作者: Paul J. Husted , William J. Mcfarland , David K. Su
DOI:
关键词:
摘要: A wireless device includes a functional unit, transceiver, an antenna and clock. The transceiver are coupled to the unit. clock is unit transceiver. generates signal. wirelessly slave device. configured determine amount of time since last keep alive transmission with has occurred based on determines number transmissions transmit device, appropriate times for relative next scheduled time, determined transmission. begins successive per times.