Wireless signal receiver with maximum likelihood detector

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United States of America Patent

PATENT NO 9893841
SERIAL NO

15465249

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Abstract

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The present invention discloses an ML (Maximum Likelihood) detector. An embodiment of the ML detector comprises a search value selecting circuit and an ML detecting circuit. The search value selecting circuit is configured to select a first-layer search value. The ML detecting circuit is configured to carry out the following steps: selecting first-layer candidate values according to the first-layer search value, one of a reception signal and a derivative thereof, and one of a channel estimation signal and a derivative thereof, and adding one or more first-layer candidate value(s), if necessary; calculating second-layer candidate values according to all the above-mentioned first-layer candidate values, and adding one or more second-layer candidate value(s) and its/their corresponding first-layer candidate value(s), if necessary; and calculating log likelihood ratios according to the whole first-layer and second-layer candidate values.

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Patent Owner(s)

Patent OwnerAddress
REALTEK SEMICONDUCTOR CORPORATIONNO 2 INNOVATION ROAD II HSINCHU SCIENCE PARK HSINCHU 300

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Chang, Chung-Yao Hsinchu County, TW 45 110
Lin, Chuan-Hu Changhua County, TW 7 0
Yang, Yi-Syun Kinmen County, TW 6 0

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