CN103916903B - A kind of measurement method and device of Reference Signal Received Power - Google Patents
A kind of measurement method and device of Reference Signal Received Power Download PDFInfo
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- CN103916903B CN103916903B CN201310002158.8A CN201310002158A CN103916903B CN 103916903 B CN103916903 B CN 103916903B CN 201310002158 A CN201310002158 A CN 201310002158A CN 103916903 B CN103916903 B CN 103916903B
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Abstract
This application discloses a kind of measurement method of Reference Signal Received Power and devices, including：The measurement configuration information that eNB is sent is received, working frequency points are carried in the measurement configuration information and measures report condition；The PSS and SSS of first kind adjacent cell are detected in pre-set time window in working frequency points, and measures the RSRP values of each first kind adjacent cell according to the PSS and SSS that detect；When determining need to the progress RSRP measurements of the second class adjacent cell, the PSS and SSS of the second class adjacent cell are detected in time window in working frequency points, and the RSRP values of each second class adjacent cell are measured according to the PSS and SSS that detect；The RSRP values of the RSRP values and the second class adjacent cell that meet the first kind adjacent cell for measuring report condition are reported to eNB.Now compare with the prior art, the measurement method and device of Reference Signal Received Power proposed by the present invention, RSRP measurements can not only be carried out to the adjacent cell using conventional carrier type, and can be to carrying out RSRP measurements using the adjacent cell of new carrier type.
Description
Technical field
This application involves mobile communication technology, more particularly to the measurement method and device of a kind of Reference Signal Received Power.
Background technology
Reference Signal Received Power（Reference Signal Received Power, RSRP）It is in some OFDM
（Orthogonal Frequency Division Multiplexing, orthogonal frequency division multiplexing）Carrying common reference letter in symbol
Number（Cell-specific Reference Signal, CRS）All resource particles（Resource Element, RE）On connect
The average value of the signal power received.It is user equipment（User Equipment, UE）Carry out the weight of cell reselection and switching
Will according to one of, accuracy directly determines that UE carries out the accuracy of cell reselection and switching, and then influences whole system
Performance.
In existing long term evolution（Long Term Evolution, LTE）In system, evolved base station（Evolved
Node B, eNB）Can be to the UE sending measuring configuration informations in connection status, the measurement result reported according to the UE received
To judge whether UE switches over.Specifically, there is the measurement amount that triggers when eNB is to UE sending measuring configuration informations：RSRP and ginseng
Examine signal receiving quality（Reference Signal Received Quality, RSRQ）.Fig. 1 is in the prior art with reference to letter
Number receive power measurement method implementation flow chart.As shown in Figure 1, including the following steps：
Step 101：UE receives the measurement configuration information that eNB is sent, and working frequency points are carried in the measurement configuration information
With measurement report condition.
Step 102：UE detects the PSS and SSS of adjacent cell in the working frequency points in pre-set time window,
And the RSRP values of each adjacent cell are measured according to the PSS and SSS that detect.
In existing LTE system, downlink synchronous signal includes：Primary synchronization signal（Primary Synchronization
Signal, PSS）And secondary synchronization signal（Secondary Synchronization Signal, SSS）.In this step, UE exists
The PSS and SSS of adjacent cell are detected in working frequency points in pre-set time window, and is surveyed according to the PSS and SSS detected
Measure the RSRP values of each adjacent cell.
Step 103：UE reports the RSRP values for meeting the adjacent cell for measuring report condition to eNB.
In the implementation of the present invention, inventor has found that at least there are the following problems in the prior art：
Currently, proposing a kind of new carrier type in LTE Rel-11 standards（New Carrier Type, NCT）,
Since the measurement method of existing RSRP is adjacent small according to the design structure detection of PSS and SSS corresponding with conventional carrier type
The PSS and SSS in area, and set with the corresponding PSS and SSS and PSS and SSS corresponding with conventional carrier type of new carrier type
It is different to count structure, so being only able to detect the adjacent cell using conventional carrier type using existing RSRP measurement methods, therefore
It can only be to carrying out RSRP measurements using the adjacent cell of conventional carrier type, it can not be to being carried out using the adjacent cell of new carrier type
RSRP is measured, and during follow-up RSRP is reported, UE can only report the RSRP of the adjacent cell using conventional carrier type, can not
The RSRP of the adjacent cell using new carrier type is reported, the information that UE will be caused to report in this way is insufficient, and eNB carries out UE
Switch decision not enough optimize.
