Method and apparatus for correlative estimation of a mobile...

Details Method and apparatus for correlative estimation of a mobile... Method and apparatus for correlative estimation of a mobile...

2007-12-18

2007-12-18

Fan, Chieh M. (Department: 2611)

Pulse or digital communications

Receivers

Interference or noise reduction

Reexamination Certificate

active

10833579

ABSTRACT:
In a method for correlative estimation of a mobile radio channel on the basis of a training sequence (TS) which is transmitted via the mobile radio channel, a sequence of P received symbols is correlated with a subsequence of length P of the training sequence, in order to calculate a first estimated channel coefficient (ĥ0(1)). Furthermore, the same sequence of P received symbols is correlated with at least some of the subsequences of the training sequence (TS) shifted through ±1, ±2, . . . , ±(Lt−1) symbol positions, in order to calculate a number of further estimated channel coefficients (ĥ±1(1),ĥ±2(1), . . . ,ĥ±(Lt−1)(1)).

REFERENCES:
patent: 2004/0121734 (2004-06-01), Mattellini
patent: 100 43 742 (2002-04-01), None
patent: 101 37 675 (2003-02-01), None
“A Novel Channel Estimation Method: Blending Correlation and Least-Squares Based Approaches”, Serdar Özen, Michael D. Zoltowski and Mark Fimoff, IEEE International Converence on Acoustics, Speech and Signal Processing ICASSP '02, May 13-17, 2002, vol. 3, pp. III-2281-III-2284.
“Channel Estimation for EGPRS Modems” Evgeny Yakhnich, 53rdVehicular Technology Conference VTC 2001, May 6-9, 2001, vol. 1, pp. 419-422.

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