CN106357374A - Method and system for detection of PUCCH (physical uplink control channel) feedback information in LTE (long term evolution) - Google Patents
Method and system for detection of PUCCH (physical uplink control channel) feedback information in LTE (long term evolution) Download PDFInfo
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- CN106357374A CN106357374A CN201510416435.9A CN201510416435A CN106357374A CN 106357374 A CN106357374 A CN 106357374A CN 201510416435 A CN201510416435 A CN 201510416435A CN 106357374 A CN106357374 A CN 106357374A
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- feedback
- channel
- terminal
- pusch
- pucch
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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]
Abstract
The invention relates to a method and a system for detection of PUCCH (physical uplink control channel) feedback information in LTE (long term evolution); the method includes steps of detecting if an uplink feedback subframe preset by a terminal contains PUSCH transmission of the terminal; if the uplink feedback subframe preset by the terminal has the PUSCH transmission of the terminal, detecting the feedback information on the PUSCH signal channel and the feedback information on the PUCCH signal channel preset by the terminal at the base station simultaneously, and judging the feedback information. The method applies the detection measure of multiple feedback signal channels to the treatment of the base station side; under the scene that the terminal applies the PUSCH to perform the PDSCH feedback, the base station still can well receive feedback information of the terminal even through the terminal side losses the uplink authorized PDCCH of the base station.
Description
Technical field
The present invention relates to wireless communication technology field, especially relate to pucch in a kind of lte
Feedback information detecting method and system.
Background technology
In lte (long term evolution, long evolving system) system, lte-a
(lte-advanced, advanced long evolving system) is the evolution version of lte, in order to
Meet lte-a descending peak speed 1gbps, the requirement of up peak speed 500mbps, it is desirable to provide
The transmission bandwidth of big 100mhz, but due to so big bandwidth continuous frequency spectrum rare,
Lte-a proposes the solution of carrier aggregation (carrier aggregation, ca).Institute
Meaning carrier aggregation, is by 2 or more carrier units (component carrier, cc)
Condense together to support to be the transmission bandwidth of 100mhz to the maximum.
In lte-a agreement, because newly-increased carrier aggregation function introduces pucch1b cs
Form (pucch format1b with channel selection), for transmission to descending
Ack/nack feeds back.The downlink reception of different carrier can be fed back by using this form ue
Result.Pucch1b cs be pucch1b form based on lte r8/9 agreement derive and
Come although still only carrying the feedback information of 2bit, but base station each subframe pass through inspection
The resource location measuring pucch1bcs and the content carrying, according to reflecting of providing in agreement
Firing table lattice, that is, can confirm that the downlink reception result in each carrier wave for the ue.Pucch1b cs lattice
Formula could support up the reception condition in multiple descending sub frames for lower 2 code words of 2 carrier waves, terminal feedback
When receiving result, spendable resource-niche is equipped with two kinds: a kind of is used by pdcch
Cce indexes, and is calculated using the formula that agreement provides and obtains, that is, adopts formula To calculate pucch money
Source position；Another kind is to configure by high-level signaling n1pucch-an-cs-r10 to obtain.Two
Plant the resource location in source, ue, according to reception condition, selects corresponding resource-niche according to agreement
Put and fed back.
Due to, in tdd ul-dl configuration 1～6, there are multiple d sub-frame transmission pair
The situation that same ue is fed back should be arrived, formulate for this in lte tdd
Ack/nack bundling feedback model and ack/nack multiplexing feedback mould
Formula.In ack/nack bundling feedback model, the pdsch transmission of m d subframe (claims
Be a harq feedback window) terminal feedback in time with operation after, final m
In d subframe, corresponding identical tb block only forms the ack/nack information of 1bit, if base station
Receive the nack of corresponding tb, then multiple d transmission of bunding transmission feedback all carry out harq
Retransmit.Above-mentioned is preferable transmission-feedback states.But in practice, pdcch transmission is not
100% is reliable, and ue may lose some descending dci, so when in harq feedback window
When some descending dci lose, the state of base station and terminal has occurred as soon as inconsistent, and base station is thought
Transmit certain d subframe, but terminal does not know the presence having this downlink transfer, let alone
The judgement of ack/nack and feedback are carried out to it, then may under bundling feedback model
Mistakenly feed back ack.
Therefore, situation about lte-a agreement may be lost particular for pdcch/pdsch and
Tailor safeguard procedures, the dai information that either carries in up-downgoing mandate pdcch,
Or feedback information use based on n in puschbundledScrambler sequence, be provided to strengthen
The reliability of feedback is it is most important that ensure base station and terminal in transmission events statistics and feedback letter
Concordance on breath.
But, still suffer from one of prior art is likely to result in base station and terminal and differs in feedback
The leak causing is:
1) if base station thinks that terminal has pusch transmission (to have pdcch to correspond in feedback subframe
Pusch transmission or no pdcch corresponding pusch transmission), but end side lost
Authorizing it is not known that there being the presence of this pusch transmission events of this pusch transmission, leads to end
End is still fed back using pucch, and base station is thought and fed back on pusch, then
The resource of the resource of base station parsing feedback information and terminal send feedback information is inconsistent.Base station is lost
Lose terminal feedback information.
2) if same base station thinks that terminal has the corresponding pusch of pdcch in feedback subframe
Transmission, but end side lost the corresponding up pdcch of this pusch transmission and authorizes, terminal
Side thinks that this subframe has another corresponding pusch of no pdcch to transmit, then lead to terminal to be recognized
For being fed back on the corresponding pusch of no pdcch, and base station thinks have
Carry out feedback reception, then base station parses the resource of feedback information on the corresponding pusch of pdcch
Inconsistent with the resource of terminal send feedback information.Terminal feedback information is lost in base station.
Above-mentioned situation shows, agreement expectation ensures base station and terminal in downlink transfer and anti-as far as possible
The concordance of feedback, improves the accuracy of terminal feedback, especially considers pdcch and authorizes and loses
May be to the impact that cause of feedback.It is corresponding up due to pdsch downlink transfer will be ensured
Pucch feedback concordance, so agreement take many kinds of measures come to guarantee terminal can accurately
Know downstream grants pdcch or the loss situation of pdsch transmission.But the descending biography of pdsch
Defeated uplink feedback is not just carried out it is possible to carry out on pusch on pucch,
And pusch corresponding be uplink authorization pdcch, if up authorize pdcch itself loss
, that can cause new base station and terminal inconsistent in feedback naturally.Agreement here is lucky
Have ignored uplink authorization pdcch and lose the impact that the feedback to downlink transfer pdsch causes.
Content of the invention
For the problems referred to above, the present invention provides pucch feedback information detection side in a kind of lte
Method and system, take multiple feedback Channel Detection measure from the process of base station side, make in terminal
Carried out under the scene of pdsch feedback with pusch, even if end side lost the upper of base station
Row authorizes pdcch, also still can preferably ensure that base station reliably receives the feedback of terminal
Information.
One aspect of the present invention proposes pucch feedback information detecting method in a kind of lte,
Including:
The pusch whether containing described terminal in the predetermined uplink feedback subframe of detection terminal passes
Defeated；
If the pusch having this terminal in the predetermined uplink feedback subframe of described terminal passes
Defeated, then the feedback information on pusch signal is detected in base station in this subframe simultaneously, and this is eventually
Hold the feedback information on predetermined pucch channel；
According to the feedback letter on the feedback information in the pusch detecting and pucch channel
Breath, carries out feedback information judgement.
Wherein, described pusch has been transmitted as pdcch corresponding pusch transmission or nothing
The corresponding pusch of pdcch transmits.
