CN109246729A - Communication means and communication device, access point apparatus, site apparatus - Google Patents
Communication means and communication device, access point apparatus, site apparatus Download PDFInfo
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- CN109246729A CN109246729A CN201710562106.4A CN201710562106A CN109246729A CN 109246729 A CN109246729 A CN 109246729A CN 201710562106 A CN201710562106 A CN 201710562106A CN 109246729 A CN109246729 A CN 109246729A
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- channel
- wakeup message
- message frame
- site apparatus
- frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/02—Arrangements for optimising operational condition
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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
- H04W52/0235—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a power saving command
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
-
- 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
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
-
- 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, access point apparatus and site apparatus, wherein the communication means of the WLAN for access point apparatus includes: to generate wakeup message frame；The secondary communication interface of the wakeup message frame to the site apparatus is sent in preset channel, wherein the preset channel is narrow band channel and its channel width is less than or equal to pre-set bandwidths；After the site apparatus wakes up its principal communication interface according to the wakeup message frame, the downlink data frame cached for the site apparatus is sent to the principal communication interface in the preset channel.According to the technical solution of the present invention, can be effectively avoided website principal communication interface be waken up after channel is accessed by way of competition, reduce the generation of channel occupancy conflict, to improve channel spectrum utilization rate, equipment power dissipation is saved indirectly, so that equipment more power saving, meets the needs of IEEE 802.11ba.
Description
Technical field
The present invention relates to field of communication technology, in particular to the communication means of WLAN, WLAN
Communication device, access point apparatus and site apparatus.
Background technique
In July, 2016, IEEE (Institute of Electrical and Electronics 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 802.11ba, in terms of being mainly used in Internet of Things, in order to the greatest extent
Maximum possible saves the power consumption of equipment, most importantly in order to make to receive wake-up frame (wakeup message frame, i.e. WUR message
Frame) equipment as much as possible save the power consumption of equipment, power consumption needed for wherein equipment receives wake-up frame is not more than 1mW.
As shown in Figure 1, being the frame format of wakeup message frame, any WUR frame physical layer protocol data unit (PPDU, PLCP
(Physical Layer Convergence Procedure) Protocol Data Unit) in all comprising 20MHz bandwidth
The lead code of non-high-throughput (non-HT, non-high-throughput), first half include: L-STF, L-LTF and
L-SIG field；Have after L-SIG field and before the narrow portion of WUR Frame Protocol data cell
The pitch interval of 312.5KHz, BPSK (Binary Phase Shift Keying, binary phase shift keying) and 4us continue
Time.
And in view of IEEE 802.11ba need to be compatible with IEEE 802.11ax, and use is arrived in IEEE 802.11ax
OFDMA (Orthogonal Frequency Division Multiple Access, orthogonal frequency division multiple access) mechanism, that is, exist
Son is carried out to channel using OFDM (Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexing)
After carrier wave, how the transmission mechanism of load transmission data, then improve the frequency spectrum in IEEE 802.11ba on portion subcarriers
Utilization rate, so that equipment power dissipation is saved indirectly, so that equipment more power saving, meets the needs of IEEE 802.11ba as urgently
The technical issues of solution.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, proposes a kind of communication party of new WLAN
Case, access point apparatus continue the lower line number for being sent to it caching on the narrow band channel for transferring wakeup message frame to site apparatus
According to frame, so can be effectively avoided site apparatus principal communication interface be waken up after channel is accessed by way of competition, subtract
The generation of small channel occupancy conflict saves equipment power dissipation to improve channel spectrum utilization rate indirectly, so that equipment is more
Power saving meets the needs of IEEE 802.11ba.
In view of this, according to the first aspect of the invention, a kind of communication means of WLAN is proposed, for accessing
Point device, the communication means of the WLAN include: to generate wakeup message frame；The wake-up is sent in preset channel to disappear
Cease secondary communication interface of frame to the site apparatus, wherein the preset channel for narrow band channel and its channel width be less than or
Equal to pre-set bandwidths；After the site apparatus wakes up its principal communication interface according to the wakeup message frame, in the default letter
The downlink data frame cached for the site apparatus is sent to the principal communication interface on road.
In the technical scheme, when in the preset channel of narrowband for being less than or equal to pre-set bandwidths in channel width to website
After the secondary communication interface transmission wakeup message frame of equipment wakes up its principal communication interface, in order to avoid the principal communication interface of site apparatus
Channel is accessed after being waken up by way of competition and receives access point apparatus for the downlink data frame of its caching, then in wakeup message
Send to the principal communication interface that is waken up of site apparatus that be that downlink data frame that it is cached can continue to use this pre- after frame
If channel is transmitted, to reduce the generation of channel occupancy conflict, channel spectrum utilization rate is improved, saves equipment function indirectly
Consumption, so that equipment more power saving, meets the needs of IEEE 802.11ba.
Wherein, the channel width of preset channel can be less than or equal to 20MHz.
In the above-mentioned technical solutions, it is preferable that the step of generation wakeup message frame specifically includes: disappearing in the wake-up
The leading part configuration channel bandwidth mark of frame is ceased, the predetermined bit position that the channel width mark occupies the leading part refers to
Show the channel width of the preset channel.
In the technical scheme, the function of the recipient station point device of wakeup message frame and downlink data frame is further contemplated
Consumption is less than or equal to 1mW, and less predetermined bit position can be configured in the leading part (Preamble) of the wakeup message frame
Channel width mark, to inform its received downlink data frame for its caching of site apparatus used channel money in transmission
Source, i.e., it is identical as the channel resource that its received wakeup message frame is used in transmission, so that channel spectrum is utilized effectively
Make equipment more power saving simultaneously, wherein predetermined bit position can preferably be two bits.
