ENDKNOTEN UND NETZWERKKOORDINATOR, DIE EIN AUF CSMA BASIERENDES PROTOKOLL VERWENDEN

ENDKNOTEN UND NETZWERKKOORDINATOR, DIE EIN AUF CSMA BASIERENDES PROTOKOLL VERWENDEN

A communication protocol based on CSMA between a node, in particular an electronic label, and a network coordinator is disclosed. The node comprises:-a transceiver provided for communication with a network coordinator, wherein the transceiver handles a transmission channel based on CSMA;-a processin...

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Bibliographische Detailangaben
Hauptverfasser: STEENBERGEN, CORNELIS ADRIANUS MARINUS, VAN DEN BOSCH, BRAM HUGO BERT, KAMERMAN, ADRIAAN, NOEL, STEPHAN JOHANN, JONKERS, BART MAGDA ALEX, BREDERVELD, LOEKE
Format: Patent
Sprache:ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
DATA PROCESSING SYSTEMS OR METHODS, SPECIALLY ADAPTED FORADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORYOR FORECASTING PURPOSES
PHYSICS
SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE,COMMERCIAL, FINANCIAL, MANAGERIAL, SUPERVISORY OR FORECASTINGPURPOSES, NOT OTHERWISE PROVIDED FOR
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Zusammenfassung:A communication protocol based on CSMA between a node, in particular an electronic label, and a network coordinator is disclosed. The node comprises:-a transceiver provided for communication with a network coordinator, wherein the transceiver handles a transmission channel based on CSMA;-a processing unit provided for processing data received via the transmission channel and displaying the data on a display unit. The electronic label is arranged to perform:-sending recurrently a data request packet;-going to a low power mode after sending the data request packet; and-waking-up for receiving a data response packet a predefined time interval after beginning sending the data request packet. The network coordinator is arranged to transmit the data response packet the predefined time interval after receiving the beginning of the data request packet. The invention provides a protocol based on CSMA with very low power operation in which a multitude of end nodes could receive from a network coordinator their corresponding data.