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    • 81. 发明授权
    • Fault-tolerant timeout communication protocol with sensor integration
    • US07636038B1
    • 2009-12-22
    • US11671200
    • 2007-02-05
    • Shimon Y. NofYan LiuWootae Jeong
    • Shimon Y. NofYan LiuWootae Jeong
    • G08B29/00
    • H04W24/04H04L67/12H04W84/18
    • A fault-tolerant timeout protocol for distributed sensor arrays and networks in which each sensor has a plurality of backup nodes, each of which is operable to send priority information which includes the product of the time needed for the backup node to transmit sensor information to a base station and the number of tasks offered to the backup node. In another embodiment, the base station stores the two values and calculates their product. In both cases, the lowest resulting value is used by the base station to select the backup node, which then sends backup sensor information. Another aspect of the present invention is a fault-tolerant sensor integration algorithm. The algorithm creates an abstract sensor defined as an interval having values above and below the reading of an associated physical sensor, and finds a range of values common to more than half of the abstract sensors. The algorithm obtains an output value based on the common range of values, and identifies the correct sensors, possibly faulty sensors, and faulty sensors by identifying the abstract sensors that include, respectively, (a) all of the common range, (b) part of the common range, and (c) none of the common range. A further aspect of the invention is a multi-hop information forwarding method for a wireless network. According to this method, a data source node transmits a signal to neighboring nodes among a plurality of distributed nodes, and each neighboring node which receives the signal from the source node transmits a reply signal which includes a weighted sum of factors including an energy factor and a distance factor for the neighboring node, the energy factor being indicative of the neighboring node's energy level and the distance factor being indicative of its distance from the source node. A forwarding node is selected on the basis of the weighted sums, and the source node transmits a data packet to the selected forwarding node, where the data packet is received and retransmitted either to a data sink node, e.g., a base station, or to another forwarding node.
    • 83. 发明申请
    • AUTONOMOUS OPERATION OF NETWORKING DEVICES
    • 网络设备自动运行
    • US20090292793A1
    • 2009-11-26
    • US12124560
    • 2008-05-21
    • Michael Zhihe JiangYan LiuJohn C. StrassnerJing Zhang
    • Michael Zhihe JiangYan LiuJohn C. StrassnerJing Zhang
    • G06F15/177
    • H04L41/0806H04L41/0823H04L41/0893
    • A system, method, and information processing system for managing a configuration of a network device. A current state associated with at least one network device (104) is determined (206). A set of commands (118) available for the current state of the network device (104) is retrieved (208). A next state associated with a current command is determined (216) for each command in the set of commands (118). A transition from the current state to the next state is created (218, 222) in response to determining a next state associated with a current command. A transition is determined to have been created for each command in the set of commands (118). An extended finite state machine (120) is created that includes at least the current state, the next state, and the transition for each of the commands in the set of commands (118).
    • 一种用于管理网络设备的配置的系统,方法和信息处理系统。 确定与至少一个网络设备(104)相关联的当前状态(206)。 检索可用于网络设备(104)的当前状态的一组命令(118)(208)。 对于命令集(118)中的每个命令确定与当前命令相关联的下一状态(216)。 响应于确定与当前命令相关联的下一状态,创建从当前状态到下一状态的转变(218,222)。 确定为命令集(118)中的每个命令创建了一个转换。 创建扩展有限状态机(120),其至少包括在该组命令(118)中的每个命令的当前状态,下一状态和转换。
    • 85. 发明申请
    • METHOD AND SYSTEM FOR IDENTIFYING COMPANIES WITH SPECIFIC BUSINESS OBJECTIVES
    • 用于识别具有特定业务目标的公司的方法和系统
    • US20090204569A1
    • 2009-08-13
    • US12028877
    • 2008-02-11
    • Timothy R. BowdenUpendra ChitnisIldar K. KhabibrakhmanovRichard D. LawrenceYan LiuPrem Melville
    • Timothy R. BowdenUpendra ChitnisIldar K. KhabibrakhmanovRichard D. LawrenceYan LiuPrem Melville
    • G06F17/30G06F17/00
    • G06F17/30864
    • A method for identifying companies with specific business objectives that includes using existing sources of company firmographic data to identify a broad set of companies and associated websites, crawling the websites associated with the identified companies and indexing web site content for each of the identified companies with the specific business objective to realize indexed web content. The method further includes joining the company firmographic data with the indexed web content using a business objective common identifier to generate a store of joined structured firmographic data and indexed web content and presenting a display image representation of the store of joined structured firmographic data and indexed web content for user review. The display image further receives user input to score each of said companies identified therein, and using a search interface, querying the store of scored, joined structured firmographic data and indexed web content. The method further includes augmenting the search interface, or search results from a query, with predictive, machine-leaning processes that allow rapid identification of companies possibly missed in the query.
    • 一种用于识别具有特定业务目标的公司的方法,其中包括使用公司隐性数据的现有来源来识别广泛的公司和相关网站,爬行与所识别的公司相关联的网站,并为每个被识别的公司索引网站内容 具体的业务目标来实现索引的Web内容。 该方法还包括使用业务目标公共标识符将公司隐含数据与索引的网页内容相加,以生成连接的结构化地图数据和索引的网页内容的存储,以及呈现连接的结构化地图数据和索引网的存储的显示图像表示 用户评论内容。 显示图像还接收用户输入,以对其中识别的每个所述公司进行评分,并使用搜索界面,查询记分,结合的结构化数据和索引的web内容的存储。 该方法还包括利用预测性机器倾斜过程增强搜索接口或来自查询的搜索结果,其允许快速识别可能在查询中遗漏的公司。
    • 87. 发明申请
    • DRM receiver and demodulation method
    • DRM接收机和解调方法
    • US20080292027A1
    • 2008-11-27
    • US12079953
    • 2008-03-28
    • Yan LiuHuazhong Yang
    • Yan LiuHuazhong Yang
    • H04L27/06
    • H04L27/265H04B1/0003
    • A Digitial Radio Mondiale (DRM) receiver and demodulation method includes a programmable downsampler and a programmable N-point Fast Fourier Transform (FFT) to recover and demodulate the OFDM symbols in a received DRM-encoded RF signal. The received signal is digitally sampled at a rate operably integer downsampled to achieve a number N samples in the useful portion of the OFDM symbol for input to an N-point FFT, where N equal to a power of two. The downsampling rate and size (N-points) of the FFT depend on the DRM encoding and transmission parameters, notably the robustness mode and spectrum occupancy. This reduces the processing/computational requirements and the design complexity of the DRM receiver.
    • 数字无线电广播(DRM)接收机和解调方法包括可编程下行采样器和可编程N点快速傅里叶变换(FFT),以便在接收的DRM编码RF信号中恢复和解调OFDM符号。 所接收的信号以可操作地整数下采样的速率进行数字采样,以在OFDM符号的有用部分中实现N个采样,以输入到N点FFT,其中N等于2的幂。 FFT的下采样率和大小(N点)取决于DRM编码和传输参数,特别是鲁棒性模式和频谱占用。 这降低了DRM接收机的处理/计算要求和设计复杂度。