A software defined radio platform with direct conversion: SOPRANO

Shinichiro Haruyama, Robert Morelos-Zaragoza, Yukitoshi Sanada

Research output: Contribution to journalArticle

6 Citations (Scopus)


In this paper, a new software defined radio platform with direct conversion is introduced. The platform is named SOPRANO, which stands for Software Programmable and Hardware Reconfigurable Architecture for Network. Main features of SOPRANO include a high-level design methodology for digital circuits, direct conversion based on six-port technology, and novel digital signal processing algorithms for multi-band and multi-mode operation. The first prototype of the SOPRANO platform has been built and was able to receive M-ary PSK (Phase Shift Keying) and QAM (Quadrature Amplitude Modulation) signals, with two different carrier frequencies at 2.45 GHz and 5.25 GHz, by changing signal-processing software.

Original languageEnglish
Pages (from-to)67-76
Number of pages10
JournalWireless Personal Communications
Issue number1
Publication statusPublished - 2002 Oct 1



  • ADC
  • DAC
  • DC offset
  • DSP
  • Direct conversion
  • FPGA
  • I/Q imbalance compensation
  • LO leakage
  • MMIC
  • Matlab
  • Mixer
  • SPW
  • Six-port technology
  • Software defined radio
  • Software radio

ASJC Scopus subject areas

  • Computer Science Applications
  • Electrical and Electronic Engineering

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