CN109429321A - Report method, user terminal and the readable storage medium storing program for executing of power margin information - Google Patents
Report method, user terminal and the readable storage medium storing program for executing of power margin information Download PDFInfo
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- CN109429321A CN109429321A CN201710770587.8A CN201710770587A CN109429321A CN 109429321 A CN109429321 A CN 109429321A CN 201710770587 A CN201710770587 A CN 201710770587A CN 109429321 A CN109429321 A CN 109429321A
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- serving cell
- lte
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- power headroom
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/30—TPC using constraints in the total amount of available transmission power
- H04W52/36—TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/365—Power headroom reporting
Abstract
A kind of report method of power margin information, user terminal and computer readable storage medium.The described method includes: when reporting the power margin information of NR serving cell to LTE base station, if subcarrier spacing used in the NR serving cell current transmission data is different from subcarrier spacing used in LTE serving cell transmission data, using subcarrier spacing used in LTE serving cell transmission data as benchmark, the corresponding equivalent power margin value of the NR serving cell is calculated；The first power margin information is generated based on the corresponding equivalent power margin value of the NR serving cell being calculated, and by reporting moment corresponding subframe that the first power margin information generated is reported to LTE base station.Using above scheme, the degree of coupling of LTE and NR system how can be reduced in reporting power margin for configuring the UE of dual link.
Description
Technical field
The present embodiments relate to fields of communication technology, and in particular to a kind of report method of power margin information, user
Terminal and computer readable storage medium.
Background technique
Dual link (Dual is introduced in 12 agreement of long term evolution (Long Term Evolution, LTE) Release
Connectivity) technology, to allow user terminal (User Equipment, UE) that two LTE base stations can be utilized simultaneously
Resource carries out data transmission, and data throughput thus not only can be improved, additionally it is possible to improve travelling performance.
For configuring the UE of dual link, the master base station (Master eNB, MeNB) of connection is responsible for wireless heterogeneous networks
The transmission of (Radio Resource Control, RRC) signaling, prothetic group station (Secondary eNB, SeNB) are responsible for secondary cell group
The configuration of (Secondary Cell Group, SCG).SeNB only transmits data, and the SCG cell of SeNB configuration needs to pass through MeNB
UE is sent to by RRC signaling.MeNB and SeNB can configure multiple serving cells to UE.
With the continuous development of wireless technology, 3GPP will introduce new wireless technology (New Radio access
Technology, NR), referred to as the 5th third-generation mobile communication technology (5G) is smaller with demand and the reply of coping with more big data quantity
The demand of propagation delay time.Operator has been widely deployed LTE network, therefore, in order to make full use of existing LTE network,
NR disposes initial stage, and NR cannot dispose independently, need with LTE network close cooperation (Tight Interworking), can be used
LTE-NR doubly-linked connection technology, so that UE is carried out data transmission using LTE and NR simultaneously.
For being configured with the UE of LTE-NR dual link, usual UE can be reported to base station more than the power on each serving cell
Amount, so that base station executes scheduling according to power headroom and other parameters information.If continued to use in current LTE more than dual link power
Amount (Power headroom, PHR) reports mechanism, and for being configured with the UE of LTE-NR dual link, LTE base station is it should be understood that UE
For the calculation criterion of the power headroom of NR serving cell, the same base station NR is it should be understood that UE is directed to the power of LTE serving cell
The calculation criterion of surplus, the degree of coupling that this scheme will lead to LTE and NR system is very high, is unfavorable for independently drilling for LTE and NR
Into.
Summary of the invention
The embodiment of the present invention will solve the problems, such as: how the UE for configuring dual link drops in reporting power margin
The degree of coupling of low LTE and NR system.
To solve the above problems, the embodiment of the invention provides a kind of report method of power margin information, the method
It include: when reporting the power margin information of NR serving cell to LTE base station, if NR serving cell current transmission data institute
The subcarrier spacing used is different from subcarrier spacing used in LTE serving cell transmission data, with LTE serving cell transmission
Subcarrier spacing used in data calculates the corresponding equivalent power margin value of the NR serving cell as benchmark；Based on
The corresponding equivalent power margin value of the obtained NR serving cell generates the first power margin information, and by reporting the moment
First power margin information generated is reported to LTE base station by corresponding subframe.
Optionally, it is described when the calculating is using subcarrier spacing used in LTE serving cell transmission data as benchmark
The corresponding equivalent power margin value of NR serving cell, comprising: use between subcarrier used in LTE serving cell transmission data
Every as benchmark, calculation formula of the NR serving cell according to the equivalent power margin value of predetermined power surplus type is obtained
The equivalent power margin value of predetermined power surplus type described in the NR serving cell.
Optionally, it is described when the calculating is using subcarrier spacing used in LTE serving cell transmission data as benchmark
The corresponding equivalent power margin value of NR serving cell, comprising: with the load of son used in the NR serving cell current transmission data
Wave spacing is as benchmark, based on current status information, calculates the of the NR service according to cell predetermined power surplus type
One power headroom value；Using subcarrier spacing used in LTE serving cell transmission data as benchmark, more than the predetermined power
Measure type the first power headroom value carry out equivalency transform, obtain predetermined power surplus type described in the NR serving cell etc.
Imitate power headroom value.
Optionally, the NR serving cell is two or more.
Optionally, the first power headroom value of the predetermined power surplus type is to preset described in each NR serving cell
The mean value of first power headroom value of power headroom type.