Invention content
In view of this, the main purpose of the present invention is to provide the measurement methods of two kinds of Reference Signal Received Power, not only
RSRP measurements can be carried out to the adjacent cell using conventional carrier type, and can be to the adjacent cell using new carrier type
Carry out RSRP measurements.
Another object of the present invention is to provide the measuring devices of two kinds of Reference Signal Received Power, can not only be to using
The adjacent cell of conventional carrier type carries out RSRP measurements, and can realize to being carried out using the adjacent cell of new carrier type
RSRP is measured.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of measurement method of Reference Signal Received Power, the method includes：
The measurement configuration information that evolved base station eNB is sent is received, working frequency points are carried in the measurement configuration information
With measurement report condition；
Detection is adjacent using the first kind of first carrier type in pre-set time window in the working frequency points
The primary synchronization signal PSS and secondary synchronization signal SSS of cell, and each first kind neighbour is measured according to the PSS and SSS detected
The Reference Signal Received Power RSRP values of cell；
It determines the need for carrying out RSRP measurements using the second class adjacent cell of the second carrier type；
When determining that needs carry out RSRP measurements to the second class adjacent cell, in the time in the working frequency points
The PSS and SSS of detection the second class adjacent cell in window, and each second class is measured according to the PSS and SSS detected
The RSRP values of adjacent cell；
The RSRP values and the second class adjacent cell for meeting the first kind adjacent cell for measuring report condition are reported to the eNB
RSRP values.
A kind of measurement method of Reference Signal Received Power, the method includes：
Measurement configuration information is sent to user equipment (UE), is carried in the measurement configuration information in working frequency points and measurement
Tape part；
When determining that the UE is needed to carrying out RSRP measurements using the second class adjacent cell of the second carrier type, institute is received
The reference signal for meeting the first kind adjacent cell using first carrier type for measuring report condition that UE is reported is stated to receive
The RSRP values of power RSRP values and the second class adjacent cell.
A kind of user equipment, including：First receiving unit, measuring unit, determination unit and reporting unit；
First receiving unit, the measurement configuration information sent for receiving evolved base station eNB, the measuring configuration
Working frequency points are carried in information and measure report condition, and the measurement configuration information is sent to the measuring unit；
The measuring unit, for detection to be carried using first in pre-set time window in the working frequency points
The primary synchronization signal PSS and secondary synchronization signal SSS of the first kind adjacent cell of wave type, and measured according to the PSS and SSS detected
The Reference Signal Received Power RSRP values of each first kind adjacent cell, the RSRP values of the first kind adjacent cell are sent to
The reporting unit, and send a determine instruction to the determination unit；It is additionally operable to after receiving measurement notification message,
Detect the PSS and SSS of the second class adjacent cell in the time window in the working frequency points, and according to detecting
PSS and SSS measures the RSRP values of each second class adjacent cell, the RSRP values of the second class adjacent cell is sent to described
Reporting unit；
The determination unit, for after receiving the determine instruction, it is determined whether need to using the second carrier wave
Second class adjacent cell of type carries out RSRP measurements, when determining that needs carry out RSRP measurements to the second class adjacent cell, to
The measuring unit sends the measurement notification message；
The reporting unit meets the first kind adjacent cell for measuring report condition for being reported to the eNB
The RSRP values of RSRP values and the second class adjacent cell.
A kind of evolved base station, including：Transmission unit and the second receiving unit；
The transmission unit is carried for sending measurement configuration information to user equipment (UE) in the measurement configuration information
There are working frequency points and measure report condition, and notifies second receiving unit；
Second receiving unit, for being needed to the second class adjacent cell using the second carrier type as the determining UE
When carrying out RSRP measurements, the first kind using first carrier type for meeting the measurement report condition that the UE is reported is received
The RSRP values of the Reference Signal Received Power RSRP values of adjacent cell and the second class adjacent cell.
Therefore in the inventive solutions, first in working frequency points in pre-set time window
Detection and measures each the using the PSS and SSS of the first kind adjacent cell of first carrier type according to the PSS and SSS that detect
Then the RSRP values of a kind of adjacent cell are determined the need for carrying out RSRP surveys using the second class adjacent cell of the second carrier type
Amount detects the second class in working frequency points when determining need to the progress RSRP measurements of the second class adjacent cell in time window
The PSS and SSS of adjacent cell, and measure according to the PSS and SSS that detect the RSRP values of each second class adjacent cell.With existing skill
Art now compares, the measurement method and device of Reference Signal Received Power proposed by the present invention, can not only to first kind adjacent cell into
Row RSRP is measured, but also can carry out RSRP measurements to the second class adjacent cell；Moreover, the method for the invention implements letter
Folk prescription just, is convenient for universal.
