Communication system, including transmitting and receiving apparatus using a multi-carrier signal
First Claim
1. A 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 (f0);
first signal converting means for generating a first clock signal having a first frequency (f1) from said reference signal;
second signal converting means for generating a second clock signal having a second frequency (f2) 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;
third signal converting means for generating a third clock signal having a third frequency (f3) from said reference signal;
fourth signal converting means for generating a fourth clock signal having a fourth frequency (f4) from said reference signal;
time division signal generating means for generating 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.
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Abstract
A transmitting apparatus according to the present invention in communication resources using a multi-carrier signal in which subcarriers of a predetermined number are allocated with a predetermined frequency separation, includes a reference signal source for generating a reference signal with a predetermined frequency (f0), a first signal converter for generating a first clock signal (having a frequency f1) from the reference signal, a second signal converter for generating a second clock signal (having a frequency f2) from the reference signal, a radio frequency signal generator for generating signals which have separation frequencies of the frequency of the first clock signal, and a transmission signal processor for processing a transmission signal with the second block signal as a reference of the processing.
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Citations
20 Claims
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1. A transmitting apparatus using a multi-carrier signal in which subcarriers of a predetermined number are allocated with a predetermined frequency separation, comprising:
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a reference signal source for generating a reference signal with a predetermined frequency (f0); first signal converting means for generating a first clock signal having a first frequency (f1) from said reference signal; second signal converting means for generating a second clock signal having a second frequency (f2) 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; third signal converting means for generating a third clock signal having a third frequency (f3) from said reference signal; fourth signal converting means for generating a fourth clock signal having a fourth frequency (f4) from said reference signal; time division signal generating means for generating 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. - View Dependent Claims (2, 3, 4, 5)
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6. A receiving apparatus using a multi-carrier signal in which subcarriers of a predetermined number are allocated with a predetermined frequency separation, comprising:
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a reference signal source for generating a reference signal having a predetermined frequency (f0); first signal converting means for generating a first clock signal having a first frequency (f1) from said reference signal; second signal converting means for generating a second clock signal having a second frequency (f2) 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 (f3) from said reference signal; fourth signal converting means for generating a fourth clock signal having a fourth frequency (f4) 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. - View Dependent Claims (7, 8, 9, 10)
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11. 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:
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a reference signal source for generating a reference signal with a predetermined frequency (f0); first signal converting means for generating a first clock signal having a first frequency (f1) from said reference signal; second signal converting means for generating a second clock signal having a second frequency (f2) 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 (f3) from said reference signal; fourth signal converting means for generating a fourth clock signal having a fourth frequency (f4) 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. - View Dependent Claims (12, 13, 14, 15)
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16. 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:
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a reference signal source for generating a reference signal having a predetermined frequency (f0); first signal converting means for generating a first clock signal having a first frequency (f1) from said reference signal; second signal converting means for generating a second clock signal having a second frequency (f2) 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 (f3) from said reference signal; fourth signal converting means for generating a fourth clock signal having a fourth frequency (f4) 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. - View Dependent Claims (17, 18, 19, 20)
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Specification