Sentence examples for a challenge problem and from inspiring English sources

Thus, how to obtain the accurate CSI in a low-complexity manner for multiple AF-relays-assisted broadband cooperative diversity systems could be a challenge problem and has not been satisfactorily addressed, which motivates our present work.

Since the simulator is available to other university researchers, it can serve as a challenge problem for multivariable control and identification.

Compared to PID controller, the tuning of FOPID is more complex and remains a challenge problem.

It is a challenge problem to protect bidding prices.

Consideration of these issues is important as retention of the healthcare workforce is recognised as a major challenge problem by planners and policy makers [ 1, 46, 47].

This is certainly possible in principle, but currently, as far as we know, a challenging open problem and beyond the scope of this article.

Still, "departments are usually very willing to help, and they like a challenge and problem solving," continues Freeman.

In a world beset by so many challenges, problems and disputes, it is a sign of hope that more than 150 world leaders will gather this week at the United Nations to adopt a new vision for the future well-being of all humankind.

The term 'newly emerging needs' is a label to describe a loosely connected group of new challenges, problems and opportunities confronting children that are important and relevant to their overall wellbeing and development.

"Understanding star formation is a grand challenge problem," Klein said.

Two reasons make it a more challenge problem to classify mature miRNAs.