[summary of the invention]
Too much with the demodulating unit power consumption of many modulations for solving the Multi-user recognition module of communication device in prior artProblem, the invention discloses a kind of communication device, it comprises: control unit, the first modulation demodulating unit,Second modulation demodulating unit and detecting unit.This detecting unit in order to detect the condition parameter of communication device,This control unit according to this condition parameter, determine to close the power supply of this second modulation demodulating unit and maintain thisThe power supply of one modulation demodulating unit.
As optional technical scheme, this first modulation demodulating unit correspondence first user identification module and firstUser code, corresponding second user identification module of this second modulation demodulating unit and the second user code, should when closingDuring the power supply of the second modulation demodulating unit, this control unit sends and requires information, makes this second user code transferTo this first user code.
As optional technical scheme, this control unit, according to this condition parameter, recovers the demodulation of this second modulationThe power supply of unit is also cancelled the switching of this second user code and is set.
As optional technical scheme, this condition parameter is that this second user identification module does not exists, this controlUnit closes the power supply of this second modulation demodulating unit.
As optional technical scheme, this condition parameter is the translational speed of this communication device, works as translational speedMore than the first predetermined value, this control unit closes the power supply of this second modulation demodulating unit.
As optional technical scheme, this detecting unit detects this translational speed with the change of position location.
As optional technical scheme, the frequency of this detecting unit detecting switching cell determines this translational speed.
As optional technical scheme, when this second modulation demodulating unit is closed, if the low mistake of this translational speedSecond predetermined value, this control unit recovers the power supply of this second modulation demodulating unit.
As optional technical scheme, described communication device also includes battery, and this condition parameter is this batteryElectricity, when this electricity is less than the first electricity predetermined value, and this control unit closes this second modulation demodulating unitPower supply, when this second modulation demodulating unit is closed, if this electricity is higher than the second electricity predetermined value, controlUnit recovers the power supply of this second modulation demodulating unit.
As optional technical scheme, this condition parameter represent this second modulation demodulating unit minuent link timeBetween, it being continued above the very first time when the time that this minuent links, this control unit closes the demodulation of this second modulationThe power supply of unit.
As optional technical scheme, when this second modulation demodulating unit is closed, this second modulation is demodulatedUnit is periodically powered and carries out line program, during as do not reached stable connection, closes the demodulation of this second modulation singleUnit.
System of the present invention can reach the purpose of power saving via above-mentioned means.
[detailed description of the invention]
Refer to the Organization Chart that Fig. 1 is communication system of the present invention, communication system includes communication device 10, telecommunicationsNetwork 20 and communication network 30, communication network 20 and communication network 30 are respectively provided with base station 201 and base station301 and control centre 202 and control centre 302；Control unit 130, first is included in communication device 10Modulation demodulating unit the 110, second modulation demodulating unit 120, detecting unit 140, battery 150, expansion are situated betweenFace 111 and extending interface 121, extending interface 111 and extending interface 121 can allow user insert the respectivelyOne user identification module 112 or the second user identification module 122, first user identification module 112 and second is usedFamily identifies that module 122 is internal and stores first user code and the second user code respectively；When user to use firstDuring the external communication of user code, first user identification module 112 is first inserted extending interface 111 by user, usesPerson starts power supply, and control unit 130 makes the first modulation demodulating unit 110 power, and with first user code withBase station 201 connects, and waits after registering above with control centre 202, just communication network 20 can be carried out communicationProgram；Same, when user to use the second external communication of user code, user is first by the second userIdentifying that module 122 inserts extending interface 121, control unit 130 makes the second modulation demodulating unit 120 power alsoIt is connected with base station 301 with the second user code, waits after registering above with control centre 302, just can be to telecommunications networkNetwork 30 carries out the program of communication；In the present invention, detecting unit 140 is in order to detect the shape of communication device 10Condition parameter, control unit 130, according to condition parameter, decides whether to close the second modulation demodulating unit 120Power and maintain the power supply of the first modulation demodulating unit 110.
