Just like it says on the tin, it’s phase shift keying, and a proper implementation uses a phase detection circuit or something similar. [Craig] thought it would be fun to build an analog BPSK31 ...
It delivers 800G data rates for data center interconnect (DCI) and metro applications, while supporting 400G data rates in long-haul deployments using quadrature phase shift keying (QPSK ...
We designed SP (Set Partitioning)-64APSK (Amplitude Phase Shift Keying) with a coding rate of 4/5 as a multi-level modulation scheme beyond 32APSK supported by the ISDB-S3 (Integrated Services ...
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