WO2012010060A1 - 控制终端信号发射的方法和终端 - Google Patents

控制终端信号发射的方法和终端 Download PDF

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Publication number
WO2012010060A1
WO2012010060A1 PCT/CN2011/076970 CN2011076970W WO2012010060A1 WO 2012010060 A1 WO2012010060 A1 WO 2012010060A1 CN 2011076970 W CN2011076970 W CN 2011076970W WO 2012010060 A1 WO2012010060 A1 WO 2012010060A1
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WO
WIPO (PCT)
Prior art keywords
terminal
transmit power
power
working mode
currently
Prior art date
Application number
PCT/CN2011/076970
Other languages
English (en)
French (fr)
Inventor
朱剑
Original Assignee
华为终端有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 华为终端有限公司 filed Critical 华为终端有限公司
Priority to EP11809248.5A priority Critical patent/EP2597913B1/en
Publication of WO2012010060A1 publication Critical patent/WO2012010060A1/zh
Priority to US13/726,860 priority patent/US8965311B2/en

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/28TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/288TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission taking into account the usage mode, e.g. hands-free, data transmission, telephone
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/06TPC algorithms
    • H04W52/14Separate analysis of uplink or downlink
    • H04W52/146Uplink power control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W52/00Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/04TPC
    • H04W52/18TPC being performed according to specific parameters
    • H04W52/28TPC being performed according to specific parameters using user profile, e.g. mobile speed, priority or network state, e.g. standby, idle or non transmission
    • H04W52/283Power depending on the position of the mobile
    • 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

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and a terminal for controlling signal transmission of a terminal. Background technique
  • SAR (Spec i f i c Absorpt i on Ra te ) is a radiation absorption index that defines the energy of electromagnetic radiation absorbed by the unit mass per unit time.
  • TRP wireless radiation power
  • the embodiments of the present invention provide a method and a terminal for controlling signal transmission of a terminal, which are beneficial to achieving the best wireless transmission and reception performance of the terminal under the same radiation absorption index.
  • the embodiment of the present invention provides the following technical solutions:
  • a method of controlling signal transmission of a terminal comprising:
  • the signal is transmitted according to the first transmit power; if the terminal is currently in the second working mode, the signal is transmitted according to the second transmit power, where The first transmit power is greater than the second transmit power.
  • a terminal comprising:
  • a monitoring module configured to monitor a current working mode of the terminal
  • a power control module configured to: when the monitoring module detects that the terminal is currently in the first working mode, perform signal transmission according to the first transmit power; and the monitoring module detects the When the terminal is currently in the second working mode, the signal is transmitted according to the second transmit power, where the first transmit power is greater than the second transmit power.
  • the embodiment of the present invention monitors the current working mode of the terminal, and uses different transmission powers for signal transmission according to the different working modes of the monitored terminal.
  • This mechanism improves the flexibility of signal transmission power control, and different work.
  • the mode uses different transmit powers, which is beneficial to enable the terminal to obtain the best possible wireless transceiver performance under the same radiation absorption index, thereby improving the user experience.
  • FIG. 1 is a flowchart of a method for controlling signal transmission of a terminal according to an embodiment of the present invention
  • FIG. 2 is a flowchart of another method for controlling signal transmission of a terminal according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
  • FIG. 3 is a schematic structural diagram of another terminal according to an embodiment of the present disclosure.
  • FIG. 3 is a schematic structural diagram of a power control submodule according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of another power control submodule according to an embodiment of the present invention.
  • the transmission power level of the terminal can be specified by the network side.
  • 3GPP 3rd Generation Partnership Project
  • the terminal transmission power level is specified. Number, and specifies the standard transmit power corresponding to each transmit power level, and allows the terminal to actually operate at the same transmit power level.
  • the transmit power has an error of 2 to 3 decibels (dB) from the standard transmit power.
  • dB decibels
  • the working mode when the terminal performs communication services can be divided into two types.
  • the working mode, the first working mode includes, for example, a working mode in which a user uses a headset (such as a Bluetooth headset, a wired headset, etc.) to make a call, a working mode in which a hands-free function is used for a call, or a data service transmission mode;
  • the second working mode includes a traditional voice calling mode, and the user needs to bring the ear to the earpiece of the terminal to make a normal call. .
  • the above distance or proximity may be defined as being greater than or less than a preset first distance threshold.
  • the value range of the first distance threshold may be defined according to actual needs. For example, the defined first distance threshold may be greater than 0.2 meters.
  • the terminal can automatically monitor its current working mode when performing business, and can also monitor its current working mode under the control of the user.
  • a plurality of implementation manners may be used to detect a current working mode of the terminal, for example, when the terminal performs a call service, if it detects that the terminal is connected to the wireless or wired headset, or detects that the terminal's hands-free button is pressed, or It is detected that the terminal is currently only performing data services, indicating that even if the terminal is far away from the user's body (for example, the head), the user can still use the terminal to perform normal services, and then determine that the terminal is in the first working mode at this time.
  • the terminal when the terminal conducts a call service, if the terminal senses that the user's body (for example, the head) is close to the terminal through the light sensor, or the distance sensor senses that the terminal is less than the first distance from the user's body (for example, the head). Width, and/or, detecting that the terminal is performing a call service without using a headset or a hands-free function, etc., even if the terminal is far away from the user's body (eg, the head) at least the first distance is wide, the user can still use the terminal to perform normal services.
  • the terminal senses that the user's body (for example, the head) is close to the terminal through the light sensor, or the distance sensor senses that the terminal is less than the first distance from the user's body (for example, the head). Width, and/or, detecting that the terminal is performing a call service without using a headset or a hands-free function, etc., even if the terminal is far away from the user's body (eg
  • the working mode indicates that the terminal and the user's body may need to use the terminal to perform normal services when the user is in close proximity, and then determine that the terminal is in the second working mode at this time, and so on. 120. If the terminal is currently in the first working mode, the signal is transmitted according to the first transmit power. If the terminal is currently in the second working mode, the signal is transmitted according to the second transmit power, where the first transmit power Greater than the second transmit power.
