CN106170957A - A kind of resource allocation methods and equipment - Google Patents

A kind of resource allocation methods and equipment Download PDF

Info

Publication number
CN106170957A
CN106170957A CN201480035536.5A CN201480035536A CN106170957A CN 106170957 A CN106170957 A CN 106170957A CN 201480035536 A CN201480035536 A CN 201480035536A CN 106170957 A CN106170957 A CN 106170957A
Authority
CN
China
Prior art keywords
resource block
virtual resource
prb
mapping relations
block number
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.)
Granted
Application number
CN201480035536.5A
Other languages
Chinese (zh)
Other versions
CN106170957B (en
Inventor
栗忠峰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of CN106170957A publication Critical patent/CN106170957A/en
Application granted granted Critical
Publication of CN106170957B publication Critical patent/CN106170957B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L25/00Baseband systems
    • H04L25/02Details ; arrangements for supplying electrical power along data transmission lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

The invention discloses a kind of resource allocation methods and equipment, content comprises determining that the first Transmission Time Interval TTI;When the 2nd TTI that system is current is N/TTI, determine the mapping relations between Physical Resource Block PRB and the virtual resource blocks for carrying data, wherein, described mapping relations carry the mapping relations between two Physical Resource Block PRB numberings of data, or the mapping relations that the first virtual resource blocks is to numbering between two Physical Resource Block PRB numberings of a time slot interior carrying data in containing the first virtual resource block number and a time slot;Utilize the described mapping relations obtained, the Physical Resource Block carrying selecting PRB numbering corresponding is sent to the data of subscriber equipment, Downlink Control Information DCI is sent to described subscriber equipment, so, when the 2nd TTI value that system is current is N/TTI, adjust physical source distributing granularity, reduce the expense of Downlink Control Information, from shortening data transmission period, promote the work efficiency of system.

Description

A kind of resource allocation methods and equipment
A kind of resource allocation methods and equipment technical field
The present invention relates to wireless communication technology field, more particularly to a kind of resource allocation methods and equipment.Background technology
With the development of wireless communication technology, people are also more and more to the demand of communication service, wherein, the demand for requiring higher communication service to transmission time increasingly increases.For example:Traditional speech business belongs to requires higher communication service to transmission time;Route guidance business, game interactive business also belong to require higher communication service etc. to transmission time.
In Long Term Evolution(English: Long Term Evolution;Abbreviation:LTE) in communication system, Physical Downlink Shared Channel of the physical layer to carrying data(English: Physical Downlink Shared Channel;Abbreviation:PDSCH) using lms Transmission Time Interval(English: Transmission Time Interval;Abbreviation:TTI) carry out data transmission.Wherein, the Transmission Time Interval of the lms corresponds to the time of 1 subframe in LTE systems.
Specifically, due in LTE system downlink transfer use OFDM(English: Orthogonal Frequency Division Multiple Access;Abbreviation:OFDM) access technology, is resource element by the smallest allocation unit definition of resource(English: Resource Element;Abbreviation: RE ) .Wherein, time domain one OFDM symbol of correspondence of a resource element, frequency domain one subcarrier of correspondence.Every being lms.
But lms time spans for the communication service that transmission time requires higher are longer, so in LTE system, higher communication service is required for transmission time, lms Transmission Time Interval will cause data transmission delay, the waste of system resource is caused, and causes these to require that the Consumer's Experience of higher communication service is poor for transmission time.
As can be seen here, a kind of resource allocation methods being less than based on Transmission Time Interval under lms scenes are needed badly, for solving the problem of data transmission delay that presently, there are is longer to cause system resource waste. The content of the invention
In view of this, the embodiments of the invention provide a kind of resource allocation methods and equipment, for solving the problem of data transmission delay that presently, there are is longer to cause system resource waste.
According to the first aspect of the invention there is provided a kind of resource allocation apparatus, including:
Time determining module, for determining the first Transmission Time Interval Τ;
Mapping relations determining module, for when the 2nd current TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks, wherein, the mapping relations contain the mapping relations between two PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two PRB numberings of carrying data in time slot between mapping relations, N is the positive integer more than 1;
Sending module, for utilizing the mapping relations, selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment, and send Downlink Control Information DCI to the user equipment, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding first virtual resource block number.
With reference to the possible embodiment of the first aspect of the present invention, in the first possible embodiment, the mapping relations determining module, the mapping relations between two PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
Spacing parameter GAP values are determined, and utilize the GAP values, the total number of the second virtual resource block number is obtained;
The sizes values of interleave unit, and sizes values and the total number of the second virtual resource block number according to the interleave unit are determined, the first virtual resource block number number included in the interleave unit is obtained;
The the first virtual resource block number included in the interleave unit of determination is grouped according to the rule of continuous one group of odd even, and the first virtual resource block number after packet is write into the interleave unit according to writing mode line by line;
According to sequentially sequential reading out the first virtual resource block number by column from the interleave unit, according to reading order, set up successively reading the first virtual resource block number and the carrying data in a time slot two Mapping relations between individual PRB numberings.
With reference to the first possible embodiment of the first aspect of the present invention, in second of possible embodiment, the mapping relations determining module, specifically for the first virtual resource block number number for obtaining including in the interleave unit in the following manner:
d Nf (Nnull / IT N / 2
Wherein, ^ is the first virtual resource block number number for including in the interleave unit; Ν ΝΊFor the sizes values of interleave unit, N is the columns of interleave unit, NffFor the line number of interleave unit, and, ^^ is second virtual
The total number of resource block number.
With reference to the first possible embodiment of first aspect present invention, or combine second of possible embodiment of the first aspect of the present invention, in the third possible embodiment, the mapping relations determining module, specifically for according to order by column, the first virtual resource block number is read from the interleave unit successively, when it is determined that the first virtual resource block number read not yet reaches the half of total number of the second virtual resource block number, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number read and a time slot;
It is determined that read total number of the first virtual resource block number more than the second virtual resource block number half when, first virtual resource block number of reading is increased into setting value, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number after increase setting value and a time slot, wherein, the setting value is the difference of GAP values and the half of the total number of the second virtual resource block number.
With reference to the possible embodiment of the first aspect of the present invention, in the 4th kind of possible embodiment, the mapping relations determining module, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
In a time slot, according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, wherein, if the first virtual resource block number is even number, then described two second virtual resource block numbers are two continuous Even-numbered;If the first virtual resource block number is odd number, then described two second virtual resource block numbers are two continuous odd-numbereds;
According to the mapping relations between two PRB numberings that data are carried in the second virtual resource block number and a time slot, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
With reference to the 4th kind of possible embodiment of the first aspect of the present invention, in the 5th kind of possible embodiment, the mapping relations determining module, specifically in the following manner according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, including: 5
Wherein, it is the first virtual resource block number, is the second virtual resource block number.
With reference to the possible embodiment of the first aspect of the present invention, in the 6th kind of possible embodiment, the mapping relations determining module, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
The corresponding relation of two the second virtual resource block numbers in the first virtual resource block number and a time slot is determined, wherein, described two second virtual resource block numbers are the second virtual resource block number of correspondence identical PRB numberings in two time slots;
According to the mapping relations between each second virtual resource block number and PRB numberings, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
With reference to the possible embodiment of the first aspect of the present invention, or combine the first possible embodiment of the first aspect of the present invention, or combine second of possible embodiment of the first aspect of the present invention, or combine the third possible embodiment of the first aspect of the present invention, or combine the 4th kind of possible embodiment of the first aspect of the present invention, or combine the 5th kind of possible embodiment of the first aspect of the present invention, or the 6th kind of possible embodiment of the first aspect of the present invention is combined, In 7th kind of possible embodiment, the mapping relations determining module, it is additionally operable to determine the mapping relations between the resource element groups and PRB for bearer control signalling, wherein, the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot are contained in the mapping relations;
The sending module, specifically for using the obtained mapping relations, the corresponding physical resource carrying of selection resource element group # sends Downlink Control Information DCI.
With reference to the 7th kind of possible embodiment of the first aspect of the present invention, in the 8th kind of possible embodiment, the mapping relations determining module, specifically for setting up the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot in the following manner:
For each resource element group #, numbering interval meets two PRB numberings of GAP values in one time slot of selection;
The mapping relations set up between the resource element group # and two PRB numberings of selection.
With reference to the possible embodiment of the first aspect of the present invention, or combine the first possible embodiment of the first aspect of the present invention, or combine second of possible embodiment of the first aspect of the present invention, or combine the third possible embodiment of the first aspect of the present invention, or combine the 4th kind of possible embodiment of the first aspect of the present invention, or combine the 5th kind of possible embodiment of the first aspect of the present invention, or combine the 6th kind of possible embodiment of the first aspect of the present invention, or combine the 7th kind of possible embodiment of the first aspect of the present invention, or combine the 8th kind of possible embodiment of the first aspect of the present invention, in the 9th kind of possible embodiment, first Τ is lms, 2nd TTI is 1/2nd ms.
According to the second aspect of the invention provided there is provided a kind of resource allocation apparatus, including:Acquisition module, the Downlink Control Information DCI for obtaining base station equipment transmission, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding virtual resource block number;
Determining module, for when the second current time tranfer interval TTI of system is N/Τ, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource block number, wherein, the mapping relations contain two of carrying data in the first virtual resource block number and a time slot Mapping relations between individual Physical Resource Block PRB numberings, or the mapping relations in the numbering and a time slot of the first virtual resource blocks pair between two Physical Resource Block PRB numberings of carrying data, N is the positive integer more than 1;According to the mapping relations, the corresponding PRB numberings of virtual resource block number included in the DCI are determined;
Receiving module, for it is determined that the PRB number the data that the base station equipment is sent obtained on corresponding physical resource.
With reference to the possible embodiment of the second aspect of the present invention, in the first possible embodiment, the resource allocation apparatus also includes:Adjusting module, wherein:
Adjusting module, for it is determined that after the corresponding PRB numberings of the virtual resource block number included in the DCI, using the scale factor of setting, the PRB that adjustment is determined numbers corresponding PRB numbers, wherein, the PRB that the PRB after adjustment belongs in a time slot.
With reference to the first possible embodiment of the second aspect of the present invention, in second of possible embodiment, the adjusting module, specifically for being adjusted in the following manner after PRB numbers be:
NPRB *a, l]
Wherein, NPRBFor the PRB numbers after adjustment,ΡΗΒCorresponding PRB numbers are numbered for the PRB of determination, α is scale factor.
According to the third aspect of the invention we there is provided a kind of resource allocation apparatus, including:
Processor, for determining the first Transmission Time Interval Τ Τ Ι;When the 2nd current Τ Τ Ι of system are Ν/the first Τ Τ Ι, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks, wherein, the mapping relations contain the mapping relations between two PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two PRB numberings of carrying data in time slot between mapping relations, Ν is the positive integer more than 1;Using the mapping relations, selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment;
Signal projector, for sending Downlink Control Information DCI to the user equipment, wherein, corresponding first void of PRB numberings for the data selection for being sent to user equipment for carrying is contained in the DCI Intend resource block number.
With reference to the possible embodiment of the third aspect of the present invention, in the first possible embodiment, the processor, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
Spacing parameter GAP values are determined, and utilize the GAP values, the total number of the second virtual resource block number is obtained;
The sizes values of interleave unit, and sizes values and the total number of the second virtual resource block number according to the interleave unit are determined, the first virtual resource block number number included in the interleave unit is obtained;
The the first virtual resource block number included in the interleave unit of determination is grouped according to the rule of continuous one group of odd even, and the first virtual resource block number after packet is write into the interleave unit according to writing mode line by line;
According to the first virtual resource block number is sequentially sequential read out by column from the interleave unit, according to reading order, the mapping relations set up successively between the first virtual resource block number of reading and two PRB numberings of the carrying data in a time slot.
With reference to the first possible embodiment of the third aspect of the present invention, in second of possible embodiment, the processor, specifically for the first virtual resource block number number for obtaining including in the interleave unit in the following manner:
d Nf (Nnull / IT N / 2
Wherein, ^ is the first virtual resource block number number for including in the interleave unit; Ν ΝΊFor the sizes values of interleave unit, N is the columns of interleave unit, NffFor the line number of interleave unit, and, ^^ is second virtual
The total number of resource block number.
With reference to the first possible embodiment of third aspect present invention, or combine second of possible embodiment of the third aspect of the present invention, in the third possible embodiment, the processor, specifically for according to order by column, the first virtual resource block number is read from the interleave unit successively When it is determined that the first virtual resource block number read not yet reaches the half of total number of the second virtual resource block number, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number read and a time slot;
It is determined that read total number of the first virtual resource block number more than the second virtual resource block number half when, first virtual resource block number of reading is increased into setting value, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number after increase setting value and a time slot, wherein, the setting value is the difference of GAP values and the half of the total number of the second virtual resource block number.
With reference to the possible embodiment of the third aspect of the present invention, in the 4th kind of possible embodiment, the processor, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
In a time slot, according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, wherein, if the first virtual resource block number is even number, then described two second virtual resource block numbers are two continuous even-numbereds;If the first virtual resource block number is odd number, then described two second virtual resource block numbers are two continuous odd-numbereds;
According to the mapping relations between two PRB numberings that data are carried in the second virtual resource block number and a time slot, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
With reference to the 4th kind of possible embodiment of the third aspect of the present invention, in the 5th kind of possible embodiment, the processor, specifically in the following manner according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, including: 5
Wherein, it is the first virtual resource block number, is the second virtual resource block number. With reference to the possible embodiment of the third aspect of the present invention, in the 6th kind of possible embodiment, the processor, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
The corresponding relation of two the second virtual resource block numbers in the first virtual resource block number and a time slot is determined, wherein, described two second virtual resource block numbers are the second virtual resource block number of correspondence identical PRB numberings in two time slots;
According to the mapping relations between each second virtual resource block number and PRB numberings, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
With reference to the possible embodiment of the third aspect of the present invention, or combine the first possible embodiment of the third aspect of the present invention, or combine second of possible embodiment of the third aspect of the present invention, or combine the third possible embodiment of the third aspect of the present invention, or combine the 4th kind of possible embodiment of the third aspect of the present invention, or combine the 5th kind of possible embodiment of the third aspect of the present invention, or combine the 6th kind of possible embodiment of the third aspect of the present invention, in the 7th kind of possible embodiment, the processor, it is additionally operable to determine the mapping relations between the resource element groups and PRB for bearer control signalling, wherein, the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot are contained in the mapping relations;
The signal projector, specifically for using the obtained mapping relations, the corresponding physical resource carrying of selection resource element group # sends Downlink Control Information DCI.
With reference to the 7th kind of possible embodiment of the third aspect of the present invention, in the 8th kind of possible embodiment, the processor, specifically for setting up the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot in the following manner:
For each resource element group #, numbering interval meets two PRB numberings of GAP values in one time slot of selection;
The mapping relations set up between the resource element group # and two PRB numberings of selection.
With reference to the possible embodiment of the third aspect of the present invention, either combine the first possible embodiment of the third aspect of the present invention or combine second of possible embodiment party of the third aspect of the present invention Formula, or combine the third possible embodiment of the third aspect of the present invention, or combine the 4th kind of possible embodiment of the third aspect of the present invention, or combine the 5th kind of possible embodiment of the third aspect of the present invention, or combine the 6th kind of possible embodiment of the third aspect of the present invention, or combine the 7th kind of possible embodiment of the third aspect of the present invention, or combine the 8th kind of possible embodiment of the third aspect of the present invention, in the 9th kind of possible embodiment, first Τ is lms, 2nd TTI is 1/2nd ms.
According to the fourth aspect of the invention provided there is provided a kind of resource allocation apparatus, including:Processor, the Downlink Control Information DCI for obtaining base station equipment transmission, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding virtual resource block number;When the second current time tranfer interval TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource block number, wherein, the mapping relations contain the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two Physical Resource Block PRB numberings of carrying data in time slot between mapping relations, N is the positive integer more than 1;According to the mapping relations, the corresponding PRB numberings of virtual resource block number included in the DCI are determined;
Signal receiver, for it is determined that the PRB number the data that the base station equipment is sent obtained on corresponding physical resource.
With reference to the possible embodiment of the fourth aspect of the present invention, in the first possible embodiment, after number, utilize the scale factor of setting, the PRB that adjustment is determined numbers corresponding PRB numbers, wherein, the PRB that the PRB after adjustment belongs in a time slot.
With reference to the first possible embodiment of the fourth aspect of the present invention, in second of possible embodiment, the processor, specifically for being adjusted in the following manner after PRB numbers be:
NPRB *a, l]
Wherein, NPRBFor the PRB numbers after adjustment,ΡΗΒIt is corresponding for the PRB numberings of determination PRB numbers, α is scale factor.
According to the fifth aspect of the invention there is provided a kind of resource allocation methods, including:
Determine the first Transmission Time Interval Τ;
When the 2nd current Τ Τ Ι of system are Ν/the first Τ Τ Ι, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks, wherein, the mapping relations contain the mapping relations between two PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two PRB numberings of carrying data in time slot between mapping relations, Ν is the positive integer more than 1;
Utilize the mapping relations, selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment, and send Downlink Control Information DCI to the user equipment, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding first virtual resource block number.
With reference to the possible embodiment of the fifth aspect of the present invention, in the first possible embodiment, the mapping relations set up in the following manner between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot:
Spacing parameter GAP values are determined, and utilize the GAP values, the total number of the second virtual resource block number is obtained;
The sizes values of interleave unit, and sizes values and the total number of the second virtual resource block number according to the interleave unit are determined, the first virtual resource block number number included in the interleave unit is obtained;
The the first virtual resource block number included in the interleave unit of determination is grouped according to the rule of continuous one group of odd even, and the first virtual resource block number after packet is write into the interleave unit according to writing mode line by line;
According to the first virtual resource block number is sequentially sequential read out by column from the interleave unit, according to reading order, the mapping relations set up successively between the first virtual resource block number of reading and two PRB numberings of the carrying data in a time slot.
With reference to the first possible embodiment of the fifth aspect of the present invention, in second of possible implementation In mode, the first virtual resource block number number included in the interleave unit is obtained in the following manner: d Nf (Nnull / IT N / 2
Wherein, ^ is the first virtual resource block number number for including in the interleave unit; Ν ΝΊFor the sizes values of interleave unit, N is the columns of interleave unit, NffFor the line number of interleave unit, and, ^^ is second virtual
The total number of resource block number.
With reference to the first possible embodiment of fifth aspect present invention, or combine second of possible embodiment of the fifth aspect of the present invention, in the third possible embodiment, it is described when from the interleave unit according to EVRB numberings are sequentially sequential read out by column, the mapping relations set up between two PRB numberings of carrying data in each first virtual resource block number and a time slot, including:
According to order by column, the first virtual resource block number is read from the interleave unit successively, when it is determined that the first virtual resource block number read not yet reaches the half of total number of the second virtual resource block number, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number read and a time slot;
It is determined that read total number of the first virtual resource block number more than the second virtual resource block number half when, first virtual resource block number of reading is increased into setting value, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number after increase setting value and a time slot, wherein, the setting value is the difference of GAP values and the half of the total number of the second virtual resource block number.
With reference to the possible embodiment of the fifth aspect of the present invention, in the 4th kind of possible embodiment, the mapping relations set up in the following manner between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot:
In a time slot, according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, wherein, if the first virtual resource block number is even number, then described two second virtual resource block numbers are two continuous even-numbereds;If the first virtual resource block number is odd number, then described two second virtual resources Block number is two continuous odd-numbereds;
According to the mapping relations between two PRB numberings that data are carried in the second virtual resource block number and a time slot, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
With reference to the 4th kind of possible embodiment of the fifth aspect of the present invention, in the 5th kind of possible embodiment, in the following manner according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, including: 5
Wherein, it is the first virtual resource block number, is the second virtual resource block number.
With reference to the possible embodiment of the fifth aspect of the present invention, in the 6th kind of possible embodiment, the mapping relations set up in the following manner between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot:
The corresponding relation of two the second virtual resource block numbers in the first virtual resource block number and a time slot is determined, wherein, described two second virtual resource block numbers are the second virtual resource block number of correspondence identical PRB numberings in two time slots;
According to the mapping relations between each second virtual resource block number and PRB numberings, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
With reference to the possible embodiment of the fifth aspect of the present invention, or combine the first possible embodiment of the fifth aspect of the present invention, or combine second of possible embodiment of the fifth aspect of the present invention, or combine the third possible embodiment of the fifth aspect of the present invention, or combine the 4th kind of possible embodiment of the fifth aspect of the present invention, or combine the 5th kind of possible embodiment of the fifth aspect of the present invention, or combine the 6th kind of possible embodiment of the fifth aspect of the present invention, in the 7th kind of possible embodiment, Downlink Control Information DCI is sent to the user equipment, including:It is determined that for the mapping relations between the resource element groups and PRB of bearer control signalling, wherein, institute State the mapping relations between two PRB numberings that bearer control signalling in resource element group # and a time slot is contained in mapping relations;
Using the obtained mapping relations, the corresponding physical resource carrying of selection resource element group # sends Downlink Control Information DCI.
With reference to the 7th kind of possible embodiment of the fifth aspect of the present invention, in the 8th kind of possible embodiment, the mapping relations set up in the following manner between two PRB numberings of bearer control signalling in resource element group # and a time slot:
For each resource element group #, numbering interval meets two PRB numberings of GAP values in one time slot of selection;
The mapping relations set up between the resource element group # and two PRB numberings of selection.
With reference to the possible embodiment of the fifth aspect of the present invention, or combine the first possible embodiment of the fifth aspect of the present invention, or combine second of possible embodiment of the fifth aspect of the present invention, or combine the third possible embodiment of the fifth aspect of the present invention, or combine the 4th kind of possible embodiment of the fifth aspect of the present invention, or combine the 5th kind of possible embodiment of the fifth aspect of the present invention, or combine the 6th kind of possible embodiment of the fifth aspect of the present invention, or combine the 7th kind of possible embodiment of the fifth aspect of the present invention, or combine the 8th kind of possible embodiment of the fifth aspect of the present invention, in the 9th kind of possible embodiment, first Τ is lms, 2nd TTI is 1/2nd ms.
According to the 6th aspect of the invention provided there is provided a kind of resource allocation methods, including:The Downlink Control Information DCI that base station equipment is sent is obtained, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding virtual resource block number;
When the second current time tranfer interval TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource block number, wherein, the mapping relations contain the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two Physical Resource Block PRB numberings of carrying data in time slot between mapping relations, N is the positive integer more than 1;
According to the mapping relations, the corresponding PRB of virtual resource block number included in the DCI is determined Numbering;
It is determined that the PRB number the data that the base station equipment is sent obtained on corresponding physical resource.
With reference to the possible embodiment of the sixth aspect of the present invention, in the first possible embodiment, it is determined that after the corresponding PRB numberings of the virtual resource block number included in the DCI, methods described also includes:
Using the scale factor of setting, the PRB that adjustment is determined numbers corresponding PRB numbers, wherein, the PRB that the PRB after adjustment belongs in a time slot.
With reference to the first possible embodiment of the sixth aspect of the present invention, in second of possible embodiment, the scale factor using setting, the PRB that adjustment is determined numbers corresponding PRB numbers, including:
PRB numbers after being adjusted in the following manner are:
NPRB *a, l]
Wherein, NPRBFor the PRB numbers after adjustment,ΡΗΒCorresponding PRB numbers are numbered for the PRB of determination, α is scale factor.
The embodiment of the present invention is by determining the first Transmission Time Interval Τ Τ Ι;When the 2nd current Τ of system is Ν/the first Τ Τ Ι, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks, wherein, the mapping relations contain the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or the mapping relations in the numbering and a time slot of the first virtual resource blocks pair between two Physical Resource Block PRB numberings of carrying data;Utilize the obtained mapping relations, selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment, Downlink Control Information DCI is sent to the user equipment, so, when the 2nd current Τ Τ Ι values of system are Ν/the first Τ Τ Ι, physical source distributing granularity is adjusted, the expense of Downlink Control Information is reduced, from shortening data transmission period, the operating efficiency of lifting system.Brief description of the drawings Technical scheme in order to illustrate the embodiments of the present invention more clearly, the accompanying drawing used required in being described below to embodiment is briefly introduced, apparently, drawings in the following description are only some embodiments of the present invention, for one of ordinary skill in the art, without having to pay creative labor, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of schematic flow sheet for resource allocation methods that the embodiment of the present invention one is provided;Fig. 2 is the structural representation for handing over product unit;
Fig. 3 is the sequence of the EVRB numberings read from interleave unit;
Fig. 4 is the schematic diagram of obtained EVRB numberings and the PRB mapping relations numbered;
Fig. 5 is a kind of schematic flow sheet for resource allocation methods that the embodiment of the present invention two is provided;Fig. 6 is a kind of structural representation for resource allocation apparatus that the embodiment of the present invention three is provided;Fig. 7 is a kind of structural representation for resource allocation apparatus that the embodiment of the present invention four is provided;Fig. 8 is a kind of structural representation for resource allocation apparatus that the embodiment of the present invention five is provided;Fig. 9 is a kind of structural representation for resource allocation apparatus that the embodiment of the present invention six is provided.Embodiment
In order to realize the purpose of the present invention, the embodiments of the invention provide a kind of resource allocation methods and equipment, by determining the first Transmission Time Interval TTI;When the 2nd current TTI of system is N/Τ, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks, wherein, the mapping relations contain the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or the mapping relations in the numbering and a time slot of the first virtual resource blocks pair between two Physical Resource Block PRB numberings of carrying data;Utilize the obtained mapping relations, selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment, Downlink Control Information DCI is sent to the user equipment, so, when the 2nd current TTI values of system are N/TTI, physical source distributing granularity is adjusted, the expense of Downlink Control Information is reduced, from shortening data transmission period, the operating efficiency of lifting system.
Each embodiment of the invention is described in detail with reference to Figure of description.Obviously, described embodiment is only a part of embodiment of the invention, rather than whole embodiments.Based in the present invention Embodiment, all other embodiment that those of ordinary skill in the art are obtained under the premise of creative work is not made belongs to the scope of protection of the invention.
Embodiment one:
As shown in figure 1, a kind of schematic flow sheet of the resource allocation methods provided for the embodiment of the present invention one.Methods described can be as described below.
Step 101:Base station equipment determines the first Transmission Time Interval( ΤΉ ).
In a step 101, because Τ Τ Ι specified in current LTE system are generally 1ms, the first TTI that base station equipment is determined herein is TTI specified in agreement, can be lms.
Step 102:Base station equipment determines the 2nd TTI of current system when being N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks.
Wherein, the resource block mapping of the carrying data contains the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or the mapping relations in the numbering and a time slot of the first virtual resource blocks pair between two Physical Resource Block PRB numberings of carrying data.
In a step 102, due to 1ms specified in current agreement, time span is longer for the communication service that transmission time requires higher, therefore, the 2nd TTI of base station equipment current system is N/mono- of the first TTI as defined in agreement in the embodiment of the present invention, wherein, N is the positive integer more than 1.
The shortening of Transmission Time Interval means the change of resource distribution mode in system.
In embodiments of the present invention, the detailed description followed the steps below so that the current TTI values of system are 0.5ms as an example.
It should be noted that the first virtual resource blocks can be referred to as enhanced virtual resource blocks again(English: Enhanced Virtual Resource Block;Abbreviation: EVRB ).
Because base station equipment employs the Transmission Time Interval short compared with 1ms, then the signaling consumption of Downlink Control Information will be significantly reduced according to the Transmission Time Interval adjustresources partition size.
Specifically, first way:The mapping relations that base station equipment is set up between two PRB numberings of carrying data in the first virtual resource block number and a time slot.
The second way:Base station equipment sets up the numbering of the first virtual resource blocks pair with being carried in a time slot Mapping relations between two PRB numberings of data.
For above two mode, two PRB numberings of carrying data can be continuous two PRB numberings or discrete two PRB numberings in a time slot.
Wherein, first virtual resource blocks(It is right)Mapping relations in numbering and a time slot between continuous two PRB numberings of carrying data, the resource impact relation for the centralization that is otherwise known as;One the first virtual resource blocks(It is right)Mapping relations in numbering and a time slot between discontinuous two PRB numberings of carrying data, be otherwise known as distributed resource impact relation.
For example:For the resource impact relation of centralization, the span that the number of the first virtual resource block number is equal to the number of 1/2nd, the PRB numberings for the number that PRB is numbered is:0 ~ N^-1, wherein, for the resource block for transmitting downlink data(English: Resource Block;Abbreviation:RB number), is referred to as band width configuration parameter.
Mapping relations in an obtained first virtual resource block number and a time slot between continuous two PRB numberings of carrying data are: EVRB{0}<->PRB{0,1}; EVRB{l}<-> PRB {2,3 }; EVRB{2}<->PRB { 4,5 } etc..
Obtained first virtual resource blocks to numbering and a time slot in carrying data continuous two PRB numbering between mapping relations be: EVRB{0,0}<->PRB{0,1}; EVRB{l,l}<-> PRB {2,3 }; EVRB{2,2}<->PRB { 4,5 } etc..
For distributed resource impact relation, first virtual resource blocks(It is right)Mapping relations in numbering and a time slot between discontinuous two PRB numberings of carrying data, then the difference between discontinuous two PRB numberings meets spacing parameter defined in LTE protocol (GAP) value.
It should be noted that the size of GAP values, regulation depends on system bandwidth in LTE protocol.For example:As shown in table 1, according to different system bandwidths, the of different sizes of GAP values is obtained:
System bandwidth(W^) GAP (values
GAP1(U GAP2(NQAP,2) value
6-10 「 L/2] N/A
11 4 N/A
12-19 8 N/A 20 -26 12 N/A
Th -44 18 N/A
45' -49 27 N/A
50 -63 27 9
64' -19 32 16
80〜 110 48 16
Table 1
Assuming that the difference between discontinuous two PRB numberings is 18, then the mapping relations in obtained a first virtual resource block number and a time slot between discontinuous two PRB numberings of carrying data are as shown in table 2:
Table 2
Specifically, the mode for the mapping relations that base station equipment is set up between two PRB numberings of carrying data in a first virtual resource block number and a time slot includes:
The first step:Determine spacing parameter(GAP) value, and the GAP values are utilized, obtain the total number of the second virtual resource block number.
The virtual resource blocks it should be noted that the second virtual resource blocks are otherwise known as(English: Virtual Resource Block;Abbreviation: VRB ).
Second step:The sizes values of interleave unit, and sizes values and the total number of the second virtual resource block number according to the interleave unit are determined, the first virtual resource block number number included in the interleave unit is obtained.
Specifically, in the following manner according to the sizes values of the interleave unit and the second virtual money The total number of source block numbering obtains the first virtual resource block number number included in the interleave unit:Wherein, ^ is the first virtual resource block number number for including in the interleave unit; Ν ΝΊFor the sizes values of interleave unit, N is the columns of interleave unit, and general value is 4; NffFor the line number of interleave unit, and N rows ' p, P is the resource block number of setting; N„„„ = 4*Nff_ 7, ^^ are the total number of the second virtual resource block number.
3rd step:The the first virtual resource block number included in the interleave unit of determination is grouped according to the rule of continuous one group of odd even, and the first virtual resource block number after packet is write into the interleave unit according to writing mode line by line.
4th step:According to the first virtual resource block number is sequentially sequential read out by column from the interleave unit, according to reading order, the mapping relations set up successively between the first virtual resource block number of reading and two PRB numberings of the carrying data in a time slot.
Specifically, according to order by column, the first virtual resource block number is read from the interleave unit successively, when it is determined that the first virtual resource block number read not yet reaches the half of total number of the second virtual resource block number, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number read and a time slot;
It is determined that read total number of the first virtual resource block number more than the second virtual resource block number half when, first virtual resource block number of reading is increased into setting value, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number after increase setting value and a time slot, wherein, the setting value is the difference of GAP values and the half of the total number of the second virtual resource block number.
For example:Assuming that system bandwidth is 28RB, GAP values N can be obtained according to LTE protocolQAPFor 18, it is worth for 20, the columns for handing over product unit is 4, and line number is 6, wherein, filling M and N line number is 2.As shown in Fig. 2 the structural representation to hand over product unit.
The number formula that the first virtual resource blocks are obtained according to above-mentioned=(N ,-{ NnullΥ Ν, the Λ Ι 2 of Ι 2, the number that can be calculated the first virtual resource blocks is 8, that is, is compiled Number be 0 ~ 7.The first virtual resource block number is grouped according to one group of rule of numbering odd even, repetition obtains the first virtual resource blocks numbered sequence 0101232345456767.The sequence is written column-wise as interleave unit, and 1,3 row filling M of the last two rows in interleave unit, 2,4 row fillings in the way of being written column-wise as
The first virtual resource block number comprising M is read by row from the interleave unit and obtain new sequence 0246MM1357 0246MM1357, be the sequence of the first virtual resource block number read from interleave unit as indicated at 3.
The numeral that the sequence starts to repeat in centre position is started(The position of i.e. second appearance 0)18-10=8 RB position is offset backward, by the first virtual resource blocks numbered sequence after skew(That is 0246MM1357XXXXXXXX0246MM1357) it is corresponding with the PRB numberings since 0 from the original position of sequence, it is determined that each first virtual resource block number corresponding PRB numberings in the first virtual resource blocks numbered sequence after skew, that is, obtain the mapping relations that the first virtual resource block number is numbered with PRB.
As indicated at 4, the first virtual resource block number and the schematic diagram of the PRB mapping relations numbered to obtain.
In another embodiment of the present invention, the mapping relations set up in the following manner between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot:
The first step:In a time slot, according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers.
Wherein, if the first virtual resource block number is even number, then described two second virtual resource block numbers are two continuous even-numbereds;If the first virtual resource block number is odd number, then described two second virtual resource block numbers are two continuous odd-numbereds.
Specifically, in the following manner according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, including: 5
Wherein, it is the first virtual resource block number, is the second virtual resource block number.
Secondly, according to the mapping relations between two PRB numberings that data are carried in the second virtual resource block number and a time slot, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
As shown in table 3, to set up the mapping relations between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers structural representation.
Table 3
In another embodiment of the present invention, the mapping relations set up in the following manner between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot:
The corresponding relation of two the second virtual resource block numbers in the first virtual resource block number and a time slot is determined, wherein, described two second virtual resource block numbers are the second virtual resource block number of correspondence identical PRB numberings in two time slots;
According to the mapping relations between each second virtual resource block number and PRB numberings, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
Step 103:Base station equipment is using the obtained mapping relations, and selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment, and Downlink Control Information is sent to the user equipment DCI。
Wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding first virtual resource block number.
In step 103, the mode for sending Downlink Control Information DCI to the user equipment includes but is not limited to:
It is determined that for the mapping relations between the resource element groups and PRB of bearer control signalling, wherein, the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot are contained in the mapping relations;
Using the obtained mapping relations, the corresponding physical resource carrying of selection resource element group # sends Downlink Control Information DCI.
Due to 1 DCI transmission one or more control channel elements of correspondence (CCE;).1 control channel element is carried by 4 or 8 resource element groups.
According to localized transmission mode, corresponding 2 PRB of resource allocation element group are continuous, or 1 couple of PRB is continuous.Can be that a pair of PRB can also be multipair continuous P Chaos so when transmitting DCI
According to distributed transmission mode, two of resource element groups or or 1 pair of PRB numbering be discrete.Can be that a pair of discontinuous PRB can also be multipair discontinuous PRB when transmitting DCI.
Specifically, the mapping relations set up in the following manner between two PRB numberings of bearer control signalling in resource element group # and a time slot:
For each resource element group #, numbering interval meets two PRB numberings of GAP values in one time slot of selection.
Wherein, two PRB numberings of bearer control signalling meet interval GAP values in a time slot.Specifically, the mapping relations between two PRB numberings of bearer control signalling in a resource element group # and a time slot are set up and contain the mapping relations set up between two continuous P RB numberings of bearer control signalling in a resource element group # and a time slot;Or the mapping relations set up between two discontinuous PRE numberings of bearer control signalling in a resource element group # and a time slot, herein, if discontinuous PRB is numbered, then discrete PRB numberings interval of values GAP values. It should be noted that resource element groups can be REG (English:Resource Element Group), enhanced REG is can also be, can also be FEREG, not limit here.
For example:The mapping relations set up between two continuous P RB numberings of bearer control signalling in a resource element group # and a time slot.
16 resource element group # of each PRB pair correspondence in a time slot(I.e. 0 ~ 15), in a PRB pair except DMRS (English: Demodulation Reference Signal;Chinese:Demodulated reference signal)(Common CP port numbers are 107,108,109 and 110;Extend CP port numbers be 107,108) outside RE carry out 0 ~ 15 numbering cycle, successively by frequency domain resource to time-domain resource.
Further, resource element groups can be grouped.Such as 1 PRB is to that can be grouped into { 0,4,8,12 }, { 1,5,9,13 }, { 2,6,0,4 }, { 3,7,11,15 }.Packet correspondence 1 CCE (English of every 1 resource element groups: Control Channel Element;Chinese:Control channel element).DCI is carried by the resource element groups corresponding to one or more CCE.Multiple CCE can be located at different PRB to upper.
For example:The mapping relations set up between two discontinuous PRB of bearer control signalling in resource element group # and a time slot.
The GAP values defined between discontinuous PRB at intervals of LTE.
Each 16 resource element numberings of PRB pair correspondence in a time slot(I.e. 0 ~ 15), in a PRB pair except DMRS (English: Demodulation Reference Signal;Chinese:Demodulated reference signal)(Common CP port numbers are 107,108,109 and 110;Extend CP port numbers be 107,108) outside RE carry out 0 ~ 15 numbering cycle, successively by frequency domain resource to time-domain resource.
Resource element groups can be further grouped.Such as 1 PRB is to that can be grouped into { 0,4,8,12 }, { 1,5,9,13 }, { 2,6,0,4 }, { 3,7,11,15 }.The group that can also be grouped to the resource element groups of multiple PRB pairs such as each resource element groups is made up of the resource element groups of 4 PRB pairs, and the resource element groups 0,4,8,12 in such as { 0,4,8,12 } are respectively from 4 PRB pairs.1 CCE of packet correspondence of every 1 resource element groups.DCI is by the resource element groups corresponding to one or more CCE come 7 loads.Multiple CCE can be located on different PRB pairs.
Base station equipment is setting up two PRB of bearer control signalling in resource element group # and a time slot After mapping relations between numbering, can as described above it be determined according to prior art
CCE/ECCE and resource element group # corresponding relation, further obtain the mapping relations between two PRB numberings of bearer control signalling in CCE/ECCE and time slot.
In addition, the resource impact relation for the control signaling that the corresponding resource distribution mode of control signaling is set up when can be using TTI as 1ms(That is EPDCCH ECCE, EREG to PRB mapping) it is standard, the RE that include of ECCE in one time slot are obtained as transfer resources of the TTI for 0.5ms control signalings.
By the scheme of the embodiment of the present invention one, the first Transmission Time Interval TTI is determined;When the 2nd current TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks, wherein, the mapping relations contain the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or the mapping relations in the numbering and a time slot of the first virtual resource blocks pair between two Physical Resource Block PRB numberings of carrying data;Utilize the obtained mapping relations, selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment, Downlink Control Information DCI is sent to the user equipment, so, when the 2nd current TTI values of system are N/TTI, physical source distributing granularity is adjusted, the expense of Downlink Control Information is reduced, from shortening data transmission period, the operating efficiency of lifting system.
Embodiment two:
As shown in figure 5, a kind of schematic flow sheet of the resource allocation methods provided for the embodiment of the present invention two.Methods described can be as described below.
Step 201:User equipment obtains the Downlink Control Information that base station equipment is sent(English: Downlink Control Information;Abbreviation: DCI ).
Wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding virtual resource block number.
Step 202:User equipment determines the second current time tranfer interval of system(2nd Τ).Wherein, the second time tranfer interval Τ Τ Ι are the TTI of Ν/the first, and Ν is the positive integer more than 1.
First Τ Τ Ι can be time tranfer interval as defined in agreement, can also be the time tranfer interval that other modes are determined, for example:First Τ Τ Ι are 1 ms. Step 203:User equipment is when the second current time tranfer interval TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource block number.
Wherein, the mapping relations contain the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or the mapping relations in the numbering and a time slot of the first virtual resource blocks pair between two Physical Resource Block PRB numberings of carrying data.
It should be noted that, mapping relations between virtual resource block number and the Physical Resource Block PRB numberings for carrying data can be predefined by base station equipment and be sent to terminal device, it can also be that base station equipment is respectively stored in inside user equipment and base station equipment by consulting between terminal device, not limit here.
It should be noted that the mode of setting up of the mapping relations between virtual resource block number and the Physical Resource Block PRB numberings for carrying data can be obtained as the method described in the embodiment of the present invention one, do not specifically describe here.User equipment is using the scale factor of setting, the corresponding PRB numbers of PRB numberings that adjustment is determined.
Specifically, the scale factor using setting, the PRB that adjustment is determined numbers corresponding PRB numbers, including:
PRB numbers after being adjusted in the following manner are:
NPRB *a, l]
Wherein, NPRBFor the PRB numbers after adjustment,ΡΗΒCorresponding PRB numbers are numbered for the PRB of determination, a is scale factor, general value is 0.5.
Mapping relations when obtaining TTI in advance due to user equipment for 0.5ms between virtual resource block number and the Physical Resource Block PRB numberings for carrying data, now when receiving the Downlink Control Information of base station equipment transmission, the virtual resource block number of its data distribution is retrieved as, and then determines its corresponding PRB number information.User equipment goes to search TBS forms after PRB number informations are obtained according to PRB and MCS information.But it is due to than to be used at present using the number of PRB during transmission channel of the embodiment of the present invention The PRB of one sub-frame transmission resource will be lacked(Such as lack half;), therefore UE needs the PRB numbers progress scale smaller to acquisition, to ensure to use identical code check with existing system.
But, it is contemplated that down control channel PDCCH is included in even number slot, it takes 1 ~ 4 OFDM symbol, and odd number slot has no such expense.Therefore different scale factors can also be set in the embodiment of the present invention, respectively obtains even number18 number ^^=1^4 5」><^, 1 }, the PRB numbers of odd number: NPRB l}。
For example:In system bandwidth in 20MHz system, subband size is 8, using common subframe.It is in the available RE numbers of common subframe(l4_3)* l2-4*3=l20Res。
The available RE numbers of even timeslots are(7-3)* 12-4=44REs;The available RE numbers of odd numbered slots are 7* 12-8=76REs.The resource ratio of even timeslots is 44/120=0.367, and the resource ratio of odd numbered slots is 76/120=0.634.
Also need to consider that maximum subband is multiplied by scale factor for integer, to dispatch integer PRB, therefore scale factor SF=3/8=0.375 of even timeslots;The scale factor of odd numbered slots is SF=3/8=0.625.
Step 204:User equipment determines the corresponding PRB numberings of virtual resource block number included in the DCI according to the mapping relations;And it is determined that the PRB number the data that the base station equipment is sent obtained on corresponding physical resource.
By way of the embodiment of the present invention two, when the 2nd current TTI values of system are N/TTI, physical source distributing granularity is adjusted, the expense of Downlink Control Information is reduced, from shortening data transmission period, the operating efficiency of lifting system.
Embodiment three:
As shown in fig. 6, a kind of structural representation of the resource allocation apparatus provided for the embodiment of the present invention three.The resource allocation apparatus possesses the function of the embodiment of the present invention one, and the resource allocation apparatus includes:Time determining module 61, mapping relations determining module 62 and sending module 63, wherein:
Time determining module 61, for determining the first Transmission Time Interval Τ;
Mapping relations determining module 62, for when the 2nd current TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks, wherein, The mapping relations contain the mapping relations between two PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two PRB numberings of carrying data in time slot between mapping relations, N is the positive integer more than 1;
Sending module 63, for the mapping relations determined using the mapping relations determining module 62, selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment, and send Downlink Control Information DCI to the user equipment, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding first virtual resource block number.
Specifically, the mapping relations determining module 62, the mapping relations between two PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
Spacing parameter GAP values are determined, and utilize the GAP values, the total number of the second virtual resource block number is obtained;
The sizes values of interleave unit, and sizes values and the total number of the second virtual resource block number according to the interleave unit are determined, the first virtual resource block number number included in the interleave unit is obtained;
The the first virtual resource block number included in the interleave unit of determination is grouped according to the rule of continuous one group of odd even, and the first virtual resource block number after packet is write into the interleave unit according to writing mode line by line;
According to the first virtual resource block number is sequentially sequential read out by column from the interleave unit, according to reading order, the mapping relations set up successively between the first virtual resource block number of reading and two PRB numberings of the carrying data in a time slot.
The mapping relations determining module 62, specifically for the first virtual resource block number number for obtaining including in the interleave unit in the following manner:
d Nf (Nnull / IT N / 2
Wherein, ^ is the first virtual resource block number number for including in the interleave unit; Ν ΝΊFor the sizes values of interleave unit, N is the columns of interleave unit, NffFor the line number of interleave unit, and p, P are the resource block number of setting;H Nf ^, ^^ are second virtual The total number of resource block number.
The mapping relations determining module 62, specifically for according to order by column, the first virtual resource block number is read from the interleave unit successively, when it is determined that the first virtual resource block number read not yet reaches the half of total number of the second virtual resource block number, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number read and a time slot;
It is determined that read total number of the first virtual resource block number more than the second virtual resource block number half when, first virtual resource block number of reading is increased into setting value, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number after increase setting value and a time slot, wherein, the setting value is the difference of GAP values and the half of the total number of the second virtual resource block number.
The mapping relations determining module 62, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:In a time slot, according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, wherein, if the first virtual resource block number is even number, then described two second virtual resource block numbers are two continuous even-numbereds;If the first virtual resource block number is odd number, then described two second virtual resource block numbers are two continuous odd-numbereds;
According to the mapping relations between two PRB numberings that data are carried in the second virtual resource block number and a time slot, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
The mapping relations determining module 62, specifically in the following manner according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, including: 5
Wherein, it is the first virtual resource block number, is the second virtual resource block number. The mapping relations determining module 62, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:The corresponding relation of two the second virtual resource block numbers in the first virtual resource block number and a time slot is determined, wherein, described two second virtual resource block numbers are the second virtual resource block number of correspondence identical PRB numberings in two time slots;
According to the mapping relations between each second virtual resource block number and PRB numberings, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
The mapping relations determining module 62, it is additionally operable to determine the mapping relations between the resource element groups and PRB for bearer control signalling, wherein, the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot are contained in the mapping relations;
The sending module 63, specifically for using the obtained mapping relations, the corresponding physical resource carrying of selection resource element group # sends Downlink Control Information DCI.
The mapping relations determining module 62, specifically for setting up the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot in the following manner:
For each resource element group #, numbering interval meets two PRB numberings of GAP values in one time slot of selection;
The mapping relations set up between the resource element group # and two PRB numberings of selection.
It should be noted that the first TTI is lms, the 2nd TTI is 1/2nd ms.Resource allocation apparatus involved by the embodiment of the present invention three can be integrated in the logical block in base station equipment, the network element of base station equipment presence can also be independently of, it can be realized by hardware mode, it can also be realized by software mode, the implementation for resource allocation apparatus is not limited here.
Example IV:
As shown in fig. 7, a kind of structural representation of the resource allocation apparatus provided for the embodiment of the present invention four.The resource allocation apparatus possesses the function described in the embodiment of the present invention two.The resource allocation apparatus includes:Acquisition module 71, determining module 72 and receiving module 73, wherein:
Acquisition module 71, the Downlink Control Information DCI for obtaining base station equipment transmission, wherein, it is described The PRB that the data selection for being sent to user equipment for carrying is contained in DCI numbers corresponding virtual resource block number;
Determining module 72, for when the second current time tranfer interval TTI of system is N/Τ, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource block number, wherein, the mapping relations contain the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two Physical Resource Block PRB numberings of carrying data in time slot between mapping relations, N is the positive integer more than 1;According to the mapping relations, the corresponding PRB numberings of virtual resource block number included in the DCI are determined;
Receiving module 73, for it is determined that the PRB number the data that the base station equipment is sent obtained on corresponding physical resource.
Alternatively, the resource allocation apparatus also includes:Adjusting module 74, wherein:After numbering, using the scale factor of setting, the PRB that adjustment is determined numbers corresponding PRB numbers, wherein, the PRB that the PRB after adjustment belongs in a time slot.
The adjusting module 74, specifically for being adjusted in the following manner after PRB numbers be:
NPRB *a, l]
Wherein, NPRBFor the PRB numbers after adjustment,ΡΗΒCorresponding PRB numbers are numbered for the PRB of determination, α is scale factor.
It should be noted that the first Τ Τ Ι are lms, the 2nd TTI is 1/2nd ms.Resource allocation apparatus involved by the embodiment of the present invention four can be integrated in the logical block on user equipment, the network element of user equipment presence can also be independently of, it can be realized by hardware mode, it can also be realized by software mode, the implementation for resource allocation apparatus is not limited here.
Embodiment five:
As shown in figure 8, a kind of structural representation of the resource allocation apparatus provided for the embodiment of the present invention five, the resource allocation apparatus possesses the function of performing the embodiment of the present invention one, the resource allocation apparatus can be with Using general-purpose computing system structure, computer system can be specifically the computer based on processor.The resource allocation apparatus entity includes signal projector 81 and at least one processor 82, is connected between signal projector 81 and at least one processor 82 by bus 83.
Wherein, processor 82 can be a general central processor(CPU), microprocessor, ASIC (application-specific integrated circuit, ASIC), or one or more integrated circuits for being used to control the present invention program program to perform.
Processor 82, for determining the first Transmission Time Interval TTI;When the 2nd current TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks, wherein, the mapping relations contain the mapping relations between two PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two PRB numberings of carrying data in time slot between mapping relations, N is the positive integer more than 1;Using the mapping relations, selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment;
Signal projector 81, for sending Downlink Control Information DCI to the user equipment, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding first virtual resource block number.
Specifically, the processor 82, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
Spacing parameter GAP values are determined, and utilize the GAP values, the total number of the second virtual resource block number is obtained;
The sizes values of interleave unit, and sizes values and the total number of the second virtual resource block number according to the interleave unit are determined, the first virtual resource block number number included in the interleave unit is obtained;
The the first virtual resource block number included in the interleave unit of determination is grouped according to the rule of continuous one group of odd even, and the first virtual resource block number after packet is write into the interleave unit according to writing mode line by line;
According to the first virtual resource block number is sequentially sequential read out by column from the interleave unit, according to reading Go out order, the mapping relations set up successively between the first virtual resource block number of reading and two PRB numberings of the carrying data in a time slot.
The processor 82, specifically for the first virtual resource block number number for obtaining including in the interleave unit in the following manner:
d Nf (Nnull / IT N / 2
Wherein, ^ is the first virtual resource block number number for including in the interleave unit; Ν ΝΊFor the sizes values of interleave unit, N is the columns of interleave unit, NffFor the line number of interleave unit, and, ^^ is second virtual
The total number of resource block number.
The processor 82, specifically for according to order by column, the first virtual resource block number is read from the interleave unit successively, when it is determined that the first virtual resource block number read not yet reaches the half of total number of the second virtual resource block number, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number read and a time slot;
It is determined that read total number of the first virtual resource block number more than the second virtual resource block number half when, first virtual resource block number of reading is increased into setting value, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number after increase setting value and a time slot, wherein, the setting value is the difference of GAP values and the half of the total number of the second virtual resource block number.
The processor 82, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
In a time slot, according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, wherein, if the first virtual resource block number is even number, then described two second virtual resource block numbers are two continuous even-numbereds;If the first virtual resource block number is odd number, then described two second virtual resource block numbers are two continuous odd-numbereds;
According between two PRB numberings that data are carried in the second virtual resource block number and a time slot Mapping relations, obtain the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot.
The processor 82, specifically in the following manner according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, including:
It is even number if/even number
N
If odd number is odd number5Wherein, it is the first virtual resource block number, is the second virtual resource block number.
The processor 82, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
The corresponding relation of two the second virtual resource block numbers in the first virtual resource block number and a time slot is determined, wherein, described two second virtual resource block numbers are the second virtual resource block number of correspondence identical PRB numberings in two time slots;
According to the mapping relations between each second virtual resource block number and PRB numberings, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
The processor 82, it is additionally operable to determine the mapping relations between the resource element groups and PRB for bearer control signalling, wherein, the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot are contained in the mapping relations;
The signal projector 81, specifically for using the obtained mapping relations, the corresponding physical resource carrying of selection resource element group # sends Downlink Control Information DCI
The processor 82, specifically for setting up the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot in the following manner:
For each resource element group #, numbering interval meets two PRB numberings of GAP values in one time slot of selection;
The mapping relations set up between the resource element group # and two PRB numberings of selection. It should be noted that the first TTI is lms, the 2nd TTI is 1/2nd ms.Resource allocation apparatus adjusts physical source distributing granularity, reduces the expense of Downlink Control Information when the 2nd current TTI values of system are N/TTI, from shortening data transmission period, the operating efficiency of lifting system.
Embodiment six:
As shown in figure 9, a kind of structural representation of the resource allocation apparatus provided for the embodiment of the present invention six.The resource allocation apparatus possesses the function of performing the embodiment of the present invention two, and the resource allocation apparatus can use general-purpose computing system structure, and computer system can be specifically the computer based on processor.The resource allocation apparatus entity includes signal receiver 91 and at least one processor 92, is connected between signal receiver 91 and at least one processor 92 by bus 93.
Wherein, processor 92 can be a general central processor(CPU), microprocessor, ASIC (application-specific integrated circuit, ASIC), or one or more integrated circuits for being used to control the present invention program program to perform.
Processor 92, the Downlink Control Information DCI for obtaining base station equipment transmission, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding virtual resource block number;When the second current time tranfer interval TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource block number, wherein, the mapping relations contain the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two Physical Resource Block PRB numberings of carrying data in time slot between mapping relations, N is the positive integer more than 1;According to the mapping relations, the corresponding PRB numberings of virtual resource block number included in the DCI are determined;
Signal receiver 91, for it is determined that the PRB number the data that the base station equipment is sent obtained on corresponding physical resource.After number corresponding PRB numberings, using the scale factor of setting, the PRB that adjustment is determined numbers corresponding PRB numbers, wherein, the PRB that the PRB after adjustment belongs in a time slot. The processor 92, specifically for being adjusted in the following manner after PRB numbers be:
NPRB *a, l]
;Wherein, NPRBFor the PRB numbers after adjustment,ΡΗΒCorresponding PRB numbers are numbered for the PRB of determination, α is scale factor.
Resource allocation apparatus adjusts physical source distributing granularity, reduces the expense of Downlink Control Information when the 2nd current Τ Τ Ι values of system are Ν/the first Τ Τ Ι, from shortening data transmission period, the operating efficiency of lifting system.
It will be understood by those skilled in the art that embodiments of the invention can be provided as method, device(Equipment)Or computer program product.Therefore, the form of the embodiment in terms of the present invention can use complete hardware embodiment, complete software embodiment or combine software and hardware.Moreover, the present invention can be used (includes but is not limited to magnetic disk storage, CD-ROM, optical memory etc. in one or more computer-usable storage mediums for wherein including computer usable program code)The form of the computer program product of upper implementation.
The present invention is with reference to method according to embodiments of the present invention, device(Equipment)Described with the flow chart and/or block diagram of computer program product.It should be understood that can by the flow in each flow and/or square frame and flow chart and/or block diagram in computer program instructions implementation process figure and/or block diagram and/or square frame combination.These computer program instructions can be provided to the processor of all-purpose computer, special-purpose computer, Embedded Processor or other programmable data processing devices to produce a machine so that produce the device for being used for realizing the function of specifying in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames by the instruction of the computing device of computer or other programmable data processing devices.
These computer program instructions may be alternatively stored in the computer-readable memory that computer or other programmable data processing devices can be guided to work in a specific way, so that the instruction being stored in the computer-readable memory, which is produced, includes the manufacture of command device, the command device realizes the function of being specified in one flow of flow chart or multiple flows and/or one square frame of block diagram or multiple square frames.
These computer program instructions can be also loaded into computer or other programmable data processing devices, so that series of operation steps is performed on computer or other programmable devices to produce computer implemented processing, so that the instruction performed on computer or other programmable devices is provided for realizing in flow chart The step of function of being specified in one flow or multiple flows and/or one square frame of block diagram or multiple square frames.Although preferred embodiments of the present invention have been described, but those skilled in the art once know basic creative concept, then other change and modification can be made to these embodiments.So, appended claims are intended to be construed to include preferred embodiment and fall into having altered and changing for the scope of the invention.The spirit and scope of invention.So, if these modifications and variations of the present invention belong within the scope of the claims in the present invention and its equivalent technologies, then the present invention is also intended to comprising including these changes and modification.

Claims (34)

  1. Claim
    1st, a kind of resource allocation apparatus, it is characterised in that including:
    Time determining module, for determining the first Transmission Time Interval Τ;
    Mapping relations determining module, for when the 2nd current TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks, wherein, the mapping relations contain the mapping relations between two PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two PRB numberings of carrying data in time slot between mapping relations, N is the positive integer more than 1;
    Sending module, for utilizing the mapping relations, selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment, and send Downlink Control Information DCI to the user equipment, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding first virtual resource block number.
    2nd, resource allocation apparatus as claimed in claim 1, it is characterised in that
    The mapping relations determining module, the mapping relations between two PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
    Spacing parameter GAP values are determined, and utilize the GAP values, the total number of the second virtual resource block number is obtained;
    The sizes values of interleave unit, and sizes values and the total number of the second virtual resource block number according to the interleave unit are determined, the first virtual resource block number number included in the interleave unit is obtained;
    The the first virtual resource block number included in the interleave unit of determination is grouped according to the rule of continuous one group of odd even, and the first virtual resource block number after packet is write into the interleave unit according to writing mode line by line;
    According to the first virtual resource block number is sequentially sequential read out by column from the interleave unit, according to reading order, the mapping relations set up successively between the first virtual resource block number of reading and two PRB numberings of the carrying data in a time slot. 3rd, resource allocation apparatus as claimed in claim 2, it is characterised in that
    The mapping relations determining module, specifically for the first virtual resource block number number for obtaining including in the interleave unit in the following manner:
    d Nf (Nnull / IT N / 2
    Wherein, ^ is the first virtual resource block number number for including in the interleave unit; Ν ΝΊFor the sizes values of interleave unit, N is the columns of interleave unit, NffFor the line number of interleave unit, and, ^^ is second virtual
    The total number of resource block number.
    4th, resource allocation apparatus as claimed in claim 2 or claim 3, it is characterised in that
    The mapping relations determining module, specifically for according to order by column, the first virtual resource block number is read from the interleave unit successively, when it is determined that the first virtual resource block number read not yet reaches the half of total number of the second virtual resource block number, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number read and a time slot;
    It is determined that read total number of the first virtual resource block number more than the second virtual resource block number half when, first virtual resource block number of reading is increased into setting value, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number after increase setting value and a time slot, wherein, the setting value is the difference of GAP values and the half of the total number of the second virtual resource block number.
    5th, resource allocation apparatus as claimed in claim 1, it is characterised in that
    The mapping relations determining module, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
    In a time slot, according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, wherein, if the first virtual resource block number is even number, then described two second virtual resource block numbers are two continuous even-numbereds;If the first virtual resource block number is odd number, then described two second virtual resource block numbers are two continuous odd-numbereds; According to the mapping relations between two PRB numberings that data are carried in the second virtual resource block number and a time slot, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
    6th, resource allocation apparatus as claimed in claim 5, it is characterised in that
    The mapping relations determining module, specifically in the following manner according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, including: 5
    Wherein, it is the first virtual resource block number, is the second virtual resource block number.
    7th, resource allocation apparatus as claimed in claim 1, it is characterised in that
    The mapping relations determining module, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
    The corresponding relation of two the second virtual resource block numbers in the first virtual resource block number and a time slot is determined, wherein, described two second virtual resource block numbers are the second virtual resource block number of correspondence identical PRB numberings in two time slots;
    According to the mapping relations between each second virtual resource block number and PRB numberings, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
    8th, the resource allocation apparatus as described in claim 1 to 7 is any, it is characterized in that, the mapping relations determining module, it is additionally operable to determine the mapping relations between the resource element groups and PRB for bearer control signalling, wherein, the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot are contained in the mapping relations;
    The sending module, specifically for using the obtained mapping relations, the corresponding physical resource carrying of selection resource element group # sends Downlink Control Information DCI
    9th, resource allocation apparatus as claimed in claim 8, it is characterised in that The mapping relations determining module, specifically for setting up the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot in the following manner:
    For each resource element group #, numbering interval meets two PRB numberings of GAP values in one time slot of selection;
    The mapping relations set up between the resource element group # and two PRB numberings of selection.
    10th, the resource allocation apparatus as described in claim 1 to 9 is any, it is characterised in that the first TTI is lms, the 2nd TTI is 1/2nd ms.
    11st, a kind of resource allocation apparatus, it is characterised in that including:
    Acquisition module, the Downlink Control Information DCI for obtaining base station equipment transmission, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding virtual resource block number;
    Determining module, for when the second current time tranfer interval TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource block number, wherein, the mapping relations contain the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two Physical Resource Block PRB numberings of carrying data in time slot between mapping relations, N is the positive integer more than 1;According to the mapping relations, the corresponding PRB numberings of virtual resource block number included in the DCI are determined;
    Receiving module, for it is determined that the PRB number the data that the base station equipment is sent obtained on corresponding physical resource.
    12nd, resource allocation apparatus as claimed in claim 11, it is characterised in that the resource allocation apparatus also includes:Adjusting module, wherein:
    Adjusting module, for it is determined that after the corresponding PRB numberings of the virtual resource block number included in the DCI, using the scale factor of setting, the PRB that adjustment is determined numbers corresponding PRB numbers, wherein, the PRB that the PRB after adjustment belongs in a time slot.
    13rd, resource allocation apparatus as claimed in claim 12, it is characterised in that
    The adjusting module, specifically for being adjusted in the following manner after PRB numbers be: NPRB = max{[N/ PRBJ*a,l};
    Wherein, NPRBFor the PRB numbers after adjustment,ΡΗΒCorresponding PRB numbers are numbered for the PRB of determination, α is scale factor.
    14th, a kind of resource allocation apparatus, it is characterised in that including:
    Processor, for determining the first Transmission Time Interval Τ Τ Ι;When the 2nd current Τ Τ Ι of system are Ν/the first Τ Τ Ι, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks, wherein, the mapping relations contain the mapping relations between two PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two PRB numberings of carrying data in time slot between mapping relations, Ν is the positive integer more than 1;Using the mapping relations, selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment;
    Signal projector, for sending Downlink Control Information DCI to the user equipment, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding first virtual resource block number.
    15th, resource allocation apparatus as claimed in claim 14, it is characterised in that
    The processor, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
    Spacing parameter GAP values are determined, and utilize the GAP values, the total number of the second virtual resource block number is obtained;
    The sizes values of interleave unit, and sizes values and the total number of the second virtual resource block number according to the interleave unit are determined, the first virtual resource block number number included in the interleave unit is obtained;
    The the first virtual resource block number included in the interleave unit of determination is grouped according to the rule of continuous one group of odd even, and the first virtual resource block number after packet is write into the interleave unit according to writing mode line by line;
    According to the first virtual resource block number is sequentially sequential read out by column from the interleave unit, according to reading Go out order, the mapping relations set up successively between the first virtual resource block number of reading and two PRB numberings of the carrying data in a time slot.
    16th, resource allocation apparatus as claimed in claim 15, it is characterised in that
    The processor, specifically for the first virtual resource block number number for obtaining including in the interleave unit in the following manner:
    d Nf (Nnull / IT N / 2
    Wherein, ^ is the first virtual resource block number number for including in the interleave unit; Ν ΝΊFor the sizes values of interleave unit, N is the columns of interleave unit, NffFor the line number of interleave unit, and, ^^ is second virtual
    The total number of resource block number.
    17th, the resource allocation apparatus as described in claims 14 or 15, it is characterised in that
    The processor, specifically for according to order by column, the first virtual resource block number is read from the interleave unit successively, when it is determined that the first virtual resource block number read not yet reaches the half of total number of the second virtual resource block number, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number read and a time slot;
    It is determined that read total number of the first virtual resource block number more than the second virtual resource block number half when, first virtual resource block number of reading is increased into setting value, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number after increase setting value and a time slot, wherein, the setting value is the difference of GAP values and the half of the total number of the second virtual resource block number.
    18th, resource allocation apparatus as claimed in claim 14, it is characterised in that
    The processor, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
    In a time slot, according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, wherein, if the first virtual resource block number is even number, then described two second virtual resource block numbers are two continuous Even-numbered;If the first virtual resource block number is odd number, then described two second virtual resource block numbers are two continuous odd-numbereds;
    According to the mapping relations between two PRB numberings that data are carried in the second virtual resource block number and a time slot, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
    19th, resource allocation apparatus as claimed in claim 18, it is characterised in that
    The processor, specifically in the following manner according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, including: 5
    Wherein, it is the first virtual resource block number, is the second virtual resource block number.
    20th, resource allocation apparatus as claimed in claim 14, it is characterised in that
    The processor, the mapping relations between two Physical Resource Block PRB numberings of data are carried specifically for setting up in the following manner in the first virtual resource block number and a time slot:
    The corresponding relation of two the second virtual resource block numbers in the first virtual resource block number and a time slot is determined, wherein, described two second virtual resource block numbers are the second virtual resource block number of correspondence identical PRB numberings in two time slots;
    According to the mapping relations between each second virtual resource block number and PRB numberings, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
    21st, the resource allocation apparatus as described in claim 14 to 20 is any, it is characterized in that, the processor, it is additionally operable to determine the mapping relations between the resource element groups and PRB for bearer control signalling, wherein, the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot are contained in the mapping relations;
    The signal projector, specifically for using the obtained mapping relations, selecting resource element groups Number corresponding physical resource carrying and send Downlink Control Information DCI.
    22nd, resource allocation apparatus as claimed in claim 21, it is characterised in that
    The processor, specifically for setting up the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot in the following manner:
    For each resource element group #, numbering interval meets two PRB numberings of GAP values in one time slot of selection;
    The mapping relations set up between the resource element group # and two PRB numberings of selection.
    23rd, the resource allocation apparatus as described in claim 14 to 22 is any, it is characterised in that the first TTI is 1ms, the 2nd TTI is 1/2nd ms.
    24th, a kind of resource allocation apparatus, it is characterised in that including:
    Processor, the Downlink Control Information DCI for obtaining base station equipment transmission, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding virtual resource block number;When the second current time tranfer interval TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource block number, wherein, the mapping relations contain the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two Physical Resource Block PRB numberings of carrying data in time slot between mapping relations, N is the positive integer more than 1;According to the mapping relations, the corresponding PRB numberings of virtual resource block number included in the DCI are determined;
    Signal receiver, for it is determined that the PRB number the data that the base station equipment is sent obtained on corresponding physical resource.
    25th, resource allocation apparatus as claimed in claim 24, it is characterised in that
    The processor, it is additionally operable to it is determined that after the corresponding PRB numberings of the virtual resource block number included in the DCI, using the scale factor of setting, the PRB that adjustment is determined numbers corresponding PRB numbers, wherein, the PRB that the PRB after adjustment belongs in a time slot.
    26th, resource allocation apparatus as claimed in claim 25, it is characterised in that
    The processor, specifically for being adjusted in the following manner after PRB numbers be: NPRB = max{[N/ PRBJ*a,l};
    Wherein, NPRBFor the PRB numbers after adjustment,ΡΗΒCorresponding PRB numbers are numbered for the PRB of determination, α is scale factor.
    27th, a kind of resource allocation methods, it is characterised in that including:
    Determine the first Transmission Time Interval Τ;
    When the 2nd current Τ Τ Ι of system are Ν/the first Τ Τ Ι, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource blocks, wherein, the mapping relations contain the mapping relations between two PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two PRB numberings of carrying data in time slot between mapping relations, Ν is the positive integer more than 1;
    Utilize the mapping relations, selection PRB numbers the data that corresponding Physical Resource Block carrying is sent to user equipment, and send Downlink Control Information DCI to the user equipment, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding first virtual resource block number.
    28th, method as claimed in claim 27, it is characterised in that the mapping relations set up in the following manner between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot:
    Spacing parameter GAP values are determined, and utilize the GAP values, the total number of the second virtual resource block number is obtained;
    The sizes values of interleave unit, and sizes values and the total number of the second virtual resource block number according to the interleave unit are determined, the first virtual resource block number number included in the interleave unit is obtained;
    The the first virtual resource block number included in the interleave unit of determination is grouped according to the rule of continuous one group of odd even, and the first virtual resource block number after packet is write into the interleave unit according to writing mode line by line;
    According to the first virtual resource block number is sequentially sequential read out by column from the interleave unit, according to reading Go out order, the mapping relations set up successively between the first virtual resource block number of reading and two PRB numberings of the carrying data in a time slot.
    29th, method as claimed in claim 28, it is characterised in that obtain the first virtual resource block number number included in the interleave unit in the following manner:
    d Nf (Nnull / IT N / 2
    Wherein, ^ is the first virtual resource block number number for including in the interleave unit; Ν ΝΊFor the sizes values of interleave unit, N is the columns of interleave unit, NffFor the line number of interleave unit, and, ^^ is second virtual
    The total number of resource block number.
    30th, the method as described in claim 28 or 29, it is characterized in that, it is described when from the interleave unit according to EVRB numberings are sequentially sequential read out by column, the mapping relations set up between two PRB numberings of carrying data in each first virtual resource block number and a time slot, including:
    According to order by column, the first virtual resource block number is read from the interleave unit successively, when it is determined that the first virtual resource block number read not yet reaches the half of total number of the second virtual resource block number, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number read and a time slot;
    It is determined that read total number of the first virtual resource block number more than the second virtual resource block number half when, first virtual resource block number of reading is increased into setting value, the mapping relations set up between two PRB numberings of carrying data in the first virtual resource block number after increase setting value and a time slot, wherein, the setting value is the difference of GAP values and the half of the total number of the second virtual resource block number.
    31st, method as claimed in claim 27, it is characterised in that the mapping relations set up in the following manner between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot:
    In a time slot, according to the order of the first virtual resource block number, the mapping relations set up between the first virtual resource blocks even-numbered and two the second virtual resource block numbers, and the mapping relations set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers, wherein, if When virtual resource block number is even number, then described two second virtual resource block numbers are two continuous even-numbereds;If the first virtual resource block number is odd number, then described two second virtual resource block numbers are two continuous odd-numbereds;
    According to the mapping relations between two PRB numberings that data are carried in the second virtual resource block number and a time slot, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
    32nd, method as claimed in claim 31, it is characterized in that, in the following manner according to the order of the first virtual resource block number, the mapping relations that the mapping relations between the first virtual resource blocks even-numbered and two the second virtual resource block numbers and foundation are set up between the first virtual resource blocks odd-numbered and two the second virtual resource block numbers are set up, including: 5
    Wherein, it is the first virtual resource block number, is the second virtual resource block number.
    33rd, method as claimed in claim 27, it is characterised in that the mapping relations set up in the following manner between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot:
    The corresponding relation of two the second virtual resource block numbers in the first virtual resource block number and a time slot is determined, wherein, described two second virtual resource block numbers are the second virtual resource block number of correspondence identical PRB numberings in two time slots;
    According to the mapping relations between each second virtual resource block number and PRB numberings, the mapping relations between two PRB numberings of carrying data in the corresponding first virtual resource block number of the second virtual resource block number and a time slot are obtained.
    34th, the method as described in claim 27 to 33 is any, it is characterised in that send Downlink Control Information DCI to the user equipment, including:
    It is determined that for the mapping relations between the resource element groups and PRB of bearer control signalling, wherein, the mapping relations between two PRB numberings of bearer control signalling in resource element group # and a time slot are contained in the mapping relations; Using the obtained mapping relations, the corresponding physical resource carrying of selection resource element group # sends Downlink Control Information DCI.
    35th, method as claimed in claim 34, it is characterised in that the mapping relations set up in the following manner between two PRB numberings of bearer control signalling in resource element group # and a time slot:
    For each resource element group #, numbering interval meets two PRB numberings of GAP values in one time slot of selection;
    The mapping relations set up between the resource element group # and two PRB numberings of selection.
    36th, the method as described in claim 27 to 35 is any, it is characterised in that the first Τ is lms, the 2nd TTI is 1/2nd ms.
    37th, a kind of resource allocation methods, it is characterised in that including:
    The Downlink Control Information DCI that base station equipment is sent is obtained, wherein, the PRB that the data selection for being sent to user equipment for carrying is contained in the DCI numbers corresponding virtual resource block number;
    When the second current time tranfer interval TTI of system is N/TTI, it is determined that for carrying the mapping relations between the Physical Resource Block PRB of data and virtual resource block number, wherein, the mapping relations contain the mapping relations between two Physical Resource Block PRB numberings of carrying data in the first virtual resource block number and a time slot, or first virtual resource blocks pair numbering and two Physical Resource Block PRB numberings of carrying data in time slot between mapping relations, N is the positive integer more than 1;
    According to the mapping relations, the corresponding PRB numberings of virtual resource block number included in the DCI are determined;
    It is determined that the PRB number the data that the base station equipment is sent obtained on corresponding physical resource.
    38th, method as claimed in claim 37, it is characterised in that it is determined that after the corresponding PRB numberings of the virtual resource block number included in the DCI, methods described also includes:
    Using the scale factor of setting, the PRB that adjustment is determined numbers corresponding PRB numbers, wherein, the PRB that the PRB after adjustment belongs in a time slot.
    39th, method as claimed in claim 38, it is characterised in that the scale factor using setting, the PRB that adjustment is determined numbers corresponding PRB numbers, including: PRB numbers after being adjusted in the following manner are:
    NPRB =max{[N'PRflJ*a,l};Wherein, NPRBFor the PRB numbers after adjustment,ΡΗΒCorresponding PRB numbers are numbered for the PRB of determination,《For scale factor.
CN201480035536.5A 2014-08-29 2014-08-29 A kind of resource allocation methods and equipment Active CN106170957B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2014/085585 WO2016029455A1 (en) 2014-08-29 2014-08-29 Resource allocation method and device

Publications (2)

Publication Number Publication Date
CN106170957A true CN106170957A (en) 2016-11-30
CN106170957B CN106170957B (en) 2019-05-07

Family

ID=55398661

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201480035536.5A Active CN106170957B (en) 2014-08-29 2014-08-29 A kind of resource allocation methods and equipment

Country Status (2)

Country Link
CN (1) CN106170957B (en)
WO (1) WO2016029455A1 (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109511170A (en) * 2017-09-15 2019-03-22 维沃移动通信有限公司 A kind of indicating means and user terminal of PRB bundling size
CN109996339A (en) * 2017-12-29 2019-07-09 华为技术有限公司 A kind of communication means and device
CN110011757A (en) * 2018-01-05 2019-07-12 维沃移动通信有限公司 The processing method and communication equipment of basic interleave unit
CN110720193A (en) * 2017-06-12 2020-01-21 高通股份有限公司 Multi-part interleaver design supporting CORESET with different symbol lengths

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107155219B (en) * 2016-03-05 2020-02-18 上海朗帛通信技术有限公司 Wireless communication method and device for reducing network delay
EP3979543A1 (en) * 2016-03-31 2022-04-06 Samsung Electronics Co., Ltd. Resource allocation method in wireless communication system, data reception method on basis of same and device for same
KR20170112897A (en) 2016-03-31 2017-10-12 삼성전자주식회사 Method and apparatus for configuring csi reporting mode in wireless communication system
CN110022194B (en) * 2018-01-09 2021-08-24 维沃移动通信有限公司 Resource mapping method, network side equipment and terminal

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102870355A (en) * 2010-06-17 2013-01-09 Lg电子株式会社 Method and apparatus for transmitting and receiving R-PDCCH
CN103650447A (en) * 2011-07-12 2014-03-19 Lg电子株式会社 Method for transmitting or receiving pdcch and user equipment or base station for the method

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101170526A (en) * 2006-10-24 2008-04-30 华为技术有限公司 Method, network side device and user terminal for mapping distributed sub-carrier to physical resource blocks
CN101547518A (en) * 2008-03-25 2009-09-30 三星电子株式会社 Equipment and method for allocating distributed channel

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102870355A (en) * 2010-06-17 2013-01-09 Lg电子株式会社 Method and apparatus for transmitting and receiving R-PDCCH
CN103650447A (en) * 2011-07-12 2014-03-19 Lg电子株式会社 Method for transmitting or receiving pdcch and user equipment or base station for the method

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110720193A (en) * 2017-06-12 2020-01-21 高通股份有限公司 Multi-part interleaver design supporting CORESET with different symbol lengths
CN109511170A (en) * 2017-09-15 2019-03-22 维沃移动通信有限公司 A kind of indicating means and user terminal of PRB bundling size
CN109511170B (en) * 2017-09-15 2021-11-23 维沃移动通信有限公司 Method for indicating PRB bundling size and user terminal
CN109996339A (en) * 2017-12-29 2019-07-09 华为技术有限公司 A kind of communication means and device
CN109996339B (en) * 2017-12-29 2022-12-06 华为技术有限公司 Communication method and device
CN110011757A (en) * 2018-01-05 2019-07-12 维沃移动通信有限公司 The processing method and communication equipment of basic interleave unit

Also Published As

Publication number Publication date
WO2016029455A1 (en) 2016-03-03
CN106170957B (en) 2019-05-07

Similar Documents

Publication Publication Date Title
CN106170957A (en) A kind of resource allocation methods and equipment
JP7432713B2 (en) Methods and apparatus, storage medium, transmitting UE, and receiving UE for transmitting and receiving second stage SCI
CN106465378B (en) Method and apparatus for transmitting uplink data
CN105934917B (en) A kind of downlink control channel transmission and equipment
RU2599729C1 (en) Method of allocating the number of candidates for channel control and the number of times of blind detection, base station and user equipment
CN105578608A (en) Downlink control information transmitting and receiving method and device
EP2879450B1 (en) Control channel transmitting and receiving method, base station, and user equipment
CN106973441A (en) A kind of accidental access method and device
CN105594273A (en) Physical downlink data channel transmission method, base station and user equipment
CN111770577B (en) Method and device for determining transmission resources
CN102215571B (en) Method and device for allocating resources for physical hybrid automatic repeat request indicator channel
US20070177553A1 (en) Apparatus, method and computer program product providing efficient signaling of user allocations in an optimum manner
WO2013185316A1 (en) Determining method and device of uplink control channel resources
WO2014019286A1 (en) Control channel transmission method and device
CN106797660A (en) Ascending transmission method and device in a kind of Stochastic accessing
JP6935499B2 (en) Information transmission method, network equipment and terminal equipment
JP2019537379A (en) Coding method determination method and apparatus
CN103916867A (en) Method and apparatus for determining capacity of control channel
CN109802789A (en) Transmit the configuration method and equipment of the time-frequency domain resources of common control information
CN103580834A (en) ePDCCH transmitting and receiving method, device, base station and user device
CN109802749A (en) A kind of PUCCH resource indicating means, terminal device and base station
EP4037229A1 (en) Communication method and apparatus, computer-readable medium and electronic device
CN108633002A (en) A kind of resource indicating method, relevant device and system
CN103313273A (en) Channel sending method, detection method, base station and terminal
CN103795514B (en) EPDCCH sending, receiving methods and base station, user equipment

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant