Description: OFDM（orthogonal frequency division multiplexing) has been widely used in many areas for its good resistance to multipath fading and high bandwidth efficiency.In this paper,channel estimation,which is one of the key technologies in OFDM systems,were introduced.
Then we discuss the significance of the channel estimation and the classification of channel estimation.Finally,we study the algorithms of channel estimation such as MMSE,LS and LMMSE,and further get the simulation results.
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OFDM simulation
...............\LS_k_MSE_calc.m
...............\LS_k_MSE_calcH.m
...............\LS_MSE_calc.m
...............\MMSE_k_MSE_calc.m
...............\MMSE_k_MSE_calcH.m
...............\MMSE_MSE_calc.m
...............\MSE_compare.m
...............\SER_compare.m
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