CN103188775B - The method of quiet period sleep, website and system - Google Patents
The method of quiet period sleep, website and system Download PDFInfo
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- CN103188775B CN103188775B CN201110455916.2A CN201110455916A CN103188775B CN 103188775 B CN103188775 B CN 103188775B CN 201110455916 A CN201110455916 A CN 201110455916A CN 103188775 B CN103188775 B CN 103188775B
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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 method and the website of a kind of quiet period sleep, relate to the communications field, it is possible to make the website receiving element of mourning in silence enter sleep state when entering quiet period, save the energy of website.The method comprise the steps that receiving station receives the element of mourning in silence that transmitting station sends, described in mourn in silence the instruction that element comprises the time started of mourning in silence；Described receiving station enters sleep state when mourning in silence beginning.The website that embodiments of the invention are mainly used in making to receive element of mourning in silence is during quiet period enters sleep.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of method of quiet period sleep, website and system.
Background technology
WLAN (Wireless local area network, WLAN) element is Basic Service Set (Basic service set, BSS), within this BBS is by a certain particular coverage, and there is website (Enabling station, the STA) composition of certain association；This BBS mainly has both of which, the first, in BSS network, there is the central location of full-time administrative BSS and be referred to as access point (Access point, AP), and other STA in the network is the most associated with it.The second, in BSS network, does not have the AP of full-time administrative BSS, and the STA ad-hoc network in this network the most directly communicates.It addition, 802.11ac introduces a kind of new frame format, and by network can channel width be extended to 160MHz, to improve the throughput of network.Wherein, the website supporting this frame format is referred to as superelevation throughput website (Very High Throughput Station, VHT STA), the website not supporting this frame format is referred to as non-super high-throughput website (Non Very High Throughput Station, Non-VHT STA).In same BSS network, VHT STAs and Non-VHT STAs can be there is simultaneously.
For the frequency band of Web vector graphic the needs such as measure, AP uses and mourns in silence element (Quiet element) and silent channel element (Quiet Channel element) instruction STA keeps mourning in silence in part (for Quiet Channel element) or whole channel；This Quiet element is to introduce in the standard before 802.11ac, is mainly used in Non-VHT STAs.For 802.11ac, introduce silent channel element (Quiet Channel element), its frequency band available in indicating quiet interval and using method, VHT STAs can identify that Quiet Channel element, Non-VHT STAs can not identify Quiet Channel element.
Inventor states during mourning in silence on the implementation, find that in prior art, at least there are the following problems: when VHT STAs only receives Quiet element, VHT STAs is when mourning in silence beginning, but is not introduced into sleep state, causes the energy dissipation of VHT STAs.
Summary of the invention
Embodiments of the invention provide a kind of method of quiet period sleep, website and system, it is possible to make the website receiving element of mourning in silence enter sleep state when mourning in silence beginning, save the energy of website.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
A kind of method of quiet period sleep, including:
Receiving station receives the element of mourning in silence that transmitting station sends, described in mourn in silence the instruction that element comprises 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, including:
Transmitting station sends to receiving station and mourns in silence element and silent channel element, described in mourn in silence the instruction comprising the time started of mourning in silence in element, described silent channel element comprises and whether allows receiving station to enter dormant instruction in quiet period；So that described receiving station receive comprise allow described receiving station quiet period enter dormant instruction silent channel element time, mourn in silence beginning time enter sleep state.
A kind of receiving station, including:
First receives unit, receives, for receiving station, the element of mourning in silence that transmitting station sends, described in mourn in silence the instruction that element comprises the time started of mourning in silence；
Sleep operation unit, enters sleep state for described receiving station when mourning in silence beginning.
A kind of transmitting station, including:
First transmitting element, mourns in silence element for sending to receiving station, described in mourn in silence the instruction comprising the time started of mourning in silence in element；
Second transmitting element, for sending silent channel element to described receiving station, described silent channel element comprises and whether allows receiving station to enter dormant instruction in quiet period, so that described receiving station receive comprise allow described receiving station quiet period enter dormant instruction silent channel element time, mourn in silence beginning time enter sleep state.
A kind of system of quiet period sleep, including:
Receiving station, for receiving the element of mourning in silence that transmitting station sends, described in mourn in silence the instruction that element comprises the time started of mourning in silence；Described receiving station enters sleep state when mourning in silence beginning.
