CN109729570A - The method of wlan device and its pattern switching, readable medium - Google Patents
The method of wlan device and its pattern switching, readable medium Download PDFInfo
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- CN109729570A CN109729570A CN201711051235.3A CN201711051235A CN109729570A CN 109729570 A CN109729570 A CN 109729570A CN 201711051235 A CN201711051235 A CN 201711051235A CN 109729570 A CN109729570 A CN 109729570A
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- data packet
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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
Method, the readable medium of a kind of wlan device and its pattern switching, the method for the wlan device pattern switching include: to obtain the confirmation of other wlan devices interaction to occupy the data packet of WLAN channel；Confirmation based on acquired other wlan devices interaction occupies the data packet of WLAN channel, switches to battery saving mode, under the battery saving mode, the wlan device does not send and receive any signal.Using above scheme, the confirmation by obtaining the interaction of other wlan devices occupies the data packet of WLAN channel, and the confirmation based on acquired other wlan devices interaction occupies the data packet of WLAN channel, switches to battery saving mode, can reduce the power consumption of wlan device.
Description
Technical field
The present embodiments relate to a kind of methods of the communications field more particularly to wlan device and its pattern switching, readable
Medium.
Background technique
In WLAN (Wireless Local Area Networks, WLAN) system, when some access point
(Access Point, AP) equipment and website (Station, the Sta) equipment being attached thereto are in communication, other wlan devices
There is still a need under the activation pattern that has the initiative (active mode).
But in practice, when between some AP equipment and Sta equipment when transmitting data, in order to avoid resource contention,
Interference is generated, other wlan devices do not allow to send signal, and require other wlan devices to have the initiative activation pattern at this time,
It will increase the power consumption of other wlan devices.
Summary of the invention
The technical issues of embodiment of the present invention solves is how to reduce the power consumption of wlan device.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of mode of wlan device pattern switching, the side
Method includes: the data packet for obtaining the interactive confirmation of other wlan devices and occupying WLAN channel；It is set based on other acquired WLAN
The confirmation of standby interaction occupies the data packet of WLAN channel, switches to battery saving mode, under the battery saving mode, the wlan device
Any signal is not sent and received.
Optionally, the battery saving mode when a length of data packet in the instruction of time cell duration, or be institute
State in data packet time cell instruction duration and preset first duration difference or the sum of.
Optionally, described preset first when a length of data packet in the instruction of time cell duration.
Optionally, it includes: MAC layer data that the confirmation of other wlan devices interaction, which occupies the data packet of WLAN channel,
Packet.
Optionally, the MAC layer data packet is CTS data packet.
Optionally, the cell in the data packet is the network allocation vector cell in the CTS data packet.
Optionally, the MAC layer data packet is Data data packet.
Optionally, the cell in the data packet is the duration cell in the header packet information of the Data data packet.
Optionally, it includes: physical layer data that the confirmation of other wlan devices interaction, which occupies the data packet of WLAN channel,
Packet.
Optionally, the cell in the data packet is the Length Indication letter in the header packet information of the physical layer data packet
Member.
Optionally, it includes: VHT NDP declaration that the confirmation of other wlan devices interaction, which occupies the data packet of WLAN channel,
Data packet.
Optionally, the time cell in the data packet is the network allocation vector in VHT NDP declaration data packet
Cell.
The embodiment of the present invention provides a kind of wlan device, including；Acquiring unit, suitable for obtaining the interaction of other wlan devices
Confirmation occupies the data packet of WLAN channel；Switch unit is occupied suitable for the confirmation based on acquired other wlan devices interaction
The data packet of WLAN channel, switches to battery saving mode, and under the battery saving mode, the wlan device does not send and receive any
Signal.
Optionally, the battery saving mode when a length of data packet in the instruction of time cell duration, or be institute
State in data packet time cell instruction duration and preset first duration difference or the sum of.
Optionally, described preset first when a length of data packet in the instruction of time cell duration.
Optionally, it includes: MAC layer data packet that the confirmation of other wlan devices interaction, which occupies the data of WLAN channel,.
Optionally, the MAC layer data packet is CTS data packet.
Optionally, the cell in the data packet is the network allocation vector cell in the CTS data packet.
Optionally, the MAC layer data packet is Data data packet.
Optionally, the cell in the data packet is the duration cell in the header packet information of the Data data packet.
Optionally, it includes: physical layer data that the confirmation of other wlan devices interaction, which occupies the data packet of WLAN channel,
Packet.
Optionally, the cell in the data packet is the Length Indication letter in the header packet information of the physical layer data packet
Member.
Optionally, it includes: VHT NDP data that the confirmation of other wlan devices interaction, which occupies the data packet of WLAN channel,
Packet.
Optionally, the time cell in the data packet is the network allocation vector cell in the VHT NDP data packet.
The embodiment of the present invention provides a kind of computer readable storage medium, is stored thereon with computer instruction, the calculating
The step of executing any of the above-described kind of the method when machine instruction operation.
The embodiment of the present invention provides a kind of wlan device, including memory and processor, and being stored on the memory can
The computer instruction run on the processor, the processor execute any of the above-described kind of institute when running the computer instruction
The step of stating method.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that
The embodiment of the present invention occupies the data packet of WLAN channel by obtaining the confirmation of other wlan devices interaction, and is based on
The confirmation of acquired other wlan devices interaction occupies the data packet of WLAN channel, switches to battery saving mode, can reduce
The power consumption of wlan device.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the method for wlan device pattern switching provided in an embodiment of the present invention；
Fig. 2 is a kind of schematic diagram of wlan device pattern switching provided in an embodiment of the present invention；
Fig. 3 is the schematic diagram of another wlan device pattern switching provided in an embodiment of the present invention；
Fig. 4 is the schematic diagram of another wlan device pattern switching provided in an embodiment of the present invention；
Fig. 5 is the schematic diagram of another wlan device pattern switching provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of wlan device provided in an embodiment of the present invention.
Specific embodiment
In practical applications, when between some AP equipment and Sta equipment when transmitting data, in order to avoid resource contention,
Interference is generated, other wlan devices do not allow to send signal, require other equipment to have the initiative activation pattern at this time, can increase
Add the power consumption of other wlan devices.
The embodiment of the present invention occupies the data packet of WLAN channel by obtaining the confirmation of other wlan devices interaction, and is based on
The confirmation of acquired other wlan devices interaction occupies the data packet of WLAN channel, switches to battery saving mode, can reduce
The power consumption of wlan device.
It is understandable to enable above-mentioned purpose of the invention, feature and beneficial effect to become apparent, with reference to the accompanying drawing to this
The specific embodiment of invention is described in detail.
Referring to Fig. 1, the embodiment of the present invention provides a kind of method of wlan device pattern switching, and the method may include such as
Lower step:
Step S101, the confirmation for obtaining the interaction of other wlan devices occupy the data packet of WLAN channel.
In specific implementation, when there is other wlan devices, carrying out data-bag interacting, (i.e. other wlan devices are sent
Data packet is to another other wlan device), and when the data packet of interaction needs to occupy the WLAN channel of certain time, in order to keep away
Exempt from resource contention, the wlan device does not allow to send signal in the certain time of data-bag interacting, can switch at this time
Battery saving mode reduces the power consumption of the wlan device.
In specific implementation, the wlan device can be AP equipment, or Sta equipment.
In specific implementation, it can be media that the confirmation of other wlan devices interaction, which occupies the data packet of WLAN channel,
Intervention control (Media Access Control, MAC) layer data packet.
In an embodiment of the present invention, the MAC layer data packet is clear to send (Clear To Send, CTS) data
Packet.
In an alternative embodiment of the invention, the MAC layer data packet can be Data data packet.
In specific implementation, other described wlan devices can be using request transmission/clear to send (Request To
Send/Clear To Send, RTS/CTS) agreement communicated, and transmitting terminal sends RTS data packet to receiving end, shows to send
End needs to send data to receiving end, and receiving end receives RTS data packet, sends CTS data packet to transmitting terminal, shows to prepare just
Thread, transmitting terminal can send data, and hereafter transmitting terminal sends Data data packet to receiving end.Wherein RTS data packet, CTS data
Include network allocation vector (Network Allocation Vector, NAV) cell in packet, is used to indicate the data interaction
Process needs to occupy the duration of WLAN channel, believes in the header packet information of Data data packet comprising duration (MAC Duration)
Member is used to indicate the duration that the Data data packet needs to occupy WLAN channel.
In specific implementation, it can also be object that the confirmation of other wlan devices interaction, which occupies the data packet of WLAN channel,
Layer data packet is managed, includes Length Indication (L-SIG) cell in the header packet information of the physical layer data packet, is used to indicate the object
Reason layer data packet needs to occupy the duration of WLAN channel.
