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公开(公告)号：EP3291498A4
公开(公告)日：2018-07-18
申请号：EP16786795
申请日：2016-04-29
发明人： LEE KEON-KOOK , PARK SUN-HO , SHIM BYONG-HYO , KIM TAE-YOUNG , SEOL JI-YUN
CPC分类号： H04L25/0236 , H04L25/0204 , H04L25/03891
摘要： The present disclosure relates to a 5G or pre-5G communication system to be provided to support a higher data transmission rate beyond the 4G communication system, such as LTE. The present invention provides a method for estimating a downlink channel by a receiver in a wireless communication system, the method comprising: estimating the downlink channel on the basis of a reference signal to recover an information bit, and checking whether the information bit recovery has succeeded; and when the information bit recovery has not succeeded, selecting at least one of the received signals as a virtual reference signal on the basis of the accuracy of the data reconstructed at a related resource location and the correlation between the related resource location and a resource location related to the reference signal, and estimating the downlink channel on the basis of at least one virtual reference signal.
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公开(公告)号：EP3337054A4
公开(公告)日：2018-08-01
申请号：EP16835500
申请日：2016-08-12
发明人： LEE KEON-KOOK , NAM YOUNG-HAN , KIM TAE-YOUNG , NOH JEE-HWAN , YOO HYUN-IL , JEONG SU-RYONG
IPC分类号： H04B7/06 , H04B7/0417 , H04L5/00
CPC分类号： H04B7/06 , H04B7/0417 , H04B7/0617 , H04B7/063 , H04B7/0632 , H04L5/0048
摘要： The present disclosure relates to a 5G or pre-5G communication system for supporting a higher data transfer rate beyond a 4G communication system such as LTE. A method and an apparatus for transmitting and receiving channel state information are disclosed. The method comprises: a step of transmitting, to a terminal, a signaling message including first information indicating at least one precoding matrix which is applicable to a symbol vector to be transmitted; a step of transmitting, to the terminal, a channel status information-reference signal (CSI-RS) for the terminal; and a step of receiving channel state information including a channel quality indicator (CQI) which is calculated using the selected precoding matrix on the basis of second information from the terminal.
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3.发明公开APPARATUS AND METHOD FOR ADAPTIVE TRANSMISSION POWER NORMALIZATION IN WIRELESS COMMUNICATION SYSTEM 审中-公开装置及方法无线通信系统自适应传输性能标准
公开(公告)号：EP3028508A4
公开(公告)日：2017-03-08
申请号：EP14832733
申请日：2014-07-29
发明人： KIM CHAN-HONG , KIM TAE-YOUNG , SEOL JI-YUN , SON JAE-SEUNG
CPC分类号： H04W52/18 , H04B7/0426 , H04B7/0456 , H04B7/0617 , H04B7/0639 , H04B7/0665 , H04B17/318 , H04W52/42
摘要： A transmission normalization in a wireless communication system adopting hybrid beamforming is provided. An operating method of a transmitter includes transmitting control information on transmission power normalization, receiving information indicating a precoding matrix and an analog beam selected based on the control information, and transmitting a signal normalized using a normalization coefficient corresponding a combination of the precoding matrix and the analog beam.
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4.发明公开METHOD AND APPARATUS FOR MEASURING AND FEEDING BACK CHANNEL INFORMATION IN COMMUNICATION SYSTEM USING BEAM FORMING 审中-公开方法和设备对于与光束整形通信系统中测量和反馈信道信息
公开(公告)号：EP2992620A4
公开(公告)日：2017-01-11
申请号：EP14791649
申请日：2014-05-02
发明人： YU HYUN-KYU , CHO JAE-WEON , KIM TAE-YOUNG , SEOL JI-YUN
CPC分类号： H04B7/0408 , H04B7/0417 , H04B7/0617 , H04B7/0619 , H04B7/088 , H04B7/0897 , H04L5/0053
摘要： A method of feeding back channel information by a receiver in a communication system beam forming is provided. The method includes determining an optimum reception beam using intensities of reference signals received through transmission beams of a base station for a first period through a first path for mapping analog beams of an input signal, and determining an optimum transmission beam of the transmission beams using intensities of reference signals received through the optimum reception beam for a second period through a second path for mapping analog beams of the input signal, and transmitting channel information measured by using a reference signal received through the optimum transmission beam and the optical reception beam to a transmitter.
