CN101931927A - Processing method of urgent call - Google Patents
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- CN101931927A CN101931927A CN2009101502324A CN200910150232A CN101931927A CN 101931927 A CN101931927 A CN 101931927A CN 2009101502324 A CN2009101502324 A CN 2009101502324A CN 200910150232 A CN200910150232 A CN 200910150232A CN 101931927 A CN101931927 A CN 101931927A
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Abstract
The invention discloses a processing method of an urgent call, which comprises the steps of: when a terminal that is resided in a cell not supporting an urgent call service and is in a limited service and idle state initiates an urgent service request, if determining that a proper cell or an acceptable cell supporting the urgent service can not be found in the current network, the terminal supports a circuit domain voice service and is in a coverage range of other networks, selecting or reselecting the cell by the terminal, and selecting one acceptable cell to be resided in the other networks. By adopting the invention, the terminal can reselect the acceptable cell supporting the urgent call.
Description
Technical field
The present invention relates to the mobile communication technology field, relate in particular to a kind of processing method of urgent call.
Background technology
Insert (Wideband Code Division Multiple Access in Wideband Code Division Multiple Access (WCDMA), WCDMA) in the system, the preceding traditional urgent call of version 6 (Release 6) only is circuit commutative field (Circuit Switch, abbreviate CS as, also be called for short and make circuit domain) urgent call, this urgent call realizes by mobile switching centre's (Mobile-servicesSwitching Center abbreviates MSC as) of core net.
At long evolving system (Long-Term Evolution, abbreviate LTE as) in IP Multimedia System (IP Multimedia Subsystem, abbreviate IMS as) urgent call, different with the urgent call in CS territory, the urgent call of IMS realizes at the IMS of core net.
At present, support the Rel-8 core net of LTE not support the IMS urgent call, and the Rel-9 core net is supported urgent call.
If a UE will realize urgent call in wireless system, then need to consider the ability of UE itself and the ability of UE place network.From core net, whether the core net that needs to consider the UE place supports urgent call, and whether this core net supports CS rollback (Circuit Switch fall back, abbreviate CSFB as) etc., wherein, CSFB is meant that business that terminal is initiated is reoriented to by network and goes in the CS network to realize in IP wireless access networks such as LTE.Concerning UE, need then to consider that the state of UE is idle condition (Idle state) or connection status (connected state); Whether this UE can support urgent call; Whether this UE can support CSFB; And this UE in what service state (comprising: restriction service state (limited service state), normal service state (normal service state)), and UE is that CS/PS (Packet Switch, data field) mode1 still is CS/PS mode2 etc.
Therefore, in actual applications, may have certain UE, this UE is the Rel-9 version, and current idle condition, the limited service state of being in, and this UE support IMS urgent call are also supported CSFB, select to use CS/PS mode2.This UE is in the coverage of network P, and wherein, network P does not support CSFB, and A sub-district and B sub-district are two neighbor cells among the network P, and sub-district A does not support the urgent call of Rel-9, and sub-district B supports the urgent call of Rel-9.This UE is current resident at sub-district A, this UE belongs to arbitrary cells (the camped on any cell) state that resides in, this UE initiates urgent call, carry out agreement flow process as shown in Figure 1, as shown in Figure 1, in this case, UE triggering cell gravity treatment estimation process, search suitable cell (Suitable cell), select the suitable cell find then, rather than allow UE reselect to one to support the acceptance area (Acceptable cell) of urgent call to go to initiate urgent call from current area A.
Summary of the invention
In view of this, the invention provides a kind of processing method of urgent call, do not support under the situation of urgent call in the current resident sub-district of UE, can not reselect to a problem of supporting the acceptance area of urgent call in order to solve in the prior art.
A kind of processing method of urgent call is provided according to an aspect of the present invention.
Processing method according to urgent call of the present invention comprises: the terminal that is in limited service and idle condition that resides in the sub-district of not supporting emergence call service is when initiating emergent operation request, if the acceptance area of determining in current network, to find suitable cell or supporting urgency traffic, if this terminal is supported the circuit domain speech business, and the current coverage that is in other network of this terminal, then terminal is carried out cell selecting or gravity treatment, selects a resident acceptance area in other networks.
