Technology Backgrounder

Design of Subscriber Station Software Stack
Using the Fujitsu 802.16-2004 SOC Reference Kit

Fujitsu Microelectronics America, Inc.

January 2007

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Introduction

The software stack for Fujitsu’s WiMAX based Subscriber station reference kit can be partitioned into several components -- including the boot strap image, device drivers, the board support package (BSP) with a real time operating system, configuration modules and the operating system wrapper, lower MAC, intermediate MAC and upper MAC.

A BSP can be a simple boot strap image with a serial interface driver to display the system boot up sequence, or can include a real time operating system kernel with various configuration modules like networking component, root file system, flash file system and drivers for various devices used in the system. A BSP with file system and networking components allows developers to read and write memory modules on the reference board and access the network.

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