CN101431822A - Multi-module communication terminal and its communication processing method - Google Patents
Multi-module communication terminal and its communication processing method Download PDFInfo
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- CN101431822A CN101431822A CNA2007100313097A CN200710031309A CN101431822A CN 101431822 A CN101431822 A CN 101431822A CN A2007100313097 A CNA2007100313097 A CN A2007100313097A CN 200710031309 A CN200710031309 A CN 200710031309A CN 101431822 A CN101431822 A CN 101431822A
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Abstract
The present invention discloses a multimode communication terminal which includes at least two communication modules and a control device connected with the at least two communication modules, wherein the control device includes: working state obtaining unit used to obtain working state of the at least two communication modules, wherein working state comprising communication state and non-communication state; communication module control unit used control receiver unit or transmit unit of the other communication module not to work when the working state obtaining unit learns that a communication module is at communication state, and control receiver unit or transmit unit of the other communication module back to work when the working state obtaining unit learns that the communication module at communication state exited from communication state. Communication performance of each communication module in multimode communication terminal can be improved and mutual interference can be reduced through the invention.
Description
Technical field
The present invention relates to a kind of multi-mode communication terminal and communication processing method thereof, relate in particular to the multi-mode communication terminal and the communication processing method thereof of many networks standby simultaneously.
Background technology
At present, the application of multimode terminal is more and more, as the GSM/CDMA dual-mode terminal of supporting global mobile communication (GSM) system and code division multiple access (CDMA) system, GSM/ personal handset system (PHS) dual-mode terminal etc.
Fig. 1 shows a kind of existing double-mode communication terminal.It includes two basic communication modules, and wherein, a basic communication module is the gsm communication module, and another basic communication module is TD-SCDMA.Two modules standbies simultaneously and communicating.This double-mode communication terminal is selectable to work in single GSM pattern (being first communication module work), single TD-SCDMA pattern (being second communication module work) or GSM/TD-SCDMA double mode (being that first communication module and second communication module are worked simultaneously).Wherein, this double-mode communication terminal of the double mode expression of GSM/TD-SCDMA under GSM and TD-SCDMA two-mode simultaneously at net." at net " herein comprises communications status and non-communications status, wherein, communications status is meant the transmitting-receiving note, connect make a phone call, transfer of data and enjoy the active state that other value-added services etc. take network; Situation except communications status is referred to as non-communications status, as holding state etc.; When two communication modules are in communications status simultaneously,, therefore all be difficult to avoid two kinds of radio frequency cross between the mode signal to disturb because the dual-mode antenna of two communication modules is worked simultaneously.As the interference that transmits of the received signal of first communication module to second communication module, perhaps interference to the received signal of second communication module etc. that transmits of first communication module.
Now, some also occur and be used to suppress the technology of two kinds of mode signal RF cross interference, as application number is CN200510028628.3, denomination of invention is in the patent application of " double-mode communication terminal and the inhibition method that can suppress two kinds of mode signal RF cross interference ", it has disclosed a solution: each communication module of double-mode communication terminal includes a baseband processing module and an Interference Control module, a special-purpose interference suppresses path and non-special-purpose an interference suppressed path and each Interference Control module includes, when a baseband processing module wherein monitors signal that another mode signal in the terminal has influence on the communication module at this base band place when receiving, then the Interference Control module of this communication module selects its special-purpose interference to suppress path above-mentioned another mode signal is suppressed.But this double-mode communication terminal need adopt two baseband processing modules and two Interference Control modules, the cost height, and implementation method is also complicated.
Summary of the invention
In view of this, the embodiment of the invention provides a kind of multi-mode communication terminal and communication processing method, with economical, overcome radio frequency interference problem between a plurality of communication modules easily.
The technical solution adopted in the present invention is: an aspect of of the present present invention, a kind of multi-mode communication terminal is provided, and comprise at least two communication modules and the control device that is connected with described at least two communication modules, described control device comprises:
Operating state obtains the unit, is used to obtain the operating state of described at least two communication modules, and described operating state comprises communications status and non-communications status;
The communication module control unit, be used for when described operating state obtains the unit and obtains a communication module and be in communications status, controlling the receiving element or the transmitter unit of described other communication module does not work, and, control the receiving element or the transmitter unit of described other communication module and resume work when acquisition after the described communication module that is in communications status withdraws from described communications status.
Preferably, described communication module control unit comprises:
Module receives the closing control unit, is used for generating one and receiving shutdown signal when described operating state obtains the unit and obtains a communication module and be in communications status, does not work with the receiving element of controlling described other communication module;
Module receive to be recovered control unit, is used for generating one and receiving restoring signal after described operating state obtains the unit and obtains described communication module and withdraw from communications status, resumes work with the receiving element of controlling described other communication module.
Preferably, described module receives closing control unit one or more in the following manner and controls described other communication module receiving element and do not work:
A) close the power supply of described other communication module receiving element;
B) cut off getting in touch between described other communication module receiving element and the described controller;
C) close the biasing of described other communication module receiving element.
Preferably, described communication module control unit comprises:
Module emission closing control unit is used for generating an emission shutdown signal when described operating state obtains the unit and obtains a communication module and be in communications status, does not work with the transmitter unit of controlling described other communication module;
Module emission recovers control unit, is used for generating an emission restoring signal after described operating state obtains the unit and obtains described communication module and withdraw from communications status, resumes work with the transmitter unit of controlling described other communication module.
Preferably, described module emission closing control unit one or more in are in the following manner controlled described other communication module transmitter unit and are not worked:
A) close the power supply of described other communication module transmitter unit;
B) cut off getting in touch between described other communication module transmitter unit and the described controller;
C) close the biasing of described other communication module transmitter unit.
Preferably, described control device is microprocessor unit or application processor; Described reception shutdown signal, reception restoring signal, emission shutdown signal or emission restoring signal are the spi bus protocol signal.
Preferably, described operating state obtains the unit by sending query requests to communication module or receiving the work state information that obtains described at least two communication modules from the indicating status signal of communication module.
Another aspect of the present invention provides a kind of communication processing method of multi-mode communication terminal, described multi-mode communication terminal to comprise at least two communication modules and the control device that is connected with described at least two communication modules, and described communication processing method comprises the steps:
Described control device obtains the operating state of described at least two communication modules, and described operating state comprises communications status and non-communications status;
When described acquisition result is a communication module when being in communications status, described control device is controlled the receiving element or the transmitter unit of described other communication module and is not worked;
After obtaining the described communication module that is in communications status and withdrawing from described communications status, described control device is controlled the receiving element or the transmitter unit of described other communication module and is resumed work.
Preferably, described control device is controlled the idle step of described other communication module and is specially:
When described control device obtains a communication module and is in communications status, generate one and receive shutdown signal, control the receiving element of described other communication module and do not work; Perhaps
When described control device obtains a communication module and is in communications status, generate an emission shutdown signal, control the transmitter unit of described other communication module and do not work.
Preferably, described generation one receives shutdown signal, one or more during the idle step of receiving element of controlling described other communication module specifically may further comprise the steps:
A) close the power supply of described other communication module receiving element;
B) cut off getting in touch between described other communication module receiving element and the described controller;
C) close the biasing of described other communication module receiving element.
Preferably, described generation emission shutdown signal, one or more during the idle step of transmitter unit of controlling described other communication module specifically may further comprise the steps:
A) close the power supply of described other communication module transmitter unit;
B) cut off getting in touch between described other communication module transmitter unit and the described controller;
C) close the biasing of described other communication module transmitter unit.
Preferably, described control device is controlled the step that described other communication module resumes work and is specially:
When described control device obtains the described communication module that is in communications status and withdraws from communications status, generate one and receive restoring signal, control the receiving element of described other communication module and resume work; Perhaps
When described control device obtains the described communication module that is in communications status and withdraws from communications status, generate an emission restoring signal, control the transmitter unit of described other communication module and resume work.
Preferably, the described step of obtaining the operating state of described at least two communication modules is specially:
Described control device is by sending query requests or receiving the work state information that obtains described at least two communication modules from the indicating status signal of communication module to communication module.
To sum up, implement a kind of multi-mode communication terminal and the communication processing method thereof of the embodiment of the invention, when one of them communication module of described multi-mode communication terminal enters communications status, the reception of other communication modules or transmitter unit are not worked; When withdrawing from communications status, this communication module that has been in communications status make the reception or the transmitter unit of described other communication modules recover operate as normal; Thereby can economical and convenient ground overcome the radio frequency interference between a plurality of communication modules of existing multi-mode communication terminal, improve communication quality.
Description of drawings
Fig. 1 is the structural representation of existing double-mode communication terminal;
Fig. 2 is the partial structurtes schematic diagram of double-mode communication terminal in the embodiment of the invention;
Fig. 3 is the schematic diagram of Fig. 2 middle controller;
Fig. 4 is the internal circuit configuration partial schematic diagram of the double-mode communication terminal in the embodiment of the invention;
Fig. 5 is the flow chart of the communication processing method in the embodiment of the invention.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is described.
As shown in Figure 2, be the partial structurtes schematic diagram of the double-mode communication terminal in the embodiment of the invention.Wherein, only show controller 1 and first communication module 2, second communication module 3 and related structural representation thereof; Wherein, controller 1 can be microprocessor (MCU) or application processor (AP), is used to control first communication module 2 or whether second communication module 3 works; It can control the reception and the emission of first communication module 2 or second communication module 3 respectively, for example adopts RX control signal or TX control signal to control the receiving element of first communication module 2 or second communication module 3 or the work of transmitter unit respectively.These contents can describe in detail hereinafter.Described second communication module 2 or second communication module 3 are used for receiving by the antenna (not shown) with a kind of communication pattern under the control of controller 1 or transmitting, communicate with the equipment (as another communication terminal) with the outside, described communication pattern can be any one among PHS, GSM, CDMA2000, CDMA-EVDO, CDMA2000-1X, WCDMA, TD-SCDMA, WIFI, the WIMAX etc.
Please in the lump referring to Fig. 3, in concrete an enforcement of the present invention, described controller 1 specifically comprises:
Operating state obtains unit 10, be used to obtain the first communication module 2 that is connected with described controller 1 and the operating state of second communication module 3, described operating state comprises communications status and non-communications status, and described operating state obtains unit 10 can obtain work state information by the indicating status signal that sends query requests to communication module or receive from communication module;
Communication module control unit 12, be used for when described operating state acquisition unit 10 one of them communication module of acquisition are in communications status, control not working of described other communication module, and after the described communication module that is in communications status of acquisition withdraws from described communications status, control described other communication module and resume work.
Particularly, described communication module control unit 12 comprises:
Module receives closing control unit 120, be used for obtaining unit 10 and obtain a communication module (as first communication module 2) when being in communications status in described operating state, generate one and receive shutdown signal, do not work with the receiving element of controlling described other communication module (second communication module 3);
Module receives recovers control unit 124, be used for after the described first communication module 2 that is in communications status of described operating state acquisition unit 10 acquisitions withdraws from communications status, when promptly being in non-communications status, generate one and receive restoring signal, resume work with the receiving element of controlling described other communication module (second communication module 3).
In specific embodiment, controller 1 is controlled described other communication module (second communication module 3) receiving element and is not worked by receiving shutdown signal one or more in the following manner when knowing that first communication module 2 is in communications status:
A) close the power supply of second communication module 3 receiving elements;
B) cut off getting in touch between second communication module 3 receiving elements and the described controller 1, for example, controller 1 no longer sends the IQ signal to second communication module 3;
C) close the biasing of second communication module 3 receiving elements.
Be understandable that, describedly the receiving element of other communication module resumed work to specifically can be: the power supply that recovers second communication module 3 receiving elements by receiving restoring signal; Perhaps recover getting in touch between second communication module 3 receiving elements and the controller 1; Perhaps recover the biasing of second communication module 3 receiving elements.
In other embodiment, described communication module control unit 12 can also comprise:
Module emission closing control unit 122, be used for obtaining unit 10 and obtain a communication module (as first communication module 2) when being in communications status in described operating state, generate an emission shutdown signal, do not work with the transmitter unit of controlling described other communication module (second communication module 3);
The module emission recovers control unit 126, be used for after the described communication module (first communication module 2) that is in communications status of described operating state acquisition unit 10 acquisitions withdraws from communications status, when promptly being in non-communications status, generate an emission restoring signal, resume work with the transmitter unit of controlling other communication module (second communication module 3).
In specific embodiment, controller 1 is controlled described other communication module (second communication module 3) transmitter unit and is not worked by receiving shutdown signal one or more in the following manner when knowing that first communication module 2 is in communications status:
A) close the power supply of second communication module 3 transmitter units;
B) cut off getting in touch between second communication module 3 transmitter units and the described controller 1, for example, controller 1 no longer sends the IQ signal to second communication module 3;
C) close the biasing of second communication module 3 transmitter units.
Be understandable that, describedly the transmitter unit of other communication module resumed work can be: the power supply that recovers second communication module 3 transmitter units by receiving restoring signal; Perhaps recover getting in touch between second communication module 3 transmitter units and the controller 1; Perhaps recover the biasing of second communication module 3 transmitter units.
Need to prove, in one embodiment of the invention, described communication module control unit 12 can only comprise that module receives closing control unit 120 and module receives recovery control unit 124, only comprises that perhaps module emission closing control unit 120 and module emission recover control unit 124; Perhaps can comprise above-mentioned four control units simultaneously.
As shown in Figure 4, be the internal circuit configuration partial schematic diagram of the double-mode communication terminal in the embodiment of the invention.In embodiment illustrated in fig. 4, wherein, square frame partly shows the radio-frequency transmissions part of this double-mode communication terminal, and it comprises the transmitter unit of a plurality of communication modules; The radio frequency that oval frame partly shows this double-mode communication terminal receives partly, and it comprises the receiving element of a plurality of communication modules.
In an embodiment of the present invention, controller (MCU/AP) by serial peripheral interface bus (SerialPeripheral Interface, SPI) whether transmitter unit or the receiving element of controlling a certain communication module works;
For transmitter unit, controller can be controlled LDO Reg3 register by spi bus (SDATA among the figure, SCLK and SEN bus), and then control and VCC_TXVCO and VLDO3 that described LDO Reg3 links to each other, control the power supply and the biasing of (as closing) transmitter unit; In addition, controller can be controlled get in touch (whether the sending the IQ signal as control) of itself and transmitter unit equally by spi bus; Wherein, spi bus, and spi bus control LDO Reg register etc. be well-known to those skilled in the art, do not describe in detail at this.
Equally, for receiving element, controller can be controlled LDO Reg1 register by spi bus (SDATA, SCLK and SEN bus), and then control VLDO1, VCC_BBI and VCC_BBQ, just can control the power supply and the biasing of (as closing) receiving element, in addition, controller can be controlled get in touch (whether the sending the IQ signal as control) of itself and transmitter unit equally by spi bus.
When controller knows that the communication module that is in communications status withdraws from communications status, controller can by spi bus send the communication module that the order that returns to form (promptly receiving restoring signal or/and the emission restoring signal) controls other receiving element or/and transmitter unit resume work.
As shown in Figure 5, be the flow chart of the communication processing method in the embodiment of the invention; The flow chart of this method is specific as follows:
Step S500, controller are known the operating state of each communication module of double-mode communication terminal, and described operating state is communications status or non-communications status;
Step S502 has judged whether that a communication module has entered communications status; If judged result is not for, then flow process changes step S500 over to, if judged result is for being that then flow process changes step S504 over to;
Step S504, controller is controlled the receiving element or the transmitter unit of other communication modules and is not worked, promptly control other the receiving element of communication module or not working of transmitter unit by spi bus, comprise: getting in touch or closing bias between powered-down, cut-out and the controller, detail can be referring to aforesaid description;
Does step S506 judge whether this communication module that is in communications status has withdrawed from communications status? if judged result then after the wait scheduled time, continues to judge in step S508 for not; If judged result is for being that then flow process changes step S510 over to;
Step S510, controller control the receiving element or the transmitter unit of other communication modules and resume work.
It should be noted that above-mentioned Fig. 2 to Fig. 5 all is that example describes with the double-mode communication terminal, the invention is not restricted to this, technology of the present invention realizes on multi-mode communication terminal at an easy rate.
To sum up, implement embodiments of the invention, when entering communications status the reception of other communication modules or transmitter unit are not worked by one of them communication module when multi-mode communication terminal; When withdrawing from communications status, this communication module that has been in communications status make the reception or the radiating circuit of described other communication modules recover operate as normal; Make the communication module that is in communications status not disturbed by the radiofrequency signal of other communication module, can promote communication performance largely, reduce degree of disturbing mutually; Thereby can economical and convenient ground overcome the radio frequency interference between a plurality of communication modules of existing multi-mode communication terminal, improve communication quality.
The above only is preferred embodiment of the present invention, and is in order to restriction the present invention, within the spirit and principles in the present invention not all, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1, a kind of multi-mode communication terminal comprises at least two communication modules and the control device that is connected with described at least two communication modules, it is characterized in that described control device comprises:
Operating state obtains the unit, is used to obtain the operating state of described at least two communication modules, and described operating state comprises communications status and non-communications status;
The communication module control unit, be used for when described operating state obtains the unit and obtains a communication module and be in communications status, controlling the receiving element or the transmitter unit of described other communication module does not work, and, control the receiving element or the transmitter unit of described other communication module and resume work when acquisition after the described communication module that is in communications status withdraws from described communications status.
2, terminal as claimed in claim 1 is characterized in that, described communication module control unit comprises:
Module receives the closing control unit, is used for generating one and receiving shutdown signal when described operating state obtains the unit and obtains a communication module and be in communications status, does not work with the receiving element of controlling described other communication module;
Module receive to be recovered control unit, is used for generating one and receiving restoring signal after described operating state obtains the unit and obtains described communication module and withdraw from communications status, resumes work with the receiving element of controlling described other communication module.
3, terminal as claimed in claim 2 is characterized in that, described module receives closing control unit one or more in the following manner and controls described other communication module receiving element and do not work:
A) close the power supply of described other communication module receiving element;
B) cut off getting in touch between described other communication module receiving element and the described controller;
C) close the biasing of described other communication module receiving element.
As each described terminal of claim 1 to 3, it is characterized in that 4, described communication module control unit comprises:
Module emission closing control unit is used for generating an emission shutdown signal when described operating state obtains the unit and obtains a communication module and be in communications status, does not work with the transmitter unit of controlling described other communication module;
Module emission recovers control unit, is used for generating an emission restoring signal after described operating state obtains the unit and obtains described communication module and withdraw from communications status, resumes work with the transmitter unit of controlling described other communication module.
5, terminal as claimed in claim 4 is characterized in that, described module emission closing control unit one or more in are in the following manner controlled described other communication module transmitter unit and do not worked:
A) close the power supply of described other communication module transmitter unit;
B) cut off getting in touch between described other communication module transmitter unit and the described controller;
C) close the biasing of described other communication module transmitter unit.
6, terminal as claimed in claim 5 is characterized in that, described control device is microprocessor unit or application processor; Described reception shutdown signal, reception restoring signal, emission shutdown signal or emission restoring signal are the spi bus signal.
7, as each described terminal of claim 1-3, it is characterized in that described operating state obtains the unit by sending query requests to communication module or receiving the work state information that obtains described at least two communication modules from the indicating status signal of communication module.
8, a kind of communication processing method of multi-mode communication terminal, described multi-mode communication terminal comprise at least two communication modules and the control device that is connected with described at least two communication modules, it is characterized in that described communication processing method comprises the steps:
Described control device obtains the operating state of described at least two communication modules, and described operating state comprises communications status and non-communications status;
When obtaining the result is a communication module when being in communications status, and described control device is controlled the receiving element or the transmitter unit of described other communication module and do not worked;
After obtaining the described communication module that is in communications status and withdrawing from described communications status, described control device is controlled the receiving element or the transmitter unit of described other communication module and is resumed work.
9, method as claimed in claim 8 is characterized in that, described control device is controlled the idle step of described other communication module and is specially:
When described control device obtains a communication module and is in communications status, generate one and receive shutdown signal, control the receiving element of described other communication module and do not work; Perhaps
When described control device obtains a communication module and is in communications status, generate an emission shutdown signal, control the transmitter unit of described other communication module and do not work.
10, method as claimed in claim 9 is characterized in that, described generation one receives shutdown signal, one or more during the idle step of receiving element of controlling described other communication module specifically may further comprise the steps:
A) close the power supply of described other communication module receiving element;
B) cut off getting in touch between described other communication module receiving element and the described controller;
C) close the biasing of described other communication module receiving element.
11, method as claimed in claim 9 is characterized in that, described generation emission shutdown signal, and one or more during the idle step of transmitter unit of controlling described other communication module specifically may further comprise the steps:
A) close the power supply of described other communication module transmitter unit;
B) cut off getting in touch between described other communication module transmitter unit and the described controller;
C) close the biasing of described other communication module transmitter unit.
As each described method of claim 8-11, it is characterized in that 12, described control device is controlled the step that described other communication module resumes work and is specially:
When described control device obtains the described communication module that is in communications status and withdraws from communications status, generate one and receive restoring signal, control the receiving element of described other communication module and resume work; Perhaps
When described control device obtains the described communication module that is in communications status and withdraws from communications status, generate an emission restoring signal, control the transmitter unit of described other communication module and resume work.
13, method as claimed in claim 12 is characterized in that, described control device is microprocessor unit or application processor; Described reception shutdown signal, reception restoring signal, emission shutdown signal or emission restoring signal are the spi bus signal.
As each described method of claim 8-11, it is characterized in that 14, the described step of obtaining the operating state of described at least two communication modules is specially:
Described control device is by sending query requests or receiving the work state information that obtains described at least two communication modules from the indicating status signal of communication module to communication module.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2007100313097A CN101431822A (en) | 2007-11-08 | 2007-11-08 | Multi-module communication terminal and its communication processing method |
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| CNA2007100313097A CN101431822A (en) | 2007-11-08 | 2007-11-08 | Multi-module communication terminal and its communication processing method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024944A (en) * | 2012-12-28 | 2013-04-03 | 东莞宇龙通信科技有限公司 | Multimode communication terminal and communication method |
| CN109644152A (en) * | 2016-07-07 | 2019-04-16 | 无线电广播技术研究所有限公司 | Transmission signal receives in the compatible improved house for the standard criterion of mobile phone |
-
2007
- 2007-11-08 CN CNA2007100313097A patent/CN101431822A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103024944A (en) * | 2012-12-28 | 2013-04-03 | 东莞宇龙通信科技有限公司 | Multimode communication terminal and communication method |
| CN109644152A (en) * | 2016-07-07 | 2019-04-16 | 无线电广播技术研究所有限公司 | Transmission signal receives in the compatible improved house for the standard criterion of mobile phone |
| CN109644152B (en) * | 2016-07-07 | 2023-02-28 | 无线电广播技术研究所有限公司 | Improved in-house transmission signal reception compatible with standard specifications for mobile phones |
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Open date: 20090513 |