CN109121191A - Communication means, device, access point apparatus and the site apparatus of WLAN - Google Patents
Communication means, device, access point apparatus and the site apparatus of WLAN Download PDFInfo
- Publication number
- CN109121191A CN109121191A CN201710497414.3A CN201710497414A CN109121191A CN 109121191 A CN109121191 A CN 109121191A CN 201710497414 A CN201710497414 A CN 201710497414A CN 109121191 A CN109121191 A CN 109121191A
- Authority
- CN
- China
- Prior art keywords
- frame
- message frame
- duration
- site apparatus
- wakeup message
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
-
- 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
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0248—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal dependent on the time of the day, e.g. according to expected transmission activity
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
- Small-Scale Networks (AREA)
Abstract
The present invention provides a kind of communication means of WLAN and communication devices, wherein, the communication means of WLAN includes: to generate and send management message frame, management message frame carries duration instruction information, wherein, the secondary communication interface that duration instruction information is used to indicate site apparatus receives the cycle time of wakeup message frame, and wakeup message frame is used to wake up the principal communication interface of site apparatus.According to the technical solution of the present invention, the cycle time of site apparatus response wake-up association is accurately and securely indicated, a possibility that data collision occurs and power consumption penalty is reduced, improves the availability of frequency spectrum and data throughout.
Description
Technical field
The present invention relates to technical field of communication network, communication means, one kind in particular to a kind of WLAN
The communication device of WLAN, a kind of access point apparatus and a kind of site apparatus.
Background technique
In July, 2016, IEEE (Institute of Electrical and Electronic Engineers, electricity
Gas and Electronic Engineering Association) 802.11 set up next-generation Wi-Fi (Wireless Fidelity, Wireless Fidelity) technology
Study group WUR (Wake up Receiver), i.e. IEEE (Institute of Electrical and Electronic
Engineers, Institute of Electrical and Electronics Engineers) 802.11ba, in terms of being mainly used in Internet of Things, in order to maximum to the greatest extent
The power consumption of equipment may be saved.
A kind of wakeup message (wake up) frame is defined in IEEE802.11ba standard, main purpose is for calling out
Wake up the principal communication interface of communication equipment, i.e. communication equipment passes through time communication interface and receives wake up frame, needed for power consumption it is little
In 1mw, power consumption needed for the principal communication interface in this way than directly waking up communication equipment is few very much, is conducive to communication equipment and saves function
Consumption.
Further, in order to enable communication equipment more power saving, defining next communication interface can also pass through suspend mode shape
State.
But for supporting to receive the site apparatus of wakeup message frame, the secondary communication interface reception of site apparatus is called out
But there is no specific regulation, this is unfavorable for further reducing site apparatus for the cycle time of awake message frame and frame type identification
With the power consumption of access point apparatus, there is also the hidden danger of data collision.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, it is an object of the present invention to provide a kind of communication means of WLAN.
It is another object of the present invention to provide a kind of communication devices of WLAN.
It is another object of the present invention to provide a kind of access point apparatus.
It is another object of the present invention to provide a kind of site apparatus.
To achieve the goals above, the technical solution of the first aspect of the present invention provides a kind of communication of WLAN
Method, comprising: generate and send management message frame, management message frame carries duration instruction information, wherein duration indicates information
The secondary communication interface for being used to indicate site apparatus receives the cycle time of wakeup message frame, and wakeup message frame is set for waking up website
Standby principal communication interface.
In the technical scheme, by generating and sending management message frame, site apparatus is indicated according to management message frame
Cycle time controls time communication interface revival and receives wakeup message frame, to wake up the principal communication interface of access point apparatus, in turn
Principal communication interface and access point apparatus enter initial network entry connection procedure or data frame interactive process, so that communication equipment is further
Save power consumption.
Wherein, due to site apparatus can according to management message frame in advance determine receive wakeup message frame at the beginning of and
Duration, then secondary communication interface can also enter suspend mode, and revival receives wakeup message frame before start time, favorably
In the power consumption for reducing site apparatus and access point apparatus simultaneously, the handling capacity of the availability of frequency spectrum and basic service set is improved.
In the above-mentioned technical solutions, it is preferable that duration indicates that information includes duration field and frame type field, duration field
Corresponding to cycle time.
In the technical scheme, indicate that information includes duration field and frame type field, duration field by coding duration
Corresponding to cycle time, on the one hand, site apparatus can determine that wakeup message frame is unicast frame (feedback according to frame type field
ACK frame acknowledgment receives), multicast frame or broadcast frame, on the other hand, site apparatus determines that time communication equipment receives according to duration field
The period of wakeup message frame, to guarantee that time communication interface receives wakeup message frame in time.
In the above-mentioned technical solutions, it is preferable that the communication means of WLAN further include: frame type field is the first value
When, it is unicast messages frame that instruction site apparatus, which receives wakeup message frame,；When frame type field is second value, instruction site apparatus is connect
Receipts wakeup message frame is multicast message frame, and when frame type field is third value, it is wide that instruction site apparatus, which receives wakeup message frame,
Broadcast message frame, wherein the duration field and broadcast message frame of duration field, the carrying of multicast message frame that unicast messages frame carries are taken
Any two duration fields in the duration field of band are not identical.In the technical scheme, by being encoded not for frame type field
Same numerical value, it is unicast frame, multicast frame or broadcast that instruction site apparatus, which accurately determines wakeup message frame according to frame type field,
Frame, and different types of duration field is set, be conducive to the generation for further decreasing data collision.
For example, a kind of coding mode of frame type field are as follows:
(1) the first bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is multicast frame；
(2) the first two bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is wide
Broadcast frame；
(3) first bit of the first character section of frame type field is " 0 ", then it represents that wakeup message frame is unicast
Frame.
Further, it is contemplated that the frequency of wakeup message frame and calling out for broadcast of STAs (i.e. site apparatus) reception multicast
Wake up message frame frequency be intended to it is lower than the frequency of the wakeup message frame of unicast, so week entrained by the wakeup message frame of unicast
Phase duration is shorter than the duration in the wakeup message frame of the wakeup message frame of broadcast and multicast；Separately in view of STAs receives broadcast
Wakeup message frame purpose may be for the time synchronization between communication equipment, so broadcast wakeup message frame in when
A length of longest.
In addition, site apparatus is usually fed back after being properly received above-mentioned unicast frame if management message frame is unicast frame
ACK frame is to access point apparatus, due to ACK frame inherently acknowledgement frame, it is therefore not necessary to again by access point apparatus feedback acknowledgment, then
Such as, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK frame.
Wherein, ACK only receives address (receive) and passive address (src) and serial number (sequence), because of transmission
End and receiving end are an entirety, and after transmission, other receiving ends (receiving terminal other than this transmitting terminal) all will not be again
Data (collision avoidance mechanism in wireless protocols) is sent, so recipient can send the ACK frame of a not no src to reception
End, and receiving end acknowledge receipt of an ACK frame (namely according to standard agreement, should be transmission unicast frame and to receive it corresponding
ACK frame regards the indivisible entirety an of atom as, indicates primary successfully communication).
In any of the above-described technical solution, it is preferable that generate and send management message frame, specifically include: disappearing in management
Write time stamp information in frame is ceased, at the beginning of timestamp information is used to indicate site apparatus reception wakeup message frame, wherein
The time delay ginseng that the local that time interval at the time of timestamp information corresponds between start time corresponds to site apparatus prestores
Number.
In the technical scheme, by management message frame the write time stab information, site apparatus believes according to timestamp
At the beginning of breath and delay parameter determine reception wakeup message frame, for example, above-mentioned management message frame is beacon frame, delay parameter
It is 50 milliseconds, then site apparatus determines the control time after sending 50 milliseconds of beacon frame according to the timestamp information of management message frame
Communication interface receives wakeup message frame, improves the availability of frequency spectrum.
A kind of embodiment of second invention according to the present invention, it is also proposed that communication means of WLAN, comprising: connect
Closed tube manages message frame, and management message frame carries duration instruction information, wherein duration instruction information is used to indicate site apparatus
Secondary communication interface receives the cycle time of wakeup message frame, and wakeup message frame is used to wake up the principal communication interface of site apparatus.
In the technical scheme, message frame is managed by receiving, management message frame carries duration instruction information, according to pipe
The cycle time of reason message frame instruction control time communication interface receive wakeup message frame (secondary communication interface do not enter dormant state and
Always support to receive wakeup message frame), to wake up the principal communication interface of access point apparatus, and then principal communication interface and access point
Equipment enters initial network entry connection procedure or data frame interactive process, so that communication equipment further saves power consumption.
Wherein, due to site apparatus can according to management message frame in advance determine receive wakeup message frame at the beginning of and
Duration, then secondary communication interface can also enter suspend mode, and revival receives wakeup message frame before start time, favorably
In the power consumption for reducing site apparatus and access point apparatus simultaneously, the handling capacity of the availability of frequency spectrum and basic service set is improved.
In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: parsing management message
For frame to receive duration field and frame type field, duration field corresponds to cycle time；Detecting that frame type field is first
When value, determine that wakeup message frame is unicast messages frame；When detecting frame type field is second value, determine that wakeup message frame is
Multicast message frame determines that wakeup message frame is broadcast message frame, wherein unicast when detecting frame type field is third value
Appointing in the duration field of duration field, the duration field that multicast message frame carries and broadcast message frame carrying that message frame carries
Two duration fields are not identical.
In the technical scheme, the numerical value encoded by parsing frame type field, and it is accurately true according to frame type field
Determine wakeup message frame be unicast frame, multicast frame or broadcast frame, determine the corresponding duration field of every kind of management message frame, be conducive into
The generation of one step reduction data collision.
For example, a kind of coding mode of frame type field are as follows:
(1) the first bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is multicast frame；
(2) the first two bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is wide
Broadcast frame；
(3) first bit of the first character section of frame type field is " 0 ", then it represents that wakeup message frame is unicast
Frame.
Further, it is contemplated that the frequency of wakeup message frame and calling out for broadcast of STAs (i.e. site apparatus) reception multicast
Wake up message frame frequency be intended to it is lower than the frequency of the wakeup message frame of unicast, so week entrained by the wakeup message frame of unicast
Phase duration is shorter than the duration in the wakeup message frame of the wakeup message frame of broadcast and multicast；Separately in view of STAs receives broadcast
Wakeup message frame purpose may be for the time synchronization between communication equipment, so broadcast wakeup message frame in when
A length of longest.
In addition, site apparatus is usually fed back after being properly received above-mentioned unicast frame if management message frame is unicast frame
ACK frame is to access point apparatus, due to ACK frame inherently acknowledgement frame, it is therefore not necessary to again by access point apparatus feedback acknowledgment, then
Such as, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK frame.
Wherein, ACK only receives address (receive) and passive address (src) and serial number (sequence), because of transmission
End and receiving end are an entirety, and after transmission, other receiving ends (receiving terminal other than this transmitting terminal) all will not be again
Data (collision avoidance mechanism in wireless protocols) is sent, so recipient can send the ACK frame of a not no src to reception
End, and receiving end acknowledge receipt of an ACK frame (namely according to standard agreement, should be transmission unicast frame and to receive it corresponding
ACK frame regards the indivisible entirety an of atom as, indicates primary successfully communication).
In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: parsing management message
Frame stabs information with receiving time；The beginning for receiving wakeup message frame is determined according to timestamp information and the delay parameter being locally stored
Moment.
In the technical scheme, by the timestamp information being written in parsing management message frame, site apparatus is according to the time
It stabs information and delay parameter determines at the beginning of receiving wakeup message frame, for example, above-mentioned management message frame is beacon frame, time delay
Parameter is 50 milliseconds, then site apparatus is determined according to the timestamp information of management message frame and controlled after sending 50 milliseconds of beacon frame
It makes time communication interface and receives wakeup message frame.
In any of the above-described technical solution, it is preferable that management message frame is that wake-up states request receiving frame, probe response
Frame wakes up one of beacon frame and beacon frame.
In the technical scheme, above-mentioned wake-up states request receiving frame is equivalent to WUR Request frame, above-mentioned wake-up beacon
Frame is equivalent to WUR Beacon frame, and above-mentioned beacon frame is the Beacon frame of broadcast, above-mentioned probing response frame, that is, initial network entry access
The Probe Request frame of process.
According to the third aspect of the invention we, it is also proposed that a kind of communication device of WLAN, comprising: communication unit,
For generating and sending management message frame, management message frame carries duration instruction information, wherein duration instruction information is for referring to
Show that the secondary communication interface of site apparatus receives the cycle time of wakeup message frame, wakeup message frame is used to wake up the master of site apparatus
Communication interface.
In the technical scheme, by generating and sending management message frame, site apparatus is indicated according to management message frame
Cycle time controls time communication interface revival and receives wakeup message frame, to wake up the principal communication interface of access point apparatus, in turn
Principal communication interface and access point apparatus enter initial network entry connection procedure or data frame interactive process, so that communication equipment is further
Save power consumption.
Wherein, due to site apparatus can according to management message frame in advance determine receive wakeup message frame at the beginning of and
Duration, then secondary communication interface can also enter suspend mode, and revival receives wakeup message frame before start time, favorably
In the power consumption for reducing site apparatus and access point apparatus simultaneously, the handling capacity of the availability of frequency spectrum and basic service set is improved.
In any of the above-described technical solution, it is preferable that duration instruction information includes duration field and frame type field, when
Long field corresponds to cycle time.
In the technical scheme, indicate that information includes duration field and frame type field, duration field by coding duration
Corresponding to cycle time, on the one hand, site apparatus can determine that wakeup message frame is unicast frame (feedback according to frame type field
ACK frame acknowledgment receives), multicast frame or broadcast frame, on the other hand, site apparatus determines that time communication equipment receives according to duration field
The period of wakeup message frame, to guarantee that time communication interface receives wakeup message frame in time.
In any of the above-described technical solution, it is preferable that further include: indicating unit is the first value for frame type field
When, it is unicast messages frame that instruction site apparatus, which receives wakeup message frame,；Indicating unit is also used to: frame type field is second value
When, it is multicast message frame that instruction site apparatus, which receives wakeup message frame, and indicating unit is also used to: frame type field is third value
When, it is broadcast message frame that instruction site apparatus, which receives wakeup message frame, wherein duration field, the multicast of unicast messages frame carrying
Any two duration fields in duration field that the duration field and broadcast message frame that message frame carries carry are not identical.
In the technical scheme, by encoding different numerical value for frame type field, indicate site apparatus according to frame class
It is unicast frame, multicast frame or broadcast frame that type-word section, which accurately determines wakeup message frame, and different types of duration field is arranged,
Be conducive to further decrease the generation of data collision.
