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公开(公告)号：US09832720B2
公开(公告)日：2017-11-28
申请号：US14735325
申请日：2015-06-10
Inventor： Dong Jin Shin , Seung-Hwan Lee
CPC classification number: H04W48/20 , H04W72/087
Abstract: A system for selecting a wireless resource that is interworked with a terminal and one or more base stations selects a base station for the terminal based on received subjective quality of experience and pre-stored quality reference information and transmits information on the selected base station as wireless resource information to the terminal, when the system receives quality of service (QoS) information, which is objective quality information, of a wireless section and terminal information from the terminal, in order to select any one base station.
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2.发明授权公开(公告)号：US08934905B2
公开(公告)日：2015-01-13
申请号：US13718520
申请日：2012-12-18
Inventor： Yunhee Cho , Jae Su Song , Seung-Hwan Lee
Abstract: Disclosed are a multimode terminal that may simultaneously enhance utilization of a device and efficiency of a network by enabling a mobile terminal supporting a plurality of communication schemes to additionally support a relay function, and a method of relaying communication using the multimode terminal. A communication relay method of a multimode terminal according to an exemplary embodiment of the present disclosure includes: searching, by a base station, for terminals that support a plurality of communication schemes; selecting, by the base station from among the searched terminals, a relay terminal that satisfies a predetermined condition for performing a multimode relay function; requesting, by the base station, the relay terminal to perform the multimode relay function; and relaying, by the relay terminal in response to the request of the base station, communication between the base station and a target terminal.
Abstract translation: 公开了一种多模终端，其可以通过支持支持多个通信方案的移动终端额外支持中继功能来同时增强设备的利用和网络的效率，以及使用多模终端中继通信的方法。 根据本公开的示例性实施例的多模终端的通信中继方法包括：由基站搜索支持多个通信方案的终端; 由所述基站从所搜索的终端中选择满足用于执行多模式中继功能的预定条件的中继终端; 由基站请求中继终端执行多模中继功能; 并且由中继终端响应于基站的请求中继基站与目标终端之间的通信。
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3.发明申请公开(公告)号：US20140355704A1
公开(公告)日：2014-12-04
申请号：US14041632
申请日：2013-09-30
Inventor： Juyul LEE , Keun Young KIM , Seong Chul CHO , Seung-Hwan Lee
IPC: H04B7/04
CPC classification number: H04B7/026 , H04B7/0426 , H04B7/0452 , H04B7/0617
Abstract: A method of connecting base stations by a one-way cooperative channel forming a beam is provided. Since it is possible to determine directions of beams and to distribute power components by small amounts of calculations, it is possible to realize the base stations in a one-way cooperative situation with small expenses. In addition, the base stations according to the exemplary embodiment of the present invention may minimize the influence of interference generated by signals transmitted by other base stations through the one-way cooperative channel and the influence of interference generated by signals transmitted to other terminals.
Abstract translation: 提供了一种通过形成光束的单向协作通道来连接基站的方法。 由于可以通过少量的计算来确定波束的方向和分配功率分量，所以可以以小的费用在单向协作状态下实现基站。 此外，根据本发明的示例性实施例的基站可以最小化由其他基站通过单向协作信道发送的信号产生的干扰的影响以及由发送到其他终端的信号产生的干扰的影响。
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公开(公告)号：US09693357B2
公开(公告)日：2017-06-27
申请号：US14258099
申请日：2014-04-22
Inventor： Yunhee Cho , Seok Seo , Jae Su Song , Seung-Hwan Lee
CPC classification number: H04W72/082 , H04W16/04 , H04W72/0486
Abstract: In a cellular communication system including a plurality of cells, a resource allocation apparatus of a base station determines a resource division ratio of a present resource frame using a traffic load of a plurality of cells that are measured for an immediately preceding resource frame and marginal utility of each partition, divides a present resource frame into a plurality of partitions according to the determined resource division ratio, and allocates a plurality of partitions to a user.
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5.发明授权公开(公告)号：US09282584B2
公开(公告)日：2016-03-08
申请号：US13851541
申请日：2013-03-27
Inventor： Keun Young Kim , Seung-Hwan Lee , Dong Seung Kwon
CPC classification number: H04W76/14 , H04W16/26 , H04W72/0406 , H04W72/042
Abstract: Disclosed is a cellular communication system allowing direct communication between terminals within a cell or simultaneous transmission and reception of signals between a base station and the terminals through a repeater to be made by introducing a universal link, and a communication method thereof. The communication method of the cellular communication system includes: transmitting, by a base station, universal link setting information and a transmission control signal to a first terminal within a cell, transmitting, by the base station, the universal link setting information and a reception control signal to a second terminal within the cell, and directly transmitting/receiving, by the first and second terminals, signals through the universal link.
Abstract translation: 公开了允许在小区内的终端之间进行直接通信的蜂窝通信系统，以及通过引入通用链路来进行基站和终端之间的信号的同时发送和接收，以及通信方法。 蜂窝通信系统的通信方法包括：由基站将通用链路设定信息和发送控制信号发送到小区内的第一终端，由基站发送通用链路设定信息和接收控制 信号发送到小区内的第二终端，并且由第一和第二终端通过通用链路直接发送/接收信号。
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Patent Agency Ranking
公开(公告)号：US09641361B2
公开(公告)日：2017-05-02
申请号：US14542846
申请日：2014-11-17
Inventor： Seok Seo , Jinup Kim , Seung-Hwan Lee
CPC classification number: H04L25/08 , H04B1/0021 , H04L25/05
Abstract: Provided is a wireless signal receiver including: an analog-digital converter (ADC) converting an analog RF signal into a digital baseband signal; and a sub-sampling block dividing and processing the digital baseband signal into a first path signal and a second path signal, and extracting a complex baseband signal by using a relative sample delay difference between the first and second path signals, wherein the first path signal is a signal obtained by adjusting a sample delay and sampling rate of the digital baseband signal, and the second path signal is a signal obtained by filtering without adjusting the sampling rate of the digital baseband signal.
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公开(公告)号：US09112670B2
公开(公告)日：2015-08-18
申请号：US14086571
申请日：2013-11-21
Inventor： Jae Su Song , Seok Seo , Yunhee Cho , Seung-Hwan Lee
IPC: H04L5/00 , H04B17/345
CPC classification number: H04L5/0073 , H04B17/345 , H04L5/0037 , H04L5/0044 , H04L5/006 , H04L5/0069 , H04L5/0076
Abstract: A dynamic resource allocating apparatus of a first base station managing a first cell in a cellular communication system calculates an interference metric of each user terminal received by each user terminal from a plurality of neighboring cells, calculates a coupling factor between the first base station and each neighboring base station of each neighboring cell by using the interference metric and a load of each user terminal, calculates available cell boundary resources of neighboring cells by using the coupling factor with respect to each neighboring base station, and allocates resources by using the cell boundary resources allocated to the first cell and the available cell boundary resources of the neighboring cells.
Abstract translation: 管理蜂窝通信系统中的第一小区的第一基站的动态资源分配装置从多个相邻小区计算每个用户终端接收的每个用户终端的干扰度量，计算第一基站与每个用户终端之间的耦合因子 通过使用每个用户终端的干扰度量和负载来计算每个相邻小区的相邻基站，通过使用相对于每个相邻基站的耦合因子来计算相邻小区的可用小区边界资源，并且通过使用小区边界资源来分配资源 分配给相邻小区的第一小区和可用小区边界资源。
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公开(公告)号：US20150173045A1
公开(公告)日：2015-06-18
申请号：US14565569
申请日：2014-12-10
Inventor： Seung-Hwan Lee , Jae Su Song
CPC classification number: H04M1/72563 , H04W48/18 , H04W88/06
Abstract: A method and apparatus for a terminal to access a base station in a heterogeneous environment are provided. The terminal acquires RAT (Radio Access Technology) selection criteria based on reference information. Then, the terminal selects, for each service, at least one of multiple transceivers that provide access to the base station according to the RAT selection criteria, and provides the corresponding service by accessing the base station through the selected transceiver.
Abstract translation: 提供一种终端在异构环境中访问基站的方法和装置。 终端基于参考信息获取RAT（无线接入技术）选择标准。 然后，终端针对每个业务选择根据RAT选择标准提供对基站的接入的多个收发器中的至少一个，并通过所选择的收发器接入基站来提供对应的业务。
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公开(公告)号：US09584649B2
公开(公告)日：2017-02-28
申请号：US14565569
申请日：2014-12-10
Inventor： Seung-Hwan Lee , Jae Su Song
CPC classification number: H04M1/72563 , H04W48/18 , H04W88/06
Abstract: A method and apparatus for a terminal to access a base station in a heterogeneous environment are provided. The terminal acquires RAT (Radio Access Technology) selection criteria based on reference information. Then, the terminal selects, for each service, at least one of multiple transceivers that provide access to the base station according to the RAT selection criteria, and provides the corresponding service by accessing the base station through the selected transceiver.
Abstract translation: 提供一种终端在异构环境中访问基站的方法和装置。 终端基于参考信息获取RAT（无线接入技术）选择标准。 然后，终端针对每个业务选择根据RAT选择标准提供对基站的接入的多个收发器中的至少一个，并通过所选择的收发器接入基站来提供对应的业务。
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公开(公告)号：US09197988B2
公开(公告)日：2015-11-24
申请号：US13677665
申请日：2012-11-15
Inventor： Jae Su Song , Yunhee Cho , Seung-Hwan Lee , Dong Seung Kwon
IPC: H04B17/00 , H04W4/00 , H04W36/00 , H04W72/00 , H04W24/00 , H04W4/02 , H04W16/32 , H04W16/16 , H04W84/04
CPC classification number: H04W4/02 , H04W16/16 , H04W16/32 , H04W84/045 , Y02D70/00
Abstract: A method and an apparatus for controlling a femtocell base station which can effectively solve an inter-cell interference problem. A method of controlling a femtocell base station according to an exemplary embodiment includes receiving pilot signals from one or more macro cell base stations located in surroundings of a femtocell and measuring intensities of pilot signals, receiving use frequency information and pilot signal transmission power information from one or more macro cell base stations, determining a position of a femtocell within a reference macro cell according to an intensity of a reference pilot signal having a maximum signal intensity among received pilot signals, determining a use frequency of a femtocell according to a position of a femtocell, and determining a transmission power of a femtocell according to use frequency and an intensity of a reference pilot signal of a femtocell.
Abstract translation: 一种用于控制能够有效地解决小区间干扰问题的毫微微小区基站的方法和装置。 根据示例性实施例的控制毫微微小区基站的方法包括从位于毫微微小区周围的一个或多个宏小区基站接收导频信号，并测量导频信号的强度，从一个接收用户频率信息和导频信号发射功率信息 或更多个宏小区基站，根据接收到的导频信号中具有最大信号强度的参考导频信号的强度来确定参考宏小区内的毫微微小区的位置，根据接收到的导频信号的位置确定毫微微小区的使用频率 毫微微小区，以及根据毫微微小区的参考导频信号的使用频率和强度来确定毫微微小区的发射功率。
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