WO2013113234A1 - 手机及其功率调整方法 - Google Patents

手机及其功率调整方法 Download PDF

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Publication number
WO2013113234A1
WO2013113234A1 PCT/CN2012/086744 CN2012086744W WO2013113234A1 WO 2013113234 A1 WO2013113234 A1 WO 2013113234A1 CN 2012086744 W CN2012086744 W CN 2012086744W WO 2013113234 A1 WO2013113234 A1 WO 2013113234A1
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Prior art keywords
power
output power
received
radio frequency
maximum
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PCT/CN2012/086744
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English (en)
French (fr)
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潘灵建
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惠州Tcl移动通信有限公司
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Publication of WO2013113234A1 publication Critical patent/WO2013113234A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/30TPC using constraints in the total amount of available transmission power
    • H04W52/36TPC using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
    • H04W52/367Power values between minimum and maximum limits, e.g. dynamic range
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02Power saving arrangements
    • H04W52/0209Power saving arrangements in terminal devices
    • H04W52/0212Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02DCLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00Reducing energy consumption in communication networks
    • Y02D30/70Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communications, and in particular to a mobile phone and a power adjustment method thereof.
  • the mobile phone screen is extinguished to save power and cause unnecessary misuse.
  • the distance between the mobile phone and the human face can be more accurately tested, so that the screen of the mobile phone can be extinguished more timely to save power resources and cause unnecessary misoperations.
  • the maximum output power of the mobile phone is often directly used to increase the data during the phantom test, but directly increasing the maximum output power of the mobile phone also increases the data of the mobile phone in free space, which may result in poor HAC ( Hearing Aid Compatibility, hearing aid compatibility indicators) test results and other drawbacks.
  • the technical problem to be solved by the present invention is to provide a mobile phone and a power adjustment method thereof, which can improve the performance of the phantom antenna without modifying the antenna with simple operation and low cost.
  • a technical solution adopted by the present invention is to provide a power adjustment method for a mobile phone, and the method includes the following steps: a. When establishing a call, determining whether a maximum power transmission instruction from the base station is received; b. When it is determined that the maximum power transmission instruction from the base station is not received, the radio frequency power amplifier is controlled to output the radio frequency signal at the power required for normal conversation, and when it is determined that the maximum power transmission instruction from the base station is received, it is determined whether the distance sensor is received. An interrupt signal is issued, wherein the distance sensor emits an interrupt signal when the distance between the mobile phone and the face is between 0 and 3 cm; c.
  • the maximum output power of the RF power amplifier is set to be the first output power, and when it is determined that the interrupt signal is received, the maximum output power of the RF power amplifier is set to the second output power, wherein The second output power is greater than the first output power; d. Controls the RF power amplifier to output RF signals at maximum output power.
  • the first output power is 32 dBm, and the second output power is 33 dBm.
  • another technical solution adopted by the present invention is to provide a power adjustment method for a mobile phone, and the method includes the following steps: a. When establishing a call, determining whether a maximum power transmission instruction from the base station is received; b. When it is determined that the maximum power transmission instruction from the base station is received, it is determined whether an interrupt signal sent by the distance sensor is received, wherein the distance sensor sends an interrupt signal when the distance between the mobile phone and the human face is within a predetermined distance; c.
  • the maximum output power of the RF power amplifier is set to be the first output power, and when it is determined that the interrupt signal is received, the maximum output power of the RF power amplifier is set to the second output power, wherein The second output power is greater than the first output power; d. Controls the RF power amplifier to output RF signals at maximum output power.
  • the step b further includes: when determining that the maximum power transmission instruction from the base station is not received, controlling the radio frequency power amplifier to output the radio frequency signal with the power required during normal conversation.
  • the predetermined distance ranges from 0 to 3 cm.
  • the first output power is 32 dBm, and the second output power is 33 dBm.
  • a mobile phone which comprises: a radio frequency power amplifier, which outputs an RF signal; and a distance sensor, which is issued when the distance between the mobile phone and the face is within a predetermined distance. Interrupt signal; the baseband signal processing chip is respectively connected with the distance sensor and the radio frequency power amplifier, and determines whether to receive the maximum power transmission instruction from the base station when establishing a call, and judges when receiving the maximum power transmission instruction from the base station.
