CN106060939B - Communication means, communication device, access point and the website of WLAN - Google Patents
Communication means, communication device, access point and the website of WLAN Download PDFInfo
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- CN106060939B CN106060939B CN201610326485.2A CN201610326485A CN106060939B CN 106060939 B CN106060939 B CN 106060939B CN 201610326485 A CN201610326485 A CN 201610326485A CN 106060939 B CN106060939 B CN 106060939B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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Abstract
The present invention provides a kind of communication means of WLAN, communication device, access point and website, wherein, the communication means of WLAN, it include: to generate communication resource distribution message frame, it include first identifier position in the communication resource distribution message frame, the first identifier position is used to indicate the size for the F-MSDU that each website adds in the data frame of generation, the F-MSDU is for making each website occupy identical transmission duration when sending the data frame, wherein, the size for the F-MSDU that each website adds in the data frame of generation is not identical；Send the communication resource distribution message frame.The size for the F-MSDU that technical solution of the present invention enables access point to indicate that each website adds in the data frame of generation, identical transmission duration is occupied to guarantee each website in transmitting data frame, and then ensures the transfer resource that each website makes full use of access point to be distributed as much as possible.
Description
Technical field
The present invention relates to fields of communication technology, wireless in particular to a kind of communication means of WLAN, one kind
The communication device of local area network, a kind of access point and a kind of website.
Background technique
Next-generation Wi-Fi (Wireless Fidelity, Wireless Fidelity) technology has been set up in May, 2013,802.11
Study group HEW (High efficiency WLAN, efficient WLAN), i.e. 802.11ax, main research point are to improve
The handling capacity of existing Wi-Fi technology, the effective use efficiency for improving frequency spectrum improve user experience and service quality Q oE
(Quality of Experience), and realize the communication environment that more crypto set is adapted to than existing Wi-Fi technology.
802.11ax will improve the utilization rate of frequency spectrum, in the formulation process of standard, AP using multi-user technology
(Access Point, access point) can send trigger frame (i.e. communication resource distribution message frame) and come to STA (Station, website)
Resource is distributed, it is specific as shown in Figure 1, can be passed according to the resource that AP in trigger frame is distributed after each STA receives trigger frame
Defeated upstream data.But size when transmitting upstream data due to each STA can be different, it can be in MSDU (Medium
Access Control (MAC) Service Data Unit, MAC Service Data Unit) afterwards by increasing F-MSDU
(Fragmentation MSDU can be referred to as MSDU piecemeal) comes so that the size of data of all users transmission is consistent, specifically
As shown in Fig. 2, reducing the waste of resource this makes it possible to the transfer resource for preferably AP being utilized to be distributed.
But there is no use which kind of size to be transmitted F-MSDU to reduce frequency as far as possible in current standard agreement
Specific regulation is made in the waste of spectrum resource, it is therefore desirable to the transmission strategy of F-MSDU is defined, suitable for the logical of 802.11ax
Believe environment.
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, the size for the F-MSDU for enabling access point to indicate that each website adds in the data frame of generation, to guarantee each station
Point occupies identical transmission duration in transmitting data frame, and then ensures that each website makes full use of access point institute as much as possible
The transfer resource of distribution.
In view of this, according to the first aspect of the invention, proposing a kind of communication means of WLAN, comprising: raw
It include first identifier position in the communication resource distribution message frame at communication resource distribution message frame, the first identifier position
It is used to indicate the size for the F-MSDU that each website adds in the data frame of generation, the F-MSDU is for making each station
Point occupies identical transmission duration when sending the data frame, wherein each website adds in the data frame of generation
F-MSDU size it is not identical；Send the communication resource distribution message frame.
In the technical scheme, indicate each website in the data frame of generation by being arranged in resource allocation message frame
The first identifier position of the F-MSDU size of addition, to ensure that each website occupies identical transmission duration when sending data frame,
Make it possible to conveniently accessible point to website allocation of transmission resources, while can also ensure that each website makes full use of as much as possible
The transfer resource that access point is distributed reduces the waste of frequency spectrum resource, meets the communication requirement of 802.11ax, is conducive to mention
The handling capacity in high region.
In the above-mentioned technical solutions, it is preferable that also include second identifier position, institute in the communication resource distribution message frame
State the number that second identifier position is used to indicate the F-MSDU that each website adds in the data frame of generation.Its
In, second identifier position may include 4 bits, to indicate each website in the data frame of generation by 4 bits
The number of the F-MSDU of addition.For example: the value of second identifier position is " 0001 ", and instruction website adds 1 F- in a data frame
MSDU；The value of second identifier position is " 0010 ", and instruction website adds 2 F-MSDU in a data frame.
In the technical scheme, on the one hand indicate that each website adds in the data frame of generation by first identifier position
F-MSDU size, on the other hand can also indicate that each website adds in the data frame of generation by second identifier position
F-MSDU number, and then can effectively ensure that the data frame that each website generates can occupy identical transmission in transmission
Duration.