In specific implementation, the data packet that the confirmation of other wlan devices interaction occupies WLAN channel can also wrap
It includes: the declaration of ultrahigh speed sky data pack protocol (Very High Throughput Null Data Protocol Announce,
VHT NDP Announce) data packet, when the data packet that the confirmation of other described wlan devices interaction occupies WLAN channel is VHT
When NDP Announce data packet, network allocation vector cell in the VHT NDP Announce data packet is used to indicate
VHT data transmit the duration for needing to occupy WLAN channel.
Step S102, the confirmation based on acquired other wlan devices interaction occupy the data packet of WLAN channel, switching
To battery saving mode, under the battery saving mode, the wlan device does not send and receive any signal.
In specific implementation, the duration of the battery saving mode can for the time cell instruction in the data packet when
It is long, or the duration of the time cell instruction in the data packet and the difference of preset first duration, can also be described
The sum of duration and preset first duration of time cell instruction in data packet.
In specific implementation, preset first duration can be the duration of configuration, or in the data packet
Time cell instruction duration.
In specific implementation, it after the confirmation for getting the interaction of other wlan devices occupies the data packet of WLAN channel, says
Other bright wlan devices need to send and receive data packet, occupy WLAN channel, can switch to battery saving mode at this time, not send
With any signal of reception to reduce power consumption.
In specific implementation, the confirmation of described other wlan devices interaction occupies the data packet of WLAN channel and may include:
MAC layer data packet, the MAC layer data packet can be CTS data packet, or Data data packet.When the MAC layer data
When packet is CTS data packet, the time cell in the data packet is the network allocation vector cell in the CTS data packet.When
When the MAC layer data packet is Data data packet, the time cell in the data packet is that the packet header of the Data data packet is believed
The duration cell for including in breath.In specific implementation, the confirmation of other wlan devices interaction occupies WLAN channel
Data packet can also include: physical layer data packet.When the confirmation of other described wlan devices interaction occupies the data of WLAN channel
When packet is physical layer data packet, the time cell in the data packet is the length in the header packet information of the physical layer data packet
Indication information element.
In specific implementation, the data packet that the confirmation of other wlan devices interaction occupies WLAN channel can also wrap
It includes: VHT NDP Announce data packet, when the data packet that the confirmation of other described wlan devices interaction occupies WLAN channel is
When VHT NDP Announce data packet, the time cell in the data packet is in the VHT NDP Announce data packet
Network allocation vector cell.
Using above scheme, the confirmation by obtaining the interaction of other wlan devices occupies the data packet of WLAN channel, and base
The data packet of WLAN channel is occupied in the confirmation of acquired other wlan devices interaction, battery saving mode is switched to, can reduce
The power consumption of wlan device.
To more fully understand those skilled in the art and implementing the present invention, the embodiment of the invention provides a kind of WLAN to set
The schematic diagram of standby pattern switching, as shown in Figure 2.
Referring to fig. 2, the wlan device pattern switching may include following process:
At the T21 moment, other wlan devices 1 send RTS data packet.
At the T22 moment, other wlan devices 2 feed back CTS data packet to other wlan devices 1, include in CTS data packet
NAV cell.
At the T23 moment, the wlan device receives the CTS data that other wlan devices 2 feed back to other wlan devices 1
Packet, using the method for above-mentioned wlan device pattern switching, the wlan device switches to battery saving mode, and the battery saving mode
The duration for the NAV cell instruction for including in Shi Changwei CTS data packet.
In T23 to T24 moment, other wlan devices 1 and other wlan devices 2 carry out Data data packet and feedback (ACK)
The interaction of data packet, the wlan device can save power consumption due to switching to battery saving mode.
To more fully understand those skilled in the art and implementing the present invention, the embodiment of the invention provides another WLAN
The schematic diagram of equipment mode switching, as shown in Figure 3.
Referring to Fig. 3, the wlan device pattern switching may include following process:
At the T31 moment, the header packet information that other wlan devices 1 are sent to the Data data packet of WLAN2 equipment 2 is got
(Header), using the method for above-mentioned wlan device pattern switching, the wlan device switches to battery saving mode, and the power saving
Mode when a length of Header in include the instruction of duration cell duration.
In T31 to T32 moment, other wlan devices 1 and other wlan devices 2 carry out Data data packet and ack msg packet
Interaction, the wlan device can save power consumption due to switching to battery saving mode.
To more fully understand those skilled in the art and implementing the present invention, the embodiment of the invention provides another WLAN
The schematic diagram of equipment mode switching, as shown in Figure 4.
Referring to fig. 4, the wlan device pattern switching may include following process:
At the T41 moment, the header packet information that other wlan devices 1 are sent to the physical layer data packet of WLAN2 equipment 2 is got
(Header), using the method for above-mentioned wlan device pattern switching, the wlan device switches to battery saving mode, and the power saving
Mode when a length of physical layer Header in include the instruction of L-SIG cell duration.
In T41 to T42 moment, the interaction of other wlan devices 1 and other wlan devices 2 progress data packet, the WLAN
Equipment can save power consumption due to switching to battery saving mode.
To more fully understand those skilled in the art and implementing the present invention, the embodiment of the invention provides another WLAN
The schematic diagram of equipment mode switching, as shown in Figure 5.
Referring to Fig. 5, the wlan device pattern switching may include following process:
At the T51 moment, the VHT NDP Announce data that other AP equipment 1 are sent to other site apparatus are got
Packet, using the method for above-mentioned wlan device pattern switching, the wlan device switches to battery saving mode, and the battery saving mode
The duration for the NAV cell instruction for including in Shi Changwei VHT NDP Announce data packet.
In T51 to T52 moment, the interaction of other AP equipment 1 and other site apparatus progress multi-user data packet is described
Wlan device can save power consumption due to switching to battery saving mode.
To more fully understand those skilled in the art and implementing the present invention, the embodiment of the invention provides it can be realized on
The corresponding WLAN of method of pattern switching is stated, as shown in Figure 6.
Referring to Fig. 6, the wlan device 60 includes: acquiring unit 61 and switch unit 62, in which:
The acquiring unit 61, the confirmation suitable for obtaining the interaction of other wlan devices occupy the data packet of WLAN channel.
The switch unit 62 occupies the number of WLAN channel suitable for the confirmation based on acquired other wlan devices interaction
According to packet, battery saving mode is switched to, under the battery saving mode, the wlan device does not send and receive any signal.
In specific implementation, the battery saving mode when a length of data packet in the instruction of time cell duration, or
Person be the data packet in time cell instruction duration and preset first duration difference or the sum of.
In an embodiment of the present invention, described preset first when a length of data packet in the instruction of time cell when
It is long.
In specific implementation, it includes: MAC layer number that the confirmation of other wlan devices interaction, which occupies the data of WLAN channel,
According to packet.
In an embodiment of the present invention, the MAC layer data packet is CTS data packet.
In an embodiment of the present invention, the time cell in the data packet is the network distribution in the CTS data packet
Vector cell.
In an embodiment of the present invention, the MAC layer data packet is Data data packet.
In an embodiment of the present invention, the time cell in the data packet is in the header packet information of the Data data packet
Duration cell.
In specific implementation, it includes: physics that the confirmation of other wlan devices interaction, which occupies the data packet of WLAN channel,
Layer data packet.
In an embodiment of the present invention, the time cell in the data packet is the header packet information of the physical layer data packet
In Length Indication cell.
In specific implementation, it includes: VHT that the confirmation of other wlan devices interaction, which occupies the data packet of WLAN channel,
NDP declares data packet.
In an embodiment of the present invention, the time cell in the data packet is that the VHT NDP declares in data packet
Network allocation vector cell.
In specific implementation, the workflow and principle of the wlan device 60 can be with reference to providing in above-described embodiment
Description in the method for pattern switching, details are not described herein again.
The embodiment of the present invention provides a kind of computer readable storage medium, is stored thereon with computer instruction, the calculating
Step corresponding to the method for any of the above-described kind of pattern switching is executed when machine instruction operation, details are not described herein again.
The embodiment of the present invention provides a kind of wlan device, including memory and processor, is stored with energy on the memory
Enough computer instructions run on the processor, the processor execute any of the above-described kind when running the computer instruction
Step corresponding to the method for the pattern switching, details are not described herein again.
Those of ordinary skill in the art will appreciate that all or part of the steps in the various methods of above-described embodiment is can
It is completed with instructing relevant hardware by program, which can be stored in a computer readable storage medium, storage
Medium may include: ROM, RAM, disk or CD etc..
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (26)
1. a kind of method of wlan device pattern switching, which is characterized in that including；
The confirmation for obtaining the interaction of other wlan devices occupies the data packet of WLAN channel；
Confirmation based on acquired other wlan devices interaction occupies the data packet of WLAN channel, switches to battery saving mode,
Under the battery saving mode, the wlan device does not send and receive any signal.
