Research Article

Capacity Analysis and Optimization in Heterogeneous Network with Adaptive Cell Range Control

Table 1

System evaluation assumptions and parameters.

Parameters Values/descriptions

Macro base station deployment 19 3-sector cells with wrap-around
Site to site distance: 500 m
Height: 40 m above ground
Tx power: 46 dBm

LPN deployment 6 LPNs per macrocell on average
Height: 5 m above ground
Tx power: 30 dBm
Cell radius: 30 m

Propagation model ITU UMa [20]

Antenna model Macro: 3GPP [21]
LPN: dipole

Transmission scheme SU-MIMO 2Tx 2Rx

Scheduler Proportional fair

Traffic type Download

Number of users per macrocell 75

User distribution Uniform or in hotspot