CN106533634A - Method, base station and user equipment for dynamic hybrid automatic Repeat request (HARQ) load in carrier aggregation - Google Patents
Method, base station and user equipment for dynamic hybrid automatic Repeat request (HARQ) load in carrier aggregation Download PDFInfo
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- CN106533634A CN106533634A CN201510574922.8A CN201510574922A CN106533634A CN 106533634 A CN106533634 A CN 106533634A CN 201510574922 A CN201510574922 A CN 201510574922A CN 106533634 A CN106533634 A CN 106533634A
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- information
- base station
- serving cell
- carrier wave
- configured information
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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
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1896—ARQ related signaling
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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
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Arrangements for allocating sub-channels of the transmission path allocation of payload
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- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Quality & Reliability (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method, base station and user equipment for dynamic HARQ load in carrier aggregation wherein the method comprises. The base station transmits indication information through a physical downlink control channel (PDCCH) to the user equipment (UE) wherein the indication information includes the dispatching condition information of the carriers in each servicing cell so as to enable the UE to give ACK/NACK information back to the base station based on the indication information. According to the invention, the base station transmits the dispatching condition information indicating the carriers of each servicing cell to the UE and the UE, based on the dispatching condition information, determines the dispatching condition of each configured carrier and gives back ACK/NACK information on the already dispatched carriers to the base station, therefore, making the useful information carried in PUCCH/PUSCH channels more reliable.
Description
Technical field
The present invention relates to communication technical field, and in particular to dynamic HARQ in a kind of carrier aggregation
The method of load, base station and user equipment.
Background technology
In LTE Rel-10, the carrier aggregation of most 5 carrier waves is introduced to support maximum 100M
Bandwidth, each carrier wave are backward compatibility carrier waves, as shown in Figure 1.
The carrier aggregation for supporting more carrier numbers is introduced in Rel-13, and such as 32 carrier waves gather
The scene of conjunction.For FDD, maximum 32 carrier waves of feedback are needed in a subframe
Ack/Nack；For TDD, situation is more serious, and TDD system is different due to existing
Up-downgoing proportioning, and only in the Ack/Nack of sub-frame of uplink ability feeding back downlink PDSCH
Etc. control information, to different up-downgoing proportionings, a sub-frame of uplink may need feedback multiple
The Ack/Nack of descending sub frame, the relation are represented by table 1：
1 Ack/Nack feeding back downlinks of table and up corresponding relation
As can be seen from the table for configuration 2 and configuration 4, some sub-frame of uplink need feedback 4
The Ack/Nack of individual descending sub frame, for 5 one sub-frame of uplink of configuration are needed under feedback 9
The Ack/Nack of row subframe.
Therefore for Rel-13 carrier aggregations, the Ack/Nack feedback capacities of descending PDSCH are carried
Higher requirement is gone out.
For carrier aggregation scene, the Ack/Nack charge numbers of descending PDSCH are according to configuration
Carrier number determine, even if it is at a time to certain carrier wave and unscheduled, but still need
The Ack/Nack of the carrier wave is fed back, now, UE is still needed the carrier wave corresponding useless
Ack/Nack information is regarded as effective information and is fed back by PUCCH/PUSCH.So when user's
When portfolio is less, however it remains need the field of the larger Ack/Nack load informations of feedback
Scape, it reduces the reliability of PUCCH/PUSCH channel bearing useful informations.
The content of the invention
For defect of the prior art, the invention provides dynamic in a kind of carrier aggregation
The method of HARQ load, base station and user equipment, improve PUCCH/PUSCH channels and hold
Carry the reliability of useful information.
In a first aspect, the method that the present invention provides dynamic HARQ load in a kind of carrier aggregation,
Including：
Base station sends configured information by downlink control channel PDCCH to the UE,
The configured information includes the dispatch situation information of each Serving cell carrier wave, so that the UE
According to the configured information to the base station feedback ACK/NACK information.
Optionally, the base station to the UE send configured information before, methods described is also
Including：
The base station be the Serving cell configuration index value, the index value to the Serving cell
It is ranked up；
Accordingly, the base station is sent out to the UE by downlink control channel PDCCH
Configured information is sent, including：
The base station sends the rope with the Serving cell by the PDCCH to the UE
Draw the dispatch situation information of the corresponding Serving cell carrier wave of order of value.
Optionally, form of the configured information for bitmap.
Second aspect, present invention also offers dynamic HARQ load in a kind of carrier aggregation
Method, including：
User equipment (UE) receives the finger that base station is sent by downlink control channel PDCCH
Show information, the configured information includes the dispatch situation information of each Serving cell carrier wave；
The UE is according to the configured information to the base station feedback ACK/NACK information.
