WO2012071812A1 - 减少移动支付交易干扰的方法、装置及移动终端 - Google Patents

减少移动支付交易干扰的方法、装置及移动终端 Download PDF

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Publication number
WO2012071812A1
WO2012071812A1 PCT/CN2011/071262 CN2011071262W WO2012071812A1 WO 2012071812 A1 WO2012071812 A1 WO 2012071812A1 CN 2011071262 W CN2011071262 W CN 2011071262W WO 2012071812 A1 WO2012071812 A1 WO 2012071812A1
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Prior art keywords
module
payment transaction
radio frequency
mobile terminal
mobile
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PCT/CN2011/071262
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English (en)
French (fr)
Inventor
唐小峰
黄伟
魏红亮
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中兴通讯股份有限公司
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Publication of WO2012071812A1 publication Critical patent/WO2012071812A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present invention relates to the field of mobile terminal payment transaction technologies, and in particular, to a method, device and mobile terminal for reducing interference of mobile payment transactions. Background technique
  • MP3 and digital cameras have recently implemented mobile payment transactions using mobile terminals instead of bank cards, bus cards, and the like.
  • the main object of the present invention is to provide a method and device for reducing interference of mobile payment transactions.
  • mobile terminals designed to reduce the interference experienced by mobile payment transactions and increase the success rate of payment transactions.
  • the present invention provides a method for reducing interference in a mobile payment transaction, comprising the steps of: determining whether a payment transaction has been initiated;
  • SIM Subscriber Identity Module
  • NFC Near Field Communication
  • the determining whether the payment transaction has been initiated comprises:
  • the method further comprises:
  • the radio module's transmit function is restored, the SIM card's mutex variable is cleared, and other modules are allowed access to the SIM card.
  • the determining whether the payment transaction has ended comprises:
  • the button is detected during the payment transaction, and if the button is detected to be released, the payment transaction ends.
  • the present invention provides an apparatus for reducing interference in a mobile payment transaction, including:
  • a determining module configured to determine whether the payment transaction has been initiated
  • a radio frequency detecting module configured to detect, when the payment transaction has been started, whether the radio frequency module in the mobile terminal is in a transmitting state
  • the radio frequency management module is configured to: when the radio module in the mobile terminal is in a transmitting state, invoke the wireless manager to turn off the radio frequency module;
  • the mutex variable setting module is used to set the mutual exclusion variable accessed by the Subscriber Identity Module (SIM) card, and only allows the Near Field Communication (NFC) module to access the SIM card.
  • SIM Subscriber Identity Module
  • NFC Near Field Communication
  • the determining module includes:
  • the button detection sub-block is configured to determine whether the button used to pay the transaction in the mobile terminal is pressed for a long time, and if so, the payment start; otherwise, the payment transaction is not started.
  • the determining module is further configured to:
  • the mutually exclusive variable setting module is further configured to:
  • the radio module's transmit function is restored, the SIM card's mutex variable is cleared, and other modules are allowed access to the SIM card.
  • the button detection sub-block is further configured to:
  • the button is detected during the payment transaction, and if the button is detected to be released, the payment transaction ends.
  • the invention provides a mobile terminal, comprising an NFC module, a SIM card, a baseband chip and a radio frequency module, which further comprises means for reducing interference of mobile payment transactions, and the device for reducing interference of mobile payment transactions is provided with:
  • a determining module configured to determine whether the payment transaction has been initiated
  • a radio frequency detecting module configured to detect, when the payment transaction has been started, whether the radio frequency module in the mobile terminal is in a transmitting state
  • the radio frequency management module is configured to: when the radio frequency module in the mobile terminal is in a transmitting state, invoke the wireless manager to turn off the radio frequency module;
  • the mutex variable setting module is used to set the mutual exclusion variable accessed by the Subscriber Identity Module (SIM) card, and only allows the Near Field Communication (NFC) module to access the SIM card.
  • SIM Subscriber Identity Module
  • NFC Near Field Communication
  • the method, the device or the mobile terminal provided by the invention for reducing the interference of the mobile payment transaction by pressing a dedicated button for the payment transaction at the mobile terminal, pressing the card when paying
  • the mobile terminal first stops the work of the radio frequency module, so that it is in the transmitting off state, and eliminates the interference of the radio terminal to the NFC antenna of the mobile terminal; secondly, the mobile terminal is prohibited from accessing the SIM card, and the mobile terminal module is to the SIM card. All operations will be rejected, ensuring that the NFC module will not be interrupted when reading the SIM card, so that the interference of the mobile terminal radio and the mobile terminal reading and writing SIM card to the NFC module can be eliminated when the card is swiped, and the success rate of the card is improved.
  • Figure 1 is a schematic structural view of an NFC mobile phone
  • FIG. 2 is a schematic structural diagram of a payment transaction button according to an embodiment of the present invention.
  • FIG. 3 is a flow chart of a method for reducing interference of a mobile payment transaction according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of an apparatus for reducing interference of a mobile payment transaction according to an embodiment of the present invention
  • the mobile terminal may be a terminal having a mobile payment function such as a mobile phone.
  • a mobile phone a terminal having a mobile payment function
  • the present invention will be described in detail by taking a mobile phone as an example. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
  • FIG. 1 is a schematic diagram of the structure of an NFC mobile phone.
  • the NFC mobile phone includes a communication module such as a baseband chip, a keyboard, a radio frequency module, and an LCD (Liquid Crystal Display) display module.
  • the baseband chip controls a SIM (Subscriber Identity Module).
  • the NFC mobile phone also includes an NFC module, which includes an NFC control chip and an antenna.
  • NFC phones include wireless managers and more.
  • the Wireless Manager can perform operations on the RF module.
  • the NFC control chip can also control the SIM card.
  • the SIM card of the NFC mobile phone is a special card with a common SIM card and short-range wireless communication, which is controlled by the NFC control chip and the baseband chip.
  • FIG. 2 is a schematic structural diagram of a dedicated payment button according to an embodiment of the present invention.
  • Button includes one General keyboard, touch screen, or other 10 (Input/Output) interface to the baseband chip.
  • the button ⁇ ⁇ has a device external to the chip, and the baseband chip can read the state of the button.
  • the inventors of the present invention recognize that the failure to swipe a card in a mobile payment transaction may be caused by the following reasons:
  • the interference of the mobile phone radio to the NFC antenna causes the card reader to fail to detect the NFC phone or make an error during the payment process.
  • the signal of the NFC antenna is relatively weak, and it needs to be closely attached when the card is swiped, and the radio frequency signal of the mobile phone is relatively strong relative to the NFC, and the interference to the NFC module is relatively large.
  • the NFC card is integrated with the SIM card.
  • the NFC module cannot be interrupted during the process of reading and writing the SIM card due to the NFC module protocol.
  • a communication failure cannot be recovered.
  • some modules in the phone will read and write the SIM card and interrupt the NFC module. Based on the above reasons for the failure of the card, the technical solution of the present invention is proposed.
  • Figure 3 illustrates a process flow for reducing mobile payment transaction interference in an embodiment of the present invention, the process comprising the steps of:
  • step S10 it is judged whether the payment transaction has been started. If yes, step S20 is performed; otherwise, the process is terminated, and no operation is performed.
  • a button dedicated to the payment transaction may be preset in the mobile terminal, and the button may be a keyboard on the mobile phone, a touch screen or other GPIO (General Purpose Input/Output), etc.
  • GPIO General Purpose Input/Output
  • Step S20 When the payment transaction has been started, detecting whether the radio frequency module in the mobile terminal is in a transmitting state; for example, detecting whether the radio frequency module is in a transmitting state by using a baseband chip. If the detection radio module is in the transmitting state, step S30 is performed; otherwise, step S40 is performed.
  • Step S30 invoking the wireless manager to turn off the radio frequency module. For example, when the payment transaction has started, the status of the radio module is read, and if the radio is in the transmitting state, the mobile phone passes the wireless manager. It is forbidden to send signals to the mobile phone RF module. In this state, the RF module does not send a signal, which reduces the interference caused by the mobile phone RF module to the NFC antenna.
  • Step S40 setting the mutual exclusion variable accessed by the SIM card, only allowing the NFC module of the short-range wireless communication to access the SIM card, and the access of other modules is invalid.
  • the NFC module has the highest priority access to the SIM card and is mutually exclusive, prohibiting modules in the phone from accessing the SIM card. In this state, the contact mode of the mobile phone SIM card is read, and short messages and other operations are not allowed, which ensures that the NFC module is not interrupted when the SIM card is operated.
  • This method can be set by the mutual exclusion variable setting module.
  • the SIM card's mutex variable is implemented.
  • the wireless manager when the radio frequency module is detected to be in the transmitting state when the payment transaction is started, the wireless manager is called to turn off the radio frequency module, thereby reducing the interference of the radio frequency signal on the NFC module, and improving the success rate of the card swiping.
  • the operation of determining whether the payment transaction has been initiated includes: determining whether the button used to pay the transaction in the mobile terminal is pressed for a long time; if so, indicating that the payment is started; otherwise, indicating that the payment transaction has not been initiated. For example, it is possible to detect whether the button is pressed, and if pressed, wait for 3 seconds to debounce, and if the button is pressed after 3 seconds, the payment starts.
  • the payment transaction it can also be judged whether the payment transaction has ended; when the transaction ends, the radio module's transmission function is restored, the SIM card's mutual exclusion variable is cleared, and other modules are allowed to access the SIM card.
  • the operation of determining whether the payment transaction has ended may include: detecting the button during the start of the payment transaction, and waiting for the payment transaction to end, and if the button release is detected, indicating that the payment transaction is ended.
  • the present invention provides an apparatus for reducing interference in a mobile payment transaction, comprising: a determining module 10, configured to determine whether a payment transaction has been initiated.
  • a button specially used for payment transaction may be set in the mobile terminal in advance.
  • the button may be a keyboard, a touch screen or other GPIO on the mobile phone, and the detection method may be various, such as long press, and more. Pressing and the like, the judging module 10 can acquire the start and end of the payment transaction by detecting the state of the button.
  • the radio frequency detecting module 20 is configured to detect whether the radio frequency module in the mobile terminal is in a transmitting state when the payment transaction has been started.
  • the radio frequency management module 30 is configured to: when the radio frequency module in the mobile terminal is in a transmitting state, invoke the wireless manager to turn off the radio frequency module. For example, when the payment transaction has been initiated, the RF management module 30 reads the status of the RF module. If the RF is in the transmitting state, the mobile phone prohibits its RF module from transmitting signals through the wireless manager. In this state, the RF module does not send a signal, which reduces the interference caused by the RF module to the NFC antenna.
  • the mutex variable setting module 40 is used to set the mutual exclusion variable of the SIM card access, and only allows the proximity of the wireless communication NFC module to access the SIM card.
  • the NFC module has the highest priority access to the SIM card and is mutually exclusive, prohibiting modules in the mobile phone from accessing the SIM card. In this state, the contact mode of the mobile phone SIM card is read, and short messages and other operations are not allowed, which ensures that the NFC module is not interrupted when the SIM card is operated.
  • This method can be set by the mutual exclusion variable setting module 40. Set the mutual variable of the SIM card to achieve.
  • the wireless manager when the radio frequency module is detected to be in the transmitting state when the payment transaction is started, the wireless manager is called to turn off the radio frequency module, thereby reducing the interference of the radio frequency signal on the NFC module, and improving the success rate of the card swiping.
  • the determining module 10 may include a button detecting sub-block 11 for determining whether a button for paying a transaction in the mobile terminal is pressed for a long time; if so, indicating that the payment starts.
  • the button detection sub-block 11 can detect whether the button is pressed. If pressed, wait for 3 seconds to debounce. If the button is pressed after 3 seconds, the payment starts; otherwise, the payment transaction is not started. Further, when the payment transaction is initiated, the button detection sub-block 11 can also determine whether the payment transaction has ended.
  • the mutually exclusive variable setting module 40 is further configured to: when the transaction ends, restore the transmitting function of the radio module, clear the mutually exclusive variable of the SIM card, and allow other modules to access the SIM card.
  • Determining whether the payment transaction has ended can be implemented by the button detection sub-block 11, for example, during the start of the payment transaction, detecting the button and waiting for the payment transaction to end, if the button is detected to be released, Indicates the end of the payment transaction.
  • the invention provides a mobile terminal.
  • the mobile terminal includes the foregoing NFC module, a SIM card, a baseband chip, and a radio frequency module, and further includes the foregoing apparatus for reducing mobile payment transaction interference.
  • the device for reducing interference in mobile payment transactions is provided with:
  • the determining module 10 is configured to determine whether the payment transaction has been started.
  • a button specially used for payment transaction may be set in the mobile terminal in advance.
  • the button may be a keyboard, a touch screen or other GPIO on the mobile phone, and the detection method may be various, such as long press, and more. Pressing and the like, the judging module 10 can acquire the start and end of the payment transaction by detecting the state of the button.
  • the radio frequency detecting module 20 is configured to detect whether the radio frequency module in the mobile terminal is in a transmitting state when the payment transaction has been started.
  • the radio frequency management module 30 is configured to: when the radio frequency module in the mobile terminal is in a transmitting state, invoke the wireless manager to turn off the radio frequency module. For example, when the payment transaction has been initiated, the RF management module 30 reads the status of the RF module. If the RF is in the transmitting state, the mobile phone prohibits its RF module from transmitting signals through the wireless manager. In this state, the RF module does not send a signal, which reduces the interference caused by the RF module to the NFC antenna.
  • the mutex variable setting module 40 is used to set the mutual exclusion variable of the SIM card access, and only allows the proximity of the wireless communication NFC module to access the SIM card.
  • the NFC module has the highest priority access to the SIM card and is mutually exclusive, prohibiting modules in the mobile phone from accessing the SIM card. In this state, the contact mode of the mobile phone SIM card is read, and short messages and other operations are not allowed, which ensures that the NFC module is not interrupted when the SIM card is operated.
  • This method can be set by the mutual exclusion variable setting module 40. Set the mutual variable of the SIM card to achieve.
  • FIG. 5 a workflow diagram of an apparatus for reducing interference in a mobile payment transaction according to an embodiment of the present invention is shown. The process includes the following specific steps:
  • Step S101 determining whether the payment transaction button is pressed, and if so, executing step S102; otherwise, ending the flow without performing any operation.
  • Step S102 when the payment transaction button is pressed, it is determined whether the radio frequency module is in a transmitting state, and if yes, step S103 is performed; otherwise, step S104 is performed.
  • Step S103 Call the wireless manager to close the radio module.
  • Step S104 determining whether the baseband module is accessing the SIM card, and if yes, executing step S105; otherwise, performing step S106.
  • Step S105 stopping the access operation of the baseband module.
  • Step S106 setting a SIM card mutual exclusion operation.
  • Step S107 the baseband module is prohibited from accessing the SIM card.

Abstract

本发明提供一种减少移动支付交易干扰的方法，包括以下步骤：判断支付交易是否已启动；当支付交易已启动时，检测移动终端中的射频模块是否处于发射状态；若移动终端中的射频模块处于发射状态，则调用无线管理器将射频模块关闭；设置用户识别模块（SIM）卡访问的互斥变量，仅允许近距离无线通讯（NFC）模块访问SIM卡。本发明还提供一种减少移动支付交易干扰的装置及设有该装置的移动终端。本发明所提供的减少移动支付交易干扰的方法、装置或移动终端，可以在刷卡的时候消除掉移动终端射频和移动终端读写SIM卡对NFC模块造成的干扰，提高刷卡成功率。

Description

减少移动支付交易干扰的方法、 装置及移动终端 技术领域
本发明涉及移动终端支付交易技术领域， 尤其涉及一种减少移动支付 交易干扰的方法、 装置及移动终端。 背景技术
随着移动终端 （例如手机等） 的快速普及， 无线网络支持的上下行数 据速率不断提高， 新的应用尤其是数据业务方面的应用不断涌现， 移动终 端成为人们身边不可缺少的信息终端。 越来越多的人用移动终端代替手表、
MP3、 数码相机， 近来还实现使用移动终端代替银行卡、 公交卡等， 进行 手机支付交易。
2006年 6月， 诺基亚和中国移动、 飞利浦、 易通卡公司在厦门启动了 中国首个 NFC ( Near Field Communication, 近距离无线通讯 )手机支付试 验。 用户使用内嵌 NFC模块的手机， 可在厦门市任何一个易通卡覆盖的营 业网点 （例如公交汽车、 轮渡、 电影院、 快餐店等）进行手机支付。
在不久的将来， 通过手机和 NFC技术的结合， 用户仅仅通过手机就可 以实现以下应用： 用手机代替各种门票； 在学校全面代替现有学生证和学 生卡； 在加油站、 超市、 银行任何有 POS ( Point Of Sale, 销售终端）机的 地方支付款项并用手机收取电子发票等。
但目前的 NFC技术并不是很成熟， 例如， NFC模块在支付过程中容易 受到干扰， 通信不正常， 以致存在着刷卡失败， 支付不成功的问题。 发明内容
本发明的主要目的在于提供一种减少移动支付交易干扰的方法、 装置 和移动终端， 旨在减少移动支付交易过程受到的干扰， 提高支付交易的成 功率。
本发明提供一种减少移动支付交易干扰的方法， 包括以下步骤： 判断支付交易是否已启动；
当支付交易已启动时， 检测移动终端中的射频模块是否处于发射状态； 若移动终端中的射频模块处于发射状态， 则调用无线管理器将射频模 块关闭；
设置用户识别模块（SIM )卡访问的互斥变量， 仅允许近距离无线通讯 ( NFC )模块访问 SIM卡。
优选地， 所述判断支付交易是否已启动包括：
判断移动终端中用以支付交易的按键是否被长时间按下， 若是， 则表 示支付开始； 否则， 表示支付交易没有启动。
优选地， 在支付交易已启动时， 该方法进一步包括：
判断支付交易是否已结束；
当交易结束时， 恢复射频模块的发射功能， 清除 SIM卡的互斥变量， 允许其它模块对 SIM卡的访问。
优选地， 所述判断支付交易是否已结束包括：
在支付交易过程中对所述按键进行检测， 若检测到按键松开， 表示支 付交易结束。
本发明提供一种减少移动支付交易干扰的装置， 包括：
判断模块， 用于判断支付交易是否已启动；
射频检测模块， 用于当支付交易已启动时， 检测移动终端中的射频模 块是否处于发射状态；
射频管理模块， 用于在移动终端中的射频模块处于发射状态时， 调用 无线管理器将射频模块关闭； 互斥变量设置模块，用于设置用户识别模块（ SIM )卡访问的互斥变量， 仅允许近距离无线通讯（NFC )模块访问 SIM卡。
优选地， 所述判断模块包括：
按键检测子块， 用于判断移动终端中用以支付交易的按键是否被长时 间按下， 若是， 则表示支付开始； 否则， 表示支付交易没有启动。
优选地， 所述判断模块还用于：
在支付交易已启动时， 判断支付交易是否已结束；
所述互斥变量设置模块还用于：
当交易结束时， 恢复射频模块的发射功能， 清除 SIM卡的互斥变量， 允许其它模块对 SIM卡的访问。
优选地， 所述按键检测子块还用于：
在支付交易过程中对所述按键进行检测， 若检测到按键松开， 表示支 付交易结束。
本发明提供一种移动终端， 包括 NFC模块、 SIM卡、 基带芯片及射频 模块， 其还包括减少移动支付交易干扰的装置， 该减少移动支付交易干扰 的装置设有：
判断模块， 用于判断支付交易是否已启动；
射频检测模块， 用于当支付交易已启动时， 检测移动终端中的射频模 块是否处于发射状态；
射频管理模块， 用于在移动终端中的射频模块处于发射状态时， 调用 无线管理器将射频模块关闭；
互斥变量设置模块，用于设置用户识别模块 ( SIM )卡访问的互斥变量， 仅允许近距离无线通讯（NFC )模块访问 SIM卡。
本发明所提供的减少移动支付交易干扰的方法、 装置或移动终端， 通 过在移动终端设置一个用于支付交易的专用按键， 刷卡支付的时候按下这 个按键， 移动终端检测到这个按键后， 首先停止射频模块的工作， 让其处 于发射关闭状态， 消除移动终端射频对 NFC天线的干扰； 其次禁止移动终 端访问 SIM卡， 移动终端模块对 SIM卡的所有操作将被拒绝， 保证 NFC 模块读 SIM卡时不会被打断， 从而可以在刷卡的时候消除掉移动终端射频 和移动终端读写 SIM卡对 NFC模块造成的干扰， 提高刷卡成功率。 附图说明
图 1为 NFC手机的结构示意图；
图 2为本发明一实施例中支付交易按键的结构示意图；
图 3为本发明一实施方式中减少移动支付交易干扰的方法流程图； 图 4为本发明一实施例中减少移动支付交易干扰的装置的结构示意图； 图 5为本发明一实施例中减少移动支付交易干扰的装置的工作流程图。 具体实施方式
本发明中， 移动终端可以是手机等具有移动支付功能的终端。 以下将 以手机为例， 详细说明本发明。 应当理解， 此处所描述的具体实施例仅仅 用以解释本发明， 并不用于限定本发明。
图 1为 NFC手机的结构示意图， NFC手机包括基带芯片、 键盘、 射频 模块、 LCD ( Liquid Crystal Display, 液晶显示器）显示模块等通信模块， 其中基带芯片控制着 SIM ( Subscriber Identity Module, 用户识别模块）卡； NFC手机还包括 NFC模块， 该 NFC模块包括 NFC控制芯片和天线等。 此 外， NFC手机还包括无线管理器等。 无线管理器可对射频模块执行操作。 NFC控制芯片也可控制 SIM卡。 NFC手机的 SIM卡是一张特殊的卡， 具 有普通 SIM卡及近距离无线通讯的功能，其被 NFC控制芯片和基带芯片控 制。
图 2为本发明一实施例中， 专用支付按键的结构示意图。 按键包括一 般的键盘、触摸屏、或其它与基带芯片连接的 10 ( Input/Output,输入 /输出） 接口。 按键^ ^带芯片外部的一个器件， 基带芯片可以读取按键的状态。
本发明的发明人认识到移动支付交易中刷卡失败的现象， 可能由以下 原因造成：
1.手机射频对 NFC天线的干扰， 导致刷卡机无法检测到 NFC手机， 或 在支付过程中出错。 NFC天线的信号比较弱， 刷卡的时候需要贴得很近， 而手机的射频信号相对 NFC来说是比较强的， 对 NFC模块的干扰比较大。
2. NFC卡与 SIM卡集成在一起，使用中会出现手机和 NFC模块同时操 作 SIM卡的情况， 由于 NFC模块协议的关系， NFC模块在读写 SIM卡的 过程中不能被打断， 否则会出现通信失败不能恢复。 在刷卡过程中， 很可 能会出现来电话或短信等情况， 这时手机中的一些模块等会对 SIM卡进行 读写， 打断 NFC模块。 基于上述刷卡失败原因， 提出本发明的技术方案。
图 3 示出了本发明的一个实施方式中减少移动支付交易干扰的方法流 程， 该流程包括以下步骤：
步骤 S10, 判断支付交易是否已启动， 如果是， 执行步骤 S20; 否则， 结束流程， 不执行任何操作。
在本发明的实施例中， 可预先在移动终端中设置一个专门用于支付交 易的按键， 这个按键可以是手机上的键盘， 触摸屏或其它 GPIO ( General Purpose Input/Output, 通用输入 /输出）等， 检测的方法有多种如长按、 多 次按下等， 可通过按键的状态来表示支付交易的开始和结束。
步骤 S20, 当支付交易已启动时，检测移动终端中的射频模块是否处于 发射状态； 例如， 可通过基带芯片检测射频模块是否处于发射状态。 如果 检测射频模块处于发射状态， 则执行步骤 S30; 否则， 执行步骤 S40。
步骤 S30, 调用无线管理器将射频模块关闭。 例如， 当支付交易已启动 时， 读取射频模块状态， 如果射频处于发射状态， 则手机通过无线管理器 禁止手机射频模块向外发送信号。 在这种状态下射频模块无发送信号， 减 少了手机射频模块对 NFC天线造成的干扰。
步骤 S40, 设置 SIM卡访问的互斥变量， 仅允许近距离无线通讯 NFC 模块访问 SIM卡， 其他模块的访问无效。 NFC模块对 SIM卡具有最高优先 级访问权限， 并且具有互斥性， 禁止手机中的模块访问 SIM卡。 这种状态 下读取手机 SIM卡中联系人方式，短消息等操作都是不允许的，保证了 NFC 模块在操作 SIM卡的时候不被打断， 这种方法可以通过互斥变量设置模块 设置 SIM卡的互斥变量来实现。
本发明实施方式中， 通过在支付交易启动时， 若检测到射频模块处于 发射状态， 则调用无线管理器将射频模块关闭， 从而减少射频信号对 NFC 模块的干扰， 提高了刷卡成功率。
上述实施方式中， 判断支付交易是否已启动的操作包括： 判断移动终 端中用以支付交易的按键是否被长时间按下； 若是， 则表示支付开始； 否 则， 表示支付交易没有启动。 例如， 可检测按键是否按下， 如果按下， 则 等待 3秒按键消抖， 如果按键 3秒后还按下， 则表示支付开始。 此外， 当 支付交易启动时， 还可判断支付交易是否已结束； 当交易结束时， 则恢复 射频模块的发射功能， 清除 SIM卡的互斥变量， 允许其它模块对 SIM卡的 访问。 例如， 判断支付交易是否已结束的操作可包括： 在支付交易开始过 程中， 对按键进行检测， 并等待支付交易结束， 如果检测到按键松开， 表 示支付交易结束。
参照图 4, 本发明提供一种减少移动支付交易干扰的装置， 其包括： 判断模块 10, 用于判断支付交易是否已启动。 在本发明的实施例中， 可预先在移动终端中设置一个专门用于支付交易的按键， 这个按键可以是 手机上的键盘， 触摸屏或其它 GPIO等， 检测的方法有多种如长按、 多次按 下等， 判断模块 10可通过检测按键的状态来获取支付交易的开始和结束。 射频检测模块 20, 用于当支付交易已启动时， 检测移动终端中的射频 模块是否处于发射状态。
射频管理模块 30, 用于在移动终端中的射频模块处于发射状态时， 调 用无线管理器将射频模块关闭。 例如， 当支付交易已启动时， 射频管理模 块 30读取射频模块状态， 如果射频处于发射状态， 则手机通过无线管理器 禁止其射频模块向外发送信号。 在这种状态下射频模块无发送信号， 减少 了射频模块对 NFC天线造成的干扰。
互斥变量设置模块 40, 用于设置 SIM卡访问的互斥变量， 仅允许近距 离无线通讯 NFC模块访问 SIM卡。 NFC模块对 SIM卡具有最高优先级访 问权限， 并且具有互斥性， 禁止手机中的模块访问 SIM卡。 这种状态下读 取手机 SIM卡中联系人方式，短消息等操作都是不允许的， 保证了 NFC模 块在操作 SIM卡的时候不被打断， 这种方法可以通过互斥变量设置模块 40 设置 SIM卡的互斥变量来实现。
本发明实施方式中， 通过在支付交易启动时， 若检测到射频模块处于 发射状态， 则调用无线管理器将射频模块关闭， 从而减少射频信号对 NFC 模块的干扰， 提高了刷卡成功率。
上述实施方式中， 判断模块 10可包括按键检测子块 11 , 用于判断移动 终端中用以支付交易的按键是否被长时间按下； 若是， 则表示支付开始。 例如： 按键检测子块 11可检测按键是否按下， 如果按下， 则等待 3秒按键 消抖， 如果按键 3 秒后还按下， 则表示支付开始； 否则， 表示支付交易没 有启动。 此外， 当支付交易启动时， 按键检测子块 11还可判断支付交易是 否已结束。 互斥变量设置模块 40还用于： 当交易结束时， 恢复射频模块的 发射功能， 清除 SIM卡的互斥变量， 允许其它模块对 SIM卡的访问。 判断 支付交易是否已结束可通过按键检测子块 11实现， 例如， 在支付交易开始 过程中， 对按键进行检测， 并等待支付交易结束， 如果检测到按键松开， 表示支付交易结束。
本发明提供一种移动终端。 参照图 4, 该移动终端包括上述 NFC模块、 SIM 卡、 基带芯片及射频模块， 其中， 还包括上述减少移动支付交易干扰 的装置。 该减少移动支付交易干扰的装置设有：
判断模块 10, 用于判断支付交易是否已启动。 在本发明的实施例中， 可预先在移动终端中设置一个专门用于支付交易的按键， 这个按键可以是 手机上的键盘， 触摸屏或其它 GPIO等， 检测的方法有多种如长按、 多次按 下等， 判断模块 10可通过检测按键的状态来获取支付交易的开始和结束。
射频检测模块 20, 用于当支付交易已启动时， 检测移动终端中的射频 模块是否处于发射状态。
射频管理模块 30, 用于在移动终端中的射频模块处于发射状态时， 调 用无线管理器将射频模块关闭。 例如， 当支付交易已启动时， 射频管理模 块 30读取射频模块状态， 如果射频处于发射状态， 则手机通过无线管理器 禁止其射频模块向外发送信号。 在这种状态下射频模块无发送信号， 减少 了射频模块对 NFC天线造成的干扰。
互斥变量设置模块 40, 用于设置 SIM卡访问的互斥变量， 仅允许近距 离无线通讯 NFC模块访问 SIM卡。 NFC模块对 SIM卡具有最高优先级访 问权限， 并且具有互斥性， 禁止手机中的模块访问 SIM卡。 这种状态下读 取手机 SIM卡中联系人方式，短消息等操作都是不允许的， 保证了 NFC模 块在操作 SIM卡的时候不被打断， 这种方法可以通过互斥变量设置模块 40 设置 SIM卡的互斥变量来实现。
参照图 5 ,为本发明一实施例中减少移动支付交易干扰的装置的工作流 程图。 该流程包括以下具体步骤：
步骤 S101 , 判断支付交易按键是否按下， 如果是， 执行步骤 S102; 否 则， 结束流程， 不执行任何操作。 步骤 S102, 当支付交易按键被按下时， 判断射频模块是否处于发射状 态， 如果是， 执行步骤 S103; 否则， 执行步骤 S104。
步骤 S103 , 调用无线管理器关闭射频模块。
步骤 S104,判断基带模块是否在访问 SIM卡，如果是，执行步骤 S105; 否则， 执行步骤 S 106。
步骤 S105, 停止基带模块的访问操作。
步骤 S106, 设置 SIM卡互斥操作。
步骤 S107, 禁止基带模块访问 SIM卡。
以上仅为本发明的优选实施例， 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

Claims

权利要求书
1、 一种减少移动支付交易干扰的方法， 其特征在于， 包括以下步骤： 判断支付交易是否已启动；
当支付交易已启动时， 检测移动终端中的射频模块是否处于发射状态； 若移动终端中的射频模块处于发射状态， 则调用无线管理器将射频模 块关闭；
设置用户识别模块（SIM )卡访问的互斥变量， 仅允许近距离无线通讯 ( NFC )模块访问 SIM卡。
2、 如权利要求 1所述减少移动支付交易干扰的方法， 其特征在于， 所 述判断支付交易是否已启动包括：
判断移动终端中用以支付交易的按键是否被长时间按下， 若是， 则表 示支付开始； 否则， 表示支付交易没有启动。
3、 如权利要求 2所述减少移动支付交易干扰的方法， 其特征在于， 在 支付交易已启动时， 该方法进一步包括：
判断支付交易是否已结束；
当交易结束时， 恢复射频模块的发射功能， 清除 SIM卡的互斥变量， 允许其它模块对 SIM卡的访问。
4、 如权利要求 3所述减少移动支付交易干扰的方法， 其特征在于， 所 述判断支付交易是否已结束包括：
在支付交易过程中对所述按键进行检测， 若检测到按键松开， 表示支 付交易结束。
5、 一种减少移动支付交易干扰的装置， 其特征在于， 包括：
判断模块， 用于判断支付交易是否已启动；
射频检测模块， 用于当支付交易已启动时， 检测移动终端中的射频模 块是否处于发射状态； 射频管理模块， 用于在移动终端中的射频模块处于发射状态时， 调用 无线管理器将射频模块关闭；
互斥变量设置模块，用于设置用户识别模块 ( SIM )卡访问的互斥变量， 仅允许近距离无线通讯（NFC )模块访问 SIM卡。
6、 如权利要求 5所述减少移动支付交易干扰的装置， 其特征在于， 所 述判断模块包括：
按键检测子块， 用于判断移动终端中用以支付交易的按键是否被长时 间按下， 若是， 则表示支付开始； 否则， 表示支付交易没有启动。
7、 如权利要求 6所述减少移动支付交易干扰的装置， 其特征在于， 所 述判断模块还用于：
在支付交易已启动时， 判断支付交易是否已结束；
所述互斥变量设置模块还用于：
当交易结束时， 恢复射频模块的发射功能， 清除 SIM卡的互斥变量， 允许其它模块对 SIM卡的访问。
8、 如权利要求 7所述减少移动支付交易干扰的装置， 其特征在于， 所 述按键检测子块还用于：
在支付交易过程中对所述按键进行检测， 若检测到按键松开， 表示支 付交易结束。
9、 一种移动终端， 包括 NFC模块、 SIM卡、 基带芯片及射频模块， 其特征在于， 还包括减少移动支付交易干扰的装置， 该减少移动支付交易 干扰的装置设有：
判断模块， 用于判断支付交易是否已启动；
射频检测模块， 用于当支付交易已启动时， 检测移动终端中的射频模 块是否处于发射状态；
射频管理模块， 用于在移动终端中的射频模块处于发射状态时， 调用 无线管理器将射频模块关闭；
互斥变量设置模块，用于设置用户识别模块 ( SIM )卡访问的互斥变量， 仅允许近距离无线通讯（NFC )模块访问 SIM卡。
10、 如权利要求 9 所述移动终端， 其特征在于， 还包括如权利要求 6 至 8中任一项所述的减少移动支付交易干扰的装置。
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US9459724B2 (en) * 2013-05-14 2016-10-04 Shenzhen Huiding Technology Co., Ltd. Touch terminal, a near-field communication method and system of the touch terminal
US20160320910A1 (en) * 2013-05-14 2016-11-03 Shenzhen Huiding Technology Co., Ltd. Touch terminal, a near-field communication method and system of the touch terminal
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