A queueing model for SDMA downlink transmissions

Authors:
Ruizhi Liao;Boris Bellalta;Miquel Oliver;Núria Garcia
Affiliations:
NETS Research Group, Dpt. of Information and Communication Technologies, Universitat Pompeu Fabra, Barcelona, Spain;NETS Research Group, Dpt. of Information and Communication Technologies, Universitat Pompeu Fabra, Barcelona, Spain;NETS Research Group, Dpt. of Information and Communication Technologies, Universitat Pompeu Fabra, Barcelona, Spain;NETS Research Group, Dpt. of Information and Communication Technologies, Universitat Pompeu Fabra, Barcelona, Spain
Venue:
MACOM'10 Proceedings of the Third international conference on Multiple access communications
Year:
2010

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Abstract

This paper presents a simple queuing model to explore the benefits of simultaneous downlink transmissions by utilizing the Multiple Input Multiple Output (MIMO) technology when a finite-buffer queue is considered. Results show that the system performance, in terms of frame losses and delay, can not be properly explored without considering the impact of the queueing process and its interactions with the number of available spatial streams.