CN109121190A - 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 PDF

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Publication number
CN109121190A
CN109121190A CN201710496588.8A CN201710496588A CN109121190A CN 109121190 A CN109121190 A CN 109121190A CN 201710496588 A CN201710496588 A CN 201710496588A CN 109121190 A CN109121190 A CN 109121190A
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China
Prior art keywords
frame
message frame
site apparatus
wlan
temporal information
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CN201710496588.8A
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CN109121190B (en
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董贤东
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Meizu Technology Co Ltd
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Meizu Technology Co Ltd
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    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/12—WLAN [Wireless Local Area Networks]
    • 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

Abstract

The present invention provides a kind of communication means of WLAN and communication devices, wherein, the communication means of WLAN includes: to generate management message frame, managing message frame includes basic unit temporal information, the secondary communication interface that basic unit temporal information is used to identify site apparatus receives the cycle duration of wakeup message frame, wherein, quotient between cycle duration and the duration of basic unit temporal information is positive integer, wakeup message frame is used to wake up the principal communication interface of site apparatus, sends management message frame.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

Communication means, device, access point apparatus and the site apparatus of WLAN
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, receive the week of different type wakeup message frame How basic unit (Basic Unit) temporal information of time phase is transferred to site apparatus but there is no specific regulation, this is not Conducive to the power consumption for further reducing site apparatus and 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 management message frame, management message frame includes basic unit temporal information, and basic unit temporal information is used for The secondary communication interface for identifying site apparatus receives the cycle duration of wakeup message frame, wherein cycle duration and basic unit time Quotient between the duration of information is positive integer, and wakeup message frame is used to wake up the principal communication interface of site apparatus, sends management Message frame.
In the technical scheme, by generating and sending management message frame, site apparatus is indicated according to management message frame The secondary communication interface revival that cycle time controls suspend mode receives wakeup message frame, connects to wake up the principal communication of access point apparatus Mouthful, wherein the quotient between cycle duration and the duration of basic unit temporal information is that positive integer namely cycle duration are corresponding Code field is formed with multiple basic unit temporal informations, and then principal communication interface enters initial network entry with access point apparatus and connect Process 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 Cycle 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 quotient is the positive integer greater than 2.
In the technical scheme, it by setting quotient as the integer greater than 2, namely has preset the number of basic unit and has been greater than 2, for example, the number of basic unit can be 4, and when a length of 10 microsecond of each basic unit temporal information, then corresponding week A length of 40 microsecond when the phase, certain cycle duration further include basic delay compensation, and for example delay compensation is 50 microseconds.
In the above-mentioned technical solutions, it is preferable that management message frame further includes frame type field, the communication party of WLAN Method further include: when frame type field is the first value, it is unicast messages frame that instruction site apparatus, which receives wakeup message frame,；Frame class type-word When section is second value, it is multicast message frame that instruction site apparatus, which receives wakeup message frame,；When frame type field is third value, instruction It is broadcast message frame that site apparatus, which receives wakeup message frame,；Wherein, for the basic unit temporal information that unicast messages frame carries The basic unit temporal information that the number and broadcast message frame for the basic unit temporal information that number, multicast message frame carry carry Number is all different.
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 management message frame, and different types of cycle duration is arranged, Namely the number of the basic unit of different types of wakeup message frame is not identical, is conducive to the hair for further decreasing data collision It is raw.
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: after sending unicast messages frame, if detecting website The ACK frame of equipment feedback then confirms that site apparatus receives unicast messages frame.
In the technical scheme, by after sending unicast messages frame, if detecting the ACK frame of site apparatus feedback, Confirm that site apparatus receives unicast messages frame, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK Frame, and then reduce a possibility that data collision occurs.
In any of the above-described technical solution, it is preferable that generate management message frame, specifically include: in management message frame Write time stabs information, at the beginning of timestamp information is used to indicate site apparatus reception wakeup message frame, wherein timestamp Time interval at the time of information corresponds 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.
