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2018•Proceedings of the 2nd International Conference on Computer Science and Application EngineeringRequires access

GNU Radio Based Bandpass Sampling Radio Processor

Hongmei Wang, Faguang Wang, Shiyin Li, Sanghyuk Lee, Chong Yao, Moldaulet Balykbay

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Abstract

Bandpass1 sampling (BPS), which can directly down-convert and digitize RF signals, is widely used in software-defined radio (SDR). Recently, GNU Radio, a free software toolkit for building SDR, has become popular. Based on BPS and signal-processing techniques, a receiver architecture for a digital RF frontend was presented and an SDR system using GNU Radio was built. The low-cost platform design of the bandpass sampling radio processor (BPSRP) was focused on and a multiband receiver without modification of the RF hardware was realized. An SDR that simultaneously receives a DQPSK video signal, a 16QAM signal, and a WBMF signal were implemented to demonstrate our method.

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What this paper is about

Bandpass1 sampling (BPS), which can directly down-convert and digitize RF signals, is widely used in software-defined radio (SDR). Recently, GNU Radio, a free software toolkit for building SDR, has become popular. Based on BPS and signal-processing techniques, a receiver architecture for a digital RF frontend was presented and an SDR system using GNU Radio was built. The low-cost platform design of the bandpass sampling radio processor (BPSRP) was focused on and a multiband receiver without modification of the RF hardware was realized. An SDR that simultaneously receives a DQPSK video signal, a 16QAM signal, and a WBMF signal were implemented to demonstrate our method.

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Available abstract

Bandpass1 sampling (BPS), which can directly down-convert and digitize RF signals, is widely used in software-defined radio (SDR). Recently, GNU Radio, a free software toolkit for building SDR, has become popular. Based on BPS and signal-processing techniques, a receiver architecture for a digital RF frontend was presented and an SDR system using GNU Radio was built. The low-cost platform design of the bandpass sampling radio processor (BPSRP) was focused on and a multiband receiver without modification of the RF hardware was realized. An SDR that simultaneously receives a DQPSK video signal, a 16QAM signal, and a WBMF signal were implemented to demonstrate our method.

Key concepts: Software-defined radio, Radio frequency, Radio receiver design, Digital radio, Computer science, SIGNAL (programming language), Sampling (signal processing), Digital signal processing

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