METHOD AND APPARATUS FOR TRANSMITTING SIGNAL IN WIRELESS COMMUNICATION SYSTEM
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United States of America Patent
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Nov 4, 2014
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Nov 4, 2013
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Abstract
The present invention relates to a wireless communication system. A base station for transmitting a signal in a wireless communication system supporting multi user-multiple input and multiple output (MU-MIMO), according to another embodiment of the present invention, comprises: a radio frequency unit (RF); and a processor, wherein the processor can be configured to generate beams for subgroups including a plurality of terminals using analog beamforming, compensate beam phase difference which occurs between beams of subgroups using digital beamforming, after analog beamforming, and transmit, to the terminals, signals generated based on analog beamforming and digital beamforming.
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