Apparatus and method for communications management

Patent metadata

Field	Value
Publication number	US-10368289-B2
Application number	US-201615747682-A
Country	US
Kind code	B2
Filing date	Aug 10, 2016
Priority date	Aug 13, 2015
Publication date	Jul 30, 2019
Grant date	Jul 30, 2019

Abstract

Apparatus for generating a connectivity map in respect of a communications system of a moving platform, said communications system comprising at least one platform application and being configured to effect wireless data communication between said platform and another node by means of one of a plurality of supported communications links in accordance with a communications plan, wherein said apparatus is configured to: —identify ( 700 ) a message or set of messages required to be transmitted from or received by said moving platform; —generate a connectivity map comprising a plurality of connectivity metrics by, for each of a plurality of different specified attitudes or orientations derived from one or more predicted trajectories of said moving platform: —identifying available transmitters for wireless transmission of said message or set of messages and/or identify available receivers for wireless reception of said message or set of messages; —for each identified transmitter, determining ( 702 ) a transmitter metric and/or for each identified receiver, determining ( 702 ) a receiver metric; and —defining ( 704 ) a connectivity metric, based on said transmitter metrics and/or receiver metrics for said respective specified attitude or orientation, said connectivity metric being representative of a quality of a respective associated communications link for effecting transmission or reception by said platform of said message or set of messages in respect of said respective specified attitude or orientation of said moving platform.

First claim

What is claimed is:

1. Apparatus for generating a connectivity map in respect of a communications system of a moving platform, said communications system comprising at least one platform application and being configured to effect wireless data communication between said platform and another node by means of one of a plurality of supported communications links in accordance with a communications plan, wherein said apparatus is configured to: identify a message or set of messages required to be transmitted from or received by said moving platform; and generate a connectivity map comprising a plurality of connectivity metrics by, for each of a plurality of different specified attitudes or orientations derived from one or more predicted trajectories of said moving platform: identifying available transmitters for wireless transmission of said message or set of messages and/or identify available receivers for wireless reception of said message or set of messages; for each identified transmitter, determining a transmitter metric and/or for each identified receiver, determining a receiver metric; defining a connectivity metric, based on said transmitter metrics and/or receiver metrics for said respective specified attitude or orientation, said connectivity metric being representative of a quality of a respective associated communications link for effecting transmission or reception by said platform of said message or set of messages in respect of said respective specified attitude or orientation of said moving platform; and
a management system for a moving platform comprising a plurality of systems and at least one platform application, a dynamic route planner configured to generate a new heading plan in respect of said moving platform, a platform application and being configured to effect wireless data communication supported communications links in accordance with a communications plan, wherein said dynamic route planner or said dynamic obstacle avoidance planner is configured to use said connectivity map to generate a route plan or heading plan including an attitude/orientation of said moving platform corresponding to a selected connectivity metric.

2. The apparatus according to claim 1 , wherein said moving platform comprises an airborne vehicle, and said specified attitude or orientation comprises a specified heading and/or banking angle of said airborne vehicle.

3. The apparatus according to claim 1 , configured to calculate, in respect of each identified transmitter, said transmitter metric for at least a portion of said predicted trajectory of said moving platform by:
obtaining a transmitter preference value and a transmitter availability value;
estimating a link quality or obtaining a measured link quality of the respective associated communications link using data obtained from one or more systems/subsystems of said moving platform; and
calculating said transmitter metric using said transmitter preference, transmitter availability and estimated and/or measured link quality values.

4. The apparatus according to claim 1 , configured to calculate, in respect of each identified receiver, said receiver metric for at least a portion of said predicted trajectory of said moving platform by:
obtaining a receiver preference value and a transmitter availability value;

estimating a link quality or obtaining a measured link quality of the respective associated communications link using data obtained from one or more systems/subsystems of said moving platform; and
calculating said receiver metric using said receiver preference, transmitter availability and estimated and/or measured link quality values.

5. The apparatus according to claim 1 , wherein, for each of said specified attitudes or orientations, a transmitter metric or receiver metric is calculated in respect of each of a plurality of portions of at least one predicted trajectory of said moving platform.

6. The apparatus according to claim 5 , wherein each said connectivity metric for a communications link is defined using said respective transmitter metrics or receiver metrics determined for said plurality of portions of said predicted trajectory in respect thereof.

7. The apparatus according to claim 1 , wherein said connectivity metric for a communications link is equal to said respective transmitter/receiver metric, or a sum of a plurality of respective transmitter/receiver metrics, determined for a predicted trajectory of said moving platform.

8. The apparatus according to claim 1 , wherein said connectivity metric for a communications link is defined as a binary value, integer values or non-integer values indicative of a quality of the respective communications link for transmitting/receiving said message or set of messages in respect of a specified attitude or orientation of said moving platform.

9. The apparatus according to claim 1 , configured to identify a communications link having a highest transmitter/receiver metric, and define said connectivity metric based on said identified communications link.

10. The apparatus according to claim 1 , configured to identify, for a specified attitude or orientation of said moving platform, more than one communications link having the best transmitter/receiver metrics, and define a plurality of said connectivity metrics based on each said communications link.

11. The apparatus according to claim 1 , wherein a jointly optimised connectivity metric is calculated for a plurality of messages or message sets.

12. The apparatus according to claim 1 , configured to:
identify a plurality of messages or sets of messages required to be transmitted from or received by said moving platform; and
generate a connectivity map comprising a plurality of connectivity metrics by, for each of a plurality of different specified attitudes or orientations derived from one or more predicted trajectories of said moving platform:
identifying available transmitters for wireless transmission of said plurality of messages or sets of messages and/or identify available receivers for wireless reception of said plurality of messages or sets of messages;
for each identified transmitter, determining a transmitter metric and/or for each identified receiver, determining a receiver metric; and
for all of said plurality of messages or sets of messages, defining a combined connectivity metric, based on said transmitter metrics and/or receiver metrics for said respective specified attitude or orientation, said combined connectivity metric being representative of a quality of a respective associated communications link for effecting transmission or reception by said platform of said plurality of messages or sets of messages in respect of said respective specified attitude or orientation of said moving platform.

13. The apparatus according to claim 1 , configured to cause said connectivity map to be stored and/or transmitted to a dynamic route planner or dynamic obstacle avoidance planner of said moving platform.

14. A method for generating connectivity data in respect of a communications system of a moving platform, said communications system comprising at least one platform application and being configured to effect wireless data communication between said platform and another node by means of one of a plurality of supported communications links in accordance with a communications plan, wherein said method comprises: identifying a message or set of messages required to be transmitted from or received by said moving platform; and generating a connectivity map comprising a plurality of connectivity metrics by, for each of a plurality of different specified attitudes or orientations

Assignees

• Bae Systems Plc

Inventors

• Hudson Peter Noble
• Eissa Rania Hamdi
• Buchanan Roderick

Classifications

• G08G5/0069

  Physics · mapped topic

• H04W40/18 Primary

  based on predicted events · CPC title

• G08G5/0091

  Physics · mapped topic

• G08G5/0052

  Physics · mapped topic

• H04B7/18506 Primary

  Communications with or from aircraft, i.e. aeronautical mobile service · CPC title