Demodulation technique for GFSK and DPSK
作者： Farrokh Farrokhi , Fredrik Brannstrom , Andrea Goldsmith , Behrooz Rezvani
DOI:
关键词: Electronic engineering 、 Process (computing) 、 Phase (waves) 、 Signal 、 Sequence 、 Mathematics 、 Trellis (graph) 、 Modulation 、 Demodulation 、 Path (graph theory)
摘要: A technique for low-complexity high-performance coherent demodulation of GFSK signals involves utilizing a novel phase and frequency tracking mechanism coupled with trellis search to track signal memory in the process. method according may include modeling modulation based upon trellis. The further estimating unknown parameters, selecting maximum likelihood path through trellis, mapping an output bit sequence. is also applicable DSPK other known or convenient protocols.
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