CN105007568B - A kind of transmission method, relevant device and the system of multicast message frame - Google Patents
A kind of transmission method, relevant device and the system of multicast message frame Download PDFInfo
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- CN105007568B CN105007568B CN201410364160.4A CN201410364160A CN105007568B CN 105007568 B CN105007568 B CN 105007568B CN 201410364160 A CN201410364160 A CN 201410364160A CN 105007568 B CN105007568 B CN 105007568B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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Abstract
The embodiment of the invention discloses a kind of transmission method, relevant device and the system of multicast message frame, this method includes：Broadcast message frame is generated, the broadcast message frame includes at least the service channel information of the multicast address of multicast message frame, the seeervice cycle of the multicast message frame and the multicast message frame that need to transmit；The broadcast message frame is sent, the broadcast message frame is for notifying site apparatus current access point within the seeervice cycle that can transmit the multicast message frame；Within the seeervice cycle of the multicast message frame, the multicast message frame is transmitted by the service channel.It, can be by preset service channel effectively transport multicast message frame, to eliminate interference of the unicast messages frame to multicast message frame using the present invention.
Description
Technical field
The present invention relates to the communications field more particularly to a kind of transmission method, relevant device and the systems of multicast message frame.
Background technology
With the progress of Information and Communication Technology, various wireless communication techniques are rapidly developed recently.Currently, 802.11 association
View group has set up the seminar of next-generation Wi-Fi technology --- efficient WLAN (High Efficiency WLAN,
HEW), to improve the handling capacity of Current wireless communication.The main application scenarios of HEW technologies are that the populations such as gymnasium, railway station are close
Collection needs the place of the communication environment of more crypto set.However, in intensive environment access point (Access Point, AP) with it is each
A website (Station, STA) carries out the unicast messages communication of identical content, then affects efficiently using for frequency spectrum.
Currently, defining a kind of advanced multicast (Advanced for carrying and retrying the period of service in 802.11aa
Groupcast with retries-service period, GCR-SP) mechanism come transmit the broadcast message of same content to
Each website, that is, STAs.However, broadcast message, that is, the GCR-SP is vulnerable to the interference of unicast messages frame, so as to cause broadcast message frame
Delay, especially in the case where communication environment is very intensive, this delayed broadcasting message frame destroys entire basic service
Collect the clock in (Basic Service Set, BSS) so that corresponding STAs is in the specific period of service (Service
Period, SP) broadcast message cannot be received.
Invention content
Technical problem to be solved of the embodiment of the present invention is, provides a kind of transmission method of multicast message frame, correlation
Equipment and system can pass through preset service channel effectively transport multicast message frame.
In a first aspect, an embodiment of the present invention provides a kind of transmission methods of multicast message frame, including：
Generate broadcast message frame, the broadcast message frame include at least need transmit multicast message frame multicast address,
The service channel information of the seeervice cycle of the multicast message frame and the multicast message frame；
The broadcast message frame is sent, the broadcast message frame is for notifying website to be currently accessed within the seeervice cycle
Point can transmit the multicast message frame；
Within the seeervice cycle of the multicast message frame, the multicast message frame is transmitted by the service channel.
With reference to first aspect, in the first possible implementation, if the service channel of the multicast message frame is in
The working channel of the broadcast message frame, the seeervice cycle were in the non-competing phase of the working channel.
With reference to first aspect, in second of possible realization method, if the service channel is not at the broadcast and disappears
The working channel of frame is ceased, the broadcast message frame further includes the switching time point of the seeervice cycle；
It is described that the multicast message frame is transmitted by the service channel, including：
The service channel is switched to according to the switching time of seeervice cycle point, to transmit the multicast message frame.
Second of possible realization method with reference to first aspect further include in the third possible realization method：
Within the seeervice cycle of the multicast message frame, by the network allocation vector of the working channel of the broadcast message frame
NAV is set as busy state.
With reference to first aspect, in the 4th kind of possible realization method, the multicast address of the multicast message frame includes extremely
Two few, the content of the multicast message frame corresponding to each multicast address is different.
