CN109327886A - Method, apparatus, terminal and the base station that synchronization signal is sent - Google Patents
Method, apparatus, terminal and the base station that synchronization signal is sent Download PDFInfo
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- CN109327886A CN109327886A CN201710639030.0A CN201710639030A CN109327886A CN 109327886 A CN109327886 A CN 109327886A CN 201710639030 A CN201710639030 A CN 201710639030A CN 109327886 A CN109327886 A CN 109327886A
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- Prior art keywords
- base station
- synchronization signal
- networking
- sequence information
- downlink
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04J—MULTIPLEX COMMUNICATION
- H04J11/00—Orthogonal multiplex systems, e.g. using WALSH codes
- H04J11/0069—Cell search, i.e. determining cell identity [cell-ID]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0261—Power saving arrangements in terminal devices managing power supply demand, e.g. depending on battery level
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The present invention provides a kind of method, apparatus, terminal and base station that synchronization signal is sent.The described method includes: downlink synchronous signal is sent, wherein including the sequence information for being used to indicate the networking mode of the base station in the downlink synchronous signal.The method of the invention, it include the sequence information for being used to indicate the networking mode of base station in downlink synchronous signal, utilize the networking mode of downlink synchronous signal instruction base station, terminal is when carrying out 5G NR frequency band search, only need the synchronization signal for detecting cell on each frequency point that can identify the networking mode of respective cell, this method is able to solve in the cell search process of the prior art, identifies cell networking mode search time problem that is longer, and causing terminal power consumption larger.
Description
Technical field
The present invention relates to mobile communication technology field, refer in particular to a kind of method, apparatus that synchronization signal is sent, terminal and
Base station.
Background technique
Currently, third generation partner program (3rd Generation Partnership Project, abbreviation 3GPP)
(New Radio, abbreviation NR) networking of newly eating dishes without rice or wine for 5G defines two schemes, be respectively independence networking (Stand alone,
Abbreviation SA) and dependent networking (Non-Standalone, abbreviation NSA).According to the different demands of operator, the real network of 5G
Deployment is likely to be independence networking SA and is covered each by different regions from dependent networking NSA, it is also possible to be a certain region both
It is covered with independence networking SA and is again covered with dependent networking NSA mode.And according to network accessibility, terminal (User
Equipment, simple UE) type can be divided into only support NSA, only support SA and NSA and SA all to support that (terminal can be configured to
NSA is preferential or SA is preferential).
Currently, during being switched on network selection, being selected for initial cell, UE needs based on above-mentioned network coverage mode
Full frequency band search is carried out according to the tenability of itself frequency range, is resident to find suitable cell as early as possible, is then initiated
Random access and attachment Attach process, complete the registration of core net.During cell initial search, UE is same to cell downlink first
Step signal is detected, to obtain the address information ID of time synchronization, Frequency Synchronization and cell.Wherein specific implementation procedure
Are as follows: primary synchronization signal (Primary Synchronization Signal, abbreviation PSS) is detected in receiving signal；According to master
Fixed relationship between synchronization signal and secondary synchronization signal (Secondary Synchronization Signal, abbreviation SSS),
Carry out the detection of secondary synchronization signal；It after completing down-going synchronous with cell, needs to read the system broadcasts of the cell, is stayed with obtaining
Stay the essential information of the cell.
However, all supporting the end of (SA is preferential) for the terminal or NSA and SA networking mode of only supporting SA networking mode
The frequency range of first search 5G NR is understood in above-mentioned cell search process in end, to find the use SA networking mode of the condition of satisfaction
5G NR cell be resident.However often can include multiple frequency points in the frequency range of UE configuration, if frequency point carries out UE one by one
Whether the detection of main and auxiliary synchronization signal identifies the cell by reading system broadcast message again after completing down-going synchronous
For the cell of SA networking mode, then the frequency band search time can be very long, while the power consumption of UE also can be very big, seriously affects user's body
It tests.
Summary of the invention
The purpose of technical solution of the present invention is to provide a kind of method, apparatus, terminal and base station that synchronization signal is sent, and is used for
Solve the prior art cell search process in, identification cell networking mode search time it is longer, and cause terminal power consumption compared with
Big problem.
The embodiment of the present invention provides a kind of method that synchronization signal is sent, and is applied to base station, wherein the described method includes:
Downlink synchronous signal is sent, wherein including the networking mode for being used to indicate the base station in the downlink synchronous signal
Sequence information.
Preferably, the method that the synchronization signal is sent, wherein the downlink synchronous signal be downlink primary synchronization signal or
Downlink secondary synchronization signal.
Preferably, the method that the synchronization signal is sent, wherein before the step of the transmission downlink synchronous signal, institute
The method of stating includes:
According to the corresponding relationship between preset different networking modes and corresponding sequence information, the base station is determined
Networking mode sequence information；
Wherein the networking mode is independence networking SA, dependent networking NSA, includes simultaneously SA and NSA, but excellent with NSA
It include first or simultaneously SA+NSA, but preferential with SA.
Preferably, the method that the synchronization signal is sent, wherein preset difference networking mode and corresponding sequence
In corresponding relationship between information, different networking modes respectively correspond different arrangement sets, include extremely in each arrangement set
A few sequence information；
Wherein, the step of sequence information of the networking mode of the determination base station includes:
Determine corresponding sequence set corresponding with the networking mode of the base station；
The wherein sequence information in the corresponding sequence set is selected to be used to indicate the networking mode of the base station
Sequence information.
Preferably, the method that the synchronization signal is sent, wherein preset difference networking mode and corresponding sequence
Corresponding relationship between information includes the first corresponding relationship that corresponding downlink primary synchronization signal is sent and corresponding downlink is auxiliary synchronous believes
Number send the second corresponding relationship.
The embodiment of the present invention also provides the method that another synchronization signal is sent, and is applied to terminal, wherein the method packet
It includes:
Downlink synchronous signal is received, wherein including the sequence for being used to indicate the networking mode of base station in the downlink synchronous signal
Column information；
According to the sequence information, the networking mode for sending the base station of the downlink synchronous signal is determined.
Preferably, the method that the synchronization signal is sent, wherein the downlink synchronous signal be downlink primary synchronization signal or
Downlink secondary synchronization signal.
Preferably, the method that the synchronization signal is sent, wherein it is described according to the sequence information, it determines described in sending
In the step of networking mode of the base station of downlink synchronous signal, believed according to preset different networking modes and corresponding sequence
Corresponding relationship between breath determines the networking mode of the base station.
Preferably, the method that the synchronization signal is sent, wherein preset difference networking mode and corresponding sequence
In corresponding relationship between information, different networking modes respectively correspond different arrangement sets, include extremely in each arrangement set
A few sequence information；
Wherein, the corresponding relationship according between preset different networking modes and corresponding sequence information, really
The step of networking mode of the base station includes: calmly
It determines in the preset corresponding relationship, belonging to the sequence information for including in the downlink synchronous signal
Corresponding sequence set；
It determines in the preset corresponding relationship, the corresponding networking mode of the corresponding sequence set is the base
The networking mode stood.
The specific embodiment of the invention also provides a kind of base station, wherein includes:
Transceiver, for sending downlink synchronous signal, wherein including being used to indicate base station in the downlink synchronous signal
The sequence information of networking mode.
Preferably, the base station, wherein the downlink synchronous signal is downlink primary synchronization signal or the auxiliary synchronous letter of downlink
Number.
Preferably, the base station, wherein the base station further include:
Processor, for according to the corresponding relationship between preset different networking modes and corresponding sequence information,
Determine the sequence information of the networking mode of the base station；
Wherein the networking mode is independence networking SA, dependent networking NSA, includes simultaneously SA and NSA, but excellent with NSA
It include first or simultaneously SA+NSA, but preferential with SA.
Preferably, the base station, wherein pair between preset difference networking mode and corresponding sequence information
In should being related to, different networking modes respectively correspond different arrangement sets, include an at least sequence information in each arrangement set；
Wherein, the processor is specifically used for:
Determine corresponding sequence set corresponding with the networking mode of the base station；
The wherein sequence information in the corresponding sequence set is selected to be used to indicate the networking mode of the base station
Sequence information.
Preferably, the base station, wherein pair between preset difference networking mode and corresponding sequence information
It should be related to the first corresponding relationship sent including corresponding downlink primary synchronization signal and corresponding downlink secondary synchronization signal are sent second
Corresponding relationship.
The embodiment of the present invention also provides a kind of terminal, wherein includes:
Transceiver, for receiving downlink synchronous signal, wherein including being used to indicate the base in the downlink synchronous signal
The sequence information for the networking mode stood；
Processor, for determining the networking mode for sending the base station of the downlink synchronous signal according to the sequence information.
Preferably, the terminal, wherein the downlink synchronous signal is downlink primary synchronization signal or the auxiliary synchronous letter of downlink
Number.
Preferably, the terminal, wherein the processor is specifically used for: according to preset different networking modes
With the corresponding relationship between corresponding sequence information, the networking mode of the base station is determined.
Preferably, the terminal, wherein pair between preset difference networking mode and corresponding sequence information
In should being related to, different networking modes respectively correspond different arrangement sets, include an at least sequence information in each arrangement set；
The processor also particularly useful for:
It determines in the preset corresponding relationship, belonging to the sequence information for including in the downlink synchronous signal
Corresponding sequence set；
It determines in the preset corresponding relationship, the corresponding networking mode of the corresponding sequence set is the base
The networking mode stood.
The embodiment of the present invention also provides a kind of base station, including memory, processor and is stored on the memory and can
The computer program run on the processor；Wherein, as above any one institute is realized when the processor executes described program
The method for stating synchronization signal transmission.
The embodiment of the present invention also provides a kind of terminal, including memory, processor and is stored on the memory and can
The computer program run on the processor；Wherein, it is realized when the processor executes described program as any one of upper in weighed
The method that the synchronization signal is sent.
The embodiment of the present invention also provides a kind of computer readable storage medium, is stored thereon with computer program, wherein should
The step in the as above method of any one synchronization signal transmission is realized when program is executed by processor.
One or more embodiments of the invention at least has the advantages that
The method that synchronization signal described in the specific embodiment of the invention is sent includes being used to indicate base station in downlink synchronous signal
Networking mode sequence information, using downlink synchronous signal instruction base station networking mode, terminal carry out 5G NR frequency range search
Suo Shi, it is only necessary to which the synchronization signal for detecting cell on each frequency point can identify the networking mode of respective cell.Therefore it uses
This method can identify the networking mode of respective base station by synchronization signal, when can greatly shorten the frequency band search of terminal
It is long, it solves in the cell search process of the prior art, identification cell networking mode search time is longer, and causes terminal power consumption
Larger problem.
Detailed description of the invention
Fig. 1 is the flow diagram for the method that synchronization signal described in a wherein embodiment of the invention is sent；
Fig. 2 is the flow diagram for the method that synchronization signal described in another embodiment of the present invention is sent；
Fig. 3 is the idiographic flow schematic diagram of the step S210 of Fig. 2；
Fig. 4 is the structural schematic diagram for illustrating the corresponding relationship between networking mode and sequence information；
Fig. 5 is the flow diagram for the method that synchronization signal described in yet another embodiment of the invention is sent；
Fig. 6 is the structural schematic diagram of base station described in the specific embodiment of the invention；
Fig. 7 is the structural schematic diagram that the terminal is embodied in the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are some of the embodiments of the present invention, instead of all the embodiments.Based on this hair
Embodiment in bright, every other implementation obtained by those of ordinary skill in the art without making creative efforts
Example, shall fall within the protection scope of the present invention.
The present invention method that wherein synchronization signal described in an embodiment is sent, is applied to base station, as shown in Figure 1, the side
Method includes:
S110 sends downlink synchronous signal, wherein including the group for being used to indicate the base station in the downlink synchronous signal
The sequence information of net mode.
The method that synchronization signal described in the specific embodiment of the invention is sent, is specifically applicable to 5G NR network, compared to existing
There is technology, includes the sequence information for being used to indicate the networking mode of base station in downlink synchronous signal, referred to using downlink synchronous signal
Show the networking mode of base station, terminal is when carrying out 5G NR frequency band search, it is only necessary to detect the synchronization signal of cell on each frequency point
It can identify the networking mode of respective cell.
When that can identify the networking mode of respective base station by synchronization signal, for only supporting the end of SA networking mode
End or NSA and SA networking mode are all supported, but the terminal preferential with SA, if detection finds that certain cell is NSA networking mode,
The search that the cell carries out next cell can be directly skipped, is disappeared without carrying out down-going synchronous reading system broadcasts with the cell
Breath, therefore the frequency band search duration of terminal can be greatly shortened, it solves in the cell search process of the prior art, identifies cell group
Net mode search time is longer, and the problem for causing terminal power consumption larger.
Specifically, in above-mentioned steps S110, downlink synchronous signal is downlink primary synchronization signal or downlink secondary synchronization signal.
Specifically, in cell search process, the networking mode of base station can be indicated by downlink primary synchronization signal, or
Referred to simultaneously by the networking mode or downlink primary synchronization signal and downlink secondary synchronization signal of downlink secondary synchronization signal instruction base station
Show the networking mode of base station.Preferably, only indicating the networking mode of base station by downlink primary synchronization signal.
According to fig. 2, the method that synchronization signal described in another embodiment of the present invention is sent, the method includes the steps:
S210 determines institute according to the corresponding relationship between preset different networking modes and corresponding sequence information
State the sequence information of the networking mode of base station；
Wherein the networking mode is independence networking SA, dependent networking NSA, includes simultaneously SA and NSA, but excellent with NSA
It include first or simultaneously SA+NSA, but preferential with SA.
S220 sends downlink synchronous signal, wherein including the group for being used to indicate the base station in the downlink synchronous signal
The sequence information of net mode.
Using the embodiment, in step S220, before sending downlink synchronous signal, according to preset different networking sides
Corresponding relationship between formula and corresponding sequence information determines the sequence information of the networking mode of base station.For 5G NR network,
The networking mode of base station is independence networking SA, dependent networking NSA, simultaneously includes SA and NSA, but preferentially or simultaneously with NSA
Including SA+NSA, but it is preferential with SA.
In addition, the corresponding relationship in step S210, between preset difference networking mode and corresponding sequence information
The second of the first corresponding relationship and corresponding downlink secondary synchronization signal transmission that send including corresponding downlink primary synchronization signal is corresponding to close
System.
In step S210, the corresponding relationship between preset different networking modes and corresponding sequence information,
Different networking modes respectively correspond different arrangement sets, include an at least sequence information in each arrangement set；
Wherein, as shown in figure 3, in step S210, the step of determining the sequence information of the networking mode of the base station, includes:
S211 determines corresponding sequence set corresponding with the networking mode of the base station；
S212 selects the wherein sequence information in the corresponding sequence set as the networking side that is used to indicate the base station
The sequence information of formula.
Specifically, using the embodiment the method, an at least arrangement set is preset, is wrapped in each arrangement set
An at least sequence information is included, for generating synchronization signal.In addition, different networking modes respectively correspond different arrangement sets, namely
Different networking modes and corresponding arrangement set have a corresponding relationship, at the same with the sequence information in corresponding arrangement set
With corresponding relationship.When synchronizing signal transmission, according to the networking mode of base station, select in corresponding sequence set at least
One sequence information generates synchronization signal.
In addition, presetting the main synchronization of corresponding downlink when indicating the networking mode of base station by downlink primary synchronization signal
The main synchronizing sequence set that signal is sent includes the sequence information for generating downlink primary synchronization signal in each arrangement set
(forming the first corresponding relationship)；When indicating the networking mode of base station by downlink secondary synchronization signal, corresponding downlink is preset
The secondary synchronization sequences set that secondary synchronization signal is sent includes the sequence for generating downlink secondary synchronization signal in each arrangement set
Information (forms the second corresponding relationship).
Further, due in 5G NR network, when different frequency ranges, different system bandwidth, the length of primary/secondary synchronization signal
Degree, sequence characteristic or sequence type etc. may be different, can also be with preferably, for different frequency range and/or different system bandwidths
At least one subclass is preset in main synchronizing sequence set and secondary synchronization sequences set, includes difference in each subclass
Length, different sequence characteristics or different types of sequence information, for meeting the needs of generating primary/secondary synchronous signal sequence.
Specifically, for the sequence information in main synchronizing sequence set, it should to can satisfy downlink primary synchronization signal
Main synchronizing sequence generates desired sequence；For the sequence information in secondary synchronization sequences set, it should auxiliary to can satisfy downlink
The secondary synchronization sequences of synchronization signal generate desired sequence.
Based on above-mentioned mode, for indicating the relational graph of the corresponding relationship between networking mode and corresponding sequence information
As shown in figure 4, including corresponding with SA networking mode in preset corresponding relationship so that cell is using SA networking mode as an example
Primary/secondary synchronizing sequence set may include at least one primary/secondary synchronizing sequence subclass in primary/secondary synchronizing sequence set, each
It include an at least sequence information in primary/secondary synchronizing sequence subclass.It, then can be with when the networking mode of base station is SA networking mode
According to the length of primary/secondary synchronization signal, sequence characteristic or sequence type etc., choose in a wherein primary/secondary synchronizing sequence subclass
A wherein sequence information generate the corresponding primary/secondary synchronization signal of downlink.
Specifically, the process for generating primary/secondary synchronization signal needs to meet the agreement regulation of 3GPP 5G NR.This field skill
Art personnel the method according to the present invention, it should the generating mode of primary/secondary synchronization signal can be understood, this is not described in detail here.
Equally, it according to Fig. 4, can also preset respectively with NSA networking mode, simultaneously including SA and NSA, but with NSA
Preferential networking mode and include simultaneously SA+NSA, but with the corresponding primary/secondary synchronizing sequence set of the preferential networking mode of SA, often
It may include at least one primary/secondary synchronizing sequence subclass, each primary/secondary synchronizing sequence subset in one primary/secondary synchronizing sequence set
It include an at least sequence information in conjunction.
Based on the method that synchronization signal described in the specific embodiment of the invention is sent, in cell search process, under passing through
When row primary synchronization signal indicates the networking mode of base station, the method that the synchronization signal is sent includes following process:
4 main synchronizing sequence set are preset, are respectively such as main synchronizing sequence set 1,2,3,4, each main synchronous sequence
It include an at least sequence information in column set, for generating the main synchronizing sequence of 5G NR primary synchronization signal；
In advance by main synchronizing sequence set 1,2,3,4 respectively with SA networking mode, NSA networking mode, simultaneously include SA and
NSA networking, but preferentially and simultaneously include SA and NSA networking with NSA, but establish to correspond with SA preferential networking mode and close
System；
According to the networking mode of base station, the sequence information in arrangement set corresponding with the networking mode of base station is selected, it is raw
At primary synchronization signal.That is, supporting the base station of SA networking mode, the sequence in arrangement set corresponding with SA networking mode is selected
Information generates primary synchronization signal；It supports the base station of NSA networking mode, selects in arrangement set corresponding with NSA networking mode
Sequence information generates primary synchronization signal；The base station of SA and NSA networking mode is supported simultaneously, is selected and include SA and NSA, but with
NSA preferential networking mode or with include SA and NSA, but with the sequence in the corresponding arrangement set of the preferential networking mode of SA
Information generates primary synchronization signal；
Send the primary synchronization signal of above-mentioned generation；
In addition, no matter which kind of networking mode base station is for the secondary synchronization sequences of secondary synchronization signal, can use identical
Sequence information generates.
In cell search process, when indicating the networking mode of base station by downlink secondary synchronization signal, the synchronous letter
Number send method include following process:
For the main synchronizing sequence of primary synchronization signal, no matter which kind of networking mode base station is, can use identical sequence
Information generates；
4 secondary synchronization sequences set are preset, such as respectively secondary synchronization sequences set 1,2,3,4, each auxiliary synchronous sequence
It include an at least sequence information in column set, for generating the secondary synchronization sequences of 5G NR secondary synchronization signal；
In advance by secondary synchronization sequences set 1,2,3,4 respectively with SA networking mode, NSA networking mode, simultaneously include SA and
NSA networking, but preferentially and simultaneously include SA and NSA networking with NSA, but establish to correspond with SA preferential networking mode and close
System；
According to the networking mode of base station, the sequence information in arrangement set corresponding with the networking mode of base station is selected, it is raw
At secondary synchronization signal.That is, supporting the base station of SA networking mode, the sequence in arrangement set corresponding with SA networking mode is selected
Information generates secondary synchronization signal；It supports the base station of NSA networking mode, selects in arrangement set corresponding with NSA networking mode
Sequence information generates secondary synchronization signal；The base station of SA and NSA networking mode is supported simultaneously, is selected and include SA and NSA, but with
NSA preferential networking mode or with include SA and NSA, but with the sequence in the corresponding arrangement set of the preferential networking mode of SA
Information generates secondary synchronization signal；
Send the secondary synchronization signal of above-mentioned generation.
Similarly, when downlink primary synchronization signal and downlink secondary synchronization signal indicate the networking mode of base station simultaneously, main synchronization
Above-mentioned process can be respectively adopted in the generating mode of signal and secondary synchronization signal, and details are not described herein.
The method sent using synchronization signal described in the specific embodiment of the invention, respectively includes at least one by presetting
The primary/secondary synchronizing sequence set of sequence information establishes corresponding relationship from different networking modes, and base station can be according to corresponding networking
Mode selects the sequence information in corresponding primary/secondary synchronizing sequence set to generate primary/secondary synchronization signal, in this way when terminal detects
When primary/secondary synchronization signal, by judging arrangement set belonging to primary/secondary synchronization signal, the correspondence networking of cell can be determined
Mode.
Therefore the networking mode that can identify respective base station by synchronization signal using this method, can greatly shorten end
The frequency band search duration at end, solves in the cell search process of the prior art, and identification cell networking mode search time is longer, and
And the problem for causing terminal power consumption larger.
The present invention also provides the methods that another embodiment synchronization signal is sent, and are applied to terminal, as shown in figure 5, the side
Method includes:
S510 receives downlink synchronous signal, wherein including the group for being used to indicate the base station in the downlink synchronous signal
The sequence information of net mode；
S520 determines the networking mode for sending the base station of the downlink synchronous signal according to the sequence information.
The method sent using synchronization signal described in the specific embodiment of the invention, in downlink synchronous signal transmitted by base station
Sequence information including being used to indicate the networking mode of base station, terminal can identify the networking of respective base station by synchronization signal
Mode.
When that can identify the networking mode of respective base station by synchronization signal, for only supporting the end of SA networking mode
End or NSA and SA networking mode are all supported, but the terminal preferential with SA, if detection finds that certain cell is NSA networking mode,
The search that the cell carries out next cell can be directly skipped, is disappeared without carrying out down-going synchronous reading system broadcasts with the cell
Breath, therefore the frequency band search duration of terminal can be greatly shortened, it solves in the cell search process of the prior art, identifies cell group
Net mode search time is longer, and the problem for causing terminal power consumption larger.
Specifically, in step S510, the received downlink synchronous signal of institute is downlink primary synchronization signal or the auxiliary synchronous letter of downlink
Number.
The networking mode for sending the base station of the downlink synchronous signal is determined according to the sequence information in step S520
The step of in, according to the corresponding relationship between preset different networking modes and corresponding sequence information, determine the base
The networking mode stood.Wherein the networking mode is independence networking SA, dependent networking NSA, simultaneously includes SA and NSA, but with
NSA is preferential or includes simultaneously SA+NSA, but preferential with SA.
Specifically, in the corresponding relationship between preset different networking modes and corresponding sequence information, different groups
Net mode respectively corresponds different arrangement sets, includes an at least sequence information in each arrangement set；
Wherein, the corresponding relationship according between preset different networking modes and corresponding sequence information, really
The step of networking mode of the base station includes: calmly
It determines in the preset corresponding relationship, belonging to the sequence information for including in the downlink synchronous signal
Corresponding sequence set；
It determines in the preset corresponding relationship, the corresponding networking mode of the corresponding sequence set is the base
The networking mode stood.
Preferably, under the corresponding relationship between preset difference networking mode and corresponding sequence information includes corresponding
The second corresponding relationship that the first corresponding relationship and corresponding downlink secondary synchronization signal that row primary synchronization signal is sent are sent.
Specifically, when base station indicates the networking mode of base station by downlink primary synchronization signal, according to presetting correspondence
The main synchronizing sequence set that downlink primary synchronization signal is sent includes for generating downlink primary synchronization signal in each arrangement set
Sequence information (forms the first corresponding relationship), determines the networking mode of base station；When base station indicates base by downlink secondary synchronization signal
When the networking mode stood, according to the secondary synchronization sequences set for presetting corresponding downlink primary synchronization signal transmission, each sequence sets
It include determining the networking side of base station for generating the sequence information of downlink primary synchronization signal (forming the first corresponding relationship) in conjunction
Formula.
The method sent using synchronization signal described in the specific embodiment of the invention, base station pass through primary synchronization signal and/or auxiliary
When synchronization signal indicates the networking mode of base station, the generating mode of primary synchronization signal and/or secondary synchronization signal can be refering to above
Description, on this basis, terminal is according to the primary/secondary synchronizing sequence set for presetting, respectively including an at least sequence information
It can be determined small from the corresponding relationship between different networking modes by judging arrangement set belonging to primary/secondary synchronization signal
The correspondence networking mode in area.
In addition, the another aspect of the specific embodiment of the invention also provides a kind of base station, as shown in fig. 6, the base station includes:
Transceiver, for sending downlink synchronous signal, wherein including being used to indicate the base in the downlink synchronous signal
The sequence information for the networking mode stood.
Base station described in the specific embodiment of the invention includes compared to the prior art being used to indicate base in downlink synchronous signal
The sequence information for the networking mode stood, using the networking mode of downlink synchronous signal instruction base station, terminal is carrying out 5G NR frequency range
When search, it is only necessary to which the synchronization signal for detecting cell on each frequency point can identify the networking mode of respective cell.
Specifically, the downlink synchronous signal is downlink primary synchronization signal or downlink secondary synchronization signal.
In cell search process, base station can indicate the networking mode of base station, Huo Zhetong by downlink primary synchronization signal
It crosses the networking mode of downlink secondary synchronization signal instruction base station or downlink primary synchronization signal and downlink secondary synchronization signal while indicating
The networking mode of base station.Preferably, only indicating the networking mode of base station by downlink primary synchronization signal.
Further, in conjunction with Fig. 6, preferably, the base station further include:
Processor, for according to the corresponding relationship between preset different networking modes and corresponding sequence information,
Determine the sequence information of the networking mode of the base station；
Wherein the networking mode is independence networking SA, dependent networking NSA, includes simultaneously SA and NSA, but excellent with NSA
It include first or simultaneously SA+NSA, but preferential with SA.
Preferably, under the corresponding relationship between preset difference networking mode and corresponding sequence information includes corresponding
The second corresponding relationship that the first corresponding relationship and corresponding downlink secondary synchronization signal that row primary synchronization signal is sent are sent.
In addition, it is preset difference networking modes and corresponding sequence information between corresponding relationship in, different networkings
Mode respectively corresponds different arrangement sets, includes an at least sequence information in each arrangement set；
Wherein, the processor is specifically used for:
Determine corresponding sequence set corresponding with the networking mode of the base station；
The wherein sequence information in the corresponding sequence set is selected to be used to indicate the networking mode of the base station
Sequence information.
Specifically, when base station indicates the networking mode of base station by downlink primary synchronization signal, corresponding downlink is preset
The main synchronizing sequence set that primary synchronization signal is sent includes the sequence for generating downlink primary synchronization signal in each arrangement set
Information (forms the first corresponding relationship)；When indicating the networking mode of base station by downlink secondary synchronization signal, correspondence is preset
The secondary synchronization sequences set that downlink secondary synchronization signal is sent includes for generating downlink secondary synchronization signal in each arrangement set
Sequence information (forms the second corresponding relationship).
Due in 5G NR network, when different frequency ranges, different system bandwidth, length, the sequence of primary/secondary synchronization signal
Characteristic or sequence type etc. may be different, preferably, for different frequency range and/or different system bandwidths, it can also be main same
Preset at least one subclass in step sequence set and secondary synchronization sequences set, in each subclass comprising different length,
Different sequence characteristics or different types of sequence information, for meeting the needs of generating primary/secondary synchronous signal sequence.
In addition, for the sequence information in main synchronizing sequence set, it should be the master that can satisfy downlink primary synchronization signal
Synchronizing sequence generates desired sequence；For the sequence information in secondary synchronization sequences set, it should auxiliary same to can satisfy downlink
The secondary synchronization sequences for walking signal generate desired sequence.
Based on above-mentioned mode, for indicating the relational graph of the corresponding relationship between networking mode and corresponding sequence information
It can be as shown in fig.4, details are not described herein.
Specifically, the process for generating primary/secondary synchronization signal needs to meet the agreement regulation of 3GPP 5G NR.This field skill
The art personnel base station according to embodiments of the present invention, the generation of primary/secondary synchronization signal should be able to be understood in conjunction with above description
Mode, details are not described herein.
Using base station described in the specific embodiment of the invention, by preset respectively include the master of an at least sequence information/
Secondary synchronization sequences set establishes corresponding relationship from different networking modes, and base station can select opposite according to corresponding networking mode
The sequence information in primary/secondary synchronizing sequence set is answered to generate primary/secondary synchronization signal, in this way when terminal detects primary/secondary synchronous letter
Number when, by judging arrangement set belonging to primary/secondary synchronization signal, can determine the correspondence networking mode of cell.
On the other hand the specific embodiment of the invention also provides a kind of terminal, as shown in fig. 7, the terminal includes:
Transceiver, for receiving downlink synchronous signal, wherein including being used to indicate the base in the downlink synchronous signal
The sequence information for the networking mode stood；
Processor, for determining the networking mode for sending the base station of the downlink synchronous signal according to the sequence information.
It include being used to indicate base in downlink synchronous signal transmitted by base station using terminal described in the specific embodiment of the invention
The sequence information for the networking mode stood, terminal can identify the networking mode of respective base station by synchronization signal.
When that can identify the networking mode of respective base station by synchronization signal, for only supporting the end of SA networking mode
End or NSA and SA networking mode are all supported, but the terminal preferential with SA, if detection finds that certain cell is NSA networking mode,
The search that the cell carries out next cell can be directly skipped, is disappeared without carrying out down-going synchronous reading system broadcasts with the cell
Breath, therefore the frequency band search duration of terminal can be greatly shortened, it solves in the cell search process of the prior art, identifies cell group
Net mode search time is longer, and the problem for causing terminal power consumption larger.
Specifically, the downlink synchronous signal is downlink primary synchronization signal and/or downlink secondary synchronization signal.
Further, the processor is specifically used for: according to preset different networking modes and corresponding sequence information
Between corresponding relationship, determine the networking mode of the base station.
In addition, it is preset difference networking modes and corresponding sequence information between corresponding relationship in, different networkings
Mode respectively corresponds different arrangement sets, includes an at least sequence information in each arrangement set；
The processor also particularly useful for:
It determines in the preset corresponding relationship, belonging to the sequence information for including in the downlink synchronous signal
Corresponding sequence set；
It determines in the preset corresponding relationship, the corresponding networking mode of the corresponding sequence set is the base
The networking mode stood.
Specifically, when base station indicates the networking mode of base station by downlink primary synchronization signal, terminal is according to presetting
The main synchronizing sequence set that downlink primary synchronization signal is sent is corresponded to, includes for generating the main synchronous letter of downlink in each arrangement set
Number sequence information (formed the first corresponding relationship), determine the networking mode of base station；When base station is referred to by downlink secondary synchronization signal
When showing the networking mode of base station, the secondary synchronization sequences set that terminal is sent according to corresponding downlink primary synchronization signal is preset, often
It include determining base station for generating the sequence information of downlink primary synchronization signal (forming the first corresponding relationship) in one arrangement set
Networking mode.
Terminal described in the specific embodiment of the invention, terminal can identify the networking side of respective base station by synchronization signal
Formula can greatly shorten the frequency band search duration of terminal, solve in the cell search process of the prior art, identify cell networking side
Formula search time is longer, and the problem for causing terminal power consumption larger.
On the other hand the specific embodiment of the invention also provides a kind of base station, including memory, processor and be stored in described
On memory and the computer program that can run on the processor；Wherein, it is realized when the processor executes described program
As above the method that any one is sent including the synchronization signal of step S110.
In addition, on the other hand the specific embodiment of the invention also provides a kind of terminal, including memory, processor and it is stored in
On the memory and the computer program that can run on the processor；Wherein, when the processor executes described program
Realize the method that as above any one is sent including synchronization signal described in step S510 and step S520.
Further, the specific embodiment of the invention also provides a kind of computer readable storage medium, is stored thereon with computer
Program, wherein the side that as above any one is sent including synchronization signal described in step S110 is realized when the program is executed by processor
Step or any one in method include the step in the method that synchronization signal described in step S510 and step S520 is sent.
The detailed description for the method that synchronization signal described in specific embodiment is sent according to the present invention, those skilled in the art answer
This can understand the specific structure using the base station of this method, terminal and computer readable storage medium, and this is not described in detail here.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, can also make several improvements and retouch under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (21)
1. a kind of method that synchronization signal is sent is applied to base station, which is characterized in that the described method includes:
Downlink synchronous signal is sent, wherein including the sequence for being used to indicate the networking mode of the base station in the downlink synchronous signal
Column information.
2. the method that synchronization signal is sent according to claim 1, which is characterized in that the downlink synchronous signal is downlink master
Synchronization signal or downlink secondary synchronization signal.
3. the method that synchronization signal is sent according to claim 1, which is characterized in that the step for sending downlink synchronous signal
Before rapid, which comprises
According to the corresponding relationship between preset different networking modes and corresponding sequence information, the group of the base station is determined
The sequence information of net mode；
Wherein the networking mode is independence networking SA, dependent networking NSA, simultaneously includes SA and NSA, but with NSA it is preferential or
Person includes simultaneously SA+NSA, but preferential with SA.
4. according to claim 3 synchronization signal send method, which is characterized in that it is preset difference networking modes with
In corresponding relationship between corresponding sequence information, different networking modes respectively correspond different arrangement sets, each sequence sets
It include an at least sequence information in conjunction；
Wherein, the step of sequence information of the networking mode of the determination base station includes:
Determine corresponding sequence set corresponding with the networking mode of the base station；
The wherein sequence information in the corresponding sequence set is selected as the sequence that is used to indicate the networking mode of the base station
Information.
5. the method sent according to the synchronization signal of claim 3 or 4, which is characterized in that preset difference networking side
Corresponding relationship between formula and corresponding sequence information includes the first corresponding relationship that corresponding downlink primary synchronization signal is sent and right
The second corresponding relationship for answering downlink secondary synchronization signal to send.
6. a kind of method that synchronization signal is sent is applied to terminal, which is characterized in that the described method includes:
Downlink synchronous signal is received, wherein including the sequence letter for being used to indicate the networking mode of base station in the downlink synchronous signal
Breath；
According to the sequence information, the networking mode for sending the base station of the downlink synchronous signal is determined.
7. the method that synchronization signal is sent according to claim 6, which is characterized in that the downlink synchronous signal is downlink master
Synchronization signal or downlink secondary synchronization signal.
8. the method that synchronization signal is sent according to claim 6, which is characterized in that it is described according to the sequence information, really
Surely in the step of sending the networking mode of the base station of the downlink synchronous signal, according to preset different networking modes and phase
Corresponding relationship between corresponding sequence information determines the networking mode of the base station.
9. according to claim 8 synchronization signal send method, which is characterized in that it is preset difference networking modes with
In corresponding relationship between corresponding sequence information, different networking modes respectively correspond different arrangement sets, each sequence sets
It include an at least sequence information in conjunction；
Wherein, the corresponding relationship according between preset different networking modes and corresponding sequence information, determines institute
The step of stating the networking mode of base station include:
It determines in the preset corresponding relationship, belonging to the sequence information for including in the downlink synchronous signal pair
Answer arrangement set；
It determines in the preset corresponding relationship, the corresponding networking mode of the corresponding sequence set is the base station
Networking mode.
10. a kind of base station characterized by comprising
Transceiver, for sending downlink synchronous signal, wherein including being used to indicate the base station in the downlink synchronous signal
The sequence information of networking mode.
11. base station according to claim 10, which is characterized in that the downlink synchronous signal be downlink primary synchronization signal or
Downlink secondary synchronization signal.
12. base station according to claim 10, which is characterized in that the base station further include:
Processor, for determining according to the corresponding relationship between preset different networking modes and corresponding sequence information
The sequence information of the networking mode of the base station；
Wherein the networking mode is independence networking SA, dependent networking NSA, simultaneously includes SA and NSA, but with NSA it is preferential or
Person includes simultaneously SA+NSA, but preferential with SA.
13. base station according to claim 12, which is characterized in that preset difference networking mode and corresponding sequence
In corresponding relationship between information, different networking modes respectively correspond different arrangement sets, include extremely in each arrangement set
A few sequence information；
Wherein, the processor is specifically used for:
Determine corresponding sequence set corresponding with the networking mode of the base station；
The wherein sequence information in the corresponding sequence set is selected as the sequence that is used to indicate the networking mode of the base station
Information.
14. base station according to claim 12 or 13, which is characterized in that it is preset difference networking modes with it is corresponding
Corresponding relationship between sequence information includes that the first corresponding relationship that corresponding downlink primary synchronization signal is sent and corresponding downlink are auxiliary same
Walk the second corresponding relationship that signal is sent.
15. a kind of terminal characterized by comprising
Transceiver, for receiving downlink synchronous signal, wherein including the networking for being used to indicate base station in the downlink synchronous signal
The sequence information of mode；
Processor, for determining the networking mode for sending the base station of the downlink synchronous signal according to the sequence information.
16. terminal according to claim 15, which is characterized in that the downlink synchronous signal be downlink primary synchronization signal or
Downlink secondary synchronization signal.
17. terminal according to claim 15, which is characterized in that the processor is specifically used for: according to preset
Corresponding relationship between different networking modes and corresponding sequence information determines the networking mode of the base station.
18. terminal according to claim 17, which is characterized in that preset difference networking mode and corresponding sequence
In corresponding relationship between information, different networking modes respectively correspond different arrangement sets, include extremely in each arrangement set
A few sequence information；
The processor also particularly useful for:
It determines in the preset corresponding relationship, belonging to the sequence information for including in the downlink synchronous signal pair
Answer arrangement set；
It determines in the preset corresponding relationship, the corresponding networking mode of the corresponding sequence set is the base station
Networking mode.
19. a kind of base station, including memory, processor and it is stored on the memory and can runs on the processor
Computer program；It is synchronized as described in claim any one of 1-5 it is characterized in that, the processor is realized when executing described program
The method that signal is sent.
20. a kind of terminal, including memory, processor and it is stored on the memory and can runs on the processor
Computer program；It is synchronized as claim in any one of claims 6-9 it is characterized in that, being realized when the processor executes described program
The method that signal is sent.
21. 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 as described in any one of Claims 1 to 5 in the method for synchronization signal transmission is realized when execution or realizes that such as right is wanted
The step in method for asking any one of 6-9 synchronization signal to send.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US11930455B2 (en) | 2019-05-16 | 2024-03-12 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Method for controlling network connection, terminal and non-transitory storage medium |
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| CN113411863B (en) * | 2020-03-16 | 2022-08-30 | 中国电信股份有限公司 | Network access method, user terminal and communication system |
| CN114845358A (en) * | 2021-02-02 | 2022-08-02 | 成都鼎桥通信技术有限公司 | Networking mode access method, device, equipment and storage medium |
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Application publication date: 20190212 |