CN101951653A - Conflict solution method and device of multi-card and multi-standby mobile communication terminal - Google Patents
Conflict solution method and device of multi-card and multi-standby mobile communication terminal Download PDFInfo
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Abstract
The invention relates to conflict solution method and device of a multi-card and multi-standby mobile communication terminal. The conflict solution method comprises the steps of: recording a time difference of a plurality of network cells in the wireless communication system; judging whether a paging conflict exists among a plurality of user cards in the mobile communication system; and if so, switching network cells in one or more of the user cards according to the recorded time difference of the network cells. Compared with the prior art, the conflict solution technology can be used for switching the network cells in one or more of the user cards according to the recorded time difference of the network cells when the paging conflict exist among the user cards in the mobile communication terminal, thereby avoiding the problem of communication failure caused by paging conflict generated by the user cards.
Description
Technical field
The present invention relates to wireless communication field, particularly relate to the contention resolution and the device of multi-card multi-standby mobile communication terminal.
Background technology
The development of mobile communication has formed the mobile communications network of multiple standard, as second generation mobile communication system (2G): global system for mobile communications (GSM, Global System for Mobile Communication), General Packet Radio System (GPRS, General Packet Radio System), strengthen data rate GSM business (EDGE, Enhanced Data rates for GSM service), code division multiple access (CDMA, Code Division Multiple Access), 3-G (Generation Three mobile communication system) (3G): unified mobile communication system (UMTS, Universal Mobile Telecommunications System, be also referred to as Wideband Code Division Multiple Access (WCDMA) (WCDMA, Wideband CDMA)), Time Division-Synchronous Code Division Multiple Access (TD-SCDMA, Time Division-Synchronous CDMA), next generation mobile communication system: Long Term Evolution (LTE, Long Term Evolution), worldwide interoperability for microwave inserts (WIMAX, Worldwide Interoperability for Microwave Access).
Since the networking asynchronism(-nization) of each wireless network, the scope difference of each network coverage, and different application service content that operator provided and rate also have very big difference.In the process of Communication Development, customer-centric is the focus of market competition.Though the standard of mobile network's technology is ununified as yet at present, but the different subscriber card of mobile phone configuration (is a client identification module card, SIM, Subscriber Identity Module, be designated hereinafter simply as SIM card) so that the consumer enjoys the application service of heterogeneous networks or different operators can realize technically, also be that the consumer is needed.Simultaneously, disposing two SIM card and enjoy the service of consolidated network (for example a SIM card is local card, and another kind of SIM card is the other places card that is used to travel on official business) simultaneously on same mobile phone, also is that the consumer is needed.
Occurred to dispose simultaneously the mobile phone of two subscriber cards for this reason on the market, so not only saved the user and bought the expense of mobile phone, and be convenient to the user and carry, be beneficial to very much the consumer and use, made to link up to become more convenient.
For example, publication number is the 2005/0020286A1 U.S. Patent application, 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, GPRS, CDMA and UMTS etc., described bimodulus travelling carriage is when receiving the service of heterogeneous networks, in display screen, shown, inform that the user receives the service of which kind of network now, so that the user selects corresponding number and corresponding with service according to corresponding network.
In addition, publication number is the Chinese patent application of CN1976516A, a kind of double-card double-standby mobile telephone is disclosed, comprise main frame and slave, described main frame has main frame draw-in groove, master machine antenna, main frame radio-frequency module and main frame baseband processing module, described slave has slave draw-in groove, slave antenna, slave radio-frequency module and slave baseband processing module, by antenna, radio-frequency module and the baseband processing module of two covers are set, makes two subscriber cards can both be in the standby opening state.
With common double card double standby mobile phone is example, two SIM card wherein might belong to different network cells, the beep-page message that is provided by the map network sub-district need be provided respectively two SIM card, and described beep-page message need take the paging channel (PCH) in the Common Control Channel (CCCH).Yi Zhi, there is not synchronization mechanism between the different base station under the heterogeneous networks sub-district, the frame structure that they send separately has the time difference, make these two SIM card when the beep-page message that provides by the map network sub-district is provided respectively, easily produce paging conflict (the time overlaids of two SIM card paging receiving message).As shown in Figure 1, SIM 1 pairing Common Control Channel (CCCH) and SIM 2 pairing Common Control Channel (CCCH) are overlapping in time, have just produced paging conflict.If the 1 pairing paging group cycle of SIM is identical again with the 2 pairing paging group cycles of SIM, can cause described paging conflict periodically to occur always.Easily cause communication failure during paging conflict, for example net appears falling in a SIM card wherein.
Summary of the invention
The problem that the present invention solves provides a kind of contention resolution that is used for the multi-card multi-standby mobile communication terminal, has solved because the paging conflict of a plurality of subscriber cards and cause falling the problem of net in the asynchronous mobile communication terminal that causes of each network cell signal with simple and easy to do method.
For addressing the above problem, the invention provides a kind of contention resolution of multi-card multi-standby mobile communication terminal, described mobile communication terminal is applied in the wireless communication system, described wireless communication system comprises a plurality of network cells, and described contention resolution comprises: the time difference of writing down a plurality of network cells in the described wireless communication system; Judge whether a plurality of subscriber cards in the described mobile communication terminal exist paging conflict; If there is a paging conflict, then according to time difference of a plurality of network cells of described record, to the one or more hand-off process of carrying out network cell in described a plurality of subscriber cards.
