Communication method and device
First Claim
Patent Images
1. A method of modulating a signal, the method comprising:
- determining a predefined time period during which a portion of the signal is able to be encoded, the predefined time period comprising a plurality of time intervals;
encoding the signal in association with at least one time interval of the plurality of time intervals, the encoding providing modulation symbols associated with the predefined time period; and
suppressing, in a data sequence of the encoded signal, a transition of any modulation symbol having only one transition and representing at least one of an amplitude change and a phase change in a first time interval of the predefined time period except where there are two or more sequential modulation symbols in the data sequence of the encoded signal that have only one transition and represent at least one of an amplitude change and a phase change in the first time interval in which case only the transition of the first one of the two or more sequential modulation symbols is suppressed.
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Abstract
The present invention relates to the field of communication and transmission of signals. In particular, the present invention relates to a new communication and/or modulation method. The present invention also relates to improving channel occupancy. The present specification discloses the adoption of phase transitions/changes in a manner that indicates a code by virtue of their position (timing) in the communication. This is referred to as Phase Position Modulation.
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Citations
20 Claims
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1. A method of modulating a signal, the method comprising:
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determining a predefined time period during which a portion of the signal is able to be encoded, the predefined time period comprising a plurality of time intervals; encoding the signal in association with at least one time interval of the plurality of time intervals, the encoding providing modulation symbols associated with the predefined time period; and suppressing, in a data sequence of the encoded signal, a transition of any modulation symbol having only one transition and representing at least one of an amplitude change and a phase change in a first time interval of the predefined time period except where there are two or more sequential modulation symbols in the data sequence of the encoded signal that have only one transition and represent at least one of an amplitude change and a phase change in the first time interval in which case only the transition of the first one of the two or more sequential modulation symbols is suppressed. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A method of encoding at least one of data and a signal, the method comprising:
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determining a predefined time period during which a portion of the at least one of data and a signal is able to be encoded, the predefined time period comprising a plurality of time intervals; encoding the at least one of data and a signal in accordance with a change of at least one of an amplitude change and a phase change relative to at least one of a time interval and a position of the at least one of data and a signal, the encoding providing at least one modulation symbol associated with the time interval; and suppressing, in a data sequence of the encoded signal, a transition of any modulation symbol having only one transition that represents at least one of an amplitude Change and a phase change in a first time interval of the predefined time period except where there are two or more sequential modulation symbols in the data sequence of the encoded signal that have only one transition representing at least one of an amplitude change and a phase change in the first time interval in which case only the transition of the first one of the two or more sequential modulation symbols is suppressed. - View Dependent Claims (9)
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10. A method of converting at least one of data and a signal, the method comprising:
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determining a predefined time period during which a portion of the at least one of data and a signal is able to be converted, the time period comprising a plurality of time intervals; converting the at least one of data and a signal in accordance with a change of at least one of an amplitude change and a phase change relative to at least one of a time interval and a position of the signal, the encoding converting providing at least one modulation symbol associated with the time interval; and suppressing, in a data sequence of the encoded signal, a transition of any modulation symbol having only one transition that represents at least one of an amplitude change and a phase change in a first time interval of the predefined time period except where there are two or more sequential modulation symbols in the data sequence of the encoded signal that have only one transition representing at least one of an amplitude change and a phase change in the first time interval in which case only the transition of the first one of the two or more sequential modulation symbols is suppressed. - View Dependent Claims (11)
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12. A method of demodulating a signal, the method comprising:
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receiving the signal; determining a predefined time period during which a portion of the signal is able to be transmitted, the predefined time period comprising a plurality of time intervals; and decoding the signal in association with at least one time interval of the plurality of time intervals, the decoding comprising; detecting at least one of an amplitude change and a phase change relative to at least one of a time interval and a position of the signal; and detecting, from a data sequence of the decoded signal, suppression of a Transition of a modulation symbol representing at least one of an amplitude change and a phase change in a first time interval of the plurality of time intervals. - View Dependent Claims (13)
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14. A method of decoding at least one of data and a signal, the method comprising:
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decoding the at least one of data and a signal in accordance with a change of at least one of an amplitude change and a phase change relative to at least one of a time interval and a position of the signal; and detecting, from a data sequence of the decoded at least one of data and a signal, suppression of a transition of a modulation symbol representing at least one of an amplitude change and a phase change in a first time interval of a plurality of time intervals. - View Dependent Claims (15)
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16. An apparatus adapted to modulate a signal, the apparatus comprising:
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an encoding circuit adapted to encode the signal in association with at least one time interval, the at least one time interval being determined by a predefined time period during which a portion of the signal is able to be encoded, the predefined time period comprising a plurality of time intervals; wherein the encoding provides at least one modulation symbol associated with the predefined time period and having only one transition that represents at least one of an amplitude change and a phase change relative to at least one of a time interval and a position of the signal, and wherein, in a data sequence of the encoded signal, a transition of any modulation symbol having only one transition that represents at least one of an amplitude change and a phase change in a first time interval of the predefined time period is suppressed except where there are two or more sequential modulation symbols in the data sequence of the encoded signal that have only one transition that represents at least one of an amplitude change and a phase change in the first time interval in which case only the transition of the first one of the two or more sequential modulation symbols is suppressed. - View Dependent Claims (17)
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18. An apparatus adapted to encode at least one of data and a signal, the apparatus comprising:
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an encoding circuit adapted to encode the at least one of data and a signal in accordance with a change of at least one of an amplitude change and a phase change relative to at least one of a time interval and a position of the at least one of data and a signal, the time interval being determined by a predefined time period during which a portion of the at least one of data and a signal is able to be encoded, the predefined time period comprising a plurality of time intervals, the encoding providing at least one modulation symbol associated with the time interval; and wherein, in a data sequence of the encoded signal, a transition of any modulation symbol having only one transition that represents at least one of an amplitude change and a phase change in a first time interval of the predefined time period is suppressed except where there are two or more sequential modulation symbols in the data sequence of the encoded signal that have only one transition that represents at least one of an amplitude change and a phase change in the first time interval in which case only the transition of the first one of the two or more sequential modulation symbols is suppressed. - View Dependent Claims (19)
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20. An apparatus adapted to convert at least one of data and a signal from a first format to a second format, the apparatus comprising:
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an encoding circuit adapted to convert the at least one of data and a signal in accordance with at least one of a change of amplitude and phase relative to at least one of a time interval and a position of the at least one of data and a signal, the time interval being determined by a predefined time period during which a portion of the at least one of data and a signal is able to be subject to conversion, the predefined time period comprising a plurality of time intervals, the conversion providing at least one modulation symbol associated with the time interval; and wherein, in a data sequence of the encoded signal, a transition of any modulation symbol having only one transition that represents at least one of an amplitude change and a phase change in a first time interval of the predefined time period is suppressed except where there are two or more sequential modulation symbols in the data sequence of the encoded signal that have only one transition that represents at least one of an amplitude change and a phase change in the first time interval in which case only the transition of the first one of the two or more sequential modulation symbols is suppressed.
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Specification