Keio University

Published papers

Sasase, Iwao

461-480 items (total 588)

Performance analysis of coherent optical POLSK receivers with the local intensity noise and the unmatched quantum efficiencies

Author
Hideyuki Uehara, Tomoaki Ohtsuki and Iwao Sasase
Publication Title
Magazine name IEICE Trans. on Communications Volume Vol. E.77-B(Issue No.12) Start Page 1590-1599 (Publication Date)1994/12)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

Double-stage threshold-type foreground-background congestion control for common-store queueing system with multiple priority classes

Author
Eiji Shimamura and Iwao Sasase
Publication Title
Magazine name IEICE Trans. on Communications Volume Vol. E.77-B(Issue No.12) Start Page 1556-1563 (Publication Date)1994/12)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

Lower bounds capacity and cutoff rate of differential overlapping pulse position modulation in optical direct-detection channel

Author
Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Publication Title
Magazine name IEICE Trans. on Communications Volume Vol. E.77-B(Issue No.10) Start Page 1230-1237 (Publication Date)1994/10)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

Error performance of overlapping multi-pulse pulse position modulation (OMPPM) and trellis coded OMPPM in optical direct-detection channel

Author
Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Publication Title
Magazine name IEICE Trans. on Communications Volume Vol. E.77-B(Issue No.9) Start Page 1133-1143 (Publication Date)1994/09)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

Performance analysis of multiple pulse position modulation (MPPM) in noisy photon counting channel

Author
Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Publication Title
Magazine name IEICE Trans. on Fundamentals Volume Vol. E.77-A(Issue No.8) Start Page 1381-1386 (Publication Date)1994/08)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

Capacity and cutoff rate of overlapping multi-pulse position modulation (OMPPM) in optical direct-detection channel: quantum limited case

Author
Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Publication Title
Magazine name IEICE Trans. on Fundamentals Volume Vol. E.77-A(Issue No.8) Start Page 1298-1308 (Publication Date)1994/08)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

Performance analysis of multi-pulse PPM with imperfect slot synchronization in optical direct detection channel

Author
Kazumi Sato, Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Publication Title
Magazine name IEICE Trans. on Communications Volume Vol. E.77-B(Issue No.8) Start Page 1032-1039 (Publication Date)1994/08)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

ウェ-ブレット変換を用いたレ-ダ信号の検出,

Author
江原直樹, 笹瀬巌, 森真作
Publication Title
Volume Vol. J.77-B-II(Issue No.5) Start Page 259-267 (Publication Date)1994/05)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

収束遅延を改善するための観測雑音の推定方法と可変ステップアルゴリズムの提案

Author
高橋潔, 笹瀬巌, 森真作
Publication Title
Volume Vol. J.76-A(Issue No.12) Start Page 1704-1713 (Publication Date)1993/12)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

A new Viterbi algorithm with adaptive path reduction method

Author
Takaya Yamazato, Iwao Sasase and Shinsaku Mori
Publication Title
Magazine name IEICE Trans. on Fundamentals of Electronics, Communications and Computer sciences Volume Vol. E.76-A(Issue No.9) Start Page 1422-1429 (Publication Date)1993/09)
Authorship Category
Joint Work
Peer-review Status
Without

Polarization shift keying (POLSK) phase diversity homodyne system in coherent optical communications

Author
Ichiro Seto, Tomoaki Ohtsuki, Iwao Sasaseand Shinsaku Mori
Publication Title
Magazine name Journal of Fibre and Integrated Optics Start Page 381-395 (Publication Date)1993/09)
Authorship Category
Joint Work
Peer-review Status
Without

Trellis coded modulation using totally overlapped signal sets

Author
Masayuki Ariyoshi, Takaya Yamazato, Iwao
Publication Title
Magazine name IEICE Trans. on Communications Volume Vol. E.76-B(Issue No.3) Start Page 304-309 (Publication Date)1993/03)
Authorship Category
Joint Work
Peer-review Status
Without

The effects of laser noise on optical coherent coded subcarrier multiplexing systems with distributing local oscillator in local loop

Author
Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Publication Title
Magazine name IEICE Trans. on Electronics Volume Vol. E.76-C(Issue No.2) Start Page 293-300 (Publication Date)1993/02)
Authorship Category
Joint Work
Peer-review Status
Without

Transient analysis of the queueing system with multiple nonpreemptive priority classes under the FG-BG congestion control

Author
Makoto Nakamura and Iwao Sasase
Publication Title
Magazine name The Asia-Pacific Engineering Journal (Part A) Volume Vol.2(Issue No.4) Start Page 537-551 (Publication Date)1992/12)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

The effect of message-class dependent threshold-type scheduling on the delay for the M/M/n queue

Author
Iwao Sasase, Yoshifumi Nishio and Hitomi Nakamura
Publication Title
Magazine name IEICE Trans. on Fundamentals of Electronics, Communications and Computer Sciences Volume Vol. E.75-A(Issue No.9) Start Page 1087-1099 (Publication Date)1992/09)
Authorship Category
Joint Work
Peer-review Status
Without

Restricted overflow strategy in integrated services network

Author
Tatsuya Taniai, Azuchi Miki, Takashi Kojima, Iwao Sasase and Shinsaku Mori
Publication Title
Magazine name IEICE Trans. on Communications Volume Vol. E.75-B(Issue No.7) Start Page 649-656 (Publication Date)1992/07)
Authorship Category
Joint Work
Peer-review Status
Without

Interlace coding system involving error correcting code and data compaction code

Author
Takaya Yamazato, Iwao Sasase and Shinsaku Mori
Publication Title
Magazine name IEICE Trans. on Communications Volume Vol. E.75-B(Issue No.6) Start Page 458-465 (Publication Date)1992/06)
Authorship Category
Joint Work
Peer-review Status
Without

連接符号を用いたType-II選択リピ-ト型ハイブリッドFEC/ARQシステム

Author
宮城正義, 新家正総,笹瀬巌, 森真作
Publication Title
Volume Vol. J.75-B-I(Issue No.4) Start Page 217-226 (Publication Date)1992/04)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

待時呼と優先権を持つ即時呼を多重する適応的網資源配分方式の提案

Author
谷合達也,笹瀬巌, 森真作
Publication Title
Volume Vol. J.75-B-I(Issue No.3) Start Page 201-203 (Publication Date)1992/03)
Authorship Category
Joint Work
Publication Category
Research paper (conference, symposium, etc.)
Peer-review Status
Without

Coherent optical polarization-shift keying (POLSK) homodyne system using phase-diversity receivers

Author
Ichiro Seto, Tomoaki Ohtsuki, Hiroyuki Yashima, Iwao Sasase and Shinsaku Mori
Publication Title
Magazine name IEICE Trars.on Communications Volume E.75(Issue No.1) Start Page 52-59 (Publication Date)1992/01)
Authorship Category
Joint Work
Peer-review Status
Without