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1.An embedded high sensitivity navigation receiver for GPS Yangchun Shi; Lingwen Zhang; YouBao Liu Consumer Electronics, Communications and Networks (CECNet), 2011 International Conference on 2. Information identification algorithm for satellite navigation under hostile interference Yangchun Shi; Jing Wang Consumer Electronics, Communications and Networks (CECNet), 2011 International Conference on |
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Accession number: 20112414060146 Title: Information identification algorithm for satellite navigation under hostile interference Authors: Shi, Yangchun1 ; Wang, Jing2 Author affiliation: 1 Lab. of SoC, Xi'An Microelectronics Technology Institute, Xi'an, China 2 Department of Computer Research, Xi'An Microelectronics Technology Institute, Xi'an, China Corresponding author: Shi, Y. (sycnzl@163.com) Source title: 2011 International Conference on Consumer Electronics, Communications and Networks, CECNet 2011 - Proceedings Abbreviated source title: Int. Conf. Consum. Electron., Commun. Networks, CECNet - Proc. Monograph title: 2011 International Conference on Consumer Electronics, Communications and Networks, CECNet 2011 - Proceedings Issue date: 2011 Publication year: 2011 Pages: 1340-1343 Article number: 5768299 Language: English ISBN-13: 9781612844572 Document type: Conference article (CA) Conference name: 2011 International Conference on Consumer Electronics, Communications and Networks, CECNet 2011 Conference date: April 16, 2011 - April 18, 2011 Conference location: XianNing, China Conference code: 85030 Sponsor: IEEE Consumer Electronics Society Publisher: IEEE Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States Abstract: An information identification algorithm (IIA) for satellite navigation system was proposed in this paper. It uses the fuzzy step size least-mean-square (FLMS) adaptive filter and power distributing predominance wavelet packets transform (PDP-WPT) to eliminate the hostile interference in the process of information identification. Compared with the conventional LMS algorithm, the FLMS performs high convergence rate and low steady-state fluctuation error. PDP-WPT was presented to track the interference effectively, which improves the convergence rate of information identification. Simulations were conducted to evaluate the convergence rate and identification capability of the proposed algorithm. © 2011 IEEE. Number of references: 9 Main heading: Convergence of numerical methods Controlled terms: Adaptive filtering - Adaptive filters - Algorithms - Consumer electronics - Fuzzy filters - Navigation - Satellite navigation aids - Satellites - Wavelet transforms Uncontrolled terms: Convergence rates - Identification algorithms - information identification - Least mean squares - LMS algorithms - satellite navigation - Satellite navigation systems - Steady-state fluctuation - Step size - Wavelet Packet - Wavelet packets transform Classification code: 921.3 Mathematical Transformations - 913 Production Planning and Control; Manufacturing - 731.1 Control Systems - 921.6 Numerical Methods - 723 Computer Software, Data Handling and Applications - 655.2 Satellites - 655.1 Spacecraft, General - 715 Electronic Equipment, General Purpose and Industrial DOI: 10.1109/CECNET.2011.5768299 Database: Compendex |
3Â¥2012-04-24 21:38:34
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Accession number: 20112414060304 Title: An embedded high sensitivity navigation receiver for GPS Authors: Shi, Yangchun1 ; Zhang, Lingwen1 ; Liu, YouBao1 Author affiliation: 1 Lab. of SoC, Xi'an Microelectronics Technology Institute, Xi'an, China Corresponding author: Shi, Y. (sycnzl@163.com) Source title: 2011 International Conference on Consumer Electronics, Communications and Networks, CECNet 2011 - Proceedings Abbreviated source title: Int. Conf. Consum. Electron., Commun. Networks, CECNet - Proc. Monograph title: 2011 International Conference on Consumer Electronics, Communications and Networks, CECNet 2011 - Proceedings Issue date: 2011 Publication year: 2011 Pages: 1023-1026 Article number: 5768340 Language: English ISBN-13: 9781612844572 Document type: Conference article (CA) Conference name: 2011 International Conference on Consumer Electronics, Communications and Networks, CECNet 2011 Conference date: April 16, 2011 - April 18, 2011 Conference location: XianNing, China Conference code: 85030 Sponsor: IEEE Consumer Electronics Society Publisher: IEEE Computer Society, 445 Hoes Lane - P.O.Box 1331, Piscataway, NJ 08855-1331, United States Abstract: A high sensitivity navigation receiver based on FPGA and DSP was presented in this paper, which performed to mitigate cross correlations between multiple satellite signals. The hardware was consisted of RF parts, FPGA and DSP. The core chips were SPARTAN3 and TMS320VC5402, which were adapted to process navigation data and calculate user position. The RF Front-End received the navigation signal and convert it to IF signal which was transferred to FPGA. The algorithm of acquisition and tracking of navigation signal were implemented with SPARTAN3. A parallel correlator using three local replica C/A code was developed here, which improved the acquiring efficiency. This system calculated the user position by TMS320VC5402. © 2011 IEEE. Number of references: 7 Main heading: Global positioning system Controlled terms: Consumer electronics - Navigation Uncontrolled terms: Cross correlations - High sensitivity - IF signals - Multiple satellites - Navigation data - Navigation receiver - Navigation signals - Parallel correlators - RF front end - Spartan-3 Classification code: 715 Electronic Equipment, General Purpose and Industrial - 716.3 Radio Systems and Equipment - 913 Production Planning and Control; Manufacturing DOI: 10.1109/CECNET.2011.5768340 Database: Compendex |
2Â¥2012-04-24 21:37:57













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