Replication-Based Outer Bounds: On the Optimality of “Half the Cake” for Rank-Deficient MIMO Interference Networks

B Yuan, H Sun, SA Jafar - IEEE Transactions on Information …, 2017 - ieeexplore.ieee.org
In order to gain new insights into multiple-input-multiple-output (MIMO) interference
networks, the optimality of Σ k= 1 KM k/2 (half the cake per user) degrees of freedom is …

On the Optimality of" Half the Cake" for K-User Rank-Deficient Mk x Mk Interference Channel

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 …

[图书][B] Optimal Use of Multiple Antennas in Interference Networks-MIMO, Interference Alignment and Beyond

B Yuan - 2018 - search.proquest.com
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 …