Research Article

Adaptive Handover Decision Algorithm Based on Multi-Influence Factors through Carrier Aggregation Implementation in LTE-Advanced System

Table 1

Simulation parameters [58].

Parameter Assumption

Cellular layoutHexagonal grid, 61 cell sites, 3 sectors per cell site, 2 CCs per sector
Minimum distance between UE and eNB ≥35 meters
Total eNB TX power46 dBm per CC
Shadowing standard deviation8 dB
eNBs noise figure 5 dB
UE noise figure9 dB
Operation carrier bandwidth20 MHz (PCC and SCC)
Total system bandwidth 40 MHz (2 CCs × 20 MHz)
Number of PRBs/CCs100 PRB/CC
Number of subcarriers/RBs 12 subcarriers per RB
Number of OFDM symbols per subframe7
Subcarrier spacing15 kHz
Resource block bandwidth180 kHz
Q_rxlevmin−101.5 dBm
Measurement interval50 ms for PCC and SCC
Each X2-interface delay10 ms
Each eNB process delay10 ms
T31110 s