  • the signal is transmitted according to the enhanced transmit power of the standard transmit power and the first power threshold corresponding to the currently indicated transmit power level on the network side.
  • the value of the first power threshold may be set according to actual needs.
  • the first power threshold is usually less than or equal to the maximum error of the actual transmit power of the terminal under the same transmit power level allowed by the protocol.
  • the value of the power threshold can be, for example, 1 to 2 decibels.
  • the terminal may perform signal transmission according to, for example, the standard transmit power (or less than the standard transmit power) corresponding to the transmit power level currently indicated by the network side.
  • the solution of this embodiment may be specifically implemented on a terminal such as a mobile phone, and may be implemented on other similar communication devices, such as a tablet computer, a netbook, and the like.
  • FIG. 2 another embodiment of a method for controlling signal transmission of a terminal in an embodiment of the present invention may include:
  • Terminal A monitors its current working mode.
  • the working mode when the terminal A performs the communication service can be divided into two types.
  • One is that the user can still use the terminal A to perform the normal working mode when the terminal A is away from the user's body (for example, the head).
  • the first working mode is referred to as a first working mode.
  • the first working mode may include: a working mode in which a user uses a headset (such as a Bluetooth headset, a wired headset, etc.), a working mode in which a hands-free function is used for a call, or a data service transmission mode.
  • the other is the working mode in which the user can use the terminal A to perform normal business when the terminal A and the user's body are close to each other.
  • the second working mode is referred to as the second voice mode. For example, the user needs to bring the ear to the earpiece of the terminal A to make a normal call.
  • terminal A can automatically monitor its current working mode when performing services, or terminal A can monitor its current working mode under user control. If the terminal A detects that it is currently in the first working mode, step 202 is performed; if it is detected that it is currently in the second working mode, step 203 may be performed.
  • the above distance or proximity may be defined as being greater than or less than a preset first distance threshold.
  • the value range of the first distance threshold may be defined according to actual needs. For example, the defined first distance threshold may be greater than 0.2 meters.
  • terminal A detects the current working mode
  • the terminal A performs a call service, if it detects that the terminal A is connected to the wireless or wired headset, or detects that the hands-free button of the terminal A is pressed (ie, uses the hands-free function), or detects the terminal.
  • the terminal A performs a call service, if it detects that the terminal A is connected to the wireless or wired headset, or detects that the hands-free button of the terminal A is pressed (ie, uses the hands-free function), or detects the terminal.
  • only the data service is performed, indicating that the terminal A is in the first working mode at this time, even if the user can still perform the service normally by using the terminal A when the terminal A is away from the user's body (for example, the head).
  • the terminal A when the terminal A conducts a call service, if the terminal senses that the user's body (for example, the head) is close to the terminal through the light sensor, or the distance sensor senses that the terminal is farther away from the user's body (for example, the head) than the first one.
  • the terminal A performs signal transmission according to the standard transmit power corresponding to the currently indicated transmit power level of the network side, and the enhanced transmit power of the first power threshold.
  • the value of the first power threshold may be set according to actual needs.
  • the first power threshold needs to be less than or equal to the maximum error of the actual transmit power of the terminal under the same transmit power level allowed by the protocol.
  • the value of the power threshold can be, for example, 1 to 2 decibels.
  • the signal is transmitted, the signal is output from the RF transceiver of the terminal, amplified by the power amplifier, and transmitted to the antenna for transmission through the clutch.
  • the coupler couples a portion of the power feedback from the transmit power to RF transceiver for power detection.
  • the G1 power meter and the G2 power meter can be preset in the terminal A, wherein the G1 power meter records the correspondence between the output power of the radio frequency transceiver of the terminal A and the output power of the antenna port, and can change the output of the radio transceiver Power, simultaneously detect the output power of the antenna port, obtain the G1 power meter, and the G1 power meter serves as the basis for the open-loop power control of the circuit; at the same time, it can detect the power of the coupler feedback back to the RF transceiver (referred to as the coupled power), the G2 power meter It is used to record the correspondence between the combined power of the vehicle and the power of the antenna port.
  • the G2 power meter serves as the basis for the closed-loop power control of the circuit.
  • the G3 power meter and the G4 power meter may be further preset in the terminal A, wherein the G3 power meter is used to record the correspondence between each transmit power level and the standard transmit power; the G4 power meter is used to record each transmit power level and The corresponding relationship of the enhanced transmit power, wherein the enhanced transmit power corresponding to each transmit power level may be greater than the corresponding standard transmit power by the first power threshold.
  • terminal A can search for a preset G4 power table according to the currently indicated transmission power level of the network side, and find an enhanced transmission corresponding to the transmission power level.
  • the power level is then controlled by the RF transceiver to output an initial power corresponding to the found enhanced transmit power according to the table G1, and then detect the power obtained from the feedback of the combiner, and dynamically adjust the output power of the RF transceiver to meet Corresponding relationship in the G2 power meter, until the output power of the antenna port satisfies the corresponding relationship in the G4 power meter, and finally the terminal A performs signal transmission according to the enhanced transmit power corresponding to the currently indicated transmission power level of the found network side.
  • the terminal A performs signal transmission according to a standard transmit power corresponding to a transmit power level currently indicated by the network side.
  • terminal A can search for a preset G3 power table according to the currently indicated transmission power level of the network side, and find the standard transmission corresponding to the transmission power level. The power level, then control the RF transceiver to output an initial power corresponding to the found standard transmit power according to the table G1, and then detect the power obtained from the feedback of the combiner, and dynamically adjust the output power of the RF transceiver to meet Corresponding relationship in the G2 power meter, until the output power of the antenna port satisfies the corresponding relationship in the G3 power meter, and finally the terminal A performs signal transmission according to the standard transmission power corresponding to the currently indicated transmission power level of the found network side.
