A robust chaos radar for collision detection and vehicular ranging in intelligent transportation systems
A robust chaos radar for collision detection and vehicular ranging in intelligent transportation systems
- Neue Suche nach: Venkatasubramanian, V.
- Neue Suche nach: Leung, H.
- Neue Suche nach: Venkatasubramanian, V.
- Neue Suche nach: Leung, H.
This work presents a robust chaos radar system for collision detection and vehicular ranging in intelligent transportation systems (ITS). The robustness of the scheme lies in its multipath mitigation characteristics. By exploiting the spread spectrum (SS) nature of chaos, a high resolution radar system is designed. A cost effective receiver architecture for multipath mitigation in vehicular channel is proposed here. The receiver adaptively equalizes the vehicular multi-path channel minimizing a non-linear prediction error (MNPE) criteria. The MNPE receiver performance is derived to analyze its multi-path mitigation performance. Numerical simulations are performed to validate the theoretical results. The performance of the proposed radar is compared with the conventional direct sequence spread spectrum (DS-SS) ranging scheme. It is shown that the proposed chaos radar outperforms the conventional DS-SS ranging scheme in the vehicular multi-path environment.
Dokumentinformationen
A robust chaos radar for collision detection and vehicular ranging in intelligent transportation systems
2004-01-01
353952 byte
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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