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51. 发明申请

US20110183683A1 METHOD AND APPARATUS FOR PEER-ASSISTED LOCALIZATION 有权
标题翻译：用于同伴本地化的方法和装置
公开(公告)号：US20110183683A1
公开(公告)日：2011-07-28
申请号：US12692390
申请日：2010-01-22
申请人： Saumitra Mohan Das , Vinay Sridhara , Alok Aggarwal , Ayman Fawzy Naguib
发明人： Saumitra Mohan Das , Vinay Sridhara , Alok Aggarwal , Ayman Fawzy Naguib
IPC分类号： H04W24/00
CPC分类号： H04W60/00
摘要： The subject matter disclosed herein relates to a system and method for receiving, by a first mobile station, a signal transmitted from a second mobile station and addressed to a communication device (e.g., a communication device having a known location). The signal comprises a location estimate for the second mobile station. A range from the first mobile station to the second mobile station is estimated based at least in part on a measured signal strength of the received signal.
摘要翻译：本文公开的主题涉及一种用于由第一移动台接收从第二移动站发送并寻址到通信设备（例如具有已知位置的通信设备）的信号的系统和方法。信号包括第二移动站的位置估计。至少部分地基于接收信号的测量信号强度来估计从第一移动站到第二移动站的范围。

52. 发明申请

US20110172916A1 Mobile Device Positioning In A Constrained Environment 审中-公开
标题翻译：移动设备在受限环境中的定位
公开(公告)号：US20110172916A1
公开(公告)日：2011-07-14
申请号：US12987879
申请日：2011-01-10
申请人： Payam Pakzad , Alok Aggarwal , Ayman Fawzy Naguib
发明人： Payam Pakzad , Alok Aggarwal , Ayman Fawzy Naguib
IPC分类号： G01C21/30 , G01C21/10
CPC分类号： G01C21/14
摘要： The subject matter disclosed herein relates to systems, methods, devices, articles, apparatuses, means, etc. for mobile device positioning in a constrained environment. For certain example implementations, a method may comprise obtaining an estimated velocity distribution and an estimated direction of movement distribution of a mobile device for a current position based at least in part on routability information for a constrained environment. A subsequent position of the mobile device may be estimated based at least in part on the estimated velocity distribution and the estimated direction of movement distribution for the current position. Other example implementations are described herein.
摘要翻译：本文公开的主题涉及用于在受限环境中的移动设备定位的系统，方法，设备，物品，装置，装置等。对于某些示例实现，方法可以包括至少部分地基于受约束环境的可路由性信息来获得针对当前位置的估计速度分布和估计移动设备的移动分布方向。可以至少部分地基于当前位置的估计速度分布和估计的运动分布方向来估计移动设备的后续位置。本文描述了其他示例实现。

53. 发明申请

US20100135178A1 WIRELESS POSITION DETERMINATION USING ADJUSTED ROUND TRIP TIME MEASUREMENTS 审中-公开
标题翻译：使用调整回合时间测量的无线位置确定
公开(公告)号：US20100135178A1
公开(公告)日：2010-06-03
申请号：US12622289
申请日：2009-11-19
申请人： Alok Aggarwal , Ayman Fawzy Naguib , Vinay Sridhara , Saumitra Mohan Das
发明人： Alok Aggarwal , Ayman Fawzy Naguib , Vinay Sridhara , Saumitra Mohan Das
IPC分类号： H04J1/16 , H04W4/00 , H04B7/00
CPC分类号： G01S5/10 , G01S5/0205 , G01S5/14 , G01S13/765 , H04W24/00 , H04W64/00
摘要： One method for wirelessly determining a position of a mobile station includes measuring a round trip time (RTT) to a plurality of wireless access points, estimating a first distance to each wireless access point based upon the round trip time delay and an initial processing time associated with each wireless access point, estimating a second distance to each wireless access point based upon supplemental information, combining the first and second distance estimates to each wireless access point, and calculating the position based upon the combined distance estimates. Another method includes measuring a distance to each wireless access point based upon a wireless signal model, calculating a position of the mobile station based upon the measured distance, determining a computed distance to each wireless access point based upon the calculated position of the mobile station, updating the wireless signal model, and determining whether the wireless signal model has converged.
摘要翻译：用于无线地确定移动站的位置的一种方法包括测量到多个无线接入点的往返时间（RTT），基于往返时间延迟和相关联的初始处理时间估计到每个无线接入点的第一距离利用每个无线接入点，基于补充信息估计到每个无线接入点的第二距离，将第一和第二距离估计合并到每个无线接入点，以及基于组合的距离估计来计算位置。另一种方法包括基于无线信号模型测量到每个无线接入点的距离，基于测量的距离计算移动台的位置，基于计算出的移动台的位置确定计算出的每个无线接入点的距离，更新无线信号模型，以及确定无线信号模型是否收敛。

