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公开(公告)号：EP2272179A2
公开(公告)日：2011-01-12
申请号：EP09734347.9
申请日：2009-04-22
发明人： KWON, Dong Seung , KWAK, Byung-Jae , SONG, Young Seog , LEE, Seung Joon , KIM, Ji Hyung , YEH, Choong Il , SHIN, Wooram , KANG, Chung Gu , KIM, Jin-Woo
IPC分类号： H04B7/02
CPC分类号： H04L1/06 , H04B7/0639 , H04L1/1867 , H04L1/1893
摘要： The present invention relates to an apparatus and a method for selection of a precoding matrix. In the present invention, a precoding matrix to enable an effective signal-to-noise ratio (ESNR) to have a maximum value with respect to a signal vector that requires retransmission is selected in a codebook and fed back to a transmitter. Accordingly, since the effective signal-to-noise ratio has the maximum value after the signal vector is retransmitted, it is possible to minimize a reception error probability of retransmission.
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公开(公告)号：EP2210385A1
公开(公告)日：2010-07-28
申请号：EP08778679.4
申请日：2008-07-08
IPC分类号： H04L27/26
CPC分类号： H04L5/0007 , H04L5/0023 , H04L5/0048 , H04L25/0226 , H04L25/0232
摘要： In an orthogonal frequency division multiple access (OFDMA) communication system, a transmission apparatus connects a plurality of tiles, which have a 4x3 structure, along a time axis or a frequency axis in an uplink 4-layer PUSC mode, and designs pilots corresponding to one layer at one of a plurality of symbol positions adjacent to a first corner of the plurality of tiles and one of a plurality of symbol positions adjacent to a second corner of the plurality of tiles that face the first corner in a diagonal direction. In this case, null symbols are designed at the rest of the symbol positions adjacent to the first corner or the second corner where the pilots are not designed. Accordingly, a receiving apparatus can obtain n channel values from n tiles. Further, n estimated channel values are applied to a linear interpolation method, so that it is possible to estimate the entire channel value of n tiles.
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3.发明授权METHOD TO GENERATE BEAMFORMING VECTOR AND PROVIDE THE INFORMATION FOR GENERATING BEAMFORMING VECTOR 有权方法生成的波束成形矢量并将该信息提供用于产生的波束成形矢量
公开(公告)号：EP2316174B1
公开(公告)日：2013-10-16
申请号：EP09806877.8
申请日：2009-08-14
申请人： Electronics and Telecommunications Research Institute , Industry Academic Cooperation Foundation of Kyunghee University
发明人： KIM, Ji Hyung , SHIN, Wooram , KWON, Dong Seung , YEH, Choongil , HONG, Een Kee
CPC分类号： H04B7/0617 , H04B7/0417 , H04B7/0639 , Y02D70/1262 , Y02D70/444
摘要： A method to generate a beamforming vector by a terminal includes receiving information on a first precoding matrix and a second precoding matrix from a serving base station; and generating a beamforming vector by linearly combining the first precoding matrix and the second precoding matrix.
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4.发明公开DEVICE FOR GENERATING CODEBOOK, METHOD FOR GENERATING CODEBOOK, AND METHOD FOR TRANSMITTING DATA 审中-公开DEVICE创建代码本方法创建编码表数据传输方法
公开(公告)号：EP2438690A2
公开(公告)日：2012-04-11
申请号：EP09810250.2
申请日：2009-09-01
发明人： KWON, Dong Seung , KWAK, Byung-Jae , YEH, Choongil , SONG, Young Seog , KIM, Ji Hyung , SHIN, Wooram , KANG, Chung Gu , KIM, Jin-Woo
IPC分类号： H04B7/06
CPC分类号： H04L1/1812 , H04B7/0639 , H04B7/0652 , H04L1/06
摘要： A device for generating a transmission codebook in a communication system including a multi- input multi-output (MIMO) antenna according to an embodiment of the present invention includes: a frequency determiner that determines a frequency to allow the transmission codebook to have an optimal characteristic; a precoding matrix generator that generates a precoding matrix on the basis of the frequency; and a codebook generator that generates a retransmission codebook to be used for retransmission on the basis of the precoding matrix and generates the transmission codebook on the basis of the retransmission codebook.
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公开(公告)号：EP2324587A2
公开(公告)日：2011-05-25
申请号：EP09810224.7
申请日：2009-08-28
发明人： KWON, Dong Seung , KWAK, Byung-Jae , PARK, Bum-Soo
CPC分类号： H04L27/34 , H04L1/007 , H04L1/0086 , H04L1/1819 , H04L1/1874 , H04L1/1893 , H04L27/3405
摘要： In a symbol mapping apparatus, a channel coder outputs a codeword including a plurality of information bits and a plurality of redundancy bits by encoding transmission data. A symbol mapper maps the codeword to the symbol while changing a mapping scheme in the unit of the codeword.
摘要翻译： 在符号映射装置中，信道编码器通过对传输数据进行编码来输出包括多个信息比特和多个冗余比特的码字。 码元映射器将码字映射到码元，同时以码字为单位改变映射方案。
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公开(公告)号：EP2324587B1
公开(公告)日：2019-07-03
申请号：EP09810224.7
申请日：2009-08-28
发明人： KWON, Dong Seung , KWAK, Byung-Jae , PARK, Bum-Soo
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7.发明公开METHOD TO GENERATE BEAMFORMING VECTOR AND PROVIDE THE INFORMATION FOR GENERATING BEAMFORMING VECTOR 有权方法生成的波束成形矢量并将该信息提供用于产生的波束成形矢量
公开(公告)号：EP2316174A2
公开(公告)日：2011-05-04
申请号：EP09806877.8
申请日：2009-08-14
申请人： Electronics and Telecommunications Research Institute , Industry Academic Cooperation Foundation of Kyunghee University
发明人： KIM, Ji Hyung , SHIN, Wooram , KWON, Dong Seung , YEH, Choongil , HONG, Een Kee
CPC分类号： H04B7/0617 , H04B7/0417 , H04B7/0639 , Y02D70/1262 , Y02D70/444
摘要： A method to generate a beamforming vector by a terminal includes receiving information on a first precoding matrix and a second precoding matrix from a serving base station; and generating a beamforming vector by linearly combining the first precoding matrix and the second precoding matrix.
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