CN109495413A - The transmission of synchronization signal block, the measurement method of cell quality, base station and terminal - Google Patents
The transmission of synchronization signal block, the measurement method of cell quality, base station and terminal Download PDFInfo
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- CN109495413A CN109495413A CN201710812737.7A CN201710812737A CN109495413A CN 109495413 A CN109495413 A CN 109495413A CN 201710812737 A CN201710812737 A CN 201710812737A CN 109495413 A CN109495413 A CN 109495413A
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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
- H04L27/2647—Arrangements specific to the receiver only
- H04L27/2655—Synchronisation arrangements
- H04L27/2662—Symbol synchronisation
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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Abstract
The present invention provides measurement method, base station and the terminal of a kind of transmission of synchronization signal block, cell quality, this method comprises: sending synchronization signal block, includes in the synchronization signal block: primary synchronization signal, secondary synchronization signal and Physical Broadcast Channel；Wherein, data transmission is not used for by the vacant position that the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel occupy in the synchronization signal block；The embodiment of the present invention carries out data transmission in order to avoid the vacant position that terminal is scheduled for synchronization signal block after completing switching, therefore the spare bits of synchronization signal block are installed to be set to and are not used for data transmission, so that the cell quality that terminal is measured according to synchronization signal block is more close with the practical cell quality in the cell of terminal, the accuracy of cell quality measurement is promoted.
Description
Technical field
The present invention relates to fields of communication technology, refer in particular to a kind of transmission of synchronization signal block, the measurement side of cell quality
Method, base station and terminal.
Background technique
Terminal device UE is based on cell reference symbols (CRS) and carries out RRM (Radio in existing LTE (long term evolution) technology
Resource Management, wireless resource management) measurement, the cell quality RSRQ reported by UE measurement
(ReferenceSignalReceivingQualit, Reference Signal Received Quality), supplementary cell switches over judgement and movement
Property management.
CRS is that full bandwidth is sent in LTE, in order to reduce the expense of reference symbol, in 5G will there is no CRS, therefore not
Need to be replaced the measurement function of CRS with other reference signals.One of possible mode is carried out using synchronizing symbol
Measurement.Synchronizing symbol and Physical Broadcast Channel PBCH are (same in SS block as shown in Figure 1: for the sending method of synchronizing symbol in 5G
Walk block) in transmission, periodicity sending includes in each SS block: primary synchronization signal PSS, secondary synchronization signal SSS and wide
Broadcast channel PBCH, mapping mode PSS-PBCH-SSS-PBCH.Wherein PSS-PBCH-SSS-PBCH respectively accounts for 1 OFDM symbol,
I.e. each SS block occupy in the time domain 4 OFDM (Orthogonal Frequency Division Multiplexing,
Orthogonal frequency division multiplexi) symbol, wherein PSS and SSS accounted on frequency domain 12 PRB (physical resource block,
Physical Resource Block), PBCH accounts for 24 PRB on frequency domain.
Reference Signal Received Quality RSRQ is defined as follows in LTE at present:
Wherein, RSRP (Reference Signal Receiving Power, Reference Signal Received Power) is with reference to symbol
The available signal power measured on number CRS characterizes cell signal strength；RSSI(Received Signal Strength
Indication, received signal strength indicator) be comprising reference symbol CRS OFDM symbol on general power, contain data
With useful signal, interference and the noise of reference signal；N is the number of the resource block RB in rssi measurement bandwidth.
According to the definition of RSRQ as can be seen that containing the RE of reference signal in the measurement of the denominator RSSI of RSRQ
The RE of (Resource Element, resource particle) and data channel, therefore serving cell is embodied in measurement amount and target is small
The influence of area's load.
System bandwidth is larger in 5G, and maximum can be 400MHz.Although UE measures the position SS block (24 PRB)
The signal quality of synchronization signal and data, but SS block will not occupy all resource block RB on frequency domain, when actually cutting
After the completion of changing, UE other frequency domain positions that may be scheduled carry out data transmission.In this case, UE is practical small in target
The previously measured signal quality of signal quality and UE in area may differ greatly, therefore survey of the UE to the SS block of the cell
It is little in the reference significance of the signal quality of the cell for UE to measure result.
Summary of the invention
The purpose of the present invention is to provide a kind of transmission of synchronization signal block, measurement method, base station and the end of cell quality
End, it is larger to solve terminal actual signal quality in the cell in the prior art and the previously measured signal measurement difference of terminal
The problem of caused cell quality measurement inaccuracy.
To solve the above-mentioned problems, the embodiment of the present invention provides a kind of transmission method of synchronization signal block, comprising:
Synchronization signal block is sent, includes in the synchronization signal block: primary synchronization signal, secondary synchronization signal and physical broadcast
Channel；
Wherein, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
The vacant position for broadcasting channel occupancy is not used for data transmission.
Wherein, the synchronization signal block is sent in multiple orthogonal frequency division multiplexi OFDM symbols；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Occupying vacant position includes:
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described
The resource block not occupied by the secondary synchronization signal in OFDM symbol where secondary synchronization signal.
Wherein, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
Broadcasting the vacant position of channel occupancy includes:
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the secondary synchronization signal.
It wherein, also include load signal sequence in the synchronization signal block, the load signal sequence is used to indicate cell
Load information；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
The vacant position occupied is for carrying the load signal sequence.
Wherein, the load signal sequence is pseudo- data sequence；Alternatively, the load signal sequence is preset reference symbol
Number.
Wherein, the performance number of the load signal sequence is used to simulate the load information of cell；Alternatively,
The number of occupancy resource particle of the load signal sequence in the synchronization signal block is for simulating cell
Load information.
The embodiment of the present invention also provides a kind of measurement method of cell quality, comprising:
Synchronization signal block is received, includes in the synchronization signal block: primary synchronization signal, secondary synchronization signal and physical broadcast
Channel；Wherein, do not believed by the primary synchronization signal, the secondary synchronization signal and the physical broadcast in the synchronization signal block
The vacant position that road occupies is not used for data transmission；
The synchronization signal block is parsed, cell quality is obtained.
Wherein, the step of reception synchronization signal block, comprising:
Synchronization signal block is received in multiple orthogonal frequency division multiplexi OFDM symbols；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Occupying vacant position includes:
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described
The resource block not occupied by the secondary synchronization signal in OFDM symbol where secondary synchronization signal.
Wherein, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
Broadcasting the vacant position of channel occupancy includes:
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the secondary synchronization signal.
It wherein, also include load signal sequence in the synchronization signal block, the load signal sequence is used to indicate cell
Load information；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
The vacant position occupied is for carrying the load signal sequence.
Wherein, the load signal sequence is pseudo- data sequence；Alternatively, the load signal sequence is preset reference symbol
Number.
Wherein, the performance number of the load signal sequence is used to simulate the load information of cell；Alternatively,
The number of occupancy resource particle of the load signal sequence in the synchronization signal block is for simulating cell
Load information.
The embodiment of the present invention also provides a kind of base station, including processor and transceiver, and the processor is as follows for executing
Process:
Synchronization signal block is sent, includes in the synchronization signal block: primary synchronization signal, secondary synchronization signal and physical broadcast
Channel；
Wherein, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
The vacant position for broadcasting channel occupancy is not used for data transmission.
Wherein, the synchronization signal block is sent in multiple orthogonal frequency division multiplexi OFDM symbols；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Occupying vacant position includes:
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described
The resource block not occupied by the secondary synchronization signal in OFDM symbol where secondary synchronization signal.
Wherein, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
Broadcasting the vacant position of channel occupancy includes:
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the secondary synchronization signal.
It wherein, also include load signal sequence in the synchronization signal block, the load signal sequence is used to indicate cell
Load information；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
The vacant position occupied is for carrying the load signal sequence.
Wherein, the load signal sequence is pseudo- data sequence；Alternatively, the load signal sequence is preset reference symbol
Number.
Wherein, the performance number of the load signal sequence is used to simulate the load information of cell；Alternatively,
The number of occupancy resource particle of the load signal sequence in the synchronization signal block is for simulating cell
Load information.
The embodiment of the present invention also provides a kind of terminal, including processor and transceiver, and the processor is as follows for executing
Process:
Synchronization signal block is received, includes in the synchronization signal block: primary synchronization signal, secondary synchronization signal and physical broadcast
Channel；Wherein, do not believed by the primary synchronization signal, the secondary synchronization signal and the physical broadcast in the synchronization signal block
The vacant position that road occupies is not used for data transmission；
The synchronization signal block is parsed, cell quality is obtained.
Wherein, the processor is also used to execute following process:
Synchronization signal block is received in multiple orthogonal frequency division multiplexi OFDM symbols；
Wherein, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
Broadcasting the vacant position of channel occupancy includes:
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described
The resource block not occupied by the secondary synchronization signal in OFDM symbol where secondary synchronization signal.
Wherein, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
Broadcasting the vacant position of channel occupancy includes:
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the secondary synchronization signal.
It wherein, also include load signal sequence in the synchronization signal block, the load signal sequence is used to indicate cell
Load information；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
The vacant position occupied is for carrying the load signal sequence.
Wherein, the load signal sequence is pseudo- data sequence；Alternatively, the load signal sequence is preset reference symbol
Number.
Wherein, the performance number of the load signal sequence is used to simulate the load information of cell；Alternatively,
The number of occupancy resource particle of the load signal sequence in the synchronization signal block is for simulating cell
Load information.