The method of quiet period sleep, website and the system that the embodiment of the present invention provides, it is possible to make the website receiving element of mourning in silence enter sleep state when mourning in silence beginning, save the energy of website.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in describing below is only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to 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 present invention 1；
Fig. 2 is the operating process schematic diagram of quiet period sleep in the embodiment of the present invention 1；
Fig. 3 is the method flow diagram of quiet period sleep in the embodiment of the present invention 2；
Fig. 4 is the composition frame chart of a kind of receiving station in the embodiment of the present invention 3；
Fig. 5 is the composition frame chart of another kind of receiving station in the embodiment of the present invention 3；
Fig. 6 is the composition frame chart of another kind of receiving station in the embodiment of the present invention 3；
Fig. 7 is the composition frame chart of transmitting station in the embodiment of the present invention 3；
Fig. 8 is the block diagram of system of quiet period sleep in the embodiment of the present invention 3.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art are obtained under not making creative work premise, broadly fall into the scope of protection of the invention.
Embodiment 1
The embodiment of the present invention provides a kind of method of quiet period sleep, as it is shown in figure 1, the method includes:
101, receiving station receives the element of mourning in silence that transmitting station sends, described in mourn in silence the instruction that element comprises the time started of mourning in silence.
Wherein, this receiving station can be VHT STA, it is also possible to for Non-VHT STA, this is not limited by the embodiment of the present invention.This transmitting station can be AP, it is also possible to for other website, this is not limited by the embodiment of the present invention；Concrete, when, in BSS network, when having the AP of full-time administrative BSS, this transmitting station can be AP；When, in BSS network, when not having the AP of full-time administrative BSS, this transmitting station can be other website.When transmitting station is 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 with Quiet Offset by Quiet Count, Quiet Period, and this is that one indirectly indicates, and receiving station need to carry out being calculated the time started of mourning in silence according to these parameters.Quiet Duration indicates duration of mourning in silence, and Quiet Duration indicates the end time mourned in silence together with the time started of mourning in silence indirectly, starts from mourning in silence to end of mourning in silence to be referred to as quiet interval (Quiet interval) during this period of time.
102, described receiving station enters sleep state when mourning in silence beginning.Described sleep state refers to that website neither sends data and the most do not receives data such a power save mode, such as the Doze in 11ac.
Wherein, the embodiment of the present invention illustrates with receiving station for VHT STA, and concrete described VHTSTA enters sleep state when mourning in silence beginning, as in figure 2 it is shown, when mourning in silence beginning, STA2 (VHT) and STA3 (VHT) enters sleep state.
It addition, for entering dormant website, the embodiment of the present invention also provides for a kind of awakening method, concrete is: described in element of mourning in silence include mourning in silence the instruction of end time；Described receiving station exits sleep state at the end of mourning in silence.
Wherein, the embodiment of the present invention illustrates with receiving station for VHT STA, and described VHT STA exits sleep state at the end of mourning in silence, as in figure 2 it is shown, at the end of mourning in silence, STA2 (VHT) and STA3 (VHT) exits sleep state.
In the embodiment of the present invention, it is possible to make to receive the website of element of mourning in silence, enter sleep state when mourning in silence beginning, save the energy of website.
Further, it is possible to make the dormant website of entrance, at the end of mourning in silence, exit sleep state so that this website rearming.
Embodiment 2
The embodiment of the present invention provides a kind of method of quiet period sleep, as it is shown on figure 3, the method includes:
201, receiving station receives the element of mourning in silence that transmitting station sends, described in mourn in silence the instruction that element comprises the time started of mourning in silence.
Wherein, the associated description about receiving station, transmitting station and element of mourning in silence is referred to the associated description in embodiment 1 step 101, and the embodiment of the present invention will not be described in great detail herein.
202, before beginning of mourning in silence, described receiving station is confirmed whether to receive the silent channel element allowing site STA to communicate on main 80MHz channel with access point AP；If being not received by, then perform step 203.
It should be noted that in 802.11ac network can channel width be extended to 160MHz, this 160MHz can be made up of continuous print 160MHz channel, it is also possible to is made up of discrete two 80MHz channels.Wherein, the 80MHz channel comprising main 20MHz channel is referred to as main 80MHz channel (primary 80MHz channel), and remaining 80MHz channel is referred to as auxiliary 80MHz (secondary 80MHz channel).
