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- W160565556 abstract "It is well known that multiple-element antenna arrays can improve the performance and/or data rate of wireless communication systems in a fading environment. Antenna arrays can be employed at the transmitter and/or receiver side creating transmit and/or receive diversity. The aim of this PhD. thesis is to study, develop and combine efficient signal processing and/or coding techniques to exploit transmit and/or receive antenna diversity over wireless fading channels. Consequently, our document is divided in two parts: transmitter side and receiver side. In the first part of our document devoted to transmitter side, we deal especially with Space-Time coding aspects in MIMO (Multi-Input Multi-Output) system and we provide a new Space-Time architecture adapted to CDMA (Coded Division Multiple Access) context. We will examine how far we can go in performance when we use these coding schemes. In the second part of our document -receiver side- on the practical blind identification techniques, specially subspace-based schemes. In this part, we deal with main drawbacks of the subspace identification algorithms such as high computational complexity and lack of robustness to order over-estimation of propagation channel. Herein, we give several algorithms that overcome limitations of this technique. All of these algorithms are validated by simulations." @default.
- W160565556 created "2016-06-24" @default.
- W160565556 creator A5037688608 @default.
- W160565556 date "2003-01-01" @default.
- W160565556 modified "2023-09-27" @default.
- W160565556 title "Contributions on exploiting transmit and receive diversity for a multi-antenna wireless system" @default.
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