Method and system for estimating channel of a mobile station...

Details Method and system for estimating channel of a mobile station... Method and system for estimating channel of a mobile station...

2011-03-29

2011-03-29

Bayard, Emmanuel (Department: 2611)

Pulse or digital communications

Transceivers

C375S316000

Reexamination Certificate

active

07916774

ABSTRACT:
A method of estimating a channel between a desired Mobile Station (MS) and a Base Transceiver Station (BTS) antenna of a one of a plurality of sectors of a BTS. The method includes receiving a composite signal at the BTS antenna. The composite signal comprises a desired MS signal and an interfering MS signal. Thereafter, a known desired random sequence and a known interfering random sequence is applied to pilot symbols of the composite signal, resulting in a first de-randomized signal and a second de-randomized signal. Finally, the channel estimate is obtained by weighting and summing the first de-randomized signal and second de-randomized signal.

REFERENCES:
patent: 6320897 (2001-11-01), Fattouche et al.
patent: 6353598 (2002-03-01), Baden et al.
patent: 2005/0078742 (2005-04-01), Cairns et al.
patent: 2006/0256843 (2006-11-01), Grant et al.
patent: 2008/0095141 (2008-04-01), Kong et al.
patent: 2008/0130719 (2008-06-01), Bottomley et al.
patent: 2008/0285595 (2008-11-01), Chester et al.

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