CN106856587A - The direct-connected data transmission method in tunnel, apparatus and system - Google Patents
The direct-connected data transmission method in tunnel, apparatus and system Download PDFInfo
- Publication number
- CN106856587A CN106856587A CN201510901023.4A CN201510901023A CN106856587A CN 106856587 A CN106856587 A CN 106856587A CN 201510901023 A CN201510901023 A CN 201510901023A CN 106856587 A CN106856587 A CN 106856587A
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- 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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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A kind of direct-connected data transmission method in tunnel, apparatus and system, methods described include：Second equipment caching treats that, to the data sent in dormant first equipment, first equipment and the second equipment are connected to AP equipment；Second equipment sends business and indicates in Preset Time to the AP equipment, and the Preset Time is set according to next target beacon transmission time.Methods described, apparatus and system can reduce the power consumption of the direct-connected data transfer in tunnel.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of direct-connected data transmission method in tunnel, device and it is
System.
Background technology
Wi-Fi is the WLAN based on IEEE 802.11b/g/n standards, can be by PC, hand-held
The technology that equipment (such as pad, mobile phone) terminal is wirelessly interconnected.
In order to lift the efficiency of data transfer, 802.11 protocol definitions direct-connected (the Tunneled Direct in tunnel
Link Setup, TDLS) technology.It is connected to two of same access point (Access Point, AP)
Applying the equipment of tunnel direct-connecting technology can set up the direct-connected connection in tunnel, and subsequent the two equipment can be straight
Transmission data are connect, without again by AP transfers.
The power consumption of the existing direct-connected method in tunnel needs further reduction.
The content of the invention
Present invention solves the technical problem that being the power consumption for reducing the direct-connected data transfer in tunnel.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of direct-connected data transmission method in tunnel,
Including：
Second equipment caching is treated to the data sent in dormant first equipment, first equipment
AP equipment is connected to the second equipment；
Second equipment sends business and indicates in Preset Time to the AP equipment, the Preset Time root
Set according to next target beacon transmission time.
Optionally, after second equipment caches the data, and before the Preset Time,
Second equipment is in sleep state.
Optionally, the direct-connected data transmission method in described tunnel also includes：
The AP equipment sends beacon in the target beacon transmission time to first equipment；
First equipment obtains the business and indicates according to the instruction of the beacon from the AP equipment；
First equipment sends the feedback information indicated for the business to second equipment；
Second equipment receives the number for sending the caching after the feedback information to first equipment
According to.
Optionally, before second equipment caches the data, second equipment is with described first
It is direct-connected that equipment sets up the tunnel.
Optionally, before second equipment caches the data, also include：Second equipment is received
The status information of first equipment, to confirm that first equipment is in sleep state.
Optionally, be timed using timer, with trigger second equipment the Preset Time to
AP equipment sends the business and indicates.
The embodiment of the present invention also provides a kind of tunnel direct-connected data transmission device, including：
Buffer unit, is suitable to cache the data for treating to send to the first equipment；
Timing transmitting element, is suitable to send business instruction, the Preset Time to AP equipment in Preset Time
Set according to next target beacon transmission time.
Optionally, the direct-connected data transmission device in the tunnel also includes：For the timer of timing, to touch
Send out timing transmitting element described and send the business to AP equipment in the Preset Time and indicate.
Optionally, the direct-connected data transmission device in the tunnel also includes：Status information receiving unit, is suitable to
The status information of the first equipment is received, to confirm that first equipment is in sleep state.
The embodiment of the present invention also provides a kind of tunnel direct-connected data transmission system, including：First equipment,
Two equipment and AP equipment, first equipment and second equipment are connected to the AP equipment,
Second equipment includes buffer unit and timing transmitting element, wherein：
The buffer unit is suitable to cache the data for treating to send to first equipment；
The timing transmitting element is suitable to send business instruction to the AP equipment in Preset Time, described pre-
If the time is set according to next target beacon transmission time.
