A new function get_best_ul_tda() allows to select the "best" TDA out of
a number of TDA. Specifically, get_best_ul_tda() considers in how many
RBs a given TDA might be allocated, and multiplies this number of RBs
with the number of symbols in the TDA to form a "score". The TDA with
the best "score" is selected, considering it maximizes resource usage.
In phytest scheduler, we use this function to verify that the given TDA
can be really allocated in all selected slots.
Robert Schmidt
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