CN106658611A - Mobile terminal and smooth communication network switching method thereof - Google Patents
Mobile terminal and smooth communication network switching method thereof Download PDFInfo
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- CN106658611A CN106658611A CN201510731041.2A CN201510731041A CN106658611A CN 106658611 A CN106658611 A CN 106658611A CN 201510731041 A CN201510731041 A CN 201510731041A CN 106658611 A CN106658611 A CN 106658611A
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- mobile terminal
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- 238000000034 method Methods 0.000 title claims abstract description 76
- 238000004891 communication Methods 0.000 title claims abstract description 53
- 230000002085 persistent effect Effects 0.000 description 9
- 230000005540 biological transmission Effects 0.000 description 7
- 230000032683 aging Effects 0.000 description 2
- 230000004913 activation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a mobile terminal and a smooth communication network switching method thereof, and belongs to the technical field of mobile terminals. The method comprises the steps that S1) the mobile terminal receives an emergent service based on a second network; S2) the mobile terminal is switched to the second terminal, obtains first type of system information associated to a system information block of the second network and sent by a corresponding cell, and the cell is resided after all the first type of system information is obtained; S3) after the cell is resided, the mobile terminal receives broadcast information sent by a broadcasting channel of the resided cell continuously, and a random access process is entered, so that second type of system information associated to the system information block of the second network is continued to be received according to configuration information issued by the cell; and S4) the mobile terminal processes the emergent service based on the second network. The mobile terminal and the smooth communication network switching method thereof have the advantages that the real-time service processing quality can be ensured when the communication network is switched, and the user experience is improved.
Description
Technical field
The present invention relates to technical field of mobile terminals, more particularly to a kind of mobile terminal takes over seamlessly communication network
The method and mobile terminal of network.
Background technology
In prior art, when mobile terminal is worked based on a certain communication network (such as LTE network),
In some cases probably due to some burst services and turning to seek the communication network for connecting time one-level, for example
WCDMA networks.
In prior art, in these cases, if mobile terminal runs voice under the communication network of script
The real time business such as talk business process, then when needing to switch to the communication network of time one-level, due to switching
And the resident time is longer, the time delay lifting for processing burst service is likely to result in, reduces the use of user
Experience.
The content of the invention
According to problems of the prior art, a kind of mobile terminal is now provided and takes over seamlessly communication network
The technical scheme of method and mobile terminal, it is intended to lift the smoothness of communication network switching, it is ensured that burst
Ageing, the experience of lifting user of Business Processing.
Above-mentioned technical proposal is specifically included：
A kind of method that mobile terminal takes over seamlessly communication network, the mobile terminal is associated with one first
Network and one second network, the mobile terminal carries out real time business process based on the first network,
Wherein, it is further comprising the steps of：
Step S1, the mobile terminal receives the burst service based on second network；
Step S2, the mobile terminal switches to second network, and based on second Network Capture
The first kind system information being associated with the system information block of second network that respective cell sends,
The cell is resident after whole first kind system informations are obtained；
Step S3, after the cell is resident, the mobile terminal persistently receives the cell being populated
The broadcast message that sends of broadcast channel, and random access procedure is entered, with what is issued according to the cell
Configuration information continues to the Equations of The Second Kind system letter being associated with the system information block of second network
Breath；
Step S4, the mobile terminal is based on burst service described in second network processes.
Preferably, the method that the mobile terminal takes over seamlessly communication network, wherein, the first network is
LTE communication network.
Preferably, the method that the mobile terminal takes over seamlessly communication network, wherein, second network is
WCDMA communication networks.
Preferably, the method that the mobile terminal takes over seamlessly communication network, wherein, in step S2,
The first kind system information that the mobile terminal is received includes：
System information block 1；
System information block 3；
System information block 5；And
System information block 7.
Preferably, the method that the mobile terminal takes over seamlessly communication network, wherein, step S3 is also
Including：
Step S31, judges the random access procedure whether success, and the random access procedure into
Step S32 is entered during work(；
Step S32, the mobile terminal enters one first reception state, is stayed with continuing to be associated with
The system information of the cell stayed, is subsequently diverted to step S4.
Preferably, the method that the mobile terminal takes over seamlessly communication network, wherein, in step S33,
The mobile terminal is entered after first reception state, goes successively to one second reception state, to continue
Reception is associated with the system information of the cell being populated, and is subsequently diverted to step S4.
Preferably, the method that the mobile terminal takes over seamlessly communication network, wherein, in step S33,
First reception state is CELL_FACH states.
Preferably, the method that the mobile terminal takes over seamlessly communication network, wherein, in step S33,
Second reception state is CELL_DCH states.
Preferably, the method that the mobile terminal takes over seamlessly communication network, wherein, in step S32,
If the random access procedure failure, the mobile terminal is continued to accordingly by the broadcast channel
System information, be subsequently diverted to step S4.
A kind of mobile terminal, wherein, the method that communication network is taken over seamlessly using above-mentioned mobile terminal.
The beneficial effect of above-mentioned technical proposal is：The side that a kind of mobile terminal takes over seamlessly communication network is provided
Method, can ensure the quality that real time business is processed when communication network is switched, and lift the use body of user
Test.
Description of the drawings
Fig. 1-2 is that a kind of mobile terminal takes over seamlessly telecommunication network in the preferred embodiment of the present invention
The schematic flow sheet of method.
Specific embodiment
Below in conjunction with the accompanying drawings the invention will be further described with specific embodiment, but not as the present invention's
Limit.
In prior art, mobile terminal when other communication networks are switched to from a certain communication network, often
Need just to be capable of determining whether to stay after all system informations based on the communication network acquisition respective cell for switching to
The cell is stayed, so as to cause the resident stand-by period long.If mobile terminal is needed based on the communication after switching
Network carries out the process of burst service, then very possible to cause the industry that happens suddenly because the resident stand-by period is long
The time delay increase that business is processed, so as to reduce the experience of user.
In the preferred embodiment of the present invention, based on the above-mentioned problems in the prior art, one is now provided
Plant the method that mobile terminal takes over seamlessly communication network, it is adaptable to mobile terminal.Above-mentioned mobile terminal is originally
Corresponding real time business process is carried out based on a first network.
In one preferred embodiment of the present invention, above-mentioned mobile terminal is based on LTE network (4G originally
Network) work, i.e., originally corresponding real time business process is carried out based on LTE network.In other words, the reality
In applying example, above-mentioned first network can be LTE communication network, i.e. 4G networks.
Then in preferred embodiment of the invention, as shown in figure 1, the above-mentioned side for taking over seamlessly communication network
Method is specifically included：
Step S1, mobile terminal receives the burst service based on one second network；
Step S2, mobile terminal switches to the second network, and is sent based on the second Network Capture respective cell
The first kind system information being associated with the system information block of the second network, obtaining whole first
Cell is resident after class system information；
Step S3, behind persistent district, mobile terminal persistently receives the broadcast channel of the cell being populated and sends out
The broadcast message sent, and random access procedure is entered, continued to the configuration information issued according to cell
The Equations of The Second Kind system information being associated with the system information block of the second network；
Step S4, mobile terminal is based on the second network processes burst service.
In a specific embodiment, first, mobile terminal is currently based on a first network and carries out real-time industry
Business is processed, for example, the process of corresponding network business is carried out based on LTE network.Subsequently, mobile terminal according to
The generation of some burst services, being for example currently needed for switching to the network of time one-level carries out the place of speech business
Reason, then mobile terminal can switch to another communication network, such as the second network, to ensure mobile data
The quality of communication.Above-mentioned second network can be WCDMA communication networks (i.e. 3G network), that is, move
Dynamic terminal needs to switch to WCDMA networks, and carries out voice calling service based on WCDMA networks
Process.Then after mobile terminal switches to above-mentioned second network, i.e., carried out accordingly based on second network
The system information of cell is obtained (system information for obtaining Cell Broadcast CB).Specifically, mobile terminal is based on the
Two Network Captures are associated with the first kind system information (hereinafter can describe in detail) of cell, and are getting association
The cell is directly resident after whole first kind system information of cell, without obtaining all systems
It is resident the cell after system information again.
In above-described embodiment, mobile terminal to the second network and behind persistent district, continues in successful switch
The broadcast message that reception is broadcasted by the broadcast channel (Broadcast Channel, BCH) of the cell,
Do not discharge BCH channels, and enter random access procedure, so as to be resident the cell after, can
Continue to be associated with the Equations of The Second Kind system information of the cell being populated.Therefore, in above-described embodiment, need
The system information of the cell to be received includes first kind system information and Equations of The Second Kind system information.
In above-described embodiment, mobile terminal in successful switch to the second network and behind persistent district, according to
The configuration information that the cell (network side) is issued, continues to above-mentioned Equations of The Second Kind system information.
In above-described embodiment, mobile terminal successful switch is to the second network and after persistent district, you can
To carry out the process of burst service based on second network, for example, carry out process of voice calling service etc..
Above-mentioned technical proposal can significantly shorten mobile terminal and switch to another communication network from a communication network
And the time of persistent district, therefore the ageing of burst service is can ensure that, lift the use body of user
Test.
In the preferred embodiment of the present invention, as mentioned above it is possible, said system information is corresponding cell
The system information block (System Information Block, SIB) of broadcast.Further, it is of the invention
In preferred embodiment, in above-mentioned steps S2, it is associated with before the cell of the second network in resident, it is first
First obtain the first kind system information of system information block, i.e. first kind system information block.
In the preferred embodiment of the present invention, so-called first kind system information can include：SIB 1 (is
System block of information 1), SIB 3 (system information block 3), SIB 5 (system information block 5) and SIB7 (are
System block of information 7).Wherein SIB is the abbreviation of System Information Block, for representing system
Block of information, it is hereinafter identical, repeat no more.
Then in preferred embodiment of the invention, mobile terminal is receiving above-mentioned all of first kind system
(all receive after SIB 1, SIB 3, SIB 5 and SIB 7) after block of information, that is, be resident this little
Area, and need not wait until to obtain to be resident again after whole system informations.
In the preferred embodiment of the present invention, remove outside above-mentioned first kind system information, in system information also
Equations of The Second Kind system information can be included.
In the preferred embodiment of the present invention, above-mentioned Equations of The Second Kind system information includes that SIB 2 (believe by system
Breath block 2), SIB4 (system information block 4), SIB 6 (system information block 6), SIB 11 (system believe
Breath block 11), SIB 18 (fast 18) of system information and SIB 19 (system information block 19).It is mobile
Terminal is reattempted in acquisition after above-mentioned first kind system information block and successful persistent district is all obtained
Equations of The Second Kind system information block is stated, and is finally completed the acquisition operation of system information.
The present invention other embodiment in, above-mentioned Equations of The Second Kind system information be not limited to above-mentioned SIB 2, SIB4,
SIB 6, SIB 11, SIB 18 and SIB 19, can also include existing communication agreement specified in other
System information block.
Then in preferred embodiment of the invention, mobile terminal is successful switch is to the second network and is resident
After cell, according to the configuration information that the cell (network side) is issued, above-mentioned Equations of The Second Kind system is continued to
Information.Specifically, the configuration information that mobile terminal is issued according to network side, selects to receive above-mentioned Equations of The Second Kind
One or more in system information, that is, select to receive SIB 2, SIB4, SIB 6, SIB 11, SIB 18
And one or more in the system information block such as SIB 19.
In the preferred embodiment of the present invention, as shown in Fig. 2 above-mentioned steps S3 are specifically included：
Step S31, mobile terminal judges random access procedure whether success, and random access procedure into
Step S32 is entered during work(；
The present invention preferred embodiment in, as mentioned above it is possible, mobile terminal successful persistent district it
Afterwards, keep taking corresponding BCH channels, i.e., do not discharge BCH channel resources, to continue after wait
Reception system information.
In the preferred embodiment of the present invention, behind mobile terminal persistent district, into random access procedure.
So-called random access procedure, its main purpose is 1. to set up uplink synchronisation；2. one is set up uniquely eventually
End mark C-RNTI, it is logical that request network allocation gives terminal uplink resource, i.e. random access procedure
A very basic and important process in communication network system.
Subsequently, in preferred embodiment of the invention, whether mobile terminal judges above-mentioned random access procedure
Success：If success, following step S32 is being turned to.
Step S32, mobile terminal enters one first reception state, to continue to be associated with what is be populated
The system information of cell, is subsequently diverted to step S4.
In the preferred embodiment of the present invention, mobile terminal is entered after above-mentioned random access procedure, needs to sentence
Whether the disconnected random access procedure is successful：
If 1) judge random access procedure success, mobile terminal is entered as described in above-mentioned step S33
The first reception state, to continue to be associated with the system information of the cell being populated.
Specifically, so-called first reception state, can be actually CELL_FACH states.Under the state,
The essential characteristic of mobile terminal is：Mobile terminal side (User Terminal, UE) and net side between not
There is DPCH (Dedicated Physical Channel, DPCH) connection, UE is descending
Direction will continuously monitor access transmission channel (Forward Access Channel, FACH) forward, and
Can be using public or shared transmission channel, such as RACH (Random in up direction
Access Channel, RACH), UE can initiate to connect at any time on associated transmission channel
Enter process.According to the distribution condition of net side, UE can use in this case uplink shared channel
(Uplink Shared Channel, USCH) or downlink sharied signal channel (Downlink Shared
Channel, DSCH), the cell updating course that net side can also be performed according to UE last times is obtained
Know the cell that UE is presently in.If UE have selected a new cell, UE will be current position
Confidence breath is reported to net side by cell updating course.Net side can also be sent out on FACH directly to UE
Data are sent, without first initiating paging.Net side by the change of system information by corresponding schedule information
Be broadcast to UE in time on FACH, so as to UE re-read be associated with the cell being populated be
System information.
In the preferred embodiment of the present invention, in above-mentioned steps S33, in mobile terminal above-mentioned first is entered
After reception state (i.e. CELL_FACH states), can select enter one second reception state, with after
The system information for being associated with the cell being populated is received in continued access, is subsequently diverted to step S4.
Correspondingly, so-called second reception state, can be actually CELL_DCH states.Under the state,
The essential characteristic of mobile terminal is：UE is assigned special physical channel (DPCH).Then except upper
Outside/descending DPCH DPCH, UE is also possible to be allocated Physical Uplink Shared Channel
(Physical Uplink Shared Channel, PUSCH) and/or Physical Downlink Shared Channel (Physical
Uplink Shared Channel, PDSCH).According to the distribution condition of net side, UE can use special
Transmission channel (Dedicated Channel, DCH), up shared transmission channel USCH, descending
Shared transmission channel DSCH, and the combination of these transmission channels.Net side is according to current activation channel
Whether collection knows UE already in cell identification grade.
If 2) judge, random access procedure fails, because before mobile terminal does not discharge BCH letters
Road related resource, then now mobile terminal is directly obtained by the continuation of BCH channels and is associated with what is be populated
The system information of cell
After above-mentioned all processes terminate, mobile terminal completes smooth from first network (LTE network)
Switch to the process of the second network (WCDMA networks).Also, before above-mentioned all processes are completed
(after first kind system information is all obtained), mobile terminal is i.e. in above-mentioned second network (WCDMA
Network) under proceed the process of original real time business.
In sum, in technical solution of the present invention, mobile terminal is originally in first network (such as LTE nets
Network) under carry out corresponding real time business process, and (for example voice leads to when specific burst service is produced
Call business) need to switch to the second network (such as WCDMA networks) from first network, then it is mobile whole
End switches to the second network, and obtains the first kind system information of the cell for being associated with the second network.Move
Dynamic terminal is resident the cell after all first kind system informations are obtained completely, and to above-mentioned burst service
Processed, while mobile terminal does not discharge BCH channels, into random access procedure, continued thereafter with
Reception is associated with the Equations of The Second Kind system information of the cell being populated.Mobile terminal obtains completely all second
After class system information, the whole process for taking over seamlessly network and persistent district is completed.
In the preferred embodiment of the present invention, a kind of mobile terminal is also provided, wherein using the above
The method for taking over seamlessly communication network.
The foregoing is only preferred embodiments of the present invention, not thereby limit embodiments of the present invention and
Protection domain, to those skilled in the art, should can appreciate that all utilization description of the invention
And the equivalent done by diagramatic content and the scheme obtained by obvious change, should include
Within the scope of the present invention.
Claims (10)
1. a kind of method that mobile terminal takes over seamlessly communication network, the mobile terminal is associated with one
One network and one second network, the mobile terminal carries out real time business process based on the first network,
Characterized in that, further comprising the steps of：
Step S1, the mobile terminal receives the burst service based on second network；
Step S2, the mobile terminal switches to second network, and based on second Network Capture
The first kind system information being associated with the system information block of second network that respective cell sends,
The cell is resident after whole first kind system informations are obtained；
Step S3, after the cell is resident, the mobile terminal persistently receives the cell being populated
The broadcast message that sends of broadcast channel, and random access procedure is entered, with what is issued according to the cell
Configuration information continues to the Equations of The Second Kind system letter being associated with the system information block of second network
Breath；
Step S4, the mobile terminal is based on burst service described in second network processes.
2. the method that mobile terminal as claimed in claim 1 takes over seamlessly communication network, it is characterised in that
The first network is LTE communication network.
3. the method that mobile terminal as claimed in claim 1 takes over seamlessly communication network, it is characterised in that
Second network is WCDMA communication networks.
4. the method that mobile terminal as claimed in claim 1 takes over seamlessly communication network, it is characterised in that
In step S2, the first kind system information that the mobile terminal is received includes：
System information block 1；
System information block 3；
System information block 5；And
System information block 7.
5. the method that mobile terminal as claimed in claim 1 takes over seamlessly communication network, it is characterised in that
Step S3 also includes：
Step S31, judges the random access procedure whether success, and the random access procedure into
Step S32 is entered during work(；
Step S32, the mobile terminal enters one first reception state, is stayed with continuing to be associated with
The system information of the cell stayed, is subsequently diverted to step S4.
6. the method that mobile terminal as claimed in claim 5 takes over seamlessly communication network, it is characterised in that
In step S33, the mobile terminal is entered after first reception state, goes successively to one second
Reception state, to continue to be associated with the system information of the cell being populated, is subsequently diverted to described
Step S4.
7. the method that mobile terminal as claimed in claim 5 takes over seamlessly communication network, it is characterised in that
In step S33, first reception state is CELL_FACH states.
8. the method that mobile terminal as claimed in claim 6 takes over seamlessly communication network, it is characterised in that
In step S33, second reception state is CELL_DCH states.
9. the method that mobile terminal as claimed in claim 5 takes over seamlessly communication network, it is characterised in that
In step S32, if random access procedure failure, the mobile terminal is by the broadcast
Channel continues to corresponding system information, is subsequently diverted to step S4.
10. a kind of mobile terminal, it is characterised in that using the mobile terminal as described in claim 1-9
The method for taking over seamlessly communication network.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201510731041.2A CN106658611A (en) | 2015-10-30 | 2015-10-30 | Mobile terminal and smooth communication network switching method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510731041.2A CN106658611A (en) | 2015-10-30 | 2015-10-30 | Mobile terminal and smooth communication network switching method thereof |
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| CN106658611A true CN106658611A (en) | 2017-05-10 |
Family
ID=58810452
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| CN201510731041.2A Pending CN106658611A (en) | 2015-10-30 | 2015-10-30 | Mobile terminal and smooth communication network switching method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112218274A (en) * | 2020-09-23 | 2021-01-12 | 紫光展锐(重庆)科技有限公司 | Exception handling method and device |
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Application publication date: 20170510 |