公开(公告)号：US20060089099A1

公开(公告)日：2006-04-27

申请号：US10973529

申请日：2004-10-26

申请人： Gregory Buchwald ,  Lawrence Ecklund ,  Steven Gillig ,  Stephen Kuffner ,  S. Silk

发明人： Gregory Buchwald ,  Lawrence Ecklund ,  Steven Gillig ,  Stephen Kuffner ,  S. Silk

IPC分类号： H04B7/00

CPC分类号： H04W74/00 ,  H04W16/14 ,  H04W48/16 ,  H04W72/02

摘要： A method and apparatus for allowing communication units to utilize non-licensed spectrum is provided herein. In particular, when a radio determines a need to transmit within non-licensed spectrum, the radio searches for a beacon being transmitted. The beacon identifies a priority of the current user of the non-licensed spectrum. If the radio's priority is higher than the current user of the non-licensed spectrum, or if no beacon is heard, the radio may begin transmitting within the non-licensed spectrum. As part of the radio's transmission, a beacon will be broadcast by the radio identifying the radio's priority.

摘要翻译： 本文提供了允许通信单元利用未授权频谱的方​​法和装置。 特别地，当无线电确定在非许可频谱内发送的需要时，无线电装置搜索正被发送的信标。 该信标标识未授权频谱的当前用户的优先级。 如果无线电的优先级高于非许可频谱的当前用户，或者如果没有听到信标，则无线电可以在非许可频谱内开始传输。 作为无线电传输的一部分，将通过收音机广播识别无线电优先级的信标。

公开(公告)号：US20060088010A1

公开(公告)日：2006-04-27

申请号：US10973530

申请日：2004-10-26

申请人： Gregory Buchwald ,  Lawrence Ecklund ,  Richard Rachwalski ,  S. Silk ,  Stephen Kuffner

发明人： Gregory Buchwald ,  Lawrence Ecklund ,  Richard Rachwalski ,  S. Silk ,  Stephen Kuffner

IPC分类号： H04Q7/24

CPC分类号： H04W16/14 ,  H04H20/42

摘要： The presence of the non-television transmission within a channel is used to indicate that secondary non-licensed usage of the channel is permitted. Specifically, if secondary users incorporate the means to identify the unique modulation signature of the secondary user, decoding of a beacon signal may not be necessary. With the above in mind, a radio will be prevented from transmitting within a frequency band when no transmission within the licensed spectrum is currently taking place; the licensee is currently transmitting on the spectrum (e.g., television transmissions are taking place utilizing the spectrum, or the radio cannot sense the presence of a data channel (beacon).

摘要翻译： 通道内的非电视传输的存在被用于指示允许频道的次要非许可使用。 具体地，如果次要用户结合用于识别次要用户的唯一调制签名的方法，则信标信号的解码可能不是必需的。 考虑到上述情况，当没有在许可频谱内的传输当前正在发生时，无线电将被阻止在频带内传输; 被许可人目前正在频谱上进行传输（例如，利用频谱进行电视传输，或无线电无法感知数据信道（信标）的存在。

公开(公告)号：US20070264952A1

公开(公告)日：2007-11-15

申请号：US11382957

申请日：2006-05-12

申请人： Gregory Buchwald ,  Lawrence Ecklund ,  Stephen Kuffner

发明人： Gregory Buchwald ,  Lawrence Ecklund ,  Stephen Kuffner

IPC分类号： H04B7/00 ,  H04B1/18

CPC分类号： H04W48/02 ,  H04B17/27 ,  H04W52/146 ,  H04W52/245 ,  H04W52/246

摘要： A cluster management module will receive a transmission from a subscriber module and estimate a range for a subscriber module based on the received transmission. A receive power for the transmission will be obtained and a transmit power for the subscriber module will be determined based on the range of the subscriber module and the receive power of the transmission. Network access will be allowed or denied based on the transmit power of the subscriber module. In a second embodiment, an azimuth angle is additionally determined from the received transmission, and an approximate location of the subscriber module is determined. Network access is then allowed or denied based on the transmit power of the subscriber module and additionally based on the location of the subscriber module.

摘要翻译： 集群管理模块将从订户模块接收传输，并基于所接收的传输估计用户模块的范围。 将获得用于传输的接收功率，并且将基于用户模块的范围和传输的接收功率来确定用户模块的发射功率。 基于用户模块的发射功率将允许或拒绝网络接入。 在第二实施例中，从接收到的传输中另外确定方位角，并确定用户模块的大致位置。 然后基于用户模块的发射功率，并且还基于用户模块的位置，允许或拒绝网络接入。

公开(公告)号：US4903329A

公开(公告)日：1990-02-20

申请号：US61757

申请日：1987-06-15

申请人： Charles J. Marik ,  Lawrence Ecklund

发明人： Charles J. Marik ,  Lawrence Ecklund

IPC分类号： H04H1/00 ,  H04H20/49

CPC分类号： H04H20/49

摘要： An AM Stereo receiver is described which includes an AGC having an output which indicates whether the received signal has significantly decreased in level and having a clamping circuit for controlling the voltage at the input of a VCO. The clamping circuit is further defined as having a window detector for sensing a change in the voltage at the input of the VCO according to a predetermined threshold; a selectable controller, responsive to the window detector, for adjusting the voltage at the input of the VCO; and a window reduction circuit, responsive to the output signal of the AGC, for altering the predetermined threshold to provide the controller with a more sensitive indication of a drift in the voltage at the input of the VCO. The receiver additionally includes a conventional locked loop driver for steering the VCO according to the phase of the received input signal. When the AGC output signal indicates that the signal quality of the received signal has significantly decreased in level, or when the window detector indicates that the system is tuned outside of an established narrow "tuned" window, the locked loop driver is disabled to prevent the locked loop driver from introducing a beat note into the VCO.

摘要翻译： 描述了AM立体声接收机，其包括具有指示接收信号是否显着降低的输出的AGC，并具有用于控制VCO输入端的电压的钳位电路。 钳位电路还被定义为具有窗口检测器，用于根据预定阈值感测VCO输入端处的电压变化; 响应于所述窗口检测器的可选择控制器，用于调节所述VCO的输入处的电压; 以及响应于AGC的输出信号的窗口缩小电路，用于改变预定阈值，以向控制器提供在VCO的输入处的电压漂移的更灵敏的指示。 接收器另外包括用于根据接收到的输入信号的相位转向VCO的常规锁定环路驱动器。 当AGC输出信号指示接收信号的信号质量水平显着降低时，或者当窗口检测器指示系统被调谐到建立的窄“调谐”窗口之外时，禁止锁定环路驱动器以防止 锁定环路驱动器将音节引入VCO。