CN102394668A - Mobile terminal and method for processing same - Google Patents

Abstract

The invention discloses a mobile terminal and a method for processing the same. The mobile terminal comprises a plurality of antenna matching networks and a selector, wherein the antenna matching networks are coupled to an antenna of the mobile terminal; each antenna matching network is used for bearing one or more frequency bands; and the selector is used for selecting one of the plurality of antenna matching networks and coupling the antenna matching network to a radio frequency transmitting and receiving circuit of the mobile terminal. By the invention, effects of improving the performance of the antenna, reducing debugging difficulty and shortening debugging time are achieved.

Description

The processing method of portable terminal and portable terminal

Technical field

The present invention relates to the communications field, in particular to the processing method of a kind of portable terminal and portable terminal.

Background technology

Along with developing rapidly of global telecommunications market, the third generation (3^RdGeneration abbreviates 3G as) network promoted widely, is in one at present by the second generation (2^NdGeneration abbreviates 2G as) to the 2G/3G pattern and gradually to the 4th generation (4 of 3G/^ThGeneration abbreviates 4G as) stage of mode switch.Each regional telecommunication market development is unbalanced; Different market demand various network covers; Need the combination of different mode combinations or frequency range, but, consider from R&D costs and client's angle for terminal equipment manufacturer; Hope that the combination of all patterns and frequency range can both realize together, to satisfy the different demands of each operator.Therefore, terminal equipment can support that except requiring chip, circuit antenna also will cover whole frequency ranges different mode and the frequency range combination.

Insert (Wideband Code Division Multiple Access from the WCDMA of 3G; Abbreviate WCDMA as) speed insert (High Speed Downlink Packet Access to high speed downlink packet; Abbreviate HSDPA as)/high speed uplink packet access (High Speed Uplink Packet Access; Abbreviate HSUPA as) up 5.76Mbps, descending 21Mbps is to two descending 42Mbps of carrier wave, and Long Term Evolution (Long-Term Evolution; Abbreviate LTE as), high speed has been brought speed experience more and more fast to the user.In order to satisfy the fluency that the user uses, also increasingly high to the performance requirement of wireless terminal, especially to portable terminal and mutual " window " of base station system---the radiance of antenna has also proposed harsh requirement.

Yet on the present market, portable terminal all to the miniaturization development, therefore, on portable terminal, deducts the shared position of structural member and circuit devcie, and is very limited to the space that antenna stays.Realize that in limited space full frequency band covers, and require good antenna radiation performance, not only increased the difficulty of antenna debugging, also prolonged the research and development debugging cycle, the performance of some frequency range is sacrificed to some extent, influence terminal use's experience effect.

Summary of the invention

To the problem of the mobile terminal antenna debug difficulties that exists in the correlation technique, the invention provides the processing method of a kind of portable terminal and portable terminal.

According to an aspect of the present invention, a kind of portable terminal is provided, has comprised: a plurality of antenna matching networks, be coupled to the antenna of this portable terminal, wherein, each antenna matching network is used to carry one or more frequency ranges; Selector is used for selecting an antenna matching network of a plurality of antenna matching networks is coupled to the RF transmit-receive circuit of portable terminal.

Preferably, above-mentioned portable terminal also comprises: controller, be used for to selector output control signal, and the control selector is coupled to RF transmit-receive circuit with an antenna matching network.

Preferably, above-mentioned selector is used for using the selection logical signal of control signal to select an antenna matching network is coupled to RF transmit-receive circuit, and wherein, this selects logical signal corresponding to the frequency range in the antenna matching network.

Preferably, above-mentioned controller is a baseband circuit.

Preferably, above-mentioned selector is a switch.

Preferably, above-mentioned switch is the double-pole multithrow switch, is used for through the different port that connects this double-pole multithrow switch an antenna matching network being coupled to RF transmit-receive circuit.

According to a further aspect in the invention; A kind of processing method of portable terminal is provided, has comprised: the selector in the portable terminal is selected an antenna matching network in a plurality of antenna matching networks in the portable terminal is coupled to the RF transmit-receive circuit in the portable terminal; Portable terminal receives and/or sends signal through an antenna matching network in a plurality of antenna matching networks.

Preferably, the RF transmit-receive circuit selecting an antenna matching network in a plurality of antenna matching networks in the portable terminal is coupled in the portable terminal of the selector in the portable terminal comprises: selector receives the control signal from the controller in the portable terminal; Selector uses control signal to select an antenna matching network is coupled to RF transmit-receive circuit.

Preferably; Selector use control signal is selected that an antenna matching network is coupled to RF transmit-receive circuit and comprised: selector uses the selection logical signal in the control signal to select an antenna matching network is coupled to RF transmit-receive circuit; Wherein, select logical signal corresponding to the frequency range in the antenna matching network.

Preferably, controller is the double-pole multithrow switch, is used for through the different port that connects the double-pole multithrow switch antenna matching network being coupled to RF transmit-receive circuit.

Through the present invention; Adopt the mode of carrying one or more frequency ranges in the every strip antenna matching network in a plurality of antenna matching networks, it is low to have solved the portable terminal multiband aerial that exists in the correlation technique, the problem of debug difficulties; And then reached the reduction debugging difficulty, reduce the effect of debug time.

Description of drawings

Accompanying drawing described herein is used to provide further understanding of the present invention, constitutes the application's a part, and illustrative examples of the present invention and explanation thereof are used to explain the present invention, do not constitute improper qualification of the present invention.In the accompanying drawings:

Fig. 1 is the structured flowchart according to the portable terminal of the embodiment of the invention;

Fig. 2 is the structured flowchart according to a kind of preferred portable terminal of the embodiment of the invention;

Fig. 3 is the structured flowchart according to the another kind of preferred portable terminal of the embodiment of the invention;

Fig. 4 is the flow chart according to a kind of mobile terminal radio frequency front end system method for designing of the embodiment of the invention;

Fig. 5 is the structural representation according to another preferred portable terminal of the embodiment of the invention;

Fig. 6 selects logical schematic according to the switch of the configuration of the embodiment of the invention;

Fig. 7 selects logical schematic according to the switch that the realization low-and high-frequency of the embodiment of the invention is separated;

Fig. 8 is the flow chart according to the processing method of the portable terminal of the embodiment of the invention.

Embodiment

Hereinafter will and combine embodiment to specify the present invention with reference to accompanying drawing.Need to prove that under the situation of not conflicting, embodiment and the characteristic among the embodiment among the application can make up each other.

Embodiment one

Present embodiment provides a kind of portable terminal; Fig. 1 is the structured flowchart according to the portable terminal of the embodiment of the invention; As shown in Figure 1, this portable terminal comprises: a plurality ofantenna matching networks 12 are coupled to the antenna of this portable terminal; Wherein, each antenna matching network is used to carry one or more frequency ranges;Selector 14 is coupled to a plurality ofantenna matching networks 12, is used for selecting an antenna matching network of a plurality of antenna matchingnetworks 12 is coupled to the RF transmit-receive circuit of portable terminal.

In correlation technique, the antenna of portable terminal covers full frequency band, and all frequency ranges all are carried in the antenna matching network; The multiband aerial performance is difficult to all take into account; When antenna is debugged, need all debug debug difficulties and time-consuming also longer to each frequency range.Present embodiment uses a plurality of antenna matching networks; Carry one or more frequency ranges in each antenna matching network; Make that when the debugging frequency range, only need debug this frequency range corresponding antenna matching network gets final product, thereby lowered the difficulty of debugging, reduced the time of debugging.

Fig. 2 is the structured flowchart according to a kind of preferred portable terminal of the embodiment of the invention; As shown in Figure 2; This portable terminal can also comprise: controller 22; Be coupled toselector 14, be used for to selector 14 output control signals,control selector 14 is coupled to RF transmit-receive circuit with an antenna matching network in a plurality of antenna matching networks in a plurality of antenna matching networks 12.Among this embodiment,, realized that selector selects corresponding antenna matching network through controller output control signal.

