CN107465490A - A kind of Downlink Control Information DCI0 processing method and system - Google Patents

A kind of Downlink Control Information DCI0 processing method and system Download PDF

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Publication number
CN107465490A
CN107465490A CN201610394826.XA CN201610394826A CN107465490A CN 107465490 A CN107465490 A CN 107465490A CN 201610394826 A CN201610394826 A CN 201610394826A CN 107465490 A CN107465490 A CN 107465490A
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China
Prior art keywords
dci0
upstream data
mark
determined
setting identification
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CN201610394826.XA
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Inventor
周中志
高凯
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Datang Mobile Communications Equipment Co Ltd
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Datang Mobile Communications Equipment Co Ltd
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Priority to CN201610394826.XA priority Critical patent/CN107465490A/en
Priority to PCT/CN2017/083528 priority patent/WO2017211155A1/en
Publication of CN107465490A publication Critical patent/CN107465490A/en
Pending legal-status Critical Current

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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
    • 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]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/12—Wireless traffic scheduling

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention provides a kind of Downlink Control Information DCI0 processing method and system, wherein, methods described includes：Judge whether upstream data decodes correctly；If it is determined that the upstream data decoding error, then obtain the first flag information identified carried in the upstream data；Judge whether the ident value indicated by the flag information meets setting identification value；If it is determined that the ident value indicated by the flag information meets the setting identification value, then adaptive retransmission is carried out, retransmit DCI0；Wherein, the setting identification value is for the reason for indicating the upstream data decoding error：Terminal is not detected by DCI0.Solve the problems, such as that existing non-self-adapting strategy had not only wasted the dispatchers of other users and but also can waste the transfer resource eated dishes without rice or wine by the present invention, and the problem of up residual.

Description

A kind of Downlink Control Information DCI0 processing method and system
Technical field
The present invention relates to communication technical field, a kind of processing method more particularly to Downlink Control Information DCI0 and it is System.
Background technology
In LTE (Long Term Evolution, Long Term Evolution) system, ascending HARQ (Hybrid Automatic Repeat Request, hybrid automatic repeat-request) give tacit consent to and take synchronous non-self-adapting strategy：The upstream data of physical layer reports After MAC (Media Access Control, medium education) layer, MAC layer judges according to the decoding result of physical layer Whether HARQ re-transmissions are carried out, if decoding is correct, next TTI (Transmission Time Interval, between transmission time Every) new biography scheduling is carried out, if decoding error, next TTI carries out non-self-adapting re-transmission, if decoding after non-self-adapting retransmits Correct then next TTI carries out new biography, if decoding or mistake after non-self-adapting retransmits, then changes RV (Redundancy Version, redundancy) non-self-adapting retransmits next time for version progress, if can not receive correct data always, reach setting most After big number of retransmissions, non-self-adapting re-transmission will be no longer carried out.
Wherein, non-self-adapting retransmits the transformat used, modulation system, transmits size, frequency domain position is all by just passing DCI0 (Downlink Control Information, DCI, Downlink Control Information) is determined.In existing non-self-adapting plan In slightly, in the event of DCI0 missing inspections, terminal can not then get the parameters such as time domain and the frequency domain defined in just biography DCI0, enter Capable non-self-adapting retransmits then impossible transmission success, after only reaching maximum retransmission, re-starts new biography, just having can Can transmission success.
It can be seen that the dispatcher that existing non-self-adapting strategy had not only wasted other users but also can waste the transmission money eated dishes without rice or wine Source；Moreover, the failure that non-self-adapting retransmits can cause substantial amounts of up BLER (Block Error Rate, Block Error Rate) residual.
The content of the invention
The present invention provides a kind of Downlink Control Information DCI0 processing method and system, to solve existing non-self-adapting plan The problem of dispatchers of other users but also can waste the transfer resource eated dishes without rice or wine slightly not only had been wasted, and the problem of up residual.
In order to solve the above problems, the invention discloses a kind of Downlink Control Information DCI0 processing method, including：
Judge whether upstream data decodes correctly；
If it is determined that the upstream data decoding error, then obtain the first flag identified carried in the upstream data Information；
Judge whether the ident value indicated by the flag information meets setting identification value；
If it is determined that the ident value indicated by the flag information meets the setting identification value, then adaptively weighed Pass, retransmit DCI0；Wherein, the setting identification value is for the reason for indicating the upstream data decoding error：Terminal is not examined Measure DCI0.
The invention also discloses a kind of Downlink Control Information DCI0 processing system, including：
First judge module, for judging whether upstream data decodes correctly；
First acquisition module, for it is determined that during the upstream data decoding error, obtaining and being carried in the upstream data First mark flag information；
Second judge module, for judging whether the ident value indicated by the flag information meets setting identification value；
Retransmission module, for when it is determined that the ident value indicated by the flag information meets the setting identification value, Adaptive retransmission is carried out, retransmits DCI0；Wherein, the reason for setting identification value is used to indicate the upstream data decoding error For：Terminal is not detected by DCI0.
Compared with prior art, the present invention includes advantages below：
The invention discloses a kind of Downlink Control Information DCI0 processing scheme, it is determined that the upstream data decoding error When, retransmission scheme can be determined by the flag information of the first mark carried in upstream data, specifically, can be true When the flag of fixed first mark meets the setting identification value, that is, it is determined that being eventually the reason for upstream data decoding error When end is not detected by DCI0, adaptive retransmission is carried out, retransmits DCI0.It can be seen that it can be corrected in time due to DCI0 by the present invention Decoding error problem caused by missing inspection, scheduling caused by DCI0 missing inspections and interface-free resources are avoided to waste problem, meanwhile, also reduce Due to up BLER residuals probability caused by DCI0 missing inspections.
Brief description of the drawings
Fig. 1 is a kind of step flow chart of Downlink Control Information DCI0 processing method in the embodiment of the present invention one；
Fig. 2 is a kind of step flow chart of Downlink Control Information DCI0 processing method in present example two；
Fig. 3 is a kind of structured flowchart of Downlink Control Information DCI0 processing system in the embodiment of the present invention four；
Fig. 4 is a kind of structured flowchart of preferable Downlink Control Information DCI0 processing system in the embodiment of the present invention four.
Embodiment
In order to facilitate the understanding of the purposes, features and advantages of the present invention, it is below in conjunction with the accompanying drawings and specific real Applying mode, the present invention is further detailed explanation.
Embodiment one
Reference picture 1, the step of showing a kind of Downlink Control Information DCI0 processing method in the embodiment of the present invention one, flow Cheng Tu.In the present embodiment, the processing method of the Downlink Control Information DCI0 includes：
Step 102, judge whether upstream data decodes correctly.
In the present embodiment, can be entered by the correctness of decoding result of any one appropriate mode to upstream data Row verification, for example, conventional verification mode has：CRC (Cyclic Redundancy Check, CRC) is verified.When When determining that the upstream data decoding is correct, it can be continued executing with according to old process：Step 104, next new biography tune is carried out Degree task.When it is determined that during the upstream data decoding error, then following step 106 can be performed.
Step 104, the flag information of the first mark carried in the upstream data is obtained.
In the present embodiment, the first mark can be carried in the upstream data, according to the mark of the described first mark Position information the reason for may determine that the upstream data decoding error whether be：Terminal is not detected by DCI0.
Step 108, judge whether the ident value indicated by the flag information meets setting identification value.
In the present embodiment, if the ident value indicated by the flag information meets the setting identification value, illustrate The reason for upstream data decoding error is that terminal is not detected by DCI0, can perform following step 110；If the flag information Indicated ident value is unsatisfactory for the setting identification value, then illustrate upstream data decoding error is not detected by by terminal Caused by DCI0, (step 112) can be continued executing with according to old process.Wherein, setting identification value is described up for indicating The reason for data decoding mistake is：Terminal is not detected by DCI0.
Step 110, adaptive retransmission is carried out, retransmits DCI0.
Adaptive retransmission can be adaptively adjusted the resource block for retransmitting use every time, modulation according to wireless channel conditions The parameters such as mode, transport block size and transmission cycle.In the present embodiment, it can will retransmit what is used by retransmitting DCI0 The parameters such as resource block, modulation system, transport block size and transmission cycle are notified to terminal.
Step 112, non-self-adapting re-transmission is carried out.
Non-self-adapting, which retransmits, uses predetermined transformat, and modulation system, transmission size, frequency domain position etc. is all according to just Pass what DCI0 was determined.In the present embodiment, be not due to decoding error as caused by DCI0 missing inspections, therefore, can be based on Just pass DCI0 and carry out non-self-adapting re-transmission.
In summary, the processing method of a kind of Downlink Control Information DCI0 described in the present embodiment, it is determined that described up During data decoding mistake, retransmission scheme can be determined by the flag information of the first mark carried in upstream data, had Body, can be when it is determined that the flag of the first mark meets the setting identification value, that is, it is determined that upstream data decoding is wrong When by mistake the reason for is that terminal is not detected by DCI0, adaptive retransmission is carried out, retransmits DCI0.It can be seen that by the present embodiment can and When correct the decoding error problem caused by DCI0 missing inspections, avoid scheduling caused by DCI0 missing inspections and interface-free resources from wasting and ask Topic, meanwhile, decrease due to up BLER residuals probability caused by DCI0 missing inspections.
Embodiment two
Reference picture 2, show a kind of step flow of Downlink Control Information DCI0 processing method in present example two Figure.In the present embodiment, the processing method of the Downlink Control Information DCI0 includes：
Step 202, upstream data is received.
Step 204, ascending idle port power corresponding to the upstream data is obtained.
Usually, DCI0 missing inspections can cause terminal to send data, and then physical layer in correct time domain and frequency domain Power is can't detect on symbol of being eated dishes without rice or wine corresponding to scheduling subframe, therefore, in the present embodiment, can be according to ascending idle port Power come determine whether occur DCI0 missing inspections.
Step 206, first mark is set in the upstream data.
Step 208, the first flag identified according to the ascending idle port power configuration of acquisition.
In the present embodiment, however, it is determined that ascending idle port inactivity corresponding to the upstream data of acquisition, then marked described first The flag of knowledge is arranged to the setting identification value, and DCI0 is not detected by come instruction terminal by the setting identification value.
Step 210, judge whether upstream data decodes correctly.
In the present embodiment, can be continued executing with if decoding is correct according to old process：Step 220：Carry out next New biography scheduler task.If decoding error, can as follows to determine decoding error the reason for whether be DCI0 missing inspections Caused by.
Step 212, the flag information of the first mark carried in the upstream data is obtained.
Step 214, judge whether the ident value indicated by the flag information meets setting identification value.
In the present embodiment, can be by judging whether the ident value indicated by the flag information meets setting identification Whether the reason for value is to determine decoding error is DCI0 missing inspections.
Wherein,
If it is determined that the ident value indicated by the flag information is unsatisfactory for the setting identification value, then it is assumed that decoding error The reason for be not CDI0 missing inspections, can according to old process can next TTI carry out non-self-adapting re-transmission：Step 222, carry out Non-self-adapting retransmits.
If it is determined that the ident value indicated by the flag information meets the setting identification value, then it is assumed that decoding error Reason is DCI0 missing inspections.Wherein, if being DCI0 missing inspections the reason for decoding error, next TTI non-self-adaptings can be caused to retransmit Failure, therefore, in the present embodiment, can be set by following step 216 in hybrid automatic repeat-request HARQ processes Second mark, for indicating to retransmit without non-self-adapting in next TTI.
Step 216, the second mark is set in hybrid automatic repeat-request HARQ processes.
Step 218, adaptive retransmission is carried out, retransmits DCI0.
In the present embodiment, can determine whether to carry out by judging whether to carry second mark in HARQ processes Adaptive retransmission, retransmit DCI0.Specifically, it can be determined that second mark whether is carried in the process of the HARQ；True When carrying second mark in fixed HARQ process, stop non-adaptive re-transmission, carry out adaptive retransmission, retransmit DCI0.
Further, in the present embodiment, in adaptive retransmission, it is necessary to modulating-coding strategy and redundancy be carried out dominant It is indicated to terminal.Specifically, the institute of the modulating-coding strategy and the redundancy in the repeating transmission DCI0 can first be determined In field；Then it is by the field configuration of determination：Contemporary broadband modulating-coding strategy, and, redundancy version is 0.
In summary, the processing method of a kind of Downlink Control Information DCI0 described in the present embodiment, it is determined that described up During data decoding mistake, retransmission scheme can be determined by the flag information of the first mark carried in upstream data, had Body, can be when it is determined that the flag of the first mark meets the setting identification value, that is, it is determined that upstream data decoding is wrong When by mistake the reason for is that terminal is not detected by DCI0, adaptive retransmission is carried out, retransmits DCI0.It can be seen that by the present embodiment can and When correct the decoding error problem caused by DCI0 missing inspections, avoid scheduling caused by DCI0 missing inspections and interface-free resources from wasting and ask Topic, meanwhile, decrease due to up BLER residuals probability caused by DCI0 missing inspections.
Embodiment three
With reference to above-described embodiment, processing method of the present embodiment with an instantiation to the Downlink Control Information DCI0 Illustrate.
In the present embodiment, the processing method of the Downlink Control Information DCI0 can judge whether according to receiving power Existing DCI0 missing inspections and corresponding retransmission mechanism：If the uplink receiving inactivity of this scheduling, then it is assumed that the DCI0 passed at the beginning of this time Terminal may arrive without inspection, next time during Schedule retransmission, be retransmitted without non-self-adapting, switch to adaptive retransmission, send out one again All over DCI0, and dominant instruction is carried out to modulation coded format in DCI0, so as to reduce because DCI0 missing inspections cause to remain BLER The probability of (Block Error Rate, Block Error Rate), DCI0 missing inspections are avoided to cause scheduling and interface-free resources to waste.
In the present embodiment, the processing method of the Downlink Control Information DCI0 can specifically be realized by following flow：
1st, the identification of the DCI0 missing inspections of physical layer
The specific performed flow of physical layer is as follows：
Step S31, physical layer can increase activation detection mark (that is, above-mentioned in the upstream data for report MAC layer The first mark in embodiment).
Step S32, obtain the ascending idle port power of this scheduling.
In the present embodiment, if the ascending idle port inactivity of this scheduling, it is by the activation detection flag TRUE, it is believed that terminal does not detect DCI0, does not send data., will activation if the ascending idle port of this scheduling has power Detection flag is FALSE, it is believed that DCI0 missing inspections do not occur for terminal.
2nd, processing of the MAC layer to upstream data
The specific performed flow of MAC layer is as follows：
Step S33, MAC layer receive the upstream data that physical layer reports.
Step S34, it is determined that during the upstream data decoding error, check the activation detection mark.
In the present embodiment, if the flag bit of the activation detection mark is TRUE, then it is assumed that be this decoding error Reason is DCI0 missing inspections, and the specially treated mark for indicating adaptive retransmission can be recorded in HARQ process.
3rd, HARQ flow processings
Step S35, when carrying out non-self-adapting re-transmission, if detecting the specially treated mark, then it is assumed that there occurs DCI0 missing inspections, stop the re-transmission of this non-self-adapting, carry out adaptive retransmission.
Step S36, carry out adaptive retransmission
In the present embodiment, when carrying out adaptive retransmission, it is necessary to MCS (Modulation and by adaptive retransmission Coding Scheme, modulation and coding strategy) and RV is dominant is indicated to terminal, specific implementation can be as follows：In DCI0 words MCS the and RV information fields of section, are configured to 0 by RV version, MCS are configured to current broadband MCS.
In summary, the processing method of a kind of Downlink Control Information DCI0 described in the present embodiment, it is determined that described up During data decoding mistake, the retransmission mechanism that should be used after DCI0 missing inspections can be determined according to uplink received power, if should The uplink receiving inactivity of secondary scheduling, then it is assumed that the DCI0 terminals passed at the beginning of this time may arrive without inspection, next time during Schedule retransmission, Retransmitted without non-self-adapting, switch to adaptive retransmission, send out a DCI0 again, and modulation coded format is carried out in DCI0 Dominant instruction, so as to reduce because DCI0 missing inspections cause residual BLER probability, DCI0 missing inspections are avoided to cause scheduling and eat dishes without rice or wine to provide Source wastes.
It should be noted that for foregoing embodiment of the method, in order to be briefly described, therefore it is all expressed as a series of Combination of actions, but those skilled in the art should know, the present invention is not limited by described sequence of movement, because according to According to the present invention, some steps can use other orders or carry out simultaneously.Secondly, those skilled in the art should also know, Embodiment described in this description belongs to preferred embodiment, and involved action is not necessarily essential to the invention.
Example IV
Based on the same inventive concept of above method embodiment, reference picture 3, show in the embodiment of the present invention four under one kind The structured flowchart of row control information DCI0 processing system.In the present embodiment, the processing system of the Downlink Control Information DCI0 System, including：
First judge module 402, for judging whether upstream data decodes correctly.
First acquisition module 404, for it is determined that during the upstream data decoding error, obtaining and being taken in the upstream data The flag information of first mark of band.
Second judge module 406, for judging whether the ident value indicated by the flag information meets setting identification Value.
Retransmission module 408, for it is determined that the ident value indicated by the flag information meets the setting identification value When, adaptive retransmission is carried out, retransmits DCI0；Wherein, the setting identification value is used to indicate the upstream data decoding error Reason is：Terminal is not detected by DCI0.