Specifically, in the technical scheme, size represented by first identifier position can be 128 bytes, 256 bytes or
512 bytes for example indicate that the size for the F-MSDU that website one can add is 128 bytes, and indicating website two can add
The size of the F-MSDU added is 512 bytes, does not limit to only 2 websites certainly, can be multiple websites.
In one embodiment of the invention, it can also be filled with Packet extension to ensure each station
The transmission duration that the data frame that point generates is occupied in transmission is consistent.
In the above-mentioned technical solutions, it is preferable that each user information (Per in the communication resource distribution message frame
User info) the first identifier position and the second identifier position are set in subdomain.
In any of the above-described technical solution, it is preferable that further include: according to the transfer resource of each site requests and
The size of data that each website needs to transmit, generates the communication resource distribution message frame.
In the technical scheme, the number by needing to transmit according to the transfer resource of each site requests and each website
According to size, communication resource distribution message frame, the transfer resource that access point is distributed to each website and each station are generated
The actual demand of point is adapted, and then can ensure the transfer resource that website makes full use of access point to be distributed, and reduces resource
Waste.
In any of the above-described technical solution, it is preferable that when the value of the first identifier position is the first value, indicate website in life
At data frame in the size of F-MSDU added be 128 bytes；When the value of the first identifier position is second value, website is indicated
The size of the F-MSDU added in the data frame of generation is 256 bytes；When the value of the first identifier position is third value, instruction
The size for the F-MSDU that website adds in the data frame of generation is 512 bytes.
It is non-limiting as an embodiment of the present invention, when the value of first identifier position is " 00 ", indicate website in life
At data frame in the size of F-MSDU added be 128 bytes；When the value of first identifier position is " 01 ", indicate website in life
At data frame in the size of F-MSDU added be 256 bytes；When the value of first identifier position is " 10 ", indicate website in life
At data frame in the size of F-MSDU added be 512 bytes.
According to the second aspect of the invention, it is also proposed that a kind of communication means of WLAN, comprising: receive communication money
Source assignment messages frame includes first identifier position in the communication resource distribution message frame, and the first identifier position is used to indicate
The size for the F-MSDU that each website adds in the data frame of generation, the F-MSDU is for sending each website
Identical transmission duration is occupied when the data frame, wherein the F-MSDU that each website adds in the data frame of generation
Size it is not identical；Uplink data frames are generated, include MSDU and the F- after the MSDU in the uplink data frames
The F-MSDU's that size and the first identifier position of MSDU, the F-MSDU in the uplink data frames indicate is in the same size；Base
The communication resource indicated by the communication resource distribution message frame, sends the uplink data frames.
In the technical scheme, by the size and the communication resource point of the F-MSDU added in the uplink data frames of generation
F-MSDU's with the first identifier position instruction in message frame is in the same size, enables website according to the instruction of access point come really
It protects the data frame generated and occupies identical transmission duration with the data frame of other websites when sending, on the one hand make to access in this way
Point can be convenient on the other hand can also ensure that each website makes full use of access as much as possible to website allocation of transmission resources
The distributed transfer resource of point, reduces the waste of frequency spectrum resource, meets the communication requirement of 802.11ax, is conducive to improve area
The handling capacity in domain.Preferably, the F-MSDU in data frame that website generates should use identical MCS (Modulation with MSDU
And Coding Scheme, modulation and coding strategy).
Wherein, size represented by first identifier position can be 128 bytes, 256 bytes or 512 bytes, for example indicate
The size for the F-MSDU that website 1 can add is 128 bytes, and indicates that the size of the F-MSDU that website 2 can add is
512 bytes do not limit to only 2 websites certainly, can be multiple websites.
In the above-mentioned technical solutions, it is preferable that it further include having second identifier position in the communication resource distribution message frame, institute
State the number that second identifier position is used to indicate the F-MSDU that each website adds in the data frame of generation；Institute
The number for stating the F-MSDU for including in uplink data frames is consistent with the number of F-MSDU that the second identifier position indicates.
In the technical scheme, it is indicated by the number and second identifier position that make the F-MSDU for including in uplink data frames
The number of F-MSDU is consistent, makes it possible to guarantee based on the size of the F-MSDU of access point instruction and number that each website generates
Data frame transmission when can occupy identical transmission duration.
According to the third aspect of the invention we, it is also proposed that a kind of communication device of WLAN, comprising: generation unit,
It include first identifier position in the communication resource distribution message frame for generating communication resource distribution message frame, described first
Marker is used to indicate the size for the F-MSDU that each website adds in the data frame of generation, and the F-MSDU is described for making
Each website occupies identical transmission duration when sending the data frame, wherein data frame of each website in generation
The size of the F-MSDU of middle addition is not identical；Transmission unit, for sending the communication resource distribution message frame.
In the technical scheme, indicate each website in the data frame of generation by being arranged in resource allocation message frame
The first identifier position of the F-MSDU size of addition, to ensure that each website occupies identical transmission duration when sending data frame,
Make it possible to conveniently accessible point to website allocation of transmission resources, while can also ensure that each website makes full use of as much as possible
The transfer resource that access point is distributed reduces the waste of frequency spectrum resource, meets the communication requirement of 802.11ax, is conducive to mention
The handling capacity in high region.
In the above-mentioned technical solutions, it is preferable that also include second identifier position, institute in the communication resource distribution message frame
State the number that second identifier position is used to indicate the F-MSDU that each website adds in the data frame of generation.Its
In, second identifier position may include 4 bits, to indicate each website in the data frame of generation by 4 bits
The number of the F-MSDU of addition.For example: the value of second identifier position is " 0001 ", and instruction website adds 1 F- in a data frame
MSDU；The value of second identifier position is " 0010 ", and instruction website adds 2 F-MSDU in a data frame.
In the technical scheme, on the one hand indicate that each website adds in the data frame of generation by first identifier position
F-MSDU size, on the other hand can also indicate that each website adds in the data frame of generation by second identifier position
F-MSDU number, and then can effectively ensure that the data frame that each website generates can occupy identical transmission in transmission
Duration.
Wherein, size represented by first identifier position can be 128 bytes, 256 bytes or 512 bytes, for example indicate
The size for the F-MSDU that website 1 can add is 128 bytes, and indicates that the size of the F-MSDU that website 2 can add is
512 bytes do not limit to only 2 websites certainly, can be multiple websites.
In one embodiment of the invention, it can also be filled with Packet extension to ensure each station
The transmission duration that the data frame that point generates is occupied in transmission is consistent.
In the above-mentioned technical solutions, it is preferable that each user information subdomain in the communication resource distribution message frame
The middle setting first identifier position and the second identifier position.
In any of the above-described technical solution, it is preferable that the generation unit is specifically used for: according to each site requests
Transfer resource and each website size of data that needs to transmit, generate the communication resource distribution message frame.
In the technical scheme, the number by needing to transmit according to the transfer resource of each site requests and each website
According to size, communication resource distribution message frame, the transfer resource that access point is distributed to each website and each station are generated
The actual demand of point is adapted, and then can ensure the transfer resource that website makes full use of access point to be distributed, and reduces resource
Waste.
In any of the above-described technical solution, it is preferable that when the value of the first identifier position is the first value, indicate website in life
At data frame in the size of F-MSDU added be 128 bytes；When the value of the first identifier position is second value, website is indicated
The size of the F-MSDU added in the data frame of generation is 256 bytes；When the value of the first identifier position is third value, instruction
The size for the F-MSDU that website adds in the data frame of generation is 512 bytes.
It is non-limiting as an embodiment of the present invention, when the value of first identifier position is " 00 ", indicate website in life
At data frame in the size of F-MSDU added be 128 bytes；When the value of first identifier position is " 01 ", indicate website in life
At data frame in the size of F-MSDU added be 256 bytes；When the value of first identifier position is " 10 ", indicate website in life
At data frame in the size of F-MSDU added be 512 bytes.
According to the fourth aspect of the invention, it is also proposed that a kind of communication device of WLAN, comprising: receiving unit,
It include first identifier position in the communication resource distribution message frame for receiving communication resource distribution message frame, described first
Marker is used to indicate the size for the F-MSDU that each website adds in the data frame of generation, and the F-MSDU is described for making
Each website occupies identical transmission duration when sending the data frame, wherein data frame of each website in generation
The size of the F-MSDU of middle addition is not identical；Generation unit includes in the uplink data frames for generating uplink data frames
The MSDU and F-MSDU after the MSDU, the size of the F-MSDU in the uplink data frames and the first identifier position
The F-MSDU's of instruction is in the same size；Transmission unit, for being provided based on communication indicated by the communication resource distribution message frame
Source sends the uplink data frames.
In the technical scheme, by the size and the communication resource point of the F-MSDU added in the uplink data frames of generation
F-MSDU's with the first identifier position instruction in message frame is in the same size, enables website according to the instruction of access point come really
It protects the data frame generated and occupies identical transmission duration with the data frame of other websites when sending, on the one hand make to access in this way
Point can be convenient on the other hand can also ensure that each website makes full use of access as much as possible to website allocation of transmission resources
The distributed transfer resource of point, reduces the waste of frequency spectrum resource, meets the communication requirement of 802.11ax, is conducive to improve area
The handling capacity in domain.Preferably, the F-MSDU in data frame that website generates should use identical MCS with MSDU.
Wherein, size represented by first identifier position can be 128 bytes, 256 bytes or 512 bytes, for example indicate
The size for the F-MSDU that website 1 can add is 128 bytes, and indicates that the size of the F-MSDU that website 2 can add is
512 bytes do not limit to only 2 websites certainly, can be multiple websites.
