CA2602382A1 - Method and system for configurable qualification and registration in a fixed network automated meter reading system - Google Patents

Method and system for configurable qualification and registration in a fixed network automated meter reading system Download PDF

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Publication number
CA2602382A1
CA2602382A1 CA002602382A CA2602382A CA2602382A1 CA 2602382 A1 CA2602382 A1 CA 2602382A1 CA 002602382 A CA002602382 A CA 002602382A CA 2602382 A CA2602382 A CA 2602382A CA 2602382 A1 CA2602382 A1 CA 2602382A1
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Prior art keywords
node
nodes
level
wireless communication
recited
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Granted
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CA002602382A
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French (fr)
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CA2602382C (en
Inventor
Andrew J. Borleske
Robert T. Mason, Jr.
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Elster Solutions LLC
Original Assignee
Elster Electricity Llc
Andrew J. Borleske
Robert T. Mason, Jr.
Elster Solutions, Llc
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Application filed by Elster Electricity Llc, Andrew J. Borleske, Robert T. Mason, Jr., Elster Solutions, Llc filed Critical Elster Electricity Llc
Publication of CA2602382A1 publication Critical patent/CA2602382A1/en
Application granted granted Critical
Publication of CA2602382C publication Critical patent/CA2602382C/en
Expired - Fee Related legal-status Critical Current
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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/60—Arrangements in telecontrol or telemetry systems for transmitting utility meters data, i.e. transmission of data from the reader of the utility meter
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/18—Self-organising networks, e.g. ad-hoc networks or sensor networks

Abstract

A dynamic self-configuring system for collecting metering data comprises a collector meter (116). The collector transmits instructions to the level one meters to scan for meters that are operable to directly communicate with the level one meters. The collector registers meters that respond as level two meters. A qualification threshold used in the registration process is adjustable.

Claims (55)

What is Claimed is:
1. ~A method of establishing a wireless communication network among a plurality of nodes, comprising the following steps performed at one of the plurality of nodes:

(a) identifying other nodes that are capable of communicating with said one node, the other nodes defining a subset of said plurality of nodes;

(b) for each node in the subset, determining whether two-way communications between that node and said one node satisfy a qualification threshold, and if so, identifying that node as one for which two-way communications with said one node can be performed;

(c) storing information about each of the nodes identified in step (b), said identified nodes comprising a level of said wireless communication network;
and (d) adjusting the qualification threshold and repeating steps (a) through (c) using the adjusted qualification threshold.
2. ~The method recited in claim 1, wherein the qualification threshold represents an acceptable percentage of successful communications between nodes.
3. ~The method recited in claim 1, wherein step (b) comprises, for each node in the subset:

(i) transmitting a predetermined number of messages to the node, the node being expected to transmit a response for each of said transmitted messages;
(ii) receiving a number of responses from the node;
(iii) comparing the number of responses received from the node to a predetermined threshold value, the predetermined threshold value defining said qualification threshold; and (iv) if the number of responses received from the node satisfies the predetermined threshold value, identifying the node as one for which two-way communications with said one node can be performed.
4. ~The method recited in claim 3, further comprising adjusting the predetermined number of messages transmitted to each node of the subset.
qualification threshold based on a characteristic of said plurality of nodes.
6. ~The method recited in claim 5, wherein said characteristic of said plurality of nodes may comprise one of (i) a density of said plurality of nodes in a selected geographic area, (ii) a signal strength with which the nodes can transmit, (iii) a measure of the importance of data being transmitted by each node, and (iv) an identification of different types of nodes in the wireless communication network.
7. ~The method recited in claim 1, wherein step (a) comprises:
broadcasting a message requesting other nodes that receive the broadcast message to transmit a response; and identifying any nodes from which a response to the broadcast message is received, those nodes defining said subset of nodes.
8. ~The method recited in claim 1, wherein steps (a) through (c) are performed at a first node that defines a collector of said wireless communication network, and wherein the nodes identified in step (b) comprise a first level of said wireless communication network.
9. ~The method recited in claim 8, further comprising performing steps (a) through (c) at each node of the first level, the nodes identified in step (b) from each first level node together comprising a second level of said wireless communication network.
10. ~The method recited in claim 9, wherein for each second level node, a single communication path is established between the second level node and the collector through a first level node from which the second level node was identified in step (b), and wherein that first level node serves as a repeater for two-way communications between the second level node and the collector.
11. ~The method recited in claim 9, further comprising:
performing steps (a) through (c) at each node of the second level, the nodes identified in step (b) from each second level node together comprising a next level of said wireless communication network; and communication network until a predetermined number of levels of said wireless communication network are established.
12. ~The method recited in claim 11, wherein a respective communication path is established between the collector and each node at each level of the wireless communication network.
13. ~The method recited in claim 11, wherein step (d) is performed at the collector and then also at each node of each successive level of the wireless communication network to create a new network using the adjusted qualification threshold.
14. ~The method recited in claim 13, wherein information concerning the communication paths from the collector to each node is saved at the collector prior to performing step (d).
15. ~The method recited in claim 1, wherein each of said plurality of nodes comprises a meter for measuring the consumption of a resource.
16. ~The method recited in claim 15, wherein said resource comprises one of electricity, gas, and water.
17. ~A method of establishing a wireless communication network among a plurality of nodes, comprising the following steps performed at one of the plurality of nodes:

(a) ~identifying other nodes that are capable of communicating with said one node, said other nodes defining a subset of said plurality of nodes;
(b) ~for each node in the subset, (i) ~transmitting a predetermined number of messages to the node, the node being expected to transmit a response for each of said transmitted messages;
(ii) ~receiving a number of responses from the node;
(iii) ~comparing the number of responses received from the node to a predetermined threshold value; and predetermined threshold value, identifying the node as one for which two-way communications with said one node can be performed;

(c) storing information about each of the nodes identified in step (b)(iv), said identified nodes comprising a level of said wireless communication network;
and (d) adjusting the predetermined threshold value and repeating steps (a) through (c) using the adjusted threshold value.
18. ~The method recited in claim 17, wherein step (d) comprises adjusting the predetermined threshold value based on a characteristic of said plurality of nodes.
19. ~The method recited in claim 18, wherein said characteristic of said plurality of nodes may comprise one of (i) a density of said plurality of nodes in a selected geographic area, (ii) a signal strength with which the nodes can transmit, (iii) a measure of the importance of data being transmitted by each node, and (iv) an identification of different types of nodes in the wireless communication network.
20. ~The method recited in claim 17, further comprising adjusting the predetermined number of messages transmitted to each node of the subset.
21. ~The method recited in claim 17, wherein step (a) comprises:
broadcasting a message requesting other nodes that receive the broadcast message to transmit a response; and identifying any nodes from which a response to the broadcast message is received, those nodes defining said subset of nodes.
22. ~The method recited in claim 17, wherein steps (a) through (c) are performed at a first node that defines a collector of said wireless communication network, and wherein the nodes identified in step (b)(iv) comprise a first level of said wireless communication network, said method further comprising performing steps (a) through (c) at each node of the first level, the nodes identified in step (b)(iv) from each first level node together comprising a second level of said wireless communication network.
32 single coininunication path is established between the second level node and the collector through a first level node from which the second level node was identified in step (b)(iv), and wherein that first level node serves as a repeater for two-way communications between the second level node and the collector.
24. The method recited in claim 22, further comprising:
performing steps (a) through (c) at each node of the second level, the nodes identified in step (b)(iv) from each second level node together comprising a next level of said wireless communication networlc; and repeating steps (a) through (c) at successive next levels of the wireless communication networlc until a predetennined number of levels of said wireless communication networlc are established.
25. The method recited in claim 24, wherein a respective communication path is established between the collector and each node at each level of the wireless communication network.
26. A device comprising:
a memory;

wireless cominunication electronics for transmitting and receiving messages;
and a processor that executes instructions that enable said device to establish at least a portion of a wireless cominunication network among a plurality of devices, the instructions, when executed by the processor, causing said device to:
(a) identify other devices that are capable of communicating with said device, the other devices defining a subset of said plurality of devices;

(b) for each device in the subset, determine whether two-way cominunications between that device and said device satisfy a qualification threshold, and if so, identify that device as one for which two-way cominunications with said device can be performed;
(c) store information about each of the devices identified in step (b) in said memory, said identified devices comprising a level of the wireless communication networlc; and adjusted qualification threshold.
27. The device recited in claim 26, wherein the qualification threshold represents an acceptable percentage of successfiil communications between devices.
28. The device recited in claim 26, wherein said device detennines whether two-way communications with another device satisfy the qualification threshold by:
(i) transmitting a predetermined number of messages to the other device, the other device being expected to transmit a response for each of said transmitted messages;
(ii) receiving a number of responses from the other device;
(iii) coinparing the number of responses received from the other device to a predetermined threshold value, the predetermined threshold value defining said qualification threshold; and (iv) if the number of responses received from the other device satisfies the predetermined threshold value, identifying the other device as one for which two-way communications with said device can be performed.
29. The device recited in claim 28, wherein said device is further operable to adjust the predetennined number of messages transmitted from the said device to the other device.
30. The device recited in claim 26, wherein said device adjusts the qualification tllreshold and repeats steps (a) through (c) in response to a command received from a server with which said device communicates.
31. The device recited in claim 26, wherein the qualification threshold is adjusted based on a characteristic of said plurality of devices.
32. The device recited in claim 31, wherein said characteristic of said plurality of devices may comprise one of (i) a density of said plurality of devices in a selected geographic area, (ii) a signal strength with which the devices can transmit, (iii) a measure of the iinportance of data being transmitted by each device, and (iv) an identification of different types of devices in the wireless communication networlc.
33. The device recited in claim 26, wherein said device identifies other devices that are capable of communicating with said device by:
broadcasting a message requesting other devices that receive the broadcast message to transmit a response; and identifying any devices from which a response to the broadcast message is received, those devices defining said subset of devices.
34. The device recited in claim 26, wherein said device coinprises a collector that cominunicates with other device in the wireless communication network to obtain data from those other devices and to store that data in the memory of said device.
35. The device recited in claim 26, wherein said device comprises a meter for measuring the consumption of a resource.
36. The device recited in claim 35, wherein said resource comprises one of electricity, gas, and water.
37. The device recited in claim 26, wherein said device comprises one of a meter, an in-home display, an in-home thermostat, and a load control device.
38. A processor-readable medium having stored thereon instructions for establishing a wireless communication networlc among a plurality of nodes, the instructions, when executed by a processor at one of the plurality of nodes, causing the processor at said one node to:

(a) identify other nodes that are capable of coinmunicating with said one node, the other nodes defining a subset of said plurality of nodes;

(b) for each node in the subset, determine whether two-way conununications between that node and said one node satisfy a qualification threshold, and if so, identify that node as one for which two-way communications with said one node can be performed;

(c) store information about each of the nodes identified in step (b), said identified nodes comprising a level of said wireless comn7unication networlc; and adjusted qualification threshold.
39. The processor-readable medium recited in claim 38, wherein the qualification threshold represents an acceptable percentage of successfiil communications between nodes.
40. The processor-readable medium recited in claim 38, wherein the instruction cause the processor to perform step (b) for each node in the subset by:
(i) transmitting a predetermined number of messages to the node, the node being expected to transmit a response for each of said transmitted messages;
(ii) receiving a number of responses from the node;
(iii) comparing the number of responses received from the node to a predetennined threshold value, the predetermined threshold value defining said qualification threshold; and (iv) if the number of responses received from the node satisfies the predetermined threshold value, identifying the node as one for which two-way communications with said one node can be perfonned.
41. The processor-readable medium recited in claim 40, further comprising instruction that cause the processor to adjust the predetermined number of messages transmitted to each node of the subset.
42. The processor-readable medium recited in claim 38, wlierein the instructions that cause the processor to adjust the qualification threshold and repeat steps (a) through (c) are performed in response to a coinmand received from a server with which said one node can communicate.
43. The processor-readable medium recited in claim 38, wherein the qualification threshold is adjusted based on a characteristic of said plurality of nodes.
44. The processor-readable medium recited in claim 43, wherein said characteristic of said plurality of nodes may comprise one of (i) a density of said plurality of nodes in a selected geographic area, (ii) a signal strength with which the node, and (iv) an identification of different types of nodes in the wireless communication networlc.
45. The processor-readable medium recited in claim 38, wherein the instructions cause the processor to perform step (a) by:
broadcasting a message requesting other nodes that receive the broadcast message to transmit a response; and identifying any nodes from which a response to the broadcast message is received, those nodes defining said subset of nodes.
46. In a wireless communication networlc comprising a plurality of nodes, wherein one node defines a collector of the networlc which communicates with each of a subset of nodes defining a first level of the networlc, and wherein each node of the first level fiirther communicates with another subset of nodes different from said first level and from the nodes that coinmunicate with other first level nodes, all the nodes that communicate with a respective first level node defining a second level of the network, and wherein each second level node communicates with the collector through its respective first level node, and fiirther wherein the network is established by a process comprising:
(a) identifying from the collector other nodes that are capable of communicating with the collector;
(b) for each node identified in step (a), determining from the collector whether two-way communications between that node and the collector satisfy a qualification threshold, and if so, identifying that node as one for which two-way communications with the collector can be perforined;
(c) storing information about each of the nodes identified in step (b), said identified nodes comprising the first level of the wireless communication networlc; and (d) instructing each first level node to perform steps (a) through (c) from the first level node, the nodes identified in step (b) from each first level node together comprising the second level of said wireless coinmunication networlc, a method comprising:

steps (a) through (c) using the adjusted qualification threshold to establish a new first level of nodes, and (ii) instructing each first level node to re-perform steps (a) though (c) from the first level node using the adjusted qualification threshold to establish a new second level of the networlc.
47. The method recited in claim 46, wherein the qualification threshold represents an acceptable percentage of successftil communications between nodes.
48. The method recited in claim 1, wherein step (b) comprises, for each node identified in step (a):

(i) transmitting a predetermined number of messages to the node, the node being expected to transmit a response for each of said transmitted messages;
(ii) receiving a number of responses from the node;
(iii) comparing the number of responses received from the node to a predetermined threshold value, the predetermined threshold value defining said qualification threshold; and (iv) if the number of responses received from the node satisfies the predetermined threshold value, identifying the node as one for which two-way cominunications can be performed.
49. The method recited in claim 48, further comprising adjusting the predetennined number of messages transmitted to each node.
50. The method recited in claim 46, wherein the qualification threshold is adjusted in steps (i) and (ii) based on a characteristic of said plurality of nodes.
51. The method recited in claim 50, wherein said characteristic of said plurality of nodes may comprise one of (i) a density of said plurality of nodes in a selected geographic area, (ii) a signal strength with which the nodes can transmit, (iii) a measure of the importance of data being transmitted by each node, and (iv) an identification of different types of nodes in the wireless commtulication networlc.
38 broadcasting a message requesting other nodes that receive the broadcast message to transmit a response; and identifying any nodes from which a response to the broadcast message is received.
53. The method recited in claim 46, further comprising saving information identifying the communication paths from the collector to each node prior to perfonning steps (i) and (ii).
54. The method recited in claim 46, wherein each of said plurality of nodes comprises a meter for measuring the consumption of a resource.
55. The method recited in claim 15, wherein said resource comprises one of electricity, gas, and water.
CA2602382A 2004-04-26 2005-04-21 Method and system for configurable qualification and registration in a fixed network automated meter reading system Expired - Fee Related CA2602382C (en)

Applications Claiming Priority (3)

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US10/831,903 2004-04-26
US10/831,903 US7187906B2 (en) 2004-04-26 2004-04-26 Method and system for configurable qualification and registration in a fixed network automated meter reading system
PCT/US2005/013702 WO2005107280A2 (en) 2004-04-26 2005-04-21 Method and system for configurable qualification and registration in a fixed network automated meter reading system

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CA2602382A1 true CA2602382A1 (en) 2005-11-10
CA2602382C CA2602382C (en) 2012-11-13

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US (1) US7187906B2 (en)
EP (1) EP1747618A4 (en)
AU (1) AU2005239592B2 (en)
CA (1) CA2602382C (en)
MX (1) MXPA06012373A (en)
NZ (1) NZ551083A (en)
WO (1) WO2005107280A2 (en)

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