Wherein, methods described also includes: if in the predetermined uplink feedback subframe of described terminal not
Pusch containing described terminal transmission, then
When for ack/nack bundling feedback model, in detection harq feedback window
The corresponding pucch channel of pdcch afterwards；
When for ack/nack multiplexing feedback model, or feed back mould for carrier aggregation
During formula, feedback information is detected on the pucch channel resource position of all transmission.
Wherein, the testing result of described pusch channel is ack/nack；Described pucch
Channel detection result be ack/nack or dtx.
Methods described also includes: when terminal is when there being pdcch corresponding pusch transmission, institute
State according to the feedback information on the pusch channel detecting and the feedback on pucch channel
Information, carries out feedback information judgement, specifically includes:
When the described testing result having on pdcch corresponding pusch channel is
When testing result on ack/nack, pucch channel is dtx, described base station judges institute
State the feedback result that the feedback result on pdcch corresponding pusch channel is terminal；
When the described testing result having on pdcch corresponding pusch channel is
When testing result on ack/nack, pucch channel is ack/nack, described base station
Judge the feedback result for terminal for the feedback result on described pucch channel.
Wherein, methods described also includes: when terminal is transmitted in the corresponding pusch of no pdcch
When, on the feedback information on pusch channel that described basis detects and pucch channel
Feedback information, carry out feedback information judgement, specifically include:
When the testing result on the corresponding pusch channel of described no pdcch is
When testing result on ack/nack, pucch channel is dtx, described base station judges institute
State the feedback result that the feedback result on no pdcch corresponding pusch channel is terminal；
When the testing result on the corresponding pusch channel of described no pdcch is
When testing result on ack/nack, pucch channel is ack/nack, described base station
Judge the feedback result for terminal for the feedback result on described pucch channel.
According to another aspect of the present invention, provide a kind of pucch feedback information detection system,
It is characterized in that, comprising:
Channel detection unit, for judging whether there is one in the predetermined uplink feedback subframe of terminal
The pusch transmission of this terminal；
Feedback information receiving unit, has one to be somebody's turn to do for working as in the predetermined uplink feedback subframe of terminal
During the pusch transmission of terminal, the feedback on pusch channel is detected in this subframe in base station simultaneously
Feedback information in information, and the predetermined pucch channel of this terminal；
Judging unit, for according to the feedback information on the pusch channel that detects and
Feedback information on pucch channel, carries out feedback information judgement.
Wherein it is characterised in that described pusch has been transmitted as the corresponding pusch of pdcch
Transmission or no pudh corresponding pusch transmission.
Wherein it is characterised in that this device also includes:
Pucch feed back detector unit, for when described channel detection unit judge pre- in terminal
When fixed uplink feedback subframe does not have pusch transmission, base station carries out pucch feedback detection.
Wherein, described pucch feedback detector unit specifically includes:
When for ack/nack bundling feedback model, in detection harq feedback window
The corresponding pucch channel of pdcch afterwards；
When for ack/nack multiplexing feedback model, or feed back mould for carrier aggregation
During formula, feedback information is detected on the pucch channel resource position of all transmission.
Pucch feedback information detecting method and system in the lte of the present invention, are not changing agreement
On the basis of having designed, multiple feedback Channel Detection measure is taken from the process of base station side,
Carried out under the scene of pdsch feedback using pusch in terminal, even if end side lost base
The uplink authorization pdcch standing, also still can preferably ensure that base station reliably receives terminal
Feedback information.This measure cooperation agreement itself is existing, and various to ensure that end side detects descending
The mechanism authorizing pdcch or pdsch to lose, can form a more complete raising terminal
Feedback accuracy and the scheme of base station detection uplink feedback reliability.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
Simply introduce one is made to the accompanying drawing of required use in embodiment or description of the prior art, show
And easy insight, drawings in the following description are some embodiments of the present invention, general for this area
For logical technical staff, on the premise of not paying creative work, can also be attached according to these
Figure obtains other accompanying drawings.
