CN101827464B - Dual-mode dual-card dual-standby dual-pass wireless terminal and communication method thereof - Google Patents
Dual-mode dual-card dual-standby dual-pass wireless terminal and communication method thereof Download PDFInfo
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- CN101827464B CN101827464B CN200910056922.3A CN200910056922A CN101827464B CN 101827464 B CN101827464 B CN 101827464B CN 200910056922 A CN200910056922 A CN 200910056922A CN 101827464 B CN101827464 B CN 101827464B
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Abstract
The invention relates to the field of wireless communication, and discloses a dual-mode dual-card dual-standby dual-pass wireless terminal and a communication method thereof. In the method, when a USIM card stays in a GSM cell, two cards perform time division multiplexing on a GSM radio frequency physical layer; when the USIM card stays in a WCDMA cell, the two cards use the GSM radio frequency physical layer and a WCDMA radio frequency physical layer respectively, so that dual-card dual-standby dual-pass can be realized with fewer radio frequency devices, including a GSM+GSM mode and a WCDMA+GSM mode, and one of the cards can realize dual-mode seamless switching between GSM and WCDMA. When the SIM card and the USIM card have paging channel conflict, one card performs cell reselection; and if the conflict still exists, the SIM card can be abandoned.
Description
Technical field
The present invention relates to wireless communication field, particularly the communication technology of dual-mode dual-card dual-standby dual-pass.
Background technology
Along with the fast development of radio communication, mobile phone becomes the requisite means of communication of people.People to the demand of communication also from simple voice communication to video, omnibearing business developments such as online, location.In order to comply with the development of user's request, communication system is also in continuous evolution.At present in many countries from global system for mobile communications (Global System for Mobile communication, be called for short " GSM "), code division multiple access (Code Division Multiple Access, be called for short " CDMA ") etc. the second third-generation mobile communication system to Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division MultipleAccess, be called for short " WCDMA "), TD SDMA (Time Division SynchronousCode Division Multiple Access, be called for short " TD-SCDMA ") wait the 3G (Third Generation) Moblie system evolved, also can be evolved into the 4th third-generation mobile communication system future.
In the process of communication system evolution, for the consideration of cost and coverage rate, new and old communication system can coexist considerable time usually.For example, when disposing WCDMA, because the area coverage of initial stage WCDMA system is limited, original gsm system can become a kind of useful replenishing.In order to enjoy the benefit of new and old two kinds of systems simultaneously, dual-mode handset arises at the historic moment.Application number is the bimodulus scheme that 11/094611 United States Patent (USP) discloses a kind of GSM/WCDMA.Typical dual-mode handset scheme is to serve identification module (User Service Identify Module is called for short " USIM ") card with a user to realize GSM pattern or WCDMA pattern, and can freely change between these two patterns.
For can be for the user provides the excellent communications service, and can enjoy cheap price, government can introduce a plurality of cellular carriers at areal usually, optimumly strives unexpectedly to form.In general, a card can only be supported a cellular carrier, so the above-mentioned dual-mode handset of realizing with a usim card can't that is to say and can not realize double-card dual-standby with same mobile phone simultaneously in the network standby of two cellular carriers.
In order to realize double-card dual-standby, the someone has proposed scheme as shown in Figure 1.The essence of this scheme is that the system integration with the system of SIM card and usim card is in a mobile phone.The problem of this scheme is to need two cover radio frequencies (Radio Frequency is called for short " RF ") physical layer device, and cost is higher.
Summary of the invention
The object of the present invention is to provide a kind of dual-mode dual-card dual-standby dual-pass wireless terminal and communication means thereof, can realize dual-card dual-standby dual-pass with less radio-frequency devices, comprise GSM+GSM mode and WCDMA+GSM mode.
For solving the problems of the technologies described above, embodiments of the present invention provide a kind of dual-mode dual-card dual-standby dual-pass wireless terminal, comprising:
Support the user of global system for mobile communications GSM and Wideband Code Division Multiple Access (WCDMA) WCDMA bimodulus to serve the subscriber identification module SIM card of identification module usim card and support GSM;
Support the Access Layer of SIM card and the Access Layer of support usim card;
A GSM radio frequency physical layer and a WCDMA radio frequency physical layer;
When usim card resided in the GSM residential quarter, two Access Layers were shared GSM radio frequency physical layer with time division multiplexing mode;
When usim card resides in the WCDMA residential quarter, support the Access Layer of SIM card to use GSM radio frequency physical layer, support the Access Layer of usim card to use WCDMA radio frequency physical layer.
