CN105208611B - A kind of circuit domain dropping that reduces redirects the method and device for connecting delay - Google Patents
A kind of circuit domain dropping that reduces redirects the method and device for connecting delay Download PDFInfo
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- 230000000977 initiatory effect Effects 0.000 claims description 9
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Abstract
The present invention relates to communication technical field, more particularly to a kind of circuit domain dropping that reduces to redirect the method and device for connecting delay, and this method includes：The configured information for carrying circuit domain dropping information that LTE network issues is received, the configured information includes the Location Area Code of LTE cells；Redirection cell list is interpreted according to the configured information；The redirection cell for judging most to match with the LTE cells according to the signal intensity of cell in the redirection cell list and Location Area Code；It is redirected to the redirection cell most matched, the Location Area Code of counterweight directional cell and the Location Area Code of LTE cells are contrasted when the present invention passes through falling, the redirection cell of prioritizing selection same position area code is fallen after rise, mobile terminal is avoided to carry out location updating after falling after rise as far as possible, reduce the connection time delay that circuit domain dropping redirects, reduce due to connecting mortality caused by location updating failure.
Description
Technical field
The present invention relates to communication technical field, more particularly to a kind of circuit domain dropping that reduces to redirect the method for connecting delay
And device.
Background technology
In the prior art, provide mobile phone in LTE (Long Term in the voice protocol of mobile communication carrier
Evolution when) CSFB (Circuit Switched Fallback, circuit domain dropping) falls back to redirection cell, if hand
Cell LAC (Location Area Code, Location Area Code) selected by machine with when LTE cell differences, it is necessary to first carry out
Location updating, location updating is waited to be continued again after being over call；Many places are not carried out MTRF as defined in agreement in netting in fact
(Mean Time to Repair Fault, mean repair time) function, so as to have subnetwork after the completion of location updating
Releasing network resource cause CSFB call failure, separately in fact net in order to increase mobile phone CSFB falling success rate, operator's meeting
All redirection cells in periphery are all added to LTE and face area, the cell that so may result in same LAC and different LAC all exists
LTE faces in area, and mobile phone is given tacit consent to the best redirection cell of meeting selection signal during CSFB and fallen after rise, when handset-selected
When redirecting cell LAC with LTE cell LAC differences, mobile phone needs to increase the process of a location updating, thus increases whole
Individual talkthrough delay.
The content of the invention
, can it is an object of the invention to propose a kind of method and device for reducing circuit domain dropping and redirecting connection delay
Reduce the connection time delay that circuit domain dropping redirects, reduce due to connecting mortality caused by location updating failure.
To use following technical scheme up to this purpose, the present invention：
A kind of circuit domain dropping that reduces redirects the method for connecting delay, including：
Step 110, receive the configured information for carrying circuit domain dropping information that LTE network issues, the configured information
Include the Location Area Code of LTE cells；
Step 120, redirection cell list interpreted according to the configured information；
Step 130, according to it is described redirection cell list in cell signal intensity and Location Area Code judge with it is described
The redirection cell that LTE cells most match；
Step 140, it is redirected to the redirection cell most matched.
Wherein, the step 130 includes：
Step 131, judge whether the signal intensity of i-th of cell in the redirection cell list is more than default threshold
Value, wherein, i is the integer incremented by successively from 1 to n, and n is the cell number in the redirection cell list；
Step 132, if so, then judge i-th of cell Location Area Code whether the Location Area Code with the LTE cells
It is identical；
Step 133, if so, then by i-th of cell write the first cell list to be selected；
Step 134, for i+1 cell repeat step 131 to step 133；
Whether step 135, n cell for judging to redirect in cell list all carried out the comparison with the threshold value；
Step 136, if so, then judging whether the described first cell list to be selected is empty；
Step 137, if not empty, then arrange the cell in the described first cell list to be selected according to signal intensity
Sequence, and the most strong cell of selection signal intensity is attached most importance to directional cell.
Wherein, also include after the step 131：
If step 1321, the signal intensity of n cell redirected in cell list are smaller than the default threshold value, right
The n cell is ranked up according to signal intensity, and the most strong cell of selection signal intensity is attached most importance to directional cell.
Wherein, also include after the step 132：
, will if the Location Area Code and the Location Area Code of the LTE cells of step 1331, i-th of cell differ
I-th of cell writes the second cell list to be selected.
Wherein, also include after the step 136：
If step 1371, first cell list to be selected are sky, to the cell in the described second cell list to be selected
It is ranked up according to signal intensity, and the most strong cell of selection signal intensity is attached most importance to directional cell.
Wherein, also include before the step 110：
Step 100, mobile terminal initiate signaling connection initiating speech conversation under LTE network.
A kind of circuit domain dropping that reduces redirects the device for connecting delay, including：
Receiving module, the configured information for carrying circuit domain dropping information issued for receiving LTE network, the instruction
Information includes the Location Area Code of LTE cells；
Read through model is solved, for interpreting redirection cell list according to the configured information；
Matching module, for according to it is described redirection cell list in cell signal intensity and Location Area Code judge with
The redirection cell that the LTE cells most match；
Redirection module, for being redirected to the redirection cell most matched.
Wherein, the matching module includes：
Signal intensity judge module, for judging that the signal intensity of i-th of cell in the redirection cell list is
It is no to be more than default threshold value, wherein, i is the integer incremented by successively from 1 to n, and n is the cell in the redirection cell list
Number；
Location Area Code judge module, the signal intensity for i-th of cell in the redirection cell list are more than
During default threshold value, judge whether the Location Area Code of i-th of cell is identical with the Location Area Code of the LTE cells；
First writing module is identical with the Location Area Code of the LTE cells for the Location Area Code in i-th of cell
When, i-th of cell is write into the first cell list to be selected；
Addition module, for being judged for i+1 cell；
Whether loop module, the n cell for judging to redirect in cell list all carried out the ratio with the threshold value
Compared with；
First judge module, for loop module work complete when, judge the described first cell list to be selected whether be
It is empty；
First matching module is for if not empty, then strong according to signal to the cell in the described first cell list to be selected
Degree is ranked up, and the most strong cell of selection signal intensity is attached most importance to directional cell.
Wherein, in addition to：
Second matching module, if being smaller than described preset for redirecting the signal intensity of n cell in cell list
Threshold value, the n cell is ranked up according to signal intensity, and the most strong cell of selection signal intensity is small to redirect
Area；
Second writing module, if the Location Area Code not phase of Location Area Code and the LTE cells for i-th of cell
Together, then i-th of cell is write into the second cell list to be selected.
3rd matching module, if being sky for the described first cell list to be selected, to the described second cell list to be selected
Interior cell is ranked up according to signal intensity, and the most strong cell of selection signal intensity is attached most importance to directional cell.
Wherein, in addition to：Mobile terminal；
The mobile terminal, for initiating signaling connection initiating speech conversation under LTE network.
Beneficial effects of the present invention are：A kind of circuit domain dropping that reduces redirects the method and device for connecting delay, the party
Method includes：The configured information for carrying circuit domain dropping information that LTE network issues is received, the configured information includes LTE
The Location Area Code of cell；Redirection cell list is interpreted according to the configured information；According in the redirection cell list
The signal intensity and Location Area Code of cell judge the redirection cell most matched with the LTE cells；Described in being redirected to most
The redirection cell of matching, the Location Area Code of counterweight directional cell and the Location Area Code of LTE cells enter when the present invention passes through falling
Row contrast, the redirection cell of prioritizing selection same position area code are fallen after rise, avoid mobile terminal to fall laggard line position after rise as far as possible
Renewal is put, reduces the connection time delay that circuit domain dropping redirects, is reduced due to connecting mortality caused by location updating failure.
Brief description of the drawings
Fig. 1 is that the circuit domain dropping that reduces that the embodiment of the present invention one provides redirects the method flow diagram for connecting delay.
Fig. 2 is the method for the redirection cell for judging most to match with the LTE cells that the embodiment of the present invention one provides
Flow chart.
Fig. 3 is the structure chart for reducing circuit domain dropping and redirecting the device for connecting delay that the embodiment of the present invention two provides.
Fig. 4 is the structure chart for the matching module that the embodiment of the present invention two provides.
Embodiment
Technical scheme is further illustrated with reference to Fig. 1-Fig. 4 and by embodiment.
Embodiment one
Fig. 1 is that the circuit domain dropping that reduces that the embodiment of the present invention one provides redirects the method flow diagram for connecting delay.
