| Presentation | 2005-04-22 Experiments on Adaptive Selection of Surviving Symbol Replica Candidates Based on the Maximum Reliability for QRM-MLD in MIMO Multiplexing Using VSF-Spread OFDM Radio Access Hiroyuki Kawai, Junichiro Kawamoto, Noriyuki Maeda, Kenichi Higuchi, Mamoru Sawahashi, |
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| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper presents experimental results on adaptive selection of surviving symbol replica candidates (ASESS) based on the maximum reliability for QRM-MLD in MIMO Multiplexing using VSF-Spread OFDM Radio access. The experimental results elucidate that the measured loss in the required average received signal energy per symbol-to-background noise power spectrum density ratio (E_s/N_0) per receiver antenna at the average packet error rate of 10^<-2> by the experiments is suppressed within 1 and 2 dB compared to computer simulation results for channel coding rate of R=1/2 and 8/9, respectively, using 16QAM modulation and Turbo coding in 4-by-4 MIMO multiplexing with the number of surviving symbol replica candidates of S_<2-4>=28. We also demonstrate that the real-time packet transmission of greater than 1 Gbps in a 100-MHz channel bandwidth (i.e., 10 bits/second/Hz) is achieved at the average received E_s/N_0 per receiver antenna of approximately 17.5 dB using 16QAM modulation and Turbo coding with the channel coding rate of 8/9 in 4-by-4 MIMO multiplexing by QRM-MLD with ASESS. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | VSF-Spread OFDM / MIMO multiplexing / Maximum likelihood detection / QR decomposition / adaptive selection of surviving symbol replica candidates |
| Paper # | RCS2005-9 |
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| Committee | RCS |
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| Conference Date | 2005/4/15(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) | Experiments on Adaptive Selection of Surviving Symbol Replica Candidates Based on the Maximum Reliability for QRM-MLD in MIMO Multiplexing Using VSF-Spread OFDM Radio Access |
| Sub Title (in English) | |
| Keyword(1) | VSF-Spread OFDM |
| Keyword(2) | MIMO multiplexing |
| Keyword(3) | Maximum likelihood detection |
| Keyword(4) | QR decomposition |
| Keyword(5) | adaptive selection of surviving symbol replica candidates |
| 1st Author's Name | Hiroyuki Kawai |
| 1st Author's Affiliation | IP Radio Network Development Department, NTT DoCoMo, Inc.() |
| 2nd Author's Name | Junichiro Kawamoto |
| 2nd Author's Affiliation | IP Radio Network Development Department, NTT DoCoMo, Inc. |
| 3rd Author's Name | Noriyuki Maeda |
| 3rd Author's Affiliation | IP Radio Network Development Department, NTT DoCoMo, Inc. |
| 4th Author's Name | Kenichi Higuchi |
| 4th Author's Affiliation | IP Radio Network Development Department, NTT DoCoMo, Inc. |
| 5th Author's Name | Mamoru Sawahashi |
| 5th Author's Affiliation | IP Radio Network Development Department, NTT DoCoMo, Inc. |
| Date | 2005-04-22 |
| Paper # | RCS2005-9 |
| Volume (vol) | vol.105 |
| Number (no) | 15 |
| Page | pp.pp.- |
| #Pages | 6 |
| Date of Issue | |