CN103916923B - The method, apparatus and system that terminal redirects under a kind of multimode network state - Google Patents
The method, apparatus and system that terminal redirects under a kind of multimode network state Download PDFInfo
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- CN103916923B CN103916923B CN201310001122.8A CN201310001122A CN103916923B CN 103916923 B CN103916923 B CN 103916923B CN 201310001122 A CN201310001122 A CN 201310001122A CN 103916923 B CN103916923 B CN 103916923B
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Abstract
The invention discloses the method, apparatus and system that terminal under a kind of multimode network state redirects, main contents include：Network side is in the neighboring community that terminal is currently located serving cell, search the RAT information of the standard information match for the communication network supported with the terminal, and determining RAT information is ranked up according to the priority of setting, RAT information after sequence is carried and is sent to terminal in redirecting message, the RAT information of multiple network standard after terminal sorts according to network side in this way quickly positions the frequency point information of redirection, it reduces and the probability that single redirection RAT information causes terminal to redirect failure is provided in the prior art, it shortens terminal and redirects the time, improve the business satisfaction of user.
Description
Technical field
The present invention relates to the sides that terminal under wireless communication field more particularly to a kind of multimode network state redirects
Method, equipment and system.
Background technology
Occur terminal for the incomplete covering problem of communication network signal in existing wireless communication field and reset
To technology.
The redirection be for support the terminal of multimode either multi-frequency network under a certain network mode or certain
When carrying out service connection with network side in one frequency band network, due to the network coverage, load sharing or business itself spy
The reasons such as point, the terminal receive the suspension request message of network side transmission, it is desirable that current ongoing service connection is disconnected,
And reconnect to other patterns or the network trunk of other frequency ranges according to the redirection information carried in suspension request message
The mode of continuous execution business.
It can be seen that the main reason for redirecting is：Network signal covers incomplete.Such as：Operator deployment
LTE network and GSM network, wherein LET networks are covered for hot spot, that is to say, that in the regional coverage that portfolio is larger
LTE network signal；And GSM network is used for all region covering.In such a scenario, it is assumed that terminal is in the covering of LTE network signal
In range, service connection is carried out using LTE network, with the movement of terminal, when terminal removes the coverage area of LTE network signal
When, network side, which is sent, redirects message to terminal, and instruction terminal is switched to according to the redirection message received by LTE network
GSM network.
Currently, under multimode network state, there are two ways to terminal redirects：
First method is that the measurement result that network side is reported according to terminal selects a RAT information for terminal, and instruction is eventually
End redirects.
Specifically, first, terminal receives the measurement instruction that network side issues, the measurement under service connected state
Instruction is used to indicate the cell of terminal-pair current service and other adjacent area network signals around present position measure；
Secondly, the network signal of measurement is higher than by terminal when the network signal of current service cell is less than setting thresholding
The adjacent area RAT information of setting thresholding is reported to network side as measurement result；
Wherein, the setting thresholding is the critical value that terminal has access to that network carries out business.
Third, network side are terminal one RAT information of selection according to the measurement result that the terminal received reports, and should
The frequency point information carrying of RAT information is sent to terminal in redirecting message；
4th, terminal disconnects current service connection when receiving the redirection message, according to the frequency point information into
Row redirects, and connects service connection.
It redirects and has the following defects in this way：When terminal is believed according to the frequency point of the RAT information of selection
When breath redirects unsuccessfully, network side needs to be that terminal selects the RAT information redirected again, in this way will be so that terminal is reset
Increase to the time, the performance that business executes declines, and causes the waste of Internet resources.
Second method is that network side is pre-configured with the RAT information of fixed mode network or fixed frequency range to reset
To RAT information, instruction terminal redirects.
Specifically, first, terminal receives the measurement instruction that network side issues, the measurement under service connected state
The subzone network signal that instruction is used to indicate terminal-pair current service measures；
Secondly, terminal sends to redirect to network side and ask when the network signal of current service cell is less than setting thresholding
Seek message；
Wherein, the setting thresholding is the critical value that terminal has access to that network carries out business.
Third, network side according to the standard information of terminal present access network, selected from preset RAT information one with
The RAT information of the network formats information match, and the frequency point information of the RAT information is carried and is sent in redirecting message
Terminal；
4th, terminal disconnects current service connection when receiving the redirection message, according to the frequency point information into
Row redirects, and connects service connection.
Although this mode does not need terminal-pair adjacent area, network signal measures, and reduces and is wanted to terminal self performance
It asks, but redirects still remain following defect in this way：Terminal is according to the RAT information of the redirection of selection
Frequency point information scans for, and can not search the corresponding network signal of RAT information, causes to redirect failure, will make in this way
Terminal redirects efficiency and declines, and increases the time that terminal redirects so that the performance that business executes declines, and causes Internet resources
Waste.
In conclusion in the prior art, there is the redirection RAT information lists obtained in terminal during redirecting
One, the probability that terminal redirects failure is increased, causing terminal to redirect, the time is longer, and business execution performance difference is asked
Topic.
Invention content
An embodiment of the present invention provides the method, apparatus and system that terminal under a kind of multimode network state redirects,
Redirection RAT information for solving to exist during terminal redirects in the prior art acquisition is single, increases end
End redirects the probability of failure, and causing terminal to redirect, the time is longer, the problem of business execution performance difference.
A kind of method that terminal redirects under multimode network state, the method includes：
The communication network that the neighbor cell search for the serving cell that network side is currently located in terminal is supported with the terminal
Standard information match wireless access way RAT information；
Network side is ranked up determining RAT information according to the priority of setting, and the RAT information after sequence is carried
It redirects in message and is sent to terminal, instruction terminal redirects.
A kind of method that terminal redirects under multimode network state, the method includes：
Terminal receives the redirection message that network side issues；
Terminal is redirected according to the redirection message, wherein RAT believes after carrying sequence in the redirection message
Breath.
The equipment that terminal redirects under a kind of multimode network state, including：
Searching module, the neighbor cell search of the serving cell for being currently located in terminal are supported logical with the terminal
The wireless access way RAT information of the standard information match of communication network；
Sort sending module, for being ranked up to determining RAT information according to the priority of setting, after sequence
The carrying of RAT information is sent to terminal in redirecting message, and instruction terminal redirects.
A kind of terminal, including：
Receiving module, the redirection message for receiving network side return；
Redirection module, for being redirected according to the redirection message, wherein carried in the redirection message
RAT information.
The system that terminal redirects under a kind of multimode network state, including：
Network side is communicated for being searched in the neighboring community for the serving cell that terminal is currently located with terminal support
The wireless access way RAT information of the standard information match of network and according to the priority of setting to determining RAT information into
Row sequence, the RAT information after sequence is carried and is sent to terminal in redirecting message, instruction terminal redirects；
Terminal, the redirection message for receiving network side return, redirects according to the redirection message.
The present invention has the beneficial effect that：
Network side is searched and whole in the adjacent Target cell of the serving cell that terminal is currently located in the embodiment of the present invention
The RAT information of the standard information match of communication network is supported at end, and is carried out to determining RAT information according to the priority of setting
RAT information after sequence is carried and is sent to terminal in redirecting message by sequence, and instruction terminal redirects, so eventually
The frequency point information redirected is held to be no longer limited to a kind of fixed network formats, but it is a variety of after sorting according to network side
The RAT information of network formats quickly positions the frequency point information of redirection, reduces and provides single redirection RAT in the prior art
Information causes terminal to redirect the probability of failure, shortens terminal and redirects the time, improves the business satisfaction of user.
Description of the drawings
The flow chart for the method that Fig. 1 redirects for terminal under a kind of multimode network state of the embodiment of the present invention one；
The flow chart for the method that Fig. 2 redirects for terminal under a kind of multimode network state of the embodiment of the present invention two；
Fig. 3 is the schematic diagram that terminal determines redirection information；
The structural representation for the equipment that Fig. 4 redirects for terminal under a kind of multimode network state of the embodiment of the present invention three
Figure；
Fig. 5 is a kind of structural schematic diagram of terminal of the embodiment of the present invention four；
The structural schematic diagram for the system that Fig. 6 redirects for terminal under a kind of multimode network state of the present embodiment six.
Specific implementation mode
In order to achieve the object of the present invention, an embodiment of the present invention provides terminals under a kind of multimode network state to be reset
To method, apparatus and system, by network side in the adjacent Target cell of the serving cell that terminal is currently located, search with
Terminal support communication network standard information match RAT information, and according to the priority of setting to determining RAT information into
Row sequence, the RAT information after sequence is carried and is sent to terminal in redirecting message, instruction terminal redirects.
Compared with prior art, the frequency point information that terminal redirects is no longer limited to a kind of fixed network formats,
But the RAT information of the multiple network standard after sorting according to network side quickly positions the frequency point information of redirection, reduces existing
Have and the probability that single redirection RAT information causes terminal to redirect failure be provided in technology, shortens terminal and redirect the time,
Improve the business satisfaction of user.
Various embodiments of the present invention are described in detail with reference to the accompanying drawings of the specification.
Embodiment one：
As shown in Figure 1, for the method that redirects of terminal under a kind of multimode network state of the embodiment of the present invention one
Flow chart, the method includes：
Step 101：Network side is searched and is supported with the terminal in the neighboring community for the serving cell that terminal is currently located
The wireless access way RAT information of the standard information match of communication network.
Wherein, the frequency point information of RAT information is contained in the RAT information, one RAT information corresponds to multiple frequency points
Information.
