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Keiichi Umezu

dblp:202/8710 · DBLP profile ↗
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1ranked-venue papers
0as first author
0since 2021 · last 2006
—ORCID · none

Domains — the database's venue-derived domains; a paper can count in several

Applied, interdisciplinary, general and emerging computing · 1

Expertise — from the expertise taxonomy: the topics of the expert's papers under the CCF categories. A weight counts papers with recency: 1 for a paper about the topic, 0.3 when the topic is its context, halved every five years.

Computer networks
1 paper
Physical-layer communications · 62% Wireless networking · 19% Vehicular, aerial and satellite networks · 19%

Topics — the 3 heaviest of 3, each with the papers that count most for it

TopicWeightPapersLastEvidence papers
Physical-layer communications
channel coding		 0.112006
Uplink Facilities Based on ISDB-S · Proc. IEEE 2006
Wireless networking
broadcast		 0.012006
Uplink Facilities Based on ISDB-S · Proc. IEEE 2006
Vehicular, aerial and satellite networks › satellite communication
satellite broadcasting		 0.012006
Uplink Facilities Based on ISDB-S · Proc. IEEE 2006
YearPublicationVenuePosition
2006 Uplink Facilities Based on ISDB-S
abstract
This paper introduces the key technology of the Uplink Center facility for ISDB-S that provides HDTV based digital broadcasting services in Japan. It especially focuses on the unique aspects of the base-band signal processing,such as multiplexing, channel coding, and clock synchronization, as they relate to the ISDB-S transmission system.
Hisakazu Katoh, Keiichi Umezu, Kazufumi Tsuchiya
 Proc. IEEE2