CN103957087A - Wireless communication method, related devices and system - Google Patents
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Abstract
The embodiment of the invention discloses a wireless communication method. The wireless communication method comprises the steps that a plurality of sets of data frames sent by a data sending end are continuously received; BA message frames are generated according to the receiving states of the data frames, wherein the BA message frames comprise group number messages and corresponding data receiving state messages, one group number message corresponds to one set of received data frame, and the data receiving state messages are used for indicating the receiving state messages of the received data frames corresponding to the group number messages; the BA message frames are sent to the data sending end. The invention further discloses related devices and a system. By the adoption of the wireless communication method, the related devices and the system, the BA interaction frequency between a data receiving end and the data sending end is reduced, the number of the sent BA message frames is reduced greatly, the technical problems that as the number of the BA message frames increases in the prior art, the fixed expenses are large and the effective utilization rate of frequency spectrums is low are solved, the number of the sent BA message frames is controlled effectively, the fixed expenses are reduced greatly, and the effective utilization rate of the frequency spectrums is improved.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of wireless communications method, relevant device and system.
Background technology
Along with the progress of ICT (information and communication technology), various wireless communication technologys are recently developed.In the middle of these wireless communication technologys, WLAN (wireless local area network) (WLAN) is that one can be by being used portable terminal (such as intelligent mobile terminal, panel computer, portable media player etc.) in family or enterprise or the technology with wireless mode online in the region of special services being provided.
Availability of frequency spectrum efficiency in existing Wireless Fidelity (Wireless Fidelity, Wi-Fi) technology is the hot issue that people pay close attention to; The competition mechanism of existing Wi-Fi technology and fixed overhead are all to affect the not high factor of the Wi-Fi technology availability of frequency spectrum, the principle schematic of Wi-Fi data interaction in prior art as shown in Figure 1, each Wi-Fi equipment completes after data interaction, data receiver can reply piece and confirm (Block ACK, BA) message frame is to data receiver, represent the state of the packet receiving, wherein use " 1 " to represent to be correctly received, " 0 " represents not to be correctly received.
But, in BA message frame, containing physics head, medium access control (Medium Access Control, MAC) head and short interFrameGap (Short Inter-Frame Space, SIFS), these are all fixed overhead; Along with the increase of BA message frame quantity, will greatly affect the efficiency of MAC layer, thereby affected the effective rate of utilization of Wi-Fi frequency spectrum.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of wireless communications method, relevant device and system are provided, and has effectively controlled the quantity forwarded of BA message frame, has improved the effective rate of utilization of frequency spectrum.
First aspect, the embodiment of the present invention provides a kind of wireless communications method, comprising:
Receive continuously the multi-group data frame that data sending terminal sends;
Generate chunk acknowledge message frame according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Send described chunk acknowledge message frame to described data sending terminal.
In conjunction with first aspect, in the possible implementation of the first, in one group of Frame of reception, comprise multiple data bursts.
In conjunction with first aspect, in the possible implementation of the second, described group number information is arranged on piece and confirms in the reservation bit position of control domain.
In conjunction with the possible implementation of the first of first aspect, in the third possible implementation, described data receiving status information is specifically for indicating the receiving status information of multiple data bursts in the corresponding group Frame receiving of described group number information;
When data burst in group Frame is correctly received, in described data receiving status information, correspondence arranges the first preset value;
When data burst in group Frame is not correctly received, in described data receiving status information, correspondence arranges the second preset value.
In conjunction with the third possible implementation of first aspect, in the 4th kind of possible implementation, described data receiving status information is arranged on the piece in piece confirmation territory and confirms in message bit pattern.
Second aspect, the embodiment of the present invention provides a kind of wireless communications method, comprising:
Send continuously multi-group data frame to data receiver;
Receive the chunk acknowledge message frame of described data receiver feedback, described chunk acknowledge message frame is the chunk acknowledge message frame that described data receiver generates according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Resolve described chunk acknowledge message frame, obtain the receiving status information of described group of Frame.
