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    • 6. 发明申请
    • METHODS AND APPARATUS FOR DETECTING PRESENCE OF A JAMMING SIGNAL
    • 检测信号的存在的方法和装置
    • US20140038536A1
    • 2014-02-06
    • US13567219
    • 2012-08-06
    • William E. WelnickWilliam P. Alberth, JR.Daniel J. Declerck
    • William E. WelnickWilliam P. Alberth, JR.Daniel J. Declerck
    • H04B17/00H04B1/18
    • H04B1/1027
    • A communication device performs a method for detecting presence of a jamming signal. The method includes retrieving a scan list comprising multiple radio channels within a first frequency range of operation of the communication device. The method further includes scanning at least a subset of the channels on the scan list to determine, for each scanned channel, whether energy that exceeds an energy threshold is detected on the scanned channel. Moreover, the method includes determining a first quantitative measure based on a first plurality scanned channels having energy that exceeds the energy threshold, and comparing the first quantitative measure to at least a first jamming signal detection threshold. Additionally, the method includes indicating, on the communication device, presence of a jamming signal when the first quantitative measure satisfies the at least a first jamming signal detection threshold.
    • 通信装置执行用于检测干扰信号的存在的方法。 该方法包括在通信设备的第一操作频率范围内检索包括多个无线电信道的扫描列表。 该方法还包括扫描扫描列表上的信道的至少一个子集,以针对每个扫描的信道确定是否在所扫描的信道上检测到超过能量阈值的能量。 此外,该方法包括基于具有超过能量阈值的能量的第一多个扫描信道确定第一定量测量,以及将第一定量测量与至少第一干扰信号检测阈值进行比较。 此外,该方法包括在第一定量测量满足至少第一干扰信号检测阈值时在通信设备上指示干扰信号的存在。
    • 9. 发明授权
    • Deep sleep mode for portable communication device
    • 便携式通信设备的深度睡眠模式
    • US07546149B2
    • 2009-06-09
    • US11075540
    • 2005-03-08
    • Naveen AerrabotuWilliam P. Alberth, Jr.Daniel J. DeclerckMurall NarasimhaWilliam E. Welnick
    • Naveen AerrabotuWilliam P. Alberth, Jr.Daniel J. DeclerckMurall NarasimhaWilliam E. Welnick
    • H04B1/38H04M1/00
    • H04W52/0216H04W52/0219Y02D70/142Y02D70/168
    • A portable communication device (100) is provided with first transceiver circuitry (104) for sending and receiving signals on a first communication path and second transceiver circuitry (116) for sending and receiving signals on a second communication path. The portable communication device (100) also includes a controller (112) coupled to the first transceiver circuitry (104) and the second transceiver circuitry (116) for providing a deregistration message to the second transceiver circuitry (116) for transmission therefrom in response to determining that the portable communication device (100) is within signal coverage of the first communication path, activating the first transceiver circuitry (104) to send and receive signals on the first communication path, deactivating the second transceiver circuitry (116), and thereafter activating the second transceiver circuitry (116) at times separated by a predetermined time interval to monitor at least one housekeeping channel of the second communication path.
    • 便携式通信设备(100)设置有用于在第一通信路径上发送和接收信号的第一收发器电路(104)和用于在第二通信路径上发送和接收信号的第二收发器电路(116)。 便携式通信设备(100)还包括耦合到第一收发器电路(104)和第二收发器电路(116)的控制器(112),用于向第二收发器电路(116)提供注销消息以便响应于 确定便携式通信设备(100)在第一通信路径的信号覆盖范围内,激活第一收发器电路(104)以在第一通信路径上发送和接收信号,停用第二收发器电路(116),然后激活 所述第二收发器电路(116)有时间间隔预定时间间隔以监视所述第二通信路径的至少一个管理通道。