Alternatively, the time difference of a plurality of network cells comprises in the described wireless communication system of described record: specifying a subscriber card in described a plurality of subscriber cards is main card; With time of the network cell of described main card correspondence as fiducial time, write down the time difference of other each network cells and described fiducial time.
Alternatively, described paging conflict is meant the time overlaid of described a plurality of subscriber card paging receiving message.
Alternatively, describedly judge whether a plurality of subscriber cards in the described mobile communication terminal exist paging conflict to comprise: write down a plurality of subscriber cards time point of corresponding paging receiving message respectively; Calculate the time difference of the time point of the pairing paging receiving message of a plurality of subscriber cards; If calculate the duration of the time difference of gained less than the Common Control Channel block, then there is paging conflict in a plurality of subscriber cards of decidable; If calculate the duration of the time difference of gained greater than the Common Control Channel block, then there is not paging conflict in a plurality of subscriber cards of decidable.
Alternatively, the time point of the paging receiving message of described subscriber card correspondence is the start time point or the concluding time point of the corresponding Common Control Channel of described subscriber card.
Alternatively, according to the time difference of a plurality of network cells of described record, one or more hand-off process of carrying out network cell in described a plurality of subscriber cards are comprised:, described a plurality of subscriber cards are switched to the pairing same network cell of described main card if described a plurality of subscriber cards belong to same Virtual network operator; If described a plurality of subscriber cards belong to a different Virtual network operator, according to the time difference of a plurality of network cells of described record, described a plurality of subscriber cards are switched in the different network cell, and the time difference of a described difference network cell guarantees that described a plurality of subscriber card does not produce paging conflict.
Alternatively, if described a plurality of subscriber cards belong to a different Virtual network operator, according to the time difference of a plurality of network cells of described record, described a plurality of subscriber cards are switched in the different network cell, and the time difference of a described difference network cell guarantees that described a plurality of subscriber card does not produce paging conflict and comprises: search is with respect to one or more adjacent networks sub-district of the pairing network cell of described main card; The height of each adjacent network sub-district according to power level sorted; According to power level, begin from high to low, judge between described each adjacent network sub-district and the pairing network cell of described main card whether have paging conflict one by one; If find the adjacent network sub-district that does not produce paging conflict, judge again whether the power level of described adjacent network sub-district connects required threshold level greater than network; If the power level of described adjacent network sub-district then just switches to described adjacent network sub-district with the one or more subscriber cards except that described main card greater than described threshold level; Otherwise, if the power level of described adjacent network sub-district is less than described threshold level, searching near network cell again then.
Alternatively, described multi-card multi-standby mobile communication terminal is three card tri-standby mobile phones.
The present invention also provides a kind of competition solving device of multi-card multi-standby mobile communication terminal on the other hand, described mobile communication terminal is applied in the wireless communication system, described wireless communication system comprises a plurality of network cells, described competition solving device comprises: record cell, the time difference that is used for writing down a plurality of network cells of described wireless communication system; The conflict judging unit is used for judging whether a plurality of subscriber cards of described mobile communication terminal exist paging conflict; Switch control unit, if described conflict judgment unit judges obtains described a plurality of subscriber card and has paging conflict, then according to time difference of a plurality of network cells that described record cell write down, to the one or more hand-off process of carrying out network cell in described a plurality of subscriber cards.
Alternatively, the time difference of a plurality of network cells of described recording unit records comprises: specifying a subscriber card in described a plurality of subscriber cards is main card; With time of the network cell of described main card correspondence as fiducial time, write down the time difference of other each network cells and described fiducial time.
Alternatively, described paging conflict is meant the time overlaid of described a plurality of subscriber card paging receiving message.
Alternatively, whether a plurality of subscriber cards in the described mobile communication terminal of described conflict judgment unit judges exist paging conflict to comprise: write down a plurality of subscriber cards time point of corresponding paging receiving message respectively; Calculate the time difference of the time point of the pairing paging receiving message of a plurality of subscriber cards; If calculate the duration of the time difference of gained less than the Common Control Channel block, then there is paging conflict in a plurality of subscriber cards of decidable; If calculate the duration of the time difference of gained greater than the Common Control Channel block, then there is not paging conflict in a plurality of subscriber cards of decidable.
Alternatively, the time point of the paging receiving message of described subscriber card correspondence is the start time point or the concluding time point of the Common Control Channel of described subscriber card correspondence.
Alternatively, described switch control unit is according to the time difference of a plurality of network cells that described record cell write down, one or more hand-off process of carrying out network cell in described a plurality of subscriber cards are comprised:, described a plurality of subscriber cards are switched in the pairing same network cell of described main card if described a plurality of subscriber cards belong to same Virtual network operator; If described a plurality of subscriber cards belong to a different Virtual network operator, according to the time difference of a plurality of network cells of described record, described a plurality of subscriber cards are switched in the different network cell, and the time difference of a described difference network cell guarantees that described a plurality of subscriber card does not produce paging conflict.
Alternatively, if described a plurality of subscriber cards belong to a different Virtual network operator, according to the time difference of a plurality of network cells of described record, described a plurality of subscriber cards are switched in the different network cell, and the time difference of a described difference network cell guarantees that described a plurality of subscriber card does not produce paging conflict and comprises: search is with respect to one or more adjacent networks sub-district of the pairing network cell of described main card; The height of each adjacent network sub-district according to power level sorted; According to power level, begin from high to low, judge between described each adjacent network sub-district and the pairing network cell of described main card whether have paging conflict one by one; If find the adjacent network sub-district that does not produce paging conflict, judge again whether the power level of described adjacent network sub-district connects required threshold level greater than network; If the power level of described adjacent network sub-district then just switches to described adjacent network sub-district with the one or more subscriber cards except that described main card greater than described threshold level; Otherwise, if the power level of described adjacent network sub-district is less than described threshold level, searching near network cell again then.
Alternatively, described multi-card multi-standby mobile communication terminal is three card tri-standby mobile phones.
Conflict technical solution of the present invention, write down the time difference of a plurality of network cells, when having paging conflict, according to the time difference of a plurality of network cells, with the one or more hand-off process of carrying out network cell in described a plurality of subscriber cards with a plurality of subscriber cards in mobile communication terminal.Than prior art, can avoid the communication failure that paging conflict causes occurring because of a plurality of subscriber cards.
Description of drawings
By the more specifically explanation of the preferred embodiments of the present invention shown in the accompanying drawing, above-mentioned and other purpose, feature and advantage of the present invention will be more clear.Reference numeral identical in whole accompanying drawings is indicated identical part.Painstakingly do not draw accompanying drawing, focus on illustrating purport of the present invention by actual size equal proportion convergent-divergent.
Fig. 1 is the frame structure schematic diagram that a plurality of subscriber cards produce paging conflict in the prior art when paging receiving message;
Fig. 2 is the frame structure schematic diagram of gsm system physical channel;
Fig. 3 shows the gsm system logical channel type;
Fig. 4 has shown and has been applied to the conflict hardware implementation platform of double card double standby mobile phone of solution of the present invention;
Fig. 5 has shown that double card double standby mobile phone among the present invention is applied to the schematic diagram in the wireless communication system;
Fig. 6 has shown that the present invention is used for the competition solving device structural representation in one embodiment of double card double standby mobile phone;
Fig. 7 shown be applied to the present invention conflict solution three the card tri-standby mobile phones the hardware implementation platform;
Fig. 8 has shown that three card tri-standby mobile phones among the present invention are applied to the schematic diagram in the wireless communication system;
Fig. 9 has shown that the present invention is used for the competition solving device structural representation in another embodiment of three card tri-standby mobile phones;
Figure 10 has shown that the present invention is used for the schematic flow sheet of the contention resolution of multi-card multi-standby communication terminal.
Embodiment
By background technology as can be known, in existing multi-card multi-standby mobile phone, owing to do not have synchronization mechanism between each network cell, life period is poor, makes a plurality of subscriber cards when carrying out paging receiving message, easily produces paging conflict and causes subscriber card to fall communication failures such as net.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, the specific embodiment of the present invention is described in detail below in conjunction with accompanying drawing.
Set forth a lot of details in the following description so that fully understand the present invention, implement but the present invention can also adopt other to be different from alternate manner described here, so the present invention has not been subjected to the restriction of following public specific embodiment.
In explanation of the present invention, described multi-card multi-standby mobile communication terminal is the multi-card multi-standby mobile phone, according to one embodiment of the invention, a plurality of subscriber cards in the described multi-card multi-standby mobile phone refer in particular to and are associated with in the same standard Radio Network System, for instance, Subscriber Identity Module can be subscriber identification module (the SubscriberIdentity Module corresponding to gsm system, be designated hereinafter simply as SIM) card, perhaps corresponding to USIM (the Universal Subscriber Identity Module of UMTS system, be designated hereinafter simply as USIM) card, or corresponding to removable subscriber identification module (the Removable User Identity Module of CDMA2000 system, be designated hereinafter simply as RUIM) card or CDMA subscriber identification module (CDMA SubscriberIdentity Module, be designated hereinafter simply as CS1M) card, perhaps corresponding to the wireless network card of IEEE 802.1 Ix radio area networks (WLAN), perhaps other.In addition, a plurality of subscriber cards in the described multi-card multi-standby mobile phone are not limited in the same standard Radio Network System, in other embodiments, described a plurality of subscriber card also can be associated with respectively in the Radio Network System of standard of the same race not, for instance, the subscriber card that has is corresponding to the SIM card of gsm system, and the subscriber card that has is corresponding to usim card of UMTS system etc., and is numerous.
Fig. 2 is the frame structure schematic diagram of gsm system physical channel.Described gsm system adopts the access way of time division multiple access (TDMA).Described time division multiple access is on the wireless carrier that refers to a broadband, is divided into some time-derived channels by the time, and time slot of each CU (Time Slot) is only received (or sending out) signal, so be called time division multiple access in the time slot of this appointment.
As shown in Figure 2, for the gsm system of described employing time division multiple access, a tdma frame of its frame structure bottom includes 8 time slots (being the physical channel).Described a plurality of tdma frame constitutes multi-frame (Multiframe), and described multi-frame structure has two kinds, contains 26 or 51 coherent tdma frames respectively.The described multi-frame that contains 26 frames is used for Traffic Channel and associated control channel thereof, and the described multi-frame that contains 51 frames is exclusively used in control channel.A plurality of multi-frames constitute a superframe (Super Frame) again, and it is coherent 51 * 26TDMA frame, and promptly a superframe can be to comprise 51 26TDMA multi-frames, also can be to comprise 26 51TDMA multi-frames.A plurality of (2048) superframe constitutes Hyperframe (Hyper Frame), speech that is used to encrypt and data again.
Fig. 3 shows the configuration diagram of gsm system logic channel.The logic channel of described gsm system can be divided into Traffic Channel (Traffic Channel) and control channel (Control Channel) two big classes.
