CN109474556A - The configuration of Phase Tracking reference signal determines method and device, storage medium, base station, user equipment - Google Patents
The configuration of Phase Tracking reference signal determines method and device, storage medium, base station, user equipment Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
- H04L27/2613—Structure of the reference signals
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Abstract
A kind of configuration of Phase Tracking reference signal determines method and device, storage medium, base station, user equipment, and the configuration method of Phase Tracking reference signal includes: for the frequency domain density of the corresponding Phase Tracking reference signal of user device configuration various bandwidth；For the preset maximum sub-carrier number of the user device configuration, the maximum sub-carrier number is suitable at least one frequency domain density, for determining the insertion position of Phase Tracking reference signal.The performance of PT-RS is promoted while technical solution can save transfer resource through the invention.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of configuration of Phase Tracking reference signal, determine method and
Device, storage medium, base station, user equipment.
Background technique
Phase Tracking reference signal (Phase-tracking Reference Signal, PT-RS) is new wireless (New
Radio, NR) reference symbol that is recently introduced of technology, for fighting under high-frequency communication since the unstable bring phase of clock is made an uproar
Sound.Since phase noise is equivalent to time domain multiplying property channel, in orthogonal frequency division multiplexing (Orthogonal Frequency
Division Multiplexing, OFDM) be mainly reflected on symbol common phase error (Common phase error,
CPE), can be estimated out by PT-RS.Since CPE does not have frequency selectivity, an OFDM symbol only needs to be inserted into one in principle
A PT-RS；It is but usually noisy due to receiving signal, it is therefore desirable to certain amount is inserted into an OFDM symbol
Reception signal on these PT-RS subcarriers is averaged to reduce the estimation of the CPE due to caused by noise by PT-RS subcarrier
Error.
In the prior art, the 5th third-generation mobile communication technology (5th-Generation, 5G) supports the PT-RS of frequency domain distribution formula
It is inserted into pattern, defines the frequency domain density of PT-RS thus, frequency domain density is PT-RS sub-carrier number divided by resource block in bandwidth
(Resource Block, RB) number.A kind of frequency domain density meter such as 1 institute of table of characterization bandwidth and the corresponding relationship of frequency domain density
Show, different scheduling bandwidths corresponds to different frequency domain density.
| Bandwidth | Frequency domain density |
| NRB<3 | 0 |
| 3≤NRB<8 | 1 |
| 8≤NRB<12 | 1/2 |
| 12≤NRB<16 | 1/3 |
| 16≤NRB | 1/4 |
Table 1
But the problem of prior art frequency domain density meter, is, at critical bandwidth there are PT-RS sub-carrier number with
The problem of bandwidth increases and reduces.For example, bandwidth NRBWhen=7, frequency domain density is 1, and PT-RS sub-carrier number is 7 at this time；And work as band
Wide increase by one RB, bandwidth NRBAfter=8, frequency domain density is reduced to 1/2, and PT-RS sub-carrier number is 4 instead at this time.That is,
Under critical bandwidth, the more PT-RS sub-carrier numbers of the wide correspondence of smaller strip cause the wasting of resources or large bandwidth to correspond to less PT-
RS sub-carrier number leads to performance loss.
Summary of the invention
Present invention solves the technical problem that being the performance for promoting PT-RS while how saving transfer resource.
In order to solve the above technical problems, the embodiment of the present invention provides a kind of configuration method of Phase Tracking reference signal, phase
The configuration method of position track reference signal includes: for the frequency of the corresponding Phase Tracking reference signal of user device configuration various bandwidth
Domain density；For the preset maximum sub-carrier number of the user device configuration, the maximum sub-carrier number is suitable at least one frequency
Domain density, for determining the insertion position of Phase Tracking reference signal.
Optionally, described for the preset maximum sub-carrier number of the user device configuration includes: to match for the user equipment
The maximum sub-carrier number corresponding to current frequency domain density is set, the maximum sub-carrier number is under the current frequency domain density
The minimum value of one adjacent frequency domain density neutron carrier number.
Optionally, the maximum sub-carrier number is suitable for all frequency densities.
Optionally, the maximum sub-carrier number is suitable for all frequency domain density in addition to minimum non-zero density.
Optionally, the maximum sub-carrier number is suitable for specified frequency domain density.
Optionally, the configuration method of the Phase Tracking reference signal further include: uncomfortable for the maximum sub-carrier number
Frequency domain density determines the Phase Tracking ginseng according to the scheduling bandwidth of the user equipment and its corresponding frequency domain density
Examine insertion position of the signal in the scheduling bandwidth.
Optionally, the scheduling bandwidth of the user equipment includes multiple scheduling RB, and the Phase Tracking reference signal is in institute
State the insertion position in scheduling bandwidth are as follows:
Wherein, n0 is default bias amount, and 1/n is institute
State the corresponding frequency domain density of scheduling bandwidth, NRBThe quantity for the scheduling RB that scheduling bandwidth for the user equipment includes, 0,
1,…,NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
Optionally, the configuration method of the Phase Tracking reference signal further include: be applicable in for the maximum sub-carrier number
Frequency domain density, according to the scheduling bandwidth of the user equipment and its corresponding frequency domain density and the maximum sub-carrier number, really
Fixed insertion position of the Phase Tracking reference signal in the scheduling bandwidth.
Optionally, the scheduling bandwidth of the user equipment includes multiple scheduling RB, and the Phase Tracking reference signal is in institute
State the insertion position in scheduling bandwidth are as follows:
Wherein, n0 is default bias
Amount, 1/n are the corresponding frequency domain density of the scheduling bandwidth, and M is the maximum sub-carrier number, NRBFor the scheduling of the user equipment
The quantity for the scheduling RB that bandwidth includes, { 0,1 ..., NRBIt -1 } is respectively rope of the multiple scheduling RB in the scheduling bandwidth
Draw.
Optionally, the default bias amount is preset value 0, or by associated with the Phase Tracking reference signal
Demodulated reference signal port determines.
Optionally, the maximum sub-carrier number is 4.
The embodiment of the invention also discloses a kind of determination method of Phase Tracking reference signal, Phase Tracking reference signal
The method of determination includes: to receive the frequency domain density of the corresponding Phase Tracking reference signal of various bandwidth of base station configuration；Described in reception
The preset maximum sub-carrier number of base station configuration, the maximum sub-carrier number is suitable at least one frequency domain density, for true
The insertion position of phase bit track reference signal.
Optionally, the preset maximum sub-carrier number for receiving the base station configuration includes: to receive the base station configuration
The maximum sub-carrier number for corresponding to current frequency domain density, the maximum sub-carrier number is under the current frequency domain density
The minimum value of one adjacent frequency domain density neutron carrier number.
Optionally, the maximum sub-carrier number is suitable for all frequency densities.
Optionally, the maximum sub-carrier number is suitable for all frequency domain density in addition to minimum non-zero density.
Optionally, the maximum sub-carrier number is suitable for specified frequency domain density.
