公开(公告)号：US20140022959A1

公开(公告)日：2014-01-23

申请号：US13945451

申请日：2013-07-18

Applicant: Electronics and Telecommunications Research Institute

Inventor： Eu-Suk SHIM ,  Young-Il KIM ,  Won RYU

IPC: H04W72/04

CPC classification number: H04W72/0446 ,  H04L5/0053 ,  H04L5/1469

Abstract: A transmitter for estimating a variable frame structure using preamble signals is provided, and the transmitter includes a subcarrier location modulator configured to modulate locations of subcarriers into predetermined locations based on information about a variable frame structure in an attempt to transmit preamble signals; and an Inverse Fast Fourier Transform (IFFT) unit configured to perform IFFT on the preambles carried on the subcarriers of which locations are modulated and wirelessly transmit the preamble signals on which IFFT has been performed.

Abstract translation: 提供了一种使用前导码信号来估计可变帧结构的发射机，并且发射机包括：副载波位置调制器，被配置为基于关于可变帧结构的信息来调制子载波到预定位置的位置，以尝试发送前导码信号; 和快速傅里叶逆变换（IFFT）单元，被配置为对被调制位置的子载波上承载的前导码执行IFFT，并且无线地发送已经执行了IFFT的前导码信号。

公开(公告)号：US20210218901A1

公开(公告)日：2021-07-15

申请号：US17104289

申请日：2020-11-25

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Young-Il KIM ,  Seong Hee PARK ,  Soonyong SONG ,  Geon Min YEO ,  Il Woo LEE ,  Wun-Cheol JEONG ,  Tae-Wook HEO

IPC: H04N5/232 ,  H04N7/18 ,  G06T7/20 ,  H04N5/247

Abstract: In order to detect an unmanned aerial vehicle (UAV) in a monitoring area using a rotatable camera, an integrated sensor configures a first detection area in the monitoring area by rotating the camera after fixing the focal length of the camera to an initial value, and configures a second detection area in the monitoring area by rotating the camera after changing at least one of the focal length of the camera and a rotation path representing a distance from the origin of the monitoring area.

公开(公告)号：US20140099974A1

公开(公告)日：2014-04-10

申请号：US13944945

申请日：2013-07-18

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Sun-Sim CHUN ,  Young-Il KIM

IPC: H04W4/04

CPC classification number: H04W4/024 ,  H04W4/026 ,  H04W4/33

Abstract: Provided are an apparatus and method for measuring an indoor position of a terminal and providing the terminal with path guidance on the basis of a femtocell. The apparatus for measuring an indoor position of a terminal on the basis of a femtocell includes a femtocell base station including a plurality of sensor transmitters respectively transmitting sensor signals for locating the terminal so that the terminal receives the sensor signals and a sensor controller controlling operation of the sensor transmitters, and the terminal configured to receive the sensor signals from the plurality of sensor transmitters, find which sensor transmitters the sensor signals have been transmitted from, and calculate distances between the sensor transmitters having transmitted the sensor signals and the terminal.

Abstract translation: 提供了一种用于测量终端的室内位置并且基于毫微微小区为终端提供路径引导的装置和方法。 用于基于毫微微小区测量终端的室内位置的装置包括：毫微微小区基站，包括分别发送用于定位终端的传感器信号的多个传感器发射机，使得终端接收传感器信号;以及传感器控制器控制 传感器发射器和被配置为从多个传感器发射器接收传感器信号的终端，找到传感器信号已经被传输的哪些传感器发射器，并且计算已经传送了传感器信号的传感器发射器与终端之间的距离。

公开(公告)号：US20150172031A1

公开(公告)日：2015-06-18

申请号：US14571769

申请日：2014-12-16

Applicant: Electronics and Telecommunications Research Institute

Inventor： Geon-Min YEO ,  Young-Il KIM ,  Won RYU

IPC: H04L5/00 ,  H04W74/04

CPC classification number: H04L5/0055 ,  H04L1/1614 ,  H04W74/04 ,  H04W84/18 ,  Y02D70/144 ,  Y02D70/22

Abstract: A method of retransmitting a packet for low-power wireless sensor communications of a coordinator in a sensor network is provided. The method includes receiving packets from a plurality of sensor devices during a plurality of guaranteed time slots (GTSs) of a Contention Free Period (CFP) which are allocated to the respective sensor devices; checking whether there is an error in each of the received packets; generating one GTS Bulk ACK frame that contains pieces of ACK information to be transmitted to the respective sensor devices, according to the error check results; and transmitting the generated GTS Bulk ACK frame to the plurality of sensor devices.

Abstract translation: 提供了一种在传感器网络中重新发送用于协调器的低功率无线传感器通信的分组的方法。 该方法包括在分配给相应传感器设备的无竞争周期（CFP）的多个保证时隙（GTS）期间从多个传感器设备接收分组; 检查每个接收到的分组中是否存在错误; 根据错误检查结果生成一个包含要发送给相应传感器设备的ACK信息的GTS批量ACK帧; 以及将生成的GTS批量ACK帧发送到所述多个传感器装置。

公开(公告)号：US20140334398A1

公开(公告)日：2014-11-13

申请号：US14256566

申请日：2014-04-18

Applicant: Electronics and Telecommunications Research Institute

Inventor： Geon-Min YEO ,  Soon-Yong SONG ,  Young-Il KIM ,  Won RYU

IPC: H04W72/04

CPC classification number: H04W74/002 ,  H04W74/02 ,  Y02D70/144 ,  Y02D70/22

Abstract: A method for controlling radio resource allocation for a low power sensor communication service by a relay coordinator. The method may include configuring a frame that includes a Contention Access Period (CAP) offset and a Contention Free Period (CFP) offset of variable sizes, and an Relay Period (RP) that relays data between a Personal Area Network (PAN) coordinator and one or more lower hierarchical devices; and generating a beacon frame that includes information of the frame configuration, and transmitting the beacon frame to the one or more lower hierarchical devices; and transmitting data, which is received from the one or more lower hierarchical devices through the CFP, to the PAN coordinator through the RP, or transmitting data, which is received from the PAN coordinator through the RP, to lower hierarchical nodes through the CFP.

Abstract translation: 一种用于由中继协调器控制用于低功率传感器通信服务的无线电资源分配的方法。 该方法可以包括配置包括可变大小的竞争接入周期（CAP）偏移和无竞争周期（CFP）偏移量的帧，以及在个人局域网（PAN）协调器和 一个或多个下层分层设备; 以及生成包括所述帧配置的信息的信标帧，以及将所述信标帧发送到所述一个或多个下层设备; 以及通过所述CFP将从所述一个或多个下层设备接收的数据通过所述RP发送到所述PAN协调器，或者通过所述RP从所述PAN协调器接收的数据通过所述CFP发送到下层分级节点。

公开(公告)号：US20140013360A1

公开(公告)日：2014-01-09

申请号：US13898057

申请日：2013-05-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yeon-Joon CHUNG ,  Young-Il KIM ,  Young-Soo PARK ,  Sung-Hee KIM ,  Cheol-Hye CHO

IPC: H04N21/61 ,  H04N21/414

CPC classification number: H04N21/6131 ,  H04N21/41407 ,  H04N21/64723 ,  H04W4/06

Abstract: An apparatus and method for managing variable MBS zones in an MBS server are provided. The method variably sets an MBS zone based on a characteristic where user movement between MBS zones and content preference are changed depending on time and environment, and thereby enables a safer and faster shift of an MBS zone, thus effectively providing high-quality multimedia service in a mobile environment.

Abstract translation: 提供了一种用于管理MBS服务器中的可变MBS区域的装置和方法。 该方法基于MBS区域和内容偏好之间的用户移动根据时间和环境而改变的特性可变地设置MBS区域，从而能够更安全和更快地移动MBS区域，从而有效地提供高质量的多媒体服务 一个移动环境。