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Synchronization for IR-UWB System Using a Switching Phase Detector-Based Impulse Phase-Locked Loop
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  • Synchronization for IR-UWB System Using a Switching Phase Detector-Based Impulse Phase-Locked Loop
  • Synchronization for IR-UWB System Using a Switching Phase Detector-Based Impulse Phase-Locked Loop
저자명
Zheng. Lin,Liu. Zhenghong,Wang. Mei
간행물명
ETRI journal
권/호정보
2012년|34권 2호|pp.175-183 (9 pages)
발행정보
한국전자통신연구원
파일정보
정기간행물|ENG|
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이 논문은 한국과학기술정보연구원과 논문 연계를 통해 무료로 제공되는 원문입니다.
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기타언어초록

Conventional synchronization algorithms for impulse radio require high-speed sampling and a precise local clock. Here, a phase-locked loop (PLL) scheme is introduced to acquire and track periodical impulses. The proposed impulse PLL (iPLL) is analyzed under an ideal Gaussian noise channel and multipath environment. The timing synchronization can be recovered directly from the locked frequency and phase. To make full use of the high harmonics of the received impulses efficiently in synchronization, the switching phase detector is applied in iPLL. It is capable of obtaining higher loop gain without a rise in timing errors. In different environments, simulations verify our analysis and show about one-tenth of the root mean square errors of conventional impulse synchronizations. The developed iPLL prototype applied in a high-speed ultra-wideband transceiver shows its feasibility, low complexity, and high precision.