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Beamforming based full-duplex for millimeter-wave communication

Liu, Xiao, Xiao, Zhenyu, Bai, Lin, Choi, Jinho, Xia, Pengfei and Xia, Xiang-Gen 2016, Beamforming based full-duplex for millimeter-wave communication, Sensors, vol. 16, no. 7, pp. 1-22, doi: 10.3390/s16071130.

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Title Beamforming based full-duplex for millimeter-wave communication
Author(s) Liu, Xiao
Xiao, Zhenyu
Bai, Lin
Choi, JinhoORCID iD for Choi, Jinho orcid.org/0000-0002-4895-6680
Xia, Pengfei
Xia, Xiang-Gen
Journal name Sensors
Volume number 16
Issue number 7
Article ID 1130
Start page 1
End page 22
Total pages 22
Publisher MDPI
Place of publication Basel, Switzerland
Publication date 2016-07-21
ISSN 1424-8220
Keyword(s) full duplex
self-interference cancellation
beamforming
millimeter-wave
mmWave
Summary In this paper, we study beamforming based full-duplex (FD) systems in millimeter-wave (mmWave) communications. A joint transmission and reception (Tx/Rx) beamforming problem is formulated to maximize the achievable rate by mitigating self-interference (SI). Since the optimal solution is difficult to find due to the non-convexity of the objective function, suboptimal schemes are proposed in this paper. A low-complexity algorithm, which iteratively maximizes signal power while suppressing SI, is proposed and its convergence is proven. Moreover, two closed-form solutions, which do not require iterations, are also derived under minimum-mean-square-error (MMSE), zero-forcing (ZF), and maximum-ratio transmission (MRT) criteria. Performance evaluations show that the proposed iterative scheme converges fast (within only two iterations on average) and approaches an upper-bound performance, while the two closed-form solutions also achieve appealing performances, although there are noticeable differences from the upper bound depending on channel conditions. Interestingly, these three schemes show different robustness against the geometry of Tx/Rx antenna arrays and channel estimation errors.
Language eng
DOI 10.3390/s16071130
Field of Research 0301 Analytical Chemistry
0906 Electrical And Electronic Engineering
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, the authors
Free to Read? Yes
Use Rights Creative Commons Attribution licence
Persistent URL http://hdl.handle.net/10536/DRO/DU:30114297

Document type: Journal Article
Collections: School of Information Technology
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Every reasonable effort has been made to ensure that permission has been obtained for items included in DRO. If you believe that your rights have been infringed by this repository, please contact drosupport@deakin.edu.au.