  • the terminal A currently accesses a Wideband Code Division Multiple Access (WCDMA) system, and the WCDMA base station instructs the terminal A to transmit according to the 15th transmission power level, for example, an agreement.
  • the standard transmit power corresponding to the 15th transmit power level is 24 dB
  • the enhanced transmit power corresponding to the 15th transmit power level recorded by the G4 power meter preset in the terminal A is, for example, 25.5 dB.
  • Terminal A monitors its current working mode. If it finds that it is currently making a call through the Bluetooth headset, that is, terminal A is currently in the first working mode, terminal A searches for the G4 power meter, according to the 15th transmission power level recorded in the G4 power meter. Corresponding 25.5 dB of enhanced transmit power for signal transmission, which improves the quality of service for some poor signal locations;
  • terminal A monitors that it is currently in the traditional voice call mode, the user needs to bring the ear closer to the handset of terminal A to make a normal call, that is, terminal A is currently in the second working mode, and terminal A can look up the G3 power meter according to G3.
  • the standard transmission power corresponding to the 15th transmission power level recorded in the power meter is used for signal transmission.
  • a terminal 300 monitors its current working mode.
  • the standard transmitting power is increased according to the current transmitting power level corresponding to the network side.
  • the transmit power is used for signal transmission.
  • a monitoring and judging mechanism for the working mode of the terminal and a flexible adjustment mechanism for the transmitting power of the terminal it is advantageous to enable the terminal to obtain the best wireless transceiver performance under the same radiation absorption index, thereby improving the user experience.
  • a terminal is further provided in the embodiment of the present invention. Referring to FIG. 3, a terminal 300 provided by an embodiment of the present invention may include: a monitoring module 310 and a power control module 320.
  • the monitoring module 310 is configured to monitor a current working mode of the terminal.
  • the working mode of the terminal 300 when performing services may be divided into two types.
  • One is a working mode in which the user can still use the terminal 300 to perform normal services when the terminal 300 is away from the user's body (for example, the head).
  • the first working mode for example, includes: a working mode in which a user uses a headset (such as a Bluetooth headset, a wired headset, etc.) to make a call, a working mode in which a hands-free function is used for a call, or a data service transmission mode.
  • the other is the working mode in which the user can use the terminal 300 to perform normal business when the terminal 300 is close to the user's body.
  • the second working mode includes, for example, a traditional voice calling mode, and the user needs to bring the ear to the earpiece of the terminal 300 to make a normal call;
  • the above distance and proximity may be defined as being greater than or less than a predetermined first distance threshold.
  • the value range of the first distance threshold may be defined according to actual needs. For example, the defined first distance threshold may be greater than 0.2 meters.
  • the monitoring module 310 can automatically monitor its current working mode when performing business, and can also monitor its current working mode under the control of the user.
  • the specific manner in which the monitoring module 310 detects the current working mode of the terminal 300 may be various. For example, when the terminal 300 performs a call service, if the terminal 300 is detected to be connected to the wireless or wired headset, or the terminal is detected. The hands-free button of the 300 is pressed (ie, using the hands-free function), or it is detected that the terminal is currently only performing data services, indicating that the user is still at least the first distance away from the user's body (eg, the head) at this time. The terminal 300 can be used to perform normal services, and it is determined that the terminal 300 is in the first working mode at this time.
  • the terminal 300 when the terminal 300 performs the call service, if the monitoring module 310 of the terminal 300 senses that the user's body (for example, the head) is close to the terminal 300 through the light sensor, or the monitoring module 310 of the terminal 300 senses the time through the distance sensor.
  • the terminal 300 is less than the first distance threshold from the user's body (eg, the head), and/or detects that the terminal 300 does not use the headset or the hands-free function, etc., even if the terminal 300 is away from the user's body (eg, the head) at least the first distance is wide.
  • the user can still use the working mode of the terminal 300 to perform the service normally. It indicates that the terminal 300 and the user's body may need to use the terminal 300 to perform normal services when the user is in close proximity. Working mode, and so on.
  • the monitoring module 310 is specifically configured to: if it is detected that the terminal 300 that is performing the call service is connected to the headset or uses the hands-free function, or detects that the terminal 300 is currently only performing data services, determining that the terminal 300 is in the The first working mode; if the terminal 300 that is in the call service is detected by the light sensor is close to the user's body, or the distance sensor detects that the terminal 300 that is conducting the call service is smaller than the first distance from the user's body, or detects If the terminal 300 that is conducting the call service does not use the headset or the hands-free function, it is determined that the terminal 300 is in the second mode of operation.
  • the power control module 320 is configured to: when the monitoring module 310 detects that the terminal is currently in the first working mode, perform signal transmission according to the first transmitting power; when the monitoring module 310 detects that the terminal is currently in the second working mode, according to the second transmitting Power transmission, wherein the first transmission The power is greater than the second transmit power.
  • the power control module 320 may include: a first power control sub-module 321 configured to: when the monitoring module 310 detects that the terminal is currently in the first working mode, The enhanced transmit power of the standard transmit power corresponding to the transmit power level corresponding to the first power threshold is currently transmitted.
  • the power control module 320 can also include:
  • the second power control sub-module 322 is configured to monitor, in the monitoring module 310, that the terminal is currently in the second working mode, and perform signal transmission according to the standard transmit power (or less than the standard transmit power) corresponding to the currently indicated transmit power level of the network side.
  • the first power control sub-module 321 can include: a power search sub-unit 3211, configured to: when the monitoring module 310 detects that the terminal is currently in the first working mode, according to the network side current Instructing the transmit power level to search for a preset G4 power table, wherein the G4 power table records a correspondence between each transmit power level and the enhanced transmit power, and the enhanced transmit power corresponding to each transmit power level is greater than its corresponding standard transmit power. Large first power threshold;
  • the power control sub-unit 3212 is configured to perform signal transmission according to the enhanced transmit power corresponding to the transmit power level currently indicated by the network side found by the power lookup subunit 3211.
