ADVANCED METHOD FOR DECODING IN THE MIMO SYSTEM AND APPARATUS FOR IMPLEMENTING THEREOF

PURPOSE: A decoding method improved in an MIMO(Multiple Input Multiple Output) system and a device for realizing the same are provided to use less calculation resources. CONSTITUTION: A weight value calculator(210) calculates weight value coefficient detecting a symbol in an MIMO system. A symbol de...

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Main Authors CHOI, SOONG YOON, MELNIKOV ALEXEY OLEGOVICH, CHERNYSH ALEXANDER VICTOROVICH, ROG ANDREY LEONIDOVICH, GOLIKOV MICHAEL VLADIMIROVICH
Format Patent
LanguageEnglish
Korean
Published 21.07.2010
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:PURPOSE: A decoding method improved in an MIMO(Multiple Input Multiple Output) system and a device for realizing the same are provided to use less calculation resources. CONSTITUTION: A weight value calculator(210) calculates weight value coefficient detecting a symbol in an MIMO system. A symbol detector(215) detects serially the symbol in the order established on the basis of a receiving signal vector. An Euclidian distance calculator(220) calculates an Euclidean distance between the detected symbol and a symbol constellation point. An LLR(Log Likelihood Ratio) estimator determines an LLR value for presuming soft-decision bit probability. The best symbol candidate former(225) forms a group of the most suitable candidate symbol from the symbol constellation point.
Bibliography:Application Number: KR20100002522