Fig. 1 is pucch feedback information detecting method in a kind of lte in one embodiment of the invention
Flow chart；
Fig. 2 is the knot of pucch feedback information detection system in lte in one embodiment of the invention
Structure block diagram.
Specific embodiment
Purpose, technical scheme and advantage for making the embodiment of the present invention are clearer, will tie below
Close the embodiment of the present invention in accompanying drawing, the technical scheme in the embodiment of the present invention is carried out clear,
It is fully described by it is clear that described embodiment a part of embodiment that is the present invention, rather than
Whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment being obtained under the premise of making creative work, broadly falls into present invention protection
Scope.
Pucch feedback information detecting method in the lte of the present invention, is in existing feedback information
The improvement carrying out on the basis of detection method, be for terminal in predetermined uplink feedback subframe
The side that in the case of the pusch transmission of another this terminal, base station is detected to feedback channel
Method, therefore, in the case of not having pusch transmission, base station is carried out using existing method
The detection of feedback channel.If not containing described terminal in the predetermined uplink feedback subframe of terminal
Pusch transmission, then
Agreement specifies under ack/nack bundling feedback model, and detection harq is anti-for base station
Last pdcch corresponding pucch channel in feedback window；ack/nack
Under multiplexing feedback model, or under carrier aggregation scene, if adopting pucch 1b
With channel selection mechanism, then base station be possible to transmit pucch channel money
All feedback informations are detected on source position.And according to eventually detecting the pucch channel of signal
Call number and this 2bit information entrained by pucch channel, to inquire about 36.213 feedback and to reflect
Firing table, parsing obtains the feedback information implication of terminal.Describe in detail below by way of specific embodiment
Pucch feedback information detecting method in the lte of the present invention.
Fig. 1 is pucch feedback information detecting method in a kind of lte in one embodiment of the invention
Flow chart.
Reference Fig. 1, pucch feedback information detecting method in the lte of embodiments of the invention,
Specifically include:
Described terminal whether is contained in the predetermined uplink feedback subframe of s1, detection terminal
Pusch transmits；
In the present embodiment, described pusch has been transmitted as pdcch corresponding pusch transmission
Or no pdcch corresponding pusch transmission.
If s2 has this terminal in the predetermined uplink feedback subframe of described terminal
Pusch transmits, then the feedback information on pusch channel is detected in base station in this subframe simultaneously,
And the feedback information on the predetermined pucch channel of this terminal；
Anti- on feedback information in the pusch that s3, basis detect and pucch channel
Feedforward information, carries out feedback information judgement.
In embodiments of the invention, after base station carries out the multi-channel detection of step s2, obtain
Multiple testing results, the wherein testing result of pusch channel are ack/nack；
The Channel Detection of pucch due to being detected using tri-state, its testing result be ack/nack or
dtx.
After obtaining multiple testing results, base station carries out synthesis to multiple feedback channels detection structure
Analysis, its analytical plan is as shown in the table:
In upper table, ack/nack (1) indicates on pdcch corresponding pusch channel
Testing result nack or ack, ack/nack (2) indicates that no pdcch is corresponding
Testing result nack on pusch channel or ack, ack/nack (3) represents
Testing result nack on pucch channel or ack.
According to upper table, terminal, in the case of having pdcch corresponding pusch transmission, works as institute
Stating the testing result on pdcch corresponding pusch channel is ack/nack, pucch
When testing result on channel is dtx, described in the judgement of described base station, there is pdcch corresponding
Feedback result on pusch channel is the feedback result of terminal；
When the described testing result having on pdcch corresponding pusch channel is
When testing result on ack/nack, pucch channel is ack/nack, described base station
Judge the feedback result for terminal for the feedback result on described pucch channel.
