparatus establishes associated access point apparatus, then the communication means of WLAN includes: to save electrician when site apparatus is in
After the principal communication interface of operation mode enters WUR operating mode, the first beacon frame is generated, is referred in the first beacon frame comprising the first transmission
View information element and access point apparatus setting corresponding with site apparatus the in the first transmission instruction figure information element
One message bit pattern position, wherein the first message bit pattern position is for indicating that access point apparatus is that site apparatus has cached downlink data frame；
Broadcast the first beacon frame.
In the technical scheme, as the master for establishing associated site apparatus with access point apparatus and being in power-saving working mode
Communication interface and the access point apparatus are negotiated after entering WUR operating mode, i.e., the principal communication interface of site apparatus with access point
Equipment is consulted into PS (Power Saving, power saving) state, and negotiates to enter by principal communication interface and access point apparatus
The state being waken up is waited, to enter WUR operating mode, more to save equipment power dissipation, and in order to meet
The demand of IEEE802.11ba, further such that equipment more power saving, access point apparatus is broadcasting its first letter generated at this time
When marking frame, without being arranged first corresponding with the site apparatus in the first transmission instruction figure information element of the first beacon frame
Figure information bit shows that access point apparatus is not that site apparatus caches corresponding downlink data frame at this time, then site apparatus
Then without listening to first beacon frame, to achieve the purpose that power saving, and site apparatus can be effectively determined and set in access point
The facilities of corresponding message bit pattern position in standby transmission instruction figure information element.
Further, the principal communication interface of site apparatus and access point apparatus are negotiated after entering PS state, can also with connect
Enter point device to negotiate to enter the wake-up period after PS state.
Further, in the technical scheme, the WUR mode request that access point apparatus can be sent by site apparatus
Frame judges whether the principal communication interface of site apparatus enters WUR operating mode, specifically when the mac frame head of WUR mode request frame
In one or more bits determine that principal communication interface has entered WUR operating mode when being arranged to some preset value；So,
It is also at WUR operating mode when the principal communication interface for determining site apparatus had both been in power-saving working mode, then access point apparatus exists
The message bit pattern position of the corresponding down buffer storage data frame of site apparatus is not provided in its beacon frame broadcasted, generally access point is set
The position association identification AID (Association Identifier) of back-up dispensing site apparatus locating in the message bit pattern
It sets.
In the above-mentioned technical solutions, it is preferable that exit WUR in the principal communication interface that site apparatus is in power-saving working mode
After operating mode further include: generate the second beacon frame, include the second transmission instruction figure information element, Yi Jijie in the second beacon frame
Enter point device setting second bitmap information bit corresponding with site apparatus in the second transmission instruction figure information element, is connect with informing
Entering point device is that site apparatus has cached downlink data frame；The second beacon frame is broadcasted, so that site apparatus listens to the second beacon frame.
In the technical scheme, further, if the principal communication interface that site apparatus is in power-saving working mode exits phase
To enter power-saving working mode, i.e. principal communication interface is waken up by dormant state into PS state the WUR operating mode answered, then
Access point apparatus can refer to view information in the second transmission of the second beacon frame when broadcasting the second beacon frame that it is generated at this time
The second bitmap information bit corresponding with the site apparatus is set in element, so that site apparatus is listened to second beacon frame and known
Access point apparatus has cached downlink data frame for it, and the transmission that can effectively determine site apparatus in access point apparatus indicates
The facilities of corresponding message bit pattern position in figure information element.
Further, access point apparatus can exit frame by the WUR mode of site apparatus active transmission to determine to stand
Point device exits WUR operating mode, or is followed by harvesting the last of caching being waken up by the principal communication interface of site apparatus
The response frame of the fed back to access point apparatus of one frame downlink data frame determines that site apparatus exits WUR operating mode, specifically
WUR Working mould will be exited by the principal communication interface of the implicit expression site apparatus of one or more bits in response frame
Formula, for example particular value is set as by one or more bits in the mac frame head by response frame to indicate site apparatus
Principal communication interface will move out the work of WUR mode.
In any of the above-described technical solution, it is preferable that after broadcasting the first beacon frame and before the second beacon frame of generation
Further include: wakeup message frame is generated, wakeup message frame makes it exit WUR mode for waking up principal communication interface；It sends to wake up and disappear
Cease the secondary communication interface of frame to site apparatus.
In the technical scheme, when the principal communication interface that site apparatus is in power-saving working mode enters WUR operating mode
Afterwards, it can specifically be waken up in a dormant state by way of generating wakeup message frame and being sent to the secondary communication interface of site apparatus
Principal communication interface, the second beacon that makes the principal communication interface exit WUR operating mode, and then can be broadcasted in access point apparatus
Setting the second bitmap information bit corresponding with the site apparatus in second transmission instruction figure information element of frame, so that site apparatus
Listen to second beacon frame and know that access point apparatus has cached downlink data frame for it and can carry out downlink data acquisition, with into
One step achievees the purpose that power saving.
According to the second aspect of the invention, it is also proposed that a kind of communication device of WLAN, for being set with website
Standby to establish associated access point apparatus, then the communication device of WLAN includes: the first generation module, for working as site apparatus
After principal communication interface in power-saving working mode enters WUR operating mode, the first beacon frame is generated, includes in the first beacon frame
First transmission instruction figure information element and access point apparatus are not arranged in the first transmission instruction figure information element to be set with website
Standby corresponding first message bit pattern position, wherein the first message bit pattern position is for indicating that access point apparatus is under site apparatus has cached
Row data frame；First sending module, for broadcasting the first beacon frame.
In the technical scheme, as the master for establishing associated site apparatus with access point apparatus and being in power-saving working mode
Communication interface and the access point apparatus are negotiated after entering WUR operating mode, i.e., the principal communication interface of site apparatus with access point
Equipment is consulted into PS state, and negotiates the state being waken up into waiting by principal communication interface and access point apparatus, with
Into WUR operating mode, more to save equipment power dissipation, and in order to meet the needs of IEEE802.11ba, further make
Equipment more power saving, access point apparatus is when broadcasting first beacon frame that it is generated at this time, without the of the first beacon frame
Setting the first message bit pattern position corresponding with the site apparatus in one transmission instruction figure information element, that is, show that access point is set at this time
Corresponding downlink data frame is cached for site apparatus for no, then site apparatus is then not necessarily to listen to first beacon frame, thus
Achieve the purpose that power saving, and it is corresponding in the transmission instruction figure information element of access point apparatus to effectively determine site apparatus
Message bit pattern position facilities.
