Summary of the invention
The embodiment of the invention provides a kind of channel information feedback method, device and system, has saved the expense of feedback channel information.
The embodiment of the invention proposes a kind of channel information feedback method, is applied to comprise in the system of base station and subscriber equipment, said method comprising the steps of:
Described subscriber equipment is united the channel information at least two descending carriers of same sub-frame of uplink location transmission, generates multiple carrier channel information;
Described subscriber equipment carries out Base-Band Processing to described multiple carrier channel information;
Described subscriber equipment sends to described base station by the multiple carrier channel information of up channel after with described Base-Band Processing.
Preferably, described subscriber equipment is united the channel information at least two descending carriers of same sub-frame of uplink location transmission, generates multiple carrier channel information, comprising:
Described subscriber equipment directly merges the channel information of described two descending carriers in same sub-frame of uplink location transmission at least, generates described multiple carrier channel information; Or
Described subscriber equipment carries out differential cascade to the channel information of described at least two descending carriers in same sub-frame of uplink location transmission, generates described multiple carrier channel information.
Preferably, described subscriber equipment carries out differential cascade to the channel information at least two descending carriers of same sub-frame of uplink location transmission, generates described multiple carrier channel information, comprising:
Described subscriber equipment from described at least two descending carriers of same sub-frame of uplink location transmission channel information the selection reference carrier wave, descending carrier except that described reference carrier in described at least two descending carriers as non-reference carrier, is obtained the reference channel information of described reference carrier correspondence;
Described subscriber equipment obtains the difference information between described non-reference carrier and the described reference carrier;
Described subscriber equipment carries out cascade to described reference channel information and described difference information, generates described multiple carrier channel information.
Preferably, the mean value of the channel information of the described reference channel information channel information that is described reference carrier or described at least two descending carriers in same sub-frame of uplink location transmission.
Preferably, the described channel information that carries out at least two descending carriers of differential cascade is the channel information of same type.
Preferably, described subscriber equipment is united the channel information at least two descending carriers of same sub-frame of uplink location transmission, generates before the multiple carrier channel information, also comprises:
Described base station agreement multiple carrier channel information create-rule;
Described subscriber equipment is notified with described multiple carrier channel information create-rule in described base station.
Preferably, described base station is specially multiple carrier channel information create-rule notifying user equipment:
Described base station sends high-level signaling or control signaling to described subscriber equipment, all carries described multiple carrier channel information create-rule in described high-level signaling and the described control signaling.
Preferably, described subscriber equipment is united the channel information at least two descending carriers of same sub-frame of uplink location transmission, generates before the multiple carrier channel information, also comprises:
Described base station and described subscriber equipment are arranged multiple carrier channel information create-rule jointly.
Preferably, described subscriber equipment is united the channel information at least two descending carriers of same sub-frame of uplink location transmission, generates before the multiple carrier channel information, also comprises:
Described subscriber equipment agreement multiple carrier channel information create-rule;
Described subscriber equipment reports described multiple carrier channel information create-rule to described base station.
Preferably, described subscriber equipment sends to after the described base station by the multiple carrier channel information of up channel after with described Base-Band Processing, also comprises:
The multiple carrier channel information of described base station after to the described Base-Band Processing that receives is carried out channel-decoding;
Described base station obtains the channel information of different descending carriers in the described multiple carrier channel information according to described multiple carrier channel information create-rule.
Preferably, described multiple carrier channel information create-rule comprises at least one in the following content:
The content of the ordinal relation in the described multiple carrier channel information between the channel information of different descending carriers, the selective rule of described reference carrier and described reference channel information.
Preferably, the channel information of described descending carrier comprises at least one item in the following content:
Sub-band channel quality indication CQI information, order indication RI information, broadband CQI information and broadband pre-coding matrix indication PMI information.
Preferably, the size of described multiple carrier channel information is not more than 13 bits.
The embodiment of the invention also proposes a kind of subscriber equipment, comprising:
Generation module is used to unite the channel information at least two descending carriers of same sub-frame of uplink location transmission, generates multiple carrier channel information;
Baseband processing module electrically connects with described generation module, is used for the described multiple carrier channel information that described generation module generates is carried out Base-Band Processing;
Sending module electrically connects with described baseband processing module, and the multiple carrier channel information after being used for by up channel described baseband processing module being handled sends to the base station.
Preferably, described generation module also is used for the channel information of described at least two descending carriers in same sub-frame of uplink location transmission is directly merged, and generates described multiple carrier channel information; Or
Channel information to described at least two descending carriers in same sub-frame of uplink location transmission carries out differential cascade, generates described multiple carrier channel information.
Preferably, described generation module comprises:
The chooser module, be used for from described at least two descending carrier selection reference carrier waves at same sub-frame of uplink location transmission channel information, descending carrier except that described reference carrier in described at least two descending carriers as non-reference carrier, is obtained the reference channel information of described reference carrier correspondence;
Obtain submodule, electrically connect, be used to obtain the difference information between described non-reference carrier and the described reference carrier with described chooser module;
Generate submodule, electrically connect, be used for described reference channel information and described difference information are carried out cascade, generate described multiple carrier channel information with described chooser module and the described submodule that obtains.
Preferably, described subscriber equipment also comprises:
The agreement module electrically connects with described generation module, is used to arrange multiple carrier channel information create-rule, generates described multiple carrier channel information for described generation module;
Reporting module electrically connects with described agreement module, is used for reporting to described base station the described multiple carrier channel information create-rule of described agreement module agreement.
The embodiment of the invention also proposes a kind of base station, comprising:
First acquisition module is used to obtain multiple carrier channel information create-rule;
Receiver module is used to receive the multiple carrier channel information from after the Base-Band Processing of subscriber equipment;
Decoder module electrically connects with described receiver module, and the multiple carrier channel information after the described Base-Band Processing that is used for described receiver module is received is carried out channel-decoding;
Second acquisition module electrically connects with described first acquisition module and described decoder module, is used for the multiple carrier channel information create-rule that obtains according to described first acquisition module, obtains the channel information of different descending carriers in the described multiple carrier channel information.
Preferably, described first acquisition module comprises:
About stator modules is used to arrange described multiple carrier channel information create-rule; And/or
Receive submodule, be used to receive described multiple carrier channel information create-rule from described subscriber equipment.
Preferably, described base station also comprises:
Notification module electrically connects with described first acquisition module, is used for notifying described subscriber equipment with the multiple carrier channel information create-rule of described agreement.
The embodiment of the invention also proposes a kind of feedback of channel information system, comprising:
Subscriber equipment, be used to unite channel information at least two descending carriers of same sub-frame of uplink location transmission, generate multiple carrier channel information, described multiple carrier channel information is carried out Base-Band Processing, send to the base station by the multiple carrier channel information of up channel after with described Base-Band Processing.
The base station is used to receive the multiple carrier channel information from after the described Base-Band Processing of described subscriber equipment, and described multiple carrier channel information is carried out channel-decoding, obtains the channel information of different descending carriers in the described multiple carrier channel information.
Preferably, described subscriber equipment also is used to arrange multiple carrier channel information create-rule, reports the multiple carrier channel information create-rule of described agreement to described base station.
Preferably, described base station also is used to arrange multiple carrier channel information create-rule, notifies described subscriber equipment with the multiple carrier channel information create-rule of described agreement.
The technical scheme of the embodiment of the invention has the following advantages, because channel information at least two descending carriers of same sub-frame of uplink position associating, generate multiple carrier channel information, and this multiple carrier channel information is sent to the base station, saved the feedback overhead of channel information effectively.
Embodiment
The embodiment of the invention is applied to comprise the multicarrier system of base station and subscriber equipment, wherein, subscriber equipment adopts the mode of directly merging or differential cascade, channel information at least two descending carriers of same sub-frame of uplink position associating, generate multiple carrier channel information, and multiple carrier channel information carried out Base-Band Processing, the multiple carrier channel information after the Base-Band Processing is sent to the base station.
Below in conjunction with the accompanying drawing in the embodiment of the invention, the technical scheme in the embodiment of the invention is clearly and completely described, 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 belong to the scope of protection of the invention not making the every other embodiment that is obtained under the creative work prerequisite.
As shown in Figure 2, a kind of channel information feedback method flow chart in the embodiment of the invention one may further comprise the steps:
Step 201, subscriber equipment are united the channel information at least two descending carriers of same sub-frame of uplink location transmission, generate multiple carrier channel information.
The channel information of descending carrier comprises at least one in the following content: subband CQI information, RI information, broadband CQI information and broadband P MI information.In the multicarrier system, the carrier wave of a plurality of polymerizations can adopt different transmission modes, and different transmission modes need be supported by different feedback of channel information patterns, can comprise multiple reporting types in every kind of feedback of channel information pattern.As shown in table 1, in PUCCH (Physical Uplink Control Channel, Physical Uplink Control Channel), the expense of the reporting types that every kind of feedback of channel information pattern comprises.
The expense table of the reporting types that every kind of feedback model of table 1 comprises
Wherein, NA represents not report, and L represents positional information.Be limited to 13bits on the expense of channel information in PUCCH, the expense upper limit of channel information in PUSCH (Physical Uplink Shared Channe, Physical Uplink Shared Channel) is greater than 13bits.
Because different carrier can adopt similar and different feedback of channel information pattern, subscriber equipment can be united the channel information of a plurality of descending carriers in same sub-frame of uplink position, generates the multiple carrier channel information that is not more than 13 bits.For example, descending carrier 1 is in the RI information of the 0th frame feedback 2bits, descending carrier 2 also in the RI information of the 0th frame feedback 2bits, can unite the RI information of descending carrier 1 and descending carrier 2 feedbacks at the 0th frame, generates the multiple carrier channel information of 4bits by subscriber equipment.Subscriber equipment also can be united the channel information of different reporting types in same sub-frame of uplink position, for example, at the 0th frame the RI information of the 2bits of the CQI information of the 4bits of descending carrier 1 feedback and descending carrier 2 feedbacks is united, generate the multiple carrier channel information of 6bits.
Can to be subscriber equipment directly merge the channel information at least two descending carriers of same sub-frame of uplink location transmission subscriber equipment the mode at the channel information of at least two descending carriers of same sub-frame of uplink location transmission of uniting, and also can be subscriber equipment carries out differential cascade to the channel information at least two descending carriers of same sub-frame of uplink location transmission.The above-mentioned channel information that carries out at least two descending carriers of differential cascade is the channel information of same type.
In the multiple carrier channel information that subscriber equipment generates, the ordinal relation between the channel information of different descending carriers can be arranged by subscriber equipment self, and uploads to the base station by subscriber equipment; Also can arrange, and pass through high-level signaling or control transmitting signaling downwards, can also arrange jointly through consultation by base station and subscriber equipment to subscriber equipment by the base station by the base station.
Step 202, subscriber equipment carries out Base-Band Processing to multiple carrier channel information.
Subscriber equipment carries out Base-Band Processing to multiple carrier channel information, comprises steps such as coding, modulation, spread spectrum and physical resource mapping, can continue to use the processing mode of the ascending control channel form 2 of LTE Release 8 version definition.Particularly, subscriber equipment uses a (20 to multiple carrier channel information, A) sign indicating number carries out chnnel coding, and by QPSK (Quadrature Phase Shift Keying, Quadrature Phase Shift Keying) modulation obtains 10 symbols, and the cyclically shifted sequences that re-uses length and be 12 carries out spread spectrum to modulation symbol, and the multiple carrier channel information behind the spread spectrum adopts the mode of frequency hopping to be mapped in the subframe, be that the employed frequency band of transmitting channel information is different in two time slots in the same subframe.
Step 203, subscriber equipment sends to the base station by the multiple carrier channel information of up channel after with Base-Band Processing.
Subscriber equipment can be specified in advance to the up channel that the base station sends multiple carrier channel information.
The technical scheme of the embodiment of the invention has the following advantages, because channel information at least two descending carriers of same sub-frame of uplink position associating, generate multiple carrier channel information, and multiple carrier channel information carried out Base-Band Processing, multiple carrier channel information after the Base-Band Processing is sent to the base station, saved the feedback overhead of channel information effectively.
As shown in Figure 3, a kind of channel information feedback method flow chart in the embodiment of the invention two may further comprise the steps:
Step 301, base station agreement multiple carrier channel information create-rule.
Multiple carrier channel information create-rule can comprise the ordinal relation between the channel information of different descending carriers in the multiple carrier channel information, before user terminal generates multiple carrier channel information, the ordinal relation in the agreement multiple carrier channel information of base station between the channel information of different descending carriers.For example, descending carrier 1 is in the RI information of the 0th frame feedback 2bits, descending carrier 2 also feeds back the RI information of 2bits at the 0th frame, subscriber equipment can be united the RI information of descending carrier 1 and descending carrier 2 feedbacks at the 0th frame, generate the multiple carrier channel information of 4bits, 2bits information was the RI information of descending carrier 1 before the base station can be arranged in this multiple carrier channel information, the RI information that back 2bits information is descending carrier 2.
Step 302, the base station is with multiple carrier channel information create-rule notifying user equipment.
After the ordinal relation in the agreement multiple carrier channel information of base station between the channel information of different descending carriers, can send high-level signaling or control signaling to subscriber equipment, all carry the ordinal relation between the channel information of different descending carriers in this high-level signaling and this control signaling.
Need to prove that this step is a preferred steps.When base station and subscriber equipment are arranged multiple carrier channel information create-rule jointly, can not carry out this step, promptly the base station does not need multiple carrier channel information create-rule notifying user equipment.
Step 303, subscriber equipment directly merges the channel information at least two descending carriers of same sub-frame of uplink location transmission, generates multiple carrier channel information.
Subscriber equipment receives from the high-level signaling of base station or control information, obtain the ordinal relation between the channel information of different descending carriers, and according to this ordinal relation the channel information at least two descending carriers of same sub-frame of uplink location transmission is directly merged, generate the multiple carrier channel information that is not more than 13 bits.
Step 304, subscriber equipment carries out Base-Band Processing to multiple carrier channel information.
Base-Band Processing comprises steps such as coding, modulation, spread spectrum and physical resource mapping, can continue to use the processing mode of the ascending control channel form 2 of LTERelease 8 version definition.
The multiple carrier channel information of step 305, the subscriber equipment up channel by appointment after with Base-Band Processing sends to the base station.
Step 306, the base station multiple carrier channel information after to the Base-Band Processing that receives is carried out channel-decoding.
Channel-decoding can comprise treatment steps such as demodulation, decoding.
Step 307, base station are obtained the channel information of different descending carriers in the multiple carrier channel information according to multiple carrier channel information create-rule.
Need to prove that the inventive method can be adjusted each sequence of steps according to actual needs.
The technical scheme of the embodiment of the invention has the following advantages, because channel information at least two descending carriers of same sub-frame of uplink position associating, generate multiple carrier channel information, and multiple carrier channel information carried out Base-Band Processing, save the feedback overhead of channel information effectively, improved the error correcting capability in the channel information transmission course.
As shown in Figure 4, a kind of channel information feedback method flow chart in the embodiment of the invention three may further comprise the steps:
Step 401, subscriber equipment agreement multiple carrier channel information create-rule.
Multiple carrier channel information create-rule comprises at least one in the following content: the content of the ordinal relation in the multiple carrier channel information between the channel information of different descending carriers, the selective rule of reference carrier and reference channel information.
Step 402, subscriber equipment reports multiple carrier channel information create-rule to the base station.
User terminal generates before the multiple carrier channel information, the ordinal relation in the agreement multiple carrier channel information between the channel information of different descending carriers, and this ordinal relation reported the base station.
Step 403, subscriber equipment is from selection reference carrier wave at least two descending carriers of same sub-frame of uplink location transmission channel information, descending carrier except that reference carrier in these at least two descending carriers as non-reference carrier, is obtained the reference channel information of reference carrier correspondence.
Reference channel information is the channel information of reference carrier or at the mean value of the channel information of at least two descending carriers of same sub-frame of uplink location transmission.With CQI information is example, CQI magnitude in the CQI information of descending carrier 1, descending carrier 2 and the descending carrier 3 of same sub-frame of uplink location transmission is respectively 5,1 and at 15 o'clock, if select descending carrier 1 as reference carrier, then reference channel information can be the CQI magnitude 5 in the CQI information of descending carrier 1, also can be the mean value of the CQI magnitude in the CQI information of descending carrier 1, descending carrier 2 and descending carrier 3, i.e. (5+1+15)/3=7.
Step 404, subscriber equipment are obtained the difference information between non-reference carrier and the reference carrier.
For example, CQI magnitude in the CQI information of descending carrier 1, descending carrier 2 and the descending carrier 3 of same sub-frame of uplink location transmission is respectively 5,1 and at 15 o'clock, select descending carrier 1 as reference carrier, descending carrier 2 and descending carrier 3 are non-reference carrier, the size of the reference channel information of reference carrier correspondence is 4bits, and the size of the difference information of non-reference carrier correspondence is 3bits.The difference information of 3bits is the difference of 8 magnitudes of expression at most, i.e. 3,2,1,0 ,-1 ,-2 ,-3 and-4 magnitudes.During reference channel information correspondence CQI magnitude 5, the difference information of descending carrier 2 and descending carrier 3 correspondences is corresponding CQI magnitude 1 and CQI magnitude 8 respectively; During reference channel information correspondence CQI magnitude 7, the difference information of descending carrier 2 and descending carrier 3 correspondences is corresponding CQI magnitude 3 and CQI magnitude 10 respectively.
Step 405, subscriber equipment carries out cascade to reference channel information and difference information, generates multiple carrier channel information.
Step 406, subscriber equipment carries out Base-Band Processing to multiple carrier channel information.
Base-Band Processing comprises steps such as coding, modulation, spread spectrum and physical resource mapping, can continue to use the processing mode of the ascending control channel form 2 of LTERelease 8 version definition.
The multiple carrier channel information of step 407, the subscriber equipment up channel by appointment after with Base-Band Processing sends to the base station.
Step 408, the base station multiple carrier channel information after to the Base-Band Processing that receives is carried out channel-decoding.
Channel-decoding can comprise treatment steps such as demodulation, decoding.
Step 409, base station are obtained the channel information of different descending carriers in the multiple carrier channel information according to multiple carrier channel information create-rule.
Need to prove that the inventive method can be adjusted each sequence of steps according to actual needs.
The technical scheme of the embodiment of the invention has the following advantages, because channel information at least two descending carriers of same sub-frame of uplink position associating, generate multiple carrier channel information, and multiple carrier channel information carried out Base-Band Processing, save the feedback overhead of channel information effectively, improved the error correcting capability in the channel information transmission course.
As shown in Figure 5, a kind of user device architecture schematic diagram in the embodiment of the invention four comprises:
Generation module 510 is used to unite the channel information at least two descending carriers of same sub-frame of uplink location transmission, generates multiple carrier channel information.
Because different descending carriers can adopt similar and different feedback of channel information pattern, generation module 510 can be united the channel information of a plurality of descending carriers in same sub-frame of uplink position, generates multiple carrier channel information.For example, descending carrier 1 is in the RI information of the 0th frame feedback 2bits, descending carrier 2 also in the RI information of the 0th frame feedback 2bits, can unite the RI information of descending carrier 1 and descending carrier 2 feedbacks at the 0th frame, generates the multiple carrier channel information of 4bits by subscriber equipment.Subscriber equipment also can be united the channel information of different reporting types in same sub-frame of uplink position, for example, at the 0th frame the RI information of the 2bits of the CQI information of the 4bits of descending carrier 1 feedback and descending carrier 2 feedbacks is united, generate the multiple carrier channel information of 6bits.
Above-mentioned generation module 510 is the channel informations of being responsible in the above subscriber equipment uniting at least two descending carriers of same sub-frame of uplink location transmission, generates the part of multiple carrier channel information, can be software, hardware or both combinations.
Above-mentioned generation module 510 also is used for the channel information at least two descending carriers of same sub-frame of uplink location transmission is directly merged, and generates multiple carrier channel information; Or
Channel information at least two descending carriers of same sub-frame of uplink location transmission is carried out differential cascade, generate multiple carrier channel information.
The above-mentioned channel information that carries out at least two descending carriers of differential cascade is the channel information of same type.
Baseband processing module 520 electrically connects with generation module 510, is used for the multiple carrier channel information that generation module 510 generates is carried out Base-Band Processing.
Treatment steps such as 520 pairs of multiple carrier channel information of baseband processing module are encoded, modulation, spread spectrum and physical resource mapping, the processing method of each step can be continued to use the processing mode of the ascending control channel form 2 of LTE Release 8 version definition.
Sending module 530 electrically connects with baseband processing module 520, and the multiple carrier channel information after being used for by up channel baseband processing module 520 being handled sends to the base station.
Above-mentioned sending module 530 is parts of being responsible for sending to by the multicarrier letter of up channel after with Base-Band Processing the base station in the above subscriber equipment, can be software, hardware or both combinations.
Agreement module 540 electrically connects with generation module 510, is used to arrange multiple carrier channel information create-rule, generates multiple carrier channel information for generation module 510.
Multiple carrier channel information create-rule comprises at least one in the following content: the content of the ordinal relation in the multiple carrier channel information between the channel information of different descending carriers, the selective rule of reference carrier and reference channel information.
Above-mentioned agreement module 540 is to be responsible for the part of agreement multiple carrier channel information create-rule in the above subscriber equipment, can be software, hardware or both combinations.
Reporting module 550 electrically connects with agreement module 540, is used for reporting to the base station multiple carrier channel information create-rule of agreement module 540 agreements.
Above-mentioned reporting module 550 is to be responsible for reporting to the base station part of the multiple carrier channel information create-rule of agreement in the above subscriber equipment, can be software, hardware or both combinations.
Above-mentioned generation module 510 comprises:
Chooser module 511, be used for from least two descending carrier selection reference carrier waves at same sub-frame of uplink location transmission channel information, descending carrier except that reference carrier in these at least two descending carriers as non-reference carrier, is obtained the reference channel information of reference carrier correspondence.
Reference channel information is the channel information of reference carrier or at the mean value of the channel information of at least two descending carriers of same sub-frame of uplink location transmission.
Obtain submodule 512, electrically connect, be used to obtain the difference information between non-reference carrier and the reference carrier with chooser module 512.
Non-reference carrier and reference carrier are at same sub-frame of uplink location transmission channel information.
Generate submodule 513, with chooser module 511 with obtain submodule 512 and electrically connect, be used for reference channel information and difference information are carried out cascade, generate multiple carrier channel information.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
The technical scheme of the embodiment of the invention has the following advantages, by the channel information of subscriber equipment at least two descending carriers of same sub-frame of uplink position associating, generate multiple carrier channel information, and multiple carrier channel information carried out Base-Band Processing, save the feedback overhead of channel information effectively, improved the error correcting capability in the channel information transmission course.
As shown in Figure 6, a kind of architecture of base station schematic diagram in the embodiment of the invention five comprises:
First acquisition module 610 is used to obtain multiple carrier channel information create-rule.
Multiple carrier channel information create-rule comprises at least one in the following content: the content of the ordinal relation in the multiple carrier channel information between the channel information of different descending carriers, the selective rule of reference carrier and reference channel information.
Above-mentioned first acquisition module 610 is parts of being responsible for obtaining multiple carrier channel information create-rule in the above base station, can be software, hardware or both combinations.
Receiver module 620 is used to receive the multiple carrier channel information from after the Base-Band Processing of subscriber equipment.
Above-mentioned receiver module 620 is parts of being responsible in the above base station receiving from the multiple carrier channel information after the Base-Band Processing of subscriber equipment, can be software, hardware or both combinations.
Decoder module 630 electrically connects with receiver module 620, and the multiple carrier channel information after the Base-Band Processing that is used for receiver module 620 is received is carried out channel-decoding.
Multiple carrier channel information after 630 pairs of Base-Band Processing of decoder module is carried out treatment steps such as demodulation, decoding.
Second acquisition module 640 electrically connects with first acquisition module 610 and decoder module 630, is used for the multiple carrier channel information create-rule that obtains according to first acquisition module 610, obtains the channel information of different descending carriers in the multiple carrier channel information.
Above-mentioned second acquisition module 640 is to be responsible in the above base station obtaining the part of the channel information of different descending carriers in the multiple carrier channel information according to multiple carrier channel information create-rule, can be software, hardware or both combinations.
Above-mentioned first acquisition module 610 comprises:
About stator modules 611 is used to arrange multiple carrier channel information create-rule; And/or
Receive submodule 612, be used to receive multiple carrier channel information create-rule from subscriber equipment.
The multiple carrier channel information create-rule that first acquisition module 610 obtains can obtain by about stator modules 611 agreements, also can receive from subscriber equipment by receiving submodule 612.
Above-mentioned base station also comprises:
Notification module 650 electrically connects with first acquisition module 610, is used for the multiple carrier channel information create-rule notifying user equipment with agreement.
Multiple carrier channel information create-rule by about stator modules 611 approximately regularly, the multiple carrier channel information create-rule that notification module 650 will about stator modules 611 agreements sends to subscriber equipment, generates multiple carrier channel information for subscriber equipment.
Above-mentioned notification module 650 is parts of being responsible in the above base station the multiple carrier channel information create-rule notifying user equipment of agreement, can be software, hardware or both combinations.
Wherein, each module of apparatus of the present invention can be integrated in one, and also can separate deployment.Above-mentioned module can be merged into a module, also can further split into a plurality of submodules.
The technical scheme of the embodiment of the invention has the following advantages, by the base station according to the multiple carrier channel information create-rule that obtains, obtain the channel information of at least two descending carriers in same sub-frame of uplink position, save the feedback overhead of channel information effectively, improved the error correcting capability in the channel information transmission course.
As shown in Figure 7, a kind of feedback of channel information system configuration schematic diagram in the embodiment of the invention six comprises:
Subscriber equipment 710, be used to unite channel information at least two descending carriers of same sub-frame of uplink location transmission, generate multiple carrier channel information, this multiple carrier channel information is carried out Base-Band Processing, send to base station 720 by the multiple carrier channel information of up channel after with Base-Band Processing.
The mode that subscriber equipment 710 is united at the channel information of two descending carriers of same sub-frame of uplink location transmission at least can be that 710 pairs of channel informations at least two descending carriers of same sub-frame of uplink location transmission of subscriber equipment directly merge, and also can be that 710 pairs of channel informations at least two descending carriers of same sub-frame of uplink location transmission of subscriber equipment carry out differential cascade.
Base station 720 is used to receive the multiple carrier channel information from after the Base-Band Processing of subscriber equipment 710, and this multiple carrier channel information is carried out channel-decoding, obtains the channel information of different descending carriers in this multiple carrier channel information.
Channel-decoding can comprise treatment steps such as demodulation, decoding.
Above-mentioned subscriber equipment 710 also is used to arrange multiple carrier channel information create-rule, reports the multiple carrier channel information create-rule of agreement to base station 720.
Multiple carrier channel information create-rule comprises at least one in the following content: the content of the ordinal relation in the multiple carrier channel information between the channel information of different descending carriers, the selective rule of reference carrier and reference channel information.Multiple carrier channel information create-rule is by subscriber equipment 710 timing approximately, and subscriber equipment 710 reports the multiple carrier channel information create-rule of agreement to base station 720.
Above-mentioned base station 720 also is used to arrange multiple carrier channel information create-rule, with the multiple carrier channel information create-rule notifying user equipment 710 of agreement.
Multiple carrier channel information create-rule is by base station 720 timing approximately, and base station 720 sends to subscriber equipment 710 by high-level signaling or control signaling with the multiple carrier channel information create-rule of arranging.
The technical scheme of the embodiment of the invention has the following advantages, by the channel information of subscriber equipment at least two descending carriers of same sub-frame of uplink position associating, generate multiple carrier channel information, and multiple carrier channel information carried out Base-Band Processing, save the feedback overhead of channel information effectively, improved the error correcting capability in the channel information transmission course.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform, can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding, the part that technical scheme of the present invention contributes to prior art in essence in other words can embody with the form of software product, this computer software product is stored in the storage medium, comprise that some instructions are with so that a station terminal equipment (can be mobile phone, personal computer, server, the perhaps network equipment etc.) carry out the described method of each embodiment of the present invention.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be looked protection scope of the present invention.
It will be appreciated by those skilled in the art that the module in the device among the embodiment can be distributed in the device of embodiment according to the embodiment description, also can carry out respective change and be arranged in the one or more devices that are different from present embodiment.The module of the foregoing description can be merged into a module, also can further split into a plurality of submodules.
The invention described above embodiment sequence number is not represented the quality of embodiment just to description.
More than disclosed only be several specific embodiment of the present invention, still, the present invention is not limited thereto, any those skilled in the art can think variation all should fall into protection scope of the present invention.