公开(公告)号：US08332139B2

公开(公告)日：2012-12-11

申请号：US12831561

申请日：2010-07-07

申请人： Tae-Han Bae ,  Eun-Tae Won ,  Jae-Seung Son ,  Do-Young Kim

发明人： Tae-Han Bae ,  Eun-Tae Won ,  Jae-Seung Son ,  Do-Young Kim

IPC分类号： G01C21/30

CPC分类号： H04W4/02 ,  G01C21/00 ,  G01C21/206 ,  H04B10/1149 ,  H04B10/116

摘要： A method for switching a mode by a terminal in a Location Based Service (LBS) system based on Visible Light Communication (VLC). The method includes determining whether a visible light signal is received, and if so, determining whether the visible light signal is received from a transmission device; if the visible light signal is received, receiving data using the visible light signal; acquiring identification information of the transmission device from the received data; comparing location information corresponding to the identification information of the transmission device with pre-stored map information; and displaying map data corresponding to the location information.

摘要翻译： 一种基于可见光通信（VLC）的基于位置的服务（LBS）系统中的终端切换模式的方法。 该方法包括确定是否接收到可见光信号，如果是，则确定是否从发送设备接收到可见光信号; 如果可见光信号被接收，则使用可见光信号接收数据; 从所接收的数据中获取发送装置的识别信息; 将与发送装置的识别信息对应的位置信息与预先存储的地图信息进行比较; 并显示与位置信息对应的地图数据。

公开(公告)号：US08295705B2

公开(公告)日：2012-10-23

申请号：US12486184

申请日：2009-06-17

申请人： Do-Young Kim ,  Dae-Seok Kim ,  Eun-Tae Won

发明人： Do-Young Kim ,  Dae-Seok Kim ,  Eun-Tae Won

IPC分类号： H04B10/00

CPC分类号： H04W28/16 ,  H04B10/1149 ,  H04B10/116 ,  H04W4/08 ,  H04W64/00 ,  H04W72/0446

摘要： A time-sharing Visible Light Communication (VLC) system is provided. Two or more light sources transmit data received from one or more VLC terminals located in its service area to a communication control device, and transmits data received from the communication control device to the one or more VLC terminals. The communication control device determines and groups at least one of the two or more light sources to be included in a cell according to a generated user service, maps the grouped at least one light source to the cell, allocates a time slot used to provide the user service to the cell, transmits data associated with the user service to at least one of the one or more VLC terminals through the at least one light source mapped to the cell using the allocated time slot, detects a location of the at least one VLC terminal located in a service area of the cell on a real-time basis, and remaps the cell according to the detected location.

摘要翻译： 提供分时可见光通信（VLC）系统。 两个以上的光源从位于其服务区域的一个或多个VLC终端接收的数据发送到通信控制装置，并将从通信控制装置接收的数据发送到一个或多个VLC终端。 通信控制装置根据生成的用户服务来确定和组合要包括在小区中的两个或更多个光源中的至少一个，将分组的至少一个光源映射到小区，分配用于提供 向小区的用户服务，通过使用分配的时隙映射到小区的至少一个光源将与用户服务相关联的数据发送到一个或多个VLC终端中的至少一个，检测至少一个VLC的位置 终端实时地位于小区的服务区域中，并且根据检测到的位置重新映射小区。

公开(公告)号：US20120119902A1

公开(公告)日：2012-05-17

申请号：US13318240

申请日：2010-04-29

申请人： Ranjeet Kumar Patro ,  Ashutosh Bhatia ,  Arun Naniyat ,  Thenmozhi Arunan ,  Eun-Tae Won ,  Seung-Hoon Park

发明人： Ranjeet Kumar Patro ,  Ashutosh Bhatia ,  Arun Naniyat ,  Thenmozhi Arunan ,  Eun-Tae Won ,  Seung-Hoon Park

IPC分类号： G08B23/00

CPC分类号： H04L12/12 ,  H04W4/80 ,  H04W4/90 ,  H04W52/0238 ,  H04W76/50 ,  H04W84/18 ,  Y02D70/142 ,  Y02D70/144 ,  Y02D70/146 ,  Y02D70/162 ,  Y02D70/26

