Pulse or digital communications – Receivers – Angle modulation
Reexamination Certificate
2006-06-27
2006-06-27
Burd, Kevin (Department: 2631)
Pulse or digital communications
Receivers
Angle modulation
C375S341000
Reexamination Certificate
active
07068738
ABSTRACT:
An FQPSK-B receiver uses a simplified trellis system which uses combinations of FQPSK-B waveforms to correlate against an input signal. This enables reduction of the number of correlators that are used and the number of comparisons that are made by the correlators.
REFERENCES:
patent: 6757334 (2004-06-01), Feher
Yanpeng Guo; Feher, K., “Power and spectrally efficient SFH-FQPSK for PCS applications”, IEEE Transactions on Vehicular Technology, vol. 43, Issue 3, Part 1-2, Aug. 1994 pp.: 795-800.
Lee Dennis K.
Simon Marvin K.
Yan Tsun-Yee
Burd Kevin
California Institute of Technology
Fish & Richardson P.C.
Torres Juan Alberto
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