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Takaharu Kobayashi

Fujitsu

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Publication

Featured researches published by Takaharu Kobayashi.

international conference on communications | 2010

An OFDM channel estimation based on a simultaneous use of liner interpolation and feedback channel estimation

Takanori Iwamatsu; Takaharu Kobayashi; Koichiro Wakasugi

In Orthogonal Frequency Division Multiplexing (OFDM), multiple pilot subcarriers are dispersed for propagation channel estimation. Our study suggests a method to reduce the number of pilot subcarriers to 1/15 while maintaining fading tolerance. This can be realized by estimating the propagation channel parameters with combined implementation of sequential feedback estimation for the time direction and linear interpolation for the frequency direction.

IEICE Transactions on Communications | 2013

Selection of Component Carriers Using Centralized Baseband Pooling for LTE-Advanced Heterogeneous Networks

Hiroyuki Seki; Takaharu Kobayashi; Dai Kimura

Archive | 2009

Communication device, base station, method of communication, and communication system

Takaharu Kobayashi; Naoyuki Saitou; Hideki Furudate

Archive | 2011

Wireless communication system, remote access device, and base station device

Takaharu Kobayashi; Tsuyoshi Shimomura

Archive | 2012

BASE STATION, MOBILE STATION, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD

Takaharu Kobayashi

Archive | 2011

COMMUNICATION SYSTEM, COMMUNICATION STATION, COMMUNICATION TERMINAL, AND METHOD OF COMMUNICATION

Takaharu Kobayashi

Archive | 2013

COMMUNICATION SYSTEM, COMMUNICATION METHOD, AND CONTROL DEVICE

Yuya Harada; Dai Kimura; Takaharu Kobayashi

Archive | 2010

MOBILE TERMINAL, BASE STATION, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD

Takaharu Kobayashi

Archive | 2015

WIRELESS COMMUNICATION SYSTEM, COMMUNICATION CONTROL METHOD, CONTROL DEVICE, CONTROL METHOD, CONTROL PROGRAM, AND WIRELESS TERMINAL

Takaharu Kobayashi; Dai Kimura

Archive | 2010

WIRELESS COMMUNICATION METHOD, BASE STATION MOBILE STATION, AND WIRELESS COMMUNICATION SYSTEM

Takaharu Kobayashi

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Dai Kimura

Fujitsu

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Hiroyuki Seki

Fujitsu

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Daisuke Jitsukawa

Fujitsu

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Hideki Furudate

Fujitsu

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Koichiro Wakasugi

Kyoto Institute of Technology

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Koji Matsuyama

Fujitsu

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Morihiko Minowa

Fujitsu

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Naoyuki Saitou

Fujitsu

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Shinya Kumagai

Tohoku University

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Takanori Iwamatsu

Fujitsu

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