A 28-GHz CMOS Direct Conversion Transceiver With Packaged 2 x 4 Antenna Array for 5G Cellular System

被引：202

作者：

Kim, Hong-Teuk ^{[1
,2
]}

Park, Byoung-Sun ^{[1
]}

Song, Seong-Sik ^{[1
]}

Moon, Tak-Su ^{[1
]}

Kim, So-Hyeong ^{[1
]}

Kim, Jong-Moon ^{[1
]}

Chang, Ji-Young ^{[1
]}

Ho, Yo-Chul ^{[1
]}

机构：

[1] LG Elect, Seoul 60772, South Korea

[2] Broadcom, Semicond Div, Seoul 60771, South Korea

来源：

IEEE JOURNAL OF SOLID-STATE CIRCUITS | 2018年 / 53卷 / 05期

关键词：

28; GHz; 5G; antenna array; beamforming; CMOS; direct conversion; mm-wave; transceiver;

D O I：

10.1109/JSSC.2018.2817606

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper describes a 28-GHz CMOS direct conversion transceiver with packaged 2 x 4 patch antenna array for 5G communication. Beamforming antenna and reconfigurable transceiver architecture are used for high effective isotropic radiated power (EIRP). For low error vector magnitude (EVM), switchless matching transmitter (Tx)/receiver (Rx) to antenna and 28-GHz injection-locked local oscillator (LO) generator are employed. Test chip was fabricated in 28-nm RF CMOS process. Measurement results show Tx EIRPsat of 31.5 dBm (P-sat of 10.5 dBm in one power amplifier (PA)), EIRPmax 24 dBm (P-max of 2 dBm with backoff of 7.5 dB in one PA), Rx noise figure of 6.7 dB, and integrated LO phase noise of -38.7 dBc (0.67 degrees). After IQ mismatch calibration, Tx LO leakage and image power are less than -35 dBc. Rx and Tx EVM show 2.2% (-33 dB) at medium RF power (Rx P-in of -60 dBm and Tx EIRP of 0 dBm) with well-fit beam control capability.

引用

页码：1245 / 1259

页数：15

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