| Presentation | 2012-03-01 Error Probability of Information and Position Estimation of Mobile Optical Transmitter using Viterbi Algorithm Kohei HARADA, Yu MORISHIMA, Ikuo OKA, Shingo ATA, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | In free-space optical communications, such as intersatellite or satellite-earth station communication, a quadrant detector (QD) is often used for tracking mobile optical transmitter. The performance of QD is deteriorated by background noise especially in case of low-power signals. We propose a method for improved tracking using a detector-array arranged on a hexagonal lattice structure. The method is based on the maximum likelihood path in a position trellis with a memory of path history. The number of detectors in the array is equal to the number of trellis states, which can be reduced by a tracking-trellis. Simulation results show that the proposed method improves the accuracy of position estimation performance. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Free-Space Optical Communication / Viterbi Decoding / Position Estimation / Tracking |
| Paper # | IT2011-60,ISEC2011-87,WBS2011-61 |
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| Conference Information | |
| Committee | ISEC |
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| Conference Date | 2012/2/23(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 Security (ISEC) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | Error Probability of Information and Position Estimation of Mobile Optical Transmitter using Viterbi Algorithm |
| Sub Title (in English) | |
| Keyword(1) | Free-Space Optical Communication |
| Keyword(2) | Viterbi Decoding |
| Keyword(3) | Position Estimation |
| Keyword(4) | Tracking |
| 1st Author's Name | Kohei HARADA |
| 1st Author's Affiliation | Graduate School of Engineering, Osaka City University() |
| 2nd Author's Name | Yu MORISHIMA |
| 2nd Author's Affiliation | Graduate School of Engineering, Osaka City University |
| 3rd Author's Name | Ikuo OKA |
| 3rd Author's Affiliation | Graduate School of Engineering, Osaka City University |
| 4th Author's Name | Shingo ATA |
| 4th Author's Affiliation | Graduate School of Engineering, Osaka City University |
| Date | 2012-03-01 |
| Paper # | IT2011-60,ISEC2011-87,WBS2011-61 |
| Volume (vol) | vol.111 |
| Number (no) | 455 |
| Page | pp.pp.- |
| #Pages | 4 |
| Date of Issue | |