Changing sub-carrier spacing in LTE toolbox

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Jiwoo Kim
Jiwoo Kim 2017-1-25
回答： Graham Freeland 2017-6-16
Hello, I'm wondering if there is a flexibility in changing sub-carrier spacing in LTE toolbox? In LTE, 15kHz sub-carrier spacing is fixed. However, I would like to change it to other value, says, 30kHz, 60kHz, or 120kHz. Does LTE toolbox support this parameter change?
Thanks, Jiwoo

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回答（1 个）

Graham Freeland
Graham Freeland 2017-6-16
Hi Jiwoo,
If you are interested in the agreed 3GPP 5G New Radio (NR) spacings (15KHz*2^n) then the OFDM modulator in the MATLAB 5G Library (available as an Add-On for LTE System Toolbox users) supports NR subcarrier spacings, matching Cyclic Prefix layout according to TR 38.802 NR agreements, F-OFDM and WOLA-OFDM, as well as TR 38.900 (now re-badged as TR 38.901) CDL and TDL channel models.
The 5G Library OFDM modulator is backwards compatible with the LTE specific one in the LTE System Toolbox so it's a drop-in replacement.
Cheers,
Graham

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