CN103378924A - Method of determining transport block size and device thereof, synchronization method, apparatus and system - Google Patents
Method of determining transport block size and device thereof, synchronization method, apparatus and system Download PDFInfo
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Abstract
The invention discloses a method of determining a transport block size and a device thereof, a synchronization method, an apparatus and a system. The synchronization method comprises the steps of an eNB obtaining the number of frequency-domain physical resource blocks and a modulation and coding scheme index of a UE; determining a temporary transport block size based on the number of frequency-domain physical resource blocks and the modulation and coding scheme index; determining a scale factor of a transmission time interval bundling transmission block size based on the temporary transport block size and/or a transmission time interval bundling size; determining the transmission time interval bundling transport block size based on the scale factor and the temporary transport block size; and notifying the UE of the scale factor of the transmission time interval bundling transmission block size, the number of frequency-domain physical resource blocks and the modulation and coding scheme index, or notifying the UE of the number of frequency-domain physical resource blocks and the modulation and coding scheme index to trigger the UE to synchronize the transport block size. According to the invention, the transmission time interval bundling transmission block size is synchronized, and thus the effect of improving uplink coverage is achieved.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of definite method of transmission block size and device, method for synchronous, Apparatus and system.
Background technology
Along with the fast development of wireless communication technology, limited frequency spectrum resource becomes the main factor of restriction Development of Wireless Communications gradually, but limited frequency spectrum resource has excited the appearance of new technology just.Capacity and covering are two important performance index in wireless communication system.
At existing Long Term Evolution (Long Term Evolution, referred to as LTE) in the system, for enhanced uplink data channel covering performance, multiple advanced person's technology is used, comprise: the interference coordination of (1) minizone (Inter-Cell Interference Coordination, referred to as ICIC), for example high interference is indicated (High Interference Indication, HII) with overload indication (Overload Indication is referred to as OI) method; (2) multiple-input and multiple-output (Multiple Input Multiple Output is referred to as MIMO), for example space diversity (Space Diversity is referred to as SD) and beam forming (Beamforming is referred to as BF) method; (3) coordinate multipoint (Coordinated Multiple Point, referred to as CoMP), it is based on the technology that MIMO grows up, cooperative scheduling/cooperative beam moulding (Coordinated Scheduling/Coordinated Beamforming for example, referred to as CS/CB) and unite reception (Joint Receiver is referred to as JR) method.Owing to current network with in following a period of time, subscriber equipment (User Equipment is referred to as UE) is single antenna, and MIMO and CoMP technology are limited for up improvement.
In existing LTE system, improve up transmission performance although used multiple technologies, especially up covering performance, but find by present network test and emulation, the Physical Uplink Shared Channel of moderate rate (Physical Uplink Shared Channel, referred to as PUSCH) remain the limited channel of covering performance in each channel, reason is that the transmitted power of UE is limited.This has proposed new demand to up moderate rate covering performance.
Cover in order further to promote up moderate rate, transmission time interval (tti) bundle (Transmission Time Intemal Bundling is referred to as TTI Bundling) scheme is proposed.TTI Bundling scheme refers to that scheduler is that UE distributes the Radio Resource that surpasses 1 TTI.The basic thought of this scheme is to allow UE to send continuously same transmission block (Transmission Block is referred to as TB) redundancy versions (Redundancy Version is referred to as RV) on continuous T TI.Particularly, figure l is the uplink schematic diagram according to the employing TTI Bundling scheme of correlation technique, as scheme shown in the l, by dosing cyclic redundancy check (CRC) (Cyclic Redundancy Check, referred to as CRC) bit, chnnel coding (Channel Coding, referred to as CC) and rate-matched (Rate Matching is referred to as RM) process, 4 RVs (RV0 to RV3) relevant with certain TB are produced; Then, above-mentioned 4 RV (RV0 to RV3) are sent out at 4 continuous TTI (TTI n to TTI n+3) respectively.Wherein, compare with traditional scheme, the support of TTI Bundling scheme sends has larger transmission block size (Transmission Block Size, referred to as TBS) transmission block, thereby obtained the encoding and decoding gain, saved control overhead, finally realized the raising of up covering.
For guaranteeing to strengthen Node B (evolved NodeB, referred to as eNB) be correctly decoded TB, between eNB and UE, must realize exactly corresponding TBS synchronously, but when adopting TTI Bundling to carry out transfer of data, how to carry out the synchronous of transmission block size in the correlation technique, not yet propose at present effective and simple solution.
Summary of the invention
For the synchronous technical problem that when adopting TTI Bundling to carry out transfer of data, can't realize the transmission block size in the correlation technique, the invention provides a kind of transmission block size synchronously, determine method and device, to address this problem at least.
According to an aspect of the present invention, provide a kind of method for synchronous of transmission block size, having comprised: base station eNB is obtained the frequency domain Physical Resource Block number of user equipment (UE) and the Modulation and Coding Scheme index of this UE; Described eNB determines interim transmission block size according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index; And according to described interim transmission block size and/or the big or small scale factor of determining TTI Bundling transmission block size of transmission time interval (tti) bundle TTI Bundling, wherein, described TTIBundling size is the number of the continuous Transmission Time Interval TTI of execution TTI Bundling; Described eNB determines described TTI Bundling transmission block size according to scale factor and the described interim transmission block size of described TTIBundling transmission block size; Described eNB notifies the scale factor of described TTI Bundling transmission block size, described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index to described UE, perhaps, described eNB notifies described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index to described UE, triggers described UE and carries out the synchronous of described TTI Bundling transmission block size.
Preferably, described eNB comprises according to scale factor and the described interim transmission block acquiring size TTI Bundling transmission block size of described TTI Bundling transmission block size: described eNB determines that described TTI Bundling transmission block size is the scale factor of described TTIBundling transmission block size and the product of described interim transmission block size.
Preferably, the scale factor of described TTI Bundling transmission block size is more than or equal to the number of the continuous Transmission Time Interval TTI that carries out TTI Bundling.
Preferably, the scale factor of described TTI Bundling transmission block size is notified to described UE by radio resource control RRC message or descending control information format DCI by described eNB.
Preferably, described eNB is according to described frequency domain Physical Resource Block number and Modulation and Coding Scheme index, and determine that interim transmission block size comprises: described eNB is according to described Modulation and Coding Scheme index I
MCSDetermine transmitting block index I with the first corresponding relation
TBSDescribed eNB is according to described I
MCS, described frequency domain Physical Resource Block counts N
PRBDetermine described interim transmission block size with the second corresponding relation.
