CN106060942A - Wireless local area network communication method, communication device and access point - Google Patents
Wireless local area network communication method, communication device and access point Download PDFInfo
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- CN106060942A CN106060942A CN201610374922.8A CN201610374922A CN106060942A CN 106060942 A CN106060942 A CN 106060942A CN 201610374922 A CN201610374922 A CN 201610374922A CN 106060942 A CN106060942 A CN 106060942A
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- subdomain
- message frame
- sig
- communication resource
- frame
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Classifications
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W84/00—Network topologies
- H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
- H04W84/10—Small scale networks; Flat hierarchical networks
- H04W84/12—WLAN [Wireless Local Area Networks]
Abstract
The invention provides a wireless local area network communication method, a communication device and an access point. The wireless local area network communication method comprises steps: a communication resource allocation message frame is generated, wherein the communication resource allocation message frame comprises an MAC data sub domain and a flag, the flag is used for indicating the communication resource allocation message frame does not comprise an SIG-B sub domain, and the MAC data sub domain and the SIG-B sub domain are used for indicating transmission resources allocated to a site; and the communication resource allocation message frame is sent. According to the technical scheme of the invention, the SIG-B sub domain is not set by the access point when the communication resource allocation message frame is generated, unnecessary resource overhead is reduced, and the effective frequency utilization rate is improved.
Description
Technical field
The present invention relates to communication technical field, in particular to the communication means, a kind of wireless of a kind of WLAN
The communicator of LAN and a kind of access point.
Background technology
In May, 2013,802.11 have set up Wi-Fi of future generation (Wireless Fidelity, Wireless Fidelity) technology
Seminar HEW (High efficiency WLAN, efficient WLAN), i.e. 802.11ax, main research point is to improve
The handling capacity of existing Wi-Fi technology, effective utilization ratio of raising frequency spectrum, raising Consumer's Experience and service quality Q oE
(Quality of Experience), and realize adapting to the communication environment of more crypto set than existing Wi-Fi technology.
In the 802.11ax standard, it is stipulated that OFDMA (Orthogonal Frequency Division will be used
Multiple Access, OFDM) technology makes multi-user set up with AP (Access Point, access point) simultaneously
Communication.In order to make OFDMA technology be applied, a kind of new resource allocation message frame defined in 802.11ax standard, it is referred to as
Trigger frame, after STA (Station, work station, referred to as website) receives resource allocation message frame, disappears according to resource distribution
In breath frame, the transfer resource of instruction sends upstream data.
Meanwhile, in the relevant manuscript of 802.11ax standard, the ascending resource distributing each website is not only in trigger frame
MAC (Media Access Control, media interviews control) part be made that definition, and at the physical frame of trigger frame
SIG-B subdomain in Tou being made that, definition, the most this mode are to repeat again, therefore needs the frame to whole trigger frame
Form does the definition made new advances.
Summary of the invention
The present invention is based at least one above-mentioned technical problem, it is proposed that the communication party of a kind of new WLAN
Case so that access point can be not provided with SIG-B subdomain when generating communication resource distribution message frame, decreases unnecessary resource
Expense, improves the effective rate of utilization of frequency.
In view of this, according to the first aspect of the invention, it is proposed that the communication means of a kind of WLAN, including: raw
Become communication resource distribution message frame, described communication resource distribution message frame includes MAC data subdomain and flag, described mark
Know position to be used for indicating in described communication resource distribution message frame and do not contain SIG-B subdomain, described MAC data subdomain and described SIG-
The transfer resource that B subdomain distributes to website for instruction；Send described communication resource distribution message frame.
In this technical scheme, owing to the MAC data subdomain in communication resource distribution message frame has been able to instruction to station
The transfer resource of some distribution, therefore by being provided for instruction communication resource distribution in the communication resource distribution message frame generated
Message frame does not contains SIG-B subdomain, on the one hand makes access point can be not provided with when generating communication resource distribution message frame
SIG-B subdomain, decreases unnecessary resource overhead, improves the effective rate of utilization of frequency, on the other hand also is able to communicate
Resource allocation message frame does not contains SIG-B subdomain and notifies to website, it is ensured that website is correctly to communication resource distribution message frame
Resolve.
Wherein, when described transfer resource includes station transmission upstream data, the bandwidth resources of access point distribution, website are adopted
MCS (Modulation and Coding Scheme, modulation and coding strategy) parameter, the distribution information of wireless resource block
And spatial reuse information etc..
In technique scheme, it is preferable that described communication resource distribution message frame also includes L-STF/LTF
Territory, L-SIG subdomain and SIG-A subdomain.Wherein, to be Legacy Short Training Field (traditional for L-STF subdomain
Short Training field)；L-LTF subdomain is Legacy Long Training Field (traditional long training field)；L-SIG
Territory is Legacy Signal Field (traditional signal field).
In technique scheme, it is preferable that described flag includes the one or more bits in described SIG-A subdomain
Position.
In any of the above-described technical scheme, it is preferable that described communication resource distribution message frame is that multicast message frame, clean culture disappear
Breath frame or broadcast message frame.
Wherein, when described communication resource distribution message frame is unicast messages frame, described flag is described SIG-A subdomain
In the bit of Format field.
Specifically, can represent that communication resource distribution message frame is single user message frame by Format field, also can represent
If this single user message frame is communication resource distribution message frame, it does not comprise signal domain SIG-B subdomain, such as works as bit
When position is " 1 ", represents that communication resource distribution message frame is single user message frame, and do not comprise signal domain SIG-B subdomain.
According to the second aspect of the invention, it is also proposed that the communicator of a kind of WLAN, including: signal generating unit,
For generating communication resource distribution message frame, described communication resource distribution message frame includes MAC data subdomain and flag,
Described flag is used for indicating in described communication resource distribution message frame and does not contains SIG-B subdomain, described MAC data subdomain and institute
State SIG-B subdomain for instruction to the transfer resource of website distribution；Transmitting element, is used for sending described communication resource distribution message
Frame.
In this technical scheme, owing to the MAC data subdomain in communication resource distribution message frame has been able to instruction to station
The transfer resource of some distribution, therefore by being provided for instruction communication resource distribution in the communication resource distribution message frame generated
Message frame does not contains SIG-B subdomain, on the one hand makes access point can be not provided with when generating communication resource distribution message frame
SIG-B subdomain, decreases unnecessary resource overhead, improves the effective rate of utilization of frequency, on the other hand also is able to communicate
Resource allocation message frame does not contains SIG-B subdomain and notifies to website, it is ensured that website is correctly to communication resource distribution message frame
Resolve.
Wherein, when described transfer resource includes station transmission upstream data, the bandwidth resources of access point distribution, website are adopted
MCS parameter, the distribution information of wireless resource block and spatial reuse information etc..
In technique scheme, it is preferable that described communication resource distribution message frame also includes L-STF/LTF
Territory, L-SIG subdomain and SIG-A subdomain.
In technique scheme, it is preferable that described flag includes the one or more bits in described SIG-A subdomain
Position.
In any of the above-described technical scheme, it is preferable that described communication resource distribution message frame is that multicast message frame, clean culture disappear
Breath frame or broadcast message frame.
Wherein, when described communication resource distribution message frame is unicast messages frame, described flag is described SIG-A subdomain
In the bit of Format field.
Specifically, can represent that communication resource distribution message frame is single user message frame by Format field, also can represent
If this single user message frame is communication resource distribution message frame, it does not comprise signal domain SIG-B subdomain, such as works as bit
When position is " 1 ", represents that communication resource distribution message frame is single user message frame, and do not comprise signal domain SIG-B subdomain.
According to the third aspect of the invention we, it is also proposed that a kind of access point, including institute as any one of technique scheme
The communicator of the WLAN stated.
By above technical scheme so that access point can be not provided with SIG-B when generating communication resource distribution message frame
Subdomain, decreases unnecessary resource overhead, improves the effective rate of utilization of frequency.
Accompanying drawing explanation
Fig. 1 shows the schematic flow diagram of the communication means of WLAN according to an embodiment of the invention；
Fig. 2 shows the schematic block diagram of the communicator of WLAN according to an embodiment of the invention；
Fig. 3 shows the schematic block diagram of access point according to an embodiment of the invention；
Fig. 4 shows the frame structure schematic diagram of trigger frame according to an embodiment of the invention.
Detailed description of the invention
In order to be more clearly understood that the above-mentioned purpose of the present invention, feature and advantage, real with concrete below in conjunction with the accompanying drawings
The present invention is further described in detail by mode of executing.It should be noted that in the case of not conflicting, the enforcement of the application
Feature in example and embodiment can be mutually combined.
Elaborate a lot of detail in the following description so that fully understanding the present invention, but, the present invention also may be used
Implementing to use other to be different from other modes described here, therefore, protection scope of the present invention is not by described below
The restriction of specific embodiment.
Fig. 1 shows the schematic flow diagram of the communication means of WLAN according to an embodiment of the invention.
As it is shown in figure 1, the communication means of WLAN according to an embodiment of the invention, including:
Step S10, generates communication resource distribution message frame, includes MAC data in described communication resource distribution message frame
Subdomain and flag, described flag is used for indicating in described communication resource distribution message frame and does not contains SIG-B subdomain, described
The transfer resource that MAC data subdomain and described SIG-B subdomain distribute to website for instruction.
In step slo, divide to website owing to the MAC data subdomain in communication resource distribution message frame has been able to instruction
The transfer resource joined, therefore by being provided for instruction communication resource distribution message in the communication resource distribution message frame generated
Frame does not contains SIG-B subdomain, on the one hand makes access point can be not provided with SIG-B when generating communication resource distribution message frame
Subdomain, decreases unnecessary resource overhead, improves the effective rate of utilization of frequency, on the other hand also is able to divide the communication resource
Join and message frame does not contains SIG-B subdomain notify to website, it is ensured that communication resource distribution message frame is correctly solved by website
Analysis.
Wherein, when described transfer resource includes station transmission upstream data, the bandwidth resources of access point distribution, website are adopted
MCS parameter, the distribution information of wireless resource block and spatial reuse information etc..
In one embodiment of the invention, communication resource distribution message frame also includes L-STF/LTF subdomain, L-
SIG subdomain and SIG-A subdomain.
In technique scheme, it is preferable that described flag includes the one or more bits in described SIG-A subdomain
Position.
In any of the above-described technical scheme, it is preferable that described communication resource distribution message frame is that multicast message frame, clean culture disappear
Breath frame or broadcast message frame.
Wherein, when described communication resource distribution message frame is unicast messages frame, described flag is described SIG-A subdomain
In the bit of Format field.
Specifically, can represent that communication resource distribution message frame is single user message frame by Format field, also can represent
If this single user message frame is communication resource distribution message frame, it does not comprise signal domain SIG-B subdomain, such as works as bit
When position is " 1 ", represents that communication resource distribution message frame is single user message frame, and do not comprise signal domain SIG-B subdomain.
Step S12, sends described communication resource distribution message frame.
Wherein, the executive agent of the communication means shown in Fig. 1 can be router etc..
Fig. 2 shows the schematic block diagram of the communicator of WLAN according to an embodiment of the invention.
As in figure 2 it is shown, the communicator 200 of WLAN according to an embodiment of the invention, including: signal generating unit
202 and transmitting element 204.
Wherein, signal generating unit 202 is used for generating communication resource distribution message frame, wraps in described communication resource distribution message frame
Containing MAC data subdomain and flag, described flag is used for indicating in described communication resource distribution message frame and does not contains SIG-B
The transfer resource that subdomain, described MAC data subdomain and described SIG-B subdomain distribute to website for instruction；Transmitting element 204 is used
In sending described communication resource distribution message frame.
When implementing, signal generating unit 202 can be signal processor, central processing unit or baseband processor；Send
Unit 204 can be transmitter (Transmitter) or antenna.
In this technical scheme, owing to the MAC data subdomain in communication resource distribution message frame has been able to instruction to station
The transfer resource of some distribution, therefore by being provided for instruction communication resource distribution in the communication resource distribution message frame generated
Message frame does not contains SIG-B subdomain, on the one hand makes access point can be not provided with when generating communication resource distribution message frame
SIG-B subdomain, decreases unnecessary resource overhead, improves the effective rate of utilization of frequency, on the other hand also is able to communicate
Resource allocation message frame does not contains SIG-B subdomain and notifies to website, it is ensured that website is correctly to communication resource distribution message frame
Resolve.
Wherein, when described transfer resource includes station transmission upstream data, the bandwidth resources of access point distribution, website are adopted
MCS parameter, the distribution information of wireless resource block and spatial reuse information etc..
In technique scheme, it is preferable that described communication resource distribution message frame also includes L-STF/LTF
Territory, L-SIG subdomain and SIG-A subdomain.
In technique scheme, it is preferable that described flag includes the one or more bits in described SIG-A subdomain
Position.
In any of the above-described technical scheme, it is preferable that described communication resource distribution message frame is that multicast message frame, clean culture disappear
Breath frame or broadcast message frame.
Wherein, when described communication resource distribution message frame is unicast messages frame, described flag is described SIG-A subdomain
In the bit of Format field.
Specifically, can represent that communication resource distribution message frame is single user message frame by Format field, also can represent
If this single user message frame is communication resource distribution message frame, it does not comprise signal domain SIG-B subdomain, such as works as bit
When position is " 1 ", represents that communication resource distribution message frame is single user message frame, and do not comprise signal domain SIG-B subdomain.
Fig. 3 shows the schematic block diagram of access point according to an embodiment of the invention.
As it is shown on figure 3, access point 300 according to an embodiment of the invention, including: WLAN as shown in Figure 2
Communicator 200.
