Multi-function device with positioning system and shared...

Details Multi-function device with positioning system and shared... Multi-function device with positioning system and shared...

2007-03-28

2008-08-05

Issing, Gregory C (Department: 3662)

Communications: directive radio wave systems and devices (e.g.,

Directive

Including a satellite

C375S150000

Reexamination Certificate

active

07408505

ABSTRACT:
A multi-function device with a positioning function and a real time positioning engine is disclosed. The device contains also a shared processor used by the positioning function and other functions of the device, such as a mobile radio-communication function. The positioning engine performs in real time the most computational intensive calculations of the positioning function, such as downsampling, Doppler mixing and correlation calculations. Since the received signal need not be stored, the memory requirements of the positioning function are significantly reduced if aiding data is available.

REFERENCES:
patent: 4894842 (1990-01-01), Broekhoven et al.
patent: 6430503 (2002-08-01), McBurney et al.

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