CN109819519A

CN109819519A - A kind of data transmission method and device

Info

Publication number: CN109819519A
Application number: CN201711153510.2A
Authority: CN
Inventors: 吴伟民; 邓莹莹; 于健; 韩霄
Original assignee: Huawei Technologies Co Ltd
Current assignee: Huawei Technologies Co Ltd
Priority date: 2017-11-20
Filing date: 2017-11-20
Publication date: 2019-05-28
Anticipated expiration: 2037-11-20
Also published as: CN109819519B

Abstract

The embodiment of the present application discloses a kind of data transmission method and device, this method comprises: access point sends scheduling formula association-beam forming training A-BFT frame to website in low frequency, scheduling formula A-BFT frame is used to indicate website time slot scheduling corresponding to the section A-BFT；The sector scanning SSW frame that access point is sent in high-frequency reception website in time slot scheduling, time slot scheduling are that website is determined according to scheduling formula A-BFT frame.The embodiment of the present application can generate conflict because of competition slot to avoid website, access point can distribute time slot scheduling corresponding to the section A-BFT by scheduling formula A-BFT frame for website, so that website can send SSW frame in the time slot scheduling that access point distributes, guarantee that website can complete uplink sector scanning faster.Moreover, the access point of the embodiment of the present application sends scheduling formula A-BFT frame to website in low frequency, it is possible to reduce the expense of high frequency channel.

Description

A kind of data transmission method and device

Technical field

The invention relates to fields of communication technology, more specifically, being related to data transmission method and device.

Background technique

WLAN (Wireless Local Area Network, WLAN) is usually operated at unlicensed spectrum, frequency range It is broadly divided into 1GHz or less, 2.4GHz, 5GHz and 60GHz etc..Wherein, 7GHz frequency range below is usually known as low frequency, it will The frequency range of 28GHz or more is referred to as high frequency.

In order to realize that data are transmitted on high frequency channel, access point and website need to complete the access process of high frequency channel. Shown in Figure 1, the access process shown in FIG. 1 for high frequency channel, the access process of high frequency channel is to be with beacon interval A cycle.Beacon interval includes beacon header instruction (Beacon Header Indication, BHI) and data transfer interval (Data Transmission Interval, DTI).

Beacon header instruction includes beacon transmission interval (Beacon Transmission Interval, BTI), association-wave Beam forming training (Association Beamforming Training, A-BFT) and bulletin transmission intercal (Announcement Transmission Interval, ATI).Wherein, access point can be sent out in beacon transmission interval according to sector number to website Multiple beacon frames are sent, downlink sector scanning is used for；Association-beam forming training with website for being associated and uplink fan Domain scanning；It announces transmission intercal and distributes data transfer interval for access point to the data cached information of website poll and to website Resource in (Data Transmission Interval, DTI).Entire data transfer interval can be divided into several sub-districts Between, each subinterval can be divided into based on (Contention Based Access during contention access according to the form of access Period, CBAP) and task interval (Service Period, SP).

In the access process of high frequency channel mentioned above, it is excessive that this transmission mechanism will lead to high frequency channel expense.

Summary of the invention

The embodiment of the present application provides a kind of data transmission method and device, for solving under existing transmission mechanism, high frequency The excessive problem of channel overhead.

In a first aspect, the embodiment of the present application provides a kind of data transmission method, can to receive scheduling formula A-BFT The website of frame sends SSW frame in the time slot scheduling that access point distributes, and guarantees that website can complete uplink sector scanning faster. This method comprises:

Access point sends scheduling formula association-beam forming training A-BFT frame to website in low frequency, and scheduling formula A-BFT frame is used In instruction website time slot scheduling corresponding to the section A-BFT；

The sector scanning SSW frame that access point is sent in high-frequency reception website in time slot scheduling, time slot scheduling be website according to What scheduling formula A-BFT frame determined.

In the first aspect, the embodiment of the present application can generate conflict to avoid website because of competition slot, and access point is logical Time slot scheduling corresponding to the section A-BFT can be distributed for website by crossing scheduling formula A-BFT frame, so that website can be in access point point SSW frame is sent in the time slot scheduling matched, and guarantees that website can complete uplink sector scanning faster.Moreover, the embodiment of the present application Access point low frequency to website send scheduling formula A-BFT frame, it is possible to reduce the expense of high frequency channel.

Second aspect, the embodiment of the present application provide a kind of data transmission method, the case where reducing high frequency channel expense Under, website can be made to complete uplink sector scanning faster.This method comprises:

The scheduling formula A-BFT frame that website is sent in low frequency reception access point, scheduling formula A-BFT frame are used to indicate website in A- Time slot scheduling corresponding to the section BFT；

Website sends sector scanning SSW frame to access point in high frequency and in time slot scheduling, and time slot scheduling is website according to tune What degree formula A-BFT frame determined.

In second aspect, the embodiment of the present application can generate conflict to avoid website because of competition slot, and access point is logical Time slot scheduling corresponding to the section A-BFT can be distributed for website by crossing scheduling formula A-BFT frame, so that website can be in access point point SSW frame is sent in the time slot scheduling matched, and guarantees that website can complete uplink sector scanning faster.Moreover, the embodiment of the present application Access point low frequency to website send scheduling formula A-BFT frame, it is possible to reduce the expense of high frequency channel.

The third aspect, the embodiment of the present application provide a kind of data transmission method, the case where reducing high frequency channel expense Under, allow access point that can understand the low frequency of website and/or the channel conditions of high frequency.This method comprises:

Access point sends low-frequency beacon frame to website in low frequency, when including the transmission of high frequency beacon frame in low-frequency beacon frame Between；

Access point sends high frequency beacon frame to website according to sending time in high frequency；

The received signal strength indicator of low-frequency beacon frame and/or high frequency beacon frame that access point is sent in low frequency reception website The feedback information of RSSI, feedback information are used to indicate the low frequency of website and/or the channel conditions of high frequency.

In a third aspect, access point is sent in low frequency reception website low-frequency beacon frame and/or high frequency beacon frame The feedback information of RSSI can make access point understand the low frequency of website and/or the channel conditions of high frequency；Moreover, access point is low The feedback information that frequency receives RSSI can reduce the expense of high frequency channel.

Fourth aspect, the embodiment of the present application provide a kind of data transmission method, the case where reducing high frequency channel expense Under, website can be made to the channel conditions of access point feedback website.This method comprises:

The low-frequency beacon frame that website is sent in low frequency reception access point includes the transmission of high frequency beacon frame in low-frequency beacon frame Time；

Website receives the high frequency beacon frame that access point is sent in high frequency and in sending time；

The RSSI of station for acquiring low-frequency beacon frame and/or high frequency beacon frame；

Website sends the feedback information of the RSSI of low-frequency beacon frame and/or high frequency beacon frame, feedback in low frequency to access point Information is used to indicate the low frequency of website and/or the channel conditions of high frequency.

In fourth aspect, website can send low-frequency beacon frame and/or high frequency beacon frame to access point in low frequency The feedback information of RSSI, to make the channel conditions of access point understanding website；Moreover, website sends RSSI to access point in low frequency Feedback information, so the embodiment of the present application can reduce the expense of high frequency channel.

5th aspect, the embodiment of the present application provide a kind of data transmission method, access point can be made to send out to multiple websites The more efficient of the feedback information of sector scanning is sent, and SSW ACK can have been asked for multiple websites by SSW trigger frame Frame.This method comprises:

Access point low frequency to website send SSW trigger frame, SSW trigger frame be used to indicate sector scanning feedback information and The resource indication information that the feedback SSW ACK frame of website uses；

The SSW ACK frame that access point is sent in low frequency reception website, SSW ACK frame are that website is stood according in SSW trigger frame The corresponding resource indication information of point is sent in the corresponding resource unit of website according to the corresponding physical layer parameter of website.

The 5th aspect in, access point low frequency to website send SSW trigger frame, access point can allow multiple websites according to SSW trigger frame recognizes the feedback information of sector scanning, so access point sends the feedback information of sector scanning to multiple websites It is more efficient；Moreover, the money that access point can also allow multiple websites to recognize that the feedback frame of website is used according to SSW trigger frame Source indicates information, so access point has asked for SSW ACK frame to multiple websites by SSW trigger frame；In addition, the embodiment of the present application Access point low frequency send SSW trigger frame, it is possible to reduce the expense of high frequency channel.

In conjunction with above-mentioned 5th aspect, in one possible implementation, the feedback information of sector scanning includes sector choosing It selects, day line options, signal-to-noise ratio are reported or whether need at least one of poll；

Resource indication information includes at least one of the resource unit used, the coding of use or modulation system.

6th aspect, the embodiment of the present application provide a kind of data transmission method, access point can be made to send out to multiple websites The more efficient of the feedback information of sector scanning is sent, and SSW ACK can have been asked for multiple websites by SSW trigger frame Frame.This method comprises:

The SSW trigger frame that website is sent in low frequency reception access point, SSW trigger frame are used to indicate the feedback letter of sector scanning The resource indication information that the feedback SSW ACK frame of breath and website uses；

Website sends SSW ACK frame to access point in low frequency, and SSW ACK frame is website according to website pair in SSW trigger frame The resource indication information answered is sent in the corresponding resource unit of website according to the corresponding physical layer parameter of website.

The 6th aspect in, the SSW trigger frame that website is sent in low frequency reception access point, can allow multiple websites according to SSW trigger frame recognizes the feedback information of sector scanning, so multiple websites can receive the sector scanning of access point transmission Feedback information it is more efficient；Moreover, it is also possible to which multiple websites is allowed to recognize that the feedback frame of website uses according to SSW trigger frame Resource indication information, so multiple websites can according to SSW trigger frame to access point feed back SSW ACK frame；In addition, the application For the website of embodiment in low frequency reception SSW trigger frame, channel is more stable, and robustness is good, it is possible to reduce the expense of high frequency channel.

In conjunction with above-mentioned 6th aspect, in one possible implementation, the feedback information of sector scanning includes sector choosing It selects, day line options, signal-to-noise ratio are reported or whether need at least one of poll；

7th aspect, the embodiment of the present application provide a kind of data transmission method, and access point can be more efficient to multiple Website conveys the data transfer demands of collection site, moreover, access point can also receive multiple websites faster is based on data The feedback of transmission demand.This method comprises:

Access point sends Empty packet feedback report poll NDP feedback Report Poll to website in low frequency Trigger frame, NDP feedback Report Poll trigger frame are used for the data transfer demands of collection site.

In the 7th aspect, access point sends NDP feedback Report Poll trigger frame to website in low frequency, can So that multiple websites receive NDP feedback Report Poll trigger frame simultaneously, guarantee multiple websites while recognizing to connect Access point wants the data transfer demands of collection site, and middle access point is sent to each website one by one in high frequency compared with the existing technology takes turns For asking frame, the NDP feedback Report Poll trigger frame of the embodiment of the present application more efficient can be passed to multiple websites Up to the data transfer demands of collection site, moreover, access point can also receive multiple websites faster to be needed based on data transmission The feedback asked.In addition, the access point of the embodiment of the present application sends NDP feedback Report Poll touching to website in low frequency Send out frame, it is possible to reduce the expense of high frequency channel.

In conjunction with above-mentioned 7th aspect, in one possible implementation, NDP feedback Report Poll triggering Frame includes feedback type field；

Feedback type field is used to indicate website and needs to feed back whether have low frequency transmitting uplink data demand；Alternatively,

Feedback type field is used to indicate website and needs to feed back whether have high frequency upstream data transfer demands；Alternatively,

Feedback type field is used to indicate website and needs to feed back whether wish upload service interval requests SPR frame to show height Frequency uplink demand；Alternatively,

Feedback type field is used to indicate website and needs to feed back whether wish to be updated uplink alignment.

Eighth aspect, the embodiment of the present application provide a kind of data transmission method, can make multiple websites while recognize Access point wants the data transfer demands of collection site, and multiple websites can also be sent faster to access point and be transmitted based on data The feedback of demand.This method comprises:

The NDP feedback Report Poll trigger frame that website is sent in low frequency reception access point, NDP feedback Report Poll trigger frame is used for the data transfer demands of collection site.

In eighth aspect, multiple websites can receive NDP feedback Report Poll trigger frame simultaneously, protect It demonstrate,proves multiple websites while recognizing that access point wants the data transfer demands of collection site；Moreover, the NDP of the embodiment of the present application Feedback Report Poll trigger frame can it is more efficient to multiple websites convey collection site data transfer demands, it is more A website can also send the feedback based on data transfer demands to access point faster.In addition, the website of the embodiment of the present application In the NDP feedback Report Poll trigger frame that low frequency reception to access point is sent, it is possible to reduce high frequency channel is opened Pin.

In conjunction with above-mentioned eighth aspect, in one possible implementation, NDP feedback Report Poll triggering Frame includes feedback type field；

9th aspect, the embodiment of the present application provide a kind of data transmission method, more efficient can pass to multiple websites Up to the demand for asking for high frequency caching, moreover, access point can also receive the feedback that multiple websites are cached based on high frequency faster. This method comprises:

Access point sends high frequency caching report HF BSR trigger frame to website in low frequency or high frequency task interval requests HF SPR trigger frame, HF BSR trigger frame or HF SPR trigger frame are used to ask for high frequency caching to website is detailed；

The HF BSR frame or HF SPR frame that access point is sent in low frequency reception website, HF BSR frame or HF SPR frame are websites It is sent according to the corresponding resource indication information of website in HF BSR trigger frame or HF SPR trigger frame.

In the 9th aspect, access point sends HF BSR trigger frame or HF SPR trigger frame to website in low frequency, can make Multiple websites receive HF BSR trigger frame or HF SPR trigger frame simultaneously, guarantee multiple websites while recognizing access point to station Point it is detailed asks for high frequency caching, compared with the existing technology in access point high frequency one by one to each website send poll frame and Speech, the HF BSR trigger frame or HF SPR trigger frame of the embodiment of the present application more efficient can ask for high frequency to the reception and registration of multiple websites The demand of caching, moreover, access point can also receive the feedback that multiple websites are cached based on high frequency faster.In addition, this Shen Please the access point of embodiment send HF BSR trigger frame or HF SPR trigger frame to website in low frequency, it is possible to reduce high frequency channel Expense.

Tenth aspect, the embodiment of the present application provide a kind of data transmission method, the reception access that website can be more efficient What point was conveyed asks for the demand of high frequency caching, moreover, website can also be sent faster to access point be cached based on high frequency it is anti- Feedback.This method comprises:

The HF BSR trigger frame or HF SPR trigger frame, HF BSR trigger frame or HF that website is sent in low frequency reception access point SPR trigger frame is used to ask for high frequency caching to website is detailed；

Website sends HF BSR frame or HF SPR frame to website in low frequency, and HF BSR frame or HF SPR frame are websites according to HF The corresponding resource indication information of website is sent in BSR trigger frame or HF SPR trigger frame.

In the tenth aspect, the HF BSR trigger frame or HF SPR trigger frame that website is sent in low frequency reception access point can So that multiple websites receive HF BSR trigger frame or HF SPR trigger frame simultaneously, guarantees multiple websites while recognizing access point High frequency caching is asked for website is detailed, middle access point sends poll frame to each website one by one in high frequency compared with the existing technology For, the HF BSR trigger frame or HF SPR trigger frame of the embodiment of the present application more efficient can ask for height to the reception and registration of multiple websites The demand of frequency caching, moreover, website can also send the feedback cached based on high frequency to access point faster.In addition, the application The HF BSR trigger frame or HF SPR trigger frame that the website of embodiment is sent in low frequency reception access point, it is possible to reduce high frequency channel Expense.

Tenth on the one hand, and the embodiment of the present application provides a kind of data transmission method, and access point is sent in low frequency to website Low-and high-frequency mixed scheduling trigger frame can dispatch simultaneously website the data of low frequency and high frequency transmit.This method comprises:

Access point sends the trigger frame of low-and high-frequency mixed scheduling in low frequency to website, in the trigger frame of low-and high-frequency mixed scheduling In there are when target identification, the trigger frame that target identification is used to indicate low-and high-frequency mixed scheduling includes low frequent user information and high frequency User information；

Low frequent user information carries out data transmission for dispatching website in low frequency, and high frequency user information exists for dispatching website High frequency carries out data transmission.

In the tenth one side, if there are target identifications in the trigger frame of low-and high-frequency mixed scheduling, illustrate height It include low frequent user information and high frequency user information in the trigger frame of frequency mixed scheduling.Trigger frame in compared with the existing technology is only For low frequent user information or high frequency user information can be carried, the trigger frame of the low-and high-frequency mixed scheduling in the embodiment of the present application can To carry low frequent user information and high frequency user information simultaneously, so the trigger frame by low-and high-frequency mixed scheduling can be adjusted simultaneously It spends website to transmit in the data of low frequency and high frequency, to refer to efficiency of transmission.In addition, the access point of the embodiment of the present application is low Frequency sends the trigger frame of low-and high-frequency mixed scheduling to website, it is possible to reduce the expense of high frequency channel.

On the one hand in conjunction with the above-mentioned tenth, in one possible implementation, the trigger frame of low-and high-frequency mixed scheduling includes Low-and high-frequency distinguishing identifier, it is low frequency that low-and high-frequency distinguishing identifier, which is used to indicate the user information in the trigger frame of low-and high-frequency mixed scheduling, User information or high frequency user information.

Wherein, due to access point into the trigger frame for the low-and high-frequency mixed scheduling that website is sent include low frequent user information and High frequency user information, in order to make website can recognize that the user information low frequent user in the trigger frame of low-and high-frequency mixed scheduling Information or high frequency user information, access point need that low-and high-frequency distinguishing identifier is added in the trigger frame of low-and high-frequency mixed scheduling, so that Website can recognize that the user information in the trigger frame of low-and high-frequency mixed scheduling is low frequent user according to low-and high-frequency distinguishing identifier Information or high frequency user information.

On the one hand in conjunction with the above-mentioned tenth, in one possible implementation, low-and high-frequency distinguishing identifier is arranged in low-and high-frequency In each user information of the trigger frame of mixed scheduling, low-and high-frequency distinguishing identifier is mark or the high frequency user of low frequent user information The mark of information；Alternatively,

Low-and high-frequency distinguishing identifier is arranged in the public domain of the trigger frame of low-and high-frequency mixed scheduling, low-and high-frequency distinguishing identifier For low frequent user information or the quantity of high frequency user information；Alternatively,

The low frequent user information and high frequency user letter of the trigger frame of low-and high-frequency mixed scheduling is arranged in low-and high-frequency distinguishing identifier Between breath, low-and high-frequency distinguishing identifier is the separator for separating low frequent user information and high frequency user information.

12nd aspect, the embodiment of the present application provide a kind of data transmission method, and website is sent out in low frequency reception access point The trigger frame of the low-and high-frequency mixed scheduling sent can dispatch website simultaneously and transmit in the data of low frequency and high frequency.This method comprises:

The trigger frame for the low-and high-frequency mixed scheduling that website is sent in low frequency reception access point, in the touching of low-and high-frequency mixed scheduling Send out in frame there are when target identification, target identification be used to indicate low-and high-frequency mixed scheduling trigger frame include low frequent user information and High frequency user information；

In the 12nd aspect, if there are target identifications in the trigger frame of low-and high-frequency mixed scheduling, illustrate height It include low frequent user information and high frequency user information in the trigger frame of frequency mixed scheduling.Trigger frame in compared with the existing technology is only For low frequent user information or high frequency user information can be carried, the trigger frame of the low-and high-frequency mixed scheduling in the embodiment of the present application can To carry low frequent user information and high frequency user information simultaneously, so the trigger frame by low-and high-frequency mixed scheduling can be adjusted simultaneously It spends website to transmit in the data of low frequency and high frequency, to refer to efficiency of transmission.In addition, the website of the embodiment of the present application is in low frequency Receive the trigger frame for the low-and high-frequency mixed scheduling that access point is sent, it is possible to reduce the expense of high frequency channel.

In conjunction with above-mentioned 12nd aspect, in one possible implementation, the trigger frame of low-and high-frequency mixed scheduling includes Low-and high-frequency distinguishing identifier, it is low frequency that low-and high-frequency distinguishing identifier, which is used to indicate the user information in the trigger frame of low-and high-frequency mixed scheduling, User information or high frequency user information.

Wherein, due in the trigger frame of low-and high-frequency mixed scheduling include low frequent user information and high frequency user information, in order to Website is set to can recognize that the user information low frequent user information in the trigger frame of low-and high-frequency mixed scheduling or high frequency user letter Low-and high-frequency distinguishing identifier is added in the trigger frame of low-and high-frequency mixed scheduling, so that website can according to low-and high-frequency distinguishing identifier in breath Identify that the user information in the trigger frame of low-and high-frequency mixed scheduling is low frequent user information or high frequency user information.

In conjunction with above-mentioned 12nd aspect, in one possible implementation, low-and high-frequency distinguishing identifier is arranged in low-and high-frequency In each user information of the trigger frame of mixed scheduling, low-and high-frequency distinguishing identifier is mark or the high frequency user of low frequent user information The mark of information；Alternatively,

13rd aspect, the embodiment of the present application provide a kind of data transmission method, and access point is sent in low frequency to website A-MPDU aggregate frame can dispatch simultaneously website the data of low frequency and high frequency transmit.This method comprises:

Access point sends aggregated media to website in low frequency and intervenes control protocol data cell A-MPDU aggregate frame, A-MPDU Aggregate frame includes low frequency trigger frame and the first bulletin frame, and low frequency trigger frame includes low frequent user information, the side in the first bulletin frame The more gigabit extensible elements of tropism and/or the more gigabit extensible elements of enhanced directionality include high frequency user information；

The 13rd aspect in, the A-MPDU aggregate frame in the embodiment of the present application can carry simultaneously low frequent user information and High frequency user information is transmitted so can dispatch website simultaneously by A-MPDU aggregate frame in the data of low frequency and high frequency, thus Refer to efficiency of transmission.In addition, the access point of the embodiment of the present application sends A-MPDU aggregate frame to website in low frequency, it is possible to reduce The expense of high frequency channel.

Fourteenth aspect, the embodiment of the present application provide a kind of data transmission method, and website is sent out in low frequency reception access point The A-MPDU aggregate frame sent can dispatch website simultaneously and transmit in the data of low frequency and high frequency.This method comprises:

The A-MPDU aggregate frame that website is sent in low frequency reception access point, A-MPDU aggregate frame include low frequency trigger frame and One bulletin frame, low frequency trigger frame include low frequent user information, the more gigabit extensible elements of directionality and/or increasing in the first bulletin frame The more gigabit extensible elements of strong type directionality include high frequency user information；

In fourteenth aspect, the A-MPDU aggregate frame in the embodiment of the present application can carry simultaneously low frequent user information and High frequency user information is transmitted so can dispatch website simultaneously by A-MPDU aggregate frame in the data of low frequency and high frequency, thus Refer to efficiency of transmission.It, can be in addition, the A-MPDU aggregate frame that the website of the embodiment of the present application is sent in low frequency reception access point Reduce the expense of high frequency channel.

15th aspect, the embodiment of the present application provide a kind of data transmission method, and access point is sent in low frequency to website Second bulletin frame can dispatch simultaneously website the data of low frequency and high frequency transmit.This method comprises:

Access point sends the second bulletin frame to website in low frequency, and the low frequency in the action action frame of the second bulletin frame triggers information word Element includes low frequent user information, the more gigabit extensible elements of directionality and/or enhanced direction in the action action frame of the second bulletin frame The more gigabit extensible elements of property include high frequency user information；

In the 15th aspect, the second bulletin frame in the embodiment of the present application can carry low frequent user information and height simultaneously Frequency user information is transmitted so can dispatch website simultaneously by the second bulletin frame in the data of low frequency and high frequency, to mention Efficiency of transmission.In addition, the access point of the embodiment of the present application sends the second bulletin frame to website in low frequency, it is possible to reduce high frequency letter The expense in road.

16th aspect, the embodiment of the present application provide a kind of data transmission method, and website is sent out in low frequency reception access point The the second bulletin frame sent can dispatch website simultaneously and transmit in the data of low frequency and high frequency.This method comprises:

The second bulletin frame that website is sent in low frequency reception access point, the second low frequency announced in the action action frame of frame trigger letter Breath element includes low frequent user information, more gigabit extensible elements of directionality in the action action frame of the second bulletin frame and/or enhanced The more gigabit extensible elements of directionality include high frequency user information；

In the 16th aspect, the second bulletin frame in the embodiment of the present application can carry low frequent user information and height simultaneously Frequency user information is transmitted so can dispatch website simultaneously by the second bulletin frame in the data of low frequency and high frequency, to mention Efficiency of transmission.In addition, the second bulletin frame that the website of the embodiment of the present application is sent in low frequency reception access point, it is possible to reduce high The expense of frequency channel.

17th aspect, the embodiment of the present application provide a kind of data transmission method, can make the low frequency and height of access point The transmission opportunity of frequency starts at the same time, and guarantees the high and low frequency of website while receiving uncontested-end.The party Method includes:

For access point when low frequency sends request transmission or multi-user-request transmission to website, access point passes through first object Delay time sends request transmission to website in high frequency or multi-user-request is sent；

When access point terminates to send the transmission opportunity of high and low frequency to website, access point sends nothing to website in low frequency Competition-end；

Access point sends uncontested-end to website in high frequency by the second target delay time.

The 17th aspect in, the embodiment of the present application can not only make access point low frequency and high frequency transmission opportunity in phase The same time starts, it can also be ensured that the high and low frequency of website receives uncontested-end simultaneously.

18th aspect, the embodiment of the present application provide a kind of data transmission method, can make the biography of access point and website It is defeated to be confirmed and retransmitted using low frequency, the resource of high frequency is used for data transmission.This method comprises:

Access point sends the first data to website in low frequency；

Access point sends the second data to website in high frequency；

Access point is in low frequency to website transmission block confirmation request or multi-user-block confirmation request；

Access point confirms what low frequency reception website was sent for the block of the first data and the second data.

The 18th aspect in, the embodiment of the present application can make the transmission of access point and website using low frequency carry out confirmation and It retransmits, the resource of high frequency is used for data transmission, optimization system resource allocation, thus maximum system efficiency.

19th aspect, the embodiment of the present application provides a kind of data transmission device, for executing first aspect or first Side in any possible implementation of method, the third aspect or the third aspect in any possible implementation of aspect It is any in terms of method, the 7th aspect or the 7th in any possible implementation of method, the 5th aspect or the 5th aspect Method, the 9th aspect in possible implementation or the method in any possible implementation of the 9th aspect, the 11st side Any possibility of method, the 13rd aspect or the 13rd aspect in any possible implementation of face or the tenth one side Method, the 15th aspect in implementation or the method in any possible implementation of the 15th aspect, the 17th side Method or the 18th aspect or the 18th any of aspect in any possible implementation of face or the 17th aspect can The method being able to achieve in mode.

In 19 aspects, which includes for executing any of above-mentioned first aspect or first aspect Method, the 5th aspect in any possible implementation of method, the third aspect or the third aspect in possible implementation Or any possible implementation of the method, the 7th aspect or the 7th aspect in any possible implementation in terms of the 5th In method, the 9th aspect or the 9th aspect any possible implementation in method, the tenth on the one hand or the 11st side In any possible implementation of method, the 13rd aspect or the 13rd aspect in any possible implementation in face Method, the 17th aspect or the 17th side in any possible implementation of method, the 15th aspect or the 15th aspect In any possible implementation of method or the 18th aspect or the 18th aspect in any possible implementation in face Method functional module.

20th aspect, the embodiment of the present application provides a kind of data transmission device, for executing second aspect or second Side in any possible implementation of method, fourth aspect or fourth aspect in any possible implementation of aspect Method, eighth aspect or eighth aspect in any possible implementation of method, the 6th aspect or the 6th aspect it is any Method, the tenth aspect in possible implementation or the method in any possible implementation of the tenth aspect, the 12nd side Any possibility of method, fourteenth aspect or fourteenth aspect in any possible implementation of face or the 12nd aspect Method or the 16th aspect in implementation or the method in any possible implementation of the 16th aspect.

In 20 aspects, which includes for executing any of above-mentioned second aspect or second aspect Method, the 6th aspect in any possible implementation of method, fourth aspect or fourth aspect in possible implementation Or any possible implementation of the method, eighth aspect or eighth aspect in any possible implementation in terms of the 6th In method, the tenth aspect or the tenth aspect any possible implementation in method, the 12nd aspect or the 12nd side In any possible implementation of method, fourteenth aspect or fourteenth aspect in any possible implementation in face The functional module of method in any possible implementation of method or the 16th aspect or the 16th aspect.

With reference to the above first aspect, in one possible implementation, access point sends scheduling formula to website in low frequency Before association-beam forming training A-BFT frame, method further include:

Wherein, the feedback of the RSSI of access point is sent in low frequency reception website low-frequency beacon frame and/or high frequency beacon frame Information can make access point understand the low frequency of website and/or the channel conditions of high frequency；Moreover, access point is in low frequency reception RSSI Feedback information can reduce the expense of high frequency channel.

With reference to the above first aspect, in one possible implementation, access point is in high-frequency reception website in scheduling After the SSW frame that gap is sent, method further include:

Wherein, access point sends SSW trigger frame to website in low frequency, and access point can allow multiple websites to be triggered according to SSW Frame recognizes the feedback information of sector scanning, thus access point to multiple websites send sector scanning feedback information efficiency more It is high；Moreover, the resource instruction letter that access point can also allow multiple websites to recognize that the feedback frame of website is used according to SSW trigger frame Breath, so access point has asked for SSW ACK frame to multiple websites by SSW trigger frame；In addition, the access point of the embodiment of the present application SSW trigger frame is sent in low frequency, it is possible to reduce the expense of high frequency channel.

With reference to the above first aspect, in one possible implementation, the feedback information of sector scanning includes sector choosing It selects, day line options, signal-to-noise ratio are reported or whether need at least one of poll；

With reference to the above first aspect, in one possible implementation, the feedback information of RSSI includes low frequency mark, height Frequency marking is known, high frequency extends at least one of mark or high frequency RSSI；

Whether the RSSI that low frequency mark is used to indicate low-frequency beacon frame meets the range of low-frequency transmission；

High frequency mark is used to indicate the maximum that website receives the RSSI of the high frequency beacon frame of access point directive sending in omnidirectional Whether value meets high-frequency transmission range；

High frequency, which extends, identifies the RSSI's for being used to indicate website in the high frequency beacon frame of omnidirectional's reception access point directive sending Whether the sum of maximum value and target value meet high-frequency transmission range.

With reference to the above first aspect, in one possible implementation, access point is sent low in low frequency reception website After the feedback information of the RSSI of frequency beacon frame and/or high frequency beacon frame, method further include:

Wherein, access point sends NDP feedback Report Poll trigger frame to website in low frequency, can make multiple Website receives NDP feedback Report Poll trigger frame simultaneously, guarantees multiple websites while recognizing that access point will be received Collect website data transfer demands, compared with the existing technology in access point high frequency one by one to each website send poll frame and Speech, the NDP feedback Report Poll trigger frame of the embodiment of the present application more efficient can be conveyed to multiple websites collects The data transfer demands of website, moreover, access point can also receive multiple websites based on the anti-of data transfer demands faster Feedback.In addition, the access point of the embodiment of the present application sends NDP feedback Report Poll trigger frame to website in low frequency, it can To reduce the expense of high frequency channel.

With reference to the above first aspect, in one possible implementation, NDP feedback Report Poll is triggered Frame includes feedback type field；

Wherein, access point sends HF BSR trigger frame or HF SPR trigger frame to website in low frequency, can make multiple websites HF BSR trigger frame or HF SPR trigger frame are received simultaneously, guarantees multiple websites while recognizing that access point is detailed to website High frequency caching is asked for, middle access point is for high frequency sends poll frame to each website one by one compared with the existing technology, the application The HF BSR trigger frame or HF SPR trigger frame of embodiment more efficient can convey the need asking for high frequency and caching to multiple websites It asks, moreover, access point can also receive the feedback that multiple websites are cached based on high frequency faster.In addition, the embodiment of the present application Access point send HF BSR trigger frame or HF SPR trigger frame to website in low frequency, it is possible to reduce the expense of high frequency channel.

Wherein, access point in low frequency into the trigger frame for the low-and high-frequency mixed scheduling that website is sent, if low-and high-frequency mix There are target identifications in the trigger frame of scheduling, then illustrate include in the trigger frame of low-and high-frequency mixed scheduling low frequent user information and High frequency user information.For trigger frame in compared with the existing technology can only carry low frequent user information or high frequency user information, The trigger frame of low-and high-frequency mixed scheduling in the embodiment of the present application can carry low frequent user information and high frequency user information simultaneously, It is transmitted so website can be dispatched simultaneously by the trigger frame of low-and high-frequency mixed scheduling in the data of low frequency and high frequency, to mention Efficiency of transmission.In addition, the access point of the embodiment of the present application sends the trigger frame of low-and high-frequency mixed scheduling in low frequency to website, it can To reduce the expense of high frequency channel.

With reference to the above first aspect, in one possible implementation, the trigger frame of low-and high-frequency mixed scheduling includes height Low frequency distinguishing identifier, low-and high-frequency distinguishing identifier are used to indicate the user information in the trigger frame of low-and high-frequency mixed scheduling as low frequency use Family information or high frequency user information.

With reference to the above first aspect, in one possible implementation, the setting of low-and high-frequency distinguishing identifier is mixed in low-and high-frequency In each user information for closing the trigger frame of scheduling, low-and high-frequency distinguishing identifier is the mark or high frequency user letter of low frequent user information The mark of breath；Alternatively,

Wherein, the A-MPDU aggregate frame in the embodiment of the present application can carry low frequent user information and high frequency user letter simultaneously Breath transmits so can dispatch website simultaneously by A-MPDU aggregate frame in the data of low frequency and high frequency, to refer to transmit Efficiency.In addition, the access point of the embodiment of the present application sends A-MPDU aggregate frame to website in low frequency, it is possible to reduce high frequency channel Expense.

Wherein, the second bulletin frame in the embodiment of the present application can carry low frequent user information and high frequency user letter simultaneously Breath transmits so can dispatch website simultaneously by the second bulletin frame in the data of low frequency and high frequency, to refer to transmission effect Rate.In addition, the access point of the embodiment of the present application sends the second bulletin frame to website in low frequency, it is possible to reduce high frequency channel is opened Pin.

In conjunction with above-mentioned second aspect, in one possible implementation, the tune that website is sent in low frequency reception access point Before degree formula A-BFT frame, method further include:

Wherein, website can send the feedback of the RSSI of low-frequency beacon frame and/or high frequency beacon frame in low frequency to access point Information, to make the channel conditions of access point understanding website；Moreover, website sends the feedback letter of RSSI in low frequency to access point Breath, so the embodiment of the present application can reduce the expense of high frequency channel.

In conjunction with above-mentioned second aspect, in one possible implementation, website high frequency and in time slot scheduling to access After point sends sector scanning SSW frame, method further include:

Wherein, access point sends SSW trigger frame to website in low frequency, and access point can allow multiple websites to be triggered according to SSW Frame recognizes the feedback information of sector scanning, thus access point to multiple websites send sector scanning feedback information efficiency more It is high；Moreover, the resource instruction letter that access point can also allow multiple websites to recognize that the feedback frame of website is used according to SSW trigger frame Breath, so access point has asked for SSW ACK frame to multiple websites by SSW trigger frame；In addition, the access point of the embodiment of the present application SSW trigger frame is sent in low frequency, channel is more stable, and robustness is good, it is possible to reduce the expense of high frequency channel.

In conjunction with above-mentioned second aspect, in one possible implementation, the feedback information of sector scanning includes sector choosing It selects, day line options, signal-to-noise ratio are reported or whether need at least one of poll；

In conjunction with above-mentioned second aspect, in one possible implementation, the feedback information of RSSI includes low frequency mark, height Frequency marking is known, high frequency extends at least one of mark or high frequency RSSI；

In conjunction with above-mentioned second aspect, in one possible implementation, method further include:

Website sends data frame to access point in low frequency, and data frame includes the transmission request word of upstream data and high-frequency data Section, the transmission request field of high-frequency data are used to indicate website in the request of high-frequency transmission data.

Wherein, website can be taken in a data frame while low frequency sends the upstream data in data frame to access point Transmission request field with high-frequency data, thus website without waiting for access point send poll frame can active pass through data Frame carries the transmission request field of high-frequency data, guarantees that access point is recognized that website in high-frequency transmission data by data frame Request.In compared with the existing technology, access point sends poll frame to each website one by one in high frequency to obtain website in high frequency Transmit data request for, the embodiment of the present application data frame carry high-frequency data transmission request field by way of with Save the channel resource of high frequency.

In conjunction with above-mentioned second aspect, in one possible implementation, data frame includes control mark, access category ratio At least one of special bitmap, service identification difference or the request of high-frequency transmission duration.

In conjunction with above-mentioned second aspect, in one possible implementation, website sends low frequency letter to access point in low frequency After the feedback information for marking the RSSI of frame and/or high frequency beacon frame, method further include:

In conjunction with above-mentioned second aspect, in one possible implementation, NDP feedback Report Poll triggering Frame includes feedback type field；

In conjunction with above-mentioned second aspect, in one possible implementation, the NDP that website is sent in low frequency reception access point After feedback Report Poll trigger frame, method further include:

Website sends the NDP feedback information based on NDP feedback Report Poll trigger frame to access point；

Being used to indicate website in the feedback type field of NDP feedback Report Poll trigger frame and need to feed back is Not no when having low frequency transmitting uplink data demand, NDP feedback information includes first identifier or second identifier, and first identifier is used to indicate There is low frequency transmitting uplink data demand, second identifier is used to indicate no low frequency transmitting uplink data demand；Alternatively,

Being used to indicate website in the feedback type field of NDP feedback Report Poll trigger frame and need to feed back is No NDP feedback information includes third mark or the 4th mark when having high frequency upstream data transfer demands, and third mark is used to indicate There are high frequency upstream data transfer demands, the 4th mark, which is used to indicate, does not have high frequency upstream data transfer demands；Alternatively,

Being used to indicate website in the feedback type field of NDP feedback Report Poll trigger frame and need to feed back is It is no to wish upload service interval requests SPR frame come when showing high frequency upstream demand, NDP feedback information includes the 5th mark or the 6th Mark, the 5th mark, which is used to indicate, wishes upload service interval requests SPR frame to show that high frequency upstream demand, the 6th mark are used for Instruction is not intended to upload service interval requests SPR frame to show high frequency upstream demand；Alternatively,

Being used to indicate website in the feedback type field of NDP feedback Report Poll trigger frame and need to feed back is It is no wish to uplink alignment be updated when, NDP feedback information include the 7th mark or the 8th mark, the 7th mark be used to indicate Wish to be directed at uplink and be updated, the 8th mark is used to indicate to be not intended to be directed at uplink and be updated.

Wherein, website is after the NDP feedback Report Poll trigger frame that low frequency reception to access point is sent, Website can be sent out according to the concrete type of the feedback type field of NDP feedback Report Poll trigger frame to access point NDP feedback information is sent, to realize feedback of the website to access point based on data transfer demands.

20th on the one hand, and the embodiment of the present application provides a kind of data transmission device, can to receive scheduling formula The website of A-BFT frame sends SSW frame in the time slot scheduling that access point distributes, and guarantees that website can complete uplink sector faster Scanning.The device includes:

Sending module dispatches formula A- for sending scheduling formula association-beam forming training A-BFT frame to website in low frequency BFT frame is used to indicate website time slot scheduling corresponding to the section A-BFT；

Receiving module, the sector scanning SSW frame for sending in high-frequency reception website in time slot scheduling, time slot scheduling are station Point is determined according to scheduling formula A-BFT frame.

In the 20th one side, the embodiment of the present application can generate conflict to avoid website because of competition slot, access Point can distribute time slot scheduling corresponding to the section A-BFT by scheduling formula A-BFT frame for website, so that website can access SSW frame is sent in the time slot scheduling of point distribution, guarantees that website can complete uplink sector scanning faster.Moreover, the application is real The access point for applying example sends scheduling formula A-BFT frame to website in low frequency, it is possible to reduce the expense of high frequency channel.

On the one hand in conjunction with the above-mentioned 20th, in one possible implementation:

Sending module is also used to send low-frequency beacon frame to website in low frequency, includes high frequency beacon frame in low-frequency beacon frame Sending time；It is also used to send high frequency beacon frame to website according to sending time in high frequency；

Receiving module, the reception letter of the low-frequency beacon frame and/or high frequency beacon frame that are also used to send in low frequency reception website The feedback information of number intensity instruction RSSI, feedback information are used to indicate the low frequency of website and/or the channel conditions of high frequency.

Sending module is also used to send SSW trigger frame to website in low frequency, and SSW trigger frame is used to indicate sector scanning The resource indication information that the feedback sector scanning confirmation SSW ACK frame of feedback information and website uses；

Receiving module is also used to the SSW ACK frame sent in low frequency reception website, and SSW ACK frame is that website is touched according to SSW The corresponding resource indication information of website in frame is sent out to carry out in the corresponding resource unit of website according to the corresponding physical layer parameter of website It sends.

Whether the feedback information of sector scanning includes sector selection, the report of day line options, signal-to-noise ratio or needs in poll It is at least one；

The feedback information of RSSI includes at least one in low frequency mark, high frequency mark, high frequency extension mark or high frequency RSSI Kind；

Sending module is also used to send Empty packet feedback report poll NDP feedback to website in low frequency Report Poll trigger frame, NDP feedback Report Poll trigger frame are used for the data transfer demands of collection site.

On the one hand in conjunction with the above-mentioned 20th, in one possible implementation, NDP feedback Report Poll Trigger frame includes feedback type field；

Sending module is also used to send high frequency caching report HF BSR trigger frame or high frequency task interval to website in low frequency HF SPR trigger frame is requested, HF BSR trigger frame or HF SPR trigger frame are used to ask for high frequency caching to website is detailed；

Receiving module is also used to the HF BSR frame or HF SPR frame, HF BSR frame or HF sent in low frequency reception website SPR frame is that website is sent according to the corresponding resource indication information of website in HF BSR trigger frame or HF SPR trigger frame.

Sending module is also used to send the trigger frame of low-and high-frequency mixed scheduling to website in low frequency, mixes and adjust in low-and high-frequency There are when target identification in the trigger frame of degree, the trigger frame that target identification is used to indicate low-and high-frequency mixed scheduling includes low frequent user Information and high frequency user information；

On the one hand in conjunction with the above-mentioned 20th, in one possible implementation, the trigger frame packet of low-and high-frequency mixed scheduling Low-and high-frequency distinguishing identifier is included, it is low that low-and high-frequency distinguishing identifier, which is used to indicate the user information in the trigger frame of low-and high-frequency mixed scheduling, Frequency user information or high frequency user information.

On the one hand in conjunction with the above-mentioned 20th, in one possible implementation, the setting of low-and high-frequency distinguishing identifier is in height In each user information of the trigger frame of frequency mixed scheduling, low-and high-frequency distinguishing identifier is that the mark of low frequent user information or high frequency are used The mark of family information；Alternatively,

Sending module is also used to send aggregated media intervention control protocol data cell A-MPDU polymerization to website in low frequency Frame, A-MPDU aggregate frame include low frequency trigger frame and the first bulletin frame, and low frequency trigger frame includes low frequent user information, the first bulletin The more gigabit extensible elements of directionality and/or the more gigabit extensible elements of enhanced directionality in frame include high frequency user information；

Sending module is also used to send the second bulletin frame to website in low frequency, the low frequency in the action action frame of the second bulletin frame Triggering information element includes low frequent user information, more gigabit extensible elements of directionality in the action action frame of the second bulletin frame and/or The enhanced more gigabit extensible elements of directionality include high frequency user information；

22nd aspect, the embodiment of the present application provide a kind of data transmission device, are reducing high frequency channel expense In the case of, website can be made to complete uplink sector scanning faster.The device includes:

Receiving module, the scheduling formula A-BFT frame for sending in low frequency reception access point, scheduling formula A-BFT frame is for referring to Show website time slot scheduling corresponding to the section A-BFT；

Sending module, for sending sector scanning SSW frame to access point in high frequency and in time slot scheduling, time slot scheduling is station Point is determined according to scheduling formula A-BFT frame.

In the 22nd aspect, the embodiment of the present application can generate conflict to avoid website because of competition slot, access Point can distribute time slot scheduling corresponding to the section A-BFT by scheduling formula A-BFT frame for website, so that website can access SSW frame is sent in the time slot scheduling of point distribution, guarantees that website can complete uplink sector scanning faster.Moreover, the application is real The access point for applying example sends scheduling formula A-BFT frame to website in low frequency, it is possible to reduce the expense of high frequency channel.

In conjunction with above-mentioned 22nd aspect, in one possible implementation, which further includes obtaining module, In:

Receiving module is also used to the low-frequency beacon frame sent in low frequency reception access point, includes high frequency in low-frequency beacon frame The sending time of beacon frame；It is also used to receive the high frequency beacon frame that access point is sent in high frequency and in sending time；

Module is obtained, for obtaining the RSSI of low-frequency beacon frame and/or high frequency beacon frame；

Sending module, be also used to low frequency to access point send low-frequency beacon frame and/or high frequency beacon frame RSSI it is anti- Feedforward information, feedback information are used to indicate the low frequency of website and/or the channel conditions of high frequency.

In conjunction with above-mentioned 22nd aspect, in one possible implementation:

Receiving module, is also used to the SSW trigger frame sent in low frequency reception access point, and SSW trigger frame is used to indicate sector The resource indication information that the feedback information of scanning and the feedback SSW ACK frame of website use；

Sending module is also used to send SSW ACK frame to access point in low frequency, and SSW ACK frame is that website is triggered according to SSW The corresponding resource indication information of website is sent out in the corresponding resource unit of website according to the corresponding physical layer parameter of website in frame It send.

In conjunction with above-mentioned 22nd aspect, in one possible implementation, the feedback information of RSSI includes low frequency mark Know, high frequency mark, high frequency extend at least one of mark or high frequency RSSI；

Sending module is also used to send data frame to access point in low frequency, and data frame includes upstream data and high-frequency data Transmission request field, the transmission request field of high-frequency data is used to indicate website in the request of high-frequency transmission data.

In conjunction with above-mentioned 22nd aspect, in one possible implementation, data frame includes control mark, access class At least one of other bit map, service identification difference or the request of high-frequency transmission duration.

Receiving module is also used to the NDP feedback Report Poll trigger frame sent in low frequency reception access point, NDP feedback Report Poll trigger frame is used for the data transfer demands of collection site.

In conjunction with above-mentioned 22nd aspect, in one possible implementation, NDP feedback Report Poll Trigger frame includes feedback type field；

Sending module is also used to send the NDP based on NDP feedback Report Poll trigger frame to access point anti- Feedforward information；

Receiving module is also used to the HF BSR trigger frame or HF SPR trigger frame sent in low frequency reception access point, HF BSR trigger frame or HF SPR trigger frame are used to ask for high frequency caching to website is detailed；

Sending module is also used to send HF BSR frame or HF SPR frame, HF BSR frame or HF SPR frame to website in low frequency It is that website is sent according to the corresponding resource indication information of website in HF BSR trigger frame or HF SPR trigger frame.

23rd aspect, the embodiment of the present application provide a kind of data transmission device, which includes: transceiver, place Manage device and memory, wherein the transceiver, the memory and the processor are communicated with each other by internal connecting path, the storage For storing instruction, which is used to execute the instruction of memory storage to device, receives signal to control transceiver, and control Transceiver sends signal, and when the processor executes the instruction of memory storage, which execute the processor Method, the third aspect or the third aspect in any possible implementation of above-mentioned first aspect or first aspect it is any Method, the 5th aspect in possible implementation or the method in any possible implementation of the 5th aspect, the 7th aspect Or any possible implementation of the method, the 9th aspect or the 9th aspect in any possible implementation in terms of the 7th In method, the tenth on the one hand or the method in any possible implementation of the tenth one side, the 13rd aspect or the tenth Any possible implementation of method, the 15th aspect or the 15th aspect in any possible implementation of three aspects In method, the 17th aspect or the 17th aspect any possible implementation in method or the 18th aspect or the tenth Method in any possible implementation of eight aspects.

Twenty-fourth aspect, the embodiment of the present application provide a kind of data transmission device, which includes: transceiver, place Manage device and memory, wherein the transceiver, the memory and the processor are communicated with each other by internal connecting path, the storage For storing instruction, which is used to execute the instruction of memory storage to device, receives signal to control transceiver, and control Transceiver sends signal, and when the processor executes the instruction of memory storage, which execute the processor Method, fourth aspect or fourth aspect in any possible implementation of above-mentioned second aspect or second aspect it is any Method, the 6th aspect in possible implementation or the method in any possible implementation of the 6th aspect, eighth aspect Or any possible implementation of the method, the tenth aspect or the tenth aspect in any possible implementation of eighth aspect In method, the 12nd aspect or the 12nd aspect any possible implementation in method, fourteenth aspect or the tenth Any side of being able to achieve of method or the 16th aspect or the 16th aspect in any possible implementation of four aspects Method in formula.

25th aspect, the embodiment of the present application provides a kind of computer readable storage medium, this is computer-readable to deposit Instruction is stored in storage media, when run on a computer, so that computer executes above-mentioned first aspect or first aspect Any possible implementation in method, the third aspect or the third aspect any possible implementation in method, Any possibility of method, the 7th aspect or the 7th aspect in any possible implementation of 5th aspect or the 5th aspect Method in any possible implementation of method in implementation, the 9th aspect or the 9th aspect, the tenth on the one hand or Method, the 13rd aspect or the 13rd any of aspect in any possible implementation of tenth one side are able to achieve Method, the 17th aspect in any possible implementation of method in mode, the 15th aspect or the 15th aspect or Any possibility of method or the 18th aspect or the 18th aspect in any possible implementation of 17th aspect is real Method in existing mode.

26th aspect, the embodiment of the present application provide a kind of computer readable storage medium, this is computer-readable Instruction is stored in storage medium, when run on a computer, so that computer executes above-mentioned second aspect or second party Side in any possible implementation of method, fourth aspect or fourth aspect in any possible implementation in face Method, eighth aspect or eighth aspect in any possible implementation of method, the 6th aspect or the 6th aspect it is any Method, the tenth aspect in possible implementation or the method in any possible implementation of the tenth aspect, the 12nd side Any possibility of method, fourteenth aspect or fourteenth aspect in any possible implementation of face or the 12nd aspect Method or the 16th aspect in implementation or the method in any possible implementation of the 16th aspect.

27th aspect, the embodiment of the present application provides a kind of computer program product comprising instruction, when it is being counted When being run on calculation machine, so that computer executes the side in any possible implementation of above-mentioned first aspect or first aspect It is any in terms of method, the 5th aspect or the 5th in any possible implementation of method, the third aspect or the third aspect Method, the 7th aspect in possible implementation or the method in any possible implementation of the 7th aspect, the 9th aspect Or method, the tenth one side or the tenth any of one side in any possible implementation in terms of the 9th are able to achieve Method, the 15th aspect in any possible implementation of method in mode, the 13rd aspect or the 13rd aspect or Method, the 17th aspect or the 17th any of aspect in any possible implementation of 15th aspect are able to achieve Method or the 18th aspect in mode or the method in any possible implementation of the 18th aspect.

Twenty-eighth aspect, the embodiment of the present application provide a kind of computer program product comprising instruction, when it is being counted When being run on calculation machine, so that computer executes the side in any possible implementation of above-mentioned second aspect or second aspect It is any in terms of method, the 6th aspect or the 6th in any possible implementation of method, fourth aspect or fourth aspect Method, the tenth aspect in any possible implementation of method, eighth aspect or eighth aspect in possible implementation Or method, the 12nd aspect or the 12nd any of aspect in any possible implementation in terms of the tenth are able to achieve Method or the 16th aspect in any possible implementation of method, fourteenth aspect or fourteenth aspect in mode or Method in any possible implementation of 16th aspect.

29th aspect, the embodiment of the present application provide a kind of chip, and the chip includes that processor and/or program refer to It enables, when chip operation, realizes method in any possible implementation of above-mentioned first aspect or first aspect, the Any possibility of method, the 5th aspect or the 5th aspect in any possible implementation of three aspects or the third aspect is real Method, the 7th aspect in existing mode or the method in any possible implementation of the 7th aspect, the 9th aspect or the 9th In any possible implementation of method, the tenth one side or the tenth one side in any possible implementation of aspect Method, the 13rd aspect or the 13rd aspect any possible implementation in method, the 15th aspect or the 15th In any possible implementation of method, the 17th aspect or the 17th aspect in any possible implementation of aspect Method or the 18th aspect or the 18th aspect any possible implementation in method.

30th aspect, the embodiment of the present application provide a kind of chip, and the chip includes that processor and/or program refer to It enables, when chip operation, realizes method in any possible implementation of above-mentioned second aspect or second aspect, the Any possibility of method, the 6th aspect or the 6th aspect in any possible implementation of four aspects or fourth aspect is real Method, the tenth aspect or the tenth in any possible implementation of method, eighth aspect or eighth aspect in existing mode In any possible implementation of method, the 12nd aspect or the 12nd aspect in any possible implementation of aspect Method, fourteenth aspect or fourteenth aspect any possible implementation in method or the 16th aspect or the 16th Method in any possible implementation of aspect.

