CN2692942Y - CDMA / GSM double mode mobile communication apparatus - Google Patents

Abstract

The utility model discloses a mobile communication equipment which can be suitable for honeycomb frequency band aspect. The utility model is mainly used for building the wireless communication of an IS95GSM network or a CDMA network. A mobile phone which is suitable for a GSM or CDMA system mode is designed with a subsidiary communication module interface of the CDMA or GSM mode and is attached with a subsidiary communication module of the CDMA or GSM mode. A). The mobile phone with the CDMA mode is attached with an expandable interface of the subsidiary communication module of the GSM mode, and the mobile phone with the CDMA mode is provided with an expandable GSM mode. B). The mobile phone with the GSM mode is attached with an expandable interface of the subsidiary communication module of the CDMA mode, and the mobile phone with the GSM mode is provided with an expandable CDMA mode. C). The CDMA mobile phone with the basic mode is attached with the subsidiary communication module of the GSM, and the CDMA mobile phone with the basic mode becomes double-mode mobile phone which can select CDMA and GSM. D). The GSM mobile phone with the basic mode is attached with the subsidiary communication module of the CDMA, and the GSM mobile phone with the basic mode becomes double-mode mobile phone which can select GSM and CDMA. The utility model really realizes global communication of using the same mobile phone.

Description

CDMA/GSM double-mode mobile communication equipment

Technical field: the utility model relates to a kind of communication equipment that can be applicable to the cellular band aspect, is mainly used to set up the radio communication of netting with IGSM net or S95CDMA, belongs to Wireless Telecom Equipment and makes the field.

Background technology: GSM/CDMA double-mode mobile communication equipment, GSM of Xiao Shouing or cdma cellular band communication equipment in the market, technical scheme and communication means are grasped by those skilled in the art, and the scope of application is all over the world.The logical letter of establishing of the weak point that exists: GSM can't use at the CDMA net fully, and cdma communication equipment can't use at the GSM/ net, and the two does not have interchangeability.Therefore, can't realize the globalization of monotype mobile communication.

Summary of the invention: be to solve the deficiency that exists in the background technology, the dual-mode communication device of the utility model design has satisfied Virtual network operator can run on requirement on GSM and two networks of CDMA simultaneously to individual equipment.Designed mobile phone can avoid carrying the communication that two mobile phones adapt to two network standards, and designed mobile phone is on the basis that makes full use of existing communal technique, public parts, the cost of mobile phone is reduced significantly, make the user spend cheap expense just can enjoy the facility that to use same mobile phone in the whole world.In order to realize this purpose, the utility model is on the mobile phone basis of existing GSM master's communication module or CDMA master's communication module, set up one can with the subsidiary communications module of GSM master's communication module or CDMA master's communication module conversion work, set up one group of diverter switch and connector that can be parallel to the swap data of host CPU (comprising whole global facilities) and main communication module the subsidiary communications module.This group diverter switch (power change-over switch, the audio frequency diverter switch, the aerial signal diverter switch) and the major function of special connector under the effect of host CPU " model selection " signal, corresponding signal data is linked selected work communication module (main communication module or subsidiary communications module).Here connector is connected in parallel to the subsidiary communications module to the swap data between host CPU and the main communication module: when being in the subsidiary communications pattern, host CPU is realized exchanges data by diverter switch, connector and subsidiary communications module like this; When being in main communication pattern, the direct and main communication module of host CPU realizes exchanges data.Need to prove that main communication module and subsidiary communications module are comparatively speaking, main communication module can be designed to CDMA pattern or GSM pattern, and the subsidiary communications module also can CDMA pattern or GSM pattern.That is, if main communication module is CDMA, the subsidiary communications module is exactly GSM so; If main communication module is GSM, the subsidiary communications module is exactly CDMA so.Specifically, this is a kind of design of having only a main communication module (GSM or CDMA) as self the operation main system in being included in, in this case, a subsidiary communications module is exactly CDMA or GSM, the technology that main printed circuit board will comprise common elements and more optimize.

Technical scheme:

1.CDMA/GSM the method for double-mode mobile communication, the subsidiary communications module of an additional CDMA or GSM pattern on the mobile phone that is applicable to GSM or cdma system pattern, comprising: a). the expansion interface of the subsidiary communications module of additional GSM pattern on the mobile phone with CDMA pattern possesses it and can expand the GSM pattern; B). the expansion interface of the subsidiary communications module of additional CDMA pattern on the mobile phone with GSM pattern possesses it and can expand the CDMA pattern; C). the subsidiary communications module of additional GSM pattern on mobile phone with CDMA pattern, can select the double mode communication of CDMA/GSM; D). the subsidiary communications module of additional CDMA pattern on mobile phone with GSM pattern, can select the double mode communication of GSM/CDMA.

2.CDMA/GSM the equipment of double-mode mobile communication, the subsidiary communications module of an additional CDMA or GSM pattern comprises: a) on the mobile phone that is applicable to GSM or cdma system pattern. have the GSM pattern mobile phone of expansion CDMA pattern subsidiary communications module interface; B). have the CDMA pattern mobile phone of expansion GSM pattern subsidiary communications module interface; C). fundamental mode is the additional GSM subsidiary communications module of CDMA, can select the dual-mode handset of GSM and CDMA; D). fundamental mode is the additional GSM subsidiary communications module of CDMA, can select the dual-mode handset of GSM and CDMA.

The mobile phone that adopts 1 and 2 technical schemes to produce, its advantage is once being that the hand-held mobile phone of user can be according to the pattern difference of institute's arrival point communication network, and in time adjust the mode of operation of its mobile phone, and make its communication that can adapt to network standard, avoid carrying the inconvenience of two mobile phones; The 2nd, maximally utilise existing public parts and reduced the mobile phone cost, make the user under the not high situation of cost, just can enjoy the facility that can use same mobile phone in the whole world; The 3rd, the setting of diverter switch and connector, make the GSM/CDMA system in the mobile phone that is configured in, can be according to the setting of user institute arrival point communication network, the work order of the change communication pattern of assigning by cell phone keyboard or switch (GSM or CDMA) in time, thus realize the transformation of mobile phone GSM or CDMA mode of operation; The 4th, equipment cost is low, and the design that the present invention utilizes existing low-cost parts to be carried out does not need the main body circuit and the main body software of communication module are made amendment; The 5th, standardization does not need network standard changed and adapts to design; The 6th, the alternative of communication equipment, this design allows client to select only to buy main system for the mobile phone of the subsidiary communications module expansion interface of the additional GSM pattern of CDMA pattern or only buy the mobile phone of main system for the subsidiary communications module expansion interface of the additional CDMA pattern of GMS pattern, rather than the equipment of two kinds of network schemers of force users all buys, and can reduce expense concerning the user.Simultaneously, allow those to select to buy additional communications modules the cellphone subscriber of two standard room contacts; The 7th, excellent in design, reliable, this design can be accomplished reliable control with the diverter switch and the special connector that have logical circuit; The 8th, this design adopts the power source special administrative unit to reduce the service time that power consumption increases battery.

Description of drawings:

Fig. 1 is GSM/CDMA double-mode mobile communication device hardware STRUCTURE DECOMPOSITION figure (front),

Fig. 2 is GSM/CDMA double-mode mobile communication device hardware STRUCTURE DECOMPOSITION figure (back side),

Fig. 3 is the schematic diagram that GSM/CDMA double-mode mobile communication equipment inserts the subsidiary communications module,

Fig. 4 is a GSM/CDMA double-mode mobile communication equipment components functional-block diagram.

Embodiment:

The method of CDMA/GSM double-mode mobile communication, the subsidiary communications module of an additional CDMA or GSM pattern on the mobile phone that is applicable to GSM or cdma system pattern, comprising: a). the expansion interface of the subsidiary communications module of additional GSM pattern on the mobile phone with CDMA pattern possesses it and can expand the GSM pattern; B). the expansion interface of the subsidiary communications module of additional CDMA pattern on mobile phone with GSM pattern, it is possessed can expand the CDMA pattern: c). the subsidiary communications module of additional GSM pattern on mobile phone with CDMA pattern, can select the double mode communication of CDMA/GSM; D). the subsidiary communications module of additional CDMA pattern on mobile phone with GSM pattern, can select the double mode communication of GSM/CDMA.Two kinds of public parts of pattern are: SIM/UIM card slot (4), loud speaker (7), LCD (8), microphone (9) and cell panel (10), radio-frequency antenna (11), keypad (12), under the effect of keyboard " model selection " instruction, host CPU (5) is by the diverter switch (power change-over switch of Fig. 4 (13), audio frequency diverter switch (14), aerial signal diverter switch (15)), connector (1) is realized being connected of exchanges data with main communication module (2) and subsidiary communications module (3); When " model selection " instruction is main communication pattern, direct and the main communication module of host CPU (5) (2) realizes exchanges data: when " model selection " instruction was the subsidiary communications pattern, host CPU (5) was realized exchanges data by three diverter switches (13) (14) (15), connector (1) with subsidiary communications module (3).Connector pinout definition and pin number are: a). string line (I2C bus), be used on host CPU (5) and the communication module (3) from the communication bus between CPU (16), number of pins 4, b). the voltage input, number of pins 0 or 1, c). module detects, be used for detecting and whether have the subsidiary communications module to insert, number of pins 0 or 1, d). battery electric quantity detects, and is used to detect battery dump energy, number of pins 1, e). microphone, number of pins 2, f). loud speaker, number of pins 2, g). the auxiliary audio frequency input and output are used for linking to each other number of pins 0 or 3 with the I/O mouth of external equipment, i). power supply, be used for linking to each other with Power Management Unit, number of pins 1 or 4, j). voltage ground, number of pins 1 or 4 are used for linking to each other with Power Management Unit, k). antenna terminal is used for two aerial signal inputs that module is public, number of pins 1.Here main communication pattern and subsidiary communications pattern are comparatively speaking: a). when main communication module (2) was the GSM pattern, subsidiary communications module (3) was exactly the CDMA pattern; B). when main communication module (2) was the CDMA pattern, subsidiary communications module (3) was exactly the GSM pattern; C). main communication module and subsidiary communications module always have a communication module to be selected as operational module.Host CPU (5) on the main printed substrate (6) is judged according to hardware detection or custom menu selects to decide that to start main communication module still be the subsidiary communications module: a). do not have the subsidiary communications module, host CPU automatically starts the main communication module on the main printed substrate (6); B). subsidiary communications module (3) insertion equipment, the communication pattern that host CPU (5) automatically prompting user selects expectation to use by keyboard or special switch starts selecteed communication module.Host CPU (5) is by the acting in conjunction of three switching selection switch (13) (14) (15) and connector (1), and public parts enter selected GSM or CDMA mode of operation with the module of the work of selecting.Under the control that " model selection " of host CPU instructs, three electronic switch (power change-over switchs, the audio frequency diverter switch, the radio-frequency antenna signal shift switch) can be correct these signals be linked on subsidiary communications module or the main communication module, thus can finish exchanges data by correct make selected operational module and host CPU.Specifically: when mode of operation was main communication pattern, three diverter switches were linked main communication module with the data wire of global facility, host CPU; When mode of operation was the subsidiary communications pattern, three diverter switches, connectors linked to each other global facility, host CPU and subsidiary communications module.The method of CDMA/GSM double-mode mobile communication of the present invention is exactly so to carry out " model selection " instruction, adopts diverter switch, connector to realize the CDMA or the gsm communication pattern of the mobile phone that the user needs.

1～4 couple of embodiment of the present utility model is described below in conjunction with the accompanying drawings.

The equipment of CDMA/GSM double-mode mobile communication: the subsidiary communications module of an additional CDMA or GSM pattern on the mobile phone that is applicable to GSM or cdma system pattern comprises: a). have the GSM pattern mobile phone of expansion CDMA pattern subsidiary communications module interface; B). have the CDMA pattern mobile phone of expansion GSM pattern subsidiary communications module interface; C). fundamental mode is the additional CDMA subsidiary communications module of GSM, can select the dual-mode handset of GSM and CDMA; D). fundamental mode is the additional GSM subsidiary communications module of CDMA, can select the dual-mode handset of CDMA and GSM.Below carry out the explanation of embodiment with " d) fundamental mode be the dual-mode handset that the additional GSM subsidiary communications module of CDMA can be selected CDMA and GSM " in above-mentioned four kinds of mobile phones:

1. two kinds of public parts of pattern are in Fig. 1 and Fig. 2: SIM/UIM card slot (4), loud speaker (7), LCD (8), microphone (9) and cell panel (10), radio-frequency antenna (11), keypad (12), under the effect of keyboard " model selection " instruction, host CPU (5) is by the diverter switch (power change-over switch of Fig. 4 (13), audio frequency diverter switch (14), aerial signal diverter switch (15)), connector (1) is realized being connected of exchanges data with main communication module (2) and subsidiary communications module (3); When " model selection " instruction was main communication pattern, the direct and main communication module of host CPU (5) realized exchanges data; When " model selection " instruction was the subsidiary communications pattern, host CPU (5) was realized exchanges data by three diverter switches (13) (14) (15), connector (1) with subsidiary communications module (3).Connector pinout definition and pin number are: a). string line (I2C bus), be used on host CPU (5) and the subsidiary communications module (3) from the communication bus between CPU (16), number of pins 4, b). the voltage input, number of pins 0 or 1, c). module detects, be used for detecting and whether have the subsidiary communications module to insert, number of pins 0 or 1, d). battery electric quantity detects, and is used to detect battery dump energy, number of pins 1, e). microphone, number of pins 2, f). loud speaker, number of pins 2, g). the auxiliary audio frequency input and output are used for linking to each other number of pins 0 or 3 with the I/O mouth of external equipment, i). power supply, be used for linking to each other with Power Management Unit, number of pins 1 or 4, j). voltage ground, number of pins 1 or 4 are used for linking to each other with Power Management Unit, k). antenna terminal is used for two aerial signal inputs that module is public, number of pins 1.2.. equipment has adopted main communication module and the additional subsidiary communications module that is built on the main printed substrate, a). when main communication module (2) is the GSM pattern, subsidiary communications module (3) is exactly the CDMA pattern, b). when main communication module (2) is the CDMA pattern, subsidiary communications module (3) is exactly the GSM pattern, c). and main communication module and subsidiary communications module always have a communication module to be selected as operational module.3.. the host CPU (5) on the main printed substrate (6) is judged according to hardware detection or custom menu selects to decide that to start main communication module still be the subsidiary communications module, a). do not have the subsidiary communications module, host CPU (5) automatically starts the main communication module on the main printed substrate (6); B). the subsidiary communications module is inserted equipment, the communication pattern that the host CPU automatically prompting user selects expectation to use, start selecteed communication module, c). host CPU (5) is by the acting in conjunction of three switching selection switch (13) (14) (15) and connector (1), and public parts enter selected GSM or CDMA mode of operation with the module of the work of selecting.4.. select the CDMA pattern need use UIM card or selection GSM pattern need use SIM card, the pattern that UIM/SIM card modular converter (17) is discerned subscriber card automatically flows to user profile host CPU (5) and provides prompting by equipment, and whether adding of subsidiary communications module can not influence the monotype operate as normal that main communication module and main system are carried out CDMA or GSM.Specifically: GSM/CDMA double-mode mobile communication equipment, it comprises main communication module (2) and subsidiary communications module (3), host CPU (5), power change-over switch (13), audio frequency diverter switch (14), aerial signal diverter switch (15), connector (1), main printed substrate (6) is gone up UIM/SIM modular converter (17), data and code memory (18) and main power source administrative unit utility module and SIM/UIM card slots (4) such as (19), loud speaker (7), LCD (8), microphone (9), and cell panel (10), radio-frequency antenna (11), keypad global facilities such as (12), the diverter switch (13) (14) (15) of host CPU (5) by having logical circuit and the work communication module of the selected needs of connector (1) of controlled pin preference pattern are finished host CPU (5), exchanges data between global facility and the chosen work communication module; 5. the main power source administrative unit (19) of host CPU (5) control is responsible for the electric weight of dynamic monitoring cell panel, the service time of reducing power consumption increase battery.6. another control pin of host CPU (5) is subsidiary communications module (3) insertion detects pin, is used for showing the state whether the subsidiary communications module exists.Should be noted that:, the circuit of not selected communication module is closed fully by the power change-over switch (13) of host CPU (5) control no matter which communication module is selected in main communication module and the subsidiary communications module.7. the operation of main communication module: a). when starting for the first time, " model selection " signal is made as system's (holotype) of acquiescence, or be kept at the pattern of the selection of the user last time in the equipment, if there is not the subsidiary communications module, so main communication module (2) (CDMA) is worked by default.B). after subsidiary communications module (3) was inserted, the operational module that main communication module (2) becomes acquiescence was activated up to the button of selecting mode of operation.C). device start all has a selectivity operation each time, and by keyboard or mode selection switch, main communication module (2) and subsidiary communications module (3) can both be distinguished selected use, and this performance is also considered the needs of test purpose.D). in the specific a certain moment, can only have a communication module in running order, that is to say, main communication module (2) and subsidiary communications module (3) always can only have a communication module to be selected as operational module.There is not selected operational module under the manipulation of the Power Management Unit of host CPU (5) control, to be in closing state.E). whether the insertion of subsidiary communications module (3) does not influence the monotype operate as normal that main communication module (2) and main system are carried out CDMA.When subsidiary communications module (3) when not inserting as yet, mode selection switch can't act on, and perhaps require the user " to insert the subsidiary communications module ".F). when detecting, host CPU (5) select specific work system to start, its start-up routine of using in this module starts this system so, so just selected different start-up systems without hardware, this point resembles the boot sequence of computer when inserting floppy disk very much, replaces the start-up routine of hard disk with the start-up routine in the floppy disk; During " PWR " key on pressing finger-board, host-initiated program starts, and calls the start-up routine of operational module then, and this point resembles the boot sequence of computer when inserting floppy disk very much, and its is with the start-up routine of the replacement of the start-up routine in floppy disk hard disk.8. radio-frequency antenna part: integrated radio system is divided into following components: antenna importation, CDMA antenna part, GSM antenna part, according to " model selection " commands for controlling antenna change-over switch (15), common antenna is switched to the work communication module of designated mode by host CPU (5).9. baseband design framework: the baseband logic that is common to GSM and CDMA module, the design of the connection between each communication module and the functional block comprises device drives and baseband circuit part, main communication module (2) and subsidiary communications module (3) all have oneself from CPU (16), DSP, flash rom, encoder and startup ROM, main communication module (2) and the Installed System Memory of subsidiary communications module (3) with different addresses.10. flash rom and internal memory (RAM), main communication module (3) baseband processor and subsidiary communications module baseband processor all require to use the flash rom memory.The code memory of every kind of pattern all should be mapped in the different flash memory parts with semipermanent data storage (DBM) and go.This allows two kinds of patterns independently to operate, and does not need to ask service there from other module or processor.The ram set of system is similar to flash rom, and memory can separate fully, if main communication module (2) and subsidiary communications module (3) can be switched during a single power cycles back and forth, identical RAM mapping may be used for this two kinds of patterns.This can reduce the space of RAM and reduce internal memory according to the demand of phone cost.A kind of single memory device (16/4M RAM) can hold flash memory and ram region simultaneously, and this will save the expense of space and ROM.Above-mentioned technology, except technical scheme of the present invention, the narration of other technical scheme all is the reproduction of prior art.

Claims (4)

1, a kind of CDMA/GSM double-mode mobile communication equipment, GSM/CDMA double-mode mobile communication equipment, it comprises main communication module (2) and subsidiary communications module (3), host CPU (5), power change-over switch (13), audio frequency diverter switch (14), aerial signal diverter switch (15), connector (1), main printed substrate (6) is gone up UIM/SIM modular converter (17), data and code memory (18) and main power source administrative unit (19) utility module and SIM/UIM card slot (4), loud speaker (7), LCD (8), microphone (9), and cell panel (10), radio-frequency antenna (11), keypad (12) global facility, it is characterized in that: the power change-over switch (13) of host CPU (5) by having logical circuit, audio frequency diverter switch (14), the connector (1) of antenna change-over switch (15) and controlled pin preference pattern is selected communication module, finishes host CPU (5), exchanges data between global facility and the chosen work communication module.

2, CDMA/GSM double-mode mobile communication equipment according to claim 1, it is characterized in that: mode of operation is main communication pattern, power change-over switch (13), audio frequency diverter switch (14), antenna change-over switch (15), connector are linked main communication module with the data wire of global facility, host CPU, mode of operation is the subsidiary communications pattern, and power change-over switch (13), audio frequency diverter switch (14), antenna change-over switch (15), connector link to each other the data wire of global facility, host CPU with the subsidiary communications module.

3, CDMA/GSM double-mode mobile communication equipment according to claim 2 is characterized in that: main communication module and subsidiary communications module are closed the circuit of not selected communication module fully by the power change-over switch (13) of host CPU (5) control.

4, CDMA/GSM double-mode mobile communication equipment according to claim 2, it is characterized in that: 1. main communication module (2) is the GSM pattern, subsidiary communications module (3) is the CDMA pattern; 2. main communication module (2) is the CDMA pattern, and subsidiary communications module (3) is the GSM pattern; 3. only there is one as operational module in main communication module and the subsidiary communications module.

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