Amplifier-Aware Multiple-Input Single-Output Capacity

doi:10.1109/TCOMM.2014.011114.130337

2014-03-01

PRE

Daniel Persson *

Thomas Eriksson

Erik G. Larsson

DOI：10.1109/TCOMM.2014.011114.130337

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摘要

En 中文

We investigate multiple-input single-output channel capacity taking dissipation in the power amplifiers into account. We consider the case of a fixed channel with full channel state information (CSI) at both the transmitter and receiver. The capacity expression is given on closed form, and we show that the optimal solution is antenna selection. An algorithm for finding minimum consumed power for any given mutual information is further developed, and we show that the powermutual information pair is capacity-achieving. We also investigate the ergodic Rayleigh fading channel with full CSI at the receiver and no instantaneous CSI at the transmitter. We devise a numerical approach which finds the global optimum given a quantization of the space of possible allocated powers. We further show that down to the simulation precision, the ergodic Rayleigh fading solution again is antenna selection. It is shown that the allocation algorithms have low computational complexity and give significant rate and total consumed power gains in comparison to previous state of the art.

Keyword:

Multiple-input single-output (MISO)

power amplifier (PA)

PA power consumption

capacity

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期刊

IEEE Transactions on Communications

IF:

8.3

论文数:

1.2W

被引数:

3.6W

机构

chalmers university of technology

学者数:

1.5W

论文数: 1.6W

被引数: 10

Linkoping University

学者数:

1.6W

论文数: 1.5W

被引数: 184

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