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- W2480133951 abstract "In this paper, we propose a new beamforming design to maximize energy efficiency (EE) for multiple input single output interfering broadcast channels (IFBC). Under this model, the EE problem is non-convex due to the coupled interference and its fractional form, and thus it is difficult to solve the problem. Conventional algorithms which address this problem have adopted an iterative method for each channel realization, which requires high computational complexity. In order to reduce the computational complexity, we parameterize the beamforming vector by scalar parameters related to beam direction and power. Then, by employing asymptotic results of random matrix theory, we identify the optimal parameters to maximize the EE in the large system limit. Based on the asymptotic results, the proposed scheme can provide insights on the average EE performance, and a simple yet efficient beamforming strategy is introduced for the finite system case. Numerical results confirm that the proposed scheme shows a negligible performance loss compared to the best result achieved by the conventional approaches even with small system dimensions, with much reduced system complexity." @default.
- W2480133951 created "2016-08-23" @default.
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- W2480133951 date "2016-05-01" @default.
- W2480133951 modified "2023-09-26" @default.
- W2480133951 title "A new energy efficient beamforming strategy for MISO IFBC based on large systems analysis" @default.
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- W2480133951 doi "https://doi.org/10.1109/icc.2016.7511513" @default.
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