Presentation | 1998/3/18 DS/SS Predictive PN Code Tracking Loop Using Kalman Filter Takashi SHONO, Takahiko SABA, Shinsaku MORI, Iwao SASASE, |
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Abstract(in Japanese) | (See Japanese page) |
Abstract(in English) | We present a so-called predictive PN code tracking loop(PCTL)in DS/SS communication systems on the assumption that we apply DS/SS systems to wireless communications between aircrafts and a fixed base station. The PCTL is made up of delay-estimators combining the so-called modified code tracking loop (MCTL), which is one of the DLLs, with the Kalman filter. The estimated delay-controlled device transforms the propagation delay obtained by the kalman filter to the adaptive signal and inputs this signal to the MCTL discretely through the operational circuit. The PCTL can revise the degradation in the tracking performance of the MCTL under the constraint of Doppler effects and the channel noise. The tracking performance of the PCTL is investigated compared with the MCTL by computer simulations. It is shown that our proposed system has the higher code tracking performance than the MCTL from a viewpoint of tracking jitter. In addition, it is shown that even if the MCTL can not keep delay-lock tracking our proposed system keeps delay-lock tracking. |
Keyword(in Japanese) | (See Japanese page) |
Keyword(in English) | DS/SS communication system / code tracking / modified code tracking loop / Kalman filter |
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Committee | ISEC |
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Conference Date | 1998/3/18(1days) |
Place (in Japanese) | (See Japanese page) |
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Topics (in Japanese) | (See Japanese page) |
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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) | DS/SS Predictive PN Code Tracking Loop Using Kalman Filter |
Sub Title (in English) | |
Keyword(1) | DS/SS communication system |
Keyword(2) | code tracking |
Keyword(3) | modified code tracking loop |
Keyword(4) | Kalman filter |
1st Author's Name | Takashi SHONO |
1st Author's Affiliation | Dept.of Electrical Engineering, Keio University() |
2nd Author's Name | Takahiko SABA |
2nd Author's Affiliation | Dept.of Electrical & Computer Engineering Nagoya Institute of Technology |
3rd Author's Name | Shinsaku MORI |
3rd Author's Affiliation | Dept.of Electrical & Electronics Engineering Nippon Institute of Technology |
4th Author's Name | Iwao SASASE |
4th Author's Affiliation | Dept.of Electrical Engineering, Keio University |
Date | 1998/3/18 |
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Volume (vol) | vol.97 |
Number (no) | 611 |
Page | pp.pp.- |
#Pages | 6 |
Date of Issue |