2. the method for wlan device pattern switching according to claim 1, which is characterized in that the duration of the battery saving mode
It for the duration of the time cell instruction in the data packet, or is the duration of the time cell instruction in the data packet and pre-
If the first duration difference or the sum of.
3. the method for wlan device pattern switching according to claim 2, which is characterized in that preset first duration
For the duration of the time cell instruction in the data packet.
4. the method for wlan device pattern switching according to claim 2 or 3, which is characterized in that other described WLAN are set
It includes: MAC layer data packet that the confirmation of standby interaction, which occupies the data packet of WLAN channel,.
5. the method for wlan device pattern switching according to claim 4, which is characterized in that the MAC layer data packet is
CTS data packet.
6. the method for wlan device pattern switching according to claim 5, which is characterized in that the time in the data packet
Cell is the network allocation vector cell in the CTS data packet.
7. the method for wlan device pattern switching according to claim 4, which is characterized in that the MAC layer data packet is
Data data packet.
8. the method for wlan device pattern switching according to claim 7, which is characterized in that the time in the data packet
Cell is the duration cell in the header packet information of the Data data packet.
9. the method for wlan device pattern switching according to claim 2 or 3, which is characterized in that other described WLAN are set
It includes: physical layer data packet that the confirmation of standby interaction, which occupies the data packet of WLAN channel,.
10. the method for wlan device pattern switching according to claim 9, which is characterized in that in the data packet when
Between cell be the physical layer data packet header packet information in Length Indication cell.
11. the method for wlan device pattern switching according to claim 2 or 3, which is characterized in that other described WLAN are set
The data packet that the confirmation of standby interaction occupies WLAN channel includes: VHT NDP declaration data packet.
12. the method for wlan device pattern switching according to claim 11, which is characterized in that in the data packet when
Between cell be the VHT NDP declare data packet in network allocation vector cell.
13. a kind of wlan device, which is characterized in that including；
Acquiring unit, the confirmation suitable for obtaining the interaction of other wlan devices occupy the data packet of WLAN channel；
Switch unit occupies the data packet of WLAN channel, switching suitable for the confirmation based on acquired other wlan devices interaction
To battery saving mode, under the battery saving mode, the wlan device does not send and receive any signal.
14. wlan device according to claim 13, which is characterized in that the when a length of data packet of the battery saving mode
In time cell instruction duration, or in the data packet time cell instruction duration and preset first duration
Difference or the sum of.
15. wlan device according to claim 14, which is characterized in that a length of data packet when described preset first
In time cell instruction duration.
16. wlan device according to claim 14 or 15, which is characterized in that the confirmation of other wlan devices interaction
The data for occupying WLAN channel include: MAC layer data packet.
17. wlan device according to claim 16, which is characterized in that the MAC layer data packet is CTS data packet.
18. wlan device according to claim 17, which is characterized in that the time cell in the data packet is described
Network allocation vector cell in CTS data packet.
19. wlan device according to claim 16, which is characterized in that the MAC layer data packet is Data data packet.
20. wlan device according to claim 19, which is characterized in that the time cell in the data packet is described
Duration cell in the header packet information of Data data packet.
21. wlan device according to claim 14 or 15, which is characterized in that the confirmation of other wlan devices interaction
The data packet for occupying WLAN channel includes: physical layer data packet.
22. wlan device according to claim 21, which is characterized in that the time cell in the data packet is the object
Manage the Length Indication cell in the header packet information of layer data packet.
23. wlan device according to claim 14 or 15, which is characterized in that the confirmation of other wlan devices interaction
The data packet for occupying WLAN channel includes: VHT NDP declaration data packet.
24. wlan device according to claim 23, which is characterized in that the time cell in the data packet is described
VHT NDP declares the network allocation vector cell in data packet.
25. a kind of computer readable storage medium, is stored thereon with computer instruction, which is characterized in that the computer instruction
Perform claim requires the step of any one of 1 to 12 the method when operation.
26. a kind of wlan device, including memory and processor, it is stored with and can runs on the processor on the memory
Computer instruction, which is characterized in that perform claim requires any in 1 to 12 when the processor runs the computer instruction
The step of item the method.
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| US20110222453A1 (en) * | 2010-03-09 | 2011-09-15 | Samsung Electronics Co. | Communication method of a transmission apparatus and a reception apparatus |
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