Optical Communication System And Method For Distributing Content Aboard A Mobile Platform During Travel

• US 20090202241A1
• Filed: 02/06/2009
• Published: 08/13/2009
• Est. Priority Date: 02/08/2008
• Status: Abandoned Application

• Current Assignee: Panasonic Avionics Corporation (Panasonic Holdings Corporation)
• Original Assignee: Panasonic Avionics Corporation (Panasonic Holdings Corporation)
• Inventors: Yu, Jin, Schwarz, Randy K.
• Application Number:
  US12/367,406
• Publication Number:
  US 20090202241A1
• Time in Patent Office: Days
• US Class Current: 398/58
• CPC Class Codes: H04B 10/27 Arrangements for networking
• CPC Class Codes: H04J 14/0226 Fixed carrier allocation, e.g. according to service
• CPC Class Codes: H04J 14/0238 Wavelength allocation for communications one-to-many, e.g. multicasting wavelengths
• CPC Class Codes: H04J 14/0252 Sharing one wavelength for at least a group of ONUs, e.g. for transmissions from-ONU-to-OLT or from-ONU-to-ONU
• CPC Class Codes: H04J 14/0279 WDM point-to-point architectures
• CPC Class Codes: H04J 14/028 WDM bus architectures
• CPC Class Codes: H04J 14/0282 WDM tree architectures
• CPC Class Codes: H04J 14/0283 WDM ring architectures
• CPC Class Codes: H04J 14/0284 WDM mesh architectures
• CPC Class Codes: H04J 2203/0067 Resource management and allocation
• CPC Class Codes: H04J 3/1694 Allocation of channels in TDM/TDMA networks, e.g. distributed multiplexers Passive Optical Networks H04Q11/0062

Abstract

An optical distribution system for vehicle information systems installed aboard passenger vehicles, such as automobiles and aircraft, and methods for manufacturing and using same. Each system resource of the vehicle information system couples with the optical distribution system via an optical transceiver system. The optical transceiver systems provide a link interface between the system resources and the optical distribution system for supporting the transmission and reception of optical communication signals among the system resources via the optical distribution system. The optical distribution system couples the system resources via fiber optic communication connections that can support high data transfer rates. Being light weight, compact, and requiring little, if any, electrical power, the optical distribution system advantageously supports full communications among the system resources of the vehicle information system, while reducing the costs of operating and transporting the vehicle information system aboard the passenger vehicle.

Claims

1. An optical distribution system suitable for use with a vehicle information system installation aboard a passenger vehicle, comprising:

a first optical transceiver system that receives a first encoded electrical communication signal from a head end system of the vehicle information system and converts the first encoded electrical communication signal into a downstream optical communication signal, the first encoded electrical communication signal including viewing content intended for presentation via a selected user interface system of the vehicle information system, the viewing content being encoded with address information associated with the selected user interface system;

an optical splitter system that includes an aggregation port that receives the downstream optical communication signal and a predetermined number of fraction ports, said optical splitter system uniformly routing the downstream optical communication signal to each of said fraction ports; and

a plurality of second optical transceiver systems each receiving the downstream optical communication signal via a relevant fraction port and converting the downstream optical communication signal to recover the first encoded electrical communication signal, each of said second optical transceiver systems providing the first encoded electrical communication signal to an associated user interface system,

wherein the associated user interface system is associated with a unique address and compares the address information with the unique address, the associated user interface system presenting the viewing content if the address information matches the unique address and discarding the viewing content if the address information does not match the unique address.

2. The optical distribution system of claim 1, further comprising:

said second optical transceiver systems each receiving a second encoded electrical communication signal from the associated user interface system and converting the second encoded electrical communication signal into an upstream optical communication signal, the second encoded electrical communication signal including data content intended for the head end system, the data content being encoded with address information associated with the unique address of the associated user interface system;

an optical combiner system that includes an aggregation port and a predetermined number of fraction ports that receive the upstream optical communication signal from a relevant second optical transceiver, said optical combiner system combining the upstream optical communication signal received by each of said fraction ports to form a composite upstream optical communication signal; and

said first optical transceiver system receiving the composite upstream optical communication signal via said aggregation port of said optical combiner system, converting the composite upstream optical communication signal to recover the second encoded electrical communication signal, and providing the second encoded electrical communication signal to the head end system,

wherein the head end system identifies the associated user interface system based upon the address information of the data content and generates an appropriate response to the data content.

3. The optical distribution system of claim 2, wherein said optical splitter system and said optical combiner system are integrated to form an optical splitter/combiner system.

4. The optical distribution system of claim 2, further comprising:

a first wavelength-division multiplexer system that is disposed between said second optical transceiver systems and said optical combiner system, said first wavelength-division multiplexer system receiving the upstream optical communication signal and providing the upstream optical communication signal as a series of periodic communication signal bursts;

said optical combiner system combining the periodic communication signal bursts received by each of said fraction ports to form the composite upstream optical communication signal; and

a second wavelength-division multiplexer system that is disposed between said optical combiner system and said first optical transceiver, said second wavelength-division multiplexer system receiving the composite upstream optical communication signal, recovering the upstream optical communication signal, and providing the upstream optical communication signal to said first optical transceiver,

wherein the head end system and the associated user interface system communicate via a single fiber optic communication connection.

5. The optical distribution system of claim 4, wherein the upstream optical communication signal comprises a high-speed sequential bit stream during a burst window and provides no optical power outside of the burst window.

6. The optical distribution system of claim 4, wherein the upstream optical communication signal comprises a high-speed sequential bit stream during a burst window and provides no optical power outside of the burst window.

7. The optical distribution system of claim 4, wherein a wavelength of the upstream optical communication signal is different from a wavelength of the downstream optical communication signal.

8. The optical distribution system of claim 1, wherein the associated user interface system is disposed adjacent to a passenger seat.

9. The optical distribution system of claim 1, wherein the associated user interface system is disposed adjacent to a passenger seat.

10. The optical distribution system of claim 1, wherein the vehicle information system is suitable for installation aboard an aircraft.

11. A method for distributing viewing content within a vehicle information system installation aboard a passenger vehicle, comprising:

receiving a first encoded electrical communication signal from a head end system of the vehicle information system, the first encoded electrical communication signal including viewing content intended for presentation via a selected user interface system of the vehicle information system, the viewing content being encoded with address information associated with the selected user interface system;

converting the first encoded electrical communication signal into a downstream optical communication signal;

splitting the downstream optical communication signal into a predetermined number of uniform downstream optical communication signals;

converting the downstream optical communication signal to recover the first encoded electrical communication signal; and

providing the recovered first encoded electrical communication signal to an associated user interface system,

wherein the associated user interface system is associated with a unique address and compares the address information with the unique address, the associated user interface system presenting the viewing content if the address information matches the unique address and discarding the viewing content if the address information does not match the unique address.

12. An optical distribution system suitable for use with a vehicle information system installation aboard a passenger vehicle, comprising:

first and second optical transceiver systems that receive a first encoded electrical communication signal from a head end system of the vehicle information system and converts the first encoded electrical communication signal into a downstream optical communication signal, the first encoded electrical communication signal including viewing content intended for presentation via a selected user interface system of the vehicle information system, the viewing content being encoded with address information associated with the selected user interface system;

first and second optical splitter systems respectively coupled with said first and second optical transceiver systems, each of said optical splitter system including an aggregation port that receives the downstream optical communication signal and uniformly routing the downstream optical communication signal to each of a predetermined number of fraction ports; and

a plurality of third and fourth optical transceiver systems respectively coupled with said first and second optical splitter systems, said third and fourth optical transceiver systems each receiving the downstream optical communication signal via a relevant fraction port, converting the downstream optical communication signal to recover the first encoded electrical communication signal, said third optical transceiver system providing the first encoded electrical communication signal to a first associated user interface system, said fourth optical transceiver system providing the first encoded electrical communication signal to a second associated user interface system,

wherein the first and second associated user interface systems each are associated with a unique address and compares the address information with the unique address, the first and second associated user interface systems presenting the viewing content if the address information matches the unique address and discarding the viewing content if the address information does not match the unique address.

13. A vehicle information system suitable for installation aboard a passenger vehicle, comprising:

a head end system;

a plurality of user interface system; and

an optical distribution coupling said head end system with said user interface system and comprising;

a first optical transceiver system that receives a first encoded electrical communication signal from said head end system and converts the first encoded electrical communication signal into a downstream optical communication signal, the first encoded electrical communication signal including viewing content intended for presentation via a selected user interface system, the viewing content being encoded with address information associated with said selected user interface system;

an optical splitter system that includes an aggregation port that receives the downstream optical communication signal and a predetermined number of fraction ports, said optical splitter system uniformly routing the downstream optical communication signal to each of said fraction ports; and

a plurality of second optical transceiver systems each receiving the downstream optical communication signal via a relevant fraction port and converting the downstream optical communication signal to recover the first encoded electrical communication signal, each of said second optical transceiver systems providing the first encoded electrical communication signal to an associated user interface system,

wherein said associated user interface system is associated with a unique address and compares the address information with said unique address, said associated user interface system presenting the viewing content if the address information matches said unique address and discarding the viewing content if the address information does not match said unique address.

14. An aircraft, comprising:

a fuselage and a plurality of passenger seats arranged within the fuselage; and

a vehicle information system coupled with said fuselage and comprising;

a head end system that provides overall system control functions for the vehicle information system and that includes a content source;

a plurality of user interface system each including a user input system for selecting viewing content available from said head end system and a content presentation system for presenting the selected viewing content; and

an optical distribution coupling said head end system with said user interface system and comprising;

a first optical transceiver system that receives a first encoded electrical communication signal from said head end system and converts the first encoded electrical communication signal into a downstream optical communication signal, the first encoded electrical communication signal including viewing content intended for presentation via a selected user interface system, the viewing content being encoded with address information associated with said selected user interface system;

an optical splitter system that includes an aggregation port that receives the downstream optical communication signal and a predetermined number of fraction ports, said optical splitter system uniformly routing the downstream optical communication signal to each of said fraction ports; and

a plurality of second optical transceiver systems each receiving the downstream optical communication signal via a relevant fraction port and converting the downstream optical communication signal to recover the first encoded electrical communication signal, each of said second optical transceiver systems providing the first encoded electrical communication signal to an associated user interface system,

wherein said associated user interface system is associated with a unique address and compares the address information with said unique address, said associated user interface system presenting the viewing content if the address information matches said unique address and discarding the viewing content if the address information does not match said unique address.