Research Article

Deploying GIS Services into the Edge: A Study from Performance Evaluation and Optimization Viewpoint

Table 2

Parameter settings of the GIS system in experiments.

NameCommentValue

TNumber of terminals[5, 25]
HNumber of tasks in each terminal[10, 25]
Task generation rate of [0, 1]/s
Probability for to generate [0, 1]
Size of offloading request for [3, 5] MB
Size of offloading response for [1, 3] MB
Amount of ’s computation[200, 400] MI
Service rate of 1.5 MIPS
Service rate of the edge server1000 MIPS
Uplink transmission rate[1, 3] MB/s
Downlink transmission rate[3, 5] MB/s
Each calculation energy consumption of [8, 10] × 10−3 J/MI
Each calculation energy consumption of edge[3, 5] × 10−3 J/MI
Transmission energy consumption of [100, 120] mW
Transmission energy consumption of edge[60, 80] mW
Balance factor between energy and time[0, 1]