  • the maximum output power of the RF power amplifier is set as the first output power, and when it is determined that the interrupt signal is received, the maximum output of the RF power amplifier is set.
  • the power is the second output power, wherein the second output power is greater than the first output power, and the RF power amplifier is controlled to output the RF signal at the maximum output power.
  • the baseband signal processing chip controls the radio frequency power amplifier to output the radio frequency signal with the power required for normal conversation when it is determined that the maximum power transmission instruction from the base station is not received.
  • the predetermined distance ranges from 0 to 3 cm.
  • the first output power is 32 dBm, and the second output power is 33 dBm.
  • the invention has the beneficial effects that the present invention determines whether the interrupt signal of the distance sensor is received to determine whether the phantom test is needed, and determines that the current sensor is not needed when the interrupt signal of the distance sensor is not received. Perform phantom test to control the RF power amplifier to output the RF signal with the first output power as the maximum output power. When receiving the interrupt signal of the distance sensor, it is determined that the phantom test is currently required, and the RF power amplifier is controlled to be greater than the second output power. The output power is used as the maximum output power to output the RF signal, so that the mobile phone can improve the performance of the phantom antenna at a lower cost and simple operation without modifying the antenna.
  • FIG. 1 is a schematic diagram showing the circuit structure of a mobile phone according to a first embodiment of the present invention
  • FIG. 2 is a flow chart of a power adjustment method of a mobile phone according to a first embodiment of the present invention.
  • FIG. 1 is a schematic diagram showing the circuit structure of a mobile phone according to a first embodiment of the present invention.
  • the mobile phone of the present invention includes a radio frequency power amplifier 201, a distance sensor 202, and a baseband signal processing chip 203.
  • the baseband signal processing chip 203 is connected to the radio frequency power amplifier 201 for setting the maximum power output value of the radio frequency power amplifier 201, and the baseband signal processing chip 203 is connected to the distance sensor 202 for acquiring the interrupt signal generated by the distance sensor 202. .
  • two parameters are set by the baseband signal processing chip 203 to control the maximum output power of the radio frequency power amplifier 201.
  • the parameter is a setting parameter of the radio frequency power amplifier 201 for setting the maximum output power of the radio frequency power amplifier 201.
  • the first output power for controlling the RF power amplifier 201 is 32 dBm
  • setting a second parameter 580 for controlling the second output of the RF power amplifier 201 The power is 33dBm.
  • the distance sensor 202 is used to detect whether the mobile phone is close to the human face, so that when the mobile phone is judged to be close to the human face, an interrupt signal is sent to the baseband signal processing chip 203 to make the baseband signal.
  • the processing chip 203 sets the RF power amplifier 201 to output a radio frequency signal with a large maximum output power.
  • the base station sends a maximum power transmission command to the mobile phone, instructing the mobile phone to output the radio frequency at the maximum output power.
  • the signal therefore, when the maximum power transmission command of the base station is not received, indicates that the phantom test is not being performed at this time, and the baseband signal processing chip 203 controls the radio frequency power amplifier 201 to output the radio frequency signal at the power required for normal talk.
  • the baseband signal processing chip 203 When the baseband signal processing chip 203 receives the maximum power transmission instruction, the baseband signal processing chip 203 further determines whether the interrupt signal of the distance sensor 202 is received. When the interrupt signal is not received, the baseband signal processing chip 203 adopts the first parameter 560. In order to control the maximum output power of the RF power amplifier 201 as the first output power of 32 dBm, in this case, the antenna radiated power will reach 28.2 dBm, which is up to standard.
  • the second parameter 580 controls the second output power of the RF power amplifier 201 to be 33 dBm. Therefore, when testing the phantom, since the RF power amplifier 201 uses the second output power of 33 dBm as the maximum output power, the maximum output power is increased by 1 dBm. The data in the phantom test is added to improve the performance of the phantom antenna.