Optionally, equivalent power margin value of the NR serving cell according to predetermined power surplus type are as follows: to each described
NR serving cell carries out the equal of the power headroom value after equivalency transform according to the first power headroom value of predetermined power surplus type
Value.
Optionally, the current status information, comprising: when current served beams information and current transmission upstream data
Shape information.
Optionally, described using subcarrier spacing used in LTE serving cell transmission data as benchmark, to described first
Power headroom value carries out equivalency transform, comprising: using subcarrier spacing used in LTE serving cell transmission data as benchmark,
Equivalency transform is carried out to the first power headroom value.
Optionally, the predetermined power surplus type comprises at least one of the following: reporting and corresponds to subframe constantly and only transmit
Power headroom value when PUSCH；Report power headroom value when corresponding to subframe simultaneous transmission PUSCH and PUCCH constantly.
Optionally, described that first function is generated based on the corresponding equivalent power margin value of the NR serving cell being calculated
Rate balance information, comprising: the corresponding power headroom grade of the equivalent power margin value is determined based on LTE；Based on identified
Power headroom grade generates the first power margin information of the generation.
Optionally, first power margin information further include: equivalency transform indicates information, is suitable to indicate that more than the power
The power headroom value for including in amount information obtains after equivalency transform.
Optionally, when reporting the power margin information of LTE serving cell to the base station NR, further includes: using with to LTE base
Station reports the identical calculation method of power headroom value of LTE serving cell, calculates the LTE serving cell predetermined power surplus class
The power headroom value of type；Power headroom value based on the LTE serving cell predetermined power surplus type obtains more than the second power
Information is measured, and second power margin information is reported into the base station NR.
Optionally, the predetermined power surplus type are as follows: report the power headroom corresponded to when subframe only transmits PUSCH constantly
Value.
Optionally, the power headroom value based on the LTE serving cell predetermined power surplus type obtains the second function
Rate balance information, comprising: determine that the power headroom value institute of the LTE serving cell predetermined power surplus type is right based on NR agreement
The power headroom grade answered；Second power margin information is generated based on identified power headroom grade.
The embodiment of the invention also provides a kind of user terminal, the user terminal includes: the first computing unit, suitable for working as
When reporting the power margin information of NR serving cell to LTE base station, if used in the NR serving cell current transmission data
Subcarrier spacing is different from subcarrier spacing used in LTE serving cell transmission data, with LTE serving cell transmission data institute
The subcarrier spacing used calculates the corresponding equivalent power margin value of the NR serving cell as benchmark；First reporting unit,
Suitable for generating the first power margin information based on the corresponding equivalent power margin value of the NR serving cell being calculated, and lead to
It crosses and reports moment corresponding subframe that the first power margin information generated is reported to LTE base station.
Optionally, first computing unit includes: the first computation subunit, is suitable for using with LTE serving cell transmission
Subcarrier spacing used in data as benchmark, the NR serving cell according to predetermined power surplus type equivalent power more than
The calculation formula of magnitude obtains the equivalent power margin value of predetermined power surplus type described in the NR serving cell.
Optionally, first computing unit includes: the second computation subunit, is suitable for working as forward pass with the NR serving cell
Subcarrier spacing used in transmission of data calculates the NR serving cell according to pre- based on current status information as benchmark
If the first power headroom value of power headroom type；First equivalency transform subelement is suitable for LTE serving cell transmission data institute
The subcarrier spacing used carries out equivalency transform as benchmark, to the first power headroom value of the predetermined power surplus type,
Obtain the equivalent power margin value of predetermined power surplus type described in the NR serving cell.
Optionally, the NR serving cell is two or more.
Optionally, the first power headroom value that second computation subunit is calculated is each NR serving cell institute
State the mean value of the first power headroom value of predetermined power surplus type.
Optionally, the equivalent power margin value that the first equivalency transform subelement obtains is to each NR serving cell
The first power headroom value according to predetermined power surplus type carries out the mean value of the power headroom value after equivalency transform.
Optionally, the current status information, comprising: when current served beams information and current transmission upstream data
Shape information.
Optionally, the first equivalency transform subelement is suitable for subcarrier used in LTE serving cell transmission data
Interval is used as benchmark, carries out equivalency transform to the first power headroom value.
Optionally, the predetermined power surplus type comprises at least one of the following: reporting and corresponds to subframe constantly and only transmit
Power headroom value when PUSCH；Report power headroom value when corresponding to subframe simultaneous transmission PUSCH and PUCCH constantly.
Optionally, first reporting unit, suitable for being determined more than the corresponding power of the equivalent power margin value based on LTE
Grade is measured, and the first power margin information of the generation is generated based on identified power headroom grade.
Optionally, first power margin information further include: equivalency transform indicates information, is suitable to indicate that more than the power
The power headroom value for including in amount information obtains after equivalency transform.
Optionally, the user terminal further include: the second computing unit, suitable for reporting LTE to service using with to LTE base station
The identical calculation method of power headroom value of cell calculates the power headroom of the LTE serving cell predetermined power surplus type
Value；Second reporting unit obtains the second function suitable for the power headroom value based on the LTE serving cell predetermined power surplus type
Rate balance information, and second power margin information is reported into the base station NR.
Optionally, the predetermined power surplus type are as follows: report the power headroom corresponded to when subframe only transmits PUSCH constantly
Value.
Optionally, second reporting unit, suitable for determining the LTE serving cell predetermined power surplus based on NR agreement
Power headroom grade corresponding to the power headroom value of type, and second function is generated based on identified power headroom grade
Rate balance information.
The embodiment of the invention also provides a kind of computer readable storage mediums, are stored thereon with computer instruction, described
The step of computer instruction executes any of the above-described kind of the method when running.
The embodiment of the invention also provides a kind of user terminal, including memory and processor, stored on the memory
There is the computer instruction that can be run on the processor, the processor executes above-mentioned when running the computer instruction
A kind of the step of the method.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantage that
Using the above scheme, when reporting the power margin information of NR serving cell to LTE base station, if NR service is small
Subcarrier spacing used in area's current transmission data is different from subcarrier spacing used in LTE serving cell transmission data,
Then using subcarrier spacing used in LTE serving cell transmission data as benchmark, it is corresponding etc. to calculate the NR serving cell
Power headroom value is imitated, and the first power margin information is generated based on the equivalent power margin value and reports to LTE base station, at this point,
LTE base station be not necessarily to understand UE for NR serving cell power headroom calculation criterion you can learn that more than the power of NR serving cell
Information is measured, it is possible thereby to reduce the degree of coupling of LTE and NR system.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the report method of power margin information in the embodiment of the present invention；
Fig. 2 is the flow chart of the report method of another power margin information in the embodiment of the present invention；
Fig. 3 is the flow chart of the report method of another power margin information in the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of user terminal in the embodiment of the present invention；
Fig. 5 is the structural schematic diagram of another user terminal in the embodiment of the present invention.
Specific embodiment
Currently, if mechanism is reported using dual link PHR in LTE, for being configured with the UE of LTE-NR dual link, LTE
Base station is it should be understood that UE is for the calculation criterion of the power headroom of NR serving cell, and the same base station NR is it should be understood that UE is directed to LTE
The calculation criterion of the power headroom of serving cell, the degree of coupling that thus will lead to LTE and NR system is very high, be unfavorable for LTE and
The independent evolution of NR.
In view of the above-mentioned problems, being applied to configuration the embodiment of the invention provides a kind of report method of power margin information
The UE of LTE-NR dual link, when reporting the power margin information of NR serving cell to LTE base station, if the NR serving cell
Subcarrier spacing used in current transmission data is different from subcarrier spacing used in LTE serving cell transmission data, then
Using subcarrier spacing used in LTE serving cell transmission data as benchmark, it is corresponding equivalent to calculate the NR serving cell
Power headroom value, and the first power margin information is generated based on the equivalent power margin value and reports to LTE base station, at this point, LTE
Base station be not necessarily to understand UE for NR serving cell power headroom calculation criterion you can learn that NR serving cell power headroom
Information, it is possible thereby to reduce the degree of coupling of LTE and NR system.
To make the above purposes, features and advantages of the invention more obvious and understandable, with reference to the accompanying drawing to the present invention
Specific embodiment explain in detail.
Referring to Fig.1, the embodiment of the invention provides a kind of report method of power margin information, the method may include
Following steps:
Step 11, when reporting the power margin information of NR serving cell to LTE base station, if the NR serving cell is current
It is different from subcarrier spacing used in LTE serving cell transmission data to transmit subcarrier spacing used in data, is taken with LTE
Subcarrier spacing used in cell data transmission be engaged in as benchmark, calculates the corresponding equivalent power surplus of the NR serving cell
Value.
In specific implementation, the NR serving cell of UE may there is only one, can also there is two or more.When there are two
When the above NR serving cell, one of NR serving cell can be main serving cell, and other NR serving cells can take supplemented by
Business cell.
In specific implementation, multiple subcarrier spacings can be configured for each NR serving cell, for example, for one of them
NR serving cell can configure the subcarrier spacing of 30kHz and 60kHz.It certainly, is the subcarrier spacing of NR serving cell configuration
It also may include the subcarrier spacing of 15kHz, specifically with no restriction.
In specific implementation, when reporting the power margin information of NR serving cell to LTE base station, the NR serving cell
Subcarrier spacing used in current transmission data is only one in configured subcarrier spacing.For example, when NR service is small
When the subcarrier spacing of area's configuration is 30kHz and 60kHz, between subcarrier used in the NR serving cell current transmission data
Every may be 30kHz, it is also possible to be 60kHz.
In specific implementation, LTE protocol provides, subcarrier spacing used in usual LTE serving cell transmission data is
15kHz.When the non-15kHz of the subcarrier spacing used in NR serving cell current transmission data, in order to reduce LTE and NR system
The degree of coupling, the NR serving cell can be calculated using subcarrier spacing used in LTE serving cell transmission data as benchmark
Corresponding equivalent power margin value.
In specific implementation, the corresponding equivalent power margin value of the NR serving cell can be calculated using a variety of methods,
Specifically with no restriction.
In one embodiment of this invention, use using subcarrier spacing used in LTE serving cell transmission data as
Benchmark, calculation formula of the NR serving cell according to the equivalent power margin value of predetermined power surplus type, obtains the NR
Equivalent power margin value of the serving cell according to predetermined power surplus type.That is, when existing with LTE serving cell transmission
Subcarrier spacing used in data as benchmark, the NR serving cell according to predetermined power surplus type equivalent power more than
In the case where the calculation formula of magnitude, the NR serving cell directly can be calculated according to predetermined power surplus class using the formula
The equivalent power margin value of type.The particular content of the formula can be specifically determined according to the regulation of NR agreement.