In a preferred implementation of the embodiment of the invention;Selector 14 is used for using the selection logical signal of control signal to select an antenna matching network in a plurality of antenna matching networks is coupled to RF transmit-receive circuit; Wherein, select logical signal corresponding to the frequency range in the antenna matching network.In the present embodiment, the selection logical signal in the control signal is corresponding with the frequency range in the antenna matching network, thus can makeselector 14 select to connect suitable antenna matching network.

Preferably, above-mentioned controller 22 is a baseband circuit.Present embodiment uses the baseband circuit that exists in the portable terminal as controller, and is less to the change of portable terminal, realizes also comparatively simple.

Preferably, above-mentionedselector 14 is a switch.This switch can be the double-pole multithrow switch, and the different port that is used for through connecting the double-pole multithrow switch is coupled to RF transmit-receive circuit with an antenna matching network of a plurality of antenna matching networks.Present embodiment has the advantage that is easy to realize.

Embodiment two

Present embodiment provides a kind of portable terminal; Be used to remedy the increase of the antenna debugging difficulty of bringing because of antenna space is limited, shorten the antenna debugging cycle, satisfy the performance requirement of different mode and different frequency range combination; Improve antenna radiation performance, and strengthen the mobile terminal user experience property.

The portable terminal that present embodiment provides comprises: the mainboard of portable terminal, the electric power management circuit on the mainboard, baseband circuit, RF transmit-receive circuit, the double-pole multithrow switch, the antenna matching network one that is connected with the double-pole multithrow switch and antenna matching network two and the antenna that are electrically connected with RF transmit-receive circuit; Wherein, Antenna matching network one carries a part of frequency range respectively with antenna matching network two; The frequency range of antenna matching network one and antenna matching network two carryings can be fully different, also can overlap.This portable terminal is through the control signal of baseband chip (baseband circuit) output; According to the selection logical signal of demand configuration to duplexer; Realization makes antenna matching network be linked in the circuit to the selection of two ports of duplexer, thereby realizes the selection to the different frequency range combination; Debug the antenna matching network of corresponding port respectively, make antenna performance reach optimum.Need to prove that present embodiment only is to be example with two antenna matching networks, a plurality of antenna matching networks also can be realized similar function.

Compare with correlation technique; Portable terminal in the present embodiment is realized the control to the switching of double-pole multithrow switch through the matching network of double-pole multithrow switch, increase and the logic selection signal of deploy switch, can use the match circuit of antenna neatly; Reduced the debugging difficulty of antenna; And then shorten the R&D cycle, and strengthened the performance of multimode multiband aerial, improved user's speed experience effect.

Embodiment three

Fig. 3 is the structured flowchart according to the another kind of preferred portable terminal of the embodiment of the invention.As shown in Figure 3; In this embodiment, antenna is electrically connected with two ports of double-pole multithrow switch through antenna matching network one and antenna matching network two, and the other end of double-pole multithrow switch is electrically connected with RF transmit-receive circuit; RF transmit-receive circuit is electrically connected with baseband circuit; Accomplish the reception and the emission of radiofrequency signal, electric power management circuit is electrically connected with baseband circuit, RF transmit-receive circuit and double-pole multithrow switch respectively, accomplishes the power supply to each circuit; The control signal that baseband circuit output can be disposed is accomplished the logic selection to the double-pole multithrow switch through this control signal, thereby makes the different frequency range combination of output two-way of double-pole multithrow switch; And adjust antenna matching network one and antenna matching network two respectively to two kinds of different frequency ranges combinations, make antenna performance in each working frequency range, reach best.

Fig. 4 is that as shown in Figure 4, this method may further comprise the steps according to the flow chart of a kind of mobile terminal radio frequency front end system method for designing of the embodiment of the invention:

Step S402, on the mainboard of portable terminal the design one antenna;

Step S404, on the mainboard of portable terminal the design one antenna matching network one, be electrically connected with antenna;

Step S406, on the mainboard of portable terminal the design one antenna matching network two, be electrically connected with antenna;

Step S408, a double-pole multithrow switch is set on the mainboard of portable terminal, antenna matching network one is electrically connected with the double-pole multithrow switch respectively with antenna matching network two;

Step S410, on the mainboard of portable terminal the design one RF transmit-receive circuit, be electrically connected with the double-pole multithrow switch;

Step S412, on the mainboard of portable terminal the design one baseband circuit, be electrically connected with RF transmit-receive circuit;

Step S414, on the mainboard of portable terminal the design one electric power management circuit, be electrically connected with RF transmit-receive circuit, baseband circuit and double-pole multithrow switch respectively;

Step S416, from baseband circuit to double-pole multithrow switch output control signal, realize the frequency range combination that double-pole multithrow switch output two-way is different through the different logical configuration;

Step S418, regulate antenna matching network one and antenna matching network two respectively to institute's frequency range that will realize respectively, realize that the antenna performance of each frequency range reaches the best.

The sequencing of the step of describing in the present embodiment only is preferred implementation, need to prove that step S402 can carry out combination in any to the execution sequence of step S414, and these combinations all can realize the present embodiment identical functions.

Fig. 5 is the structural representation according to another preferred portable terminal of the embodiment of the invention, below in conjunction with Fig. 5 the method for designing of this portable terminal is elaborated.

Tip designs one antenna 2 at the mainboard 1 of portable terminal; The form of antenna 2 can be for monopole, also can be planar inverted-F antenna (Planar Inverted F Antenna; Abbreviate PIFA as), inverse F antenna forms such as (Inverted F Antenna abbreviate IFA as).

Antenna matching network 1 and antenna matching network 24 are set in the lower left of antenna 2, and antenna matching network 1 is a π type matching network with antenna matching network 24.Need to prove that antenna matching network 1 and antenna matching network 24 also can be other forms of matching networks such as double L-shaped, T type, and are electrically connected with antenna 2 respectively.

Below antenna matching network 1 and antenna matching network 24, a double-pole multithrow switch 5 is set, the port 6 of double-pole multithrow switch 5 is electrically connected with antenna matching network 1 and antenna matching network 24 respectively with port 7.

One RF transmit-receive circuit 8 is set below double-pole multithrow switch 5, is electrically connected with double-pole multithrow switch 5.

One baseband circuit 9 is set below RF transmit-receive circuit 8, is electrically connected with RF transmit-receive circuit 8.

One electric power management circuit 10 is set below baseband circuit 9, is electrically connected with baseband circuit 9, RF transmit-receive circuit 8 and double-pole multithrow switch 5 respectively, accomplish the required power management of each circuit unit.

From baseband circuit 9 outputs four control signal CtlA11, CtlB12, CtlC13 and CtlD14; Be electrically connected with double-pole multithrow switch 5; Control signal CtlA11, CtlB12, CtlC13 and CtlD14 can mode as shown in Figure 6 be configured, and wherein, the low level (Low) of the high level (High) and the logical signal of logical signal have been shown among the figure; WCDMA I TRx represents transmitting and receiving of WCDMA band1; WCDMA VIII TRx represents transmitting and receiving of WCDMA band8, Digital Cellular System (Digital Cellular System abbreviates DCS as) Rx representative mobile communication global system (Global System for Mobile Communication; Abbreviate GSM as) reception of 1800 frequency ranges; GSM900Rx represents the reception of GSM900 frequency range, and GSM850/900Tx represents the emission of GSM850/900 frequency range, makes the signal of port 6 transmitting-receiving GSM900, DCS, W900 and the European 2G/3G frequency range of using always of W2100 of double-pole multithrow switch 5; WCDMAII TRx represents transmitting and receiving of WCDMA band2; WCDMAV TRx represents transmitting and receiving of WCDMA band5; PCS Personal Communications System (Personal Communications System abbreviates PCS as) Rx represents the reception of GSM1900 frequency range, and GSM 850Rx represents the reception of GSM850 frequency range; GSM850/900Tx represents the emission of GSM850/900 frequency range, the signal of the 2G/3G frequency range that port 7 transmitting-receiving GSM850, PCS, W850 and the W1900 America of double-pole multithrow switch 5 is commonly used; The quantity of above-mentioned control signal can be provided with according to demand, for example can a plurality of control signal of predefine, and wherein, a plurality of control signals can be three control signals, also can be 5 control signals, and are perhaps more; The frequency range combination also can be disposed when designing according to demand voluntarily; For example; Define a plurality of frequency range combinations in advance, as shown in Figure 7, low-frequency ranges such as GSM850/900, W850/900 are through port input and output of double-pole multithrow switch; High bands such as DCS/PCS, WCDMAI and WCDMAII are through another port input and output of double-pole multithrow switch, thus the mode that the realization low-and high-frequency is separated.