Preferably, described the first corresponding relation is from Modulation and Coding Scheme index I
MCSTo order of modulation Q '
mWith transport block size index I
TBSMapping relations; Described the second corresponding relation is from described transport block size index I
TBSCount N with described frequency domain Physical Resource Block
PRBMapping relations to described interim transmission block size.
According to another aspect of the invention, a kind of definite method of transmission block size is provided, comprise: user equipment (UE) obtains the frequency domain Physical Resource Block number of this UE, the scale factor of the Modulation and Coding Scheme index of this UE and transmission time interval (tti) bundle TTI Bundling transmission block size, wherein, the scale factor of described TTI Bundling transmission block size is determined according to interim transmission block size and/or transmission time interval (tti) bundle TTI Bundling size, wherein, described TTI Bundling size is the number of the continuous Transmission Time Interval TTI of execution TTIBundling; Described UE determines described interim transmission block size according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index, and determines TTI Bundling transmission block size according to scale factor and the described interim transmission block size of described TTI Bundling transmission block size.
Preferably, described UE determines that according to scale factor and the described interim transmission block size of described TTI Bundling transmission block size TTI Bundling transmission block size comprises: described UE determines that described TTI Bundling transmission block size is the scale factor of described TTIBundling transmission block size and the product of described interim transmission block size.
Preferably, the scale factor of described TTI Bundling transmission block size is more than or equal to the number of the continuous Transmission Time Interval TTI that carries out TTI Bundling.
Preferably, described UE obtains one of in the following manner the scale factor of described TTI Bundling transmission block size: receive radio resource control RRC message; Receive descending control information format DCI; Described UE determines described interim transmission block size according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index, according to the scale factor of described interim transmission block size and/or the definite described transmission block size of described TTIBundling size.
Preferably, described UE is according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index, and determine that interim transmission block size comprises: described UE is according to described Modulation and Coding Scheme index I
MCSDetermine transmitting block index I with the first corresponding relation
TBSDescribed UE is according to described I
MCS, described frequency domain Physical Resource Block counts N
PRBDetermine described interim transmission block size with the second corresponding relation.
Preferably, described the first corresponding relation is from Modulation and Coding Scheme index I
MCSTo order of modulation Q '
mWith transport block size index I
TBSMapping relations; Described the second corresponding relation is from transport block size index I
TBSCount N with described frequency domain Physical Resource Block
PRBMapping relations to described interim transmission block size.
According to a further aspect in the invention, provide a kind of synchronizer of transmission block size, be applied to base station (eNB), having comprised: the first acquisition module is used for obtaining the frequency domain Physical Resource Block number of user equipment (UE) and the Modulation and Coding Scheme index of this UE; The first determination module is used for determining interim transmission block size according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index; The second determination module, be used for the scale factor according to described interim transmission block size and/or the definite TTI Bundling transmission block size of transmission time interval (tti) bundle TTI Bundling size, wherein, described TTI Bundling size is the number of the continuous Transmission Time Interval TTI of execution TTI Bundling; The 3rd determination module is used for determining described TTI Bundling transmission block size according to scale factor and the described interim transmission block size of described TTI Bundling transmission block size; Notification module, be used for the size factor of described TTIBundling transmission block size, described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index are notified to described UE, perhaps, described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index are notified to described UE, triggered described UE and carry out the synchronous of described TTI Bundling transmission block size.
Preferably, described the first determination module comprises: the first determining unit is used for determining transmitting block index according to described Modulation and Coding Scheme index and the first corresponding relation; The second determining unit is used for determining to transmit block size according to described Modulation and Coding Scheme index, described frequency domain Physical Resource Block number and the second corresponding relation temporarily; Described the first corresponding relation is for indexing the mapping relations of order of modulation and described transport block size index from Modulation and Coding Scheme; Described the second corresponding relation is for counting to the mapping relations of described interim transmission block size from described transport block size index and described frequency domain Physical Resource Block.
According to another aspect of the invention, a kind of definite device of transmission block size is provided, be applied to user equipment (UE), comprise: the second acquisition module, be used for obtaining the frequency domain Physical Resource Block number of UE, the scale factor of the Modulation and Coding Scheme index of this UE and transmission time interval (tti) bundle TTI Bundling transmission block size, wherein, the scale factor of described TTI Bundling transmission block size is determined according to interim transmission block size and/or transmission time interval (tti) bundle TTI Bundling size, wherein, described TTIBundling size is the number of the continuous Transmission Time Interval TTI of execution TTI Bundling; The 4th determination module is used for according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index, determines interim transmission block size; The 5th determination module is used for determining TTI Bundling transmission block size according to scale factor and the described interim transmission block size of described TTI Bundling transmission block size.
Preferably, described the 4th determination module comprises: the 3rd determining unit is used for determining transmitting block index according to described Modulation and Coding Scheme index and the first corresponding relation; The 4th determining unit is used for determining to transmit block size according to described Modulation and Coding Scheme index, described frequency domain Physical Resource Block number and the second corresponding relation temporarily; Described the first corresponding relation is for indexing the mapping relations of order of modulation and described transport block size index from Modulation and Coding Scheme; Described the second corresponding relation is for counting to the mapping relations of described interim transmission block size from described transport block size index and described frequency domain Physical Resource Block.
According to another aspect of the invention, provide a kind of synchro system of transmission block size, comprised the synchronizer of above-mentioned transmission block size and definite device of above-mentioned transmission block size.
By the present invention, eNB can use frequency domain Physical Resource Block number and Modulation and Coding Scheme index, determine interim transmission block size, then according to the scale factor of the TTI Bundling transmission block size of determining with should determine TTIBundling transmission block size by interim transmission block size, and parameter is sent to UE carry out synchronously, solved the synchronous problem that when adopting TTI Bundling to carry out transfer of data, can't realize the transmission block size in the correlation technique, and then when having reached use TTI Bundling and carrying out transfer of data, improved the effect of up coverage.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Figure l is the uplink schematic diagram according to the employing TTI Bundling scheme of correlation technique;
Fig. 2 is the flow chart according to the method for synchronous of the transmission block size of the embodiment of the invention;
Fig. 3 is the flow chart according to definite method of the transmission block size of the embodiment of the invention;
Fig. 4 is the structured flowchart according to the synchronizer of the transmission block size of the embodiment of the invention;
Fig. 5 is the preferred structured flowchart according to the synchronizer of the transmission block size of the embodiment of the invention;
Fig. 6 is the structured flowchart according to definite device of the transmission block size of the embodiment of the invention;
Fig. 7 is the preferred structured flowchart according to definite device of the transmission block size of the embodiment of the invention; And
Fig. 8 is the structured flowchart according to the synchro system of the transmission block size of the embodiment of the invention.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove that in the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Present embodiment provides a kind of method for synchronous of transmission block size, and Fig. 2 is the flow chart according to the method for synchronous of the transmission block size of the embodiment of the invention, and as shown in Figure 2, the method comprises that following step S202 is to step S206.
Step S202:eNB obtains the frequency domain Physical Resource Block number of UE and the Modulation and Coding Scheme index of this UE.
Step S204:eNB determines interim transmission block size according to this frequency domain Physical Resource Block number and this Modulation and Coding Scheme index; And according to this interim transmission block size and/or the big or small scale factor of determining TTI Bundling transmission block size of TTI Bundling, wherein, this TTI Bundling size is the number of the continuous TTI of execution TTI Bundling.
Step S206:eNB determines TTIBundling transmission block size according to this TTI Bundling transmission block size scaling factor and this interim transmission block size.
Step S208:eNB notifies scale factor, frequency domain Physical Resource Block number and the Modulation and Coding Scheme index of TTI Bundling transmission block size to UE, perhaps, eNB notifies frequency domain Physical Resource Block number and Modulation and Coding Scheme index to UE, triggers UE and carries out the synchronous of TTI Bundling transmission block size.
Pass through above-mentioned steps, eNB can use frequency domain Physical Resource Block number and Modulation and Coding Scheme index to determine interim transmission block size, then according to interim transmission block size and/or the big or small scale factor of determining TTI Bundling transmission block size of TTI Bundling, also according to the scale factor of TTI Bundling transmission block size with should determine TTI Bundling transmission block size by interim transmission block size, and parameter is sent to UE carry out synchronously, realized the synchronous of TTI Bundling transmission block size, overcome in the correlation technique, when the mode that adopts TTI Bundling is carried out transfer of data, can't realize the synchronous problem of TTI Bundling transmission block size, and then reach the effect of the up coverage when raising adopts the mode of TTI Bundling to transmit.
When implementing, can be according to the requirement of TTI Bundling transmission, use scale factor and the interim transmission block acquiring size TTI Bundling transmission block size of TTI Bundling transmission block size, for example, eNB can determine that this TTI Bundling transmission block size is the scale factor and the product that is somebody's turn to do interim transmission block size of this TTI Bundling transmission block size.This execution mode is smaller to the change of prior art, and implements fairly simple.The scale factor of TTI Bundling transmission block size can be selected as required, and is more excellent, and the scale factor of TTI Bundling transmission block size is more than or equal to the number of the continuous Transmission Time Interval TTI that carries out TTIBundling.
Preferably, in the above-mentioned preferred implementation, the scale factor of TTI Bundling transmission block size can be notified to this UE by (RRC) message or default descending control information format (DCI) by eNB.This preferred implementation has improved the diversity of the scale factor that sends TTI Bundling transmission block size.
In force, eNB can be accomplished in several ways according to this frequency domain Physical Resource Block number and Modulation and Coding Scheme index and determine interim transmission block size, and is more excellent, can adopt following mode: the eNB can be according to this Modulation and Coding Scheme index (I
MCS) and the first corresponding relation determine transmitting block index (I
TBS); Then eNB is according to this I
MCS, this frequency domain Physical Resource Block number (N
PRB) and the definite interim transmission block size of the second corresponding relation.More excellent, this first corresponding relation is from Modulation and Coding Scheme index I
MCSTo order of modulation Q '
mWith transport block size index I
TBSMapping relations, can adopt mapping relations as shown in table 1:
Table 1
| I MCS | Q′ m | I TBS |
| 0 | 2 | 0 |
| 1 | 2 | 1 |
| 2 | 2 | 2 |
| 3 | 2 | 3 |
| 4 | 2 | 4 |
| 5 | 2 | 5 |
| 6 | 2 | 6 |
| 7 | 2 | 7 |
| 8 | 2 | 8 |
| 9 | 2 | 9 |
| 10 | 2 | 10 |
| 11 | 4 | 10 |
| 12 | 4 | 11 |
| 13 | 4 | 12 |
| 14 | 4 | 13 |
| 15 | 4 | 14 |
| … | … | … |
Wherein, Q '
mBe order of modulation;
This second corresponding relation is from this transport block size index I
TBSCount N with this frequency domain Physical Resource Block
PRBMapping relations to this interim transmission block size for example, can adopt mapping relations as shown in table 2.
Table 2
Based on the design identical with above preferred embodiment, in the UE side, present embodiment provides a kind of definite method of transmission block size, and Fig. 3 is the flow chart according to definite method of the transmission block size of the embodiment of the invention, as shown in Figure 3, the method comprises that following step S302 is to step S306.
Step S302:UE obtains the scale factor of this UE frequency domain Physical Resource Block number, this UE Modulation and Coding Scheme index and TTI Bundling transmission block size, wherein, the scale factor of this TTI Bundling transmission block size is determined according to interim transmission block size and/or TTI Bundling size, wherein, this TTI Bundling size is the number of the continuous TTI of execution TTI Bundling.
Step S304: according to frequency domain Physical Resource Block number and Modulation and Coding Scheme index, determine interim transmission block size.
Step S306:UE determines TTIBundling transmission block size according to scale factor and the interim transmission block size of TTI Bundling transmission block size.
Pass through above-mentioned steps, UE uses the frequency domain Physical Resource Block number and the Modulation and Coding Scheme index that receive to determine interim transmission block size, then according to the scale factor of TTI Bundling transmission block size with should determine TTIBundling transmission block size by interim transmission block size, realized TTI Bundling transmission block size UE side and base station side synchronously, overcome and to be implemented in the synchronous problem of carrying out the transmission block size under the TTI Bundling in the correlation technique, and then reached and use TTIBundling to improve the effect of up covering.
When implementing, can be according to the requirement of TTI Bundling transmission, use scale factor and the interim transmission block acquiring size TTI Bundling transmission block size of TTI Bundling transmission block size, for example, eNB can determine that this TTI Bundling transmission block size is the scale factor and the product that is somebody's turn to do interim transmission block size of this TTI Bundling transmission block size.This execution mode is smaller to the change of prior art, and implements fairly simple.The scale factor of TTI Bundling transmission block size can be selected as required, and is more excellent, and the scale factor of TTI Bundling transmission block size is more than or equal to the number of the continuous Transmission Time Interval TTI that carries out TTIBundling.
Preferably, in the above-mentioned preferred implementation, obtain one of in the following manner the scale factor of TTI Bundling transmission block size:
Mode one: receive Radio Resource control (RRC) message;
Mode two: receive descending control information format DCI;
Mode three: UE determines interim transmission block size according to frequency domain Physical Resource Block number and Modulation and Coding Scheme index, according to the scale factor of interim transmission block size and/or the definite transmission block size of TTI Bundling size.
