公开(公告)号：US07643536B2

公开(公告)日：2010-01-05

申请号：US10915576

申请日：2004-08-10

申请人： Timothy Michael Schaefer ,  Jonathan Darrel Coker ,  Rick Allen Philpott ,  Edward Brian Welch ,  David R. Holmes, III

发明人： Timothy Michael Schaefer ,  Jonathan Darrel Coker ,  Rick Allen Philpott ,  Edward Brian Welch ,  David R. Holmes, III

IPC分类号： H04B1/00

CPC分类号： H04B1/707 ,  H04J13/16

摘要： A system provides for remote monitoring using asynchronous code division multiple access (CDMA) communication techniques between a base station and one or more transponders. Each transponder is attached or otherwise associated with an object or an environment to be monitored. Upon receipt of an interrogation signal, a transponder generates and transmits a coded transponder signal containing the monitored data. The coded transponder signal is generated using a spreading code. Each transponder is associated with a unique, mutually exclusive set of spreading codes. Each spreading code is based on a unique transponder address and the monitored data to be sent. A detector asynchronously monitors received signals for any of the available spreading codes. Once the detector detects a particular spreading code, the base station can identify the source transponder and extract the monitored data.

摘要翻译： 一种系统提供了在基站和一个或多个转发器之间使用异步码分多址（CDMA）通信技术的远程监控。 每个应答器被连接或以其他方式与要监视的对象或环境相关联。 在接收到询问信号时，应答器产生并发送包含监视数据的编码的应答器信号。 使用扩展码产生编码的应答器信号。 每个转发器与唯一的，相互排斥的扩展码组相关联。 每个扩展码基于唯一的应答器地址和要发送的监视数据。 检测器异步监视任何可用扩展码的接收信号。 一旦检测器检测到特定的扩展码，基站可以识别源应答器并提取监视的数据。

公开(公告)号：US07830948B2

公开(公告)日：2010-11-09

申请号：US12622539

申请日：2009-11-20

申请人： Timothy Michael Schaefer ,  Jonathan Darrel Coker ,  Rick Allen Philpott ,  Edward Brian Welch ,  David R. Holmes, III

发明人： Timothy Michael Schaefer ,  Jonathan Darrel Coker ,  Rick Allen Philpott ,  Edward Brian Welch ,  David R. Holmes, III

IPC分类号： H04L27/30

CPC分类号： H04B1/707 ,  H04J13/16

摘要： A system provides for remote monitoring using asynchronous code division multiple access (CDMA) communication techniques between a base station and one or more transponders. Each transponder is attached or otherwise associated with an object or an environment to be monitored. Upon receipt of an interrogation signal, a transponder generates and transmits a coded transponder signal containing the monitored data. The coded transponder signal is generated using a spreading code. Each transponder is associated with a unique, mutually exclusive set of spreading codes. Each spreading code is based on a unique transponder address and the monitored data to be sent. A detector asynchronously monitors received signals for any of the available spreading codes. Once the detector detects a particular spreading code, the base station can identify the source transponder and extract the monitored data.

摘要翻译： 一种系统提供了在基站和一个或多个转发器之间使用异步码分多址（CDMA）通信技术的远程监控。 每个应答器被连接或以其他方式与要监视的对象或环境相关联。 在接收到询问信号时，应答器产生并发送包含监视数据的编码的应答器信号。 使用扩展码产生编码的应答器信号。 每个转发器与唯一的，相互排斥的扩展码组相关联。 每个扩展码基于唯一的应答器地址和要发送的监视数据。 检测器异步监视任何可用扩展码的接收信号。 一旦检测器检测到特定的扩展码，基站可以识别源应答器并提取监视的数据。

公开(公告)号：US20100066506A1

公开(公告)日：2010-03-18

申请号：US12622539

申请日：2009-11-20

申请人： Timothy Michael Schaefer ,  Jonathan Darrel Coker ,  Rick Allen Philpott ,  Edward Brian Welch ,  David R. Holmes, III

发明人： Timothy Michael Schaefer ,  Jonathan Darrel Coker ,  Rick Allen Philpott ,  Edward Brian Welch ,  David R. Holmes, III

IPC分类号： H04Q5/22 ,  H04B1/707

CPC分类号： H04B1/707 ,  H04J13/16

摘要： A system provides for remote monitoring using asynchronous code division multiple access (CDMA) communication techniques between a base station and one or more transponders. Each transponder is attached or otherwise associated with an object or an environment to be monitored. Upon receipt of an interrogation signal, a transponder generates and transmits a coded transponder signal containing the monitored data. The coded transponder signal is generated using a spreading code. Each transponder is associated with a unique, mutually exclusive set of spreading codes. Each spreading code is based on a unique transponder address and the monitored data to be sent. A detector asynchronously monitors received signals for any of the available spreading codes. Once the detector detects a particular spreading code, the base station can identify the source transponder and extract the monitored data.

摘要翻译： 一种系统提供了在基站和一个或多个转发器之间使用异步码分多址（CDMA）通信技术的远程监控。 每个应答器被连接或以其他方式与要监视的对象或环境相关联。 在接收到询问信号时，应答器产生并发送包含监视数据的编码的应答器信号。 使用扩展码产生编码的应答器信号。 每个转发器与唯一的，相互排斥的扩展码组相关联。 每个扩展码基于唯一的应答器地址和要发送的监视数据。 检测器异步监视任何可用扩展码的接收信号。 一旦检测器检测到特定的扩展码，基站可以识别源应答器并提取监视的数据。