Optionally, the determination method of the Phase Tracking reference signal further include: uncomfortable for the maximum sub-carrier number
Frequency domain density determines the Phase Tracking reference signal in the tune according to scheduling bandwidth and its corresponding frequency domain density
The insertion position in bandwidth is spent, for obtaining the Phase Tracking reference signal.
Optionally, the scheduling bandwidth includes multiple scheduling RB, and the Phase Tracking reference signal is in the scheduling bandwidth
In insertion position are as follows:
Wherein, n0 is default bias amount, and 1/n is institute
State the corresponding frequency domain density of scheduling bandwidth, NRBFor the quantity for the scheduling RB that the scheduling bandwidth includes, { 0,1 ..., NRB- 1 } divide
It Wei not index of the multiple scheduling RB in the scheduling bandwidth.
Optionally, the determination method of the Phase Tracking reference signal further include: be applicable in for the maximum sub-carrier number
Frequency domain density the Phase Tracking is determined according to scheduling bandwidth and its corresponding frequency domain density and the maximum sub-carrier number
Insertion position of the reference signal in the scheduling bandwidth, for obtaining the Phase Tracking reference signal.
Optionally, the scheduling bandwidth includes multiple scheduling RB, and the Phase Tracking reference signal is in the scheduling bandwidth
In insertion position are as follows:
Wherein, n0 is default bias
Amount, 1/n are the corresponding frequency domain density of the scheduling bandwidth, and M is the maximum sub-carrier number, NRBFor the scheduling of the user equipment
The quantity for the scheduling RB that bandwidth includes, { 0,1 ..., NRBIt -1 } is respectively rope of the multiple scheduling RB in the scheduling bandwidth
Draw.
Optionally, the default bias amount is preset value 0, or by associated with the Phase Tracking reference signal
Demodulated reference signal port determines.
Optionally, the maximum sub-carrier number is 4.
The embodiment of the invention also discloses a kind of configuration device of Phase Tracking reference signal, Phase Tracking reference signal
Configuration device includes: frequency domain Density and distribution module, is suitable for the corresponding Phase Tracking of user device configuration various bandwidth with reference to letter
Number frequency domain density；Maximum sub-carrier number configuration module is suitable for the preset maximum sub-carrier number of the user device configuration, institute
It states maximum sub-carrier number and is suitable at least one frequency domain density, for determining the insertion position of Phase Tracking reference signal.
The embodiment of the invention also discloses a kind of determining device of Phase Tracking reference signal, Phase Tracking reference signal
Determining device includes: frequency domain density receiving module, suitable for receiving the corresponding Phase Tracking of various bandwidth of base station configuration with reference to letter
Number frequency domain density；Maximum sub-carrier number receiving module, suitable for receiving the preset maximum sub-carrier number of the base station configuration, institute
It states maximum sub-carrier number and is suitable at least one frequency domain density, for determining the insertion position of Phase Tracking reference signal.
The embodiment of the invention also discloses a kind of storage mediums, are stored thereon with computer instruction, the computer instruction
The determination of the step of configuration method of the Phase Tracking reference signal is executed when operation or the Phase Tracking reference signal
The step of method.
The embodiment of the invention also discloses a kind of base station, including memory and processor, being stored on the memory can
The computer instruction run on the processor, the processor execute the Phase Tracking when running the computer instruction
The step of configuration method of reference signal.
The embodiment of the invention also discloses a kind of user equipment, including memory and processor, stored on the memory
There is the computer instruction that can be run on the processor, the processor executes the phase when running the computer instruction
The step of determination method of track reference signal.
Compared with prior art, the technical solution of the embodiment of the present invention has the advantages that
In technical solution of the present invention, base station is the frequency of the corresponding Phase Tracking reference signal of user device configuration various bandwidth
Domain density；Base station is the preset maximum sub-carrier number of the user device configuration, and the maximum sub-carrier number is suitable at least one
Kind frequency domain density, for determining the insertion position of Phase Tracking reference signal.Technical solution of the present invention is user by base station
Device configuration is suitable for the maximum sub-carrier number of at least one frequency domain density, can limit subcarrier under at least one frequency domain density
Several upper limit, to avoid the occurrence of the problem of PT-RS sub-carrier number is reduced as bandwidth increases, in turn at critical bandwidth
The performance of PT-RS is promoted while saving transfer resource.
Further, base station is the maximum sub-carrier number that the user device configuration corresponds to current frequency domain density, institute
State the minimum value for next adjacent frequency domain density neutron carrier number that maximum sub-carrier number is the current frequency domain density.The present invention
In technical solution, by determining that the specific value of maximum sub-carrier number is in next adjacent frequency domain density of current frequency domain density
The minimum value of sub-carrier number can further avoid PT-RS sub-carrier number at critical bandwidth and reduce as bandwidth increases, into one
Step promotes the performance of PT-RS.
Further, the maximum sub-carrier number is suitable for all frequency densities；Or, the maximum sub-carrier number is suitable for
All frequency domain density in addition to minimum non-zero density；Or, the maximum sub-carrier number is suitable for specified frequency domain density.This hair
Maximum sub-carrier number in bright technical solution can be adapted for several scenes, and the configuration for realizing Phase Tracking reference signal is flexible
Property.
Detailed description of the invention
Fig. 1 is a kind of flow chart of the configuration method of Phase Tracking reference signal of the embodiment of the present invention；
Fig. 2 is a kind of flow chart of the determination method of Phase Tracking reference signal of the embodiment of the present invention；
Fig. 3 is a kind of structural schematic diagram of the configuration device of Phase Tracking reference signal of the embodiment of the present invention；
Fig. 4 is a kind of structural schematic diagram of the determining device of Phase Tracking reference signal of the embodiment of the present invention.
Specific embodiment
As described in the background art, the problem of prior art frequency domain density meter, is that there are PT-RS at critical bandwidth
The problem of sub-carrier number is reduced as bandwidth increases.For example, bandwidth NRBWhen=7, frequency domain density is 1, at this time PT-RS subcarrier
Number is 7；And when bandwidth increases a RB, bandwidth NRBAfter=8, frequency domain density is reduced to 1/2, and PT-RS sub-carrier number is instead at this time
It is 4.That is, the more PT-RS sub-carrier numbers of the wide correspondence of smaller strip lead to the wasting of resources or larger band under critical bandwidth
The corresponding less PT-RS sub-carrier number of width leads to performance loss.
Technical solution of the present invention is carried by maximum that base station is suitable at least one frequency domain density for user device configuration
Wave number, can limit the upper limit of sub-carrier number under at least one frequency domain density, to avoid the occurrence of PT-RS at critical bandwidth
Sub-carrier number with bandwidth increase and the problem of reduce, and then while saving transfer resource promotion PT-RS performance.
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 be described in detail.
Fig. 1 is a kind of flow chart of the configuration method of Phase Tracking reference signal of the embodiment of the present invention.
The configuration method of Phase Tracking reference signal shown in Fig. 1 can be used for base station side, and Phase Tracking reference signal is matched
The method of setting may comprise steps of:
Step S101: for the frequency domain density of the corresponding Phase Tracking reference signal of user device configuration various bandwidth；
Step S102: for the preset maximum sub-carrier number of the user device configuration, the maximum sub-carrier number is suitable for
At least one frequency domain density, for determining the insertion position of Phase Tracking reference signal.
In the specific implementation of step S101, base station can configure a variety of for user equipment (User Equipment, UE)
The correspondence of bandwidth and the frequency domain density of Phase Tracking reference signal (Phase-tracking Reference Signal, PT-RS)
Relationship, specifically, can be the corresponding relationship of bandwidth range and the frequency domain density of PT-RS.Specifically it can refer to one shown in table 1
Kind frequency domain density meter.
In a particular application, the corresponding relationship of bandwidth and the frequency domain density of PT-RS can be adapted in frequency domain density meter
Property change and modification.Specifically, base station can change configuration critical bandwidth.Wherein, critical bandwidth refers to adjacent two kinds of bandwidth
Adjacent bandwidths in range.For example, in 3≤N of bandwidth rangeRB< 8 and 8≤N of bandwidth rangeRBIn < 12, bandwidth 7 and bandwidth 8 are
Critical bandwidth；In 8≤N of bandwidth rangeRB< 12 and 12≤N of bandwidth rangeRBIn < 16, bandwidth 11 and bandwidth 12 are critical bandwidth.
Change is as shown in table 2 with a kind of frequency domain density meter postponed.
| Bandwidth | Frequency domain density |
| NRB<3 | 0 |
| 3≤NRB<8 | 1 |
| 8≤NRB<13 | 1/2 |
| 13≤NRB<16 | 1/3 |
| 16≤NRB | 1/4 |
Table 2
As shown in table 2, the frequency domain density of critical bandwidth 12 can be changed to 1/2 by original 1/3 by base station.
Change is as shown in table 3 with another frequency domain density meter postponed.
| Bandwidth | Frequency domain density |
| NRB<3 | 0 |
| 3≤NRB<8 | 1 |
| 8≤NRB<16 | 1/2 |
| 16≤NRB | 1/4 |
Table 3
As shown in table 3, base station can only configure 4 kinds of frequency domain density (namely 0,1,1/2 and 1/4) and its corresponding bandwidth.
In the specific implementation of step S102, base station can also be the preset maximum sub-carrier number of user device configuration, with
For determining the insertion position of Phase Tracking reference signal, namely the frequency domain pattern of determining PT-RS.Specifically, Phase Tracking
The insertion position of reference signal can be the frequency domain position of resource block (Resource Block, RB).
In specific implementation, maximum sub-carrier number can be adapted at least one frequency domain density.Preset maximum sub-carrier number
It can be preset numerical value, be also possible to the numerical value calculated by any other enforceable mode.Furthermore, base station can
To configure the preset maximum subcarrier by wireless heterogeneous networks (Radio Resource Control, RRC) signaling
Number.In other words, preset maximum sub-carrier number can be carried in RRC signaling and be sent to UE by base station.
The embodiment of the present invention passes through the maximum subcarrier that base station is that user device configuration is suitable at least one frequency domain density
Number, can limit the upper limit of sub-carrier number under at least one frequency domain density, to avoid the occurrence of PT-RS at critical bandwidth
Carrier number with bandwidth increase and the problem of reduce, and then while saving transfer resource promotion PT-RS performance.
Preferably, the maximum sub-carrier number is 4.Specifically, the sub-carrier number of PT-RS is excessive, resource will lead to
Waste；The sub-carrier number of PT-RS is too small, also will affect the estimated accuracy of PT-RS.It is 4 by configuring maximum sub-carrier number, it can be with
Guarantee under at least one frequency domain density, while being economized on resources by the limitation of the sub-carrier number to PT-RS to realize, guarantees
The estimated accuracy of PT-RS.
Preferably, step S102 may comprise steps of: correspond to current frequency domain density for the user device configuration
The maximum sub-carrier number, the maximum sub-carrier number is next adjacent frequency domain density neutron of the current frequency domain density
The minimum value of carrier number.
In the present embodiment, base station can maximum sub-carrier number corresponding to current frequency domain density separate configurations.Current frequency domain
The method of determination of the corresponding maximum sub-carrier number of density are as follows: next adjacent frequency domain density neutron of the current frequency domain density carries
The minimum value of wave number.
For the frequency domain density meter shown in the table 1, for current frequency domain density 1, configuring its corresponding maximum sub-carrier number is
4, that is, the minimum value 8/2=4 of 1/2 sub-carriers number of frequency domain density.Critical bandwidth N as a result,RBFor the subcarrier of 7 PT-RS
Number is 4, critical bandwidth NRBSub-carrier number for 8 PT-RS is 4, so as to avoid there is PT-RS sub-carrier number as bandwidth increases
The problem of adding and reducing.
Similarly, for current frequency domain density 1/2, configuring its corresponding maximum sub-carrier number is 4, that is, frequency domain density 1/
The minimum value 12/3=4 of 3 sub-carriers numbers.Critical bandwidth N as a result,RBSub-carrier number for 11 PT-RS is 4, critical bandwidth
NRBSub-carrier number for 12 PT-RS is 4, so as to avoid occur PT-RS sub-carrier number with bandwidth increase and reduce ask
Topic.
In one change case of the embodiment of the present invention, base station can distinguish frequency domain density each in all frequency domain density only
It is vertical to configure corresponding maximum sub-carrier number.
Preferably, the maximum sub-carrier number is suitable for all frequency densities.It is close in all frequency domains in the present embodiment
Under degree, there is the limitation of maximum sub-carrier number.That is, for all bandwidth and its corresponding frequency domain density, all bands
The PT-RS sub-carrier number that width includes is up to the maximum sub-carrier number.In other words, the corresponding maximum son of all frequency densities
Carrier number can be identical.
Alternatively, the maximum sub-carrier number is suitable for all frequency domain density in addition to minimum non-zero density.The present embodiment
In, the corresponding bandwidth of minimum non-zero density is usually big bandwidth, such as shown in table 1, the corresponding bandwidth model of minimum non-zero density 1/4
It encloses for NRB>=16, bandwidth may be 50,100 or bigger.In this case, if it is corresponding to minimum non-zero density most
Big sub-carrier number is limited, and will lead to the reduced performance of PT-RS.Therefore maximum sub-carrier number described in the present embodiment can be right
All frequency domain density in addition to minimum non-zero density carry out the limitation of sub-carrier number, to guarantee the performance of PT-RS.
Alternatively, the maximum sub-carrier number is suitable for specified frequency domain density.In the present embodiment, the maximum sub-carrier number
The limitation of sub-carrier number can be only carried out to specified frequency domain density.It, can for the frequency domain density except specified frequency domain density
Not configure maximum sub-carrier number, maximum sub-carrier number can also be separately configured again.To realize the spirit of the configuration to PT-RS
Activity.
Maximum sub-carrier number in the embodiment of the present invention can be adapted for several scenes, realize Phase Tracking reference signal
Configuration flexibility.
Preferably, the configuration method of Phase Tracking reference signal shown in FIG. 1 can be the following steps are included: for described
The not applicable frequency domain density of maximum sub-carrier number, according to the scheduling bandwidth of the user equipment and its corresponding frequency domain density, really
Fixed insertion position of the Phase Tracking reference signal in the scheduling bandwidth.
In the present embodiment, for except at least one frequency domain density frequency domain density namely the maximum subcarrier
The not applicable frequency domain density of number, can scheduling bandwidth according to user equipment and its corresponding frequency domain density, determine the phase
Insertion position of the track reference signal in the scheduling bandwidth.
Further, the scheduling bandwidth of the user equipment may include multiple RB, the Phase Tracking reference determined
Insertion position of the signal in the scheduling bandwidth isIts
In, n0For default bias amount, 1/n is the corresponding frequency domain density of the scheduling bandwidth, NRBFor the scheduling bandwidth of the user equipment
The quantity for the scheduling RB for including, { 0,1 ..., NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
For example, the primary index collection for the scheduling RB that the scheduling broadband of the user equipment includes be combined into 10,11,12,13,
16,17,20,21,22,23,24,25,26,27,28,29,30,31 }, the quantity N of RB is dispatchedRBIt is 18, then the multiple scheduling
Index of the RB in the scheduling bandwidth is { 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17 }.
Specifically, insertion position of the PT-RS in the scheduling bandwidth is the set of RB.The set of RBIn, subscript n0、n0+n、…、
It can indicate index of the RB in the scheduling bandwidth.And then determine that PT-RS is inserted in scheduling bandwidth according to the primary index of RB
The specific frequency domain position of the RB entered.
Further, the default bias amount is preset value 0.
For example, in an embodiment of the present invention, the maximum sub-carrier number is suitable for the institute in addition to minimum non-zero density
There is frequency domain density, maximum sub-carrier number is 4.The scheduling broadband of user equipment include RB primary index collection be combined into 10,11,12,
13,16,17,20,21,22,23,24,25,26,27,28,29,30,31}.Dispatch broadband includes 18 RB altogether, by inquiring base
The frequency domain density in scheduling broadband known to the frequency domain density meter of configuration of standing is 1/4.Since 1/4 is minimum non-zero density, maximum son is carried
Wave is 4 not applicable.Utilize subscript calculation formulaIt can determine the termination of the set of RB
Index isThen the collection of RB is combined into { RB0,RB4,RB8,RB12,RB16}.Therefore RB is combined
Primary index set, can determine insertion position of the PT-RS in the scheduling bandwidth be RB primary index collection be combined into 10,
16,22,26,30}。
Preferably, the configuration method of Phase Tracking reference signal shown in FIG. 1 can be the following steps are included: for described
The applicable frequency domain density of maximum sub-carrier number, according to the scheduling bandwidth of the user equipment and its corresponding frequency domain density and described
Maximum sub-carrier number determines insertion position of the Phase Tracking reference signal in the scheduling bandwidth.
It, can be according to the user equipment for being applicable in the frequency domain density of maximum sub-carrier number in the embodiment of the present invention
Scheduling bandwidth and its corresponding frequency domain density and the maximum sub-carrier number, determine the Phase Tracking reference signal in the tune
Spend the insertion position in bandwidth namely the frequency domain pattern of PT-RS.
Further, the scheduling bandwidth of the user equipment includes multiple scheduling RB, and the Phase Tracking reference signal exists
Insertion position in the scheduling bandwidth are as follows:
Wherein, n0For default bias
Amount, 1/n are the corresponding frequency domain density of the scheduling bandwidth, and M is the maximum sub-carrier number, NRBFor the scheduling of the user equipment
The quantity for the scheduling RB that bandwidth includes, { 0,1 ..., NRBIt -1 } is respectively rope of the multiple scheduling RB in the scheduling bandwidth
Draw.
Specifically, insertion position of the PT-RS in the scheduling bandwidth is the set of RB.The set of RBIn, subscript n0、n0+n、…、It can indicate index of the RB in the scheduling bandwidth.Into
And the specific frequency domain position of RB that PT-RS is inserted into scheduling bandwidth is determined according to the primary index of RB.
For example, base station configures PT-RS under different frequency domain density by RRC signaling in a specific embodiment of the invention
Maximum sub-carrier number is 4, suitable for all density values in addition to minimum non-zero density, and n0=0.The scheduling of user equipment is wide
Band is combined into { 10,11,12,13,16,17,20,21,22,23 } comprising the primary index collection of RB, and scheduling broadband includes 10 RB altogether.
Frequency domain density by scheduling broadband known to the frequency domain density meter of inquiry base station configuration is 1/2.Utilize subscript calculation formulaCan determine that the termination of the set of RB indexes isThen the collection of RB is combined into { RB0,RB2,RB4,RB6}.Therefore it ties
The primary index set for closing RB can determine that insertion position of the PT-RS in the scheduling bandwidth is that RB primary index collection is combined into
RB{10,12,16,20}。
Further, the default bias amount n0Demodulation associated with the Phase Tracking reference signal can also be passed through
The reference signal port (Demodulation Reference Signal, DMRS) determines.Specifically, the default bias
Measure n0It can be DMRS port number associated with PT-RS；It can also be by the scramble sequence of DMRS port associated with PT-RS
To determine.
Fig. 2 is a kind of flow chart of the determination method of Phase Tracking reference signal of the embodiment of the present invention.
The determination method of Phase Tracking reference signal shown in Fig. 2 can be used for user equipment side, the Phase Tracking reference
The determination method of signal may comprise steps of:
Step S201: the frequency domain density of the corresponding Phase Tracking reference signal of various bandwidth of base station configuration is received；
Step S202: receiving the preset maximum sub-carrier number of the base station configuration, and the maximum sub-carrier number is suitable for
At least one frequency domain density, for determining the insertion position of Phase Tracking reference signal.
In the present embodiment, user equipment is by receiving the various bandwidth of base station configuration and the frequency domain of Phase Tracking reference signal
The corresponding relationship of density, and the preset maximum sub-carrier number suitable at least one frequency domain density, it is ensured that in user
When the scheduling bandwidth of equipment is critical bandwidth, the problem of PT-RS sub-carrier number is reduced as bandwidth increases is avoided the occurrence of, in turn
The performance of PT-RS is promoted while saving transfer resource.
Preferably, step S201 may comprise steps of: receive the base station configuration corresponds to current frequency domain density
The maximum sub-carrier number, the maximum sub-carrier number is next adjacent frequency domain density neutron of the current frequency domain density
The minimum value of carrier number.
In the present embodiment, user equipment, can be in subsequent step behind the insertion position for determining Phase Tracking reference signal
In the RB being directed toward according to the frequency domain position of determining RB, demodulation obtains Phase Tracking reference signal.
In the embodiment of the present invention, by determining that the specific value of maximum sub-carrier number is next phase of current frequency domain density
The minimum value of adjacent frequency domain density neutron carrier number can further avoid at critical bandwidth PT-RS sub-carrier number as bandwidth increases
Add and reduce, further promotes the performance of PT-RS.
Further, the maximum sub-carrier number is suitable for all frequency densities；Or, the maximum sub-carrier number is suitable for
All frequency domain density in addition to minimum non-zero density；Or, the maximum sub-carrier number is suitable for specified frequency domain density.This hair
Maximum sub-carrier number in bright embodiment can be adapted for several scenes, and the configuration for realizing Phase Tracking reference signal is flexible
Property.
Preferably, the determination method of the Phase Tracking reference signal can be the following steps are included: for the maximum
The not applicable frequency domain density of sub-carrier number determines the Phase Tracking reference according to scheduling bandwidth and its corresponding frequency domain density
Insertion position of the signal in the scheduling bandwidth, for obtaining the Phase Tracking reference signal.
Further, the scheduling bandwidth of the user equipment includes multiple scheduling RB, and the Phase Tracking reference signal exists
Insertion position in the scheduling bandwidth are as follows:
Wherein, n0For default bias amount, 1/n is described
The corresponding frequency domain density of scheduling bandwidth, NRBThe quantity for the scheduling RB that scheduling bandwidth for the user equipment includes, 0,1 ...,
NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
In the present embodiment, under the not applicable frequency domain density of the maximum sub-carrier number, user equipment can basis
Its scheduling bandwidth and the corresponding frequency domain density of scheduling bandwidth, to determine the Phase Tracking reference signal in the scheduling
The position in scheduling bandwidth of insertion position namely Phase Tracking reference signal mapped RB in bandwidthUser equipment, can basis after subsequently received data
Demodulation obtains Phase Tracking reference signal in the RB that the position of determining RB is directed toward.
Preferably, the determination method of the Phase Tracking reference signal can be the following steps are included: for the maximum
The applicable frequency domain density of sub-carrier number is determined according to scheduling bandwidth and its corresponding frequency domain density and the maximum sub-carrier number
Insertion position of the Phase Tracking reference signal in the scheduling bandwidth, for obtaining the Phase Tracking with reference to letter
Number.
Further, the scheduling bandwidth of the user equipment includes multiple scheduling RB, and the Phase Tracking reference signal is in institute
State the insertion position in scheduling bandwidth are as follows:
Wherein, n0For default bias
Amount, 1/n are the corresponding frequency domain density of the scheduling bandwidth, and M is the maximum sub-carrier number, NRBFor the scheduling of the user equipment
The quantity for the scheduling RB that bandwidth includes, { 0,1 ..., NRBIt -1 } is respectively rope of the multiple scheduling RB in the scheduling bandwidth
Draw.
In the present embodiment, under the applicable frequency domain density of the maximum sub-carrier number, user equipment can be according to its scheduling
Bandwidth and the corresponding frequency domain density of scheduling bandwidth, maximum sub-carrier number, to determine the Phase Tracking reference signal in the tune
Spend the insertion position in bandwidth namely the position in scheduling bandwidth of Phase Tracking reference signal mapped RBUser equipment is in subsequently received data
Afterwards, demodulation obtains Phase Tracking reference signal in the RB that can be directed toward according to the position of determining RB.
More specific embodiments of determination method about the Phase Tracking reference signal, are referred to shown in Fig. 1
The associated description of embodiment, which is not described herein again.
Fig. 3 is a kind of structural schematic diagram of the configuration device of Phase Tracking reference signal of the embodiment of the present invention.
The configuration device 30 of Phase Tracking reference signal shown in Fig. 3 can be used for base station side, Phase Tracking reference signal
Configuration device 30 may include frequency domain Density and distribution module 301 and maximum sub-carrier number configuration module 302.
Wherein, frequency domain Density and distribution module 301 is suitable for the corresponding Phase Tracking reference of user device configuration various bandwidth
The frequency domain density of signal；Maximum sub-carrier number configuration module 302 is suitable for the preset maximum subcarrier of the user device configuration
Number, the maximum sub-carrier number is suitable at least one frequency domain density, for determining the insertion position of Phase Tracking reference signal
It sets.
The embodiment of the present invention passes through the maximum subcarrier that base station is that user device configuration is suitable at least one frequency domain density
Number, can limit the upper limit of sub-carrier number under at least one frequency domain density, to avoid the occurrence of PT-RS at critical bandwidth
Carrier number with bandwidth increase and the problem of reduce, and then while saving transfer resource promotion PT-RS performance.
Preferably, maximum sub-carrier number configuration module 302 may include configuration unit 3021, be suitable for the user equipment
Configuration corresponds to the maximum sub-carrier number of current frequency domain density, and the maximum sub-carrier number is the current frequency domain density
The minimum value of next adjacent frequency domain density neutron carrier number.
In the embodiment of the present invention, by determining that the specific value of maximum sub-carrier number is next phase of current frequency domain density
The minimum value of adjacent frequency domain density neutron carrier number can further avoid at critical bandwidth PT-RS sub-carrier number as bandwidth increases
Add and reduce, further promotes the performance of PT-RS.
Further, the maximum sub-carrier number is suitable for all frequency densities；Or, the maximum sub-carrier number is suitable for
All frequency domain density in addition to minimum non-zero density；Or, the maximum sub-carrier number is suitable for specified frequency domain density.This hair
Maximum sub-carrier number in bright technical solution can be adapted for several scenes, and the configuration for realizing Phase Tracking reference signal is flexible
Property
Preferably, the configuration device 30 of Phase Tracking reference signal can also include the first insertion position determining module 303,
First insertion position determining module 303 is suitable for the frequency domain density not applicable for the maximum sub-carrier number, according to the user
The scheduling bandwidth of equipment and its corresponding frequency domain density determine the Phase Tracking reference signal inserting in the scheduling bandwidth
Enter position.
Furthermore, the first insertion position determining module 303 can determine the Phase Tracking reference signal described
Insertion position in scheduling bandwidth are as follows:Wherein, n0It is default
Offset, 1/n are the corresponding frequency domain density of the scheduling bandwidth, NRBFor the scheduling bandwidth include scheduling RB quantity, 0,
1,…,NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
Preferably, the configuration device 30 of Phase Tracking reference signal can also include the second insertion position determining module 304,
Second insertion position determining module 304 is suitable for the frequency domain density applicable for the maximum sub-carrier number, is set according to the user
Standby scheduling bandwidth and its corresponding frequency domain density and the maximum sub-carrier number, determine the Phase Tracking reference signal in institute
State the insertion position in scheduling bandwidth.
