CN110474728A - A kind of synchronization message sends the selection method and terminal of carrier wave - Google Patents
A kind of synchronization message sends the selection method and terminal of carrier wave Download PDFInfo
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- CN110474728A CN110474728A CN201810447819.0A CN201810447819A CN110474728A CN 110474728 A CN110474728 A CN 110474728A CN 201810447819 A CN201810447819 A CN 201810447819A CN 110474728 A CN110474728 A CN 110474728A
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- carrier wave
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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Abstract
The present invention provides selection methods and terminal that a kind of synchronization message sends carrier wave, when solution UE is configured in transmission synchronization message on the synchronous reference carrier wave of selection, the problem of will appear the case where there is no synchronous reference carrier waves, and then causing UE that can not determine the carrier wave for sending synchronization message.The method of the embodiment of the present invention includes: to select a synchronization message to send carrier wave in available sync carrier set；It is sent in the synchronization message of selection and sends synchronization message on carrier wave.Rule is selected to choose a carrier wave as synchronization message transmission carrier wave according to different in the embodiment of the present invention, it and is not centainly to select synchronous reference carrier wave as synchronization message to send carrier wave, it solves UE to be configured on the synchronous reference carrier wave of selection when sending synchronization message, the problem of UE can not determine the carrier wave for sending synchronization message.
Description
Technical field
The present invention relates to the technical field of communications applications more particularly to a kind of synchronization message send carrier wave selection method and
Terminal.
Background technique
In 3GPP RAN#74 meeting, determines and introduce CA (Carrier in V2X (vehicle to everything)
Aggregation, carrier wave polymerization), support that multicarrier is sent.
In 3GPP RAN1#92bis meeting, under state of carrier aggregation, UE (User Equipment, user equipment,
Also referred to as terminal) synchronization message how is sent, including (it is same to lead directly to link to SLSS by SideLink Synchronization Signal
Walk signal) and PSBCH (Physical Sidelink Broadcast Channel leads directly to link broadcast channel) message shape
One of two ways can be supported according to UE ability at conclusion:
Mode 1:UE is sending SLSS from the synchronous reference carrier wave selected in Set-B, according to R14 mechanism；
Mode 2:UE sends SLSS on all carrier waves in Set-B；
Wherein, Set-B be terminal according to itself current carrier case for carrying out carrier wave polymerization, determine from Set-A can
Sync carrier set；Wherein, Set-A be network side configure or be pre-configured can be used for carrying out carrier wave polymerization send and/
Or it can be used for synchronous carrier set in received carrier wave.
If UE transmitting capacity is limited, which carrier wave in Set-B is selected to send SLSS depending on UE realization.
Then, if UE is configured the transmission that employing mode 1 synchronizes message, if current UE is equal on all carrier waves
Directly synchronous with GNSS (Global Navigation Satellite System, Global Satellite Navigation System) or current UE
It is directly synchronous with eNB on all carrier waves, then synchronous reference carrier wave can not be selected in Set-B, thus synchronized from sending
From the point of view of message, it will be unable to determine the carrier wave for sending synchronization message since there is no synchronous reference carrier wave, the UE of selection.
On the other hand, even if there are the synchronous reference carrier wave of selection, due under current mechanism, the selection of synchronous reference carrier wave
To be semi-static or static, reference carrier gravity treatment whether is synchronized when synchronous reference signal is lost and is realized depending on UE.When
UE is configured on the synchronous reference carrier wave of selection and sends synchronization message, then may cause for the angle of system, part UE
(such as R14UE) can not get the case where higher priority sync information, and (R15UE is sent out on the carrier wave for only sending R15 business
Send synchronization message).
Summary of the invention
The purpose of the present invention is to provide selection methods and terminal that a kind of synchronization message sends carrier wave, to solve UE quilt
When network side configures or is pre-configured to be in transmission synchronization message on the synchronous reference carrier wave of selection, it may appear that synchronous reference is not present
The case where carrier wave, so cause UE can not determine send synchronization message carrier wave the problem of.
To achieve the goals above, the present invention provides the selection method that a kind of synchronization message sends carrier wave, it is applied to eventually
End, comprising:
A synchronization message is selected to send carrier wave in available sync carrier set；
It is sent in the synchronization message of selection and sends synchronization message on carrier wave.
It is wherein, described after the step of sending synchronization message on the synchronization message transmission carrier wave of selection, further includes:
When meeting the gravity treatment trigger condition of synchronization message transmission carrier wave, reselects a synchronization message and send carrier wave.
Wherein, described the step of selecting a synchronization message to send carrier wave in available sync carrier set, comprising:
The synchronous reference carrier wave will be selected from the available sync carrier set to send out as the synchronization message
Send carrier wave.
Wherein, described the step of selecting a synchronization message to send carrier wave in available sync carrier set, comprising:
A carrier wave is randomly choosed in the available sync carrier set as the synchronization message sends carrier wave.
Wherein, described the step of selecting a synchronization message to send carrier wave in available sync carrier set, comprising:
When different synchronization message transmission bandwidths can be configured on different carrier waves, in the available sync carrier set
It is middle that the smallest target carrier of synchronization message transmission bandwidth is selected to send carrier wave as the synchronization message.
Wherein, described that the smallest target carrier of synchronization message transmission bandwidth is selected in the available sync carrier set
Carrier wave is sent as the synchronization message, comprising:
There are when at least two target carriers in the available sync carrier set, from least two mesh
It marks in carrier wave, the smallest target carrier of frequency is selected to send carrier wave as the synchronization message；Alternatively, from least two mesh
It marks in carrier wave, randomly chooses a target carrier as the synchronization message and send carrier wave.
