Influence of ADC Nonlinearity on the Performance of an OFDM Receiver
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概要
- 論文の詳細を見る
This paper discusses the influence of the nonlinearity of analog-to-digital converters (ADCs) on the performance of orthogonal frequency division multiplexing (OFDM) receivers. We evaluate signal constellations and bit error rate performances while considering quantization errors and clippings. The optimum range for an ADC input amplitude is found as a result of the trade-off between quantization error and the effects of clipping. In addition, it is shown that the peak-to-average power ratio (PAPR) of the signal is not a good measure of the bit error rate (BER) performance, since the largest peaks occur only with very low probabilities. The relationship between the location of a subcarrier and its performance is studied. As a result, it is shown that the influence of the quantization error is identical for all subcarriers, while the effects of clipping depend on the subcarrier frequency. When clipping occurs, the BER performance of a subcarrier near the center frequency is worse than that near the edges.
- 社団法人電子情報通信学会の論文
- 2006-12-01
著者
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SAWADA Manabu
Research Laboratories, DENSO CORPORATION
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Makido S
The School Of Engineering Nagoya University:(present Address)toyota Central R&d Labs. Inc.
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Yamazato T
Nagoya Univ. Nagoya Jpn
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Yamazato Takaya
Nagoya University
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Yamazato Takaya
Faculty Of Science And Technology Keio University:nagoya University
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Saito Masato
Nara Inst. Of Sci. And Technol. Ikoma‐shi Jpn
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Yamazato Takaya
Ecotopia Science Institute Nagoya University
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Yamazato Takaya
School Of Engineering Nagoya University
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KATAYAMA Masaaki
EcoTopia Science Institute, Nagoya University
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OKADA Hiraku
Department of Electrical Engineering and Computer Science, Nagoya University
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Katayama Masaaki
Ecotopia Science Institute Nagoya University
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Katayama Masaaki
Nagoya Univ. Nagoya‐shi Jpn
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Okada Hiraku
Department Of Electrical Engineering And Computer Science Nagoya University:(present Office)niigata
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Sawada Manabu
Research Laboratories Denso Corporation:department Of Electrical Engineering And Computer Science Gr
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Sawada Manabu
Research Laboratories Denso Corporation
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Katayama M
Ecotopia Science Institute Nagoya University
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