单线协议

单线协议英語:,缩写SWP)也称單線連接協議,是SIM卡蜂窝电话近場通訊(NFC)芯片之间单线连接的一个规范。它目前正在由欧洲电信标准协会(ETSI)进行最终审查。[1][2]

SWP是非接触式前端(CLF)与UICC(SIM卡芯片)之间的一个接口。它是用于非接触通信的一个协议。UICC的C6针脚是连接到用于SWP支持的CLF。它是一种面向位元的全双工协议,即能够同时传输与接收。CLF充当主机,UICC充当从机。CLF为UICC提供能量,传输时钟、数据和信号用于总线管理。传输的数据由单线上的电压电流二进制状态表示。

参见

来源

  1. ETSI SCP Activity Report 2007.[3]
  2. The Register, The future of the SIM hangs by a single Wire 2008.[4]
  3. GSM Association: Requirements For SWP NFC Handsets V2 2008.[5]
  4. Fast Company: Nokia's 2011 Smartphones Have Built-In Wireless Payment Tech: Take That, Apple![6]

参考资料

  1. ETSI TS 102 613 V.11.0.0 - UICC-CLF Interface; Part 1: Physical and data link layer characteristics (Release 11)
  2. ETSI TS 102 622 V.12.1.0 - UICC-CLF Interface; Host Controller Interface (HCI) (Release 12)
  3. http://portal.etsi.org/scp/activityreport2007.asp
  4. http://www.theregister.co.uk/2008/02/14/swp_sim_nfc/
  5. (PDF). [2017-02-10]. (原始内容 (PDF)存档于2009-11-22).
  6. http://www.fastcompany.com/1661488/nokias-2011-smartphones-have-built-wireless-payment-tech-take-apple
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