Takayuki NISHIO


MAC Protocol for Improving Throughput and Balancing Uplink/Downlink Throughput for Wireless Local Area Networks with Long Propagation Delays
Takayuki NISHIO Kaito FUNABIKI Masahiro MORIKURA Koji YAMAMOTO Daisuke MURAYAMA Katsuya NAKAHIRA 
Publication:   
Publication Date: 2017/05/01
Vol. E100-B  No. 5  pp. 874-883
Type of Manuscript:  PAPER
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
wireless local area network (WLAN)long propagation delayIEEE 802.11MAC protocollong-distance WLANradio over fiber WLANCSMA/CA
 Summary | Full Text:PDF(2.7MB)

Knowledge-Based Reestablishment of Primary Exclusive Region in Database-Driven Spectrum Sharing
Shota YAMASHITA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/09/01
Vol. E99-B  No. 9  pp. 2019-2027
Type of Manuscript:  Special Section PAPER (Special Section on Integration Technologies of Ambient Intelligence and Sensor Networks)
Category: 
Keyword: 
5Gcognitive radiospectrum sharingdatabasestochastic geometry
 Summary | Full Text:PDF(1.5MB)

Self-Organization of Coverage of Densely Deployed WLANs Considering Outermost APs without Generating Coverage Holes
Shotaro KAMIYA Keita NAGASHIMA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Tomoyuki SUGIHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/09/01
Vol. E99-B  No. 9  pp. 1980-1988
Type of Manuscript:  Special Section PAPER (Special Section on Integration Technologies of Ambient Intelligence and Sensor Networks)
Category: 
Keyword: 
coverage adaptationIEEE 802.11 WLANtransmission power controlarea coverage holecoverage boundary
 Summary | Full Text:PDF(1.6MB)

Proactive Handover Based on Human Blockage Prediction Using RGB-D Cameras for mmWave Communications
Yuta OGUMA Takayuki NISHIO Koji YAMAMOTO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2016/08/01
Vol. E99-B  No. 8  pp. 1734-1744
Type of Manuscript:  Special Section PAPER (Special Section on Advanced Information and Communication Technologies and Services in Conjunction with Main Topics of APCC2015)
Category: Terrestrial Wireless Communication/Broadcasting Technologies
Keyword: 
mmWave communicationshuman blockageRGB-D cameraproactive handover
 Summary | Full Text:PDF(2.1MB)

Rate Adaptation Based on Exposure Assessment Using Rectenna Output for WLAN Station Powered with Microwave Power Transmission
Shota YAMASHITA Koichi SAKAGUCHI Yong HUANG Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Naoki SHINOHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/09/01
Vol. E98-B  No. 9  pp. 1785-1794
Type of Manuscript:  Special Section PAPER (Special Section on Emerging Technologies on Ambient Sensor Networks toward Future Generation)
Category: 
Keyword: 
wireless local area networkrate adaptationmicrowave power transmissionrectenna
 Summary | Full Text:PDF(3.6MB)

A Camera and LED-Based Medium Access Control Scheme for Wireless LANs
Ryo NISHIOKA Takayuki NISHIO Masahiro MORIKURA Koji YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/05/01
Vol. E98-B  No. 5  pp. 917-926
Type of Manuscript:  PAPER
Category: Wireless Communication Technologies
Keyword: 
WLANvisual MIMOmedium access controlCSMA/CAquality of experienceoptical camera communications
 Summary | Full Text:PDF(1.7MB)

Hybrid Station Aided Coexistence Scheme between Wireless PANs and Wireless LAN
Fumihiro INOUE Takayuki NISHIO Masahiro MORIKURA Koji YAMAMOTO Fusao NUNO Takatoshi SUGIYAMA 
Publication:   IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Publication Date: 2015/02/01
Vol. E98-A  No. 2  pp. 578-588
Type of Manuscript:  Special Section PAPER (Special Section on Wideband Systems)
Category: 
Keyword: 
coexistenceIEEE 802.15.4IEEE 802.11ZigBeeWLANWPANWSNQoS
 Summary | Full Text:PDF(2.2MB)

Implementation and Feasibility Study of Co-channel Operation System of Microwave Power Transmissions to IEEE 802.11-Based Batteryless Sensor
Shota YAMASHITA Norikatsu IMOTO Takuya ICHIHARA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Naoki SHINOHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/09/01
Vol. E97-B  No. 9  pp. 1843-1852
Type of Manuscript:  Special Section PAPER (Special Section on Ambient Intelligence and Sensor Networks)
Category: 
Keyword: 
microwave power transmissionIEEE 802.11g-based wireless LANco-channel operationbatterylesstime schedulingsleep mode
 Summary | Full Text:PDF(3.7MB)

Experimental Investigation of Co-channel and Adjacent Channel Operations of Microwave Power and IEEE 802.11g Data Transmissions
Norikatsu IMOTO Shota YAMASHITA Takuya ICHIHARA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Naoki SHINOHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/09/01
Vol. E97-B  No. 9  pp. 1835-1842
Type of Manuscript:  Special Section PAPER (Special Section on Ambient Intelligence and Sensor Networks)
Category: 
Keyword: 
microwave power transmissionIEEE 802.11CSMA/CAWLANadjacent channel interference
 Summary | Full Text:PDF(3.3MB)

Differential Game-Theoretic Analysis on Information Availability in Decentralized Demand-Side Energy Management Systems
Ryohei ARAI Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/09/01
Vol. E97-B  No. 9  pp. 1817-1825
Type of Manuscript:  Special Section PAPER (Special Section on Ambient Intelligence and Sensor Networks)
Category: 
Keyword: 
demand-side energy managementsmart gridsdifferential gameoptimal controlinformation availabilitydecentralized control
 Summary | Full Text:PDF(1.5MB)

Traffic Engineering of Peer-Assisted Content Delivery Network with Content-Oriented Incentive Mechanism
Naoya MAKI Takayuki NISHIO Ryoichi SHINKUMA Tatsuya MORI Noriaki KAMIYAMA Ryoichi KAWAHARA Tatsuro TAKAHASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2012/12/01
Vol. E95-D  No. 12  pp. 2860-2869
Type of Manuscript:  Special Section PAPER (Special Section on Parallel and Distributed Computing and Networking)
Category: Network and Communication
Keyword: 
content delivery networkpeer-assisted networkcontents combinationscombining contentstraffic localization
 Summary | Full Text:PDF(845KB)

TXOP Exchange: A Mechanism for Cooperation in CSMA Networks
Takayuki NISHIO Ryoichi SHINKUMA Tatsuro TAKAHASHI Narayan B. MANDAYAM 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/06/01
Vol. E95-B  No. 6  pp. 1944-1952
Type of Manuscript:  Special Section PAPER (Special Section on Towards Management for Future Networks and Services)
Category: 
Keyword: 
cooperative mechanismTXOP ExchangeCSMA/CAwireless local area networklegacy neutrality
 Summary | Full Text:PDF(1.2MB)