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Journal Article The Design Method and Performance Analysis of RF Subsampling Frontend for SDR/CR Receivers
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Authors
Hyung-Jung Kim, Jin-Up Kim, Jae-Hyung Kim, Hongmei Wang, In-Sung Lee
Issue Date
2010-05
Citation
IEEE Transactions on Industrial Electronics, v.57, no.5, pp.1518-1525
ISSN
0278-0046
Publisher
IEEE
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/TIE.2009.2033491
Project Code
09MR3900, Research on environment-adaptive autonomous technologies for mobile wireless access, Kim Jinup
Abstract
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 Keywords
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