CN110048818A - The TID of feedback information confirmation a kind of to(for) user and processing system and processing method - Google Patents
The TID of feedback information confirmation a kind of to(for) user and processing system and processing method Download PDFInfo
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- CN110048818A CN110048818A CN201910368122.9A CN201910368122A CN110048818A CN 110048818 A CN110048818 A CN 110048818A CN 201910368122 A CN201910368122 A CN 201910368122A CN 110048818 A CN110048818 A CN 110048818A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention belongs to information sifting technical fields, disclose the TID of feedback information confirmation and processing system and processing method a kind of to(for) user, utilize dynamic adaptive multiple TID confirmation methods, only multiple PDU reception states in splicing window are confirmed, the garbled-reception PDU after splicing window is no longer additionally indicated；When multiple TID simultaneous transmissions, the reception state of PDU in multiple reception window ranges of the recipient by multiple TID, which is stitched together, carries out joint feedback, several adaptively selected different feedback kinds are fed back, and the information of the feedback information and ARQ re-transmission to multiple TID is uniformly processed.The PDU reception state of more TID of present invention TID more for single user and multi-user are all spliced, and can effectively be confirmed to more TID, reduce feedback overhead as far as possible under the premise of guaranteeing that instruction information is correct, complete.
Description
Technical field
The invention belongs to information sifting processing technology field more particularly to a kind of TID of feedback information to(for) user are true
Recognize and processing system and processing method.
Background technique
Currently, the prior art commonly used in the trade is such that
Next-generation WiFi handling capacity is big, and for the reliability for guaranteeing data transmission, 802.11 agreements regulation often receives a list
Multicast data frame, it is necessary to respond ACK frame immediately.Receiving end needs to carry out each of these MPDU after receiving A-MPDU
Processing, and acknowledgement frame is sent for each MPDU.And Block Ack is completed by using an ACK frame to multiple MPDU
Response, to reduce the quantity of ACK frame in this case.It needs to modify by the normal transmission mode for confirming a frame one
To continuously transmit multiple frames and then once confirming the mode of multiple frames, the efficiency of transmission of Lai Tigao MAC layer.
The prior art
Multi-TID BA: for the frame acknowledgment of multiple TID, 8 byte of compression BA bitmap, each MSDU is used
1bit indicates that MSDU of n-th bit equal to 1, SSC+n is received correct in bitmap, otherwise mistake.
Multi-STA BA: setting group address for the RA field of more STA BA with the BA information for being directed to multiple AID,
It only need to indicate the STA subset for belonging to the group, further have compressed the space AID, confirmation and Multi-TID for multiple TID
BA is similar.
MU-BA: on the basis of being multiplexed Multi-TID, being extended to MU-BA, and three kinds of response modes are carried in MU-BA,
Respectively ACK, Compressed BA Uncompressed BA are still based on TID bitmap and indicate.
The deficiencies in the prior art: next-generation WiFi handling capacity is big, needs disposably to confirm many frames, it is desirable that confirmation efficiency
Height, and in existing technical solution, for the feedback problem of more TID, confirm that efficiency is lower, while existing scheme is all very much
The confirmation of multiple TID separately carries out, and is then repeated as many times respectively, to realize the confirmation of more TID, this mode needs to feed back more
It is secondary, and be all many times the information for only having a small amount of bit to carry feedback in a large amount of bit, caused by expense it is big, efficiency is not
Height is difficult to meet related needs.
In conclusion problem of the existing technology is:
(1) it is directed to the feedback problem of more TID in the prior art, confirmation efficiency is lower.Feedback overhead is big.
(2) it opens confirmation for the multiple TID of the prior art points, confirmation is repeated several times, expense is big, inefficient.
Solve the difficulty of above-mentioned technical problem:
The redesign of BA frame, the division of offset confirm that the adaptively selected realization of type solves above-mentioned technology and asks
The meaning of topic:
The confirmation of the more TID of single user and the more TID of multi-user can be effectively performed in this programme, greatly reduce opening for feedback
Pin, can satisfy the big demand of next-generation Wi-Fi handling capacity.
Summary of the invention
In view of the problems of the existing technology, the present invention provides TID of feedback information a kind of to(for) user confirmation and
Processing system and processing method.The present invention is using dynamic adaptive more TID confirmation methods, only to multiple in splicing window
PDU reception state is confirmed that (confirm the adaptively selected of type: the present invention has a kind of bitmap confirmation and 14 kinds of offset
Validation testing, therefrom selection confirmation efficiency is highest confirms type to indicate the reception state of each PDU in splicing window, to protect
The maximization of card confirmation efficiency, reduces the confirmation bandwidth cost of system.The size for the splicing window for needing to indicate can pass through Each
Receiving Window Info field is learnt, when being indicated using several RE, it is desirable that the indicating range of this several RE
Not less than the size of splicing window, while requiring using RE as few as possible.Per when mostly being indicated using a RE, need to sentence
It is disconnected whether to splice PDU all in window and all indicated, if so, not needing to add RE again, if it is not, then continuing to add
RE, until PDU all in splicing window is indicated.The PDU quantity of the last one RE instruction may be beyond splicing window
The size of mouth is invalid beyond being partially considered as.This ensures that the reception state of PDU all in splicing window is indicated.
