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2019-11-26
Study of Transmitter Interference to Receiver at 2 GHz with High Antenna Port Isolation
By
Progress In Electromagnetics Research M, Vol. 86, 183-192, 2019
Abstract
The paper presents simulated and measurement results of a planar antenna structure at 2 GHz center frequency. The antenna has two ports implemented into the same conductive body. The antenna shows measured -10 dB impedance bandwidth from 1.87 GHz to 2.18 GHz with average 41.3 dB isolation between the antenna ports over the studied frequency bandwidth. Antenna is used to measure transmitted WCDMA FDD signal leakage to the receiver with a presence of blocker signal, which is transmitted over the air. The system measurements show that the RF filtering requirements can be relaxed based on 3GPP standard by using highly isolated antenna structure. Application areas can be found at the both ends of the mobile communications system, mobile devices and small cell base stations.
Citation
Marko Sonkki, Janne Aikio, Marko E. Leinonen, and Aarno Pärssinen, "Study of Transmitter Interference to Receiver at 2 GHz with High Antenna Port Isolation," Progress In Electromagnetics Research M, Vol. 86, 183-192, 2019.
doi:10.2528/PIERM19080105
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