It is further to note that, for 802.11ac, introduce silent channel element, frequency band available in indicating quiet interval and using method, VHT STAs can identify Quiet Channel element, and Non-VHT STAs can not identify Quiet Channel element.Wherein, the frame format of this silent channel element is specific as follows:
As AP silent mode (the AP Quiet Mode)=0 of Quiet channel element, Quiet Count, Quiet Period, Quiet Duration, Quiet Offset does not exists, therefore, now Quiet channel element can only be used together with Quiet element.
If AP have sent Quiet Channel element, then it represents that in quiet interval, main 80MHz channel can be used, and auxiliary 80MHz channel is unavailable.Wherein in quiet interval main 80MHz channel can with being specifically divided into two kinds of situations, including:
If AP silent mode territory (AP Quiet Mode rield) is equal to 1, then it represents that in quiet interval, on main 80MHz channel, STA can communicate with AP or communication direct-connected with other STA.
If AP silent mode territory is equal to 0, then it represents that in quiet interval, no matter on main 80MHz channel, or on auxiliary 80MHz channel, the most do not allow STA with AP to communicate；But on main 80MHz channel, STA can communication direct-connected with other STA.
The silent channel element being not received by allowing site STA to communicate on main 80MHz channel with access point AP includes situations below: does not receive silent channel element or receives silent channel element, and the instruction of this silent channel element allows STA and access point AP to communicate on main 80MHz channel.
203, described receiving station enters sleep state when mourning in silence beginning.
204, element of mourning in silence described in includes mourning in silence the instruction of end time, and described receiving station exits sleep state at the end of mourning in silence.
In addition, it is necessary to explanation, before beginning of mourning in silence, this receiving station is it is also possible to receive the silent channel element that transmitting station sends；If comprising the described receiving station of permission in described silent channel element to enter dormant instruction in quiet period, the most described receiving station enters sleep state when mourning in silence beginning.Wherein, this instruction can be carried in AP Quiet Mode field, it is also possible to carrying in other parameter, this is not limited by the embodiment of the present invention.When carrying in AP Quiet Mode field, for example, it is possible to carry by the way of following:
No matter AP Quiet Mode field=0 represents that quiet interval is interior on main 80MHz channel, or on auxiliary 80MHz channel, does not the most allow STA with AP to communicate；But on main 80MHz channel, STA can communication direct-connected with other STA；Do not allow website entering sleep state when mourning in silence beginning simultaneously.
In AP Quiet Mode field=1 represents quiet interval, STA is allowed to communicate with AP on main 80MHz channel or communication direct-connected with other STA；Do not allow website entering sleep state when mourning in silence beginning simultaneously.
No matter AP Quiet Mode field=3 represents that quiet interval is interior on main 80MHz channel, or on auxiliary 80MHz channel, does not the most allow STA with AP to communicate；But on main 80MHz channel, STA can communication direct-connected with other STA；Allow website entering sleep state when mourning in silence beginning simultaneously.
In AP Quiet Mode field=4 represents quiet interval, STA is allowed to communicate with AP on main 80MHz channel or communication direct-connected with other STA；Allow website entering sleep state when mourning in silence beginning simultaneously.
Based on said method, the embodiment of the present invention also provides for a kind of method of quiet period sleep, the method includes: transmitting station sends, to receiving station, mourn in silence element and silent channel element, described element of mourning in silence comprises the instruction of time started of mourning in silence, described silent channel element comprises and whether allows receiving station to enter dormant instruction in quiet period；So that described receiving station receive comprise allow described receiving station quiet period enter dormant instruction silent channel element time, mourn in silence beginning time enter sleep state.
In the embodiment of the present invention, can make to receive element of mourning in silence, and it is not received by allowing in the silent channel element that communicate on main 80MHz channel with access point AP of site STA or the silent channel element that receives comprising the permission described receiving station website in the quiet period dormant instruction of entrance, enter sleep state when mourning in silence beginning, save the energy of website.
Further, it is possible to make the dormant website of entrance, at the end of mourning in silence, exit sleep state so that this website rearming.
Embodiment 3
The embodiment of the present invention provides a kind of receiving station, and as shown in Figure 4, this receiving station includes: first receives unit 31, sleep operation unit 32.
