CN106937343A - A kind of voice business realizing method and device - Google Patents
A kind of voice business realizing method and device Download PDFInfo
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- CN106937343A CN106937343A CN201511033333.5A CN201511033333A CN106937343A CN 106937343 A CN106937343 A CN 106937343A CN 201511033333 A CN201511033333 A CN 201511033333A CN 106937343 A CN106937343 A CN 106937343A
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- 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
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
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- 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
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
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- 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
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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 kind of voice business realizing method, global system for mobile communications (GSM) network cell information of log history enhanced double-mode single-standby wireless voice call continuity (eSRVCC) Long Term Evolution (LTE) cell resident when switching and correspondence switching；The LTE cells and the GSM network cell information and current LTE cell information of correspondence switching and GSM network nearby region measurement report (MR) data of current LTE cell configuration being resident when being switched according to the history eSRVCC, according to access rules, it is determined that the GSM network cell for accessing.Device is realized the invention also discloses a kind of speech business.
Description
Technical field
The present invention relates to the voice processing technology of field of mobile communication, more particularly to a kind of speech business realization side
Method and device.
Background technology
Long Term Evolution (LTE, Long Term Evolution) real-time performance speech business mainly includes：Circuit
Domain dropping (CSFB, Circuit Switched Fallback), single-card double-standby and Long Term Evolution voice
Modes such as (VoLTE, Voice over LTE)；Wherein, VoLTE schemes provide language by LTE packet domains
Sound, and by enhanced double-mode single-standby wireless voice call continuity (eSRVCC, enhanced Single
Radio Voice Call Continuity) function ensures and the second generation (2G, 2nd Generation) is mobile logical
Letter technology/the third generation (3G, 3rd Generation) mobile communication technology voice takes over seamlessly, and realizes voice
Continuity.ESRVCC functions are important benefits of the VoLTE before LTE network covering is not up to covered comprehensively
Function is filled, the continuity of VoLTE speech businesses can be ensured in LTE first stage of construction and mid-term, used with reducing to work as
Family moves out call drop caused by LTE coverings, reduces customer complaint.
When VoLTE user is in voice call process, LTE overlay areas are gradually moved out with user,
When LTE signal levels are less than the thresholding for setting, the different systems of 2G/3G that terminal will be configured according to LTE network are adjacent
Area is to global system for mobile communications (GSM, Global System for Mobile Communication) network
Cell carries out signal level measuring；When thresholding of the GSM network signal level higher than setting, terminal will pass through
ESRVCC handoff functionalities, are accessed according to the GSM network that measurement result selection signal is most strong, are continued
Carry out speech business.
But, there is certain defect in existing eSRVCC functions：Terminal starts VoLTE in LTE network
It is right by according to the GSM network adjacent area of configuration when terminal moves to the weak overlay areas of LTE after call
These adjacent areas are measured, and the most strong cell of signal is switched to further according to measurement result；However, frequency measurement meeting
Certain network delay is brought, switching can be caused not in time, so as to produce call drop；Meanwhile, according to GSM
The signal level of network selects to access cell, if although run into the most strong abnormal state of the cell signal,
Such as：The problems such as alarm, congestion situation or voice quality, then normal speech business cannot be realized, cause to exhale
Cry failure.
Therefore, reduced when eSRVCC switches handover delay, reduce call drop probability, lifting voice quality,
Improve user to perceive, be mobile communications operator's problem demanding prompt solution.
The content of the invention
In view of this, the embodiment of the present invention is expected to provide a kind of voice business realizing method and device, can be
Handover delay is reduced when eSRVCC switches, call drop probability, lifting voice quality is reduced, is improved user's sense
Know.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of voice business realizing method is the embodiment of the invention provides, methods described includes：Log history
Resident LTE cells and the GSM network cell information of correspondence switching when eSRVCC switches；Methods described
Also include：
The LTE cells and the GSM network of correspondence switching being resident when being switched according to the history eSRVCC are small
Area's information and current LTE cell information and the GSM network nearby region measurement report of current LTE cell configuration
(MR, Measurement Report) data are accused, according to default access rules, it is determined that the GSM for accessing
Network cell.