With reference to first aspect, in the 5th kind of possible realization method, the broadcast message frame is beacon frame.
Either second of the first possible realization method of first aspect or first aspect with reference to first aspect
The 4th kind of possible realization method either the third possible realization method of first aspect or first aspect is possible
5th kind of possible realization method of realization method or first aspect, in the 6th kind of possible realization method, described logical
It crosses before the service channel transmission multicast message frame, further includes：
Determine the sending times of the multicast message frame；
It is described that the multicast message frame is transmitted by the service channel, including：
The multicast message frame is carried out extensively according to the sending times of the multicast message frame, and based on the service channel
It broadcasts.
Second aspect, the embodiment of the present invention additionally provide a kind of transmission method of multicast message frame, including：
Receive the broadcast message frame that access point is sent；
Parsing obtains the cycle information for the multicast message frame for needing to receive, the multicast message from the broadcast message frame
The cycle information of frame includes at least the seeervice cycle of the multicast message frame and the service channel information of the multicast message frame；
It is established and is wirelessly connected according to the seeervice cycle of the multicast message frame and described access point, and believed by the service
Road receives the multicast message frame.
The third aspect, the embodiment of the present invention additionally provide a kind of access point apparatus, including：
Generation module, for generating broadcast message frame, the broadcast message frame includes at least the multicast message for needing to transmit
The service channel information of the multicast address of frame, the seeervice cycle of the multicast message frame and the multicast message frame；
Sending module, the broadcast message frame generated for sending the generation module, the broadcast message frame is for notifying
Website current access point within the seeervice cycle can transmit the multicast message frame；
Transmission module, within the seeervice cycle of the multicast message frame, described group to be transmitted by the service channel
Broadcast message frame.
In conjunction with the third aspect, in the first possible implementation, if the service channel of the multicast message frame is in
The working channel of the broadcast message frame, the seeervice cycle were in the non-competing phase of the working channel.
In conjunction with the third aspect, in second of possible realization method, if the service channel is not at the broadcast and disappears
The working channel of frame is ceased, the broadcast message frame further includes the switching time point of the seeervice cycle；
The transmission module is specifically used for：
The service channel is switched to according to the switching time of seeervice cycle point, to transmit the multicast message frame.
Second of possible realization method in conjunction with the third aspect further include in the third possible realization method：
Setup module is used within the seeervice cycle of the multicast message frame, by the working channel of the broadcast message frame
Network allocation vector NAV be set as busy state.
In conjunction with the third aspect, in the 4th kind of possible realization method, the multicast address of the multicast message frame includes extremely
Two few, the content of the multicast message frame corresponding to each multicast address is different.
In conjunction with the third aspect, in the 5th kind of possible realization method, the broadcast message frame is beacon frame.
In conjunction with second of the third aspect either the first possible realization method of the third aspect or the third aspect
The 4th kind of possible realization method either the third possible realization method of the third aspect or the third aspect is possible
Realization method or the 5th kind of possible realization method of the third aspect further include in the 6th kind of possible realization method：
Determining module, the sending times for determining the multicast message frame；
The transmission module is specifically used for：
Within the seeervice cycle of the multicast message frame, according to the sending times of the multicast message frame, and based on described
Service channel broadcasts the multicast message frame.
Fourth aspect, the embodiment of the present invention additionally provide a kind of site apparatus, including：
First receiving module, the broadcast message frame for receiving access point apparatus transmission；
Parsing module, for parsing the group for obtaining needing to receive from the broadcast message frame that first receiving module receives
Broadcast the cycle information of message frame, the cycle information of the multicast message frame include at least the seeervice cycle of the multicast message frame with
And the service channel information of the multicast message frame；
The seeervice cycle of second receiving module, the multicast message frame for being resolved to according to the parsing module connects with described
Enter point device and establish wireless connection, and passes through the service channel and receive the multicast message frame.
5th aspect, the embodiment of the present invention additionally provides a kind of wireless communication system, including access point apparatus and website are set
It is standby；Wherein,
Described access point equipment is the first possible realization method such as the third aspect or the third aspect, Huo Zhe
The third possible realization method or the third aspect of second of possible realization method either third aspect of three aspects
The 4th kind of possible realization method either the 5th kind of possible realization method of the third aspect or the third aspect the 6th
Access point apparatus in the possible realization method of kind；
The site apparatus is the site apparatus such as fourth aspect.
The embodiment of the present invention is realized by sending the broadcast message frame for including multicast message frame seeervice cycle information by the group
It broadcasts the cycle informations such as the seeervice cycle of message frame and preset service channel to broadcast to each website, and passes through within the seeervice cycle
The service channel transmits the multicast message, to eliminate interference of the unicast messages frame to multicast message frame so that site apparatus
Multicast message frame can be normally received.
Description of the drawings
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
Obtain other attached drawings according to these attached drawings.
Fig. 1 is a kind of flow diagram of the transmission method of multicast message frame provided in an embodiment of the present invention；
Fig. 2 is the flow diagram of the transmission method of another multicast message frame provided in an embodiment of the present invention；
Fig. 3 is a kind of interaction schematic diagram of the transmission method of multicast message frame provided in an embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of access point apparatus provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another access point apparatus provided in an embodiment of the present invention；
Fig. 6 is a kind of structural schematic diagram of site apparatus provided in an embodiment of the present invention；
Fig. 7 is a kind of structural schematic diagram of wireless communication system provided in an embodiment of the present invention.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, those of ordinary skill in the art are obtained every other without creative efforts
Embodiment shall fall within the protection scope of the present invention.
It should be noted that the term used in embodiments of the present invention is the mesh only merely for description specific embodiment
, it is not intended to limit the invention." the one of the embodiment of the present invention and singulative used in the attached claims
Kind ", " described " and "the" are also intended to including most forms, unless context clearly shows that other meanings.It is also understood that this
Term "and/or" used herein refers to and includes one or more associated any or all possible group of list items purposes
It closes.
Fig. 1 is referred to, is a kind of flow diagram of the transmission method of multicast message frame provided in an embodiment of the present invention, institute
The method of stating can be applied particularly in the access point apparatus such as Network Management Equipment, router, intelligent mobile terminal, specifically, the method
Including：
S101：Broadcast message frame is generated, the broadcast message frame includes at least the multicast for the multicast message frame for needing to transmit
The service channel information of address, the seeervice cycle of the multicast message frame and the multicast message frame.
It should be noted that the service channel of the multicast message frame is preset dedicated channel, specifically, the dedicated channel
Can be logic channel or physical channel, the embodiment of the present invention is not construed as limiting.
Further, the multicast address of the multicast message frame includes at least two, the multicast corresponding to each multicast address
The content of message frame is different.
S102：The broadcast message frame is sent, the broadcast message frame is for notifying website to work as within the seeervice cycle
Preceding access point can transmit the multicast message frame.
Optionally, which is a kind of management message frame, concretely beacon (Beacon) frame, the multicast message
Multicast address, seeervice cycle and the service channel information of frame can be encapsulated in the beacon frame in the form of information element IE.
Specifically, the beacon frame is a complete beacon frame, the beacon frame is in addition to the multicast address including the multicast message frame, service
Can also include the information of other composition full beacon frames, which is not described herein again outside period and service channel information.
In specific embodiment, current AP can first determine the multicast message frame i.e. seeervice cycle of GCS-SP for needing to transmit.
Optionally, if the service channel of the multicast message frame is in the working channel of the broadcast message frame, i.e. the service channel is
The seeervice cycle of the multicast message frame can then be determined the non-competing phase in the working channel of the broadcast message frame by logic channel
In (contention-free period, CFP), to avoid other websites from generating interference to present communications.
Still optionally further, if the service channel is not at the working channel of the broadcast message frame, i.e. the service channel
For physical channel, then the broadcast message frame may also include the switching time point of the seeervice cycle.Believe by the service
When road transmits the multicast message frame, the service channel can be switched to according to the switching time point of the seeervice cycle, to pass
The defeated multicast message frame.It further, can also be by the broadcast message frame within the seeervice cycle of the multicast message frame
The network allocation vector (Network Allocation Vector, NAV) of working channel is set as busy state.
S103：Within the seeervice cycle of the multicast message frame, the multicast message frame is transmitted by the service channel.
The multicast message frame seeervice cycle reach when, current AP can by the service channel transport multicast message frame,
The multicast message frame is sent to corresponding website.
Further, before by the service channel transport multicast message frame, it may further determine that the weight of the multicast message frame
Send out number.When current AP transmits the multicast message frame, the sending times that can be determined according to this, and it is based on the service channel pair
The multicast message frame is broadcasted.Such as the sending times determined be 3 times, then can by the service channel with it is preset when
Between be spaced such as per 50ms by the multicast message frame send 3 times.Specifically, the retries is that the number retransmitted can be by current
Access point is determined with website negotiation, and the embodiment of the present invention is not construed as limiting.
Implement the embodiment of the present invention by sending the broadcast message frame for including multicast message frame seeervice cycle information, realizing will
The cycle informations such as the seeervice cycle of the multicast message frame and preset service channel are broadcasted to each website, and within the seeervice cycle
The multicast message is transmitted by the service channel, to eliminate interference of the unicast messages frame to multicast message frame so that website
Equipment can normally receive multicast message frame, and be conducive to site apparatus power saving.
Fig. 2 is referred to, is the flow diagram of the transmission method of another multicast message frame provided in an embodiment of the present invention,
The method can be applied particularly in the site apparatus such as intelligent mobile terminal, tablet computer, personal digital assistant, specifically, institute
The method of stating includes：
S201：Receive the broadcast message frame that access point is sent.
S202：It is parsed from the broadcast message frame and obtains the cycle information for the multicast message frame that needs receive, described group
The cycle information for broadcasting message frame includes at least the seeervice cycle of the multicast message frame and the service letter of the multicast message frame
Road information.
In specific embodiment, current site, can be from the broadcast message when receiving the broadcast message frame of access point transmission
Parsing obtains seeervice cycle and the service channel information of multicast message frame in frame, in order to when reaching the seeervice cycle, establish
With the wireless connection between the access point, and passes through the service channel and receive corresponding multicast message.
S203：It is established and is wirelessly connected according to the seeervice cycle of the multicast message frame and described access point, and by described
Service channel receives the multicast message frame.
Implement the embodiment of the present invention can be by parsing the multicast message for obtaining needing to receive from the broadcast message frame of reception
The seeervice cycle of frame and service channel information, in order to when reaching the seeervice cycle, be received by the service channel corresponding
Multicast message, to eliminate interference of the unicast messages frame to multicast message frame so that the website can normally receive multicast and disappear
Cease frame.
Further, Fig. 3 is referred to, is a kind of interaction of the transmission method of multicast message frame provided in an embodiment of the present invention
Schematic diagram, specifically, the method includes：
S301：Access point generates broadcast message frame, and the broadcast message frame includes at least the multicast message frame for needing to transmit
Multicast address, the seeervice cycle of the multicast message frame and the service channel information of the multicast message frame.
In specific embodiment, which is a kind of management message frame, such as concretely beacon frame.The multicast disappears
Multicast address, seeervice cycle and the service channel information of breath frame can be encapsulated in the beacon frame in the form of information element IE
In.
It should be noted that the service channel of the multicast message frame is preset dedicated channel, specifically, the dedicated channel
Can be logic channel or physical channel, the embodiment of the present invention is not construed as limiting.
Further, the multicast address of the multicast message frame includes at least two, the multicast corresponding to each multicast address
The content of message frame is different.
S302：Access point broadcasts the broadcast message frame.
In specific embodiment, the broadcast message frame is for notifying site apparatus current access point meeting within the seeervice cycle
The multicast message frame is sent, in order to which corresponding site apparatus receives the multicast message in time.
Specifically, current AP can first determine the multicast message frame i.e. seeervice cycle of GCS-SP for needing to transmit, optionally,
If the service channel of the multicast message frame is in the working channel of the broadcast message frame, i.e. the service channel is believed for logic
Road, then can by the seeervice cycle of the multicast message frame determine in the non-competing phase CFP of the working channel of the broadcast message frame,
Interference is generated to present communications so as to avoid other websites.
Still optionally further, if the service channel is not at the working channel of the broadcast message frame, i.e. the service channel
For physical channel, then the broadcast message frame may also include the switching time point of the seeervice cycle.Believe by the service
When road transmits the multicast message frame, the service channel can be switched to according to the switching time point of the seeervice cycle, to pass
The defeated multicast message frame.It further, can also be by the broadcast message frame within the seeervice cycle of the multicast message frame
The network allocation vector NAV of working channel is set as busy state.
S303：Website parses the cycle information for the multicast message frame for obtaining needing to receive, institute from the broadcast message frame
The cycle information for stating multicast message frame includes at least the seeervice cycle of the multicast message frame and the clothes of the multicast message frame
Business channel information.
In specific embodiment, current site, can be from the broadcast message when receiving the broadcast message frame of access point transmission
Seeervice cycle and the service channel information that multicast message frame is acquired in frame, in order to when reaching the seeervice cycle, establish
With the wireless connection between the access point, and passes through the service channel and receive corresponding multicast message.
S304：Access point determines the sending times of multicast message frame.
Further, before by the service channel transport multicast message frame, the weight of the multicast message frame can be first determined
Send out number.
S305：Within the seeervice cycle of the multicast message frame, access point according to the sending times of the multicast message frame,
And the multicast message frame is broadcasted based on the service channel.
The multicast message frame seeervice cycle reach when, current AP can by the service channel transport multicast message frame,
The multicast message frame is sent to associated stations.
Specifically, when current AP transmits the multicast message frame, the sending times that can be determined according to this, and it is based on the clothes
Business channel broadcasts the multicast message frame.Such as the sending times determined be 3 times, then can by the service channel with
Preset time interval such as sends the multicast message frame 3 times per 50ms.Specifically, the retries is the number retransmitted
It can be determined by current access point and website negotiation.
S306：Website is established with described access point according to the seeervice cycle of the multicast message frame and is wirelessly connected, and is passed through
The service channel receives the multicast message frame.
Implement the broadcast message that access point of the embodiment of the present invention can include multicast message frame seeervice cycle information by transmission
Frame, realization broadcast the cycle informations such as the seeervice cycle of the multicast message frame and preset service channel to each website, in order to
Associated stations receive the multicast message frame by the service channel, are done to multicast message frame to eliminate unicast messages frame
It disturbs so that site apparatus can normally receive multicast message frame, and be conducive to site apparatus power saving.
Fig. 4 is referred to, is a kind of structural schematic diagram of access point apparatus provided in an embodiment of the present invention, specifically, described
Access point apparatus includes generation module 11, sending module 12 and transmission module 13.Wherein,
The generation module 11, for generating broadcast message frame, the broadcast message frame includes at least the group for needing to transmit
Broadcast the service channel information of the multicast address of message frame, the seeervice cycle of the multicast message frame and the multicast message frame.
Wherein, the broadcast message frame is a kind of management message frame, concretely beacon frame.The multicast of the multicast message frame
Address may include at least two, and the content of the multicast message frame corresponding to each multicast address is different.
It should be noted that the service channel of the multicast message frame is preset dedicated channel, specifically, the dedicated channel
Can be logic channel or physical channel, the embodiment of the present invention is not construed as limiting.
The sending module 12, the broadcast message frame for sending the generation of the generation module 11, the broadcast message frame
For notifying site apparatus current access point within the seeervice cycle that can transmit the multicast message frame.
The transmission module 13, within the seeervice cycle of the multicast message frame, being transmitted by the service channel
The multicast message frame.
When reaching the seeervice cycle of the multicast message frame, transmission module 13 can pass through the service channel transport multicast message
The multicast message frame is sent to corresponding site apparatus by frame.
Specifically, the access point apparatus of the embodiment of the present invention for example can be Network Management Equipment, router, intelligent mobile terminal
Or other network equipments.
Implement the embodiment of the present invention by sending the broadcast message frame for including multicast message frame seeervice cycle information, realizing will
The cycle informations such as the seeervice cycle of the multicast message frame and preset service channel are broadcasted to each site apparatus, and in service week
The multicast message is transmitted by the service channel in phase, to eliminate interference of the unicast messages frame to multicast message frame so that
Associated stations equipment can normally receive multicast message frame.
Further, Fig. 5 is referred to, is the structural schematic diagram of another access point apparatus provided in an embodiment of the present invention,
Described access point includes the generation module 11, sending module 12 and transmission module 13 of above-mentioned access point apparatus, of the invention real
It applies in example, described access point equipment further includes：
Setup module 14, within the seeervice cycle of the multicast message frame, the work of the broadcast message frame to be believed
The network allocation vector NAV in road is set as busy state.
Optionally, if the service channel is in the working channel of the broadcast message frame, the service of the multicast message frame
Period can be in the non-competing phase of the working channel of the broadcast message frame.
Still optionally further, if the service channel is not at the working channel of the broadcast message frame, the broadcast message
Frame further includes the switching time point of the seeervice cycle.Further, institute is transmitted by the service channel in transmission module 13
When stating multicast message frame, the service channel can be switched to according to the switching time point of the seeervice cycle, to transmit described group
Broadcast message frame.Further, within the seeervice cycle of the multicast message frame, the broadcast can also be disappeared by setup module 14
The network allocation vector NAV for ceasing the working channel of frame is set as busy state.
Further, in embodiments of the present invention, described access point equipment can also include：
Determining module 15, the sending times for determining the multicast message frame；
The transmission module 13 is specifically used for：
Within the seeervice cycle of the multicast message frame, according to the sending times of the multicast message frame, and based on described
Service channel broadcasts the multicast message frame.
It further, can also be by determining mould before transmission module 13 is by the service channel transport multicast message frame
Block 15 determines the sending times of the multicast message frame.It, can be according to the determination mould when transmission module 13 transmits the multicast message frame
The sending times that block 15 is determined, to transmit the multicast message frame, for example the sending times determined are 3 times, then can be by this
Service channel at predetermined intervals such as sends the multicast message frame 3 times per 50ms.Specifically, the retries is
The number of repeating transmission can be determined by being currently accessed point device with site apparatus negotiation, and the embodiment of the present invention is not construed as limiting.
Implement broadcast message frame of the embodiment of the present invention by seeervice cycle information of the transmission comprising multicast message frame, realizes
The cycle informations such as the seeervice cycle of the multicast message frame and preset service channel are broadcasted to each website, and are believed by the service
Road transmits the multicast message, to eliminate interference of the unicast messages frame to multicast message frame so that associated stations can be normal
Receiving multicast message frame, and be conducive to site apparatus power saving.
Fig. 6 is referred to, is a kind of structural schematic diagram of site apparatus provided in an embodiment of the present invention, specifically, the station
Point device includes the first receiving module 21, parsing module 22 and the second receiving module 23.Wherein,
First receiving module 21, the broadcast message frame for receiving access point apparatus transmission.
The parsing module 22 is needed for being parsed from the broadcast message frame that first receiving module 21 receives
The cycle information of the multicast message frame of reception, the cycle information of the multicast message frame include at least the clothes of the multicast message frame
The service channel information of business period and the multicast message frame.
In specific embodiment, the first receiving module 21 can pass through parsing module in the broadcast message frame for receiving transmission
22 acquire the information such as the seeervice cycle of multicast message frame and service channel from the broadcast message frame.
Second receiving module 23, the seeervice cycle of the multicast message frame for being resolved to according to the parsing module 22
It establishes and is wirelessly connected with described access point equipment, and the multicast message frame is received by the service channel.
Specifically, the site apparatus of the embodiment of the present invention for example can be intelligent mobile terminal, tablet computer, personal digital
Assistant or other network equipments.
