Abstract
We consider a single-macrocell heterogeneous multiple-input multiple-output network, where the macrocell shares the same frequency band with the femto network. The interference power to the macro users from the femto base stations is kept below a threshold to guarantee that the performance of the macro users does not degrade due to femto network. For this setting, we consider the problem of finding the set of all achievable power-rate tuples. Using the scalarization method, we cast the problem of finding the set of achievable power-rate tuples as a mathematical optimization problem. Using simulations we obtained the different sets of all achievable power-rate values, when the users are served by both macrocell and femtocells, and only by macrocell.
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