In addition, terminal is in the case of no pdcch corresponding pusch transmission, when described nothing
Testing result on pdcch corresponding pusch channel is ack/nack, pucch channel
On testing result be dtx when, described base station judges the corresponding pusch of described no pdcch
Feedback result on channel is the feedback result of terminal；
When the testing result on the corresponding pusch channel of described no pdcch is
When testing result on ack/nack, pucch channel is ack/nack, described base station
Judge the feedback result for terminal for the feedback result on described pucch channel.
Fig. 2 is the knot of pucch feedback information detection system in lte in one embodiment of the invention
Structure block diagram.
With reference to Fig. 2, in an alternative embodiment of the invention, provide a kind of pucch feedback information
Detecting system, comprising:
Channel detection unit 10, for judging whether there is one in the predetermined uplink feedback subframe of terminal
The pusch transmission of this terminal individual；
Feedback information receiving unit 20, has one for working as in the predetermined uplink feedback subframe of terminal
During the pusch transmission of this terminal, base station is detected anti-on pusch channel in this subframe simultaneously
Feedback information on feedforward information, and the predetermined pucch channel of this terminal；
Judging unit 30, for according to the feedback information on the pusch channel that detects and
Feedback information on pucch channel, carries out feedback information judgement.
In the present embodiment, described pusch be transmitted as pdcch corresponding pusch transmission or
The corresponding pusch of no pudh transmits.
In further embodiment, this system also includes:
Pucch feed back detector unit, for when described channel detection unit judge pre- in terminal
When fixed uplink feedback subframe does not have pusch transmission, base station carries out pucch feedback detection.
Wherein, described pucch feedback detector unit specifically includes:
When for ack/nack bundling feedback model, in detection harq feedback window
The corresponding pucch channel of pdcch afterwards；
When for ack/nack multiplexing feedback model, or feed back mould for carrier aggregation
During formula, feedback information is detected on the pucch channel resource position of all transmission.
Pucch feedback information detecting method and system in the lte of the present invention, are not changing agreement
On the basis of having designed, multiple feedback Channel Detection measure is taken from the process of base station side,
Carried out under the scene of pdsch feedback using pusch in terminal, even if end side lost base
The uplink authorization pdcch standing, also still can preferably ensure that base station reliably receives terminal
Feedback information.This measure cooperation agreement itself is existing, and various to ensure that end side detects descending
The mechanism authorizing pdcch or pdsch to lose, can form a more complete raising terminal
Feedback accuracy and the scheme of base station detection uplink feedback reliability.
The present embodiment is the embodiment of the system of the present invention, due to phase basic with the embodiment of method
Seemingly, so describe is fairly simple, in place of correlation, refer to the explanation of embodiment of the method part.
Although being described in conjunction with the accompanying embodiments of the present invention, those skilled in the art can
To make various modifications and variations without departing from the spirit and scope of the present invention, so
Modification and within the scope of modification each falls within and is defined by the appended claims.
In the description of the present invention, illustrate a large amount of details.It is to be appreciated, however, that this
Inventive embodiment can be put into practice in the case of not having these details.In some examples
In, known method, structure and technology are not been shown in detail, so as not to fuzzy to this specification
Understanding.
Similarly it will be appreciated that disclosing and help understand each invented party to simplify the present invention
One or more of face, in the description to the exemplary embodiment of the present invention above, this
Each bright feature is grouped together in single embodiment, figure or descriptions thereof sometimes.
However, the method for the disclosure should not explained i.e. required for protection in reflecting an intention that
Application claims more features than the feature being expressly recited in each claim.More true
Say with cutting, as the following claims reflect as, inventive aspect is less than above
All features of disclosed single embodiment.Therefore, it then follows the claim of specific embodiment
Book is thus expressly incorporated in this specific embodiment, and wherein each claim itself is as this
The separate embodiments of invention.
