Definition	Acronyms
Biased Kalman Filtering	BKF
Binary Phase Shift Keying	BPSK
Carrier Sense Multiple Access with Collision Avoidance	CSMA/CA
Channel Impulse Response	CIR
Extended Kalman Filter	EKF
Federal Communications Commission	FCC
Full Function Device	FFD
Global Positioning System	GPS
Global System for Mobile Communications	GSM
Impulse Radio Ultra WideBand	IR-UWB
Indoor Positioning System	IPS
Infrared	IR
Infrared Data Association	IrDA
Joint Committee for Guides in Metrology	JCGM
Least Square with Distance Contraction	LS-DC
Line of Sight	LOS
Local Area Network	LAN
Low data Rate UWB	LR-UWB
Maximum Likelihood Estimation	MLE
Micro Electro Mechanical Sensors	MEMS
Minimum-Shift Keying	MSK
Non-Line-of-Sight	NLoS
On-Off Keying	OOK
Pseudo Random	PR
Pulse Amplitude Modulation	PAM
Pulse Position Modulation	PPM
Pulse Width Modulation	PWM
Radio Frequency	RF
Radio-Frequency Identification	RFID
Real-Time Location System	RTLS
Received Signal Strength	RSS
Reduced Function Device	RFD
Strengths, Weaknesses, Opportunities, and Threats	SWOT
Time Difference of Arrival	TDOA
Time Division Multiple Access	TDMA
Time-Hopping Binary Phase Shift Keying	TH-BPSK
Time-Hopping Pulse Position Modulation	TH-PPM
Time-Hopping Spread Spectrum	TH-SS
Time Modulated Ultra WideBand	TM-UWB
Angle of Arrival	AOA
Time of Arrival	TOA
Transmit Power Control	TPC
Ultra WideBand	UWB
Weighted Least Square with Multidimensional Scaling	WLS-MDS
Wireless Fidelity	WiFi
Wireless Local Area Network	WLAN
Wireless Personal Area Network	WPAN
Worldwide Interoperability for Microwave Access	WiMAX