It is described according to access rules in such scheme, it is determined that the GSM network cell for accessing；Including：
According to the MR data, GSM network cell working properly is determined, and be designated GSM voices
Switching priority cell, indicates eNodeB to issue the information that the GSM voices switch priority cell；
If current LTE cell belongs to LTE cells resident when the history eSRVCC switches, and
The GSM network cell of the correspondence switching belongs to the GSM voices switching priority cell, then will be described right
The GSM network cell that should switch is defined as accessing target GSM network cell, and indicates eNodeB only to send out
Send the access target GSM network cell information.
It is described according to default access rules in such scheme, it is determined that the GSM network cell for accessing；Bag
Include：
If current LTE cell belongs to LTE cells resident when the history eSRVCC switches, but institute
The GSM network cell for stating correspondence switching is not belonging to the GSM voices switching priority cell, it indicates that
ENodeB issues the information that the GSM voices switch priority cell；
If current LTE cell is not belonging to LTE cells resident when the history eSRVCC switches,
ENodeB is indicated to issue the information that the GSM voices switch priority cell；
The LTE cells and the GSM of correspondence switching being resident when switching if there is no the history eSRVCC
Network cell information, it indicates that eNodeB issues the information that the GSM voices switch priority cell.
In such scheme, methods described also includes：According to the current LTE cells and the GSM for accessing
Resident LTE cells and the GSM network of correspondence switching when network cell, more new historical eSRVCC switch
Cell information；
The MR data of the GSM network cell for accessing are obtained, and updates the current LTE cell configuration
GSM network adjacent area MR data.
In such scheme, resident LTE cells and the GSM of correspondence switching when the history eSRVCC switches
Network cell information；Including：
Resident LTE cells and the GSM network cell letter of correspondence switching when the last eSRVCC switches
Breath.
The embodiment of the present invention additionally provides a kind of speech business and realizes device, and described device includes：Record mould
Block, control module, wherein,
The logging modle, resident LTE cells and correspondence switch when log history eSRVCC switches
GSM network cell information；
The control module, the LTE cells and correspondence being resident during for being switched according to the history eSRVCC
What the GSM network cell information and current LTE cell information of switching and current LTE cell configured
GSM network adjacent area MR data, according to default access rules, it is determined that the GSM network cell for accessing.
In such scheme, the control module, specifically for：
According to the MR data, GSM network cell working properly is determined, and be designated GSM voices
Switching priority cell, indicates eNodeB to issue the information that the GSM voices switch priority cell；
If current LTE cell belongs to LTE cells resident when the history eSRVCC switches, and
The GSM network cell of the correspondence switching belongs to the GSM voices switching priority cell, then will be described right
The GSM network cell that should switch is defined as accessing target GSM network cell, and indicates eNodeB only to send out
Send the access target GSM network cell information.
In such scheme, the control module is additionally operable to：
If current LTE cell belongs to LTE cells resident when the history eSRVCC switches, but institute
The GSM network cell for stating correspondence switching is not belonging to the GSM voices switching priority cell, it indicates that
ENodeB issues the information that the GSM voices switch priority cell；
If current LTE cell is not belonging to LTE cells resident when the history eSRVCC switches,
ENodeB is indicated to issue the information that the GSM voices switch priority cell；
The LTE cells and the GSM of correspondence switching being resident when switching if there is no the history eSRVCC
Network cell information, it indicates that eNodeB issues the information that the GSM voices switch priority cell.
In such scheme, the logging modle is additionally operable to：
According to the current LTE cells and the GSM network cell for accessing, more new historical eSRVCC cuts
The LTE cells and the GSM network cell information of correspondence switching being resident when changing；
The MR data of the GSM network cell for accessing are obtained, and updates the current LTE cell configuration
GSM network adjacent area MR data.
In such scheme, resident LTE cells and the GSM of correspondence switching when the history eSRVCC switches
Network cell information, including：
Resident LTE cells and the GSM network cell letter of correspondence switching when the last eSRVCC switches
Breath.
