| Presentation | 2003/2/28 On a Detection Method of FH Pattern with Likelihood Ratio Decision Hiroshi YOSHIHARA, Shinichi TACHIKAWA, |
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| PDF Download Page | PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | This paper proposes a novel detection method of Frequency Hopping (FH) pattern by iterative likelihood ratio calculations, and presents its properties. In a conventional FH system, large degradation of pattern detection arises by fluctuation of signal level for each frequency slot over a frequency selective fading channel. While, in the proposed method, an improvement of pattern detection probability can be obtained by iterative calculations of likelihood ratio values from time domain and ones from frequency domain. In this paper, the calculation method of likelihood ratio from these domains and the iterative method are shown fbr a maximum likelihood ratio decision. Then, a multilevel FSK(MFSK)/ FH svstem is employed, and the effect of the propoed method is shown by computer simulations. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | Frequency Hopping(FH) / iterative likelihood ratio calculations / maximum likelihood ratio decision / Multilevel FSK(MFSK) |
| Paper # | MoMuC2002-173,MW2002-255 |
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| Conference Information | |
| Committee | SST |
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| Conference Date | 2003/2/28(1days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | |
| Topics (in Japanese) | (See Japanese page) |
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| Paper Information | |
| Registration To | Spread Spectrum Technology (SST) |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | On a Detection Method of FH Pattern with Likelihood Ratio Decision |
| Sub Title (in English) | |
| Keyword(1) | Frequency Hopping(FH) |
| Keyword(2) | iterative likelihood ratio calculations |
| Keyword(3) | maximum likelihood ratio decision |
| Keyword(4) | Multilevel FSK(MFSK) |
| 1st Author's Name | Hiroshi YOSHIHARA |
| 1st Author's Affiliation | Faculty of Engineering, Naeaoka University of Technology() |
| 2nd Author's Name | Shinichi TACHIKAWA |
| 2nd Author's Affiliation | Faculty of Engineering, Naeaoka University of Technology |
| Date | 2003/2/28 |
| Paper # | MoMuC2002-173,MW2002-255 |
| Volume (vol) | vol.102 |
| Number (no) | 670 |
| Page | pp.pp.- |
| #Pages | 5 |
| Date of Issue | |