Reference picture 4, show a kind of preferable Downlink Control Information DCI0 processing system in the embodiment of the present invention four Structured flowchart.
Preferably, the processing system of the Downlink Control Information DCI0 can also include：
Receiving module 410, for before first judge module 402 judges whether upstream data decodes correctly, connecing Receive the upstream data.
Second acquisition module 412, for obtaining ascending idle port power corresponding to the upstream data.
First setup module 414, for setting first mark in the upstream data.
Set module 416, the flag for the first mark described in the ascending idle port power configuration according to acquisition；Wherein, If it is determined that ascending idle port inactivity corresponding to the upstream data obtained, then be arranged to described by first flag identified and set Determine ident value.
Preferably, the processing system of the Downlink Control Information DCI0 can also include：
Second setup module 418, for judging the mark indicated by the flag information in second judge module 406 After whether knowledge value meets setting identification value, it is determined that the ident value indicated by the flag information meets the setting identification During value, the second mark is set in hybrid automatic repeat-request HARQ processes.
In a preferred scheme of the present embodiment, the retransmission module 408 can specifically include：Judging submodule 4082, For when it is determined that the ident value indicated by the flag information meets the setting identification value, judging the process of the HARQ In whether carry it is described second mark；Submodule 4084 is retransmitted, for it is determined that carrying described second in the process of the HARQ During mark, stop non-adaptive re-transmission, carry out adaptive retransmission, retransmit DCI0.
In another preferred scheme of the present embodiment, the retransmission module 408, specifically it can be used for it is determined that the mark When ident value indicated by the information of position meets the setting identification value, DCI0 is retransmitted, and to modulating-coding in the DCI0 of repeating transmission Strategy and redundancy carry out dominant instruction.It is further preferred that the retransmission module 408 is retransmitting DCI0, and in repeating transmission When carrying out dominant instruction to modulation coding strategy and redundancy in DCI0, it can specifically include：DCI0 is retransmitted, determines the modulation The place field of coding strategy and the redundancy in the repeating transmission DCI0；It is by the field configuration of determination：Contemporary broadband is adjusted Coding strategy processed, and, redundancy version is 0.
In summary, the processing system of a kind of Downlink Control Information DCI0 described in the present embodiment, it is determined that described up During data decoding mistake, retransmission scheme can be determined by the flag information of the first mark carried in upstream data, had Body, can be when it is determined that the flag of the first mark meets the setting identification value, that is, it is determined that upstream data decoding is wrong When by mistake the reason for is that terminal is not detected by DCI0, adaptive retransmission is carried out, retransmits DCI0.It can be seen that by the present embodiment can and When correct the decoding error problem caused by DCI0 missing inspections, avoid scheduling caused by DCI0 missing inspections and interface-free resources from wasting and ask Topic, meanwhile, decrease due to up BLER residuals probability caused by DCI0 missing inspections.
For device embodiment, because it is substantially similar to embodiment of the method, so description is fairly simple, it is related Part illustrates referring to the part of embodiment of the method.
Each embodiment in this specification is described by the way of progressive, what each embodiment stressed be with The difference of other embodiment, between each embodiment identical similar part mutually referring to.
Detailed Jie has been carried out to a kind of Downlink Control Information DCI0 processing method and system provided by the present invention above Continue, specific case used herein is set forth to the principle and embodiment of the present invention, and the explanation of above example is only It is the method and its core concept for being used to help understand the present invention；Meanwhile for those of ordinary skill in the art, according to this hair Bright thought, there will be changes in specific embodiments and applications, in summary, this specification content should not manage Solve as limitation of the present invention.

Claims (12)

  1. A kind of 1. Downlink Control Information DCI0 processing method, it is characterised in that including：
    Judge whether upstream data decodes correctly；
    If it is determined that the upstream data decoding error, then the flag for obtaining the first mark carried in the upstream data is believed Breath；
    Judge whether the ident value indicated by the flag information meets setting identification value；
    If it is determined that the ident value indicated by the flag information meets the setting identification value, then adaptive retransmission is carried out, weight Send out DCI0；Wherein, the setting identification value is for the reason for indicating the upstream data decoding error：Terminal is not detected by DCI0。
  2. 2. according to the method for claim 1, it is characterised in that judge whether upstream data decodes correct step described Before, methods described also includes：
    Receive the upstream data；
    Obtain ascending idle port power corresponding to the upstream data；
    First mark is set in the upstream data；
    The flag of the first mark according to the ascending idle port power configuration of acquisition；Wherein, however, it is determined that the upstream data of acquisition Corresponding ascending idle port inactivity, then first flag identified is arranged to the setting identification value.