Voice business realizing method and device that the embodiment of the present invention is provided, log history eSRVCC switchings
When resident LTE cells and correspondence switching GSM network cell information；According to the history eSRVCC
The LTE cells being resident during switching and GSM network cell information and the current LTE cell of correspondence switching
Information and the GSM network adjacent area MR data of current LTE cell configuration, according to default access rules,
It is determined that the GSM network cell for accessing.Selection GSM network cell working properly is switched over, and will be gone through
The GSM network cell that history eSRVCC is accessed when switching is used as the first priority for switching；In this way, reducing
Handover delay, reduction call drop probability, lifting voice quality, raising user perceive.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of embodiment of the present invention voice business realizing method；
Fig. 2 is each part relation schematic diagram of embodiment of the present invention voice business realizing method；
Fig. 3 is the idiographic flow schematic diagram of embodiment of the present invention VoLTE terminals eSRVCC switchings；
Fig. 4 is the structural representation that device is realized in embodiment of the present invention speech business.
Specific embodiment
In the embodiment of the present invention, resident LTE cells and correspondence switch when log history eSRVCC switches
GSM network cell information；The LTE cells and correspondence being resident when being switched according to the history eSRVCC are cut
The GSM network cell information and current LTE cell information that change and the GSM of current LTE cell configuration
Network neighbor MR data, according to default access rules, it is determined that the GSM network cell for accessing.
With reference to embodiment, the present invention is further described in more detail.
Voice business realizing method provided in an embodiment of the present invention, as shown in figure 1, including：
Step 101：Resident LTE cells and the GSM of correspondence switching when log history eSRVCC switches
Network cell information；
Here it is possible to S1 mouthfuls in MME sides is read and recorded the eSRVCC switchings institute that user's history is carried out
Resident LTE cells and the information of the GSM network cell of correspondence switching；The information of the cell includes：
Cell ID (ID, Identity) etc., is determined for the LTE cells and GSM network cell；
Here, the eSRVCC switchings that the history is carried out, can be the last eSRVCC switchings for carrying out.
Step 102：What the LTE cells and correspondence being resident when being switched according to the history eSRVCC switched
GSM network cell information and current LTE cell information and the GSM network of current LTE cell configuration
Adjacent area MR data, according to default access rules, it is determined that the GSM network cell for accessing；
Here, VoLTE terminals reside in LTE network, if now there is speech business demand, will pass through
INVITE signalings, triggering wireless heterogeneous networks (RRC, Radio Resource Control) connection, and lead to
Cross RRC reconfiguration messages set up Signaling Radio Bearer 2 (SRB2, Signalling Radio Bearers2),
Recover service quality rating 5 (QCI5, Quality of Service Class Identifier5) to carry, while by
A series of signalling interactive process completes the foundation of VoLTE voice calls；As VoLTE terminals are gradually moved
LTE overlay areas are moved out of, eSRVCC switching flows will be started.After receiving eSRVCC handover requests, root
Resident LTE cells and the GSM network of correspondence switching are small when switching according to the history eSRVCC of the storage
Area's information, judges the optimum subdistrict of user's switching；
The specific optimum subdistrict for how judging user's switching, can use following process step：
First, the GSM network neighboring BS information that business initiates LTE cell configurations is read, here it is possible to logical
Cross BSC sides A interfaces and read the GSM network cell MR data, according to MR data, it is determined that in the presence of
The GSM network cell of problem, and list GSM voices switching cell blacklist in, while by other GSM
Network cell is designated GSM voices switching priority cell.Here can be according in the MR data：
The parameters such as signal level intensity, quality, transmission power, DTX behaviours in service, judge GSM network cell
Working condition, such as alarm, congestion situation or the problems such as voice quality.VoLTE is related in switching to GSM
And each part relation it is as shown in Figure 2；
Then, the LTE cells history eSRVCC for analyzing the storage resident when switching and correspondence switching
GSM network cell information, if the LTE cells that VoLTE terminals are presently in converse what is initiated with history
LTE cells are consistent, and the GSM net network cells of history call switching are excellent in GSM voices switching
In first cell list, it indicates that evolution base station (eNodeB, Evolved Node B) only issues cell letter
Breath, and it is directly switch into the GSM network cell, all adjacent area frequency measurements are not carried out, so that when reducing
Prolong；Here, the call-information of the history can be the preceding information once conversed.If preceding once call switching
GSM network cell not in the list of GSM voices switching cell, it indicates that eNodeB, only issue neighbour
GSM voices switching priority cell information in area；
The LTE cells history eSRVCC for analyzing the storage resident when switching and the GSM of correspondence switching
Network cell information, if the LTE cells that VoLTE terminals are presently in are small with the LTE that history call is initiated
Area is inconsistent, it indicates that eNodeB, only issues GSM voices switching priority cell information in adjacent area；If
LTE cells and the corresponding GSM network cell letter for switching resident when the history eSRVCC switches is not deposited
Breath, it indicates that eNodeB, only issues GSM voices switching priority cell information in adjacent area.
