MULTI-ANTENNA SYSTEM USING ADAPTIVE BEAMFORMING

PURPOSE: A multi antenna system using adaptive beamforming is provided to find a corresponding beamforming weight vector in a code book, thereby adjusting a phase of an RF signal. CONSTITUTION: A frequency down converter(300) down-converts a signal received from a signal combining unit to a baseband...

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Bibliographic Details
Main Authors PARK, CHUL GYUN, JO, KYUNG TAE, PARK, JOUN SUP, KO, YOUNG CHAI
Format Patent
LanguageEnglish
Korean
Published 14.02.2011
Subjects
ANTENNAS, i.e. RADIO AERIALS
BASIC ELECTRIC ELEMENTS
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION
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Summary:PURPOSE: A multi antenna system using adaptive beamforming is provided to find a corresponding beamforming weight vector in a code book, thereby adjusting a phase of an RF signal. CONSTITUTION: A frequency down converter(300) down-converts a signal received from a signal combining unit to a baseband signal. An A/D converter(400) converts the baseband signal from the frequency down converter into a digital signal. When the receiving SNR(Signal to Noise Ratio) of the digital signal from the A/D converter is lower than a preset SNR, a beamforming controller(500) sets a currently set weight vector as another predetermined weight vector. The beamforming controller provides the set weight vector to a phase adjusting unit.
Bibliography:Application Number: KR20090072419