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EFFICIENT RESOURCE ASSIGNMENT TECHNIQUE IN A MULTI-USER MIMO-OFDM SYSTEM BASED ON MMSE-SIC FOR ASSIGNING RESOURCES ACCORDING TO A CHANNEL ENVIRONMENT
EFFICIENT RESOURCE ASSIGNMENT TECHNIQUE IN A MULTI-USER MIMO-OFDM SYSTEM BASED ON MMSE-SIC FOR ASSIGNING RESOURCES ACCORDING TO A CHANNEL ENVIRONMENT
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机译：基于MMSE-SIC的多用户MIMO-OFDM系统中基于信道环境的高效资源分配技术
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摘要
PURPOSE: An efficient resource assignment technique in a multi-user multiple-input multiple-output-orthogonal frequency division multiplexing (MIMO-OFDM) system based on minimum mean square error-successive interference cancellation (MMSE-SIC) is provided to improve frequency efficiency and transmission reliability.;CONSTITUTION: An effective channel vector is obtained from a subcarrier of user K by using a null space of a selected user group. A data transfer rate is obtained from the subcarrier of the user K by using the effective channel vector. Transmission power of the subcarrier, which is assigned by using a water-filling method, is obtained after assigning the subcarrier.;COPYRIGHT KIPO 2013
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