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公开(公告)号：US09219513B2
公开(公告)日：2015-12-22
申请号：US14086451
申请日：2013-11-21
Inventor： Ju Derk Park , Ho Yong Kang , In Hwan Lee , Cheo Sig Pyo
IPC: H04B1/3827 , H01Q1/24 , H01Q1/38
CPC classification number: H04B1/3827 , H01Q1/243 , H01Q1/38
Abstract: Disclosed is a wireless communication system. The wireless communication system includes an embedded-type antenna embedded in a base, and a wireless communication unit including a communication unit that is connected to the embedded-type antenna and exchanges information with an external device, and a housing that is arranged to surround the communication unit, wherein at least one of the communication unit and the housing performs transmission and reception of electric waves as a substitute of the embedded-type antenna.
Abstract translation: 公开了一种无线通信系统。 无线通信系统包括埋设在基座中的嵌入式天线，以及无线通信单元，其包括连接到嵌入式天线并与外部设备交换信息的通信单元，以及外壳， 通信单元，其中通信单元和外壳中的至少一个执行电波的发送和接收作为嵌入式天线的替代。
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公开(公告)号：US08868017B2
公开(公告)日：2014-10-21
申请号：US13716443
申请日：2012-12-17
Inventor： Hoyong Kang , Nguyen Trung Kien , Se Han Kim , Tae Joon Park , Wun-Cheol Jeong , Chang Sub Shin , In Hwan Lee , Cheol Sig Pyo
CPC classification number: H04B17/0057 , H02M7/23 , H03F3/45071 , H03F3/45179 , H03F3/45183 , H03F3/45475 , H03F3/45659 , H03F3/45973 , H03F2203/45008 , H03F2203/45082 , H03F2203/45138 , H04B17/318
Abstract: A received signal strength indicator is provided. The received signal strength indicator includes a plurality of differential amplifiers forming an amplifier chain for amplifying differential signals and a plurality of rectifiers for rectifying signals output from the plurality of differential amplifiers and the differential signals, and a low pass filter for combining the signals rectified by the plurality of rectifiers to output received signal strength. Each rectifier includes a class AB voltage-current converter for converting a differential voltage into a current, and two triode transistors.
Abstract translation: 提供接收到的信号强度指示器。 接收信号强度指示器包括多个差分放大器，其形成用于放大差分信号的放大器链和用于整流从多个差分放大器和差分信号输出的信号的多个整流器;以及低通滤波器，用于将由 多个整流器输出接收信号强度。 每个整流器包括用于将差分电压转换成电流的AB类电压 - 电流转换器和两个三极管晶体管。
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3.发明申请公开(公告)号：US20140153587A1
公开(公告)日：2014-06-05
申请号：US14056359
申请日：2013-10-17
Inventor： Tae Joon PARK , Hoyong Kang , Wun-Cheol Jeong , Chang Sub Shin , In Hwan Lee , Cheol Sig Pyo
IPC: H04J13/00
CPC classification number: H04L1/004 , H04L1/0071
Abstract: A method and apparatus for encoding a constant amplitude that is applied to a code division multiplexing communication system are provided. By dividing a data bit into a block unit, the receiving side can easily determine an error, and by reducing power consumption in outdoor wide area communication using a bit string of a small length in a basic unit of an input frame, efficiency can be improved, and thus a physical layer of a ubiquitous sensor network can be optimized.
Abstract translation: 提供了一种用于对应用于码分复用通信系统的恒定幅度进行编码的方法和装置。 通过将数据位分割为块单位，接收侧可以容易地确定错误，并且通过使用输入帧的基本单位中的小长度的位串减少户外广域通信中的功耗，可以提高效率 ，因此可以优化普遍存在的传感器网络的物理层。
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4.发明授权公开(公告)号：US09300433B2
公开(公告)日：2016-03-29
申请号：US14056359
申请日：2013-10-17
Inventor： Tae Joon Park , Hoyong Kang , Wun-Cheol Jeong , Chang Sub Shin , In Hwan Lee , Cheol Sig Pyo
CPC classification number: H04L1/004 , H04L1/0071
Abstract: A method and apparatus for encoding a constant amplitude that is applied to a code division multiplexing communication system are provided. By dividing a data bit into a block unit, the receiving side can easily determine an error, and by reducing power consumption in outdoor wide area communication using a bit string of a small length in a basic unit of an input frame, efficiency can be improved, and thus a physical layer of a ubiquitous sensor network can be optimized.
Abstract translation: 提供了一种用于对应用于码分复用通信系统的恒定幅度进行编码的方法和装置。 通过将数据位分割为块单位，接收侧可以容易地确定错误，并且通过使用输入帧的基本单位中的小长度的位串减少户外广域通信中的功耗，可以提高效率 ，因此可以优化普遍存在的传感器网络的物理层。
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5.发明申请公开(公告)号：US20140153551A1
公开(公告)日：2014-06-05
申请号：US14056448
申请日：2013-10-17
Inventor： Tae Joon PARK , Hoyong Kang , Wun-Cheol Jeong , Chang Sub Shin , In Hwan Lee , Cheol Sig Pyo
CPC classification number: H04L5/003 , H04W52/0216 , H04W74/04 , Y02D70/144 , Y02D70/166
Abstract: A method and apparatus for allocating a management resource of a channel of a node that is included in a wireless personal area network (WPAN) are provided. A resource of a channel performs communication with a specific node using a multi-superframe including a plurality of superframes, limits a position area of a time slot including a channel that is allocated to communication with a specific node to a predetermined superframe of the plurality of superframes, gives a logical connection ID to the time slot, and is allocated by matching the logical connection ID and a management resource that manages the time slot.
Abstract translation: 提供了一种用于分配无线个域网（WPAN）中包括的节点的信道的管理资源的方法和装置。 信道的资源使用包括多个超帧的多超帧来执行与特定节点的通信，将包括分配给与特定节点通信的信道的时隙的位置区域限制为多个超帧中的预定超帧 超帧，给出时隙的逻辑连接ID，并通过匹配逻辑连接ID和管理时隙的管理资源进行分配。
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Patent Agency Ranking
公开(公告)号：US10309077B2
公开(公告)日：2019-06-04
申请号：US15361098
申请日：2016-11-25
Inventor： Eun Hee Kim , Ju Derk Park , In Hwan Lee , Ho Yong Kang , Jae Heum Lee
Abstract: Disclosed is a manhole type omnidirectional antenna having a relatively small angle between a main beam direction and the Earth's surface and exhibiting omnidirectional characteristics to allow long-range communication, wherein the manhole type omnidirectional antenna includes a manhole cover installed in a manhole in the Earth's surface; a main body installed in a cavity of an upper surface of the manhole cover and configured to convert an electrical signal into an electromagnetic wave to wirelessly communicate with a gateway separated from the manhole cover; and a radome inserted into the cavity to cover the main body.
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公开(公告)号：US10136424B2
公开(公告)日：2018-11-20
申请号：US14383019
申请日：2013-03-08
Inventor： Wun Cheol Jeong , Chang Sub Shin , Tae Joon Park , Ho Yong Kang , In Hwan Lee , Cheol Sig Pyo
Abstract: A method of configuring a multi-superframe is provided. The method includes setting at least one parameter for configuring the multi-superframe, and configuring the multi-superframe corresponding to the at least one parameter, wherein the at least one parameter includes a superframe order (SO), a beacon order (BO), and a multi-superframe order (MO), in a form of positive integers, and the setting includes setting the MO to have a value higher than the BO.
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公开(公告)号：US12075374B2
公开(公告)日：2024-08-27
申请号：US17511095
申请日：2021-10-26
Inventor： In Hwan Lee , Dong Hyun Ahn , Hyung Seok Chung
IPC: H04W56/00
CPC classification number: H04W56/001 , H04W56/004
Abstract: A synchronization method performed by a first communication node may include: receiving, from a second communication node of the communication system, a first synchronization information signal including information on a first synchronization reference time and information on a first offset; identifying information on a first time at which the first synchronization information signal is transmitted and information on a target synchronization time configured by the second communication node, based on the information included in the first synchronization information signal; setting a synchronization timer based on the information on the first offset; and when the synchronization timer expires, determining that time synchronization with the second communication node is acquired.
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公开(公告)号：US10333222B2
公开(公告)日：2019-06-25
申请号：US15484449
申请日：2017-04-11
Inventor： Eun Hee Kim , Ju Derk Park , In Hwan Lee , Ho Yong Kang , Jae Heum Lee
Abstract: Provided is a method of improving a bandwidth of an antenna using a transmission line stub to enable long-range communication together with broadband matching. According to the method, it is possible to combine a transmission line stub in series or parallel with a feeding point, which is an antenna signal input/output point of a body serving as an antenna, and apply the transmission line stub to an antenna for wide use.
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10.发明授权公开(公告)号：US09241319B2
公开(公告)日：2016-01-19
申请号：US14065459
申请日：2013-10-29
Inventor： Tae Joon Park , Chang Sub Shin , Wun-Cheol Jeong , Hoyong Kang , In Hwan Lee , Cheol Sig Pyo
IPC: H04W56/00
CPC classification number: H04W56/001
Abstract: A multi-channel wireless network acquires reference time information that is commonly applied to all multi-channels and acquires packet receiving time information of a received packet on each channel basis based on the reference time information by spreading and applying the reference time information to each channel.
Abstract translation: 多信道无线网络获取通常应用于所有多信道的参考时间信息，并且基于参考时间信息在每个信道基础上获取接收分组的分组接收时间信息，并通过扩频并将参考时间信息应用于每个信道 。
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