Hyungsik Ju Eunsung Oh Daesik Hong Catching resource-devouring worms in next-generation wireless relay systems: Two-way relay and full-duplex relay. 58-65 2009 47 IEEE Commun. Mag. 9 https://doi.org/10.1109/MCOM.2009.5277456 db/journals/cm/cm47.html#JuOH09