CN103916923A - Method, device and system for redirecting terminal under multimode network state - Google Patents
Method, device and system for redirecting terminal under multimode network state Download PDFInfo
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- CN103916923A CN103916923A CN201310001122.8A CN201310001122A CN103916923A CN 103916923 A CN103916923 A CN 103916923A CN 201310001122 A CN201310001122 A CN 201310001122A CN 103916923 A CN103916923 A CN 103916923A
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Abstract
The invention discloses a method, device and system for redirecting a terminal under the multimode network state. The method mainly comprises the steps that an adjacent cell of a serving cell where the terminal is currently located is searched by the network side for RAT information matched with system information of a communication network supported by the terminal, the determined RAT information is ranked according to preset priority, and the ranked RAT information is carried in redirecting information and sent to the terminal, so that redirected frequency point information is rapidly located by the terminal according to the various network systems of RAT information which is ranked at the network side, the probability of redirecting failure of the terminal due to the fact that the single redirecting RAT information is provided in the prior art is reduced, the terminal redirecting time is shortened, and the service satisfaction degree of users is improved.
Description
Technical field
The present invention relates to wireless communication field, relate in particular to terminal under a kind of multimode network state and carry out redirected method, apparatus and system.
Background technology
At existing wireless communication field, for the incomplete covering problem of communication network signal, there is terminal redirecting technique.
Described being redirected is the terminal for supporting multimode or multi-frequency network; while carrying out service connection with network side under a certain network schemer or in a certain frequency range network; due to reasons such as this network coverage, load sharing or business own characteristics; this terminal receives the suspension request message that network side sends; require to disconnect current ongoing service connection, and reconnect to the mode of the continuous execution business of network trunk of other patterns or other frequency ranges according to the redirection information carrying in suspension request message.
As can be seen here, redirected main cause occurring is: it is incomplete that network signal covers.For example: operator has disposed LTE network and GSM network, wherein, LET network covers for focus, that is to say, at the larger regional coverage LTE network signal of traffic carrying capacity; And GSM network is for all region covering.Under this scene, suppose that terminal is in LTE network signal coverage, utilize LTE network to carry out service connection, along with the movement of terminal, in the time that terminal shifts out the coverage of LTE network signal, network side sends redirect message to terminal, and indicating terminal switches to GSM network according to the redirect message receiving by LTE network.
At present, under multimode network state, terminal is carried out redirected method two kinds:
First method, is that network side is that terminal is selected a RAT information according to the measurement result of terminal to report, and indicating terminal is redirected.
Particularly, first, terminal, under service connected state, receives the measurement instruction that network side issues, and described measurement instruction is used to indicate terminal community and present position other adjacent area network signals around to current service and measures;
Secondly, terminal when setting thresholding, reports network side higher than the adjacent area RAT information of setting thresholding as measurement result using the network signal of measurement at the network signal of current service cell;
Wherein, described setting thresholding is the critical value that terminal can access network be carried out business.
The 3rd, network side is that terminal is selected a RAT information according to the measurement result of the terminal to report that receives, and the frequency point information of this RAT information is carried at and in redirect message, sends to terminal;
The 4th, terminal, in the time receiving this redirect message, disconnects current service connection, is redirected according to described frequency point information, and service connection continues.
Adopt to be redirected in this way and have following defect: in the time that terminal is redirected unsuccessfully according to the frequency point information of this RAT information of selecting, network side need to be again for terminal be selected redirected RAT information, to make like this terminal time of being redirected increase, the hydraulic performance decline that business is carried out, causes the waste of Internet resources.
Second method, is that the RAT information of the pre-configured fixed mode network of network side or fixed frequency range is redirected RAT information, and indicating terminal is redirected.
Particularly, first, terminal, under service connected state, receives the measurement instruction that network side issues, and described measurement instruction is used to indicate terminal the subzone network signal of current service is measured;
Secondly, terminal when setting thresholding, sends redirect request message to network side at the network signal of current service cell;
Wherein, described setting thresholding is the critical value that terminal can access network be carried out business.
The 3rd, network side, according to the standard information of the current access network of terminal, is selected the RAT information matching with this network formats information from default RAT information, and the frequency point information of this RAT information is carried at and in redirect message, sends to terminal;
The 4th, terminal, in the time receiving this redirect message, disconnects current service connection, is redirected according to described frequency point information, and service connection continues.
Although this mode does not need terminal to measure adjacent area network signal, reduce the requirement to terminal self performance, but adopt to be redirected in this way and still have following defect: terminal is searched for according to the frequency point information of the redirected RAT information of selecting, cannot search network signal corresponding to this RAT information, cause being redirected unsuccessfully, to make like this terminal be redirected decrease in efficiency, increase the redirected time of terminal, the hydraulic performance decline that business is carried out, causes the waste of Internet resources.
In sum, in the prior art, terminal carries out in redirected process existing the redirected RAT information of obtaining single, has increased terminal and has been redirected failed probability, causes terminal to be redirected the time longer, the problem that business execution performance is poor.
Summary of the invention
The embodiment of the present invention provides terminal under a kind of multimode network state to carry out redirected method, apparatus and system, carry out existing the redirected RAT information of obtaining single in redirected process for solving prior art terminal, increase terminal and be redirected failed probability, cause terminal to be redirected the time longer, the problem that business execution performance is poor.
Under multimode network state, terminal is carried out a redirected method, and described method comprises:
The wireless access way RAT information that network side matches in the standard information of the neighbor cell search of the Serving cell at the current place of terminal and the communication network of described terminal support;
Network side sorts to definite RAT information according to the priority of setting, and the RAT information after sequence is carried in redirect message and sends to terminal, and indicating terminal is redirected.
Under multimode network state, terminal is carried out a redirected method, and described method comprises:
Terminal receives the redirect message that network side issues;
Terminal is redirected according to this redirect message, wherein, has carried the rear RAT information of sequence in described redirect message.
Under multimode network state, terminal is carried out a redirected equipment, comprising:
Search module, the wireless access way RAT information matching for the standard information of the neighbor cell search of the Serving cell at the current place of terminal and the communication network of described terminal support;
Sequence sending module, for definite RAT information being sorted according to the priority of setting, is carried at the RAT information after sequence in redirect message and sends to terminal, and indicating terminal is redirected.
A kind of terminal, comprising:
Receiver module, the redirect message returning for receiving network side;
Redirection module, for being redirected according to this redirect message, wherein, has carried RAT information in described redirect message.
Under multimode network state, terminal is carried out a redirected system, comprising:
Network side, search with described terminal and support the wireless access way RAT information that the standard information of communication network matches and according to the priority of setting, definite RAT information sorted for the neighbor cell of the Serving cell at the current place of terminal, RAT information after sequence is carried in redirect message and sends to terminal, and indicating terminal is redirected;
Terminal, the redirect message returning for receiving network side, is redirected according to this redirect message.
Beneficial effect of the present invention is as follows:
In the embodiment of the present invention, network side is in adjacent Target cell, the Serving cell at the current place of terminal, search with terminal and support the RAT information that the standard information of communication network matches, and according to the priority of setting, definite RAT information is sorted, RAT information after sequence is carried at and in redirect message, sends to terminal, indicating terminal is redirected, terminal is carried out redirected frequency point information and is no longer confined to a kind of fixing network formats like this, but according to the RAT information of the multiple network standard after the network side sequence redirected frequency point information in location fast, having reduced the redirected RAT information that provides single in prior art causes terminal to be redirected failed probability, shorten terminal and be redirected the time, improve user's business satisfaction.
Accompanying drawing explanation
Fig. 1 is the flow chart that under a kind of multimode network state of the embodiment of the present invention one, terminal is carried out redirected method;
Fig. 2 is the flow chart that under a kind of multimode network state of the embodiment of the present invention two, terminal is carried out redirected method;
Fig. 3 is the schematic diagram that terminal is determined redirection information;
Fig. 4 is the structural representation that under a kind of multimode network state of the embodiment of the present invention three, terminal is carried out redirected equipment;
Fig. 5 is the structural representation of a kind of terminal of the embodiment of the present invention four;
Fig. 6 is the structural representation that under a kind of multimode network state of the present embodiment six, terminal is carried out redirected system.
