5G NR Calculator | Sampling time, symbol duration, slots per frame

This page mentions 5G NR calculator. It takes subcarrier spacing and cyclic prefix type as inputs and provides sampling time, symbol duration, CP duration, slots per frame/subframe as outputs. The formula or equations used for physical layer parameters calculations in 5G NR calculator are also mentioned.

5G NR Calculator for Sampling time, symbol duration, slots per frame

5G NR CALCULATOR EXAMPLE:
Inputs :
SCS = 240 , CP = 0 (i.e. Normal)
Outputs :
Sampling time = 1.017 ns
Symbol duration = 4.166 µs
CP duration = 0.29 µs
Slots per subframe = 16
Slots per frame = 160

5G NR calculator formula or equations

Subcarrier spacing (KHz)	15	30	60	120	240
Symbol duration (µs)	66.7	33.3	16.7	8.33	4.17
CP duration (µS)	4.7	2.3	1.2 (Normal CP), 4.13 (Extended CP)	0.59	0.29
Max. nominal system BW (MHz)	50	100	100 (sub-6 GHz), 200 (mmwave)	400	400
FFT size (max.)	4096	4096	4096	4096	4096
Symbols per slot	14	14	14 (normal CP), 12 (extended CP)	14	14
Slots per subframe	1	2	4	8	16
Slots per frame	10	20	40	80	160

Table: Subcarrier spacing, Number of OFDM symbols and slots

Following equations or formula are used in this 5G NR system calculator. It calculates physical layer parameters.

Following points and formula are used for 5G NR calculations in the above mentioned 5G NR calculator.
➤Normal cyclic prefix consists of 14 OFDM symbols in a slot where as Extended cyclic prefix consists of 12 symbols.
➤FFT Size (N_f)= 4096
➤Symbol time = 1/subcarrier spacing