CN102420683B - The defining method of ascending HARQ course combination and device - Google Patents
The defining method of ascending HARQ course combination and device Download PDFInfo
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Abstract
The invention discloses the determination method and apparatus of a kind of uplink hybrid automatic repeat request HARQ process combination, the method comprises: in all ascending HARQ course combinations of repeated link, select the ascending HARQ course matched with parameter preset to combine; Wherein, described parameter preset comprises following any one or more combination: 1 complete HARQ RTT repetition period ascending HARQ course time, HARQ RTT time delay, HARQ process number and HARQ RTT type.Adopt method provided by the invention can solve number of combinations too large, increase the problem of the complexity of system.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of determination method and device of uplink hybrid automatic repeat request HARQ process combination.
Background technology
LTE-A (Long Term Evolution Advanced, senior long evolving system) middle introducing RN (Relay Node, via node) add new link afterwards, corresponding term comprises: the link between base station eNode-B (being called for short eNB) and RN is called backhaullink (back haul link or repeated link), RN and UE (User Equipment, subscriber equipment) between link be called access link (access link), link between eNode-B and UE is called direct link (direct transfer link), concrete system configuration schematic diagram refers to Fig. 1.When adopting relaying inband-relay in band, eNode-B to relay link and relay to UE link operation are in identical frequency resource.But, because inband-relay launching opportunity produces interference (self-interference) to the receiver of oneself, so eNode-B to relay link is impossible with relay to UE link in identical frequency resource, unless there are enough Signal separator and isolation between antennas simultaneously.Similar, launch to eNode-B again while the data that relay also can not launch at reception UE.The solution of a possible transmitting-receiving interference problem makes relay when receiving the data from eNode-B, firing operation is not carried out to UE, that is need to increase time slot " gap " after relay to UE link, by configuration MBSFN subframe (Multicast Broadcast Single FrequencyNetwork subframe, Multicast Broadcast Single Frequency Network subframe) for backhaul subframe, UE is made not carry out any reception/firing operation in " gap " time range, and Relay completes the switching being transmitted into reception in " gap " time range, at OFDM (Orthogonal Frequency Division Multiplex below after having switched, OFDM) symbol receives from the data of eNB.In LTE, adopt MBSFN subframe for backhaul subframe at present, its concrete mode is: MCE (MBMS ControlEntity, multimedia control entity) first configure available MBSFNsubframe to eNode-B, eNode-B configures available backhaul subframe again in the MBSFN subframe that these are available.
See Fig. 2, can find out, according to current LTE (Long Term Evolution, long evolving system) in regulation, 1 10ms radio frames frame is made up of the subframe subframe of 10 1ms, each subframe subframe comprises several OFDM symbol, comprise Unicast (clean culture) and Multicast Broadcast (multicast and broadcast), wherein at FDD (Frequency Division Duplex, Frequency Division Duplexing (FDD)) mode time, #0, #5 subframe is used as to launch synchronizing signal, and #4, #9 subframe is used as paging paging paging, at TDD (Time Division Duplex, time division duplex) mode time, #0, #5 subframe is used as to launch synchronizing signal, and #1, #6 subframe is used as paging paging, that is for FDD{#0, #4, #5, #9} subframe, TDD{#0, #1, #5, #6} subframe has above-mentioned special purpose, so the distribution of MBSFN subframe can not be used for, namely in 1 radio frames frame, assignable MBSFN subframe mostly is 6 subframe subframe most.
In LTE system, between subscriber equipment and base station, the transmission of data is needed set up HARQ (Hybrid Automatic Repeat Request, hybrid automatic repeat-request) process and feed back accordingly.After base station receives the data of subscriber equipment, base station generates downlink feedback information (referring to confirmed/non-confirmed ACK/NACK:Acknowledgement/Negative Acknowledgement) according to decoding cases or uplink authorization information ULgrant (mainly comprises NDI (New Data Indicator, new data indicate), MCS (Modulation and Coding Scheme, Modulation and Coding Scheme), RA (ResourceAllocation, Resourse Distribute) etc. information), and described Info Down is sent to subscriber equipment.Subscriber equipment is for further processing according to the information received, if receive ACK or NDI=1 or 0, then continues the new data of transmission, if receive NACK or NDI=0 or 1, then by identical HARQ process, data is resend to base station.
