Technique for compensating for intersymbol interference

Details Technique for compensating for intersymbol interference Technique for compensating for intersymbol interference

1990-12-11

1993-03-16

Chin, Stephen

Pulse or digital communications

Repeaters

Testing

375 94, 371 43, H04L 2534

Patent

active

051951070

ABSTRACT:
In a communications system, a generalized partial response signaling (GPRS) technique is employed to compensate for intersymbol interference. To this end, signal points representative of data to be transmitted are selected from a signal constellation. This signal constellation includes a multiplicity of signal points which are regularly spaced within a polygonal region having more than four sides. The selected signal points are precoded in the transmitter in accordance with the GPRS technique. Because of the particular choice of the signal constellation used, the precoded signal points for transmission occupies a region identical to the polygonal region.

REFERENCES:
patent: 4538284 (1985-08-01), Lang et al.
patent: 4562425 (1985-12-01), Turner et al.
patent: 4720839 (1988-01-01), Feher et al.
patent: 4894844 (1990-01-01), Forney, Jr.
patent: 4924492 (1990-05-01), Gitlin et al.
patent: 4959842 (1990-09-01), Forney, Jr.
patent: 5022053 (1991-06-01), Chung et al.

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