Table 9 Link level simulation for uplink TA-free access

System bandwidth

10 MHz

Duplex

FDD UL

Cell size

1732 m

TA error (open loop)

0∼13.3 μs

Subcarrier spacing

15 kHz

TF

1.07

Antenna configuration

1 Tx at UE

2 or 4 Rx at BS

User configuration

1 or 2 UE

PRB allocation

15 PRBs to one UE

MIMO mode

SIMO-MU-MIMO

Channel estimation

Real channel and noise estimation (LS based)

Modulation and coding scheme (MCS)

LTE MCS 4, 9, 16, 25

Channel models

ETU 3 km/h uncorrelated

Hybrid ARQ

Not modeled

Receiver

LMMSE

Reference signal

LTE R-8 DL CRS