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大城敦司君 Electronics Express ELEX Best Paper Award 受賞。

2022年にIEICE Electronics Expressに掲載した大城敦司君 (修士課程修了)の下記論文が ELEX Best Paper Award 2023を受賞しました。この賞は、ELEXに掲載された全論文の中から、優秀な内容であると評価された論文の著者に授与されます。
https://www.jstage.jst.go.jp/article/elex/19/2/19_18.20210494/_article/-char/ja

雑誌名IEICE Electronics Express ELEX
題目PAM4 48-Gbit/s wireless communication using a resonant tunneling diode in the 300-GHz band

In modern optical communications, pulse amplitude modulation 4 (PAM4) is employed to achieve higher data rates than that achieved by conventional non-return-to-zero format. Meanwhile, there is an increasing interest to convert wired connections to wireless in data centers using high-speed millimeter-wave and terahertz (THz) links. Here, we introduced the PAM4 modulation for THz wireless communications using a resonant tunneling diode (RTD) receiver. Compared with a Schottky-barrier diode receiver, the RTD receiver has higher sensitivity, and a stronger nonlinearity at low input power when it is operated with an amplified detection scheme. We achieved 24-Gbaud (48-Gbit/s) transmission in the 300-GHz band with a quasi-real-time digital signal processing (DSP), which is the fastest PAM4 wireless communication without an offline DSP to the best of our knowledge.

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