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1. 发明授权

US06317604B1 Centralized database system for a wireless location system 有权
标题翻译：无线定位系统的集中数据库系统
公开(公告)号：US06317604B1
公开(公告)日：2001-11-13
申请号：US09539352
申请日：2000-03-31
申请人： Michael John Kovach, Jr. , Anthony Richard Brigidi , John Solley , Edwin E. McCook , Robert J. Anderson , Vineet Sachdev , Thomas Ginter , Joseph W. Sheehan , Louis A. Stilp
发明人： Michael John Kovach, Jr. , Anthony Richard Brigidi , John Solley , Edwin E. McCook , Robert J. Anderson , Vineet Sachdev , Thomas Ginter , Joseph W. Sheehan , Louis A. Stilp
IPC分类号： H04Q720
CPC分类号： H04W64/00 , G01S1/026 , G01S5/02 , G01S5/021 , G01S5/0215 , G01S5/0221 , G01S5/0252 , G01S5/0268 , G01S5/0284 , G01S5/06 , G01S2205/006 , G01S2205/008 , H04W4/90 , H04W76/50 , Y02D70/1222 , Y02D70/1224 , Y02D70/1242 , Y02D70/144 , Y02D70/164
摘要： A centralized database system is used in a wireless location system that determines the geographical locations of mobile wireless transmitters, the wireless location system including signal collection systems, location processors for processing digitized RF data provided by the signal collection systems, and a centralized database system for managing resources in the wireless location system. The centralized database system includes a computer, a database, and a plurality of software processes for managing the wireless location system, providing interfaces to external users and applications, and storing location records and configuration information.
摘要翻译：在确定移动无线发射机的地理位置的无线定位系统中使用集中式数据库系统，包括信号收集系统的无线定位系统，用于处理由信号采集系统提供的数字化RF数据的位置处理器，以及用于管理无线定位系统中的资源。集中式数据库系统包括计算机，数据库和用于管理无线位置系统的多个软件过程，向外部用户和应用提供接口以及存储位置记录和配置信息。

2. 再颁专利

USRE42285E1 Applications processor including a database system, for use in a wireless location system 有权
标题翻译：应用处理器包括用于无线定位系统的数据库系统
公开(公告)号：USRE42285E1
公开(公告)日：2011-04-12
申请号：US12562924
申请日：2009-09-18
申请人： Robert J. Anderson , Michael John Kovach, Jr. , Anthony Richard Brigidi , John Solley , Edwin E. McCook , Vineet Sachdev , Thomas Ginter , Joseph W. Sheehan , Louis A. Stilp
发明人： Robert J. Anderson , Michael John Kovach, Jr. , Anthony Richard Brigidi , John Solley , Edwin E. McCook , Vineet Sachdev , Thomas Ginter , Joseph W. Sheehan , Louis A. Stilp
IPC分类号： G01S3/02
CPC分类号： H04W64/00 , G01S1/026 , G01S5/02 , G01S5/021 , G01S5/0215 , G01S5/0221 , G01S5/0252 , G01S5/0268 , G01S5/0284 , G01S5/06 , G01S2205/006 , G01S2205/008 , H04W4/90 , H04W76/50 , Y02D70/1222 , Y02D70/1224 , Y02D70/1242 , Y02D70/144 , Y02D70/164
摘要： An Applications Processor (14) including a centralized database system is used in a wireless location system (WLS). The APs 14 may be used to manage resources in the WLS, including signal collection systems (SCSs 10) and TDOA location processors (TLPs 12). Each AP 14 contains a database containing triggers for the WLS. The WLS can be programmed to locate only certain pre-determined types of transmissions. When a transmission of a pre-determined type occurs, then the WLS is triggered to begin location processing. Each AP 14 also contains applications interfaces that permit a variety of applications to securely access the WLS. These applications may access location records in real time or non-real time, create or delete certain types of triggers, or cause the WLS to take other actions. Each AP 14 is also capable of certain post-processing functions.
摘要翻译：在无线定位系统（WLS）中使用包括集中式数据库系统的应用处理器（14）。 AP 14可以用于管理WLS中的资源，包括信号收集系统（SCS 10）和TDOA位置处理器（TLP 12）。每个AP 14包含一个包含WLS触发器的数据库。可以将WLS编程为仅定位某些预定类型的传输。当发生预定类型的发送时，触发WLS开始定位处理。每个AP 14还包含允许各种应用程序安全访问WLS的应用程序接口。这些应用程序可以实时或非实时访问位置记录，创建或删除某些类型的触发器，或使WLS采取其他操作。每个AP 14还能够具有某些后处理功能。