Further, the principal communication interface of site apparatus and access point apparatus are negotiated after entering PS state, can also with connect
Enter point device to negotiate to enter the wake-up period after PS state.
Further, in the technical scheme, the WUR mode request that access point apparatus can be sent by site apparatus
Frame judges whether the principal communication interface of site apparatus enters WUR operating mode, specifically when the mac frame head of WUR mode request frame
In one or more bits determine that principal communication interface has entered WUR operating mode when being arranged to some preset value；So,
It is also at WUR operating mode when the principal communication interface for determining site apparatus had both been in power-saving working mode, then access point apparatus exists
The message bit pattern position of the corresponding down buffer storage data frame of site apparatus is not provided in its beacon frame broadcasted, generally access point is set
The association identification AID of back-up dispensing site apparatus is the location of in the message bit pattern.
In the above-mentioned technical solutions, it is preferable that the first generation module is also used to: being in power-saving working mode in site apparatus
Principal communication interface exit WUR operating mode after, generate the second beacon frame, the second transmission instruction figure letter included in the second beacon frame
Cease element and access point apparatus setting the second bitmap letter corresponding with site apparatus in the second transmission instruction figure information element
Position is ceased, to inform that access point apparatus has cached downlink data frame as site apparatus；First sending module is also used to: the second letter of broadcast
Frame is marked, so that site apparatus listens to the second beacon frame.
In the technical scheme, further, if the principal communication interface that site apparatus is in power-saving working mode exits phase
To enter power-saving working mode, i.e. principal communication interface is waken up by dormant state into PS state the WUR operating mode answered, then
Access point apparatus can refer to view information in the second transmission of the second beacon frame when broadcasting the second beacon frame that it is generated at this time
The second bitmap information bit corresponding with the site apparatus is set in element, so that site apparatus is listened to second beacon frame and known
Access point apparatus has cached downlink data frame for it, and the transmission that can effectively determine site apparatus in access point apparatus indicates
The facilities of corresponding message bit pattern position in figure information element.
Further, access point apparatus can exit frame by the WUR mode of site apparatus active transmission to determine to stand
Point device exits WUR operating mode, or is followed by harvesting the last of caching being waken up by the principal communication interface of site apparatus
The response frame of the fed back to access point apparatus of one frame downlink data frame determines that site apparatus exits WUR operating mode, specifically
WUR Working mould will be exited by the principal communication interface of the implicit expression site apparatus of one or more bits in response frame
Formula, for example, by one or more bits in the mac frame head by response frame be set as particular value indicate site apparatus master
Communication interface will move out the work of WUR mode.
In any of the above-described technical solution, it is preferable that the communication device of WLAN further include: the second generation module,
For generating and waking up after the first sending module broadcasts the first beacon frame and before the first generation module the second beacon frame of generation
Message frame, wakeup message frame make it exit WUR mode for waking up principal communication interface；Second sending module wakes up for sending
Message frame to site apparatus secondary communication interface.
In the technical scheme, when the principal communication interface that site apparatus is in power-saving working mode enters WUR operating mode
Afterwards, it can specifically be waken up in a dormant state by way of generating wakeup message frame and being sent to the secondary communication interface of site apparatus
Principal communication interface, so that the principal communication interface is exited WUR mode, and then can be in the second beacon frame that access point apparatus is broadcasted
Setting the second bitmap information bit corresponding with the site apparatus in second transmission instruction figure information element, so that site apparatus is listened to
Second beacon frame simultaneously knows that access point apparatus has cached downlink data frame for it, further to achieve the purpose that power saving.
According to the third aspect of the invention we, it is also proposed that a kind of access point apparatus, the technical side including above-mentioned second aspect
The communication device of the WLAN of any one of case, therefore, which has and the technical side of above-mentioned second aspect
The identical technical effect of the communication device of the WLAN of any one of case, details are not described herein.
According to the fourth aspect of the invention, it is also proposed that a kind of communication means of WLAN, for being set with access
Standby to establish associated site apparatus, then the communication means of WLAN includes: to negotiate to determine site apparatus with access point apparatus
The principal communication interface in power-saving working mode enter WUR operating mode set so that principal communication interface ceases listening for access point
For the first beacon frame of broadcast, do not exist in the first beacon frame comprising the first transmission instruction figure information element and access point apparatus
Setting the first message bit pattern position corresponding with site apparatus in first transmission instruction figure information element, wherein the first message bit pattern position
For indicating that access point apparatus is that site apparatus has cached downlink data frame.
In the technical scheme, negotiate to enter when establishing associated site apparatus and access point apparatus with access point apparatus
After power-saving working mode, principal communication interface can be made to enter corresponding WUR Working mould by way of negotiating with access point apparatus
The principal communication interface of formula, i.e. site apparatus is consulted with access point apparatus into PS state, and is passed through principal communication interface and connect
Enter point device to negotiate into the state being waken up is waited, to enter WUR operating mode, more to save equipment power dissipation, and
When access point apparatus is not site apparatus caching downlink data frame, realization forbids principal communication interface to listen to access point apparatus broadcast
The first beacon frame, specifically access point apparatus not in first beacon frame first transmission instruction figure information element in set
The first message bit pattern position corresponding with site apparatus is set, to further achieve the purpose that power saving, and station can be effectively determined
The facilities of point device corresponding message bit pattern position in the transmission instruction figure information element of access point apparatus.
Further, the principal communication interface of site apparatus and access point apparatus are negotiated after entering PS state, can also with connect
Enter point device to negotiate to enter the wake-up period after PS state.
Further, in the technical scheme, site apparatus can be by sending WUR mode request to access point apparatus
The mode of frame informs that the principal communication interface of its site apparatus has entered WUR operating mode, specifically can be by WUR mode request frame
Mac frame head in one or more bits be set as some preset value to identify the principal communication interface of site apparatus and enter
WUR operating mode determines that the principal communication interface of site apparatus had both been in power-saving working mode and has been also at WUR Working mould at this time
Formula, then access point apparatus is not provided with the message bit pattern of the corresponding down buffer storage data frame of site apparatus in the beacon frame of its broadcast
Position, generally access point apparatus distributes to the association identification AID of site apparatus the location of in the message bit pattern.
