IEICE Trans

Koji YAMAMOTO

Penalized and Decentralized Contextual Bandit Learning for WLAN Channel Allocation with Contention-Driven Feature Extraction Kota YAMASHITA Shotaro KAMIYA Koji YAMAMOTO Yusuke KODA Takayuki NISHIO Masahiro MORIKURA
Publication: Publication Date: 2022/10/01 Vol. E105-B No. 10 pp. 1268-1279 Type of Manuscript: PAPER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: wireless LAN, decentralized channel allocation, contextual multi-armed bandit algorithm, feature extraction, penalty,
	Summary \| Full Text:PDF(4.2MB)

Stochastic Geometry Analysis of Inversely Proportional Carrier Sense Threshold and Transmission Power for WLAN Spatial Reuse Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Hirantha ABEYSEKERA
Publication: Publication Date: 2021/10/01 Vol. E104-B No. 10 pp. 1345-1353 Type of Manuscript: PAPER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: IEEE 802.11ax, spatial reuse, carrier sense threshold, stochastic geometry,
	Summary \| Full Text:PDF(2MB)

Stochastic Geometry Analysis of Wireless Backhaul Networks with Beamforming in Roadside Environments Yuxiang FU Koji YAMAMOTO Yusuke KODA Takayuki NISHIO Masahiro MORIKURA Chun-hsiang HUANG Yushi SHIRATO Naoki KITA
Publication: Publication Date: 2021/01/01 Vol. E104-B No. 1 pp. 118-127 Type of Manuscript: PAPER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: beamforming, wireless backhaul, stochastic geometry, Poisson point process,
	Summary \| Full Text:PDF(3.8MB)

Deep-Reinforcement-Learning-Based Distributed Vehicle Position Controls for Coverage Expansion in mmWave V2X Akihito TAYA Takayuki NISHIO Masahiro MORIKURA Koji YAMAMOTO
Publication: Publication Date: 2019/10/01 Vol. E102-B No. 10 pp. 2054-2065 Type of Manuscript: PAPER Category: Network Management/Operation Keyword: vehicular networks, autonomous vehicles, mmWave communications, multi-hop relaying, position controls, deep reinforcement learning,
	Summary \| Full Text:PDF(1.6MB)

Concurrent Transmission Scheduling for Perceptual Data Sharing in mmWave Vehicular Networks Akihito TAYA Takayuki NISHIO Masahiro MORIKURA Koji YAMAMOTO
Publication: Publication Date: 2019/05/01 Vol. E102-D No. 5 pp. 952-962 Type of Manuscript: Special Section PAPER (Special Section on the Architectures, Protocols, and Applications for the Future Internet) Category: Keyword: mmWave communications, VANET, data sharing, directional antenna, concurrent transmission scheduling,
	Summary \| Full Text:PDF(947.2KB)

A Novel Radio Resource Optimization Scheme in Closed Access Femtocell Networks Based on Bat Algorithm I Wayan MUSTIKA Nifty FATH Selo SULISTYO Koji YAMAMOTO Hidekazu MURATA
Publication: Publication Date: 2019/04/01 Vol. E102-B No. 4 pp. 660-669 Type of Manuscript: INVITED PAPER (Special Section on Sensing, Wireless Networking, Data Collection, Analysis and Processing Technologies for Ambient Intelligence with Internet of Things) Category: Keyword: heterogeneous network, macrocell, femtocell, resource allocation, optimization, bat algorithm, interference management,
	Summary \| Full Text:PDF(1.7MB)

Joint Deployment of RGB-D Cameras and Base Stations for Camera-Assisted mmWave Communication System Yuta OGUMA Takayuki NISHIO Koji YAMAMOTO Masahiro MORIKURA
Publication: Publication Date: 2017/11/01 Vol. E100-A No. 11 pp. 2332-2340 Type of Manuscript: Special Section PAPER (Special Section on Smart Multimedia & Communication Systems) Category: Communication Systems Keyword: mmWave communications, RGB-D camera, human blockage, stochastic geometry, network deployment,
	Summary \| Full Text:PDF(2.1MB)

Mitigating Throughput Starvation in Dense WLANs through Potential Game-Based Channel Selection Bo YIN Shotaro KAMIYA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Hirantha ABEYSEKERA
Publication: Publication Date: 2017/11/01 Vol. E100-A No. 11 pp. 2341-2350 Type of Manuscript: Special Section PAPER (Special Section on Smart Multimedia & Communication Systems) Category: Communication Systems Keyword: densely deployed WLANs, flow-in-the-middle starvation, channel selection, potential game,
	Summary \| Full Text:PDF(2.2MB)

Spatial Co-Channel Overlap Mitigation through Channel Assignment in Dense WLAN: Potential Game Approach Shotaro KAMIYA Koji YAMAMOTO Takayuki NISHIO Masahiro MORIKURA Tomoyuki SUGIHARA
Publication: Publication Date: 2017/07/01 Vol. E100-B No. 7 pp. 1094-1104 Type of Manuscript: Special Section PAPER (Special Section on Smart Radio and Its Applications in Conjunction with Main Topics of SmartCom) Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: wireless local area networks, coverage overlap, channel assignment, potential game, game theory,
	Summary \| Full Text:PDF(1.5MB)

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 delay, IEEE 802.11, MAC protocol, long-distance WLAN, radio over fiber WLAN, CSMA/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: 5G, cognitive radio, spectrum sharing, database, stochastic 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 adaptation, IEEE 802.11 WLAN, transmission power control, area coverage hole, coverage 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 communications, human blockage, RGB-D camera, proactive handover,
	Summary \| Full Text:PDF(2.1MB)

A Comprehensive Survey of Potential Game Approaches to Wireless Networks Koji YAMAMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/09/01 Vol. E98-B No. 9 pp. 1804-1823 Type of Manuscript: INVITED SURVEY PAPER Category: Keyword: potential game, game theory, radio resource management, channel assignment, transmission power control,
	Summary \| Full Text:PDF(1.1MB)

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 network, rate adaptation, microwave power transmission, rectenna,
	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: WLAN, visual MIMO, medium access control, CSMA/CA, quality of experience, optical camera communications,
	Summary \| Full Text:PDF(1.7MB)

An Iterative MIMO Receiver Employing Virtual Channels with a Turbo Decoder for OFDM Wireless Systems Akihito TAYA Satoshi DENNO Koji YAMAMOTO Masahiro MORIKURA Daisuke UMEHARA Hidekazu MURATA Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2015/05/01 Vol. E98-B No. 5 pp. 878-889 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: multiple-input multiple-output, virtual channel, soft-input soft-output, log likelihood ratio, iterative scheme,
	Summary \| Full Text:PDF(1.5MB)

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: coexistence, IEEE 802.15.4, IEEE 802.11, ZigBee, WLAN, WPAN, WSN, QoS,
	Summary \| Full Text:PDF(2.2MB)

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 transmission, IEEE 802.11, CSMA/CA, WLAN, adjacent 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 management, smart grids, differential game, optimal control, information availability, decentralized control,
	Summary \| Full Text:PDF(1.5MB)

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 transmission, IEEE 802.11g-based wireless LAN, co-channel operation, batteryless, time scheduling, sleep mode,
	Summary \| Full Text:PDF(3.7MB)

Virtual Continuous CWmin Control Scheme of WLAN Yuki SANGENYA Fumihiro INOUE Masahiro MORIKURA Koji YAMAMOTO Fusao NUNO Takatoshi SUGIYAMA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2014/01/01 Vol. E97-A No. 1 pp. 40-48 Type of Manuscript: Special Section PAPER (Special Section on Wideband Systems) Category: Foundations Keyword: CSMA/CA, IEEE 802.11 DCF, CWmin control, fairness, performance analysis model,
	Summary \| Full Text:PDF(1.4MB)

IEEE 802.11ah Based M2M Networks Employing Virtual Grouping and Power Saving Methods Kohei OGAWA Masahiro MORIKURA Koji YAMAMOTO Tomoyuki SUGIHARA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/12/01 Vol. E96-B No. 12 pp. 2976-2985 Type of Manuscript: Special Section PAPER (Special Section on Network and System Technologies for Sustainable Society) Category: Keyword: M2M networks, wireless LAN, IEEE 802.11ah, EDCA, power saving, CSMA/CA,
	Summary \| Full Text:PDF(2MB)

Fixed-Rate Resource Exchange for Multi-Operator Pico eNodeB Tomohiko MIMURA Koji YAMAMOTO Masahiro MORIKURA Ayako IWATA Takashi TAMURA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/11/01 Vol. E96-B No. 11 pp. 2913-2922 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: multi-operator, pico eNodeB, resource allocation, game theory, mechanism design,
	Summary \| Full Text:PDF(2MB)

A 250 Msps, 0.5 W eDRAM-Based Search Engine Dedicated Low Power FIB Application Hisashi IWAMOTO Yuji YANO Yasuto KURODA Koji YAMAMOTO Kazunari INOUE Ikuo OKA
Publication: IEICE TRANSACTIONS on Electronics Publication Date: 2013/08/01 Vol. E96-C No. 8 pp. 1076-1082 Type of Manuscript: PAPER Category: Integrated Electronics Keyword: router, address lookup, power consumption, search engine, TCAM, low power,
	Summary \| Full Text:PDF(2.8MB)

Deterministic Packet Buffer System with Multi FIFO Queues for the Advanced QoS Hisashi IWAMOTO Yuji YANO Yasuto KURODA Koji YAMAMOTO Shingo ATA Kazunari INOUE
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/07/01 Vol. E96-B No. 7 pp. 1819-1825 Type of Manuscript: PAPER Category: Network System Keyword: packet buffer, multi FIFO queues, memory controller, quality services,
	Summary \| Full Text:PDF(2.5MB)

Game-Theoretic Analysis of Multibandwidth Channel Selection by Coordinated APs in WLANs Kohei HANADA Koji YAMAMOTO Masahiro MORIKURA Koichi ISHIHARA Riichi KUDO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/06/01 Vol. E96-B No. 6 pp. 1277-1287 Type of Manuscript: Special Section PAPER (Special Section on Heterogeneous Networks for Future Cellular Systems) Category: Keyword: wireless LAN, multibandwidth, channel selection, IEEE 802.11ac, overlapping BSS, game theory,
	Summary \| Full Text:PDF(1.6MB)

Multi-Operator Mobile Relaying: Shared-Spectrum Allocation Tomohiko MIMURA Koji YAMAMOTO Masahiro MORIKURA Ayako IWATA Akihiko NISHIO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2013/06/01 Vol. E96-B No. 6 pp. 1377-1384 Type of Manuscript: Special Section PAPER (Special Section on Heterogeneous Networks for Future Cellular Systems) Category: Keyword: multi-operator, mobile relaying, scheduling, bargaining game,
	Summary \| Full Text:PDF(2MB)

Software Radio-Based Distributed Multi-User MIMO Testbed: Towards Green Wireless Communications Hidekazu MURATA Susumu YOSHIDA Koji YAMAMOTO Daisuke UMEHARA Satoshi DENNO Masahiro MORIKURA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2013/01/01 Vol. E96-A No. 1 pp. 247-254 Type of Manuscript: INVITED PAPER (Special Section on Wideband Systems) Category: Keyword: green wireless, multi-user MIMO, software radio, distributed antenna system, field experiment,
	Summary \| Full Text:PDF(2.8MB)

FPS-RAM: Fast Prefix Search RAM-Based Hardware for Forwarding Engine Kazuya ZAITSU Koji YAMAMOTO Yasuto KURODA Kazunari INOUE Shingo ATA Ikuo OKA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2012/07/01 Vol. E95-B No. 7 pp. 2306-2314 Type of Manuscript: PAPER Category: Network System Keyword: IP router, address lookup, ternary content addressable memory (TCAM), power consumption, field programmable gate array (FPGA), circuit design,
	Summary \| Full Text:PDF(1.5MB)

Evolutionary Game Based Access Control Protocol in Wireless Networks with Mobile Routers Ippei AOKI Koji YAMAMOTO Hidekazu MURATA Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/08/01 Vol. E94-B No. 8 pp. 2225-2234 Type of Manuscript: Special Section PAPER (Special Section on Deployment and Operation of New Internet Technology: Challenges and Approaches) Category: Keyword: mobile router, evolutionary game theory, game theory, CSMA/CA,
	Summary \| Full Text:PDF(701.6KB)

Resource Reduction Method for the LTE-Advanced Uplink ACK/NACK Signal and SR Seigo NAKAO Kenji TAKAGI Masaru FUKUOKA Daichi IMAMURA Hidekazu MURATA Koji YAMAMOTO Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2011/01/01 Vol. E94-B No. 1 pp. 364-367 Type of Manuscript: LETTER Category: Terrestrial Wireless Communication/Broadcasting Technologies Keyword: LTE-Advanced, space orthogonal resource transmit diversity, phase rotation, ACK/NACK signal, scheduling request,
	Summary \| Full Text:PDF(280.4KB)

Wireless Distributed Network: For Flexible Networking and Radio Resource Management Seiichi SAMPEI Kei SAKAGUCHI Shinsuke IBI Koji YAMAMOTO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/12/01 Vol. E93-B No. 12 pp. 3218-3227 Type of Manuscript: INVITED PAPER (Special Section on Wireless Distributed Networks) Category: Keyword: wireless distributed network, heterogeneous network, autonomous distributed networks, cognitive radio, cooperative transmission, radio resource management,
	Summary \| Full Text:PDF(1.3MB)

Potential Game Approach for Spectrum Sharing in Distributed Cognitive Radio Networks I Wayan MUSTIKA Koji YAMAMOTO Hidekazu MURATA Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/12/01 Vol. E93-B No. 12 pp. 3284-3292 Type of Manuscript: Special Section PAPER (Special Section on Wireless Distributed Networks) Category: Keyword: spectrum sharing, interference management, cognitive radio, game theory, potential game,
	Summary \| Full Text:PDF(780.5KB)

A New TCAM Architecture for Managing ACL in Routers Haesung HWANG Shingo ATA Koji YAMAMOTO Kazunari INOUE Masayuki MURATA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/11/01 Vol. E93-B No. 11 pp. 3004-3012 Type of Manuscript: PAPER Category: Network Keyword: Access Control List (ACL), hardware cost, IP router, prefix expansion, Ternary Content Addressable Memory (TCAM),
	Summary \| Full Text:PDF(1.6MB)

FPGA Implementation of STBC Based Cooperative Relaying System Hidekazu MURATA Yuji OISHI Koji YAMAMOTO Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/08/01 Vol. E93-B No. 8 pp. 1988-1992 Type of Manuscript: Special Section PAPER (Special Section on Implementation, Experiments, and Practice for Ad Hoc and Mesh Networks) Category: Keyword: multi-hop wireless networks, cooperative relaying, laboratory experiments, FPGA implementation,
	Summary \| Full Text:PDF(924.8KB)

Impact and Use of the Asymmetric Property in Bi-directional Cooperative Relaying under Asymmetric Traffic Conditions Takaaki SAEKI Koji YAMAMOTO Hidekazu MURATA Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/08/01 Vol. E93-B No. 8 pp. 2126-2134 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: cooperative relaying, asymmetric traffic, optimal relay position, opportunistic scheduling,
	Summary \| Full Text:PDF(827.8KB)

Cell Edge Capacity Improvement by Using Adaptive Base Station Cooperation in Cellular Networks with Fractional Frequency Reuse Liang XU Koji YAMAMOTO Hidekazu MURATA Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/07/01 Vol. E93-B No. 7 pp. 1912-1918 Type of Manuscript: PAPER Category: Wireless Communication Technologies Keyword: base station cooperation, cell edge, fractional frequency reuse, inter-cell interference,
	Summary \| Full Text:PDF(1MB)

Channel-Gain-Based Transmission Scheduling for Cooperative Relaying Naotaka SHIBATA Koji YAMAMOTO Hidekazu MURATA Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2010/03/01 Vol. E93-B No. 3 pp. 776-779 Type of Manuscript: LETTER Category: Terrestrial Radio Communications Keyword: cooperative relaying, transmission scheduling, spectral efficiency,
	Summary \| Full Text:PDF(228.5KB)

Capacity Analysis of Cooperative Relaying Networks with Adaptive Relaying Scheme Selection Kunihiko TESHIMA Koji YAMAMOTO Hidekazu MURATA Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2009/12/01 Vol. E92-B No. 12 pp. 3744-3752 Type of Manuscript: PAPER Category: Network Keyword: cooperative relaying, multihop, spectral efficiency, adaptive control, game theory,
	Summary \| Full Text:PDF(529KB)

Performance Improvement of Wireless Mesh Networks by Using a Combination of Channel-Bonding and Multi-Channel Techniques Liang XU Koji YAMAMOTO Hidekazu MURATA Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/10/01 Vol. E91-B No. 10 pp. 3103-3112 Type of Manuscript: Special Section PAPER (Special Section on Next-Generation Mobile Multimedia Communications) Category: Keyword: IEEE 802.11n, channel-bonding, multi-channel, CSMA/CA, wireless mesh network,
	Summary \| Full Text:PDF(554.4KB)

Spectral Efficiency of Fundamental Cooperative Relaying in Interference-Limited Environments Koji YAMAMOTO Hirofumi MARUYAMA Takashi SHIMIZU Hidekazu MURATA Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/08/01 Vol. E91-B No. 8 pp. 2674-2682 Type of Manuscript: PAPER Category: Terrestrial Radio Communications Keyword: cooperative relaying, multihop, area spectral efficiency, bandwidth efficiency,
	Summary \| Full Text:PDF(681.7KB)

Interference Information Based Power Control for Cognitive Radio with Multi-Hop Cooperative Sensing Youngjin YU Hidekazu MURATA Koji YAMAMOTO Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2008/01/01 Vol. E91-B No. 1 pp. 70-76 Type of Manuscript: Special Section PAPER (Special Section on Cognitive Radio and Spectrum Sharing Technology) Category: Spectrum Sensing Keyword: cognitive radio, cooperative sensing, shadowing, interference information, multi-hop transmission,
	Summary \| Full Text:PDF(692.1KB)

Optimum Practical Design of Distributed and Asynchronous Power Control for Wireless Networks with Shared Bands Stepan KUCERA Koji YAMAMOTO Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2007/07/01 Vol. E90-A No. 7 pp. 1261-1270 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: cognitive radio, ad hoc networks, power control, distributed, asynchronous, equilibrium, frequency band sharing,
	Summary \| Full Text:PDF(491.6KB)

Tradeoff between Area Spectral Efficiency and End-to-End Throughput in Rate-Adaptive Multihop Radio Networks Koji YAMAMOTO Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/09/01 Vol. E88-B No. 9 pp. 3532-3540 Type of Manuscript: Special Section PAPER (Special Section on Advances in Ad Hoc Mobile Communications and Networking) Category: Keyword: multihop radio networks, area spectral efficiency, bandwidth efficiency, rate adaptation,
	Summary \| Full Text:PDF(479.9KB)

Game-Theoretic Approach to Capacity and Stability Evaluations of Decentralized Adaptive Route Selections in Wireless Ad Hoc Networks Koji YAMAMOTO Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2005/03/01 Vol. E88-B No. 3 pp. 1009-1016 Type of Manuscript: Special Section PAPER (Special Section on Ubiquitous Networks) Category: Network Keyword: ad hoc networks, decentralized control, game theory, network capacity, routing,
	Summary \| Full Text:PDF(428.3KB)

Analysis of Reverse Link Capacity Enhancement for CDMA Cellular Systems Using Two-Hop Relaying Koji YAMAMOTO Susumu YOSHIDA
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2004/07/01 Vol. E87-A No. 7 pp. 1712-1719 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Reverse Link Capacity for CDMA Cellular Keyword: two-hop relaying, multihop cellular systems, CDMA cellular systems, capacity enhancement,
	Summary \| Full Text:PDF(639.4KB)

Fault-Tolerant Graphs for Hypercubes and Tori^* Toshinori YAMADA Koji YAMAMOTO Shuichi UENO
Publication: IEICE TRANSACTIONS on Information and Systems Publication Date: 1996/08/25 Vol. E79-D No. 8 pp. 1147-1152 Type of Manuscript: Special Section PAPER (Special Issue on Architectures, Algorithms and Networks for Massively Parallel Computing) Category: Fault Diagnosis/Tolerance Keyword: hypercubes, tori, edge-fault-tolerant graphs, matric graphs, error-correcting binary linear codes,
	Summary \| Full Text:PDF(506.1KB)