Re: [Discuss-gnuradio] GPS/DSSS question

[Krzysztof Kamieniecki]

I've been eyeing that book, but it feels like cheating to just buy it and implement their ideas. 
However I'm planning on buying it once I have something running, so i can see how badly I've screwed 
things up :)


Brent Ledvina wrote:

> Your algorithm should be modified in the following way:
>
> 1. Detect the code phase offset and carrier doppler shift using your 
> acquisition algorithm (by finding the peak signal power at a particular 
> Doppler offset).
> 2. Track the code offset using a delay-locked loop (DLL)
> 3.  Track the carrier frequency using a FLL or the frequency and phase 
> using a PLL.
>
> An good text on GPS receiver design using software receivers is 
> Fundamentals of Global Positioning Receivers: A Software Approach by 
> James Tsui, Wiley and Sons, 2000.
>
> Regards,
> Brent
<snip>
--
Krzysztof Kamieniecki
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