The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 2017
Filed:
Jan. 21, 2016
Fujitsu Limited, Kawasaki-shi, Kanagawa, JP;
Shunji Miyazaki, Kawasaki, JP;
FUJITSU LIMITED, Kawasaki, JP;
Abstract
A demodulator apparatus includes a memory and a processor coupled to the memory. The processor executes a process including: applying lattice reduction to a channel response matrix; applying linear detection to a reception signal in lattice-reduced basis using a lattice-reduced channel response matrix; calculating an expectation of a symbol in the lattice-reduced basis; inversely transforming the expectation of the symbol from the lattice-reduced basis into an original basis; and calculating soft-decision data by performing interference cancellation method in inversely transformed expectation of the symbol in the original basis.
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