A prototype of a broadband wireless LAN with three mobile stations has been designed and built at the IBM Zurich Research Laboratory. Each station operates in conformance with the IEEE 802.11a WLAN standard and comprises a 5-GHz radio frontend realized with analog vendor components, a digital baseband implemented in a FPGA, and a medium-access control executed on an ARM9 embedded processor. This document describes the architectural design of the OFDM-based physical layer and provides details on the implementation of the analog radio frontend, the digital baseband and its interface to the MAC.
By: Simeon Furrer, Jens Jelitto, Wolfgang Schott, and Beat Weiss
Published in: RZ3534 in 2004
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