In sum, no matter technical scheme is broadcast trigger frame, clean culture trigger frame if mainly proposing, or
Multicast trigger frame, its transmission be all without on SIG-B subdomain.Specifically, as shown in Figure 4, the structure of trigger frame includes: L-
STF/LTF subdomain, L-SIG subdomain, SIG-A subdomain and MAC data subdomain.Wherein, the transfer resource to website distribution is at MAC
Indicating in data subdomain, SIG-A subdomain can be HE (High efficiency) SIG-A subdomain.
Why AP, when encapsulating trigger frame, without upper SIG-B subdomain, is because in the MAC data subdomain of trigger frame
Identified the ascending resource to website distribution, (Modulation and Coding Scheme, modulates and encodes plan MCS
Slightly) mode etc. carries out the call parameter of transmitting uplink data.
Additionally, trigger frame can also add the mark without SIG-B subdomain, specifically:
If multicast trigger frame, then in SIG-A subdomain bit is can use to identify it without SIG-B subdomain；As
Fruit is clean culture trigger frame, then can identify it without SIG-B subdomain, other station with the Format bit in SIG-A subdomain
Point is resolved to uplink data frames based on trigger frame when receiving trigger frame.
Owing to the SIG-B subdomain in trigger frame has generally taken up the length of 4 μ s, therefore the present invention is ensureing that the communication resource divides
Join message frame and can save SIG-B subdomain on the premise of website distribution transmission, it is possible to save a large amount of unnecessary resource overhead,
Connect and improve region handling capacity.
Technical scheme being described in detail above in association with accompanying drawing, the present invention proposes a kind of new WLAN
Communication plan so that access point can generate communication resource distribution message frame time be not provided with SIG-B subdomain, decreasing need not
The resource overhead wanted, improves the effective rate of utilization of frequency.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, that is made any repaiies
Change, equivalent, improvement etc., should be included within the scope of the present invention.
Claims (11)
1. the communication means of a WLAN, it is characterised in that including:
Generate communication resource distribution message frame, described communication resource distribution message frame include MAC data subdomain and flag,
Described flag is used for indicating in described communication resource distribution message frame and does not contains SIG-B subdomain, described MAC data subdomain and institute
State SIG-B subdomain for instruction to the transfer resource of website distribution；
Send described communication resource distribution message frame.
The communication means of WLAN the most according to claim 1, it is characterised in that described communication resource distribution message
Frame also includes L-STF/LTF subdomain, L-SIG subdomain and SIG-A subdomain.
The communication means of WLAN the most according to claim 2, it is characterised in that described flag includes described
One or more bits in SIG-A subdomain.
The communication means of WLAN the most according to claim 3, it is characterised in that described communication resource distribution message
When frame is unicast messages frame, described flag is the bit of the Format field in described SIG-A subdomain.
The communication means of WLAN the most according to any one of claim 1 to 3, it is characterised in that described communication
Resource allocation message frame is multicast message frame, unicast messages frame or broadcast message frame.
6. the communicator of a WLAN, it is characterised in that including:
Signal generating unit, is used for generating communication resource distribution message frame, includes MAC data in described communication resource distribution message frame
Subdomain and flag, described flag is used for indicating in described communication resource distribution message frame and does not contains SIG-B subdomain, described
The transfer resource that MAC data subdomain and described SIG-B subdomain distribute to website for instruction；
Transmitting element, is used for sending described communication resource distribution message frame.
The communicator of WLAN the most according to claim 6, it is characterised in that described communication resource distribution message
Frame also includes L-STF/LTF subdomain, L-SIG subdomain and SIG-A subdomain.
The communicator of WLAN the most according to claim 7, it is characterised in that described flag includes described
One or more bits in SIG-A subdomain.
The communicator of WLAN the most according to claim 8, it is characterised in that described communication resource distribution message
When frame is unicast messages frame, described flag is the bit of the Format field in described SIG-A subdomain.
10. according to the communicator of the WLAN according to any one of claim 6 to 9, it is characterised in that described communication
Resource allocation message frame is multicast message frame, unicast messages frame or broadcast message frame.
11. 1 kinds of access points, it is characterised in that including: leading to of the WLAN as according to any one of claim 6 to 10
T unit.
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| CN201610374922.8A CN106060942A (en) | 2016-05-30 | 2016-05-30 | Wireless local area network communication method, communication device and access point |
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| CN201610374922.8A CN106060942A (en) | 2016-05-30 | 2016-05-30 | Wireless local area network communication method, communication device and access point |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018121177A1 (en) * | 2016-12-30 | 2018-07-05 | 中兴通讯股份有限公司 | Spatial reuse method and device |
| CN108271263A (en) * | 2016-12-30 | 2018-07-10 | 中兴通讯股份有限公司 | The method and device of spatial reuse |
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Application publication date: 20161026 |