questions about the convolution in 'LTE_channel _model.m'

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  • #4065
    wangxinxin
    Participant

    hello

    In ‘LTE_channel _model.m’, when doing time-variant convolution over ofdm symbols, it writes’ if(symbol_i==1||symbol_i==7)’ for longer symbols.

    In LTE system, when normal CP is used, the 1st and 8th symbols are longer symbols as I know.

    So what does ‘symbol_i==7’ mean or why is ‘symbol_i==7’?

    Thank you very much for your help

    #4066
    Stefan Schwarz
    Participant

    Hi,

    yes I agree, it should actually be symbol_i == 8, since the first symbol in each slot has longer CP. Thanks for pointing that out!

    You can correct it simply by setting “symbol_i == 8” in the corresponding “if” command.

    Regards,
    Stefan.

    #4067
    Stefan Schwarz
    Participant
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