Described service channel (TCH) is loaded with voice or the user data through coding, is used to realize the exchanges data of speech business and data service.Described control channel (CCH) is used for transfer control instruction or synchrodata, mainly contains three kinds: broadcast channel (BCCH), Common Control Channel (CCCH) and Dedicated Control Channel (DCCH).
Only as being used by the down channel of base station to the mobile communication terminal one-way transmission, be divided into following three kinds of channels again: frequency correction channel (FCCH) is loaded with the information of using for the travelling carriage frequency correction to described broadcast channel (BCCH); Synchronizing channel (SCH) is loaded with the information for mobile communication terminal frame synchronization and base transceiver station identification; Broadcast Control Channel (BCCH) is used for sending broadcast system information to mobile communication terminal.
Described Common Control Channel (CCCH) is shared by mobile communication terminal in the system, is divided into three kinds of channels again: paging channel (PCH) is used for the called mobile communication terminal of paging; Random Access Channel (RACH) is used for mobile communication terminal and proposes the application that networks at random; Grant access channel (AGCH), be used for the base station and the networking request of mobile communication terminal is made replied.
Described Dedicated Control Channel (DCCH) is distributed to mobile communication terminal by the base station with it in use, and the signal that is used to carry out between mobile communication terminal and the base station transmits, and is divided into Separate Dedicated Control Channel (SDCCH) and associated control channel (ACCH) again.
For the multi-card multi-standby mobile phone, after start, a plurality of subscriber cards wherein (for example SIM card) are through web search and initialization process, after establishing a communications link with each self-corresponding network cell respectively, just be in relatively independent idle holding state, at this moment, described a plurality of subscriber cards just need receive the beep-page message that is provided by the map network sub-district respectively, and described beep-page message need take the paging channel (PCH) in the Common Control Channel (CCCH).But, because the beep-page message that is provided by nonsynchronous map network sub-district is provided a plurality of subscriber cards, (comprise between a subscriber card and other one or more subscriber cards or in a plurality of subscriber card in twos each other) pairing paging channel probably can take place between a plurality of subscriber cards wherein to be produced and conflicts, be the time overlaid of at least two subscriber card paging receiving message in a plurality of subscriber cards and cause paging conflict, cause described multi-card multi-standby mobile phone can't guarantee proper communication with network cell.In this case, the subscriber card that paging conflict occurs is prone to the communication failure of net.
Based on this, the inventor provides a kind of competition solving device and method thereof that is used for the multi-card multi-standby communication terminal, the communication failure of having avoided multi-user card to cause because of paging conflict under different network cells.
For ease of describing, to be that double card double standby mobile phone is that example describes with the multi-card multi-standby mobile communication terminal below, but not as limit, in fact, in other embodiments, the quantity of SIM card also can be unnecessary two three or more in the described multi-card multi-standby mobile phone.
See also Fig. 4, shown to be applied to the conflict hardware implementation platform of double card double standby mobile phone of solution of the present invention.As shown in Figure 4, the hardware implementation platform of described double card double standby mobile phone comprises: a cover gsm communication circuit, antenna 11, a single memory 12, two overlap SIM card interface circuits 13,14, and other control circuits 15 of cover.Hardware increases analog switch 16 on general GSM hardware architecture basis, by software control, connect between two SIM card (indicating with SIM 1 and SIM 2) of putting in two cover SIM card interface circuits, 13,14 correspondences and to switch.Described gsm communication circuit comprises radio circuit 17 and baseband processor 18, and radio circuit 17 comprises rf chip, radio-frequency power amplifier and duplexer, and wherein said duplexer is integrated in the front-end module; Baseband processor 18 comprises GSM signal processor and general-purpose built-in type CPU, and described GSM signal processor is digital signal processing chip (Digital Signal Processing is hereinafter to be referred as DSP), and described general-purpose built-in type CPU is the base band master chip.Other control circuit 15 comprises power module, keyboard, voicefrequency circuit and LCD interface circuit.It should be noted that, in the hardware implementation platform of double card double standby mobile phone shown in Figure 4, described two SIM card are shared cover hardware configuration (antennas for example, radio circuit, baseband processor, other control circuits and memory), but be not limited in this, in other embodiments, the hardware implementation platform of described double card double standby mobile phone can comprise the two cover separate hardware configuration that correspond respectively to two SIM card, be main card for example with SIM 1, SIM 2 is secondary card, and SIM 1 has corresponding master interface circuit, main antenna, main radio circuit, main baseband processor, main other control circuits and main storage; And SIM 2 also has corresponding secondary interface circuit, slave antenna, secondary radio circuit, secondary baseband processor, secondary other control circuits and secondary memory.
In addition, it should be noted that described two SIM card (SIM 1, SIM 2) belong to the network cell of different base station correspondences, for example SIM 1 access network sub-district A1 communicates, and SIM 2 access network sub-district B1 communicate; SIM 1 and SIM 2 belong to a Virtual network operator, also can belong to different Virtual network operators, but should not limit protection scope of the present invention with this.
Based on above-mentioned explanation, after described double card double standby mobile phone start, SIM 1 and SIM 2 are through web search and initialization process, after establishing a communications link with each self-corresponding network cell A1, B1 respectively, just be in relatively independent idle holding state, at this moment, the beep-page message that is provided by network cell A1 and network cell B1 need be provided respectively for SIM 1 wherein and SIM 2, and described beep-page message need take the paging channel (PCH) in the Common Control Channel (CCCH).But, because the beep-page message that is provided by nonsynchronous network cell A1 and network cell B1 is provided for SIM 1 and SIM 2, the paging channel that the correspondence of a SIM card wherein probably can take place produces conflict with the corresponding paging channel of another SIM card, be that overlapping (for example SIM 1 and SIM 2 can or be close on the identical time point simultaneously paging receiving message and cause paging conflict at identical time point) arranged time of SIM 1 and SIM 2 paging receiving message, wherein, the time point of the paging receiving message of SIM 1 and SIM 2 correspondences is the start time point or the concluding time point of the Common Control Channel of SIM 1 and SIM 2 correspondences.In this case, SIM 1 and/or SIM 2 are prone to the communication failure of net, cause described double card double standby mobile phone can't guarantee proper communication with network cell.
