Communication Via A Multimode Constellation
First Claim
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1. An apparatus, comprising:
- a digital data transmitter capable of sequentially exciting different sets of one or more propagation modes in a physical communication channel, each set of one or more propagation modes having a different spatial distribution of transmitted energy in the physical communication channel; and
wherein the digital data transmitter is configured to change the excited set of one or more propagation modes to transmit a different value of data to the communication channel.
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Abstract
An apparatus includes a digital data transmitter capable of sequentially exciting different sets of one or more propagation modes in a physical communication channel. Each set of one or more propagation modes has a different spatial distribution of transmitted energy in the channel. The digital data transmitter is configured to sequentially change the excited set of one or more propagation modes to transmit a different value of data to the communication channel.
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Citations
20 Claims
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1. An apparatus, comprising:
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a digital data transmitter capable of sequentially exciting different sets of one or more propagation modes in a physical communication channel, each set of one or more propagation modes having a different spatial distribution of transmitted energy in the physical communication channel; and wherein the digital data transmitter is configured to change the excited set of one or more propagation modes to transmit a different value of data to the communication channel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An apparatus, comprising:
a digital data receiver being configured to measure a spatial energy distribution of one or more received electromagnetic signals in each temporal symbol period of a sequence and being configured to identify a set of one or more propagation modes excited in a physical communication channel by a transmitter from the spatial energy distribution measured for the corresponding temporal symbol period. - View Dependent Claims (10, 11, 12, 13)
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14. A method for point-to-point transmission of digital data, comprising:
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receiving a sequence of digital data in a digital data transmitter; for each received digital datum of the sequence, selecting a corresponding set of one or more propagation modes in the digital data transmitter such that different ones of the sets are selected for different values of the digital data; with the digital data transmitter, successively exciting each selected set of one or more propagation modes in the physical communication channel during a corresponding temporal symbol period; and wherein each set produces a different spatial energy pattern at a detector of a digital data receiver. - View Dependent Claims (15, 16, 17)
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18. A method for point-to-point reception of data, comprising:
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at each temporal symbol slot of a sequence thereof, measuring a spatial energy distribution of an electromagnetic signal received at a digital data receiver from a physical communication channel; and from each measured spatial energy distribution, selecting a set of one or more propagation modes that likely excited the received spatial energy distribution in the corresponding temporal symbol slot. - View Dependent Claims (19, 20)
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Specification