  • the second power control sub-module 322 may include: a second power search sub-unit 3221, configured to: when the monitoring module 310 detects that the terminal is currently in the second working mode, according to the network The side currently indicates a transmit power level to search for a preset G3 power table, and the G3 power table records a correspondence between each transmit power level and a standard transmit power;
  • the second power control sub-unit 3222 is configured to perform signal transmission according to the standard transmit power corresponding to the currently indicated transmission power level of the network side found by the second power search sub-unit 3221.
  • the first working mode is one or more of the following working modes: a working mode in which a call is made by using a headset, a working mode in which a call is made using a hands-free function, and a data service transmission mode.
  • the first power threshold may range from 1 to 2 decibels.
  • the terminal 300 in this embodiment may be used as the terminal A in the foregoing method embodiment, and may be used to implement all the technical solutions in the foregoing method embodiments, and the functions of the various functional modules.
  • the method in the foregoing method embodiment may be specifically implemented.
  • the terminal monitors its current working mode, and when detecting that the terminal is currently in a working mode that can be away from the user's body for performing services, the standard transmitting power is larger according to the current transmitting power level corresponding to the network side.
  • the enhanced transmit power is used for signal transmission.
  • the program may be stored in a computer readable storage medium, and the storage medium may include: Read-only memory (ROM, Read-Only Memory) or random access memory (RAM, Random Access Memory), disk or optical disk.
  • ROM Read-only memory
  • RAM Random Access Memory

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

Description

控制终端信号发射的方法和终端 技术领域
本发明涉及通信技术领域, 具体涉及控制终端信号发射的方法和终端。 背景技术
当前, 手机等通讯终端在很多地区都已经有较高的普及率, 手机的 电磁辐射问题一直受到业界关注。
SAR ( Spec i f i c Absorpt i on Ra te ) 是一种定义生物体单位时间内单 位质量所吸收的电磁辐射能量的辐射吸收指标。
电信运营商的服务范围通常是有局限的, 在一些边缘的地区, 基站 的信号覆盖减弱, 终端容易出现通话掉线或失去服务的情况。 此时, 终 端需要提高自身的无线收发性能, 以得到更好的服务。 其中, 提高终端 的无线辐射功率 (TRP, To ta l Rad i a t ed Power ) 指标是提高终端无线收 发能力的一种常用手段。
因此, 如何较好的平衡终端的无线收发性能和辐射吸收指标, 实现 在相同辐射吸收指标下让终端获得尽可能好的无线收发性能, 是当前一 个很有积极意义的研究课题。 发明内容
本发明实施例提供一种控制终端信号发射的方法和终端, 有利于实现 在同等辐射吸收指标下让终端获得尽可能好的无线收发性能。
为解决上述技术问题, 本发明实施例提供以下技术方案:
一种控制终端信号发射的方法, 包括:
监测终端当前的工作模式;
若监测到所述终端当前处于第一工作模式, 则按照第一发射功率进行 信号发射; 若监测到所述终端当前处于第二工作模式, 则按照第二发射功 率进行信号发射, 其中, 所述第一发射功率大于所述第二发射功率。
