CN101217742B - A single-baseband single radio frequency dual-card dual-standby communication terminal and the corresponding standby method - Google Patents
A single-baseband single radio frequency dual-card dual-standby communication terminal and the corresponding standby method Download PDFInfo
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- CN101217742B CN101217742B CN2008100325991A CN200810032599A CN101217742B CN 101217742 B CN101217742 B CN 101217742B CN 2008100325991 A CN2008100325991 A CN 2008100325991A CN 200810032599 A CN200810032599 A CN 200810032599A CN 101217742 B CN101217742 B CN 101217742B
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Abstract
The invention discloses a single baseband single radio frequency dual card dual standby communication terminal and the standby method thereof. The method comprises that a channel frequency distribution table of a first card is stored before the service communication of a second card is started; when the second card ends the service communication, effective frequency points existing in the channel frequency distribution table are determined; the first card is synchronized by the effective frequency points. When the channel frequency distribution table of the first card is provided with effective frequency points, the invention embodiment can achieves the synchronization with a base station as fast as possible, and the operation is simple and the management is convenient.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of single-base band single-radio frequency dual-SIM dual-standby communication terminal and idle method thereof.
Background technology
Along with the development of society, the interchange of people in the work life is day by day frequent.Meanwhile, the requirement of people to exchanging, more and more higher to the requirement of communication apparatus.For satisfying this requirement, the mobile phone business men has been released a kind of double card double standby mobile phone.
Double card double standby mobile phone is provided with the dual user identification, and (wherein one be that main card and one block for secondary for Subscriber Identity Model, SIM) card.The standby simultaneously of main card and secondary card.Main card and secondary card can be two SIM cards under the same network schemer, also can be two SIM cards under the heterogeneous networks pattern.
On May 4th, 2006 disclosed one piece of U.S. Patent application, publication number is 2006/0095600A1 number, has disclosed a kind of travelling carriage of bimodulus.Described bimodulus travelling carriage can be supported two kinds of different mobile communications networks, as GSM, CDMA.The bimodulus travelling carriage that this U.S. Patent application disclosed can set the SIM of travelling carriage automatically, and selects the corresponding driving pattern.But this U.S. Patent application does not disclose, and when wherein a SIM card communicated, how another SIM card in the travelling carriage kept in touch with network.But this is unavoidably to need the problem of solution, otherwise can't allows the user satisfied for double-card mobile phone
In the frequently two cartoon letters systems of single base band injection, when main card carried out service communication, system was limited to the operation of pair card, and secondary card is in desynchronizing state basically.It is serious that this situation usually causes after the communication of main card winding-up secondary card to fall the net phenomenon.Simultaneously, this situation also can increase the mortality of system's subsequent operation, as increase Mobile-Originated Short Message (Mobile Originated SMS, MO) or mobile-terminated short message (Mobile Terminated SMS, mortality MT).If the operation that increases under main card service communication state the pair card realizes secondary card synchronously, this processing usually can reduce the synchronous chance of main card, increases the probability of failure of main card.
In view of the foregoing, the embodiment of the invention proposes a kind of single-base band single-radio frequency dual-SIM dual-standby communication terminal and idle method thereof.
The technical problem to be solved in the present invention is to propose a kind of single-base band single-radio frequency dual-SIM dual-standby communication terminal and idle method thereof, and this communicating terminal and idle method thereof can reduce main card secondary card after long-time service communication and fall to net serious phenomenon.
For addressing the above problem, a kind of single-base band single-radio frequency dual-SIM dual-standby communication terminal according to the present invention comprises memory module, judge module and synchronization module.Memory module is used to store the first Broadcast Control Channel frequency assignment chart that is stuck in before the second card business communication begins.Judge module is used for determining to have effective frequency in this channel frequency allocation table after this second card winding-up communication.Synchronization module is used for by synchronous this first card of this effective frequency.
According to the idle method of a kind of single-base band single-radio frequency dual-SIM dual-standby communication terminal of the present invention, this method comprises that storage first is stuck in the channel frequency allocation table before the second card business communication begins; After this second card winding-up communication, determine to have effective frequency in this channel frequency allocation table; By synchronous this first card of this effective frequency.
Compared with prior art, the present invention exists under the situation of effective frequency at the channel frequency allocation table of first card, can finish synchronously with the base station as soon as possible, and is easy and simple to handle, is convenient to management.
Description of drawings
Fig. 1 is the structural representation of a kind of single-base band single-radio frequency dual-SIM dual-standby communication terminal of the embodiment of the invention.
Fig. 2 is the structural representation of synchronization module in a kind of single-base band single-radio frequency dual-SIM dual-standby communication terminal of the embodiment of the invention.
Fig. 3 is the flow chart of the idle method of a kind of single-base band single-radio frequency dual-SIM dual-standby communication terminal of the embodiment of the invention.
Fig. 4 is the flow chart of the idle method of a kind of single-base band single-radio frequency dual-SIM dual-standby communication terminal of another embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing the specific embodiment of the invention is described.
For convenience of description, all (Global System For Mobile Communication, GSM) example that is applied as in describes embodiments of the invention in global system for mobile communications with it.Yet, other communication systems in the wireless telecommunications, as broadband CDMA system (Wide Code DivisionMultiple Access, WCDMA), CDMA 2000 (Code Division Multiple Access, CDMA2000), (Time Division-Synchronous CodeDivision Multiple Access TD-SCDMA) all can support single-base band single-radio frequency dual-SIM dual-standby communication terminal of the present invention and idle method to TDS-CDMA system.
Figure 1 shows that embodiment of the invention single-base band single-radio frequency dual-SIM dual-standby communication terminal structure schematic diagram.A kind of single-base band single-radio frequency dual-SIM dual-standby communication terminal of the embodiment of the invention comprises memory module 105, judge module 109 and synchronization module 111.Memory module 105 is used to store the first channel frequency allocation table that is stuck in before the second card business communication begins.Judge module 109 is used for determining to have effective frequency in this channel frequency allocation table after this second card winding-up communication.Synchronization module 11 1 is used for by synchronous this first card of this effective frequency.
As shown in Figure 1, communicating terminal 10 comprises main card 101 and secondary card 103.In an embodiment, main card 101 and secondary card 103 are relative concept, and the communicating terminal card that is in the service communication state is a main card 101, and the communicating terminal card that is in idle condition is secondary card 103.Main card 101 and secondary card 103 all can be SIM card, can be used to personal information such as storing phone number or short message, its respectively corresponding a user identity, a telephone number in other words.The telephone number of main card 101 and secondary card 103 correspondences can be the telephone number in the same communication network, also can be the telephone number in the different communication network.The telephone number that following description blocks 1 03 correspondences with pair is that the number in the gsm system is that example describes.
Memory module 105 is connected with secondary card 103, is used for the channel frequency allocation table of the secondary card 103 of stored record.In the present embodiment, this channel frequency allocation table is Broadcast Control Channel frequency assignment chart (BCCHAllocation list, BA list).In gsm system, each sub-district is equipped with Broadcast Control Channel, and (Broadcast Control Channel BCCH), is used to broadcast the information relevant with this sub-district, intercepts for the communicating terminal 10 that is in standby mode.Communicating terminal 10 receives the channel information of current area and adjacent area BCCH channel radio, and is recorded as BA list.Usually comprising among the BA list can be for carrying out the professional frequency point information that connects in sub-district and the adjacent area.In an embodiment, BA list can be stored in the memory module 105, also can be stored in the secondary card 103.When BA list was stored in secondary card 103, secondary card 103 was realized the function of the memory module 105 in the embodiment of the invention simultaneously.
Monitoring modular 107 is connected with memory module 105, is used for when main card 101 carries out service communication the frequency of the BA list of memory module 105 storages is monitored, to measure the signal strength signal intensity of the frequency among the BA list.Perhaps, after the service communication of main card 101 finishes, the frequency signal strength signal intensity among the BA list is measured.In an embodiment, (Received Level RxLev) weighs signal strength signal intensity by incoming level.
Judge module 109 is connected with memory module 105, is used for determining also having effective frequency in the BA list of secondary card 103 after the communication of main card 101 winding-ups.Judge module 109 is connected with monitoring modular 107, according to the signal strength values of the frequency among the BA list of monitoring modular 107 measurements frequency is arranged.In an embodiment, judge module 109 will compare the predefined access minimum signal strength of RxLev value and system that each frequency measures, and the RxLev value is determined as effective frequency greater than this frequency that inserts minimum signal strength.In an embodiment, insert minimum signal strength and can show as access minimum levels or the secondary signal strength signal intensities that define in 103 system messages that before main card 101 beginning service communications, receive of blocking.
As shown in Figure 2, be among the embodiment of example with situation about using in the gsm system, synchronization module 111 further comprises Frequency Synchronization submodule 1110 and time synchronized submodule 1112.Comprise in the gsm system frequency correction channel (Frequency Correction Channel, FCCH) and synchronizing channel (synchronization channel, SCH).FCCH carries the message that can be used for proofreading and correct communicating terminal 10 frequencies.SCH carries information such as the information that can be used for communicating terminal 10 frame synchronization and Base Station Identification.
In an embodiment, Frequency Synchronization submodule 1110 is used to monitor the FCCH of this effective frequency of determining, determines " 0 " time slot of effective frequency, finishes the Frequency Synchronization of frequency.Time synchronized submodule 1112 is monitored the information of the SCH of frequency, and is synchronous according to the further deadline of frame number.
Be illustrated in figure 3 as the idle method of embodiment of the invention single-base band single-radio frequency dual-SIM dual-standby communication terminal.As shown in the figure, this method comprises S301 in the present embodiment, the channel frequency allocation table of the secondary card of storage; S303 after the communication of main card winding-up, determines to exist in the channel frequency allocation table effective frequency; And S305: by the secondary synchronously card of this effective frequency.
Figure 4 shows that the idiographic flow diagram of the idle method of embodiment of the invention single-base band single-radio frequency dual-SIM dual-standby communication terminal among Fig. 3.In conjunction with Fig. 1 and Fig. 4, the channel frequency allocation table of the secondary card 103 of memory module 105 storages of communicating terminal 10, i.e. BA list.As previously mentioned, in an embodiment, BA list can be stored in the memory module 105, also can be stored in the secondary card 103.When BA list was stored in secondary card 103, secondary card 103 was realized the function of the memory module 105 in the embodiment of the invention simultaneously.
When main card 101 carries out service communication because this moment, main card 101 needed to receive information on the Traffic Channel, idle frame all be used for basically main card 101 carry out new adjacent area synchronously, therefore this moment, secondary card was in desynchronizing state basically.
Monitoring modular 107 is monitored the frequency among the BA list when main card 101 carries out service communication.Monitoring modular 107 is measured the RxLev value of the frequency among the BA list.In an embodiment, monitoring modular 107 can be as shown in Figure 4, when main card 101 carries out service communication or carry out the monitoring of frequency signal strength signal intensity under the paging defrag status, also can carry out the monitoring of frequency signal strength signal intensity after main card is finished service communication.
Judge module 109 sorts to frequency according to the monitoring result of monitoring modular 107, and RxLev determines effectively frequency of conduct greater than access minimum levels or the secondary frequency that blocks the signal strength signal intensities that define in 103 system messages that received before main card 101 beginning service communications.In an embodiment, usually, judge module 109 operations such as laggard line frequency point ordering of communicating by letter at main card 101 winding-ups.
Effective frequency that synchronization module 111 is determined according to judge module 109 carries out the synchronous of secondary card 103, and the sequencing selection frequencies of determining according to judge module 109 carry out synchronously.In wireless communication system, synchronous process is divided into Frequency Synchronization and time synchronized.Synchronization module 111 is monitored the FCCH of this effective frequency, determines " 0 " time slot of effective frequency, finishes the Frequency Synchronization of frequency; Monitor the information of the SCH of frequency, synchronous according to the further deadline of frame number.In an embodiment, synchronization module 111 can finish earlier Frequency Synchronization again the deadline synchronous, also can elder generation the deadline finish Frequency Synchronization synchronously again.The frequency that communicating terminal 10 is finished secondary card 103 synchronously after, can obtain this frequency place system information of subdistricts, enter gsm system.
If frequency is unsuccessful synchronously, the back frequency in the ordering that synchronization module 111 selection judge modules 109 are determined continues synchronous operation.In some cases, all successes synchronously of effective frequency that judge module 109 is determined, at this moment, secondary card determines to fall net, and communicating terminal 10 needs the operation of beginning NetFind.
Need to prove that in other embodiments, judge module 109 can not sort to effective frequency, synchronization module 111 selects frequency to carry out synchronously at random.
Because the embodiment of the invention does not increase the too much simultaneous operation to pair card 103 in main card 101 service communication processes, so can not influence the synchronous of main card 101,101 operations do not have negative effect to main card.In addition, the embodiment of the invention exists under the situation of effective frequency in the BA of pair card 103 list, can realize as early as possible and base station synchronization, guarantees normally carrying out of secondary card 103 follow-up business.Easy and simple to handle, be easy to the management.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.
Claims (9)
1. single-base band single-radio frequency dual-SIM dual-standby communication terminal, it is characterized in that: described communicating terminal comprises
Memory module is used to store the first Broadcast Control Channel frequency assignment chart that is stuck in before the second card business communication begins;
Judge module is used for determining to have effective frequency in the described channel frequency allocation table after the described second card winding-up communication;
Synchronization module is used for by synchronously described first card of described effective frequency.
2. communicating terminal as claimed in claim 1 is characterized in that: described communicating terminal further comprises monitoring modular, is used to monitor the signal strength signal intensity of described channel frequency allocation table intermediate-frequeney point.
3. communicating terminal as claimed in claim 2 is characterized in that: described judge module is further used for determining that the signal strength signal intensity of the frequency in the described channel frequency allocation table is higher than inserts minimum signal strength or first and be stuck in the signal strength signal intensity that defines in the system message that receives before the second card business communication begins.
4. communicating terminal as claimed in claim 1 is characterized in that: described synchronization module further comprises and is used for sticking into the synchronous and time synchronized submodule of line frequency to described first by the Frequency Synchronization submodule to be used for sticking into line time to described first synchronous.
5. the idle method of a single-base band single-radio frequency dual-SIM dual-standby communication terminal, it is characterized in that: described method comprises
Storage first is stuck in the Broadcast Control Channel frequency assignment chart before the second card business communication begins;
After the described second card winding-up communication, determine to have effective frequency in the described channel frequency allocation table;
By synchronously described first card of described effective frequency.
6. the idle method of a kind of dual-card dual-standby communication terminal as claimed in claim 5 is characterized in that: the storage described first that is operating as that described storage first is stuck in channel frequency allocation table before the second card business communication begins is stuck in Broadcast Control Channel frequency assignment chart before the described second card business communication begins.
7. the idle method of a kind of dual-card dual-standby communication terminal as claimed in claim 5, it is characterized in that: described method further comprises the signal strength signal intensity of monitoring described channel frequency allocation table intermediate-frequeney point.
8. the idle method of a kind of dual-card dual-standby communication terminal as claimed in claim 7 is characterized in that: describedly determine to exist in the described channel frequency allocation table signal strength signal intensity of determining the frequency in the described channel frequency allocation table that is operating as of effective frequency to be higher than and to insert minimum signal strength or first and be stuck in the signal strength signal intensity that defines in the system message that receives before the second card business communication begins.
9. the idle method of a kind of dual-card dual-standby communication terminal as claimed in claim 5 is characterized in that: the operation of described synchronously described first card comprises and sticks into line frequency synchronously and time synchronized to described first.
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| CN2008100325991A CN101217742B (en) | 2008-01-11 | 2008-01-11 | A single-baseband single radio frequency dual-card dual-standby communication terminal and the corresponding standby method |
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| CN2008100325991A CN101217742B (en) | 2008-01-11 | 2008-01-11 | A single-baseband single radio frequency dual-card dual-standby communication terminal and the corresponding standby method |
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| CN101908922B (en) * | 2010-07-26 | 2013-09-04 | 展讯通信（上海）有限公司 | Frequency offset correction method and device of multi-card mobile terminal |
| CN102917415B (en) * | 2012-09-28 | 2017-03-15 | 东莞宇龙通信科技有限公司 | Mode mobile terminal and its mode switching method |
| CN109302700B (en) * | 2017-07-25 | 2021-03-23 | 展讯通信（上海）有限公司 | Multi-card mobile terminal, service processing method thereof and computer readable storage medium |
| CN110546993B (en) * | 2019-07-10 | 2022-07-22 | 北京小米移动软件有限公司 | Cell reselection method, device, mobile terminal and storage medium |
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| CN1829369A (en) * | 2006-04-07 | 2006-09-06 | 姜宏伟 | Base station monitoring method based on GSM dual-network |
| WO2008001061A1 (en) * | 2006-06-26 | 2008-01-03 | Symbian Software Limited | A method of operating a dual sim wireless communications device |
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Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1829369A (en) * | 2006-04-07 | 2006-09-06 | 姜宏伟 | Base station monitoring method based on GSM dual-network |
| WO2008001061A1 (en) * | 2006-06-26 | 2008-01-03 | Symbian Software Limited | A method of operating a dual sim wireless communications device |
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| WO 2008001061 A1,说明书第7页第4-5段，第8页第3-4段，第9页第5段、图3. |
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