Hiroyuki ISHII


Investigation on Transmission Power Control Suitable for Heterogeneous Network Employing Cell Range Expansion in LTE-Advanced Uplink
Akihito MORIMOTO  Nobuhiko MIKI  Hiroyuki ISHII  Daisuke NISHIKAWA  Yukihiko OKUMURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/04/01
Vol. E96-B  No. 4  pp. 1051-1060
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
Keyword: 
LTE-advancedheterogeneous networktransmission power controlcell range expansion
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Investigation on Signaling Overhead for Mobility Management with Carrier Aggregation in LTE-Advanced
Kengo YAGYU  Takeshi NAKAMORI  Hiroyuki ISHII  Mikio IWAMURA  Nobuhiko MIKI  Takahiro ASAI  Junichiro HAGIWARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/12/01
Vol. E94-B  No. 12  pp. 3335-3345
Type of Manuscript: Special Section PAPER (Special Section on Cooperative Communications for Cellular Networks)
Category: 
Keyword: 
LTE-Advancedcarrier aggregationcomponent carrier managementcontrol overhead
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Experiments on HSDPA Throughput Performance in W-CDMA Systems
Hiroyuki ISHII  Tomoki SAO  Shinya TANAKA  Shinsuke OGAWA  Yousuke IIZUKA  Takeshi NAKAMORI  Takehiro NAKAMURA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2006/07/01
Vol. E89-A  No. 7  pp. 1903-1912
Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
Category: 
Keyword: 
HSDPAadvanced receiverBS schedulingTCP throughput
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Thermal Response Analysis of a Tunable Laser Diode Using a Mode Density Method
Mitsuteru ISHIKAWA  Hiroyuki ISHII  Yuzo YOSHIKUNI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/01/01
Vol. E85-C  No. 1  pp. 85-92
Type of Manuscript: Special Section PAPER (Special Issue on Recent Progress in Semiconductor Lasers and Light-Emitting Devices)
Category: 
Keyword: 
tunable laser diodesthermal responsemode densitynumerical calculationFourier analysis
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Wavelength-Tunable Semiconductor Light Sources for WDM Applications
Yuichi TOHMORI  Hiroyuki ISHII  Hiromi OOHASHI  Yuzo YOSHIKUNI 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 2002/01/01
Vol. E85-C  No. 1  pp. 21-26
Type of Manuscript: INVITED PAPER (Special Issue on Recent Progress in Semiconductor Lasers and Light-Emitting Devices)
Category: 
Keyword: 
wavelength-selectable lasersdistributed-feed-back (DFB) lasersdistributed-Bragg-reflector (DBR) laserssuper-structure-grating (SSG)semiconductor optical amplifier (SOA)
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InP-Based Monolithic Optical Frequency Discriminator Module for WDM Systems
Ken TSUZUKI  Hiroaki TAKEUCHI  Satoshi OKU  Masahiro TANOBE  Yoshiaki KADOTA  Fumiyoshi KANO  Hiroyuki ISHII  Mitsuo YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1999/08/20
Vol. E82-B  No. 8  pp. 1188-1193
Type of Manuscript: INVITED PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Active Devices and Modules
Keyword: 
temperature insensitive filterMach-Zehnder filterfeedbackfrequency trimming
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InP-Based Monolithic Optical Frequency Discriminator Module for WDM Systems
Ken TSUZUKI  Hiroaki TAKEUCHI  Satoshi OKU  Masahiro TANOBE  Yoshiaki KADOTA  Fumiyoshi KANO  Hiroyuki ISHII  Mitsuo YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1999/08/20
Vol. E82-C  No. 8  pp. 1454-1459
Type of Manuscript: INVITED PAPER (Joint Special Issue on Recent Progress in Optoelectronics and Communications)
Category: Optical Active Devices and Modules
Keyword: 
temperature insensitive filterMach-Zehnder filterfeedbackfrequency trimming
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Wavelength Insensitive Tunable Wavelength Conversion Using Cascaded Semiconductor Lasers
Hiroaki SANJOH  Hiroyuki ISHII  Hiroshi YASAKA  Kunishige OE 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1998/08/20
Vol. E81-C  No. 8  pp. 1258-1263
Type of Manuscript: Special Section PAPER (Special Issue on High-Capacity WDM/TDM Networks)
Category: 
Keyword: 
wavelength conversiontunable semiconductor laserwavelength division multiplexing
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Multiple-Phase-Shift Super Structure Grating DBR Lasers
Hiroyuki ISHII  Yuichi TOHMORI  Fumiyoshi KANO  Yuzo YOSHIKUNI  Yasuhiro KONDO 
Publication:   IEICE TRANSACTIONS on Electronics
Publication Date: 1993/11/20
Vol. E76-C  No. 11  pp. 1683-1690
Type of Manuscript: PAPER
Category: Opto-Electronics
Keyword: 
semiconductorlaser diodedistributed Bragg reflectorwavelength tuning
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