公开(公告)号：US20080240116A1

公开(公告)日：2008-10-02

申请号：US11691066

申请日：2007-03-26

申请人： Feng Niu ,  Timothy J. Bancroft ,  Robert J. O'Dea

发明人： Feng Niu ,  Timothy J. Bancroft ,  Robert J. O'Dea

IPC分类号： H04Q7/00 ,  H04L12/56

CPC分类号： H04W64/00 ,  H04W8/005 ,  H04W40/246 ,  H04W84/18

摘要： A method and apparatus for determining the relative locations of nodes in a wireless network is disclosed. A list of neighboring nodes of a master node of the wireless network is generated and, from this list, a list of independent nodes is generated. An adjacency table for the independent nodes is then generated by examining the neighbors of dependent nodes. Two independent nodes are determined to be adjacent nodes only if they are the only neighboring nodes of a dependent node. Relative locations of nodes in wireless network may be determined from the adjacency table.

摘要翻译： 公开了一种用于确定无线网络中的节点的相对位置的方法和装置。 生成无线网络的主节点的相邻节点的列表，并且从该列表生成独立节点的列表。 然后通过检查依赖节点的邻居来生成独立节点的邻接表。 仅当它们是依赖节点的唯一相邻节点时，才将两个独立节点确定为相邻节点。 可以从邻接表确定无线网络中节点的相对位置。

公开(公告)号：US11959164B2

公开(公告)日：2024-04-16

申请号：US17691537

申请日：2022-03-10

申请人： Yimin Hu ,  Feng Niu ,  Wei Lu

发明人： Yimin Hu ,  Feng Niu ,  Wei Lu

IPC分类号： C23C14/30 ,  C23C14/08 ,  C23C28/00

CPC分类号： C23C14/30 ,  C23C14/081 ,  C23C14/083 ,  C23C28/3455

摘要： This invention provides a process or fabrication method of forming broadband anti-reflective (AR) coating over the mid-IR fluoride fiber for high power laser applications in mid-IR wavelength range. The AR coating consists of multiple-pair Lithium fluoride (LiF) and Al2O3, and was deposited by electron beam physical vapor deposition with an iron assistant source at low temperature (

公开(公告)号：US20070171843A1

公开(公告)日：2007-07-26

申请号：US11275671

申请日：2006-01-24

申请人： Jian Huang ,  Vernon Allen ,  Feng Niu ,  Qicai Shi

发明人： Jian Huang ,  Vernon Allen ,  Feng Niu ,  Qicai Shi

IPC分类号： H04L12/28 ,  H04J1/16

CPC分类号： H04W48/12 ,  H04L45/00 ,  H04W48/18 ,  H04W88/18

摘要： During operation a node (500) that has associated with a network (100) will periodically broadcast a beacon (303) during a beacon interval as part of a superframe. The beacon will be periodically broadcast for a first period of time, based on a time it takes for nodes to associate with the network. After the first period of time has passed, the beacon will be switched off for a second period of time, after which, the beacon will again be periodically broadcast.

摘要翻译： 在操作期间，与网络（100）相关联的节点（500）将在信标间隔期间周期性地广播信标（303），作为超帧的一部分。 基于节点与网络关联所花费的时间，信标将在第一时间段周期性地广播。 在第一个时间段过去之后，信标将被关闭第二个时间段，之后信标再次被定期地广播。

公开(公告)号：US20060181458A1

公开(公告)日：2006-08-17

申请号：US11057874

申请日：2005-02-14

申请人： Feng Niu ,  Spyros Kyperountas ,  Qicai Shi ,  David Taubenheim

发明人： Feng Niu ,  Spyros Kyperountas ,  Qicai Shi ,  David Taubenheim

IPC分类号： G01S3/02

CPC分类号： G01S5/0289

摘要： A method and apparatus for determining the location of a node within a communication system is provided herein. During operation, reference nodes (105) having known locations are utilized to locate “blind” nodes (104) whose location is to be determined. More particularly, a blind node (104) wishing to determine its location will measure a plurality of path losses between itself and a plurality of reference nodes (105). These reference nodes' locations will then be mathematically weighted by the path loss between these reference nodes (105) and the blind node (104). The location of the blind node (104) is a sum of the mathematically weighted reference nodes' locations.

