Communicating Distinct Data Using Polarized Data Signals
First Claim
1. A method of communicating distinct data over a single frequency using polarized data signals, comprising the steps of:
- providing data signals conveying first data, second data, and third data, wherein said data signals are of said single frequency;
polarizing said data signals in a first polarization scheme and a second polarization scheme, wherein said polarized data signals comprise a first data signal, a second data signal, a third data signal, and an inverse of said third data signal;
transmitting said third data signal and said inverse of said third data signal in said first polarization scheme from one transmitting station, and transmitting said first data signal and said second data signal in said second polarization scheme from one of said one transmitting station and other transmitting stations, to one or more receiving stations; and
receiving said transmitted data signals in said first polarization scheme and said second polarization scheme at said one or more receiving stations, wherein said first data, said second data, and said third data are obtained from said received data signals;
whereby amount of distinct data transmitted to said receiving stations over said single frequency is increased without causing interference between said data signals.
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Abstract
A method and system is provided for communicating distinct data over a single frequency using multiple polarized data signals. Data signals of the single frequency conveying first data, second data, and third data are polarized in a first polarization scheme and a second polarization scheme. The data signals comprise a first data signal, a second data signal, a third data signal, and inverse of the third data signal in a first configuration or a second configuration. The polarized data signals are transmitted from transmitting stations to one or more receiving stations. The first data, second data, and third data are obtained from the data signals received at the receiving stations using an antenna of a first polarity and an antenna of a second polarity. The amount of distinct data transmitted over the single frequency is increased by, for example, about 50% without causing interference between the data signals.
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Citations
19 Claims
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1. A method of communicating distinct data over a single frequency using polarized data signals, comprising the steps of:
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providing data signals conveying first data, second data, and third data, wherein said data signals are of said single frequency; polarizing said data signals in a first polarization scheme and a second polarization scheme, wherein said polarized data signals comprise a first data signal, a second data signal, a third data signal, and an inverse of said third data signal; transmitting said third data signal and said inverse of said third data signal in said first polarization scheme from one transmitting station, and transmitting said first data signal and said second data signal in said second polarization scheme from one of said one transmitting station and other transmitting stations, to one or more receiving stations; and receiving said transmitted data signals in said first polarization scheme and said second polarization scheme at said one or more receiving stations, wherein said first data, said second data, and said third data are obtained from said received data signals; whereby amount of distinct data transmitted to said receiving stations over said single frequency is increased without causing interference between said data signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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15. A method of communicating distinct data over a single frequency using a plurality of polarized data signals, comprising the steps of:
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providing a plurality of data signals conveying first data, second data, and third data, wherein said data signals are of said single frequency;
polarizing said data signals in a first polarization scheme and a second polarization scheme, wherein said polarized data signals comprise a first set of polarized data signals in a first polarization scheme and a second set of polarized data signals in a second polarization scheme, wherein said first set of polarized data signals comprises a first data signal and a second data signal, wherein said second set of polarized data signals comprises two identical carrier signals, wherein each of said identical carrier signals carries a data signal 180 degrees opposite to each other;transmitting said polarized data signals from one or more transmitting stations to each of one or more receiving stations; and receiving said transmitted data signals in said first polarization scheme and said second polarization scheme at said one or more receiving stations, wherein said first data, said second data, and said third data are obtained from said received data signals; whereby amount of distinct data transmitted to said one or more receiving stations over said single frequency is increased without causing interference between said data signals. - View Dependent Claims (16, 17)
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18. A system for communicating distinct data over a single frequency using a plurality of polarized data signals, comprising:
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a data source for providing a plurality of data signals conveying first data, second data, and third data, wherein said data signals are of said single frequency; a polarizer for polarizing each of said data signals in a first polarization scheme and a second polarization scheme, wherein said polarized data signals comprise a first data signal, a second data signal, a third data signal, and an inverse of said third data signal; one or more transmitting stations for transmitting said polarized data signals to one or more receiving stations, wherein said third data signal and said inverse of said third data signal is transmitted from one of said transmitting stations in said first polarization scheme, and wherein said first data signal is transmitted from one of said one of said transmitting stations and other of said transmitting stations in said second polarization scheme, and wherein said second data signal is transmitted from one of said one of said transmitting stations and other of said transmitting stations; and said receiving stations comprising antennas of a first polarity and of a second polarity for receiving said transmitted data signals, wherein said first data, said second data, and said third data are obtained from said received data signals. - View Dependent Claims (19)
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Specification