CN103188640A - Cell reselection method for mobile communication system and mobile equipment - Google Patents
Cell reselection method for mobile communication system and mobile equipment Download PDFInfo
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- CN103188640A CN103188640A CN2011104554281A CN201110455428A CN103188640A CN 103188640 A CN103188640 A CN 103188640A CN 2011104554281 A CN2011104554281 A CN 2011104554281A CN 201110455428 A CN201110455428 A CN 201110455428A CN 103188640 A CN103188640 A CN 103188640A
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Abstract
The invention discloses a cell reselection method for a mobile communication system. The cell reselection method for the mobile communication system comprises the following steps: limiting mobile equipment of the mobile communication system to access a first cell by a network end in the mobile communication system; executing a first cell reselection program by the mobile equipment; judging whether the mobile equipment can penetrate through a second cell to execute an emergency calling function according to a plurality of access categories when the first cell switches to the second cell, and generating a first judging result; and determining whether the mobile equipment is stayed in the second cell according to the first judging result.
Description
Technical field
The present invention relates to a kind of residence reselecting and mobile device that is used in a mobile communication system, particularly a kind of residence reselecting and the mobile device that can carry out emergency call function in real time.
Background technology
Universal mobile telecommunications system (Universal Mobile Telecommunications System, UMTS) be the 3G (Third Generation) Moblie technology, it is roughly by a universal land radio access web (Universal Terrestrial Radio Access Network, UTRAN, or be called for short network terminal) and a plurality of subscriber equipment (User Equipment, or claim client) form.And general land global radio accesses network comprises a core network, and (or (radio network controllers RNCs) forms to be called radio network controller by a plurality of base stations (Node Bs) and a plurality of base station controller for it.
In universal mobile telecommunications system, operate in the client of idle pulley (Idle mode) if desire to carry out signaling (Signalling) or transfer of data, must set up Radio Resource control (Radio Resource Control earlier, RRC) connect, method is to transmit to comprise that a Radio Resource control connection sets up the wireless resource control connection request message of reason (RRC connection establishment cause) (RRC connection request message) to the base station, and request base station and client are set up the Radio Resource control connection.The base station is set up reason according to the Radio Resource control connection that receives and is judged the priority that connects, so client must transmit correct Radio Resource control connection and set up reason, in order to setting up the Radio Resource control connection.The Radio Resource control connection is set up reason and is comprised that urgent call (Emergency call), priority access (High priority access), client are subjected to initiatively signaling transmission (Mobile Originating signaling) and client active data transmission (Mobile Originating data) of words (Mobile Terminating access), client.
At urgent call, (client could carry out emergency call function and access level (Access Class) has close relationship for 3rd Generation Partnership Project, the communication standard of 3GPP) formulating according to 3G (Third Generation) Moblie alliance.For instance, access level 10 is the control binary digit relevant with urgent call; Access level 0 is generic categories to access level 9, and these classifications can be considered 10 groups and move group, and each mobile device is assigned randomly to access level 0 to a wherein access level of access level 9; Access level 11 to access level 15 is the special access classification, distributes to the particular high priority user, and the relations of distribution are as follows:
Access level 11: (Public Land Mobile Network PLMN) uses for the public land mobile network;
Access level 12: security service;
Access level 13: government utility (for example water or gas supplier);
Access level 14: emergency services;
Access level 15: public land mobile network staff.
Access level 0 to access level 15 grades are stored in subscriber identification module, and (Subscriber Identity Module is SIM) in the card.
If mobile device is being assigned with the wherein access level of access level 0 to access level 9, or there is not an international mobile subscriber identity (International Mobile Subscriber Identity, IMSI), and access level 10 is limited, or be assigned with access level 11 wherein one or more access level to access level 15, and this one or more access level and access level 10 can cause emergency call service will be limited and can not use when all being limited; Otherwise other situation then can be carried out emergency call function.
Network terminal can be when a specific factor exists, the visit of limiting mobile device, and this specific factor can be channel and is jammed etc. and can causes and the related restrict access of access level.When network terminal limiting mobile device visit mobile device was stationed a residential quarter of (camp on), this residential quarter can be broadcasted and access level restriction (Access Class Barring, ACB) relevant system information (System Information).When mobile device is desired the accesses network end (for example carrying out emergency call function), can check the system information of this Cell Broadcast CB earlier; If mobile device is found this residential quarter of inaccessible, the program of mobile device and then execution residential quarter gravity treatment is to select a new residential quarter.Mobile device cell reselection procedures (User Equipment (UE) procedures in idle mode and procedures for cell reselection in connected mode) 3GPP TS 25.304 in idle pulley and in connection mode that known method of cell reselection can be formulated with reference to 3G (Third Generation) Moblie alliance does not add in addition at this and to give unnecessary details.It should be noted that under said circumstances, mobile device can be ignored the inspection of access level when selecting new residential quarter.
After finding new residential quarter and being stationed, when mobile device will be carried out emergency call function, can first check system information, send wireless resource control connection request information afterwards again to the radio network controller of network terminal, the Radio Resource control connection is set up in request.Yet, if new residential quarter does not allow mobile device to carry out emergency call function, that is to say, access level 10 is limited down, mobile device does not have international mobile subscriber identity, or mobile device be assigned with access level 11 to access level 15 wherein one or more access level all is limited the time, mobile device can be found to carry out emergency call function in the stage of check system information.In the case, mobile device can be restarted cell reselection procedures, and other seeks the residential quarter that can carry out emergency call function for mobile device, to allow mobile device be stationed.After mobile device quarters at the residential quarter of selection, carry out the step of setting up the Radio Resource control connection again.
From the above, mobile device is being stationed the residential quarter because of the network terminal limiting access, and after gravity treatment one new residential quarter is stationed, may carry out emergency call function in real time.Suffer under the situation of threat at life or property, can't carry out emergency call function in real time, may cause the loss of life or property.
Summary of the invention
Therefore, main purpose of the present invention is exactly that a kind of residence reselecting and mobile device that is used in a mobile communication system is being provided, so that mobile device after quartering at a new residential quarter, must be carried out emergency call function by new residential quarter.
The present invention discloses a kind of residence reselecting that is used in a mobile communication system, a network terminal that is included in this mobile communication system limits a mobile device of this mobile communication system and visits one first residential quarter, this mobile device is carried out one first cell reselection procedures, when switching to one second residential quarter by this first residential quarter, judge according to a plurality of access level whether this mobile device can carry out an emergency call function by this second residential quarter, to produce one first judged result; And according to this first judged result, determine whether this mobile device quarters at this second residential quarter.
The present invention also discloses a kind of mobile device that is used in a mobile communication system, be used for handling a cell re-selection procedure, this mobile device comprises an equipment, being used for a network terminal in this mobile communication system limits this mobile device and visits one first residential quarter, this mobile device is carried out one first cell reselection procedures, when switching to one second residential quarter by this first residential quarter, judge according to a plurality of access level whether this mobile device can carry out an emergency call function by this second residential quarter, to produce one first judged result; And an equipment, be used for according to this first judged result, determine whether this mobile device quarters at this second residential quarter.
Description of drawings
Fig. 1 is the schematic diagram of the embodiment of the invention one mobile communication system.
Fig. 2 is the schematic diagram of the embodiment of the invention one mobile device.
Fig. 3 is the schematic diagram of the embodiment of the invention one cell re-selection procedure.
Fig. 4 is the schematic diagram of the embodiment of the invention one cell re-selection procedure.
Wherein, description of reference numerals is as follows:
10 mobile communication system
100 network terminal
102 mobile devices
CELL_1～CELL_n residential quarter
200 treatment facilities
202 memory cell
204 communications interface units
206 program codes
30,40 flow processs
300,302,304,306,308,310, step
312、314、316、318、320、400、402、
404、406、408、410、412
Embodiment
Main spirit of the present invention is to be stationed the residential quarter at mobile device because of the network terminal limiting access, and carries out cell reselection procedures selecting a new residential quarter, and after quartering at this new residential quarter, mobile device can be in real time by this new residential quarter execution emergency call function.
Please refer to Fig. 1, Fig. 1 is the schematic diagram of the embodiment of the invention one mobile communication system 10.Mobile communication system 10 can be a universal mobile telecommunications system or any other similar network system, and in universal mobile telecommunications system, network terminal 100 can be a universal land radio access web, and the mobile device 102 visual clients (UEs) of doing, as equipment such as mobile phone, calculator systems.In addition, according to transmission direction, network terminal and client visible are a conveyer and a receiver.For instance, (client is the transmission end for uplink, UL) transmission, and network terminal is receiving terminal for a uplink; (network terminal is transmission end and client is receiving terminal for downlink, DL) transmission for link once.Residential quarter CELL_1～CELL_n is arranged in the network terminal 100, is the covering scope of different base station, also can be considered the interface of client and network terminal.When mobile device 102 was wanted service that accesses network end 100 provides, mobile device 102 must quarter at the residential quarter of residential quarter CELL_1～CELL_n.
Please refer to Fig. 2, Fig. 2 is the schematic diagram of mobile device 102 among Fig. 1.Mobile device 102 comprises a treatment facility 200, a memory cell 202 and a communications interface unit 204.Treatment facility 200 can be a microprocessor or an application-specific integrated circuit (ASIC) (application-specific integrated circuit, ASIC).Memory cell 202 can be arbitrary data storage device, is used for storing a program code 206, and reads and executive program code 206 by treatment facility 200.For instance, memory cell 202 can be subscriber identification module (subscriber identity module, SIM), read-only memory (read-only memory, ROM), random access memory (random-access memory, RAM), compact disc read only menory (CD-ROMs), tape (magnetic tapes), floppy disk (floppy disks), optical data storage (optical data storage devices) etc., and be not limited thereto.Communications interface unit 204 can be a wireless transceiver, and its result according to treatment facility 200 is used for carrying out radio communication with client.
Please refer to Fig. 3, Fig. 3 is the schematic diagram of the embodiment of the invention one cell re-selection procedure 30.Cell re-selection procedure 30 is among Fig. 1, mobile device 102 quartered at one first residential quarter (be example with CELL_1) originally, and when network terminal 100 limiting mobile devices 102 visited cell CELL_1, mobile device 102 must be carried out cell reselection procedures, the operation workflow when being switched to one second residential quarter (be example with CELL_i) by this first residential quarter.Cell re-selection procedure 30 can be compiled into program code 206, comprises the following steps:
Step 300: beginning.
Step 302: carry out one first cell reselection procedures, and ignore the access level inspection.
Step 304: select one second residential quarter CELL_i, at this moment, mobile device 102 does not quarter at the second residential quarter CELL_i as yet.
Step 306: according to a plurality of access level, judge whether mobile device 102 can carry out emergency call function by the second residential quarter CELL_i.If then carry out step 308; If not, then carry out step 312.
Step 308: according to a plurality of access level, judge whether mobile device 102 can carry out general access function by the second residential quarter CELL_i.If then carry out step 310; If not, then carry out step 316.
Step 310: quarter at the second residential quarter CELL_i.
Step 312: carry out arbitrary residential quarter option program, searching an acceptable cell, and quarter at this acceptable cell.
Step 314: find one first suitable cell.
Step 316: carry out one second cell reselection procedures, to search one second suitable cell.
Step 318: check whether find second suitable cell.If then carry out step 304; If not, then carry out step 320.
Step 320: quarter at the second residential quarter CELL_i.
Cell re-selection procedure 30 starts when the network terminal 100 limiting mobile devices 102 visits first residential quarter CELL_1.The first residential quarter CELL_1 can broadcast the system information relevant with the access level restriction, is used for informing mobile device 102, the network terminal 100 limiting mobile devices 102 visits first residential quarter CELL_1.Mobile device 102 is received the system information relevant with the access level restriction, learns and can not carry out one first cell reselection procedures, to select the second residential quarter CELL_i by behind the first residential quarter CELL_1 execution emergency call function.The program 3GPP TS 25.304 of mobile device residential quarter gravity treatment in idle pulley and in connection mode that method of cell reselection can be formulated with reference to 3G (Third Generation) Moblie alliance does not give unnecessary details at this.It should be noted that under said circumstances, mobile device 102 can be ignored the inspection of access level when selecting the second residential quarter CELL_i.
According to cell re-selection procedure 30, mobile device 102 is CELL_i after selecting second residential quarter by first cell reselection procedures, do not quarter at the second residential quarter CELL_i as yet, and elder generation receives the system information of second residential quarter CELL_i broadcasting, and according to a plurality of access level in the system information, judge whether mobile device 102 can carry out emergency call function by the second residential quarter CELL_i.If mobile device 102 can be carried out emergency call function by the second residential quarter CELL_i, more further according to a plurality of access level, judge whether mobile device 102 can carry out general access function by the second residential quarter CELL_i.It should be noted that in embodiments of the present invention judge the method that could carry out emergency call function and general access function according to access level, identical with known technology, determination methods illustrates, so do not give unnecessary details at this in background technology.Yet in known technology, when the visit of network terminal limiting mobile device, mobile device carries out cell reselection procedures (i.e. first cell reselection procedures), but ignores the inspection of access level.In comparison, in embodiments of the present invention, in the visit of network terminal limiting mobile device, after mobile device was carried out first cell reselection procedures, the inspection of the classification that can then conduct interviews could be carried out emergency call function and general access function to judge mobile device.
Can carry out under the situation of emergency call function and general access function by the second residential quarter CELL_i at mobile device 102, mobile device 102 quarters at the second residential quarter CELL_i.Can not carry out by the second residential quarter CELL_i under the situation of emergency call function at mobile device 102, mobile device 102 is carried out arbitrary residential quarter option program, and searching an acceptable cell, and mobile device 102 quarters at this acceptable cell.Acceptable cell is the residential quarter that can be stationed to obtain limited service (limited service) for mobile device, and wherein limited service comprises an emergency call service.The program 3GPP TS 25.304 of mobile device residential quarter gravity treatment in idle pulley and in connection mode that the method that arbitrary residential quarter is selected can be formulated with reference to 3G (Third Generation) Moblie alliance does not give unnecessary details at this.After mobile device 102 quarters at this acceptable cell, can continue to search one first suitable cell.Suitable cell is the residential quarter that can be stationed to obtain general service (normal service) for mobile device, and in general, mobile device can be carried out general access function by suitable cell.After mobile device 102 finds first suitable cell, mobile device 102 leaves this acceptable cell, and selects first suitable cell, but mobile device 102 does not quarter at first suitable cell, but repeat the inspection of access level, whether quarter at first suitable cell to judge mobile device.Can carry out emergency call function by the second residential quarter CELL_i at mobile device 102 but can not carry out under the situation of general access function, mobile device 102 is carried out one second cell reselection procedures, to search one second suitable cell; After mobile device 102 found second suitable cell, mobile device 102 was selected second suitable cell, but mobile device 102 does not quarter at second suitable cell, but repeated the inspection of access level, whether quartered at second suitable cell to judge mobile device.If mobile device 102 does not find second suitable cell, then mobile device 102 quarters at the second residential quarter CELL_i.It should be noted that in the case, mobile device 102 can only be carried out emergency call function by the second residential quarter CELL_i, can not carry out general access function; If mobile device 102 will be carried out general access function, mobile device must re-execute second cell re-selection procedure again, selects another suitable cell.
In simple terms, in cell re-selection procedure 30, mobile device 102 can be earlier sent a plurality of access level in the system information according to the second residential quarter CELL_i, judge whether mobile device 102 can carry out emergency call function by the second residential quarter CELL_i, and then further send a plurality of access level in the system information according to the second residential quarter CELL_i, judge whether mobile device 102 can carry out general access function by the second residential quarter CELL_i.Yet, quarter at the residential quarter that can carry out emergency call function for mobile device if only require mobile device, judge that whether mobile device can omit by the step that general access function is carried out in selected residential quarter; Therefore, the embodiment of the invention also provides one of cell re-selection procedure 30 to simplify flow process.As shown in Figure 4, Fig. 4 is the schematic diagram of the embodiment of the invention one cell re-selection procedure 40.Cell re-selection procedure 40 is that one of Fig. 3 cell re-selection procedure 30 is simplified flow process, so switched to the example explanation of the second residential quarter CELL_i equally by the first residential quarter CELL_1 with mobile device 102.Cell re-selection procedure 40 can be compiled program code 206, comprises the following steps:
Step 400: beginning.
Step 402: carry out one first cell reselection procedures, and ignore the access level inspection.
Step 404: select one second residential quarter CELL_i, at this moment, mobile device 102 does not quarter at the second residential quarter CELL_i as yet.
Step 406: according to a plurality of access level, judge whether mobile device 102 can carry out emergency call function by the second residential quarter CELL_i.If then carry out step 408; If not, then carry out step 410.
Step 408: quarter at the second residential quarter CELL_i.
Step 410: carry out arbitrary residential quarter option program, searching an acceptable cell, and quarter at this acceptable cell.
Step 412: find one first suitable cell.
According to cell re-selection procedure 40, mobile device 102 is after selecting one second residential quarter CELL_i through one first cell reselection procedures, do not quarter at the second residential quarter CELL_i as yet, and can receive the system information that the second residential quarter CELL_i broadcasts earlier, and according to a plurality of access level in the system information, judge whether mobile device 102 can carry out emergency call function by the second residential quarter CELL_i.If mobile device 102 can be carried out emergency call function by the second residential quarter CELL_i, then mobile device 102 quarters at the second residential quarter CELL_i; If mobile device 102 can not be carried out emergency call function by the second residential quarter CELL_i, then mobile device 102 is carried out arbitrary residential quarter option program, and searching an acceptable cell, and mobile device 102 quarters at this acceptable cell.After mobile device 102 quarters at this acceptable cell, can continue to search one first suitable cell.After mobile device 102 finds first suitable cell, mobile device 102 leaves this acceptable cell, and selects first suitable cell, but mobile device 102 does not quarter at first suitable cell, but repeat the inspection of access level, whether quarter at first suitable cell to judge mobile device.
