2. Cell phone architecture and runtime environments

2.1 Cell phone architecture

The differentiating factor for handset manufacturers is their ability to deliver a lightweight, high-performance phone with long battery life that is aesthetically appealing to users, and offers the most integrated application experience possible. These challenges have a direct impact on phone architecture, since the choice of components influences performance, weight and final design...

• Each phone manufacturer has its own manufacturing secrets, architectures and assemblies. Nevertheless, all phones contain at least the following elements:

  • a component called the "application processor", on which the phone's applications and runtime environment run;

  ...