WO2010105458A1 - 增强型近距离无线通信装置及其实现方法 - Google Patents

增强型近距离无线通信装置及其实现方法 Download PDF

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Publication number
WO2010105458A1
WO2010105458A1 PCT/CN2009/072983 CN2009072983W WO2010105458A1 WO 2010105458 A1 WO2010105458 A1 WO 2010105458A1 CN 2009072983 W CN2009072983 W CN 2009072983W WO 2010105458 A1 WO2010105458 A1 WO 2010105458A1
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WIPO (PCT)
Prior art keywords
sim card
enfc
chip
reader
sim
Prior art date
Application number
PCT/CN2009/072983
Other languages
English (en)
French (fr)
Inventor
王俊鹏
吴增荣
Original Assignee
中兴通讯股份有限公司
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Filing date
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Publication of WO2010105458A1 publication Critical patent/WO2010105458A1/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
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/3816Mechanical arrangements for accommodating identification devices, e.g. cards or chips; with connectors for programming identification devices
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B5/00Near-field transmission systems, e.g. inductive or capacitive transmission systems
    • H04B5/70Near-field transmission systems, e.g. inductive or capacitive transmission systems specially adapted for specific purposes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W76/00Connection management
    • H04W76/10Connection setup
    • H04W76/18Management of setup rejection or failure

Definitions

  • the present invention relates to the field of communications, and in particular to an enhanced Near Field Communication (eNFC) device and an implementation method thereof.
  • eNFC enhanced Near Field Communication
  • eNFC enhanced Near Field Communication
  • NFC Near Field Communication
  • eNFC Near Field Communication
  • the data transfer rate can reach 424kbps.
  • the eNFC solution is generated, and the eNFC solution is an improvement of the NFC solution.
  • the eNFC solution puts the information requiring confidentiality and authentication into the customer identification module (Subscriber Identity Model).
  • Subscriber Identity Model The customer identification module
  • the mobile terminal adopting the eNFC solution all the applications are stored in the SIM card, and the mobile operator can bundle the NFC application while issuing the SIM card.
  • the user When the user replaces the mobile terminal, the user does not need to consider that the pre-ordered NFC service is re-processed with the replacement of the mobile terminal, thereby facilitating the user's use of different terminals, which also makes the eNFC solution widely concerned in the industry.
  • the applications used by the terminal are mainly stored in the SIM card, and different operators may launch different NFC services.
  • users can purchase different SIM cards of multiple operators.
  • two or more wireless channels will be integrated in the mobile terminal. Units, for example, are widely used in dual-mode dual-standby and single-mode dual-standby mobile terminals.
  • an eNFC device is provided.
  • An eNFC device according to the present invention is provided in a mobile terminal, the device comprising a short-range wireless communication eNFC chip, and an NFC antenna connected to the eNFC chip through an antenna interface, wherein the eNFC chip includes a processor unit, and the eNFC chip includes a plurality of SIMs a card interface, wherein a plurality of SIM card interfaces are used to connect the eNFC chip to the plurality of SIM cards, the processor unit is used to select the SIM card interface, and the SIM card connected to the selected SIM card interface uses the NFC antenna and the reader Communicate.
  • the eNFC chip further comprises: a power management module, configured to provide power to one or more of the plurality of SIM card interfaces.
  • the eNFC chip further comprises: a clock unit for providing one or more of the plurality of SIM card interfaces.
  • the eNFC chip further includes: a host communication module, configured to implement communication between the terminal main control module of the mobile terminal and the eNFC chip, and transmit a control command from the terminal main control module to the processor unit, where the control signaling is used In order to select and control the SIM card interface, the SIM card connected to the selected SIM card interface communicates with the reader using the NFC antenna.
  • the processor unit disables the SIM card function corresponding to the SIM card interface according to the indication from the host communication module in the eNFC device.
  • the processor unit selects a SIM card corresponding to the SIM card interface to perform a card swipe function according to an instruction from the host communication module in the eNFC device.
  • the eNFC chip further comprises: a nonvolatile storage unit, configured to store control signaling from a host communication module in the eNFC device, wherein the control signaling is used to select and control the SIM card interface, and the selected SIM card The SIM card connected to the interface communicates with the reader using an NFC antenna.
  • the nonvolatile storage unit is further configured to store the card swipe sequence and information of the SIM card interface that is prohibited from being used.
  • an implementation method of an eNFC is provided.
  • the eNFC implementation method according to the present invention is applied to a mobile terminal including the eNFC device described above, and the method includes: the eNFC chip of the mobile terminal establishes a radio frequency communication link between the eNFC chip and the reader, and establishes one of the plurality of SIM cards.
  • the data communication link of the SIM card and the reader in the case that the SIM card performing the data communication link with the reader fails to perform the card swipe operation to the reader, the eNFC chip re-establishes the radio communication link and establishes multiple SIM cards
  • the data communication link of other SIM cards and readers that are allowed to be used.
  • the mobile terminal in the case of establishing a data communication link between the other SIM cards and the reader among the plurality of SIM cards, the mobile terminal only establishes a communication link between the SIM card and the reader of the other SIM cards each time until A swipe operation of a SIM card that establishes a data communication link with the reader succeeds or a swipe operation of all allowed SIM cards fails.
