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Dive into the research topics where Kiichi Sugitani is active.

Publication


Featured researches published by Kiichi Sugitani.


european conference on optical communication | 2008

Novel wide-range frequency offset compensator demonstrated with real-time digital coherent receiver

Hisao Nakashima; Takahito Tanimura; Takeshi Hoshida; Shoichiro Oda; Jens C. Rasmussen; Lei Li; Zhenning Tao; Yuji Ishii; Kazunari Shiota; Kiichi Sugitani; Hiroshi Adachi

A novel frequency offset estimator is proposed and implemented in a 1 Gbit/s real-time coherent receiver to demonstrate all-digital frequency offset compensation up to plusmn0.4 symbol rate.


ieee international conference on high performance computing data and analytics | 2001

Influence of Compiler Optimizations on Value Prediction

Toshinori Sato; Akihiko Hamano; Kiichi Sugitani; Itsujiro Arita

The practice of speculation in resolving data dependences based on value prediction has been studied as a means of extracting more instruction level parallelism. There are many studies on value prediction mechanisms with high predictabilities. However, to the best of our knowledge, the influence of compiler optimizations on value prediction has not been investigated. In this paper we evaluate efficiency of value prediction on several binaries which are compiled with different optimization levels. Detailed simulations reveal that value prediction is still effective for highly optimized binaries.


Archive | 2004

Loop frame detecting device and method for detecting loop frame

Ryoichi Mutoh; Tetsuya Nishi; Kiichi Sugitani


Archive | 2004

Layer 2 loop detection system

Kiichi Sugitani; Ryouichi Mutoh; Tetsuya Nishi


Archive | 2010

Distortion compensating apparatus, optical receiving apparatus, and optical transmitting and receiving system

Takahito Tanimura; Takeshi Hoshida; Hisao Nakashima; Kazunari Shiota; Kiichi Sugitani


Archive | 2005

Device and method for network monitoring

Nobuyuki Tamura; Tomonori Gotoh; Kazunari Shiota; Kiichi Sugitani; Ryota Komatsu


Archive | 2002

Optical path cross connect apparatus and switching method thereof

Kiichi Sugitani; Satoshi Kuroyanagi


Archive | 2014

OPTICAL RECEIVER AND OPTICAL RECEIVING METHOD

Kiichi Sugitani; Kazunari Shiota; Eri Katayama


Archive | 2003

Optical cross-connect equipment and method for controlling optical communication

Kiichi Sugitani; Satoshi Kuroyanagi


Archive | 2005

Optical cross-connect device and method of optical communication control

Kiichi Sugitani; Satoshi Kuroyanagi

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