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Performance evaluation and analysis of space-time coding for high data rate wireless personal communications

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2 Author(s)
Yi Gong ; Dept. of Electr. & Electron. Eng., Hong Kong Univ., Hong Kong ; Letaief, K.B.

The third generation wireless personal and mobile communication systems are required to support both high-quality and high data-rate services. However, high-speed transmission over wireless communication links is severely restricted by the wireless environment limitations such as intersymbol interference, propagation fading, additive noise and co-channel interference. This paper investigates the use of space-time coding for high-speed data transmission, as well as, study the effect of time delay spread on such scheme in multipath fading channels. Using a random variable decomposition technique, we also present an analytical model and obtain an approximate bound of the pair-wise error probability for space-time coded systems over multipath and time-dispersive fading channels. It is shown that the presence of multipath does not reduce the diversity gain provided by the original design criteria which is adopted to construct specific space-time codes in quasi-static flat fading, but the coding gain decreases due to the effect of multiple paths

Published in:

Vehicular Technology Conference, 1999. VTC 1999 - Fall. IEEE VTS 50th  (Volume:3 )

Date of Conference:

1999