摘要： The present invention provides an integrated medium access control for processing respectively separated traffic situation sets. Another aim of the present invention is to optimize power consumption during a poll based operation of the medium access control mechanism. An additional aim of the present invention is to provide a poll-based error recovery mechanism for achieving preferred application reliability through power- and cost-efficient methods. A further aim of the present invention is to provide an in-band wakeup method for a medical implant device in a human body area network. Still a further aim of the present invention is to provide a method for a medical implant device in a human body area network. An even further aim of the present invention is to provide a method for simultaneously accessing a power channel of a poll-based minimum level and operating a plurality of BANs in medical implant communications.

摘要翻译： 本发明提供了一种用于处理分离的交通情况集合的综合介质访问控制。 本发明的另一个目的是在介质访问控制机构的基于轮询的操作期间优化功耗。 本发明的另一个目的是提供一种基于轮询的错误恢复机制，以通过功率和成本有效的方法实现优选的应用可靠性。 本发明的另一个目的是提供一种用于人体区域网络中的医疗植入装置的带内唤醒方法。 本发明的另一个目的是提供一种用于人体区域网络中的医疗植入装置的方法。 本发明的另一个目的是提供一种用于同时访问基于投票的最小电平的功率信道并且在医学植入通信中操作多个BAN的方法。

公开(公告)号：US20120008959A1

公开(公告)日：2012-01-12

申请号：US13233736

申请日：2011-09-15

申请人： Jae-Seung SON ,  Do-Young Kim ,  Eun-Tae Won ,  Tae-Han Bae ,  Young-Kwon Cho ,  Sun-Gi Gu

发明人： Jae-Seung SON ,  Do-Young Kim ,  Eun-Tae Won ,  Tae-Han Bae ,  Young-Kwon Cho ,  Sun-Gi Gu

IPC分类号： H04B10/00 ,  H04J14/08

CPC分类号： H04B10/116 ,  H04B10/1149

摘要： A method and apparatus for supporting mobility of a mobile terminal in a Visible Light Communication (VLC) system. The method includes searching, by the VLC device, for a first mobile terminal in a plurality of cells; locating the first mobile terminal in a first cell among the plurality of cells; exchanging data with the first mobile using a light source of the first cell; determining whether a response signal corresponding to data reception is received from the first mobile terminal in the first cell; searching for the first mobile terminal in a neighboring cell of the first cell, if the response signal is not received; and determining the neighboring cell as a second cell for visible light activation, if the first mobile terminal is located in the neighboring cell.

摘要翻译： 一种用于支持可见光通信（VLC）系统中的移动终端的移动性的方法和装置。 该方法包括：通过VLC设备搜索多个小区中的第一移动终端; 将所述第一移动终端定位在所述多个小区中的第一小区中; 使用第一小区的光源与第一移动台交换数据; 确定是否从所述第一小区中的所述第一移动终端接收到对应于数据接收的响应信号; 如果没有接收到响应信号，则在第一小区的相邻小区中搜索第一移动终端; 以及如果所述第一移动终端位于所述相邻小区中，则将所述相邻小区确定为用于可见光激活的第二小区。

公开(公告)号：US20100284697A1

公开(公告)日：2010-11-11

申请号：US12776087

申请日：2010-05-07

申请人： Tae-Han BAE ,  Jae-Seung Son ,  Eun-Tae Won ,  Do-Young Kim

发明人： Tae-Han BAE ,  Jae-Seung Son ,  Eun-Tae Won ,  Do-Young Kim

IPC分类号： H04B10/00

CPC分类号： H04B10/116 ,  H04B10/1149

摘要： A method and apparatus for generating a visible signal to enable a user to confirm the amount of data transmission in Visible Light Communication (VLC) are provided. The apparatus previously acquires amount information of data which is to transmit or receive, and acquires the ratio of the amount of data transmitted to a receiving-side VLC device from a transmitting VLC device or the amount of data transmitted from the transmitting-side VLC device received by the receiving VLC device to the total amount of data. The apparatus determines a visible light output pattern corresponding to the data ratio and generates visible light of the determined output pattern.