  • FIG. 2 is a flowchart of a method for adjusting power of a mobile phone according to a first embodiment of the present invention.
  • the power adjustment method of the mobile phone of the present invention includes the following steps:
  • Step 101 When establishing a call, determine whether a maximum power transmission instruction from the base station is received. If the determination result is “Yes”, step 103 is performed; otherwise, step 102 is performed.
  • Step 102 Control the RF power amplifier 201 to output a radio frequency signal with the power required during normal conversation.
  • Step 103 It is determined whether the interrupt signal sent by the distance sensor 202 is received. When the determination result is “Yes”, step 104 is performed. Otherwise, step 105 is performed, wherein the distance sensor 202 is within a predetermined distance range between the mobile phone and the human face.
  • the interrupt signal is internally generated, and a predetermined distance can be set on the distance sensor 202 as needed, which is preferably set between 0 and 3 centimeters depending on the actual application.
  • Step 104 Set the maximum output power of the RF power amplifier 201 to the second output power.
  • Step 105 The maximum output power of the RF power amplifier 201 is set to be a first output power, where the second output power is greater than the first output power;
  • Step 106 Control the RF power amplifier 201 to output a radio frequency signal at a maximum output power.
  • the first output power can be set to 32 dBm
  • the second output power can be set to 33 dBm.
  • the parameter of the radio frequency power amplifier 201 is set to 560 such that the maximum output power of the radio frequency power amplifier 201 is 32 dBm
  • the parameter of the radio frequency power amplifier 201 is set to 580 so that the maximum output power of the radio frequency power amplifier 201 is 33 dBm.
  • the above steps 101-106 are all performed by the baseband signal processing chip 203.
  • the present invention determines whether the current test is a phantom test by determining whether the interrupt signal of the distance sensor 202 is received.
  • the radio frequency power amplifier is controlled.
  • 201 outputs a radio frequency signal with the first output power as the maximum output power, and determines that a phantom test is currently required when receiving the interrupt signal of the distance sensor 202, and controls the radio frequency power amplifier 201 to use the second output power greater than the first output power as the maximum output.
  • the power output RF signal increases the test result of the phantom, so that the mobile phone realizes the performance of the phantom antenna at a low cost and a simple operation without modifying the antenna.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Telephone Function (AREA)

Abstract

本发明公开了一种手机及其功率调整方法,该方法包括如下步骤:在建立通话时,判断是否接收到来自基站的最大功率发送指令;在判断到接收到来自基站的最大功率发送指令时,判断是否接收到距离传感器发出的中断信号,其中,距离传感器在手机与人脸的距离在预定距离范围内时发出中断信号;在判断到没有接收到中断信号时,设置射频功率放大器的最大输出功率为第一输出功率,在判断到接收到中断信号时,设置射频功率放大器的最大输出功率为第二输出功率,其中,第二输出功率大于第一输出功率;控制射频功率放大器以最大输出功率输出射频信号。本发明可在不需要修改天线的情况下提升phantom天线的性能,且操作简单、方便,成本低廉。

Description

手机及其功率调整方法
【技术领域】
本发明涉及通讯领域,特别是涉及一种手机及其功率调整方法。
【背景技术】
随着智能大屏手机的流行,越来越多的手机需要在手机通话时,在人将手机贴紧人脸的时候,将手机屏幕灭掉以便省电和造成不需要的误操作。通过提升phantom(人头测试)天线的性能可以更准确的测试出手机与人脸的距离,从而能更及时地将手机屏幕灭掉以节省电资源和造成不需要的误操作。在现有技术中经常直接采用增加手机最大输出功率来增加phantom测试时的数据,但是直接增加手机最大输出功率的同时会使手机在自由空间的数据也增加,可能会带来较差的HAC(Hearing Aid Compatibility,助听器兼容指标)测试效果以及其他一些弊端。
【发明内容】
本发明主要解决的技术问题是提供一种手机及其功率调整方法,能够以简单的操作以及低廉的成本,实现在不需要修改天线的情况下提升phantom天线的性能。
为解决上述技术问题,本发明采用的一个技术方案是:提供一种手机的功率调整方法,该方法包括如下步骤:a.在建立通话时,判断是否接收到来自基站的最大功率发送指令;b. 在判断到没有接收到来自基站的最大功率发送指令时,控制射频功率放大器以正常通话时所需功率输出射频信号,在判断到接收到来自基站的最大功率发送指令时,判断是否接收到距离传感器发出的中断信号,其中,距离传感器在手机与人脸的距离在0到3厘米之间时发出中断信号;c.在判断到没有接收到中断信号时,设置射频功率放大器的最大输出功率为第一输出功率,在判断到接收到中断信号时,设置射频功率放大器的最大输出功率为第二输出功率,其中,第二输出功率大于第一输出功率;d.控制射频功率放大器以最大输出功率输出射频信号。
其中,第一输出功率为32dBm,第二输出功率为33dBm。
为解决上述技术问题,本发明采用的另一个技术方案是:提供一种手机的功率调整方法,该方法包括如下步骤:a.在建立通话时,判断是否接收到来自基站的最大功率发送指令;b. 在判断到接收到来自基站的最大功率发送指令时,判断是否接收到距离传感器发出的中断信号,其中,距离传感器在手机与人脸的距离在预定距离范围内时发出中断信号;c.在判断到没有接收到中断信号时,设置射频功率放大器的最大输出功率为第一输出功率,在判断到接收到中断信号时,设置射频功率放大器的最大输出功率为第二输出功率,其中,第二输出功率大于第一输出功率;d.控制射频功率放大器以最大输出功率输出射频信号。
其中,步骤b进一步包括:在判断到没有接收到来自基站的最大功率发送指令时,控制射频功率放大器以正常通话时所需功率输出射频信号。
其中,预定距离范围在0到3厘米之间。
其中,第一输出功率为32dBm,第二输出功率为33dBm。
为解决上述技术问题,本发明采用的又一个技术方案是:提供一种手机,该手机包括:射频功率放大器,输出射频信号;距离传感器,在手机与人脸的距离在预定距离范围内时发出中断信号;基带信号处理芯片,分别与距离传感器以及射频功率放大器连接,在建立通话时,判断是否接收到来自基站的最大功率发送指令,在判断到接收到来自基站的最大功率发送指令时,判断是否接收到距离传感器发出的中断信号,在判断到没有接收到中断信号时,设置射频功率放大器的最大输出功率为第一输出功率,在判断到接收到中断信号时,设置射频功率放大器的最大输出功率为第二输出功率,其中,第二输出功率大于第一输出功率,并控制射频功率放大器以最大输出功率输出射频信号。
其中,基带信号处理芯片在判断到没有接收到来自基站的最大功率发送指令时,控制射频功率放大器以正常通话时所需功率输出射频信号。
其中,预定距离范围在0到3厘米之间。
其中,第一输出功率为32dBm,第二输出功率为33dBm。
本发明的有益效果是:区别于现有技术的情况,本发明通过判断是否接收到距离传感器的中断信号,以判断是否需要进行phantom测试,在没有接收到距离传感器的中断信号时判定当前不需要进行phantom测试,控制射频功率放大器以第一输出功率作为最大输出功率输出射频信号,在接收到距离传感器的中断信号时判定当前需要进行phantom测试,控制射频功率放大器以大于第一输出功率的第二输出功率作为最大输出功率输出射频信号,从而使得手机实现在不修改天线的情况下以较低的成本以及简单的操作提升phantom天线的性能。
【附图说明】
图1是根据本发明第一实施例的手机的电路结构示意图;
图2是根据本发明第一实施例的手机的功率调整方法的流程图。
【具体实施方式】
下面结合附图和实施例对本发明进行详细说明。
首先参阅图1,图1是根据本发明第一实施例的手机的电路结构示意图。如图1所示,本发明的手机包括射频功率放大器201、距离传感器202以及基带信号处理芯片203。其中,基带信号处理芯片203与射频功率放大器201连接,用于设置射频功率放大器201的最大功率输出值,并且,基带信号处理芯片203与距离传感器202连接,用于获取距离传感器202产生的中断信号。
在本实施例中,利用基带信号处理芯片203设置两个参数以控制射频功率放大器201的最大输出功率。其中,参数为射频功率放大器201的设置参数,用于设定射频功率放大器201的最大输出功率。而在本实施例中,通过设置第一个参数为560,用于控制射频功率放大器201的第一输出功率为32dBm,设置第二个参数为580,用于控制射频功率放大器201的第二输出功率为33dBm。
由于在做phantom测试的时候,需要贴近人脸进行测试,因此,利用距离传感器202检测手机是否靠近人脸,从而在判断到手机靠近人脸时发出中断信号至基带信号处理芯片203,使得基带信号处理芯片203设置射频功率放大器201使其以较大的最大输出功率输出射频信号。
并且,由于phantom测试是必须在射频的最大输出功率等级的情况下测试的,因此在进行phantom测试时,一旦建立通话,基站会给手机发出一个最大功率发送指令,命令手机以最大输出功率输出射频信号,因此,在没有收到基站的最大功率发送指令时,表明此时并不是在进行phantom测试,此时基带信号处理芯片203控制射频功率放大器201以正常通话时所需功率输出射频信号。
当基带信号处理芯片203接收到最大功率发送指令时,基带信号处理芯片203进一步判断是否接收到距离传感器202的中断信号,在没有接收到中断信号时,基带信号处理芯片203采用第一个参数560,以控制射频功率放大器201的最大输出功率为第一输出功率32dBm,在这种情况下,天线辐射功率会达到28.2dBm,达到标准。
当基带信号处理芯片203接收到距离传感器202的中断信号时,由于phantom测试需将手机靠近人脸从而使得距离传感器202产生中断信号,在这种情况下,可判定当前在进行phantom测试,故采用第二个参数580,控制射频功率放大器201的第二输出功率为33dBm,因此,在测试phantom时,因为射频功率放大器201采用第二输出功率33dBm作为最大输出功率,使得最大输出功率提高了1dBm,增加了phantom测试时的数据,从而实现能提升phantom天线性能。
以下将参见图2更为详实地介绍本发明的手机的功率调整方法。
请参见图2,图2是根据本发明第一实施例的手机的功率调整方法的流程图。如图2所示,本发明的手机的功率调整方法包括如下步骤:
步骤101:在建立通话时,判断是否接收到来自基站的最大功率发送指令,在判断结果为“是”时,执行步骤103,反之,执行步骤102。
步骤102:控制射频功率放大器201以正常通话时所需功率输出射频信号。
步骤103:判断是否接收到距离传感器202发出的中断信号,在判断结果为“是”时,执行步骤104,反之,执行步骤105,其中,距离传感器202在手机与人脸的距离在预定距离范围内时发出中断信号,可在距离传感器202上根据需要设置预定距离,取决于实际应用,该预定距离范围优选设置在0到3厘米之间。
步骤104:设置射频功率放大器201的最大输出功率为第二输出功率。
步骤105:设置射频功率放大器201的最大输出功率为第一输出功率,其中,第二输出功率大于第一输出功率;
步骤106:控制射频功率放大器201以最大输出功率输出射频信号。
如上所述,在上述步骤104和步骤105中,第一输出功率可设置为32dBm,第二输出功率可设置为33dBm。具体通过设置射频功率放大器201的参数为560以使得射频功率放大器201的最大输出功率为32dBm,通过设置射频功率放大器201的参数为580以使得射频功率放大器201的最大输出功率为33dBm。
其中,上述的步骤101-106均由基带信号处理芯片203执行。
值得注意的是,上述的参数、第一输出功率、第二输出功率等具体数值可根据实际需要调整,本发明仅以一具体实施方式为例对本发明构思作出具体描述,在不背离本发明构思的前提下,对以上各具体数值不作具体限定。
因此,本发明通过判断是否接收到距离传感器202的中断信号,以判定当前所做测试是否为phantom测试,在没有接收到距离传感器202的中断信号时判定当前不需要进行phantom测试,控制射频功率放大器201以第一输出功率作为最大输出功率输出射频信号,在接收到距离传感器202的中断信号时判定当前需要进行phantom测试,控制射频功率放大器201以大于第一输出功率的第二输出功率作为最大输出功率输出射频信号以增加phantom的测试结果,从而使得手机实现在不修改天线的情况下以较低的成本以及简单的操作提升phantom天线的性能。
以上所述仅为本发明的实施例,并非因此限制本发明的专利范围,凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换,或直接或间接运用在其他相关的技术领域,均同理包括在本发明的专利保护范围内。

Claims (10)

  1. 一种手机的功率调整方法,其中,包括如下步骤:
    a.在建立通话时,判断是否接收到来自基站的最大功率发送指令;
    b. 在判断到没有接收到来自基站的最大功率发送指令时,控制射频功率放大器以正常通话时所需功率输出射频信号,在判断到接收到来自基站的最大功率发送指令时,判断是否接收到距离传感器发出的中断信号,其中,所述距离传感器在所述手机与人脸的距离在0到3厘米之间时发出所述中断信号;
    c.在判断到没有接收到所述中断信号时,设置所述射频功率放大器的最大输出功率为第一输出功率,在判断到接收到所述中断信号时,设置射频功率放大器的最大输出功率为第二输出功率,其中,所述第二输出功率大于所述第一输出功率;
    d.控制所述射频功率放大器以所述最大输出功率输出射频信号。
  2. 根据权利要求1所述的方法,其中,所述第一输出功率为32dBm,所述第二输出功率为33dBm。
  3. 一种手机的功率调整方法,其中,包括如下步骤:
    a.在建立通话时,判断是否接收到来自基站的最大功率发送指令;
    b. 在判断到接收到来自基站的最大功率发送指令时,判断是否接收到距离传感器发出的中断信号,其中,所述距离传感器在所述手机与人脸的距离在预定距离范围内时发出所述中断信号;
    c.在判断到没有接收到所述中断信号时,设置射频功率放大器的最大输出功率为第一输出功率,在判断到接收到所述中断信号时,设置射频功率放大器的最大输出功率为第二输出功率,其中,所述第二输出功率大于所述第一输出功率;
    d.控制所述射频功率放大器以所述最大输出功率输出射频信号。
  4. 根据权利要求3所述的方法,其中,所述步骤b进一步包括:
    在判断到没有接收到来自基站的最大功率发送指令时,控制所述射频功率放大器以正常通话时所需功率输出所述射频信号。
  5. 根据权利要求3所述的方法,其中,所述预定距离范围在0到3厘米之间。
  6. 根据权利要求3所述的方法,其中,所述第一输出功率为32dBm,所述第二输出功率为33dBm。
  7. 一种手机,其中,所述手机包括:
    射频功率放大器,输出射频信号;
    距离传感器,在所述手机与人脸的距离在预定距离范围内时发出中断信号;
    基带信号处理芯片,分别与所述距离传感器以及所述射频功率放大器连接,在建立通话时,判断是否接收到来自基站的最大功率发送指令,在判断到接收到来自基站的最大功率发送指令时,判断是否接收到距离传感器发出的所述中断信号,在判断到没有接收到所述中断信号时,设置射频功率放大器的最大输出功率为第一输出功率,在判断到接收到所述中断信号时,设置射频功率放大器的最大输出功率为第二输出功率,其中,所述第二输出功率大于所述第一输出功率,并控制所述射频功率放大器以所述最大输出功率输出所述射频信号。
  8. 根据权利要求7所述的手机,其中,所述基带信号处理芯片在判断到没有接收到来自基站的最大功率发送指令时,控制所述射频功率放大器以正常通话时所需功率输出所述射频信号。
  9. 根据权利要求7所述的手机,其中,所述预定距离范围在0到3厘米之间。
  10. 根据权利要求7所述的手机,其中,所述第一输出功率为32dBm,所述第二输出功率为33dBm。
PCT/CN2012/086744 2012-02-01 2012-12-17 手机及其功率调整方法 WO2013113234A1 (zh)

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