Skip to main content

Table 2 3G LTE network model

From: Traffic models impact on OFDMA scheduling design

Parameter

Setting/description

Number of sub-carriers per resource block

12

Pilot and control channel overhead

3/14 symbols

Modulation and coding rate settings

QPSK: 1/3, 1/2, 2/3

16QAM: 1/2, 2/3, 4/5

64QAM: 2/3, 4/5

HARQ model

Ideal chase combining

Number of SAW processes

6

CQI measurement sub band

360 kHz (2 RBs)

CQI measurement time window

1 ms

CQI reporting interval

5 ms

CQI feedback delay

2 ms

CQI quantization step

1.0 dB

Error in CQI estimation

Gaussian (zero mean, 1 dB std)

BLER target for Outer Loop LA

10%

Admission control constraint

Unlimited number of users per cell