Optionally, after second equipment caches the data, and before the Preset Time,
Second equipment is in sleep state.
Optionally, the AP equipment, is suitable in the target beacon transmission time, to first equipment
Send beacon；
First equipment, is further adapted for the instruction according to the beacon, and the industry is obtained from the AP equipment
Business is indicated；The feedback information indicated for the business is sent to second equipment；
Second equipment, is further adapted for being sent to first equipment data of the caching.
Optionally, before the status information that second equipment receives the first equipment, second equipment is
It is direct-connected the tunnel to be set up with first equipment.
Compared with prior art, the technical scheme of the embodiment of the present invention has the advantages that：
Because before next object transmission moment arrives, the first equipment is in sleep state, needs to wait for
The message from AP could be received before being arrived to next object transmission moment, therefore the second equipment waits straight
Indicated to business is sent to AP equipment in the Preset Time set according to next target beacon transmission time,
Allow that the second equipment selects to treat that the data sent to the first equipment are risen between Preset Time in caching
The state of time period, for example, can enter sleep state, such that it is able to reduce power consumption within the time.
Brief description of the drawings
Fig. 1 is a kind of flow chart of the direct-connected data transmission method in tunnel in the embodiment of the present invention；
Fig. 2 is the flow chart of the direct-connected data transmission method in another tunnel in the embodiment of the present invention；
Fig. 3 is a kind of structural representation of tunnel direct connection device in the embodiment of the present invention；
Fig. 4 is a kind of structural representation of the direct-connected system in tunnel in the embodiment of the present invention.
Specific embodiment
As it was previously stated, Wi-Fi is the WLAN based on IEEE 802.11b standards, can by PC,
The technology that handheld device (such as pad, mobile phone) terminal is wirelessly interconnected.In order to lift data
The efficiency of transmission, 802.11 protocol definitions tunnel is direct-connected (Tunneled Direct Link Setup, TDLS)
Technology.Being connected to two equipment for applying tunnel direct-connecting technology of same AP, can to set up tunnel direct-connected
Connection, subsequent the two equipment can directly transmit data, without again by AP transfers.Existing tunnel
The power consumption of the direct-connected method in road needs further reduction.
In embodiments of the present invention, due to next object transmission moment arrive before, at the first equipment
In sleep state, need to wait for that before next object transmission moment arrival the message from AP could be received,
Therefore the second equipment is waited until according to next target beacon transmission time (Target Beacon
Transmission Time, TBTT) Preset Time that sets sends business and indicates to AP equipment so that the
Two equipment can select to treat that the data sent to the first equipment were risen to the time period between Preset Time in caching
State, sleep state can be for example entered within the time, such that it is able to reduce power consumption.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to
Accompanying drawing is described in detail to specific embodiment of the invention.
Fig. 1 is a kind of flow chart of the direct-connected data transmission method in tunnel in the embodiment of the present invention.
In step s 11, the second equipment caching is treated to the data sent in dormant first equipment
(Buffer Unit, BU), first equipment and the second equipment are connected to AP equipment.
In 802.11 agreements, define the transmission of TDLS non-scheduled automatic power saves (TDLS Peer U-apsd,
TPU) technology, in the art, can be divided into TPU cache station (buffer sta) and TPU sleeps station
(sleep sta) two kinds of logical roles, wherein TPU sleep sta can enter sleep state to reduce power consumption,
Now opposite end plays the role of TPU buffer sta.In data transmission procedure in embodiments of the present invention,
First equipment can be considered as TPU sleep sta logical roles, and the second equipment can be considered as TPU buffer sta
Logical role.
It is understood that dormant first equipment refers to：It is direct-connected that first equipment is in tunnel
The sleep state of regulation, and be not necessarily referring to all parts of the first equipment and be in sleep state.Similarly,
Normal operating conditions refer to tunnel it is direct-connected in normal operating conditions.
