CN102420669A - Physical downlink control channel configuration method as well as user equipment and base station - Google Patents
Physical downlink control channel configuration method as well as user equipment and base station Download PDFInfo
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- CN102420669A CN102420669A CN2010102967016A CN201010296701A CN102420669A CN 102420669 A CN102420669 A CN 102420669A CN 2010102967016 A CN2010102967016 A CN 2010102967016A CN 201010296701 A CN201010296701 A CN 201010296701A CN 102420669 A CN102420669 A CN 102420669A
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Abstract
The invention provides a physical downlink control channel configuration method as well as user equipment and a base station. The method comprises the following steps: judging whether the user equipment needs to be triggered to send a measurement reference signal; configuring a bit used for triggering SRS (Sounding Reference Signal) in a physical downlink control channel into a non-triggering state when the user equipment does not need to be triggered to send the measurement reference signal; carrying other control information except measurement reference signal configuration information in the bit used for configuring the measurement reference signal in the physical downlink control channel; and sending the configured physical downlink control channel to the user equipment so as to provide the other control information for the user equipment. The configuration method and the user equipment as well as the base station thereof disclosed by the invention are used for improving the utilization ratio of the bit originally used for triggering SRS in the PDCCH (physical downlink control channel).
Description
Technical field
The embodiment of the invention relates to communication technical field, relate in particular to a kind of Physical Downlink Control Channel collocation method, be configured method and subscriber equipment and base station through Physical Downlink Control Channel.
Background technology
Long Term Evolution (Long Term Evolution; Be called for short: LTE) (the User Equipment of the subscriber equipment in the technology; Be called for short: UE) need be to base station (eNB) transmission measurement reference signal (Sounding Reference Signal; Be called for short: SRS),, thereby realize functions such as frequency selective scheduling, link circuit self-adapting so that eNB obtains uplink channel information according to the SRS that receives.
Further Long Term Evolution (Long Term Evolution-Advanced; Be called for short: LTE-A) system is the further evolution of LTE system.In the LTE-A system, UE can support many antenna emissions in uplink.Under many antennas emission mode; Because eNB will measure each antenna port of UE; Thereby make each antenna port all send SRS; And then caused the increase in demand of SRS resource, therefore, the base station is through Physical Downlink Control Channel (Physical Downlink Control Channel in the prior art; Be called for short: PDCCH) send trigger messages and trigger UE and send dynamic aperiodic of SRS, reduce the demand of SRS resource with this.Particularly, in a PDCCH, comprise several existing bit (bit) information bits, these several existing bit information bit can be referred to as existing bit; Should existing bit information bit can comprise the required control informations of transmission such as physical source distributing information, modulation system information, for example: up/downlink transmission mode control information or up/downlink resource control information etc.; Simultaneously, can also comprise among this PDCCH that N bit information bit is used for SRS and triggers configuration etc., concrete, 1 bit information bit in this N bit information bit can be referred to as to trigger bit, and it comprises the control information that whether triggers SRS; Other N-1 bit information bits can be referred to as to dispose bit, and it comprises the control information of the emission parameter that disposes SRS; Wherein, the emission parameter of SRS can comprise the information such as bandwidth, frequency band position of SRS.
In realizing process of the present invention, the inventor finds to exist at least in the prior art following problem: when eNB need not trigger UE transmission SRS to this eNB, then dispose bit and will lose original effect, cause the wasting of resources.
Summary of the invention
The embodiment of the invention provides a kind of collocation method and subscriber equipment and base station of Physical Downlink Control Channel, in order to improve the utilance of the bit that is used to trigger SRS among the PDCCH originally.
The embodiment of the invention provides a kind of collocation method of Physical Downlink Control Channel, comprising:
Judge whether that needing to trigger subscriber equipment sends measuring reference signals;
In the time need not triggering said subscriber equipment and send said measuring reference signals, be non-triggering state then with the bit configuration that is used to trigger measuring reference signals in the Physical Downlink Control Channel; And the bit that in said Physical Downlink Control Channel, is used for the allocating and measuring reference signal carries other control informations beyond the measuring reference signals configuration information;
The Physical Downlink Control Channel that sends after disposing is given said subscriber equipment, so that said other control informations to be provided to said subscriber equipment.
The embodiment of the invention also provides a kind of and is configured method through Physical Downlink Control Channel, comprising:
Receive the Physical Downlink Control Channel that send the base station;
Judge whether the bit that is used to trigger measuring reference signals in the said Physical Downlink Control Channel is the triggering state;
When the said bit that is used to trigger measuring reference signals is non-triggering state, then obtain other control information beyond the measuring reference signals configuration information that the bit that is used for the allocating and measuring reference signal in the said Physical Downlink Control Channel carries;
According to said other control information, carry out disposing accordingly with said other control information.
The embodiment of the invention provides a kind of base station, comprising:
Judge module is used to judge whether that needs trigger subscriber equipment and send measuring reference signals;
First configuration module is used in the time need not triggering said subscriber equipment and send said measuring reference signals, is non-triggering state with the bit configuration that is used to trigger measuring reference signals in the Physical Downlink Control Channel then; And the bit that in said Physical Downlink Control Channel, is used for the allocating and measuring reference signal carries other control informations beyond the measuring reference signals configuration information;
Sending module, the Physical Downlink Control Channel that is used to send after the configuration is given said subscriber equipment, so that said other control informations to be provided to said subscriber equipment.
The embodiment of the invention provides a kind of subscriber equipment, comprising:
First receiver module is used to receive the Physical Downlink Control Channel that send the base station;
Processing module is used for judging whether the bit that said Physical Downlink Control Channel is used to trigger measuring reference signals is the triggering state;
Acquisition module; Be used for when the said bit that is used to trigger measuring reference signals is non-triggering state, then obtain other control informations beyond the measuring reference signals configuration information that the bit that is used for the allocating and measuring reference signal in the said Physical Downlink Control Channel carries;
Second configuration module is used for according to said other control informations, carries out disposing accordingly with said other control informations.
In embodiments of the present invention; The base station is in the time need not triggering UE transmission measuring reference signals; Be used to dispose other control informations that the bit of SRS carries beyond the SRS configuration information among the PDCCH capable of using and send to UE, can improve the utilance of the bit that is used to trigger SRS among the PDCCH originally effectively.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do one to the accompanying drawing of required use in embodiment or the description of the Prior Art below introduces simply; Obviously, the accompanying drawing in describing below is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the flow chart of an embodiment of the collocation method of Physical Downlink Control Channel provided by the invention;
Fig. 2 is the flow chart of another embodiment of the collocation method of Physical Downlink Control Channel provided by the invention;
Fig. 3 is the flow chart that is configured an embodiment of method through Physical Downlink Control Channel provided by the invention;
Fig. 4 is the structural representation of an embodiment of base station provided by the invention;
Fig. 5 is the structural representation of an embodiment of subscriber equipment provided by the invention;
Fig. 6 is the structural representation of an embodiment of the configuration-system of Physical Downlink Control Channel provided by the invention.
Embodiment
For the purpose, technical scheme and the advantage that make the embodiment of the invention clearer; To combine the accompanying drawing in the embodiment of the invention below; Technical scheme in the embodiment of the invention is carried out clear, intactly description; Obviously, described embodiment is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
Fig. 1 is the flow chart of an embodiment of the collocation method of Physical Downlink Control Channel provided by the invention, and as shown in Figure 1, the method for present embodiment comprises:
In the present embodiment, eNB can judge whether UE need send SRS and give eNB as the case may be.Wherein, this concrete condition can comprise: support the uplink form to select, obtain the situation such as information of synchronization time difference or acquisition frequency degree of recruiting.
In the present embodiment, when eNB does not trigger UE transmission SRS, with the bit that is used to trigger SRS among the PDCCH; Promptly trigger bit; Be configured to non-triggering state, said non-triggering state can not trigger UE and send SRS, and will in PDCCH, be used to dispose the bit of SRS; Promptly dispose bit, carry other control informations beyond the SRS configuration information.Wherein, these other control informations can comprise the information, the information that is used to carry out scheduling downlink resource that are used to carry out ascending resource scheduling, are used to carry out information that uplink transmission mode selects, are used to carry out the information of downlink transfer model selection or are used to trigger aperiodic channel status information (Channel State Information; Be called for short: the information that CSI) reports etc.For instance; When control information is the information that is used to carry out ascending resource scheduling; Then do to the concrete implementation of carrying other control informations among the configuration bit among this PDCCH; The information bit that disposes among this configuration bit is the ascending resource scheduling information bit, owing to also dispose the ascending resource scheduling information bit in the existing bit, has therefore increased the precision of ascending resource scheduling effectively.
It should be noted that; Control information stored is relevant among the existing bit among this control information and the PDCCH; For instance; When control information stored among the existing bit comprises the information that is used to carry out ascending resource scheduling, is used to carry out the information that uplink transmission mode selects and when being used to trigger the information that aperiodic, CSI reported, carry-on other control informations of bit that then are used for disposing SRS among the PDCCH can be specially the information that is used to carry out ascending resource scheduling, be used to carry out the information that uplink transmission mode selects or be used to trigger the information that aperiodic, CSI reported; When control information stored among the existing bit comprises the information that is used to carry out scheduling downlink resource, is used to carry out the information of downlink transfer model selection and when being used to trigger the information that aperiodic, CSI reported, then be used for disposing other control informations that the bit of SRS can dispose among the PDCCH and can be specially the information that is used to carry out scheduling downlink resource, be used to carry out the information of downlink transfer model selection or be used to trigger the information that aperiodic, CSI reported.Need to prove; Control information is not limited in the present embodiment; Those skilled in the art can actual conditions need; Control information is set arbitrarily; When not using the triggering bit among the PDCCH to trigger SRS; When promptly triggering bit and be non-triggering state, then being used among the configuration bit indicates those bits of the emission parameter of SRS will be idle among the PDCCH, the information that can make these idle bits be used for triggering to be used to carry out ascending resource scheduling, is used to carry out information, the information that is used to carry out scheduling downlink resource that uplink transmission mode selects, is used to carry out the information of downlink transfer model selection or is used to trigger any of information that aperiodic, CSI reported.
In addition, in the present embodiment, when eNB did not trigger UE transmission SRS, the triggering bit that then can dispose among the PDCCH represented non-triggering state for " 0 "; When eNB triggered UE transmission SRS, the triggering bit that then can dispose among the PDCCH represented the triggering state for " 1 ".
Step 103, the PDCCH that sends after disposing give UE, so that other control informations to be provided to UE.
In the present embodiment, the PDCCH that eNB sends after the configuration gives UE, and after UE received this PDCCH, the triggering bit that obtains among this PDCCH was non-triggering state, does not then send SRS and gives eNB; Simultaneously, according to the control information of needs configuration among the configuration bit among this PDCCH, carry out corresponding configuration.For instance; When control information is when being used to carry out the information of ascending resource scheduling; The information configured position is the information bit of ascending resource scheduling among this configuration bit, when eNB sends this PDCCH and gives UE, UE can be in configuration bit the information of collocating uplink scheduling of resource.
In the present embodiment; Through judging whether that triggering UE sends measuring reference signals; And in the time need not triggering UE and send SRS, then the bit that is used to trigger SRS among the PDCCH is configured to non-triggering state, and the bit that in PDCCH, is used for disposing SRS carries other control informations beyond the SRS configuration information; The PDCCH that sends after disposing sends to UE, so that other control informations to be provided to UE.After UE receives the PDCCH of eNB transmission; When the bit that is used to trigger SRS is non-triggering state; Then obtain other control informations beyond the SRS configuration information that the bit that is used for disposing SRS among the PDCCH carries; And, carry out disposing accordingly, thereby improved the utilance of the bit that is used to trigger SRS among the PDCCH originally effectively with these other control informations according to these other control informations.
Need to prove that in embodiments of the present invention, the triggering bit in PDCCH is not for triggering SRS; When being non-triggering state, the configuration bit among this PDCCH be used to indicate which kind of control information can appoint in advance by eNB and UE, or preset by those skilled in the art, also can pass through alternate manner certainly by eNB; Like signaling etc.; The function of configuration bit when not triggering SRS among the PDCCH is informed UE, and wherein, said signaling can be high-level signaling; Like the RRC signaling, present embodiment is not done qualification to this.
Fig. 2 is the flow chart of another embodiment of the collocation method of Physical Downlink Control Channel provided by the invention; In the present embodiment; Comprise the information that is used to carry out ascending resource scheduling, be used to carry out the information that uplink transmission mode selects and be used to trigger the information that aperiodic, CSI reported with the control information among the existing bit among the PDCCH; And when not triggering UE and send SRS, the control information among the configuration bit is that to be used to carry out the information of ascending resource scheduling be example, introduces the technical scheme of present embodiment in detail; As shown in Figure 2, the method for present embodiment comprises:
Step 201, the function that the bit that is used to dispose SRS among the PDCCH is used to carry other control informations are notified to UE.
In the present embodiment, the triggering bit in PDCCH is for triggering SRS, during promptly non-triggering state; Configuration bit among this PDCCH be used to indicate which kind of control information can appoint in advance by eNB and UE, or preset by those skilled in the art, certainly also can be by eNB through alternate manner, like signaling etc.; The function of configuration bit when not triggering SRS among the PDCCH is informed UE, and wherein, said signaling can be high-level signaling; Like the RRC signaling, present embodiment is not done qualification to this.
Step 202, judge whether to trigger UE and send SRS; If when triggering UE transmission SRS, then execution in step 203; If when not triggering UE transmission SRS, then execution in step 204.
In the present embodiment, when eNB when certain UE sends PDCCH, judge whether to trigger simultaneously UE earlier and send SRS.
Step 203, when needs trigger UE and send SRS, the bit that then being used among the PDCCH is triggered SRS is configured to the triggering state; And the bit that in PDCCH, is used for disposing SRS carries the SRS configuration information; Execution in step 205 again.
In the present embodiment, when eNB needs UE to send SRS, then the bit that is used to trigger SRS among the PDCCH (promptly triggering bit) is configured to the triggering state, and the bit (promptly disposing bit) that in PDCCH, is used for disposing SRS carries the SRS configuration information.Wherein this SRS configuration information can comprise bandwidth and frequency band position of SRS etc.
Step 204, in the time need not triggering UE and send SRS, then the bit that is used to trigger SRS among the PDCCH is configured to non-triggering state; And the bit that in PDCCH, is used for disposing SRS carries the information that is used to carry out ascending resource scheduling.
In the present embodiment; When eNB does not need UE to send SRS; Then the triggering bit among the PDCCH is configured to non-triggering state; Simultaneously, the bit that in PDCCH, is used for disposing SRS carries the information that is used to carry out ascending resource scheduling, and the information bit that promptly disposes this configuration bit is the ascending resource scheduling information bit.Owing to comprise the information of controlling ascending resource scheduling among the existing bit, and, therefore, improved the precision of ascending resource scheduling effectively through in configuration bit, having increased the information that is used to carry out ascending resource scheduling.
Step 205, the PDCCH that sends after disposing give UE.
In the present embodiment, when eNB execution in step 203, after then UE receives PDCCH,, trigger UE, SRS is configured, and the SRS after will disposing sends to eNB according to the SRS configuration information among the configuration bit according to triggering bit; Simultaneously, the control information according among the existing bit among the PDCCH is configured the upstream data emission parameter.
When eNB execution in step 204; After then UE receives PDCCH; Need not send SRS to eNB, simultaneously according to triggering bit, knowing; According to configuration be used among the bit carrying out information and the existing bit of ascending resource scheduling the information that is used to carry out ascending resource scheduling, be used to carry out the information that uplink transmission mode selects and be used to trigger the information that aperiodic, CSI reported, emission is configured to upstream data.Receive only to have among the PDCCH that eNB sends through execution in step 203 with respect to UE and comprise among the existing bit for the information that is used to carry out ascending resource scheduling; Because the eNB that the UE basis receives is through including the information that is used to carry out ascending resource scheduling among configuration bit among the PDCCH of execution in step 204 transmissions and the existing bit; Therefore; UE can adopt the high accuracy ascending resource scheduling that the upstream data emission parameter is configured, thereby has improved the precision of ascending resource scheduling effectively.
In the present embodiment, when sending SRS through triggering UE when needs, then the triggering bit among the PDCCH is configured to the triggering state, and carries the SRS configuration information among the configuration bit in PDCCH, the PDCCH after will disposing again sends to UE.UE combines to have now the control information among the bit according to the SRS configuration information that triggers among the PDCCH that receives among bit and the configuration bit, and the upstream data emission parameter of SRS is configured the SRS of concurrent delivery postpone.In the time need not triggering UE transmission SRS; Then the triggering bit among the PDCCH is configured to non-triggering state, and carries the information that is used to carry out ascending resource scheduling among the configuration bit in PDCCH, the PDCCH after will disposing again sends to UE; After UE receives the PDCCH of eNB transmission; Carry out the information and the existing bit control information of ascending resource scheduling according to being used among the configuration bit among this PDCCH, the upstream data emission parameter is configured, thereby solved effectively in the prior art when eNB does not trigger UE and sends SRS; The problem of waste appears in configuration bit, and then has improved the utilance of configuration bit effectively.Simultaneously; With respect to when triggering bit is the triggering state, have only to comprise the ascending resource scheduling information bit among the existing bit, make UE adopt low precision ascending resource scheduling that the upstream data emission parameter is configured; When to trigger bit be non-triggering state; Include the information that is used to carry out ascending resource scheduling among configuration bit and the existing bit, make UE can adopt the high accuracy ascending resource scheduling that the upstream data emission parameter is configured, thereby improved the precision of ascending resource scheduling effectively.
Further, in yet another embodiment of the present invention, in order to improve the precision that uplink transmission mode is selected effectively, control information can also be for being used to carry out the information that uplink transmission mode is selected, then step 204 can also for:
In the time need not triggering UE and send SRS, then the bit that is used to trigger SRS among the PDCCH is configured to non-triggering state; And the bit that in PDCCH, is used for disposing SRS carries and is used to carry out the information that uplink transmission mode is selected.
In the present embodiment, be used to carry out information that uplink transmission mode selects and can comprise that control modulating-coding rate selection information, control precoding select information, control transmission layer to select information or control frequency-hopping mode selection information etc.During PDCCH after UE receives this configuration; According to the triggering bit among the PDCCH is non-triggering state, does not send SRS and gives eNB, simultaneously; The information and the existing bit control information that being used for carrying out the uplink transmission mode selection according among the configuration bit are configured the upstream data emission parameter.Be used to carry out the information that uplink transmission mode is selected owing to include among configuration bit and the existing bit; Therefore; UE can adopt high-precision uplink transmission mode to select, and the upstream data emission parameter is configured, thereby has improved the precision that uplink transmission mode is selected effectively.
Further, in yet another embodiment of the present invention, in order to improve the efficient that triggers effectively, control information can also be for being used to trigger the information that aperiodic, CSI reported, then step 204 can also for:
In the time need not triggering UE and send SRS, then the bit that is used to trigger SRS among the PDCCH is configured to non-triggering state; And the bit that in PDCCH, is used for disposing SRS carries and is used to trigger the information that aperiodic, CSI reported.
In the present embodiment, be used to trigger that information that aperiodic, CSI reported can comprise trigger parameter whether and to the parameter of which descending carrier.During PDCCH after UE receives this configuration; According to the triggering bit among the PDCCH is non-triggering state, does not send SRS and gives eNB, simultaneously; Trigger information that aperiodic, CSI reported and the control information of existing bit according to configuration being used among the bit, the upstream data emission parameter is configured.Be used to trigger the information that aperiodic, CSI reported owing to include among configuration bit and the existing bit, therefore, UE can adopt high-precision aperiodic CSI to report triggering, and the parameter that reports of CSI is configured to aperiodic, thereby has improved the efficient that triggers effectively.
Fig. 3 is configured the flow chart of an embodiment of method for provided by the invention through Physical Downlink Control Channel, and as shown in Figure 3, the method for present embodiment comprises:
The PDCCH that step 301, reception eNB send.
In the present embodiment, eNB can be used to carry out the technical scheme of method embodiment shown in Figure 1.
Step 302, judge whether the bit that is used to trigger SRS among the PDCCH is the triggering state.
Step 303, when the bit that is used to trigger SRS is non-triggering state, then obtain other control informations beyond the SRS configuration information that the bit that is used for disposing SRS among the PDCCH carries.
Step 304, according to other control informations, carry out disposing accordingly with these other control informations.
In the present embodiment, after UE received this PDCCH, the triggering bit that obtains among this PDCCH was non-triggering state, did not then send SRS and gave eNB; Simultaneously, according to other control informations of needs configuration among the configuration bit among this PDCCH and the control information among the existing bit, dispose accordingly.Wherein, the control information among the existing bit can comprise the information that is used to carry out ascending resource scheduling, is used to carry out the information that uplink transmission mode selects and/or is used to trigger information that aperiodic, CSI reported etc.; Can also comprise the information that is used to carry out scheduling downlink resource, be used to carry out the information of downlink transfer model selection and/or be used to trigger information that aperiodic, CSI reported etc.Configuration other control informations among the bit can be for the information that is used to carry out ascending resource scheduling, be used to carry out information, the information that is used to carry out scheduling downlink resource that uplink transmission mode selects, be used to carry out the information of downlink transfer model selection or be used to trigger information that aperiodic, CSI reported etc.For instance; With other control informations is the information that is used to carry out ascending resource scheduling; And control information stored comprises that the information that is used to carry out ascending resource scheduling is example with being used to carry out the information that uplink transmission mode selects among the existing bit; When eNB does not trigger UE transmission SRS, carry the information that is used to carry out ascending resource scheduling among the configuration bit among the configuration PDCCH, when the PDCCH after eNB sends configuration gives UE; UE carries out the information of ascending resource scheduling and the information and the information that is used to carry out the uplink transmission mode selection that are used to carry out ascending resource scheduling of existing bit according to being used among the configuration bit, and emission is configured to upstream data.
In the present embodiment; Through judging whether that triggering UE sends measuring reference signals; And in the time need not triggering UE transmission SRS; Then the bit that is used to trigger SRS among the PDCCH is configured to non-triggering state, and the bit that in PDCCH, is used for disposing SRS carries other control informations beyond the SRS configuration information, the PDCCH after will disposing again sends to UE.After UE receives the PDCCH of eNB transmission; Judge whether the bit that is used to trigger SRS among the PDCCH is the triggering state; And when the bit that is used to trigger SRS is non-triggering state, then obtain other control informations beyond the SRS that the bit that is used for disposing SRS among the PDCCH carries, and according to these other control informations; Dispose accordingly, thereby improved the utilance of the bit that is used to trigger SRS among the PDCCH originally effectively.
Further, in yet another embodiment of the present invention, this method can also comprise:
When the bit that is used to trigger SRS is the triggering state, then obtains the SRS configuration information that the bit that is used for disposing SRS among the PDCCH carries, and, carry out disposing accordingly with this SRS configuration information according to this SRS configuration information.
Further, in another embodiment of the present invention, this method can also comprise:
Reception is from the notice of eNB, is used to carry the function of other control informations from this notice, to know the bit that is used to dispose SRS among the PDCCH.
In the present embodiment; Triggering bit in PDCCH is for triggering SRS, during promptly non-triggering state, the configuration bit among this PDCCH be used to indicate which kind of control information can appoint in advance by eNB and UE, or preset by those skilled in the art; Certainly also can pass through alternate manner by eNB; Like signaling etc., the function of the configuration bit when not triggering SRS among the PDCCH is informed UE, so that UE is known the function of other control informations.Wherein, said signaling can be high-level signaling, and like the RRC signaling, present embodiment is not done qualification to this.
Fig. 4 is the structural representation of an embodiment of base station provided by the invention, and is as shown in Figure 4, and the base station of present embodiment comprises: judge module 11, first configuration module 12 and sending module 13.Wherein, judge module 11 is used to judge whether that needs trigger subscriber equipment and send SRS; First configuration module 12 is used in the time need not triggering subscriber equipment and send SRS, then the bit that is used to trigger SRS among the PDCCH is configured to non-triggering state; And the bit that in PDCCH, is used for disposing SRS carries other control informations beyond the SRS configuration information; The PDCCH that sending module 13 is used to send after the configuration gives UE, so that other control informations to be provided to UE.
The base station of present embodiment can be used to carry out the technical scheme of method embodiment shown in Figure 1, and its principle is similar, repeats no more here.
In the present embodiment; Through judging whether that needing to trigger UE sends measuring reference signals; And in the time need not triggering UE transmission SRS; Then the bit that is used to trigger SRS among the PDCCH is configured to non-triggering state, and carries other control informations beyond the SRS configuration information at the bit that PDCCH is used for disposing SRS, the PDCCH after will disposing again sends to UE.After UE receives the PDCCH of eNB transmission; Judge whether the bit that is used to trigger SRS among the PDCCH is the triggering state; And when the bit that is used to trigger SRS is non-triggering state, then obtain other control informations beyond the SRS that the bit that is used for disposing SRS among the PDCCH carries, and according to these other control informations; Dispose accordingly, thereby improved the utilance of the bit that is used to trigger SRS among the PDCCH originally effectively.
Further, in another embodiment of the present invention, on the basis of the foregoing description, this base station can also comprise: notification module, the function that is used for the bit that PDCCH is used to dispose SRS is used to carry other control informations is notified to UE.
Fig. 5 is the structural representation of an embodiment of subscriber equipment provided by the invention, and is as shown in Figure 5, and the subscriber equipment of present embodiment comprises: first receiver module 21, processing module 22, acquisition module 23 and second configuration module 24.Wherein, first receiver module 21 is used to receive the PDCCH that send the base station; Processing module 22 is used for judging whether the bit that PDCCH is used to trigger SRS is the triggering state; Acquisition module 23 is used for when the bit that is used to trigger SRS is non-triggering state, then obtains other control informations beyond the SRS configuration information that the bit that is used for disposing SRS among the PDCCH carries; Second configuration module 24 is used for according to other control informations, carries out disposing accordingly with other control informations.
The subscriber equipment of present embodiment can be used to carry out the technical scheme of the embodiment of method shown in Figure 3, and its principle is similar, repeats no more here.
In the present embodiment; Through judging whether that needing to trigger UE sends measuring reference signals; And in the time need not triggering UE transmission SRS; Then the bit that is used to trigger SRS among the PDCCH is configured to non-triggering state, and carries other control informations beyond the SRS configuration information at the bit that PDCCH is used for disposing SRS, the PDCCH after will disposing again sends to UE.After UE receives the PDCCH of eNB transmission; Judge whether the bit that is used to trigger SRS among the PDCCH is the triggering state; And when the bit that is used to trigger SRS is non-triggering state, then obtain other control informations beyond the SRS that the bit that is used for disposing SRS among the PDCCH carries, and according to these other control informations; Dispose accordingly, thereby improved the utilance of the bit that is used to trigger SRS among the PDCCH originally effectively.
Further; In another embodiment of the present invention, on the basis of the foregoing description, this subscriber equipment can also comprise: second receiver module; Be used to receive notice, from notice, to obtain the function that the bit that is used to dispose SRS among the PDCCH is used to carry other control informations from eNB.
Fig. 6 is the structural representation of an embodiment of the configuration-system of Physical Downlink Control Channel provided by the invention, and as shown in Figure 6, the system of present embodiment comprises: subscriber equipment 31 and base station 32.Wherein, subscriber equipment 31 can be used to carry out the technical scheme of the embodiment of method shown in Figure 3, and base station 32 can be used to carry out the technical scheme of the embodiment of method shown in Figure 1, and its principle is similar, repeats no more here.
In the present embodiment; Through judging whether that needing to trigger UE sends measuring reference signals; And in the time need not triggering UE transmission SRS; Then the bit that is used to trigger SRS among the PDCCH is configured to non-triggering state, and carries other control informations beyond the SRS configuration information at the bit that PDCCH is used for disposing SRS, the PDCCH after will disposing again sends to UE.After UE receives the PDCCH of eNB transmission; Judge whether the bit that is used to trigger SRS among the PDCCH is the triggering state; And when the bit that is used to trigger SRS is non-triggering state, then obtain other control informations beyond the SRS that the bit that is used for disposing SRS among the PDCCH carries, and according to these other control informations; Dispose accordingly, thereby improved the utilance of the bit that is used to trigger SRS among the PDCCH originally effectively.
One of ordinary skill in the art will appreciate that: all or part of step that realizes said method embodiment can be accomplished through the relevant hardware of program command; Aforesaid program can be stored in the computer read/write memory medium; This program the step that comprises said method embodiment when carrying out; And aforesaid storage medium comprises: various media that can be program code stored such as ROM, RAM, magnetic disc or CD.
What should explain at last is: above embodiment is only in order to explaining technical scheme of the present invention, but not to its restriction; Although with reference to previous embodiment the present invention has been carried out detailed explanation, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.
Claims (10)
1. the collocation method of a Physical Downlink Control Channel is characterized in that, comprising:
Judge whether that needing to trigger subscriber equipment sends measuring reference signals;
In the time need not triggering said subscriber equipment and send said measuring reference signals; Be non-triggering state then, and the bit that in said Physical Downlink Control Channel, is used for the allocating and measuring reference signal carry other control information beyond the measuring reference signals configuration information with the bit configuration that is used to trigger measuring reference signals in the Physical Downlink Control Channel;
The Physical Downlink Control Channel that sends after disposing is given said subscriber equipment, so that said other control information to be provided to said subscriber equipment.
2. method according to claim 1; It is characterized in that said other control information is: be used to carry out ascending resource scheduling information, be used to carry out scheduling downlink resource information, be used to control the information that uplink transmission mode selects, the information that is used to control the downlink transfer model selection, or be used to trigger the information that aperiodic channel status information CSI reports.
3. method according to claim 1 and 2 is characterized in that, before judging whether that needing to trigger subscriber equipment sends measuring reference signals, said method also comprises:
The function that the bit that is used for the allocating and measuring reference signal in the said Physical Downlink Control Channel is used to carry said other control information is notified to said subscriber equipment.
4. one kind is configured method through Physical Downlink Control Channel, it is characterized in that, comprising:
Receive the Physical Downlink Control Channel that send the base station;
Judge whether the bit that is used to trigger measuring reference signals in the said Physical Downlink Control Channel is the triggering state;
When the said bit that is used to trigger measuring reference signals is non-triggering state, then obtain other control information beyond the measuring reference signals configuration information that the bit that is used for the allocating and measuring reference signal in the said Physical Downlink Control Channel carries;
According to said other control information, carry out disposing accordingly with said other control information.
5. method according to claim 4; It is characterized in that said other control information is: be used to carry out ascending resource scheduling information, be used to carry out scheduling downlink resource information, be used to control the information that uplink transmission mode selects, the information that is used to control the downlink transfer model selection, or be used to trigger the information that aperiodic channel status information CSI reports.
6. according to claim 4 or 5 described methods, it is characterized in that before receiving the Physical Downlink Control Channel that sends the base station, said method also comprises:
Reception is used to carry the function of said other control information from the notice of said base station from said notice, to know the bit that is used for the allocating and measuring reference signal in the said Physical Downlink Control Channel.
7. a base station is characterized in that, comprising:
Judge module is used to judge whether that needs trigger subscriber equipment and send measuring reference signals;
First configuration module is used in the time need not triggering said subscriber equipment and send said measuring reference signals, is non-triggering state with the bit configuration that is used to trigger measuring reference signals in the Physical Downlink Control Channel then; And the bit that in said Physical Downlink Control Channel, is used for the allocating and measuring reference signal carries other control informations beyond the measuring reference signals configuration information;
Sending module, the Physical Downlink Control Channel that is used to send after the configuration is given said subscriber equipment, so that said other control informations to be provided to said subscriber equipment.
8. base station according to claim 7 is characterized in that, also comprises:
Notification module, the function that is used for the bit that said Physical Downlink Control Channel is used for the allocating and measuring reference signal is used to carry said other control informations is notified to said subscriber equipment.
9. a subscriber equipment is characterized in that, comprising:
First receiver module is used to receive the Physical Downlink Control Channel that send the base station;
Processing module is used for judging whether the bit that said Physical Downlink Control Channel is used to trigger measuring reference signals is the triggering state;
Acquisition module; Be used for when the said bit that is used to trigger measuring reference signals is non-triggering state, then obtain other control informations beyond the measuring reference signals configuration information that the bit that is used for the allocating and measuring reference signal in the said Physical Downlink Control Channel carries;
Second configuration module is used for according to said other control informations, carries out disposing accordingly with said other control informations.
10. subscriber equipment according to claim 9 is characterized in that, also comprises:
Second receiver module is used to receive the notice from said base station, is used to carry the function of said other control informations from said notice, to know the bit that is used for the allocating and measuring reference signal in the said Physical Downlink Control Channel.
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