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.
Drones are, in essence, flying autonomous vehicles. Pros and cons surrounding drones today might well foreshadow the debate over the development of self-driving cars. In the context of a strongly regulated aviation industry, "self-flying" drones pose a fresh challenge. How safe is it to fly drones in different environments? Should drones be required for visual line of sight – as are piloted airplanes? Join EE Times' Junko Yoshida as she moderates a panel of drone experts.