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    • 75. 发明申请
    • System And Methods For Data Communications In A Wireless Communication System
    • 无线通信系统中的数据通信系统与方法
    • US20100069068A1
    • 2010-03-18
    • US12622849
    • 2009-11-20
    • David ClarkAllan David LewisBarry GilhulyDavid BajarNataliya MartsynaRob Maurice
    • David ClarkAllan David LewisBarry GilhulyDavid BajarNataliya MartsynaRob Maurice
    • H04W60/00H04W4/00
    • H04W8/06H04L51/18H04L51/38H04L67/04H04L67/14H04L67/142H04L67/18H04L67/303H04W4/12H04W88/02
    • In one embodiment, a mobile communication device is configured to selectively enable user data communications after registration in a wireless communication network. The mobile device sends, via its radio, feature compliance information to the network. In response to the feature compliance information being sent, the mobile device receives, via the radio, configuration information which is derived based on the feature compliance information and location information of the mobile device. The mobile device then selectively enables the user data communications based on the received configuration information. In particular, the mobile device enables the user data communications when the location information indicates that the mobile device is operating in a particular country and the feature compliance information indicates feature compliance for the particular country. On the other hand, the mobile device disables the user data communications when the location information indicates that the mobile device is operating in the particular country and the feature compliance information indicates a lack of feature compliance for the particular country.
    • 在一个实施例中,移动通信设备被配置为在无线通信网络中注册之后有选择地启用用户数据通信。 移动设备通过其无线电将特征符合性信息发送到网络。 响应于正在发送的特征合规信息,移动设备经由无线电接收基于特征合规性信息和移动设备的位置信息导出的配置信息。 然后,移动设备基于接收到的配置信息选择性地启用用户数据通信。 特别地,当位置信息指示移动设备在特定国家/地区运行时,移动设备能够进行用户数据通信,并且特征符合性信息指示特定国家的特征符合性。 另一方面,当位置信息指示移动设备在特定国家/地区运行时,移动设备禁用用户数据通信,并且特征符合性信息指示特定国家缺乏特征符合性。
    • 76. 发明申请
    • SYNCHRONIZATION AND TIMING SOURCE PRIORITY IN AN AD-HOC NETWORK
    • 同步网络中的同步和时序源优先级
    • US20080240073A1
    • 2008-10-02
    • US11692278
    • 2007-03-28
    • Ngan-cheung PunDavid Clark
    • Ngan-cheung PunDavid Clark
    • H04J3/06
    • H04W56/0015
    • A bandwidth efficient and robust timing synchronization approach in an ad-hoc network is provided by a mobile ad-hoc network including at least one group of mobile nodes having at least one timing reference (TR) node. Mobile nodes include a controller and a wireless communications device cooperating therewith to generate and transmit timing synchronization beacons having a respective hop count indicating a number of hops to the at least one timing reference node, receive timing synchronization beacons from neighboring nodes, and synchronize node communication timing with neighboring nodes based upon the number of hops to the at least one timing reference node. The timing reference node may cooperate with the other mobile nodes based upon a timing source priority tree including levels defined by hop counts. The timing reference node is at a starting level of the timing source priority tree. The other nodes are at a higher level of the timing source priority tree than the starting level and correspond to the number of hops to the at least one timing reference node.
    • 在自组织网络中的带宽有效和鲁棒的时序同步方法由移动自组织网络提供,该移动自组织网络包括具有至少一个定时参考(TR)节点的至少一组移动节点。 移动节点包括控制器和与其配合的无线通信设备,以产生和发送具有指示到至少一个定时参考节点的跳数的相应跳数的定时同步信标,从相邻节点接收定时同步信标,并同步节点通信 基于到至少一个定时参考节点的跳数的相邻节点的定时。 定时参考节点可以基于包括由跳数定义的级别的定时源优先级树与其他移动节点协作。 定时参考节点处于定时源优先级树的起始位置。 其他节点处于定时源优先级树的比起始级别更高的级别,并且对应于至少一个定时参考节点的跳数。
    • 79. 发明申请
    • System and methods for the wireless delivery of a message
    • 用于无线传递消息的系统和方法
    • US20070105570A1
    • 2007-05-10
    • US11305268
    • 2005-12-16
    • David ClarkDavid BajarSimon WiseIan PattersonDavid YachAllan LewisGary Mousseau
    • David ClarkDavid BajarSimon WiseIan PattersonDavid YachAllan LewisGary Mousseau
    • H04Q7/20
    • H04L51/38H04L51/28H04W4/12
    • Systems and methods for a wireless communication system used for transmitting and receiving information, the information not containing identification of the information's intended recipient. A method for transmitting payload information, the method comprising providing verification information scrambling a portion of the verification information and transmitting the payload information with the scrambled verification information portion. Also provided is a method for processing transmitted payload information incorporated into an encoded information message with scrambled verification information, the method comprising receiving the encoded information message descrambling at least a portion of the scrambled verification information and comparing said descrambled verification information with predetermined verification information processing said payload information based on said comparison.
    • 用于发送和接收信息的无线通信系统的系统和方法,该信息不包含信息的预期接收者的标识。 一种用于发送有效载荷信息的方法,所述方法包括提供对所述验证信息的一部分进行加扰的验证信息,并且向所述加扰的验证信息部分发送所述有效载荷信息。 还提供了一种用于处理并入具有加扰验证信息的编码信息消息中的发送净荷信息的方法,所述方法包括:接收编码信息消息,对所述加扰的验证信息的至少一部分进行解扰,并将所述解扰的验证信息与预定的验证信息处理 基于所述比较的所述有效载荷信息。
    • 80. 发明申请
    • System and method for ultrasound pulse shaping and output power adjustment using multiple drive pulses
    • 使用多个驱动脉冲进行超声波脉冲整形和输出功率调整的系统和方法
    • US20060293595A1
    • 2006-12-28
    • US10569252
    • 2004-08-18
    • David ClarkDavid Sherrill
    • David ClarkDavid Sherrill
    • A61B8/00
    • G01S7/52085G01S7/5202G01S7/52046G01S15/105G10K11/34
    • The present invention provides a system and method for ultrasound pulse shaping and output power adjustment using multiple drive pulses. The multiple drive pulses are width modulated to provide the required output signal power and wave-shape characteristics. Using multiple width-modulated pulses provides control over power output that is capable of being varied much more rapidly than using a conventional voltage modulated drive pulse. Additionally, the multiple drive pulses provide better control over unwanted harmonics than does a single drive pulse. These two advantages allow multiple width modulated pulses to increase the capabilities in ultrasonic imaging devices, thereby, allowing for rapid switching between imaging techniques having widely disparate power requirements so that composite diagnostic images may be constructed combining the diagnostic benefits the various imaging techniques have to offer.
    • 本发明提供一种用于使用多个驱动脉冲的超声波脉冲整形和输出功率调整的系统和方法。 多个驱动脉冲被宽度调制以提供所需的输出信号功率和波形特性。 使用多个宽度调制脉冲提供对功率输出的控制,其能够比使用传统的电压调制驱动脉冲更快地变化。 另外,与单个驱动脉冲相比,多个驱动脉冲提供对不需要的谐波的更好的控制。 这两个优点允许多个宽度调制脉冲增加超声成像设备的能力,从而允许在具有广泛不同的功率需求的成像技术之间的快速切换,使得可以构建复合诊断图像,其结合了各种成像技术必须提供的诊断益处 。