First receives unit, receives, for receiving station, the element of mourning in silence that transmitting station sends, described in mourn in silence the instruction that element comprises the time started of mourning in silence.
Sleep operation unit, enters sleep state for described receiving station when mourning in silence beginning.
Further, as it is shown in figure 5, this receiving station can be VHT STA, it is also possible to for Non-VHTSTA, this is not limited by the embodiment of the present invention；Concrete, this receiving station also comprises determining that unit 33.
Determine unit 33, for, before beginning of mourning in silence, determining whether described receiving station receives the silent channel element allowing site STA to communicate on main 80MHz channel with access point AP.
Described sleep operation unit 32 is additionally operable to, and when described receiving station does not receives described silent 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 includes: second receives unit 34.
Second receives unit 34, for receiving the silent channel element that transmitting station sends.
Described sleep operation unit 32 is additionally operable to, and when described second receives and comprise the described receiving station of permission in the described silent channel element that unit 34 receives in the quiet period dormant instruction information of entrance, described receiving station enters sleep state when mourning in silence beginning.
Further, in order to the website enabling entrance to sleep exits sleep at the end of mourning in silence, described in element of mourning in silence include mourning in silence the instruction of end time.Described sleep operation unit 33 is additionally operable to, and described receiving station exits sleep state at the end of mourning in silence.
It should be noted that the receiving station that the embodiment of the present invention provides is comprised other descriptions of each functional module, being referred to the associated description in embodiment 1 and embodiment 2, the embodiment of the present invention will not be described in great detail herein.
The embodiment of the present invention also provides for a kind of transmitting station, and this transmitting station can be AP, it is also possible to for other website, this is not limited by the embodiment of the present invention；Concrete, when, in BSS network, when having the AP of full-time administrative BSS, this transmitting station can be AP；When, in BSS network, when not having the AP of full-time administrative BSS, this transmitting station can be other website；As it is shown in fig. 7, this transmitting station includes: the first transmitting element 41 and the second transmitting element 42.
First transmitting element 41, mourns in silence element for sending to receiving station, described in mourn in silence the instruction comprising the time started of mourning in silence in element.
Second transmitting element 42, for sending silent channel element to described receiving station, described silent channel element comprises and whether allows receiving station to enter dormant instruction in quiet period, so that described receiving station receive comprise allow described receiving station quiet period enter dormant instruction silent channel element time, mourn in silence beginning time enter sleep state.
The embodiment of the present invention also provides for the system of a kind of quiet period sleep, and as shown in Figure 8, this system includes receiving station 51 and transmitting station 52.
Receiving station 51, for receiving the element of mourning in silence that transmitting station 52 sends, described in mourn in silence the instruction that element comprises the time started of mourning in silence；Described receiving station 51 enters sleep state when mourning in silence beginning.
Described receiving station 51 is additionally operable to, and before beginning of mourning in silence, is confirmed whether to receive the silent channel element allowing site STA to communicate on main 80MHz channel with access point AP；If described receiving station 51 does not receives described silent channel element, then perform described receiving station 51 and enter sleep state when mourning in silence beginning.This receiving station can be VHT STA, it is also possible to for Non-VHT STA, this is not limited by the embodiment of the present invention.
It addition, described transmitting station 52, for sending silent channel element to described receiving station 51, described silent channel element comprises the described receiving station of permission and enters dormant instruction in quiet period；Described receiving station 51 is additionally operable to, and receives the silent channel element that transmitting station 52 sends；If comprising the described receiving station of permission in described silent channel element to enter dormant instruction in quiet period, the most described receiving station 51 enters sleep state when mourning in silence beginning.Wherein, this receiving station can be VHT STA.
It should be noted that the system of the quiet period sleep of embodiment of the present invention offer is comprised other descriptions of each functional module, being referred to the associated description in embodiment 1 and embodiment 2, the embodiment of the present invention will not be described in great detail herein.
In the embodiment of the present invention, it is possible to make to receive the website of element of mourning in silence, enter sleep state when mourning in silence beginning, save the energy of website.
And, in the embodiment of the present invention, can make to receive element of mourning in silence, and it is not received by the silent channel element allowing site STA to communicate on main 80MHz channel with access point AP, or the silent channel element received comprises and allows described receiving station to enter the website of dormant instruction in quiet period, enter sleep state when mourning in silence beginning, save the energy of website.
Further, it is possible to make the dormant website of entrance, at the end of mourning in silence, exit sleep state so that this website rearming.
Through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required common hardware by software to the present invention and realize, naturally it is also possible to by hardware, but a lot of in the case of the former is more preferably embodiment.Based on such understanding, the part that prior art is contributed by technical scheme the most 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 such as computer, hard disk or CD etc., including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) performs the method described in each embodiment of the present invention.
The above; being only the detailed description of the invention of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (8)
1. the method for a quiet period sleep, it is characterised in that including:
Receiving station receives the element of mourning in silence that transmitting station sends, described in element of mourning in silence comprise the time started of mourning in silence
Instruction；
Described receiving station receives the silent channel element that transmitting station sends；Described receiving station is that superelevation gulps down
Tell rate website VHT STA；
If described silent channel element comprising the described receiving station of permission enter dormant finger in quiet period
Showing, the most described receiving station enters sleep state when mourning in silence beginning.
Method the most according to claim 1, it is characterised in that also include:
Described element of mourning in silence includes mourning in silence the instruction of end time；
Described receiving station exits sleep state at the end of mourning in silence.
3. the method for a quiet period sleep, it is characterised in that including:
Transmitting station sends to receiving station and mourns in silence element and silent channel element, described in mourn in silence element comprise
Mourn in silence the instruction of time started, described silent channel element comprises and whether allows receiving station to enter in quiet period
Enter dormant instruction；So that described receiving station receive comprise permission described receiving station mourning in silence
When phase enters the silent channel element of dormant instruction, enter sleep state when mourning in silence beginning.
4. a receiving station, it is characterised in that including:
First receives unit, receives, for receiving station, the element of mourning in silence that transmitting station sends, described in mourn in silence unit
Element comprises the instruction of time started of mourning in silence；
Second receives unit, for receiving the silent channel element that transmitting station sends；Described receiving station is
Superelevation throughput website VHT STA；
Sleep operation unit is used for, and receives in the described silent channel element that unit receives described second and comprises
Allowing described receiving station when quiet period enters dormant instruction information, described receiving station is being mourned in silence
Sleep state is entered during beginning.
Receiving station the most according to claim 4, it is characterised in that described in element of mourning in silence include mourning in silence
The instruction of end time；
Described sleep operation unit is additionally operable to, and described receiving station exits sleep state at the end of mourning in silence.
6. a transmitting station, it is characterised in that including:
First transmitting element, mourns in silence element for sending to receiving station, described in mourn in silence element comprises and mourn in silence
The instruction of time started；
Second transmitting element, for sending silent channel element, described silent channel unit to described receiving station
Element comprises and whether allows receiving station to enter dormant instruction in quiet period, in order to described receiving station
Described receiving station is allowed to enter the silent channel element of dormant instruction in quiet period receiving to comprise
Time, enter sleep state when mourning in silence beginning.
7. the system of a quiet period sleep, it is characterised in that include connecing as described in claim 4 or 5
Receive website.
System the most according to claim 7, it is characterised in that also include:
Transmitting station, for sending silent channel element to described receiving station, in described silent channel element
Comprise and whether allow described receiving station to enter dormant instruction in quiet period.
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| US9591564B2 (en) * | 2014-03-31 | 2017-03-07 | Huawei Technologies Co., Ltd. | Methods for dynamic traffic offloading and transmit point (TP) muting for energy efficiency in virtual radio access network (V-RAN) |
| CN108076503B (en) * | 2016-11-15 | 2021-05-14 | 珠海市魅族科技有限公司 | Communication method, communication device, access point and station of wireless local area network |
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| CN102265668A (en) * | 2008-12-22 | 2011-11-30 | Lg电子株式会社 | Procedure for basic service set (bss) load management in wlan system |
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| CN100370881C (en) * | 2004-11-22 | 2008-02-20 | 华为技术有限公司 | Method for overlapping audit window under hibernation status |
| WO2010098519A1 (en) * | 2009-02-24 | 2010-09-02 | Lg Electronics Inc. | Method of limiting transmission rate |
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| CN101583162A (en) * | 2008-05-15 | 2009-11-18 | 大唐移动通信设备有限公司 | Configuration method, device and base station for uplink signaling |
| CN102265668A (en) * | 2008-12-22 | 2011-11-30 | Lg电子株式会社 | Procedure for basic service set (bss) load management in wlan system |
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