For 15 kinds of validation testings proposed by the present invention, for confirming every time, it can successively attempt every kind of validation testing progress system and open
The expense of the comparison of pin, which kind of validation testing is minimum, then uses which kind of mode, is finally indicated using RE as few as possible entire
Splice the reception state of the PDU of window).
The invention is realized in this way TID of feedback information confirmation a kind of to(for) user and processing method, utilize dynamic
Adaptive multiple TID confirmation methods, only multiple PDU reception states in splicing window are confirmed, to splicing window
Garbled-reception PDU afterwards is no longer additionally indicated；
After default-error receives, when multiple TID simultaneous transmissions, in recipient by multiple reception window ranges of multiple TID
The reception state of interior PDU, which is stitched together, carries out joint feedback, several adaptively selected different feedback kinds are fed back,
And the information of the feedback information and ARQ re-transmission to multiple TID is uniformly processed.
Further, dynamic adaptive multiple TID confirmation methods include:
The size for the splicing window for needing to indicate is obtained by Each Receiving Window Info field, if using
When a dry RE is indicated, the indicating range of several RE is not less than the size for splicing window；It is every mostly to be referred to using a RE
When showing, needs to judge whether to splice PDU all in window and all indicated, if so, do not need to add RE again, if it is not,
Then continue to add RE, until PDU all in splicing window is indicated；
Size of the PDU quantity beyond splicing window of the last one RE instruction, is invalid beyond part；Make to splice in window
The reception state of all PDU is indicated.
Further, dynamic adaptive multiple TID confirmation methods further comprise the adaptive true of the more TID of multi-user
Recognize,
In BA feedback information field, the RE comprising multiple 16bit indicates the PDU of each TID of multi-user
Reception state；The feedback kind of each RE selection feedback acknowledgment efficiency highest feedback adaptive according to the distribution of reception state
Type indicates all states with least RE.
Further, the TID of feedback information confirmation to(for) user and processing method further comprise:
Step 1, the multiple multiple TID of reception window reception in receiving end；
Multiple TID reception state for receiving the PDU in window is stitched together, carries out unified feedback by step 2；
Step 3, in confirmation, adaptive selection confirms the highest confirmation format of efficiency from a variety of confirmation formats, into
The efficient joint feedback of multiple TID is realized in row confirmation.
Further, the TID of feedback information confirmation to(for) user and processing method further comprise:
The first step, AP receive the MAC PDU of multiple TID of multiple STA；
The reception state of PDU in the reception window of multiple TID of multiple STA is stitched together by second step, carries out unification
Feedback；
Third step, in confirmation, the highest confirmation format of selection confirmation efficiency adaptive from a variety of confirmation formats is carried out
The efficient joint feedback of multiple TID of multiple STA is realized in confirmation.
Further, in step 3, the reception window of each TID is up to K, and sender sends multiple TID simultaneously, connecing
Receiving end for the multiple TID received while confirming；
I-th of TID effective receiving window mouth length is Ni, N1+N2+ ...+Nt=M, carries out t TID each time and amounts to M
The reception state of PDU is fed back, and sender receives condition feedback based on the received and retransmits；
The number of TID is t, and the totalframes that i-th of TID is sent is Mi, wherein i=1,2 ..., t；By institute's feedback in need
TID number each PDU reception state from SSNi+1 to SSNi+Ni-1 and be stitched together, confirmed.
Another object of the present invention is to provide a kind of terminal, the terminal, which is carried, realizes the TID's for user
The processor of feedback information confirmation and processing method.
Another object of the present invention is to provide a kind of computer readable storage mediums, including instruction, when it is in computer
When upper operation, so that computer executes the TID of feedback information confirmation and processing method to(for) user.
Another object of the present invention is to provide a kind of confirmations of TID of feedback information to(for) user and processing system to use
15 kinds of mode indicating modes, all valid windows are spliced, using dynamic adaptive confirmation method, every time from 15
Selection confirmation highest one kind of efficiency in kind validation testing, until splicing window is finished by whole instructions；
The feedback information of the TID for user confirms and processing system includes:
Multiple PDU reception state confirmation modules, for utilizing dynamic adaptive more TID confirmation methods, only to splicing
Multiple PDU reception states in window are confirmed, are no longer additionally indicated the PDU that is not properly received after splicing window；
Information unification processing module, after not being properly received for default, feedback information and ARQ for more TID are retransmitted
Information unification processing.