In any of the above-described technical solution, it is preferable that the wakeup message frame includes unicast wakeup message frame, multicast wake-up
Message frame and broadcast wakeup message frame.
In the technical scheme, wakeup message frame by different communication patterns carry out transmission form it is different types of
Frame specifically includes: realizing sender to the unicast wakeup message frame of the one-to-one communication pattern of recipient, realizes sender to connecing
The multicast wakeup message frame for the communication pattern that one-to-one group of debit realizes sender to a pair of all communication patterns of recipient
Broadcast wakeup message frame, so that making site apparatus that can receive wakeup message frame in many ways carries out calling out for its principal communication interface
It wakes up.
Further, the channel width for being used for transmission the narrowband of the preset channel of unicast wakeup message frame, which can be less than, to be used for
The channel width of the narrowband of the preset channel of transport multicast wakeup message frame or broadcast wakeup message frame, specifically, for example, being used for
The preset channel for transmitting unicast wakeup message frame, which can use, to be divided into the channel of 20MHz in the narrow band channel of 4 5MHz
One is transmitted, and the downlink data frame of further cache is transmitted using the narrow band channel of same 5MHz, it is possible to further
The channel number of narrow band channel used by being carried in the channel width mark of unicast wakeup message frame, in order to site apparatus
It is accurately received as the downlink data frame of its caching, and is used for transmission the pre- of multicast wakeup message frame or broadcast wakeup message frame
If channel can use the narrow band channel of 20MHz.
In the above scheme, the channel of 20MHz is such as divided into the narrow band channel of 4 5MHz, and wherein will be each numbered with
Different channel numbers is also sent to different site apparatus while sending unicast wakeup message frame by number, AP, in this way
The channel resource that its downlink data frame for receiving caching is understood convenient for site apparatus, is also convenient for compatible with IEEE802.11ax.
Simultaneously when multicast wakeup message frame or broadcast wakeup message frame use the channel resource of 20MHz, body section
Narrow band channel can be carried and number information corresponding with site apparatus, being also convenient for site apparatus in this way can be in the downlink for receiving caching
Data frame is simultaneously, compatible with IEEE802.11ax.
According to the second aspect of the invention, it is also proposed that a kind of communication device of WLAN is used for access point apparatus,
The communication device of the WLAN includes: generation module, for generating wakeup message frame；First sending module is used for
The secondary communication interface of the wakeup message frame that the generation module generates to the site apparatus is sent in preset channel,
In, the preset channel is narrow band channel and its channel width is less than or equal to pre-set bandwidths；Second sending module, for working as institute
It states after site apparatus wakes up its principal communication interface according to the wakeup message frame, will be set in the preset channel for the website
The downlink data frame of standby caching is sent to the principal communication interface.
In the technical scheme, when in the preset channel of narrowband for being less than or equal to pre-set bandwidths in channel width to website
After the secondary communication interface transmission wakeup message frame of equipment wakes up its principal communication interface, in order to avoid the principal communication interface of site apparatus
Channel is accessed after being waken up by way of competition and receives access point apparatus for the downlink data frame of its caching, then in wakeup message
Send to the principal communication interface that is waken up of site apparatus that be that downlink data frame that it is cached can continue to use this pre- after frame
If channel is transmitted, to reduce the generation of channel occupancy conflict, channel spectrum utilization rate is improved, saves equipment function indirectly
Consumption, so that equipment more power saving, meets the needs of IEEE 802.11ba.
Wherein, the channel width of preset channel can be less than or equal to 20MHz.
In the above-mentioned technical solutions, it is preferable that the generation module specifically includes: configuration submodule, for being called out described
The leading part configuration channel bandwidth mark of awake message frame, the channel width mark occupy the predetermined bit of the leading part
Position indicates the channel width of the preset channel.
In the technical scheme, the function of the recipient station point device of wakeup message frame and downlink data frame is further contemplated
Consumption is less than or equal to 1mW, and the channel width mark of less predetermined bit position can be configured in the leading part of the wakeup message frame
Know, to inform its received downlink data frame for its caching of site apparatus used channel resource in transmission, i.e., and its
The channel resource that received wakeup message frame is used in transmission is identical, makes to set while making channel spectrum be utilized effectively
Standby more power saving, wherein predetermined bit position can preferably be two bits.
In any of the above-described technical solution, it is preferable that the wakeup message frame includes unicast wakeup message frame, multicast wake-up
Message frame and broadcast wakeup message frame.
In the technical scheme, wakeup message frame by different communication patterns carry out transmission form it is different types of
Frame specifically includes: realizing sender to the unicast wakeup message frame of the one-to-one communication pattern of recipient, realizes sender to connecing
The multicast wakeup message frame for the communication pattern that one-to-one group of debit realizes sender to a pair of all communication patterns of recipient
Broadcast wakeup message frame, so that making site apparatus that can receive wakeup message frame in many ways carries out calling out for its principal communication interface
It wakes up.
Further, the channel width for being used for transmission the narrowband of the preset channel of unicast wakeup message frame, which can be less than, to be used for
The channel width of the narrowband of the preset channel of transport multicast wakeup message frame or broadcast wakeup message frame, specifically, for example, being used for
The preset channel for transmitting unicast wakeup message frame, which can use, to be divided into the channel of 20MHz in the narrow band channel of 4 5MHz
One is transmitted, and the downlink data frame of further cache is transmitted using the narrow band channel of same 5MHz, it is possible to further
The channel number of narrow band channel used by being carried in the channel width mark of unicast wakeup message frame, in order to site apparatus
It is accurately received as the downlink data frame of its caching, and is used for transmission the pre- of multicast wakeup message frame or broadcast wakeup message frame
If channel can use the narrow band channel of 20MHz.
