CN106465040A

CN106465040A - Method for resource allocation, access point and station

Info

Publication number: CN106465040A
Application number: CN201480078569.8A
Authority: CN
Inventors: 树贵明; 丁志明; 容志刚
Original assignee: Huawei Technologies Co Ltd
Current assignee: Chengdu Rural Property Exchange Co ltd; Guangzhou Fangwei Information Technology Co ltd
Priority date: 2014-12-12
Filing date: 2014-12-12
Publication date: 2017-02-22
Anticipated expiration: 2034-12-12
Also published as: WO2016090643A1; CN106465040B

Abstract

Provided are a method for resource allocation, an access point and a station, which are used for rationally and efficiently allocating uplink channel resources. The method comprises: an access point sends a first downlink frame, wherein the first downlink frame contains first indication information, the first indication information is used for indicating to a station information about a random access resource block contained in a channel resource, the random access resource block comprises at least one transmission resource unit, and the transmission resource unit is used for sending a first indication message by the station; the access point receives the first indication message sent by the station via the transmission resource unit, wherein the first indication message indicates that the station has an uplink channel resource demand; the access point verifies whether the first indication message is valid; and if so, an uplink channel resource is then allocated to the station according to the first indication message. In this way, the query efficiency is improved, and thus the channel resource allocation efficiency is improved; and meanwhile, an access point can rationally allocate uplink channel resources of various stations according to actual situations, which saves channel resources and system overheads.

Description

A kind of method for resource allocation, access point and website

Technical field

The present invention relates to the communications field, particularly a kind of method for resource allocation, access point and website.

Background technology

Due to the continuous progress of radio network technique, radio communication has become one of the most commonly used communication technology of people, in a wireless local area network, current IEEE (Institute of Electrical and Electronics Engineers, Institute of Electrical and Electric Engineers) 802.11 standards it is widely used be based on competition CSMA/CA (Carrier Sense Multiple Access with Collision Detection, Carrier Sense Multiple Access/conflict avoidance) MAC (Media Access Control, medium access control) mechanism, or OFDM (Orthogonal Frequency Division Multiplexing, OFDM)+MIMO (Multi-input Multi-output, multiple-input and multiple-output) mechanism, in order to further improve the handling capacity and Consumer's Experience of network, new MAC and physical layer access technology need to be introduced, one kind can selecting technology be OFDMA (orthogonal frequency-time multiple access Orthogonal Frequency Division Multiple Access).It is a kind of to realize that the scheme being allocated to uplink channel resources is as follows in order to realize uplink based on OFDMA in WiFi (Wireless-Fidelity, Wireless Fidelity) network：

In the prior art, according to the related standards (such as IEEE 802.11) of existing WiFi, AP (Access Point, access point) STA (Station of association can be inquired about one by one using the channel access mechanisms of time-division, website) up data cached information, AP often accesses a STA associated by it, the STA then returns to up data cached information to AP, AP is further continued for accessing next STA associated by it, need to consume too many channel resource and overhead by this inquiry mechanism, cause the efficiency of channel resource allocation very low.

The content of the invention

The embodiments of the invention provide a kind of method for resource allocation, access point and website, it can be achieved rationally efficiently to be allocated uplink channel resources.

First aspect of the embodiment of the present invention provides a kind of method for resource allocation, including：

Access point sends the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sends the first instruction message；

The first instruction message that the first website that described access point is received at least one described website by a transfer resource unit at least one described transfer resource unit is sent；

The first instruction message is used to indicate that first website has uplink channel resources demand, and the first instruction message includes the identification information of first website；

Whether described access point checking the first instruction message is effective first instruction message, if so, being then that first website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message.

With reference to the first aspect of the embodiment of the present invention, in the first implementation of first aspect of the embodiment of the present invention, the first instruction message that the first website that described access point is received at least one described website by a transfer resource unit at least one described transfer resource unit is sent includes：

Described access point by provided with a transfer resource unit at least one transfer resource unit described in sequence number receive the first website at least one website by according to default rule from it is described be provided with least one transfer resource unit described in sequence number in described first indicate message transmitted by a transfer resource unit selecting.

With reference to the first implementation of the first aspect of the embodiment of the present invention, in second of implementation of first aspect of the embodiment of the present invention, whether described access point checking the first instruction message is that effective first instruction message is specifically included：

Described access point calculates the respective value of the identification information of the website by the preset rules；

Judge that the respective value receives described first with described access point and indicates whether the transfer resource unit number that message passed through is corresponding, if correspondence, it is determined that described first indicates that message is the effective first instruction message；If not corresponding to, it is determined that described first indicates that message is the invalid first instruction message.

The first implementation of first aspect, first aspect with reference to the embodiment of the present invention and second of implementation of first aspect, it is that the first website distribution uplink channel resources include in the third implementation of first aspect of the embodiment of the present invention, in the uplink scheduling phase of the channel resource according to the described first instruction message in described access point：

Described access point is according to the uplink channel resources that the described first instruction message is that first website distributes preset length within the uplink scheduling phase of the channel resource of described access point；Or, size or first website of the first instruction message also including the uplink channel resources required for the website need the data cached size of uplink, the size or first website of uplink channel resources of the described access point according to required for first website included in the described first instruction message need the data cached size of uplink, in institute For the uplink channel resources needed for first website is distributed in the uplink scheduling phase for the channel resource for stating access point.

The first implementation of first aspect, first aspect with reference to the embodiment of the present invention and second of implementation of first aspect, in the 4th kind of implementation of first aspect of the embodiment of the present invention, after described access point receives the first instruction message that first website is sent by a transfer resource unit at least one described transfer resource unit, methods described also includes：

Described access point sends the second downlink frame to first website, and second downlink frame includes the second configured information, and second configured information is used to indicate to send the second channel resource for indicating message for first website for first website；The size or first website of uplink channel resources required for the second instruction message carrying, first website need the data cached size of uplink；

Described access point receives the second instruction message transmitted by channel resource of first website according to indicated by second configured information；

It is that the website distribution uplink channel resources include in the uplink scheduling phase of the channel resource according to the described first instruction message in described access point：

The size or first website of uplink channel resources of the described access point according to required for first website included in the described second instruction message need the data cached size of uplink, and uplink channel resources are distributed to first website within the uplink scheduling phase of the channel resource of described access point.

The first implementation of first aspect, first aspect with reference to the embodiment of the present invention and second of implementation of first aspect, in the 5th kind of implementation of first aspect of the embodiment of the present invention, flag bit and indicating bit are carried in the SIG fields on the physical frame head of first downlink frame or in physical frame data division, the flag bit is used for instruction and includes random access resource block within the uplink scheduling phase of channel resource, and the indicating bit is used for the information for indicating random access resource block.

Second aspect of the embodiment of the present invention provides a kind of method for resource allocation, including：

Website receives the first downlink frame that access point is sent, first downlink frame includes the first configured information, first configured information is used to be to indicate the information of random access resource block that includes within the uplink scheduling phase of the channel resource of described access point including at least one website including the website, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sent for indicating that website has the first instruction message of uplink channel resources demand；

The website selects a transfer resource unit from the random access resource block；

The website sends described first to access point by selected transfer resource unit and indicates message, institute Stating the first instruction message includes the identification information of the website, it is that the website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message during so that described access point checking described first indicating that message indicates message for effective first.

With reference to the second aspect of the embodiment of the present invention, in the first implementation of second aspect of the embodiment of the present invention, the website selects a transfer resource unit to include from the random access resource block：

The website calculates the respective value of the identification information of the website by preset rules；

The website from the random access resource block according to the respective value, from random access resource block include be provided with least one transfer resource unit described in sequence number in a selection sequence number transfer resource unit corresponding with the respective value.

With reference to the second aspect and the first implementation of second aspect of the embodiment of the present invention, in second of implementation of second aspect of the embodiment of the present invention, after the website sends the first instruction message by the transfer resource unit of the selection to access point, methods described also includes：

The website receives the second downlink frame that described access point is sent, and second downlink frame includes the second configured information, and it is that the website indicates to send the second channel resource for indicating message for the website that second configured information, which is used for described access point,；The size of uplink channel resources required for the second instruction message carrying website；

Channel resource of the website according to indicated by second configured information sends described second to described access point and indicates message, so as to the size of uplink channel resources of the described access point according to required for the website included in the described second instruction message, the uplink channel resources needed for being distributed within the uplink scheduling phase of the channel resource of described access point to the website.

With reference to the second aspect and the first implementation of second aspect of the embodiment of the present invention, in the third implementation of second aspect of the embodiment of the present invention, before the website selects a transfer resource unit from the random access resource block, methods described also includes：

If the website and described access point are not associated, the website obtains temporary mark information out of identifier space, and the identification information of the website is specially the temporary mark information.

The third aspect of the embodiment of the present invention provides a kind of access point for resource allocation, including：

First transmitting element, for sending the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sends the first finger Show message；

First receiving unit, the first instruction message that the first website for being received by a transfer resource unit at least one described transfer resource unit at least one described website is sent；The first instruction message is used to indicate that first website has uplink channel resources demand, and the first instruction message includes the identification information of first website；

Authentication unit, for verifying whether the first instruction message is effective first instruction message；

Allocation unit, for being that first website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message when the described first instruction message is effective first instruction message.

With reference to the third aspect of the embodiment of the present invention, in the first implementation of the third aspect of the embodiment of the present invention, first receiving module, for by provided with a transfer resource unit at least one transfer resource unit described in sequence number receive the first website at least one website by according to default rule from it is described be provided with least one transfer resource unit described in sequence number in described first indicate message transmitted by a transfer resource unit selecting.

With reference to the third aspect of the embodiment of the present invention and the first implementation of the third aspect, in second of implementation of the third aspect of the embodiment of the present invention, the authentication unit is specifically included：

Computing module, the respective value of the identification information for calculating the website by the preset rules；

Judge module, indicates whether the transfer resource unit number that message passed through is corresponding for judging that the respective value and described access point receive described first；When the respective value and described access point receive described first indicate transfer resource unit number that message passed through to it is corresponding when then determine that described first indicates that message is the effective first instruction message, when the respective value and described access point receive described first indicate transfer resource unit number that message passed through not to it is corresponding when described in first indicate that message is the invalid first instruction message.

With reference to the third aspect of the embodiment of the present invention and the first implementation of the third aspect, in the third implementation of the third aspect of the embodiment of the present invention, the allocation unit includes：

First distribute module, the uplink channel resources for according to the described first instruction message within the uplink scheduling phase of the channel resource of described access point being the first website distribution preset length；Or, size or first website of the first instruction message also including the uplink channel resources required for the website need up pass Defeated data cached size, the size or first website of uplink channel resources of the described access point according to required for first website included in the described first instruction message need the data cached size of uplink, for the uplink channel resources needed for first website is distributed within the uplink scheduling phase of the channel resource of described access point.

With reference to the third aspect of the embodiment of the present invention and the first implementation of the third aspect, in the 4th kind of implementation of the third aspect of the embodiment of the present invention, described access point also includes：

Second transmitting element, after receiving the first instruction message that first website is sent in first receiving unit, the second downlink frame is sent to first website, second downlink frame includes the second configured information, and second configured information is used to indicate to send the second channel resource for indicating message for the website for first website；The size or first website of uplink channel resources required for the second instruction message carrying, first website need the data cached size of uplink；

Second receiving unit, message is indicated for receiving described second transmitted by channel resource of first website according to indicated by second configured information；

The allocation unit includes the second distribute module, size or the website for the uplink channel resources according to required for first website included in the described second instruction message need the data cached size of uplink, and uplink channel resources are distributed to first website within the uplink scheduling phase of the channel resource of described access point.

