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    • 1. 发明授权
    • Enhanced mode technique for growing mesh networks
    • 增强型网络网络的增强模式技术
    • US07215926B2
    • 2007-05-08
    • US10729808
    • 2003-12-05
    • Christopher J. CorbettAmer HassanSalim S. AbiEzziWarren V. Barkley
    • Christopher J. CorbettAmer HassanSalim S. AbiEzziWarren V. Barkley
    • H04B7/00
    • H04W24/02H04W84/22
    • A wireless device and method provides for adding nodes to a wireless mesh network by adjusting an antenna sensitivity pattern of one or more nodes in the wireless mesh network to exhibit spatial selectivity. The method transmits a query, and if a response is received within a predetermined time period, the wireless device receives the response and adds the responding wireless device to the mesh network. The wireless device can adjust the transmission pattern to enable the antenna sensitivity pattern to cover a predetermined spatial area, and the predetermined time period can be fixed. The wireless devices can adjust the antenna sensitivity pattern in a coordinated manner. A method for supporting data connections between three or more wireless devices includes adjusting the sensitivity pattern of an antenna on a first wireless device, communicating with a second wireless device, and further adjusting the sensitivity pattern of the antenna for more wireless devices.
    • 无线设备和方法通过调整无线网状网络中的一个或多个节点的天线灵敏度模式来呈现空间选择性来提供向无线网状网络添加节点。 该方法发送查询,并且如果在预定时间段内接收到响应,则无线设备接收响应并将响应的无线设备添加到网状网络。 无线设备可以调整传输模式以使得天线灵敏度模式能够覆盖预定的空间区域,并且可以固定预定时间段。 无线设备可以协调地调整天线灵敏度模式。 用于支持三个或更多个无线设备之间的数据连接的方法包括:调整第一无线设备上的天线的灵敏度模式,与第二无线设备通信,以及进一步调整用于更多无线设备的天线的灵敏度模式。
    • 3. 发明授权
    • Wireless online cryptographic key generation method
    • 无线在线加密密钥生成方法
    • US07421075B2
    • 2008-09-02
    • US10735992
    • 2003-12-15
    • Amer HassanChristopher J. Corbett
    • Amer HassanChristopher J. Corbett
    • H04K1/10
    • H04L27/0008H04L9/0841H04L2209/80
    • A system and method for wireless cryptographic key exchange among participants in a wireless computing network is presented. This allows the authorized participants in the wireless communication session not have the same key before the wireless computing session begins. This wireless online key exchange/generation is based on a random modulation technique and a domino match. Once the initial modulation scheme is selected, each data transmission includes an indication of what modulation scheme should be used for the next data transmission. If a given number of bits are to be used, the modulation scheme for the final transmission may be limited to complete the bit transfer. The bit value assignments within particular modulation schemes may also be varied for each subsequent transmission.
    • 提出了一种在无线计算网络中的参与者之间进行无线密码密钥交换的系统和方法。 这允许无线通信会话中的授权参与者在无线计算会话开始之前不具有相同的密钥。 这种无线在线密钥交换/生成基于随机调制技术和多米诺骨牌匹配。 一旦选择了初始调制方案,每个数据传输包括什么调制方案应用于下一次数据传输的指示。 如果要使用给定数量的比特,则可以限制用于最终传输的调制方案以完成比特传输。 特定调制方案中的比特值分配也可以针对每个随后的传输而变化。
    • 4. 发明授权
    • Channel reporting for television whitespace
    • 频道报道电视空白
    • US08938272B2
    • 2015-01-20
    • US13567093
    • 2012-08-06
    • Paul William GarnettAmer Hassan
    • Paul William GarnettAmer Hassan
    • H04B7/00
    • H04W72/0446H04W16/14H04W64/00H04W72/005H04W72/0453
    • Various technologies described herein pertain to providing spectrum utilization feedback from a whitespace device. A database query for a set of available channels in a spectrum (e.g., broadcast spectrum, etc.) during a time period can be transmitted from the whitespace device to a regulatory authorized database system. The database query includes data that specifies a set of channels used by the whitespace device during a previous time period prior to the time period. Responsive to the database query, a response can be received at the whitespace device from the regulatory authorized database. The response indicates the set of available channels in the spectrum during the time period, where the available channels are unassigned to licensees at a location of the whitespace device during the time period. Moreover, the whitespace device is configured to opportunistically communicate in the spectrum over one or more of the available channels.