Based on this, the inventor provides a kind of competition solving device and method thereof that is used for the multi-card multi-standby communication terminal, the communication failure of having avoided multi-user card to cause because of paging conflict under different network cells.
Fig. 5 has shown that double card double standby mobile phone among the present invention is applied to the schematic diagram in the wireless communication system; Fig. 6 has shown that the present invention is used for the competition solving device structural representation in one embodiment of double card double standby mobile phone.As previously mentioned, in the present embodiment, the multi-card multi-standby communication terminal is a double card double standby mobile phone, has SIM1 and SIM 2, and SIM 1 belongs among different the network cell A1 and network cell B1 with SIM 2.As shown in Figure 6, described competition solving device comprises: record cell 21, conflict judging unit 22, switch control unit 23.
Record cell 21, the time difference that is used for writing down a plurality of network cells of described wireless communication system.In the present embodiment, for effectively writing down the time difference of each network cell, comprising: specifying one of them subscriber card in described a plurality of subscriber cards is main card, and other the one or more subscriber cards except that described main card are secondary card; With time of the network cell of described main card correspondence as fiducial time, write down the time difference that time of the corresponding network cell of described one or more secondary card produced with respect to described fiducial time.In the present embodiment, be main card promptly at described SIM 1 and SIM card of SIM 2 appointments, suppose that with SIM 1 be main card, then SIM 2 is as secondary card; In conjunction with Fig. 5, with time of the network cell A1 of described SIM 1 correspondence as fiducial time, the network cell B1 of record SIM 2 correspondences is with respect to the time difference of described fiducial time.For example, if time of described network cell B1 than the time lead time t of described network cell A1, then network cell B1 is recorded as-the t time; If the time of described network cell B1 then is recorded as network cell B1+the n time than the time-lag time n of described network cell A1.In fact, record cell 21 is except the time difference of record network cell A1 and network cell B1, preferably, the time difference that also comprises record other a plurality of network cells contiguous (for example network cell C1, D1, E1, F1 etc.) corresponding to network cell A1 with respect to network cell A1.
Conflict judging unit 22 is used for judging whether a plurality of subscriber cards of described multi-card multi-standby mobile terminal exist paging conflict.Described paging conflict is meant in described a plurality of subscriber card and has the time overlaid that has two subscriber card paging receiving message at least, in the present embodiment, promptly can have when SIM 1 and SIM 2 paging receiving message overlapping in time.
In actual applications, be example still with SIM in the double card double standby mobile phone 1 and SIM 2, judge whether SIM 1 and SIM 2 exist paging conflict specifically to comprise: the time point and the paging group cycle thereof of record SIM 1 and SIM 2 paging receiving message; The time point (can be the start time point or the termination time point of CCCH block) of SIM 1 and SIM 2 pairing paging receiving message is subtracted each other; If the time difference behind the subtracting each other of gained, then there were paging conflict in decidable SIM 1 and SIM 2 less than the duration of CCCH block; If the time difference behind the subtracting each other of gained, then there be not paging conflict in decidable SIM 1 and SIM 2 greater than the duration of CCCH block (described CCCH block takies four frame durations).
Switch control unit 23, judge at conflict judging unit 22 and to obtain that at least two subscriber cards exist under the situation of paging conflict in described a plurality of subscriber card, the time difference of a plurality of network cells that write down according to record cell 21 is to the pairing one or more hand-off process of carrying out of carrying out network cell of the described a plurality of subscriber cards that relate to paging conflict.In the present embodiment, described hand-off process specifically comprises: (1) is if described SIM
1 and SIM 2 belong to same Virtual network operator, then described SIM 2 is switched among the described SIM 1 pairing network cell A1; (2) if described SIM 1 belongs to different Virtual network operators with SIM 2, the time difference of a plurality of network cells that write down according to record cell 21, described SIM 2 is switched in another network cell, make that the time difference between another network cell and the network cell A1 can guarantee that described SIM1 and SIM 2 do not produce paging conflict.Wherein, more specifically comprise for (2): a, when the existing pairing network cells of SIM 2 paging conflict occurs with SIM 1 pairing network cell A1, search for the one or more adjacent networks sub-district (NCell) with respect to network cell A1; B, the height of each adjacent network sub-district according to power level sorted; C, according to power level, begin from high to low, judge and whether have paging conflict between described each adjacent network sub-district and the network cell A1 (that is: the time difference between adjacent network sub-district and the network cell A1 is whether greater than the duration of CCCH block) one by one; D, if find the adjacent network sub-district that does not produce paging conflict, whether the power level of judging described adjacent network sub-district again connects required threshold level (Threshold Level) greater than network, if meet the requirements greater than described threshold level, then just SIM 2 is switched to described adjacent network sub-district, otherwise, if less than described threshold level, then return to a, again the searching near network cell.
It should be noted that, in other embodiments, the variation example that other still can be arranged, as long as hand-off process by switch control unit 23, can reach and guarantee that the purpose that described SIM 1 and SIM 2 do not produce paging conflict gets final product, for example when described SIM 1 and SIM 2 belong to same Virtual network operator, also described SIM 1 can be switched among the described SIM 2 pairing network cell B1; Perhaps when described SIM 1 and SIM 2 belong to different Virtual network operators, the time difference of a plurality of network cells that write down according to record cell 21, also described SIM 1 and SIM 2 can be switched in each self-corresponding different network cell simultaneously, make their time difference can guarantee that described SIM 1 and SIM 2 do not produce paging conflict.
In the above-described embodiments, be that example describes with the double card double standby mobile phone as the described multi-card multi-standby mobile phone of mobile communication terminal, but as previously mentioned, be not limited in this, in other embodiments, described multi-card multi-standby mobile phone still can have other variations, for example is three card tri-standby mobile phones.Be that example describes promptly below with three card tri-standby mobile phones.
See also Fig. 7, shown be applied to the present invention conflict solution three the card tri-standby mobile phones the hardware implementation platform.As shown in Figure 7, the hardware implementation platform of described three card tri-standby mobile phones comprises: a cover gsm communication circuit, antenna 41, a single memory 42, three overlap SIM card interface circuits 43,44,45, and other control circuits 46 of cover.Hardware increases analog switch 47 on general GSM hardware architecture basis, by software control, connect between three SIM card (indicating with SIM 3, SIM 4, SIM 5) of putting in three cover SIM card interface circuits, 43,44,45 correspondences and to switch.Described gsm communication circuit comprises radio circuit 48 and baseband processor 49, and radio circuit 48 comprises rf chip, radio-frequency power amplifier and duplexer, and wherein said duplexer is integrated in the front-end module; Baseband processor 49 comprises GSM signal processor and general-purpose built-in type CPU, and described GSM signal processor is digital signal processing chip (Digital Signal Processing is hereinafter to be referred as DSP), and described general-purpose built-in type CPU is the base band master chip.Other control circuit 46 comprises power module, keyboard, voicefrequency circuit and LCD interface circuit.
In addition, it should be noted that described three SIM card (SIM 3, SIM 4, SIM 5) belong to the network cell of different base station correspondences, for example SIM 3 access network sub-district C2 communicate, SIM 4 access network sub-district D2 communicate, and SIM 5 access network sub-district E2 communicate; SIM 3, SIM 4, SIM 5 belong to a Virtual network operator, and (for example two SIM card in three SIM card belong to a Virtual network operator, and remaining SIM card belongs to another Virtual network operator also can to belong to different Virtual network operators; Perhaps, three SIM card belong to different Virtual network operators respectively), but should not limit protection scope of the present invention with this.
Based on above-mentioned explanation, after described three card tri-standby mobile phone starts, SIM 3 wherein, SIM 4 and SIM
5 need receive respectively by network cell C2, the beep-page message that network cell D2 and network cell E2 provide, because SIM 3, SIM 4 and SIM 5 receive by nonsynchronous network cell C2, the beep-page message that network cell D2 and network cell E2 provide, one or two the corresponding logic channel that probably can take place in two SIM card of logic channel and other of correspondence of one of them SIM card produces conflict, promptly have the time overlaid of at least two SIM card paging receiving message and cause paging conflict (for example SIM 3 and SIM 5 at identical time point or be close on the identical time point simultaneously paging receiving message and cause paging conflict), wherein, the time point of the paging receiving message of SIM 3 and SIM 5 correspondences is the start time point or the concluding time point of the Common Control Channel of SIM3 and SIM 5 correspondences.In this case, SIM 3, SIM 4 and/or SIM 5 are prone to the communication failure of net, cause described three card tri-standby mobile phones can't guarantee proper communication with network cell.
Based on this, Fig. 8 has shown that three card tri-standby mobile phones among the present invention are applied to the schematic diagram in the wireless communication system; Fig. 9 has shown that the present invention is used for the competition solving device structural representation in one embodiment of three card tri-standby mobile phones.
As previously mentioned, in the present embodiment, the multi-card multi-standby communication terminal is three card tri-standby mobile phones, have SIM3, SIM 4 and SIM 5, and SIM 3, SIM 4 belongs among different network cell C2, network cell D2 and the network cell E2 with SIM 5.As shown in Figure 6, described competition solving device comprises: record cell 51, conflict judging unit 52, switch control unit 53.
Record cell 51, the time difference that is used for writing down a plurality of network cells of described wireless communication system.In the present embodiment, for effectively writing down the time difference of each network cell, comprising: specifying one of them subscriber card in described a plurality of subscriber cards is main card, and other the one or more subscriber cards except that described main card are secondary card; With time of the network cell of described main card correspondence as fiducial time, write down the time difference that time of the corresponding network cell of described one or more secondary card produced with respect to described fiducial time.In the present embodiment, promptly specify SIM 3 to be main card, then SIM 4 and SIM 5 are secondary card; In conjunction with Fig. 8, with time of the network cell C2 of described SIM 3 correspondences as fiducial time, the network cell D2 of record SIM 4 correspondences and the network cell E2 of SIM 5 correspondences are respectively with respect to time difference of described fiducial time.For example, if time of described network cell D2 than the time lead time t of described network cell C2, then network cell D2 is recorded as-the t time; If the time of described network cell D2 then is recorded as network cell D2+the n time than the time-lag time n of described network cell C2.In fact, record cell 51 is except the time difference of record network cell C2 and network cell D2, preferably, the time difference that also comprises record other a plurality of network cells contiguous (for example network cell A2, B2, F2, G2 etc.) corresponding to network cell C2 with respect to network cell C2.
Conflict judging unit 52 is used for judging whether a plurality of subscriber cards of described three card tri-standby mobile phones exist paging conflict.In the present embodiment, judge the time overlaid of two SIM card among SIM 3, SIM 4 and the SIM 5 or three SIM card paging receiving message exactly and cause paging conflict.About how judging whether three subscriber cards of described three cards in the tri-standby mobile phones exist the concrete operations of paging conflict can be with reference to above at the description of the judgement of the paging conflict of two subscriber cards in the double card double standby mobile phone.In the present embodiment, suppose that paging conflict appears in SIM 3 and SIM 5.
Switch control unit 53, judge at conflict judging unit 52 and to obtain that at least two subscriber cards exist under the situation of paging conflict in described a plurality of subscriber card, the time difference of a plurality of network cells that write down according to record cell 51 is to the pairing one or more hand-off process of carrying out of carrying out network cell of the described a plurality of subscriber cards that relate to paging conflict.In the present embodiment, described hand-off process specifically comprises: if described SIM 3 and SIM 5 belong to same Virtual network operator, then described SIM 5 is switched among the described SIM 3 pairing network cell C2; If described SIM 3 belongs to different Virtual network operators with SIM 5, the time difference of a plurality of network cells that write down according to record cell 51, described SIM 5 is switched in another network cell, make that the time difference between another network cell and the network cell C2 can guarantee that described SIM 3 and SIM 5 do not produce paging conflict.It should be noted that, in other embodiments, the variation example that other still can be arranged, as long as hand-off process by switch control unit 53, can reach and guarantee that the purpose that described SIM 3 and SIM 5 do not produce paging conflict gets final product, for example when described SIM 3 and SIM 5 belong to same Virtual network operator, also described SIM 3 can be switched among the described SIM 5 pairing network cell E2; Perhaps when described SIM 3 and SIM 5 belong to different Virtual network operators, the time difference of a plurality of network cells that write down according to record cell 51, also described SIM 3 and SIM 5 can be switched in each self-corresponding different network cell simultaneously, make their time difference can guarantee that described SIM 3 and SIM 5 do not produce paging conflict.
The competition solving device of corresponding above-mentioned multi-card multi-standby communication terminal, Figure 10 has shown that the present invention is used for the schematic flow sheet of the contention resolution of multi-card multi-standby communication terminal.Described contention resolution comprises:
Step S301, the time difference of writing down a plurality of network cells in the described wireless communication system;
Step S303 judges whether a plurality of subscriber cards in the described mobile communication terminal exist paging conflict.If judge to have paging conflict, then proceed to step S305; Otherwise, if judge there is not paging conflict, then finish described flow process, return to step S303.
Step S305 judges whether described a plurality of subscriber card belongs to same Virtual network operator.If belong to same Virtual network operator, then proceed to step S307; If do not belong to same Virtual network operator, then proceed to step S309.
Step S307, described a plurality of subscriber cards that will belong to same Virtual network operator switch in the same network cell.
Step S309, according to the time difference of a plurality of network cells of described record, the described a plurality of subscriber cards that do not belong to same Virtual network operator are switched in the different network cell, and the time difference of a described difference network cell guarantees that described a plurality of subscriber card does not produce paging conflict.
In sum, conflict technical solution of the present invention, write down the time difference of a plurality of network cells, when having paging conflict with a plurality of subscriber cards in mobile communication terminal, according to the time difference of a plurality of network cells, with the one or more hand-off process of carrying out network cell in described a plurality of subscriber cards,, can avoid described a plurality of subscriber card to produce paging conflict and the communication failure that causes than prior art.
Though the present invention with preferred embodiment openly as above; but it is not to be used for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can make possible change and modification, so protection scope of the present invention should be as the criterion with the scope that claim of the present invention was defined.
Claims (16)
1. the contention resolution of a multi-card multi-standby mobile communication terminal, described mobile communication terminal is applied in the wireless communication system, and described wireless communication system comprises a plurality of network cells, it is characterized in that, and described contention resolution comprises:
Write down the time difference of a plurality of network cells in the described wireless communication system;
Judge whether a plurality of subscriber cards in the described mobile communication terminal exist paging conflict;
If there is a paging conflict, then according to time difference of a plurality of network cells of described record, to the one or more hand-off process of carrying out network cell in described a plurality of subscriber cards.
2. contention resolution as claimed in claim 1 is characterized in that, the time difference of a plurality of network cells comprises in the described wireless communication system of described record: specifying a subscriber card in described a plurality of subscriber cards is main card; With time of the network cell of described main card correspondence as fiducial time, write down the time difference of other each network cells and described fiducial time.
3. contention resolution as claimed in claim 1 is characterized in that, described paging conflict is meant the time overlaid of described a plurality of subscriber card paging receiving message.
4. contention resolution as claimed in claim 3 is characterized in that, describedly judges whether a plurality of subscriber cards in the described mobile communication terminal exist paging conflict to comprise:
Write down a plurality of subscriber cards time point of corresponding paging receiving message respectively;
Calculate the time difference of the time point of the pairing paging receiving message of a plurality of subscriber cards;
If calculate the duration of the time difference of gained less than the Common Control Channel block, then there is paging conflict in a plurality of subscriber cards of decidable; If calculate the duration of the time difference of gained greater than the Common Control Channel block, then there is not paging conflict in a plurality of subscriber cards of decidable.
5. contention resolution as claimed in claim 4 is characterized in that, the time point of the paging receiving message of described subscriber card correspondence is the start time point or the concluding time point of the corresponding Common Control Channel of described subscriber card.
6. contention resolution as claimed in claim 3 is characterized in that, the time difference according to a plurality of network cells of described record, the one or more hand-off process of carrying out network cell in described a plurality of subscriber cards is comprised:
If described a plurality of subscriber cards belong to same Virtual network operator, described a plurality of subscriber cards are switched in the pairing same network cell of described main card;
If described a plurality of subscriber cards belong to a different Virtual network operator, according to the time difference of a plurality of network cells of described record, described a plurality of subscriber cards are switched in the different network cell, and the time difference of a described difference network cell guarantees that described a plurality of subscriber card does not produce paging conflict.
7. contention resolution as claimed in claim 6, it is characterized in that, if described a plurality of subscriber cards belong to a different Virtual network operator, according to the time difference of a plurality of network cells of described record, described a plurality of subscriber cards are switched in the different network cell, and the time difference of a described difference network cell guarantees that described a plurality of subscriber card does not produce paging conflict and comprises:
Search is with respect to one or more adjacent networks sub-district of the pairing network cell of described main card;
The height of each adjacent network sub-district according to power level sorted; According to power level, begin from high to low, judge between described each adjacent network sub-district and the pairing network cell of described main card whether have paging conflict one by one;
If find the adjacent network sub-district that does not produce paging conflict, judge again whether the power level of described adjacent network sub-district connects required threshold level greater than network;
If the power level of described adjacent network sub-district then just switches to described adjacent network sub-district with the one or more subscriber cards except that described main card greater than described threshold level; Otherwise, if the power level of described adjacent network sub-district is less than described threshold level, searching near network cell again then.
8. contention resolution as claimed in claim 1 is characterized in that, described multi-card multi-standby mobile communication terminal is three card tri-standby mobile phones.
9. the competition solving device of a multi-card multi-standby mobile communication terminal, described mobile communication terminal is applied in the wireless communication system, and described wireless communication system comprises a plurality of network cells, it is characterized in that, and described competition solving device comprises:
Record cell, the time difference that is used for writing down a plurality of network cells of described wireless communication system;
The conflict judging unit is used for judging whether a plurality of subscriber cards of described mobile communication terminal exist paging conflict;
Switch control unit, if described conflict judgment unit judges obtains described a plurality of subscriber card and has paging conflict, then according to time difference of a plurality of network cells that described record cell write down, to the one or more hand-off process of carrying out network cell in described a plurality of subscriber cards.
10. competition solving device as claimed in claim 9 is characterized in that, the time difference of a plurality of network cells of described recording unit records comprises: specifying a subscriber card in described a plurality of subscriber cards is main card; With time of the network cell of described main card correspondence as fiducial time, write down the time difference of other each network cells and described fiducial time.
11. competition solving device as claimed in claim 9 is characterized in that, described paging conflict is meant the time overlaid of described a plurality of subscriber card paging receiving message.
12. competition solving device as claimed in claim 11 is characterized in that, whether a plurality of subscriber cards in the described mobile communication terminal of described conflict judgment unit judges exist paging conflict to comprise:
Write down a plurality of subscriber cards time point of corresponding paging receiving message respectively;
Calculate the time difference of the time point of the pairing paging receiving message of a plurality of subscriber cards;
If calculate the duration of the time difference of gained less than the Common Control Channel block, then there is paging conflict in a plurality of subscriber cards of decidable; If calculate the duration of the time difference of gained greater than the Common Control Channel block, then there is not paging conflict in a plurality of subscriber cards of decidable.
13. competition solving device as claimed in claim 12 is characterized in that, the time point of the paging receiving message of described subscriber card correspondence is the start time point or the concluding time point of the Common Control Channel of described subscriber card correspondence.
14. competition solving device as claimed in claim 11, it is characterized in that, described switch control unit comprised the one or more hand-off process of carrying out network cell in described a plurality of subscriber cards according to the time difference of a plurality of network cells that described record cell write down:
If described a plurality of subscriber cards belong to same Virtual network operator, described a plurality of subscriber cards are switched in the pairing same network cell of described main card;
If described a plurality of subscriber cards belong to a different Virtual network operator, and are little according to a plurality of networks of described record
The time difference in district, described a plurality of subscriber cards are switched in the different network cell a described difference network
The time difference of sub-district guarantees that described a plurality of subscriber card does not produce paging conflict.
15. competition solving device as claimed in claim 14, it is characterized in that, if described a plurality of subscriber cards belong to a different Virtual network operator, according to the time difference of a plurality of network cells of described record, described a plurality of subscriber cards are switched in the different network cell, and the time difference of a described difference network cell guarantees that described a plurality of subscriber card does not produce paging conflict and comprises:
Search is with respect to one or more adjacent networks sub-district of the pairing network cell of described main card;
The height of each adjacent network sub-district according to power level sorted; According to power level, begin from high to low, judge between described each adjacent network sub-district and the pairing network cell of described main card whether have paging conflict one by one;
If find the adjacent network sub-district that does not produce paging conflict, judge again whether the power level of described adjacent network sub-district connects required threshold level greater than network;
If the power level of described adjacent network sub-district then just switches to described adjacent network sub-district with the one or more subscriber cards except that described main card greater than described threshold level; Otherwise, if the power level of described adjacent network sub-district is less than described threshold level, searching near network cell again then.
16. competition solving device as claimed in claim 9 is characterized in that, described multi-card multi-standby mobile communication terminal is three card tri-standby mobile phones.
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