一种终端, 包括:
监测模块, 用于监测终端当前的工作模式;
功率控制模块, 用于在所述监测模块监测到所述终端当前处于第一工 作模式时, 按照第一发射功率进行信号发射; 在所述监测模块监测到所述 终端当前处于第二工作模式时, 按照第二发射功率进行信号发射, 其中, 所述第一发射功率大于所述第二发射功率。
由上可见, 本发明实施例监测终端当前的工作模式, 根据监测到的终 端所处的不同工作模式, 采用不同的发送功率进行信号发射, 该机制提高 了信号发射功率控制的灵活性, 不同工作模式采用不同的发射功率, 有利 于实现在同等辐射吸收指标下让终端获得尽可能好的无线收发性能, 进 而提高用户的使用体验。 附图说明
为了更清楚地说明本发明实施例中的技术方案, 下面将对实施例描述 中所需要使用的附图作简单地介绍, 显而易见地, 下面描述中的附图仅仅 是本发明的一些实施例, 对于本领域普通技术人员来讲, 在不付出创造性 劳动性的前提下, 还可以根据这些附图获得其他的附图。
图 1是本发明实施例提供的一种控制终端信号发射的方法流程图; 图 2-a是本发明实施例提供的另一种控制终端信号发射的方法流程图; 图 2-b是本发明实施例提供的一种终端功率放大电路示意图;
图 3-a是本发明实施例提供的一种终端结构示意图;
图 3-b是本发明实施例提供的另一种终端结构示意图;
图 3 -c是本发明实施例提供的一种功率控制子模块结构示意图; 图 3-d是本发明实施例提供的另一种功率控制子模块结构示意图。 具体实肺式
下面将结合本发明实施例中的附图, 对本发明实施例中的技术方案进 行清楚、 完整地描述, 显然, 所描述的实施例仅仅是本发明一部分实施例, 而不是全部的实施例。 基于本发明中的实施例, 本领域普通技术人员在没 有做出创造性劳动前提下所获得的所有其他实施例, 都属于本发明保护的 范围。
在进行业务时, 终端的发射功率等级可由网络侧指定, 在如第三代移 动通信标准化伙伴项目 ( 3GPP, 3rd Generation Partnership Project )协议中, 对于不同的通信系统, 规定了终端发射功率等级的个数, 并规定了每个发 射功率等级对应的标准发射功率, 并且允许相同发射功率等级下终端实际 发射功率较标准发射功率有 2 ~ 3分贝 (dB ) 的误差。 下面通过具体实施例进行详细描述。 参见图 1、 本发明实施例中控制终 端信号发射的方法的一个实施例, 可以包括:
110、 监测终端当前的工作模式;
在一种应用场景下, 终端进行通信业务时的工作模式可分为两种, 一 种是在终端远离用户身体(例如头部) 用户仍能够利用终端正常进行业务 的工作模式, 以下简称第一工作模式, 第一工作模式例如包括: 用户利用 耳机(例如蓝牙耳机、 有线耳机等)进行通话的工作模式、 使用免提功能 进行通话的工作模式或数据业务传输模式等工作模式; 另一种是在终端和 用户身体接近时用户才能利用终端正常进行业务的工作模式, 以下简称第 二工作模式, 第二工作模式例如包括传统的语音通话模式, 用户需要将耳 朵靠近终端的听筒才能正常的进行通话。
上述的远离或者接近, 可以定义为大于或者小于一个预设的第一距离 阔值。 其中, 第一距离阔值的取值范围可根据实际需要进行定义, 例如定 义的第一距离阔值的取值范围为大于 0.2米。
在具体实施时, 终端可以在进行业务时自动监测其当前的工作模式, 当然也可以在用户的控制下监测其当前的工作模式。
可以采用多种实现方式来检测终端当前工作模式, 举例来说, 例如当 终端进行通话业务时, 若检测到终端与无线或有线耳机连通了, 或者检测 到终端的免提键被按下, 或者检测到终端目前仅在进行数据业务, 表明此 时即使终端远离用户身体(例如头部),用户仍能够利用终端正常进行业务, 则确定出终端此时处于第一工作模式。 又如当终端进行通话业务时, 若终 端通过光线感应器感应到用户的身体(例如头部)接近终端, 或通过距离 感应器感应到此时终端距离用户身体(例如头部) 小于第一距离阔值, 和 / 或, 检测到终端正在进行通话业务而并未使用耳机或免提功能等即使终端 远离用户身体(例如头部) 至少第一距离阔值时用户仍能够利用终端正常 进行业务的工作模式, 表明此时终端和用户身体可能需要在保持很近距离 时用户才能利用终端正常进行业务, 则确定出终端此时处于第二工作模式, 依此类推。 120、 若监测到终端当前处于第一工作模式, 则按照第一发射功率进行 信号发射; 若监测到终端当前处于第二工作模式, 则按照第二发射功率进 行信号发射, 其中, 第一发射功率大于第二发射功率。
在一个实施例中, 若监测到终端当前处于第一工作模式, 按照比网络 侧当前指示发射功率等级对应的标准发射功率大第一功率阔值的增强发射 功率进行信号发射。
其中, 第一功率阔值的取值可以根据实际需要进行设定, 当然第一功 率阔值通常小于或等于协议允许的相同发射功率等级下终端实际发射功率 较标准发射功率的最大误差, 第一功率阔值的取值例如可以是 1 ~ 2分贝。
进一步的, 若监测到终端当前处于第二工作模式, 则终端例如可按照 网络侧当前指示发射功率等级对应的标准发射功率(或小于标准发射功率) 进行信号发射。
需要说明的是, 本实施例的方案可以在例如手机等终端上具体实施, 当然也可以在其它类似的通讯设备上实施, 例如平板电脑、 上网本等。
由上可见, 本实施例监测终端当前的工作模式, 根据监测到的终端所 处的不同工作模式, 采用不同的发送功率进行信号发射, 该机制提高了信 号发射功率控制的灵活性, 不同工作模式采用不同的发射功率, 有利于实 现在同等辐射吸收指标下让终端获得尽可能好的无线收发性能, 进而提 高用户的使用体验。 为便于更好的理解本发明实施例的技术方案,下面以控制终端 A信号发 射的过程为例进行进一步的说明。 参见图 2, 本发明实施例中控制终端信号 发射的方法的另一个实施例, 可以包括:
201、 终端 A监测自身当前的工作模式。
在一种应用场景下, 终端 A进行通信业务时的工作模式可分为两种, 一 种是在终端 A远离用户身体(例如头部) 时用户仍能够利用终端 A正常进行 业务的工作模式, 以下简称第一工作模式, 第一工作模式例如可以包括: 用户利用耳机(例如蓝牙耳机、 有线耳机等)进行通话的工作模式、 使用 免提功能进行通话的工作模式或数据业务传输模式等工作模式; 另一种是 在终端 A和用户身体接近时用户才能利用终端 A正常进行业务的工作模式, 以下简称第二工作模式, 第二工作模式例如包括传统的语音通话模式, 用 户需要将耳朵靠近终端 A的听筒才能正常的进行通话。
