CN104469992B - Multi-module mobile terminal - Google Patents
Multi-module mobile terminal Download PDFInfo
- Publication number
- CN104469992B CN104469992B CN201410725348.7A CN201410725348A CN104469992B CN 104469992 B CN104469992 B CN 104469992B CN 201410725348 A CN201410725348 A CN 201410725348A CN 104469992 B CN104469992 B CN 104469992B
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- circuit
- mobile terminal
- power amplifier
- transmit
- frequency range
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/3827—Portable transceivers
- H04B1/3833—Hand-held transceivers
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Transceivers (AREA)
Abstract
The present invention is suitable for field of communication technology, provides a kind of multi-module mobile terminal, and the mobile terminal includes integrally disposed base band and application processor, main RF transmit-receive circuit, secondary RF transmit-receive circuit and RF front-end circuit, wherein：The base band and application processor, the setting command for receiving and executing different frequency range information；The main RF transmit-receive circuit and secondary RF transmit-receive circuit, the control for receiving the base band and application processor are combined into reception/transmission channel of corresponding frequency band, and be connected with the interface of the corresponding frequency band of the RF front-end circuit according to the band information.Whereby, the present invention realizes the multiplexing of circuit, and circuit kit is suitable for the frequency range of a variety of different modes, and the development time of cost and mobile terminal is greatly saved.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of multi-module mobile terminals.
Background technology
After largely fourth generation mobile communication technology being popularized with global mobile terminal of mobile telephone, the movement of mobile terminal of mobile telephone
Communication technology scheme is substantially uniform technically to be come to LTE.But at present due to the business reason of global mobile operator,
There is difference in the subdivision of LTE technologies, such as uses frequency range difference, the difference of TDD (time division duplex) and FDD (frequency division duplex)
Deng, which results in mobile terminal product design and manufacture on difference.Existing technology is substantially merotype frequency dividing
Section designs more money mobile terminals, to adapt to different Mobile Communications Markets.Also there are using base band and radio frequency completely self-contained two sets
Circuit arrangement meets the needs of multi mode multi band.
For example one of prior art is exactly the combination by base band and radio circuit, this technical solution will produce more
Product form needs to put into more manpowers, material resources and financial resources go to manufacture and safeguard this for the manufacturer of mobile terminal
A little different product form are all unfavorable to the research and development of mobile terminal, buying, producing and selling and after-sale service, this is also inevitable
Improve the product cost and time cost of manufacturer.
Another prior art has improvement relative to said program, and a variety of mobile terminal product form are fused
Together, the quantity for reducing mobile terminal purchases research and development, production, has in sale and the control of after-sales time cost
Very big improvement.But due to being the addition of simple two sets of circuits, for no The Gift of Being the Best You Can Be in the control of material cost, there are
Improved space.
In summary, the existing technology has inconveniences and defects in actual use, so it is necessary to be improved.
Invention content
For above-mentioned defect, the purpose of the present invention is to provide a kind of multi-module mobile terminals, it is possible to reduce terminal cost,
Save the development time of terminal.
To achieve the goals above, the present invention provides a kind of multi-module mobile terminal, and the mobile terminal includes integrally disposed
Base band and application processor, main RF transmit-receive circuit, secondary RF transmit-receive circuit and RF front-end circuit, wherein：
The base band and application processor, the setting command for receiving and executing different frequency range information；
The main RF transmit-receive circuit and secondary RF transmit-receive circuit, the control for receiving the base band and application processor
System, according to the band information, is combined into reception/transmission channel of corresponding frequency band, and corresponding with the RF front-end circuit
The interface of frequency range is connected.
Multi-module mobile terminal according to the present invention, the main RF transmit-receive circuit can as an at least frequency range reception/
Transmission channel.
Multi-module mobile terminal according to the present invention, the pair RF transmit-receive circuit includes several transmitting-receiving sub-circuits, the master
RF transmit-receive circuit can form reception/transmission channel of different frequency range with any transmitting-receiving sub-circuit.
Multi-module mobile terminal according to the present invention, the RF front-end circuit include main power amplifier, secondary power amplifier, open
Powered-down road and filter circuit.
Multi-module mobile terminal according to the present invention, the main power amplifier and secondary power amplifier for receive the base band and
The control of application processor is combined into the power amplifier channel of corresponding frequency band according to the band information.
Multi-module mobile terminal according to the present invention, the main power amplifier can be as the power amplifier channels of an at least frequency range.
Multi-module mobile terminal according to the present invention, the pair power amplifier includes several power amplifier sub-circuits, the main power amplifier
Circuit can form the power amplifier channel of different frequency range with any power amplifier sub-circuit.
Multi-module mobile terminal according to the present invention, the switching circuit are used to control to connect according to the band information and correspond to
Filter circuit and antenna channels.
Multi-module mobile terminal according to the present invention, the switching circuit are connected with spare duplexer, for converting described open
The number of passages on powered-down road.
Multi-module mobile terminal according to the present invention, the antenna includes the primary antenna and diversity antenna being wholely set, described
Filter circuit is used to adjust the bandwidth of the antenna under different frequency range, and the antenna is additionally provided with the frequency dividing for isolation processing
Device.
Multi-module mobile terminal circuit system by being divided into common portion and multiplexing part by the present invention.Pass through base band and application
Processor carries out bus marco, according to different pattern band informations, main circuit and secondary circuit is combined or is split, with group
At corresponding channel.Whereby, the combination of plurality of communication schemes can be realized by circuit kit by the present invention, greatly reduce movement
The development time of terminal, development cost is saved, saved manpower, reduced material procurement and producing cost, has been also beneficial to sell
Product maintenance afterwards.
Description of the drawings
Fig. 1 is the multi-module mobile terminal structural schematic diagram of one embodiment of the invention；
Fig. 2A is the multi-module mobile terminal structural schematic diagram of another embodiment of the present invention；
Fig. 2 B are the secondary power amplifier structural schematic diagrams of Fig. 2A illustrated embodiments.
Specific implementation mode
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, right
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
Multi-module mobile terminal of the present invention includes but not limited to double-module double-SIM card mobile terminal, multi-mold multi-card movement end
End, and the mobile terminal can be singly to wait for, double standby or wait for more.Meanwhile the pattern supported of the multi-module mobile terminal include but
It is not limited to current 2G, 3G and various evolvement networks, such as GSM, TD-SCDMA, WCDMA, CDMA2000, TD-LTE, FDD
LTE etc., multi-module mobile terminal can select any of the above-described pattern as operating mode.
Multi-module mobile terminal shown in Figure 1, the multi-module mobile terminal 100 include at least integrally disposed base band and answer
With processor 10, main RF transmit-receive circuit 20, secondary RF transmit-receive circuit 30 and RF front-end circuit 40, wherein：
Base band and application processor 10 are used to receive and execute the setting command of different frequency range information.
In the embodiment, base band and application processor 10 are the integrated devices of baseband processor and application processor, are
The master control unit of the present invention.The different band information is the different operating mode of mobile terminal 100, for example, institute above
State the different frequency range of each correspondence of the various patterns such as GSM, WCDMA.Base band and application processor 10 can receive instruction, will be mobile whole
The frequency range at end 100 is arranged under any supported operating mode.
The base band and application processor 10 of the present invention ensure the integrality of the various mode interfaces of full frequency band, reserve minimum two
The I/Q signal channel for covering the above radio-frequency receiving-transmitting transmission ensures that the extended interface of transmission circuit is enough whereby.For radio-frequency front-end electricity
Road 40, base band and application processor 10 carry out bus marco, for example are controlled so that it is convenient to device similar to the two-wire bus of I2C
Expanded and deleted, realizes multiplexing.Bus marco can be designed to two lines or more, for handling address unified distribution and total
Line communications protocol problem.
Main RF transmit-receive circuit 20 and secondary RF transmit-receive circuit 30, the control for receiving the base band and application processor 10
System is combined into reception/transmission channel of corresponding frequency band according to the band information, and with pair of the RF front-end circuit 40
The interface of frequency range is answered to be connected.
It should be noted that the main RF transmit-receive circuit 20 of the present invention is common RF transmit-receive circuit, can individually make
It is reception/transmission channel of an at least frequency range.For example, the present invention can be using general GSM RF transmit-receive circuits as main radio frequency
Transmission circuit 20, when base band and the setting of application processor 10 are to GSM mode, the corresponding frequency range only enables main radio-frequency receiving-transmitting electricity
Road 20 can meet the operating mode, without enabling secondary RF transmit-receive circuit 30.
Preferably, secondary RF transmit-receive circuit 30 may include several transmitting-receiving sub-circuits 31, the main RF transmit-receive circuit 20
Reception/transmission channel of different frequency range can be formed with any transmitting-receiving sub-circuit 31.Main RF transmit-receive circuit 20 from it is different
Transmitting-receiving sub-circuit 31 forms new circuit structure, is adapted to reception/transmitting of different frequency range signal whereby.For example, main radio frequency
The circuit structure that transmission circuit 20 is formed with wherein one transmitting-receiving sub-circuit 31 is adapted to the transmitting-receiving of CDMA frequency band signals, with another receipts
The circuit structure that hair sub-circuit 31 forms is adapted to the transmitting-receiving of TDD frequency band signals.Certainly, the way for receiving and dispatching sub-circuit 31, can
Increased and decreased with doing according to different needs, if multiple-working mode need not be supported, transmitting-receiving sub-circuit can be carried out deleting place
Reason, if desired supports more operating modes, then can increase corresponding transmitting-receiving sub-circuit 31.Make multi-module mobile terminal 100 whereby
The convenient switching for realizing multimode, and can be significantly without independent circuit is covered by the multiplexing to main RF transmit-receive circuit 20 more
Save cost.
In another embodiment of the present invention, referring to Fig. 2A, RF front-end circuit 40 includes main power amplifier 41, secondary power amplifier electricity
Road 42, switching circuit 43 and filter circuit 44.
Specifically, main power amplifier 41 can be as the power amplifier channel of an at least frequency range.For example, the present invention can will be general
GSM power amplifiers as main power amplifier 41, when base band and the setting of application processor 10 are to GSM mode, the corresponding frequency range,
The operating mode can be met by only enabling main power amplifier 20.
Preferably, main power amplifier 41 and secondary power amplifier 42 can be combined into new power amplifier channel, they can connect
The control for receiving the base band and application processor 10 is combined into the power amplifier channel of corresponding frequency band according to the band information.
Preferably, in conjunction with Fig. 2 B, in the embodiment of the present invention, secondary power amplifier 42 includes several power amplifier sub-circuits 421, main
Power amplifier 41 can form the power amplifier channel of different frequency range with any power amplifier sub-circuit 421.It is adapted to different frequency range letter whereby
Number power amplification demand.For example, the circuit structure that main power amplifier 41 is formed with a wherein power amplifier sub-circuit 421 is adapted to
The power amplification of TDD frequency band signals is adapted to WCDMA frequency band signals with the circuit structure of another power amplifier sub-circuit 421 composition
Power amplification.Certainly, the way of power amplifier sub-circuit 421 can be done and increase and decrease according to different needs, if need not support a variety of
Operating mode then can carry out deleting processing, if desired support more operating modes, then can increase corresponding to transmitting-receiving sub-circuit
Power amplifier sub-circuit 421.Multi-module mobile terminal 100 is set easily to realize the switching of multimode whereby, and by main power amplifier
41 multiplexing can greatly save cost more without independent power amplifier is covered.
In conjunction with Fig. 2A, switching circuit 43 be used for according to band information control connect corresponding filter circuit 44 and
Antenna channels.In fact, switching circuit 43 is functionally equivalent to single pole multiple throw, when base band and application processor 10 are arranged
After good frequency range, the switching circuit 43 is also controlled to be switched to current operation mode.It is connected especially by filter circuit 44 and corresponds to
Antenna channels.
Preferential, the switching circuit 43 is connected with spare duplexer 431, for converting the logical of the switching circuit 43
Way amount.As long as such as the duplexer on 10 tunnel of common radio-frequency antenna, and optional circuit frequency range needs the access on 14 tunnels, at this moment
4 tunnels can be become 2 tunnels by duplexer 431, realize that the optimum utilization of duplexer, multiplex circuit carry out deleting processing whereby
When, it is more more cost-effective than 14 tunnels with 12 way switch.
Inventive antenna includes the primary antenna and diversity antenna being wholely set, and the filter circuit 44 is for adjusting difference
The bandwidth of antenna under frequency range, and the antenna is additionally provided with the frequency divider (not shown) for isolation processing.It can using frequency divider
Realize antenna duplexer.Such as GSM antenna and GPS antenna are made on the same antenna, antenna is isolated using frequency divider
Operation is realized antenna multiplexed to make GSM antenna and GPS antenna be independent of each other.
In conclusion multi-module mobile terminal circuit system by being divided into common portion and multiplexing part by the present invention.Pass through
Base band and application processor carry out bus marco, according to different pattern band informations, are combined to main circuit and secondary circuit
Or split, to form corresponding channel.Whereby, the combination of plurality of communication schemes can be realized by circuit kit by the present invention, greatly
The big development time for reducing mobile terminal, development cost is saved, manpower is saved, has reduced material procurement and production expense
With, be also beneficial to after-market product maintenance.
Certainly, the present invention can also have other various embodiments, without deviating from the spirit and substance of the present invention, ripe
It knows those skilled in the art and makes various corresponding change and deformations, but these corresponding changes and change in accordance with the present invention
Shape should all belong to the protection domain of appended claims of the invention.
Claims (8)
1. a kind of multi-module mobile terminal, which is characterized in that the mobile terminal include integrally disposed base band and application processor,
Main RF transmit-receive circuit, secondary RF transmit-receive circuit and RF front-end circuit, wherein：
The base band and application processor, the setting command for receiving and executing different frequency range information；
The main RF transmit-receive circuit and secondary RF transmit-receive circuit, the control for receiving the base band and application processor, root
According to the band information, be combined into reception/transmission channel of corresponding frequency band, and with the corresponding frequency band of the RF front-end circuit
Interface is connected；
The pair RF transmit-receive circuit includes several transmitting-receiving sub-circuits, and the main RF transmit-receive circuit can be with any transmitting-receiving
Circuit forms reception/transmission channel of different frequency range.
2. multi-module mobile terminal according to claim 1, which is characterized in that the RF front-end circuit includes main power amplifier electricity
Road, secondary power amplifier, switching circuit and filter circuit.
3. multi-module mobile terminal according to claim 2, which is characterized in that the main power amplifier and secondary power amplifier are used
The power amplifier channel of corresponding frequency band is combined into according to the band information in the control for receiving the base band and application processor.
4. multi-module mobile terminal according to claim 2, which is characterized in that the main power amplifier can be used as at least one
The power amplifier channel of frequency range.
5. multi-module mobile terminal according to claim 3, which is characterized in that the pair power amplifier includes several power amplifier
Circuit, the main power amplifier can form the power amplifier channel of different frequency range with any power amplifier sub-circuit.
6. multi-module mobile terminal according to claim 2, which is characterized in that the switching circuit is used for according to the frequency range
Corresponding filter circuit and antenna are connected in information control.
7. multi-module mobile terminal according to claim 6, which is characterized in that the switching circuit is connected with spare duplex
Device, the number of passages for converting the switching circuit.
8. multi-module mobile terminal according to claim 6, which is characterized in that the antenna includes the primary antenna being wholely set
And diversity antenna, the filter circuit is used to adjust the bandwidth of the antenna under different frequency range, and the antenna is additionally provided with use
In the frequency divider of isolation processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725348.7A CN104469992B (en) | 2014-12-02 | 2014-12-02 | Multi-module mobile terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410725348.7A CN104469992B (en) | 2014-12-02 | 2014-12-02 | Multi-module mobile terminal |
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| Publication Number | Publication Date |
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| CN104469992A CN104469992A (en) | 2015-03-25 |
| CN104469992B true CN104469992B (en) | 2018-08-24 |
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| CN201410725348.7A Active CN104469992B (en) | 2014-12-02 | 2014-12-02 | Multi-module mobile terminal |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106849984A (en) * | 2017-02-20 | 2017-06-13 | 广州海格通信集团股份有限公司 | A kind of shared method and system of multi-mode radio frequency |
| CN108811187B (en) * | 2017-04-27 | 2021-08-24 | 展讯通信（上海）有限公司 | Multi-card multi-communication mobile terminal |
| CN107018583B (en) * | 2017-05-08 | 2023-12-29 | 武汉中元通信股份有限公司 | Data transmission module integrating CDMA/LTE two communication systems |
| CN109640382B (en) * | 2019-01-11 | 2022-01-11 | 中信科移动通信技术股份有限公司 | Micro base station and power supply control method of micro base station |
| CN110535483B (en) * | 2019-07-26 | 2021-01-15 | 华为技术有限公司 | Communication module and terminal |
| CN112511185A (en) * | 2020-12-21 | 2021-03-16 | 深圳市爱普赛尔信息技术有限公司 | 2G, 3G and 4G integrated double-carrier portable detection equipment |
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