CN106304268A - A kind of network search method, device and terminal - Google Patents
A kind of network search method, device and terminal Download PDFInfo
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- CN106304268A CN106304268A CN201510300455.XA CN201510300455A CN106304268A CN 106304268 A CN106304268 A CN 106304268A CN 201510300455 A CN201510300455 A CN 201510300455A CN 106304268 A CN106304268 A CN 106304268A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
Abstract
The present invention provides a kind of network search method, device and terminal, described method includes: terminal, when roaming into second area from first area, opens the support function of the frequency range of the support function of the frequency range of the all-network of first area and the all-network of second area；Terminal reports the ability of the frequency range of the all-network of the described first area of described terminal support to the all-network of first area, and reports the ability of the frequency range of the all-network of the described terminal described second area of support to the all-network of second area；Terminal is during start network selection or off-grid are heavily searched, according to the configuration status of the reciprocity PLMN EPLMN between first area and second area, the community of the network of search first area and/or the community of the network of second area.The network search method that the present invention provides, scans for according to the configuring condition of EPLMN, improves the success rate of roaming place access network.
Description
Technical field
The present invention relates to communication technical field, particularly relate to a kind of network search method, device and terminal.
Background technology
The effect of EPLMN (Equivalent Public Land Mobile Network, equivalence PLMN) is
When roaming across PLMN, the PLMN that terminal prioritizing selection signing registered network is recommended, protects this operation
The interests of business.EPLMN function make mobile subscriber select PLMN time can be by different PLMN generations
To be considered status each other equal for code, can apply to PLMN when selecting, Cell (weight) when selecting, cuts
Sight when changing.Network is at Location Update, Routing Area Update, Tracking Area
During Update, GPRS Attach, LTE Attach, network sends EPLMN list to terminal, eventually
The PLMN of this EPLMN list and this list of transmission can be collectively stored in " the equivalent of terminal by end
PLMNs " in table.
Under roaming scence based on EPLMN, it is possible that terminal is not according to the change of EPLMN
Judging to lay oneself open to roaming state, the support standard or the frequency range that carry out corresponding roaming country /region update, and lead
Cause can not access the different systems of nearby nations/LAN or the problem of frequency range, affects the roaming body of user
Test.
Summary of the invention
The technical problem to be solved is, it is provided that a kind of network search method, device and terminal,
Can scan for according to the configuring condition of EPLMN, improve the success rate of roaming place access network.
An aspect according to the embodiment of the present invention, it is provided that a kind of network search method, including:
Terminal, when roaming into second area from first area, opens the frequency range of the all-network of first area
Support the support function of the frequency range of the all-network of function and second area；
Terminal reports described terminal to support the all-network of described first area to the all-network of first area
The ability of frequency range, and report described terminal to support the institute of described second area to the all-network of second area
There is the ability of the frequency range of network；
Terminal in start network selection or during off-grid heavily searches, right according between first area and second area
Deng the configuration status of PLMN EPLMN, the community of the network of search first area and/or the
The community of the network in two regions.
Further, terminal is during start network selection or off-grid are heavily searched, according to first area and the secondth district
The configuration status of the reciprocity PLMN EPLMN between territory, the frequency of the network of search first area
The step of the frequency range of the network of section and/or second area includes:
Terminal is during start network selection or off-grid are heavily searched, if residing in the public of first area before terminal
Land mobile PLMN, and do not receive the configuration letter of the EPLMN that second area is configured to first area
Whether breath, then search network support little of second area under the PLMN of first area according to terminal
The situation in district, determines the community of the network searching for described first area.
Further, under the PLMN of first area, the network of second area whether is searched according to terminal
The situation of the community supported, determines that the step of the community of the network searching for described first area includes:
Terminal does not searches or the resident community crossing first network under the PLMN of first area, then eventually
End only searches for the community of other network in addition to first network of described first area.
Further, the community of described first network includes: the second of the second area configured in first area
The community of network；
The community of other network described includes: the community of 2G, 3G and TD-LTE network in first area.