Wherein, described the step of selecting a synchronization message to send carrier wave in available sync carrier set, comprising:
In the available sync carrier set, selects the smallest carrier wave of frequency to send as the synchronization message and carry
Wave.
Wherein, described the step of selecting a synchronization message to send carrier wave in available sync carrier set, comprising:
According to the first priority of synchronization signal on each carrier wave, to second of the carrier wave in available sync carrier set
Priority is ranked up；First priority is the highest priority of synchronization signal in single carrier wave, second priority
The priority of carrier wave selection is sent for synchronization message in available sync carrier set；
In carrier wave after sequence, determine that N number of carrier wave of the second highest priority, N are positive integer；
In remaining carrier wave in the available sync carrier set in addition to N number of carrier wave, one is randomly choosed
Carrier wave sends carrier wave as the synchronization message.
Wherein, it when meeting the gravity treatment trigger condition of synchronization message transmission carrier wave, reselects a synchronization message and sends
The step of carrier wave, comprising:
When terminal can't detect Global Satellite Navigation System GNSS synchronization signal, reselects a synchronization message and send
Carrier wave；
Alternatively, reselecting one together when terminal has selected synchronous reference carrier wave or reselects synchronous reference carrier wave
It walks message and sends carrier wave；
Alternatively, reselecting a synchronization message when terminal has redefined available sync carrier set and sending carrier wave；
Alternatively, reselecting one when the numerical value of the counter for counting synchronization message transmission times is default value
Synchronization message sends carrier wave, and the counter is that network side is configured or is pre-configured；
Alternatively, according to the first priority of synchronization signal on each carrier wave, to the carrier wave in available sync carrier set
The second priority be ranked up；If synchronization message sends the sequence of the second priority of carrier wave before the second highest priority
In N number of, then reselect a synchronization message and send carrier wave, the priority of each carrier wave refers to the synchronization signal of each carrier wave
Highest priority, first priority are the highest priority of synchronization signal in single carrier wave, and second priority is can
Synchronization message sends the priority of carrier wave selection in sync carrier set, and N is positive integer.
To achieve the goals above, the embodiment of the invention also provides a kind of terminals, comprising: transceiver, memory, processing
Device and storage are on a memory and the program that can run on a processor, the processor realize following walk when executing described program
It is rapid:
A synchronization message is selected to send carrier wave in available sync carrier set；
It is sent in the synchronization message of selection and synchronization message is sent by the transceiver on carrier wave.
Wherein, following steps be can also be achieved when the processor executes described program:
When meeting the gravity treatment trigger condition of synchronization message transmission carrier wave, reselects a synchronization message and send carrier wave.
Wherein, following steps be can also be achieved when the processor executes described program:
The synchronous reference carrier wave will be selected from the available sync carrier set to send out as the synchronization message
Send carrier wave.
Wherein, following steps be can also be achieved when the processor executes described program:
A carrier wave is randomly choosed in the available sync carrier set as the synchronization message sends carrier wave.
Wherein, following steps be can also be achieved when the processor executes described program:
When different synchronization message transmission bandwidths can be configured on different carrier waves, in the available sync carrier set
It is middle that the smallest target carrier of synchronization message transmission bandwidth is selected to send carrier wave as the synchronization message.
Wherein, following steps be can also be achieved when the processor executes described program:
There are when at least two target carriers in the available sync carrier set, from least two mesh
It marks in carrier wave, the smallest target carrier of frequency is selected to send carrier wave as the synchronization message；Alternatively, from least two mesh
It marks in carrier wave, randomly chooses a target carrier as the synchronization message and send carrier wave.
Wherein, following steps be can also be achieved when the processor executes described program:
In the available sync carrier set, selects the smallest carrier wave of frequency to send as the synchronization message and carry
Wave.
Wherein, following steps be can also be achieved when the processor executes described program:
According to the first priority of synchronization signal on each carrier wave, to second of the carrier wave in available sync carrier set
Priority is ranked up；First priority is the highest priority of synchronization signal in single carrier wave, second priority
The priority of carrier wave selection is sent for synchronization message in available sync carrier set；
In carrier wave after sequence, determine that N number of carrier wave of the second highest priority, N are positive integer；
In remaining carrier wave in the available sync carrier set in addition to N number of carrier wave, one is randomly choosed
Carrier wave sends carrier wave as the synchronization message.
Wherein, following steps be can also be achieved when the processor executes described program:
When terminal can't detect Global Satellite Navigation System GNSS synchronization signal, reselects a synchronization message and send
Carrier wave；
Alternatively, reselecting one together when terminal has selected synchronous reference carrier wave or reselects synchronous reference carrier wave
It walks message and sends carrier wave；
Alternatively, reselecting a synchronization message when terminal has redefined available sync carrier set and sending carrier wave；
Alternatively, reselecting one when the numerical value of the counter for counting synchronization message transmission times is default value
Synchronization message sends carrier wave, and the counter is that network side is configured or is pre-configured；
Alternatively, according to the first priority of synchronization signal on each carrier wave, to the carrier wave in available sync carrier set
The second priority be ranked up；If synchronization message sends the sequence of the second priority of carrier wave before the second highest priority
In N number of, then reselect a synchronization message and send carrier wave, the priority of each carrier wave refers to the synchronization signal of each carrier wave
Highest priority, first priority are the highest priority of synchronization signal in single carrier wave, and second priority is can
Synchronization message sends the priority of carrier wave selection in sync carrier set, and N is positive integer.
To achieve the goals above, it the embodiment of the invention also provides a kind of computer readable storage medium, stores thereon
There is computer program, which realizes that synchronization message as described above sends the selection method of carrier wave when being executed by processor
The step of.
To achieve the goals above, the embodiment of the invention also provides a kind of terminals, comprising:
Selecting module, for selecting a synchronization message to send carrier wave in available sync carrier set；
Sending module sends synchronization message on carrier wave for sending in the synchronization message of selection.
Wherein, above-mentioned terminal, further includes:
Module is reselected, for reselecting one when meeting the gravity treatment trigger condition of synchronization message transmission carrier wave
Synchronization message sends carrier wave.
Wherein, the selecting module is used to selected the synchronous reference from the available sync carrier set and carries
Wave sends carrier wave as the synchronization message.
Wherein, described to reselect module, for can't detect Global Satellite Navigation System GNSS synchronization signal when terminal
When, it reselects a synchronization message and sends carrier wave；
Alternatively, reselecting one together when terminal has selected synchronous reference carrier wave or reselects synchronous reference carrier wave
It walks message and sends carrier wave；
Alternatively, reselecting a synchronization message when terminal has redefined available sync carrier set and sending carrier wave；
Alternatively, reselecting one when the numerical value of the counter for counting synchronization message transmission times is default value
Synchronization message sends carrier wave, and the counter is that network side is configured or is pre-configured；
Alternatively, according to the first priority of synchronization signal on each carrier wave, to the carrier wave in available sync carrier set
The second priority be ranked up；If synchronization message sends the sequence of the second priority of carrier wave before the second highest priority
In N number of, then reselect a synchronization message and send carrier wave, the priority of each carrier wave refers to the synchronization signal of each carrier wave
Highest priority, first priority are the highest priority of synchronization signal in single carrier wave, and second priority is can
Synchronization message sends the priority of carrier wave selection in sync carrier set, and N is positive integer.
The embodiment of the present invention has the advantages that
The above-mentioned technical proposal of the embodiment of the present invention selects a synchronization message to send in available sync carrier set
Carrier wave；It is sent in the synchronization message of selection and sends synchronization message on carrier wave.According to different selections in the embodiment of the present invention
Rule chooses a carrier wave as synchronization message and sends carrier wave, and is not centainly to select synchronous reference carrier wave as synchronization message
Carrier wave is sent, synchronous reference carrier wave may be selected as the synchronization message when such as there is synchronous reference carrier wave and send carrier wave, not
There are when synchronous reference carrier wave, can randomly choose a synchronous reference carrier wave or selection bandwidth minimum or the selection the smallest load of frequency
Wave sends carrier wave as synchronization message, solves UE and is configured on the synchronous reference carrier wave of selection when sending synchronization message, UE
The problem of can not determining the carrier wave for sending synchronization message.
Detailed description of the invention
Fig. 1 is the flow diagram that the synchronization message of the embodiment of the present invention sends the selection method of carrier wave；
Fig. 2 is the structural block diagram of the terminal of the embodiment of the present invention；
Fig. 3 is the module diagram of the terminal of the 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 specific implementation
Example and attached drawing are described in detail.
Currently, the synchronous method of 3GPP R15 carrier wave polymerization, the synchronization scheme for having formed conclusion are as follows:
(1) high-rise configuration can be used for synchronous carrier wave (Set-A)；
If Set-A is empty set, then the synchronizing process of R14 is independently executed on each carrier；
Wireless access network RAN1 thinks to be polymerize using only the carrier wave of identical synchronous reference, such as GNSS or same
Evolved Node B (eNodeB, also at base station in LTE).
If being configured with Set-A:
Sync carrier must be the carrier subset for carrier wave polymerization；UE based on the carrier case being polymerize at present, from
Available sync carrier (Set-B) is determined in the sync carrier set of high level configuration.
For available sync carrier (Set-B):
If Set-B is empty set, the synchronizing process of R14 is independently executed on each carrier；
If an only sync carrier, using the synchronous reference of the sync carrier as the synchronous reference of all polymerization carrier waves
If there is 2 or more sync carriers, the carrier wave where highest priority synchronization signal should be selected as synchronization by UE
Reference carrier；
Synchronous reference signal synchronizes reference carrier gravity treatment and realizes depending on UE when losing.
However, in above-mentioned mechanism, when UE, which is configured in, sends synchronization message on the synchronous reference carrier wave of selection, it may appear that
The case where there is no synchronous reference carrier waves, so cause UE can not determine send synchronization message carrier wave the problem of.
For this problem, the embodiment provides the selection method that a kind of synchronization message sends carrier wave, it is applied to
Terminal, as shown in Figure 1, the selection method includes:
Step 101: selecting a synchronization message to send carrier wave in available sync carrier set.
Specifically, in the non-multiple loads for being configured or being pre-configured to be in available sync carrier set by network side when terminal
When sending synchronization message on wave, a synchronization message is selected to send carrier wave in available sync carrier set.
The available sync carrier set Set-B be terminal according to itself current carrier case for carrying out carrier wave polymerization, from
The available sync carrier set determined in Set-A；Wherein, Set-A is that network side configures or what is be pre-configured can be used for carrying out
It can be used for synchronous carrier set in carrier wave polymerization transmission and/or received carrier wave.Wherein, the synchronization message of selection sends carrier wave
For the synchronous reference carrier wave in available sync carrier set or it is any one carrier wave in sync carrier set or is same
Step message transmission bandwidth is minimum or is the smallest carrier wave of frequency.
Specifically, working as a terminal carrier wave directly synchronous with GNSS, and being configured in available sync carrier set
When upper transmission synchronization message, a synchronization message is selected to send carrier wave in available sync carrier set.
Step 102: being sent in the synchronization message of selection and send synchronization message on carrier wave.
The synchronization message includes SLSS and PSBCH.
The synchronization message of the embodiment of the present invention sends the selection method of carrier wave, selects one in available sync carrier set
A synchronization message sends carrier wave；It is sent in the synchronization message of selection and sends synchronization message on carrier wave.In the embodiment of the present invention
It selects rule to choose a carrier wave as synchronization message transmission carrier wave according to different, and is not that certain selection synchronous reference carries
Wave sends carrier wave as synchronization message, and synchronous reference carrier wave may be selected when such as there is synchronous reference carrier wave as the synchronization message
Carrier wave is sent, when synchronous reference carrier wave is not present, a synchronous reference carrier wave or selection bandwidth minimum or choosing can be randomly choosed
The smallest carrier wave of frequency is selected as synchronization message and sends carrier wave, UE is solved and is configured on the synchronous reference carrier wave of selection and send
When synchronization message, UE can not determine send synchronization message carrier wave the problem of.
As the first optional implementation, above-mentioned steps 101 include:
The synchronous reference carrier wave will be selected from the available sync carrier set to send out as the synchronization message
Send carrier wave.
There are when synchronous reference carrier wave in the available sync carrier set, the synchronous reference carrier wave of going out will be selected
Carrier wave is sent as the synchronization message.
In a specific embodiment of the present invention, in the available sync carrier set there is no synchronous reference carrier wave or
There are when synchronous reference carrier wave, determine that synchronization message sends carrier wave according to following implementations.
As second of optional implementation, above-mentioned steps 101 include:
A carrier wave is randomly choosed in the available sync carrier set as the synchronization message sends carrier wave.
Specifically, terminal is used described when synchronous reference carrier wave is not present in the available sync carrier set
Sync carrier set in random selection one carrier wave as the synchronization message send carrier wave；
Alternatively, when, there are when synchronous reference carrier wave, terminal is described available same in the available sync carrier set
It walks and randomly chooses a carrier wave in carrier set as synchronization message transmission carrier wave.
Terminal can randomly choose a load according to existing stochastic selection algorithm in the available sync carrier set
Wave sends carrier wave as the synchronization message.
As the third optional implementation, above-mentioned steps 101 include:
When different synchronization message transmission bandwidths can be configured on different carrier waves, in the available sync carrier set
It is middle that the smallest target carrier of synchronization message transmission bandwidth is selected to send carrier wave as the synchronization message.
Specifically, when synchronous reference carrier wave is not present in the available sync carrier set, and can quilt on different carrier waves
When configuring different synchronization message transmission bandwidths, terminal selects synchronization message to send band in the available sync carrier set
The smallest target carrier of width sends carrier wave as the synchronization message；
Alternatively, when there are synchronous reference carrier waves in the available sync carrier set, and can be configured on different carrier waves
When different synchronization message transmission bandwidth, terminal selects synchronization message transmission bandwidth most in the available sync carrier set
Small target carrier sends carrier wave as the synchronization message.
By selecting the smallest target carrier of synchronization message transmission bandwidth as described in available sync carrier set
Synchronization message sends carrier wave, can guarantee the power spectral density that higher synchronization message is sent.
Further, in the available sync carrier set there are when at least two target carriers, from described
In at least two target carriers, the smallest target carrier of frequency is selected to send carrier wave as the synchronization message；Alternatively, from described
In at least two target carriers, a target carrier is randomly choosed as the synchronization message and sends carrier wave.
As the 4th kind of optional implementation, above-mentioned steps 101 include:
In the available sync carrier set, selects the smallest carrier wave of frequency to send as the synchronization message and carry
Wave.
Specifically, terminal is used described when synchronous reference carrier wave is not present in the available sync carrier set
Sync carrier set in, select the smallest carrier wave of frequency as the synchronization message send carrier wave；
Alternatively, when, there are when synchronous reference carrier wave, terminal is described available same in the available sync carrier set
It walks in carrier set, the smallest carrier wave of frequency is selected to send carrier wave as the synchronization message.
As the 5th kind of optional implementation, above-mentioned steps 101 include:
According to the first priority of synchronization signal on each carrier wave, to second of the carrier wave in available sync carrier set
Priority is ranked up；First priority is the highest priority of synchronization signal in single carrier wave, second priority
The priority of carrier wave selection is sent for synchronization message in available sync carrier set；
In carrier wave after sequence, determine that N number of carrier wave of the second highest priority, N are positive integer；
In remaining carrier wave in the available sync carrier set in addition to N number of carrier wave, one is randomly choosed
Carrier wave sends carrier wave as the synchronization message.
Wherein, N is configured or is pre-configured by network side.
Specifically, terminal is according to each load when synchronous reference carrier wave is not present in the available sync carrier set
First priority of synchronization signal on wave, is ranked up the second priority of the carrier wave in available sync carrier set；Institute
The highest priority that the first priority is synchronization signal in single carrier wave is stated, second priority is available sync carrier collection
Synchronization message sends the priority of carrier wave selection in conjunction；In carrier wave after sequence, N number of load of the second highest priority is determined
Wave, N are positive integer；In remaining carrier wave in the available sync carrier set in addition to N number of carrier wave, random selection
One carrier wave sends carrier wave as the synchronization message.
Alternatively, when, there are when synchronous reference carrier wave, terminal is according on each carrier wave in the available sync carrier set
First priority of synchronization signal is ranked up the second priority of the carrier wave in available sync carrier set；Described
One priority is the highest priority of synchronization signal in single carrier wave, and second priority is in available sync carrier set
Synchronization message sends the priority of carrier wave selection；In carrier wave after sequence, determine that N number of carrier wave of the second highest priority, N are
Positive integer；In remaining carrier wave in the available sync carrier set in addition to N number of carrier wave, a load is randomly choosed
Wave sends carrier wave as the synchronization message.
In this implementation, UE is from available sync carrier set (Set-B), to the synchronization signal of each carrier wave
Highest priority is ranked up, and carrier number is denoted as M；According to sequence, the highest N number of carrier wave (N of synchronization signal highest priority is excluded
≤ M-1), later in remaining (M-N) a carrier wave, a carrier wave is randomly choosed as synchronization message and sends carrier wave.
By UE selection, synchronization message sends carrier wave on the lower carrier wave of synchronization message priority, avoids certain in system
Part UE can not persistently receive the case where higher priority sync signal.
Further, after above-mentioned steps 102, further includes:
Step 103: when meeting the gravity treatment trigger condition of synchronization message transmission carrier wave, reselecting a synchronization message hair
Send carrier wave.
For example, synchronous reference carrier wave is not present, when UE has selected synchronous reference when UE selection synchronization message sends carrier wave
When carrier wave, then need to trigger the gravity treatment that synchronization message sends carrier wave, alternatively, synchronizing when UE selection synchronization message sends carrier wave
Message transmission reaches certain number, then triggers the gravity treatment that synchronization message sends carrier wave.
As the first optional implementation, above-mentioned steps 103 include:
When terminal can't detect Global Satellite Navigation System GNSS synchronization signal, reselects a synchronization message and send
Carrier wave.
As second of optional implementation, above-mentioned steps 103 include:
When terminal has selected synchronous reference carrier wave or reselects synchronous reference carrier wave, a synchronization message is reselected
Send carrier wave.
As the third optional implementation, above-mentioned steps 103 include:
When terminal has redefined available sync carrier set, reselects a synchronization message and send carrier wave.
As the 4th kind of optional implementation, above-mentioned steps 103 include:
When numerical value for counting the counter of synchronization message transmission times is default value, reselects one and synchronize and disappear
Breath sends carrier wave, and the counter is that network side is configured or is pre-configured.
The counter for counting synchronization message transmission times is configured or is pre-configured by network side, and initial value is by network side
Configuration is pre-configured, and synchronization message of every transmission, counter subtracts one, and when counter is 0, triggering synchronization message sends carrier wave
Gravity treatment, and reset counter.
As the 5th kind of optional implementation, above-mentioned steps 103 include:
According to the first priority of synchronization signal on each carrier wave, to second of the carrier wave in available sync carrier set
Priority is ranked up；If synchronization message sends the sequence of the second priority of carrier wave in the top n of the second highest priority,
It then reselects a synchronization message and sends carrier wave, the priority of each carrier wave refers to that the highest of the synchronization signal of each carrier wave is excellent
First grade, first priority are the highest priority of synchronization signal in single carrier wave, and second priority is available same
The priority that synchronization message in carrier set sends carrier wave selection is walked, N is positive integer.
Specifically, carrier number is denoted as M in Set-B, the highest priority of the synchronization signal of carrier wave each in Set-B is carried out
Sequence；When send synchronization message carrier wave on highest priority synchronization signal priority ranking in highest top n, N by
Network side configuration is pre-configured, then triggers the gravity treatment that synchronization message sends carrier wave.
The synchronization message of the embodiment of the present invention sends the selection method of carrier wave, selects one in available sync carrier set
A synchronization message sends carrier wave；It is sent in the synchronization message of selection and sends synchronization message on carrier wave；Meeting synchronization message
When sending the gravity treatment trigger condition of carrier wave, reselects a synchronization message and send carrier wave, can solve current mechanism will lead to UE
It is configured on the synchronous reference carrier wave of selection the problem of sending synchronization message but synchronous reference carrier wave is not present, and can avoid
Synchronization message transmission excessively concentrates on partial carrier wave, causes part UE that can not persistently receive higher priority sync under current mechanism
The problem of message.
As shown in Fig. 2, the embodiments of the present invention also provide a kind of terminals, comprising: transceiver, memory, processor and
The program that can be run on a memory and on a processor is stored, the processor performs the steps of when executing described program
A synchronization message is selected to send carrier wave in available sync carrier set；
It is sent in the synchronization message of selection and synchronization message is sent by the transceiver on carrier wave.
Wherein, in Fig. 2, bus architecture may include the bus and bridge of any number of interconnection, specifically by processor 200
The various circuits for the memory that the one or more processors and memory 220 of representative represent link together.Bus architecture is also
Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can be linked together, these are all
It is it is known in the art, therefore, it will not be further described herein.Bus interface provides interface.Transceiver 210 can
To be multiple element, that is, includes transmitter and transceiver, the list for communicating over a transmission medium with various other devices is provided
Member.For different user equipmenies, user interface 230, which can also be, external the interface for needing equipment is inscribed, and connection is set
Standby including but not limited to keypad, display, loudspeaker, microphone, control stick etc..
Processor 200, which is responsible for management bus architecture and common processing, memory 220, can store processor 200 and is holding
Used data when row operation.
Optionally, processor 200 is also used to read the program in memory 220, executes following steps:
When meeting the gravity treatment trigger condition of synchronization message transmission carrier wave, reselects a synchronization message and send carrier wave.
Optionally, processor 200 is also used to read the program in memory 220, executes following steps:
The synchronous reference carrier wave will be selected from the available sync carrier set to send out as the synchronization message
Send carrier wave.
Optionally, processor 200 is also used to read the program in memory 220, executes following steps:
A carrier wave is randomly choosed in the available sync carrier set as the synchronization message sends carrier wave.
Optionally, processor 200 is also used to read the program in memory 220, executes following steps:
When different synchronization message transmission bandwidths can be configured on different carrier waves, in the available sync carrier set
It is middle that the smallest target carrier of synchronization message transmission bandwidth is selected to send carrier wave as the synchronization message.
Optionally, processor 200 is also used to read the program in memory 220, executes following steps:
There are when at least two target carriers in the available sync carrier set, from least two mesh
It marks in carrier wave, the smallest target carrier of frequency is selected to send carrier wave as the synchronization message；Alternatively, from least two mesh
It marks in carrier wave, randomly chooses a target carrier as the synchronization message and send carrier wave.
Optionally, processor 200 is also used to read the program in memory 220, executes following steps:
In the available sync carrier set, selects the smallest carrier wave of frequency to send as the synchronization message and carry
Wave.
Optionally, processor 200 is also used to read the program in memory 220, executes following steps:
According to the first priority of synchronization signal on each carrier wave, to second of the carrier wave in available sync carrier set
Priority is ranked up；First priority is the highest priority of synchronization signal in single carrier wave, second priority
The priority of carrier wave selection is sent for synchronization message in available sync carrier set；
In carrier wave after sequence, determine that N number of carrier wave of the second highest priority, N are positive integer；
In remaining carrier wave in the available sync carrier set in addition to N number of carrier wave, one is randomly choosed
Carrier wave sends carrier wave as the synchronization message.
Optionally, processor 200 is also used to read the program in memory 220, executes following steps:
When terminal can't detect Global Satellite Navigation System GNSS synchronization signal, reselects a synchronization message and send
Carrier wave；
Alternatively, reselecting one together when terminal has selected synchronous reference carrier wave or reselects synchronous reference carrier wave
It walks message and sends carrier wave；
Alternatively, reselecting a synchronization message when terminal has redefined available sync carrier set and sending load
Wave；
Alternatively, reselecting one when the numerical value of the counter for counting synchronization message transmission times is default value
Synchronization message sends carrier wave, and the counter is that network side is configured or is pre-configured；
Alternatively, according to the first priority of synchronization signal on each carrier wave, to the carrier wave in available sync carrier set
The second priority be ranked up；If synchronization message sends the sequence of the second priority of carrier wave before the second highest priority
In N number of, then reselect a synchronization message and send carrier wave, the priority of each carrier wave refers to the synchronization signal of each carrier wave
Highest priority, first priority are the highest priority of synchronization signal in single carrier wave, and second priority is can
Synchronization message sends the priority of carrier wave selection in sync carrier set, and N is positive integer.
In some embodiments of the invention, a kind of computer readable storage medium is additionally provided, calculating is stored thereon with
Machine program, the program perform the steps of when being executed by processor
A synchronization message is selected to send carrier wave in available sync carrier set；
It is sent in the synchronization message of selection and sends synchronization message on carrier wave.
The program is able to achieve the institute in the selection method embodiment of above-mentioned synchronization message transmission carrier wave when being executed by processor
There is implementation, to avoid repeating, details are not described herein again.
As shown in figure 3, the embodiments of the present invention also provide a kind of terminals, comprising:
Selecting module 301, for selecting a synchronization message to send carrier wave in available sync carrier set；
Sending module 302 sends synchronization message on carrier wave for sending in the synchronization message of selection.
The terminal of the embodiment of the present invention, further includes:
Module is reselected, for reselecting one when meeting the gravity treatment trigger condition of synchronization message transmission carrier wave
Synchronization message sends carrier wave.
The terminal of the embodiment of the present invention, the selecting module from the available sync carrier set for that will selected
Synchronous reference carrier wave out sends carrier wave as the synchronization message.
The terminal of the embodiment of the present invention, the selecting module in the available sync carrier set for randomly choosing
One carrier wave sends carrier wave as the synchronization message.
The terminal of the embodiment of the present invention, the selecting module are used to that different synchronization messages can be configured on different carrier waves
When transmission bandwidth, select the smallest target carrier of synchronization message transmission bandwidth as institute in the available sync carrier set
It states synchronization message and sends carrier wave.
The terminal of the embodiment of the present invention, the selecting module are used to exist at least in the available sync carrier set
When two target carriers, from least two target carrier, select the smallest target carrier of frequency as described same
It walks message and sends carrier wave；Alternatively, randomly choosing a target carrier as the synchronization from least two target carrier
Message sends carrier wave.
The terminal of the embodiment of the present invention, the selecting module are used in the available sync carrier set, selection frequency
The smallest carrier wave of rate sends carrier wave as the synchronization message.
The terminal of the embodiment of the present invention, the selecting module include:
Sorting sub-module, for the first priority according to synchronization signal on each carrier wave, to available sync carrier collection
Second priority of the carrier wave in conjunction is ranked up；First priority is that the highest of synchronization signal in single carrier wave is preferential
Grade, second priority are the priority that synchronization message sends carrier wave selection in available sync carrier set；
Determine submodule, in the carrier wave after sequence, determining N number of carrier wave of the second highest priority, N is positive whole
Number；
Submodule is selected, for the remaining carrier wave in the available sync carrier set in addition to N number of carrier wave
In, a carrier wave, which is randomly choosed, as the synchronization message sends carrier wave.
The terminal of the embodiment of the present invention, the module that reselects is for can't detect Global Satellite Navigation System when terminal
When GNSS synchronization signal, reselects a synchronization message and send carrier wave；
Alternatively, reselecting one together when terminal has selected synchronous reference carrier wave or reselects synchronous reference carrier wave
It walks message and sends carrier wave；
Alternatively, reselecting a synchronization message when terminal has redefined available sync carrier set and sending load
Wave；
Alternatively, reselecting one when the numerical value of the counter for counting synchronization message transmission times is default value
Synchronization message sends carrier wave, and the counter is that network side is configured or is pre-configured；
Alternatively, according to the first priority of synchronization signal on each carrier wave, to the carrier wave in available sync carrier set
The second priority be ranked up；If synchronization message sends the sequence of the second priority of carrier wave before the second highest priority
In N number of, then reselect a synchronization message and send carrier wave, the priority of each carrier wave refers to the synchronization signal of each carrier wave
Highest priority, first priority are the highest priority of synchronization signal in single carrier wave, and second priority is can
Synchronization message sends the priority of carrier wave selection in sync carrier set, and N is positive integer.
The terminal of the embodiment of the present invention selects a synchronization message to send carrier wave in available sync carrier set；In
The synchronization message of selection sends and sends synchronization message on carrier wave.It is chosen in the embodiment of the present invention according to different selection rules
One carrier wave sends carrier wave as synchronization message, and is not centainly to select synchronous reference carrier wave to send as synchronization message to carry
Wave may be selected synchronous reference carrier wave as the synchronization message when such as there is synchronous reference carrier wave and send carrier wave, same being not present
Walk reference carrier when, a synchronous reference carrier wave can be randomly choosed or select bandwidth minimum or select the smallest carrier wave of frequency as
Synchronization message sends carrier wave, solves UE and is configured on the synchronous reference carrier wave of selection when sending synchronization message, UE can not be true
Surely the problem of sending the carrier wave of synchronization message.
In various embodiments of the present invention, it should be appreciated that magnitude of the sequence numbers of the above procedures are not meant to execute suitable
Sequence it is successive, the execution of each process sequence should be determined by its function and internal logic, the implementation without coping with the embodiment of the present invention
Process constitutes any restriction.
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, it can also make several improvements and retouch, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (23)
1. a kind of synchronization message sends the selection method of carrier wave, it is applied to terminal characterized by comprising
A synchronization message is selected to send carrier wave in available sync carrier set；
It is sent in the synchronization message of selection and sends synchronization message on carrier wave.
2. the selection method that synchronization message according to claim 1 sends carrier wave, which is characterized in that the institute in selection
After the step of stating transmission synchronization message on synchronization message transmission carrier wave, further includes:
When meeting the gravity treatment trigger condition of synchronization message transmission carrier wave, reselects a synchronization message and send carrier wave.
3. the selection method that synchronization message according to claim 1 sends carrier wave, which is characterized in that described available same
It walks one synchronization message of selection in carrier set and sends carrier wave, comprising:
The synchronous reference carrier wave will be selected from the available sync carrier set and send load as the synchronization message
Wave.
4. the selection method that synchronization message according to claim 1 sends carrier wave, which is characterized in that described available same
It walks one synchronization message of selection in carrier set and sends carrier wave, comprising:
A carrier wave is randomly choosed in the available sync carrier set as the synchronization message sends carrier wave.
5. the selection method that synchronization message according to claim 1 sends carrier wave, which is characterized in that described available same
It walks one synchronization message of selection in carrier set and sends carrier wave, comprising:
When different synchronization message transmission bandwidths can be configured on different carrier waves, selected in the available sync carrier set
The smallest target carrier of synchronization message transmission bandwidth is selected as the synchronization message and sends carrier wave.
6. the selection method that synchronization message according to claim 5 sends carrier wave, which is characterized in that described to be used described
Sync carrier set in select the smallest target carrier of synchronization message transmission bandwidth as the synchronization message send carrier wave, packet
It includes:
There are when at least two target carriers in the available sync carrier set, carried from least two targets
In wave, the smallest target carrier of frequency is selected to send carrier wave as the synchronization message；Alternatively, being carried from least two targets
In wave, a target carrier is randomly choosed as the synchronization message and sends carrier wave.
7. the selection method that synchronization message according to claim 1 sends carrier wave, which is characterized in that described available same
It walks one synchronization message of selection in carrier set and sends carrier wave, comprising:
In the available sync carrier set, the smallest carrier wave of frequency is selected to send carrier wave as the synchronization message.
8. the selection method that synchronization message according to claim 1 sends carrier wave, which is characterized in that described available same
It walks one synchronization message of selection in carrier set and sends carrier wave, comprising:
It is preferential to second of the carrier wave in available sync carrier set according to the first priority of synchronization signal on each carrier wave
Grade is ranked up；First priority is the highest priority of synchronization signal in single carrier wave, and second priority is can
Synchronization message sends the priority of carrier wave selection in sync carrier set；
In carrier wave after sequence, determine that N number of carrier wave of the second highest priority, N are positive integer；
In remaining carrier wave in the available sync carrier set in addition to N number of carrier wave, a carrier wave is randomly choosed
Carrier wave is sent as the synchronization message.
9. the selection method that synchronization message according to claim 2 sends carrier wave, which is characterized in that meeting synchronization message
When sending the gravity treatment trigger condition of carrier wave, a step of synchronization message sends carrier wave is reselected, comprising:
When terminal can't detect Global Satellite Navigation System GNSS synchronization signal, reselects a synchronization message and send load
Wave；
Alternatively, when terminal has selected synchronous reference carrier wave or reselects synchronous reference carrier wave, reselects one and synchronize and disappear
Breath sends carrier wave；
Alternatively, reselecting a synchronization message when terminal has redefined available sync carrier set and sending carrier wave；
Alternatively, reselecting a synchronization when numerical value of the counter for counting synchronization message transmission times is default value
Message sends carrier wave, and the counter is that network side is configured or is pre-configured；
Alternatively, according to the first priority of synchronization signal on each carrier wave, to of the carrier wave in available sync carrier set
Two priority are ranked up；If synchronization message sends top n of the sequence in the second highest priority of the second priority of carrier wave
In, then it reselects a synchronization message and sends carrier wave, the priority of each carrier wave refers to the synchronization signal of each carrier wave most
High priority, first priority are the highest priority of synchronization signal in single carrier wave, and second priority is available
Sync carrier set in synchronization message send carrier wave selection priority, N is positive integer.
