Below is my block diagram. 2-FSK modem block diagram In the block diagram above, the modulator receives a stream of serial bit sending form ARM processor and generate two frequencies, 52 kHz ...

Abstract: A single-chip FM modulator/demodulator (modem) based LSI for the 800-MHz band land mobile radio unit has been developed. This LSI contains both digital and analog function blocks. The ...

Abstract: Orthogonal time frequency space (OTFS) modulation is a 2-D signaling technique that ... We argue against deployment of window functions at the OTFS transmitter in realistic scenarios and ...