TY - JOUR
T1 - An Orbital Angular Momentum-Based Array for in-band full-duplex communications
AU - Zhang, Yiming
AU - Li, Jia-Lin
PY - 2019
Y1 - 2019
N2 - A uniform circular array with dual orbital angular momentum (OAM) modes is proposed for in-band full-duplex applications. The proposed scheme includes two concentric ring subarrays for transmitting and receiving, respectively, where all elements are operated under the same linear polarization. To suppress the self-interference resulting from the mutual coupling, an OAM mode-selection method related to the proposed configuration is discussed. Results indicate that good isolation performance between the transmitter and receiver can be achieved by using the proposed scheme. To validate the performance, a demonstrator with OAM modes of -1 and -2 at Ku-band is developed, fabricated, and measured. Measurements show a relative bandwidth of 21.3% from 13.5 to 16.7 GHz, referring to a 40 dB suppression level, is achieved and the desired radiations are found.
AB - A uniform circular array with dual orbital angular momentum (OAM) modes is proposed for in-band full-duplex applications. The proposed scheme includes two concentric ring subarrays for transmitting and receiving, respectively, where all elements are operated under the same linear polarization. To suppress the self-interference resulting from the mutual coupling, an OAM mode-selection method related to the proposed configuration is discussed. Results indicate that good isolation performance between the transmitter and receiver can be achieved by using the proposed scheme. To validate the performance, a demonstrator with OAM modes of -1 and -2 at Ku-band is developed, fabricated, and measured. Measurements show a relative bandwidth of 21.3% from 13.5 to 16.7 GHz, referring to a 40 dB suppression level, is achieved and the desired radiations are found.
KW - Full-duplex
KW - Mutual coupling
KW - Orbitalangular momentum (OAM)
KW - Self-interference suppression
KW - Uniform circular array (UCA)
UR - http://www.scopus.com/inward/record.url?scp=85062637423&partnerID=8YFLogxK
U2 - 10.1109/LAWP.2019.2893035
DO - 10.1109/LAWP.2019.2893035
M3 - Journal article
SN - 1536-1225
VL - 18
SP - 417
EP - 421
JO - IEEE Antennas and Wireless Propagation Letters
JF - IEEE Antennas and Wireless Propagation Letters
IS - 3
M1 - 8611355
ER -