In the above-mentioned technical solutions, it is preferable that when the principal communication interface in power-saving working mode enters WUR operating mode
Afterwards further include: receive the wakeup message frame that access point apparatus is sent；It is waken up according to wakeup message frame in power-saving working mode
Principal communication interface is so that it exits WUR mode；The second beacon frame for receiving access point apparatus broadcast, comprising the in the second beacon frame
Two transmission instruction figure information elements and access point apparatus setting and site apparatus pair in the second transmission instruction figure information element
The the second bitmap information bit answered, the downlink data frame cached using indicating principal communication interface access point apparatus as site apparatus.
In the technical scheme, it needs to wake up site apparatus when access point apparatus has cached downlink data frame for site apparatus
In power-saving working mode and into the principal communication interface of corresponding WUR operating mode, it is made to enter PS state by dormant state
When, the principal communication can be made in such a way that the secondary communication interface of site apparatus receives the wakeup message frame that access point apparatus generates
Interface exits WUR operating mode, and then can listen to the second beacon frame of access point apparatus broadcast, determines second beacon frame
It is provided with the second bitmap information bit corresponding with the site apparatus in second transmission instruction figure information element, so that site apparatus obtains
Know that access point apparatus has cached downlink data frame for it and can carry out downlink data acquisition, further to achieve the purpose that power saving.
Further, site apparatus can be sent by way of WUR mode exits frame to access point apparatus active and be informed
Access point apparatus its exit WUR operating mode or site apparatus and can connect in its principal communication interface being waken up to be followed by harvesting
To access point apparatus feedback response frame when entering last frame downlink data frame of the point device for its caching, it can specifically pass through response
The principal communication interface of the expression site apparatus of one or more bits implicitly in frame will exit WUR operating mode, such as
Particular value is set as by one or more bits in the mac frame head by response frame to indicate that the principal communication of site apparatus connects
Mouth will move out the work of WUR mode.
According to the fifth aspect of the invention, it is also proposed that a kind of communication device of WLAN, for being set with access
Standby to establish associated site apparatus, then the communication device of WLAN includes: processing module, for negotiating with access point apparatus
Determine that the principal communication interface in power-saving working mode of site apparatus enters WUR operating mode, so that principal communication interface stops
The first beacon frame of access point apparatus broadcast is listened to, includes the first transmission instruction figure information element, Yi Jijie in the first beacon frame
Enter point device not setting the first message bit pattern position corresponding with site apparatus in the first transmission instruction figure information element, wherein the
One message bit pattern position is for indicating that access point apparatus is that site apparatus has cached downlink data frame.
In the technical scheme, negotiate to enter when establishing associated site apparatus and access point apparatus with access point apparatus
After power-saving working mode, principal communication interface can be made to enter corresponding WUR Working mould by way of negotiating with access point apparatus
The principal communication interface of formula, i.e. site apparatus is consulted with access point apparatus into PS state, and is passed through principal communication interface and connect
Enter point device to negotiate into the state being waken up is waited, to enter WUR operating mode, more to save equipment power dissipation, and
When access point apparatus is not site apparatus caching downlink data frame, realization forbids principal communication interface to listen to access point apparatus broadcast
The first beacon frame, specifically access point apparatus not in first beacon frame first transmission instruction figure information element in set
The first message bit pattern position corresponding with site apparatus is set, to further achieve the purpose that power saving, and station can be effectively determined
The facilities of point device corresponding message bit pattern position in the transmission instruction figure information element of access point apparatus.
Further, the principal communication interface of site apparatus and access point apparatus are negotiated after entering PS state, can also with connect
Enter point device to negotiate to enter the wake-up period after PS state.
Further, in the technical scheme, site apparatus can be by sending WUR mode request to access point apparatus
The mode of frame informs that the principal communication interface of its site apparatus has entered WUR operating mode, specifically can be by WUR mode request frame
Mac frame head in one or more bits be set as some preset value to identify the principal communication interface of site apparatus and enter
WUR operating mode determines that the principal communication interface of site apparatus had both been in power-saving working mode and has been also at WUR Working mould at this time
Formula, then access point apparatus is not provided with the message bit pattern of the corresponding down buffer storage data frame of site apparatus in the beacon frame of its broadcast
Position, generally access point apparatus distributes to the association identification AID of site apparatus the location of in the message bit pattern.
In the above-mentioned technical solutions, it is preferable that the communication device of WLAN further include: the first receiving module is used for
After the principal communication interface in power-saving working mode enters WUR operating mode, the wakeup message that access point apparatus is sent is received
Frame；Wake-up module, for waking up the principal communication interface in power-saving working mode so that it exits WUR mould according to wakeup message frame
Formula；Second receiving module refers in the second beacon frame comprising the second transmission for receiving the second beacon frame of access point apparatus broadcast
View information element and access point apparatus are arranged corresponding with site apparatus second in the second transmission instruction figure information element
Message bit pattern position, the downlink data frame cached using indicating principal communication interface access point apparatus as site apparatus.
In the technical scheme, it needs to wake up site apparatus when access point apparatus has cached downlink data frame for site apparatus
In power-saving working mode and into the principal communication interface of corresponding WUR operating mode, it is made to enter PS state by dormant state
When, the principal communication can be made in such a way that the secondary communication interface of site apparatus receives the wakeup message frame that access point apparatus generates
Interface exits WUR operating mode, and then can listen to the second beacon frame of access point apparatus broadcast, determines second beacon frame
It is provided with the second bitmap information bit corresponding with the site apparatus in second transmission instruction figure information element, so that site apparatus obtains
Know that access point apparatus has cached downlink data frame for it and can carry out downlink data acquisition, further to achieve the purpose that power saving.
Further, site apparatus can be sent by way of WUR mode exits frame to access point apparatus active and be informed
Access point apparatus its exit WUR operating mode or site apparatus and can connect in its principal communication interface being waken up to be followed by harvesting
To access point apparatus feedback response frame when entering last frame downlink data frame of the point device for its caching, it can specifically pass through response
The principal communication interface of the expression site apparatus of one or more bits implicitly in frame will exit WUR operating mode, such as
Particular value is set as by one or more bits in the mac frame head by response frame to indicate that the principal communication of site apparatus connects
Mouth will move out the work of WUR mode.
According to the sixth aspect of the invention, it is also proposed that a kind of site apparatus, the technical solution including above-mentioned 5th aspect
Any one of WLAN communication device, therefore, the site apparatus have and it is above-mentioned 5th aspect technical solution in
The identical technical effect of the communication device of the WLAN of any one, details are not described herein.
Above-mentioned technical proposal through the invention can effectively determine site apparatus in transmission instruction figure information element
The facilities of corresponding message bit pattern position, to meet the needs of IEEE802.11ba, so that equipment more power saving.
Detailed description of the invention
Fig. 1 shows the process of the communication means of the WLAN for access point apparatus of first embodiment of the invention
Schematic diagram；
Fig. 2 shows the processes of the communication means of the WLAN for access point apparatus of second embodiment of the invention
Schematic diagram；
Fig. 3 shows the schematic block of the communication device of the WLAN for access point apparatus of the embodiment of the present invention
Figure；
Fig. 4 shows the schematic block diagram of the access point apparatus of the embodiment of the present invention；
The process that Fig. 5 shows the communication means of the WLAN for site apparatus of first embodiment of the invention is shown
It is intended to；
The process that Fig. 6 shows the communication means of the WLAN for site apparatus of second embodiment of the invention is shown
It is intended to；
Fig. 7 shows the schematic block diagram of the communication device of the WLAN for site apparatus of the embodiment of the present invention；
Fig. 8 shows the schematic block diagram of the site apparatus of the embodiment of the present invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the process of the communication means of the WLAN for access point apparatus of first embodiment of the invention
Schematic diagram.
As shown in Figure 1, according to a first embodiment of the present invention is used to establish associated access point apparatus with site apparatus
WLAN communication means, specifically include following below scheme step:
Step 102, it after the principal communication interface that site apparatus is in power-saving working mode enters WUR operating mode, generates
First beacon frame, comprising the first transmission instruction figure information element and access point apparatus not in the first transmission in the first beacon frame
Setting the first message bit pattern position corresponding with site apparatus in figure information element is indicated, wherein the first message bit pattern position is for indicating
Access point apparatus is that site apparatus has cached downlink data frame.
It is understood that being arranged and site apparatus pair in the first transmission instruction figure information element of the first beacon frame at this time
The corresponding value in the first message bit pattern position answered may be configured as " 0 ".
Step 104, the first beacon frame is broadcasted.
In this embodiment, when established with access point apparatus associated site apparatus be in power-saving working mode master it is logical
Believe that interface and the access point apparatus are negotiated after entering WUR operating mode, i.e. the principal communication interface of site apparatus is set with access point
It is standby to consult into PS state, and negotiated by principal communication interface and access point apparatus into waiting the state being waken up, with into
Enter WUR operating mode, more to save equipment power dissipation, and in order to meet the needs of IEEE802.11ba, further such that
Equipment more power saving, access point apparatus is when broadcasting the first beacon frame that it is generated at this time, without the first of the first beacon frame
Setting the first message bit pattern position corresponding with the site apparatus in transmission instruction figure information element, that is, show access point apparatus at this time
Corresponding downlink data frame is not cached for site apparatus, then site apparatus is then not necessarily to listen to first beacon frame, to reach
To the purpose of power saving, and it is corresponding in the transmission instruction figure information element of access point apparatus to effectively determine site apparatus
The facilities of message bit pattern position.
Further, the principal communication interface of site apparatus and access point apparatus are negotiated after entering PS state, can also with connect
Enter point device to negotiate to enter the wake-up period after PS state.
Further, in the technical scheme, the WUR mode request that access point apparatus can be sent by site apparatus
Frame judges whether the principal communication interface of site apparatus enters WUR operating mode, specifically when the mac frame head of WUR mode request frame
In one or more bits determine that principal communication interface has entered WUR operating mode when being arranged to some preset value；So,
It is also at WUR operating mode when the principal communication interface for determining site apparatus had both been in power-saving working mode, then access point apparatus exists
The message bit pattern position of the corresponding down buffer storage data frame of site apparatus is not provided in its beacon frame broadcasted, generally access point is set
The association identification AID of back-up dispensing site apparatus is the location of in the message bit pattern.
Fig. 2 shows the processes of the communication means of the WLAN for access point apparatus of second embodiment of the invention
Schematic diagram.
As shown in Fig. 2, according to a second embodiment of the present invention for associated access point apparatus to be established with site apparatus
WLAN communication means, the step in the step 202 for being included~step 204 and above-described embodiment shown in FIG. 1
The content of rapid 102~step 104 is essentially identical, and difference is, the communication means of the WLAN of the embodiment, in addition to step
Further include following below scheme step outside 202~step 204:
Step 206, it after the principal communication interface that site apparatus is in power-saving working mode exits WUR operating mode, generates
Second beacon frame refers to comprising the second transmission instruction figure information element and access point apparatus in the second transmission in the second beacon frame
The second bitmap information bit corresponding with site apparatus is set in view information element, to inform that access point apparatus is slow as site apparatus
Downlink data frame is deposited.
Step 208, the second beacon frame is broadcasted, so that site apparatus listens to the second beacon frame.
In this embodiment, further, if the principal communication interface that site apparatus is in power-saving working mode exits accordingly
WUR operating mode to enter power-saving working mode, i.e. principal communication interface is waken up by dormant state into PS state, then this
When access point apparatus broadcast its generate second beacon frame when, can the second beacon frame second transmission instruction figure information word
The second bitmap information bit corresponding with the site apparatus is set in element, is connect so that site apparatus is listened to second beacon frame and known
Enter point device and cached downlink data frame for it, site apparatus can be effectively determined in the transmission instruction figure of access point apparatus
The facilities of corresponding message bit pattern position in information element.
Further, access point apparatus can exit frame by the WUR mode of site apparatus active transmission to determine to stand
Point device exits WUR operating mode, or is followed by harvesting the last of caching being waken up by the principal communication interface of site apparatus
The response frame of the fed back to access point apparatus of one frame downlink data frame determines that site apparatus exits WUR operating mode, specifically
WUR Working mould will be exited by the principal communication interface of the implicit expression site apparatus of one or more bits in response frame
Formula, for example particular value is set as by one or more bits in the mac frame head by response frame to indicate site apparatus
Principal communication interface will move out the work of WUR mode.
