| Presentation | 2021-08-27 GPS Calculated Distance Error Improvement by Received Signal Power and Pseudo Range Estimations in Many Skyscrapers Environments Koichi Saito, Takatoshi Sugiyama, |
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| PDF Download Page |  PDF download Page Link |
| Abstract(in Japanese) | (See Japanese page) |
| Abstract(in English) | GPS positioning is calculated from the pseudo range calculated by the observed propagation time between GPS satellites and GPS receivers. When a reflected GPS signal is received, a longer pseudo range than the original linear distance is unfortunately calculated, so the positioning accuracy might be degraded. The pseudo range correction method that solves this problem needs to estimate the numbers of reflections and incident angles of the reflected GPS signals. In the conventional estimation using only the received GPS signals power, the estimation accuracies were insufficient. In this paper, we propose new estimation models that estimate the number of reflections and the incident angles respectively, by using not only the received GPS signal power but also the pseudo range before the correction. It is confirmed that the pseudo range correction using the proposed estimation models can improve calculated distance errors compared with the conventional estimation model. |
| Keyword(in Japanese) | (See Japanese page) |
| Keyword(in English) | GPS / Pseudo range / Reflected GPS signal / Calculated distance errors / Number of reflections / Incident angles |
| Paper # | SAT2021-37 |
| Date of Issue | 2021-08-19 (SAT) |
| Conference Information | |
| Committee | RCS / SAT |
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| Conference Date | 2021/8/26(2days) |
| Place (in Japanese) | (See Japanese page) |
| Place (in English) | Online |
| Topics (in Japanese) | (See Japanese page) |
| Topics (in English) | |
| Chair | Eiji Okamoto(Nagoya Inst. of Tech.) / Hiroyasu Ishikawa(Nihon Univ.) |
| Vice Chair | Toshihiko Nishimura(Hokkaido Univ.) / Tomoya Tandai(Toshiba) / Fumihide Kojima(NICT) / Tetsushi Ikegami(Meiji Univ.) / Takana Kaho(Shonan Inst. of Tech.) |
| Secretary | Toshihiko Nishimura(NEC) / Tomoya Tandai(Panasonic) / Fumihide Kojima(KDDI Research) / Tetsushi Ikegami(NICT) / Takana Kaho |
| Assistant | Koichi Adachi(Univ. of Electro-Comm.) / Osamu Nakamura(Sharp) / Manabu Sakai(Mitsubishi Electric) / Masashi Iwabuchi(NTT) / Tatsuki Okuyama(NTT DOCOMO) / Daisuke Goto(NTT) / Yuuki Koizumi(NHK) |
| Paper Information | |
| Registration To | Technical Committee on Radio Communication Systems / Technical Committee on Satellite Telecommunications |
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| Language | JPN |
| Title (in Japanese) | (See Japanese page) |
| Sub Title (in Japanese) | (See Japanese page) |
| Title (in English) | GPS Calculated Distance Error Improvement by Received Signal Power and Pseudo Range Estimations in Many Skyscrapers Environments |
| Sub Title (in English) | |
| Keyword(1) | GPS |
| Keyword(2) | Pseudo range |
| Keyword(3) | Reflected GPS signal |
| Keyword(4) | Calculated distance errors |
| Keyword(5) | Number of reflections |
| Keyword(6) | Incident angles |
| 1st Author's Name | Koichi Saito |
| 1st Author's Affiliation | Kogakuin University(Kogakuin Univ) |
| 2nd Author's Name | Takatoshi Sugiyama |
| 2nd Author's Affiliation | Kogakuin University(Kogakuin Univ) |
| Date | 2021-08-27 |
| Paper # | SAT2021-37 |
| Volume (vol) | vol.121 |
| Number (no) | SAT-152 |
| Page | pp.pp.49-54(SAT), |
| #Pages | 6 |
| Date of Issue | 2021-08-19 (SAT) |