Research Article

Performance Study of Uplink and Downlink Splitting in Ultradense Highly Loaded Networks

Table 2

Simulation parameters.

Synthetic scenarioRealistic scenario

Operation frequency1.8 GHz1.8 GHz

Bandwidth20 MHz (100 PRBs)20 MHz (100 PRBs)

Deployment54 macros, 221 picos51 macros, 221 picos

User distribution7000 (uniformly distributed)7000 (outdoors)

SchedulerRound RobinRound Robin

Simulation time1000 ms1000 ms

Path loss calculation3GPP LTE Urban model3D ray tracing

Maximum TX powerMacro = 46 dBmMacro = 46 dBm
Pico = 30 dBmPico = 30 dBm
UE = 20 dBmUE = 20 dBm

Antenna systemMacro: 2 × 2Macro: 2 × 2
Pico: 2 × 2Pico: 2 × 2

Antenna gainMacro: 18 dBiMacro: 18 dBi
Pico: 2 dBiPico: 2 dBi

UEs mobilityPedestrian (3 km/h)Pedestrian (3 km/h)

Supported UL modulation schemesQPSKQPSK
16 QAM16 QAM
64 QAM64 QAM