公开(公告)号：US20130260754A1

公开(公告)日：2013-10-03

申请号：US13792454

申请日：2013-03-11

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Seong Chul CHO ,  Hyung Jin KIM ,  Gweon Do JO ,  Seung Hwan LEE

IPC: H04W52/02

CPC classification number: H04W52/0206 ,  Y02D70/00

Abstract: In a wireless communication system including a small base station and a macro base station, the small base station to perform power control may include: a user detector to detect a presence of a user terminal by monitoring whether a registration state of the user terminal served by the small base station corresponds to a registration complete state, a registration maintain state, or a registration release state; a control signal generator to generate a control signal for controlling power of at least one power device among a plurality of power devices included in a predetermined group, based on the detection result; and a control signal transmitter to transmit the control signal to the at least one power device among the plurality of power devices.

Abstract translation: 在包括小基站和宏基站的无线通信系统中，执行功率控制的小型基站可以包括：用户检测器，用于通过监视用户终端的注册状态是否由 小基站对应于注册完成状态，注册维护状态或注册释放状态; 控制信号发生器，基于检测结果生成用于控制包括在预定组中的多个功率器件中的至少一个功率器件的功率的控制信号; 以及控制信号发送器，用于将所述控制信号发送到所述多个功率器件中的所述至少一个功率器件。

公开(公告)号：US20160315686A1

公开(公告)日：2016-10-27

申请号：US15061218

申请日：2016-03-04

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae Su SONG ,  Seok SEO ,  Yun Hee CHO ,  Seung Hwan LEE ,  Seong Chul CHO

IPC: H04B7/08 ,  H01Q21/20 ,  H04B7/04

CPC classification number: H04B7/086 ,  H01Q3/446 ,  H01Q19/32 ,  H01Q21/205 ,  H04B7/0491 ,  H04B7/0848

Abstract: Provided is an antenna apparatus equipped with a single RF chain. The antenna apparatus includes: a combiner configured to divide omnidirectional space into N sectors to perform a sector sweep, combine a reception signal received via the single RF chain for each sector and calculate a gain of a composite signal; a comparator configured to determine a gain magnitude of the composite signal; and a controller configured to perform a beam-forming according to a comparison result of the gain magnitude of the comparator.

Abstract translation: 提供了配备有单个RF链的天线装置。 天线装置包括：组合器，被配置为将全向空间划分成N个扇区以执行扇区扫描，组合经由每个扇区经由单个RF链接收的接收信号，并计算复合信号的增益; 比较器，被配置为确定复合信号的增益幅度; 以及控制器，被配置为根据比较器的增益幅度的比较结果来执行波束形成。

公开(公告)号：US20160218424A1

公开(公告)日：2016-07-28

申请号：US14996634

申请日：2016-01-15

Applicant: Electronics and Telecommunications Research Institute

Inventor： Yong Ho LEE ,  Jung Hoon OH ,  Seung Hwan LEE ,  Jung Nam LEE ,  Gweon Do JO ,  Young Kyun CHO

IPC: H01Q1/50 ,  H01Q21/06

CPC classification number: H01Q19/32 ,  H01Q1/243

Abstract: Disclosed are an array antenna device based on a single RF chain and an implementation method thereof. The method includes: defining a modulation technique of a data stream of to be transmitted; defining an operating frequency and an implemented antenna structure parameter based on the defined modulation technique; randomly selecting a load combination by searching all load combinations implementable with respect to parasitic elements of an array antenna; evaluating power and a phase error for a basis pattern based on the modulation technique with respect to the selected load combination; and implementing the array antenna based on one or more selected load combinations according to evaluation results of the power and phase error for all load combinations.

Abstract translation: 公开了一种基于单个RF链的阵列天线装置及其实现方法。 该方法包括：定义要发送的数据流的调制技术; 基于所定义的调制技术定义工作频率和实现的天线结构参数; 通过搜索关于阵列天线的寄生元件可实现的所有负载组合来随机选择负载组合; 基于相对于所选择的负载组合的调制技术的基准模式的功率评估功率和相位误差; 并且根据所有负载组合的功率和相位误差的评估结果，基于一个或多个所选择的负载组合来实现阵列天线。

公开(公告)号：US20130260755A1

公开(公告)日：2013-10-03

申请号：US13837380

申请日：2013-03-15

Applicant: Electronics and Telecommunications Research Institute

Inventor： Seok SEO ,  Seung Hwan LEE ,  Dong Seung KWON

IPC: H04W52/02

CPC classification number: H04W52/0206 ,  Y02D70/00

Abstract: In a wireless communication system, a base station to perform power control may include: a user detector to detect a presence of a user terminal by monitoring whether a registration state of the user terminal served by the base station corresponds to a registration complete state, a registration maintain state, or a registration release state; a control signal generator to generate a control signal for controlling power of at least one power device among a plurality of power devices included in a predetermined group, based on the detection result; and a control signal transmitter to transmit the control signal to the at least one power device among the plurality of power devices.

Abstract translation: 在无线通信系统中，执行功率控制的基站可以包括：用户检测器，用于通过监视由基站服务的用户终端的注册状态是否对应于注册完成状态来检测用户终端的存在， 注册维护状态或注册发布状态; 控制信号发生器，基于检测结果生成用于控制包括在预定组中的多个功率器件中的至少一个功率器件的功率的控制信号; 以及控制信号发送器，用于将所述控制信号发送到所述多个功率器件中的所述至少一个功率器件。