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公开(公告)号：US07755541B2
公开(公告)日：2010-07-13
申请号：US12028894
申请日：2008-02-11
摘要： A location system for tracking assets within a terminal includes a Differential Global Positioning System (DGPS) reference receiver within the terminal that receives GPS signals and generates DGPS correction data. In one aspect, a roving receiver unit is carried by an asset to be tracked within the terminal. It includes a GPS receiver that receives GPS signals and the DGPS correction data from the DGPS reference receiver. A tag transmitter transmits a wireless RF signal containing GPS location data based on received GPS signals and DGPS correction data. At least one access point is positioned within the terminal for receiving the wireless RF signal from the tag transmitter. A processor is operatively connected to the at least one access point for receiving GPS location data and determining a location of the asset to be tracked.
摘要翻译： 用于跟踪终端内的资产的定位系统包括终端内的差分全球定位系统（DGPS）参考接收机，其接收GPS信号并产生DGPS校正数据。 在一个方面，粗纱接收机单元由在终端内跟踪的资产携带。 它包括GPS接收器，其接收来自DGPS参考接收机的GPS信号和DGPS校正数据。 标签发送器基于接收到的GPS信号和DGPS校正数据发送包含GPS位置数据的无线RF信号。 至少一个接入点位于终端内，用于从标签发射器接收无线RF信号。 处理器可操作地连接到所述至少一个接入点，用于接收GPS位置数据并确定要跟踪的资产的位置。
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公开(公告)号：US20080191937A1
公开(公告)日：2008-08-14
申请号：US12028894
申请日：2008-02-11
IPC分类号： G01S5/14
摘要： A location system for tracking assets within a terminal includes a Differential Global Positioning System (DGPS) reference receiver within the terminal that receives GPS signals and generates DGPS correction data. In one aspect, a roving receiver unit is carried by an asset to be tracked within the terminal. It includes a GPS receiver that receives GPS signals and the DGPS correction data from the DGPS reference receiver. A tag transmitter transmits a wireless RF signal containing GPS location data based on received GPS signals and DGPS correction data. At least one access point is positioned within the terminal for receiving the wireless RF signal from the tag transmitter. A processor is operatively connected to the at least one access point for receiving GPS location data and determining a location of the asset to be tracked.
摘要翻译： 用于跟踪终端内的资产的位置系统包括终端内的差分全球定位系统（DGPS）参考接收机，其接收GPS信号并产生DGPS校正数据。 在一个方面，粗纱接收机单元由在终端内跟踪的资产携带。 它包括GPS接收器，其接收来自DGPS参考接收机的GPS信号和DGPS校正数据。 标签发送器基于接收到的GPS信号和DGPS校正数据发送包含GPS位置数据的无线RF信号。 至少一个接入点位于终端内，用于从标签发射器接收无线RF信号。 处理器可操作地连接到所述至少一个接入点，用于接收GPS位置数据并确定要跟踪的资产的位置。
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公开(公告)号：US09880283B2
公开(公告)日：2018-01-30
申请号：US12169742
申请日：2008-07-09
摘要： A system is provided for tracking an asset within a geographic area. The system includes an antenna mast supportable by, and extending upward from, an object configured to move or facilitate movement of the asset. The antenna mast is capable of supporting a plurality of wireless locating units of a plurality of geo-spatial positioning systems, which are configured to locate a respective one or more locating units, and thereby the asset, within the geographic area. The system also includes a controller positionable on the object and configured to control operation of the wireless locating units. The controller is further configured to direct transmission of data to a host via one of the locating units or another wireless transmitter, and in a manner that accounts for a wireless link between the respective locating unit or other wireless transmitter and the host.
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公开(公告)号：US20080266131A1
公开(公告)日：2008-10-30
申请号：US12169742
申请日：2008-07-09
IPC分类号： G08B5/22
摘要： A system is provided for tracking an asset within a geographic area. The system includes an antenna mast supportable by, and extending upward from, an object configured to move or facilitate movement of the asset. The antenna mast is capable of supporting a plurality of wireless locating units of a plurality of geo-spatial positioning systems, which are configured to locate a respective one or more locating units, and thereby the asset, within the geographic area. The system also includes a controller positionable on the object and configured to control operation of the wireless locating units. The controller is further configured to direct transmission of data to a host via one of the locating units or another wireless transmitter, and in a manner that accounts for a wireless link between the respective locating unit or other wireless transmitter and the host.