It will be understood by those skilled in the art that the module in the equipment in embodiment can be carried out
Adaptively change and they are provided in different one or more of this embodiment and set
In standby.Can the module in embodiment or unit or assembly be combined into a module or unit or
Assembly, and multiple submodule or subelement or sub-component can be divided in addition.Except
Such feature and/or at least some of process or unit are mutually exclusive parts, permissible
Using any combinations to public in this specification (including adjoint claim, summary and accompanying drawing)
The all features opened and all processes of so disclosed any method or equipment or unit
It is combined.Unless expressly stated otherwise, this specification (includes adjoint claim, plucks
Will and accompanying drawing) disclosed in each feature can be by providing replacing of identical, equivalent or similar purpose
To replace for feature.
Although additionally, it will be appreciated by those of skill in the art that some embodiments described herein
Including included some features in other embodiments rather than further feature, but different enforcement
The combination of the feature of example means to be within the scope of the present invention and formed different enforcements
Example.For example, in the following claims, embodiment required for protection one of arbitrarily
Can in any combination mode using.
The all parts embodiment of the present invention can be realized with hardware, or with one or many
The software module run on individual processor is realized, or is realized with combinations thereof.This area
It will be appreciated by the skilled person that can be in practice using microprocessor or digital signal processor
(dsp) realizing some in a kind of equipment of browser terminal according to embodiments of the present invention
Or some or all functions of whole parts.The present invention is also implemented as executing this
In described some or all equipment of method or program of device (for example, calculate
Machine program and computer program).Such program realizing the present invention can be stored in meter
On calculation machine computer-readable recording medium, or can have the form of one or more signal.Such letter
Number can download from internet website and to obtain, or provide on carrier signal, or to appoint
What other forms provides.
It should be noted that above-described embodiment the present invention will be described rather than the present invention is entered
Row limits, and those skilled in the art are without departing from the scope of the appended claims
Alternative embodiment can be designed.In the claims, should not be by any ginseng between bracket
Examine symbol construction and become limitations on claims.Word "comprising" does not exclude the presence of the power of not being listed in
Element in profit requirement or step.Word "a" or "an" before element is not arranged
Remove and there are multiple such elements.The present invention can be by means of including the hard of some different elements
Part and being realized by means of properly programmed computer.If weighing in the unit listing equipment for drying
During profit requires, several in these devices can be Lai concrete body by same hardware branch
Existing.The use of word first, second, and third does not indicate that any order.Can be by these
Word is construed to title.
Finally it is noted that various embodiments above is only in order to illustrate technical scheme,
It is not intended to limit；Although being described in detail to the present invention with reference to foregoing embodiments,
It will be understood by those within the art that: it still can be to described in foregoing embodiments
Technical scheme modify, or wherein some or all of technical characteristic is carried out with equivalent replacing
Change；And these modifications or replacement, do not make the essence of appropriate technical solution depart from the present invention each
The scope of embodiment technical scheme, it all should be covered in the claim of the present invention and description
In the middle of scope.
Claims (10)
1. in a kind of lte pucch feedback information detecting method it is characterised in that include:
The pusch whether containing described terminal in the predetermined uplink feedback subframe of detection terminal passes
Defeated；
If the pusch having this terminal in the predetermined uplink feedback subframe of described terminal passes
Defeated, then the feedback information on pusch channel is detected in base station in this subframe simultaneously, and this is eventually
Hold the feedback information on predetermined pucch channel；
According to anti-on the feedback information on the pusch channel detecting and pucch channel
Feedforward information, carries out feedback information judgement.
2. method according to claim 1 is it is characterised in that described pusch transmits
For having pdcch corresponding pusch transmission or no pdcch corresponding pusch transmission.
3. method according to claim 1 is it is characterised in that methods described also includes:
If the pusch not containing described terminal in the predetermined uplink feedback subframe of described terminal passes
Defeated, then
When for ack/nack bundling feedback model, in detection harq feedback window
The corresponding pucch channel of pdcch afterwards；
When for ack/nack multiplexing feedback model, or feed back mould for carrier aggregation
During formula, feedback information is detected on the pucch channel resource position of all transmission.
4. method according to claim 2 is it is characterised in that described pusch channel
Testing result be ack/nack；The channel detection result of described pucch is
Ack/nack or dtx.
5. method according to claim 4 is it is characterised in that methods described also includes:
When terminal is when there being pdcch corresponding pusch transmission, the pusch that described basis detects
Feedback information on channel and the feedback information on pucch channel, carry out feedback information and sentence
Disconnected, specifically include:
When the described testing result having on pdcch corresponding pusch channel is
When testing result on ack/nack, pucch channel is dtx, described base station judges institute
State the feedback result that the feedback result on pdcch corresponding pusch channel is terminal；
When the described testing result having on pdcch corresponding pusch channel is
When testing result on ack/nack, pucch channel is ack/nack, described base station
Judge the feedback result for terminal for the feedback result on described pucch channel.
6. method according to claim 4 is it is characterised in that methods described also includes:
When terminal is transmitted in the corresponding pusch of no pdcch, the pusch that described basis detects
Feedback information on channel and the feedback information on pucch channel, carry out feedback information and sentence
Disconnected, specifically include:
When the testing result on the corresponding pusch channel of described no pdcch is
When testing result on ack/nack, pucch channel is dtx, described base station judges institute
State the feedback result that the feedback result on no pdcch corresponding pusch channel is terminal；
When the testing result on the corresponding pusch channel of described no pdcch is
When testing result on ack/nack, pucch channel is ack/nack, described base station
Judge the feedback result for terminal for the feedback result on described pucch channel.
7. a kind of pucch feedback information detection system is it is characterised in that include:
Channel detection unit, for judging whether there is one in the predetermined uplink feedback subframe of terminal
The pusch transmission of this terminal；
Feedback information receiving unit, has one to be somebody's turn to do for working as in the predetermined uplink feedback subframe of terminal
During the pusch transmission of terminal, the feedback on pusch channel is detected in this subframe in base station simultaneously
Feedback information in information, and the predetermined pucch channel of this terminal；
Judging unit, for according to the feedback information on the pusch channel that detects and
Feedback information on pucch channel, carries out feedback information judgement.
8. system according to claim 7 is it is characterised in that described pusch transmits
For having pdcch corresponding pusch transmission or no pudh corresponding pusch transmission.
9. system according to claim 7 is it is characterised in that this system also includes:
Pucch feed back detector unit, for when described channel detection unit judge pre- in terminal
When fixed uplink feedback subframe does not have pusch transmission, base station carries out pucch feedback detection.
10. system according to claim 9 is it is characterised in that described pucch feeds back
Detector unit specifically includes:
When for ack/nack bundling feedback model, in detection harq feedback window
The corresponding pucch channel of pdcch afterwards；
When for ack/nack multiplexing feedback model, or feed back mould for carrier aggregation
During formula, feedback information is detected on the pucch channel resource position of all transmission.
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| CN201510416435.9A CN106357374B (en) | 2015-07-15 | 2015-07-15 | PUCCH feedback information detecting method and system in a kind of LTE |
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| CN201510416435.9A CN106357374B (en) | 2015-07-15 | 2015-07-15 | PUCCH feedback information detecting method and system in a kind of LTE |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109495220A (en) * | 2017-09-11 | 2019-03-19 | 中兴通讯股份有限公司 | Data transmission method and device, user terminal and computer readable storage medium |
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| CN109495220A (en) * | 2017-09-11 | 2019-03-19 | 中兴通讯股份有限公司 | Data transmission method and device, user terminal and computer readable storage medium |
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| JP2022132365A (en) * | 2018-11-11 | 2022-09-08 | ウィルス インスティテュート オブ スタンダーズ アンド テクノロジー インコーポレイティド | Harq-ack codebook generation method for wireless communication system and device using the same |
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| WO2021032012A1 (en) * | 2019-08-16 | 2021-02-25 | 华为技术有限公司 | Method for determining hybrid automatic repeat request acknowledgement (harq-ack) resource |
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