Communication system and technique using QR decomposition...

Details Communication system and technique using QR decomposition... Communication system and technique using QR decomposition...

2011-04-26

2011-04-26

Odom, Curtis B (Department: 2611)

Pulse or digital communications

Systems using alternating or pulsating current

Plural channels for transmission of a single pulse train

C375S260000, C375S299000, C375S347000, C375S349000

Reexamination Certificate

active

07933353

ABSTRACT:
An apparatus, system, and method to perform QR decomposition of an input complex matrix are described. The apparatus may include a triangular systolic array to load the input complex matrix and an identity matrix, to perform a unitary complex matrix transformation requiring three rotation angles, and to produce a complex unitary matrix and an upper triangular matrix. The upper triangular matrix may include real diagonal elements. Other embodiments are described and claimed.

REFERENCES:
patent: 4727503 (1988-02-01), McWhirter
patent: 5018065 (1991-05-01), McWhirter et al.
patent: 5294933 (1994-03-01), Lee et al.
patent: 5845123 (1998-12-01), Johnson et al.
patent: 6675187 (2004-01-01), Greenberger
patent: 2007037716 (2007-04-01), None

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