Chapter 10. Multirate Digital Signal Processing
Modern communication standards such as WiMAX and UMTS-LTE rely on multiple signaling bandwidths and modulation schemes to provide the user with a variety of services. At times, these services require high data rate communication utilizing complex modulation schemes for video and file transfer applications, while at other times the user simply desires to establish a simple phone call using a voice application. This flexibility implies that the radio has to be capable of processing signals at various data rates. Multirate digital signal processing techniques provide the tools that enable the SDR to process the data signals with varying bandwidths. Interpolation, for example, can be used to increase ...
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