WO2011103733A1 - 支持近场通信的移动终端及其近场通信方法 - Google Patents

支持近场通信的移动终端及其近场通信方法 Download PDF

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Publication number
WO2011103733A1
WO2011103733A1 PCT/CN2010/074735 CN2010074735W WO2011103733A1 WO 2011103733 A1 WO2011103733 A1 WO 2011103733A1 CN 2010074735 W CN2010074735 W CN 2010074735W WO 2011103733 A1 WO2011103733 A1 WO 2011103733A1
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Prior art keywords
nfc
sim
sim card
mobile terminal
chip
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PCT/CN2010/074735
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English (en)
French (fr)
Inventor
梁国和
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中兴通讯股份有限公司
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Publication of WO2011103733A1 publication Critical patent/WO2011103733A1/zh

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Classifications

    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06KGRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
    • G06K7/00Methods or arrangements for sensing record carriers, e.g. for reading patterns
    • G06K7/10Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
    • G06K7/10009Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
    • G06K7/10237Methods or arrangements for sensing record carriers, e.g. for reading patterns by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves the reader and the record carrier being capable of selectively switching between reader and record carrier appearance, e.g. in near field communication [NFC] devices where the NFC device may function as an RFID reader or as an RFID tag
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/04Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
    • H04L63/0428Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
    • H04L63/0492Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload by using a location-limited connection, e.g. near-field communication or limited proximity of entities
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L63/00Network architectures or network communication protocols for network security
    • H04L63/10Network architectures or network communication protocols for network security for controlling access to devices or network resources
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W84/00Network topologies
    • H04W84/02Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10Small scale networks; Flat hierarchical networks

Definitions

  • the present invention relates to Near Field Communication (NFC) technology, and more particularly to a mobile terminal supporting near field communication and a near field communication method based on the mobile terminal.
  • NFC Near Field Communication
  • the contactless integrated circuit is applied more and more widely, and can be applied to public transportation, access control systems, and catering industries.
  • CIC contactless integrated circuit
  • NFC uses 13.56MHz operating frequency band to realize non-contact IC card emulation, card reader and point-to-point data exchange.
  • the data transmission rate can reach 424kbps. If the NFC technology is combined with the mobile terminal, the user does not have to carry the relevant IC card, and the user's daily consumption is realized by brushing the SIMR (Subscriber Identity Module) card of the mobile terminal.
  • SIMR Subscriber Identity Module
  • the main object of the present invention is to provide a mobile terminal supporting near field communication and a near field communication method thereof, which can implement NFC on a multi SIM card mobile terminal.
  • a mobile terminal supporting near field communication comprising an NFC device, a logic switch, a determining module, a receiving module, an output module, and two or more SIM cards;
  • the NFC device is respectively connected to the two or more SIM cards through the logic switch; the determining module is configured to determine whether the communication requirements are met when the two or more SIM cards are connected to the NFC device; When the SIM card required by the communication is one, the logic switch is controlled to connect the SIM card satisfying the communication requirement to the NFC device; when the SIM card satisfying the communication requirement is more than two, the output of the output module satisfies the communication requirement SIM card information, and receiving, by the receiving module, a SIM card selected by the user to communicate, controlling the logic switch to turn the selected SIM card on the NFC device.
  • the two or more SIM cards when the two or more SIM cards are turned on by the logic switch, the two or more SIM cards serve as security application chips of the NFC device;
  • the receiving terminal of the NFC device performs a card punching operation on the SIM card conforming to the application through the NFC device.
  • the NFC device includes an NFC chip and an NFC antenna; the determining module is located in a baseband chip or an NFC chip of the mobile terminal;
  • the NFC device is respectively connected to the two or more SIM cards through the logic switch, specifically, the NFC antenna is connected to the NFC chip; the C6 pin of the SIM card passes through a single-line protocol SWP line and a C6 pin connection of the NFC chip, the VCC pin of the SIM card is connected to the VCC pin of the NFC chip; the NFC chip and the baseband chip are internally received or transmitted by an integrated I2C line or universal asynchronous UART line connection.
