IEICE Trans

Ushio YAMAMOTO

Optimization of Dynamic Allocation of Transmitter Power in a DS-CDMA Cellular System Using Genetic Algorithms Jie ZHOU Yoichi SHIRAISHI Ushio YAMAMOTO Yoshikuni ONOZATO Hisakazu KIKUCHI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2001/10/01 Vol. E84-A No. 10 pp. 2436-2446 Type of Manuscript: Special Section PAPER (Special Section on Information Theory and Its Applications) Category: Communication Systems Keyword: digital cellular system (DS-CDMA), genetic algorithm, power control strategy, dynamic power allocation, balance of services,
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An Analysis of the New Call Channel Limiting Technique for Mobile Users in One-Dimensional Cellular Networks Sakchai THIPCHAKSURAT Ushio YAMAMOTO Yoshikuni ONOZATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/03/01 Vol. E84-B No. 3 pp. 550-557 Type of Manuscript: Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21^st Century) Category: Keyword: cellular networks, channel reservation, handover, blocking probability, capacity law,
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Impact of Interference Suppression Techniques on Spectrum Overlaid Systems of TDMA/W-CDMA and N-CDMA/W-CDMA Jie ZHOU Ushio YAMAMOTO Yoshikuni ONOZATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2001/03/01 Vol. E84-B No. 3 pp. 539-549 Type of Manuscript: Special Section PAPER (Special Issue on Innovative Mobile Communication Technologies at the Dawn of the 21^st Century) Category: Keyword: digital cellular system (DS-CDMA), cluster size, full rate channels, notch filter, signal clipper,
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Reconstruction Methods of Tree Structure of Orthogonal Spreading Codes for DS-CDMA Ushio YAMAMOTO Haris HASANUDIN Yoshikuni ONOZATO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/11/25 Vol. E83-A No. 11 pp. 2078-2084 Type of Manuscript: Special Section PAPER (Special Section on Spread Spectrum Techniques and Applications) Category: Keyword: DS-CDMA, orthogonal code, spreading factor, tree structure, reconstruction,
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Performance Estimation of the Forward Link in a Macrocell/Microcell Hierarchical Cellular System Using Code Division Multiple Access Jie ZHOU Ushio YAMAMOTO Yoshikuni ONOZATO
Publication: IEICE TRANSACTIONS on Communications Publication Date: 2000/08/25 Vol. E83-B No. 8 pp. 1819-1826 Type of Manuscript: Special Section PAPER (Special Issue on Personal, Indoor and Mobile Radio Communications) Category: Keyword: hierarchical system, forward link, power control, distance driven, C/I driven,
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On the Feasibility of High Data Rate Services in Wireless System Using Code Division Multiple Access Jie ZHOU Ushio YAMAMOTO Yoshikuni ONOZATO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 2000/07/25 Vol. E83-A No. 7 pp. 1347-1355 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: distance driven, soft handoff, throughput, static analysis, dynamic analysis,
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On the Capacity and Outage Probability of a CDMA Hierarchical Mobile System with Perfect/Imperfect Power Control and Sectorization Jie ZHOU Yoshikuni ONOZATO Ushio YAMAMOTO
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1999/07/25 Vol. E82-A No. 7 pp. 1161-1171 Type of Manuscript: Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks) Category: Keyword: hierarchical macrocell/microcell architecture, perfect/imperfect power control, perfect/imperfect sectorization, log-normal distribution, voice activity monitoring,
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Reuse Based Specification Support Method Using Mathematical Similarity Ushio YAMAMOTO Eun-Seok LEE Norio SHIRATORI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1996/11/25 Vol. E79-A No. 11 pp. 1752-1759 Type of Manuscript: Special Section PAPER (Special Section on Description Models for Concurrent Systems and Their Applications) Category: Keyword: FDT, LTS, similarity, specification reuse,
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A Support Method for Specification Process Based on LTSs Ushio YAMAMOTO Atsushi TOGASHI Norio SHIRATORI
Publication: IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences Publication Date: 1994/10/25 Vol. E77-A No. 10 pp. 1656-1662 Type of Manuscript: Special Section PAPER (Special Section on Net Theory and Its Applications) Category: Keyword: FDT, LTS, similarity, specification reuse, specification support,
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