Detailed description of the invention

Access process shown in FIG. 1 for high frequency channel；

Shown in Fig. 2 is the schematic diagram of the data communication between two access points and two websites；

It is shown in Fig. 3 for simultaneously include two radio frequency links of low frequency and high frequency data transmission device 301 schematic diagram；

Shown in Fig. 4 is a kind of flow chart of data transmission method provided by the embodiments of the present application；

Schematic diagram shown in fig. 5 for scheduling formula A-BFT frame；

Flow chart shown in fig. 6 for another data transmission method provided by the embodiments of the present application；

Shown in Fig. 7 is the frame structure schematic diagram of three kinds of incidentally feedback informations；

Flow chart shown in Fig. 8 for another data transmission method provided by the embodiments of the present application；

Schematic diagram shown in Fig. 9 for SSW trigger frame；

Flow chart shown in Fig. 10 for another data transmission method provided by the embodiments of the present application；

It is the schematic diagram of NDP feedback Report Poll trigger frame shown in Figure 11；

It is the flow chart of another data transmission method provided by the embodiments of the present application shown in Figure 12；

It is the schematic diagram of HF BSR trigger frame or HF SPR trigger frame shown in Figure 13；

It is HF BSR frame or the schematic diagram of HF SPR frame shown in Figure 14；

Flow chart shown in figure 15 for another data transmission method provided by the embodiments of the present application；

It is the schematic diagram of the trigger frame of low-and high-frequency mixed scheduling shown in Figure 16；

It is the flow chart of another data transmission method provided by the embodiments of the present application shown in Figure 17；

It is the schematic diagram of A-MPDU aggregate frame shown in Figure 18；

It is the flow chart of another data transmission method provided by the embodiments of the present application shown in Figure 19；

It is the schematic diagram of the second bulletin frame shown in Figure 20；

Carry out the flow diagram of channel guard shown in Figure 21 simultaneously for low-and high-frequency；

It is the flow chart of another data transmission method provided by the embodiments of the present application shown in Figure 22；

It is the flow diagram of another data transmission method provided by the embodiments of the present application shown in Figure 23；

It is the flow chart of another data transmission method provided by the embodiments of the present application shown in Figure 24；

It is a kind of overall flow figure of low-and high-frequency cooperation provided by the embodiments of the present application shown in Figure 25；

It is a kind of local flow chart of low-and high-frequency cooperation provided by the embodiments of the present application shown in Figure 26；

It is the flow chart of another data transmission method provided by the embodiments of the present application shown in Figure 27；

It is a kind of schematic diagram of data frame shown in Figure 28；

It is the schematic diagram of another data frame shown in Figure 29；

It is a kind of schematic diagram of data transmission device provided by the embodiments of the present application shown in Figure 30；

It is the schematic diagram of another data transmission device provided by the embodiments of the present application shown in Figure 31；

It is the schematic diagram of another data transmission device provided by the embodiments of the present application shown in Figure 32；

It is the schematic diagram of another data transmission device provided by the embodiments of the present application shown in Figure 33；

It is the schematic diagram of another data transmission device provided by the embodiments of the present application shown in Figure 34.

Specific embodiment

It is previously mentioned, 7GHz frequency range below is usually known as low frequency, the frequency range of 28GHz or more is referred to as high frequency.Certainly, Low frequency and high frequency can be understood as the channel of lower frequency or the channel or frequency range of frequency range and upper frequency, and the embodiment of the present application can With the communications assistance expanded between any two channel or frequency range, and the cooperation for being not limited to 7G or less and 28G or more passes It is defeated.

Different features can be presented in air interface transmission according to the difference of frequency range, and for low frequency, the characteristics of wireless transmission is Signal decaying is relatively slow, and transmission range is wide.For high frequency, the directionality of wave beam is relatively preferable, can use antenna Beam forming forms directional transmissions, increases transmission range.

The embodiment of the present application be based on low frequency and high frequency the characteristics of, i.e., based on low-frequency transmission range extensively and strong robustness spy Point is carried out the transmission of control signaling using low frequency, is carried out data transmission using high frequency, institute based on the high feature of high frequency throughput Auxiliary transmission is carried out to high frequency using low frequency with the embodiment of the present application, efficient low-and high-frequency cooperation transmission may be implemented, thus excellent Change system throughput, reduces system delay.

The invention relates to the data communications between one or more nodes and one or more nodes.Prevailing scenario The communication being related between access point and website, but be equally applicable to logical between access point and access point and website and website Letter.Wherein, the node that the embodiment of the present application is mentioned can be access point or website；The access point that the embodiment of the present application is mentioned can be with For AP, the full name in English of AP is Access Point；The website that the embodiment of the present application is mentioned can be STA, the full name in English of STA For Station；The access point that the embodiment of the present application is mentioned could alternatively be personal basic service set control point (Personal Basic Service Set Control Point, PCP).

It is shown in Figure 2, it is shown in Fig. 2 for according to the exemplary signal of the WLAN of one embodiment of the application Figure.In scene shown in Fig. 2, WLAN includes access point 101, access point 102, website 201 and website 202, wherein Access point 101 and access point 102 can be communicated by Radio Link with website 201 and website 202.

Optionally, access point shown in Fig. 2 can be the equipment of support 802.11ax standard.Still optionally further, it accesses Point can be the equipment of a variety of WLAN standards such as support 802.11ac, 802.11n, 802.11g, 802.11b and 802.11a.Fig. 2 Shown in website can be wireless communication chips, wireless sensor or wireless communication terminal.Such as: support WiFi communication function Mobile phone, the set-top box for supporting WiFi communication function, supports WiFi communication function at the tablet computer for supporting WiFi communication function Smart television, support WiFi communication function intelligent wearable device, support WiFi communication function vehicular communication equipment and Support the computer of WiFi communication function.Optionally, website can support 802.11ax standard, still optionally further, the website Support a variety of WLAN standards such as 802.11ac, 802.11n, 802.11g, 802.11b and 802.11a.

In scene shown in Fig. 2, technical solution provided by the embodiments of the present application can be applied to an access point and one In data communication between a website.For example, the data communication between access point 101 and website 201.

In scene shown in Fig. 2, technical solution provided by the embodiments of the present application can be applied to an access point with extremely In data communication between few two websites.For example, the data between website 201 and website 202 are logical respectively for access point 101 Letter.

In scene shown in Fig. 2, technical solution provided by the embodiments of the present application can be applied at least two access points In data communication between a website.For example, the data between access point 101 and access point 102 are logical respectively for website 201 Letter.

In scene shown in Fig. 2, technical solution provided by the embodiments of the present application can be applied at least two access points In data communication between at least two websites.For example, access point 101 and access point 102 respectively with website 201 and website Data communication between 202.

802.11ad defines 802.11 low frequency MAC of one kind (Medium Access Control, media intervention control) layer With the interface on high frequency MAC layer, the content for intra-node for the mac frame of different layers is shifted, which is claimed Make fast session transfer (Fast Session Transfer, FST).By respective MAC interface, two nodes be can use Low frequency goes to send the mac frame of high frequency, and this mechanism is also referred to as tunnel transparent transmission mechanism (On-Channel Tunnel on channel ing,OCT)。

The access point or website of the embodiment of the present application can be the communication server, router, interchanger, bridge, computer With the equipment such as mobile phone.Wherein, the invention relates to access point or website need simultaneously to include that low frequency and high frequency two penetrate Frequency link.

It is shown in Figure 3, it is shown in Fig. 3 for simultaneously comprising two radio frequency links of low frequency and high frequency data transmission device 301 schematic diagram.In the diagram shown in figure 3, data transmission device 301 includes the first radio frequency link 3011 and the second radio frequency Link 3012, wherein data transmission device 301 can use the first radio frequency link 3011 and high-frequency data is converted to low frequency number According to data transmission device 301 can use the second radio frequency link 3012 and low-frequency data is converted to high-frequency data.For example, data Transmitting device 301 can use the first radio frequency link 3011 and high-frequency data be converted to low-frequency data, and low-frequency data is transmitted To other data transmission devices；For another example, data transmission device 301 can receive the low frequency that other data transmission devices are sent Low-frequency data is converted to high-frequency data using the second radio frequency link 3012 by data.

In the embodiment shown in fig. 3, the full name in English of MAC is Medium Access Control, and Chinese is interpreted as matchmaker Body intervention control；The English of PHY is Physical, and Chinese is interpreted as physics.

Data transmission method provided by the embodiments of the present application is described below.

Shown in Fig. 4 is a kind of flow chart of data transmission method provided by the embodiments of the present application.Method shown in Fig. 4 The website for receiving scheduling formula A-BFT frame can be made to send SSW frame in the time slot scheduling that access point distributes, guarantee that website can To complete uplink sector scanning faster.This approach includes the following steps.

Step S11, access point sends scheduling formula A-BFT frame to website in low frequency, and scheduling formula A-BFT frame is used to indicate website The time slot scheduling corresponding to the section A-BFT.

Step S12, the scheduling formula A-BFT frame that website is sent in low frequency reception access point.

Step S13, website sends sector scanning SSW frame to access point in high frequency and in time slot scheduling.

Step S14, the SSW frame that access point is sent in high-frequency reception website in time slot scheduling, time slot scheduling be website according to What scheduling formula A-BFT frame determined.

Wherein, the full name in English of A-BFT is Association Beamforming Training, and Chinese is interpreted as closing Connection-beam forming training.The full name in English of SSW is Sector Sweep, and Chinese is interpreted as sector scanning.

In the embodiment shown in fig. 4, the embodiment of the present application can generate conflict because of competition slot to avoid website, connect Access point can distribute time slot scheduling corresponding to the section A-BFT by scheduling formula A-BFT frame for website, so that website can connect SSW frame is sent in the time slot scheduling of access point distribution, guarantees that website can complete uplink sector scanning faster.Moreover, the application The access point of embodiment sends scheduling formula A-BFT frame to website in low frequency, it is possible to reduce the expense of high frequency channel.

It is exemplary, shown in Figure 5, the schematic diagram shown in fig. 5 for scheduling formula A-BFT frame.In Fig. 5, formula is dispatched A-BFT frame is used to indicate website time slot scheduling corresponding to the section A-BFT.Wherein, access point can be multiplexed in 802.11ad DMG (Directional Multi-Gigabit, the more gigabits of directionality) Extended Schedule Element (extension adjust Spend element) scheduling that carries out A-BFT, i.e., corresponding scheduling information is carried to form scheduling formula shown in fig. 5 using Action frame A-BFT frame.

In Fig. 5, scheduling formula A-BFT frame includes one or more Allocation (distribution) fields, one or more Allocation field is respectively intended to indicate the time slot scheduling that one or more are different, one or more different time slot scheduling difference Distribute to one or more different websites.For example, the third field Allocation 1 in Fig. 5 in the first row is used to indicate Distribution condition of first website about time slot scheduling, the last one field Allocation N in Fig. 5 in the first row are used for Indicate distribution condition of the last one website about time slot scheduling.

In Fig. 5, scheduling formula A-BFT frame also includes Source AID (source association identification) field, Source AID field It is used to indicate the association identification information of scheduled website.Wherein, after website receives scheduling formula A-BFT frame, website can To identify one's own time slot scheduling by Source AID field.For example, the third field in Fig. 5 in the second row For Source AID field.

In Fig. 5, scheduling formula A-BFT frame also includes Allocation Start (distribution starts) field, Allocation Start field is used to indicate the time that distributed time slot scheduling starts, and utilizes Allocation Type (distribution type) field Indicate that the distribution is the uplink sector scanning training for carrying out A-BFT.For example, the 5th field in Fig. 5 in the second row For Allocation Start field.

It should be pointed out that the DMG Extended Schedule Element in multiplexing 802.11ad is a kind of reality Existing mode, can also take other indicating modes, for example, access point can send a mac frame, include in the mac frame 1 or Multiple Allocation fields, Source AID field and Allocation Start field etc. can still distribute for website Time slot scheduling corresponding to the section A-BFT.

Flow chart shown in fig. 6 for another data transmission method provided by the embodiments of the present application.Side shown in Fig. 6 Method can allow access point that can understand the low frequency of website and/or the channel shape of high frequency in the case where reducing high frequency channel expense Condition.This approach includes the following steps.

Step S21, access point sends low-frequency beacon frame to website in low frequency, includes high frequency beacon frame in low-frequency beacon frame Sending time.

Wherein, after low frequency sends low-frequency beacon frame to website, website can be sent access point in low frequency reception access point Low-frequency beacon frame.

Step S22, the low-frequency beacon frame that website is sent in low frequency reception access point.

Step S23, access point sends high frequency beacon frame to website according to sending time in high frequency.

Wherein, access point is after high frequency sends high frequency beacon frame to website according to sending time, website can in high frequency and The high frequency beacon frame that access point is sent is received in sending time.

Step S24, website receives the high frequency beacon frame that access point is sent in high frequency and in sending time.

Step S25, the RSSI of station for acquiring low-frequency beacon frame and/or high frequency beacon frame.

It wherein, in step s 25 include three kinds of situations, the first situation is the RSSI of station for acquiring low-frequency beacon frame, the Two kinds of situations are the RSSI of station for acquiring high frequency beacon frame, the third situation is station for acquiring low-frequency beacon frame and high frequency beacon frame RSSI.

Step S26, website sends the feedback letter of the RSSI of low-frequency beacon frame and/or high frequency beacon frame in low frequency to access point Breath.

It is of course also possible to use following two step replacement step S21 and step S23: step 1, access point low frequency to Website sends low-frequency beacon frame, includes the information and Empty packet (Null Data of high frequency beacon frame in low-frequency beacon frame Packet, NDP) sending time；Step 2, access point sends Empty packet to website according to sending time in high frequency.

Empty packet is the data grouping that no data field only includes lead code, is determined also in each sector To transmission, it is used to help website and carries out sector scanning training.

In above-mentioned steps 1 and step 2, access point is primary by low-frequency beacon frame in low frequency by the information of high frequency beacon frame Property omni-direction transmissions to website, and only need to transmit in each sector of high frequency to have the Empty packet of lead code, to reduce Expense.

Step S27, the reception signal for the low-frequency beacon frame and/or high frequency beacon frame that access point is sent in low frequency reception website Intensity indicates that the feedback information of RSSI, feedback information are used to indicate the low frequency of website and/or the channel conditions of high frequency.

Wherein, the English spelling of RSSI is Receive Signal Strength Indicator, and Chinese is interpreted as receiving Signal strength instruction.

It in step s 27 include three kinds of situations, the first situation is the low frequency letter that access point is sent in low frequency reception website The feedback information of the received signal strength indicator RSSI of frame is marked, feedback information is used to indicate the channel conditions of the low frequency of website；The The feedback letter of the received signal strength indicator RSSI for the high frequency beacon frame that two kinds of situations, which are access point, to be sent in low frequency reception website Breath, feedback information are used to indicate the channel conditions of the high frequency of website；The third situation is that access point is sent in low frequency reception website Low-frequency beacon frame and high frequency beacon frame received signal strength indicator RSSI feedback information, feedback information is used to indicate website Low frequency and high frequency channel conditions.

In the first case, the feedback information of RSSI may include low frequency mark.Wherein, low frequency mark is used to indicate low Whether the RSSI of frequency beacon frame meets the range of low-frequency transmission, so low frequency mark can indicate the channel shape of the low frequency of website Condition.

In second situation, the feedback information of RSSI may include high frequency mark, high frequency extension mark or high frequency RSSI At least one of.Wherein, high frequency mark is used to indicate website and receives the high frequency beacon frame of access point directive sending in omnidirectional Whether the maximum value of RSSI meets high-frequency transmission range, and high frequency extends mark and is used to indicate website in omnidirectional's reception access point orientation Whether the sum of maximum value and target value of the RSSI of the high frequency beacon frame of transmission meet high-frequency transmission range, and high frequency RSSI is used for The received signal strength indicator of high frequency is indicated, so at least one of high frequency mark, high frequency extension mark or high frequency RSSI can To indicate the channel conditions of the high frequency of website.

The target value mentioned in the preceding paragraph is used to help access point prediction using both sides' directional transmissions, Whether high-frequency transmission range is met.Wherein, target value refers to a fixed value, such as 10 or 20 numerical value.

In the third situation, the feedback information of RSSI includes low frequency mark, and feedback information further includes high frequency mark, high frequency Extend at least one of mark or high frequency RSSI, can indicate that website in the channel conditions of low frequency, utilizes using low frequency mark At least one of high frequency mark, high frequency extension mark or high frequency RSSI can indicate website in the channel conditions of high frequency.

Exemplary, shown in Figure 7, shown in Fig. 7 is the frame structure schematic diagram of three kinds of incidentally feedback informations.

There are three kinds of frame structures in Fig. 7, the first frame structure can use the HTC (High in the frame head of mac frame Throughput Control, as high-throughput controls) field incidentally feedback information, wherein in the first frame structure It is that low frequency feedback auxiliary high frequency carries out uplink sector scanning that Control (control) ID, which is used to indicate and incidentally controls the type of information, Type.Low frequency Flag is low frequency mark, and high frequency Flag is high frequency mark, and high frequency+XdB Flag is that high frequency extends mark, high frequency RSSI is the received signal strength indicator of high frequency.

Second of frame structure can use Action (movement) frame and carry feedback information, wherein utilize Category (class Not) and VHE Action (very efficiently movement) to define the type of the Action frame be to be used to indicate the type for incidentally controlling information The type of uplink sector scanning is carried out for low frequency feedback auxiliary high frequency.In addition, VHE Action refers to the movement of generation standard Instruction can be replaced using other titles, as NG (Next Generation, next-generation) or Video-Fi (Video Wi-Fi, Video Wi-Fi) etc. titles replace.Low frequency Flag is low frequency mark, and high frequency Flag is high frequency mark, and high frequency+XdB Flag is height Frequency extends mark, and high frequency RSSI is the received signal strength indicator of high frequency.

The third frame structure can use information element and carry feedback information, wherein Element (element) ID is for referring to Show that the type for incidentally controlling information is the type that low frequency feedback auxiliary high frequency carries out uplink sector scanning.Low frequency Flag is low frequency mark Know, high frequency Flag is high frequency mark, and high frequency+XdB Flag is that high frequency extends mark, and high frequency RSSI is that the reception signal of high frequency is strong Degree instruction.

In the embodiment shown in fig. 6, low-frequency beacon frame and/or high frequency beacon that access point is sent in low frequency reception website The feedback information of the RSSI of frame can make access point understand the low frequency of website and/or the channel conditions of high frequency；Moreover, access point The expense of high frequency channel can be reduced in the feedback information of low frequency reception RSSI.

Flow chart shown in Fig. 8 for another data transmission method provided by the embodiments of the present application.Side shown in Fig. 8 Method can make access point to the more efficient of the feedback information of multiple websites transmission sector scanning, and can be triggered by SSW Frame has asked for SSW ACK frame to multiple websites.This approach includes the following steps.

Step S31, access point sends SSW trigger frame to website in low frequency, and SSW trigger frame is used to indicate the anti-of sector scanning The resource indication information that the feedback SSW ACK frame of feedforward information and website uses.

Step S32, the SSW trigger frame that website is sent in low frequency reception access point, SSW trigger frame are used to indicate sector scanning Feedback information and website feedback SSW ACK frame use resource indication information.

Step S33, website sends SSW ACK frame to access point in low frequency, and SSW ACK frame is website according to SSW trigger frame The corresponding resource indication information of middle website is sent in the corresponding resource unit of website according to the corresponding physical layer parameter of website 's.

Step S34, the SSW ACK frame that access point is sent in low frequency reception website, SSW ACK frame are that website is touched according to SSW The corresponding resource indication information of website in frame is sent out to carry out in the corresponding resource unit of website according to the corresponding physical layer parameter of website It sends.

Wherein, the feedback information of sector scanning includes sector selection, the report of day line options, signal-to-noise ratio or whether needs poll At least one of, resource indication information includes at least one of the resource unit used, the coding of use or modulation system.

In the embodiment shown in fig. 8, the access point of the embodiment of the present application can allow multiple websites according to SSW trigger frame Solve the feedback information of sector scanning, thus access point to multiple websites send sector scanning feedback information it is more efficient； Moreover, the resource indication information that access point can also allow multiple websites to recognize that the feedback frame of website is used according to SSW trigger frame, So access point has asked for SSW ACK frame to multiple websites by SSW trigger frame；In addition, the access point of the embodiment of the present application exists Low frequency sends SSW trigger frame, it is possible to reduce the expense of high frequency channel.

It is exemplary, shown in Figure 9, the schematic diagram shown in Fig. 9 for SSW trigger frame.In Fig. 9, SSW trigger frame packet Include public domain and one by one website domain, wherein the trigger frame type in public domain shares 4 bits, this 4 bits can be by 0000 Into 1111 instructions 16, the trigger frame of type, 8 kinds (0000 to 0111) have been defined at present, can use remaining value (1000 to 1111) come define the trigger frame be SSW trigger frame；Then, it is carried using each user information in website domain one by one Corresponding information in SSW Feedback (feedback) field, as shown in figure 9, corresponding information in SSW Feedback field can be with Report including sector selection, day line options, signal-to-noise ratio, whether need poll and reserved field etc..

Flow chart shown in Fig. 10 for another data transmission method provided by the embodiments of the present application.Shown in Fig. 10 Method can make access point more efficient to the data transfer demands of multiple websites reception and registration collection site, moreover, access point can also To receive feedback of multiple websites based on data transfer demands faster.This approach includes the following steps.

Step S41, access point sends Empty packet feedback report poll NDP feedback to website in low frequency Report Poll trigger frame, NDP feedback Report Poll trigger frame are used for the data transfer demands of collection site.

Step S42, the NDP feedback Report Poll trigger frame that website is sent in low frequency reception access point, NDP Feedback Report Poll trigger frame is used for the data transfer demands of collection site.

Wherein, NDP feedback Report Poll trigger frame includes feedback type field；Feedback type field is used for Instruction website needs to feed back whether have low frequency transmitting uplink data demand；Alternatively, feedback type field is used to indicate website needs Whether feedback has high frequency upstream data transfer demands；Whether wish alternatively, feedback type field is used to indicate website and needs to feed back Upload service interval requests SPR frame shows high frequency upstream demand；It needs to feed back alternatively, feedback type field is used to indicate website Whether wish to be directed at uplink and be updated.

Wherein, the Chinese of NDP feedback Report Poll is interpreted as Empty packet feedback report poll.SPR's Full name in English is Service Period Request, and Chinese is interpreted as task interval request.

In the embodiment shown in fig. 10, the embodiment of the present application can make multiple websites while receive access point transmission NDP feedback Report Poll trigger frame guarantees multiple websites while recognizing that access point wants the data of collection site to pass Defeated demand, middle access point is for high frequency sends poll frame to each website one by one compared with the existing technology, the embodiment of the present application NDP feedback Report Poll trigger frame can it is more efficient to multiple websites convey collection site data transmission Demand, moreover, access point can also receive feedback of multiple websites based on data transfer demands faster.In addition, the application The access point of embodiment sends NDP feedback Report Poll trigger frame to website in low frequency, it is possible to reduce high frequency channel Expense.

In the embodiment shown in fig. 10, optionally, after step S42, i.e., website is sent in low frequency reception access point NDP feedback Report Poll trigger frame after, method shown in Fig. 10 can with the following steps are included: website to Access point sends the NDP feedback information based on NDP feedback Report Poll trigger frame.

Wherein, website is stood after the NDP feedback Report Poll trigger frame that low frequency reception access point is sent Point can identify the concrete type of the feedback type field of NDP feedback Report Poll trigger frame.Due to NDP The feedback type field of feedback Report Poll trigger frame has four seed types, is introduced separately below in NDP When the feedback type field of feedback Report Poll trigger frame is respectively four seed types, website is based on to access point transmission The NDP feedback information of NDP feedback Report Poll trigger frame has any difference.

The first situation is used to indicate website in the feedback type field of NDP feedback Report Poll trigger frame When feedback being needed whether to have low frequency transmitting uplink data demand, NDP feedback information includes first identifier or second identifier, the first mark Knowledge has been used to indicate low frequency transmitting uplink data demand, and second identifier is used to indicate no low frequency transmitting uplink data demand.

In the first case, there is low frequency transmitting uplink data requirement representation cache information to be more than or equal to certain to make a reservation for or shift to an earlier date The threshold value of negotiation, the threshold value that the small Mr. Yu of no low frequency transmitting uplink data requirement representation cache information makes a reservation for or negotiates in advance.

Second situation is used to indicate website in the feedback type field of NDP feedback Report Poll trigger frame When feedback being needed whether to have high frequency upstream data transfer demands, NDP feedback information includes third mark or the 4th mark, third mark Knowledge has been used to indicate high frequency upstream data transfer demands, and the 4th mark, which is used to indicate, does not have high frequency upstream data transfer demands.

In second situation, there are high frequency upstream data transfer demands to indicate that cache information is more than or equal to certain and makes a reservation for or shift to an earlier date The threshold value of negotiation, no high frequency upstream data transfer demands indicate the threshold value that the small Mr. Yu of cache information is predetermined or negotiates in advance.

The third situation is used to indicate website in the feedback type field of NDP feedback Report Poll trigger frame It needs to feed back and whether wishes upload service interval requests SPR frame come when showing high frequency upstream demand, NDP feedback information includes the 5th Mark or the 6th mark, the 5th mark, which is used to indicate, wishes upload service interval requests SPR frame to show high frequency upstream demand, the Six marks, which are used to indicate, is not intended to upload service interval requests SPR frame to show high frequency upstream demand.

4th kind of situation is used to indicate website in the feedback type field of NDP feedback Report Poll trigger frame Whether when feedback being needed to wish to be updated uplink alignment, NDP feedback information includes the 7th mark or the 8th mark, and the 7th marks Knowledge is used to indicate hope and is updated to uplink alignment, and the 8th mark is used to indicate to be not intended to be directed at uplink and be updated.

In the embodiment of the present application, the NDP feedback Report Poll that website is sent in low frequency reception to access point After trigger frame, website can according to the concrete type of the feedback type field of NDP feedback Report Poll trigger frame come NDP feedback information is sent to access point, to realize feedback of the website to access point based on data transfer demands.

It is exemplary, shown in Figure 11, showing for NDP feedback Report Poll trigger frame shown in Figure 11 It is intended to.In Figure 11, NDP feedback Report Poll trigger frame includes public domain and website domain one by one, wherein one by one Website domain includes Feedback Type (feedback kind) field, and Feedback the type field utilizes NDP for specifically indicating The meaning of the feedback of feedback (Empty packet feedback) expression, Feedback the type field have 4 bits, and the application is implemented Example has redefined Feedback the type field, so that Feedback the type field has a variety of meanings, divides in the following Table 1 The meaning that 4 bits of the Feedback the type field that the embodiment of the present application redefines respectively represent is not listed.

Table 1

In table 1,0000 meaning is the resource requirement of low frequency, is used to indicate website and needs to feed back whether have low frequency uplink Data transfer demands；0001 meaning is the resource requirement of high frequency, is used to indicate website and needs to feed back whether have high frequency upstream number According to transmission demand；Whether 0010 meaning is the demand of task interval request, be used to indicate website and need to feed back and wish to upload clothes Interval requests SPR frame be engaged in show high frequency upstream demand；0011 meaning is the demand of beam forming, is used to indicate website needs Whether feedback, which wishes to be directed at uplink, is updated.

In the embodiment shown in fig. 11, website is in the NDP feedback Report Poll touching for receiving access point transmission After sending out frame, website can send the NDP feedback with feedback status (feedback states) to access point, pass through Feedback status in NDP feedback feeds back information required by access point to access point.Optionally, access point connects After the NDP feedback with feedback status for receiving website transmission, access point can send multi-purpose to website Family acknowledgement frame, to realize that access point confirms the NDP feedback that website is sent.

It is the flow chart of another data transmission method provided by the embodiments of the present application shown in Figure 12.Shown in Figure 12 Method can make access point more efficient to the data transfer demands of multiple websites reception and registration collection site, moreover, access point can also To receive feedback of multiple websites based on data transfer demands faster.This approach includes the following steps.

Step S51, access point sends high frequency caching report HF BSR trigger frame or high frequency task interval to website in low frequency HF SPR trigger frame is requested, HF BSR trigger frame or HF SPR trigger frame are used to ask for high frequency caching to website is detailed.

Step S52, HF BSR trigger frame or HF SPR trigger frame that website is sent in low frequency reception access point, HF BSR touching Hair frame or HF SPR trigger frame are used to ask for high frequency caching to website is detailed.

Step S53, website sends HF BSR frame or HF SPR frame to website in low frequency, and HF BSR frame or HF SPR frame are stations What point was sent according to the corresponding resource indication information of website in HF BSR trigger frame or HF SPR trigger frame.

Step S54, HF BSR frame or HF SPR frame, HF BSR frame or HF SPR that access point is sent in low frequency reception website Frame is that website is sent according to the corresponding resource indication information of website in HF BSR trigger frame or HF SPR trigger frame.

Wherein, the full name in English of HF BSR is High Frequency Buffer Status Report, and Chinese is interpreted as High frequency caching report.The full name in English of HF SPR is High Frequency Service Period Request, Chinese paraphrase For the request of high frequency task interval.

In the embodiment shown in fig. 12, the embodiment of the present application can make multiple websites while receive HF BSR trigger frame Or HF SPR trigger frame, guarantee multiple websites while recognizing that access point asks for high frequency caching to website is detailed, relative to existing Have in technology access point for high frequency sends poll frame to each website one by one, the HF BSR trigger frame of the embodiment of the present application or HF SPR trigger frame more efficient can convey the demand asking for high frequency and caching to multiple websites, moreover, access point can also be more The fast feedback for receiving multiple websites and being cached based on high frequency.In addition, the access point of the embodiment of the present application is sent out in low frequency to website Send HF BSR trigger frame or HF SPR trigger frame, it is possible to reduce the expense of high frequency channel.

It is exemplary, it is HF BSR trigger frame or HF SPR trigger frame referring to Figure 1 shown in 3 and Figure 14, shown in Figure 13 Schematic diagram is HF BSR frame or the schematic diagram of HF SPR frame shown in Figure 14.

In Figure 13, HF BSR trigger frame or HF SPR trigger frame include public domain and website domain one by one, wherein public domain In trigger frame type share 4 bits, this 4 bits can by 0000 to 1111 instruction 16 in type trigger frame, at present 8 kinds (0000 to 0111) are had been defined, can use remaining value (1000 to 1111) to define the trigger frame as HF BSR Trigger frame or HF SPR trigger frame.

In Figure 14, website is in the BSR of the HF as shown in fig. 13 that trigger frame or HF SPR triggering for receiving access point transmission After frame, website can identify that the trigger frame is HF BSR trigger frame or HF by the trigger frame type in public domain SPR trigger frame, and the trigger frame is used to ask for high frequency caching to website is detailed, website can be sent shown in Figure 14 to access point HF BSR frame or HF SPR frame, to realize the feedback of the HF BSR trigger frame or HF SPR trigger frame that send to access point, HF BSR frame or HF SPR frame be website according to the corresponding resource indication information of website in HF BSR trigger frame or HF SPR trigger frame into What row was sent.In Figure 14, HF BSR frame or HF SPR frame may include dynamically distributing information field, dynamically distribute information field It is used to indicate high frequency caching report.Wherein, dynamically distributing information field may include service identification, distribution type, source association mark Knowledge, purpose association identification, distribution duration and the fields such as reserved.

It is, of course, also possible to using data frame as shown in Figure 28 and Figure 29 as HF BSR frame or HF SPR frame.

Flow chart shown in figure 15 for another data transmission method provided by the embodiments of the present application.Shown in figure 15 The trigger frame for the low-and high-frequency mixed scheduling that method can be such that access point is sent to website in low frequency dispatches website low simultaneously The data of frequency and high frequency are transmitted.This approach includes the following steps.

Step S61, access point sends the trigger frame of low-and high-frequency mixed scheduling in low frequency to website, in low-and high-frequency mixed scheduling Trigger frame in there are when target identification, the trigger frame that target identification is used to indicate low-and high-frequency mixed scheduling includes low frequent user letter Breath and high frequency user information.

Wherein, low frequent user information carries out data transmission for dispatching website in low frequency, and high frequency user information is for dispatching Website carries out data transmission in high frequency.

Step S62, the trigger frame for the low-and high-frequency mixed scheduling that website is sent in low frequency reception access point.

In the embodiment shown in fig. 15, the trigger frame for the low-and high-frequency mixed scheduling that access point is sent in low frequency to website In, if there are target identification in the trigger frame of low-and high-frequency mixed scheduling, in the trigger frame for illustrating low-and high-frequency mixed scheduling Including low frequent user information and high frequency user information.Trigger frame in compared with the existing technology can only carry low frequent user information or For high frequency user information, the trigger frame of the low-and high-frequency mixed scheduling in the embodiment of the present application can carry low frequent user letter simultaneously Breath and high frequency user information, so website can be dispatched simultaneously in low frequency and high frequency by the trigger frame of low-and high-frequency mixed scheduling Data transmission, to refer to efficiency of transmission.It is mixed in addition, the access point of the embodiment of the present application sends low-and high-frequency to website in low frequency Close the trigger frame of scheduling, it is possible to reduce the expense of high frequency channel.

In the embodiment shown in fig. 15, the trigger frame of low-and high-frequency mixed scheduling includes low-and high-frequency distinguishing identifier, low-and high-frequency It is that low frequent user information or high frequency user believe that distinguishing identifier, which is used to indicate the user information in the trigger frame of low-and high-frequency mixed scheduling, Breath.

In the embodiment shown in fig. 15, there are at least deposit in the trigger frame of low-and high-frequency mixed scheduling for low-and high-frequency distinguishing identifier In one of following three kinds of situations:

Each user information of the trigger frame of low-and high-frequency mixed scheduling is arranged in the first situation, low-and high-frequency distinguishing identifier In, low-and high-frequency distinguishing identifier is the mark of low frequent user information or the mark of high frequency user information.

Second situation, low-and high-frequency distinguishing identifier are arranged in the public domain of the trigger frame of low-and high-frequency mixed scheduling, high Low frequency distinguishing identifier is the quantity of low frequent user information or high frequency user information.

The third situation, low-and high-frequency distinguishing identifier be arranged in the trigger frame of low-and high-frequency mixed scheduling low frequent user information and Between high frequency user information, low-and high-frequency distinguishing identifier is the separator for separating low frequent user information and high frequency user information.

It is exemplary, it is shown in Figure 16, it is the schematic diagram of the trigger frame of low-and high-frequency mixed scheduling shown in Figure 16.Scheming In 16, the trigger frame of low-and high-frequency mixed scheduling includes at least public information, at least one low frequent user information and at least one height Frequency user information.Wherein, the trigger frame type in the public information of the trigger frame of low-and high-frequency mixed scheduling, HE-SIG-A (High Efficient Signal Field A, efficient signaling field A) Reserved (reserved) field or Reserved field be for referring to Show that the trigger frame is the trigger frame for carrying out low-and high-frequency mixed scheduling.In turn, the trigger frame of low-and high-frequency mixed scheduling is public HE-SIG-A Reserved field in information or the public information field based on trigger frame type are used to indicate high frequency user The quantity of information and/or low frequent user information.The user information of the trigger frame of low-and high-frequency mixed scheduling includes that trigger frame was wrapped originally Scheduling information and the newly website that introduces scheduling information in high frequency of the website contained in low frequency.