摘要翻译： 提供了一种用于生成可见信号以使用户能够确认可见光通信（VLC）中的数据传输量的方法和装置。 该设备先前获取要发送或接收的数据的量信息，并且获取从发送VLC设备发送到接收侧VLC设备的数据量的比率或从发送侧VLC设备发送的数据量 由接收的VLC设备接收到的总数据量。 该装置确定对应于数据比率的可见光输出模式并产生所确定的输出模式的可见光。

公开(公告)号：US20090109913A1

公开(公告)日：2009-04-30

申请号：US12257441

申请日：2008-10-24

申请人： Eun-Tae Won ,  Jong-Hoon Ann ,  Jae-Seung Son

发明人： Eun-Tae Won ,  Jong-Hoon Ann ,  Jae-Seung Son

IPC分类号： H04W28/16

CPC分类号： H04W72/087

摘要： A method for transmitting/receiving data between first and second terminals in which data can be transmitted flexibly in each particular situation, i.e. according to the network environment of terminals between which visible light communication occurs, including the type and characteristics of transmitted data. The method includes the steps of: (a) connecting a communication link between a first terminal supposed to transmit data and a second terminal supposed to receive data; (b) determining a data transmission rate to be used for data communication; (c) allocating a transmission channel of a specific band within a frequency band enabling wireless communication; (d) establishing a data transmission environment based on consideration of the transmission rate and the transmission channel; and (e) conducting data communication between the first and second terminals with reference to the data transmission environment.

摘要翻译： 一种在第一和第二终端之间发送/接收数据的方法，其中可以在每个特定情况下灵活地发送数据，即根据发生可见光通信的终端的网络环境，包括发送数据的类型和特性。 该方法包括以下步骤：（a）连接假想发送数据的第一终端和假定接收数据的第二终端之间的通信链路; （b）确定要用于数据通信的数据传输速率; （c）在能够进行无线通信的频带内分配特定频带的传输信道; （d）基于对传输速率和传输信道的考虑建立数据传输环境; 和（e）参照数据传输环境在第一和第二终端之间进行数据通信。

公开(公告)号：US20090041476A1

公开(公告)日：2009-02-12

申请号：US12189364

申请日：2008-08-11

申请人： Jong-Hoon Ann ,  Jae-Seung Son ,  Eun-Tae Won

发明人： Jong-Hoon Ann ,  Jae-Seung Son ,  Eun-Tae Won

IPC分类号： H04B10/06

CPC分类号： H04B10/1121

摘要： Disclosed is a method for processing incoming signals of photo-detectors in a visible light communication system. The method includes: dividing symbol duration into divided durations according to an equal time interval to set the divided durations to a plurality of time slots, the symbol duration being a time required to transmit one of a symbol and a bit; receiving visible light signals through a photodiode array in a receiver; determining a gain value of each of the photodiodes during a time slot, in consideration of each photodiode area on the photodiode array during the time slot and the time slot position within the symbol duration; multiplying a gain value of each of the photodiodes by an output value of a corresponding photodiode; and summing up output values of each of the photodiodes by which the gain value has been multiplied and calculating a total of output values of the time slot.

摘要翻译： 公开了一种在可见光通信系统中处理光电检测器的输入信号的方法。 该方法包括：根据相等的时间间隔将符号持续时间划分为划分的持续时间，以将分配的持续时间设置为多个时隙，该符号持续时间是发送符号和比特之一所需的时间; 通过接收器中的光电二极管阵列接收可见光信号; 在时隙期间考虑光电二极管阵列上的每个光电二极管区域以及符号持续时间内的时隙位置来确定时隙期间每个光电二极管的增益值; 将每个光电二极管的增益值乘以相应光电二极管的输出值; 以及对增益值已经相乘的每个光电二极管的输出值进行求和，并计算该时隙的输出值的总和。