CN102333298A - Communication method and device of multimode double standby terminal - Google Patents

Communication method and device of multimode double standby terminal Download PDF

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Publication number
CN102333298A
CN102333298A CN201110298788A CN201110298788A CN102333298A CN 102333298 A CN102333298 A CN 102333298A CN 201110298788 A CN201110298788 A CN 201110298788A CN 201110298788 A CN201110298788 A CN 201110298788A CN 102333298 A CN102333298 A CN 102333298A
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communication module
identification card
module
communication
information
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CN201110298788A
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CN102333298B (en
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周志刚
陈华星
张伟
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Yulong Computer Telecommunication Scientific Shenzhen Co Ltd
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Abstract

The invention discloses a communication method of a multimode double standby terminal. The multimode double standby terminal comprises an LTE (Long Term Evolution) communication module, a 2G/3G (2nd Generation/3th generation) communication module, an interface module, a processing module and an identity recognition card, wherein information used for the identity authentication of a 2G/3G network and an LTE network is stored in the identity recognition card, the interface module is connected between the 2G/3G communication module and the LTE communication module to provide an interface for transmitting identity recognition card information between the 2G/3G communication module and the LTE communication module, the LTE communication module and the 2G/3G communication module are both connected with the processing module, and the identity recognition card is connected with the 2G/3G communication module. The method comprises the following steps: registration is carried out in the 2G/3G network, and the LTE communication module reads information in the identity recognition card through the interface module and the 2G/3G communication module, and is communicated with the LTE network through the information. The LTE communication module realizes data interaction with the identity recognition card by the interface module and the 2G/3G communication module. In addition, the invention also provides a communication device of the multimode double standby terminal.

Description

The multimode double-standby terminal carries out the method and the device of communication
Technical field
The present invention relates to field of mobile communication, relate in particular to method and device that a kind of multimode double-standby terminal carries out communication.
Background technology
At LTE network (Long Term Evolution; Long Term Evolution) in the first stage of construction; Existing SIM (Subscriber Identity Module; Client identification module) or UIM card (User Identity Model, subscriber identification module) can't be directly and the LTE communication module carry out data interaction.For can communication in the LTE network, need to adopt a kind of mobile phone card that is applicable to the LTE communication module.
Simultaneously, the range of signal of LTE network covers limited, and 2G/3G network coverage level has been tending towards perfect.In order to keep the continuity of speech business, a mobile phone often need be installed two mobile phone cards, the corresponding LTE network of mobile phone card, the corresponding 2G/3G network of mobile phone card.When the user is using the LTE network to carry out in the voice call process, move to the LTE network signal a little less than, but the 2G/3G network signal in order to keep the continuity of speech business, need switch to the 2G/3G network by the LTE network with voice call cover preferably local time.
Owing to does not also have at present and can adhere to the also terminal of transceive data simultaneously, so the voice business continuity between LTE network and the 2G/3G network all is based on the double-mode single-standby mode at LTE network and 2G/3G network.The switching of this network can cause that power consumption is serious, conversation call drop, online cutout, even abnormal failure such as off-grid, and user experience is relatively poor.On the other hand, two mobile phone cards have brought many inconvenience also for user's use.
Summary of the invention
Embodiment of the invention technical problem to be solved is to provide a kind of multimode double-standby terminal to carry out the method for communication.Said multimode double-standby terminal comprises Long Term Evolution communication module, 2G/3G communication module, interface module, processing module and an identification card; Preserve in the said identification card and be used for the information that 2G/3G network and long-term evolving network carry out authentication; Said interface module is connected between said 2G/3G communication module and the Long Term Evolution communication module; Be used to the interface that the said identification card information of transmission is provided between said 2G/3G communication module and the said LTE communication module; Said Long Term Evolution communication module and said 2G/3G communication module all are connected with said processing module; Said identification card is connected with said 2G/3G communication module, and the method that said multimode double-standby terminal carries out communication may further comprise the steps:
Said 2G/3G communication module is obtained the information in the said identification card, and uses the information in the said identification card in the 2G/3G network, to register;
Said Long Term Evolution communication module reads the information in the said identification card through said interface module and said 2G/3G communication module, and uses information and long-term evolving network communication in the said identification card.