摘要翻译： 提供了用于跟踪地理区域内的资产的系统。 该系统包括可被配置为移动或促进资产的移动的物体支撑并向上延伸的天线桅杆。 天线桅杆能够支持多个地理 - 空间定位系统的多个无线定位单元，其被配置为在地理区域内定位相应的一个或多个定位单元，从而定位该资产。 该系统还包括可定位在对象上并被配置为控制无线定位单元的操作的控制器。 所述控制器还被配置成通过所述定位单元或另一无线发射机中的一个将所述数据直接传送到主机，并且以考虑到相应定位单元或其他无线发射机与所述主机之间的无线链路的方式。
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公开(公告)号：US07212563B2
公开(公告)日：2007-05-01
申请号：US10138795
申请日：2002-05-03
IPC分类号： H04B1/00
CPC分类号： G01S5/0221 , G01S5/02 , G01S5/0226 , H04B1/7075 , H04B2201/70715
摘要： A location system includes a plurality of signal readers for receiving signals from a wireless transmitter to be located. The signals include a wideband, spread spectrum signal and a timing marker appended a predetermined time in front of the wideband, spread spectrum signal for indicating the presence of the wideband, spread spectrum signal. A location processor is operatively coupled to the signal readers for detecting the timing markers of signals and responsive to a detection of a timing marker, correlating a signal as a first-to-arrive signal and conducting differentiation of first-to-arrive signals to locate a wireless transmitter.
摘要翻译： 位置系统包括用于从要定位的无线发射机接收信号的多个信号读取器。 信号包括宽带扩频信号和附加在用于指示宽带扩频信号的存在的宽带扩频信号前面的预定时间的定时标记。 位置处理器可操作地耦合到信号读取器，用于检测信号的定时标记并且响应于定时标记的检测，将信号作为第一到到信号进行相关，并且对第一到到达信号进行区分以定位 无线发射机。
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6.发明申请Method, Apparatus, and Computer Program Product for Wireless Signal Storage With Signal Recognition Detection Triggering 有权用于信号识别检测触发的无线信号存储的方法，装置和计算机程序产品公开(公告)号：US20110211453A1
公开(公告)日：2011-09-01
申请号：US12874960
申请日：2010-09-02
IPC分类号： H04W24/00
CPC分类号： G01S5/02 , G01S5/0009
摘要： Various methods for wireless signal storage with signal recognition detection triggering are provided. One method may include receiving a plurality of wireless signals via a plurality of frequency channels, storing representations of the plurality of wireless signals in a signal buffer, and receiving a trigger request for a signal of interest. In this regard, the trigger request may have been generated based on an analysis of at least one wireless signal within the plurality of wireless signals to thereby identify the signal of interest. The method may also include retrieving a representation of the signal of interest from the signal buffer based on the trigger request, and analyzing the retrieved representation of the signal of interest with associated signal characteristics to determine a location of a source of the signal of interest. Similar apparatuses and computer program products are also provided.
摘要翻译： 提供了具有信号识别检测触发的无线信号存储的各种方法。 一种方法可以包括经由多个频率信道接收多个无线信号，将多个无线信号的表示存储在信号缓冲器中，以及接收对感兴趣的信号的触发请求。 在这方面，可以基于对多个无线信号中的至少一个无线信号的分析来生成触发请求，从而识别感兴趣的信号。 该方法还可以包括基于触发请求从信号缓冲器中检索感兴趣的信号的表示，以及用相关联的信号特征来分析检索到的感兴趣的信号的表示以确定感兴趣信号的源的位置。 还提供了类似的装置和计算机程序产品。
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7.发明授权Wireless local area network system and receiver adapted for use thereof and associated method 有权适用于其的无线局域网系统和接收机及相关方法公开(公告)号：US09362976B2
公开(公告)日：2016-06-07
申请号：US11696744
申请日：2007-04-05
申请人： David S. Wisherd , Michael A. Wohl
发明人： David S. Wisherd , Michael A. Wohl
CPC分类号： H04B1/406
摘要： A wireless local area network (WLAN) includes a server and receiver in communication with the server as a network client. A plurality of radio frequency (RF) front-end circuits are each configured for receiving wireless signals from mobile nodes within the WLAN along an allocated channel specific for a front-end circuit. A plurality of baseband processors each specific to an allocated channel are connected to a respective front-end circuit for the allocated channel and capture a desired signal specific to the allocated channel. A system controller is connected to each baseband processor for configuring each baseband processor and processing the desired signal and obtaining message data and signal metrics for each allocated channel that are communicated to the server.
