System and method for transmitting ACARS messages over a TCP/IP data communication link
First Claim
Patent Images
1. An ACARS messaging method comprising:
- obtaining an ACARS message containing message content;
encoding said ACARS message into an ASN.1 compliant message containing said message content;
translating said ASN.1 compliant message into an ACARS-IP message containing said message content, said ACARS-IP message being compliant with the TCP/IP suite of protocols; and
transmitting said ACARS-IP message between an aircraft and a message processing server via a TCP/IP datalink.
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Abstract
An ACARS messaging system according to the invention is deployed when a TCP/IP subnetwork is available to the aircraft. ACARS messages are encoded into ASN.1 notation and translated to become compliant with the TCP/IP suite of protocols. A wireless subnetwork provides the initial access point to establish the TCP/IP datalink for the ACARS message traffic. The system allows transmission of ACARS messages using low cost and high bandwidth TCP/IP networks in lieu of the private networks that carry conventional ACARS messages.
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Citations
37 Claims
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1. An ACARS messaging method comprising:
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obtaining an ACARS message containing message content; encoding said ACARS message into an ASN.1 compliant message containing said message content; translating said ASN.1 compliant message into an ACARS-IP message containing said message content, said ACARS-IP message being compliant with the TCP/IP suite of protocols; and transmitting said ACARS-IP message between an aircraft and a message processing server via a TCP/IP datalink. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. An ACARS messaging system comprising:
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means for obtaining an ACARS message containing message content; means for encoding said ACARS message into an ASN.1 compliant message containing said message content; means for translating said ASN.1 compliant message into an ACARS-IP message containing said message content, said ACARS-IP message being compliant with the TCP/IP suite of protocols; and means for transmitting said ACARS-IP message between an aircraft and a message processing server via a TCP/IP datalink. - View Dependent Claims (10, 11)
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12. A downlink ACARS messaging method comprising:
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establishing a TCP/IP datalink between an aircraft and a message processing server; encoding a handshake message containing an aircraft registration number for said aircraft into an ASN.1 compliant handshake message containing said aircraft registration number; translating said ASN.1 compliant handshake message into an ACARS-IP handshake message containing said aircraft registration number, said ACARS-IP handshake message being compliant with the TCP/IP suite of protocols; and transmitting said ACARS-IP handshake message to said message processing server via said TCP/IP datalink. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19)
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20. An uplink ACARS messaging method comprising:
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establishing a TCP/IP datalink between an aircraft and a message processing server; encoding a handshake message containing an identifier for said message processing server into an ASN.1 compliant handshake message containing said identifier; translating said ASN.1 compliant handshake message into an ACARS-IP handshake message containing said identifier, said ACARS-IP handshake message being compliant with the TCP/IP suite of protocols; and transmitting said ACARS-IP handshake message to said aircraft via said TCP/IP datalink. - View Dependent Claims (21, 22, 23, 24, 25, 26)
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27. An ACARS messaging method comprising:
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establishing a TCP/IP datalink between an aircraft and a message processing server; obtaining an ACARS message containing message content; encoding said ACARS message into an ASN.1 compliant message containing said message content; translating said ASN.1 compliant message into an ACARS-IP message containing said message content, said ACARS-IP message being compliant with the TCP/IP suite of protocols; transmitting said ACARS-IP message via said TCP/IP datalink; receiving said ACARS-IP message to obtain a received ACARS-IP message; and extracting said message content from said received ACARS-IP message. - View Dependent Claims (28, 29, 30, 31, 32)
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33. An ACARS messaging system for an aircraft, said system comprising:
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a ACARS router; an onboard data communication element for said ACARS router, said data communication element being configured to establish a TCP/IP datalink between said aircraft and a message processing server; said ACARS router being configured to encode an ACARS message into an ASN.1 compliant message containing message content and to translate said ASN.1 compliant message into an ACARS-IP message containing said message content, said ACARS-IP message being compliant with the TCP/IP suite of protocols; and said data communication element being configured to transmit said ACARS-IP message between said aircraft and said message processing server via said TCP/IP datalink. - View Dependent Claims (34, 35, 36, 37)
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Specification