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公开(公告)号：US20150078279A1
公开(公告)日：2015-03-19
申请号：US14387998
申请日：2013-04-26
Inventor： Young Jo Ko , Jae Young Ahn , Bang Won Seo , Tae Gyun Noh
CPC classification number: H04W76/14 , H04L1/1861 , H04L1/1864 , H04L1/24 , H04L5/0055 , H04W52/242 , H04W52/383 , H04W72/14
Abstract: A device to device (D2D) communication method based on a partial device control is disclosed. According to the present invention, the D2D communication method and, particularly, to a partial device control method for D2D communication a relates to, and provides a D2D resource allocation and release method, a D2D HARQ process operating method, a link adaptation method comprising D2D link power control and adaptive modulation and coding (AMC), a D2D control information signaling method, a CSI reporting method for D2D communication, and contents of a CSI report. The present invention can enhance the advantages of and compensate for the disadvantages of both methods through the combination of a base station control a base station control type D2D communication method and a device control type D2D communication method.
Abstract translation: 公开了一种基于部分设备控制的设备到设备（D2D）通信方法。 根据本发明，D2D通信方法，特别是D2D通信的部分设备控制方法涉及D2D资源分配和释放方法，D2D HARQ过程操作方法，包括D2D的链路适配方法 链路功率控制和自适应调制编码（AMC），D2D控制信息信令方法，D2D通信的CSI报告方法以及CSI报告的内容。 本发明可以通过基站控制基站控制型D2D通信方法和设备控制类型D2D通信方法的组合来增强两种方法的缺点的优点和补偿。
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42.发明申请MULTI-INPUT AND MULTI-OUTPUT COMMUNICATION METHOD IN LARGE-SCALE ANTENNA SYSTEM 有权大规模天线系统中的多输入和多输出通信方法公开(公告)号：US20150016379A1
公开(公告)日：2015-01-15
申请号：US14379371
申请日：2013-02-25
Inventor： Jun Young Nam , Jae Young Ahn
CPC classification number: H04B7/0452 , H04B7/0456 , H04B7/0482 , H04B7/0617 , H04B7/0619 , H04B7/0634 , H04B7/0639 , H04L5/0048 , H04W72/1226
Abstract: The present invention relates to a multi-input and multi-output communication method in a large-scale antenna system. An MIMO transmission method according to the present invention includes: obtaining statistical channel information on at least one terminal, dividing terminals into a plurality of classes and a plurality of groups based on the statistical channel information, wherein the groups depend on the classes; determining a group beam-forming matrix for each of the divided groups; performing a group beamforming transmission by group based on the group beam-forming matrix to obtain instantaneous channel information; and scheduling terminals based on the instantaneous channel information. Thus, it is possible to decrease the complexity in a scheduling and precoding calculation without an increase in the amount of wireless resources that are required for providing feedback for a reference signal and channel status information.
Abstract translation: 本发明涉及大规模天线系统中的多输入多输出通信方法。 根据本发明的MIMO传输方法包括：在至少一个终端上获得统计信道信息，基于所述统计信道信息将终端划分为多个类别和多个组，其中所述组依赖于所述类别; 为每个划分的组确定组波束形成矩阵; 基于组波束形成矩阵进行群组波束成形传输，获得瞬时信道信息; 并基于瞬时信道信息调度终端。 因此，可以降低调度和预编码计算的复杂度，而不增加为参考信号和信道状态信息提供反馈所需的无线资源的量。
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43.发明申请METHOD FOR GENERATING AND TRANSMITTING A REFERENCE SIGNAL FOR UPLINK DEMODULATION IN A CLUSTERED DFT-SPREAD OFDM TRANSMISSION SCHEME 有权用于生成和发送用于聚集的DFT-SPREAD OFDM传输方案中的上行链路解调的参考信号的方法公开(公告)号：US20140016609A1
公开(公告)日：2014-01-16
申请号：US14031844
申请日：2013-09-19
Inventor： Byung Jang JEONG , Young Jo Ko , Bang-Won Seo , Jae Young Ahn
IPC: H04L5/00
CPC classification number: H04L5/0048 , H04L5/0007 , H04L27/2607 , H04L27/265 , H04W72/0413
Abstract: Disclosed is a method for generating and transmitting a reference signal in a clustered DFT-spread OFDM transmission scheme. A method for generating and transmitting a DM-RS in a clustered DFT-spread-OFDM scheme comprises: a step of generating DM-RS sequences corresponding to the number of clusters allocated for an uplink transmission; and a step of mapping the generated DM-RS sequences to the relevant DM-RS symbol positions for each cluster. Accordingly, the method for generating and transmitting a reference signal according to the present invention, in which DM-RS sequences are allocated and transmitted on a cluster basis, uses a complete DM-RS sequence for each cluster, and therefore inter-cell interference can be weakened, and problems which might occur when applied to a multi-user MIMO (MU-MIMO) scheme can be solved.
