Method and devices for transmitting and receiving information
First Claim
Patent Images
1. A method for transmitting and receiving information by means of waves, comprising the steps:
- an information signal is attached to a carrier wave, whose frequency is continuously changed to form at least two carrier sweeps in a preset time interval, wherein the carrier wave is transmitted as a transmission signal without transmission of a reference signal,the frequency characteristic of the carrier sweeps with respect to frequency position, rise and form of the change in the carrier frequency from carrier sweep to carrier sweep is adapted to different transmission conditions or objects, wherein each carrier sweep carries one or more information units or bits, andthe transmission signal is filtered after being received in the frequency range, in particular for separating multipath components or is cleaned of noise portions and is evaluated from itself with respect to information-carrying signal parameters.
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Abstract
Methods and devices for sending, transmitting and/or receiving information by means of waves, in which an information signal of a carrier wave is impressed, whose frequency is continuously changed to form at least one carrier sweep in a predetermined time interval and in which the information signal is filtered to separate multipath components after being received in the frequency range or is cleaned of noise portions and then evaluated with respect to the information-bearing signal parameters.
43 Citations
45 Claims
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1. A method for transmitting and receiving information by means of waves, comprising the steps:
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an information signal is attached to a carrier wave, whose frequency is continuously changed to form at least two carrier sweeps in a preset time interval, wherein the carrier wave is transmitted as a transmission signal without transmission of a reference signal, the frequency characteristic of the carrier sweeps with respect to frequency position, rise and form of the change in the carrier frequency from carrier sweep to carrier sweep is adapted to different transmission conditions or objects, wherein each carrier sweep carries one or more information units or bits, and the transmission signal is filtered after being received in the frequency range, in particular for separating multipath components or is cleaned of noise portions and is evaluated from itself with respect to information-carrying signal parameters. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29)
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30. A sending device for sending waves carrying information according to a method in which the following steps are performed:
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an information signal is attached to a carrier wave, whose frequency is continuously changed to form at least two carrier sweeps in a preset time interval, wherein the carrier wave is transmitted as a transmission signal without transmission of a reference signal, the frequency characteristic of the carrier sweeps with respect to frequency position, rise and form of the change in the carrier frequency from carrier sweep to carrier sweep is adapted to different transmission conditions or objects, wherein each carrier sweep carries one or more information units or bits, and the transmission signal is filtered after being received in the frequency range, in particular for separating multipath components or is cleaned of noise portions and is evaluated from itself with respect to information-carrying signal parameters, the sending device comprising; at least one sender-side generator for generating carrier waves with at least one continuously flowing frequency change (carrier sweeps), a modulator for generating or coding an information signal, a mixer to modulate the information signals of the carrier wave and a send transformer, and if necessary a filter unit, in particular a bandpass filter unit (BPF) between the mixer and the send transformer. - View Dependent Claims (31, 32, 33, 34, 35, 36)
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37. A receiving device for receiving signal waves carrying information and which were transmitted according to a method in which the following steps are performed:
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an information signal is attached to a carrier wave, whose frequency is continuously changed to form at least two carrier sweeps in a preset time interval, wherein the carrier wave is transmitted as a transmission signal without transmission of a reference signal, the frequency characteristic of the carrier sweeps with respect to frequency position, rise and form of the change in the carrier frequency from carrier sweep to carrier sweep is adapted to different transmission conditions or objects, wherein each carrier sweep carries one or more information units or bits, and the transmission signal is filtered after being received in the frequency range, in particular for separating multipath components or is cleaned of noise portions and is evaluated from itself with respect to information-carrying signal parameters, the receiving device comprising; a separator for separating signal components or multipath components in the frequency range, a projection device, in particular a multiplier or folding unit, and a demodulator or parameter analysis device. - View Dependent Claims (38, 39, 40, 41, 43)
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42. A receiving device for receiving signal waves carrying information and which were transmitted according to a method in which the following steps are performed:
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an information signal is attached to a carrier wave, whose frequency is continuously changed to form at least two carrier sweeps in a preset time interval, wherein the carrier wave is transmitted as a transmission signal without transmission of a reference signal, the frequency characteristic of the carrier sweeps with respect to frequency position, rise and form of the change in the carrier frequency from carrier sweep to carrier sweep is adapted to different transmission conditions or objects, wherein each carrier sweep carries one or more information units or bits, and the transmission signal is filtered after being received in the frequency range, in particular for separating multipath components or is cleaned of noise portions and is evaluated from itself with respect to information-carrying signal parameters, the receiving device comprising; a receiver-side generator for generating an artificial auxiliary frequency, a projection device, in particular a multiplier for heterodyning or multiplication with the receiving signal received from a receiving transformer, a separator for separating signal components or multipath components in particular in the frequency range, and a demodulator or parameter analysis device.
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44. A system for transmission of information comprising:
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at least one sending device and at least one receiving device for receiving signal waves carrying information and which were transmitted according to a method in which the following steps are performed; an information signal is attached to a carrier wave, whose frequency is continuously changed to form at least two carrier sweeps in a preset time interval, wherein the carrier wave is transmitted as a transmission signal without transmission of a reference signal, the frequency characteristic of the carrier sweeps with respect to frequency position, rise and form of the change in the carrier frequency from carrier sweep to carrier sweep is adapted to different transmission conditions or objects, wherein each carrier sweep carries one or more information units or bits, and the transmission signal is filtered after being received in the frequency range, in particular for separating multipath components or is cleaned of noise portions and is evaluated from itself with respect to information-carrying signal parameters, the receiving device comprising; a separator for separating signal components or multipath components in the frequency range, a projection device, in particular a multiplier or folding unit, and a demodulator or parameter analysis device.
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45. A system for transmission of information comprising:
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at least one sending device for sending waves carrying information according to a method in which the following steps are performed; an information signal is attached to a carrier wave, whose frequency is continuously changed to form at least two carrier sweeps in a preset time interval, wherein the carrier wave is transmitted as a transmission signal without transmission of a reference signal, the frequency characteristic of the carrier sweeps with respect to frequency position, rise and form of the change in the carrier frequency from carrier sweep to carrier sweep is adapted to different transmission conditions or objects, wherein each carrier sweep carries one or more information units or bits, the transmission signal is filtered after being received in the frequency range, in particular for separating multipath components or is cleaned of noise portions and is evaluated from itself with respect to information-carrying signal parameters, the sending device comprising; at least one sender-side generator for generating carrier waves with at least one continuously flowing frequency change (carrier sweeps), a modulator for generating or coding an information signal, a mixer to modulate the information signals of the carrier wave and a send, transformer, and if necessary a filter unit, in particular a bandpass filter unit (BPF) between the mixer and the sender transformer, and at least one receiving device.
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Specification