Characterization of digital radio signals

Details Characterization of digital radio signals Characterization of digital radio signals

1988-05-25

1990-04-24

Safourek, Benedict V.

Pulse or digital communications

Repeaters

Testing

371 51, 371 55, 371 201, 455 67, H04B 1700

Patent

active

049205439

ABSTRACT:
A method and apparatus for visually characterizing modulated carrier signals, particularly digitally modulated microwave signals, which may be subjected to multipath fading distortion. The method involves sampling the amplitude dispersion of the received signal during a test period, counting the number of times the sampled values fall within each of a number of value ranges and displaying the count per range against range so that counts corresponding to positive and negative amplitude dispersion values are shown in a symmetrical fashion. The shape of the resultant display provides a useful characterization of the signal.

REFERENCES:
patent: 3415947 (1968-12-01), Abbey
patent: 3487312 (1969-12-01), Egan
patent: 4166980 (1979-09-01), Apostolos
patent: 4349915 (1982-09-01), Costas
patent: 4393499 (1983-07-01), Evans
patent: 4556982 (1985-12-01), Dunn
patent: 4633411 (1986-12-01), Bliss
M. Liniger, "Sweep Measurements of the Transferfunction of a RF-Channel and Their Representation by Polynomials", Conference Record, ICC '82, Jun. 1982.
M. Liniger, "One Year Results of Sweep Measurements of a Radio Link", Conference Record, ICC '83, Jun. 1983.
M. Liniger, "Sweep Measurements of Multipath Effects on Cross-Polarized RF-Channels Including Space Diversity", Conference Record, ICC '84, Jun. 1984.

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