Wherein, After said 2G/3G communication module succeeds in registration in the 2G/3G network; Said Long Term Evolution communication module reads the information in the said identification card through said interface module and said 2G/3G communication module, and uses information and long-term evolving network communication in the said identification card.
Read the information in the said identification card in said Long Term Evolution communication module through said processing module and said 2G/3G communication module, and use in the step of information and long-term evolving network communication in the said identification card further comprising the steps of:
Utilizing said 2G/3G communication module is the AT passage of opening transmission AT order between said Long Term Evolution communication module and the said identification card and receiving the AT command response message.
Preserve international mobile subscriber identity in the said identification card; Read the information in the said identification card in said Long Term Evolution communication module through said interface module and said 2G/3G communication module, and use in the step of information and long-term evolving network communication in the said identification card further comprising the steps of:
In said 2G/3G communication module, preserve said international mobile subscriber identity;
Utilize said international mobile subscriber identity and AES that the interaction data between said Long Term Evolution communication module and the said identification card is encrypted;
Decipherment algorithm and said international mobile subscriber identity through corresponding to said AES are deciphered the data that said 2G/3G communication module sends to said identification card;
Decipherment algorithm and said international mobile subscriber identity through corresponding to said AES are deciphered the data that said 2G/3G communication module sends to said Long Term Evolution communication module.
Further comprising the steps of after the step that the said data that said 2G/3G communication module sent to said Long Term Evolution communication module through decipherment algorithm and said international mobile subscriber identity corresponding to said AES are deciphered:
When said Long Term Evolution communication module is nullified from long-term evolving network, wipe the said international mobile subscriber identity of storing in the said 2G/3G communication module, and close said AT passage.
Accordingly, the embodiment of the invention also provides a kind of multimode double-standby terminal to carry out the device of communication.Said multimode double-standby terminal comprises Long Term Evolution communication module, 2G/3G communication module, interface module, processing module and an identification card; Said interface module is connected between said 2G/3G communication module and the Long Term Evolution communication module; Be used to the interface that the said identification card information of transmission is provided between said 2G/3G communication module and the said LTE communication module; Said Long Term Evolution communication module and said 2G/3G communication module all are connected with said processing module; Said identification card is connected with said 2G/3G communication module, wherein
Said identification card is used to be kept at the information that 2G/3G network and long-term evolving network carry out authentication;
Said 2G/3G communication module is used for obtaining the information of said identification card, and uses the information in the said identification card in the 2G/3G network, to register;
Said Long Term Evolution communication module is used for reading the information of said identification card through said interface module and said 2G/3G communication module, and uses information and long-term evolving network communication in the said identification card.
Wherein, Said Long Term Evolution communication module be used for when said 2G/3G communication module after the 2G/3G network succeeds in registration; Read the information in the said identification card through said interface module and said 2G/3G communication module, and use information and long-term evolving network communication in the said identification card.
Said 2G/3G communication module also is used to the AT passage of opening transmission AT order between said Long Term Evolution communication module and the said identification card and receiving the AT command response message.
Preserve international mobile subscriber identity in the said identification card, said 2G/3G communication module also is used to preserve said international mobile subscriber identity;
Said 2G/3G communication module also comprises encrypting module, and said encrypting module is used to utilize said international mobile subscriber identity and AES that the interaction data between said Long Term Evolution communication module and the said identification card is encrypted;
Said identification card also comprises first deciphering module, and said first deciphering module is used for through decipherment algorithm and said international mobile subscriber identity corresponding to said AES the data that said 2G/3G communication module sends to said identification card being deciphered;
Said Long Term Evolution communication module also comprises second deciphering module, and said second deciphering module is used for through decipherment algorithm and said international mobile subscriber identity corresponding to said AES the data that said 2G/3G communication module sends to said Long Term Evolution communication module being deciphered.
Said 2G/3G communication module also be used for when said Long Term Evolution communication module when long-term evolving network is nullified, wipe the said international mobile subscriber identity of storing in the said 2G/3G communication module, and close said AT passage.
Said interface module is ISO7816 interface, single line connection protocol interface and S 2Any one hardware interface in the C interface.
Among the present invention the LTE communication module can through by interface module and the 2G/3G communication module has realized and identification card between data interaction, and can make the common resource of using an identification card of LTE communication module and 2G/3G communication module.The two control methods of treating of this multimode can be supported 2G/3G and LTE network, and it is simultaneously online to need not to switch two numbers of direct use.
In addition, utilize IMSI that data mutual between LTE communication module and the identification card are encrypted, can improve the authentication information safety of transmission.
Description of drawings
In order to be illustrated more clearly in the embodiment of the invention or technical scheme of the prior art; To do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art below; Obviously, the accompanying drawing in describing below only is some embodiments of the present invention, for those of ordinary skills; Under the prerequisite of not paying creative work property, can also obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of first embodiment of the multimode double-standby terminal provided by the invention device that carries out communication;
Fig. 2 is the flow chart of first embodiment of the multimode double-standby terminal provided by the invention method of carrying out communication;
Fig. 3 is the structural representation of second embodiment of the multimode double-standby terminal provided by the invention device that carries out communication;
Fig. 4 is the flow chart of second embodiment of the multimode double-standby terminal provided by the invention method of carrying out communication.
Embodiment
To combine the accompanying drawing in the embodiment of the invention below, the technical scheme in the embodiment of the invention is carried out clear, intactly description, obviously, described embodiment only is the present invention's part embodiment, rather than whole embodiment.Based on the embodiment among the present invention, those of ordinary skills are not making the every other embodiment that is obtained under the creative work prerequisite, all belong to the scope of the present invention's protection.
In embodiments of the present invention; Utilize processing module and 2G/3G communication module to build the interface channel between LTE communication module and the identification card; Thereby make that the LTE communication module can the same number that obtains in the identification card with the 2G/3G communication module, realize two the treating of multimode of LTE network and 2G/3G network.
Please consult Fig. 1 and Fig. 2 in the lump, be the control method that the multimode double-standby terminal of first embodiment provided by the invention carries out communication, this method is used for the device 100 that a multimode double-standby terminal carries out communication.The device 100 that said multimode double-standby terminal carries out communication comprises an identification card 10,2G/3G communication module 20, Long Term Evolution communication module 30 (hereinafter referred LTE communication module) interface module 40 and a processing module 50.Said identification card 10 electrically connects with said 2G/3G communication module 20, and said interface module 40 is connected between said 2G/3G communication module 20 and the Long Term Evolution communication module 30.Said 2G/3G communication module 20 and said Long Term Evolution communication module 30 all electrically connect in said processing module 50.
Preserve in the said identification card 10 and be used for the information that 2G/3G network and long-term evolving network carry out authentication.In the present embodiment, said identification card 10 is UICC cards (Universal Integrated Circuit Card, Universal Integrated Circuit Card) that comprise two numbers.A number correspondence is carried out communication under the 2G/3G network, another number correspondence is carried out communication under the LTE network.Said identification card 10 also comprises IMSI (International Mobile Subscriber Identification Number, international mobile subscriber identity).Said identification card 10 can be SIM or UIM card.
Said 2G/3G communication module 20 can with the 2G/3G network communication.Said 2G/3G communication module 20 is used for obtaining the information of said identification card 10, and uses the information in the said identification card 10 in the 2G/3G network, to register.In the present embodiment, said 2G/3G communication module 20 is radio modems of compatible 2G and 3G.Certainly, in other embodiments, said 2G/3G communication module 20 also can be single 2G communication module or 3G communication module.
Said LTE communication module 30 can with long-term evolving network (hereinafter referred LTE network) communication.Said LTE communication module 30 be used for when said 2G/3G communication module 20 after the 2G/3G network succeeds in registration; Read the information in the said identification card 10 through said processing module 50 and said 2G/3G communication module 20, and use information and long-term evolving network communication in the said identification card 10.In the present embodiment, said LTE communication module 30 is LTE radio modems.
Said interface module 40 is connected between said 2G/3G communication module 20 and the said LTE communication module 30, is used to the interface of setting up said identification card 10 information of transmission between said 2G/3G communication module 20 and the said LTE communication module 30.Said interface module 40 can be ISO7816 interface, SWP (Single Wire Protocol, single line connection protocol) interface or S 2C interface etc. can provide other hardware interfaces of said identification card 10 information of transmission between said 2G/3G communication module 20 and said LTE communication module 30.
Said processor 50 is used to control the startup of said 2G/3G communication module 20 and said LTE communication module 30 and the sequential of closing is controlled.
The two control methods of treating of said multimode may further comprise the steps:
Step 101 is obtained the information in the said identification card 10 through said 2G/3G communication module 20, and uses the information in the said identification card 10 in the 2G/3G network, to register.Utilize 2G/3G method for network access commonly used that said 2G/3G communication module 20 is inserted the 2G/3G network.Particularly, the said 2G/3G communication module 20 of said processing module 50 controls detects said identification card 10 and whether normally reaches search for networks.After said 2G/3G communication module 20 searches the 2G/3G network, start register flow path, said 2G/3G communication module 20 is accomplished authentication through the information in the said identification card 10, and returns the message that succeeds in registration.
Step 103; After said 2G/3G communication module 20 succeeds in registration in the 2G/3G network; Said LTE communication module 30 reads the information in the said identification card 10 through said interface module 40 and said 2G/3G communication module 20, and uses information and LTE network communication in the said identification card 10.In the present embodiment; Said processing module 50 is obtained said 2G/3G communication module 20 message that succeeds in registration, the said LTE communication module 30 of said processing module 50 controls detect said identification card 10 whether normal, notify said identification card 10 to prepare registration and search for networks.After said LTE communication module 30 searches the LTE network, start register flow path, said LTE communication module 30 is accomplished authentication through the information in the said identification card 10, and returns the message that succeeds in registration.Particularly, said 2G/3G communication module 20 is opened the AT passage of transmission AT order and reception AT command response message.Wherein, said AT passage is a virtual serial port.Certainly, in other embodiments, said AT passage also can be physical serial interface or logic serial ports or the like.Said LTE communication module 30 is obtained from said identification card 10 through said AT passage and is used for the information that the LTE network carries out authentication, thereby inserts the LTE network.When said multimode is two when treating that device 100 utilizes the LTE network, continue through said AT passage interaction data between said LTE communication module 30 and the said identification card 10.
See also Fig. 3 and Fig. 4, the two control methods of treating of the multimode of second embodiment provided by the invention, this method are used for the two devices 200 of treating of a multimode.Said multimode is two to be treated that device 200 and said multimode are two and treats that device 100 is basic identical; Its difference is; Said multimode is two treats that the 2G/3G communication module 120 of device 200 comprises an encrypting module 121; Said multimode is two treats that the identification card 110 of device 200 comprises one first deciphering module 111, and said multimode is two treats that the LTE communication module 130 of device 200 comprises one second deciphering module 131.
The two control methods of treating of said multimode may further comprise the steps:
Step 401: obtain the information in the said identification card 110 through said 2G/3G communication module 120, and use the information in the said identification card 110 in the 2G/3G network, to register.Utilize 2G/3G method for network access commonly used that said 2G/3G communication module 20 is inserted the 2G/3G network.Particularly, the said 2G/3G communication module 20 of said processing module 50 controls detects said identification card 10 and whether normally reaches search for networks.After said 2G/3G communication module 20 searches the 2G/3G network, start register flow path, said 2G/3G communication module 20 is accomplished authentication through the information in the said identification card 10, and returns the message that succeeds in registration.
Step 403; After said 2G/3G communication module 120 succeeds in registration in the 2G/3G network; Said LTE communication module 130 is sent register requirement through the state of interface module 140 and the said identification card 110 of said 2G/3G communication module 120 detections to said 2G/3G communication module 120.When said processing module 150 is obtained said 2G/3G communication module 20 and is succeeded in registration message; The said LTE communication module 130 of said processing module 150 controls is sent register requirement through the state of interface module 140 and the said identification card 110 of said 2G/3G communication module 120 detections to said 2G/3G communication module 120.
Step 405, said 2G/3G communication module 120 makes up the AT passages, and the register requirement of said LTE communication module 130 is sent to said identification card 110.
Step 407, said identification card 110 obtains said register requirement, and the data that will respond register requirement return to said 2G/3G communication module 120.The data of said response register requirement comprise information such as whether expired information that whether the current information whether card arranged, card damage and card.
Step 409, said 2G/3G communication module 120 returns to said LTE communication module 130 with the data of said response register requirement through said AT passage.
Step 411, said LTE communication module 130 is obtained the IMSI in the said identification card 110 through said interface module 140 and said 2G/3G communication module 120, and preserves said IMSI.In the present embodiment, this step is further comprising the steps of:
Obtain the data of response register requirement of said identification card 110 when said LTE communication module 130 after, said LTE communication module 130 is sent the request of obtaining IMSI to said 2G/3G communication module 120.The request of the said IMSI of obtaining is transmitted to said identification card 110 through said AT passage with the request of the said IMSI of obtaining.Said identification card 110 returns to said LTE communication module 130 with IMSI through said AT passage.When said 2G/3G communication module 120 was transmitted to said LTE communication module 130 through said AT passage with IMSI, said 2G/3G communication module 120 was preserved IMSI.
Step 413, said LTE communication module 130 utilize IMSI and the LTE network in the said identification card 110 to carry out data interaction, and preserve said IMSI.In the present embodiment, this step is further comprising the steps of: the said IMSI that said LTE communication module 130 will be obtained is uploaded to the LTE webserver and verifies, and preserves said IMSI.
Step 415 utilizes said IMSI and the AES preserved in the said 2G/3G communication module 120 that said LTE communication module 130 in the said 2G/3G communication module 120 and the interaction data between the said identification card 110 are encrypted.Said LTE communication module 130 is sent the authentication request to said 2G/3G communication module 120 after verifying successfully.The encrypting module 121 of said 2G/3G communication module 120 is encrypted said authentication request through said IMSI and AES, and the said authentication request after will encrypting through the AT passage sends to said identification card 110.In the present embodiment, said encrypting module 131 passes through AES (Advanced Encryption Standard, Advanced Encryption Standard) algorithm and does the encryption factor with IMSI said authentication request is encrypted.The said authentication request of said 2G/3G communication module 120 after with said encryption issued said identification card 110 through said AT passage.
Step 417, the decipherment algorithm and the said IMSI of the said AES through the said 2G/3G communication module 120 of correspondence decipher the data that said 2G/3G communication module 120 sends to said identification card 110.Said identification card 110 comprises one first deciphering module 111, and said first deciphering module 111 is used for through the decipherment algorithm of the said AES of the said 2G/3G communication module 120 of correspondence and IMSI the data that said 2G/3G communication module 120 sends to said identification card 110 being deciphered.In this step, the said authentication request after 111 pairs of encryptions of said first deciphering module is deciphered.Said identification card 110 returns the key information that is used for authentication according to the said authentication request after deciphering through identification card 110 inner existing inner ranking operations.The encrypting module 121 of said 2G/3G communication module 120 is transmitted to said LTE communication module 130 with the key information after encrypting through said AT passage after said key information is encrypted.
Step 419, the decipherment algorithm and the said IMSI of the said AES through the said 2G/3G communication module 120 of correspondence decipher the data that said 2G/3G communication module 120 sends to said LTE communication module 130.Said LTE communication module 130 comprises one second deciphering module 131, and said second deciphering module 131 is used for through the decipherment algorithm of the said AES of the said 2G/3G communication module 120 of correspondence and IMSI the data that said 2G/3G communication module 120 sends to said LTE communication module 130 being deciphered.In this step, the key information after 131 pairs of said encryptions of said second deciphering module is deciphered.Said key information after said LTE communication module 130 will be deciphered sends to the LTE webserver and verifies, carries out the LTE network registry.After succeeding in registration, said LTE communication module 130 information that will succeed in registration is encrypted through said 2G/3G communication module 120, and is transmitted to said identification card 110 through said AT passage.
When using the LTE network, continue between said identification card 110 and the said LTE communication module 130 to carry out the mutual of data through said interface module 40, AT passage, encrypting module 121, first deciphering module 111 and second deciphering module 131.
Step 421 is nullified from the LTE network, and wipes the said IMSI of storage in said 2G/3G communication module 120 and the said LTE communication module 130.In the present embodiment, said processing module 150 is sent shutdown command to said LTE communication module 130, and said LTE communication module 130 is sent de-registration request to said 2G/3G communication module 120.Said 2G/3G communication module 120 is not encrypted said de-registration request; Said 2G/3G communication module 120 sends to said identification card 110 through said AT passage with the said de-registration request of unencrypted, and the said IMSI of said 2G/3G communication module 120 storages is wiped.Said identification card 110 upgrades the LTE network state and is cancellation, and returns and nullify success message to said 2G/3G communication module 120.Said 2G/3G communication module 120 is transmitted to said LTE communication module 130 through said AT passage with said cancellation success message, and closes said AT passage.Said LTE communication module 130 sends to the server of LTE network with said cancellation success message, accomplishes and nullifies.Simultaneously, said LTE communication module 130 sends to said processing module 150 with said cancellation success message, and said processing module 150 is sent shutdown commands to said 2G/3G communication module 120 after obtaining said LTE communication module 130 cancellation success messages.Said 2G/3G communication module 120 starts logout flow path according to existing 2G/3G network cancellation mode, and accomplishes said identification card 110 and accomplish off line data interaction with said 2G/3G communication module 120.
Certainly, in other embodiments, the said IMSI erase step of 120 pairs of storages of said 2G/3G communication module also can just carry out after closing said AT passage.The said IMSI erase step of 130 pairs of storages of said LTE communication module also can just carry out after said LTE communication module 130 sends to said cancellation success message the server of LTE network.
Among the present invention the LTE communication module can through by said interface module and the 2G/3G communication module has realized and identification card between data interaction, and can make the common resource of using an identification card of LTE communication module and 2G/3G communication module.The two control methods of treating of this multimode can be supported 2G/3G and LTE network, and it is simultaneously online to need not to switch two numbers of direct use.
In addition, utilize IMSI that data mutual between LTE communication module and the identification card are encrypted, can improve the authentication information safety of transmission.
Above disclosedly be merely a kind of preferred embodiment of the present invention, can not limit the present invention's interest field certainly with this, the equivalent variations of therefore doing according to claim of the present invention still belongs to the scope that the present invention is contained.

Claims (11)

1. method that the multimode double-standby terminal carries out communication; It is characterized in that; Said multimode double-standby terminal comprises Long Term Evolution communication module, 2G/3G communication module, interface module, processing module and an identification card; Preserve in the said identification card and be used for the information that 2G/3G network and long-term evolving network carry out authentication; Said interface module is connected between said 2G/3G communication module and the Long Term Evolution communication module, is used to the interface that the said identification card information of transmission is provided between said 2G/3G communication module and the said LTE communication module, and said Long Term Evolution communication module and said 2G/3G communication module all are connected with said processing module; Said identification card is connected with said 2G/3G communication module, and the method that said multimode double-standby terminal carries out communication may further comprise the steps:
Said 2G/3G communication module is obtained the information in the said identification card, and uses the information in the said identification card in the 2G/3G network, to register;
Said Long Term Evolution communication module reads the information in the said identification card through said interface module and said 2G/3G communication module, and uses information and long-term evolving network communication in the said identification card.
2. multimode double-standby terminal as claimed in claim 1 carries out the method for communication; It is characterized in that; After said 2G/3G communication module succeeds in registration in the 2G/3G network; Said Long Term Evolution communication module reads the information in the said identification card through said interface module and said 2G/3G communication module, and uses information and long-term evolving network communication in the said identification card.
3. according to claim 1 or claim 2 the multimode double-standby terminal method of carrying out communication; It is characterized in that; Read the information in the said identification card in said Long Term Evolution communication module through said processing module and said 2G/3G communication module, and use in the step of information and long-term evolving network communication in the said identification card further comprising the steps of:
Utilizing said 2G/3G communication module is the AT passage of opening transmission AT order between said Long Term Evolution communication module and the said identification card and receiving the AT command response message.
4. multimode double-standby terminal as claimed in claim 3 carries out the method for communication; It is characterized in that; Preserve international mobile subscriber identity in the said identification card; Read the information in the said identification card in said Long Term Evolution communication module through said interface module and said 2G/3G communication module, and use in the step of information and long-term evolving network communication in the said identification card further comprising the steps of:
In said 2G/3G communication module, preserve said international mobile subscriber identity;
Utilize said international mobile subscriber identity and AES that the interaction data between said Long Term Evolution communication module and the said identification card is encrypted;
Decipherment algorithm and said international mobile subscriber identity through corresponding to said AES are deciphered the data that said 2G/3G communication module sends to said identification card;
Decipherment algorithm and said international mobile subscriber identity through corresponding to said AES are deciphered the data that said 2G/3G communication module sends to said Long Term Evolution communication module.
5. multimode double-standby terminal as claimed in claim 4 carries out the method for communication; It is characterized in that, further comprising the steps of after the step that the said data that said 2G/3G communication module sent to said Long Term Evolution communication module through decipherment algorithm and said international mobile subscriber identity corresponding to said AES are deciphered:
When said Long Term Evolution communication module is nullified from long-term evolving network, wipe the said international mobile subscriber identity of storing in the said 2G/3G communication module, and close said AT passage.
6. device that the multimode double-standby terminal carries out communication; It is characterized in that; Said multimode double-standby terminal comprises Long Term Evolution communication module, 2G/3G communication module, interface module, processing module and an identification card, and said interface module is connected between said 2G/3G communication module and the Long Term Evolution communication module, is used to the interface that the said identification card information of transmission is provided between said 2G/3G communication module and the said LTE communication module; Said Long Term Evolution communication module and said 2G/3G communication module all are connected with said processing module; Said identification card is connected with said 2G/3G communication module, wherein
Said identification card is used to be kept at the information that 2G/3G network and long-term evolving network carry out authentication;
Said 2G/3G communication module is used for obtaining the information of said identification card, and uses the information in the said identification card in the 2G/3G network, to register;
Said Long Term Evolution communication module is used for reading the information of said identification card through said interface module and said 2G/3G communication module, and uses information and long-term evolving network communication in the said identification card.
7. multimode double-standby terminal as claimed in claim 6 carries out the device of communication; It is characterized in that; Said Long Term Evolution communication module be used for when said 2G/3G communication module after the 2G/3G network succeeds in registration; Read the information in the said identification card through said interface module and said 2G/3G communication module, and use information and long-term evolving network communication in the said identification card.
8. the device that carries out communication like claim 6 or 7 described multimode double-standby terminals; It is characterized in that said 2G/3G communication module also is used to the AT passage of opening transmission AT order between said Long Term Evolution communication module and the said identification card and receiving the AT command response message.
9. multimode double-standby terminal as claimed in claim 8 carries out the device of communication, it is characterized in that, preserves international mobile subscriber identity in the said identification card, and said 2G/3G communication module also is used to preserve said international mobile subscriber identity;
Said 2G/3G communication module also comprises encrypting module, and said encrypting module is used to utilize said international mobile subscriber identity and AES that the interaction data between said Long Term Evolution communication module and the said identification card is encrypted;
Said identification card also comprises first deciphering module, and said first deciphering module is used for through decipherment algorithm and said international mobile subscriber identity corresponding to said AES the data that said 2G/3G communication module sends to said identification card being deciphered;
Said Long Term Evolution communication module also comprises second deciphering module, and said second deciphering module is used for through decipherment algorithm and said international mobile subscriber identity corresponding to said AES the data that said 2G/3G communication module sends to said Long Term Evolution communication module being deciphered.
10. multimode double-standby terminal as claimed in claim 9 carries out the device of communication; It is characterized in that; Said 2G/3G communication module also be used for when said Long Term Evolution communication module when long-term evolving network is nullified; Wipe the said international mobile subscriber identity of storing in the said 2G/3G communication module, and close said AT passage.
11. multimode double-standby terminal as claimed in claim 6 carries out the device of communication, it is characterized in that, said interface module is ISO7816 interface, single line connection protocol interface and S 2Any one hardware interface in the C interface.
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