Methods and apparatus for path discovery between a mobile platform and a ground segment

A ground part, mobile platform technology, applied in the direction of communication between multiple stations, selection devices, radio/inductive link selection arrangements, etc.

Inactive Publication Date: 2004-12-08
THE BOEING CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when a platform can establish a link via more than one transponder, it becomes more likely that the system will misroute data to a terminated or invalid path

Method used

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  • Methods and apparatus for path discovery between a mobile platform and a ground segment
  • Methods and apparatus for path discovery between a mobile platform and a ground segment
  • Methods and apparatus for path discovery between a mobile platform and a ground segment

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Embodiment Construction

[0016] The following description of the preferred embodiment is merely exemplary in nature and should not be used to limit the invention, its application or uses.

[0017] usually in figure 1 Reference numeral 10 is used in to indicate a system according to a preferred embodiment of the present invention. System 10 provides two-way data services and live television programming to mobile platforms 12a-12f in one or more coverage areas 14a and 14b. System 10 includes a ground-based portion 16 , a plurality of orbiting satellites 18 a - 18 f , and a mobile communication system 20 located on each moving platform 12 . Each mobile system 20 is in two-way communication with at least one satellite 18 .

[0018] As described below, the invention in one embodiment focuses on a method for discovering a data routing path from a ground segment to a mobile platform via a satellite link. The mobile platform can include an airplane, cruise ship or any other mobile vehicle. Thus, the illus...

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Abstract

A method for discovering a data routing path via satellite link to a mobile platform from a ground segment of a communications network. The mobile platform and ground segment communicate via satellite transponder. Each transponder has a dedicated ground segment equipment chain. A unique path signature is assigned to each chain. The ground segment multicasts, via the chain(s), message(s) containing the path signature corresponding to the chain(s). The platform transmits, to the ground segment, path signature(s) received by the platform via the message(s). The ground segment maintains information for controlling path discovery. Thus misrouting due to differences in transponder path identification is eliminated.

Description

[0001] Cross References to Related Applications [0002] This application claims priority to U.S. Provisional Application Serial No. 60 / 318,735, filed September 12, 2001, which is currently pending U.S. Patent Application Serial No. 09 / 639,912, filed August 16, 2000 continuation-in-part (continuation-in-part), the disclosure of which is incorporated by reference in the content of this document. technical field [0003] The present invention relates generally to transmitting data content via networked computer systems, and more particularly to finding paths for routing data and video content from terrestrial segments to mobile platforms via satellite links. Background technique [0004] Broadband data and video services are widely available to users on mobile platforms such as airplanes, boats, trains and automobiles. Traditionally, network systems are limited by bandwidth and link capacity, which makes distributing these services to all users on mobile platforms expensive a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B7/26H04B7/185H04B7/19H04N7/14H04N7/173H04N7/20H04W4/06H04W16/26H04W84/06
CPCH04B7/18508H04N7/147H04N7/20
Inventor 戴维·S·帕克曼
Owner THE BOEING CO
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