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Performance Analysis of Precoded LTE-Advanced Uplink System  

Kim, Sang-Gu (School of Information and Commun. Engineering, Chungbuk National University)
Li, Xun (School of Information and Commun. Engineering, Chungbuk National University)
Kim, Young-Ju (School of Information and Commun. Engineering, Chungbuk National University)
Publication Information
Journal of the Institute of Electronics Engineers of Korea TC / v.48, no.5, 2011 , pp. 8-15 More about this Journal
Abstract
LTE-Advanced aims at peak data rates of 1Gbits/s for the downlink and 500 Mbits/s for the uplink, which can be accomplished only by using wide spectrum allocation of 100MHz as well as advanced multiple input multiple output antenna techniques to the uplink. This paper analyzes the uplink precoding techniques which include LTE codebook of downlink, singular value decomposition codebook, and equal gain transmission codebook over LTE defined single carrier frequency division multiplexing systems. Finally considering nonlinear transmit power amplifier model, it is shown that link-level performance of EGT is superior to those of any other precoding schemes.
Keywords
LTE-A; SC-FDMA; Closed-loop MIMO; PAPR;
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