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11. 发明申请

US20070253714A1 Optical Communication System for Wireless Radio Signals 审中-公开
标题翻译：无线射频信号光通信系统
公开(公告)号：US20070253714A1
公开(公告)日：2007-11-01
申请号：US10538713
申请日：2003-12-12
申请人： Alwyn Seeds , David Wake , Richard Penty , Matthew Webster , Peter Hartmann , Ian White
发明人： Alwyn Seeds , David Wake , Richard Penty , Matthew Webster , Peter Hartmann , Ian White
IPC分类号： H04B10/00
CPC分类号： H04B10/2575 , H04B10/25752 , H04B10/2581
摘要： A method of transmission of radio signals over all types of graded-index multimode fibre is provided. The method comprises launching optical radiation into the core of the multimode fibre away from the centre of the core so as to strongly excite a subset of the available modes of the multimode fibre. The subset of modes excited are within a small number of mode groups and thus have similar propagation constants leading to a reduction in modal dispersion and modal interference and smoothing of the frequency response passband region beyond the fibres specified 3 dB base band bandwidth assisting RF transmission and recovery from this region.
摘要翻译：提供了一种在所有类型的渐变折射率多模光纤上传输无线电信号的方法。该方法包括将光辐射发射到远离芯的中心的多模光纤的核心中，以便强烈地激发多模光纤的可用模式的子集。激发的模式子集在少数模式组内，因此具有相似的传播常数，导致模式色散和模态干扰的减少以及超出光纤的频率响应通带区域的平滑，指定了支持RF传输的3dB基带带宽，从这个地区恢复。

12. 发明申请

US20050226625A1 Optical fiber communications method and system without a remote electrical power supply 有权
标题翻译：光纤通信方式和系统没有远程电源
公开(公告)号：US20050226625A1
公开(公告)日：2005-10-13
申请号：US10821590
申请日：2004-04-09
申请人： David Wake , Matthew Webster
发明人： David Wake , Matthew Webster
IPC分类号： H04B10/00 , H04B10/12 , H04W88/08
CPC分类号： H04B10/25753 , H04B10/806 , H04W88/085
摘要： The present invention allows remote antenna units for radio frequency signal transmission and receipt to operate without the requirement for remote electrical power supplies or for connecting cables that incorporate electrical conductors. According to an aspect of the present invention, an optical communications system employing radio frequency signals comprises a central unit; at least one remote unit having at least one optoelectronic transducer for converting optical data signals to radio frequency signals and converting radio signals to optical signals and at least one antenna to receive and send radio frequency signals; at least one optical fiber data link between the central unit and the remote unit for transmitting optical data signals therebetween; and at least one optical fiber power link between the central unit and the remote unit for providing electrical power at the remote unit.
摘要翻译：本发明允许用于无线电频率信号传输和接收的远程天线单元在不需要远程电力供应或用于连接结合电导体的电缆的情况下操作。根据本发明的一个方面，采用射频信号的光通信系统包括中央单元; 至少一个远程单元，具有至少一个光电转换器，用于将光数据信号转换成射频信号，并将无线电信号转换为光信号;以及至少一个天线，用于接收和发射射频信号; 中央单元和远程单元之间的至少一个光纤数据链路，用于在它们之间传输光学数据信号; 以及在中央单元和远程单元之间的至少一个光纤功率链路，用于在远程单元处提供电力。

13. 发明申请

US20050097534A1 Method and apparatus for activating/deactivating run-time determined software routines in Java compiled bytecode applications 有权
标题翻译：用于在Java编译的字节码应用程序中激活/停用运行时确定的软件例程的方法和装置
公开(公告)号：US20050097534A1
公开(公告)日：2005-05-05
申请号：US10860412
申请日：2004-06-03
申请人： Andrew Clement , Matthew Webster
发明人： Andrew Clement , Matthew Webster
IPC分类号： G06F9/45
CPC分类号： G06F8/443 , G06F9/45516
摘要： The invention concerns the use of a Java JIT compiler to change the status of run-time determined software routines between being activated and deactivated in an application program. Conditional statements which are used at run-time to determine whether such a routine has been activated or deactivated are presented as discrete conditions that always evaluate to a known result by using an invariant flag in the compiled bytecode. The JIT compiler optimises an application program by excluding discrete condition checks. Consequently, if the branch of the discrete condition that will never execute includes a run-time determined software routine, then the routine will be excluded from the JIT compilation and will not form part of the JIT compiled native machine code. A run-time class or code replacement facility is used as a means of activating or deactivating a run-time determined software routine at run-time by changing the value of the invariant flag of said routine. Such a facility is provided by Sun Microsystems' Java programming language HotSwap class file replacement feature of its Java Platform Debugger Architecture (JPDA). International Business Machines (IBM) also provides a similar functionality called “Hot Code Replace” (HCR) for its “J9” JVM platform.
摘要翻译：本发明涉及使用Java JIT编译器来在应用程序中激活和去激活之间改变运行时确定的软件例程的状态。在运行时使用的条件语句用于确定这样一个例程是否被激活或被禁用，这些条件语句是通过在编译的字节码中使用不变标记来总是评估已知结果的离散条件。 JIT编译器通过排除离散条件检查来优化应用程序。因此，如果不会执行的离散条件的分支包括运行时确定的软件例程，则该例程将从JIT编译中排除，并且不会构成JIT编译的本地机器代码的一部分。使用运行时类或代码替换设备作为通过改变所述例程的不变标志的值来在运行时激活或停用运行时确定的软件例程的手段。这样的设施由Sun Microsystems的Java编程语言JavaSSL平台调试器架构（JPDA）的HotSwap类文件替换功能提供。国际商业机器（IBM）还为其“J9”JVM平台提供了类似的“热代码替换”（HCR）功能。

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