CN102158884B - A kind of method and system of carrying out Physical Resource Block binding configuration - Google Patents
A kind of method and system of carrying out Physical Resource Block binding configuration Download PDFInfo
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- CN102158884B CN102158884B CN201010128826.8A CN201010128826A CN102158884B CN 102158884 B CN102158884 B CN 102158884B CN 201010128826 A CN201010128826 A CN 201010128826A CN 102158884 B CN102158884 B CN 102158884B
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Abstract
The invention discloses a kind of method and system of carrying out Physical Resource Block binding configuration, for long evolving system, subscriber equipment judges whether to carry out Resource Block binding; And in the time that needs carry out Resource Block binding, distribute type to determine in the Resource Block number of carrying out carrying out in demodulated reference signal channel estimation process Resource Block binding according to resource. The collocation method that adopts Physical Resource Block binding of the present invention, can conveniently complete the configuration of Physical Resource Block binding, improves the degree of accuracy of demodulated reference signal channel estimating.
Description
Technical field
The present invention relates to Long Term Evolution senior (LongTermEvolutionAdvanced, abbreviationLTE-Advanced) system, relates in particular to a kind of Physical Resource Block that carries out and binds the method for configuration and beSystem.
Background technology
In third generation partner program (3rdGenerationPartnershipProject is called for short 3GPP)Two kinds of pilot tones of LTE-Advanced system in LTE56 meeting, are defined: channel condition informationReference signal (ChannelStateInformation-ReferenceSignals is called for short CSI-RS) pilot toneAnd demodulated reference signal (DemodulationReferenceSignals is called for short DMRS) pilot tone. ItsIn, DMRS is for Physical Downlink Shared Channel Physical Downlink Shared Channel (PhysicalDownlinkSharedChannel, is called for short PDSCH) demodulation of data. The UMTS land wireless access of evolutionFrequency spectrum effect in (Evolved-UMTSTerrestrialRadioAccess is called for short E-UTRA) technologyRate requires as 30bps/Hz, multiple-input and multiple-output (Multiple-Input in LTE-A systemMultiple-Out-put, is called for short MIMO) data in precoding technique can reach this requirement. Peak valueSpectrum efficiency is calculated the expense that need to comprise all reference signals, control signal. This peaks spectrum efficiencyOnly in a TDM control character (OFDM symbolic number that Physical Downlink Control Channel takies of suppositionOrder), public reference signal (CommonReferenceSignal is called for short CRS) port andThe reference signal of the subscriber equipment (UE) in all MIMO technology takies the situation of 25 Resource UnitsJust can obtain down. It is exactly at a more than Resource Block that a kind of straightforward procedure addresses this problemWhile carrying out multiple layers of transmission on (ResourceBlock is called for short RB), limit dividing of time domain or frequency domainJoin granularity, bind (Bundling) by multiple Resource Block. Like this, multiple continuous resource pieceJoint channel estimation can improve DMRS channel estimation accuracy, and uses less expense. But existingHave and in technology, do not provide the allocation plan that Physical Resource Block binding is provided.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of method of carrying out Physical Resource Block binding configurationAnd system, the degree of accuracy that improves demodulated reference signal channel estimating.
In order to address the above problem, the invention provides a kind of side that carries out Physical Resource Block binding configurationMethod, for long evolving system, the method comprises: subscriber equipment judges whether to carry out Resource Block and ties upFixed; And in the time that needs carry out Resource Block binding, distribute type to determine according to resource and carrying out demodulation referenceIn signaling channel estimation procedure, carry out the Resource Block number of Resource Block binding.
Further, said method can also have following characteristics:
Described subscriber equipment judges whether that the mode that need to carry out Resource Block binding is: according to physical down controlResource Block binding control signal in channel processed knows whether carry out Resource Block binding, this Resource Block binding controlSignaling processed is carried out Resource Block binding or does not enter for what to carry the base station of evolution be described user device configurationThe instruction of row Resource Block binding.
