CN103379511B - Control channel processing method and equipment - Google Patents
Control channel processing method and equipment Download PDFInfo
- Publication number
- CN103379511B CN103379511B CN201210107632.9A CN201210107632A CN103379511B CN 103379511 B CN103379511 B CN 103379511B CN 201210107632 A CN201210107632 A CN 201210107632A CN 103379511 B CN103379511 B CN 103379511B
- Authority
- CN
- China
- Prior art keywords
- modulation system
- control channel
- base station
- dmrs sequence
- terminal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The embodiment of the present invention provides control channel processing method and equipment. The embodiment of the present invention can solve in prior art operand and the power consumption of carrying out according to each modulation system of control channel the blind Detecting that blind Detecting causes respectively due to UE to be increased, thereby has reduced operand and the power consumption of the blind Detecting of control channel.
Description
Technical field
The present invention relates to the communication technology, relate in particular to control channel processing method and equipment.
Background technology
At wireless communication system for example: in Long Term Evolution (LongTermEvolution, LTE) system, due to multi-userMultiple-input and multiple-output (MultipleInputMultipleOutput, MIMO) and coordinate multipoint (CoordinatedMultiplePoints, CoMP) etc. the introducing of technology, make control channel capacity limited, therefore introduce the physical down strengtheningControl channel (EnhancedPhysicalDownlinkControlChannel, ePDCCH). Terminal (UserEquipment, UE) in the time carrying out blind Detecting, can attempt once according to each modulation system of ePDCCH respectively, for example: justThe orthogonal width of handing over phase-shift keying (PSK) (QuadraturePhaseShiftKeying, QPSK) modulation system and comprising 16 kinds of symbolsDegree modulation (QuadratureAmplitudeModulation, QAM) is 16QAM modulation system.
But, because UE carries out blind Detecting according to each modulation system of control channel respectively, make the computing of blind DetectingAmount and power consumption increase.
Summary of the invention
The embodiment of the present invention provides control channel processing method and equipment, in order to reduce the computing of blind Detecting of control channelAmount and power consumption.
Provide a kind of control channel processing method on the one hand, having comprised:
Terminal receives the demodulated reference signal DMRS sequence that base station sends;
Described terminal, according to the corresponding relation of DMRS sequence and modulation system, is determined the modulation corresponding with described DMRS sequenceMode, described modulation system is used for modulation control channel by base station;
The described terminal utilization modulation system corresponding with described DMRS, detects described control channel.
Provide a kind of control channel processing method on the one hand, having comprised:
Terminal generates the channel status instruction of control channel;
Described terminal sends described channel status instruction to base station, described channel status instruction is used for determining by described base stationIndicate corresponding modulation system with described channel status;
Described terminal is the corresponding relation with modulation system according to channel status instruction, and it is right to determine with described channel status instructionThe modulation system of answering;
Described terminal utilization is indicated corresponding modulation system with described channel status, and described control channel is detected.
A kind of control channel processing method is provided on the other hand, has comprised:
Base station is identified for the modulation system of modulation control channel;
Described base station, according to the corresponding relation of modulation system and demodulated reference signal DMRS sequence, obtains and described modulation methodsThe DMRS sequence that formula is corresponding;
Described base station sends described DMRS sequence to terminal, described DMRS sequence by described terminal for determine with described inThe modulation system that DMRS sequence is corresponding;
Described base station utilizes described modulation system, modulates described control channel.
A kind of control channel processing method is provided on the other hand, has comprised:
The channel status instruction of the control channel that base station receiving terminal sends;
Described base station is the corresponding relation with modulation system according to channel status instruction, and it is right to determine with described channel status instructionThe modulation system of answering;
Described base station utilizes described modulation system, modulates described control channel.
A kind of terminal is provided on the other hand, has comprised:
Receiving element, the demodulated reference signal DMRS sequence sending for receiving base station;
Determining unit, for according to the corresponding relation of DMRS sequence and modulation system, determines corresponding with described DMRS sequenceModulation system, described modulation system by base station for modulation control channel;
Detecting unit, for utilizing the modulation system corresponding with described DMRS, detects described control channel.
A kind of terminal is provided on the other hand, has comprised:
Generation unit, for generating the channel status instruction of control channel;
Transmitting element, for send described channel status instruction to base station, described channel status instruction is used by described base stationIndicate corresponding modulation system in determining with described channel status;
Determining unit, for the corresponding relation with modulation system according to channel status instruction, determines and described channel statusIndicate corresponding modulation system;
Detecting unit, indicates corresponding modulation system for utilizing with described channel status, and described control channel is carried outDetect.
A kind of base station is provided on the other hand, has comprised:
Determining unit, for being identified for the modulation system of modulation control channel;
Obtain unit, for according to the corresponding relation of modulation system and demodulated reference signal DMRS sequence, obtain and described inThe DMRS sequence that modulation system is corresponding;
Determining unit, for send described DMRS sequence to terminal, described DMRS sequence by described terminal for determine withModulation system corresponding to described DMRS sequence;
Modulating unit, for utilizing described modulation system, modulates described control channel.
A kind of base station is provided on the other hand, has comprised:
Receiving element, the channel status instruction of the control channel sending for receiving terminal;
Determining unit, for the corresponding relation with modulation system according to channel status instruction, determines and described channel statusIndicate corresponding modulation system;
Modulating unit, for utilizing described modulation system, modulates described control channel.
As shown from the above technical solution, the embodiment of the present invention can solve in prior art because UE is respectively according to controlling letterEach modulation system in road is carried out blind Detecting and operand and the power consumption of the blind Detecting that causes increase, thereby has reduced control channelOperand and the power consumption of blind Detecting.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existingHave the accompanying drawing of required use in technical description to be briefly described, apparently, the accompanying drawing in the following describes is thisSome bright embodiment, for those of ordinary skill in the art, not paying under the prerequisite of creative work, all rightObtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of the control channel processing method that Fig. 1 provides for one embodiment of the invention;
The schematic flow sheet of the control channel processing method that Fig. 2 provides for another embodiment of the present invention;
The schematic flow sheet of the control channel processing method that Fig. 3 provides for another embodiment of the present invention;
The schematic flow sheet of the control channel processing method that Fig. 4 provides for another embodiment of the present invention;
The structural representation of the terminal that Fig. 5 provides for another embodiment of the present invention;
The structural representation of the terminal that Fig. 6 provides for another embodiment of the present invention;
The structural representation of the terminal that Fig. 7 provides for another embodiment of the present invention;
The structural representation of the base station that Fig. 8 provides for another embodiment of the present invention;
The structural representation of the base station that Fig. 9 provides for another embodiment of the present invention;
The structural representation of the base station that Figure 10 provides for another embodiment of the present invention.
Detailed description of the invention
For making object, technical scheme and the advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present inventionIn accompanying drawing, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment isThe present invention's part embodiment, instead of whole embodiment. Based on the embodiment in the present invention, those of ordinary skill in the artNot making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of protection of the invention.
The technical scheme of the embodiment of the present invention, can be applied to various wireless communication systems, for example: global mobile communication systemSystem (GlobalSystemforMobileCommunications, GSM), GPRS (GeneralPacketRadioService, GPRS) system, CDMA (CodeDivisionMultipleAccess, CDMA) beSystem, CDMA2000 system, WCDMA (WidebandCodeDivisionMultipleAccess, WCDMA) areSystem, Long Term Evolution (LongTermEvolution, LTE) system or World Interoperability for Microwave Access, WiMax (WorldInteroperabilityforMicrowaveAccess, WiMAX) system etc.
Base station can be the base station (BaseTransceiver in gsm system, gprs system or cdma systemStation, BTS), can also be the base station (NodeB) in CDMA2000 system or WCDMA system, can also be in LTE systemEvolved base station (EvolvedNodeB, eNB), can also be the base station of the access service network in WiMAX networkNetwork elements such as (AccessServiceNetworkBaseStation, ASNBS).
The related control channel of technical scheme of the embodiment of the present invention can include but not limited to the physical down strengtheningControl channel (EnhancedPhysicalDownlinkControlChannel, ePDCCH).
The related modulation system of technical scheme of the embodiment of the present invention can include but not limited to QPSK(QuadraturePhaseShiftKeying, QPSK) modulation system, the quadrature amplitude modulation that comprises 16 kinds of symbols(QuadratureAmplitudeModulation, QAM) be 16QAM modulation system or the QAM that comprises 64 kinds of symbols64QAM modulation system.
The schematic flow sheet of the control channel processing method that Fig. 1 provides for one embodiment of the invention, as shown in Figure 1, this realityExecuting routine control channel processing method can comprise:
101, UE receives the demodulated reference signal (DemodulationReferenceSignal, DMRS) that base station sendsSequence.
Taking LTE system as example, in an optional embodiment of the present embodiment, UE receives the DMRS order that eNB sendsAfter row, can utilize DMRS sequence in the local DMRS arrangement set corresponding with ePDCCH generating respectively with receiveDMRS sequence is correlated with, and then further according to correlated results, determines the DMRS order corresponding to correlation of absolute value maximumClassify the DMRS sequence receiving as. Detailed description can, referring to related content of the prior art, repeat no more herein.
102, above-mentioned UE, according to the corresponding relation of DMRS sequence and modulation system, determines the tune corresponding with above-mentioned DMRS sequenceMode processed, above-mentioned modulation system is used for modulation control channel by base station.
In an optional embodiment of the present embodiment, before 102, above-mentioned UE can also further receive above-mentioned baseStand send above-mentioned DMRS sequence and the corresponding relation of modulation system.
For example: specifically can be by the information in Radio Resource control (RadioResourceControl, RRC) messageElement (InformationElement, IE) carries above-mentioned corresponding relation, and described RRC message can be RRC of the prior artMessage, for example: (RRCCONNECTIONRECONFIGURATION) message etc. is reshuffled in RRC connection, and the present embodiment does not enter thisRow limits, and by the IE of existing RRC message is expanded and carries above-mentioned corresponding relation, or described RRC message is also passableFor being different from existing RRC message in prior art.
Again for example: specifically can also be by increasing new media interviews control (MediaAccessControl, MAC) controlElement processed (ControlElement, CE) message is carried above-mentioned corresponding relation.
In an optional embodiment of the present embodiment, above-mentioned UE can also be according to the pre-configured above-mentioned correspondence pass that obtainsSystem, for example: agreement agreement.
Taking LTE system as example, in an optional embodiment of the present embodiment, the DMRS in above-mentioned DMRS arrangement setSequence can be produced by the sequence seed of presetting, or can also be multiplied by different signature sequences by same basic sequence and produce.It should be noted that: the DMRS sequence in DMRS arrangement set and the corresponding relation of modulation system can be referring to tables 1.
DMRS sequence in table 1DMRS arrangement set and the corresponding relation of modulation system
| DMRS arrangement set x (i) | Modulation system |
| x(0) | QPSK |
| x(1) | 16QAM |
| x(2) | QPSK |
| …… | …… |
103, above-mentioned UE utilizes the modulation system corresponding with above-mentioned DMRS, and above-mentioned control channel is detected.
In the present embodiment, receive by UE the demodulated reference signal DMRS sequence that base station sends, and then according to DMRS sequenceWith the corresponding relation of modulation system, determine the modulation system corresponding with above-mentioned DMRS sequence, above-mentioned modulation system is used for by base stationModulation control channel, makes above-mentioned UE can utilize the modulation system corresponding with above-mentioned DMRS, and above-mentioned control channel is examinedSurvey, can solve in prior art due to UE carry out according to each modulation system of control channel that blind Detecting causes respectively blindThe operand detecting and power consumption increase, thereby have reduced operand and the power consumption of the blind Detecting of control channel.
The schematic flow sheet of the control channel processing method that Fig. 2 provides for another embodiment of the present invention, as shown in Figure 2, thisThe control channel processing method of embodiment can comprise:
201, UE generates the channel status instruction (ChannelStatusIndicator, CSI) of control channel.
Taking LTE system as example, in an optional embodiment of the present embodiment, UE can be according to the variation feelings of channelCondition, generates CSI. UE can also further pass through Physical Uplink Control Channel (PhysicalUplinkControlChannel, PUCCH), periodically to eNB feedback, or can also further pass through Physical Uplink Shared Channel (PhysicalUplinkShareChannel, PUSCH) aperiodicity feeds back to eNB. Detailed description can be referring to of the prior art relevantContent repeats no more herein.
202, above-mentioned UE sends above-mentioned channel status instruction to base station, and above-mentioned channel status instruction is used for really by above-mentioned base stationDetermine to indicate corresponding modulation system with above-mentioned channel status.
203, above-mentioned UE, according to the corresponding relation of channel status instruction and modulation system, determines and above-mentioned channel status instructionCorresponding modulation system.
In an optional embodiment of the present embodiment, before 102, above-mentioned UE can also further receive above-mentioned baseThe corresponding relation of the above-mentioned channel status instruction that sends and the modulation system of standing.
For example: specifically can carry above-mentioned corresponding relation by the IE in RRC message, described RRC message can be existingRRC message in technology, for example: (RRCCONNECTIONRECONFIGURATION) message etc., this reality are reshuffled in RRC connectionExecute example this is not limited, by the IE of existing RRC message is expanded and carries above-mentioned corresponding relation, or described inRRC message also can be for being different from existing RRC message in prior art.
Again for example: specifically can also carry above-mentioned corresponding relation by increasing new MACCE message.
In an optional embodiment of the present embodiment, above-mentioned UE can also be according to the pre-configured above-mentioned correspondence pass that obtainsSystem, for example: agreement agreement.
Taking LTE system as example, in an optional embodiment of the present embodiment, CSI can include but not limited to that order refers toShow (RankIndicator, RI), channel quality instruction (ChannelQualityIndicator, CQI) and pre-coding matrixInstruction (PrecodingMatrixIndicator, PMI). It should be noted that: the corresponding relation of CSI and modulation system is passableReferring to table 2.
The corresponding relation of table 2CSI and modulation system
| CSI | Modulation system |
| CSI is less than or equal to predetermined threshold value CSIthreshold | QPSK |
| CSI is greater than predetermined threshold value CSIthreshold | 16QAM |
| …… | …… |
204, above-mentioned UE utilizes and indicates corresponding modulation system with above-mentioned channel status, and above-mentioned control channel is examinedSurvey.
In the present embodiment, generate the channel status instruction of control channel by UE, and send above-mentioned channel status to base stationInstruction, above-mentioned channel status instruction is indicated corresponding modulation system for determining with above-mentioned channel status by above-mentioned base station, andUE is the corresponding relation with modulation system according to channel status instruction, and determine and indicate corresponding modulation system with above-mentioned channel status,Above-mentioned UE can be utilized with above-mentioned channel status and indicate corresponding modulation system, above-mentioned control channel is detected to energyEnough solve in prior art because UE carries out according to each modulation system of control channel the blind Detecting that blind Detecting causes respectivelyOperand and power consumption increase, thereby reduced operand and the power consumption of the blind Detecting of control channel.
The schematic flow sheet of the control channel processing method that Fig. 3 provides for another embodiment of the present invention, as shown in Figure 3, thisThe control channel processing method of embodiment can comprise:
301, base station is identified for the modulation system of modulation control channel.
Particularly, base station determines that the method for modulation system can be referring to related content of the prior art, no longer superfluous hereinState.
302, above-mentioned base station, according to the corresponding relation of modulation system and DMRS sequence, obtains corresponding with above-mentioned modulation systemDMRS sequence.
303, above-mentioned base station sends above-mentioned DMRS sequence to UE, and above-mentioned DMRS sequence is used for determining with above-mentioned by above-mentioned UEThe modulation system that DMRS sequence is corresponding.
In an optional embodiment of the present embodiment, before 303, base station can also further send to above-mentioned UEThe corresponding relation of above-mentioned modulation system and DMRS sequence, this corresponding relation can be referring to table 1.
304, above-mentioned base station utilizes above-mentioned modulation system, modulates above-mentioned control channel.
In the present embodiment, be identified for the modulation system of modulation control channel by base station, so according to modulation system withThe corresponding relation of demodulated reference signal DMRS sequence, obtains the DMRS sequence corresponding with above-mentioned modulation system, and in UE transmissionState DMRS sequence, above-mentioned DMRS sequence for determining the modulation system corresponding with above-mentioned DMRS sequence, is made above-mentioned by above-mentioned UEBase station can utilize above-mentioned modulation system, modulates above-mentioned control channel, can solve in prior art because UE is respectively according to controlEach modulation system of channel processed is carried out blind Detecting and operand and the power consumption of the blind Detecting that causes increase, thereby has reduced controlThe operand of the blind Detecting of channel and power consumption.
The schematic flow sheet of the control channel processing method that Fig. 4 provides for another embodiment of the present invention, as shown in Figure 4, thisThe control channel processing method of embodiment can comprise:
401, base station receives the channel status instruction of the control channel of UE transmission.
Taking LTE system as example, in an optional embodiment of the present embodiment, UE can be according to the variation feelings of channelCondition, generates CSI. UE can also further pass through PUCCH, periodically to eNB feedback, or can also further pass through PUSCHAperiodicity is fed back to eNB. Detailed description can, referring to related content of the prior art, repeat no more herein.
402, above-mentioned base station, according to the corresponding relation of channel status instruction and modulation system, is determined with above-mentioned channel status and is referred toShow corresponding modulation system.
403, above-mentioned base station utilizes above-mentioned modulation system, modulates above-mentioned control channel.
In an optional embodiment of the present embodiment, base station can also further send above-mentioned channel shape to above-mentioned UEThe corresponding relation of state instruction and modulation system, this corresponding relation can be referring to table 2.
In the present embodiment, receive the channel status instruction of the control channel of UE transmission by base station, and then according to channel shapeThe corresponding relation of state instruction and modulation system, determines and indicates corresponding modulation system with above-mentioned channel status, makes above-mentioned base stationCan utilize above-mentioned modulation system, modulate above-mentioned control channel and can solve in prior art because UE is respectively according to control channelEach modulation system carry out blind Detecting and operand and the power consumption of the blind Detecting that causes increase, thereby reduced control channelThe operand of blind Detecting and power consumption.
It should be noted that: for aforesaid each embodiment of the method, for simple description, therefore it is all expressed as a series ofCombination of actions, but those skilled in the art should know, the present invention is not subject to the restriction of described sequence of movement becauseAccording to the present invention, some step can adopt other orders or carry out simultaneously. Secondly, those skilled in the art also should knowKnow, the embodiment described in description all belongs to preferred embodiment, and related action and module might not be the present inventionNecessary.
In the above-described embodiments, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the portion of describing in detailPoint, can be referring to the associated description of other embodiment.
The structural representation of the terminal that Fig. 5 provides for another embodiment of the present invention, as shown in Figure 5, the terminal of the present embodimentCan comprise receiving element 51, determining unit 52 and detecting unit 53. Wherein, the solution that receiving element 51 sends for receiving base stationAdjust reference signal DMRS sequence; Determining unit 52, for according to the corresponding relation of DMRS sequence and modulation system, is determined with above-mentionedThe modulation system that DMRS sequence is corresponding, above-mentioned modulation system is used for modulation control channel by base station; Detecting unit 53 is for utilizingThe modulation system corresponding with above-mentioned DMRS, detects above-mentioned control channel.
In an optional embodiment of the present embodiment, receiving element 51 can also further receive above-mentioned base station and sendAbove-mentioned DMRS sequence and the corresponding relation of modulation system, for determining unit 52 according to this corresponding relation determine with above-mentioned DMRSThe modulation system that sequence is corresponding.
In the present embodiment, terminal receives the demodulated reference signal DMRS sequence that base station sends, Jin Eryou by receiving elementDetermining unit, according to the corresponding relation of DMRS sequence and modulation system, is determined the modulation system corresponding with above-mentioned DMRS sequence, onState modulation system by base station for modulation control channel, make detecting unit can utilize the modulation methods corresponding with above-mentioned DMRSFormula, detects above-mentioned control channel, can solve in prior art because terminal is respectively according to each tune of control channelMode processed is carried out blind Detecting and operand and the power consumption of the blind Detecting that causes increase, thereby has reduced the blind Detecting of control channelOperand and power consumption.
The structural representation of the terminal that Fig. 6 provides for another embodiment of the present invention, as shown in Figure 6, the terminal of the present embodimentCan comprise generation unit 61, transmitting element 62, determining unit 63 and detecting unit 64. Wherein, generation unit 61 is for generatingThe channel status instruction of control channel; Transmitting element 62 is for sending above-mentioned channel status instruction, above-mentioned channel status to base stationInstruction is indicated corresponding modulation system for determining with above-mentioned channel status by above-mentioned base station; Determining unit 63 is for according to channelThe corresponding relation of state instruction and modulation system, determines and indicates corresponding modulation system with above-mentioned channel status; Detecting unit 64Indicate corresponding modulation system for utilizing with above-mentioned channel status, above-mentioned control channel is detected.
In an optional embodiment of the present embodiment, as shown in Figure 7, the terminal that the present embodiment provides can also enter oneStep comprises receiving element 71, for receiving the above-mentioned channel status instruction of above-mentioned base station transmission and the corresponding relation of modulation system,Determine and indicate corresponding modulation system with above-mentioned channel status according to this corresponding relation for determining unit 63.
In the present embodiment, terminal generates the channel status instruction of control channel by generation unit, and by transmitting element toBase station sends above-mentioned channel status instruction, and above-mentioned channel status instruction is indicated for determining with above-mentioned channel status by above-mentioned base stationCorresponding modulation system, and by determining unit according to channel status instruction the corresponding relation with modulation system, determine with above-mentionedChannel status is indicated corresponding modulation system, detecting unit can be utilized with above-mentioned channel status and indicate corresponding modulation methodsFormula, detects above-mentioned control channel, can solve in prior art because terminal is respectively according to each tune of control channelMode processed is carried out blind Detecting and operand and the power consumption of the blind Detecting that causes increase, thereby has reduced the blind Detecting of control channelOperand and power consumption.
The structural representation of the base station that Fig. 8 provides for another embodiment of the present invention, as shown in Figure 8, the base station of the present embodimentDetermining unit 81 be can comprise, unit 82, transmitting element 83 and modulating unit 84 obtained. Wherein, determining unit 81 is for determiningFor the modulation system of modulation control channel; Obtain unit 82 for according to modulation system and demodulated reference signal DMRS sequenceCorresponding relation, obtains the DMRS sequence corresponding with above-mentioned modulation system; Transmitting element 83 is for sending above-mentioned DMRS order to terminalRow, above-mentioned DMRS sequence is used for determining the modulation system corresponding with above-mentioned DMRS sequence by above-mentioned terminal; Modulating unit 84 forUtilize above-mentioned modulation system, modulate above-mentioned control channel.
In an optional embodiment of the present embodiment, transmitting element 83 can also further send to above-mentioned terminalState the corresponding relation of modulation system and DMRS sequence, determine and above-mentioned DMRS sequence pair according to this corresponding relation for above-mentioned terminalThe modulation system of answering.
In the present embodiment, base station is identified for the modulation system of modulation control channel by determining unit, and then by obtainingUnit, according to the corresponding relation of modulation system and demodulated reference signal DMRS sequence, obtains the DMRS corresponding with above-mentioned modulation systemSequence, and send above-mentioned DMRS sequence by transmitting element to UE, above-mentioned DMRS sequence is used for determining and above-mentioned DMRS by above-mentioned UEThe modulation system that sequence is corresponding, makes modulating unit can utilize above-mentioned modulation system, modulates above-mentioned control channel, can solveIn prior art, carry out respectively the fortune of the blind Detecting that blind Detecting causes according to each modulation system of control channel due to terminalCalculation amount and power consumption increase, thereby have reduced operand and the power consumption of the blind Detecting of control channel.
The structural representation of the base station that Fig. 9 provides for another embodiment of the present invention, as shown in Figure 9, the base station of the present embodimentCan comprise receiving element 91, determining unit 92 and modulating unit 93. Wherein, the control that receiving element 91 sends for receiving terminalThe channel status instruction of channel processed; Determining unit 92, for the corresponding relation with modulation system according to channel status instruction, is determinedIndicate corresponding modulation system with above-mentioned channel status; Modulating unit 93, for utilizing above-mentioned modulation system, is modulated above-mentioned controlChannel.
In an optional embodiment of the present embodiment, as shown in figure 10, the base station that the present embodiment provides can also be enteredOne step comprises transmitting element 1001, for send the corresponding relation of above-mentioned channel status instruction and modulation system to above-mentioned terminal,Determine and indicate corresponding modulation system with above-mentioned channel status according to this corresponding relation for above-mentioned terminal.
In the present embodiment, the channel status instruction of the control channel that base station sends by receiving element receiving terminal, and then, determine and indicate corresponding tune with above-mentioned channel status according to the corresponding relation of channel status instruction and modulation system by determining unitMode processed, makes modulating unit can utilize above-mentioned modulation system, modulate above-mentioned control channel can solve in prior art byCarry out blind Detecting according to each modulation system of control channel respectively and operand and the power consumption of the blind Detecting that causes increase in UE,Thereby operand and the power consumption of the blind Detecting of control channel are reduced.
Those skilled in the art can be well understood to, for convenience and simplicity of description, and the system of foregoing description,The specific works process of device and unit, can, with reference to the corresponding process in preceding method embodiment, not repeat them here.
In the several embodiment that provide in the application, should be understood that, disclosed system, apparatus and method, canRealize by another way. For example, device embodiment described above is only schematically, for example, and described unitDividing, is only that a kind of logic function is divided, and can have other dividing mode, for example multiple unit or assembly when actual realizationCan in conjunction with or can be integrated into another system, or some features can ignore, or do not carry out. Another point, shown orThe coupling each other of discussing or direct-coupling or communication connection can be by some interfaces, the indirect coupling of device or unitClosing or communicate to connect, can be electrically, machinery or other form.
The described unit as separating component explanation can or can not be also physically to separate, aobvious as unitThe parts that show can be or can not be also physical locations, can be positioned at a place, or also can be distributed to multipleOn NE. Can select according to the actual needs some or all of unit wherein to realize the order of the present embodiment scheme.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing unit, also canBe that the independent physics of unit exists, also can be integrated in a unit two or more unit. Above-mentioned integrated listUnit both can adopt the form of hardware to realize, and the form that also can adopt hardware to add SFU software functional unit realizes.
The integrated unit that the above-mentioned form with SFU software functional unit realizes, can be stored in an embodied on computer readable and depositIn storage media. Above-mentioned SFU software functional unit is stored in a storage medium, comprises that some instructions are in order to make a computerEquipment (can be personal computer, server, or the network equipment etc.) is carried out the portion of method described in each embodiment of the present inventionStep by step. And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only storage (Read-OnlyMemory, ROM), withVarious Jie that can be program code stored such as machine access memory (RandomAccessMemory, RAM), magnetic disc or CDMatter.
Finally it should be noted that: above embodiment only, in order to technical scheme of the present invention to be described, is not intended to limit; AlthoughWith reference to previous embodiment, the present invention is had been described in detail, those of ordinary skill in the art is to be understood that: it still canSo that the technical scheme that aforementioned each embodiment was recorded is modified, or part technical characterictic is wherein equal to replacement;And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technical schemes spirit andScope.
Claims (12)
1. a control channel processing method, is characterized in that, comprising:
Terminal receives the demodulated reference signal DMRS sequence that base station sends;
Described terminal, according to the corresponding relation of DMRS sequence and modulation system, is determined the modulation methods corresponding with described DMRS sequenceFormula, described modulation system is used for modulation control channel by base station;
The described terminal utilization modulation system corresponding with described DMRS, detects described control channel.
2. method according to claim 1, is characterized in that, described terminal is corresponding according to DMRS sequence and modulation systemRelation, before determining the modulation system corresponding with described DMRS sequence, described method also comprises:
Described terminal receives the described DMRS sequence of described base station transmission and the corresponding relation of modulation system.
3. a control channel processing method, is characterized in that, comprising:
Terminal generates the channel status instruction of control channel;
Described terminal sends described channel status instruction to base station, described channel status instruction is used for determining and institute by described base stationState channel status and indicate corresponding modulation system;
Described terminal is the corresponding relation with modulation system according to channel status instruction, determines corresponding with described channel status instructionModulation system;
Described terminal utilization is indicated corresponding modulation system with described channel status, and described control channel is detected.
4. method according to claim 3, is characterized in that, described terminal is according to channel status instruction and modulation systemCorresponding relation, determine indicate corresponding modulation system with described channel status before, described method also comprises:
Described terminal receives the described channel status instruction of described base station transmission and the corresponding relation of modulation system.
5. a control channel processing method, is characterized in that, comprising:
Base station is identified for the modulation system of modulation control channel;
Described base station, according to the corresponding relation of modulation system and demodulated reference signal DMRS sequence, obtains and described modulation system pairThe DMRS sequence of answering;
Described base station sends described DMRS sequence to terminal, and described DMRS sequence is used for determining and described DMRS order by described terminalBe listed as corresponding modulation system;
Described base station utilizes described modulation system, modulates described control channel.
6. method according to claim 5, is characterized in that, described method also comprises:
Described base station sends the corresponding relation of described modulation system and DMRS sequence to described terminal.
7. a terminal, is characterized in that, comprising:
Receiving element, the demodulated reference signal DMRS sequence sending for receiving base station;
Determining unit, for according to the corresponding relation of DMRS sequence and modulation system, determines the tune corresponding with described DMRS sequenceMode processed, described modulation system is used for modulation control channel by base station;
Detecting unit, for utilizing the modulation system corresponding with described DMRS, detects described control channel.
8. terminal according to claim 7, is characterized in that, described receiving element also for
Receive the described DMRS sequence of described base station transmission and the corresponding relation of modulation system.
9. a terminal, is characterized in that, comprising:
Generation unit, for generating the channel status instruction of control channel;
Transmitting element, for send described channel status instruction to base station, described channel status instruction is used for really by described base stationDetermine to indicate corresponding modulation system with described channel status;
Determining unit, for the corresponding relation with modulation system according to channel status instruction, determines and described channel status instructionCorresponding modulation system;
Detecting unit, indicates corresponding modulation system for utilizing with described channel status, and described control channel is detected.
10. terminal according to claim 9, is characterized in that, described terminal also comprises receiving element, for
Receive the described channel status instruction of described base station transmission and the corresponding relation of modulation system.
11. 1 kinds of base stations, is characterized in that, comprising:
Determining unit, for being identified for the modulation system of modulation control channel;
Obtain unit, for according to the corresponding relation of modulation system and demodulated reference signal DMRS sequence, obtain and described modulationThe DMRS sequence that mode is corresponding;
Transmitting element, for send described DMRS sequence to terminal, described DMRS sequence by described terminal for determine with described inThe modulation system that DMRS sequence is corresponding;
Modulating unit, for utilizing described modulation system, modulates described control channel.
12. base stations according to claim 11, is characterized in that, described transmitting element is also for sending institute to described terminalState the corresponding relation of modulation system and DMRS sequence.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210107632.9A CN103379511B (en) | 2012-04-13 | 2012-04-13 | Control channel processing method and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210107632.9A CN103379511B (en) | 2012-04-13 | 2012-04-13 | Control channel processing method and equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103379511A CN103379511A (en) | 2013-10-30 |
| CN103379511B true CN103379511B (en) | 2016-05-25 |
Family
ID=49463963
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210107632.9A Expired - Fee Related CN103379511B (en) | 2012-04-13 | 2012-04-13 | Control channel processing method and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103379511B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109245844B (en) * | 2017-06-30 | 2020-11-03 | 华为技术有限公司 | Wireless communication method, device and system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667881A (en) * | 2008-09-02 | 2010-03-10 | 大唐移动通信设备有限公司 | Method and device for verifying decoding of shared information channel of high-speed downlink shared channel |
| WO2011016805A1 (en) * | 2009-08-05 | 2011-02-10 | Andrew Llc | System and method for hybrid location in a cdma2000 network |
| CN102265695A (en) * | 2011-06-17 | 2011-11-30 | 华为技术有限公司 | Scheduling method and device, method and device for processing control information |
-
2012
- 2012-04-13 CN CN201210107632.9A patent/CN103379511B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101667881A (en) * | 2008-09-02 | 2010-03-10 | 大唐移动通信设备有限公司 | Method and device for verifying decoding of shared information channel of high-speed downlink shared channel |
| WO2011016805A1 (en) * | 2009-08-05 | 2011-02-10 | Andrew Llc | System and method for hybrid location in a cdma2000 network |
| CN102265695A (en) * | 2011-06-17 | 2011-11-30 | 华为技术有限公司 | Scheduling method and device, method and device for processing control information |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103379511A (en) | 2013-10-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10681680B2 (en) | Method and device for communicating device-to-device | |
| CN102858014B (en) | Sending and receiving method and equipment of control signaling | |
| JP6529087B2 (en) | Base station apparatus, terminal apparatus and integrated circuit | |
| CN102714569B (en) | Carrier aggregation in wireless communication system | |
| US9344227B2 (en) | Management of ARQ detection threshold in communication networks | |
| JP2018530241A (en) | Method and apparatus for transmitting uplink control information based on PUCCH | |
| CN102869049B (en) | Method for transmitting control channel indication information, base station and user equipment | |
| EP2879427A1 (en) | Method and device for transmitting mcs indication information | |
| CN102223720B (en) | Method and device for transmitting uplink control information on physical uplink shared control channel (PUSCH) | |
| CN103188033B (en) | The method of coding ascending control information and device | |
| CN105227266A (en) | The method of transmitting uplink control information, subscriber equipment and base station | |
| CN103621168A (en) | Downlink-data feedback information transmission method, terminal, and base station | |
| CN104782208A (en) | Method for operating terminal in carrier aggregation system, and apparatus using said method | |
| JP6540968B2 (en) | Base station apparatus, terminal apparatus and communication method | |
| CN104937860A (en) | Method for controlling transmission power of sounding reference signal in wireless communication system and apparatus for same | |
| CN103178942A (en) | Signaling transport method, base station and user equipment | |
| CN101925113B (en) | Transmission processing method and equipment of uplink control channel | |
| CN105471543A (en) | Transmitting device and transmitting method | |
| CN102916785B (en) | Information feedback method, user equipment and base station | |
| CN103181108A (en) | Correct/incorrect response feedback method, user device and system | |
| CN105992379B (en) | Scheduling method and terminal | |
| CN105580289A (en) | Method and apparatus for decoding downlink control information by terminal in wireless communication system | |
| CN103326809A (en) | Notification method and device of power control signaling of physical uplink control channel | |
| WO2016021713A1 (en) | Base station device, terminal device, and method | |
| CN102457363A (en) | Method and equipment for transmitting acknowledgement character (ACK)/negative acknowledgement character (NACK) feedback information |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160525 Termination date: 20190413 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |