COMMUNICATION DEVICE, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT

COMMUNICATION DEVICE, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT

PROBLEM TO BE SOLVED: To provide a communication apparatus capable of maintaining the optimum communication characteristics and preventing transmission efficiency from decreasing, even when a transmission line state is not fixed. SOLUTION: A PLC modem 100, which transmits data to another PLC modem v...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: KONISHI TAISUKE, FURUYAMA TAKAYOSHI, NARITA TOKUU, YOSHIZAWA KENSUKE
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
MULTIPLEX COMMUNICATION
TRANSMISSION
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a communication apparatus capable of maintaining the optimum communication characteristics and preventing transmission efficiency from decreasing, even when a transmission line state is not fixed. SOLUTION: A PLC modem 100, which transmits data to another PLC modem via a power line 700, includes a communication frame control unit 23, which controls the frame length of a communication frame, on the basis of transmission line characteristics of the power line 700, a communication performance acquiring unit 23 which acquires the communication performance corresponding to the communication frame; and a determination unit 211, which determines whether the frame length of the communication frame needs to be controlled, on the basis of the communication performance. COPYRIGHT: (C)2010,JPO&INPIT