Particularly, determine can't find suitable cell or support the acceptance area of urgency traffic to comprise in current network: terminal is determined can't find the described acceptance area of suitable cell or support urgency traffic by the instruction of urgent call indication in the read system message in current network according to the indication of this instruction.
Preferably, above-mentioned other networks comprise one of following: global terrestrial radio access network, GSM EDGE Radio Access Network, CDMA access metwork network.
The processing method of another kind of urgent call is provided according to another aspect of the present invention.
Processing method according to urgent call of the present invention comprises: reside in the sub-district of not supporting emergence call service be in limited service, resident to any sub-district and the terminal of idle condition when initiating emergent operation request, if terminal is determined current resident sub-district and is not supported urgency traffic, then terminal is transferred to any cell status of search with its state sub-district from resident to any, when any sub-district of search, select to support in the current network acceptance area of urgent call; Perhaps terminal triggering cell gravity treatment estimation process in sub-district gravity treatment estimation process, is chosen an acceptance area of supporting urgent call, and transfers to resident to any cell status initiation urgent call.
Preferably, terminal determines that current resident sub-district do not support that urgency traffic comprises: the instruction of urgent call indication in the terminal read system message, if urgent call is not supported in the current resident sub-district of this instruction indication, then terminal determines that current resident sub-district do not support urgency traffic.
Preferably, if terminal can not find the acceptance area of supporting urgent call when any sub-district of search, then this method also comprises: terminal is proceeded search under any cell status of search.
Preferably, if terminal does not find the acceptance area of supporting urgent call in sub-district gravity treatment estimation process, then this method also comprises: terminal is transferred to any cell status of search, and acceptance area of search is resident down.
The processing method of another urgent call is provided according to a further aspect of the invention.
Processing method according to urgent call of the present invention comprises: reside in the limited service that is in of the sub-district of not supporting emergence call service, the resident terminal of any sub-district and idle condition that arrives is when initiating emergent operation request, if this terminal is determined current resident sub-district and is not supported urgency traffic, then terminal cell status from resident to any is transferred to predetermined state, and under this predetermined state, search for again by Cell searching or sub-district, find an acceptance area of supporting urgent call, wherein, this predetermined state is that terminal uses Cell searching or sub-district to search for the acceptance area of supporting urgent call to search again.
Preferably, terminal determines that current resident sub-district do not support that urgency traffic comprises: the instruction of urgent call indication in the terminal read system message, if urgent call is not supported in the current resident sub-district of this instruction indication, then this terminal determines that current resident sub-district do not support urgency traffic.
Preferably, if this terminal can not find the acceptance area of supporting urgent call under this predetermined state, then this method also comprises: this terminal is returned search arbitrary cells state, and acceptance area of search is resident down.
By above-mentioned at least one scheme of the present invention, the terminal that is in limited service and idle condition that resides in the sub-district of not supporting emergence call service is when initiating emergent operation request, if the acceptance area of determining to find suitable cell in current network or supporting urgency traffic, then terminal can reselect to an acceptance area of supporting urgent call.
Other features and advantages of the present invention will be set forth in the following description, and, partly from specification, become apparent, perhaps understand by implementing the present invention.Purpose of the present invention and other advantages can realize and obtain by specifically noted structure in the specification of being write, claims and accompanying drawing.
Description of drawings
Accompanying drawing is used to provide further understanding of the present invention, and constitutes the part of specification, is used from explanation the present invention with embodiments of the invention one, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the schematic diagram of UE state exchange in the existing protocol;
Fig. 2 be according to the embodiment of the invention one and the schematic diagram of embodiment two UE state exchanges;
Fig. 3 is the schematic diagram according to the UE state exchange of the embodiment of the invention three;
Fig. 4 is the schematic diagram according to the UE state exchange of the embodiment of the invention four.
Embodiment
Functional overview
In embodiments of the present invention, at not supporting under the situation of urgent call in the current resident sub-district of UE in the prior art that can not reselect to a problem of supporting the acceptance area of urgent call, the embodiment of the invention provides three kinds of processing methods.
In embodiments of the present invention, the global terrestrial radio that resides in the evolution of not supporting emergence call service inserts (Evolved Universal Terrestrial Radio Access, abbreviating EUTRAN as) terminal that is in limited service and idle condition of the sub-district of network is when initiating emergent operation request, according to the embodiment of the invention three kinds of processing methods are arranged, first kind of processing method is: if the acceptance area of determining to find suitable cell in current network or supporting urgency traffic, if and terminal is supported CS speech business (being that terminal is the terminal of multimode), and the current coverage that is in other network of terminal, then terminal can be carried out cell selecting or gravity treatment, selects a resident acceptance area in other networks.Second kind of processing method is: if this terminal is not supported the CS speech business, do not support urgency traffic if determine in current area, then terminal is transferred to any cell status of search with its state sub-district from resident to any, when any sub-district of search, select to support in the current network (being the EUTRAN network) acceptance area of urgent call; Perhaps terminal triggering cell gravity treatment estimation process in sub-district gravity treatment estimation process, is chosen an acceptance area of supporting urgent call, and transfers to resident to any cell status initiation urgent call.The third processing method is: do not support urgency traffic if determine in current area, then terminal cell status from resident to any is transferred to predetermined state, and under this predetermined state, search for again by Cell searching or sub-district, find an acceptance area of supporting urgent call, wherein, predetermined state is a state newly-increased in the embodiment of the invention, terminal uses Cell searching or sub-district to search for the acceptance area of supporting urgent call to search again under this state, when adopting the third processing method, this terminal is not supported the CS speech business equally.
In the embodiment of the invention:
Closed user group (Closed Subscriber Group abbreviates CSG as) is used to identify the user who allows access network, allows to insert the CSG sub-district;
The CSG sub-district is meant the sub-district that belongs to public land mobile communication network (Public LandMobile-communication Network abbreviates PLMN as), and the CSG of broadcasting is designated as " very "/" true ", and has a CSG address;
CS/PS mode 1 is meant that UE registers simultaneously on CS and PS, support also can use CSFB, preferentially uses CS.
CS/PS mode 2 is meant that UE registers simultaneously on CS and PS, support also can use CSFB, preferentially uses PS.
In addition, alleged in embodiments of the present invention suitable cell (Suitable cell) need meet the following conditions:
(1) selected PLMN (this PLMN is in the PLMN of terminal tabulation) or registered at PLMN (this PLMN is in the PLMN of terminal tabulation);
(2) sub-district is not under an embargo;
(3) the TA district at this place, sub-district is not in " in the TA district tabulation of forbidding roaming " of network;
(4) satisfy the standard of cell selecting;
(5) if the CSG sub-district, the ID of this CSG sub-district is in the CSG cell list of the sub-district of terminal so.
Alleged acceptance area (Acceptable cell) in the embodiment of the invention: UE can reside in and wherein carry out the restriction service, wherein, the restriction service comprises: emergence call service, tsunami/earthquake pre-warning business etc., and the acceptance area need meet the following conditions:
(1) sub-district is not under an embargo;
(2) choice criteria of cell selecting is satisfied in the sub-district.
Under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.
Below in conjunction with accompanying drawing the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein only is used for description and interpretation the present invention, and be not used in qualification the present invention.
Embodiment one
In the present embodiment, the terminal that is in limited service and idle condition that resides in the EUTRAN network cell of not supporting emergence call service is when initiating emergent operation request, in the EUTRAN network, can't find the acceptance area of suitable cell or support urgency traffic if determine UE, then adopt second kind of processing method to handle.
Particularly, in the present embodiment, the limited service (limited service) and the terminal under the idle condition that reside in the sub-district of not supporting emergence call service do not support the sub-district of urgent call to initiate emergent operation request at one, and UE forwards the sub-district of search support urgent call under the Any cell selection state to.
Fig. 2 is the schematic diagram of UE state exchange in the present embodiment, and as shown in Figure 2, in the present embodiment, when UE initiated emergent operation request, the state exchange of UE mainly may further comprise the steps:
Step 1, the UE that resides in the sub-district of not supporting emergence call service is in arbitrary cells (the camp on any cell) state that resides in, and UE initiates the IMS urgent call;
Step 3, UE searches for the sub-district of supporting urgent call under this state, if UE searches for less than the sub-district of supporting urgent call, then UE rests on and continues the sub-district that urgent call is supported in search under this state; If UE searches the sub-district of supporting urgent call, then UE is resident in the sub-district of the support urgent call that searches, and the UE state forwards camped on anycell to, and initiates the IMS urgent call in this sub-district.
Embodiment two
In the present embodiment, the limited service (limited service) and the terminal under the idle condition that reside in the ETURAN sub-district of not supporting emergence call service do not support the sub-district of IMS urgent call to initiate emergent operation request at one, adopt second kind of processing method to handle.
Particularly, in the present embodiment, when if UE initiates emergent operation request, if terminal is determined current resident sub-district and is not supported urgent call, then terminal triggering cell gravity treatment estimation process (cell reselection evaluation process), and the sub-district of search support IMS urgent call under this state.
Fig. 2 is the schematic diagram of UE state exchange in the present embodiment, and as shown in Figure 2, in the present embodiment, when UE initiated emergent operation request, the state exchange of UE mainly may further comprise the steps:
Step 1, UE is in arbitrary cells (the camp on any cell) state that resides in, and UE initiates the IMS urgent call;
Embodiment three
In the present embodiment, the limited service (limited service) and the terminal under the idle condition that reside in the sub-district of not supporting emergence call service do not support the sub-district of IMS urgent call to initiate emergent operation request at one, adopt above-mentioned the third processing method to handle, trigger predetermined state (this predetermined state is for supporting urgent Cell searching/reuse adoption process (EMCsupported cell by selection/reselection process) state), and support the acceptance area of urgent call in this predetermined state search.
Predetermined state in the present embodiment is a state newly-increased in the embodiment of the invention, and under this predetermined state, terminal uses Cell searching or sub-district to search for the acceptance area of supporting urgent call to search again.
Fig. 3 is the schematic diagram of UE state exchange in the present embodiment, and as shown in Figure 3, in the present embodiment, when UE initiated urgent call, the state exchange of UE mainly may further comprise the steps:
Step 1, UE is in camp on any cell state, and UE initiates urgent call;
Embodiment four
In the present embodiment, adopt above-mentioned first kind of processing method to handle.
Terminal in the present embodiment supports global terrestrial radio to insert (UniversalTerrestrial Radio Access, abbreviate UTRAN as) and two kinds of standards of EUTRAN, under the current camped on any cell state that is in the EUTRAN network of this terminal, and there is the UTRAN sub-district that can cover this terminal, because this terminal is supported CS speech business (promptly supporting the UTRAN standard), therefore, when this terminal can't find the suitable cell in the EUTRAN network or support the acceptable cell of urgency traffic under the camped of EUTRAN network on any cell state when, terminal is carried out cell selecting or gravity treatment, looks for an acceptable cell to go resident in the UTRAN network.
Fig. 4 is the schematic diagram of UE state exchange in the present embodiment, and as shown in Figure 4, in the present embodiment, when UE initiated emergent operation request, the state exchange of UE mainly may further comprise the steps:
Step 1, UE is in arbitrary cells (the camp on any cell) state that resides in, and UE initiates the IMS urgent call;
Though current network is that example describes with EUTRAN network, other networks with the UTRAN network in the present embodiment, other networks are not limited to this.Other networks can also be other network in CS territory, for example, GSM EDGE Radio Access Network (GSMEDGE Radio Access Network, abbreviate GERAN as), CDMA access metwork network (Code Division Multiple Access, abbreviate CDMA as), for example, CDMA2000 network etc.
In embodiments of the present invention, be that example describes though be in EUTRAN network initiation urgent call with UE, be not limited to this, for other network architecture similar to the EUTRAN network, the scheme that the embodiment of the invention provides is suitable equally.
As mentioned above, the technical scheme that provides by the embodiment of the invention, the terminal that is in limited service and idle condition that resides in the sub-district of not supporting emergence call service is when initiating emergent operation request, if the acceptance area of determining to find suitable cell in current network or supporting urgency traffic, then terminal can reselect to an acceptance area of supporting urgent call.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.Within the spirit and principles in the present invention all, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. the processing method of a urgent call, the terminal that is in limited service and idle condition that resides in the sub-district of not supporting emergence call service is when initiating emergent operation request, if the acceptance area of determining in current network, to find suitable cell or supporting urgency traffic, it is characterized in that, if described terminal is supported the circuit domain speech business, and the current coverage that is in other network of described terminal, described method comprises:
Described terminal is carried out cell selecting or gravity treatment, selects a resident acceptance area in described other networks.
2. method according to claim 1 is characterized in that, determines can't find suitable cell or support the acceptance area of urgency traffic to comprise in current network:
Described terminal is determined can't find the described acceptance area of described suitable cell or support urgency traffic by the instruction of urgent call indication in the read system message in current network according to the indication of described instruction.
3. method according to claim 1 is characterized in that, it is one of following that described other networks comprise: global terrestrial radio access network, GSM EDGE Radio Access Network, CDMA access metwork network.
4. the processing method of a urgent call, reside in the sub-district of not supporting emergence call service be in limited service, resident to any sub-district and the terminal of idle condition when initiating emergent operation request, it is characterized in that, if described terminal is determined current resident sub-district and is not supported urgency traffic that described method comprises:
Described terminal is transferred to any cell status of search with its state sub-district from resident to any, when any sub-district of search, selects to support in the current network acceptance area of urgent call; Perhaps
Described terminal triggering cell gravity treatment estimation process in sub-district gravity treatment estimation process, is chosen an acceptance area of supporting urgent call, and transfers to resident to any cell status initiation urgent call.
5. method according to claim 4 is characterized in that, described terminal determines that current resident sub-district do not support that urgency traffic comprises:
The instruction of urgent call indication in the described terminal read system message, if described instruction indicates current resident sub-district not support urgent call, then described terminal determines that current resident sub-district do not support urgency traffic.
6. method according to claim 4 is characterized in that, if described terminal can not find the acceptance area of supporting urgent call when any sub-district of search, then described method also comprises:
Described terminal is proceeded search under any cell status of search.
7. method according to claim 4 is characterized in that, if described terminal does not find the acceptance area of supporting urgent call in sub-district gravity treatment estimation process, then described method also comprises:
Described terminal is transferred to any cell status of search, and acceptance area of search is resident down.
8. the processing method of a urgent call, reside in the sub-district of not supporting emergence call service be in limited service, resident to any sub-district and the terminal of idle condition when initiating emergent operation request, it is characterized in that, if described terminal is determined current resident sub-district and is not supported urgency traffic that described method comprises:
Described terminal cell status from resident to any is transferred to predetermined state, and under described predetermined state, search for again by Cell searching or sub-district, find an acceptance area of supporting urgent call, wherein, described predetermined state is that terminal uses Cell searching or sub-district to search for the acceptance area of supporting urgent call to search again.
9. method according to claim 8, its feature determines that in, described terminal current resident sub-district do not support that urgency traffic comprises:
The instruction of urgent call indication in the described terminal read system message, if described instruction indicates current resident sub-district not support urgent call, then described terminal determines that current resident sub-district do not support urgency traffic.