A kind of circuit domain dropping that reduces redirects the method for connecting delay, including：
Step 110, receive the configured information for carrying circuit domain dropping information that LTE network issues, the configured information
Include the Location Area Code of LTE cells；
Step 120, redirection cell list interpreted according to the configured information；
Step 130, according to it is described redirection cell list in cell signal intensity and Location Area Code judge with it is described
The redirection cell that LTE cells most match；
Step 140, it is redirected to the redirection cell most matched.
In the present embodiment, the Location Area Code of counterweight directional cell and the Location Area Code of LTE cells are carried out when passing through falling
Contrast, the redirection cell of prioritizing selection same position area code are fallen after rise, are avoided mobile terminal to fall laggard line position after rise as far as possible and are put
Renewal, reduce the connection time delay that circuit domain dropping redirects, reduce due to connecting mortality caused by location updating failure.
In the present embodiment, the configured information is RRC (Radio Resource Control, wireless heterogeneous networks association
View) Connection Release information.
As shown in Fig. 2 in the present embodiment, the step 130 includes：
Step 131, judge whether the signal intensity of i-th of cell in the redirection cell list is more than default threshold
Value, wherein, i is the integer incremented by successively from 1 to n, and n is the cell number in the redirection cell list；
Step 132, if so, then judge i-th of cell Location Area Code whether the Location Area Code with the LTE cells
It is identical；
Step 133, if so, then by i-th of cell write the first cell list to be selected；
Step 134, for i+1 cell repeat step 131 to step 133；
Whether step 135, n cell for judging to redirect in cell list all carried out the comparison with the threshold value；
Step 136, if so, then judging whether the described first cell list to be selected is empty；
Step 137, if not empty, then arrange the cell in the described first cell list to be selected according to signal intensity
Sequence, and the most strong cell of selection signal intensity is attached most importance to directional cell.
In the present embodiment, also include after the step 131：
If step 1321, the signal intensity of n cell redirected in cell list are smaller than the default threshold value, right
The n cell is ranked up according to signal intensity, and the most strong cell of selection signal intensity is attached most importance to directional cell.
In the present embodiment, also include after the step 132：
, will if the Location Area Code and the Location Area Code of the LTE cells of step 1331, i-th of cell differ
I-th of cell writes the second cell list to be selected.
In the present embodiment, also include after the step 136：
If step 1371, first cell list to be selected are sky, to the cell in the described second cell list to be selected
It is ranked up according to signal intensity, and the most strong cell of selection signal intensity is attached most importance to directional cell.
In the present embodiment, also include before the step 110：
Step 100, mobile terminal initiate signaling connection initiating speech conversation under LTE network.
Embodiment two
As shown in figure 3, a kind of circuit domain dropping that reduces redirects the device for connecting delay, including：
Receiving module, the configured information for carrying circuit domain dropping information issued for receiving LTE network, the instruction
Information includes the Location Area Code of LTE cells；
Read through model is solved, for interpreting redirection cell list according to the configured information；
Matching module, for according to it is described redirection cell list in cell signal intensity and Location Area Code judge with
The redirection cell that the LTE cells most match；
Redirection module, for being redirected to the redirection cell most matched.
As shown in figure 4, in the present embodiment, the matching module includes：
Signal intensity judge module, for judging that the signal intensity of i-th of cell in the redirection cell list is
It is no to be more than default threshold value, wherein, i is the integer incremented by successively from 1 to n, and n is the cell in the redirection cell list
Number；
Location Area Code judge module, the signal intensity for i-th of cell in the redirection cell list are more than
During default threshold value, judge whether the Location Area Code of i-th of cell is identical with the Location Area Code of the LTE cells；
First writing module is identical with the Location Area Code of the LTE cells for the Location Area Code in i-th of cell
When, i-th of cell is write into the first cell list to be selected；
Addition module, for being judged for i+1 cell；
Whether loop module, the n cell for judging to redirect in cell list all carried out the ratio with the threshold value
Compared with；
First judge module, for loop module work complete when, judge the described first cell list to be selected whether be
It is empty；
First matching module is for if not empty, then strong according to signal to the cell in the described first cell list to be selected
Degree is ranked up, and the most strong cell of selection signal intensity is attached most importance to directional cell.
In the present embodiment, in addition to：
Second matching module, if being smaller than described preset for redirecting the signal intensity of n cell in cell list
Threshold value, the n cell is ranked up according to signal intensity, and the most strong cell of selection signal intensity is small to redirect
Area；
Second writing module, if the Location Area Code not phase of Location Area Code and the LTE cells for i-th of cell
Together, then i-th of cell is write into the second cell list to be selected.
