On the Flow-Level Delay of a Spatial Multiplexing MIMO Wireless Channel

Author

Mahmood, Kashif ; Rizk, Amr ; Jiang, Yuming

Author_Institution

Q2S, Norwegian Univ. of Sci. & Technol., Trondheim, Norway

fYear

2011

fDate

5-9 June 2011

Firstpage

1

Lastpage

6

Abstract

The MIMO wireless channel offers a rich ground for quality of service analysis. In this work, we present a stochastic network calculus analysis of a MIMO system, operating in spatial multiplexing mode, using moment generating functions (MGF). We quantify the spatial multiplexing gain, achieved through multiple antennas, for flow level quality of service (QoS) performance. Specifically we use Gilbert-Elliot model to describe individual spatial paths between the antenna pairs and model the whole channel by an N-State Markov Chain, where N depends upon the degrees of freedom available in the MIMO system. We derive probabilistic delay bounds for the system and show the impact of increasing the number of antennas on the delay bounds under various conditions, such as channel burstiness, signal strength and fading speed. Further we present results for multi-hop scenarios under statistical independence.

Keywords

MIMO communication; Markov processes; antenna arrays; quality of service; Gilbert-Elliot model; MIMO wireless channel; N-state Markov chain; QoS; bursty channels; fading speed; flow-level delay; moment generating functions; multihop scenarios; multiple antennas; probabilistic delay bounds; quality of service analysis; signal strength; spatial multiplexing gain; spatial multiplexing mode; statistical independence; stochastic network calculus analysis; Delay; Fading; MIMO; Markov processes; Multiplexing; Quality of service;

fLanguage

English

Publisher

ieee

Conference_Titel

Communications (ICC), 2011 IEEE International Conference on

Conference_Location

Kyoto

ISSN

1550-3607

Print_ISBN

978-1-61284-232-5

Electronic_ISBN

1550-3607

Type

conf

DOI

10.1109/icc.2011.5963105

Filename

5963105