WO2009140809A1 - 同时支持近距离和远距离通信的系统及方法 - Google Patents

同时支持近距离和远距离通信的系统及方法 Download PDF

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Publication number
WO2009140809A1
WO2009140809A1 PCT/CN2008/001913 CN2008001913W WO2009140809A1 WO 2009140809 A1 WO2009140809 A1 WO 2009140809A1 CN 2008001913 W CN2008001913 W CN 2008001913W WO 2009140809 A1 WO2009140809 A1 WO 2009140809A1
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Prior art keywords
mobile terminal
pos machine
communication
long
distance
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PCT/CN2008/001913
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English (en)
French (fr)
Inventor
郝志勤
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深圳市中兴集成电路设计有限责任公司
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Publication of WO2009140809A1 publication Critical patent/WO2009140809A1/zh
Priority to US12/949,453 priority Critical patent/US8929805B2/en

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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/08Payment architectures
    • G06Q20/20Point-of-sale [POS] network systems
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06QINFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q20/00Payment architectures, schemes or protocols
    • G06Q20/30Payment architectures, schemes or protocols characterised by the use of specific devices or networks
    • G06Q20/32Payment architectures, schemes or protocols characterised by the use of specific devices or networks using wireless devices
    • G06Q20/327Short range or proximity payments by means of M-devices

Definitions

  • This invention relates to a record carrier for use with a machine, and more particularly to a record carrier with semiconductor circuit components, and more particularly to a system and method for simultaneously supporting short-range and long-range communications. Background technique
  • the traditional contactless smart card uses the communication frequency of 13.56MHz.
  • the communication range is limited to a very close distance, generally less than 10cm, but the communication distance between the highway entrance and exit and the airport is far away.
  • the automatic toll collection system needs to use a higher frequency to complete communication at such a distance.
  • the 5.8 GHz band is commonly used.
  • a radio frequency communication module for cash payment and transaction is added to the mobile terminal, so that the mobile terminal becomes a super-function non-contact card and card reader, and can perform cash payment, control, and the like.
  • the operation of exchanging data at close distances requires the mobile terminal to have both short-range communication and long-distance communication functions. This demand has become more and more urgent with the development of electronic transactions.
  • NFC Near Field Communication
  • Chinese patent 200610079046.2 proposes a 13.56MHz and 5.8GHz dual-band active tag for non-stop charging, which uses 5.8GHz RF tag RFID technology to achieve highway non-stop charging, and is compatible with the currently used non-contact 13.56MHz contactless card.
  • the patent realizes both long-distance transactions for expressway payment and short-distance payment, but the method used is dual frequency. This method is a simple combination of the two charging methods.
  • the patent does not propose how to ensure The security of the system and the ability to share data are of little practical significance.
  • the present invention proposes a system that uses the same frequency band and supports both close-range and long-distance communication and services.
  • the technical problem to be solved by the present invention is to provide a system and method for simultaneously supporting short-range and long-distance communication while avoiding the above-mentioned deficiencies of the prior art.
  • the technical problem of the present invention can be achieved by adopting the following technical solutions: a system for simultaneously supporting short-distance and long-distance communication, a mobile terminal, a short-range communication POS machine or a long-distance communication POS machine, in particular, a background Authorization server, authorized distribution channel and radio frequency interface, before the mobile terminal communicates with the short-range communication POS machine or the long-distance communication POS machine, the background authorization server transmits the key information to the mobile terminal and the identification code through the authorization distribution channel Transfer to close communication
  • the mobile terminal and the short-range communication POS machine or the long-distance communication POS machine complete data exchange by means of the radio frequency interface.
  • the mobile terminal and the POS machine are both equipped with a radio frequency communication module, and communicate with the radio frequency interface set by the module, and each of the radio frequency communication modules operates in the same frequency band.
  • the background authorization server sends an authorized POS type identification code to the corresponding POS machine.
  • POS machines have different POS identification codes, and the identification codes have multiple encoding modes, but any one of the encoding methods includes the communication distance and service type information of the POS machine. In order for the mobile terminal to make a corresponding distinction.
  • the mobile terminal has two working modes of short-range communication and long-distance communication, and the mobile terminal can switch between the two working modes by running a program therein.
  • the mobile terminal automatically adjusts its own radio frequency transmission power according to its current working mode, thereby controlling its communication distance.
  • the identification code is encrypted by the background authorization server and transmitted to the POS machine through the authorization channel.
  • the POS device sends the identification code to the mobile terminal by using the radio frequency interface, and the mobile terminal decrypts the received identification code by using the key, and authenticates the legitimacy thereof, thereby distinguishing the identity of the sending identity code.
  • the POS machine is a short-range communication POS machine or a long-distance communication POS machine, and adjusts its working mode accordingly.
  • the key and the identification code are respectively sent by the background authorization server to the mobile terminal and the POS. machine.
  • the identification code includes a POS distance type, a service type, a service subclass, a manufacturer number, and an authentication server number.
  • a method for simultaneously supporting short-distance and long-distance communication based on a system for simultaneously supporting short-range and long-distance communication, the method includes the steps -
  • the mobile terminal receives the encrypted identification code sent from the POS machine through the radio frequency interface;
  • the mobile terminal decrypts the received identity code by using a key, and determines whether the POS device that sends the identity code is a remote communication POS machine;
  • step B if the judgment result is "Yes", that is, the POS machine transmitting the identification code is a long-distance communication POS machine, the mobile terminal judges whether the working mode of the mobile terminal is the long-distance working mode by the program running therein. If the program determines that the mobile terminal is already in the short-distance working mode, the program automatically switches the mobile terminal working mode to the remote working mode, and prohibits the short-distance working mode service. If the program determines that the mobile terminal is already in the long-distance working mode, the program directly Skip to step E;
  • step B if the determination result is "No", that is, the POS machine transmitting the identification code is a short-range communication POS machine, the mobile terminal determines whether the working mode of the mobile terminal is the close working mode by the program running therein. If the program determines that the mobile terminal is in the long-distance working mode, the program automatically switches the working mode of the mobile terminal to the short-distance working mode, and prohibits the long-distance working mode service. If the program determines that the mobile terminal is already in the short-distance working mode, Jump to step E;
  • the mobile terminal and the POS machine complete data exchange through the radio frequency interface, and enter the subsequent service processing process.
  • a unified platform can be used to support different types of services. Flexibility and convenience are greatly improved, and system security is also guaranteed. DRAWINGS
  • Figure 1 is a schematic structural view of the system of the present invention
  • Figure 2 is a flow chart of the operation of the method of the present invention.
  • FIG. 3 is a schematic diagram of a coding structure of the identification code according to the present invention. detailed description
  • a system for supporting short-distance and long-distance communication at the same time includes a mobile terminal 101, a short-range communication POS machine 102 or a long-distance communication POS machine 103, and particularly includes a background authorization server 104.
  • the authorization distribution channel 106 and the radio frequency interface 105 before the mobile terminal 101 and the POS machine 102, 103 communicate, the background authorization server 104 transmits the key information to the mobile terminal 101 through the authorization distribution channel 106 and transmits the identification code to The short-range communication POS machine 102 or the long-distance communication POS machine 103; the mobile terminal 101 and the short-range communication POS machine 102 or the long-distance communication POS machine 103 complete data exchange by means of the radio frequency interface 105.
  • the mobile terminal 101 and the POS machines 102, 103 are all equipped with a radio frequency communication module, and communicate with the radio frequency interface 105 provided by the module, and each of the radio communication modules operates in the same frequency band.
  • the background authorization server 104 sends the authorized POS type identification code to the corresponding POS machine 102, 103; different types of POS machines have different POS machine identification codes, and the identification code has multiple encoding modes.
  • any one of the encoding methods includes the communication distance and service type information of the POS, so that the mobile terminal 101 makes a corresponding distinction.
  • the mobile terminal 101 has two modes of operation, short-range communication and long-distance communication, and the mobile terminal 101 switches between two modes of operation by a program running therein.
  • the mobile terminal 101 automatically adjusts its own radio frequency transmission power according to its current working mode, thereby controlling its communication distance.
  • the identification code is encrypted by the background authorization server 104 and transmitted to the POS machines 102, 103 through the authorization channel.
  • the POS machine 102, 103 When communicating, the POS machine 102, 103 transmits an identification code to the mobile terminal 101 via the radio frequency interface 105, the mobile terminal 101 decrypts the received identification code by means of a key, and authenticates its legitimacy.
  • the POS machine that transmits the identification code is distinguished from the short-range communication POS machine 102 or the long-distance communication POS machine 103, and its own working mode is adjusted accordingly.
  • the key and the identification code are sent by the background authorization server 104 to the mobile terminal 101 and the POS machines 102, 103, respectively.
  • the identification code includes a POS distance type, a service type, a service subclass, a manufacturer number, and an authentication server number.
  • the mobile terminal 101 and the POS machines 102, 103 both have radio frequency modules and communicate via the radio frequency interface 105 built into the module.
  • the technical solution may also be a method for simultaneously supporting short-distance and long-distance communication, based on a system supporting simultaneous short-distance and long-distance communication, as shown in step 201 of FIG. First the system starts up, then perform the following steps:
  • the mobile terminal 101 receives the encrypted identification code sent from the POS machines 102, 103 through the radio frequency interface 105.
  • the mobile terminal 101 decrypts the received identity code by using a key, and determines whether the POS device that sends the identity code is a remote communication POS machine;
  • step B if the determination result is "Yes", that is, the POS machine transmitting the identification code is a long-distance communication POS machine, as shown in step 205 of FIG. 2, the mobile terminal 101 judges by running the program therein. Whether the self-working mode is a long-distance working mode, if the program determines that the mobile terminal 101 is in the short-distance working mode, as shown in step 207 of FIG. 2, the program automatically switches the working mode of the mobile terminal 101 to the remote working mode, and prohibits the close distance.
  • the work mode service is as shown in step 209 of FIG. 2. If the program determines that the mobile terminal is already in the remote working mode, skip to step E, as shown in step 210 of FIG. 2; D.
  • step B if the determination result is "No", that is, the POS machine transmitting the identification code is a short-range communication POS machine, as shown in step 204 of FIG. 2, the mobile terminal 101 judges by running the program therein. Whether the self working mode is a close working mode, if the program determines that the mobile terminal 101 is in the remote working mode, as shown in step 206 of FIG. 2, the program automatically switches the working mode of the mobile terminal 101 to the close working mode, and prohibits the remote working.
  • the mode service as shown in step 208 of FIG. 2, if the program determines that the mobile terminal is in the close working mode, skip to step E, as shown in step 210 of FIG. 2;
  • the mobile terminal 101 and the POS machine complete the data exchange through the radio frequency interface 105, enter the subsequent service processing flow, and complete the data exchange process, as shown in step 211 of FIG.
  • FIG. 3 is a structural diagram of the identification code encoding structure.

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Description

同时支持近距离和远距离通信的系统及方法
技术领域
本发明涉及一种连同机器一起使用的记录载体,特别是涉及带有半导体电路 元件的记录载体, 尤其涉及同时支持近距离和远距离通信的系统及方法。 背景技术
传统的非接触智能卡釆用 13.56MHz 的通信频率, 鉴于该工作频率较低, 其通信范围被限制很近的距离, 一般在 10cm以下, 但在高速公路出入口和机场 等通信距离要求较远 (数米和数十米以上) 的情况, 其自动收费系统需要釆用 更高频率完成如此距离的通信, 目前常用 5.8GHz的频段。随着移动终端的普及, 在移动终端上添加用于现金支付和交易的射频通信模块, 使得移动终端成为一 种具备超级功能的非接触卡和读卡器, 可以进行现金支付、 实现门禁等控制各 近距离交换数据的操作, 这样, 就需要移动终端同时具备近距离通信和远距离 通信的功能, 这个需求随着电子交易的发展变得越来越迫切。
同时支持近距离通信和远距离通信实际上是相互矛盾的。所谓近距离通信, 其不仅要求在近距离情况下能够通信, 还尤其要求此时射频信号有效覆盖范围 不能超越近距离通信规定的范围以确保通信的安全, 显然这样就不可能进行远 距离通信, 这就造成了矛盾; 在远距离通信情况下, 是可以进行近距离通信的, 这其中不存在问题。 因此, 同时支持近距离通信和远距离通信要解决的核心问 题是, 要使得通信终端能够切换工作模式, 控制射频覆盖范围。
此外, 还需要考虑通信和交易等业务的安全性问题, 近距离通信之所以要 限制射频信号覆盖的范围, 是因为近距离通信用于人群密集的场所, 需要考虑 防止误交易或者恶意交易, 把射频信号控制在很近的范围内 (如 10cm ) 就能够 从根本上确保安全。 因此, 如果要使得通信终端能够同时支持远近距离通信, 就需要制定一套严格可靠的工作模式切换机制, 使得所述模式的切换能够得到 有效控制以确保通信交易的安全。
目前欧美推广的用于移动电话支付的标准 NFC (Near Field Communication) 基于 13,56MHz的频段, 该频段因为频率较低, 无法达到较远距离 (如数米至数 十米) 的通信, 因此从实际应用上来看其无法满足远距离支付的需求。
中国专利 200610079046.2 提出一种应用于不停车收费的 13.56MHz 与 5.8GHz双频有源标签,它釆用了 5.8GHz射频标签 RFID技术用以实现高速公路 不停车收费, 同时兼容了目前使用的非接触 13.56MHz的非接触卡。该专利实现 既支持适用于高速公路缴费的远距离交易, 也支持近距离支付, 但其采用的方 法是双频率, 该方法是目前两种收费方法的简单组合, 该专利并没有提出如何 能够确保系统的安全以及是否可以共享数据, 其实用意义不大。
基于上述的应用需求 ,· 本发明提出了一种釆用同一频段、 同时支持近距 离和远距离通信和业务的系统。
上述现有技术的通信方法存在以下不足:
1、 基于 13.56MHz频段的通信, 因为频率较低, 难以达到较远距离的通信;
2、 采用两种频率简单组合的方法同时实现远距离和近距离通信, 无法确保 系统的安全以及完成数据共享, 实用意义不大。 发明内容
本发明要解决的技术问题在于避免上述现有技术的不足之处而提出一种同 时支持近距离和远距离通信的系统和方法。
本发明解决所述技术问题可以通过采用以下技术方案来实现: 一种同时支 持近距离和远距离通信的系统,移动终端、近距离通信 POS机或远距离通信 POS 机, 尤其是, 还包括后台授权服务器、 授权分配通道和射频接口, 移动终端和 近距离通信 POS机或远距离通信 POS机进行通信前, 所述后台授权服务器通过 授权分配通道将密钥信息传送给移动终端以及将身份识别码传送给近距离通信
POS机或远距离通信 POS机;所述移动终端与近距离通信 POS机或远距离通信 POS机借助射频接口完成数据交换。
移动终端和所述 POS机都安装有射频通信模块, 并借助该模块设置的射频 接口进行通信, 各该射频通信模块均工作在同一频段。
后台授权服务器将经过授权的包含 POS 类型的身份识别码发送给对应的 POS机。
不同类型的 POS机, 具有不同的 POS机身份识别码, 所述身份识别码具有 多种编码方式,但任何一种编码方式都包含 POS机的通信距离和业务类型信息, 以便所述移动终端作相应的区分。
移动终端具有近距离通信和远距离通信两种工作模式, 移动终端能通过运 行在其内的程序在两种工作模式间切换。
所述移动终端根据其当前工作模式, 自动调整自身的射频发射功率, 从而 控制其通信距离。
所述身份识别码由后台授权服务器加密后通过授权通道传送给 POS机。 开始通信时, 所述 POS机借助射频接口将身份识别码发送给移动终端, 该 移动终端借助密钥对接收到的身份识别码解密, 并且对其合法性进行鉴别, 从 而区分发送身份识别码的 POS机是近距离通信 POS机还是远距离通信 POS机, 相应地调整自身的工作模式, 而移动终端和 POS机进行通信前, 密钥和身份识 别码由后台授权服务器分别发送给移动终端和 POS机。
所述的身份识别码包括 POS机距离类型、 业务类型、 业务子类、 生产厂家 编号和鉴权服务器编号。
本发明解决所述的技术问题, 还可以进一步釆用以下技术方案来实现, 一 种同时支持近距离和远距离通信的方法, 基于同时支持近距离和远距离通信的 系统, 该方法包括步骤-
A、移动终端通过射频接口接收从 POS机发送过来的加密后的身份识别码;
B、 移动终端利用密钥对接收的身份识别码解密, 判断发送身份识别码的 POS机是否为远距离通信 POS机;
C、 上述步骤 B中, 若判断结果为"是", 即发送身份识别码的 POS机为远 距离通信 POS 机, 则移动终端通过运行在其内的程序判断自身工作模 式是否为远距离工作模式,若程序判断移动终端已经处于近距离工作模 式, 则程序自动将移动终端工作模式切换至远距离工作模式, 同时禁止 近距离工作模式业务, 若程序判断移动终端已经处于远距离工作模式, 则直接跳至步骤 E ;
D、 上述步骤 B中, 若判断结果为"否", 即发送身份识别码的 POS机为近 距离通信 POS 机, 则移动终端通过运行在其内的程序判断自身工作模 式是否为近距离工作模式, 若程序判断移动终端处于远距离工作模式, 则程序自动将移动终端工作模式切换至近距离工作模式,同时禁止远距 离工作模式业务, 若程序判断移动终端已经处于近距离工作模式, 则直 接跳至步骤 E;
E、 移动终端与 POS机通过射频接口完成数据交换, 进入后续业务处理流 程。
同现有技术相比较, 本发明的有益效果在于:
1、 能够采用统一频段, 同时支持近距离和远距离通信, 并能保证两种通信 模式下的通信和交易安全;
2、 可以采用统一的平台支持不同类型的业务, 灵活性和方便性都得到很大 的提高, 同时系统安全性也得到了保障。 附图说明
图 1是本发明所述系统的结构示意图;
图 2是本发明所述方法的工作流程图;
图 3是本发明所述身份识别码的编码结构示意图。 具体实施方式
以下结合附图所示之最佳实施例作进一步详述。
本发明之一种同时支持近距离和远距离通信的系统, 如图 1所示, 包括移 动终端 101、 近距离通信 POS机 102或远距离通信 POS机 103, 尤其是, 还包 括后台授权服务器 104、授权分配通道 106和射频接口 105,移动终端 101和 POS 机 102, 103进行通信前, 所述后台授权服务器 104通过授权分配通道 106将密 钥信息传送给移动终端 101 以及将身份识别码传送给近距离通信 POS机 102或 远距离通信 POS机 103 ; 所述移动终端 101与近距离通信 POS机 102或远距离 通信 POS机 103借助射频接口 105完成数据交换。
如图 .1所示, 移动终端 101和所述 POS机 102, 103都安装有射频通信模 块, 并借助该模块设置的射频接口 105 进行通信, 各该射频通信模块均工作在 同一频段。
后台授权服务器 104将经过授权的包含 POS类型的身份识别码发送给对应 的 POS机 102, 103; 不同类型的 POS机, 具有不同的 POS机身份识别码, 所 述身份识别码具有多种编码方式, 但任何一种编码方式都包含 POS机的通信距 离和业务类型信息, 以便所述移动终端 101作相应的区分。 移动终端 101 具有近距离通信和远距离通信两种工作模式, 所述移动终端 101通过运行在其内的程序在两种工作模式间切换。
所述移动终端 101 根据其当前工作模式, 自动调整自身的射频发射功率, 从而控制其通信距离。
所述身份识别码由后台授权服务器 104加密后通过授权通道传送给 POS机 102 , 103。
在进行通信时, 所述 POS机 102, 103借助射频接口 105将身份识别码发 送给移动终端 101, 该移动终端 101借助密钥对接收到的身份识别码进行解密, 并且对其合法性进行鉴别, 从而区分发送身份识别码的 POS 机是近距离通信 POS机 102还是远距离通信 POS机 103, 相应地调整自身的工作模式。
如图 1所示, 所述移动终端 101和 POS机 102, 103进行通信前, 密钥和 身份识别码由后台授权服务器 104分别发送给移动终端 101和 POS机 102 , 103。
如图 3所示, 所述的身份识别码包括 POS机距离类型、 业务类型、 业务子 类、 生产厂家编号和鉴权服务器编号。
移动终端 101和 POS机 102、 103都带有射频模块, 并通过该模块组建成 的射频接口 105进行通信。
为了解决本发明所提出的技术问题, 其技术方案还可以是, 一种同时支持 近距离和远距离通信的方法, 基于同时支持近距离和远距离通信的系统, 如图 2 步骤 201所示, 首先系统开始启动, 然后执行以下步骤:
A、 如图 2步骤 202所示, 移动终端 101通过射频接口 105接收从 POS机 102 , 103发送过来的加密后的身份识别码;
B、如图 2步骤 203所示,移动终端 101利用密钥对接收的身份识别码解密, 判断发送身份识别码的 POS机是否为远距离通信 POS机;
C、 上述步骤 B中, 若判断结果为"是", 即发送身份识别码的 POS机为远 距离通信 POS机, 如图 2步骤 205所示, 则移动终端 101通过运行在 其内的程序判断自身工作模式是否为远距离工作模式,若程序判断移动 终端 101处于近距离工作模式, 如图 2步骤 207所示, 则程序自动将移 动终端 101工作模式切换至远距离工作模式, 同时禁止近距离工作模式 业务如图 2步骤 209所示,若程序判断移动终端已经处于远距离工作模 式, 则直接跳至步骤 E, 如图 2步骤 210所示; D、 上述步骤 B中, 若判断结果为"否", 即发送身份识别码的 POS机为近 距离通信 POS机, 如图 2步骤 204所示, 则移动终端 101通过运行在 其内的程序判断自身工作模式是否为近距离工作模式,若程序判断移动 终端 101处于远距离工作模式, 如图 2步骤 206所示, 则程序自动将移 动终端 101工作模式切换至近距离工作模式, 同时禁止远距离工作模式 业务, 如图 2步骤 208所示, 若程序判断移动终端处于已经近距离工作 模式, 则直接跳至步骤 E, 如图 2步骤 210所示;
E、 移动终端 101与 POS机通过射频接口 105完成数据交换, 进入后续业 务处理流程, 完成数据交换过程, 如图 2步骤 211所示。
图 3为所述的身份识别码编码结构图。
上述实现过程为本发明的优先实现过程,本领域的技术人员在本发明的基础 上进行的通常变化和替换包含在本发明的保护范围之内。

Claims

权 利 要 求
1、 一种同时支持近距离和远距离通信的系统, 包括移动终端 (101)、 近距 离通信 POS机 (102) 和 /或远距离通信 POS机 (103), 其特征在于:
还包括后台授权服务器 (104)、 授权分配通道 (106) 和射频接口 (105), 移动终端(101)和 POS机(102, 103)进行通信前, 所述后台授权服务器( 104) 通过授权分配通道 (106) 将密钥信息传送给移动终端 (101) 以及将身份识别 码传送给近距离通信 POS机 (102) 或远距离通信 POS机 (103); 所述移动终 端 (101) 与近距离通信 POS机 (102) 或远距离通信 POS机 (103) 借助射频 接口 (105) 完成数据交换。 ·
2、 如权利要求 1所述的同时支持近距离和远距离通信的系统, 其特征在于: 移动终端 (101) 和所述 POS机 (102, 103) 都安装有射频通信模块, 并借 助该模块设置的射频接口 (105) 进行通信, 各该射频通信模块均工作在同一频 段。
3、 如权利要求 1所述的同时支持近距离和远距离通信的系统, 其特征在于: 后台授权服务器 (104) 将经过授权的包含 POS类型的身份识别码发送给对 应的 POS机 (102, 103)。
4、 如权利要求 1 或 3所述的同时支持近距离和远距离通信的系统, 其特征 在于:
不同类型的 POS机, 具有不同的 POS机身份识别码, 所述身份识别码具有 多种编码方式,但任何一种编码方式都包含 POS机的通信距离和业务类型信息, 以便所述移动终端 (101) 作相应的区分。
5、 如权利要求 1所述的同时支持近距离和远距离通信的系统, 其特征在于: 移动终端 (101) 具有近距离通信和远距离通信两种工作模式, 所述移动终 端 (101) 通过运行在其内的程序在两种工作模式间切换。
6、 如权利要求 1 或 5所述的同时支持近距离和远距离通信的系统, 其特征 在于:
所述移动终端 (101) 根据其当前工作模式, 自动调整自身的射频发射功率, 从而控制其通信距离。
7、 如权利要求 1所述的同时支持近距离和远距离通信的系统, 其特征在于: 所述身份识别码由后台授权服务器 (104) 加密后通过授权通道传送给 POS 机 ( 102, 103 )。
8、 如权利要求 1所述的同时支持近距离和远距离通信的系统, 其特征在于: 开始通信时, 所述 POS机 (102, 103 ) 借助射频接口 (105 ) 将身份识别码 发送给该移动终端(101 ), 移动终端(101 )借助密钥对接收到身份识别码解密, 并且对其合法性进行鉴别, 从而区分发送身份识别码的 POS 机是近距离通信 POS机 (102 ) 还是远距离通信 POS机 (103 ) , 相应地调整自身的工作模式。
9、 如权利要求 1所述的同时支持近距离和远距离通信的系统, 其特征在于: 所述的身份识别码包括 POS机距离类型、 业务类型、 业务子类、 生产厂家编 号和鉴权服务器编号。
10、 一种同时支持近距离和远距离通信的方法, 基于同时支持近距离和远距 离通信的系统, 其特征在于, 该方法包括步骤:
A、 移动终端 (101 ) 通过射频接口 (105 ) 接收从 POS机 (102, 103 ) 发送 过来的加密后的身份识别码;
B、 移动终端 (101 ) 利用密钥对接收的身份识别码进行解密, 判断发送身份 识别码的 POS机是否为远距离通信 POS机;
C、 上述步骤 B中, 若判断结果为"是", 即发送身份识别码的 POS机为远距 离通信 POS机, 则移动终端(101 )通过运行在其内的程序判断自身工作模式是 否为远距离工作模式, 若程序判断移动终端 (101 ) 处于近距离工作模式, 则程 序自动将移动终端 (101 ) 工作模式切换至远距离工作模式, 同时禁止近距离工 作模式业务,若程序判断移动终端已经处于远距离工作模式,则直接跳至步骤 E;
D、 上述步骤 B中, 若判断结果为"否", 即发送身份识别码的 POS机为近距 离通信 POS机, 则移动终端(101 )通过运行在其内的程序判断自身工作模式是 否为近距离工作模式, 若程序判断移动终端 (101 ) 处于远距离工作模式, 则程 序自动将移动终端 (101 ) 工作模式切换至近距离工作模式, 同时禁止远距离工 作模式业务,若程序判断移动终端已经处于近距离工作模式,则直接跳至步骤 E;
E、 移动终端 (101 ) 与 POS机通过射频接口 (105 ) 完成数据交换, 进入后 续业务处理流程。
PCT/CN2008/001913 2007-10-30 2008-11-24 同时支持近距离和远距离通信的系统及方法 WO2009140809A1 (zh)

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