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Table 1 Experiment settings

From: Embedded mobile crowd service systems based on opportunistic geological grid and dynamical segmentation

Parameters

Value

Descriptions of system

Value

Number of embedded equipment

100

Development of algorithm

In embedded equipment and control by hardware

Number of geography services

30

Protocol of wireless communication

TS-SCDMA + IEEE 802.11g

Number of geography information services

20

Operating system of servers

Ubuntu 13.10

Scale

5 km2

Interval of opportunity geological grid

[5, 10]

Type of database

MySQL

Geographic information service type

Location information, geological information, map information and multimedia information