| Presentation | 2003/5/16 Space-Time/Space-Frequency Block Coded OFDM with Diagonalized Maximum Likelihood Decoder(ST/SF-OFDM with DMLD) Hiroshi KANEMARU, Tomoaki OHTSUKI, |
|---|---|
| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Recently, the Space-Time Block Coded OFDM (ST-OFDM9 that applies Space-Time Block Code (STBC) to OFDM has been proposed. The Space-Frequency Block Coded OFDM (SF-OFDM) has been also proposed where the block codes are formed over the space and frequency domains. ST-OFDM and SF-OFDM are known as the schemes that offer good performance over the multipath fading environments and the fast fading environments, respectively. The conditions of orthogonality required to separate received signals are that in ST-OFDM, the frequency responses of consecutive two OFDM symbols are almost the same and that in SF-OFDM, the frequency responses of the adjacent two subcarries are almost the same. In practical facing environments, however, these conditions of orthogonality sometimes cannot be satisfied. In such a case, the received signals cannot be well separeted and the performances are degraded. Recently, the diagonalized maximum likelihood decoder (DMLD) was proposed to maintain the orthogonality of STBC under the fast fading environments. In this report, we apply DMLD to ST/SF-OFDM to maintain the orthogonality of ST/SFBC and offer good performance under severe fading environments such as the fast fading environments and the multipath fading environments. We show that the performance of ST/SF-OFDM with DMLD outperform that of ST/SF-OFDM in terms of Bit Error Rate (BER). |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | STBC / ST-OFDM / SF-OFDM / DMLD |
| Paper # | RCS2003-40 |
| Date of Issue |
| Conference Information | |
| Committee | RCS |
|---|---|
| Conference Date | 2003/5/16(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | |
| Vice Chair | |
| Secretary | |
| Assistant | |
| Paper Information | |
| Registration To | Radio Communication Systems (RCS) |
|---|---|
| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Space-Time/Space-Frequency Block Coded OFDM with Diagonalized Maximum Likelihood Decoder(ST/SF-OFDM with DMLD) |
| Sub Title (in English) | |
| Keyword(1) | STBC |
| Keyword(2) | ST-OFDM |
| Keyword(3) | SF-OFDM |
| Keyword(4) | DMLD |
| 1st Author's Name | Hiroshi KANEMARU |
| 1st Author's Affiliation | Graduate School of Science and Technology, Tokyo University of Science() |
| 2nd Author's Name | Tomoaki OHTSUKI |
| 2nd Author's Affiliation | Faculty of Science and Technology, Tokyo University of Science |
| Date | 2003/5/16 |
| Paper # | RCS2003-40 |
| Volume (vol) | vol.103 |
| Number (no) | 66 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |