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dc.titleEigenbeam- Space division mutiplexing for OFDM systems with optimum resource allocation
dc.contributor.authorNallanathan, A.
dc.contributor.authorYun, C.L.
dc.identifier.citationNallanathan, A.,Yun, C.L. (2004). Eigenbeam- Space division mutiplexing for OFDM systems with optimum resource allocation. GLOBECOM - IEEE Global Telecommunications Conference 4 : 2366-2370. ScholarBank@NUS Repository.
dc.description.abstractA promising solution for significant increase of bandwidth efficiency and system capacity is the exploitation of spatial dimension, by using space division multiplexing. When the channel state information is known at a transmitter of multiple-input multiple-output systems, the optimum capacity is achieved by eigen mode channel division with water-pouring power control. In this paper, frequency domain eigenbeam-space division multiplexing is proposed for orthogonal frequency division multiplexing (OFDM) with a method to assign both bits and transmit power to each substream. This assignment is based on the criterion of minimizing error rate. Symbol error rate (SER) performance of the proposed E-SDM-OFDM system is numerically analyzed and compared with SDM-OFDM system. It is shown that the proposed E-SDM-OFDM scheme can significantly reduce bit error rate compared to the conventional SDM-OFDM system. © 2004 IEEE.
dc.typeConference Paper
dc.contributor.departmentELECTRICAL & COMPUTER ENGINEERING
dc.description.sourcetitleGLOBECOM - IEEE Global Telecommunications Conference
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