Reyat Yilmaz

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In this paper, the problem of channel estimation for transmissions coded with Alamouti's space-time block code is addressed. Under fast Rayleigh fading conditions, minimum mean square error decision-feedback equalizer is proposed for Alamouti's space-time block code, and, a least mean square based channel estimation algorithm which jointly operates with the(More)
In this work, modulation diversity is exploited for two way relay channel through which multiple sources transmit information to each other. Under a basic framework with two sources and a single relay, a system applying modulation diversity technique together with decode-and-forward (DF) and amplify-and-forward (AF) protocols is proposed. The performance of(More)
The problem of multichannel estimation for space-time coded transmissions over frequency-selective Rayleigh fading channels is addressed. Under fast fading conditions, receivers employing Kalman filtering and moderate complexity equalization schemes are proposed for both space-time block codes (STBCs) and space-time trellis codes (STTCs). Simulation results(More)
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