摘要翻译： 提供了一种形成在通信系统中光束由接收机反馈的信道信息的方法。 该方法包括在使用通过基站的发送波束在第一时段内接收到的参考信号的强度通过为输入信号的映射的模拟光束的第一路径最佳接收束在使用强度的发送波束的最佳发送波束确定性挖掘和确定性采矿 参考通过对所述输入信号的映射的模拟光束的第二路径通过第二时间段的最佳接收波束的接收信号，和发射通过使用参考信号来测量信道的信息通过最佳发送波束和光接收波束到发射机接收 ，
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5.发明公开APPARATUS AND METHOD FOR BEAMFORMING GAIN DIFFERENCE COMPENSATION ACCORDING TO CHANGE OF TRANSMITTING AND RECEIVING BEAM PATTERN IN BEAMFORMING BASED WIRELESS COMMUNICATION SYSTEM 审中-公开DEVICE AND METHOD FOR波束赋形增益差补偿根据传输和接收辐射方向图在无线通信系统波束成形BASE的变化
公开(公告)号：EP2923450A4
公开(公告)日：2016-11-02
申请号：EP13857249
申请日：2013-11-25
发明人： SEOL JI-YUN , KIM TAE-YOUNG , YU HYUN-KYU
CPC分类号： H04W16/28 , H04B7/0408 , H04B7/0452 , H04B7/0456 , H04B7/0617 , H04B7/0626 , H04B7/0837 , H04B7/086 , H04W52/24 , H04W88/02 , H04W88/08
摘要： A method of operating a Mobile Station (MS) in a wireless communication system using beamforming includes receiving a reference signal over a plurality of downlink transmit (Tx) beams, measuring channel quality information of the received reference signal, and generating effective channel quality information by compensating for beamforming gain compensation information according to the channel quality information.
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公开(公告)号：EP2847881A4
公开(公告)日：2016-01-06
申请号：EP13787590
申请日：2013-05-09
发明人： JEONG SU-RYONG , SON YEONG-MOON , YU HYUN-KYU , KIM TAE-YOUNG
CPC分类号： H04W74/0833 , H04B7/0695 , H04B7/088 , H04W16/28
摘要： A method of performing beamforming in a base station is provided. The method includes receiving random access channel signals transmitted in one or more transmit beams from a terminal, using one or more receive beams, determining at least one best transmit beam from the one or more transmit beams and at least one best receive beam from the one or more receive beams, and transmitting information about the best transmit beam and the best receive beam to the terminal.
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7.发明公开METHOD AND APPARATUS FOR TRANSMITTING BEAM INFORMATION IN WIRELESS COMMUNICATION SYSTEM 有权方法和装置用于转移RAY信息在无线通信系统
公开(公告)号：EP2832133A4
公开(公告)日：2015-11-11
申请号：EP13767248
申请日：2013-03-27
发明人： YU HYUN-KYU , KIM TAE-YOUNG , JEONG SU-RYONG
CPC分类号： H04W72/0406 , H04B7/0632 , H04B7/0639 , H04B7/0695 , H04L1/188 , H04W16/28 , H04W28/06 , H04W48/12 , H04W74/08
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8.发明公开
公开(公告)号：EP2756606A4
公开(公告)日：2015-06-17
申请号：EP12831849
申请日：2012-09-14
发明人： YU HYUN-KYU , KIM TAE-YOUNG , PARK JEONG-HO , SEOL JI-YUN , JEONG SU-RYONG
CPC分类号： H04B7/0695 , H04B7/0665 , H04B7/088 , H04W72/042 , H04W72/046
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9.发明公开
公开(公告)号：EP3335327A4
公开(公告)日：2018-07-25
申请号：EP16835505
申请日：2016-08-12
发明人： LEE KEON-KOOK , KIM TAE-YOUNG , NOH JEE-HWAN , YOO HYUN-IL , JEONG SU-RYONG
CPC分类号： H04B7/0486 , H04B7/0469 , H04B7/0478 , H04L5/0023 , H04L5/0051
摘要： The present disclosure relates 5G or pre-5G communication systems for supporting higher data transmission rate than those by LTE or other post-4G communication systems. According to the present disclosure, a method for operating a beamformed reference signal by a base station and terminal in a communication system, and the terminal, are provided. The method includes transmitting, to a terminal, control information indicating whether a first codebook is used for generating feedback information on a downlink reference signal. The first codebook is used if generating feedback information on the beamformed reference signal and is generated based on a number of antenna ports and a number of ranks.
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10.发明公开APPARATUS AND METHOD FOR SELECTING TRANSMIT AND RECEIVE BEAM IN A WIRELESS COMMUNICATION SYSTEM 审中-公开装置和方法用于选择发送和接收波束在无线通信系统
公开(公告)号：EP2995014A4
公开(公告)日：2017-01-11
申请号：EP14795465
申请日：2014-05-12
发明人： KIM CHAN-HONG , KIM TAE-YOUNG , SEOL JI-YUN
CPC分类号： H04B7/0695 , H04B7/0408 , H04B7/0456 , H04B7/0469 , H04B7/0617 , H04B7/0634 , H04B7/0639 , H04B7/0689 , H04B7/0697 , H04L5/0023 , H04L5/0092 , H04L25/0204 , H04W36/0072 , H04W48/12 , H04W72/046
摘要： A method for operating a receiving end in a wireless communication system includes receiving subset information on analog beams of a transmitting end, from a transmitting end, and determining a combination of transmit beams to be used for data signal transmission to the receiving end, on the basis of the subset information, wherein the subset information indicates at least one subset into which the analog beams are classified, and each analog beam of the at least one subset has a correlation equal to or less than a threshold, with one another. An apparatus for a receiving end includes a communication unit configured to receive subset information on analog beams of a transmitting end, from the transmitting end, and a controller configured to determine a combination of transmit beams to be used for data signal transmission to the receiving end, on the basis of the subset information.
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