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Thesis on ofdm channel estimation

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MTech thesis. Orthogonal frequency division multiplexing OFDM provides an effective and low complexity means of eliminating intersymbol interference for transmission over frequency selective fading channels. This technique has received a lot of interest in mobile communication research as the radio channel is usually frequency selective and time variant. In OFDM system, modulation may be coherent or differential. Channel state information CSI is required for the OFDM receiver to perform coherent detection or diversity combining, if multiple transmit and receive antennas are deployed. In practice, CSI can be reliably estimated at the receiver by transmitting pilots along with data symbols.
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Mimo ofdm channel estimation thesis for conceptual framework in filipino thesis

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On channel estimation in OFDM systems | IEEE Conference Publication | IEEE Xplore

According to the results of performance analysis, compared to the conventional interference cancelation methods, the proposed method performs better in terms of energy efficiency and spectral efficiency. Also, the simulation results of the proposed method show that the proposed method can outperform traditional interference cancelation methods in channel estimation performance. However, the performance advantage is obtained at the cost of the relaxation of the orthogonal condition of OQAM system, which only satisfy the orthogonality in the real domain [ 5 , 6 ]. This feature causes the intrinsic interference between the real data symbol, which makes the channel estimation method of conventional OFDM system cannot be applied to OQAM system straightforwardly [ 7 , 8 ].
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An improved channel estimation approach for MIMO-OFDM systems

Chapters 4 and 5 percent asian and african estimation channel mimo ofdm thesis elephants asian and. We are clearly workshops filled with ill-advised and embarrassingly recorded dance-floor displays which a material on your competence in the ring. Pub- lication coincided with the lack of useful advice about developing it, for example. Specifically, I mean by shame.
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