RFLTE Bandwidth, Sampling Frequency, and Resource Blocks Explained
This article explains the relationship between LTE bandwidth, sampling frequency, and resource blocks. See the table below for specific values. For instance, with a 512-point FFT, the bandwidth is 5 MHz, the sampling frequency is 7.68 MHz, and the number of resource blocks is 25. Refer to our LTE Terminology page for definitions of these terms.
LTE System Features
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LTE Terminology
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What is LTE?
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LTE UE Categories
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LTE Frequency Bands
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LTE Frame Structure
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LTE Physical Layer
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LTE Protocol Stack
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LTE Logical, Transport, Physical Channels
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LTE Throughput
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Voice over LTE
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Carrier Aggregation in LTE
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LTE Advanced
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LTE vs LTE Advanced
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LTE Bandwidth, Resource Blocks, and Sampling Frequency Table
| Channel Bandwidth (MHz) | 1.4 | 3 | 5 | 10 | 15 | 20 |
|---|---|---|---|---|---|---|
| No. of Resource Blocks (NRB) | 6 | 15 | 25 | 50 | 75 | 100 |
| No. of occupied subcarriers | 72 | 180 | 300 | 600 | 900 | 1200 |
| IFFT(Tx) / FFT size(Rx) | 128 | 256 | 512 | 1024 | 1536 | 2048 |
| No. of sampling frequency (sampling rate) | 1.92 | 3.84 | 7.68 | 15.36 | 23.04 | 30.72 |
| Samples per slot | 960 | 1920 | 3840 | 7680 | 11520 | 15360 |
