Transmitter apparatus, receiver apparatus, transmission method, reception method and program

A receiver apparatus comprising:

• a receiving section that receives multiple signals as a1, . . . , aL(1≦L);
• a delaying section that delays the respective multiple received signals a1, . . . , aL by time T−t1, . . . , T−tN (L≦N) where T is predetermined constant time without being overlapped with one another to output multiple intermediate signals p1, . . . , pN;
• a demodulating section that demodulates the multiple output intermediate signals p1, . . . , pN to output demodulated signals r1, . . . , rN;
• and
• an outputting section that outputs the multiple output demodulated signals r1, . . . , rN as multiple transmitted synchronized signals.

A transmission method comprising:

• the input receiving step of receiving inputs of multiple synchronized signals r1, . . . , rN;
• the asynchronizing step of delaying the multiple input received synchronized signals r1, . . . , rN by time t1, . . . , tN to output multiple asynchronized signals v1, . . . , vN;
• the modulating step of modulating the output multiple asynchronized signals v1, . . . , vN to output modulated signals w1, . . . , wL(1≦L≦N);
• and
• the transmitting step of transmitting the output modulated signals w1, . . . , wL,
• wherein the delay time t1, . . . , tN is shorter than a reciprocal number of a minimum value of clock rates of the multiple input received synchronized signals r1, . . . , rN.

A reception method comprising:

• the receiving step of receiving multiple signals as a1, . . . , aL(1≦L);
• the delaying step of delaying the respective multiple received signals a1, . . . , aL by time T−t1, . . . , T−tN (L≦N) where T is predetermined constant time without being overlapped with one another to output multiple intermediate signals p1, . . . , pN;
• the demodulating step of demodulating the multiple output intermediate signals p1, . . . , pN to output demodulated signals r1, . . . , rN;
• and
• the outputting step of outputting the multiple output demodulated signals r1, . . . , rN as multiple transmitted synchronized signals.