Description of the drawings
Fig. 1 is the implementation flow chart of the measurement method of Reference Signal Received Power in the prior art.
Fig. 2 is the first implementation flow chart of the measurement method of Reference Signal Received Power in the present invention.
Fig. 3 is the second implementation flow chart of the measurement method of Reference Signal Received Power in the present invention.
Fig. 4 is the structural schematic diagram of user equipment in the present invention.
Fig. 5 is the structural schematic diagram of evolved base station in the present invention.
Specific implementation mode
For problems of the prior art, a kind of survey of improved Reference Signal Received Power is proposed in the present invention
Amount scheme can be realized to carrying out RSRP measurements using new carrier wave.
To keep technical scheme of the present invention clearer, clear, develop simultaneously embodiment referring to the drawings, to of the present invention
Scheme is described in further detail.
Fig. 2 is the first implementation flow chart of the measurement method of Reference Signal Received Power in the present invention.As shown in Fig. 2, packet
Include following steps：
Step 201：The measurement configuration information that evolved base station eNB is sent is received, is carried in the measurement configuration information
Working frequency points and measurement report condition.
In this step, UE receives the measurement configuration information that eNB is sent, and work frequency is carried in the measurement configuration information
Point and measurement report condition.
In a specific embodiment of the present invention, the measurement report condition can be there are many type.For example, it may be reporting
Higher than the RSRP values of the adjacent cell of fixed door limit value, or report the adjacent cell of the RSRP values higher than this cell being obtained ahead of time
RSRP values etc..
In the preferred embodiment, UE can receive eNB and pass through wireless heterogeneous networks（Radio Resource
Control, RRC）The measurement configuration information that signaling is sent.
Step 202：Detection uses the first of first carrier type in pre-set time window in working frequency points
The primary synchronization signal PSS and secondary synchronization signal SSS of class adjacent cell, and each first kind neighbour is measured according to the PSS and SSS detected
The Reference Signal Received Power RSRP values of cell.
In a specific embodiment of the present invention, the first kind carrier type refers to conventional carrier class in the prior art
Type；The the second class carrier type subsequently referred to refers to the new carrier type proposed in LTE Rel-11 standards.
In the frame format of existing LTE TDD, PSS is mapped in subframe 1 and the third OFDM of subframe 6 meets；SSS
It is mapped in the last one OFDM symbol of subframe 0 and subframe 5.Since UE is different from the distance between the eNB of different adjacent cells,
Therefore UE receives the time possible difference of the PSS and SSS of the eNB transmissions of different adjacent cells, therefore, in the specific reality of the present invention
Apply in example, need to pre-set a time window, with ensure UE can receive different adjacent cells eNB send PSS and
SSS.In the preferred embodiment, the length of the pre-set time window can be 10 milliseconds.
It is provided according to LTE Rel-8 standards, PSS uses Zadoff-Chu sequence, shares 3 PSS sequences, each PSS sequences
ID in the corresponding physical-layer cell group of row：Value is the integer in 0~2；SSS uses m-sequence, shares 168 sequences
Row, each SSS sequence pairs answer a physical-layer cell group number：Value is the integer in 0~167.CellBy
WithIt codetermines, specifically,WithWithMeet following relational expression：Wherein,Table
Show cell ID；Indicate physical layer cell group number；Indicate the ID in physical layer cell group.It follows that when UE is detected
After PSS and SSS, so that it may to determine cell ID according to the PSS and SSS that detect.
Therefore, in this step, UE can detection uses first in pre-set time window in working frequency points
The PSS and SSS of the first kind adjacent cell of carrier type.Further, UE can be according to predetermined first kind adjacent cell
The PSS and SSS of the design structure detection first kind adjacent cell of PSS and SSS.Wherein, the design structure of the PSS and SSS refers to
The sequence that the positions over time and frequency PSS and SSS and PSS and SSS are used.Specifically, common inspection may be used in UE
Survey method detect first kind adjacent cell PSS and SSS, for example, UE may be used it is predetermined corresponding with first carrier type
PSS sequences and SSS sequences in each OFDM symbol to receive signal and synchronize related, judged according to the peak value of acquisition
The position of PSS and SSS.
In a specific embodiment of the present invention, UE can detect the PSS and SSS of a first kind adjacent cell, can also
Detect the PSS and SSS of multiple first kind adjacent cells.In this step, UE can be according to the PSS and SSS detected using more
The common method of kind measures the RSRP values of each first kind adjacent cell.For example, UE can be directly according to each first kind adjacent cell
PSS and SSS measure the RSRP values of each first kind adjacent cell；In addition, UE can also be adjacent according to each first kind detected
Position relationship between the PSS and SSS and predetermined CRS and PSS or SSS of cell, detects each first kind adjacent cell
CRS, and measure according to the CRS detected the RSRP values of each first kind adjacent cell；In addition, UE can also be according to each first
The CRS and PSS and SSS of class adjacent cell measure the RSRP values of each first kind adjacent cell.
Step 203：It determines the need for carrying out RSRP measurements using the second class adjacent cell of the second carrier type.
In the specific embodiment of invention, UE, can first really after the RSRP values for measuring each first kind adjacent cell
It is fixed whether to need, to carrying out RSRP measurements using the second class adjacent cell of the second class carrier type, to need to the second class neighbour when determining
When cell carries out RSRP measurements, step 204 is executed；When determination need not carry out RSRP measurements to the second class adjacent cell, UE can
Directly to report the RSRP values for meeting the first kind adjacent cell for measuring report condition to eNB.
In the preferred embodiment, UE can be with according to whether receive the instruction message of eNB transmissions be to determine
It is no to need to carry out RSRP measurements to the second class adjacent cell.Specifically, when UE is not received by the instruction message of eNB transmissions, table
Bright eNB acquiescences UE needs to carry out RSRP measurements to the second class adjacent cell, therefore when UE is not received by the instruction message of eNB transmissions
When, UE determinations need to carry out RSRP measurements to the second class adjacent cell.When UE receives the instruction message of eNB transmissions, show eNB
Indicate that UE need not carry out RSRP measurements to the second class adjacent cell, therefore, when UE receives the instruction message of eNB transmissions, really
Surely RSRP measurements need not be carried out to the second class adjacent cell.
Preferably, UE, which can receive eNB, passes through system information block（System Information Block, SIB）It sends
Instruction message.
Step 204：When determination needs the RSRP to the second class adjacent cell to measure, in time window in working frequency points
The PSS and SSS of the second class adjacent cell of detection in mouthful, and each second class adjacent cell is measured according to the PSS and SSS that detect
RSRP values.
In this step, when determine need the RSRP to the second class adjacent cell to measure when, UE in working frequency points
The PSS and SSS of the second class adjacent cell of detection in time window.Further, UE can be small according to predetermined second class neighbour
The design structure of the PSS and SSS in area detect the PSS and SSS of the second class adjacent cell.Specifically, UE can be according to predetermined
The sequence that the positions over time and frequency the PSS and SSS of second class adjacent cell and PSS and SSS are used, detects the second class
The PSS and SSS of adjacent cell, for example, predetermined PSS sequences corresponding with the second class carrier type and SSS may be used in UE
Sequence in each OFDM symbol to receive signal and synchronize related, the position of PSS and SSS are judged according to the peak value of acquisition
It sets.
In a specific embodiment of the present invention, UE can detect the PSS and SSS of a second class adjacent cell, can also
Detect the PSS and SSS of multiple second class adjacent cells.In this step, UE can be according to the PSS and SSS detected using more
The common method of kind measures the RSRP values of each second class adjacent cell.For example, UE can be directly according to each second class adjacent cell
PSS and SSS measure the RSRP values of each second class adjacent cell；In addition, UE can also be according to each of detecting that the second class is adjacent
Position relationship between the PSS and SSS and predetermined CRS and PSS or SSS of cell detects each second class adjacent cell
CRS, and measure according to the CRS and PSS and SSS that detect the RSRP values of each second class adjacent cell.
Step 205：The RSRP values and the second class adjacent cell for meeting the first kind adjacent cell for measuring report condition are reported to eNB
RSRP values.
In a specific embodiment of the present invention, UE is reported to eNB meets the first kind adjacent cell for measuring report condition
The RSRP values of RSRP values and the second class adjacent cell.For example, it is described measure report condition be report higher than fixed door limit value neighbour it is small
The RSRP values in area, it is assumed that the fixed door limit value is 10db, then in this step, UE reports first higher than 10db to eNB
The RSRP values of the RSRP values of class adjacent cell and the second class adjacent cell.
Fig. 3 is the second implementation flow chart of the measurement method of Reference Signal Received Power in the present invention.As shown in figure 3, packet
Include following steps：
Step 301：Measurement configuration information is sent to UE, is carried in the measurement configuration information in working frequency points and measurement
Tape part.
In this step, eNB sends measurement configuration information to UE, carry in the measurement configuration information working frequency points and
Measure report condition.
In a specific embodiment of the present invention, the measurement report condition can be there are many type.For example, it may be reporting
Higher than the RSRP values of the adjacent cell of fixed door limit value, or report the adjacent cell of the RSRP values higher than this cell being obtained ahead of time
RSRP values etc..
In the preferred embodiment, UE can receive eNB and pass through wireless heterogeneous networks（Radio Resource
Control, RRC）The measurement configuration information that signaling is sent.
Preferably, in a specific embodiment of the present invention, this method still further comprises：
Step 311：Judge whether UE needs to carry out RSRP measurements to the second class adjacent cell.
In this step, eNB judges whether UE needs to carry out RSRP measurements to the second class adjacent cell.In the specific of the present invention
In embodiment, eNB may be used a variety of methods and judge whether UE needs to carry out RSRP measurements to the second class adjacent cell.For example, eNB
It may determine that and whether there is the second class adjacent cell in the adjacent cell of UE, if there are the second class adjacent cell in the adjacent cell of UE,
It determines and UE pairs of the second class adjacent cell is needed to carry out RSRP measurements；If the second class adjacent cell is not present in the adjacent cell of UE, really
Surely it does not need UE pairs of the second class adjacent cell and carries out RSRP measurements.
Step 312：When determining that not needing UE pairs of the second class adjacent cell carries out RSRP measurements, instruction message is sent to UE.
In this step, when determining that not needing UE pairs of the second class adjacent cell carries out RSRP measurements, eNB sends to UE and indicates
Message.
Preferably, eNB can send instruction message by system information block SIB to UE.
Preferably, when determining that eNB can not send to UE and indicate when UE pairs of the second class adjacent cell being needed to carry out RSRP measurements
Message, i.e. eNB acquiescence UE need to carry out RSRP measurements to the second class adjacent cell.
Step 302：When determining that UE is needed to carrying out RSRP measurements using the second class adjacent cell of the second carrier type, connect
RSRP values and the second class for receiving the first kind adjacent cell using first carrier type for the satisfaction measurement report condition that UE is reported are adjacent
The RSRP values of cell.
In this step, when determine UE need to using the second carrier type the second class adjacent cell carry out RSRP measurements
When, eNB receives the RSRP of the RSRP values and the second class adjacent cell of the first kind adjacent cell for the satisfaction measurement report condition that UE is reported
Value.For example, the measurement report condition is the RSRP values reported higher than the adjacent cell of fixed door limit value, it is assumed that the fixed threshold
Value is 10db, then in this step, UE reports the RSRP values and the second class adjacent cell of the first kind adjacent cell higher than 10db to eNB
RSRP values.
The measurement method of Reference Signal Received Power proposed by the present invention, first in working frequency points when pre-set
Between in window detection and surveyed according to the PSS and SSS detected using the PSS and SSS of the first kind adjacent cell of first carrier type
The RSRP values for measuring each first kind adjacent cell, then determine the need for using the second carrier type the second class adjacent cell into
Row RSRP is measured, and when determining need to the progress RSRP measurements of the second class adjacent cell, is examined in time window in working frequency points
The PSS and SSS of the second class adjacent cell are surveyed, and measures the RSRP values of each second class adjacent cell according to the PSS and SSS that detect.
Now compare with the prior art, the measurement method and device of Reference Signal Received Power proposed by the present invention can not only be to the first kind
Adjacent cell carries out RSRP measurements, but also can carry out RSRP measurements to the second class adjacent cell；Moreover, the method for the invention is real
Now get up simple and convenient, convenient for universal.
Fig. 4 is the structural schematic diagram of user equipment in the present invention.As shown in figure 4, including：First receiving unit 401 measures
Unit 402, determination unit 403 and reporting unit 404；
First receiving unit 401, the measurement configuration information sent for receiving evolved base station eNB, the measurement
Working frequency points are carried in configuration information and measure report condition, and the measurement configuration information is sent to the measuring unit
402；
The measuring unit 402, in the working frequency points in pre-set time window detection using the
The primary synchronization signal PSS and secondary synchronization signal SSS of the first kind adjacent cell of one carrier type, and according to the PSS and SSS detected
The RSRP values for measuring each first kind adjacent cell, the Reference Signal Received Power RSRP values of the first kind adjacent cell are sent out
The reporting unit 404 is given, and a determine instruction is sent to the determination unit 403；Be additionally operable to receive measure it is logical
After knowing message, the PSS and SSS of the second class adjacent cell are detected in the time window in the working frequency points, and
The RSRP values that each second class adjacent cell is measured according to the PSS and SSS detected, by the RSRP of the second class adjacent cell
Value is sent to the reporting unit 404；
The determination unit 403, for after receiving the determine instruction, it is determined whether need to being carried using second
Second class adjacent cell of wave type carries out RSRP measurements, when determining that needs carry out RSRP measurements to the second class adjacent cell,
The measurement notification message is sent to the measuring unit 402；
The reporting unit 404 meets the first kind adjacent cell for measuring report condition for being reported to the eNB
The RSRP values of RSRP values and the second class adjacent cell.
Further, the determination unit 403, specifically for when being not received by the instruction message that the eNB is sent,
It determines and needs to measure the RSRP of the second class adjacent cell；It is additionally operable to when the instruction message for receiving the eNB transmissions
When, determination need not measure the RSRP of the second class adjacent cell.
Further, first receiving unit 401 is sent out specifically for receiving the eNB by system information block SIB
The instruction message sent.
Fig. 5 is the structural schematic diagram of evolved base station in the present invention.As shown in figure 5, including：Transmission unit 501 and second
Receiving unit 502；
The transmission unit 501 is taken for sending measurement configuration information to user equipment (UE) in the measurement configuration information
With working frequency points and report condition is measured, and notifies second receiving unit 502；
Second receiving unit 502, for needing the second class to using the second carrier type adjacent as the determining UE
When cell carries out RSRP measurements, receive that the UE reports meet it is described measure report condition using the of first carrier type
The RSRP values of the Reference Signal Received Power RSRP values of a kind of adjacent cell and the second class adjacent cell.
Further, the evolved base station further includes：Judging unit 503；
The judging unit 503, for judging whether user equipment (UE) needs to carry out RSRP to the second class adjacent cell
It measures, when needing the UE to carry out RSRP measurements to the second class adjacent cell, a hair is sent to the transmission unit 501
Send instruction；
The transmission unit 501, for sending instruction message to the UE.
Further, the transmission unit 501 is specifically used for sending the finger to the UE by system information block SIB
Show message.
Further, the judging unit 503 is specifically used for whether there is described second in the adjacent cell for judging the UE
Class adjacent cell, if there are the second class adjacent cells in the adjacent cell of the UE, it is determined that need the UE to described second
Class adjacent cell carries out RSRP measurements；If the second class adjacent cell is not present in the adjacent cell of the UE, it is determined that do not need
The UE carries out RSRP measurements to the second class adjacent cell.
The measuring device of Reference Signal Received Power proposed by the present invention, first in working frequency points when pre-set
Between in window detection and surveyed according to the PSS and SSS detected using the PSS and SSS of the first kind adjacent cell of first carrier type
The RSRP values for measuring each first kind adjacent cell, then determine the need for using the second carrier type the second class adjacent cell into
Row RSRP is measured, and when determining need to the progress RSRP measurements of the second class adjacent cell, is examined in time window in working frequency points
The PSS and SSS of the second class adjacent cell are surveyed, and measures the RSRP values of each second class adjacent cell according to the PSS and SSS that detect.
Now compare with the prior art, the measurement method and device of Reference Signal Received Power proposed by the present invention can not only be to the first kind
Adjacent cell carries out RSRP measurements, but also can carry out RSRP measurements to the second class adjacent cell；Moreover, the method for the invention is real
Now get up simple and convenient, convenient for universal.
The specific workflow of Fig. 4 and Fig. 5 shown device embodiments please refers to the corresponding theory in embodiment of the method shown in Fig. 1
It is bright, it repeats no more.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent substitution, improvement and etc. done should be included within the scope of protection of the invention god.