10. a kind of terminal, comprising: transceiver, memory, processor and storage can be run on a memory and on a processor
Program, which is characterized in that the processor performs the steps of when executing described program
A synchronization message is selected to send carrier wave in available sync carrier set；
It is sent in the synchronization message of selection and synchronization message is sent by the transceiver on carrier wave.
11. terminal according to claim 10, which is characterized in that the processor can also be achieved when executing described program with
Lower step:
When meeting the gravity treatment trigger condition of synchronization message transmission carrier wave, reselects a synchronization message and send carrier wave.
12. terminal according to claim 10, which is characterized in that the processor can also be achieved when executing described program with
Lower step:
The synchronous reference carrier wave will be selected from the available sync carrier set and send load as the synchronization message
Wave.
13. terminal according to claim 10, which is characterized in that the processor can also be achieved when executing described program with
Lower step:
A carrier wave is randomly choosed in the available sync carrier set as the synchronization message sends carrier wave.
14. terminal according to claim 10, which is characterized in that the processor can also be achieved when executing described program with
Lower step:
When different synchronization message transmission bandwidths can be configured on different carrier waves, selected in the available sync carrier set
The smallest target carrier of synchronization message transmission bandwidth is selected as the synchronization message and sends carrier wave.
15. terminal according to claim 14, which is characterized in that the processor can also be achieved when executing described program with
Lower step:
There are when at least two target carriers in the available sync carrier set, carried from least two targets
In wave, the smallest target carrier of frequency is selected to send carrier wave as the synchronization message；Alternatively, being carried from least two targets
In wave, a target carrier is randomly choosed as the synchronization message and sends carrier wave.
16. terminal according to claim 10, which is characterized in that the processor can also be achieved when executing described program with
Lower step:
In the available sync carrier set, the smallest carrier wave of frequency is selected to send carrier wave as the synchronization message.
17. terminal according to claim 10, which is characterized in that the processor can also be achieved when executing described program with
Lower step:
It is preferential to second of the carrier wave in available sync carrier set according to the first priority of synchronization signal on each carrier wave
Grade is ranked up；First priority is the highest priority of synchronization signal in single carrier wave, and second priority is can
Synchronization message sends the priority of carrier wave selection in sync carrier set；
In carrier wave after sequence, determine that N number of carrier wave of the second highest priority, N are positive integer；
In remaining carrier wave in the available sync carrier set in addition to N number of carrier wave, a carrier wave is randomly choosed
Carrier wave is sent as the synchronization message.
18. terminal according to claim 11, which is characterized in that the processor can also be achieved when executing described program with
Lower step:
When terminal can't detect Global Satellite Navigation System GNSS synchronization signal, reselects a synchronization message and send load
Wave；
Alternatively, when terminal has selected synchronous reference carrier wave or reselects synchronous reference carrier wave, reselects one and synchronize and disappear
Breath sends carrier wave；
Alternatively, reselecting a synchronization message when terminal has redefined available sync carrier set and sending carrier wave；
Alternatively, reselecting a synchronization when numerical value of the counter for counting synchronization message transmission times is default value
Message sends carrier wave, and the counter is that network side is configured or is pre-configured；
Alternatively, according to the first priority of synchronization signal on each carrier wave, to of the carrier wave in available sync carrier set
Two priority are ranked up；If synchronization message sends top n of the sequence in the second highest priority of the second priority of carrier wave
In, then it reselects a synchronization message and sends carrier wave, the priority of each carrier wave refers to the synchronization signal of each carrier wave most
High priority, first priority are the highest priority of synchronization signal in single carrier wave, and second priority is available
Sync carrier set in synchronization message send carrier wave selection priority, N is positive integer.
19. a kind of computer readable storage medium, is stored thereon with computer program, which is characterized in that the computer program quilt
The step of synchronization message sends the selection method of carrier wave as described in any one of claims 1 to 9 is realized when processor executes.
20. a kind of terminal characterized by comprising
Selecting module, for selecting a synchronization message to send carrier wave in available sync carrier set；
Sending module sends synchronization message on carrier wave for sending in the synchronization message of selection.
21. terminal according to claim 20, which is characterized in that further include:
Module is reselected, for reselecting a synchronization when meeting the gravity treatment trigger condition of synchronization message transmission carrier wave
Message sends carrier wave.
22. terminal according to claim 20, which is characterized in that the selecting module is used for will be from the available synchronization
It selected the synchronous reference carrier wave in carrier set and send carrier wave as the synchronization message.
23. terminal according to claim 21, which is characterized in that it is described to reselect module, for being detected not when terminal
When to Global Satellite Navigation System GNSS synchronization signal, reselects a synchronization message and send carrier wave；
Alternatively, when terminal has selected synchronous reference carrier wave or reselects synchronous reference carrier wave, reselects one and synchronize and disappear
Breath sends carrier wave；
Alternatively, reselecting a synchronization message when terminal has redefined available sync carrier set and sending carrier wave；
Alternatively, reselecting a synchronization when numerical value of the counter for counting synchronization message transmission times is default value
Message sends carrier wave, and the counter is that network side is configured or is pre-configured；
Alternatively, according to the first priority of synchronization signal on each carrier wave, to of the carrier wave in available sync carrier set
Two priority are ranked up；If synchronization message sends top n of the sequence in the second highest priority of the second priority of carrier wave
In, then it reselects a synchronization message and sends carrier wave, the priority of each carrier wave refers to the synchronization signal of each carrier wave most
High priority, first priority are the highest priority of synchronization signal in single carrier wave, and second priority is available
Sync carrier set in synchronization message send carrier wave selection priority, N is positive integer.
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