Signal transmission method and system

Claim 3

The method claimed in claim 1 comprising further an initial step of error correction encoding said first message signals, and the successive terminal steps of error correction decoding and error correcting said third signals.

Claim 4

The method claimEd in claim 1 comprising the further step of equalizing said second message signals after said transmission thereof and prior to said step of generating said third signals.

Claim 5

The method claimed in claim 1 comprising the additional step of modulating said second message signals prior to said transmitting step and the further step of demodulating said transmitted modulated second message signals prior to said step of generating said third signals.

Claim 6

The method of claim 1 wherein the step of generating said second message signals is performed by computing the inverse Fourier transform of each of said first message signals and producing signals indicative of the result of said computation and wherein the step of generating said third signals is performed by computing the forward Fourier transform of said transmitted second message signals and producing signals indicative of the result of said computation.

Claim 7

A signal transmitter comprising: a. means generating first signals; b. signal conversion means receiving said first signals and converting same into second signals, said first signals being indicative of the frequency spectra of said second signals; and c. signal-conducting means applying said second signals to an associated communication channel.

Claim 8

A signal transmitter comprising: a. means generating first signals; b. signal conversion means receiving said first signals and converting same into second signals, said first signals being indicative of the frequency spectra of said second signals; and c. signal-conducting means applying said second signals to an associated communication channel.

Claim 9

The signal transmitter claimed in claim 6 wherein said signal-conducting means includes a signal modulator.

Claim 10

The signal transmitter claimed in claim 6 wherein said first signals are digital signals and wherein said signal conversion means includes means for computing the inverse Fourier transforms of said first signals.

Claim 11

The signal transmitter claimed in claim 8 wherein said means generating said first digital signals includes means error correction encoding said signals.

Claim 12

A signal transmission system for exchanging the information content of first message signals over a noise-affected communication channel with reduction of adverse effects of communication channel noise, comprising: a. a transmitting station including: a-1. a source generating said first message signals; a-2. signal conversion means receiving said first message signals and converting each of said first message signals into a second message signal, each of said first message signals being indicative of the frequency spectrum of one said second message signal; and a-3. signal-conducting means applying said second message signals to said communication channel; and b. a receiving station including: b-1. signal-conducting means receiving transmitted second message signals from said communication channel; and b-2. signal conversion means receiving signals from said receiving station conducting means and converting each of said signals into a third signal, each of said third signals being indicative of the frequency spectrum of one said signal received from said conducting means, each of said third signals constituting one of said first message signals with channel noise substantially uniformly distributed therein.

Claim 13

A signal transmission system for exchanging the information content of first message signals over a noise-affected communication channel with reduction of adverse effects of communication channel noise, comprising: a. a transmitting station including: a-1. a source generating said first message signals; a-2. signal conversion means receiving said first message signals and converting each of said first message signals into a second message signal, each of said first message signals being indicative of the frequency spectrum of one said second message signal; and a-3. signal-conducting means applying said second message signals to said communication channel; and b. a receiving station including: b-1. signal-conducting means receiving transmitted second message signals from said communication channel; and b-2. signal conversion means receiving signals from said receiving station conducting means and converting each of said signals into a third signal, each of said third signals being indicative of the frequency spectrum of one said signal received from said conducting means, each of said third signals constituting one of said first message signals with channel noise substantially uniformly distributed therein.

Claim 14

The signal transmission system claimed in claim 10 wherein said transmitting station signal-conducting means includes a signal modulator and wherein said receiving station signal-conducting means includes a signal demodulator.

Claim 15

The signal transmission system claimed in claim 10 wherein said first message signals are digital signals and wherein said transmitting station signal conversion means includes means for computing the inverse Fourier transform of each said first message signal and wherein said receiving station signal conversion means includes means for computing the forward Fourier transform of each signal received from said receiving station signal-conducting means.

Claim 16

The signal transmission system claimed in claim 12 wherein said receiving station includes means equalizing said third signals for distortion induced therein by said communication channel.

Claim 17

The signal transmission System claimed in claim 12 wherein said transmitting station first message signal-generating means includes means error correction encoding said first message signals, and said receiving station includes means error correction decoding and error correcting said third signals.