CN103188775A - Method, station, and system of quiet period sleep - Google Patents
Method, station, and system of quiet period sleep Download PDFInfo
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- CN103188775A CN103188775A CN2011104559162A CN201110455916A CN103188775A CN 103188775 A CN103188775 A CN 103188775A CN 2011104559162 A CN2011104559162 A CN 2011104559162A CN 201110455916 A CN201110455916 A CN 201110455916A CN 103188775 A CN103188775 A CN 103188775A
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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 invention discloses a method and a station of quiet period sleep, and relates to the communication field. The method and the station of the quiet period sleep enable a station which receives quiet elements to enter a sleep state while entering a quiet period, so that energy of the station is saved. The method of the quiet period sleep comprises the following steps: a receiving station receives the quiet elements sent by a sending station, wherein the quiet elements comprise instructions from quiet start time; and the receiving station enters the sleep state when silence is started. The method, the station and the system of the quiet period sleep are mainly used for the process of enabling the station which receives the quiet elements to enter sleep in the quiet period.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method, website and system of quiet period sleep.
Background technology
WLAN (wireless local area network) (Wireless local area network, WLAN) element be Basic Service Set (Basic service set, BSS), this BBS is by within a certain particular coverage, and (Enabling station STA) forms to have certain related website; This BBS mainly contains two kinds of patterns, and first kind, in the BSS network, the central location with full-time administrative BSS is called as access point, and (Access point, AP), and other STA in this network is associated with it.Second kind, in the BSS network, do not have the AP of full-time administrative BSS, the mutual direct communication of STA ad-hoc network in this network.In addition, introduced a kind of new frame format among the 802.11ac, and with network can with channel width be extended to 160MHz, to improve the throughput of network.Wherein, support the website of this frame format to be called as superelevation throughput website (Very High Throughput Station, VHT STA), do not support the website of this frame format to be called as non-superelevation throughput website (Non Very High Throughput Station, Non-VHT STA).In same BSS network, can there be VHT STAs and Non-VHT STAs simultaneously.
Measure for the frequency band that network is used and to wait needs, AP to use to mourn in silence element (Quiet element) and the channel element of mourning in silence (Quiet Channel element) indication STA in that partly (at Quiet Channel element) or whole channel maintenance are mourned in silence; This Quiet element introduces in the standard before 802.11ac, is mainly used in Non-VHT STAs.At 802.11ac, introduced the channel element of mourning in silence (Quiet Channel element), it is used to indicate available frequency band and using method in the quiet interval, and VHT STAs can identify Quiet Channel element, and Non-VHT STAs can not identify Quiet Channel element.
The inventor states in the process of mourning in silence on the implementation, find that there are the following problems at least in the prior art: when VHT STAs only receives Quiet element, VHT STAs is mourning in silence when beginning, but does not enter sleep state, causes the energy dissipation of VHT STAs.
Summary of the invention
Embodiments of the invention provide a kind of method, website and system of quiet period sleep, can make the website that receives the element of mourning in silence enter sleep state when mourning in silence beginning, have saved the energy of website.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of method of quiet period sleep comprises:
Receiving station receives and sends the element of mourning in silence that website sends, and the described element of mourning in silence comprises the indication of the time started of mourning in silence;
Described receiving station enters sleep state when mourning in silence beginning.
A kind of method of quiet period sleep comprises:
Whether the transmission website sends mourn in silence element and the channel element of mourning in silence to receiving station, comprises the indication of the time started of mourning in silence in the described element of mourning in silence, comprise in the described channel element of mourning in silence to allow receiving station to enter dormant indication in quiet period; So that described receiving station allows described receiving station to enter mourning in silence during channel element of dormant indication in quiet period receiving to comprise, when mourning in silence beginning, enter sleep state.
A kind of receiving station comprises:
First receiving element is used for receiving station and receives the element of mourning in silence that sends the website transmission, and the described element of mourning in silence comprises the indication of the time started of mourning in silence;
The sleep operation unit is used for described receiving station and enters sleep state when mourning in silence beginning.
A kind of transmission website comprises:
First transmitting element is used for sending the element of mourning in silence to receiving station, comprises the indication of the time started of mourning in silence in the described element of mourning in silence;
Second transmitting element, be used for sending the channel element of mourning in silence to described receiving station, whether comprise in the described channel element of mourning in silence allows receiving station to enter dormant indication in quiet period, so that described receiving station allows described receiving station to enter mourning in silence during channel element of dormant indication in quiet period receiving to comprise, when mourning in silence beginning, enter sleep state.