In conjunction with second aspect, in the possible implementation of the first, also comprise: at the described chunk acknowledge message of described parsing frame, after obtaining the receiving status information of described group of Frame, according to the receiving status information of described group of Frame, the group Frame not being correctly received is resend.
The third aspect, the embodiment of the present invention provides a kind of radio receiver, comprising:
Group Frame receiver module, for receiving continuously the multi-group data frame that data sending terminal sends;
Chunk is confirmed generation module, for generate chunk acknowledge message frame according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Chunk is confirmed sending module, for send described chunk acknowledge message frame to described data sending terminal.
In conjunction with the third aspect, in the possible implementation of the first, in one group of Frame of described group of Frame receiver module reception, comprise multiple data bursts.
In conjunction with the third aspect, in the possible implementation of the second, described chunk confirm generation module specifically for, described group number information is arranged on to piece and confirms in the reservation bit position of control domain.
In conjunction with the possible implementation of the first of the third aspect, in the third possible implementation, described data receiving status information is specifically for indicating the receiving status information of multiple data bursts in the corresponding group Frame receiving of described group number information;
Described chunk confirms that generation module comprises:
The first setting unit, for being correctly received when group Frame data burst, in described data receiving status information, correspondence arranges the first preset value;
The second setting unit, for not being correctly received when group Frame data burst, in described data receiving status information, correspondence arranges the second preset value.
In conjunction with the third possible implementation of the third aspect, in the 4th kind of possible implementation, described chunk confirm generation module specifically for, the piece that described data receiving status information is arranged on to piece confirmation territory is confirmed in message bit pattern.
Fourth aspect, the embodiment of the present invention provides a kind of wireless base station apparatus, comprising:
Group Frame sending module, for sending continuously multi-group data frame to data receiver;
Chunk is confirmed receiver module, for receiving the chunk acknowledge message frame of described data receiver feedback, described chunk acknowledge message frame is the chunk acknowledge message frame that described data receiver generates according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Chunk is confirmed parsing module, for resolving described chunk acknowledge message frame, obtains the receiving status information of described group of Frame.
In conjunction with fourth aspect, in the possible implementation of the first, also comprise:
Resend module, for according to the receiving status information of described group of Frame, the group Frame not being correctly received is resend.
The 5th aspect, the embodiment of the present invention provides a kind of data transmission system, comprises data sending device and data sink, wherein
Described data sink is as the third aspect, or the implementation that the first of the third aspect is possible, or the implementation that the second of the third aspect is possible, or the third possible implementation of the third aspect, or radio receiver in the 4th kind of possible implementation of the third aspect;
Described data sending device is as fourth aspect, or wireless base station apparatus in the possible implementation of the first of fourth aspect.
By implementing the embodiment of the present invention, receiving continuously after multi-group data frame, generate chunk acknowledge message frame according to the accepting state of multi-group data frame, and send to data sending terminal; Reduce the BA interaction times of data receiver and data sending terminal, greatly reduce the quantity forwarded of BA message frame, solve in prior art along with the increase of BA message frame quantity causes fixed overhead large, the technical problem that rational spectrum utilization rate is low, effectively control the quantity forwarded of BA message frame, greatly reduce fixed overhead, improved the effective rate of utilization of frequency spectrum.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the principle schematic of Wi-Fi data interaction in prior art;
Fig. 2 is the schematic flow sheet of wireless communications method provided by the invention;
Fig. 3 is the structural representation of chunk acknowledge message frame format provided by the invention;
Fig. 4 is the provided by the invention structural representation of confirming control domain form;
Fig. 5 is the structural representation of provided by the invention confirmation territory form;
Fig. 6 is the schematic flow sheet of another embodiment of wireless communications method provided by the invention;
Fig. 7 is the structural representation of radio receiver provided by the invention;
Fig. 8 is the structural representation that chunk provided by the invention is confirmed generation module;
Fig. 9 is the structural representation of wireless base station apparatus provided by the invention;
Figure 10 is the structural representation of another embodiment of wireless base station apparatus provided by the invention;
Figure 11 is the structural representation of data transmission system provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
It should be noted that, the term using is in embodiments of the present invention only for describing the object of specific embodiment, but not is intended to limit the present invention." one ", " described " and " being somebody's turn to do " of the singulative using in the embodiment of the present invention and appended claims are also intended to comprise most forms, unless context clearly represents other implications.It is also understood that term "and/or" used herein refer to and comprise one or more projects of listing that are associated any or all may combine.
Referring to Fig. 2, be the schematic flow sheet of wireless communications method provided by the invention, to bring in and describe technical scheme of the present invention from data receiver, the method comprises:
Step S200: receive continuously the multi-group data frame that data sending terminal sends;
Particularly, in one group of Frame, can comprise multiple data bursts, taking group polymerisation medium MAC layer protocol Data Unit A-MPDU Frame as example, one group of A-MPDU Frame can comprise multiple A-MPDU subframe, i.e. A-MPDU subframe data burst;
Will be understood that, before step S200, data sending terminal and data receiver both sides consult need to transmit the group number of data and the every group of data frame packet quantity containing data burst; Data receiver is not one group of Frame of every reception, just sends piece acknowledge message frame to data sending terminal, but receives continuously after multi-group data frame, execution step S202;
Step S202: generate chunk acknowledge message frame according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Particularly, a corresponding one group of Frame receiving of group number information, for example group number information represents that for " 0001 " the group Frame receiving is first group of Frame, group number information represents that for " 0010 " the group Frame receiving is second group of Frame, i.e. the also order for representing that each group of Frame receives of group number information; Data receiving status information corresponding to this group number information is used to indicate the receiving status information of the group Frame of reception, comprises whether this group Frame is correctly received.
Step S204: send described chunk acknowledge message frame to described data sending terminal.
Further, in step S202, the chunk acknowledge message frame format that data receiver generates can be with reference to of the prior art acknowledge message frame format, the structural representation of chunk acknowledge message frame format provided by the invention as shown in Figure 3, wherein group number information can be arranged in the reservation bit position of piece confirmation control domain, the structural representation of provided by the invention confirmation control domain form as shown in Figure 4, piece confirms that the reservation bit position of 9 bytes of control domain can be used for representing group number information, for example reservation bit position is " 000000001 ", represent that the group Frame receiving is first group of Frame, and for example reservation bit position is " 000000011 ", represent that the group Frame receiving is the 3rd group of Frame, etc.,
Again further, this data receiving status information can be specifically for indicating the receiving status information of multiple data bursts in the corresponding group Frame receiving of this group number information; When data burst in group Frame is correctly received, in described data receiving status information, correspondence arranges the first preset value; When data burst in group Frame is not correctly received, in described data receiving status information, correspondence arranges the second preset value.This first preset value can be " 1 ", and this second preset value can be " 0 "; Or conversely, this first preset value is " 0 ", and this second preset value is " 1 ", as long as communicating pair provisions for negotiations well.
Again further, this data receiving status information can be arranged in the piece confirmation message bit pattern in piece confirmation territory.The structural representation of provided by the invention confirmation territory form as shown in Figure 5, can confirm that message bit pattern Block Ack Bitmap represents data receiving status information by the piece in the BA Information field of piece confirmation territory; Whether the embodiment of the present invention, by conjunction with group number information and data receiving status information corresponding to group number information, represents to receive data and is correctly received, and gives one example and describes below:
If, group number information is that the group Frame of " 000000001 " (i.e. first group of Frame) has comprised 10 data bursts, data receiving status information corresponding to this group number information " 000000001 " is " 1110011100 " (being the information in Block Ack Bitmap), wherein " 1 " designation data in data receiving status information is correctly received, " 0 " designation data is not correctly received, in first group of Frame that this data receiving status information represents to receive so first, second, the the 6th and the 7th data burst is not correctly received, need notification data transmitting terminal to retransmit.
