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    • 74. 发明公开
    • Spread spectrum meter reading system utilizing low speed frequency hopping
    • SpreizspektrumZählerablesesystemmittels langsamen Frequenzsprungverfahren
    • EP2381586A1
    • 2011-10-26
    • EP10184280.5
    • 2001-07-23
    • Itron, Inc.
    • Cumeralto, ScottMacConnell, John
    • H04B3/54
    • H04B3/546H04B1/713H04B3/36H04B2203/5408H04B2203/5425H04B2203/5433H04B2203/5441H04B2203/547H04B2203/5479H04B2203/5491H04Q9/00H04Q2209/40H04Q2209/50H04Q2209/60H04Q2209/826
    • A spread spectrum meter reading system enables the use of high power frequency hopping spread spectrum (HFSS) transmission at both the encoder transmitter and repeater levels of the meter reading system. A plurality of end point encoder transmitter devices (RF devices) are each connected to a utility meter and transmit high power FHSS signals containing metering data for the corresponding utility meter. A plurality of intermediate transceiver units (PET Repeaters) both receives and retransmits the high power FHSS signals. The base station (PETRC Base Unit) can receive the high power FHSS signals from both the encoder transmitter devices and the intermediate transceiver units. The intermediate transceiver units aggregates metering data from multiple encoder transmitter devices prior to block retransmission of the metering data to the base station. The high power FHSS signals are transmitted at a maximum hopping rate to reduce power consumption and increase battery life of the devices.
    • 扩展频谱仪读取系统使得能够在抄表系统的编码器发射器和中继器电平上使用高功率跳频扩频(HFSS)传输。 多个端点编码器发射机设备(RF设备)各自连接到公用事业仪表,并且传送包含用于相应的功率表的测量数据的高功率FHSS信号。 多个中间收发器单元(PET中继器)都接收和重发大功率FHSS信号。 基站(PETRC基站)可以从编码器发射机设备和中间收发器单元接收高功率FHSS信号。 中间收发器单元在将测量数据块重传到基站之前聚合来自多个编码器发射机设备的计量数据。 大功率FHSS信号以最大跳频传输,以降低功耗并延长设备的电池寿命。