Tunnel is set up between first equipment and the second equipment direct-connected, normal work shape is in two equipment
During state (active), can directly carry out data transmission.In specific implementation, the second equipment and first sets
Wi-Fi connection can be supported for that can be that mobile phone, desktop computer, panel computer, intelligence printer etc. are various
The equipment of function.
In specific implementation, it can be described tunnel to be set up between the first equipment and the second equipment direct-connected
Set up before the two equipment caching data.
In another specific implementation, the first equipment before entering a sleep state, can set to described second
Preparation send status information, to cause that second equipment learns that the first equipment has been enter into sleep state.
In step S12, second equipment sends business and indicates in Preset Time to the AP equipment, institute
Preset Time is stated to be set according to next target beacon transmission time.
First equipment and the second equipment are connected to AP equipment, are synchronized with AP equipment, target beacon
Transmission time is determined by AP.When the first equipment is in sleep state, only can in target beacon transmission time
To receive the message from AP, it is impossible to directly carry out data transmission by the way that tunnel is direct-connected with the second equipment.
Business instruction (peer traffic indication, PTI) can be sent by specific PTI frames.
The Preset Time can be set according to next target beacon transmission time.For example, the Preset Time
The moment of next target beacon transmission time preset in advance time is could be arranged to, so that AP equipment is connecing
After receiving business instruction, beacon can be sent to the first equipment in target beacon transmission time.
In specific implementation, after second equipment caches the data, and in the Preset Time
Before, second equipment may be at sleep state, to reduce the work(of the direct-connected data transmission method in tunnel
Consumption.When Preset Time is set according to next target beacon transmission time, the second equipment is may be referred to by tunnel
Set of time needed for the sleep state to normal operating conditions of the direct-connected regulation in road, for example, could be arranged to 5ms
To 6ms.
In an embodiment of the present invention, it is timed using timer, to trigger second equipment in institute
State Preset Time and send the business instruction to AP equipment.
Fig. 2 is the flow chart of the direct-connected data transmission method in another tunnel in the embodiment of the present invention.
In step S21, the second equipment caching is treated to the data sent in dormant first equipment,
First equipment and the second equipment are connected to AP equipment.
Implementing for step S21 may refer to step S11 in Fig. 1, and this is not repeated.
In step S22, second equipment sends business and indicates in Preset Time to the AP equipment, institute
Preset Time is stated to be set according to next target beacon transmission time.
Target beacon transmission time is determined that general objectives beacon transmission moments are the fixed multiple in interval by AP
At the moment, in specific implementation, fixed interval can be 100ms.T in figure1Moment and t3Moment can be with
Regard two target beacon transmission times as, between at intervals of foregoing fixed intervals.
First equipment can receive the beacon (beacon) from AP equipment in target beacon transmission time,
Receiving beacon can be realized by received beacon frame.It is understood that t in figure1Moment and t3Moment is only
To illustrate, physical location is not represented.
If as can be seen that after step s 21, in t4Moment directly sends business and indicates to AP, and first
Equipment need to keep the normal operating conditions of the direct-connected regulation in tunnel after the t4 moment, with etc. to be received come from second
The feedback information of equipment, but the second equipment is in t4Moment is to t3Moment is constantly in sleep state therebetween, and
Data interaction can not be carried out with the second equipment.It is a kind of that the first equipment keeps normal operating conditions therebetween herein
Waste.
Therefore, the first equipment is set and sends business instruction to the AP equipment in the time that sets, that is, in figure
t2Moment sends business and indicates to the AP equipment, after step s 21, t2Before moment, in sleeping
Dormancy state, can reduce the power consumption of the direct-connected data transmission method in tunnel.For example, when two target beacons are passed
When between the defeated moment at intervals of 100ms, least ideally, the first equipment is needed in wait 100ms,
If the moment for being arranged on 5ms before next mark beacon transmission moments arrive sends business and indicates to AP equipment,
The power consumption that the first equipment that can then make is saved in 95ms.
In step S23, the AP equipment sends in the target beacon transmission time to first equipment
Beacon.