In the above-mentioned technical solutions, it is preferable that it further include having second identifier position in the communication resource distribution message frame, institute
State the number that second identifier position is used to indicate the F-MSDU that each website adds in the data frame of generation；Institute
The number for stating the F-MSDU for including in uplink data frames is consistent with the number of F-MSDU that the second identifier position indicates.
In the technical scheme, it is indicated by the number and second identifier position that make the F-MSDU for including in uplink data frames
The number of F-MSDU is consistent, makes it possible to guarantee based on the size of the F-MSDU of access point instruction and number that each website generates
Data frame transmission when can occupy identical transmission duration.
According to the fifth aspect of the invention, it is also proposed that a kind of access point, comprising: wireless as described in the above-mentioned third aspect
The communication device of local area network.
According to the sixth aspect of the invention, it is also proposed that a kind of website, comprising: the wireless office as described in above-mentioned fourth aspect
The communication device of domain net.
By above technical scheme, the F- for enabling access point to indicate that each website adds in the data frame of generation
The size of MSDU occupies identical transmission duration to guarantee each website in transmitting data frame, and then ensures each website
The transfer resource for making full use of access point to be distributed as much as possible reduces the waste of frequency spectrum resource, meets 802.11ax's
Communication requirement is conducive to the handling capacity for improving region.
Detailed description of the invention
Fig. 1 shows the resource allocation between access point and website and the schematic flow diagram of data transmission；
Fig. 2 shows addition F-MSDU in a data frame so that the consistent schematic diagram of the size of data of all station transmissions；
Fig. 3 shows the schematic flow diagram of the communication means of WLAN according to first embodiment of the invention；
Fig. 4 shows the frame structure schematic diagram of the communication resource distribution message frame of embodiment according to the present invention；
Fig. 5 shows the schematic block diagram of the communication device of WLAN according to first embodiment of the invention；
Fig. 6 shows the schematic block diagram of the access point of embodiment according to the present invention；
Fig. 7 shows the schematic flow diagram of the communication means of the WLAN of second embodiment according to the present invention；
Fig. 8 shows the schematic block diagram of the communication device of the WLAN of second embodiment according to the present invention；
Fig. 9 shows the schematic block diagram of the website of embodiment according to the present invention；
Figure 10 shows the schematic flow diagram of the communication means of the WLAN of third embodiment according to the present invention.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be 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. 3 shows the schematic flow diagram of the communication means of WLAN according to first embodiment of the invention.
As shown in figure 3, the communication means of WLAN according to first embodiment of the invention, comprising:
Step 302, communication resource distribution message frame is generated, includes first identifier in the communication resource distribution message frame
Position, the first identifier position is used to indicate the size for the F-MSDU that each website adds in the data frame of generation, the F-
MSDU is for making each website occupy identical transmission duration when sending the data frame, wherein each website
The size of the F-MSDU added in the data frame of generation is not identical.
In step 302, indicate that each website adds in the data frame of generation by being arranged in resource allocation message frame
The first identifier position of the F-MSDU size added is made with ensuring that each website occupies identical transmission duration when sending data frame
Can conveniently accessible point to website allocation of transmission resources, while can also ensure that each website makes full use of as much as possible and connecing
The transfer resource that access point is distributed reduces the waste of frequency spectrum resource, meets the communication requirement of 802.11ax, is conducive to improve
The handling capacity in region.
As a preferred embodiment of the present invention, when the value of the first identifier position is the first value, indicate website in life
At data frame in the size of F-MSDU added be 128 bytes；When the value of the first identifier position is second value, website is indicated
The size of the F-MSDU added in the data frame of generation is 256 bytes；When the value of the first identifier position is third value, instruction
The size for the F-MSDU that website adds in the data frame of generation is 512 bytes.For example: when the value of first identifier position is " 00 "
When, the size for the F-MSDU that instruction website adds in the data frame of generation is 128 bytes；When the value of first identifier position is " 01 "
When, the size for the F-MSDU that instruction website adds in the data frame of generation is 256 bytes；When the value of first identifier position is " 10 "
When, the size for the F-MSDU that instruction website adds in the data frame of generation is 512 bytes.
As it can be seen that size represented by first identifier position can be 128 bytes, 256 bytes or 512 bytes, for example indicate
The size for the F-MSDU that website 1 can add is 128 bytes, and indicates that the size of the F-MSDU that website 2 can add is
512 bytes do not limit to only 2 websites certainly, can be multiple websites.
It in one embodiment of the invention, also include second identifier position, institute in the communication resource distribution message frame
State the number that second identifier position is used to indicate the F-MSDU that each website adds in the data frame of generation.Its
In, second identifier position may include 4 bits, to indicate each website in the data frame of generation by 4 bits
The number of the F-MSDU of addition.For example: the value of second identifier position is " 0001 ", and instruction website adds 1 F- in a data frame
MSDU；The value of second identifier position is " 0010 ", and instruction website adds 2 F-MSDU in a data frame.