With reference to the third aspect of the embodiment of the present invention and the first implementation of the third aspect, in the 5th kind of implementation of the third aspect of the embodiment of the present invention, first transmitting element includes：

First sending module, for sending the first downlink frame, flag bit and indicating bit are carried in the SIG fields on the physical frame head of first downlink frame or in physical frame data division, the flag bit is used to indicate to include random access resource block within the uplink scheduling phase of channel resource, the indicating bit is used for the information for indicating random access resource block, the random access resource block includes at least one transfer resource unit, and the transfer resource unit is used for the website and sends the first instruction message.

Fourth aspect of the embodiment of the present invention provides a kind of website for resource allocation, including：

3rd receiving unit, the first downlink frame for receiving access point transmission, first downlink frame includes the first configured information, first configured information is used to be to indicate the information of random access resource block that includes within the uplink scheduling phase of the channel resource of described access point including at least one website including the website, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sent for indicating that website has the first instruction message of uplink channel resources demand；

Selecting unit, for selecting a transfer resource unit from the random access resource block；

3rd transmitting element, message is indicated for sending described first to access point by selected transfer resource unit, the first instruction message includes the identification information of the website, it is that the website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message during so that described access point checking described first indicating that message indicates message for effective first.

With reference to fourth aspect of the embodiment of the present invention, in the first implementation of fourth aspect of the embodiment of the present invention, selecting unit specifically for：

The respective value of the identification information of station is calculated by preset rules, the transfer resource unit corresponding with the respective value provided with selection sequence number at least one transfer resource unit described in sequence number included from random access resource block.

With reference to fourth aspect of the embodiment of the present invention and the first implementation of fourth aspect, in second of implementation of fourth aspect of the embodiment of the present invention, it is characterised in that the website also includes：

4th receiving unit, after the first instruction message being sent for the transfer resource unit by the selection to access point, receive the second downlink frame that described access point is sent, second downlink frame includes the second configured information, and it is that the website indicates to send the second channel resource for indicating message that second configured information, which is used for described access point,；The size of uplink channel resources required for the second instruction message carrying website；

4th transmitting element, described second is sent to described access point indicate message for the channel resource according to indicated by second configured information, so as to the size of uplink channel resources of the described access point according to required for the website included in the described second instruction message, the uplink channel resources needed for being distributed within the uplink scheduling phase of the channel resource of described access point to the website.

With reference to fourth aspect of the embodiment of the present invention and the first implementation of fourth aspect, in the third implementation of fourth aspect of the embodiment of the present invention, the website also includes：

Acquiring unit, before selecting from the random access resource block transfer resource unit for the website, if the website and described access point are not associated, the website obtains temporary mark information out of identifier space, and the identification information of the website is specially the temporary mark information.

The embodiments of the invention provide a kind of method for resource allocation, access point and website, for being rationally efficiently allocated to uplink channel resources, including：Access point sends the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, described to connect at random Entering resource block includes at least one transfer resource unit, at least one described transfer resource unit is used for the website and sends the first instruction message, the first instruction message that the first website that described access point is received at least one described website by a transfer resource unit at least one described transfer resource unit is sent, the first instruction message is used to indicate that first website has uplink channel resources demand, the first instruction message includes the identification information of first website, whether described access point checking the first instruction message is effective first instruction message, if, it is then that first website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message.So, access point need not be as going whether inquiry website has upstream data to send one by one in the prior art, but the first instruction message for indicating that website has upstream data to need transmission that is used for of multiple website transmitted in parallel can be just received by OFDMA mechanism, it can just know which website has upstream data to send quickly, the efficiency of inquiry is improved, and then improves the efficiency of channel resource allocation；Meanwhile, access point can be conducive to saving channel resource and overhead according to the uplink channel resources of each website of actual conditions reasonable distribution.

Brief description of the drawings

In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, the required accompanying drawing used in embodiment or description of the prior art will be briefly described below, apparently, drawings in the following description are only some embodiments of the present invention, for those of ordinary skill in the art, on the premise of not paying creative work, other accompanying drawings can also be obtained according to these accompanying drawings.

Fig. 1 is the schematic diagram of one embodiment of method for resource allocation in the embodiment of the present invention；

Fig. 2 is the schematic diagram of another embodiment of method for resource allocation in the embodiment of the present invention；

Fig. 3 is the schematic diagram of another embodiment of method for resource allocation in the embodiment of the present invention；

Fig. 4 is the schematic diagram of another embodiment of method for resource allocation in the embodiment of the present invention；

Fig. 5 is the schematic diagram of another embodiment of method for resource allocation in the embodiment of the present invention；

Fig. 6 is the schematic diagram of another embodiment of method for resource allocation in the embodiment of the present invention；

Fig. 7 be the embodiment of the present invention in be used for resource allocation access point one embodiment schematic diagram；

Fig. 8 be the embodiment of the present invention in be used for resource allocation access point another embodiment schematic diagram；

Fig. 9 be the embodiment of the present invention in be used for resource allocation access point another embodiment schematic diagram；

Figure 10 be the embodiment of the present invention in be used for resource allocation access point another embodiment schematic diagram；

Figure 11 be the embodiment of the present invention in be used for resource allocation website one embodiment schematic diagram；

Figure 12 be the embodiment of the present invention in be used for resource allocation website another embodiment schematic diagram；

Figure 13 be the embodiment of the present invention in be used for resource allocation access point another embodiment schematic diagram；

Figure 14 be the embodiment of the present invention in be used for resource allocation website another embodiment schematic diagram；

Figure 15 is the schematic diagram of one embodiment of resource allocation apparatus application scenarios in the embodiment of the present invention.

Embodiment

The embodiments of the invention provide a kind of method for resource allocation, access point and website, uplink channel resources must be allocated for rationally efficient.

Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those skilled in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.

It refer to shown in Fig. 1, method for resource allocation one embodiment includes in the embodiment of the present invention：

101st, access point sends the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sends the first instruction message；

In the embodiment of the present invention, in downlink frame, include the information of uplink scheduling phase, the random access resource block that access point distributes for website is contained within the uplink scheduling phase (such as a period of time of corresponding channel spectrum all or in part), it is the random access resource block message that website is distributed that the access point included within the uplink scheduling phase can be specifically indicated on the head of downlink frame, the random access resource block message distributed for website has namely been indicated according to the channel resource window arranged in the uplink scheduling phase on the head of downlink frame, then access point is before the uplink frame that website is sent in the uplink scheduling phase is received, the information for the channel resource window that the uplink scheduling phase includes is determined that out.

102nd, the first instruction message that the first website that described access point is received at least one described website by a transfer resource unit at least one described transfer resource unit is sent；

First instruction message is used to indicate that the website has uplink channel resources demand, and the first instruction message includes the identification information of first website.It is not directly to carry out signal during signal is transmitted Transmission, but signal and the ripple of a fixed frequency are interacted, this process is referred to as loading, the ripple of such a fixed frequency is referred to as carrier wave, one group of subcarrier is a sub-channels, because up data cached with the presence of several websites, need random access resource block being divided into several transfer resource units (such as some sub-channels).Associate it should be noted that random access resource block is special is supplied to access point and not associated website is used for the resource block of access.

103rd, whether described access point checking the first instruction message is effective first instruction message, if so, 104 are then performed, if it is not, can then terminate flow, and such as discardable the first instruction message received；

Because in the transmitting procedure of signal, access point may receive the message transmitted by other incoherent websites, or the interference signal from other communication equipments, in order to ensure the correctness of information, the message received can then be verified, if the first instruction message that the website for being verified as correlation is sent, it is considered that the first instruction message is effectively, then follow-up uplink channel resources batch operation is done.

104th, it is that first website distributes uplink channel resources in the uplink scheduling frame of the channel resource of described access point according to the described first instruction message；

After multiple websites send first to access point and indicate message by the way that OFDMA mechanism is parallel, access point can be according to the uplink channel resources of each website of actual conditions reasonable distribution.

In the embodiment of the present invention, access point sends the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, the transfer resource unit is used for the website and sends the first instruction message, described access point receives the first instruction message that the website is sent by a transfer resource unit in the transfer resource unit, the first instruction message is used to indicate that the website has uplink channel resources demand, the first instruction message includes the identification information of the website, whether described access point checking the first instruction message is effective first instruction message, if, it is then that the website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message.So, access point need not be as going whether inquiry website has upstream data to send one by one in the prior art, in the embodiment of the present invention, access point is broadcasted after first downlink frame, each website for receiving first downlink frame can be according to the information of the random access resource block wherein indicated, on the channel resource corresponding to each website, sent to described access point for indicating that the website has the first instruction message of uplink channel resources demand, access point can receive the be used for first instruction message that indicates website have upstream data need transmission of multiple websites by OFDMA mechanism transmitted in parallel, it can just know which website has upstream data to send quickly, improve pair The efficiency that website is inquired about, and then improve the efficiency of channel resource allocation；Meanwhile, access point can be conducive to saving channel resource and overhead according to the uplink channel resources of each website of actual conditions reasonable distribution.

In above-described embodiment, describe the information that access point indicates to include random access resource block within the uplink scheduling phase of channel resource in downlink frame, access point receives the first instruction message that the website is sent by being divided into the random access resource block of several transfer resource units, in actual applications, access point indicates the information for including random access resource block within the uplink scheduling phase of the channel resource in the physical frame header of downlink frame, described access point receives the website according to the first instruction message transmitted by the transfer resource unit of default rule selection correspondence sequence number by being divided into several transfer resource units provided with sequence number, access point indicates whether message is effective first instruction message by the identification information checking first in the first instruction message.Access point is specifically described to the checking of the first instruction message with the distribution to channel resource below, be refer to shown in Fig. 2, another embodiment of method for resource allocation includes in the embodiment of the present invention：

201st, access point sends the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included in the physical frame header of downlink frame for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sends the first instruction message；

In downlink frame, including uplink scheduling phase information, the random access resource block that access point distributes for website is contained within the uplink scheduling phase (such as a period of time of corresponding channel spectrum all or in part), and indicate that the access point that is included within the uplink scheduling phase is the random access resource block message that website is distributed on the physical frame head of downlink frame, that is, signal channel resource allocation information set according to the channel resource block window arranged in the uplink scheduling phase on the physical frame head of downlink frame.In communication process, website majority have it is up it is data cached need transmission, access point needs to distribute certain channel resource window for the scheduled website (STA) for carrying out uplink, for using channel resource by the website of uplink scheduling, because access point has the priority of higher busy channel resource, so what access point (AP) sent first is descending scheduling frame or data frame, and uplink channel resources configured information is set according to uplink scheduling phase corresponding channel resource window in the descending physical frame header of scheduling frame or the physical frame header of descending data frame.In the present embodiment, AP can be provided in the interim Stochastic accessing that includes of uplink scheduling of physical frame header (physical frame header) or physical frame data division (physical frame data part) indicating channel resource of descending scheduling frame (or descending data frame) The information of source block, physical frame data division is the content of mac layer frame, such as in SIG (signal) region in descending scheduling frame head portion, three binary digits " 011 " can be used, then represent there is the channel resource window for including 3 time slots (time slot) in the beginning of uplink channel resources schedule periods, website by channel resource (transfer resource unit) random access in the channel resource window (random access resource block) of this 3 time slots or can use channel, need to use the website (STA) of channel that one or more subchannels (i.e. subcarrier) may be selected and send message in a corresponding time slot.It should be noted that random access resource block can be the resource block that is associated with access point and not associated website provides channel access and used.

202nd, described access point by provided with a transfer resource unit at least one transfer resource unit described in sequence number receive the first website at least one described website by according to default rule from it is described be provided with least one transfer resource unit described in sequence number in described first indicate message transmitted by a transfer resource unit selecting；

First instruction message is used to indicate that the website has uplink channel resources demand.During signal is transmitted, it is not directly to be transmitted signal, but signal and the ripple of a fixed frequency are interacted, this process is referred to as loading, the ripple of such a fixed frequency is referred to as carrier frequency, one group of subcarrier is a sub-channels, because up data cached with the presence of several station datas, needs random access resource block being divided into several transfer resource units (such as some sub-channels).It is preferred that, several transfer resource units being divided can pre-set sequence number, so that website is selected.First instruction message includes the uplink channel resources information required for the identification information of website, or the identification information and the website of the website.

Because in the transmitting procedure of signal, there can be many scheduling frames and carry out information transfer, access point may receive the message or interference signal transmitted by other incoherent websites, in order to ensure the correctness of information, can then checking determination be carried out to the message received, then do follow-up batch operation.

In order to be verified to the first configured information received by access point, to ensure the validity of the first instruction message, the embodiment of the present invention exemplarily provides a kind of method verified to the first configured information, as shown in step 203 and 204.

203rd, access point calculates the respective value of the identification information of first website by preset rules；

In order to be verified to the configured information received by access point, to ensure the first validity for indicating message, website can select same preset rules to calculate identification information with access point, obtain respective value, as website is calculated the identification information of the website by hash algorithm, cryptographic Hash is obtained, the cryptographic Hash that website can be obtained by calculating selects corresponding transfer resource unit, such as correspondence cryptographic Hash as sequence number Transfer resource unit.For example, identification information can be the association identification for including 16 binary digits of website, the association identification of this 16 binary digits is calculated by hash algorithm, a value for including 8 binary digits is obtained.

204th, judge whether the respective value matches with the sequence number that described access point receives the first instruction transfer resource unit that message passed through, if so, then performing 205；If it is not, can then terminate flow, such as discardable the first instruction message received.

Because website is the transfer resource unit of the unique correspondence sequence number selected according to unique correspondence numerical value of the identification information of website, such as the channel resource window that random access resource block is 3 time slots, each channel resource window is divided into 8 transfer resource units, according still further to 1-8, 9-16, 17-24 order is ranked up, website then can be according to the respective value as above example of the identification information of website " 8 ", and then select No. 8 transfer resource units of correspondence sequence number, first is sent to described access point indicate message by No. 8 transfer resource units, access point can receive the first instruction message that the website is sent by No. 8 transfer resource units.So the respective value that access point can be calculated by the identification information for the website for judging to receive determines whether the first instruction message is effective with whether the sequence number of the transfer resource unit for transmitting the first instruction message matches, i.e., if the order number matches that the respective value can be with the transfer resource unit for receiving the first instruction message, then determine that first indicates that message is effective, if the respective value and the sequence number mismatch for receiving the described first transfer resource unit for indicating message, are invalid.For example, access point receives the first instruction message of No. 8 transfer resource unit transmission (i.e., access point receives the first instruction message by No. 8 transfer resource units), calculating described first indicates the respective value of the related information of website in message for " 8 ", then it represents that the respective value of the related information of the website and the order number matches of the transmission unit.

205th, described access point is the uplink channel resources of the first website distribution preset length within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message；Or, described first indicates that message also includes the size (or first website needs the data cached size of uplink) of the uplink channel resources required for first website, uplink channel resources of the described access point according to needed for being first website distribution in the described first uplink scheduling phase for indicating channel resource of the size of the required uplink channel resources of the first website included in message in described access point；

When multiple websites by OFDMA mechanism it is parallel to access point send first indicate message after, after access point determines that the first instruction message is effective, access point can distribute the uplink channel resources of preset length according to actual conditions to each website, channel resource as averagely distributed 10ms to each website, if part website it is up it is data cached fail disposable end of transmission, can continue in the channel resource of next sub-distribution It is transmitted, or when described first indicate message also include the website required for uplink channel resources information when, can also according to the uplink channel resources information required for the website that includes in the described first instruction message within the uplink scheduling phase of the channel resource of described access point for the uplink channel resources needed for the website is distributed.

In the embodiment of the present invention, access point is received after the first instruction message of website transmission, the identification information of website calculate obtaining respective value, and by the respective value obtained by judgement whether with the sequence number of transfer resource unit whether to should determine that the validity of the first instruction message, so, access point has carried out a verification process to the first instruction message transmitted by website, to ensure that received message be accurate, it is to avoid access point is likely to be received the first instruction message of mistake and unreasonably distributes channel resource.In addition, access point distributes the uplink channel resources of preset length for the website within the uplink scheduling phase according to the first instruction message or is the channel resource needed for the website is distributed according to the ascending resource demand included in the described first instruction message, so, the efficiency of information transfer is improved.

In above-described embodiment, describe first transmitted by access point checking website and indicate message, and indicate that message carries out resource allocation to website according to first, in actual applications, access point can also obtain the required uplink channel resources of website again, resource allocation is carried out to website further according to required uplink channel resources, required uplink channel resources following to access point acquisition station point and resource allocation is carried out to website according to required uplink channel resources specifically described, it refer to shown in Fig. 3, another embodiment of method for resource allocation includes in the embodiment of the present invention：

301st, access point sends the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included in the physical frame header of downlink frame for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sends the first instruction message；

In downlink frame, including uplink scheduling phase information, the random access resource block (a period of time of corresponding channel spectrum all or in part) that access point distributes for website is contained within the uplink scheduling phase, and indicate that the access point that is included within the uplink scheduling phase is the random access resource block message that website is distributed on the physical frame head of downlink frame, that is, signal channel resource allocation information set according to the channel resource block window arranged in the uplink scheduling phase on the physical frame head of downlink frame.In communication process, website majority have it is up it is data cached need transmission, access point needs to distribute certain channel resource window for the scheduled website (STA) for carrying out uplink, for using channel resource by the website of uplink scheduling, because access point has higher busy channel money The priority in source, so what access point (AP) sent first is descending scheduling frame or data frame, and uplink channel resources configured information is set according to uplink scheduling phase corresponding channel resource window in the descending physical frame header of scheduling frame or the physical frame header of descending data frame.In the present embodiment, AP can physical frame header (physical frame header) or physical frame data division (physical frame data part) indicating channel resource of descending scheduling frame (or descending data frame) the interim information for including random access resource block of uplink scheduling, physical frame data division is the content of mac layer frame, such as in SIG (signal) region in descending scheduling frame head portion, three binary digits " 011 " can be used, then represent there is the channel resource window for including 3 time slots (time slot) in the beginning of uplink channel resources schedule periods, website by channel resource (transfer resource unit) random access in the channel resource window (random access resource block) of this 3 time slots or can use channel, need to use the website (STA) of channel that one or more subchannels (i.e. subcarrier) may be selected and send message in a corresponding time slot.It should be noted that random access resource block can be the resource block that is associated with access point and not associated website provides channel access and used.

302nd, described access point by provided with a transfer resource unit at least one transfer resource unit described in sequence number receive the first website at least one described website by according to default rule from it is described be provided with least one transfer resource unit described in sequence number in described first indicate message transmitted by a transfer resource unit selecting；

First instruction message is used to indicate that the website has uplink channel resources demand.During signal is transmitted, it is not directly to be transmitted signal, but signal and the ripple of a fixed frequency are interacted, this process is referred to as loading, the ripple of such a fixed frequency is referred to as carrier frequency, one group of subcarrier is a sub-channels, because up data cached with the presence of several station datas, needs random access resource block (such as channel resource window) being divided into several transfer resource units (such as some sub-channels).It is preferred that, several transfer resource units being divided can pre-set sequence number, such as proceed by serial number from 1 for the 1st subchannel according to frequency height sub-carrier group, the 2nd subchannel, the 3rd subchannel etc., to provide website selection.First instruction message includes the uplink channel resources information required for the identification information of website, or the identification information and the website of the website.

In order to be verified to the first configured information received by access point, to ensure the validity of the first instruction message, the embodiment of the present invention exemplarily provides a kind of method verified to the first configured information, As shown in step 303 and 304.

303rd, access point calculates the respective value of the identification information of first website by preset rules；

In order to be verified to the configured information received by access point, to ensure the first validity for indicating message, website can select same preset rules to calculate identification information with access point, obtain respective value, as website is calculated the identification information of the website by hash algorithm, cryptographic Hash is obtained, the cryptographic Hash that website can be obtained by calculating selects the transfer resource unit of corresponding sequence number, such as transfer resource unit of the correspondence cryptographic Hash as sequence number.For example, identification information can be the association identification for including 16 binary digits of website, the association identification of this 16 binary digits is calculated by hash algorithm, a value for including 8 binary digits is obtained.

304th, judge whether the respective value matches with the sequence number that described access point receives the first instruction transfer resource unit that message passed through, if so, then performing 305；If it is not, can then terminate flow, such as discardable the first instruction message received.

Because website is the transfer resource unit of the unique correspondence sequence number selected according to unique correspondence numerical value of the identification information of website, such as the channel resource window that random access resource block is 3 time slots, each channel resource window is divided into 8 transfer resource units, according still further to 1-8, 9-16, 17-24 order is ranked up, website then can be according to the respective value of the identification information of website, as " 8 " select No. 8 transfer resource units of correspondence sequence number, so the respective value that access point can be calculated by the identification information for the website for judging to receive determines whether the first instruction message is effective with whether the sequence number of transfer resource unit matches, if the order number matches for the transfer resource unit that the respective value can be transmitted with the first instruction message by transfer resource unit, then determine that first indicates that message is effective, if the sequence number for the transfer resource unit that the respective value is transmitted with the described first instruction message by transfer resource unit is mismatched, it is then invalid.For example, access point receives the first instruction message of No. 8 transfer resource unit transmission, calculate described first and indicate the respective value of the related information of website in message for " 8 ", then it represents that the respective value of the related information of the website and the order number matches of the transmission unit.

305th, described access point sends the second downlink frame to first website, and second downlink frame includes the second configured information, and second configured information is used to indicate to send the second channel resource for indicating message for first website for first website；The size or first website of uplink channel resources required for the second instruction message carrying, first website need the data cached size of uplink；

Access point is received after the first instruction message, represents there be up data cached or management, control message to be sent in website, and access point can send to website after it is determined that the first instruction message is effective, then and include Second downlink frame of uplink channel resources schedule information, instruction allows website that data cached size information or required uplink channel resources information are sent into access point on the channel resource indicated by the second configured information.

306th, described access point receives the second instruction message transmitted by channel resource of first website according to indicated by second configured information；

It should be noted that, second instruction message of the uplink channel resources information required for the carrying website transmitted by access point receiving station, in addition to it can be normally received according to the reception mode defined in existing 802.11 standard, it can also be received by way of receiving first and indicating message.The identification information of website is carried in second instruction message, access point can again be verified to the second instruction message, not repeated specifically.It is another to illustrate that, the step in website be by second indicate message carry required for uplink channel resources size information, website is contrasted directly to carry the information of required uplink channel resources size in the first scheme for indicating message, reduce the channel resource shared by website transmission the first instruction message, reduce the size for transmitting the first transfer resource unit for indicating message, so that on the premise of the website (STA) for meeting equivalent amount sends the first instruction message, smaller random access channel resource block can be taken, due to being not that the random access channel resource block of every sub-distribution can be all used and (need to rely on the website of how many uplink demand, and this quantity access point is not aware that in advance), therefore distributing the small transfer resource unit for being used to transmit the first instruction message helps to reduce the size of random access channel resource block, improve the channel service efficiency of whole communication system.

307th, the size or first website of uplink channel resources of the described access point according to required for first website included in the described second instruction message need the data cached size of uplink, and uplink channel resources are distributed to first website within the uplink scheduling phase of the channel resource of described access point；

After the second of uplink channel resources information of multiple websites by OFDMA mechanism required for the parallel transmission carrying website to access point indicates message, and after access point determines that the second instruction message is effective, access point can distribute correspondingly sized uplink channel resources according to actual conditions to each website.

In the embodiment of the present invention, access point, which receives website, to be present after up data cached instruction message, further obtain the required uplink channel resources information of website, uplink channel resources information that then can be according to required for website distributes the channel resource of corresponding size to website, so, so that channel resource is rationally utilized, efficiency of transmission is improved.

In above-described embodiment, describe the information that access point indicates to include random access resource block within the uplink scheduling phase of the channel resource in the physical frame header of downlink frame, in actual applications, access point can also be in the SIG fields on downlink frame physical frame head or in mac layer frame with several flag bits and indicating bit Instruction includes the information of random access resource block within the uplink scheduling phase of channel resource, the information comprising random access resource block, which is specifically described, within the uplink scheduling phase of channel resource is indicated with flag bit and indicating bit in the SIG fields on downlink frame physical frame head or in mac layer frame to access point below, it refer to shown in Fig. 4, another embodiment of method for resource allocation includes in the embodiment of the present invention：

401st, access point sends the first downlink frame, flag bit and indicating bit are carried in the SIG fields on the physical frame head of first downlink frame or in physical frame data division, the flag bit is used to indicate to include random access resource block within the uplink scheduling phase of channel resource, the indicating bit is used for the information for indicating random access resource block, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sends the first instruction message；

In downlink frame, including uplink scheduling phase information, it is the random access resource block that website is distributed that access point is contained within the uplink scheduling phase, such as a period of time of corresponding channel spectrum all or in part, and indicate that the access point included within the uplink scheduling phase is the random access resource block message that website is distributed on the physical frame head of downlink frame, that is, according to the channel resource block window setting signal channel resource allocation information arranged in the uplink scheduling phase in the SIG fields on the physical frame head of downlink frame or in mac layer frame.In communication process, website majority have it is up it is data cached need transmission, access point needs to distribute certain channel resource window for the scheduled website (STA) for carrying out uplink, for using channel resource by the website of uplink scheduling, because access point has the priority of higher busy channel resource, so what access point (AP) sent first is descending scheduling frame or data frame, and uplink channel resources configured information is set according to uplink scheduling phase corresponding channel resource window in the descending physical frame header of scheduling frame or the physical frame header of descending data frame.In the present embodiment, AP can physical frame header (physical frame header) or physical frame data division (physical frame data part) indicating channel resource of descending scheduling frame (or descending data frame) the interim information for including random access resource block of uplink scheduling, physical frame data division is the content of mac layer frame.It should be noted that random access resource block can be to associate and not associated website provides the resource block of channel access with access point.

402nd, first website is received after the downlink frame of described access point transmission, judge whether the uplink scheduling phase includes random access resource block by the flag bit, if so, then performing 403, if it is not, can then determine that can not send described first in the uplink scheduling phase indicates message；

What is handled first due to access point is downlink frame, and in the interim information for including random access resource block of the uplink scheduling on physical frame head or physical frame data division indicating channel resource of descending scheduling frame or descending data frame, physical frame data division is the content of mac layer frame, then access point can handle up Before scheduling frame, the information for the channel resource window that uplink scheduling frame is included just is obtained, such as in the SIG-1 domains in scheduling frame head portion, represent there is the uplink channel resources window for website Stochastic accessing in uplink channel resources portion schedules with 1 binary digit " 1 ", the time of window and size can further indicate that such as resource window indicates that following quaternary group format can be used in SIG-2：(starts frequency terminates frequency；Time started, end time), then alternatively further indicate sub-carrier number (i.e. subchannel), grouping information of subcarrier that time slot (time slot) number, each time slot that (can also using default mode arrange) window includes are included etc..

403rd, described access point by provided with a transfer resource unit at least one transfer resource unit described in sequence number receive the first website at least one described website by according to default rule from it is described be provided with least one transfer resource unit described in sequence number in described first indicate message transmitted by a transfer resource unit selecting；

First instruction message is used to indicate that the website has uplink channel resources demand.During signal is transmitted, it is not directly to be transmitted signal, but signal and the ripple of a fixed frequency are interacted, this process is referred to as loading, the ripple of such a fixed frequency is referred to as carrier frequency, one group of subcarrier is a sub-channels, because up data cached with the presence of several station datas, needs random access resource block (such as channel resource window) being divided into several transfer resource units (such as some sub-channels).It is preferred that, several the first instruction message transport resources units being divided can pre-set sequence number, such as proceed by serial number from 1 for the 1st subchannel according to frequency height sub-carrier group, the 2nd subchannel, the 3rd subchannel etc., to provide website selection.First instruction message includes the uplink channel resources information required for the identification information of website, or the identification information and the website of the website.

In order to be verified to the first configured information received by access point, to ensure the validity of the first instruction message, the embodiment of the present invention exemplarily provides a kind of method verified to the first configured information, as shown in step 404 and 405.

404th, access point calculates the respective value of the identification information of first website by preset rules；

In order to be verified to the configured information received by access point, to ensure the first validity for indicating message, website can select same preset rules to calculate identification information with access point, obtain respective value, as website is calculated the identification information of the website by hash algorithm, obtain cryptographic Hash, website can be with The cryptographic Hash obtained by calculating selects the transfer resource unit of corresponding sequence number, such as transfer resource unit of the correspondence cryptographic Hash as sequence number.For example, identification information can be the association identification for including 16 binary digits of website, the association identification of this 16 binary digits is calculated by hash algorithm, a value for including 8 binary digits is obtained.

405th, judge whether the respective value matches with the sequence number that described access point receives the first instruction transfer resource unit that message passed through, if so, then performing 406；If it is not, can then terminate flow, such as discardable the first instruction message received；

406th, described access point sends the second downlink frame to first website, and second downlink frame includes the second configured information, and second configured information is used to indicate to send the second channel resource for indicating message for first website for first website；The size or first website of uplink channel resources required for the second instruction message carrying, first website need the data cached size of uplink；

Access point is received after the first instruction message, represent there be up data cached or management, control message to be sent in website, access point is after it is determined that the first instruction message is effective, the second downlink frame for including uplink channel resources schedule information can be then sent to website, instruction allows website that data cached size or required uplink channel resources information are sent into access point on the channel resource indicated by the second configured information.

407th, described access point receives the second instruction message transmitted by channel resource of first website according to indicated by second configured information；

It should be noted that the up channel carried required for the website transmitted by access point receiving station The second of resource information indicates message, in addition to it can be normally received according to the reception mode defined in existing 802.11 standard, can also be received by way of receiving first and indicating message.The identification information of website is carried in second instruction message, access point can again be verified to the second instruction message, not repeated specifically.It is another to illustrate that, the step in website be by second indicate message carry required for uplink channel resources size information, website is contrasted directly to carry the information of required uplink channel resources size in the first scheme for indicating message, reduce the channel resource shared by website transmission the first instruction message, reduce the size for transmitting the first transfer resource unit for indicating message, so that on the premise of the website (STA) for meeting equivalent amount sends the first instruction message, smaller random access channel resource block can be taken, due to being not that the random access channel resource block of every sub-distribution can be all used and (need to rely on the website of how many uplink demand, and this quantity access point is not aware that in advance), therefore distributing the small defeated resource unit for being used to transmit the first instruction message biography helps to reduce the size of random access channel resource block, improve the channel service efficiency of whole communication system.

408th, the size or first website of uplink channel resources of the described access point according to required for first website included in the described second instruction message need the data cached size of uplink, and uplink channel resources are distributed to first website within the uplink scheduling phase of the channel resource of described access point；

After the second of uplink channel resources information of multiple websites by OFDMA mechanism required for the parallel transmission carrying to access point indicates message, and after access point determines that the second instruction message is effective, access point can distribute correspondingly sized uplink channel resources according to actual conditions to each website.

It should be noted that, for not associated website, access point is then distributed for sending initial network entry message (such as probe request for it, probe requests thereby/association request, association request etc.) resource, access point is before for these websites distribution channel resource, need first to determine an identity for website, channel resource could be assigned to the website, the method for determining the identity of website, it can indicate that the used transfer resource unit number that corresponds to is as the identity of website during message with website transmission is up, the temporary mark that can also be selected with website in identifier space as website identity.Such as one not associated website, it can be in temporary mark space from extemporaneous association mark of the First ray for including 16 binary digits as itself, then calculated according to default rule according to the First ray and obtain second sequence for including 8 binary digits, if the corresponding metric value of second sequence is " 100 ", website can then choose the transfer resource unit that sequence number is " 100 " and go to send the first instruction message, after access point receives described first from the transfer resource unit that sequence number is " 100 " indicates message, when access point distributes resource, mark of the sequence number " 100 " as the resource distributed for the website can be used, institute can also be used State mark of the First ray as the resource distributed for the website of 16 binary digits selected by website.

In the embodiment of the present invention, the information for the random access resource block that access point can also be included in the SIG fields on downlink frame physical frame head or in mac layer frame with flag bit and indicating bit instruction within the uplink scheduling phase of channel resource, indicating bit is used for when flag bit identifies the promising website of access point and distributes random access resource block (including random access resource block within the uplink scheduling phase of channel resource), further indicate the details of random access resource block, such as the random access resource block corresponding time, size, the information such as frequency spectrum, for example, spectrum information can serve to indicate that out the starts frequency of random access resource block, terminate frequency；Between temporal information can serve to indicate that out at the beginning of random access resource block and the end time；Size information is used to indicating that the subcarrier (i.e. subchannel) that time slot (time slot) number, each time slot that random access resource block (such as channel resource window window) includes are included to be several, the grouping information of subcarrier.So, when not distributing random access resource block for website for access point, bit can then be only taken up, as need to be only used " 0 " to represent that access point does not distribute random access resource block for website in flag bit, now indicating bit can be sky, so as to save channel resource, efficiency of transmission is improved.

It refer to shown in Fig. 5, one embodiment of method for resource allocation includes in the embodiment of the present invention：

501st, website receives the first downlink frame that access point is sent, first downlink frame includes the first configured information, first configured information is used to be to indicate the information of random access resource block that includes within the uplink scheduling phase of the channel resource of described access point including at least one website including the website, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sent for indicating that website has the first instruction message of uplink channel resources demand；

502nd, the website selects a transfer resource unit from the random access resource block；

Because transfer resource unit, which is used for website, sends the first instruction message, and transfer resource unit is divided into It is multiple, website must be selected from multiple transfer resource units a transfer resource unit be used for send first instruction message.

503rd, the website sends described first to access point by selected transfer resource unit and indicates message, the first instruction message includes the identification information of the website, it is that the website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message during so that described access point checking described first indicating that message indicates message for effective first；

In the embodiment of the present invention, website is received after the information of the Stochastic accessing block resource included in the uplink scheduling phase of the channel resource comprising described access point of access point transmission, selection is divided into a transfer resource unit in several transfer resource units, and the website is sent for indicating that the website has the first instruction message of uplink channel resources demand by the transfer resource unit to access point.So, website is sent for indicating that the website has the first instruction message of uplink channel resources demand by the transfer resource unit to access point, and access point can be then allocated by the first instruction message to the uplink channel resources of website.

In above-described embodiment, describe website and a transfer resource unit is selected from several transfer resource units are divided into, the website is sent for indicating that the website has the first instruction message of uplink channel resources demand by the transfer resource unit to access point, in actual applications, website can also select transfer resource unit by default rule, and website can also send the second instruction message of the uplink channel resources information required for carrying to access point.

For the website not associated with access point, the website can obtain temporary mark information as the identification information of the website out of identifier space and realize the above method.For the website associated with access point, the identification information of the website refers to the association identification (Association Identity, AID) that access point is its distribution.Temporary mark information is obtained out of identifier space to website below, and selected transfer resource unit to send the processes such as the first instruction message to specifically describe to access point according to default rule, it refer to shown in Fig. 6, another embodiment of method for resource allocation includes in the embodiment of the present invention：

601st, website receives the first downlink frame that access point is sent, first downlink frame includes the first configured information, first configured information is used to be to indicate the information of random access resource block that includes within the uplink scheduling phase of the channel resource of described access point including at least one website including the website, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sent for indicating that website has the first instruction message of uplink channel resources demand；

In downlink frame, include the information of uplink scheduling phase, the random access resource block that access point distributes for website is contained within the uplink scheduling phase (such as a period of time of corresponding channel spectrum all or in part), it is the random access resource block message that website is distributed that the access point included within the uplink scheduling phase can be specifically indicated on the head of downlink frame, the random access resource block message distributed for website has namely been indicated according to the channel resource window arranged in the uplink scheduling phase on the head of downlink frame, then access point is before the uplink frame that website is sent in the uplink scheduling phase is received, the information for the channel resource window that the uplink scheduling phase includes is determined that out.

602nd, website judges whether itself includes the identification information associated with access point, if it is not, then performing 603-608；If so, then performing 604-608；

Access point for website when distributing channel resource, need to know the identification information of website, namely association identification (AID) represents the unique identities of the website, so website can first judge whether website itself includes the association identification associated with access point first before the first instruction message is sent.

603rd, the website obtains temporary mark information out of identifier space, and the identification information of the website is specially the temporary mark information；

If website is not present with association identification associated by access point, the checking of proof of identification and message can not be then carried out to website itself, so extemporaneous association mark can be obtained out of identifier space with the not associated website of access point carries out follow-up step 604-608 as the identification information of the website.

604th, the website calculates the respective value of the identification information of the website by preset rules；

605th, the website from the random access resource block according to the respective value, from random access resource block include be provided with least one transfer resource unit described in sequence number in a selection sequence number transfer resource unit corresponding with the respective value；

Website is the transfer resource unit of the unique correspondence sequence number selected according to unique correspondence numerical value of the identification information of website, such as the channel resource window that random access resource block is 3 time slots, each channel resource window is divided into 8 transfer resource units, according still further to 1-8,9-16,17-24 order is ranked up, website Then can be according to the respective value of the identification information of website, as " 8 " select No. 8 transfer resource units of correspondence sequence number, so the respective value that access point can be calculated by the identification information for the website for judging to receive determines whether the first instruction message is effective with whether the sequence number of transfer resource unit matches, if the order number matches for the transfer resource unit that the respective value can be transmitted with the first instruction message by transfer resource unit, then determine that first indicates that message is effective, if the sequence number for the transfer resource unit that the respective value is transmitted with the described first instruction message by transfer resource unit is mismatched, it is then invalid.For example, access point receives the first instruction message of No. 8 transfer resource unit transmission, calculate described first and indicate the respective value of the related information of website in message for " 8 ", then it represents that the respective value of the related information of the website and the order number matches of the transmission unit.

606th, the website sends described first to access point by selected transfer resource unit and indicates message；

607th, the website receives the second downlink frame that described access point is sent, and second downlink frame includes the second configured information, and it is that the website indicates to send the second channel resource for indicating message for the website that second configured information, which is used for described access point,；The size of uplink channel resources required for the second instruction message carrying website；

Access point is received after the first instruction message, represent there be up data cached or management, control message to be sent in website, access point is after it is determined that the first instruction message is effective, the second downlink frame for including uplink channel resources schedule information can be then sent to website, instruction allows website that data cached size information or required uplink channel resources information are sent into access point on the channel resource indicated by the second configured information.

608th, channel resource of the website according to indicated by second configured information sends described second to described access point and indicates message；

So, access point just can be according to described access point according to being included in the described second instruction message The size of uplink channel resources required for website, the uplink channel resources needed for being distributed within the uplink scheduling phase of the channel resource of described access point to the website.It should be noted that, the step in website be by second indicate message carry required for uplink channel resources size information, website is contrasted directly to carry the information of required uplink channel resources size in the first scheme for indicating message, reduce the channel resource shared by website transmission the first instruction message, reduce the size of the first instruction message transport resources unit, reduce the size for transmitting the first transfer resource unit for indicating message, so that on the premise of the website (STA) for meeting equivalent amount sends the first instruction message, smaller random access channel resource block can be taken, due to being not that the random access channel resource block of every sub-distribution can be all used and (need to rely on the website of how many uplink demand, and this quantity access point is not aware that in advance), therefore distributing the small transfer resource unit for being used to transmit the first instruction message helps to reduce the size of random access channel resource block, improve the channel service efficiency of whole communication system.

In the embodiment of the present invention, station for acquiring temporary mark information, so, not associated website has an interim identification information with access point, just it can be calculated according to identification information according to default rule and obtain respective value, the transfer resource unit of matching sequence number is selected further according to respective value so that when access point is that the website distributes channel resource；After it there is up data cached instruction message to the access point transmission website in website, uplink channel resources information required for further sending from the website to access point, access point then can be according to required for website uplink channel resources information the channel resource of corresponding size is distributed to website, so, so that channel resource is rationally utilized, efficiency of transmission is improved.

It refer to shown in Fig. 7, access point one embodiment in the embodiment of the present invention for resource allocation includes：

First transmitting element 701, for sending the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sends the first instruction message；

In the embodiment of the present invention, in downlink frame, include the information of uplink scheduling phase, the random access resource block that access point distributes for website is contained within the uplink scheduling phase (such as a period of time of corresponding channel spectrum all or in part), it is the random access resource block message that website is distributed that the access point included within the uplink scheduling phase can be specifically indicated on the head of downlink frame, the random access resource block message distributed for website is namely indicated according to the channel resource window arranged in the uplink scheduling phase on the head of downlink frame, then access point is being received Before the uplink frame that website is sent in the uplink scheduling phase, the information for the channel resource window that the uplink scheduling phase includes has been determined that out.

First receiving unit 702, the first instruction message that the first website for being received by a transfer resource unit at least one described transfer resource unit at least one described website is sent；The first instruction message is used to indicate that first website has uplink channel resources demand, and the first instruction message includes the identification information of first website；

During signal is transmitted, it is not directly to be transmitted signal, but signal and the ripple of a fixed frequency are interacted, this process is referred to as loading, the ripple of such a fixed frequency is referred to as carrier wave, one group of subcarrier is a sub-channels, because up data cached with the presence of several websites, needs random access resource block being divided into several the first instruction message transport resources units (such as some sub-channels).Associate it should be noted that random access resource block is special is supplied to access point and not associated website is used for the resource block of access.

Authentication unit 703, for verifying whether the first instruction message is effective first instruction message；

Allocation unit 704, for being that first website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message when the described first instruction message is effective first instruction message；

In the embodiment of the present invention, access point sends the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, the transfer resource unit is used for the website and sends the first instruction message, described access point receives the first instruction message that the website is sent by a transfer resource unit in the transfer resource unit, the first instruction message is used to indicate that the website has uplink channel resources demand, the first instruction message includes the identification information of the website, whether described access point checking the first instruction message is effective first instruction message, if, then indicate message in described access point according to described first In the uplink scheduling phase of channel resource uplink channel resources are distributed for the website.So, access point need not be as going whether inquiry website has upstream data to send one by one in the prior art, but the first instruction message for indicating that website has upstream data to need transmission that is used for of multiple website transmitted in parallel can be just received by OFDMA mechanism, it can just know which website has upstream data to send quickly, the efficiency inquired about website is improved, and then improves the efficiency of channel resource allocation；Meanwhile, access point can be conducive to saving channel resource and overhead according to the uplink channel resources of each website of actual conditions reasonable distribution.

In above-described embodiment, describe the information that access point indicates to include random access resource block within the uplink scheduling phase of channel resource in downlink frame, access point receives the first instruction message that the website is sent by being divided into the random access resource block of several transfer resource units, in actual applications, access point indicates the information for including random access resource block within the uplink scheduling phase of the channel resource in the physical frame header of downlink frame, described access point receives the website according to the first instruction message transmitted by the transfer resource unit of default rule selection correspondence sequence number by being divided into several transfer resource units provided with sequence number, access point indicates whether message is effective first instruction message by the identification information checking first in the first instruction message.Access point is specifically described to the checking of the first instruction message with the distribution to channel resource below, be refer to shown in Fig. 8, another embodiment of the access point in the embodiment of the present invention for resource allocation includes：

First transmitting element 801, for sending the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sends the first instruction message；

In downlink frame, including uplink scheduling phase information, the random access resource block that access point distributes for website is contained within the uplink scheduling phase (such as a period of time of corresponding channel spectrum all or in part), and indicate that the access point that is included within the uplink scheduling phase is the random access resource block message that website is distributed on the physical frame head of downlink frame, that is, signal channel resource allocation information set according to the channel resource block window arranged in the uplink scheduling phase on the physical frame head of downlink frame.In communication process, website majority have it is up it is data cached need transmission, access point needs to distribute certain channel resource window for the scheduled website (STA) for carrying out uplink, for using channel resource by the website of uplink scheduling, because access point has the priority of higher busy channel resource, so what access point (AP) sent first is descending scheduling frame or data frame, and Uplink channel resources configured information is set according to uplink scheduling phase corresponding channel resource window in the descending physical frame header of scheduling frame or the physical frame header of descending data frame.In the present embodiment, AP can physical frame header (physical frame header) or physical frame data division (physical frame data part) indicating channel resource of descending scheduling frame (or descending data frame) the interim information for including random access resource block of uplink scheduling, physical frame data division is the content of mac layer frame, such as in SIG (signal) region in descending scheduling frame head portion, three binary digits " 011 " can be used, then represent there is the channel resource window for including 3 time slots (time slot) in the beginning of uplink channel resources schedule periods, website by channel resource (transfer resource unit) random access in the channel resource window (random access resource block) of this 3 time slots or can use channel, need to use the website (STA) of channel that one or more subchannels (i.e. subcarrier) may be selected and send message in a corresponding time slot.It should be noted that random access resource block can be the resource block that is associated with access point and not associated website provides channel access and used.

First receiving unit 802 includes the first receiving module 8021, for by provided with a transfer resource unit at least one transfer resource unit described in sequence number receive the first website at least one described website by according to default rule from it is described be provided with least one transfer resource unit described in sequence number in described first indicate message transmitted by a transfer resource unit selecting；

Authentication unit 803 specifically includes computing module 8031, the respective value of the identification information for calculating first website by preset rules；

In order to be verified to the configured information received by access point, to ensure the first validity for indicating message, website can select same preset rules to calculate identification information with access point, obtain respective value, as website is calculated the identification information of the website by hash algorithm, cryptographic Hash is obtained, the cryptographic Hash that website can be obtained by calculating selects corresponding transfer resource unit, such as transfer resource unit of the correspondence cryptographic Hash as sequence number.For example, identification information can be the association identification for including 16 binary digits of website, The association identification of this 16 binary digits is calculated by hash algorithm, a value for including 8 binary digits is obtained.

Whether authentication unit 803 also includes judge module 8032, matched for judging that the respective value and described access point receive the sequence number of the first instruction transfer resource unit that message passed through；

Because website is the transfer resource unit of the unique correspondence sequence number selected according to unique correspondence numerical value of the identification information of website, such as the channel resource window that random access resource block is 3 time slots, each channel resource window is divided into 8 transfer resource units, according still further to 1-8, 9-16, 17-24 order is ranked up, website then can be according to the respective value of the identification information of website, as " 8 " select No. 8 transfer resource units of correspondence sequence number, so the respective value that access point can be calculated by the identification information for the website for judging to receive determines whether the first instruction message is effective with whether the sequence number of transfer resource unit matches.

If the order number matches for the transfer resource unit that the respective value can be transmitted with the first instruction message by transfer resource unit, then determine that first indicates that message is effective, it is invalid if the sequence number for the transfer resource unit that the respective value is transmitted with the described first instruction message by transfer resource unit is mismatched.For example, access point receives the first instruction message of No. 8 transfer resource unit transmission, calculate described first and indicate the respective value of the related information of website in message for " 8 ", then it represents that the respective value of the related information of the website and the order number matches of the transmission unit.

Allocation unit 804 includes the first distribute module 8041, the uplink channel resources for according to the described first instruction message within the uplink scheduling phase of the channel resource of described access point being the first website distribution preset length；Or, described first indicates that message also includes the size (or first website needs the data cached size of uplink) of the uplink channel resources required for first website, uplink channel resources of the described access point according to needed for being first website distribution in the described first uplink scheduling phase for indicating channel resource of the size of the required uplink channel resources of the first website included in message in described access point；

When multiple websites by OFDMA mechanism it is parallel to access point send first indicate message after, after access point determines that the first instruction message is effective, access point can distribute the uplink channel resources of preset length according to actual conditions to each website, channel resource as averagely distributed 10ms to each website, if the up of part website data cached fails disposable end of transmission, it can then continue to be transmitted in the channel resource of next sub-distribution, or when described first indicates message also including the uplink channel resources information required for the website, can also according to the uplink channel resources information required for the website that includes in the described first instruction message within the uplink scheduling phase of the channel resource of described access point for the uplink channel resources needed for the website is distributed.

In above-described embodiment, describe first transmitted by access point checking website and indicate message, and indicate that message carries out resource allocation to website according to first, in actual applications, access point can also obtain the required uplink channel resources of website again, resource allocation is carried out to website further according to required uplink channel resources, required uplink channel resources following to access point acquisition station point and resource allocation is carried out to website according to required uplink channel resources specifically described, it refer to shown in Fig. 9, another embodiment of access point in the embodiment of the present invention for resource allocation includes：

First transmitting element 901, for sending the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included in the physical frame header of downlink frame for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sends the first instruction message；

In downlink frame, including uplink scheduling phase information, the random access resource block (a period of time of corresponding channel spectrum all or in part) that access point distributes for website is contained within the uplink scheduling phase, and indicate that the access point that is included within the uplink scheduling phase is the random access resource block message that website is distributed on the physical frame head of downlink frame, that is, signal channel resource allocation information set according to the channel resource block window arranged in the uplink scheduling phase on the physical frame head of downlink frame.In communication process, website majority have it is up it is data cached need transmission, access point needs to distribute certain channel resource window for the scheduled website (STA) for carrying out uplink, for using channel resource by the website of uplink scheduling, because access point has the priority of higher busy channel resource, so what access point (AP) sent first is descending scheduling frame or data frame, and uplink channel resources configured information is set according to uplink scheduling phase corresponding channel resource window in the descending physical frame header of scheduling frame or the physical frame header of descending data frame.In the present embodiment, AP can descending scheduling frame (or descending data frame) physical frame header (physical frame header) or physical frame data portion Divide the interim information for including random access resource block of uplink scheduling of (physical frame data part) indicating channel resource, physical frame data division is the content of mac layer frame, such as in SIG (signal) region in descending scheduling frame head portion, three binary digits " 011 " can be used, then represent there is the channel resource window for including 3 time slots (time slot) in the beginning of uplink channel resources schedule periods, website by channel resource (transfer resource unit) random access in the channel resource window (random access resource block) of this 3 time slots or can use channel, need to use the website (STA) of channel that one or more subchannels (i.e. subcarrier) may be selected and send message in a corresponding time slot.It should be noted that random access resource block can be the resource block that is associated with access point and not associated website provides channel access and used.

First receiving unit 902 includes the first receiving module 9021, for by provided with a transfer resource unit at least one transfer resource unit described in sequence number receive the first website at least one described website by according to default rule from it is described be provided with least one transfer resource unit described in sequence number in described first indicate message transmitted by a transfer resource unit selecting；

Authentication unit 903 specifically includes computing module 9031, the respective value of the identification information for calculating first website by preset rules；

Whether authentication unit 903 also includes judge module 9032, matched for judging that the respective value and described access point receive the sequence number of the first instruction transfer resource unit that message passed through；

Because website is the transfer resource unit of the unique correspondence sequence number selected according to unique correspondence numerical value of the identification information of website, such as the channel resource window that random access resource block is 3 time slots, each channel resource window is divided into 8 transfer resource units, according still further to 1-8, 9-16, 17-24 order is ranked up, website then can be according to the respective value of the identification information of website, as " 8 " select No. 8 transfer resource units of correspondence sequence number, so the respective value that access point can be calculated by the identification information for the website for judging to receive determines whether the first instruction message is effective with whether the sequence number of transfer resource unit matches.For example, access point receives the first instruction message of No. 8 transfer resource unit transmission, calculate described first and indicate the respective value of the related information of website in message for " 8 ", then it represents that the respective value of the related information of the website and the order number matches of the transmission unit.

Second transmitting element 904, after receiving the first instruction message that first website is sent in a transfer resource unit in by the transfer resource unit, the second downlink frame is sent to first website, second downlink frame includes the second configured information, and second configured information is used to indicate to send the second channel resource for indicating message for first website for first website；The size or first website of uplink channel resources required for the second instruction message carrying, first website need the data cached size of uplink；

Second receiving unit 905, message is indicated for receiving described second transmitted by channel resource of first website according to indicated by second configured information；

It should be noted that, second instruction message of the uplink channel resources information required for the carrying website transmitted by access point receiving station, in addition to it can be normally received according to the reception mode defined in existing 802.11 standard, it can also be received by way of receiving first and indicating message.The identification information of website is carried in second instruction message, access point can again be verified to the second instruction message, not repeated specifically.It is another to illustrate that, the step in website be by second indicate message carry required for uplink channel resources size information, website is contrasted directly to carry the information of required uplink channel resources size in the first scheme for indicating message, the channel resource shared by website transmission the first instruction message is reduced, that is, is reduced for passing Defeated first indicates the size of the transfer resource unit of message, so that on the premise of the website (STA) for meeting equivalent amount sends the first instruction message, smaller random access channel resource block can be taken, due to being not that the random access channel resource block of every sub-distribution can be all used and (need to rely on the website of how many uplink demand, and this quantity access point is not aware that in advance), therefore distributing the small transfer resource unit for being used to transmit the first instruction message helps to reduce the size of random access channel resource block, improve the channel service efficiency of whole communication system.

Allocation unit 906 includes the second distribute module 9061, size or first website for the uplink channel resources according to required for first website included in the described second instruction message need the data cached size of uplink, and uplink channel resources are distributed to first website within the uplink scheduling phase of the channel resource of described access point；

In above-described embodiment, describe the information that access point indicates to include random access resource block within the uplink scheduling phase of the channel resource in the physical frame header of downlink frame, in actual applications, access point can also include the information of random access resource block in the SIG fields on downlink frame physical frame head or in mac layer frame with several flag bits and indicating bit instruction within the uplink scheduling phase of channel resource, the information comprising random access resource block, which is specifically described, within the uplink scheduling phase of channel resource is indicated with flag bit and indicating bit in the SIG fields on downlink frame physical frame head or in mac layer frame to access point below, it refer to shown in Figure 10, another embodiment of access point in the embodiment of the present invention for resource allocation includes：

First transmitting element 1001 includes the first sending module 10011, for sending the first downlink frame, flag bit and indicating bit are carried in the SIG fields on the physical frame head of first downlink frame or in physical frame data division, the flag bit is used to indicate to include random access resource block within the uplink scheduling phase of channel resource, the indicating bit is used for the information for indicating random access resource block, the random access resource block includes at least one transfer resource unit, and the transfer resource unit is used for the website and sends the first instruction message；

First receiving unit 1002 includes the first receiving module 10021, for when indicating that bit flag goes out the uplink scheduling phase comprising random access resource block, by provided with a transfer resource unit at least one transfer resource unit described in sequence number receive the website by according to default rule from it is described be provided with least one transfer resource unit described in sequence number in described first indicate message transmitted by a transfer resource unit selecting；

First instruction message is used to indicate that the website has uplink channel resources demand.During signal is transmitted, it is not directly to be transmitted signal, but signal and the ripple of a fixed frequency are interacted, this process is referred to as loading, the ripple of such a fixed frequency is referred to as carrier frequency, and one group of subcarrier is a sub-channels, because up data cached with the presence of several station datas, so needing random access resource block (such as channel resource window) being divided into several transfer resource units, that is, some sub-channels.It is preferred that, several transfer resource units being divided can pre-set sequence number, so that website is selected.First instruction message includes the uplink channel resources information required for the identification information of website, or the identification information and the website of the website.

Authentication unit 1003 specifically includes computing module 10031, the respective value of the identification information for calculating first website by preset rules；

Whether authentication unit 1003 also includes judge module 10032, matched for judging that the respective value and described access point receive the sequence number of the first instruction transfer resource unit that message passed through；

Second transmitting element 1004, after receiving the first instruction message that first website is sent in a transfer resource unit in by the transfer resource unit, the second downlink frame is sent to the website, second downlink frame includes the second configured information, and second configured information is used to indicate to send the second channel resource for indicating message for first website for first website；The size or first website of uplink channel resources required for the second instruction message carrying, first website need the data cached size of uplink；

Second receiving unit 1005, message is indicated for receiving described second transmitted by channel resource of first website according to indicated by second configured information；

It should be noted that, second instruction message of the uplink channel resources information required for the carrying website transmitted by access point receiving station, in addition to it can be normally received according to the reception mode defined in existing 802.11 standard, it can also be received by way of receiving first and indicating message.The identification information of website is carried in second instruction message, access point can again be verified to the second instruction message, not repeated specifically.It is another to illustrate that, the step in website be by second indicate message carry required for uplink channel resources size information, website is contrasted directly to carry the information of required uplink channel resources size in the first scheme for indicating message, reduce the channel resource shared by website transmission the first instruction message, reduce the size for transmitting the first transfer resource unit for indicating message, so that on the premise of the website (STA) for meeting equivalent amount sends the first instruction message, smaller random access channel resource block can be taken, due to being not that the random access channel resource block of every sub-distribution can be all used and (need to rely on the website of how many uplink demand, and this quantity access point is not aware that in advance), therefore distributing the small defeated resource unit for being used to transmit the first instruction message biography helps to reduce the size of random access channel resource block, improve the channel service efficiency of whole communication system.

Allocation unit 1006 includes the second distribute module 10061, size or first website for the uplink channel resources according to required for first website included in the described second instruction message need the data cached size of uplink, and uplink channel resources are distributed to first website within the uplink scheduling phase of the channel resource of described access point；

It should be noted that, for not associated website, access point is then distributed for sending initial network entry message (such as probe request for it, probe requests thereby/association request, association request etc.) resource, access point for these websites when distributing channel resource, need first to distribute an association identification for website, channel spectrum could be assigned to the website, distributing association identification can indicate that the used transfer resource unit number that corresponds to is as the association identification of website during message with website transmission is up, the temporary mark information that can also be obtained with website in identifier space as website association identification.Such as one not associated website, it can include 16 binary digits from one in temporary mark space and be identified as the extemporaneous association of itself, corresponding metric value is " 100 ", website can then choose the transfer resource unit that sequence number is " 100 " and go to send the first instruction message, after access point receives instruction message from the unit that sequence number is " 100 ", when access point distributes resource, it be able to can also be used with sequence number " 100 " as the association identification of the website The association identification of 16 binary digits selected by the website as the website.

In the embodiment of the present invention, the information for the random access resource block that access point can also be included in the SIG fields on downlink frame physical frame head or in mac layer frame with flag bit and indicating bit instruction within the uplink scheduling phase of channel resource, indicating bit is used for when flag bit identifies the promising website of access point and distributes random access resource block (including random access resource block within the uplink scheduling phase of channel resource), further indicate random access resource block corresponding time and size information, temporal information is used for the starts frequency for indicating random access resource block, terminate frequency, time started and end time；Size information is used to indicating that the subcarrier (i.e. subchannel) that time slot (time slot) number, each time slot that random access resource block (such as channel resource window window) includes are included to be several, the grouping information of subcarrier.So, when not distributing random access resource block for website for access point, bit can then be only taken up, as need to be only used " 0 " to represent that access point does not distribute random access resource block for website in flag bit, now indicating bit can be sky, so as to save channel resource, efficiency of transmission is improved.

It refer to shown in Figure 11, website one embodiment in the embodiment of the present invention for resource allocation includes：

3rd receiving unit 1101, the first downlink frame for receiving access point transmission, first downlink frame includes the first configured information, first configured information is used to be to indicate the information of random access resource block that includes within the uplink scheduling phase of the channel resource of described access point including at least one website including the website, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sent for indicating that website has the first instruction message of uplink channel resources demand；

Selecting unit 1102, for selecting a transfer resource unit from the random access resource block；

Because transfer resource unit be used for website send first indicate message, and transfer resource unit be divided into it is multiple, website must select from multiple transfer resource units one transfer resource unit be used for send first instruction message.

3rd transmitting element 1103, message is indicated for sending described first to access point by selected transfer resource unit, the first instruction message includes the identification information of the website, it is that the website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message during so that described access point checking described first indicating that message indicates message for effective first；

For the website not associated with access point, the website can obtain temporary mark information as the identification information of the website out of identifier space and realize the above method.For the website associated with access point, the identification information of the website refers to the association identification (Association Identity, AID) that access point is its distribution.Temporary mark information is obtained out of identifier space to website below, and selected transfer resource unit to send the devices such as the first instruction message to specifically describe to access point according to default rule, it refer to shown in Figure 12, another embodiment of the website in the embodiment of the present invention for resource allocation includes：

3rd receiving unit 1201, the first downlink frame for receiving access point transmission, first downlink frame includes the first configured information, first configured information is used to be to indicate the information of random access resource block that includes within the uplink scheduling phase of the channel resource of described access point including at least one website including the website, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sent for indicating that website has the first instruction message of uplink channel resources demand；

In downlink frame, include the information of uplink scheduling phase, it is station that access point is contained within the uplink scheduling phase The random access resource block of point distribution (such as a period of time of corresponding channel spectrum all or in part), it is the random access resource block message that website is distributed that the access point included within the uplink scheduling phase can be specifically indicated on the head of downlink frame, the random access resource block message distributed for website has namely been indicated according to the channel resource window arranged in the uplink scheduling phase on the head of downlink frame, then access point has determined that out the information for the channel resource window that the uplink scheduling phase includes before the uplink frame that website is sent in the uplink scheduling phase is received.

Acquiring unit 1202, when the website, which does not include, the identification information associated with access point, the website is selected from the random access resource block before a transfer resource unit, the website obtains temporary mark information out of identifier space, and a transfer resource unit is selected from the random access resource block by the temporary mark information for the website；

If website is not present with association identification associated by access point, the checking of proof of identification and message can not be then carried out to website itself, so extemporaneous association mark can be obtained out of identifier space as the identification information of the website with the not associated website of access point carries out follow-up step.

Selecting unit 1203 includes selecting module 12031, the respective value of the identification information of the website is calculated by preset rules, the transfer resource unit corresponding with the respective value provided with selection sequence number at least one transfer resource unit described in sequence number included from random access resource block；

Website is the transfer resource unit of the unique correspondence sequence number selected according to unique correspondence numerical value of the identification information of website, such as the channel resource window that random access resource block is 3 time slots, each channel resource window is divided into 8 transfer resource units, according still further to 1-8, 9-16, 17-24 order is ranked up, website then can be according to the respective value of the identification information of website, as " 8 " select No. 8 transfer resource units of correspondence sequence number, so the respective value that access point can be calculated by the identification information for the website for judging to receive determines whether the first instruction message is effective with whether the sequence number of transfer resource unit matches, if the order number matches for the transfer resource unit that the respective value can be transmitted with the first instruction message by transfer resource unit, then determine that first indicates that message is effective, if the respective value is passed with the described first instruction message by transfer resource unit The sequence number of defeated transfer resource unit is mismatched, then is invalid.For example, access point receives the first instruction message of No. 8 transfer resource unit transmission, calculate described first and indicate the respective value of the related information of website in message for " 8 ", then it represents that the respective value of the related information of the website and the order number matches of the transmission unit.

3rd transmitting element 1204, message is indicated for sending described first to access point by selected transfer resource unit, the first instruction message includes the identification information of the website, it is that the website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message during so that described access point checking described first indicating that message indicates message for effective first；

First instruction message is used to indicate that the website has uplink channel resources demand.During signal is transmitted, it is not directly to be transmitted signal, but signal and the ripple of a fixed frequency are interacted, this process is referred to as loading, the ripple of such a fixed frequency is referred to as carrier frequency, and one group of subcarrier is a sub-channels, because up data cached with the presence of several station datas, so needing random access resource block (such as channel resource window) being divided into several transfer resource units, that is, some sub-channels.It is preferred that, several transfer resource units being divided can pre-set sequence number, such as proceed by serial number from 1 for the 1st subchannel according to frequency height sub-carrier group, the 2nd subchannel, the 3rd subchannel etc., to provide website selection.First instruction message includes the uplink channel resources information required for the identification information of website, or the identification information and the website of the website.

4th receiving unit 1205, after the first instruction message being sent for the transfer resource unit by the selection to access point, receive the second downlink frame that described access point is sent, second downlink frame includes the second configured information, and it is that the website indicates to send the second channel resource for indicating message for the website that second configured information, which is used for described access point,；The size of uplink channel resources required for the second instruction message carrying website；

4th transmitting element 1206, sends described second to described access point for the channel resource according to indicated by second configured information and indicates message；

So, access point just can be according to described access point according to required for the website that includes in the described second instruction message uplink channel resources size, the uplink channel resources needed for being distributed within the uplink scheduling phase of the channel resource of described access point to the website.It should be noted that the step in website be to pass through Second indicates that message carries required uplink channel resources size information, website is contrasted directly to carry the information of required uplink channel resources size in the first scheme for indicating message, reduce the channel resource shared by website transmission the first instruction message, reduce the size of the first instruction message transport resources unit, reduce the size for transmitting the first transfer resource unit for indicating message, so that on the premise of the website (STA) for meeting equivalent amount sends the first instruction message, smaller random access channel resource block can be taken, due to being not that the random access channel resource block of every sub-distribution can be all used and (need to rely on the website of how many uplink demand, and this quantity access point is not aware that in advance), therefore distributing the small transfer resource unit for being used to transmit the first instruction message helps to reduce the size of random access channel resource block, improve the channel service efficiency of whole communication system.

The concrete structure of access point apparatus is illustrated from the angle of functional unit for embodiment shown in Fig. 7 to Figure 10, and the concrete structure of access point apparatus is illustrated from hardware point of view below in conjunction with the embodiment shown in Figure 13：

As shown in figure 13, the access point apparatus includes：Transmitter 1301, receiver 1302, processor 1303 and memory 1304.

The present embodiments relate to access point apparatus can have than more or less parts illustrated in fig. 13, two or more parts can be combined, or can have different parts to configure or set up, all parts can be realized in the combination of the hardware including one or more signal transactings and/or application specific integrated circuit, software or hardware and software.

The transmitter 1301, for sending the first downlink frame to website, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sends the first instruction message；

The receiver 1302, the first instruction message that the first website received by a transfer resource unit at least one described transfer resource unit at least one described website is sent；

The processor 1303, for verifying whether the first instruction message is effective first instruction message, if so, being then that first website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message.

In another embodiment, the transmitter 1301, after receiving the first instruction message that first website is sent in the receiver 1302, the second downlink frame is sent to first website, second downlink frame includes the second configured information, and second configured information is used to indicate to send the second channel resource for indicating message for first website for first website；The size or first website of uplink channel resources required for the second instruction message carrying, first website need the data cached size of uplink；

The receiver 1302 is additionally operable to receive the second instruction message transmitted by channel resource of first website according to indicated by second configured information；

The size or first website that the processor 1303 is additionally operable to the uplink channel resources according to required for first website included in the described second instruction message need the data cached size of uplink, and uplink channel resources are distributed to first website within the uplink scheduling phase of the channel resource of described access point.

In the present embodiment, processor 1303 receives the first instruction message for indicating that website has upstream data to need transmission that is used for of multiple website transmitted in parallel, it can just know which website has upstream data to send, and improves the efficiency of inquiry quickly, and then improve the efficiency of channel resource allocation；Meanwhile, access point can be conducive to saving channel resource and overhead according to the uplink channel resources of each website of actual conditions reasonable distribution.

The concrete structure of site apparatus is illustrated from the angle of functional module for embodiment shown in Figure 11 to Figure 12, and the concrete structure of site apparatus is illustrated from hardware point of view below in conjunction with the embodiment shown in Figure 14：

As shown in figure 14, the site apparatus includes：Receiver 1401, transmitter 1402, processor 1403 and memory 1404.

The present embodiments relate to site apparatus can have than more or less parts illustrated in fig. 14, two or more parts can be combined, or can have different parts configure or set up, all parts can the hardware including one or more signal transactings and/or application specific integrated circuit, software or The combination of hardware and software is realized.

The receiver 1401 is used for the first downlink frame for receiving access point transmission, first downlink frame includes the first configured information, first configured information is used to be to indicate the information of random access resource block that includes within the uplink scheduling phase of the channel resource of described access point including at least one website including the website, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sent for indicating that website has the first instruction message of uplink channel resources demand；

The processor 1403 is used to from the random access resource block select a transfer resource unit；

The transmitter 1402 is used to send the first instruction message to access point by selected transfer resource unit, the first instruction message includes the identification information of the website, it is that the website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message during so that described access point checking described first indicating that message indicates message for effective first.

In another embodiment, the processor 1403 is additionally operable to after the first downlink frame that receiver 1401 receives access point transmission, judge whether itself includes identification information, if not including, temporary mark information is then obtained out of identifier space, the identification information of the website is specially the temporary mark information.

The processor 1403 is additionally operable to after the first downlink frame that receiver 1401 receives access point transmission, and the respective value of the identification information of the website is calculated by preset rules；

A corresponding transfer resource unit is selected according to the respective value from the random access resource block；

The receiver 1401 is additionally operable to after sending the first instruction message to access point by the transfer resource unit of the selection, receive the second downlink frame that described access point is sent, second downlink frame includes the second configured information, and it is that the website indicates to send the second channel resource for indicating message for the website that second configured information, which is used for described access point,；The size of uplink channel resources required for the second instruction message carrying website；

The channel resource that the transmitter 1402 is additionally operable to according to indicated by second configured information sends described second to described access point and indicates message, so as to the size of uplink channel resources of the described access point according to required for the website included in the described second instruction message, the uplink channel resources needed for being distributed within the uplink scheduling phase of the channel resource of described access point to the website；

In the present embodiment, the uplink channel resources required for website are sent to access point by transmitter 1402, improve the efficiency of channel resource allocation by processor 1403 after the second configured information that access point is sent.

It is exemplified below.In a specific example, scheduling frame sets 3 time slots, dispatches frame head Portion sets SIG to be binary " 011 " totally three, one of STA is to have up data cached 20Kb on STA H, STA H, and STA H and AP association identification AID are 5, it refer to shown in Figure 15, one embodiment of the concrete application scene of resource allocation apparatus includes in the embodiment of the present invention：

3 row time slots are divided into 30 sub-channels by AP, subchannel order is from 1~30 arrangement respectively, STA H calculate AID 5 by hash algorithm, obtain cryptographic Hash 20, then select the 20th sub-channels, STA H will include AID 5 and indicate that the STA has up the first data cached instruction message to be sent to AP by the 20th sub-channels, AP receives multiple STA and indicated by the first of OFDMA mechanism transmitted in parallel after message, obtain the STA H included in the message that the 20th sub-channels are received AID 5, then AID 5 cryptographic Hash is calculated with the identical hash algorithm used when choosing subchannel with STA H, obtain cryptographic Hash 20, and the sequence number 20 of the corresponding subchannel with receiving the message for including the AID 5 is compared and whether consistent sees, if consistent, it is effective first instruction message to determine up data cached first instruction message, AP sends confirmation message to STA H, STA H are received after confirmation message up data cached size 20Kb being sent to AP, the channel resource that AP is then distributed required for 20Kb for STA H.

The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although the present invention is described in detail with reference to the foregoing embodiments, it will be understood by those within the art that：It can still modify to the technical scheme described in foregoing embodiments, or carry out equivalent substitution to which part technical characteristic；And these modifications or replacement, the essence of appropriate technical solution is departed from the spirit and scope of various embodiments of the present invention technical scheme.

Claims

A kind of method for resource allocation, it is characterised in that including：

Access point sends the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sends the first instruction message；

The first instruction message that the first website that described access point is received at least one described website by a transfer resource unit at least one described transfer resource unit is sent；

The first instruction message is used to indicate that first website has uplink channel resources demand, and the first instruction message includes the identification information of first website；

Whether described access point checking the first instruction message is effective first instruction message, if so, being then that first website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message.
Method according to claim 1, it is characterised in that the first instruction message that the first website that described access point is received at least one described website by a transfer resource unit at least one described transfer resource unit is sent includes：

Described access point by provided with a transfer resource unit at least one transfer resource unit described in sequence number receive the first website at least one website by according to default rule from it is described be provided with least one transfer resource unit described in sequence number in described first indicate message transmitted by a transfer resource unit selecting.
Method according to claim 2, it is characterised in that whether described access point checking the first instruction message is that effective first instruction message is specifically included：

Described access point calculates the respective value of the identification information of first website by the preset rules；

Judge that the respective value receives described first with described access point and indicates whether the transfer resource unit number that message passed through is corresponding, if correspondence, it is determined that described first indicates that message is the effective first instruction message；If not corresponding to, it is determined that described first indicates that message is the invalid first instruction message.
According to claims 1 to 3 wherein any one methods described, it is characterised in that be that the first website distribution uplink channel resources include in the uplink scheduling phase of the channel resource according to the described first instruction message in described access point：

Described access point indicates uplink scheduling of the message in the channel resource of described access point according to described first The uplink channel resources of preset length are distributed in phase for first website；Or, size or first website of the first instruction message also including the uplink channel resources required for first website need the data cached size of uplink, the size or first website of uplink channel resources of the described access point according to required for first website included in the described first instruction message need the data cached size of uplink, for the uplink channel resources needed for first website is distributed within the uplink scheduling phase of the channel resource of described access point.
According to claims 1 to 3 wherein any one methods described, it is characterized in that, after described access point receives the first instruction message that first website is sent by a transfer resource unit at least one described transfer resource unit, methods described also includes：

Described access point sends the second downlink frame to first website, and second downlink frame includes the second configured information, and second configured information is used to indicate to send the second channel resource for indicating message for first website for first website；The size or first website of uplink channel resources required for the second instruction message carrying, first website need the data cached size of uplink；

Described access point receives the second instruction message transmitted by channel resource of first website according to indicated by second configured information；

It is that the first website distribution uplink channel resources include in the uplink scheduling phase of the channel resource according to the described first instruction message in described access point：

The size or first website of uplink channel resources of the described access point according to required for first website included in the described second instruction message need the data cached size of uplink, and uplink channel resources are distributed to first website within the uplink scheduling phase of the channel resource of described access point.
According to claim 1 to 5 wherein any one methods described, it is characterized in that, flag bit and indicating bit are carried in the SIG fields on the physical frame head of first downlink frame or in physical frame data division, the flag bit is used for instruction and includes random access resource block within the uplink scheduling phase of channel resource, and the indicating bit is used for the information for indicating random access resource block.
A kind of method for resource allocation, it is characterised in that including：

Website receives the first downlink frame that access point is sent, first downlink frame includes the first configured information, first configured information is used to be to indicate the information of random access resource block that includes within the uplink scheduling phase of the channel resource of described access point including at least one website including the website, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sent for indicating that website has the first instruction message of uplink channel resources demand；

The website selects a transfer resource unit from the random access resource block；

The website sends described first to access point by selected transfer resource unit and indicates message, the first instruction message includes the identification information of the website, it is that the website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message during so that described access point checking described first indicating that message indicates message for effective first.
Method according to claim 7, it is characterised in that the website selects a transfer resource unit to include from the random access resource block：

The website calculates the respective value of the identification information of the website by preset rules；

The website from the random access resource block according to the respective value, from random access resource block include be provided with least one transfer resource unit described in sequence number in a selection sequence number transfer resource unit corresponding with the respective value.
According to the wherein any one methods described of claim 7 or 8, it is characterised in that after the website sends the first instruction message by the transfer resource unit of the selection to access point, methods described also includes：

The website receives the second downlink frame that described access point is sent, and second downlink frame includes the second configured information, and it is that the website indicates to send the second channel resource for indicating message for the website that second configured information, which is used for described access point,；The size or the website of uplink channel resources required for the second instruction message carrying website need the data cached size of uplink；

Channel resource of the website according to indicated by second configured information sends described second to described access point and indicates message, the data cached size of uplink is needed so as to the size or the website of uplink channel resources of the described access point according to required for the website included in the described second instruction message, the uplink channel resources needed for being distributed within the uplink scheduling phase of the channel resource of described access point to the website.
According to the wherein any one methods described of claim 7 or 8, it is characterised in that before the website selects a transfer resource unit from the random access resource block, methods described also includes：

If the website and described access point are not associated, the website obtains temporary mark information out of identifier space, and the identification information of the website is specially the temporary mark information.
A kind of access point for resource allocation, it is characterised in that including：

First transmitting element, for sending the first downlink frame, the first configured information is included in first downlink frame, first configured information is used for the information of the random access resource block included for the instruction of at least one website within the uplink scheduling phase of the channel resource of described access point, and the random access resource block includes at least one Transfer resource unit, at least one described transfer resource unit is used at least one described website and sends the first instruction message；

The first instruction message that the first website that described access point is received at least one described website by a transfer resource unit at least one described transfer resource unit is sent；

First receiving unit, the first instruction message that the first website for being received by a transfer resource unit at least one described transfer resource unit at least one described website is sent；The first instruction message is used to indicate that first website has uplink channel resources demand, and the first instruction message includes the identification information of first website；

Authentication unit, for verifying whether the first instruction message is effective first instruction message；

Allocation unit, for being that first website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message when the described first instruction message is effective first instruction message.
According to claim 11 described access point, it is characterised in that first receiving unit includes：

First receiving module, for by provided with a transfer resource unit at least one transfer resource unit described in sequence number receive the first website at least one website by according to default rule from it is described be provided with least one transfer resource unit described in sequence number in described first indicate message transmitted by a transfer resource unit selecting.
According to claim 12 described access point, it is characterised in that the authentication unit is specifically included：

Computing module, the respective value of the identification information for calculating first website by the preset rules；

Judge module, indicates whether the transfer resource unit number that message passed through is corresponding for judging that the respective value and described access point receive described first；When the respective value and described access point receive described first indicate transfer resource unit number that message passed through to it is corresponding when then determine that described first indicates that message is the effective first instruction message, when the respective value and described access point receive described first indicate transfer resource unit number that message passed through not to it is corresponding when described in first indicate that message is the invalid first instruction message.
According to claim 11 to 13 wherein any one described access point, it is characterised in that the allocation unit includes：

First distribute module, the uplink channel resources for according to the described first instruction message within the uplink scheduling phase of the channel resource of described access point being the first website distribution preset length；Or, first instruction Size or first website of the message also including the uplink channel resources required for first website need the data cached size of uplink, the size or first website of uplink channel resources of the described access point according to required for first website included in the described first instruction message need the data cached size of uplink, for the uplink channel resources needed for first website is distributed within the uplink scheduling phase of the channel resource of described access point.
According to claim 11 to 13 wherein any one described access point, it is characterised in that described access point also includes：

Second transmitting element, after receiving the first instruction message that first website is sent in first receiving unit, the second downlink frame is sent to first website, second downlink frame includes the second configured information, and second configured information is used to indicate to send the second channel resource for indicating message for first website for first website；The size or first website of uplink channel resources required for the second instruction message carrying, first website need the data cached size of uplink；

Second receiving unit, message is indicated for receiving described second transmitted by channel resource of first website according to indicated by second configured information；

The allocation unit includes the second distribute module, size or first website for the uplink channel resources according to required for first website included in the described second instruction message need the data cached size of uplink, and uplink channel resources are distributed to first website within the uplink scheduling phase of the channel resource of described access point.
According to claim 11 to 15 wherein any one described access point, it is characterised in that first transmitting element includes：

First sending module, for sending the first downlink frame, flag bit and indicating bit are carried in the SIG fields on the physical frame head of first downlink frame or in physical frame data division, the flag bit is used for instruction and includes random access resource block within the uplink scheduling phase of channel resource, and the indicating bit is used for the information for indicating random access resource block.
A kind of website for resource allocation, it is characterised in that including：

3rd receiving unit, the first downlink frame for receiving access point transmission, first downlink frame includes the first configured information, first configured information is used to be to indicate the information of random access resource block that includes within the uplink scheduling phase of the channel resource of described access point including at least one website including the website, the random access resource block includes at least one transfer resource unit, and at least one described transfer resource unit is used at least one described website and sent for indicating that website has the first instruction message of uplink channel resources demand；

Selecting unit, for selecting a transfer resource unit from the random access resource block；

3rd transmitting element, message is indicated for sending described first to access point by selected transfer resource unit, the first instruction message includes the identification information of the website, it is that the website distributes uplink channel resources within the uplink scheduling phase of the channel resource of described access point according to the described first instruction message during so that described access point checking described first indicating that message indicates message for effective first.
The website according to claim 17, it is characterised in that the selecting unit specifically for：

The respective value of the identification information of the website is calculated by preset rules, the transfer resource unit corresponding with the respective value provided with selection sequence number at least one transfer resource unit described in sequence number included from random access resource block.
The website according to claim 17 or 18, it is characterised in that the website also includes：

4th receiving unit, after the first instruction message being sent for the transfer resource unit by the selection to access point, receive the second downlink frame that described access point is sent, second downlink frame includes the second configured information, and it is that the website indicates to send the second channel resource for indicating message that second configured information, which is used for described access point,；The size of uplink channel resources required for the second instruction message carrying website；

4th transmitting element, described second is sent to described access point indicate message for the channel resource according to indicated by second configured information, so as to the size of uplink channel resources of the described access point according to required for the website included in the described second instruction message, the uplink channel resources needed for being distributed within the uplink scheduling phase of the channel resource of described access point to the website.
The website according to the wherein any one of claim 17 or 18, it is characterised in that the website also includes：

Acquiring unit, before selecting from the random access resource block transfer resource unit for the website, if the website and described access point are not associated, the website obtains temporary mark information out of identifier space, and the identification information of the website is specially the temporary mark information.