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    • 5. 发明授权
    • Smart grid radio-frequency interference (RFI) detection
    • 智能电网射频干扰(RFI)检测
    • US08335246B2
    • 2012-12-18
    • US13206608
    • 2011-08-10
    • Edgar H. Callaway, Jr.
    • Edgar H. Callaway, Jr.
    • H04B3/46
    • H04W24/00H04B1/707H04L1/201
    • A method, system, network and device provide Smart Grid Radio Frequency Interference (RFI) detection. One or more symbols or chips present in one or more received radio frequency signals are detected and the presence of one or more erred symbols or chips in the detected one or more symbols present in the received one or more radio frequency signals determined. A correlation in time between the one or more erred symbols or chips and an infrastructure waveform associated with electrical infrastructure can be determined. When the determined correlation indicates the electrical infrastructure as a source of detectable radio frequency interference to a device, a pattern flag is generated. The pattern flag or pattern flag representation can be stored and/or transmitted.
    • 一种方法,系统,网络和设备提供智能电网射频干扰(RFI)检测。 检测一个或多个接收的射频信号中存在的一个或多个符号或码片,并且确定所接收的一个或多个射频信号中存在的检测到的一个或多个符号中存在一个或多个错误符号或码片。 可以确定一个或多个错误符号或码片之间的时间相关性和与电气基础设施相关联的基础设施波形。 当确定的相关性指示电气基础设施作为对设备的可检测射频干扰的源时,生成模式标志。 可以存储和/或发送模式标志或模式标志表示。
    • 9. 发明授权
    • Method and apparatus employing a mediation device to facilitate communication among devices in an asynchronous communications network
    • 采用中介设备促进异步通信网络中的设备之间的通信的方法和装置
    • US06816493B2
    • 2004-11-09
    • US09803322
    • 2001-03-09
    • Qicai ShiJian HuangEdgar H. Callaway, Jr.
    • Qicai ShiJian HuangEdgar H. Callaway, Jr.
    • H04L1228
    • H04W48/08H04W4/12H04W52/0219H04W76/10H04W84/18H04W88/04Y02D70/00
    • A low power consumption protocol for low power communication devices attached to an asynchronous network is described. In this protocol, a communication device is used as a high communication duty cycle Mediation Device (MD), thus permitting other communication devices to use a low communication duty cycle framing structure. The MD functions as a storage and retrieval service for messages between two devices when one device is not able to communicate. When the previously unavailable device becomes available, it can check in with the MD to retrieve any missed messages and respond to these messages accordingly. In a communication network, each of the low power communication devices can be configured to behave as MD's for a small amount of time. Sharing this responsibility among all communication devices in the network allows each device to maintain an low average communication duty cycle. This technique is applicable to a low power, low cost, zero-configuring, self-organizing, asynchronous network.
    • 描述了连接到异步网络的低功率通信设备的低功耗协议。 在该协议中,通信设备被用作高通信占空比中介设备(MD),从而允许其他通信设备使用低通信占空比帧结构。 当一个设备无法通信时,MD作为两个设备之间的消息的存储和检索服务。 当以前不可用的设备变得可用时,它可以使用MD检入以检索任何错过的消息并相应地响应这些消息。 在通信网络中,每个低功率通信设备可被配置为在少量时间内表现为MD。 在网络中的所有通信设备之间共享这个责任允许每个设备保持较低的平均通信占空比。 该技术适用于低功耗,低成本,零配置,自组织,异步网络。