Embodiment
In order to realize object of the present invention, the embodiment of the present invention provides terminal under a kind of multimode network state to carry out redirected method, apparatus and system, by network side in adjacent Target cell, the Serving cell at the current place of terminal, search with terminal and support the RAT information that the standard information of communication network matches, and according to the priority of setting, definite RAT information is sorted, RAT information after sequence is carried in redirect message and sends to terminal, and indicating terminal is redirected.
Compared with prior art, terminal is carried out redirected frequency point information and is no longer confined to a kind of fixing network formats, but according to the RAT information of the multiple network standard after the network side sequence redirected frequency point information in location fast, having reduced the redirected RAT information that provides single in prior art causes terminal to be redirected failed probability, shorten terminal and be redirected the time, improved user's business satisfaction.
Below in conjunction with Figure of description, various embodiments of the present invention are elaborated.
Embodiment mono-:
As shown in Figure 1, carry out the flow chart of redirected method for terminal under a kind of multimode network state of the embodiment of the present invention one, described method comprises:
Step 101: network side, in the neighbor cell of the Serving cell at the current place of terminal, is searched with described terminal and supported the wireless access way RAT information that the standard information of communication network matches.
Wherein, the frequency point information that has comprised RAT information in described RAT information, the corresponding multiple frequency point information of a described RAT information.
For example: in the time that RAT information is the information of access TD-LTE, corresponding frequency point information can be LTEFDD1800MHz, can also be LTE FDD2600MHz.
In step 101, when network side, between terminal and network side, business occurs, can determine the Serving cell at the current place of terminal, and the Serving cell at the current place of terminal is detected, determine when the network resource utilization of current service cell is higher, in the neighbor cell of Serving cell, the current place of terminal, search with described terminal and support the wireless access way RAT information that the standard information of communication network matches.
The neighbor cell of the Serving cell at the current place of described terminal: be same network system from the community of the current execution business of terminal, with network formats and the different community of frequency point information; Or with the community of the current execution business of terminal be the community of same network system, different network formats; Or with the community of the current execution business of terminal be the community of different network systems.
More preferably, be that before terminal is searched RAT information, described method also comprises at network side: the measurement report that receiving terminal sends.
Wherein, in described measurement report, comprised the standard information of terminal support communication network.
Particularly, network side obtains terminal and supports the mode of standard information of communication network to be not limited to following two kinds:
First kind of way: in the time that service connection is set up in terminal access communications network, preparation, active reporting self is supported the standard information of communication network, wherein, the standard information of described support communication network comprises: the standard information (for example: GSM standard information) of 2G network, standard information (for example: TD-SCDMA standard information, WCDMA standard information or CDMA2000 standard information), the standard information of TD-LTE network etc. of 3G network.
Network side, in the time receiving the standard information that comprises terminal support communication network of terminal transmission, supports the standard information of communication network to be kept at this locality terminal, and to terminal sending measuring control command.
Wherein: described measurement control command is used to indicate terminal in the time carrying out service connection, the signal quality (for example: signal strength signal intensity etc.) of monitoring current service cell.
More preferably, terminal, in the time that the network signal quality of the Serving cell of definite current access is less than the thresholding of setting, sends measurement report to network side.
Wherein, the thresholding of setting is the critical condition that terminal can access Current Communication Network network.
The second way: at terminal access communications network, set up service connection after, according to the indication information of network side, the signal quality of self Serving cell is detected, and sending measurement report to network side, terminal sends to network side by supporting the standard information of communication network to be carried in measurement report.
Particularly, terminal can have been carried the RAT information of Serving cell and the frequency point information of RAT information in described measurement report, and network side is determined the Serving cell at the current place of terminal according to the RAT information of Serving cell receiving and the frequency point information of RAT information.
Network side is searched with described terminal and is supported the wireless access way RAT information that the standard information of communication network matches in the neighbor cell of Serving cell, the current place of terminal.
For example: suppose that the RAT information of Serving cell A at current terminal place and the frequency point information of RAT information are LTE FDD1800MHz, there are B community, C community and D community in the neighbor cell of A community, wherein, the RAT information of B community and the frequency point information of RAT information are LTE FDD2600MHz, the RAT information of C community and the frequency point information of RAT information are GSM1800MHz, the RAT information of D community and the frequency point information of RAT information are TD-SCDMA2600MHz, and terminal supports that the standard information of communication network is GSM network and TD-LTE network.
When terminal at the signal quality that measures A community when setting thresholding, the measurement report that carries the RAT information of A community and the frequency point information of RAT information is sent to network side; When network side receives this measurement report, in neighbor cell B, the C of Serving cell corresponding to A and D community, search the RAT information matching with GSM network and TD-LTE network, determine that the RAT information that can be used for again accessing comprises the RAT information of access GSM network and the RAT information of access TD-LTE network, wherein: the frequency point information corresponding to RAT information of access GSM network comprises: GSM1800MHz; The frequency point information corresponding to RAT information of access TD-LTE network comprises: LTE FDD1800MHz and LTE FDD2600MHz.
Step 102: definite RAT information is sorted according to the priority of setting.
Wherein, the priority conditions of described setting can change according to actual needs, does not limit here.
For example: definite RAT information comprises: the RAT information of the RAT information (for example: GSM standard information) of access 2G network, the RAT information (for example: TD-SCDMA standard information, WCDMA standard information or CDMA2000 standard information) of access 3G network, access TD-LTE network;
Priority conditions is the network bandwidth of networks with different systems;
Therefore, according to the priority of setting, definite RAT information is sorted, be followed successively by according to priority order from high to low: the RAT information of the RAT information of TD-LTE network, the RAT information of 3G network, 2G network.
Still describe as an example of the example in step 101 example, when definite RAT information is the RAT information of access GSM network and the RAT information of access TD-LTE network, the result so definite RAT information being sorted is: the RAT information priority of access TD-LTE network is in the RAT information of access GSM network.
In addition, network side can be according to the service rate of the current execution business of mobile subscriber terminal, and for definite RAT information sorts, more approaching with the service rate of the current execution business of mobile subscriber, the priority of corresponding RAT information is higher; Otherwise the priority of corresponding RAT information is lower.
For example: the current execution business of terminal is VOD service, and 3G network can meet the rate requirement of VOD service, therefore, the priority of the RAT message of 3G network that can be definite is set to the highest;
The current execution business of terminal is speech business, and 2G network can meet the rate requirement of speech business, and therefore, the priority of the RAT message of 2G network that can be definite is set to the highest.
Like this, can achieve a butt joint into effective shunting of the terminal of consolidated network, save more Internet resources and use to other-end, improve the utilance of Internet resources.
Further, network side can also sort according to the load condition of communication network corresponding to definite RAT information, and wherein, offered load is less, and the priority of corresponding RAT information is higher; Otherwise offered load is larger, the priority of corresponding RAT information is lower.
Like this, by RAT message is distributed to different priority, can realize terminal in the time being redirected, determine fast redirected network, reduce the operating pressure of high load capacity network, improve the speed of terminal access, realize the harmony of loading between network.
More preferably, in the time having comprised frequency point information corresponding to multiple RAT information in described RAT information, first network side sorts multiple frequency point information corresponding a kind of RAT information according to the condition of setting, using the frequency point information after sequence as this RAT information aggregate.
Particularly, for example: the corresponding multiple frequency point information of RAT information: two frequency point information of the LTE FDD1800MHz that LTE information is corresponding and LTE FDD2600MHz, determine that according to imposing a condition the priority of LTE FDD1800MHz is higher, { LTE FDD1800MHz is better than LTE FDD2600MHz} to LTE information aggregate so.
Secondly, according to the priority of setting, the multiple RAT information aggregates that obtain are sorted.
