Position optimization

• US 8,626,189 B2
• Filed: 12/06/2011
• Issued: 01/07/2014
• Est. Priority Date: 12/06/2011
• Status: Expired due to Fees

• Current Assignee: Raytheon Company (Rtx Corporation)
• Original Assignee: Raytheon Company (Rtx Corporation)
• Inventors: Silny, John F., Skidmore, Mark R.
• Primary Examiner(s): Ngo, Chuong A
• Application Number:
  US13/312,122
• Publication Number:
  US 20130143591A1
• Time in Patent Office: 763 Days
• Field of Search: 4554561-457, 701/412, 701468-470, 342450-465
• US Class Current: 455/456.1
• CPC Class Codes: G01S 5/0072 Transmission between mobile stations, e.g. anti-collision systems
• CPC Class Codes: G01S 5/0289 of multiple transceivers, e.g. in ad hoc networks

Abstract

Described are computer-based methods and apparatuses, including computer program products, for position determination. In some examples, the method includes receiving, by a device, position information from at least one other device. The method further includes modifying, by the device, an initial position based on the position information from the at least one other device to form a refined position. The method further includes transmitting, by the device, the refined position to the at least one other device. The method further includes revising, by the device, the refined position based on refined position information received from the at least one other device to form a final position.

Claims

1. A position optimization system, the system comprising:

a first device, the first device comprising;

a first position determination module configured to determine position information associated with the first device,

a first communication module configured to transmit the position information associated with the first device, transmit optimized position information associated with the first device, receive position information associated with the second device, and receive optimized position information associated with the second device, and

a first position optimization module configured to automatically and iteratively optimize the position information associated with the first device based on the position information associated with the second device and the optimized position information associated with the second device; and

a second device, the second device comprising;

a second position determination module configured to determine the position information associated with the second device,

a second communication module configured to transmit the position information associated with the second device, transmit the optimized position information associated with the second device, receive the position information associated with the first device, and receive the optimized position information associated with the first device, and

a second position optimization module configured to automatically and iteratively optimize the position information associated with the second device based on the position information associated with the first device and the optimized position information associated with the first device.

2. The system of claim 1, further comprising:

a plurality of other devices, each of the plurality of other devices comprising;

a position optimization module configured to automatically and iteratively optimize a position information based on received position information and received optimized position information, wherein the received position information and the received optimized position information received from the first device, the second device, the plurality of other devices, or any combination thereof.

3. The system of claim 1, wherein the optimized position information associated with the first device comprises optimized position locations of the first device and the second device and the optimized position information associated with the second device comprises optimized second position locations of the first device and the second device.

4. The system of claim 1, wherein the first position optimization module further configured to automatically and iteratively optimize the position information associated with the first device based on a plurality of optimized position information, the plurality of optimized position information received from a plurality of devices;

and

wherein the second position optimization module further configured to automatically and iteratively optimize the position information associated with the second device based on the plurality of optimized position information.

5. The system of claim 1, wherein the first device is a first mobile device and the second device is a second mobile device.

6. A method for optimizing a position determination, the method comprising:

(a) receiving, by a device, position information from at least one other device;

(b) modifying, by the device, an initial position based on the position information from the at least one other device to form a refined position;

(c) transmitting, by the device, the refined position to the at least one other device;

(d) revising, by the device, the refined position based on refined position information received from the at least one other device to form a final position;

(e) determining, by the device, if the refined position is less than a position tolerance; and

(f) repeating, by the device, steps (c), (d), and (e) based on the determination in step (e).

7. The method of claim 6, further comprising:

(a-2) receiving, by a second device, additional position information from the at least one other device or the first device;

(b-2) modifying, by the second device, an initial position of the second device based on the additional position information from the at least one other device or the first device to form a refined position of the second device;

(c-2) transmitting, by the second device, the refined position of the second device to the other plurality of devices or the first device; and

(d-2) revising, by the second device, the refined position based on additional refined position information received from the at least one other device or the first device to form a final position.

8. The method of claim 7, further comprising:

separating, by the device, the modifying steps (b) and (b-2) and the revising steps (d) (d-2) based on resource availability of a plurality of device; and

transmitting, by the device, the separation of the modifying steps and the revising steps to the plurality of devices.

9. The method of claim 8, wherein the resource availability comprises processor availability, memory availability, network availability, power availability, or any combination thereof.

10. The method of claim 6, wherein the position information comprises a position of the at least one other device, a range between the at least one other device and the device, a directional vector between the at least one other device and the device, or any combination thereof.