Optionally, the configured information is the order with the index value of the Serving cell of the UE
The dispatch situation information of corresponding Serving cell carrier wave；
Wherein, the order of the index value of the Serving cell is descending or ascending
Sequentially.
Optionally, after the configured information is received, methods described also includes the UE：
The UE obtains the index value with the Serving cell of the UE in the configured information
The dispatch situation information of corresponding Serving cell carrier wave；
Dispatch situation information of the UE according to the Serving cell carrier wave, and in the scheduling
The carrier wave dispatched is designated as in situation information, to the base station feedback ACK/NACK information.
The third aspect, present invention also offers a kind of base station, including：
Sending module, for being sent to the UE by downlink control channel PDCCH
Configured information, the configured information include the dispatch situation information of each Serving cell carrier wave.
Optionally, the base station also includes：
Order module, for for the Serving cell configuration index value, to the Serving cell
Index value is ranked up；
The sending module, for being sent and the clothes to the UE by the PDCCH
The dispatch situation information of the corresponding Serving cell carrier wave of order of the index value of business cell.
Fourth aspect, present invention also offers a kind of user equipment, including：
Receiver module, for receiving what base station was sent by downlink control channel PDCCH
Configured information, the configured information include the dispatch situation information of each Serving cell carrier wave；
Feedback module, user is according to the configured information to base station feedback ACK/NACK
Information.
Optionally, the feedback module, for the dispatch situation according to the Serving cell carrier wave
Information, and the carrier wave dispatched is designated as in the dispatch situation information, to the base station feedback
ACK/NACK information.
As shown from the above technical solution, dynamic HARQ in a kind of carrier aggregation that the present invention is provided
By sending to UE, the method for load, base station and user equipment, base station indicate that each service is little
The dispatch situation information of area's carrier wave, UE determine the dispatch situation of cell according to the schedule information,
And improve to base station feedback ACK/NACK information in scheduled cell
The reliability of PUCCH/PUSCH channel bearing useful informations.
Description of the drawings
Fig. 1 is the schematic diagram of LTE TDD and FDD Rel-10 carrier aggregations in prior art；
Dynamic HARQ load in a kind of carrier aggregation that Fig. 2 is provided for one embodiment of the invention
Method schematic flow sheet；
In a kind of carrier aggregation that Fig. 3 is provided for another embodiment of the present invention, dynamic HARQ is carried
The schematic flow sheet of the method for lotus；
The schematic diagram of the instruction scheduling carrier wave that Fig. 4 is provided for one embodiment of the invention.
Specific embodiment
Below in conjunction with the accompanying drawings, the specific embodiment to inventing is further described.Hereinafter implement
Example is only used for clearly illustrating technical scheme, and can not limit this with this
Bright protection domain.
Fig. 2 shows dynamic HARQ in a kind of carrier aggregation that one embodiment of the invention is provided
The schematic flow sheet of the method for load, as shown in Fig. 2 the method is comprised the following steps：
201st, base station is sent to the UE by downlink control channel PDCCH and indicates letter
Breath, the configured information includes the dispatch situation information of each Serving cell carrier wave, so that described
UE is according to the configured information to the base station feedback ACK/NACK information.
The base station described in above-mentioned steps 201 to the UE send configured information before, institute
Stating method also includes：
200th, the base station is the Serving cell configuration index value, to the Serving cell
Index value is ranked up；
Accordingly, base station described in above-mentioned steps 201 passes through downlink control channel
PDCCH sends configured information to the UE, including：
The base station sends the rope with the Serving cell by the PDCCH to the UE
Draw the dispatch situation information of the corresponding Serving cell carrier wave of order of value.
Said method is described in detail below by specific embodiment.
Increase a dispatch situation on the master scheduling carrier wave PCell of UE and indicate DCI, for referring to
Show dispatch situation of the present sub-frame to each carrier wave, which carrier wave UE knows after decoding the DCI
There is scheduling, which carrier wave does not have business to transmit.
By taking Fig. 4 as an example, scheduling carrier wave 1 is PCell, dispatches 3 secondary carriers, scheduling carrier wave
1 Serving cell index value is 0, and the Serving cell index value of three carrier waves of scheduling is respectively
1,3,5.The Serving cell index value of scheduling carrier wave 2 is 10, the clothes of 2 secondary carriers of scheduling
Business cell index value is respectively 15 and 18；Scheduling carrier wave 3 only carries out self scheduling, and its service is little
Area's index value is 20.Base station indicates DCI according to the order of Serving cell index value in dispatch situation
The form of middle use bitmap indicates the dispatch situation of each cell.It is in this example：Be by
The configured information of transmission is ranked up according to the ascending order of the index value of Serving cell, wherein
1 represents the carrier wave has scheduling, and 0 represents the carrier wave does not have scheduling, transmits without business, then
Understand according to Fig. 4, its configured information can be 110101000010000100101000
00000000, and the bit is processed and transmitted according to LTE DCI modes, UE is received
The dispatch situation of each carrier wave is known after the DCI, when PUCCH/PUSCH feeds back
ACK/NACK feedbacks can be carried out according to the situation of the carrier wave of actual schedule.