For example, a kind of coding mode of frame type field are as follows:
(1) the first bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is multicast frame；
(2) the first two bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is wide
Broadcast frame；
(3) first bit of the first character section of frame type field is " 0 ", then it represents that wakeup message frame is unicast
Frame.
Further, it is contemplated that the frequency of wakeup message frame and calling out for broadcast of STAs (i.e. site apparatus) reception multicast
Wake up message frame frequency be intended to it is lower than the frequency of the wakeup message frame of unicast, so week entrained by the wakeup message frame of unicast
Phase duration is shorter than the duration in the wakeup message frame of the wakeup message frame of broadcast and multicast；Separately in view of STAs receives broadcast
Wakeup message frame purpose may be for the time synchronization between communication equipment, so broadcast wakeup message frame in when
A length of longest.
In addition, site apparatus is usually fed back after being properly received above-mentioned unicast frame if management message frame is unicast frame
ACK frame is to access point apparatus, due to ACK frame inherently acknowledgement frame, it is therefore not necessary to again by access point apparatus feedback acknowledgment, then
Such as, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK frame.
Wherein, ACK only receives address (receive) and passive address (src) and serial number (sequence), because of transmission
End and receiving end are an entirety, and after transmission, other receiving ends (receiving terminal other than this transmitting terminal) all will not be again
Data (collision avoidance mechanism in wireless protocols) is sent, so recipient can send the ACK frame of a not no src to reception
End, and receiving end acknowledge receipt of an ACK frame (namely according to standard agreement, should be transmission unicast frame and to receive it corresponding
ACK frame regards the indivisible entirety an of atom as, indicates primary successfully communication).
In any of the above-described technical solution, it is preferable that further include: writing unit, for being written in management message frame
Timestamp information, at the beginning of timestamp information is used to indicate site apparatus reception wakeup message frame, wherein timestamp information
Time interval at the time of corresponding between start time corresponds to the delay parameter that the local of site apparatus prestores.
In the technical scheme, by management message frame the write time stab information, site apparatus believes according to timestamp
At the beginning of breath and delay parameter determine reception wakeup message frame, for example, above-mentioned management message frame is beacon frame, delay parameter
It is 50 milliseconds, then site apparatus determines the control time after sending 50 milliseconds of beacon frame according to the timestamp information of management message frame
Communication interface receives wakeup message frame, improves the availability of frequency spectrum.
Embodiment according to the fourth aspect of the invention, it is also proposed that a kind of communication device of WLAN, comprising: logical
Believe unit, for receiving management message frame, management message frame carries duration instruction information, wherein duration instruction information is used for
Indicate that the secondary communication interface of site apparatus receives the cycle time of wakeup message frame, wakeup message frame is for waking up site apparatus
Principal communication interface.
In the technical scheme, message frame is managed by receiving, management message frame carries duration instruction information, according to pipe
The cycle time of reason message frame instruction control time communication interface receive wakeup message frame (secondary communication interface do not enter dormant state and
Always support to receive wakeup message frame), to wake up the principal communication interface of access point apparatus, and then principal communication interface and access point
Equipment enters initial network entry connection procedure or data frame interactive process, so that communication equipment further saves power consumption.
Wherein, due to site apparatus can according to management message frame in advance determine receive wakeup message frame at the beginning of and
Duration, then secondary communication interface can also enter suspend mode, and revival receives wakeup message frame before start time, favorably
In the power consumption for reducing site apparatus and access point apparatus simultaneously, the handling capacity of the availability of frequency spectrum and basic service set is improved.
In any of the above-described technical solution, it is preferable that further include: the first resolution unit, for parsing management message frame
To receive duration field and frame type field, duration field corresponds to cycle time；First determination unit, for detecting frame
When type field is the first value, determine that wakeup message frame is unicast messages frame；First determination unit is also used to: detecting frame class
When type-word section is second value, determine that wakeup message frame is multicast message frame；First determination unit is also used to: detecting frame type
When field is third value, determine that wakeup message frame is broadcast message frame, wherein duration field, the multicast of unicast messages frame carrying
Any two duration fields in duration field that the duration field and broadcast message frame that message frame carries carry are not identical.
In the technical scheme, the numerical value encoded by parsing frame type field, and it is accurately true according to frame type field
Determine wakeup message frame be unicast frame, multicast frame or broadcast frame, determine the corresponding duration field of every kind of management message frame, be conducive into
The generation of one step reduction data collision.
For example, a kind of coding mode of frame type field are as follows:
(1) the first bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is multicast frame；
(2) the first two bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is wide
Broadcast frame；
(3) first bit of the first character section of frame type field is " 0 ", then it represents that wakeup message frame is unicast
Frame.
Further, it is contemplated that the frequency of wakeup message frame and calling out for broadcast of STAs (i.e. site apparatus) reception multicast
Wake up message frame frequency be intended to it is lower than the frequency of the wakeup message frame of unicast, so week entrained by the wakeup message frame of unicast
Phase duration is shorter than the duration in the wakeup message frame of the wakeup message frame of broadcast and multicast；Separately in view of STAs receives broadcast
Wakeup message frame purpose may be for the time synchronization between communication equipment, so broadcast wakeup message frame in when
A length of longest.
In addition, site apparatus is usually fed back after being properly received above-mentioned unicast frame if management message frame is unicast frame
ACK frame is to access point apparatus, due to ACK frame inherently acknowledgement frame, it is therefore not necessary to again by access point apparatus feedback acknowledgment, then
Such as, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK frame.
Wherein, ACK only receives address (receive) and passive address (src) and serial number (sequence), because of transmission
End and receiving end are an entirety, and after transmission, other receiving ends (receiving terminal other than this transmitting terminal) all will not be again
Data (collision avoidance mechanism in wireless protocols) is sent, so recipient can send the ACK frame of a not no src to reception
End, and receiving end acknowledge receipt of an ACK frame (namely according to standard agreement, should be transmission unicast frame and to receive it corresponding
ACK frame regards the indivisible entirety an of atom as, indicates primary successfully communication).
In any of the above-described technical solution, it is preferable that further include: the second resolution unit, for parsing management message frame
Information is stabbed with receiving time；Second determination unit is received for being determined according to timestamp information and the delay parameter being locally stored
At the beginning of wakeup message frame.
In the technical scheme, by the timestamp information being written in parsing management message frame, site apparatus is according to the time
It stabs information and delay parameter determines at the beginning of receiving wakeup message frame, for example, above-mentioned management message frame is beacon frame, time delay
Parameter is 50 milliseconds, then site apparatus is determined according to the timestamp information of management message frame and controlled after sending 50 milliseconds of beacon frame
It makes time communication interface and receives wakeup message frame.
In any of the above-described technical solution, it is preferable that management message frame is that wake-up states request receiving frame, probe response
Frame wakes up one of beacon frame and beacon frame.
In the technical scheme, above-mentioned wake-up states request receiving frame is equivalent to WUR Request frame, above-mentioned wake-up beacon
Frame is equivalent to WUR Beacon frame, and above-mentioned beacon frame is the Beacon frame of broadcast, above-mentioned probing response frame, that is, initial network entry access
The Probe Request frame of process.
According to the fifth aspect of the invention, it is also proposed that a kind of access point apparatus, including any of the above-described technical solution limit
The communication device of fixed WLAN.
According to the sixth aspect of the invention, it is also proposed that a kind of site apparatus, including any of the above-described technical solution limit
WLAN communication device.
By above technical scheme, access point apparatus generates and sends management message frame to site apparatus, site apparatus root
Time communication interface revival is controlled according to the cycle time of management message frame instruction and receives wakeup message frame, to wake up access point apparatus
Principal communication interface, and then principal communication interface and access point apparatus enter initial network entry connection procedure or data frame interactive process,
So that communication equipment further saves power consumption.
Detailed description of the invention
Fig. 1 shows the schematic flow diagram of the communication means of WLAN according to an embodiment of the invention；
Fig. 2 shows the schematic flow diagrams of the communication means of WLAN according to another embodiment of the invention；
Fig. 3 shows the schematic block diagram of the communication device of WLAN according to an embodiment of the invention；
Fig. 4 shows the schematic block diagram of the communication device of WLAN according to another embodiment of the invention；
Fig. 5 shows the schematic block diagram of access point apparatus according to an embodiment of the invention；
Fig. 6 shows the schematic block diagram of site apparatus according to an embodiment of the invention；
Fig. 7 shows the interaction schematic diagram of the communication plan of the WLAN of embodiment according to the present invention；
Fig. 8 shows the schematic diagram of the cycle time of the communication plan of the WLAN of embodiment according to the present invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be different from implementing in a manner of third party described herein using third party, therefore, protection scope of the present invention is not by following
The limitation of disclosed specific embodiment.
Fig. 1 shows the schematic flow diagram of the communication means of WLAN according to an embodiment of the invention.
The communication means of WLAN according to an embodiment of the invention as shown in figure 1, comprising: step
S102, generates and sends management message frame, and management message frame carries duration instruction information, wherein duration instruction information is used for
Indicate that the secondary communication interface of site apparatus receives the cycle time of wakeup message frame, wakeup message frame is for waking up site apparatus
Principal communication interface.
In the technical scheme, by generating and sending management message frame, site apparatus is indicated according to management message frame
Cycle time controls time communication interface revival and receives wakeup message frame, to wake up the principal communication interface of access point apparatus, in turn
Principal communication interface and access point apparatus enter initial network entry connection procedure or data frame interactive process, so that communication equipment is further
Save power consumption.
Wherein, due to site apparatus can according to management message frame in advance determine receive wakeup message frame at the beginning of and
Duration, then secondary communication interface can also enter suspend mode, and revival receives wakeup message frame before start time, favorably
In the power consumption for reducing site apparatus and access point apparatus simultaneously, the handling capacity of the availability of frequency spectrum and basic service set is improved.
In the above-mentioned technical solutions, it is preferable that duration indicates that information includes duration field and frame type field, duration field
Corresponding to cycle time.
In the technical scheme, indicate that information includes duration field and frame type field, duration field by coding duration
Corresponding to cycle time, on the one hand, site apparatus can determine that wakeup message frame is unicast frame (feedback according to frame type field
ACK frame acknowledgment receives), multicast frame or broadcast frame, on the other hand, site apparatus determines that time communication equipment receives according to duration field
The period of wakeup message frame, to guarantee that time communication interface receives wakeup message frame in time.
Wherein, principal communication interface, secondary communication interface can be antenna module, the two can be it is physically separate, can also be with
It is logically separate, and has the mutually independent duty cycle.
In the above-mentioned technical solutions, it is preferable that the communication means of WLAN further include: frame type field is the first value
When, it is unicast messages frame that instruction site apparatus, which receives wakeup message frame,；When frame type field is second value, instruction site apparatus is connect
Receipts wakeup message frame is multicast message frame, and when frame type field is third value, it is wide that instruction site apparatus, which receives wakeup message frame,
Broadcast message frame, wherein the duration field and broadcast message frame of duration field, the carrying of multicast message frame that unicast messages frame carries are taken
Any two duration fields in the duration field of band are not identical.
In the technical scheme, by encoding different numerical value for frame type field, indicate site apparatus according to frame class
It is unicast frame, multicast frame or broadcast frame that type-word section, which accurately determines wakeup message frame, and different types of duration field is arranged,
Be conducive to further decrease the generation of data collision.
For example, a kind of coding mode of frame type field are as follows:
(1) the first bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is multicast frame；
(2) the first two bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is wide
Broadcast frame；
(3) first bit of the first character section of frame type field is " 0 ", then it represents that wakeup message frame is unicast
Frame.
Further, it is contemplated that the frequency of wakeup message frame and calling out for broadcast of STAs (i.e. site apparatus) reception multicast
Wake up message frame frequency be intended to it is lower than the frequency of the wakeup message frame of unicast, so week entrained by the wakeup message frame of unicast
Phase duration is shorter than the duration in the wakeup message frame of the wakeup message frame of broadcast and multicast；Separately in view of STAs receives broadcast
Wakeup message frame purpose may be for the time synchronization between communication equipment, so broadcast wakeup message frame in when
A length of longest.
In addition, site apparatus is usually fed back after being properly received above-mentioned unicast frame if management message frame is unicast frame
ACK frame is to access point apparatus, due to ACK frame inherently acknowledgement frame, it is therefore not necessary to again by access point apparatus feedback acknowledgment, then
Such as, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK frame.
Wherein, ACK only receives address (receive) and passive address (src) and serial number (sequence), because of transmission
End and receiving end are an entirety, and after transmission, other receiving ends (receiving terminal other than this transmitting terminal) all will not be again
Data (collision avoidance mechanism in wireless protocols) is sent, so recipient can send the ACK frame of a not no src to reception
End, and receiving end acknowledge receipt of an ACK frame (namely according to standard agreement, should be transmission unicast frame and to receive it corresponding
ACK frame regards the indivisible entirety an of atom as, indicates primary successfully communication).
In addition, access point apparatus can be compatible with or be integrated in mobile phone with Wi-Fi communication module, tablet computer,
Music player, navigation device and router etc..
In any of the above-described technical solution, it is preferable that generate and send management message frame, specifically include: disappearing in management
Write time stamp information in frame is ceased, at the beginning of timestamp information is used to indicate site apparatus reception wakeup message frame, wherein
The time delay ginseng that the local that time interval at the time of timestamp information corresponds between start time corresponds to site apparatus prestores
Number.
In the technical scheme, by management message frame the write time stab information, site apparatus believes according to timestamp
At the beginning of breath and delay parameter determine reception wakeup message frame, for example, above-mentioned management message frame is beacon frame, delay parameter
It is 50 milliseconds, then site apparatus determines the control time after sending 50 milliseconds of beacon frame according to the timestamp information of management message frame
Communication interface receives wakeup message frame, improves the availability of frequency spectrum.
Fig. 2 shows the schematic diagrames of the communication means of WLAN according to another embodiment of the invention.
The communication means of WLAN according to an embodiment of the invention as shown in Figure 2, comprising: step
S202, receives management message frame, and management message frame carries duration instruction information, wherein duration instruction information is used to indicate station
The secondary communication interface of point device receives the cycle time of wakeup message frame, and wakeup message frame is used to wake up the principal communication of site apparatus
Interface.
In the technical scheme, message frame is managed by receiving, management message frame carries duration instruction information, according to pipe
The cycle time of reason message frame instruction control time communication interface receive wakeup message frame (secondary communication interface do not enter dormant state and
Always support to receive wakeup message frame), to wake up the principal communication interface of access point apparatus, and then principal communication interface and access point
Equipment enters initial network entry connection procedure or data frame interactive process, so that communication equipment further saves power consumption.
Wherein, due to site apparatus can according to management message frame in advance determine receive wakeup message frame at the beginning of and
Duration, then secondary communication interface can also enter suspend mode, and revival receives wakeup message frame before start time, favorably
In the power consumption for reducing site apparatus and access point apparatus simultaneously, the handling capacity of the availability of frequency spectrum and basic service set is improved.
Wherein, principal communication interface, secondary communication interface can be antenna module, the two can be it is physically separate, can also be with
It is logically separate, and has the mutually independent duty cycle.
In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: parsing management message
For frame to receive duration field and frame type field, duration field corresponds to cycle time；Detecting that frame type field is first
When value, determine that wakeup message frame is unicast messages frame；When detecting frame type field is second value, determine that wakeup message frame is
Multicast message frame determines that wakeup message frame is broadcast message frame, wherein unicast when detecting frame type field is third value
Appointing in the duration field of duration field, the duration field that multicast message frame carries and broadcast message frame carrying that message frame carries
Two duration fields are not identical.
In the technical scheme, the numerical value encoded by parsing frame type field, and it is accurately true according to frame type field
Determine wakeup message frame be unicast frame, multicast frame or broadcast frame, determine the corresponding duration field of every kind of management message frame, be conducive into
The generation of one step reduction data collision.
For example, a kind of coding mode of frame type field are as follows:
(1) the first bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is multicast frame；
(2) the first two bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is wide
Broadcast frame；
(3) first bit of the first character section of frame type field is " 0 ", then it represents that wakeup message frame is unicast
Frame.
Further, it is contemplated that the frequency of wakeup message frame and calling out for broadcast of STAs (i.e. site apparatus) reception multicast
Wake up message frame frequency be intended to it is lower than the frequency of the wakeup message frame of unicast, so week entrained by the wakeup message frame of unicast
Phase duration is shorter than the duration in the wakeup message frame of the wakeup message frame of broadcast and multicast；Separately in view of STAs receives broadcast
Wakeup message frame purpose may be for the time synchronization between communication equipment, so broadcast wakeup message frame in when
A length of longest.
In addition, site apparatus is usually fed back after being properly received above-mentioned unicast frame if management message frame is unicast frame
ACK frame is to access point apparatus, due to ACK frame inherently acknowledgement frame, it is therefore not necessary to again by access point apparatus feedback acknowledgment, then
Such as, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK frame.
Wherein, ACK only receives address (receive) and passive address (src) and serial number (sequence), because of transmission
End and receiving end are an entirety, and after transmission, other receiving ends (receiving terminal other than this transmitting terminal) all will not be again
Data (collision avoidance mechanism in wireless protocols) is sent, so recipient can send the ACK frame of a not no src to reception
End, and receiving end acknowledge receipt of an ACK frame (namely according to standard agreement, should be transmission unicast frame and to receive it corresponding
ACK frame regards the indivisible entirety an of atom as, indicates primary successfully communication).
In any of the above-described technical solution, it is preferable that the communication means of WLAN further include: parsing management message
Frame stabs information with receiving time；The beginning for receiving wakeup message frame is determined according to timestamp information and the delay parameter being locally stored
Moment.
In the technical scheme, by the timestamp information being written in parsing management message frame, site apparatus is according to the time
It stabs information and delay parameter determines at the beginning of receiving wakeup message frame, for example, above-mentioned management message frame is beacon frame, time delay
Parameter is 50 milliseconds, then site apparatus is determined according to the timestamp information of management message frame and controlled after sending 50 milliseconds of beacon frame
It makes time communication interface and receives wakeup message frame.
In any of the above-described technical solution, it is preferable that management message frame is that wake-up states request receiving frame, probe response
Frame wakes up one of beacon frame and beacon frame.
In the technical scheme, above-mentioned wake-up states request receiving frame is equivalent to WUR Request frame, above-mentioned wake-up beacon
Frame is equivalent to WUR Beacon frame, and above-mentioned beacon frame is the Beacon frame of broadcast, above-mentioned probing response frame, that is, initial network entry access
The Probe Request frame of process.
Fig. 3 shows the schematic block diagram of the communication device of WLAN according to an embodiment of the invention.
As Fig. 3 shows the communication device 300 of WLAN according to an embodiment of the invention, comprising: communication
Unit 302, for generating and sending management message frame, management message frame carries duration instruction information, wherein duration instruction letter
The secondary communication interface that breath is used to indicate site apparatus receives the cycle time of wakeup message frame, and wakeup message frame is for waking up website
The principal communication interface of equipment.
In the technical scheme, by generating and sending management message frame, site apparatus is indicated according to management message frame
Cycle time controls time communication interface revival and receives wakeup message frame, to wake up the principal communication interface of access point apparatus, in turn
Principal communication interface and access point apparatus enter initial network entry connection procedure or data frame interactive process, so that communication equipment is further
Save power consumption.
Wherein, due to site apparatus can according to management message frame in advance determine receive wakeup message frame at the beginning of and
Duration, then secondary communication interface can also enter suspend mode, and revival receives wakeup message frame before start time, favorably
In the power consumption for reducing site apparatus and access point apparatus simultaneously, the handling capacity of the availability of frequency spectrum and basic service set is improved.
In any of the above-described technical solution, it is preferable that duration instruction information includes duration field and frame type field, when
Long field corresponds to cycle time.
In the technical scheme, indicate that information includes duration field and frame type field, duration field by coding duration
Corresponding to cycle time, on the one hand, site apparatus can determine that wakeup message frame is unicast frame (feedback according to frame type field
ACK frame acknowledgment receives), multicast frame or broadcast frame, on the other hand, site apparatus determines that time communication equipment receives according to duration field
The period of wakeup message frame, to guarantee that time communication interface receives wakeup message frame in time.
In any of the above-described technical solution, it is preferable that further include: indicating unit 304 is first for frame type field
When value, it is unicast messages frame that instruction site apparatus, which receives wakeup message frame,；Indicating unit 304 is also used to: frame type field
When two-value, it is multicast message frame that instruction site apparatus, which receives wakeup message frame, and indicating unit 304 is also used to: frame type field is
When third value, it is broadcast message frame that instruction site apparatus, which receives wakeup message frame, wherein the when long word that unicast messages frame carries
Any two duration fields not phase in duration field that the duration field and broadcast message frame that section, multicast message frame carry carry
Together.
In the technical scheme, by encoding different numerical value for frame type field, indicate site apparatus according to frame class
It is unicast frame, multicast frame or broadcast frame that type-word section, which accurately determines wakeup message frame, and different types of duration field is arranged,
Be conducive to further decrease the generation of data collision.
For example, a kind of coding mode of frame type field are as follows:
(1) the first bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is multicast frame；
(2) the first two bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is wide
Broadcast frame；
(3) first bit of the first character section of frame type field is " 0 ", then it represents that wakeup message frame is unicast
Frame.
Further, it is contemplated that the frequency of wakeup message frame and calling out for broadcast of STAs (i.e. site apparatus) reception multicast
Wake up message frame frequency be intended to it is lower than the frequency of the wakeup message frame of unicast, so week entrained by the wakeup message frame of unicast
Phase duration is shorter than the duration in the wakeup message frame of the wakeup message frame of broadcast and multicast；Separately in view of STAs receives broadcast
Wakeup message frame purpose may be for the time synchronization between communication equipment, so broadcast wakeup message frame in when
A length of longest.
In addition, site apparatus is usually fed back after being properly received above-mentioned unicast frame if management message frame is unicast frame
ACK frame is to access point apparatus, due to ACK frame inherently acknowledgement frame, it is therefore not necessary to again by access point apparatus feedback acknowledgment, then
Such as, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK frame.
Wherein, ACK only receives address (receive) and passive address (src) and serial number (sequence), because of transmission
End and receiving end are an entirety, and after transmission, other receiving ends (receiving terminal other than this transmitting terminal) all will not be again
Data (collision avoidance mechanism in wireless protocols) is sent, so recipient can send the ACK frame of a not no src to reception
End, and receiving end acknowledge receipt of an ACK frame (namely according to standard agreement, should be transmission unicast frame and to receive it corresponding
ACK frame regards the indivisible entirety an of atom as, indicates primary successfully communication).
In any of the above-described technical solution, it is preferable that further include: writing unit 306, for being write in management message frame
Information is stabbed in the angle of incidence, at the beginning of timestamp information is used to indicate site apparatus reception wakeup message frame, wherein timestamp letter
Time interval at the time of breath is corresponding between start time corresponds to the delay parameter that the local of site apparatus prestores.
In the technical scheme, by management message frame the write time stab information, site apparatus believes according to timestamp
At the beginning of breath and delay parameter determine reception wakeup message frame, for example, above-mentioned management message frame is beacon frame, delay parameter
It is 50 milliseconds, then site apparatus determines the control time after sending 50 milliseconds of beacon frame according to the timestamp information of management message frame
Communication interface receives wakeup message frame, improves the availability of frequency spectrum.
It is worth it is emphasized that above-mentioned communication device 300 can be compatible with or be integrated in Wi-Fi communication module
The access point apparatus such as mobile phone, tablet computer, music player, navigation device and router, above-mentioned communication unit 302 can be
Above-mentioned communication device 300 can be antenna and carrier modulation block etc., and above-mentioned indicating unit 304 and above-mentioned writing unit 306 can
To be processor (CPU), controller (MCU), embedded microcontroller chip and the baseband processor etc. of above-mentioned communication device 300.
Fig. 4 shows the schematic block diagram of the communication device of WLAN according to another embodiment of the invention.
As Fig. 4 shows the communication device 400 of WLAN according to another embodiment of the invention, comprising: logical
Believe unit 402, for receiving management message frame, management message frame carries duration instruction information, wherein duration indicates that information is used
The cycle time of wakeup message frame is received in the secondary communication interface of instruction site apparatus, wakeup message frame is for waking up site apparatus
Principal communication interface.
In the technical scheme, message frame is managed by receiving, management message frame carries duration instruction information, according to pipe
The cycle time of reason message frame instruction control time communication interface receive wakeup message frame (secondary communication interface do not enter dormant state and
Always support to receive wakeup message frame), to wake up the principal communication interface of access point apparatus, and then principal communication interface and access point
Equipment enters initial network entry connection procedure or data frame interactive process, so that communication equipment further saves power consumption.
Wherein, due to site apparatus can according to management message frame in advance determine receive wakeup message frame at the beginning of and
Duration, then secondary communication interface can also enter suspend mode, and revival receives wakeup message frame before start time, favorably
In the power consumption for reducing site apparatus and access point apparatus simultaneously, the handling capacity of the availability of frequency spectrum and basic service set is improved.
In any of the above-described technical solution, it is preferable that further include: the first resolution unit 404, for parsing management message
For frame to receive duration field and frame type field, duration field corresponds to cycle time；First determination unit 406, for examining
Measure frame type field be the first value when, determine wakeup message frame be unicast messages frame；First determination unit 406 is also used to:
When detecting that frame type field is second value, determine that wakeup message frame is multicast message frame；First determination unit 406 is also used to:
When detecting frame type field is third value, determine that wakeup message frame is broadcast message frame, wherein what unicast messages frame carried
Any two duration fields in duration field that the duration field and broadcast message frame that duration field, multicast message frame carry carry
It is not identical.
In the technical scheme, the numerical value encoded by parsing frame type field, and it is accurately true according to frame type field
Determine wakeup message frame be unicast frame, multicast frame or broadcast frame, determine the corresponding duration field of every kind of management message frame, be conducive into
The generation of one step reduction data collision.
For example, a kind of coding mode of frame type field are as follows:
(1) the first bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is multicast frame；
(2) the first two bit of the first character section of frame type field is " 1 ", then it represents that wakeup message frame is wide
Broadcast frame；
(3) first bit of the first character section of frame type field is " 0 ", then it represents that wakeup message frame is unicast
Frame.
Further, it is contemplated that the frequency of wakeup message frame and calling out for broadcast of STAs (i.e. site apparatus) reception multicast
Wake up message frame frequency be intended to it is lower than the frequency of the wakeup message frame of unicast, so week entrained by the wakeup message frame of unicast
Phase duration is shorter than the duration in the wakeup message frame of the wakeup message frame of broadcast and multicast；Separately in view of STAs receives broadcast
Wakeup message frame purpose may be for the time synchronization between communication equipment, so broadcast wakeup message frame in when
A length of longest.
In addition, site apparatus is usually fed back after being properly received above-mentioned unicast frame if management message frame is unicast frame
ACK frame is to access point apparatus, due to ACK frame inherently acknowledgement frame, it is therefore not necessary to again by access point apparatus feedback acknowledgment, then
Such as, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK frame.
Wherein, ACK only receives address (receive) and passive address (src) and serial number (sequence), because of transmission
End and receiving end are an entirety, and after transmission, other receiving ends (receiving terminal other than this transmitting terminal) all will not be again
Data (collision avoidance mechanism in wireless protocols) is sent, so recipient can send the ACK frame of a not no src to reception
End, and receiving end acknowledge receipt of an ACK frame (namely according to standard agreement, should be transmission unicast frame and to receive it corresponding
ACK frame regards the indivisible entirety an of atom as, indicates primary successfully communication).
In any of the above-described technical solution, it is preferable that further include: the second resolution unit 408, for parsing management message
Frame stabs information with receiving time；Second determination unit 410, for being determined according to timestamp information and the delay parameter being locally stored
At the beginning of receiving wakeup message frame.
In the technical scheme, by the timestamp information being written in parsing management message frame, site apparatus is according to the time
It stabs information and delay parameter determines at the beginning of receiving wakeup message frame, for example, above-mentioned management message frame is beacon frame, time delay
Parameter is 50 milliseconds, then site apparatus is determined according to the timestamp information of management message frame and controlled after sending 50 milliseconds of beacon frame
It makes time communication interface and receives wakeup message frame.
In any of the above-described technical solution, it is preferable that management message frame is that wake-up states request receiving frame, probe response
Frame wakes up one of beacon frame and beacon frame.
In the technical scheme, above-mentioned wake-up states request receiving frame is equivalent to WUR Request frame, above-mentioned wake-up beacon
Frame is equivalent to WUR Beacon frame, and above-mentioned beacon frame is the Beacon frame of broadcast, above-mentioned probing response frame, that is, initial network entry access
The Probe Request frame of process.
