CN104349463B - The distribution method and device of wideband frequency selective scheduling resource - Google Patents
The distribution method and device of wideband frequency selective scheduling resource Download PDFInfo
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- CN104349463B CN104349463B CN201310320469.9A CN201310320469A CN104349463B CN 104349463 B CN104349463 B CN 104349463B CN 201310320469 A CN201310320469 A CN 201310320469A CN 104349463 B CN104349463 B CN 104349463B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
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Abstract
The present invention provides the distribution method and device of a kind of wideband frequency selective scheduling resource, is related to field of resource allocation：The bit number of transmission, broadband channel quality information index needed for obtaining, indexed according to preformed channel quality information with modulating the corresponding relation indexed with coded system, it is determined that modulation is indexed with coded system, and obtain and modulation and the corresponding transport block size index of coded system index；According to the bit number of required transmission, transport block size index, it is determined that the number of the Physical Resource Block of distribution；Physical Resource Block is distributed for user.The present invention provides the distribution method and device of a kind of wideband frequency selective scheduling resource, by getting after broadband channel quality information index, directly determine modulation coding mode index, it is determined that after be in definite value state, it will not change due to the change of actual available resource units number on the bit number or Physical Resource Block that are transmitted needed for user, so as to avoid the lifting of the receiving terminal bit error rate.
Description
Technical field
The present invention relates to field of resource allocation, the distribution method of more particularly to a kind of wideband frequency selective scheduling resource and
Device.
Background technology
In TD-LTE（Time Division Long Term Evolution, timesharing Long Term Evolution）In system, for certain
A little indoor scenes or channel circumstance more single scene can realize resource allocation using wideband frequency selective scheduling.Broadband
Frequency selective scheduling can both obtain frequency selective scheduling gain, and the realization of sub-bands of frequencies selectively scheduling can be reduced again
Complexity.Wideband frequency selective scheduling combines the broadband CQI of user（Channel Quality Indication, channel matter
Measure information）, system can use the bit that can be carried on PRB (Physical resource block, Physical Resource Block), each PRB
Transmitted bit number needed for several and user, for the available PRB needed for user distributes, accomplishes distribution according to need.
At present, the implementation method of wideband frequency selective scheduling is：
A：Computing system each can use the bit number that PRB can be carried；
The computational methods are by available RE on PRB（Resource element, resource unit）Number, with CQI pairs of broadband
The multiplication for the efficiency of transmission answered, obtains the bit number that the PRB can be carried；
B：The bit number that available PRB in transmitted bit number and system according to needed for user can be carried, is obtained as the use
The available PRB numbers of the actual distribution in family；
C：According to the available PRB numbers of the distribution of protocol definition, required transmitted bit number and transport block size index ITBS's
Corresponding table obtains ITBS, and according to the I of protocol definitionTBSModulation with the actual distribution of user indexes I with coded systemMCSCorrespondence
Relation obtains the modulation of the actual distribution of the user and coded system indexes IMCS；
Wherein, agreement includes：The I that descending scheduling inquiry 3GPP TS36.213 agreements 7.1.7.1-1 is definedTBSAnd IMCS's
Corresponding relation, the I that uplink scheduling inquiry 3GPP TS36.213 agreements 8.6.1-1 is definedTBSAnd IMCSCorresponding relation.
However, due to transmitted needed for user bit number when it is big when small, each available RE numbers also phase not to the utmost on available PRB
Together, therefore the modulation that finally gives indexes I with coded systemMCSAlso can when it is big when it is small so that receiving terminal is being demodulated mistiming
Code check is raised.
The content of the invention
（One）The technical problem of solution
Present invention solves the technical problem that being：How to avoid the modulation of the actual distribution for user from indexing with coded system to become
Change problem, so as to avoid the elevated problem of receiving terminal bit error rate when being demodulated from occurring.
（Two）Technical scheme
The embodiment of the present invention provides a kind of distribution method of wideband frequency selective scheduling resource, including：
The bit number and broadband channel quality information index of transmission needed for obtaining, according to the preformed channel matter
The corresponding relation that information index is indexed with modulation with coded system is measured, determines that the modulation is indexed with coded system, and according to true
The fixed modulation is indexed with coded system, is obtained and the modulation and the corresponding transport block size index of coded system index；
According to the bit number of required transmission and the transport block size index, it is determined that of the Physical Resource Block of distribution
Number；
According to the number for the Physical Resource Block for determining distribution the Physical Resource Block is distributed for user.
