Stream Control for Interfering MIMO Links with Linear MMSE Receivers

Recent work has shown that the throughput performance of Wireless Local Area Networks (WLANs) can be significantly improved with the use of multiple-input and multiple-output (MIMO) links. This paper investigates the network throughput for different MIMO transmission schemes with linear MMSE receivers. Simulated throughput of two-link network topology suggests that stream control mechanism wherein an additional streams is added if it leads to an increment in the network throughput can improve the performance of interfering MIMO links, making them an attractive alternative to a TDMA fashion network. The performance of OL- MIMO can be further improved with optimal antenna selection. Our results further show that stream control renders significant throughput gain across a wide range of target bit-error rates (BER).