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 |