Unchained Cellular Obfuscation Areas for Location Privacy in Continuous Location-Based Service Queries

Algorithm 2

Producing an OA that satisfies all users.

Generate Obfuscation Area

Input: ,

,

NumOfCells

Output:

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8) )

(9)

(10)

(11)

(12)

(13) 

(14) 

FindDummyCell

Input:

(1)

(2)

(3)

(4)

(5)

(6)

(7)

(8)

(9)

(10) 

(11) 

(12) 

(13) 

(14) 

(15) 

(16) 

(17)