摘要翻译： 无线局域网（WLAN）包括作为网络客户端与服务器通信的服务器和接收器。 多个射频（RF）前端电路被配置为沿着专用于前端电路的分配的信道从WLAN内的移动节点接收无线信号。 每个专用于分配的信道的多个基带处理器连接到用于所分配的信道的相应的前端电路，并且捕获所分配的信道特有的期望的信号。 系统控制器连接到每个基带处理器，用于配置每个基带处理器并处理所需信号，并且获得消息数据和针对传送到服务器的每个分配的信道的信号度量。
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8.发明授权Method, apparatus, and computer program product for wireless signal storage with signal recognition detection triggering 有权用于具有信号识别检测触发的无线信号存储的方法，装置和计算机程序产品公开(公告)号：US08892065B2
公开(公告)日：2014-11-18
申请号：US12874960
申请日：2010-09-02
CPC分类号： G01S5/02 , G01S5/0009
摘要： Various methods for wireless signal storage with signal recognition detection triggering are provided. One method may include receiving a plurality of wireless signals via a plurality of frequency channels, storing representations of the plurality of wireless signals in a signal buffer, and receiving a trigger request for a signal of interest. In this regard, the trigger request may have been generated based on an analysis of at least one wireless signal within the plurality of wireless signals to thereby identify the signal of interest. The method may also include retrieving a representation of the signal of interest from the signal buffer based on the trigger request, and analyzing the retrieved representation of the signal of interest with associated signal characteristics to determine a location of a source of the signal of interest. Similar apparatuses and computer program products are also provided.
摘要翻译： 提供了具有信号识别检测触发的无线信号存储的各种方法。 一种方法可以包括经由多个频率信道接收多个无线信号，将多个无线信号的表示存储在信号缓冲器中，以及接收对感兴趣的信号的触发请求。 在这方面，可以基于对多个无线信号中的至少一个无线信号的分析来生成触发请求，从而识别感兴趣的信号。 该方法还可以包括基于触发请求从信号缓冲器中检索感兴趣的信号的表示，以及用相关联的信号特征来分析检索到的感兴趣的信号的表示以确定感兴趣信号的源的位置。 还提供了类似的装置和计算机程序产品。
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9.发明申请WIRELESS LOCAL AREA NETWORK SYSTEM AND RECEIVER ADAPTED FOR USE THEREOF AND ASSOCIATED METHOD 有权无线本地区网络系统和接收机适用于其和相关方法公开(公告)号：US20070280182A1
公开(公告)日：2007-12-06
申请号：US11696744
申请日：2007-04-05
申请人： David S. Wisherd , Michael A. Wohl
发明人： David S. Wisherd , Michael A. Wohl
IPC分类号： H04Q7/24
CPC分类号： H04B1/406
摘要： A wireless local area network (WLAN) includes a server and receiver in communication with the server as a network client. A plurality of radio frequency (RF) front-end circuits are each configured for receiving wireless signals from mobile nodes within the WLAN along an allocated channel specific for a front-end circuit. A plurality of baseband processors each specific to an allocated channel are connected to a respective front-end circuit for the allocated channel and capture a desired signal specific to the allocated channel. A system controller is connected to each baseband processor for configuring each baseband processor and processing the desired signal and obtaining message data and signal metrics for each allocated channel that are communicated to the server.
摘要翻译： 无线局域网（WLAN）包括作为网络客户端与服务器通信的服务器和接收器。 多个射频（RF）前端电路被配置为沿着专用于前端电路的分配的信道从WLAN内的移动节点接收无线信号。 每个专用于分配的信道的多个基带处理器连接到用于所分配的信道的相应的前端电路，并且捕获所分配的信道特有的期望的信号。 系统控制器连接到每个基带处理器，用于配置每个基带处理器并处理所需信号，并且获得消息数据和针对传送到服务器的每个分配的信道的信号度量。
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10.发明申请METHOD, APPARATUS, AND COMPUTER PROGRAM PRODUCT FOR PROCESSING RECEIVED SIGNALS FOR LOCATING 有权用于处理接收信号的方法，装置和计算机程序产品公开(公告)号：US20120225676A1
公开(公告)日：2012-09-06
申请号：US13411220
申请日：2012-03-02
IPC分类号： H04W24/00
CPC分类号： G01S5/14 , G01S5/0205 , G01S5/0221 , G01S5/0226 , G01S5/06
摘要： Example embodiments are directed to various aspects of processing received signals for determining a location of a source of the signals. An example method may include generating signal timing information, and determining times for a plurality of window periods for the signal of interest based on the signal timing information. The example method may also include retrieving, from a memory device that stores the signal stream, symbols of the signal of interest based on the window periods, and formatting the symbols of the signal of interest in preparation for determining a location of a source of the signal of interest. Additional and alternative methods and apparatuses are also provided.
摘要翻译： 示例性实施例涉及处理用于确定信号源的位置的接收信号的各个方面。 示例性方法可以包括基于信号定时信息产生信号定时信息，以及确定感兴趣信号的多个窗口周期的时间。 示例性方法还可以包括从存储信号流的存储器件中检索基于窗口周期的感兴趣信号的符号，并且对所感兴趣的信号的符号进行格式化以准备确定信号源的位置 感兴趣的信号。 还提供了另外的替代方法和装置。
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