在实际应用中,终端 A例如可以在进行业务时自动监测自身当前的工作 模式, 或者终端 A也可以在用户控制下监测自身当前的工作模式。 其中, 若 终端 A监测到自身当前处于第一工作模式, 执行步骤 202; 若监测到自身当 前处于第二工作模式, 则可执行步骤 203。
上述的远离或者接近, 可以定义为大于或者小于一个预设的第一距离 阔值。 其中, 第一距离阔值的取值范围可根据实际需要进行定义, 例如定 义的第一距离阔值的取值范围为大于 0.2米。
终端 A检测当前工作模式的具体方式可以是多种多样的。举例来说, 如 当终端 A进行通话业务时, 若检测到终端 A与无线或有线耳机连通了, 或者 检测到终端 A的免提键被按下 (即使用免提功能), 或者检测到终端目前仅 在进行数据业务, 表明此时即使终端 A远离用户身体(例如头部)时用户仍 能够利用终端 A正常进行业务, 则确定出终端 A此时处于第一工作模式。 又 如当终端 A进行通话业务时, 若终端通过光线感应器感应到用户的身体(例 如头部)接近终端, 或通过距离感应器感应到此时终端距离用户身体(例 如头部) 小于第一距离阔值, 和 /或, 检测到终端 A正在进行通话业务而并 未使用耳机或免提功能等即使终端 A远离用户身体(例如头部)时用户仍能 够利用终端 A正常进行业务的工作模式, 表明此时终端 A和用户身体可能需 要在保持很近距离时用户才能利用终端 A正常进行业务, 则确定出终端 A此 时处于第二工作模式, 以此类推。
202、 终端 A按照比网络侧当前指示发射功率等级对应的标准发射功率 大第一功率阔值的增强发射功率进行信号发射。
其中, 第一功率阔值的取值可根据实际需要进行设定, 当然第一功率 阔值需要小于或等于协议允许的相同发射功率等级下终端实际发射功率较 标准发射功率的最大误差, 第一功率阔值的取值例如可以是 1 ~ 2分贝。
参见如图 2-b所示的终端功率放大电路示意图, 在进行信号发射是, 信 号从终端的射频收发信机输出后, 经过功率放大器的放大, 通过輛合器, 输送到天线进行发射, 同时耦合器从发射功率中耦合出一部份功率反馈到 射频收发信机, 供功率检测使用。
可在终端 A中预置 G1功率表和 G2功率表, 其中, G1功率表记录终端 A 的射频收发信机的输出功率和天线端口的输出功率的对应关系, 可通过改 变射频收发信机的输出功率, 同时检测天线端口的输出功率, 获得 G1功率 表, G1功率表作为电路开环功率控制的依据; 同时可检测耦合器反馈回射 频收发信机的功率 (简称耦合功率) 大小, G2功率表用于记录輛合功率和 天线口功率的对应关系, G2功率表作为电路闭环功率控制的依据。
还可在终端 A中进一步预置 G3功率表和 G4功率表, 其中, G3功率表用 于记录每个发射功率等级与标准发射功率的对应关系; G4功率表用于记录 每个发射功率等级与增强发射功率的对应关系, 其中, 每个发射功率等级 对应的增强发射功率可比其对应的标准发射功率大第一功率阔值。
在一种应用场景下, 若终端 A监测到自身当前处于第一工作模式, 终端 A例如可根据网络侧当前指示发射功率等级查找预置的 G4功率表, 查找到 该发射功率等级对应的增强发射功率大小, 然后控制射频收发信机按照表 格 G1输出一个与查找到增强发射功率对应的初始功率, 然后检测从輛合器 反馈得到的功率大小, 并通过动态调整射频收发信机的输出功率以满足 G2 功率表中的对应关系, 直到让天线口的输出功率满足 G4功率表中的对应关 系,最终实现终端 A按照查找到的网络侧当前指示发射功率等级对应的增强 发射功率进行信号发射。
203、 终端 A按照网络侧当前指示发射功率等级对应的标准发射功率进 行信号发射。
在一种应用场景下, 终端 A若监测到自身当前处于第二工作模式, 终端 A例如可根据网络侧当前指示发射功率等级查找预置的 G3功率表, 查找到 该发射功率等级对应的标准发射功率大小, 然后控制射频收发信机按照表 格 G1输出一个与查找到标准发射功率对应的初始功率, 然后检测从輛合器 反馈得到的功率大小, 并通过动态调整射频收发信机的输出功率以满足 G2 功率表中的对应关系, 直到让天线口的输出功率满足 G3功率表中的对应关 系,最终实现终端 A按照查找到的网络侧当前指示发射功率等级对应的标准 发射功率进行信号发射。 下面通过一个实例进行进一步说明,例如终端 A当前接入的是宽带码 多址接入 ( WCDMA, Wideband Code Division Multiple Access ) 系统, WCDMA的基站指示终端 A按照第 15发射功率等级进行发射,例如协议规定 的第 15发射功率等级对应的标准发射功率为 24dB, 终端 A预置的 G4功率表 记录的第 15发射功率等级对应的增强发射功率例如为 25.5 dB。
终端 A监测自身当前的工作模式,若发现自身当前正通过蓝牙耳机进行 通话, 即终端 A当前处于第一工作模式, 终端 A则查找 G4功率表, 按照 G4 功率表中记录的第 15发射功率等级对应的 25.5 dB的增强发射功率进行信号 发射, 对于一些信号较差的地方, 该方式可以提高业务质量;
若终端 A监测发现自身当前正处于传统的语音通话模式,用户需要将耳 朵靠近终端 A的听筒才能正常的进行通话, 即终端 A当前处于第二工作模 式, 终端 A可查找 G3功率表, 按照 G3功率表中记录的第 15发射功率等级对 应的 24dB的标准发射功率进行信号发射。
由上可见, 本实施例终端监测自身当前的工作模式, 当监测到终端当 前处于可远离用户身体进行业务的工作模式时, 按照比网络侧当前指示发 射功率等级对应的标准发射功率更大的增强发射功率进行信号发射。 通过 引入对终端工作模式的监测判断机制, 以及终端发射功率的灵活调整机制, 有利于实现在同等辐射吸收指标下让终端获得尽可能好的无线收发性 能, 进而提高用户的使用体验。 为便于更好的实施本发明实施例的技术方案, 本发明实施例中还提供 一种终端。 参见图 3, 本发明实施例提供的一种终端 300, 可以包括: 监测 模块 310和功率控制模块 320。
其中, 监测模块 310, 用于监测终端当前的工作模式。
在一种应用场景下, 终端 300进行业务时的工作模式可分为两种, 一种 是在终端 300远离用户身体(例如头部) 时用户仍能够利用终端 300正常进 行业务的工作模式, 简称第一工作模式, 第一工作模式例如包括: 用户利 用耳机(例如蓝牙耳机、 有线耳机等) 进行通话的工作模式、 使用免提功 能进行通话的工作模式或数据业务传输模式等工作模式。 另一种则是在终 端 300和用户身体接近时用户才能利用终端 300正常进行业务的工作模式, 简称第二工作模式, 第二工作模式例如包括传统的语音通话模式, 用户需 要将耳朵靠近终端 300的听筒才能正常的进行通话;
上述的远离和接近, 可以分别定义为大于或者小于一个预设的第一距 离阔值。 其中, 第一距离阔值的取值范围可根据实际需要进行定义, 例如 定义的第一距离阔值的取值范围为大于 0.2米。
在具体实施时, 监测模块 310可以在进行业务时自动监测其当前的工作 模式, 当然也可以在用户的控制下监测其当前的工作模式。
监测模块 310检测终端 300当前工作模式的具体方式可以是多种多样 的, 举例来说, 例如, 当终端 300进行通话业务时, 若检测到终端 300与无 线或有线耳机连通了, 或者检测到终端 300的免提键被按下(即使用免提功 能), 或者检测到终端目前仅在进行数据业务, 表明此时即使终端 300远离 用户身体(例如头部)至少第一距离阔值时用户仍能够利用终端 300正常进 行业务, 则确定出终端 300此时处于第一工作模式。 又如当终端 300进行通 话业务时,若终端 300的监测模块 310通过光线感应器感应到用户的身体(例 如头部)接近终端 300, 或终端 300的监测模块 310通过距离感应器感应到此 时终端 300距离用户身体(例如头部)小于第一距离阔值, 和 /或, 检测到终 端 300并未使用耳机或免提功能等即使终端 300远离用户身体(例如头部) 至少第一距离阔值时用户仍能够利用终端 300正常进行业务的工作模式, 表 明此时终端 300和用户身体可能需要在保持很近距离时用户才能利用终端 300正常进行业务, 则确定出终端 300此时处于第二工作模式, 依此类推。
在一个实施例中, 监测模块 310具体可以用于, 若检测到正进行通话业 务的终端 300与耳机连通或使用免提功能, 或者检测到终端 300当前只在进 行数据业务, 则确定终端 300处于第一工作模式; 若通过光线感应器感应到 正进行通话业务的终端 300接近用户身体, 或通过距离感应器感应到正进行 通话业务的终端 300距离用户身体小于第一距离阔值, 或检测到正进行通话 业务的终端 300未使用耳机或免提功能, 则确定终端 300处于第二工作模式。
功率控制模块 320, 用于在监测模块 310监测到终端当前处于第一工作 模式时, 按照第一发射功率进行信号发射; 在监测模块 310监测到终端当前 处于第二工作模式时, 按照第二发射功率进行信号发射, 其中, 第一发射 功率大于第二发射功率。
参见图 3-b, 在一种应用场景下, 功率控制模块 320可以包括: 第一功率控制子模块 321, 用于在监测模块 310监测到终端当前处于第 一工作模式时, 则按照比网络侧当前指示发射功率等级对应的标准发射功 率大第一功率阔值的增强发射功率进行信号发射。
功率控制模块 320还可以包括:
第二功率控制子模块 322, 用于在监测模块 310监测到终端当前处于第 二工作模式, 按照网络侧当前指示发射功率等级对应的标准发射功率 (或 小于标准发射功率)进行信号发射。
参见图 3-c, 在一种应用场景下, 第一功率控制子模块 321可包括: 功率查找子单元 3211, 用于在监测模块 310监测到终端当前处于第一工 作模式时, 根据网络侧当前指示发射功率等级查找预置的 G4功率表, 其中, 该 G4功率表记录有每个发射功率等级与增强发射功率的对应关系, 每个发 射功率等级对应的增强发射功率比其对应的标准发射功率大第一功率阔 值;
功率控制子单元 3212, 用于根据功率查找子单元 3211查找到的网络侧 当前指示发射功率等级对应的增强发射功率进行信号发射。
参见图 3-d, 在一种应用场景下, 第二功率控制子模块 322可以包括: 第二功率查找子单元 3221, 用于在监测模块 310监测到终端当前处于第 二工作模式时, 根据网络侧当前指示发射功率等级查找预置的 G3功率表, 该 G3功率表记录有每个发射功率等级与标准发射功率的对应关系;
第二功率控制子单元 3222, 用于根据第二功率查找子单元 3221查找到 的网络侧当前指示发射功率等级对应的标准发射功率进行信号发射。
在一种应用场景下, 第一工作模式为以下工作模式的其中一种或多种: 利用耳机进行通话的工作模式、 使用免提功能进行通话的工作模式、 数据业务传输模式。
在一种应用场景下, 第一功率阔值的取值范围可以为 1 ~ 2分贝。
需要说明的是, 本实施例终端 300可以如上述方法实施例中的终端 A, 可以用于实现上述方法实施例中的全部技术方案, 其各个功能模块的功能 可以根据上述方法实施例中的方法具体实现, 其具体实现过程可参照上述 实施例中的相关描述, 此处不再赘述。
需要说明的是, 对于前述的各方法实施例, 为了简单描述, 故将其都 表述为一系列的动作组合, 但是本领域技术人员应该知悉, 本发明并不受 所描述的动作顺序的限制, 因为依据本发明, 某些步骤可以采用其他顺 序或者同时进行。 其次, 本领域技术人员也应该知悉, 说明书中所描述 的实施例均属于优选实施例, 所涉及的动作和模块并不一定是本发明所 必须的。
在上述实施例中, 对各个实施例的描述都各有侧重, 某个实施例中 没有详述的部分, 可以参见其他实施例的相关描述。
综上, 本发明实施例中, 终端监测自身当前的工作模式, 当监测到终 端当前处于可远离用户身体进行业务的工作模式时, 按照比网络侧当前指 示发射功率等级对应的标准发射功率更大的增强发射功率进行信号发射。 通过引入对终端工作模式的监测判断机制, 以及终端发射功率的灵活调整 机制, 有利于实现在同等辐射吸收指标下让终端获得尽可能好的无线收 发性能, 进而提高用户的使用体验。