Another object of the present invention is to provide the feedback information of the TID of user is confirmed and is handled described in a kind of implementation
The feedback information of the TID for single user of method confirms and processing system, the TID of feedback information to(for) single user are true
Recognize and processing system includes:
Receiving end is used for the multiple TID of multiple reception window receptions；
The reception state splicing module of single user PDU, the reception state for multiple TID to be received to the PDU in window are spelled
It is connected together, carries out unified feedback；
Single user multiple format confirmation module, in confirmation, adaptive selection to confirm from a variety of confirmation formats
The highest confirmation format of efficiency, is confirmed, realizes the efficient joint feedback of multiple TID.
Another object of the present invention is to provide the feedback information of the TID of user is confirmed and is handled described in a kind of implementation
The feedback information of the TID for multi-user of method confirms and processing system, the TID of feedback information to(for) multi-user are true
Recognize and processing system includes:
AP, the MAC PDU of multiple TID for receiving multiple STA；
The reception state splicing module of multi-user PDU connects for PDU in the reception window by multiple TID of multiple STA
Receipts state is stitched together, and carries out unified feedback；
Multi-user's multiple format confirmation module confirms effect for the selection adaptive from a variety of confirmation formats in confirmation
The highest confirmation format of rate is confirmed, realizes the joint feedback of multiple TID of multiple STA.
In conclusion advantages of the present invention and good effect are as follows:
The PDU reception state of more TID of present invention TID more for single user and multi-user are all spliced, can be right
More TID can effectively confirm, reduce feedback overhead as far as possible under the premise of guaranteeing that instruction information is correct, complete, can satisfy
The big demand of next-generation Wi-Fi handling capacity.
The present invention proposes a kind of new adaptive acknowledging mode, it is ensured that the selection confirmation highest confirmation type of efficiency is most
It is likely to reduced the confirmation expense of system, realizes the efficient joint feedback of multiple TID, while can be applied to more scenes, is realized
The flexible confirmation of more TID；Confirmation of the present invention for more TID status informations, compatibility bitmap instruction related to offset progress,
More high efficient and flexible.
Detailed description of the invention
Fig. 1 is feedback information confirmation and the processing method flow chart of single user TID provided in an embodiment of the present invention.
Fig. 2 is feedback information confirmation and the processing method flow chart of multi-user TID provided in an embodiment of the present invention.
Fig. 3 is multiple TID reception condition schematic diagrams provided in an embodiment of the present invention.
Fig. 4 is multiple TID unified feedback schematic diagrams provided in an embodiment of the present invention.
Fig. 5 is efficient BA frame format structural schematic diagram provided in an embodiment of the present invention.
Fig. 6 is the reception condition schematic diagram of PDU in splicing window provided in an embodiment of the present invention.
Fig. 7 is confirmation form schematic diagram provided in an embodiment of the present invention.
Fig. 8 is BA Feedback field type figure provided in an embodiment of the present invention.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
It is directed to the feedback problem of more TID in the prior art, confirmation efficiency is lower.The multiple TID of the prior art points are opened confirmation, more
Secondary duplicate acknowledgment, expense is big, inefficient.
To solve the above problems, being described in detail with reference to the accompanying drawing to application principle of the invention.
The feedback information confirmation for the TID for user that example of the embodiment of the present invention provides and processing method,
Using dynamic adaptive multiple TID confirmation methods, only multiple PDU reception states in splicing window are carried out
Confirmation no longer additionally indicates the garbled-reception PDU after splicing window；
After default-error receives, when multiple TID simultaneous transmissions, in recipient by multiple reception window ranges of multiple TID
The reception state of interior PDU, which is stitched together, carries out joint feedback, several adaptively selected different feedback kinds are fed back,
And the information of the feedback information and ARQ re-transmission to multiple TID is uniformly processed.
Further, dynamic adaptive multiple TID confirmation methods include:
The size for the splicing window for needing to indicate is obtained by Each Receiving Window Info field, if using
When a dry RE is indicated, the indicating range of several RE is not less than the size for splicing window；It is every mostly to be referred to using a RE
When showing, needs to judge whether to splice PDU all in window and all indicated, if so, do not need to add RE again, if it is not,
Then continue to add RE, until PDU all in splicing window is indicated；
Size of the PDU quantity beyond splicing window of the last one RE instruction, is invalid beyond part；Make to splice in window
The reception state of all PDU is indicated.
Dynamic adaptive multiple TID confirmation methods further comprise the adaptive acknowledging of the more TID of multi-user,
In BA feedback information field, the RE comprising multiple 16bit indicates the PDU of each TID of multi-user
Reception state；The feedback kind of each RE selection feedback acknowledgment efficiency highest feedback adaptive according to the distribution of reception state
Type indicates all states with least RE.
As shown in Figure 1, the TID provided in an embodiment of the present invention of feedback information confirmation and processing method tool to(for) single user
Body includes:
S101, the multiple multiple TID of reception window reception in receiving end.
Multiple TID reception state for receiving the PDU in window is stitched together, carries out unified feedback by S102.
