System and method for transmitting GPS signals over a network

Details System and method for transmitting GPS signals over a network System and method for transmitting GPS signals over a network

2008-05-21

2010-10-26

Phan, Dao L (Department: 3662)

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

Directive

Including a satellite

C342S357760

Reexamination Certificate

active

07821450

ABSTRACT:
A method involves digitizing an analog Global Positioning System (GPS) signal received directly from an antenna, storing the digitized analog GPS signal into data buffer storage units, and transmitting the data buffer storage units over a network. The GPS signal received directly from an antenna may be an unprocessed GPS signal. The method may include receiving and queuing the data buffer storage units, converting the digitized analog GPS signal from the data buffer storage units into an analog GPS signal, and transmitting the analog GPS signal to a GPS receiver. The data buffer storage units may be UDP packets and may be multicast over an IP network. The data buffer storage units may be ATM cells and may be transmitted over an ATM network. The analog GPS signal may be converted from electronic to photonic form, or vice versa, prior to storage in the data buffer storage units.

REFERENCES:
patent: 5508619 (1996-04-01), Ozawa et al.
patent: 6346911 (2002-02-01), King
patent: 6690323 (2004-02-01), Rog et al.
patent: 2004/0111241 (2004-06-01), Nakamitsu et al.
patent: 2009/0006699 (2009-01-01), Rofougaran
patent: 2009/0100495 (2009-04-01), Manapragada et al.

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