Analog representation and digital implementation of OFDM systems

Yuan-Pei Lin; See May Phoong

doi:10.1109/ISCAS.2003.1205760

Analog representation and digital implementation of OFDM systems

Yuan-Pei Lin^*, See May Phoong

^*此作品的通信作者

電機工程學系

研究成果 › 同行評審

1 引文斯高帕斯（Scopus）

摘要

Many existing results on the analysis of OFDM systems are based on an analog representation. The actual implementation of OFDM transmitters typically consists of a discrete DFT matrix and a digital-to-analog (DAC) converter. In this paper, we show that the analog representation admits the implementation of a DFT matrix followed by a DAC converter only in special cases. Necessary and sufficient conditions for such cases will be given. Analyses based on the analog representation, e.g., spectral roll-off of transmitter outputs and carrier frequency offset, may not be appropriate when digital implementation is employed.

原文	English
文章編號	1205760
頁（從 - 到）	IV-9 - IV-12
頁數	4
期刊	Proceedings - IEEE International Symposium on Circuits and Systems
卷	4
DOIs	https://doi.org/10.1109/ISCAS.2003.1205760
出版狀態	Published - 25 5月 2003
事件	Proceedings of the 2003 IEEE International Symposium on Circuits and Systems - Bangkok, 泰國持續時間: 25 5月 2003 → 28 5月 2003

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AB - Many existing results on the analysis of OFDM systems are based on an analog representation. The actual implementation of OFDM transmitters typically consists of a discrete DFT matrix and a digital-to-analog (DAC) converter. In this paper, we show that the analog representation admits the implementation of a DFT matrix followed by a DAC converter only in special cases. Necessary and sufficient conditions for such cases will be given. Analyses based on the analog representation, e.g., spectral roll-off of transmitter outputs and carrier frequency offset, may not be appropriate when digital implementation is employed.

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M3 - Conference article

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VL - 4

SP - IV-9 - IV-12

JO - Proceedings - IEEE International Symposium on Circuits and Systems

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T2 - Proceedings of the 2003 IEEE International Symposium on Circuits and Systems

Y2 - 25 May 2003 through 28 May 2003

ER -

Analog representation and digital implementation of OFDM systems

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