Such as：When RAT information is to access the information of TD-LTE, corresponding frequency point information can be LTEFDD1800MHz,
It can also be LTE FDD2600MHz.
In a step 101, network side occurs to determine what terminal was currently located when business between terminal and network side
Serving cell, and the serving cell that terminal is currently located is detected, determine the network resource utilization of current service cell
When higher, the standard information that communication network is supported with the terminal is searched in the neighboring community that terminal is currently located serving cell
The wireless access way RAT information to match.
The neighboring community for the serving cell that the terminal is currently located：The cell that business is currently executed with terminal is same network
System, with network formats and the different cell of frequency point information；Or currently executed with terminal business cell be same network system,
The cell of different network formats；Or it is the cell of different network systems that the cell of business is currently executed with terminal.
More preferably, it is before terminal searches RAT information in network side, the method further includes：Receive the survey that terminal is sent
Amount report.
Wherein, the standard information that terminal supports communication network is contained in the measurement report.
Specifically, it is following two to support that the mode of the standard information of communication network is not limited to for network side acquisition terminal：
First way：When service connection is established in terminal access to communication networks, preparation, active reporting itself supports communication
The standard information of network, wherein described to support that the standard information of communication network includes：The standard information of 2G networks（Such as：GSM
Standard information）, 3G network standard information（Such as：TD-SCDMA standards information, WCDMA standards information or CDMA2000 systems
Formula information）, TD-LTE networks standard information etc..
Network side is receiving when supporting the standard information of communication network comprising terminal of terminal transmission, terminal is supported logical
The standard information preservation of communication network is in local, and to terminal sending measuring control instruction.
Wherein：The measurement control instruction is used to indicate terminal when carrying out service connection, monitors current service cell
Signal quality（Such as：Signal strength etc.）.
More preferably, terminal is when determining that the network signal quality of serving cell being currently accessed is less than the thresholding of setting, to
Network side sends measurement report.
Wherein, the thresholding of setting is the critical condition that terminal has access to present communications network.
The second way：After terminal access to communication networks, establishing service connection, according to the instruction information pair of network side
The signal quality of own services cell is detected, and sends measurement report to network side, and terminal will support the system of communication network
The carrying of formula information is sent to network side in measurement report.
Specifically, terminal can carry the frequency point of the RAT information and RAT information of serving cell in the measurement report
Information, network side determine what terminal was currently located according to the RAT information of the serving cell received and the frequency point information of RAT information
Serving cell.
Network side is searched in the neighboring community that terminal is currently located serving cell supports communication network with the terminal
The wireless access way RAT information of standard information match.
Such as：Assuming that the RAT information of serving cell A and the frequency point information of RAT information where present terminal are LTE
There are B cells, C cells and D cells in the neighboring community of FDD1800MHz, A cell, wherein the RAT information of B cells and RAT information
Frequency point information is the RAT information of LTE FDD2600MHz, C cells and the frequency point information of RAT information is GSM1800MHz, D cells
RAT information and RAT information frequency point information be TD-SCDMA2600MHz, and terminal support communication network standard information be
GSM network and TD-LTE networks.
When terminal the signal quality for measuring A cells less than setting thresholding when, by carry A cells RAT information and
The measurement report of the frequency point information of RAT information is sent to network side；When network side receives the measurement report, in the corresponding clothes of A
The RAT information with GSM network and TD-LTE networks matches is searched in neighboring community's B, C and D cell for cell of being engaged in, and is determined available
Include the RAT information of the RAT information and access TD-LTE networks of access GSM network in the RAT information accessed again, wherein：It connects
The corresponding frequency point information of RAT information for entering GSM network includes：GSM1800MHz；The RAT information for accessing TD-LTE networks is corresponding
Frequency point information includes：LTE FDD1800MHz and LTE FDD2600MHz.
Step 102：Determining RAT information is ranked up according to the priority of setting.
Wherein, the priority conditions of the setting can change according to actual needs, not limit here.
Such as：Determining RAT information includes：Access the RAT information of 2G networks（Such as：GSM standard information）, access 3G nets
The RAT information of network（Such as：TD-SCDMA standards information, WCDMA standards information or CDMA2000 standard information）, access TD-
The RAT information of LTE network；
Priority conditions are the network bandwidths of networks with different systems；
Therefore, determining RAT information is ranked up according to the priority of setting, according to the sequence of priority from high to low
It is followed successively by：The RAT information of TD-LTE networks, the RAT information of 3G network, the RAT information of 2G networks.
It is still illustrated by taking the example in step 101 as an example, when determining RAT information is to access the RAT information of GSM network
With access TD-LTE networks RAT information, then the result being ranked up to determining RAT information is：Access TD-LTE networks
RAT information prior to access GSM network RAT information.
In addition to this, network side can currently execute the service rate of business according to mobile subscriber terminal, for determining RAT
Information is ranked up, and the service rate that business is currently executed with mobile subscriber is closer, and the priority of corresponding RAT information is got over
It is high；Conversely, the priority of corresponding RAT information is lower.
Such as：It is VOD service that terminal, which currently executes business, and 3G network can meet the rate of VOD service
It is required that therefore, the priority of the RAT message of determining 3G network can be set to highest；
It is speech business that terminal, which currently executes business, and 2G networks can meet the rate requirement of speech business, therefore, can be incited somebody to action
The priority of the RAT message of determining 2G networks is set as highest.
In this manner it is achieved that effective shunting of the terminal to accessing consolidated network, saves more networks resource to other ends
End uses, and improves the utilization rate of Internet resources.
Further, network side can also be arranged according to the load condition of the determining corresponding communication network of RAT information
Sequence, wherein network load is smaller, and the priority of corresponding RAT information is higher；Conversely, network load is bigger, corresponding RAT letters
The priority of breath is lower.
In this way, by the way that RAT message to be distributed to different priority, terminal may be implemented when redirecting, quickly really
Surely the network redirected, reduce high load capacity network operating pressure, improve terminal access speed, realize network between load it is equal
Weighing apparatus property.
More preferably, when containing the corresponding frequency point information of multiple RAT information in the RAT information, network side root first
A kind of corresponding multiple frequency point informations of RAT information are ranked up according to the condition of setting, using the frequency point information after sequence as this
RAT information aggregates.
Specifically, such as：One RAT information corresponds to multiple frequency point informations：The corresponding LTE FDD1800MHz of LTE information and
LTE FDD2600MHz two frequency bins information determines that the priority of LTE FDD1800MHz is higher, then LTE according to imposing a condition
Information aggregate { LTE FDD1800MHz are better than LTE FDD2600MHz }.
Secondly, obtained multiple RAT information aggregates are ranked up according to the priority of setting.
Wherein, the setting condition can rule of thumb information determines, is not specifically limited here.
Such as：Assuming that the RAT information found includes：2G information aggregates, 3G information aggregates and LTE information aggregates, then
The ranking results obtained according to the priority conditions set as：LTE information aggregates are better than 3G information aggregates, and 3G information aggregates are better than
2G information aggregates.
Step 103：RAT information after sequence is carried and is sent to terminal in redirecting message.
Wherein, it sends the purpose for redirecting message and is that instruction terminal redirects.
In step 103, after determining RAT information is ranked up by network side, determine that each RAT information is corresponding
The carrying that puts in order of determining RAT information and RAT information is sent to terminal by frequency point information in redirecting message.
By the scheme of embodiment one, the frequency point information that terminal redirects is no longer limited to a kind of fixed network system
Formula, but the RAT information of the multiple network standard after sorting according to network side quickly positions the frequency point information of redirection, reduces
The probability that single redirection RAT information causes terminal to redirect failure is provided in the prior art, when shortening terminal redirection
Between, improve the business satisfaction of user.
Embodiment two：
As shown in Fig. 2, for the method that redirects of terminal under a kind of multimode network state of the embodiment of the present invention two
Flow chart, the method includes：
Step 201：Terminal receives the redirection message that network side issues.
In step 201, terminal executes industry before receiving the redirection message that network side issues in access current network
When business connection, following two operations can be executed：
The first mode of operation：First, the measurement report that network side issues is received, the measurement report instruction terminal is to current
The network information quality of the serving cell of access is monitored.
Secondly, terminal is when the network signal quality for determining the serving cell being currently accessed is less than the thresholding of setting, to net
Network side sends measurement report.
Wherein：The setting thresholding is the critical condition of terminal access current network.
Mode of operation in second：First, terminal is in service connection, the network signal matter to the serving cell being currently accessed
Amount measures.
Secondly, when determining that the network signal quality for the serving cell being currently accessed is less than the thresholding of setting, terminal generates
Measurement report, and it is sent to network side, wherein the standard letter of the communication network of terminal support is contained in the measurement report
Breath.
Step 202：Terminal receives the redirection message that network side is sent, and is redirected according to the redirection message.
Wherein, RAT information is carried in the redirection message, the RAT information is that network side is currently located in terminal
The RAT information of the standard information match that communication network is supported with the terminal searched of serving cell, and according to setting
What priority obtained after being ranked up to determining RAT information.
In step 202, before terminal redirects, the method further includes：From the redirection message received
Select a frequency point information that can be redirected.
Specifically, terminal puts in order according to RAT information in message is redirected, and is directed in a RAT information successively
Multiple frequency point informations execute following operation, until being determined to the frequency point information redirected：
Select unmeasured frequency point information in the RAT information；
Target cell measurement is carried out according to the frequency point information, determines the network letter of the corresponding Target cell of the frequency point information
Number quality；
Whether determining network signal quality is judged not less than the threshold value set, if so, determining that the frequency point information is
The frequency point information that can be redirected；Otherwise, the frequency point information continued to execute in RAT information measures operation.
Specifically, first, terminal selects a RAT information, wherein the RAT information satisfaction of selection is not monitored and is
It is current to redirect highest priority in message.
Secondly, for the RAT message, following operation is executed respectively, as shown in figure 3, determining redirection information for terminal
Schematic diagram：
The first step：Select unmeasured frequency point information in the RAT information.
In the first step, in the frequency point information in selecting the RAT information, can also continue according to by the frequency point information
Sequence, according to the sequential selection frequency point information of arrangement.
Specifically, the frequency point information selected each time is that sequence rank is higher and unmeasured frequency point information.
Second step：Target cell measurement is carried out according to the frequency point information, determines the corresponding Target cell of the frequency point information
Network signal quality.
Third walks：Determining network signal quality is judged whether not less than the threshold value set, if so, determining the frequency point
Information is the frequency point information that can be redirected；Otherwise, the frequency point information continued to execute in RAT information measures operation.
Therefore, as long as terminal monitoring is suitble to can redirecting for access to network signal quality, business is re-established
Connection.
In this way, terminal need not blindly measure the RAT information received, it ensure that terminal is redirected into
The probability of work(reduces and redirects the required time, improves user experience.
It should be noted that not determining energy after terminal all detects the RAT message in the redirection message
When being enough in the frequency point information of redirection, terminal enters without service zone state, starts cell searching periodically and is believed with timely recovery
Number.
Embodiment three：
As shown in figure 4, for the equipment that redirects of terminal under a kind of multimode network state of the embodiment of the present invention three
Structural schematic diagram, the equipment include：Searching module 11 and sequence sending module 12, wherein：
Searching module 11, the neighbor cell search of the serving cell for being currently located in terminal are supported with the terminal
The wireless access way RAT information of the standard information match of communication network；
Sort sending module 12, for being ranked up to determining RAT information according to the priority of setting, after sequence
The carrying of RAT information is sent to terminal in redirecting message, and instruction terminal redirects.
Wherein, the priority of the setting：It is determined according to the network bandwidth size of networks with different systems.
The neighboring community for the serving cell that the terminal is currently located：The cell that business is currently executed with terminal is same network
System, with network formats and the different cell of frequency point information；Or currently executed with terminal business cell be same network system,
The cell of different network formats；Or it is the cell of different network systems that the cell of business is currently executed with terminal.
The corresponding frequency point information of RAT information is contained in the RAT information.
The sequence sending module 12 is specifically used for a kind of corresponding multiple frequency points of RAT information according to the condition of setting
Information is ranked up, using the frequency point information after sequence as the RAT information aggregates, and it is more to what is obtained according to the priority of setting
A RAT information aggregates are ranked up.
More preferably, the equipment further includes：Receiving module 13, wherein：
Receiving module 13, for searching wirelessly connecing for the standard information match for the communication network supported with the terminal
Before entering mode RAT information, the measurement report that terminal reports is received, the communication network of terminal support is contained in the measurement report
The standard information of network.
Example IV：
As shown in figure 5, a kind of structural schematic diagram of terminal for the embodiment of the present invention four, the terminal include：Receive mould
Block 21 and redirection module 22, wherein：
Receiving module 21, the redirection message for receiving network side return；
Redirection module 22, for being redirected according to the redirection message, wherein carried in the redirection message
RAT information.
More preferably, the terminal further includes：Signal monitoring module 23, wherein：
Signal monitoring module 23, for before receiving the redirection message that issues of network side, when service connection, to current
The network signal quality of the serving cell of access measures, and when the network signal quality for determining the serving cell being currently accessed
Less than setting thresholding when, generate measurement report, and be sent to network side, wherein contain terminal branch in the measurement report
The standard information for the communication network held.
The terminal further includes：Frequency point information determining module 24, wherein：
Frequency point information determining module 24 disappears after receiving the redirection message that network side returns according to the redirection
Before breath redirects, according to putting in order for RAT information, the multiple frequency point informations being directed in a RAT information successively are held
The following operation of row, until being determined to the frequency point information redirected：
Select unmeasured frequency point information in the RAT information；
Target cell measurement is carried out according to the frequency point information, determines the network letter of the corresponding Target cell of the frequency point information
Number quality；
Whether determining network signal quality is judged not less than the threshold value set, if so, determining that the frequency point information is
The frequency point information that can be redirected；Otherwise, the frequency point information continued to execute in RAT information measures operation.
More preferably, multiple frequency point informations after sequence are contained in one RAT information；
The frequency point determining module 24 is specifically used for selecting in the RAT information sequence rank higher and unmeasured frequency
Point information.
Embodiment five：
As shown in fig. 6, the structure of the system redirected for terminal under a kind of multimode network state of the present embodiment six
Schematic diagram, the system comprises：
Network side 31 is supported to lead to for searching in the neighboring community for the serving cell that terminal is currently located with the terminal
The wireless access way RAT information of the standard information match of communication network, and according to the priority of setting to determining RAT information
It is ranked up, the RAT information after sequence is carried and is sent to terminal in redirecting message, instruction terminal redirects；
Terminal 32, the redirection message for receiving network side return, redirects according to the redirection message.
Specifically, the terminal 32 is specifically used in service connection, the network signal to the serving cell being currently accessed
Quality measures, and when determining that the network signal quality for the serving cell being currently accessed is less than the thresholding of setting, generates and surveys
Amount report, and it is sent to network side, wherein the standard information of the communication network of terminal support is contained in the measurement report.
The terminal 32 is directed to multiple in a RAT information successively specifically for putting in order according to RAT information
Frequency point information executes following operation, until being determined to the frequency point information redirected：
Select unmeasured frequency point information in the RAT information；
Target cell measurement is carried out according to the frequency point information, determines the network letter of the corresponding Target cell of the frequency point information
Number quality；
Whether determining network signal quality is judged not less than the threshold value set, if so, determining that the frequency point information is
The frequency point information that can be redirected；Otherwise, the frequency point information continued to execute in RAT information measures operation.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art
God and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to include these modifications and variations.
Claims (19)
1. a kind of method that terminal redirects under multimode network state, which is characterized in that including：
The system for the communication network that the neighbor cell search for the serving cell that network side is currently located in terminal is supported with the terminal
The wireless access way RAT information of formula information match；
Network side is ranked up determining RAT information according to the priority of setting, and the RAT information carrying after sequence is being reset
Terminal is sent into message, instruction terminal redirects；
Wherein, network side occurs to determine the serving cell that terminal is currently located when business between terminal and network side, and to end
It holds the serving cell being currently located to be detected, when determining that the network resource utilization of current service cell is higher, works as in terminal
It is searched in the neighboring community of preceding place serving cell and supports the wireless of standard information match of communication network to connect with the terminal
Enter mode RAT information；
Network side currently executes the service rate of business according to mobile subscriber terminal, is ranked up for determining RAT information, with shifting
Employ family currently execute business service rate it is closer, the priority of corresponding RAT information is higher；Conversely, corresponding RAT
The priority of information is lower；
Network side is ranked up also according to the load condition of the determining corresponding communication network of RAT information, wherein network load is got over
Small, the priority of corresponding RAT information is higher；Conversely, network load is bigger, the priority of corresponding RAT information is lower.
2. the method as described in claim 1, which is characterized in that network side is searching the communication network supported with the terminal
Before the wireless access way RAT information of standard information match, the method further includes：
Network side receives the measurement report that terminal reports, and the standard of the communication network of terminal support is contained in the measurement report
Information.
3. the method as described in claim 1, which is characterized in that the neighboring community for the serving cell that the terminal is currently located：
The cell that business is currently executed from terminal is same network system, with network formats and the different cell of frequency point information；Or with end
The current cell for executing business in end is same network system, the cell of different network formats；Or currently execute business with terminal
Cell is the cell of different network systems.
4. the method as described in claim 1, which is characterized in that contain the corresponding frequency point letter of RAT information in the RAT information
Breath；
Network side is ranked up determining RAT information according to the priority of setting, specifically includes：
A kind of corresponding multiple frequency point informations of RAT information are ranked up by network side according to the condition of setting, by the frequency after sequence
Point information is as the RAT information aggregates；
Network side is ranked up obtained multiple RAT information aggregates according to the priority of setting.
5. the method as described in claim 1, which is characterized in that the terminal supports that the standard information of communication network includes：GSM
At least one of the network information, TD-SCDMA network information, the WCDMA network informations and TD-LTE network informations network formats
Information.
6. method as described in claim 1 or 4, which is characterized in that the priority of the setting：According to networks with different systems
Network bandwidth size determines.
7. a kind of method that terminal redirects under multimode network state, which is characterized in that including：
Terminal receives the redirection message that network side issues, wherein network side occurs true when business between terminal and network side
Determine the serving cell that terminal is currently located, and the serving cell that terminal is currently located is detected, determines current service cell
Network resource utilization it is higher when, searched in the neighboring community that terminal is currently located serving cell supported with the terminal it is logical
The wireless access way RAT information of the standard information match of communication network；Network side currently executes industry according to mobile subscriber terminal
The service rate of business is ranked up for determining RAT information, and the service rate that business is currently executed with mobile subscriber is closer
, the priority of corresponding RAT information is higher；Conversely, the priority of corresponding RAT information is lower；Network side is also according to determination
The load condition of the corresponding communication network of RAT information be ranked up, wherein network load is smaller, corresponding RAT information it is excellent
First grade is higher；Conversely, network load is bigger, the priority of corresponding RAT information is lower；
Terminal is redirected according to the redirection message, wherein RAT information after sequence is carried in the redirection message.
8. the method for claim 7, which is characterized in that before terminal receives the redirection message that network side issues, institute
The method of stating further includes：
In service connection, the network signal quality of the serving cell to being currently accessed measures terminal；
When determining that the network signal quality for the serving cell being currently accessed is less than the thresholding of setting, terminal generates measurement report,
And it is sent to network side, wherein the standard information of the communication network of terminal support is contained in the measurement report.
9. the method for claim 7, which is characterized in that after terminal receives the redirection message that network side returns, root
Before being redirected according to the redirection message, the method further includes：
Terminal puts in order according to RAT information, and the multiple frequency point informations being directed to successively in a RAT information execute following behaviour
Make, until being determined to the frequency point information redirected：
Select unmeasured frequency point information in the RAT information；
Target cell measurement is carried out according to the frequency point information, determines the network signal matter of the corresponding Target cell of the frequency point information
Amount；
Determining network signal quality is judged whether not less than the threshold value set, if so, the determining frequency point information is can
The frequency point information redirected；Otherwise, the frequency point information continued to execute in RAT information measures operation.
10. method as claimed in claim 9, which is characterized in that contain multiple frequencies after sequence in one RAT information
Point information；
Unmeasured frequency point information in the RAT information is selected, is specifically included：
The rank that selects to sort in the RAT information is higher and unmeasured frequency point information.
11. the equipment that terminal redirects under a kind of multimode network state, which is characterized in that including：
Searching module, the communication network that the neighbor cell search of the serving cell for being currently located in terminal is supported with the terminal
Business occurs between terminal and network side for the wireless access way RAT information of the standard information match of network, wherein network side
When determine serving cell that terminal is currently located, and the serving cell that terminal is currently located is detected, determines current service
When the network resource utilization of cell is higher, searched and the terminal branch in the neighboring community that terminal is currently located serving cell
Hold the wireless access way RAT information of the standard information match of communication network；
Sort sending module, and for being ranked up to determining RAT information according to the priority of setting, the RAT after sequence is believed
Breath carries and is sent to terminal in redirecting message, and instruction terminal redirects, wherein network side is according to mobile subscriber terminal
The current service rate for executing business, is ranked up for determining RAT information, and the business speed of business is currently executed with mobile subscriber
Rate is closer, and the priority of corresponding RAT information is higher；Conversely, the priority of corresponding RAT information is lower；Network side is also
It is ranked up according to the load condition of the determining corresponding communication network of RAT information, wherein network load is smaller, corresponding RAT
The priority of information is higher；Conversely, network load is bigger, the priority of corresponding RAT information is lower.
12. equipment as claimed in claim 11, which is characterized in that the equipment further includes：
Receiving module, for the wireless access way in the standard information match for searching the communication network supported with the terminal
Before RAT information, the measurement report that terminal reports is received, the system of the communication network of terminal support is contained in the measurement report
Formula information.
13. equipment as claimed in claim 11, which is characterized in that the serving cell that the terminal is currently located it is adjacent small
Area：The cell that business is currently executed from terminal is same network system, with network formats and the different cell of frequency point information；Or with
The cell that terminal currently executes business is same network system, the cell of different network formats；Or currently execute business with terminal
Cell be different network systems cell.
14. equipment as claimed in claim 11, which is characterized in that contain the corresponding frequency point of RAT information in the RAT information
Information；
The sequence sending module, be specifically used for according to the condition of setting by a kind of corresponding multiple frequency point informations of RAT information into
Row sequence, using the frequency point information after sequence as the RAT information aggregates, and according to the priority of setting to obtained multiple RAT
Information aggregate is ranked up.
15. a kind of terminal, which is characterized in that including：
Receiving module, the redirection message for receiving network side return, wherein network side occurs between terminal and network side
The serving cell that terminal is currently located is determined when business, and the serving cell that terminal is currently located is detected, and is determined current
When the network resource utilization of serving cell is higher, searched and the end in the neighboring community that terminal is currently located serving cell
Support the wireless access way RAT information of the standard information match of communication network in end；Network side is worked as according to mobile subscriber terminal
The service rate of preceding execution business is ranked up for determining RAT information, the service rate of business is currently executed with mobile subscriber
Closer, the priority of corresponding RAT information is higher；Conversely, the priority of corresponding RAT information is lower；Network side also root
It is ranked up according to the load condition of the determining corresponding communication network of RAT information, wherein network load is smaller, corresponding RAT letters
The priority of breath is higher；Conversely, network load is bigger, the priority of corresponding RAT information is lower；
Redirection module, for being redirected according to the redirection message, wherein carry RAT in the redirection message
Information.
16. terminal as claimed in claim 15, which is characterized in that the terminal further includes：
Signal monitoring module, for before receiving the redirection message that issues of network side, when service connection, to what is be currently accessed
The network signal quality of serving cell measures, and is set when determining that the network signal quality for the serving cell being currently accessed is less than
When fixed thresholding, measurement report is generated, and be sent to network side, wherein the logical of terminal support is contained in the measurement report
The standard information of communication network.
17. terminal as claimed in claim 15, which is characterized in that the terminal further includes：
Frequency point information determining module carries out after receiving the redirection message that network side returns according to the redirection message
Before redirection, according to putting in order for RAT information, the multiple frequency point informations execution being directed to successively in a RAT information is following
Operation, until being determined to the frequency point information redirected：
Select unmeasured frequency point information in the RAT information；
Target cell measurement is carried out according to the frequency point information, determines the network signal matter of the corresponding Target cell of the frequency point information
Amount；
Determining network signal quality is judged whether not less than the threshold value set, if so, the determining frequency point information is can
The frequency point information redirected；Otherwise, the frequency point information continued to execute in RAT information measures operation.
18. terminal as claimed in claim 17, which is characterized in that contained in one RAT information multiple after sequence
Frequency point information；
The frequency point determining module is specifically used for selecting in the RAT information sequence rank higher and unmeasured frequency point information.
19. the system that terminal redirects under a kind of multimode network state, which is characterized in that including：
Network side supports communication network for being searched in the neighboring community for the serving cell that terminal is currently located with the terminal
Standard information match wireless access way RAT information, and determining RAT information is arranged according to the priority of setting
RAT information after sequence is carried and is sent to terminal in redirecting message by sequence, and instruction terminal redirects, wherein network
Side occurs to determine the serving cell that terminal is currently located when business between terminal and network side, and to clothes that terminal is currently located
Business cell is detected, and when determining that the network resource utilization of current service cell is higher, serving cell is currently located in terminal
Neighboring community in search with the terminal support communication network standard information match wireless access way RAT information；
Network side currently executes the service rate of business according to mobile subscriber terminal, is ranked up for determining RAT information, is used with mobile
The service rate that family currently executes business is closer, and the priority of corresponding RAT information is higher；Conversely, corresponding RAT information
Priority it is lower；Network side is ranked up also according to the load condition of the determining corresponding communication network of RAT information, wherein
Network load is smaller, and the priority of corresponding RAT information is higher；Conversely, network load is bigger, corresponding RAT information it is preferential
Grade is lower；
Terminal, the redirection message for receiving network side return, redirects according to the redirection message.
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| CN201310001122.8A CN103916923B (en) | 2013-01-04 | 2013-01-04 | The method, apparatus and system that terminal redirects under a kind of multimode network state |
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| CN201310001122.8A CN103916923B (en) | 2013-01-04 | 2013-01-04 | The method, apparatus and system that terminal redirects under a kind of multimode network state |
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| CN105657753A (en) * | 2014-12-08 | 2016-06-08 | 中国移动通信集团山东有限公司 | Method and device for redirecting among systems |
| CN105848237B (en) * | 2015-01-16 | 2019-05-10 | 中国移动通信集团广东有限公司 | Obtain the method and device of the 2G measurement frequency point of circuit domain dropping CSFB |
| CN104883703B (en) * | 2015-06-19 | 2019-02-01 | 宇龙计算机通信科技(深圳)有限公司 | Control method, system and the terminal of network formats |
| US10085181B2 (en) * | 2015-07-29 | 2018-09-25 | Qualcomm Incorporated | Mechanism to avoid ping pong during inter radio access technology redirection failure |
| CN106488407B (en) * | 2015-08-25 | 2020-04-17 | 中国移动通信集团公司 | Cell selection method and device |
| CN106255157B (en) * | 2016-04-22 | 2019-06-28 | 重庆邮电大学 | A method of redirection process between optimization multimode user terminal mode |
| CN108260159B (en) * | 2016-12-29 | 2020-05-15 | 大唐移动通信设备有限公司 | Different system service self-adaptive switching method and base station |
| CN109392059B (en) * | 2017-08-04 | 2020-12-04 | 中国移动通信有限公司研究院 | Network selection method, configuration method, terminal equipment and network side equipment |
| CN111669790A (en) * | 2019-03-08 | 2020-09-15 | 中国移动通信有限公司研究院 | Cell reselection or redirection method, device, network side equipment and terminal |
| CN111757357B (en) * | 2020-07-10 | 2022-05-24 | Oppo广东移动通信有限公司 | Redirection method, network and terminal equipment, communication system and readable storage medium |
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