In Figure 16, the trigger frame of low-and high-frequency mixed scheduling includes low-and high-frequency distinguishing identifier, and low-and high-frequency distinguishing identifier is used for Indicate that the user information in the trigger frame of low-and high-frequency mixed scheduling is low frequent user information or high frequency user information.Low-and high-frequency is distinguished There are at least there are three situations in the trigger frame of low-and high-frequency mixed scheduling for mark:

Each user information of the trigger frame of low-and high-frequency mixed scheduling is arranged in the first situation, low-and high-frequency distinguishing identifier In, low-and high-frequency distinguishing identifier is the mark of low frequent user information or the mark of high frequency user information.In low-and high-frequency mixed scheduling A low frequency distinguishing identifier is added in each low frequent user information of trigger frame, in each of the trigger frame of low-and high-frequency mixed scheduling A high frequency distinguishing identifier is added in high frequency user information, and the user is distinguished using high frequency distinguishing identifier or low frequency distinguishing identifier Information is low frequent user information or high frequency user information.For example, the trigger frame of the low-and high-frequency mixed scheduling in Figure 16 is low LF Flag field is added in frequency user information, being used to indicate the user information is low frequent user information.For another example, in Figure 16 HF Flag field is added in the high frequency user information of the trigger frame of low-and high-frequency mixed scheduling, is used to indicate the user information as height Frequency user information.

The first situation is exemplified below.For example, access point is in the trigger frame of the low-and high-frequency mixed scheduling of Figure 16 Binary number " 0 " is added in the LF Flag field of each low frequent user information, reads the LF of low frequent user information in website When binary number " 0 " in Flag field, website can learn that the user information is low frequent user information；For another example, access point Binary number is added in the HF Flag field of each high frequency user information in the trigger frame of the low-and high-frequency mixed scheduling of Figure 16 " 1 ", when binary number " 1 " in the HF Flag field that website reads high frequency user information, website can learn the use Family information is high frequency user information.

Certainly, the embodiment of the present application is not limited to " 0 " and represents low frequent user information, and " 1 " represents high frequency user information, also Low frequent user information can be represented using " 1 ", " 0 " represents high frequency user information, can also indicate low using other modes Frequency user information and high frequency user information.

Second situation, low-and high-frequency distinguishing identifier are arranged in the public domain of the trigger frame of low-and high-frequency mixed scheduling, high Low frequency distinguishing identifier is the quantity of low frequent user information or high frequency user information.Low-and high-frequency mixed scheduling trigger frame it is public The quantity of certain field instruction low frequent user information and/or high frequency user information in information, for example, in low-and high-frequency mixed scheduling Trigger frame public information in the quantity of HE-SIG-A Reserved field instruction low frequent user information be M, then in height Preceding M user information in the user information of the trigger frame of low frequency mixed scheduling is low frequent user information, remaining user information For high frequency user information.Second situation belongs to implicit sequence instruction.

For the third situation, it can use the special identifier AID in low frequent user information as low frequency is separated and use The separator of family information and high frequency user information, default low frequent user information preceding, and will separate in preceding or high frequency user information Symbol is placed between low frequent user information and high frequency user information.For example, it is assumed that low frequent user information is preceding, in all low frequent users There are a special identifier AID after information and before high frequency user information, to separate low frequent user information and high frequency user Information.For another example, it is assumed that high frequency user information exists after all high frequency user informations and before low frequent user information preceding One special identifier AID, to separate high frequency user information and low frequent user information.Currently, the standards such as 802.11ac/ax only utilize 0~1023 distribution as association identification AID, and 1024 or more AID is reserved AID, therefore can use 1024~2047 Any one of numerical value be used to refer to as a special AID first category user information end.

In addition, the trigger frame of low-and high-frequency mixed scheduling provided by the embodiments of the present application using 2047 special AID as The instruction of Padding (filling) field, it is first that Padding field, which is used to indicate the user information before Padding field, The user information of classification, in the user information that the subsequent user information of Padding field is second category.For example, in Padding User information before field is low frequent user information, is high frequency user information in the subsequent user information of Padding field；Again Such as, the user information before Padding field is high frequency user information, is low in the subsequent user information of Padding field Frequency user information.

For the third situation, reserved MCS (the Modulation and in low frequent user information can use Coding Scheme, modulating-coding strategy) or reserved MCS+DCM (Dual Carrier Modulation, dual carrier tune System) modes such as combination indicate first category user information end, the user information of first category can believe for low frequent user Breath or high frequency user information.Specifically, reserved MCS indicates that the MCS field is not used up completely, 802.11ax is supported at present MCS0 to MCS11 totally 12 kinds of MCS, 12 to 15 be reserved bit, can be used to escape and indicate.In addition to this, can also using DCM and The combination of MCS is indicated that DCM is only applicable to MCS0, MCS1, MCS3 and MCS4 in 802.11ax, and for other MCS, then It cannot be instructed to simultaneously, can use the combination escape that do not support and go to indicate.

Access point can use the three kinds of above modes and indicate that the user information in the trigger frame of low-and high-frequency mixed scheduling is Low frequent user information or high frequency user information.Wherein, low frequent user information can be indicated using the resource of existing trigger frame, and high Frequency user information can be using in the DMG Extended Schedule Element as used by 802.11ad EDMG (Enhanced directional multi- in Allocation field (allocation field) or 802.11ay Gigabit, the enhanced more gigabits of directionality) Allocation field in Extended Schedule Element, also may be used Using combination.

After the trigger frame that website receives the low-and high-frequency mixed scheduling of access point transmission, website is mixed by low-and high-frequency The instruction in trigger frame type or HE-SIG-A Reserved field in the trigger frame of scheduling identifies that the trigger frame is high The trigger frame of low frequency mixed scheduling.Website passes through HE-SIG-A Reserved field or the public letter based on trigger frame type Breath field identifies the quantity of low frequent user information and/or high frequency user information.Pass through the trigger frame of low-and high-frequency mixed scheduling HF/LF Flag in user information, implicit sequence instruction or special AID/MCS/DCM+MCS combination identify user Information is low frequent user information or high frequency user information, to indicate according to the resource in user information in high frequency or low frequency Carry out data transmission.

In the embodiment shown in Figure 16, the embodiment of the present application be equally applicable to access point only carry out low frequency scheduling and only into The case where row high frequency is dispatched.It only include low frequent user information in Figure 16 if access point only carries out low frequency scheduling；If connect Access point only carries out high frequency scheduling, then only including high frequency user information in Figure 16.

It is the flow chart of another data transmission method provided by the embodiments of the present application shown in Figure 17.Shown in Figure 17 The A-MPDU aggregate frame that method can be such that access point sends in low frequency to website dispatches website in low frequency and high frequency simultaneously Data transmission.This approach includes the following steps.

Step S71, access point sends aggregated media intervention control protocol data cell A-MPDU polymerization to website in low frequency Frame, A-MPDU aggregate frame include low frequency trigger frame and the first bulletin frame, and low frequency trigger frame includes low frequent user information, the first bulletin The more gigabit extensible elements of directionality and/or the more gigabit extensible elements of enhanced directionality in frame include high frequency user information.

Step S72, the A-MPDU aggregate frame that website is sent in low frequency reception access point.

Wherein, the full name in English of A-MPDU is Aggregated MAC protocol data unit, and Chinese is interpreted as gathering It closes media and intervenes control protocol data cell.

In the embodiment shown in Figure 17, the A-MPDU aggregate frame in the embodiment of the present application can carry low frequent user simultaneously Information and high frequency user information pass so can dispatch website simultaneously by A-MPDU aggregate frame in the data of low frequency and high frequency It is defeated, to refer to efficiency of transmission.In addition, the access point of the embodiment of the present application sends A-MPDU aggregate frame to website in low frequency, The expense of high frequency channel can be reduced.

It is exemplary, it is shown in Figure 18, it is the schematic diagram of A-MPDU aggregate frame shown in Figure 18.In Figure 18, A- MPDU aggregate frame includes at least low frequency trigger frame and the first bulletin frame, and low frequency trigger frame includes low frequent user information, the first bulletin The more gigabit extensible elements of directionality (DMG Extended Element) and/or the more gigabit extended primitives of enhanced directionality in frame Plain (EDMG Extended Element) includes high frequency user information；Low frequent user information is carried out for dispatching website in low frequency Data transmission, high frequency user information carry out data transmission for dispatching website in high frequency.

It is the flow chart of another data transmission method provided by the embodiments of the present application shown in Figure 19.Shown in Figure 19 The second bulletin frame that method can be such that access point sends in low frequency to website dispatches website in the number of low frequency and high frequency simultaneously According to transmission.This approach includes the following steps.

Step S81, access point sends the second bulletin frame to website in low frequency, the low frequency touching in the action action frame of the second bulletin frame Photos and sending messages element includes low frequent user information, the more gigabit extensible elements of directionality and/or increasing in the action action frame of the second bulletin frame The more gigabit extensible elements of strong type directionality include high frequency user information.

Step S82, the second bulletin frame that website is sent in low frequency reception access point.

In the embodiment shown in Figure 19, the second bulletin frame in the embodiment of the present application can carry low frequent user letter simultaneously Breath and high frequency user information are transmitted so can dispatch website simultaneously by the second bulletin frame in the data of low frequency and high frequency, from And refer to efficiency of transmission.In addition, the access point of the embodiment of the present application sends the second bulletin frame to website in low frequency, it is possible to reduce The expense of high frequency channel.

It is exemplary, it is shown in Figure 20, it is the schematic diagram of the second bulletin frame shown in Figure 20.In Figure 20, second is public It accuses and includes at least low frequency triggering information element, more gigabit extensible element (the DMG Extended of directionality in the action action frame of frame ) and/or the more gigabit extensible elements of enhanced directionality (EDMG Extended Element) Element.Wherein, the second bulletin Low frequency triggering information element in the action action frame of frame includes low frequent user information, and the directionality in the action action frame of the second bulletin frame is more Gigabit extensible element and/or the more gigabit extensible elements of enhanced directionality include high frequency user information；Low frequent user information is used for Scheduling website carries out data transmission in low frequency, and high frequency user information carries out data transmission for dispatching website in high frequency.

It refers to shown in Figure 21, carries out the flow diagram of channel guard shown in Figure 21 simultaneously for low-and high-frequency.In WLAN In, before the transmission of longer data, access point and website usually utilize RTS (Request to Send, request are sent)/MU- The interaction of RTS (multi-user-request is sent) and CTS (Clear to Send, allow to send), reserves one section of TXOP (Transmit Opportunity, transmission opportunity) carry out data transmission.In addition, if the owner of the TXOP wishes to terminate in advance the TXOP, CF-End (Contention Free-End, uncontested-end) can then be sent.

In general, low frequency is different with the transmission rate of high frequency, for example, the OFDM (Orthogonal of low frequency Frequency Division Multiplexing, orthogonal frequency division multiplexing) minimum speed limit of transmission is 6Mbps, and high frequency is several Ten Mbps, thus high frequency usually transmit all than very fast, in order to guarantee that the TXOP of high and low frequency starts or ties in same time Beam needs to be postponed (Delay) transmission in high frequency.

As shown in figure 21, during low-frequency transmission MU-RTS, access point exists access point by corresponding delay time High frequency sends MU-RTS, and the TXOP of the low frequency and high frequency that promote access point starts at the same time；Terminate height in access point AP When the TXOP of frequency and low frequency, access point sends CF-end in low frequency, then access point exists by corresponding delay time in high frequency CF-end is sent, guarantees the high and low frequency of website while receiving CF-end.

It refers to shown in Figure 22, is a kind of process of data transmission method provided by the embodiments of the present application shown in Figure 22 Figure.Method shown in Figure 22 can be such that the low frequency of access point and the transmission opportunity of high frequency starts at the same time, and guarantee to stand The high and low frequency of point receives uncontested-end simultaneously.Method includes the following steps:

Step S91, when low frequency sends request transmission or multi-user-request transmission to website, access point passes through access point First object delay time sends request transmission to website in high frequency or multi-user-request is sent.

Step S92, when access point terminates to send the transmission opportunity of high and low frequency to website, access point is in low frequency to station Point sends uncontested-end.

Step S93, access point sends uncontested-end to website in high frequency by the second target delay time.

In the embodiment shown in Figure 22, the transmission opportunity of the low frequency and high frequency that can not only make access point is when identical Between start, it can also be ensured that the high and low frequency of website receive simultaneously it is uncontested-terminate.

It refers to shown in Figure 23, is the process of another data transmission method provided by the embodiments of the present application shown in Figure 23 Schematic diagram.Flow diagram shown in Figure 23 is briefly described below.

Firstly, access point sends data (1,2,3,4) to website in low frequency；Then, access point is sent in high frequency to website Data (5,6,7,8)；Secondly, access point sends BAR (Block Acknowledgement Request, block to website in low frequency Confirmation request) or MU-BAR (Multiple User-Block Acknowledgement Request, multi-user-block confirmation Request), it is whether correct with all data (1,2,3,4,5,6,7,8) that unified inquiry website is collected into low frequency and high frequency； Again, website sends BA (Block Acknowledgement, block confirmation) to access point in low frequency, i.e., BA includes (10011111), wherein (10011111) " 0 " in indicates data transmission fault, needs to transmit again, in (10011111) " 1 " indicates that data transmission is correct, and (10011111) are the correct of the data fed back according to the time sequencing of access point transmission data Property.For example, data (2,3) error of transmission indicates that data (2,3) pass so the 2nd and the 3rd in (10011111) is " 0 " Input mistake by mistake.Again, access point sends the data to malfunction before this, i.e. data (2,3) in low frequency to website；Finally, website is in low frequency BA (Block Acknowledgement, block confirmation) is sent to access point, i.e. BA includes (11), to indicate what website received Data (2,3) are correct.

In the embodiment shown in Figure 23, the transmission of access point and website is confirmed and is retransmitted using low frequency, by high frequency Resource for data transmit, optimization system resource allocation, thus maximum system efficiency.

It refers to shown in Figure 24, is the process of another data transmission method provided by the embodiments of the present application shown in Figure 24 Figure.Method shown in Figure 24 can make the transmission of access point and website be confirmed and be retransmitted using low frequency, by the resource of high frequency It is transmitted for data, optimization system resource allocation, thus maximum system efficiency.Method includes the following steps:

Step S101, access point sends low-frequency data to website in low frequency.

Step S102, access point sends high-frequency data to website in high frequency.

Step S103, access point is in low frequency to website transmission block confirmation request or multi-user-block confirmation request.

Step S104, access point confirms what low frequency reception website was sent for the block of low-frequency data and high-frequency data.

In the embodiment shown in Figure 24, the transmission of access point and website can be made to be confirmed and be retransmitted using low frequency, The resource of high frequency is used for data transmission, optimization system resource allocation, thus maximum system efficiency.

It refers to shown in Figure 25 and Figure 26, is a kind of the whole of low-and high-frequency cooperation provided by the embodiments of the present application shown in Figure 25 Body flow chart is a kind of local flow chart of low-and high-frequency cooperation provided by the embodiments of the present application shown in Figure 26.

In Figure 25 and Figure 26, in conjunction with above method embodiment, RSSI's that access point is sent in low frequency reception website is anti- Feedforward information and access point within the period that low frequency sends scheduling formula A-BFT frame to website, access point high frequency can simultaneously into The process of the traditional A-BFT of row；Access point sends SSW trigger frame and access point to website in low frequency and sends in low frequency reception website SSW ACK frame period in, access point can carry out traditional bulletin transmission intercal/data transfer interval in high frequency simultaneously Process；Access point is sent to the trigger frame and access point of website transmission low-and high-frequency mixed scheduling in low frequency reception website in low frequency The period for the block confirmation of low-frequency data and high-frequency data in, access point can carry out traditional data in high frequency simultaneously The process of transmission intercal.Therefore, the method for above-mentioned low-and high-frequency cooperation provided by the embodiments of the present application and traditional mechanism are compatible, And the interface-free resources of high frequency will not be wasted.

It is the flow chart of another data transmission method provided by the embodiments of the present application shown in Figure 27.Shown in Figure 27 Method can save the channel resource of high frequency by way of in the transmission request field that data frame carries high-frequency data.The party Method includes the following steps.

Step S111, website sends data frame to access point in low frequency, and data frame includes upstream data and high-frequency data Request field is transmitted, the transmission request field of high-frequency data is used to indicate website in the request of high-frequency transmission data.

Wherein, data frame includes that control mark, access category bit map, service identification difference or high-frequency transmission duration are asked At least one of ask.

Step S112, the data frame that access point is sent in low frequency reception website.

In the embodiment shown in Figure 27, website low frequency to access point send data frame in upstream data while, The transmission request field of high-frequency data can be carried in a data frame, so website sends poll frame without waiting for access point With the transmission request field for carrying high-frequency data by data frame of active, guarantees that access point will be seen that by data frame and arrive at a station Request of the point in high-frequency transmission data.In compared with the existing technology, access point sends poll frame to each website one by one in high frequency To obtain website for the request of high-frequency transmission data, the embodiment of the present application passes through the transmission in data frame carrying high-frequency data The mode of request field is to save the channel resource of high frequency.

It is exemplary, it refers to shown in Figure 28, is a kind of schematic diagram of data frame shown in Figure 28.In Figure 28, data frame Including fields such as HTC field, frame and frame detection sequences, HTC field include control mark, access category index bit bitmap, Service identification difference and the request of high-frequency transmission duration, high-frequency transmission duration request field are used to indicate website in high-frequency transmission data Request.Wherein, website low frequency carry out transmitting uplink data while, equally can incidentally website in high-frequency transmission data Request.For example, website can use a new control mark, a kind of control letter for feeding back high-frequency transmission data is designed Breath；Access category index bit bitmap (Access Class Index bitmap, ACI bitmap) is used to indicate hope and transmits Which kind access category of the data of 4 kinds of access categories, for details, reference can be made to shown in table 2, wherein 4 kinds of access categories respectively include Access category (the Access of the access category (Access Category Best Effort, AC_BE), background tried one's best Category Background, AC_BK), the access category (Access Category Video, AC_VI) and sound of video Access category (Access Category Voice, AC_VO)；Service identification difference (Delta Traffic ID, Delta TID) it is used to indicate service identification；The request of high-frequency transmission duration is used to indicate website and wishes the duration transmitted in high frequency.

