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Volume 32 Issue 4
Dec.  2010
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Yu Guang-wei, Niu Kai, He Zhi-qiang, Wang Xu-zhen, Lin Jia-ru. Power Offset Analysis of Two Transmit Multiple Receive MIMO Systems with Antenna Arrays of Fixed Length[J]. Journal of Electronics & Information Technology, 2010, 32(4): 781-785. doi: 10.3724/SP.J.1146.2009.00346
Citation: Yu Guang-wei, Niu Kai, He Zhi-qiang, Wang Xu-zhen, Lin Jia-ru. Power Offset Analysis of Two Transmit Multiple Receive MIMO Systems with Antenna Arrays of Fixed Length[J]. Journal of Electronics & Information Technology, 2010, 32(4): 781-785. doi: 10.3724/SP.J.1146.2009.00346

Power Offset Analysis of Two Transmit Multiple Receive MIMO Systems with Antenna Arrays of Fixed Length

doi: 10.3724/SP.J.1146.2009.00346
  • Received Date: 2009-03-19
  • Rev Recd Date: 2009-07-30
  • Publish Date: 2010-04-19
  • In high SNR region, power offset is the zero-order term in SNR axis of SNR-capacity curve and its optimization is helpful to improve capacity. In this paper, based on fitting determinant curve of tri-diagonal Toeplitz matrix, expression of extreme points is derived to analyze power offset of two transmit multiple receive single-user MIMO systems with uniform linear antenna array of fixed length. These proposed extreme points are determined by correlation of receive antenna elements and maximum of number of antenna elements between transmit and receive arrays. According to the obtained expression, the simulation results show that optimal power offset can be achieved by selecting suitable number of receive antenna.
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