Wherein, described in the information that imposes a condition rule of thumb determine, be not specifically limited here.
For example: suppose that the RAT information finding comprises: 2G information aggregate, 3G information aggregate and LTE information aggregate, the ranking results obtaining according to the priority conditions of setting is so: LTE information aggregate is better than 3G information aggregate, and 3G information aggregate is better than 2G information aggregate.
Step 103: the RAT information after sequence is carried at and sends to terminal in redirect message.
Wherein, the object of transmission redirect message is that indicating terminal is redirected.
In step 103, network side is determined the frequency point information that each RAT information is corresponding after definite RAT information is sorted, and putting in order of definite RAT information and RAT information is carried at and in redirect message, sends to terminal.
By the scheme of embodiment mono-, terminal is carried out redirected frequency point information and is no longer confined to a kind of fixing network formats, but according to the RAT information of the multiple network standard after the network side sequence redirected frequency point information in location fast, having reduced the redirected RAT information that provides single in prior art causes terminal to be redirected failed probability, shorten terminal and be redirected the time, improved user's business satisfaction.
Embodiment bis-:
As shown in Figure 2, carry out the flow chart of redirected method for terminal under a kind of multimode network state of the embodiment of the present invention two, described method comprises:
Step 201: terminal receives the redirect message that network side issues.
In step 201, before the redirect message that terminal issues at reception network side, in the time that access current network is carried out service connection, can carry out following two kinds of operations:
The first mode of operation: first, receive the measurement report that network side issues, the network information quality of this Serving cell of measurement report indicating terminal to current access is monitored.
Secondly, terminal, in the time that the network signal quality of the Serving cell of definite current access is less than the thresholding of setting, sends measurement report to network side.
Wherein: described setting thresholding is the critical condition of terminal access current network.
Mode of operation in second: first, terminal is in the time of service connection, and the network signal quality of the Serving cell to current access is measured.
Secondly, in the time determining that the network signal quality of Serving cell of current access is less than the thresholding of setting, terminal generates measurement report, and is sent to network side, wherein, has comprised the standard information of the communication network that terminal supports in described measurement report.
Step 202: terminal receives the redirect message that network side sends, and is redirected according to this redirect message.
Wherein, in described redirect message, carry RAT information, described RAT information be network side search in the Serving cell at the current place of terminal support with described terminal the RAT information that the standard information of communication network matches, and obtain after definite RAT information being sorted according to the priority of setting.
In step 202, before terminal is redirected, described method also comprises: from the redirect message receiving, select one can carry out redirected frequency point information.
Particularly, terminal puts in order according to RAT information in redirect message, carries out following operation successively for the multiple frequency point information in a RAT information, can carry out redirected frequency point information until definite:
Select unmeasured frequency point information in this RAT information;
Carry out Target cell measurement according to described frequency point information, determine the network signal quality of Target cell corresponding to this frequency point information;
Judge whether definite network signal quality is not less than the threshold value of setting, if so, determine that this frequency point information is to carry out redirected frequency point information; Otherwise the frequency point information that continues to carry out in RAT information is measured operation.
Particularly, first, terminal is selected a RAT information, and wherein, the RAT information of selection meets monitors and be that current redirect message medium priority is the highest.
Secondly, for this RAT message, carry out respectively following operation, as shown in Figure 3, for terminal is determined the schematic diagram of redirection information:
The first step: select unmeasured frequency point information in this RAT information.
In the first step, in the time of the frequency point information of selecting in this RAT information, can also be according to described frequency point information be continued to sequence, according to the selective sequential frequency point information of arranging.
Particularly, the frequency point information of selecting is each time the higher and unmeasured frequency point information of sequence rank.
Second step: carry out Target cell measurement according to described frequency point information, determine the network signal quality of Target cell corresponding to this frequency point information.
The 3rd step: judge whether definite network signal quality is not less than the threshold value of setting, if so, determine that this frequency point information is to carry out redirected frequency point information; Otherwise the frequency point information that continues to carry out in RAT information is measured operation.
Therefore,, as long as terminal monitoring is applicable to can being redirected of access to network signal quality, re-establish the connection of business.
Like this, terminal does not need blindly the RAT information receiving to be measured, and has guaranteed that terminal is redirected successful probability, has reduced and has been redirected the needed time, has improved user's experience.
It should be noted that, after terminal all detects the RAT message in described redirect message, do not determine while can be used in redirected frequency point information, terminal enters without service area state, starts periodically Cell searching with timely restoring signal.
Embodiment tri-:
As shown in Figure 4, carry out the structural representation of redirected equipment for terminal under a kind of multimode network state of the embodiment of the present invention three, described equipment comprises: search module 11 and sequence sending module 12, wherein:
Search module 11, the wireless access way RAT information matching for the standard information of the neighbor cell search of the Serving cell at the current place of terminal and the communication network of described terminal support;
Sequence sending module 12, for definite RAT information being sorted according to the priority of setting, is carried at the RAT information after sequence in redirect message and sends to terminal, and indicating terminal is redirected.
Wherein, the priority of described setting: determine according to the network bandwidth size of networks with different systems.
The neighbor cell of the Serving cell at the current place of described terminal: be same network system from the community of the current execution business of terminal, with network formats and the different community of frequency point information; Or with the community of the current execution business of terminal be the community of same network system, different network formats; Or with the community of the current execution business of terminal be the community of different network systems.
In described RAT information, comprise frequency point information corresponding to RAT information.
Described sequence sending module 12, specifically for multiple frequency point information corresponding a kind of RAT information being sorted according to the condition of setting, using the frequency point information after sequence as this RAT information aggregate, and according to the priority of setting, the multiple RAT information aggregates that obtain are sorted.
More preferably, described equipment also comprises: receiver module 13, wherein:
Receiver module 13, for before searching the wireless access way RAT information matching with the standard information of the communication network of described terminal support, the measurement report that receiving terminal reports, has comprised the standard information of the communication network that terminal supports in described measurement report.
Embodiment tetra-:
As shown in Figure 5, be the structural representation of a kind of terminal of the embodiment of the present invention four, described terminal comprises: receiver module 21 and redirection module 22, wherein:
Receiver module 21, the redirect message returning for receiving network side;
Redirection module 22, for being redirected according to this redirect message, wherein, has carried RAT information in described redirect message.
More preferably, described terminal also comprises: signal monitoring module 23, wherein:
Signal monitoring module 23, before the redirect message issuing at reception network side, when service connection, the network signal quality of the Serving cell to current access is measured, and in the time determining that the network signal quality of Serving cell of current access is less than the thresholding of setting, generate measurement report, and be sent to network side, wherein, in described measurement report, comprised the standard information of the communication network of terminal support.
Described terminal also comprises: frequency point information determination module 24, wherein:
Frequency point information determination module 24, after receiving the redirect message that network side returns, before being redirected according to this redirect message, according to putting in order of RAT information, carry out following operation for the multiple frequency point information in a RAT information successively, can carry out redirected frequency point information until definite:
Select unmeasured frequency point information in this RAT information;
Carry out Target cell measurement according to described frequency point information, determine the network signal quality of Target cell corresponding to this frequency point information;
Judge whether definite network signal quality is not less than the threshold value of setting, if so, determine that this frequency point information is to carry out redirected frequency point information; Otherwise the frequency point information that continues to carry out in RAT information is measured operation.
More preferably, the multiple frequency point information after sequence in a described RAT information, have been comprised;
Described frequency determination module 24, the higher and unmeasured frequency point information specifically for the rank of selecting to sort in this RAT information.
Embodiment five:
As shown in Figure 6, carry out the structural representation of redirected system for terminal under a kind of multimode network state of the present embodiment six, described system comprises:
Network side 31, search with described terminal and support the wireless access way RAT information that the standard information of communication network matches for the neighbor cell of the Serving cell at the current place of terminal, and according to the priority of setting, definite RAT information is sorted, RAT information after sequence is carried in redirect message and sends to terminal, and indicating terminal is redirected;
Terminal 32, the redirect message returning for receiving network side, is redirected according to this redirect message.
Particularly, described terminal 32, specifically for when the service connection, the network signal quality of the Serving cell to current access is measured, in the time determining that the network signal quality of Serving cell of current access is less than the thresholding of setting, generate measurement report, and be sent to network side, wherein, in described measurement report, comprised the standard information of the communication network of terminal support.
Described terminal 32, specifically for according to the putting in order of RAT information, carries out following operation for the multiple frequency point information in a RAT information successively, until determine and can carry out redirected frequency point information:
Select unmeasured frequency point information in this RAT information;
Carry out Target cell measurement according to described frequency point information, determine the network signal quality of Target cell corresponding to this frequency point information;
Judge whether definite network signal quality is not less than the threshold value of setting, if so, determine that this frequency point information is to carry out redirected frequency point information; Otherwise the frequency point information that continues to carry out in RAT information is measured operation.
Obviously, those skilled in the art can carry out various changes and modification and not depart from the spirit and scope of the present invention the present invention.Like this, if within of the present invention these are revised and modification belongs to the scope of the claims in the present invention and equivalent technologies thereof, the present invention is also intended to comprise these changes and modification interior.
Claims (19)
1. under multimode network state, terminal is carried out a redirected method, it is characterized in that, comprising:
The wireless access way RAT information that network side matches in the standard information of the neighbor cell search of the Serving cell at the current place of terminal and the communication network of described terminal support;
Network side sorts to definite RAT information according to the priority of setting, and the RAT information after sequence is carried in redirect message and sends to terminal, and indicating terminal is redirected.
2. the method for claim 1, is characterized in that, network side is before searching the wireless access way RAT information matching with the standard information of the communication network of described terminal support, and described method also comprises:
The measurement report that network side receiving terminal reports, has comprised the standard information of the communication network that terminal supports in described measurement report.
3. the method for claim 1, is characterized in that, the neighbor cell of the Serving cell at the current place of described terminal: be same network system from the community of the current execution business of terminal, with network formats and the different community of frequency point information; Or with the community of the current execution business of terminal be the community of same network system, different network formats; Or with the community of the current execution business of terminal be the community of different network systems.
4. the method for claim 1, is characterized in that, has comprised frequency point information corresponding to RAT information in described RAT information;
Network side sorts to definite RAT information according to the priority of setting, and specifically comprises:
Network side sorts multiple frequency point information corresponding a kind of RAT information according to the condition of setting, using the frequency point information after sequence as this RAT information aggregate;
Network side sorts to the multiple RAT information aggregates that obtain according to the priority of setting.
5. the method for claim 1, is characterized in that, described terminal supports the standard information of communication network to comprise: at least one the network formats information in the GSM network information, the TD-SCDMA network information, the WCDMA network information and the TD-LTE network information.
6. the method as described in claim 1 or 4, is characterized in that, the priority of described setting: determine according to the network bandwidth size of networks with different systems.
7. under multimode network state, terminal is carried out a redirected method, it is characterized in that, comprising:
Terminal receives the redirect message that network side issues;
Terminal is redirected according to this redirect message, wherein, has carried the rear RAT information of sequence in described redirect message.
8. method as claimed in claim 7, is characterized in that, before the redirect message that terminal reception network side issues, described method also comprises:
Terminal is in the time of service connection, and the network signal quality of the Serving cell to current access is measured;
In the time determining that the network signal quality of Serving cell of current access is less than the thresholding of setting, terminal generates measurement report, and is sent to network side, wherein, has comprised the standard information of the communication network that terminal supports in described measurement report.
9. method as claimed in claim 7, is characterized in that, after the redirect message that terminal reception network side returns, before being redirected according to this redirect message, described method also comprises:
Terminal puts in order according to RAT information, carries out following operation successively for the multiple frequency point information in a RAT information, can carry out redirected frequency point information until definite:
Select unmeasured frequency point information in this RAT information;
Carry out Target cell measurement according to described frequency point information, determine the network signal quality of Target cell corresponding to this frequency point information;
Judge whether definite network signal quality is not less than the threshold value of setting, if so, determine that this frequency point information is to carry out redirected frequency point information; Otherwise the frequency point information that continues to carry out in RAT information is measured operation.
10. method as claimed in claim 9, is characterized in that, has comprised the multiple frequency point information after sequence in a described RAT information;
Select unmeasured frequency point information in this RAT information, specifically comprise:
Higher and the unmeasured frequency point information of the rank of selecting to sort in this RAT information.
Under 11. 1 kinds of multimode network states, terminal is carried out redirected equipment, it is characterized in that, comprising:
Search module, the wireless access way RAT information matching for the standard information of the neighbor cell search of the Serving cell at the current place of terminal and the communication network of described terminal support;
Sequence sending module, for definite RAT information being sorted according to the priority of setting, is carried at the RAT information after sequence in redirect message and sends to terminal, and indicating terminal is redirected.
12. equipment as claimed in claim 11, is characterized in that, described equipment also comprises:
Receiver module, for before searching the wireless access way RAT information matching with the standard information of the communication network of described terminal support, the measurement report that receiving terminal reports, has comprised the standard information of the communication network that terminal supports in described measurement report.
13. equipment as claimed in claim 11, is characterized in that, the neighbor cell of the Serving cell at the current place of described terminal: be same network system from the community of the current execution business of terminal, with network formats and the different community of frequency point information; Or with the community of the current execution business of terminal be the community of same network system, different network formats; Or with the community of the current execution business of terminal be the community of different network systems.
14. equipment as claimed in claim 11, is characterized in that, have comprised frequency point information corresponding to RAT information in described RAT information;
Described sequence sending module, specifically for multiple frequency point information corresponding a kind of RAT information being sorted according to the condition of setting, using the frequency point information after sequence as this RAT information aggregate, and according to the priority of setting, the multiple RAT information aggregates that obtain are sorted.
15. 1 kinds of terminals, is characterized in that, comprising:
Receiver module, the redirect message returning for receiving network side;
Redirection module, for being redirected according to this redirect message, wherein, has carried RAT information in described redirect message.
16. terminals as claimed in claim 15, is characterized in that, described terminal also comprises:
Signal monitoring module, before the redirect message issuing at reception network side, when service connection, the network signal quality of the Serving cell to current access is measured, and in the time determining that the network signal quality of Serving cell of current access is less than the thresholding of setting, generate measurement report, and be sent to network side, wherein, in described measurement report, comprised the standard information of the communication network of terminal support.
17. terminals as claimed in claim 15, is characterized in that, described terminal also comprises:
Frequency point information determination module, after receiving the redirect message that network side returns, before being redirected according to this redirect message, according to putting in order of RAT information, carry out following operation for the multiple frequency point information in a RAT information successively, can carry out redirected frequency point information until definite:
Select unmeasured frequency point information in this RAT information;
Carry out Target cell measurement according to described frequency point information, determine the network signal quality of Target cell corresponding to this frequency point information;
Judge whether definite network signal quality is not less than the threshold value of setting, if so, determine that this frequency point information is to carry out redirected frequency point information; Otherwise the frequency point information that continues to carry out in RAT information is measured operation.
18. terminals as claimed in claim 17, is characterized in that, have comprised the multiple frequency point information after sequence in a described RAT information;
Described frequency determination module, the higher and unmeasured frequency point information specifically for the rank of selecting to sort in this RAT information.
Under 19. 1 kinds of multimode network states, terminal is carried out redirected system, it is characterized in that, comprising:
Network side, search with described terminal and support the wireless access way RAT information that the standard information of communication network matches for the neighbor cell of the Serving cell at the current place of terminal, and according to the priority of setting, definite RAT information is sorted, RAT information after sequence is carried in redirect message and sends to terminal, and indicating terminal is redirected;
Terminal, the redirect message returning for receiving network side, is redirected according to this redirect message.
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