In the above scheme, the channel of 20MHz is such as divided into the narrow band channel of 4 5MHz, and wherein will be each numbered with
Different channel numbers is also sent to different site apparatus while sending unicast wakeup message frame by number, AP, in this way
The channel resource that its downlink data frame for receiving caching is understood convenient for site apparatus, is also convenient for compatible with IEEE802.11ax.
Simultaneously when multicast wakeup message frame or broadcast wakeup message frame use the channel resource of 20MHz, body section
Narrow band channel can be carried and number information corresponding with site apparatus, being also convenient for site apparatus in this way can be in the downlink for receiving caching
Data frame is simultaneously, compatible with IEEE802.11ax.
According to the third aspect of the invention we, it is also proposed that a kind of access point apparatus, the technical side including above-mentioned second aspect
The communication device of the WLAN of any one of case, therefore, which has and the technical side of above-mentioned second aspect
The identical technical effect of the communication device of the WLAN of any one of case, details are not described herein.
According to the fourth aspect of the invention, it is also proposed that a kind of communication means of WLAN is used for site apparatus, institute
The communication means for stating WLAN includes: to receive access point apparatus in preset channel by the secondary communication interface of site apparatus
The wakeup message frame of transmission, wherein the preset channel is narrow band channel and its channel width is less than or equal to pre-set bandwidths；Root
The principal communication interface of the site apparatus is waken up according to the wakeup message frame；Pass through the principal communication interface described access point
Equipment sent in the preset channel be site apparatus caching downlink data frame.
In the technical scheme, when the secondary communication interface of site apparatus is less than or equal to the narrow of pre-set bandwidths in channel width
The wakeup message frame that receives in the preset channel of band and after having waken up its principal communication interface according to the wakeup message frame, the master is logical
Letter interface can continue to receive access point apparatus in the preset channel after the wakeup message frame as under site apparatus caching
Row data frame, avoid site apparatus principal communication interface be waken up after accessed by way of competition channel receive access point set
The standby downlink data frame for its caching improves channel spectrum utilization rate, indirectly so as to reduce the generation of channel occupancy conflict
Equipment power dissipation is saved, so that equipment more power saving, meets the needs of IEEE 802.11ba.
Wherein, the channel width of preset channel can be less than or equal to 20MHz.
In the above-mentioned technical solutions, it is preferable that after receiving the wakeup message frame and receive the downlink data
Before frame, the communication means of the WLAN further include: parse the leading part of the wakeup message frame, wherein wrapped with obtaining
The channel width mark contained, the predetermined bit position that the channel width mark occupies the leading part indicate the preset channel
Channel width.
In the technical scheme, it is contemplated that the power consumption of site apparatus is less than or equal to 1mW, in order to further decrease equipment function
Consumption, while guaranteeing accurately to receive access point apparatus on accordingly channel for the downlink data frame of its caching, can be with
The channel width indicated using less predetermined bit position for including in leading part by parsing wakeup message frame is identified, from
And know access point apparatus for its caching downlink data frame in transmission used channel resource, i.e., with its received wake-up
The channel resource that message frame is used in transmission is identical, while so that channel spectrum is utilized effectively equipment is more saved
Electricity, wherein predetermined bit position can preferably be two bits.
In any of the above-described technical solution, it is preferable that the wakeup message frame includes unicast wakeup message frame, multicast wake-up
Message frame and broadcast wakeup message frame.
In the technical scheme, wakeup message frame by different communication patterns carry out transmission form it is different types of
Frame specifically includes: realizing sender to the unicast wakeup message frame of the one-to-one communication pattern of recipient, realizes sender to connecing
The multicast wakeup message frame for the communication pattern that one-to-one group of debit realizes sender to a pair of all communication patterns of recipient
Broadcast wakeup message frame, so that making site apparatus that can receive wakeup message frame in many ways carries out calling out for its principal communication interface
It wakes up.
Further, the channel width for being used for transmission the narrowband of the preset channel of unicast wakeup message frame, which can be less than, to be used for
The channel width of the narrowband of the preset channel of transport multicast wakeup message frame or broadcast wakeup message frame, specifically, for example, being used for
The preset channel for transmitting unicast wakeup message frame, which can use, to be divided into the channel of 20MHz in the narrow band channel of 4 5MHz
One is transmitted, and using the downlink data frame of the narrow band channel of same 5MHz transmission further cache, further, in list
The channel number of narrow band channel used by can carrying in the channel width mark of wakeup message frame is broadcast, in order to site apparatus
It is accurately received as the downlink data frame of its caching, and is used for transmission the pre- of multicast wakeup message frame or broadcast wakeup message frame
If channel can use the narrow band channel of 20MHz, specifically the frame portion of the multicast wakeup message frame or broadcast wakeup message frame
Divide the information that can carry narrow band channel number corresponding with site apparatus.
In the above scheme, site apparatus can more easily understand its lower line number for receiving caching based on channel number
According to the channel resource of frame, while convenient for compatible with IEEE802.11ax.
According to the fifth aspect of the invention, it is also proposed that a kind of communication device of WLAN is used for site apparatus, institute
The communication device for stating WLAN includes: the first receiving module, for receiving access by the secondary communication interface of site apparatus
The wakeup message frame that point device is sent in preset channel, wherein the preset channel is narrow band channel and its channel width is small
In or equal to pre-set bandwidths；Wake-up module, for waking up institute according to the received wakeup message frame of first receiving module
State the principal communication interface of site apparatus；Second receiving module, for passing through the principal communication interface described access point equipment
Sent in the preset channel be site apparatus caching downlink data frame.
In the technical scheme, when the secondary communication interface of site apparatus is less than or equal to the narrow of pre-set bandwidths in channel width
The wakeup message frame that receives in the preset channel of band and after having waken up its principal communication interface according to the wakeup message frame, the master is logical
Letter interface can continue to receive access point apparatus in the preset channel after the wakeup message frame as under site apparatus caching
Row data frame, avoid site apparatus principal communication interface be waken up after accessed by way of competition channel receive access point set
The standby downlink data frame for its caching improves channel spectrum utilization rate, indirectly so as to reduce the generation of channel occupancy conflict
Equipment power dissipation is saved, so that equipment more power saving, meets the needs of IEEE 802.11ba.
Wherein, the channel width of preset channel can be less than or equal to 20MHz.
In the above-mentioned technical solutions, it is preferable that the communication device of the WLAN further include: parsing module is used for
After first receiving module receives the wakeup message frame and second receiving module receives the downlink data
Before frame, the leading part of the wakeup message frame is parsed, to obtain channel width mark wherein included, the channel width mark
The predetermined bit position for knowing the occupancy leading part indicates the channel width of the preset channel.
In the technical scheme, it is contemplated that the power consumption of site apparatus is less than or equal to 1mW, in order to further decrease equipment function
Consumption, while guaranteeing accurately to receive access point apparatus on accordingly channel for the downlink data frame of its caching, can be with
The channel width indicated using less predetermined bit position for including in leading part by parsing wakeup message frame is identified, from
And know access point apparatus for its caching downlink data frame in transmission used channel resource, i.e., with its received wake-up
The channel resource that message frame is used in transmission is identical, while so that channel spectrum is utilized effectively equipment is more saved
Electricity, wherein predetermined bit position can preferably be two bits.
In any of the above-described technical solution, it is preferable that the wakeup message frame includes unicast wakeup message frame, multicast wake-up
Message frame and broadcast wakeup message frame.
In the technical scheme, wakeup message frame by different communication patterns carry out transmission form it is different types of
Frame specifically includes: realizing sender to the unicast wakeup message frame of the one-to-one communication pattern of recipient, realizes sender to connecing
The multicast wakeup message frame for the communication pattern that one-to-one group of debit realizes sender to a pair of all communication patterns of recipient
Broadcast wakeup message frame, so that making site apparatus that can receive wakeup message frame in many ways carries out calling out for its principal communication interface
It wakes up.
Further, the channel width for being used for transmission the narrowband of the preset channel of unicast wakeup message frame, which can be less than, to be used for
The channel width of the narrowband of the preset channel of transport multicast wakeup message frame or broadcast wakeup message frame, specifically, for example, being used for
The preset channel for transmitting unicast wakeup message frame, which can use, to be divided into the channel of 20MHz in the narrow band channel of 4 5MHz
One is transmitted, and using the downlink data frame of the narrow band channel of same 5MHz transmission further cache, further, in list
The channel number of narrow band channel used by can carrying in the channel width mark of wakeup message frame is broadcast, in order to site apparatus
It is accurately received as the downlink data frame of its caching, and is used for transmission the pre- of multicast wakeup message frame or broadcast wakeup message frame
If channel can use the narrow band channel of 20MHz, specifically the frame portion of the multicast wakeup message frame or broadcast wakeup message frame
Divide the information that can carry narrow band channel number corresponding with site apparatus.
In the above scheme, site apparatus can more easily understand its lower line number for receiving caching based on channel number
According to the channel resource of frame, while convenient for compatible with IEEE802.11ax.
According to the sixth aspect of the invention, it is also proposed that a kind of site apparatus, the technical solution including above-mentioned 5th aspect
Any one of WLAN communication device, therefore, the site apparatus have and it is above-mentioned 5th aspect technical solution in
The identical technical effect of the communication device of the WLAN of any one, details are not described herein.
Above-mentioned technical proposal through the invention, access point apparatus is in the narrowband for transferring wakeup message frame to site apparatus
Continue the downlink data frame for being sent to it caching on channel, the principal communication interface that site apparatus so can be effectively avoided is called out
Channel is accessed after waking up by way of competition, reduces the generation of channel occupancy conflict, so that channel spectrum utilization rate is improved,
It connects and saves equipment power dissipation, so that equipment more power saving, meets the needs of IEEE 802.11ba.
Detailed description of the invention
Fig. 1 shows the frame format schematic diagram of wakeup message frame；
Fig. 2 shows the signals of the process of the communication means of the WLAN for access point apparatus of the embodiment of the present invention
Figure；
Fig. 3 shows the schematic block of the communication device of the WLAN for access point apparatus of the embodiment of the present invention
Figure；
Fig. 4 shows the schematic block diagram of the access point apparatus of the embodiment of the present invention；
Fig. 5 shows the process signal of the communication means of the WLAN for site apparatus of the embodiment of the present invention
Figure；
Fig. 6 shows the schematic block diagram of the communication device of the WLAN for site apparatus of the embodiment of the present invention；
Fig. 7 shows the schematic block diagram of the site apparatus of the embodiment of 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 implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 2 shows the signals of the process of the communication means of the WLAN for access point apparatus of the embodiment of the present invention
Figure.
As shown in Fig. 2, the communication means of the WLAN according to an embodiment of the present invention for access point apparatus, specifically
Including following below scheme step:
Step 202, wakeup message frame is generated.
Step 204, the secondary communication interface of the wakeup message frame to the site apparatus is sent in preset channel,
In, the preset channel is narrow band channel and its channel width is less than or equal to pre-set bandwidths.
It is understood that pre-set bandwidths can be taken as narrow band bandwidth 20MHz.
Step 206, after the site apparatus wakes up its principal communication interface according to the wakeup message frame, described default
The downlink data frame cached for the site apparatus is sent to the principal communication interface on channel.
In this embodiment, it sets when in the preset channel of narrowband for being less than or equal to pre-set bandwidths in channel width to website
After standby secondary communication interface transmission wakeup message frame wakes up its principal communication interface, in order to avoid the principal communication interface quilt of site apparatus
Channel is accessed after wake-up by way of competition and receives access point apparatus for the downlink data frame of its caching, then in wakeup message frame
Send that be that downlink data frame that it is cached can continue to use this default to the principal communication interface that is waken up of site apparatus afterwards
Channel is transmitted, to reduce the generation of channel occupancy conflict, is improved channel spectrum utilization rate, is saved equipment power dissipation indirectly,
So that equipment more power saving, meets the needs of IEEE 802.11ba.
Further, in the above-described embodiments, the step 202 can specifically include following steps:
It is identified in the leading part configuration channel bandwidth of the wakeup message frame, before the channel width mark occupancy is described
The predetermined bit position for leading part indicates the channel width of the preset channel.
In this embodiment, the power consumption of the recipient station point device of wakeup message frame and downlink data frame is further contemplated
Less than or equal to 1mW, the letter of less predetermined bit position can be configured in the leading part (Preamble) of the wakeup message frame
Road bandwidth mark, to inform its received downlink data frame for its caching of site apparatus used channel money in transmission
Source, i.e., it is identical as the channel resource that its received wakeup message frame is used in transmission, so that channel spectrum is utilized effectively
Make equipment more power saving simultaneously.
Wherein, predetermined bit position can preferably be two bits, for example: indicating 4MHz with " 00 ", is indicated with " 01 "
8MHz, and 20MHz is indicated with " 10 ".
Further, in the above-described embodiments, wakeup message frame transmit by different communication patterns and be formd not
The frame of same type, specifically includes: realizing that sender to the unicast wakeup message frame of the one-to-one communication pattern of recipient, realizes hair
The side of sending arrives the multicast wakeup message frame of one-to-one group of recipient of communication pattern, realizes that sender is led to recipient is a pair of all
The broadcast wakeup message frame of letter mode, so that making site apparatus that can receive wakeup message frame in many ways carries out its principal communication
The wake-up of interface.
Further, the channel width for being used for transmission the narrowband of the preset channel of unicast wakeup message frame, which can be less than, to be used for
The channel width of the narrowband of the preset channel of transport multicast wakeup message frame or broadcast wakeup message frame, specifically, for example, being used for
The preset channel for transmitting unicast wakeup message frame, which can use, to be divided into the channel of 20MHz in the narrow band channel of 4 5MHz
One is transmitted, and the downlink data frame of further cache is transmitted using the narrow band channel of same 5MHz, it is possible to further
The channel number of narrow band channel used by being carried in the channel width mark of unicast wakeup message frame, in order to site apparatus
It is accurately received as the downlink data frame of its caching, and is used for transmission the pre- of multicast wakeup message frame or broadcast wakeup message frame
If channel can use the narrow band channel of 20MHz.
In the above-described embodiments, the channel of 20MHz is such as divided into the narrow band channel of 4 5MHz, and will wherein each volume
Different channel numbers is also sent to different site apparatus while sending unicast wakeup message frame by upper number, AP, this
Sample understands the channel resource of its downlink data frame for receiving caching convenient for site apparatus, is also convenient for compatible with IEEE802.11ax.
Simultaneously when multicast wakeup message frame or broadcast wakeup message frame use the channel resource of 20MHz, body section
Narrow band channel can be carried and number information corresponding with site apparatus, for example, for example the AID1 of the corresponding STA of channel number 1, channel are compiled
The AID2 etc. of numbers 2 corresponding STA, be also convenient in this way site apparatus can the downlink data frame for receiving caching simultaneously, with
IEEE802.11ax is compatible.
Wherein, the executing subject of communication means shown in Fig. 2 can be the access in the network of access point and website composition
Point device, for example router or the server with Wi-Fi interface.
Fig. 3 shows the schematic block of the communication device of the WLAN for access point apparatus of the embodiment of the present invention
Figure.
As shown in figure 3, the communication device 30 of the WLAN according to an embodiment of the present invention for access point apparatus, packet
It includes: generation module 302, the first sending module 304 and the second sending module 306.
Wherein, the generation module 302 is for generating wakeup message frame；First sending module 304 is used for default
The wakeup message frame of the generation of generation module 302 is sent on channel to the secondary communication interface of the site apparatus, wherein
The preset channel is narrow band channel and its channel width is less than or equal to pre-set bandwidths；Second sending module 306 is used for
It will be the station in the preset channel after site apparatus wakes up its principal communication interface according to the wakeup message frame
The downlink data frame of point device caching is sent to the principal communication interface.
In this embodiment, it sets when in the preset channel of narrowband for being less than or equal to pre-set bandwidths in channel width to website
After standby secondary communication interface transmission wakeup message frame wakes up its principal communication interface, in order to avoid the principal communication interface quilt of site apparatus
Channel is accessed after wake-up by way of competition and receives access point apparatus for the downlink data frame of its caching, then in wakeup message frame
Send that be that downlink data frame that it is cached can continue to use this default to the principal communication interface that is waken up of site apparatus afterwards
Channel is transmitted, to reduce the generation of channel occupancy conflict, is improved channel spectrum utilization rate, is saved equipment power dissipation indirectly,
So that equipment more power saving, meets the needs of IEEE 802.11ba.
Wherein, the channel width of preset channel can be less than or equal to 20MHz.
Further, as shown in figure 3, in the above-described embodiments, the generation module 302 specifically includes: configuration submodule
3022, for the leading part configuration channel bandwidth mark in the wakeup message frame, described in the channel width mark occupancy
The predetermined bit position of leading part indicates the channel width of the preset channel.
In this embodiment, the power consumption of the recipient station point device of wakeup message frame and downlink data frame is further contemplated
Less than or equal to 1mW, the channel width mark of less predetermined bit position can be configured in the leading part of the wakeup message frame,
To inform its received downlink data frame for its caching of site apparatus used channel resource in transmission, i.e., received with it
Wakeup message frame in transmission the channel resource that uses it is identical, equipment is made while so that channel spectrum is utilized effectively more
Add power saving.
Wherein, predetermined bit position can preferably be two bits, for example: indicating 4MHz with " 00 ", is indicated with " 01 "
8MHz, and 20MHz is indicated with " 10 ".
Further, in the above-described embodiments, wakeup message frame transmit by different communication patterns and be formd not
The frame of same type, specifically includes: realizing that sender to the unicast wakeup message frame of the one-to-one communication pattern of recipient, realizes hair
The side of sending arrives the multicast wakeup message frame of one-to-one group of recipient of communication pattern, realizes that sender is led to recipient is a pair of all
The broadcast wakeup message frame of letter mode, so that making site apparatus that can receive wakeup message frame in many ways carries out its principal communication
The wake-up of interface.
Further, the channel width for being used for transmission the narrowband of the preset channel of unicast wakeup message frame, which can be less than, to be used for
The channel width of the narrowband of the preset channel of transport multicast wakeup message frame or broadcast wakeup message frame, specifically, for example, being used for
The preset channel for transmitting unicast wakeup message frame, which can use, to be divided into the channel of 20MHz in the narrow band channel of 4 5MHz
One is transmitted, and the downlink data frame of further cache is transmitted using the narrow band channel of same 5MHz, it is possible to further
The channel number of narrow band channel used by being carried in the channel width mark of unicast wakeup message frame, in order to site apparatus
It is accurately received as the downlink data frame of its caching, and is used for transmission the pre- of multicast wakeup message frame or broadcast wakeup message frame
If channel can use the narrow band channel of 20MHz.
In the above-described embodiments, the channel of 20MHz is such as divided into the narrow band channel of 4 5MHz, and will wherein each volume
Different channel numbers is also sent to different site apparatus while sending unicast wakeup message frame by upper number, AP, this
Sample understands the channel resource of its downlink data frame for receiving caching convenient for site apparatus, is also convenient for compatible with IEEE802.11ax.
Simultaneously when multicast wakeup message frame or broadcast wakeup message frame use the channel resource of 20MHz, body section
Narrow band channel can be carried and number information corresponding with site apparatus, for example, for example the AID1 of the corresponding STA of channel number 1, channel are compiled
The AID2 etc. of numbers 2 corresponding STA, be also convenient in this way site apparatus can the downlink data frame for receiving caching simultaneously, with
IEEE802.11ax is compatible.
In specific implementation, generation module 302 can be central processing unit or baseband processor etc.；First sending module
304 and second sending module 306 can be transmitter or antenna etc..
Fig. 4 shows the schematic block diagram of the access point apparatus of the embodiment of the present invention.
As shown in figure 4, access point apparatus 40 according to an embodiment of the present invention, including wireless local area described in above-described embodiment
The communication device 30 of net, therefore, the access point apparatus 40 have the communication device with WLAN described in above-described embodiment
30 identical technical effects, details are not described herein.
Fig. 5 shows the process signal of the communication means of the WLAN for site apparatus of the embodiment of the present invention
Figure.
As shown in figure 5, the communication means of the WLAN according to an embodiment of the present invention for site apparatus, specific to wrap
Include following below scheme step:
Step 502, the wake-up that access point apparatus is sent in preset channel is received by the secondary communication interface of site apparatus
Message frame, wherein the preset channel is narrow band channel and its channel width is less than or equal to pre-set bandwidths.
Step 504, the principal communication interface of the site apparatus is waken up according to the wakeup message frame.
Step 506, it is sent in the preset channel by the principal communication interface described access point equipment and is
The downlink data frame of the site apparatus caching.
In this embodiment, it is less than or equal to the narrowband of pre-set bandwidths in channel width when the secondary communication interface of site apparatus
Preset channel on the wakeup message frame that receives and after having waken up its principal communication interface according to the wakeup message frame, the principal communication
Interface can continue to receive access point apparatus in the preset channel after the wakeup message frame to be the downlink of site apparatus caching
Data frame, avoid site apparatus principal communication interface be waken up after accessed by way of competition channel receive access point apparatus
Channel spectrum utilization rate is improved, is saved indirectly so as to reduce the generation of channel occupancy conflict for the downlink data frame of its caching
Equipment power dissipation is saved, so that equipment more power saving, meets the needs of IEEE 802.11ba.
Wherein, the channel width of preset channel can be less than or equal to 20MHz.
Further, in the above-described embodiments, in step 502 receive after the wakeup message frame and step
Before the reception downlink data frame in 506, the communication means of the WLAN further include:
The leading part of the wakeup message frame is parsed, to obtain channel width mark wherein included, the channel strip
The predetermined bit position that width mark occupies the leading part indicates the channel width of the preset channel.
In this embodiment, it is contemplated that the power consumption of site apparatus is less than or equal to 1mW, in order to further decrease equipment function
Consumption, while guaranteeing accurately to receive access point apparatus on accordingly channel for the downlink data frame of its caching, can be with
The channel width indicated using less predetermined bit position for including in leading part by parsing wakeup message frame is identified, from
And know access point apparatus for its caching downlink data frame in transmission used channel resource, i.e., with its received wake-up
The channel resource that message frame is used in transmission is identical, while so that channel spectrum is utilized effectively equipment is more saved
Electricity.
Wherein, predetermined bit position can preferably be two bits, for example: indicating 4MHz with " 00 ", is indicated with " 01 "
8MHz, and 20MHz is indicated with " 10 ".
Further, in the above-described embodiments, wakeup message frame transmit by different communication patterns and be formd not
The frame of same type, specifically includes: realizing that sender to the unicast wakeup message frame of the one-to-one communication pattern of recipient, realizes hair
The side of sending arrives the multicast wakeup message frame of one-to-one group of recipient of communication pattern, realizes that sender is led to recipient is a pair of all
The broadcast wakeup message frame of letter mode, so that making site apparatus that can receive wakeup message frame in many ways carries out its principal communication
The wake-up of interface.
Further, the channel width for being used for transmission the narrowband of the preset channel of unicast wakeup message frame, which can be less than, to be used for
The channel width of the narrowband of the preset channel of transport multicast wakeup message frame or broadcast wakeup message frame, specifically, for example, being used for
The preset channel for transmitting unicast wakeup message frame, which can use, to be divided into the channel of 20MHz in the narrow band channel of 4 5MHz
One is transmitted, and using the downlink data frame of the narrow band channel of same 5MHz transmission further cache, further, in list
The channel number of narrow band channel used by can carrying in the channel width mark of wakeup message frame is broadcast, in order to site apparatus
It is accurately received as the downlink data frame of its caching, and is used for transmission the pre- of multicast wakeup message frame or broadcast wakeup message frame
If channel can use the narrow band channel of 20MHz, specifically the frame portion of the multicast wakeup message frame or broadcast wakeup message frame
Divide the information that can carry narrow band channel number corresponding with site apparatus.
In the above scheme, site apparatus can more easily understand its lower line number for receiving caching based on channel number
According to the channel resource of frame, while convenient for compatible with IEEE802.11ax.
Wherein, the executing subject of communication means shown in fig. 5 can be the website in the network of access point and website composition
Equipment, for example equipment such as smart phone or PDA (Personal Digital Assistant, palm PC).
Wherein, the interface that site apparatus receives wakeup message frame is next communication interface, and receives the mesh of wakeup message frame
Be exactly in order to wake up the principal communication interface of site apparatus, to be used to carry out communication to obtain access point apparatus as its caching
Downlink data frame, it may be physically separate, it is also possible to divide in logic that specifically primary and secondary communication interface, which can be antenna,
It opens.
Fig. 6 shows the schematic block diagram of the communication device of the WLAN for site apparatus of the embodiment of the present invention.
As shown in fig. 6, the communication device 60 of the WLAN according to an embodiment of the present invention for site apparatus, packet
It includes: the first receiving module 602, wake-up module 604 and the second receiving module 606.
Wherein, first receiving module 602 is used to receive access point apparatus by the secondary communication interface of site apparatus and exist
The wakeup message frame sent in preset channel, wherein the preset channel is narrow band channel and its channel width is less than or equal to
Pre-set bandwidths；The wake-up module 604 is used to wake up institute according to the received wakeup message frame of first receiving module 602
State the principal communication interface of site apparatus；Second receiving module 606 is used for by accessing described in the principal communication interface
Point device sent in the preset channel be site apparatus caching downlink data frame.
In this embodiment, it is less than or equal to the narrowband of pre-set bandwidths in channel width when the secondary communication interface of site apparatus
Preset channel on the wakeup message frame that receives and after having waken up its principal communication interface according to the wakeup message frame, the principal communication
Interface can continue to receive access point apparatus in the preset channel after the wakeup message frame to be the downlink of site apparatus caching
Data frame, avoid site apparatus principal communication interface be waken up after accessed by way of competition channel receive access point apparatus
Channel spectrum utilization rate is improved, is saved indirectly so as to reduce the generation of channel occupancy conflict for the downlink data frame of its caching
Equipment power dissipation is saved, so that equipment more power saving, meets the needs of IEEE 802.11ba.
Wherein, the channel width of preset channel can be less than or equal to 20MHz.
Further, as shown in fig. 6, in the above-described embodiments, the communication device 60 of the WLAN further include: solution
Analyse module 608, for after first receiving module 602 receives the wakeup message frame and it is described second receive mould
Before block 606 receives the downlink data frame, the leading part of the wakeup message frame is parsed, to obtain channel strip wherein included
Width mark, the predetermined bit position that the channel width mark occupies the leading part indicate the channel strip of the preset channel
It is wide.
In this embodiment, it is contemplated that the power consumption of site apparatus is less than or equal to 1mW, in order to further decrease equipment function
Consumption, while guaranteeing accurately to receive access point apparatus on accordingly channel for the downlink data frame of its caching, can be with
The channel width indicated using less predetermined bit position for including in leading part by parsing wakeup message frame is identified, from
And know access point apparatus for its caching downlink data frame in transmission used channel resource, i.e., with its received wake-up
The channel resource that message frame is used in transmission is identical, while so that channel spectrum is utilized effectively equipment is more saved
Electricity.
Wherein, predetermined bit position can preferably be two bits, for example: indicating 4MHz with " 00 ", is indicated with " 01 "
8MHz, and 20MHz is indicated with " 10 ".
Further, in the above-described embodiments, wakeup message frame transmit by different communication patterns and be formd not
The frame of same type, specifically includes: realizing that sender to the unicast wakeup message frame of the one-to-one communication pattern of recipient, realizes hair
The side of sending arrives the multicast wakeup message frame of one-to-one group of recipient of communication pattern, realizes that sender is led to recipient is a pair of all
The broadcast wakeup message frame of letter mode, so that making site apparatus that can receive wakeup message frame in many ways carries out its principal communication
The wake-up of interface.
Further, the channel width for being used for transmission the narrowband of the preset channel of unicast wakeup message frame, which can be less than, to be used for
The channel width of the narrowband of the preset channel of transport multicast wakeup message frame or broadcast wakeup message frame, specifically, for example, being used for
The preset channel for transmitting unicast wakeup message frame, which can use, to be divided into the channel of 20MHz in the narrow band channel of 4 5MHz
One is transmitted, and using the downlink data frame of the narrow band channel of same 5MHz transmission further cache, further, in list
The channel number of narrow band channel used by can carrying in the channel width mark of wakeup message frame is broadcast, in order to site apparatus
It is accurately received as the downlink data frame of its caching, and is used for transmission the pre- of multicast wakeup message frame or broadcast wakeup message frame
If channel can use the narrow band channel of 20MHz, specifically the frame portion of the multicast wakeup message frame or broadcast wakeup message frame
Divide the information that can carry narrow band channel number corresponding with site apparatus.
In the above scheme, site apparatus can more easily understand its lower line number for receiving caching based on channel number
According to the channel resource of frame, while convenient for compatible with IEEE802.11ax.
In specific implementation, the first receiving module 602, the second receiving module 606 can be receiver or antenna etc.；It wakes up
Module 604 and parsing module 608 can be central processing unit or baseband processor etc..
Fig. 7 shows the schematic block diagram of the site apparatus of the embodiment of the present invention.
As shown in fig. 7, site apparatus 70 according to an embodiment of the present invention, including WLAN described in above-described embodiment
Communication device 60, therefore, the site apparatus 70 have and above-described embodiment described in WLAN 60 phase of communication device
Same technical effect, details are not described herein.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, and according to the technical solution of the present invention, access point is set
It is standby to continue the downlink data frame for being sent to it caching on the narrow band channel for transferring wakeup message frame to site apparatus, so may be used
Principal communication interface to be effectively prevented from site apparatus be waken up after by competition in a manner of access channel, reduce channel occupancy punching
Prominent generation saves equipment power dissipation to improve channel spectrum utilization rate indirectly, so that equipment more power saving, meets
The demand of IEEE 802.11ba.
In the description of this specification, term " first ", " second " are only used for the purpose of description, and should not be understood as indicating
Or imply that relative importance can understand that above-mentioned term exists for the ordinary skill in the art as the case may be
Concrete meaning in the embodiment of the present disclosure.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of communication means of WLAN is used for access point apparatus, which is characterized in that the communication of the WLAN
Method includes:
Generate wakeup message frame；
The secondary communication interface of the wakeup message frame to the site apparatus is sent in preset channel, wherein the default letter
Road is narrow band channel and its channel width is less than or equal to pre-set bandwidths；
It will be institute in the preset channel after site apparatus wakes up its principal communication interface according to the wakeup message frame
The downlink data frame for stating site apparatus caching is sent to the principal communication interface.
2. the communication means of WLAN according to claim 1, which is characterized in that the generation wakeup message frame
Step specifically includes:
It is identified in the leading part configuration channel bandwidth of the wakeup message frame, the channel width mark occupies the front pilot
The predetermined bit position divided indicates the channel width of the preset channel.
3. a kind of communication means of WLAN is used for site apparatus, which is characterized in that the communication party of the WLAN
Method includes:
The wakeup message frame that access point apparatus is sent in preset channel is received by the secondary communication interface of site apparatus, wherein
The preset channel is narrow band channel and its channel width is less than or equal to pre-set bandwidths；
The principal communication interface of the site apparatus is waken up according to the wakeup message frame；
Being sent in the preset channel by the principal communication interface described access point equipment is the site apparatus
The downlink data frame of caching.
4. the communication means of WLAN according to claim 3, which is characterized in that receiving the wakeup message
After frame and before receiving the downlink data frame, further includes:
The leading part of the wakeup message frame is parsed, to obtain channel width mark wherein included, the channel width mark
The predetermined bit position for knowing the occupancy leading part indicates the channel width of the preset channel.
5. a kind of communication device of WLAN is used for access point apparatus, which is characterized in that the communication of the WLAN
Device includes:
Generation module, for generating wakeup message frame；
First sending module, for sending the wakeup message frame that the generation module generates in preset channel to the station
The secondary communication interface of point device, wherein the preset channel is narrow band channel and its channel width is less than or equal to pre-set bandwidths；
Second sending module, for after the site apparatus wakes up its principal communication interface according to the wakeup message frame, in institute
It states and the downlink data frame cached for the site apparatus is sent to the principal communication interface in preset channel.
6. the communication device of WLAN according to claim 5, which is characterized in that the generation module specifically wraps
It includes:
Submodule is configured, for the leading part configuration channel bandwidth mark in the wakeup message frame, the channel width mark
The predetermined bit position for knowing the occupancy leading part indicates the channel width of the preset channel.
7. a kind of communication device of WLAN is used for site apparatus, which is characterized in that the communication of the WLAN fills
It sets and includes:
First receiving module receives what access point apparatus was sent in preset channel for the secondary communication interface by site apparatus
Wakeup message frame, wherein the preset channel is narrow band channel and its channel width is less than or equal to pre-set bandwidths；
Wake-up module, for waking up the master of the site apparatus according to the received wakeup message frame of first receiving module
Communication interface；
Second receiving module, for being sent in the preset channel by the principal communication interface described access point equipment
It is the downlink data frame of the site apparatus caching.
8. the communication device of WLAN according to claim 7, which is characterized in that further include:
Parsing module, for after first receiving module receives the wakeup message frame and it is described second receive mould
Before block receives the downlink data frame,
The leading part of the wakeup message frame is parsed, to obtain channel width mark wherein included, the channel width mark
The predetermined bit position for knowing the occupancy leading part indicates the channel width of the preset channel.
9. a kind of access point apparatus characterized by comprising as the communication of WLAN described in claim 5 or 6 fills
It sets.
10. a kind of site apparatus characterized by comprising the communication device of WLAN as claimed in claim 7 or 8.
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