Digital Multichannel GPS Receiver Baseband Modules Using Model Based Design Tools

Provided by: Academy & Industry Research Collaboration Center
Topic: Mobility
Format: PDF
This paper deals with the hardware implementation of base band (acquisition and tracking) modules of a GPS receiver using system generator 9.2 has been tried out. The implementation will be tested on Lyrtech (small form factor-software defined radio) platform which consists of 3 layers. The upper layer is the radio frequency (1 GHz) layer, middle layer is the ADAC MasterIII layer and the last is Digital Processing (DSP) layer. The data transfer between the FPGA Virtex-4SX35 and DSP module is done using a TMS320DM6446 Davinci processor. Generation of 17MHz Intermediate frequency has been done. The acquisition module based on parallel code phase search acquisition algorithm has been tried out.

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