Development of Dynamically Reconfigurable Software Waveform in Cognitive Radio System
Jianhua Yuan · Modern Electronics Technique · 2011
A low-cost but powerful waveform development platform suitable for the cognitive radio is established with GNU Radio software and USRP hardware to make the future wireless communication systems to be more flexible,support various waveforms,and adapt itself to the changing external environment.Several tunable knobs for on-line adjustment of waveform parameters,and an API for real-time reception and resolution of waveform request information from cognitive engine are set.The final testing results show that the designed platform can provide abundent dynamic reconfigurable software waveform for cognitive radio systems.