  • the GND pin, the RST pin, and the 10 pin on the two or more SIM cards And the CLK pin are respectively connected to corresponding pins on the baseband chip.
  • the method includes:
  • the receiving terminal of the NFC device After receiving the card swiping request of the mobile terminal, the receiving terminal of the NFC device determines that the SIM card that satisfies the communication requirement among the two or more SIM cards in the mobile terminal is one, and controls the SIM switch to satisfy the communication requirement.
  • the card is connected to the NFC device; when there are more than two SIM cards satisfying the communication requirement, the SIM card information satisfying the communication requirement is output, and the SIM card selected by the user to be communicated is received, and the logic switch is controlled to select the SIM.
  • Card is connected to the NFC device;
  • the receiving terminal of the NFC device performs a card swiping operation on the SIM card conforming to the application through the NFC device.
  • the NFC device includes an NFC chip and an NFC antenna; the NFC device is respectively connected to the two or more SIM cards through the logic switch, specifically, the NFC antenna is connected to the NFC chip;
  • the C6 pin of the SIM card is connected to the C6 pin of the NFC chip through a single-wire protocol SWP line, and the VCC pin of the SIM card is connected to the VCC pin of the NFC chip;
  • the baseband chips of the terminal are connected by an I2C or UART line.
  • the GND pin, the RST pin, the 10 pin and the CLK pin on the two or more SIM cards are respectively connected to corresponding pins on the baseband chip.
  • the method further includes:
  • the receiving terminal of the NFC device determines whether the SIM card with the logic switch is turned on has a legitimate application, and searches for whether the remaining SIM card has a legitimate application;
  • the NFC chip controls the NFC antenna to turn off, and notifies the baseband chip to control the switching logic switch, selects a SIM card in the remaining SIM card to switch on the SWP protocol, and simultaneously turns on the NFC. antenna.
  • a multi-SIM card is connected to the NFC device through a logic switch.
  • the logic switch allows only one SIM card to be connected to the NFC device. Alternatively, multiple SIM cards cannot be connected to the NFC device.
  • the SIM card when the SIM card is connected to the NFC device, the SIM card serves as a security application chip of the NFC device, and an external receiving terminal such as a point of sale terminal (POS, Point Of Sale) can implement the SIM through the NFC device.
  • POS Point of Sale terminal
  • Card swipe operation realizes NFC support for a plurality of SIM cards through a logic switch by setting an NFC device in a multi-SIM card mobile terminal, and has a simple structure and a low implementation cost.
  • FIG. 1 is a schematic structural diagram of a mobile terminal supporting near field communication according to the present invention
  • FIG. 2 is a schematic structural diagram of an implementation of a mobile terminal supporting near field communication according to the present invention
  • FIG. 3 is a flowchart of a near field communication method based on a mobile terminal of the present invention. detailed description
  • the basic idea of the present invention is to realize the connection between the multi-SIM card and the NFC device through the logic switch by setting the NFC device and the logic switch in the multi-SIM card mobile terminal.
  • the logic switch allows only one SIM card to be connected to the NFC. On the device, or multiple SIM cards can not be connected to the NFC device.
  • the SIM card when the SIM card is connected to the NFC device, the SIM card serves as a security application chip of the NFC device, and an external receiving terminal such as a POS device can perform a card swiping operation on the SIM card through the NFC device.
  • the mobile terminal supporting near field communication of the present invention includes a near field communication NFC device 10 and a logic switch. 11.
  • the logic switch 11 is controlled to meet the communication requirements of the SIM card.
  • the SIM card information that satisfies the communication requirement is output through the output module 14, and the SIM card that the user selects to communicate is received by the receiving module 13
  • the logic switch 11 is controlled to turn on the selected SIM card 15 to the NFC device 10.
  • the NFC device 10 includes an NFC chip and an NFC antenna; and the determining module 12 is located at a baseband chip or an NFC chip of the mobile terminal.
  • the NFC device 10 is respectively connected to the two or more SIM cards 15 through the logic switch 11.
  • the NFC antenna is connected to the NFC chip;
  • the C6 pin of the SIM card 15 passes a single wire protocol (SWP) line is connected to the C6 pin of the NFC chip, and a VCC pin of the SIM card 15 is connected to a VCC pin of the NFC chip;
  • the NFC chip and the baseband chip They are connected by an internal integrated bus (I2C, Inter-Integrated Circuit) or a Universal Asynchronous Receiver/Transmitter (UART) line.
  • the other pins on the SIM card 15, such as the GND (ground) pin, the RST (reset) pin, the 10 (input and output) pin, and the CLK (clock) pin, are respectively connected to corresponding pins on the baseband chip.
  • the NFC antenna of the NFC-enabled mobile terminal in the present invention receives the communication (such as an application selection command) request from the receiving terminal of the external NFC device, the communication request information is transmitted to the baseband chip of the mobile terminal through the NFC chip.
  • the module 12 determines that the module forwards the communication request to the SIM card (application); the determining module determines, according to the communication request response information returned by the SIM card (application), whether the SIM card currently connected by the logic switch 11 meets the corresponding communication requirement, that is, determines Whether the application matching the communication request is set in the SIM card. Determining module 12 will control The logic switch 11 sequentially turns on each SIM card in the mobile terminal, and sequentially determines whether each SIM card satisfies the basic requirement for communication with the external receiving terminal, and when it is determined that the communication requirement is not met
  • the card failure message is returned.
  • the SIM card that meets the communication requirement is connected to the NFC chip, and communication with the receiving terminal is realized, the card swiping operation of the SIM card is realized, and the SIM card is read.
  • the identity information is implemented by the receiving terminal to perform a chargeback operation on the SIM card.
  • the SIM card information conforming to the communication requirement is output to the user through the display screen of the mobile terminal, and the user selects one as communication with the acceptance terminal, thereby realizing the selected SIM card. Swipe and other operations.
  • the processing manner is basically the same as that in the baseband chip located in the mobile terminal, but only when the SIM card satisfying the communication requirement is determined to be two or more, the baseband chip and the mobile terminal are required to pass.
  • the display will meet the SIM card information output for communication requirements. Since this part is not the focus of the technical solution of the present invention, the details thereof will not be described herein.
  • the keyboard and display shown in the figure can realize the functions of the aforementioned input module and output module, respectively.
  • the acceptance terminal of the NFC includes terminals such as a POS machine, a reader, and a gate.
  • FIG. 3 is a flowchart of a near field communication method based on a mobile terminal according to the present invention.
  • the near field communication method of the present example is performed based on the foregoing mobile terminal, and the near field communication method based on the mobile terminal of the present invention includes the following Steps:
  • Step S302 the NFC-enabled mobile terminal having the multi-SIM card approaches the NFC receiving terminal, and the receiving terminal performs communication processing with the mobile terminal's NFC antenna.
  • the applications supported by the SIM cards of different operators may be different, and the communication methods supported by the NFC receiving terminals may also be different.
  • the NFC-enabled mobile terminal uses an application on a SIM card connected by the SWP method.
  • Step S304 The receiving terminal of the NFC interacts with the application on the SIM card connected through the SWP, and selects a SIM card with a legitimate application to communicate with the terminal.
  • Step S306 determining whether the currently supported SIM card in the mobile terminal has a legitimate application. Specifically, although the mobile terminal has multiple SIM cards, the logic switch selects only one SIM card (set by default) to be connected to the NFC device in the mobile terminal. When receiving the communication request of the external receiving terminal, first determine the current and NFC. Whether the SIM card connected to the device has a legitimate application.
  • step S308 is performed, otherwise, execution proceeds to S310.
  • Step S308 recording a legitimate application on the SIM card, including multiple applications on the same SIM card.
  • step S310 it is determined whether there are other SIM cards with legitimate applications. If the result of the determination is yes, then step S312 is performed, otherwise, the process proceeds to S316.
  • Step S312 the NFC chip controls the NFC antenna to be turned off. Because the current SIM card application will wait in the previous state, you must turn off the radio to exit.
  • Step S314 the NFC chip notifies the baseband chip to control the switching logic switch, and selects (for example, in the connection order or in the set order) a SIM card to turn on the SWP protocol, and simultaneously opens the NFC antenna.
  • Step S316 after all the SIM card application attempts are finished, it is determined whether there are multiple SIM cards with legitimate applications. If yes, go to step S318, otherwise go to step S328.
  • Step S318, providing a user selection interface, and selecting a SIM card for communication by the user.
  • Step S320 determining whether the user selects an application that is currently connected to the SIM card of the NFC device. If yes, go to step S318, otherwise, go to step S322.
  • step S322 the NFC chip controls the NFC antenna to be turned off. Because the current SIM card application will always wait in the previous state, you must turn off the radio to exit. Step S324, the NFC chip notifies the baseband chip to control the switching logic switch, so that the SIM card selected by the user is connected to the SWP protocol, and the NFC antenna is turned on at the same time.
  • Step S326 The application terminal interacts with the application on the SIM card that is connected to the SWP protocol, and selects an application.
  • Step S328 performing a credit card transaction, completing the card swiping.
  • the acceptance terminal of the NFC includes terminals such as a POS machine, a reader, and a gate.
  • terminals such as a POS machine, a reader, and a gate.

Description

支持近场通信的移动终端及其近场通信方法 技术领域
本发明涉及近场通信(NFC, Near Field Communication )技术, 尤其涉 及一种支持近场通信的移动终端及基于该移动终端的近场通信方法。 背景技术
目前, 非接触式集成电路( CIC, Contactless Integrated Circuit )的应用 越来越广泛, 可以应用在公共交通、 门禁系统、 餐饮行业等。 同时, 移动 终端作为便捷的智能处理设备, 其应用也越来越普遍, 已经成为人们日常 生活的必需品, 因此, 将移动终端同集成电路(IC, Integrated Circuit )卡 结合使用, 必然能给人们的生活带来更多的便利。
IC技术中,近场通信技术是主流方案,是由非接触式射频识别(RFID, Radio Frequency Identification )技术及互连技术融合演变而来。 NFC采用 13.56MHz的工作频段, 可以实现非接触式 IC卡模拟、 读卡器、 点对点数 据交换的功能, 数据传输率可以达到 424kbps。 而如果将 NFC技术与移动 终端结合, 用户将不必携带相关的 IC卡, 通过刷取移动终端的用户识别模 块( SIM, Subscriber Identity Module )卡而实现用户的日常消费。
遗憾的是, 目前基于移动终端实现个人消费仅仅停留在研究阶段, 如 何实现这一方案, 目前尚无具体的实现方案。 特别的, 随着技术的不断进 步, 多 SIM卡移动终端(包括多模移动终端及支持同一网络的多 SIM卡移 动终端)不断涌现, 如何在这些多 SIM卡移动终端实现 NFC, 是当前所面 临的一大问题。 发明内容
有鉴于此, 本发明的主要目的在于提供一种支持近场通信的移动终端 及其近场通信方法, 能在多 SIM卡移动终端上实现 NFC。
为达到上述目的, 本发明的技术方案是这样实现的:
一种支持近场通信的移动终端, 包含 NFC装置、逻辑开关、确定模块、 接收模块、 输出模块、 两个以上的 SIM卡; 其中,
所述 NFC装置通过所述逻辑开关与所述两个以上的 SIM卡分别连接; 所述确定模块用于确定所述两个以上的 SIM卡接通所述 NFC装置时能 否满足通信要求; 满足通信要求的 SIM卡为一个时, 控制所述逻辑开关将 满足通信要求的 SIM卡接通到所述 NFC装置; 满足通信要求的 SIM卡为 两个以上时, 通过所述输出模块输出满足通信要求的 SIM卡信息, 并通过 接收模块接收用户选择欲通信的 SIM 卡, 控制所述逻辑开关将所选择的 SIM卡接通所述 NFC装置。
优选地,所述两个以上的 SIM卡通过所述逻辑开关接通所述 NFC装置 时, 所述两个以上的 SIM卡作为所述 NFC装置的安全应用芯片;
NFC装置的受理终端通过所述 NFC装置对符合应用的 SIM卡进行刷 卡操作。
优选地, 所述 NFC装置包括 NFC芯片和 NFC天线; 所述确定模块位 于所述移动终端的基带芯片或 NFC芯片中;
所述 NFC装置通过所述逻辑开关与所述两个以上的 SIM卡分别连接, 具体为, 所述 NFC天线连接于所述 NFC芯片; 所述 SIM卡的 C6管脚通过 单线协议 SWP线与所述 NFC芯片的 C6管脚连接, 所述 SIM卡的 VCC管 脚与所述 NFC芯片的 VCC管脚连接; 所述 NFC芯片与所述基带芯片之间 通过内部集成 I2C线或通用异步接收 /发送 UART线连接。
优选地, 所述两个以上的 SIM卡上的 GND管脚、 RST管脚、 10管脚 和 CLK管脚分别与所述基带芯片上的对应管脚连接。
一种基于移动终端的近场通信方法, 移动终端中设置有 NFC装置、 逻 辑开关及两个以上的 SIM卡,所述 NFC装置通过所述逻辑开关与所述两个 以上的 SIM卡分别连接; 所述方法包括:
NFC装置的受理终端接收移动终端的刷卡请求后, 确定所述移动终端 中的所述两个以上的 SIM卡中满足通信要求的 SIM卡为一个时, 控制所述 逻辑开关将满足通信要求的 SIM卡接通到所述 NFC装置;满足通信要求的 SIM卡为两个以上时, 输出满足通信要求的 SIM卡信息, 并接收用户选择 欲通信的 SIM卡, 控制所述逻辑开关将所选择的 SIM卡接通所述 NFC装 置;
所述 NFC装置的受理终端通过所述 NFC装置对符合应用的 SIM卡进 行刷卡操作。
优选地, 所述 NFC装置包括 NFC芯片和 NFC天线; 所述 NFC装置通 过所述逻辑开关与所述两个以上的 SIM卡分别连接, 具体为, 所述 NFC天 线连接于所述 NFC芯片; 所述 SIM卡的 C6管脚通过单线协议 SWP线与 所述 NFC芯片的 C6管脚连接, 所述 SIM卡的 VCC管脚与所述 NFC芯片 的 VCC管脚连接;所述 NFC芯片与所述移动终端的基带芯片之间通过 I2C 或 UART线连接。
优选地, 所述两个以上的 SIM卡上的 GND管脚、 RST管脚、 10管脚 和 CLK管脚分别与所述基带芯片上的对应管脚连接。
优选地, 所述方法还包括:
NFC装置的受理终端判断所述逻辑开关接通的 SIM卡是否具有合法应 用, 并查找剩余 SIM卡中是否具有合法应用;
开始查找时, NFC芯片控制 NFC天线关闭, 并通知基带芯片控制切换 逻辑开关,在剩余 SIM卡中选择一个 SIM卡接通 SWP协议,同时打开 NFC 天线。
本发明中, 通过在多 SIM卡移动终端中设置 NFC装置和逻辑开关, 通 过逻辑开关实现多 SIM卡与 NFC装置的连接, 某一时刻, 逻辑开关仅允许 一个 SIM卡接通到 NFC装置上, 或者, 多 SIM卡全不能接通 NFC装置。 本发明中, 当 SIM卡接通 NFC装置时, 该 SIM卡即作为 NFC装置的安全 应用芯片, 外部的受理终端如销售点终端 (POS, Point Of Sale )机等即可 通过 NFC装置实现对 SIM卡的刷卡操作。 本发明通过在多 SIM卡移动终 端中设置一个 NFC装置, 通过逻辑开关实现对多个 SIM卡的 NFC支持, 结构简单且实现成本较低。 附图说明
图 1为本发明支持近场通信的移动终端的组成结构示意图;
图 2为本发明支持近场通信的移动终端的实现结构示意图;
图 3为本发明基于移动终端的近场通信方法的流程图。 具体实施方式
本发明的基本思想是:通过在多 SIM卡移动终端中设置 NFC装置和逻 辑开关, 通过逻辑开关实现多 SIM卡与 NFC装置的连接, 某一时刻, 逻辑 开关仅允许一个 SIM卡接通到 NFC装置上, 或者, 多 SIM卡全不能接通 NFC装置。 本发明中, 当 SIM卡接通 NFC装置时, 该 SIM卡即作为 NFC 装置的安全应用芯片,外部的受理终端如 POS机等即可通过 NFC装置实现 对 SIM卡的刷卡操作。
为使本发明的目的、 技术方案和优点更加清楚明白, 以下举实施例并 参照附图, 对本发明进一步详细说明。
图 1为本发明支持近场通信的移动终端的组成结构示意图, 如图 1所 示, 本发明支持近场通信的移动终端包含近场通信 NFC装置 10、逻辑开关 11、 确定模块 12、 接收模块 13、 输出模块 14、 两个以上的 SIM卡 15, 其 中, NFC装置 10通过逻辑开关 11与所述两个以上的 SIM卡 15分别连接, 其中,确定模块 12用于确定所述两个以上的 SIM卡 15接通所述 NFC装置 10时能否满足通信要求; 满足通信要求的 SIM卡 15为一个时, 控制所述 逻辑开关 11将满足通信要求的 SIM卡接通到所述 NFC装置 10; 满足通信 要求的 SIM卡 15为两个以上时, 通过所述输出模块 14输出满足通信要求 的 SIM卡信息, 并通过接收模块 13接收用户选择欲通信的 SIM卡, 控制 所述逻辑开关 11将所选择的 SIM卡 15接通所述 NFC装置 10。
图 2为本发明支持近场通信的移动终端的实现结构示意图, 如图 1、 图 2所示, NFC装置 10包括 NFC芯片和 NFC天线;确定模块 12位于所述移 动终端的基带芯片或 NFC芯片中; 所述 NFC装置 10通过所述逻辑开关 11 与所述两个以上的 SIM卡 15分别连接, 具体的, 所述 NFC天线连接于所 述 NFC芯片; 所述 SIM卡 15的 C6管脚通过单线协议(SWP, Single Wire Protocol )线与所述 NFC芯片的 C6管脚连接,所述 SIM卡 15的 VCC管脚 与所述 NFC芯片的 VCC管脚连接; 所述 NFC芯片与所述基带芯片之间通 过内部集成总线( I2C, Inter-Integrated Circuit )或通用异步接收 /发送( UART, Universal Asynchronous Receiver/Transmitter )线连接。 SIM卡 15上的其他 管脚如 GND (接地 )管脚、 RST (复位 )管脚、 10 (输入输出 )管脚和 CLK (时钟)管脚分别与所述基带芯片上的对应管脚连接。
当本发明中的支持 NFC的移动终端的 NFC天线接收到外部的 NFC装 置的受理终端的通信(如应用选择命令 )请求后,将通信请求信息通过 NFC 芯片发送至移动终端的基带芯片中的确定模块 12, 确定模块转发该通信请 求到 SIM卡(应用); 确定模块根据 SIM卡(应用)返回的通信请求响应 信息, 确定逻辑开关 11当前接通的 SIM卡是否符合相应的通信要求, 即确 定该 SIM卡中是否设置有与通信请求匹配的应用程序。确定模块 12将控制 逻辑开关 11依次接通移动终端中的各 SIM卡, 并依次确定各 SIM卡是否 满足与外部受理终端进行通信的基本要求, 当确定没有符合通信要求的
SIM卡时, 返回刷卡失败信息。 当确定仅有一个 SIM卡满足通信要求时, 将满足通信要求的该 SIM卡接通到 NFC芯片上,并实现与受理终端的通信, 实现对该 SIM卡的刷卡操作, 读取该 SIM卡的身份信息, 通过受理终端实 现对该 SIM卡的扣费操作。 当确定满足通信要求的 SIM卡为两个以上时, 通过移动终端的显示屏向用户输出所有符合通信要求的 SIM卡信息, 供用 户选择一个作为与受理终端的通信, 从而实现对所选择 SIM卡的刷卡等操 作。
本发明中, 当确定模块 12位于 NFC芯片中, 与位于移动终端的基带 芯片中的处理方式基本相同, 只是, 在确定满足通信要求的 SIM卡为两个 以上时, 需通过基带芯片及移动终端的显示屏将满足通信要求的 SIM卡信 息输出。 由于该部分并非本发明技术方案的重点, 这里不再赘述其细节。
图中所示的键盘及显示屏能分别实现前述的输入模块及输出模块的功 能。
本发明中, NFC的受理终端包括 POS机、 阅读器、 闸机等终端。
这样, 在多 SIM卡的移动终端中, 通过设置一个 NFC装置, 即可实现 对多个 SIM卡的刷卡操作, 实现结构简单, 成本较低。
图 3为本发明基于移动终端的近场通信方法的流程图, 如图 3所示, 本示例的近场通信方法是基于前述移动终端进行的, 本发明基于移动终端 的近场通信方法包括以下步驟:
步驟 S302, 具有多 SIM卡的支持 NFC的移动终端接近 NFC的受理终 端, 受理终端与移动终端的 NFC 天线之间进行通信处理。 这里, 不同运 营商 SIM卡中支持的应用程序可能不同,而 NFC的受理终端所支持的通信 方式可能也会因此而不同。 支持 NFC的移动终端采用 SWP方式连接的 SIM卡上的应用。
步驟 S304, NFC的受理终端与通过 SWP连接的 SIM卡上应用交互, 选择具有合法应用的 SIM卡, 以便与其进行通信。
步驟 S306, 判断移动终端中当前支持的 SIM卡是否具有合法应用。 具 体的, 移动终端虽然具有多个 SIM卡, 但逻辑开关仅选用一个 SIM卡(默 认设置的)与移动终端中的 NFC装置接通, 接收到外部受理终端的通信要 求时, 首先确定当前与 NFC装置接通的 SIM卡是否具有合法应用。
如果判断结果为是, 则执行步驟 S308, 否则, 则执行到 S310。
步驟 S308,记录 SIM卡上的合法应用,包括同一 SIM卡上的多个应用。 步驟 S310,判断是否还有具有合法应用的其他 SIM卡。判断结果为是, 则执行步驟 S312, 否则, 则执行到 S316。
步驟 S312, NFC芯片控制 NFC天线关闭。 因为当前 SIM卡的应用会 一直等待在上一状态, 必须关闭射频, 才能退出。
步驟 S314, NFC芯片通知基带芯片控制切换逻辑开关,在剩余 SIM卡 中选择(例如依连接顺序或按设定的顺序 )一个 SIM卡接通 SWP协议, 同 时打开 NFC天线。
在无用户干预的情况下, 进行下一具有合法应用的 SIM卡的查找, 直 到查找完移动终端中的所有 SIM卡。
步驟 S316, 所有 SIM卡应用尝试结束后, 判断是否存在多个具有合法 应用的 SIM卡。 如果是则执行步驟 S318, 否则执行步驟 S328。
步驟 S318, 提供用户选择界面, 通过用户来选择通信的 SIM卡。
步驟 S320, 判断用户选择是否是当前接通到 NFC装置的 SIM卡的应 用。 如果是则执行步驟 S318, 否则, 执行步驟 S322。
步驟 S322, NFC芯片控制 NFC天线关闭。 因为当前 SIM卡的应用会 一直等待在上一状态, 必须关闭射频, 才能退出。 步驟 S324 , NFC芯片通知基带芯片控制切换逻辑开关, 使用户选择的 SIM卡接通 SWP协议, 同时打开 NFC天线。
步驟 S326, 受理终端与接通 SWP协议的 SIM卡上应用交互, 选择应 用。
步驟 S328, 进行刷卡交易, 完成刷卡。
本发明中, NFC的受理终端包括 POS机、 阅读器、 闸机等终端。 本发明中, 在多 SIM卡的移动终端中, 通过设置一个 NFC装置, 即可 实现对多个 SIM卡的刷卡操作, 实现结构简单, 成本较低。
以上所述, 仅为本发明的较佳实施例而已, 并非用于限定本发明的保 护范围。

Claims

权利要求书
1、 一种支持近场通信的移动终端, 其特征在于, 包含近场通信(NFC ) 装置、 逻辑开关、 确定模块、 接收模块、 输出模块、 两个以上的用户识别 模块(SIM )卡; 其中,
所述 NFC装置,通过所述逻辑开关与所述两个以上的 SIM卡分别连接; 所述确定模块,用于确定所述两个以上的 SIM卡接通所述 NFC装置时 能否满足通信要求, 满足通信要求的 SIM卡为一个时, 控制所述逻辑开关 将满足通信要求的 SIM卡接通到所述 NFC装置; 满足通信要求的 SIM卡 为两个以上时, 通过所述输出模块输出满足通信要求的 SIM卡信息, 并通 过接收模块接收用户选择欲通信的 SIM卡, 控制所述逻辑开关将所选择的 SIM卡接通所述 NFC装置。
2、根据权利要求 1所述的移动终端,其特征在于,所述两个以上的 SIM 卡通过所述逻辑开关接通所述 NFC装置时,所述两个以上的 SIM卡作为所 述 NFC装置的安全应用芯片;
所述 NFC装置的受理终端通过所述 NFC装置对符合应用的 SIM卡进 行刷卡操作。
3、 根据权利要求 1或 2所述的移动终端, 其特征在于, 所述 NFC装 置包括 NFC芯片和 NFC天线;
所述确定模块位于所述移动终端的基带芯片或 NFC芯片中;
所述 NFC装置通过所述逻辑开关与所述两个以上的 SIM卡分别连接 为: 所述 NFC天线连接于所述 NFC芯片; 所述 SIM卡的 C6管脚通过单线 协议 ( SWP )线与所述 NFC芯片的 C6管脚连接, 所述 SIM卡的 VCC管 脚与所述 NFC芯片的 VCC管脚连接; 所述 NFC芯片与所述基带芯片之间 通过内部集成(I2C )线、 或通用异步接收 /发送(UART ) 线连接。
4、根据权利要求 3所述的移动终端,其特征在于,所述两个以上的 SIM 卡上的 GND管脚、 RST管脚、 10管脚和 CLK管脚分别与所述基带芯片上 的对应管脚连接。
5、 一种基于移动终端的近场通信方法, 其特征在于, 在移动终端中设 置 NFC装置、 逻辑开关及两个以上的 SIM卡, 所述 NFC装置通过所述逻 辑开关与所述两个以上的 SIM卡分别连接; 所述方法包括:
NFC装置的受理终端接收移动终端的刷卡请求后, 确定所述移动终端 中的所述两个以上的 SIM卡中满足通信要求的 SIM卡为一个时, 控制所述 逻辑开关将满足通信要求的 SIM卡接通到所述 NFC装置;满足通信要求的 SIM卡为两个以上时, 输出满足通信要求的 SIM卡信息, 并接收用户选择 欲通信的 SIM卡, 控制所述逻辑开关将所选择的 SIM卡接通所述 NFC装 置;
所述 NFC装置的受理终端通过所述 NFC装置对符合应用的 SIM卡进 行刷卡操作。
6、根据权利要求 5所述的方法,其特征在于,所述 NFC装置包括 NFC 芯片和 NFC天线;
所述 NFC装置通过所述逻辑开关与所述两个以上的 SIM卡分别连接 为: 所述 NFC天线连接于所述 NFC芯片; 所述 SIM卡的 C6管脚通过单线 协议 SWP线与所述 NFC芯片的 C6管脚连接, 所述 SIM卡的 VCC管脚与 所述 NFC芯片的 VCC管脚连接; 所述 NFC芯片与所述移动终端的基带芯 片之间通过 I2C或 UART线连接。
7、 根据权利要求 6所述的方法, 其特征在于, 所述两个以上的 SIM卡 上的 GND管脚、 RST管脚、 10管脚和 CLK管脚分别与所述基带芯片上的 对应管脚连接。
8、 根据权利要求 6所述的方法, 其特征在于, 所述方法还包括: 所述 NFC装置的受理终端判断所述逻辑开关接通的 SIM卡是否具有合 法应用, 并查找剩余 SIM卡中是否具有合法应用;
开始查找时, NFC芯片控制 NFC天线关闭, 并通知基带芯片控制切换 逻辑开关,在剩余 SIM卡中选择一个 SIM卡接通 SWP协议,同时打开 NFC 天线。
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