Particularly, the calculation formula of power headroom value in NR agreement can be used, the partial parameters in formula are carried using son
Wave spacing parameter corresponding when being 15KHz.Wherein, the calculation formula of power headroom value is the maximum allowable hair of place frequency
Penetrate the difference of power and the UE transimission power required for the frequency, UE transimission power required for the frequency and transfer resource it is big
Small, path loss and subcarrier spacing are related.
In specific implementation, the predetermined power surplus type can be determined based on LTE protocol.
In LTE protocol, power headroom type may include following two:
Class1 (Type1): it reports and corresponds to subframe only transmitting physical Uplink Shared Channel (Physical Uplink constantly
Shared Channel, PUSCH) when power headroom value；
Type 2 (Type2): it reports and corresponds to subframe simultaneous transmission PUSCH and physical uplink control channel constantly
Power headroom value when (Physical Uplink Control Channel, PUCCH).
For the main serving cell in NR serving cell, two kinds of power headroom types of Type1 and Type2 can be calculated simultaneously
Corresponding power headroom value can also only calculate the corresponding power headroom value of one of power headroom type.NR is serviced
Auxiliary serving cell in cell can only calculate the corresponding power headroom value of Type1.In other words, each NR serving cell meter
Obtained equivalent power margin value, can be solely one, it is also possible to and it is two, it specifically can be according to the spy of the NR serving cell
Sign determination, i.e. main serving cell, calculate two kinds of power headroom value, only calculate Type1 pairs for other NR serving cells
The power headroom value answered.
When the predetermined power surplus type is Type1, use with the load of son used in LTE serving cell transmission data
Wave spacing calculates the equivalent power of the NR serving cell as benchmark, the calculation formula of the corresponding equivalent power margin value of Type1
Margin value.
When the predetermined power surplus type is Type2, use with the load of son used in LTE serving cell transmission data
Wave spacing calculates the equivalent power of the NR serving cell as benchmark, the calculation formula of the corresponding equivalent power margin value of Type2
Margin value.
When the predetermined power surplus type is Type1 and Type2, made respectively with LTE serving cell transmission data
The subcarrier spacing used calculates the NR as benchmark, the calculation formula of Type1 and the corresponding equivalent power margin value of Type2
The corresponding equivalent power margin value of serving cell.
It in another embodiment of the invention, can be first with subcarrier used in the NR serving cell current transmission data
Interval is used as benchmark, based on current status information, calculates first of the NR serving cell according to predetermined power surplus type
Power headroom value, then using subcarrier spacing used in LTE serving cell transmission data as benchmark, more than the predetermined power
It measures type the first power headroom value and carries out equivalency transform, obtain the NR serving cell according to the equivalent of predetermined power surplus type
Power headroom value.
The current status information in specific implementation, i.e. UE is more than the power for reporting NR serving cell to LTE base station
Measure the status information at information moment, waveform when may include current served beams and current transmission upstream data and
The information such as the size of transfer resource.Certainly, the current status information also may include relevant to power headroom value other
Information will not enumerate herein.
Wherein, UE current served beams can specifically will acquire the served beams letter of path loss there may be multiple
Cease the served beams information current as UE.UE can be voluntarily known when transmitting upstream data (as believed by the scheduling of base station
Breath) shape information used by current transmission upstream data.UE current status information is to NR serving cell power headroom value
It calculates and there is certain influence.
In one embodiment of this invention, for the main serving cell in NR serving cell, can calculate simultaneously Type1 and
The corresponding first power headroom value of two kinds of power headroom types of Type2, can also only calculate one of power headroom type pair
The the first power headroom value answered.For the auxiliary serving cell in NR serving cell, corresponding first power of Type1 can be only calculated
Margin value.In other words, the first power headroom value that each NR serving cell is calculated, can be solely one, it is also possible to be
It two, can be specifically determined according to LTE protocol.
More than the equivalent power of the corresponding same power headroom type of first power headroom value of every kind of power headroom type
Magnitude.That is, being the first power headroom value of Type1 for power headroom type, power headroom is obtained after equivalency transform
Type is the equivalent power margin value of Type1.The the first power headroom value for being Type2 for power headroom type, equivalency transform
The equivalent power margin value that power headroom type is Type2 is obtained afterwards.
In another embodiment of the invention, the first power headroom value of the predetermined power surplus type can be each institute
The mean value of the first power headroom value of predetermined power surplus type described in NR serving cell is stated, i.e., by each NR serving cell institute
The mean value for stating the first power headroom value of predetermined power surplus type reports to LTE base station.
For example, when the first power headroom value that power headroom type is Type1 is calculated in each NR serving cell
When, the first power headroom value that each NR serving cell power headroom type is Type1 can be averaging, obtained mean value
As a result the first power headroom value for being Type1 as all NR serving cell power headroom types.
When the first power headroom that power headroom type is Type1 and Type2 is calculated in each NR serving cell
When value, the first power headroom value that each NR serving cell power headroom type is Type1 can be averaging, what is obtained is equal
It is worth the first power headroom value that result is Type1 as all NR serving cell power headroom types, and each NR is taken
The first power headroom value that cell power surplus type of being engaged in is Type2 is averaging, and obtained mean value result is serviced as all NR
Cell power surplus type is the first power headroom value of Type2.
In another embodiment of the present invention, more than the equivalent power of the NR serving cell foundation predetermined power surplus type
Magnitude can be with are as follows: the first power headroom value to each NR serving cell according to predetermined power surplus type carries out equivalency transform
The mean value of power headroom value afterwards.
