Design and performance analysis of collaborative spatial multiplexing for IEEE 802.16e-based systems
Bell Labs Technical Journal - 4G Wireless Technologies
EURASIP Journal on Wireless Communications and Networking
Random access heterogeneous MIMO networks
Proceedings of the ACM SIGCOMM 2011 conference
Carrier Frequency Offset Compensation with Successive Cancellation in Uplink OFDMA Systems
IEEE Transactions on Wireless Communications
Interference Alignment and Degrees of Freedom of the -User Interference Channel
IEEE Transactions on Information Theory
Interference Alignment Algorithms for the $K$ User Constant MIMO Interference Channel
IEEE Transactions on Signal Processing
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Multiple antenna techniques are widely being recognized as front-runners in improving the performance of a wireless network. Sharing a slot between two Mobile Stations (MSs) is defined in a Point-to-Multipoint (PMP) network, independent of the number of antennas at each MS. However, sharing a slot among more than two MSs in a PMP network is not studied in the literature. In this paper, we study if more than two MSs can share a slot for transmission. We find that there exists few realistic scenarios where more than two MSs can share a slot, thus improving the throughput of the network. We observe that the number of MSs sharing a slot is dependent not only on the number of antennas at each MS but also the multiple antenna technique utilized for transmission. When each MS has a constant rate requirement of 2 bps/Hz, we found that 3 MSs can share a slot when each MS uses Spatial Multiplexing techniques, while 4 MSs can share a slot when each MS uses Spatial Diversity techniques for transmission.