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- W2233965445 abstract "For high Doppler spread channel scenario, in thispaper, we develop a channel estimation method for OrthogonalFrequency Division Multiple Access (OFDMA) based Amplifyand-Forward (AF) relay network. Specifically, using BasisExpansion Model (BEM) the fast time varying channels inSource-Relay and Relay-Destination links are approximated.Then a Least Square (LS) and a Linear MMSE (LMMSE)based algorithm is applied to estimate BEM coefficients which are used for channel reconstruction later. Then, we simulate some practical cases of user mobility. Simulation results indicate that the proposed estimators perform consistently in high Doppler spread scenario." @default.
- W2233965445 created "2016-06-24" @default.
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- W2233965445 date "2015-01-01" @default.
- W2233965445 modified "2023-09-27" @default.
- W2233965445 title "Time Varying Channel Estimation for Amplify-and-Forward Relay Network" @default.
- W2233965445 hasPublicationYear "2015" @default.
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