3. 发明授权

US06463290B1 Mobile-assisted network based techniques for improving accuracy of wireless location system 有权
标题翻译：基于移动辅助网络技术，提高无线定位系统的准确性
公开(公告)号：US06463290B1
公开(公告)日：2002-10-08
申请号：US09679228
申请日：2000-10-03
申请人： Louis A. Stilp , Joseph W. Sheehan , Alan E. E. Rogers , Robert J. Anderson , Vineet Sachdev
发明人： Louis A. Stilp , Joseph W. Sheehan , Alan E. E. Rogers , Robert J. Anderson , Vineet Sachdev
IPC分类号： H04Q700
CPC分类号： H04W64/00 , G01S1/026 , G01S5/02 , G01S5/021 , G01S5/0273 , G01S5/06 , G01S2205/006 , G01S2205/008 , H04W4/90 , H04W76/50
摘要： The accuracy of the location estimate of a Wireless Location System is dependent, in part, upon both the transmitted power of the wireless transmitter and the length in time of the transmission from the wireless transmitter. In general, higher power transmissions and transmissions of greater transmission length can be located with better accuracy by the Wireless Location System than lower power and shorter transmissions. Wireless communications systems generally limit the transmit power and transmission length of wireless transmitters in order to minimize interference within the communications system and to maximize the potential capacity of the system. Several methods meet the conflicting needs of both systems by enabling the wireless communications system to minimize transmit power and length while enabling improved location accuracy for certain types of calls, such as wireless 9-1-1 (emergency) calls. Such methods include mobile-assisted techniques in which the mobile unit includes functionality to assist in improving location accuracy. The WLS locates the transmitter (mobile unit) while the latter is using a modified transmission sequence comprising a message sent from the wireless transmitter using transmission parameters different from the normal transmission parameters broadcast on the forward control channel by the base stations in the associated wireless communications system. A trigger event, such as the user dialing 9-1-1, causes the mobile unit to operate in the mode in which the modified transmission sequence is used.
摘要翻译：无线定位系统的位置估计的精度部分地取决于无线发射机的发射功率和从无线发射机发射的时间长度。通常，通过无线定位系统可以以比较低的功率和较短的传输更高的精度来定位更高功率的传输和更大传输长度的传输。无线通信系统通常限制无线发射机的发射功率和传输长度，以便最小化通信系统内的干扰并最大化系统的潜在容量。通过使无线通信系统能够最小化发射功率和长度，同时实现诸如无线9-1-1（紧急）呼叫的某些类型的呼叫的改进的定位精度，几种方法满足两个系统的冲突的需求。这些方法包括移动辅助技术，其中移动单元包括有助于提高定位精度的功能。 WLS定位发射机（移动单元），而后者使用修改的传输序列，该修改的传输序列包括使用与相关无线通信中的基站在前向控制信道上广播的正常传输参数不同的传输参数从无线发射机发送的消息系统。诸如用户拨号9-1-1之类的触发事件使得移动单元在使用修改的传输序列的模式下操作。

4. 发明授权

US06661379B2 Antenna selection method for a wireless location system 有权
公开(公告)号：US06661379B2
公开(公告)日：2003-12-09
申请号：US10158522
申请日：2002-05-29
申请人： Louis A. Stilp , Joseph W. Sheehan , Alan E. E. Rogers , Robert J. Anderson , Andrew F. Harbison
发明人： Louis A. Stilp , Joseph W. Sheehan , Alan E. E. Rogers , Robert J. Anderson , Andrew F. Harbison
IPC分类号： G01S302
CPC分类号： H04W64/00 , G01S1/026 , G01S5/02 , G01S5/021 , G01S5/0215 , G01S5/0221 , G01S5/0252 , G01S5/0268 , G01S5/0284 , G01S5/06 , G01S2205/006 , G01S2205/008 , H04W4/90 , H04W76/50 , Y02D70/1222 , Y02D70/1224 , Y02D70/1242 , Y02D70/144 , Y02D70/164
摘要： An antenna selection method is used in a wireless location system that determines the geographic location of a mobile wireless transmitter. The wireless location system includes signal collection systems connected to multiple antennas at a plurality of cell sites and a location processor for processing digital data provided by the signal collection systems. The antenna selection method comprises evaluating segments of data collected from a plurality of antennas at a signal collection system, selecting a subset of the segments of data, and using only the selected segments of data in location processing.

5. 发明授权

US06519465B2 Modified transmission method for improving accuracy for E-911 calls 有权
标题翻译：改进了E-911呼叫精度的传输方式
公开(公告)号：US06519465B2
公开(公告)日：2003-02-11
申请号：US09907028
申请日：2001-07-16
申请人： Louis A. Stilp , Robert J. Anderson , Joseph W. Sheehan
发明人： Louis A. Stilp , Robert J. Anderson , Joseph W. Sheehan
IPC分类号： H04B700
CPC分类号： H04W64/00 , G01S1/026 , G01S5/02 , G01S5/021 , G01S5/06 , G01S2205/006 , G01S2205/008 , H04W4/90 , H04W76/50
摘要： The accuracy of the location estimate of a Wireless Location System is dependent, in part, upon both the transmitted power of the wireless transmitter and the length in time of the transmission from the wireless transmitter. In general, higher power transmissions and transmissions of greater transmission length can be located with better accuracy by the Wireless Location System than lower power and shorter transmissions. Wireless communications systems generally limit the transmit power and transmission length of wireless transmitters in order to minimize interference within the communications system and to maximize the potential capacity of the system. The inventive method disclosed herein meets the conflicting needs of both systems by enabling the wireless communications system to minimize transmit power and length while enabling improved location accuracy for certain types of calls, such as wireless 9-1-1 calls. The method comprises the following steps: a wireless transmitter receives normal transmission parameters from a base station; the user of the wireless transmitter initiates a call on the wireless transmitter by dialing a sequence of digits and pressing “SEND” or “YES”; a processor within the wireless transmitter compares the dialed sequence of digits with one or more trigger events stored within the wireless transmitter; if the dialed sequence of digits does not match the trigger event, then the wireless transmitter uses the normal transmission parameters in making the call; and if the dialed sequence of digits matches the trigger event, then the wireless transmitter uses a modified transmission sequence.
摘要翻译：无线定位系统的位置估计的精度部分地取决于无线发射机的发射功率和从无线发射机发射的时间长度。通常，通过无线定位系统可以以比较低的功率和较短的传输更高的精度来定位更高功率的传输和更大传输长度的传输。无线通信系统通常限制无线发射机的发射功率和传输长度，以便最小化通信系统内的干扰并最大化系统的潜在容量。本文公开的创造性方法通过使无线通信系统能够最小化发射功率和长度同时实现诸如无线9-1-1呼叫的某些类型的呼叫的改进的位置精度来满足两个系统的冲突的需求。该方法包括以下步骤：无线发射机从基站接收正常的传输参数; 无线发射机的用户通过拨打一系列数字并按“发送”或“是”来在无线发射机上发起呼叫。无线发射机内的处理器将拨号的数字序列与存储在无线发射机内的一个或多个触发事件进行比较; 如果拨打的数字序列与触发事件不匹配，则无线发射机在进行呼叫时使用正常的传输参数; 并且如果拨号的数字序列匹配触发事件，则无线发射机使用修改的传输序列。

6. 发明授权

US06483460B2 Baseline selection method for use in a wireless location system 有权
标题翻译：用于无线定位系统的基线选择方法
公开(公告)号：US06483460B2
公开(公告)日：2002-11-19
申请号：US10004895
申请日：2001-12-05
申请人： Louis A. Stilp , Joseph W. Sheehan , Alan E. E. Rogers , Robert J. Anderson , Andrew F. Harbison
发明人： Louis A. Stilp , Joseph W. Sheehan , Alan E. E. Rogers , Robert J. Anderson , Andrew F. Harbison
IPC分类号： G01S302
CPC分类号： H04W64/00 , G01S1/026 , G01S5/02 , G01S5/021 , G01S5/0215 , G01S5/0221 , G01S5/0252 , G01S5/0268 , G01S5/0284 , G01S5/06 , G01S2205/006 , G01S2205/008 , H04W4/90 , H04W76/50 , Y02D70/1222 , Y02D70/1224 , Y02D70/1242 , Y02D70/144 , Y02D70/164
摘要： A Wireless Location System includes signal collection systems and location processors for processing digital data provided by the signal collection systems. To determine the geographic location of a mobile wireless transmitter, time difference of arrival, or TDOA, data is determined with respect to a plurality of first signal collection system/antenna second signal collection system/antenna baselines. A method for selecting baselines for use in location processing comprises calculating a number of parameters for each of the plurality of baselines, and including in a final location solution only those baselines meeting or exceeding predefined threshold criteria for each of the parameters.
摘要翻译：无线定位系统包括用于处理由信号采集系统提供的数字数据的信号收集系统和位置处理器。为了确定移动无线发射机的地理位置，到达时间差或TDOA，数据相对于多个第一信号收集系统/天线第二信号收集系统/天线基线确定。用于选择用于位置处理的基线的方法包括计算多个基线中的每一个的参数的数量，并且在最终位置中仅包括满足或超过每个参数的预定阈值标准的那些基准。

7. 发明授权

US06400320B1 Antenna selection method for a wireless location system 有权
标题翻译：一种无线定位系统的天线选择方法
公开(公告)号：US06400320B1
公开(公告)日：2002-06-04
申请号：US09648404
申请日：2000-08-24
申请人： Louis A. Stilp , Joseph W. Sheehan , Alan E. E. Rogers , Robert J. Anderson , Andrew F. Harbison
发明人： Louis A. Stilp , Joseph W. Sheehan , Alan E. E. Rogers , Robert J. Anderson , Andrew F. Harbison
IPC分类号： G01S302
CPC分类号： H04W64/00 , G01S1/026 , G01S5/02 , G01S5/021 , G01S5/0215 , G01S5/0221 , G01S5/0252 , G01S5/0268 , G01S5/0284 , G01S5/06 , G01S2205/006 , G01S2205/008 , H04W4/90 , H04W76/50 , Y02D70/1222 , Y02D70/1224 , Y02D70/1242 , Y02D70/144 , Y02D70/164
摘要： An antenna selection method is used in a wireless location system that determines the geographic location of a mobile wireless transmitter. The wireless location system includes signal collection systems connected to multiple antennas at a plurality of cell sites and a location processor for processing digital data provided by the signal collection systems. The antenna selection method comprises evaluating segments of data collected from a plurality of antennas at a signal collection system, selecting a subset of the segments of data, and using only the selected segments of data in location processing.
摘要翻译：在确定移动无线发射机的地理位置的无线定位系统中使用天线选择方法。无线定位系统包括连接到多个小区站点处的多个天线的信号采集系统和用于处理由信号采集系统提供的数字数据的位置处理器。天线选择方法包括评估在信号采集系统从多个天线收集的数据的段，选择数据段的子集，并且仅在位置处理中仅使用所选择的数据段。

8. 发明授权

US06388618B1 Signal collection system for a wireless location system 有权
标题翻译：用于无线定位系统的信号采集系统
公开(公告)号：US06388618B1
公开(公告)日：2002-05-14
申请号：US09539370
申请日：2000-03-31
申请人： Louis A. Stilp , Joseph W. Sheehan , Jeffrey F. Bull , Robert J. Anderson
发明人： Louis A. Stilp , Joseph W. Sheehan , Jeffrey F. Bull , Robert J. Anderson
IPC分类号： G01S302
CPC分类号： H04W64/00 , G01S1/026 , G01S5/02 , G01S5/021 , G01S5/06 , G01S2205/008 , H04W4/90 , H04W76/50 , Y02D70/164
摘要： A signal collection system (SCS) is used in a wireless location system that determines the geographical locations of mobile wireless transmitters. The SCS includes a first receiver module, a first digital signal processing (DSP) module, a control and communications module, a timing signal generator including an enhanced GPS receiver, and a bus coupling the DSP module to the communications and control module. The receiver module receives RF signals from the mobile transmitters via a plurality of antennas and digitizes said RF signals, and provides digitized RF data to the first DSP module.
摘要翻译：在确定移动无线发射机的地理位置的无线定位系统中使用信号采集系统（SCS）。 SCS包括第一接收器模块，第一数字信号处理（DSP）模块，控制和通信模块，包括增强型GPS接收器的定时信号发生器和将DSP模块耦合到通信和控制模块的总线。接收机模块经由多个天线从移动发射机接收RF信号，并对所述RF信号进行数字化，并向第一DSP模块提供数字化的RF数据。

9. 发明授权

US06334059B1 Modified transmission method for improving accuracy for e-911 calls 有权
标题翻译：用于提高e-911呼叫精度的改进传输方法
公开(公告)号：US06334059B1
公开(公告)日：2001-12-25
申请号：US09541888
申请日：2000-03-31
申请人： Louis A. Stilp , Robert J. Anderson , Joseph W. Sheehan
发明人： Louis A. Stilp , Robert J. Anderson , Joseph W. Sheehan
IPC分类号： H04Q700
CPC分类号： H04W64/00 , G01S1/026 , G01S5/02 , G01S5/021 , G01S5/06 , G01S2205/006 , G01S2205/008 , H04W4/90 , H04W76/50
摘要： The accuracy of the location estimate of a Wireless Location System is dependent, in part, upon both the transmitted power of the wireless transmitter and the length in time of the transmission from the wireless transmitter. In general, higher power transmissions and transmissions of greater transmission length can be located with better accuracy by the Wireless Location System than lower power and shorter transmissions. Wireless communications systems generally limit the transmit power and transmission length of wireless transmitters in order to minimize interference within the communications system and to maximize the potential capacity of the system. The inventive method disclosed herein meets the conflicting needs of both systems by enabling the wireless communications system to minimize transmit power and length while enabling improved location accuracy for certain types of calls, such as wireless 9-1-1 calls. The method comprises the following steps: a wireless transmitter receives normal transmission parameters from a base station; the user of the wireless transmitter initiates a call on the wireless transmitter by dialing a sequence of digits and pressing “SEND” or “YES”; a processor within the wireless transmitter compares the dialed sequence of digits with one or more trigger events stored within the wireless transmitter; if the dialed sequence of digits does not match the trigger event, then the wireless transmitter uses the normal transmission parameters in making the call; and if the dialed sequence of digits matches the trigger event, then the wireless transmitter uses a modified transmission sequence.
摘要翻译：无线定位系统的位置估计的精度部分地取决于无线发射机的发射功率和从无线发射机发射的时间长度。通常，通过无线定位系统可以以比较低的功率和较短的传输更高的精度来定位更高功率的传输和更大传输长度的传输。无线通信系统通常限制无线发射机的发射功率和传输长度，以便最小化通信系统内的干扰并最大化系统的潜在容量。本文公开的创造性方法通过使无线通信系统能够最小化发射功率和长度同时实现诸如无线9-1-1呼叫的某些类型的呼叫的改进的位置精度来满足两个系统的冲突的需求。该方法包括以下步骤：无线发射机从基站接收正常的传输参数; 无线发射机的用户通过拨打一系列数字并按“发送”或“是”来在无线发射机上发起呼叫。无线发射机内的处理器将拨号的数字序列与存储在无线发射机内的一个或多个触发事件进行比较; 如果拨打的数字序列与触发事件不匹配，则无线发射机在进行呼叫时使用正常的传输参数; 并且如果拨号的数字序列匹配触发事件，则无线发射机使用修改的传输序列。