摘要翻译： 本文提供了一种用于确定通信系统内的节点的位置的方法和装置。 在操作期间，使用具有已知位置的参考节点（105）来定位其位置要确定的“盲”节点（104）。 更具体地，希望确定其位置的盲节点（104）将测量其自身与多个参考节点（105）之间的多个路径损耗。 然后，这些参考节点的位置将被这些参考节点（105）和盲节点（104）之间的路径损耗进行数学加权。 盲节点（104）的位置是数学加权的参考节点的位置之和。

公开(公告)号：US20050143101A1

公开(公告)日：2005-06-30

申请号：US10747378

申请日：2003-12-29

申请人： Spyros Kyperountas ,  Oleg Andric ,  Neiyer Correal ,  Jian Huang ,  Feng Niu ,  Qicai Shi

发明人： Spyros Kyperountas ,  Oleg Andric ,  Neiyer Correal ,  Jian Huang ,  Feng Niu ,  Qicai Shi

IPC分类号： G01S19/14 ,  G01S5/02 ,  G01S19/49 ,  H04L12/56 ,  H04Q7/38 ,  H04Q7/20

CPC分类号： G01S5/0289

摘要： A method and system is provided for determining a location for each of a plurality of units, which are sub-divided into more than one sub-net groupings, that each include two or more units. Within each sub-net grouping, measured range information between units within the sub-nets and one or more reference units is gathered in at least a selected one of the units. The selected one of the units then estimates a location for each of the units, which minimizes any error in the measured ranges between the units in each of the corresponding sub-nets.

摘要翻译： 提供了一种方法和系统，用于确定多个单元中的每个单元的位置，其被细分为多于一个子网分组，每个单元包括两个或多个单元。 在每个子网分组内，子网内的单元和一个或多个参考单元之间的测量范围信息被收集在至少一个所选单元中。 所选择的一个单元然后估计每个单元的位置，这使得每个相应子网中的单元之间的测量范围中的任何误差最小化。

公开(公告)号：US20050143100A1

公开(公告)日：2005-06-30

申请号：US10747377

申请日：2003-12-29

申请人： Qicai Shi ,  Neiyer Correal ,  Paul Gorday ,  Spyros Kyperountas ,  Feng Niu

发明人： Qicai Shi ,  Neiyer Correal ,  Paul Gorday ,  Spyros Kyperountas ,  Feng Niu

IPC分类号： G01S19/11 ,  G01S5/02 ,  H04W64/00 ,  H04Q7/20

CPC分类号： H04W64/00 ,  G01S5/02 ,  G01S5/0289

摘要： A method and system is provided for determining a location for each of a plurality of units, which is selected from one of multiple sets of locations, which are each estimated based upon different initial location estimates. The selected set of locations includes the set which has the minimum error value, where the error value is based on the aggregate of the differences between the range determined from the estimated locations and the measured range. By using different sets of initial location estimates, there is a greater chance that at least one of the sets of initial location estimates will avoid any local minimums and produce a more accurate estimate of unit locations.

摘要翻译： 提供了一种方法和系统，用于确定多个单元中的每一个的位置，所述单元从多个位置集合中的一个组中选择，每个单元基于不同的初始位置估计来估计。 所选择的一组位置包括具有最小误差值的集合，其中误差值基于从估计位置确定的范围与测量范围之间的差异的总和。 通过使用不同的初始位置估计集合，初始位置估计集合中的至少一个将避免任何局部最小值并且对单位位置产生更准确的估计的可能性更大。

公开(公告)号：US20230287557A1

公开(公告)日：2023-09-14

申请号：US17691537

申请日：2022-03-10

申请人： Yimin Hu ,  Feng Niu ,  Wei Lu

发明人： Yimin Hu ,  Feng Niu ,  Wei Lu

IPC分类号： C23C14/30 ,  C23C14/08 ,  C23C28/00

CPC分类号： C23C14/30 ,  C23C14/081 ,  C23C14/083 ,  C23C28/3455

摘要： This invention provides a process or fabrication method of forming broadband anti-reflective (AR) coating over the mid-IR fluoride fiber for high power laser applications in mid-IR wavelength range. The AR coating consists of multiple-pair Lithium fluoride (LiF) and Al2O3, and was deposited by electron beam physical vapor deposition with an iron assistant source at low temperature (

公开(公告)号：US09828673B2

公开(公告)日：2017-11-28

申请号：US14492269

申请日：2014-09-22

申请人： Feng Niu ,  Peter Chow

发明人： Feng Niu ,  Peter Chow

IPC分类号： C23C16/18 ,  C23C16/44 ,  C23C16/455

CPC分类号： C23C16/45536 ,  C23C16/18 ,  C23C16/4402

摘要： This invention provides a method and a system to deposit a thin layer of very reactive metals by plasma enhanced atomic layer deposition (PEALD). The very reactive metals, selected from the highly electropositive elements include alkaline earth metals, group III metals, and some transition and rare earth metals. The method is comprised of sequentially pulsing one of above mentioned metal containing organometallic precursors and a hydrogen plasma as a reducing agent into a high vacuum reaction chamber containing a substrate surface with pulsed or continuous flow of an inert purge gas between each pulsing step. The system comprising a very high efficiency H plasma source, the high vacuum reactor chamber, an anti-corrosion turbo pump and a high vacuum load lock is required for reducing contaminant gases such as O2, H2O, and CO2, and for increasing hydrogen plasma efficiency.

公开(公告)号：US08996559B2

公开(公告)日：2015-03-31

申请号：US14058184

申请日：2013-10-18

申请人： Venkatesh Ganti ,  Aaron Kalb ,  Feng Niu ,  Satyen Sangani

发明人： Venkatesh Ganti ,  Aaron Kalb ,  Feng Niu ,  Satyen Sangani

IPC分类号： G06F17/30

CPC分类号： G06F17/30554 ,  G06F17/30292 ,  G06F17/30309 ,  G06F17/30646

摘要： Disclosed are a method, a device and/or a system of assisted query formation, validation, and result previewing in a database having a complex schema. In one aspect, a method of a query editor includes generating a data profile which includes a set of characteristics captured at various granularities of an initial result set generated from an initial query using a processor and a memory. The method determines what a user expects in the initial result set of the initial query and/or a subsequent result set of a subsequent query based on the data profile and/or a heuristically estimated data profile. The method includes enabling the user to evaluate a semantic accuracy of the subsequent query based on the likely expectation of the user as determined through the set of characteristics of the data profile. The set of characteristics may include metadata of the initial query.

公开(公告)号：US08965915B2

公开(公告)日：2015-02-24

申请号：US14058189

申请日：2013-10-18

申请人： Venkatesh Ganti ,  Aaron Kalb ,  Feng Niu ,  Satyen Sangani

发明人： Venkatesh Ganti ,  Aaron Kalb ,  Feng Niu ,  Satyen Sangani

IPC分类号： G06F17/30

CPC分类号： G06F17/30554 ,  G06F17/30292 ,  G06F17/30309 ,  G06F17/30646

摘要： Disclosed are a method, a device and/or a system of assisted query formation, validation, and result previewing in a database having a complex schema. In one aspect, a method of a query editor includes generating a data profile which includes a set of characteristics captured at various granularities of an initial result set generated from an initial query using a processor and a memory. The method determines what a user expects in the initial result set of the initial query and/or a subsequent result set of a subsequent query based on the data profile and/or a heuristically estimated data profile. The method includes enabling the user to evaluate a semantic accuracy of the subsequent query based on the likely expectation of the user as determined through the set of characteristics of the data profile. The set of characteristics may include metadata of the initial query.

摘要翻译： 公开了具有复杂模式的数据库中的辅助查询形成，验证和结果预览的方法，设备和/或系统。 一方面，一种查询编辑器的方法包括生成数据简档，其包括使用处理器和存储器从初始查询生成的初始结果集的各种粒度捕获的一组特征。 该方法基于数​​据简档和/或启发式估计的数据简档确定初始查询的初始结果集中的用户期望值和/或后续查询的后续结果集。 该方法包括使得用户能够基于通过数据简档的特征集确定的用户的可能期望来评估后续查询的语义准确性。 该特征集可以包括初始查询的元数据。