That is, repeated link, because can not use FDD{#0, #4, #5, #9} descending sub frame, can not use FDD{#4, #8, #9, #3} sub-frame of uplink accordingly.Design at present for ascending HARQ mainly comprises the lower sub-frame of uplink combination only using 8ms or 16ms multiple, namely suppose within the scope of 40ms, descending sub frame 8 set comprise { (#7#23#31), (#6#22#38), (#13#21#37), (#12#28#36), (#3#11#27), (#2#18#26), (#1#17#33), (#8#16#32) }, corresponding sub-frame of uplink 8 set comprise { (#11#27#35), (#10#26#42), (#17#25#41), (#16#32#40), (#7#15#31), (#6#22#30), (#5#21#37), (#12#20#36) }, the subframe being wherein greater than " 40 " can ask modular arithmetic to " 40 " in computational process, such as mod (42, 40)=2.In fact, 1 corresponding 1 sub-frame of uplink set of descending sub frame set, also just say from lower sub-frame of uplink Set Global, totally 8 lower sub-frame of uplink set, then different collective combinations situation together comprises a 8 powers combination (i.e. 256 combinations) of 2 altogether.The ascending HARQ course number that different combinations is corresponding different, and 256 number of combinations are too large, this will increase the complexity of system.
Concrete, index of set is as shown in table 1, but is not limited to described corresponding relation between set and index of set.Just have the bit map bitmap mode of 8 bits when carrying out sub-frame allocation, the index of set that namely binary system of 8bits is corresponding different respectively, as long as receiving terminal obtains index of set also just obtain sub-frame configuration.
Table 1
| Index of set | Lower row set | Upper row set |
| 0 | (#7#23#31) | (#11#27#35) |
| 1 | (#6#22#38) | (#10#26#42) |
| 2 | (#13#21#37) | (#17#25#41) |
| 3 | (#12#28#36) | (#16#32#40) |
| 4 | (#3#11#27) | (#7#15#31) |
| 5 | (#2#18#26) | (#6#22#30) |
| 6 | (#1#17#33) | (#5#21#37) |
| 7 | (#8#16#32) | (#12#20#36) |
Concrete, HARQ process number corresponding to 256 combined situation is as shown in table 2, combination configuration wherein in the 1st row uses the decimal system, the binary system of the 8bits that such as " 170 " represent is " 10101010 ", then represent index of set be " 7 ", " 5 ", " 3 ", " 1 " correspondence collective combinations together.
Table 2
DL subframe number=10*SFN+DL subframe index wherein
UL subframe number＝10*SFN+UL subframe index
Wherein, SFN represents System Frame Number System Frame Number;
DL subframe index represents the index of 10 subframe that 1 frame comprises, and its scope is (#0, #1, #2, #3, #4, #5, #6, #7, #8, #9);
UL subframe index represents the index of 10 subframe that 1 frame comprises, and its scope is (#0, #1, #2, #3, #4, #5, #6, #7, #8, #9).
Too large for number of combinations in correlation technique, increase the problem of the complexity of system, not yet propose effective solution at present.
Summary of the invention
A kind of determination method that main purpose of the present invention is to provide HARQ process to combine and device, too large at least to solve combinations thereof quantity, increase the problem of the complexity of system.
According to an aspect of the present invention, provide the determination method of a kind of HARQ process combination, comprising:
In all ascending HARQ course combinations of repeated link, the ascending HARQ course matched with parameter preset is selected to combine;
Wherein, described parameter preset comprises following any one or more combination: 1 complete HARQ RTT repetition period ascending HARQ course time, HARQ RTT time delay, HARQ process number and HARQ RTT type.
Preferably, select the ascending HARQ course matched with parameter preset to combine, comprising: the ascending HARQ course combination selecting to have the identical HARQ RTT repetition period.
Preferably, the described HARQ RTT repetition period is the integral multiple of 10ms or 40ms.
Preferably, select the ascending HARQ course matched with parameter preset to combine, comprising:
Data re-transmission average delay in described all ascending HARQ course combinations is selected to be less than the ascending HARQ course combination of delay threshold; Or
Select k secondary data re-transmission average delay before in described all ascending HARQ course combinations to be less than the ascending HARQ course combination of described delay threshold, wherein, k equals data retransmission times in 40ms time range.
Preferably, described k=1 or k=2 or k=3 or k=4.
Preferably, select the ascending HARQ course matched with parameter preset to combine, comprising: select the ascending HARQ course combination that HARQ process number is maximum or minimum within the set time.
Preferably, described set time scope be following one of arbitrarily: front 8 subframe time scopes of every 40ms; Rear 8 subframe time scopes of every 40ms; Front 1 subframe time scope of every 40ms, rear 7 subframe time scopes; Front 7 subframe time scopes of every 40ms, rear 1 subframe time scope; Front 9 subframe time scopes of every 40ms; Or, rear 9 subframe time scopes of every 40ms; Front 1 subframe time scope of every 40ms, rear 8 subframe time scopes; Front 8 subframe time scopes of every 40ms, rear 1 subframe time scope.
Preferably, select the ascending HARQ course matched with parameter preset to combine, comprising: select the ascending HARQ course combination that the set number in HARQ process number and the combination of corresponding HARQ process is equal.
Preferably, the numerical value of the set number in described HARQ process number and the combination of corresponding HARQ process all belongs to 0,1,2,3,4,5,6,7,8}.
Preferably, select the ascending HARQ course matched with parameter preset to combine, comprising: selection HARQ process number is the ascending HARQ course combination of even number or odd number.
Preferably, when selecting HARQ process number to be the ascending HARQ course combination of even number, described HARQ process number be 0,1,2,3,4,5,6,7, any even number in 8};
When selecting HARQ process number to be the ascending HARQ course combination of odd number, described HARQ process number be 0,1,2,3,4,5,6,7, any odd number in 8}.
Preferably, select the ascending HARQ course matched with parameter preset to combine, comprising: selection HARQ process number is less than or equals or be greater than or be less than or equal to or be more than or equal to the ascending HARQ course combination of the first process threshold value.
Preferably, described first process threshold value be 0,1,2,3,4,5,6,7, Arbitrary Digit in 8}.
Preferably, select the ascending HARQ course matched with parameter preset combine, comprising: select HARQ process number within the set time to be less than or to equal or the ascending HARQ course that is greater than or is less than or equal to or be more than or equal to the second process threshold value combines.
Preferably, described second process threshold value be 0,1,2,3,4,5,6,7, Arbitrary Digit in 8}.
Preferably, select the ascending HARQ course matched with parameter preset to combine, comprising: selection HARQ RTT type is the ascending HARQ course combination of fixed value or variable value.
Preferably, after the ascending HARQ course that selection and parameter preset match combines, also comprise: the state retaining the combination of non-selected ascending HARQ course; Or
Add the ascending HARQ course combination that HARQ RTT is the downlink or uplink set formation of 8ms, 16ms or 10ms.
Preferably, after the ascending HARQ course that selection and parameter preset match combines, also comprise: in the ascending HARQ course combination selected, select any one or more subset to form new ascending HARQ course combination.
According to an aspect of the present invention, provide the determination device of a kind of HARQ process combination, comprising:
Memory cell, for storing parameter preset, described parameter preset comprises following any one or more combination: the HARQ RTT repetition period, HARQ RTT time delay, HARQ process number and HARQ RTT type;
Selected cell, in all ascending HARQ course combinations of repeated link, selects the ascending HARQ course matched with described parameter preset to combine.
Preferably, described selected cell is for selecting the ascending HARQ course combination with the identical HARQ RTT repetition period.
Preferably, described selected cell is used for:
Data re-transmission average delay in described all ascending HARQ course combinations is selected to be less than the ascending HARQ course combination of delay threshold; Or
Select k secondary data re-transmission average delay before in described all ascending HARQ course combinations to be less than the ascending HARQ course combination of described delay threshold, wherein, k equals data retransmission times in 40ms time range.
Preferably, described selected cell is for selecting the ascending HARQ course combination that HARQ process number is maximum or minimum within the set time.
Preferably, described selected cell is for selecting the ascending HARQ course combination that the set number in HARQ process number and the combination of corresponding HARQ process is equal.
Preferably, described selected cell for select HARQ process number be even number or odd number ascending HARQ course combination.
Preferably, described selected cell for select HARQ process number to be less than equal or be greater than or be less than or equal to or be more than or equal to the first process threshold value ascending HARQ course combination.
Preferably, described selected cell for select HARQ process number within the set time to be less than equal or be greater than or be less than or equal to or be more than or equal to the second process threshold value ascending HARQ course combination.
Preferably, described selected cell for select HARQ RTT type be fixed value or variable value ascending HARQ course combination.
Preferably, also comprise:
Stick unit, for retaining the state of non-selected ascending HARQ course combination;
Adding device, for adding the ascending HARQ course combination that HARQ RTT is the downlink or uplink set formation of 8ms, 16ms or 10ms.