Preferably, pair indexed according to the preformed channel quality information index with modulation with coded system
The forming method that should be related to, including：
The rank that the channel quality information is indexed expands to the rank that the modulation is indexed with coded system, the letter
Road quality information index indexes to form corresponding relation with the modulation with coded system；
The corresponding relation indexed according to the preformed channel quality information index with the modulation with coded system,
Determine that the modulation is indexed with coded system, including：
The corresponding relation indexed according to the preformed channel quality information index with the modulation with coded system,
Search the corresponding modulation of the broadband channel quality information index to index with coded system, determine the modulation and coding staff
Formula is indexed.
Preferably, the modulation according to determination is indexed with coded system, is obtained and the modulation and coded system
Corresponding transport block size index is indexed, including：Indexed according to the modulation and coded system,
When carrying out descending scheduling, the modulation and the coded system index and the transport block size of down direction are inquired about
The corresponding table of index, obtains the modulation transport block size index corresponding with coded system index；
When carrying out uplink scheduling, the modulation and the coded system index and the transport block size of up direction are inquired about
The corresponding table of index, obtains the modulation transport block size index corresponding with coded system index.
Preferably, the bit number and the transport block size index of transmission needed for the basis, it is determined that distribution is described
The number of Physical Resource Block, further comprises：
Obtain the corresponding transmitted bit number of the Physical Resource Block for determining distribution；
When carrying out descending scheduling, the coding for the Physical Resource Block for determining distribution is calculated using the transmitted bit number
Efficiency.
Preferably, it is described when carrying out descending scheduling, the physics for determining distribution is calculated using the transmitted bit number
The code efficiency of resource block, including：
According to the available resource units summation on the Physical Resource Block for determining distribution, modulation system and determination distribution
The number transmitted bit number of the Physical Resource Block, calculates the code efficiency for the Physical Resource Block for determining distribution；
Calculation formula is：
Wherein, P is determines the code efficiency of the Physical Resource Block of distribution, and TBsize is the physics for determining distribution
The corresponding transmitted bit number of resource block, Σ RE is determine the available resource units summation on the Physical Resource Block distributed, and M is
Modulation system；
When the value of the code efficiency of the Physical Resource Block for determining distribution is more than 0.93, distribution is determined described
The Physical Resource Block number under, then according to TBsize preset range adjust TBsize sizes, until it is determined that distribution institute
The code efficiency for stating Physical Resource Block is not more than 0.93.
Preferably, the number according to the Physical Resource Block for determining distribution distributes the physical resource for user
Block, including：
Judge whether the number of available physical resources block in system is more than the number for the Physical Resource Block for determining distribution；
If it is, distributing the Physical Resource Block for determining number for user；
If it is not, then all available physical resources blocks of system distribute to the user.
The embodiment of the present invention additionally provides a kind of distributor of wideband frequency selective scheduling resource, including：
Information module is obtained, the bit number and broadband channel quality information index of transmission needed for for obtaining；
Modulation indexes determining module with coded system, for being indexed according to the preformed channel quality information with adjusting
The corresponding relation that system is indexed with coded system, determines that the modulation is indexed with coded system；
Searching modul, is indexed for the modulation according to determination and coded system, is found and the modulation and coding
Mode indexes corresponding transport block size index, and according to the bit number and transport block size index of required transmission, it is determined that
The number of the Physical Resource Block of distribution；
Distribute module, the physical resource is distributed for the number according to the Physical Resource Block for determining distribution for user
Block.
Preferably,
The modulation includes with coded system index determining module：
Submodule is extended, the rank for the channel quality information to be indexed expands to the modulation and coded system rope
The rank drawn, the channel quality information index indexes to form corresponding relation with the modulation with coded system；
The searching modul includes：
Submodule is searched, for according to the preformed channel quality information index and the modulation and coded system
The corresponding relation of index, searches the corresponding modulation of the broadband channel quality information index and is indexed with coded system, it is determined that
The corresponding modulation of the broadband channel quality information index is indexed with coded system.
Preferably, described device includes：
Enquiry module, for being indexed according to the modulation and coded system, when carrying out descending scheduling, inquires about down direction
The modulation and coded system index corresponding table with transport block size index, obtain the modulation and coded system index pair
The transport block size index answered；When carrying out uplink scheduling, the modulation and coded system for inquiring about up direction are indexed with passing
The corresponding table of defeated block size index, obtains the modulation and the corresponding transport block size index of coded system index.
Preferably, described device includes：
Transmitted bit number obtains module, for according to the corresponding transmitted bit number of the Physical Resource Block for determining distribution；
When carrying out descending scheduling, the code efficiency for the Physical Resource Block for determining distribution is calculated using the transmitted bit number.
Preferably,
According to the available resource units summation on the Physical Resource Block for determining distribution, modulation system and determination distribution
The corresponding transmitted bit number of the Physical Resource Block, calculates the code efficiency for the Physical Resource Block for determining distribution；
Calculation formula is：
Wherein, P is determines the code efficiency of the Physical Resource Block of distribution, and TBsize is the physics for determining distribution
The corresponding transmitted bit number of resource block, Σ RE is determine the available resource units summation on the Physical Resource Block distributed, and M is
Modulation system；
Described device also includes：
Adjusting module, when the value for the code efficiency when the Physical Resource Block for determining distribution is more than 0.93,
Under the Physical Resource Block number for determining distribution, TBsize sizes are adjusted according to TBsize preset range, until
It is determined that the code efficiency of the Physical Resource Block of distribution is not more than 0.93.
（Three）Beneficial effect
Distribution method and device of the invention by providing a kind of wideband frequency selective scheduling resource, by getting width
After band channel quality information, directly determine that modulation is indexed with coded system, it is determined that after modulation and coded system index in determining
State of value, will not change due to the change of other specification, be indexed by the modulation after determination and coded system, vlan query protocol VLAN is matched somebody with somebody
Table is put, transport block size index is obtained, based on the bit number transmitted needed for transport block size index, user, distribution is finally determined
Physical Resource Block number, and for user distribute Physical Resource Block；And the distribution side of existing frequency selective scheduling resource
It is the number for the Physical Resource Block that the bit number first transmitted according to needed for user is defined as user's distribution, according to distribution in case
The number of Physical Resource Block determine transport block size index, finally modulation and coding can be obtained by vlan query protocol VLAN allocation list
Mode is indexed, after other specification changes, and with coded system index respective change can also occur for modulation.Therefore, formerly really
In the case of fixing modulation and coded system index, it is to avoid when can actually use money in user's data to be transferred amount or Physical Resource Block
During source unit number of variations, the variation issue for causing modulation to be indexed with coded system, so as to avoid receiving terminal when being demodulated
The problem of bit error rate is raised occurs.
Brief description of the drawings
Fig. 1 is method flow diagram provided in an embodiment of the present invention；
Fig. 2 is specific method flow chart provided in an embodiment of the present invention；
Fig. 3 is apparatus structure schematic diagram provided in an embodiment of the present invention.
Embodiment
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are this hairs
Some bright embodiments, for those of ordinary skill in the art, on the premise of not paying creative work, can be with root
Other accompanying drawings are obtained according to these accompanying drawings.
Embodiment 1：
The embodiments of the invention provide a kind of distribution method of wideband frequency selective scheduling resource, as shown in figure 1, being this
The method flow diagram that inventive embodiments are provided, this method includes：
S1：The bit number and broadband channel quality information index of transmission needed for obtaining, according to the channel quality information
The corresponding relation that index is indexed with modulation with coded system, determines the corresponding modulation of the broadband channel quality information index with compiling
Code mode is indexed, and the modulation according to determination is indexed with coded system, is obtained and the modulation and coded system index pair
The transport block size index answered；
S2：According to the bit number of required transmission and the transport block size index, it is determined that the Physical Resource Block distributed
Number；
S3：According to the number for the Physical Resource Block for determining distribution the Physical Resource Block is distributed for user.
