OFDM transceiver for IEEE 802.20 standards

Awad, Y. and Crockett, Louise Helen and Stewart, R.W. (2009) OFDM transceiver for IEEE 802.20 standards. In: 17th European Signal Processing Conference, 2009-08-24 - 2009-08-28, Glasgow, Scotland.

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Abstract

Orthogonal Frequency Division Multiplexing (OFDM) is a modulation technique which is now widely used in various high speed mobile and wireless communication systems. In this paper we show the design and implementation of an OFDM transceiver for the IEEE 802.20 standard, featuring a variable length FFT, and targeting a low cost Xilinx® Spartan™ 3A DSP Field Programmable Gate Array (FPGA). The design includes dynamic FFT size, variable length cyclic prefix, and different window combination options to meet the requirements of the wideband Frequency Division Duplexing (FDD) mode of IEEE 802.20. The resources occupied by each part of the design are analysed. The paper also features test and implementation results.

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