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 includes basic unit temporal information, wherein basic unit temporal information is for identifying website The secondary communication interface of equipment receives the cycle duration of wakeup message frame, wherein cycle duration and basic unit temporal information when Quotient between length is positive integer, 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 basic unit temporal information, root According to the cycle time of management message frame instruction (the corresponding code field of cycle duration is formed with multiple basic unit temporal informations) Controlling time communication interface reception wakeup message frame, (secondary communication interface does not enter dormant state and supports to receive wakeup message always Frame), to wake up the principal communication interface of access point apparatus, wherein between cycle duration and the duration of basic unit temporal information Quotient be positive integer, and then principal communication interface enters initial network entry connection procedure with access point apparatus or data frame interacted Journey, 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 Cycle 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: parsing management message frame is to obtain frame type field； When detecting frame type field is the first value, determine that wakeup message frame is unicast messages frame, and feeding back ACK frame；It is detecting When frame type field is second value, determine that wakeup message frame is multicast message frame, when detecting frame type field is third value, Determine that wakeup message frame is broadcast message frame, wherein the number for the basic unit temporal information that unicast messages frame carries, multicast disappear The number for the basic unit temporal information that the number and broadcast message frame for ceasing the basic unit temporal information that frame carries carry is not It is identical.
In the technical scheme, the numerical value encoded by parsing frame type field, and it is accurately true according to frame type field Surely management message frame is unicast frame, multicast frame or broadcast frame, and different types of cycle duration namely different types of is arranged The number of the basic unit of wakeup message frame is not identical, is 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 further include: parsing management message frame stabs information with acquisition time； It is 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.
According to the third aspect of the invention we, it is also proposed that a kind of communication device of WLAN, comprising: communication unit, Message frame is managed for generating, management message frame includes basic unit temporal information, and basic unit temporal information is used for beacon station The secondary communication interface of point device receives the cycle duration of wakeup message frame, wherein cycle duration and basic unit temporal information Quotient between duration is positive integer, and wakeup message frame is used to wake up the principal communication interface of site apparatus；Communication unit is also used to: Send management message frame.
In the technical scheme, by generating and sending management message frame, site apparatus is indicated according to management message frame The secondary communication interface revival that cycle time controls suspend mode receives wakeup message frame, connects to wake up the principal communication of access point apparatus Mouthful, wherein the quotient between cycle duration and the duration of basic unit temporal information is that positive integer namely cycle duration are corresponding Code field is formed with multiple basic unit temporal informations, and then principal communication interface enters initial network entry with access point apparatus and connect Process 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 Cycle 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 quotient is the positive integer greater than 2.
In the technical scheme, it by setting quotient as the integer greater than 2, namely has preset the number of basic unit and has been greater than 2, for example, the number of basic unit can be 4, and when a length of 10 microsecond of each basic unit temporal information, then corresponding week A length of 40 microsecond when the phase, certain cycle duration further include basic delay compensation, and for example delay compensation is 50 microseconds.
In any of the above-described technical solution, it is preferable that management message frame further includes frame type field, WLAN Communication device further include: indicating unit, for frame type field be the first value when, instruction site apparatus receive wakeup message frame be Unicast messages frame；Indicating unit is also used to: when frame type field is second value, it is group that instruction site apparatus, which receives wakeup message frame, Broadcast message frame, indicating unit is also used to: when frame type field is third value, it is broadcast that instruction site apparatus, which receives wakeup message frame, Message frame, wherein when the basic unit that the number for the basic unit temporal information that unicast messages frame carries, multicast message frame carry Between information number and the number of basic unit temporal information that carries of broadcast message frame be all different.
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 management message frame, and different types of cycle duration is arranged, Namely the number of the basic unit of different types of wakeup message frame is not identical, is conducive to the hair for further decreasing data collision It is raw.
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 communication unit is also used to: after sending unicast messages frame, if inspection The ACK frame for measuring site apparatus feedback then confirms that site apparatus receives unicast messages frame.
In the technical scheme, by after sending unicast messages frame, if detecting the ACK frame of site apparatus feedback, Confirm that site apparatus receives unicast messages frame, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK Frame, and then reduce a possibility that data collision occurs.