Embodiments of the present invention also provide a kind of dual-mode dual-card dual-standby dual-pass communication means, are used for using the wireless terminal of usim card and SIM card, and wherein usim card is supported GSM and WCDMA, and SIM card is supported GSM, may further comprise the steps:
If usim card resides in the GSM residential quarter, then support the Access Layer of usim card and support the Access Layer of SIM card to use GSM radio frequency physical layer with time division multiplexing mode;
If usim card resides in the WCDMA residential quarter, then support the Access Layer of SIM card to use GSM radio frequency physical layer, support the Access Layer of usim card to use WCDMA radio frequency physical layer.
Embodiment of the present invention compared with prior art, the main distinction and effect thereof are:
When usim card resides in the GSM residential quarter, two card time division multiplexing GSM radio frequency physical layers, when usim card resides in the WCDMA residential quarter, two cards use GSM and WCDMA radio frequency physical layer respectively, so just realized dual-card dual-standby dual-pass with less radio-frequency devices, comprise GSM+GSM mode and WCDMA+GSM mode, one of them card also can be between GSM and WCDMA the bimodulus seamless switching.
Further, when SIM card and the conflict of usim card generation paging channel, wherein one stick into the residential quarter gravity treatment of capable one or many, problem smoothly generally can manage conflict, if still conflict then can be abandoned SIM card, thereby guarantee that the user can the broader and more robust WCDMA business of function of use.
Further, the residential quarter of preferentially carrying out usim card is resident, and two card paging channel conflicts the time are directly carried out the residential quarter gravity treatment to SIM card and even abandoned, and it is comparatively convenient to implement.
Description of drawings
Fig. 1 is the mobile phone building-block of logic of realizing double-card dual-standby in the prior art;
Fig. 2 is dual-mode dual-card dual-standby dual-pass wireless terminal building-block of logic in the first embodiment of the invention;
Fig. 3 is that the dual-mode dual-card dual-standby dual-pass protocol stack sofeware is realized Organization Chart in the first embodiment of the invention;
Fig. 4 is the hardware structure diagram of supporting first embodiment of the invention;
Fig. 5 is dual-mode dual-card dual-standby dual-pass communication means flow chart in the second embodiment of the invention;
Fig. 6 is the solution flow chart of SIM card and usim card paging channel conflict in the second embodiment of the invention.
Embodiment
In the following description, in order to make the reader understand the application better many ins and outs have been proposed.But, persons of ordinary skill in the art may appreciate that even without these ins and outs with based on many variations and the modification of following each execution mode, also can realize each claim of the application technical scheme required for protection.
For making the purpose, technical solutions and advantages of the present invention clearer, below in conjunction with accompanying drawing embodiments of the present invention are described in further detail.
First embodiment of the invention relates to a kind of dual-mode dual-card dual-standby dual-pass wireless terminal, and its logical construction as shown in Figure 2.This dual-mode dual-card dual-standby dual-pass wireless terminal comprises:
Support the usim card of GSM and WCDMA bimodulus;
Support the SIM card of GSM;
Support the Access Layer (GSM AS1) of SIM card, wherein AS is the abbreviation of Access Layer (Access Stratum);
Support the Access Layer (comprising GSM AS2 and WCDMA AS) of usim card;
GSM radio frequency (RF) physical layer and a WCDMA radio frequency physical layer are used for the Access Layer of supporting SIM card and Access Layer and support usim card.
Support the Non-Access Stratum (NAS1) of SIM card, wherein NAS is the abbreviation of Non-Access Stratum (Non AccessStratum), and NAS1 and GSM AS1 are used;
Support the Non-Access Stratum (NAS2) of usim card, NAS2 and GSM AS2, WCDMA AS are used.
The following describes the course of work of above-mentioned logic module, this can realize by software:
When usim card resided in the GSM residential quarter, two Access Layers were shared GSM radio frequency physical layer with time division multiplexing mode.That is to say that SIM card and usim card reside in two different GSM residential quarters simultaneously, and monitor the paging channel of two cards, thereby reach the effect of two standbies.Because PCH paging listening periods is 0.5s-2s, there is time enough to dispatch.
If SIM card and the conflict of usim card generation paging channel, then SIM card or usim card carry out the residential quarter gravity treatment, till not having conflict.If SIM card and usim card can't solve the collision problem of paging channel by the residential quarter gravity treatment, then abandon SIM card, thereby guarantee that the user can the broader and more robust WCDMA business of function of use.Be appreciated that in the time of can't solving the paging channel collision problem, abandon SIM card and not exclusive option, under some specific scenes, also can abandon usim card, when for example the WCDMA system load is very high etc.
Usim card and SIM card need to carry out the residential quarter when resident simultaneously, and the residential quarter of preferentially carrying out usim card is resident, and monitors its paging channel, and usim card is finished the residential quarter, and to carry out the residential quarter of SIM card after resident more resident, and monitor its paging channel.As the paging channel conflict of SIM card and usim card, then carry out the residential quarter and reselect to and do not have till the conflict, as the more weak single mode SIM card of abort function then.Be appreciated that under some specific scenes, for example the network price of SIM card is low, and the user is comparatively responsive to price, it is resident also can to carry out resident residential quarter of carrying out usim card again, the residential quarter of SIM card earlier, abandons usim card in case of necessity.
When usim card resides in the WCDMA residential quarter, support the Access Layer of SIM card to use GSM radio frequency physical layer, support the Access Layer of usim card to use WCDMA radio frequency physical layer.
By such scheme, under the situation that increases hardware cost slightly, succeeded in doing the standby simultaneously of two SIM cards/usim card, communication simultaneously, and do not have the wherein automatic dual mode capability of the WCDMA/GSM of a usim card of at all influence.Specifically: can treat on the hardware platform that only increase a sim card slot, and revise software, just can realize: mobile phone is supported 1 usim card and 1 SIM card the two of GSM/WCDMA; Two standby bilaterals of 2 identical or different operators be can realize, dual mode GSM+GSM and WCDMA+GSM comprised; Can realize the bimodulus seamless switching of one of them operator, namely GSM＜-＞seamless switching of WCDMA.
In an example, concrete dual-mode dual-card dual-standby single-pass protocol stack sofeware is realized Organization Chart as shown in Figure 3.
Among the figure, G-LAYER1 is the radio frequency physical layer of GSM, and U-LAYER1 is the radio frequency physical layer of WCDMA.
Be radio-resource-configuration (Radio Resource Allocation is called for short " RRA ") on the G-LAYER1.
GAS1 is exactly GSM AS1, comprising Radio Resource control (Radio ResourceControl is called for short " RRC ") and gsm wireless resource (GSM Radio Resource is called for short " GRR ")
GAS2 is exactly GSM AS2, comprising media interviews control (Medium AccessControl is called for short " MAC "), Radio Link control (Radio Link Control is called for short " RLC "), logic link control (Logical Link Control, be called for short " LLC "), RRC and GRR.
UAS is exactly WCDMA AS, comprising user wireless resource control (UE RadioResource Control is called for short " URRC ").
NAS1 further comprises: mobile management layer (MM Layer), compact model layer (CM Layer), mobile node layer (MN Layer) and SIM card.
NAS2 advances one and comprises: mobile management layer (MM Layer), compact model layer (CM Layer), mobile node layer (MN Layer), usim card, paging channel (Paging Channel, be called for short " PCH "), Sub-Network Dependent Convergence Protocol (SubNetwork Dependent ConvergenceProtocol, be called for short " SNDCP ") and RAB management (Radio Access BearerManagement is called for short " RABM ").
Also respectively there is Adaptive Transform Coding (Adaptive TransformCoding is called for short " ATC ") on NAS1 and NAS2 upper strata.
Support the hardware configuration of present embodiment as shown in Figure 4.Owing to will realize the dual-mode dual-card dual-standby of a WCDMA/GSM dual-mode network and another GSM network, need time division multiplexing to receive the signal of WCDMA and GSM or GSM and GSM network, must when receiving WCDMA signal and GSM signal, carry out time division multiplexing like this.Come the switching of time-division control RF by main switch.
Second embodiment of the invention relates to a kind of dual-mode dual-card dual-standby dual-pass communication means, the described wireless terminal of this method first execution mode, and its flow process is as shown in Figure 5.
Which network does system judge current USI M card resides in step 501? if reside in the GSM residential quarter, then enter step 502, if reside in the WCDMA residential quarter, then enter step 503.
In step 502, because usim card resides in the GSM residential quarter, thus support the Access Layer of usim card and support the Access Layer of SIM card to use GSM radio frequency physical layer with time division multiplexing mode, thus realize two bilaterals for the treatment of of GSM+GSM.
In step 503, because usim card resides in the WCDMA residential quarter, so support the Access Layer of SIM card to use GSM radio frequency physical layer, support the Access Layer of usim card to use WCDMA radio frequency physical layer, thereby realize two bilaterals for the treatment of of GSM+WCDMA.
When usim card resides in the GSM residential quarter, the paging channel conflict of SIM card and usim card might take place, this moment, SIM card or usim card can carry out the residential quarter gravity treatment, till not having conflict.If SIM card and usim card can't solve the collision problem of paging channel by the residential quarter gravity treatment, then abandon SIM card.
When usim card of act resided in the GSM residential quarter below, usim card and SIM card needed to carry out the resident example in residential quarter simultaneously, and the flow process of this example as shown in Figure 6.
In step 601, it is resident that usim card preferentially carries out the residential quarter, and monitor its paging channel.
After this enter step 602, usim card finish the residential quarter resident after, it is resident that SIM card is carried out the residential quarter, and monitor its paging channel.
After this enter step 603, system judges whether SIM card and usim card the paging channel conflict takes place, if conflict is arranged then enter step 604, if do not conflict then process ends.
In step 604, judging whether in addition can be for the residential quarter of SIM card gravity treatment, if having then enter step 605, otherwise enters step 606.
In step 605, SIM card is carried out the residential quarter gravity treatment, and gets back to step 602.
In step 606, can all not have successfully for the residential quarter of SIM card gravity treatment because attempted all, so abandon the paging of SIM card is monitored.
Present embodiment is the method execution mode corresponding with first execution mode, present embodiment can with the enforcement of working in coordination of first execution mode.The correlation technique details of mentioning in first execution mode is still effective in the present embodiment, in order to reduce repetition, repeats no more here.Correspondingly, the correlation technique details of mentioning in the present embodiment also can be applicable in first execution mode.
Method execution mode of the present invention can be realized in software, hardware, firmware etc. mode.No matter the present invention be with software, hardware, or the firmware mode realize, instruction code can be stored in the memory of computer-accessible of any kind (for example permanent or revisable, volatibility or non-volatile, solid-state or non-solid-state, medium fixing or that change etc.).Equally, memory can for example be programmable logic array (Programmable Array Logic, be called for short " PAL "), random access memory (Random Access Memory, be called for short " RAM "), programmable read only memory (Programmable Read Only Memory, be called for short " PROM "), read-only memory (Read-Only Memory, be called for short " ROM "), Electrically Erasable Read Only Memory (Electrically Erasable Programmable ROM, be called for short " EEPROM "), disk, CD, digital versatile disc (Digital Versatile Disc is called for short " DVD ") etc.
For the convenience that illustrates, each above execution mode is that example describes with WCDMA, those having ordinary skill in the art will appreciate that, WCDMA and TD-SCDMA, CDMA2000 are all the 3G system, technical scheme of the present invention also can be applied to TD-SCDMA or CDMA2000, and implementation is similar.WCDMA has different with TD-SCDMA, CDMA2000 in detail, the for example title of the title of state, equipment and details function etc., but for the technical staff, it is not difficult finding details corresponding details in TD-SCDMA or CDMA2000 of the related WCDMA of technical scheme of the present invention.
Though pass through with reference to some of the preferred embodiment of the invention, the present invention is illustrated and describes, but those of ordinary skill in the art should be understood that and can do various changes to it in the form and details, and without departing from the spirit and scope of the present invention.
Claims (8)
1. a dual-mode dual-card dual-standby dual-pass wireless terminal is characterized in that, comprising:
Support the user of global system for mobile communications GSM and Wideband Code Division Multiple Access (WCDMA) 3-G (Generation Three mobile communication system) 3G bimodulus to serve the subscriber identification module SIM card of identification module usim card and support GSM;
Support a GSM Access Layer of SIM card and the 2nd GSM Access Layer and the WCDMA Access Layer of support usim card;
A GSM radio frequency physical layer and a 3G radio frequency physical layer;
When usim card resided in the GSM residential quarter, a GSM Access Layer and the 2nd GSM Access Layer were shared described GSM radio frequency physical layer with time division multiplexing mode;
When usim card resided in the 3G residential quarter, a GSM Access Layer of described support SIM card used GSM radio frequency physical layer, and the WCDMA Access Layer of described support usim card uses 3G radio frequency physical layer.
2. dual-mode dual-card dual-standby dual-pass wireless terminal according to claim 1 is characterized in that, when usim card resided in the GSM residential quarter, if SIM card and the conflict of usim card generation paging channel, then SIM card or usim card carried out the residential quarter gravity treatment, till not having conflict.
3. dual-mode dual-card dual-standby dual-pass wireless terminal according to claim 2 is characterized in that, if SIM card and usim card can't solve the collision problem of paging channel by the residential quarter gravity treatment, then abandons SIM card.
4. dual-mode dual-card dual-standby dual-pass wireless terminal according to claim 3, it is characterized in that, usim card and SIM card need to carry out the residential quarter when resident simultaneously, and the residential quarter of preferentially carrying out usim card is resident, and usim card is finished the residential quarter, and to carry out the residential quarter of SIM card after resident more resident.
5. dual-mode dual-card dual-standby dual-pass communication means, be used for using the wireless terminal of usim card and SIM card, wherein usim card is supported GSM and 3G, SIM card is supported GSM, it is characterized in that, described terminal comprises a GSM Access Layer of supporting SIM card and the 2nd GSM Access Layer and the WCDMA Access Layer of supporting usim card, said method comprising the steps of:
If usim card resides in the GSM residential quarter, then support the 2nd GSM Access Layer of usim card and support a GSM Access Layer of SIM card to use GSM radio frequency physical layer with time division multiplexing mode;
If usim card resides in the 3G residential quarter, then a GSM Access Layer of described support SIM card uses GSM radio frequency physical layer, and the WCDMA Access Layer of described support usim card uses 3G radio frequency physical layer.
6. dual-mode dual-card dual-standby dual-pass communication means according to claim 5 is characterized in that, when usim card resided in the GSM residential quarter, if SIM card and the conflict of usim card generation paging channel, then SIM card or usim card carried out the residential quarter gravity treatment, till not having conflict.
7. dual-mode dual-card dual-standby dual-pass communication means according to claim 6 is characterized in that, if SIM card and usim card can't solve the collision problem of paging channel by the residential quarter gravity treatment, then abandons SIM card.
8. dual-mode dual-card dual-standby dual-pass communication means according to claim 7, it is characterized in that, if it is resident that usim card and SIM card need to carry out the residential quarter simultaneously, the residential quarter of then preferentially carrying out usim card is resident, and usim card is finished the residential quarter, and to carry out the residential quarter of SIM card after resident more resident.
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2466970A1 (en) * | 2010-12-15 | 2012-06-20 | ST-Ericsson SA | Cell reselection for multiple sim devices |
| CN102833699B (en) * | 2012-08-22 | 2016-05-11 | 惠州Tcl移动通信有限公司 | Method, system and the mobile communication terminal of simulation bilateral function |
| CN103731889B (en) * | 2012-10-16 | 2016-12-21 | 中兴通讯股份有限公司 | Realize the method and device of mobile terminal dual-card dual-standby dual-pass |
| US9906254B2 (en) | 2013-02-11 | 2018-02-27 | Apple Inc. | Facilitating multiple subscriber identity support in a wireless device |
| US9107117B2 (en) | 2013-11-18 | 2015-08-11 | Qualcomm Incorporated | Collision elimination through forced reselection of cells in multi-SIM mobile devices |
| WO2016008155A1 (en) * | 2014-07-18 | 2016-01-21 | 华为技术有限公司 | Communication method and device |
| KR102476783B1 (en) * | 2016-06-14 | 2022-12-13 | 삼성전자주식회사 | Method and apparatus for operation of multi-sim device |
| US11595808B2 (en) | 2018-05-24 | 2023-02-28 | Huawei Technologies Co., Ltd. | Signal receiving method and terminal device |
| CN112218368B (en) * | 2019-07-12 | 2022-02-11 | 华为技术有限公司 | Communication method and device |
| CN112752279B (en) * | 2019-10-31 | 2022-10-04 | 中国电信股份有限公司 | Method, terminal device, apparatus and medium for supporting dual-card dual-standby communication |
| US20230189379A1 (en) * | 2020-05-11 | 2023-06-15 | Beijing Xiaomi Mobile Software Co., Ltd. | Methods for base station switching, and communication device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101217745A (en) * | 2008-01-11 | 2008-07-09 | 展讯通信（上海）有限公司 | A single chip dual-card dual-standby mobile telephone |
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| CN101217745A (en) * | 2008-01-11 | 2008-07-09 | 展讯通信（上海）有限公司 | A single chip dual-card dual-standby mobile telephone |
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