Further, said method can also have following characteristics:
The mode that described subscriber equipment judges whether to carry out Resource Block binding is one in following modeKind: mode one, when described subscriber equipment judgement system is used extended cyclic prefix or general cyclic prefix,All carry out Resource Block binding; Mode two, described subscriber equipment judgement system is used the feelings of extended cyclic prefixUnder condition, carry out Resource Block binding; Judgement system is used in the situation of general cyclic prefix, does not carry out resourcePiece binding.
Further, said method can also have following characteristics:
When the mapping mode of the virtual resource block to physical resource block of the base station configuration of evolution is centralized, instituteStating the Resource Block number of binding when subscriber equipment carries out Resource Block binding is the money comprising in Resource Block groupSource piece number.
Further, said method can also have following characteristics:
When the mapping mode of the virtual resource block to physical resource block of the base station configuration of evolution is distributed, instituteStating the Resource Block number of binding when subscriber equipment carries out Resource Block binding is 1.
Further, said method can also have following characteristics:
The mapping mode of the virtual resource block to physical resource block of the base station configuration of evolution is centralized and dividesThe equal where applicable of cloth formula, the Resource Block number of binding when described subscriber equipment carries out Resource Block binding is 1.
Further, said method can also have following characteristics:
The mapping mode of the virtual resource block to physical resource block of the base station configuration of evolution is centralized and dividesCloth formula is all suitable for, and in Physical Downlink Control Channel, descending control information format is centralized virtual resourceWhen piece mapping mode, the Resource Block number of binding when described subscriber equipment carries out Resource Block binding is 2;When the downlink resource piece number of the base station assigns of described evolution is not 2 integral multiple, subscriber equipment is to finallyWhen a Resource Block is bound, the Resource Block number of binding is 1.
Further, said method can also have following characteristics:
The mapping mode of the virtual resource block to physical resource block of the base station configuration of evolution is centralized and dividesCloth formula is all suitable for, and in Physical Downlink Control Channel, descending control information format is centralized virtual resourcePiece mapping mode, and the Resource Block number of the base station assigns of evolution is the Resource Block comprising in Resource Block groupWhen the integral multiple of number, the Resource Block number of binding when described subscriber equipment carries out Resource Block binding is moneyThe Resource Block number comprising in the piece group of source; Otherwise described subscriber equipment carries out Resource Block when binding institute and bindsResource Block number be 1.
In order to solve upper technical problem, the present invention also provides a kind of Physical Resource Block binding configuration carried outSystem, comprises subscriber equipment; Described subscriber equipment, need to carry out Resource Block binding for judging whether;And in the time that needs carry out Resource Block binding, distribute type to determine according to resource and carrying out demodulated reference signalIn channel estimation process, carry out the Resource Block number of Resource Block binding.
Further, said system can also have following characteristics:
Described system also comprises the base station of evolution; The base station of described evolution, for utilizing physical down controlThe Resource Block binding control signal of channel indicates described subscriber equipment carry out Resource Block binding or do not provideSource piece binding; Described subscriber equipment, also controls for the Resource Block binding according to Physical Downlink Control ChannelSignaling processed knows whether carry out Resource Block binding.
Further, said system can also have following characteristics:
Described subscriber equipment, while also using extended cyclic prefix or general cyclic prefix for judgement system,All carry out Resource Block binding; Or; Judgement system is used in the situation of extended cyclic prefix, carries out resourcePiece binding, judgement system is used in the situation of general cyclic prefix, does not carry out Resource Block binding.
Further, said system can also have following characteristics:
Described subscriber equipment, the virtual resource block to physical resource block also configuring for the base station in evolutionWhen mapping mode is centralized, determine that the Resource Block number while carrying out Resource Block binding is to wrap in Resource Block groupThe Resource Block number containing.
Further, said system can also have following characteristics:
Described subscriber equipment, the virtual resource block to physical resource block also configuring for the base station in evolutionWhen mapping mode is distributed, determine that the Resource Block number while carrying out Resource Block binding is 1.
Further, said system can also have following characteristics:
Described subscriber equipment, the virtual resource block to physical resource block also configuring for the base station in evolutionMapping mode is centralized and distributed equal where applicable, determines the Resource Block number while carrying out Resource Block bindingBe 1.
Further, said system can also have following characteristics:
Described subscriber equipment, the virtual resource block to physical resource block also configuring for the base station in evolutionMapping mode is centralized and distributed all applicable, and Downlink Control Information in Physical Downlink Control ChannelWhen form is localized virtual resource block mapping mode, determine the Resource Block number while carrying out Resource Block bindingBe 2; In the time that the downlink resource piece number of the base station assigns of evolution is not 2 integral multiple, to lastWhen Resource Block is bound, the Resource Block number of binding is 1.
Further, said system can also have following characteristics:
Described subscriber equipment, the virtual resource block to physical resource block also configuring for the base station in evolutionMapping mode is centralized and distributed all applicable, and Downlink Control Information in Physical Downlink Control ChannelForm is localized virtual resource block mapping mode, and the Resource Block number of the base station assigns of evolution is moneyWhen the integral multiple of the Resource Block number comprising in the piece group of source, determine the Resource Block while carrying out Resource Block bindingNumber is the Resource Block number comprising in Resource Block group; Otherwise, determine the Resource Block while carrying out Resource Block bindingNumber is 1.
Adopt the collocation method of Physical Resource Block binding of the present invention, can conveniently complete Physical Resource Block bindingConfiguration, the degree of accuracy that improves demodulated reference signal channel estimating.
Brief description of the drawings
Fig. 1 is the method schematic diagram that carries out Physical Resource Block binding configuration.
Detailed description of the invention
DMRS channel estimating is carried out in multiple Resource Block bindings by subscriber equipment, can improve DMRS letterThe degree of accuracy that road is estimated. The invention provides concrete Resource Block binding allocation plan, and definite need bindingThe number of Resource Block.
The method of as shown in Figure 1, carrying out Physical Resource Block binding configuration comprises the following steps:
Step 101, subscriber equipment judges whether to carry out Resource Block binding.
Subscriber equipment can judge whether to carry out Resource Block according to the instruction of the base station of evolution (eNB)Binding. ENB can according to the configuration mode of Resource Block bindings carry out bindings enable make with non-Can, when eNB instruction, need eNB to increase extra signaling and indicate whether to carry out Resource Block binding configuration,For example, eNB carries resource in the Physical Downlink Control Channel (PDCCH) sending to subscriber equipmentPiece binding control signal (this control signal generally takies 1 bit) is used to indicate subscriber equipment and carries out resourcePiece is bound or is not carried out Resource Block binding, and for example, the value of this control signal is 1 o'clock, equipment for indicating userCarry out Resource Block binding, the value of this control signal is 0 o'clock, and equipment for indicating user does not carry out Resource Block binding.UE before instruction is controlled in double Resource Block binding of receiving eNB, maintains binding or does not bindOperation. This mode of indicating by eNB, is particularly useful for the slower situation of changes in channel characteristics.
Subscriber equipment can also judge whether to carry out Resource Block according to the Cyclic Prefix situation of system and tie upFixed. Can there be following two kinds of implementations: subscriber equipment judgement system is used extended cyclic prefix(ExtendedCP) or when general cyclic prefix (NormalCP), all carry out Resource Block binding. OrPerson, subscriber equipment judgement system is used in the situation of extended cyclic prefix, carries out Resource Block binding; JudgementSystem is used in the situation of general cyclic prefix, does not carry out Resource Block binding.
Step 102, when subscriber equipment judgement need to be carried out Resource Block binding, distributes type true according to resourceFix on the Resource Block number of carrying out carrying out in demodulated reference signal channel estimation process Resource Block binding.
When subscriber equipment judgement does not need to carry out Resource Block binding, carrying out demodulated reference signal channel estimatingIn process, do not carry out the binding of Resource Block.
Subscriber equipment is according to the Downlink Control Information (DownlinkControl in Physical Downlink Control ChannelInformation, be called for short DCI) in know resource distribute type.
Subscriber equipment can distribute type to adopt different Resource Block numbers to tie up based on different resourcesFixed. Concrete, subscriber equipment is determined and is being carried out demodulated reference signal channel estimating according to resource distribution typeIn process, carry out, in the process of Resource Block number of Resource Block binding, can comprising following several situation:
" 1 " the virtual resource when resource of the base station of evolution configuration distributes type to be type 0 (Type0)When piece (VRB) is centralized to the mapping mode of Physical Resource Block (PRB), subscriber equipment providesThe Resource Block number of binding when source piece is bound is the Resource Block number comprising in Resource Block group (RGB).
As shown in table 1, the available downlink resource piece number that system provides is NRB DL(descending by systemBandwidth is determined), and determine N therewithRB DLThe Resource Block number comprising in corresponding Resource Block group (RGB)Size, i.e. NRB DLThere is existing corresponding relation with Resource Block number in Resource Block group (RGB).
Table 1
| SystemBandwidth NRB DL | The number of the Resource Block that subscriber equipment is bound NBundlingRB0 |
| N1 | Size1 |
| N2 | Size2 |
| N3 | Size3 |
| N4 | Size4 |
| ... | ... |
| Nn | Sizen |
In table 1, the available downlink resource piece number that N1-Nn representative system provides,N1 < N2 < N3 < N4 < ... < Nn, Size1-Sizen comprises in corresponding Resource Block group (RGB)Resource Block number, and Size1 < Size2 < Size3 < Size4 < ... < Sizen.
In situation " 1 ", the Resource Block group that the Resource Block number that subscriber equipment is bound and system are definite(RGB) the Resource Block number comprising in is identical.
Be exemplified below:
As shown in table 2:
Table 2
| SystemBandwidth NRB DL | The number of the Resource Block that subscriber equipment is bound NBundlingRB0 |
| ≤10 | 1 |
| 11-26 | 2 |
| 27-63 | 3 |
| 64- 110 | 4 |
Subscriber equipment judges according to the signaling instruction of PDCCH the type that resource is distributed, and knows resource distributionWhen type is Type0, determine according to known system descending bandwidth the available descending money that system providesSource piece number, while determining binding Resource Block according to table 2, the number of Resource Block is carried out joint channel estimation.
" 2 " the virtual resource when resource of the base station of evolution configuration distributes type to be Class1 (Type1)1 when the mapping mode of block to physical resource block is distributed, the Resource Block number of subscriber equipment binding isNBundlingRB＝1。
" 3 " the virtual resource when resource of the base station of evolution configuration distributes type to be type 2 (Type2)The mapping mode of block to physical resource block is centralized and distributed equal where applicable, and subscriber equipment is boundResource Block number is 1 to be NBundlingRB＝1。
" 4 " the virtual resource when resource of the base station of evolution configuration distributes type to be type 2 (Type2)The mapping mode of block to physical resource block is centralized and distributed equal where applicable, and physical down controlDownlink Control Information in channel (PDCCH) (DownlinkControlInformation is called for short DCI)When form (comprising 1A, 1B and 1C) is localized virtual resource block mapping mode, subscriber equipment entersThe Resource Block number of binding when row binding is 2 NBundlingRB=2. The descending void of the base station assigns of evolutionIntend Resource Block number LCRBsL while not being 2 integral multipleCRBsMod2 ≠ 0 o'clock, subscriber equipment is to lastWhen individual Resource Block is bound, binding number is 1, and when other Resource Block is bound, binding number is 2.
" 5 " the virtual resource when resource of the base station of evolution configuration distributes type to be type 2 (Type2)The mapping mode of block to physical resource block is centralized and distributed equal where applicable, and physical down controlIn channel (PDCCH), Downlink Control Information (DCI) form (comprising 1A, 1B and 1C) is collectionChinese style virtual resource blocks mapping mode, and the descending virtual resource blocks number L of the base station assigns of evolutionCRBsL while being the integral multiple of the Resource Block number that comprises in Resource Block groupCRBsmodNBundlingRB0=0 o'clock, described inThe Resource Block number that subscriber equipment is bound is the Resource Block number comprising in Resource Block group; Otherwise, described inThe Resource Block number that subscriber equipment is bound is 1.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for thisThe technical staff in field, the present invention can have various modifications and variations. All in spirit of the present invention andWithin principle, any amendment of doing, be equal to replacement, improvement etc. and all should be included in protection model of the present inventionWithin enclosing.
Claims (14)
1. carry out a method for Physical Resource Block binding configuration, for long evolving system, its featureBe, described method comprises:
Subscriber equipment judges whether to carry out Resource Block binding according to the Cyclic Prefix situation of system; AndIn the time that needs carry out Resource Block binding, distribute type to determine according to resource and carrying out demodulated reference signal channelIn estimation procedure, carry out the Resource Block number of Resource Block binding;
Wherein distributing type to determine according to resource carries out in demodulated reference signal channel estimation process carrying outThe Resource Block number of Resource Block binding, specifically comprises:
Distribute type to adopt different Resource Block numbers to bind according to different resources.
2. the method for claim 1, is characterized in that,
Described subscriber equipment judges whether to carry out Resource Block binding according to the Cyclic Prefix situation of systemMode be the one in following mode:
Mode one, when described subscriber equipment judgement system is used extended cyclic prefix or general cyclic prefix,All carry out Resource Block binding;
Mode two, described subscriber equipment judgement system is used in the situation of extended cyclic prefix, carries out resourcePiece binding; Judgement system is used in the situation of general cyclic prefix, does not carry out Resource Block binding.
3. method as claimed in claim 1 or 2, is characterized in that,
When the mapping mode of the virtual resource block to physical resource block of evolution base station configuration is centralized, described inThe Resource Block number of binding when subscriber equipment carries out Resource Block binding is the resource comprising in Resource Block groupPiece number.
4. method as claimed in claim 1 or 2, is characterized in that,
When the mapping mode of the virtual resource block to physical resource block of evolution base station configuration is distributed, described inThe Resource Block number of binding when subscriber equipment carries out Resource Block binding is 1.
5. method as claimed in claim 1 or 2, is characterized in that,
The mapping mode of the virtual resource block to physical resource block of evolution base station configuration is centralized and distributesThe equal where applicable of formula, the Resource Block number of binding when described subscriber equipment carries out Resource Block binding is 1.
6. method as claimed in claim 1 or 2, is characterized in that,
The mapping mode of the virtual resource block to physical resource block of evolution base station configuration is centralized and distributesFormula is all suitable for, and in Physical Downlink Control Channel, descending control information format is localized virtual resource blockWhen mapping mode, the Resource Block number of binding when described subscriber equipment carries out Resource Block binding is 2; InstituteWhen to state downlink resource piece number that evolution base station distributes be not 2 integral multiple, subscriber equipment is to lastWhen Resource Block is bound, the Resource Block number of binding is 1.
7. method as claimed in claim 1 or 2, is characterized in that,
The mapping mode of the virtual resource block to physical resource block of evolution base station configuration is centralized and distributesFormula is all suitable for, and in Physical Downlink Control Channel, descending control information format is localized virtual resource blockMapping mode, and the Resource Block number that evolution base station distributes is the Resource Block number comprising in Resource Block groupIntegral multiple time, it is Resource Block that described subscriber equipment carries out the Resource Block number that Resource Block when binding bindsThe Resource Block number comprising in group; Otherwise, the money of binding when described subscriber equipment carries out Resource Block bindingSource piece number is 1.
8. a system of carrying out Physical Resource Block binding configuration, comprises subscriber equipment, it is characterized in that,
Described subscriber equipment, for judging whether to carry out Resource Block according to the Cyclic Prefix situation of systemBinding; And in the time that needs carry out Resource Block binding, distribute type to determine according to resource and carrying out demodulation ginsengExamine the Resource Block number of carrying out Resource Block binding in signaling channel estimation procedure;
Wherein distributing type to determine according to resource carries out in demodulated reference signal channel estimation process carrying outThe Resource Block number of Resource Block binding, specifically comprises:
Distribute type to adopt different Resource Block numbers to bind according to different resources.
9. system as claimed in claim 8, is characterized in that,
Described subscriber equipment, while also using extended cyclic prefix or general cyclic prefix for judgement system,All carry out Resource Block binding; Or; Judgement system is used in the situation of extended cyclic prefix, carries out resourcePiece binding, judgement system is used in the situation of general cyclic prefix, does not carry out Resource Block binding.
10. system as claimed in claim 8 or 9, is characterized in that,
Described subscriber equipment, also reflecting for the virtual resource block to physical resource block in evolution base station configurationWhen the mode of penetrating is centralized, determine that the Resource Block number while carrying out Resource Block binding is to comprise in Resource Block groupResource Block number.
11. systems as claimed in claim 8 or 9, is characterized in that,
Described subscriber equipment, also reflecting for the virtual resource block to physical resource block in evolution base station configurationWhen the mode of penetrating is distributed, determine that the Resource Block number while carrying out Resource Block binding is 1.
12. systems as claimed in claim 8 or 9, is characterized in that,
Described subscriber equipment, also reflecting for the virtual resource block to physical resource block in evolution base station configurationThe mode of penetrating is centralized and distributed equal where applicable, determines that the Resource Block number while carrying out Resource Block binding is1。
13. systems as claimed in claim 8 or 9, is characterized in that,
Described subscriber equipment, also reflecting for the virtual resource block to physical resource block in evolution base station configurationThe mode of penetrating is centralized and distributed all applicable, and Downlink Control Information lattice in Physical Downlink Control ChannelWhen formula is localized virtual resource block mapping mode, determine that the Resource Block number while carrying out Resource Block binding is2; In the time that the downlink resource piece number of evolution base station distribution is not 2 integral multiple, to last resourceWhen piece is bound, the Resource Block number of binding is 1.
14. systems as claimed in claim 8 or 9, is characterized in that,
Described subscriber equipment, also reflecting for the virtual resource block to physical resource block in evolution base station configurationThe mode of penetrating is centralized and distributed all applicable, and Downlink Control Information lattice in Physical Downlink Control ChannelFormula is localized virtual resource block mapping mode, and the Resource Block number that evolution base station distributes is Resource BlockWhen the integral multiple of the Resource Block number comprising in group, determine that the Resource Block number while carrying out Resource Block binding isThe Resource Block number comprising in Resource Block group; Otherwise, determine the Resource Block number while carrying out Resource Block bindingBe 1.
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| CN108279979A (en) * | 2018-01-19 | 2018-07-13 | 聚好看科技股份有限公司 | A kind of method and device for binding CPU for Application Container |
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| US9526091B2 (en) | 2012-03-16 | 2016-12-20 | Intel Corporation | Method and apparatus for coordination of self-optimization functions in a wireless network |
| CN103391617B (en) * | 2012-05-08 | 2015-10-28 | 普天信息技术研究院有限公司 | The E-PDCCH search volume defining method of UE |
| CN108605299B (en) * | 2015-12-25 | 2021-02-12 | 华为技术有限公司 | Method and device for determining CP value |
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| CN101505497A (en) * | 2008-02-04 | 2009-08-12 | 三星电子株式会社 | Method for allocating uplink ACK/NACK channel |
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| US10044532B2 (en) * | 2006-03-20 | 2018-08-07 | Texas Instruments Incorporated | Pre-coder selection based on resource block grouping |
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| CN101505497A (en) * | 2008-02-04 | 2009-08-12 | 三星电子株式会社 | Method for allocating uplink ACK/NACK channel |
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| CN108279979A (en) * | 2018-01-19 | 2018-07-13 | 聚好看科技股份有限公司 | A kind of method and device for binding CPU for Application Container |
| CN108279979B (en) * | 2018-01-19 | 2021-02-19 | 聚好看科技股份有限公司 | Method and device for binding CPU for application program container |
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