54. 发明申请

US20100091915A1 METHODS AND SYSTEMS FOR MIMO PREAMBLE DETECTION 失效
标题翻译：用于MIMO前缀检测的方法和系统
公开(公告)号：US20100091915A1
公开(公告)日：2010-04-15
申请号：US12363727
申请日：2009-01-31
申请人： Mingguang Xu , Miguel Griot , Pranav Dayal , Ayman Fawzy Naguib
发明人： Mingguang Xu , Miguel Griot , Pranav Dayal , Ayman Fawzy Naguib
IPC分类号： H04L27/06
CPC分类号： H04L27/2626 , H04B7/0671 , H04B7/068 , H04L27/2647
摘要： Certain embodiments of the present disclosure allow for detection of a transmitted preamble sequence by processing a correlation of a received signal and a preamble hypothesis in a way that exploits the good correlation properties of the known set of preamble sequences. For certain embodiments, the highest peaks of the correlation output may be compared across all preamble hypotheses to decide which preamble sequence is transmitted.
摘要翻译：本公开的某些实施例允许通过以利用已知的前置码序列集合的良好相关性的方式处理接收信号和前导码假设的相关性来检测所发送的前导序列。对于某些实施例，可以在所有前导假设之间比较相关输出的最高峰以决定哪个前导序列被发送。

55. 发明申请

US20090279503A1 SYSTEMS AND METHODS FOR MULTIMODE WIRELESS COMMUNICATION HANDOFF 审中-公开
标题翻译：多模式无线通信手持系统与方法
公开(公告)号：US20090279503A1
公开(公告)日：2009-11-12
申请号：US12176304
申请日：2008-07-18
申请人： Tom Chin , Kuo-Chun Lee , Ayman Fawzy Naguib
发明人： Tom Chin , Kuo-Chun Lee , Ayman Fawzy Naguib
IPC分类号： H04Q7/00
CPC分类号： H04W36/0072 , H04W36/14 , H04W88/06
摘要： Methods and apparatus for base-station-assisted handover between WiMAX (Worldwide Interoperability for Microwave Access) and CDMA (Code Division Multiple Access) EVDO (Evolution-Data Optimized) or 1xRTT (one times Radio Transmission Technology, or 1x) networks during normal operation of a dual-mode mobile station (MS) are provided. By having a base station (BS) using one radio access technology (RAT) broadcast information about a BS in a neighboring cell employing a different RAT, the methods and apparatus may improve service continuity during handover.
摘要翻译：在正常运行期间，WiMAX（全球微波接入互操作性）和CDMA（码分多址）EVDO（演进数据优化）或1xRTT（一次无线传输技术或1x）网络之间的基站辅助切换的方法和装置提供双模移动台（MS）。通过在使用不同的RAT的相邻小区中使用一个无线电接入技术（RAT）广播关于BS的信息的基站（BS），所述方法和装置可以提高切换期间的业务连续性。

