CN106160932A - The method of reporting source of channel state information, user terminal, base station and system - Google Patents
The method of reporting source of channel state information, user terminal, base station and system Download PDFInfo
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- CN106160932A CN106160932A CN201510170356.4A CN201510170356A CN106160932A CN 106160932 A CN106160932 A CN 106160932A CN 201510170356 A CN201510170356 A CN 201510170356A CN 106160932 A CN106160932 A CN 106160932A
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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
Abstract
The invention discloses a kind of method of reporting source of channel state information, user terminal, base station and system, described method includes: get channel condition information CSI；The CSI got is reported to base station；Wherein, the described CSI reported includes at least one following information: the first number of repetition；At least one channel quality indication (CQI) information CQI, at least one CQI described are the CQI that the second number of repetition is corresponding；The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
Description
Technical field
The present invention relates to the network management technology of the MTC user terminal of the communications field, particularly relate to a kind of letter
Method, user terminal, base station and the system that channel state information reports.
Background technology
Machine type communication (MTC, Machine Type Communication) user terminal (UE, User
Equipment), also known as, machine to machine (Machine to Machine is called for short M2M) telex network
Equipment, is the main application form of current Internet of Things.In recent years, due to Long Term Evolution (Long-Term
Evolution, LTE)/advanced long-term evolution system (Long-Term Evolution Advance,
LTE-Advance/LTE-A) spectrum efficiency is high, and increasing mobile operator selects LTE/LTE-A
Evolution tendency as system of broadband wireless communication.MTC user terminal is typically the equipment of low cost, has
The features such as smaller, the single reception antenna of RF bandwidth supported, it sends reception bandwidth and is generally 1.4MHz.
There are class MTC user terminal, such as an ammeter etc., are likely to be positioned in the sheet iron cabinet of basement, cover
Excessively poor.
Summary of the invention
For solving the technical problem that prior art exists, the embodiment of the present invention provides on a kind of channel condition information
Method, user terminal, base station and the system of report, can at least solve the above-mentioned problems in the prior art.
For reaching above-mentioned purpose, the technical scheme is that and be achieved in that:
The embodiment of the present invention provides a kind of method of reporting source of channel state information, is applied to user terminal, described
Method includes:
Get CSI；
The CSI got is reported to base station；
Wherein, the described CSI reported includes at least one following information:
First number of repetition；
At least one channel quality indication (CQI) information CQI, at least one CQI described are the second number of repetition pair
The CQI answered；
The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
In such scheme, described in get CSI, including:
Determine the position of channel condition information CSI reference resources；
Position based on described CSI reference resources, gets CSI.
In such scheme, described first number of repetition includes:
Modulation corresponding to described first number of repetition and coding strategy MCS；
Or,
Signal to Interference plus Noise Ratio SINR corresponding to described first number of repetition.
In such scheme, at least one CQI described is described in the CQI that the second number of repetition is corresponding
Two numbers of repetition are preset value or the value for base station notice.
In such scheme, described second number of repetition is: with CSI reference resources number of sub frames in time domain
Identical；
Or,
The number of sub frames corresponding with a CSI reference resources arrowband on frequency domain is identical.
In such scheme, described method also includes:
Information to be included in the CSI reported described in Yu Sheing；Or, get described from described base station
Information to be included in the CSI reported.
In such scheme, described in the CSI that reports also includes following information: the index of at least one arrowband.
In such scheme, at least one CQI described is:
Average CQI on described CSI reference resources；Or, each arrowband in multiple arrowbands is corresponding
CQI, the plurality of arrowband is multiple arrowbands that described CSI reference resources is corresponding on frequency domain.
In such scheme, described first number of repetition is one below:
Described first number of repetition is the average number of repetition on described CSI reference resources；
Or,
Described first number of repetition includes the number of repetition that each arrowband in the plurality of arrowband is corresponding, institute
Stating multiple arrowband is multiple arrowbands that described CSI reference resources is corresponding on frequency domain.
In such scheme, described method also includes: receive the CSI request information sent base station.
In such scheme, described in receive the CSI request information sent base station, including:
Receive the CSI request information that base station is sent by Downlink Control Information；
Or, receive the CSI request information that base station is sent by response message RAR of Stochastic accessing.
In such scheme, the described position determining CSI reference resources, including at least one of:
Described CSI reference resources for receiving all arrowbands of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for receiving the part arrowband of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for before reporting CSI, received all of downlink information on frequency domain
One or more arrowband in arrowband, in time domain corresponding all in one or more arrowband or
Person's part subframe；Or,
Described CSI reference resources is determined according to default mode；Or,
The position of the described CSI reference resources of base station notice；
Wherein, described appointment information include following at least one: Downlink Control Information, the sound of Stochastic accessing
Answer PDSCH or Downlink Control Information that information RAR, described Downlink Control Information dispatch and described
The PDSCH of Downlink Control Information scheduling.
The embodiment of the present invention additionally provides a kind of method of reporting source of channel state information, is applied to base station, institute
The method of stating includes:
Get the CSI that user terminal reports；
According to the described CSI reported, user terminal is scheduling；
Wherein, the CSI that described user terminal reports includes at least one following information:
First number of repetition；
At least one channel quality indication (CQI) information CQI, at least one CQI described are the second number of repetition pair
The CQI answered；
The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
In such scheme, described method also includes:
CSI request information is sent to described user terminal.
In such scheme, described to described user terminal send CSI request information, including:
CSI request information is sent to described user terminal by Downlink Control Information；
Or, send CSI request information to described user terminal by RAR.
In such scheme, described Downlink Control Information or RAR include at least one following information:
Information to be included in the CSI reported；
Second number of repetition；
Modulation corresponding to described first number of repetition and coding strategy MCS, or described first repetition
SINR corresponding to number of times；
The position of CSI reference resources.
Embodiments providing a kind of user terminal, described user terminal includes:
First processing unit, is used for getting CSI；
First communication unit, for reporting to base station by the CSI got；
Wherein, the described CSI reported described in includes at least one following information:
First number of repetition；
At least one channel quality indication (CQI) information CQI, at least one CQI described are the second number of repetition pair
The CQI answered；
The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
In such scheme, described first processing unit, it is additionally operable to determine that channel condition information CSI is with reference to money
The position in source；Position based on described CSI reference resources, gets CSI.
In such scheme, described first number of repetition includes:
Modulation corresponding to described first number of repetition and coding strategy MCS；
Or,
Signal to Interference plus Noise Ratio SINR corresponding to described first number of repetition.
In such scheme, at least one CQI described is described in the CQI that the second number of repetition is corresponding
Two numbers of repetition are preset value or the value for base station notice.
In such scheme, described second number of repetition is: with CSI reference resources number of sub frames in time domain
Identical；
Or,
The number of sub frames corresponding with a CSI reference resources arrowband on frequency domain is identical.
In such scheme, described first processing unit, it is additionally operable in the CSI reported described in presetting to wrap
The information included；
Or,
By the letter that the first communication unit is to be included from the CSI reported described in described base station gets
Breath.
In such scheme, described in the CSI that reports also includes following information: the index of at least one arrowband.
In such scheme, at least one CQI described is:
Average CQI on described CSI reference resources；Or, each arrowband in multiple arrowbands is corresponding
CQI, the plurality of arrowband is multiple arrowbands that described CSI reference resources is corresponding on frequency domain.
In such scheme, described first number of repetition is one below:
Described first number of repetition is the average number of repetition on described CSI reference resources, or
Described first number of repetition includes the number of repetition that each arrowband in the plurality of arrowband is corresponding, institute
Stating multiple arrowband is multiple arrowbands that described CSI reference resources is corresponding on frequency domain.
In such scheme, described communication unit, it is additionally operable to receive the CSI request information sent base station.
In such scheme, described first communication unit, it is additionally operable to receive base station and passes through Downlink Control Information
The CSI request information sent；Or, receive the CSI request information that base station is sent by RAR.
In such scheme, described first processing unit determines the position of CSI reference resources, including with down to
One of few:
Described CSI reference resources for receiving all arrowbands of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for receiving the part arrowband of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for before reporting CSI, received all of downlink information on frequency domain
One or more arrowband in arrowband, in time domain corresponding all in one or more arrowband or
Person's part subframe；Or,
Described CSI reference resources is determined according to default mode；Or,
The position of the described CSI reference resources of base station notice；
Wherein, described appointment information include following at least one: Downlink Control Information, the sound of Stochastic accessing
Answer PDSCH or Downlink Control Information that information RAR, described Downlink Control Information dispatch and described
The PDSCH of Downlink Control Information scheduling.
The embodiment of the present invention additionally provides a kind of base station, and described base station includes:
Second communication unit, for getting the CSI that user terminal reports；
Second processing unit, is scheduling user terminal for the CSI reported described in basis；
Wherein, the CSI that described user terminal reports includes at least one following information:
First number of repetition；
At least one channel quality indication (CQI) information CQI, at least one CQI described are the second number of repetition pair
The CQI answered；
The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
In such scheme, described second communication unit, it is additionally operable to send CSI request to described user terminal
Information.
In such scheme, described second communication unit, specifically for sending CSI by Downlink Control Information
Solicited message is to described user terminal；Or, send CSI request information to described user by RAR
Terminal.
In such scheme, described Downlink Control Information or RAR include at least one following information:
Information to be included in the CSI reported；
Second number of repetition；
MCS corresponding to described first number of repetition, or corresponding to described first number of repetition
SINR；
The position of CSI reference resources.
Embodiments providing the system of a kind of reporting source of channel state information, described system includes:
User terminal, is used for getting CSI；The CSI got is reported to base station；
Base station, for receiving the CSI that user terminal reports, according to the described CSI reported to user eventually
End is scheduling；Wherein, the described CSI reported described in includes at least one following information: the first weight
Again count；At least one channel quality indication (CQI) information CQI, at least one CQI described are the second repetition time
The CQI that number is corresponding；The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
The method of reporting source of channel state information provided by the present invention, user terminal, base station and system, user
Terminal can be after determining the position of CSI reference resources, based on described position acquisition to CSI, according to
CSI is reported to base station by the information format preset；Owing to correspondence can be got with the first number of repetition
CSI, it is ensured that the CQI in the information reported can effectively be used by base station, and then ensure that low covering
The user terminal of the position of rate is by base station efficient scheduling.
Accompanying drawing explanation
Fig. 1 is the method flow schematic diagram one of embodiment of the present invention reporting source of channel state information；
Fig. 2 is the method flow schematic diagram two of embodiment of the present invention reporting source of channel state information；
Fig. 3 is the method flow schematic diagram three of embodiment of the present invention reporting source of channel state information；
Fig. 4 is that embodiment of the present invention user terminal forms structural representation；
Fig. 5 is that embodiment of the present invention base station forms structural representation；
Fig. 6 is the system composition structural representation of embodiment of the present invention reporting source of channel state information.
Detailed description of the invention
Below in conjunction with the accompanying drawings and specific embodiment the present invention is further described in more detail.
Embodiment one,
A kind of method embodiments providing reporting source of channel state information, is applied to user terminal,
As it is shown in figure 1, include:
Step 101: get channel condition information (CSI, Channel State Information)
Step 102: the CSI got is reported to base station.
Wherein, the described CSI reported includes at least one following information:
First number of repetition；
At least one CQI, at least one CQI described are the CQI that the second number of repetition is corresponding；
The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
Here, described user terminal can be MTC user terminal.
Wherein, described first number of repetition includes: the modulation corresponding to described first number of repetition and coding
Strategy (MCS)；Or, the Signal to Interference plus Noise Ratio corresponding to described first number of repetition
(SINR).Wherein, MCS and SINE can be all be preset in user terminal or eNB lead to
Know.
Described get CSI, comprise determining that the position of channel condition information CSI reference resources；Based on
The position of described CSI reference resources, gets CSI.
Described first number of repetition is preset value or the value for eNB notice, is specifically as follows: CSI
Reference resources number of sub frames in time domain, or be a CSI reference resources arrowband correspondence on frequency domain
Number of sub frames.
Described method also includes: information to be included in the CSI reported described in Yu Sheing；Or, from institute
State base station get described in information to be included in the CSI that reports.
Information to be included in the described CSI reported can refer to described in the form of CSI that reports,
Described form arranges at least one information included described in step 102 needing to report.
At least one CQI described is: the average CQI on described CSI reference resources；Or, multiple
The CQI that each arrowband in arrowband is corresponding, the plurality of arrowband is that described CSI reference resources is on frequency domain
Corresponding multiple arrowbands.
Described first number of repetition can also be for one below: when described first number of repetition is one time, institute
Stating the first number of repetition is the average number of repetition on described CSI reference resources；Or, described first weight
Again number be twice or repeatedly time, described first number of repetition includes each arrowband in the plurality of arrowband
Corresponding number of repetition, the plurality of arrowband is that described CSI reference resources is corresponding multiple narrow on frequency domain
Band.
At least one CQI described in the present embodiment is that CQI corresponding to the second number of repetition represents: described
In at least one CQI, each CQI is the CQI got according to the second number of repetition and is accumulated
The value obtained.
Described method also includes: receive the CSI request information sent base station.
Described UE receives the CSI request information sent base station, including: receive base station by descending
The CSI request information that control information is sent；Or, receive the base station response message by Stochastic accessing
The CSI request information that RAR sends.
The described position determining CSI reference resources, including at least one of:
Described CSI reference resources for receiving all arrowbands of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for receiving the part arrowband of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources is for before UE reports CSI on frequency domain, and UE received descending letter
One or more arrowband in all arrowbands of breath, time domain is UE is narrow in one or more
All or part of subframe that band is corresponding；Or,
UE determines described CSI reference resources according to default mode；Or,
The position of the described CSI reference resources of base station notice；
Wherein, described appointment information include following at least one: Downlink Control Information, the sound of Stochastic accessing
Answer PDSCH or Downlink Control Information that information RAR, described Downlink Control Information dispatch and described
The PDSCH of Downlink Control Information scheduling.
The third repeating number of times described in the present embodiment can be once；Described 4th number of repetition can be to
The most once.
Visible, by use such scheme, user terminal can determine CSI reference resources position it
After, based on described position acquisition to CSI, according to default information format, CSI is reported to base station；By
In the CSI that can get correspondence with the first number of repetition, it is ensured that the CQI in the information reported can
Effectively used by base station, and then ensure that the user terminal of the position of low coverage rate is effectively adjusted by base station
Degree.
Embodiment two,
A kind of method embodiments providing reporting source of channel state information, is applied to base station, such as Fig. 2
Shown in, described method includes:
Step 201: get the CSI that user terminal reports；
Step 202: user terminal is scheduling according to the described CSI reported；
The CSI that described user terminal reports includes at least one following information:
First number of repetition；
At least one channel quality indication (CQI) information CQI, at least one CQI described are the second number of repetition pair
The CQI answered；
The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
Here, described user terminal can be MTC user terminal.
It addition, base station can also notify the position that described user terminal CSI reference resources is corresponding；So that
Described user terminal receives CSI reference resources according to the notice of base station in corresponding position.
Wherein, described first number of repetition includes: the modulation corresponding to described first number of repetition and coding
Strategy MCS；Or, the Signal to Interference plus Noise Ratio corresponding to described first number of repetition.Wherein,
MCS and SINE can be all to be preset in user terminal or eNB notice.
Described first number of repetition is preset value or the value for eNB notice.
Described first number of repetition is: CSI reference resources number of sub frames in time domain, or joins for CSI
Examine the number of sub frames that a resource arrowband on frequency domain is corresponding.
The third repeating number of times described in the present embodiment can be once；Described 4th number of repetition can be to
The most once.
Described method also includes: send CSI request information to described user terminal.
At least one CQI described is: the average CQI on described CSI reference resources；Or, multiple
The CQI that each arrowband in arrowband is corresponding, the plurality of arrowband is that described CSI reference resources is on frequency domain
Corresponding multiple arrowbands.
Described to described user terminal send CSI request information, including: sent by Downlink Control Information
CSI request information is to described user terminal；
Or, send CSI request information to described user terminal by RAR.
Described Downlink Control Information or RAR include at least one following information:
Information to be included in the CSI reported；
Second number of repetition；
Modulation corresponding to described first number of repetition and coding strategy MCS, or described first repetition
SINR corresponding to number of times；
The position of CSI reference resources.
Described first number of repetition is one below:
Described first number of repetition is a number of repetition, then be the average weight on described CSI reference resources
Again count, or
Described first number of repetition is two or more number of repetition, then be each in the plurality of arrowband
The number of repetition that arrowband is corresponding, the plurality of arrowband is that described CSI reference resources is corresponding many on frequency domain
Individual arrowband.
Described method also includes: receive the CSI request information sent base station.
Described UE receives the CSI request information sent base station, including:
Receive the CSI request information that base station is sent by appointment information；
Wherein, described appointment information include following at least one: Downlink Control Information, the sound of Stochastic accessing
Answer PDSCH or Downlink Control Information that information RAR, described Downlink Control Information dispatch and described
The PDSCH of Downlink Control Information scheduling.
The described position determining CSI reference resources, including at least one of:
Described CSI reference resources for receiving all arrowbands of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for receiving the part arrowband of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources is for before UE reports CSI on frequency domain, and UE received descending letter
One or more arrowband in all arrowbands of breath, time domain is UE is narrow in one or more
All or part of subframe that band is corresponding；Or,
UE determines described CSI reference resources according to default mode；Or,
The position of the described CSI reference resources of eNB notice.
Visible, by use such scheme, user terminal can determine CSI reference resources position it
After, based on described position acquisition to CSI, according to default information format, CSI is reported to base station；By
In the CSI that can get correspondence with the first number of repetition, it is ensured that the CQI in the information reported can
Effectively used by base station, and then ensure that the user terminal of the position of low coverage rate is effectively adjusted by base station
Degree.
Embodiment three,
The embodiment of the present invention provides the report method of a kind of channel condition information, as it is shown on figure 3, include:
Step 301: evolved base station (eNB) sends CSI request information to UE；By described CSI
Solicited message triggers UE and sends CSI；
Step 302:UE receives described CSI request information, determines CSI according to presupposed information form
The position of reference resources.
Step 303: position based on described CSI reference resources, gets CSI；
Step 304: the CSI got is reported to base station according to presupposed information form.
Here, described CSI request information can arrange with in down control channel or RAR；
Wherein, the RAR under described RAR is contention access, it is also possible to be the RAR under non-contention access.
Down control channel can be ePDCCH, it is also possible to be the arrowband PDCCH of a kind of new definition, actual
This it is not limited to several in Ying.
Described presupposed information form can be the content that eNB requires that UE reports.
Described CSI reference resources includes: time domain reference resource and frequency domain reference resource；Described CSI is institute
State the CSI on CSI reference resources, the CSI that the most described CSI reference resources is corresponding.
Described CSI reference resources for receiving all arrowbands of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；
Or,
Described CSI reference resources for receiving the part arrowband of appointment information, time domain is described on frequency domain
All or part of subframe of appointment information.
Wherein, described appointment information include following at least one: described Downlink Control Information, RAR or
Described in person, PDSCH, Downlink Control Information and the described Downlink Control Information of Downlink Control Information scheduling are adjusted
The PDSCH of degree.
Described appointment information can have eNB to repeat over multiple subframes to send；Can be that eNB exists
Transmission is repeated on one arrowband；It can also be eNB frequency-hopping transmissions in multiple arrowbands.
Described CSI reference resources is one or more arrowband on frequency domain, and described CSI reference resources exists
It it is one or more subframe in time domain.
The CSI that in the present embodiment, UE reports include following at least one: the first number of repetition；Represent
On one or more arrowband, the number of repetition that UE reaches default BLER and needs is described first weight
Again counting, MCS or SINR corresponding to described first number of repetition is a value or an interval,
For default or eNB notice.The most described MCS is QPSK modulation, 1/3 code rate,
Or it is the MCS index value in existing protocol, is not limited to this mode.
Further, described MCS or SINR information can also be included in described Downlink Control Information
In.
If CSI reference resources is an arrowband on frequency domain, the number of repetition that UE reports is described narrow
The number of repetition that band is corresponding.
If CSI reference resources is multiple arrowband on frequency domain, UE reports number of repetition to be described all
The average number of repetition that arrowband is corresponding.
Or, if CSI reference resources is multiple arrowband on frequency domain, the described repetition that UE reports time
Number can be multiple numbers of repetition that the described CSI reference resources multiple arrowbands on frequency domain are corresponding.Ratio
As, CSI reference resources is arrowband and the subframe triggering the PDCCH place that CSI reports, it is assumed that described
PDCCH repeats to send in subframe #0～9, and in these 10 subframes, subframe #0～4 is at arrowband #1
Upper transmission, subframe #5～9 CSI send on arrowband #2, then UE has reported 2 numbers of repetition,
That first number of repetition is corresponding is arrowband #1, and that second number of repetition is corresponding is arrowband #2.
Further, described number of repetition can be according to the number of repetition on preset order arrangement arrowband,
Such as according to the order increased successively in frequency, or the time sequencing according to arrowband；Or can also be
One or more number of repetition that in the plurality of arrowband, one or more arrowband is corresponding,
Preferably, UE selects best one or multiple arrowband.Described best one or multiple narrow
Band can be the CQI one or more arrowbands higher than predetermined threshold value；Or, described best one
Or multiple arrowband can be described CQI in whole CQI that this gets before one of specific bit or
Multiple arrowbands；Wherein, front specific bit can be arranged according to practical situation, can be front two or first three
Position, such as, this has got 5 CQI, UE and has selected the first two CQI that CQI value is the highest corresponding
Arrowband.
Further, UE can also report arrowband to index.If what UE reported is the rope of an arrowband
Draw, then described arrowband index can be according to the rope after default regular partition by whole system bandwidth
Drawing, the system bandwidth of 20MHz is such as divided into 17 arrowbands, index is respectively 0～16；Also may be used
Be temporal priority index, the most described CSI reference resources be described in carry CSI request information
The running time-frequency resource at Downlink Control Information place, described Downlink Control Information has frequency hopping altogether 4 times, according to time
Between order, these 4 arrowbands the most corresponding 0,1,2,3.If what UE reported is the rope of multiple arrowband
Drawing, UE can report the index of the plurality of arrowband, the most described CSI reference resources to be described respectively
Carrying the running time-frequency resource at the Downlink Control Information place of CSI request information, described Downlink Control Information is altogether
Frequency hopping 4 times, sequentially in time, these 4 arrowbands the most corresponding 0,1,2,3, it is stipulated that on UE
Report the CSI on two arrowbands, it is assumed that UE select be index be the arrowband of 1 and 2, then need 4bit
Represent that the two indexes；In order to save bit, it is also possible to report a joint index, described associating rope
Draw one to havePlant value, it is only necessary to 3bit indicates.
The described number of repetition information reported can be one of default index, and ratio is if any 3bit, difference table
Show repetition 10,20,40,60,80,100,200,400 times, then UE can report 3bit to believe
Breath represents the number of repetition on described arrowband.Described number of repetition information can also cover grade with similar
Mode notify, such as one have 3 cover grades, correspondence is repeated 10 times respectively, 50 times, 100
Secondary, represent with 2 bit.
At least one CQI, described CQI are the CQI that the second number of repetition is corresponding
The CSI that UE reports is at least one CQI, represents that UE is to reach default BLER, repeats time
At least one CQI that number is corresponding when being the second number of repetition specified, described second number of repetition is default
Or eNB notice.
Further, described second number of repetition is CSI reference resources number of sub frames in time domain, or
For the number of sub frames that a CSI reference resources arrowband on frequency domain is corresponding.Such as CSI reference resources is for taking
With the Downlink Control Information of CSI request information, described Downlink Control Information repeats have sent 100 times,
UE has reported an average CQI, and the number of repetition corresponding for CQI reported is 100；Or, or
Person, CSI reference resources is the Downlink Control Information carrying CSI request information, described Downlink Control Information
4 arrowbands repeat transmission, each arrowband have sent 25 times, transmit altogether 100 times, UE
The CQI reported is 4 CQI, the most corresponding 4 arrowbands, and number of repetition is 100；Or, CSI
Reference resources is the Downlink Control Information carrying CSI request information, and described Downlink Control Information is narrow at 4
Repeating transmission on band, each arrowband have sent 25 times, the CQI that UE reports is 4 CQI, point
4 arrowbands of correspondence, and number of repetition are 25.
Further, the index of described second number of repetition can also be included in described Downlink Control Information
In.If CSI reference resources is an arrowband on frequency domain, the CQI that UE reports is described arrowband pair
The CQI answered.If CSI reference resources is multiple arrowband on frequency domain, UE reports the CQI to be
The average CQI that described all arrowbands are corresponding.Such as, CSI reference resources is to trigger CSI to report
The arrowband at PDCCH place and subframe, it is assumed that described PDCCH repeats to send in subframe #0～9,
In these 10 subframes, subframe #0～4 sends on arrowband #1, subframe #5～9 CSI at arrowband #2
Upper transmission, then UE has reported 2 CQI, that first CQI is corresponding is arrowband #1, second
That CQI is corresponding is arrowband #2.
Or, if CSI reference resources is multiple arrowband on frequency domain, the described CQI that UE reports can
To be multiple CQI that the described CSI reference resources multiple arrowbands on frequency domain are corresponding.
Further, the plurality of CQI can be according to the CQI on preset order arrangement arrowband, such as
According to the order increased successively in frequency, or the time sequencing according to arrowband；Or can also be described
One or more CQI that in multiple arrowbands, one or more arrowband is corresponding, it is preferable that UE selects
Best one or multiple arrowband.
Further, UE also reports arrowband to index, if what UE reported is the index of an arrowband.
The index of one number of repetition, and one or more CQI that described number of repetition is corresponding.
The CSI that UE reports be the index of a number of repetition and described number of repetition corresponding or
The index of the multiple CQI of person.
If CSI reference resources is an arrowband on frequency domain, number of repetition and CQI that UE reports are
Number of repetition that described arrowband is corresponding and CQI.
If CSI reference resources is multiple arrowband on frequency domain, number of repetition and CQI that UE reports are
An average number of repetition that described all arrowbands are corresponding and average CQI.
Or, if CSI reference resources is multiple arrowband on frequency domain, the number of repetition that UE reports is
The number of repetition that the plurality of arrowband is corresponding, multiple CQI that UE reports are that described CSI is with reference to money
Multiple CQI that multiple arrowbands on frequency domain, the source are the most corresponding.Such as UECSI reference resources is at frequency domain
On be two arrowbands, respectively arrowband #1 and arrowband #2, the information that UE reports is number of repetition M,
With two CQI:CQI1 and CQI2, then arrowband #1 correspondence M and CQI1, arrowband #2 correspondence M and
CQI2.
Further, the plurality of CQI can be according to the CQI on preset order arrangement arrowband, such as
According to the order increased successively in frequency, or the time sequencing according to arrowband；Or can also be described
One or more CQI that in multiple arrowbands, one or more arrowband is corresponding.
Further, UE also reports arrowband to index, if what UE reported is the index of an arrowband.
The index of multiple numbers of repetition, and multiple CQI that multiple number of repetition is the most corresponding
The CSI that UE reports is index and the plurality of number of repetition correspondence respectively of multiple number of repetition
The index of multiple CQI.
If CSI reference resources is multiple arrowband on frequency domain, the number of repetition that UE reports is described many
Multiple numbers of repetition that each arrowband of individual arrowband is the most corresponding, multiple CQI that UE reports are described CSI
Multiple CQI that the reference resources multiple arrowbands on frequency domain are the most corresponding.What such as UE reported is two
CSI on arrowband, respectively arrowband #1 and arrowband #2, the information that UE reports is a number of repetition
M1 and M2, and two CQI:CQI1 and CQI2, then arrowband #1 correspondence M1 and CQI1, arrowband
#2 correspondence M2 and CQI2.
Further, described second number of repetition and multiple CQI can arrange according to preset order,
Such as according to the order increased successively in frequency, or the time sequencing according to arrowband；Or can also be
One or more CQI that in the plurality of arrowband, one or more arrowband is corresponding.
Further, UE also reports arrowband to index, if what UE reported is the index of an arrowband.
It is above the content of the CSI that UE reports.
Further, described presupposed information form is default, or eNB notice, the most logical
Cross RRC to signal, it is also possible to notify in described Downlink Control Information, such as with 2bit instruction only
Report number of repetition, only report CQI, reported in number of repetition and CQI.
If the Downlink Control Information carrying CSI request information described in is scheduling PUSCH, then
UE reports CSI on described PUSCH.
If the Downlink Control Information carrying CSI request information described in is scheduling PDSCH, then
CSI is reported, it is preferable that first scheduling after selection on UE some PUSCH later
PUSCH, or UE can also report CSI, or UE in default subframe on PUCCH
CSI can also be reported in a default PUSCH resource in default subframe.
For carrying the RAR of CSI request, the uplink authorization that can carry in RAR is corresponding
PUSCH transmitted over resources.
Embodiment four:
Unlike embodiment three, UE determines CSI reference resources according to default mode, is such as
Reporting the moment is subframe n, then CSI reference resources is 20 subframes before n-4 in time domain, frequently
It it is the arrowband receiving downstream signal in described 20 subframes on territory.Or preset and reported before the moment
The subframe of near reception PDSCH, the such as n moment for reporting the moment, recent reception PDSCH
Subframe be n-13 to n-4, in described subframe, PDSCH repeats to have sent 10 times, then these are 10 years old
Individual subframe is CSI time domain reference resource, and the arrowband at PDSCH place is CSI frequency domain reference resource.
The reporting schemes of UE is similar with embodiment three.
Embodiment five:
Unlike embodiment three, the CSI reference resources of eNB notice UE, such as described descending
Control information or RAR notify.
The reporting schemes of UE is similar with embodiment three.
Embodiment six:
Unlike embodiment three, described CSI reference resources on frequency domain for UE report CSI it
Before, UE received one or more arrowband in all arrowbands of downlink information, time domain was UE
The all or part of subframe corresponding in one or more arrowband.Before such as UE reports the moment,
Receiving downlink information on 8 arrowbands, UE selects a best arrowband to report.UE's is upper
Report mode is similar with embodiment three.
Embodiment seven,
Embodiments providing a kind of user terminal, as shown in Figure 4, described user terminal includes:
First processing unit 41, is used for getting CSI；
First communication unit 42, for reporting to base station by the CSI got；
Wherein, the described CSI reported described in includes at least one following information:
First number of repetition；
At least one channel quality indication (CQI) information CQI, at least one CQI described are the second number of repetition pair
The CQI answered；
The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
Here, described user terminal can be MTC user terminal.
Wherein, described presupposed information form also includes: the modulation corresponding to described first number of repetition with
Coding strategy (MCS)；Or, the Signal to Interference plus Noise Ratio corresponding to described first number of repetition
(SINR).Wherein, MCS and SINE can be all be preset in user terminal or eNB lead to
Know.
Described first number of repetition is preset value or the value for eNB notice.
Described first number of repetition is: CSI reference resources number of sub frames in time domain, or joins for CSI
Examine the number of sub frames that a resource arrowband on frequency domain is corresponding.
Described first processing unit, is additionally operable to preset described presupposed information form；Or, lead to by first
Letter unit gets presupposed information form from described base station.
At least one CQI described is that described in the CQI that the second number of repetition is corresponding, second number of repetition is
Preset value or the value for base station notice.At least one CQI described is: on described CSI reference resources
Average CQI；Or, the CQI that each arrowband in multiple arrowbands is corresponding, the plurality of arrowband is institute
State multiple arrowbands that CSI reference resources is corresponding on frequency domain.
Described first number of repetition is one below:
One number of repetition is the average number of repetition on described CSI reference resources, or
Said two or multiple number of repetition include the repetition that each arrowband in the plurality of arrowband is corresponding
Number of times, the plurality of arrowband is multiple arrowbands that described CSI reference resources is corresponding on frequency domain.
Described first communication unit, is additionally operable to receive the CSI request information sent base station.Including:
Receive the CSI request information that base station is sent by appointment information；
Wherein, described appointment information include following at least one: Downlink Control Information, the sound of Stochastic accessing
Answer PDSCH or Downlink Control Information that information RAR, described Downlink Control Information dispatch and described
The PDSCH of Downlink Control Information scheduling.
The described position determining CSI reference resources, including at least one of:
Described CSI reference resources for receiving all arrowbands of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for receiving the part arrowband of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources is for before UE reports CSI on frequency domain, and UE received descending letter
One or more arrowband in all arrowbands of breath, time domain is UE is narrow in one or more
All or part of subframe that band is corresponding；Or,
UE determines described CSI reference resources according to default mode；Or,
The position of the described CSI reference resources of base station notice.
Visible, by use such scheme, user terminal can determine CSI reference resources position it
After, based on described position acquisition to CSI, according to default information format, CSI is reported to base station；By
In the CSI that can get correspondence with the first number of repetition, it is ensured that the CQI in the information reported can
Effectively used by base station, and then ensure that the user terminal of the position of low coverage rate is effectively adjusted by base station
Degree.
Embodiment eight,
Embodiments provide a kind of base station, as it is shown in figure 5, described base station includes:
Second communication unit 51, for getting the CSI that user terminal reports according to presupposed information form；
Second processing unit 52, for being scheduling user terminal according to described CSI；
Wherein, described presupposed information form at least includes one below: the first number of repetition；And institute
State the channel quality indication (CQI) information CQI corresponding to the first number of repetition；At least one CQI.
Here, described user terminal can be MTC user terminal.
It addition, base station can also notify the position that described user terminal CSI reference resources is corresponding；So that
Described user terminal receives CSI reference resources according to the notice of base station in corresponding position.
Wherein, described presupposed information form also includes: the modulation corresponding to described first number of repetition with
Coding strategy (MCS)；Or, the Signal to Interference plus Noise Ratio corresponding to described first number of repetition
(SINR).Wherein, MCS and SINE can be all be preset in user terminal or eNB lead to
Know.
Described first number of repetition is preset value or the value for eNB notice.
Described first number of repetition is: CSI reference resources number of sub frames in time domain, or joins for CSI
Examine the number of sub frames that a resource arrowband on frequency domain is corresponding.
Described second communication unit 51, for sending CSI request information to described user terminal.
At least one CQI described is: the average CQI on described CSI reference resources；Or, multiple
The CQI that each arrowband in arrowband is corresponding, the plurality of arrowband is that described CSI reference resources is on frequency domain
Corresponding multiple arrowbands.
Described to described user terminal send CSI request information, including:
CSI request information is sent to described user terminal by Downlink Control Information；
Or, send CSI request information to described user terminal by RAR.
Described Downlink Control Information or RAR include at least one following information:
Information to be included in the CSI reported；
Second number of repetition；
Modulation corresponding to described first number of repetition and coding strategy MCS, or described first repetition
SINR corresponding to number of times；
The position of CSI reference resources.
Described first number of repetition is one below:
One number of repetition is the average number of repetition on described CSI reference resources, or
Said two or multiple number of repetition include the repetition that each arrowband in the plurality of arrowband is corresponding
Number of times, the plurality of arrowband is multiple arrowbands that described CSI reference resources is corresponding on frequency domain.
Described second communication unit 51, for receiving the CSI request information sent base station.
Described UE receives the CSI request information sent base station, including:
Receive the CSI request information that base station is sent by appointment information；
Wherein, described appointment information include following at least one: Downlink Control Information, the sound of Stochastic accessing
Answer PDSCH or Downlink Control Information that information RAR, described Downlink Control Information dispatch and described
The PDSCH of Downlink Control Information scheduling.
The described position determining CSI reference resources, including at least one of:
Described CSI reference resources for receiving all arrowbands of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for receiving the part arrowband of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources is for before UE reports CSI on frequency domain, and UE received descending letter
One or more arrowband in all arrowbands of breath, time domain is UE is narrow in one or more
All or part of subframe that band is corresponding；Or,
UE determines described CSI reference resources according to default mode；Or,
The position of the described CSI reference resources of eNB notice.
Visible, by use such scheme, user terminal can determine CSI reference resources position it
After, based on described position acquisition to CSI, according to default information format, CSI is reported to base station；By
In the CSI that can get correspondence with the first number of repetition, it is ensured that the CQI in the information reported can
Effectively used by base station, and then ensure that the user terminal of the position of low coverage rate is effectively adjusted by base station
Degree.
Embodiment nine,
Embodiments provide the system of a kind of reporting source of channel state information, as shown in Figure 6, described system
System includes:
User terminal 61, is used for getting CSI；According to presupposed information form, the CSI got is reported
To base station；Wherein, the described CSI reported described in includes at least one following information: the first repetition is secondary
Number；At least one channel quality indication (CQI) information CQI, at least one CQI described are the second number of repetition pair
The CQI answered；The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；The
Four numbers of repetition, and at least two CQI that described 4th number of repetition is the most corresponding；
Base station 62, for receiving the CSI that user terminal reports, according to the described CSI reported to user
Terminal is scheduling.
The use that the function of user terminal described in the present embodiment and base station provides with embodiment six embodiment seven
Family terminal is identical with the function of base station, does not repeats.
In several embodiments provided herein, it should be understood that disclosed equipment and method,
Can realize by another way.Apparatus embodiments described above is only schematically, such as,
The division of described unit, is only a kind of logic function and divides, and actual can have other division when realizing
Mode, such as: multiple unit or assembly can be in conjunction with, or are desirably integrated into another system, or some are special
Levy and can ignore, or do not perform.It addition, the coupling each other of shown or discussed each ingredient,
Or direct-coupling or communication connection can be the INDIRECT COUPLING by some interfaces, equipment or unit or logical
Letter connect, can be electrical, machinery or other form.
The above-mentioned unit illustrated as separating component can be or may not be physically separate, makees
The parts shown for unit can be or may not be physical location, i.e. may be located at a place,
Can also be distributed on multiple NE；Can select according to the actual needs therein partly or entirely
Unit realizes the purpose of the present embodiment scheme.
It addition, each functional unit in various embodiments of the present invention can be fully integrated into a processing module
In, it is also possible to it is that each unit is individually as a unit, it is also possible to two or more unit collection
Become in a unit；Above-mentioned integrated unit both can realize to use the form of hardware, it would however also be possible to employ
Hardware adds the form of SFU software functional unit and realizes.
One of ordinary skill in the art will appreciate that: realize all or part of step of said method embodiment
Can be completed by the hardware that programmed instruction is relevant, aforesaid program can be stored in a computer-readable
Taking in storage medium, this program upon execution, performs to include the step of said method embodiment；And it is aforementioned
Storage medium include: movable storage device, read only memory (ROM, Read-Only Memory),
Random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various
The medium of program code can be stored.
The above, the only detailed description of the invention of the present invention, but protection scope of the present invention is not limited to
In this, any those familiar with the art, can be easily in the technical scope that the invention discloses
Expect change or replace, all should contain within protection scope of the present invention.Therefore, the protection of the present invention
Scope should be as the criterion with described scope of the claims.
Claims (33)
1. a method for reporting source of channel state information, is applied to user terminal, it is characterised in that described side
Method includes:
Get channel condition information CSI；
The CSI got is reported to base station；
Wherein, the described CSI reported includes at least one following information:
First number of repetition；
At least one channel quality indication (CQI) information CQI, at least one CQI described are the second number of repetition pair
The CQI answered；
The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
Method the most according to claim 1, it is characterised in that described in get CSI, including:
Determine the position of channel condition information CSI reference resources；
Position based on described CSI reference resources, gets CSI.
Method the most according to claim 1, it is characterised in that described first number of repetition includes:
Modulation corresponding to described first number of repetition and coding strategy MCS；
Or,
Signal to Interference plus Noise Ratio SINR corresponding to described first number of repetition.
Method the most according to claim 1, it is characterised in that at least one CQI described is
Second number of repetition described in the CQI that two numbers of repetition are corresponding is preset value or the value for base station notice.
Method the most according to claim 1, it is characterised in that described second number of repetition is:
Identical with CSI reference resources number of sub frames in time domain；
Or,
The number of sub frames corresponding with a CSI reference resources arrowband on frequency domain is identical.
Method the most according to claim 1, it is characterised in that described method also includes:
Information to be included in the CSI reported described in Yu Sheing；Or, get described from described base station
Information to be included in the CSI reported.
Method the most according to claim 1, it is characterised in that described in the CSI that reports also wraps
Include following information: the index of at least one arrowband.
Method the most according to claim 1, it is characterised in that at least one CQI described is:
Average CQI on described CSI reference resources；Or, each arrowband in multiple arrowbands is corresponding
CQI, the plurality of arrowband is multiple arrowbands that described CSI reference resources is corresponding on frequency domain.
Method the most according to claim 1, it is characterised in that described first number of repetition be with
One of lower:
Described first number of repetition is the average number of repetition on described CSI reference resources；
Or,
Described first number of repetition includes the number of repetition that each arrowband in the plurality of arrowband is corresponding, institute
Stating multiple arrowband is multiple arrowbands that described CSI reference resources is corresponding on frequency domain.
Method the most according to claim 1 and 2, it is characterised in that described method also includes:
Receive the CSI request information sent base station.
11. methods according to claim 10, it is characterised in that described in receive base station and send
CSI request information, including:
Receive the CSI request information that base station is sent by Downlink Control Information；
Or, receive the CSI request information that base station is sent by response message RAR of Stochastic accessing.
12. methods according to claim 11, it is characterised in that described determine CSI with reference to money
The position in source, including at least one of:
Described CSI reference resources for receiving all arrowbands of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for receiving the part arrowband of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for before reporting CSI, received all of downlink information on frequency domain
One or more arrowband in arrowband, in time domain corresponding all in one or more arrowband or
Person's part subframe；Or,
Described CSI reference resources is determined according to default mode；Or,
The position of the described CSI reference resources of base station notice；
Wherein, described appointment information include following at least one: Downlink Control Information, the sound of Stochastic accessing
Answer PDSCH or Downlink Control Information that information RAR, described Downlink Control Information dispatch and described
The PDSCH of Downlink Control Information scheduling.
The method of 13. 1 kinds of reporting source of channel state informations, is applied to base station, it is characterised in that described method
Including:
Get the CSI that user terminal reports；
According to the described CSI reported, user terminal is scheduling；
Wherein, the CSI that described user terminal reports includes at least one following information:
First number of repetition；
At least one channel quality indication (CQI) information CQI, at least one CQI described are the second number of repetition pair
The CQI answered；
The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
14. methods according to claim 13, it is characterised in that described method also includes:
CSI request information is sent to described user terminal.
15. methods according to claim 14, it is characterised in that described to described user terminal
Send CSI request information, including:
CSI request information is sent to described user terminal by Downlink Control Information；
Or, send CSI request information to described user terminal by RAR.
16. methods according to claim 15, it is characterised in that described Downlink Control Information or
Person RAR includes at least one following information:
Information to be included in the CSI reported；
Second number of repetition；
Modulation corresponding to described first number of repetition and coding strategy MCS, or described first repetition
SINR corresponding to number of times；
The position of CSI reference resources.
17. 1 kinds of user terminals, it is characterised in that described user terminal includes:
First processing unit, is used for getting CSI；
First communication unit, for reporting to base station by the CSI got；
Wherein, the described CSI reported described in includes at least one following information:
First number of repetition；
At least one channel quality indication (CQI) information CQI, at least one CQI described are the second number of repetition pair
The CQI answered；
The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
18. user terminals according to claim 17, it is characterised in that described first processes list
Unit, is additionally operable to determine the position of channel condition information CSI reference resources；Based on described CSI reference resources
Position, get CSI.
19. user terminals according to claim 17, it is characterised in that described first repetition time
Number includes:
Modulation corresponding to described first number of repetition and coding strategy MCS；
Or,
Signal to Interference plus Noise Ratio SINR corresponding to described first number of repetition.
20. user terminals according to claim 18, it is characterised in that at least one CQI described
It is that the second number of repetition described in CQI corresponding to the second number of repetition is preset value or notifies for base station
Value.
21. user terminals according to claim 18, it is characterised in that described second repetition time
Number is: identical with CSI reference resources number of sub frames in time domain；
Or,
The number of sub frames corresponding with a CSI reference resources arrowband on frequency domain is identical.
22. user terminals according to claim 18, it is characterised in that described first processes list
Unit, is additionally operable to information to be included in the CSI reported described in presetting；
Or,
By the letter that the first communication unit is to be included from the CSI reported described in described base station gets
Breath.
23. user terminals according to claim 18, it is characterised in that described in the CSI that reports
In also include following information: the index of at least one arrowband.
24. user terminals according to claim 18, it is characterised in that at least one CQI described
For:
Average CQI on described CSI reference resources；Or, each arrowband in multiple arrowbands is corresponding
CQI, the plurality of arrowband is multiple arrowbands that described CSI reference resources is corresponding on frequency domain.
25. user terminals according to claim 18, it is characterised in that described first repetition time
Number is one below:
Described first number of repetition is the average number of repetition on described CSI reference resources, or
Described first number of repetition includes the number of repetition that each arrowband in the plurality of arrowband is corresponding, institute
Stating multiple arrowband is multiple arrowbands that described CSI reference resources is corresponding on frequency domain.
26. according to the user terminal described in claim 18 or 19, it is characterised in that described communication unit
Unit, is additionally operable to receive the CSI request information sent base station.
27. user terminals according to claim 26, it is characterised in that described first communication unit
Unit, is additionally operable to receive the CSI request information that base station is sent by Downlink Control Information；Or, receive
The CSI request information sent by RAR to base station.
28. user terminals according to claim 27, it is characterised in that described first processes list
Unit determines the position of CSI reference resources, including at least one of:
Described CSI reference resources for receiving all arrowbands of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for receiving the part arrowband of appointment information, time domain is receive on frequency domain
All or part of subframe of described appointment information；Or,
Described CSI reference resources for before reporting CSI, received all of downlink information on frequency domain
One or more arrowband in arrowband, in time domain corresponding all in one or more arrowband or
Person's part subframe；Or,
Described CSI reference resources is determined according to default mode；Or,
The position of the described CSI reference resources of base station notice；
Wherein, described appointment information include following at least one: Downlink Control Information, the sound of Stochastic accessing
Answer PDSCH or Downlink Control Information that information RAR, described Downlink Control Information dispatch and described
The PDSCH of Downlink Control Information scheduling.
29. 1 kinds of base stations, it is characterised in that described base station includes:
Second communication unit, for getting the CSI that user terminal reports；
Second processing unit, is scheduling user terminal for the CSI reported described in basis；
Wherein, the CSI that described user terminal reports includes at least one following information:
First number of repetition；
At least one channel quality indication (CQI) information CQI, at least one CQI described are the second number of repetition pair
The CQI answered；
The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
30. base stations according to claim 29, it is characterised in that described second communication unit,
It is additionally operable to send CSI request information to described user terminal.
31. base stations according to claim 30, it is characterised in that described second communication unit,
Specifically for sending CSI request information to described user terminal by Downlink Control Information；Or, pass through
RAR sends CSI request information to described user terminal.
32. base stations according to claim 30, it is characterised in that described Downlink Control Information or
Person RAR includes at least one following information:
Information to be included in the CSI reported；
Second number of repetition；
MCS corresponding to described first number of repetition, or corresponding to described first number of repetition
SINR；
The position of CSI reference resources.
The system of 33. 1 kinds of reporting source of channel state informations, it is characterised in that described system includes:
User terminal, is used for getting channel condition information CSI；The CSI got is reported to base station；
Base station, for receiving the CSI that user terminal reports, according to the described CSI reported to user eventually
End is scheduling；Wherein, the described CSI reported described in includes at least one following information: the first weight
Again count；At least one channel quality indication (CQI) information CQI, at least one CQI described are the second repetition time
The CQI that number is corresponding；The third repeating number of times, and at least one CQI that described the third repeating number of times is corresponding；
4th number of repetition, and at least two CQI that described 4th number of repetition is the most corresponding.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170356.4A CN106160932A (en) | 2015-04-10 | 2015-04-10 | The method of reporting source of channel state information, user terminal, base station and system |
| PCT/CN2016/076176 WO2016161871A1 (en) | 2015-04-10 | 2016-03-11 | Method, user terminal, base station, and system for reporting channel state information |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510170356.4A CN106160932A (en) | 2015-04-10 | 2015-04-10 | The method of reporting source of channel state information, user terminal, base station and system |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108631927A (en) * | 2017-03-24 | 2018-10-09 | 中兴通讯股份有限公司 | Information transferring method and device |
| WO2018196787A1 (en) * | 2017-04-28 | 2018-11-01 | 华为技术有限公司 | Channel state indication method and apparatus, and network device |
| CN109600210A (en) * | 2017-09-30 | 2019-04-09 | 华为技术有限公司 | Data transmission method, terminal device and the network equipment |
| CN110113818A (en) * | 2018-02-01 | 2019-08-09 | 北京三星通信技术研究有限公司 | Channel state information reporting method, user equipment, base station and computer-readable medium |
| CN110637428A (en) * | 2017-06-16 | 2019-12-31 | 中兴通讯股份有限公司 | Channel state information report transmission |
| CN111311039A (en) * | 2018-12-12 | 2020-06-19 | 中国移动通信集团四川有限公司 | Method, device, equipment and medium for determining sensitive user |
| WO2020191705A1 (en) * | 2019-03-28 | 2020-10-01 | Qualcomm Incorporated | Configuring channel state information (csi) reporting for a set of narrowbands |
| CN113728556A (en) * | 2019-04-30 | 2021-11-30 | 华为技术有限公司 | Communication method and device |
| US11778653B2 (en) | 2018-02-01 | 2023-10-03 | Samsung Electronics Co., Ltd. | Channel state information reporting method, UE, base station and computer readable storage media |
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| WO2021007809A1 (en) * | 2019-07-17 | 2021-01-21 | 华为技术有限公司 | Channel quality reporting method, device and system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108631927A (en) * | 2017-03-24 | 2018-10-09 | 中兴通讯股份有限公司 | Information transferring method and device |
| CN108631927B (en) * | 2017-03-24 | 2022-08-19 | 中兴通讯股份有限公司 | Information transmission method and device |
| US11172393B2 (en) | 2017-04-28 | 2021-11-09 | Huawei Technologies Co., Ltd. | Channel state indication method and apparatus, and network device |
| WO2018196787A1 (en) * | 2017-04-28 | 2018-11-01 | 华为技术有限公司 | Channel state indication method and apparatus, and network device |
| CN108809484A (en) * | 2017-04-28 | 2018-11-13 | 华为技术有限公司 | A kind of indicating means of channel status, device and the network equipment |
| CN108809484B (en) * | 2017-04-28 | 2020-04-21 | 华为技术有限公司 | Channel state indication method, device and network equipment |
| CN110637428A (en) * | 2017-06-16 | 2019-12-31 | 中兴通讯股份有限公司 | Channel state information report transmission |
| CN110637428B (en) * | 2017-06-16 | 2022-01-28 | 中兴通讯股份有限公司 | Channel state information report transmission |
| CN109600210A (en) * | 2017-09-30 | 2019-04-09 | 华为技术有限公司 | Data transmission method, terminal device and the network equipment |
| CN110113818A (en) * | 2018-02-01 | 2019-08-09 | 北京三星通信技术研究有限公司 | Channel state information reporting method, user equipment, base station and computer-readable medium |
| US11778653B2 (en) | 2018-02-01 | 2023-10-03 | Samsung Electronics Co., Ltd. | Channel state information reporting method, UE, base station and computer readable storage media |
| CN110113818B (en) * | 2018-02-01 | 2023-12-15 | 北京三星通信技术研究有限公司 | Channel state information reporting method, user equipment, base station and computer readable medium |
| CN111311039A (en) * | 2018-12-12 | 2020-06-19 | 中国移动通信集团四川有限公司 | Method, device, equipment and medium for determining sensitive user |
| CN111311039B (en) * | 2018-12-12 | 2023-04-28 | 中国移动通信集团四川有限公司 | Method, device, equipment and medium for determining sensitive user |
| WO2020191705A1 (en) * | 2019-03-28 | 2020-10-01 | Qualcomm Incorporated | Configuring channel state information (csi) reporting for a set of narrowbands |
| CN113728556A (en) * | 2019-04-30 | 2021-11-30 | 华为技术有限公司 | Communication method and device |
| CN113728556B (en) * | 2019-04-30 | 2023-11-03 | 华为技术有限公司 | Communication method and device |
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| WO2016161871A1 (en) | 2016-10-13 |
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