A multi-band Rel9 WCDMA/HSDPA/TDD LTE and FDD LTE transceiver with envelope tracking. - Shahrzad Tadjpour; Paolo Rossi; Luca Romanò; Ramesh Chokkalingam; Hamid Firouzkouhi; Feng Shi; M. Leroux; Danilo Gerna; A. Venca; John Vasa; Bala Ramachandran; Brian Brunn; et al. (ESSCIRC, 2014)