公开(公告)号：US20060029168A1

公开(公告)日：2006-02-09

申请号：US11240228

申请日：2005-09-30

Applicant: Justin Chuang ,  Lang Lin

Inventor： Justin Chuang ,  Lang Lin

IPC: H04L1/02

CPC classification number: H04L25/0204 ,  H04L27/2647

Abstract: Joint channel estimation and maximum likelihood decoding method for Coded Orthogonal Frequency Division Multiplexing (COFDM) systems are presented. Using this method in conjunction with convolutional coding, robust and nearly optimal coherent detection can be achieved in rapid dispersive fading channels. Significant performance gain in packet data throughput is realized in a system with aggressive frequency reuse. A method for estimating channel characteristics in a multicarrier transmission system comprising the steps of receiving a multicarrier signal, applying Fast Fourier transformations to the multicarrier signal, estimating channel characteristics of a multicarrier channel over which the multicarrier signal was transmitted using a combination of iterative processing and iterative backward processing, and decoding the transformed multicarrier signal is presented.

公开(公告)号：US20130079044A1

公开(公告)日：2013-03-28

申请号：US13702953

申请日：2010-08-18

Applicant: Lang Lin

Inventor： Lang Lin

IPC: H04W4/14

CPC classification number: H04W4/14 ,  H04L51/38 ,  H04W8/12 ,  H04W8/26 ,  H04W88/184

Abstract: The disclosure claims a method for reporting short message status and a signaling interworking gateway. The method comprises: S102, signaling interworking gateway receives status report signaling transmitted from SMSC in source network, and forwards status report signaling to HLR in target network; S104, Hub receives status report response from the HLR, and stores corresponding relationship between first target user number and second target user number in the status report response; S106, the Hub receives notification signaling from the HLR; S108, the Hub takes the user number in the notification signaling as the second target user number, searches for the corresponding first target user number according to the corresponding relationship, replaces the user number in the notification signaling with the found first target user number, and sends the first target user number to the SMSC. The disclosure realizes the short message notification mechanism in roaming.

Abstract translation: 本公开要求一种用于报告短消息状态和信令互通网关的方法。 该方法包括：S102，信令互通网关接收源网络中SMSC发送的状态报告信令，并将目标网络中的HLR转发状态报告信令; S104，Hub从HLR接收状态报告响应，并且在状态报告响应中存储第一目标用户号码和第二目标用户号码之间的对应关系; S106，Hub从HLR收到通知信令; S108，Hub将通知信令中的用户号码作为第二目标用户号码，根据对应关系搜索相应的第一目标用户号码，用所找到的第一目标用户号码替换通知信令中的用户号码， 将第一个目标用户号码发送给SMSC。 本公开实现漫游中的短消息通知机制。

公开(公告)号：US20090080575A1

公开(公告)日：2009-03-26

申请号：US12315300

申请日：2008-12-02

Applicant: Justin C. Chuang ,  Ye Li ,  Lang Lin

Inventor： Justin C. Chuang ,  Ye Li ,  Lang Lin

IPC: H04L27/06

CPC classification number: H04L25/0204 ,  H04L27/2647

Abstract: Joint channel estimation and maximum likelihood decoding method for Coded Orthogonal Frequency Division Multiplexing (COFDM) systems are presented. Using this method in conjunction with convolutional coding, robust and nearly optimal coherent detection can be achieved in rapid dispersive fading channels. Significant performance gain in packet data throughput is realized in a system with aggressive frequency reuse. A method for estimating channel characteristics in a multicarrier transmission system comprising the steps of receiving a multicarrier signal, applying Fast Fourier transformations to the multicarrier signal, estimating channel characteristics of a multicarrier channel over which the multicarrier signal was transmitted using a combination of iterative processing and iterative backward processing, and decoding the transformed multicarrier signal is presented.

公开(公告)号：US20080163314A1

公开(公告)日：2008-07-03

申请号：US11894301

申请日：2007-08-22

Applicant: Lang Lin ,  Wang Su

Inventor： Lang Lin ,  Wang Su

IPC: H04N7/173

CPC classification number: G06Q30/02 ,  H04N21/234318 ,  H04N21/440263 ,  H04N21/4438 ,  H04N21/4725

Abstract: An advanced information display method is disclosed wherein a first video having at least an image of a first element is presented, the tracking information of the first element in the first video is obtained, a second video having at least an image of the first element is obtained, the images of a second element which bears certain information to be displayed are also presented, and the images of the second element are added to the second video based on the tracking information.

