CN102958064B - In carrier aggregation system, reduce the method, system and device that disturb - Google Patents
In carrier aggregation system, reduce the method, system and device that disturb Download PDFInfo
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Abstract
The invention discloses in a kind of carrier aggregation system and reduce the method, system and device that disturb, the method comprises: the terminal coexistence demand information under base station configuration carrier aggregation mode; In system broadcast message, increase the demand field carried terminal demand information that coexists that coexists, broadcast described system broadcast message to all terminals; Or in carrier aggregation dedicated signaling, increase the demand field carried terminal demand information that coexists that coexists, and send carrier aggregation dedicated signaling to the terminal of carrier aggregation; So that carrier aggregation terminal according to the terminal coexistence demand information carrying in the described system broadcast message receiving or carrier aggregation dedicated signaling, is determined the actual emission power and/or the maximum up resource block number that uses that meet while coexisting demand. Realize simply and easily reduction or eliminated the interference between terminal in carrier aggregation system.
Description
Technical field
The present invention relates to wireless communication technology field, in espespecially a kind of carrier aggregation system, reduce the side disturbingMethod, system and device.
Background technology
2.6GHz is the important frequency range that Long Term Evolution (LongTermEvolution, LTE) system is disposed,As shown in Figure 1, the main flow programme of 3GPP is that 2500-2570MHz/2620-2690MHz is plannedGive FDD (FrequencyDivisionDuplexing, FDD) system, frequency range is numbered Band7,2570-2620MHz is planned to time division duplex (TimeDivisionDuplexing, TDD) system, frequentlySegment number is Band38.
As shown in Figure 1, when FDD system and TDD coexistence of systems, when base station next-door neighbour arranges, may existInterference type comprise: between FDD base station (BS) and TDD base station (BS), FDD terminal (UE)And between TDD terminal (UE), between FDD base station and TDD terminal, FDD terminal and TDD baseInterference between standing; Find by analytical test, general disturb can be between FDD base station and TDD base station,Between FDD terminal and TDD terminal, produce.
For the interference between base station, conventionally adopt reserved boundary belt and/or site engineering to solve, for endInterference between end, the existing Rel-8/Rel-9 system that does not adopt carrier aggregation technology, due to the bandwidth of supportingSmaller, generally can support the bandwidth of 5MHz, 10MHz, 15MHz and 20MHz, by arrangingRational band stray index and intermediate zone generally just can reach coexisting of elimination interference and require.
And for the Rel-10 system of introducing after carrier aggregation, because the bandwidth of its support will exceed 20MHz,For Band7 or Band38, the aggregate bandwidth of support may be 20MHz+5MHz,20MHz+10MHz, 20MHz+15MHz or 20MHz+20MHz. Owing to supporting wider emission bandWide, attenuation outside a channel will be more slow, and the existing interference elimination method for non-carrier aggregation system, cannotThe realization of eliminating for the interference of carrier aggregation system.
In prior art, also there is no well to solve the scheme of the interference between terminal in carrier aggregation system.
Summary of the invention
The embodiment of the present invention provides in a kind of carrier aggregation system and reduces the method, system and device that disturb, and usesTo solve the problem of disturbing between terminal in carrier aggregation system of eliminating.
In carrier aggregation system, reduce a method of disturbing, comprising:
Terminal coexistence demand information under base station configuration carrier aggregation mode;
In system broadcast message, increase the demand field carried terminal demand information that coexists that coexists, to all terminalsBroadcast described system broadcast message; Or in carrier aggregation dedicated signaling, increase the demand field carried terminal that coexistsThe demand information that coexists, and send carrier aggregation dedicated signaling to the terminal of carrier aggregation; So that carrier aggregation eventuallyEnd is according to the terminal coexistence need that carry in the described system broadcast message receiving or carrier aggregation dedicated signalingAsk information, determine the actual emission power and/or the maximum up number of resource blocks that uses that meet while coexisting demandOrder.
In carrier aggregation system, reduce a method of disturbing, comprising:
Carrier aggregation terminal receives the system broadcast message of base station broadcast or receives the carrier aggregation that base station sendsDedicated signaling; In described system broadcast message or described carrier aggregation dedicated signaling, carry the carrier wave of base station configurationTerminal coexistence demand information under aggregation scheme;
Carrier aggregation terminal is according to taking in the described system broadcast message receiving or carrier aggregation dedicated signalingThe terminal coexistence demand information of band, determine the actual emission power that meets while coexisting demand and/or maximum up canUse resource block number.
A kind of base station, comprising:
Configuration module, for configuring the terminal coexistence demand information under carrier aggregation mode;
Instruction generation module, coexists and needs for the demand field carried terminal that coexists in system broadcast message increaseAsk information or in carrier aggregation dedicated signaling, increase the demand field carried terminal demand information that coexists that coexists;
Instruction sending module, for broadcasting described system broadcast message or the end to carrier aggregation to all terminalsEnd sends carrier aggregation dedicated signaling, so that carrier aggregation terminal is according to the described system broadcast message receivingOr the terminal coexistence demand information carrying in carrier aggregation dedicated signaling, determine the reality meeting while coexisting demandTransmitting power and/or the maximum up resource block number that uses.
A kind of carrier aggregation terminal, comprising:
Signaling receiver module, for receiving the system broadcast message of base station broadcast or receiving the carrier wave that base station sendsPolymerization dedicated signaling; In described system broadcast message or described carrier aggregation dedicated signaling, carry base station configurationTerminal coexistence demand information under carrier aggregation mode;
Disturb processing module, the described system broadcast message or the carrier aggregation dedicated signaling that receive for basisIn the terminal coexistence demand information that carries, determine on the actual emission power and/or maximum meeting while coexisting demandRow can use resource block number.
In carrier aggregation system, reduce a system of disturbing, comprise above-mentioned base station and above-mentioned carrier aggregationTerminal.
Beneficial effect of the present invention is as follows:
In the carrier aggregation system that the embodiment of the present invention provides reduce disturb method, system and device method andDevice, configures the terminal coexistence demand information under carrier aggregation mode by base station; In system broadcast messageIncrease the demand field carried terminal demand information that coexists that coexists, broadcast described system broadcasts to all terminals and disappearBreath; Or in carrier aggregation dedicated signaling, increase the demand field carried terminal demand information that coexists that coexists, and toThe terminal of carrier aggregation sends carrier aggregation dedicated signaling; So that carrier aggregation terminal according to receive described inThe terminal coexistence demand information carrying in system broadcast message or carrier aggregation dedicated signaling and/or maximum upCan use resource block number, determine the actual emission power meeting while coexisting demand. The method is wide by systemBroadcast message or dedicated signaling carry the special terminal coexistence demand information in carrier aggregation system, can not affectThe normal work of the terminal in non-carrier aggregation system, can realize the end of eliminating in carrier aggregation system simultaneouslyInterference between end.
Brief description of the drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, forms one of the present inventionPoint, schematic description and description of the present invention is used for explaining the present invention, does not form of the present inventionWork as restriction. In the accompanying drawings:
Fig. 1 is system architecture and the interference type schematic diagram of FDD and TDD coexistence of systems in prior art;
Fig. 2 reduces the method flow diagram one disturbing in carrier aggregation system in the embodiment of the present invention;
Fig. 3 is the principle schematic of the up protection of TDD terminal in the embodiment of the present invention;
Fig. 4 reduces the method flow diagram two disturbing in carrier aggregation system in the embodiment of the present invention;
Fig. 5 reduces the system architecture schematic diagram disturbing in carrier aggregation system in the embodiment of the present invention;
Fig. 6 is the structural representation of carrier aggregation base station in the embodiment of the present invention;
Fig. 7 is the structural representation of carrier aggregation terminal in the embodiment of the present invention.
Detailed description of the invention
In order to make technical problem to be solved by this invention, technical scheme and beneficial effect clearer, clear,Below in conjunction with drawings and Examples, the present invention is further elaborated. Should be appreciated that this place retouchesThe specific embodiment of stating only, in order to explain the present invention, is not intended to limit the present invention.
In carrier aggregation system, eliminate the interference between terminal, consider cost and the volume restrictions of terminal,The Out-of-band rejection of radio-frequency filter or duplexer is limited in one's ability, can adopt transmitting in the band that reduces next-door neighbour's frequency rangePower is realized the required band attenuation requirement that coexists outward.
In existing Rel-8/rel-9 system, owing to not needing rollback can meet coexistence of systems requirement, butIn Rel-10, introduce carrier aggregation function, support, after larger transmitted bandwidth, need to carry out back-off abilityMeet coexistence of systems index request. Because terminal is mobile, differ to management expectancy in country variant or areaCause, need define grid signaling to indicate specific terminal coexistence demand. Therefore, need to be poly-for Rel-10 carrier waveThe Band7 closing or the corresponding signaling that coexists of Band38 definition.
Based on this, the embodiment of the present invention provides a kind of method that reduces interference in carrier aggregation system, the methodFlow process as shown in Figure 2, comprises the steps:
Step S11: the terminal coexistence demand information under base station configuration carrier aggregation mode.
Extra its demand of terminal coexistence when configuring carrier aggregation, base station need to ask that first to configure carrier wave poly-Terminal coexistence demand information under syntype. General base station determines whether to want according to the residing mode of operation of terminalTerminal coexistence demand information under configuration carrier aggregation mode, concrete, base station judges whether terminal is operated inUnder carrier aggregation mode, and whether the frequency range supported of terminal needs the configurating terminal demand information that coexists. WhenTerminal works, under carrier aggregation mode and when the frequency range of supporting needs configurating terminal to coexist demand information, is joinedPut terminal coexistence demand information. The frequency range that the frequency range that general terminal is supported is supported with base station is identical.
In above-mentioned steps S11, terminal coexistence demand information when base station configuration carrier aggregation, comprises following joiningPut one of mode or combination:
(a1) transmitted bandwidth of carrier aggregation terminal and the first corresponding relation of back-off value are determined in base station,Using the first corresponding relation as the demand information that coexists. This configuration mode by carrier aggregation terminal according to emission bandThe rollback performance number of wide definite carrier aggregation terminal.
(b1) transmitted bandwidth of carrier aggregation terminal, the actual resource block size taking and power are determined in base stationThe second corresponding relation of rollback value, using the second corresponding relation as the demand information that coexists. This mode is by carrier wavePolymerization terminal is determined back-off value jointly according to transmitted bandwidth and the actual resource block size taking.
(c1) transmitted bandwidth of carrier aggregation terminal, the actual resource block size taking, reality are determined in base stationThe 3rd corresponding relation of the resource block location taking and back-off value, using described the 3rd corresponding relation as being total toDeposit demand information.
When carrier aggregation terminal adjacent frequency coexistence, back-off is also relevant with the particular location of operating frequency, evenTransmitted bandwidth size is identical, takies resource block size identical, owing to taking the position difference of Resource Block, correspondenceBack-off may also have difference. For example, at the Resource Block at center, and take the money that is close to the system of being injuredSource piece requires may be just not identical.
(d1) transmitted bandwidth and the maximum up number of resource blocks object that uses of carrier aggregation terminal determined in base stationThe 4th corresponding relation, using the 4th corresponding relation as the demand information that coexists.
Except restriction maximum transmission power, also possibility while or the separately up available frequency of maximum of limiting terminalThe number of rate Resource Block
(e1) back-off of carrier aggregation terminal, according to the transmitted bandwidth of carrier aggregation terminal, is determined in base stationValue, encodes back-off value or performance number corresponding to back-off value as the demand information that coexists.
This configuration mode is determined the back-off value of carrier aggregation terminal according to transmitted bandwidth by base station, directlyInstruction is to carrier aggregation terminal; Or each back-off value is arranged to a corresponding performance number coding, and willThe corresponding relation of performance number coding and back-off value is shared in terminal and both sides, base station, and base station is by performance numberCoding sends to terminal.
(f1) base station, according to the transmitted bandwidth of carrier aggregation terminal and the actual resource block size taking, is determinedThe back-off value of carrier aggregation terminal, makes back-off value or performance number coding corresponding to back-off valueFor the demand information that coexists.
This configuration mode determines that according to transmitted bandwidth and the actual resource block size taking carrier wave is poly-by base stationClose the back-off value of terminal, instruction is to carrier aggregation terminal; Or to each back-off value arrange one rightThe performance number coding of answering, and by the corresponding relation of performance number coding and back-off value in terminal and both sides, base stationShare, performance number coding is sent to terminal by base station.
(g1) base station is according to the transmitted bandwidth of carrier aggregation terminal, the actual resource block size taking and realityThe resource block location taking, determines the back-off value of carrier aggregation terminal, and back-off value or power are returnedPerformance number corresponding to the value of moving back encoded as coexisting demand information;
(h1) the maximum up number of resources that uses, according to the transmitted bandwidth of carrier aggregation terminal, is determined in base station,Can use number of resources or maximum can use number coding corresponding to number of resources as the demand of coexisting maximumInformation.
Step S12: base station by system broadcast message or carrier aggregation dedicated signaling under carrier aggregation terminalSend out the demand information that coexists, the mode issuing comprises:
(1) in system broadcast message, increase the demand field carried terminal demand information that coexists that coexists, to instituteThere is terminal broadcast system broadcast.
Specifically can be in host system message block (MasterInformationBlock, MIB) or system informationIn the system information block type field of piece (SystemInformationBlock, SIB), increase the demand letter that coexistsBreath field, the carried terminal demand information that coexists.
For example, the FDD of the TDD terminal protection Band7 of Band38 (frequency range 38) is eventually when carrier aggregationWhen end, a certain type (SystemInformationBlock of system information block that can be in MIB or SIBTypex) in field, define the extra carrier polymerization demand information unit (AdditionalCarrier that coexistsAggregationCoexistenceRequirementsInformationElement), the demand information word that coexistsSection, the concrete form of the demand information field that coexists in system broadcast message MIB or SIB is as 1 of following tableShow:
Table 1
In system broadcast message, increase the demand that coexists of the terminal coexistence demand information while carrying carrier aggregationField, this field is for carrier aggregation terminal, even if non-carrier aggregation terminal receives system broadcast message alsoCan not resolve this field. And do not need to utilize defined field in existing system broadcast, therefore notCan cause non-carrier aggregation terminal to receive after system broadcast message, can not identify the problem with parse error.Be that base station is the terminal coexistence demand information that terminal configuration is applicable to Rel-10 system, Rel8/Rel9 systemWhen terminal receives this carried terminal and coexists the system broadcast information of demand information, can not resolve carried terminalThe relevant field of demand information coexists.
(2) in carrier aggregation dedicated signaling, increase the demand field carried terminal demand information that coexists that coexists,And send carrier aggregation dedicated signaling to the terminal of carrier aggregation.
Specifically can in special physical layer configurations information, increase the demand information field carried terminal that coexists coexistsDemand information. In dedicated signaling, add an information unit (IE), coexisting when indication carrier wave polymerizationRequirement, for example, one of definition in special physical layer configurations information (PhysicalConfigDedicated)IE, i.e. the extra carrier polymerization demand (AdditionalCarrierAggregationCoexistence that coexistsRequirements) the terminal coexistence demand information while carrying out indication carrier wave polymerization, special physical layer configurations informationIn to carry the concrete form of the demand information field that coexists as shown in table 2 below:
Table 2
Coexisting of terminal coexistence demand information when carrier aggregation is carried in increase in carrier aggregation dedicated signalingDemand field, this dedicated signaling only has carrier aggregation terminal to receive and to resolve, and non-carrier aggregation terminal is notReceive. Which does not need to utilize defined field in existing system broadcast yet, therefore can not causeNon-carrier aggregation terminal receives after system broadcast message, can not identify the problem with parse error.
Step S13: carrier aggregation terminal is according to the system broadcast message or the carrier aggregation dedicated signaling that receiveIn the terminal coexistence demand information that carries, determine on the actual emission power and/or maximum meeting while coexisting demandRow can use resource block number.
Support the terminal of carrier aggregation to receive after the terminal coexistence demand information that base station issues, according to terminal altogetherDeposit the particular content of demand information, the reality of the terminal of definite support carrier aggregation under carrier aggregation scene is sent outPenetrate power. By changing the value of terminal transmit power, realize the protection to the carrier aggregation terminal that coexists, avoidThe carrier aggregation terminal of interference co-existence.
Said method, by increasing the demand that coexists in system broadcast message or in carrier aggregation dedicated signalingField, extra terminal coexistence demand information when instruction TDD terminal and FDD terminal coexistence, both can prop upHold under non-carrier aggregation scene, when TDD terminal and FDD terminal coexistence, do not need corresponding back-offSituation; Also be applicable under carrier aggregation scene, when TDD terminal and FDD terminal coexistence, need meritThe actual demand of rate rollback. Wherein, when the terminal in Rel-8, Rel-9 system receives system broadcast message,Not can to increase carry carrier aggregation time the demand that the coexists field of terminal coexistence demand information resolve,And the terminal in Rel-8, Rel-9 system does not receive carrier aggregation dedicated signaling; Therefore, there will not beTerminal in Rel-8, Rel-9 system from the defined field of existing network signaling, parse unknown message andThe abnormal behaviour causing.
In the above-mentioned carrier aggregation system that the embodiment of the present invention provides, reduce the method for disturbing, in carrier aggregation eventuallyDistolateral realization flow as shown in Figure 4, comprises the steps:
Step S21: the system broadcast message of carrier aggregation terminal reception base station broadcast or reception base station sendCarrier aggregation dedicated signaling.
In the system broadcast message receiving or carrier aggregation dedicated signaling, carry the carrier aggregation of base station configurationTerminal coexistence demand information under pattern, specifically referring to step S11 and step S12.
Step S22: carrier aggregation terminal is according to the system broadcast message or the carrier aggregation dedicated signaling that receiveIn the terminal coexistence demand information that carries, determine on the actual emission power and/or maximum meeting while coexisting demandRow can use resource block number.
In the system broadcast message that carrier aggregation terminal basis receives or carrier aggregation dedicated signaling, carryTerminal coexistence demand information, determines back-off value, determines the actual transmission merit of self according to back-off valueRate. And/or carrier aggregation terminal is according to carrying in the system broadcast message receiving or carrier aggregation dedicated signalingTerminal coexistence demand information, determine the maximum up resource block number that uses.
Corresponding to coexist several implementations of demand information of base station configurating terminal in step S11, adopt respectivelyOne of following manner or combination are determined back-off value according to the demand information that coexists:
(a2) carrier aggregation terminal receives the end of carrying in system broadcast message or carrier aggregation dedicated signalingWhile holding the demand information that coexists to be the first corresponding relation of transmitted bandwidth and back-off value, according to the first corresponding closingSystem and the actual transmission bandwidth of self, determine back-off value.
The mode (a1) of which based in step S11 realizes, and carried out according to first by carrier aggregation terminalCorresponding relation and the actual transmission bandwidth of self are determined back-off value.
(b2) carrier aggregation terminal receives the end of carrying in system broadcast message or carrier aggregation dedicated signalingEnd second corresponding that demand information is transmitted bandwidth, the actual resource block size taking with back-off value that coexistWhile relation, large according to described the second corresponding relation, the actual transmission bandwidth of self and the actual Resource Block takingLittle, determine back-off value.
The mode (b1) of which based in step S11 realizes, and carried out according to second by carrier aggregation terminalCorresponding relation, the actual transmission bandwidth of self and the actual resource block size taking are determined back-off value.
(c2) carrier aggregation terminal receives the end of carrying in system broadcast message or carrier aggregation dedicated signalingHolding the demand information that coexists is transmitted bandwidth, the actual resource block size taking, the actual resource block location takingDuring with the 3rd corresponding relation of back-off value, according to the 3rd corresponding relation, the actual transmission bandwidth of self andThe actual resource block size taking and position, determine back-off value.
The mode (c1) of which based in step S11 realizes, and carried out according to the 3rd by carrier aggregation terminalCorresponding relation, the actual transmission bandwidth of self, the actual resource block size taking and location positioning back-offValue.
(d2) carrier aggregation terminal receives the end of carrying in system broadcast message or carrier aggregation dedicated signalingWhile holding the demand information that coexists to be back-off value, parse described back-off value.
The mode (e1) of which based in step S11, (f1) and (g1) in direct transmitted power rollbackThe mode of value realizes, and carrier aggregation terminal only needs received power rollback value, then directly uses.
(e2) carrier aggregation terminal receives the end of carrying in system broadcast message or carrier aggregation dedicated signalingEnd coexists demand information while being performance number corresponding to back-off value coding, the performance number coding of searching storage withThe corresponding relation of back-off value, determines described back-off value.
The mode (e1) of which based in step S11, (f1) and (g1) in transmitted power rollback value pairThe mode of the performance number coding of answering realizes, and after carrier aggregation terminal received power value coding, inquiry obtains correspondenceBack-off value.
Corresponding to coexist several implementations of demand information of base station configurating terminal in step S11, adopt respectivelyOne of following manner or combination are determined the maximum up resource block number that uses of merit according to the demand information that coexists:
(f2) carrier aggregation terminal receives the end of carrying in system broadcast message or carrier aggregation dedicated signalingHolding the demand information that coexists is the transmitted bandwidth and the maximum up number of resource blocks object that uses of carrier aggregation terminalWhen the 4th corresponding relation, according to the 4th corresponding relation, determine self maximum up resource block number that uses.
The mode (d1) of which based in step S11 realizes, and carried out according to the 4th by carrier aggregation terminalCorresponding relation, the definite maximum up resource block number that uses of actual transmission bandwidth of self.
(g2) carrier aggregation terminal receives the end of carrying in system broadcast message or carrier aggregation dedicated signalingThe end demand information that coexists is maximum can use number of resources time, parses maximum and can use number of resources.
In the mode (h1) of which based in step S11, directly send maximum and can use number of resources destination partyFormula realizes, and carrier aggregation terminal only need to receive maximum can use number of resources, then directly uses.
(h2) carrier aggregation terminal receives the end of carrying in system broadcast message or carrier aggregation dedicated signalingThe end demand information that coexists is that maximum is can be used number coding corresponding to number of resources time; Searching the number of storage compilesCode and the maximum corresponding relation that can use number of resources, determine that maximum can be used number of resources.
In the mode (h1) of which based in step S11, send maximum and can use number corresponding to number of resourcesThe mode of order coding realizes, and carrier aggregation terminal receives after number coding, and inquiry obtains corresponding maximum can be madeBy number of resources.
During below with the up transmitting of TDD terminal of a Band38, by up transmitting protection Band7The instantiation of descending reception of FDD terminal describe.
As shown in Figure 4, the up transmitting of TDD terminal (UL) of Band38, the FDD terminal of Band7Descending reception (DL). Wherein, Band38 supports following carrier aggregation bandwidth combination: 20MHz+5MHz,20MHz+10MHz, 20MHz+15MHz or 20MHz+20MHz. Restricted band (RestrictedBlock) at 2570MHz place; Out-of-band radiation corresponding to working frequency range band outer (out-of-band, OOB)Limit value is-15.5dBm/5MHz; Stray radiation limit value corresponding to spurious emissions (Spuriousemission) is-30dBm/MHz。
Band stray radiation requires conventionally can, because the bandwidth of interference source changes, can not predictThe RF index of Band38 in Rel-10 protection Band7 will and Rel-8,9 is identical, works as spectrum aggregating,After transmitted bandwidth becomes greatly, need to carry out back-off and just can meet the outer index that coexists of band. According to terminal hardwareEmulation, can show that corresponding different aggregate bandwidth combination meets the outer required back-off value of index that coexists of band, exampleAs protected the FDD of Band7 whole when the TDD terminal carrier polymerization for Band38 as shown in table 3 belowEnd power demand rollback requires:
Table 3
Base station is operated in carrier aggregation state, and the frequency range of supporting needs the configurating terminal demand information that coexistsTime, extra terminal coexistence demand information when base station configures carrier aggregation according to table 1, configuration mode can be joinedSee step S11. In mode (d1) as example, the transmitted bandwidth of supposing terminal is 30MHz, actual takingResource block size is 7, can determine that according to table 1 back-off value is≤1dB, and terminal needs rollback powerAbout 1dB, base station directly sends to terminal maybe by performance number corresponding this back-off value this back-off valueCoding sends to terminal, terminal on the RB of actual transmission, on maximum transmission power basis, to subtract 1dB transmitting.
The method extra terminal coexistence demand information during by base station configuration and indication carrier wave polymerization, terminal basisBack-off is carried out in the instruction of base station in corresponding region. Can support not need under non-carrier aggregation the correspondence that coexistsBack-off, and the actual demand of required power rollback in the time of carrier aggregation, and there will not beTerminal in Rel-8/Rel-9 system receives unknown message and causes abnormal behaviour.
The method of disturbing is provided in the above-mentioned carrier aggregation system providing according to the embodiment of the present invention, and the present invention is realExecute example the system that reduces interference in a kind of carrier aggregation system is also provided, this system architecture as shown in Figure 5, is wrappedDraw together base station 1 and carrier aggregation terminal 2, wherein base station can be TDD base station, can be also FDD base station;Carrier aggregation terminal can be TDD terminal, can be also FDD terminal.
The structure of above-mentioned base station 1 as shown in Figure 6, comprising: configuration module 11, instruction generation module 12 andInstruction sending module 13.
Configuration module 11, for configuring the terminal coexistence demand information under carrier aggregation mode.
Preferably, above-mentioned configuration module 11, specifically for: judge whether terminal is operated in carrier aggregation modeUnder, and whether the frequency range supported of terminal needs the configurating terminal demand information that coexists; When terminal works is being carriedUnder ripple aggregation scheme and when the frequency range of supporting needs configurating terminal to coexist demand information, configurating terminal coexists to be neededAsk information.
Preferably, above-mentioned configuration module 11, specifically for carrying out one of following configuration mode or combination: base stationDetermine the transmitted bandwidth of carrier aggregation terminal and the first corresponding relation of back-off value, by the first corresponding relationAs the demand information that coexists; Base station determines that the transmitted bandwidth of carrier aggregation terminal, the actual Resource Block taking are largeThe second corresponding relation of little and back-off value, using the second corresponding relation as the demand information that coexists; Base station is trueDetermine the transmitted bandwidth of carrier aggregation terminal, the actual resource block size taking, the actual resource block location takingWith the 3rd corresponding relation of back-off value, using the 3rd corresponding relation as the demand information that coexists; Base station is determinedThe transmitted bandwidth of carrier aggregation terminal and maximum up number of resource blocks object the 4th corresponding relation that uses, by theFour corresponding relations are as the demand information that coexists; Carrier wave, according to the transmitted bandwidth of carrier aggregation terminal, is determined in base stationThe back-off value of polymerization terminal, makes back-off value or performance number coding corresponding to described back-off valueFor the demand information that coexists; Base station is large according to the transmitted bandwidth of carrier aggregation terminal and the actual Resource Block takingLittle, determine the back-off value of carrier aggregation terminal, by corresponding to back-off value or described back-off valuePerformance number coding is as coexisting demand information; Base station is according to the transmitted bandwidth of carrier aggregation terminal, actual takingResource block size and the actual resource block location taking, determine the back-off value of carrier aggregation terminal, willPerformance number corresponding to back-off value or described back-off value encoded as coexisting demand information; Base station basisThe transmitted bandwidth of carrier aggregation terminal is determined the maximum up resource block number that uses, and uses up maximumResource block number or maximum can be used number coding corresponding to number of resources as the demand information that coexists.
Instruction generation module 12, coexists for increasing in system broadcast message the demand field carried terminal that coexistsDemand information or increase the demand field carried terminal demand information that coexists that coexists in carrier aggregation dedicated signaling.
Preferably, above-mentioned instruction generation module 12, specifically for: in host system message block MIB or systemIn the system information block type field of block of information SIB, increase the demand information field that coexists, carried terminal coexists to be neededAsk information; Or in special physical layer configurations information, increase the demand information field carried terminal demand that coexists that coexistsInformation.
Instruction sending module 13, for to all terminal broadcast system broadcasts or to the terminal of carrier aggregationSend carrier aggregation dedicated signaling, so as carrier aggregation terminal according to the described system broadcast message receiving orThe terminal coexistence demand information carrying in carrier aggregation dedicated signaling, definite reality meeting while coexisting demand is sent outPenetrate power and/or the maximum up resource block number that uses.
The structure of above-mentioned carrier aggregation terminal 2 as shown in Figure 7, comprising: signaling receiver module 21 and interferenceProcessing module 22.
Signaling receiver module 21, for receiving the system broadcast message of base station broadcast or receiving carrying of base station transmissionRipple polymerization dedicated signaling; In this system broadcast message or carrier aggregation dedicated signaling, carry the carrier wave of base station configurationTerminal coexistence demand information under aggregation scheme;
Disturb processing module 22, the system broadcast message or the carrier aggregation dedicated signaling that receive for basisThe terminal coexistence demand information carrying, determines that the actual emission power and/or the maximum that meet while coexisting demand are upCan use resource block number.
Preferably, above-mentioned interference processing module 22, specifically for: according to the system broadcast message receiving orThe terminal coexistence demand information carrying in carrier aggregation dedicated signaling, determines back-off value, returns according to powerThe value of moving back is determined the actual emission power of carrier aggregation terminal; And/or according to the system broadcast message receiving or carryThe terminal coexistence demand information carrying in ripple polymerization dedicated signaling, determines the up Resource Block that uses of described maximumNumber.
Preferably, above-mentioned interference processing module 22, specifically for adopting one of following manner or combination to determine meritRate rollback value: carrier aggregation terminal receives the end of carrying in system broadcast message or carrier aggregation dedicated signalingWhile holding the demand information that coexists to be the first corresponding relation of transmitted bandwidth and back-off value, according to the first corresponding closingSystem and the actual transmission bandwidth of self, determine back-off value; Carrier aggregation terminal receives system broadcasts and disappearsThe terminal coexistence demand information carrying in breath or carrier aggregation dedicated signaling is transmitted bandwidth, the actual money takingWhen the second corresponding relation of source block size and back-off value, send out according to the second corresponding relation, self realityPenetrate bandwidth and the actual resource block size taking, determine back-off value; Carrier aggregation terminal receives systemThe terminal coexistence demand information carrying in broadcast or carrier aggregation dedicated signaling is transmitted bandwidth, actual accounting forWith the 3rd corresponding relation of resource block size, the actual resource block location taking and back-off value time, rootAccording to the 3rd corresponding relation, the actual transmission bandwidth of self and the actual resource block size taking and position, determineBack-off value; Carrier aggregation terminal receives carries in system broadcast message or carrier aggregation dedicated signalingWhen terminal coexistence demand information is back-off value, parse back-off value order; Carrier aggregation terminal receivesBe back-off to the terminal coexistence demand information carrying in system broadcast message or carrier aggregation dedicated signalingWhile being worth corresponding performance number coding; Search the performance number coding of storage and the corresponding relation of back-off value, reallyDetermine back-off value.
Preferably, above-mentioned interference processing module 22, specifically for adopting one of following manner or combination to determineThe large up resource block number that uses: carrier aggregation terminal receives system broadcast message or carrier aggregation is specialThe terminal coexistence demand information carrying in signaling is the transmitted bandwidth of carrier aggregation terminal, maximum up useWhen number of resource blocks object the 4th corresponding relation, according to the 4th corresponding relation, determine self maximum up useResource block number; Carrier aggregation terminal receives carries in system broadcast message or carrier aggregation dedicated signalingTerminal coexistence demand information is maximum can use number of resources time, parses maximum and can use number of resources; CarryRipple polymerization terminal receives the terminal coexistence demand of carrying in system broadcast message or carrier aggregation dedicated signalingInformation is that maximum is can be used number coding corresponding to number of resources time; Number coding and the maximum of searching storage canUse the corresponding relation of number of resources, determine that maximum can be used number of resources.
Above-mentioned explanation illustrates and has described the preferred embodiments of the present invention, but as previously mentioned, is to be understood that thisThe bright disclosed form of this paper that is not limited to, should not regard the eliminating to other embodiment as, and can be used forVarious other combinations, amendment and environment, and can be in invention contemplated scope described herein, by above-mentioned religionLead or technology or the knowledge of association area are changed. And the change that those skilled in the art carry out and variation are de-From the spirit and scope of the present invention, all should be in the protection domain of the appended claim of the present invention.
Claims (14)
1. in carrier aggregation system, reduce a method of disturbing, it is characterized in that, comprising:
Terminal coexistence demand information under base station configuration carrier aggregation mode, when described base station configuration carrier aggregationTerminal coexistence demand information, comprise one of following configuration mode or combination: carrier aggregation terminal is determined in base stationTransmitted bandwidth and the first corresponding relation of back-off value, using described the first corresponding relation as the demand of coexistingInformation; The transmitted bandwidth of carrier aggregation terminal, the actual resource block size taking and back-off are determined in base stationThe second corresponding relation of value, using described the second corresponding relation as the demand information that coexists; Base station determines that carrier wave is poly-Closing the transmitted bandwidth of terminal, the actual resource block size taking, the actual resource block location taking and power returnsThe 3rd corresponding relation of the value of moving back, using described the 3rd corresponding relation as the demand information that coexists; Carrier wave is determined in base stationThe transmitted bandwidth of polymerization terminal and maximum up number of resource blocks object the 4th corresponding relation that uses, by described theFour corresponding relations are as the demand information that coexists; Carrier wave, according to the transmitted bandwidth of carrier aggregation terminal, is determined in base stationThe back-off value of polymerization terminal, compiles described back-off value or performance number corresponding to described back-off valueCode is as coexisting demand information; Base station is according to the transmitted bandwidth of carrier aggregation terminal and the actual Resource Block takingSize, determines the back-off value of carrier aggregation terminal, by described back-off value or described back-off valueCorresponding performance number coding is as coexisting demand information; Base station is according to the transmitted bandwidth of carrier aggregation terminal, realityThe resource block size that border takies and the actual resource block location taking, determine the back-off of carrier aggregation terminalValue, believes described back-off value or performance number coding corresponding to described back-off value as the demand that coexistsBreath; The maximum up resource block number that uses, according to the transmitted bandwidth of carrier aggregation terminal, is determined in base station, willDescribed maximum is up uses resource block number or described maximum is up uses the number that resource block number is correspondingOrder coding is as coexisting demand information;
In system broadcast message, increase the demand field carried terminal demand information that coexists that coexists, to all terminalsBroadcast described system broadcast message; Or in carrier aggregation dedicated signaling, increase the demand field carried terminal that coexistsThe demand information that coexists, and send carrier aggregation dedicated signaling to the terminal of carrier aggregation; So that carrier aggregation eventuallyEnd is according to the terminal coexistence need that carry in the described system broadcast message receiving or carrier aggregation dedicated signalingAsk information, determine the actual emission power and/or the maximum up number of resource blocks that uses that meet while coexisting demandOrder.
2. the method for claim 1, is characterized in that, when described base station configuration carrier aggregationTerminal coexistence demand information, specifically comprises:
Base station judges whether terminal is operated under carrier aggregation mode, and whether the frequency range that terminal is supported needsWant the configurating terminal demand information that coexists;
When terminal works under carrier aggregation mode and the frequency range of supporting need coexist demand letter of configurating terminalWhen breath, configure described terminal coexistence demand information.
3. method as claimed in claim 1 or 2, is characterized in that, described in system broadcast messageIncrease the demand field carried terminal demand information that coexists that coexists, specifically comprise:
In the system information block type field of host system message block MIB or system information block SIB, increase altogetherDeposit demand information field, the carried terminal demand information that coexists.
4. the method as described in as arbitrary in claim 1 or 2, is characterized in that, described special in carrier aggregationWith increasing the demand field carried terminal demand information that coexists that coexists in signaling, specifically comprise:
In special physical layer configurations information, increase the demand information field carried terminal demand information that coexists that coexists.
5. in carrier aggregation system, reduce a method of disturbing, it is characterized in that, comprising:
Carrier aggregation terminal receives the system broadcast message of base station broadcast or receives the carrier aggregation that base station sendsDedicated signaling; In described system broadcast message or described carrier aggregation dedicated signaling, carry the carrier wave of base station configurationTerminal coexistence demand information under aggregation scheme;
Carrier aggregation terminal is according to taking in the described system broadcast message receiving or carrier aggregation dedicated signalingThe terminal coexistence demand information of band, determines back-off value, determines that the reality of self is sent out according to back-off valuePenetrate power and/or the maximum up resource block number that uses, carrier aggregation terminal is determined according to the demand information that coexistsThe process of back-off value, specifically comprises one of following manner or combination: carrier aggregation terminal receives systemThe terminal coexistence demand information carrying in broadcast or carrier aggregation dedicated signaling is transmitted bandwidth and powerWhen the first corresponding relation of rollback value, according to described the first corresponding relation and the actual transmission bandwidth of self, reallyDetermine back-off value; Carrier aggregation terminal receives in system broadcast message or carrier aggregation dedicated signaling and carriesTerminal coexistence demand information be second of transmitted bandwidth, the actual resource block size taking and back-off valueWhen corresponding relation, according to described the second corresponding relation, the actual transmission bandwidth of self and the actual resource takingBlock size, determines back-off value; Carrier aggregation terminal receives system broadcast message or carrier aggregation is specialThe terminal coexistence demand information carrying in signaling is transmitted bandwidth, the actual resource block size taking, actual accounting forWith resource block location and when the 3rd corresponding relation of back-off value, according to described the 3rd corresponding relation, fromThe actual transmission bandwidth of body and the actual resource block size taking and position, determine back-off value; Carrier wave is poly-Close terminal and receive the terminal coexistence demand information carrying in system broadcast message or carrier aggregation dedicated signalingDuring for back-off value, parse described back-off value; Carrier aggregation terminal receives system broadcast messageOr the terminal coexistence demand information carrying in carrier aggregation dedicated signaling is performance number corresponding to back-off valueWhen coding; Search the performance number coding of storage and the corresponding relation of back-off value, determine described back-offValue.
6. method as claimed in claim 5, is characterized in that, described carrier aggregation terminal is determined and metThe up resource block number that uses of maximum while coexisting demand, specifically comprises:
In the system broadcast message that carrier aggregation terminal basis receives or carrier aggregation dedicated signaling, carryTerminal coexistence demand information, determines the maximum up resource block number that uses.
7. method as claimed in claim 6, is characterized in that, described carrier aggregation terminal is according to coexistingDemand information is determined the maximum up number of resource blocks object process that uses, and specifically comprises one of following manner or groupClose:
Carrier aggregation terminal receives the terminal of carrying in system broadcast message or carrier aggregation dedicated signaling and is total toDeposit the transmitted bandwidth that demand information is carrier aggregation terminal, maximum up the 4th pair of the number of resource blocks object that useShould be related to time, according to described the 4th corresponding relation, determine self maximum up resource block number that uses;
Carrier aggregation terminal receives the terminal of carrying in system broadcast message or carrier aggregation dedicated signaling and is total toDeposit demand information for maximum up while using resource block number, parse the up resource that uses of described maximumPiece number;
Carrier aggregation terminal receives the terminal of carrying in system broadcast message or carrier aggregation dedicated signaling and is total toDeposit demand information and be maximum up while using number coding corresponding to resource block number; Search the number of storageCoding and the maximum up number of resource blocks object corresponding relation that uses, determine the up resource that uses of described maximumPiece number.
8. a base station, is characterized in that, comprising:
Configuration module, for configuring the terminal coexistence demand information under carrier aggregation mode, specifically for carrying outOne of following configuration mode or combination: the transmitted bandwidth of carrier aggregation terminal and back-off value are determined in base stationThe first corresponding relation, using described the first corresponding relation as the demand information that coexists; Base station determines that carrier aggregation eventuallyThe second corresponding relation of transmitted bandwidth, the actual resource block size taking and the back-off value of end, described in inciting somebody to actionThe second corresponding relation is as the demand information that coexists; The transmitted bandwidth of carrier aggregation terminal, actual accounting for are determined in base stationWith the 3rd corresponding relation of resource block size, the actual resource block location taking and back-off value, by instituteState the 3rd corresponding relation as the demand information that coexists; Base station determines that the transmitted bandwidth of carrier aggregation terminal is with maximumUp number of resource blocks object the 4th corresponding relation that uses, using described the 4th corresponding relation as the demand letter that coexistsBreath; The back-off value of carrier aggregation terminal, according to the transmitted bandwidth of carrier aggregation terminal, is determined in base station, willPerformance number corresponding to described back-off value or described back-off value encoded as coexisting demand information; Base stationAccording to the transmitted bandwidth of carrier aggregation terminal and the actual resource block size taking, determine carrier aggregation terminalBack-off value, encodes described back-off value or performance number corresponding to described back-off value as coexistingDemand information; Base station is according to the transmitted bandwidth of carrier aggregation terminal, the actual resource block size taking and realityThe resource block location taking, determines the back-off value of carrier aggregation terminal, by described back-off value or instituteState performance number coding corresponding to back-off value as coexisting demand information; Base station is according to carrier aggregation terminalTransmitted bandwidth is determined the maximum up resource block number that uses, by the up described maximum resource block number that usesOr described maximum is up uses number coding that resource block number is corresponding as the demand information that coexists;
Instruction generation module, coexists and needs for the demand field carried terminal that coexists in system broadcast message increaseAsk information or in carrier aggregation dedicated signaling, increase the demand field carried terminal demand information that coexists that coexists;
Instruction sending module, for broadcasting described system broadcast message or the end to carrier aggregation to all terminalsEnd sends carrier aggregation dedicated signaling, so that carrier aggregation terminal is according to the described system broadcast message receivingOr the terminal coexistence demand information carrying in carrier aggregation dedicated signaling, determine the reality meeting while coexisting demandTransmitting power and/or the maximum up resource block number that uses.
9. base station as claimed in claim 8, is characterized in that, described configuration module, specifically for:
Judge whether terminal is operated under carrier aggregation mode, and whether the frequency range that terminal is supported needs to joinPut terminal coexistence demand information; When terminal works under carrier aggregation mode and the frequency range of supporting need configurationWhen terminal coexistence demand information, configure described terminal coexistence demand information.
10. base station as claimed in claim 8 or 9, is characterized in that described instruction generation module, toolBody is used for:
In the system information block type field of host system message block MIB or system information block SIB, increase altogetherDeposit demand information field, the carried terminal demand information that coexists; Or increase altogether in special physical layer configurations informationDeposit the demand information field carried terminal demand information that coexists.
11. 1 kinds of carrier aggregation terminals, is characterized in that, comprising:
Signaling receiver module, for receiving the system broadcast message of base station broadcast or receiving the carrier wave that base station sendsPolymerization dedicated signaling; In described system broadcast message or described carrier aggregation dedicated signaling, carry base station configurationTerminal coexistence demand information under carrier aggregation mode;
Disturb processing module, the described system broadcast message or the carrier aggregation dedicated signaling that receive for basisIn the terminal coexistence demand information that carries, determine back-off value, determine carrier aggregation according to back-off valueThe actual emission power of terminal and/or the maximum up resource block number that uses, specifically for adopting following mannerOne of or combination determine back-off value: carrier aggregation terminal receives system broadcast message or carrier aggregation is specialIt is the first corresponding relation of transmitted bandwidth and back-off value with the terminal coexistence demand information carrying in signalingTime, according to described the first corresponding relation and the actual transmission bandwidth of self, determine back-off value; Carrier wave is poly-Close terminal and receive the terminal coexistence demand information carrying in system broadcast message or carrier aggregation dedicated signalingDuring for the second corresponding relation of transmitted bandwidth, the actual resource block size taking and back-off value, according to instituteState the second corresponding relation, the actual transmission bandwidth of self and the actual resource block size taking, determine that power returnsThe value of moving back; Carrier aggregation terminal receives the terminal of carrying in system broadcast message or carrier aggregation dedicated signaling and is total toDepositing demand information is transmitted bandwidth, the actual resource block size taking, the actual resource block location taking and meritWhen the 3rd corresponding relation of rate rollback value, according to described the 3rd corresponding relation, the actual transmission bandwidth of self andThe actual resource block size taking and position, determine back-off value; It is wide that carrier aggregation terminal receives systemWhen the terminal coexistence demand information carrying in broadcast message or carrier aggregation dedicated signaling is back-off value, resolveGo out described back-off value order; Carrier aggregation terminal receives system broadcast message or carrier aggregation dedicated signalingIn the terminal coexistence demand information that carries while being performance number coding corresponding to back-off value; Search the merit of storageThe corresponding relation of rate value coding and back-off value, determines described back-off value.
12. terminals as claimed in claim 11, is characterized in that, described interference processing module is concreteBe used for:
According to the terminal coexistence demand of carrying in the system broadcast message receiving or carrier aggregation dedicated signalingInformation, determines the up resource block number that uses of described maximum.
13. terminals as claimed in claim 12, is characterized in that, described interference processing module is concreteBe used for adopting one of following manner or combination to determine the maximum up resource block number that uses:
Carrier aggregation terminal receives the terminal of carrying in system broadcast message or carrier aggregation dedicated signaling and is total toDeposit the transmitted bandwidth that demand information is carrier aggregation terminal, maximum up the 4th pair of the number of resource blocks object that useShould be related to time, according to described the 4th corresponding relation, determine self maximum up resource block number that uses;
Carrier aggregation terminal receives the terminal of carrying in system broadcast message or carrier aggregation dedicated signaling and is total toDeposit demand information for maximum up while using resource block number, parse the up resource that uses of described maximumPiece number;
Carrier aggregation terminal receives the terminal of carrying in system broadcast message or carrier aggregation dedicated signaling and is total toDeposit demand information and be maximum up while using number coding corresponding to resource block number; Search the number of storageCoding and the maximum up number of resource blocks object corresponding relation that uses, determine the up resource that uses of described maximumPiece number.
In 14. 1 kinds of carrier aggregation systems, reduce the system of disturbing, it is characterized in that, comprising: as right is wantedAsk the arbitrary described base station of 8-10 and as arbitrary in claim 11-13 as described in carrier aggregation terminal.
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| CN104104454A (en) * | 2013-04-01 | 2014-10-15 | 中兴通讯股份有限公司 | Terminal carrier polymerization test device |
| CN106412989B (en) * | 2016-09-29 | 2019-12-17 | 上海华为技术有限公司 | Cooperative scheduling method and base station |
| EP3908060A4 (en) * | 2019-01-28 | 2022-03-02 | Huawei Technologies Co., Ltd. | Resource allocation method, terminal and base station |
| CN112543507B (en) * | 2019-09-23 | 2022-09-13 | 成都鼎桥通信技术有限公司 | Carrier selection method, device, base station and storage medium based on uplink interference |
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| CN101808402A (en) * | 2009-02-12 | 2010-08-18 | 中兴通讯股份有限公司 | Acquiring method and reception and transmission system of member carrier wave information |
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