This, however, requires guts.
All this, however, requires cheap and proven technology.
The technology used to achieve this, however, requires skills in mathematics, statistics and computing.
Even this, however, requires migrants to get beyond the delicate southern frontier zone to a big city, where they ought to be able to melt more easily into the general population and perhaps find a job.
This, however, requires more advance travel planning and more careful monitoring of the cheaper, nonrefundable tickets, which usually expire within a year and sometimes are lost when travel plans change.
This however requires further validation.
This, however, requires thorough study of sources.
To achieve this, however, requires that the right sort of ecosystem is put in place.
This, however, requires an entire dissolution of the social-science distinction.
This, however, requires repeated pre-evaluation of beamformers, resulting in a high complexity.
This however requires large feedback overhead for frequency division duplexing (FDD) CoMP systems.
