Development of Custom Interface Driver between USRP and SoC devices for SDR Applications
Boya Pradeep Kumar1, Chandra Sekhar Paidimarry2

1Boya Pradeep Kumar, Research Scholar, Department of Electronics and Communication Engineering, University College of Engineering, Osmania University, Hyderabad-500007, Telangana, India.
2Chandra Sekhar Paidimarry, Professor ,Department of Electronics and Communication Engineering, University College of Engineering, Osmania University, Hyderabad-500007, Telangana, India.

Manuscript received on 20 August 2019. | Revised Manuscript received on 04 September 2019. | Manuscript published on 30 September 2019. | PP: 2094-2098 | Volume-8 Issue-11, September 2019. | Retrieval Number: K19690981119/2019©BEIESP | DOI: 10.35940/ijitee.K1969.0981119
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© The Authors. Blue Eyes Intelligence Engineering and Sciences Publication (BEIESP). This is an open access article under the CC-BY-NC-ND license (http://creativecommons.org/licenses/by-nc-nd/4.0/)

Abstract: Global Navigation Satellite System (GNSS) is used to provide position based on satellite constellation. The GNSS Software defined radio (SDR) is a software approach which is more flexible than Hardware receivers. In GNSS SDR, most of the RF frontends are interfaced with a host-Personal Computer (PC). The host-PC based GNSS-SDR systems suffer from computational complexity and latency between IQ samples of GNSS signals. There are several RF front ends available to capture the real time signals. Among all these, USRP RF frontends are flexible for the prototype development. Earlier the host-PC was interfaced with the USRP device for the SDR implementation. In this work the, USRP N210 is interfaced with Zynq SoC device for GNSS SDR applications. This approach will introduce parallelism, which in turn leads to reduction in latency between IQ samples. A custom Ethernet driver to interface the USRP N210 with Zynq SoC device is proposed. The experimental results showcase that the proposed SoC based approach is suitable for GNSS-SDR prototype.
Keywords: GNSS, Software defined radio (SDR), RF, USRP, IQ, Zynq SOC device.
Scope of the Article: