
PrivaCy-Preserving reCeiPt ManageMent 241
e Nokia 6131 NFC phone architecture is shown in Figure8.1.
It consists of an Antenna, for detecting external targets such as
tags, external readers, or other Nokia 6131 NFC mobile phones; an
NFC modem, for providing the capability to send and receive com-
mands between antenna, secure element and phone rmware includ-
ing J2ME environment; a Secure element, for enabling third-party
application development using tag/card emulation; Phone rmware,
for providing mobile phone functions with NFC features; a SIM
card, for GSM subscription identication and service management;
J2ME environment included ...