Increase a dispatch situation configured information on the master scheduling carrier wave PCell of said method UE
DCI, for indicating dispatch situation of the present sub-frame to each carrier wave, after UE decodes the DCI
Know which carrier wave has scheduling, which carrier wave does not have business to transmit.According to actual schedule
The quantity of PDSCH determines the ACK/NACK load quantity of feedback, improves
The reliability of PUCCH/PUSCH channel bearing useful informations.
During Fig. 3 shows a kind of carrier aggregation provided in an embodiment of the present invention, dynamic HARQ is carried
The schematic flow sheet of the method for lotus, as shown in figure 3, the method includes：
301st, user equipment (UE) is received base station and is sent by downlink control channel PDCCH
Configured information, the configured information includes the dispatch situation information of each Serving cell carrier wave；
302nd, the UE is believed to base station feedback ACK/NACK according to the configured information
Breath.
Specifically, the configured information in step 301 is the Serving cell with the UE
The dispatch situation information of the corresponding Serving cell carrier wave of order of index value；
Wherein, the order of the index value of the Serving cell is descending or ascending
Sequentially.
Specific above-mentioned steps 302 are specifically included：The UE is receiving the configured information
Afterwards, the UE obtains the index value with the Serving cell of the UE in the configured information
The dispatch situation information of corresponding Serving cell carrier wave；
Dispatch situation information of the UE according to the Serving cell carrier wave, and in the scheduling
When being designated as the carrier wave dispatched in situation information, to the base station feedback ACK/NACK information.
It will be appreciated that when using said method, reaching equivalent to base station and user equipment
One default protocol, the order of the index value of the Serving cell in the configured information is fixed
, it is descending or ascending, so that UE is when the configured information is received, according to
The index value of Serving cell finds the dispatch situation of Serving cell corresponding with index value, according to
There is the cell of business transmission to the base station feedback ACK/NACK information in scheduling.
The embodiment of the present invention additionally provides a kind of base station, including：
Sending module, for being sent to the UE by downlink control channel PDCCH
Configured information, the configured information include the dispatch situation information of each Serving cell carrier wave.
One of the present embodiment preferred embodiment in, the base station also includes：
Order module, for for the Serving cell configuration index value, to the Serving cell
Index value is ranked up；
The sending module, for being sent and the clothes to the UE by the PDCCH
The dispatch situation information of the corresponding Serving cell carrier wave of order of the index value of business cell.
The embodiment of the present invention additionally provides a kind of user equipment, including：
Receiver module, for receiving what base station was sent by downlink control channel PDCCH
Configured information, the configured information include the dispatch situation information of each Serving cell carrier wave；
Feedback module, user is according to the configured information to base station feedback ACK/NACK
Information.
One of the present embodiment preferred embodiment in, the feedback module, for basis
The dispatch situation information of the Serving cell carrier wave, and scheduling is designated as in the schedule information
Carrier wave when, to the base station feedback ACK/NACK information.
Above-mentioned base station is one-to-one with the method in above-mentioned Fig. 2, and the present embodiment is no longer to upper
The specific implementation details for stating base station are described in detail.Above-mentioned user equipment (UE) and above-mentioned Fig. 3
In method be it is one-to-one, the present embodiment no longer to above-mentioned user equipment being embodied as it is thin
Section is described in detail.
In the description of the present invention, a large amount of details are illustrated.It is to be appreciated, however, that this
Inventive embodiment can be put into practice in the case where not having these details.In some examples
In, known method, structure and technology is not been shown in detail, so as not to fuzzy to this specification
Understanding.
Finally it should be noted that：Various embodiments above only to illustrate technical scheme,
Rather than a limitation；Although being described in detail to the present invention with reference to foregoing embodiments,
It will be understood by those within the art that：Which still can be to described in foregoing embodiments
Technical scheme modify, or equivalent carried out to which part or all technical characteristic replace
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, which all should cover the claim and description in the present invention
In the middle of scope.
Claims (10)
1. in a kind of carrier aggregation dynamic HARQ load method, it is characterised in that include：
Base station sends configured information by downlink control channel PDCCH to the UE,
The configured information includes the dispatch situation information of each Serving cell carrier wave, so that the UE
According to the configured information to the base station feedback ACK/NACK information.
2. method according to claim 1, it is characterised in that the base station is to institute
Before stating UE transmission configured informations, methods described also includes：
The base station be the Serving cell configuration index value, the index value to the Serving cell
It is ranked up；
Accordingly, the base station is sent out to the UE by downlink control channel PDCCH
Configured information is sent, including：
The base station sends the rope with the Serving cell by the PDCCH to the UE
Draw the dispatch situation information of the corresponding Serving cell carrier wave of order of value.
3. method according to claim 1, it is characterised in that the configured information is
The form of bitmap.
4. in a kind of carrier aggregation dynamic HARQ load method, it is characterised in that include：
User equipment (UE) receives the finger that base station is sent by downlink control channel PDCCH
Show information, the configured information includes the dispatch situation information of each Serving cell carrier wave；
The UE is according to the configured information to the base station feedback ACK/NACK information.
5. method according to claim 4, it is characterised in that the configured information is
The scheduling feelings of Serving cell carrier wave corresponding with the order of the index value of the Serving cell of the UE
Condition information；
Wherein, the order of the index value of the Serving cell is descending or ascending
Sequentially.
6. method according to claim 4, it is characterised in that the UE is being received
To after the configured information, methods described also includes：
The UE obtains the index value with the Serving cell of the UE in the configured information
The dispatch situation information of corresponding Serving cell carrier wave；
Dispatch situation information of the UE according to the Serving cell carrier wave, and in the scheduling
When being designated as the carrier wave dispatched in situation information, to the base station feedback ACK/NACK information.
7. a kind of base station, it is characterised in that include：
Sending module, for being sent to the UE by downlink control channel PDCCH
Configured information, the configured information include the dispatch situation information of each Serving cell carrier wave.
8. base station according to claim 7, it is characterised in that the base station also includes：
Order module, for for the Serving cell configuration index value, to the Serving cell
Index value is ranked up；
The sending module, for being sent and the clothes to the UE by the PDCCH
The dispatch situation information of the corresponding Serving cell carrier wave of order of the index value of business cell.
9. a kind of user equipment, it is characterised in that include：
Receiver module, for receiving what base station was sent by downlink control channel PDCCH
Configured information, the configured information include the dispatch situation information of each Serving cell carrier wave；
Feedback module, user is according to the configured information to base station feedback ACK/NACK
Information.
10. user equipment according to claim 9, it is characterised in that the feedback mould
Block, for the dispatch situation information according to the Serving cell carrier wave, and in the dispatch situation
When being designated as the carrier wave dispatched in information, to the base station feedback ACK/NACK information.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510574922.8A CN106533634B (en) | 2015-09-10 | 2015-09-10 | method, base station and user equipment for dynamic HARQ load in carrier aggregation |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510574922.8A CN106533634B (en) | 2015-09-10 | 2015-09-10 | method, base station and user equipment for dynamic HARQ load in carrier aggregation |
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| CN106533634A true CN106533634A (en) | 2017-03-22 |
| CN106533634B CN106533634B (en) | 2020-01-31 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922935A (en) * | 2020-07-09 | 2022-01-11 | 联发科技股份有限公司 | Method and user equipment for cross-carrier HARQ management |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102469610A (en) * | 2010-11-16 | 2012-05-23 | 华为技术有限公司 | Method and device for feeding back and receiving response message in carrier aggregation |
| CN103856301A (en) * | 2014-02-21 | 2014-06-11 | 重庆邮电大学 | Implementation method for information feedback of UE end downlink HARQ in TD-LTE-A system |
| CN104065467A (en) * | 2010-05-03 | 2014-09-24 | 英特尔公司 | Configuring Component Carriers In Carrier Aggregation |
-
2015
- 2015-09-10 CN CN201510574922.8A patent/CN106533634B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065467A (en) * | 2010-05-03 | 2014-09-24 | 英特尔公司 | Configuring Component Carriers In Carrier Aggregation |
| CN102469610A (en) * | 2010-11-16 | 2012-05-23 | 华为技术有限公司 | Method and device for feeding back and receiving response message in carrier aggregation |
| CN103856301A (en) * | 2014-02-21 | 2014-06-11 | 重庆邮电大学 | Implementation method for information feedback of UE end downlink HARQ in TD-LTE-A system |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113922935A (en) * | 2020-07-09 | 2022-01-11 | 联发科技股份有限公司 | Method and user equipment for cross-carrier HARQ management |
| CN113922935B (en) * | 2020-07-09 | 2024-04-23 | 联发科技股份有限公司 | Method and user equipment for cross-carrier HARQ management |
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| CN106533634B (en) | 2020-01-31 |
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