Through the combination of above-mentioned frequency range is set, to GSM900, DCS, W900 and W2100 frequency range the time, can adjust antenna matching network 1, to GSM850, PCS, W850 and W1900 frequency range the time, can adjust antenna matching network 24.

In the present embodiment, in the circuit of portable terminal, designed the double-pole multithrow switch; Increased antenna matching network, and control signal has been selected logic configuration, can freely control the switching of double-pole multithrow switch and realize two transmitting-receiving frequency range combinations that port is different through the control signal of baseband circuit output; To different frequency range combinations, regulate the two-way antenna-matching circuit more respectively, thereby reduced the debugging difficulty of antenna; Shortened the antenna R&D cycle; And can make each band antenna performance reach best, and then increased the radiance of antenna, improve the satisfaction that the user uses portable terminal.

Embodiment four

Present embodiment provides a kind of processing method of portable terminal, and this method can be used the portable terminal among the embodiment one to embodiment three.

Fig. 8 is the flow chart according to the processing method of the portable terminal of the embodiment of the invention, and is as shown in Figure 8, and this method comprises:

Step S802, the selector in the portable terminal select an antenna matching network in a plurality of antenna matching networks in the portable terminal is coupled to the RF transmit-receive circuit in the portable terminal;

Step S804, portable terminal receives and/or sends signal through an antenna matching network in a plurality of antenna matching networks.

In correlation technique, the antenna of portable terminal covers full frequency band, and all frequency ranges all are carried in the antenna matching network; Multiband aerial system can be difficult to take into account; When antenna is debugged, need all debug debug difficulties and time-consuming also longer to each frequency range.Present embodiment uses a plurality of antenna matching networks, carries one or more frequency ranges in each matching network, makes that when the debugging frequency range, only need debug this frequency range corresponding antenna matching network gets final product, thereby has lowered the difficulty of debugging, has reduced the time of debugging.

Wherein, step S802 can have multiple implementation, only wherein a kind of implementation is described below.Selector receives the control signal from the controller in the portable terminal; Then, this selector uses control signal to select an antenna matching network in a plurality of antenna matching networks is coupled to RF transmit-receive circuit.Among this embodiment,, realized that selector selects corresponding antenna matching network through controller output control signal.

In a preferred implementation of the embodiment of the invention; Selector use control signal is selected that an antenna matching network in a plurality of antenna matching networks is coupled to RF transmit-receive circuit and can be comprised: selector uses the selection logical signal in the control signal to select an antenna matching network in a plurality of antenna matching networks is coupled to RF transmit-receive circuit; Wherein, select logical signal corresponding to the frequency range in the antenna matching network in a plurality of antenna matching networks.In the present embodiment, the selection logical signal in the control signal is corresponding with the frequency range in the antenna matching network, thus can makeselector 14 select to connect suitable antenna matching network.

Preferably, above-mentioned controller can be switch, and for example, this controller is the double-pole multithrow switch, and the different port that is used for through connecting the double-pole multithrow switch is coupled to RF transmit-receive circuit with an antenna matching network of a plurality of antenna matching networks.Present embodiment has the advantage that is easy to realize.

Preferably, above-mentioned controller is a baseband circuit.Present embodiment uses the baseband circuit that exists in the portable terminal as controller, and is less to the change of portable terminal, realizes also comparatively simple.

In another embodiment, a kind of process software of portable terminal is provided also, this software is used for carrying out the technical scheme that the foregoing description and preferred embodiment are described.

In another embodiment, a kind of storage medium is provided also, has stored the process software of above-mentioned portable terminal in this memory mechanism.

In sum; The present invention adopts the mode of carrying one or more frequency ranges in the every strip antenna matching network in a plurality of antenna matching networks; When the debugging frequency range, only need debug this frequency range corresponding antenna matching network gets final product; Reach the attenuating debugging difficulty, reduced the effect of debug time, improved the multiband aerial performance.

Obviously, it is apparent to those skilled in the art that above-mentioned each module of the present invention or each step can realize with the general calculation device; They can concentrate on the single calculation element; Perhaps be distributed on the network that a plurality of calculation element forms, alternatively, they can be realized with the executable program code of calculation element; Thereby; Can they be stored in the storage device and carry out, and in some cases, can carry out step shown or that describe with the order that is different from here by calculation element; Perhaps they are made into each integrated circuit modules respectively, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.

The above is merely the preferred embodiments of the present invention, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All within spirit of the present invention and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. portable terminal is characterized in that comprising:

A plurality of antenna matching networks are coupled to the antenna of said portable terminal, and wherein, each said antenna matching network is used to carry one or more frequency ranges;

Selector is used for selecting an antenna matching network of said a plurality of antenna matching networks is coupled to the RF transmit-receive circuit of said portable terminal.

2. portable terminal according to claim 1 is characterized in that, said portable terminal also comprises: controller is used for controlling said selector a said antenna matching network being coupled to said RF transmit-receive circuit to said selector output control signal.

3. portable terminal according to claim 2 is characterized in that,

Said selector is used for using the selection logical signal of said control signal to select a said antenna matching network is coupled to said RF transmit-receive circuit, and wherein, said selection logical signal is corresponding to the frequency range in the said antenna matching network.

4. according to claim 2 or 3 described portable terminals, it is characterized in that said controller is a baseband circuit.

5. according to each described portable terminal in the claim 1 to 3, it is characterized in that said selector is a switch.

6. portable terminal according to claim 5 is characterized in that said switch is the double-pole multithrow switch, is used for through the different port that connects said double-pole multithrow switch a said antenna matching network being coupled to said RF transmit-receive circuit.

7. the processing method of a portable terminal is characterized in that comprising:

Selector in the portable terminal is selected an antenna match in a plurality of antenna matching networks in the said portable terminal

RF transmit-receive circuit in network coupled to the said portable terminal;

Said portable terminal receives and/or sends signal through a said antenna matching network.

8. method according to claim 7 is characterized in that, the RF transmit-receive circuit that the selector in the portable terminal is selected an antenna matching network in a plurality of antenna matching networks in the said portable terminal is coupled in the said portable terminal comprises:

Said selector receives the control signal from the controller in the said portable terminal;

Said selector uses said control signal to select a said antenna matching network is coupled to said RF transmit-receive circuit.

9. method according to claim 8 is characterized in that, said selector uses said control signal to select that a said antenna matching network is coupled to said RF transmit-receive circuit to comprise:

Said selector uses the selection logical signal in the said control signal to select a said antenna matching network is coupled to said RF transmit-receive circuit, and wherein, said selection logical signal is corresponding to the frequency range in the said antenna matching network.

10. according to each described method in the claim 7 to 9, it is characterized in that said controller is the double-pole multithrow switch, be used for a said antenna matching network being coupled to said RF transmit-receive circuit through the different port that connects said double-pole multithrow switch.

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