| Presentation | 2006-01-26 A filterbank based equalization technique for OFDM systems with insufficient guard interval Seiichiro HORIKAWA, Hideo KASAMI, Makoto TSURUTA, Hidehiro MATSUOKA, Hiroki SHOKI, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | OFDM (Orthogonal Frequency Division Multiplexing) systems operated in the Single Frequency Network (SFN) might face the problems derived from the delayed waves with the time difference larger than the Guard Interval (GI) which cause the Inter-Symbol Interference (ISI) and the Inter-Carrier Interference (ICI). We have proposed a filterbank based equalization technique, which applies the Maximum Likelihood Sequence Estimation (MLSE) to the filterbank output correspond to the "ISI-free" duration of the received signal. In this paper, we reduce the computational complexity of the proposed method by dividing the MLSE into two stages. The computer simulations which assume the Integrated Services Digital Broadcasting-Terrestrial (ISDB-T) show that the proposed method considerably improves the bit error rate performance compared with the conventional one tap equalization. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | OFDM / SFN / Guard interval / Inter-symbol interference / Inter-carrier interference / Filterbank / Maximum likelihood sequence estimation / Low complexity |
| Paper # | RCS2005-128 |
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| Conference Information | |
| Committee | RCS |
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| Conference Date | 2006/1/19(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Radio Communication Systems (RCS) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | A filterbank based equalization technique for OFDM systems with insufficient guard interval |
| Sub Title (in English) | |
| Keyword(1) | OFDM |
| Keyword(2) | SFN |
| Keyword(3) | Guard interval |
| Keyword(4) | Inter-symbol interference |
| Keyword(5) | Inter-carrier interference |
| Keyword(6) | Filterbank |
| Keyword(7) | Maximum likelihood sequence estimation |
| Keyword(8) | Low complexity |
| 1st Author's Name | Seiichiro HORIKAWA |
| 1st Author's Affiliation | Corporate R & D Center, Toshiba Corporation() |
| 2nd Author's Name | Hideo KASAMI |
| 2nd Author's Affiliation | Corporate R & D Center, Toshiba Corporation |
| 3rd Author's Name | Makoto TSURUTA |
| 3rd Author's Affiliation | Corporate R & D Center, Toshiba Corporation |
| 4th Author's Name | Hidehiro MATSUOKA |
| 4th Author's Affiliation | Corporate R & D Center, Toshiba Corporation |
| 5th Author's Name | Hiroki SHOKI |
| 5th Author's Affiliation | Corporate R & D Center, Toshiba Corporation |
| Date | 2006-01-26 |
| Paper # | RCS2005-128 |
| Volume (vol) | vol.105 |
| Number (no) | 559 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |