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PROBLEM TO BE SOLVED: To provide a technique to efficiently execute broadcast transmission.SOLUTION: A generator (36) divides first-type data into a plurality of partial data items and generates a plurality of first-type packets that include each of the divided partial data items, and generates a se...

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Bibliographische Detailangaben
Hauptverfasser:	EMI TETSUKAZU, SHIBATA TEPPEI, DOI YOSHIHARU, MIZUGUCHI TAKAO, NAGAI MAKOTO
Format:	Patent
Sprache:	eng ; jpn
Schlagworte:	ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY PHYSICS SIGNALLING TRAFFIC CONTROL SYSTEMS WIRELESS COMMUNICATIONS NETWORKS
Online-Zugang:	Volltext bestellen
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Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a technique to efficiently execute broadcast transmission.SOLUTION: A generator (36) divides first-type data into a plurality of partial data items and generates a plurality of first-type packets that include each of the divided partial data items, and generates a second-type packet that includes second-type data that is more frequently updated than the first-type data. A modulation and demodulation unit (24) and an RF unit (22) provide notification of the second-type packet in a specific period that arrives periodically and then provide notification of at least one first-type packet in a remaining period.SELECTED DRAWING: Figure 2 【課題】ブロードキャスト送信を効率的に実行する技術を提供する。【解決手段】生成部３６は、第１種のデータを複数の部分データに分割し、分割した部分データがそれぞれ含まれた複数の第１種のパケットを生成するとともに、第１種のデータよりも更新頻度の高い第２種のデータが含まれた第２種のパケットを生成する。変復調部２４、ＲＦ部２２は、周期的に到来する所定の期間において、第２種のパケットを報知してから、残った期間において、少なくともひとつの第１種のパケットを報知する。【選択図】図２