CN103580798B - The distribution on transmission opportunity, the computational methods of uplink subframe number and device - Google Patents
The distribution on transmission opportunity, the computational methods of uplink subframe number and device Download PDFInfo
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- CN103580798B CN103580798B CN201210278660.7A CN201210278660A CN103580798B CN 103580798 B CN103580798 B CN 103580798B CN 201210278660 A CN201210278660 A CN 201210278660A CN 103580798 B CN103580798 B CN 103580798B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0027—Scheduling of signalling, e.g. occurrence thereof
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
- H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
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- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of distribution on transmission opportunity, the computational methods and device of uplink subframe number, in the above-mentioned methods, base station is the first idle sub-frame of uplink of the user equipment distribution of base station to be accessed, wherein, the first sub-frame of uplink is used for user equipment to base station reporting channel quality instruction CQI or pre-coding matrix instruction PMI；Base station is the second idle sub-frame of uplink of user equipment distribution, wherein, second sub-frame of uplink is used for the order RI that user equipment reports pre-coding matrix to base station, second sub-frame of uplink is chosen in idle sub-frame of uplink from 0 N number of subframe before the first sub-frame of uplink, and N is more than or equal to the cycle that user equipment reports CQI or PMI to base station.According to technical scheme provided by the invention, the effect of the resource utilization of the system of raising, uplink throughput and user satisfaction is reached.
Description
Technical field
The present invention relates to the communications field, in particular to a kind of distribution on transmission opportunity, the calculating side of uplink subframe number
Method and device.
Background technology
Physical uplink control channel（Physical Uplink Control CHannel, referred to as PUCCH）It is long
Phase evolution（Long Term Evolution, referred to as LTE）The physical channel of transmitting uplink control information in system, it is acted on
It is to transmit the up-link control signaling unrelated with data, i.e. ascending control information（Uplink Control
Information, referred to as UCI）；PUCCH can support multiple format, wherein it is possible to including：The UCI that form 1 transmits is tune
Degree request（Scheduling Request, referred to as SR）, form 2/2a/2b transmission UCI for periodicity CQI/PMI or
CQI/PMI, RI and ACK/NACK multiplexing.User equipment（UE）Detect and pass through wireless heterogeneous networks in base station（Radio
Resource Control, referred to as RRC）Reporting channel quality indicates in the time, frequency, code domain resource that signaling is specified（Channel
Quality Indicator, referred to as CQI）.ENB by CQI determines Physical Downlink Shared Channel after receiving
（Physical Downlink Shared Channel, referred to as PDSCH）Modulation system.UE is detected and passed through in base station
With CQI while reporting pre-coding matrix instruction in the time, frequency, code domain resource that RRC signaling is specified（Precoding Matrix
Indicator, referred to as PMI）, eNB by PMI determines which kind of downlink data pre-coding matrix used after receiving, wherein,
RI is the order of pre-coding matrix.UE goes out the correlation of its down channel according to the downlink wireless channel Mass Calculation detected.Always
For it, CQI/PMI/RI reflects the channel quality information of active user's downlink channel condition, and base station is according to these information energy
Enough judge down channel code word, pre-coding matrix and transmission mode etc..
UE periodically reports CQI/PMI/RI upload opportunity to have eNB to be configured by the RRC signaling in 36.331 agreements
To UE, related content is as follows in its message：
Cqi-pmi-ConfigIndex in the message represents CQI/PMI transmission opportunity；Ri-ConfigIndex is represented
RI transmission opportunity, and remaining field is unrelated to the invention, here is omitted.36.213 agreements define RI and CQI/PMI
Transmission opportunity calculation formula, wherein, CQI/PMI transmission opportunity can use equation below to represent：
（Formula one）
Wherein, nfRepresent System Frame Number, nsRepresent timeslot number, NOFFSET,CQIRepresent the CQI or the PMI transmission
Occasion offset, it is one-to-one relation that it, which is sent to UE cqi-pmi-ConfigIndex with eNB, NPRepresent the user
Equipment reports the CQI or the PMI cycle to the base station, and it is sent to UE cqi-pmi- with eNB
ConfigIndex also has unique corresponding relation.Both corresponding relations may refer to the Table7.2.2- in 36.213 agreements
1A（FDD）, Table 7.2.2-1C in 36.213 agreements（TDD）.
Wherein, RI transmission opportunity can use equation below to represent：
（Formula two）
Wherein, nfRepresent System Frame Number, nsRepresent timeslot number, NOFFSET,CQIRepresent the CQI or the PMI transmission
Occasion offset, it is one-to-one relation that it, which is sent to UE cqi-pmi-ConfigIndex with eNB, NPRepresent the user
Equipment reports the CQI or the PMI cycle, N to the base stationOFFSET,RIRepresent that RI is inclined relative to CQI/PMI subframe
Number is moved, it is one-to-one relation with the eNB ri-ConfigIndex for being sent to UE, be may refer to specific corresponding to relation
Table 7.2.2-1B in 36.213 agreements.
It is not difficult to find out from above-mentioned two formula, MRIRepresent that the user equipment reports the cycle of the RI to be to the base station
The user equipment reports the multiple in the CQI or the PMI cycle to the base station.RI transmission opportunity is referred to
CQI/PMI transmission opportunity, and be to send opportunity with reference to first CQI in the RI cycles.Agreement provides that eNB is sent out again simultaneously
Give UE IRI（I.e. above-mentioned RI transmission opportunity）Corresponding NOFFSET,RISpan for 0, -1 ...,-(Np- 1) },
NPRepresent that the user equipment reports the CQI or the PMI cycle, i.e. the subframe model that RI can be selected to the base station
It is first N in the RI cycles to enclosePCQI/PMI sub-frame of uplink before [0, NP- 1] individual subframe, as shown in Figure 1.In MRI
Value be more than or equal to 2 in the case of, it is possible to cause sub-frame of uplink resource in part corresponding to RI to apply, this is to treasure
Expensive PUCCH resource is a kind of waste.Because in LTE system, PUCCH and PUSCH share up-link bandwidth.If
The configuration of PUCCH frequency domain resources is more, the reduction that PUSCH frequency domain resources certainly will be caused to configure, and then influences the up of LTE system and gulp down
The amount of telling.In correlation technique, in the configuration of product, the resource block for reducing or making full use of PUCCH to take all is to try to（RB）Number,
To improve the resource utilization of whole system and lifting system handling capacity.
As shown in Fig. 2 below with TDD sub-frame configurations 3, Np=10, MRIIllustrate above-mentioned problem exemplified by=2（Need
It is bright, it is not required here and considers code division and frequency division）.Each has three sub-frame of uplink in the CQI cycles, according to above-mentioned configuration,
It is assigned with for first UE after CQI/PMI and RI resources（ICQI/PMI=9, IRI=162）；The UE of second access is just without foot
Enough resource allocation RI, although in Fig. 2 within 20MS cycle, also in the presence of 3 idle sub-frame of uplink.Obviously, wasted in Fig. 2
50% CQI/PMI and RI sub-frame of uplink.
The content of the invention
The invention provides a kind of distribution on transmission opportunity, the computational methods and device of uplink subframe number, at least to solve
The span for distributing sub-frame of uplink in correlation technique for RI easily causes asking for the waste of part sub-frame of uplink resource corresponding to RI
Topic.
A kind of according to an aspect of the invention, there is provided distribution method on transmission opportunity.
Included according to the distribution method on the transmission opportunity of the present invention：Base station is idle for the user equipment distribution of base station to be accessed
The first sub-frame of uplink, wherein, the first sub-frame of uplink is used for user equipment and indicates CQI or to prelist to base station reporting channel quality
Code matrix instruction PMI；Base station is the second idle sub-frame of uplink of user equipment distribution, wherein, the second sub-frame of uplink is used for user
Equipment reports the order RI of pre-coding matrix to base station, and the second sub-frame of uplink is from the 0-N subframe hollow spare time before the first sub-frame of uplink
Sub-frame of uplink in choose, N is more than or equal to the cycle that default user equipment reports to base station CQI or PMI.
Preferably, is chosen from the hollow not busy sub-frame of uplink of 0-N subframe before the first sub-frame of uplink using equation below
Two sub-frame of uplink：Its
In, nfRepresent System Frame Number, nsRepresent timeslot number, NOFFSET,CQIRepresent CQI or PMI transmission occasion offset, NPRepresent default
User equipment CQI or PMI cycle, M are reported to base stationRIIt is default to represent that user equipment reports RI cycle to base station
User equipment reports the multiple in CQI or PMI cycle, N to base stationOFFSET,MRISpan be 0 to MRI-1。
Preferably, RI- is increased in periodic report channel quality indicator (CQI)-ReportPeriodic cells
MriIndex cells, wherein, RI-MriIndex cells are used for the selection range for being adjusted to RI distribution sub-frame of uplink, RI-
MriIndex span is 0 to MRI-1。
Preferably, after distributing the first sub-frame of uplink in base station for user equipment, in addition to：Base station is according to allocated
The position of one sub-frame of uplink and default user equipment report CQI or PMI cycle to determine user equipment to report CQI to base station
Or PMI opportunity.
Preferably, after distributing the second sub-frame of uplink in base station for user equipment, in addition to：Base station is according to allocated
The position of two sub-frame of uplink and default user equipment report RI cycle to determine user equipment to report RI opportunity to base station.
Preferably, after distributing the second sub-frame of uplink in base station for user equipment, in addition to：Base station is according to upper after determination
The opportunity for reporting RI and the opportunity for reporting CQI or PMI calculate the first uplink subframe number for reporting RI respectively and report CQI or
Person PMI the second uplink subframe number；Base station receives respectively according to the first uplink subframe number and the second uplink subframe number that calculate
The RI and CQI or PMI of user equipment to report.
According to another aspect of the present invention, there is provided a kind of computational methods of uplink subframe number.
Included according to the computational methods of the uplink subframe number of the present invention：The configuration that user equipment reception comes from base station disappears
Breath, wherein, configure in message and carry user equipment to report RI opportunity and user equipment to report CQI or PMI opportunity；With
Family equipment calculates the first uplink subframe number for reporting RI according to the opportunity for reporting RI and the opportunity for reporting CQI or PMI respectively
And CQI or PMI the second uplink subframe number is reported, wherein, the first sub-frame of uplink is used for user equipment to notifying on base station
Road quality indicator (CQI) or pre-coding matrix instruction PMI, the second sub-frame of uplink report precoding square for user equipment to base station
Rank of matrix RI, the second sub-frame of uplink are chosen from the hollow not busy sub-frame of uplink of 0-N subframe before the first sub-frame of uplink, and N is big
In the cycle for either reporting CQI or PMI to base station equal to default user equipment.
According to another aspect of the invention, there is provided a kind of distributor on transmission opportunity.
Included according to the distributor on the transmission opportunity of the present invention：First distribute module, for the use for base station to be accessed
The first idle sub-frame of uplink of family equipment distribution, wherein, the first sub-frame of uplink is used for user equipment to base station reporting channel quality
Indicate CQI or pre-coding matrix instruction PMI；Second distribute module, for the second up son for the user equipment distribution free time
Frame, wherein, the second sub-frame of uplink is used for user equipment and reports the order RI of pre-coding matrix to base station, and the second sub-frame of uplink is from the
Chosen before one sub-frame of uplink in the hollow not busy sub-frame of uplink of 0-N subframe, N is more than or equal to default user equipment to base
Station reports CQI or PMI cycle.
Preferably, said apparatus also includes：First determining module, for the position according to allocated first sub-frame of uplink
CQI either PMI cycle is reported to determine user equipment to report CQI or PMI opportunity to base station with default user equipment.
Preferably, said apparatus also includes：Second determining module, for the position according to allocated second sub-frame of uplink
RI cycle is reported to determine user equipment to report RI opportunity to base station with default user equipment.
Preferably, said apparatus also includes：Computing module, for according to after determination report RI opportunity and report CQI
Either PMI opportunity calculates the first uplink subframe number for reporting RI and the second sub-frame of uplink for reporting CQI or PMI respectively
Number；Receiving module, for receiving user equipment respectively according to the first uplink subframe number and the second uplink subframe number that calculate
The RI and CQI or PMI of report.
In accordance with a further aspect of the present invention, there is provided a kind of computing device of uplink subframe number.
Included according to the computing device of the uplink subframe number of the present invention：Receiving module, come from matching somebody with somebody for base station for receiving
Put message, wherein, configure message in carry determine after user equipment to report RI opportunity and user equipment to report CQI or
PMI opportunity；Computing module, for according to after determination report RI opportunity and report CQI or PMI opportunity to calculate respectively
Go out to report RI the first uplink subframe number and report CQI or PMI the second uplink subframe number, wherein, the first sub-frame of uplink
Indicate that CQI or pre-coding matrix instruction PMI, the second sub-frame of uplink are used to base station reporting channel quality for user equipment
Family equipment reports the order RI of pre-coding matrix to base station, and the second sub-frame of uplink is hollow from 0-N subframe before the first sub-frame of uplink
Chosen in not busy sub-frame of uplink, N is more than or equal to the cycle that default user equipment reports CQI or PMI to base station.
By the present invention, use base station for the user equipment distribution of base station to be accessed it is idle from user equipment to base station on
CQI or PMI the first sub-frame of uplink is reported, is chosen from the hollow not busy sub-frame of uplink of 0-N subframe before the first sub-frame of uplink
Two sub-frame of uplink, RI is reported to base station for user equipment, wherein, N be more than or equal to user equipment to base station report CQI or
In person PMI cycle, solve in correlation technique and to distribute the span of sub-frame of uplink for RI to easily cause part corresponding to RI up
The problem of waste of sub-frame resources, and then improve resource utilization, uplink throughput and the user satisfaction of system
Effect.
Brief description of the drawings
Accompanying drawing described herein is used for providing a further understanding of the present invention, forms the part of the application, this hair
Bright schematic description and description is used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the RI sub-frame configurations according to correlation technique and CQI/PMI sub-frame configurations；
Fig. 2 is the TDD sub-frame configurations 0, N according to correlation techniquep=10, MRIThe signal of=2 CQI/PMI, RI resource allocation
Figure；
Fig. 3 is the flow chart of the distribution method on transmission opportunity according to embodiments of the present invention；
Fig. 4 is according to the preferred embodiment of the invention in TDD sub-frame configurations 0, Np=10, MRI=2 CQI/PMI, RI resource
The flow chart of configuration；
Fig. 5 is the condition according to the preferred embodiment of the invention based on Fig. 4, and second UE accesses eNB chooses CQI/PMI,
The flow chart on RI transmission opportunity；
Fig. 6 is TDD sub-frame configurations 0, N according to the preferred embodiment of the inventionp=10, MRIThe schematic diagram of=2 resource allocation；
Fig. 7 is the schematic diagram of system resource allocation under TDD Typical Dispositions according to the preferred embodiment of the invention；
Fig. 8 is the flow chart of the computational methods of uplink subframe number according to embodiments of the present invention；
Fig. 9 is the structured flowchart of the distributor on transmission opportunity according to embodiments of the present invention；
Figure 10 is the structured flowchart of the distributor on transmission opportunity according to the preferred embodiment of the invention；And
Figure 11 is the structured flowchart of the computing device of uplink subframe number according to embodiments of the present invention.
Embodiment
Describe the present invention in detail below with reference to accompanying drawing and in conjunction with the embodiments.It should be noted that do not conflicting
In the case of, the feature in embodiment and embodiment in the application can be mutually combined.
Fig. 3 is the flow chart of the distribution method on transmission opportunity according to embodiments of the present invention.As shown in figure 3, this method can
With including following processing step：
Step S302：Base station is the first idle sub-frame of uplink of the user equipment distribution of base station to be accessed, wherein, on first
Row subframe is used for user equipment and indicates CQI or pre-coding matrix instruction PMI to base station reporting channel quality；
Step S304：Base station is the second idle sub-frame of uplink of user equipment distribution, wherein, the second sub-frame of uplink is used
Family equipment reports the order RI of pre-coding matrix to base station, and the second sub-frame of uplink is hollow from 0-N subframe before the first sub-frame of uplink
Chosen in not busy sub-frame of uplink, N is more than or equal to the cycle that default user equipment reports CQI or PMI to base station.
In correlation technique, the span that sub-frame of uplink is distributed for RI easily causes sub-frame of uplink resource in part corresponding to RI
Waste.Using method as shown in Figure 3, base station for base station to be accessed user equipment distribution it is idle from user equipment to base station
CQI or PMI the first sub-frame of uplink is reported, is chosen from the hollow not busy sub-frame of uplink of 0-N subframe before the first sub-frame of uplink
Second sub-frame of uplink, RI is reported to base station for user equipment, wherein, N reports CQI more than or equal to user equipment to base station
Or PMI cycle, i.e., it is that the span that RI distributes idle sub-frame of uplink is first N in the RI cycles in correlation techniqueP
CQI/PMI sub-frame of uplink before [0, NP- 1] individual subframe, and technical scheme provided by the invention is used, maximum desirable RI
Value is greater than or equal to NP, solve in correlation technique and easily cause portion corresponding to RI for the span of RI distribution sub-frame of uplink
The problem of waste of point sub-frame of uplink resource, and then improve resource utilization, uplink throughput and the user of system
The effect of satisfaction.
Preferably, can be selected using equation below from the hollow not busy sub-frame of uplink of 0-N subframe before the first sub-frame of uplink
Take the second sub-frame of uplink：
Wherein, nfRepresent System Frame Number, nsRepresent timeslot number, NOFFSET,CQICQI or PMI transmission occasion offset is represented,
NPRepresent that user equipment reports CQI or PMI cycle, M to base stationRIIt is use to represent that user equipment reports RI cycle to base station
Family equipment reports the multiple in CQI or PMI cycle, N to base stationOFFSET,MRISpan be 0 to MRI-1。
During being preferable to carry out, increase in periodic report channel quality indicator (CQI)-ReportPeriodic cells
RI-MriIndex cells, wherein, RI-MriIndex cells are used for the selection range for being adjusted to RI distribution sub-frame of uplink, RI-
MriIndex span is 0 to MRI-1。
In a preferred embodiment, the ri- of extension is increased in the CQI-ReportPeriodic cells of 36.331 agreements
MriIndex cells, it is specific as follows：
Wherein, ri-MriIndex span is [0, MRI- 1], the opportunity that UE selects when sending RI is represented.Due to
Extension is increased newly, the value that ri-MriIndex is given tacit consent to when not carrying this extension is 0, then the agreement of correlation technique
The formula of time signal machine is transformed to formula three by formula two above on RI described in 36.213：
（Formula three）
N in above-mentioned formula threeOFFSET,MRIAs ri-MriIndex, then NOFFSET,MRI·NPMultiply equal to ri-MriIndex
CQI or PMI cycle are reported to base station with user equipment.Therefore, UE calculate CQI/PMI, RI transmission opportunity when, it is necessary to
Calculated by formula three, and no longer use the formula two in correlation technique.Similarly, eNB wait UE to be received CQI/PMI,
The selection of the upper time signal machines of RI will also use formula three.
It should be noted that as ri-MriIndex=0, formula three is of equal value with formula two.
Preferably, in step S302, base station is that user equipment is distributed after the first sub-frame of uplink, can also include following step
Suddenly：
Step S1：Base station according to the position of allocated first sub-frame of uplink and user equipment to base station report CQI or
PMI cycle determines user equipment to report CQI or PMI opportunity.
Preferably, in step S304, base station is that user equipment is distributed after the second sub-frame of uplink, can also include following place
Reason：
Step S2：Base station reports RI cycle according to the position and user equipment of allocated second sub-frame of uplink to base station
Determine user equipment to report RI opportunity.
In a preferred embodiment, Fig. 4 is according to the preferred embodiment of the invention in TDD sub-frame configurations 0, Np=10, MRI=2
The flow chart of CQI/PMI, RI resource distribution.As shown in figure 4, when cell is successfully established, and UE accesses eNB, eNB chooses CQI/
PMI, RI transmission opportunity can include following processing step：
Step S402：In available free sub-frame of uplink, such as：（1,2,3）In for CQI find a subframe because this
It is the first sub-distribution, it is possible to any one subframe distributed in 1,2,3.In the preferred embodiment, it is assumed that CQI is from backward
Preceding distribution, its allocation result are subframe 3；
Step S404：Table Table7.2.2-1C in agreement 36.213（Including：Base station allocated first is up
The position of subframe and user equipment set in advance report CQI or PMI cycle to base station）Calculate cqi-pmi-
ConfigIndex value is 10；
Step S406：In remaining available free sub-frame of uplink（1,2）In for RI find an idle subframe, can be with
The selection mode of use is diversified.In this preferred embodiment it is assumed that distribute from left to right, and because MRI=2, so
The RI that subframe 1 can at most distribute 2 UE above is reported.Assuming that now it is assigned with first UE position of subframe 1；
Step S408：Table Table 7.2.2-1B in agreement 36.213（Including：Base station allocated second is up
The position of subframe and user equipment set in advance report RI cycle to base station）The value for calculating ri-ConfigIndex is
163.Because now UE is first UE distributed in subframe 1, ri-MriIndex value is 0.
So far, it is for the CQI/PMI of first UE distribution, RI time-domain resource：cqi-pmi-ConfigIndex=10；
Ri-ConfigIndex=163, ri-MriIndex=0.
Preferably, in step S304, base station is that user equipment is distributed after the second sub-frame of uplink, can also include following step
Suddenly：
Step S5：Base station according to after determination report RI opportunity and report CQI or PMI opportunity to calculate respectively
Report RI the first uplink subframe number and report CQI or PMI the second uplink subframe number；
Step S6：Base station receives user equipment respectively according to the first uplink subframe number and the second uplink subframe number that calculate
The RI and CQI or PMI reported.
In a preferred embodiment, Fig. 5 is the condition according to the preferred embodiment of the invention based on Fig. 4, and second UE is accessed
ENB chooses CQI/PMI, the flow chart on RI transmission opportunity.As shown in figure 5, in TDD sub-frame configurations 0, Np=10, MRI=2 CQI/
PMI, RI resource distribution.When cell is successfully established, after having had a UE accesses eNB；Second UE accesses eNB chooses CQI/
PMI, RI transmission opportunity may comprise steps of：
Step S502：Continue the distribution method using the transmission opportunity in the preferred embodiment shown in Fig. 4, be second UE
Resource, as CQI/PMI distribution subframes 2 are distributed, RI distributes second RI resource of subframe 1；
It should be noted that when distributing RI resources for second UE, because first RI space in subframe 1 has been divided
First UE of dispensing, so what is distributed is second RI resource herein.
Step S504：According to step S502 allocation result, Table 7.2.2-1B in agreement 36.213,
Table 7.2.2-1C calculate cqi-pmi-ConfigIndex=9；ri-ConfigIndex=162；Meanwhile because it is subframe
Second RI resource, so ri-MriIndex=1；
Step S506：This configuration information is handed down to UE by eNB by RRC-RECONFIGURATION message；
Step S508：After UE receives eNB reallocation message by idle message, calculated according to formula one and formula three
Uplink subframe number is：CQI/PMI sends up report in sub-frame of uplink 2+10*n1 [n1=0,1023], and RI is in sub-frame of uplink 11
+ 20*n2 [n2=0,511] sends up report；
Step S510：ENB also uses the computing same with UE in step S508, draws the up transmission RI and CQI/PMI of UE
Opportunity be CQI/PMI at sub-frame of uplink 2+10*n1 [n1=0,1023], RI is at sub-frame of uplink 11+20*n2 [n2=0,511].
Above-mentioned opportunity waits and receives CQI/PMI and RI, is then handled accordingly.
In a preferred embodiment, Fig. 6 is TDD sub-frame configurations 0, N according to the preferred embodiment of the inventionp=10, MRI=2 money
The schematic diagram of source distribution.As shown in fig. 6, the value of first UE distribution is：ICQI/PMI=9, IRI=162, ri-MriIndex=0；The
The value of two UE distribution is：ICQI/PMI=10, IRI=163, ri-MriIndex=1；Can so solve the nothing shown in above-mentioned Fig. 2
Method is the problem of second UE carries out resource allocation, while can make full use of the PUCCH ascending resources of preciousness.
The above-mentioned process that is preferable to carry out is further described with reference to the preferred embodiment shown in Fig. 7.
Fig. 7 is the schematic diagram of system resource allocation under TDD Typical Dispositions according to the preferred embodiment of the invention.Such as Fig. 7 institutes
Show,PUCCH2RI subframes are represented,Represent using the PUCCH2CQI/PMI/ before technical scheme provided by the invention
RI subframes, PUSCH subframes are changed into using technical scheme provided by the invention afterwards,PUSCH subframes are represented,Represent
PUCCH2CQI/PMI subframes,Represent not use the idle subframe before technical scheme provided by the invention, using the present invention
It is changed into PUCCH2RI subframes after the technical scheme of offer,Representing still can not be by using technical scheme provided by the invention
The subframe utilized,Represent not use the idle subframe before technical scheme provided by the invention, use is provided by the invention
It is changed into PUCCH2 CQI/PMI subframes after technical scheme.
It is that 12, UE is reported according to subframe proportioning 2, code division number in the case where supporting 400UE according to TDD Typical Dispositions
The situation that CQI/PMI cycle is configured to 4 for 20ms, MRI is calculated.If not using technical scheme provided by the invention,
A width of 17 RB of the band for being allocated to PUCCH2 are needed, take the 17% of total bandwidth, the ratio obviously have compressed PUSCH resource space
Between., it is necessary to which the PUCCH2 of configuration bandwidth is only 11 after using technical scheme provided by the invention, 6 RB are reduced,
Equivalent to raising up-link capacity 6/83=7.2%.As can be seen here, compared with correlation technique, using technical scheme provided by the invention,
The occupancy of PUCCH2 resources can be effectively reduced, so as to improve the uplink throughput of system, improve user satisfaction.
Fig. 8 is the flow chart of the computational methods of uplink subframe number according to embodiments of the present invention.As shown in figure 8, this method
Following processing step can be included：
Step S802：User equipment receives the configuration message for coming from base station, wherein, carry user in configuration message and set
It is standby to report RI opportunity and user equipment to report CQI or PMI opportunity；
Step S804：User equipment is according to the opportunity for reporting RI and reports CQI or PMI opportunity to calculate respectively to report
RI the first uplink subframe number and the second uplink subframe number for reporting CQI or PMI, wherein, the first sub-frame of uplink is used
Family equipment indicates CQI or pre-coding matrix instruction PMI to base station reporting channel quality, and the second sub-frame of uplink is used for user equipment
Report the order RI of pre-coding matrix to base station, the second sub-frame of uplink is hollow not busy upper from 0-N subframe before the first sub-frame of uplink
Chosen in row subframe, N is more than or equal to the cycle that default user equipment reports CQI or PMI to base station.
Fig. 9 is the structured flowchart of the distributor on transmission opportunity according to embodiments of the present invention.As shown in figure 9, the transmission
The distributor on opportunity can include：First distribute module 100, idle for the user equipment distribution for base station to be accessed the
One sub-frame of uplink, wherein, first sub-frame of uplink is used for user equipment and indicates CQI or precoding to base station reporting channel quality
Matrix indicates PMI；Second distribute module 102, for the second sub-frame of uplink for the user equipment distribution free time, wherein, on second
Row subframe is used for the order RI that user equipment reports pre-coding matrix to base station, and the second sub-frame of uplink is from 0- before the first sub-frame of uplink
Chosen in N number of subframe in idle sub-frame of uplink, N be more than or equal to default user equipment to base station report CQI or
PMI cycle.
Using the device shown in Fig. 9, solve in correlation technique and easily cause RI for the span of RI distribution sub-frame of uplink
The problem of waste of corresponding part sub-frame of uplink resource, and then improve resource utilization, the uplink throughput of system
And the effect of user satisfaction.
Preferably, as shown in Figure 10, said apparatus can also include：First determining module 104, for according to allocated
The position of first sub-frame of uplink and user equipment to base station report CQI either PMI cycle determine user equipment to report CQI or
PMI opportunity.
Preferably, as shown in Figure 10, said apparatus can also include：Second determining module 106, for according to allocated
The position of second sub-frame of uplink and user equipment report RI cycle to determine user equipment to report RI opportunity to base station.
Preferably, as shown in Figure 10, said apparatus can also include：Computing module 108, for according to reporting after determination
RI opportunity and report CQI either PMI opportunity calculate the first uplink subframe number for reporting RI respectively and report CQI or
PMI the second uplink subframe number；Receiving module 110, for according to the first uplink subframe number and the second sub-frame of uplink calculated
The RI and CQI or PMI of user equipment to report are received number respectively.
Figure 11 is the structured flowchart of the computing device of uplink subframe number according to embodiments of the present invention.As shown in figure 11, should
The computing device of uplink subframe number can include：Receiving module 200, the configuration message of base station is come from for receiving, wherein, match somebody with somebody
Put and user equipment to report RI opportunity and user equipment to report CQI or PMI opportunity after determining are carried in message；Calculate
Module 202, for reporting RI's according to reporting RI opportunity and reporting CQI or PMI opportunity to calculate respectively after determination
First uplink subframe number and the second uplink subframe number for reporting CQI or PMI, wherein, the first sub-frame of uplink is set for user
Standby to indicate CQI or pre-coding matrix instruction PMI to base station reporting channel quality, the second sub-frame of uplink is used for user equipment to base
Station reports the order RI of pre-coding matrix, and the second sub-frame of uplink is from the hollow not busy up son of 0-N subframe before the first sub-frame of uplink
Chosen in frame, N is more than or equal to the cycle that default user equipment reports CQI or PMI to base station.
It should be noted that the preferred working method of the interphase interaction of modules shown in Fig. 9 and Figure 11 can join
See the embodiment shown in Fig. 3 to Fig. 8, here is omitted.
As can be seen from the above description, following technique effect is above embodiments enabled（It should be noted that these
Effect is the effect that some preferred embodiments can reach）：Resource utilization, uplink throughput and the user of raising system expire
Meaning degree.
Obviously, those skilled in the art should be understood that above-mentioned each module of the invention or each step can be with general
Computing device realize that they can be concentrated on single computing device, or be distributed in multiple computing devices and formed
Network on, alternatively, they can be realized with the program code that computing device can perform, it is thus possible to they are stored
Performed in the storage device by computing device, and in some cases, can be with different from shown in order execution herein
The step of going out or describing, they are either fabricated to each integrated circuit modules respectively or by multiple modules in them or
Step is fabricated to single integrated circuit module to realize.So, the present invention is not restricted to any specific hardware and software combination.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (12)
- A kind of 1. distribution method on transmission opportunity, it is characterised in that including：Base station is the first idle sub-frame of uplink of the user equipment distribution of the base station to be accessed, wherein, the first up son Frame is used for the user equipment and indicates CQI or pre-coding matrix instruction PMI to the base station reporting channel quality；The base station is the second idle sub-frame of uplink of user equipment distribution, wherein, second sub-frame of uplink is used for institute The order RI that user equipment reports pre-coding matrix to the base station is stated, second sub-frame of uplink is from first sub-frame of uplink Chosen in the preceding hollow not busy sub-frame of uplink of 0-N subframe, N is more than or equal to the default user equipment to the base station Report the CQI or the PMI cycle.
- 2. according to the method for claim 1, it is characterised in that using equation below from 0-N before first sub-frame of uplink Second sub-frame of uplink is chosen in the individual hollow not busy sub-frame of uplink of subframe：Wherein, nfRepresent System Frame Number, nsRepresent timeslot number, NOFFSET,CQIRepresent the CQI or the PMI transmission opportunity Skew, NPRepresent that the default user equipment reports the CQI or the PMI cycle, M to the base stationRIRepresent institute State user equipment reports the cycle of the RI to report the CQI to the base station for the default user equipment to the base station Or the multiple in the cycle of the PMI, NOFFSET,MRISpan be 0 to MRI- 1, NOFFSET,RIRepresent RI relative to CQI/ PMI sub-frame offset number, NOFFSET,MRIRepresent which CQI cycles within a RI cycle, NOFFSET,MRISpan be 0 to MRI-1。
- 3. according to the method for claim 2, it is characterised in that periodic report channel quality indicator (CQI)- Increase RI-MriIndex cells in ReportPeriodic cells, wherein, the RI-MriIndex cells are used to be adjusted to institute The selection range of RI distribution sub-frame of uplink is stated, the span of the RI-MriIndex is 0 to MRI-1。
- 4. according to the method in any one of claims 1 to 3, it is characterised in that in the base station be the user equipment Distribute after first sub-frame of uplink, in addition to：The base station is according to the position of allocated first sub-frame of uplink and the default user equipment to the base station The CQI either PMI cycle is reported to determine CQI or the PMI opportunity described in the user equipment to report.
- 5. according to the method for claim 4, it is characterised in that be user equipment distribution described second in the base station After sub-frame of uplink, in addition to：The base station is according to the position of allocated second sub-frame of uplink and the default user equipment to the base station The cycle of the RI is reported to determine the opportunity of RI described in the user equipment to report.
- 6. according to the method for claim 5, it is characterised in that be user equipment distribution described second in the base station After sub-frame of uplink, in addition to：The base station according to after determination report the RI opportunity and report the CQI or the PMI opportunity to count respectively Calculate second uplink subframe number for reporting the RI and the described first up son for reporting the CQI or PMI Frame number；First uplink subframe number and second uplink subframe number that the base station calculates according to receive institute respectively State the RI and the CQI of user equipment to report or the PMI.
- A kind of 7. computational methods of uplink subframe number, it is characterised in that including：User equipment receives the configuration message for coming from base station, wherein, carried in the configuration message on the user equipment Report RI opportunity and the opportunity of the user equipment to report CQI or PMI；The user equipment is according to the opportunity for reporting the RI and reports the CQI or the PMI opportunity to calculate respectively Report the second uplink subframe number of the RI and report the CQI or the PMI the first uplink subframe number, wherein, institute State the first sub-frame of uplink and be used for the user equipment to base station reporting channel quality instruction CQI or pre-coding matrix instruction PMI, second sub-frame of uplink are used for the order RI that the user equipment reports pre-coding matrix to the base station, on described second Row subframe is from being chosen before first sub-frame of uplink in the hollow not busy sub-frame of uplink of 0-N subframe, and N is more than or equal to pre- If the user equipment CQI or PMI cycle is reported to the base station.
- A kind of 8. distributor on transmission opportunity, it is characterised in thatFirst distribute module, first sub-frame of uplink idle for the user equipment distribution for base station to be accessed, wherein, described the One sub-frame of uplink is used for the user equipment and indicates CQI or pre-coding matrix instruction PMI to the base station reporting channel quality；Second distribute module, for the second sub-frame of uplink for the user equipment distribution free time, wherein, the second up son Frame is used for the order RI that the user equipment reports pre-coding matrix to the base station, and second sub-frame of uplink is from described first Chosen before sub-frame of uplink in the hollow not busy sub-frame of uplink of 0-N subframe, N be more than or equal to the default user equipment to The base station reports the CQI or the PMI cycle.
- 9. device according to claim 8, it is characterised in that described device also includes：First determining module, for the position according to allocated first sub-frame of uplink and the default user equipment to The base station reports the CQI either PMI cycle to determine CQI's described in the user equipment to report or PMI Opportunity.
- 10. device according to claim 9, it is characterised in that described device also includes：Second determining module, for the position according to allocated second sub-frame of uplink and the default user equipment to The base station reports the cycle of the RI to determine opportunity of RI described in the user equipment to report.
- 11. device according to claim 10, it is characterised in that described device also includes：Computing module, for according to reporting the opportunity of the RI and report the CQI or the PMI opportunity point after determination Do not calculate second uplink subframe number for reporting the RI and report the CQI or PMI described first on Row subframe numbers；Receiving module, first uplink subframe number and second uplink subframe number for being calculated according to connect respectively Receive the RI and the CQI of the user equipment to report or the PMI.
- A kind of 12. computing device of uplink subframe number, it is characterised in thatReceiving module, the configuration message of base station is come from for receiving, wherein, carry the use after determining in the configuration message Family equipment reports RI opportunity and the opportunity of the user equipment to report CQI or PMI；Computing module, for according to reporting the opportunity of the RI and report the CQI or the PMI opportunity point after determination The second uplink subframe number for reporting the RI is not calculated and reports the CQI or the PMI the first uplink subframe number, Wherein, first sub-frame of uplink is used for the user equipment to base station reporting channel quality instruction CQI or precoding Matrix indicates PMI, and second sub-frame of uplink is used for the order RI that the user equipment reports pre-coding matrix to the base station, institute State the second sub-frame of uplink be from being chosen before first sub-frame of uplink in the hollow not busy sub-frame of uplink of 0-N subframe, N be more than or Person is equal to the cycle that the default user equipment reports the CQI or the PMI to the base station.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210278660.7A CN103580798B (en) | 2012-08-07 | 2012-08-07 | The distribution on transmission opportunity, the computational methods of uplink subframe number and device |
| PCT/CN2013/081005 WO2014023232A1 (en) | 2012-08-07 | 2013-08-07 | Method and device for allocating transmission time and calculating uplink subframe number |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210278660.7A CN103580798B (en) | 2012-08-07 | 2012-08-07 | The distribution on transmission opportunity, the computational methods of uplink subframe number and device |
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| CN103580798A CN103580798A (en) | 2014-02-12 |
| CN103580798B true CN103580798B (en) | 2017-12-05 |
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| CN107371210A (en) * | 2016-05-13 | 2017-11-21 | 中兴通讯股份有限公司 | Switching method and device |
| CN111132325B (en) * | 2018-11-01 | 2023-08-04 | 北京小米松果电子有限公司 | Networking method based on subframe scheduling, storage medium, ad hoc network and nodes thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101715237A (en) * | 2009-11-05 | 2010-05-26 | 中兴通讯股份有限公司 | Uplink transmission method and device based on competition |
| WO2011129583A2 (en) * | 2010-04-12 | 2011-10-20 | 엘지전자 주식회사 | Method and device for efficient feedback in wireless communication system supporting multiple antennas |
| CN102263617A (en) * | 2010-05-31 | 2011-11-30 | 中兴通讯股份有限公司 | Method and device for transmitting uplink control information on physical uplink shared channel |
| CN102448113A (en) * | 2010-09-30 | 2012-05-09 | 中兴通讯股份有限公司 | Method and system for sending periodical channel state information |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US8045508B2 (en) * | 2008-02-14 | 2011-10-25 | Lg Electronics Inc. | Rank feedback method for multiple-input multiple-output transmission |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101715237A (en) * | 2009-11-05 | 2010-05-26 | 中兴通讯股份有限公司 | Uplink transmission method and device based on competition |
| WO2011129583A2 (en) * | 2010-04-12 | 2011-10-20 | 엘지전자 주식회사 | Method and device for efficient feedback in wireless communication system supporting multiple antennas |
| CN102263617A (en) * | 2010-05-31 | 2011-11-30 | 中兴通讯股份有限公司 | Method and device for transmitting uplink control information on physical uplink shared channel |
| CN102448113A (en) * | 2010-09-30 | 2012-05-09 | 中兴通讯股份有限公司 | Method and system for sending periodical channel state information |
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| CN103580798A (en) | 2014-02-12 |
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