It is worth it is emphasized that above-mentioned communication device 400 can be compatible with or be integrated in Wi-Fi communication module
The site apparatus such as mobile phone, tablet computer, music player, navigation device and router, above-mentioned communication unit 402 can be
Stating communication device 400 can be antenna and carrier modulation block etc., above-mentioned first resolution unit 404, the first determination unit 406,
Second resolution unit 408 and the second determination unit 410 can be processor (CPU), the controller of above-mentioned communication device 400
(MCU), embedded microcontroller chip and baseband processor etc..
Fig. 5 shows the schematic block diagram of access point apparatus according to an embodiment of the invention.
As Fig. 5 shows access point apparatus 500 according to another embodiment of the invention, including any of the above-described technology
The communication device 300 for the WLAN that scheme limits, therefore, the access point apparatus 500 have any of the above-described technical solution
Whole technical effects of the communication device 300 of the WLAN of restriction, details are not described herein.
Fig. 6 shows the schematic block diagram of site apparatus according to an embodiment of the invention.
As Fig. 6 shows site apparatus 600 according to another embodiment of the invention, including any of the above-described technical side
The communication device 400 for the WLAN that case limits, site apparatus 600 further include principal communication interface 602 and time communication interface
604, therefore, which has the complete of the communication device 400 of the WLAN of any of the above-described technical solution restriction
Portion's technical effect, details are not described herein.
Embodiment:
Below with reference to Fig. 5 to Fig. 8, the embodiment of the communication plan of WLAN according to the present invention is carried out specifically
It is bright.
Initial network entry connection is realized between access point apparatus 500 and site apparatus as shown in FIG. 6 600 as shown in Figure 5
Process is as shown in Figure 7.
Access point apparatus 500 sends message management frame to site apparatus 600, as shown in figure 8, message management frame indicates station
The secondary communication interface 604 of point device 600 receives the cycle time of wakeup message frame, and the Period in Fig. 8 includes wakeup message frame
Active period, be denoted as On duration parameter, wherein On duration parameter can be information word (information
Element, abbreviation IE) form, in addition, the Period in Fig. 8 further includes start time, that is, when receiving the starting of wakeup message frame
It carves, controls time revival of communication interface 604 in start time to receive wakeup message frame, and secondary communication interface 604 wakes up in reception
Principal communication interface 602 is waken up after message frame, to 500 feedback control frame (such as ACK of access point apparatus after the revival of principal communication interface 602
Frame) in response, it is subsequent that initial network entry attended operation is executed by principal communication interface 602 and access point apparatus 500, it specifically includes:
(1) access point apparatus 500 is broadcast periodically Beacon frame (i.e. beacon frame)；
(2) site apparatus 600 broadcasts Probe Request frame and reaches principal communication interface 602；
(3) access point apparatus 500 sends Probe Reponse frame to principal communication interface 602；
(4) principal communication interface 602 is to 500 feeding back ACK frame of access point apparatus, and sends Authentication Request
Frame (releases authentication request frame)；
(5) access point apparatus 500 is to 602 feeding back ACK frame of principal communication interface, and sends Authentication Reponse
Frame (releases authentication response frame)；
(6) principal communication interface 602 is to 500 feeding back ACK frame of access point apparatus, and sends Association Request frame
(association request frame)；
(7) access point apparatus 500 is to 602 feeding back ACK frame of principal communication interface, and sends Association Reponse frame
(association response frame)；
(8) access point apparatus 500 is to 600 feeding back ACK frame of site apparatus, to indicate site apparatus 600 and access point apparatus
Initial network entry connection procedure is completed between 500, starts to carry out being in communication with each other for data frame.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, it is contemplated that the function of the communication process of WLAN
Consumption problem and data collision problem, the invention proposes a kind of communication plan of WLAN, access point apparatus generates concurrent
Send management message frame to site apparatus, site apparatus controls time communication interface according to the cycle time that management message frame indicates and revives
Wakeup message frame is received, to wake up the principal communication interface of access point apparatus, and then principal communication interface and access point apparatus enter
Initial network entry connection procedure or data frame interactive process, so that communication equipment further saves power consumption.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (18)
1. a kind of communication means of WLAN is suitable for access point apparatus, which is characterized in that the WLAN leads to
Letter method includes:
Management frame is generated and sent, the management frame carries duration instruction information,
Wherein, when the secondary communication interface that the duration instruction information is used to indicate site apparatus receives the period of wakeup message frame
Between, the wakeup message frame is used to wake up the principal communication interface of the site apparatus.
2. the communication means of WLAN according to claim 1, which is characterized in that
The duration instruction information includes duration field and frame type field, and the duration field corresponds to the cycle time.
3. the communication means of WLAN according to claim 2, which is characterized in that further include:
When the frame type field is the first value, indicating that the site apparatus receives the wakeup message frame is unicast messages frame；
When the frame type field is second value, indicating that the site apparatus receives the wakeup message frame is multicast message frame；
When the frame type field is third value, indicating that the site apparatus receives the wakeup message frame is broadcast message frame；
Wherein, the duration field of the unicast messages frame carries duration field, multicast message frame carrying and the broadcast
Any two duration fields in duration field that message frame carries are not identical.
4. the communication means of WLAN according to any one of claim 1 to 3, which is characterized in that generate concurrent
Management frame is sent, is specifically included:
The write time stabs information in the management frame, and the timestamp information is used to indicate described in the site apparatus reception and calls out
At the beginning of awake message frame,
Wherein, the time interval at the time of timestamp information corresponds between the start time corresponds to the website and sets
The delay parameter that standby local prestores.
5. a kind of communication means of WLAN is suitable for site apparatus, which is characterized in that the communication of the WLAN
Method includes:
Management frame is received, the management frame carries duration instruction information,
Wherein, the secondary communication interface that the duration instruction information is used to indicate the site apparatus receives the period of wakeup message frame
Time, the wakeup message frame are used to wake up the principal communication interface of the site apparatus.
6. the communication means of WLAN according to claim 5, which is characterized in that further include:
The management frame is parsed to receive duration field and frame type field, the duration field corresponds to the cycle time；
When detecting the frame type field is the first value, determine that the wakeup message frame is unicast messages frame；
When detecting the frame type field is second value, determine that the wakeup message frame is multicast message frame；
When detecting the frame type field is third value, determine that the wakeup message frame is broadcast message frame；
Wherein, the duration field of the unicast messages frame carries duration field, multicast message frame carrying and the broadcast
Any two duration fields in duration field that message frame carries are not identical.
7. the communication means of WLAN according to claim 5 or 6, which is characterized in that further include:
It parses the management frame and information is stabbed with receiving time；
It is determined according to the timestamp information and the delay parameter being locally stored at the beginning of receiving the wakeup message frame.
8. according to claim 1 to the communication means of WLAN described in any one of 3,5 and 6, which is characterized in that
The management message frame is that wake-up states request receiving frame, probing response frame, wake up one of beacon frame and beacon frame.
9. a kind of communication device of WLAN is suitable for access point apparatus, which is characterized in that the WLAN leads to
T unit includes:
Communication unit, for generating and sending management frame, the management frame carries duration instruction information,
Wherein, when the secondary communication interface that the duration instruction information is used to indicate site apparatus receives the period of wakeup message frame
Between, the wakeup message frame is used to wake up the principal communication interface of the site apparatus.
10. the communication device of WLAN according to claim 9, which is characterized in that
The duration instruction information includes duration field and frame type field, and the duration field corresponds to the cycle time.
11. the communication device of WLAN according to claim 10, which is characterized in that further include:
When indicating unit for the frame type field is the first value, indicate that the site apparatus receives the wakeup message frame
For unicast messages frame；
The indicating unit is also used to: when the frame type field is second value, indicating that the site apparatus receives the wake-up
Message frame is multicast message frame；
The indicating unit is also used to: when the frame type field is third value, indicating that the site apparatus receives the wake-up
Message frame is broadcast message frame；
Wherein, the duration field of the unicast messages frame carries duration field, multicast message frame carrying and the broadcast
Any two duration fields in duration field that message frame carries are not identical.
12. the communication device of the WLAN according to any one of claim 9 to 11, which is characterized in that further include:
Writing unit is used for write time stamp information, the timestamp information in the management frame and is used to indicate the website
At the beginning of equipment receives the wakeup message frame,
Wherein, the time interval at the time of timestamp information corresponds between the start time corresponds to the website and sets
The delay parameter that standby local prestores.
13. a kind of communication device of WLAN is suitable for site apparatus, which is characterized in that the WLAN leads to
T unit includes:
Communication unit, for receiving management frame, the management frame carries duration instruction information,
Wherein, the secondary communication interface that the duration instruction information is used to indicate the site apparatus receives the period of wakeup message frame
Time, the wakeup message frame are used to wake up the principal communication interface of the site apparatus.
14. the communication device of WLAN according to claim 13, which is characterized in that further include:
First resolution unit, for parsing the management frame to receive duration field and frame type field, the duration field pair
Cycle time described in Ying Yu；
First determination unit, for when detecting the frame type field is the first value, determining that the wakeup message frame is single
Broadcast message frame；
First determination unit is also used to: when detecting the frame type field is second value, determining the wakeup message
Frame is multicast message frame；
First determination unit is also used to: when detecting the frame type field is third value, determining the wakeup message
Frame is broadcast message frame,
Wherein, the duration field of the unicast messages frame carries duration field, multicast message frame carrying and the broadcast
Any two duration fields in duration field that message frame carries are not identical.
15. the communication device of WLAN described in 3 or 14 according to claim 1, which is characterized in that further include:
Second resolution unit stabs information for parsing the management frame with receiving time；
Second determination unit, for determining that receiving the wake-up disappears according to the timestamp information and the delay parameter being locally stored
At the beginning of ceasing frame.
16. the communication means of the WLAN according to any one of claim 9 to 11,13 and 14, which is characterized in that
The management message frame is that wake-up states request receiving frame, probing response frame, wake up one of beacon frame and beacon frame.
17. a kind of access point apparatus characterized by comprising
The communication device of WLAN as described in any one of claim 9 to 12.
18. a kind of site apparatus characterized by comprising
The communication device of WLAN as described in any one of claim 13 to 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710497414.3A CN109121191B (en) | 2017-06-26 | 2017-06-26 | Communication method and device of wireless local area network, access point equipment and site equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710497414.3A CN109121191B (en) | 2017-06-26 | 2017-06-26 | Communication method and device of wireless local area network, access point equipment and site equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109121191A true CN109121191A (en) | 2019-01-01 |
| CN109121191B CN109121191B (en) | 2022-08-02 |
Family
ID=64822005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710497414.3A Active CN109121191B (en) | 2017-06-26 | 2017-06-26 | Communication method and device of wireless local area network, access point equipment and site equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109121191B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090232042A1 (en) * | 2008-03-12 | 2009-09-17 | Nokia Corporation | Wireless network including post groupcast time |
| US20140112229A1 (en) * | 2012-10-24 | 2014-04-24 | Qualcomm Incorporated | Method and apparatus using an ultra low power signal with scheduled power save modes |
| CN105794262A (en) * | 2014-01-06 | 2016-07-20 | 英特尔Ip公司 | Systems, methods and devices for multiple signal co-existence in multiple-use frequency spectrum |
| US20160219522A1 (en) * | 2015-01-28 | 2016-07-28 | Qualcomm Incorporated | Triggered target wake time operation |
| CN108541047A (en) * | 2017-03-03 | 2018-09-14 | 华为技术有限公司 | The indicating means and equipment of downlink service data |
-
2017
- 2017-06-26 CN CN201710497414.3A patent/CN109121191B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090232042A1 (en) * | 2008-03-12 | 2009-09-17 | Nokia Corporation | Wireless network including post groupcast time |
| US20140112229A1 (en) * | 2012-10-24 | 2014-04-24 | Qualcomm Incorporated | Method and apparatus using an ultra low power signal with scheduled power save modes |
| CN105794262A (en) * | 2014-01-06 | 2016-07-20 | 英特尔Ip公司 | Systems, methods and devices for multiple signal co-existence in multiple-use frequency spectrum |
| US20160219522A1 (en) * | 2015-01-28 | 2016-07-28 | Qualcomm Incorporated | Triggered target wake time operation |
| CN108541047A (en) * | 2017-03-03 | 2018-09-14 | 华为技术有限公司 | The indicating means and equipment of downlink service data |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109121191B (en) | 2022-08-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108541047B (en) | Indication method and device of downlink service data | |
| US8310968B2 (en) | Access point, wireless communication station, wireless communication system and wireless communication method | |
| CN107925964A (en) | With the power save mechanism in the WLAN largely to stand | |
| CN109309948B (en) | Communication method and device of wireless local area network, station equipment and access point equipment | |
| CN105916199A (en) | Systems, methods, and apparatus for a short beacon in low rate WI-FI communication | |
| CN101557330B (en) | Method, system and terminals supporting power saving mode | |
| US9641987B2 (en) | Multicast packet reception reliability over Wi-Fi | |
| WO2018077007A1 (en) | Frame transmission method, apparatus, and system | |
| CN109041179B (en) | Communication method, communication device and communication equipment of wireless local area network | |
| CN109548119B (en) | Communication method and device of wireless local area network, access point equipment and site equipment | |
| US9462463B2 (en) | Method of controlling states of mobile node and verifier therein for receiving secret key | |
| CN109548120A (en) | Communication means, device, site apparatus and the access point apparatus of WLAN | |
| CN108513341B (en) | Communication method, communication device and communication terminal of wireless local area network | |
| CN109309949A (en) | Communication means, device and the communication equipment of WLAN | |
| CN109121190A (en) | Communication means, device, access point apparatus and the site apparatus of WLAN | |
| JP2010081367A (en) | Radio communication system, radio communication terminal, radio communication base station, and radio communication method | |
| CN109429300B (en) | Communication method and device of wireless local area network, access point equipment and site equipment | |
| CN109121191A (en) | Communication means, device, access point apparatus and the site apparatus of WLAN | |
| CN108307416A (en) | A kind of internet-of-things terminal management method | |
| CN109548086B (en) | Communication method and device of wireless local area network, site equipment and access point equipment | |
| CN109699061B (en) | Communication method and communication device, access point equipment and station equipment | |
| CN109788534A (en) | Communication means and communication device, access point apparatus and site apparatus | |
| CN105142118A (en) | Rapid random access method of TD-LTE cluster system user | |
| CN100401702C (en) | Maintaining synchronization between a QoS access point and q0s stations in an ieee 802.11e wlan | |
| CN109547177B (en) | Communication method and device of wireless local area network, station equipment and access point equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |