CN102404085B - Reporting method for channel status information, base station thereof and user equipment thereof - Google Patents
Reporting method for channel status information, base station thereof and user equipment thereof Download PDFInfo
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- CN102404085B CN102404085B CN201010284936.3A CN201010284936A CN102404085B CN 102404085 B CN102404085 B CN 102404085B CN 201010284936 A CN201010284936 A CN 201010284936A CN 102404085 B CN102404085 B CN 102404085B
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Abstract
The invention discloses a reporting method for channel status information, which is applied to the field of communication. The method comprises a step of generating descending control information with a descending control information (DCI) form as a first form. The descending control information with the DCI form as the first form is used for triggering reporting of the channel status information (CSI) of a descending member carrier in a first member carrier assembly of the user equipment (UE). The descending control information with the DCI form as the first form comprises first indication information which is used for indicating the DCI form of the descending control information as the first form and sending the descending control information with the DCI form as the first form to the UE to enable the UE to report the CSI of the descending member carrier in the first member carrier assembly according to the descending control information with the DCI form as the first form. The reporting method, the device and the user equipment resolves the problem that CSI in the prior art is not flexible to report.
Description
Technical field
The present invention relates to the communication technology, be specifically related to a kind of report method, base station and subscriber equipment of channel condition information.
Background technology
In LTE (Long Term Evolved Long Term Evolution) system, by base station scheduling to UE (User Equipment subscriber equipment) in each subframe, can comprise PDCCH (the Physical Downlink Control Channel Physical Downlink Control Channel) signaling of this UE.PDCCH signaling can be descending scheduling mandate (DL_grant) or uplink scheduling authorization (UL_grant).The schedule informations such as indication PDSCH (Physical Downlink Shared Channel Physical Downlink Shared Channel) time-frequency resource allocating have been carried in descending scheduling mandate, and uplink scheduling authorization (UL_grant) has carried the schedule informations such as time-frequency resource allocating of indication PUSCH (Physical Uplink Shared Channel Physical Uplink Shared Channel).
When PDCCH signaling is descending scheduling mandate, the DCI of PDCCH signaling (Downlink ControlInformation Downlink Control Information) form can be form 1A (format 1A), form 1 (format1), form 2 (format 2) or form 2A (format 2A); When PDCCH signaling is uplink scheduling authorization, the DCI form of PDCCH signaling can be form 0, and wherein DCI form is that the PDCCH signaling of form 0 and PDCCH signaling length that DCI form is form 1A equate, can distinguish by a bit.In some cases, DCI form is that the useful information bit length of the PDCCH signaling of form 0 is the few bit of useful information bit length of the PDCCH signaling of form 1A than DCI form, in DCI form is the PDCCH signaling of form 0, has a filler.Base station needs according to obtaining CSI (channel condition information ChannelState Information) from UE the downlink data dispatching of UE, and base station can be that the CSI that CSI triggering bit in the PDCCH signaling of form 0 triggers descending carrier reports by DCI form.
In the LTE of evolution system, introduced CA (Carrier Aggregation carrier aggregation) technology, a plurality of CC (Component Carrier member carrier) can be given to a UE for supporting higher data rate transport simultaneously.
In prior art, under CA scene, in the method reporting of CSI that triggers downlink member carrier by PDCCH signaling, CSI reports underaction.
Summary of the invention
The embodiment of the present invention, by a kind of report method, base station and subscriber equipment of channel condition information are provided, has solved the problem reporting of flexible triggering CSI.
On the one hand, the embodiment of the present invention provides a kind of report method of channel condition information, and the method comprises:
Generating Downlink Control Information DCI form is the Downlink Control Information of the first form, the Downlink Control Information that described DCI form is the first form is for triggering the reporting of channel condition information CSI of downlink member carrier of the first member carrier collection of user equipment (UE), the Downlink Control Information that described DCI form is the first form comprises the first indication information, and the DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form; To described UE, send the Downlink Control Information that described DCI form is the first form, so that the Downlink Control Information that described UE is the first form according to described DCI form reports the CSI of the downlink member carrier in described the first member carrier collection to base station.
The embodiment of the present invention provides a kind of base station, and this base station comprises:
Generation module, for generating the physical downlink control channel PDCCH signaling that Downlink Control Information DCI form is the first form, the Downlink Control Information that described DCI form is the first form is for triggering the reporting of channel condition information CSI of downlink member carrier of the first member carrier collection of user equipment (UE), the Downlink Control Information that described DCI form is the first form comprises the first indication information, and the DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form; Sending module, for sending the Downlink Control Information that described DCI form that described generation module generates is the first form to described UE, take, trigger the CSI that Downlink Control Information that described UE is the first form according to described DCI form reports the downlink member carrier in described the first member carrier collection.
The embodiment of the present invention provides a kind of subscriber equipment, and this subscriber equipment comprises:
Receiver module, for receiving Downlink Control Information DCI form, it is the Downlink Control Information of the first form, described Downlink Control Information is for triggering the reporting of channel condition information CSI of downlink member carrier of the first member carrier collection of described subscriber equipment, the Downlink Control Information that described DCI form is the first form comprises the first indication information, and the DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form; Reporting module, the Downlink Control Information for being the first form according to the described DCI form of described receiver module reception, triggers and to base station, reports the CSI of the downlink member carrier in described the first member carrier collection.
The report method of a kind of channel condition information providing by the embodiment of the present invention, base station and subscriber equipment, can make base station trigger flexibly the problem reporting of the CSI of a plurality of member carriers, and expense is less, and can combine use with the method reporting of existing CSI, increase the flexibility reporting of CSI.
Accompanying drawing explanation
The flow chart of the report method of a kind of channel condition information that Fig. 1 provides for the embodiment of the present invention;
The flow chart of the report method of the another kind of channel condition information that Fig. 2 provides for the embodiment of the present invention;
The structure chart of a kind of PDCCH signaling that Fig. 3 provides for the embodiment of the present invention;
Also a kind of structure chart of PDCCH signaling that Fig. 4 provides for the embodiment of the present invention;
The structure chart of another PDCCH signaling that Fig. 5 provides for the embodiment of the present invention;
The structure chart of another PDCCH signaling that Fig. 6 provides for the embodiment of the present invention;
The structural representation figure of a kind of base station that Fig. 7 provides for the embodiment of the present invention;
The structural representation of a kind of subscriber equipment that Fig. 8 provides for the embodiment of the present invention.
Embodiment
Below the report method of channel condition information is elaborated.
It should be noted that; the PDCCH signaling of take in embodiments of the invention is specifically set forth embodiments of the invention as example; do not form limitation of the invention, any creationary change that do not have of carrying out on the basis of the embodiment of the present invention all belongs to the scope that the present invention protects.
Below in conjunction with Fig. 1, specifically set forth the report method of a kind of channel condition information that the embodiment of the present invention provides.As shown in Figure 1, the method comprises:
Step 101, generating Downlink Control Information DCI form is the Downlink Control Information of the first form, the Downlink Control Information that described DCI form is the first form is for triggering the reporting of channel condition information CSI of downlink member carrier of the first member carrier collection of user equipment (UE), the Downlink Control Information that described DCI form is the first form comprises the first indication information, and the DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form;
Above-mentioned Downlink Control Information can be PDCCH signaling.
Step 102, to described UE, send the Downlink Control Information that described DCI form is the first form, so that the Downlink Control Information that described UE is the first form according to described DCI form reports the CSI of the downlink member carrier in described the first member carrier collection to base station.
The report method of a kind of channel condition information providing by the embodiment of the present invention, can make base station trigger flexibly the problem reporting of the CSI of a plurality of member carriers, and expense is less, and can combine use with the method reporting of existing CSI, increase the flexibility reporting of CSI.
Below in conjunction with Fig. 2, set forth the report method of a kind of channel condition information that the embodiment of the present invention provides.As shown in Figure 2, the method comprises:
Step 201, it is the Downlink Control Information of the first form that base station generates Downlink Control Information DCI form, the Downlink Control Information that described DCI form is the first form is for triggering the reporting of channel condition information CSI of downlink member carrier of the first member carrier collection of user equipment (UE), the Downlink Control Information that described DCI form is the first form comprises the first indication information, and the DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form;
Above-mentioned Downlink Control Information can be PDCCH signaling, and the PDCCH signaling of take below is specifically set forth the present embodiment as example.
In one embodiment, can also be by being to increase a bit in the PDCCH signaling of form 1A at DCI form, as can be to add a bit after the indicating bit of PDCCH signaling of form 1A at DCI form, can be in the situation that the constant form that carrys out the PDCCH signaling that equipment for indicating user receives by the value of this bit is set of the deixis of this indicating bit.As: can set when the value of this bit is 1, the form of the PDCCH signaling that subscriber equipment receives is form 1A, and when the value of this bit is 0, the form of the PDCCH signaling that subscriber equipment receives is the first form.
In one embodiment, the first above-mentioned indication information can comprise two bits, can be by the value of described two bits is set, as be set to 11, the DCI form of indicating described PDCCH signaling is described the first form.In the present embodiment, the DCI form that the present embodiment provides is that the information bit except above-mentioned the first indication information (information bit) in the PDCCH signaling of the first form can be that the information bit except being used to indicate the information bit of DCI form of this PDCCH signaling in the PDCCH signaling of form 0 is identical with DCI form, makes the PDCCH signaling that above-mentioned DCI form is the first form can support that DCI form is the complete scheduling feature of the PDCCH signaling of form 0.
Length when the described DCI form PDCCH signaling that is described the first form, DCI form is that the length of PDCCH signaling of form 0 and the length of the PDCCH signaling that DCI form is form 1A are when unequal, can be by the PDCCH signaling that is the first form at described DCI form, DCI form is that at least one in the PDCCH signaling of form 0 and PDCCH signaling that DCI form is form 1A added filler, for represent whether to trigger detection reference signal SRS aperiodic transmission bit and at least one of the bit that represents to carry out continuous resource distribution or carry out discontinuous resource distribution, so that the length of the PDCCH signaling that described DCI form is the first form and DCI form are PDCCH signaling equal in length of form 0, the length of the PDCCH signaling that described DCI form is the first form and DCI form are PDCCH signaling equal in length of form 1A.For example, as shown in Figure 3, in the PDCCH signaling that is the first form at above-mentioned DCI form, the DCI form of indicating this PDCCH signaling is that the first indication information of the first form is 2 bits, and the value of these 2 bits is set to 11, and the information bit except above-mentioned the first indication information (information bit) of this PDCCH signaling can with DCI form be in the PDCCH signaling of form 0 the information bit except being used to indicate the information bit of DCI form of PDCCH signaling identical, simultaneously because receiving, UE when DCI form is the PDCCH signaling of the first form, triggers reporting of CSI, in this PDCCH signaling, can omit CSI and trigger bit (the DCI form shown in Fig. 3 is the CSI bit in the PDCCH signaling of the first form), and increase virtual CRC (Cyclic Redundancy Check cyclic redundancy check (CRC)) check digit, optionally, this virtual CRC check bit position can be that the relative position that triggers in the PDCCH signaling that bit is form 0 at this DCI form of the CSI in the PDCCH signaling of form 0 is identical with DCI form, and the PDCCH signaling that DCI form is form 0 is used to indicate the DCI form of this PDCCH signaling, be that the bit of form 0 can be 1 bit, and value that can this 1 bit is set to 0, for making DCI form, be that the PDCCH signaling length of the first form and PDCCH signaling that DCI form is form 0 are equal in length, can in being the PDCCH signaling of form 0, DCI form add 1 filler, if the DCI form in Fig. 3 is last the Pad position in the PDCCH signaling of form 0, same, the DCI form that is used to indicate PDCCH signaling is that the bit of form 1A is 2 bits, the value of these 2 bits can be set to 10.Same, it will be appreciated by those skilled in the art that, also can be by the PDCCH signaling that other are worth to distinguish above-mentioned different-format being set to above-mentioned for distinguishing the bit of the PDCCH signaling of different-format, for example, the value of 2 bits of the first indication information is set to 00; Or 2 bit values of the first indication information are set to 10, and the DCI form that is used to indicate PDCCH signaling is that the value of 2 bits of form 1A is set to 11.
In one embodiment, with reference to figure 4,2 information bits that the PDCCH signaling that is form 0 by DCI form increases, these 2 information bits can be for representing whether to trigger the bit (aSRS flag) of the transmission of detection reference signal SRS aperiodic, and the bit (RA flag) for representing to carry out continuous resource distribution or carry out discontinuous resource distribution.Because subscriber equipment is when receiving DCI form and be the PDCCH signaling of the first form, the PDCCH signaling request user equipment to report CSI information that this DCI form is the first form, and this user equipment to report is removed to indicate in irrelevant information position, at DCI form, be in the PDCCH signaling of the first form, can not have CSI to trigger bit.Simultaneously, the bit except above-mentioned the first indication information in the PDCCH signaling that this DCI form is the first form can be identical except being used to indicate information bit and the bit that is used to indicate the information bit (the DCI form shown in Fig. 4 is the CSI bit of the PDCCH signaling of form 0) of user equipment to report CSI of DCI form of this PDCCH signaling in the PDCCH signaling of form 0 with DCI form, makes the PDCCH signaling that above-mentioned DCI form is the first form can support that DCI form is the complete scheduling feature of the PDCCH signaling of form 0.
In one embodiment, with reference to figure 5, the PDCCH signaling that is form 0 by DCI form increases by 1 information bit, and this information bit can be for representing whether to trigger the bit (aSRS flag) of the transmission of detection reference signal SRS aperiodic.For making DCI form, be that the PDCCH signaling of the first form, PDCCH signaling that DCI form is form 0 and the DCI form PDCCH signaling three's that is form 1A signaling is equal in length, can in DCI form is the PDCCH signaling of form 0, increase a Pad position, this Pad position can be for as virtual CRC check position.Because subscriber equipment is when receiving DCI form and be the PDCCH signaling of the first form, the PDCCH signaling request user equipment to report CSI information that this DCI form is the first form, and this user equipment to report is removed to indicate in irrelevant information position, at DCI form, be in the PDCCH signaling of the first form, can not have CSI to trigger bit.Simultaneously, the bit except above-mentioned the first indication information in the PDCCH signaling that this DCI form is the first form can be identical except being used to indicate information bit and the bit that is used to indicate the information bit (the DCI form shown in Fig. 5 is the CSI bit of the PDCCH signaling of form 0) of user equipment to report CSI of DCI form of this PDCCH signaling in the PDCCH signaling of form 0 with DCI form, makes the PDCCH signaling that above-mentioned DCI form is the first form can support that DCI form is the complete scheduling feature of the PDCCH signaling of form 0.
In one embodiment, with reference to figure 6, the PDCCH signaling that can be form 0 at DCI form increases by 2 information bits, and whether these 2 information bits can trigger the bit (aSRS flag) of the transmission of detection reference signal SRS aperiodic, the bit (RA flag) for representing to carry out continuous resource distribution or carry out discontinuous resource distribution for expression; The PDCCH signaling that can be simultaneously form 1A at DCI form increases an information bit, preferred, and whether this information bit can trigger for expression the bit (aSRS flag) of the transmission of detection reference signal SRS aperiodic.For making DCI form, be that the PDCCH signaling of the first form, PDCCH signaling that DCI form is form 0 and the DCI form PDCCH signaling three's that is form 1A signaling is equal in length, can in DCI form is the PDCCH signaling of form 0, increase a Pad position, this Pad position can be for as virtual CRC check position.The DCI form providing at the present embodiment is that the bit except above-mentioned the first indication information in the PDCCH signaling of the first form can be that the bit except being used to indicate the information bit of DCI form of this PDCCH signaling in the PDCCH signaling of form 0 is identical with DCI form, makes the PDCCH signaling that above-mentioned DCI form is the first form can support that DCI form is the complete scheduling feature of the PDCCH signaling of form 0.
In the above-described embodiment, in PDCCH signaling, increase virtual CRC check position, can reduce the probability for the generation false-alarm of the PDCCH signaling of uplink authorization.
In one embodiment, in above-mentioned the first member carrier collection, can comprise that configuration is at least one downlink member carrier of described UE; And/or, in above-mentioned the first member carrier collection, can comprise the member carrier of at least one activation of described UE.
Step 202, base station sends to described UE the Downlink Control Information that described DCI form is the first form, so that the Downlink Control Information that described UE is the first form according to described DCI form reports the CSI of the downlink member carrier in described the first member carrier collection to base station.
Preferably, described base station can send to described UE the PDCCH signaling that described DCI form is the first form in the specific search volume UESS of UE.
Further, described to described UE, send the PDCCH signaling that described DCI form is the first form before, described method also comprises:
Described base station sends radio resource control RRC signaling to described UE, and described RRC signaling is for configuring described the first member carrier collection to described UE; Or,
In described base station and described UE, configure described the first member carrier collection.In one embodiment, can be before base station and communications of user equipment, as can be when the networking, configured described the first member carrier collection in base station and subscriber equipment.
Subscriber equipment is receiving the physical downlink control channel PDCCH signaling that described DCI form is the first form, reports the CSI of the downlink member carrier in described the first member carrier collection to base station.
The report method of a kind of channel condition information providing by the embodiment of the present invention, make base station can trigger flexibly the reporting of CSI of a plurality of member carriers, and expense is less, and changes less to existing system mechanism.The method of the present embodiment can be combined use with the method reporting of existing CSI, concrete, the triggering method of the method for the present embodiment and existing CSI can be used simultaneously on the one hand, can also in the method for the present embodiment and the triggering method of existing CSI, select on the one hand a kind of method to use, once use the triggering method of a kind of CSI to carry out reporting of CSI, increased the flexibility reporting of CSI.Further, the DCI form that the embodiment of the present invention provides is that the information bit except above-mentioned the first indication information (information bit) in the PDCCH signaling of the first form can be that the information bit except being used to indicate the DCI form of this PDCCH signaling in the PDCCH signaling of form 0 is identical with DCI form, makes the PDCCH signaling that above-mentioned DCI form is the first form can have the complete scheduling feature of PDCCH signaling that DCI form is form 0.Further, equal in length due to the length of the described DCI form PDCCH signaling that is the first form and PDCCH signaling that DCI form is form 0, the length of the PDCCH signaling that described DCI form is the first form and DCI form are PDCCH signaling equal in length of form 1A, can be so that the method for the present embodiment can compatible existing mechanism, and do not increase the PDCCH blind Detecting number of times of UE.In addition, in embodiments of the present invention, in PDCCH signaling, increase virtual CRC check position, can reduce the probability for the generation false-alarm of the PDCCH signaling of uplink authorization.
Below in conjunction with Fig. 7, specifically set forth a kind of base station that the embodiment of the present invention provides.As shown in Figure 7, this base station comprises:
Generation module 701, for generating the physical downlink control channel PDCCH signaling that Downlink Control Information DCI form is the first form, the Downlink Control Information that described DCI form is the first form is for triggering the reporting of channel condition information CSI of downlink member carrier of the first member carrier collection of user equipment (UE), the Downlink Control Information that described DCI form is the first form comprises the first indication information, and the DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form;
Sending module 702, for sending the Downlink Control Information that described DCI form that described generation module 701 generates is the first form to described UE, take, trigger the CSI that Downlink Control Information that described UE is the first form according to described DCI form reports the downlink member carrier in described the first member carrier collection.
Described base station can also comprise:
Module 703 is set, for when described the first indication information comprises two bits, the value of described two bits is set, it is described the first form that described the first indication information is indicated the DCI form of described Downlink Control Information by the value of described two bits, so that described generation module 701 generates the Downlink Control Information that described DCI form is the first form.
Described base station can also comprise:
Scrambling module 704, for using the Downlink Control Information that a CRC scrambler is the first form to the described DCI form of described generation module 701 generations to carry out scrambling, the Downlink Control Information that is the first form by the described DCI form after scrambling sends to described sending module 702, only for being the first form to described DCI form, Downlink Control Information carries out scrambling to a described CRC scrambler, if use a described CRC scrambler to carry out scrambling to described Downlink Control Information so that described subscriber equipment is determined described base station in descrambling process, the DCI form of determining described Downlink Control Information is the first form.
Described sending module 702, can also be for sending radio resource control RRC signaling to described UE, and described RRC signaling is for configuring described the first member carrier collection to described UE.
Above-mentioned generation module 701 can also be for by the Downlink Control Information that is the first form at described DCI form, DCI form is to add at least one bit at least one Downlink Control Information in the Downlink Control Information of the second form and Downlink Control Information that DCI form is the 3rd form, so that the length of the Downlink Control Information that described DCI form is the first form and DCI form are Downlink Control Information equal in length of the second form, the length of the Downlink Control Information that described DCI form is the first form and DCI form are Downlink Control Information equal in length of the 3rd form.Described at least one bit comprises: filler, for represent whether to trigger detection reference signal SRS aperiodic transmission bit and at least one of the bit that represents to carry out continuous resource distribution or carry out discontinuous resource distribution.
Described DCI form is the Downlink Control Information of the second form, comprises that DCI form is the downlink physical control channel PDCCH signaling of the first form; Described DCI form is the Downlink Control Information of the second form, comprises that DCI form is the PDCCH signaling of form 0; Described DCI form is the Downlink Control Information of the 3rd form, comprises that DCI form is the PDCCH signaling of form 1A.
The first above-mentioned indication information comprises two bits, and base station take by the value of described two bits that to indicate the DCI form of described Downlink Control Information be described the first form.
Described the first indication information comprises the first cyclic redundancy check (CRC) scrambler, and only for being the first form to described DCI form, Downlink Control Information carries out scrambling to a described CRC scrambler; Base station is used the Downlink Control Information that a described CRC scrambler is the first form to described DCI form to carry out scrambling, so that if described subscriber equipment carries out descrambling to described Downlink Control Information after receiving described Downlink Control Information, determine that base station used a described CRC scrambler to carry out scrambling to described Downlink Control Information, determine that the DCI form of described Downlink Control Information is the first form.
Above-mentioned the first indication information comprises that DCI form is an indication bit position and first bit of the Downlink Control Information of the 3rd form;
The DCI form that described the first indication information is used to indicate described PDCCH signaling is described the first form, comprising:
Described the first indication information take by the value of described the first bit that to indicate the DCI form of described Downlink Control Information be described the first form; When the value of described the first bit is the first numerical value, described Downlink Control Information is that DCI form is the PDCCH signaling of the first form; When the value of described the first bit is second value, described Downlink Control Information is that DCI form is the Downlink Control Information of the 3rd form.
Downlink member carrier in above-mentioned the first member carrier collection comprises that configuration is at least one downlink member carrier of described UE; And/or the downlink member carrier in described the first member carrier collection comprises the downlink member carrier of the activation of described UE.
Described base station is to described UE, to send the Downlink Control Information that described DCI form is the first form in the specific search volume UESS of UE.
Below in conjunction with Fig. 8, specifically set forth a kind of subscriber equipment that the embodiment of the present invention provides.As shown in Figure 8, this subscriber equipment comprises:
Receiver module 801, for receiving Downlink Control Information DCI form, it is the Downlink Control Information of the first form, described Downlink Control Information is for triggering the reporting of channel condition information CSI of downlink member carrier of the first member carrier collection of described subscriber equipment, the Downlink Control Information that described DCI form is the first form comprises the first indication information, and the DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form;
Reporting module 802, the Downlink Control Information for being the first form according to the described DCI form of described receiver module 801 receptions, triggers and to base station, reports the CSI of the downlink member carrier in described the first member carrier collection.
Described receiver module 801, also for receiving described Downlink Control Information at described receiver module, when the first indication information of described Downlink Control Information comprises two bits, according to the value of described two bits, the DCI form of determining described Downlink Control Information is described the first form.
Described subscriber equipment also comprises descrambling module 803,
Described descrambling module, for described Downlink Control Information being carried out to descrambling after described receiver module 801 receives described Downlink Control Information, determine that described base station used a described CRC scrambler to carry out scrambling to described Downlink Control Information, only for being the first form to described DCI form, Downlink Control Information carries out scrambling to the one CRC scrambler, the DCI form of determining described Downlink Control Information is the first form, and the Downlink Control Information that is the first form by described DCI form sends to described reporting module 802.
Described subscriber equipment also comprises configuration module,
Described receiver module 801, the radio resource control RRC signaling also sending for receiving described base station, described RRC signaling is for configuring described the first member carrier collection to described subscriber equipment;
Described configuration module 804, the described RRC signaling for receiving according to described receiver module 801, configures described the first member carrier collection;
Described reporting module 802, also for reporting the CSI of the downlink member carrier of described the first member carrier collection according to described first member carrier collection of described configuration module 804 configurations to described base station.
Described subscriber equipment also comprises module 805 is set,
The described module 805 that arranges, for arranging described the first member carrier collection at described subscriber equipment;
Described reporting module 802, also for reporting the CSI of the downlink member carrier of described the first member carrier collection according to described described the first member carrier collection that module 805 settings are set to described base station.
Other features about subscriber equipment can be referring to the associated description in preceding method embodiment.
It should be appreciated by those skilled in the art that in the embodiment of the present invention, the function that is divided into of apparatus module is divided, actual concrete structure can be fractionation or the merging of above-mentioned functions module.
" reception " word in foregoing invention embodiment can be understood as and initiatively from other unit, obtains can be also to receive the information that other unit send.
The invention described above embodiment sequence number, just to describing, does not represent the quality of embodiment.
The scheme that the content of claim is recorded is also the protection range of the embodiment of the present invention.
One of ordinary skill in the art will appreciate that all or part of processing in above-described embodiment method is to come the hardware that instruction is relevant to complete by program, described program can be stored in a kind of computer-readable recording medium.
The foregoing is only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection scope of the present invention.
Claims (16)
1. a report method for channel condition information, is characterized in that,
Generating Downlink Control Information DCI form is the Downlink Control Information of the first form, the Downlink Control Information that described DCI form is the first form is for triggering the reporting of channel condition information CSI of downlink member carrier of the first member carrier collection of user equipment (UE), the Downlink Control Information that described DCI form is the first form comprises the first indication information, and the DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form;
To described UE, send the Downlink Control Information that described DCI form is the first form, so that the Downlink Control Information that described UE is the first form according to described DCI form reports the CSI of the downlink member carrier in described the first member carrier collection to base station;
By the Downlink Control Information that is the first form at described DCI form, DCI form is to add at least one bit at least one Downlink Control Information in the Downlink Control Information of the second form and Downlink Control Information that DCI form is the 3rd form, so that the length of the Downlink Control Information that described DCI form is the first form and DCI form are Downlink Control Information equal in length of the second form, the length of the Downlink Control Information that described DCI form is the first form and DCI form are Downlink Control Information equal in length of the 3rd form, described at least one bit comprises: filler, for represent whether to trigger detection reference signal SRS aperiodic transmission bit and at least one of the bit that represents to carry out continuous resource distribution or carry out discontinuous resource distribution,
Wherein, described DCI form is the Downlink Control Information of the first form, comprises that DCI form is the downlink physical control channel PDCCH signaling of the first form; Described DCI form is the Downlink Control Information of the second form, comprises that DCI form is the PDCCH signaling of form 0; Described DCI form is the Downlink Control Information of the 3rd form, comprises that DCI form is the PDCCH signaling of form 1A; Identical except being used to indicate information bit and the bit that is used to indicate the information bit that described UE reports CSI of DCI form of this PDCCH signaling in the PDCCH signaling that the bit except described the first indication information in the PDCCH signaling that described DCI form is the first form is form 0 with described DCI form.
2. the method for claim 1, is characterized in that,
Described the first indication information comprises two bits;
The DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form, comprising:
Described the first indication information take by the value of described two bits that to indicate the DCI form of described Downlink Control Information be described the first form.
3. the method for claim 1, is characterized in that,
Described the first indication information comprises the first cyclic redundancy check (CRC) scrambler, and only for being the first form to described DCI form, Downlink Control Information carries out scrambling to a described CRC scrambler;
The DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form, comprising:
Use the Downlink Control Information that a described CRC scrambler is the first form to described DCI form to carry out scrambling, so that if described subscriber equipment carries out descrambling to described Downlink Control Information after receiving described Downlink Control Information, determine that base station used a described CRC scrambler to carry out scrambling to described Downlink Control Information, determine that the DCI form of described Downlink Control Information is the first form.
4. the method for claim 1, is characterized in that,
Described the first indication information comprises that DCI form is an indication bit position and first bit of the Downlink Control Information of the 3rd form;
The DCI form that described the first indication information is used to indicate described PDCCH signaling is described the first form, comprising:
Described the first indication information take by the value of described the first bit that to indicate the DCI form of described Downlink Control Information be described the first form;
When the value of described the first bit is the first numerical value, described Downlink Control Information is that DCI form is the PDCCH signaling of the first form;
When the value of described the first bit is second value, described Downlink Control Information is that DCI form is the Downlink Control Information of the 3rd form.
5. method as described in claim 1, is characterized in that,
Downlink member carrier in described the first member carrier collection comprises that configuration is at least one downlink member carrier of described UE; And/or,
Downlink member carrier in described the first member carrier collection comprises the downlink member carrier of the activation of described UE.
6. the method as described in any one in claim 1 to 5, is characterized in that, described, sends before described DCI form is the Downlink Control Information of the first form to described UE, and described method also comprises:
To described UE, send radio resource control RRC signaling, described RRC signaling is for configuring described the first member carrier collection to described UE; Or,
In described base station and described UE, configure described the first member carrier collection.
7. the method as described in any one in claim 1 to 5, is characterized in that, describedly to described UE, sends the Downlink Control Information that described DCI form is the first form, comprising:
In the specific search volume UESS of UE, to described UE, send the Downlink Control Information that described DCI form is the first form.
8. a base station, is characterized in that, described base station comprises:
Generation module, for generating Downlink Control Information DCI form, it is the Downlink Control Information of the first form, the Downlink Control Information that described DCI form is the first form is for triggering the reporting of channel condition information CSI of downlink member carrier of the first member carrier collection of user equipment (UE), the Downlink Control Information that described DCI form is the first form comprises the first indication information, and the DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form;
Sending module, for sending the Downlink Control Information that described DCI form that described generation module generates is the first form to described UE, take, trigger the CSI that Downlink Control Information that described UE is the first form according to described DCI form reports the downlink member carrier in described the first member carrier collection;
Described generation module, also for by the Downlink Control Information that is the first form at described DCI form, DCI form is to add at least one bit at least one Downlink Control Information in the Downlink Control Information of the second form and Downlink Control Information that DCI form is the 3rd form, so that the length of the Downlink Control Information that described DCI form is the first form and DCI form are Downlink Control Information equal in length of the second form, the length of the Downlink Control Information that described DCI form is the first form and DCI form are Downlink Control Information equal in length of the 3rd form, described at least one bit comprises: filler, for represent whether to trigger detection reference signal SRS aperiodic transmission bit and at least one of the bit that represents to carry out continuous resource distribution or carry out discontinuous resource distribution,
Wherein, described DCI form is the Downlink Control Information of the first form, comprises that DCI form is the downlink physical control channel PDCCH signaling of the first form; Described DCI form is the Downlink Control Information of the second form, comprises that DCI form is the PDCCH signaling of form 0; Described DCI form is the Downlink Control Information of the 3rd form, comprises that DCI form is the PDCCH signaling of form 1A; Identical except being used to indicate information bit and the bit that is used to indicate the information bit that described UE reports CSI of DCI form of this PDCCH signaling in the PDCCH signaling that the bit except described the first indication information in the PDCCH signaling that described DCI form is the first form is form 0 with described DCI form.
9. base station as claimed in claim 8, is characterized in that, described base station also comprises:
Module is set, for when described the first indication information comprises two bits, the value of described two bits is set, it is described the first form that described the first indication information is indicated the DCI form of described Downlink Control Information by the value of described two bits, so that described generation module generates the Downlink Control Information that described DCI form is the first form.
10. base station as claimed in claim 8, is characterized in that, described base station also comprises:
Scrambling module, for using the Downlink Control Information that a CRC scrambler is the first form to the described DCI form of described generation module generation to carry out scrambling, the Downlink Control Information that is the first form by the described DCI form after scrambling sends to described sending module, only for being the first form to described DCI form, Downlink Control Information carries out scrambling to a described CRC scrambler, if use a described CRC scrambler to carry out scrambling to described Downlink Control Information so that described subscriber equipment is determined described base station in descrambling process, the DCI form of determining described Downlink Control Information is the first form.
11. base stations as described in claim 8 to 10 any one claim, is characterized in that,
Described sending module, also, for sending radio resource control RRC signaling to described UE, described RRC signaling is for configuring described the first member carrier collection to described UE.
12. 1 kinds of subscriber equipmenies, is characterized in that, described subscriber equipment comprises:
Receiver module, for receiving Downlink Control Information DCI form, it is the Downlink Control Information of the first form, described Downlink Control Information is for triggering the reporting of channel condition information CSI of downlink member carrier of the first member carrier collection of described subscriber equipment, the Downlink Control Information that described DCI form is the first form comprises the first indication information, and the DCI form that described the first indication information is used to indicate described Downlink Control Information is described the first form;
Reporting module, the Downlink Control Information for being the first form according to the described DCI form of described receiver module reception, triggers and to base station, reports the CSI of the downlink member carrier in described the first member carrier collection;
Wherein, the length of the Downlink Control Information that described DCI form is the first form and DCI form are Downlink Control Information equal in length of the second form, and the length of the Downlink Control Information that described DCI form is the first form and DCI form are Downlink Control Information equal in length of the 3rd form; Described DCI form is the Downlink Control Information of the first form, comprises that DCI form is the downlink physical control channel PDCCH signaling of the first form; Described DCI form is the Downlink Control Information of the second form, comprises that DCI form is the PDCCH signaling of form 0; Described DCI form is the Downlink Control Information of the 3rd form, comprises that DCI form is the PDCCH signaling of form 1A; Identical except being used to indicate information bit and the bit that is used to indicate the information bit that UE reports CSI of DCI form of this PDCCH signaling in the PDCCH signaling that the bit except described the first indication information in the PDCCH signaling that described DCI form is the first form is form 0 with described DCI form.
13. subscriber equipmenies as claimed in claim 12, is characterized in that,
Described receiver module, also for receiving described Downlink Control Information at described receiver module, when the first indication information of described Downlink Control Information comprises two bits, according to the value of described two bits, the DCI form of determining described Downlink Control Information is described the first form.
14. subscriber equipmenies as claimed in claim 12, is characterized in that, described subscriber equipment also comprises descrambling module,
Described descrambling module, for described Downlink Control Information being carried out to descrambling after described receiver module receives described Downlink Control Information, determine that described base station use the one CRC scrambler carries out scrambling to described Downlink Control Information, only for being the first form to described DCI form, Downlink Control Information carries out scrambling to the one CRC scrambler, determines that the DCI form of described Downlink Control Information is the first form.
15. subscriber equipmenies as described in claim 12 to 14 any one claim, is characterized in that, described subscriber equipment also comprises configuration module,
Described receiver module, the radio resource control RRC signaling also sending for receiving described base station, described RRC signaling is for configuring described the first member carrier collection to described subscriber equipment;
Described configuration module, the described RRC signaling for receiving according to described receiver module, configures described the first member carrier collection;
Described reporting module, also for reporting the CSI of the downlink member carrier of described the first member carrier collection according to described first member carrier collection of described configuration module configuration to described base station.
16. subscriber equipmenies as described in claim 12 to 14 any one claim, is characterized in that, described subscriber equipment also comprises module is set,
The described module that arranges, for arranging described the first member carrier collection at described subscriber equipment;
Described reporting module, also for reporting the CSI of the downlink member carrier of described the first member carrier collection according to described described the first member carrier collection that module setting is set to described base station.
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| WO2017049533A1 (en) * | 2015-09-24 | 2017-03-30 | 华为技术有限公司 | Method for updating moment of reporting channel state information, and communication device and system |
| KR20190062459A (en) | 2016-09-30 | 2019-06-05 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | Method and apparatus for transmitting channel state information |
| CN111684747B (en) * | 2018-02-09 | 2021-12-17 | 华为技术有限公司 | Method and terminal equipment for transmitting information |
| CN111226456A (en) | 2018-09-27 | 2020-06-02 | Oppo广东移动通信有限公司 | Method and device for determining trigger state, terminal and network equipment |
| JP7271709B2 (en) * | 2019-04-02 | 2023-05-11 | オッポ広東移動通信有限公司 | DATA TRANSMISSION METHOD AND RELATED DEVICE |
| CN113541860B (en) * | 2020-04-22 | 2023-08-22 | 维沃移动通信有限公司 | Control signaling format determining method, indicating method and equipment |
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| EP2335360B1 (en) * | 2008-09-26 | 2017-11-08 | Samsung Electronics Co., Ltd. | Apparatus and methods for supporting transmission of sounding reference signals with multiple antennas |
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