Further, in the above-described embodiments, after broadcasting the first beacon frame and before generating the second beacon frame, the nothing
The communication means of line local area network further include: generate wakeup message frame, wakeup message frame exits it for waking up principal communication interface
WUR mode；Send the secondary communication interface of wakeup message frame to site apparatus.
In this embodiment, after the principal communication interface that site apparatus is in power-saving working mode enters WUR operating mode,
It can specifically be waken up in a dormant state by way of generating wakeup message frame and being sent to the secondary communication interface of site apparatus
Principal communication interface makes the principal communication interface exit WUR operating mode, and then the second beacon frame that can be broadcasted in access point apparatus
The second transmission instruction figure information element in corresponding with the site apparatus the second bitmap information bit of setting so that site apparatus is detectd
It listens second beacon frame and knows that access point apparatus has cached downlink data frame for it and can carry out downlink data acquisition, with into one
Step achievees the purpose that power saving.
Wherein, the executing subject of Fig. 1 and communication means shown in Fig. 2 is the network of access point apparatus and site apparatus composition
In access point apparatus, for example router or the server with Wi-Fi interface.
Fig. 3 shows the schematic block of the communication device of the WLAN for access point apparatus of the embodiment of the present invention
Figure.
As shown in figure 3, the communication device 30 of WLAN according to an embodiment of the present invention, for being built with site apparatus
Associated access point apparatus is found, the communication device 30 of the WLAN includes: the first generation module 302 and the first sending module
304。
Wherein, the principal communication interface that the first generation module 302 is used to be in power-saving working mode when site apparatus enters WUR
After operating mode, the first beacon frame is generated, is set in the first beacon frame comprising the first transmission instruction figure information element and access point
Standby not setting the first message bit pattern position corresponding with site apparatus in the first transmission instruction figure information element, wherein the first bitmap
Information bit is for indicating that access point apparatus is that site apparatus has cached downlink data frame；First sending module 304 is for broadcasting the
One beacon frame.
In this embodiment, when established with access point apparatus associated site apparatus be in power-saving working mode master it is logical
Believe that interface and the access point apparatus are negotiated after entering WUR operating mode, i.e. the principal communication interface of site apparatus is set with access point
It is standby to consult into PS state, and negotiated by principal communication interface and access point apparatus into waiting the state being waken up, with into
Enter WUR operating mode, more to save equipment power dissipation, and in order to meet the needs of IEEE802.11ba, further such that
Equipment more power saving, access point apparatus is when broadcasting the first beacon frame that it is generated at this time, without the first of the first beacon frame
Setting the first message bit pattern position corresponding with the site apparatus in transmission instruction figure information element, that is, show access point apparatus at this time
Corresponding downlink data frame is not cached for site apparatus, then site apparatus is then not necessarily to listen to first beacon frame, to reach
To the purpose of power saving, and it is corresponding in the transmission instruction figure information element of access point apparatus to effectively determine site apparatus
The facilities of message bit pattern position.
Further, the principal communication interface of site apparatus and access point apparatus are negotiated after entering PS state, can also with connect
Enter point device to negotiate to enter the wake-up period after PS state.
Further, in the technical scheme, the WUR mode request that access point apparatus can be sent by site apparatus
Frame judges whether the principal communication interface of site apparatus enters WUR operating mode, specifically when the mac frame head of WUR mode request frame
In one or more bits determine that principal communication interface has entered WUR operating mode when being arranged to some preset value；So,
It is also at WUR operating mode when the principal communication interface for determining site apparatus had both been in power-saving working mode, then access point apparatus exists
The message bit pattern position of the corresponding down buffer storage data frame of site apparatus is not provided in its beacon frame broadcasted, generally access point is set
The association identification AID of back-up dispensing site apparatus is the location of in the message bit pattern.
It will be further understood that the first transmission of the first beacon frame indicates setting and website in figure information element at this time
The corresponding value in equipment corresponding first message bit pattern position may be configured as " 0 ".
Further, in the above-described embodiments, the first generation module 302 is also used to: being in power saving work in site apparatus
After the principal communication interface of mode exits WUR operating mode, the second beacon frame is generated, includes the second transmission instruction in the second beacon frame
Figure information element and access point apparatus the setting second corresponding with site apparatus in the second transmission instruction figure information element
Figure information bit, to inform that access point apparatus has cached downlink data frame as site apparatus；First sending module 304 is also used to: wide
The second beacon frame is broadcast, so that site apparatus listens to the second beacon frame.
In this embodiment, further, if the principal communication interface that site apparatus is in power-saving working mode exits accordingly
WUR operating mode to enter power-saving working mode, i.e. principal communication interface is waken up by dormant state into PS state, then this
When access point apparatus broadcast its generate second beacon frame when, can the second beacon frame second transmission instruction figure information word
The second bitmap information bit corresponding with the site apparatus is set in element, is connect so that site apparatus is listened to second beacon frame and known
Enter point device and cached downlink data frame for it, site apparatus can be effectively determined in the transmission instruction figure of access point apparatus
The facilities of corresponding message bit pattern position in information element.
Further, access point apparatus can exit frame by the WUR mode of site apparatus active transmission to determine to stand
Point device exits WUR operating mode, or is followed by harvesting the last of caching being waken up by the principal communication interface of site apparatus
The response frame of the fed back to access point apparatus of one frame downlink data frame determines that site apparatus exits WUR operating mode, specifically
WUR Working mould will be exited by the principal communication interface of the implicit expression site apparatus of one or more bits in response frame
Formula, for example, by one or more bits in the mac frame head by response frame be set as particular value indicate site apparatus master
Communication interface will move out the work of WUR mode.
Further, in the above-described embodiments, as shown in figure 3, the communication device 30 of WLAN further include: second is raw
At module 306 and the second sending module 308.
Wherein, the second generation module 306 is used for after the first sending module 304 broadcasts the first beacon frame and first generates
Before module 302 generates the second beacon frame, wakeup message frame is generated, wakeup message frame exits it for waking up principal communication interface
WUR mode；Second sending module 308 is used to send the secondary communication interface of wakeup message frame to site apparatus.
In this embodiment, after the principal communication interface that site apparatus is in power-saving working mode enters WUR operating mode,
It can specifically be waken up in a dormant state by way of generating wakeup message frame and being sent to the secondary communication interface of site apparatus
Principal communication interface makes the principal communication interface exit WUR mode, and then can be the of the second beacon frame that access point apparatus is broadcasted
Setting the second bitmap information bit corresponding with the site apparatus in two transmission instruction figure information elements, so that site apparatus listens to this
Second beacon frame simultaneously knows that access point apparatus has cached downlink data frame for it, further to achieve the purpose that power saving.
In specific implementation, the first generation module 302 and the second generation module 306 can be at central processing unit or base band
Manage device etc.；First sending module 304 and the second sending module 308 can be transmitter or antenna etc..
Fig. 4 shows the schematic block diagram of the access point apparatus of the embodiment of the present invention.
As shown in figure 4, access point apparatus 40 according to an embodiment of the present invention, including wireless local area described in above-described embodiment
The communication device 30 of net, therefore, the access point apparatus 40 have the communication device with WLAN described in above-described embodiment
30 identical technical effects, details are not described herein.
The process that Fig. 5 shows the communication means of the WLAN for site apparatus of first embodiment of the invention is shown
It is intended to.
As shown in figure 5, according to a first embodiment of the present invention is used to establish associated site apparatus with access device
The communication means of WLAN specifically includes following below scheme step:
Step 502, with access point apparatus negotiate determine site apparatus the principal communication interface in power-saving working mode into
Enter WUR operating mode, so that principal communication interface ceases listening for the first beacon frame of access point apparatus broadcast, is wrapped in the first beacon frame
Containing the first transmission instruction figure information element and access point apparatus setting and website in figure information element are not indicated in the first transmission
Equipment corresponding first message bit pattern position, wherein the first message bit pattern position is for indicating that access point apparatus is that site apparatus caches
Downlink data frame.
In this embodiment, it saves when establishing associated site apparatus and access point apparatus with access point apparatus and negotiate to enter
After electrician's operation mode, principal communication interface can be made to enter corresponding WUR operating mode by way of negotiating with access point apparatus,
That is the principal communication interface of site apparatus is consulted with access point apparatus into PS state, and passes through principal communication interface and access point
Equipment negotiates, to enter WUR operating mode, more to save equipment power dissipation, and connecing into the state being waken up is waited
When entering point device and be not site apparatus caching downlink data frame, forbid principal communication interface to listen to access point apparatus broadcast the is realized
One beacon frame, specifically access point apparatus not in first beacon frame first transmission instruction figure information element in setting with
Site apparatus corresponding first message bit pattern position to further achieve the purpose that power saving, and can effectively determine website and set
The facilities of the standby corresponding message bit pattern position in the transmission instruction figure information element of access point apparatus.
Further, the principal communication interface of site apparatus and access point apparatus are negotiated after entering PS state, can also with connect
Enter point device to negotiate to enter the wake-up period after PS state.
Further, in the technical scheme, site apparatus can be by sending WUR mode request to access point apparatus
The mode of frame informs that the principal communication interface of its site apparatus has entered WUR operating mode, specifically can be by WUR mode request frame
Mac frame head in one or more bits be set as some preset value to identify the principal communication interface of site apparatus and enter
WUR operating mode determines that the principal communication interface of site apparatus had both been in power-saving working mode and has been also at WUR Working mould at this time
Formula, then access point apparatus is not provided with the message bit pattern of the corresponding down buffer storage data frame of site apparatus in the beacon frame of its broadcast
Position, generally access point apparatus distributes to the association identification AID of site apparatus the location of in the message bit pattern.
It will be further understood that the first transmission of the first beacon frame indicates setting and website in figure information element at this time
The corresponding value in equipment corresponding first message bit pattern position may be configured as " 0 ".
The process that Fig. 6 shows the communication means of the WLAN for site apparatus of second embodiment of the invention is shown
It is intended to.
As shown in fig. 6, according to a second embodiment of the present invention for associated site apparatus to be established with access device
The communication means of WLAN, it includes step 602 and above-described embodiment shown in fig. 5 in step 502 content base
This is identical, and difference is, the communication means of the WLAN in the embodiment, further includes following below scheme other than step 602:
Step 604, it after the principal communication interface in power-saving working mode enters WUR operating mode, receives access point and sets
The wakeup message frame that preparation is sent.
Step 606, the principal communication interface in power-saving working mode is waken up so that it exits WUR mould according to wakeup message frame
Formula.
Step 608, the second beacon frame of access point apparatus broadcast is received, includes the second transmission instruction figure in the second beacon frame
Information element and access point apparatus setting the second bitmap corresponding with site apparatus in the second transmission instruction figure information element
Information bit, the downlink data frame cached using indicating principal communication interface access point apparatus as site apparatus.
In this embodiment, it needs to wake up at site apparatus when access point apparatus has cached downlink data frame for site apparatus
In power-saving working mode and into the principal communication interface of corresponding WUR operating mode, when it being made to enter PS state by dormant state,
The principal communication can be made to connect in such a way that the secondary communication interface of site apparatus receives the wakeup message frame that access point apparatus generates
Mouthful WUR operating mode is exited, and then the second beacon frame of access point apparatus broadcast can be listened to, determines the of second beacon frame
It is provided with the second bitmap information bit corresponding with the site apparatus in two transmission instruction figure information elements, so that site apparatus is known
Access point apparatus, which has cached downlink data frame for it, can carry out downlink data acquisition, further to achieve the purpose that power saving.
Further, site apparatus can be sent by way of WUR mode exits frame to access point apparatus active and be informed
Access point apparatus its exit WUR operating mode or site apparatus and can connect in its principal communication interface being waken up to be followed by harvesting
To access point apparatus feedback response frame when entering last frame downlink data frame of the point device for its caching, it can specifically pass through response
The principal communication interface of the expression site apparatus of one or more bits implicitly in frame will exit WUR operating mode, such as
Particular value is set as by one or more bits in the mac frame head by response frame to indicate that the principal communication of site apparatus connects
Mouth will move out the work of WUR mode.
Wherein, the executing subject of Fig. 5 and communication means shown in fig. 6 can be access point apparatus and site apparatus composition
Site apparatus in network, for example smart phone or PDA (Personal Digital Assistant, palm PC) etc. are set
It is standby.
Wherein, the interface that site apparatus receives wakeup message frame is next communication interface, and receives the mesh of wakeup message frame
Be exactly in order to wake up the principal communication interface of site apparatus, to be used to carry out communication to obtain access point apparatus as its caching
Downlink data frame, it may be physically separate, it is also possible to divide in logic that specifically primary and secondary communication interface, which can be antenna,
It opens.
Fig. 7 shows the schematic block diagram of the communication device of the WLAN for site apparatus of the embodiment of the present invention.
As shown in fig. 7, the communication device 70 of WLAN according to an embodiment of the present invention, for being built with access device
Associated site apparatus is found, the communication device 70 of the WLAN includes: processing module 702, for assisting with access point apparatus
Quotient determines that the principal communication interface in power-saving working mode of site apparatus enters WUR operating mode, so that principal communication interface stops
The first beacon frame of access point apparatus broadcast is only listened to, is transmitted in the first beacon frame comprising first and indicates figure information element, and
The first message bit pattern position corresponding with site apparatus is not arranged in the first transmission instruction figure information element in access point apparatus, wherein
First message bit pattern position is for indicating that access point apparatus is that site apparatus has cached downlink data frame.
In this embodiment, it saves when establishing associated site apparatus and access point apparatus with access point apparatus and negotiate to enter
After electrician's operation mode, principal communication interface can be made to enter corresponding WUR operating mode by way of negotiating with access point apparatus,
That is the principal communication interface of site apparatus is consulted with access point apparatus into PS state, and passes through principal communication interface and access point
Equipment negotiates, to enter WUR operating mode, more to save equipment power dissipation, and connecing into the state being waken up is waited
When entering point device and be not site apparatus caching downlink data frame, forbid principal communication interface to listen to access point apparatus broadcast the is realized
One beacon frame, specifically access point apparatus not in first beacon frame first transmission instruction figure information element in setting with
Site apparatus corresponding first message bit pattern position to further achieve the purpose that power saving, and can effectively determine website and set
The facilities of the standby corresponding message bit pattern position in the transmission instruction figure information element of access point apparatus.
Further, the principal communication interface of site apparatus and access point apparatus are negotiated after entering PS state, can also with connect
Enter point device to negotiate to enter the wake-up period after PS state.
Further, in the technical scheme, site apparatus can be by sending WUR mode request to access point apparatus
The mode of frame informs that the principal communication interface of its site apparatus has entered WUR operating mode, specifically can be by WUR mode request frame
Mac frame head in one or more bits be set as some preset value to identify the principal communication interface of site apparatus and enter
WUR operating mode determines that the principal communication interface of site apparatus had both been in power-saving working mode and has been also at WUR Working mould at this time
Formula, then access point apparatus is not provided with the message bit pattern of the corresponding down buffer storage data frame of site apparatus in the beacon frame of its broadcast
Position, generally access point apparatus distributes to the association identification AID of site apparatus the location of in the message bit pattern.
It will be further understood that the first transmission of the first beacon frame indicates setting and website in figure information element at this time
The corresponding value in equipment corresponding first message bit pattern position may be configured as " 0 ".
Further, in the above-described embodiments, as shown in fig. 7, the communication device of WLAN further include: first receives
Module 704, wake-up module 706 and the second receiving module 708.
Wherein, the first receiving module 704 is used to enter WUR operating mode when the principal communication interface in power-saving working mode
Afterwards, the wakeup message frame that access point apparatus is sent is received；Wake-up module 706 is used to be waken up according to wakeup message frame in province electrician
The principal communication interface of operation mode is so that it exits WUR mode；Second receiving module 708 is used to receive the of access point apparatus broadcast
Two beacon frames, comprising the second transmission instruction figure information element and access point apparatus in the second transmission instruction in the second beacon frame
The second bitmap information bit corresponding with site apparatus is set in figure information element, to indicate principal communication interface access point apparatus
For the downlink data frame of site apparatus caching.
In this embodiment, it needs to wake up at site apparatus when access point apparatus has cached downlink data frame for site apparatus
In power-saving working mode and into the principal communication interface of corresponding WUR operating mode, when it being made to enter PS state by dormant state,
The principal communication can be made to connect in such a way that the secondary communication interface of site apparatus receives the wakeup message frame that access point apparatus generates
Mouthful WUR operating mode is exited, and then the second beacon frame of access point apparatus broadcast can be listened to, determines the of second beacon frame
It is provided with the second bitmap information bit corresponding with the site apparatus in two transmission instruction figure information elements, so that site apparatus is known
Access point apparatus, which has cached downlink data frame for it, can carry out downlink data acquisition, further to achieve the purpose that power saving.
Further, site apparatus can be sent by way of WUR mode exits frame to access point apparatus active and be informed
Access point apparatus its exit WUR operating mode or site apparatus and can connect in its principal communication interface being waken up to be followed by harvesting
To access point apparatus feedback response frame when entering last frame downlink data frame of the point device for its caching, it can specifically pass through response
The principal communication interface of the expression site apparatus of one or more bits implicitly in frame will exit WUR operating mode, such as
Particular value is set as by one or more bits in the mac frame head by response frame to indicate that the principal communication of site apparatus connects
Mouth will move out the work of WUR mode.
In specific implementation, the first receiving module 704 and the second receiving module 708 can be receiver or antenna etc.；Place
Reason module 702 and wake-up module 706 can be central processing unit or baseband processor etc..
Fig. 8 shows the schematic block diagram of the site apparatus of the embodiment of the present invention.
As shown in figure 8, site apparatus 80 according to an embodiment of the present invention, including WLAN described in above-described embodiment
Communication device 70, therefore, the site apparatus 80 have and above-described embodiment described in WLAN 70 phase of communication device
Same technical effect, details are not described herein.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, by the technical solution, can effectively determine
The facilities of site apparatus corresponding message bit pattern position in the transmission instruction figure information element of access point apparatus, to meet
The demand of IEEE802.11ba, so that equipment more power saving.
In the description of this specification, term " first ", " second " are only used for the purpose of description, and should not be understood as indicating
Or imply that relative importance can understand that above-mentioned term exists for the ordinary skill in the art as the case may be
Concrete meaning in the embodiment of the present disclosure.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of communication means of WLAN, which is characterized in that set for establishing associated access point with site apparatus
Standby, then the communication means of the WLAN includes:
After the principal communication interface that the site apparatus is in power-saving working mode enters WUR operating mode, the first beacon is generated
Frame indicates figure information element comprising the first transmission in first beacon frame, and
The setting corresponding with the site apparatus the in the first transmission instruction figure information element of described access point equipment
One message bit pattern position, wherein first message bit pattern position is for indicating that described access point equipment is that the site apparatus caches
Downlink data frame；
Broadcast first beacon frame.