In step S24, first equipment obtains institute according to the instruction of the beacon from the AP equipment
State business instruction.
In the beacon that AP equipment sends to the first equipment, there is instructions of the AP to the first equipment, indicate the
One equipment obtains the business instruction frame for being temporarily stored into AP equipment.First equipment sets according to the instruction from the AP
Standby acquisition business indicates frame, to obtain business instruction.
In step S25, first equipment is sent for the anti-of business instruction to second equipment
Feedforward information.
In step S26, second equipment sends after receiving the feedback information to first equipment
The data of the caching.
In embodiments of the present invention, due to next object transmission moment arrive before, at the first equipment
In sleep state, need to wait for that to next object transmission moment before arriving disappearing from AP could be received
Breath, thus the second equipment wait until the Preset Time set according to next target beacon transmission time to
AP equipment sends business and indicates so that the second equipment can select to treat the number to the transmission of the first equipment in caching
According to the state risen to the time period between Preset Time, for example, can enter sleep state within the time,
Such that it is able to reduce power consumption.Due to the transmission for supporting reasonable delay business to indicate, the present invention has no effect on
To the compatibility of standard agreement.
The embodiment of the present invention also provides a kind of tunnel direct-connected data transmission device, and its structural representation is shown in Fig. 3.
The direct-connected data transmission device in tunnel includes：Buffer unit 31, timing transmitting element 32.
Buffer unit 31, is suitable to cache the data for treating to send to first equipment；
Timing transmitting element 32, is suitable to send business instruction to AP equipment in Preset Time, described default
Time is set according to next target beacon transmission time.
In specific implementation, the direct-connected data transmission device in tunnel can also include：For the timer of timing
(not shown), the industry is sent to trigger the timing transmitting element in the Preset Time to AP equipment
Business is indicated.
In specific implementation, timer can be timer internal or external timer.
In specific implementation, the direct-connected data transmission device in tunnel can also include：Status information receiving unit
33, it is suitable to receive the status information of the first equipment, to confirm that first equipment is in sleep state.
The embodiment of the present invention also provides a kind of tunnel direct-connected data transmission system, and its structural representation is shown in Fig. 4.
The direct-connected data transmission system in tunnel includes：First equipment 41, the second equipment 42 and AP equipment 43.
First equipment 41 and second equipment 42 are connected to the AP equipment 43；
Second equipment 42 includes buffer unit and timing transmitting element, and the buffer unit is suitable to caching
Treat to the data sent of first equipment hair 41, the timing transmitting element, be suitable to Preset Time to
AP equipment 43 sends business and indicates, and the Preset Time is set according to next target beacon transmission time.
In specific implementation, after second equipment 42 caches the data, and when described default
Between before, second equipment 42 be in sleep state.
In specific implementation, the AP equipment 43 is suitable in the target beacon transmission time, to institute
State the first equipment 41 and send beacon；First equipment 41, is further adapted for the instruction according to the beacon, from
The AP equipment 43 obtains the business and indicates；Sent to second equipment 42 and referred to for the business
The feedback information for showing；Second equipment 42, is further adapted for sending the caching to first equipment 41
Data.
In specific implementation, before the status information that second equipment 42 receives the first equipment 41, institute
Stating the second equipment 42, to have set up the tunnel with first equipment 41 direct-connected.
One of ordinary skill in the art will appreciate that all or part of step in the various methods of above-described embodiment
Rapid to can be by program to instruct the hardware of correlation to complete, the program can be stored in a computer can
Read in storage medium, storage medium can include：ROM, RAM, disk or CD etc..
Although present disclosure is as above, the present invention is not limited to this.Any those skilled in the art,
Without departing from the spirit and scope of the present invention, can make various changes or modifications, therefore guarantor of the invention
Shield scope should be defined by claim limited range.
Claims (13)
1. the direct-connected data transmission method in a kind of tunnel, it is characterised in that including：
Second equipment caching treated to the data sent in dormant first equipment, first equipment with
Second equipment is connected to AP equipment；
Second equipment sends business and indicates in Preset Time to the AP equipment, the Preset Time root
Set according to next target beacon transmission time.
2. the direct-connected data transmission method in tunnel according to claim 1, it is characterised in that described second
Equipment is cached after the data, and before the Preset Time, second equipment is in sleep
State.
3. the direct-connected data transmission method in tunnel according to claim 1, it is characterised in that also include：
The AP equipment sends beacon in the target beacon transmission time to first equipment；
First equipment obtains the business and indicates according to the instruction of the beacon from the AP equipment；
First equipment sends the feedback information indicated for the business to second equipment；
Second equipment receives the number for sending the caching after the feedback information to first equipment
According to.
4. the direct-connected data transmission method in tunnel according to claim 1, it is characterised in that described second
Before equipment caches the data, it is direct-connected that second equipment has set up the tunnel with first equipment.
5. the direct-connected data transmission method in tunnel according to claim 1, it is characterised in that described second
Before equipment caches the data, also include：Second equipment receives the state letter of first equipment
Breath, to confirm that first equipment is in sleep state.
6. the direct-connected data transmission method in tunnel according to claim 1, it is characterised in that use timer
It is timed, the business is sent to AP equipment in the Preset Time to trigger second equipment
Indicate.
7. the direct-connected data transmission device in a kind of tunnel, it is characterised in that including：
Buffer unit, is suitable to cache the data for treating to send to the first equipment；
Timing transmitting element, is suitable to send business instruction, the Preset Time to AP equipment in Preset Time
Set according to next target beacon transmission time.
8. the direct-connected data transmission device in tunnel according to claim 7, it is characterised in that also include：With
In the timer of timing, sent out to AP equipment in the Preset Time with triggering the timing transmitting element
The business is sent to indicate.
9. the direct-connected data transmission device in tunnel according to claim 7, it is characterised in that also include：Shape
State information receiving unit, is suitable to receive the status information of the first equipment, to confirm at first equipment
In sleep state.
10. the direct-connected data transmission system in a kind of tunnel, it is characterised in that including：First equipment, the second equipment,
And AP equipment, first equipment and second equipment are connected to the AP equipment, described
Two equipment include buffer unit and timing transmitting element, wherein：
The buffer unit is suitable to cache the data for treating to send to first equipment；
The timing transmitting element is suitable to send business instruction to the AP equipment in Preset Time, described pre-
If the time is set according to next target beacon transmission time.
The 11. direct-connected data transmission systems in tunnel according to claim 10, it is characterised in that described second
Equipment is cached after the data, and before the Preset Time, second equipment is in sleep
State.
The 12. direct-connected data transmission systems in tunnel according to claim 10, it is characterised in that：
The AP equipment, is suitable in the target beacon transmission time, and beacon is sent to first equipment；
First equipment, is further adapted for the instruction according to the beacon, and the industry is obtained from the AP equipment
Business is indicated；The feedback information indicated for the business is sent to second equipment；
Second equipment, is further adapted for being sent to first equipment data of the caching.
The 13. direct-connected data transmission systems in tunnel according to claim 10, it is characterised in that described second
Before equipment receives the status information of the first equipment, second equipment sets up institute with first equipment
State tunnel direct-connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510901023.4A CN106856587A (en) | 2015-12-08 | 2015-12-08 | The direct-connected data transmission method in tunnel, apparatus and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510901023.4A CN106856587A (en) | 2015-12-08 | 2015-12-08 | The direct-connected data transmission method in tunnel, apparatus and system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106856587A true CN106856587A (en) | 2017-06-16 |
Family
ID=59131191
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510901023.4A Pending CN106856587A (en) | 2015-12-08 | 2015-12-08 | The direct-connected data transmission method in tunnel, apparatus and system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| WO2023004644A1 (en) * | 2021-07-28 | 2023-02-02 | 北京小米移动软件有限公司 | Multi-link communication method and multi-link communication apparatus |
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Application publication date: 20170616 |