
SELECTED PATENTS

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“Apparatus and method for operating frequency resources in a mobile communication system” , (with Rahman, Muhammad Imadur; Reynisson, Ragnar Viôir; Fitzek, Frank Hanns Paul; Koo, Jin-kyu; Park, Dong-seek; Cho, Young-kwon; Kim, Young-kyun; Lim, Eun-taek; Jung, Jun-young) US Patent No. 7768987, Issued August 3, 2010
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“Coexistence Mechanism for Wireless Networks” (with Mauro De Sanctis; Marco Monti; Marina Ruggieri) Italy Patent No. RM2009A000050, Issued February 2, 2009.
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“Transceiver for use in wireless communication system, has determination unit that sets signal reception time interval to be smaller than transmission time interval, based on measurement of reception power at different time intervals” (with Kentako Nishimori; Yasushi Takatori; Shuji Kubota; Hiroyuki Yomo; Petar Popovski; Rocco Di Taranto) Japanese Patent No. JP2008311745, Issued December 25, 2008.
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“Wireless communication system e.g. wireless local area network (LAN) system, determines communication order of transmission with access point and terminal, so that interference to primary system is avoided” (with Kentako Nishimori; Yasushi Takatori; Shuji Kubota; Hiroyuki Yomo; Petar Popovski) Japanese Patent No. JP2008306663, Issued December 18, 2008.
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“Wireless communication system has determination unit that determines frequency band of secondary radio system as use frequency band when amount of egress interference given to primary radio system is smaller than threshold value” (with Kentaro Nishimori; Yasushi Takatori; Shuji Kubota; Hiroyuki Yomo; Petar Popovski) Japanese Patent No. JP2008306665, Issued December 18, 2008.
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“Array antenna apparatus for use in relay communication system, has communication quality determining part determining array antenna based on egress-interference signal and determining communication quality information” (with Kentako Nishimori; Yasushi Takatori; Shuji Kubota; Hiroyuki Yomo; Petar Popovski; Rocco Di Taranto) Japanese Patent No. JP2008306664, Issued December 18, 2008.
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“Array antenna transmittingreceiving apparatus for use in e.g. mobile telephone, has receiving weight calculation part for determining weighting value of transmission and reception signal at time of transmission” (with Kentako Nishimori; Yasushi Takatori; Shuji Kubota; Hiroyuki Yomo; Petar Popovski; Rocco Di Taranto) Japanese Patent No. JP2008306662, Issued December 18, 2008
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“Communication system has communication terminal to transmit received interference wave to another communication terminal using signal area which is known by communication stations of secondary systems” (with Kentako Nishimori; Yasushi Takatori; Shuji Kubota; Hiroyuki Yomo; Petar Popovski; Rocco Di Taranto) Japanese Patent No. JP2008306661, Issued December 18, 2008.
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“Communication system and its communication method” (with Kentako Nishimori; Yasushi Takatori; Shuji Kubota; Hiroyuki Yomo; Petar Popovski; Rocco Di Taranto) Japanese Patent No. JP2008211342, Issued September 09, 2008.
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“Transmission and Reception Device, and Communication Method Thereof” (with Kentako Nishimori; Yasushi Takatori; Shuji Kubota; Hiroyuki Yomo; Petar Popovski; Rocco Di Taranto) Japanese Patent No. JP2008211341, Issued September 11, 2008.
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“Apparatus and method for operating frequency resources in a mobile communication system”, (with Rahman, Muhammad Imadur; Reynisson, Ragnar Vioir; Fitzek, Frank Hanns Paul; Koo, Jin-kyu; Park, Dong-seek; Young-kwon; Kim, Young-kyun; Lim, Eun-taek; Jung, Jun-young) US Patent No. 20070093252, Issued April 24, 2007.
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“Apparatus and method for assigning subcarrier in OFDMA communication system”, (with Fitzek, Frank Hanns Paul; Wijting, Carl Simon; Theeuwes, Jeroen; Popovski, Petar; Suh, Chang-ho; Yoon, Seok-hyun; Hong, Sung-kwon; Cho, Young-kwon; Kim, Young-kyun; Park, Dong-seek; Ro, Jung-min) US Patent No. 2006007209460, Issued April 13, 2006.
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“Apparatus and method for transmittingreceiving header information in a wireless communication system with a multi-channel structure”, (with Lee, Sung-jin; Cho, Young-kwon; Daniel, Katz Marcos; Park, Dong-seek; Son, Jung-je; Koo, Chang-hoi; Fitzek, Frank; Hanns Paul; Madsen, Tatiana Kozlova) US Patent No. 20060083270, Issued April 20, 2006.
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“A novel multirate orthogonal frequency division multiplexing system proposal to reduce intercarrier interference” (with Das, Suvra S.; Fitzek, Frank H. P.; Rahman, Muhammad Imadur) Patent Application No 964MUM2004, 2004.
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“Enhancing spectral efficiency of OFDM systems by Data Transmission over Pilot Tones” (with Das, Suvra S.; Rahman, Muhammad Imadur ; Fitzek, Frank H. P.) Patent Application No 963MUM2004, 2004.