GPS Receiver Module
The GPS receiver module is also known as the HIP module (Host Independence
Positioning).
Location and route of the vehicle are calculated in the navigation system with the data
from the GPS receiver module.
This module was already integrated in the head unit with the CCC system. It has the task
of converting the signals received from the GPS antenna together with the data from the
DSC control unit and yaw rate sensor.
The following information is calculated in the GPS receiver module:
• Longitude
• Latitude
• Altitude above sea level
• Direction (bearing)
• Speed
This information is known as Almanac data and it is transferred to the navigation system
for further processing. The Almanac data must be permanently stored for future refer-
ence. One of the reasons for this is that it takes a long time for data to be received again
from satellites after switching to terminal 15 from terminal status ignition "OFF".
This Almanac data ensures the position of the vehicle is recognized immediately after
starting the vehicle. Therefore the navigation system can also be used immediately.
Compared to the GPS receiver module of the Car Communication Computer the GPS
receiver module in the CIC has been greatly reduced in size while maintaining the same
functionality.
The graphic shows the size of the GPS
receiver module compared to the main
connection plug of the head unit.
Index Explanation
1
GPS receiver module
2
CIC main connection plug
CIC system’s GPS receiver size compared to the
Main Connector
63
F01 Audio Systems
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