CN103634851B - The acquisition methods of a kind of transport block size and device - Google Patents
The acquisition methods of a kind of transport block size and device Download PDFInfo
- Publication number
- CN103634851B CN103634851B CN201210307782.4A CN201210307782A CN103634851B CN 103634851 B CN103634851 B CN 103634851B CN 201210307782 A CN201210307782 A CN 201210307782A CN 103634851 B CN103634851 B CN 103634851B
- Authority
- CN
- China
- Prior art keywords
- block size
- transport block
- numerical value
- unequal
- index
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the invention discloses acquisition methods and the device of a kind of transport block size, for reducing the cost or power consumption cost paid when obtaining TB Size, it is adaptable to cost and power consumption the index extremely mobile terminal of sensitivity, interconnecting terminal equipment etc..The method comprise the steps that from transport block size table, extract the unequal transport block size of all numerical value；The described unequal transport block size of all numerical value is stored internal memory or external register；The unequal transport block size of all numerical value according to the information of control and storage obtains the transport block size of present frame, wherein, described control information includes: the orthogonal frequency division multiplex OFDM symbolic number that resource allocation information, modulating-coding form index MCS Index, channel quality instruction index CQI Index, physical downlink control channel PDCCH take.
Description
Technical field
The present invention relates to communication technical field, particularly relate to acquisition methods and the device of a kind of transport block size.
Background technology
In Long Term Evolution (LTE, Long Term Evolution) and follow-up evolution system, prior art obtains and passes
The one of which method of defeated block size (TB Size, Transport Block Size) is first to obtain transport block size index
(TBS index, Transport Block Size index) and distribute to the number of resource blocks of user, then according to TBS
Index and distribute to the number of resource blocks of the user Table 7.1.7.2.1-1 Transport from 3GPP TS36.213
Block size table (dimension 27 × 110) obtains the TB Size of user's present frame.
The present inventor finds during realizing the present invention: Table7.1.7.2.1-1 in due to TS36.213
In element number be total up to 27 × 110=2970, prior art uses 4 bytes (Bytes) storage Table
During an element in 7.1.7.2.1-1, required memory space is 11880Bytes.Prior art is typically will take
The transport block size table (Transport block size table) of 11880Bytes stores in internal memory or external memory storage,
Inquire about this table access according to TBS index with the number of resource blocks distributing to user when needing to use to obtain.If according to existing skill
The transport block size table taking 11880Bytes is stored in internal memory by art, will significantly increase cost price；If according to existing
Having in technology stores in external memory storage by the transport block size table taking 11880Bytes, although can control cost, but
Newly-increased external memory access power consumption is abnormal considerable.Above prior art obtains the mode of TBSize in cost or power consumption
Defect in terms of index makes its application cost be greatly promoted, especially extremely sensitive with power consumption index to cost mobile end
Can not be the most applicable for end, interconnecting terminal equipment.
Summary of the invention
Embodiments provide acquisition methods and the device of a kind of transport block size, obtain TB for reducing
The cost paid during Size or power consumption cost, it is adaptable to cost and the mobile terminal of power consumption index extremely sensitivity, interconnect eventually
End equipment etc..
For solving above-mentioned technical problem, embodiment of the present invention offer techniques below scheme:
First aspect, embodiments provides the acquisition methods of a kind of transport block size, including:
The unequal transport block size of all numerical value is extracted from transport block size table；
The described unequal transport block size of all numerical value is stored internal memory or external register；
The unequal transport block size of all numerical value according to the information of control and storage obtains the transport block size of present frame,
Wherein, described control information includes: resource allocation information, modulating-coding form index MCSIndex, channel quality instruction index
The orthogonal frequency division multiplex OFDM symbolic number that CQI Index, physical downlink control channel PDCCH take.
Second aspect, the embodiment of the present invention additionally provides the acquisition device of a kind of transport block size, including:
Extraction unit, for extracting the unequal transport block size of all numerical value from transport block size table；
Memory cell, is used for that the described unequal transport block size of all numerical value is stored internal memory or outside is deposited
Device；
Acquiring unit, obtains present frame for the unequal transport block size of all numerical value according to the information of control and storage
Transport block size, wherein, described control information includes: resource allocation information, modulating-coding form index MCS Index, letter
The orthogonal frequency division multiplex OFDM symbolic number that road quality instruction index CQI Index, physical downlink control channel PDCCH take.
As can be seen from the above technical solutions, the embodiment of the present invention has the advantage that
In embodiments of the present invention, from transport block size table, the unequal transmission block of all numerical value is first extracted big
Little, the most again these unequal transport block sizes of all numerical value are stored in internal memory or in external memory storage, when needing
Carry out according to the unequal transport block size of all numerical value of control information and storage during the transport block size of present frame to be obtained
Acquire, due to the unequal transport block size of numerical value in the only transport block size table of storage, and not all biography
Defeated block size all stores, it is possible to save memory space, according to the mode of the acquisition TB size that the embodiment of the present invention provides,
The cost or power consumption cost paid when obtaining TB Size can be reduced, it is adaptable to the most sensitive with power consumption index to cost
Mobile interchange terminal device.
Accompanying drawing explanation
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, in embodiment being described below required for make
Accompanying drawing be briefly described, it should be apparent that, below describe in accompanying drawing be only some embodiments of the present invention, for
From the point of view of those skilled in the art, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The process blocks schematic diagram of the acquisition methods of a kind of transport block size that Fig. 1 provides for the embodiment of the present invention；
The process blocks schematic diagram of the acquisition methods of the another kind of transport block size that Fig. 2 provides for the embodiment of the present invention；
The process blocks schematic diagram of the acquisition methods of the another kind of transport block size that Fig. 3 provides for the embodiment of the present invention；
The composition structural representation of the acquisition device of a kind of transport block size that Fig. 4 provides for the embodiment of the present invention；
The composition structural representation of the acquisition device of the another kind of transport block size that Fig. 5 provides for the embodiment of the present invention；
The composition structural representation of the acquisition device of the another kind of transport block size that Fig. 6 provides for the embodiment of the present invention.
Detailed description of the invention
Embodiments provide acquisition methods and the device of a kind of transport block size, obtain TB for reducing
The cost paid during Size or power consumption cost, it is adaptable to cost and the mobile terminal of power consumption index extremely sensitivity, interconnect eventually
End equipment etc..
For making the goal of the invention of the present invention, feature, the advantage can be the most obvious and understandable, below in conjunction with the present invention
Accompanying drawing in embodiment, is clearly and completely described the technical scheme in the embodiment of the present invention, it is clear that disclosed below
Embodiment be only a part of embodiment of the present invention, and not all embodiments.Based on the embodiment in the present invention, this area
The every other embodiment that technical staff is obtained, broadly falls into the scope of protection of the invention.
The acquisition methods of a kind of transport block size that the embodiment of the present invention provides, refers to shown in Fig. 1, including walking as follows
Rapid:
101, from transport block size table, the unequal transport block size of all numerical value is extracted.
In embodiments of the present invention, the Table7.1.7.2.1-1 during transport block size table is 3GPP TS36.213
Transport block size table (dimension 27 × 110), includes 27 × 110=altogether in transport block size table
2970 elements, each element represents a transport block size, and each transport block size represents, the most just in the way of numerical value
It it is the value said and include 2970 transport block sizes in transport block size table.
In embodiments of the present invention, transport block size table is carried out analysis judgment and learns, transport block size table there are
The transport block size that big numerical quantity is identical, say, that include the element of many repetitions in transport block size table, according to this
The method that inventive embodiments provides, first extracts the unequal transport block size of all numerical value, root from transport block size table
According to 2970 elements in TS36.213 Table 7.1.7.2.1-1, find out unequal value one by one, have 178 according to checking
Individual element is different, extracts the unequal transport block size of all numerical value and altogether include 178 units from transport block size table
Element.
The unequal transport block size of all numerical value extracted in transport block size table in the embodiment of the present invention has 178
Individual, unequal for all numerical value transport block size is expressed as a set: transport block size resource (TB Size Source),
Then TB Size Source=[16 24 32 40 56 72 88 104 120 136,144 152 176 208 224 256 280
288 296 328 336 344 376 392 408 424 440 456 472488 504 520 536 552 568 584
600 616 632 648 680 696 712 744 776 808 840 872904 936 968 1000 1032 1064
1096 1128 1160 1192 1224 1256 1288 1320 13521384 1416 1480 1544 1608 1672
1736 1800 1864 1928 1992 2024 2088 21522216 2280 2344 2408 2472 2536 2600
2664 2728 2792 2856 2984 3112 32403368 3496 3624 3752 3880 4008 4136 4264
4392 4584 4776 4968 5160 53525544 5736 5992 6200 6456 6712 6968 7224 7480
7736 7992 8248 8504 87609144 9528 9912 10296 10680 11064 11448 11832 12216
12576 12960 1353614112 14688 15264 15840 16416 16992 17568 18336 19080 19848
20616 2138422152 22920 23688 24496 25456 26416 27376 28336 29296 30576 31704
3285634008 35160 36696 37888 39232 40576 42368 43816 45352 46888 48936
5102452752 55056 57336 59256 61664 63776 66592 68808 71112 73712 75376]。
It should be noted that in the preceding description of the embodiment of the present invention, in TB Size Source 178 elements be by
Carry out arranging according to order from small to large, naturally it is also possible to by unequal for all numerical value transport block size according to from big to small
Order arrange, or in particular order rule transport block size unequal to all numerical value arrange, this
Place for illustrative purposes only, does not limits.
102, unequal for all numerical value transport block size is stored internal memory or external register.
In embodiments of the present invention, extract from transport block size table the unequal transport block size of all numerical value it
After, unequal for all numerical value transport block size is stored in internal memory or external register, the present invention and prior art
Difference is, store in internal memory or external register in the embodiment of the present invention is not in transport block size table
All transport block sizes, and the wherein unequal transport block size of numerical value, these unequal transmission blocks of all numerical value are big
Little compared with all transport block sizes in transport block size table, it is big that shared memory space is far smaller than transmission block certainly
The memory space shared by all transport block sizes in little table, such as, in the embodiment of the present invention and all stores in prior art
In internal memory, if using an element to take the storage mode of 4 bytes equally, the internal memory taken in the embodiment of the present invention is empty
Between be: 178 × 4=712 Bytes, and the memory headroom taken in prior art is 2970 × 4=11880Bytes, it is seen then that with
The storage mode of sample, in hinge structure of the present invention, the scheme of directly storage can save the memory space of internal memory.
It should be noted that in embodiments of the present invention, unequal for all numerical value transport block size is stored internal memory
Or external register, may include that
Transport block size unequal to the numerical value of 178 carries out self adaptation bit wide storage, is saved in internal memory or outside
In register；And/or,
Transport block size unequal to the numerical value of 178 carries out displacement storage, is saved in internal memory or external register
In.
Next it is respectively toward to two kinds of storage modes be described in detail:
For saving memory space, the unequal transport block size of numerical value of 178 can be carried out by the embodiment of the present invention
Self adaptation bit wide stores, and such as, a kind of simple storage method is: the logarithm value transport block size less than 256 uses 1Byte to enter
Row storage；2Byte is used to store for the transport block size more than or equal to 256 and less than 65536；For more than or
Person's transport block size equal to 65536 uses 3Byte or 4Byte to store, the transport block size that logarithm value is different the most respectively
Use different bit wides to store, use when the numerical value of transport block size is less less byte to store, work as transmission
More byte is used to store when the numerical value of block size is bigger, it is to avoid all of transport block size is used identical byte
The space waste carrying out storing and cause, carries out adaptive bit wide storage according to the numerical value of each transport block size, it is possible to enter
One step is effectively saved the memory space that transport block size takies.
By the numerical value of transport block size is analyzed, owing to the numerical value of transport block size must be the multiple of 8,
Therefore 178 unequal transport block sizes of numerical value can also be carried out displacement storage, namely by unequal for 178 numerical value
Transport block size is divided by 2NThe result obtained after (wherein the value of N is 1,2,3) stores in internal memory or external register,
When N value is 1, represents and 178 unequal transport block sizes of numerical value are moved to right one, when N value is 2, represent 178
The unequal transport block size of individual numerical value moves to right two, when N value is 3, represents big to 178 unequal transmission blocks of numerical value
Little move to right three.Such as, 178 unequal transport block sizes of numerical value are deposited divided by 8 results 2Byte obtained afterwards
Storage, wherein, 178 unequal transport block sizes of numerical value are expressed as a set divided by the results obtained after 8: TB Size
Source/8=[2 3 4 5 7 911 13 15 17 18 19 22 26 28 32 35 36 37 41 42 43 4749 51
53 55 57 59 61 63 65 67 69 71 73 75 77 79 8185 87 89 93 97 101 105 109 113
117 121 125 129 133137 141 145 149 153 157 161 165 169 173 177 185 193201 209
217 225 233 241 249 253 261 269 277 285 293301 309 317 325 333 341 349 357
373 389 405 421 437453 469 485 501 517 533 549 573 597 621 645 669 693717 749
775 807 839 871 903 935 967 999 1031 1063 10951143 1191 1239 1287 1335 1383
1431 1479 1527 1572 16201692 1764 1836 1908 1980 2052 2124 2196 2292 2385
24812577 2673 2769 2865 2961 3062 3182 3302 3422 3542 36623822 3963 4107 4251
4395 4587 4736 4904 5072 5296 54775669 5861 6117 6378 6594 6882 7167 7407
7708 7972 83248601 8889 9214 9422]。
In order to further save memory space, in the embodiment of the present invention, it is also possible to biography unequal to the numerical value of 178
Defeated block size carries out displacement storage and self adaptation bit wide stores, and then result is saved in internal memory or external memory storage, example
As, 178 unequal transport block sizes of numerical value can be carried out self adaptation bit wide storage, to little again divided by the result after 8
Transport block size in 256 divided by 8 after the result that obtains use 1Byte to store；To the transmission more than or equal to 256
The result that block size obtains afterwards divided by 8 uses 2Byte to store.
103, the unequal transport block size of all numerical value according to the information of control and storage obtains the transmission block of present frame
Size.
Wherein, control information includes: resource allocation information, modulating-coding form index (MCS Index, Modulation
Coding Scheme Index), channel quality instruction index (CQI Index, Channel Quantity Indicator
Index), the orthogonal frequency that Physical Downlink Control Channel (PDCCH, Physical Downlink Control Channel) takies
Divide multiplexing (OFDM, Orthogonal Frequency Division Multiplexing) symbolic number.
It should be noted that resource allocation information middle finger be shown with present frame distribute to terminal Physical Resource Block (PRB,
Physical Resource Block) number, the OFDM symbol number that PDCCH takies is referred to by physical control format
Show that channel (PCFICH, Physical Control Format Indicator Channel) carries, obtain by resolving PCFICH
Arrive.
In embodiments of the present invention, in internal memory or external register storage be that the unequal transmission block of all numerical value is big
Little, when needing the transport block size obtaining present frame, according to control information and the unequal biography of all numerical value that stores before
Defeated block size obtains, wherein, if the acquisition device of the transport block size of embodiment of the present invention offer is located in LTE system
End side, control information refers to base station and is handed down to the signaling controlling transmission of terminal, namely Downlink Control Information
(DCI, Downlink Control Information).If the acquisition device of the transport block size that the embodiment of the present invention provides sets
Base station side in LTE system, control information refers to user terminal and is sent to the CQI of base station and user terminal is distributed in base station
Running time-frequency resource.
In embodiments of the present invention, obtaining according to the unequal transport block size of all numerical value of the information of control and storage ought
The transport block size of front frame can illustrate also according to described below: control information CQI or DCI according to present frame can obtain
To MCS Index, further obtain TBS Index according to MCS Index；Included by control information according to present frame
Resource allocation information can obtain the Physical Resource Block number PRB number distributing to user, finally can be according to Physical Resource Block number PRB
, the unequal transport block size of all numerical value of TBS Index and storage obtain the transport block size of present frame.
In embodiments of the present invention, unequal for all numerical value transport block size is stored by the acquisition device of transport block size
After internal memory or external register, when needing the transport block size obtaining present frame, the acquisition device of transport block size can
To obtain the transport block size of present frame according to the unequal transport block size of all numerical value stored before and control information,
In actual applications, there are multiple specific implementation, will be given in the subsequent embodiment of the present invention the most specifically
Bright.
In embodiments of the present invention, from transport block size table, the unequal transmission block of all numerical value is first extracted big
Little, the most again these unequal transport block sizes of all numerical value are stored in internal memory or in external memory storage, when needing
Carry out according to the unequal transport block size of all numerical value of control information and storage during the transport block size of present frame to be obtained
Acquire, due to the unequal transport block size of numerical value in the only transport block size table of storage, and not all biography
Defeated block size all stores, it is possible to save memory space, according to the mode of the acquisition TB size that the embodiment of the present invention provides,
The cost or power consumption cost paid when obtaining TB Size can be reduced, it is adaptable to the most sensitive with power consumption index to cost
Mobile interchange terminal device.
Next the acquisition side of the transport block size that the embodiment of the present invention provides is introduced with another detailed embodiment
Method, refers to, shown in Fig. 2, comprise the steps:
201, from transport block size table, the unequal transport block size of all numerical value is extracted.
202, unequal for all numerical value transport block size is stored internal memory or external register.
Step 101 that step 201～the content of 202 and previous embodiment are introduced～102 similar, here is omitted.
203, obtain each self-corresponding transport block size index of the unequal transport block size of all numerical value (TBS Index,
Transport Block Size Index).
In embodiments of the present invention, in internal memory or external register storage be that the unequal transmission block of all numerical value is big
Little, when needing the transport block size obtaining present frame, it is unequal that first the acquisition device of transport block size obtains all numerical value
The each self-corresponding TBS Index of transport block size, i.e. firstly the need of obtain the unequal transport block size of each numerical value TBS
Index。
In embodiments of the present invention, obtain each self-corresponding TBSIndex of the unequal transport block size of all numerical value to have
Multiple attainable mode, can be to include any one mode following:
A1, according to MCS Index and the corresponding relation of TBS Index in the modulation of PDSCH and transport block size index table
Obtain TBS Index；Or,
A2, according to base station end, the measurement result of up channel is obtained TBS Index；Or,
A3, according to described CQI Index obtain TBS Index.
For A1 kind implementation, according to the modulation of PDSCH and transport block size index table, (English full name is
Modulation and TBS index table for PDSCH) in MCS Index and TBS Index corresponding relation obtain
TBS Index.If the end side that the acquisition device of the transport block size that the embodiment of the present invention provides is located in LTE system, for
For terminal, can be according to " modulating and encoding in Downlink Control Information (DCI, Downlink Control Information)
Scheme (Modulation and coding scheme) " obtain MCS Index, then according to MCS Index and TS36.213
MCS Index and TBS in Table 7.1.7.1-1:Modulation and TBS index table for PDSCH
The corresponding relation of Index obtains TBS Index.
For A2 kind implementation, according to base station end, the measurement result of up channel is obtained TBS Index.If the present invention
The base station side that the acquisition device of the transport block size that embodiment provides is located in LTE system, for base station side, can be according to base
Stand the side measurement result acquisition TBS Index to up channel, and here is omitted to implement process.
For A3 kind implementation, obtain TBS Index according to CQI Index, if the transmission that the embodiment of the present invention provides
The acquisition device of block size is located at the base station side in LTE system, for base station side, it is possible to according to the CQI of terminal to report
Index obtains TBS Index, and wherein, the corresponding relation of CQI Index and TBS Index specifically can be implemented refering to the present invention
Shown in the table 1 that example provides.
Table 1, mapping table for CQI Index Yu TBS Index
| CQI Index | TBS Index |
| 0 | |
| 1 | 0 |
| 2 | 0 |
| 3 | 2 |
| 4 | 4 |
| 5 | 6 |
| 6 | 8 |
| 7 | 10 |
| 8 | 12 |
| 9 | 14 |
| 10 | 16 |
| 11 | 18 |
| 12 | 20 |
| 13 | 22 |
| 14 | 24 |
| 15 | 25 |
204, can hold according to Physical Downlink Shared Channel (PDSCH, Physical Downlink Shared Channel)
Carry bit number, the unequal transport block size of all numerical value, CRC (CRC, Cyclic Redundancy
Check) total bit number, obtains target bit rate corresponding to TBS Index.
In embodiments of the present invention, the acquisition device of transport block size is obtaining the unequal transport block size of all numerical value
After each self-corresponding TBS Index, can according to PDSCH can carry bit number, the unequal transport block size of all numerical value,
Bit number total for CRC acquires the target bit rate that each TBS Index is the most corresponding.
In embodiments of the present invention, obtain target bit rate Target CR corresponding to TBS Index, can be each by calculating
Target bit rate corresponding respectively for individual TBS Index can realize in the following way, remembers mesh corresponding to each TBSIndex
Coding rate be Target CR(English full name be Target Code Rate), then
Wherein, NPDSCHRepresenting that PDSCH can carry bit number, TB Size represents the unequal transport block size of all numerical value,
LCRCRepresent the total bit number of CRC.
It should be noted that PDSCH can carry bit number NPDSCHBy multiple-input and multiple-output (MIMO, Multiple-Input
Multiple-Output) system configuration, distribute to user terminal PRB number, the OFDM symbol number that takies of PDSCH and
Modulation systems etc. determine；When not considering primary and secondary synchronizing signal and Physical Broadcast Channel (PBCH, Physical Broadcast
Channel) take, control signal takies 3 OFDM symbol, transmission antenna number is 2 and conventional cyclic prefix (CP, Cyclic
Prefix), time, PDSCH can carry bit number NPDSCH=120·Qm·NPRB.Wherein NPRBRepresent the PRB distributing to this user terminal
Number；LCRCRefer to the total bit number of CRC, including the bit number of transmission block and encoding block CRC；QmRepresent order of modulation.
It addition, the target bit rate described in the embodiment of the present invention can calculate in advance, be then store in internal memory or
In external memory storage, directly carry out extracting when needing to use target bit rate corresponding for TBS Index in subsequent step using
, the mode additionally obtaining target bit rate in the embodiment of the present invention can also have other implementation, such as, calculate one
During corresponding for TBS Index target bit rate, TB Size all possible under this TBSIndex can be calculated object code
Rate, then to all target bit rate averaged calculated, obtains this target bit rate corresponding for TBS Index, the most only
Explain, do not limit.
The method that the target bit rate corresponding for calculating TBS Index of embodiment of the present invention offer is provided, each mesh obtained
Coding rate is specifically as follows shown in table 2, wherein, shows 29 MCS Index, 27 TBS Index correspondences respectively in table 2
QmValue and the target bit rate calculated.
Table 2 is the mapping table of MCS Index, TBS Index, order of modulation and target bit rate
| MCS Index | TBS Index | Order of modulation (Qm) | Target CR |
| 0 | 0 | 2 | 0.11718 |
| 1 | 1 | 2 | 0.1533 |
| 2 | 2 | 2 | 0.18847 |
| 3 | 3 | 2 | 0.2451 |
| 4 | 4 | 2 | 0.3007 |
| 5 | 5 | 2 | 0.37012 |
| 6 | 6 | 2 | 0.4384 |
| 7 | 7 | 2 | 0.51367 |
| 8 | 8 | 2 | 0.5878 |
| 9 | 9 | 2 | 0.664 |
| 10 | 9 | 4 | 0.332 |
| 11 | 10 | 4 | 0.369 |
| 12 | 11 | 4 | 0.4238 |
| 13 | 12 | 4 | 0.4785 |
| 14 | 13 | 4 | 0.54 |
| 15 | 14 | 4 | 0.60156 |
| 16 | 15 | 4 | 0.64155 |
| 17 | 15 | 6 | 0.4277 |
| 18 | 16 | 6 | 0.455 |
| 19 | 17 | 6 | 0.50488 |
| 20 | 18 | 6 | 0.5537 |
| 21 | 19 | 6 | 0.60156 |
| 22 | 20 | 6 | 0.6504 |
| 23 | 21 | 6 | 0.702 |
| 24 | 22 | 6 | 0.754 |
| 25 | 23 | 6 | 0.8027 |
| 26 | 24 | 6 | 0.8525 |
| 27 | 25 | 6 | 0.888 |
| 28 | 26 | 6 | 1.032 |
205, according to corresponding target bit rate, resource allocation information, the MCS Index of TBS Index, TBS Index with deposit
The unequal transport block size of all numerical value of storage, calculates the transport block size of present frame.
In embodiments of the present invention, the acquisition device of transport block size is getting target bit rate corresponding to TBS Index
Afterwards, the acquisition device of transport block size just can be according to target bit rate corresponding to TBS Index, TBS Index, resource distribution
The unequal transport block size of all numerical value of information, MCS Index and storage, calculates the transport block size of present frame.
In embodiments of the present invention, according to target bit rate corresponding to TBS Index, TBS Index, resource allocation information,
The unequal transport block size of all numerical value of MCS Index and storage, calculate present frame transport block size, can include as
Lower step:
B1, calculate the initial value TBSize_init of the transport block size of present frame in the following way:
TBSize_init=120×Target CR×Qm×NPRB,
Wherein, Target CR is the target bit rate that TBS Index is corresponding, QmRepresent order of modulation, NPRBDistribute for resource
The number of the PRB distributing to terminal of instruction in information；
B2, in the following way the bit number that CRC is total is corrected, remembers that bit number total for corrected CRC is L 'CRC:
If TBSize_init is less than or equal to 6144, then L 'CRC=24,
If TBSize_init is more than 6144, then
Wherein,Represent and TBSize_init/6144 is rounded up；
B3, by (TBSize_init-L 'CRC) carry out numeric ratio with the unequal transport block size of all numerical value stored
Relatively, by (TBSize_init-L 'CRC) with the most close transport block size in the unequal transport block size of all numerical value as working as
The transport block size of front frame.
For step B1, the initial value of the transport block size of note present frame is TBSize_init, then in step B2, and profit
Being corrected, with TBSize_init, the bit number that CRC is total, the bit number total for CRC after note correction is L 'CRC, 6144 is
Big code length, in step B3, deducts L ' by TBSize_initCRCThe result obtained afterwards and the unequal biography of all numerical value
Defeated block size carries out numeric ratio relatively, by unequal for all numerical value transport block size with (TBSize_init-L 'CRC) the most close
Transport block size as the transport block size of present frame.
It can be seen that the present embodiment need not full storage TS36.213 Table7.1.7.2.1-from above example
2970 TB Size values in 1, and only need to store unequal 178 TB Size values, then according to the target bit rate of storage,
178 unequal TB Size values, resource allocation information and MCS Index can obtain Current resource by mathematical operation and divide
Join the TB Size value under information, the embodiment of the present invention can effectively be avoided directly store the bigger of TB Size watchband
Storage overhead.
Next the acquisition side of the transport block size that the embodiment of the present invention provides is introduced with another detailed embodiment
Method, refers to, shown in Fig. 3, comprise the steps:
301, from transport block size table, the unequal transport block size of all numerical value is extracted.
302, unequal for all numerical value transport block size is stored internal memory or external register.
Step 101 that step 301～the content of 302 and previous embodiment are introduced～102 similar, here is omitted.