In this embodiment, on the one hand indicate what each website added in the data frame of generation by first identifier position
On the other hand the size of F-MSDU can also indicate what each website added in the data frame of generation by second identifier position
The number of F-MSDU, and then when the data frame that can effectively ensure that each website generates can occupy identical transmission in transmission
It is long.
In one embodiment of the invention, it can also be filled with Packet extension to ensure each station
The transmission duration that the data frame that point generates is occupied in transmission is consistent.
As a preferred embodiment of the present invention, can believe in each user in the communication resource distribution message frame
The first identifier position and the second identifier position are set in breath (Per user info) subdomain.Specifically, it is illustrated in figure 4
The frame structure schematic diagram of communication resource distribution message frame, wherein can be arranged in Per user info subdomain and be directed to each station
The first identifier position and second identifier position of point.
In one embodiment of the invention, the communication means of the WLAN, further includes: according to described each
The size of data that the transfer resource of site requests and each website need to transmit, generates the communication resource distribution message
Frame.
In the technical scheme, the number by needing to transmit according to the transfer resource of each site requests and each website
According to size, communication resource distribution message frame, the transfer resource that access point is distributed to each website and each station are generated
The actual demand of point is adapted, and then can ensure the transfer resource that website makes full use of access point to be distributed, and reduces resource
Waste.
Step 304, the communication resource distribution message frame is sent.
Wherein, the executing subject of communication means shown in Fig. 3 can be mobile phone or PDA (Personal Digital
Assistant, palm PC) etc..
Fig. 5 shows the schematic block diagram of the communication device of WLAN according to first embodiment of the invention.
As shown in figure 5, the communication device 500 of WLAN according to first embodiment of the invention, comprising: generate
Unit 502 and transmission unit 504.
Wherein, generation unit 502 is wrapped in the communication resource distribution message frame for generating communication resource distribution message frame
Containing first identifier position, the first identifier position is used to indicate the big of the F-MSDU that each website adds in the data frame of generation
Small, the F-MSDU is for making each website occupy identical transmission duration when sending the data frame, wherein described
The size for the F-MSDU that each website adds in the data frame of generation is not identical；Transmission unit 504 is for sending the communication
Resource allocation message frame.
In specific implementation, generation unit 502 can be signal processor, central processing unit or baseband processor etc.；Hair
Unit 504 is sent to can be transmitter (Transmitter) or antenna.
In the technical scheme, indicate each website in the data frame of generation by being arranged in resource allocation message frame
The first identifier position of the F-MSDU size of addition, to ensure that each website occupies identical transmission duration when sending data frame,
Make it possible to conveniently accessible point to website allocation of transmission resources, while can also ensure that each website makes full use of as much as possible
The transfer resource that access point is distributed reduces the waste of frequency spectrum resource, meets the communication requirement of 802.11ax, is conducive to mention
The handling capacity in high region.
As an embodiment of the present invention, when the value of the first identifier position is the first value, indicate website in generation
The size of the F-MSDU added in data frame is 128 bytes；When the value of the first identifier position is second value, indicate website in life
At data frame in the size of F-MSDU added be 256 bytes；When the value of the first identifier position is third value, website is indicated
The size of the F-MSDU added in the data frame of generation is 512 bytes.For example: when the value of first identifier position is " 00 ", referring to
The size for showing the F-MSDU that website adds in the data frame of generation is 128 bytes；When the value of first identifier position is " 01 ", refer to
The size for showing the F-MSDU that website adds in the data frame of generation is 256 bytes；When the value of first identifier position is " 10 ", refer to
The size for showing the F-MSDU that website adds in the data frame of generation is 512 bytes.I.e. size represented by first identifier position can
Think 128 bytes, 256 bytes or 512 bytes, for example indicates that the size for the F-MSDU that website 1 can add is 128 words
Section, and indicate that the size for the F-MSDU that website 2 can add is 512 bytes, do not limit to only 2 websites certainly, can be
Multiple websites.
In the above-mentioned technical solutions, it is preferable that also include second identifier position, institute in the communication resource distribution message frame
State the number that second identifier position is used to indicate the F-MSDU that each website adds in the data frame of generation.Its
In, second identifier position may include 4 bits, to indicate each website in the data frame of generation by 4 bits
The number of the F-MSDU of addition.For example: the value of second identifier position is " 0001 ", and instruction website adds 1 F- in a data frame
MSDU；The value of second identifier position is " 0010 ", and instruction website adds 2 F-MSDU in a data frame.
In the technical scheme, on the one hand indicate that each website adds in the data frame of generation by first identifier position
F-MSDU size, on the other hand can also indicate that each website adds in the data frame of generation by second identifier position
F-MSDU number, and then can effectively ensure that the data frame that each website generates can occupy identical transmission in transmission
Duration.
In one embodiment of the invention, it can also be filled with Packet extension to ensure each station
The transmission duration that the data frame that point generates is occupied in transmission is consistent.
In the above-mentioned technical solutions, it is preferable that each user information subdomain in the communication resource distribution message frame
The middle setting first identifier position and the second identifier position.
In any of the above-described technical solution, it is preferable that the generation unit 502 is specifically used for: according to each website
The size of data that the transfer resource of request and each website need to transmit, generates the communication resource distribution message frame.
In the technical scheme, the number by needing to transmit according to the transfer resource of each site requests and each website
According to size, communication resource distribution message frame, the transfer resource that access point is distributed to each website and each station are generated
The actual demand of point is adapted, and then can ensure the transfer resource that website makes full use of access point to be distributed, and reduces resource
Waste.
Fig. 6 shows the schematic block diagram of the access point of embodiment according to the present invention.
As shown in fig. 6, the access point 600 of embodiment according to the present invention, comprising: WLAN as shown in Figure 5
Communication device 500.
Fig. 7 shows the schematic flow diagram of the communication means of the WLAN of second embodiment according to the present invention.
As shown in fig. 7, the communication means of the WLAN of second embodiment according to the present invention, comprising:
Step 702, communication resource distribution message frame is received, includes first identifier in the communication resource distribution message frame
Position, the first identifier position is used to indicate the size for the F-MSDU that each website adds in the data frame of generation, the F-
MSDU is for making each website occupy identical transmission duration when sending the data frame, wherein each website
The size of the F-MSDU added in the data frame of generation is not identical.
Step 704, uplink data frames are generated, include MSDU and after the MSDU in the uplink data frames
The F-MSDU's that size and the first identifier position of F-MSDU, the F-MSDU in the uplink data frames indicate is in the same size.
Step 706, based on the communication resource indicated by the communication resource distribution message frame, the upstream data is sent
Frame.
Wherein, the executing subject of communication means shown in fig. 7 can be mobile phone or PDA (Personal Digital
Assistant, palm PC) etc..
In the technical scheme, by the size and the communication resource point of the F-MSDU added in the uplink data frames of generation
F-MSDU's with the first identifier position instruction in message frame is in the same size, enables website according to the instruction of access point come really
It protects the data frame generated and occupies identical transmission duration with the data frame of other websites when sending, on the one hand make to access in this way
Point can be convenient on the other hand can also ensure that each website makes full use of access as much as possible to website allocation of transmission resources
The distributed transfer resource of point, reduces the waste of frequency spectrum resource, meets the communication requirement of 802.11ax, is conducive to improve area
The handling capacity in domain.Preferably, the F-MSDU in data frame that website generates should use identical MCS with MSDU.
Wherein, size represented by first identifier position can be 128 bytes, 256 bytes or 512 bytes, for example indicate
The size for the F-MSDU that website 1 can add is 128 bytes, and indicates that the size of the F-MSDU that website 2 can add is
512 bytes do not limit to only 2 websites certainly, can be multiple websites.
In the above-mentioned technical solutions, it is preferable that it further include having second identifier position in the communication resource distribution message frame, institute
State the number that second identifier position is used to indicate the F-MSDU that each website adds in the data frame of generation；Institute
The number for stating the F-MSDU for including in uplink data frames is consistent with the number of F-MSDU that the second identifier position indicates.
In the technical scheme, it is indicated by the number and second identifier position that make the F-MSDU for including in uplink data frames
The number of F-MSDU is consistent, makes it possible to guarantee based on the size of the F-MSDU of access point instruction and number that each website generates
Data frame transmission when can occupy identical transmission duration.
Fig. 8 shows the schematic block diagram of the communication device of the WLAN of second embodiment according to the present invention.
As shown in figure 8, the communication device 800 of the WLAN of second embodiment according to the present invention, comprising: receive
Unit 802, generation unit 804 and transmission unit 806.
Wherein, receiving unit 802 wraps in the communication resource distribution message frame for receiving communication resource distribution message frame
Containing first identifier position, the first identifier position is used to indicate the big of the F-MSDU that each website adds in the data frame of generation
Small, the F-MSDU is for making each website occupy identical transmission duration when sending the data frame, wherein described
The size for the F-MSDU that each website adds in the data frame of generation is not identical；Generation unit 804 is for generating upstream data
Frame includes MSDU and the F-MSDU after the MSDU, the F- in the uplink data frames in the uplink data frames
The F-MSDU's that the size of MSDU is indicated with the first identifier position is in the same size；Transmission unit 806 is used to be based on the communication
The communication resource indicated by resource allocation message frame sends the uplink data frames.
In specific implementation, receiving unit 802 can be receiver or antenna；Generation unit 804 can be signal processing
Device, central processing unit or baseband processor etc.；Transmission unit 806 can be transmitter (Transmitter) or antenna.
