Wireless Communications and Mobile Computing / 2018 / Article / Tab 1

Research Article

Rate-Adaptive Multiple Access for Uplink Grant-Free Transmission

Table 1

Simulation parameters.

Parameters Values or Assumptions

User number 100
Activation probability 0.002 : 0.002 : 0.06
Waveform OFDM
Average received SNR Uniformly distributed in  dB
Small scale channel model Rayleigh fading, with correlation coefficients, equals 0.2, 0.5, and 0.8
Transmission mode TM 1 (SISO)
Length of information bits 1024
Channel coding 1/3 rate Turbo
Modulation of conv-GF QPSK
Modulation of RAMA Use Figure 8(a) with
Channel estimation Ideal
Receiver MMSE-SIC