CN106034015B - The method and apparatus that HARQ across CC is retransmitted - Google Patents
The method and apparatus that HARQ across CC is retransmitted Download PDFInfo
- Publication number
- CN106034015B CN106034015B CN201510125886.7A CN201510125886A CN106034015B CN 106034015 B CN106034015 B CN 106034015B CN 201510125886 A CN201510125886 A CN 201510125886A CN 106034015 B CN106034015 B CN 106034015B
- Authority
- CN
- China
- Prior art keywords
- harq
- dci
- scheduling authorization
- transmission
- base station
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention provides the method and apparatus retransmitted for carrying out the HARQ across CC.A kind of method in a base station include: in across CC scheduling authorization DCI on the first CC configuration certain indicators indicate that corresponding downlink data transmission is across CCHARQ re-transmission for the 2nd CC；And across CC scheduling authorization DCI is sent to UE on the first CC.
Description
Technical field
The present invention is generally related to wireless communication field, more specifically, is related to exempting to permit (Long in long term evolution-
Term Evolution-Unlicensed) hybrid automatic repeat-request (Hybrid across component carrier (CC) is carried out in system
Automatic Repeat-reQuest, HARQ) retransmit method and apparatus.
Background technique
Currently, it with the continuous growth of business demand, is studying in LTE Release-13 using exempting from licensed band
To increase the feasibility of network capacity.It is different from the exclusive use of licensed band, exempt from licensed band by a variety of wireless access technologys
(Radio Access Technology, RAT) is shared, such as Wi-Fi, radar system etc., this to be carried out using exempting from licensed band
The system of LTE access is also referred to as LTE-U system.
For LTE for exempting from licensed band is accessed, key point is base station and user equipment (UE) by opportunistic
(opportunistic) it utilizes and exempts from licensed band for uplink (UL) and/or the transmission of downlink (DL) data.Term " opportunistic "
Refer in LTE-U system, a base station and/or UE can only be carried out using this licensed band of exempting from a time interval
The data of their own are transmitted, after the time interval, this exempt from licensed band will be released (offers) to other LTE-U systems or
WiFi system is to guarantee the fairness between multiple LTE-U and WiFi system.According to investigation and many leading providers opinion,
This opportunistic time interval for the transmission of LTE data can be several Transmission Time Intervals (Transmission Time
Interval, TTI).That is, a LTE operator, which can occupy this, exempts from several TTI of licensed band, then this exempts to be permitted
Can frequency band will be released for other LTE-U systems or WiFi system data transmission.In order to adapt to the opportunistic on LTE-U
Transmission suggests that HARQ of the support across CC is retransmitted in LTE R13 in RAN1, and target is to continue to be faced on a small active area
When another small active area for discharging on the HARQ of HARQ procedure retransmit.
Although the HARQ across CC retransmits this thought and has been widely proposed and has obtained many companies' supports, how real
This existing thought is still unclear.
Summary of the invention
In view of the above problems, the present invention provides the specific sides retransmitted for realizing the HARQ across CC in LTE-U system
Case so that exempt from after granting resources are released a small active area is occupied, can on another small active area after
Continue the unfinished HARQ procedure of the small active area.
According to the first aspect of the invention, it provides a kind of for carrying out the mixing across component carrier (CC) in a base station
The method that automatic repeat request (Hybrid Automatic Repeat-reQuest, HARQ) retransmits, comprising: on the first CC
Across CC scheduling authorization Downlink Control Information (Downlink Control Information, DCI) in configure certain indicators
To indicate that corresponding downlink data transmission is across CC HARQ re-transmission for the 2nd CC；And institute is sent to UE on the first CC
State across CC scheduling authorization DCI.
According to the second aspect of the invention, it provides a kind of for carrying out the mixing across component carrier (CC) in UE certainly
The method that dynamic retransmission request (Hybrid Automatic Repeat-reQuest, HARQ) is retransmitted, comprising: connect on the first CC
Receive across CC scheduling authorization Downlink Control Information (Downlink Control Information, DCI) from base station；According to institute
It states the certain indicators in across CC scheduling authorization DCI and determines that upcoming data transmission is for the 2nd CC on the first CC
HARQ retransmit.
According to the third aspect of the present invention, it provides a kind of for carrying out the mixing across component carrier (CC) in a base station
The method that automatic repeat request (Hybrid Automatic Repeat-reQuest, HARQ) retransmits, comprising: will be on the first CC
Across CC scheduling authorization Downlink Control Information (Downlink Control Information, DCI) in multi-carrier indicator word
Section (Carrier Indicator Field, CIF) is configured to particular value to indicate that corresponding downlink data transmission is for second
The HARQ across CC of CC is retransmitted；And across CC scheduling authorization DCI is sent to UE on the first CC.
According to the fourth aspect of the present invention, it provides a kind of for carrying out the mixing across component carrier (CC) in UE certainly
The method that dynamic retransmission request (Hybrid Automatic Repeat-reQuest, HARQ) is retransmitted, comprising: connect on the first CC
Receive across CC scheduling authorization Downlink Control Information (Downlink Control Information, DCI) from base station；According to institute
The particular value for stating the multi-carrier indicator field (Carrier Indicator Field, CIF) in across CC scheduling authorization DCI determines
Upcoming data transmission is the HARQ re-transmission for the 2nd CC on first CC.
According to the fifth aspect of the present invention, it provides a kind of for carrying out the mixing across component carrier (CC) in UE certainly
The method that dynamic retransmission request (Hybrid Automatic Repeat-reQuest, HARQ) is retransmitted, comprising: connect on the first CC
Receive across CC scheduling authorization Downlink Control Information (Downlink Control Information, DCI) from base station；To reception
To across CC scheduling authorization DCI be decoded；Multi-carrier indicator field in determining across CC scheduling authorization DCI
When the 2nd CC that (Carrier Indicator Field, CIF) is directed toward is in halted state, across CC scheduling authorization is determined
DCI is used to retransmit for the HARQ across CC of the 2nd CC.
According to the sixth aspect of the invention, it provides a kind of for carrying out the mixing across component carrier (CC) in a base station
The method that automatic repeat request (Hybrid Automatic Repeat-reQuest, HARQ) retransmits, comprising: when the 2nd CC stops
It, will be on the unfinished transmitting and scheduling to the first CC on the 2nd CC when only；The unfinished transmission conduct is sent on the first CC
Initial transmission；When receiving the positive acknowledgment of the transmission being directed on the first CC from UE, determine described on the 2nd CC
Unfinished transmission is completed on the first CC.
Detailed description of the invention
It, will be more preferable geographical after the description below with reference to a specific embodiment of the invention given by following drawings
The solution present invention, and other objects of the present invention, details, features and advantages will become apparent.In the accompanying drawings:
Fig. 1 shows the flow chart for the method that the HARQ across CC according to the first aspect of the invention is retransmitted；
Fig. 2 shows the flow charts of the method retransmitted of the HARQ across CC according to the second aspect of the invention；
Fig. 3 shows the flow chart for the method that the HARQ across CC according to the third aspect of the invention we is retransmitted；And
Fig. 4 shows the flow chart for the method that the HARQ across CC according to the fourth aspect of the invention is retransmitted.
Specific embodiment
As described above, it has been proposed that the HARQ across CC retransmits thought and supported by many companies, but how real
Existing this thought still none satisfactory scheme.Core of the invention thought is through explicit or implicit method
So that it is the cell temporarily ceased for another that UE, which knows that the HARQ to arrive on a CC (normal small active area) is retransmitted,
(such as LTE-U Scell's), to guarantee to weigh the initial transmission and its HARQ received in the two cells in the side UE
Come into row union operation appropriate.
Before specific discuss, provide some abbreviations used herein first is defined such that following discussion more
It is succinct:
CC1 refers to normal activity CC, and associated license CC (such as CC2) of exempting from temporarily stopped state will be helped to hold
Row HARQ is retransmitted；
CC2 refers to that is temporarily ceased exempts from license CC (such as LTE-U Scell), and HARQ re-transmission will carry out on CC1.
However, it will be understood by those skilled in the art that the invention is not limited to the above-mentioned definition of CC1 and CC2, but can
To be applied to carry out the scene of the HARQ re-transmission across CC between any activity or inactive CC.