In the technical scheme, by the size and the communication resource point of the F-MSDU added in the uplink data frames of generation
F-MSDU's with the first identifier position instruction in message frame is in the same size, enables website according to the instruction of access point come really
It protects the data frame generated and occupies identical transmission duration with the data frame of other websites when sending, on the one hand make to access in this way
Point can be convenient on the other hand can also ensure that each website makes full use of access as much as possible to website allocation of transmission resources
The distributed transfer resource of point, reduces the waste of frequency spectrum resource, meets the communication requirement of 802.11ax, is conducive to improve area
The handling capacity in domain.Preferably, the F-MSDU in data frame that website generates should use identical MCS with MSDU.
Wherein, size represented by first identifier position can be 128 bytes, 256 bytes or 512 bytes, for example indicate
The size for the F-MSDU that website 1 can add is 128 bytes, and indicates that the size of the F-MSDU that website 2 can add is
512 bytes do not limit to only 2 websites certainly, can be multiple websites.
In the above-mentioned technical solutions, it is preferable that it further include having second identifier position in the communication resource distribution message frame, institute
State the number that second identifier position is used to indicate the F-MSDU that each website adds in the data frame of generation；Institute
The number for stating the F-MSDU for including in uplink data frames is consistent with the number of F-MSDU that the second identifier position indicates.
In the technical scheme, it is indicated by the number and second identifier position that make the F-MSDU for including in uplink data frames
The number of F-MSDU is consistent, makes it possible to guarantee based on the size of the F-MSDU of access point instruction and number that each website generates
Data frame transmission when can occupy identical transmission duration.
Fig. 9 shows the schematic block diagram of the website of embodiment according to the present invention.
As shown in figure 9, the website 900 of embodiment according to the present invention, comprising: WLAN as shown in Figure 8
Communication device 800.
Figure 10 shows the schematic flow diagram of the communication means of the WLAN of third embodiment according to the present invention.
As shown in Figure 10, the communication means of the WLAN of third embodiment according to the present invention, comprising:
Step 1001, website 2 sends resource allocation request to access point 1.It may include website 2 in the resource allocation request
The resource of request and the size of data of required transmission.
Step 1002, access point 1 receives resource allocation request.
Step 1003, access point 1 generates communication resource distribution message frame according to resource allocation request.Wherein, the communication resource
It include the first identifier for being used to indicate the size that each website adds F-MSDU in the data frame of generation in assignment messages frame
Why position makes website add F-MSDU, is when can occupy identical transmission for the data frame for guaranteeing that each website generates
It is long, wherein the size for the F-MSDU that each website adds in the data frame of generation is not identical.
Meanwhile can also be comprising second identifier position in communication resource distribution message frame, which is used to indicate
The number for the F-MSDU that each website adds in the data frame of generation.Wherein, indicate each website in the data frame of generation
The number of the F-MSDU of addition can occupy identical transmission duration also for the data frame that can guarantee that each website generates.
As an embodiment of the present invention, first identifier position and second identifier position can be set and disappear in communication resource distribution
It ceases in the Per User Info subdomain in frame.
Step 1004, access point 1 sends communication resource distribution message frame.
Step 1005, website 2 receives communication resource distribution message frame.
Step 1006, website 2 gets the size of transfer resource and F-MSDU and a from communication resource distribution message frame
Number.
Step 1007, website 2 is generated according to the size and number of the F-MSDU indicated in communication resource distribution message frame
Row data frame.Wherein, the F-MSDU that website 2 adds in uplink data frames should be with the MSDU in uplink data frames using identical
MCS, if the size and number of the F-MSDU indicated according to access point 1 cannot be guaranteed that the data frame that each website generates occupies phase
Same transmission duration can then be filled uplink data frames with Packet extension to ensure that each website generates
Data frame in transmission the transmission duration that occupies it is consistent.
Step 1008, website 2 sends uplink data frames based on the transfer resource distributed in communication resource distribution message frame.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, and the invention proposes a kind of new WLANs
The communication plan F-MSDU that enables access point to indicate that each website adds in the data frame of generation size, to guarantee
Each website occupies identical transmission duration in transmitting data frame, and then ensures that each website makes full use of as much as possible and connect
The transfer resource that access point is distributed reduces the waste of frequency spectrum resource, meets the communication requirement of 802.11ax, is conducive to improve
The handling capacity in region.
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 (14)
1. a kind of communication means of WLAN characterized by comprising
Communication resource distribution message frame is generated, includes first identifier position in the communication resource distribution message frame, described first
Marker is used to indicate the size for the F-MSDU that each website adds in the data frame of generation, and the F-MSDU is described for making
Each website occupies identical transmission duration when sending the data frame, wherein data frame of each website in generation
The size of the F-MSDU of middle addition is not identical；
Send the communication resource distribution message frame；
Further include:
According to the size of data that the transfer resource of each site requests and each website need to transmit, described in generation
Communication resource distribution message frame.
