Claims
- 1. A method of increasing digital data throughput of a channel comprising:
inputting a digital data signal at a frequency; sampling the digital data signal at a fraction of the frequency; and establishing a digital feedback loop for deriving a phase shift for each sample during each repetition and accumulating the phase shift of subsequent samples with previous samples during at most a single period of the frequency.
- 2. An apparatus for increasing digital data throughput of a channel comprising:
an input for inputting a digital data signal at a frequency; a sampler for sampling the digital data signal at a fraction of the frequency; and an accumulator for accumulating phase shift of the samples with multiple iterations during at most a single period of the frequency.
- 3. A method of increasing digital data throughput of a channel comprising:
inputting a digital data signal at a frequency; sampling the digital data signal at a fraction of the frequency; and accumulating phase shift of the samples with multiple iterations during at most a single period of the frequency.
- 4. A transmission system for reduced energy transmission comprising:
means for simultaneously encoding a first group of parallel binary bits into a voltage amplitude signal having a first phase, a superressonant filter having a local oscillator operating in phase with the voltage amplitude signal, the superressonant filter receiving the voltage amplitude signal and accumulating phase shift of samples with multiple iterations during at most a single period of a frequency and outputting a data signal.
- 5. The transmission of claim 4, further comprising:
an amplitude adjuster for adjusting the amplitude of the voltage amplitude signal.
- 6. The superressonant filter of claim 4, further comprising:
an adder for adding the voltage amplitude signal with a feedback signal; a squaring circuit for squaring the output of the adder; a first multiplier multiplying the adder output with an output of the local oscillator; a sign extracter to extract the sign of the first multiplier output; a square root circuit for taking the square root of the first multiplier output; a second multiplier for multiplying the output of the square root circuit and the output of the sign extracter; and a delay circuit for delaying the output of the second multiplier to produce the feedback signal.
- 7. The delay circuit of claim 6 wherein the delay is one sample period.
- 8. The superressonant filter of claim 4, further comprising:
a first adder for adding the voltage amplitude signal with a feedback signal; a squaring circuit for squaring the output of the adder; a first multiplier multiplying the adder output with an output of the local oscillator; a second adder for adding an output of the first multiplier and an amplitude adjusted output of the local oscillator; a sign extracter to extract the sign of the second adder output; a square root circuit for taking the square root of the second adder output; a second multiplier for multiplying the output of the square root circuit and the output of the sign extracter; and a delay circuit for delaying the output of the second multiplier to produce the feedback signal.
- 9. The superressonant filter of claim 4, further comprising:
a squaring circuit for squaring the the voltage amplitude signal; a first multiplier multiplying the adder output with an output of the local oscillator; and an adder for adding an output of the first multiplier and an amplitude adjusted output of the local oscillator.
- 10. A superressonant filter comprising:
an adder for adding a voltage amplitude signal with a feedback signal; a squaring circuit for squaring the output of the adder; a first multiplier multiplying the adder output with an output of the local oscillator; a sign extracter to extract the sign of the first multiplier output; a square root circuit for taking the square root of the first multiplier output; a second multiplier for multiplying the output of the square root circuit and the output of the sign extractor; and a delay circuit for delaying the output of the second multiplier to produce the feedback signal.
- 11. The superresonant filter of claim 10 wherein the superresonant filter has no inductive component.
- 12. A system for increasing digital data throughput of a channel comprising:
input means for inputting a digital data signal at a frequency; sampling means for sampling the digital data signal at a fraction of the frequency; feedback means for deriving a phase shift for each sample during each repetition and adding subsequent samples to a summation of previous samples during at most a single period of the frequency.
- 13. A method improving signal to noise ratio and bit error rate using compressed highly correlated noise in adjacent close frequency channel to cancel noise in signal carrying channel, comprising:
inputting a digital data signal at a first frequency; sampling the digital data signal at a fraction of the first frequency; accumulating a phase shift of the samples with multiple iterations during at most a single period of the frequency; sampling the digital data signal at a fraction of a second frequency; and accumulating phase shift of the samples with multiple iterations during at most a single period of the second frequency; and subtracting the accumulated samples of the second frequency from the samples of the first frequency.
- 14. An apparatus for increasing digital data throughput of a channel comprising:
an input for inputting a digital data signal at a frequency; a sampler for sampling the digital data signal at a fraction of the frequency; an accumulator for accumulating phase shift of the samples with multiple iterations during at most a single period of the frequency; and means for removing out of band signal.
CROSS-REFERENCE TO RELATED APPLICATIONS
[0001] This application is based on and incorporates herein by reference, provisional patent application Nos. 60/440,952, filed Jan. 17, 2003; 60/440,951, filed Jan. 17, 2003; 60/440,954, filed Jan. 17, 2003; and 60/440,955, filed Jan. 17, 2003.
Provisional Applications (4)
|
Number |
Date |
Country |
|
60440952 |
Jan 2003 |
US |
|
60440951 |
Jan 2003 |
US |
|
60440954 |
Jan 2003 |
US |
|
60440955 |
Jan 2003 |
US |