56. 发明申请

US20090129332A1 METHODS AND APPARATUS FOR PROVIDING AN EFFICIENT FRAME STRUCTURE FOR WIRELESS COMMUNICATION SYSTEMS 审中-公开
标题翻译：为无线通信系统提供有效框架结构的方法和装置
公开(公告)号：US20090129332A1
公开(公告)日：2009-05-21
申请号：US12260077
申请日：2008-10-28
申请人： Pranav Dayal , Ayman Fawzy Naguib , Mahesh Makhijani
发明人： Pranav Dayal , Ayman Fawzy Naguib , Mahesh Makhijani
IPC分类号： H04W4/00
CPC分类号： H04B7/2615 , H04L5/0007 , H04L5/14 , H04L5/143
摘要： Providing for an efficient frame structure for wireless communication is disclosed, which may include frequency division multiplexing (FDM) first and second air interfaces in a downlink subframe of a frame, and may also include time division multiplexing (TDM) the first and second air interfaces in an uplink subframe of the frame.
摘要翻译：提供了一种用于无线通信的有效帧结构，其可以包括帧的下行链路子帧中的频分复用（FDM）第一和第二空中接口，并且还可以包括时分复用（TDM）第一和第二空中接口在帧的上行链路子帧中。

57. 发明授权

US09645225B2 Network-centric determination of node processing delay 有权
公开(公告)号：US09645225B2
公开(公告)日：2017-05-09
申请号：US12622356
申请日：2009-11-19
申请人： Alok Aggarwal , Ayman Fawzy Naguib , Vinay Sridhara
发明人： Alok Aggarwal , Ayman Fawzy Naguib , Vinay Sridhara
IPC分类号： G01S5/02 , G01S5/06 , H04W4/04 , H04W64/00 , H04L29/08
CPC分类号： G01S5/021 , G01S5/0284 , G01S5/06 , H04L29/08657 , H04W4/04 , H04W64/00
摘要： Apparatus and methods are directed to calibrating a delay within a wireless access point for determining a position of a mobile station. One method includes receiving an initial packet at an eavesdropping device, receiving a response packet, sent by another entity, at the eavesdropping device, computing a time difference based upon the packet arrival times, and providing the time difference to a position determination entity. Another method includes providing a request to appropriate eavesdropping devices to send information, receiving, from each appropriate eavesdropping device, a time difference which represents a difference in a time of arrival of a packet transmitted by the wireless access point and a time of arrival of a packet transmitted by the mobile station, determining a processing delay estimate based upon the time differences, and determining a position of the mobile station based upon the processing delay estimate and the received time differences.

58. 发明授权

US09252862B2 MIMO preamble for initial access with an unknown number of transmit antennas 有权
标题翻译：用于具有未知数量的发射天线的初始接入的MIMO前导码
公开(公告)号：US09252862B2
公开(公告)日：2016-02-02
申请号：US12211861
申请日：2008-09-17
申请人： Pranav Dayal , Ayman Fawzy Naguib
发明人： Pranav Dayal , Ayman Fawzy Naguib
IPC分类号： H04B7/06 , H04L27/26
CPC分类号： H04B7/0667 , H04L27/261
摘要： For certain embodiments, a preamble sequence associated with a particular number of transmit antennas may allow a receiving mobile station to determine the number of transmit antennas used for transmission. The preamble sequence may be selected from one of a set of Constant Amplitude and Zero Auto Correlation (CAZAC) sequences corresponding to all of the supported number of transmit antennas. As a result, a receiving station may be able to determine the sequence sent by correlation and, thereby determine the number of antennas used for transmission. Given the number of transmit antennas, the mobile station may then perform MIMO channel estimation during initial synchronization to recover the channel taps between each transmit and each receive antenna.
摘要翻译：对于某些实施例，与特定数量的发射天线相关联的前同步码序列可以允许接收移动台确定用于传输的发射天线的数量。前导码序列可以从对应于所有支持的发射天线数量的一组恒定幅度和零自相关（CAZAC）序列之一中选择。结果，接收站可以能够确定通过相关发送的序列，从而确定用于传输的天线的数量。给定发射天线的数量，移动台然后可以在初始同步期间执行MIMO信道估计，以恢复每个发射天线和每个接收天线之间的信道抽头。

59. 发明授权

US09100076B2 Time varying delay diversity of OFDM 有权
标题翻译： OFDM的时变延迟分集
公开(公告)号：US09100076B2
公开(公告)日：2015-08-04
申请号：US13550549
申请日：2012-07-16
申请人： Ayman Fawzy Naguib , Avneesh Agrawal
发明人： Ayman Fawzy Naguib , Avneesh Agrawal
IPC分类号： H04L27/00 , H04B7/06 , H04B7/04 , H04L1/06 , H04L27/26 , H04L1/00 , H04L25/02 , H04W52/42
CPC分类号： H04B7/0671 , H04B7/0417 , H04B7/0632 , H04B7/0673 , H04L1/0003 , H04L1/0009 , H04L1/0026 , H04L1/0071 , H04L1/0618 , H04L25/0224 , H04L27/2602 , H04L27/2607 , H04L27/2631 , H04L27/2647 , H04W52/42
摘要： Methods and apparatuses that apply a time-varying delay to symbols to be transmitted from one or more antennas are provided. In a first embodiment, first and second transmission orders for samples in first and second data symbols, respectively, are determined. First and second cyclic prefixes are appended to the beginnings of the first and second transmission orders, respectively. The first and second data symbols are then provided to the same antenna for transmissions beginning at different time slots in accordance with a delay diversity scheme. In a second embodiment, either the first data symbol or the second data symbol can be provided to different antennas for transmissions beginning at different time slots in accordance with a delay diversity scheme.
摘要翻译：提供了对从一个或多个天线发送的符号应用时变延迟的方法和装置。在第一实施例中，分别确定第一和第二数据符号中的采样的第一和第二传输顺序。第一和第二循环前缀分别附加到第一和第二传输命令的开头。然后根据延迟分集方案，将第一和第二数据符号提供给相同的天线，用于在不同时隙开始的传输。在第二实施例中，根据延迟分集方案，可以将第一数据符号或第二数据符号提供给不同的天线以用于在不同时隙开始的传输。

60. 发明授权

US08812015B2 Mobile device locating in conjunction with localized environments 有权
标题翻译：移动设备与本地化环境配合
公开(公告)号：US08812015B2
公开(公告)日：2014-08-19
申请号：US12895583
申请日：2010-09-30
申请人： Saumitra Mohan Das , Ayman Fawzy Naguib , Rajarshi Gupta
发明人： Saumitra Mohan Das , Ayman Fawzy Naguib , Rajarshi Gupta
IPC分类号： H04W24/00
CPC分类号： H04W4/02 , G01C21/20 , G01C21/206 , G01S5/0036 , H04W4/021 , H04W4/029 , H04W4/043
摘要： The subject matter disclosed herein relates to systems, methods, apparatuses, articles, etc. for mobile device locating in conjunction with localized environments. For certain example implementations, a method may comprise obtaining at a mobile device one or more signals comprising information indicative of a location thereof. The information may be transmitted to one or more servers. A location context identifier (LCI) may be received responsive to the transmitting, with the LCI corresponding to a localized environment at which the mobile device is located. The LCI may be transmitted to the one or more servers. Location-based data may be received responsive to the transmitting of the LCI, with the location-based data being associated with the LCI and pertaining to the localized environment. The location of the mobile device may be determined with respect to the localized environment based, at least in part, on the location-based data. Other example implementations are described herein.
摘要翻译：本文公开的主题涉及用于结合局部化环境定位的移动设备的系统，方法，设备，物品等。对于某些示例实现，方法可以包括在移动设备处获取包括指示其位置的信息的一个或多个信号。信息可以被发送到一个或多个服务器。可以响应于发送而接收位置上下文标识符（LCI），其中LCI对应于移动设备所在的本地化环境。 LCI可以被发送到一个或多个服务器。响应于LCI的发送可以接收基于位置的数据，基于位置的数据与LCI相关联并且与本地化环境有关。至少部分地基于位置数据，可以相对于本地化环境来确定移动设备的位置。本文描述了其他示例实现。

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