发明名称 TRANSMISSION SYSTEM, TRANSMITTER, RECEIVER, TRANSMISSION METHOD AND PROGRAM
摘要 <P>PROBLEM TO BE SOLVED: To provide a transmission system, a transmitter, a receiver, a transmission method and a program which are highly confidential because of a content thereof being hard to view in a case where a plurality of users communicate with each other while sharing a common transmission medium. <P>SOLUTION: In a transmission system transmitting and receiving between a transmitter and a receiver, the transmitter includes a plurality of band division filters 111-1 to 111-3 dividing a modulated transmission spectrum into a plurality of spectra having different bands from one another, and a radio part transmitting the plurality of spectra divided by the band division filter, and the receiver includes a plurality of bandlimiting filters 205-1 to 205-3 extracting a plurality of spectra having different bands from one another, a addition part 207 adding a reception spectrum extracted by the bandlimiting filter, and a demodulation part 208 demodulating the added signal. <P>COPYRIGHT: (C)2012,JPO&INPIT
申请公布号 JP2011259151(A) 申请公布日期 2011.12.22
申请号 JP20100131149 申请日期 2010.06.08
申请人 NIPPON TELEGR & TELEPH CORP <NTT> 发明人 MASUNO ATSUSHI;ABE JUNICHI;YAMASHITA FUMIHIRO;KOBAYASHI KIYOSHI;SUGIYAMA TAKATOSHI
分类号 H04K1/00;H04B7/005 主分类号 H04K1/00
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