Adapter frequency range equalizer for digital radio relay system

Details Adapter frequency range equalizer for digital radio relay system Adapter frequency range equalizer for digital radio relay system

1987-08-31

1989-01-24

Griffin, Robert L.

Pulse or digital communications

Repeaters

Testing

375 15, 333 18, H04B 304

Patent

active

048005720

ABSTRACT:
An adaptive frequency range equalizer for digital radio relay systems which require adaptive frequency range equalizers which have coefficients that are adjustable. That are different possibilities for setting the coefficients of the transversal filter in such equalizers in a manner such that the transmission function of the transversal filter is either of the minimum phase type (mp), or the linear phase type (lp) or the non-minimum phase type (mnp). The invention discloses a method and apparatus for obtaining either of the three transmission functions for the transversal filter.

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IEEE 1985 New York ICC 85, vol. 3, Jun. 23-26 1935, Design and Performance of an Adaptive if Equalizer For a 140 Mbit/s 16WAM System-Giorio-Muratore-Palestini.
Advanced Adaptive Equalization of Multilevel-QAM-Digital Radio Systems-Sebald, Lanki, Nossek, Transmission Systems, Radio Relay Design Siemens AG Munich, W. Germany.
316 Commutation & Transmission 6(Sep. 1984) No. 3, Issy-les-Moulineaux, France Systems Hertziens 140Mbit/s A 4 ET 6 GHZ STN 65-140-STN 36-140 pp. 65-82.

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