Page 55 - 23_EETE_03
P. 55

EE|Times EUROPE   55

                                                How Modular SDRs Help Achieve Environmental Sustainability


























        SDR in a radar system


































        These before and after images show how a single SDR can take the place of several discrete hardware components.



        and other DSP functions. In these types of   single SDR can literally become an RF station,   ular SDRs, only the specific circuit board or
        systems, SDRs can replace hundreds or even   simultaneously performing signal generation,   electromechanical component that is causing
        thousands of discrete components, resulting   spectrum monitoring, power metering and   the problem needs to be replaced, which
        in a significant reduction in overall complex-  other functions.        reduces not only the downtime and costs but
        ity, cost, component count and size/footprint.                          the overall waste generated.
          For example, in a radar system, incor-  ENVIRONMENTAL BENEFITS OF       SDRs are designed to be energy-efficient,
        porating modular SDRs to replace discrete   MODULAR SDRs                using much less power than traditional
        components has been demonstrated to result   The use of modular SDRs in RF industries not   systems and thus optimizing the carbon foot-
        in a system that occupies less than 10% of the   only brings performance benefits to critical   print. Finally, because of their compact size,
        space of the original. This is because the flex-  equipment but provides huge environmental   they require fewer resources for transport and
        ibility and programmability of SDRs enable   benefits. SDRs can help reduce the overall   can be deployed in remote areas where tradi-
        the system to perform arbitrary functions   number of components in a system, which in   tional systems would not be viable. ■
        without any hardware modification, so a sin-  turn reduces the overall waste generated by a
        gle device can emulate virtually any piece of   great margin.           Kaue Morcelles is an independent technical
        RF equipment. Furthermore, multiple-input   When a problem occurs with a    writer for Per Vices. He is an electrical
        multiple-output (MIMO) SDRs can perform   hardware-based system, the entire system   engineer, with a focus on electronics design
        multiple functions at the same time, so a   often must be discarded. However, with mod-  and instrumentation.

                                                                                      www.eetimes.eu | MARCH 2023
   50   51   52   53   54   55   56   57   58   59   60