LTE Resource Block Calculator
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This page describes an LTE Resource Block Calculator that calculates the number of Physical Resource Blocks (PRB) based on the channel bandwidth. The formula used for the calculation is also provided. This calculator outputs the FFT size and the number of subcarriers used.
LTE PRB Calculator and Example
- Input: LTE Channel Bandwidth = 1.4 MHz
- Outputs:
- Number of used subcarriers = 72
- Number of Resource Blocks per slot = 6
- Number of FFT points (FFT size) = 128
- Number of Resource Blocks = 120
LTE PRB Calculation | LTE Resource Block Calculator
The following equations/formula are used in this LTE Resource Block Calculator:
- Number of Physical Resource Blocks (PRBs) in a slot (NPRBs) = Number of Used Carriers / 12
- Number of Physical Resource Blocks (PRBs) in an LTE frame = (NPRBs * 20)
Note: There are a total of 10 subframes in an LTE radio frame, and each subframe consists of two slots. Hence, there are a total of 20 slots per frame.
This LTE resource block calculation is very useful for LTE system engineers and LTE network engineers.
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