Adopt the method that the embodiment of the present invention provides, the all ascending HARQ course combinations of parameter preset to repeated link are utilized to select, select the ascending HARQ course matched with parameter preset to combine, thus the number of ascending HARQ course combination can be reduced, and then reduce the complexity of system.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide a further understanding of the present invention, and form a application's part, schematic description and description of the present invention, for explaining the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 be introduce RN in the LTE-A that provides of correlation technique after system configuration schematic diagram;
Fig. 2 is the structural representation of the radio frames that correlation technique provides;
Fig. 3 is the flow chart of the defining method of the ascending HARQ course combination that the embodiment of the present invention provides;
The HARQ process schematic diagram that Fig. 4 is HARQ RTT that the embodiment of the present invention provides when being 40ms;
Fig. 5 be the process number that provides of the embodiment of the present invention equal with corresponding set number time HARQ process schematic diagram;
The HARQ process schematic diagram of the combination that the descending and/or upper row set of Fig. 6 to be interpolation HARQ RTT that the embodiment of the present invention provides be 8ms or 16ms is formed;
The HARQ process schematic diagram of the combination that the descending and/or upper row set of Fig. 7 to be interpolation HARQ RTT that the embodiment of the present invention provides be 10ms is formed;
Fig. 8 is the first structural representation of the determining device of the ascending HARQ course combination that the embodiment of the present invention provides;
Fig. 9 is the second structural representation of the determining device of the ascending HARQ course combination that the embodiment of the present invention provides.
Embodiment
Hereinafter also describe the present invention in detail with reference to accompanying drawing in conjunction with the embodiments.It should be noted that, when not conflicting, the embodiment in the application and the feature in embodiment can combine mutually.
Mention in the related, in LTE system, between subscriber equipment and base station, the transmission of data needed to set up HARQ process and feed back accordingly or transfer of data, but the number of combinations that the ascending HARQ course combined method used in correlation technique generates is too large, this will increase the complexity of system, for solving the problems of the technologies described above, embodiments provide the defining method of a kind of ascending HARQ course combination, be applied to as shown in Figure 1 in system, wherein, be connected by the link that direct transfers between user terminal with base station, be connected by back haul link between base station with via node, be connected by access link between via node with user terminal, concrete handling process is as shown in Figure 3:
Step 302, parameter preset is set, wherein, parameter preset comprises following any one or more combination: HARQ RTT (Hybrid Automatic Repeat Request RoundTrip Time, 1 complete uplink hybrid automatic repeat request process-time) repetition period, HARQ RTT time delay, HARQ process number and HARQ RTT type;
Step 304, in all ascending HARQ courses combination of repeated link, the ascending HARQ course matched with parameter preset is selected to combine.
Adopt flow process as shown in Figure 3, the all ascending HARQ course combinations of parameter preset to repeated link are utilized to select, select the ascending HARQ course matched with parameter preset to combine, thus the number of ascending HARQ course combination can be reduced, and then reduce the complexity of system.
Step 304 is when implementing, select to combine can there is multiple choices mode according to the different of parameter preset from the ascending HARQ course that parameter preset matches, such as, in one embodiment, select the ascending HARQ course matched with parameter preset to combine, the ascending HARQ course combination with the identical HARQ RTT repetition period can be selected.Wherein, the HARQ RTT repetition period can for the time value of specifying arbitrarily, and preferably, the HARQ RTT repetition period is the integral multiple of 10ms or 40ms, such as, and 10ms, 80ms, 120ms etc.
Again such as, in one embodiment, select the ascending HARQ course matched with parameter preset to combine, during all ascending HARQ courses can be selected to combine, data re-transmission average delay is less than the ascending HARQ course combination of delay threshold; Or before in selecting all ascending HARQ courses to combine, k secondary data retransmits the ascending HARQ course combination that average delay is less than delay threshold, and wherein, k equals data retransmission times in 40ms time range.Preferably, k can take off the value of row any one: k=1 or k=2 or k=3 or k=4.
Also such as, in one embodiment, select the ascending HARQ course matched with parameter preset to combine, the ascending HARQ course combination that HARQ process number is maximum or minimum within the set time can be selected.Preferably, set time scope be following one of arbitrarily: front 8 subframe time scopes of every 40ms; Rear 8 subframe time scopes of every 40ms; Front 1 subframe time scope of every 40ms, rear 7 subframe time scopes; Front 7 subframe time scopes of every 40ms, rear 1 subframe time scope; Front 9 subframe time scopes of every 40ms; Or, rear 9 subframe time scopes of every 40ms; Front 1 subframe time scope of every 40ms, rear 8 subframe time scopes; Front 8 subframe time scopes of every 40ms, rear 1 subframe time scope.
Again such as, in one embodiment, select the ascending HARQ course matched with parameter preset to combine, the ascending HARQ course combination that the set number in HARQ process number and the combination of corresponding HARQ process is equal can be selected.Preferably, the numerical value of the set number in HARQ process number and the combination of corresponding HARQ process all belongs to 0,1,2,3,4,5,6,7,8}.
Again such as, in one embodiment, select the ascending HARQ course matched with parameter preset combine, HARQ process number can be selected to be that the ascending HARQ course of even number or odd number combines.Preferably, when selecting HARQ process number to be the ascending HARQ course combination of even number, HARQ process number be 0,1,2,3,4,5,6,7, any even number in 8}; When selecting HARQ process number to be the ascending HARQ course combination of odd number, HARQ process number be 0,1,2,3,4,5,6,7, any odd number in 8}.
