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Dive into the research topics where Koichiro Tanaka is active.

Publication


Featured researches published by Koichiro Tanaka.


symposium on vlsi circuits | 2015

A 60GHz wireless transceiver employing hybrid analog/digital beamforming with interference suppression for multiuser gigabit/s radio access

Koji Takinami; Naganori Shirakata; Koichiro Tanaka; Takayuki Tsukizawa; Hiroyuki Motozuka; Yohei Morishita; Kenji Miyanaga; Takenori Sakamoto; Tomoya Urushihara; Masashi Kobayashi; Hiroshi Takahashi; Masataka Irie; Hiroyuki Yoshikawa; Atsushi Yoshimoto; Masatake Irie; Maki Nakamura; Takeaki Watanabe; Hiroshi Komori; Noriaki Saito

This paper presents a 60GHz analog/digital beamforming transceiver that effectively suppresses interference signals, targeting WiGig/IEEE 802.11ad standard. A prototype has been built with 40nm CMOS analog front-ends as well as offline baseband digital signal processing. Measurement shows 3.1dB EVM advantage over the conventional two-stream diversity during a packet collision situation.


Archive | 1999

Modulator, demodulator, and transmission system for use in OFDM transmission

Naganori Shirakata; Yasuo Harada; Hiroshi Hayashino; Koichiro Tanaka; Hideki Nakahara


international solid-state circuits conference | 2013

A fully integrated 60GHz CMOS transceiver chipset based on WiGig/IEEE802.11ad with built-in self calibration for mobile applications

Noriaki Saito; Takayuki Tsukizawa; Naganori Shirakata; Tadashi Morita; Koichiro Tanaka; Junji Sato; Yohei Morishita; Masaki Kanemaru; Ryo Kitamura; Takahiro Shima; Toshifumi Nakatani; Kenji Miyanaga; Tomoya Urushihara; Hiroyuki Yoshikawa; Takenori Sakamoto; Hiroyuki Motozuka; Yoshinori Shirakawa; Naoya Yosoku; Akira Yamamoto; Ryosuke Shiozaki; Koji Takinami


Archive | 2005

TRANSMITTER APPARATUS AND WIRELESS COMMUNICATION APPARATUS

Noriaki Saito; Koichiro Tanaka; Mitsuru Tanabe


Archive | 2006

Interfering signal characterizing quantity storing method and device, interfering signal characterizing quantity acquiring method and device, and interfering signal suppressing method and device

Koichiro Tanaka; Naganori Shirakata; Yoshio Matsushita Elect. Industrial Co. Ltd. Urabe; Tsutomu Mukai; Kenji Matsushita Elect. Industrial Co. Ltd. Miyanaga; Koji Imamura; Shuya Hosokawa


Archive | 2000

Apparatus and method of OFDM demodulation

Naganori Shirakata; Tomohiro Kimura; Koichiro Tanaka; Hideki Nakahara; Yasuo Harada; Shuya Hosokawa


Archive | 2000

OFDM signal transmission scheme, and OFDM signal transmitter/receiver

Hideki Nakahara; Koichiro Tanaka; Naganori Shirakata; Tomohiro Kimura; Yasuo Harada


Archive | 2005

Data transmission method and data reception method

Naganori Shirakata; Yasuo Harada; Koichiro Tanaka; Tomohiro Kimura; Shuya Hosokawa; Yoshio Urabe


Archive | 2006

OFDM receiving method of OFDM receiver

Naganori Shirakata; Koichiro Tanaka; Shuya Hosokawa


Archive | 2000

Device and method for ofdm demodulation

Yasuo Harada; Shuya Hosokawa; Tomohiro Kimura; Hideki Nakahara; Yukimune Shirakata; Koichiro Tanaka; 秀樹 中原; 泰男 原田; 知弘 木村; 宏一郎 田中; 亨宗 白方; 修也 細川

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