Dual transmitting antenna system
First Claim
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1. A vehicle system, comprising:
- a signal processing module;
a first transmitting device that provides a first transmitted signal that has a first phase;
a second transmitting device that provides a second transmitted signal that has a second phase that differs from said first phase; and
at least one receive antenna that receives first and second received signals that correspond to said first and second transmitted signals, respectively, wherein said signal processing module processes said received first and second signals based on said first and second transmitted signals and selectively controls transmissions of said first and second transmitted signals.
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Abstract
A vehicle system includes a signal processing module and a first antenna that provides a first transmitted signal that has a first phase. A second antenna of the system provides a second transmitted signal that has a second phase that differs from the first phase. At least one receive antenna of the vehicle system receives first and second received signals that correspond to the first and second transmitted signals, respectively. The signal processing module processes the received first and second signals based on the first and second transmitted signals and selectively controls transmissions of the first and second transmitted signals.
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Citations
20 Claims
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1. A vehicle system, comprising:
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a signal processing module; a first transmitting device that provides a first transmitted signal that has a first phase; a second transmitting device that provides a second transmitted signal that has a second phase that differs from said first phase; and at least one receive antenna that receives first and second received signals that correspond to said first and second transmitted signals, respectively, wherein said signal processing module processes said received first and second signals based on said first and second transmitted signals and selectively controls transmissions of said first and second transmitted signals. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A system for a vehicle, comprising:
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signal processing means for processing signals; first antenna means for providing a first transmitted signal that has a first phase; second antenna means for providing a second transmitted signal that has a second phase that differs from said first phase by a predetermined amount, wherein said first and second antenna means are contiguously collocated, wherein said first antenna means is directed above a centerline of the vehicle, and wherein said second antenna means is directed below said centerline of the vehicle; and at least one receive antenna means for receiving said first and second received signals that correspond to said first and second transmitted signals, respectively, wherein said signal processing means processes said received first and second signals based on said first and second transmitted signals and selectively controls transmissions of said first and second transmitted signals. - View Dependent Claims (17, 18, 19)
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20. A method for operating a system for a vehicle, comprising:
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providing a first transmitted signal that has a first phase from a first antenna that is directed at least partially above a centerline of the vehicle; providing a second transmitted signal that has a second phase that differs from said first phase from a second antenna that is directed below said centerline; receiving said first and second received signals that correspond to said first and second transmitted signals, respectively; processing said received first and second signals based on said first and second transmitted signals; and selectively controlling transmissions of said first and second transmitted signals.
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Specification