A kind of system of quiet period sleep comprises:
Receiving station is used for receiving the element of mourning in silence that sends the website transmission, and the described element of mourning in silence comprises the indication of the time started of mourning in silence; Described receiving station enters sleep state when mourning in silence beginning.
Method, website and the system of the quiet period sleep that the embodiment of the invention provides can make the website that receives the element of mourning in silence enter sleep state when mourning in silence beginning, have saved the energy of website.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art, to do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below, apparently, accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the method flow diagram of quiet period sleep in the embodiment of the invention 1;
Fig. 2 is the operating process schematic diagram of quiet period sleep in the embodiment of the invention 1;
Fig. 3 is the method flow diagram of quiet period sleep in the embodiment of the invention 2;
Fig. 4 is the composition frame chart of a kind of receiving station in the embodiment of the invention 3;
Fig. 5 is the composition frame chart of another kind of receiving station in the embodiment of the invention 3;
Fig. 6 is the composition frame chart of another kind of receiving station in the embodiment of the invention 3;
Fig. 7 is the composition frame chart that sends website in the embodiment of the invention 3;
Fig. 8 is the block diagram of system of quiet period sleep in the embodiment of the invention 3.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills belong to the scope of protection of the invention not making the every other embodiment that obtains under the creative work prerequisite.
Embodiment 1
The embodiment of the invention provides a kind of method of quiet period sleep, and as shown in Figure 1, this method comprises:
101, receiving station receives and sends the element of mourning in silence that website sends, and the described element of mourning in silence comprises the indication of the time started of mourning in silence.
Wherein, this receiving station can be VHT STA, also can be Non-VHT STA, and the embodiment of the invention does not limit this.This sends website can be AP, also can be other website, and the embodiment of the invention does not limit this yet; Concrete, in the BSS network, when having the AP of full-time administrative BSS, this sends website can be AP; In the BSS network, when not having the AP of full-time administrative BSS, this sends website can be other website.When the transmission website was AP, this AP can carry this element of mourning in silence in beacon frame (Beacon frame) or probing response frame (Probe Response frame).Wherein, the frame format of this element of mourning in silence is specific as follows:
Wherein, the time started of mourning in silence is indicated by Quiet Count, Quiet Period and Quiet Offset, and this is a kind of indirect indication, and receiving station needs to calculate the time started of mourning in silence according to these parameters.Quiet Duration indication is mourned in silence the lasting time, and Quiet Duration indicates the concluding time of mourning in silence indirectly with the time started of mourning in silence, and begins from mourning in silence to finish to be called as during this period of time quiet interval (Quiet interval) to mourning in silence.
102, described receiving station enters sleep state when mourning in silence beginning.Described sleep state refers to that website neither sends data and also do not receive a kind of like this power save mode of data, as the Doze among the 11ac.
Wherein, for VHT STA describes, concrete described VHTSTA enters sleep state to the embodiment of the invention when mourning in silence beginning with the receiving station, and as shown in Figure 2, when mourning in silence beginning, STA2 (VHT) and STA3 (VHT) enter sleep state.
In addition, for entering dormant website, the embodiment of the invention also provides a kind of awakening method, and concrete is: the described element of mourning in silence comprises the indication of the concluding time of mourning in silence; Described receiving station withdraws from sleep state when mourning in silence end.
Wherein, for VHT STA describes, described VHT STA withdraws from sleep state to the embodiment of the invention when mourning in silence end with the receiving station, and as shown in Figure 2, when mourning in silence end, STA2 (VHT) and STA3 (VHT) withdraw from sleep state.
In the embodiment of the invention, can make the website that receives the element of mourning in silence, when mourning in silence beginning, enter sleep state, save the energy of website.
And, can make to enter dormant website, withdraw from sleep state when finishing mourning in silence, make this website rearming.
Embodiment 2
The embodiment of the invention provides a kind of method of quiet period sleep, and as shown in Figure 3, this method comprises:
201, receiving station receives and sends the element of mourning in silence that website sends, and the described element of mourning in silence comprises the indication of the time started of mourning in silence.
Wherein, about receiving station, send website and the associated description of the associated description of the element of mourning in silence in can reference example 1 step 101, the embodiment of the invention will repeat no more herein.
202, before the beginning of mourning in silence, described receiving station confirms whether receive the channel element of mourning in silence that allows site STA and access point AP to communicate by letter at main 80MHz channel; If do not receive, then execution in step 203.
Need to prove, in 802.11ac network can with channel width be extended to 160MHz, this 160MHz can be made up of continuous 160MHz channel, also can be made up of discrete two 80MHz channels.Wherein, the 80MHz channel that comprises main 20MHz channel is called main 80MHz channel (primary 80MHz channel), and remaining 80MHz channel is called auxilliary 80MHz (secondary 80MHz channel).