The preferred embodiment that the present invention will be described in more detail below with reference to accompanying drawings.Although showing the present invention in attached drawing
Preferred embodiment, however, it is to be appreciated that may be realized in various forms the present invention without the embodiment party that should be illustrated here
Formula is limited.On the contrary, thesing embodiments are provided so that the present invention is more thorough and complete, and can will be of the invention
Range is fully disclosed to those skilled in the art.
In addition, herein, each scheme that HARQ of the description across CC is retransmitted so that DL is transmitted as an example, however art technology
Personnel be appreciated that scheme disclosed in this invention can also equally or be modified slightly applied to UL transmit.
Fig. 1 shows the flow chart for the method 100 that the HARQ across CC according to the first aspect of the invention is retransmitted.
In the carrier wave polymerization for supporting cross-carrier scheduling, physical downlink control channel (Physical Downlink
Control Channel, PDCCH) carry Downlink Control Information (Downlink Control for one or more UE
Information, DCI), it is indicated in DCI using multi-carrier indicator field (Carrier Indicator Field, CIF)
Which carrier wave dispatched.Defined CIF field includes 3 bits, can indicate most 8 carrier waves.In the downstream direction,
PDCCH be used for transmission downlink data Physical Downlink Shared Channel (Physical Downlink Shared Channel,
PDSCH it) is time-multiplexed, and in the upstream direction, use Physical Uplink Control Channel (Physical Uplink Control
Channel, PUCCH) come transmit in PDSCH data transmission HARQ confirmation (ACK or NACK).
The thought of method 100 be by the DCI in PDCCH configure certain indicators come to UE explicit instruction across CC
HARQ retransmit.
Specifically, method 100 includes:
Step 110: certain indicators are configured in across the CC scheduling authorization DCI of base station (eNodeB) on CC1 to indicate phase
The downlink data transmission answered is across CCHARQ re-transmission for CC2.
In one implementation, certain indicators can be one or more reserved bits in DCI, or can be existing
Bit redefines, or can be the increased bit into DCI.For example, if certain indicators are the binary systems of 1 bit
When number, the value that can pre-define the certain indicators indicates that across CC scheduling authorization DCI is used to indicate the HARQ across CC when being 1
It retransmits, is otherwise normally across CC scheduling authorization DCI.
By configuring the certain indicators in across CC scheduling authorization DCI, being somebody's turn to do across CC scheduling authorization can be diverted in UE
Indicate that the HARQ across CC is retransmitted.In this case, the CIF in DCI indicates CC2, the phase on HARQ ID instruction CC2 in DCI
The HARQ procedure index answered.
Next, base station is sent on CC1 to UE should across CC scheduling authorization DCI in step 120.
In this way, across the CC scheduling authorization DCI configured in this way, what base station can will be transmitted to UE instruction on CC1
It is the HARQ re-transmission on CC2 indicated by the CIF for the DCI rather than is directed to the transmission of CC1 itself.
When UE receives across CC scheduling authorization DCI on CC1, determined on CC1 according to the certain indicators in DCI
Upcoming data transmission is the HARQ re-transmission (step 130) for CC2.
In one implementation, UE determines that across CC scheduling authorization is for across CC according to the certain indicators in DCI
What HARQ was retransmitted, the CIF in DCI indicates CC2, the corresponding HARQ procedure index on HARQ ID instruction CC2 in DCI.
After HARQ re-transmission on CC1 terminates, UE is by the transmission received on CC2 before being cached and in CC1
On the HARQ that receives retransmit and carry out HARQ merging or individually handled, to obtain the complete transmission (step from base station
140)。
Next, UE can be decoded to obtained data and other L1 processes.If successfully decoded, UE is by Xiang Jizhan
Feeding back ACK, and empty related HARQ corresponding to the transmission received on CC2 and cache.In addition, UE is also by decoded MAC
PDU feeds back to high level for further processing.
In fact, the MAC PDU for being not relevant for receiving is received on which CC from the point of view of high-rise viewpoint.If
MAC PDU is correctly decoded, then high level process can continue.In base station side, the unfinished HARQ procedure of CC2 is known in base station
HARQ re-transmission successfully completes.
Fig. 2 shows the flow charts of the method 200 retransmitted of the HARQ across CC according to the second aspect of the invention.
As described above, defined CIF field includes 3 in the existing carrier aggregation scheme for supporting cross-carrier scheduling
A bit can indicate most 8 carrier waves.However, at most only needing support 5 carrier waves in current carrier wave polymerization
Polymerization.Therefore, there are redundancies for the ability of CIF, and at least there is also 3 not used CIF value for redefining.In consideration of it, side
The thought of method 200 is to refer to by using not currently used CIF value come across the CC scheduling authorization received to UE explicit notification
Show that the HARQ across CC is retransmitted.
Specifically, method 200 includes:
Step 210: base station (eNodeB) configures particular value for the CIF in across CC scheduling authorization DCI on CC1 to indicate
Corresponding downlink data transmission is across CCHARQ re-transmission for CC2.
The particular value is not used or reserved CIF value.For example, the particular value is 111.It can pre-define and work as CIF
When for the particular value, should across CC scheduling authorization DCI be used to indicate the re-transmission of the HARQ across CC, be otherwise normally across CC scheduling authorization
DCI。
By configuring the particular value for CIF, which, which can be diverted in, indicates the HARQ weight across CC to UE
It passes.In this case, the HARQ ID in DCI indicates corresponding HARQ procedure index.
However, such CIF configuration can only indicate that across CC scheduling authorization is used to indicate that the HARQ across CC is retransmitted, without
Can indicate that the HARQ that will occur on CC1 is retransmitted is the HARQ procedure for being directed to which CC.
It can be that CC1 preassigns the CC2 or is when only supporting CC1 is that a CC2 carries out across CC HARQ re-transmission
CC2 preassigns the CC1；
And when supporting CC1 is that multiple CC2 carry out across CC HARQ re-transmission, method 200 further include: before step 210,
Such as in CC2 configuration, base station notifies which CC1 helps to UE by high-level signaling (such as wireless heterogeneous networks (RRC) signaling)
A CC2 carries out across CC HARQ and retransmits.
Next, base station is sent on CC1 to UE should across CC scheduling authorization DCI in step 220.
In this way, across the CC scheduling authorization DCI configured in this way, what base station can will be transmitted to UE instruction on CC1
It is the transmission that the HARQ across CC retransmitted rather than be directed to CC1 itself, and can be preparatory by preassigning or passing through base station
Which CC the HARQ re-transmission for sending high-level signaling to notify this across CC to UE is for.
When UE receives across CC scheduling authorization DCI on CC1, determined on CC1 at hand according to the particular value of CIF
Data transmission be for CC2 HARQ retransmit (step 230).
In one implementation, UE determines that across CC scheduling authorization DCI is for the HARQ across CC according to the particular value of CIF
It retransmits, wherein the HARQ ID in DCI indicates corresponding HARQ procedure index.In addition, UE also according to preassign or come from
The high-level signaling of base station determines that the HARQ retransmits targeted CC2.
After HARQ re-transmission on CC1 terminates, UE is by the transmission received on CC2 before being cached and in CC1
On the HARQ that receives retransmit and carry out HARQ merging or individually handled, to obtain the complete transmission (step from base station
240)。
It is similar with method 100, next, UE can also be decoded to obtained data and other L1 processes.If
Successfully decoded, UE will be to base station feedback ACK, and empties related HARQ corresponding to the transmission received on CC2 and cache.This
Outside, decoded MAC PDU is also fed back to high level for further processing by UE.
As can be seen that the something in common of method 200 and 100 is to require to carry out across CC scheduling authorization DCI to determine again
Justice, therefore referred to as explicit aspect.Correspondingly, the behavior of UE is also required to redefine.
However, method 200 and 100 the difference is that, in method 200, need to preassign or pass through high level
Which CC2 the HARQ re-transmission across CC of the signaling on UE notice CC1 is for.If only supporting configuration one in R13
LTE-U Scell, then UE knows the LTE-U Scell for default, and if supporting multiple LTE-U Scell in R13, it is right
In the LTE-U Scell of each configuration, it is necessary to configure a normal cell for it to support its HARQ to retransmit, and one normal
The HARQ that cell can only be configured to support a LTE-U Scell is retransmitted.
Fig. 3 shows the flow chart for the method 300 that the HARQ across CC according to the third aspect of the invention we is retransmitted.
For method 300, do not need to redefine across CC scheduling authorization DCI, but by specification
It is prespecified, so that UE is able to know that across the CC scheduling authorization for being directed toward the LTE-U Scell stopped indicating that this is one across CC
HARQ retransmit, therefore this scheme is considered as implicit aspect.
Specifically, method 300 includes:
Step 310, UE receives across CC scheduling authorization DCI on the CC1 of normal activity.
Step 320, UE is decoded across the CC scheduling authorization DCI received, as the CC2 for determining that CIF therein is directed toward
When being currently at halted state, UE determines across CC scheduling authorization DCI for the HARQ re-transmission for CC2 across CC.
In one implementation, the CIF in DCI indicates CC2, the corresponding HARQ mistake on HARQ ID instruction CC2 in DCI
Journey index.
According to this thought, which CC is base station side should will be apparent that and be in halted state, therefore works as DCI transmitted by base station
In CIF when being directed toward the CC stopped, UE can implicitly know that across the CC scheduling authorization being currently received is a kind of special scheduling
Authorization, the scheduling authorization do not trigger the transmission for CC1, carry out CC2 on CC1 using resource indicated by the authorization
HARQ retransmit, and corresponding HARQ procedure is identified by the HARQ ID in the DCI.
Next, similar with method 100 and 200, after the HARQ re-transmission on CC1 terminates, UE will be before being cached
The transmission received on CC2 retransmits progress HARQ with the HARQ received on CC1 and merges or individually handled, to obtain
Complete transmission (step 330) from base station.
Further, UE can be decoded obtained data and other L1 processes.If successfully decoded, UE will be to base
It stands feeding back ACK, and empties related HARQ corresponding to the transmission received on CC2 and cache.In addition, UE will also be decoded
MAC PDU feeds back to high level for further processing.
For method 300, when CIF be directed toward be in halted state CC2 when, if there is CC1 it is identical into
If capable HARQ procedure, it will hung up automatically.
Fig. 4 shows the flow chart for the method 400 that the HARQ across CC according to the fourth aspect of the invention is retransmitted.
Similar with method 300, method 400 does not need to redefine across CC scheduling authorization DCI yet, therefore the program
It is also regarded as implicit aspect.
In above method 100-300, the HARQ for CC2 that the side UE requires to receive on CC1 is retransmitted and is delayed
The received initial transmission on CC2 deposited carries out HARQ merging or is individually handled, this indicates received on maintained CC2
HARQ caching will contribute to the HARQ re-transmission across CC.Therefore, this needs that UE is notified to carry out the HARQ across CC and retransmitting, with
So that UE is able to carry out correct HARQ and merges or individually handled, then emptied when decoding correct received on CC2
Corresponding HARQ caching.It is different from above method 100-300, for method 400, when CC2 stops, the number that being transmitted
Transmission is re-started according to HARQ procedure of the new transmission on CC1 according to CC1 will be considered as.
Specifically, method 400 includes:
Step 410, when CC2 stops, base station will be on the unfinished transmitting and scheduling to CC1 on CC2.
Step 420, base station retransmits the unfinished transmission as initial transmission on CC1.
Preferably, base station sends the PDU for CC2 using the idle HARQ procedure of CC1.Otherwise, if CC1's is all
HARQ procedure is all carrying out, then base station must send the MAC PDU for CC2 using one of them.From the point of view of UE viewpoint, UE
It will be considered to the new transmission in the specific HARQ process that this is a CC1, therefore the HARQ of the HARQ procedure saved on CC1 is slow
Depositing will be emptied.This behavior necessarily affects the performance of CC1.
In this way, base station handles the new transmission that the unfinished transmission on CC2 is considered as on CC1.
Step 430, UE receives the transmission on CC1 and is decoded.
Step 440, when successfully decoded, UE is to base station transmission for the positive acknowledgment of the transmission on the CC1.
Step 450, when base station receives the positive acknowledgment, determine that the unfinished transmission on CC2 is complete on CC1
At.
As can be seen that not needing to be redefined for the behavior of the side UE, UE is not relevant on CC1 in method 400
Whether transmitted on other CC (such as CC2) before the PDU of transmission, so that UE will not cache the new transmission and its HARQ
It is combined, but transmission received on CC1 is handled as new transmission.
In this case, the side UE will not actively empty the related cache for CC2.For this purpose, UE can stop currently
CC2 when reopening later and starting new transmission, empty the related cache for being wherein directed to CC2.Before that, the phase of CC2
Closing HARQ caching will be maintained, because UE does not know the MAC PDU of the HARQ procedure of the CC2 Successful transmissions on CC1.
Herein, method disclosed herein is described referring to attached drawing.It should be appreciated, however, that shown in the drawings
And sequence of steps described in this description is only schematical, without departing from the scope of the claims, this
A little method and steps and/or movement can execute in a different order and be not limited to institute in shown in the drawings and specification
The specific order of description.
In one or more exemplary designs, this can be realized with hardware, software, firmware or their any combination
The application function.If realized with software, can be stored the function as one or more instruction or code
On a computer-readable medium, or as on computer-readable medium one or more instructions or code transmit.It calculates
Machine readable medium includes computer storage media and communication media, and wherein communication media includes facilitating computer program from one
Place is transmitted to the arbitrary medium of another place.Storage medium can be general or specialized computer-accessible any available
Medium.This computer-readable medium may include, such as, but not limited to, RAM, ROM, EEPROM, CD-ROM or other CDs
Store equipment, disk storage equipment or other magnetic storage apparatus, either can be used for general or specialized computer or it is general or
The form of the addressable instruction of application specific processor or data structure come code modules desired by carrying or store it is any its
Its medium.Also, it is any to connect the computer-readable medium that be known as.For example, if software be using coaxial cable,
The wireless technology of optical fiber cable, twisted pair, Digital Subscriber Line (DSL) or such as infrared ray, radio and microwave etc is come from net
It stands, server or other remote sources transmission, then coaxial cable, optical fiber cable, twisted pair, DSL or such as infrared ray, wireless
The wireless technology of electricity and microwave etc is also included in the definition of medium.
General processor, digital signal processor (DSP), specific integrated circuit (ASIC), field programmable gate can be used
Array (FPGA) or other programmable logic device, discrete gate or transistor logic, discrete hardware components or for executing sheet
Any combination of function described in text come realize or execute in conjunction with various illustrative logical blocks described in the invention, module and
Circuit.General processor can be microprocessor, alternatively, processor is also possible to any common processor, controller, micro-control
Device or state machine processed.Processor also can be implemented as calculating the combination of equipment, for example, the combination of DSP and microprocessor, multiple
The combination or any other such structure of microprocessor, one or more microprocessors and DSP core.
Those of ordinary skill in the art should also understand that, the various illustrative logics described in conjunction with embodiments herein
The combination of electronic hardware, computer software or both may be implemented into block, module, circuit and algorithm steps.In order to understand earth's surface
Show this interchangeability between hardware and software, various illustrative components, block, module, circuit and step are enclosed above
General description has been carried out around its function.Hardware is implemented as this function and is also implemented as software, is depended on specific
Using and apply design constraint over the whole system.Those skilled in the art can be directed to every kind of specific application, to become
Logical mode realizes described function, and still, this realization decision should not be interpreted as causing a departure from the scope of this disclosure.
Above description of the invention is for can be realized any those of ordinary skill of this field or using the present invention.It is right
For those of ordinary skill in the art, various modifications of the invention be will be apparent from, and generality defined herein
Principle can also be applied to other deformations in the case where without deviating from the spirit and scope of the disclosed invention.Therefore, the present invention is simultaneously
It is not limited to example and design as described herein, but it is consistent with the widest scope of principle disclosed herein and novel features.
Claims (14)
1. one kind for carrying out hybrid automatic repeat-request (the Hybrid Automatic across component carrier (CC) in a base station
Repeat-reQuest, HARQ) retransmit method, comprising:
In across CC scheduling authorization Downlink Control Information (Downlink Control Information, DCI) on the first CC
Configuration certain indicators come indicate corresponding downlink data transmission be retransmitted for across CC HARQ of the 2nd CC, wherein it is described across
Multi-carrier indicator field (Carrier Indicator Field, CIF) in CC scheduling authorization DCI indicates the 2nd CC；With
And
Across CC scheduling authorization DCI is sent to UE on the first CC.
2. the method as described in claim 1, wherein the HARQ ID in across CC scheduling authorization DCI indicates the 2nd CC
Corresponding HARQ procedure index.
3. the method as described in claim 1, wherein the first CC is mobile C C, the 2nd CC is to exempt to permit in halted state
CC。
4. one kind in UE for carrying out hybrid automatic repeat-request (the Hybrid Automatic across component carrier (CC)
Repeat-reQuest, HARQ) retransmit method, comprising:
Across CC scheduling authorization Downlink Control Information (Downlink Control from base station is received on the first CC
Information, DCI), wherein multi-carrier indicator field (the Carrier Indicator in across CC scheduling authorization DCI
Field, CIF) the 2nd CC of instruction；
Determine that upcoming data transmission is on the first CC according to the certain indicators in across CC scheduling authorization DCI
It is retransmitted for the HARQ of the 2nd CC.
5. method as claimed in claim 4, wherein the HARQ ID in across CC scheduling authorization DCI indicates the 2nd CC
Corresponding HARQ procedure index.
6. method as claimed in claim 4, further includes:
The transmission received on the 2nd CC before being cached is retransmitted with the HARQ received on the first CC and carries out HARQ
Merge or is individually handled.
7. method as claimed in claim 4, wherein the first CC is mobile C C, the 2nd CC is to exempt to permit in halted state
CC。
8. one kind for carrying out hybrid automatic repeat-request (the Hybrid Automatic across component carrier (CC) in a base station
Repeat-reQuest, HARQ) retransmit method, comprising:
It will be in across CC scheduling authorization Downlink Control Information (Downlink Control Information, DCI) on the first CC
Multi-carrier indicator field (Carrier Indicator Field, CIF) be configured to particular value to indicate corresponding downlink data
Transmission is the HARQ re-transmission across CC for the 2nd CC, wherein second CC is preassigned by system or passed through height by base station
Layer signaling prenotices UE；And
Across CC scheduling authorization DCI is sent to UE on the first CC.
9. method according to claim 8, wherein the HARQ ID in across CC scheduling authorization DCI indicates the 2nd CC
Corresponding HARQ procedure index.
10. method according to claim 8, wherein the first CC is mobile C C, the 2nd CC is to exempt to permit in halted state
CC。
11. one kind in UE for carrying out hybrid automatic repeat-request (the Hybrid Automatic across component carrier (CC)
Repeat-reQuest, HARQ) retransmit method, comprising:
Across CC scheduling authorization Downlink Control Information (Downlink Control from base station is received on the first CC
Information, DCI), wherein the 2nd CC is preassigned by system or is prenoticed by base station by high-level signaling described
UE；
According to the multi-carrier indicator field (Carrier Indicator Field, CIF) in across CC scheduling authorization DCI
Particular value determines that upcoming data transmission is to be directed to the HARQ re-transmission of the 2nd CC on the first CC.
12. method as claimed in claim 11, wherein the HARQ ID instruction described second in across CC scheduling authorization DCI
The corresponding HARQ procedure of CC indexes.
13. method as claimed in claim 11, further includes:
The transmission received on the 2nd CC before being cached is retransmitted with the HARQ received on the first CC and carries out HARQ
Merge or is individually handled.
