Glossary

Terms

ABI
Application Binary Interface
AGPS
Assisted GPS
AOSP
Android Open Source Project
API
Application Programming Interface
ARP
Address Resolution Protocol
BDS
BěiDǒu satellite navigation System (Peoples Republic of China)
C/A
Coarse/Acquisition code
Cb
Call-Back
CBEE
Client Based Extended Ephemeris
CDMA
Code Division Multiple Access
CEP
Circular Error Probable
CODEC
COder-DECoder
D suffix
Daemon
db
Decibel
DNSS
Defence Navigation Satellite System
DOP
Dilution of Precision
DORIS
Détermination d'Orbite et Radiopositionnement Intégré par Satellite (France)
DSP
Digital Signal Processor
EGNOS
European Navigation Overlay Service
FDMA
Frequency Division Multiple Access
GLL
Geo-Location Library
GLONASS
GLObalnaya NAvigatsionnaya Sputnikovaya Sistema (Russia)
GNSS
Global Navigation Satellite System
GPS
Global Positioning System (see NAVSTAR)
HAL
Hardware Abstraction Layer
IOV
In Orbit Vehicle
IRNSS
Indian Regional Navigation Satellite System
KF
Kalman Filter
LAN
Local Area Network
LASS
Local Area Augmentation System
LBS
Location Based Services
LMU
Location Measurement Unit
LTO
Long Term Orbits
ME
Measurement Engine
MEIF
Measurement Engine InterFace
NAVSTAR
NAVigation System using Timing And Ranging
NDA
Non Disclosure Agreement
NMEA
National Marine Electronics Association
PAN
Personal Area Network
PDA
Personal Digital Assistant
PE
Positioning Engine
PND
Personal Navigation Device
PNT
Positioning, Navigation, and Timing
PPB
Parts Per Billion
PPM
Pulses Per Minute
PPS
Pulses Per Second
PRN
Pseudo Random Noise
PVT
Position, Velocity, and Time
QZSS
Quasi-Zenith Satellite System (Japan)
RIL
Radio Interface Layer
RNSS
Radio Navigation Satellite Service (1559-1610 MHz)
RTK
Real Time Kinematics
SBAS
Space Based Augmentation System
SO
Search Object
SSL
Secure Socket Layer (see also TLS)
SUPL
Secure User Plane Location
SV
Satellite Vehicle
TLS
Transport Layer Security
TTFF
Time To First Fix
UART
Universal Asynchronous Receiver Transmitter
VRS
Virtual Reference Station
WAN
Wide Area Network
WLAN
Wireless Local Area Network
WWAN
Wireless Wide Area Network