3rd matching module, if being sky for the described first cell list to be selected, to the described second cell list to be selected
Interior cell is ranked up according to signal intensity, and the most strong cell of selection signal intensity is attached most importance to directional cell.
In the present embodiment, in addition to：Mobile terminal；
The mobile terminal, for initiating signaling connection initiating speech conversation under LTE network.
The embodiment of the present invention is the foregoing is only, the description is merely to explain the principles of the invention, and
Limiting the scope of the invention can not be construed in any way.Based on explanation herein, those skilled in the art is not
Other specific implementation methods of the present invention can be associated by needing to pay performing creative labour, and these modes fall within the present invention
Protection domain within.
Claims (8)
1. a kind of circuit domain dropping that reduces redirects the method for connecting delay, it is characterised in that including：
Step 110, the configured information for carrying circuit domain dropping information that LTE network issues is received, wrapped in the configured information
Include the Location Area Code of LTE cells；
Step 120, redirection cell list interpreted according to the configured information；
Step 130, according to it is described redirection cell list in cell signal intensity and Location Area Code judge it is small with the LTE
The redirection cell that area most matches；
Step 140, it is redirected to the redirection cell most matched；
Wherein, the step 130 includes：
Step 131, judge whether the signal intensity of i-th of cell in the redirection cell list is more than default threshold value,
Wherein, i is the integer incremented by successively from 1 to n, and n is the cell number in the redirection cell list；
Step 132, if so, then judge i-th of cell Location Area Code whether the Location Area Code phase with the LTE cells
Together；
Step 133, if so, then by i-th of cell write the first cell list to be selected；
Step 134, for i+1 cell repeat step 131 to step 133；
Whether step 135, n cell for judging to redirect in cell list all carried out the comparison with the threshold value；
Step 136, if so, then judging whether the described first cell list to be selected is empty；
Step 137, if not empty, then be ranked up to the cell in the described first cell list to be selected according to signal intensity, and
The most strong cell of selection signal intensity is attached most importance to directional cell.
2. a kind of circuit domain dropping that reduces according to claim 1 redirects the method for connecting delay, it is characterised in that institute
State step 131 also includes afterwards：
If step 1321, the signal intensity of n cell redirected in cell list are smaller than the default threshold value, to described
N cell is ranked up according to signal intensity, and the most strong cell of selection signal intensity is attached most importance to directional cell.
3. a kind of circuit domain dropping that reduces according to claim 1 redirects the method for connecting delay, it is characterised in that institute
State step 132 also includes afterwards：
If the Location Area Code and the Location Area Code of the LTE cells of step 1331, i-th of cell differ, by described in
I-th of cell writes the second cell list to be selected.
4. a kind of circuit domain dropping that reduces according to claim 3 redirects the method for connecting delay, it is characterised in that institute
State step 136 also includes afterwards：
If step 1371, first cell list to be selected for sky, to the cell in the described second cell list to be selected according to
Signal intensity is ranked up, and the most strong cell of selection signal intensity is attached most importance to directional cell.
5. a kind of circuit domain dropping that reduces according to claim 1 redirects the method for connecting delay, it is characterised in that institute
Also include before stating step 110：
Step 100, mobile terminal initiate signaling connection initiating speech conversation under LTE network.
6. a kind of circuit domain dropping that reduces redirects the device for connecting delay, it is characterised in that including：
Receiving module, the configured information for carrying circuit domain dropping information issued for receiving LTE network, the configured information
Include the Location Area Code of LTE cells；
Read through model is solved, for interpreting redirection cell list according to the configured information；
Matching module, for according to it is described redirection cell list in cell signal intensity and Location Area Code judge with it is described
The redirection cell that LTE cells most match；
Redirection module, for being redirected to the redirection cell most matched；
The matching module includes：
Signal intensity judge module, for judging whether the signal intensity of i-th of cell in the redirection cell list is big
In default threshold value, wherein, i is the integer incremented by successively from 1 to n, and n is the cell number in the redirection cell list；
Location Area Code judge module, the signal intensity for i-th of cell in the redirection cell list are more than default
Threshold value when, judge whether the Location Area Code of i-th of cell identical with the Location Area Code of the LTE cells；
First writing module, for when the Location Area Code of i-th of cell is identical with the Location Area Code of the LTE cells,
I-th of cell is write into the first cell list to be selected；
Addition module, for being judged for i+1 cell；
Whether loop module, the n cell for judging to redirect in cell list all carried out the comparison with the threshold value；
First judge module, for when loop module works completion, judging whether the described first cell list to be selected is empty；
First matching module, for if not empty, then entering to the cell in the described first cell list to be selected according to signal intensity
Row sequence, and the most strong cell of selection signal intensity is attached most importance to directional cell.
7. a kind of circuit domain dropping that reduces according to claim 6 redirects the device for connecting delay, it is characterised in that also
Including：
Second matching module, if being smaller than the default threshold for the signal intensity for redirecting n cell in cell list
Value, is ranked up to the n cell according to signal intensity, and the most strong cell of selection signal intensity is attached most importance to directional cell；
Second writing module, if the Location Area Code and the Location Area Code of the LTE cells for i-th of cell differ,
I-th of cell is then write into the second cell list to be selected；
3rd matching module, if being sky for the described first cell list to be selected, in the described second cell list to be selected
Cell is ranked up according to signal intensity, and the most strong cell of selection signal intensity is attached most importance to directional cell.
8. a kind of circuit domain dropping that reduces according to claim 6 redirects the device for connecting delay, it is characterised in that also
Including：Mobile terminal；
The mobile terminal, for initiating signaling connection initiating speech conversation under LTE network.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510183818.6A CN105208611B (en) | 2015-04-17 | 2015-04-17 | A kind of circuit domain dropping that reduces redirects the method and device for connecting delay |
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| CN201510183818.6A CN105208611B (en) | 2015-04-17 | 2015-04-17 | A kind of circuit domain dropping that reduces redirects the method and device for connecting delay |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106255157B (en) * | 2016-04-22 | 2019-06-28 | 重庆邮电大学 | A method of redirection process between optimization multimode user terminal mode |
| CN107635260B (en) * | 2016-07-19 | 2021-05-28 | 中兴通讯股份有限公司 | Circuit Switched Fallback (CSFB) redirection method, device, terminal and system |
| CN106507390B (en) * | 2016-10-24 | 2019-07-09 | 中国联合网络通信集团有限公司 | A kind of method and device of optimizing cells |
| CN106851754B (en) * | 2017-01-05 | 2019-08-13 | Oppo广东移动通信有限公司 | A kind of cell registration method and device |
| CN107040967A (en) * | 2017-03-20 | 2017-08-11 | 广东欧珀移动通信有限公司 | Circuit domain dropping abnormality eliminating method, device and user equipment |
| CN107959952B (en) * | 2017-12-21 | 2021-01-08 | 维沃移动通信有限公司 | Method and terminal for detecting inter-system cell |
| CN108668327B (en) * | 2018-04-23 | 2021-04-13 | 北京小米移动软件有限公司 | Communication method and device of mobile terminal |
| CN110392391B (en) * | 2019-07-23 | 2022-10-11 | 中国联合网络通信集团有限公司 | Cell fallback method and terminal equipment |
| CN110337128B (en) * | 2019-07-25 | 2021-07-27 | 中国联合网络通信集团有限公司 | Cell fallback method and system |
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| WO2011053824A2 (en) * | 2009-10-30 | 2011-05-05 | Interdigital Patent Holdings, Inc. | Method and apparatus for efficient signaling and usage of resources for wireless communications supporting circuit switched and packet switched sessions |
| EP2398264A2 (en) * | 2010-06-17 | 2011-12-21 | Vodafone IP Licensing Limited | Fallback between radio access technologies |
| CN103781131A (en) * | 2012-10-23 | 2014-05-07 | 联发科技股份有限公司 | Apparatus and method for circuit switched fallback |
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| WO2011053824A2 (en) * | 2009-10-30 | 2011-05-05 | Interdigital Patent Holdings, Inc. | Method and apparatus for efficient signaling and usage of resources for wireless communications supporting circuit switched and packet switched sessions |
| EP2398264A2 (en) * | 2010-06-17 | 2011-12-21 | Vodafone IP Licensing Limited | Fallback between radio access technologies |
| CN103781131A (en) * | 2012-10-23 | 2014-05-07 | 联发科技股份有限公司 | Apparatus and method for circuit switched fallback |
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Address after: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee after: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. Address before: Changan town in Guangdong province Dongguan 523860 usha Beach Road No. 18 Patentee before: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS Corp.,Ltd. |
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