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LTE: Why sub-carrier spacing is kept 15 Khz in LTE ?

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I know 15 Khz spacing is used between between two sub carrier. From where this 15 Khz is derived ?
What things are considered to calculate this number ?

posted Oct 8, 2016 by Neelam

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1 Answer

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Hi,

15Khz is the minimum spacing required to avoid interference. If you reduce still more then interference will be more. Based on statistics 3GPP defines it as 15KHZ

answer Oct 12, 2016 by Jaganathan
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