The embodiment of the present invention also provides a kind of communication equipment, including memory, processor and is stored on the memory
And the computer program that can be run on the processor, the processor are realized as described above synchronous when executing described program
The transmission method of block；
Alternatively, the processor realizes the measurement method of cell quality as described above when executing described program.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, feature
It is, which realizes the step in the transmission method of synchronization signal block as described above when being executed by processor；
Alternatively, the program realizes the step in the measurement method of cell quality as described above when being executed by processor.
Above-mentioned technical proposal of the invention at least has the following beneficial effects:
In the transmission of synchronization signal block of the embodiment of the present invention, the measurement method of cell quality, base station and terminal, in order to keep away
Exempt from terminal and be scheduled for the vacant position of synchronization signal block after completing switching to carry out data transmission, therefore by the sky of synchronization signal block
Remaining position is set as being not used for data transmission, so that cell quality and terminal reality that terminal is measured according to synchronization signal block
The cell quality of border in the cell is more close, then the cell quality measured based on synchronization signal block is measured before terminal to actual
Cell quality has biggish reference value, promotes the accuracy of cell quality measurement.
Detailed description of the invention
Fig. 1 shows the step flow charts of the transmission method of synchronization signal block provided in an embodiment of the present invention；
Fig. 2 indicates same in the transmission method of synchronization signal block provided in an embodiment of the present invention and the measurement method of cell quality
Walk the structural schematic diagram of block；
Fig. 3 indicates the step flow chart of the measurement method of cell quality provided in an embodiment of the present invention；
Fig. 4 indicates the structural schematic diagram of base station provided in an embodiment of the present invention；
Fig. 5 indicates the structural schematic diagram of terminal provided in an embodiment of the present invention.
Specific embodiment
To keep the technical problem to be solved in the present invention, technical solution and advantage clearer, below in conjunction with attached drawing and tool
Body embodiment is described in detail.
As shown in Figure 1, the embodiment of the present invention provides a kind of transmission method of synchronization signal block, comprising:
Step 11, send synchronization signal block, include in the synchronization signal block: primary synchronization signal, secondary synchronization signal and
Physical Broadcast Channel；
Wherein, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
The vacant position for broadcasting channel occupancy is not used for data transmission.
In the above embodiment of the present invention, as shown in Fig. 2, including in synchronization signal block: primary synchronization signal PSS, auxiliary synchronization
Signal SSS and Physical Broadcast Channel PBCH；Its mapping mode is PSS-PBCH-SSS-PBCH.In the synchronization signal block not by
The vacant position such as the shade in Fig. 2 of the primary synchronization signal, the secondary synchronization signal and Physical Broadcast Channel occupancy
Shown in part.Specifically, the vacant position is arranged to cannot be used for data transmission.It should be noted that synchronization signal block is
Periodicity sending.
Specifically, the synchronization signal block is sent in multiple orthogonal frequency division multiplexi OFDM symbols, (this is same shown in Fig. 2
Step block occupies 4 OFDM symbols in the time domain)；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Occupying vacant position includes:
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described
The resource block not occupied by the secondary synchronization signal in OFDM symbol where secondary synchronization signal；As shown in dash area in Fig. 2.
Alternatively, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
Broadcasting the vacant position of channel occupancy includes:
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the secondary synchronization signal；As shown in dash area in Fig. 2.
The cell quality that measures is more quasi- when further, in order to allow terminal to carry out cell quality measurement based on synchronization signal block
It really, also include load signal sequence in synchronization signal block described in the embodiment of the present invention, the load signal sequence is used to indicate
The load information of cell；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
The vacant position occupied is for carrying the load signal sequence.
It should be noted that terminal parsing synchronizes after the vacant position carry load signal sequence of synchronization signal block
The cell quality that block measurement obtains is then more accurate.And if the vacant position is used to carry load signal sequence, is somebody's turn to do
Vacant position also needs the symbol for being arranged to not be used to transmit other purposes；But load signal sequence can take synchronous letter
The vacant position of number block, can also not extend around the vacant position of synchronization signal block, be not specifically limited herein.
Further, the load information of the cell is the actual loading information of cell；Alternatively,
The load information of the cell is the load information being weighted to the actual loading information of cell.
Preferably, the actual loading information of cell is average load situation of the cell in one preset time period of past.More
Further, how the actual loading information of cell is weighted and can be base station or cell is pre-set, do not made herein
It limits；For example, the cell load weight of high frequency is lower, the cell load weight of low frequency is higher；Alternatively, the cell of high frequency is negative
Load weight is higher, and the cell load weight of low frequency is lower.
Preferably, the load signal sequence is pseudo- data sequence, i.e. the data of load signal sequence transmission only reflect
Cell load information, not truthful data.
Alternatively, the load signal sequence is preset reference symbol, such as demodulated reference signal DMRS or other sequences
The reference symbol of composition.
Further, it in the above embodiment of the present invention, after cell determines the load information of itself, will load accordingly
Information is added in load signal sequence, when load signal sequence takes the vacant position of synchronization signal block, the load signal
The performance number of sequence is used to simulate the load information of cell, i.e. load signal sequence is mapped on continuous resource block, passes through tune
The performance number of whole load signal sequence simulates the load information of cell；Alternatively,
When load signal sequence does not extend around the vacant position of synchronization signal block, the load signal sequence is in the synchronization
The number of occupancy resource particle RE in block is used to simulate the load information of cell, the i.e. mapping position of load signal sequence
It is not fixed, the load information of cell, such as cell is simulated by adjusting the number of the occupancy resource particle of load signal sequence
Load be 67%, then the number for the resource particle that load signal sequence occupies accounts for the number of the resource particle of entire vacant position
2/3.
To sum up, in the transmission method for the synchronization signal block that the above embodiment of the present invention provides, in order to avoid terminal is complete
Carry out data transmission at the vacant position for being scheduled for synchronization signal block after switching, therefore the spare bits of synchronization signal block are installed
To be not used for data transmission, so that cell quality and terminal that terminal is measured according to synchronization signal block are practical in the cell
Cell quality it is more close, then measure before terminal and had based on the cell quality that synchronization signal block measures to actual cell quality
There is biggish reference value；The load of the load information of cell is further used to indicate in the vacant location transmission of synchronization signal block
Signal sequence enables the terminal to the load information based on cell to determine cell quality, promotes the accurate of cell quality measurement
Property.
As shown in figure 3, the embodiment of the present invention also provides a kind of measurement method of cell quality, comprising:
Step 31, receive synchronization signal block, include in the synchronization signal block: primary synchronization signal, secondary synchronization signal and
Physical Broadcast Channel；Wherein, not by the primary synchronization signal, the secondary synchronization signal and the object in the synchronization signal block
The vacant position that reason broadcast channel occupies is not used for data transmission.
It should be noted that terminal side periodic receipt synchronization signal block.
Step 32, the synchronization signal block is parsed, cell quality is obtained.
In the above embodiment of the present invention, as shown in Fig. 2, including in synchronization signal block: primary synchronization signal PSS, auxiliary synchronization
Signal SSS and Physical Broadcast Channel PBCH；Its mapping mode is PSS-PBCH-SSS-PBCH.In the synchronization signal block not by
The vacant position such as the shade in Fig. 2 of the primary synchronization signal, the secondary synchronization signal and Physical Broadcast Channel occupancy
Shown in part.Specifically, the vacant position is arranged to cannot be used for data transmission.
Preferably, step 31 includes:
Synchronization signal block is received in multiple orthogonal frequency division multiplexi OFDM symbols, and (the synchronization signal block shown in Fig. 2 exists
4 OFDM symbols are occupied in time domain)；
Wherein, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
Broadcasting the vacant position of channel occupancy includes:
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described
The resource block not occupied by the secondary synchronization signal in OFDM symbol where secondary synchronization signal；As shown in dash area in Fig. 2.
Alternatively, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
Broadcasting the vacant position of channel occupancy includes:
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the secondary synchronization signal；As shown in dash area in Fig. 2.
The cell quality that measures is more quasi- when further, in order to allow terminal to carry out cell quality measurement based on synchronization signal block
It really, also include load signal sequence in synchronization signal block described in the embodiment of the present invention, the load signal sequence is used to indicate
The load information of cell；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
The vacant position occupied is for carrying the load signal sequence.
It should be noted that terminal parsing synchronizes after the vacant position carry load signal sequence of synchronization signal block
The cell quality that block measurement obtains is then more accurate.And if the vacant position is used to carry load signal sequence, is somebody's turn to do
Vacant position also needs the symbol for being arranged to not be used to transmit other purposes；But load signal sequence can take synchronous letter
The vacant position of number block, can also not extend around the vacant position of synchronization signal block, be not specifically limited herein.
Further, the load information of the cell is the actual loading information of cell；Alternatively,
The load information of the cell is the load information being weighted to the actual loading information of cell.
Preferably, the actual loading information of cell is average load situation of the cell in one preset time period of past.More
Further, how the actual loading information of cell is weighted and can be base station or cell is pre-set, do not made herein
It limits；For example, the cell load weight of high frequency is lower, the cell load weight of low frequency is higher；Alternatively, the cell of high frequency is negative
Load weight is higher, and the cell load weight of low frequency is lower.
Preferably, the load signal sequence is pseudo- data sequence, i.e. the data of load signal sequence transmission only reflect
Cell load information, not truthful data.