2. the communication means of WLAN according to claim 1, which is characterized in that the communication resource distribution message
It also include second identifier position in frame, the second identifier position is used to indicate each website in the data frame of generation
The number of the F-MSDU of addition.
3. the communication means of WLAN according to claim 2, which is characterized in that disappear in the communication resource distribution
The first identifier position and the second identifier position are set in each user information subdomain in breath frame.
4. the communication means of WLAN according to any one of claim 1 to 3, which is characterized in that described first
When the value of marker is the first value, the size for the F-MSDU that instruction website adds in the data frame of generation is 128 bytes；It is described
When the value of first identifier position is second value, the size for the F-MSDU that instruction website adds in the data frame of generation is 256 bytes；
When the value of the first identifier position is third value, the size for the F-MSDU that instruction website adds in the data frame of generation is 512
Byte.
5. a kind of communication means of WLAN characterized by comprising
Communication resource distribution message frame is received, includes first identifier position in the communication resource distribution message frame, described first
Marker is used to indicate the size for the F-MSDU that each website adds in the data frame of generation, and the F-MSDU is described for making
Each website occupies identical transmission duration when sending the data frame, wherein data frame of each website in generation
The size of the F-MSDU of middle addition is not identical；
Uplink data frames are generated, include MSDU and the F-MSDU after the MSDU in the uplink data frames, it is described
The F-MSDU's that the size of F-MSDU in uplink data frames is indicated with the first identifier position is in the same size；
Based on the communication resource indicated by the communication resource distribution message frame, the uplink data frames are sent；
The communication resource distribution message frame is the transfer resource and each website need according to each site requests
The size of data to be transmitted generates.
6. the communication means of WLAN according to claim 5, which is characterized in that the communication resource distribution message
It further include having second identifier position in frame, the second identifier position is used to indicate each website in the data frame of generation
The number of the F-MSDU of addition；
The number for the F-MSDU for including in the uplink data frames is consistent with the number of F-MSDU that the second identifier position indicates.
7. a kind of communication device of WLAN characterized by comprising
Generation unit includes the first mark in the communication resource distribution message frame for generating communication resource distribution message frame
Know position, the first identifier position is used to indicate the size for the F-MSDU that each website adds in the data frame of generation, the F-
MSDU is for making each website occupy identical transmission duration when sending the data frame, wherein each website
The size of the F-MSDU added in the data frame of generation is not identical；
Transmission unit, for sending the communication resource distribution message frame；
The generation unit is specifically used for:
According to the size of data that the transfer resource of each site requests and each website need to transmit, described in generation
Communication resource distribution message frame.
8. the communication device of WLAN according to claim 7, which is characterized in that the communication resource distribution message
It also include second identifier position in frame, the second identifier position is used to indicate each website in the data frame of generation
The number of the F-MSDU of addition.
9. the communication device of WLAN according to claim 8, which is characterized in that disappear in the communication resource distribution
The first identifier position and the second identifier position are set in each user information subdomain in breath frame.
10. the communication device of WLAN according to any one of claims 7 to 9, which is characterized in that described first
When the value of marker is the first value, the size for the F-MSDU that instruction website adds in the data frame of generation is 128 bytes；It is described
When the value of first identifier position is second value, the size for the F-MSDU that instruction website adds in the data frame of generation is 256 bytes；
When the value of the first identifier position is third value, the size for the F-MSDU that instruction website adds in the data frame of generation is 512
Byte.
11. a kind of communication device of WLAN characterized by comprising
Receiving unit includes the first mark in the communication resource distribution message frame for receiving communication resource distribution message frame
Know position, the first identifier position is used to indicate the size for the F-MSDU that each website adds in the data frame of generation, the F-
MSDU is for making each website occupy identical transmission duration when sending the data frame, wherein each website
The size of the F-MSDU added in the data frame of generation is not identical；
Generation unit includes MSDU for generating uplink data frames, in the uplink data frames and is located at after the MSDU
F-MSDU, the size one of the F-MSDU of the size of the F-MSDU in the uplink data frames and first identifier position instruction
It causes；
Transmission unit, for sending the upstream data based on the communication resource indicated by the communication resource distribution message frame
Frame；
The communication resource distribution message frame is the transfer resource and each website need according to each site requests
The size of data to be transmitted generates.
12. the communication device of WLAN according to claim 11, which is characterized in that the communication resource distribution disappears
Ceasing in frame further includes having second identifier position, and the second identifier position is used to indicate each website in the data frame of generation
The number of the F-MSDU of middle addition；
The number for the F-MSDU for including in the uplink data frames is consistent with the number of F-MSDU that the second identifier position indicates.
13. a kind of access point characterized by comprising WLAN as described in any one of claim 7 to 10 it is logical
T unit.
14. a kind of website characterized by comprising the communication device of the WLAN as described in claim 11 or 12.
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