CN104253882B - Dual-mode handset, its call control system and method - Google Patents
Dual-mode handset, its call control system and method Download PDFInfo
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- CN104253882B CN104253882B CN201310258961.8A CN201310258961A CN104253882B CN 104253882 B CN104253882 B CN 104253882B CN 201310258961 A CN201310258961 A CN 201310258961A CN 104253882 B CN104253882 B CN 104253882B
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- connecting pin
- main mould
- mould antenna
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004891 communication Methods 0.000 claims description 42
- 238000009790 rate-determining step (RDS) Methods 0.000 claims description 10
- 238000011084 recovery Methods 0.000 claims 1
- 230000005611 electricity Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- VIKNJXKGJWUCNN-XGXHKTLJSA-N norethisterone Chemical compound O=C1CC[C@@H]2[C@H]3CC[C@](C)([C@](CC4)(O)C#C)[C@@H]4[C@@H]3CCC2=C1 VIKNJXKGJWUCNN-XGXHKTLJSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
Abstract
A kind of dual-mode handset, the mobile phone includes the first modem, second modem, main mould antenna, secondary mould antenna, first switching module, second switching module and control unit, first switching module is separately connected the first modem and main mould antenna, second switching module is separately connected second modem, secondary mould antenna and the first switching module, described control unit is used in two modems all when standby or in which one receives incoming call signal, controlling first switching module is connected to two modems alternately with the main mould antenna according to a preset switching frequency, and two modems are when all receiving incoming call signal, control unit controls the first switching module and is connected to the first modem and main mould antenna, and control the second switching module connection second modem with Secondary mould antenna.The present invention also provides a kind of call control system of dual-mode handset and methods.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of dual-mode handsets, its call control system and method.
Background technique
Dual-mode handset is applied to the communications field more and more, usual dual-mode handset be installed with respectively as main mould antenna and
Two antenna modules of secondary mould antenna, however, due to the limitation of internal structure of mobile phone layout, dual-mode handset gives the space of antenna
Smaller and smaller, for the mobile phone of Dual-mode two-way standard, the performance of secondary mould antenna can not show a candle to the performance of main mould antenna
Good, i.e., mobile phone is in the communication performance under secondary mould not as good as the communication performance under main mould.So under normal circumstances, two are allowed as far as possible
A mode shares main mould antenna all to obtain preferable communication performance, and it is available to guarantee that two modes all remain up, it has also become
Dual-mode handset needs improved another important topic.
Summary of the invention
In view of the foregoing, it is necessary to a kind of dual-mode handset be provided, can be set with preferable communication performance with PERCOM peripheral communication
Standby communication.
In view of the foregoing, there is a need to provide the call control system and method for a kind of dual-mode handset, so that bimodulus hand
Machine can be communicated with preferable communication performance with external communication device.
A kind of dual-mode handset, the mobile phone include the first modem, second modem, main mould antenna, secondary mould day
Line, the first switching module, the second switching module and control unit, first switching module be separately connected the first modem with
Main mould antenna, second switching module are separately connected second modem, secondary mould antenna and the first switching module, the control
Unit is used in two modems all when standby or in which one receives incoming call signal, and control described first is cut
Mold changing group is so that two modems are alternately connected to the main mould antenna according to a preset switching frequency and two tune
When modulator-demodulator all receives incoming call signal, control unit controls the first switching module and is connected to the first modem and master
Mould antenna, and control the second switching module connection second modem and secondary mould antenna.
A kind of call control system using above-mentioned dual-mode handset comprising: control module is cut for controlling described first
Mold changing group switches the first modem and second modem and connects respectively with main mould antenna according to preset switching frequency
It is logical, so that two modems are standby alternately through main mould antenna or a modem is conversed, another modulation
Demodulator carries out standby；Judgment module is exhaled for judging whether that two modems all pass through main mould antenna and receive incoming call
It is signal；Cue module, for being conversed when a modem by main mould antenna, another modem, which also receives, to be come
When electric calling message, prompt the user whether that the incoming call under another modem is answered in selection, and receive the selection of user；When sentencing
Disconnected two modems all pass through that main mould antenna receives incoming call signal and another modem is answered in user's selection
Under incoming call when, the control module is also used to control first switching module and stops the cutting according to default switching frequency
It changes operation, and controls the first switching module and be connected to the first modem with main mould antenna, control the second switching module for the
Two modems are connected to secondary mould antenna, so that the first modem and second modem pass through main mould antenna respectively
And secondary mould antenna is conversed.
