B Yuan, H Sun, SA Jafar - 2015 IEEE Global Communications …, 2015 - ieeexplore.ieee.org
By introducing a novel outer bound, we find a sufficient condition for optimality of k=1^KM_k/2 degrees of freedom (half the cake per user) for a K-user multiple-input-multiple …
Degrees of freedom (DoF) studies of wireless networks have contributed many fundamental insights into their capacity limits. One of the most critical determinants of these capacity limits …