Coherent modulation of CPM signals

Details Coherent modulation of CPM signals Coherent modulation of CPM signals

1996-02-09

1998-08-18

Bocure, Tesfaldet

Pulse or digital communications

Systems using alternating or pulsating current

Angle modulation

375305, 375336, 332100, 329300, H04L 2710, H04L 2712, H04L 2714

Patent

active

057967806

ABSTRACT:
Coherent modulation schemes for CPM signals. The disclosed schemes avoid the error probability increase due to the differential encoding by using a coherent encoder. A simple demodulator can be implemented by using a Nyquist-3 CPM scheme with coherent encoding. Such a scheme can be demodulated in substantially the same manner as signals modulated using M-PSK.

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Bernard Sklar, "Digital communications Fundamental and Applications", Prentice Hall, New Jersey, pp. 403-407, 1988.
T. Aulin et al., Digital Phase Modulation, Application of Communications Theory, Plenum Press, New York, New York, 1986.
Sayar et al., "Nyquist 3 Pulse Shaping in Continuous Phase Modulation", IEEE Transactions on Communications, COM-35(1):57-67 (1987).
IEEE Transactions On Information Theory, Rimoldi: "A Decomposition Approach to CPM", vol. 34, No. 2, Mar. 1988, pp. 260-270.
IEEE Transactions On Communications, Aulin et al.: "Continuous Phase Modulation-Part II: Partial Response Signaling", vol. 29, No. 3, Mar. 1981, pp. 210-225.
Philips Telecommunications Review, Chung et al.: "Generalized Tamed Frequency Modulation", vol. 41, No. 1, Apr. 1983, pp. 82-91.
IEEE Transactions On Communication, Sayar et al.: "Nyquist 3 Pulse Shaping in Continuous Phase Modulation", vol. 35, Jan. 1987, pp. 57-67.
IEEE Transactions On Communications, Muilwijk: "Correlative Phase Shift Keying-A Class of Constant Envelope Modulation Techniques", vol. 29, No. 3, Mar. 1981, pp. 226-236.

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