Beam Control Free 28GHz 5G Relay Transceiver and 24GHz Wireless Power Receiver Using On-Chip Butler Matrix

Yuasa, Keito; Ide, Michihiro; Kato, Sena; Okada, Kei; Shirane, Atsushi

doi:10.1109/ims37964.2023.10187925

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2024

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Cited by 4 publications

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“…In Fig. 10, photos of the prototype relay transceiver and the IC chip are shown [27]. The IC chip is manufactured using a CMOS 65nm process and features an active 4x1 antenna array on the surface, along with a reference antenna for…”

Section: Antenna Designmentioning

confidence: 99%

Millimeter-Wave Transceiver Utilizing On-Chip Butler Matrix for Simultaneous 5G Relay Communication and Wireless Power Transfer

YUASA,

IDE,

KATO

et al. 2024

IEICE Trans. Electron.

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This paper introduces a wireless-powered relay transceiver designed to extend 5G millimeter-wave coverage. It employs an on-chip butler matrix, enabling beam control-free operation. The prototype includes PCB array antennas and on-chip butler matrix and rectifiers manufactured using a Si CMOS 65nm process. The relay transceiver performs effectively in beam angles from -45° to 45°. In the 24 GHz wireless power transmission (WPT) mode, it generates 0.12 mW with 0dBm total input power, boasting an RF-DC conversion efficiency of 12.2 %. It also demonstrates communication performance at 28 GHz in both RX and TX modes with a 100 MHz bandwidth and 64QAM modulation.

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Section: Antenna Designmentioning

confidence: 99%