10. 发明授权

US06266013B1 Architecture for a signal collection system of a wireless location system 有权
标题翻译：无线定位系统信号采集系统的架构
公开(公告)号：US06266013B1
公开(公告)日：2001-07-24
申请号：US09228362
申请日：1999-01-11
申请人： Louis A. Stilp , Joseph W. Sheehan , Tim J. Harris , Jeffrey F. Bull , Robert J. Anderson
发明人： Louis A. Stilp , Joseph W. Sheehan , Tim J. Harris , Jeffrey F. Bull , Robert J. Anderson
IPC分类号： G01S124
CPC分类号： H04W64/00 , G01S1/026 , G01S5/02 , G01S5/021 , G01S5/0215 , G01S5/0221 , G01S5/0252 , G01S5/0268 , G01S5/0284 , G01S5/06 , G01S2205/006 , G01S2205/008 , H04W4/90 , H04W76/50 , Y02D70/1222 , Y02D70/1224 , Y02D70/1242 , Y02D70/144 , Y02D70/164
摘要： A signal collection system (SCS) for use in a Wireless Location System is disclosed. The SCS performs wideband energy detection and reporting at the front end of the SCS receiver. Other aspects of the SCS include a protocol for efficiently setting levels for wideband energy detection, DSP sharing within an SCS, and recursive location processing using progressively greater bandwidth from temporarily stored wideband data. The disclosed SCS includes antennas, a wideband receiver, a DSP for wideband energy detection, a memory for temporarily storing digital samples of received signals, a digital drop receiver, demodulation and normalization processors, and a communications processor. The wideband energy detection and the demodulation and normalization processors are implemented with DSP's that detect energy in a particular band, demodulate selected signals, and extract signals of interest for forwarding. The wideband energy detection unit determines the presence of a transmitted signal in the control channels monitored by the SCS. The wideband energy detection involves forming a map of the channel spectrum, and the map is used to determine when to demodulate signals within selected channels.
摘要翻译：公开了一种用于无线定位系统的信号采集系统（SCS）。 SCS在SCS接收机的前端执行宽带能量检测和报告。 SCS的其他方面包括用于有效地设置宽带能量检测的水平，SCS内的DSP共享以及使用从临时存储的宽带数据逐渐增加的带宽的递归位置处理的协议。所公开的SCS包括天线，宽带接收机，用于宽带能量检测的DSP，用于临时存储接收信号的数字样本的存储器，数字丢弃接收机，解调和归一化处理器以及通信处理器。宽带能量检测和解调和归一化处理器是用DSP来实现的，该DSP用于检测特定频带中的能量，解调所选择的信号，并提取用于转发的信号。宽带能量检测单元确定由SCS监控的控制信道中的发射信号的存在。宽带能量检测涉及形成信道频谱的映射，并且该映射用于确定何时解调选定信道内的信号。

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