Voice business realizing method provided in an embodiment of the present invention, also includes：According to current LTE cells and
Switch the GSM network cell for accessing, resident LTE cells and correspondence when more new historical eSRVCC switches
The GSM network cell information of switching；The MR data for accessing GSM network cell are obtained, and updates described
The GSM network adjacent area MR data of current LTE cell configuration；
Here, eNodeB is indicated according to the switching of APU, issues switching target small area information,
User VoLTE terminals issue cell and are attached according to eNodeB；At this moment, can be by this eSRVCC
The GSM cell that the LTE cells of switching and switching are accessed, is resident when more new historical eSRVCC switches
LTE cells and the GSM network cell information of correspondence switching；And the GSM for obtaining the switching access is small
The MR data in area, and update the GSM network adjacent area MR data of the current LTE cell configuration.
After speech business terminates, user VoLTE terminals can return to LTE network.
The good effect that the present invention is produced is described in further detail with reference to specific example.
As shown in figure 3, the idiographic flow of this example VoLTE terminals eSRVCC switchings is as follows：
Step 301：VoLTE terminals reside in LTE network, and carry out VoLTE voice calls；With
VoLTE terminals gradually move out LTE overlay areas, start eSRVCC switching flows；
Step 302：Resident LTE cells and correspondence switch when determining whether that a preceding eSRVCC switches
GSM network cell information；If it is not, indicating eNodeB, GSM voices in adjacent area are only issued
Switching priority cell information；Otherwise, step 303 is performed；
Step 303：Judge whether current LTE cell once occurs the LTE cells that eSRVCC switches with preceding
Unanimously；If it is inconsistent, indicating eNodeB, GSM voices switching priority cell letter in adjacent area is only issued
Breath；Otherwise, step 304 is performed；
Step 304：Whether the GSM network cell once switched before judging is preferential small in the switching of GSM voices
Area；If it was not then indicating eNodeB, GSM voices switching priority cell information in adjacent area is only issued；
Otherwise, step 305 is performed；
Step 305：ENodeB is indicated, is only issued and is only issued the GSM network cell information and switch over letter
Breath is switched over.
Device is realized in speech business provided in an embodiment of the present invention, as shown in figure 4, described device includes：Note
Record module 41, control module 42, wherein,
The logging modle 41, resident LTE cells and correspondence switch when log history eSRVCC switches
GSM network cell information；
Here it is possible to S1 mouthfuls in MME sides is read and recorded the eSRVCC switchings institute that user's history is carried out
Resident LTE cells and the information of the GSM network cell of correspondence switching；The information of the cell includes：
Cell ID etc., is determined for the LTE cells and GSM network cell；Here, the history is entered
Capable eSRVCC switchings can be the last eSRVCC switchings for carrying out.
