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All Technical Committee Conferences  (All Years)

Search Results: Conference Papers
 Conference Papers (Available on Advance Programs)  (Sort by: Date Descending)
 27件中 1~20件目  /  [Next]  
Committee Date Time Place Paper Title / Authors Abstract Paper #
CQ, CS
(Joint)
2009-04-16
11:40
Okinawa Okinawaken Seinen Kaikan High-precision Time Distribution in Optical Access Networks
Masahiko Mizutani, Yoshihiro Ashi (Hitachi Comm Tech, Ltd.)
 [more] CS2009-3
pp.13-18
EMD 2009-01-23
16:10
Kanagawa   A Study of Solder Connection Reliability in Cooling Design for Outdoor Telecommunications Equipment
Nobuhiro Tamayama, Shinya Hamagishi, Seiji Asai, Takeshi Tajiri, Osamu Kamimura (Hitachi Com Tech, Ltd.)
In recent years, the sophistication of functions and the communication capacities of communications equipment have accel... [more] EMD2008-118
pp.27-32
CS 2009-01-23
09:35
Okinawa Iriomote Island, Okinawa An Implementation of redundant Passive Optical Networks in combination with packet-based backbone network
Masahiko Mizutani, Yusuke Yajima, Masatoshi Takihiro, Yoshihiro Ashi (Hitachi Communication Tech,Ltd.)
 [more] CS2008-72
pp.87-92
NS 2008-05-16
12:20
Hokkaido Future University-Hakodate Study of Packet Network Design to Guarantee Bandwidth
Hideki Endo, Masayuki Takase, Kenichi Sakamoto (Hitachi, Ltd.), Nobuyuki Yamamoto, Akihiko Tanaka, Takayuki Kanno, Yoshihiro Ashi (Hitachi Communication Technologies, Ltd.)
Leased line services, which have been composed of ATM networks, are so highly reliable that the services can guarantee a... [more] NS2008-16
pp.91-96
OCS, PN, CS
(Joint)
2007-06-15
14:30
Hokkaido Chitose Inst. of Science and Technology IP broadcasting system over GPON
Hiroki Ikeda, Jun Sugawa (Hitachi), Yoshihiro Ashi (Hitachi Communication Technologies), Kenichi Sakamoto (Hitachi)
Service providers are currently seeking to offer high - quality IP broadcasting service on single broadband network infr... [more] CS2007-12
pp.5-10
CS 2007-01-12
11:00
Okinawa Yonaguni (Okinawa) Reliability Improvement in T-MPLS Network
Masayuki Takase, Hideki Endo (Hitachi, Ltd.), Takayuki Kanno, Nobuyuki Yamamoto, Yoshihiro Ashi (Hitachi Communication Technologies, Ltd.)
We propose the highly reliable T-MPLS system in order to realize the end-to-end protection including an access line, whi... [more] CS2006-91
pp.121-126
CS, OCS, PN
(Joint)
2006-05-25
11:25
Shizuoka Shizuoka Univ. A Study of Protection Method in Ring Network
Nobuyuki Yamamoto (Hitachi Communication Technologies,Ltd), Masayuki Takase (Hitachi,Ltd), Takayuki Kanno (Hitachi Communication Technologies,Ltd), Hideki Endo (Hitachi,Ltd), Yoshihiro Ashi (Hitachi Communication Technologies,Ltd)
Recently, broadband access network is widely used, and the broadcasting service such as TV program distribution begins t... [more] CS2006-15
pp.7-12
CS, OCS, PN
(Joint)
2006-05-26
14:50
Shizuoka Shizuoka Univ. Fast restoration method for cost-effective node configuration
Tooru Hirai, Yasuyuki Fukashiro, Hideaki Tsushima (Hitachi COM)
In this paper, we propose a fast restoration method using OTN overhead for cost-effective node configuration where some ... [more] OCS2006-20
pp.61-64
CS, CQ
(Joint)
2006-04-18
10:15
Akita Akita Univ. The bandwidth management on the G-PON system and the multiplexer
Hideki Endo, Masahiko Mizutani, Masayuki Takase, Kenichi Sakamoto (Hitachi, Ltd.), Yoshihiro Ashi (Hitachi Communication Technologies, Ltd.)
 [more] CS2006-13
pp.63-68
ICM 2006-03-17
09:30
Okinawa Resort Hotel Kume island Proposal of Communication Path Surveillance Method using Control Message Monitoring
Kazuhiro Kusama (Hitachi, Ltd.), Shuuji Maeda (Hitachi Communication Technologies, Ltd), Pinai Linwong, Naomichi Nonaka (Hitachi, Ltd.)
 [more] TM2005-61
pp.31-36
PN 2006-03-17
13:00
Okinawa   [Encouragement Talk] Fast restoration for photonic networks using OTN
Tooru Hirai, Yasuyuki Fukashiro, Hideaki Tsushima (Hitachi COM)
We developed Optical Cross-Connect system (OXC) which achieved fast restoration and segmented path monitor by using APS/... [more] PN2005-116
pp.99-102
OCS, NS
(Joint)
2006-01-27
11:15
Osaka Osaka Institute of Technologies Path restoration techniques in IP-photonic traffic-engineered network interconnected with different SLA-policy networks
Issei Asabayashi, Akihiro Fujii, Yoshihiro Nakahira, Hiroyuki Sakamoto, Masato Kawahara (Oki), Tooru Hirai, Yasuyuki Fukashiro, Hideaki Tsushima (Hitachi COM)
 [more] OCS2005-98
pp.53-56
OCS, NS
(Joint)
2006-01-27
11:40
Osaka Osaka Institute of Technologies Fundamental restoration experiment for photonic networks with reliability options
Tooru Hirai, Yasuyuki Fukashiro, Hideaki Tsushima (Hitachi COM), Issei Asabayashi, Akihiro Fujii, Yoshihiro Nakahira, Hiroyuki Sakamoto, Masato Kawahara (Oki)
 [more] OCS2005-99
pp.57-61
RCS, SIP
(Joint)
2006-01-27
10:00
Fukuoka Kyusyu Univ. Examination Concerning Method of Terminal Interference Judgment in Space-Time Packet Scheduler
Masanori Taira, Toshihiko Kudo (Hitachi Communication Technologies), Kenzaburo Fujishima (Hitachi)
We proposed a method of beam scheduling as each BTS(Base Transmit Station) that had the adaptive antenna cooperated to a... [more] RCS2005-158
pp.17-22
CS 2006-01-16
13:30
Oita Yufugo-kan (Oita) Study of forwarding contol mechanism of OAM frames for the Ether OAM
Masahiko Mizutani (Hitachi), Atsushi Iwamura (Hitachi COM), Kenichi Sakamoto (Hitachi), Yoshihiro Ashi (Hitachi COM)
The Ethernet network is widely spread and adopted to the access portion or metro area for the reason of its cost advanta... [more] CS2005-72
pp.1-5
CS 2006-01-16
13:55
Oita Yufugo-kan (Oita) A Study of Layer 2 Access Security Function for Optical Access System
Munetoshi Tsuge (Hitachi), Ryou Nakamura (Hitachi Comm. Tech.), Kenichi Sakamoto (Hitachi), Toru Kazawa, Yoshihiro Ashi (Hitachi Comm. Tech.)
We studied functions for an optical access system combined with a layer 2 switch on a layer 2 access network, where IP a... [more] CS2005-73
pp.7-12
RCS 2005-11-18
10:40
Miyagi   Advance mobile communication systems to realize downlink performance 1.3Gbit/s using multi-user OFDM-SDMA/Base station cooperatio -- 4th generation mobile communication systems using advance wireless signal processing technologies --
Toshio Kawazawa, Takashi Inoue (KDDI), Mikio Kuwahara (Hitachi), Syunsaku Abe (Hitachi Communication Technologies), Kazunori Yamanaka, Makoto Yoshida (Fujitsu)
To realize the 4th generation mobile communications system, we have been developing elements of advanced wireless signal... [more] RCS2005-119
pp.73-78
AP, RCS
(Joint)
2005-10-21
14:15
Akita Akita Prefectural Univ. Field Experiments of Adaptive Antenna Base Station Applied Space-Time Packet Scheduler
Masanori Taira, Toshihiko Kudo (Hitachi Communication Technologies), Kenzaburo Fujishima (Hitachi)
We proposed a method of beam scheduling as each BTS(Base Transmit Station) that had the adaptive antenna cooperated to a... [more] RCS2005-106
pp.127-132
RCS, CS
(Joint)
2005-08-26
14:20
Tokyo Tokyo Inst. Tech. A Study for Mutiplexing Technique of Mutiple TDM Frames for G-PON
Kenichi Sakamoto, Masayuki Takase, Masahiko Mizutani (Hitachi), Toru Kazawa, Yoshihiro Ashi (Hitachi Comm. Tech.)
Economical PON system, Giga-bit Ethernet PON (GE-PON) standardized by IEEE, has the capability of wide-band communicatio... [more] CS2005-15
pp.21-26
PN, CS, OCS
(Joint)
2005-05-24
10:55
Okinawa Hotel Moonbeach (Okinawa) [Invited Talk] MPLS/GMPLS interoperability test in iPOP2005 implemented by PIL -- From OSPF/RSVP interoperability examination between Japan and USA --
Daisaku Shimazaki, Eiji Oki (NTT), Itaru Nishioka (NEC), Shinya Kano, Akira Nagata (Fujitsu Lab.), Mikako Nanba, Kazumasa Morita (Furukawa Electric), Motofumi Tanabe (Mitsubishi Electric), Kazuhiro Kusama, Pinai Linwong (Hitachi), Tooru Hirai (Hitachi Communication Technologies), Kohei Okazaki (Keio Univ.)
 [more] CS2005-9 OCS2005-22 PN2005-13
pp.49-54(CS), pp.61-66(OCS), pp.35-40(PN)
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