GNSS receiver and method for GNSS memory code generation

Details GNSS receiver and method for GNSS memory code generation GNSS receiver and method for GNSS memory code generation

2011-08-02

2011-08-02

Kim, Kevin Y (Department: 2611)

Pulse or digital communications

Spread spectrum

Direct sequence

Reexamination Certificate

active

07991042

ABSTRACT:
The invention provides a Global Navigation Satellite System (GNSS) receiver. In one embodiment, the GNSS receiver comprises a memory, a buffer, a correlator, and a selector. The memory stores a memory code and outputs a portion of the memory code as a first code segment. The buffer comprises a plurality of component buffers and stores the first code segment into one of the component buffers in order. The selector selects a portion of the first code segments stored in the buffer as a second code segment output to the correlator according to the code phase selection signal, wherein the data length of the second code segment is equal to a correlation data length of the correlator. The correlator calculates a correlation between a received GNSS signal with the correlation data length and the second code segment.

REFERENCES:
patent: 5903595 (1999-05-01), Suzuki
patent: 6804290 (2004-10-01), King et al.
patent: 2003/0202565 (2003-10-01), Li et al.
patent: 2007/0274374 (2007-11-01), Abraham

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