Further, under the PLMN of first area, the network of second area whether is searched according to terminal
The situation of the community supported, determines that the step of the community of the network searching for described first area includes:
Terminal searches or the community of resident mistake the 3rd network, then terminal under the PLMN of first area
Search for the community of the all-network of described first area.
Further, it is characterised in that the community of described 3rd network includes: in first area the of configuration
The community of second network in two regions；
The community of the all-network of described first area includes: 2G, 3G, the TD-LTE in first area
Community with FDD-LTE.
Further, terminal is during start network selection or off-grid are heavily searched, according to first area and the secondth district
The configuration status of the reciprocity PLMN EPLMN between territory, the frequency of the network of search first area
The step of the frequency range of the network of section and/or second area includes:
Terminal is during start network selection or off-grid are heavily searched, if residing in the public of first area before terminal
Land mobile PLMN, and receive the configuration information of the EPLMN that second area is configured to first area,
Then terminal first searches for the community of all-network of described first area, searches again for the all-network of second area
Community, and not repeat search.
Another aspect according to the embodiment of the present invention, it is provided that a kind of web search device, including:
Opening module, for terminal when roaming into second area from first area, opens the institute of first area
There is the support function of the frequency range of the support function of the frequency range of network and the all-network of second area；
Reporting module, reports described terminal to support described first area for the all-network to first area
The ability of the frequency range of all-network, and report described terminal to support described second to the all-network of second area
The ability of the frequency range of the all-network in region；
Search module, for terminal in start network selection or during off-grid heavily searches, according to first area and the
The configuration status of the reciprocity PLMN EPLMN between two regions, the network of search first area
Community and/or the community of network of second area.
Further, described search module specifically for terminal in start network selection or during off-grid heavily searches,
If residing in the PLMN PLMN of first area before terminal, and do not receive second area is joined
It is set to the configuration information of the EPLMN of first area, then according to terminal under the PLMN of first area is
The situation of the community of the no network support searching second area, determines the network searching for described first area
Community.
Further, described search module be additionally operable to terminal do not search under the PLMN of first area or
Person resident cross first network community time, only search for other network in addition to first network of described first area
Community.
Further, the community of described first network includes: the second of the second area configured in first area
The community of network；
The community of other network described includes: the community of 2G, 3G and TD-LTE network in first area.
Further, described search module be additionally operable to terminal search under the PLMN of first area or
During the community of resident mistake the 3rd network, search for the community of the all-network of described first area.
Further, the community of described 3rd network includes: the second of the second area configured in first area
The community of network；
The community of the all-network of described first area includes: 2G, 3G, the TD-LTE in first area
Community with FDD-LTE.
Further, described search module is additionally operable to terminal in start network selection or during off-grid heavily searches, if
Reside in the PLMN PLMN of first area before terminal, and receive second area is configured to
The configuration information of the EPLMN of first area, the most first searches for the community of the all-network of described first area,
Search again for the community of the all-network of second area, and not repeat search.
According to another aspect of the embodiment of the present invention, additionally provide a kind of terminal, including filling as above
Put.
Having the beneficial effect that of the technique scheme of the present invention:
The embodiment of the present invention provide network search method, terminal when first area is roamed into second area,
Can open the frequency range tenability of the all-network in corresponding two regions, and respectively to two area reportings these
Tenability, when start network selection or off-grid are heavily searched, according to the configuring condition of the EPLMN in two regions,
Search section subnetwork and corresponding frequency range.The method is it can be avoided that because terminal is not according to the change of EPLMN
Changing judgement and lay oneself open to roaming state, carry out support network and the renewal of frequency range of corresponding region, causing can not
Get involved heterogeneous networks and the problem of frequency range of random zone, improve roaming success rate, save radio frequency simultaneously
The expense of device, improves roamer and experiences.
Accompanying drawing explanation
Fig. 1 does not update support standard or the scene schematic diagram of frequency range for the terminal that the embodiment of the present invention provides
One of；
Fig. 2 does not update support standard or the scene schematic diagram of frequency range for the terminal that the embodiment of the present invention provides
Two；
The network search method flow chart that Fig. 3 provides for the embodiment of the present invention；
The web search device block diagram that Fig. 4 provides for the embodiment of the present invention.
Detailed description of the invention
It is more fully described the exemplary embodiment of the present invention below with reference to accompanying drawings.Although accompanying drawing shows
The exemplary embodiment of the present invention, it being understood, however, that may be realized in various forms the present invention and should be by
Embodiments set forth here is limited.On the contrary, it is provided that these embodiments are able to be best understood from this
Invention, and complete for the scope of the present invention can be conveyed to those skilled in the art.
The PLMN that EPLMN is currently selected with user terminal is in the PLMN of par, and it is excellent
First level is identical.EPLMN mainly solves to share that the user of network and former network is resident and roaming policy.Operation
Business can configure the PLMN network of equity, can realize communication network resource and share between these networks.
From the angle of business, it makes between the Internet resources of different operators, or same operator defines not
Share with communication network resource can be realized between PLMN.Terminal passes through net after need not be dragged to off-grid again
Network search and network select to register, the bigger time delay saving Roaming Registration.
But under roaming scence based on EPLMN, it is possible that terminal does not update support standard or frequency
The problem of section, causes different systems or the frequency range that can not access nearby nations/LAN.
Shown in being exemplified below, as it is shown in figure 1, terminal report in China's Mainland support LTE frequency range band 3,
38,39,40,41, it is assumed that border is coated with Band 40 network of Hongkong, when based on EPLMN
Roam into Hongkong, do not have judgement to lay oneself open to roaming state, still report support LTE frequency range band 3,
38,39,40,41, cause the LTE network that can not access Hong Kong band 7；Assume again that border only covers
Band 7 network of Hongkong, does not update band support, does not measures Band 7 due to terminal,
Therefore cannot be carried out gravity treatment/redirection based on EPLMN.
The most such as, as in figure 2 it is shown, terminal report in Hongkong support LTE frequency range band 3,7,8,
40, it is assumed that border is coated with Band 40 network of CONTINENTAL AREA OF CHINA, in roaming into based on EPLMN
State Continental Area, does not has judgement to lay oneself open to roaming state, still report support LTE frequency range band 3,7,
8,40, cause the LTE network that can not access China's Mainland band 38 and band39；Assume again that border is only
Cover Band 38 or Band 39 network of CONTINENTAL AREA OF CHINA, do not update band support due to terminal,
Band 38 and Band 39 is not measured, therefore cannot be carried out gravity treatment/redirection based on EPLMN.
Based on the problems referred to above, according to an aspect of the embodiment of the present invention, it is provided that a kind of network search method,
Only search for part standard and frequency range according to network configuration when net is searched in start and off-grid heavily searches, as it is shown on figure 3,
Described method includes:
S301, terminal, when roaming into second area from first area, open the all-network of first area
The support function of the frequency range of the support function of frequency range and the all-network of second area.
S302, terminal report described terminal to support all of described first area to the all-network of first area
The ability of the frequency range of network, and report described terminal to support described second area to the all-network of second area
The ability of frequency range of all-network.
S303, terminal in start network selection or during off-grid heavily searches, according to first area and second area it
Between the configuration status of reciprocity PLMN EPLMN, the community of the network of search first area and
/ or the community of network of second area.
The embodiment of the present invention provide network search method, terminal when first area is roamed into second area,
The frequency range tenability of the all-network that corresponding two Local Area Networks are disposed can be opened, and respectively to two regions
Report these tenabilities, when start shooting network selection or off-grid are heavily searched, according to joining of the EPLMN in two regions
Put situation, a search section subnetwork and corresponding frequency range.The method it can be avoided that because of terminal not according to
The change of EPLMN judges to lay oneself open to roaming state, carries out the support network of corresponding region and frequency range more
Newly, the problem causing heterogeneous networks and the frequency range that can not get involved random zone, improve roaming success rate, with
Time save the expense of radio-frequency devices, improve roamer and experience.
In embodiments of the present invention, terminal in start network selection or during off-grid heavily searches, step S303 bag
Include:
Terminal is during start network selection or off-grid are heavily searched, if residing in the public of first area before terminal
Land mobile PLMN, and do not receive the configuration letter of the EPLMN that second area is configured to first area
Whether breath, then search network support little of second area under the PLMN of first area according to terminal
The situation in district, determines the community of the network searching for described first area.
Concrete, the network whether searching second area according to terminal under the PLMN of first area props up
The situation of the community held, determines that the step of the community of the network searching for described first area includes:
1) terminal does not searches or the resident community crossing first network under PLMN, then terminal is only searched for
The community of other network in addition to first network of described first area.Wherein, the community of first network includes:
The community of the second network of the second area of configuration in first area；The community of other network includes: the firstth district
The community of 2G, 3G and TD-LTE network in territory.
For example, it is assumed that China's Mainland network design TD-LTE band 38,39,40,41, big in China
The minority area in land deploys LTE FDD band 3, Hong-Kong network design LTE FDD band 3,
7,8 and TD-LTE band 40.
It is roamed into by China's Mainland as a example by region, Hong Kong, resident before this start network selection or generation off-grid
Before China's Mainland PLMN, and this start shooting network selection or generation off-grid, terminal does not receives and is made into by Hong Kong network
The network configuration of EPLMN, and terminal does not searches under the PLMN of continent or under this PLMN of resident mistake
LTE FDD community, then search only for after terminal off-grid TD-LTE (frequency range be Band 38,39,40,
41), TD-SCDMA (3G) and GSM mode (2G) and corresponding band.For region, Hong-Kong,
Mechanism is in like manner.
2) if terminal is searching in first area or searching under this PLMN of resident mistake or resident mistake
The community of three networks, the then community of the all-network of first area described in terminal searching.Wherein, the 3rd network
Community include: in first area the community of the second network of the second area of configuration；Described first area
The community of all-network includes: the community of 2G, 3G, TD-LTE and FDD-LTE in first area.
Such as, resident China's Mainland PLMN before this start network selection or generation off-grid, and this start
Network selection or the terminal before off-grid that occurs do not receive the network configuration that Hong Kong network is made into EPLMN, but terminal
Search under the PLMN of continent or LTE FDD (frequency range is Band 3) under this PLMN of resident mistake is little
District, then search for TD-LTE (frequency range is Band 38,39,40,41), LTE FDD (frequently after terminal off-grid
Section is Band 3), TD-SCDMA (3G) and GSM mode (2G) and corresponding band.For China
Region, Hong Kong, mechanism is in like manner.
In another specific embodiment of the present invention, above-mentioned steps S303 includes:
Terminal is during start network selection or off-grid are heavily searched, if residing in the public of first area before terminal
Land mobile PLMN, and receive the configuration information of the EPLMN that second area is configured to first area,
Then terminal first searches for the community of all-network of described first area, searches again for the all-network of second area
Community, and not repeat search.
Such as, resident China's Mainland PLMN before this start network selection or generation off-grid, and this start
Network selection or occur terminal before off-grid to have been received by being made into Hong Kong network the network configuration of EPLMN, no matter in
Whether state's continent network is configured with the adjacent area frequency point information of Hong Kong network and relevant observing and controlling information, then terminal is opened
Need first to search for TD-LTE, TD-SCDMA and GSM mode and corresponding band after machine network selection or generation off-grid
(LTE is Band 38,39,40,41), then searches again for LTE FDD, WCDMA mode and phase
The frequency range (LTE is Band 3,7,8) answered, the network before searched for is not repeated search.In for
Region, state Hong Kong, mechanism is in like manner.
The network search method that this bright embodiment provides can avoid terminal for the frequency range deployment of country /region
Situation only open to should the support standard of country /region and frequency range, cause in roaming based on EPLMN
The situation of the different systems and frequency range that can not access nearby nations/LAN under scene occurs, and improves unrestrained
Trip success rate, and save the expense of radio-frequency devices, save power consumption of terminal, improve roamer and experience.
Another aspect according to the embodiment of the present invention, it is provided that a kind of web search device, as shown in Figure 4,
Described device includes:
Opening module 401, for terminal when roaming into second area from first area, opens first area
The support function of frequency range of all-network and the support function of frequency range of all-network of second area；
Reporting module 402, reports described terminal to support described firstth district for the all-network to first area
The ability of the frequency range of the all-network in territory, and it is described to report described terminal to support to the all-network of second area
The ability of the frequency range of the all-network of second area；
Search module 403, for terminal during start network selection or off-grid are heavily searched, according to first area
And the configuration status of the reciprocity PLMN EPLMN between second area, search first area
The community of network and/or the community of the network of second area.
Further, described search module specifically for terminal in start network selection or during off-grid heavily searches,
If residing in the PLMN PLMN of first area before terminal, and do not receive second area is joined
It is set to the configuration information of the EPLMN of first area, then according to terminal under the PLMN of first area is
The situation of the community of the no network support searching second area, determines the network searching for described first area
Community.
Further, described search module is additionally operable to terminal and does not searches under PLMN or resident mistake
During the community of one network, only search for the community of other network in addition to first network of described first area.
Further, the community of described first network includes: the second of the second area configured in first area
The community of network；
The community of other network described includes: the community of 2G, 3G and TD-LTE network in first area.
Further, described search module is additionally operable to terminal and searches under PLMN or resident mistake the 3rd
During the community of network, search for the community of the all-network of described first area.
Further, the community of described 3rd network includes: the second of the second area configured in first area
The community of network；
The community of the all-network of described first area includes: 2G, 3G, the TD-LTE in first area
Community with FDD-LTE.
Further, described search module is additionally operable to terminal in start network selection or during off-grid heavily searches, if
Reside in the PLMN PLMN of first area before terminal, and receive second area is configured to
The configuration information of the EPLMN of first area, the most first searches for the community of the all-network of described first area,
Search again for the community of the all-network of second area, and not repeat search.
It should be noted that this device is the device corresponding with above-mentioned network search method, said method is implemented
In example, all implementations are all be applicable to the embodiment of this device, also can reach identical technique effect.
According to another aspect of the embodiment of the present invention, also provide for a kind of terminal, including device as above.
The above is the preferred embodiment of the present invention, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from principle of the present invention, it is also possible to make some improvements and modifications,
These improvements and modifications also should be regarded as protection scope of the present invention.
Claims (15)
1. a network search method, it is characterised in that including:
Terminal, when roaming into second area from first area, opens the frequency range of the all-network of first area
Support the support function of the frequency range of the all-network of function and second area；
Terminal reports described terminal to support the all-network of described first area to the all-network of first area
The ability of frequency range, and report described terminal to support the institute of described second area to the all-network of second area
There is the ability of the frequency range of network；
Terminal in start network selection or during off-grid heavily searches, right according between first area and second area
Deng the configuration status of PLMN EPLMN, the community of the network of search first area and/or the
The community of the network in two regions.
Network search method the most according to claim 1, it is characterised in that terminal is in start network selection
Or during off-grid is heavily searched, according to the reciprocity PLMN between first area and second area
The configuration status of EPLMN, the frequency range of the network of search first area and/or the frequency range of the network of second area
Step include:
Terminal is during start network selection or off-grid are heavily searched, if residing in the public of first area before terminal
Land mobile PLMN, and do not receive the configuration letter of the EPLMN that second area is configured to first area
Whether breath, then search network support little of second area under the PLMN of first area according to terminal
The situation in district, determines the community of the network searching for described first area.
Network search method the most according to claim 2, it is characterised in that according to terminal first
Whether search the situation of the community of the network support of second area under the PLMN in region, determine search institute
The step of the community stating the network of first area includes:
Terminal does not searches or the resident community crossing first network under the PLMN of first area, then eventually
End only searches for the community of other network in addition to first network of described first area.
Network search method the most according to claim 3, it is characterised in that
The community of described first network includes: in first area the community of the second network of the second area of configuration；
The community of other network described includes: the community of 2G, 3G and TD-LTE network in first area.
Network search method the most according to claim 2, it is characterised in that according to terminal first
Whether search the situation of the community of the network support of second area under the PLMN in region, determine search institute
The step of the community stating the network of first area includes:
Terminal searches or the community of resident mistake the 3rd network, then terminal under the PLMN of first area
Search for the community of the all-network of described first area.
Network search method the most according to claim 5, it is characterised in that
The community of described 3rd network includes: in first area the community of the second network of the second area of configuration；
The community of the all-network of described first area includes: 2G, 3G, the TD-LTE in first area
Community with FDD-LTE.
Network search method the most according to claim 1, it is characterised in that terminal is in start network selection
Or during off-grid is heavily searched, according to the reciprocity PLMN between first area and second area
The configuration status of EPLMN, the frequency range of the network of search first area and/or the frequency range of the network of second area
Step include:
Terminal is during start network selection or off-grid are heavily searched, if residing in the public of first area before terminal
Land mobile PLMN, and receive the configuration information of the EPLMN that second area is configured to first area,
Then terminal first searches for the community of all-network of described first area, searches again for the all-network of second area
Community, and not repeat search.
8. a web search device, it is characterised in that including:
Opening module, for terminal when roaming into second area from first area, opens the institute of first area
There is the support function of the frequency range of the support function of the frequency range of network and the all-network of second area；
Reporting module, reports described terminal to support described first area for the all-network to first area
The ability of the frequency range of all-network, and report described terminal to support described second to the all-network of second area
The ability of the frequency range of the all-network in region；
Search module, for terminal in start network selection or during off-grid heavily searches, according to first area and the
The configuration status of the reciprocity PLMN EPLMN between two regions, the network of search first area
Community and/or the community of network of second area.
Web search device the most according to claim 8, it is characterised in that described search module has
Body for terminal in start network selection or during off-grid heavily searches, if residing in the public affairs of first area before terminal
Use land mobile PLMN, and do not receive the configuration of the EPLMN that second area is configured to first area
Whether information, then search the network support of second area under the PLMN of first area according to terminal
The situation of community, determines the community of the network searching for described first area.
Web search device the most according to claim 9, it is characterised in that described search module is also
Do not search under the PLMN of first area for terminal or resident cross first network community time, only
Search for the community of other network in addition to first network of described first area.
11. web search devices according to claim 10, it is characterised in that
The community of described first network includes: in first area the community of the second network of the second area of configuration；
The community of other network described includes: the community of 2G, 3G and TD-LTE network in first area.
12. web search devices according to claim 2, it is characterised in that described search module is also
Search under the PLMN of first area for terminal or during the community of resident mistake the 3rd network, search
The community of the all-network of described first area.
13. web search devices according to claim 12, it is characterised in that
The community of described 3rd network includes: in first area the community of the second network of the second area of configuration；
The community of the all-network of described first area includes: 2G, 3G, the TD-LTE in first area
Community with FDD-LTE.
14. web search devices according to claim 1, it is characterised in that described search module is also
For terminal during start network selection or off-grid are heavily searched, if residing in the public of first area before terminal
Land mobile PLMN, and receive the configuration information of the EPLMN that second area is configured to first area,
The most first search for the community of the all-network of described first area, search again for the community of the all-network of second area,
And not repeat search.
15. 1 kinds of terminals, it is characterised in that include the device as described in any one of claim 8-14.
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| CN201510300455.XA CN106304268B (en) | 2015-06-03 | 2015-06-03 | A kind of network search method, device and terminal |
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| CN201510300455.XA CN106304268B (en) | 2015-06-03 | 2015-06-03 | A kind of network search method, device and terminal |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109302730A (en) * | 2017-07-25 | 2019-02-01 | 华为技术有限公司 | A kind of network search method and terminal |
| CN109819433A (en) * | 2017-11-20 | 2019-05-28 | 中国移动通信有限公司研究院 | Rete mirabile roams processing method, communication equipment and storage medium |
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