CN104079374A - Method and device for adjusting channel quality indication in real time and user equipment - Google Patents
Method and device for adjusting channel quality indication in real time and user equipment Download PDFInfo
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Abstract
The invention relates to a method for adjusting channel quality indication in real time in user equipment in a downlink wireless communication network with frequency division duplex. The method includes the following steps that non-zero power channel state information reference signal configuration information, interference measurement resource configuration information and codebook configuration information are received from the downlink wireless communication network with frequency division duplex; according to the non-zero power channel state information reference signal configuration information, a channel is measured, so that first channel information is obtained, and a precoding matrix index is selected according to the first channel information and the codebook configuration information; according to the first channel information and the precoding matrix index, first residual interference is determined. According to the method, the first residual interference is introduced so that the channel quality indication in the user equipment can be adjusted in real time, more accurate channel quality indication can be reported to a base station, and the performance of the downlink wireless communication network with frequency division duplex can be improved.
Description
Technical field
The present invention relates to wireless communication technology, particularly, relate to the method and apparatus and a kind of subscriber equipment that comprises such device that in a kind of subscriber equipment in the descending cordless communication network of Frequency Division Duplexing (FDD), regulate in real time channel quality indication.
Background technology
In the descending cordless communication network of Frequency Division Duplexing (FDD), subscriber equipment can feed back to base station by measured channel condition information (CSI:Channel State Infomation), thereby base station can be taken into account such information when its scheduling and/or beam forming rule are set.Among these information, the value of feedback of channel quality indication (CQI:Channel Quality Indication) is one of of paramount importance CSI feedback parameter wherein, and this value of feedback will affect the performance of the descending cordless communication network of Frequency Division Duplexing (FDD) to a great extent.
In the signaling of existing LTE-A Rel-10/Rel-11, the configuration parameter regulating for CQI in user equipment side only has Pc, this parameter Pc is defined as the ratio of PDSCH EPRE and CSI-RS EPRE, yet, because it need to configure by RRC signaling, this makes to expect that rational value must spend the longer time, and this is undesirable for the performance that improves the descending cordless communication network of Frequency Division Duplexing (FDD).
Summary of the invention
According to the understanding to background technology, if the subscriber equipment that the method that regulates in real time channel quality indication can be provided in a kind of subscriber equipment in the descending cordless communication network of Frequency Division Duplexing (FDD), install and comprise this device regulates channel quality indication in real time, that will be highly profitable.
A first aspect of the present invention has proposed to regulate in real time in a kind of subscriber equipment in the descending cordless communication network of Frequency Division Duplexing (FDD) the method for channel quality indication, and described method comprises the steps:
L. from the descending cordless communication network of described Frequency Division Duplexing (FDD), receive non-zero power channel state information reference signals configuration information, interferometry resource allocation information and codebook configuration information;
M. according to described non-zero power channel state information reference signals configuration information, measure channel and obtain the first channel information, and according to described the first channel information and described codebook configuration Information Selection pre-coding matrix index; And
N. according to described the first channel information and selected pre-coding matrix index, determine the first residual interference.
According to method of the present invention, introduce the first residual interference, thereby can in subscriber equipment, regulate in real time channel quality indication and to base station, report more accurate channel quality indication, and then improved the performance of the descending wireless network of Frequency Division Duplexing (FDD).
According to one embodiment of the present of invention, further comprising the steps of before described step l:
B. from the descending cordless communication network of described Frequency Division Duplexing (FDD), receive the indication of relevant method of whether enabling described real-time adjusting channel quality indication or judge by described subscriber equipment whether channel quality meets predetermined first condition and/or the 3rd predetermined condition; And
-when receiving the indication of the method for enabling described real-time adjusting channel quality indication or described predetermined first condition and meet, enable subsequent step and determine described the first residual interference, until receive the indication of the method for not enabling described real-time adjusting channel quality indication or meet described the 3rd predetermined condition;
-when receiving the indication of the method for not enabling described real-time adjusting channel quality indication or described the 3rd predetermined condition and meet, do not enable subsequent step, until receive the indication of the method for enabling described real-time adjusting channel quality indication or meet described predetermined first condition.
By this way, thereby can judge or receive relevant indication from network to come equipment for indicating user whether to need to enable according to method of the present invention by subscriber equipment self, and finish according to of the present invention for regulating in real time the method for channel quality indication while meeting certain predetermined condition.
According to one embodiment of the present of invention, described predetermined first condition is that the error rate surpasses predetermined first threshold and not enabled subsequent step is determined described the first residual interference; Described the 3rd predetermined condition determines that for enabling subsequent step described the first residual interference and the error rate surpass predetermined first threshold, and wherein, the described error rate is the reception error rate of subscriber equipment within the scope of certain hour.
According to one embodiment of the present of invention, further comprising the steps of after described step n:
O. according to described interferometry resource allocation information, measure the first interfere information; And
P. according to described the first interfere information and described the first residual interference, determine interference and the noise section that the channel quality of feedback is indicated.
By this way, thereby can additionally determine interference and the noise section of the channel quality indication of feeding back, for follow-up definite whole fed back channel quality, indicate and prepare.
According to one embodiment of the present of invention, described method is further comprising the steps of:
R. according to described the first channel information and selected pre-coding matrix index, determine the signal section that the channel quality of described feedback is indicated.
By this way, thereby can additionally determine the signal section of the channel quality indication of feeding back, for follow-up definite whole fed back channel quality, indicate and prepare.
According to one embodiment of the present of invention, described method is further comprising the steps of:
The channel quality indication that the interference of the signal section of s. indicating according to the channel quality of described feedback and the indication of the channel quality of described feedback and noise section are determined described feedback.
Just the signal section that can indicate in conjunction with above-mentioned channel quality by this way and interference and noise section obtain fed back channel quality indication, to receive the base station of described fed back channel quality indication, can more reasonably implement scheduling, thereby optimize the general performance of the descending cordless communication network of described Frequency Division Duplexing (FDD).
According to one embodiment of the present of invention, described method is applied to the descending multipoint cooperative system of Frequency Division Duplexing (FDD), wherein, in described step l, receive corresponding to non-zero power channel state information reference signals configuration information, interferometry resource allocation information described at least two groups of each channel condition information process of at least two channel condition information processes.
Just can successfully by being applied to according to method of the present invention, among multipoint cooperative system, come by this way.
According to one embodiment of the present of invention, further comprising the steps at described step n:
-judge whether predetermined second condition meets and determine thus described the first residual interference, wherein, described predetermined second condition is that configured whole channel condition information processes have different non-zero power channel state information reference signals configuration informations and identical interferometry resource allocation information;
If-meet described predetermined second condition, described first residual interference corresponding with at least two described configured channel condition information processes equals the residual interference sum separately corresponding with at least two described configured channel condition information processes;
If-do not meet described predetermined second condition, described first residual interference corresponding with at least two described configured channel condition information processes equals the residual interference separately corresponding with at least two described configured channel condition information processes,
Wherein, according at least two channel condition information processes with described configured corresponding respectively organize described non-zero power channel state information reference signals configuration information, interferometry resource allocation information and codebook configuration information determine described in residual interference separately.
Just can correspondingly determine according to the particular content of configuration information the output valve of residual interference by this way.
In addition, a second aspect of the present invention has proposed a kind of device that regulates in real time channel quality indication in the descending cordless communication network of Frequency Division Duplexing (FDD), and described device comprises:
-residual interference computing module, it calculates residual interference separately according to the non-zero power channel state information reference signals configuration information separately corresponding with at least two configured channel condition information processes and codebook configuration information;
-judge module, it judges whether predetermined second condition meets, wherein, described predetermined second condition is that at least two configured channel condition information processes have different non-zero power channel state information reference signals configuration informations and identical interferometry resource allocation information; And
-residual interference output module, its judged result according to described judge module is exported corresponding residual interference value, wherein,
If-meet described predetermined second condition, the described residual interference value corresponding with at least two described configured channel condition information processes equals the residual interference sum separately corresponding with at least two described configured channel condition information processes;
If-do not meet described predetermined second condition, the described residual interference value corresponding with at least two described configured channel condition information processes equals the residual interference separately corresponding with at least two described configured channel condition information processes.
According to one embodiment of the present of invention, described device also comprises:
-interference sections computing module, it calculates the interference sections of the channel quality indication of feedback according to the output of described residual interference output module and the interfere information that drawn by described interferometry resource allocation information.
Finally, a third aspect of the present invention has proposed a kind of subscriber equipment, regulates in real time the method for channel quality indication or comprise according to regulating in real time the device of channel quality indication in the subscriber equipment in the descending cordless communication network of Frequency Division Duplexing (FDD) described in a second aspect of the present invention in the subscriber equipment in the descending cordless communication network of Frequency Division Duplexing (FDD) described in its implementation basis a first aspect of the present invention.
According to method of the present invention, install and the subscriber equipment that comprises this device in introduced the first residual interference, thereby can in subscriber equipment, regulate in real time channel quality indication and to base station, report more accurate channel quality indication, and then improve the performance of the descending wireless network of Frequency Division Duplexing (FDD).
Accompanying drawing explanation
By reading the following detailed description to non-limiting example with reference to accompanying drawing, it is more obvious that other features, objects and advantages of the present invention will become.
Fig. 1 shows the schematic diagram that regulates in real time the method for channel quality indication according to of the present invention in the descending cordless communication network of Frequency Division Duplexing (FDD);
Fig. 2 shows the flow chart according to an embodiment of method of the present invention; And
Fig. 3 shows the flow chart according to an embodiment of method of the present invention.
In the drawings, run through different diagrams, same or similar Reference numeral represents same or analogous device (module) or step.
Embodiment
In the specific descriptions of following preferred embodiment, with reference to the appended accompanying drawing that forms a part of the present invention.Appended accompanying drawing shows by way of example can realize specific embodiment of the present invention.The embodiment of example is not intended to limit according to all embodiment of the present invention.Be appreciated that not departing under the prerequisite of scope of the present invention, can utilize other embodiment, also can carry out the modification of structural or logicality.Therefore, following specific descriptions are also nonrestrictive, and scope of the present invention is limited by appended claim.
Fig. 1 shows the schematic diagram that regulates in real time the method for channel quality indication in the subscriber equipment in the descending cordless communication network of Frequency Division Duplexing (FDD).As shown in the figure, the method at least comprises the steps:
First, subscriber equipment 100 should receive non-zero power channel state information reference signals configuration information (NZP CSI-RS), interferometry resource (IMR) configuration information and codebook configuration information (Codebook) from the descending cordless communication network of described Frequency Division Duplexing (FDD);
Then, subscriber equipment 100 is measured channel according to non-zero power channel state information reference signals configuration information and is obtained the first channel information in module channel measurement 110, and in PMI selects 120 according to this first channel information and above-mentioned codebook configuration Information Selection pre-coding matrix index (Precoding Matrix Index:PMI); And
Finally, in calculating 130, residual interference determines the first residual interference according to above-mentioned the first channel information and selected pre-coding matrix index.
So far, the calculating of the first residual interference of core of the present invention has just been accomplished.
According to method of the present invention, install and the subscriber equipment that comprises this device in introduced the first residual interference, thereby can in subscriber equipment, regulate in real time channel quality indication and to base station, report more accurate channel quality indication, and then improve the performance of the descending wireless network of Frequency Division Duplexing (FDD).
Alternatively, in a foundation embodiment of the present invention, further comprising the steps of before implementing the method:
B. from the descending cordless communication network of Frequency Division Duplexing (FDD), receive the indication of relevant method of whether enabling above-mentioned real-time adjusting channel quality indication or judge by this subscriber equipment whether channel quality meets predetermined first condition and/or the 3rd predetermined condition; And
-when receiving the indication of the method for enabling above-mentioned real-time adjusting channel quality indication or above-mentioned predetermined first condition and meet, enable subsequent step and determine the first residual interference, until receive the indication of the method for not enabling real-time adjusting channel quality indication or meet the 3rd predetermined condition;
-when receiving the indication of the method for not enabling the indication of real-time adjusting channel quality or the 3rd predetermined condition and meet, do not enable subsequent step, until receive the indication of the method for enabling real-time adjusting channel quality indication or meet predetermined first condition.
Additionally, in a foundation embodiment of the present invention, above-mentioned predetermined first condition is that the error rate surpasses predetermined first threshold and not enabled subsequent step is determined the first residual interference; The 3rd predetermined condition determines that for enabling subsequent step the first residual interference and the error rate surpass predetermined first threshold, and wherein, the error rate is the reception error rate of subscriber equipment within the scope of certain hour.
Yet those skilled in the art should understand, this first residual interference can not directly feed back to base station, correspondingly, should be supporting other calculating the final formation channel quality indication that can feed back to base station.This just requires following additional step.
Additionally, in a foundation embodiment of the present invention, further comprising the steps of after above-mentioned method step:
O. in interferometry 150, according to above-mentioned interferometry resource allocation information, measure the first interfere information; And
P. in interference sections 160, according to above-mentioned the first interfere information with by residual interference, calculate interference and the noise section that 130 the first residual interference that draw are determined the channel quality indication of feedback.
Additionally, in a foundation embodiment of the present invention, the method is further comprising the steps of:
R. in channel strip 140, according to the first channel information and selected pre-coding matrix index, determine the signal section that the channel quality of feedback is indicated.
Then, can in CQI calculates 170, comprehensively obtain the channel quality indication of feeding back according to channel strip obtained above and interference sections, particularly, the method is further comprising the steps of:
S. according to the interference of the channel quality indication of the signal section of the channel quality indication of feedback and feedback and noise section, determine the channel quality indication of feeding back.
Above-mentioned can be applied to the descending multipoint cooperative system of Frequency Division Duplexing (FDD) according to method of the present invention, wherein, will receive corresponding to non-zero power channel state information reference signals configuration information, interferometry resource allocation information described at least two groups of each channel condition information process of at least two channel condition information processes.
Under the application scenarios of the descending multipoint cooperative system of Frequency Division Duplexing (FDD), by further comprising the steps:
-judge whether predetermined second condition meets and determine thus the first residual interference, wherein, predetermined second condition is that configured whole channel condition information processes have different non-zero power channel state information reference signals configuration informations and identical interferometry resource allocation information;
If-meet predetermined second condition, described first residual interference corresponding with at least two configured channel condition information processes equals the residual interference sum separately corresponding with at least two configured channel condition information processes;
If-do not meet predetermined second condition, first residual interference corresponding with at least two channel condition information processes of configuration equals the residual interference separately corresponding with at least two channel condition information processes of configuration,
Wherein, according at least two channel condition information processes with configured corresponding respectively organize described non-zero power channel state information reference signals configuration information, interferometry resource allocation information and codebook configuration information determine described in residual interference separately.
Those skilled in the art is to be understood that, the multipoint cooperative system here can comprise a plurality of channel condition information processes (CSI Process), below will be respectively with reference to accompanying drawing 2 and accompanying drawing 3, describes particularly respectively concrete application scenarios and the parameters configuring condition according to method of the present invention.
Fig. 2 shows the flow chart according to an embodiment of method of the present invention.In this embodiment, there are altogether two CQI processes, i.e. CQI process #1 and CQI process #2.As can be seen from the figure the first channel information corresponding to the first or the 2nd CQI process calculating through the channel measurement 110 in Fig. 1 and process PMI select 120 PMI#1/#2 that draw to be input to respectively residual interference #1 and residual interference #2, and the residual interference corresponding to CQI process #1 and CQI process #2 of calculating through this module need to be through being for further processing with the interference sections 160 that just can be output in Fig. 1 that judges.Wherein Rule of judgment is that at least two configured channel condition information processes have different non-zero power channel state information reference signals configuration informations and identical interferometry resource allocation information, be in this embodiment CQI process #1 and CQI process #2 and there is respectively different non-zero power channel state information reference signals configuration informations and identical interferometry resource allocation information, below divide two kinds of different situations to be illustrated this embodiment.Subsequently, in the interference sections 160 in Fig. 1, will sue for peace the residual interference on calculated population with interference #2 according to the output of RIC and interference #1 separately, this residual interference is generally by the acquisition of the CQI of the feedback for subsequently.
First, when this predetermined condition meets, for example configuration information is as shown in the table:
Table 1: CQI process configuration information when predetermined condition meets
| CSI process | Channel strip | Interference sections |
| CSI process #1 | NZP?CSI-RS#1 | IMR#1 |
| CSI process #2 | NZP?CSI-RS#2 | IMR#1 |
Under the situation going out as shown in table 1, this predetermined condition meets, now:
Wherein,
and
represent respectively the signal power being obtained by NZP CSI-RS#1/#2, I represents the measured interference by IMR#1, Δ
1and Δ
2represent respectively the residual interference corresponding with NZPCSI-RS#1/#2.
Secondly, when not meeting, for example configuration as follows:
Table 2: CQI process configuration information when predetermined condition does not meet
| CSI process | Channel strip | Interference sections |
| CSI process #1 | NZP?CSI-RS#1 | IMR#1 |
| CSI process #2 | NZP?CSI-RS#2 | IMR#2 |
By output residual interference separately the CQI of formation feedback thus, be respectively under these circumstances:
Wherein, I
1and I
2expression is by the measured interference of IMR#1/#2, all the other each symbols represent that meaning as mentioned above, does not repeat them here.
The embodiment of above-mentioned Fig. 2 and two embodiment with specific configuration information have subsequently set forth the situation while having two CQI processes, below will by means of Fig. 3, set forth the situation having while being three CQI processes.
Fig. 3 shows the flow chart according to an embodiment of method of the present invention.
First, when predetermined condition meets, it configures when following:
Table 3: CQI process configuration information when predetermined condition meets
| CSI process | Channel strip | Interference sections |
| CSI process #1 | NZP?CSI-RS#1 | IMR#1 |
| CSI process #2 | NZP?CSI-RS#2 | IMR#1 |
| CSI process #3 | NZP?CSI-RS#3 | IMR#1 |
Under the situation going out as shown in table 3, this predetermined condition meets, now:
Wherein,
and
represent respectively the signal power being obtained by NZP CSI-RS#1/#2/#3, I represents the measured interference by IMR#1, Δ
1, Δ
2and Δ
3represent respectively the residual interference corresponding with NZPCSI-RS#1/#2/#3.
When not meeting, for example configuration as follows:
Table 4: the CQI process configuration information (situation 1) when predetermined condition does not meet
| CSI process | Channel strip | Interference sections |
| CSI process #1 | NZP?CSI-RS#1 | IMR#1 |
| CSI process #2 | NZP?CSI-RS#2 | IMR#2 |
| CSI process #3 | NZP?CSI-RS#3 | IMR#3 |
By output residual interference separately the CQI of formation feedback thus, be respectively under these circumstances:
Wherein, each symbol represents that meaning as mentioned above, does not repeat them here.
Equally, also there is other the configuration that does not meet predetermined condition, for example:
Table 5: the CQI process configuration information (situation 2) when predetermined condition does not meet
| CSI process | Channel strip | Interference sections |
| CSI process #1 | NZP?CSI-RS#1 | IMR#1 |
| CSI process #2 | NZP?CSI-RS#1 | IMR#2 |
| CSI process #3 | NZP?CSI-RS#1 | IMR#3 |
Now, by output residual interference separately the CQI of formation feedback thus, be respectively:
Wherein, I
3the interference that middle IMR#3 is measured, all the other each symbols represent that meaning as mentioned above, does not repeat them here.
Except above-mentioned method, the invention allows for a kind of device of implementing above-mentioned method, in the descending cordless communication network of Frequency Division Duplexing (FDD), regulate in real time the device of channel quality indication to comprise:
-residual interference computing module, it calculates residual interference separately according to the non-zero power channel state information reference signals configuration information separately corresponding with at least two configured channel condition information processes and codebook configuration information;
-judge module, it judges whether predetermined second condition meets, wherein, predetermined second condition is that at least two configured channel condition information processes have different non-zero power channel state information reference signals configuration informations and identical interferometry resource allocation information; And
-residual interference output module, its judged result according to judge module is exported corresponding residual interference value, wherein,
If-meet predetermined second condition, the residual interference value corresponding with at least two configured channel condition information processes equals the residual interference sum separately corresponding with at least two configured channel condition information processes;
If-do not meet predetermined second condition, the residual interference value corresponding with at least two configured channel condition information processes equals the residual interference separately corresponding with at least two configured channel condition information processes.
In a foundation embodiment of the present invention, this device also comprises:
-interference sections computing module, it calculates the interference sections of the channel quality indication of feedback according to the output of residual interference output module and the interfere information that drawn by interferometry resource allocation information.
In addition, the invention allows for a kind of subscriber equipment, what its implementation basis was above-mentioned is for example embodied as method illustrated in fig. 1 or comprises according to device of the present invention.
To those skilled in the art, obviously the invention is not restricted to the details of above-mentioned one exemplary embodiment, and in the situation that not deviating from spirit of the present invention or essential characteristic, can realize the present invention with other concrete form.Therefore, in any case, all should regard embodiment as exemplary, and be nonrestrictive.In addition, significantly, " comprising ", other elements and step do not got rid of in a word, and wording " one " is not got rid of plural number.A plurality of elements of stating in device claim also can be realized by an element.The first, the second word such as grade is used for representing title, and does not represent any specific order.
Claims (11)
1. in the subscriber equipment in the descending cordless communication network of Frequency Division Duplexing (FDD), regulate in real time a method for channel quality indication, described method comprises the steps:
L. from the descending cordless communication network of described Frequency Division Duplexing (FDD), receive non-zero power channel state information reference signals configuration information, interferometry resource allocation information and codebook configuration information;
M. according to described non-zero power channel state information reference signals configuration information, measure channel and obtain the first channel information, and according to described the first channel information and described codebook configuration Information Selection pre-coding matrix index; And
N. according to described the first channel information and selected pre-coding matrix index, determine the first residual interference.
2. method according to claim 1, wherein, further comprising the steps of before described step 1:
B. from the descending cordless communication network of described Frequency Division Duplexing (FDD), receive the indication of relevant method of whether enabling described real-time adjusting channel quality indication or judge by described subscriber equipment whether channel quality meets predetermined first condition and/or the 3rd predetermined condition; And
-when receiving the indication of the method for enabling described real-time adjusting channel quality indication or described predetermined first condition and meet, enable subsequent step and determine described the first residual interference, until receive the indication of the method for not enabling described real-time adjusting channel quality indication or meet described the 3rd predetermined condition;
-when receiving the indication of the method for not enabling described real-time adjusting channel quality indication or described the 3rd predetermined condition and meet, do not enable subsequent step, until receive the indication of the method for enabling described real-time adjusting channel quality indication or meet described predetermined first condition.
3. method according to claim 2, wherein, described predetermined first condition is that the error rate surpasses predetermined first threshold and not enabled subsequent step is determined described the first residual interference; Described the 3rd predetermined condition determines that for enabling subsequent step described the first residual interference and the error rate surpass predetermined first threshold, and wherein, the described error rate is the reception error rate of subscriber equipment within the scope of certain hour.
4. method according to claim 1, wherein, further comprising the steps of after described step n:
O. according to described interferometry resource allocation information, measure the first interfere information; And
P. according to described the first interfere information and described the first residual interference, determine interference and the noise section that the channel quality of feedback is indicated.
5. method according to claim 4, wherein, described method is further comprising the steps of:
R. according to described the first channel information and selected pre-coding matrix index, determine the signal section that the channel quality of described feedback is indicated.
6. method according to claim 5, wherein, described method is further comprising the steps of:
The channel quality indication that the interference of the signal section of s. indicating according to the channel quality of described feedback and the indication of the channel quality of described feedback and noise section are determined described feedback.
7. method according to claim 1, wherein, described method is applied to the descending multipoint cooperative system of Frequency Division Duplexing (FDD), wherein, in described step 1, receive corresponding to non-zero power channel state information reference signals configuration information, interferometry resource allocation information described at least two groups of each channel condition information process of at least two channel condition information processes.
8. method according to claim 7, wherein, further comprising the steps at described step n:
-judge whether predetermined second condition meets and determine thus described the first residual interference, wherein, described predetermined second condition is that configured whole channel condition information processes have different non-zero power channel state information reference signals configuration informations and identical interferometry resource allocation information;
If-meet described predetermined second condition, described first residual interference corresponding with at least two described configured channel condition information processes equals the residual interference sum separately corresponding with at least two described configured channel condition information processes;
If-do not meet described predetermined second condition, described first residual interference corresponding with at least two described configured channel condition information processes equals the residual interference separately corresponding with at least two described configured channel condition information processes,
Wherein, according at least two channel condition information processes with described configured corresponding respectively organize described non-zero power channel state information reference signals configuration information, interferometry resource allocation information and codebook configuration information determine described in residual interference separately.
9. in the descending cordless communication network of Frequency Division Duplexing (FDD), regulate in real time a device for channel quality indication, described device comprises:
-residual interference computing module, it calculates residual interference separately according to the non-zero power channel state information reference signals configuration information separately corresponding with at least two configured channel condition information processes and codebook configuration information;
-judge module, it judges whether predetermined second condition meets, wherein, described predetermined second condition is that at least two configured channel condition information processes have different non-zero power channel state information reference signals configuration informations and identical interferometry resource allocation information; And
-residual interference output module, its judged result according to described judge module is exported corresponding residual interference value, wherein,
If-meet described predetermined second condition, the described residual interference value corresponding with at least two described configured channel condition information processes equals the residual interference sum separately corresponding with at least two described configured channel condition information processes;
If-do not meet described predetermined second condition, the described residual interference value corresponding with at least two described configured channel condition information processes equals the residual interference separately corresponding with at least two described configured channel condition information processes.
10. device according to claim 9, is characterized in that, also comprises:
-interference sections computing module, it calculates the interference sections of the channel quality indication of feedback according to the output of described residual interference output module and the interfere information that drawn by described interferometry resource allocation information.
11. 1 kinds of subscriber equipmenies, the method in its implementation basis claim 1 to 8 described in any one or comprise according to the device of the real-time adjusting channel quality indication described in claim 9 or 10.
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|---|---|
| CN104079374B (en) | 2017-06-06 |
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Address after: Pudong New Area, Pudong Jinqiao Ning Bridge Road, No. 388, No. Co-patentee after: Alcatel Optical Networks Israe Patentee after: Shanghai NOKIA Baer Limited by Share Ltd Address before: 201206 Shanghai, Pudong Jinqiao Ning Bridge Road, No. 388, No. Co-patentee before: Alcatel Optical Networks Israe Patentee before: Shanghai Alcatel-Lucent Co., Ltd. |