Method for transmitting digital data by means of continuous phas

Details Method for transmitting digital data by means of continuous phas Method for transmitting digital data by means of continuous phas

1987-06-22

1988-06-07

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

332 18, 375 60, H04L 2712

Patent

active

047501928

ABSTRACT:
A method for transmitting digital data by means of continuous phase modulation (CPM), wherein the transmission signal s(t) is generated by retrieving stored digital values, which are allocated to a continuous sequence of symbols a.sub.i present at the transmitter input, from storage in a memory. In contrast to the conventional method, these stored digital values are not calculated from a predetermined frequency-base-band pulse g(t) by linear superposition but are optimized with respect to the in-band power emitted by means of an iterative method. This non-linear method leads to distinctly improved spectral characteristics of the transmission signal s(t).

REFERENCES:
patent: 4404532 (1983-09-01), Welti
patent: 4477916 (1984-10-01), Chung
patent: 4556869 (1985-12-01), Thomson
IEEE Communications Magazine; vol. 24, No. 4, Apr. 1986, pp. 25-37, "Continuous Phase Modulation", C. E. Sundberg.
Globecom Conference Record, 1982, Miami, Nov. 29-Dec. 2, 1982, pp. 877-883, T. Aulin et al., "Synchronization Properties of Continuous Phase Modulation".
National Telecommunication Conference, New Orleans, Conference Record, Dec. 1-2, 1982, pp. 38.1-38.5.
IEEE Transactions on Communications, vol. COM-29, No. 3, Mar. 1981, pp. 196-225, T. Aulin et al., "Continuous Phase Modulation".

Affiliated with

Also associated with

Rating

Method for transmitting digital data by means of continuous phas does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method for transmitting digital data by means of continuous phas, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method for transmitting digital data by means of continuous phas will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-849466