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 includes basic unit temporal information, wherein basic unit time letter Cease for identify site apparatus secondary communication interface receive wakeup message frame cycle duration, wherein cycle duration with substantially singly Quotient between the duration of elementary time information is positive integer, 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 basic unit temporal information, root According to the cycle time of management message frame instruction (the corresponding code field of cycle duration is formed with multiple basic unit temporal informations) Controlling time communication interface reception wakeup message frame, (secondary communication interface does not enter dormant state and supports to receive wakeup message always Frame), to wake up the principal communication interface of access point apparatus, wherein between cycle duration and the duration of basic unit temporal information Quotient be positive integer, and then principal communication interface enters initial network entry connection procedure with access point apparatus or data frame interacted Journey, 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 Cycle 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, further includes: the first resolution unit, for parsing management message frame with getting frame Type field；First determination unit, for determining that wakeup message frame disappears for unicast when detecting frame type field is the first value Cease frame, and feeding back ACK frame；First determination unit is also used to: when detecting frame type field is second value, determining wakeup message Frame is multicast message frame；First determination unit is also used to: when detecting frame type field is third value, determining wakeup message frame For broadcast message frame, wherein the number for the basic unit temporal information that unicast messages frame carries, multicast message frame carry basic The number for the basic unit temporal information that the number and broadcast message frame of unit temporal information carry is all different.
In the technical scheme, the numerical value encoded by parsing frame type field, and it is accurately true according to frame type field Surely management message frame is unicast frame, multicast frame or broadcast frame, and different types of cycle duration namely different types of is arranged The number of the basic unit of wakeup message frame is not identical, is 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 further include: the second resolution unit, for parsing management message frame Information is stabbed with acquisition 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 letter Mark frame is equivalent to WUR Beacon frame, and above-mentioned beacon frame is the Beacon frame of broadcast, and above-mentioned probing response frame, that is, initial network entry connects Enter 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 Wakeup message frame is received according to the secondary communication interface revival of the cycle time control suspend mode of management message frame instruction, to wake up access The principal communication interface of point device, also, the quotient being explicitly indicated between cycle duration and the duration of basic unit temporal information It is formed for positive integer namely the corresponding code field of cycle duration with multiple basic unit temporal informations, and then principal communication interface Enter initial network entry connection procedure or data frame interactive process with access point apparatus, 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 management message frame, and management message frame includes basic unit temporal information, and basic unit temporal information is used for beacon station The secondary communication interface of point device receives the cycle duration of wakeup message frame, wherein cycle duration and basic unit temporal information Quotient between duration is positive integer, and wakeup message frame is used to wake up the principal communication interface of site apparatus；Step S104, sending tube Manage message frame.
In the technical scheme, by generating and sending management message frame, site apparatus is indicated according to management message frame The secondary communication interface revival that cycle time controls suspend mode receives wakeup message frame, connects to wake up the principal communication of access point apparatus Mouthful, wherein the quotient between cycle duration and the duration of basic unit temporal information is that positive integer namely cycle duration are corresponding Code field is formed with multiple basic unit temporal informations, and then principal communication interface enters initial network entry with access point apparatus and connect Process 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 Cycle 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 quotient is the positive integer greater than 2.
In the technical scheme, it by setting quotient as the integer greater than 2, namely has preset the number of basic unit and has been greater than 2, for example, the number of basic unit can be 4, and when a length of 10 microsecond of each basic unit temporal information, then corresponding week A length of 40 microsecond when the phase, certain cycle duration further include basic delay compensation, and for example delay compensation is 50 microseconds.
In the above-mentioned technical solutions, it is preferable that management message frame further includes frame type field, the communication party of WLAN Method further include: when frame type field is the first value, it is unicast messages frame that instruction site apparatus, which receives wakeup message frame,；Frame class type-word When section is second value, it is multicast message frame that instruction site apparatus, which receives wakeup message frame,；When frame type field is third value, instruction It is broadcast message frame that site apparatus, which receives wakeup message frame,；Wherein, for the basic unit temporal information that unicast messages frame carries The basic unit temporal information that the number and broadcast message frame for the basic unit temporal information that number, multicast message frame carry carry Number is all different.
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 management message frame, and different types of cycle duration is arranged, Namely the number of the basic unit of different types of wakeup message frame is not identical, is conducive to the hair for further decreasing data collision It is raw.
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 further include: after sending unicast messages frame, if detecting website The ACK frame of equipment feedback then confirms that site apparatus receives unicast messages frame.
In the technical scheme, by after sending unicast messages frame, if detecting the ACK frame of site apparatus feedback, Confirm that site apparatus receives unicast messages frame, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK Frame, and then reduce a possibility that data collision occurs.
In any of the above-described technical solution, it is preferable that generate management message frame, specifically include: in management message frame Write time stabs information, at the beginning of timestamp information is used to indicate site apparatus reception wakeup message frame, wherein timestamp Time interval at the time of information corresponds 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.
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 includes basic unit temporal information, wherein basic unit temporal information is used for The secondary communication interface for identifying site apparatus receives the cycle duration of wakeup message frame, wherein cycle duration and basic unit time Quotient between the duration of information is positive integer, 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 basic unit temporal information, root According to the cycle time of management message frame instruction (the corresponding code field of cycle duration is formed with multiple basic unit temporal informations) Controlling time communication interface reception wakeup message frame, (secondary communication interface does not enter dormant state and supports to receive wakeup message always Frame), to wake up the principal communication interface of access point apparatus, wherein between cycle duration and the duration of basic unit temporal information Quotient be positive integer, and then principal communication interface enters initial network entry connection procedure with access point apparatus or data frame interacted Journey, 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 Cycle 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 further include: parsing management message frame is to obtain frame type field； When detecting frame type field is the first value, determine that wakeup message frame is unicast messages frame, and feeding back ACK frame；It is detecting When frame type field is second value, determine that wakeup message frame is multicast message frame, when detecting frame type field is third value, Determine that wakeup message frame is broadcast message frame, wherein the number for the basic unit temporal information that unicast messages frame carries, multicast disappear The number for the basic unit temporal information that the number and broadcast message frame for ceasing the basic unit temporal information that frame carries carry is not It is identical.
In the technical scheme, the numerical value encoded by parsing frame type field, and it is accurately true according to frame type field Surely management message frame is unicast frame, multicast frame or broadcast frame, and different types of cycle duration namely different types of is arranged The number of the basic unit of wakeup message frame is not identical, is 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 further include: parsing management message frame stabs information with acquisition time； It is 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.
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 management message frame, management message frame includes basic unit temporal information, and basic unit temporal information is used The cycle duration of wakeup message frame is received in the secondary communication interface of mark site apparatus, wherein when cycle duration and basic unit Between information duration between quotient be positive integer, wakeup message frame is used to wake up the principal communication interface of site apparatus；Communication unit Member 302 is also used to: sending management message frame.
In the technical scheme, by generating and sending management message frame, site apparatus is indicated according to management message frame The secondary communication interface revival that cycle time controls suspend mode receives wakeup message frame, connects to wake up the principal communication of access point apparatus Mouthful, wherein the quotient between cycle duration and the duration of basic unit temporal information is that positive integer namely cycle duration are corresponding Code field is formed with multiple basic unit temporal informations, and then principal communication interface enters initial network entry with access point apparatus and connect Process 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 Cycle 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 quotient is the positive integer greater than 2.
In the technical scheme, it by setting quotient as the integer greater than 2, namely has preset the number of basic unit and has been greater than 2, for example, the number of basic unit can be 4, and when a length of 10 microsecond of each basic unit temporal information, then corresponding week A length of 40 microsecond when the phase, certain cycle duration further include basic delay compensation, and for example delay compensation is 50 microseconds.
In any of the above-described technical solution, it is preferable that management message frame further includes frame type field, WLAN Communication device further include: indicating unit 304, for frame type field be the first value when, instruction site apparatus receive wakeup message Frame is unicast messages frame；Indicating unit 304 is also used to: when frame type field is second value, instruction site apparatus, which receives to wake up, to disappear Breath frame is multicast message frame, and indicating unit 304 is also used to: when frame type field is third value, instruction site apparatus, which receives, to be waken up Message frame is broadcast message frame, wherein the number for the basic unit temporal information that unicast messages frame carries, multicast message frame carry Basic unit temporal information number and the number of basic unit temporal information that carries of broadcast message frame be all different.
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 management message frame, and different types of cycle duration is arranged, Namely the number of the basic unit of different types of wakeup message frame is not identical, is conducive to the hair for further decreasing data collision It is raw.
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 communication unit 302 is also used to: after sending unicast messages frame, if The ACK frame for detecting site apparatus feedback then confirms that site apparatus receives unicast messages frame.