  • FIG. 1 is a block diagram showing the structure of an eNFC device according to an embodiment of the present invention
  • 2 is a system block diagram of a dual standby mobile terminal according to an embodiment of the present invention
  • FIG. 3 is a flowchart of an implementation method of an eNFC according to an embodiment of the present invention
  • FIG. 4 is an eNFC according to an embodiment of the present invention. Detailed flowchart of the implementation method.
  • the present invention provides a problem in which the mobile terminal cannot simultaneously use multiple eNFC applications in the related art, that is, in order to facilitate the user to simultaneously use multiple operators or eNFC applications of different SIM cards of the same operator, the present invention provides a The eNFC device and the implementation method thereof, by setting a plurality of SIM card interfaces on the eNFC chip, and controlling the eNFC device to select the used SIM card by the processor unit, so that the mobile terminal including the eNFC device can be simultaneously performed with multiple SIM cards The ability of eNFC communication. It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict.
  • an eNFC apparatus is provided, which is provided to a mobile terminal.
  • 1 is a block diagram showing the structure of an eNFC device according to an embodiment of the present invention.
  • the device includes an eNFC chip A, and an NFC antenna B connected to the eNFC chip through an antenna interface, and the structure of the eNFC chip A is as follows. Describe.
  • the eNFC chip A includes a plurality of SIM card interfaces (for example, FIG.
  • FIG. 1 shows the SIM card interface 1 and the SIM card interface 2), the processor unit 4, the clock unit 6, the power management module 8, the NFC antenna interface 10, and the host communication module. 3.
  • a plurality of SIM card interfaces (for example, FIG. 1 shows a SIM card interface 1 and a SIM card interface 2) for connecting the eNFC chip A to a plurality of SIM cards.
  • the multiple SIM card interfaces may be single wire protocol (Single Wire Protocol). Multiple SIM card interfaces can be connected to multiple SIM cards at the same time to complete the communication function of the eNFC chip to the SIM card.
  • the processor unit 4 includes, but is not limited to, a central processing unit (Central Processing Unit, a cylinder called a CPU), a random access memory 44 (a random access memory, a cylinder called a RAM), and Flash memory 46 (Flash), used to complete SIM card interaction, NFC antenna transceiving and communication with the host. After setting multiple SIM card interfaces, the processor unit 4 is used to select the SIM card interface, and the selected SIM. The SIM card connected to the card interface can communicate with the reader using an NFC antenna.
  • a central processing unit Central Processing Unit, a cylinder called a CPU
  • a random access memory 44 a random access memory, a cylinder called a RAM
  • Flash memory 46 Flash
  • the clock unit 6 inputs a clock from a crystal, a crystal oscillator, an external clock source, etc., and provides a clock to the processor unit 4, the NFC radio frequency unit, the communication interface unit, and the like, and is controlled by the processor unit 4, and is managed and configured in the completion 4 .
  • Unit 6 in time 4 is also used to clock one or more of the plurality of SIM card interfaces.
  • the power management module 8 is configured to provide power for one or more of the plurality of SIM card interfaces, and provide power management functions for each functional module inside the eNFC chip. It should be noted that the power management module 8 in the embodiment of the present invention can supply power to multiple SIM cards, and can implement separate power supply to one or several SIM cards according to the control of the processor unit 4.
  • the NFC antenna interface 10 is configured to connect the NFC antenna to complete subsequent RF transmission and reception.
  • the host communication module 3 is configured to implement communication between the terminal main control module of the mobile terminal and the eNFC chip, and transmit a control command from the terminal main control module to the processor unit, where the control signaling includes the eNFC related signaling. It is also used to select and control the SIM card interface.
  • the SIM card connected to the selected SIM card can communicate with the reader using the NFC antenna.
  • the above interface 1 is a universal serial transceiver/bus interface (Universal asynchronous receiver/transmitter, called UART), IC-interconnected interface (Inter-Integrated Circuit, I2C), Serial Peripheral Interface (Serial Peripheral Interface).
  • a serial interface such as SPI is used to complete communication between the mobile terminal processor and the internal processor unit of the eNFC chip.
  • the processor unit 4 disables the SIM card function corresponding to the SIM card interface according to the instruction from the host communication module 3, or selects the SIM card corresponding to the SIM card interface to perform the card swipe function according to a predetermined order, wherein You can preferentially select a SIM card to perform the swipe function.
  • the eNFC chip may further include: a nonvolatile storage unit configured to store control signaling from a host communication module in the eNFC device, wherein the control signaling is used to select and control the SIM card interface, and the selected SIM The card interface-connected SIM card communicates with the reader using an NFC antenna.
  • the non-volatile memory unit can be implemented by the flash memory 46 in the processor unit 4 or directly in the eNFC chip.
  • the nonvolatile memory unit herein is also used to store the card swipe sequence and information of the SIM card interface that is prohibited from being used.
  • the eNFC chip may further include: a first link establishing module and a second link establishing module (not shown), wherein the first link establishing module is configured to establish an eNFC device and read near the eNFC device a radio frequency communication link between the devices; a second link establishing module, configured to establish a SIM card corresponding to the SIM card interface connected to the NFC antenna and the eNFC device close to the eNFC device after the first link establishing module performs link establishment A data communication link between readers.