The embodiment of the present invention is by providing a kind of distribution method of wideband frequency selective scheduling resource, by getting width
Band channel quality information index after, directly determine modulation with coded system index, it is determined that after modulation and coded system index at
It in definite value state, will not change due to the change of other specification, be indexed by the modulation after determination and coded system, inquiry association
Allocation list is discussed, transport block size index is obtained, based on the bit number transmitted needed for transport block size index, user, finally determines
The number of the Physical Resource Block of distribution, and distribute Physical Resource Block for user, it is to avoid the change that modulation is indexed with coded system
Problem, so as to avoid the elevated problem of receiving terminal bit error rate when being demodulated from occurring.
Because in the starting stage, the rank of channel quality information index is 16 grades, in order to ensure broadband channel quality information
Index is corresponding with coded system index with modulating, and the rank that channel quality information is indexed is expanded into modulation and coded system rope
The rank drawn, channel quality information index indexes to form corresponding relation with modulation and coded system, according to the broad-band channel of acquisition
Quality information index utilizes corresponding relation, it is determined that modulation is indexed with coded system so that it is determined that modulation is indexed with coded system
During, more rapidly, directly.
Distribution method provided in an embodiment of the present invention, the vlan query protocol VLAN when carrying out uplink scheduling with descending scheduling is different,
When carrying out descending scheduling, modulation indexes corresponding with transport block size index with coded system in inquiry descending scheduling agreement
Table, obtains modulation and the corresponding transport block size index of coded system index；When carrying out uplink scheduling, inquiry uplink scheduling association
Modulation and coded system index and the corresponding table of transport block size index, obtain modulating pass corresponding with coded system index in view
Defeated block size index.According to the different agreement of the mode of scheduling difference inquiry, so as to ensure obtained modulation and coded system pair
The transport block size index answered is more accurate.
After the number of Physical Resource Block of distribution is determined, the corresponding transmission of Physical Resource Block for determining distribution is obtained
Bit number.For subsequently calculating the code efficiency for the Physical Resource Block for determining distribution according to transmitted bit number.
When carrying out descending scheduling, the volume of the Physical Resource Block of distribution is determined according to parameters in formula and formula
Code efficiency.For ensureing that user is properly received when carrying out descending scheduling.And uplink scheduling need not then carry out code efficiency
Control, when the descending scheduling determine distribution Physical Resource Block code efficiency value be more than 0.93 when, it is described determine
Distribution the Physical Resource Block number under, according to TBsize preset range adjust TBsize sizes, until it is determined that distribution
The code efficiency of Physical Resource Block is not more than 0.93.It ensure that user's is properly received when carrying out descending scheduling.
When distributing Physical Resource Block for user, judge whether the number of available physical resources block in system is more than and determine to divide
The number for the Physical Resource Block matched somebody with somebody；If it is, distributing the Physical Resource Block for determining number for user；If it is not, then system institute
Some available physical resources blocks distribute to the user.Fully ensure that and distribute more more suitably Physical Resource Block for user.
Distributed for user after the Physical Resource Block for determining number, it is right to the user's mark after distribution to be scheduled
Physical Resource Block after distribution is labeled as having used.Subsequently searching whether also unappropriated user and available physical resources
During block, more clearly.
According to the above method, the embodiment of the present invention additionally provides a kind of distribution method of wideband frequency selective scheduling resource
Embodiment, be the specific of the above method and supplement, as shown in Fig. 2 this method includes：
Step 101：Using User Priority sort algorithm, it is determined that user to be dispatched；
Wherein, User Priority sort algorithm is scheme of the prior art, be will not be described here.
Step 102：The bit number of transmission needed for obtaining user；
Step 103：The rank that channel quality information is indexed expands to the rank that modulation is indexed with coded system, forms letter
The corresponding relation that road quality information index is indexed with modulation with coded system；
In the starting stage, the rank of broadband channel quality information index is 16 grades, the level that modulation is indexed with coded system
Not Wei 28 grades, the rank of broadband channel quality information index is expanded into 28 grades, specific extension is based in the bit error rate
More SINR threshold values are divided on the premise of no more than 10%, the channel quality information CQI hierarchy indexs more refined, from
And ensure that channel quality information index with modulate it is corresponding with coded system index so that formed channel quality information index and
The corresponding relation that modulation is indexed with coded system.
Step 104：Obtain the broadband channel quality information CQI of the user, queried channel quality information index and modulation with
The corresponding table of coded system index, obtains the corresponding modulation of broadband channel quality information index and is indexed with coded system；
Step 105：I is indexed with coded system according to obtained modulationMCSInquiry modulation indexes I with coded systemMCSWith biography
Defeated block size indexes ITBSCorresponding table, obtain modulation with coded system IMCSCorresponding transport block size index ITBS；
Wherein, when carrying out descending scheduling, the middle modulation for inquiring about down direction is indexed and transport block size with coded system
The corresponding table of index（3GPP TS36.213 agreements 7.1.7.1-1）, obtain modulation big with the corresponding transmission block of coded system index
Small index；
When carrying out uplink scheduling, the middle modulation and coded system for inquiring about up direction are indexed and transport block size index
Corresponding table（3GPP TS36.213 agreements 8.6.1-1）, obtain modulation and the corresponding transport block size index of coded system index.
Step 106：According to the bit number and transport block size index of the required transmission of acquisition, vlan query protocol VLAN, it is determined that dividing
The number for the Physical Resource Block matched somebody with somebody；
Wherein, agreement is：The distribution Physical Resource Block number of 3GPP TS36.213 agreements 7.1.7.2.1 section definition, transmission
Bit number TB size and transport block size ITBSCorresponding table.
When carrying out descending scheduling, according to the available resource units sum on the Physical Resource Block for determining distribution, modulation methods
Formula transmitted bit number corresponding with the number for the Physical Resource Block for determining distribution, calculates the coding for the Physical Resource Block for determining distribution
Efficiency；
Calculation formula is：
Wherein, P is determines the code efficiency of the Physical Resource Block of distribution, and TBsize is the Physical Resource Block pair for determining distribution
The summation of resource unit on the transmitted bit number answered, Physical Resource Block of the Σ RE to determine the number of distribution, M is modulation system.
Wherein, lower M=6 of lower M=4, the 64QAM modulation of lower M=2, the 16QAM modulation of QPSK modulation.
The code efficiency for calculating the Physical Resource Block for determining distribution, further comprises：
When the value of the code efficiency of the Physical Resource Block for determining distribution is more than 0.93, then ensureing to determine distribution
In the case that Physical Resource Block number is constant, according to TBsize preset range, TBsize sizes are adjusted, until it is determined that distribution
The code efficiency of Physical Resource Block is not more than 0.93, and the transmitted bit number correspondence after reduction is obtained into modulation and coded system rope
Draw.
Step 107：According to the number for the Physical Resource Block for determining distribution, and above-mentioned agreement, the thing for determining distribution is obtained
Manage the corresponding transmitted bit number of number of resource block；
Step 108：Judge whether the number of available physical resources block in system is more than the Physical Resource Block of determination distribution
Number, if it is, the Physical Resource Block of the number determined is distributed for user, and jump procedure 109；If it is not, then by system
In all available physical resources blocks distribute to the user；
Step 109：It is scheduled to the user's mark after distribution, the Physical Resource Block after distribution is labeled as to have made
With；
Step 110：Check with the presence or absence of remaining available physical resources block in system, if it is, jump procedure 111；Such as
It is really no, then terminate.
Step 111：Check and whether there is unscheduled user in system, if it is, jump procedure 102；If it is not, then knot
Beam.
The embodiment of the present invention is by providing a kind of distribution method of wideband frequency selective scheduling resource, by getting width
Band channel quality information index after, directly determine modulation with coded system index, it is determined that after modulation and coded system index at
It in definite value state, will not change due to the change of other specification, be indexed and carried out by the modulation after determination and coded system
Uplink scheduling agreement is inquired about during uplink scheduling, descending scheduling agreement is inquired about when carrying out descending scheduling, so as to determine distribution
The number of Physical Resource Block distribute Physical Resource Block for user, it is to avoid it is actual in user's data to be transferred amount or Physical Resource Block
Few change when many during available resource units number, the problem of caused modulation is with coded system index change, so as to avoid connecing
The elevated problem of receiving end bit error rate when being demodulated occurs.
According to the above method, the embodiment of the present invention additionally provides a kind of distribution dress of wideband frequency selective scheduling resource
Put, as shown in figure 3, including：
Information module 301 is obtained, the bit number and broadband channel quality information index of transmission needed for for obtaining；
Modulation indexes determining module 302 with coded system, for being indexed according to the preformed channel quality information
With modulating the corresponding relation indexed with coded system, the corresponding modulation of the broadband channel quality information index and coding staff are determined
Formula is indexed；
Searching modul 303, is indexed for the modulation according to determination and coded system, is found with the modulation with compiling
Code mode indexes corresponding transport block size index, and according to the bit number and transport block size index of required transmission, really
Surely the number of the Physical Resource Block distributed；
Distribute module 304, the physics is distributed for the number according to the Physical Resource Block for determining distribution for user
Resource block.
The modulation includes with coded system index determining module：
Submodule is extended, the rank for the channel quality information to be indexed expands to the modulation and coded system rope
The rank drawn, the channel quality information index indexes to form corresponding relation with the modulation with coded system；
The searching modul includes：
Submodule is searched, for according to the preformed channel quality information index and the modulation and coded system
The corresponding relation of index, searches the corresponding modulation of the broadband channel quality information index and is indexed with coded system, it is determined that
The corresponding modulation of the broadband channel quality information index is indexed with coded system.
Described device includes：
Enquiry module, for being indexed according to the modulation and coded system, when carrying out descending scheduling, inquires about down direction
The modulation and coded system index corresponding table with transport block size index, obtain the modulation and coded system index pair
The transport block size index answered；When carrying out uplink scheduling, the modulation and coded system for inquiring about up direction are indexed with passing
The corresponding table of defeated block size index, obtains the modulation and the corresponding transport block size index of coded system index.
Described device includes：
Transmitted bit number obtains module, for according to the corresponding transmitted bit number of the Physical Resource Block for determining distribution；
When carrying out descending scheduling, the code efficiency for the Physical Resource Block for determining distribution is calculated using the transmitted bit number.
According to the available resource units summation on the Physical Resource Block for determining distribution, modulation system and determination distribution
The corresponding transmitted bit number of the Physical Resource Block, calculates the code efficiency for the Physical Resource Block for determining distribution；
Calculation formula is：
Wherein, P is determines the code efficiency of the Physical Resource Block of distribution, and TBsize is the physics for determining distribution
The corresponding transmitted bit number of resource block, Σ RE is determine the available resource units summation on the Physical Resource Block distributed, and M is
Modulation system；
Described device also includes：
Adjusting module, when the value for the code efficiency when the Physical Resource Block for determining distribution is more than 0.93,
Under the Physical Resource Block number for determining distribution, according to TBsize preset range, TBsize size is adjusted, directly
Code efficiency to the Physical Resource Block for determining distribution is not more than 0.93.
The present invention is by providing a kind of distributor of wideband frequency selective scheduling resource, by obtaining information module,
The bit number and broadband channel quality information index of transmission needed for obtaining, it is determined that modulation is indexed with coded system, according to determination
Modulation and coded system index, find and modulate and the corresponding transport block size index of coded system index, and according to
The bit number and transport block size index of required transmission, it is determined that the number of the Physical Resource Block of distribution, according to determination distribution
The number of Physical Resource Block is that user distributes Physical Resource Block.In the case that previously determined modulated is indexed with coded system, keep away
Few change, makes modulation and coding staff when having exempted from many during actual available resource units number on data to be transferred amount or Physical Resource Block
Formula index change problem, so as to avoid the lifting of receiving terminal demodulation bit error rate.
Embodiment of above is merely to illustrate the present invention, and not limitation of the present invention, about the common of technical field
Technical staff, without departing from the spirit and scope of the present invention, can also make a variety of changes and modification, therefore all
Equivalent technical scheme falls within scope of the invention, and scope of patent protection of the invention should be defined by the claims.
Claims (11)
1. a kind of distribution method of wideband frequency selective scheduling resource, it is characterised in that including：
The bit number and broadband channel quality information index of transmission needed for obtaining, believe according to the preformed channel quality
Breath index with modulation with coded system index corresponding relation, determine the broadband channel quality information index it is corresponding modulation with
Coded system is indexed, and the modulation according to determination is indexed with coded system, obtains indexing with the modulation and coded system
Corresponding transport block size index；
According to the bit number of required transmission and the transport block size index, it is determined that the number of the Physical Resource Block of distribution；
According to the number for the Physical Resource Block for determining distribution the Physical Resource Block is distributed for user；
The corresponding relation indexed according to the preformed channel quality information index with modulation with coded system, bag
Include：
The rank that the channel quality information is indexed expands to the rank that the modulation is indexed with coded system, the channel matter
Amount information index indexes to form corresponding relation with the modulation with coded system.
2. according to the method described in claim 1, it is characterised in that
The corresponding relation indexed according to the preformed channel quality information index with the modulation with coded system, it is determined that
The modulation is indexed with coded system, including：
The corresponding relation indexed according to the preformed channel quality information index with the modulation with coded system, is searched
The corresponding modulation of the broadband channel quality information index is indexed with coded system, determines the broadband channel quality information
The corresponding modulation of index is indexed with coded system.
3. according to the method described in claim 1, it is characterised in that the modulation according to determination and coded system rope
Draw, obtain modulating and the corresponding transport block size index of coded system index with described, including：According to the modulation and coding staff
Formula is indexed,
When carrying out descending scheduling, the modulation and the coded system index and the transport block size index of down direction are inquired about
Corresponding table, obtain corresponding with the coded system index transport block size index of the modulation；
When carrying out uplink scheduling, the modulation and the coded system index and the transport block size index of up direction are inquired about
Corresponding table, obtain corresponding with the coded system index transport block size index of the modulation.
4. according to the method described in claim 1, it is characterised in that the bit number of transmission and the transmission needed for the basis
Block size is indexed, it is determined that the number of the Physical Resource Block of distribution, further comprises：
Obtain the corresponding transmitted bit number of the Physical Resource Block for determining distribution；
When carrying out descending scheduling, the coding for calculating the Physical Resource Block for determining distribution using the transmitted bit number is imitated
Rate.
5. method according to claim 4, it is characterised in that described when carrying out descending scheduling, utilizes the transfer ratio
Special number calculates the code efficiency for the Physical Resource Block for determining distribution, including：
According to the available resource units summation on the Physical Resource Block for determining distribution, modulation system and determination distribution
The number transmitted bit number of Physical Resource Block, calculates the code efficiency for the Physical Resource Block for determining distribution；
Calculation formula is：
<mrow>
<mi>P</mi>
<mo>=</mo>
<mfrac>
<mrow>
<mi>T</mi>
<mi>B</mi>
<mi>s</mi>
<mi>i</mi>
<mi>z</mi>
<mi>e</mi>
</mrow>
<mrow>
<mi>&Sigma;</mi>
<mi>R</mi>
<mi>E</mi>
<mo>*</mo>
<mi>M</mi>
</mrow>
</mfrac>
<mo>;</mo>
</mrow>
Wherein, P is determines the code efficiency of the Physical Resource Block of distribution, and TBsize is the physical resource for determining distribution
Available resource units summation on the corresponding transmitted bit number of block, the Physical Resource Block of the Σ RE to determine distribution, M is modulation
Mode；
When the value of the code efficiency of the Physical Resource Block for determining distribution is more than 0.93, in the institute for determining distribution
Under the number for stating Physical Resource Block, then TBsize sizes are adjusted according to TBsize preset range, until it is determined that described in distribution
The code efficiency of Physical Resource Block is not more than 0.93.
6. according to the method described in claim 1, it is characterised in that according to the Physical Resource Block for determining distribution
Number distributes the Physical Resource Block for user, including：
Judge whether the number of available physical resources block in system is more than the number for the Physical Resource Block for determining distribution；
If it is, distributing the Physical Resource Block for determining number for user；
If it is not, then all available physical resources blocks of system distribute to the user.
7. a kind of distributor of wideband frequency selective scheduling resource, it is characterised in that including：
Information module is obtained, the bit number and broadband channel quality information index of transmission needed for for obtaining；
Modulation indexes determining module with coded system, for according to preformed channel quality information index and modulation with
The corresponding relation of coded system index, determines that the corresponding modulation of the broadband channel quality information index is indexed with coded system；
Searching modul, indexes for the modulation according to determination and coded system, finds and the modulation and coded system
Corresponding transport block size index is indexed, and according to the bit number and transport block size index of required transmission, it is determined that distribution
Physical Resource Block number；
Distribute module, the Physical Resource Block is distributed for the number according to the Physical Resource Block for determining distribution for user；
The modulation includes with coded system index determining module：
Submodule is extended, the rank for the channel quality information to be indexed expands to what the modulation was indexed with coded system
Rank, the channel quality information index indexes to form corresponding relation with the modulation with coded system.
8. device according to claim 7, it is characterised in that
The searching modul includes：
Submodule is searched, for being indexed according to the preformed channel quality information index with the modulation and coded system
Corresponding relation, search the corresponding modulation of the broadband channel quality information index and indexed with coded system, it is determined that described
The corresponding modulation of broadband channel quality information index is indexed with coded system.
9. device according to claim 7, it is characterised in that described device includes：
Enquiry module, for being indexed according to the modulation and coded system, when carrying out descending scheduling, inquires about the institute of down direction
Modulation and coded system index and the corresponding table of transport block size index are stated, the modulation is obtained corresponding with coded system index
Transport block size index；When carrying out uplink scheduling, the modulation for inquiring about up direction is indexed and transmission block with coded system
The corresponding table of size index, obtains the modulation and the corresponding transport block size index of coded system index.
10. device according to claim 7, it is characterised in that described device includes：
Transmitted bit number obtains module, for according to the corresponding transmitted bit number of the Physical Resource Block for determining distribution；Entering
During row descending scheduling, the code efficiency for the Physical Resource Block for determining distribution is calculated using the transmitted bit number.
11. device according to claim 7, it is characterised in that
According to the available resource units summation on the Physical Resource Block for determining distribution, modulation system and determination distribution
The corresponding transmitted bit number of Physical Resource Block, calculates the code efficiency for the Physical Resource Block for determining distribution；
Calculation formula is：
<mrow>
<mi>P</mi>
<mo>=</mo>
<mfrac>
<mrow>
<mi>T</mi>
<mi>B</mi>
<mi>s</mi>
<mi>i</mi>
<mi>z</mi>
<mi>e</mi>
</mrow>
<mrow>
<mi>&Sigma;</mi>
<mi>R</mi>
<mi>E</mi>
<mo>*</mo>
<mi>M</mi>
</mrow>
</mfrac>
<mo>;</mo>
</mrow>
2
Wherein, P is determines the code efficiency of the Physical Resource Block of distribution, and TBsize is the physical resource for determining distribution
Available resource units summation on the corresponding transmitted bit number of block, the Physical Resource Block of the Σ RE to determine distribution, M is modulation
Mode；
Described device also includes：
Adjusting module, when the value for the code efficiency when the Physical Resource Block for determining distribution is more than 0.93, in institute
State determine distribution the Physical Resource Block number under, according to TBsize preset range adjust TBsize sizes, until it is determined that
The code efficiency of the Physical Resource Block of distribution is not more than 0.93.
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| JP6378279B2 (en) * | 2016-10-06 | 2018-08-22 | 株式会社Ｎｔｔドコモ | User equipment and base station |
| CN108882383B (en) * | 2017-05-16 | 2020-09-11 | 大唐移动通信设备有限公司 | Modulation and coding scheme-based uplink residual resource allocation method and base station |
| CN109687936B (en) * | 2017-10-19 | 2021-09-28 | 普天信息技术有限公司 | Method and device for determining size of service channel transmission block |
| CN114025382B (en) * | 2021-08-30 | 2023-06-02 | 山东浪潮科学研究院有限公司 | Method and device for processing number of physical resource blocks in new air interface system |
| CN113709893B (en) * | 2021-09-22 | 2023-10-31 | 杭州红岭通信息科技有限公司 | Scheduling method of uplink service |
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| CN101820685A (en) * | 2010-04-15 | 2010-09-01 | 新邮通信设备有限公司 | Frequency selectivity dispatching method and base station |
| CN102958178A (en) * | 2012-11-30 | 2013-03-06 | 大唐移动通信设备有限公司 | Frequency selectivity scheduling method, continuous quality improvement (CQI) reporting method, device and system |
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| CN101820685A (en) * | 2010-04-15 | 2010-09-01 | 新邮通信设备有限公司 | Frequency selectivity dispatching method and base station |
| CN102958178A (en) * | 2012-11-30 | 2013-03-06 | 大唐移动通信设备有限公司 | Frequency selectivity scheduling method, continuous quality improvement (CQI) reporting method, device and system |
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