Research Article

Enhanced Handoff Scheme for Downlink-Uplink Asymmetric Channels in Cellular Systems

Table 3

Simulation environment and applied parameters.

Simulation parameters

Number of BSs 7 active BSs, 30 dummy BSs
Number of MSs 10 MSs per a cell
Cell coverage 1 km2
Velocity 60 km/h (Uniform dist.)
Path loss exponent 4
Shadowing model Log-normal distance (mean: 0, standard deviation: 8 dB), correlation distance: 50 m
Thermal noise density −174 dBm/Hz
Moving average window size 100 frames

System parameters

Bandwidth 10 MHz
Frame size 5 msec
Processing time 10 msec
Transmission delay 5 msec
Decision hysteresis 3 dB
Synchronization 5 msec
RF switching time 5 msec