The control module 42, during for being switched according to the history eSRVCC be resident LTE cells and
The GSM network cell information and current LTE cell information of correspondence switching and current LTE cell configuration
GSM network adjacent area MR data, according to default access rules, it is determined that the GSM network for accessing is small
Area；
Specifically, VoLTE terminals reside in LTE network, if now there is speech business demand, will pass through
INVITE signalings, trigger RRC connections, and set up SRB2, QCI5 by RRC reconfiguration messages and hold
Carry, while completing the foundation of VoLTE voice calls by a series of signalling interactive process；With VoLTE
Terminal gradually moves out LTE overlay areas, will start eSRVCC switching flows.Receive eSRVCC switchings
After request, what the LTE cells and correspondence history eSRVCC according to the storage resident when switching switched
GSM network cell information, judges the optimum subdistrict of user's switching；
The specific optimum subdistrict for how judging user's switching, can use following process step：
First, the GSM network neighboring BS information that business initiates LTE cell configurations is read, here it is possible to logical
Cross BSC sides A interfaces and read the GSM network cell MR data, according to MR data, it is determined that in the presence of
The GSM network cell of problem, and list GSM voices switching cell blacklist in, while by other GSM
Network cell is designated GSM voices switching priority cell.Here can be according in the MR data：
The parameters such as signal level intensity, quality, transmission power, DTX behaviours in service, judge GSM network cell
Working condition, such as alarm, congestion situation or the problems such as voice quality.VoLTE is related in switching to GSM
And each part relation it is as shown in Figure 2；
Then, the LTE cells history eSRVCC for analyzing the storage resident when switching and correspondence switching
GSM network cell information, if the LTE cells that VoLTE terminals are presently in converse what is initiated with history
LTE cells are consistent, and the GSM net network cells of history call switching are excellent in GSM voices switching
In first cell list, it indicates that eNodeB only issues the cell information, and is directly switch into the GSM network
Cell, all adjacent area frequency measurements is not carried out, so as to reduce time delay；Here, the call-information of the history
Can be the preceding information once conversed.If the GSM network cell of preceding switching of once conversing is not in GSM voices
In the list of switching cell, it indicates that eNodeB, GSM voices switching priority cell letter in adjacent area is only issued
Breath；
The LTE cells history eSRVCC for analyzing the storage resident when switching and the GSM of correspondence switching
Network cell information, if the LTE cells that VoLTE terminals are presently in are small with the LTE that history call is initiated
Area is inconsistent, it indicates that eNodeB, only issues GSM voices switching priority cell information in adjacent area；If
LTE cells and the corresponding GSM network cell letter for switching resident when the history eSRVCC switches is not deposited
Breath, it indicates that eNodeB, only issues GSM voices switching priority cell information in adjacent area.
The logging modle 41, also includes：According to the GSM network that current LTE cells and switching are accessed
Resident LTE cells and the GSM network cell of correspondence switching when cell, more new historical eSRVCC switch
Information；The MR data for accessing GSM network cell are obtained, and updates the current LTE cell configuration
GSM network adjacent area MR data；
Specifically, eNodeB is indicated according to the switching of APU, switching target small area letter is issued
Breath, user VoLTE terminals issue cell and are attached according to eNodeB；At this moment, can be by this
The GSM cell that the LTE cells of eSRVCC switchings and switching are accessed, when more new historical eSRVCC switches
Resident LTE cells and the GSM network cell information of correspondence switching；And obtain what the switching was accessed
The MR data of GSM cell, and update the GSM network adjacent area MR of the current LTE cell configuration
Data.
After speech business terminates, user VoLTE terminals can return to LTE network.
In actual applications, the logging modle 41, control module 42 can be by background servers
Central processor (CPU), microprocessor (MPU), digital signal processor (DSP) or scene can
Programming gate array (FPGA) etc. is realized.
The above, good embodiment only of the invention is not intended to limit protection model of the invention
Enclose, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc. all should
It is included within protection scope of the present invention.
Claims (10)
1. a kind of voice business realizing method, it is characterised in that methods described includes：Log history strengthens
Type double-mode single-standby wireless voice call continuity eSRVCC resident when switching Long Term Evolution LTE cells and right
The global system for mobile communications GSM network cell information that should switch；Methods described also includes：
The LTE cells and the GSM network of correspondence switching being resident when being switched according to the history eSRVCC are small
Area's information and current LTE cell information and the GSM network nearby region measurement report of current LTE cell configuration
MR data are accused, according to default access rules, it is determined that the GSM network cell for accessing.
2. method according to claim 1, it is characterised in that described according to access rules, it is determined that
The GSM network cell of access；Including：
According to the MR data, GSM network cell working properly is determined, and be designated GSM voices
Switching priority cell, indicates evolution base station eNodeB to issue the letter that the GSM voices switch priority cell
Breath；
If current LTE cell belongs to LTE cells resident when the history eSRVCC switches, and
The GSM network cell of the correspondence switching belongs to the GSM voices switching priority cell, then will be described right
The GSM network cell that should switch is defined as accessing target GSM network cell, and indicates eNodeB only to send out
Send the access target GSM network cell information.
