An OFDM Carrier Frequency Offset Estimation Scheme with Wide Fractional Offset Estimation Range
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| Format: | Artículo científico |
| Sprache: | en |
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Universidad Nacional Autónoma de México
2013
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| _version_ | 1876482215884357632 |
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| author | C. Yu |
| author_facet | C. Yu |
| contents | An OFDM Carrier Frequency Offset Estimation Scheme with Wide Fractional Offset Estimation Range C. Yu Y. Lee S. Y. Kim G. I. Jee S. Yoon Ingeniería Estimation periodogram carrier frequency offset orthogonal frequency division multiplexing (OFDM) In this paper, we propose a carrier frequency offset (CFO) estimation scheme which is robust to the fractional CFO variation for orthogonal frequency division multiplexing (OFDM) systems. The proposed scheme first performs the envelope equalization process to convert the offset estimation problem to a carrier estimation problem, and then, estimates the integer and fractional parts of CFO by using periodogram of the received signal. Especially, in the estimation stage for fraction CFO, the ratio of the square-roots of periodograms is employed enlarging the estimation range of the stage than that of the conventional scheme. Numerical results demonstrate that the proposed scheme has better estimation performance than the conventional scheme for wider fractional CFO range in various channel conditions. 2013 artículo científico 1665-6423 https://www.redalyc.org/articulo.oa?id=47426225004 en http://www.redalyc.org/revista.oa?id=474 Journal of Applied Research and Technology application/pdf Universidad Nacional Autónoma de México Journal of Applied Research and Technology (México) Num.2 Vol.11 |
| format | Artículo científico |
| id | redalyc_47426225004 |
| institution | Redalyc |
| language | en |
| publishDate | 2013 |
| publisher | Universidad Nacional Autónoma de México |
| spellingShingle | An OFDM Carrier Frequency Offset Estimation Scheme with Wide Fractional Offset Estimation Range C. Yu Ingeniería Estimation periodogram carrier frequency offset orthogonal frequency division multiplexing (OFDM) An OFDM Carrier Frequency Offset Estimation Scheme with Wide Fractional Offset Estimation Range C. Yu Y. Lee S. Y. Kim G. I. Jee S. Yoon Ingeniería Estimation periodogram carrier frequency offset orthogonal frequency division multiplexing (OFDM) In this paper, we propose a carrier frequency offset (CFO) estimation scheme which is robust to the fractional CFO variation for orthogonal frequency division multiplexing (OFDM) systems. The proposed scheme first performs the envelope equalization process to convert the offset estimation problem to a carrier estimation problem, and then, estimates the integer and fractional parts of CFO by using periodogram of the received signal. Especially, in the estimation stage for fraction CFO, the ratio of the square-roots of periodograms is employed enlarging the estimation range of the stage than that of the conventional scheme. Numerical results demonstrate that the proposed scheme has better estimation performance than the conventional scheme for wider fractional CFO range in various channel conditions. 2013 artículo científico 1665-6423 https://www.redalyc.org/articulo.oa?id=47426225004 en http://www.redalyc.org/revista.oa?id=474 Journal of Applied Research and Technology application/pdf Universidad Nacional Autónoma de México Journal of Applied Research and Technology (México) Num.2 Vol.11 |
| title | An OFDM Carrier Frequency Offset Estimation Scheme with Wide Fractional Offset Estimation Range |
| topic | Ingeniería Estimation periodogram carrier frequency offset orthogonal frequency division multiplexing (OFDM) |
| url | https://www.redalyc.org/articulo.oa?id=47426225004 |