Need to prove in addition, at 802.11ac, introduced the channel element of mourning in silence, be used to indicate available frequency band and using method in the quiet interval, VHT STAs can identify Quiet Channel element, and Non-VHT STAs can not identify Quiet Channel element.Wherein, the frame format of this channel element of mourning in silence is specific as follows:
When the AP silent mode (AP Quiet Mode)=0 of Quiet channel element, Quiet Count, Quiet Period, Quiet Duration, Quiet Offset does not exist, and therefore, this moment, Quiet channel element can only use with Quiet element.
If AP has sent Quiet Channel element, represent that then main 80MHz channel can be used in the quiet interval, and auxilliary 80MHz channel is unavailable.Wherein main 80MHz channel can comprise with specifically being divided into two kinds of situations in the quiet interval:
If AP silent mode territory (AP Quiet Mode rield) equals 1, represent then in the quiet interval that on main 80MHz channel, STA can communicate by letter with AP or communicate by letter with other STA are direct-connected.
If AP silent mode territory equals 0, then represent in the quiet interval, no matter on main 80MHz channel, still on auxilliary 80MHz channel, do not allow STA to communicate by letter with AP; But on main 80MHz channel, STA can communicate by letter with other STA are direct-connected.
Do not receive and allow site STA to comprise following situation with the channel element of mourning in silence that access point AP communicates by letter at main 80MHz channel: do not receive and mourn in silence channel element or receive the channel element of mourning in silence that this channel element indication of mourning in silence allows STA to communicate by letter at main 80MHz channel with access point AP.
203, described receiving station enters sleep state when mourning in silence beginning.
204, the described element of mourning in silence comprises the indication of the concluding time of mourning in silence, and described receiving station withdraws from sleep state when mourning in silence end.
In addition, need to prove that before the beginning of mourning in silence, this receiving station also might receive and send the channel element of mourning in silence that website sends; Allow described receiving station to enter dormant indication in quiet period if comprise in the described channel element of mourning in silence, then described receiving station enters sleep state when mourning in silence beginning.Wherein, this indication can be carried among the AP Quiet Mode field, also can be carried in other the parameter, and the embodiment of the invention does not limit this.In the time of in being carried at AP Quiet Mode field, for example, can carry by following mode:
No matter it is interior on main 80MHz channel that AP Quiet Mode field=0 represents quiet interval, still on auxilliary 80MHz channel, do not allow STA to communicate by letter with AP; But on main 80MHz channel, STA can communicate by letter with other STA are direct-connected; Do not allow simultaneously website when mourning in silence beginning, entering sleep state.
AP Quiet Mode field=1 represents that STA is allowed to communicate by letter with AP or communicate by letter with other STA are direct-connected in the quiet interval on main 80MHz channel; Do not allow simultaneously website when mourning in silence beginning, entering sleep state.
No matter it is interior on main 80MHz channel that AP Quiet Mode field=3 represents quiet interval, still on auxilliary 80MHz channel, do not allow STA to communicate by letter with AP; But on main 80MHz channel, STA can communicate by letter with other STA are direct-connected; Allow website when mourning in silence beginning, entering sleep state simultaneously.
AP Quiet Mode field=4 represents that STA is allowed to communicate by letter with AP or communicate by letter with other STA are direct-connected in the quiet interval on main 80MHz channel; Allow website when mourning in silence beginning, entering sleep state simultaneously.
Based on said method, the embodiment of the invention also provides a kind of method of quiet period sleep, this method comprises: send website and send mourn in silence element and the channel element of mourning in silence to receiving station, comprise the indication of the time started of mourning in silence in the described element of mourning in silence, comprise in the described channel element of mourning in silence and whether allow receiving station to enter dormant indication in quiet period; So that described receiving station allows described receiving station to enter mourning in silence during channel element of dormant indication in quiet period receiving to comprise, when mourning in silence beginning, enter sleep state.
In the embodiment of the invention, can make and receive the element of mourning in silence, and do not receive and allow site STA and access point AP in the channel element of mourning in silence of mourning in silence channel element or receiving that main 80MHz channel is communicated by letter, to comprise the described receiving station of permission to enter the website of dormant indication in quiet period, when mourning in silence beginning, enter sleep state, saved the energy of website.
And, can make to enter dormant website, withdraw from sleep state when finishing mourning in silence, make this website rearming.
Embodiment 3
The embodiment of the invention provides a kind of receiving station, and as shown in Figure 4, this receiving station comprises: first receiving element 31, sleep operation unit 32.
First receiving element is used for receiving station and receives the element of mourning in silence that sends the website transmission, and the described element of mourning in silence comprises the indication of the time started of mourning in silence.
The sleep operation unit is used for described receiving station and enters sleep state when mourning in silence beginning.
Further, as shown in Figure 5, this receiving station can be VHT STA, also can be Non-VHTSTA, and the embodiment of the invention is not limit this; Concrete, this receiving station also comprises: determining unit 33.
Determining unit 33 was used for before the beginning of mourning in silence, and determined whether described receiving station receives the channel element of mourning in silence that allows site STA and access point AP to communicate by letter at main 80MHz channel.
Described sleep operation unit 32 also is used for, and when described receiving station does not receive described mourning in silence during channel element, described receiving station enters sleep state when mourning in silence beginning.
Further, as shown in Figure 6, this receiving station can be VHT STA; This receiving station also comprises: second receiving element 34.
Second receiving element 34 is used for receiving the channel element of mourning in silence that sends the website transmission.
Described sleep operation unit 32 also is used for, comprise the described receiving station of permission when quiet period enters dormant indication information in the described channel element of mourning in silence that described second receiving element 34 receives, described receiving station enters sleep state when mourning in silence beginning.
Further, can withdraw from sleep when mourning in silence end in order to make the website that enters sleep, the described element of mourning in silence comprises the indication of the concluding time of mourning in silence.Described sleep operation unit 33 also is used for, and described receiving station withdraws from sleep state when mourning in silence end.
Need to prove that other of each functional module that receiving station comprises that the embodiment of the invention provides are described, can reference example 1 and embodiment 2 in associated description, the embodiment of the invention will repeat no more herein.
The embodiment of the invention also provides a kind of transmission website, and this sends website can be AP, also can be other website, and the embodiment of the invention does not limit this yet; Concrete, in the BSS network, when having the AP of full-time administrative BSS, this sends website can be AP; In the BSS network, when not having the AP of full-time administrative BSS, this sends website can be other website; As shown in Figure 7, this transmission website comprises: first transmitting element 41 and second transmitting element 42.
First transmitting element 41 is used for sending the element of mourning in silence to receiving station, comprises the indication of the time started of mourning in silence in the described element of mourning in silence.
Second transmitting element 42, be used for sending the channel element of mourning in silence to described receiving station, whether comprise in the described channel element of mourning in silence allows receiving station to enter dormant indication in quiet period, so that described receiving station allows described receiving station to enter mourning in silence during channel element of dormant indication in quiet period receiving to comprise, when mourning in silence beginning, enter sleep state.
The embodiment of the invention also provides a kind of system of quiet period sleep, and as shown in Figure 8, this system comprises receiving station 51 and sends website 52.
Receiving station 51 is used for receiving the element of mourning in silence that sends website 52 transmissions, and the described element of mourning in silence comprises the indication of the time started of mourning in silence; Described receiving station 51 enters sleep state when mourning in silence beginning.
51 of described receiving stations also are used for, and before the beginning of mourning in silence, confirm whether receive the channel element of mourning in silence that allows site STA and access point AP to communicate by letter at main 80MHz channel; If described receiving station 51 does not receive the described channel element of mourning in silence, then carry out described receiving station 51 and when mourning in silence beginning, enter sleep state.This receiving station can be VHT STA, also can be Non-VHT STA, and the embodiment of the invention is not limit this.
In addition, described transmission website 52 is used for sending the channel element of mourning in silence to described receiving station 51, comprises in the described channel element of mourning in silence to allow described receiving station to enter dormant indication in quiet period; 51 of described receiving stations also are used for, and receive to send the channel element of mourning in silence that website 52 sends; Allow described receiving station to enter dormant indication in quiet period if comprise in the described channel element of mourning in silence, then described receiving station 51 enters sleep state when mourning in silence beginning.Wherein, this receiving station can be VHT STA.
Need to prove, other descriptions of each functional module that system comprises of quiet period that the embodiment of the invention provides sleep, can reference example 1 and embodiment 2 in associated description, the embodiment of the invention will repeat no more herein.
In the embodiment of the invention, can make the website that receives the element of mourning in silence, when mourning in silence beginning, enter sleep state, save the energy of website.
And, in the embodiment of the invention, can make and receive the element of mourning in silence, and do not receive the channel element of mourning in silence that allows site STA and access point AP to communicate by letter at main 80MHz channel, comprise in the channel element of mourning in silence that perhaps receives and allow described receiving station to enter the website of dormant indication in quiet period, when mourning in silence beginning, enter sleep state, saved the energy of website.