In the technical scheme, by after sending unicast messages frame, if detecting the ACK frame of site apparatus feedback, Confirm that site apparatus receives unicast messages frame, if management message frame is broadcast frame or multicast frame, site apparatus not feeding back ACK Frame, and then reduce a possibility that data collision occurs.
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 includes basic unit temporal information, wherein the basic unit time Information be used for identify site apparatus secondary communication interface receive wakeup message frame cycle duration, wherein cycle duration with substantially Quotient between the duration of unit temporal information is positive integer, 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 basic unit temporal information, root According to the cycle time of management message frame instruction (the corresponding code field of cycle duration is formed with multiple basic unit temporal informations) Controlling time communication interface reception wakeup message frame, (secondary communication interface does not enter dormant state and supports to receive wakeup message always Frame), to wake up the principal communication interface of access point apparatus, wherein between cycle duration and the duration of basic unit temporal information Quotient be positive integer, and then principal communication interface enters initial network entry connection procedure with access point apparatus or data frame interacted Journey, 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 Cycle 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, further includes: the first resolution unit 404, for parsing management message frame to obtain Take frame type field；First determination unit 406, for determining wakeup message frame when detecting frame type field is the first value For unicast messages frame, and feeding back ACK frame；First determination unit 406 is also used to: when detecting frame type field is second value, Determine that wakeup message frame is multicast message frame；First determination unit 406 is also used to: detecting that frame type field is third value When, determine that wakeup message frame is broadcast message frame, wherein number, the group for the basic unit temporal information that unicast messages frame carries The number for the basic unit temporal information that the number and broadcast message frame for broadcasting the basic unit temporal information of message frame carrying carry It is all different.
In the technical scheme, the numerical value encoded by parsing frame type field, and it is accurately true according to frame type field Surely management message frame is unicast frame, multicast frame or broadcast frame, and different types of cycle duration namely different types of is arranged The number of the basic unit of wakeup message frame is not identical, is 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 further include: the second resolution unit 408, for parsing management message Frame stabs information with acquisition 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.
Fig. 5 shows the schematic block diagram of access point apparatus according to an embodiment of the invention.
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..
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 duration of wakeup message frame, and the corresponding code field of cycle duration is with multiple Basic unit temporal information composition, in addition, the quotient between cycle duration and the duration of basic unit temporal information is positive integer.
Specifically, Period as shown in Figure 8 includes the active period of wakeup message frame, is denoted as On duration parameter, Wherein, On duration parameter can be information word (information element, abbreviation IE) form, in addition, in Fig. 8 Period further includes start time, that is, receives the initial time of wakeup message frame, controls time communication interface 604 in start time and revives It wakes up to receive wakeup message frame, and secondary communication interface 604 wakes up principal communication interface 602 after receiving wakeup message frame, principal communication Interface 602 revive after to 500 feedback control frame of access point apparatus (such as ACK frame) in response, it is subsequent by principal communication interface 602 with Access point apparatus 500 executes initial network entry attended operation, 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, the secondary communication for the cycle time control suspend mode that site apparatus is indicated according to management message frame connects Mouthful revival receive wakeup message frame, to wake up the principal communication interface of access point apparatus, also, be explicitly indicated cycle duration with Quotient between the duration of basic unit temporal information is positive integer namely the corresponding code field of cycle duration with multiple basic Unit temporal information composition, and then principal communication interface enters initial network entry connection procedure with access point apparatus or data frame interacted Journey, 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 (20)

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 message frame is generated, the management message frame includes basic unit temporal information,
The secondary communication interface that the basic unit temporal information is used to identify site apparatus receives the cycle duration of wakeup message frame, Wherein, the quotient between the cycle duration and the duration of the basic unit temporal information is positive integer, the wakeup message Frame is used to wake up the principal communication interface of the site apparatus,
Send the management message frame.
2. the communication means of WLAN according to claim 1, which is characterized in that
The quotient is the positive integer greater than 2.
3. the communication means of WLAN according to claim 1, which is characterized in that the management message frame further includes Frame type field, the communication means of the WLAN 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 number for the basic unit temporal information that the unicast messages frame carries, the multicast message frame carry basic The number for the basic unit temporal information that the number of unit temporal information and the broadcast message frame carry is all different.
4. the communication means of WLAN according to claim 3, which is characterized in that further include:
After sending the unicast messages frame, if detecting the ACK frame of the site apparatus feedback, the site apparatus is confirmed Receive the unicast messages frame.
5. the communication means of WLAN according to any one of claim 1 to 4, which is characterized in that generate management Message frame specifically includes:
The write time stabs information in the management message frame, and the timestamp information is used to indicate the site apparatus and receives institute At the beginning of stating 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.
6. 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 message frame is received, the management message frame includes basic unit temporal information,
Wherein, the secondary communication interface that the basic unit temporal information is used to identify the site apparatus receives wakeup message frame Cycle duration, wherein the quotient between the cycle duration and the duration of the basic unit temporal information is positive integer, described Wakeup message frame is used to wake up the principal communication interface of the site apparatus.
7. the communication means of WLAN according to claim 6, which is characterized in that further include:
The management message frame is parsed to obtain frame type field；
When detecting the frame type field is the first value, determine that the wakeup message frame is unicast messages frame, and feeding back ACK 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 number for the basic unit temporal information that the unicast messages frame carries, the multicast message frame carry basic The number for the basic unit temporal information that the number of unit temporal information and the broadcast message frame carry is all different.
8. the communication means of WLAN according to claim 6 or 7, which is characterized in that further include:
It parses the management message frame and information is stabbed with acquisition 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.
9. according to claim 1 to the communication means of WLAN described in any one of 4,6 and 7, 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.
10. a kind of communication device of WLAN is suitable for access point apparatus, which is characterized in that the WLAN Communication device includes:
Communication unit, for generating management message frame, the management message frame includes basic unit temporal information,
The secondary communication interface that the basic unit temporal information is used to identify site apparatus receives the cycle duration of wakeup message frame, Wherein, the quotient between the cycle duration and the duration of the basic unit temporal information is positive integer, the wakeup message Frame is used to wake up the principal communication interface of the site apparatus；
The communication unit is also used to: sending the management message frame.
11. the communication device of WLAN according to claim 10, which is characterized in that
The quotient is the positive integer greater than 2.
12. the communication device of WLAN according to claim 11, which is characterized in that the management message frame also wraps Include frame type field, the communication device of the WLAN 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 number for the basic unit temporal information that the unicast messages frame carries, the multicast message frame carry basic The number for the basic unit temporal information that the number of unit temporal information and the broadcast message frame carry is all different.
13. the communication device of WLAN according to claim 12, which is characterized in that
The communication unit is also used to: after sending the unicast messages frame, if detecting the ACK of the site apparatus feedback Frame then confirms that the site apparatus receives the unicast messages frame.
14. the communication device of WLAN described in any one of 0 to 13 according to claim 1, which is characterized in that also wrap It includes:
Writing unit is used for write time stamp information, the timestamp information in the management message frame and is used to indicate described At the beginning of site apparatus 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.
15. 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 message frame, the management message frame includes basic unit temporal information,
Wherein, the secondary communication interface that the basic unit temporal information is used to identify the site apparatus receives wakeup message frame Cycle duration, wherein the quotient between the cycle duration and the duration of the basic unit temporal information is positive integer, described Wakeup message frame is used to wake up the principal communication interface of the site apparatus.
16. the communication device of WLAN according to claim 15, which is characterized in that further include:
First resolution unit, for parsing the management message frame to obtain frame type field；
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, and feeding back ACK 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 number for the basic unit temporal information that the unicast messages frame carries, the multicast message frame carry basic The number for the basic unit temporal information that the number of unit temporal information and the broadcast message frame carry is all different.
17. the communication device of WLAN according to claim 15 or 16, which is characterized in that further include:
Second resolution unit stabs information for parsing the management message frame with acquisition 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.
18. the communication means of WLAN described in any one of 0 to 13,15 and 16, feature exist according to claim 1 In,
The management message frame is that wake-up states request receiving frame, probing response frame, wake up one of beacon frame and beacon frame.
19. a kind of access point apparatus characterized by comprising
The communication device of WLAN as described in any one of claim 10 to 14.
20. a kind of site apparatus characterized by comprising
The communication device of WLAN as described in any one of claim 15 to 18.
CN201710496588.8A 2017-06-26 2017-06-26 Communication method and device of wireless local area network, access point equipment and site equipment Active CN109121190B (en)

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