NEC adopts the real-time enhanced Linux and the integration
of Linux and real-time OS based on "2-CPU
solution" for the next generation mobile phones. In the
2-CPU solution, mobile phone services are done in an
application CPU (A-CPU) and a communication CPU
(C-CPU). The A-CPU is dedicated to mobile application
services and its OS is Linux for increasing software productivity.
The above real-time enhanced Linux is utilized
in A-CPU. The communication CPU is for communication
processing and OS of the C-CPU is a real-time OS
for the processing.