Further, can make to enter dormant website, withdraw from sleep state when finishing mourning in silence, make this website rearming.
Through the above description of the embodiments, the those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential common hardware, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk as computer, hard disk or CD etc., comprise some instructions with so that computer equipment (can be personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of described claim.
Claims (12)
1. the method for a quiet period sleep is characterized in that, comprising:
Receiving station receives and sends the element of mourning in silence that website sends, and the described element of mourning in silence comprises the indication of the time started of mourning in silence;
Described receiving station enters sleep state when mourning in silence beginning.
2. method according to claim 1 is characterized in that, before the beginning of mourning in silence, also comprises:
Described receiving station confirms whether receive the channel element of mourning in silence that allows site STA and access point AP to communicate by letter at main 80MHz channel; Described website is superelevation throughput website VHT STA or non-superelevation throughput website Non-VHT STA;
If described receiving station does not receive the described channel element of mourning in silence, then carry out described receiving station and when mourning in silence beginning, enter sleep state.
3. method according to claim 1 is characterized in that, also comprises:
Described receiving station receives and sends the channel element of mourning in silence that website sends; Described receiving station is superelevation throughput website VHT STA;
Allow described receiving station to enter dormant indication in quiet period if comprise in the described channel element of mourning in silence, then carry out described receiving station and when mourning in silence beginning, enter sleep state.
4. according to each described method of claim 1-3, it is characterized in that, also comprise:
The described element of mourning in silence comprises the indication of the concluding time of mourning in silence;
Described receiving station withdraws from sleep state when mourning in silence end.
5. the method for a quiet period sleep is characterized in that, comprising:
Whether the transmission website sends mourn in silence element and the channel element of mourning in silence to receiving station, comprises the indication of the time started of mourning in silence in the described element of mourning in silence, comprise in the described channel element of mourning in silence to allow receiving station to enter dormant indication in quiet period; So that described receiving station allows described receiving station to enter mourning in silence during channel element of dormant indication in quiet period receiving to comprise, when mourning in silence beginning, enter sleep state.
6. a receiving station is characterized in that, comprising:
First receiving element is used for receiving station and receives the element of mourning in silence that sends the website transmission, and the described element of mourning in silence comprises the indication of the time started of mourning in silence;
The sleep operation unit is used for described receiving station and enters sleep state when mourning in silence beginning.
7. receiving station according to claim 6 is characterized in that, also comprises:
Determining unit was used for before the beginning of mourning in silence, and determined whether described receiving station receives the channel element of mourning in silence that allows site STA and access point AP to communicate by letter at main 80MHz channel; Described website is superelevation throughput website VHT STA or non-superelevation throughput website Non-VHT STA;
Described sleep operation unit also is used for, and when described receiving station does not receive described mourning in silence during channel element, described receiving station enters sleep state when mourning in silence beginning.
8. receiving station according to claim 6 is characterized in that, also comprises:
Second receiving element is used for receiving the channel element of mourning in silence that sends the website transmission; Described receiving station is superelevation throughput website VHT STA;
Described sleep operation unit also is used for, and comprises to allow described receiving station when quiet period enters dormant indication information in the described channel element of mourning in silence that described second receiving element receives, and described receiving station enters sleep state when mourning in silence beginning.
9. according to each described receiving station of claim 6-8, it is characterized in that the described element of mourning in silence comprises the indication of the concluding time of mourning in silence;
Described sleep operation unit also is used for, and described receiving station withdraws from sleep state when mourning in silence end.
10. one kind sends website, it is characterized in that, comprising:
First transmitting element is used for sending the element of mourning in silence to receiving station, comprises the indication of the time started of mourning in silence in the described element of mourning in silence;
Second transmitting element, be used for sending the channel element of mourning in silence to described receiving station, whether comprise in the described channel element of mourning in silence allows receiving station to enter dormant indication in quiet period, so that described receiving station allows described receiving station to enter mourning in silence during channel element of dormant indication in quiet period receiving to comprise, when mourning in silence beginning, enter sleep state.
11. the system of a quiet period sleep is characterized in that, comprises as each described receiving station among the claim 6-9.
12. system according to claim 11 is characterized in that, also comprises:
Send website, whether allow described receiving station to enter dormant indication in quiet period for sending the channel element of mourning in silence to described receiving station, comprising in the described channel element of mourning in silence.
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| CN201110455916.2A CN103188775B (en) | 2011-12-30 | 2011-12-30 | The method of quiet period sleep, website and system |
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| CN103188775B (en) | 2016-08-10 |
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