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Title: Eigenbeam- Space division mutiplexing for OFDM systems with optimum resource allocation
Authors: Nallanathan, A. 
Yun, C.L.
Issue Date: 2004
Source: Nallanathan, 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.
Abstract: A 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.
Source Title: GLOBECOM - IEEE Global Telecommunications Conference
Appears in Collections:Staff Publications

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