10. method according to claim 8 is characterized in that, if described terminal can not find the acceptance area of supporting urgent call under described predetermined state, then described method also comprises:
Described terminal is returned search arbitrary cells state, and acceptance area of search is resident down.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101502324A CN101931927A (en) | 2009-06-22 | 2009-06-22 | Processing method of urgent call |
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| CN2009101502324A CN101931927A (en) | 2009-06-22 | 2009-06-22 | Processing method of urgent call |
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| CN101931927A true CN101931927A (en) | 2010-12-29 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102695232A (en) * | 2011-03-22 | 2012-09-26 | 华为技术有限公司 | Method, device and system for service establishment |
| CN105933882A (en) * | 2016-04-08 | 2016-09-07 | 努比亚技术有限公司 | Emergency call device and method |
| CN106817684A (en) * | 2015-11-27 | 2017-06-09 | 宏碁股份有限公司 | The control method and user equipment of urgency traffic |
| CN107360558A (en) * | 2017-06-19 | 2017-11-17 | 努比亚技术有限公司 | Emergency call control method, communication terminal and computer-readable recording medium |
| CN107409296A (en) * | 2015-03-19 | 2017-11-28 | 高通股份有限公司 | The effective means of urgent call is performed in user identification module multi solution |
| WO2018153274A1 (en) * | 2017-02-27 | 2018-08-30 | 华为技术有限公司 | Call setup method and terminal device |
| WO2018176741A1 (en) * | 2017-03-28 | 2018-10-04 | 广东欧珀移动通信有限公司 | Voice service processing method, device, and terminal |
| CN109451549A (en) * | 2019-01-03 | 2019-03-08 | 中国联合网络通信集团有限公司 | Voice backing method, device and terminal device |
| CN110140384A (en) * | 2016-11-02 | 2019-08-16 | 株式会社Ntt都科摩 | User apparatus and connection control method |
| WO2021253375A1 (en) * | 2020-06-19 | 2021-12-23 | Qualcomm Incorporated | Self-adaptive emergency calling |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102695232A (en) * | 2011-03-22 | 2012-09-26 | 华为技术有限公司 | Method, device and system for service establishment |
| WO2012126383A1 (en) * | 2011-03-22 | 2012-09-27 | 华为技术有限公司 | Service establishment method, device and system |
| EP2677815A1 (en) * | 2011-03-22 | 2013-12-25 | Huawei Technologies Co., Ltd. | Service establishment method, device and system |
| EP2677815A4 (en) * | 2011-03-22 | 2014-02-19 | Huawei Tech Co Ltd | Service establishment method, device and system |
| CN102695232B (en) * | 2011-03-22 | 2015-03-25 | 华为技术有限公司 | Method, device and system for service establishment |
| RU2571386C2 (en) * | 2011-03-22 | 2015-12-20 | Хуавэй Текнолоджиз Ко., Лтд. | Service establishment method, device and system |
| CN107409296A (en) * | 2015-03-19 | 2017-11-28 | 高通股份有限公司 | The effective means of urgent call is performed in user identification module multi solution |
| CN106817684A (en) * | 2015-11-27 | 2017-06-09 | 宏碁股份有限公司 | The control method and user equipment of urgency traffic |
| CN105933882A (en) * | 2016-04-08 | 2016-09-07 | 努比亚技术有限公司 | Emergency call device and method |
| CN110140384A (en) * | 2016-11-02 | 2019-08-16 | 株式会社Ntt都科摩 | User apparatus and connection control method |
| CN108696853A (en) * | 2017-02-27 | 2018-10-23 | 华为技术有限公司 | A kind of method and terminal device of call setup |
| WO2018153274A1 (en) * | 2017-02-27 | 2018-08-30 | 华为技术有限公司 | Call setup method and terminal device |
| CN112995972A (en) * | 2017-02-27 | 2021-06-18 | 荣耀终端有限公司 | Call establishment method and terminal equipment |
| CN112995972B (en) * | 2017-02-27 | 2022-05-13 | 荣耀终端有限公司 | Call establishment method and terminal equipment |
| WO2018176741A1 (en) * | 2017-03-28 | 2018-10-04 | 广东欧珀移动通信有限公司 | Voice service processing method, device, and terminal |
| CN107360558A (en) * | 2017-06-19 | 2017-11-17 | 努比亚技术有限公司 | Emergency call control method, communication terminal and computer-readable recording medium |
| CN109451549A (en) * | 2019-01-03 | 2019-03-08 | 中国联合网络通信集团有限公司 | Voice backing method, device and terminal device |
| CN109451549B (en) * | 2019-01-03 | 2021-09-14 | 中国联合网络通信集团有限公司 | Voice backspacing method and device and terminal equipment |
| WO2021253375A1 (en) * | 2020-06-19 | 2021-12-23 | Qualcomm Incorporated | Self-adaptive emergency calling |
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Application publication date: 20101229 |