In the present invention condition parameter of various embodiments is explained further with Fig. 2, in step 401, logicalAfter news device 10 starts, normal power supply is to each element within communication device in Fig. 1 10, in step 402In, detecting unit 140 is in order to detect whether the second user identification module 122 exists, in the present invention, theThe existence of two user identification module 122, except physically either with or without inserting extending interface 121, it is also possible to beUser closes the use state of the second user identification module 122, is allowed to not exist, when judging the second userIdentify that module 122 does not exists, then carry out step 403, close the power supply of the second modulation demodulating unit 120 and setPut the second user code and be forwarded to first user code, that is control unit 130 is according to the second user identification module 122Non-existent condition parameter, this control unit readjusts the distribution change demodulation via the second modulation demodulating unit 120 or the firstUnit 110 sends and requires that information all specifies switching to control centre 302, the incoming call that will issue the second user codeTo first user code, i.e. send a telegram here and be transmitted to the first modulation demodulating unit 110 through control centre 130, make thisTwo user codes are forwarded to this first user code, close this second modulation demodulating unit 120 the most in this stepPower supply represents can be the most not use this second user identification module 122, its relevant radio frequency or fundamental frequencyUnit all completely closes power supply supply, but can also be to be simply turned off radio frequency unit, and fundamental frequency unit still can be readTaking the inside information of the second user identification module 122, this situation is similar to mobile phone " flight pattern ", even closingClose radio-frequency (RF) component, still power saving is very helpful, additionally at communication device, there are two fundamental frequency modulation solutionsAdjust unit (Baseband modem) and high frequency front-end modulation demodulating unit (RF front-end modem)Under situation, what the power supply closing the second modulation demodulating unit referred to closedown is fundamental frequency modulation demodulating unit.If makingUser inserts in step 404 or starts the second user identification module 122, and control unit 130 is then according to this shapeCondition, performs step 414, recovers the power supply of the second modulation demodulating unit 120 and cancel the switching of the second user codeSet；If being not inserted into the second user identification module 122, still remain off the confession of the second modulation demodulating unitElectricity.
In step 405, detecting unit 140 detects the translational speed of communication device 10 further and judgement isNo being more than a setting value, detecting unit 140 can be the positioning function with GPS or AGPS, then withPosition and time determine rate travel, and additionally can be based on communication device switching little for detecting unit 140The frequency in district judges speed, if that is communication device 10 is under the situation of quickly movement, switching cellFrequency also can increase, if the translational speed of communication device 10 is higher than setting value, then carries out step 406, closesThe power supply of this second modulation demodulating unit 120 and the second user code is set is forwarded to first user code, that is controlUnit 130 processed is higher than the condition parameter of setting value according to the translational speed of communication device 10, and this control unit is enteredThe program (with step 403) of row switching, in step 407, detecting unit 140 can persistently detect translational speed,Treating that its speed is reduced to preset value, control unit 130, then according to this situation, performs step 414, recovers secondThe power supply of modulation demodulating unit 120 is also cancelled the switching of the second user code and is set；If communication device 10, still tie upHold high speed conditions, the power supply of the most continuously off second modulation demodulating unit.
In a step 408, detecting unit 140 detects the electricity of battery 150 in communication device 10 further,If electricity is less than predetermined value, then carries out step 409, close the power supply of this second modulation demodulating unit 120 and setPut the second user code and be forwarded to first user code, that is control unit 130 is less than according to the electricity of battery 150The condition parameter of predetermined value, this control unit carries out the program (with step 403) transferred, additionally detecting unit 140Persistently detect the change of electricity, if communication device 10 is charged and makes the electricity height of battery 150 by userIn another preset value (step 410), control unit 130, then according to this situation, performs step 414, recovers theThe power supply of two modulation demodulating units 120 is also cancelled the switching of the second user code and is set；If battery 150 still maintainsLow electricity, the power supply of the most continuously off second modulation demodulating unit.
In step 411, detecting unit 140 detects the second user identification module in communication device 10 furtherThe 122 low binding times caused because signal reception is bad, if low binding time is more than a predetermined value,Then carry out step 412, close the power supply of the second modulation demodulating unit 120 and the second user code is set is forwarded toOne user code, that is control unit 130 draws because signal reception is bad according to the second user identification module 122The low binding time risen is higher than the condition parameter of setting value, and the program that control unit 130 carries out transferring (synchronizesRapid 403), the above-mentioned low time system linked can judge with the time of broken string or with the news receivedNumber intensity less than time of setting value or the signal strength noise received than the time less than setting value, thisInvention comprises the state of broken string, or is also less than offline condition, but mobile phone still can receive second user's moduleNetwork signal, but generally this situation phone do not show yet now maintain unlatching the second modulation demodulating unit also withoutMethod operation call function.Additionally control unit 130 can periodically open the second modulation demodulating unit 120Power supply, and the program (step 413) being attached is if line can be carried out, control unit 130 is then according to this evenThe successful situation of line, performs step 414, recovers the power supply of the second modulation demodulating unit 120 and cancel the second useThe switching of family code sets；If being unable to reach stable connection, the power supply of the most continuously off second modulation demodulating unit,Above-mentioned line reaches and stably means when the signal quality that can carry out conversing reaches some strength or maintains one to presetBetween.
In sum, although the present invention is disclosed above with preferred embodiment, and so it is not limited to thisBright.Persond having ordinary knowledge in the technical field of the present invention, without departing from the spirit and scope of the invention,When making various changes and retouching.Therefore, the protection domain of the present invention is when scope institute circle regarding claimThe person of determining is as the criterion.