Multiple-Input-Single-Output (MISO) amplification and associated VPA control algorithms are provided herein. According to embodiments of the present invention, MISO amplifiers driven by VPA control algorithms outperform conventional outphasing amplifiers, including cascades of separate branch amplifiers...http://www.google.de/patents/US8013675?utm_source=gb-gplus-sharePatent US8013675 - Combiner-less multiple input single output (MISO) amplification with blended control