3. method according to claim 2, it is characterised in that described to be advised according to default access
Then, it is determined that the GSM network cell for accessing；Including：
If current LTE cell belongs to LTE cells resident when the history eSRVCC switches, but institute
The GSM network cell for stating correspondence switching is not belonging to the GSM voices switching priority cell, it indicates that
ENodeB issues the information that the GSM voices switch priority cell；
If current LTE cell is not belonging to LTE cells resident when the history eSRVCC switches,
ENodeB is indicated to issue the information that the GSM voices switch priority cell；
The LTE cells and the GSM of correspondence switching being resident when switching if there is no the history eSRVCC
Network cell information, it indicates that eNodeB issues the information that the GSM voices switch priority cell.
4. according to the method in claim 2 or 3, it is characterised in that methods described also includes：
According to the current LTE cells and the GSM network cell for accessing, more new historical eSRVCC cuts
The LTE cells and the GSM network cell information of correspondence switching being resident when changing；
The MR data of the GSM network cell for accessing are obtained, and updates the current LTE cell configuration
GSM network adjacent area MR data.
5. the method according to any one of claims 1 to 3, it is characterised in that the history
Resident LTE cells and the GSM network cell information of correspondence switching when eSRVCC switches；Including：
Resident LTE cells and the GSM network cell letter of correspondence switching when the last eSRVCC switches
Breath.
6. device is realized in a kind of speech business, it is characterised in that described device includes：Logging modle, control
Molding block, wherein,
The logging modle, resident LTE cells and correspondence switch when log history eSRVCC switches
GSM network cell information；
The control module, the LTE cells and correspondence being resident during for being switched according to the history eSRVCC
What the GSM network cell information and current LTE cell information of switching and current LTE cell configured
GSM network adjacent area MR data, according to default access rules, it is determined that the GSM network cell for accessing.
7. device according to claim 6, it is characterised in that the control module, it is specific to use
In：
According to the MR data, GSM network cell working properly is determined, and be designated GSM voices
Switching priority cell, indicates eNodeB to issue the information that the GSM voices switch priority cell；
If current LTE cell belongs to LTE cells resident when the history eSRVCC switches, and
The GSM network cell of the correspondence switching belongs to the GSM voices switching priority cell, then will be described right
The GSM network cell that should switch is defined as accessing target GSM network cell, and indicates eNodeB only to send out
Send the access target GSM network cell information.
8. device according to claim 7, it is characterised in that the control module, is additionally operable to：
If current LTE cell belongs to LTE cells resident when the history eSRVCC switches, but institute
The GSM network cell for stating correspondence switching is not belonging to the GSM voices switching priority cell, it indicates that
ENodeB issues the information that the GSM voices switch priority cell；
If current LTE cell is not belonging to LTE cells resident when the history eSRVCC switches,
ENodeB is indicated to issue the information that the GSM voices switch priority cell；
The LTE cells and the GSM of correspondence switching being resident when switching if there is no the history eSRVCC
Network cell information, it indicates that eNodeB issues the information that the GSM voices switch priority cell.
9. the device according to claim 7 or 8, it is characterised in that the logging modle, also uses
In：
According to the current LTE cells and the GSM network cell for accessing, more new historical eSRVCC cuts
The LTE cells and the GSM network cell information of correspondence switching being resident when changing；
The MR data of the GSM network cell for accessing are obtained, and updates the current LTE cell configuration
GSM network adjacent area MR data.
10. the device according to any one of claim 6 to 8, it is characterised in that the history
Resident LTE cells and the GSM network cell information of correspondence switching when eSRVCC switches, including：
Resident LTE cells and the GSM network cell letter of correspondence switching when the last eSRVCC switches
Breath.
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| CN201511033333.5A CN106937343B (en) | 2015-12-31 | 2015-12-31 | Voice service implementation method and device |
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| CN201511033333.5A CN106937343B (en) | 2015-12-31 | 2015-12-31 | Voice service implementation method and device |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107959941A (en) * | 2017-11-30 | 2018-04-24 | 广东欧珀移动通信有限公司 | Detection method and its device, storage medium |
| WO2019072099A1 (en) * | 2017-10-09 | 2019-04-18 | Qualcomm Incorporated | Configuration for legacy voice support in 5g |
| CN109951878A (en) * | 2017-12-20 | 2019-06-28 | 中国移动通信集团山东有限公司 | A kind of voice service switching method, terminal device, network side equipment and system |
| CN110063071A (en) * | 2017-10-13 | 2019-07-26 | 华为技术有限公司 | A kind of method and terminal of cell selection |
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