Communication system, including transmitting and receiving apparatus using a multi-carrier signal

A receiving apparatus using a multi-carrier signal in which subcarriers of a predetermined number are allocated with a predetermined frequency separation, comprising:

• a reference signal source for generating a reference signal having a predetermined frequency (f.sub.0);
• first signal converting means for generating a first clock signal having a first frequency (f.sub.1) from said reference signal;
• second signal converting means for generating a second clock signal having a second frequency (f.sub.2) from said reference signal;
• radio frequency signal generating means for generating signals having separate frequencies of the first frequency of said first clock signal;
• received signal processing means for processing a received signal with said second clock signal as a reference of said processing;
• third signal converting means for generating a third clock signal having a third frequency (f.sub.3) from said reference signal;
• fourth signal converting means for generating a fourth clock signal having a fourth frequency (f.sub.4) from said reference signal;
• time division signal processing means for processing signals with separated timings of slots each of which has a timing based on an inverse of the third frequency of said third clock signal;
• and
• audio signal processing means for processing an audio signal with said fourth clock signal as an audio processing reference signal.

A multiple access transmitting apparatus using a multi-carrier signal in which subcarriers of a predetermined number are allocated with a predetermined frequency separation, comprising:

• a reference signal source for generating a reference signal with a predetermined frequency (f.sub.0);
• first signal converting means for generating a first clock signal having a first frequency (f.sub.1) from said reference signal;
• second signal converting means for generating a second clock signal having a second frequency (f.sub.2) from said reference signal;
• radio frequency signal generating means for generating signals which have separation frequencies of the first frequency of said first clock signal;
• transmission signal processing means for processing a transmission signal with said second clock signal as a reference of said processing;
• multiplex means for multiplexing a plurality of signals;
• third signal converting means for generating a third clock signal having a third frequency (f.sub.3) from said reference signal;
• fourth signal converting means for generating a fourth clock signal having a fourth frequency (f.sub.4) from said reference signal;
• time division signal generating means for generating signals with separated slot timings each of which has a timing based on an inverse of the third frequency of said third clock signal;
• and
• audio signal processing means for processing an audio signal with said fourth clock signal as an audio processing reference signal.

A multiple access receiving apparatus using a multi-carrier signal in which subcarriers of a predetermined number are allocated with a predetermined frequency separation, comprising:

• a reference signal source for generating a reference signal having a predetermined frequency (f.sub.0);
• first signal converting means for generating a first clock signal having a first frequency (f.sub.1) from said reference signal;
• second signal converting means for generating a second clock signal having a second frequency (f.sub.2) from said reference signal;
• radio frequency signal generating means for generating signals having separate frequencies of the first frequency of said first clock signal;
• received signal processing means for processing a received signal with said second clock signal as a reference of said processing;
• de-multiplexing means for generating a plurality of series of codes from one series of signals;
• third signal converting means for generating a third clock signal having a third frequency (f.sub.3) from said reference signal;
• fourth signal converting means for generating a fourth clock signal having a fourth frequency (f.sub.4) from said reference signal;
• time division signal processing means for processing signals with separated slot timings each of which has a timing based on an inverse of the third frequency of said third clock signal;
• and
• audio signal processing means for processing an audio signal with said fourth clock signal as an audio processing reference signal.