  • the NFC antenna B is further configured to detect the field strength generated by the reader, and notify the first link establishing module to perform link establishment if the detected field strength reaches a predetermined requirement.
  • the mobile terminal includes: a main control module (for a smart phone, the module may be an application processor unit), and a baseband Unit, RF unit 1, RF unit 2, keyboard, liquid crystal display (LCD), the above eNFC device (the device may include an eNFC chip and at least one NFC antenna), and SIM card 1 and SIM card 2.
  • the above-mentioned main control module may be disposed in the eNFC device, or may be independently disposed in the mobile terminal.
  • a mobile terminal that can simultaneously implement an eNFC application of a multi-SIM card is provided, which provides convenience for the user to switch the SIM card.
  • Method Embodiment According to an embodiment of the present invention, an implementation method of an eNFC is provided, which is applied to a mobile terminal including the above eNFC device.
  • FIG. 3 is a flowchart of a method for implementing an eNFC according to an embodiment of the present invention. As shown in FIG.
  • the method includes the following steps S302 to S304: Step S302, an eNFC chip of a mobile terminal establishes an eNFC chip and a reader.
  • the RF communication link and establishes a data communication link between one of the plurality of SIM cards and the reader.
  • Step S304 in the case that the SIM card and the reader perform a card-swapping operation with the reader to establish a data communication link, the eNFC chip re-establishes the radio frequency communication link, and establishes other SIM cards allowed in the plurality of SIM cards.
  • the data communication link of the reader in the case that the SIM card and the reader perform a card-swapping operation with the reader to establish a data communication link, the eNFC chip re-establishes the radio frequency communication link, and establishes other SIM cards allowed in the plurality of SIM cards.
  • the data communication link of the reader in the case that the SIM card and the reader perform a card-swapping operation with the reader to
  • FIG. 4 is a detailed flowchart of a method for implementing an eNFC according to an embodiment of the present invention.
  • Step S402 Whether the NFC antenna is close to the reader can start to swipe the card. Specifically, when the NFC antenna is close to the reader, the field strength generated by the reader antenna can be detected, and whether the field strength meets the NFC specification according to the relevant NFC specification is determined. The communication request, if the requirement is met, proceeds to step S404, and if the requirement is not met, continues to wait, that is, proceeds to step S402.
  • Step S404 the eNFC chip first establishes a connection RF communication link with the reader (also referred to as a card reader, which does not affect the essence of the invention), and then establishes a data communication link between the SIM card 1 and the reader, logically
  • the mobile terminal has only one SIM card, that is, the SIM card 1, and proceeds to step S406.
  • the NFC antenna can make the eNFC chip work normally by receiving the energy of the reader, but in order to save limited energy due to limited energy received through the antenna.
  • Step S406 completing the card swipe operation according to the eNFC specification, determining whether the reader establishes a transaction connection with the SIM card 1. If the reader rejects the SIM card 1 (ie, the transaction connection is not established), proceeding to step S410, otherwise, proceeding to step S408 . Step S408, performing a credit card transaction, completing the card swiping, and ending the process. Step S410, the eNFC chip first establishes a connection RF communication link with the reader, and then establishes a data communication link between the SIM card 2 and the reader.
  • Step S412 completing the card swipe operation according to the eNFC specification, determining whether the reader establishes a transaction connection with the SIM card 2, if the transaction connection is established, proceeding to step S414, if the reader rejects the SIM card 2 (ie, the transaction connection is not established), Determining whether all SIM cards in the mobile terminal have been polled, and if the result of the determination is no, proceeding - gating the remaining SIM cards, completing operations similar to steps S410 and S412; if the determination result is yes, End the process.
  • step S414 the card transaction is performed, the card is completed, and the process ends.
  • the following functions may also be implemented: (1) The user may wish to disable the card swiping function of a certain SIM card, so that, according to the embodiment of the present invention, the master control may be adopted.
  • the module sends a control command to the eNFC chip, and the processor unit in the eNFC chip recognizes the control command and prohibits the SIM card function of the corresponding SIM card.
  • the SIM card is polled. A prohibited SIM card.
  • the function of prohibiting SIM card swiping is also implemented after the mobile phone is powered off, and the specific processing is as follows:
  • the processor unit in the eNFC chip stores the forbidden SIM card list in the flash memory 46, and polls when the card is powered off.
  • the SIM card can bypass the prohibited SIM card.
  • a control command may be issued to the eNFC chip through the main control module, and the processor unit in the eNFC chip may recognize the control command.
  • the user-set SIM card is preferentially selected, and then the other SIM cards are polled; or the user sets the polling order, and the polling is used according to the user's setting order.
  • the user-set priority SIM card or polling sequence table can also be stored in the flash memory 46, so that when the card is powered down, it can also continue in this order.
  • the eNFC communication apparatus and method of the present invention have been described mainly by taking a dual-card mobile terminal as an example, those skilled in the art should understand that the present invention can also be applied to a terminal including multiple cards, and the specific implementation process thereof and the dual-card terminal The implementation process is similar and will not be repeated here.
  • the mobile terminal uses the reader mode to read the tag, since the SIM card authentication and the like are not involved, the eNFC chip reads the tag through the antenna and simultaneously transmits the data according to the implementation of the existing eNFC technology. Give the master CPU.
  • the foregoing embodiment of the present invention solves the problem that the mobile terminal cannot use multiple eNFC applications at the same time by using the method of setting multiple SIM card interfaces on the eNFC chip, thereby improving the user experience.
  • a computer readable medium having stored thereon computer executable instructions for causing a computer or processor to perform, for example, when executed by a computer or processor
  • the processing of each step shown in FIGS. 3 and 4, preferably, may perform one or more of the above-described method embodiments and specific examples thereof.
  • the implementation of the present invention does not modify the system architecture and the current processing flow, is easy to implement, facilitates promotion in the technical field, and has strong industrial applicability.
  • modules or steps of the present invention can be implemented by a general-purpose computing device, which can be concentrated on a single computing device or distributed over a network composed of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in the storage device by the computing device, or they may be separately fabricated into individual integrated circuit modules, or they may be Multiple modules or steps are made into a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the above is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the scope of the present invention are intended to be included within the scope of the present invention.

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增强型近巨离无线通信装置及其实现方法 技术领域 本发明涉及通信领域, 具体而言, 涉及一种增强型近距离无线通信 ( enhanced Near Field Communication, 筒称为 eNFC ) 装置及其实现方法。 背景技术 目前 , 非接触式集成电路 ( Contactless Integrated Circuit, 筒称为 CIC ) 的应用越来越广泛, 例如, 可以应用在公共交通、 门禁系统、 餐饮行业等。 同时, 移动终端的应用也越来越普遍, 移动终端已经成为人们日常生活的必 需品, 因此, 移动终端同 IC 卡的结合必然能够给人们的生活带来更多的便 利。 针对移动终端同非接触式 IC卡的结合方案 , 目前已经有了比较多的方 案可供选择。其中 ,近巨离无线通信( Near Field Communication,筒称为 NFC ) 技术是主流方案, NFC采用 13.56MHz的工作频段, 其可以实现非接触式 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。 在 NFC方案的基础上, 又^"生出了 eNFC方案, eNFC方案是 NFC方案的改 进, eNFC 方案将需要保密和鉴权的信息放到客户识别模块 ( Subscriber Identity Model, 筒称为 SIM )卡中,通过 SIM卡中的应用程序完成各种应用。 在采用 eNFC方案的移动终端中, 所有的应用程序都存储在 SIM卡中, 移动运营商可以在发行 SIM卡的同时, 捆绑其 NFC应用, 这样, 用户在更 换移动终端时 ,不需要考虑预先订购的 NFC业务会随移动终端的更换而重新 办理, 从而方便了用户对不同终端的使用, 这也使 eNFC方案受到了行业内 的广泛关注。 目前, 终端使用的应用主要存储在 SIM卡中, 并且不同的运营商可能 会推出不同的 NFC业务, 为了能够同时享受到多个运营商的服务, 用户可以 购买多个运营商的不同 SIM卡。 目前, 为了方便用户使用多个运营商的 SIM 卡, 移动终端中会集成两个或者更多的无线通信单元, 例如, 目前应用比较 广泛的是双模双待和单模双待的移动终端。 在这些移动终端中, 虽然能够放 置两张 SIM卡, 但是仅有一个卡所在的卡槽与终端中的 eNFC芯片相连接, 因此仅能有一个卡进行刷卡操作, 如果用户希望用另一张卡进行刷卡操作, 就需要将两张卡的位置交换, 这会增加用户的操作, 不利于用户使用 SIM卡 中的 eNFC应用。 目前 , 针对相关技术中不易实现多个执行 eNFC应用的 SIM卡之间的 切换的问题, 目前尚未提出有效的解决方案。 发明内容 针对相关技术中不易实现多个执行 eNFC应用的 SIM卡之间的切换的 问题而提出本发明 , 为此, 本发明的主要目的在于提供一种 eNFC装置及其 实现方法, 以解决上述问题至少之一。 为了实现上述目的, 根据本发明的一个方面, 提供了一种 eNFC装置。 根据本发明的 eNFC装置, 设置于移动终端, 上述装置包括一个近距离 无线通信 eNFC芯片、 以及通过天线接口与 eNFC芯片连接的 NFC天线, 其 中, eNFC芯片包括处理器单元, eNFC芯片包括多个 SIM卡接口, 其中, 多个 SIM卡接口用于将 eNFC芯片与多个 SIM卡相连接,处理器单元用于选 择 SIM卡接口 ,与被选择的 SIM卡接口连接的 SIM卡使用 NFC天线同阅读 器进行通信。 优选地, eNFC芯片进一步包括: 电源管理模块, 用于为多个 SIM卡接 口中的一个或多个提供电源。 优选地, eNFC芯片进一步包括: 时钟单元, 用于为多个 SIM卡接口中 的一个或多个提供时 4中。 优选地, eNFC芯片进一步包括: 主机通信模块, 用于实现移动终端的 终端主控模块与 eNFC芯片的通信, 并将来自终端主控模块的控制命令传输 至处理器单元, 其中, 控制信令用于选择并控制 SIM 卡接口, 与被选择的 SIM卡接口连接的 SIM卡使用 NFC天线同阅读器进行通信。 优选地, 处理器单元才艮据来自 eNFC装置中的主机通信模块的指示, 禁 止 SIM卡接口对应的 SIM卡的刷卡功能。 优选地, 处理器单元根据来自 eNFC装置中的主机通信模块的指示, 按 照预定顺序选择 SIM卡接口对应的 SIM卡执行刷卡功能。 优选地, eNFC芯片进一步包括: 非易失存储单元, 用于存储来自 eNFC 装置中的主机通信模块的控制信令, 其中, 控制信令用于选择并控制 SIM卡 接口, 与被选择的 SIM卡接口连接的 SIM卡使用 NFC天线同阅读器进行通 信。 优选地, 非易失存储单元还用于存储刷卡顺序、 以及被禁止使用的 SIM 卡接口的信息。 为了实现上述目的 , 才艮据本发明的另一方面 , 提供了一种 eNFC的实现 方法。 根据本发明的 eNFC的实现方法, 应用于包括上述的 eNFC装置的移动 终端, 上述方法包括: 移动终端的 eNFC芯片建立 eNFC芯片与阅读器的射 频通信链路, 并建立多个 SIM卡中的一个 SIM卡和阅读器的数据通信链路; 在与阅读器建立数据通信链路的 SIM 卡向阅读器执行的刷卡操作失败的情 况下, eNFC芯片重新建立射频通信链路, 并建立多个 SIM卡中允许使用的 其它 SIM卡与阅读器的数据通信链路。 优选地, 在建立上述多个 SIM卡中的其它 SIM卡与阅读器的数据通信 链路的情况下, 移动终端每一次仅建立其它 SIM卡中的一个 SIM卡与阅读 器的通信链路,直至与阅读器建立数据通信链路的一个 SIM卡的刷卡操作成 功或所有允许使用的 SIM卡的刷卡操作均失败。 通过本发明 , 采用在 eNFC芯片上设置多个 SIM卡接口的方法, 解决 了相关技术中移动终端不能同时使用多个 eNFC应用的问题, 进而提高了用 户体验。 附图说明 此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部 分, 本发明的示意性实施例及其说明用于解释本发明, 并不构成对本发明的 不当限定。 在附图中: 图 1是才艮据本发明实施例的 eNFC装置的结构框图; 图 2是才艮据本发明实施例的双待移动终端的系统框图; 图 3是才艮据本发明实施例的 eNFC的实现方法的流程图; 图 4是才艮据本发明实施例的 eNFC的实现方法的详细流程图。 具体实施方式 功能相克述 考虑到相关技术中移动终端不能同时使用多个 eNFC应用的问题, 即, 为了方便用户同时使用多家运营商或者同一运营商不同 SIM卡的 eNFC应 用 , 本发明提供了一种 eNFC装置及其实现方法, 通过在 eNFC芯片上设置 多个 SIM卡接口, 并通过处理器单元控制 eNFC装置选择使用的 SIM卡,使 得包括该 eNFC装置的移动终端能够有与多张 SIM卡同时进行 eNFC通信的 能力。 需要说明的是, 在不冲突的情况下, 本申请中的实施例及实施例中的特 征可以相互组合。 下面将参考附图并结合实施例来详细说明本发明。 装置实施例 才艮据本发明的实施例 ,提供了一种 eNFC装置 ,该装置设置于移动终端。 图 1是根据本发明实施例的 eNFC装置的结构框图, 如图 1所示, 上述 装置包括一个 eNFC芯片 A、 以及通过天线接口与 eNFC芯片连接的 NFC天 线 B, 下面对 eNFC芯片 A的结构进行描述。 eNFC芯片 A包括多个 SIM卡接口 (例如, 图 1示出了 SIM卡接口 1 和 SIM卡接口 2 )、 处理器单元 4、 时钟单元 6、 电源管理模块 8、 NFC天线 接口 10、 主机通信模块 3 , 下面对上述结构进行详细描述。 多个 SIM卡接口 (例如, 图 1示出了 SIM卡接口 1和 SIM卡接口 2 ), 用于将 eNFC芯片 A与多个 SIM卡相连接。 其中, 多个 SIM卡接口可以均 为单线协议 ( Single Wire Protocol , 筒称为 S WP )接口。 多个 SIM卡接口可 以同时和多个 SIM卡相连接, 完成 eNFC芯片到 SIM卡的通信功能。 处理器单元 4 , 包括但不限于中央处理器 42 ( Central Processing Unit, 筒称为 CPU )、 随机存储器 44 ( Random Access Memory, 筒称为 RAM ) 和 闪存器 46 ( Flash ), 用于完成 SIM卡交互、 NFC天线收发以及同主机通信的 功能, 在设置了多个 SIM卡接口之后, 处理器单元 4用于选择 SIM卡接口, 与被选择的 SIM卡接口连接的 SIM卡可以使用 NFC天线同阅读器进行通信。 时钟单元 6, 从晶体、 晶振、 外部时钟源等输入时钟, 向处理器单元 4、 NFC射频单元、 通信接口单元等提供时钟, 并接受处理器单元 4的控制, 完 成时 4中的管理与配置。时 4中单元 6还用于为多个 SIM卡接口中的一个或多个 提供时钟。 电源管理模块 8, 用于为多个 SIM卡接口中的一个或多个提供电源, 以 及提供 eNFC芯片内部各个功能模块的供电管理功能。 需要说明的是, 本发 明实施例中的电源管理模块 8可以向多个 SIM卡供电,并可以才艮据处理器单 元 4的控制实现对某个或某几个 SIM卡的单独供电。
NFC天线接口 10, 用于连接 NFC天线, 以便完成后续射频收发。 主机通信模块 3 , 用于实现移动终端的终端主控模块与 eNFC芯片的通 信, 并将来自终端主控模块的控制命令传输至处理器单元, 其中, 控制信令 除包括 eNFC相关的信令外 ,还用于选择并控制 SIM卡接口 ,与被选择的 SIM 卡接口连接的 SIM卡可以使用 NFC天线同阅读器进行通信。 上述接口一^ 1 是通用串行收发总线接口 ( Universal asynchronous receiver/transmitter, 筒称 为 UART )、 IC互联接口 ( Inter-Integrated Circuit, 筒称为 I2C )、 串行外设接 口 (Serial Peripheral Interface, 筒称为 SPI )等串行接口, 用于完成移动终端 处理器同 eNFC芯片内部处理器单元的通信。 需要说明的是, 处理器单元 4才艮据来自主机通信模块 3 的指示, 禁止 SIM卡接口对应的 SIM卡的刷卡功能, 或者按照预定顺序选择 SIM卡接口 对应的 SIM卡执行刷卡功能, 其中, 可以优先选择某个 SIM卡执行刷卡功 能。 进一步地, eNFC芯片还可以包括:非易失存储单元,用于存储来自 eNFC 装置中的主机通信模块的控制信令, 其中, 控制信令用于选择并控制 SIM卡 接口, 与被选择的 SIM卡接口连接的 SIM卡使用 NFC天线同阅读器进行通 信, 该非易失存储单元可以通过处理器单元 4 中的闪存器 46来实现, 也可 以直接设置在 eNFC芯片中。 这里的非易失存储单元还用于存储刷卡顺序、 以及被禁止使用的 SIM卡接口的信息。 进一步地, eNFC芯片还可以包括: 第一链路建立模块和第二链路建立 模块(图中未示出), 其中, 第一链路建立模块, 用于建立 eNFC装置与靠近 eNFC 装置的阅读器之间的射频通信链路; 第二链路建立模块, 用于在第一 链路建立模块进行链路建立之后, 建立连接至 NFC天线的 SIM卡接口所对 应的 SIM卡与靠近 eNFC装置的阅读器之间的数据通信链路。 并且 , NFC天线 B进一步用于检测阅读器产生的场强 , 并在检测的场 强达到预定要求的情况下通知第一链路建立模块进行链路建立。 图 2是才艮据本发明实施例的双待移动终端的系统框图 , 如图 2所示, 该 移动终端包括: 主控模块 (对于智能手机, 该模块可以是应用处理器单元)、 基带处单元、 射频单元 1、 射频单元 2、 键盘、 液晶显示屏 ( Liquid Crystal Display, 筒称为 LCD )、 上述的 eNFC装置 (该装置可以包括一个 eNFC芯 片和至少一个 NFC天线)、 以及 SIM卡 1和 SIM卡 2。 其中, 上述的主控模块可以设置在 eNFC装置中, 也可以独立地设置在 移动终端中。 通过该实施例, 提供了可以同时实现多 SIM卡的 eNFC应用的移动终 端, 为用户切换 SIM卡提供了便利。 方法实施例 根据本发明的实施例, 提供了一种 eNFC的实现方法, 应用于包括上述 eNFC装置的移动终端。 图 3是才艮据本发明实施例的 eNFC的实现方法的流程图, 如图 3所示, 该方法包括如下的步骤 S302至步骤 S304: 步骤 S302, 移动终端的 eNFC芯片建立 eNFC芯片与阅读器的射频通 信链路 , 并建立多个 SIM卡中的一个 SIM卡和阅读器的数据通信链路。 步骤 S304, 在与阅读器建立数据通信链路的 SIM卡和阅读器执行的刷 卡操作失败的情况下, eNFC 芯片重新建立射频通信链路, 并建立多个 SIM 卡中允许使用的其它 SIM卡与阅读器的数据通信链路。 其中,当建立多个 SIM卡中的其它 SIM卡与阅读器的数据通信链路时 , 移动终端每一次仅建立其它 SIM卡中的一个 SIM卡与阅读器的通信链路, 直至与阅读器建立数据通信链路的一个 SIM 卡的刷卡操作成功或所有允许 使用的 SIM卡的刷卡操作均失败。 通过本发明 , 采用在 eNFC芯片上设置多个 SIM卡接口的方法, 解决 了相关技术中移动终端不能同时使用多个 eNFC应用的问题, 进而提高了用 户体验。 下面结合附图以双 SIM卡移动终端为例, 对本发明实施例的实现过程 进行详细描述。 图 4是才艮据本发明实施例的 eNFC的实现方法的详细流程图,如图 4所 示, 当移动终端使用卡模式同阅读器进行通信时, 包括如下的步骤 S402 至 步骤 S414: 步骤 S402, 判断 NFC天线靠近阅读器是否可以开始刷卡, 具体地, 在 NFC 天线靠近阅读器时, 可以检测到阅读器天线产生的场强, 并才艮据相关 NFC规范判断该场强是否满足 NFC规范中的通信要求, 如果满足要求, 则 进行至步骤 S404, 如果没有满足要求, 继续等待, 即, 继续执行步骤 S402。 步骤 S404, eNFC芯片先同阅读器(也可以称为读卡器, 这并不影响发 明的本质)建立连接射频通信链路, 再建立 SIM卡 1同阅读器的数据通信链 路, 从逻辑上讲, 对阅读器来说, 移动终端只有一张 SIM卡, 即, SIM卡 1 , 进行至步骤 S406。 需要说明的是,当移动终端主电池电量消耗完毕,移动终端无法开机时, NFC天线通过接收阅读器的能量来使 eNFC芯片正常工作 , 但是由于通过天 线接收的能量有限,为了节约有限的能量,所以,此时一般会只开启一张 SIM 卡的供电, 而其它 SIM卡的供电和与之相连的 SIM卡接口电路也可以相应 的关闭。 步骤 S406, 根据 eNFC规范完成刷卡操作, 判断阅读器与 SIM卡 1是 否建立交易连接, 如果阅读器拒绝 SIM卡 1 (即, 未建立交易连接), 则进 行至步骤 S410 , 否则, 进行至步骤 S408。 步骤 S408 , 进行刷卡交易, 完成刷卡, 结束流程。 步骤 S410, eNFC芯片先同阅读器建立连接射频通信链路, 再建立 SIM 卡 2同阅读器的数据通信链路, 从逻辑上讲, 对阅读器来说, 移动终端只有 一张 SIM卡, 即, SIM卡 2, 进行至步骤 S412。 步骤 S412 , 根据 eNFC规范完成刷卡操作 , 判断阅读器与 SIM卡 2是 否建立交易连接, 如果建立交易连接, 则进行至步骤 S414, 如果阅读器拒绝 SIM卡 2 , (即, 未建立交易连接), 判断是否移动终端内的所有 SIM卡都已 经轮询完毕, 如果判断结果为否, 则继续——选通剩余的 SIM卡, 完成与步 骤 S410和步骤 S412类似的操作; 如果判断结果为是, 则结束流程。 步骤 S414, 进行刷卡交易, 完成刷卡, 结束流程。 需要说明的是 , 在掉电使用卡模式时 , 由于 NFC天线接收到的能量有 限, 可能无法同时为多张 SIM卡供电, 因此, 在掉电模式下, 只有选通某一 SIM卡建立数据通信链路时 , 才由 eNFC芯片向其供电, 从而最大程度地节 省了能量。 通过该实施例, 可以使同一个终端中同时使用多个 SIM卡的 eNFC应 用成为可能, 方便了消费者, 提高了用户体验。 需要说明的是, 对于本发明的上述实施例, 还可以实现如下功能: ( 1 )用户可能希望禁止某一张 SIM卡的刷卡功能, 这样, 才艮据本发明 的实施例, 可以通过主控模块向 eNFC 芯片发出控制命令, eNFC 芯片中的 处理器单元会识别控制命令, 禁止对应的 SIM卡的刷卡功能, 这时, 在上述 的方法实施例的流程中 , 轮询 SIM卡时就会绕过被禁止的 SIM卡。 优选地, 禁止 SIM卡刷卡的功能在手机掉电之后也可以实现, 具体处 理为: eNFC 芯片中的处理器单元会将禁止的 SIM卡列表存储在闪存器 46 中, 掉电刷卡时, 轮询 SIM卡时就可以绕过被禁止的 SIM卡。
( 2 )用户可能还希望优选某一张 SIM卡的刷卡功能, 才艮据本发明的实 施例, 可以通过主控模块向 eNFC 芯片发出控制命令, eNFC 芯片中的处理 器单元会识别控制命令 , 阅读器需要刷卡时 , 优先选择用户设定的 SIM卡 , 然后再轮询其它 SIM卡; 或者用户会设定轮询顺序, 轮询时根据用户的设定 顺序来使用。 优选地, 用户设定的优先 SIM卡或者轮询顺序表也可以存储在闪存器 46中, 这样, 当掉电刷卡时, 也可以继续按照这个顺序进行。 尽管之前主要以双卡移动终端为例描述了本发明的 eNFC 通信装置和 方法, 但是本领域技术人员应当理解, 本发明还可以应用于包含多个卡的终 端, 其具体实施过程与双卡终端中的实施过程类似, 这里不再重复。 此外, 当移动终端使用阅读器模式读取标签时, 由于不涉及到 SIM卡 认证等操作, 所以, 与现有的 eNFC技术的实现方式相一致, eNFC 芯片通 过天线读取标签, 同时将数据发送给主控 CPU。 综上所述, 通过本发明的上述实施例, 采用在 eNFC 芯片上设置多个 SIM卡接口的方法, 解决了相关技术中移动终端不能同时使用多个 eNFC应 用的问题, 进而提高了用户体验。 才艮据本发明实施例, 还提供了一种计算机可读介质, 该计算机可读介质 上存储有计算机可执行的指令, 当该指令被计算机或处理器执行时, 使得计 算机或处理器执行如图 3及图 4所示的各步骤的处理, 优选地, 可以执行上 述的方法实施例及其具体实例中的一个或多个。 另外 ,本发明的实现没有对系统架构和目前的处理流程修改,易于实现, 便于在技术领域中进行推广, 具有较强的工业适用性。 显然, 本领域的技术人员应该明白, 上述的本发明的各模块或各步骤可 以用通用的计算装置来实现, 它们可以集中在单个的计算装置上, 或者分布 在多个计算装置所组成的网络上, 可选地, 它们可以用计算装置可执行的程 序代码来实现, 从而, 可以将它们存储在存储装置中由计算装置来执行, 或 者将它们分别制作成各个集成电路模块, 或者将它们中的多个模块或步骤制 作成单个集成电路模块来实现。 这样, 本发明不限制于任何特定的硬件和软 件结合。 以上所述仅为本发明的优选实施例而已, 并不用于限制本发明, 对于本 领域的技术人员来说, 本发明可以有各种更改和变化。 凡在本发明的^^申和 原则之内, 所作的任何修改、 等同替换、 改进等, 均应包含在本发明的保护 范围之内。

Claims

权 利 要 求 书
1. 一种增强型近巨离无线通信 eNFC装置, 设置于移动终端, 所述装置包 括一个 eNFC芯片、 以及通过天线接口与所述 eNFC芯片连接的 NFC天 线, 其中, 所述 eNFC芯片包括处理器单元 , 其特征在于 ,
所述 eNFC芯片包括多个 SIM卡接口, 其中, 所述多个 SIM卡接 口用于将所述 eNFC芯片与多个 SIM卡相连接, 所述处理器单元用于选 择 SIM卡接口 , 与被选择的 SIM卡接口连接的 SIM卡使用所述 NFC天 线同阅读器进行通信。
2. 根据权利要求 1所述的装置, 其特征在于, 所述 eNFC芯片进一步包括: 电源管理模块 , 用于为所述多个 SIM卡接口中的一个或多个提供 电源。
3. 根据权利要求 1所述的装置, 其特征在于, 所述 eNFC芯片进一步包括: 时钟单元, 用于为所述多个 SIM卡接口中的一个或多个提供时钟。
4. 根据权利要求 1至 3中任一项所述的装置, 其特征在于, 所述 eNFC芯 片进一步包括:
主机通信模块, 用于实现所述移动终端的终端主控模块与所述 eNFC 芯片的通信, 并将来自所述终端主控模块的控制命令传输至所述 处理器单元, 其中, 所述控制信令用于选择并控制 SIM卡接口, 与被选 择的 SIM卡接口连接的 SIM卡使用所述 NFC天线同所述阅读器进行通 信。
5. 根据权利要求 4所述的装置, 其特征在于, 所述 eNFC芯片进一步包括: 非易失存储单元 , 用于存储来自所述主机通信模块的控制信令, 其 中, 所述控制信令用于选择并控制 SIM卡接口, 与被选择的 SIM卡接口 连接的 SIM卡使用所述 NFC天线同所述阅读器进行通信。
6. 根据权利要求 5所述的装置, 其特征在于, 所述非易失存储单元还用于 存储刷卡顺序、 以及被禁止使用的 SIM卡接口的信息。
7. 才艮据权利要求 6所述的装置, 其特征在于, 所述处理器单元才艮据来自所 述主机通信模块的指示, 禁止 SIM卡接口对应的 SIM卡的刷卡功能。
8. 才艮据权利要求 6所述的装置, 其特征在于, 所述处理器单元才艮据来自所 述主机通信模块的指示,按照预定顺序选择 SIM卡接口对应的 SIM卡执 行刷卡功能。
9. 一种增强型近距离无线通信 eNFC的实现方法, 其特征在于, 包括: 所述移动终端的 eNFC芯片建立所述 eNFC芯片与阅读器的射频通 信链路,并建立所述多个 SIM卡中的一个 SIM卡和所述阅读器的数据通 信链路;
在与所述阅读器建立所述数据通信链路的所述 SIM卡向所述阅读 器执行的刷卡操作失败的情况下, 所述 eNFC芯片重新建立所述射频通 信链路,并建立所述多个 SIM卡中允许使用的其它 SIM卡与所述阅读器 的数据通信链路。
10. 根据权利要求 9所述的方法, 其特征在于, 在建立所述多个 SIM卡中的 所述其它 SIM卡与所述阅读器的数据通信链路的情况下, 所述移动终端 每一次仅建立所述其它 SIM卡中的一个 SIM卡与所述阅读器的通信链 路, 直至与所述阅读器建立数据通信链路的一个 SIM卡的刷卡操作成功 或所有允许使用的 SIM卡的刷卡操作均失败。
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EP3910974A1 (fr) * 2020-05-14 2021-11-17 STMicroelectronics (Rousset) SAS Procédé de commande d'un module d'identification d'abonné, module d'identification d'abonné et dispositif électronique
FR3110319A1 (fr) * 2020-05-14 2021-11-19 Stmicroelectronics (Rousset) Sas Dispositif de communication sans fil
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