This preferred implementation has improved the diversity of the scale factor that sends TTI Bundling transmission block size.
In force, UE can be accomplished in several ways according to this frequency domain Physical Resource Block number and Modulation and Coding Scheme index and determine interim transmission block size, and is more excellent, can adopt following mode: the UE can be according to this Modulation and Coding Scheme index (I
MCS) and the first corresponding relation determine transmitting block index (I
TBS); Then eNB is according to this I
MCS, this frequency domain Physical Resource Block number (N
PRB) and the definite interim transmission block size of the second corresponding relation.More excellent, this first corresponding relation is from Modulation and Coding Scheme index I
MCSTo order of modulation Q '
mWith transport block size index I
TBSMapping relations, can adopt mapping relations as shown in table 3:
Table 3
| I MCS | Q′ m | I TBS |
| 0 | 2 | 0 |
| 1 | 2 | 1 |
| 2 | 2 | 2 |
| 3 | 2 | 3 |
| 4 | 2 | 4 |
| 5 | 2 | 5 |
| 6 | 2 | 6 |
| 7 | 2 | 7 |
| 8 | 2 | 8 |
| 9 | 2 | 9 |
| 10 | 2 | 10 |
| 11 | 4 | 10 |
| 12 | 4 | 11 |
| 13 | 4 | 12 |
| 14 | 4 | 13 |
| 15 | 4 | 14 |
| … | … | … |
Wherein, Q '
mBe order of modulation;
This second corresponding relation is from this transport block size index I
TBSCount N with this frequency domain Physical Resource Block
PRBMapping relations to this interim transmission block size for example, can adopt mapping relations as shown in table 4.
Table 4
Need to prove, can in the computer system such as one group of computer executable instructions, carry out in the step shown in the flow chart of accompanying drawing, and, although there is shown logical order in flow process, but in some cases, can carry out step shown or that describe with the order that is different from herein.
In another embodiment, also provide a kind of synchronizing software of transmission block size, this software be used for to be carried out the technical scheme that above-described embodiment and preferred embodiment are described.
In another embodiment, also provide a kind of storage medium, stored the synchronizing software of above-mentioned transmission block size in this storage medium, this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.
The embodiment of the invention also provides a kind of synchronizer of transmission block size, can be applied to base station eNB, the synchronizer of this transmission block size can be used for realizing method for synchronous and the preferred implementation of above-mentioned transmission block size, carried out explanation, repeat no more, the module that relates in the synchronizer of the below to this transmission block size describes.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described system and method for following examples is preferably realized with software, hardware, perhaps the realization of the combination of software and hardware also may and be conceived.
Fig. 4 is the structured flowchart according to the synchronizer of the transmission block size of the embodiment of the invention, as shown in Figure 4, this device comprises: the first acquisition module 42, the first determination module 44, the second determination module 46, the 3rd determination module 48 and notification module 49, the below is elaborated to said structure.
The first acquisition module 42 is used for obtaining the frequency domain Physical Resource Block number of UE and the Modulation and Coding Scheme index of this UE; The first determination module 44 is connected to the first acquisition module 42, and interim transmission block size determined in this frequency domain Physical Resource Block number, this Modulation and Coding Scheme index that is used for getting access to according to the first acquisition module 42; The second determination module 46, be connected to the first determination module 44, be used for interim transmission block size and/or the big or small scale factor of determining TTI Bundling transmission block size of TTI Bundling that the first determination module 44 is determined, wherein, this TTI Bundling size is the number of the continuous Transmission Time Interval TTI of execution TTI Bundling; The 3rd determination module 48, be connected to the first determination module 44 and the second determination module 46, the interim transmission block scale factor big or small and the TTI Bundling transmission block size that the second determination module 46 is determined that is used for determining according to the first determination module 44 is determined TTI Bundling transmission block size; Notification module 48, be connected to the first acquisition module 42 and the second determination module 46, notify to this UE for the size factor of the TTI Bundling transmission block that the second determination module 46 is determined, frequency domain Physical Resource Block number and this Modulation and Coding Scheme index that the first acquisition module 42 gets access to, the frequency domain Physical Resource Block number that perhaps the first acquisition module 42 is got access to and this Modulation and Coding Scheme index are notified to this UE, trigger this UE and carry out the synchronous of this TTIBundling transmission block size.
Preferably, the 3rd determination module 48 is determined the scale factor that this TTI Bundling transmission block size is this TTI Bundling transmission block size and the product that should temporarily transmit block size.
Fig. 5 is the preferred structured flowchart according to the synchronizer of the transmission block size of the embodiment of the invention, and as shown in Figure 5, the first determination module 44 comprises: the first determining unit 442 and the second determining unit 444, the below is described in detail said structure.
The first determining unit 442 is used for according to this Modulation and Coding Scheme index (I
MCS) and the first corresponding relation determine transmitting block index I
TBSThe second determining unit 444 is connected to the first determining unit 442, is used for the I that determines according to the first determining unit 442
MCS, this frequency domain Physical Resource Block counts N
PRBDetermine to transmit block size with the second corresponding relation temporarily.
In yet another embodiment, also provide a kind of definite software of transmission block size, this software be used for to be carried out the technical scheme that above-described embodiment and preferred embodiment are described.
In another embodiment, also provide a kind of storage medium, stored definite software of above-mentioned transmission block size in this storage medium, this storage medium includes but not limited to: CD, floppy disk, hard disk, scratch pad memory etc.
The embodiment of the invention also provides a kind of definite device of transmission block size, can be applied to UE, definite device of this transmission block size can be used for realizing definite method and the preferred implementation of above-mentioned transmission block size, carried out explanation, repeat no more, the module that relates in definite device of the below to this transmission block size describes.As used below, the combination of software and/or the hardware of predetermined function can be realized in term " module ".Although the described system and method for following examples is preferably realized with software, hardware, perhaps the realization of the combination of software and hardware also may and be conceived.
Fig. 6 is the structured flowchart according to definite device of the transmission block size of the embodiment of the invention, and as shown in Figure 6, this device comprises: the second acquisition module 62, the four determination modules 64 and the 5th determination module 66, the below is elaborated to said structure.
The second acquisition module 62, be used for obtaining the frequency domain Physical Resource Block number of UE, the Modulation and Coding Scheme index of this UE and the scale factor of TTIBundling transmission block size, wherein, the scale factor of this TTI Bundling transmission block size is determined according to interim transmission block size and/or TTI Bundling size, wherein, TTI Bundling size is the number of the continuous TTI of execution TTI Bundling; The 4th determination module 64 is connected to the second acquisition module 62, and interim transmission block size determined in frequency domain Physical Resource Block number, the Modulation and Coding Scheme index that is used for getting access to according to the second acquisition module 62; The 5th determination module 66, be connected to the second acquisition module 62 and the 4th determination module 64, determine TTI Bundling transmission block size for the interim transmission block size that scale factor and the 4th determination module 64 of the TTI Bundling transmission block size that gets access to according to the second acquisition module 62 are determined.
Fig. 7 is the preferred structured flowchart according to definite device of the transmission block size of the embodiment of the invention, and as shown in Figure 7, the 4th determination module 64 comprises: the 3rd determining unit 642 and the 4th determining unit 644, the below is described in detail said structure.
The 3rd determining unit 642 is used for according to this Modulation and Coding Scheme index (I
MCS) and the first corresponding relation determine transmitting block index I
TBSThe 4th determining unit 644 is connected to the 3rd determining unit 642, is used for the I that determines according to the 3rd determining unit 642
MCS, this Physical Resource Block counts N
PRBDetermine to transmit block size with the second corresponding relation temporarily.
Present embodiment also provides a kind of synchro system of transmission block size, Fig. 8 is the structured flowchart according to the synchro system of the transmission block size of the embodiment of the invention, as shown in Figure 8, this system comprises: the synchronizer 2 of transmission block size and definite device 4 of transmission block size, wherein, the structure of the synchronizer 2 of transmission block size is shown in Fig. 4 or 5, and the structure of definite device 4 of transmission block size does not repeat them here shown in Fig. 6 or 7.
Describe below in conjunction with preferred embodiment, following preferred embodiment combines above-described embodiment and preferred implementation.
Preferred embodiment one
Present embodiment provides the method for synchronous of a kind of TTI Bundling TBS, in the present embodiment, supposes that default TTIBundling size is 4, and the number of namely carrying out the continuous TTI of TTI Bundling is 4; Suppose that UE sends detection reference signal (Sounding Reference Signal, SRS); Suppose that eNB obtains current channel condition between UE and eNB by measuring above-mentioned SRS; Suppose that eNB and adjacent eNB are without cooperating.
The method comprises the steps that S402 is to step S424.
Step S402:eNB judges that current channel quality is lower than a certain threshold value.
Step S404:eNB enables TTI Bundling operation, and controls (Radio Resource Control, RRC) this UE of message informing by the radio frequency resource of carrying " enabling TTI Bundling indicates " control signal; Wherein, enable TTI Bundling and be masked as " 1 ", expression enables TTI Bundling operation.
Step S406:UE receives and resolves this RRC message, obtains this " enabling TTI Bundling indicates " control signal;
Step S408:eNB obtains and is prepared as frequency domain Physical Resource Block (Physical Resource Block, PRB) the number N that UE distributes according to current channel condition
PRBAnd Modulation and Coding Scheme (Modulation and Coding Scheme, MCS) index I
MCSWherein, frequency domain PRB number is illustrated in Resource Block (Resource Block is referred to as the RB) number that distributes on the frequency domain, and each RB is made of a plurality of subcarrier in frequency domain usually.
Step S410:eNB is according to this MCS index I
MCSObtain TBS index I with table 5
TBS
Table 5 PUSCH modulation, TBS concordance list
Annotate: Q '
mThe expression order of modulation.
Step S412:eNB counts N according to this frequency domain PRB
PRB, TBS index I
TBSAnd following table 6 obtains interim transmission block size (TemporaryTBS is referred to as T-TBS).
Table 6 TBS shows (dimension 27 * 110)
This default TTI Bundling size of step S414:eNB basis and/or T-TBS determine the scale factor (Scaling Factor, SF) of TTI Bundling TBS, and determine TTI Bundling TBS according to this SF and T-TBS.
Particularly, SF=f
1(Size
TTI Bundling, Size
T-TBS), or, SF=f
2(Size
TTI Bundling), or SF=f
3(Size
T-TBS); Wherein, Size
TTI BundlingExpression TTI Bundling size, Size
T-TBSExpression T-TBS, f
1, f
2And f
3Represent respectively different mapping relations.Determine one of in the following manner SF: according to Size
TTI BundlingDetermine SF; According to Size
T-TBSDetermine SF; According to Size
TTI BundlingAnd Size
T-TBSDetermine SF.
Particularly, f
1, f
2With f
3Execution mode can for:
SF＝f
2(Size
TTI Bundling)＝Size
TTI Bundling；
Wherein, K
1, K
2Represent invariant with C, TH1
TBSWith TH2
TBSExpression transmission block size thresholding, max represents to get maxima operation.
Preferably, mapping relationship f
1, f
2With f
3Also can realize by the form of tabling look-up.
Particularly, make TBS equal the product of SF and T-TBS.
This frequency domain of step S416:eNB notice UE PRB counts N
PRBWith MCS index I
MCS
For example: eNB is by DCI form 0 notice UE; DCI form 0 is used for the scheduling of PUSCH, and is carried on Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH).Particularly, the field that comprises at least of DCI form 0 is as shown in table 7.Wherein, this frequency domain PRB counts N
PRBBy " resource block assignments and Hopping resource are distributed " field this MCS index I is described
MCSDescribed by " modulation, encoding scheme and redundancy encoding " field.
Table 7 DCI form 0
| The sign (1bit) that form 0 and form 1A distinguish |
| Hopping indicates (1bit) |
| Resource block assignments and Hopping resource are distributed (relevant with bandwidth) |
| Modulation, encoding scheme and redundancy encoding (5bit) |
| New data indication (1bit) |
| The transmission power control command of the PUSCH that is scheduled (2bit) |
| Solution is called the cyclic shift (3bit) of pilot tone |
| Sub-frame of uplink sequence number (being applied to TDD mode) |
| Channel quality indication request (1bit) |
Step S418:UE receives and resolves this DCI form 0, obtains this frequency domain PRB and counts N
PRBWith MCS index I
MCS
Step S420:UE is according to this MCS index I
MCSObtain TBS index I with form 1
TBS
Step S422:UE counts N according to this frequency domain PRB
PRB, TBS index I
TBSObtain T-TBS with form 2.
Step S424:UE judges that according to above-mentioned " enabling TTI Bundling sign " TTI Bundling operation is enabled; Determine TTI Bundling TBS SF according to this default TTI Bundling size and/or T-TBS, and determine TTI Bundling TBS according to this SF and T-TBS.
Particularly, SF=f
1(Size
TTI Bundling, Size
T-TBS), or, SF=f
2(Size
TTI Bundling), or SF=f
3(Size
T-TBS); Wherein, Size
TTI BundlingExpression TTI Bundling size, Size
T-TBSExpression T-TBS, f
1, f
2And f
3Represent respectively different mapping relations.Determine one of in the following manner SF: according to Size
TTI BundlingDetermine SF; According to Size
T-TBSDetermine SF; According to Size
TTI BundlingAnd Size
T-TBSDetermine SF.
Need to prove that UE uses identical mapping relationship f with eNB
1, f
2With f
3).
Particularly, TBS equals the product of SF and T-TBS.
In the present embodiment, adopt the default TTI Bundling size of basis and/or T-TBS to determine the preferred implementation of TTI Bundling TBS SF, need to prove, in force, can adopt the mode that is different from this preferred embodiment.By the above-mentioned steps of present embodiment, realized TTI Bundling TBS between eNB and UE synchronously.
Preferred embodiment two
Present embodiment provides the method for synchronous of a kind of TTI Bundling TBS, in the present embodiment, supposes that default TTIBundling size is 4, and the number of namely carrying out the continuous TTI of TTI Bundling is 4; Suppose that UE sends SRS; Suppose that eNB obtains current channel condition between UE and eNB by measuring above-mentioned SRS; Suppose that eNB and adjacent eNB are without cooperating.The method comprises the steps that S502 is to step S524.
Step S502:eNB judges that current channel quality is lower than a certain threshold value;
Step S504:eNB enables TTI Bundling operation, and " enables TTI Bundling sign " and this UE of RRC message informing of " scale factor of TTIBundling TBS (Scaling Factor, SF) " control signal by carrying; Wherein, " enabling TTI Bundling sign " is " 1 ", and expression enables TTI Bundling operation;
Preferably, eNB determines TTI BundlingTBS SF according to TTI Bundling size and/or the statistics of T-TBS before that should be default; Preferably, TTI Bundling TBS SF is more than or equal to this default TTI Bundling size;
Step S506:UE receives and resolves this RRC message, obtains this and " enables TTI Bundling sign " and " TTIBundling TBS SF " control signal;
Step S508:eNB obtains the frequency domain PRB that is prepared as the UE distribution and counts N according to current channel condition
PRBAnd MCS index I
MCSWherein, frequency domain PRB number is illustrated in the RB number that distributes on the frequency domain, and each RB is made of a plurality of subcarrier in frequency domain usually.
Step S510:eNB is according to this MCS index I
MCSObtain TBS index I with form 1
TBS
Step S512:eNB counts N according to this frequency domain PRB
PRB, TBS index I
TBSObtain T-TBS with form 2;
Step S514:eNB obtains TBS according to this TTI Bundling TBS SF and T-TBS;
Particularly, TBS equals the product of TTI Bundling TBS SF and T-TBS;
This frequency domain of step S516:eNB notice UE PRB counts N
PRBWith MCS index I
MCS
Particularly, eNB is by DCI form 0 notice UE; DCI form 0 is used for the scheduling of PUSCH, and is carried on physical downlink control channel PDCCH.Particularly, the field that comprises at least of DCI form 0 as shown in Table 3.Wherein, this frequency domain PRB counts N
PRBBy " resource block assignments and Hopping resource are distributed " field this MCS index I is described
MCSDescribed by " modulation, encoding scheme and redundancy encoding " field.
Step S518:UE receives and resolves this DCI form 0, obtains this frequency domain PRB and counts N
PRBWith MCS index I
MCS
Step S520:UE is according to this MCS index I
MCSObtain TBS index I with form 1
TBS
Step S522:UE counts N according to this frequency domain PRB
PRB, TBS index I
TBSObtain T-TBS with form 2;
Step S524:UE judges that according to " enabling TTI Bundling sign " TTI Bundling operation is enabled, and obtains TBS according to this TTI Bundling TBS SF and T-TBS.
For example: TBS equals the product of TTI Bundling TBS SF and T-TBS.
In the present embodiment, TTI Bundling TBS SF is by RRC message informing UE by eNB.By the above-mentioned steps of present embodiment, realized TTI Bundling TBS between eNB and UE synchronously.
Preferred embodiment three
Present embodiment provides a kind of TTI Bundling TBS method for synchronous, in the present embodiment, supposes that default TTIBundling size is 4, and the number of namely carrying out the continuous TTI of TTI Bundling is 4; Suppose that UE sends SRS; Suppose that eNB obtains current channel condition between UE and eNB by measuring above-mentioned SRS; Suppose that eNB and adjacent eNB are without cooperating.The method comprises the steps that S602 is to step S624.
Step S602:eNB judges that current channel quality is lower than a certain threshold value;
Step S604:eNB enables TTI Bundling operation;
Step S606:eNB obtains the frequency domain PRB that is prepared as the UE distribution and counts N according to current channel condition
PRBAnd MCS index I
MCSWherein, frequency domain PRB number is illustrated in the RB number that distributes on the frequency domain, and each RB is made of a plurality of subcarrier in frequency domain usually.
Step S608:eNB is according to this MCS index I
MCSObtain TBS index I with form 5
TBS
Step S610:eNB counts N according to this frequency domain PRB
PRB, TBS index I
TBSObtain T-TBS with form 6;
Step S612:eNB determines TTI Bundling TBS SF according to being somebody's turn to do default TTI Bundling size and/or T-TBS, and obtains TBS according to this TTI Bundling TBS SF and T-TBS;
Preferably, this TTI Bundling TBS SF is more than or equal to this default TTI Bundling size;
Preferably, TBS equals the product of TTI Bundling TBS SF and T-TBS.
This frequency domain of step S614:eNB notice UE PRB counts N
PRB, MCS index I
MCS, enable TTI Bundling sign and TTI Bundling TBS SF.
Particularly, eNB is by improved DCI form 0 notice UE; The improved DCI form 0 same scheduling that is used for PUSCH, and be carried on physical downlink control channel PDCCH.Particularly, the field that comprises at least of DCI form 0 as shown in Table 8.Wherein, this frequency domain PRB counts N
PRBBy " resource block assignments and Hopping resource are distributed " field description, this MCS index I
MCSBy " modulation, encoding scheme and redundancy encoding " field description, enable TTI Bundling sign by " enabling the TTIBundling sign " field description, TTI Bundling TBS SF is by " TTI Bundling TBS SF " field description.
The improved DCI form 0 of table 8
| The sign (1bit) that form 0 and form 1A distinguish |
| Hopping indicates (1bit) |
| Resource block assignments and Hopping resource are distributed (relevant with bandwidth) |
| Modulation, encoding scheme and redundancy encoding (5bit) |
| New data indication (1bit) |
| The transmission power control command of the PUSCH that is scheduled (2bit) |
| Solution is called the cyclic shift (3bit) of pilot tone |
| Sub-frame of uplink sequence number (being applied to TDD mode) |
| Channel quality indication request (1bit) |
| Enable TTI Bundling sign (1bit) |
| TTI Bundling TBS SF (not deciding) |
Step S616:UE receives and resolves this DCI form 0, obtains this frequency domain PRB and counts N
PRB, MCS index I
MCS, enable TTI Bundling sign and TTI Bundling TBS SF.
Step S618:UE is according to this MCS index I
MCSObtain TBS index I with form 5
TBS
Step S620:UE counts N according to this frequency domain PRB
PRB, TBS index I
TBSObtain T-TBS with form 6.
Step S622:UE judges that according to " enabling TTI Bundling sign " TTI Bundling operation is enabled, and obtains TBS according to this TTI Bundling TBS SF and T-TBS.
Particularly, TBS equals the product of TTI Bundling TBS SF and T-TBS.
In the present embodiment, TTI Bundling TBS SF notifies UE by eNB by DCI form 0.By the above-mentioned steps of present embodiment, realized TTI Bundling TBS between eNB and UE synchronously.
Pass through above-described embodiment, the synchronous of a kind of transmission block size is provided, determine method and device, eNB can use frequency domain Physical Resource Block number and Modulation and Coding Scheme index, determine interim transmission block size, then, scale factor according to the TTI Bundling transmission block size of determining is transmitted block size with being somebody's turn to do temporarily, determine TTI Bundling transmission block size, and this parameter is sent to UE carry out synchronously, solved and to be implemented in the synchronous problem of carrying out the transmission block size under the TTI Bundling in the correlation technique, and then reached and use TTI Bundling to improve the effect of up covering.The method realizes simple, and control overhead is little and backwards compatibility is better.Need to prove that these technique effects are not that above-mentioned all execution modes have, some technique effect is that some preferred implementation just can obtain.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, carried out by calculation element thereby they can be stored in the storage device, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
More than this is the preferred embodiments of the present invention only, 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 modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (17)
1. the method for synchronous of a transmission block size is characterized in that comprising:
Base station eNB is obtained the frequency domain Physical Resource Block number of user equipment (UE) and the Modulation and Coding Scheme index of this UE;
Described eNB determines interim transmission block size according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index; And according to described interim transmission block size and/or the big or small scale factor of determining TTIBundling transmission block size of transmission time interval (tti) bundle TTI Bundling, wherein, described TTI Bundling size is the number of the continuous Transmission Time Interval TTI of execution TTI Bundling;
Described eNB determines described TTI Bundling transmission block size according to scale factor and the described interim transmission block size of described TTI Bundling transmission block size;
Described eNB notifies the scale factor of described TTI Bundling transmission block size, described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index to described UE, perhaps, described eNB notifies described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index to described UE, triggers described UE and carries out the synchronous of described TTI Bundling transmission block size.
2. method according to claim 1 is characterized in that, described eNB comprises according to scale factor and the described interim transmission block acquiring size TTI Bundling transmission block size of described TTI Bundling transmission block size:
Described eNB determines that described TTI Bundling transmission block size is the scale factor of described TTI Bundling transmission block size and the product of described interim transmission block size.
3. method according to claim 2 is characterized in that,
The scale factor of described TTI Bundling transmission block size is more than or equal to the number of the continuous Transmission Time Interval TTI that carries out TTI Bundling.
4. method according to claim 3 is characterized in that,
The scale factor of described TTI Bundling transmission block size is notified to described UE by radio resource control RRC message or descending control information format DCI by described eNB.
5. each described method in 4 according to claim 1 is characterized in that described eNB determines that according to described frequency domain Physical Resource Block number and Modulation and Coding Scheme index interim transmission block size comprises:
Described eNB is according to described Modulation and Coding Scheme index I
MCSDetermine transmitting block index I with the first corresponding relation
TBS
Described eNB is according to described I
MCS, described frequency domain Physical Resource Block counts N
PRBDetermine described interim transmission block size with the second corresponding relation.
6. method according to claim 5 is characterized in that,
Described the first corresponding relation is from Modulation and Coding Scheme index I
MCSTo order of modulation Q '
mWith transport block size index I
TBSMapping relations;
Described the second corresponding relation is from described transport block size index I
TBSCount N with described frequency domain Physical Resource Block
PRBMapping relations to described interim transmission block size.
7. definite method of a transmission block size is characterized in that comprising:
User equipment (UE) obtains the frequency domain Physical Resource Block number of this UE, the Modulation and Coding Scheme index of this UE and the scale factor of transmission time interval (tti) bundle TTI Bundling transmission block size, wherein, the scale factor of described TTI Bundling transmission block size is determined according to interim transmission block size and/or transmission time interval (tti) bundle TTI Bundling size, wherein, described TTI Bundling size is the number of the continuous Transmission Time Interval TTI of execution TTI Bundling;
Described UE determines described interim transmission block size according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index, and determines TTIBundling transmission block size according to scale factor and the described interim transmission block size of described TTI Bundling transmission block size.
8. method according to claim 7 is characterized in that, described UE determines that according to scale factor and the described interim transmission block size of described TTI Bundling transmission block size TTI Bundling transmission block size comprises:
Described UE determines that described TTI Bundling transmission block size is the scale factor of described TTI Bundling transmission block size and the product of described interim transmission block size.
9. method according to claim 8 is characterized in that,
The scale factor of described TTI Bundling transmission block size is more than or equal to the number of the continuous Transmission Time Interval TTI that carries out TTI Bundling.
10. method according to claim 9 is characterized in that,
Described UE obtains one of in the following manner the scale factor of described TTI Bundling transmission block size:
Receive radio resource control RRC message;
Receive descending control information format DCI;
Described UE determines described interim transmission block size according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index, according to the scale factor of described interim transmission block size and/or the definite described transmission block size of described TTI Bundling size.
11. each described method in 10 according to claim 7 is characterized in that described UE determines that according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index interim transmission block size comprises:
Described UE is according to described Modulation and Coding Scheme index I
MCSDetermine transmitting block index I with the first corresponding relation
TBS
Described UE is according to described I
MCS, described frequency domain Physical Resource Block counts N
PRBDetermine described interim transmission block size with the second corresponding relation.
12. method according to claim 11 is characterized in that,
Described the first corresponding relation is from Modulation and Coding Scheme index I
MCSTo order of modulation Q '
mWith transport block size index I
TBSMapping relations;
Described the second corresponding relation is from transport block size index I
TBSCount N with described frequency domain Physical Resource Block
PRBMapping relations to described interim transmission block size.
13. the synchronizer of a transmission block size is applied to base station eNB, it is characterized in that comprising:
The first acquisition module is used for obtaining the frequency domain Physical Resource Block number of user equipment (UE) and the Modulation and Coding Scheme index of this UE;
The first determination module is used for determining interim transmission block size according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index;
The second determination module, be used for the scale factor according to described interim transmission block size and/or the definite TTI Bundling transmission block size of transmission time interval (tti) bundle TTI Bundling size, wherein, described TTI Bundling size is the number of the continuous Transmission Time Interval TTI of execution TTIBundling;
The 3rd determination module is used for determining described TTI Bundling transmission block size according to scale factor and the described interim transmission block size of described TTI Bundling transmission block size;
Notification module, be used for the scale factor of described TTI Bundling transmission block size, described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index are notified to described UE, perhaps, described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index are notified to described UE, triggered described UE and carry out the synchronous of described TTI Bundling transmission block size.
14. device according to claim 13 is characterized in that, described the first determination module comprises:
The first determining unit is used for determining transmitting block index according to described Modulation and Coding Scheme index and the first corresponding relation;
The second determining unit is used for determining to transmit block size according to described Modulation and Coding Scheme index, described frequency domain Physical Resource Block number and the second corresponding relation temporarily;
Described the first corresponding relation is for indexing the mapping relations of order of modulation and described transport block size index from Modulation and Coding Scheme;
Described the second corresponding relation is for counting to the mapping relations of described interim transmission block size from described transport block size index and described frequency domain Physical Resource Block.
15. definite device of a transmission block size is applied to user equipment (UE), it is characterized in that comprising:
The second acquisition module, be used for obtaining the frequency domain Physical Resource Block number of UE, the Modulation and Coding Scheme index of this UE and the scale factor of transmission time interval (tti) bundle TTI Bundling transmission block size, wherein, the scale factor of described TTI Bundling transmission block size is determined according to interim transmission block size and/or transmission time interval (tti) bundle TTI Bundling size, wherein, described TTI Bundling size is the number of the continuous Transmission Time Interval TTI of execution TTI Bundling;
The 4th determination module is used for according to described frequency domain Physical Resource Block number and described Modulation and Coding Scheme index, determines interim transmission block size;
The 5th determination module is used for determining TTI Bundling transmission block size according to scale factor and the described interim transmission block size of described TTI Bundling transmission block size.
16. device according to claim 15 is characterized in that, described the 4th determination module comprises:
The 3rd determining unit is used for determining transmitting block index according to described Modulation and Coding Scheme index and the first corresponding relation;
The 4th determining unit is used for determining to transmit block size according to described Modulation and Coding Scheme index, described frequency domain Physical Resource Block number and the second corresponding relation temporarily;
Described the first corresponding relation is for indexing the mapping relations of order of modulation and described transport block size index from Modulation and Coding Scheme;
Described the second corresponding relation is for counting to the mapping relations of described interim transmission block size from described transport block size index and described frequency domain Physical Resource Block.
17. the synchro system of a transmission block size is characterized in that, comprises according to claim 13 or the synchronizer of 14 described transmission block sizes and according to claim 15 or definite device of 16 described transmission block sizes.
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Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2015062276A1 (en) * | 2013-11-01 | 2015-05-07 | 中兴通讯股份有限公司 | Transmission processing method and device for tti bundling, network-side device and ue |
| WO2016119193A1 (en) * | 2015-01-30 | 2016-08-04 | Nec Corporation | Method and apparatus for performing fractional subframe transmission |
| CN107210852A (en) * | 2015-01-28 | 2017-09-26 | 阿尔卡特朗讯 | By predicting smooth transport block size come control application operation system and method |
| CN107690195A (en) * | 2016-08-03 | 2018-02-13 | 普天信息技术有限公司 | A kind of Multi net voting Resource co-allocation method |
| WO2018126414A1 (en) * | 2017-01-05 | 2018-07-12 | 广东欧珀移动通信有限公司 | Data transmission method and communication device |
| CN108353285A (en) * | 2015-10-16 | 2018-07-31 | 华为技术有限公司 | A kind of method user equipment of determining transport block size and base station |
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| WO2018196624A1 (en) * | 2017-04-28 | 2018-11-01 | 华为技术有限公司 | Parameter configuration method and apparatus |
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| WO2019034102A1 (en) * | 2017-08-18 | 2019-02-21 | 维沃移动通信有限公司 | Method for determining size bound to physical resource block, and user terminal |
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| CN109495968A (en) * | 2017-09-12 | 2019-03-19 | 华为技术有限公司 | Method and apparatus for carrying out data transmission |
| CN109997332A (en) * | 2016-09-30 | 2019-07-09 | 瑞典爱立信有限公司 | The transport block size of short transmission interval is determined |
| WO2020199044A1 (en) * | 2019-03-29 | 2020-10-08 | 华为技术有限公司 | Method and apparatus for determining tbs |
| WO2020199588A1 (en) * | 2019-03-29 | 2020-10-08 | 华为技术有限公司 | Tbs determination method and apparatus |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020110095A1 (en) * | 2001-02-09 | 2002-08-15 | Jiang Sam Shiaw-Shiang | Determination of acceptable sequence number ranges in a communications protocol |
| CN101296009A (en) * | 2008-06-27 | 2008-10-29 | 中兴通讯股份有限公司 | Downlink self-adapting method |
| CN102055576A (en) * | 2010-12-29 | 2011-05-11 | 大唐移动通信设备有限公司 | Method and device for determining HARQ (Hybrid Automatic Repeat request) mode |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179836B (en) * | 2006-11-08 | 2010-05-12 | 中兴通讯股份有限公司 | Method of decoding reinforced uplink physical channel of time-division synchronous code division multiple access system |
| CN101754268B (en) * | 2008-12-04 | 2012-08-15 | ***通信集团公司 | User uplink data scheduling method and user equipment |
| CN102088732A (en) * | 2009-12-02 | 2011-06-08 | 爱立信(中国)通信有限公司 | Method and equipment for optimizing TBS table for low speed service |
-
2012
- 2012-04-18 CN CN201210114686.8A patent/CN103378924B/en active Active
-
2013
- 2013-04-08 WO PCT/CN2013/073899 patent/WO2014005450A1/en active Application Filing
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020110095A1 (en) * | 2001-02-09 | 2002-08-15 | Jiang Sam Shiaw-Shiang | Determination of acceptable sequence number ranges in a communications protocol |
| CN101296009A (en) * | 2008-06-27 | 2008-10-29 | 中兴通讯股份有限公司 | Downlink self-adapting method |
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