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Estimation of Probability Distribution for Maxima of OSTBC-MIMO Channel Capacity in a Time Interval
JEON, Nam-Ryul,LEE, Chang-Hoon,KIM, Seong-Cheol The Institute of Electronics, Information and Comm 2010 IEICE TRANSACTIONS ON COMMUNICATIONS - Vol.93 No.11
<P>In this letter, the cumulative distribution function (CDF) for the maxima of the OSTBC-MIMO channel capacity in a temporal interval is estimated using the first-order Rice series approximation. As the estimation of the maxima distribution using the <I>Rice series</I> is applicable only to Gaussian random processes, the Gaussian-approximated probability density function (PDF) for the OSTBC-MIMO channel capacity is derived from existing exact PDF (non-Gaussian). The resulting CDF for the maxima capacity is useful to design OSTBC-MIMO systems.</P>
Lee Won-Cheol The Korea Institute of Information and Commucation 2006 Journal of communications and networks Vol.8 No.3
Suitable for multi-input multi-output (MIMO) communications, the joint beamforming space-time block coding (JBSTBC) scheme is proposed for high-speed downlink transmission. The major functionality of the scheme entails space-time block encoder and joint transmit and receive eigen-beamformer (EBF) incorporating with block-ordered layered decoder (BOLD), and its operating principle is described in this paper. Within these functionalities, the joint EBFs will be utilized for decorrelating fading channels to cause an enhancement in the spatial diversity gain. Furthermore, to fortify the capability of layered successive interference cancellation (LSIC) in block-ordered layered decoding process, this paper will develop a simple ad-hoc transmit power discrimination scheme (TPDS) based on a particular power discrimination function (PDF). To confirm the superior behavior of the proposed JBSTBC scheme employing ad-hoc TPDS, computer simulations will be conducted under various channel conditions with the provision of detailed mathematical derivations for clarifying its functionality.