Keio University

Presentations

Sasase, Iwao

361-380 items (total 695)

収束遅延を改善するための観測雑音 の推定方法の提案と可変ステップアルゴリズム

Speaker
高橋潔, 笹瀬巌, 森真作
Conference Title
[Conference Category Domestic presentation] Dates 1993.06 - 1993.06
Presentation Format
Domestic presentation

Overlapping multi-pulse pulse position modulation in optical direct detection channel

Speaker
Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1993 IEEE International Conference on Communications (ICC'93) Dates 1993.05 - 1993.05
Presentation Format
International presentation

Performance analysis of (m,2)MPPM with imperfect slot nchronization

Speaker
Kazumi Sato, Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1993 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Dates 1993.05 - 1993.05
Presentation Format
International presentation

Impact of local oscillator intensity oise in coherent optical POLSK heterodyne/homodyne eceivers

Speaker
Hideyuki Uehara, Ichiro Seto, Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1993 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Dates 1993.05 - 1993.05
Presentation Format
International presentation

A novel detection technique for CPM using variable mapping method

Speaker
Koji Nemoto, Takaya Yamazato, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1993 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Dates 1993.05 - 1993.05
Presentation Format
International presentation

Reduced ath Viterbi decoder with inverse circuit of the encoder

Speaker
Takaya Yamazato, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1993 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Dates 1993.05 - 1993.05
Presentation Format
International presentation

A new source coding method based on LZW adopting the least recently used deletion heuristic

Speaker
Sadataka Hayashi, Takaya Yamazato, Junichi Kubo and Iwao Sasase
Conference Title
[Conference Category International presentation] Conference Title 1993 IEEE Pacific Rim Conference on Communications, Computers and Signal Processing Dates 1993.05 - 1993.05
Presentation Format
International presentation

Performance analysis of MPPM in noisy photon counting channel

Speaker
Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1993 IEEE International Symposium on Information Theory, (ISIT'93) Dates 1993.01 - 1993.01
Presentation Format
International presentation

A novel source coding technique with high convergence speed based on the LZW algorithm

Speaker
Junichi Kubo, Takaya Yamazato, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1993 IEEE International Symposium on Information Theory, (ISIT'93) Dates 1993.01 - 1993.01
Presentation Format
International presentation

Trellis-coded phase/frequency modulation with equal usage of signal dimensions

Speaker
Aloknath De, Iwao Sasase and Peter Kabal
Conference Title
[Conference Category International presentation] Conference Title 1992 IEEE Global Telecommunications Conference (GLOBECOM'92) Dates 1992.12 - 1992.12
Presentation Format
International presentation

The effect of routing policies on the delay in two parallel M/D/1 queues

Speaker
Nobutomo Yoshihashi, Tatsuya Taniai and Iwao Sasase
Conference Title
[Conference Category International presentation] Conference Title 1992 Singapore International Conference on Communication Systems (ICCS/ISITA'92) Dates 1992.11 - 1992.11
Presentation Format
International presentation

A fast Viterbi decoding using the information of most-frequent symbol of convolutional code

Speaker
Takaya Yamazato, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1992 Singapore International Conference on Communication Systems (ICCS/ISITA'92) Dates 1992.11 - 1992.11
Presentation Format
International presentation

Throughput analysis of input queueing packet switch under improved FIFO policy

Speaker
Tatsuya Taniai and Iwao Sasase
Conference Title
[Conference Category International presentation] Conference Title 1992 Singapore International Conference on Communication Systems (ICCS/ISITA'92) Dates 1992.11 - 1992.11
Presentation Format
International presentation

Traffic analysis of packet switching system with multimedia bursty packets under mixed acceptance strategies

Speaker
Hideyuki Tozawa and Iwao Sasase
Conference Title
[Conference Category International presentation] Conference Title 1992 Singapore International Conference on Communication Systems (ICCS/ISITA'92) Dates 1992.11 - 1992.11
Presentation Format
International presentation

The effect of nonideal optical hybrids on the performance of {2x2} and {3x3} CPFSK phase diversity homodyne receivers

Speaker
Ichiro Seto, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1992 Singapore International Conference on Communication Systems (ICCS/ISITA'92) Dates 1992.11 - 1992.11
Presentation Format
International presentation

Phase noise insensitive multilevel POLSK based on QAM mapping in coherent optical systems

Speaker
Hideyuki Uehara, Ichiro Seto, Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1992 Singapore International Conference on Communication Systems (ICCS/ISITA'92) Dates 1992.11 - 1992.11
Presentation Format
International presentation

Reed Solomon coded FSK SCM system with distributing LO in local loop in the presence of laser phase noise

Speaker
Tomoaki Ohtsuki, Iwao Sasase and Shinsaku Mori
Conference Title
[Conference Category International presentation] Conference Title 1992 Singapore International Conference on Communication Systems (ICCS/ISITA'92) Dates 1992.11 - 1992.11
Presentation Format
International presentation

A new trellis coded modulation using an arithmetic additional encoder

Speaker
Takaya Yamazato, Iwao Sasase, Shinsaku Mori
Conference Title
[Conference Category Domestic presentation] Dates 1992.09 - 1992.09
Presentation Format
Domestic presentation

Multilevel modulation / TCM schemes for coherent optical POLSK phase-diversity homodyne system

Speaker
Ichiro Seto, Takaya Yamazato, Tomoaki Ohtsuki, Iwao Sasase, Shinsaku Mori
Conference Title
[Conference Category Domestic presentation] Dates 1992.09 - 1992.09
Presentation Format
Domestic presentation

A novel source coding technique with high convergence speed based on the LZW algorithm

Speaker
Junichi Kubo, Takaya Yamazato, Iwao Sasase, Shinsaku Mori
Conference Title
[Conference Category Domestic presentation] Dates 1992.09 - 1992.09
Presentation Format
Domestic presentation