Software Defined Radio (SDR) refers to a radio communication system where most of the traditional radio hardware components, such as filters, amplifiers, and modulators/demodulators, are replaced with software running on a general-purpose computer. In an SDR system, the analog signals received by the antenna are digitized by an analog-to-digital converter …

Where conventional satellites were earlier tailored to comply with single mission requirements, satellite developers are gradually adapting the vision of software-defined satellites which can be reprogrammed and reconfigured, to allow a satellite to take up new applications and expand its performance. Instead of viewing a satellite as a monolithic piece …