S103, in confirmation, the highest confirmation format of selection confirmation efficiency adaptive from a variety of confirmation formats is carried out true
Recognize, realizes the efficient joint feedback of multiple TID.
As shown in Fig. 2, the TID provided in an embodiment of the present invention of feedback information confirmation and processing method tool to(for) multi-user
Body includes:
S201, AP receive the MAC PDU of multiple TID of multiple STA；
The reception state of PDU in the reception window of multiple TID of multiple STA is stitched together by S202, carries out unified anti-
Feedback；
S203, in confirmation, the highest confirmation format of selection confirmation efficiency adaptive from a variety of confirmation formats is carried out true
Recognize, realizes the efficient joint feedback of multiple TID of multiple STA.
The unified feedback of TID provided in an embodiment of the present invention specifically includes:
Confirmed using more TID of dynamic self-adapting, only the reception state of a PDU in splicing window is confirmed, it is right
A succession of each PDU not being properly received after effective receiving window mouth no longer additionally indicates that default is not properly received, and not
It is confined to primary only receive and confirms a certain kind TID, but carry out the reception confirmation of multiple TID simultaneously, and for more TID's
The information that feedback information and ARQ are retransmitted is also to be uniformly processed.
Application principle of the invention is described further combined with specific embodiments below.
Embodiment 1: the adaptive acknowledging of the more TID of single user
The reception window of each TID is up to K, and sender sends multiple TID simultaneously, in receiving end, for receiving
Multiple TID simultaneously confirmed, as shown in Figure 3.
I-th of TID effective receiving window mouth length is that Ni (waits received next frame to be properly received frame to last one
Totalframes), N1+N2+ ...+Nt=M, the reception state for carrying out the total M PDU of t TID each time is fed back, and root is sent
It is retransmitted according to received reception condition feedback.
As shown in figure 4, the number of TID is t, the totalframes that a TID of i-th (i=1,2 ..., t) is sent is Mi, is such as schemed green
Shown in frame；Its effective receiving window mouth size is Ni, as shown in figure blue box, it is only necessary to be indicated.In order to efficiently refer to
Show its reception state, here by the TID of feedback in need number each PDU reception state from SSNi to SSNi+Ni-1 and splice
Together, confirmed together.The reception state of PDU comprising spliced difference TID is referred to as to splice window, i.e. in Fig. 4
The blue box of lower section.
Efficient BA frame format is as shown in Figure 5.
Four fields are consistent with the definition in 802.11ax before 1, efficient BA.
B0 to B11 is consistent with the definition in 802.11ax in 2, BA Control, and B12 to B15 of the invention carries this BA
The applicable TID number of frame, the reception state of TID is indicated using bitmap or offset, and reserved 1110 are used in BA Type
It is expressed as the of the invention efficient Multi-TID BA frame for being used to refer to more TID feedbacks, 1111 indicate of the invention efficient
Multi-STA BA frame.
3, Each Receiving Window Info: the PDU being used to refer in different TID value and effective receiving window mouth
Number and quantity, Fig. 6 are the frame format of the Each Receiving Window Info of Multi-TID BA:
For Each Receiving Window Info, for Multi-TID BA, since TID number is up to
16, it is indicated here using the bitmap of 16bit, corresponding 16 from small to large of the 16bit of TID Bitmap from left to right
On the contrary TID value, if a certain TID has a feedback, corresponding bit is 1, then be 0.For example the field is 1111000000000000
When, indicate there was only 4 TID, and the value of 4 TID respectively is 0000,0001,0010,0011.
Indicate that the SSNi long 16bit of each PDU, Ni followed by are also 16bit, Each Receiving
Depending on Window Info is with specific reference to the number for receiving the TID that window receives, the quantity of TID is in BA Control
It is indicated in TID/Num TIDs.The sequence number field of data frame is 12 in existing standard, and SSNi and Ni are defined as 16 can be simultaneous
Hold existing sequence number field length, while it is 16 maximum to support that serial number extends to.
The present invention is directed to the case where multiple TID simultaneous transmissions, in multiple reception window ranges of the recipient by multiple TID
The reception state of PDU be stitched together and carry out joint feedback, several adaptively selected different feedback kinds fed back with
Improve confirmation efficiency.
4, BA Feedback Information: length is variable, the feedback unit comprising several 16 bit lengths
(RE).Each RE includes feedback kind, bitmap/offset.
1) feedback kind: the feedback kind that instruction current feedback unit uses.It specifically includes that
Bitmap: frame error is evenly distributed, and 0 indicates mistake, and 1 indicates correct
Negative offset: frame error, which is distributed, sporadicly indicates that the frame between 2 offset receives correct, the corresponding frame of offset
Mistake is received, and 7 kinds of negative offsets are divided into according to fragmentary situation.
Certainly deviate: frame error distribution is concentrated, and indicates that the frame between 2 offset receives mistake, the corresponding frame of offset
It receives correctly, and is deviated certainly according to being divided into 7 kinds the case where concentration.
2) bitmap/offset: the reception condition of PDU in instruction splicing window
As shown in fig. 7, in BA feedback information field, the RE comprising multiple 16bit is used to refer to more
The PDU reception state of a TID, the feedback kind of each RE selection feedback acknowledgment efficiency adaptive according to the distribution of reception state
Highest feedback kind indicates whole states with RE as few as possible.
BA Feedback field, single RE, as shown in figure 8, preceding 4bit is for distinguishing bitmap and 14 kinds of offsets totally 15
The different confirmation type of kind.
1. when Offset ≠ 0, indicating the opposite offset of two absolute drift points；
2. being particular meaning when Offest=0
Negative is deviated: indicating that continuous 2^k-1 radio frames receive correct since a upper unacknowledged frame
For deviating certainly: indicating that continuous 2^k-1 radio frames receive mistake since a upper unacknowledged frame
1) offset 1 certainly:
When 4 Offset are 0, the continuous 7+7+7 that the PDU of first unused RE instruction in splicing window starts is indicated
+ 7 PDU all garbled-receptions
When 4 Offset are respectively 4,4,4,4, indicate what the PDU of first unused RE instruction in splicing window started
4th, 8,12,16 PDU is properly received, the 1 to 3rd, 5 to 7,9 to 11,13 to 15 PDU garbled-reception；
2) negative offset 1:
When 4 Offset are 0, the continuous 7+7+7 that the PDU of first unused RE instruction in splicing window starts is indicated
+ 7 PDU are properly received
When 4 Offset are respectively 4,4,4,4, indicate what the PDU of first unused RE instruction in splicing window started
4th, 8,12,16 PDU garbled-reception, the 1 to 3rd, 5 to 7,9 to 11,13 to 15 PDU are properly received；
3) offset 2 certainly:
When 3 Offset are 0, the continuous 15+15 that the PDU of first unused RE instruction in splicing window starts is indicated
+ 15 PDU all garbled-receptions
When 3 Offset are respectively 10,10,10, indicate that the PDU of first unused RE instruction in splicing window starts the
10,20,30 PDU are properly received, the 1 to 9th, 11 to 19,21 to 29 PDU garbled-reception；
4) negative offset 2:
When 3 Offset are 0, the continuous 15+15 that the PDU of first unused RE instruction in splicing window starts is indicated
+ 15 PDU are properly received
When 3 Offset are respectively 10,10,10, indicate what the PDU of first unused RE instruction in splicing window started
10th, 20,30 PDU garbled-reception, the 1 to 9th, 11 to 19,21 to 29 PDU are properly received；
5) offset 3 certainly:
When 3 Offset are 0, the continuous 31+15 that the PDU of first unused RE instruction in splicing window starts is indicated
+ 7 PDU all garbled-receptions
When 3 Offset are respectively 20,10,5, indicate what the PDU of first unused RE instruction in splicing window started
20th, 30,35 PDU is properly received, the 1 to 19th, 21 to 29,31 to 34 PDU garbled-reception；
6) negative offset 3；
When 3 Offset are 0, the continuous 31+15 that the PDU of first unused RE instruction in splicing window starts is indicated
+ 7 PDU are properly received
When 3 Offset are respectively 20,10,5, indicate what the PDU of first unused RE instruction in splicing window started
20th, 30,35 PDU garbled-reception, the 1 to 19th, 21 to 29,31 to 34 PDU are properly received；
7) offset 4 certainly:
When 3 Offset are 0, the continuous 7+15+ that the PDU of first unused RE instruction in splicing window starts is indicated
31 PDU all garbled-receptions
When 3 Offset are respectively 5,10,20, indicate what the PDU of first unused RE instruction in splicing window started
5th, 15,35 PDU is properly received, the 1 to 4th, 6 to 14,16 to 34 PDU garbled-reception；
8) negative offset 4:
When 3 Offset are 0, the continuous 7+15+ that the PDU of first unused RE instruction in splicing window starts is indicated
31 PDU are properly received
When 3 Offset are respectively 5,10,20, indicate what the PDU of first unused RE instruction in splicing window started
5th, 15,35 PDU garbled-reception, the 1 to 4th, 6 to 14,16 to 34 PDU are properly received；
9) offset 5 certainly:
When 2 Offset are 0, the continuous 63+63 that the PDU of first unused RE instruction in splicing window starts is indicated
A PDU all garbled-receptions
When 2 Offset are respectively 40,30, indicate that the PDU of first unused RE instruction in splicing window starts the
40,70 PDU are properly received, the 1 to 39th, 41 to 69 PDU garbled-reception；
10) negative offset 5:
When 2 Offset are 0, the continuous 63+63 that the PDU of first unused RE instruction in splicing window starts is indicated
A PDU is properly received
When 2 Offset are respectively 40,30, indicate that the PDU of first unused RE instruction in splicing window starts the
40,70 PDU garbled-receptions, the 1 to 39th, 41 to 69 PDU are properly received；
11) offset 6 certainly:
When 2 Offset are 0, the continuous 127+ that the PDU of first unused RE instruction in splicing window starts is indicated
31 PDU all garbled-receptions
When 2 Offset are respectively 60,20, indicate that the PDU of first unused RE instruction in splicing window starts the