AC_BE	Access Category Best Effort	The access category tried one's best
			AC_BK	Access Category Background	The access category of background
AC_VI	Access Category Video	The access category of video
			AC_VO	Access Category Voice	The access category of sound

Table 2

It is exemplary, it refers to shown in Figure 29, is the schematic diagram of another data frame shown in Figure 29.In Figure 29, data Frame includes the words such as Category (classification), VHE Action (very efficiently movement), site identity and the request of high-frequency transmission duration Section.Wherein, data frame shown in Figure 29 can be Action frame, and high-frequency transmission duration request field is used to indicate website in high frequency Transmit the request of data.

It, can also be by embodiment shown in fig. 6, embodiment shown in Fig. 8, figure on the basis of embodiment shown in Fig. 4 Shown in embodiment shown in embodiment, Figure 12 shown in 10, embodiment shown in figure 15, embodiment, Figure 19 shown in Figure 17 Embodiment shown in embodiment, Figure 22, at least one embodiment in embodiment shown in embodiment or Figure 27 shown in Figure 24 It is integrated in embodiment shown in Fig. 4, to constitute new embodiment.

It is a kind of schematic diagram of data transmission device provided by the embodiments of the present application shown in Figure 30.Referring to Figure 30, the number The website for receiving scheduling formula A-BFT frame can be made to send SSW frame in the time slot scheduling that access point distributes according to transmitting device, Guarantee that website can complete uplink sector scanning faster.The data transmission device comprises the following modules:

Sending module 11 dispatches formula for sending scheduling formula association-beam forming training A-BFT frame to website in low frequency A-BFT frame is used to indicate website time slot scheduling corresponding to the section A-BFT；

Receiving module 12, the sector scanning SSW frame for sending in high-frequency reception website in time slot scheduling, time slot scheduling are Website is determined according to scheduling formula A-BFT frame.

The embodiment of the present application can generate conflict to avoid website because of competition slot, and access point passes through scheduling formula A-BFT Frame can distribute time slot scheduling corresponding to the section A-BFT for website, so that the time slot scheduling that website can be distributed in access point Middle transmission SSW frame guarantees that website can complete uplink sector scanning faster.Moreover, the access point of the embodiment of the present application is low Frequency sends scheduling formula A-BFT frame to website, it is possible to reduce the expense of high frequency channel.

Optionally, sending module 11 are also used to send low-frequency beacon frame to website in low frequency, include height in low-frequency beacon frame The sending time of frequency beacon frame；It is also used to send high frequency beacon frame to website according to sending time in high frequency；

Receiving module 12, the reception of the low-frequency beacon frame and/or high frequency beacon frame that are also used to send in low frequency reception website Signal strength indicates that the feedback information of RSSI, feedback information are used to indicate the low frequency of website and/or the channel conditions of high frequency.

Optionally, sending module 11 are also used to send SSW trigger frame to website in low frequency, and SSW trigger frame is used to indicate fan The resource indication information that the feedback information of domain scanning and the feedback sector scanning confirmation SSW ACK frame of website use；

Receiving module 12 is also used to the SSW ACK frame sent in low frequency reception website, and SSW ACK frame is website according to SSW In trigger frame the corresponding resource indication information of website the corresponding resource unit of website according to the corresponding physical layer parameter of website into What row was sent.

Optionally, whether the feedback information of sector scanning includes sector selection, the report of day line options, signal-to-noise ratio or needs to take turns At least one of ask；

Optionally, the feedback information of RSSI includes in low frequency mark, high frequency mark, high frequency extension mark or high frequency RSSI It is at least one；

The embodiment of the present application provides another data transmission device, the structure of the data transmission device 0 institute referring to figure 3. Show, which can make website complete uplink sector faster in the case where reducing high frequency channel expense Scanning.The data transmission device comprises the following modules:

Receiving module 12, the scheduling formula A-BFT frame for sending in low frequency reception access point, scheduling formula A-BFT frame are used for Indicate website time slot scheduling corresponding to the section A-BFT；

Sending module 11, for sending sector scanning SSW frame to access point in high frequency and in time slot scheduling, time slot scheduling is Website is determined according to scheduling formula A-BFT frame.

Optionally, which further includes obtaining module；

Receiving module 12 is also used to the low-frequency beacon frame sent in low frequency reception access point, includes height in low-frequency beacon frame The sending time of frequency beacon frame；It is also used to receive the high frequency beacon frame that access point is sent in high frequency and in sending time；

Sending module 11 is also used in low frequency to the RSSI's of access point transmission low-frequency beacon frame and/or high frequency beacon frame Feedback information, feedback information are used to indicate the low frequency of website and/or the channel conditions of high frequency.

Optionally, receiving module 12, are also used to the SSW trigger frame sent in low frequency reception access point, and SSW trigger frame is used for The resource indication information that the feedback SSW ACK frame of the feedback information and website that indicate sector scanning uses；

Sending module 11 is also used to send SSW ACK frame to access point in low frequency, and SSW ACK frame is that website is touched according to SSW The corresponding resource indication information of website in frame is sent out to carry out in the corresponding resource unit of website according to the corresponding physical layer parameter of website It sends.

The embodiment of the present application provides another data transmission device, the structure of the data transmission device 0 institute referring to figure 3. Show, the data transmission device can in the case where reducing high frequency channel expense, allow access point can understand website low frequency and/ Or the channel conditions of high frequency.The data transmission device comprises the following modules:

Sending module 11 includes high frequency beacon frame in low-frequency beacon frame for sending low-frequency beacon frame to website in low frequency Sending time；It is also used to send high frequency beacon frame to website according to sending time in high frequency；

Receiving module 12, the reception letter of low-frequency beacon frame and/or high frequency beacon frame for being sent in low frequency reception website The feedback information of number intensity instruction RSSI, feedback information are used to indicate the low frequency of website and/or the channel conditions of high frequency.

Low-frequency beacon frame that the access point of the embodiment of the present application is sent in low frequency reception website and/or high frequency beacon frame The feedback information of RSSI can make access point understand the low frequency of website and/or the channel conditions of high frequency；Moreover, access point is low The feedback information that frequency receives RSSI can reduce the expense of high frequency channel.

It is the schematic diagram of another data transmission device provided by the embodiments of the present application shown in Figure 31.It, should referring to Figure 31 Data transmission device can make website to the channel conditions of access point feedback website in the case where reducing high frequency channel expense. The data transmission device comprises the following modules:

Receiving module 21, the low-frequency beacon frame for sending in low frequency reception access point include high frequency in low-frequency beacon frame The sending time of beacon frame；It is also used to receive the high frequency beacon frame that access point is sent in high frequency and in sending time；

Module 22 is obtained, for obtaining the RSSI of low-frequency beacon frame and/or high frequency beacon frame；

Sending module 23, for low frequency to access point send low-frequency beacon frame and/or high frequency beacon frame RSSI it is anti- Feedforward information, feedback information are used to indicate the low frequency of website and/or the channel conditions of high frequency.

The website of the embodiment of the present application can send low-frequency beacon frame and/or high frequency beacon frame to access point in low frequency The feedback information of RSSI, to make the channel conditions of access point understanding website；Moreover, website sends RSSI to access point in low frequency Feedback information, so the embodiment of the present application can reduce the expense of high frequency channel.

The embodiment of the present application provides another data transmission device, the structure of the data transmission device 0 institute referring to figure 3. Show, which can make access point to the more efficient of the feedback information of multiple websites transmission sector scanning, and SSW ACK frame can have been asked for multiple websites by SSW trigger frame.The data transmission device comprises the following modules:

Sending module 11, for sending SSW trigger frame to website in low frequency, SSW trigger frame is used to indicate sector scanning The resource indication information that the feedback SSW ACK frame of feedback information and website uses；

Receiving module 12, the SSW ACK frame for sending in low frequency reception website, SSW ACK frame is that website is touched according to SSW The corresponding resource indication information of website in frame is sent out to carry out in the corresponding resource unit of website according to the corresponding physical layer parameter of website It sends.

The access point of the embodiment of the present application sends SSW trigger frame to website in low frequency, and access point can allow multiple website roots The feedback information of sector scanning is recognized according to SSW trigger frame, so access point sends the feedback letter of sector scanning to multiple websites What is ceased is more efficient；Moreover, access point can also allow multiple websites according to SSW trigger frame recognize website feedback frame use Resource indication information, so access point has asked for SSW ACK frame to multiple websites by SSW trigger frame；In addition, the application is implemented The access point of example sends SSW trigger frame in low frequency, it is possible to reduce the expense of high frequency channel.

Optionally, whether the feedback information of sector scanning includes sector selection, the report of day line options, signal-to-noise ratio or needs to take turns At least one of ask；Resource indication information include use resource unit, use coding or in modulation system at least one Kind.

Receiving module 12, the SSW trigger frame for sending in low frequency reception access point, SSW trigger frame are used to indicate sector The resource indication information that the feedback information of scanning and the feedback SSW ACK frame of website use；

Sending module 11, for sending SSW ACK frame to access point in low frequency, SSW ACK frame is that website is triggered according to SSW The corresponding resource indication information of website is sent out in the corresponding resource unit of website according to the corresponding physical layer parameter of website in frame It send.

The SSW trigger frame that the website of the embodiment of the present application is sent in low frequency reception access point, can allow multiple websites according to SSW trigger frame recognizes the feedback information of sector scanning, so multiple websites can receive the sector scanning of access point transmission Feedback information it is more efficient；Moreover, it is also possible to which multiple websites is allowed to recognize that the feedback frame of website uses according to SSW trigger frame Resource indication information, so multiple websites can according to SSW trigger frame to access point feed back SSW ACK frame；In addition, the application For the website of embodiment in low frequency reception SSW trigger frame, channel is more stable, and robustness is good, it is possible to reduce the expense of high frequency channel.

It is the schematic diagram of another data transmission device provided by the embodiments of the present application shown in Figure 32.It, should referring to Figure 32 Data transmission device can allow access point more efficient to the data transfer demands of multiple websites reception and registration collection site, and And access point can also receive feedback of multiple websites based on data transfer demands faster.The data transmission device includes With lower module:

Sending module 31, for sending Empty packet feedback report poll NDP feedback to website in low frequency Report Poll trigger frame, NDP feedback Report Poll trigger frame are used for the data transfer demands of collection site.

The access point of the embodiment of the present application sends NDP feedback Report Poll trigger frame to website in low frequency, can So that multiple websites receive NDP feedback Report Poll trigger frame simultaneously, guarantee multiple websites while recognizing to connect Access point wants the data transfer demands of collection site, and middle access point is sent to each website one by one in high frequency compared with the existing technology takes turns For asking frame, the NDP feedback Report Poll trigger frame of the embodiment of the present application more efficient can be passed to multiple websites Up to the data transfer demands of collection site, moreover, access point can also receive multiple websites faster to be needed based on data transmission The feedback asked.In addition, the access point of the embodiment of the present application sends NDP feedback Report Poll touching to website in low frequency Send out frame, it is possible to reduce the expense of high frequency channel.

Optionally, NDP feedback Report Poll trigger frame includes feedback type field；Feedback type field is used It needs to feed back whether have low frequency transmitting uplink data demand in instruction website；Alternatively, feedback type field, which is used to indicate website, to be needed Whether feed back has high frequency upstream data transfer demands；Alternatively, feedback type field, which is used to indicate website, needs whether feedback wishes Upload service interval requests SPR frame is hoped to show high frequency upstream demand；It is needed instead alternatively, feedback type field is used to indicate website Whether feedback, which is wished to be directed at uplink, is updated.

It is the schematic diagram of another data transmission device provided by the embodiments of the present application shown in Figure 33.It, should referring to Figure 33 Data transmission device can make multiple websites while recognize that access point wants the data transfer demands of collection site, and multiple websites Can also the feedback based on data transfer demands be sent to access point faster.The data transmission device comprises the following modules:

Receiving module 41, the NDP feedback Report Poll trigger frame for being sent in low frequency reception access point, NDP feedback Report Poll trigger frame is used for the data transfer demands of collection site.

Multiple websites of the embodiment of the present application can receive NDP feedback Report Poll trigger frame simultaneously, protect It demonstrate,proves multiple websites while recognizing that access point wants the data transfer demands of collection site；Moreover, the NDP of the embodiment of the present application Feedback Report Poll trigger frame can it is more efficient to multiple websites convey collection site data transfer demands, it is more A website can also send the feedback based on data transfer demands to access point faster.In addition, the website of the embodiment of the present application In the NDP feedback Report Poll trigger frame that low frequency reception to access point is sent, it is possible to reduce high frequency channel is opened Pin.

The embodiment of the present application provides another data transmission device, the structure of the data transmission device 0 institute referring to figure 3. Show, which more efficient can convey the demand asking for high frequency and caching to multiple websites, moreover, access point can also To receive the feedback that multiple websites are cached based on high frequency faster.The data transmission device comprises the following modules:

Sending module 11, for sending high frequency caching report HF BSR trigger frame or high frequency task interval to website in low frequency HF SPR trigger frame is requested, HF BSR trigger frame or HF SPR trigger frame are used to ask for high frequency caching to website is detailed；

Receiving module 12, HF BSR frame or HF SPR frame, HF BSR frame or HF for being sent in low frequency reception website SPR frame is that website is sent according to the corresponding resource indication information of website in HF BSR trigger frame or HF SPR trigger frame.

The access point of the embodiment of the present application sends HF BSR trigger frame or HF SPR trigger frame to website in low frequency, can make Multiple websites receive HF BSR trigger frame or HF SPR trigger frame simultaneously, guarantee multiple websites while recognizing access point to station Point it is detailed asks for high frequency caching, compared with the existing technology in access point high frequency one by one to each website send poll frame and Speech, the HF BSR trigger frame or HF SPR trigger frame of the embodiment of the present application more efficient can ask for high frequency to the reception and registration of multiple websites The demand of caching, moreover, access point can also receive the feedback that multiple websites are cached based on high frequency faster.In addition, this Shen Please the access point of embodiment send HF BSR trigger frame or HF SPR trigger frame to website in low frequency, it is possible to reduce high frequency channel Expense.

The embodiment of the present application provides another data transmission device, the structure of the data transmission device 0 institute referring to figure 3. Show, what the reception access point that the website of the data transmission device can be more efficient was conveyed asks for the demand of high frequency caching, moreover, station Point can also send the feedback cached based on high frequency to access point faster.The data transmission device comprises the following modules:

Receiving module 12, HF BSR trigger frame or HF SPR trigger frame for being sent in low frequency reception access point, HF BSR trigger frame or HF SPR trigger frame are used to ask for high frequency caching to website is detailed；

Sending module 11, for sending HF BSR frame or HF SPR frame, HF BSR frame or HF SPR frame to website in low frequency It is that website is sent according to the corresponding resource indication information of website in HF BSR trigger frame or HF SPR trigger frame.

The HF BSR trigger frame or HF SPR trigger frame that the website of the embodiment of the present application is sent in low frequency reception access point, can So that multiple websites receive HF BSR trigger frame or HF SPR trigger frame simultaneously, guarantees multiple websites while recognizing access point High frequency caching is asked for website is detailed, middle access point sends poll frame to each website one by one in high frequency compared with the existing technology For, the HF BSR trigger frame or HF SPR trigger frame of the embodiment of the present application more efficient can ask for height to the reception and registration of multiple websites The demand of frequency caching, moreover, website can also send the feedback cached based on high frequency to access point faster.In addition, the application The HF BSR trigger frame or HF SPR trigger frame that the website of embodiment is sent in low frequency reception access point, it is possible to reduce high frequency channel Expense.

The embodiment of the present application provides another data transmission device, the structure of the data transmission device 2 institute referring to figure 3. Show, the access point of the data transmission device can be dispatched simultaneously in the trigger frame for the low-and high-frequency mixed scheduling that low frequency is sent to website Website is transmitted in the data of low frequency and high frequency.The data transmission device comprises the following modules:

Sending module 31 is mixed in low-and high-frequency and is adjusted for sending the trigger frame of low-and high-frequency mixed scheduling to website in low frequency There are when target identification in the trigger frame of degree, the trigger frame that target identification is used to indicate low-and high-frequency mixed scheduling includes low frequent user Information and high frequency user information；Low frequent user information carries out data transmission for dispatching website in low frequency, and high frequency user information is used Carry out data transmission in scheduling website in high frequency.

In the embodiment of the present application, if there are target identifications in the trigger frame of low-and high-frequency mixed scheduling, illustrate height It include low frequent user information and high frequency user information in the trigger frame of low frequency mixed scheduling.Trigger frame in compared with the existing technology For low frequent user information or high frequency user information can only be carried, the trigger frame of the low-and high-frequency mixed scheduling in the embodiment of the present application Low frequent user information and high frequency user information can be carried simultaneously, so the trigger frame by low-and high-frequency mixed scheduling can be simultaneously It dispatches website to transmit in the data of low frequency and high frequency, to refer to efficiency of transmission.In addition, the access point of the embodiment of the present application exists Low frequency sends the trigger frame of low-and high-frequency mixed scheduling to website, it is possible to reduce the expense of high frequency channel.

Optionally, the trigger frame of low-and high-frequency mixed scheduling includes low-and high-frequency distinguishing identifier, and low-and high-frequency distinguishing identifier is for referring to Show that the user information in the trigger frame of low-and high-frequency mixed scheduling is low frequent user information or high frequency user information.

Optionally, low-and high-frequency distinguishing identifier is arranged in each user information of the trigger frame of low-and high-frequency mixed scheduling, high Low frequency distinguishing identifier is the mark of low frequent user information or the mark of high frequency user information；Alternatively, low-and high-frequency distinguishing identifier is arranged In the public domain of the trigger frame of low-and high-frequency mixed scheduling, low-and high-frequency distinguishing identifier is that low frequent user information or high frequency user believe The quantity of breath；Alternatively, the low frequent user information and high frequency of the trigger frame of low-and high-frequency mixed scheduling is arranged in low-and high-frequency distinguishing identifier Between user information, low-and high-frequency distinguishing identifier is the separator for separating low frequent user information and high frequency user information.

The embodiment of the present application provides another data transmission device, the structure of the data transmission device 3 institute referring to figure 3. Show, the website of the data transmission device can be adjusted simultaneously in the trigger frame for the low-and high-frequency mixed scheduling that low frequency reception access point is sent Website is spent to transmit in the data of low frequency and high frequency.The data transmission device comprises the following modules:

Receiving module 41, the trigger frame of the low-and high-frequency mixed scheduling for being sent in low frequency reception access point, in low-and high-frequency There are when target identification in the trigger frame of mixed scheduling, the trigger frame that target identification is used to indicate low-and high-frequency mixed scheduling includes low Frequency user information and high frequency user information；Low frequent user information carries out data transmission for dispatching website in low frequency, high frequency user Information carries out data transmission for dispatching website in high frequency.

In the embodiment of the present application, if there are target identifications in the trigger frame of low-and high-frequency mixed scheduling, illustrate height It include low frequent user information and high frequency user information in the trigger frame of low frequency mixed scheduling.Trigger frame in compared with the existing technology For low frequent user information or high frequency user information can only be carried, the trigger frame of the low-and high-frequency mixed scheduling in the embodiment of the present application Low frequent user information and high frequency user information can be carried simultaneously, so the trigger frame by low-and high-frequency mixed scheduling can be simultaneously It dispatches website to transmit in the data of low frequency and high frequency, to refer to efficiency of transmission.In addition, the website of the embodiment of the present application is low Frequency receives the trigger frame for the low-and high-frequency mixed scheduling that access point is sent, it is possible to reduce the expense of high frequency channel.

The embodiment of the present application provides another data transmission device, the structure of the data transmission device 2 institute referring to figure 3. Show, the access point of the data transmission device can dispatch website in low frequency in the A-MPDU aggregate frame that low frequency is sent to website simultaneously It is transmitted with the data of high frequency.The data transmission device comprises the following modules:

Sending module 31, for sending aggregated media intervention control protocol data cell A-MPDU polymerization to website in low frequency Frame, A-MPDU aggregate frame include low frequency trigger frame and the first bulletin frame, and low frequency trigger frame includes low frequent user information, the first bulletin The more gigabit extensible elements of directionality and/or the more gigabit extensible elements of enhanced directionality in frame include high frequency user information；It is low Frequency user information carries out data transmission for dispatching website in low frequency, and high frequency user information is counted for dispatching website in high frequency According to transmission.

A-MPDU aggregate frame in the embodiment of the present application can carry low frequent user information and high frequency user information, institute simultaneously It is transmitted so that website can be dispatched simultaneously by A-MPDU aggregate frame in the data of low frequency and high frequency, to refer to efficiency of transmission. In addition, the access point of the embodiment of the present application sends A-MPDU aggregate frame to website in low frequency, it is possible to reduce the expense of high frequency channel.

The embodiment of the present application provides another data transmission device, the structure of the data transmission device 3 institute referring to figure 3. Show, the website of the data transmission device can dispatch website low in the A-MPDU aggregate frame that low frequency reception access point is sent simultaneously The data of frequency and high frequency are transmitted.The data transmission device comprises the following modules:

Receiving module 41, the A-MPDU aggregate frame for sending in low frequency reception access point, A-MPDU aggregate frame includes low Frequency trigger frame and the first bulletin frame, low frequency trigger frame include low frequent user information, and the more gigabits of directionality in the first bulletin frame expand It opens up element and/or the more gigabit extensible elements of enhanced directionality includes high frequency user information；Low frequent user information is used for control station Point carries out data transmission in low frequency, and high frequency user information carries out data transmission for dispatching website in high frequency.

A-MPDU aggregate frame in the embodiment of the present application can carry low frequent user information and high frequency user information, institute simultaneously It is transmitted so that website can be dispatched simultaneously by A-MPDU aggregate frame in the data of low frequency and high frequency, to refer to efficiency of transmission. In addition, the A-MPDU aggregate frame that the website of the embodiment of the present application is sent in low frequency reception access point, it is possible to reduce high frequency channel Expense.

The embodiment of the present application provides another data transmission device, the structure of the data transmission device 2 institute referring to figure 3. Show, the access point of the data transmission device the second bulletin frame that low frequency is sent to website can dispatch simultaneously website in low frequency and The data of high frequency are transmitted.The data transmission device comprises the following modules:

Sending module 31, for sending the second bulletin frame to website in low frequency, the low frequency in the action action frame of the second bulletin frame Triggering information element includes low frequent user information, more gigabit extensible elements of directionality in the action action frame of the second bulletin frame and/or The enhanced more gigabit extensible elements of directionality include high frequency user information；Low frequent user information is carried out for dispatching website in low frequency Data transmission, high frequency user information carry out data transmission for dispatching website in high frequency.

The second bulletin frame in the embodiment of the present application can carry low frequent user information and high frequency user information simultaneously, so Website can be dispatched simultaneously by the second bulletin frame to transmit in the data of low frequency and high frequency, to refer to efficiency of transmission.In addition, The access point of the embodiment of the present application sends the second bulletin frame to website in low frequency, it is possible to reduce the expense of high frequency channel.

The embodiment of the present application provides another data transmission device, the structure of the data transmission device 3 institute referring to figure 3. Show, the website of the data transmission device can dispatch website in low frequency in the second bulletin frame that low frequency reception access point is sent simultaneously It is transmitted with the data of high frequency.The data transmission device comprises the following modules:

Receiving module 41, the second bulletin frame for sending in low frequency reception access point, second announces in the action action frame of frame Low frequency triggering information element include low frequent user information, the more gigabit extensible elements of directionality in the action action frame of the second bulletin frame And/or the enhanced more gigabit extensible elements of directionality include high frequency user information；Low frequent user information is for dispatching website low Frequency carries out data transmission, and high frequency user information carries out data transmission for dispatching website in high frequency.

The second bulletin frame in the embodiment of the present application can carry low frequent user information and high frequency user information simultaneously, so Website can be dispatched simultaneously by the second bulletin frame to transmit in the data of low frequency and high frequency, to refer to efficiency of transmission.In addition, The second bulletin frame that the website of the embodiment of the present application is sent in low frequency reception access point, it is possible to reduce the expense of high frequency channel.

It is the schematic diagram of another data transmission device provided by the embodiments of the present application shown in Figure 34.It, should referring to Figure 34 Device includes processor 51, memory 52 and transceiver 53, wherein processor 51, memory 52 and transceiver 53 pass through inside Connecting path communicates with each other, and for storing instruction, processor 51 is used to execute the instruction of the storage of memory 52 to memory 52, with control Transceiver 53 processed receives signal, and controls transceiver 53 and send signal, and when processor 51 executes the memory 52 storage When instruction, the device make the processor 51 execute above-mentioned Fig. 4, Fig. 6, Fig. 8, Figure 10, Figure 12, Figure 15, Figure 17, Figure 19, Figure 22, Method shown in Figure 24 and Figure 27.

The embodiment of the present application provides a kind of computer readable storage medium, is stored in the computer readable storage medium Instruction, when run on a computer so that computer execute above-mentioned Fig. 4, Fig. 6, Fig. 8, Figure 10, Figure 12, Figure 15, Figure 17, Method shown in Figure 19, Figure 22, Figure 24 and Figure 27.

The embodiment of the present application provides a kind of computer program product comprising instruction, when run on a computer, So that computer executes shown in above-mentioned Fig. 4, Fig. 6, Fig. 8, Figure 10, Figure 12, Figure 15, Figure 17, Figure 19, Figure 22, Figure 24 and Figure 27 Method.

The embodiment of the present application provides a kind of chip, and the chip includes processor and/or program instruction, when the chip When operation, side shown in above-mentioned Fig. 4, Fig. 6, Fig. 8, Figure 10, Figure 12, Figure 15, Figure 17, Figure 19, Figure 22, Figure 24 and Figure 27 is realized Method.

It should be noted that it is the alternative embodiment that the application is introduced, art technology that the application, which provides embodiment, Personnel on this basis, can be designed that more embodiments, therefore no longer repeat herein completely.

Those of ordinary skill in the art may be aware that list described in conjunction with the examples disclosed in the embodiments of the present disclosure Member and algorithm steps can be realized with the combination of electronic hardware or computer software and electronic hardware.These functions are actually It is implemented in hardware or software, the specific application and design constraint depending on technical solution.Professional technician Each specific application can be used different methods to achieve the described function, but this realization is it is not considered that exceed Scope of the present application.

It is apparent to those skilled in the art that for convenience and simplicity of description, the system of foregoing description, The specific work process of device and unit, can refer to corresponding processes in the foregoing method embodiment, and details are not described herein.

In several embodiments provided herein, it should be understood that disclosed systems, devices and methods, it can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the division of unit, Only a kind of logical function partition, there may be another division manner in actual implementation, such as multiple units or components can be with In conjunction with or be desirably integrated into another system, or some features can be ignored or not executed.Another point, it is shown or discussed Mutual coupling, direct-coupling or communication connection can be through some interfaces, the INDIRECT COUPLING of device or unit or Communication connection can be electrical property, mechanical or other forms.

Unit may or may not be physically separated as illustrated by the separation member, shown as a unit Component may or may not be physical unit, it can and it is in one place, or may be distributed over multiple networks On unit.It can some or all of the units may be selected to achieve the purpose of the solution of this embodiment according to the actual needs.

It, can also be in addition, each functional unit in each embodiment of the application can integrate in one processing unit It is that each unit physically exists alone, can also be integrated in one unit with two or more units.

If function is realized in the form of SFU software functional unit and when sold or used as an independent product, can store In a computer readable storage medium.Based on this understanding, the technical solution of the application is substantially in other words to existing Having the part for the part or the technical solution that technology contributes can be embodied in the form of software products, the computer Software product is stored in a storage medium, including some instructions are used so that a computer equipment (can be personal meter Calculation machine, server or network equipment etc.) or processor (processor) execute each embodiment method of the application whole Or part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic or disk etc. are various can store journey The medium of sequence code.

More than, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, and it is any to be familiar with Those skilled in the art within the technical scope of the present application, can easily think of the change or the replacement, and should all cover Within the protection scope of the application.Therefore, the protection scope of the application should be subject to the protection scope in claims.

Claims

1. a kind of data transmission method, which is characterized in that the described method includes:

Access point sends scheduling formula association-beam forming training A-BFT frame to website in low frequency, and the scheduling formula A-BFT frame is used In instruction website time slot scheduling corresponding to the section A-BFT；

The sector scanning SSW frame that described access point website described in high-frequency reception is sent in the time slot scheduling, when the scheduling Gap is that the website is determined according to the scheduling formula A-BFT frame.

2. data transmission method according to claim 1, which is characterized in that described access point is sent out in low frequency to the website Before sending the scheduling formula A-BFT frame, the method also includes:

Described access point sends low-frequency beacon frame to the website in low frequency, includes high frequency beacon frame in the low-frequency beacon frame Sending time；

Described access point sends the high frequency beacon frame to the website according to the sending time in high frequency；

The reception of the low-frequency beacon frame and/or the high frequency beacon frame that described access point website described in low frequency reception is sent Signal strength indicates that the feedback information of RSSI, the feedback information are used to indicate the low frequency of the website and/or the channel of high frequency Situation.

3. data transmission method according to claim 1, which is characterized in that described access point website described in high-frequency reception After the SSW frame that the time slot scheduling is sent, the method also includes:

Described access point sends SSW trigger frame to the website in low frequency, and the SSW trigger frame is used to indicate the anti-of sector scanning The resource indication information that the feedback sector scanning confirmation SSW ACK frame of feedforward information and the website uses；

The SSW ACK frame that described access point website described in low frequency reception is sent, the SSW ACK frame is website according to The corresponding resource indication information of website described in SSW trigger frame is corresponding according to the website in the corresponding resource unit of the website Physical layer parameter sent.

4. data transmission method according to claim 3, it is characterised in that:

Whether the feedback information of the sector scanning includes sector selection, the report of day line options, signal-to-noise ratio or needs in poll It is at least one；

The resource indication information includes at least one of the resource unit used, the coding of use or modulation system.

5. data transmission method according to claim 2, it is characterised in that:

The feedback information of the RSSI includes at least one in low frequency mark, high frequency mark, high frequency extension mark or high frequency RSSI Kind；

Whether the RSSI that the low frequency mark is used to indicate the low-frequency beacon frame meets the range of low-frequency transmission；

The high frequency mark is used to indicate the website and receives the high frequency beacon frame of described access point directive sending in omnidirectional Whether the maximum value of RSSI meets high-frequency transmission range；

The high frequency extends mark and is used to indicate the high frequency beacon frame that the website receives described access point directive sending in omnidirectional RSSI maximum value and the sum of target value whether meet high-frequency transmission range.

6. a kind of data transmission method, which is characterized in that the described method includes:

The scheduling formula A-BFT frame that website is sent in low frequency reception access point, the scheduling formula A-BFT frame are used to indicate the website The time slot scheduling corresponding to the section A-BFT；

The website sends sector scanning SSW frame, the time slot scheduling to described access point in high frequency and in the time slot scheduling It is determined for the website according to the scheduling formula A-BFT frame.

7. data transmission method according to claim 6, which is characterized in that the website is in low frequency reception described access point Before the scheduling formula A-BFT frame sent, the method also includes:

The low-frequency beacon frame that the website is sent in low frequency reception described access point includes high frequency beacon in the low-frequency beacon frame The sending time of frame；

The website receives the high frequency beacon frame that described access point is sent in high frequency and in the sending time；

The RSSI of low-frequency beacon frame described in the station for acquiring and/or the high frequency beacon frame；

The website low frequency to described access point send the low-frequency beacon frame and/or the high frequency beacon frame RSSI it is anti- Feedforward information, the feedback information are used to indicate the low frequency of the website and/or the channel conditions of high frequency.

8. data transmission method according to claim 6, which is characterized in that the website is in high frequency and in the scheduling After gap sends the SSW frame to described access point, the method also includes:

The SSW trigger frame that the website is sent in low frequency reception described access point, the SSW trigger frame are used to indicate sector scanning Feedback information and the website feedback SSW ACK frame use resource indication information；

The website sends SSW ACK frame to described access point in low frequency, and the SSW ACK frame is that website is touched according to the SSW The corresponding resource indication information of website described in frame is sent out in the corresponding resource unit of the website according to the corresponding object of the website Reason layer parameter is sent.

9. data transmission method according to claim 8, it is characterised in that:

10. a kind of data transmission device, which is characterized in that described device includes:

Sending module, for sending scheduling formula association-beam forming training A-BFT frame, the scheduling formula A- to website in low frequency BFT frame is used to indicate website time slot scheduling corresponding to the section A-BFT；

Receiving module, for the sector scanning SSW frame that the website described in high-frequency reception is sent in the time slot scheduling, the scheduling Time slot is that the website is determined according to the scheduling formula A-BFT frame.

11. data transmission device according to claim 10, it is characterised in that:

The sending module is also used to send low-frequency beacon frame to the website in low frequency, includes height in the low-frequency beacon frame The sending time of frequency beacon frame；It is also used to send the high frequency beacon frame to the website according to the sending time in high frequency；

The receiving module is also used to the low-frequency beacon frame and/or high frequency letter of the transmission of the website described in low frequency reception Mark frame received signal strength indicator RSSI feedback information, the feedback information be used to indicate the website low frequency and/or The channel conditions of high frequency.

12. data transmission device according to claim 10, it is characterised in that:

The sending module is also used to send SSW trigger frame to the website in low frequency, and the SSW trigger frame is used to indicate fan The resource indication information that the feedback sector scanning confirmation SSW ACK frame of the feedback information of domain scanning and the website uses；

The receiving module is also used to the SSW ACK frame of the transmission of the website described in low frequency reception, and the SSW ACK frame is website According to the corresponding resource indication information of website described in the SSW trigger frame in the corresponding resource unit of the website according to described The corresponding physical layer parameter of website is sent.

13. data transmission device according to claim 12, it is characterised in that:

14. data transmission device according to claim 11, it is characterised in that:

15. a kind of data transmission device, which is characterized in that described device includes:

Receiving module, the scheduling formula A-BFT frame for sending in low frequency reception access point, the scheduling formula A-BFT frame is for referring to Show website time slot scheduling corresponding to the section A-BFT；

Sending module, for sending sector scanning SSW frame, the scheduling to described access point in high frequency and in the time slot scheduling Time slot is that the website is determined according to the scheduling formula A-BFT frame.

16. data transmission device according to claim 15, which is characterized in that described device further includes obtaining module, In:

The receiving module is also used to the low-frequency beacon frame sent in low frequency reception described access point, in the low-frequency beacon frame Sending time comprising high frequency beacon frame；It is also used to receive described in described access point transmission in high frequency and in the sending time High frequency beacon frame；

The acquisition module, for obtaining the RSSI of the low-frequency beacon frame and/or the high frequency beacon frame；

The sending module is also used to send the low-frequency beacon frame and/or the high frequency beacon to described access point in low frequency The feedback information of the RSSI of frame, the feedback information are used to indicate the low frequency of the website and/or the channel conditions of high frequency.

17. data transmission device according to claim 15, it is characterised in that:

The receiving module, is also used to the SSW trigger frame sent in low frequency reception described access point, and the SSW trigger frame is used for The resource indication information that the feedback SSW ACK frame of the feedback information and the website that indicate sector scanning uses；

The sending module is also used to send SSW ACK frame to described access point in low frequency, and the SSW ACK frame is website root According to the corresponding resource indication information of website described in the SSW trigger frame in the corresponding resource unit of the website according to the station The corresponding physical layer parameter of point is sent.

18. data transmission device according to claim 17, it is characterised in that: