| Presentation | 1993/5/25 The Evaluation of Two-dimensional Signal Constellation with Cutoff Rate. Atsushi Nagao, Tadashi Wadayama, Koichiro Wakasugi, Masao Kasahara, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | Wozencraft-Jacobs derived the bound of average error probability on multi-amplitude signals over an AWGN channel based on random coding.A limit of information transmission rate per dimension is derived by cutoff rate R_0 of this bound.The cutoff rate R_0 is usually smaller than the maximum rate R_0^* because they only consider signal constellations expressed by a direct product of one-dimensional signal constellation.In this paper,we try to improve the cutoff rate by expanding signal space to two- dimensional Euclidean space.The average error probability can be improved by optimizing probabilities of signal assignment. Our result show that,with A-PSK signal,R_0 approaches R_0^* in all SNR range,in comparison with one-dimension multi-amplitude signals′ R_0 derived by Wozencraft-Jacobs.With PSK signal,R_0 is c onsistent with R_0^* in low SNR range,because the probability of assignment has already been optimized due to the fine structure of signal constellation. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Cutoff rate / Average probability of error / Two-dimensonal signal constellation / Randam coding / PSK / A-PSK |
| Paper # | IT93-13 |
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| Conference Information | |
| Committee | IT |
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| Conference Date | 1993/5/25(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Information Theory (IT) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | The Evaluation of Two-dimensional Signal Constellation with Cutoff Rate. |
| Sub Title (in English) | |
| Keyword(1) | Cutoff rate |
| Keyword(2) | Average probability of error |
| Keyword(3) | Two-dimensonal signal constellation |
| Keyword(4) | Randam coding |
| Keyword(5) | PSK |
| Keyword(6) | A-PSK |
| 1st Author's Name | Atsushi Nagao |
| 1st Author's Affiliation | Department of Electronics and Information Science,Faculty of Engineering and Design,Kyoto Institute of Technology() |
| 2nd Author's Name | Tadashi Wadayama |
| 2nd Author's Affiliation | Department of Electronics and Information Science,Faculty of Engineering and Design,Kyoto Institute of Technology |
| 3rd Author's Name | Koichiro Wakasugi |
| 3rd Author's Affiliation | Department of Electronics and Information Science,Faculty of Engineering and Design,Kyoto Institute of Technology |
| 4th Author's Name | Masao Kasahara |
| 4th Author's Affiliation | Department of Electronics and Information Science,Faculty of Engineering and Design,Kyoto Institute of Technology |
| Date | 1993/5/25 |
| Paper # | IT93-13 |
| Volume (vol) | vol.93 |
| Number (no) | 64 |
| Page | pp.pp.- |
| #Pages | 6 |
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