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    Radio system having distributed real-time processing
    1.
    发明授权
    Radio system having distributed real-time processing 失效

    公开(公告)号：US07606594B2

    公开(公告)日：2009-10-20

    申请号：US10373626

    申请日：2003-02-24

    申请人： Mary Jesse ,  Elliott Hoole ,  Robert G. Mechaley, Jr. ,  Greg Veintimilla

    发明人： Mary Jesse ,  Elliott Hoole ,  Robert G. Mechaley, Jr. ,  Greg Veintimilla

    IPC分类号： H04M1/00

    CPC分类号： H04W84/04 ,  H04L12/189 ,  H04W88/085 ,  H04W88/14

    摘要： A distributed radio system is disclosed. Transmit and receive packets of data are transported over a relatively high-speed multiplexed network, which in one embodiment may be an Ethernet network. The distributed radio system comprises in one embodiment a centrally-located network-level processing unit connected via network connections to one or more intermediate-level processing units. The intermediate-level processing units may be distributed throughout the coverage area. The processing units perform digital signal processing, as well as higher level processing such as signal routing, speech transcoding and proper interfacing to external environments, such as a macrocellular environment. Radio elements are provided that are accurately timed or synchronized, such that the radio elements have their own time base to ensure proper transmission, even when unpredictable network delays occur.

    Radio system having distributed real-time processing
    2.
    发明申请
    Radio system having distributed real-time processing 审中-公开
    无线电系统具有分布式实时处理

    公开(公告)号：US20090325636A1

    公开(公告)日：2009-12-31

    申请号：US12584348

    申请日：2009-09-02

    申请人： Mary Jesse ,  Elliott Hoole ,  Robert G. Mechaley, JR. ,  Greg Veintimilla

    发明人： Mary Jesse ,  Elliott Hoole ,  Robert G. Mechaley, JR. ,  Greg Veintimilla

    IPC分类号： H04M1/00

    CPC分类号： H04W84/04 ,  H04L12/189 ,  H04W88/085 ,  H04W88/14

    摘要： A distributed radio system is disclosed. Transmit and receive packets of data are transported over a relatively high-speed multiplexed network, which in one embodiment may be an Ethernet network. The distributed radio system comprises in one embodiment a centrally-located network-level processing unit connected via network connections to one or more intermediate-level processing units. The intermediate-level processing units may be distributed throughout the coverage area. The processing units perform digital signal processing, as well as higher level processing such as signal routing, speech transcoding and proper interfacing to external environments, such as a macrocellular environment. Radio elements are provided that are accurately timed or synchronized, such that the radio elements have their own time base to ensure proper transmission, even when unpredictable network delays occur.

    摘要翻译： 公开了一种分布式无线电系统。 发送和接收数据包通过相对高速的多路复用网络传送，在一个实施例中可以是以太网。 分布式无线电系统在一个实施例中包括通过网络连接连接到一个或多个中间级处理单元的位于中心的网络级处理单元。 中间级处理单元可以分布在整个覆盖区域。 处理单元执行数字信号处理，以及诸如信号路由，语音转码以及诸如宏蜂窝环境的外部环境的适当接口的更高级处理。 提供精确定时或同步的无线电元件，使得无线电元件具有其自己的时间基准以确保正确的传输，即使在发生不可预测的网络延迟时。

    Method of polling second stations for functional quality and maintenance data in a discrete multitone spread spectrum communications system
    4.
    发明授权
    Method of polling second stations for functional quality and maintenance data in a discrete multitone spread spectrum communications system 失效
    在离散多音频扩频通信系统中轮询第二站功能质量和维护数据的方法

    公开(公告)号：US06480522B1

    公开(公告)日：2002-11-12

    申请号：US09723338

    申请日：2000-11-28

    申请人： Elliott Hoole ,  Mary Jesse ,  Robert G. Mechaley, Jr. ,  David James Ryan ,  David Stephenson

    发明人： Elliott Hoole ,  Mary Jesse ,  Robert G. Mechaley, Jr. ,  David James Ryan ,  David Stephenson

    IPC分类号： A61F206

    CPC分类号： H04B1/69 ,  H04B1/692 ,  H04B1/707 ,  H04B1/7107 ,  H04B7/04 ,  H04B2201/70702 ,  H04L5/0021 ,  H04L5/0026 ,  H04L5/0048 ,  H04L5/026 ,  H04L25/0228 ,  H04L25/03019 ,  H04L27/186 ,  H04L27/3416 ,  H04L2025/03414 ,  H04L2025/03426 ,  H04W16/14 ,  H04W88/08

    摘要： A discrete multitone stacked-carrier spread spectrum communication method is based on frequency domain spreading including multiplication of a baseband signal by a set of superimposed, or stacked, complex sinusoid carrier waves. In a preferred embodiment, the spreading involves energizing the bins of a large Fast Fourier transform (FFT). This provides a considerable savings in computational complexity for moderate output FFT sizes. Point-to-multipoint and multipoint-to-multipoint (nodeless) network topologies are possible. A code-nulling method is included for interference cancellation and enhanced signal separation by exploiting the spectral diversity of the various sources. The basic method may be extended to include multielement antenna array nulling methods for interference cancellation and enhanced signal separation using spatial separation. Such methods permit directive and retrodirective transmission systems that adapt or can be adapted to the radio environment. Such systems are compatible with bandwidth-on-demand and higher-order modulation formats and use advanced adaptation algorithms. In a specific embodiment the spectral and spatial components of the adaptive weights are calculated in a unified operation based on the mathematical analogy between the spectral and spatial descriptions of the airlink.

    摘要翻译： 离散多媒体叠层载波扩频通信方法是基于频域扩展，包括基带信号乘以叠加的或叠加的复数正弦波载波的集合。 在优选实施例中，扩展涉及激励大的快速傅立叶变换（FFT）的信息仓。 这为中等输出FFT大小节省了大量的计算复杂度。 点对多点和多点到多点（无节点）网络拓扑是可能的。 通过利用各种光源的光谱多样性，可以包括一个代码归零方法用于干扰消除和增强的信号分离。 基本方法可以扩展为包括用于干扰消除的多元天线阵列归零方法和使用空间分离的增强信号分离。 这种方法允许适应或可以适应于无线电环境的指导和逆向传输系统。 这样的系统与带宽按需和高阶调制格式兼容，并且使用高级适配算法。 在具体实施例中，基于空中链路的频谱和空间描述之间的数学类比，以统一的操作来计算自适应权重的频谱和空间分量。

    Distributed radio system with multiple transceivers for simulcasting and selective processing of received signals
    8.
    发明授权
    Distributed radio system with multiple transceivers for simulcasting and selective processing of received signals 有权
    具有多个收发器的分布式无线电系统，用于同步接收和选择处理接收到的信号

    公开(公告)号：US06778518B2

    公开(公告)日：2004-08-17

    申请号：US10197320

    申请日：2002-07-16

    申请人： Mary Jesse ,  Jari Heinonen ,  Elliott Hoole ,  Brian Schladetzky ,  Greg Veintimilla

    发明人： Mary Jesse ,  Jari Heinonen ,  Elliott Hoole ,  Brian Schladetzky ,  Greg Veintimilla

    IPC分类号： H04Q724

    CPC分类号： H04W99/00 ,  H04W4/06 ,  H04W16/14 ,  H04W52/0203 ,  H04W84/00 ,  Y02D70/164

    摘要： A distributed radio system with multiple transceivers for simulcasting and selective processing of received signals is provided. The distributed radio system includes a plurality of processing elements and radio frequency transmitter elements interconnected by an Ethernet network. The system designates a number of radio frequency transmitter elements to be elements of a radio frequency simulcast set. The system utilizes relatively few frequency channels, and transmits at very low power levels, and thus causes minimal interference with an existing macrocellular environment. When signals transmitted from a mobile unit are detected by multiple radio receivers, the system is able to select a desired radio receiver signal for processing. When selecting a received signal for processing, the system utilizes a distributed processing technique that performs the selection process throughout several levels. The distributed processing utilized by the selection process may be synchronized. A selection time window may be utilized for making the selection process for the upstream-received data traffic. The system utilizes a centralized data link layer. Transmissions are implemented by a two-level multicast technique. The data transmission traffic is bundled. Selective management of the Ethernet switches is performed by the system.

    摘要翻译： 提供了具有用于同时广播和选择性处理接收信号的多个收发器的分布式无线电系统。 分布式无线电系统包括由以太网网络互联的多个处理元件和射频发射器元件。 该系统将多个射频发射机元件指定为射频同播集合的元件。 该系统利用相对较少的频率信道，并以非常低的功率电平发射，从而对现有的宏观环境产生最小的干扰。 当通过多个无线电接收机检测从移动单元发送的信号时，系统能够选择所需的无线电接收机信号进行处理。 当选择接收到的信号进行处理时，系统利用分布式处理技术，其在多个层次中执行选择过程。 选择过程所利用的分布式处理可以被同步。 可以使用选择时间窗口来进行上游接收数据业务的选择过程。 该系统利用集中的数据链路层。 传输是通过两级多播技术实现的。 数据传输流量被捆绑。 以太网交换机的选择性管理由系统执行。