Open wireless architecture (OWA) unified airborne and terrestrial communications architecture

• US 10,461,842 B2
• Filed: 02/10/2018
• Issued: 10/29/2019
• Est. Priority Date: 01/07/2016
• Status: Expired due to Fees

• Current Assignee: Michael Lu, Wei Lu
• Original Assignee: Michael Lu, Wei Lu
• Inventors: Lu, Wei, Lu, Michael
• Primary Examiner(s): Choi, Eunsook
• Application Number:
  US15/893,590
• Publication Number:
  US 20180241463A1
• Time in Patent Office: 626 Days
• Field of Search: None
• CPC Class Codes: H04B 7/18506 Communications with or from aircraft, i.e. aeronautical mobile service
• CPC Class Codes: H04W 36/00692 using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO] allocation of physical resources in CoMP or in CA H04L5/0035
• CPC Class Codes: H04W 36/06 Reselecting a communication resource in the serving access point
• CPC Class Codes: H04W 36/18 for allowing seamless reselection, e.g. soft reselection
• CPC Class Codes: H04W 36/32 by location or mobility data, e.g. speed data
• CPC Class Codes: H04W 36/324 by mobility data, e.g. speed data
• CPC Class Codes: H04W 36/328 by altitude
• CPC Class Codes: H04W 84/005 Moving wireless networks
• CPC Class Codes: H04W 84/06 Airborne or Satellite Networks space-based or airborne stations H04B7/185
• CPC Class Codes: H04W 84/18 Self-organising networks, e.g. ad-hoc networks or sensor networks

Abstract

This invention relates to an Open Wireless Architecture (OWA) unified airborne and terrestrial communications architecture providing optimal high-speed connections with open radio transmission technologies (RTTs) between aircrafts and ground cells, and between different aircrafts in Ad-Hoc or Mesh network group, to construct the multi-dimensional unified information delivery platform across the airborne networks and the terrestrial networks wherein the same OWA mobile device or OWA mobile computer can be used seamlessly and continuously both in the aircrafts and on the ground.

Claims

1. An airborne mesh network based on Open Wireless Architecture (OWA), said system comprising:

a) Ground Airport as mesh gateway connecting nearby multiple aircrafts in the sky with Ground Networks through OWA connections,

b) Mesh Router Aircraft (MRA) as mesh router connecting to said airport (mesh gateway) when close to said airport before landing, after takeoff or passing-by,

c) Ground Cell, as ATG (Aircraft To Ground) gateway, either on ground or at the top of mountain, connecting nearby multiple aircrafts in the sky with Ground Networks through OWA connections,

d) Non-Router Aircraft (NRA) as mesh client or ATG client connecting to said MRA (mesh router) or said Ground Cell (ATG gateway) when far away from said airport,

e) processor and memory in said ATG client to process airborne mobile handover protocol when connecting said NRA with said Ground Cell,

f) processor and memory in said mesh client to process mesh networking protocol when connecting said NRA with said airport through said MRA, and

g) Aircraft Status and Connection Table (ASCT) of mesh network group, distributed to each member aircraft of said group, updating aircraft status (said NRA or said MRA) and connection information among group aircrafts, and

wherein NRA connections comprise MRA-NRA mode, Relay+ATG mode and ATG Handover mode.

2. The system as recited in claim 1, wherein said OWA connections comprise connections by open RTTs (radio transmission technologies) and open optical communications, wherein said RTTs include Code Division Multiplex Access (CDMA), Time Division Multiplex Access (TDMA), OFDMA (Orthogonal Frequency Division Multiplex Access), SDMA (Space Division Multiplex Access), millimeter-wave (mmWave) technology and their combinations, and said optical communications include optical laser connection.

3. The system as recited in claim 1, wherein said airborne mobile handover protocol is based on predictable on-scheduled handover across said Ground Cells, supporting both hard handover with one ATG link for one handover and soft handover with at least two said ATG links during one handover.

4. The system as recited in claim 3, wherein said ATG link is based on OWA technology wherein uplink (from ground to aircraft) and downlink (from aircraft to ground) in each said ATG link are able to use different said RTTs or said optical communications to optimize system and transmission performance, and wherein, said uplink is a broadband very high-speed link consuming more energy on ground while said downlink needs to consider energy efficiency in aircrafts.

5. The system as recited in claim 1, wherein said mesh networking protocol comprising:

a) any said NRA turning to be said MRA when being close to said airport, either prior to landing, after takeoff or passing by, with acceptable said OWA connections between said MRA and said airport based on signal strength and bandwidth measurement,

b) said MRA turning back to be said NRA after being far away from said airport, with unacceptable said OWA connections between said MRA and said airport based on signal strength and bandwidth measurement,

c) said NRA requesting to connect to nearby best-available said MRA based on signal strength and bandwidth measurement between said NRA and said MRA,

d) said MRA approving connection request by said NRA, and assigning connection bandwidth to said NRA, wherein said MRA becoming mesh router of said NRA (mesh client), and

e) repeating the above steps until total number of both said NRA and said MRA reaching maximal twenty (20), the limitation of group size of said mesh network group.

6. The system as recited in claim 1, wherein said Aircraft Status and Connection Table comprises information on how many aircrafts (both said NRA and said MRA as group members), aircraft identifier (ID) of each said member aircraft, available MRA, available links between said NRA and said MRA, available airports connecting said MRA, in said mesh network group.

7. The system as recited in claim 1, wherein said mesh network group is defined as a dynamic group consisting of maximal twenty (20) member aircrafts of both said NRA and said MRA with acceptable connections between said NRA and said MRA as well as between said MRA and said airport, based on signal strength and bandwidth measurement, wherein, at least one MRA is needed for said mesh network group.

8. The system as recited in claim 1, wherein said NRA connects to said Ground Cell or said airport in three modes:

a) said MRA-NRA mode, with said MRA as mesh router and said NRA as mesh client, wherein multiple said NRAs connecting to one said MRA, and said MRA connecting to said airport as said mesh gateway,

b) said Relay+ATG mode, with said NRA unable to connect to available said MRA, but to connect to next available said NRA for hop-by-hop relay connection before the last-hop of said NRA connecting to available said MRA, and in addition, said NRA connecting to available said Ground Cell through said ATG link, and

c) said ATG Handover mode, with said NRA as moving ATG client and said Ground Cell as ATG gateway, wherein said NRA connecting to said Ground Networks through on-scheduled airborne mobile handover across multiple said Ground Cells during handover process.

9. The system as recited in claim 8, wherein the connection percentage of said MRA-NRA mode, said Relay+ATG mode and said ATG Handover mode for each said NRA depends on the calculation of signal strength, bandwidth measurement and cost effectiveness for each mode, and wherein the default priority order from high to low is said MRA-NRA mode, said Relay+ATG mode and said ATG Handover mode, but said priority order is reconfigurable and updated by said NRA.

10. The system as recited in claim 1, wherein each said NRA and each said MRA are equipped with OWA.Air Transceiver supporting up to 20 said OWA connections for connections between said NRA and said MRA, between said MRA and said airport and between said NRA and said Ground Cell, and said Ground Cell and said airport are equipped with OWA.Ground Transceiver supporting multiple said OWA connections to connect said NRA and said MRA.

11. The system as recited in claim 8, wherein said on-scheduled airborne mobile handover is based on the scheduled navigation route information of each aircraft as well as the scheduled and updated aircrafts'"'"' distribution map of instant service areas for said mesh network group.

12. The system as recited in claim 1, wherein each connection of said OWA connections is based on calculation of signal strength and bandwidth measurement as well as cost effectiveness, especially for transmission energy efficiency in aircrafts.

13. The system as recited in claim 1, wherein in case said Ground Cell is at the top of mountain, said OWA connections are also utilized to connect said Ground Cell at the top of mountain with said Ground Cell on ground wirelessly to tremendously reduce connection cost between mountain top and ground.

14. The system as recited in claim 1, wherein said NRA or said MRA has on-board cache server to save web pages or other Internet contents locally in said NRA or said MRA for all in-flight users and operation of said mesh network group, and wherein if none of nearby said MRA and said ATG link are found in said mesh network group, said NRA utilizes cached in-flight data in said cache server to continue providing the best-of-effort Internet services for said in-flight users, until next said MRA or next said ATG link is found.

15. The system as recited in claim 1, wherein said mesh network group is a dynamic networking group with frequently updated group members of said NRA and said MRA adaptively reconfigured by parameters of number of member aircrafts, number of said MRAs, number of said ATG links, signal strength and bandwidth measurement of each link of said OWA connections in said mesh network group.

16. The system as recited in claim 8, wherein said MRA-NRA mode also applies to high mountain cell tower (called Mountain Cell) connected to said ground networks, wherein said NRA passing by said Mountain Cell with strong signal strength and enough connection bandwidth immediately becomes said MRA, as said mesh router, to connect with other said NRA(s), as said mesh client(s), and said MRA turns back to said NRA after being away from said Mountain Cell with unacceptable signal strength and connection bandwidth.

17. An airborne mesh networking method based on Open Wireless Architecture (OWA), said method comprising:

a) organizing a dynamic mesh group of maximal twenty (20) aircrafts including Mesh Router Aircraft (MRA) and Non-Router Aircraft (NRA), wherein all of group member aircrafts are changeable and reconfigurable when said mesh group moves across different service areas,

b) searching said MRA as mesh router connecting to a nearby airport (mesh gateway) when said MRA is close to said airport before landing, after takeoff or passing-by, and if found, connecting said MRA with requested said NRA in MRA-NRA mode,

c) searching ATG link connecting to a ground cell (ATG gateway), and if found, connecting said NRA with said ground cell and continuing said ATG link when said NRA moving across different areas covered by multiple said ground cells with airborne mobile handover protocol in ATG Handover mode,

d) connecting said NRA with next said NRA and so on through hop-by-hop relay connection until said MRA is found for connecting said NRA or until said ATG link is found for connecting said NRA, and

e) reconfiguring said group member aircrafts of said mesh group while moving in the sky to ensure at least one said MRA or one said ATG link available in said mesh group.

18. The system as recited in claim 17, wherein said NRA connects to ground networks in the combined modes of said MRA-NRA mode and said ATG Handover mode whenever either one is available or both are available.

19. The system as recited in claim 17, wherein all acceptable connections between said NRA and said MRA, between said NRA and other said NRA, between said MRA and said airport and between said NRA and said ground cell are determined by calculating signal strength and bandwidth measurement of each wireless connection.

20. The system as recited in claim 17, wherein said airborne mobile handover protocol is based on preloaded aircraft navigation route information as well as calculated signal strength and bandwidth measurement of each wireless connection during the course of airborne mobile handover.