論文 - 片山 正昭
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An Integrated Voice/Data CDMA Packet Communications with Multi-Code CDMA Scheme 査読有り
"A. Sandouk, T. Yamazato, M. Katayama, A. Ogawa"
IEICE Transaction on Communications vol.E82-A 巻 ( no.10 ) 頁: pp.2105-2114 1999年10月
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A Scheme for Throughput Improvement in Voice/Data CDMA Packet Communications 査読有り
"A. Sandouk, T. Yamazato, M. Katayama, and A. Ogawa"
IEEE Vehicular Technology Conference 頁: pp.362-366 1999年9月
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Transmitter Precoding with Multiple Transmit/Receive Antennas for High Date Rate Communication in Bandwidth-limited Channels 査読有り
"K. Ban, M. Katayama, T. Yamazato, and A. Ogawa"
IEEE Vehicular Technology Conference Fall 頁: pp.1946-1950 1999年9月
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Throughput Performance of CDMA Slotted ALOHA Systems with Accurate Packet Success Probability 査読有り
"M. Saito, T. Yamazato, M. Katayama, and A. Ogawa"
The Second International Symposium on Wireless Personal Multimedia Communications (WPMC'99) vol.1 巻 ( no.9.5 ) 頁: pp. 354-359 1999年9月
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Performance Improvements applying an Adaptive Array Antenna at both the Base and Mobile Stations in Cellular CDMA 査読有り
"Youssef R. Senhaji, H. Okada, T. Yamazato, M. Katayama and A. Ogawa"
"IEEE International Symposium on Personal, Indoor and Mobile Radio Communication" vol.3 巻 頁: pp.982-986 1999年9月
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Error Resilient Video Coding System for Wireless Communication -Using Motion Compensted Field 査読有り
"M. Honjo, S. Makido, T. Yamazato, M. Katayama and A. Ogawa"
The Second International Symposium on Wireless Personal Multimedia Communications (WPMC'99) vol. 1 巻 ( no. 4.2 ) 頁: pp. 214-218 1999年9月
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Acquisition of a DS/SS Signal with Macro/Micro Antenna Diversity under Rayleigh Fading and Log-normal Shadowing 査読有り
"Y. Ikai, M. Katayama, T. Yamazato and A. Ogawa"
"IEEE International Symposium on Personal, Indoor and Mobile Radio Communication" 頁: pp.1526-1530 1999年9月
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A New Acquisition Scheme of a DS/SS Signal with Transmit and Receive Antenna Diversity 査読有り
"Y. Ikai, M. Katayama, T. Yamazato and A. Ogawa"
IEEE International Conference on Communications 頁: pp.1256-1261 1999年6月
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Throughput Improvement of a Dual-Class Multi-code CDMA ALOHA System with Modified Channel Load Sensing Protocol 査読有り
"A. Sandouk, H. Okada, T. Yamazato, M. Katayama, and A. Ogawa"
IEEE International Conference on Communications 頁: pp.1079-1083 1999年6月
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Hirarchical Transmission of Huffman Code Using Multi-Code/Multi-Rate DS/SS Modulation with appropriate Power Control 査読有り
"A. Makido, T. Yamazato, M. Katayama, A. Ogawa"
IEICE Transaction on Communications vol.E81-B 巻 ( no.12 ) 頁: pp.2283-2289 1998年12月
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Tutorial : Introduction to CDMA ALOHA 査読有り
"T. Yamazato, A. Ogawa, M. Katayama and A. Jamalipour"
"Tutorial Note, TI-13, 1998 IEEE Global Telecommunications Conference" 頁: N/A 1998年11月
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Performance of a LEOS Communication System with Overlaid and Overlapped Cell Arrangement 査読有り
"K.Ono, M.Katayama, T.Yamazato and A.Ogawa"
Third European Workshop on Mobile/Personal Satcoms vol.1 巻 頁: pp.131-145 1998年11月
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Performance Evaluation of DS/CDMA Communications Systems Modulated with pi/2-Shift BPSK over Multipath Rayleigh Fading Channels 査読有り
"A. Galib, T. Yamazato, M. Katayama and A. Ogawa"
"1998 IEEE Global Telecommunications Conference, Sydney, Communications Theory Mini" 頁: N/A 1998年11月
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Performance Evaluation of DS/CDMA Communications Systems Modulated with pi/2-Shift BPSK over Multipath Rayleigh Fading Channels 査読有り
"A. Galib, T. Yamazato, M. Katayama, A. Ogawa"
IEICE Transaction on Fundamentals vol.E81-A 巻 ( no.11 ) 頁: pp.2304-2310 1998年11月
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New Quasi-Synchronous Sequences for CDMA Slotted ALOHA Systems 査読有り
"M. Saito, T. Yamazato, M. Katayama, A. Ogawa"
IEICE Transaction on Fundamentals vol.E81-A 巻 ( no.11 ) 頁: pp.2274-2280 1998年11月
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Initial Acquisition of Code Timings and Carrier Frequencies of CDMA Downlink Signals in Multiple-LEO-Satellite Communication Systems 査読有り
"M. Ishizu, M. Katayama, T. Yamazato, A. Ogawa"
IEICE Transaction on Fundamentals vol.E81-A 巻 ( no.11 ) 頁: pp.2281-2290 1998年11月
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Hierarchical Transmission System using Multi-Code/Multi-Rate DS/SS Modulation 査読有り
"T. Yamazato, S. Makido, M. Katayama and A. Ogawa"
IEEE Global Telecommunications Conference vol.4 巻 頁: pp.2147-2152 1998年11月
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Evaluation of the Interference with Small Number of Users in Orthogonal Multi-Code CDMA Systems 査読有り
"A. Fujiwara, T. Wada, T. Yamazato, M. Katayama and A. Ogawa"
International Symposium on Wireless Personal Multimedia Communications vol.1 巻 頁: pp.422-427 1998年11月
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An Access Control Scheme Based on Transmit Power for CDMA ALOHA System under a Cellular Environment 査読有り
"Y. Asai, T. Yamazato, M. Katayama and A. Ogawa"
International Symposium on Information Theory and Its Applications vol.2 巻 頁: pp.491-494 1998年10月
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Queueing Analysis of CDMA Unslotted ALOHA Systems with Finite Buffers 査読有り
"H. Okada, T. Yamazato, M. Katayama, A. Ogawa"
IEICE Transaction on Fundamentals vol.E81-A 巻 ( no.10 ) 頁: pp.2083-2091 1998年10月