60,80 PDU are properly received, the 1 to 59th, 61 to 79 PDU garbled-reception；
12) negative offset 6；
When 2 Offset are 0, the continuous 127+ that the PDU of first unused RE instruction in splicing window starts is indicated
31 PDU are properly received
When 2 Offset are respectively 60,20, indicate that the PDU of first unused RE instruction in splicing window starts the
60,80 PDU garbled-receptions, the 1 to 59th, 61 to 79 PDU are properly received；
13) offset 7 certainly:
When 1 Offset is 0, the PDU of first unused RE instruction in splicing window starts continuous 4095 are indicated
A PDU all garbled-receptions
When 1 Offset is respectively 2000, indicate that the PDU of first unused RE instruction in splicing window starts the
2000 PDU are properly received, the 1 to 1999th PDU garbled-reception；
14) negative offset 7；
When 1 Offset is 0, the PDU of first unused RE instruction in splicing window starts continuous 4095 are indicated
A PDU is properly received
When 1 Offset is respectively 2000, indicate that the PDU of first unused RE instruction in splicing window starts the
2000 PDU garbled-receptions, the 1 to 1999th PDU are properly received；
Confirm the adaptively selected of type: the present invention has a kind of bitmap confirmation and 14 kinds of offset validation testings, therefrom
Selection confirmation efficiency is highest to confirm type to indicate the reception state of each PDU in splicing window, to guarantee to confirm efficiency
It maximizes, reduces the confirmation bandwidth cost of system.
The size for the splicing window for needing to indicate can be learnt by Each Receiving Window Info field, be used
When several RE are indicated, it is desirable that the indicating range of this several RE is not less than the size of splicing window, while requiring to use
RE as few as possible.All referred to per when mostly being indicated, needing to judge whether to splice PDU all in window using a RE
Show, if so, not needing to add RE again, if it is not, then continuing to add RE, until PDU all in splicing window is referred to
Show.The PDU quantity of the last one RE instruction may be invalid beyond being partially considered as beyond the size of splicing window.Thus can
Guarantee that the reception state of PDU all in splicing window is indicated.
For 15 kinds of validation testings proposed by the present invention, for confirming every time, can successively attempt every kind of validation testing into
The expense of the comparison of row overhead, which kind of validation testing is minimum, then uses which kind of mode, is finally come using RE as few as possible
Indicate the reception state of the PDU of entire splicing window.
Embodiment 2: the adaptive acknowledging of the more TID of multi-user
The confirmation principle and frame format of the more TID and more TID of single user of multi-user of the present invention is substantially the same, the two frame format
The difference is that Each Receiving Window Info and BA Feedback Information field.Multi-
The Each Receiving Window Info of STA BA be used to refer to each STA information received, more TID values of more STA with
And PDU number and quantity, lower Fig. 7 are the frame format of the Each Receiving Window Info of Multi-STA BA.
For Each Receiving Window Info, for Multi-STA BA, AID TIDi Info includes
Be the value of the TID, while more STA are supported, so also with the information of AID.AID Info field, is used to refer to a certain
The information of STA, subsequent TID Bitmap are then used to refer to each TID information of STA transmission, define identical with single user；
Ni is also consistent with single user definition, not only splices the PDU reception state of more TID of single user, has also carried out multi-user
The PDU reception state of more TID is spliced.
In BA feedback information field, the RE comprising multiple 16bit is used to refer to each TID of multi-user
PDU reception state.The feedback kind of each RE selection feedback acknowledgment efficiency highest adaptive according to the distribution of reception state
Feedback kind, all states are indicated with least RE.
Present invention uses dynamic adaptive more TID confirmations, only to the reception state of multiple PDU in splicing window
Confirmed, default-error, which connects, no longer additionally to be indicated for each PDU of a succession of garbled-reception after effective receiving window mouth
It receives, and is not limited to primary only receive and confirms a certain kind TID, but carry out the reception confirmation of multiple TID simultaneously, and for
The information that the feedback information and ARQ of more TID retransmits is also to be uniformly processed.
Meanwhile confirmation of the present invention for more TID status informations, compatibility bitmap instruction related to offset progress, more
Add high efficient and flexible.
Moreover, the present invention is also a kind of adaptive selection confirmation for various confirmation types, it is ensured that selection confirmation
The highest confirmation type of efficiency reduces the confirmation expense of system as far as possible.
