Fundamentals of wireless communication
Fundamentals of wireless communication
Cross-layer analysis of downlink V-BLAST MIMO transmission exploiting multiuser diversity
IEEE Transactions on Wireless Communications
Packet level scheduling schemes for multi-user MIMO systems with beamforming
Proceedings of the 6th International Wireless Communications and Mobile Computing Conference
MIMO techniques in WiMAX and LTE: a feature overview
IEEE Communications Magazine
Optimal downlink multi-user MIMO cross-layer scheduling using HOL packet waiting time
IEEE Transactions on Wireless Communications
Cross-layer scheduling for multi-user MIMO systems
IEEE Communications Magazine
Computer Networks: The International Journal of Computer and Telecommunications Networking
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Multi-packet transmission from a single node to multiple destinations by exploiting the spatial dimension of the channel is a promising technique to increase the capacity of wireless networks. From the link layer point of view, this feature is known as Transmit Spatial Division Multiple Access (TxSDMA) and is supported by the use of multiple smart antennas at the transmitter. In this paper we analyze the impact of the buffer size on the performance of TxSDMA systems under QoS constraints. Results provide further insights in the cross-relations between the number of antennas, number of active users and the buffer size. The analysis done is based on a novel TxSDMA queueing model that, despite its simplicity, provides very accurate results for the range of situations in which TxSDMA systems work.