Implement the embodiment of the present invention can be by parsing the multicast message for obtaining needing to receive from the broadcast message frame of reception
The seeervice cycle of frame and service channel information, in order to when reaching the seeervice cycle, be received by the service channel corresponding
Multicast message, to eliminate interference of the unicast messages frame to multicast message frame so that associated stations equipment can normally receive
Multicast message frame.
Fig. 7 is referred to, is a kind of structural schematic diagram of wireless communication system provided in an embodiment of the present invention, the wireless communication
System includes access point apparatus 1 and site apparatus 2, wherein
The access point apparatus 1 can be the access point apparatus in above-mentioned Fig. 4 to Fig. 5 any embodiments, and details are not described herein again；
Site apparatus 2 can be the site apparatus in above-mentioned Fig. 6 embodiments, and details are not described herein again.
Implement the broadcast message that access point of the embodiment of the present invention can include multicast message frame seeervice cycle information by transmission
Frame, realization broadcast the cycle informations such as the seeervice cycle of the multicast message frame and preset service channel to each website, in order to
Associated stations receive the multicast message frame by the service channel, are done to multicast message frame to eliminate unicast messages frame
It disturbs so that site apparatus can normally receive multicast message frame.
One of ordinary skill in the art will appreciate that realizing all or part of flow in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer read/write memory medium
In, the program is when being executed, it may include such as the flow of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
It is above disclosed to be only a preferred embodiment of the present invention, the power of the present invention cannot be limited with this certainly
Sharp range, those skilled in the art can understand all or part of the processes for realizing the above embodiment, and is weighed according to the present invention
Equivalent variations made by profit requirement, still belong to the scope covered by the invention.
Claims (13)
1. a kind of transmission method of multicast message frame, which is characterized in that including：
Broadcast message frame is generated, the broadcast message frame includes at least the multicast address, described for the multicast message frame for needing to transmit
The service channel information of the seeervice cycle of multicast message frame and the multicast message frame；
The broadcast message frame is sent, the broadcast message frame is for notifying website current access point meeting within the seeervice cycle
Transmit the multicast message frame；
Within the seeervice cycle of the multicast message frame, the multicast message frame is transmitted by the service channel；
Wherein, if the service channel of the multicast message frame is in the working channel of the broadcast message frame, the seeervice cycle
In the non-competing phase in the working channel；Alternatively,
If the service channel is not at the working channel of the broadcast message frame, the broadcast message frame further includes the service
The switching time point in period；
It is described that the multicast message frame is transmitted by the service channel, including：
The service channel is switched to according to the switching time of seeervice cycle point, to transmit the multicast message frame.
2. the method as described in claim 1, which is characterized in that further include：
Within the seeervice cycle of the multicast message frame, by the network allocation vector NAV of the working channel of the broadcast message frame
It is set as busy state.
3. the method as described in claim 1, which is characterized in that the multicast address of the multicast message frame includes at least two,
The content of multicast message frame corresponding to each multicast address is different.
4. the method as described in claim 1, which is characterized in that the broadcast message frame is beacon frame.
5. method according to any one of claims 1-4, which is characterized in that described by described in service channel transmission
Before multicast message frame, further include：
Determine the sending times of the multicast message frame；
It is described that the multicast message frame is transmitted by the service channel, including：
The multicast message frame is broadcasted according to the sending times of the multicast message frame, and based on the service channel.
6. a kind of transmission method of multicast message frame, which is characterized in that including：
Receive the broadcast message frame that access point is sent；
Parsing obtains the cycle information for the multicast message frame for needing to receive from the broadcast message frame, the multicast message frame
Cycle information includes at least the seeervice cycle of the multicast message frame and the service channel information of the multicast message frame；
It is established and is wirelessly connected according to the seeervice cycle of the multicast message frame and described access point, and connect by the service channel
Receive the multicast message frame；
Wherein, if the service channel of the multicast message frame is in the working channel of the broadcast message frame, the seeervice cycle
In the non-competing phase in the working channel；Alternatively,
If the service channel is not at the working channel of the broadcast message frame, the broadcast message frame further includes the service
The switching time point in period；
It is described that the multicast message frame is received by the service channel, including：
The service channel is switched to according to the switching time of seeervice cycle point, to receive the multicast message frame.