The PDU reception state of more TID of present invention TID more for single user and multi-user are all spliced, and are being guaranteed
Instruction information is correct, it is complete under the premise of reduce feedback overhead as far as possible, can satisfy the big need of next-generation Wi-Fi handling capacity
It asks.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. TID of feedback information a kind of to(for) user confirms and processing method, which is characterized in that the TID for user
Feedback information confirmation and processing method include: using dynamic adaptive multiple TID confirmation methods, only in splicing window
Multiple PDU reception states confirmed, to splicing window after garbled-reception PDU no longer additionally indicate；
After default-error receives, when multiple TID simultaneous transmissions, in multiple reception window ranges of the recipient by multiple TID
The reception state of PDU, which is stitched together, carries out joint feedback, several adaptively selected different feedback kinds are fed back, and right
The information that the feedback information and ARQ of multiple TID retransmits is uniformly processed.
2. as described in claim 1 for the feedback information confirmation of the TID of user and processing method, which is characterized in that dynamic
Adaptive multiple TID confirmation methods include:
The size that the splicing window for needing to indicate is obtained by Each Receiving Window Info field, using several
When RE is indicated, the indicating range of several RE is not less than the size for splicing window；When often mostly being indicated using a RE,
It needs to judge whether to splice PDU all in window all to be indicated, if so, not needing to add RE again, if it is not, then continuing
RE is added, until PDU all in splicing window is indicated；
Size of the PDU quantity beyond splicing window of the last one RE instruction, is invalid beyond part；Make to splice in window and own
The reception state of PDU indicated.
3. as described in claim 1 for the feedback information confirmation of the TID of user and processing method, which is characterized in that dynamic
Adaptive multiple TID confirmation methods further comprise the more TID of multi-user adaptive acknowledging,
It is received in the PDU of BA feedback information field, the RE comprising multiple 16bit, instruction each TID of multi-user
State；The feedback kind of each RE selection feedback acknowledgment efficiency highest feedback sort adaptive according to the distribution of reception state
Type indicates all states with least RE.
4. as described in claim 1 for the feedback information confirmation of the TID of user and processing method, which is characterized in that described
Feedback information confirmation and processing method for the TID of user further comprise:
Step 1, the multiple multiple TID of reception window reception in receiving end；
Multiple TID reception state for receiving the PDU in window is stitched together, carries out unified feedback by step 2；
Step 3, in confirmation, adaptive selection confirms the highest confirmation format of efficiency from a variety of confirmation formats, carries out true
Recognize, realizes the efficient joint feedback of multiple TID.
5. as described in claim 1 for the feedback information confirmation of the TID of user and processing method, which is characterized in that described
Feedback information confirmation and processing method for the TID of user further comprise:
The first step, AP receive the MAC PDU of multiple TID of multiple STA；
The reception state of PDU in the reception window of multiple TID of multiple STA is stitched together by second step, carries out unified anti-
Feedback；
Third step, in confirmation, the highest confirmation format of selection confirmation efficiency adaptive from a variety of confirmation formats is carried out true
Recognize, realizes the efficient joint feedback of multiple TID of multiple STA.
6. as claimed in claim 4 for the feedback information confirmation of the TID of user and processing method, which is characterized in that step
In three, the reception window of each TID is up to K, and sender sends multiple TID simultaneously, more for what is received in receiving end
A TID is confirmed simultaneously；
I-th of TID effective receiving window mouth length is Ni, N1+N2+ ...+Nt=M, carries out the total M PDU's of t TID each time
Reception state is fed back, and sender receives condition feedback based on the received and retransmits；
The number of TID is t, and the totalframes that i-th of TID is sent is Mi, wherein i=1,2 ..., t；By feedback in need TID
It numbers each PDU reception state from SSNi+1 to SSNi+Ni-1 to be stitched together, be confirmed.
7. a kind of terminal, which is characterized in that the terminal, which is carried, to be realized described in Claims 1 to 5 any one for user's
The feedback information of TID confirms and the processor of processing method.
8. it is a kind of implement claim 1 described in for user TID feedback information confirmation and processing method for user's
The feedback information of TID confirms and processing system, which is characterized in that the TID of feedback information to(for) user confirms and processing
System includes:
Multiple PDU reception state confirmation modules, for utilizing dynamic adaptive more TID confirmation methods, only to splicing window
Interior multiple PDU reception states are confirmed, are no longer additionally indicated the garbled-reception PDU after splicing window；
Information unification processing module, after being received for default-error, the information of feedback information and ARQ re-transmission for more TID
It is uniformly processed.
9. it is a kind of implement claim 1 described in for user TID feedback information confirmation and processing method for single user
TID feedback information confirmation and processing system, which is characterized in that the TID of feedback information to(for) single user confirm and
Processing system includes:
Receiving end is used for the multiple TID of multiple reception window receptions；
The reception state splicing module of single user PDU, the reception state splicing for multiple TID to be received to the PDU in window exist
Together, unified feedback is carried out；
Single user multiple format confirmation module, in confirmation, adaptive selection to confirm efficiency from a variety of confirmation formats
Highest confirmation format, is confirmed, realizes the efficient joint feedback of multiple TID.
10. it is a kind of implement claim 1 described in for user TID feedback information confirmation and processing method for multi-user
TID feedback information confirmation and processing system, which is characterized in that the TID of feedback information to(for) multi-user confirm and
Processing system includes:
AP, the MAC PDU of multiple TID for receiving multiple STA；
The reception state splicing module of multi-user PDU, the reception shape for PDU in the reception window by multiple TID of multiple STA
State is stitched together, and carries out unified feedback；
Multi-user's multiple format confirmation module, most for the selection confirmation efficiency adaptive from a variety of confirmation formats in confirmation
High confirmation format is confirmed, realizes the joint feedback of multiple TID of multiple STA.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1674490A (en) * | 2004-02-27 | 2005-09-28 | 三菱电机株式会社 | Method and device for a dynamic ARQ window management |
| CN101119302A (en) * | 2007-09-06 | 2008-02-06 | 华中科技大学 | Method for digging frequency mode in the lately time window of affair data flow |
| CN101179564A (en) * | 2007-08-10 | 2008-05-14 | 华中科技大学 | Link layer automatic request retransmission based TCP packet header compression method and system thereof |
| CN102017504A (en) * | 2008-04-28 | 2011-04-13 | 爱立信电话股份有限公司 | Method and arrangement in a telecommunication system with signalling of assigned data packets in a bundling window |
| CN102084618A (en) * | 2008-06-23 | 2011-06-01 | 诺基亚西门子通信公司 | Method and apparatus for providing acknowledgment bundling |
| US20110216648A1 (en) * | 2010-03-05 | 2011-09-08 | Microsoft Corporation | Congestion control for delay sensitive applications |
| CN102421131A (en) * | 2011-07-26 | 2012-04-18 | 展讯通信（上海）有限公司 | Mobile terminal, method and device for detecting FCCH (Frequency Correction Channel) frame |
| CN102904698A (en) * | 2011-05-31 | 2013-01-30 | 北京三星通信技术研究有限公司 | Method for sending hybrid automatic repeat request-acknowledgement character (HARQ-ACK) feedback information |
| US20130242817A1 (en) * | 2012-03-16 | 2013-09-19 | Hong He | Uplink control channel resource mapping for an enhanced pdcch in lte systems |
| CN103929225A (en) * | 2013-01-11 | 2014-07-16 | 株式会社日立制作所 | Feedback control apparatus, feedback apparatus and multi-user MIMO (multiple input multiple output) feedback method |
| CN105743619A (en) * | 2014-12-26 | 2016-07-06 | 北京三星通信技术研究有限公司 | Hybrid automatic repeat request (HARQ) transmission method and apparatus |
| CN107508655A (en) * | 2017-07-19 | 2017-12-22 | 西南交通大学 | A kind of adaptive end to end network coding and transmission method |
-
2019
- 2019-05-05 CN CN201910368122.9A patent/CN110048818B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1674490A (en) * | 2004-02-27 | 2005-09-28 | 三菱电机株式会社 | Method and device for a dynamic ARQ window management |
| CN101179564A (en) * | 2007-08-10 | 2008-05-14 | 华中科技大学 | Link layer automatic request retransmission based TCP packet header compression method and system thereof |
| CN101119302A (en) * | 2007-09-06 | 2008-02-06 | 华中科技大学 | Method for digging frequency mode in the lately time window of affair data flow |
| CN102017504A (en) * | 2008-04-28 | 2011-04-13 | 爱立信电话股份有限公司 | Method and arrangement in a telecommunication system with signalling of assigned data packets in a bundling window |
| CN102084618A (en) * | 2008-06-23 | 2011-06-01 | 诺基亚西门子通信公司 | Method and apparatus for providing acknowledgment bundling |
| US20110216648A1 (en) * | 2010-03-05 | 2011-09-08 | Microsoft Corporation | Congestion control for delay sensitive applications |
| CN102904698A (en) * | 2011-05-31 | 2013-01-30 | 北京三星通信技术研究有限公司 | Method for sending hybrid automatic repeat request-acknowledgement character (HARQ-ACK) feedback information |
| CN102421131A (en) * | 2011-07-26 | 2012-04-18 | 展讯通信（上海）有限公司 | Mobile terminal, method and device for detecting FCCH (Frequency Correction Channel) frame |
| US20130242817A1 (en) * | 2012-03-16 | 2013-09-19 | Hong He | Uplink control channel resource mapping for an enhanced pdcch in lte systems |
| CN103929225A (en) * | 2013-01-11 | 2014-07-16 | 株式会社日立制作所 | Feedback control apparatus, feedback apparatus and multi-user MIMO (multiple input multiple output) feedback method |
| CN105743619A (en) * | 2014-12-26 | 2016-07-06 | 北京三星通信技术研究有限公司 | Hybrid automatic repeat request (HARQ) transmission method and apparatus |
| CN107508655A (en) * | 2017-07-19 | 2017-12-22 | 西南交通大学 | A kind of adaptive end to end network coding and transmission method |
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|---|---|
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