Location Optimization of Antenna Based on the Capacity and Transmit Interference Pre-nulling in Full-duplex

WU Fei; SHAO Shihai; TANG Youxi

doi:10.11999/JEIT151385

Volume 38 Issue 9

Sep. 2016

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Article Navigation > Journal of Electronics & Information Technology > 2016 > 38(9): 2215-2220

WU Fei, SHAO Shihai, TANG Youxi. Location Optimization of Antenna Based on the Capacity and Transmit Interference Pre-nulling in Full-duplex[J]. Journal of Electronics & Information Technology, 2016, 38(9): 2215-2220. doi: 10.11999/JEIT151385

Citation:

WU Fei, SHAO Shihai, TANG Youxi. Location Optimization of Antenna Based on the Capacity and Transmit Interference Pre-nulling in Full-duplex[J]. Journal of Electronics & Information Technology, 2016, 38(9): 2215-2220. doi: 10.11999/JEIT151385

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Location Optimization of Antenna Based on the Capacity and Transmit Interference Pre-nulling in Full-duplex

doi: 10.11999/JEIT151385

Funds:

The National Natural Science Foundation of China (61471108, U1035002/L05, 61001087, 61101034, 61271164, 61301154), The National Science and Technology Major Project of China (2014ZX03003001-002, 2012ZX03003010-003, 2011ZX03001- 006-01), The National 863 Program of China (2014AA01A704)

Received Date: 2015-12-08
Rev Recd Date: 2016-05-10
Publish Date: 2016-09-19

Abstract

Abstract

Considering the line-of-sight path interference cancellation in Co-time and Co-frequency Full-Duplex (CCFD), the pre-nulling technique of transceiver is usually used. However, this method forms a subsidence zone of signal power for the remote receiver. The main reason is that the local receiver antenna is not considered in the near field of the transmitter antenna, and the design is based on the plane wave model. In this paper, the spherical wave assumption is adopted, and the local receiver antenna position is optimized by the subsidence capacity maximum while guaranteeing transmitter pre-nulling of self-interference. The procedure of calculating the optimal local receive antenna position is also given. The simulation results show that when the transmitter spacing is half wavelength, the subsidence capacity is improved with the increase of the channel correlation compared with the antennas placement optimization by the plane wave assumption.
- Wireless communication,
- Co-time Co-frequency Full Duplex (CCFD),
- Self-interference cancellation,
- Capacity,
- Pre-nulling,
- Antenna location optimization

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References(17)

References

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