To begin with the exercise, we need to install hardware and software components. First of all, we need to be sure that our computer and SDR board know each other. For that purpose, it’s necessary to install Universal Software Radio Peripheral (USRP) Hardware Driver (UHD) and UmTRX module to that driver on our machine. UHD

Read full story…

  • Journey to GSM. Part 1. Introduction

    In this series of articles with the codename “Journey to GSM”, we would like to familiarize any IT enthusiast with the technology we use everyday – Global System for Mobile communications (GSM). The main purpose of these articles is to introduce and demystify GSM and Software Defined Radio (SDR) technologies to a wide audience of

    Read full story…
  • How to get 3G working on the UmTRX

    Introduction Recently, our engineers made a patch for OpenBTS-UMTS that allows to launch UMTS-3G network on UmTRX hardware. In this article you will find all the details. Scroll down to see video how it works! OpenBTS-UMTS (http://openbts.org/w/index.php?title=OpenBTS-UMTS) is a Linux-based application that uses a software radio to present a UMTS network to any standard 3G

    Read full story…