Netgear AirCard 598U (Sprint) 사용자 가이드
Section 17D, GPS Questions 186
Frequen
tly Asked Que
s
tions
Section 17D
GPS Questions
Terminology
GPS Bar = The interface that is described starting on page 93
GPS = Global Positioning Systems
HEPE = Horizontal Estimated Position Error (equates to GPS accuracy)
NMEA = National Marine Electronics Association
LBS = Location-Based Services
BMF = Business Mobility Framework
IMQ = Idle Mode Query (Service Option 35)
AFLT = Advanced Forward Link Trilateration
Questions About GPS Technology
What is GPS?
GPS Satellites transmit signals to equipment on the ground. GPS Receivers passively
receive satellite signals, but do not transmit. There are various GPS standards for User Plane
and Control Plane.
receive satellite signals, but do not transmit. There are various GPS standards for User Plane
and Control Plane.
What is GPS User Plane?
It is the ability to execute GPS Requests at the subscriber level (that is, on your Mobile
Broadband Device).
Broadband Device).
What is GPS Control Plane?
It is the ability to execute GPS Requests at the server level (that is, via the network).
What GPS mode options are supported?
GPS on a Sprint Mobile Broadband device works like any other GPS device. Sprint provides
two types of GPS: GPS Basic and GPS Premium.
two types of GPS: GPS Basic and GPS Premium.
What is GPS Basic?
GPS Basic allows the Mobile Broadband device to do regular GPS for outdoor use. In this
mode, the GPS receiver (device) requires an unobstructed view of GPS satellites (the sky),
and like any other GPS device, often does not perform well within forested areas or near tall
buildings.
mode, the GPS receiver (device) requires an unobstructed view of GPS satellites (the sky),
and like any other GPS device, often does not perform well within forested areas or near tall
buildings.