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分 步骤是可以通过程序来指令相关的硬件来完成, 该程序可以存储于一计算 机可读存储介质中,存储介质可以包括:只读存储记忆体( ROM, Read-Only Memory )或随机存储记忆体 ( RAM , Random Access Memory )、 磁盘或光 盘等。
以上对本发明实施例所提供的控制终端信号发射的方法和终端进行了 以上实施例的说明只是用于帮助理解本发明的方法及其核心思想; 同时, 对于本领域的一般技术人员, 依据本发明的思想, 在具体实施方式及应用 范围上均会有改变之处, 综上所述, 本说明书内容不应理解为对本发明的 限制。

Claims

权利要求
1、 一种控制终端信号发射的方法, 其特征在于, 包括:
监测终端当前的工作模式;
若监测到所述终端当前处于第一工作模式, 则按照第一发射功率进行 信号发射; 若监测到所述终端当前处于第二工作模式, 则按照第二发射功 率进行信号发射, 其中, 所述第一发射功率大于所述第二发射功率。
2、 根据权利要求 1所述的方法, 其特征在于, 所述第一工作模式为在 终端距离用户身体至少第一距离阔值时用户仍能够利用所述终端正常进行 业务的工作模式,
所述按照第一发射功率进行信号发射, 包括:
按照比网络侧当前指示发射功率等级对应的发射功率大第一功率阔值 的增强发射功率进行信号发射。
3、 根据权利要求 1或 2所述的方法, 其特征在于,
所述监测终端当前的工作模式, 包括:
若检测到正进行通话业务的所述终端与耳机连通或使用免提功能, 或 者检测到所述终端当前只在进行数据业务, 则确定所述终端处于第一工作 模式;
若通过光线感应器感应到正进行通话业务的所述终端接近用户身体, 或通过距离感应器感应到正进行通话业务的所述终端距离用户身体小于第 一距离阔值, 或检测到正进行通话业务的所述终端未使用耳机或免提功能, 则确定所述终端处于第二工作模式。
4、 根据权利要求 2或 3所述的方法, 其特征在于,
所述按照比网络侧当前指示发射功率等级对应的标准发射功率大第一 功率阈值的增强发射功率进行信号发射, 包括:
根据网络侧当前指示发射功率等级查找预置的 G4功率表, 其中, 所述 G4功率表记录有每个发射功率等级与增强发射功率的对应关系, 所述发射 功率等级对应的增强发射功率比其对应的标准发射功率大第一功率阔值; 根据所述查找到的网络侧当前指示发射功率等级对应的增强发射功率 进行信号发射。
5、 根据权利要求 1至 4任一项所述的方法, 其特征在于, 所述第一工作 模式为以下工作模式的其中一种或多种:
利用耳机进行通话的工作模式、 使用免提功能进行通话的工作模式、 数据业务传输模式。
6、 根据权利要求 2至 4任一项所述的方法, 其特征在于,
所述第一功率阔值的取值范围为 1 ~ 2分贝。
7、 一种终端 (300), 其特征在于, 包括:
监测模块(310), 用于监测所述终端 (300) 当前的工作模式; 功率控制模块( 320 ),用于在所述监测模块( 310 )监测到所述终端( 300 ) 当前处于第一工作模式时, 按照第一发射功率进行信号发射; 在所述监测 模块(310)监测到所述终端 ( 300) 当前处于第二工作模式时, 按照第二 发射功率进行信号发射, 其中, 所述第一发射功率大于所述第二发射功率。
8、 根据权利要求 7所述的终端 (300), 其特征在于,
所述第一工作模式为在所述终端(300)距离用户身体至少第一距离阔 值时用户仍能够利用所述终端 (300)正常进行业务的工作模式,
所述功率控制模块(320) 包括:
第一功率控制子模块(321), 用于在所述监测模块(310)监测到所述 终端(300) 当前处于第一工作模式时, 按照比网络侧当前指示发射功率等 级对应的发射功率大第一功率阔值的增强发射功率进行信号发射。
9、 根据权利要求 7或 8所述的终端 (300), 其特征在于,
所述监测模块(310)具体用于, 若检测到正进行通话业务的所述终端 (300) 与耳机连通或使用免提功能, 或者检测到所述终端 (300) 当前只 在进行数据业务, 则确定所述终端处于第一工作模式; 若通过光线感应器 感应到正进行通话业务的所述终端 (300)接近用户身体, 或通过距离感应 器感应到正进行通话业务的所述终端(300)距离用户身体小于第一距离阔 值, 或检测到正进行通话业务的所述终端 (300) 未使用耳机或免提功能, 则确定所述终端 (300)处于第二工作模式。
10、 根据权利要求 8或 9所述的终端 (300), 其特征在于,
所述第一功率控制子模块(321 ) 包括: 功率查找子单元(3211 ), 用于在所述监测模块 (310 )监测到所述终 端(300 ) 当前处于第一工作模式时, 根据网络侧当前指示发射功率等级查 找预置的 G4功率表, 其中, 所述 G4功率表记录有每个发射功率等级与增强 发射功率的对应关系, 所述发射功率等级对应的增强发射功率比其对应的 标准发射功率大第一功率阔值;
功率控制子单元(3212 ), 用于根据所述功率查找子单元查找到的网络 侧当前指示发射功率等级对应的增强发射功率进行信号发射。
11、 根据权利要求 7-10任一项所述的终端(300 ), 其特征在于, 所述功 率控制模块(320 )还包括:
第二功率控制子模块(322 ), 用于在所述监测模块(310 )监测到所述 终端(300 ) 当前处于第二工作模式, 按照网络侧当前指示发射功率等级对 应的标准发射功率, 或小于所述标准发射功率进行信号发射。
12、 根据权利要求 11所述的终端 (300 ), 其特征在于, 所述第二功率 控制子单元(322 )具体包括:
第二功率查找子单元 (3221 ), 用于在所述监测模块(310 )监测到所 述终端(300 ) 当前处于第二工作模式时, 根据网络侧当前指示发射功率等 级查找预置的 G3功率表, 所述 G3功率表记录有每个发射功率等级与标准发 射功率的对应关系;
第二功率控制子单元 ( 3222 ), 用于根据所述第二功率查找子单元
( 3221 ) 查找到的网络侧当前指示发射功率等级对应的标准发射功率进行 信号发射。
13、 一种计算装置可读存储介质, 其特征在于, 所述存储介质中存储 有一计算机程序,所述程序用于指令计算装置执行如权利要求 1-6任一项所 述的方法。
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