2. the communication means of WLAN according to claim 1, which is characterized in that be in and save in the site apparatus
After the principal communication interface of electrician's operation mode exits WUR operating mode further include:
The second beacon frame is generated, is transmitted in second beacon frame comprising second and indicates figure information element, and
Described access point equipment is arranged corresponding with the site apparatus second in the second transmission instruction figure information element
Message bit pattern position, to inform that described access point equipment is that the site apparatus has cached downlink data frame；
Second beacon frame is broadcasted, so that the site apparatus listens to second beacon frame.
3. the communication means of WLAN according to claim 2, which is characterized in that broadcasting first beacon frame
Afterwards and before generation second beacon frame further include:
Wakeup message frame is generated, the wakeup message frame makes it exit WUR mode for waking up the principal communication interface；
Send the secondary communication interface of the wakeup message frame to the site apparatus.
4. a kind of communication means of WLAN, which is characterized in that for associated site apparatus to be established with access device,
Then the communication means of the WLAN includes:
Negotiate to determine that the principal communication interface in power-saving working mode of the site apparatus enters WUR with described access point equipment
Operating mode, so that the principal communication interface ceases listening for the first beacon frame of described access point device broadcasts, first letter
It marks in frame and indicates figure information element comprising the first transmission, and
The setting corresponding with the site apparatus the in the first transmission instruction figure information element of described access point equipment
One message bit pattern position, wherein first message bit pattern position is for indicating that described access point equipment is that the site apparatus caches
Downlink data frame.
5. the communication means of WLAN according to claim 4, which is characterized in that when in power-saving working mode
After the principal communication interface enters WUR operating mode further include:
Receive the wakeup message frame that described access point equipment is sent；
The principal communication interface in power-saving working mode is waken up so that it exits WUR mode according to the wakeup message frame；
The second beacon frame of described access point device broadcasts is received, is transmitted in second beacon frame comprising second and refers to view information
Element, and
Described access point equipment is arranged corresponding with the site apparatus second in the second transmission instruction figure information element
Message bit pattern position, to indicate that the principal communication interface described access point equipment is the downlink data of site apparatus caching
Frame.
6. a kind of communication device of WLAN, which is characterized in that set for establishing associated access point with site apparatus
Standby, then the communication device of the WLAN includes:
First generation module, the principal communication interface for being in power-saving working mode when the site apparatus enter WUR Working mould
After formula, the first beacon frame is generated, is transmitted in first beacon frame comprising first and indicates figure information element, and
The setting corresponding with the site apparatus the in the first transmission instruction figure information element of described access point equipment
One message bit pattern position, wherein first message bit pattern position is for indicating that described access point equipment is that the site apparatus caches
Downlink data frame；
First sending module, for broadcasting first beacon frame.
7. the communication device of WLAN according to claim 6, which is characterized in that
First generation module is also used to: being exited in the principal communication interface that the site apparatus is in power-saving working mode
After WUR operating mode, the second beacon frame is generated, is transmitted in second beacon frame comprising second and indicates figure information element, and
Described access point equipment is arranged corresponding with the site apparatus second in the second transmission instruction figure information element
Message bit pattern position, to inform that described access point equipment is that the site apparatus has cached downlink data frame；
First sending module is also used to: broadcast second beacon frame, so that the site apparatus listens to second letter
Mark frame.
8. the communication device of WLAN according to claim 7, which is characterized in that further include:
Second generation module is used for after first sending module broadcasts first beacon frame and described first generates mould
Before block generates second beacon frame, wakeup message frame is generated, the wakeup message frame is for waking up the principal communication interface
It is set to exit WUR mode；
Second sending module, for sending the secondary communication interface of the wakeup message frame to the site apparatus.
9. a kind of communication device of WLAN, which is characterized in that for associated site apparatus to be established with access device,
Then the communication device of the WLAN includes:
Processing module, for negotiating to determine that the master in power-saving working mode of the site apparatus is logical with described access point equipment
Letter interface enters WUR operating mode, so that the principal communication interface ceases listening for the first beacon of described access point device broadcasts
Frame indicates figure information element comprising the first transmission in first beacon frame, and
The setting corresponding with the site apparatus the in the first transmission instruction figure information element of described access point equipment
One message bit pattern position, wherein first message bit pattern position is for indicating that described access point equipment is that the site apparatus caches
Downlink data frame.
10. the communication device of WLAN according to claim 9, which is characterized in that further include:
First receiving module, for receiving after the principal communication interface in power-saving working mode enters WUR operating mode
The wakeup message frame that described access point equipment is sent；
Wake-up module, for according to the wakeup message frame wake up in power-saving working mode the principal communication interface so that its
Exit WUR mode；
Second receiving module includes in second beacon frame for receiving the second beacon frame of described access point device broadcasts
Second transmission instruction figure information element, and
Described access point equipment is arranged corresponding with the site apparatus second in the second transmission instruction figure information element
Message bit pattern position, to indicate that the principal communication interface described access point equipment is the downlink data of site apparatus caching
Frame.
11. a kind of access point apparatus characterized by comprising the WLAN as described in any one of claim 6 to 8
Communication device.
12. a kind of site apparatus characterized by comprising the communication of the WLAN as described in claim 9 or 10 fills
It sets.
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| CN201711050781.5A CN109729569B (en) | 2017-10-31 | 2017-10-31 | Communication method and communication device, access point equipment and station equipment |
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| WO2021196006A1 (en) * | 2020-03-31 | 2021-10-07 | 北京小米移动软件有限公司 | Data transmission method and apparatus, communication device and storage medium |
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| SECRETARY GERAN WG1: "GP-160502 "Draft Report of TSG GERAN WG1 meeting during TSG GERAN #70, v. 0.0.1"", 《3GPP TSG_GERAN\TSG_GERAN》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021196006A1 (en) * | 2020-03-31 | 2021-10-07 | 北京小米移动软件有限公司 | Data transmission method and apparatus, communication device and storage medium |
| CN113748634A (en) * | 2020-03-31 | 2021-12-03 | 北京小米移动软件有限公司 | Data transmission method and device, communication equipment and storage medium |
| CN113748634B (en) * | 2020-03-31 | 2023-10-03 | 北京小米移动软件有限公司 | Data transmission method and device, communication equipment and storage medium |
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