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Table 1 Simulation parameters

From: QoS priority-based dynamic frequency band allocation algorithm for load balancing and interference avoidance in 3GPP LTE HetNet

Parameters

Values

Link-level parameters

Frequency

2.19 GHz

Bandwidth (BTOT)

20 MHz

Channel model

AWGN

AMC formats

QPSK: 1/3, 1/2, 2/3, 4/5

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

64QAM: 2/3, 4/5

Channel coding

Turbo code (1/3)

Number of antennas

SISO (1 × 1)

System-level parameters

Number of eNBs

57 (two rings, 19 sites)

(only 21 inner cells are in the region of interest)

Inter-eNB distance

500 m

Initial FR zone radius (RFR)

0.65

Number of HeNBs

126 (6/grid)

HeNB deployment

5 × 5 grid

UEs per eNB and HeNB

10, 2

eNB frequency reuse

3

Minimum coupling loss

70 dB (eNB)

40 dB (HeNB)

Fading channel model

WINNER II

Path loss model

Urban (eNB)

Grid Model (HeNB)

Shadowing

Claussen Fading Model

UE speed

3 km/h

Noise spectral density

-175 dBm/Hz

Number of antennas

4 × 4

MIMO modes

CLSM

Antenna pattern

TS 36.942 3D (eNB)

Omnidirectional (HeNB)

UE receiver

Zero Forcing (ZF)

Traffic models

VoIP, video, gaming, HTTP, and FTP