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학술지 The Design Method and Performance Analysis of RF Subsampling Frontend for SDR/CR Receivers
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저자
김형중, 김진업, 김재형, 왕홍매, 이인성
발행일
201005
출처
IEEE Transactions on Industrial Electronics, v.57 no.5, pp.1518-1525
ISSN
0278-0046
출판사
IEEE
DOI
https://dx.doi.org/10.1109/TIE.2009.2033491
초록
RF subsampling can be used by radio receivers to directly down convert and digitize RF signals. The goal of software-defined radio (SDR) design is to place analog-to-digital converter (ADC) as near the antenna as possible. Based on this, an RF subsampling frontend (FE) for SDR is designed and verified by a hardware platform. The effects of timing jitter, ADC resolution, and folding noise dominating SNR degradation sources in the digital FE were considered. We present an efficient method of SNR measurement and an analysis of its performance. The experimental results indicate that the three degradation sources are sufficient to estimate the performance of the RF subsampling FE, and this conclusion matches the theoretical analysis results. © 2006 IEEE.
KSP 제안 키워드
ADC resolution, Analog to digital converter(ADC), Design method, Hardware platform, Performance analysis, RF signal, Software Defined Radio(SDR), Theoretical Analysis, radio receivers, timing jitter