Channel estimation device

Details Channel estimation device Channel estimation device

1993-09-29

1995-12-26

Chin, Stephen

Pulse or digital communications

Pulse code modulation

Correcting or reducing quantizing errors

375346, H04B 1404

Patent

active

054794463

ABSTRACT:
A channel estimation device receives at one end of the channel a training sequence corresponding to a learning sequence produced at the other end of the channel. The estimation device generates a replica of the learning sequence and establishes the correlation of the learning and training sequences in order to produce a set of correlation coefficients. The estimation device includes a corrector device for eliminating the coefficients having the lowest moduli. The criteria used for eliminating the lowest moduli coefficients is that the sum of the squares of the moduli of the eliminated coefficients is less than a fraction of the sum of the squares of the moduli of all the correlation coefficients.

REFERENCES:
patent: 5091918 (1992-02-01), Wales
patent: 5199047 (1993-03-01), Koch
patent: 5228057 (1993-07-01), Larsson
patent: 5260972 (1993-11-01), Wange
Kaveh Phlavan et al, "Performance of Adaptive Matched . . . Channels", IEEE Transactions on Communications 38, 1990 (Dec., No. 12, pp. 2106-2113.
French Search Report 9211886 dated Jun. 29, 1993.

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