Will be understood that, in the time receiving multi-group data frame, can represent by the data receiving status information that multiple group number information and correspondence thereof are set; The chunk acknowledge message frame format that the embodiment of the present invention generates is not limited to the form shown in Fig. 3, Fig. 4 and Fig. 5, can carry out according to demand self-defined, such as increasing a region newly for identifying group number information and corresponding data receiving status information thereof, as long as communicating pair consults in chunk acknowledge message frame;
Will be understood that again, the chunk acknowledge message frame generating by the present invention, by adding the concept of group in the BA frame format in existing Wi-Fi standard, can send the accepting state confirmation of the many groups of Frames that receive to data sending terminal simultaneously, but fixed overhead is (such as physics head, MAC head and SIFS etc.) reduce widely, such as according to existing Wi-Fi standard, if often receiving the group Frame of 1MB, data receiver needs to send when 1 BA to data sending terminal, tentation data receiving terminal will receive the group Frame of 9MB, need so to send 9 BA to data sending terminal, and the embodiment of the present invention is by generating chunk acknowledge message frame, only need to send 1 chunk acknowledge message frame (organizing BA message frame), fixed overhead has reduced 8/9.
It should be noted that, the wireless communications method of the embodiment of the present invention is without considering compatible problem, because old website (Station, STA) can be resolved to by the physics head part of BA the duration of whole frame, meet existing random back mechanism; The form of the new group BA message frame generating for the present invention, can define encapsulation by Type and the Subtype subdomain in the Frame control territory of mac frame head, and it is specifically expressed as follows:
Correspondingly, in conjunction with the schematic flow sheet of another embodiment of the wireless communications method provided by the invention shown in Fig. 6, describe technical scheme of the present invention from data sending terminal below, the method comprises:
Step S600: send continuously multi-group data frame to data receiver;
Step S602: the chunk acknowledge message frame that receives described data receiver feedback, described chunk acknowledge message frame is the chunk acknowledge message frame that described data receiver generates according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Step S604: resolve described chunk acknowledge message frame, obtain the receiving status information of described group of Frame.
Particularly, can the corresponding description referring to figs. 1 to Fig. 5 embodiment, repeat no more here.
Further, the embodiment of the present invention can also comprise, data sending terminal is at the described chunk acknowledge message of this parsing frame, after obtaining the receiving status information of described group of Frame, according to the receiving status information of described group of Frame, the group Frame not being correctly received is resend.
Particularly, data sending terminal and data receiver both sides hold consultation in advance, data sending terminal can parse each group number information and corresponding data receiving status information in this chunk acknowledge message frame of reception so, thereby know which group Frame is not correctly received, and need to resend.
By implementing the embodiment of the present invention, receiving continuously after multi-group data frame, generate chunk acknowledge message frame according to the accepting state of multi-group data frame, and send to data sending terminal; Reduce the BA interaction times of data receiver and data sending terminal, greatly reduce the quantity forwarded of BA message frame, solve in prior art along with the increase of BA message frame quantity causes fixed overhead large, the technical problem that rational spectrum utilization rate is low, effectively control the quantity forwarded of BA message frame, greatly reduce fixed overhead, improved the effective rate of utilization of frequency spectrum.
The above-mentioned method that elaborates the embodiment of the present invention, below for the ease of implementing better the such scheme of the embodiment of the present invention, correspondingly, is also provided for coordinating the relevant device of implementing such scheme below.
The structural representation of radio receiver provided by the invention as shown in Figure 7, radio receiver 70 is data receiver corresponding to method item embodiment, radio receiver 70 can comprise group Frame receiver module 700, chunk confirmation generation module 702 and chunk confirmation sending module 704, wherein
Group Frame receiver module 700 is for receiving continuously the multi-group data frame that data sending terminal sends;
Chunk confirms that generation module 702 is for generating chunk acknowledge message frame according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Chunk confirms that sending module 704 is for sending described chunk acknowledge message frame to described data sending terminal.
Particularly, in one group of Frame of described group of Frame receiver module reception, comprise multiple data bursts.
Further, chunk confirms that generation module 702 can be specifically for, described group number information is arranged on to piece and confirms in the reservation bit position of control domain.
Again further, data receiving status information is specifically for indicating the receiving status information of multiple data bursts in the corresponding group Frame receiving of described group number information;
Chunk provided by the invention as shown in Figure 8 is confirmed the structural representation of generation module, and chunk confirms that generation module 702 can comprise: the first setting unit 7020 and the second setting unit 7022, wherein
The first setting unit 7020 is for being correctly received when group Frame data burst, and in described data receiving status information, correspondence arranges the first preset value;
The second setting unit 7022 is not for being correctly received when group Frame data burst, and in described data receiving status information, correspondence arranges the second preset value.
Again further, chunk confirms that generation module 702 can be specifically for, and the piece that described data receiving status information is arranged on to piece confirmation territory is confirmed in message bit pattern.
The radio receiver 70 of the embodiment of the present invention can be for example panel computer, personal digital assistant, intelligent mobile terminal or other network equipment.
Will be understood that, the function of each functional module of the radio receiver 70 of the present embodiment can be according to the method specific implementation in said method embodiment, and the specifically corresponding associated description referring to figs. 1 to Fig. 5 embodiment of the method repeats no more herein.
The above-mentioned radio receiver 70 that has elaborated the embodiment of the present invention, below for the ease of implementing better the such scheme of the embodiment of the present invention, correspondingly, also provides a kind of wireless base station apparatus below;
The structural representation of wireless base station apparatus provided by the invention as shown in Figure 9, wireless base station apparatus 90 is data sending terminal corresponding to method item embodiment, wireless base station apparatus 90 can comprise: group Frame sending module 900, chunk are confirmed receiver module 902 and chunk confirmation parsing module 904, wherein
Group Frame sending module 900 is for sending continuously multi-group data frame to data receiver;
Chunk confirms that receiver module 902 is for receiving the chunk acknowledge message frame of described data receiver feedback, described chunk acknowledge message frame is the chunk acknowledge message frame that described data receiver generates according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Chunk confirms that parsing module 904, for resolving described chunk acknowledge message frame, obtains the receiving status information of described group of Frame.
Particularly, the structural representation of another embodiment of wireless base station apparatus provided by the invention as shown in Figure 10, wireless base station apparatus 90 comprises: group Frame sending module 900, chunk are confirmed outside receiver module 902 and chunk confirmation parsing module 904, can also comprise and resend module 906, for according to the receiving status information of described group of Frame, the group Frame not being correctly received is resend.
Wireless base station apparatus 90 in the embodiment of the present invention can be for example Network Management Equipment, router, transmission node, intelligent mobile terminal or other network equipment.
Will be understood that, the function of each functional module of the wireless base station apparatus 90 of the present embodiment can be according to the method specific implementation in said method embodiment, and the specifically corresponding associated description with reference to figure 6 embodiments of the method repeats no more herein.
For the ease of implementing better the such scheme of the embodiment of the present invention, the present invention also provides the related system of implementing such scheme for coordinating.Below in conjunction with the structural representation of the data transmission system provided by the invention shown in Figure 11, be elaborated:
Data transmission system 110 comprises data sending device 1100 and data sink 1102, wherein
Data sink 1102 can be the radio receiver 70 in above-mentioned Fig. 7 embodiment, repeats no more here;
Data sending device 1100 can be the wireless base station apparatus 90 in above-mentioned Fig. 9 or Figure 10 embodiment, repeats no more here.
In sum, by implementing the embodiment of the present invention, receiving continuously after multi-group data frame, generating chunk acknowledge message frame according to the accepting state of multi-group data frame, and send to data sending terminal; Reduce the BA interaction times of data receiver and data sending terminal, greatly reduce the quantity forwarded of BA message frame, solve in prior art along with the increase of BA message frame quantity causes fixed overhead large, the technical problem that rational spectrum utilization rate is low, effectively control the quantity forwarded of BA message frame, greatly reduce fixed overhead, improved the effective rate of utilization of frequency spectrum.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program to complete, described program can be stored in a computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosed is only a kind of preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, one of ordinary skill in the art will appreciate that all or part of flow process that realizes above-described embodiment, and the equivalent variations of doing according to the claims in the present invention, still belong to the scope that invention is contained.
Claims (15)
1. a wireless communications method, is characterized in that, comprising:
Receive continuously the multi-group data frame that data sending terminal sends;
Generate chunk acknowledge message frame according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Send described chunk acknowledge message frame to described data sending terminal.
2. the method for claim 1, is characterized in that, in one group of Frame of reception, comprises multiple data bursts.
3. the method for claim 1, is characterized in that, described group number information is arranged on piece and confirms in the reservation bit position of control domain.
4. method as claimed in claim 2, is characterized in that, described data receiving status information is specifically for indicating the receiving status information of multiple data bursts in the corresponding group Frame receiving of described group number information;
When data burst in group Frame is correctly received, in described data receiving status information, correspondence arranges the first preset value;
When data burst in group Frame is not correctly received, in described data receiving status information, correspondence arranges the second preset value.
5. method as claimed in claim 4, is characterized in that, described data receiving status information is arranged on the piece in piece confirmation territory and confirms in message bit pattern.
6. a wireless communications method, is characterized in that, comprising:
Send continuously multi-group data frame to data receiver;
Receive the chunk acknowledge message frame of described data receiver feedback, described chunk acknowledge message frame is the chunk acknowledge message frame that described data receiver generates according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Resolve described chunk acknowledge message frame, obtain the receiving status information of described group of Frame.
7. method as claimed in claim 6, it is characterized in that, also comprise: at the described chunk acknowledge message of described parsing frame, after obtaining the receiving status information of described group of Frame, according to the receiving status information of described group of Frame, the group Frame not being correctly received is resend.
8. a radio receiver, is characterized in that, comprising:
Group Frame receiver module, for receiving continuously the multi-group data frame that data sending terminal sends;
Chunk is confirmed generation module, for generate chunk acknowledge message frame according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Chunk is confirmed sending module, for send described chunk acknowledge message frame to described data sending terminal.
9. device as claimed in claim 8, is characterized in that, in one group of Frame of described group of Frame receiver module reception, comprises multiple data bursts.
10. device as claimed in claim 8, is characterized in that, described chunk confirm generation module specifically for, described group number information is arranged on to piece and confirms in the reservation bit position of control domain.
11. devices as claimed in claim 9, is characterized in that, described data receiving status information is specifically for indicating the receiving status information of multiple data bursts in the corresponding group Frame receiving of described group number information;
Described chunk confirms that generation module comprises:
The first setting unit, for being correctly received when group Frame data burst, in described data receiving status information, correspondence arranges the first preset value;
The second setting unit, for not being correctly received when group Frame data burst, in described data receiving status information, correspondence arranges the second preset value.
12. devices as claimed in claim 11, is characterized in that, described chunk confirm generation module specifically for, the piece that described data receiving status information is arranged on to piece confirmation territory is confirmed in message bit pattern.
13. 1 kinds of wireless base station apparatus, is characterized in that, comprising:
Group Frame sending module, for sending continuously multi-group data frame to data receiver;
Chunk is confirmed receiver module, for receiving the chunk acknowledge message frame of described data receiver feedback, described chunk acknowledge message frame is the chunk acknowledge message frame that described data receiver generates according to the accepting state of described multi-group data frame, described chunk acknowledge message frame comprises group number information and corresponding data receiving status information thereof, a corresponding one group of Frame receiving of group number information, described data receiving status information is used to indicate the receiving status information of the corresponding group Frame receiving of described group number information;
Chunk is confirmed parsing module, for resolving described chunk acknowledge message frame, obtains the receiving status information of described group of Frame.
14. devices as claimed in claim 13, is characterized in that, also comprise:
Resend module, for according to the receiving status information of described group of Frame, the group Frame not being correctly received is resend.
15. 1 kinds of data transmission systems, is characterized in that, comprise data sending device and data sink, wherein
Described data sink is the data sink as described in claim 8-12 any one;
Described data sending device is data sending device as claimed in claim 8 or 9.
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