Abstract translation: 公开了一种用于在聚集的DFT扩展OFDM传输方案中产生和发送参考信号的方法。 一种用于在聚簇DFT扩展OFDM方案中产生和发送DM-RS的方法包括：产生对应于为上行链路传输分配的簇数量的DM-RS序列的步骤; 以及将生成的DM-RS序列映射到每个簇的相关DM-RS符号位置的步骤。 因此，根据本发明的基于簇分配和发送DM-RS序列的参考信号的生成和发送方法对于每个簇使用完整的DM-RS序列，因此小区间干扰可以 被削弱，并且可以解决当应用于多用户MIMO（MU-MIMO）方案时可能出现的问题。
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公开(公告)号：US12114338B2
公开(公告)日：2024-10-08
申请号：US17326237
申请日：2021-05-20
Inventor： Hee Wook Kim , Jae Young Ahn
IPC: H04W72/04 , H04W72/51 , G08G5/00 , H04W72/0453
CPC classification number: H04W72/51 , G08G5/0013 , G08G5/0069 , H04W72/0453
Abstract: A dynamic channel assignment method includes receiving, at a ground control station (GCS), assignment of a first communication channel set from a spectrum authority before takeoff of the unmanned aircraft; receiving, at the GCS, assignment of a second communication channel set when the unmanned aircraft is to move from a first area using the first communication channel set to a second area using the second communication channel set due to a flight plan of the unmanned aircraft after takeoff of the unmanned aircraft; and after the unmanned aircraft enters the second area, maintaining, at the GCS, the first communication channel set when the unmanned aircraft reenters the first area due to the flight plan, and returning, at the GCS, the first communication channel set to the spectrum authority when the unmanned aircraft does not reenter the first area due to the flight plan.
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45.发明授权公开(公告)号：US11743905B2
公开(公告)日：2023-08-29
申请号：US16928032
申请日：2020-07-14
Inventor： Young Jo Ko , Bang won Seo , Jae Young Ahn
CPC classification number: H04W72/23 , H04L1/0045 , H04L1/0061 , H04L5/001 , H04L5/0053 , H04W4/00 , H04W72/046 , H04W88/02 , H04W88/08
Abstract: Data transmission and reception is provided by configuring control channels in a wireless communication system using a plurality of carriers. User equipment (UE) may monitor physical downlink control channel (PDCCH) candidates within common search spaces (CSSs) and User Equipment-specific search spaces (USSs). If the UE is configured with cross-carrier scheduling, when two PDCCH candidates originating from a CSS and a USS, respectively, have cyclic redundancy check (CRC) scrambled by the same Radio Network Temporary Identifier (RNTI) and have a common payload size and the same first control channel element (CCE) index, the UE may interpret that only the PDCCH originating from the CSS is transmitted, thereby solving ambiguity of downlink control information (DCI) detection.
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Patent Agency Ranking
公开(公告)号：US11588598B2
公开(公告)日：2023-02-21
申请号：US17225136
申请日：2021-04-08
Inventor： Hee Soo Lee , Tae Gyun Noh , Jae Young Ahn , Kyoung Seok Lee , Young Jo Ko
Abstract: A reference signal (RS) transmission system to transmit a channel state information (CSI) RS for extraction of CSI to a relay and a macro terminal is disclosed. The base station transmits information on a sub frame containing the CSI RS to the relay or the macro terminal. The macro terminal and the relay receive the CSI RS using the information on the sub frame. The macro terminal and the relay extract the CSI using the CSI RS and transmit the extracted CSI to the base station.
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47.发明授权公开(公告)号：US10757694B2
公开(公告)日：2020-08-25
申请号：US16112551
申请日：2018-08-24
Inventor： Young Jo Ko , Bang Won Seo , Jae Young Ahn
Abstract: Data transmission and reception is provided by configuring control channels in a wireless communication system using a plurality of carriers. User equipment (UE) may monitor physical downlink control channel (PDCCH) candidates within common search spaces (CSSs) and User Equipment-specific search spaces (USSs). If the UE is configured with cross-carrier scheduling, when two PDCCH candidates originating from a CSS and a USS, respectively, have cyclic redundancy check (CRC) scrambled by the same Radio Network Temporary Identifier (RNTI) and have a common payload size and the same first control channel element (CCE) index, the UE may interpret that only the PDCCH originating from the CSS is transmitted, thereby solving ambiguity of downlink control information (DCI) detection.
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公开(公告)号：US10231223B2
公开(公告)日：2019-03-12
申请号：US14922442
申请日：2015-10-26
Inventor： Tae Gyun Noh , Jae Young Ahn
Abstract: Provided is a communication system that transmits a control channel using a downlink. The communication system may transmit, to the terminal, transmission information of uplink allocation information that indicates whether uplink allocation information is transmitted using a downlink, and the terminal may determine whether the uplink allocation information is included in a downlink frame, based on the transmission information of uplink allocation information. The base station may transmit, to the terminal, information associated with a resource which has a possibility of being used for transmission of a physical downlink control channel (PDCCH), and the terminal may decode the PDCCH in the resource which has a possibility of being used for transmission of the PDCCH.
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公开(公告)号：US09955470B2
公开(公告)日：2018-04-24
申请号：US15049330
申请日：2016-02-22
Inventor： Kyoung Seok Lee , Jae Heung Kim , Soo Jung Jung , Jae Young Ahn
Abstract: Provided is a method of transmitting and receiving data using a persistent allocation scheme in order to effectively support a voice service between a base station and a mobile terminal in a packet based mobile communication system. When an error occurs in transmitting control information that indicates whether to use a radio resource using the persistent allocation scheme, the base station may retransmit the control information and thereby maintain a communication quality.
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公开(公告)号：US09602260B2
公开(公告)日：2017-03-21
申请号：US13658282
申请日：2012-10-23
Inventor： Taegyun Noh , Jae Young Ahn
CPC classification number: H04L27/2607 , H04L1/1893 , H04L5/0048 , H04L5/0053 , H04L5/0055 , H04W74/085
Abstract: A technology enabling a base station to transmit acknowledgement (ACK)/negative ACK (NACK) information about data received from a terminal is provided. A cyclic shift value difference of each terminal may be maximized and a radio resource for transmitting the ACK/NACK information may be assigned without collision.
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