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Optimized Polarization Filtering Based Self-Interference Cancellation Scheme for Full-Duplex Communication

Abstract: 

In this paper, we propose an optimized polarization filtering based digital self-interference (SI) cancellation (OPC) scheme for full-duplex communication. The proposed OPC scheme utilizes polarization to increase the distinction between the desired signal and the SI and maximizes the signal to interference plus noise ratio (SINR) of the output signal. In order to achieve an optimal trade-off between the desired signal reception and the SI cancellation, an appropriate polarization state (PS) should be selected on the great circle polarization track, which is determined by the PSs of both the SI and the desired signal. Analysis and numerical results demonstrate that the proposed scheme can guarantee that the SINR gain is always positive in the case of any polarization dissimilarity coefficient. In addition, the performance of the OPC scheme can reach the theoretical upper limit in polarization SI cancellation schemes.

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Paper Details

Authors:
Fengqi Bai, Fangfang Liu, Chunyan Feng
Submitted On:
7 November 2019 - 7:30am
Short Link:
Type:
Presentation Slides
Event:
Presenter's Name:
Fengqi Bai
Paper Code:
#1570563744
Document Year:
2019
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Optimized Polarization Filtering Based Self-Interference Cancellation Scheme for Full-Duplex Communication.pdf

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[1] Fengqi Bai, Fangfang Liu, Chunyan Feng, "Optimized Polarization Filtering Based Self-Interference Cancellation Scheme for Full-Duplex Communication", IEEE SigPort, 2019. [Online]. Available: http://sigport.org/4922. Accessed: Nov. 11, 2019.
@article{4922-19,
url = {http://sigport.org/4922},
author = {Fengqi Bai; Fangfang Liu; Chunyan Feng },
publisher = {IEEE SigPort},
title = {Optimized Polarization Filtering Based Self-Interference Cancellation Scheme for Full-Duplex Communication},
year = {2019} }
TY - EJOUR
T1 - Optimized Polarization Filtering Based Self-Interference Cancellation Scheme for Full-Duplex Communication
AU - Fengqi Bai; Fangfang Liu; Chunyan Feng
PY - 2019
PB - IEEE SigPort
UR - http://sigport.org/4922
ER -
Fengqi Bai, Fangfang Liu, Chunyan Feng. (2019). Optimized Polarization Filtering Based Self-Interference Cancellation Scheme for Full-Duplex Communication. IEEE SigPort. http://sigport.org/4922
Fengqi Bai, Fangfang Liu, Chunyan Feng, 2019. Optimized Polarization Filtering Based Self-Interference Cancellation Scheme for Full-Duplex Communication. Available at: http://sigport.org/4922.
Fengqi Bai, Fangfang Liu, Chunyan Feng. (2019). "Optimized Polarization Filtering Based Self-Interference Cancellation Scheme for Full-Duplex Communication." Web.
1. Fengqi Bai, Fangfang Liu, Chunyan Feng. Optimized Polarization Filtering Based Self-Interference Cancellation Scheme for Full-Duplex Communication [Internet]. IEEE SigPort; 2019. Available from : http://sigport.org/4922