Abstract translation: 公开了一种高级信息显示方法，其中呈现至少具有第一元素的图像的第一视频，获得第一视频中的第一元素的跟踪信息，具有至少第一元素的图像的第二视频是 还提供了承载要显示的某些信息的第二元素的图像，并且基于跟踪信息将第二元素的图像添加到第二视频。

公开(公告)号：US20130267250A1

公开(公告)日：2013-10-10

申请号：US13506264

申请日：2012-04-09

Applicant: Lang Lin ,  Wang Su

Inventor： Lang Lin ,  Wang Su

IPC: G06F3/01 ,  H04W4/12 ,  H04W4/02

CPC classification number: G06F3/04886 ,  G06F1/1694 ,  G06F3/017 ,  G06F3/0481 ,  G06F3/04883 ,  G06Q50/01 ,  H04W28/06

Abstract: Methods and systems for integrated consumer experience and social networking are disclosed comprising the function of presenting a communication function to facilitate communication among multiple users wherein different modes of communication are achieved through a unified process utilizing a context information. The methods and systems further comprise the functions of causing two images to be displayed wherein the two images overlap with each other, and presenting a logic to determine which one of the two images a gesture control signal is directed to. Additionally, the methods and systems can also comprise the functions of receiving a location information of a first device, receiving a location information of a second device, receiving a distance limitation from the first device, determining if the second device is within the distance limitation, and delivering a message from the first device to the second device if the second device is within the distance limitation.

公开(公告)号：US20080111661A1

公开(公告)日：2008-05-15

申请号：US11599387

申请日：2006-11-15

Applicant: Lang Lin ,  Seok Ho Kim ,  Jens Arnold ,  Mohammad Soleimani ,  Victor Hugo Molina

Inventor： Lang Lin ,  Seok Ho Kim ,  Jens Arnold ,  Mohammad Soleimani ,  Victor Hugo Molina

IPC: H04Q5/22

CPC classification number: G06K7/0008 ,  H04B5/0062 ,  H04W52/367

Abstract: Methods, systems, and apparatuses for reading tags of tag populations are described. Rather than interrogating a tag population in a single query round, interrogations of tag populations are performed using reduced transmit power levels over multiple query rounds, each query round reading a portion of the tag population. In this manner, an overall power amount expended to transmit interrogations signals is reduced, while maintaining a substantially similar read rate as in single query round interrogations.

Abstract translation: 描述了用于读取标签种群标签的方法，系统和装置。 不是在单个查询循环中询问标签群体，而是使用多个查询轮次的减少的发送功率级别来执行标签群的询问，每个轮询读取标签群的一部分。 以这种方式，减少了用于发送询问信号的总功率量，同时保持与单查询循环询问中相似的读取速率。

公开(公告)号：US08953570B2

公开(公告)日：2015-02-10

申请号：US12953078

申请日：2010-11-23

Applicant: Lang Lin ,  Chandrashekhara Harischandra ,  Deepak Khade

Inventor： Lang Lin ,  Chandrashekhara Harischandra ,  Deepak Khade

IPC: H04L12/28 ,  H04W4/00 ,  H04B7/00 ,  G01S13/87 ,  G01S13/82 ,  G06K17/00

CPC classification number: G06K17/0022 ,  G01S13/82 ,  G01S13/878 ,  G06K2017/0045

Abstract: A method of operating a radio frequency identification (RFID) system is provided. The method interrogates RFID tags with an RFID reader and provides at least some of the collected tag data to a mobile device that is unable to communicate with RFID tags using the over-the-air interface. In some situations, the RFID system obtains the current location of the mobile device and determines the location of a target tag relative to the current location of the mobile device. Locating the target tag in this manner involves the interrogation of a reference tag located at the mobile device, along with the target tag, using one RFID reader. The position of the target tag relative to the reference tag is calculated in response to the tag response signals obtained from the target and reference tags. Moreover, location of the target tag can be independently determined relative to the location of a mobile reader, by using a reference tag attached to a fixed reader or to the mobile reader.

Abstract translation: 提供了一种操作射频识别（RFID）系统的方法。 该方法用RFID读取器来询问RFID标签，并且将收集的标签数据中的至少一些提供给无法使用空中接口与RFID标签通信的移动设备。 在某些情况下，RFID系统获得移动设备的当前位置并且确定目标标签相对于移动设备的当前位置的位置。 以这种方式定位目标标签涉及使用一个RFID阅读器询问位于移动设备处的参考标签以及目标标签。 响应于从目标和参考标签获得的标签响应信号来计算目标标签相对于参考标签的位置。 此外，通过使用附接到固定阅读器或移动阅读器的参考标签，可以相对于移动阅读器的位置独立地确定目标标签的位置。

公开(公告)号：US20110102149A1

公开(公告)日：2011-05-05

申请号：US12609423

申请日：2009-10-30

Applicant: Lang Lin ,  Joe White

Inventor： Lang Lin ,  Joe White

IPC: H04Q5/22

CPC classification number: G06K7/0008 ,  G06F3/012 ,  G06K7/10079 ,  G06K2017/0045

Abstract: A method of transmitting radiofrequency identification (RFID) interrogation signals is disclosed. The method comprises detecting a first movement of a user in a first direction, determining a command from the first movement, and transmitting a RFID interrogation signal in response to the command.

Abstract translation: 公开了一种传输射频识别（RFID）询问信号的方法。 该方法包括：检测用户在第一方向上的第一移动，确定来自第一移动的命令，以及响应于该命令发送RFID询问信号。

公开(公告)号：US20090033493A1

公开(公告)日：2009-02-05

申请号：US11831167

申请日：2007-07-31

Applicant: Lang Lin ,  Victor Hugo Molina ,  Jens Arnold

Inventor： Lang Lin ,  Victor Hugo Molina ,  Jens Arnold

IPC: G08B13/14

CPC classification number: G06K7/0008

Abstract: RFID methods, systems and apparatus for writing common data (RFID information) to a plurality of RFID tags, include transmitting a common-write data signal including the common data to a plurality of RFID tags located in a broadcast field, where the plurality of RFID tags receive and respectively write the common data in internal memory of the plurality of RFID tags in accordance with a common algorithm. A common-write data signal may include common identifier data. Each of a plurality of RFID tags may generate common identifier data by controlling a random number generator of the tag. Each of a plurality of RFID tags may be pre-configured (initialized) for receiving common data and writing the common data to memory in accordance with a common algorithm. Each of a reader and a plurality of RFID tags may include common algorithm for transmitting/receiving and executing a common-write-enable command that enables a common write capability of a tag (e.g., initializes a tag for receiving a common-write data signal), and for transmitting/receiving a common-write-disable command that disables common-write capability of a tag.

Abstract translation: 用于向多个RFID标签写入通用数据（RFID信息）的RFID方法，系统和装置包括将包含公共数据的共同写入数据信号发送到位于广播场中的多个RFID标签，其中多个RFID 标签根据公共算法接收并分别将公共数据写入多个RFID标签的内部存储器中。 公共写入数据信号可以包括公共标识符数据。 多个RFID标签中的每一个可以通过控制标签的随机数生成器来生成公共标识符数据。 可以预先配置（初始化）多个RFID标签中的每一个用于接收公共数据，并根据公共算法将公共数据写入存储器。 读取器和多个RFID标签中的每一个可以包括用于发送/接收和执行共同写入使能命令的公共算法，该命令实现标签的公共写入能力（例如，初始化用于接收公共写入数据信号的标签 ），并且用于发送/接收禁用标签的共同写入能力的公共写入禁止命令。

公开(公告)号：US07460620B2

公开(公告)日：2008-12-02

申请号：US11240228

申请日：2005-09-30

Applicant: Justin C. Chuang ,  Ye Li ,  Lang Lin

Inventor： Justin C. Chuang ,  Ye Li ,  Lang Lin

IPC: H04L27/06 ,  H04L5/12

CPC classification number: H04L25/0204 ,  H04L27/2647

Abstract: Joint channel estimation and maximum likelihood decoding method for Coded Orthogonal Frequency Division Multiplexing (COFDM) systems are presented. Using this method in conjunction with convolutional coding, robust and nearly optimal coherent detection can be achieved in rapid dispersive fading channels. Significant performance gain in packet data throughput is realized in a system with aggressive frequency reuse. A method for estimating channel characteristics in a multicarrier transmission system comprising the steps of receiving a multicarrier signal, applying Fast Fourier transformations to the multicarrier signal, estimating channel characteristics of a multicarrier channel over which the multicarrier signal was transmitted using a combination of iterative processing and iterative backward processing, and decoding the transformed multicarrier signal is presented.

Abstract translation: 提出了编码正交频分复用（COFDM）系统的联合信道估计和最大似然解码方法。 使用这种方法结合卷积编码，可以在快速色散衰落通道中实现鲁棒和近似最佳的相干检测。 在具有激进频率重用的系统中实现了分组数据吞吐量的显着性能增益。 一种用于估计多载波传输系统中的信道特性的方法，包括以下步骤：接收多载波信号，对所述多载波信号应用快速傅里叶变换，使用迭代处理和迭代处理的组合估计多载波信号的传输的信道特性， 呈现迭代反向处理和解码变换后的多载波信号。