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Single user broadcasting in a MIMO channel | IEEE Conference Publication | IEEE Xplore

Single user broadcasting in a MIMO channel


Abstract:

A broadcast transmission strategy for the slowly fading Gaussian multiple input multiple output (MIMO) channel is introduced. This broadcast strategy is an extension of e...Show More

Abstract:

A broadcast transmission strategy for the slowly fading Gaussian multiple input multiple output (MIMO) channel is introduced. This broadcast strategy is an extension of earlier work of Shlomo Shamai (Shitz) (see IEEE Int. Symp. Inform. Theory - ISIT'97, p.150, 1997) for the single input single output (SISO) channel. It is assumed that perfect channel state information (CSI) is known at the receiver end only. This strategy facilitates adapting the reliably decoded rate to the actual channel state without having any feedback link to the transmitter. Transmission of layered coded information is motivated by the theory of majorization. We derive the basic equations characterizing achievable rates of the strategy. Several ad-hoc approximations to the achievable region are considered and their performance is compared with the SISO setting and the ergodic capacity. It has been demonstrated that a single layer outage approach is reasonably efficient in the MIMO setting in terms of the average reliably decoded rate.
Date of Conference: 31 March 2003 - 04 April 2003
Date Added to IEEE Xplore: 04 August 2003
Print ISBN:0-7803-7799-0
Conference Location: Paris, France

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