303, each transport block size in transport block size table is replaced with each transport block size at all numerical value not
The equal location index in transport block size, obtains transport block size position mapping table.
In embodiments of the present invention, unequal for all numerical value transport block size is stored by the acquisition device of transport block size
After among internal memory or external memory storage, one location index of the unequal transport block size of each numerical value, it is used to refer to
Show transport block size position in all unequal transport block sizes, such as, the TB described in previous embodiment
178 elements in Size Source, each element has a location index in TB Size Source, for table
Show this element position in TB Size Source, if the element of location index 9 correspondence is 120, location index 11 correspondence
Element is 144, say, that 178 elements in TB Size Source are respectively configured location index, from 1 to 178, point
In corresponding TB Size Source from first element 16 to last element 75376.
In embodiments of the present invention, the acquisition device generation transport block size position mapping table of transport block size (is also referred to as
For TBS position mapping table), this transport block size position mapping table is each transport block size in transport block size table to be replaced
Obtain for each transport block size location index in the unequal transport block size of all numerical value, such as, for transmission
Transport block size in block size table is 16, then this transport block size 16 replaced with its location index 1, big for transmission block
Transmission block in little table is 75376, then this transport block size 75376 replaced with its location index 178 ..., thus, time
Go through complete transport block size table, after all of transport block size all being replaced with the location index of its correspondence, it is possible to
Obtain the transport block size position mapping table that the embodiment of the present invention provides.
It should be noted that TB Size position mapping table can be stored in internal memory or external memory storage, TB Size
The corresponding unique one group of N of each element in the mapping table of positionPRBAnd ITBS, wherein, NPRBFor dividing of indicating in resource allocation information
The number of the PRB of dispensing terminal, ITBSRepresent is that in the mapping table of TBS index, TB Size position, the information of storage is
One group of N in Table 7.1.7.2.1-1 in TS36.213PRBAnd ITBSCorresponding TB Size position in TB Size Source
Index, owing to having 178 elements in TB Size Source, therefore in TB Size Source, the location index of element is maximum
Value also after 178, can only represent with 1Bytes；In the mapping table of TB Size position, the labeling method to element is same
Table 7.1.7.2.1-1 in TS36.213, i.e. ITBSMark, from 0 to 26, has 27 row；NPRBFrom 1 to 110, have 110 row.
Such as according to TS36.213 Table 7.1.7.2.1-1 table, work as ITBS=1 and NPRBWhen=3, TB Size value is 88, if TB is Size
In the mapping table of position, (line number is designated the 2nd row: ITBS+ 1) (line number is designated the 3rd row: NPRB) store is 7, i.e. corresponds to TB
The 7th element in Size Source, TBSize value is 88.
Owing to all elements in transport block size table is simply replaced by TBSize position mapping table, therefore TBSize
Position mapping table remains 27 × 110, the same TS36.213Table7.1.7.1-1 of the implication of row and column in this table, simply in this table
Storage is not TBsize value, and in this table, certain TBsize value of storage is in 178 unequal transport block sizes of numerical value
Location index.
304, from control information, obtain each self-corresponding TBS Index of the unequal transport block size of all numerical value.
The step 203 that the content of step 304 and previous embodiment are introduced is similar, and here is omitted.
305, from control information, obtain the number of the PRB distributing to terminal.
In embodiments of the present invention, resource allocation information middle finger is shown with the number of the PRB distributing to terminal, transport block size
Acquisition device can get the number of PRB from resource allocation information, be NPRBIf, the biography that the embodiment of the present invention provides
The acquisition device of defeated block size is located at the end side in LTE system, and the acquisition device of transport block size can also be according to DCI information
In " resource block assignments (English full name be Resource block assignment) " field obtain and distribute to this user terminal
PRB number.
306, according to the number of TBS Index and PRB, from the mapping table of transport block size position, the biography of present frame is found
Defeated block size location index in the mapping table of transport block size position.
In embodiments of the present invention, the TBS Index that the acquisition device of transport block size gets is ITBS, get
The number of PRB is NPRB, the acquisition device of transport block size is according to ITBSAnd NPRBFind from the mapping table of transport block size position
The location index that the transport block size of present frame is corresponding, say, that in the embodiment of the present invention, the acquisition device of transport block size
According to ITBSAnd NPRBFirst find the location index corresponding to the transport block size of present frame, then, by just performing step 307
The transport block size of present frame can be got.
Such as, according to ITBS、NPRBWith transport block size (the also referred to as mesh that TB Size position mapping table obtains present frame
Mark TB Size) location index in TB Size Source.As, work as ITBS=1 and NPRB=3 constantly: according to ITBS=1 and NPRB=3
Obtaining the location index of the 2nd row the 3rd row storage in the mapping table of TB Size position with TB Size position mapping table is 7, the most permissible
Getting target TB Size location index in TB Size Source is 7.
307, according to location index in the mapping table of transport block size position of the transport block size of present frame from all numbers
It is worth the transport block size getting present frame in unequal transport block size.
In embodiments of the present invention, the taker device that obtains of transport block size obtains the position that the transport block size of present frame is corresponding
After putting index, it is possible to get the biography of present frame from the unequal transport block size of all numerical value according to this location index
Defeated block size.
Such as, obtain according to target TB Size location index in TB Size Source and TB Size Source
Target TB Size.As, work as ITBS=1 and NPRBWhen=3, target TBSize obtained according to abovementioned steps is at TB Size
Location index 7 in Source, then obtain the 7th among TB Size Source according to location index from TB Size Source
Individual element is 88, and the transport block size i.e. getting present frame is 88.
It should be noted that in embodiments of the present invention, 178 unequal TB Size are stored when using 4 Bytes
When storing TB Size position mapping table with 1 Byte, storage (Memory) expense required in the embodiment of the present invention is: 178
×4Bytes+27×110Bytes=3682Bytes.Relative in prior art directly store transport block size table scheme, joint
Save the Memory expense of (11880-3682)/11880=69.01%.
By only storing 178 numerical value unequal TB Size values and including 27 × 110 positions in the embodiment of the present invention
The TB Size position mapping table of index, greatly reduces the memory space that storage TB Size takies so that the storage of TB Size
Save the Memory expense of about 69%.
Above example describes the acquisition methods of the transport block size that the embodiment of the present invention provides, following and this acquisition
The acquisition device of the corresponding transport block size of method, in actual applications, obtaining of the transport block size that the embodiment of the present invention provides
Fetching is put in specifically can being built in terminal or base station, realizes transmission block big by the way of software or hardware integration
Little acquisition.The device corresponding with the method for introduction in said method embodiment will be introduced in embodiments of the present invention, specifically
The execution method of each unit can be found in said method embodiment, only describes the content of correlation unit at this, is described as follows.Please
Refering to the embodiment of the present invention provide Fig. 4 shown in, the acquisition device 400 of transport block size, including:
Extraction unit 401, for extracting the unequal transport block size of all numerical value from transport block size table；
Memory cell 402, is used for that the described unequal transport block size of all numerical value is stored internal memory or outside is posted
Storage；
Acquiring unit 403, obtains for the unequal transport block size of all numerical value according to the information of control and storage and works as
The transport block size of front frame, wherein, described control information includes: resource allocation information, modulating-coding form index MCS
The orthogonal frequency division multiplex OFDM symbol that Index, channel quality instruction index CQI Index, physical downlink control channel PDCCH take
Number number.
It should be noted that contents such as mutual, the execution processes of information between each module/unit of said apparatus, due to
The inventive method embodiment is based on same design, and its technique effect brought is identical with the inventive method embodiment, particular content
Can be found in the narration in present invention embodiment of the method as shown in Figure 1, here is omitted.
In embodiments of the present invention, from transport block size table, the unequal transmission block of all numerical value is first extracted big
Little, the most again these unequal transport block sizes of all numerical value are stored in internal memory or in external memory storage, when needing
Carry out according to the unequal transport block size of all numerical value of control information and storage during the transport block size of present frame to be obtained
Acquire, due to the unequal transport block size of numerical value in the only transport block size table of storage, and not all biography
Defeated block size all stores, it is possible to save memory space, according to the mode of the acquisition TB size that the embodiment of the present invention provides,
The cost or power consumption cost paid when obtaining TB Size can be reduced, it is adaptable to the most sensitive with power consumption index to cost
Mobile interchange terminal device.
Next introduce the acquisition device of the another kind of transport block size that the embodiment of the present invention provides, refer to shown in Fig. 5,
The acquisition device 400 of transport block size, including:
Extraction unit 401, for extracting the unequal transport block size of all numerical value from transport block size table；
Memory cell 402, is used for that the described unequal transport block size of all numerical value is stored internal memory or outside is posted
Storage；
Acquiring unit 403, including:
First obtains subelement 4031, is used for obtaining the described each self-corresponding biography of the unequal transport block size of all numerical value
Defeated block size index TBS Index；
Second obtains subelement 4032, for carrying bit number, all numerical value according to Physical Downlink Shared Channel PDSCH
Unequal transport block size, bit number total for CRC CRC, obtain described object code corresponding for TBS Index
Rate Target CR；
Computation subunit 4033, for the target bit rate corresponding according to described TBS Index, TBS Index, resource distribution
The unequal transport block size of all numerical value of information, MCS Index and storage, calculates the transport block size of present frame.
It should be noted that in embodiments of the present invention, for second obtains subelement 4032, as one of which
Attainable mode is, second obtains subelement 4032, including: calculate described mesh corresponding for TBS Index in the following way
Coding rate Target CR:
Wherein, described NPDSCHRepresenting that described PDSCH can carry bit number, described TB Size represents that all numerical value is unequal
Transport block size, described LCRCRepresent the total bit number of described CRC.
It should be noted that in embodiments of the present invention, for computation subunit 4033, can be real as one of which
Existing mode is, computation subunit 4033, including:
Calculate the initial value TBSize_init of the transport block size of described present frame in the following way:
TBSize_init=120×Target CR×Qm×NPRB,
Wherein, described Target CR is described target bit rate corresponding for TBS Index, described QmFor order of modulation, described
NPRBFor the number of the Physical Resource Block PRB distributing to terminal of instruction in described resource allocation information；
In the following way the bit number that described CRC is total is corrected, remembers that bit number total for corrected CRC is L
′CRC:
If TBSize_init is less than or equal to 6144, then L 'CRC=24,
If TBSize_init is more than 6144, then
Wherein,Represent and TBSize_init/6144 is rounded up；
By (TBSize_init-L 'CRC) carry out numeric ratio relatively with the unequal transport block size of all numerical value stored, will
(TBSize_init-L′CRC) with the most close transport block size in the unequal transport block size of all numerical value as present frame
Transport block size.
It should be noted that in embodiments of the present invention, for memory cell 402, can realize as one of which
Mode be that the described unequal transport block size of all numerical value that extracts from transport block size table includes 178 altogether
Element, memory cell 402, including:
First storing sub-units 4021, for carrying out self adaptation bit wide to the unequal transport block size of numerical value of 178
Storage, is saved in internal memory or external register；And/or,
Second storing sub-units 4022, for the unequal transport block size of numerical value of 178 carries out displacement storage, protects
It is stored in internal memory or external register.
It can be seen that the present embodiment need not full storage TS36.213Table7.1.7.2.1-1 from above example
In 2970 TB Size values, and only need to store unequal 178 TB Size values, then according to the target bit rate of storage,
178 unequal TB Size values, resource allocation information and MCS Index can obtain Current resource by mathematical operation and divide
Join the TB Size value under information, the embodiment of the present invention can effectively be avoided directly store the bigger of TB Size watchband
Storage overhead.
Next introduce the acquisition device of the another kind of transport block size that the embodiment of the present invention provides, refer to shown in Fig. 5,
The acquisition device 400 of transport block size, including:
Extraction unit 401, for extracting the unequal transport block size of all numerical value from transport block size table；
Memory cell 402, is used for that the described unequal transport block size of all numerical value is stored internal memory or outside is posted
Storage；
Acquiring unit 403, including:
First obtains subelement 4031, for obtaining the described unequal transmission block of all numerical value from described control information
The each self-corresponding transport block size index TBS Index of size；
3rd obtains subelement 4034, for obtaining the Physical Resource Block PRB distributing to terminal from described control information
Number；
Search subelement 4035, for according to described TBS Index and the number of described PRB, from described transport block size
Position mapping table finds the transport block size of the present frame location index in the mapping table of described transport block size position；
4th obtains subelement 4036, is used for the transport block size according to described present frame in described transport block size position
Location index in mapping table gets the transmission block of described present frame from the described unequal transport block size of all numerical value
Size.
Signal generating unit 404, stores interior for described memory cell by the described unequal transport block size of all numerical value
Deposit or after external register, each transport block size in transport block size table is replaced with each transport block size described
Location index in the described unequal transport block size of all numerical value, obtains transport block size position mapping table.
It should be noted that in embodiments of the present invention, for memory cell 402, can realize as one of which
Mode be that the described unequal transport block size of all numerical value that extracts from transport block size table includes 178 altogether
Element, memory cell 402, including:
First storing sub-units 4021, for carrying out self adaptation bit wide to the unequal transport block size of numerical value of 178
Storage, is saved in internal memory or external register；And/or,
Second storing sub-units 4022, for the unequal transport block size of numerical value of 178 carries out displacement storage, protects
It is stored in internal memory or external register.
In the embodiment of the present invention, each transport block size in transport block size table is replaced with each transmission by signal generating unit
Block size location index in the unequal transport block size of all numerical value, has obtained transport block size position mapping table, logical
Cross and only store 178 numerical value unequal TB Size values and include the TB Size position mapping table of 27 × 110 location indexs,
Greatly reduce the memory space that storage TB Size takies so that the storage of TB Size saves the Memory of about 69% and opens
Pin.
One of ordinary skill in the art will appreciate that all or part of step realizing in above-described embodiment method is permissible
Instructing relevant hardware by program to complete, described program can be stored in a kind of computer-readable recording medium, on
Stating the storage medium mentioned can be read-only storage, disk or CD etc..
Acquisition methods and device to a kind of transport block size provided by the present invention are described in detail above, for
One of ordinary skill in the art, according to the thought of the embodiment of the present invention, the most all has
In place of change, in sum, this specification content should not be construed as limitation of the present invention.
Claims (10)
1. the acquisition methods of a transport block size, it is characterised in that including:
The unequal transport block size of all numerical value is extracted from transport block size table；
The described unequal transport block size of all numerical value is stored internal memory or external register；
The unequal transport block size of all numerical value according to the information of control and storage obtains the transport block size of present frame, its
In, described control information includes: resource allocation information, modulating-coding form index MCSIndex, channel quality instruction index CQI
The orthogonal frequency division multiplex OFDM symbolic number that Index, physical downlink control channel PDCCH take.
Method the most according to claim 1, it is characterised in that described according to the information of control and all numerical value not phase of storage
Deng transport block size obtain present frame transport block size, including:
Obtain each self-corresponding transport block size index TBS Index of the described unequal transport block size of all numerical value；
Bit number, the unequal transport block size of all numerical value, cyclic redundancy can be carried according to Physical Downlink Shared Channel PDSCH
The bit number that check code CRC is total, obtains described target bit rate Target CR corresponding for TBS Index；
According to corresponding target bit rate, resource allocation information, MCS Index and the storage of described TBS Index, TBS Index
The unequal transport block size of all numerical value, calculates the transport block size of present frame.
Method the most according to claim 2, it is characterised in that
Described can carry bit number, the unequal transport block size of all numerical value, circulation according to Physical Downlink Shared Channel PDSCH
The bit number that redundancy check code CRC is total, obtains described target bit rate Target CR corresponding for TBS Index, including:
Calculate described target bit rate Target CR corresponding for TBS Index in the following way:
Wherein, described NPDSCHRepresenting that described PDSCH can carry bit number, described TB Size represents the unequal biography of all numerical value
Defeated block size, described LCRCRepresent the total bit number of described CRC；
The described target bit rate corresponding according to described TBS Index, TBS Index, resource allocation information, MCS Index and deposit
The unequal transport block size of all numerical value of storage, calculates the transport block size of present frame, including:
Calculate the initial value TBSize_init of the transport block size of described present frame in the following way:
TBSize_init=120 × Target CR × Qm×NPRB,
Wherein, described QmFor order of modulation, described NPRBFor the physics money distributing to terminal of instruction in described resource allocation information
The number of source block PRB；
In the following way the bit number that described CRC is total is corrected, remembers that bit number total for corrected CRC is L 'CRC:
If TBSize_init is less than or equal to 6144, then L 'CRC=24,
If TBSize_init is more than 6144, then
Wherein,Represent and TBSize_init/6144 is rounded up；
By (TBSize_init-L 'CRC) carry out numeric ratio relatively with the unequal transport block size of all numerical value stored, will
(TBSize_init-L′CRC) with the most close transport block size in the unequal transport block size of all numerical value as present frame
Transport block size.
Method the most according to claim 1, it is characterised in that
The described unequal transport block size of all numerical value that extracts from transport block size table includes 178 elements altogether；
Described the described unequal transport block size of all numerical value is stored internal memory or external register, including:
Transport block size unequal to the numerical value of 178 carries out self adaptation bit wide storage, is saved in internal memory or outside is deposited
In device；And/or,
Transport block size unequal to the numerical value of 178 carries out displacement storage, is saved in internal memory or external register.
Method the most according to claim 1, it is characterised in that
Described the described unequal transport block size of all numerical value is stored internal memory or external register, the most also includes:
Each transport block size in transport block size table is replaced with each transport block size described at described all numerical value not
The equal location index in transport block size, obtains transport block size position mapping table；
The described unequal transport block size of all numerical value according to the information of control and storage obtains the transport block size of present frame,
Including:
The each self-corresponding transport block size rope of the described unequal transport block size of all numerical value is obtained from described control information
Draw TBS Index；
The number of the Physical Resource Block PRB distributing to terminal is obtained from described control information；
According to described TBS Index and the number of described PRB, from the mapping table of described transport block size position, find present frame
Transport block size location index in the mapping table of described transport block size position；
The transport block size according to described present frame location index in the mapping table of described transport block size position is from described institute
There is the transport block size getting described present frame in the unequal transport block size of numerical value.
6. the acquisition device of a transport block size, it is characterised in that including:
Extraction unit, for extracting the unequal transport block size of all numerical value from transport block size table；
Memory cell, for storing internal memory or external register by the described unequal transport block size of all numerical value；
Acquiring unit, obtains the biography of present frame for the unequal transport block size of all numerical value according to the information of control and storage
Defeated block size, wherein, described control information includes: resource allocation information, modulating-coding form index MCS Index, channel matter
The orthogonal frequency division multiplex OFDM symbolic number that amount instruction index CQI Index, physical downlink control channel PDCCH take.
Device the most according to claim 6, it is characterised in that described acquiring unit, including:
First obtains subelement, is used for obtaining the described each self-corresponding transport block size of the unequal transport block size of all numerical value
Index TBS Index；
Second obtains subelement, unequal for carrying bit number, all numerical value according to Physical Downlink Shared Channel PDSCH
Transport block size, bit number total for CRC CRC, obtain described target bit rate Target corresponding for TBS Index
CR；
Computation subunit, for the target bit rate corresponding according to described TBS Index, TBS Index, resource allocation information, MCS
The unequal transport block size of all numerical value of Index and storage, calculates the transport block size of present frame.
Device the most according to claim 7, it is characterised in that described two obtain subelement, including:
Calculate described target bit rate Target CR corresponding for TBS Index in the following way:
Wherein, described NPDSCHRepresenting that described PDSCH can carry bit number, described TB Size represents the unequal biography of all numerical value
Defeated block size, described LCRCRepresent the total bit number of described CRC；
Described computation subunit, including:
Calculate the initial value TBSize_init of the transport block size of described present frame in the following way:
TBSize_init=120×Target CR×Qm×NPRB,
Wherein, described QmFor order of modulation, described NPRBFor the physics money distributing to terminal of instruction in described resource allocation information
The number of source block PRB；
In the following way the bit number that described CRC is total is corrected, remembers that bit number total for corrected CRC is L 'CRC:
If TBSize_init is less than or equal to 6144, then L 'CRC=24,
If TBSize_init is more than 6144, then
Wherein,Represent and TBSize_init/6144 is rounded up；
By (TBSize_init-L 'CRC) carry out numeric ratio relatively with the unequal transport block size of all numerical value stored, will
(TBSize_init-L′CRC) with the most close transport block size in the unequal transport block size of all numerical value as present frame
Transport block size.
Device the most according to claim 6, it is characterised in that described extract all numerical value not from transport block size table
Equal transport block size includes 178 elements altogether；
Described memory cell, including:
First storing sub-units, for the unequal transport block size of numerical value of 178 is carried out self adaptation bit wide storage, preserves
In internal memory or external register；And/or,
Second storing sub-units, for the unequal transport block size of numerical value of 178 carries out displacement storage, is saved in internal memory
Or in external register.
Device the most according to claim 6, it is characterised in that described device also includes:
Signal generating unit, stores internal memory or outer for described memory cell by the described unequal transport block size of all numerical value
After portion's register, each transport block size in transport block size table is replaced with each transport block size described in described institute
There is the location index in the unequal transport block size of numerical value, obtain transport block size position mapping table；
Described acquiring unit, including:
First obtains subelement, for obtaining the described unequal transport block size of all numerical value from described control information each
Corresponding transport block size index TBS Index；
3rd obtains subelement, for obtaining the number of the Physical Resource Block PRB distributing to terminal from described control information；
Search subelement, for according to described TBS Index and the number of described PRB, mapping from described transport block size position
Table finds the transport block size of the present frame location index in the mapping table of described transport block size position；
4th obtains subelement, is used for the transport block size according to described present frame in the mapping table of described transport block size position
Location index from the described unequal transport block size of all numerical value, get the transport block size of described present frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210307782.4A CN103634851B (en) | 2012-08-27 | 2012-08-27 | The acquisition methods of a kind of transport block size and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210307782.4A CN103634851B (en) | 2012-08-27 | 2012-08-27 | The acquisition methods of a kind of transport block size and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103634851A CN103634851A (en) | 2014-03-12 |
| CN103634851B true CN103634851B (en) | 2016-08-31 |
Family
ID=50215378
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210307782.4A Active CN103634851B (en) | 2012-08-27 | 2012-08-27 | The acquisition methods of a kind of transport block size and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103634851B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721810B (en) * | 2014-12-05 | 2019-06-04 | 北大方正集团有限公司 | A kind of image compression and storing method and device |
| US9775141B2 (en) * | 2015-07-14 | 2017-09-26 | Motorola Mobility Llc | Method and apparatus for reducing latency of LTE uplink transmissions |
| CN108353285B (en) * | 2015-10-16 | 2021-02-05 | 华为技术有限公司 | Method for determining size of transmission block, user equipment and base station |
| CN107197521B (en) * | 2016-03-15 | 2023-01-13 | 夏普株式会社 | Mechanism for determining physical shared channel parameters, base station and user equipment |
| CN108781454B (en) * | 2016-03-29 | 2020-04-03 | 华为技术有限公司 | Bit block size determination method and device |
| WO2018065036A1 (en) | 2016-10-04 | 2018-04-12 | Huawei Technologies Co., Ltd. | Multiuser superposed transission with flexible transport block size selection |
| CN109495968B (en) * | 2017-09-12 | 2023-01-13 | 华为技术有限公司 | Method and device for data transmission |
| WO2019095426A1 (en) * | 2017-11-17 | 2019-05-23 | 华为技术有限公司 | Information processing method and wireless transmission device |
| CN111901273A (en) * | 2020-01-17 | 2020-11-06 | 中兴通讯股份有限公司 | Modulation coding method, device, equipment and storage medium |
| CN113784356B (en) * | 2021-10-27 | 2023-08-08 | 哲库科技(北京)有限公司 | Communication parameter determining method, device, equipment and storage medium |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101099312A (en) * | 2005-01-03 | 2008-01-02 | Lg电子株式会社 | Communicating data block in wireless communication system |
| CN101179330A (en) * | 2002-01-31 | 2008-05-14 | 三菱电机株式会社 | Information transmission method with reduced identification data size |
| CN101964697A (en) * | 2010-09-29 | 2011-02-02 | 中兴通讯股份有限公司 | Method and system for determining size of transmission block |
-
2012
- 2012-08-27 CN CN201210307782.4A patent/CN103634851B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101179330A (en) * | 2002-01-31 | 2008-05-14 | 三菱电机株式会社 | Information transmission method with reduced identification data size |
| CN101099312A (en) * | 2005-01-03 | 2008-01-02 | Lg电子株式会社 | Communicating data block in wireless communication system |
| CN101964697A (en) * | 2010-09-29 | 2011-02-02 | 中兴通讯股份有限公司 | Method and system for determining size of transmission block |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103634851A (en) | 2014-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103634851B (en) | The acquisition methods of a kind of transport block size and device | |
| CN104186017B (en) | The transmission method and device of PDSCH | |
| EP3379752A1 (en) | Downlink control information (dci) transmission method and device | |
| WO2011099722A3 (en) | Method and apparatus for resolving the confusion in cces | |
| CN101389106B (en) | Control channel resource allocation and blind detection method | |
| CN103701564A (en) | Implementation method of PDCCH (Physical Downlink Control Channel) total blindness detection in LTE (Long Term Evolution) system | |
| SG11201811699YA (en) | Method for receiving downlink control channel and apparatus therefor | |
| CN106971002A (en) | A kind of data auditing method and system | |
| CN104469804A (en) | Blind test method of physical downlink control channel | |
| US20190014546A1 (en) | Method and apparatus for indicating power allocation in multiuser superposition transmission | |
| CN102186193A (en) | Method and device for judging error detection | |
| CN103237351B (en) | The descending RB resource allocation methods of a kind of LTE system based on polling dispatching | |
| CN108734110A (en) | Text fragment identification control methods based on longest common subsequence and system | |
| CN104424240B (en) | Multilist correlating method, main service node, calculate node and system | |
| CN107027177A (en) | A kind of transmission of Downlink Control Information, detection method and device | |
| CN105898867A (en) | Paging method and device for coverage range enhanced MTC UE | |
| CN103188029A (en) | Coding method for control indicator of control channel and user equipment | |
| DE112014004207B4 (en) | Energy savings through preamble in WLAN systems | |
| CN108200590A (en) | Interference cognitive method, the apparatus and system of wireless communication | |
| CN110233715A (en) | A kind of method of acquisition of information, terminal, base station and system | |
| CN106470445A (en) | Buffer status report generation method and device | |
| CN110324109B (en) | PDSCH (physical Downlink shared channel) rate matching method and device, user terminal and computer readable storage medium | |
| CN109032791A (en) | Resource allocation in multicore architecture | |
| WO2017054514A1 (en) | Pilot frequency configuration method and device | |
| DE112017008131T5 (en) | Phase locked loop switching in a communication system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170503 Address after: Nanping Street 400060 Chongqing Nan'an District Nancheng Road No. 199 left attached to the floor 403 Patentee after: Keen (Chongqing) Microelectronics Technology Co., Ltd. Address before: 400065 Chongqing Nan'an District huangjuezhen pass Fort Park No. 1 Patentee before: Chongqing City Communication & Technology Co., Ltd. |