14. method as claimed in claim 11, wherein the first CC is mobile C C, the 2nd CC is to exempt to permit in halted state
CC。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125886.7A CN106034015B (en) | 2015-03-20 | 2015-03-20 | The method and apparatus that HARQ across CC is retransmitted |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510125886.7A CN106034015B (en) | 2015-03-20 | 2015-03-20 | The method and apparatus that HARQ across CC is retransmitted |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106034015A CN106034015A (en) | 2016-10-19 |
| CN106034015B true CN106034015B (en) | 2019-09-03 |
Family
ID=57149392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510125886.7A Active CN106034015B (en) | 2015-03-20 | 2015-03-20 | The method and apparatus that HARQ across CC is retransmitted |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106034015B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108631923B (en) | 2017-03-24 | 2020-11-17 | 华为技术有限公司 | Information transmission method, network equipment and terminal equipment |
| CN118074868A (en) * | 2019-02-01 | 2024-05-24 | 北京小米移动软件有限公司 | Method and device for hybrid automatic repeat request |
| CN111867085A (en) * | 2019-04-30 | 2020-10-30 | 华为技术有限公司 | Uplink transmission method and communication device |
| US20230275708A1 (en) * | 2020-06-30 | 2023-08-31 | Mediatek Singapore Pte. Ltd. | Methods And Apparatus For Cross-Carrier HARQ Transmissions |
| CN117099352A (en) * | 2021-03-31 | 2023-11-21 | 中兴通讯股份有限公司 | Method, device and system for determining beam information of cross component carrier |
| CN115915439A (en) * | 2021-09-29 | 2023-04-04 | ***通信有限公司研究院 | Transmission method, terminal and network side equipment |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102263627A (en) * | 2011-08-11 | 2011-11-30 | 中兴通讯股份有限公司 | Method and device for configuring carrier aggregation |
| CN103563284A (en) * | 2011-04-11 | 2014-02-05 | 高通股份有限公司 | Transmission of control information for FDD-TDD carrier aggregation |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2012148142A2 (en) * | 2011-04-25 | 2012-11-01 | 엘지전자 주식회사 | Method for controlling error for carrier aggregation and apparatus for same |
-
2015
- 2015-03-20 CN CN201510125886.7A patent/CN106034015B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103563284A (en) * | 2011-04-11 | 2014-02-05 | 高通股份有限公司 | Transmission of control information for FDD-TDD carrier aggregation |
| CN102263627A (en) * | 2011-08-11 | 2011-11-30 | 中兴通讯股份有限公司 | Method and device for configuring carrier aggregation |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106034015A (en) | 2016-10-19 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11026254B2 (en) | Method and user equipment for receiving downlink channel, and method and base station for transmitting downlink channel | |
| CN106034015B (en) | The method and apparatus that HARQ across CC is retransmitted | |
| US10512004B2 (en) | Indicating status of forwarded data | |
| US9749094B2 (en) | Devices for sending and receiving feedback information | |
| US20180324786A1 (en) | Resource determination for uplink control channel for wireless networks | |
| KR101555006B1 (en) | Data transmission method and device in carrier aggregation system | |
| JP6940121B2 (en) | Data transmission methods, equipment and systems | |
| CN113597807A (en) | Method and apparatus for priority-based control and data information transmission in a wireless communication system | |
| JP6594994B2 (en) | Event-triggered multilink channel quality measurement and reporting for mission-critical applications | |
| WO2018018620A1 (en) | Method of feeding back ack/nack information, terminal equipment, and network equipment | |
| TW202123748A (en) | Time domain resource allocation for downlink data repetitions | |
| CN105743619A (en) | Hybrid automatic repeat request (HARQ) transmission method and apparatus | |
| US10057038B2 (en) | Method and apparatus for feedback in mobile communication system | |
| US20120140724A1 (en) | Apparatus, Method and Article of Manufacture for Determining an Uplink HARQ Resource | |
| CN105991260B (en) | Method and apparatus of the transmission for the descending control signaling of extensive carrier wave polymerization | |
| WO2016070672A1 (en) | Method and device for implementing data transmission | |
| WO2017016351A1 (en) | Uplink data transmission method and device | |
| WO2015027798A1 (en) | Transmission method and apparatus in tdd-fdd combined system | |
| CN108370562B (en) | Cross-carrier scheduling method, feedback method and device | |
| KR20230044431A (en) | Uplink transmission method and apparatus in wireless communication system | |
| TWI607635B (en) | Device and method of handling harq operation for unlicensed band | |
| JP2020530952A (en) | Feedback response information transmission method, equipment and system | |
| CN107210840A (en) | A kind of communication means and communication equipment | |
| WO2018059305A1 (en) | Pusch transmission method and device, and dci indication method and device | |
| WO2021159465A1 (en) | Downlink triggered channel state information reporting for semi-persistent scheduling |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: No. 388 Jinqiao ningqiao Road, Pudong New Area, Shanghai Applicant after: Shanghai NOKIA Baer Limited by Share Ltd Applicant after: Alcatel Optical Networks Israe Address before: 201206 Pudong New Area Jinqiao Ning Road, Shanghai, No. 388 Applicant before: Shanghai Alcatel-Lucent Co., Ltd. Applicant before: Alcatel Optical Networks Israe |
|
| CB02 | Change of applicant information | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |