SYSTEM AND METHOD FOR IMPLEMENTING A HOST CARD EMULATION (HCE) COMMAND STACK IN A MOBILE PHONE

摘要

A method for implementing a host card emulation (HCE) service in a remote near field communication (NFC) device is provided. In the method, a first command application protocol data unit (APDU) is received at the remote NFC device from an NFC reader. A first response to the first command APDU is computed. A second command APDU from the NFC reader is predicted that is likely to follow receipt of the first command APDU from the NFC reader. A second response to the predicted second command APDU is computed. A third command APDU is received from the NFC reader. It is determined if the prediction of the second command APDU matches the third command APDU. If the second and third command APDUs match, then the computed second response is send directly to the NFC reader without having to traverse a NFC stack.