Again such as, select the ascending HARQ course matched with parameter preset combine, HARQ process number can be selected to be less than or to equal or the ascending HARQ course that is greater than or is less than or equal to or be more than or equal to the first process threshold value combines.Preferably, the first process threshold value be 0,1,2,3,4,5,6,7, Arbitrary Digit in 8}.
Again such as, in one embodiment, select the ascending HARQ course matched with parameter preset combine, HARQ process number within the set time can be selected to be less than or to equal or the ascending HARQ course that is greater than or is less than or equal to or be more than or equal to the second process threshold value combines.Preferably, the second process threshold value be 0,1,2,3,4,5,6,7, Arbitrary Digit in 8}.
Again such as, in one embodiment, select the ascending HARQ course matched with parameter preset combine, HARQ RTT type can be selected to be that the ascending HARQ course of fixed value or variable value combines.
In one embodiment, after the ascending HARQ course that selection and parameter preset match combines, can also comprise: the state retaining the combination of non-selected ascending HARQ course; Or, add the ascending HARQ course combination that HARQ RTT is the downlink or uplink set formation of 8ms, 16ms or 10ms.
In one embodiment, after the ascending HARQ course that selection and parameter preset match combines, can also comprise: in the ascending HARQ course combination selected, select any one or more subset to form new ascending HARQ course combination; That is, in the combination selected, select random subset all can form new combination, to reduce the number of ascending HARQ course combination further, reduce the complexity of system.
In embodiments of the present invention, after the ascending HARQ course that selection and parameter preset match combines, the ascending HARQ course selected is utilized to be combined in subscriber equipment, between via node and base station, to carry out the transmission of data.
Now be described with the defining method of several specific embodiment to the ascending HARQ course combination that the embodiment of the present invention provides.
Example one: the HARQ RTT repetition period is 40ms
The ascending HARQ course time that 1 of repeated link is complete, (RTT, was expressed as the time interval being transferred to for the 1st time and retransmitting for the 2nd time, or retransmits to the time interval retransmitted for the 3rd time for the 2nd time, by that analogy).The combination now selecting in all possible HARQ process combination (as shown in table 2) to have the identical HARQ RTT repetition period forms new HARQ process combination.
The HARQ RTT repetition period refers to that HARQ RTT has periodically, as shown in Figure 4, has 6 processes, and be the most mostly retransmitted 3 times within the 40ms time in the 1st 40ms, and the 2nd 40ms is the periodicity repetition of the 1st 40ms.
Concrete, the HARQ RTT repetition period is that the HARQ process number of the combination of 40ms and correspondence is as shown in the table.
Table three
Example two: average delay is less than time delay thresholding
The combination now selecting data re-transmission average delay in all possible HARQ process combination to be less than time delay thresholding forms new HARQ process combination.
Concrete, the HARQ process number that average delay is less than the combination of time delay thresholding and correspondence is as shown in the table.
Table four
Example three: within the scope of the set time, process is maximum
The combination that before being fixed in all possible HARQ process combination, within the scope of 8 or front 9 subframe time, HARQ process number is maximum is now selected to form new HARQ process combination.
Concrete, the HARQ process number being fixed on combination that within the scope of front 8 subframe time, HARQ process number is maximum and correspondence is as shown in the table.(following row set is benchmark, within the scope of front 8 subframe time, search descending sub frame number)
Table five
Concrete, the HARQ process number being fixed on combination that within the scope of front 9 subframe time, HARQ process number is maximum and correspondence is as shown in the table.(following row set is benchmark, within the scope of front 9 subframe time, search descending sub frame number)
Table six
Concrete, the HARQ process number being fixed on combination that within the scope of front 8 or front 9 subframe time, HARQ process number is maximum and correspondence is as shown in the table.(above row set is benchmark, within the scope of front 8 or front 9 subframe time, search sub-frame of uplink number)
Table six
Example four: process number is equal with corresponding set number
HARQ process number in all possible HARQ process combination is now selected (to suppose to be designated as and m) (suppose to be designated as n) equal combination with the set number in corresponding combination and form new HARQ process combination.Suppose that m and n is respectively 0,1,2,3,4,5,6.
When process number m is equal with corresponding set number n, the HARQ process impact on access link (Uu link) of the HARQ process of repeated link (Un link) is minimum, and can ensure the HARQ process number of Un link and the HARQ process number of Uu link and be " 8 ".Schematic diagram shown in Figure 5, the HARQ process number of Un link is 5, have impact on 0 of Uu link respectively, 1,5,6,7 processes, and namely the HARQ process number of Un link is equal with the process number that it affects Uu link; The HARQ process number of Uu link is 3,2,3 of the corresponding Uu link of difference, 4 processes.
Concrete, the HARQ process number of the combination that process number m is equal with corresponding set number n and correspondence is as shown in the table.
Table seven
Example five: process number is less than or equal to specific integer, is namely less than the first process threshold value
Now select HARQ process number in all possible HARQ process combination to be less than or equal to combination corresponding to the first process threshold value L and form new HARQ process combination.Suppose L=4.
Concrete, process number be less than or equal to 4 combination and the HARQ process number of correspondence as shown in the table.
Table eight
Example six: HARQ RTT is variable value
HARQ RTT in all possible HARQ process combination is now selected to be that the combination that variable value is corresponding forms new HARQ process combination.
Concrete, HARQ RTT is that the HARQ process number of the combination of variable value and correspondence is as shown in the table.
Table nine
Example seven: determined by 2 kinds of described parameter presets
The ascending HARQ course of repeated link combined by the HARQ RTT repetition period, and/or by HARQ RTT time delay, and/or maximum or minimum by the HARQ process number be fixed within the scope of regular time, and/or determined by HARQ process number.Determine that combination essence determines combination respectively to many factors by many factors, the common factor getting combination afterwards forms new combination, here only wherein 2 parameter presets are illustrated (the HARQ RTT repetition period is 40ms, and HARQ process number is less than or equal to " 4 ").
Concrete, the HARQ RTT repetition period is 40ms, and HARQ process number is less than or equal to " 4 ") combination and the HARQ process number of correspondence as shown in the table.
Table ten
Example eight: the state reservation that combination is corresponding, or add other combinations
See example four, the number of combinations wherein satisfied condition is 209, number of combinations theoretical value is 256, the number of combinations then not meeting example four restrictive condition is 47, the state reservation that now these 47 combinations are corresponding, or the combination adding that HARQ RTT is the descending and/or upper row set formation of 8ms or 16ms or 10ms.
Concrete, we are to combine the configuration decimal system " 255 " for being described, the combination configuration decimal system " 255 " is 47 theoretical combinations not meeting in the combination of restrictive condition, the binary system of the combination configuration decimal system " 255 " correspondence is " 11111111 ", then this binary condition retains, wait until later release communication system to use, so that the upgrading of system, increase the versatility of system; Or add the combination that HARQ RTT is the descending and/or upper row set formation of 8ms or 16ms as shown in Figure 6, be described for process 0, retransmit corresponding RTT its 3 times and be respectively 16ms, 16ms, 8ms; Or add the combination that HARQRTT is the descending and/or upper row set formation of 10ms as shown in Figure 7, be described for process 1, retransmit corresponding RTT 10ms, 10ms, 10ms, 10ms respectively for its 4 times.
Example nine: select the random subset of combination all to can be used as new combination.
See example four, the number of combinations wherein satisfied condition is 209, and the subset of described 209 combinations can be used as new combination, shown in table specific as follows, removes the combination (totally 208 combinations) that combination configuration 0 is formed.
Table ten one
Based on same inventive concept, the embodiment of the present invention additionally provides the determination device of a kind of uplink hybrid automatic repeat request HARQ process combination, and concrete structure as shown in Figure 8, comprising:
Memory cell 801, for storing parameter preset, parameter preset comprises following any one or more combination: the HARQ RTT repetition period, HARQ RTT time delay, HARQ process number and HARQ RTT type;
Selected cell 802, in all ascending HARQ course combinations of repeated link, selects the ascending HARQ course matched with parameter preset to combine;
In one embodiment, the ascending HARQ course that selected cell 802 may be used for selecting to have the identical HARQ RTT repetition period combines.
In one embodiment, during selected cell 802 may be used for selecting all ascending HARQ courses to combine, data re-transmission average delay is less than the ascending HARQ course combination of delay threshold; Or before in selecting all ascending HARQ courses to combine, k secondary data retransmits the ascending HARQ course combination that average delay is less than delay threshold, and wherein, k equals data retransmission times in 40ms time range.
In one embodiment, selected cell 802 may be used for selecting the ascending HARQ course combination that HARQ process number is maximum or minimum within the set time.
In one embodiment, selected cell 802 may be used for selecting the equal ascending HARQ course of the set number in HARQ process number and the combination of corresponding HARQ process to combine.
In one embodiment, selected cell 802 may be used for the ascending HARQ course combination that selection HARQ process number is even number or odd number.
In one embodiment, selected cell 802 may be used for the ascending HARQ course combination selecting HARQ process number to be less than or equal or be greater than or be less than or equal to or be more than or equal to the first process threshold value.
In one embodiment, selected cell 802 may be used for the ascending HARQ course combination that selection HARQ process number within the set time is less than or equals or be greater than or be less than or equal to or be more than or equal to the second process threshold value.
In one embodiment, selected cell 802 may be used for the ascending HARQ course combination that selection HARQ RTT type is fixed value or variable value.
In one embodiment, as shown in Figure 9, the determining device of ascending HARQ course combination can also comprise:
Stick unit 901, for retaining the state of non-selected ascending HARQ course combination;
Adding device 902, for adding the ascending HARQ course combination that HARQ RTT is the downlink or uplink set formation of 8ms, 16ms or 10ms.
As can be seen from the above description, present invention achieves following technique effect:
In the above-described embodiments, the all ascending HARQ course combinations of parameter preset to repeated link are utilized to select, select the ascending HARQ course matched with parameter preset to combine, thus the number of ascending HARQ course combination can be reduced, and then reduce the complexity of system.
Obviously, those skilled in the art should be understood that, above-mentioned of the present invention each module or each step can realize with general calculation element, they can concentrate on single calculation element, or be distributed on network that multiple calculation element forms, alternatively, they can realize with the executable program code of calculation element, thus, they can be stored and be performed by calculation element in the storage device, and in some cases, step shown or described by can performing with the order be different from herein, or they are made into each integrated circuit modules respectively, or the multiple module in them or step are made into single integrated circuit module to realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (28)
1. a determination method for uplink hybrid automatic repeat request HARQ process combination, is characterized in that, comprising:
In all ascending HARQ course combinations of repeated link, the ascending HARQ course matched with parameter preset is selected to combine;
Wherein, described parameter preset comprises following any one or more combination: 1 complete HARQ RTT repetition period ascending HARQ course time, HARQRTT time delay, HARQ process number and HARQ RTT type;
The ascending HARQ course selected is utilized to be combined in subscriber equipment, between via node and base station, to carry out the transmission of data.
2. method according to claim 1, is characterized in that, selects the ascending HARQ course matched with parameter preset to combine, comprising: select the ascending HARQ course combination with the identical HARQRTT repetition period.
3. method according to claim 2, is characterized in that, the described HARQ RTT repetition period is the integral multiple of 10ms or 40ms.
4. method according to claim 1, is characterized in that, selects the ascending HARQ course matched with parameter preset to combine, comprising:
Data re-transmission average delay in described all ascending HARQ course combinations is selected to be less than the ascending HARQ course combination of delay threshold; Or
Select k secondary data re-transmission average delay before in described all ascending HARQ course combinations to be less than the ascending HARQ course combination of described delay threshold, wherein, k equals data retransmission times in 40ms time range.
5. method according to claim 4, is characterized in that, described k=1 or k=2 or k=3 or k=4.
6. method according to claim 1, is characterized in that, selects the ascending HARQ course matched with parameter preset to combine, comprising: select the ascending HARQ course combination that HARQ process number is maximum or minimum within the set time.
7. method according to claim 6, is characterized in that, described set time scope be following one of arbitrarily: front 8 subframe time scopes of every 40ms; Rear 8 subframe time scopes of every 40ms; Front 1 subframe time scope of every 40ms, rear 7 subframe time scopes; Front 7 subframe time scopes of every 40ms, rear 1 subframe time scope; Front 9 subframe time scopes of every 40ms; Or, rear 9 subframe time scopes of every 40ms; Front 1 subframe time scope of every 40ms, rear 8 subframe time scopes; Front 8 subframe time scopes of every 40ms, rear 1 subframe time scope.
8. method according to claim 1, is characterized in that, selects the ascending HARQ course matched with parameter preset to combine, comprising: select the ascending HARQ course combination that the set number in HARQ process number and the combination of corresponding HARQ process is equal.
9. method according to claim 8, is characterized in that, the numerical value of the set number in described HARQ process number and the combination of corresponding HARQ process all belongs to 0,1,2,3,4,5,6,7,8}.
10. method according to claim 1, is characterized in that, selects the ascending HARQ course matched with parameter preset to combine, comprising: selection HARQ process number is the ascending HARQ course combination of even number or odd number.
11. methods according to claim 10, is characterized in that,
When selecting HARQ process number to be the ascending HARQ course combination of even number, described HARQ process number be 0,1,2,3,4,5,6,7, any even number in 8};
When selecting HARQ process number to be the ascending HARQ course combination of odd number, described HARQ process number be 0,1,2,3,4,5,6,7, any odd number in 8}.
12. methods according to claim 1, it is characterized in that, select the ascending HARQ course matched with parameter preset to combine, comprising: selection HARQ process number is less than or equals or be greater than or be less than or equal to or be more than or equal to the ascending HARQ course combination of the first process threshold value.
13. methods according to claim 12, is characterized in that, described first process threshold value be 0,1,2,3,4,5,6,7, Arbitrary Digit in 8}.
14. methods according to claim 1, it is characterized in that, select the ascending HARQ course matched with parameter preset combine, comprising: select HARQ process number within the set time to be less than or to equal or the ascending HARQ course that is greater than or is less than or equal to or be more than or equal to the second process threshold value combines.
15. methods according to claim 14, is characterized in that, described second process threshold value be 0,1,2,3,4,5,6,7, Arbitrary Digit in 8}.
16. methods according to claim 1, is characterized in that, select the ascending HARQ course matched with parameter preset to combine, comprising: selection HARQ RTT type is the ascending HARQ course combination of fixed value or variable value.
17. methods according to any one of claim 1 to 16, is characterized in that, select after the ascending HARQ course matched with parameter preset combine, also to comprise: retain the state that non-selected ascending HARQ course combines; Or
Add the ascending HARQ course combination that HARQ RTT is the downlink or uplink set formation of 8ms, 16ms or 10ms.
18. methods according to any one of claim 1 to 16, it is characterized in that, after the ascending HARQ course that selection and parameter preset match combines, also comprise: in the ascending HARQ course combination selected, select any one or more subset to form new ascending HARQ course combination.
The determination device of 19. 1 kinds of uplink hybrid automatic repeat request HARQ process combinations, is characterized in that, comprising:
Memory cell, for storing parameter preset, described parameter preset comprises following any one or more combination: the HARQ RTT repetition period, HARQ RTT time delay, HARQ process number and HARQ RTT type;
Selected cell, in all ascending HARQ course combinations of repeated link, selects the ascending HARQ course matched with described parameter preset to combine;
Described determining device, also for utilizing the ascending HARQ course of selection to be combined in subscriber equipment, carrying out the transmission of data between via node and base station.
20. devices according to claim 19, is characterized in that, described selected cell is for selecting the ascending HARQ course combination with the identical HARQ RTT repetition period.
21. devices according to claim 19, is characterized in that, described selected cell is used for:
Data re-transmission average delay in described all ascending HARQ course combinations is selected to be less than the ascending HARQ course combination of delay threshold; Or
Select k secondary data re-transmission average delay before in described all ascending HARQ course combinations to be less than the ascending HARQ course combination of described delay threshold, wherein, k equals data retransmission times in 40ms time range.
22. devices according to claim 19, is characterized in that, described selected cell is for selecting the ascending HARQ course combination that HARQ process number is maximum or minimum within the set time.
23. devices according to claim 19, is characterized in that, described selected cell is for selecting the ascending HARQ course combination that the set number in HARQ process number and the combination of corresponding HARQ process is equal.
24. devices according to claim 19, is characterized in that, described selected cell for select HARQ process number be even number or odd number ascending HARQ course combination.
25. devices according to claim 19, is characterized in that, described selected cell for select HARQ process number to be less than equal or be greater than or be less than or equal to or be more than or equal to the first process threshold value ascending HARQ course combination.
26. devices according to claim 19, it is characterized in that, described selected cell for select HARQ process number within the set time to be less than equal or be greater than or be less than or equal to or be more than or equal to the second process threshold value ascending HARQ course combination.
27. devices according to claim 19, is characterized in that, described selected cell for select HARQ RTT type be fixed value or variable value ascending HARQ course combination.
28., according to claim 19 to the device described in 27 any one, is characterized in that, also comprise:
Stick unit, for retaining the state of non-selected ascending HARQ course combination;
Adding device, for adding the ascending HARQ course combination that HARQ RTT is the downlink or uplink set formation of 8ms, 16ms or 10ms.
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| CN104185963B (en) * | 2013-01-21 | 2018-03-13 | 华为技术有限公司 | Hybrid automatic repeat-request feedback method, base station and user equipment |
| CN105721116A (en) * | 2014-12-04 | 2016-06-29 | 中兴通讯股份有限公司 | HARQ (hybrid automatic repeat request) process number distribution method and device |
| EP3273633B1 (en) * | 2016-06-28 | 2021-05-05 | HTC Corporation | Device and method of handling uplink transmission |
| CN112470416A (en) * | 2018-11-02 | 2021-03-09 | Oppo广东移动通信有限公司 | Wireless communication method, terminal equipment and network equipment |
| WO2022027662A1 (en) * | 2020-08-07 | 2022-02-10 | 华为技术有限公司 | Data scheduling method, apparatus, and system |
| CN112187419B (en) * | 2020-09-17 | 2022-05-31 | 上海微波技术研究所（中国电子科技集团公司第五十研究所） | Novel HARQ transmission method and system for satellite communication |
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