That is, in specific implementation, each NR serving cell predetermined power surplus type can be calculated
After first power headroom value, equivalency transform is first carried out, then to the first of the same predetermined power surplus type of each NR serving cell
Result after power headroom value equivalency transform is averaging, and obtains the equivalent of the same predetermined power surplus type of all NR serving cells
Power headroom value.
By taking the predetermined power surplus type of each NR serving cell is Type1 as an example, each NR serving cell power is obtained
After surplus type is the first power headroom value of Type1, equivalency transform, then equity first are carried out to the first all power headroom values
It imitates transformation result to be averaging, obtains the equivalent power margin value that all NR serving cell power headroom types are Type1.
It in specific implementation, can be according to LTE protocol, using the corresponding subcarrier spacing of the NR serving cell as base
Standard calculates first power headroom value of the NR serving cell according to predetermined power surplus type based on current status information,
And using subcarrier spacing used in LTE serving cell transmission data as benchmark, to the predetermined power surplus type
One power headroom value carries out equivalency transform, and details are not described herein again.
Step 12, it is generated more than the first power based on the corresponding equivalent power margin value of the NR serving cell that is calculated
Information is measured, and by reporting moment corresponding subframe that the first power margin information generated is reported to LTE base station.
In one embodiment of this invention, except corresponding equivalent comprising NR serving cell in first power margin information
Outside power headroom value, information can also be indicated comprising equivalency transform.Indicate that information indicates the power by the equivalency transform
The power headroom value for including in balance information obtains after equivalency transform, to indicate UE in the son of 15kHz to LTE base station
The difference of transmission with the power headroom value when being transmitted on the subcarrier spacing of other non-15kHz is carried out on carrier wave interval.
In specific implementation, first is generated based on the corresponding equivalent power margin value of the NR serving cell being calculated
When power margin information, the corresponding power headroom grade (level) of the equivalent power margin value first can be determined based on LTE,
The first power margin information of the generation is generated based on identified power headroom grade again.
Wherein, power headroom grade indicates numerical value corresponding to the power headroom value in some section.LTE protocol regulation
The range of power headroom value corresponding to different capacity margin level, UE are utilized after calculating the actual power headroom value of acquisition
Corresponding relationship as defined in agreement determines the power headroom grade reported.For example, when the equivalent power margin value is 20.3dbm
When, UE can determine that the corresponding power headroom grade of power headroom value between 19 to 21 is 8 based on LTE protocol, therefore UE can be with
Be that " 8 " generate and first power margin information and report based on power headroom grade, that is, report 8 corresponding to binary value, without
It is to report actual 20.3, to save space interface signaling expense.
As shown in the above, in the embodiment of the present invention power margin information report method, it is current in NR serving cell
When transmitting subcarrier spacing difference used in subcarrier spacing used in data and LTE serving cell transmission data, with LTE
Subcarrier spacing used in serving cell transmission data calculates more than the corresponding equivalent power of the NR serving cell as benchmark
Magnitude, and the first power margin information is generated based on the equivalent power margin value and reports to LTE base station, it can be effectively reduced
The degree of coupling of LTE and NR system.
Fig. 2 is the report method of another power margin information provided in an embodiment of the present invention.The method may include
Following steps:
Step 21, when reporting the power margin information of NR serving cell to LTE base station, judge that the NR serving cell is worked as
Subcarrier spacing T2 used in subcarrier spacing T1 and LTE serving cell transmission data used in forward pass transmission of data whether phase
Together.
As T1 and T2 difference, step 22 is executed, it is no to then follow the steps 23.
Step 22, using subcarrier spacing used in LTE serving cell transmission data as benchmark, the NR service is calculated
The corresponding equivalent power margin value of cell.
About step 21 and 22, specifically it is referred to the above-mentioned description as described in step 11 and 12 and is implemented, herein no longer
It repeats.
Step 23, used in the NR serving cell current transmission data on the basis of subcarrier spacing T1, institute is calculated
State the power headroom value of NR serving cell.
In specific implementation, when T1 is identical as T2, subcarrier used in the NR serving cell current transmission data
It is spaced T1, that is, 15kHz, specifically can calculate the function of the NR serving cell corresponding power surplus type according to the regulation of NR agreement
Rate margin value, details are not described herein again.
Fig. 3 is the report method of another power margin information provided in an embodiment of the present invention.The method may include
Following steps:
Step 31, when reporting the power margin information of NR serving cell to LTE base station, if the NR serving cell is current
It is different from subcarrier spacing used in LTE serving cell transmission data to transmit subcarrier spacing used in data, is taken with LTE
Subcarrier spacing used in cell data transmission be engaged in as benchmark, calculates the corresponding equivalent power surplus of the NR serving cell
Value.
Step 32, it is generated more than the first power based on the corresponding equivalent power margin value of the NR serving cell that is calculated
Information is measured, and by reporting moment corresponding subframe that the first power margin information generated is reported to LTE base station.
About step 31 and 32, it is specifically referred to the above-mentioned description as described in step 11 and 12, details are not described herein again.
Step 33, it when reporting the power margin information of LTE serving cell to the base station NR, is reported using with to LTE base station
The identical calculation method of power headroom value of LTE serving cell calculates the function of the LTE serving cell predetermined power surplus type
Rate margin value.
In specific implementation, for all LTE serving cells, LTE serving cell can be reported using with to LTE base station
The identical calculation method of power headroom value, calculate the power headroom value of the LTE serving cell.
By taking predetermined power surplus type is Type1 as an example, the LTE serving cell power can be calculated according to following formula
Surplus type is the power headroom value of Type1:
PHtype1,c(i)=PCMAX,c(i)-{10log10(MPUSCH,c(i))+PO_PUSCH,c(j)+αc(j)·PLc+ΔTF,c(i)
+fc(i)}
(3)
Wherein, PHtype1,c(i) it is function that power headroom type of the UE in the subframe i of the LTE serving cell is Type1
Rate margin value；MPUSCH,cIt (i) is that (i.e. UE is on PUSCH for UE bandwidth used in the subframe i transmission PUSCH of the serving cell
Transmit the bandwidth used)；PLc is the path loss of the serving cell measured by UE；αcIt (j) is road loss compensation factor, value
Section is [0,1], and is configured by the high level of UE.j,PO_PUSCH,c(j)、ΔTF,c(i) and fc(i) it is configured by high level, it is specific to join
Number definition can refer to 3GPP TS36.213.
Step 34, the power headroom value based on the LTE serving cell predetermined power surplus type obtains more than the second power
Information is measured, and second power margin information is reported into the base station NR.
In specific implementation, the power headroom value based on the LTE serving cell predetermined power surplus type obtains second
Power margin information can first determine the power headroom value of the LTE serving cell predetermined power surplus type based on NR agreement
Corresponding power headroom grade, then second power margin information is generated based on identified power headroom grade.
It is understood that in specific implementation, second power margin information can also include other information, herein
It repeats no more.
It is understood that in specific implementation, there is no the limitations of execution sequence for step 31 and step 33.When to LTE
When base station reports the power margin information of NR serving cell, step 31 and 32 can be executed sequentially.When reporting LTE to take to the base station NR
When the power margin information for cell of being engaged in, step 33 and 34 is successively executed.
In order to more fully understand those skilled in the art and realize the present invention, below to the corresponding device of the above method and
Computer readable storage medium is described in detail.
Referring to Fig. 4, the embodiment of the invention also provides a kind of user terminal 40, the user terminal 40 may include: the
One computing unit 41 and the first reporting unit 42.Wherein:
First computing unit 41, suitable for when reporting the power margin information of NR serving cell to LTE base station, if institute
State subcarrier used in subcarrier spacing used in NR serving cell current transmission data and LTE serving cell transmission data
Interval is different, using subcarrier spacing used in LTE serving cell transmission data as benchmark, calculates the NR serving cell pair
The equivalent power margin value answered；
First reporting unit 42, suitable for based on the corresponding equivalent power surplus of the NR serving cell being calculated
Value generates the first power margin information, and by reporting moment corresponding subframe to report the first power margin information generated
To LTE base station.
In one embodiment of this invention, first computing unit 41 may include:
First computation subunit (not shown) is suitable for using between subcarrier used in LTE serving cell transmission data
Every as benchmark, calculation formula of the NR serving cell according to the equivalent power margin value of predetermined power surplus type is obtained
The equivalent power margin value of predetermined power surplus type described in the NR serving cell.
In another embodiment of the invention, first computing unit 41 may include: the second computation subunit 411 with
And the first equivalency transform subelement 412.Wherein:
Second computation subunit 411 is suitable for subcarrier used in the NR serving cell current transmission data
Interval is used as benchmark, based on current status information, calculates first of the NR serving cell according to predetermined power surplus type
Power headroom value；
The first equivalency transform subelement 412 is suitable for subcarrier spacing used in LTE serving cell transmission data
As benchmark, equivalency transform is carried out to the first power headroom value of the predetermined power surplus type, it is small to obtain the NR service
The equivalent power margin value of predetermined power surplus type described in area.
In specific implementation, the NR serving cell is two or more.
In one embodiment of this invention, the first power headroom value that second computation subunit 411 is calculated is
The mean value of first power headroom value of predetermined power surplus type described in each NR serving cell.
In another embodiment of the invention, the equivalent power margin value that the first equivalency transform subelement 412 obtains
For the power after equivalency transform is carried out according to the first power headroom value of predetermined power surplus type to each NR serving cell
The mean value of margin value.
In specific implementation, the current status information, comprising: current served beams information and current transmission uplink
Shape information when data.
In specific implementation, the first equivalency transform subelement 412, suitable for being made with LTE serving cell transmission data
The subcarrier spacing used carries out equivalency transform as benchmark, to the first power headroom value.
In specific implementation, the predetermined power surplus type may include following at least one:
Report the power headroom value corresponded to when subframe only transmits PUSCH constantly；
Report power headroom value when corresponding to subframe simultaneous transmission PUSCH and PUCCH constantly.
In specific implementation, first reporting unit 42, suitable for determining that the equivalent power margin value is corresponding based on LTE
Power headroom grade, and based on identified power headroom grade generate the first power margin information of the generation.
In specific implementation, first power margin information can also include:
Equivalency transform indicates information, is suitable to indicate that the power headroom value for including in the power margin information is through equivalent turn
It is obtained after changing.
In one embodiment of this invention, referring to Fig. 5, the user terminal 40 can also include: the second computing unit 51
And second reporting unit 52.Wherein:
Second computing unit 51, suitable for reporting the power headroom value of LTE serving cell identical using with to LTE base station
Calculation method, calculate the power headroom value of the LTE serving cell predetermined power surplus type；
Second reporting unit 52, suitable for the power headroom based on the LTE serving cell predetermined power surplus type
Value obtains the second power margin information, and second power margin information is reported to the base station NR.
In specific implementation, the predetermined power surplus type are as follows:
Report the power headroom value corresponded to when subframe only transmits PUSCH constantly.
In specific implementation, second reporting unit 52, suitable for determining that the LTE serving cell is default based on NR agreement
Power headroom grade corresponding to the power headroom value of power headroom type, and institute is generated based on identified power headroom grade
State the second power margin information.
The embodiment of the invention also provides another computer readable storage mediums, are stored thereon with computer instruction, institute
The step of executing the report method of any power margin information in above-described embodiment when stating computer instruction operation, no longer
It repeats.
In specific implementation, the computer readable storage medium may include: ROM, RAM, disk or CD etc..
The embodiment of the invention also provides a kind of user terminal, the user terminal may include memory and processor,
The computer instruction that can be run on the processor is stored on the memory, the processor runs the computer
The step of report method of any power margin information in above-described embodiment is executed when instruction, repeats no more.
Although present disclosure is as above, present invention is not limited to this.Anyone skilled in the art are not departing from this
It in the spirit and scope of invention, can make various changes or modifications, therefore protection scope of the present invention should be with claim institute
Subject to the range of restriction.
Claims (30)
1. a kind of report method of power margin information characterized by comprising
When reporting the power margin information of NR serving cell to LTE base station, if NR serving cell current transmission data institute
The subcarrier spacing used is different from subcarrier spacing used in LTE serving cell transmission data, with LTE serving cell transmission
Subcarrier spacing used in data calculates the corresponding equivalent power margin value of the NR serving cell as benchmark；
The first power margin information is generated based on the corresponding equivalent power margin value of the NR serving cell being calculated, and is led to
It crosses and reports moment corresponding subframe that the first power margin information generated is reported to LTE base station.
2. the report method of power margin information as described in claim 1, which is characterized in that the calculating is serviced small with LTE
When subcarrier spacing used in data is transmitted as benchmark in area, the corresponding equivalent power margin value of the NR serving cell is wrapped
It includes:
It uses using subcarrier spacing used in LTE serving cell transmission data as benchmark, the NR serving cell is according to pre-
If the calculation formula of the equivalent power margin value of power headroom type, predetermined power surplus class described in the NR serving cell is obtained
The equivalent power margin value of type.
3. the report method of power margin information as described in claim 1, which is characterized in that the calculating is serviced small with LTE
When subcarrier spacing used in data is transmitted as benchmark in area, the corresponding equivalent power margin value of the NR serving cell is wrapped
It includes:
Using subcarrier spacing used in the NR serving cell current transmission data as benchmark, believed based on current state
Breath calculates first power headroom value of the NR serving cell according to predetermined power surplus type；
Using subcarrier spacing used in LTE serving cell transmission data as benchmark, to the predetermined power surplus type
First power headroom value carries out equivalency transform, obtains more than the equivalent power of predetermined power surplus type described in the NR serving cell
Magnitude.
4. the report method of power margin information as claimed in claim 3, which is characterized in that the NR serving cell is two
More than.
5. the report method of power margin information as claimed in claim 4, which is characterized in that the predetermined power surplus type
The first power headroom value be each NR serving cell described in predetermined power surplus type the first power headroom value mean value.
6. the report method of power margin information as claimed in claim 4, which is characterized in that the NR serving cell is according to pre-
If the equivalent power margin value of power headroom type are as follows: to the first of each NR serving cell foundation predetermined power surplus type
Power headroom value carries out the mean value of the power headroom value after equivalency transform.
7. the report method of power margin information as claimed in claim 3, which is characterized in that the current status information,
Include:
Shape information when current served beams information and current transmission upstream data.
8. the report method of power margin information as claimed in claim 7, which is characterized in that described with LTE serving cell biography
Subcarrier spacing used in transmission of data carries out equivalency transform as benchmark, to the first power headroom value, comprising:
Using subcarrier spacing used in LTE serving cell transmission data as benchmark, the first power headroom value is carried out
Equivalency transform.
9. the report method of power margin information as claimed in claim 2 or claim 3, which is characterized in that the predetermined power surplus
Type comprises at least one of the following:
Report the power headroom value corresponded to when subframe only transmits PUSCH constantly；
Report power headroom value when corresponding to subframe simultaneous transmission PUSCH and PUCCH constantly.
10. the report method of power margin information as described in claim 1, which is characterized in that described based on being calculated
The first power margin information of the corresponding equivalent power margin value generation of NR serving cell, comprising:
The corresponding power headroom grade of the equivalent power margin value is determined based on LTE；
The first power margin information of the generation is generated based on identified power headroom grade.
11. the report method of power margin information as described in claim 1, which is characterized in that the first power headroom letter
Breath further include:
Equivalency transform indicates information, is suitable to indicate that the power headroom value for including in the power margin information is after equivalency transform
It obtains.
12. the report method of power margin information as described in claim 1, which is characterized in that when reporting LTE to take to the base station NR
When the power margin information for cell of being engaged in, further includes:
Using with the identical calculation method of power headroom value that LTE serving cell is reported to LTE base station, calculate the LTE service
The power headroom value of cell predetermined power surplus type；
Power headroom value based on the LTE serving cell predetermined power surplus type obtains the second power margin information, and will
Second power margin information reports to the base station NR.
13. the report method of power margin information as claimed in claim 12, which is characterized in that the predetermined power surplus class
Type are as follows:
Report the power headroom value corresponded to when subframe only transmits PUSCH constantly.
14. the report method of power margin information as claimed in claim 13, which is characterized in that described to be taken based on the LTE
The power headroom value of business cell predetermined power surplus type obtains the second power margin information, comprising:
Power headroom corresponding to the power headroom value of the LTE serving cell predetermined power surplus type is determined based on NR agreement
Grade；
Second power margin information is generated based on identified power headroom grade.
15. a kind of user terminal characterized by comprising
First computing unit, suitable for when reporting the power margin information of NR serving cell to LTE base station, if NR service is small
Subcarrier spacing used in area's current transmission data is different from subcarrier spacing used in LTE serving cell transmission data,
Using subcarrier spacing used in LTE serving cell transmission data as benchmark, it is corresponding equivalent to calculate the NR serving cell
Power headroom value；
First reporting unit, suitable for generating first based on the corresponding equivalent power margin value of the NR serving cell being calculated
Power margin information, and by reporting moment corresponding subframe that the first power margin information generated is reported to LTE base station.
16. user terminal as claimed in claim 15, which is characterized in that first computing unit includes:
First computation subunit is suitable for using using subcarrier spacing used in LTE serving cell transmission data as benchmark, institute
The calculation formula for stating the equivalent power margin value of NR serving cell predetermined power surplus type, obtains described in the NR serving cell
The equivalent power margin value of predetermined power surplus type.
17. user terminal as claimed in claim 15, which is characterized in that first computing unit includes:
Second computation subunit is suitable for using subcarrier spacing used in the NR serving cell current transmission data as base
Standard calculates first power headroom value of the NR serving cell according to predetermined power surplus type based on current status information；
First equivalency transform subelement is suitable for using subcarrier spacing used in LTE serving cell transmission data as benchmark, right
First power headroom value of the predetermined power surplus type carries out equivalency transform, obtains presetting function described in the NR serving cell
The equivalent power margin value of rate surplus type.
18. user terminal as claimed in claim 17, which is characterized in that the NR serving cell is two or more.
19. user terminal as claimed in claim 18, which is characterized in that second computation subunit be calculated first
Power headroom value is the mean value of the first power headroom value of predetermined power surplus type described in each NR serving cell.
20. user terminal as claimed in claim 18, which is characterized in that the first equivalency transform subelement obtains equivalent
Power headroom value is to carry out equivalent turn according to the first power headroom value of predetermined power surplus type to each NR serving cell
The mean value of power headroom value after changing.
21. user terminal as claimed in claim 17, which is characterized in that the current status information, comprising: current clothes
Shape information when business beam information and current transmission upstream data.
22. user terminal as claimed in claim 21, which is characterized in that the first equivalency transform subelement is suitable for LTE
Subcarrier spacing used in serving cell transmission data carries out equivalency transform as benchmark, to the first power headroom value.
23. the user terminal as described in claim 16 or 17, which is characterized in that the predetermined power surplus type includes following
It is at least one:
Report the power headroom value corresponded to when subframe only transmits PUSCH constantly；
Report power headroom value when corresponding to subframe simultaneous transmission PUSCH and PUCCH constantly.
24. user terminal as claimed in claim 15, which is characterized in that first reporting unit is suitable for determining based on LTE
The corresponding power headroom grade of the equivalent power margin value, and generated based on identified power headroom grade and described generate the
One power margin information.
25. user terminal as claimed in claim 15, which is characterized in that first power margin information further include:
Equivalency transform indicates information, is suitable to indicate that the power headroom value for including in the power margin information is after equivalency transform
It obtains.
26. user terminal as claimed in claim 15, which is characterized in that further include:
Second computing unit, suitable for the identical calculating side of power headroom value for using with reporting LTE serving cell to LTE base station
Method calculates the power headroom value of the LTE serving cell predetermined power surplus type；
Second reporting unit obtains second suitable for the power headroom value based on the LTE serving cell predetermined power surplus type
Power margin information, and second power margin information is reported into the base station NR.
27. user terminal as claimed in claim 26, which is characterized in that the predetermined power surplus type are as follows:
Report the power headroom value corresponded to when subframe only transmits PUSCH constantly.
28. user terminal as claimed in claim 27, which is characterized in that second reporting unit is suitable for being based on NR agreement
It determines power headroom grade corresponding to the power headroom value of the LTE serving cell predetermined power surplus type, and is based on institute
Determining power headroom grade generates second power margin information.
29. a kind of computer readable storage medium, is stored thereon with computer instruction, which is characterized in that the computer instruction
Perform claim requires the step of any one of 1 to 14 the method when operation.
30. a kind of user terminal, including memory and processor, it is stored with and can transports on the processor on the memory
Capable computer instruction, which is characterized in that perform claim requirement 1 to 14 is any when the processor runs the computer instruction
The step of item the method.
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| CN201710770587.8A CN109429321B (en) | 2017-08-31 | 2017-08-31 | Reporting method of power headroom information, user terminal and readable storage medium |
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| CN111726856A (en) * | 2019-03-21 | 2020-09-29 | 华为技术有限公司 | Power headroom report triggering method and equipment |
| CN111867090A (en) * | 2019-04-30 | 2020-10-30 | 华为技术有限公司 | Method and device for determining power headroom |
| WO2023245525A1 (en) * | 2022-06-22 | 2023-12-28 | Nokia Shanghai Bell Co., Ltd. | Method and apparatus for power headroom |
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| CN109429321B (en) | 2020-09-25 |
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