Novel overlay/underlay cognitive radio waveforms using SD-SMSE framework to enhance spectrum efficiency- part i: theoretical framework and analysis in AWGN channel.
Vasu ChakravarthyXue LiZhiqiang WuMichael A. TempleF. GarberRajgopal KannanAthanasios V. VasilakosPublished in: IEEE Trans. Commun. (2009)