Claims (16)
1. a kind of measurement method of Reference Signal Received Power, which is characterized in that including：
The measurement configuration information that evolved base station eNB is sent is received, working frequency points and survey are carried in the measurement configuration information
Measure report condition；
Detection uses the first kind adjacent cell of first carrier type in pre-set time window in the working frequency points
Primary synchronization signal PSS and secondary synchronization signal SSS, and each first kind adjacent cell is measured according to the PSS and SSS that detect
Reference Signal Received Power RSRP values；
It determines the need for carrying out RSRP measurements using the second class adjacent cell of the second carrier type；
When determining that needs carry out RSRP measurements to the second class adjacent cell, in the time window in the working frequency points
The PSS and SSS of interior detection the second class adjacent cell, and it is small according to each second class neighbour of PSS and SSS measurement detected
The RSRP values in area；
The RSRP values and the second class adjacent cell for meeting the first kind adjacent cell for measuring report condition are reported to the eNB
RSRP values；
The first carrier type is conventional carrier type；Second carrier type proposes in LTE Rel-11 standards
New carrier type NCT.
2. according to the method described in claim 1, it is characterized in that, described determine the need for using the second carrier type
The RSRP of second class adjacent cell measure including：
When being not received by the instruction message that the eNB is sent, determines and need to carry out the RSRP of the second class adjacent cell
It measures；
When receiving the instruction message that the eNB is sent, determination need not survey the RSRP of the second class adjacent cell
Amount.
3. according to the method described in claim 1, it is characterized in that, the length of the pre-set time window is 10 millis
Second.
4. according to the method described in claim 2, it is characterized in that, the instruction message for receiving the eNB transmissions includes：
Receive the instruction message that the eNB is sent by system information block SIB.
5. according to the method described in claim 1, it is characterized in that, the measurement report condition is：It reports and is higher than fixed threshold
The RSRP values of the adjacent cell of value；
Alternatively, reporting the RSRP values of the adjacent cell of the RSRP values higher than this cell being obtained ahead of time.
6. a kind of measurement method of Reference Signal Received Power, which is characterized in that including：
Measurement configuration information is sent to user equipment (UE), working frequency points are carried in the measurement configuration information and measures upper tape
Part；
When determining that the UE is needed to carrying out RSRP measurements using the second class adjacent cell of the second carrier type, the UE is received
What is reported meets the Reference Signal Received Power of the first kind adjacent cell using first carrier type for measuring report condition
The RSRP values of RSRP values and the second class adjacent cell；
Detection uses the first kind of first carrier type to the UE in pre-set time window in the working frequency points
The PSS and SSS of adjacent cell, and according to the RSRP values of each first kind adjacent cell of PSS and SSS measurement detected；It is described
UE detects the PSS and SSS of the second class adjacent cell in the working frequency points in the time window, and according to detecting
PSS and SSS measure the RSRP values of each second class adjacent cell；
The first carrier type is conventional carrier type；Second carrier type proposes in LTE Rel-11 standards
New carrier type NCT.
7. according to the method described in claim 6, it is characterized in that, this method still further comprises：
Judge whether the UE needs to carry out RSRP measurements to the second class adjacent cell；
When needing the UE to carrying out RSRP measurements using the second class adjacent cell of the second carrier type, refer to UE transmissions
Show message.
8. the method according to the description of claim 7 is characterized in that described include to UE transmissions instruction message：
By system information block SIB the instruction message is sent to the UE.
9. judging whether user equipment (UE) needs to the second class neighbour the method according to the description of claim 7 is characterized in that described
Cell carries out RSRP measurements：
Judge to whether there is the second class adjacent cell in the adjacent cell of the UE, if in the adjacent cell of the UE existed described
Second class adjacent cell, it is determined that the UE is needed to carry out RSRP measurements to the second class adjacent cell；If the neighbour of the UE is small
The second class adjacent cell is not present in area, it is determined that do not need the UE and RSRP measurements are carried out to the second class adjacent cell.
