MMSE combining scheme with subblock noise covariance matrix for fractional sampling-ofdm receivers

Tatsuya Kobayashi; Haruki Nishimura; Yukitoshi Sanada

doi:10.1109/PIMRC.2008.4699481

MMSE combining scheme with subblock noise covariance matrix for fractional sampling-ofdm receivers

Tatsuya Kobayashi, Haruki Nishimura, Yukitoshi Sanada

電気情報工学科

研究成果: Conference contribution

抄録

A diversity scheme with fractional sampling (FS) in OFDM receivers is investigated recently. When a sharp filter is employed, the correlation of noise samples among the adjacent subcarriers increases, and the performance of this scheme is deteriorated. Therefore, low-complexity subcarrier based MMSE combining scheme with the subblock of the noise covariance matrix is proposed in this paper. Numerical results through computer simulation show that the MMSE combining scheme proposed in this paper can outperforms a conventional MRC scheme and a subcarrier based MMSE combining scheme, when the sharp filter is employed.

本文言語	English
ホスト出版物のタイトル	2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008
DOI	https://doi.org/10.1109/PIMRC.2008.4699481
出版ステータス	Published - 2008
イベント	2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008 - Poznan, Poland 継続期間: 2008 9月 15 → 2008 9月 18

出版物シリーズ

名前	IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC

Other

Other	2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008
国/地域	Poland
City	Poznan
Period	08/9/15 → 08/9/18

ASJC Scopus subject areas

電子工学および電気工学

文献へのアクセス

10.1109/PIMRC.2008.4699481

他のファイルとリンク

引用スタイル

Kobayashi, T., Nishimura, H., & Sanada, Y. (2008). MMSE combining scheme with subblock noise covariance matrix for fractional sampling-ofdm receivers. In 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008 [4699481] (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC). https://doi.org/10.1109/PIMRC.2008.4699481

MMSE combining scheme with subblock noise covariance matrix for fractional sampling-ofdm receivers. / Kobayashi, Tatsuya; Nishimura, Haruki; Sanada, Yukitoshi.

2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008. 2008. 4699481 (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC).

研究成果: Conference contribution

Kobayashi, T, Nishimura, H & Sanada, Y 2008, MMSE combining scheme with subblock noise covariance matrix for fractional sampling-ofdm receivers. in 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008., 4699481, IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC, 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008, Poznan, Poland, 08/9/15. https://doi.org/10.1109/PIMRC.2008.4699481

Kobayashi T, Nishimura H, Sanada Y. MMSE combining scheme with subblock noise covariance matrix for fractional sampling-ofdm receivers. In 2008 IEEE 19th International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC 2008. 2008. 4699481. (IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, PIMRC). doi: 10.1109/PIMRC.2008.4699481

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abstract = "A diversity scheme with fractional sampling (FS) in OFDM receivers is investigated recently. When a sharp filter is employed, the correlation of noise samples among the adjacent subcarriers increases, and the performance of this scheme is deteriorated. Therefore, low-complexity subcarrier based MMSE combining scheme with the subblock of the noise covariance matrix is proposed in this paper. Numerical results through computer simulation show that the MMSE combining scheme proposed in this paper can outperforms a conventional MRC scheme and a subcarrier based MMSE combining scheme, when the sharp filter is employed.",

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AB - A diversity scheme with fractional sampling (FS) in OFDM receivers is investigated recently. When a sharp filter is employed, the correlation of noise samples among the adjacent subcarriers increases, and the performance of this scheme is deteriorated. Therefore, low-complexity subcarrier based MMSE combining scheme with the subblock of the noise covariance matrix is proposed in this paper. Numerical results through computer simulation show that the MMSE combining scheme proposed in this paper can outperforms a conventional MRC scheme and a subcarrier based MMSE combining scheme, when the sharp filter is employed.

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MMSE combining scheme with subblock noise covariance matrix for fractional sampling-ofdm receivers

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