7. a kind of access point apparatus, which is characterized in that including：
Generation module, for generating broadcast message frame, the broadcast message frame includes at least the multicast message frame for needing to transmit
The service channel information of multicast address, the seeervice cycle of the multicast message frame and the multicast message frame；
Sending module, the broadcast message frame generated for sending the generation module, the broadcast message frame is for notifying website
Current access point can transmit the multicast message frame within the seeervice cycle；
Transmission module, within the seeervice cycle of the multicast message frame, transmitting the multicast by the service channel and disappearing
Cease frame；
Wherein, if the service channel of the multicast message frame is in the working channel of the broadcast message frame, the seeervice cycle
In the non-competing phase in the working channel；Alternatively,
If the service channel is not at the working channel of the broadcast message frame, the broadcast message frame further includes the service
The switching time point in period；
The transmission module is specifically used for：
The service channel is switched to according to the switching time of seeervice cycle point, to transmit the multicast message frame.
8. access point apparatus as claimed in claim 7, which is characterized in that further include：
Setup module is used within the seeervice cycle of the multicast message frame, by the net of the working channel of the broadcast message frame
Network allocation vector NAV is set as busy state.
9. access point apparatus as claimed in claim 7, which is characterized in that the multicast address of the multicast message frame includes at least
Two, the content of the multicast message frame corresponding to each multicast address is different.
10. access point apparatus as claimed in claim 7, which is characterized in that the broadcast message frame is beacon frame.
11. such as claim 7-10 any one of them access point apparatus, which is characterized in that further include：
Determining module, the sending times for determining the multicast message frame；
The transmission module is specifically used for：
Within the seeervice cycle of the multicast message frame, according to the sending times of the multicast message frame, and it is based on the service
Channel broadcasts the multicast message frame.
12. a kind of site apparatus, which is characterized in that including：
First receiving module, the broadcast message frame for receiving access point apparatus transmission；
Parsing module for parsing from the broadcast message frame that first receiving module receives obtains that the multicast received is needed to disappear
The cycle information of frame is ceased, the cycle information of the multicast message frame includes at least seeervice cycle and the institute of the multicast message frame
The service channel information of multicast message frame is stated, the service channel of the multicast message frame is preset dedicated channel；
Second receiving module, the seeervice cycle of the multicast message frame for being resolved to according to the parsing module and described access point
Equipment, which is established, to be wirelessly connected, and receives the multicast message frame by the service channel；
Wherein, if the service channel of the multicast message frame is in the working channel of the broadcast message frame, the seeervice cycle
In the non-competing phase in the working channel；Alternatively,
If the service channel is not at the working channel of the broadcast message frame, the broadcast message frame further includes the service
The switching time point in period；
Second receiving module is specifically used for：
The service channel is switched to according to the switching time of seeervice cycle point, to receive the multicast message frame.
13. a kind of wireless communication system, which is characterized in that including access point apparatus and site apparatus；Wherein,
Described access point equipment is such as claim 7-11 any one of them access point apparatus；
The site apparatus is site apparatus as claimed in claim 12.
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|---|---|---|---|---|
| EP2161953A2 (en) * | 2008-09-09 | 2010-03-10 | NTT DoCoMo, Inc. | Access point, wireless communication station, wireless communication system and wireless communication method |
| CN103634126A (en) * | 2012-08-22 | 2014-03-12 | 华为技术有限公司 | Multicast information transmission method and device |
| CN104023316A (en) * | 2013-03-01 | 2014-09-03 | 华为技术有限公司 | Multicast information transmission method and device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2161953A2 (en) * | 2008-09-09 | 2010-03-10 | NTT DoCoMo, Inc. | Access point, wireless communication station, wireless communication system and wireless communication method |
| CN103634126A (en) * | 2012-08-22 | 2014-03-12 | 华为技术有限公司 | Multicast information transmission method and device |
| CN104023316A (en) * | 2013-03-01 | 2014-09-03 | 华为技术有限公司 | Multicast information transmission method and device |
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