Alternatively, the load signal sequence is preset reference symbol, such as demodulated reference signal DMRS or other sequences
The reference symbol of composition.
Further, it in the above embodiment of the present invention, after cell determines the load information of itself, will load accordingly
Information is added in load signal sequence, when load signal sequence takes the vacant position of synchronization signal block, the load signal
The performance number of sequence is used to simulate the load information of cell, i.e. load signal sequence is mapped on continuous resource block, passes through tune
The performance number of whole load signal sequence simulates the load information of cell；Alternatively,
When load signal sequence does not extend around the vacant position of synchronization signal block, the load signal sequence is in the synchronization
The number of occupancy resource particle in block is used to simulate the load information of cell, the i.e. mapping position of load signal sequence not
It is fixed, simulate the load information of cell by adjusting the number of the occupancy resource particle of load signal sequence, such as cell
Load is 67%, then the number for the resource particle that load signal sequence occupies accounts for the number of the resource particle of entire vacant position
2/3。
Further, cell quality utilizes Reference Signal Received Quality RSRQ in step 32 in the above embodiment of the present invention
It identifies, the calculation formula of RSRQ is as follows:
Wherein, N is the number of the resource block RB in rssi measurement bandwidth, and minimum Measurement bandwidth is the band of synchronization signal block
Width, i.e. 24 Physical Resource Block PRB, N=24.
Reference Signal Received Power RSRP is each carrying secondary synchronization signal SSS and/or physical broadcast letter in Measurement bandwidth
The average value of available signal power on the resource block RE in road, wherein Measurement bandwidth is identical with the Measurement bandwidth of RSSI.
Received signal strength indicator RSSI is the average value of general power in specific OFDM symbol in Measurement bandwidth, the spy
Determining OFDM symbol is the OFDM symbol in synchronization signal block comprising PSS/SSS/PBCH；The general power includes the service of cochannel
Cell and non-service cell, the interference for facing channel, noise useful signal, interference, thermal noise.Namely contain synchronizing symbol
The general power of all positions of (SSS and PSS), PBCH and load signal sequence.
In the measurement method for the cell quality that the above embodiment of the present invention provides, in order to avoid terminal is after completing switching
The vacant position for being scheduled for synchronization signal block carries out data transmission, thus the spare bits of synchronization signal block are installed be set to not by with
It is transmitted in data, so that cell quality and the practical cell matter in the cell of terminal that terminal is measured according to synchronization signal block
Amount is more close, then the cell quality measured based on synchronization signal block is measured before terminal to actual cell quality with biggish
Reference value；The load signal sequence of the load information of cell is further used to indicate in the vacant location transmission of synchronization signal block
Column enable the terminal to the load information based on cell to determine cell quality, promote the accuracy of cell quality measurement.
As shown in figure 4, the embodiment of the present invention also provides a kind of base station, including processor 400 and transceiver 410, the place
Reason device 400 is for executing following process:
Synchronization signal block is sent, includes in the synchronization signal block: primary synchronization signal, secondary synchronization signal and physical broadcast
Channel；
Wherein, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
The vacant position for broadcasting channel occupancy is not used for data transmission.
Preferably, the synchronization signal block is sent in multiple orthogonal frequency division multiplexi OFDM symbols；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Occupying vacant position includes:
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described
The resource block not occupied by the secondary synchronization signal in OFDM symbol where secondary synchronization signal.
Preferably, not by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
Broadcast channel occupies vacant position
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the secondary synchronization signal.
Preferably, including also load signal sequence in the synchronization signal block, the load signal sequence is used to indicate small
The load information in area；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
The vacant position occupied is for carrying the load signal sequence.
Preferably, the load information of the cell is the actual loading information of cell；Alternatively,
The load information of the cell is the load information being weighted to the actual loading information of cell.
Preferably, the load signal sequence is pseudo- data sequence；Alternatively, the load signal sequence is preset reference symbol
Number.
Preferably, the performance number of the load signal sequence is used to simulate the load information of cell；Alternatively,
The number of occupancy resource particle of the load signal sequence in the synchronization signal block is for simulating cell
Load information.
The embodiment of the present invention carries out in order to avoid the vacant position that terminal is scheduled for synchronization signal block after completing switching
Data transmission, therefore the spare bits of synchronization signal block are installed to be set to and are not used for data transmission, so that terminal is according to synchronization
The cell quality that block measures is more close with the practical cell quality in the cell of terminal, then measures before terminal based on synchronization
The cell quality that block measures has biggish reference value to actual cell quality；Further in the sky of synchronization signal block
Remaining location transmission is used to indicate the load signal sequence of the load information of cell, enables the terminal to the load information based on cell
To determine cell quality, the accuracy of promotion cell quality measurement.
