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Channel Impulse Response

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63 Threads found on edaboard.com: Channel Impulse Response
I have a transceiver with Tx, transmitted and Rx, recieved. And there is a channel transfer function H+noise (time domain). To simulate Tx passing through the channel, do i simply use the multiply * and do Tx*(H+noise) ?
u need to know..number of users ... number of sub carriers.... sub carrier freqs... and then length of channel impulse response..because cyclic extension length will be equal to the length of channel impulse response...
can anyone provide some guidance regarding the following. how the frequency dependent characteristics of a channel can be obtained from the channel impulse response.