channel estimation in OFDM systems( LS, MMSE estimators) matlab code

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baby malik

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Plz help me out in matlab coding of channel estimation in ofdm syster
Speacially LS ESTIMATOR and MMSE ESTIMATOR.
Also tell me how to insert pilot symbols in data sequence and how to tap the channel.
Plz help me I need it urgently.
 

MMSE and LS algorithm can be applied only to the multitap filter i want to ask channel is multitap or single tap??
 

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