RECEIVER SYSTEM, METHOD FOR ARRANGING THE RECEIVER SYSTEM AND POSITIONING SYSTEM COMPRISING THE RECEIVER SYSTEM

• US 20110306370A1
• Filed: 02/10/2011
• Published: 12/15/2011
• Est. Priority Date: 06/09/2010
• Status: Abandoned Application

• Current Assignee: NEC Company Limited
• Original Assignee: NEC Company Limited
• Inventors: ZHAO, Junhui, SUGIYAMA, Takahiro
• Application Number:
  US13/024,976
• Publication Number:
  US 20110306370A1
• Time in Patent Office: Days
• US Class Current: 455/500
• CPC Class Codes: G01S 11/16 using difference in transit time between electrical and acoustic signals
• CPC Class Codes: G01S 5/18 using ultrasonic, sonic, or infrasonic waves
• CPC Class Codes: G01S 5/186 Determination of attitude using inertial means G01C9/00; control of attitude G05D1/49
• CPC Class Codes: G01S 5/30 Determining absolute distances from a plurality of spaced points of known location

Abstract

The present application discloses a receiver system for positioning, a method for arranging the receiver system, and a positioning system comprising the receiver system. The receiver system may comprise a group of nodes, the group of nodes comprising receive nodes for receiving a ranging signal. In this group of nodes, the receive nodes may be arranged according to a predetermined mode. Further, the group of nodes may comprise a reference node, and locations of other receive nodes within this group of nodes may be determined based on information on the predetermined mode and location of the reference node. With the present invention, the receiver system may have a more flexible structure, which may be better adapted to complex situations in practical application. At the same time, the calibration workload in a complex application situation can be significantly reduced.

Claims

1. A receiver system for positioning, comprising:

a group of nodes, comprising receive nodes for receiving a ranging signal,

in the group of nodes, the receive nodes being arranged in a predetermined mode, and the group of nodes comprising a reference node, wherein locations of other receive nodes within the group of nodes can be determined based on information on the predetermined mode and the location of the reference node.

2. The receiver system according to claim 1, wherein the receive nodes are arranged in a straight line at a predetermined interval.

3. The receiver system according to claim 2, wherein the reference node is determined as one of the receive nodes, and locations of the other receive nodes are determined based on a direction of the straight line, the predetermined interval, coordinates of the reference node, and its order in the group of receive nodes.

4. The receiver system according to claim 2, wherein the reference node is determined to be two receive nodes among the receive nodes, and locations of the other receive nodes are determined based on a direction of the straight line, the predetermined interval, coordinates of one of the two receive nodes and its order in the group of receive nodes, wherein a direction of the straight line is determined based on coordinates of the two receive nodes.

5. The receiver system according to claim 4, wherein the two receive nodes are a head receive node and a tail receive node among the receive nodes.

6. The receiver system according to claim 1, wherein the receive nodes are arranged in conformity with a circle at a predetermined interval, and wherein the reference node is determined as one of the receive nodes, and locations of the other receive nodes are determined based on a center of the circle, a radius of the circle, the predetermined interval, and the coordinates of the reference node.

7. The receiver system according to claim 1, wherein at least one of the receive nodes is a sync node further configured to receive a sync signal for synchronizing the receive nodes.

8. The receiver system according to claim 1, wherein the receiver system comprises a plurality of groups of nodes, and wherein at least one group of nodes is configured to be located in a different plane from other groups of nodes.

9. The receiver system according to claim 8, wherein receiver nodes in the plurality of the group of nodes are connected into a node chain through cables.

10. The receiver system according to claim 9, wherein the receive nodes are connected in a straight line, a W-line or a combination thereof.

11. A method for arranging a receiver system, comprising:

arranging receive nodes of the receiver system by a group of nodes according to a feature of a surface to be arranged; and

arranging the receive nodes within the group of nodes in a predetermined mode;

wherein the group of nodes may comprise a reference node, and locations of other receive nodes within the group of nodes may be determined based on information on the predetermined mode and location of the reference node.

12. The method according to claim 11, wherein arranging the receive nodes in a predetermined mode comprises arranging the receive nodes in a straight line at a predetermined interval.

13. The method according to claim 12, wherein the reference node is determined as one of the receive nodes, and locations of the other receive nodes are determined based on a direction of the straight line, the predetermined interval, coordinates of the reference node, and its order in the group of receive nodes.

14. The method according to claim 12, wherein the reference node is determined to be two receive nodes among the receive nodes, and locations of the other receive nodes are determined based on a direction of the straight line, the predetermined interval, coordinates of one of the two receive nodes and its order in the group of receive nodes, wherein a direction of the straight line is determined based on coordinates of the two receive nodes.

15. The method according to claim 14, wherein the two receive nodes are a head receive node and a tail receive node among the receive nodes.

16. The method according to claim 11, wherein arranging the receive nodes in a predetermined mode comprises:

arranging the receive nodes in conformity with a circle at a predetermined interval, and wherein the reference node is determined to be one of the receive nodes, and locations of the other receive nodes are determined based on a center of the circle, a radius of the circle, the predetermined interval, and the coordinates of the reference node.

17. The method according to claim 11, wherein at least one of the receive nodes is a sync node further configured to receive a sync signal for synchronizing the receive nodes.

18. The method according to claim 11, wherein the receiver system is arranged by a plurality of the groups of nodes, and wherein at least one group of nodes is configured to be located in a different plane from other groups of nodes.

19. The method according to claim 18, further comprising:

connecting the receive nodes within the plurality of groups of nodes into a node chain via cables.

20. The method according to claim 19, wherein the plurality of receive nodes are connected in a straight line, a W-line or a combination thereof.