WIRELESS SENSOR SYSTEM

PROBLEM TO BE SOLVED: To improve responsiveness in wireless communication.SOLUTION: In a wireless sensor system, a wireless signal including a prescribed message (e.g., a control command) is transmitted from a master unit M and the wireless signal is sequentially relayed by a relay machine Rj. Furth...

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Bibliographic Details
Main Authors KURODA MITSUNOBU, SUZUKI JUNICHI, FUJII TAKASHI, HASEGAWA AKIHIKO
Format Patent
LanguageEnglish
Published 10.05.2012
Subjects
ALARM SYSTEMS
ORDER TELEGRAPHS
PHYSICS
SIGNALLING
SIGNALLING OR CALLING SYSTEMS
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Summary:PROBLEM TO BE SOLVED: To improve responsiveness in wireless communication.SOLUTION: In a wireless sensor system, a wireless signal including a prescribed message (e.g., a control command) is transmitted from a master unit M and the wireless signal is sequentially relayed by a relay machine Rj. Furthermore, a wireless signal including an answer message with respect to the prescribed message is sequentially transmitted as a reply from a slave unit Si and the relay unit Rj which has received the wireless signal relays the answer message to the master unit M collectively. Therefore, A time Ts required from transmission of the message (control command) by the master unit M to reception of the answer message from every slave units Si with respect to the message can be reduced more than before, and responsiveness in wireless communication can be improved.
Bibliography:Application Number: JP20100236755