  3. 3. according to the method for claim 1, it is characterised in that in the mark judged indicated by the flag information After whether value meets the step of setting identification value, methods described also includes：
    If it is determined that the ident value indicated by the flag information meets the setting identification value, then in hybrid automatic repeat-request Second mark is set in HARQ processes.
  4. 4. according to the method for claim 3, it is characterised in that the carry out adaptive retransmission, DCI0 is retransmitted, including：
    Judge second mark whether is carried in the process of the HARQ；
    If it is determined that carrying second mark in the process of the HARQ, then stop non-adaptive re-transmission, carry out adaptive retransmission, weight Send out DCI0.
  5. 5. according to the method for claim 1, it is characterised in that the carry out adaptive retransmission, DCI0 is retransmitted, including：
    DCI0 is retransmitted, and dominant instruction is carried out to modulation coding strategy and redundancy in the DCI0 of repeating transmission.
  6. 6. according to the method for claim 5, it is characterised in that the repeating transmission DCI0, and to modulation in the DCI0 of repeating transmission Coding strategy and redundancy carry out dominant instruction, including：
    DCI0 is retransmitted, determines the place field of the modulating-coding strategy and the redundancy in the repeating transmission DCI0；
    It is by the field configuration of determination：Contemporary broadband modulating-coding strategy, and, redundancy version is 0.
  7. A kind of 7. Downlink Control Information DCI0 processing system, it is characterised in that including：
    First judge module, for judging whether upstream data decodes correctly；
    First acquisition module, for it is determined that during the upstream data decoding error, obtaining carried in the upstream data The flag information of one mark；
    Second judge module, for judging whether the ident value indicated by the flag information meets setting identification value；
    Retransmission module, for when it is determined that the ident value indicated by the flag information meets the setting identification value, carrying out Adaptive retransmission, retransmit DCI0；Wherein, the setting identification value is for the reason for indicating the upstream data decoding error： Terminal is not detected by DCI0.
  8. 8. system according to claim 7, it is characterised in that also include：
    Receiving module, for before first judge module judges whether upstream data decodes correctly, receiving described up Data；
    Second acquisition module, for obtaining ascending idle port power corresponding to the upstream data；
    First setup module, for setting first mark in the upstream data；
    Set module, the flag for the first mark described in the ascending idle port power configuration according to acquisition；Wherein, however, it is determined that obtain Ascending idle port inactivity corresponding to the upstream data taken, then first flag identified is arranged to the setting identification Value.
  9. 9. system according to claim 7, it is characterised in that also include：
    Second setup module, for judging whether the ident value indicated by the flag information is full in second judge module After sufficient setting identification value, when it is determined that the ident value indicated by the flag information meets the setting identification value, mixed Close and the second mark is set in HARQ HARQ processes.
  10. 10. system according to claim 9, it is characterised in that the retransmission module, including：
    Judging submodule, for when it is determined that the ident value indicated by the flag information meets the setting identification value, sentencing Whether second mark is carried in disconnected HARQ process；
    Submodule is retransmitted, for when it is determined that carrying second mark in the process of the HARQ, stopping non-adaptive re-transmission, entering Row adaptive retransmission, retransmit DCI0.
  11. 11. system according to claim 7, it is characterised in that the retransmission module, for it is determined that the flag is believed When the indicated ident value of breath meets the setting identification value, DCI0 is retransmitted, and to modulating coding strategy in the DCI0 of repeating transmission Dominant instruction is carried out with redundancy.
  12. 12. system according to claim 11, it is characterised in that the retransmission module is retransmitting DCI0, and in repeating transmission When carrying out dominant instruction to modulation coding strategy and redundancy in DCI0, including：
    DCI0 is retransmitted, determines the place field of the modulating-coding strategy and the redundancy in the repeating transmission DCI0；
    It is by the field configuration of determination：Contemporary broadband modulating-coding strategy, and, redundancy version is 0.
CN201610394826.XA 2016-06-06 2016-06-06 A kind of Downlink Control Information DCI0 processing method and system Pending CN107465490A (en)

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CN201610394826.XA CN107465490A (en) 2016-06-06 2016-06-06 A kind of Downlink Control Information DCI0 processing method and system
PCT/CN2017/083528 WO2017211155A1 (en) 2016-06-06 2017-05-09 Downlink control information (dci0) processing method and system

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