10. a kind of user equipment, which is characterized in that including：First receiving unit, measuring unit, determination unit and reporting unit；
First receiving unit, the measurement configuration information sent for receiving evolved base station eNB, the measurement configuration information
In carry working frequency points and measure report condition, the measurement configuration information is sent to the measuring unit；
The measuring unit, for detection to use first carrier class in pre-set time window in the working frequency points
The primary synchronization signal PSS and secondary synchronization signal SSS of the first kind adjacent cell of type, and measured each according to the PSS and SSS detected
The RSRP values of the first kind adjacent cell are sent to described by the Reference Signal Received Power RSRP values of the first kind adjacent cell
Reporting unit, and send a determine instruction to the determination unit；It is additionally operable to after receiving measurement notification message, in institute
The PSS and SSS for detecting the second class adjacent cell in working frequency points in the time window are stated, and according to the PSS and SSS detected
The RSRP values for measuring each second class adjacent cell, the upper declaration form is sent to by the RSRP values of the second class adjacent cell
Member；
The determination unit, for after receiving the determine instruction, it is determined whether need to using the second carrier type
The second class adjacent cell carry out RSRP measurements, when determine need to carry out RSRP measurements to the second class adjacent cell when, to described
Measuring unit sends the measurement notification message；
The reporting unit, for reporting the RSRP values for meeting the first kind adjacent cell for measuring report condition to the eNB
With the RSRP values of the second class adjacent cell；
The first carrier type is conventional carrier type；Second carrier type proposes in LTE Rel-11 standards
New carrier type NCT.
11. user equipment according to claim 10, which is characterized in that the determination unit, specifically for ought not connect
When receiving the instruction message that the eNB is sent, determines and need to measure the RSRP of the second class adjacent cell；It is additionally operable to work as
When receiving the instruction message that the eNB is sent, determination need not measure the RSRP of the second class adjacent cell.
12. user equipment according to claim 11, which is characterized in that first receiving unit is specifically used for receiving
The instruction message that the eNB is sent by system information block SIB.
13. a kind of evolved base station of method using method of claim 6, which is characterized in that including：Transmission unit and second
Receiving unit；
The transmission unit carries work for sending measurement configuration information to user equipment (UE) in the measurement configuration information
Make frequency point and measure report condition, and notifies second receiving unit；
Second receiving unit, for being needed as the determining UE to being carried out using the second class adjacent cell of the second carrier type
When RSRP is measured, meeting of receiving that the UE reports described measures the small using the first kind neighbour of first carrier type of report condition
The RSRP values of the Reference Signal Received Power RSRP values in area and the second class adjacent cell；
The first carrier type is conventional carrier type；Second carrier type proposes in LTE Rel-11 standards
New carrier type NCT.
14. evolved base station according to claim 13, which is characterized in that further include：Judging unit；
The judging unit, for judging whether user equipment (UE) needs to carry out RSRP measurements to the second class adjacent cell, when
When the UE being needed to carry out RSRP measurements to the second class adjacent cell, sends one to the transmission unit and send instruction；
The transmission unit, for sending instruction message to the UE.
15. evolved base station according to claim 14, which is characterized in that the transmission unit is specifically for passing through
The block of information SIB that unites sends the instruction message to the UE.
16. evolved base station according to claim 14, which is characterized in that the judging unit is specifically used for judging institute
It states and whether there is the second class adjacent cell in the adjacent cell of UE, if there are the second class neighbour is small in the adjacent cell of the UE
Area, it is determined that the UE is needed to carry out RSRP measurements to the second class adjacent cell；If be not present in the adjacent cell of the UE
The second class adjacent cell, it is determined that do not need the UE and RSRP measurements are carried out to the second class adjacent cell.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109561401B (en) | 2014-12-31 | 2020-03-10 | 华为技术有限公司 | Method and device for transmitting reference signal in cell using unlicensed frequency band |
| CN107306417B (en) | 2016-04-17 | 2019-09-06 | 上海朗帛通信技术有限公司 | A kind of method and apparatus in the UE and base station of narrow-band mobile communication |
| CN109041105B (en) * | 2017-06-09 | 2020-10-16 | 维沃移动通信有限公司 | Sending method of adjacent cell information, and processing method and device of adjacent cell information |
| WO2018227509A1 (en) * | 2017-06-15 | 2018-12-20 | Oppo广东移动通信有限公司 | Method and device for radio resource management measurement |
| CN109391996B (en) * | 2017-08-03 | 2021-11-23 | 维沃移动通信有限公司 | Method for reporting measurement report, method for receiving measurement report, terminal and network equipment |
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| WO2010142527A1 (en) * | 2009-06-08 | 2010-12-16 | Telefonaktiebolaget L M Ericsson (Publ) | Signal measurements based on sync signals |
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