Critical Sensing Range for Mobile Heterogeneous Camera Sensor Networks

Yitao Hu, Xinbing Wang, Xiaoying GanDepartment of Electronic EngineeringShanghai Jiao Tong University, China

Outline

Basic Idea

Main Contribution

System Model

Numerical Analysis

2

Basic Idea

Coverage:

to measure how well a field is monitored by sensors within the field.

Camera Sensor Network Enrich the information of the monitored

region Do not possess omnidirectional sensing

ability as traditional ones

3

Main Contribution

Derived the Critical Condition

Considered the characteristic of Heterogeneity

Considered the characteristic of Mobility

4

System ModelSensing Model

5

System ModelDeployment ModelTwo main simplification

6

System ModelDeployment ModelTwo main simplification

7

System ModelDefinition of Critical

8

System ModelAn example:

2-dimensional random walk mobility model

9

System Model

10

System ModelNecessary Condition

11

System ModelNecessary Condition

12

System ModelNecessary Condition

13

System ModelNecessary Condition

14

System ModelNecessary Condition

15

System ModelSufficient Condition

16

System ModelSufficient Condition

17

System Model

18

Numerical Analysis

19

Numerical Analysis

20

Thank you !