It should be noted that base station provided in an embodiment of the present invention is the transmission method for being able to carry out above-mentioned synchronization signal block
Base station, then all embodiments of the transmission method of above-mentioned synchronization signal block are suitable for the base station, and can reach it is identical or
Similar beneficial effect.
The embodiment of the present invention also provides a kind of communication equipment, including memory, processor and is stored on the memory
And the computer program that can be run on the processor, the processor are realized as described above synchronous when executing described program
The transmission method of block.
The communication equipment is a kind of base station, and the specific base station includes memory, processor and is stored in the memory
Computer program that is upper and can running on the processor, the processor are realized as described above same when executing described program
Each process in the transmission method embodiment of block is walked, and identical technical effect can be reached, to avoid repeating, here not
It repeats again.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, the program
Each process in the transmission method embodiment of synchronization signal block as described above is realized when being executed by processor, and can reach phase
Same technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as read-only storage
Device (Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic
Dish or CD etc..
As shown in figure 5, the embodiment of the present invention also provides a kind of terminal, including processor 500 and transceiver 510, the terminal
Further include user interface 520, the processor 500 is for executing following process:
Synchronization signal block is received, includes in the synchronization signal block: primary synchronization signal, secondary synchronization signal and physical broadcast
Channel；Wherein, do not believed by the primary synchronization signal, the secondary synchronization signal and the physical broadcast in the synchronization signal block
The vacant position that road occupies is not used for data transmission；
The synchronization signal block is parsed, cell quality is obtained.
Preferably, the processor 500 is also used to execute following process:
Synchronization signal block is received in multiple orthogonal frequency division multiplexi OFDM symbols；
Wherein, wideless by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
Broadcasting the vacant position of channel occupancy includes:
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described
The resource block not occupied by the secondary synchronization signal in OFDM symbol where secondary synchronization signal.
Preferably, not by the primary synchronization signal, the secondary synchronization signal and the physics in the synchronization signal block
Broadcast channel occupies vacant position
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency of frequency domain position and the Physical Broadcast Channel
The subcarrier that domain position is overlapped but is not overlapped with the frequency domain position of the secondary synchronization signal.
Preferably, including also load signal sequence in the synchronization signal block, the load signal sequence is used to indicate small
The load information in area；
Not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
The vacant position occupied is for carrying the load signal sequence.
Preferably, the load information of the cell is the actual loading information of cell；Alternatively,
The load information of the cell is the load information being weighted to the actual loading information of cell.
Preferably, the load signal sequence is pseudo- data sequence；Alternatively, the load signal sequence is preset reference symbol
Number.
Preferably, the performance number of the load signal sequence is used to simulate the load information of cell；Alternatively,
The number of occupancy resource particle of the load signal sequence in the synchronization signal block is for simulating cell
Load information.
The embodiment of the present invention carries out in order to avoid the vacant position that terminal is scheduled for synchronization signal block after completing switching
Data transmission, therefore the spare bits of synchronization signal block are installed to be set to and are not used for data transmission, so that terminal is according to synchronization
The cell quality that block measures is more close with the practical cell quality in the cell of terminal, then measures before terminal based on synchronization
The cell quality that block measures has biggish reference value to actual cell quality；Further in the sky of synchronization signal block
Remaining location transmission is used to indicate the load signal sequence of the load information of cell, enables the terminal to the load information based on cell
To determine cell quality, the accuracy of promotion cell quality measurement.
It should be noted that terminal provided in an embodiment of the present invention is to be able to carry out the measurement method of above-mentioned cell quality
Terminal, then all embodiments of the measurement method of above-mentioned cell quality are suitable for the terminal, and can reach same or similar
Beneficial effect.
The embodiment of the present invention also provides a kind of communication equipment, including memory, processor and is stored on the memory
And the computer program that can be run on the processor, the processor realize cell as described above when executing described program
The measurement method of quality.The communication equipment is a kind of terminal, specifically, the terminal includes memory, processor and is stored in institute
The computer program that can be run on memory and on the processor is stated, the processor is realized as above when executing described program
Each process in the measurement method embodiment of the cell quality, and identical technical effect can be reached, to avoid repeating,
Which is not described herein again.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, the program
Each process in the measurement method embodiment of cell quality as described above is realized when being executed by processor, and can be reached identical
Technical effect, to avoid repeating, which is not described herein again.Wherein, the computer readable storage medium, such as read-only memory
(Read-Only Memory, abbreviation ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic disk
Or CD etc..
It should be understood by those skilled in the art that, embodiments herein can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or implementation combining software and hardware aspects can be used in the application
The form of example.Moreover, can be used can in the computer that one or more wherein includes computer usable program code by the application
Read the form for the computer program product implemented on storage medium (including but not limited to magnetic disk storage and optical memory etc.).
The application is reference according to the method for the embodiment of the present application, the flow chart of equipment (system) and computer program product
And/or block diagram describes.It should be understood that each process in flowchart and/or the block diagram can be realized by computer program instructions
And/or the combination of the process and/or box in box and flowchart and/or the block diagram.It can provide these computer programs to refer to
Enable the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to generate
One machine so that by the instruction that the processor of computer or other programmable data processing devices executes generate for realizing
The device for the function of being specified in one or more flows of the flowchart and/or one box or multiple boxes.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer readable storage medium that mode works, so that the instruction being stored in the computer readable storage medium generates packet
The paper products of command device are included, which realizes in one side of one or more flows of the flowchart and/or block diagram
The function of being specified in frame or multiple boxes.
These computer program instructions can also be loaded into computer or other programmable data processing devices, so that calculating
On machine or other programmable devices execute series of operation steps to generate computer implemented processing, thus computer or its
The instruction that executes on his section's programming device is provided for realizing in one or more flows of the flowchart and/or one, block diagram
The step of function of being specified in box or multiple boxes.
The above is a preferred embodiment of the present invention, it is noted that for those skilled in the art
For, without departing from the principles of the present invention, several improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (26)
1. a kind of transmission method of synchronization signal block characterized by comprising
Synchronization signal block is sent, includes in the synchronization signal block: primary synchronization signal, secondary synchronization signal and physical broadcast letter
Road；
Wherein, do not believed by the primary synchronization signal, the secondary synchronization signal and the physical broadcast in the synchronization signal block
The vacant position that road occupies is not used for data transmission.
2. the method according to claim 1, wherein the synchronization signal block is in multiple orthogonal frequency division multiplexis
It is sent in OFDM symbol；
It is not occupied by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Vacant position includes:
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described auxiliary same
The resource block not occupied by the secondary synchronization signal in OFDM symbol where step signal.
3. the method according to claim 1, wherein in the synchronization signal block not by the primary synchronization signal,
The secondary synchronization signal and the Physical Broadcast Channel occupy vacant position
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency domain position of frequency domain position and the Physical Broadcast Channel
Set the subcarrier for being overlapped but not being overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency domain position of frequency domain position and the Physical Broadcast Channel
Set the subcarrier for being overlapped but not being overlapped with the frequency domain position of the secondary synchronization signal.
4. method according to claim 1-3, which is characterized in that also comprising load letter in the synchronization signal block
Number sequence, the load signal sequence are used to indicate the load information of cell；
It is not occupied by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Vacant position for carrying the load signal sequence.
5. according to the method described in claim 4, it is characterized in that, the load signal sequence is pseudo- data sequence；Alternatively, institute
Stating load signal sequence is preset reference symbol.
6. according to the method described in claim 4, it is characterized in that,
The performance number of the load signal sequence is used to simulate the load information of cell；Alternatively,
The number of occupancy resource particle of the load signal sequence in the synchronization signal block is used to simulate the load of cell
Information.
7. a kind of measurement method of cell quality characterized by comprising
Synchronization signal block is received, includes in the synchronization signal block: primary synchronization signal, secondary synchronization signal and physical broadcast letter
Road；Wherein, not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
The vacant position occupied is not used for data transmission；
The synchronization signal block is parsed, cell quality is obtained.
8. the method according to the description of claim 7 is characterized in that the step of reception synchronization signal block, comprising:
Synchronization signal block is received in multiple orthogonal frequency division multiplexi OFDM symbols；
It is not occupied by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Vacant position includes:
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described auxiliary same
The resource block not occupied by the secondary synchronization signal in OFDM symbol where step signal.
9. the method according to the description of claim 7 is characterized in that in the synchronization signal block not by the primary synchronization signal,
The secondary synchronization signal and the Physical Broadcast Channel occupy vacant position
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency domain position of frequency domain position and the Physical Broadcast Channel
Set the subcarrier for being overlapped but not being overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency domain position of frequency domain position and the Physical Broadcast Channel
Set the subcarrier for being overlapped but not being overlapped with the frequency domain position of the secondary synchronization signal.
10. according to the described in any item methods of claim 7-9, which is characterized in that also comprising load in the synchronization signal block
Signal sequence, the load signal sequence are used to indicate the load information of cell；
It is not occupied by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Vacant position for carrying the load signal sequence.
11. according to the method described in claim 10, it is characterized in that, the load signal sequence is pseudo- data sequence；Alternatively,
The load signal sequence is preset reference symbol.
12. according to the method described in claim 10, it is characterized in that, the performance number of the load signal sequence is small for simulating
The load information in area；Alternatively,
The number of occupancy resource particle of the load signal sequence in the synchronization signal block is used to simulate the load of cell
Information.
13. a kind of base station, including processor and transceiver, which is characterized in that the processor is for executing following process:
Synchronization signal block is sent, includes in the synchronization signal block: primary synchronization signal, secondary synchronization signal and physical broadcast letter
Road；
Wherein, do not believed by the primary synchronization signal, the secondary synchronization signal and the physical broadcast in the synchronization signal block
The vacant position that road occupies is not used for data transmission.
14. base station according to claim 13, which is characterized in that the synchronization signal block is in multiple orthogonal frequency division multiplexing skills
It is sent in art OFDM symbol；
It is not occupied by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Vacant position includes:
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described auxiliary same
The resource block not occupied by the secondary synchronization signal in OFDM symbol where step signal.
15. base station according to claim 13, which is characterized in that not by the main synchronous letter in the synchronization signal block
Number, the secondary synchronization signal and the Physical Broadcast Channel occupy vacant position and include:
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency domain position of frequency domain position and the Physical Broadcast Channel
Set the subcarrier for being overlapped but not being overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency domain position of frequency domain position and the Physical Broadcast Channel
Set the subcarrier for being overlapped but not being overlapped with the frequency domain position of the secondary synchronization signal.
16. the described in any item base stations 3-15 according to claim 1, which is characterized in that also comprising negative in the synchronization signal block
Signal sequence is carried, the load signal sequence is used to indicate the load information of cell；
It is not occupied by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Vacant position for carrying the load signal sequence.
17. base station according to claim 16, which is characterized in that the load signal sequence is pseudo- data sequence；Alternatively,
The load signal sequence is preset reference symbol.
18. base station according to claim 16, which is characterized in that the performance number of the load signal sequence is small for simulating
The load information in area；Alternatively,
The number of occupancy resource particle of the load signal sequence in the synchronization signal block is used to simulate the load of cell
Information.
19. a kind of terminal, including processor and transceiver, which is characterized in that the processor is for executing following process:
Synchronization signal block is received, includes in the synchronization signal block: primary synchronization signal, secondary synchronization signal and physical broadcast letter
Road；Wherein, not by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
The vacant position occupied is not used for data transmission；
The synchronization signal block is parsed, cell quality is obtained.
20. terminal according to claim 19, which is characterized in that the processor is also used to execute following process:
Synchronization signal block is received in multiple orthogonal frequency division multiplexi OFDM symbols；
Wherein, do not believed by the primary synchronization signal, the secondary synchronization signal and the physical broadcast in the synchronization signal block
Road occupies vacant position
The resource block not occupied by the primary synchronization signal in OFDM symbol where the primary synchronization signal；And it is described auxiliary same
The resource block not occupied by the secondary synchronization signal in OFDM symbol where step signal.
21. terminal according to claim 19, which is characterized in that not by the main synchronous letter in the synchronization signal block
Number, the secondary synchronization signal and the Physical Broadcast Channel occupy vacant position and include:
Time-domain position is identical as the time-domain position of the primary synchronization signal, the frequency domain position of frequency domain position and the Physical Broadcast Channel
Set the subcarrier for being overlapped but not being overlapped with the frequency domain position of the primary synchronization signal；And
Time-domain position is identical as the time-domain position of the secondary synchronization signal, the frequency domain position of frequency domain position and the Physical Broadcast Channel
Set the subcarrier for being overlapped but not being overlapped with the frequency domain position of the secondary synchronization signal.
22. 9 to 21 described in any item terminals according to claim 1, which is characterized in that also comprising negative in the synchronization signal block
Signal sequence is carried, the load signal sequence is used to indicate the load information of cell；
It is not occupied by the primary synchronization signal, the secondary synchronization signal and the Physical Broadcast Channel in the synchronization signal block
Vacant position for carrying the load signal sequence.
23. terminal according to claim 22, which is characterized in that the load signal sequence is pseudo- data sequence；Alternatively,
The load signal sequence is preset reference symbol.
24. terminal according to claim 22, which is characterized in that the performance number of the load signal sequence is small for simulating
The load information in area；Alternatively,
The number of occupancy resource particle of the load signal sequence in the synchronization signal block is used to simulate the load of cell
Information.
25. a kind of communication equipment, including memory, processor and it is stored on the memory and can transports on the processor
Capable computer program；It is characterized in that,
The processor realizes the transmission side such as synchronization signal block as claimed in any one of claims 1 to 6 when executing described program
Method；
Alternatively, the processor realizes the survey such as the described in any item cell qualities of claim 7 to 12 when executing described program
Amount method.
26. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the program is by processor
The step in the transmission method such as synchronization signal block as claimed in any one of claims 1 to 6 is realized when execution；
Alternatively, realizing the measurement side such as the described in any item cell qualities of claim 7 to 12 when the program is executed by processor
Step in method.
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