A kind of call control method using above-mentioned dual-mode handset comprising: the first rate-determining steps, control described first are cut
Mold changing group switches the first modem and second modem and connects respectively with main mould antenna according to preset switching frequency
It is logical, so that two modems are standby alternately through main mould antenna or a modem is conversed, another modulation
Demodulator carries out standby；Prompt step, when any modem is conversed by main mould antenna, another modem
When receiving incoming call message by main mould antenna, prompt the user whether that the incoming call under another modem is answered in selection,
And receive the selection of user；And second rate-determining steps, when user has selected to answer the incoming call under another modem, control
First switching module stops the handover operation according to default switching frequency, and controls the first switching module for the first modulatedemodulate
Device is adjusted to be connected to main mould antenna, second modem is connected to by the second switching module of control with secondary mould antenna, so that first adjusts
Modulator-demodulator and second modem pass through main mould antenna respectively and secondary mould antenna is conversed.
The system and method for the dual-mode handset call control, so that the dual-mode handset can with the more time pass through receipts
The better main mould antenna of volatility carrys out transmitting/receiving wireless signal of communication.
Detailed description of the invention
Fig. 1 is the architecture diagram of dual-mode handset preferred embodiment of the present invention.
Fig. 2 is the flow chart of dual-mode handset call method preferred embodiment of the present invention.
Main element symbol description
| Dual-mode handset | 1 |
| First modem | 10 |
| Second modem | 20 |
| Main mould antenna | 30 |
| Secondary mould antenna | 40 |
| First switching module | 50 |
| First connecting pin | P1 |
| Second connection end | P2 |
| Third connecting pin | P3 |
| Second switching module | 60 |
| 4th connecting pin | P4 |
| 5th connecting pin | P5 |
| 6th connecting pin | P6 |
| Control unit | 80 |
| Control module | 81 |
| Judgment module | 82 |
| Cue module | 83 |
The present invention that the following detailed description will be further explained with reference to the above drawings.
Specific embodiment
Referring to Fig. 1, in the present embodiment, dual-mode handset 1 is modulated including the first modem (MODEM) 10, second
Demodulator 20, main mould antenna 30, secondary mould antenna 40, the first switching module 50, the second switching module 60 and control unit 80.
In the present embodiment, first switching module 50 and the second switching module 60 are single pole double throw analog switch, and first cuts
Mold changing group 50 includes the first connecting pin P1, second connection end P2 and third connecting pin P3；First connecting pin P1 is selectively electric
Property is connected to second connection end P2 or third connecting pin P3.Second switching module 60 includes the 4th connecting pin P4, the 5th connecting pin
P5 and the 6th connecting pin P6, the 4th connecting pin P4 are selectively electrically connected to the 5th connecting pin P5 or the 6th connecting pin P6.
First modem 10 is electrically connected at the second connection end P2 of the first switching module 50,30 electricity of main mould antenna
Property is connected to the first connecting pin P1 of the first switching module 50.First modem 10 is by can first switching module 50
First connecting pin P1 and second connection end P2 is connected to be electrically connected at main mould antenna 30, so that the first modem 10 uses
Main mould antenna 30 carrys out transmitting/receiving wireless communication data, and the first modem 10 is simultaneously modulated demodulation to the communication data of transmitting-receiving,
To realize the communication of dual-mode handset 1 Yu external communication device.
The second modem 20 is electrically connected at the 4th connecting pin P4 of the second switching module 60, secondary 40 electricity of mould antenna
Property is connected to the 6th connecting pin P6 of the second switching module 60, and the 5th connecting pin P5 of the second switching module 60 is electrically connected at
The third connecting pin P3 of one switching module 50.The second modem 20 can pass through the 4th connecting pin of the second switching module 60
P4 and the 5th connecting pin P5 is connected, the third connecting pin P3 of the first switching module 50 and the first connecting pin P1 is connected to be electrically connected
In main mould antenna 30, so that second modem 20 comes transmitting/receiving wireless communication data, the second modulatedemodulate using main mould antenna 30
It adjusts device 20 and demodulation is modulated to the communication data of transmitting-receiving, to realize the communication of dual-mode handset 1 Yu external communication device；This
Two modems 20 can also be connected electrically to connect by the 4th connecting pin P4 and the 6th connecting pin P6 of the second switching module 60
It is connected to secondary mould antenna 40, so that second modem 20 carrys out transmitting/receiving wireless communication data using secondary mould antenna 40, thus can also
Realize the communication of dual-mode handset 1 and external communication device.
In the present embodiment, the network formats of first modem 10 can be WCDMA(Wideband Code
Division Multiple Access, wideband code division multiple access), using the main mould as 1 communication system of dual-mode handset；Second adjusts
The network formats of modulator-demodulator 20 can be GSM(Global System of Mobile communication, and the whole world is mobile
Communication system), using the secondary mould as 1 communication system of dual-mode handset.
Described control unit 80 is the call control system applied to dual-mode handset.The control of described control unit 80 first is cut
The connection status of mold changing group 50 and the second switching module 60, and make the first modem 10 and second modem 20 compared with
Mostly temporally it is electrically connected to and using main mould antenna 30 come transmitting/receiving wireless communication data.Control unit 80 includes control module
81, judgment module 82 and cue module 83.The so-called module of the present invention is to complete the program segment of a specific function, about each module
Function will specifically describe in the flowchart of fig. 2.
Referring to Fig. 2, the method preferred embodiment that the present invention realizes that dual-mode handset 1 is conversed includes the following steps:
Step S1 is connected for the 4th connecting pin P4 and the 5th connecting pin P5 under 60 default conditions of the second switching module, is controlled
Module 81 controls the first switching module 50 according to preset switching frequency, switches its first connecting pin P1 and is electrically connected in the
Two connecting pin P2 or third connecting pin P3 so that the first modem 10 and second modem 20 respectively with main mould antenna
30 establish communication connection, so that the first modem 10 and second modem 20 can utilize the main mould antenna in turn
30 come transceiving communication data (for example, communication information between base station), so that the first modem 10 and second is adjusted
Modulator-demodulator 20 can be standby by main mould antenna 30 in turn.
It should be noted that the preset switching frequency can be set very high, such as it can be every one thousandth milli
Second does primary switching, due to switching frequency height, so that the first modem 10 and second modem 20 are respective pre-
Surely receiving and dispatching can be by 30 transmitting/receiving wireless signal of communication of main mould antenna, with standby by main mould antenna 30 simultaneously in time interval.This
In embodiment, the network formats of the first modem 10 are WCDMA, and scheduled transmitting-receiving frequency can be received and dispatched for every 128 frame
Signal；The network formats of second modem 20 are GSM, and scheduled transmitting-receiving frequency can be primary for the transmitting-receiving of every 2 frame
Signal.The preset switching frequency is higher than the predetermined transmitting-receiving frequency of first modem 10 and second modem 20
Rate, then the first modem 10 and second modem 20 can be made by main mould antenna 30, and transmitting/receiving wireless communicates without interruption
Signal.
Step S2, judgment module 82 judge whether any modem receives incoming call under the main mould antenna 30 and exhale
It is signal, if so, executing step S3, otherwise returns to step S1, is continued to control the first switching mould by the control module 81
It is standby under the main mould antenna 30 that group 50 according to the preset switching frequency switches two modems.
For example, the first modem 10 is switched to when communicating to connect with the main mould antenna 30, outside is just received
The incoming call signal of communication equipment, thens follow the steps S3 at this time.
Step S3, control module 81 keep the first switching module of handover operation 50 of default switching frequency, make the first modulation
Demodulator 10 and second modem 20 are established with main mould antenna 30 in turn to be communicated to connect, so as to receive the tune of incoming telephone signal
Modulator-demodulator (such as first modem 10) by main mould antenna 30 receive and dispatch speech signal to converse, another modulatedemodulate
Device (such as second modem 20) is adjusted to carry out also by 30 transceiving communication data of main mould antenna standby, to realize one
Modem is conversed by main mould antenna 30, another modem state standby by main mould antenna 30.
It is appreciated that since the preset switching frequency of the first switching module 50 is very high, be higher than the first modem 10 with
The predetermined transmitting-receiving frequency of second modem 20, the first modem 10 and second modem 20 pass through main mould antenna
30 transmitting/receiving wireless signals of communication without interruption, so that two modems can realize respectively call by main mould antenna 30
And standby mode.
Step S4, the judgment module 82 judge whether another modem (such as second modem 20) also connects
Receive incoming call signal.If so, step S6 is executed, it is no to then follow the steps S5.
Step S5, the judgment module 82 further judge and the modem (i.e. first on call
Modem 10) whether complete to converse, if so, returning to step S1, step S4 is otherwise returned to, continues to judge another modulation
Whether demodulator (such as second modem 20) also receives incoming call message.
Step S1-S5 constitutes the first rate-determining steps.
Step S6, prompt step, cue module 83 prompt the user whether that another modem (such as second is answered in selection
Modem 20) incoming call, and receive the selection of user.If user has selected to answer the incoming call of another modem,
Step S7 is executed, if user has selected refusal to answer the incoming call of another modem, the cue module 83 is hung up another
Return step S5 after the incoming call of modem.
It should be noted that in other embodiments, if user is in the given time in such as 5 seconds, 6 seconds or other times
It is i.e. non-selected when answering or refusing to answer the incoming call of another modem that any selection is not made, and the cue module 83 can be with
(for example, notice caller local user be busy now) answering call side and another modulation /demodulation is hung up in a manner of short message
The phone of device.Step S5 is executed after hanging up the phone of another modem.The cue module 83 can be by the note data
Caller is sent to using main mould antenna 30 after modulating by the second modem 20.
Step S7, the control module 81 control the stopping of the first switching module 50 according to the switching of the default switching frequency
Operation, and the first connecting pin P1 for controlling the first switching module 50 is connected to second connection end P2, controls the second switching module 60
The 4th connecting pin P4 be connected to the 6th connecting pin P6.
The first modem 10 is established with main mould antenna 30 according to the switching of the first switching module 50 to communicate to connect, from
And the first modem 10 passes through 30 transmitting/receiving wireless signal of communication of main mould antenna, i.e. the first modem 10 passes through main mould day
Line 30 realizes call；Second modem 20 and secondary mould antenna 40 is set to establish communication link by the switching of the second switching module 60
It connects, so that second modem 20 passes through secondary 40 transmitting/receiving wireless signal of communication of mould antenna, i.e. second modem 20 passes through
Secondary mould antenna 40 realizes call, to realize the state of Dual-mode two-way.
Step S8, the judgment module 82 judge any modem whether dropped calls, if so, thening follow the steps
Otherwise S9 is returned and is executed this step.
Step S7-S8 constitutes the second rate-determining steps.
Step S9, third rate-determining steps, i.e., the described control module 81 control the 4th connecting pin P4 of the second switching module 60
It is connected to the 5th connecting pin P5, and controls the first switching module 50 and restores to switch the first connecting pin P1 to scheduled switching frequency
It is electrically connected in second connection end P2 or third connecting pin P3, so that the first modem 10 and second modem
20 establish communication connection with main mould antenna 30 respectively, to make a modem converse by main mould antenna 30, separately
One modem is carried out standby by main mould antenna 30.Execution step S4 is back to after executing step S9.
From process step of the invention can be seen that the present invention control modem in turn under main mould antenna 30 to
Machine, or a modem conversed by the main mould antenna 30, another modem passes through main mould antenna 30
It carries out standby.When another modem also receives incoming call signal, the present invention is i.e. by second modem
20 switch to establish with secondary mould antenna 40 and communicate to connect, and the first modem 10 switched to established with main mould antenna 30 it is logical
Letter connection, so that the first modem 10 be made to converse by main mould antenna 30, second modem 20 passes through secondary mould
Antenna 40 is conversed.
Therefore, one aspect of the present invention, it is standby that two modems can pass through to main mould antenna 30 in turn, with using logical
The letter better main mould antenna 30 of performance comes transceiving communication data (communication information such as between base station), on the other hand, works as bimodulus
When mobile phone 1 is communicated with external communication device, but can by transmitting-receiving performance preferably the main mould antenna 30 it is outer with this to receive and dispatch
The communication data of portion's communication equipment.
Finally it should be noted that the above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although reference
Preferred embodiment describes the invention in detail, those skilled in the art should understand that, it can be to of the invention
Technical solution is modified or equivalent replacement, without departing from the spirit and scope of the technical solution of the present invention.
Claims (8)
1. a kind of dual-mode handset, which includes the first modem, second modem, main mould antenna and secondary mould day
Line, it is characterised in that: the dual-mode handset further includes the first switching module, the second switching module and control unit, this first is cut
Mold changing group is separately connected the first modem and main mould antenna, second switching module be separately connected second modem,
Secondary mould antenna and the first switching module, described control unit are used in two modems all in a standby or in which reception
When to incoming call signal, controls first switching module and make two modems according to a preset switching frequency
Alternating be connected to the main mould antenna and when two modem all receive incoming call signal, and control unit controls the
One switching module is connected to the first modem and main mould antenna, and control the second switching module connection second modem with
Secondary mould antenna；When a modem call and another modem receive incoming call signal when, the control list
Member is prompted the user whether to answer the incoming call of another modem, when not receiving any user's selection in the given time, is somebody's turn to do
Control unit issues prompt information to caller and hangs up the incoming call of another modem, and first switching module includes
It is connected to the first connecting pin, the second connection end for being connected to the first modem and the third connecting pin of main mould antenna；Second
Switching module includes the 4th connecting pin for being connected to second modem, the third connecting pin for being connected to the first switching module
5th connecting pin and the 6th connecting pin for being connected to secondary mould antenna, the 4th connecting pin of second switching module are connected to
Five connecting pins, the first connecting pin that control unit controls the first switching module are alternately connected to second according to preset switching frequency
Connecting pin and third connecting pin, so that the first modem and second modem pass through main mould antenna transmitting/receiving wireless and lead to
Believe signal.
2. dual-mode handset as described in claim 1, it is characterised in that: described two modems all receive incoming call
When signal, control unit controls the first switching module and stops according to preset switching frequency handover operation, and controls the first switching
First connecting pin of mould group is connected to second connection end, and the 4th connecting pin of the second switching module is connected to the 6th connecting pin, with
Make the first modem by main mould antenna transmitting/receiving wireless signal of communication, second modem passes through secondary mould antenna and receives and dispatches nothing
Line signal.
3. a kind of call control system applied to dual-mode handset described in claim 1, which is characterized in that call control system
System includes:
Control module, for controlling first switching module according to preset switching frequency, switch the first modem and
Second modem is connected to main mould antenna respectively, so that two modems are standby alternately through main mould antenna, or
One modem is conversed, and another modem carries out standby；
Judgment module receives incoming call signal for judging whether that two modems all pass through main mould antenna；
Cue module, for being conversed when a modem by main mould antenna, another modem also receives incoming call
When message related to calls, prompt the user whether that the incoming call under another modem is answered in selection, and receive the selection of user；
When judge two modems all pass through main mould antenna receive incoming call signal and user selection answer another tune
When incoming call under modulator-demodulator, the control module be also used to control first switching module stop it is described according to default switching
The handover operation of frequency, and control the first switching module and be connected to the first modem with main mould antenna, the second switching of control
Second modem is connected to by mould group with secondary mould antenna, so that the first modem and second modem pass through respectively
Main mould antenna and secondary mould antenna are conversed.
4. call control system as claimed in claim 3, it is characterised in that: the judgment module is also used to when two modulatedemodulates
Device is adjusted all to judge whether one of modem end of conversation in talking state, when leading to for one of modem
At the end of words, control module controls the second switching module and is connected to main mould antenna, and controls the first switching module and restore according to pre-
Fixed switching frequency alternately switches two modems and is connected to respectively with main mould antenna.
5. call control system as claimed in claim 4, it is characterised in that: the control module controls the first switching module
First connecting pin is connected to second connection end, and the 4th connecting pin for controlling the second switching module is connected to the 6th connecting pin, with
Realize that the first modem and second modem pass through main mould antenna respectively and secondary mould antenna is conversed；The control mould
The 4th connecting pin that block controls the second switching module is connected to the 5th connecting pin, and controls the first switching module and restore according to predetermined
Switching frequency be alternately respectively connected to second connection end and third connecting pin in the first connecting pin of switching, to realize one of adjust
Modulator-demodulator terminates to converse.
6. a kind of call control method using dual-mode handset described in claim 1, which is characterized in that this method comprises:
First rate-determining steps control first switching module according to preset switching frequency, switch the first modem and
Second modem is connected to main mould antenna respectively, so that two modems are standby alternately through main mould antenna, or
One modem is conversed, and another modem carries out standby；
Prompt step, when any modem is conversed by main mould antenna, another modem is also by main mould day
When line receives incoming call message, prompt the user whether that the incoming call under another modem is answered in selection, and receive user
Selection；And
Second rate-determining steps, when user has selected to answer the incoming call under another modem, the first switching module of control is stopped
The only handover operation according to default switching frequency, and the first switching module is controlled by the first modem and main mould antenna
Connection, second modem is connected to by the second switching module of control with secondary mould antenna, so that the first modem and second
Modem passes through main mould antenna respectively and secondary mould antenna is conversed.
7. call control method as claimed in claim 6, which is characterized in that this method further include:
Third rate-determining steps, when two modems are all in talking state, and the end of conversation of one of modem
When, control module controls the second switching module and is connected to main mould antenna, and controls the recovery of the first switching module and cut according to scheduled
Changing frequency, alternately two modems of switching are connected to main mould antenna respectively.
8. call control method as claimed in claim 7, which is characterized in that this method further include:
Second rate-determining steps include that the first connecting pin of the first switching module of control is connected to second connection end, and controls second
4th connecting pin of switching module is connected to the 6th connecting pin；
Third rate-determining steps include that the 4th connecting pin of the second switching module of control is connected to the 5th connecting pin, and controls first
Switching module restores to be respectively connected to second connection end according to the first connecting pin of scheduled switching frequency alternating switching and third connects
Connect end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310258961.8A CN104253882B (en) | 2013-06-26 | 2013-06-26 | Dual-mode handset, its call control system and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310258961.8A CN104253882B (en) | 2013-06-26 | 2013-06-26 | Dual-mode handset, its call control system and method |
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| CN104253882A CN104253882A (en) | 2014-12-31 |
| CN104253882B true CN104253882B (en) | 2019-02-26 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1841949A (en) * | 2005-03-31 | 2006-10-04 | 联想(北京)有限公司 | Apparatus and communication method with multi wireless communication system |
| CN101262674A (en) * | 2008-04-25 | 2008-09-10 | 中兴通讯股份有限公司 | A circuit and method for improving RF interference of dual-mode terminal |
| CN201178410Y (en) * | 2008-04-16 | 2009-01-07 | 深圳创维－Rgb电子有限公司 | Double card double standby mobile phone |
| CN101394636A (en) * | 2008-10-22 | 2009-03-25 | 中兴通讯股份有限公司 | GSM/CDMA dual-mode mobile phone and method for inhibiting GC interference |
| CN201388302Y (en) * | 2009-01-06 | 2010-01-20 | 宇龙计算机通信科技(深圳)有限公司 | Dual-mode handset terminal |
-
2013
- 2013-06-26 CN CN201310258961.8A patent/CN104253882B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1841949A (en) * | 2005-03-31 | 2006-10-04 | 联想(北京)有限公司 | Apparatus and communication method with multi wireless communication system |
| CN201178410Y (en) * | 2008-04-16 | 2009-01-07 | 深圳创维－Rgb电子有限公司 | Double card double standby mobile phone |
| CN101262674A (en) * | 2008-04-25 | 2008-09-10 | 中兴通讯股份有限公司 | A circuit and method for improving RF interference of dual-mode terminal |
| CN101394636A (en) * | 2008-10-22 | 2009-03-25 | 中兴通讯股份有限公司 | GSM/CDMA dual-mode mobile phone and method for inhibiting GC interference |
| CN201388302Y (en) * | 2009-01-06 | 2010-01-20 | 宇龙计算机通信科技(深圳)有限公司 | Dual-mode handset terminal |
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| Publication number | Publication date |
|---|---|
| CN104253882A (en) | 2014-12-31 |
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