Method for Improving Indoor Positioning Accuracy Using Extended Kalman Filter

Table 2

Development environment.

Division	Item	Specifications
iBeacon	Estimote Beacon ×6	ARM Cortex-M0, BLE, motion and temperature sensors
Smartphone	H/W	iPhone 5S
App development platform	OS	OS X version 10.10.5 (Yosemite)
	Tool	Xcode version 7.1.1
	Language	Objective-C
	H/W	MacBook Pro, 3.1 GHz Intel Core i7, 16 GB DDR3 RAM
Server	OS	CentOS release 6.5 (Final)
	Kernel	64 bit
	Language	C, XML
	DB	Oracle Database Express Edition 11g Release 2