CN104521272A - Information obtaining method and base station - Google Patents
Information obtaining method and base station Download PDFInfo
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- CN104521272A CN104521272A CN201380001708.2A CN201380001708A CN104521272A CN 104521272 A CN104521272 A CN 104521272A CN 201380001708 A CN201380001708 A CN 201380001708A CN 104521272 A CN104521272 A CN 104521272A
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Abstract
The invention embodiment provides an information obtaining method and a base station; the method comprises the following steps: determining a first channel and a second channel according to whether an uplink authorization, aiming to a first transmission time interval TTI, is sent to a user device or not, the first channel is different from the second channel, and the first and second channels are respectively being either a physics uplink control channel PUCCH or PUSCH; analyzing a CRC result indication, aiming to the downlink data, sent by the user device from the first channel in the first TTI; if the CRC recult indication cannot be analyzed from the first channel, then analyzing the CRC result indication sent by the user device from the second channel in the first TTI. The information obtaining method and base station can reduce downlink data transmission delay.
Description
Technical field
The present invention relates to the communications field, and more specifically, relate to a kind of information getting method and base station.
Background technology
At Long Term Evolution (Long Term Evolution, LTE) in system, subscriber equipment (User Equipment in community, UE) every Transmission Time Interval (Transmission Time Interval, TTI) all can blind solution Physical Downlink Control Channel (Physical Downlink Control Channel, PDCCH), after resolving PDCCH success, if acquisition uplink authorization, then by cyclic redundancy check (CRC) (the Cyclic Redundancy Check of downlink data, CRC) result instruction (comprises correct response (Acknowledgement, and negative response (Negative Acknowledgement ACK), NACK)), base station is fed back to by the up mode with road, if current TTI does not have uplink authorization, so CRC check result instruction of downlink data, by Physical Uplink Control Channel (Physical UplinkControl Channel, PUCCH) the reserved resource on feeds back to base station, according to the CRC result of feedback, base station determines that descending scheduling is new biography or re-transmission next time.
But, when the every TTI of subscriber equipment blind solution PDCCH, may occur that the uplink authorization of the PDCCH of some TTI is missed or the situation of flase drop, once uplink authorization is missed or flase drop, subscriber equipment may send the instruction of CRC result by the channel of mistake, now, base station will can't detect the CRC result instruction of subscriber equipment transmission, descending discontinuous transmission (DiscontinuousTransmission will be there will be, DTX), downlink data is caused to retransmit, the time delay of such downlink data will increase, directly affect packet the Internet detector (Packet Internet Groper, PING) packet delay, service quality (Quality of Service, QoS) throughput etc. of satisfaction and system.
Summary of the invention
The embodiment of the present invention provides a kind of information getting method and base station, can reduce the time delay of downlink data transmission.
First aspect, provide a kind of information getting method, comprise: according to whether sending the uplink authorization for the first Transmission Time Interval TTI to subscriber equipment, determine the first channel and second channel, wherein, this first channel is PUCCH and this second channel is Physical Uplink Shared Channel (Physical UplinkShared Channel, PUSCH), or this first channel is PUSCH and this second channel is PUCCH; Resolve from this first channel the cyclic redundancy check (CRC) result instruction that this subscriber equipment sends for downlink data at a TTI; When indicating from the parsing of this first channel less than this CRC result, resolve this CRC result instruction of this subscriber equipment transmission at a TTI from this second channel.
In conjunction with first aspect, in the first possible implementation of first aspect, this determines the first channel and second channel, comprising: when sending this uplink authorization to this subscriber equipment, this PUSCH is defined as this first channel and this PUCCH is defined as this second channel.
In conjunction with the first possible implementation of first aspect or first aspect, in the implementation that the second of first aspect is possible, this determines the first channel and second channel, comprising: when not sending this uplink authorization to this subscriber equipment, this PUCCH being defined as this first channel and this PUSCH is defined as this second channel.
In conjunction with first aspect, the first possible implementation of first aspect or the possible implementation of the second of first aspect, in the third possible implementation of first aspect, the method also comprises: when resolving this CRC result instruction sent less than this subscriber equipment from this second channel, retransmit this downlink data at the 2nd TTI to stating subscriber equipment.
Second aspect, provide a kind of base station, comprise: determination module, whether the uplink authorization for the first Transmission Time Interval TTI is sent to subscriber equipment for basis, determine the first channel and second channel, this first channel is different from this second channel, wherein, this first channel is PUCCH and this second channel is PUSCH, or this first channel is PUSCH and this second channel is PUCCH; Parsing module, for resolving from this first channel the cyclic redundancy check (CRC) result instruction that this subscriber equipment sends for downlink data at a TTI, and when indicating from the parsing of this first channel less than this CRC result, resolve this CRC result instruction of this subscriber equipment transmission at a TTI from this second channel.
In conjunction with second aspect, in the first possible implementation of second aspect, this determination module specifically for: when sending this uplink authorization to this subscriber equipment in this base station, this PUSCH is defined as this first channel and this PUCCH is defined as this second channel.
In conjunction with the first possible implementation of second aspect or second aspect, in the implementation that the second of second aspect is possible, this determination module specifically for: when not sending this uplink authorization to this subscriber equipment in this base station, this PUCCH is defined as this first channel and this PUSCH is defined as this second channel.
In conjunction with second aspect, the first possible implementation of second aspect or the possible implementation of the second of second aspect, in the third possible implementation of second aspect, this base station also comprises: retransmission module, for when this parsing module resolves from this second channel this CRC result instruction sent less than this subscriber equipment, retransmit this downlink data at the 2nd TTI to stating subscriber equipment.
The third aspect, provide a kind of base station, comprise memory and processor, wherein, this memory storage code, the following operation of code execution that this processor stores for calling this memory: according to whether sending the uplink authorization for the first Transmission Time Interval TTI to subscriber equipment, determine the first channel and second channel, wherein, this first channel is PUCCH and this second channel is PUSCH, or this first channel is PUSCH and this second channel is PUCCH; Resolve from this first channel the cyclic redundancy check (CRC) result instruction that this subscriber equipment sends for downlink data at a TTI; When indicating from the parsing of this first channel less than this CRC result, resolve this CRC result instruction of this subscriber equipment transmission at a TTI from this second channel.
In conjunction with the third aspect, in the first possible realization of the third aspect, this processor specifically performs following operation for the code calling the storage of this memory: when sending this uplink authorization to this subscriber equipment in this base station, this PUSCH is defined as this first channel and this PUCCH is defined as this second channel.
In conjunction with the first possible realization of the third aspect or the third aspect, in the implementation that the second of the third aspect is possible, the following operation of code execution that this processor stores for calling this memory: when not sending this uplink authorization to this subscriber equipment in this base station, this PUCCH is defined as this first channel and this PUSCH is defined as this second channel.
In conjunction with the third aspect, the first possible implementation of the third aspect or the possible implementation of the second of the third aspect, in the third possible implementation of the third aspect, this processor also performs following operation for the code calling the storage of this memory: when resolving this CRC result instruction sent less than this subscriber equipment from this second channel, retransmit this downlink data at the 2nd TTI to stating subscriber equipment.
Therefore, in embodiments of the present invention, base station is passed through based on whether sending the uplink authorization for a TTI to subscriber equipment, determine the first channel and be different from the second channel of the first channel, this first channel and this second channel are respectively the one in PUCCH and PUSCH, and when the first channel resolves the CRC result instruction sent less than subscriber equipment, the CRC result instruction of subscriber equipment transmission is resolved at second channel, subscriber equipment can be solved undetected, the descending DTX that flase drop or void are examined the uplink authorization in PDCCH and caused, reduce the time delay of downlink data transmission, thus reduce PING packet delay, promote QoS satisfaction and improve the throughput of system.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme of the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the indicative flowchart of the information getting method according to the embodiment of the present invention.
Fig. 2 is the indicative flowchart of information access process according to another embodiment of the present invention.
Fig. 3 is the indicative flowchart of base station according to another embodiment of the present invention.
Fig. 4 is the schematic block diagram of base station according to another embodiment of the present invention.
Fig. 5 is the schematic block diagram of base station according to another embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Although can leak by reducing subscriber equipment to descending PDCCH scrambling the probability separated or misread to PDCCH, and then reduce the probability of descending DTX, but this method thoroughly can not solve PDCCH leaks the problem of separating or misreading, simultaneously because the scrambling of PDCCH also can produce interference to other subscriber equipmenies, other subscriber equipmenies are interfered also may occur that PDCCH is undetected, the situation of flase drop or empty inspection, and wastes the transmitting power of base station.
Fig. 1 is the indicative flowchart of the information getting method 100 according to the embodiment of the present invention.The method 100 can be performed by base station.As shown in Figure 1, the method 100 comprises:
S110, send the uplink authorization for a TTI to subscriber equipment according to whether, determine the first channel and second channel, wherein, this first channel is PUCCH and this second channel is PUSCH, or this first channel is PUSCH and this second channel is PUCCH.
S120, resolve from this first channel the CRC result instruction that this subscriber equipment sends for downlink data at a TTI, this CRC result is designated as correct response ACK or negative response NACK.
S130, when indicating less than this CRC result in the parsing of this first channel, resolves this CRC result instruction of this subscriber equipment transmission at a TTI from this second channel.
Therefore, in embodiments of the present invention, base station is passed through based on whether sending the uplink authorization for a TTI to subscriber equipment, determine the first channel and be different from the second channel of the first channel, this first channel and this second channel are respectively the one in PUCCH and PUSCH, and when the first channel resolves the CRC result instruction sent less than subscriber equipment, the CRC result instruction of subscriber equipment transmission is resolved at second channel, subscriber equipment can be solved undetected, the descending DTX that flase drop or void are examined the uplink authorization in PDCCH and caused, reduce the time delay of downlink data transmission, thus reduce PING packet delay, promote QoS satisfaction and improve the throughput of system.And the interference produced for other subscriber equipmenies can be reduced further, and reduce the transmitting power of base station.
In embodiments of the present invention, determining in S110 that the first channel and second channel can comprise: when sending this uplink authorization to this subscriber equipment, this PUSCH being defined as this first channel and this PUCCH is defined as this second channel.Particularly, determine that the first channel and second channel can comprise: when sending this uplink authorization to this subscriber equipment in S110, this PUSCH indicated by this uplink authorization is defined as this first channel and this PUCCH is defined as this second channel.
Specifically, four TTI of subscriber equipment before a TTI does not detect (undetected) uplink authorization, in the reserved resource of PUCCH, the instruction of the CRC result of the downlink data of the TTI of the 4th is before sent to base station by a TTI.The layer 2(Layer2 of base station, L2) scheduler module is when determining to send the uplink authorization for a TTI to subscriber equipment, then PUSCH can be defined as the first channel, and PUCCH is defined as second channel, and CRC result that subscriber equipment sends for downlink data indicates to indicate baseband module first to resolve on the PUSCH of uplink authorization instruction, and instruction baseband module is resolved when indicating less than this CRC result on PUSCH, the predetermined resource on PUCCH is resolved the CRC result that subscriber equipment sends for downlink data.First the baseband module of base station can resolve according to the instruction of layer 2 scheduler module the CRC result that subscriber equipment sends for downlink data and indicate on the PUSCH of uplink authorization instruction, if resolve the CRC result instruction sent for downlink data less than subscriber equipment on PUSCH, then on PUCCH, resolve the CRC result instruction that subscriber equipment sends for downlink data.Wherein, the reserved resource on the PUCCH that specifically can specify in agreement is resolved the CRC result instruction that this subscriber equipment sends.Therefore, the descending DTX caused due to the uplink authorization of subscriber equipment undetected base station transmission can be solved, thus, reduce the time delay of downlink data transmission.
In embodiments of the present invention, in S110, determine the first channel and second channel, can comprise: when not sending this uplink authorization to this subscriber equipment, this PUCCH is defined as this first channel and this PUSCH is defined as this second channel.
Specifically, four TTI of subscriber equipment before a TTI detects (when empty inspection) uplink authorization, by at a TTI, the instruction of the CRC result of the downlink data of the TTI of the 4th is before sent to base station (that is, being sent to base station by the up mode with road) with upstream data by PUSCH.The layer 2(Layer2 of base station, L2) scheduler module is when determining not send the uplink authorization for a TTI to subscriber equipment, then PUCCH can be defined as the first channel, and PUSCH is defined as second channel, and indicate baseband module on PUCCH, first to resolve subscriber equipment for the instruction of downlink data transmission CRC result, and when indicating baseband module to resolve the CRC result instruction sent for downlink data less than subscriber equipment on PUCCH, PUSCH resolves the CRC result that subscriber equipment sends for downlink data.First the baseband module of base station can resolve according to the instruction of layer 2 scheduler module the CRC result instruction that subscriber equipment sends for downlink data on PUCCH, if resolve the CRC result instruction sent for downlink data less than subscriber equipment on PUCCH, then on PUSCH, resolve the CRC result that subscriber equipment sends for downlink data.Therefore, the descending DTX caused due to the uplink authorization of subscriber equipment void inspection base station transmission can be solved, thus, reduce the time delay of downlink data transmission.
In embodiments of the present invention, if base station sends the uplink authorization for a TTI to subscriber equipment, the PUSCH that the uplink authorization that base station can send in base station is corresponding resolves the CRC result instruction that subscriber equipment sends for downlink data; If when not being resolved to the instruction of CRC result on the PUSCH that the uplink authorization of base station transmission is corresponding, the instruction of CRC result can be resolved on the PUSCH of other positions; Or, if when not being resolved to the instruction of CRC result on the PUSCH that the uplink authorization of base station transmission is corresponding, by the CRC result instruction of resolving subscriber equipment sending for downlink data on PUCCH, if be not resolved to, then can detect the CRC result instruction that subscriber equipment sends for downlink data on the PUSCH of other positions corresponding to non-uplink authorization.Thus solve the descending DTX caused due to the uplink authorization of subscriber equipment flase drop base station transmission, thus, reduce the time delay of downlink data transmission.
In embodiments of the present invention, if the CRC result instruction sent less than subscriber equipment is all resolved in base station at the first channel and second channel, then can at the 2nd TTI to subscriber equipment retransmission downlink data.Now, the 2nd TTI can be the 4th TTI after a TTI.
Therefore, in embodiments of the present invention, base station is passed through based on whether sending the uplink authorization for a TTI to subscriber equipment, determine the first channel and be different from the second channel of the first channel, this first channel and this second channel are respectively the one in PUCCH and PUSCH, and when the first channel resolves the CRC result instruction sent less than subscriber equipment, the CRC result instruction of subscriber equipment transmission is resolved at second channel, subscriber equipment can be solved undetected, the descending DTX that misunderstanding or void are examined the uplink authorization in PDCCH and caused, reduce the time delay of downlink data transmission, thus reduce PING packet delay, promote QoS satisfaction and improve the throughput of system.And the interference produced for other subscriber equipmenies can be reduced further, and reduce the transmitting power of base station.
Fig. 2 is the indicative flowchart of information access process according to another embodiment of the present invention.The method of Fig. 2 is the example of the method for Fig. 1.
210, four TTI of base station before a TTI send PDCCH and downlink data to subscriber equipment.Wherein, if need subscriber equipment to send upstream data at a TTI, the uplink authorization for a TTI can be carried in base station in this PDCCH; If do not need subscriber equipment to send upstream data at a TTI, then in this PDCCH, do not carry the uplink authorization for a TTI.
220, base station determines whether to send the uplink authorization for a TTI to subscriber equipment.If send the uplink authorization for a TTI to subscriber equipment, then perform step 230, otherwise, then perform step 240.
230, PUSCH is defined as the first channel and PUCCH is defined as second channel by base station.Following execution step 250.Specifically, the PUSCH that uplink authorization indicates can be defined as the first channel by base station.
240, PUCCH is defined as the first channel and PUSCH is defined as second channel by base station.Following execution step 250.
250, base station resolves from described first channel the cyclic redundancy check (CRC) result instruction that described subscriber equipment sends for downlink data at a described TTI.
Wherein, first channel can be whole PUSCH, and now, the instruction of CRC result can be resolved in base station on the PUSCH of uplink authorization instruction, if when on the PUSCH of uplink authorization instruction, parsing indicates less than CRC result, the instruction of CRC result can be resolved in base station on the PUSCH of other position.Certainly, the first channel also can be the PUSCH of uplink authorization instruction, and namely the instruction of CRC result is only resolved in base station on the PUSCH of uplink authorization instruction.When the first channel is PUCCH, the instruction of CRC result the reserved resource on PUCCH can be resolved in base station.
260, base station determines whether to be resolved to the instruction of CRC result from described first channel.If base station is not resolved to the instruction of CRC result from described first channel, then perform step 280, otherwise perform step 270.
270, base station resolves the described CRC result instruction of subscriber equipment transmission at a TTI from second channel.
Wherein, when second channel is PUCCH, the instruction of CRC result the reserved resource on PUCCH can be resolved in base station,
280, carry out data re-transmission according to analysis result or send new data.That is, if be not resolved to the instruction of CRC result or CRC result is designated as NACK, then can executing data retransmission, if be resolved to the instruction of CRC result, and CRC result is designated as ACK, then send new data.
Should understand, Fig. 2 shows the concrete implementation according to the embodiment of the present invention, the embodiment of the present invention can also have other implementation, such as, if the first channel is the PUSCH of uplink authorization instruction, second channel is PUCCH, if base station is not resolved to the instruction of CRC result on PUCCH, and when only resolving the instruction of CRC result in step 260 on the PUSCH of uplink authorization instruction, base station can also resolve the instruction of CRC result further on the PUSCH of other position.
Therefore, in embodiments of the present invention, base station is passed through based on whether sending the uplink authorization for a TTI to subscriber equipment, determine the first channel and be different from the second channel of the first channel, this first channel and this second channel are respectively the one in PUCCH and PUSCH, and when the first channel resolves the CRC result instruction sent less than subscriber equipment, the CRC result instruction of subscriber equipment transmission is resolved at second channel, subscriber equipment can be solved undetected, the descending DTX that misunderstanding or void are examined the uplink authorization in PDCCH and caused, reduce the time delay of downlink data transmission, thus reduce PING packet delay, promote QoS satisfaction and improve the throughput of system.And the interference produced for other subscriber equipmenies can be reduced further, and reduce the transmitting power of base station.
Below composition graphs 1 describes the information getting method according to the embodiment of the present invention.Below with reference to Fig. 3 to Fig. 5, the base station according to the embodiment of the present invention is described.
Fig. 3 is the schematic block diagram of the base station 300 according to the embodiment of the present invention.As shown in Figure 3, this base station 300 comprises determining unit 310 and resolution unit 320.Wherein, determining unit 310 is according to whether sending the uplink authorization for the first Transmission Time Interval TTI to subscriber equipment, determine the first channel and second channel, wherein, this first channel is PUCCH and this second channel is PUSCH, or this first channel is PUSCH and this second channel is PUCCH; Resolution unit 320 resolves from this first channel the cyclic redundancy check (CRC) result instruction that this subscriber equipment sends for downlink data at a TTI, and when indicating from the parsing of this first channel less than this CRC result, resolve this CRC result instruction of this subscriber equipment transmission at a TTI from this second channel.
Particularly, when this determining unit 310 sends this uplink authorization to this subscriber equipment in this base station, this PUSCH can be defined as this first channel and this PUCCH is defined as this second channel.
Particularly, when this determining unit 310 does not send this uplink authorization to this subscriber equipment in this base station, this PUCCH can be defined as this first channel and this PUSCH is defined as this second channel.
Fig. 4 is the schematic block diagram of base station 400 according to another embodiment of the present invention.As shown in Figure 4, this base station 400 comprises determining unit 310 and resolution unit 320.
Alternatively, as shown in Figure 4, this base station 400 also comprises retransmission unit 330.This retransmission unit 330, when resolving from this second channel this CRC result instruction sent less than this subscriber equipment when this resolution unit 320, retransmits this downlink data at the 2nd TTI to stating subscriber equipment.
Therefore, in embodiments of the present invention, base station is passed through based on whether sending the uplink authorization for a TTI to subscriber equipment, determine the first channel and be different from the second channel of the first channel, this first channel and this second channel are respectively the one in PUCCH and PUSCH, and when the first channel resolves the CRC result instruction sent less than subscriber equipment, the CRC result instruction of subscriber equipment transmission is resolved at second channel, subscriber equipment can be solved undetected, the descending DTX that flase drop or void are examined the uplink authorization in PDCCH and caused, reduce the time delay of downlink data transmission, thus reduce PING packet delay, promote QoS satisfaction and improve the throughput of system.And the interference produced for other subscriber equipmenies can be reduced further, and reduce the transmitting power of base station.
Fig. 5 is the schematic block diagram of base station 500 according to another embodiment of the present invention.As shown in Figure 5, this base station 500 comprises memory 510 and processor 520.Wherein this memory 510 storage code, the following operation of code execution that this processor 520 stores for calling this memory 510: according to whether sending the uplink authorization for the first Transmission Time Interval TTI to subscriber equipment, determine the first channel and second channel, wherein, this first channel is PUCCH and this second channel is PUSCH, or this first channel is PUSCH and this second channel is PUCCH; Resolve from this first channel the cyclic redundancy check (CRC) result instruction that this subscriber equipment sends for downlink data at a TTI; When indicating from the parsing of this first channel less than this CRC result, resolve this CRC result instruction of this subscriber equipment transmission at a TTI from this second channel.
Alternatively, this processor 520 specifically performs following operation for the code calling the storage of this memory 510: when this base station 500 sends this uplink authorization to this subscriber equipment, this PUSCH is defined as this first channel and this PUCCH is defined as this second channel.
Alternatively, this processor 520 performs following operation for the code calling the storage of this memory 510: when this base station 500 does not send this uplink authorization to this subscriber equipment, this PUCCH is defined as this first channel and this PUSCH is defined as this second channel.
Alternatively, this processor 520 also performs following operation for the code calling the storage of this memory 510: when resolving this CRC result instruction sent less than this subscriber equipment from this second channel, retransmit this downlink data at the 2nd TTI to stating subscriber equipment.
Therefore, in embodiments of the present invention, base station is passed through based on whether sending the uplink authorization for a TTI to subscriber equipment, determine the first channel and be different from the second channel of the first channel, this first channel and this second channel are respectively the one in PUCCH and PUSCH, and when the first channel resolves the CRC result instruction sent less than subscriber equipment, the CRC result instruction of subscriber equipment transmission is resolved at second channel, subscriber equipment can be solved undetected, the descending DTX that flase drop or void are examined the uplink authorization in PDCCH and caused, reduce the time delay of downlink data transmission, thus reduce PING packet delay, promote QoS satisfaction and improve the throughput of system.And the interference produced for other subscriber equipmenies can be reduced further, and reduce the transmitting power of base station.
Those of ordinary skill in the art can recognize, in conjunction with unit and the algorithm steps of each example of embodiment disclosed herein description, can realize with the combination of electronic hardware or computer software and electronic hardware.These functions perform with hardware or software mode actually, depend on application-specific and the design constraint of technical scheme.Professional and technical personnel can use distinct methods to realize described function to each specifically should being used for, but this realization should not thought and exceeds scope of the present invention.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, device and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
In several embodiments that the application provides, should be understood that disclosed system, apparatus and method can realize by another way.Such as, device embodiment described above is only schematic, such as, the division of described unit, be only a kind of logic function to divide, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of device or unit or communication connection can be electrical, machinery or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed in multiple network element.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.
If described function using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part of the part that technical scheme of the present invention contributes to prior art in essence in other words or this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprising some instructions in order to make a computer equipment (can be personal computer, server, or the network equipment etc.) perform all or part of step of method described in each embodiment of the present invention.And aforesaid storage medium comprises: USB flash disk, portable hard drive, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. various can be program code stored medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.
Claims (12)
1. an information getting method, is characterized in that, comprising:
According to whether sending the uplink authorization for the first Transmission Time Interval TTI to subscriber equipment, determine the first channel and second channel, wherein, described first channel is Physical Uplink Control Channel PUCCH and described second channel is Physical Uplink Shared Channel PUSCH, or described first channel is PUSCH and described second channel is PUCCH;
Resolve from described first channel the cyclic redundancy check (CRC) result instruction that described subscriber equipment sends for downlink data at a described TTI;
When resolving less than described CRC result instruction from described first channel, resolve the described CRC result instruction of described subscriber equipment transmission at a described TTI from described second channel.
2. method according to claim 1, is characterized in that, describedly determines the first channel and second channel, comprising:
When sending described uplink authorization to described subscriber equipment, described PUSCH being defined as described first channel and described PUCCH is defined as described second channel.
3. method according to claim 1 and 2, is characterized in that, describedly determines the first channel and second channel, comprising:
When not sending described uplink authorization to described subscriber equipment, described PUCCH being defined as described first channel and described PUSCH is defined as described second channel.
4. according to the method in any one of claims 1 to 3, it is characterized in that, described method also comprises:
When resolving the described CRC result instruction sent less than described subscriber equipment from described second channel, retransmit described downlink data at the 2nd TTI to stating subscriber equipment.
5. a base station, is characterized in that, comprising:
Determining unit, whether the uplink authorization for the first Transmission Time Interval TTI is sent to subscriber equipment for basis, determine the first channel and second channel, wherein, described first channel is Physical Uplink Control Channel PUCCH and described second channel is Physical Uplink Shared Channel PUSCH, or described first channel is PUSCH and described second channel is PUCCH;
Resolution unit, for resolving from described first channel the cyclic redundancy check (CRC) result instruction that described subscriber equipment sends for downlink data at a described TTI, and when resolving less than described CRC result instruction from described first channel, resolve the described CRC result instruction of described subscriber equipment transmission at a described TTI from described second channel.
6. base station according to claim 5, is characterized in that, described determining unit specifically for:
When sending described uplink authorization to described subscriber equipment in described base station, described PUSCH is defined as described first channel and described PUCCH is defined as described second channel.
7. the base station according to claim 5 or 6, is characterized in that, described determining unit specifically for:
When not sending described uplink authorization to described subscriber equipment in described base station, described PUCCH is defined as described first channel and described PUSCH is defined as described second channel.
8. the base station according to any one of claim 5 to 7, is characterized in that, described base station also comprises:
Retransmission unit, for when described resolution unit resolves from described second channel the described CRC result instruction sent less than described subscriber equipment, retransmits described downlink data at the 2nd TTI to stating subscriber equipment.
9. a base station, is characterized in that, comprises memory and processor, wherein, described memory storage code, the following operation of code execution that described processor stores for calling described memory:
According to whether sending the uplink authorization for the first Transmission Time Interval TTI to subscriber equipment, determine the first channel and second channel, wherein, described first channel is Physical Uplink Control Channel PUCCH and described second channel is Physical Uplink Shared Channel PUSCH, or described first channel is PUSCH and described second channel is PUCCH;
Resolve from described first channel the cyclic redundancy check (CRC) result instruction that described subscriber equipment sends for downlink data at a described TTI;
When resolving less than described CRC result instruction from described first channel, resolve the described CRC result instruction of described subscriber equipment transmission at a described TTI from described second channel.
10. base station according to claim 9, is characterized in that, described processor specifically performs following operation for the code calling the storage of described memory:
When sending described uplink authorization to described subscriber equipment in described base station, described PUSCH is defined as described first channel and described PUCCH is defined as described second channel.
11. base stations according to claim 9 or 10, is characterized in that, described processor performs following operation for the code calling described memory and store:
When not sending described uplink authorization to described subscriber equipment in described base station, described PUCCH is defined as described first channel and described PUSCH is defined as described second channel.
12. base stations according to any one of claim 9 to 11, is characterized in that, described processor also performs following operation for the code calling described memory and store:
When resolving the described CRC result instruction sent less than described subscriber equipment from described second channel, retransmit described downlink data at the 2nd TTI to stating subscriber equipment.
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