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    • 42. 发明授权
    • Packet identification for power saving in wireless communication networks
    • 无线通信网络中节能的分组识别
    • US08553605B2
    • 2013-10-08
    • US12957077
    • 2010-11-30
    • James S. ChoYouhan KimNing ZhangShiwei Zhao
    • James S. ChoYouhan KimNing ZhangShiwei Zhao
    • H04H20/71
    • H04W52/0206H04W8/186H04W52/0229H04W60/00Y02D70/142Y02D70/144Y02D70/146Y02D70/162Y02D70/22
    • A network coordinator can assign an association identifier (AID) and/or a group identifier (GID) to identify a client station to which a packet is to be transmitted and to enable the client station to determine whether to receive an incoming packet. The network coordinator can randomly generate a base AID that is representative of the network coordinator and can assign at least one AID to client stations to minimize the probability of client stations associated with proximate network coordinators being assigned the same AIDs. The network coordinator can also randomly assign at least one GID to a group of client stations to minimize the probability of groups of client stations associated with the proximate network coordinators being assigned the same GID. The client station can analyze indications of a received AID and/or received GID to determine whether to receive the packet or whether to switch to an inactive power state.
    • 网络协调器可以分配关联标识符(AID)和/或组标识符(GID)来标识要向其发送分组的客户端站,并使客户端站能够确定是否接收输入分组。 网络协调器可以随机生成代表网络协调器的基本AID,并且可以向客户站分配至少一个AID以最小化与被分配相同AID的邻近网络协调器相关联的客户站的概率。 网络协调器还可以随机地向一组客户端站分配至少一个GID,以最小化与被分配相同GID的邻近网络协调器相关联的客户端站组的概率。 客户端站可以分析所接收的AID和/或接收到的GID的指示,以确定是接收分组还是切换到无效功率状态。
    • 43. 发明授权
    • Application hierarchy and state manipulation
    • 应用层次和状态操纵
    • US08538889B2
    • 2013-09-17
    • US12145506
    • 2008-06-25
    • Ajay Arvind BhaveMark Walter ZagorskiTarik SoulamiBrian S. PerlmanNing Zhang
    • Ajay Arvind BhaveMark Walter ZagorskiTarik SoulamiBrian S. PerlmanNing Zhang
    • G06F21/00
    • G06F21/105G06F21/126G06Q30/0601
    • An instance of an application hierarchy can be stored on a client computer to facilitate enforcement of software licensing by a software license component of a software protection system. The application hierarchy is a tree structure (e.g., unordered) that includes a top node, one or more product offering group(s), and, one or more selling unit(s).A computer-implemented software protection system can facilitate enforcement of software licensing on a client computer. The software protection system includes a software license component that can store and enforce software licensing rule(s). The software license component can further manipulate state data of an instance of the application hierarchy stored in a licensing data store via application program interface(s) (APIs). State data and/or property(ies) of a particular node of the instance of the application hierarchy can be accessed through the API via an assigned identifier.
    • 应用程序层次结构的实例可以存储在客户端计算机上,以便软件许可组件由软件保护系统执行软件许可。 应用层级是包括顶级节点,一个或多个产品提供组以及一个或多个销售单元的树结构(例如,无序的)。 计算机实现的软件保护系统可以促进在客户端计算机上执行软件许可。 软件保护系统包括可以存储和执行软件许可规则的软件许可证组件。 软件许可证组件可以通过应用程序接口(API)进一步操纵存储在许可数据存储器中的应用层级的实例的状态数据。 应用层次结构实例的特定节点的状态数据和/或属性可以通过API通过分配的标识符来访问。
    • 44. 发明授权
    • Hybrid time of arrival based positioning system
    • 混合时间到达定位系统
    • US08457655B2
    • 2013-06-04
    • US13236232
    • 2011-09-19
    • Xiaoxin ZhangNing Zhang
    • Xiaoxin ZhangNing Zhang
    • H04W24/00
    • G01S5/021G01S5/0268G01S5/0289G01S5/14
    • A hybrid TOA positioning system can be implemented to improve location estimation of a wireless network device. An initial location of the wireless network device can be calculated based on locations of a plurality of reference network devices. A first intermediate location of the wireless network device and an intermediate distance calibration constant can be determined based, at least in part, on the initial location of the wireless network device and distance between the wireless network device and each of the reference network devices. A second intermediate location of the wireless network device and a target distance calibration constant can be calculated based on the locations of the reference network devices, the first intermediate location, and/or the intermediate distance calibration constant. The location of the wireless network device can be iteratively estimated based, at least in part, on the second intermediate location and the target distance calibration constant.
    • 可以实现混合TOA定位系统以改善无线网络设备的位置估计。 可以基于多个参考网络设备的位置来计算无线网络设备的初始位置。 可以至少部分地基于无线网络设备的初始位置以及无线网络设备与每个参考网络设备之间的距离来确定无线网络设备的第一中间位置和中间距离校准常数。 可以基于参考网络设备的位置,第一中间位置和/或中间距离校准常数来计算无线网络设备的第二中间位置和目标距离校准常数。 可以至少部分地基于第二中间位置和目标距离校准常数来迭代地估计无线网络设备的位置。
    • 45. 发明申请
    • TIME OF ARRIVAL BASED POSITIONING FOR WIRELESS COMMUNICATION SYSTEMS
    • 基于无线通信系统的基于时间的定位时间
    • US20130100850A1
    • 2013-04-25
    • US13278642
    • 2011-10-21
    • Xiaoxin ZhangNing Zhang
    • Xiaoxin ZhangNing Zhang
    • H04W24/00H04W84/12
    • G01S5/0205G01S5/14G01S13/878
    • A TOA positioning system can be implemented to improve location estimation of a wireless network device. A first subset of a plurality of reference wireless network devices for determining potential locations of the wireless network device and a second subset of the plurality of reference wireless network devices for determining an estimated location of the wireless network device can be selected. The first and the second subsets can be selected based on a plurality of distance measurements and an average distance and associated with each of the plurality of reference wireless network devices. The potential locations of the wireless network device can be determined based on the first subset of the plurality of reference wireless network devices. The estimated location of the wireless network device can be determined from the potential locations of the wireless network device based on the second subset of the plurality of reference wireless network devices.
    • 可以实现TOA定位系统以改善无线网络设备的位置估计。 可以选择用于确定无线网络设备的潜在位置和用于确定无线网络设备的估计位置的多个参考无线网络设备的第二子集的多个参考无线网络设备的第一子集。 可以基于多个距离测量和平均距离来选择第一和第二子集,并且与多个参考无线网络设备中的每一个相关联。 可以基于多个参考无线网络设备的第一子集来确定无线网络设备的潜在位置。 可以基于多个参考无线网络设备的第二子集从无线网络设备的潜在位置来确定无线网络设备的估计位置。
    • 46. 发明申请
    • TIME OF ARRIVAL BASED POSITIONING SYSTEM
    • 基于时间的定位系统
    • US20130072217A1
    • 2013-03-21
    • US13236172
    • 2011-09-19
    • Xiaoxin ZhangNing Zhang
    • Xiaoxin ZhangNing Zhang
    • H04W24/00
    • H04W4/02G01S5/021G01S5/14G01S13/876
    • A TOA positioning system can be implemented that employs a calculated initial location of a wireless network device. For each of a plurality of reference wireless network devices, a distance between the wireless network device and the reference wireless network device is determined based, at least in part, on a round trip transit time between the wireless network device and the reference wireless network device. An initial location of the wireless network device can be calculated based, at least in part, on a location of each of the plurality of reference wireless network devices. A location of the wireless network device can be estimated based, at least in part, on the calculated initial location, the distance to each of the reference wireless network devices, and an initial distance calibration constant.
    • 可以实现采用计算的无线网络设备的初始位置的TOA定位系统。 对于多个参考无线网络设备中的每一个,无线网络设备和参考无线网络设备之间的距离至少部分地基于无线网络设备和参考无线网络设备之间的往返传送时间来确定 。 可以至少部分地基于多个参考无线网络设备中的每一个的位置来计算无线网络设备的初始位置。 可以至少部分地基于所计算的初始位置,到每个参考无线网络设备的距离以及初始距离校准常数来估计无线网络设备的位置。
    • 47. 发明申请
    • Method, Devices and a System for Communication
    • 方法,设备和通信系统
    • US20130019185A1
    • 2013-01-17
    • US13637108
    • 2010-03-26
    • Ning Zhang
    • Ning Zhang
    • G06F15/16G06F3/01
    • H04L51/20G01C21/3438G06Q10/109G06Q30/02
    • The invention relates to methods, devices, services and systems for composing a message, where forming the message utilizes information of a planned encounter and related location information. The user may choose one or more people, and give encounter information for example by indicating the type of a location where the encounter is planned. The message is then composed at least partly automatically by using this information on people and the encounter, and a location may be chosen and a route to the location may be formed so that the encounter can be arranged. This information is inserted into the message being composed.
    • 本发明涉及用于组合消息的方法,设备,服务和系统,其中形成消息利用计划的遇到和相关位置信息的信息。 用户可以选择一个或多个人,并且例如通过指示遇到计划的位置的类型来给出遇到的信息。 然后,通过使用关于人和遇到的这种信息来至少部分地自动地组合消息,并且可以选择位置,并且可以形成到该位置的路线,使得可以布置相遇。 该信息被插入正在组成的消息中。
    • 48. 发明申请
    • RELATIVE POSITION DETERMINATION OF WIRELESS NETWORK DEVICES
    • 无线网络设备的相对位置确定
    • US20130010617A1
    • 2013-01-10
    • US13178475
    • 2011-07-07
    • Qifan ChenYouhan KimNing Zhang
    • Qifan ChenYouhan KimNing Zhang
    • H04W24/00H04W4/02
    • H04W64/00G01S1/725H04W84/18
    • The position of a target wireless device in a wireless communication network can be calculated relative to a predetermined number of reference wireless devices in the wireless communication network to preclude the need for fixed/absolute reference points. The reference wireless devices can be selected based, at least in part, on comparing one or more performance measurements associated with each wireless device against one or more corresponding threshold performance measurements. The position of each of the reference wireless network devices relative to each other is determined based, at least in part, on a distance between each pair of the reference wireless network devices. The relative position of the target wireless network device is determined based, at least in part, on the position of each of the reference wireless network devices relative to each other and a distance between the target wireless network device and each of the reference wireless network devices.
    • 可以相对于无线通信网络中的预定数量的参考无线设备来计算无线通信网络中的目标无线设备的位置,以排除对固定/绝对参考点的需要。 可以至少部分地基于将与每个无线设备相关联的一个或多个性能测量与一个或多个相应的阈值性能测量进行比较来选择所述参考无线设备。 至少部分地基于每对参考无线网络设备之间的距离确定每个参考无线网络设备相对于彼此的位置。 目标无线网络设备的相对位置至少部分地基于每个参考无线网络设备相对于彼此的位置以及目标无线网络设备与每个参考无线网络设备之间的距离来确定 。
    • 49. 发明授权
    • Optimized streaming evaluation of XML queries
    • XML查询的优化流评估
    • US08250062B2
    • 2012-08-21
    • US11938017
    • 2007-11-09
    • Ning ZhangSivasankaran ChandrasekarNipun AgarwalSam Idicula
    • Ning ZhangSivasankaran ChandrasekarNipun AgarwalSam Idicula
    • G06F7/00G06F17/00
    • G06F17/30938G06F17/2247G06F17/2258
    • A database system may perform a streaming evaluation of an XPath expression by utilizing an XPath evaluation component in tandem with an XML event-streaming component. For a more optimal filtered streaming evaluation, the XML event-streaming component may provide an interface whereby the evaluation component sends certain criteria to the event-streaming component when requesting an XML event. The criteria may be based on a next unmatched step in the XPath expression. In response to the request for an XML event, the event-streaming component may only return events that match the criteria. The evaluation component may be, for example, a compiled state machine for the XPath expression. The criteria may be pre-compiled for each possible state in the state machine. The event-streaming component may also utilize the criteria along with schema information to skip parsing of certain segments of XML data.
    • 数据库系统可以通过与XML事件流组件一起使用XPath评估组件来执行XPath表达式的流评估。 对于更优化的过滤流评估,XML事件流组件可以提供一个接口,当请求XML事件时,评估组件向事件流组件发送特定标准。 标准可能基于XPath表达式中的下一个不匹配的步骤。 响应对XML事件的请求,事件流组件可能只返回符合条件的事件。 评估组件可以是例如XPath表达式的编译状态机。 可以对状态机中的每个可能的状态预先准备标准。 事件流组件还可以利用标准以及模式信息来跳过某些XML数据段的解析。