Furthermore, the second insertion position determining module 304 can determine the Phase Tracking reference signal described
Insertion position in scheduling bandwidth are as follows:
Wherein, n0 is default bias
Amount, 1/n are the corresponding frequency domain density of the scheduling bandwidth, and M is the maximum sub-carrier number, NRBThe scheduling bandwidth includes
Dispatch the quantity of RB, { 0,1 ..., NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
Working principle, the more contents of working method of configuration device 30 about the Phase Tracking reference signal, can
With referring to figs. 1 to the associated description in Fig. 2, which is not described herein again.
Fig. 4 is a kind of structural schematic diagram of the determining device of Phase Tracking reference signal of the embodiment of the present invention.
The determining device 40 of Phase Tracking reference signal shown in Fig. 4 can be used for user equipment side, and Phase Tracking is with reference to letter
Number determining device 40 may include frequency domain density receiving module 401 and maximum sub-carrier number receiving module 402.
Wherein, frequency domain density receiving module 401 is suitable for receiving the corresponding Phase Tracking reference of various bandwidth of base station configuration
The frequency domain density of signal；Maximum sub-carrier number receiving module 402 is suitable for receiving the preset maximum subcarrier of the base station configuration
Number, the maximum sub-carrier number is suitable at least one frequency domain density, for determining the insertion position of Phase Tracking reference signal
It sets.
In the present embodiment, user equipment is by receiving the various bandwidth of base station configuration and the frequency domain of Phase Tracking reference signal
The corresponding relationship of density, and the preset maximum sub-carrier number suitable at least one frequency domain density, it is ensured that in user
When the scheduling bandwidth of equipment is critical bandwidth, the problem of PT-RS sub-carrier number is reduced as bandwidth increases is avoided the occurrence of, in turn
The performance of PT-RS is promoted while saving transfer resource.
Preferably, maximum sub-carrier number receiving module 402 may include receiving unit 4021, and receiving unit 4021 is suitable for connecing
The maximum sub-carrier number for corresponding to current frequency domain density of the base station configuration is received, the maximum sub-carrier number is described works as
The minimum value of next adjacent frequency domain density neutron carrier number of preceding frequency domain density.
Further, the maximum sub-carrier number is suitable for all frequency densities；Or, the maximum sub-carrier number is suitable for
All frequency domain density in addition to minimum non-zero density；Or, the maximum sub-carrier number is suitable for specified frequency domain density.This hair
Maximum sub-carrier number in bright technical solution can be adapted for several scenes, and the configuration for realizing Phase Tracking reference signal is flexible
Property.
Preferably, the determining device 40 of Phase Tracking reference signal can also include third insertion position determining module 403,
Third insertion position determining module 403 is suitable for the frequency domain density not applicable for the maximum sub-carrier number, according to scheduling bandwidth
And its corresponding frequency domain density, insertion position of the Phase Tracking reference signal in the scheduling bandwidth is determined, to be used for
Obtain the Phase Tracking reference signal.
Furthermore, third insertion position determining module 403 can determine the Phase Tracking reference signal described
Insertion position in scheduling bandwidth are as follows:Wherein, n0It is default
Offset, 1/n are the corresponding frequency domain density of the scheduling bandwidth, NRBFor the scheduling bandwidth include scheduling RB quantity, 0,
1,…,NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
Preferably, the determining device 40 of Phase Tracking reference signal can also include the 4th insertion position determining module 404,
4th insertion position determining module 404 is suitable for the frequency domain density applicable for the maximum sub-carrier number, according to scheduling bandwidth and
Its corresponding frequency domain density and the maximum sub-carrier number, determine the Phase Tracking reference signal in the scheduling bandwidth
Insertion position, for obtaining the Phase Tracking reference signal.
Furthermore, the 4th insertion position determining module 404 can determine the Phase Tracking reference signal described
Insertion position in scheduling bandwidth are as follows:
Wherein, n0 is default bias
Amount, 1/n are the corresponding frequency domain density of the scheduling bandwidth, and M is the maximum sub-carrier number, NRBThe scheduling bandwidth includes
Dispatch the quantity of RB, { 0,1 ..., NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
Working principle, the more contents of working method of determining device 40 about the Phase Tracking reference signal, can
With referring to figs. 1 to the associated description in Fig. 3, which is not described herein again
The embodiment of the invention also discloses a kind of storage mediums, are stored thereon with computer instruction, the computer instruction
The step of method shown in Fig. 1 or Fig. 2 can be executed when operation.The storage medium may include ROM, RAM, disk or CD
Deng.
The embodiment of the invention also discloses a kind of base station, the base station may include memory and processor, the storage
The computer instruction that can be run on the processor is stored on device.The processor can be with when running the computer instruction
The step of executing method shown in Fig. 1.
The embodiment of the invention also discloses a kind of user equipment, the user equipment 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 and refers to
The step of method shown in Fig. 2 can be executed when enabling.The user equipment includes but is not limited to mobile phone, computer, tablet computer
Equal terminal devices.
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 (47)
1. a kind of configuration method of Phase Tracking reference signal characterized by comprising
For the frequency domain density of the corresponding Phase Tracking reference signal of user device configuration various bandwidth；
For the preset maximum sub-carrier number of the user device configuration, it is close that the maximum sub-carrier number is suitable at least one frequency domain
Degree, for determining the insertion position of Phase Tracking reference signal.
2. the configuration method of Phase Tracking reference signal according to claim 1, which is characterized in that described is the user
The preset maximum sub-carrier number of device configuration includes:
Correspond to the maximum sub-carrier number of current frequency domain density for the user device configuration, the maximum sub-carrier number is
The minimum value of next adjacent frequency domain density neutron carrier number of the current frequency domain density.
3. the configuration method of Phase Tracking reference signal according to claim 1, which is characterized in that the maximum subcarrier
Number is suitable for all frequency densities.
4. the configuration method of Phase Tracking reference signal according to claim 1, which is characterized in that the maximum subcarrier
Number is suitable for all frequency domain density in addition to minimum non-zero density.
5. the configuration method of Phase Tracking reference signal according to claim 1, which is characterized in that the maximum subcarrier
Number is suitable for specified frequency domain density.
6. the configuration method of Phase Tracking reference signal according to claim 1, which is characterized in that further include:
The frequency domain density not applicable for the maximum sub-carrier number, according to the scheduling bandwidth of the user equipment and its corresponding
Frequency domain density determines insertion position of the Phase Tracking reference signal in the scheduling bandwidth.
7. the configuration method of Phase Tracking reference signal according to claim 6, which is characterized in that the user equipment
Scheduling bandwidth includes multiple scheduling RB, insertion position of the Phase Tracking reference signal in the scheduling bandwidth are as follows:
Wherein, n0For default bias amount, 1/n is the tune
Spend the corresponding frequency domain density of bandwidth, NRBThe quantity for the scheduling RB that scheduling bandwidth for the user equipment includes, 0,1 ...,
NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
8. the configuration method of Phase Tracking reference signal according to claim 1, which is characterized in that further include:
The frequency domain density applicable for the maximum sub-carrier number, according to the scheduling bandwidth of the user equipment and its corresponding frequency
Domain density and the maximum sub-carrier number, determine insertion position of the Phase Tracking reference signal in the scheduling bandwidth.
9. the configuration method of Phase Tracking reference signal according to claim 8, which is characterized in that the user equipment
Scheduling bandwidth includes multiple scheduling RB, insertion position of the Phase Tracking reference signal in the scheduling bandwidth are as follows:
Wherein, n0For default bias amount, 1/
N is the corresponding frequency domain density of the scheduling bandwidth, and M is the maximum sub-carrier number, NRBFor the scheduling bandwidth of the user equipment
The quantity for the scheduling RB for including, { 0,1 ..., NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
10. the configuration method of Phase Tracking reference signal according to claim 7 or 9, which is characterized in that described default inclined
Shifting amount is preset value 0, or is determined by demodulated reference signal port associated with the Phase Tracking reference signal.
11. the configuration method of Phase Tracking reference signal according to claim 1, which is characterized in that the maximum son carries
Wave number is 4.
12. a kind of determination method of Phase Tracking reference signal characterized by comprising
Receive the frequency domain density of the corresponding Phase Tracking reference signal of various bandwidth of base station configuration；
The preset maximum sub-carrier number of the base station configuration is received, it is close that the maximum sub-carrier number is suitable at least one frequency domain
Degree, for determining the insertion position of Phase Tracking reference signal.
13. the determination method of Phase Tracking reference signal according to claim 12, which is characterized in that described in the reception
The preset maximum sub-carrier number of base station configuration includes:
The maximum sub-carrier number for corresponding to current frequency domain density of the base station configuration is received, the maximum sub-carrier number is
The minimum value of next adjacent frequency domain density neutron carrier number of the current frequency domain density.
14. the determination method of Phase Tracking reference signal according to claim 12, which is characterized in that the maximum son carries
Wave number is suitable for all frequency densities.
15. the determination method of Phase Tracking reference signal according to claim 12, which is characterized in that the maximum son carries
Wave number is suitable for all frequency domain density in addition to minimum non-zero density.
16. the determination method of Phase Tracking reference signal according to claim 12, which is characterized in that the maximum son carries
Wave number is suitable for specified frequency domain density.
17. the determination method of Phase Tracking reference signal according to claim 12, which is characterized in that further include:
The frequency domain density not applicable for the maximum sub-carrier number is determined according to scheduling bandwidth and its corresponding frequency domain density
Insertion position of the Phase Tracking reference signal in the scheduling bandwidth, for obtaining the Phase Tracking with reference to letter
Number.
18. the determination method of Phase Tracking reference signal according to claim 17, which is characterized in that the scheduling bandwidth
Including multiple scheduling RB, insertion position of the Phase Tracking reference signal in the scheduling bandwidth are as follows:
Wherein, n0For default bias amount, 1/n is the tune
Spend the corresponding frequency domain density of bandwidth, NRBFor the quantity for the scheduling RB that the scheduling bandwidth includes, { 0,1 ..., NRB- 1 } it is respectively
Index of the multiple scheduling RB in the scheduling bandwidth.
19. the determination method of Phase Tracking reference signal according to claim 12, which is characterized in that further include:
The frequency domain density applicable for the maximum sub-carrier number, according to scheduling bandwidth and its corresponding frequency domain density and it is described most
Big sub-carrier number determines insertion position of the Phase Tracking reference signal in the scheduling bandwidth, with described for obtaining
Phase Tracking reference signal.
20. the determination method of Phase Tracking reference signal according to claim 19, which is characterized in that the scheduling bandwidth
Including multiple scheduling RB, insertion position of the Phase Tracking reference signal in the scheduling bandwidth are as follows:
Wherein, n0For default bias amount,
1/n is the corresponding frequency domain density of the scheduling bandwidth, and M is the maximum sub-carrier number, NRBThe tune for including for the scheduling bandwidth
Spend the quantity of RB, { 0,1 ..., NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
21. the determination method of Phase Tracking reference signal described in 8 or 20 according to claim 1, which is characterized in that described default
Offset is preset value 0, or is determined by demodulated reference signal port associated with the Phase Tracking reference signal.
22. the determination method of Phase Tracking reference signal according to claim 12, which is characterized in that the maximum son carries
Wave number is 4.
23. a kind of configuration device of Phase Tracking reference signal characterized by comprising
Frequency domain Density and distribution module, the frequency domain for being suitable for the corresponding Phase Tracking reference signal of user device configuration various bandwidth are close
Degree；
Maximum sub-carrier number configuration module is suitable for the preset maximum sub-carrier number of the user device configuration, the maximum son
Carrier number is suitable at least one frequency domain density, for determining the insertion position of Phase Tracking reference signal.
24. the configuration device of Phase Tracking reference signal according to claim 23, which is characterized in that the maximum son carries
Wave number configuration module includes:
Configuration unit is suitable for the maximum sub-carrier number of the user device configuration corresponding to current frequency domain density, described
Maximum sub-carrier number is the minimum value of next adjacent frequency domain density neutron carrier number of the current frequency domain density.
25. the configuration device of Phase Tracking reference signal according to claim 23, which is characterized in that the maximum son carries
Wave number is suitable for all frequency densities.
26. the configuration device of Phase Tracking reference signal according to claim 23, which is characterized in that the maximum son carries
Wave number is suitable for all frequency domain density in addition to minimum non-zero density.
27. the configuration device of Phase Tracking reference signal according to claim 23, which is characterized in that the maximum son carries
Wave number is suitable for specified frequency domain density.
28. the configuration device of Phase Tracking reference signal according to claim 23, which is characterized in that further include:
First insertion position determining module, suitable for the frequency domain density not applicable for the maximum sub-carrier number, according to the use
The scheduling bandwidth of family equipment and its corresponding frequency domain density determine the Phase Tracking reference signal in the scheduling bandwidth
Insertion position.
29. the configuration device of Phase Tracking reference signal according to claim 28, which is characterized in that the user equipment
Scheduling bandwidth include multiple scheduling RB, insertion position of the Phase Tracking reference signal in the scheduling bandwidth are as follows:
Wherein, n0For default bias amount, 1/n is the tune
Spend the corresponding frequency domain density of bandwidth, NRBThe quantity for the scheduling RB that scheduling bandwidth for the user equipment includes, 0,1 ...,
NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
30. the configuration device of Phase Tracking reference signal according to claim 23, which is characterized in that further include:
Second insertion position determining module, suitable for the frequency domain density applicable for the maximum sub-carrier number, according to the user
The scheduling bandwidth of equipment and its corresponding frequency domain density and the maximum sub-carrier number, determine that the Phase Tracking reference signal exists
Insertion position in the scheduling bandwidth.
31. the configuration device of Phase Tracking reference signal according to claim 30, which is characterized in that the user equipment
Scheduling bandwidth include multiple scheduling RB, insertion position of the Phase Tracking reference signal in the scheduling bandwidth are as follows:
Wherein, n0For default bias amount,
1/n is the corresponding frequency domain density of the scheduling bandwidth, and M is the maximum sub-carrier number, NRBFor the scheduling band of the user equipment
The quantity for the scheduling RB that width includes, { 0,1 ..., NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
32. the configuration device of Phase Tracking reference signal according to claim 29 or 31, which is characterized in that described default
Offset is preset value 0, or is determined by demodulated reference signal port associated with the Phase Tracking reference signal.
33. the configuration device of Phase Tracking reference signal according to claim 23, which is characterized in that the maximum son carries
Wave number is 4.
34. a kind of determining device of Phase Tracking reference signal characterized by comprising
Frequency domain density receiving module, it is close suitable for receiving the frequency domain of the corresponding Phase Tracking reference signal of various bandwidth of base station configuration
Degree；
Maximum sub-carrier number receiving module, suitable for receiving the preset maximum sub-carrier number of the base station configuration, the maximum son
Carrier number is suitable at least one frequency domain density, for determining the insertion position of Phase Tracking reference signal.
35. the determining device of Phase Tracking reference signal according to claim 34, which is characterized in that the maximum son carries
Wave number receiving module includes:
Receiving unit, it is described suitable for receiving the maximum sub-carrier number for corresponding to current frequency domain density of the base station configuration
Maximum sub-carrier number is the minimum value of next adjacent frequency domain density neutron carrier number of the current frequency domain density.
36. the determining device of Phase Tracking reference signal according to claim 34, which is characterized in that the maximum son carries
Wave number is suitable for all frequency densities.
37. the determining device of Phase Tracking reference signal according to claim 34, which is characterized in that the maximum son carries
Wave number is suitable for all frequency domain density in addition to minimum non-zero density.
38. the determining device of Phase Tracking reference signal according to claim 34, which is characterized in that the maximum son carries
Wave number is suitable for specified frequency domain density.
39. the determining device of Phase Tracking reference signal according to claim 34, which is characterized in that further include:
Third insertion position determining module, suitable for the frequency domain density not applicable for the maximum sub-carrier number, according to scheduling band
Wide and its corresponding frequency domain density determines insertion position of the Phase Tracking reference signal in the scheduling bandwidth, with
In the acquisition Phase Tracking reference signal.
40. the determining device of Phase Tracking reference signal according to claim 39, which is characterized in that the scheduling bandwidth
Including multiple scheduling RB, insertion position of the Phase Tracking reference signal in the scheduling bandwidth are as follows:
Wherein, n0For default bias amount, 1/n is the tune
Spend the corresponding frequency domain density of bandwidth, NRBFor the quantity for the scheduling RB that the scheduling bandwidth includes, { 0,1 ..., NRB- 1 } it is respectively
Index of the multiple scheduling RB in the scheduling bandwidth.
41. the determining device of Phase Tracking reference signal according to claim 34, which is characterized in that further include:
4th insertion position determining module, suitable for the frequency domain density applicable for the maximum sub-carrier number, according to scheduling bandwidth
And its corresponding frequency domain density and the maximum sub-carrier number, determine the Phase Tracking reference signal in the scheduling bandwidth
Insertion position, with for obtaining the Phase Tracking reference signal.
42. the determining device of Phase Tracking reference signal according to claim 41, which is characterized in that the scheduling bandwidth
Including multiple scheduling RB, insertion position of the Phase Tracking reference signal in the scheduling bandwidth are as follows:
Wherein, n0For default bias amount, 1/
N is the corresponding frequency domain density of the scheduling bandwidth, and M is the maximum sub-carrier number, NRBThe scheduling for including for the scheduling bandwidth
The quantity of RB, { 0,1 ..., NRBIt -1 } is respectively index of the multiple scheduling RB in the scheduling bandwidth.
43. the determining device of Phase Tracking reference signal according to claim 40 or 42, which is characterized in that described default
Offset is preset value 0, or is determined by demodulated reference signal port associated with the Phase Tracking reference signal.
44. the determining device of Phase Tracking reference signal according to claim 34, which is characterized in that the maximum son carries
Wave number is 4.
45. a kind of storage medium, is stored thereon with computer instruction, which is characterized in that the computer instruction executes when running
Described in any one of claims 1 to 11 the step of the configuration method of Phase Tracking reference signal or claim 12 to 22
Any one of described in Phase Tracking reference signal determination method the step of.
46. a kind of base station, including memory and processor, the meter that can be run on the processor is stored on the memory
Calculation machine instruction, which is characterized in that perform claim requires any one of 1 to 11 institute when the processor runs the computer instruction
The step of stating the configuration method of Phase Tracking reference signal.
47. a kind of user equipment, including memory and processor, it is stored with and can runs on the processor on the memory
Computer instruction, which is characterized in that perform claim requires to appoint in 12 to 22 when the processor runs the computer instruction
The step of determination method of one Phase Tracking reference signal.
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| CN201710802747.2A CN109474556B (en) | 2017-09-07 | 2017-09-07 | Method and device for configuring and determining phase tracking reference signal, storage medium, base station and user equipment |
| CN202110821327.5A CN113381961B (en) | 2017-09-07 | 2017-09-07 | Method and device for configuring and determining phase tracking reference signal, storage medium, base station and user equipment |
| CN202110820063.1A CN113381960B (en) | 2017-09-07 | 2017-09-07 | Method and device for configuring and determining phase tracking reference signal, storage medium, base station and user equipment |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080205494A1 (en) * | 2007-02-27 | 2008-08-28 | Whitehead Michael L | Unbiased code phase discriminator |
| CN101449502A (en) * | 2006-05-19 | 2009-06-03 | 松下电器产业株式会社 | Radio communication device and radio communication method |
| WO2017138880A1 (en) * | 2016-02-09 | 2017-08-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Systems and methods for phase noise tracking reference signal sequence generation using demodulation reference signals |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3681050A1 (en) * | 2011-09-30 | 2020-07-15 | InterDigital Patent Holdings, Inc. | Multipoint transmission in wireless communication |
| US9900872B2 (en) * | 2013-04-17 | 2018-02-20 | Futurewei Technologies, Inc. | Systems and methods for adaptive transmissions in wireless network |
-
2017
- 2017-09-07 CN CN202110821327.5A patent/CN113381961B/en active Active
- 2017-09-07 CN CN201710802747.2A patent/CN109474556B/en active Active
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101449502A (en) * | 2006-05-19 | 2009-06-03 | 松下电器产业株式会社 | Radio communication device and radio communication method |
| US20080205494A1 (en) * | 2007-02-27 | 2008-08-28 | Whitehead Michael L | Unbiased code phase discriminator |
| WO2017138880A1 (en) * | 2016-02-09 | 2017-08-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Systems and methods for phase noise tracking reference signal sequence generation using demodulation reference signals |
Non-Patent Citations (2)
| Title |
|---|
| ERICSSON: ""On DL PTRS Design"", 《3GPP TSG-RAN WG1 #88BIS R1- R1-1705906》 * |
| SAMSUNG: ""PT-RS design"", 《3GPP TSG RAN WG1 #88 R1-1702959》 * |
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