Real time GPS software receiver with new fast signal tracking method

Author

Sonowal, Nomi ; Yadav, Rajeev ; kannan, S.

Author_Institution

Centre for Airborne Syst., Bangalore

fYear

2008

fDate

22-24 Jan. 2008

Firstpage

231

Lastpage

234

Abstract

This paper describes an approach of implementing software based GPS receiver acquisition and tracking for LI C/A signal on ADSP SHARC. The main objective of this paper is bring out fast GPS signal tracking method using which more number of channels(satellites) can be tracked on a fixed and limited resources DSP platform. Further, GPS acquisition, Carrier Pull-in and C/A Code prediction modules are discussed.AH the processing for the algorithms are done using sign bit of the ADC.A time domain based approach without early and late codes is used for Tracking GPS signal.

Keywords

Global Positioning System; digital signal processing chips; radio receivers; signal detection; software radio; tracking; ADSP SHARC; C/A code prediction module; DSP platform; L1 C/A signal; carrier pull-in module; real time GPS software receiver; signal tracking method; software based GPS receiver acquisition; software based GPS receiver tracking; Data mining; Digital signal processing; Global Positioning System; RF signals; Radio frequency; Satellite navigation systems; Signal processing; Signal processing algorithms; Signal sampling; Software performance; Acquisition; Prompt; Tracking;

fLanguage

English

Publisher

ieee

Conference_Titel

Radio and Wireless Symposium, 2008 IEEE

Conference_Location

Orlando, FL

Print_ISBN

978-1-4244-1462-8

Electronic_ISBN

978-1-4244-1463-5

Type

conf

DOI

10.1109/RWS.2008.4463471

Filename

4463471