Application and Optimal Design of 3D MIMO for Simultaneous Wireless Information and Power Transfer

FAN Lixing; HUA Meng; HUANG Yongming; YANG Luxi

doi:10.11999/JEIT170751

Volume 40 Issue 5

May 2018

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FAN Lixing, HUA Meng, HUANG Yongming, YANG Luxi. Application and Optimal Design of 3D MIMO for Simultaneous Wireless Information and Power Transfer[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1031-1036. doi: 10.11999/JEIT170751

Citation:

FAN Lixing, HUA Meng, HUANG Yongming, YANG Luxi. Application and Optimal Design of 3D MIMO for Simultaneous Wireless Information and Power Transfer[J]. Journal of Electronics & Information Technology, 2018, 40(5): 1031-1036. doi: 10.11999/JEIT170751

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Application and Optimal Design of 3D MIMO for Simultaneous Wireless Information and Power Transfer

doi: 10.11999/JEIT170751

Funds:

The National Natural Science Foundation of China (61372101, 61422105), The National 863 Project of China (2015AA01A703), The Research Project of Jiangsu Province (BE2015156)

Received Date: 2017-07-25
Rev Recd Date: 2017-12-15
Publish Date: 2018-05-19

Abstract

Abstract

In order to improve the Simultaneous Wireless Information and Power Transfer (SWIPT) efficiency, the Base Station (BS) employs the Three-Dimensional (3D) directional antennas and exploits the vertical domain by dynamically adjusting the antenna tilt. So the efficiency of energy and information transfer can be increased. The single-cell Multiple-Input Multiple-Output (MIMO) SWIPT system is studied where the BS applies Zero-Forcing (ZF) precoding and users use the Power Splitting (PS) technique. The optimization problem is formulated to minimize the transmit power subject to SNR and harvested power targets. And the antenna tilt, PS ratios and the allocated power of each user are jointly optimized. The optimal PS ratios and the optimal power allocation are given in closed-form expressions. Simulations show that the proposal outperforms conventional MIMO systems with an adjustable tilt and the Two-Dimensional (2D) scheme without considering the vertical domain.
- Simultaneous Wireless Information and Power Transfer (SWIPT),
- 3D MIMO,
- Base Station (BS) antenna tilt,
- Power splitting

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References(17)

References

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