Service Group Based FOFDM-IDMA Platform to Support Massive Connectivity and Low Latency Simultaneously in the Uplink IoT Environment

Table 1

Parameter configuration for MC and LL.

Parameter	MC	LL
Bandwidth	1.4 MHz
TTI length	1.2 ms	0.2 ms
Subcarrier spacing	3.75 kHz	33.33 KHz
FFT size	512	48
Symbol duration	266.67 μs	30 μs
# of symbols/TTI	4	6
CP length	10.6 μs	2.2 μs