CN104579542B - A kind of triggering terminal carries out method, base station and the terminal that CQI is reported - Google Patents
A kind of triggering terminal carries out method, base station and the terminal that CQI is reported Download PDFInfo
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- CN104579542B CN104579542B CN201310499461.3A CN201310499461A CN104579542B CN 104579542 B CN104579542 B CN 104579542B CN 201310499461 A CN201310499461 A CN 201310499461A CN 104579542 B CN104579542 B CN 104579542B
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- Prior art keywords
- terminal
- cqi
- base station
- downlink transfer
- information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
Abstract
The present invention provides method, base station and the terminals that a kind of triggering terminal progress CQI is reported.The triggering terminal carries out the method that CQI is reported, applied to base station, including：When the base station does not receive the CQI that terminal reports within the time of setting, issuing terminal capability survey information makes end side transmission be loaded with the terminal ability information that the aperiodicity CQI that terminal is supported reports scheme information；It is that terminal selects aperiodic CQI compatible under same downlink transfer pattern to report mechanism or the downlink transfer mechanism for for terminal rate being selected to optimize according to the terminal ability information of reception.Said program solves the problems, such as that the aperiodic CQI that terminal is supported reports mechanism incompatible with network side, and by base station and the information exchange of terminal, base station is the rate optimized downlink transfer mechanism of terminal dynamically distributes, ensure that the quick timely of information transmission.
Description
Technical field
The present invention relates to wireless communication technique field, more particularly to a kind of triggering terminal carries out method, the base station that CQI is reported
And terminal.
Background technology
LTE（Long Term Evolution）The CQI of network（Channel quality indicates）The HSPA of operating mechanism and 3.5G（High-speed link is grouped
Access）It is similar, be specially：
Step 1, UE（User terminal）Pass through the Reference Symbols of downlink（Reference symbol）Measurement, draws downlink
The CQI of channel；
Step 2, up channel PUCCH is passed through（Physical uplink control channel）Or PUSCH（Physical uplink shares letter
Road）Report eNode B（The title of base station in evolved Node B, i.e. LTE）；
Step 3, the scheduler of base station can be according to CQI, QOS（Service quality）, it is base station out-hole run, UE grades, available
PRB（Physical Resource Block）Etc. information, come determining modulation, decoding process, and allocation of downlink resource is to UE.
LTE supports two kinds of CQI to report mechanism：Periodicity and aperiodicity.It is typically to pass through that periodic CQI, which is reported,
PUCCH is carried out, if UE in the subframe of sending cycle CQI, while scheduled has data to need to send, then, week
The CQI of phase property, which is reported, to be carried out by PUSCH.Aperiodicity CQI report can on PUSCH individually or with other numbers
According to being sent together, so as to save PUCCH resource, but PUSCH resources can be occupied.
The terminal producer of LTE is typically all to report mechanism using aperiodicity.It is provided according to 3GPP TS36.213, non-week
The CQI that phase property reports mechanism to be reported has 5 kinds of forms, as shown in the table.
Under different transmission modes, it is also different that the aperiodicity that uses, which reports form, is advised according to 3GPPTS36.213
Fixed, under different transmission modes, it is also different that UE was used, which reports pattern, is specifically：
Transmission mode 1, Modes2-0,3-0；
Transmission mode 2, Modes2-0,3-0；
Transmission mode 3, Modes2-0,3-0；
Transmission mode 4, Modes1-2,2-2,3-1；
Transmission mode 5, Modes3-1；
Transmission mode 6, Modes1-2,2-2,3-1；
Transmission mode 7, Modes2-0,3-0；
Transmission mode 8, if user terminal configuration be non-periodic report pattern if use Modes1-2,2-2,3-1；Such as
The configuration of fruit user terminal is that periodic report pattern then uses Modes2-0,3-0.
In LTE routine optimizations, it was found that a kind of brand-new failure, we are using certain terminal in TD-LTE（Timesharing
Long Term Evolution）TM4 is carried out under network（Transmission mode 4）Single user maximum downstream testing throughput when, test point without
In the case of thread environment is good, it is found that physical layer rate only less than 10Mbps, is wanted to go to very remote with theoretical value 60Mbps.To test
Daily record analysed in depth, find terminal do not report CQI, and MCS（Modulation and coding strategy）All maintain 11.Work as UE
When no CQI is reported, network side fixed will take the mode of MCS=11, and occupy 96 PRB according to the statistical average of daily record
When, DL-SCH can be found in the protocol（DSCH Downlink Shared Channel）The maximum quantity of transmission block bit is 19080 bits, is changed
It is counted as FDD-LTE（Frequency division duplex Long Term Evolution）Peak rate be just about 19.08Mbps, then be converted into TDD-LTE（Timesharing
Evolution when duplex is long）Peak rate be just about 11.4Mbps, this is why failure occur when three rate of layer only have
Less than 10Mbps.
It is provided according to 3GPP TS36.213, the parameter cqi- that acyclic CQI report pattern is configured by high-level signaling
ReportModeAperiodic（The aperiodic mode report of CQI）It provides.We can see by three signaling of layer, network
It is rm12 that the CQI for the TM4 that side issues and supports is aperiodic, which to report mechanism,（That is Mode1-2）, but the non-week of the TM4 of terminal support
Phase, CQI reported mechanism there was only Mode2-2 and Mode3-1, incompatible with network side, so just resulting in the generation of failure.
The content of the invention
The technical problem to be solved in the present invention is to provide a kind of triggering terminals to carry out the CQI method, base station and the terminal that report,
By base station and the information exchange of terminal, base station is the rate optimized downlink transfer mechanism of terminal dynamically distributes, ensure that information
That transfers is quick timely.
In order to solve the above-mentioned technical problem, the embodiment of the present invention provides a kind of triggering terminal and carries out the method that CQI is reported, should
For base station, including：
When the base station does not receive the CQI that terminal reports within the time of setting, issuing terminal capability survey information makes
End side, which is sent, is loaded with the terminal ability information that the aperiodicity CQI that terminal is supported reports scheme information；
It it is the aperiodic of compatibility under the same downlink transfer pattern of terminal selection according to the terminal ability information of reception
CQI reports mechanism or the downlink transfer mechanism for for terminal rate being selected to optimize.
Further, carry the CQI's that increases in the terminal capability Investigation requirements in the terminal capability survey information
Aperiodic mode reports measurement item.
The method, wherein, the setting time is receiving wireless heterogeneous networks association by Timer Controlling, the timer
View connection reconfiguration, which is put, to be completed to start timing during information.
The method, wherein, the base station is put by radio resource control connection reconfiguration and realizes terminal transmission mechanism
Distribution.
Further, the base station puts the distribution for realizing terminal transmission mechanism by radio resource control connection reconfiguration
Specially：Base station select downlink transfer pattern in report pattern in the presence of the aperiodic CQI mutually compatible with terminal when, select and
The aperiodic CQI of terminal compatibility reports pattern；There is no mutually compatible with terminal non-in the downlink transfer pattern selected in base station
When cycle CQI reports pattern, the downlink transfer mechanism of rate optimization is selected for terminal.
The embodiment of the present invention also provides a kind of base station, including：
Judgment module, for judging whether to receive CQI that terminal reports within the time of setting and drawing a judging result；
First sending module, when the judging result shows not receiving the CQI that terminal reports in the time in setting,
Issuing terminal capability survey information enables end side transmission to be loaded with the terminal that the aperiodicity CQI that terminal is supported reports scheme information
Force information；
Selecting module according to the terminal ability information of reception, selects compatible under same downlink transfer pattern for terminal
Aperiodic CQI report mechanism or for terminal select rate optimize downlink transfer mechanism.
Further, carry the CQI's that increases in the terminal capability Investigation requirements in the terminal capability survey information
Aperiodic mode reports measurement item.
The base station, further includes：
Timer, the timer start timing when receiving radio resource control connection reconfiguration and putting and complete information.
The base station, further includes：
Second sending module, for putting information realization terminal by sending radio resource control connection reconfiguration to terminal
The distribution of transmission mechanism.
Further, exist in the downlink transfer pattern that second sending module is selected in base station mutually compatible with terminal
When aperiodic CQI reports pattern, the aperiodic CQI compatible with terminal is selected to report pattern；In the downlink transfer mould that base station is selected
When reporting pattern there is no the aperiodic CQI mutually compatible with terminal in formula, the downlink transfer machine of rate optimization is selected for terminal
System.
The embodiment of the present invention also provides a kind of triggering terminal and carries out the method that CQI is reported, applied to terminal, wherein, work as institute
State terminal receive base station transmission terminal capability survey information when, send terminal ability information to base station.
Further, the aperiodic mode report measurement item for replying CQI is included in the terminal ability information
Bit field.
The embodiment of the present invention also provides a kind of terminal, including：
Receiving module, for receiving the terminal capability survey information of base station transmission；
3rd sending module, for including the aperiodicity for replying CQI according to terminal capability survey information transmission
The terminal ability information of the bit field of pattern report measurement item.
The above-mentioned technical proposal of the present invention has the beneficial effect that：
In said program, by base station and the information exchange of terminal, base station is the rate optimized downlink of terminal dynamically distributes
Transmission mechanism ensure that the quick timely of information transmission.
Description of the drawings
Fig. 1 is the flow chart of the embodiment of the present invention.
Specific embodiment
To make the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
The aperiodic CQI that the present invention is supported for existing terminal（Channel quality indicates）Report mechanism not simultaneous with network side
The problem of appearance, provides a kind of triggering terminal and carries out method, base station and terminal that CQI is reported.
The embodiment of the present invention provides a kind of triggering terminal and carries out the method that CQI is reported, applied to base station, including：
When the base station does not receive the CQI that terminal reports within the time of setting, terminal capability investigation is issued（UE
Capability Enquiry）Information makes end side transmission be loaded with the end that the aperiodicity CQI that terminal is supported reports scheme information
Hold ability information（UE Capability Information）；
It it is the aperiodic of compatibility under the same downlink transfer pattern of terminal selection according to the terminal ability information of reception
CQI reports mechanism or the downlink transfer mechanism for for terminal rate being selected to optimize.
Above-described embodiment, the CQI that base station is reported by receiving terminal, the downlink transfer machine optimized for terminal dynamically distributes
System, it is ensured that the two information is transferred efficient timely.
Further, the terminal capability investigation（UE Capability Enquiry）Terminal capability investigation in information
It is required that（UE Capability Request）In carry the cqi_ReportModeAperiodic increased（CQI's is aperiodic
Sexual norm is reported）Measurement item.
It should be noted that only carried in the terminal capability Investigation requirements cqi_ReportModeAperiodic this
Measurement item can greatly save signaling traffic load amount.
One is most 5 kinds shared in the UE Capability Request of the UE Capability Enquiry of protocol specification
Query term, respectively：eutra（That is LTE）、geran-cs（That is GSM（Global system for mobile communications）CS（Circuit switching）Domain）、
geran-ps（That is the PS of GSM（Packet switch）Domain）、utra（That is the WCDMA of 3G（Wideband code division multiple access）And TD-SCDMA（Time-division
S-CDMA-Synchronous Code Division Multiple Access））And cdma2000-1XRTT（That is CDMA2000（Wherein CDMA represents CDMA））.If
Any one or more query type is contained in UECapability Request, terminal is in UE Capability
It is both needed to report corresponding RAT-TYPE to base station in Information（Wireless access type）UE Capability
Information.This 5 kinds of RAT-TYPE have used altogether 3 bit instructions, and each bits of encoded corresponds to a type, wherein,
In the bits of encoded do not used, new increment cqi_ReportModeAperiodic is defined with bit 100.
Further, the setting time is receiving radio resource control company by Timer Controlling, the timer
It connects and reconfigures completion（RRC Connection Reconfiguration Complete）Start timing during information.
Further, the base station is put by radio resource control connection reconfiguration（RRC Connection
Reconfiguration）Realize the distribution of terminal transmission mechanism.
Further, the base station puts the distribution for realizing terminal transmission mechanism by radio resource control connection reconfiguration
Specially：Base station select downlink transfer pattern in report pattern in the presence of the aperiodic CQI mutually compatible with terminal when, select and
The aperiodic CQI of terminal compatibility reports pattern；There is no mutually compatible with terminal non-in the downlink transfer pattern selected in base station
When cycle CQI reports pattern, the downlink transfer mechanism of rate optimization is selected for terminal.
Those skilled in the art should be understood that base station realize terminal transmission mechanism distribution specific implementation process and
Implementation method, this is not described in detail here.
Above-described embodiment when not receiving the CQI that terminal reports in the time that the base station is set in timer, issues UE
Capability Enquiry to terminal, terminal can according to this information back to base station UE Capability Information,
Include the aperiodicity CQI under the downlink transfer pattern of terminal and downlink transfer pattern in this information and report mechanism, base station root
Information selects the downlink transfer pattern of rate optimization and aperiodicity CQI to report mechanism for terminal accordingly so that base station and end
Traffic rate is optimal between end.
The embodiment of the present invention also provides a kind of base station, including：
Judgment module, for judging whether to receive CQI that terminal reports within the time of setting and drawing a judging result；
First sending module, when the judging result shows not receiving the CQI that terminal reports in the time in setting,
Issuing terminal capability survey information enables end side transmission to be loaded with the terminal that the aperiodicity CQI that terminal is supported reports scheme information
Force information；
Selecting module according to the terminal ability information of reception, selects compatible under same downlink transfer pattern for terminal
Aperiodic CQI report mechanism or for terminal select rate optimize downlink transfer mechanism.
Further, the cqi_ increased is carried in the terminal capability Investigation requirements in the terminal capability survey information
ReportModeAperiodic measurement items.
In another embodiment of the present invention, the base station further includes：
Timer, the timer start timing when receiving radio resource control connection reconfiguration and putting and complete information.
In another embodiment of the present invention, the base station further includes：
Second sending module, for putting information realization terminal by sending radio resource control connection reconfiguration to terminal
The distribution of transmission mechanism.
Further, exist in the downlink transfer pattern that second sending module is selected in base station mutually compatible with terminal
When aperiodic CQI reports pattern, the aperiodic CQI compatible with terminal is selected to report pattern；In the downlink transfer mould that base station is selected
When reporting pattern there is no the aperiodic CQI mutually compatible with terminal in formula, the downlink transfer machine of rate optimization is selected for terminal
System.
It should be noted that the base station embodiment is the side reported with triggering terminal progress CQI of the above application in base station
Method is corresponding, and all realization methods of the above method can also reach and above method phase suitable for the base station embodiment
Same technique effect.
The embodiment of the present invention also provides a kind of triggering terminal and carries out the method that CQI is reported, applied to terminal, wherein, work as institute
State terminal receive base station transmission terminal capability survey information when, send terminal ability information to base station.
Further, include to reply cqi_ReportModeAperiodic measurements in the terminal ability information
The bit field of item.
In above-described embodiment, terminal by receive base station send terminal capability survey information when trigger itself send eventually
Ability information is held to enable the transmission mechanism of the understanding terminal of base station accurately and timely to base station.
The embodiment of the present invention also provides a kind of terminal, including：
Receiving module, for receiving the terminal capability survey information of base station transmission；
3rd sending module replys cqi_ for including according to terminal capability survey information transmission
The terminal ability information of the bit field of ReportModeAperiodic measurement items.
As shown in Figure 1, the specific implementation flow of the present invention is：Base station is receiving RRC Connection
Reconfiguration Complete（Radio resource control connection reconfiguration puts completion）Start timer during information, timing
When device does not receive the CQI that terminal reports within the time continuously set, triggering base station sends UE Capability to terminal
Enquiry（Terminal capability is investigated）Information, terminal is according to the UE Capability Enquiry information received by UE
Capability Information（Terminal ability information）It is sent to base station, the UE that base station is fed back according to terminal
Capability Information judge that the aperiodicity CQI that terminal is supported under downlink transfer pattern instantly reports mould
Whether formula is compatible with network side, if the two is compatible with, whole flow process terminates；If incompatible, base station is judged under instantly
Whether also have others are aperiodic to report pattern compatible with terminal under row transmission mode, if so, then issuing RRC
Connection Reconfiguration（Radio resource control connection reconfiguration is put）To terminal, passed using same downlink
The aperiodicity CQI compatible with terminal reports pattern under defeated pattern；Otherwise using other downlink transfer patterns, make between the two
Rate optimizes.
Embodiment described above of the present invention, by base station and the information exchange of terminal, base station is terminal dynamically distributes rate
The downlink transfer mechanism of optimization successfully solves LTE network and the inconsistent failure of terminal CQI feedback mechanism, ensure that letter
Breath transfers quick timely.
Above-described is the preferred embodiment of the present invention, it should be pointed out that is come for the ordinary person of the art
It says, under the premise of principle of the present invention is not departed from, several improvements and modifications can also be made, these improvements and modifications should also regard
For protection scope of the present invention.
Claims (11)
1. a kind of triggering terminal carries out the method that CQI is reported, applied to base station, which is characterized in that including：
When the base station does not receive the CQI that terminal reports within the time of setting, issuing terminal capability survey information makes terminal
Side, which is sent, is loaded with the terminal ability information that the aperiodicity CQI that terminal is supported reports scheme information；
According to the terminal ability information of reception, selected for terminal on aperiodic CQI compatible under same downlink transfer pattern
Report mechanism or the downlink transfer mechanism that rate optimization is selected for terminal；
Wherein, when reporting pattern in the presence of the aperiodic CQI mutually compatible with terminal in the downlink transfer pattern selected in base station, selection
The aperiodic CQI compatible with terminal reports pattern；There is no mutually compatible with terminal in the downlink transfer pattern selected in base station
When aperiodic CQI reports pattern, the downlink transfer mechanism of rate optimization is selected for terminal.
2. according to the method described in claim 1, it is characterized in that, the terminal capability in the terminal capability survey information is investigated
The aperiodic mode report measurement item of CQI is carried in it is required that.
3. according to the method described in claim 1, it is characterized in that, the setting time is by Timer Controlling, the timer
Start timing when receiving radio resource control connection reconfiguration and putting and complete information.
4. according to the method described in claim 1, it is characterized in that, the base station passes through radio resource control connection reconfiguration
Put the distribution for realizing terminal transmission mechanism.
5. a kind of base station, which is characterized in that including：
Judgment module, for judging whether to receive CQI that terminal reports within the time of setting and drawing a judging result；
First sending module when the judging result shows not receiving the CQI that terminal reports in the time in setting, issues
The aperiodicity CQI that terminal capability survey information makes end side transmission be loaded with terminal support reports the terminal capability of scheme information to believe
Breath；
Selecting module is the non-of compatibility under the same downlink transfer pattern of terminal selection according to the terminal ability information of reception
Cycle CQI reports mechanism or the downlink transfer mechanism for for terminal rate being selected to optimize；
Wherein, when reporting pattern in the presence of the aperiodic CQI mutually compatible with terminal in the downlink transfer pattern selected in base station, selection
The aperiodic CQI compatible with terminal reports pattern；There is no mutually compatible with terminal in the downlink transfer pattern selected in base station
When aperiodic CQI reports pattern, the downlink transfer mechanism of rate optimization is selected for terminal.
6. base station according to claim 5, which is characterized in that the terminal capability investigation in the terminal capability survey information
The aperiodic mode report measurement item of CQI is carried in it is required that.
7. base station according to claim 5, which is characterized in that further include：
Timer, the timer start timing when receiving radio resource control connection reconfiguration and putting and complete information.
8. base station according to claim 5, which is characterized in that further include：
Second sending module, for putting information realization terminal transmission by sending radio resource control connection reconfiguration to terminal
The distribution of mechanism.
9. a kind of triggering terminal carries out the method that CQI is reported, applied to terminal, which is characterized in that when the terminal receives base
Stand send terminal capability survey information when, send terminal ability information to base station；
Wherein, the terminal ability information selects same for making the terminal ability information of the base station according to reception for terminal
Compatible aperiodic CQI reports mechanism or the downlink transfer mechanism for for terminal rate being selected to optimize under downlink transfer pattern；
And base station select downlink transfer pattern in report pattern in the presence of the aperiodic CQI mutually compatible with terminal when, select and
The aperiodic CQI of terminal compatibility reports pattern；There is no mutually compatible with terminal non-in the downlink transfer pattern selected in base station
When cycle CQI reports pattern, the downlink transfer mechanism of rate optimization is selected for terminal.
10. according to the method described in claim 9, it is characterized in that, include to reply CQI in the terminal ability information
Aperiodic mode report measurement item bit field.
11. a kind of terminal, which is characterized in that including：
Receiving module, for receiving the terminal capability survey information of base station transmission；
3rd sending module, for including the aperiodic mode for replying CQI according to terminal capability survey information transmission
Report the terminal ability information of the bit field of measurement item；
Wherein, the terminal ability information selects same for making the terminal ability information of the base station according to reception for terminal
Compatible aperiodic CQI reports mechanism or the downlink transfer mechanism for for terminal rate being selected to optimize under downlink transfer pattern；
And base station select downlink transfer pattern in report pattern in the presence of the aperiodic CQI mutually compatible with terminal when, select and
The aperiodic CQI of terminal compatibility reports pattern；There is no mutually compatible with terminal non-in the downlink transfer pattern selected in base station
When cycle CQI reports pattern, the downlink transfer mechanism of rate optimization is selected for terminal.
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| CN201310499461.3A CN104579542B (en) | 2013-10-22 | 2013-10-22 | A kind of triggering terminal carries out method, base station and the terminal that CQI is reported |
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| CN201310499461.3A CN104579542B (en) | 2013-10-22 | 2013-10-22 | A kind of triggering terminal carries out method, base station and the terminal that CQI is reported |
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| CN106559167B (en) * | 2015-09-25 | 2019-09-27 | 华为技术有限公司 | A kind of method and device of link circuit self-adapting |
| CN107959937B (en) * | 2016-10-17 | 2022-11-22 | 中兴通讯股份有限公司 | Transmission mode determination method, data transmission device and communication system |
| CN110011752B (en) * | 2018-01-04 | 2021-10-22 | 维沃移动通信有限公司 | CQI reporting method, terminal equipment and network equipment |
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| CN101873647A (en) * | 2009-04-22 | 2010-10-27 | 中兴通讯股份有限公司 | Non-periodic channel quality information transmission method |
| CN101998497A (en) * | 2009-08-19 | 2011-03-30 | 中兴通讯股份有限公司 | Method and device for reporting channel state information aperiodically |
| CN102573103A (en) * | 2010-12-10 | 2012-07-11 | 中国移动通信集团广东有限公司 | Wireless network control method and wireless network controller |
| CN102625355A (en) * | 2011-01-27 | 2012-08-01 | 华为技术有限公司 | Method, related equipment and system for measuring channel state information |
| CN102801498A (en) * | 2012-07-25 | 2012-11-28 | 电信科学技术研究院 | Method and equipment for reporting and determining sub-band feedback selected by terminal equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8743799B2 (en) * | 2010-06-24 | 2014-06-03 | Nokia Siemens Networks Oy | Change of rate matching modes in presence of channel state information reference signal transmission |
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| CN101873647A (en) * | 2009-04-22 | 2010-10-27 | 中兴通讯股份有限公司 | Non-periodic channel quality information transmission method |
| CN101998497A (en) * | 2009-08-19 | 2011-03-30 | 中兴通讯股份有限公司 | Method and device for reporting channel state information aperiodically |
| CN102573103A (en) * | 2010-12-10 | 2012-07-11 | 中国移动通信集团广东有限公司 | Wireless network control method and wireless network controller |
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