This article describes only the tip of the iceberg. The whole story is that Qualcomm has implemented in the digital domain envelope tracking technique along with digital predistortion. It is important note especially if we talk about LTE standard with carrier aggregation. So, RF DSP rules.
Replay available now: A handful of emerging network technologies are competing to be the preferred wide-area connection for the Internet of Things. All claim lower costs and power use than cellular but none have wide deployment yet. Listen in as proponents of leading contenders make their case to be the metro or national IoT network of the future. Rick Merritt, EE Times Silicon Valley Bureau Chief, moderators this discussion. Join in and ask his guests questions.