Integrated traffic surveillance apparatus
First Claim
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1. An integrated traffic surveillance apparatus, comprising:
- a digital signal processor structured to receive as inputs thereto a plurality of L-band radio frequency signals containing a plurality of traffic data comprising both Mode Select and collision avoidance data;
software resident on the processor comprising executable program code for implementing a plurality of traffic surveillance functionalities comprising both Mode Select and collision avoidance functionalities; and
wherein the processor is structured for simultaneously operating the software implementing both the Mode Select and collision avoidance functionalities.
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Abstract
An apparatus and method for combining the functionality of multiple airborne traffic surveillance systems that operate in the L-band frequency range. The apparatus and method combine the functionality of both a Traffic Alert Collision Avoidance System (TCAS) and a Mode-Select (Mode-S) transponder in an integrated L-band traffic surveillance apparatus having a single processor that is embodied in a single Line Replaceable Unit.
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Citations
24 Claims
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1. An integrated traffic surveillance apparatus, comprising:
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a digital signal processor structured to receive as inputs thereto a plurality of L-band radio frequency signals containing a plurality of traffic data comprising both Mode Select and collision avoidance data; software resident on the processor comprising executable program code for implementing a plurality of traffic surveillance functionalities comprising both Mode Select and collision avoidance functionalities; and wherein the processor is structured for simultaneously operating the software implementing both the Mode Select and collision avoidance functionalities. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An integrated traffic surveillance apparatus, comprising:
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a radio frequency module comprising a L-band radio frequency transmitter and receiver and being structured to interface with a pair of directional antennas for transmitting and receiving Mode Select and collision avoidance interrogation and reply signals; a radio frequency synthesizer and intermediate frequency module comprising a plurality of receiver channels for a collision avoidance radio frequency and one or more dedicated receiver channels for a Mode Select radio frequency, the radio frequency synthesizer and intermediate frequency module being coupled to the radio frequency module for transmitting and receiving Mode Select and collision avoidance interrogation and reply signals; and a digital module coupled to the radio frequency module to control the interrogation and reply signals, the digital module comprising a central processing unit structured for simultaneously operating resident executable programming code for common signal processing of different Mode Select and collision avoidance interrogation and reply signals. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16)
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17. An integrated traffic surveillance apparatus, comprising:
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a pair of common directional antennas structured for transmitting and receiving L-band radio frequency signals; a common radio frequency transmitter coupled to each of the common antennas for transmitting Mode Select and traffic alert collision avoidance system (TCAS) signals; a common radio frequency receiver coupled to the common antennas for receiving Mode Select and TCAS signals; and a digital signal processor coupled to both the transmitter and the receiver, the signal processor having a different Mode Select and TCAS signal processing circuits and being structured for simultaneously processing the Mode Select and TCAS signals. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24)
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Specification