Software Defined Radio (SDR)
Software Defined Radio, which is most commonly shortened to SDR or software radio, is a term that is used to refer to wireless communication where the transmitter modulation is created or defined through a computer [3]. During this process, the receiver utilizes a computer to get the signal intelligence. In addition, SDR can also be described as a radio communication system in which the various components have been ordinarily implemented in hardware. However, these components are executed through the means of software on an embedded system or a personal computer. In essence, the term refers to a mixture of software and hardware technologies whose radio operating functions are executed by using adjustable firmware or software functioning on programmable processing technologies.
Software Defined Radio (SDR) differs from other radio implementation methods in relation to the use of hardware and software technologies. The conventional hardware-based radio devices restrict cross-functionality and can only be adjusted through the use of physical intervention. This radio implementation method contributes to higher costs of production and limited flexibility in enabling multiple waveform standards. On the contrary, SDR technology enables an efficient and less costly radio implementation method. SDR differs in radio implementation method by allowing combination of hardware and software technologies...
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