    • 本文描述的各种技术涉及从空白设备提供频谱利用反馈。 可以从空白设备向监管授权的数据库系统发送在一段时间内在频谱中的一组可用信道(例如,广播频谱等)的数据库查询。 数据库查询包括指定空白设备在该时间段之前的之前时间段期间使用的一组信道的数据。 响应于数据库查询,可以从监管授权数据库在空白设备处接收到响应。 响应指示在该时间段期间频谱中可用信道的集合,其中可用信道在该时间段期间未分配给空白设备的位置处的许可证持有者。 此外,空白设备被配置为通过一个或多个可用信道在频谱中机会地进行通信。
    • 7. 发明申请
    • OFDMA based on cognitive radio
    • OFDMA基于认知无线电
    • US20070248173A1
    • 2007-10-25
    • US11410969
    • 2006-04-25
    • Amer HassanChristian Huitema
    • Amer HassanChristian Huitema
    • H04L27/28H04K1/10
    • H04L5/0007H04L5/0037H04L5/006H04L5/0064
    • A multiuser scheme allowing for a number of users, sets of user, or carriers to share one or more channels is provided. In the invention, the available channel bandwidth is subdivided into a number of equal-bandwidth subchannels according to standard OFDM practice. The transmitter is informed by an application that it needs to transmit data a particular rate. The transmitter determines the minimum number of subchannels and maximum energy (or noise) threshold for each subchannel necessary to achieve that data rate and selects a set of subchannels matching those requirements. The subchannels need not be contiguous in the spectrum or belong to the same channel. Once the transmitter has selected the required number of subchannels, it begins transmitting simultaneously on those subchannels across the entire bandwidth used by those subchannels.
    • 提供允许多个用户,一组用户或运营商共享一个或多个信道的多用户方案。 在本发明中,可用信道带宽根据标准OFDM实践被细分为多个等带宽子信道。 发射机被应用程序通知它需要以特定速率传输数据。 发射机确定实现该数据速率所需的每个子信道的子信道的最小数目和最大能量(或噪声)阈值,并选择一组符合这些要求的子信道。 子信道不需要在频谱中是连续的或属于同一信道。 一旦发射机选择了所需数量的子信道,它将在这些子信道使用的整个带宽上在这些子信道上同时开始传输。
    • 9. 发明申请
    • Modularly constructing a software defined radio
    • 模块化地构建软件定义的无线电
    • US20070078924A1
    • 2007-04-05
    • US11239945
    • 2005-09-30
    • Amer HassanChristian HuitemaVishesh Parikh
    • Amer HassanChristian HuitemaVishesh Parikh
    • G06F12/00G06F15/16
    • H04B1/0003G06F21/125G06F2221/2111H04B1/406H04L63/0428H04L63/10H04L2463/101
    • Systems and methods are provided for modularly constructing a software defined radio (“SDR”). Given an SDR kernel (i.e., a potentially platform-neutral definition of digital signal processing functionality and control operations necessary to implement the core portion of a software defined radio implementing a particular radio standard), an optional description of governmental regulations for a particular locality, and an interface harness providing the necessary components for interfacing to specific communication channels and devices (including SDR hardware components), an SDR factory component performs a process of constructing an SDR software component for implementing a particular radio standard on a particular host. The SDR software component may additionally construct components which restrict the operation of the resulting SDR software component. The SDR kernel may be protected by one or more digital rights management (“DRM”) policies which may be enforced both at the time the SDR software component is constructed and while it is operating.
    • 提供了用于模块化构建软件定义无线电(“SDR”)的系统和方法。 给定SDR内核(即,实现特定无线电标准的软件定义无线电的核心部分所需的数字信号处理功能和控制操作的潜在平台中立定义),对特定地点的政府法规的可选描述, 以及提供用于与特定通信信道和设备(包括SDR硬件组件)接口的必要组件的接口线束,SDR工厂组件执行构建用于在特定主机上实现特定无线电标准的SDR软件组件的过程。 SDR软件组件可以另外构造限制所得到的SDR软件组件的操作的组件。 SDR内核可能受到一个或多个数字版权管理(“DRM”)策略的保护,这些策略可以在构建SDR软件组件时和在运行时都被执行。