Abstract
In this paper, we investigate multiuser MIMO scheduling in LTE downlink cellular networks. We formulate the downlink LTE-A MIMO scheduling as a weighted sum rate maximization problem by allocating the RBs to users or user pairs subject to some constraints in LTE-A. We develop a low-complexity MU-MIMO scheduling and resource allocation algorithm and propose an adaptive switching approach between SU-MIMO and MU-MIMO to improve network performance. System-level simulation results demonstrate significantly performance improvement of the proposed MU-MIMO scheduling algorithm and the adaptive switching algorithm.
| Original language | English |
|---|---|
| Article number | 7022997 |
| Journal | IEEE Vehicular Technology Conference |
| Volume | 2015-January |
| Issue number | January |
| DOIs | |
| State | Published - 2014 |
| Event | 2014 79th IEEE Vehicular Technology Conference, VTC 2014-Spring - Seoul, Korea, Republic of Duration: 18 May 2014 → 21 May 2014 |