The main purpose of cell re-selection procedure 30 and cell re-selection procedure 40, be to make mobile device to quarter at a new residential quarter after, guarantee that new residential quarter can be for mobile device execution emergency call function.Whereby, after mobile device is quartering at new residential quarter, must carry out emergency call function by new residential quarter, so that the bull point guarantee to be provided.
In known technology, mobile device has been stationed the residential quarter because of network terminal limiting access one, and after gravity treatment one new residential quarter is stationed, may have the problem that can not carry out emergency call function in real time.In comparison, in the present invention, the network terminal limiting access has been stationed the residential quarter, and enter cell reselection procedures, the process that the new residential quarter of gravity treatment is stationed, access level in the system information of the new Cell Broadcast CB of basis judges that mobile device can be by behind the new residential quarter execution emergency call function earlier, and mobile device quarters at new residential quarter again.
In sum, when the visit of network terminal limiting mobile device had been stationed the residential quarter, residence reselecting provided by the invention can make mobile device after quartering at a new residential quarter, must carry out emergency call function by new residential quarter.Seizing every minute and second in emergency circumstances, if can carry out emergency call function in real time, emergency is informed and the processing time just can shift to an earlier date, and then the bull point guarantee is provided.
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 doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (18)
1. residence reselecting that is used for a mobile communication system is characterized in that this residence reselecting comprises:
Limit a mobile device of this mobile communication system in a network terminal of this mobile communication system and visit one first residential quarter, this mobile device is carried out one first cell reselection procedures when switching to one second residential quarter by this first residential quarter, judge according to a plurality of access level whether this mobile device can carry out an emergency call function by this second residential quarter, to produce one first judged result; And
According to this first judged result, determine whether this mobile device quarters at this second residential quarter.
2. residence reselecting as claimed in claim 1 is characterized in that, this network terminal limits this mobile device and visits this first residential quarter because of the channel factor of being jammed.
3. residence reselecting as claimed in claim 1 is characterized in that, according to this first judged result, determines that whether this mobile device quarters at the step of this second residential quarter, comprising:
When this this mobile device of first judgment result displays can not be carried out this emergency call function by this second residential quarter, this mobile device entered arbitrary residential quarter option program, searching an acceptable cell, and quartered at this acceptable cell.
4. residence reselecting as claimed in claim 3 is characterized in that, this method also comprises:
After this mobile device quarters at this acceptable cell, continue to search one first suitable cell.
5. residence reselecting as claimed in claim 1 is characterized in that, according to this first judged result, determines that whether this mobile device quarters at the step of this second residential quarter, comprising:
When this this mobile device of first judgment result displays can be carried out this emergency call function by this second residential quarter, this mobile device quartered at this second residential quarter.
6. residence reselecting as claimed in claim 1 is characterized in that, according to this first judged result, determines that whether this mobile device quarters at the step of this second residential quarter, comprising:
When this this mobile device of first judgment result displays can be carried out this emergency call function by this second residential quarter, in addition according to these a plurality of access level, judge whether this mobile device can carry out a general access function by this second residential quarter, to produce one second judged result; And
According to this second judged result, determine whether this mobile device quarters at this second residential quarter.
7. residence reselecting as claimed in claim 6 is characterized in that, according to this second judged result, determines that whether this mobile device quarters at the step of this second residential quarter, comprising:
When this this mobile device of second judgment result displays can be carried out this general access function by this second residential quarter, this mobile device quartered at this second residential quarter.
8. residence reselecting as claimed in claim 6 is characterized in that, according to this second judged result, determines that whether this mobile device quarters at the step of this second residential quarter, comprising:
When this this mobile device of second judgment result displays can not be carried out this general access function by this second residential quarter, this mobile device was carried out one second cell reselection procedures, to search one second suitable cell.
9. residence reselecting as claimed in claim 8 is characterized in that, this method also comprises:
When this mobile device did not have this second suitable cell and can be stationed, this mobile device quartered at this second residential quarter.
10. a mobile device that is used for a mobile communication system is used for handling a cell re-selection procedure, it is characterized in that this mobile device comprises:
One equipment, being used for a network terminal in this mobile communication system limits this mobile device and visits one first residential quarter, this mobile device is carried out one first cell reselection procedures, when switching to one second residential quarter by this first residential quarter, judge according to a plurality of access level whether this mobile device can carry out an emergency call function by this second residential quarter, to produce one first judged result; And
One equipment is used for according to this first judged result, determines whether this mobile device quarters at this second residential quarter.
11. mobile device as claimed in claim 10 is characterized in that, this network terminal limits this mobile device and visits this first residential quarter because of the channel factor of being jammed.
12. mobile device as claimed in claim 10 is characterized in that, is used for according to this first judged result, determines that whether this mobile device quarters at this equipment of this second residential quarter, comprising:
One equipment, this this mobile device of first judgment result displays is used for when can not be carried out this emergency call function by this second residential quarter, make this mobile device enter arbitrary residential quarter option program, searching an acceptable cell, and make this mobile device quarter at this acceptable cell.
13. mobile device as claimed in claim 12 is characterized in that, this mobile device also comprises:
One equipment is used for after this mobile device quarters at this acceptable cell, continues to search one first suitable cell.
14. mobile device as claimed in claim 10 is characterized in that, is used for according to this first judged result, determines that whether this mobile device quarters at this equipment of this second residential quarter, comprising:
One equipment is used for making this mobile device quarter at this second residential quarter when this this mobile device of first judgment result displays can be carried out this emergency call function by this second residential quarter.
15. mobile device as claimed in claim 10 is characterized in that, is used for according to this first judged result, determines that whether this mobile device quarters at this equipment of this second residential quarter, comprising:
One equipment, this this mobile device of first judgment result displays is used for when can be carried out this emergency call function by this second residential quarter, according to these a plurality of access level, judge whether this mobile device can carry out a general access function by this second residential quarter, to produce one second judged result in addition; And
One equipment is used for according to this second judged result, determines whether this mobile device quarters at this second residential quarter.
16. mobile device as claimed in claim 14 is characterized in that, is used for according to this second judged result, determines that whether this mobile device quarters at this equipment of this second residential quarter, comprising:
One equipment is used for making this mobile device quarter at this second residential quarter when this this mobile device of second judgment result displays can be carried out this general access function by this second residential quarter.
17. mobile device as claimed in claim 14 is characterized in that, is used for according to this second judged result, determines that whether this mobile device quarters at this equipment of this second residential quarter, comprising:
One equipment is used for making this mobile device enter one second cell reselection procedures, to search one second suitable cell when this this mobile device of second judgment result displays can not be carried out this general access function by this second residential quarter.
18. mobile device as claimed in claim 17 is characterized in that, this mobile device also comprises:
One equipment is used for making this mobile device quarter at this second residential quarter when this mobile device does not have this second suitable cell and can be stationed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110455428.1A CN103188640B (en) | 2011-12-30 | 2011-12-30 | Be used in residence reselecting and the mobile device of GSM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110455428.1A CN103188640B (en) | 2011-12-30 | 2011-12-30 | Be used in residence reselecting and the mobile device of GSM |
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| CN103188640A true CN103188640A (en) | 2013-07-03 |
| CN103188640B CN103188640B (en) | 2016-05-04 |
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| CN201110455428.1A Active CN103188640B (en) | 2011-12-30 | 2011-12-30 | Be used in residence reselecting and the mobile device of GSM |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2010024111A1 (en) * | 2008-08-28 | 2010-03-04 | Nec Corporation | Communications system |
| CN101816208A (en) * | 2007-10-02 | 2010-08-25 | 高通股份有限公司 | System search for full service while on a cell with limited service |
| CN102045675A (en) * | 2009-10-20 | 2011-05-04 | 中兴通讯股份有限公司 | Method and device for switching emergency call user |
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2011
- 2011-12-30 CN CN201110455428.1A patent/CN103188640B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101816208A (en) * | 2007-10-02 | 2010-08-25 | 高通股份有限公司 | System search for full service while on a cell with limited service |
| WO2010024111A1 (en) * | 2008-08-28 | 2010-03-04 | Nec Corporation | Communications system |
| CN102045675A (en) * | 2009-10-20 | 2011-05-04 | 中兴通讯股份有限公司 | Method and device for switching emergency call user |
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| CN103188640B (en) | 2016-05-04 |
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