Koji Kimura

ORCID: 0000-0001-7415-7025
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About
Contact & Profiles
Research Areas
  • Microwave Engineering and Waveguides
  • Radio Frequency Integrated Circuit Design
  • Millimeter-Wave Propagation and Modeling
  • Antenna Design and Optimization
  • Advanced MIMO Systems Optimization

Broadcom (United States)
2018

A 144-element phased array transceiver is realized using a modular tiled approach that supports 802.11ad, MCS12 single carrier 16-quadratic-amplitude modulation (QAM) 4.6 Gbps, in the 60-GHz band. It consists of system-on-a chip (SOC) (MAC/PHY/BB to IF) 28-nm CMOS, and one IF-to-60-GHz master driving twelve slave chips fabricated 40-nm CMOS. Using master-slave configuration, with 12 phase-controlled TX/RX slices expanded 144 slices. Each final slice then connected two patch antennas on LTCC...

10.1109/jssc.2018.2874048 article EN IEEE Journal of Solid-State Circuits 2018-10-18

The 802.11ad standard (WiGig) provides throughput speeds of multi-Gb/s covering tens meters and uses beamforming in the four 2GHz-wide channels 60gHz ISM band. Conventional backhaul solutions, on other hand, are designed with high gain directional antennas no electronic beam steering have cost for installation alignment antennas. This paper presents a full-featured chipset 144-element phased array using tiled approach CMOS IPs developed WiGig to address low-cost municipal WiFi, small-cell...

10.1109/isscc.2018.8310186 article EN 2022 IEEE International Solid- State Circuits Conference (ISSCC) 2018-02-01
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